TPU foaming particle production equipment

Abstract

The utility model relates to the technical field of TPU (thermoplastic polyurethane) foaming particle production, in particular to TPU foaming particle production equipment, which comprises a reaction kettle body and a screw extruder body, the reaction kettle body is fixed on the screw extruder body, a stirring rod is rotatably inserted on the reaction kettle body, a discharge pipe is fixedly mounted at one end of the screw extruder body, and the discharge pipe is fixed on the screw extruder body. A transverse installation strip block and a vertical connecting block are fixedly installed at one end of the screw extruder body, a synchronous lateral clamping assembly is installed in a limiting sliding groove, a discharging mold is installed on the synchronous lateral clamping assembly, and a linkage type lifting control assembly is installed on the vertical connecting block. According to the reaction kettle disclosed by the utility model, materials in the reaction kettle body can be stirred more uniformly, the production quality of TPU foaming particles is effectively improved, meanwhile, the convenience of dismounting and mounting the discharging mold is effectively improved, discharging molds with different mesh sizes can be conveniently replaced for use, the TPU foaming particles with different particle sizes can be produced and manufactured, and the production efficiency is improved. And the use flexibility is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU foaming particle production, in particular to a TPU foaming particle production device. Background Art

[0002] TPU foam particles, the full name of which is thermoplastic polyurethane foam particles, are a new type of polymer material. During production, TPU particles and foaming agents are placed in a mixer for stirring to make them evenly mixed, and the mixed materials are put into an injection molding machine, heated to a specific temperature to melt them, and the molten TPU material is injected into the mold through the injection molding machine's feed screw, and the material is cut into granules, and the material is heated or pressurized to expand to form a pore structure, and finally TPU foam particles are obtained, which have excellent physical properties and are widely used in packaging materials, household goods and other fields. However, during the production of existing TPU foam particles, the mold is usually fixed to the discharge end of the injection molding machine by bolts, which is inconvenient to disassemble and assemble. When the molten TPU material passes through the mold, it can only form particles of a single particle size after pelletizing, which is not flexible enough to use and has certain disadvantages during use.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] In order to overcome the technical defects of the prior art, the utility model provides a TPU foam particle production equipment, which effectively improves the convenience of disassembly and assembly of the discharge mold, facilitates the replacement of discharge molds with different mesh sizes for use, and can produce TPU foam particles of different particle sizes, effectively improving the flexibility of use, and at the same time can make the material in the reactor body more evenly stirred, effectively improving the production quality of the TPU foam particles.

[0005] The technical solution adopted by the utility model is: it includes a reactor body and a screw extruder body, the reactor body is fixed on the screw extruder body, the stirring rod is rotatably plugged on the reactor body, the discharge pipe is fixedly installed at one end of the screw extruder body, the transverse mounting bar and the vertical connecting block are fixedly installed at one end of the screw extruder body, a limiting slide groove is provided on the transverse mounting bar, the synchronous lateral clamping assembly is installed in the limiting slide groove, the discharge mold is installed on the synchronous lateral clamping assembly, the discharge mold is in contact with one end of the discharge pipe, the linkage type lifting control assembly is installed on the vertical connecting block, the drive motor and the cutter are installed on the linkage type lifting control assembly, one end of the stirring rod is fixedly connected to the output shaft of the drive motor, and the cutter is located on one side of the discharge mold.

[0006] Preferably, in order to control the servo motor to turn on so that the bidirectional threaded rod can rotate in the limiting slide groove through the rotating joint, the synchronous lateral clamping assembly includes the servo motor and the bidirectional threaded rod, the servo motor is fixed on the inner wall of one end of the limiting slide groove, the bidirectional threaded rod is rotatably installed on the inner wall of the other end of the limiting slide groove through the rotating joint, and one end of the bidirectional threaded rod is fixedly connected to the output shaft of the servo motor.

