Production process and production equipment of coating liquid

Abstract

The invention belongs to the technical field of film coating liquid, and particularly relates to a production process and production equipment of coating liquid. The production equipment comprises an outer shell which is of a vertically-buckled shell-shaped structure, and a cavity is formed in the outer shell; the stirring shaft extends into the cavity, and a driving cavity is formed in the stirring shaft; the inner adjusting rod is coaxially arranged in the driving cavity in the stirring shaft, and the inner adjusting rod can move up and down in the driving cavity; the outer stirring wings are uniformly distributed outside the stirring shaft and are movably connected with the stirring shaft; the upper driving mechanism is arranged at the upper end of the outer shell and can drive the inner adjusting rod to move up and down; the rotary driving mechanism is arranged at the upper end of the outer shell and drives the stirring shaft to rotate; wherein the inner adjusting rod is matched with the outer stirring wing, and the inclination angle of the outer stirring wing is changed through displacement of the inner adjusting rod.

Description

Technical Field

[0001] This invention belongs to the field of thin film coating liquid technology, and particularly relates to a coating liquid production process and production equipment. Background Technology

[0002] With the continuous advancement of technology, the application range of optical materials is becoming increasingly wide. Polyester film, due to its superior mechanical, electrical, and optical properties, has wide applications in liquid crystal displays, in-mold decoration, and optical protection.

[0003] To ensure the performance of polyester film, a coating layer is usually applied to the film surface. Different coating layers achieve different effects. However, traditional coating liquid production equipment or solvent production equipment takes a long time to mix in order to ensure the mixing effect, which affects the production efficiency. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a simple production process and equipment that ensures the effectiveness and efficiency of coating liquid production.

[0005] In view of this, the present invention provides a production apparatus for a coating liquid, comprising: The outer shell has a shell-like structure that fits together, and a cavity is formed inside it; The stirring shaft extends into the chamber, and a driving chamber is formed inside it; The inner adjusting rod is coaxially set in the drive cavity inside the stirring shaft, and the inner adjusting rod can move up and down in the drive cavity; Several external stirring blades are evenly distributed outside the stirring shaft and are movably connected to the stirring shaft; The upper drive mechanism is located at the upper end of the outer shell and can drive the inner adjusting rod to move up and down. A rotary drive mechanism is located at the upper end of the outer casing and drives the stirring shaft to rotate; The inner adjusting rod works in conjunction with the outer stirring blade, and the tilt angle of the outer stirring blade is changed by the displacement of the inner adjusting rod.

[0006] Furthermore, the above technical solution also includes: Several transmission connection mechanisms are used to connect the inner adjusting rod to each outer stirring blade; The transmission connection mechanism includes: The movable telescopic component is connected at one end to the inner adjusting rod and at the other end to the outer stirring blade; The receiving component is mounted on the stirring shaft, and the movable telescopic component is mounted on the receiving component; During the up-and-down movement of the inner adjusting rod, the inner telescopic component extends and retracts, while the movable telescopic component swings up and down on the receiving component.

[0007] In the above technical solution, the movable telescopic component further includes: The fixed base is fixedly mounted on the inner adjusting rod. The inner telescopic rod is mounted on a fixed base at one end and can rotate and swing up and down. An outer telescopic cylinder is mounted on the receiving assembly and has a telescopic hole for the inner telescopic rod to extend into. A limit edge is formed on the side of the outer telescopic cylinder near the inner telescopic rod. The outer limiting component is threadedly connected to the outer telescopic cylinder, and the outer telescopic cylinder is limited to the receiving component by the outer limiting component and the limiting edge; The inner telescopic rod and the telescopic hole have a regular polygonal cross section. When the inner adjusting rod moves up and down, it drives the inner telescopic rod to slide on the outer telescopic cylinder, and at the same time drives the inner telescopic rod and the outer telescopic cylinder to swing and rotate up and down.

