Centrifugal rotation forming device for nylon rod

Abstract

The invention relates to the technical field of nylon rods, and discloses a nylon rod centrifugal rotation forming device which comprises a bottom plate, a feeding mechanism is arranged above the bottom plate, a rotating mechanism is arranged on the outer side of the bottom plate, the feeding mechanism comprises a fixing plate, and a first electric telescopic rod is fixedly connected to the front face of the fixing plate; the telescopic end of the first electric telescopic rod is fixedly connected with a feeding hopper, the bottom end of the feeding hopper fixedly communicates with a material storage pipe, the bottom end of the material storage pipe fixedly communicates with a butterfly valve, and the output end of the butterfly valve fixedly communicates with a discharging pipeline. According to the centrifugal rotation forming device for the nylon rod, through mutual cooperation of a first driving motor, a second driving motor, a hydraulic cylinder, a second electric telescopic rod, a fixing column, an upper pressing plate and a lower top plate, a rotating column can drive a plurality of mold pipes to rotate, and the purpose of centrifugal rotation of a plurality of molds is achieved; and the problem that the production and processing efficiency of the nylon bar is low due to the fact that only one nylon bar is processed at a time can be effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of nylon rods, in particular to a centrifugal rotational molding device for nylon rods. Background Art

[0002] Nylon rod is an important engineering plastic that can replace the wear-resistant parts of mechanical equipment and replace copper and alloys as wear-resistant parts of equipment. It has good toughness, strong wear resistance, oil resistance, shock resistance, good tensile and bending strength, low water absorption and good dimensional stability. Therefore, it is used to process various wear-resistant and high-strength parts.

[0003] According to announcement number CN211762942U, a manufacturing device for cast nylon rods is disclosed, including a mold, a bottom pressure device and a top pressure device. The mold is a vertically arranged tubular structure, the top pressure device is arranged above the mold, and the bottom pressure device is arranged below the mold. The bottom pressure device is provided with a telescopic rod that can be telescoped up and down, and a first pressure head at the end of the telescopic rod can abut the bottom end of the mold. The top pressure device is provided with a pressure rod that pressurizes downward, and a second pressure head at the end of the pressure rod can abut the top end of the mold.

[0004] By adopting the above technical scheme, the material liquid can be pressurized as a whole through the pressure rod of the top pressure device, thereby promoting the material liquid to fill the gaps and eliminate the bubbles therein, and due to the pressure, the fine bubbles on the surface of the rod caused by casting can be eliminated, and the surface of the cast nylon rod is smoother. After the material liquid is reacted and formed, the cast nylon rod can be easily taken out by retracting the telescopic rod. The metal pressure head can ensure that the upper part of the rod is flat and can reduce material loss. However, the above technical scheme can only pressurize the material liquid in a single mold through the top pressure device and the bottom pressure device, and can only facilitate the removal of the nylon rod in a single mold by retracting the telescopic rod, and only one nylon rod is processed at a time, resulting in low production and processing efficiency of nylon rods. Summary of the invention

[0005] The object of the present invention is to provide a centrifugal rotational molding device for nylon rods to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a centrifugal rotary molding device for nylon rods, comprising a bottom plate, a feeding mechanism is arranged above the bottom plate, and a rotating mechanism is arranged outside the bottom plate; The feeding mechanism comprises a fixed plate, a first electric telescopic rod is fixedly connected to the front of the fixed plate, a feeding funnel is fixedly connected to the telescopic end of the first electric telescopic rod, a bottom end of the feeding funnel is fixedly connected to a material storage pipe, a bottom end of the material storage pipe is fixedly connected to a butterfly valve, and an output end of the butterfly valve is fixedly connected to a discharge pipe; The rotating mechanism comprises a fixed frame, the inner wall of the fixed frame is fixedly connected with a first bearing, the inner ring of the first bearing is respectively fixedly connected with a first driving motor and a hydraulic cylinder, the output end of the first driving motor is fixedly connected with the top end of the hydraulic cylinder, the telescopic end of the hydraulic cylinder is fixedly connected with a pressing plate, the bottom end of the pressing plate is fixedly connected with two groups of fixed columns, the bottom end of each group of the fixed columns is fixedly connected with two upper pressing plates, the upper surface of the bottom plate is provided with a groove, the bottom surface of the bottom plate is fixedly connected with a supporting frame, the upper surface of the supporting frame is respectively fixedly connected with a second driving motor and a rotating shaft, the top of the rotating shaft is fixedly connected with two groups of second electric telescopic rods, the telescopic end of each group of the second electric telescopic rods is fixedly connected with a lower top plate, the outer surface of the output end of the second driving motor is fixedly connected with a second bearing, the inner ring of the second bearing is fixedly connected with a rotating column, the outer surface of the rotating column is fixedly connected with two groups of mold tubes, the output end of the second driving motor is fixedly connected with the bottom end of the rotating column, the upper surface of the bottom plate is fixedly connected with a protective shell, and the inner wall of the protective shell is fixedly connected with a plurality of identical heating rods.

