Impregnation equipment for impregnated paper
By adopting a double-layer stirring design in the impregnation equipment for paper, the combination of a flexible first stirring rod and a movable second stirring rod solves the problem of uneven glue penetration in traditional equipment, realizes synchronous stirring and uniform distribution on the upper and lower surfaces of the impregnated paper, and reduces energy consumption and mechanical damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-03-27
AI Technical Summary
The stirring device of traditional impregnation equipment cannot synchronously control the flow field of the adhesive on the upper and lower surfaces of the impregnated paper, resulting in uneven adhesive penetration, especially forming a low-pressure zone under the impregnated paper, causing uneven resin distribution.
The device employs a double-layer stirring design, including a flexible first stirring rod located below the impregnated paper and a movable second stirring rod located above it. Power is transmitted through a motor-driven pulley and bevel gear set, which drives the movable table to move axially along the limit rod. In conjunction with the meshing of the follower gear and rack, synchronous stirring of the upper and lower surfaces of the impregnated paper is achieved.
It achieves uniform distribution of adhesive on the upper and lower surfaces of the impregnated paper, reduces power resource input, reduces equipment energy consumption, extends the cleaning cycle, and avoids mechanical damage and adhesive residue.
Smart Images
Figure CN224047805U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of impregnated paper processing technology, specifically to a kind of impregnated paper glue dipping equipment. BACKGROUND
[0002] As important composite material base material in modern industry, impregnated paper is widely used in decorative laminated board, copper-clad plate and special packaging field, and the glue dipping process in its production process directly determines the key performance indicators such as glue liquid penetration rate and resin distribution uniformity of paper, and traditional glue dipping equipment is usually composed of glue pool, guide roller and transmission system, and resin coating is realized by physical impregnation.
[0003] The existing glue dipping equipment usually sets stirring device in glue pool to ensure the uniformity of glue liquid in glue pool, and the stirring device can maintain the basic fluidity of glue liquid, but it cannot synchronously control the glue liquid flow field on the upper and lower surfaces of impregnated paper due to single stirring layer design, specifically, the turbulence generated by bottom stirring is easy to form low pressure area under impregnated paper, resulting in that glue liquid penetrates saturation, and the viscosity gradient of glue liquid above impregnated paper is generated due to lack of effective disturbance, causing uneven surface resin distribution problem.
[0004] Therefore, the impregnated paper glue dipping equipment is provided. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the problem that stirring device in glue pool of traditional impregnated paper glue dipping equipment needs to be improved, and provides an impregnated paper glue dipping equipment.
[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme: an impregnated paper glue dipping equipment, comprising glue dipping machine body, the glue dipping machine body includes rack, winding roller and unwinding roller arranged on the rack, glue pool is arranged between the winding roller and the unwinding roller, first guide roller and second guide roller for guiding impregnated paper to dip glue are arranged in the glue pool, and the impregnated paper glue dipping equipment further comprises:
[0007] First stirring component, the first stirring component is located in the glue pool, and the height of the first stirring component is lower than the height of impregnated paper at the bottom of the first guide roller and the second guide roller, the first stirring component comprises first stirring rod rotatably connected at the bottom of the glue pool and motor arranged below the glue pool for driving the first stirring rod to rotate, and the first stirring component is used for stirring glue liquid at the bottom of impregnated paper;
[0008] A second stirring component is located in the glue pool and has a height higher than that of the impregnated paper at the bottom of the first and second guide rollers, and comprises two limiting rods fixedly connected in the glue pool and a movable table sleeved on the two limiting rods, two second stirring rods are rotatably connected to the two sides of the movable table, and the second stirring rods are used to stir the glue liquid above the impregnated paper when the movable table moves.
[0009] Preferably, a rotating rod is rotatably connected to the rack, the rotating rod and the output end of the motor are fixedly connected with belt pulleys, the two belt pulleys are drivingly connected through a transmission belt, a first bevel gear is fixedly connected to the rotating rod, a screw rod is rotatably connected to the glue pool, a second bevel gear meshingly connected with the first bevel gear is fixedly connected to the screw rod, the screw rod penetrates through the screw sleeve, the screw sleeve is threadedly connected to the screw rod, the screw sleeve is fixedly connected with the movable table, and balls are arranged between the screw rod and the screw sleeve.
[0010] Preferably, a second bevel gear is fixedly connected to the second stirring rod, two racks meshingly connected with the two second bevel gears are arranged in the glue pool, and the second bevel gears and the racks are used to drive the second stirring rods to rotate when the movable table moves, so as to further stir the glue liquid above the impregnated paper.
[0011] Preferably, a rotating ring with a T-shaped cross section is fixedly connected to the second stirring rod, and a movable groove with a size matching that of the rotating ring is formed in the movable table, so that the second stirring rod can rotate relative to the movable table during movement of the movable table.
