Drying device for PA powder production

Abstract

The utility model provides a drying device for PA powder production, and relates to the technical field of PA powder production and processing. According to the drying device, when materials need to be dried, a heater is turned on firstly, then a first transmission motor is started, a second transmission wheel is driven to rotate through a belt, the second transmission wheel is fixedly connected with a first supporting platform, so that the first supporting platform rotates along with the second transmission wheel, and the first supporting platform is fixedly connected with a first gear; the first gear is meshed with the second gear, when one supporting platform rotates, the second gear is driven to rotate, so that the rotating shaft and the stirring blades are driven to rotate, the stirring blades continuously turn over materials in the barrel body to enable the materials to be evenly heated, and when the second supporting platform rotates along with the supporting platform, the scraping plate moves along with the second supporting platform to scrape off the materials attached to the inner wall of the barrel body. The materials are prevented from caking or adhering to the cylinder wall, so that the PA powder can be quickly and comprehensively dried.

Description

TECHNICAL FIELD

[0001] The utility model relates to PA powder production processing technical field especially relates to a drying device for PA powder production. BACKGROUND

[0002] PA, also known as polydodecanamide or nylon 12, is a high-performance thermoplastic commonly used in applications requiring high mechanical properties and chemical resistance. However, PA is highly sensitive to humidity, and its hygroscopicity can affect the mechanical properties and processability of the material. Therefore, it is crucial to control humidity during production and storage.

[0003] However, in actual use, there are still the following deficiencies, such as: the existing drying device for PA powder production cannot dry the PA powder quickly and completely, and the PA powder that is not fully dried contains a high moisture content, which can cause defects such as bubbles and cracks in the product during subsequent processing, affecting the mechanical properties and appearance quality of the product. The presence of moisture can affect the flowability and uniformity of the PA powder, thereby affecting the physical properties of the final product, such as strength, toughness, and wear resistance. Incomplete drying requires repeated drying treatment, increasing the production cycle and reducing production efficiency.

[0004] Therefore, the utility model provides a drying device for PA powder production to solve the above problems. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art and provides a drying device for PA powder production.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a drying device for PA powder production, comprising:

[0007] a support plate;

[0008] a drying assembly, the drying assembly is arranged on one side of the top of the support plate, the drying assembly comprises a cylinder arranged on one side of the top of the support plate, a first transmission motor is installed on one side of the bottom of the cylinder, the output end of the first transmission motor is fixedly connected with a first transmission wheel, a second transmission wheel is arranged on the bottom of the cylinder, and the first transmission wheel and the second transmission wheel are connected through a belt transmission; a support platform is protrudingly arranged on the inner bottom of the cylinder;

[0009] The gear cavity is arranged between the support platform and the bottom of the cylinder, the first gear and the second gear meshing with the first gear are rotationally connected in the gear cavity, the first gear is fixedly connected with the second transmission gear and rotates synchronously, the second gear is fixedly connected with the rotating shaft, the rotating shaft is fixedly connected with the stirring blade, the second support block is fixedly connected on the support platform, the scraper is fixedly connected on one side of the second support block close to the inner wall of the cylinder, and the heater is installed on the cylinder.

[0010] The rotating assembly is arranged on one side of the top of the support plate close to the drying assembly, the rotating assembly comprises the second transmission motor installed at the bottom of the support plate, the output end of the second transmission motor is fixedly connected with the rotating block, the rotating block is fixedly connected with the connecting rod, the connecting rod is rotationally connected at the bottom of the cylinder, the support seat is fixedly connected on the support plate, the limiting ring is rotationally connected on the support seat, and the cylinder is rotationally connected in the limiting ring.

[0011] As a preferred embodiment, the top of the cylinder is threadedly connected with the cylinder cover, and the bottom of the cylinder is fixedly connected with the discharge pipe.

[0012] The beneficial effects of the above further scheme are that, since the top of the cylinder is threadedly connected with the cylinder cover, the cylinder cover can be screwed off, PA powder can be conveniently put into the cylinder, and the PA powder can be conveniently dried, and since the bottom of the cylinder is fixedly connected with the discharge pipe, the dried PA powder can be conveniently discharged.