[0007] Preferably, a first protective shell is fixedly connected to the outer surface of the first electric telescopic rod, and the back surface of the first protective shell is fixedly connected to the front surface of the fixing plate.

[0008] Preferably, two groups of support columns are fixedly connected to the bottom surface of the base plate, and a controller is fixedly connected to the upper surface of the base plate. The controller is electrically connected to the first electric telescopic rod and the butterfly valve respectively through wires.

[0009] Preferably, two reinforcement plates are fixedly connected to the outer surface of the fixing frame, and the bottom surface of each reinforcement plate is fixedly connected to the upper surface of the bottom plate.

[0010] Preferably, the inner wall of each reinforcement plate is threadedly connected with two groups of fixing bolts, and the outer surface of each group of fixing bolts is threadedly connected to the inner wall of the base plate.

[0011] Preferably, a dustproof housing is fixedly connected to the outer surface of the first drive motor, and a bottom surface of the dustproof housing is fixedly connected to the top end of the first bearing.

[0012] Preferably, a protection seat is fixedly connected to the outer surface of the hydraulic cylinder, and the upper surface of the protection seat is fixedly connected to the bottom surface of the fixing frame.

[0013] Preferably, two reinforcement rings are fixedly connected to the outer surface of each group of the fixing columns, and the bottom end of each reinforcement ring is fixedly connected to the top end of the upper pressing plate.

[0014] Preferably, a protection box is fixedly connected to the outer surface of the second drive motor, the bottom surface of the protection box is fixedly connected to the upper surface of the support frame, the outer surface of the support frame is fixedly connected to two reinforcement frames, and the upper surface of each reinforcement frame is fixedly connected to the bottom surface of the base plate.

[0015] Preferably, the outer surface of each group of the second electric telescopic rods is fixedly connected to two second protective shells, the bottom surface of each second protective shell is fixedly connected to the top of the rotating shaft, and the outer surface of the telescopic end of each group of the second electric telescopic rods is fixedly connected to two fixing rings, and the top of each fixing ring is fixedly connected to the bottom end of the lower top plate.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are: The present invention can facilitate the addition of materials to multiple molds by providing a first electric telescopic rod, a feeding funnel, a storage pipe, a butterfly valve and a discharge pipe, thereby achieving the purpose of facilitating feeding and enhancing the use effect of the device. It can effectively avoid the problem that workers manually add materials, which leads to a large amount of labor consumption and low feeding efficiency for the workers. By providing a first drive motor, a second drive motor, a hydraulic cylinder, a second electric telescopic rod, a fixed column, an upper pressure plate and a lower top plate, the rotating column can drive multiple mold tubes to rotate, thereby achieving the purpose of centrifugal rotation of multiple molds, enhancing the applicability of the device, and effectively avoiding the problem of low production and processing efficiency of nylon rods caused by processing only one nylon rod at a time. The protective shell and the heating rod can evenly heat the material in the mold tube, which has a strong heating effect, and can effectively avoid the problem of uneven heating of the material in the mold tube, which leads to poor production quality of nylon rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the centrifugal rotational molding device for nylon rods of the present invention; Figure 2 is a schematic structural diagram of a first driving motor of the present invention; Figure 3 It is a structural schematic diagram of the feed pipeline of the present invention; Figure 4 It is a schematic structural diagram of a pressed plate of the present invention; Figure 5 It is a structural schematic diagram of the hydraulic cylinder of the present invention; Figure 6 It is a schematic structural diagram of the rotating column of the present invention; Figure 7 is a schematic structural diagram of a second driving motor of the present invention; Figure 8 It is a structural schematic diagram of the support frame of the present invention; Fig. 9 It is a structural schematic diagram of the feed funnel of the present invention.

