Quantitative PVC cable material resin powder feeding device

Abstract

The invention relates to the technical field of powder conveying, in particular to a PVC cable material resin powder quantitative feeding device which comprises a base, a box and a feeding mechanism, the box is mounted on the base, and the feeding mechanism drives a rotating shaft to rotate through a motor and drives a first spiral piece and a second spiral piece to rotate. And meanwhile, a rotating shaft drives a first pushing block and a second pushing block to rotate and pushes a disc on a pipe chain to move, so that the powder on the disc is driven to enter a feeding barrel, the powder is quantitatively fed through a hose, and the problems that in the existing PVC resin powder feeding process, energy consumption is large, and the feeding efficiency is high are solved. Blockage is easy to occur, and the powder conveying efficiency is reduced; according to the PVC resin powder feeding device, blockage is not prone to occurring in the PVC resin powder feeding process, energy consumption is reduced, the cost is reduced, and the powder conveying efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of powder material conveying, and in particular to a quantitative feeding device for PVC cable material resin powder. Background Art

[0002] The quantitative feeding device for PVC cable material resin powder is a highly efficient automated equipment, which is specially used to accurately control and deliver resin powder (such as polyvinyl chloride powder) to the mixing equipment according to the set ratio during the production process of PVC cable material. The device ensures that the amount of each feeding meets the predetermined process requirements through an intelligent metering system and conveying mechanism, avoiding product quality fluctuations due to inaccurate proportions. The device is usually equipped with high-precision sensors and automatic control systems, which can monitor the weight and flow of powder in real time during the feeding process, thereby achieving accurate quantitative feeding.

[0003] Traditionally, PVC resin powder is fed by compressed air, which uses pressure difference to convey the powder to a high place. In addition, PVC resin powder is transported by a spiral auger. However, the existing pneumatic transportation is prone to damage the transmission equipment due to the high pressure required during the transportation process, and the power consumption is large. The powder is prone to blockage or adhesion to the spiral blades when transported by a spiral auger, which greatly reduces the efficiency of powder transportation.

[0004] In view of the above situation, in order to overcome the above technical problems, the present invention designs a PVC cable material resin powder quantitative feeding device to solve the above technical problems. Summary of the invention

[0005] The technical purpose to be achieved by the present invention is to solve the problems that the existing PVC resin powder feeding process has large energy consumption, is prone to blockage, and reduces the efficiency of powder transportation; to achieve that the PVC resin powder feeding process is not prone to blockage, and reduces energy consumption, reduces costs, and greatly improves the efficiency of powder transportation.

[0006] In order to achieve the above-mentioned technical objectives, the present invention provides the following technical solutions: a PVC cable material resin powder quantitative feeding device, comprising: a base and a box body, the box body is installed on the base, and also includes a feeding mechanism, the feeding mechanism drives the rotating shaft to rotate through a motor, and drives the first spiral piece and the second spiral piece to rotate, pushing the powder inside the box body to move toward the center, at the same time, the rotating shaft drives the first pushing block and the second pushing block to rotate, and pushes the disc on the pipe chain to move, thereby driving the powder on the disc into the inside of the feeding barrel, and the powder is quantitatively fed through the hose.

[0007] The core of the feeding mechanism is a rotating shaft driven by a motor. Under the action of the motor, the rotating shaft starts to rotate, and synchronously drives the first spiral plate and the second spiral plate arranged on it to rotate. The rotational force of the two spiral plates gradually pushes the resin powder inside the box to the center of the box, thereby realizing the centralized transportation of the powder.

[0008] At the same time, the rotating shaft also drives the first push block and the second push block connected to it to rotate synchronously through a mechanical linkage device. As the push block rotates, multiple discs on the tube chain are pushed in turn and move along the path of the tube chain. Each disc carries a certain amount of resin powder, which is gradually transported to the inside of the feeding barrel of the device during the movement of the disc.

[0009] When the powder enters the feeding barrel, it is further quantitatively transported to the designated production equipment through the hose installed on the feeding barrel. The entire quantitative feeding process is precisely controlled to ensure that the amount of each feeding meets the preset requirements, thereby ensuring the quality and stability of PVC cable material production.