[0013] As a preferred embodiment, the first transmission gear is rotationally connected at the bottom of the support plate, and the second transmission gear is rotationally connected at the bottom of the support plate.

[0014] The beneficial effects of the above further scheme are that, since the first transmission gear is rotationally connected at the bottom of the support plate, when the first transmission gear rotates at the bottom of the support plate, the support plate can support and limit the rotation of the first transmission gear, and since the second transmission gear is rotationally connected at the bottom of the support plate, when the second transmission gear rotates at the bottom of the support plate, the support plate can support and limit the rotation of the second transmission gear.

[0015] As a preferred embodiment, the support platform is rotationally connected at the inner bottom of the cylinder, the support platform comprises the support disc at the top and the gear-matching side wall extending outward from the support disc, the inner tooth ring meshing with the second gear is arranged on the inner surface of the gear-matching side wall, and the gear-matching side wall is rotationally connected with the bottom of the cylinder through the thrust bearing.

[0016] The beneficial effect of the further scheme is that the support platform is rotatably connected to the inner bottom of the barrel, so that the barrel can support and limit the rotation of the support platform when the support platform rotates on the inner bottom of the barrel.

[0017] As a preferred embodiment, the bottom of the support plate is provided with a damping assembly, which comprises a bottom plate, and a spring plate is fixedly connected to the bottom plate, and the other end of the spring plate is fixedly connected to the support plate.

[0018] The beneficial effect of the further scheme is that the support plate is connected to the bottom plate through the spring plate and the damping rod.

[0019] As a preferred embodiment, the bottom plate is fixedly connected with a damping rod, and the other end of the damping rod is fixedly connected to the support plate.

[0020] The beneficial effect of the further scheme is that the spring plate has a certain elasticity and can deform when subjected to external force, thereby absorbing vibration energy, and the damping rod is provided with a telescopic spring.

[0021] As a preferred embodiment, the damping rod is provided with a telescopic spring, one end of the telescopic spring is fixedly connected to the support plate, and the other end of the telescopic spring is fixedly connected to the bottom plate.

[0022] The beneficial effect of the further scheme is that when the support plate is subjected to vibration, the telescopic spring will be compressed or stretched, generating damping force and further slowing down vibration transmission.

[0023] Compared with the prior art, the utility model has the advantages and positive effects that:

[0024] In the utility model, when it is necessary to dry the material, first, the heater is opened to increase the temperature in the barrel, then the first transmission motor is started, the second transmission wheel is rotated by the belt, the second transmission wheel is fixedly connected with the support platform, therefore the support platform also rotates, the first gear is fixedly connected to the support platform, the first gear is engaged with the second gear, when the support platform rotates, the second gear is driven to rotate, thereby the rotating shaft and the stirring blade are rotated, the stirring blade continuously stirs the material in the barrel to make the material uniformly heated, when the second support block rotates with the support platform, the scraper also moves to scrape the material adhered to the inner wall of the barrel, so that the material is prevented from being caked or adhered to the barrel wall, at the same time, the second transmission motor is started, the limiting ring is rotated by the rotating block and the connecting rod, thereby the barrel is rotated at multiple angles, so that the PA powder can be quickly and comprehensively dried. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1The utility model discloses a drying device for PA powder production's structure schematic diagram.

[0026] Figure 2 The utility model discloses a drying device for PA powder production's drying subassembly structure schematic diagram.

[0027] Figure 3 The utility model discloses a drying device for PA powder production's rotation subassembly structure schematic diagram.

[0028] Figure 4 The utility model discloses a drying device for PA powder production's damping subassembly structure schematic diagram.