[0008] In the above technical solution, furthermore, the stirring shaft is provided with a receiving hole for the receiving component to be placed and connected to the driving cavity; The components include: The inner support seat is limited within the receiving hole; The outer support is threaded onto the receiving hole and abuts against the inner support. A spherical groove is formed between the inner support and the outer support. A spherical adjusting block is set on a spherical groove, and a through positioning hole is formed in the middle for the placement of the outer telescopic cylinder.

[0009] In the above technical solution, the receiving component further includes: The central sealing groove is located at the connection between the inner support and the outer support, and is situated in the middle of the spherical groove. Two outer sealing grooves are respectively set inside the inner support and the outer support, located on the spherical groove and on both sides of the middle sealing groove; The central seal is located on the central sealing groove; Two external seals are installed on the external sealing groove; The end seal is located on the end faces of both sides of the spherical adjusting block.

[0010] In the above technical solution, the central seal further includes: The central sealing body has a ring-shaped structure and is located inside the central sealing groove; Two side limiting grooves are respectively set on both sides of the central sealing body, and the cross-section of the side limiting grooves is trapezoidal. The two side walls of the central sealing groove are formed with side sealing blocks that cooperate with the side limiting grooves. An end sealing groove is formed on the inner ring surface of the middle sealing body; The end sealing groove has a groove-shaped structure that is narrow on the inside and wide on the outside. The two sides of the end sealing groove form two symmetrical arc-shaped sealing contact surfaces at the inner ring surface of the middle sealing body. The sealing contact surfaces are in sealing contact with the spherical adjusting block.

[0011] In the above technical solution, the outer sealing element further includes: The inner sealing body is located inside the outer sealing groove; The inner support groove is set on the inner ring surface of the inner sealing body and has a V-shaped cross-section; The internal reinforcing component is integrally molded within the inner sealing body and is integrally molded with the inner sealing body. The outer sealing body is set on the inner support groove and makes sealing contact with the surface of the spherical adjusting block.

[0012] In the above technical solution, the movable telescopic component further includes: Several receiving grooves are formed circumferentially on the side wall of the inner telescopic rod; Several receiving strips are respectively set on each receiving groove, and several evenly distributed spherical grooves are opened on the receiving strips, and the spherical grooves extend out of the end face of the receiving strips; Several receiving balls are respectively set on each spherical groove and extend out of the spherical groove.

[0013] Furthermore, the above technical solution also includes: The position detection block is mounted on the upper drive mechanism; Several position detectors are used to detect the vertical displacement of the inner adjusting rod caused by the upper drive mechanism; The stirring shaft includes: Several shaft segments are arranged sequentially and fixedly connected; A retainer is located inside the shaft end and limits the movement of the inner adjusting rod.

[0014] A production process for a coating liquid production equipment includes: Step 1: Feeding. Add waterborne polyurethane, waterborne polyester, melamine resin, and other raw materials to the equipment in the specified proportions. Step 2: Drive the rotary drive mechanism to rotate the stirring shaft to mix the raw materials. At this time, the upper drive mechanism is not driven, and the inner adjusting rod is in the initial position. Step 3: The rotary drive mechanism drives the stirring shaft to rotate and mix the raw materials, and drives the upper drive mechanism to move the inner adjusting rod down until it is in the first position; Step 4: The rotary drive mechanism drives the stirring shaft to rotate and mix the raw materials, and drives the upper drive mechanism to move the inner adjusting rod down until it is in the second position; Step 5: The rotary drive mechanism drives the stirring shaft to rotate and mix the raw materials, and drives the upper drive mechanism to move the inner adjusting rod upward to return to the first position; Step 6: The rotary drive mechanism drives the stirring shaft to rotate and mix the raw materials, and drives the upper drive mechanism to move the inner adjusting rod upward until it returns to the initial position; Step Six: Repeat Steps Three through Six; Step 7: Stop the machine and discharge materials.

[0015] The beneficial effects of this invention are as follows: 1. The equipment moves up and down through the internal adjusting rod, which in turn changes the tilt angle of the outer stirring blades, thereby achieving different modes of material mixing.

