Raw material mixing equipment for PU synthetic leather production

Abstract

The utility model relates to raw material mixing equipment for PU (polyurethane) synthetic leather production, which belongs to the technical field of PU synthetic leather production and comprises a processing box, a stirring mechanism is arranged in the processing box, circulating mechanisms are arranged on two sides of the processing box, and a discharging mechanism is arranged at the bottom of the processing box. The mixing device has the beneficial effects that by arranging the stirring mechanism, when the mixing device is used, a switch of the motor is turned on, so that the stirring shaft drives the mounting frame and the lantern ring to rotate, the mixing blades rotate by taking the rotating shaft as the center under the action of particle flowing, and particles are uniformly stirred and mixed; according to the PU synthetic leather mixing device, the rotating shaft serves as the center, mixing is conducted in the horizontal direction and the vertical direction, the raw material mixing effect of PU synthetic leather is better, raw material particles of the PU synthetic leather are not prone to being accumulated at a certain position, then the raw material particles are distributed more evenly, the synthetic effect of the PU synthetic leather is better, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PU synthetic leather production technical field, specifically is a kind of raw material mixing equipment for PU synthetic leather production. BACKGROUND

[0002] Urethane (PU), full name is polyurethane, is by polyol and polyisocyanate is formed by condensation polymerization and the high polymer material of excellent mechanical property, plasticity is extremely strong. Its synthesis can be traced back to 1937, Byaer professor with 1,6-hexane diisocyanate and 1,4-butanediol as raw material, first synthesized linear polyurethane resin. Several main classifications of polyurethane include polyether type, polyester type, polyimide type, polyurea type etc., they can be made into polyurethane plastic (mainly foamed plastic), polyurethane fiber (China is called spandex), polyurethane rubber and elastomer etc. Material.

[0003] PU synthetic leather needs to be mixed after a plurality of raw materials in production process, then heating melting, and then the PU melt or dissolution solution produced is formed processing.

[0004] The raw material mixing equipment for PU synthetic leather production of prior art has the following shortcomings: the stirring mode is relatively single, only one-way stirring mixing is provided, and then raw materials are prone to accumulate in a certain place, and then uneven distribution of raw materials is caused, so that the production effect of PU synthetic leather is poor, the scrap rate is high, and the production and use of PU synthetic leather are not conducive. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model provides a raw material mixing equipment for PU synthetic leather production, which has a stirring mechanism to solve the problems of the raw material mixing equipment for PU synthetic leather production of prior art, such as single stirring mode, one-way stirring mixing, raw material accumulation in a certain place, uneven distribution of raw materials, poor production effect of PU synthetic leather, high scrap rate and poor production and use of PU synthetic leather.

[0006] The technical scheme of the utility model is as follows: a raw material mixing equipment for PU synthetic leather production, comprising a processing box, a stirring mechanism is arranged in the processing box, a circulating mechanism is arranged on both sides of the processing box, and a discharging mechanism is arranged at the bottom of the processing box.

[0007] The stirring mechanism comprises a motor, a stirring shaft, a mounting frame, a sleeve ring, a rotating shaft, mixing blades, a mounting ring, a rotating shaft, a connecting rod and stirring blades, the motor is fixedly installed on the top of the processing box, the output end of the motor is fixedly connected with the stirring shaft, the mounting frame is fixedly installed outside the stirring shaft, the upper and lower ends of the rotating shaft are movably inserted into the inner portions of the upper and lower walls of the mounting frame respectively, the mixing blades are fixedly installed outside the rotating shaft, the sleeve ring is fixedly sleeved outside the stirring shaft, one end of the connecting rod is fixedly connected with the sleeve ring, the other end of the connecting rod is fixedly connected with the mounting ring, one end of the rotating shaft is movably inserted into the inner portion of the sleeve ring, the other end of the rotating shaft is movably inserted into the inner portion of the mounting ring, and the stirring blades are fixedly installed outside the rotating shaft.

[0008] Further, the bottom of the processing box is fixedly installed with supporting legs, and the bottom end of the supporting legs is fixedly installed with a foot pad.

[0009] Further, the circulating mechanism comprises a circulating pipe, a material pump and a material pipe, the material pump is fixedly installed on the outer walls on the two sides of the processing box, the input end of the material pump is communicated with the material pipe, and the other end of the material pipe is communicated with the processing box.

[0010] Further, one end of the circulating pipe is communicated with the output end of the material pump, and the other end of the circulating pipe is communicated with the inner portion of the processing box.

[0011] Further, the discharging mechanism comprises a backing plate, a scraper, an electric push rod and a baffle, the backing plate is fixedly installed on the inner wall of the bottom of the processing box, the electric push rod is fixedly installed in the inner portion of the backing plate, the output end of the electric push rod is fixedly connected with the baffle, the top of the baffle is provided with a plug-in block, the backing plate and the bottom wall of the processing box are provided with a discharging hole, the plug-in block is sealingly plugged into the inner portion of the discharging hole, and the scraper is fixedly installed outside the stirring shaft.

