Particle cutting device for thermoplastic elastomer particle production

Abstract

The utility model relates to a granulating device for thermoplastic elastomer particle production, which belongs to the technical field of thermoplastic elastomer production equipment and comprises a connecting bottom plate and a protective frame with one rotatable side, and a cooling fan is fixedly mounted at the top of the protective frame. A material guiding device and a ventilation material guiding plate are sequentially arranged at the top of the connecting bottom plate from left to right, a side baffle is fixedly installed at the top of the connecting bottom plate, a positioning assembly used for positioning the material guiding device and the ventilation material guiding plate is arranged at the bottom of the connecting bottom plate, and a U-shaped frame is fixedly installed at the top of the connecting bottom plate. A quick replacement type cutter assembly is connected to the U-shaped frame, a mounting notch is formed in one side of the connecting bottom plate, an inclined material guide plate is fixedly mounted on the inner side wall of the mounting notch, and after the material guide device and the ventilation material guide plate are used for a period of time, a user can relieve positioning of the material guide device and the ventilation material guide plate through a positioning assembly, so that the material guide device and the ventilation material guide plate are convenient to clean; in addition, the cutting device further has the advantage that the cutter can be replaced quickly, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of thermoplastic elastomer production equipment, in particular to a thermoplastic elastomer particle production and pelletizing device. Background Art

[0002] Thermoplastic elastomer, also known as artificial rubber or synthetic rubber, is a kind of rubber that has the excellent properties of high elasticity, aging resistance and oil resistance of traditional cross-linked vulcanized rubber, while also having the characteristics of easy processing and wide processing methods of ordinary plastics.

[0003] The application document with the current application number CN202222829975.8 discloses a pelletizer for thermoplastic elastomer materials, including a base, a processing frame is installed on the top of the base, a rolling component for transmitting thermoplastic elastomer materials is arranged on the top of the base relative to the processing frame, the processing frame is internally equipped with a material guide plate, a plurality of guide holes are equidistantly provided on the side of the material guide plate, and a plurality of ventilation slots are equidistantly provided on the top of the material guide plate, each of the ventilation slots is connected to the guide hole, a fan is installed on the top of the processing frame, a cutting component is arranged inside the processing frame relative to the material guide plate, and the strip-shaped thermoplastic material to be pelletized can be cooled, thereby reducing the occurrence of wire drawing of the strip-shaped thermoplastic material during the pelletizing process, and the design of this structure can reduce the sticking of the strip-shaped thermoplastic material in the material guide plate.

[0004] The above technical solution can cool the strip-shaped thermoplastic material when pelletizing the strip-shaped thermoplastic material, thereby reducing the occurrence of wire drawing and improving product quality. However, when pelletizing the strip-shaped thermoplastic material, the cutting knife wears quickly and needs to be replaced frequently. The above technical solution does not provide a structure for facilitating the replacement of the cutting knife, and the material guide device and the material guide plate on the above technical solution are not easy to remove and clean. Utility Model Content

[0005] In order to overcome the technical defects of the prior art, the utility model provides a thermoplastic elastomer granule production pelletizing device, which has the advantage of easy replacement of the cutting knife, and the material guide device and the ventilation guide plate can also be conveniently removed and cleaned.

[0006] The technical solution adopted by the utility model is: it includes a connecting base plate and a protective frame rotatable on one side, a cooling fan is fixedly installed on the top of the protective frame, a material guide device and a ventilation guide plate are respectively arranged on the top of the connecting base plate from left to right, a side baffle is fixedly installed on the top of the connecting base plate, a positioning assembly for positioning the material guide device and the ventilation guide plate is arranged on the bottom of the connecting base plate, a U-shaped frame is fixedly installed on the top of the connecting base plate, a quick-change cutter assembly is connected to the U-shaped frame, a mounting notch is provided on one side of the connecting base plate, and an inclined material guide plate is fixedly installed on the inner side wall of the mounting notch.

[0007] Preferably, in order to increase the stability of the protection frame through the reinforcing support plate, a reinforcing support plate is fixedly installed on the inner side wall of the protection frame, and the number of the reinforcing support plates is two.

[0008] Preferably, in order to enable the positioning screw to rotate on the rectangular plate, the positioning assembly includes a rectangular plate fixedly mounted on the bottom of the connecting base plate, a side groove is provided on one side of the rectangular plate, and the positioning screw is rotatably mounted on the inner side wall of the side groove.

