CN217989837U

CN217989837U - Coating die head and coating machine

Info

Publication number: CN217989837U
Application number: CN202221838086.1U
Authority: CN
Inventors: 陈贵山; 诸葛挺; 彭建林
Original assignee: Shenzhen Manst Technology Co Ltd
Current assignee: Shenzhen Manst Technology Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-09
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a coating die head and coating machine thereof, the coating die head includes: the lower die head comprises a base part positioned on one side of the narrow groove far away from the coating lip and a deformation part positioned on one side of the narrow groove close to the coating lip; the base part is provided with a first connecting hole, and the deformation part is provided with a second connecting hole; the rear side of the lower die head, which is back to the coating lip, is provided with an adjusting component; adjusting part gear seat, regulation pole and worm. The adjusting rod part penetrates through the first connecting hole of the lower die head base part and the second connecting hole of the deformation part, and the forward rotation or the reverse rotation of the adjusting rod is controlled to push the deformation part to deform. The coating die head is labor-saving and easy to operate, and the coating thickness adjusting efficiency is improved.

Description

Coating die head and coating machine

Technical Field

The utility model relates to a coating equipment technical field, concretely relates to coating die head and coating machine.

Background

Slit extrusion coating is a precise wet coating technology, and the working principle is that slurry is extruded and sprayed along a gap of a coating die head under a certain pressure and a certain flow rate and is transferred to a substrate.

The existing coating die head is composed of an upper die head, a lower die head and a gasket clamped in the upper die head, wherein the lower die head is provided with a cavity, slurry enters the cavity from a feed inlet, the front end of the gasket is provided with a lip for the slurry to flow out, the upper die head and the lower die head clamp the gasket to form a coating slit, the slurry is extruded and coated to a base material on a coating roller through the coating slit from the lip, and the slurry is coated on the base material to form a functional layer on the base material. Since the slurry is affected by temperature or viscosity, the transverse areal density of the coating is not uniform and requires adjustment of the assembly to adjust its uniformity.

The existing coating thickness adjusting assembly is generally characterized in that a groove is formed in a lower die head, the lower die head is divided into a base part and a deformation part by the groove, a plurality of bolt holes are formed in the coating width direction of the lower die head, a push-pull rod adjusting assembly is arranged in each bolt hole, the deformation amount of the deformation part is controlled by rotating the push-pull rod, the opening degree of a coating lip is adjusted, but the force required for deforming the deformation part by rotating the push-pull rod is large, and the adjustment is difficult.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses an overcome among the prior art and adopt rotatory push-and-pull rod to make the deformation portion of die head down produce the deformation and change the more hard defect of mode of the coating thickness of coating lip to a coating die head and coating machine are provided.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a coating die comprising: the die comprises an upper die head and a lower die head which are matched, wherein a gasket is arranged between the upper die head and the lower die head, the upper die head, the lower die head and the gasket are enclosed to form a coating slit, and a coating lip communicated with the coating slit is formed on the same side of the upper die head and the lower die head; a narrow groove is formed in one side, close to the coating lip, of the lower die head, the opening of the narrow groove is located on the bottom, facing away from the upper die head, of the lower die head, and the lower die head comprises a base portion located on one side, far away from the coating lip, of the narrow groove and a deformation portion located on one side, close to the coating lip, of the narrow groove; the base part is provided with a first connecting hole, an opening of the first connecting hole is positioned at the rear side of the lower die head back to the coating lip, and the deformation part is provided with a second connecting hole which is coaxial with the first connecting hole; the lower die head is provided with an adjusting component at the rear side back to the coating lip; the adjusting assembly comprises a gear seat fixed on the rear side of the lower die head, an adjusting rod, and a worm, wherein the adjusting rod is partially extended into the first connecting hole, one end of the adjusting rod is connected with the second connecting hole, and the worm is installed on the gear seat and partially matched with the adjusting rod, wherein the adjusting rod extends out of the first connecting hole.

According to some embodiments of the invention, the aperture of the first connection hole is larger than the aperture of the second connection hole.

According to the utility model discloses a some embodiments, the second connecting hole is the screw hole, the tip of adjusting the pole have with screw hole screw-thread fit's threaded end.

According to the utility model discloses a some embodiments, adjust the pole with the position cover that worm drive connects is equipped with the gear, tooth on the worm with tooth meshing transmission on the gear.

