Pigment kneading equipment

By combining anti-bubble and heat exchange mechanisms, the problems of frictional heat and oxidation in pigment kneading devices are solved, achieving efficient pigment transport and dispersion, and improving production efficiency and quality.

CN223587046UActive Publication Date: 2025-11-25SHANDONG HUABAO PIGMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423197125.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-25
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing pigment kneading devices generate heat due to friction during the mixing process, which leads to a decrease in pigment performance. Furthermore, external gases can easily oxidize the pigment, affecting production efficiency and quality.

Method used

It employs an anti-bubble mechanism and a heat exchange mechanism. The internal pressure is reduced by a vacuum pump, and the internal and external pressures are balanced by a hydraulic cylinder. Combined with a heat exchanger and heat exchange tubes, the pigment is heated in contact, which reduces bubbles and oxidation, and improves pigment delivery efficiency and dispersibility.

Benefits of technology

It effectively protects pigments from oxidation, reduces bubble formation, improves pigment delivery efficiency and dispersibility, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223587046U_ABST
    Figure CN223587046U_ABST
Patent Text Reader

Abstract

The utility model discloses pigment kneading equipment which comprises a first driving motor and a second driving motor which are arranged on a floor, the floor is fixedly connected with a rack, the pigment kneading equipment further comprises an anti-bubble mechanism and a heat exchange mechanism, the anti-bubble mechanism is arranged on the floor, and the heat exchange mechanism is arranged on the lower side of the anti-bubble mechanism; the anti-bubble mechanism comprises a vacuum pump, and the vacuum pump is fixedly connected to the floor; according to pigment kneading equipment, a pushing block moves in the direction far away from a hydraulic cylinder through the hydraulic cylinder, the space is compressed, the internal pressure of a rack is increased, the internal pressure and the external pressure are balanced, the pressure is balanced by compressing the internal space, discharging is conducted in a relatively closed environment, and contact between air and pigment is reduced; the pigment is protected from being oxidized and bubbles are generated in the pigment, the quality and performance of the pigment are maintained, meanwhile, pigment backflow caused by high internal and external pressure is avoided, and therefore the internal conveying efficiency of the rack is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to pigment kneading technical field, specifically a kind of pigment kneading equipment. BACKGROUND

[0002] Kneading method is one of the commonly used methods for pigment modification, and the kneader is a necessary machine for modifying the pigment by using the kneading method. The working principle of the kneader is to apply energy to the water-containing pigment by mechanical stirring in the presence of an organic solvent, so as to change the crystal lattice of the pigment or change the surface shape, or remove the water in the pigment. The latter process is also known as water removal and phase inversion.

[0003] The existing pigment kneading device includes an auger disc and a fan blade, a balance valve, and uses the fan blade to stir and react the pigment. The stirred pigment is transported to the desired position through the auger disc. However, the stirring paddle will generate strong friction with the pigment during rotation, thereby generating heat, causing local overheating, and further leading to a decrease in the performance of the pigment, which reduces the dispersibility of the pigment and affects the production efficiency. In addition, when the pressure difference between the inside and outside of the device is large, the output efficiency of the device decreases. The existing device releases gas through the balance valve to balance the pressure inside and outside, but the released gas is prone to flow and mix with the pigment to generate bubbles, thereby reducing the quality and performance of the pigment, and the external gas may oxidize some easily oxidizable pigments.

[0004] Therefore, the utility model provides a kind of pigment kneading equipment to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of pigment kneading equipment, which solves the above problems.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a kind of pigment kneading equipment, including the first drive motor and the second drive motor being set on the floor, the floor is fixedly connected with rack, further including anti-bubble mechanism and heat exchange mechanism, the anti-bubble mechanism is set on the floor, the heat exchange mechanism is set on the downside of anti-bubble mechanism;

[0007] The anti-bubble mechanism includes a vacuum pump, the vacuum pump is fixedly connected on the floor, the vacuum pump is communicated with exhaust pipe, the exhaust pipe is communicated on the rack at the end away from the vacuum pump, the rack side end is provided with connecting plate, the connecting plate is provided with hydraulic cylinder;

[0008] The heat exchange mechanism includes an inner side plate and a heat exchanger, the inner side plate is fixedly connected on the rack, the inner side plate is provided with heat exchange pipe, the heat exchange pipe is communicated with the heat exchanger.