[0012] Preferably, the racks extend along the axial direction of the limiting rods, and the effective meshing length of the racks and the second bevel gears is greater than the maximum moving stroke of the movable table, so that the second bevel gears on the second stirring rods continuously mesh with the racks during the full stroke movement of the movable table.
[0013] Preferably, the first stirring rod is made of flexible silicone rubber material, the Shore hardness of the silicone rubber material is 20A-60A, an anti-sticking coating is arranged on the outer surface of the first stirring rod, and the surface energy of the anti-sticking coating is less than 25 mN / m.
[0014] Preferably, the distance between the top end of the first stirring rod and the bottom surface of the impregnated paper in the glue pool is 20-30 cm, and the distance between the lowest point of the second stirring rod during rotation and the upper surface of the impregnated paper in the glue pool is 15-25 cm, so as to prevent the first and second stirring rods from interfering with the continuous impregnation of the impregnated paper during work.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1、The impregnated paper impregnation equipment provided by the utility model realizes synchronous dynamic regulation and control of glue solution on the upper and lower surfaces of the impregnated paper through the double-layer stirring design of the first stirring part and the second stirring part, the first stirring rod forms low shear turbulence at 20-30cm below the impregnated paper in the flexible silicon rubber material, avoids mechanical damage of traditional rigid stirring to the thin paper, the second stirring rod generates rotary disturbance at 15-25cm above the impregnated paper through the engagement of the follow-up gear and the rack, and effectively eliminates the viscosity stratification of the glue solution.
[0017] 2、The motor of the impregnated paper impregnation equipment can drive the first stirring rod to rotate at the same time, transmit power to the screw through the belt pulley and the bevel gear set, drive the movable table to move axially along the limiting rod, the design can synchronously control double-layer stirring actions only through a single power source, and reduces the investment of power resources. BRIEF DESCRIPTION OF DRAWINGS
[0018] The drawings accompanying the specification provide further understanding of the utility model, the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.
[0019] In the drawings:
[0020] Figure 1 It is the three-dimensional structure schematic view of an embodiment of the utility model.
[0021] Figure 2 It is the three-dimensional structure schematic view of another angle of an embodiment of the utility model.
[0022] Figure 3 It is Figure 2 The enlarged view of A in the middle.
[0023] Figure 4 It is the detail view of the glue pool of an embodiment of the utility model.
[0024] Figure 5 It is the side view of the glue pool of an embodiment of the utility model.
[0025] Figure 6 It is the position relation diagram of the first stirring part and the second stirring part of an embodiment of the utility model.
[0026] Figure 7 It is the sectional view schematic view of the movable table of an embodiment of the utility model.
[0027] In the figure: 1, impregnator body, 11, frame, 12, winding roller, 13, unwinding roller, 14, first guide roller, 15, second guide roller, 16, glue pool, 2, first stirring part, 21, motor, 22, first stirring rod, 3, second stirring part, 31, rotating rod, 32, belt pulley, 33, transmission belt, 34, first bevel gear, 35, second bevel gear, 36, screw rod, 37, screw sleeve, 38, movable table, 39, limiting rod, 310, second stirring rod, 311, rotating ring, 312, movable groove, 313, follow-up gear, 314, rack. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The embodiments in the application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0029] Please refer to Figures 1-7 .
[0030] The impregnated paper impregnation equipment includes the impregnator body 1, the impregnator body 1 includes the frame 11, the winding roller 12 and the unwinding roller 13 are arranged on the frame 11, the glue pool 16 is arranged between the winding roller 12 and the unwinding roller 13, the first guide roller 14 and the second guide roller 15 for guiding the impregnated paper to be impregnated are arranged in the glue pool 16, further include: the first stirring part 2, the first stirring part 2 is located in the glue pool 16, the height of the impregnated paper at the bottom of the first guide roller 14 and the second guide roller 15 is lower than the height of the first stirring part 2, the first stirring part 2 includes the first stirring rod 22 rotatably connected at the bottom of the glue pool 16 and the motor 21 arranged below the glue pool 16 for driving the first stirring rod 22 to rotate, the first stirring part 2 is used for stirring the glue solution at the bottom of the impregnated paper;The second stirring part 3 is located in the glue pool 16, the height of the impregnated paper at the bottom of the first guide roller 14 and the second guide roller 15 is higher than the height of the second stirring part 3, the second stirring part 3 includes two limiting rods 39 fixedly connected in the glue pool 16 and the movable table 38 sleeved on the two limiting rods 39, the second stirring rod 310 is rotatably connected on both sides of the movable table 38, and the second stirring rod 310 is used for stirring the glue solution above the impregnated paper when the movable table 38 moves.