[0010] The device has a compact structure and is easy to operate. Through the coordinated work of the motor and the rotating shaft, the spiral blade, the push block, the pipe chain and the feeding barrel, the automatic and quantitative transportation of the resin powder is realized, thereby improving the feeding efficiency.

[0011] Preferably, the feeding mechanism includes a rotating shaft, a first spiral sheet, a second spiral sheet, a feeding barrel, a tube chain, a motor and an output shaft, the rotating shaft is horizontally installed inside a box, the first spiral sheet is installed at one end of the rotating shaft, the second spiral sheet is installed at the other end of the rotating shaft, and the first spiral sheet and the second spiral sheet are symmetrical to each other, the feeding barrel is installed inside the box, and the feeding barrel is located in the middle of the rotating shaft, the tube chain is slidably installed inside the feeding barrel, the motor is installed at one end of the box, an output shaft is installed on the motor, and the output shaft and the rotating shaft are connected to each other.

[0012] The feeding mechanism ensures efficient and accurate conveying of PVC cable material resin powder. Specifically, the rotating shaft is horizontally installed inside the box body, runs through the length of the box body, and plays a supporting and transmission role. The first spiral blade and the second spiral blade are respectively installed at both ends of the rotating shaft. The first spiral blade is fixed at one end of the rotating shaft, and the second spiral blade is installed at the other end of the rotating shaft. The design of the two spiral blades presents a mutually symmetrical structure. This symmetry can evenly push the resin powder in the box body from both sides to the central position when the rotating shaft rotates, ensuring the fluidity and uniformity of the powder during the entire feeding process.

[0013] In the middle of the rotating shaft, a feeding barrel is installed, located in the center of the box. The feeding barrel is one of the core components of the entire feeding mechanism. Its function is to receive the resin powder pushed from the spiral blade and transport it through the pipe chain, which is installed and slid along the inner wall of the feeding barrel. There are multiple discs installed on the pipe chain. These discs gradually transport the powder from the bottom of the feeding barrel to the top during the sliding process of the pipe chain, and finally realize the quantitative transportation of the powder.

[0014] The motor is installed at one end of the box as the power source of the entire feeding mechanism. The motor is directly connected to the rotating shaft through the output shaft, and the rotational power generated by the motor is transmitted to the rotating shaft. Driven by the motor, the rotating shaft begins to rotate, driving the spiral blade installed on it to rotate, thereby pushing the resin powder in the box to concentrate in the direction of the feeding barrel. In addition, the motor also indirectly drives the pipe chain through the rotating shaft, so that the disc slides along the predetermined path inside the feeding barrel, and the quantitative resin powder is transported from the bottom of the feeding barrel to the top, ensuring that the powder always maintains a uniform flow throughout the entire feeding process, and is quantitatively transported to the next operation of the production line as needed.

[0015] Preferably, a rectangular groove is formed at one end of the box body, the motor is located inside the rectangular groove, a material trough is formed at the other end of the box body, the rotating shaft, the first spiral sheet and the second spiral sheet are located inside the material trough, an arc groove is formed in the middle of the material trough, and the feeding barrel is located inside the arc groove.

[0016] The box structure design of the feeding device takes into account the compactness and functionality of the equipment. A rectangular groove is specially designed at one end of the box, which provides a dedicated space for the installation and protection of the motor. The motor is tightly embedded in the rectangular groove. This layout not only saves external space, but also effectively protects the motor from the influence of the external environment, such as dust and moisture, thereby extending the service life of the motor.

[0017] At the other end of the box, a trough is designed to accommodate and guide the flow of resin powder. The trough is equipped with a rotating shaft, a first spiral blade and a second spiral blade, and these key components are installed inside the trough. The rotating shaft is arranged horizontally along the length of the trough, and the first spiral blade and the second spiral blade are installed at both ends of the rotating shaft respectively. This structural design enables the spiral blade to effectively push the resin powder in the trough when the rotating shaft rotates, ensuring that the powder is transported in a centralized manner in the specified direction.