[0009] Preferably, the first driving motor output end is fixedly connected with a speed reducer, one end of the speed reducer away from the first driving motor is fixedly connected with a first rotating shaft, the first rotating shaft is fixedly connected with a first gear, the first gear is meshingly connected with a second gear outside, the second gear is fixedly connected with a second rotating shaft, and the second rotating shaft and the first rotating shaft are both rotationally connected to the rack.

[0010] Preferably, the anti-bubble mechanism further comprises a square groove, the square groove is arranged at the side end of the rack, the front end of the hydraulic cylinder is fixedly connected with a push block, and the push block is slidingly connected in the square groove.

[0011] Preferably, a sealing layer is arranged in the push block, a filter screen square plate is fixedly connected to one end of the square groove away from the hydraulic cylinder, and a connecting cover is fixedly connected to the rack.

[0012] Preferably, a pressure sensor is fixedly connected to the inner side of the connecting cover, a balance valve is arranged on the connecting cover, a valve is arranged on the exhaust pipe, a filter screen round plate is arranged on the rack, and the filter screen round plate is arranged at the connecting position of the exhaust pipe and the rack.

[0013] Preferably, the second driving motor output end is provided with a sprocket assembly, the sprocket assembly is fixedly connected with a third rotating shaft, the third rotating shaft is rotationally connected to the rack, the third rotating shaft is fixedly connected with an auger disc, the auger disc is arranged on the inner side of the inner side plate, and the first rotating shaft and the second rotating shaft are fixedly connected with fan blades on the outer sides.

[0014] Preferably, the sprocket assembly comprises a first sprocket, a second sprocket and a chain, and the first sprocket and the second sprocket are meshed in the chain.

[0015] Beneficial effects:

[0016] The utility model provides a kind of pigment kneading equipment.Compared with prior art, it has the following beneficial effects:

[0017] (1) a kind of pigment kneading equipment, by hydraulic cylinder, push block is moved to the direction away from hydraulic cylinder, compresses space, so that the pressure inside rack is increased, the pressure inside and outside is balanced, the pressure inside space is balanced using compression, discharging is carried out in relatively closed environment, reduce the contact of air and pigment, protect pigment from oxidation and bubble generation in pigment, maintain pigment quality and performance, simultaneously, avoid the pressure inside and outside is big, lead to pigment backflow, to improve the conveying efficiency inside rack.

[0018] (2) a kind of pigment kneading equipment, by heat exchanger and heat exchange pipe to inner side plate heat exchange, utilize the contact type heating of inner side plate to pigment, to improve pigment dispersibility, reduce the viscosity difference between pigment and solvent, by uniform heating, reduce the reaction time of stirring, improve production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall device side view of the utility model;

[0020] Figure 2 is the overall internal structure side view of the utility model;

[0021] Figure 3 is the overall internal structure oblique side view of the utility model;

[0022] Figure 4 is the connecting cover structure side view of the utility model;

[0023] Figure 5 is the overall device view of the utility model;

[0024] Figure 6 is the heat exchange mechanism structure side view of the utility model;

[0025] Figure 7 is the overall internal mechanism plan view of the utility model.

[0026] 1, floor; 2, first drive motor; 3, second drive motor; 4, speed reducer; 5, first rotating shaft; 6, second rotating shaft;

[0027] Bubble prevention mechanism: 71, vacuum pump; 72, exhaust pipe; 73, pressure sensor; 74, valve; 75, balance valve; 76, filter screen round plate; 77, hydraulic cylinder; 78, square groove; 79, filter screen square plate; 791, push block; 792, connecting plate; 793, connecting cover;

[0028] Heat exchange mechanism: 81, inner side plate; 82, heat exchange pipe; 83, auger disc; 84, fan blade; 85, chain wheel assembly; 86, heat exchanger; 87, third rotating shaft;

[0029] 9, first gear; 10, second gear; 11, rack. DETAILED DESCRIPTION

[0030] 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 labor fall within the protection scope of the utility model.