[0007] Preferably, in order to drive the threaded slider to slide in the limiting slide groove by controlling the rotation of the bidirectional threaded rod, the threaded slider is installed on the bidirectional threaded rod, and the threaded slider is slidably engaged in the limiting slide groove.

[0008] Preferably, in order to drive the two threaded sliders to slide in opposite directions in the limiting slide groove by controlling the rotation of the bidirectional threaded rod, the number of the threaded sliders is two, and the two threaded sliders are respectively located at the opposite thread ends of the bidirectional threaded rod.

[0009] Preferably, in order to drive the serpentine connecting rod to move by controlling the extension and retraction of the lateral push-pull rod, the lateral push-pull rod is fixedly mounted on the two threaded sliders, and the serpentine connecting rod is fixedly mounted on the telescopic end of the lateral push-pull rod.

[0010] Preferably, in order to fix the discharging mold by means of the first positioning clamping plug plate and the second positioning clamping plug plate, the first positioning clamping plug plate and the second positioning clamping plug plate are fixedly installed on one end of the serpentine connecting rod, and the first positioning clamping plug plate and the second positioning clamping plug plate are respectively clamped in the embedding grooves opened at both ends of the discharging mold.

[0011] Preferably, in order to drive the cutter and the Z-shaped lifting plate to move up and down by controlling the extension and retraction of the vertical cylinder, the linkage lifting control assembly includes the mounting top plate and the Z-shaped lifting plate, the mounting top plate is fixed on the top outer wall of the vertical connecting block, the vertical cylinder is fixedly embedded at one end of the mounting top plate, and the cutter and the Z-shaped lifting plate are both fixed at the telescopic end of the vertical cylinder.

[0012] Preferably, in order to drive the drive motor to move up and down through the Z-shaped lifting plate, the drive motor is fixed to one end of the Z-shaped lifting plate, and the Z-shaped lifting plate is slidably engaged in a vertical limiting groove provided on the vertical connecting block.

[0013] The beneficial effects of the utility model are as follows: through the synchronous lateral clamping assembly, the discharging mold can be conveniently clamped and fixed, which effectively improves the convenience of disassembly and assembly of the discharging mold, and is convenient for replacing discharging molds with different mesh sizes for use, and can produce TPU foam particles of different particle sizes, which effectively improves the flexibility of use. At the same time, the cutter and the stirring rod are driven up and down by the linkage lifting control assembly, which can make the material in the reactor body more evenly stirred during the pelletizing process, effectively improving the production quality of the TPU foam particles, and making it more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the linkage type lifting control component of the utility model.

[0016] Figure 3 It is a schematic diagram of the installation structure of the discharging die of the utility model.

[0017] Figure 4 It is a structural schematic diagram of the synchronous lateral clamping assembly of the utility model.

[0018] Figure 5 It is a structural schematic diagram of the discharging die of the utility model.