[0016] 2. The production process changes the mixing effect by altering the tilt angle of the outer stirring blades during mixing. At the same time, stirring at various tilt angles can improve the mixing effect and efficiency, thereby shortening the mixing time to a certain extent. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the stirring shaft in this invention; Figure 3 yes Figure 2 A magnified view of a section at point I; Figure 4 This is a cross-sectional schematic diagram of the present invention; Figure 5 yes Figure 4 Enlarged view of a section at point II; Figure 6 yes Figure 5 Enlarged view of a section at point III; Figure 7 yes Figure 5 A magnified view of a section of section IV; The markings in the diagram represent: 1-outer shell, 2-stirring shaft, 2a-shaft section, 2b-cage, 3-inner adjusting rod, 4-outer stirring blade, 5-upper drive mechanism, 6-rotary drive mechanism, 7-fixed seat, 8-inner telescopic rod, 9-outer telescopic cylinder, 10-inner support seat, 11-outer support seat, 12-spherical groove, 13-spherical adjusting block, 14-middle sealing groove, 15-outer sealing groove, 16-end seal, 17-middle sealing body, 18-side limiting groove, 19-end sealing groove, 20-sealing contact surface, 21-inner sealing body, 22-inner support groove, 23-inner reinforcing member, 24-outer sealing body, 25-receiving strip, 26-receiving ball, 27-position detector, 28-outer limiting member. Detailed Implementation

[0018] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0019] Example 1: This embodiment provides a production equipment for a coating liquid, including: The outer shell 1 has a shell-like structure that fits together vertically, and a cavity is formed inside it; The stirring shaft 2 extends into the chamber, and a driving chamber is formed inside it; The inner adjusting rod 3 is coaxially arranged in the drive cavity inside the stirring shaft 2, and the inner adjusting rod 3 can move up and down in the drive cavity; Several outer stirring blades 4 are evenly distributed outside the stirring shaft 2 and are movably connected to the stirring shaft 2; The upper drive mechanism 5 is located at the upper end of the outer shell 1 and can drive the inner adjusting rod 3 to move up and down. The rotary drive mechanism 6 is located at the upper end of the outer shell 1 and drives the stirring shaft 2 to rotate; The inner adjusting rod 3 works in conjunction with the outer stirring blade 4, and the tilt angle of the outer stirring blade 4 is changed by the displacement of the inner adjusting rod 3.

[0020] In this embodiment, a constant temperature chamber is formed outside the outer shell 1. Cooling or heating media are supplied into the constant temperature chamber to maintain the internal temperature of the outer shell 1. The rotation of the stirring shaft 2 drives the outer stirring blades 4 to rotate, achieving material mixing. The inner adjusting rod 3 cooperates with the outer stirring blades 4; by moving the inner adjusting rod 3 up and down, the tilt angle of the outer stirring blades 4 is changed. Changing the tilt angle of the outer stirring blades 4 achieves different modes of material mixing, thereby ensuring the mixing effect. The upper drive mechanism 5 can be a hydraulic drive cylinder. The drive end of the upper drive mechanism 5 and the inner adjusting rod 3 are connected by a rotary connector or other mechanical components for rotational connection and transmission of vertical tensile force. The inner adjusting rod 3 can be a regular square or a regular hexagon; if it is a regular square, the number of outer stirring blades 4 distributed circumferentially at the same height is four; if it is a regular hexagon, the number of outer stirring blades 4 distributed circumferentially at the same height is six. The rotary drive mechanism 6 can be a geared motor. A driven gear is provided on the part of the stirring shaft 2 that extends out of the outer shell 1. The drive end of the rotary drive mechanism 6 is provided with a driving gear that drives the driven gear to rotate.