[0009] Preferably, in order to enable the driving block to drive the linkage support plate to move, the driving block is threadedly connected to the positioning screw, and the driving block is located in the side groove, a linkage support plate is installed on the outer wall of one end of the driving block, and an extrusion positioning plate is installed on one end of the linkage support plate.

[0010] Preferably, in order to drive the elliptical plate to move by the cutting telescopic rod, the quick-change cutter assembly includes a cutting telescopic rod fixedly connected to the top of the U-shaped frame, the bottom of the cutting telescopic rod is connected to the elliptical plate, and the bottom of the elliptical plate is fixedly installed with a fixed positioning plate.

[0011] Preferably, in order to fix the cutting knife through the tool mounting block, a tool mounting block is provided on one side of the fixed positioning plate, a connecting groove is provided on the tool mounting block, and a cutting knife is fixedly installed at the bottom of the tool mounting block.

[0012] Preferably, in order to drive the square sleeve to move by the positioning telescopic rod, a positioning telescopic rod is fixedly connected to the outer wall of the U-shaped frame, a square sleeve is installed on one end of the positioning telescopic rod, an L-shaped movable rod is passed through the square sleeve, and a movable positioning plate is installed on one end of the L-shaped movable rod.

[0013] Preferably, in order to prevent the cutting knife from falling off through the connecting block, connecting blocks are installed on the outer side wall of the movable positioning plate and the outer side wall of the fixed positioning plate, and the connecting blocks are arranged in the connecting groove.

[0014] The beneficial effects of the utility model are:

[0015] The utility model is provided with a quick-change cutter assembly and a positioning assembly, and the material guide device can convey the strip-shaped thermoplastic material into the ventilation guide plate. When one end of the strip-shaped thermoplastic material is discharged from the ventilation guide plate, the strip-shaped thermoplastic material can be cut by the cutting knife on the quick-change cutter assembly. After the material guide device and the ventilation guide plate have been used for a period of time, dust will be attached thereto. At this time, the user can release the positioning of the two by the positioning assembly, so that the two can be cleaned conveniently. The utility model has strong practicality. In addition, the cutting knife on the quick-change cutter assembly is relatively convenient and quick to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the installation of the material guiding device in the utility model.

[0018] Figure 3 It is a schematic diagram of the installation of the cutting knife in the utility model.

[0019] Figure 4 It is a schematic diagram of the explosion at the cutting knife in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the protection frame in the utility model.

[0021] Figure 6 This is a schematic diagram of the installation of the side baffle in the utility model.

[0022] Figure 7 It is a structural schematic diagram of the positioning component in the utility model.

[0023] Explanation of the accompanying drawings: In the figure: 1. Connecting bottom plate; 2. Protective frame; 3. Cooling fan; 4. Material guiding device; 5. Ventilation material guiding plate; 6. Side baffle; 7. Positioning assembly; 701. Rectangular plate; 702. Positioning screw rod; 703. Driving block; 704. Linkage support plate; 705. Extrusion positioning plate; 8. U-shaped frame; 9. Quick-change cutter assembly; 901. Cutting telescopic rod; 902. Oval plate; 903. Fixed positioning plate; 904. Tool mounting block; 905. Cutting knife; 906. Positioning telescopic rod; 907. Square sleeve; 908. L-shaped movable rod; 909. Movable positioning plate; 910. Connecting block; 10. Inclined material guiding plate; 11. Strengthening support plate. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings:

[0025] like Figure 1-Figure 7 As shown, this embodiment provides a thermoplastic elastomer granule production and pelletizing device, including a connecting bottom plate 1 and a protective frame 2 rotatable on one side, a cooling fan 3 is fixedly installed on the top of the protective frame 2, a material guide device 4 and a ventilation material guide plate 5 are respectively arranged on the top of the connecting bottom plate 1 from left to right, the material guide device 4 is a driving motor and a roller component in the reference document, a side baffle 6 is fixedly installed on the top of the connecting bottom plate 1, and the side baffle 6 is located on one side of the material guide device 4 and the ventilation material guide plate 5, so when the extrusion positioning plate 705 moves, the material guide device 4 and the ventilation positioning plate can be fixed. A positioning assembly 7 for positioning the material guide device 4 and the ventilation material guide plate 5 is arranged at the bottom of the connecting bottom plate 1, a U-shaped frame 8 is fixedly installed on the top of the connecting bottom plate 1, and a quick-change cutter assembly 9 is connected to the U-shaped frame 8, and a mounting notch is arranged on one side of the connecting bottom plate 1, and an inclined material guide plate 10 is fixedly installed on the inner side wall of the mounting notch.