[0019] Explanation of the accompanying drawings: In the figure: 1, reactor body; 2, screw extruder body; 3, stirring rod; 4, discharge pipe; 5, horizontal mounting bar; 6, vertical connecting block; 7, synchronous lateral clamping assembly; 701, servo motor; 702, bidirectional threaded rod; 703, rotating joint; 704, threaded slider; 705, horizontal push-pull rod; 706, serpentine connecting rod; 707, first positioning clamping plug plate; 708, second positioning clamping plug plate; 8, discharge mold; 9, linkage type lifting control assembly; 901, mounting top plate; 902, Z-type lifting plate; 903, vertical cylinder; 10, driving motor; 11, cutting knife. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] like Figure 1-Figure 5As shown, this embodiment provides a TPU foaming particle production equipment, including a reactor body 1 and a screw extruder body 2, the reactor body 1 is fixed on the screw extruder body 2, so as to transport the material in the reactor body 1 into the screw extruder body 2, the reactor body 1 is rotatably plugged with a stirring rod 3, so as to achieve uniform stirring of the material in the reactor body 1 through the stirring rod 3, a discharge pipe 4 is fixedly installed at one end of the screw extruder body 2, a transverse mounting block 5 and a vertical connecting block 6 are fixedly installed at one end of the screw extruder body 2, a limited position slide groove is provided on the transverse mounting block 5, a synchronous lateral clamping component 7 is installed in the limited position slide groove, a discharge die 8 is installed on the synchronous lateral clamping component 7, and the discharge die 8 is in contact with one end of the discharge pipe 4, so as to make the molten material pass through the discharge pipe 4 and the discharge die 8 for extrusion, and in the synchronous Under the action of the lateral clamping component 7, the discharging mold 8 can be closely fitted with the discharging pipe 4 to avoid the leakage of materials caused by gaps. At the same time, it is convenient to install and disassemble the discharging mold 8, so as to replace the discharging mold 8 with different mesh diameters, which is more convenient for the production of TPU foamed particles with different particle sizes. A linkage type lifting control component 9 is installed on the vertical connecting block 6, and a driving motor 10 and a cutter 11 are installed on the linkage type lifting control component 9. One end of the stirring rod 3 is fixedly connected to the output shaft of the driving motor 10, and the cutter 11 is located on one side of the discharging mold 8. Through the linkage type lifting control component 9, the cutter 11 and the stirring rod 3 are driven up and down to achieve cutting. At the same time, the stirring rod 3 can be moved up and down in the reactor body 1, so that the material in the reactor body 1 is stirred more evenly, so as to improve the production quality of TPU foamed particles.

[0022] The synchronous lateral clamping assembly 7 includes a servo motor 701 and a bidirectional threaded rod 702. The servo motor 701 is fixed on the inner wall of one end of the limiting slide. The bidirectional threaded rod 702 is rotatably installed on the inner wall of the other end of the limiting slide through a rotating joint 703, and one end of the bidirectional threaded rod 702 is fixedly connected to the output shaft of the servo motor 701. A threaded slider 704 is installed on the bidirectional threaded rod 702. The threaded slider 704 is slidably engaged in the limiting slide. There are two threaded sliders 704, and the two threaded sliders 704 are respectively located at the reverse thread ends of the bidirectional threaded rod 702. A transverse push-pull rod 705 is fixedly installed on the two threaded sliders 704. A serpentine connecting rod 706 is fixedly installed on the telescopic end of the transverse push-pull rod 705. A first positioning clamping plug plate 707 and a second positioning clamping plug plate 708 are fixedly installed on one end of the serpentine connecting rod 706. The first positioning clamping plug plate 707 and the second positioning clamping plug plate 708 are fixedly installed on one end of the serpentine connecting rod 706. The plug plate 707 and the second positioning clamping plug plate 708 are respectively clamped in the embedding grooves opened at both ends of the discharge mold 8. When in use, the servo motor 701 is controlled to turn on, so that the bidirectional threaded rod 702 rotates in the limiting slide groove through the rotating joint 703, driving the two threaded sliders 704 to slide in opposite directions in the limiting slide groove, so that the horizontal push-pull rod 705 and the serpentine connecting rod 706 drive the first positioning clamping plug plate 707 and the second positioning clamping plug plate 708 to approach, so that the first positioning clamping plug plate 707 and the second positioning clamping plug plate 708 are clamped in the embedding grooves at both ends of the discharge mold 8, and the discharge mold 8 is clamped and fixed, so as to facilitate the disassembly and assembly of the discharge mold 8, and facilitate the replacement of discharge molds 8 with different apertures for use, and control the horizontal push-pull rod 705, so that the discharge mold 8 and the discharge pipe 4 are tightly fitted to avoid leakage.