[0029] Signs:

[0030] 1, support plate;

[0031] 2, drying subassembly;21, cylinder;22, cylinder cover;23, first drive motor;24, first transmission wheel;25, belt;26, second transmission wheel;27, a support platform;28, first gear;29, second gear;210, rotating shaft;211, stirring vane;212, second support block;213, scraper;214, heater;215, discharge pipe;216, gear cavity;217, gear cooperation side wall;218, support round plate;

[0032] 3, rotation subassembly;31, second drive motor;32, rotating block;33, connecting rod;34, support seat;35, limit ring;

[0033] 4, damping subassembly;41, bottom plate;42, elastic sheet;43, damping rod;44, extension spring. Specific embodiments

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0035] As Figures 1-4 shown, the embodiment provides a technical scheme: a drying device for PA powder production, comprising:

[0036] support plate 1;

[0037] The drying assembly 2 is arranged on one side of the top of the support plate 1, and the drying assembly 2 comprises a barrel 21 arranged on one side of the top of the support plate 1, a first transmission motor 23 is arranged on one side of the bottom of the barrel 21, the output end of the first transmission motor 23 is fixedly connected with a first transmission wheel 24, a second transmission wheel 26 is arranged on the bottom of the barrel 21, and the first transmission wheel 24 and the second transmission wheel 26 are drivingly connected through a belt 25; the belt 25 can drive the first transmission wheel 24 and the second transmission wheel 26, so that the rotation rates of the first transmission wheel 24 and the second transmission wheel 26 are kept synchronous, and a support platform 27 is arranged on the inner bottom of the barrel 21; the support platform 27 can limit the rotation shaft 210, thereby increasing the stability of the rotation shaft 210;

[0038] A gear cavity 216 is arranged between the support platform 27 and the bottom of the barrel 21, the first gear 28 and the second gear 29 meshing with the first gear 28 are drivingly connected in the gear cavity 216, the first gear 28 is fixedly connected with the second transmission wheel 26 and rotates synchronously; the first gear 28 can synchronously drive the two second gears 29, the rotation shaft 210 is fixedly connected on the second gear 29, the stirring blade 211 is fixedly connected on the rotation shaft 210, the second support block 212 is fixedly connected on the support platform 27, the scraper 213 is fixedly connected on one side of the second support block 212 close to the inner wall of the barrel 21, and the heater 214 is arranged on the barrel 21;

[0039] The rotating assembly 3 is arranged on the top of the support plate 1, close to one side of the drying assembly 2, and the rotating assembly 3 comprises a second transmission motor 31 arranged on the bottom of the support plate 1, the output end of the second transmission motor 31 is fixedly connected with a rotating block 32, the rotating block 32 is fixedly connected with a connecting rod 33, the connecting rod 33 is rotatably connected with the second transmission wheel 26, the support plate 1 is fixedly connected with a support seat 34, the support seat 34 is rotatably connected with a limiting ring 35, and the cylinder body 21 is rotatably connected in the limiting ring 35; when it is needed to dry the materials, first, the heater 214 is opened, the temperature in the cylinder body 21 is increased, then the first transmission motor 23 is started, the second transmission wheel 26 is driven to rotate through the belt 25, since the second transmission wheel 26 is fixedly connected with a support platform 27, the support platform 27 also rotates, the support platform 27 is fixedly connected with a first gear 28, the first gear 28 is engaged with a second gear 29, when the support platform 27 rotates, the second gear 29 is driven to rotate, so as to drive the rotating shaft 210 and the stirring blade 211 to rotate, the stirring blade 211 continuously stirs the materials in the cylinder body 21, so that the materials are uniformly heated, when the second support block 212 rotates with the support platform 27, the scraper 213 also moves, so as to scrape the materials attached to the inner wall of the cylinder body 21, so that the materials are prevented from being clumped or adhered to the cylinder wall, at the same time, the second transmission motor 31 is started, the limiting ring 35 is driven to rotate through the rotating block 32 and the connecting rod 33, so that the cylinder body 21 is rotated at multiple angles, so that the PA powder can be quickly and comprehensively dried.