[0021] Example 2: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0022] Also includes: Several transmission connection mechanisms are used to connect the inner adjusting rod 3 to each outer stirring blade 4; The transmission connection mechanism includes: The movable telescopic component is connected at one end to the inner adjusting rod 3 and at the other end to the outer stirring blade 4; The receiving component is mounted on the stirring shaft 2, and the movable telescopic component is mounted on the receiving component; During the up-and-down movement of the inner adjusting rod 3, the inner telescopic component extends and retracts, while the movable telescopic component swings up and down on the receiving component.

[0023] In this embodiment, the transmission connection component ensures that the inner adjusting rod 3 transmits the force of its up-and-down movement to the outer stirring blade 4, causing the outer stirring blade 4 to swing up or down. This allows the outer stirring blade 4 to be in multiple positions, performing different mixing effects, thereby ensuring the mixing effect.

[0024] The movable telescopic component in the transmission connection mechanism can extend and retract when the inner adjusting rod 3 moves up and down, thus ensuring the smooth swing of the piston telescopic component. The receiving component on the stirring shaft 2 supports the movable telescopic component, thus ensuring the stability of the transmission of the movable telescopic component.

[0025] Example 3: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0026] The movable telescopic component includes: The fixed base 7 is fixedly mounted on the inner adjusting rod 3; The inner telescopic rod 8 is mounted on the fixed base 7 at one end and can rotate and swing up and down. An outer telescopic cylinder 9 is provided on the receiving component and has a telescopic hole for the inner telescopic rod 8 to extend into. A limit edge is formed on the side of the outer telescopic cylinder 9 near the inner telescopic rod 8. The outer limiting member 28 is threadedly connected to the outer telescopic cylinder 9, and the outer telescopic cylinder 9 is limited on the receiving component by the outer limiting member 28 and the limiting edge; The inner telescopic rod 8 and the telescopic hole have a regular polygonal cross section. When the inner adjusting rod 3 moves up and down, it drives the inner telescopic rod 8 to slide on the outer telescopic cylinder 9, and at the same time drives the inner telescopic rod 8 and the outer telescopic cylinder 9 to swing and rotate up and down.

[0027] In this embodiment, the inner fixed seat 7 and the inner adjusting rod 3 can be fixed by bolts or welding; one end of the inner telescopic rod 8 is fixed to the fixed seat 7 by a hinge structure, and the telescopic rod can swing up and down relative to the fixed seat 7. One end of the outer telescopic cylinder 9 cooperates with the inner telescopic rod 8, and the other end of the outer telescopic cylinder 9 is used to detachably fix it to the outer stirring blade 4. Through the sliding cooperation between the inner telescopic rod 8 and the outer telescopic cylinder 9, the inner telescopic rod 8 will slide into or out of the telescopic hole during the up and down movement of the inner adjusting rod 3. However, as the inner adjusting rod 3 moves up and down, the inner telescopic rod 8 will also swing up and down, so that the outer telescopic cylinder 9 can swing up and down in the receiving component. The setting of the outer limiting member 28 and the cooperation of the limiting edge make the outer telescopic cylinder 9 limited to the receiving component, preventing the outer telescopic cylinder 9 from sliding on the receiving component, and ensuring that the inner adjusting rod 3 drives the outer telescopic cylinder 9 to swing when it moves up and down. At the same time, the cross-section of the telescopic rod and the telescopic hole is a regular polygon, which can prevent the outer telescopic cylinder 9 from rotating, and thus prevent the outer stirring blade 4 from rotating.

[0028] Example 4: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0029] The stirring shaft 2 is provided with a receiving hole for mounting the receiving component and communicating with the drive cavity; The components include: The inner support 10 is limited within the receiving hole; The outer support 11 is threaded onto the receiving hole and abuts against the inner support 10; A spherical groove 12 is formed between the inner support 10 and the outer support 11; A spherical adjusting block 13 is set on the spherical groove 12, and a through positioning hole is formed in the middle for the outer telescopic cylinder 9 to be placed.