[0018] It is worth noting that there is an arc groove in the middle of the trough. The arc groove is integrally formed with the entire trough structure, providing a precise positioning and fixing space. The feed barrel is cleverly installed inside this arc groove, making it perfectly fit with the overall design of the trough. The arc groove not only provides stable support for the feed barrel, but also enables the feed barrel to accurately receive the resin powder pushed by the spiral blade and further quantitatively transport it.

[0019] This design ensures that all components are tightly integrated and work in coordination within the device. The rectangular groove provides a stable and safe installation position for the motor, the rotating shaft and spiral blades in the trough ensure the effective pushing of the resin powder, and the feeding barrel in the arc groove undertakes the final quantitative conveying task. Through the coordinated work of these components, the entire feeding system can efficiently and reliably complete the quantitative feeding task of the resin powder.

[0020] Preferably, a first push block is provided in a circular array with the axis as the center in the middle of the rotating shaft, and the first push block is located on the inner side of the first spiral sheet; a second push block is provided in a circular array with the axis as the center in the middle of the rotating shaft, and the first push block is located on the inner side of the second spiral sheet; the first push block and the second push block are parallel to each other and symmetrical about the center point of the rotating shaft.

[0021] The rotating shaft in the feeding device has a fine structural design in the middle area to ensure the effective conveying of the resin powder. The middle area of ​​the rotating shaft is designed with a first pushing block and a second pushing block.

[0022] First, the first push block and the second push block are arranged in a circular array with the axis of the rotating shaft as the center. These push blocks are closely arranged in the middle of the rotating shaft, and as the rotating shaft rotates, the resin powder is pushed to move to the middle area. This design not only improves the powder conveying efficiency, but also effectively prevents the accumulation and blockage of the powder during the conveying process.

[0023] The arrangement of the first push block and the second push block is highly symmetrical. Specifically, the first push block and the second push block are respectively located in the middle of the rotating shaft, parallel to each other, and symmetrically distributed with the center point of the rotating shaft as the symmetry axis. The rotating shaft can not only stably drive the spiral blade and the push block to work together, but also maintain balance and accuracy during the entire powder conveying process, ensuring uniform quantitative conveying of the resin powder.

[0024] Preferably, the feeding barrel is of N-type structure, and a discharge pipe is provided below the top of the feeding barrel, a hose is provided on the discharge pipe, a semi-arc tube is provided at the bottom of the feeding barrel, and the semi-arc tube is connected to the feeding barrel, and an arc-shaped opening is provided on the inner side of the semi-arc tube.

[0025] The feed barrel is designed as an N-shaped structure with a special geometric shape. This structural design enables the tube chain to circulate and move inside and transport the powder. A discharge pipe is provided below the top of the feed barrel, so that the powder can be smoothly discharged from the top area after being transported by the feed barrel. A hose is also connected to the discharge pipe. This hose can not only flexibly adjust the conveying direction, but also adapt to different conveying requirements to ensure that the powder can be accurately transported to the designated location.

[0026] At the bottom of the feeding barrel, a semi-arc tube connected to the feeding barrel is also provided. The semi-arc tube is designed to be seamlessly connected to the internal structure of the feeding barrel, and the arc opening is to allow the first push block and the second push block on the rotating shaft to extend into the semi-arc tube and push the tube chain inside the semi-arc tube to move, thereby realizing the transportation of powder and the circulation movement of the tube chain.

[0027] The combined effect of this design enables the feed barrel to not only efficiently complete the task of conveying powder, but also maintain the continuity and stability of powder flow throughout the entire process.

[0028] Preferably, the length of the first push block and the second push block is equal to the radius of the semi-arc tube, so as to ensure that the first push block and the second push block can extend into the semi-arc tube and push the tube chain to move, so that the tube chain drives the powder to be transported.

[0029] Preferably, the feeding tube and the inner wall outside the semi-arc tube are provided with sliding grooves to ensure that the tube chain will not get stuck inside the feeding tube when the first pushing block and the second pushing block push the tube chain to move, thereby ensuring continuous transportation of the powder.