[0018] Among them: 1. Bottom plate; 2. Feeding mechanism; 201. Fixed plate; 202. First electric telescopic rod; 203. Feeding funnel; 204. Butterfly valve; 205. Discharging pipe; 206. Storage pipe; 3. Rotating mechanism; 301. Fixed frame; 302. Protective shell; 303. First driving motor; 304. First bearing; 305. Mold tube; 306. Hydraulic cylinder; 307. Pressing plate; 308. Upper pressing plate; 309. Fixed column; 310. Rotating Column; 311, second electric telescopic rod; 312, second drive motor; 313, second bearing; 314, lower top plate; 315, support frame; 316, rotating shaft; 317, groove; 318, heating rod; 4, first protective shell; 5, dustproof shell; 6, support column; 7, reinforcement plate; 8, fixing bolt; 9, protection seat; 10, reinforcement ring; 11, second protective shell; 12, protection box; 13, fixing ring; 14, reinforcement frame; 15, controller. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1-9 A centrifugal rotary molding device for nylon rods comprises a bottom plate 1, a feeding mechanism 2 is arranged above the bottom plate 1, a rotating mechanism 3 is arranged outside the bottom plate 1, the feeding mechanism 2 comprises a fixed plate 201, a first electric telescopic rod 202 is fixedly connected to the front of the fixed plate 201, a feeding funnel 203 is fixedly connected to the telescopic end of the first electric telescopic rod 202, a bottom end of the feeding funnel 203 is fixedly connected to a storage pipe 206, a bottom end of the storage pipe 206 is fixedly connected to a butterfly valve 204, and an output end of the butterfly valve 204 is fixedly connected to a discharge pipe 205; The outer surface of the first electric telescopic rod 202 is fixedly connected with a first protective shell 4, and the back of the first protective shell 4 is fixedly connected to the front of the fixing plate 201. The first protective shell 4 can protect the first electric telescopic rod 202, play a strong protective role, and effectively prevent it from being damaged by the outside during use; Two groups of support columns 6 are fixedly connected to the bottom surface of the base plate 1, and a controller 15 is fixedly connected to the upper surface of the base plate 1. The controller 15 is electrically connected to the first electric telescopic rod 202 and the butterfly valve 204 through wires. The base plate 1 can be supported and fixed through the support columns 6 to enhance the stability of the device. The first electric telescopic rod 202 and the butterfly valve 204 can be conveniently controlled and adjusted through the controller 15 to enhance the applicability of the device.

[0021] The specific implementation method of this embodiment is as follows: first, a sufficient amount of material is added to the feed funnel 203, and then the material will fall into the storage tube 206 for storage, and the controller 15 is used to make the output end of the butterfly valve 204 transport the material stored in the storage tube 206 to the discharge pipe 205, so that material can be added to the mold to achieve the purpose of facilitating feeding, and the controller 15 can make the telescopic end of the first electric telescopic rod 202 perform telescopic movement, thereby driving the position of the feed funnel 203 to change, thereby adjusting the position of the discharge pipe 205, facilitating adjustment, enhancing the use effect of the device, and effectively avoiding the problem of manual addition of materials by staff, resulting in a large amount of labor consumption by staff and low feeding efficiency.