[0030] In this embodiment, the receiving hole from the outside of the stirring shaft 2 into the drive cavity includes a first hole portion, a second hole portion, and a third hole portion connected in sequence with decreasing diameters; The inner support seat 10 is disposed inside the second hole and abuts against the end face of the second hole. The outer support seat 11 is fixed inside the second hole by a threaded connection, and a hexagonal part is formed on the outer side of the outer support seat 11. The spherical groove 12 is used to place the spherical adjustment block 13. The spherical adjustment block 13 rotates and swings on the spherical groove 12. Since the outer telescopic cylinder 9 does not rotate, the outer telescopic cylinder 9 can swing up and down under the support of the spherical adjustment block 13.

[0031] The limiting edge of the telescopic sleeve abuts against one end of the spherical adjusting block 13, and the outer limiting member 28 is threadedly connected to the telescopic sleeve and abuts against the other end of the spherical adjusting block 13, thereby ensuring that the telescopic sleeve will not slide on the spherical adjusting block 13.

[0032] Example 5: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0033] The supporting components also include: The central sealing groove 14 is provided at the connection between the inner support seat 10 and the outer support seat 11, and is located in the middle of the spherical groove 12; Two outer sealing grooves 15 are respectively disposed inside the inner support seat 10 and the outer support seat 11, located on the spherical groove 12 and on both sides of the central sealing groove 14; A central seal is provided on the central sealing groove 14; Two external seals are provided on the external sealing groove 15; End seals 16 are provided on the end faces of both sides of the spherical adjusting block 13.

[0034] In this embodiment, the central sealing groove 14 is located in the middle of the spherical groove 12, thereby ensuring a sealing effect between the middle of the spherical groove 12 and the spherical adjusting block 13 after the central sealing element is installed. The outer sealing grooves 15 are located on both sides of the central sealing groove 14, further ensuring a sealing effect between the spherical groove 12 and the spherical adjusting block 13 by the two outer sealing elements on both sides of the central sealing element, thus preventing materials from entering the stirring shaft 2. Simultaneously, the end sealing element 16 improves the sealing effect of the connection between the telescopic sleeve and the spherical adjusting block 13, and an outer sealing ring that seals against the inner support seat 10 and the outer support seat 11 can be installed in the receiving hole.

[0035] Example 6: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0036] The central seal includes: The central sealing body 17 has an annular structure and is disposed within the central sealing groove 14; Two side limiting grooves 18 are respectively provided on both sides of the central sealing body 17, and the cross section of the side limiting grooves 18 is trapezoidal. The two side walls of the central sealing groove 14 are formed with side sealing blocks that cooperate with the side limiting grooves 18. An end sealing groove 19 is formed on the inner annular surface of the middle sealing body 17; The end sealing groove 19 has a groove-shaped structure that is narrow inside and wide outside. The two sides of the end sealing groove 19 form two symmetrical arc-shaped sealing contact surfaces 20 at the inner ring surface of the middle sealing body 17. The sealing contact surfaces 20 are in sealing contact with the spherical adjusting block 13.

[0037] In this embodiment, the central sealing body 17 plays a primary sealing role. As the outer support seat 11 is screwed into the receiving hole, the central sealing body 17 is firmly pressed against the outer support seat 11 and the inner support seat 10, thus ensuring a tight seal at the connection between the outer and inner support seats 11 and 10. The side limiting groove 18 and the side sealing block enhance the strength of the central sealing body 17 fixed to the central sealing groove 14, preventing the central sealing element from detaching from the central sealing groove 14. The end sealing groove 19 creates two symmetrical arc-shaped sealing contact surfaces 20 on the inner annular surface of the central sealing body 17. These two sealing contact surfaces 20 provide two-stage sealing contact with the spherical adjusting block 13, thereby improving the sealing effect between the central sealing element and the spherical adjusting block 13.

[0038] Example 7: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0039] The external seal includes: The inner sealing body 21 is disposed within the outer sealing groove 15; The inner support groove 22 is provided on the inner ring surface of the inner sealing body 21, and has a V-shaped cross section; The inner reinforcing member 23 is integrally formed inside the inner sealing body 21 and is integrally formed with the inner sealing body 21. The outer sealing body 24 is disposed on the inner support groove 22 and is in sealing contact with the surface of the spherical adjusting block 13.

