A coating raw material mixing device

Abstract

The present invention relates to the technical field of coating production and processing, and specifically to a coating raw material mixing device, comprising a mixing barrel, a top cover is arranged on the top of the mixing barrel, a stirring assembly and an adjusting member are arranged on the top cover, and an inner barrel is arranged inside the mixing barrel. The beneficial effects of the present invention are as follows: when mixing the raw materials, the raw materials are preliminarily mixed by the mutual staggering and opposite rotation directions of the stirring rod and the auxiliary mixing protrusion, and the larger lumps in the raw materials are preliminarily broken, and the smaller lumps in the raw materials are kneaded and broken by the relative rotation between the inner barrel and the mixing barrel, and the raw materials are circulated through the spiral plate and the circulation channel to improve the uniformity of mixing, thereby ensuring the quality of the coating manufactured subsequently, and after the mixing is completed, the movable part slides out of the storage groove by centrifugal force, and the cleaning part cleans the inner wall of the mixing barrel, and the rotating spiral strips and spiral plates accelerate the discharge of materials, thereby avoiding the situation where the raw materials bridge at the discharge pipe and cause blockage.

Description

Technical Field

[0001] The invention relates to the technical field of laminating film production and processing, and in particular to a laminating film raw material mixing device. Background Art

[0002] Laminated paper is a composite material in which plastic particles are coated on the surface of paper through a casting machine. The material selection of food coated paper bags mainly depends on the characteristics of the food and the requirements of the packaging. For example, the use of composite materials such as polylactic acid (polylactide), polyethylene, and polypropylene can improve the moisture resistance and freshness of the packaging. When making laminated paper products, it is necessary to evenly mix polylactic acid (polylactide), polyethylene, polypropylene and other material particles or powders, plasticizers, stabilizers, etc., and then melt them by hot melting, and then coat them on the surface of the paper through a casting machine. When mixing the laminating raw materials, a mixing device is required.

[0003] The conical single-screw blade mixer disclosed in Chinese patent CN220003600U includes a frame, a mixing barrel and a reducer, a mounting ring is symmetrically installed on the outside of the mixing barrel, and the mounting ring is fixedly connected to the frame, and a discharge port is penetrated through one side of the bottom of the mixing barrel, and a feed port is penetrated through one side of the top of the mixing barrel, and also includes: a fixing frame is fixedly installed on the other side of the top of the mixing barrel, and a driving motor is fixedly installed on one side of the top of the fixing frame, and the output end of the driving motor passes through the fixing frame and is fixedly connected to one end of the reducer, and the reducer is fixedly connected to the mixing barrel, and a first pulley is fixedly installed on the output end of the driving motor, and the other end of the reducer passes through the mixing barrel and is fixedly installed with a spiral blade.

[0004] However, compared with the prior art and the comparative scheme, it can be seen that the mixer still has the following problems in actual use:

[0005] When plastic particles or powders are placed, the plastic particles or powders at the bottom may produce a cross-linking reaction under the pressure of the plastic particles or powders above, causing the plastic particles or powders to agglomerate. In addition, after the plastic particles or powders are damp or absorb a large amount of water during processing, they are prone to form "benzoin" crystals with a high water content, causing agglomeration. Plasticizers, stabilizers, etc. that need to be mixed with plastic particles or powders will not agglomerate with the plastic particles or powders. When mixing the raw materials, the uniformity of the mixing between the plastic particles or powders and the plasticizers and stabilizers is affected, thereby affecting the quality of the subsequent coating. Summary of the invention

[0006] The present invention provides a laminating raw material mixing device to solve the above technical problems.