[0012] Further, the inner wall of the processing box is fixedly installed with a partition plate, and the partition plate is located at the middle portion between the mounting frame and the mounting ring, and the top of the processing box is provided with a feeding hopper.

[0013] The utility model discloses an improved raw material mixing equipment for PU synthetic leather production, which has the following improvements and advantages compared with the prior art.

[0014] By being provided with the stirring mechanism, when in use, the switch of the motor is opened, so that the stirring shaft drives the mounting frame and the collar to rotate, so that the mixing blade rotates around the rotating shaft under the action of the particle flow, thereby stirring and uniformly mixing the particles, and similarly, the stirring blade rotates around the rotating shaft under the action of the particle flow, and the horizontal and vertical directions are adopted to mix in two different ways, so that the raw material mixing effect of the PU synthetic leather is better, the raw material particles of the PU synthetic leather are not easy to accumulate in a certain place, thereby making the raw material particles more uniformly distributed, so that the synthesis effect of the PU synthetic leather is better, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model makes further explanation below combining with the drawing and the embodiment:

[0016] Figure 1 It is the three-dimensional schematic view of the utility model;

[0017] Figure 2 It is the sectional view schematic view of the utility model;

[0018] Figure 3 It is the front view schematic view of the utility model;

[0019] Figure 4 It is the stirring mechanism three-dimensional schematic view of the utility model;

[0020] The drawing mark explanation: 1, processing box;2, support leg;3, foot pad;4, material pipe;5, material pump;6, circulating pipe;7, motor;8, feed hopper;9, stirring shaft;10, mounting frame;11, partition plate;12, scraper;13, backing plate;14, discharge hole;15, electric push rod;16, baffle;17, rotating shaft;18, mixing blade;19, mounting ring;20, rotating shaft;21, connecting rod;22, stirring blade. DETAILED DESCRIPTION

[0021] The following will combine the drawing and the embodiment of the utility model, Figures 1 to 4 The utility model makes detailed explanation, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment only is a part embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0022] The utility model improves and provides a kind of raw material mixing equipment for PU synthetic leather production, which Figures 1-4 As shown in the drawing, it comprises processing box 1, the inside of processing box 1 is provided with stirring mechanism, the two sides of processing box 1 are provided with circulating mechanism, and the bottom of processing box 1 is provided with discharge mechanism;

[0023] The stirring mechanism comprises a motor 7, a stirring shaft 9, a mounting frame 10, a sleeve ring, a rotating shaft 17, mixing blades 18, a mounting ring 19, a rotating shaft 20, a connecting rod 21 and stirring blades 22, the motor 7 is fixedly installed on the top of the processing box 1, the output end of the motor 7 is fixedly connected with the stirring shaft 9, the mounting frame 10 is fixedly installed on the outside of the stirring shaft 9, the upper and lower ends of the rotating shaft 17 are movably inserted into the inside of the upper and lower walls of the mounting frame 10 respectively, the mixing blades 18 are fixedly installed on the outside of the rotating shaft 17, the sleeve ring is fixedly sleeved on the outside of the stirring shaft 9, one end of the connecting rod 21 is fixedly connected with the sleeve ring, the other end of the connecting rod 21 is fixedly connected with the mounting ring 19, one end of the rotating shaft 20 is movably inserted into the inside of the sleeve ring, the other end of the rotating shaft 20 is movably inserted into the inside of the mounting ring 19, and the stirring blades 22 are fixedly installed on the outside of the rotating shaft 20. By being provided with the stirring mechanism, when in use, the switch of the motor 7 is turned on, so that the mounting frame 10 and the sleeve ring are driven to rotate by the stirring shaft 9, the mixing blades 18 are caused to rotate around the rotating shaft 17 under the action of the flow of the particles, and the particles are stirred and mixed uniformly. In the same way, the stirring blades 22 are caused to rotate around the rotating shaft 20 under the action of the flow of the particles, and the particles are mixed in two different ways of horizontal and vertical directions, so that the mixing effect of the raw materials of the PU synthetic leather is better, the raw material particles of the PU synthetic leather are not easy to accumulate in a certain place, the distribution of the raw material particles is more uniform, the synthesis effect of the PU synthetic leather is better, and the product quality is improved.

[0024] The bottom of the processing box 1 is fixedly installed with support legs 2, the bottom end of the support legs 2 is fixedly installed with foot pads 3, the inner wall of the processing box 1 is fixedly installed with a partition plate 11, and the partition plate 11 is located at the middle of the mounting frame 10 and the mounting ring 19, and the top of the processing box 1 is provided with a feeding hopper 8. The raw materials are added into the processing box 1 through the feeding hopper 8. The partition plate 11 is beneficial to buffering the flow efficiency of the particles, so that the residence time of the particles is longer, the mixing time is increased, the mixing of the particles is more thorough, the device is externally connected with a power supply to provide electric energy for the device, and the device is externally connected with a controller, and the controller is electrically connected with the motor 7, the electric push rod 15 and the material pump 5.