[0030] Preferably, the tube chain includes a chain, a disc, a connecting block, a flexible chain, a connecting rod and a roller; a plurality of discs are connected to the chain, connecting blocks are provided on the outer sides of the plurality of discs, the flexible chain is slidably mounted on a sliding groove on the outer inner wall of the feeding barrel, the outer side of the flexible chain is connected to the connecting block, a plurality of connecting rods are installed on the inner side of the flexible chain, rollers are installed on the plurality of connecting rods, and the rollers slide in the sliding groove.

[0031] The tube chain is complex and well-designed, and consists of multiple key components to ensure stable and efficient transportation of resin powder. First, the core part of the tube chain is the chain, which extends along the entire conveying path and plays a supporting and transmission role. There are multiple discs fixedly connected to the chain, which are evenly spaced and arranged along the length of the chain. Each disc is responsible for carrying a certain amount of resin powder. During the conveying process, the movement of the chain drives the disc to move along the predetermined path to transport the powder.

[0032] Each disc is equipped with a connecting block on the outside, which not only provides additional support for the disc, but also ensures that the chain and disc remain stable during the conveying process.

[0033] The outer side of the flexible chain is tightly connected to the connecting block to ensure that the chain and the disc can move synchronously, while multiple connecting rods are installed on the inner side of the flexible chain. These connecting rods are evenly distributed along the inner side of the flexible chain, and each connecting rod is installed with a roller. The roller can slide smoothly in the sliding groove to reduce friction and resistance, while the flexible chain prevents powder from entering the sliding groove, ensuring that the chain and the disc can work efficiently under low friction and avoiding component wear or reduced conveying efficiency due to excessive friction.

[0034] Preferably, the distance between the outermost sides of the first pushing block and the second pushing block is smaller than the diameter of the disc, so as to ensure that the first pushing block and the second pushing block can completely contact the bottom of the disc and push the disc to move, so that the disc drives the powder to move upward and enter the feeding barrel, thereby realizing the rapid transportation and loading of the powder.

[0035] Preferably, the distance between adjacent disks is smaller than the distance between the ends of two adjacent first push blocks. This is to ensure that during the rotation of the first push block or the second push block, each adjacent first push block or the second push block can cooperate with the adjacent disks on the chain and correspond one to one, so that the first push block and the second push block correspondingly push each disk in the bottom semi-arc tube to move during rotation, thereby driving the powder on the disk to move upward and enter the inside of the feeding barrel to realize the feeding and transportation of the powder.

[0036] The beneficial effects of the present invention are as follows:

[0037] 1. The present invention provides a first spiral sheet and a second spiral sheet on the box body, and transports the powder to the pipe chain through the first spiral sheet and the second spiral sheet, and drives the pipe chain to drive the powder to be transported to the inside of the feeding barrel, so that the powder is quantitatively moved upward for transportation, and the quantitative feeding of the PVC cable material resin powder is completed, and it is not easy to be blocked, the energy consumption is reduced, the cost is reduced, and the efficiency of powder transportation is greatly improved.

[0038] 2. The present invention provides a first pushing block and a second pushing block on the rotating shaft, and the rotation of the first pushing block and the second pushing block drives the tube chain to rotate circularly, and the powder inside the box is transported through the feeding barrel, thereby completing the loading of the powder and improving the efficiency of powder transportation.

[0039] 3. The present invention provides a flexible chain and a roller in the feeding tube. Through the cooperation between the flexible chain and the roller, the flexible chain can circulate inside the feeding tube and ensure the movement and transportation of the tube chain. At the same time, it prevents the powder from leaking downward from the periphery of the disc during transportation, thereby ensuring the quantitative transportation of the tube chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] The above and other aspects of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which:

[0042] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0043] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the present invention as a whole;

[0044] Figure 3 It is a three-dimensional structural schematic diagram of the box body of the present invention;

[0045] Figure 4 It is a three-dimensional structural schematic diagram of the rotating shaft, the first spiral sheet, the second spiral sheet, the first pushing block and the second pushing block of the present invention;

[0046] Figure 5 It is a three-dimensional structural schematic diagram of the feeding cylinder and the tube chain of the present invention;

[0047] Figure 6 is a cross-sectional view of the feed barrel of the present invention;

[0048] Figure 7 It is a partial cross-sectional view of the feed tube and the tube chain of the present invention;