[0007] The present invention discloses a coating raw material mixing device, which adopts the following technical scheme: comprising a mixing cylinder, a top cover is arranged on the top of the mixing cylinder, a stirring assembly and an adjusting member are arranged on the top cover, an inner cylinder is arranged inside the mixing cylinder, the inner cylinder is rotatably connected to the top cover, and a movable member is arranged on the inner cylinder;

[0008] A transmission assembly is provided at one end of the adjusting member, and the adjusting member is used to adjust the up and down position of the transmission assembly. The transmission assembly includes a transmission gear, the bottom of the transmission gear is rotatably connected to a driven gear, the middle of the bottom of the transmission gear is fixedly connected to a sun gear, and a planetary gear is provided on the driven gear, and the planetary gear and the sun gear are meshed with each other;

[0009] A toothed ring is arranged on the top of the inner cylinder, and a ball is arranged on the toothed ring. The inner cylinder includes a connecting area and a kneading area. The connecting area of ​​the inner cylinder is provided with a hollow groove, and the kneading area of ​​the inner cylinder is provided with a spiral strip. The inner cylinder is provided with a storage groove, and a connecting pin is arranged inside the storage groove. A circulation channel is provided in the middle of the inner cylinder;

[0010] A sliding groove is provided on the movable part, an auxiliary mixing protrusion is provided on one side of the movable part, and a cleaning part is provided on a side of the movable part away from the auxiliary mixing protrusion.

[0011] Furthermore, the mixing barrel is in the shape of an inverted cone, a discharge pipe is provided at the bottom of the mixing barrel, and a valve is provided on the discharge pipe.

[0012] Furthermore, a feed pipe is arranged on the top cover, a support ring is arranged at the bottom of the top cover, and a direction-changing gear is rotatably connected to the bottom of the top cover.

[0013] Furthermore, the stirring assembly includes a driving member, which is fixedly mounted on the top cover, a connecting shaft is provided at the output end of the driving member, an end of the connecting shaft close to the driving member is rotatably connected to the top cover, an end of the connecting shaft close to the driving member is provided with a driving gear, the transmission gear is meshed with the driving gear, a stirring rod is provided on the connecting shaft, and a spiral plate is provided at the end of the connecting shaft away from the driving member, and a mesh is opened on the spiral plate.

[0014] Furthermore, the driven gear and the transmission gear have the same module, number of teeth, pitch circle diameter, and thickness, and the driven gear and the transmission gear are coaxial.

[0015] Furthermore, the gear ring is rotatably connected to the support ring through balls, and the gear ring is meshed with the direction-changing gear.

[0016] Furthermore, the spiral plate is located inside the circulation channel.

[0017] Furthermore, the movable part is located inside the receiving groove, the slide groove is obliquely arranged on the movable part, and the connecting pin is slidably connected inside the slide groove.

[0018] Furthermore, the auxiliary mixing protrusion is located on a side of the movable part close to the inner part of the inner cylinder, and the cleaning part is located on a side of the movable part close to the outer part of the inner cylinder.

[0019] Furthermore, the stirring rod is located inside the inner cylinder.

[0020] The beneficial effects of the present invention are as follows: when mixing raw materials, the raw materials are preliminarily mixed by the mutual staggering and opposite rotation directions of the stirring rod and the auxiliary mixing protrusions, and the larger lumps in the raw materials are preliminarily broken; the smaller lumps in the raw materials are kneaded and broken by the relative rotation between the inner cylinder and the mixing cylinder, and the raw materials are circulated through the spiral plate and the circulation channel to improve the uniformity of mixing, thereby ensuring the quality of the subsequent coating; after the mixing is completed, the movable part slides out of the storage groove by centrifugal force, and the cleaning part cleans the inner wall of the mixing cylinder. At the same time, the rotating spiral strips and spiral plates accelerate the discharge of materials to avoid the situation where the raw materials bridge at the discharge pipe and cause blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 It is a schematic structural diagram of an embodiment of the present invention;

[0023] Figure 2 It is a partial cross-sectional structural schematic diagram of an embodiment of the present invention;

[0024] Figure 3 is a schematic cross-sectional structural diagram of a first state of an embodiment of the present invention;

[0025] Figure 4 for Figure 3 A schematic diagram of the structure enlargement at the center A;

[0026] Figure 5 for Figure 3 A schematic diagram of the structure enlarged at B in the middle;

[0027] Figure 6 is a schematic cross-sectional structural diagram of a second state of an embodiment of the present invention;

[0028] Figure 7 for Figure 6 A schematic diagram of the structure enlarged at C in the middle;

