Biodegradable polymer material preparation device

By incorporating a toothed ring and driven gear into the biodegradable polymer material preparation device, the rotational speed of the hollow shaft is periodically varied. Combined with the design of a centrifugal stirring rod and a pulsating plate, the problem of periodic variations in the speed and range of the stirring mechanism is solved, thereby improving mixing efficiency and uniformity, enhancing material collision intensity and agitation, and improving preparation efficiency.

CN223556012UActive Publication Date: 2025-11-18HUANTING TECH (NINGBO) CO LTD
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Patent Information

Application Number
CN202422604658.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-18
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

In existing technologies, the equipment for preparing biodegradable polymer materials has shortcomings in the periodic variation of the stirring mechanism's rotation speed and stirring range, resulting in low mixing efficiency and uniformity, which affects the preparation efficiency of biodegradable polymer materials.

Method used

By setting three toothed rings and three driven rings, the rotation speed of the hollow shaft is made different. This allows for periodic changes in the rotation speed of the hollow shaft. Combined with the design of centrifugal stirring rods and oscillating plates, the stirring efficiency and mixing uniformity of the stirring mechanism are improved.

Benefits of technology

It effectively improves the mixing efficiency and uniformity of biodegradable polymer materials, enhances the collision intensity and agitation between materials, and improves preparation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of biodegradable polymer material preparation, and discloses a biodegradable polymer material preparation device which comprises a preparation tank and further comprises a transmission module, and the transmission module is in transmission connection with a reciprocating frame capable of reciprocating in the axis direction of the preparation tank, a rotatable stirring base and an outer gear sleeve. Three tooth-missing rings which are staggered in height and are sequentially arranged in the clockwise direction are installed on the outer tooth sleeve, and the radiuses and the tooth numbers of the three tooth-missing rings are different. Through the arrangement of the three tooth-missing rings and the three driven gears, the rotating speeds of the three hollow shafts are different, the rotating speeds of the three hollow shafts can periodically change in a set period, and through the arrangement of the rotating speeds of the three hollow shafts, the rotating speed of the three hollow shafts can be effectively improved when biodegradable polymer materials are processed. The agitation degree of the biodegradable polymer material and the mutual collision strength among the materials are improved, so that the reaction and mixing efficiency and the reaction and mixing uniformity of the biodegradable polymer material are effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biodegradable polymer material preparation technology, more specifically, the utility model relates to biodegradable polymer material preparation device. BACKGROUND

[0002] At present, degradable high polymer materials are in the research and development and partial conversion stage, mainly including microbial degradation materials, biodegradable materials, photodegradable materials and chemical degradation materials, among which the biodegradable materials that have both excellent use performance of high polymer materials and complete decomposition and inorganicization after being discarded are the focus.

[0003] In the prior art, the patent document with the publication number CN220075181 U discloses a biodegradable polymer material preparation device, which comprises a plate surface, the upper end of the plate surface is fixedly connected with a mixing barrel, the upper end of the mixing barrel is connected with a barrel cover through clamping, the upper end of the barrel cover is fixedly connected with a support, the opposite sides of the support and the upper end of the barrel cover are both provided with an adjusting assembly, the upper end of the adjusting assembly is provided with a mixing assembly, the upper end of the barrel cover is provided with a circular arc groove, the lower end of the plate surface is fixedly connected with a supporting leg, and the lower end of the supporting leg is provided with a supporting assembly. The above-mentioned device can improve the mixing uniformity of the biodegradable polymer material and improve the practicability and production efficiency of the device while directly mixing the mixing assembly under the rotation of the driven gear. However, the above-mentioned preparation device is not convenient for realizing the periodic change of the rotating speed of the stirring mechanism and the periodic change of the stirring range of the stirring mechanism and improving the fluctuation and agitation of the prepared mixture of the degradable polymer material, thereby not being convenient for improving the preparation efficiency and uniformity of the biodegradable polymer material. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a biodegradable polymer material preparation device, which is provided with three toothless rings and three driven gears, so that the rotating speeds of the three hollow shafts are different and the rotating speeds of the three hollow shafts can change periodically within a set period. Through the different rotating speeds of the three hollow shafts, the agitation degree of the biodegradable polymer material and the mutual collision strength between the materials during the processing of the biodegradable polymer material are effectively improved, thereby effectively improving the reaction, mixing efficiency and uniformity of the biodegradable polymer material.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a biodegradable polymer material preparation device, which comprises a preparation tank and further comprises:

[0006] The transmission module is connected to a reciprocating frame that can reciprocate along the axis of the preparation tank, a rotatable stirring seat, and an outer gear sleeve. The outer gear sleeve is equipped with three toothed rings that are staggered in height and arranged in a clockwise direction. The radii and number of teeth of the three toothed rings are different.