[0049] Figure 8 It is a three-dimensional structural schematic diagram of the pipe chain of the present invention;

[0050] Fig. 9 It is a three-dimensional structural schematic diagram of the tube chain, flexible chain and roller of the present invention;

[0051] In the figure: 1. base; 2. box body; 21. rectangular groove; 22. material trough; 23. arc groove; 3. feeding mechanism; 31. rotating shaft; 32. first spiral sheet; 321. first pushing block; 33. second spiral sheet; 331. second pushing block; 34. feeding barrel; 341. discharge pipe; 342. hose; 343. semi-arc pipe; 344. arc opening; 345. sliding groove; 35. pipe chain; 351. chain; 352. disc; 353. connecting block; 354. flexible chain; 355. connecting rod; 356. roller; 36. motor; 37. output shaft. DETAILED DESCRIPTION

[0052] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0053] like Figure 1-9 As shown, a quantitative feeding device for PVC cable material resin powder includes: a base 1 and a box body 2, the box body 2 is installed on the base 1, and also includes a feeding mechanism 3, the feeding mechanism 3 drives the rotating shaft 31 to rotate through the motor 36, and drives the first spiral piece 32 and the second spiral piece 33 to rotate, pushing the powder inside the box body 2 to move toward the center, at the same time, the rotating shaft 31 drives the first pushing block 321 and the second pushing block 331 to rotate, and pushes the disc 352 on the pipe chain 35 to move, thereby driving the powder on the disc 352 to enter the inside of the feeding barrel 34, and the powder is quantitatively fed through the hose 342.

[0054] The core component of the feeding mechanism 3 is the rotating shaft 31 driven by the motor 36. After the motor 36 is started, the rotating shaft 31 starts to rotate and synchronously drives the first spiral piece 32 and the second spiral piece 33 installed thereon to rotate. The two spiral pieces gradually push the resin powder inside the box body 2 to the center of the box body 2 through rotation. At the same time, the rotating shaft 31 drives the first push block 321 and the second push block 331 to rotate synchronously through a mechanical linkage device. The rotation of the push block causes the discs 352 on the tube chain 35 to move in sequence. These discs 352 move along the path of the tube chain 35, and each disc 352 carries a certain amount of resin powder. As the discs 352 move, the powder is gradually transported to the feeding barrel 34 inside the device.

[0055] When the powder enters the feeding barrel 34, the hose 342 on the feeding barrel 34 further quantitatively transports it to the designated production equipment. The entire feeding process is precisely controlled to ensure that the feeding amount each time accurately meets the set requirements, thereby ensuring the quality and stability of PVC cable material production.

[0056] like Figure 2 and Figure 3As shown, the feeding mechanism 3 includes a rotating shaft 31, a first spiral piece 32, a second spiral piece 33, a feeding barrel 34, a tube chain 35, a motor 36 and an output shaft 37. The rotating shaft 31 is horizontally installed inside the casing 2, the first spiral piece 32 is installed at one end of the rotating shaft 31, the second spiral piece 33 is installed at the other end of the rotating shaft 31, and the first spiral piece 32 and the second spiral piece 33 are symmetrical to each other, the feeding barrel 34 is installed inside the casing 2, and the feeding barrel 34 is located in the middle of the rotating shaft 31, the tube chain 35 is slidably installed inside the feeding barrel 34, the motor 36 is installed at one end of the casing 2, an output shaft 37 is installed on the motor 36, and the output shaft 37 is connected to the rotating shaft 31.

[0057] The motor 36 is the power source of the entire feeding mechanism 3 and is installed at one end of the box body 2. The motor 36 is directly connected to the rotating shaft 31 through the output shaft 37, and the rotational power generated by the motor 36 is transmitted to the rotating shaft 31. Driven by the motor 36, the rotating shaft 31 starts to rotate, and drives the spiral piece installed thereon to rotate, thereby pushing the resin powder in the box body 2 toward the feeding barrel 34.