[0029] Figure 8 for Figure 6 A schematic diagram of the structure at D in the middle is enlarged;

[0030] Fig. 9 It is a schematic cross-sectional structural diagram of a top cover according to an embodiment of the present invention;

[0031] Fig.10 It is a schematic structural diagram of a stirring assembly according to an embodiment of the present invention;

[0032] Fig.11 It is a schematic diagram of the split structure of the adjusting member and the transmission assembly of an embodiment of the present invention from a first viewing angle;

[0033] Fig.12 It is a schematic diagram of the split structure of the adjusting member and the transmission assembly of the embodiment of the present invention from a second viewing angle;

[0034] Fig.13 This is a schematic diagram of the structure of the inner cylinder of an embodiment of the present invention;

[0035] Fig.14 It is a schematic cross-sectional structural diagram of an inner cylinder of an embodiment of the present invention;

[0036] Fig.15 for Fig.14 A schematic diagram of the structure enlarged at E in the middle;

[0037] Fig.16 It is a structural schematic diagram of the movable parts of an embodiment of the present invention;

[0038] Fig.17 for Fig.16 Enlarged schematic diagram of the structure at F in the middle.

[0039] In the figure: 1. mixing barrel; 101. discharge pipe; 102. valve; 2. top cover; 201. feed pipe; 202. support ring; 203. change gear; 3. stirring assembly; 301. driving member; 302. connecting shaft; 303. driving gear; 304. stirring rod; 305. spiral plate; 4. adjusting member; 5. inner barrel; 501. gear ring; 502. ball bearing; 503. hollow groove; 504. spiral strip; 505. storage groove; 506. connecting pin; 507. circulation channel; 6. movable member; 601. slide groove; 602. auxiliary mixing protrusion; 603. cleaning member; 7. transmission assembly; 701. transmission gear; 702. driven gear; 703. sun gear; 704. planetary gear. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] An embodiment of a laminating raw material mixing device of the present invention is as follows Figure 1 , Figure 2 , Figure 3 and Figure 6 As shown, it comprises a mixing barrel 1, a top cover 2 is arranged on the top of the mixing barrel 1, a stirring assembly 3 and an adjusting member 4 are arranged on the top cover 2, an inner barrel 5 is arranged inside the mixing barrel 1, the inner barrel 5 is rotatably connected to the top cover 2, a movable member 6 is arranged on the inner barrel 5, and the number of the movable members 6 is plural and the circumferential array is distributed on the inner barrel 5;

[0042] like Figure 1 to Figure 2 As shown, the mixing barrel 1 is in the shape of an inverted cone, a discharge pipe 101 is provided at the bottom of the mixing barrel 1, and a valve 102 is provided on the discharge pipe 101;

[0043] like Fig. 9 As shown, a feed pipe 201 is provided on the top cover 2, a sealing cover is provided on the feed pipe 201, a support ring 202 is provided at the bottom of the top cover 2, and a direction-changing gear 203 is rotatably connected to the bottom of the top cover 2;

[0044] like Figure 1 , Figure 3 and Fig.10 As shown, the stirring assembly 3 includes a driving member 301, a connecting shaft 302, a driving gear 303, a stirring rod 304, and a spiral plate 305. The driving member 301 is fixedly mounted on the top cover 2. The output end of the driving member 301 is provided with a connecting shaft 302. The end of the connecting shaft 302 close to the driving member 301 is rotatably connected to the top cover 2. The end of the connecting shaft 302 close to the driving member 301 is provided with a driving gear 303. The connecting shaft 302 is provided with a stirring rod 304. The stirring rod 304 is located inside the inner cylinder 5. The end of the connecting shaft 302 away from the driving member 301 is provided with a spiral plate 305, and a mesh is opened on the spiral plate 305.