[0023] The linkage lifting control component 9 includes an installation top plate 901 and a Z-shaped lifting plate 902. The installation top plate 901 is fixed on the top outer wall of the vertical connecting block 6. A vertical cylinder 903 is fixedly embedded at one end of the installation top plate 901. The cutter 11 and the Z-shaped lifting plate 902 are both fixed at the telescopic end of the vertical cylinder 903. The driving motor 10 is fixed at one end of the Z-shaped lifting plate 902, and the Z-shaped lifting plate 902 is slidably connected to the vertical limit groove provided on the vertical connecting block 6. During use, the vertical cylinder 903 is controlled to be extended and retracted, driving the Z-shaped lifting plate 902 and the cutter 11 to move up and down, so as to drive the stirring rod 3 to move up and down in the reactor body 1 while cutting particles, thereby improving the uniformity of material mixing in the reactor body 1.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

Claims

1. A TPU foamed particle production device, comprising a reactor body (1) and a screw extruder body (2), wherein the reactor body (1) is fixed to the screw extruder body (2), and a stirring rod (3) is rotatably plugged into the reactor body (1), characterized in that: A discharge pipe (4) is fixedly mounted on one end of the screw extruder body (2); a transverse mounting bar (5) and a vertical connecting block (6) are fixedly mounted on one end of the screw extruder body (2); a limit slide groove is provided on the transverse mounting bar (5); a synchronous lateral clamping assembly (7) is installed in the limit slide groove; a discharge die (8) is installed on the synchronous lateral clamping assembly (7); the discharge die (8) is in close contact with one end of the discharge pipe (4); a linkage type lifting control assembly (9) is installed on the vertical connecting block (6); a drive motor (10) and a cutter (11) are installed on the linkage type lifting control assembly (9); one end of the stirring rod (3) is fixedly connected to the output shaft of the drive motor (10); and the cutter (11) is located on one side of the discharge die (8).

2. The TPU foamed particle production equipment according to claim 1, characterized in that: The synchronous lateral clamping assembly (7) comprises a servo motor (701) and a bidirectional threaded rod (702), wherein the servo motor (701) is fixed to the inner wall of one end of the limiting slideway, and the bidirectional threaded rod (702) is rotatably mounted on the inner wall of the other end of the limiting slideway via a rotating joint (703), and one end of the bidirectional threaded rod (702) is fixedly connected to the output shaft of the servo motor (701).

3. The TPU foamed particle production equipment according to claim 2, characterized in that: A threaded slider (704) is mounted on the bidirectional threaded rod (702), and the threaded slider (704) is slidably engaged in the limiting sliding groove.

4. The TPU foamed particle production equipment according to claim 3, characterized in that: There are two threaded sliders (704), and the two threaded sliders (704) are respectively located at the opposite thread ends of the bidirectional threaded rod (702).

5. The TPU foamed particle production equipment according to claim 3, characterized in that: A transverse push-pull rod (705) is fixedly mounted on the two threaded sliders (704), and a serpentine connecting rod (706) is fixedly mounted on the telescopic end of the transverse push-pull rod (705).

6. The TPU foamed particle production equipment according to claim 5, characterized in that: A first positioning clamping plug plate (707) and a second positioning clamping plug plate (708) are fixedly mounted on one end of the serpentine connecting rod (706), and the first positioning clamping plug plate (707) and the second positioning clamping plug plate (708) are respectively clamped in mounting grooves provided at both ends of the discharge mold (8).

7. The TPU foamed particle production equipment according to claim 1, characterized in that: The linkage type lifting control assembly (9) comprises a mounting top plate (901) and a Z-shaped lifting plate (902); the mounting top plate (901) is fixed to the top outer wall of the vertical connection block (6); a vertical cylinder (903) is fixedly embedded at one end of the mounting top plate (901); and the cutting knife (11) and the Z-shaped lifting plate (902) are both fixed to the telescopic end of the vertical cylinder (903).

8. The TPU foamed particle production equipment according to claim 7, characterized in that: The driving motor (10) is fixed to one end of the Z-shaped lifting plate (902), and the Z-shaped lifting plate (902) is slidably engaged in a vertical limiting groove provided on the vertical connecting block (6).

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