[0007] Three regularly distributed hollow shafts are rotatably connected to a stirring base. Each hollow shaft is equipped with a driven gear at a position corresponding to one of the three toothed rings. The three driven gears have different radii and numbers of teeth. Each driven gear is adapted to and connected to one of the three toothed rings. A centrifugal shaft is connected inside the hollow shaft. The centrifugal shaft is rotatably connected to a reciprocating frame. Multiple sets of regularly distributed centrifugal stirring rods are hinged on the centrifugal shaft.

[0008] The oscillation module, linked to three centrifugal shafts, is used to generate up-and-down oscillations in the liquid within the tank.

[0009] As a preferred embodiment of this utility model, the transmission module includes a bracket connected to the preparation tank, a stirring motor mounted on the bracket, an inner rotating shaft mounted on the top surface of the stirring seat, an outer gear sleeve rotatably sleeved on the inner rotating shaft, an inner bevel gear mounted on the output shaft end of the stirring motor, and side bevel gears mounted on both the inner rotating shaft and the outer gear sleeve. Both side bevel gears are connected to the inner bevel gear in a transmission manner, and the two side bevel gears are respectively located on both sides of the inner bevel gear.

[0010] As a preferred technical solution of this utility model, the transmission module further includes an inner moving ring and a drive shaft rotatably connected to the bracket. A guide rod is fixedly installed on the top surface of the inner moving ring, and the guide rod is slidably connected to the bracket. Both the drive shaft and the outer gear sleeve are equipped with bevel gears, and the two bevel gears mesh with each other. An eccentric transmission block adapted to and connected to the inner moving ring is installed on the drive shaft. A spring is sleeved on each centrifugal shaft at a position corresponding to the inner moving ring and the hollow shaft.

[0011] As a preferred technical solution of this utility model, a hollow groove with openings at both ends is fixedly provided inside the hollow shaft, and a connecting groove section that is slidably connected to the hollow groove is fixedly provided at the top of the centrifugal shaft. The cross-sections of the connecting groove section and the hollow groove are both regular polygons.

[0012] As a preferred embodiment of this utility model, a hinge shaft is provided at the hinge joint between the centrifugal stirring rod and the centrifugal shaft, and the axis of the hinge shaft is perpendicular to the axis of the centrifugal shaft.

[0013] As a preferred technical solution of this utility model, the wave module includes a vibration plate, each centrifugal shaft is rotatably connected to the vibration plate through a bearing, a linkage rod is installed on the vibration plate, a set of wave plates are installed on the linkage rod, and each wave plate is provided with a liquid permeation hole.

[0014] As a preferred technical scheme of the utility model, the upper portion of the preparation tank is communicated with a feeding pipe, the bottom of the preparation tank is communicated with a discharge valve, and the end face of the preparation tank is installed with a single-chip microcomputer.

[0015] As a preferred technical scheme of the utility model, the arc of the three toothless rings is 120°.

[0016] Compared with the prior art, the utility model has the beneficial effects as follows:

[0017] 1、The utility model discloses a preparation, and the stirring motor is set power output rotating speed, and the stirring motor output rotating speed is followed, and the outer gear sleeve rotates, and the outer gear sleeve rotates, and through the setting of three toothless rings and three driven gears, the rotating speed of three hollow shafts is different, and the rotating speed of three hollow shafts can periodically change in the set period, and through the rotating speed of three hollow shafts, the stirring degree of biodegradable polymer material and the mutual collision intensity between materials are effectively improved when biodegradable polymer material is processed, and then the reaction, mixing efficiency and reaction and mixing uniformity of biodegradable polymer material are effectively improved.

[0018] 2、The utility model discloses a hinged structure setting of centrifugal stirrer and centrifugal shaft, so that the included angle between centrifugal stirrer and centrifugal shaft can change with the rotating speed of centrifugal shaft, and when stirring, the rotating speed of three hollow shafts is different, and the rotating speed of three hollow shafts can periodically change in the set period, and then the stirring position of centrifugal stirrer can be periodically changed, so that the reaction and mixing efficiency of biodegradable polymer material are effectively improved.