[0045] like Figure 4 , Fig.11 and Fig.12As shown, a transmission assembly 7 is provided at one end of the adjusting member 4, and the adjusting member 4 is used to adjust the upper and lower positions of the transmission assembly 7 (in this embodiment, the adjusting member 4 includes a screw threadedly connected to the top cover 2, a knob is provided at one end of the screw, and the end of the screw away from the knob is rotatably connected to the transmission assembly 7, and the adjusting member 4 can also be a device such as a cylinder, an electric push rod, a linear module, etc. that can adjust the upper and lower positions of the transmission assembly 7), the transmission assembly 7 includes a transmission gear 701, a driven gear 702, a sun gear 703 and a planetary gear 704, the transmission gear 701 is meshed with the driving gear 303, and the bottom of the transmission gear 701 is rotatably connected with the driven gear 702, and the driven gear 702 and the transmission gear 701 have the same parameters such as the module, the number of teeth, and the pitch circle diameter, and the driven gear 702 is coaxial with the transmission gear 701, and the middle part of the bottom of the transmission gear 701 is fixedly connected with the sun gear 703, and the driven gear 702 is provided with a planetary gear 704, and the planetary gear 704 and the sun gear 703 are meshed with each other;

[0046] like Figure 3 , Figure 4 , Fig. 9 , Fig.10 , Figures 13 to 15 As shown, a gear ring 501 is provided at the top of the inner cylinder 5, the gear ring 501 is meshed with the direction-changing gear 203, a ball 502 is provided on the gear ring 501, the gear ring 501 is rotatably connected to the support ring 202 through the ball 502, the inner cylinder 5 includes a communication area and a kneading area, the communication area is located at the upper part of the inner cylinder 5, the kneading area is located at the lower part of the inner cylinder 5, the communication area of ​​the inner cylinder 5 is provided with a hollow groove 503, the kneading area of ​​the inner cylinder 5 is provided with a spiral strip 504, the inner cylinder 5 is provided with a receiving groove 505, the receiving groove 505 is provided with a connecting pin 506, the middle part of the inner cylinder 5 is provided with a circulation channel 507, and the spiral plate 305 is located inside the circulation channel 507;

[0047] like Figure 6 , Figure 8 , Figures 15 to 17 As shown, the movable part 6 is located inside the storage groove 505, and a slide groove 601 is opened on the movable part 6. The slide groove 601 is tilted on the movable part 6, and the connecting pin 506 is slidably connected to the inside of the slide groove 601. An auxiliary mixing protrusion 602 is provided on one side of the movable part 6, and a cleaning part 603 is provided on the side of the movable part 6 away from the auxiliary mixing protrusion 602. The auxiliary mixing protrusion 602 is located on the side of the movable part 6 close to the inside of the inner tube 5, and the cleaning part 603 is located on the side of the movable part 6 close to the outside of the inner tube 5 (in this embodiment, the cleaning part 603 is a cleaning brush, and the cleaning part 603 can also be a scraper, sponge, etc.).

[0048] The working process is as follows:

[0049] S1. When in use, open the sealing cover on the feed pipe 201, add the raw materials to be mixed from the feed pipe 201 into the inner cylinder 5, and then close the sealing cover on the feed pipe 201 to prevent the raw material powder or particles from splashing out from the feed pipe 201 during the mixing process;

[0050] S2. The position of the transmission assembly 7 is adjusted to rise by the adjusting member 4, so that the driving gear 303 is meshed with the transmission gear 701, and the driven gear 702 is meshed with the direction-changing gear 203. The driving member 301 is started to rotate forward, and the driving member 301 drives the driving gear 303 to rotate through the connecting shaft 302. The driving gear 303 drives the sun gear 703 to rotate through the transmission gear 701 (the rotation direction changes from positive to reverse), the sun gear 703 drives the driven gear 702 to rotate through the planetary gear 704 (the rotation direction changes from reverse to forward), the driven gear 702 drives the direction-changing gear 203 to rotate (the rotation direction changes from positive to reverse), the direction-changing gear 203 drives the inner cylinder 5 to rotate through the gear ring 501 (the rotation direction remains unchanged), and the rotation direction of the inner cylinder 5 is opposite to the rotation direction of the connecting shaft 302 (such as Figure 3 and Figure 4 shown);