[0040] In the above scheme, when the PA powder is dried, the problem of reducing vibration during drying cannot be solved, for example, Figures 1-3As shown: the top of the cylinder 21 is threadedly connected with cylinder cover 22, the bottom of the cylinder 21 is fixedly connected with discharge pipe 215, since the top of the cylinder 21 is threadedly connected with cylinder cover 22, so that the cylinder cover 22 is screwed off, the PA powder is put into the cylinder 21, the PA powder is dried, since the bottom of the cylinder 21 is fixedly connected with the discharge pipe 215, the PA powder after drying is discharged, the first transmission wheel 24 is rotatably connected at the bottom of the support plate 1, the second transmission wheel 26 is rotatably connected at the bottom of the support plate 1, since the first transmission wheel 24 is rotatably connected at the bottom of the support plate 1, so that the support plate 1 can support and limit the rotation of the first transmission wheel 24 when the first transmission wheel 24 rotates at the bottom of the support plate 1, since the second transmission wheel 26 is rotatably connected at the bottom of the support plate 1, so that the support plate 1 can support and limit the rotation of the second transmission wheel 26 when the second transmission wheel 26 rotates at the bottom of the support plate 1, a support platform 27 is rotatably connected at the inner bottom of the cylinder 21, the support platform 27 comprises a support circular plate 218 at the top and a gear matching side wall 217 extending outwardly from the support circular plate 218, the inner surface of the gear matching side wall 217 is provided with an inner gear ring engaging with the second gear 29, the bottom of the gear matching side wall 217 is rotatably connected with the bottom of the cylinder 21 through a thrust bearing, and the inner gear ring mounted on the inner surface of the gear matching side wall 217 can better engage with the second gear 29 for transmission, since the support platform 27 is rotatably connected at the inner bottom of the cylinder 21, so that the cylinder 21 can support and limit the rotation of the support platform 27 when the support platform 27 rotates at the inner bottom of the cylinder 21;

[0041] As Figure 1 And Figure 4 As shown, the bottom of the support plate 1 is provided with a damping assembly 4, the damping assembly 4 comprises a bottom plate 41, the bottom plate 41 is fixedly connected with a spring sheet 42, the other end of the spring sheet 42 is fixedly connected on the support plate 1, the support plate 1 is connected with the bottom plate 41 through the spring sheet 42 and a damping rod 43, the bottom plate 41 is fixedly connected with the damping rod 43, the other end of the damping rod 43 is fixedly connected on the support plate 1, the spring sheet 42 has a certain elasticity and can be deformed when subjected to external force, thereby absorbing vibration energy, the damping rod 43 is provided with a telescopic spring 44, the telescopic spring 44 is fixedly connected at one end on the support plate 1 and at the other end on the bottom plate 41, when the support plate 1 is vibrated, the telescopic spring 44 will be compressed or stretched, generating damping force to further slow down vibration transmission.

[0042] As Figures 1-4When it is needed to dry the material, first open the heater 214, the temperature in the barrel 21 is raised, and then start the first transmission motor 23, through the belt 25 drive the second transmission wheel 26 rotation, because the second transmission wheel 26 and a support platform 27 through the first gear 28 and the second gear 29 transmission connection, so a support platform 27 will also rotate, a support platform 27 bottom rotationally connected with the first gear 28, the first gear 28 and the second gear 29 meshing, will drive the second gear 29 rotation, thereby driving the rotating shaft 210 and the stirring blade 211 rotation, the stirring blade 211 in the barrel 21 constantly turn the material, make it uniform heat, when the second support block 212 with a support platform 27 rotation, the scraper 213 will also move, will be attached to the inner wall of the barrel 21 material scraping, prevent material caking or adhere to the wall, at the same time, start the second transmission motor 31, through the rotating block 32 and connecting rod 33 drive the limit ring 35 rotation, thereby the barrel 21 is carried out multi-angle rotation, make the PA powder can more comprehensive drying, the support plate 1 through the elastic sheet 42 and the damping rod 43 with the bottom plate 41 link, the elastic sheet 42 has certain elasticity, can be deformed when subjected to external force, thereby absorbing vibration energy, the damping rod 43 is provided with telescopic spring 44, when the support plate 1 is vibrated, the telescopic spring 44 will be compressed or stretched, produce damping force, further slow down the vibration transmission.