According to some embodiments of the utility model, adjust the pole with the both ends that the pinion stand is connected all through the bearing with the pinion stand is connected, two the bearing with it establishes to be equipped with the cover between the gear adjust the sleeve on the pole.

According to the utility model discloses a some embodiments, the periphery of adjusting the pole is equipped with the recess, the gear inboard is equipped with to inlay and establishes lug in the recess.

According to some embodiments of the present invention, the first connection holes are uniformly spaced apart from each other on the base, the second connection holes are uniformly spaced apart from each other on the deformation portion, and a group of the first connection holes and the second connection holes corresponding to each other are coaxially arranged; every group all be connected with one on the first connecting hole with the second connecting hole adjust the subassembly.

According to some embodiments of the utility model, adjust the axis direction of pole with the thick liquids outflow direction of coating below is the same, the axis direction perpendicular to of worm adjust the axis direction of pole.

According to some embodiments of the invention, the worm is connected with the drive the worm is around the rotatory driving motor of self axis.

The utility model also discloses a coating machine, this coating machine is equipped with above-mentioned coating die head.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a coating die head, on the first connecting hole of die head basal portion and the second connecting hole of pars morphorica were worn to locate down by the regulation pole portion, the worm is connected with adjusting the pole transmission, it is rotatory to drive the regulation pole through rotatory worm, it is connected with the second connecting hole to adjust the pole, through the forward or the reverse rotation of control regulation pole, take place deformation in order to promote the pars morphorica, because the turbine is big with the drive ratio of adjusting between the pole, only need less power alright take place deformation in the pars morphorica that makes the die head down, thereby adjust the homogeneity of coating thickness. The coating die head is labor-saving and easy to operate, and the coating thickness adjusting efficiency is improved.

2. The utility model provides a coating machine is equipped with foretell coating die head, and this coating machine coating thickness is adjusted laborsavingly conveniently, and coating thickness is even, becomes the high quality behind the coating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a coating die provided in some embodiments of the present invention;

fig. 2 is a schematic diagram of a lower die in some embodiments of the present invention;

fig. 3 is a cross-sectional view of a lower die in some embodiments of the present invention;

fig. 4 is a cross-sectional view of an adjustment assembly in some embodiments of the invention;

fig. 5 is a cross-sectional cut-away view of an adjustment assembly in some embodiments of the invention;

fig. 6 is another cross-sectional view of an adjustment assembly in some embodiments of the invention.

Description of reference numerals: 1. an upper die head; 2. a lower die head; 3. coating the lip; 4. an adjustment assembly; 21. a narrow groove; 22. a base; 23. a deformation section; 41. a gear seat; 42. adjusting a rod; 43. a worm; 44. a gear; 45. a sleeve; 46. a bearing; 221. a first connection hole; 231. a second connection hole; 421. a groove; 441. and (6) a bump.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown with reference to fig. 1, in some embodiments of the present invention, a coating die comprises: the die comprises an upper die head 1 and a lower die head 2 which are matched, wherein a gasket is arranged between the upper die head 1 and the lower die head 2, the upper die head 1, the lower die head 2 and the gasket are enclosed to form a coating slit, and a coating lip 3 communicated with the coating slit is formed on the same side of the upper die head 1 and the lower die head 2. Referring to fig. 2 and 3, the lower die 2 is provided with a narrow groove 21 on a side close to the coating lip 3, the opening of the narrow groove 21 is located on a bottom of the lower die 2 facing away from the upper die 1, and the lower die 2 includes a base portion 22 located on a side of the narrow groove 21 away from the coating lip 3 and a deformed portion 23 located on a side of the narrow groove 21 close to the coating lip 3. The base portion 22 is provided with a first connection hole 221, an opening of the first connection hole 221 is located at a rear side of the lower die 2 facing away from the coating lip 3, and the deformation portion 23 is provided with a second connection hole 231 coaxially disposed with the first connection hole 221. Referring to fig. 1 and 4, the rear side of the lower die 2 facing away from the coating lip 3 is provided with an adjusting assembly 4; the adjusting assembly 4 includes a gear holder 41 fixed to the rear side of the lower die 2, an adjusting lever 42 partially inserted into the first coupling hole 221 and having one end coupled to the second coupling hole 231, and a worm 43 installed on the gear holder 41 and engaged with a portion of the adjusting lever 42 extending out of the first coupling hole 221.