[0022] Example 2: Please refer to Figure 1-9 The rotating mechanism 3 includes a fixed frame 301, the inner wall of the fixed frame 301 is fixedly connected with a first bearing 304, the inner ring of the first bearing 304 is respectively fixedly connected with a first driving motor 303 and a hydraulic cylinder 306, the output end of the first driving motor 303 is fixedly connected with the top of the hydraulic cylinder 306, the telescopic end of the hydraulic cylinder 306 is fixedly connected with a pressing plate 307, the bottom end of the pressing plate 307 is fixedly connected with two groups of fixed columns 309, the bottom end of each group of fixed columns 309 is fixedly connected with two upper pressing plates 308, the upper surface of the bottom plate 1 is provided with a groove 317, the bottom surface of the bottom plate 1 is fixedly connected with a support frame 315, and the upper surface of the support frame 315 is respectively fixedly connected with A second driving motor 312 and a rotating shaft 316, the top of the rotating shaft 316 is fixedly connected with two groups of second electric telescopic rods 311, the telescopic ends of each group of second electric telescopic rods 311 are fixedly connected with a lower top plate 314, the outer surface of the output end of the second driving motor 312 is fixedly connected with a second bearing 313, the inner ring of the second bearing 313 is fixedly connected with a rotating column 310, the outer surface of the rotating column 310 is fixedly connected with two groups of mold tubes 305, the output end of the second driving motor 312 is fixedly connected with the bottom end of the rotating column 310, the upper surface of the bottom plate 1 is fixedly connected with a protective shell 302, and the inner wall of the protective shell 302 is fixedly connected with a plurality of identical heating rods 318; Two reinforcing plates 7 are fixedly connected to the outer surface of the fixing frame 301, and the bottom surface of each reinforcing plate 7 is fixedly connected to the upper surface of the bottom plate 1. The fixing frame 301 and the bottom plate 1 can be fixed by the reinforcing plates 7, which has a strong reinforcing effect and effectively prevents them from swaying during operation; The inner wall of each reinforcement plate 7 is threadedly connected with two sets of fixing bolts 8, and the outer surface of each set of fixing bolts 8 is threadedly connected with the inner wall of the bottom plate 1. The fixing bolts 8 can fix the reinforcement plate 7 and the bottom plate 1, effectively avoiding the problem of displacement and instability during use; The outer surface of the first drive motor 303 is fixedly connected with a dustproof housing 5, and the bottom surface of the dustproof housing 5 is fixedly connected to the top of the first bearing 304. The dustproof housing 5 can protect the first drive motor 303 and effectively prevent the first drive motor 303 from being damaged by external dust and other impurities. The outer surface of the hydraulic cylinder 306 is fixedly connected with a protective seat 9, and the upper surface of the protective seat 9 is fixedly connected to the bottom surface of the fixed frame 301. The protective seat 9 can protect the hydraulic cylinder 306, play a strong protective role, and can effectively prevent the hydraulic cylinder 306 from being disturbed by the outside world during the working process; Two reinforcement rings 10 are fixedly connected to the outer surface of each set of fixing columns 309, and the bottom end of each reinforcement ring 10 is fixedly connected to the top end of the upper pressing plate 308. The fixing columns 309 and the upper pressing plate 308 can be fixed by the reinforcement rings 10, effectively avoiding the problem of displacement and instability during use; The outer surface of the second drive motor 312 is fixedly connected with a protection box 12, the bottom surface of the protection box 12 is fixedly connected to the upper surface of the support frame 315, and the outer surface of the support frame 315 is fixedly connected with two reinforcement frames 14, and the upper surface of each reinforcement frame 14 is fixedly connected to the bottom surface of the bottom plate 1. The second drive motor 312 can be protected by the protection box 12, which has a strong protective effect and effectively prevents it from being damaged by the outside during operation. The support frame 315 and the bottom plate 1 can be reinforced by the reinforcement frame 14 to enhance their stability and effectively prevent them from deflecting and shaking during operation; Two second protective shells 11 are fixedly connected to the outer surface of each set of second electric telescopic rods 311, and the bottom surface of each second protective shell 11 is fixedly connected to the top of the rotating shaft 316. Two fixing rings 13 are fixedly connected to the outer surface of the telescopic end of each set of second electric telescopic rods 311, and the top of each fixing ring 13 is fixedly connected to the bottom end of the lower top plate 314. The second protective shells 11 can protect the second electric telescopic rods 311 and effectively prevent them from being damaged by the outside world. The fixing rings 13 can reinforce the second electric telescopic rods 311 and the lower top plate 314, effectively avoiding the problem of shaking and deflection during use.