[0043] The above is only the preferred embodiment of the present application, not the other forms of the present application for other forms of restrictions, any skilled in the art of technical personnel may use the above disclosed technical content to change or modification as equivalent variation of equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments, which does not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application technical scheme.

Claims

1. A drying apparatus for PA powder production, characterized in that, include: Support plate (1); A drying assembly (2) is placed on one side of the top of a support plate (1). The drying assembly (2) includes a cylinder (21) disposed on one side of the top of the support plate (1). A first drive motor (23) is installed on one side of the bottom of the cylinder (21). A first drive wheel (24) is fixedly connected to the output end of the first drive motor (23). A second drive wheel (26) is disposed at the bottom of the cylinder (21). The first drive wheel (24) and the second drive wheel (26) are connected by a belt (25). A support platform (27) is provided on the inner bottom of the cylinder (21). A gear cavity (216) is provided between the support platform (27) and the bottom of the cylinder (21). A first gear (28) and a second gear (29) meshing with the first gear (28) are rotatably connected in the gear cavity (216). The first gear (28) is fixedly connected to the second transmission wheel (26) and rotates synchronously. A rotating shaft (210) is fixedly connected to the second gear (29). A stirring blade (211) is fixedly connected to the rotating shaft (210). A second support block (212) is fixedly connected to the support platform (27). A scraper (213) is fixedly connected to the side of the second support block (212) near the inner wall of the cylinder (21). A heater (214) is installed on the cylinder (21). Rotating assembly (3) is placed on the top of support plate (1) near the drying assembly (2). The rotating assembly (3) includes a second drive motor (31) installed at the bottom of support plate (1). The output end of the second drive motor (31) is fixedly connected to a rotating block (32). A connecting rod (33) is fixedly connected to the rotating block (32). The connecting rod (33) is rotatably connected to the bottom of the cylinder (21). A support seat (34) is fixedly connected to the support plate (1). A limit ring (35) is rotatably connected to the support seat (34). The cylinder (21) is rotatably connected inside the limit ring (35).

2. The drying apparatus for PA powder production according to claim 1, characterized in that: The top of the cylinder (21) is threaded with a cylinder cover (22), and the bottom of the cylinder (21) is fixedly connected with a discharge pipe (215).

3. The drying apparatus for PA powder production according to claim 1, characterized in that: The first transmission wheel (24) is rotatably connected to the bottom of the support plate (1), and the second transmission wheel (26) is rotatably connected to the bottom of the support plate (1).

4. The drying apparatus for PA powder production according to claim 1, characterized in that: The support platform (27) is rotatably connected to the inner bottom of the cylinder (21). The support platform (27) includes a top support circular plate (218) and a gear-fitting sidewall (217) extending outward from the support circular plate (218). The inner surface of the gear-fitting sidewall (217) is provided with an internal gear ring that engages with the second gear (29). The bottom of the gear-fitting sidewall (217) is rotatably connected to the bottom of the cylinder (21) through a thrust bearing.

5. A drying apparatus for PA powder production according to claim 1, characterized in that: The bottom of the support plate (1) is provided with a vibration damping component (4), which includes a base plate (41) and a spring piece (42) is fixedly connected to the base plate (41). The other end of the spring piece (42) is fixedly connected to the support plate (1).

6. A drying apparatus for PA powder production according to claim 5, characterized in that: A damping rod (43) is fixedly connected to the base plate (41), and the other end of the damping rod (43) is fixedly connected to the support plate (1).

7. A drying apparatus for PA powder production according to claim 6, characterized in that: A telescopic spring (44) is provided on the damping rod (43). One end of the telescopic spring (44) is fixedly connected to the support plate (1), and the other end of the telescopic spring (44) is fixedly connected to the base plate (41).

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