Specifically, when the worm 43 and the adjustment lever 42 are in transmission connection, and the worm 43 is rotated with a small force, the worm 43 and the adjustment lever 42 have a relatively large transmission, so that the adjustment lever 42 is screwed in the direction of the coating lip 3 or screwed out in the direction away from the coating lip 3 with the rotation of the worm 43, and the screwing in or screwing out of the adjustment lever 42 is determined by the forward rotation or the reverse rotation of the worm 43. The narrow groove 21 of the lower die 2 provided near the coating lip 3 divides the lower die 2 into the base 22 and the deforming part 23, and the adjustment rod 42 is inserted through the first connection hole 221 of the base 22 and the second connection hole 231 of the deforming part 23. In some embodiments of the present invention, when the worm 43 rotates positively, the adjusting rod 42 is driven to screw in toward the coating lip 3, and at this time, the adjusting rod 42 is connected to the second connecting hole 231, the deforming part 23 is driven to deform toward the narrow groove 21, the lip of the lower die head 2 is far away from the lip of the upper die head 1, the opening of the coating lip 3 is increased, and the coating thickness is increased; when the worm 43 rotates reversely, the adjusting rod 42 is driven to be screwed out in the direction away from the coating lip 3, at the moment, the adjusting rod 42 is gradually disconnected from the second connecting hole 231, the pulling force applied to the deformation part 23 is reduced, the deformation part 23 deforms in the direction away from the narrow groove 21, the lip of the lower die head 2 is close to the lip of the upper die head 1, the opening degree of the coating lip 3 is reduced, and the coating thickness is reduced.

It can be understood that the thickness of the coating can be adjusted by using a small force through the transmission connection between the worm 43 and the adjusting rod 42, the operation is simple and labor-saving, the adjusting speed is high, and the quality of the finished product can be improved.

Referring to fig. 3, in some embodiments of the present invention, the first connection hole 221 has a larger aperture than the second connection hole 231.

In some embodiments of the present invention, the second connection hole 231 is a threaded hole, and the end of the adjustment rod 42 has a threaded end that is in threaded engagement with the threaded hole.

Specifically, when the aperture of the first connection hole 221 is larger than that of the second connection hole 231, and the adjustment rod 42 penetrates through the base 22 and the deformation portion 23, the adjustment rod 42 does not rub against the base 22, so that the resistance of the adjustment rod 42 during screwing in or screwing out is reduced, and the purpose of saving labor can be further achieved while the adjustment rod 42 is prevented from being worn during long-term operation.

Referring to fig. 5 and 6, in some embodiments of the present invention, a gear 44 is sleeved on a position where the adjusting rod 42 is in transmission connection with the worm 43, and teeth on the worm 43 are in mesh transmission with teeth on the gear 44.

Specifically, the gear 44 is sleeved at the connecting position of the adjusting rod 42 and the worm 43, the gear 44 can increase the transmission ratio between the worm 43 and the adjusting rod 42, the larger the transmission ratio is, when the adjusting rod 42 rotates in a certain process, the smaller the force required for driving the worm 43 is, that is, the larger the transmission ratio is, the more labor can be saved during adjustment.

In some embodiments of the present invention, the two ends of the adjusting rod 42 connected to the gear seat 41 are connected to the gear seat 41 through the bearing 46, and a sleeve 45 is provided between the two bearings 46 and the gear 44 and is sleeved on the adjusting rod 42.

Specifically, the bearing 46 can support the adjusting lever 42, and the bearing 46 can reduce the friction coefficient of the adjusting lever 42 during the transmission process, thereby preventing the adjusting lever 42 from being worn out during long-time operation, reducing the number of times of replacing parts, and reducing the maintenance cost of the device. The sleeve 45 can fix the bearing 46 to avoid unnecessary sliding of the bearing 46 during transmission.

Referring to fig. 5, in some embodiments of the present invention, the adjusting rod 42 has a groove 421 at the periphery thereof, and a protrusion 441 embedded in the groove 421 is disposed at the inner side of the gear 44. Specifically, in order to avoid slipping between the gear 44 and the adjusting lever 42 during transmission, a protrusion 441 is disposed inside the gear 44, a groove 421 is disposed on the outer periphery of the adjusting lever 42, and the protrusion 441 is engaged with the groove 421, so that the gear 44 drives the adjusting lever 42 to rotate during transmission.