[0040] In this embodiment, the inner sealing body 21 is mainly used to support the outer sealing body 24, while the inner reinforcing member 23 is made of an elastic metal sheet; and the outer sealing body 24 is interference-fitted with the inner support groove 22. After the outer sealing body 24 is placed in the inner support groove 22, it will move out of the inner support groove 22 under the action of the outer reinforcing member, thereby ensuring that the outer sealing body 24 can be firmly attached to the surface of the spherical adjustment block 13, thereby further improving the sealing effect of the contact between the spherical adjustment block 13 and the spherical groove 12.

[0041] Example 8: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0042] The telescopic assembly also includes: Several receiving grooves are formed circumferentially on the side wall of the inner telescopic rod 8; Several receiving strips 25 are respectively disposed on each receiving groove, and several evenly distributed spherical grooves are opened on the receiving strips 25, and the spherical grooves extend out of the end face of the receiving strips 25. Several receiving balls 26 are respectively set on each spherical groove and extend out of the spherical groove.

[0043] In this embodiment, the receiving groove provides a space for the receiving strip 25. The receiving strip 25 is used to limit the receiving ball 26 and prevent the receiving ball 26 from detaching. The setting of the receiving ball 26 changes the original sliding contact between the inner telescopic rod 8 and the outer telescopic cylinder 9 to rolling contact, thereby reducing the friction between the inner telescopic rod 8 and the outer telescopic cylinder 9 and ensuring the smooth extension and retraction of the inner telescopic rod 8 on the outer telescopic cylinder 9.

[0044] Example 9: This embodiment provides a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0045] Also includes: A position detection block is mounted on the upper drive mechanism 5; Several position detectors 27 are used to detect the vertical displacement of the inner adjusting rod 3 driven by the upper drive mechanism 5. The stirring shaft 2 includes: Several shaft segments 2a are sequentially arranged and fixedly connected; The retainer 2b is located inside the shaft end and limits the inner adjusting rod 3.

[0046] In this embodiment, the position detection block facilitates the triggering of the position detector 27. The position detector 27 determines the position of the drive end of the upper drive mechanism 5 by sensing the position of the position detection block, i.e., whether the inner adjusting rod 3 moves up or down, thereby determining the tilt angle of the outer stirring blade 4 to achieve accurate adjustment of the tilt angle of the outer stirring blade 4. The retainer 2b limits the inner adjusting rod 3, allowing it to rotate together with the stirring shaft 2 and preventing the movable telescopic component from twisting or breaking. Since the inner adjusting rod 3 is connected to the drive end of the upper drive mechanism 5 through a rotary connector, the drive end of the upper drive mechanism 5 will not rotate. The stirring shaft 2 is composed of several shaft segments 2a connected together, which facilitates the installation and fixation of the outer stirring blade 4 and the transmission connection mechanism.

[0047] Example 10: This embodiment provides a production process for a coating liquid production equipment, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The production process includes: Step 1: Feeding. Add waterborne polyurethane, waterborne polyester, melamine resin, and other raw materials to the equipment in the specified proportions. Step 2: Drive the rotary drive mechanism 6 to drive the stirring shaft 2 to rotate and mix the raw materials. At this time, the upper drive mechanism 5 is not driven, and the inner adjusting rod 3 is in the initial position. Step 3: The rotary drive mechanism 6 drives the stirring shaft 2 to rotate and mix the raw materials, and drives the upper drive mechanism 5 to move the inner adjusting rod 3 down until it is in the first position; Step 4: The rotary drive mechanism 6 drives the stirring shaft 2 to rotate and mix the raw materials, and drives the upper drive mechanism 5 to move the inner adjusting rod 3 down until it is in the second position. Step 5: The rotary drive mechanism 6 drives the stirring shaft 2 to rotate and mix the raw materials, and drives the upper drive mechanism 5 to move the inner adjusting rod 3 upward to return to the first position; Step 6: The rotary drive mechanism 6 drives the stirring shaft 2 to rotate and mix the raw materials, and drives the upper drive mechanism 5 to move the inner adjusting rod 3 upward until it returns to the initial position; Step Six: Repeat Steps Three through Six; Step 7: Stop the machine and discharge materials.