[0026] A reinforcing support plate 11 is fixedly installed on the inner wall of the protective frame 2, and the number of the reinforcing support plates 11 is two. One side of the protective frame 2 is rotatable to facilitate the removal of the material guide device 4 and the ventilation guide plate 5. The positioning component 7 includes a rectangular plate 701 fixedly installed on the bottom of the connecting base plate 1, and a side groove is provided on one side of the rectangular plate 701. A positioning screw 702 is rotatably installed on the inner wall of the side groove. A driving block 703 is threadedly connected to the positioning screw 702, and the driving block 703 is located in the side groove. A linkage support plate 704 is installed on the outer wall of one end of the driving block 703, and an extrusion positioning plate 705 is installed on one end of the linkage plate. The positioning screw 702 can move the extrusion positioning plate 705. Since the extrusion positioning plate 705 and the side baffle 6 are respectively located on both sides of the material guide device 4 and the ventilation guide plate 5, and the extrusion positioning plate 705 is movable, the material guide device 4 and the ventilation positioning plate can be fixed by the extrusion positioning plate 705 and the side baffle 6.

[0027] The quick-change cutter assembly 9 includes a cutting telescopic rod 901 fixedly connected to the top of the U-shaped frame 8, an elliptical plate 902 is connected to the bottom of the cutting telescopic rod 901, a fixed positioning plate 903 is fixedly installed at the bottom of the elliptical plate 902, a tool mounting block 904 is provided on one side of the fixed positioning plate 903, a connecting groove is provided on the tool mounting block 904, a cutting knife 905 is fixedly installed at the bottom of the tool mounting block 904, and a positioning telescopic rod 901 is fixedly connected to the outer wall of the U-shaped frame 8. The retractable rod 906 is provided with a square sleeve 907 on one end of the positioning telescopic rod 906, an L-shaped movable rod 908 is passed through the square sleeve 907, a movable positioning plate 909 is provided on one end of the L-shaped movable rod 908, connecting blocks 910 are provided on the outer wall of the movable positioning plate 909 and the outer wall of the fixed positioning plate 903, and the connecting block 910 is provided in the connecting groove, and the cutting telescopic rod 901 is a reciprocating telescopic rod, so it can drive the cutting knife 905 and other components to move back and forth.

[0028] When the utility model is in use, when installing the cutting knife 905, the user can first set the tool mounting block 904 on the top of the cutting knife 905 on one side of the fixed positioning plate 903, and the connecting groove on one side of the tool mounting block 904 needs to be sleeved on the connecting block 910 on one side of the fixed positioning plate 903, and then the user can move the positioning telescopic rod 906, thereby driving the square sleeve 907, the L-shaped movable rod 908 and the movable positioning plate 909 to move. When the movable positioning plate 909 is under the elliptical plate 902, the user can first suspend the positioning telescopic rod 906, and then the user can move the L-shaped movable rod 908 on the square sleeve 907 until one end of the movable positioning plate 909 moves to the bottom of the elliptical plate 902. At this time, the user's hand cannot leave the L-shaped movable rod 908 to prevent the L-shaped movable rod 908 from falling in the square sleeve 907 under the action of gravity, and then the user can use The positioning telescopic rod 906 drives the square sleeve 907, the L-shaped movable rod 908 and the movable positioning plate 909 to move until one side of the movable positioning plate 909 is tightly fitted with one side of the tool mounting block 904, and at this time, the connecting block 910 on one side of the movable positioning plate 909 can be placed in the connecting groove on the other side of the tool mounting block 904. After the operation is completed, the tool mounting block 904 and the cutting knife 905 can be fixed under the extrusion force of the positioning telescopic rod 906. When the cutting knife 905 is disassembled, the user can drive the movable positioning plate 909 to move in the opposite direction of installation by the positioning telescopic rod 906. In addition, after the cutting telescopic rod 901 works, the fixed positioning plate 903, the movable positioning plate 909 and the cutting knife 905 can be lowered, and when the movable positioning plate 909 moves up and down, the L-shaped movable rod 908 can move in the square sleeve 907, so that the positioning telescopic rod 906 does not move therewith, thereby reducing electrical faults caused by reciprocating movement;