[0058] In addition, the motor 36 also indirectly drives the tube chain 35 to rotate through the rotating shaft 31, so that the disc 352 on the tube chain 35 slides along a predetermined path inside the feeding barrel 34. The disc 352 conveys a certain amount of resin powder from the bottom to the top of the feeding barrel 34, ensuring the uniform flow of the powder during the entire feeding process, and conveying the powder to the next operation of the production line in a certain amount as required.

[0059] like Figure 3 As shown, a rectangular groove 21 is formed at one end of the box body 2, the motor 36 is located inside the rectangular groove 21, a material trough 22 is formed at the other end of the box body 2, the rotating shaft 31, the first spiral sheet 32 ​​and the second spiral sheet 33 are located inside the material trough 22, an arc groove 23 is formed in the middle of the material trough 22, and the feeding barrel 34 is located inside the arc groove 23.

[0060] A trough 22 is designed at the other end of the box 2 to receive and guide the flow of resin powder. Key components such as a rotating shaft 31, a first spiral sheet 32, and a second spiral sheet 33 are installed inside the trough 22. The rotating shaft 31 is arranged horizontally and extends along the length direction of the trough 22, while the first spiral sheet 32 ​​and the second spiral sheet 33 are fixed at both ends of the rotating shaft 31 respectively. This design allows the spiral sheets to effectively push the resin powder in the trough 22 when the rotating shaft 31 rotates, ensuring that the powder is transported in a concentrated manner in a predetermined direction.

[0061] like Figure 4As shown, a first push block 321 is provided in a circular array with the axis as the center in the middle of the rotating shaft 31, and the first push block 321 is located on the inner side of the first spiral sheet 32; a second push block 331 is provided in a circular array with the axis as the center in the middle of the rotating shaft 31, and the first push block 321 is located on the inner side of the second spiral sheet 33; the first push block 321 and the second push block 331 are parallel to each other and symmetrical about the center point of the rotating shaft 31.

[0062] The first push block 321 and the second push block 331 are both located in the middle of the rotating shaft 31, parallel to each other, and symmetrically distributed with the center point of the rotating shaft 31 as the symmetry axis. This design ensures that the rotating shaft 31 can stably drive the spiral blades and the push blocks during the rotation process, and push the pipe chain 35 to move, so that the entire powder conveying process remains balanced and accurate, thereby achieving uniform quantitative conveying of the resin powder.

[0063] like Figure 5 As shown, the feeding barrel 34 is an N-type structure, and a discharge pipe 341 is provided below the top of the feeding barrel 34, a hose 342 is provided on the discharge pipe 341, a semi-arc tube 343 is provided at the bottom of the feeding barrel 34, and the semi-arc tube 343 is connected to the feeding barrel 34, and an arc-shaped opening 344 is opened inside the semi-arc tube 343.

[0064] The discharge pipe 341 below the top of the feeding barrel 34 allows the powder to be smoothly discharged from the top area after being transported by the feeding barrel 34. A section of hose 342 is connected to the discharge pipe 341. The section of hose 342 has flexible adjustment capabilities and can adapt to different transportation requirements to ensure that the powder is accurately transported to the specified location.

[0065] The semi-arc tube 343 at the bottom of the feeding tube 34 allows the first push block 321 and the second push block 331 on the rotating shaft 31 to extend into the semi-arc tube 343. The rotation of the push block pushes the tube chain 35 inside the semi-arc tube 343, realizing the effective transportation of the powder and making the tube chain 35 circulate in the system.

[0066] The lengths of the first pushing block 321 and the second pushing block 331 are equal to the radius of the semi-arc tube 343 .

[0067] The first pushing block 321 and the second pushing block 331 can enter the interior of the semi-arc tube 343 and push the tube chain 35 to move during the rotation, thereby realizing the transportation of powder.

[0068] like Figure 6As shown, a sliding groove 345 is provided on the outer inner wall of the feeding barrel 34 and the semi-arc tube 343. When the first push block 321 and the second push block 331 push the tube chain 35 to move, the tube chain 35 can smoothly move inside the feeding barrel 34 without getting stuck. Ensuring the free movement of the tube chain 35 can prevent the stagnation of powder or interruption of transportation due to blockage, thereby achieving continuous and stable transportation of resin powder.