Referring to fig. 1, in some embodiments of the present invention, the first connection holes 221 are uniformly spaced on the base 22, the second connection holes 231 are uniformly spaced on the deformation portion 23, and a group of the first connection holes 221 and the second connection holes 231 corresponding to each other are coaxially disposed; one adjusting assembly 4 is coupled to each of the first and second coupling holes 221 and 231.

Specifically, the adjusting assemblies 4 are provided with a plurality of groups, so that each part of the coating lip 3 can be accurately adjusted, the coating uniformity is ensured, and the product quality is improved.

In some embodiments of the present invention, the axial direction of the adjusting rod 42 is the same as the slurry flowing out direction under the coating, and the axial direction of the worm 43 is perpendicular to the axial direction of the adjusting rod 42.

In some embodiments of the present invention, the worm 43 is connected with a driving motor for driving the worm 43 to rotate around its axis. Specifically, the automatic adjusting function is realized through the driving motor, automation is realized, the adjusting precision is guaranteed, the adjusting efficiency is improved, and the labor cost is reduced.

The utility model also discloses a coating machine is equipped with foretell coating die head, and this coating machine coating thickness is adjusted laborsavingly conveniently, and coating thickness is even, and the finished product quality is high after the coating.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A coating die comprising: the die comprises an upper die head (1) and a lower die head (2) which are matched, wherein a gasket is arranged between the upper die head (1) and the lower die head (2), the upper die head (1), the lower die head (2) and the gasket are enclosed to form a coating slit, and a coating lip (3) communicated with the coating slit is formed on the same side of the upper die head (1) and the lower die head (2);

a narrow groove (21) is formed in one side, close to the coating lip (3), of the lower die head, an opening of the narrow groove (21) is located at the bottom, facing away from the upper die head (1), of the lower die head (2), and the lower die head (2) comprises a base portion (22) located on one side, far away from the coating lip (3), of the narrow groove (21) and a deformation portion (23) located on one side, close to the coating lip (3), of the narrow groove (21);

the method is characterized in that:

a first connecting hole (221) is formed in the base portion (22), an opening of the first connecting hole (221) is located on the rear side, opposite to the coating lip (3), of the lower die head (2), and a second connecting hole (231) which is coaxial with the first connecting hole (221) is formed in the deformation portion (23);

the rear side of the lower die head (2), which is back to the coating lip (3), is provided with an adjusting component (4); the adjusting assembly (4) comprises a gear seat (41) fixed on the rear side of the lower die head (2), an adjusting rod (42) with a part extending into the first connecting hole (221) and one end connected with the second connecting hole (231), and a worm (43) which is installed on the gear seat (41) and matched with the part, extending out of the first connecting hole (221), of the adjusting rod (42).

2. The coating die according to claim 1, wherein the first connection holes (221) have a larger pore size than the second connection holes (231).

3. The coating die according to claim 1, wherein said second connection hole (231) is a threaded hole, and the end of said adjustment rod (42) has a threaded end that is threadedly engaged with said threaded hole.

4. The coating die head according to claim 1, wherein a gear (44) is sleeved on a position where the adjusting rod (42) is in transmission connection with the worm (43), and teeth on the worm (43) are in mesh transmission with teeth on the gear (44).

5. The coating die head according to claim 4, wherein both ends of the adjusting rod (42) connected with the gear seat (41) are connected with the gear seat (41) through bearings (46), and a sleeve (45) sleeved on the adjusting rod (42) is arranged between the two bearings (46) and the gear (44).

6. The coating die according to claim 4, characterized in that the adjusting rod (42) is provided with a groove (421) on its periphery and the gear (44) is provided with a projection (441) embedded in the groove (421) on its inside.

7. The coating die according to claim 1, wherein the first connecting holes (221) are arranged in plurality at regular intervals on the base (22), the second connecting holes (231) are arranged in plurality at regular intervals on the deformation portion (23), and a set of the first connecting holes (221) and the second connecting holes (231) corresponding in position are arranged coaxially; and one adjusting assembly (4) is connected to each group of the first connecting hole (221) and the second connecting hole (231).

8. The coating die according to claim 1, characterized in that the axial direction of the regulating rod (42) is the same as the outflow direction of the slurry under coating, and the axial direction of the worm (43) is perpendicular to the axial direction of the regulating rod (42).

9. Coating die according to claim 1, characterized in that a drive motor is connected to the worm (43) to drive the worm (43) in rotation about its axis.

10. A coater comprising the coating die of any one of claims 1 to 9.