[0029] The material guiding device 4 can convey the strip-shaped thermoplastic material to the ventilation guide plate 5, and the cooling fan 3 can cool the strip-shaped thermoplastic material in the ventilation guide plate 5. When one end of the strip-shaped thermoplastic material is discharged from the ventilation guide plate 5, the strip-shaped thermoplastic material can be cut off by the cutting knife 905. After the material guiding device 4 and the ventilation guide plate 5 have been used for a period of time, dust will adhere to them. Therefore, the user can first rotate one side of the protective frame 2, and then the user can rotate the positioning screw rod 702 in place to drive the driving block 703, the linkage support plate 704 and the extrusion positioning plate 705 to move. After the extrusion positioning plate 705 moves, the positioning of the material guiding device 4 and the ventilation guide plate 5 can be released, and the user can remove the two for cleaning.

[0030] The above shows and describes the basic principles, main features and advantages of the invention. Those skilled in the art should understand that the invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the invention. Without departing from the spirit and scope of the invention, the invention may have various changes and improvements, which shall fall within the scope of the invention to be protected. The scope of protection of the invention shall be defined by the attached claims and their equivalents.

Claims

1. A thermoplastic elastomer granule production and pelletizing device, comprising a connecting bottom plate (1) and a protective frame (2) rotatable at one side, a cooling fan (3) fixedly mounted on the top of the protective frame (2), and a material guide device (4) and a ventilation material guide plate (5) arranged on the top of the connecting bottom plate (1) from left to right, characterized in that: A side baffle (6) is fixedly mounted on the top of the connecting base plate (1), a positioning assembly (7) for positioning the material guide device (4) and the ventilation material guide plate (5) is provided at the bottom of the connecting base plate (1), a U-shaped frame (8) is fixedly mounted on the top of the connecting base plate (1), a quick-change cutter assembly (9) is connected to the U-shaped frame (8), a mounting notch is provided on one side of the connecting base plate (1), and an inclined material guide plate (10) is fixedly mounted on the inner side wall of the mounting notch.

2. The thermoplastic elastomer granule production and pelletizing device according to claim 1, characterized in that: A reinforcing support plate (11) is fixedly mounted on the inner side wall of the protection frame (2), and the number of the reinforcing support plates (11) is two.

3. The thermoplastic elastomer granule production and pelletizing device according to claim 1, characterized in that: The positioning assembly (7) comprises a rectangular plate (701) fixedly mounted on the bottom of the connecting base plate (1), a side groove being provided on one side of the rectangular plate (701), and a positioning screw rod (702) being rotatably mounted on the inner side wall of the side groove.

4. The thermoplastic elastomer granule production and pelletizing device according to claim 3, characterized in that: A driving block (703) is threadedly connected to the positioning screw rod (702), and the driving block (703) is located in the side groove. A linkage support plate (704) is installed on the outer side wall of one end of the driving block (703), and an extrusion positioning plate (705) is installed on one end of the linkage support plate (704).

5. The thermoplastic elastomer granule production and pelletizing device according to claim 1, characterized in that: The quick-change cutter assembly (9) comprises a cutting telescopic rod (901) fixedly connected to the top of the U-shaped frame (8), the bottom of the cutting telescopic rod (901) is connected to an elliptical plate (902), and the bottom of the elliptical plate (902) is fixedly mounted with a fixed positioning plate (903).

6. The thermoplastic elastomer granule production and pelletizing device according to claim 5, characterized in that: A tool mounting block (904) is provided on one side of the fixed positioning plate (903), a connecting groove is provided on the tool mounting block (904), and a cutting knife (905) is fixedly mounted on the bottom of the tool mounting block (904).

7. The thermoplastic elastomer granule production and pelletizing device according to claim 6, characterized in that: A positioning telescopic rod (906) is fixedly connected to the outer side wall of the U-shaped frame (8), a square sleeve (907) is installed on one end of the positioning telescopic rod (906), an L-shaped movable rod (908) is inserted into the square sleeve (907), and a movable positioning plate (909) is installed on one end of the L-shaped movable rod (908).

8. The thermoplastic elastomer granule production and pelletizing device according to claim 7, characterized in that: A connection block (910) is installed on the outer side wall of the movable positioning plate (909) and the outer side wall of the fixed positioning plate (903), and the connection block (910) is arranged in the connection groove.

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