[0019] 3、The utility model discloses the setting of undulating plate, so that the up and down stirring degree and fluctuation degree of biodegradable polymer material in the preparation tank are effectively improved, and through the improvement of the stirring degree and fluctuation degree of biodegradable polymer material, the mixing efficiency of biodegradable polymer material is effectively improved. ACCURACY OF DRAWINGS

[0020] Figure 1 It is the structure schematic view of biodegradable polymer material preparation device of the utility model;

[0021] Figure 2 It is the structure schematic view of biodegradable polymer material preparation device of the utility model; Figure 1 It is the local amplification structure schematic view of A place in the utility model;

[0022] Figure 3 It is the sectional structure schematic view of the utility model; Figure 1

[0023] Figure 4 It is the local amplification structure schematic view of B place in the utility model; Figure 3 ​​

[0024] Figure 5 For the utility model Figure 3 The partial enlarged structure schematic view at C;

[0025] Figure 6 For the structure schematic view of the utility model guide rod and rotary stirring seat.

[0026] In the figure: 1, preparation tank; 2, reciprocating frame; 3, rotary stirring seat; 4, external tooth sleeve; 5, toothless ring; 6, hollow shaft; 7, driven gear; 8, centrifugal shaft; 9, centrifugal stirring rod; 10, support; 11, stirring motor; 12, inner rotary shaft; 13, inner moving ring; 14, drive shaft; 15, guide rod; 16, eccentric transmission block; 17, spring; 18, connecting groove section; 19, vibration transmission plate; 20, linkage rod; 21, undulating plate; 22, feed pipe; 23, single-chip microcomputer; 24, discharge valve; 25, liquid-permeable hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with 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 labor fall within the protection scope of the utility model.

[0028] As Figures 1 to 6 shown, the utility model provides biodegradable polymer material preparation device, including preparation tank 1, preparation tank 1's upper portion is connected with feed pipe 22, preparation tank 1's positive bottom is connected with discharge valve 24, preparation tank 1's end face is installed with single-chip microcomputer 23, still including:

[0029] Transmission module, transmission module is drivenly connected with reciprocating frame 2 that can reciprocate along the axis direction of preparation tank 1, rotatable rotary stirring seat 3 and external tooth sleeve 4;

[0030] Transmission module includes the support 10 connected with preparation tank 1, and the stirring motor 11 is installed on the support 10, and the inner rotary shaft 12 is installed on the top surface of the rotary stirring seat 3, and the external tooth sleeve 4 is rotatably sleeved on the inner rotary shaft 12, and the output shaft end of the stirring motor 11 is installed with inner bevel gear, and the inner rotary shaft 12 and the external tooth sleeve 4 are all installed with side bevel gear, and the two side bevel gears are all in transmission connection with the inner bevel gear, and the two side bevel gears are respectively arranged on the two sides of the inner bevel gear;

[0031] Through the setting of the inner bevel gear and the two side bevel gears, so that the external tooth sleeve 4 and the inner rotary shaft 12 are in coaxial reverse rotation state;

[0032] Three toothless rings 5 of different heights are installed on the external tooth sleeve 4 and are sequentially arranged in the clockwise direction, and the radii and the number of teeth of the three toothless rings 5 are different.

[0033] The arc of the three toothless rings 5 is 120°;

[0034] Three hollow shafts 6 are regularly distributed and rotationally connected to the rotating stirring base 3, a driven gear 7 is installed on the hollow shaft 6 and corresponds to the position of the three toothless rings 5, the radius and the number of teeth of the three driven gears 7 are different, and the three driven gears 7 are adaptively connected to the three toothless rings 5, respectively;

[0035] When the biodegradable polymer material processing operation is in progress, the stirring motor 11 rotates at a set power output speed, after the stirring motor 11 outputs the rotating speed, the outer gear sleeve 4 rotates, after the outer gear sleeve 4 rotates, through the setting of the three toothless rings 5 and the three driven gears 7, the rotating speeds of the three hollow shafts 6 are different and the rotating speeds of the three hollow shafts 6 can periodically change within a set period, through the different setting of the rotating speeds of the three hollow shafts 6, the stirring degree of the biodegradable polymer material and the strength of the mutual collision between the materials during the biodegradable polymer material processing operation are effectively improved, and then the reaction, mixing efficiency and uniformity of the reaction and mixing of the biodegradable polymer material are effectively improved;