[0023] The specific implementation of this embodiment is as follows: first, the telescopic end of the hydraulic cylinder 306 is extended to drive the pressing plate 307 to move downward, and then the fixed column 309 is driven to move downward, so that the upper pressing plate 308 can move downward, and the lower top plate 314 is always fixed inside the mold tube 305 under the push of the second electric telescopic rod 311, so that the material in the mold tube 305 can be pressed, which has a strong pressing effect and has a strong use effect. It can effectively avoid the problem of poor production and processing quality of nylon rods caused by small gaps between the materials inside the mold tube 305, and then the output end of the second drive motor 311 is rotated to drive the rotating column 310 to rotate, so that the mold tube 305 can be driven to perform centrifugal rotation, and the output end of the first drive motor 303 is used for rotation. , driving the first bearing 304 to rotate, and then driving the hydraulic cylinder 306 to rotate, so that the upper pressing plate 308 can always press the material in the mold tube 305. When the mold tube 305 rotates, the heating rod 318 on the protective shell 302 is heated, so that the material in the mold tube 305 can be evenly heated. After heating for a certain period of time, the heating rod 318 stops heating. Since the mold tube 305 always performs centrifugal rotation, there are no bubbles and small gaps inside the nylon rod in the mold tube 305 after it is formed. When the nylon rod in the mold tube 305 needs to be taken out, the telescopic end of the second electric telescopic rod 311 is extended to push the nylon rod out, so as to achieve the purpose of facilitating processing, and can effectively avoid the problem of low production and processing efficiency of nylon rods caused by processing only one nylon rod at a time.

[0024] Example 3: Please refer to Figure 1-9The specific implementation of this embodiment is as follows: first, a sufficient amount of material is added to the feed hopper 203, and then the material will fall into the storage pipe 206 for storage, and the output end of the butterfly valve 204 is used to transport the material stored in the storage pipe 206 to the discharge pipe 205 through the controller 15, so that the material can be added to the mold to achieve the purpose of facilitating feeding, and the controller 15 can make the telescopic end of the first electric telescopic rod 202 perform telescopic movement, thereby driving the position of the feed hopper 203 to change, thereby adjusting the position of the discharge pipe 205, which is convenient for adjustment and enhances the device. The use effect of the device can effectively avoid the problem that the staff manually add materials, which causes the staff to consume a lot of labor and low feeding efficiency. By extending the telescopic end of the hydraulic cylinder 306, the pressing plate 307 is driven to move downward, and then the fixed column 309 is driven to move downward, so that the upper pressing plate 308 can move downward, and the lower top plate 314 is always fixed inside the mold tube 305 under the push of the second electric telescopic rod 311, so that the material in the mold tube 305 can be pressed, which has a strong pressing effect and has a strong use effect, which can effectively avoid the mold There are tiny gaps between the materials inside the mold tube 305, which leads to the problem of poor production and processing quality of nylon rods. Then, by rotating the output end of the second drive motor 311, the rotating column 310 is driven to rotate, thereby driving the mold tube 305 to perform centrifugal rotation. The output end of the first drive motor 303 is rotated to drive the first bearing 304 to rotate, and then the hydraulic cylinder 306 is driven to rotate, so that the upper pressing plate 308 can always press the material in the mold tube 305. When the mold tube 305 rotates, the protective The heating rod 318 on the shell 302 performs heating work, and can evenly heat the material in the mold tube 305. After heating for a certain period of time, the heating rod 318 stops heating. Since the mold tube 305 always performs centrifugal rotation, there are no bubbles and small gaps inside the nylon rod in the mold tube 305 after it is formed. When the nylon rod in the mold tube 305 needs to be taken out, the telescopic end of the second electric telescopic rod 311 is extended to push the nylon rod out, thereby facilitating processing and effectively avoiding the problem of low production and processing efficiency of nylon rods due to processing only one nylon rod at a time.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A centrifugal rotational molding device for nylon rods, comprising a bottom plate (1), characterized in that: A feeding mechanism (2) is arranged above the bottom plate (1), and a rotating mechanism (3) is arranged outside the bottom plate (1); The feeding mechanism (2) comprises a fixed plate (201), a first electric telescopic rod (202) is fixedly connected to the front of the fixed plate (201), a telescopic end of the first electric telescopic rod (202) is fixedly connected to a feeding funnel (203), a bottom end of the feeding funnel (203) is fixedly connected to a material storage pipe (206), a bottom end of the material storage pipe (206) is fixedly connected to a butterfly valve (204), and an output end of the butterfly valve (204) is fixedly connected to a discharge pipe (205); The rotating mechanism (3) comprises a fixed frame (301), the inner wall of the fixed frame (301) is fixedly connected to a first bearing (304), the inner ring of the first bearing (304) is respectively fixedly connected to a first drive motor (303) and a hydraulic cylinder (306), the output end of the first drive motor (303) is fixedly connected to the top of the hydraulic cylinder (306), the telescopic end of the hydraulic cylinder (306) is fixedly connected to a pressing plate (307), the bottom end of the pressing plate (307) is fixedly connected to two groups of fixed columns (309), the bottom end of each group of the fixed columns (309) is fixedly connected to two upper pressing plates (308), the upper surface of the bottom plate (1) is provided with a groove (317), the bottom surface of the bottom plate (1) is fixedly connected to a support frame (315), the upper surface of the support frame (315) is respectively fixedly connected to A second drive motor (312) and a rotating shaft (316) are connected; the top end of the rotating shaft (316) is fixedly connected to two groups of second electric telescopic rods (311); the telescopic end of each group of the second electric telescopic rods (311) is fixedly connected to a lower top plate (314); the outer surface of the output end of the second drive motor (312) is fixedly connected to a second bearing (313); the inner ring of the second bearing (313) is fixedly connected to a rotating column (310); the outer surface of the rotating column (310) is fixedly connected to two groups of mold tubes (305); the output end of the second drive motor (312) is fixedly connected to the bottom end of the rotating column (310); the upper surface of the bottom plate (1) is fixedly connected to a protective shell (302); and the inner wall of the protective shell (302) is fixedly connected to a plurality of identical heating rods (318).

2. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: The outer surface of the first electric telescopic rod (202) is fixedly connected to a first protective shell (4), and the back surface of the first protective shell (4) is fixedly connected to the front surface of the fixing plate (201).

3. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: The bottom surface of the base plate (1) is fixedly connected to two groups of support columns (6), and the top surface of the base plate (1) is fixedly connected to a controller (15), and the controller (15) is electrically connected to the first electric telescopic rod (202) and the butterfly valve (204) respectively through wires.

4. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: Two reinforcement plates (7) are fixedly connected to the outer surface of the fixing frame (301), and the bottom surface of each reinforcement plate (7) is fixedly connected to the upper surface of the bottom plate (1).

5. A centrifugal rotational molding device for nylon rods according to claim 4, characterized in that: The inner wall of each reinforcement plate (7) is threadedly connected to two groups of fixing bolts (8), and the outer surface of each group of fixing bolts (8) is threadedly connected to the inner wall of the base plate (1).

6. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: The outer surface of the first drive motor (303) is fixedly connected to a dustproof housing (5), and the bottom surface of the dustproof housing (5) is fixedly connected to the top end of the first bearing (304).

7. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: A protection seat (9) is fixedly connected to the outer surface of the hydraulic cylinder (306), and the upper surface of the protection seat (9) is fixedly connected to the bottom surface of the fixing frame (301).

8. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: Two reinforcement rings (10) are fixedly connected to the outer surface of each group of the fixing columns (309), and the bottom end of each reinforcement ring (10) is fixedly connected to the top end of the upper pressing plate (308).

9. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: The outer surface of the second drive motor (312) is fixedly connected to a protection box (12), the bottom surface of the protection box (12) is fixedly connected to the upper surface of the support frame (315), the outer surface of the support frame (315) is fixedly connected to two reinforcement frames (14), and the upper surface of each reinforcement frame (14) is fixedly connected to the bottom surface of the bottom plate (1).

10. A centrifugal rotational molding device for nylon rods according to claim 1, characterized in that: The outer surface of each set of the second electric telescopic rods (311) is fixedly connected to two second protective shells (11), the bottom surface of each second protective shell (11) is fixedly connected to the top end of the rotating shaft (316), and the outer surface of the telescopic end of each set of the second electric telescopic rods (311) is fixedly connected to two fixing rings (13), and the top end of each fixing ring (13) is fixedly connected to the bottom end of the lower top plate (314).

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