[0069] like Figure 7-9 As shown, the tube chain 35 includes a chain 351, a disc 352, a connecting block 353, a flexible chain 354, a connecting rod 355 and a roller 356; a plurality of discs 352 are connected to the chain 351, and connecting blocks 353 are provided on the outer sides of the plurality of discs 352; the flexible chain 354 is slidably mounted on a sliding groove 345 on the outer inner wall of the feeding barrel 34; the outer side of the flexible chain 354 is connected to the connecting block 353; a plurality of connecting rods 355 are installed on the inner side of the flexible chain 354; rollers 356 are installed on the plurality of connecting rods 355, and the rollers 356 slide in the sliding groove 345.

[0070] During the movement of the disc 352, the disc 352 pushes the flexible chain 354 to move on the inner wall of the feeding tube 34 through the connecting block 353. When the flexible chain 354 moves, it drives the roller 356 to slide in the sliding groove 345 through the connecting rod 355. This allows the entire tube chain 35 to continuously circulate inside the feeding tube 34, while pushing the powder to move upward.

[0071] The distance between the outermost sides of the first pushing block 321 and the second pushing block 331 is smaller than the diameter of the disc 352. The first pushing block 321 and the second pushing block 331 can be in full contact with the bottom of the disc 352, thereby effectively pushing the disc 352 to move. In this way, the disc 352 can drive the powder to move upward and smoothly enter the inside of the feeding barrel 34, thereby realizing the rapid transportation and loading of the powder.

[0072] The distance between the adjacent disks 352 is smaller than the distance between the ends of two adjacent first push blocks 321. The first push block 321 and the second push block 331 can precisely match with the adjacent disks 352 on the chain 351 during the rotation process, and each push block corresponds to the corresponding disk 352 one by one. This cooperation ensures that when the push block rotates, it can effectively push each disk 352 in the bottom semi-arc tube 343, thereby driving the powder on the disk 352 to move upward and enter the inside of the feeding barrel 34, thereby achieving smooth feeding and transportation of the powder.

[0073] During the working process of the present invention, when the PVC cable material resin powder is loaded, first, the PVC cable material resin powder is poured into the material trough 22 inside the box body 2, and the motor 36 is started. The motor 36 rotates to drive the rotating shaft 31 to rotate through the output shaft 37. The rotation of the rotating shaft 31 will drive the first spiral piece 32 and the second spiral piece 33 to rotate. The rotation of the first spiral piece 32 and the second spiral piece 33 pushes the powder inside the material trough 22 to move toward the middle.

[0074] At the same time, the rotation of the rotating shaft 31 will drive the first pushing block 321 and the second pushing block 331 to rotate, and contact the bottom of the disc 352 on the tube chain 35, pushing the disc 352 to move, and the chain 351 on the disc 352 will drive other discs 352 and the chain 351 to move, thereby driving the entire tube chain 35 to move, and pushing the powder on the disc 352 into the feeding barrel 34. During the movement of the disc 352, the disc 352 will drive the flexible chain 354 to move on the inner wall of the feeding barrel 34 through the connecting block 353. During the movement, the flexible chain 354 will drive the roller 356 to slide in the sliding groove 345 through the connecting rod 355, so that the entire tube chain 35 circulates in the feeding barrel 34 and drives the powder to move upward. When it moves to the top of the feeding barrel 34, it will be output from the discharge pipe 341 at the top of the feeding barrel 34 and transported to other equipment through the hose 342, thereby completing the quantitative feeding of the PVC cable material resin powder.

[0075] 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 embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. However, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quantitative feeding device for PVC cable material resin powder, comprising: A base (1) and a box body (2), wherein the box body (2) is mounted on the base (1), and the base (1) is characterized in that it also includes a feeding mechanism (3), wherein the feeding mechanism (3) drives the rotating shaft (31) to rotate through a motor (36), and drives the first spiral sheet (32) and the second spiral sheet (33) to rotate, thereby pushing the powder inside the box body (2) to move toward the center. At the same time, the rotating shaft (31) drives the first pushing block (321) and the second pushing block (331) to rotate, and drives the disc (352) on the pipe chain (35) to move, thereby driving the powder on the disc (352) to enter the inside of the feeding barrel (34), and the powder is quantitatively fed through the hose (342).