[0036] The centrifugal shaft 8 is connected in the hollow shaft 6, and the centrifugal shaft 8 is rotationally connected to the reciprocating frame 2;

[0037] The hollow shaft 6 is internally fixed to be provided with a hollow groove with two open ends, the top end of the centrifugal shaft 8 is fixedly provided with a joint groove segment 18 which is slidably connected to the hollow groove, and the cross sections of the joint groove segment 18 and the hollow groove are regular polygons;

[0038] Through the regular polygon cross section setting of the joint groove segment 18 and the hollow groove, the hollow shaft 6 can continuously drive the centrifugal shaft 8 during the reciprocating movement of the reciprocating frame 2;

[0039] The transmission module further includes an inner dynamic ring 13 and a driving shaft 14 which is rotationally connected to the support 10, the top surface of the inner dynamic ring 13 is fixedly installed with a guide rod 15, the guide rod 15 is slidably connected to the support 10, the driving shaft 14 and the outer gear sleeve 4 are both installed with bevel gears, the two bevel gears are meshed with each other, the driving shaft 14 is installed with an eccentric transmission block 16 which is adaptively connected to the inner dynamic ring 13, and each centrifugal shaft 8 is sleeved with a spring 17 at a position corresponding to the inner dynamic ring 13 and the hollow shaft 6;

[0040] When the stirring motor 11 is in operation, the driving shaft 14 rotates at a set speed, after the driving shaft 14 rotates, the setting of the barrel eccentric transmission block 16 and the spring 17 enables the inner dynamic ring to reciprocate within a set stroke;

[0041] A plurality of regularly distributed centrifugal stirring rods 9 are hinged on the centrifugal shaft 8;

[0042] The hinge shaft is perpendicular to the axis of the centrifugal shaft 8;

[0043] The hinge structure between the centrifugal stirrer 9 and the centrifugal shaft 8 is arranged, so that the included angle between the centrifugal stirrer 9 and the centrifugal shaft 8 can change with the rotating speed of the centrifugal shaft 8, and the rotating speeds of the three hollow shafts 6 are different and can periodically change in a set period during stirring, so that the stirring position of the centrifugal stirrer 9 can periodically change, thereby effectively improving the reaction and mixing efficiency of the biodegradable polymer material;

[0044] The fluctuation module is connected with the three centrifugal shafts 8 and is used for generating up-down fluctuation of the liquid in the preparation tank 1.

[0045] The fluctuation module comprises a vibration transmission plate 19, each centrifugal shaft 8 is rotationally connected with the vibration transmission plate 19 through a bearing, the vibration transmission plate 19 is provided with a linkage rod 20, the linkage rod 20 is provided with a group of fluctuation plates 21, and each fluctuation plate 21 is provided with a liquid permeable hole 25.

[0046] The arrangement of the fluctuation plate 21 effectively improves the up-down fluctuation degree of the biodegradable polymer material in the preparation tank 1, and the mixing efficiency of the biodegradable polymer material is improved through the improvement of the fluctuation degree of the biodegradable polymer material;

[0047] The working principle and the use process of the utility model are as follows:

[0048] Before the preparation operation, the multiple raw materials and preparation liquid for the preparation of the biodegradable polymer material are poured into the interior of the preparation tank 1 through the feeding pipe 22, and during the preparation, the stirring motor 11 rotates at a set power output speed, and after the output speed of the stirring motor 11, the outer gear sleeve 4 rotates, and after the rotation of the outer gear sleeve 4, the rotation speeds of the three hollow shafts 6 are different and the rotation speeds of the three hollow shafts 6 can periodically change within a set period through the setting of the three missing gear rings 5 and the three driven gears 7, and the rotation speeds of the three hollow shafts 6 are different through the setting, thereby effectively improving the agitation degree of the biodegradable polymer material and the collision strength between the materials during the processing of the biodegradable polymer material, and in turn effectively improving the reaction, mixing efficiency and uniformity of the reaction and mixing of the biodegradable polymer material, and the angle between the centrifugal stirrer 9 and the centrifugal shaft 8 can change with the rotation speed of the centrifugal shaft 8 through the hinged structure setting of the centrifugal stirrer 9 and the centrifugal shaft 8, and during the stirring, the rotation speeds of the three hollow shafts 6 are different and the rotation speeds of the three hollow shafts 6 can periodically change within a set period, and in turn the stirring position of the centrifugal stirrer 9 can periodically change, thereby effectively improving the reaction and mixing efficiency of the biodegradable polymer material, and the up-and-down agitation degree and fluctuation degree of the biodegradable polymer material in the preparation tank 1 are effectively improved through the setting of the fluctuation plate 21, and through the improvement of the agitation degree and fluctuation degree of the biodegradable polymer material, in turn the mixing efficiency of the biodegradable polymer material is effectively improved.