[0025] The circulating mechanism comprises a circulating pipe 6, a material pump 5 and a material pipe 4, the material pump 5 is fixedly installed on the two side walls of the processing box 1, the input end of the material pump 5 is communicated with the material pipe 4, the other end of the material pipe 4 is communicated with the processing box 1, one end of the circulating pipe 6 is communicated with the output end of the material pump 5, and the other end of the circulating pipe 6 is communicated with the inside of the processing box 1. When in use, the switch of the material pump 5 is turned on, so that the particles that do not meet the requirements can re-enter the processing box 1 through the material pipe 4 and the circulating pipe 6 to perform the mixing operation again, the material waste is avoided, the raw materials can be quickly processed twice, and the use efficiency of the raw materials is improved.

[0026] The discharging mechanism comprises a backing plate 13, a scraper 12, an electric push rod 15 and a baffle 16, the backing plate 13 is fixedly installed on the inner wall of the bottom of the processing box 1, the electric push rod 15 is fixedly installed in the interior of the backing plate 13, the output end of the electric push rod 15 is fixedly connected with the baffle 16, the top of the baffle 16 is provided with a plug-in block, the backing plate 13 and the bottom wall of the processing box 1 are provided with a discharging hole 14, the plug-in block is sealingly plugged into the interior of the discharging hole 14, the scraper 12 is fixedly installed on the exterior of the stirring shaft 9, in use, the switch of the electric push rod 15 is turned on, so that the electric push rod 15 drives the baffle 16 to move, so that the installation and dismounting of the plug-in block can be controlled, and then the discharging of the material can be controlled, and the scraper 12 can make the raw material enter the discharging hole 14 and be discharged quickly.

[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A raw material mixing device for PU synthetic leather production, comprising a processing box (1), characterized in that: The inside of the processing box (1) is provided with a stirring mechanism, both sides of the processing box (1) are provided with a circulating mechanism, and the bottom of the processing box (1) is provided with a discharging mechanism. The stirring mechanism comprises a motor (7), a stirring shaft (9), a mounting frame (10), a sleeve ring, a rotating shaft (17), a mixing blade (18), a mounting ring (19), a rotating shaft (20), a connecting rod (21) and a stirring blade (22), the motor (7) is fixedly installed at the top of the processing box (1), the output end of the motor (7) is fixedly connected with the stirring shaft (9), the mounting frame (10) is fixedly installed outside the stirring shaft (9), the upper and lower ends of the rotating shaft (17) are movably inserted into the inside of the upper and lower walls of the mounting frame (10) respectively, the mixing blade (18) is fixedly installed outside the rotating shaft (17), the sleeve ring is fixedly sleeved outside the stirring shaft (9), one end of the connecting rod (21) is fixedly connected with the sleeve ring, the other end of the connecting rod (21) is fixedly connected with the mounting ring (19), one end of the rotating shaft (20) is movably inserted into the inside of the sleeve ring, the other end of the rotating shaft (20) is movably inserted into the inside of the mounting ring (19), and the stirring blade (22) is fixedly installed outside the rotating shaft (20).

2. The raw material mixing apparatus for PU synthetic leather production according to claim 1, characterized in that: The bottom of the processing box (1) is fixedly installed with supporting legs (2), and the bottom end of the supporting leg (2) is fixedly installed with a foot pad (3).

3. The raw material mixing apparatus for PU synthetic leather production according to claim 1, characterized in that: The circulating mechanism comprises a circulating pipe (6), a material pump (5) and a material pipe (4), the material pump (5) is fixedly installed on the outer wall of both sides of the processing box (1), the input end of the material pump (5) is communicated with the material pipe (4), and the other end of the material pipe (4) is communicated with the processing box (1).

4. The raw material mixing apparatus for PU synthetic leather production according to claim 3, characterized in that: One end of the circulating pipe (6) is communicated with the output end of the material pump (5), and the other end of the circulating pipe (6) is communicated with the inside of the processing box (1).

5. The raw material mixing apparatus for PU synthetic leather production according to claim 1, characterized in that: The discharging mechanism comprises a backing plate (13), a scraper (12), an electric push rod (15) and a baffle (16), the backing plate (13) is fixedly installed on the inner wall of the bottom of the processing box (1), the electric push rod (15) is fixedly installed in the inside of the backing plate (13), the output end of the electric push rod (15) is fixedly connected with the baffle (16), the top of the baffle (16) is provided with a plug-in block, the backing plate (13) and the bottom wall of the processing box (1) are provided with a discharging hole (14), the plug-in block is sealingly plugged into the inside of the discharging hole (14), and the scraper (12) is fixedly installed outside the stirring shaft (9).

6. The raw material mixing apparatus for PU synthetic leather production according to claim 1, characterized in that: The inner wall of the processing box (1) is fixedly installed with a partition plate (11), which is located at the middle of the mounting frame (10) and the mounting ring (19), and the top of the processing box (1) is provided with a feeding hopper (8).

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