2. A PVC cable material resin powder quantitative feeding device according to claim 1, characterized in that: The feeding mechanism (3) comprises a rotating shaft (31), a first spiral sheet (32), a second spiral sheet (33), a feeding barrel (34), a pipe chain (35), a motor (36) and an output shaft (37); the rotating shaft (31) is horizontally mounted inside the casing (2); the first spiral sheet (32) is mounted at one end of the rotating shaft (31); the second spiral sheet (33) is mounted at the other end of the rotating shaft (31); the first spiral sheet (32) and the second spiral sheet (33) are symmetrical to each other; the feeding barrel (34) is mounted inside the casing (2); the feeding barrel (34) is located in the middle of the rotating shaft (31); the pipe chain (35) is slidably mounted inside the feeding barrel (34); the motor (36) is mounted at one end of the casing (2); an output shaft (37) is mounted on the motor (36); and the output shaft (37) is connected to the rotating shaft (31).

3. A PVC cable material resin powder quantitative feeding device according to claim 2, characterized in that: A rectangular groove (21) is formed at one end of the box body (2), the motor (36) is located inside the rectangular groove (21), a material trough (22) is formed at the other end of the box body (2), the rotating shaft (31), the first spiral sheet (32) and the second spiral sheet (33) are located inside the material trough (22), an arc groove (23) is formed in the middle of the material trough (22), and the feeding cylinder (34) is located inside the arc groove (23).

4. A PVC cable material resin powder quantitative feeding device according to claim 2, characterized in that: A first pushing block (321) is provided in a circular array with the axis as the center in the middle of the rotating shaft (31), and the first pushing block (321) is located on the inner side of the first spiral plate (32). A second pushing block (331) is provided in a circular array with the axis as the center in the middle of the rotating shaft (31), and the first pushing block (321) is located on the inner side of the second spiral plate (33). The first pushing block (321) and the second pushing block (331) are parallel to each other and symmetrical about the center point of the rotating shaft (31).

5. A quantitative feeding device for PVC cable material resin powder according to claim 2, characterized in that: The feeding barrel (34) is of an N-type structure, and a discharge pipe (341) is provided below the top of the feeding barrel (34), a hose (342) is provided on the discharge pipe (341), a semi-arc-shaped tube (343) is provided at the bottom of the feeding barrel (34), and the semi-arc-shaped tube (343) is connected to the feeding barrel (34), and an arc-shaped opening (344) is provided on the inner side of the semi-arc-shaped tube (343).

6. A quantitative feeding device for PVC cable material resin powder according to claim 5, characterized in that: The lengths of the first pushing block (321) and the second pushing block (331) are equal to the radius of the semi-arc tube (343).

7. A quantitative feeding device for PVC cable material resin powder according to claim 5, characterized in that: Sliding grooves (345) are provided on the outer inner walls of the feeding cylinder (34) and the semi-arc tube (343).

8. A quantitative feeding device for PVC cable material resin powder according to claim 2, characterized in that: The tube chain (35) comprises a chain (351), a disc (352), a connecting block (353), a flexible chain (354), a connecting rod (355) and a roller (356); a plurality of discs (352) are connected to the chain (351), and connecting blocks (353) are provided on the outer sides of the plurality of discs (352); the flexible chain (354) is slidably mounted on a sliding groove (345) on the outer inner wall of the feeding barrel (34); the outer side of the flexible chain (354) is connected to the connecting block (353); a plurality of connecting rods (355) are installed on the inner side of the flexible chain (354); rollers (356) are installed on the plurality of connecting rods (355), and the rollers (356) slide in the sliding groove (345).

9. A quantitative feeding device for PVC cable material resin powder according to claim 8, characterized in that: The distance between the outermost sides of the first pushing block (321) and the second pushing block (331) is smaller than the diameter of the disk (352).

10. A quantitative feeding device for PVC cable material resin powder according to claim 9, characterized in that: The distance between adjacent circular disks (352) is smaller than the distance between two adjacent ends of the first pushing blocks (321).

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