[0049] In this embodiment, the inner adjusting rod 3 moves slowly during steps three to six, and the stirring shaft 2 is in a stirring state during the movement of the inner adjusting rod 3. The mixing effect is changed by changing the tilt angle of the outer stirring blade 4 during the mixing process. At the same time, stirring with multiple tilt angles can improve the stirring effect and efficiency, thereby shortening the stirring time to a certain extent.

[0050] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A production equipment for a coating liquid, characterized in that, include: The outer shell (1) has a shell-like structure that is snapped together, and a cavity is formed inside it; The stirring shaft (2) extends into the chamber, and a driving chamber is formed inside it; The inner adjusting rod (3) is coaxially set in the drive cavity inside the stirring shaft (2), and the inner adjusting rod (3) can move up and down in the drive cavity; Several outer stirring blades (4) are evenly distributed outside the stirring shaft (2); The upper drive mechanism (5) is located at the upper end of the outer shell (1) and can drive the inner adjusting rod (3) to move up and down. A rotary drive mechanism (6) is set on the upper end of the outer shell (1) and drives the stirring shaft (2) to rotate; The inner adjusting rod (3) works in conjunction with the outer stirring blade (4), and the tilt angle of the outer stirring blade (4) is changed by the displacement of the inner adjusting rod (3).

2. The equipment for producing a coating liquid according to claim 1, characterized in that, Also includes: Several transmission connection mechanisms are used to connect the inner adjusting rod (3) to each outer stirring blade (4); The transmission connection mechanism mentioned above includes: The movable telescopic component is connected at one end to the inner adjusting rod (3) and at the other end to the outer stirring blade (4). The receiving component is set on the stirring shaft (2), and the movable telescopic component is set on the receiving component; During the up-and-down movement of the inner adjusting rod (3), the inner telescopic component extends and retracts, while the movable telescopic component swings up and down on the receiving component.

3. The equipment for producing a coating liquid according to claim 2, characterized in that, The aforementioned telescopic component includes: The fixed seat (7) is fixedly installed on the inner adjusting rod (3); The inner telescopic rod (8) is set on the fixed seat (7) at one end and can rotate and swing up and down; An outer telescopic cylinder (9) is provided on the receiving assembly and has a telescopic hole for the inner telescopic rod (8) to extend into. A limit edge is formed on the side of the outer telescopic cylinder (9) near the inner telescopic rod (8). The outer limiting member (28) is threadedly connected to the outer telescopic cylinder (9), and the outer telescopic cylinder (9) is limited on the receiving component by the outer limiting member (28) and the limiting edge; The inner telescopic rod (8) and the telescopic hole have a regular polygonal cross section. When the inner adjusting rod (3) moves up and down, it drives the inner telescopic rod (8) to slide on the outer telescopic cylinder (9) and at the same time drives the inner telescopic rod (8) and the outer telescopic cylinder (9) to swing and rotate up and down.

4. The equipment for producing a coating liquid according to claim 2, characterized in that, The stirring shaft (2) is provided with a receiving hole for mounting the receiving component and communicating with the drive cavity; The receiving components include: The inner support (10) is limited within the receiving hole; The outer support (11) is threaded onto the receiving hole and abuts against the inner support (10); A spherical groove (12) is formed between the inner support (10) and the outer support (11); A spherical adjustment block (13) is set on a spherical groove (12), and a through positioning hole is formed in the middle for the outer telescopic cylinder (9) to be placed.