[0031] Specifically, the rack 11 is rotatably connected with a rotating rod 31, the rotating rod 31 and the output end of the motor 21 are fixedly connected with a belt pulley 32, the two belt pulleys 32 are drivingly connected through a transmission belt 33, the rotating rod 31 is fixedly connected with a first bevel gear 34, the glue pool 16 is rotatably connected with a screw rod 36, the screw rod 36 is fixedly connected with a second bevel gear 35 which is meshingly connected with the first bevel gear 34, the screw rod 36 penetrates through a screw sleeve 37, the screw rod 36 is threadedly connected with the screw sleeve 37, the screw sleeve 37 is fixedly connected with the movable table 38, the screw rod 36 and the screw sleeve 37 are provided with balls therebetween, the screw sleeve 37 is fixedly connected with the movable table 38, the screw rod 36 is used to drive the movable table 38 to move along the axial direction of the limiting rod 39 when the screw rod 36 rotates, and thus the linkage of the first stirring rod 22 and the second stirring component 3 can be driven by the single motor 21, power can be branched by the belt pulley 32 and the bevel gear set, and the energy consumption of the equipment can be reduced.
[0032] Secondly, the two second stirring rods 310 are fixedly connected with follow-up gears 313, the glue pool 16 is provided with two racks 314 which are respectively meshingly connected with the two follow-up gears 313, and the follow-up gears 313 and the racks 314 are used to drive the second stirring rod 310 to rotate when the second stirring rod 310 moves with the movable table 38, so as to further stir the glue liquid above the immersed paper, the linear motion of the movable table 38 is converted into the rotary motion of the second stirring rod 310 through the meshing of the follow-up gears 313 and the racks 314, a spiral flow field is formed on the surface of the glue liquid, and the uniformity of the glue liquid above the immersed paper in the glue pool 16 is improved.
[0033] Further, the second stirring rod 310 is fixedly connected with a rotating ring 311 which is arranged in a T-shaped cross section, the movable table 38 is provided with a movable groove 312 which is sized to be matched with the rotating ring 311, and the rotating ring 311 and the movable groove 312 are used to enable the second stirring rod 310 to rotate relative to the movable table 38 during the movement of the movable table 38, the cooperation between the T-shaped rotating ring 311 and the movable groove 312 allows the second stirring rod 310 to freely rotate during the movement while limiting the axial movement, so as to avoid the meshing failure of the follow-up gears 313 and the racks 314.
[0034] Further, the racks 314 extend along the axial direction of the limiting rod 39, and the effective meshing length of the racks 314 and the follow-up gears 313 is greater than the maximum moving stroke of the movable table 38, so that the follow-up gears 313 on the second stirring rod 310 remain continuously meshed with the racks 314 during the full stroke movement of the movable table 38, and the overtravel design of the racks 314 ensures that the follow-up gears 313 are always meshed during the full stroke, so as to avoid the interruption of the stirring action caused by the local disengagement.
[0035] Secondly, the first stirring rod 22 is made of flexible silicone rubber material, the Shore hardness of the silicone rubber material is 20A-60A, an anti-sticking coating is arranged on the outer surface of the first stirring rod 22, the surface energy of the anti-sticking coating is less than 25 mN / m, the flexible silicone rubber material can reduce the shear force when the stirring rod contacts with the glue liquid, prevent the thin impregnated paper (≤80 g / m²) from tearing, the anti-sticking coating can greatly reduce the residual amount of the glue liquid, and the cleaning cycle is prolonged from once a day to once a week, so that the labor cost is reduced.
[0036] In addition, the distance between the top end of the first stirring rod 22 and the bottom surface of the impregnated paper in the glue pool 16 is 20-30 cm, and the distance between the lowest point of the second stirring rod 310 in rotation and the upper surface of the impregnated paper in the glue pool 16 is 15-25 cm, so that the first stirring rod 22 and the second stirring rod 310 do not interfere with the continuous impregnation of the impregnated paper during work.
[0037] It should be noted that, during the operation of the device, the impregnated paper is guided to move at a uniform speed in the glue pool 16 by the guide roller to complete the impregnation, the flexible stirring rod located at the bottom of the glue pool 16 is driven to rotate by the motor 21, a low disturbance circulating flow field is formed below the paper to ensure that the viscosity of the glue liquid at the bottom is uniform, at the same time, the power of the motor 21 is transmitted to the screw rod 36 mechanism through the belt transmission and bevel gear set to drive the movable table 38 to reciprocate along the limiting rod 39, so that the upper movable stirring rod rotates during the translation process through the meshing of the follow-up gear 313 and the rack 314, the elastic deformation of the flexible stirring rod and the spiral trajectory of the movable stirring rod cooperate to form complementary flow fields above and below the paper respectively, so that the synchronous penetration and uniform distribution of the resin on both sides of the impregnated paper are realized, the motor 21 drives the movable table 38 to reciprocate through the alternate driving of forward and reverse rotation, when the movable table 38 moves to the limit position on one side of the glue pool 16, the motor 21 is reversed to return to the initial position.