[0051] S3. Due to the deceleration effect of the planetary gear 704, the rotation speed of the inner cylinder 5 is relatively slow, and the gravity of the movable part 6 itself is greater than the centrifugal force generated by the rotation of the inner cylinder 5 on the movable part 6. At this time, the movable part 6 is located in the receiving groove 505, the auxiliary mixing protrusion 602 is located inside the inner cylinder 5, and the cleaning part 603 is not in contact with the inner wall of the mixing cylinder 1 (such as Figure 3 and Figure 5 shown);

[0052] S4, the forward rotating connecting shaft 302 drives the stirring rod 304 and the reverse rotating inner cylinder 5 drives the auxiliary mixing protrusions 602 through the movable member 6 to intersect with each other and rotate in opposite directions, so as to mix the raw materials in the inner cylinder 5 and break up the larger lumps in the raw materials;

[0053] S5. At the same time, part of the raw materials near the hollow groove 503 in the inner cylinder 5 falls between the inner cylinder 5 and the mixing cylinder 1 through the hollow groove 503, moves downward under the push of the subsequent raw materials and the action of gravity, and is squeezed and kneaded by the rotating inner cylinder 5, kneading the smaller lumps in the raw materials into particles or powder;

[0054] S6, then the raw material falls on the spiral plate 305, and the granular or powdered raw material falls through the mesh on the spiral plate 305, and the agglomerates that are not completely crushed are driven by the spiral plate 305 along the circulation channel 507 back to the inside of the inner cylinder 5 to continue stirring and mixing, and the raw material is mixed in a cycle;

[0055] S7, after the raw materials are mixed, the valve 102 is opened, and the transmission assembly 7 is adjusted to descend through the adjusting member 4, so that the transmission gear 701 is meshed with the driving gear 303 and the direction-changing gear 203 at the same time, and the driving member 301 is started to reverse, and the driving member 301 drives the driving gear 303 to rotate through the connecting shaft 302, and the driving gear 303 drives the transmission gear 701 to rotate (the rotation direction is changed from reverse to forward), the transmission gear 701 drives the direction-changing gear 203 to rotate (the rotation direction is changed from forward to reverse), and the direction-changing gear 203 drives the inner cylinder 5 to rotate through the gear ring 501 (the rotation direction remains unchanged), and the rotation direction of the inner cylinder 5 is the same as the rotation direction of the connecting shaft 302 (such as Figure 6 and Figure 7 shown);

[0056] S8. At this time, since there is no deceleration effect of the planetary gear 704, the rotation speed of the inner cylinder 5 is relatively fast, and the gravity of the movable part 6 itself is smaller than the centrifugal force generated by the rotation of the inner cylinder 5 on the movable part 6. The movable part 6 slides out of the receiving groove 505, the auxiliary mixing protrusion 602 slides into the receiving groove 505, and the cleaning part 603 contacts the inner wall of the mixing cylinder 1 (such as Figure 6 and Figure 8 shown);