5. The equipment for producing a coating liquid according to claim 4, characterized in that, The receiving component also includes: The central sealing groove (14) is provided at the connection between the inner support seat (10) and the outer support seat (11), and is located in the middle of the spherical groove (12); Two outer sealing grooves (15) are respectively set inside the inner support seat (10) and the outer support seat (11), located on the spherical groove (12) and on both sides of the middle sealing groove (14); A central seal is provided on the central sealing groove (14); An external sealing element is provided on the external sealing groove (15); End seals (16) are provided on the end faces of both sides of the spherical adjusting block (13).

6. The equipment for producing a coating liquid according to claim 5, characterized in that, The central seal includes: The central sealing body (17) has an annular structure and is located in the central sealing groove (14); Two side limiting grooves (18) are respectively set on both sides of the central sealing body (17), and the cross section of the side limiting grooves (18) is trapezoidal. The two side walls of the central sealing groove (14) are formed with side sealing blocks that cooperate with the side limiting grooves (18). An end sealing groove (19) is formed on the inner annular surface of the middle sealing body (17); The end sealing groove (19) is a groove-shaped structure that is narrow inside and wide outside. The two sides of the end sealing groove (19) form two symmetrical arc-shaped sealing contact surfaces (20) at the inner ring surface of the middle sealing body (17). The sealing contact surfaces (20) are in sealing contact with the spherical adjusting block (13).

7. The equipment for producing a coating liquid according to claim 6, characterized in that, The external sealing element includes: The inner sealing body (21) is disposed in the outer sealing groove (15); The inner support groove (22) is provided on the inner ring surface of the inner sealing body (21) and has a V-shaped cross section; The inner reinforcing member (23) is integrally formed inside the inner sealing body (21) and integrally formed with the inner sealing body (21); The outer sealing body (24) is set on the inner support groove (22) and is in sealing contact with the surface of the spherical adjustment block (13).

8. The equipment for producing a coating liquid according to claim 3, characterized in that, The telescopic assembly also includes: Several receiving grooves are opened circumferentially on the side wall of the inner telescopic rod (8); Several receiving strips (25) are respectively set on each receiving groove, and several evenly distributed spherical grooves are opened on the receiving strips (25), and the spherical grooves extend out of the end face of the receiving strips (25); Several receiving balls (26) are respectively set on each spherical groove and extend out of the spherical groove.

9. The equipment for producing a coating liquid according to claim 8, characterized in that, Also includes: A position detection block is set on the upper drive mechanism (5); Several position detectors (27) are used to detect the up-and-down displacement of the inner adjusting rod (3) driven by the upper drive mechanism (5); The stirring shaft (2) includes: Several shaft segments (2a) are sequentially arranged and fixedly connected; The retainer (2b) is located inside the shaft end and limits the inner adjusting rod (3).

10. A production process applicable to the production equipment for the coating liquid according to any one of claims 1-9, characterized in that, include: Step 1: Feeding. Add waterborne polyurethane, waterborne polyester, melamine resin, and other raw materials to the equipment in the specified proportions. Step 2: Drive the rotary drive mechanism (6) to drive the stirring shaft (2) to rotate and mix the raw materials. At this time, the upper drive mechanism (5) is not driven, and the inner adjusting rod (3) is in the initial position. Step 3: The rotary drive mechanism (6) drives the stirring shaft (2) to rotate to mix the raw materials, and drives the upper drive mechanism (5) to move the inner adjusting rod (3) down until it is in the first position; Step 4: The rotary drive mechanism (6) drives the stirring shaft (2) to rotate to mix the raw materials, and drives the upper drive mechanism (5) to move the inner adjusting rod (3) down until it is in the second position; Step 5: The rotary drive mechanism (6) drives the stirring shaft (2) to rotate to mix the raw materials, and drives the upper drive mechanism (5) to move the inner adjusting rod (3) upward to return to the first position; Step 6: The rotary drive mechanism (6) drives the stirring shaft (2) to rotate to mix the raw materials, and drives the upper drive mechanism (5) to move the inner adjusting rod (3) upward until it returns to the initial position; Step Six: Repeat Steps Three through Six; Step 7: Stop the machine and discharge materials.

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