[0031] Embodiment one:

[0032] Please refer to Figures 1-7The application discloses a pigment kneading device which comprises a first driving motor 2 and a second driving motor 3 arranged on a floor 1, a rack 11 fixedly connected to the floor 1, an anti-bubble mechanism arranged on the floor 1 and a heat exchange mechanism arranged on the lower side of the anti-bubble mechanism.

[0033] The anti-bubble mechanism comprises a vacuum pump 71 fixedly connected to the floor 1, and a discharge pipe 72 in communication with the vacuum pump 71, wherein one end of the discharge pipe 72 away from the vacuum pump 71 is in communication with the rack 11, and a connecting plate 792 is arranged on the side end of the rack 11, and a hydraulic cylinder 77 is arranged on the connecting plate 792.

[0034] The heat exchange mechanism comprises an inner side plate 81 fixedly connected to the rack 11, and a heat exchanger 86, and a heat exchange pipe 82 is arranged in the inner side plate 81 and in communication with the heat exchanger 86.

[0035] The output end of the first driving motor 2 is fixedly connected with a speed reducer 4, one end of the speed reducer 4 away from the first driving motor 2 is fixedly connected with a first rotating shaft 5, the first rotating shaft 5 is fixedly connected with a first gear 9, the outer side of the first gear 9 is meshingly connected with a second gear 10, the second gear 10 is fixedly connected with a second rotating shaft 6, and the first rotating shaft 5 and the second rotating shaft 6 are both rotationally connected to the rack 11.

[0036] The anti-bubble mechanism further comprises a square groove 78 arranged on the side end of the rack 11, and a push block 791 fixedly connected to the front end of the hydraulic cylinder 77 and slidingly connected in the square groove 78.

[0037] The push block 791 is provided with a sealing layer, one end of the square groove 78 away from the hydraulic cylinder 77 is fixedly connected with a filter screen square plate 79, and a connecting cover 793 is fixedly connected to the rack 11.

[0038] The inner side of the connecting cover 793 is fixedly connected with a pressure sensor 73, the connecting cover 793 is provided with a balance valve 75, the discharge pipe 72 is provided with a valve 74, the rack 11 is provided with a filter screen circular plate 76, and the filter screen circular plate 76 is arranged at the connection position of the discharge pipe 72 and the rack 11.

[0039] Working process: by placing the pigment in the rack 11, closing the connecting cover 793, opening the valve 74, starting the vacuum pump 71, pumping through the exhaust pipe 72, reducing the air pressure in the rack 11, generating negative pressure, starting the first drive motor 2 and the second drive motor 3, so that the first drive motor 2 is decelerated by the reducer 4, drives the first gear 9 to rotate, the first gear 9 is engaged with the second gear 10 to drive the first rotating shaft 5 and the second rotating shaft 6 to rotate, the first rotating shaft 5 and the second rotating shaft 6 drive the fan blade 84 to rotate, stir the pigment in the rack 11, and then drive the third rotating shaft 87 to rotate through the second drive motor 3 and the sprocket assembly 85, so that the auger disc 83 delivers the pigment to the outside container. When the vapor pocket is generated, the pressure sensor 73 senses the change of air pressure, the vacuum pump 71 is started to exhaust the gas, and the valve 74 is closed. When the internal and external pressure changes, it is difficult for the auger disc 83 to deliver the pigment, the hydraulic cylinder 77 is started, the push block 791 moves away from the hydraulic cylinder 77, the space is compressed, the internal pressure of the rack 11 is increased, the compressed internal space is used to balance the pressure, the discharge is carried out in the relatively closed environment, the contact between air and pigment is reduced, part of the pigment is protected from oxidation, and air bubbles are avoided in the pigment, so as to ensure the quality of the pigment. At the same time, avoid the internal and external pressure being too high, so as to improve the delivery efficiency of the rack 11.

[0040] When the internal stirring reaction of the fixed frame 11 is finished, the pressure is balanced through the balance valve 75, so that the connecting cover 793 can be easily opened.

[0041] Example two:

[0042] Please refer to Figures 1-7 , the embodiment provides a pigment kneading equipment technical scheme based on example one: the second drive motor 3 is provided with a sprocket assembly 85, the sprocket assembly 85 is fixedly connected with a third rotating shaft 87, the third rotating shaft 87 is rotatably connected to the rack 11, the third rotating shaft 87 is fixedly connected with an auger disc 83, the auger disc 83 is arranged in the inner side of the inner side plate 81, and the first rotating shaft 5 and the second rotating shaft 6 are fixedly connected with the fan blade 84.