[0057] S9. As the inner cylinder 5 rotates, the cleaning piece 603 cleans the inner wall of the mixing cylinder 1. At the same time, the spiral strip 504 rotates with the inner cylinder 5, driving the raw materials between the inner cylinder 5 and the mixing cylinder 1. The spiral plate 305 rotates with the connecting shaft 302, driving the raw materials in the inner cylinder 5 and the circulation channel 507, and pushing the raw materials to be discharged from the discharge pipe 101, avoiding the situation where the raw materials bridge the discharge pipe 101 and cause blockage, and at the same time speeding up the discharge speed.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A laminating raw material mixing device, characterized in that: It comprises a mixing cylinder, wherein a top cover is arranged on the top of the mixing cylinder, a stirring assembly and an adjusting member are arranged on the top cover, an inner cylinder is arranged inside the mixing cylinder, the inner cylinder is rotatably connected to the top cover, and a movable member is arranged on the inner cylinder; A transmission assembly is provided at one end of the adjusting member, and the adjusting member is used to adjust the up and down position of the transmission assembly, and the transmission assembly includes a transmission gear, the bottom of the transmission gear is rotatably connected to a driven gear, the middle of the bottom of the transmission gear is fixedly connected to a sun gear, and the driven gear is provided with a planetary gear, and the planetary gear and the sun gear are meshed with each other; The top of the inner cylinder is provided with a toothed ring, on which a ball is provided, the inner cylinder comprises a communication area and a kneading area, the communication area of ​​the inner cylinder is provided with a hollow groove, the kneading area of ​​the inner cylinder is provided with a spiral strip, the inner cylinder is provided with a storage groove, the interior of the storage groove is provided with a connecting pin, and the middle of the inner cylinder is provided with a circulation channel; the top cover is provided with a feed pipe, the bottom of the top cover is provided with a support ring, the bottom of the top cover is rotatably connected with a direction-changing gear, the toothed ring is rotatably connected to the support ring through the ball, and the toothed ring is meshed with the direction-changing gear; The movable part is provided with a slide groove, one side of the movable part is provided with an auxiliary mixing protrusion, and the side of the movable part away from the auxiliary mixing protrusion is provided with a cleaning part; The stirring assembly includes a driving member, the driving member is fixedly mounted on the top cover, the output end of the driving member is provided with a connecting shaft, the end of the connecting shaft close to the driving member is rotatably connected to the top cover, the end of the connecting shaft close to the driving member is provided with a driving gear, the transmission gear is meshed with the driving gear, a stirring rod is provided on the connecting shaft, a spiral plate is provided at the end of the connecting shaft away from the driving member, meshes are provided on the spiral plate, the stirring rod is located inside the inner cylinder, the movable member is located inside the receiving groove, the slide groove is tilted on the movable member, the connecting pin is slidably connected inside the slide groove, the auxiliary mixing protrusion is located on a side of the movable member close to the inside of the inner cylinder, and the cleaning member is located on a side of the movable member close to the outside of the inner cylinder; The position of the transmission assembly is adjusted to rise by the adjusting member, so that the driving gear is meshed with the transmission gear, and the driven gear is meshed with the direction-changing gear, and the driving member is started to rotate forward. The driving member drives the driving gear to rotate through the connecting shaft, and the driving gear drives the sun gear to rotate through the transmission gear. The sun gear drives the driven gear to rotate through the planetary gear, and the driven gear drives the direction-changing gear to rotate. The direction-changing gear drives the inner cylinder to rotate through the gear ring, and the rotation direction of the inner cylinder is opposite to that of the connecting shaft. Due to the deceleration effect of the planetary gear, the rotation direction of the inner cylinder is relatively slow, and the gravity of the movable part itself is greater than the centrifugal force generated by the rotation of the inner cylinder on the movable part. At this time, the movable part is located in the receiving groove, the auxiliary mixing protrusion is located inside the inner cylinder, and the cleaning part does not contact the inner wall of the mixing cylinder. After the raw materials are mixed, the transmission assembly is adjusted to descend through the adjusting piece, so that the transmission gear is meshed with the driving gear and the changing gear at the same time, the driving piece is started to reverse, the driving piece drives the driving gear to rotate through the connecting shaft, the driving gear drives the transmission gear to rotate, the transmission gear drives the changing gear to rotate, the changing gear drives the inner cylinder to rotate through the gear ring, and the rotation direction of the inner cylinder is the same as the rotation direction of the connecting shaft; at this time, the rotation speed of the inner cylinder is relatively fast, the gravity of the movable part itself is less than the centrifugal force generated by the rotation of the inner cylinder on the movable part, the movable part slides out of the receiving groove, the auxiliary mixing protrusion slides into the receiving groove, and the cleaning part contacts the inner wall of the mixing cylinder; as the inner cylinder rotates, the cleaning part cleans the inner wall of the mixing cylinder.

2. A coating raw material mixing device according to claim 1, characterized in that: The mixing barrel is in the shape of an inverted cone, a discharge pipe is arranged at the bottom of the mixing barrel, and a valve is arranged on the discharge pipe.

3. A coating raw material mixing device according to claim 1, characterized in that: The module, number of teeth, pitch circle diameter and thickness of the driven gear and the transmission gear are all the same, and the driven gear is coaxial with the transmission gear.

4. A coating raw material mixing device according to claim 1, characterized in that: The spiral plate is located inside the circulation channel.

5. The laminating raw material mixing device according to claim 1, characterized in that: The stirring rod is located inside the inner cylinder.

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