[0038] It should be noted that the elastic performance of the flexible stirring rod needs to be detected regularly, the flexible stirring rod needs to be replaced in time if the surface anti-sticking coating peels off or the hardness changes beyond the limit, the screw rod 36 mechanism of the transmission system should be supplemented with high-temperature resistant lubricating grease every 48 hours and the belt tension should be kept stable, and manual intervention in the gear meshing area is strictly prohibited during the operation.
[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
Claims
1. An impregnated paper impregnation equipment, comprising an impregnation machine body (1), the impregnation machine body (1) comprising a machine frame (11), a winding roller (12) and a unwinding roller (13) arranged on the machine frame (11), a glue pool (16) is arranged between the winding roller (12) and the unwinding roller (13), a first guide roller (14) and a second guide roller (15) for guiding the impregnated paper to impregnate are arranged in the glue pool (16), characterized in that, Also include: The first stirring component (2) is located in the glue pool (16), the height is lower than the height of the impregnated paper of the bottom of the first guide roller (14) and the second guide roller (15), the first stirring component (2) comprises a first stirring rod (22) rotatably connected to the bottom of the glue pool (16) and a motor (21) arranged below the glue pool (16) for driving the first stirring rod (22) to rotate, and the first stirring component (2) is used for stirring the glue solution at the bottom of the impregnated paper; The second stirring component (3) is located in the glue pool (16), the height is higher than the height of the impregnated paper of the bottom of the first guide roller (14) and the second guide roller (15), the second stirring component (3) comprises two limiting rods (39) fixedly connected in the glue pool (16) and an activity platform (38) sleeved on the two limiting rods (39), both sides of the activity platform (38) are rotatably connected with the second stirring rod (310), and the second stirring rod (310) is used for stirring the glue solution above the impregnated paper when the activity platform (38) moves.
2. The impregnated paper sizing apparatus of claim 1, wherein: The rack (11) is rotatably connected with a rotating rod (31), the output end of the motor (21) is fixedly connected with a belt pulley (32), the two belt pulleys (32) are drivingly connected through a transmission belt (33), the rotating rod (31) is fixedly connected with a first bevel gear (34), the glue pool (16) is rotatably connected with a screw rod (36), the screw rod (36) is fixedly connected with a second bevel gear (35) meshingly connected with the first bevel gear (34), the screw rod (36) is threadedly connected with a screw sleeve (37), the screw rod (36) penetrates through the screw sleeve (37), the screw sleeve (37) is fixedly connected with the activity platform (38), and the screw rod (36) and the screw sleeve (37) are provided with balls.
3. The impregnated paper sizing apparatus of claim 1, wherein: The two second stirring rods (310) are fixedly connected with a follow-up gear (313), the glue pool (16) is provided with two racks (314) meshingly connected with the two follow-up gears (313), and the follow-up gear (313) and the rack (314) are used for driving the second stirring rod (310) to rotate when the activity platform (38) moves, so as to further stir the glue solution above the impregnated paper.
4. The impregnated paper sizing apparatus of claim 3, wherein: The second stirring rod (310) is fixedly connected with a rotating ring (311) arranged in a T-shaped cross section, the activity platform (38) is provided with an activity groove (312) matching the size of the rotating ring (311), and the rotating ring (311) and the activity groove (312) are used for enabling the second stirring rod (310) to rotate relative to the activity platform (38) during the movement of the activity platform (38).
5. The impregnated paper sizing apparatus of claim 4, wherein: The rack (314) is arranged along the axial extension of the limiting rod (39), and the effective meshing length of the rack (314) and the follow-up gear (313) is greater than the maximum moving stroke of the movable table (38), so that the follow-up gear (313) on the second stirring rod (310) keeps continuous meshing transmission with the rack (314) in the full stroke movement of the movable table (38).
6. The impregnated paper sizing apparatus of claim 1, wherein: The first stirring rod (22) is made of flexible silicone rubber material, the Shore hardness of the silicone rubber material is 20A-60A, and the outer surface is provided with an anti-sticking coating, and the surface energy of the anti-sticking coating is less than 25 mN / m.
7. The impregnated paper sizing apparatus of claim 1, wherein: The distance between the top end of the first stirring rod (22) and the bottom surface of the immersed paper in the glue pool (16) is 20-30 cm, and the distance between the lowest point of the second stirring rod (310) when rotating and the upper surface of the immersed paper in the glue pool (16) is 15-25 cm, so as to prevent the first stirring rod (22) and the second stirring rod (310) from interfering with the continuous impregnation of the immersed paper during work.
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