[0043] Working process: by rotating the first rotating shaft 5 and the second rotating shaft 6, the fan blade 84 continuously stirs the pigment in the rack 11, the friction between the fan blade 84 and the pigment and the shearing action inside the pigment will generate heat, the heat exchanger 86 and the heat exchange pipe 82 are used for heat exchange with the inner side plate 81, and the inner side plate 81 is used for contact heating of the pigment, so as to improve the dispersibility of the pigment, reduce the viscosity difference between the pigment and the solvent, uniformly heat through heat exchange, reduce the stirring reaction time, and improve the production efficiency.

[0044] Obviously, the hydraulic cylinder is equipped with a corresponding hydraulic pump station to ensure its normal work. It is a routine setting in the field to equip the hydraulic cylinder with a hydraulic pump station, which will not be described here again. Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0045] It should be noted that, in this text, relational terms such as first and second are used only to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0046] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pigment kneading device, comprising a first driving motor (2) and a second driving motor (3) arranged on a floor (1), and a rack (11) fixedly connected to the floor (1), characterized in that, It also includes anti-bubble mechanism and heat exchange mechanism, the anti-bubble mechanism is arranged on the floor (1), the heat exchange mechanism is arranged on the lower side of the anti-bubble mechanism; The anti-bubble mechanism includes a vacuum pump (71), the vacuum pump (71) is fixedly connected to the floor (1), the vacuum pump (71) is communicated with the exhaust pipe (72), the exhaust pipe (72) is communicated with the rack (11) at the end away from the vacuum pump (71), the rack (11) is provided with a connecting plate (792), the connecting plate (792) is provided with a hydraulic cylinder (77); The heat exchange mechanism includes an inner side plate (81) and a heat exchanger (86), the inner side plate (81) is fixedly connected to the rack (11), the inner side plate (81) is provided with a heat exchange pipe (82), the heat exchange pipe (82) is communicated with the heat exchanger (86).

2. A pigment kneading apparatus according to claim 1, characterized by: The first driving motor (2) is fixedly connected with a speed reducer (4), the speed reducer (4) is fixedly connected with a first rotating shaft (5) at the end away from the first driving motor (2), the first rotating shaft (5) is fixedly connected with a first gear (9), the first gear (9) is meshed with a second gear (10) on the outside, the second gear (10) is fixedly connected with a second rotating shaft (6), the second rotating shaft (6) and the first rotating shaft (5) are both rotatably connected to the rack (11).

3. A pigment kneading apparatus according to claim 2, characterized by: The anti-bubble mechanism further includes a square groove (78), the square groove (78) is arranged at the side end of the rack (11), the hydraulic cylinder (77) is fixedly connected with a push block (791) at the front end, the push block (791) is slidably connected in the square groove (78).

4. A pigment kneading apparatus according to claim 3, characterized by: The push block (791) is provided with a sealing layer, the square groove (78) is fixedly connected with a filter screen square plate (79) at the end away from the hydraulic cylinder (77), the rack (11) is fixedly connected with a connecting cover (793).

5. A pigment kneading apparatus according to claim 4, characterized by: The connecting cover (793) is fixedly connected with a pressure sensor (73) on the inside, the connecting cover (793) is provided with a balance valve (75), the exhaust pipe (72) is provided with a valve (74), the rack (11) is provided with a filter screen circular plate (76), the filter screen circular plate (76) is arranged at the connection between the exhaust pipe (72) and the rack (11).

6. A pigment kneading apparatus according to claim 2, characterized by: The second driving motor (3) is provided with a sprocket assembly (85) at the output end, the sprocket assembly (85) is fixedly connected with a third rotating shaft (87), the third rotating shaft (87) is rotatably connected to the rack (11), the third rotating shaft (87) is fixedly connected with an auger disc (83), the auger disc (83) is arranged on the inside of the inner side plate (81), the first rotating shaft (5) and the second rotating shaft (6) are fixedly connected with a fan blade (84) on the outside.