[0049] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0050] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Apparatus for the production of biodegradable polymeric material comprising a production tank (1), characterised in that, Also include: Transmission module, the transmission module is drivenly connected with reciprocating frame (2) that can reciprocate along the axis direction of preparation tank (1), rotatable rotary stirring seat (3) and outer gear sleeve (4), three missing tooth rings (5) of different height and arranged in sequence in clockwise direction are installed on outer gear sleeve (4), the radius and the number of teeth of three missing tooth rings (5) are different; Three regularly distributed hollow shafts (6) are rotatably connected to rotary stirring seat (3), hollow shaft (6) is rotatably connected to rotary stirring seat (3), and driven gear (7) is installed on hollow shaft (6) and corresponds to the position of three missing tooth rings (5), the radius and the number of teeth of three driven gears (7) are different, three driven gears (7) are respectively connected with three missing tooth rings (5), hollow shaft (6) is connected with centrifugal shaft (8) in the inside, centrifugal shaft (8) is rotatably connected with reciprocating frame (2), and a plurality of regularly distributed centrifugal stirring rods (9) are hinged on centrifugal shaft (8). The fluctuation module is linked with three centrifugal shafts (8) and is used for the up and down fluctuation of the liquid in the preparation tank (1).

2. The biodegradable polymeric material preparation apparatus according to claim 1, wherein: The transmission module includes a support (10) connected with the preparation tank (1), a stirring motor (11) is installed on the support (10), an inner rotary shaft (12) is installed on the top surface of the rotary stirring seat (3), the outer gear sleeve (4) is rotatably arranged on the inner rotary shaft (12), an inner bevel gear is installed on the output shaft end of the stirring motor (11), side bevel gears are installed on the inner rotary shaft (12) and the outer gear sleeve (4), and the two side bevel gears are in transmission connection with the inner bevel gear.

3. The biodegradable polymeric material preparation apparatus according to claim 2, wherein: The transmission module further includes an inner moving ring (13) and a driving shaft (14) rotatably connected to the support (10), a guide rod (15) is fixedly installed on the top surface of the inner moving ring (13), the guide rod (15) is in sliding connection with the support (10), umbrella gears are installed on the driving shaft (14) and the outer gear sleeve (4), the two umbrella gears are in meshing with each other, an eccentric transmission block (16) is installed on the driving shaft (14) and is in adaptive connection with the inner moving ring (13), and a spring (17) is arranged on each centrifugal shaft (8) and corresponds to the position between the inner moving ring (13) and the hollow shaft (6).

4. The biodegradable polymeric material preparation apparatus according to claim 3, wherein: The inside of the hollow shaft (6) is fixedly provided with a hollow groove with two open ends, the top end of the centrifugal shaft (8) is fixedly provided with a joint groove segment (18) in sliding connection with the hollow groove, and the cross sections of the joint groove segment (18) and the hollow groove are regular polygons.

5. The biodegradable polymeric material preparation apparatus according to claim 1, wherein: A hinge shaft is arranged at the hinged position of the centrifugal stirring rod (9) and the centrifugal shaft (8), and the axis of the hinge shaft is perpendicular to the axis of the centrifugal shaft (8).

6. The biodegradable polymeric material preparation apparatus according to claim 4, wherein: The fluctuation module includes a transmission plate (19), each centrifugal shaft (8) is rotatably connected with the transmission plate (19) through a bearing, a linkage rod (20) is installed on the transmission plate (19), a group of fluctuation plates (21) are installed on the linkage rod (20), and a liquid-permeable hole (25) is formed in each fluctuation plate (21).

7. The biodegradable polymeric material preparation apparatus according to claim 1, wherein: The upper portion of the preparation tank (1) is communicated with a feeding pipe (22), the normal bottom of the preparation tank (1) is communicated with a discharging valve (24), and the end face of the preparation tank (1) is installed with a single-chip microcomputer (23).

8. The biodegradable polymeric material preparation apparatus according to claim 1, wherein: The arc of each of the three toothless rings (5) is 120°.

Citation Information

Patent Citations

  • Biodegradable polymer material preparation device

    CN220075181U