CN217222174U

CN217222174U - Flow regulating mechanism, coating die head and coating device

Info

Publication number: CN217222174U
Application number: CN202220388412.7U
Authority: CN
Inventors: 诸葛挺; 彭建林
Original assignee: Shenzhen Manst Technology Co Ltd
Current assignee: Shenzhen Manst Technology Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-19
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a flow control mechanism, coating die head and coating unit, wherein, flow control mechanism includes: a drive assembly adapted to be mounted on the coating die; the input end of the reversing component is in driving connection with the output end of the driving component so as to be used for reversing the driving direction of the driving component; the actuating assembly is suitable for extending into the coating slit of the coating die head, and the input end of the actuating assembly is connected with the output end of the reversing assembly; and the driving component is used for driving the reversing component to move and driving the executing component to adjust the discharge amount of the coating slit. The utility model discloses improved flow control mechanism's structure, realized the flow control function, promoted the quality of coating, also reduced simultaneously flow control mechanism and occuping in complete machine direction of height's space, convenient packing, transportation also can avoid suffering the collision and cause the damage.

Description

Flow regulating mechanism, coating die head and coating device

Technical Field

The utility model relates to a coating unit technical field especially relates to a flow control mechanism, coating die head and coating unit.

Background

Slit extrusion coating is a precise wet coating technique, and the working principle of the slit extrusion coating 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. Compared with other coating methods, the method has many advantages, such as high coating speed, high precision and uniform wet thickness.

The conventional coating die comprises an upper die, a lower die and a gasket clamped in the upper die and the lower die, and slurry is extruded from a coating slit and coated on a base material. Since the thickness of the coating is not uniform due to factors such as the temperature or viscosity of the slurry, and the thickness of the coating needs to be adjusted, a flow adjusting mechanism is usually provided on the upper die to change the flow of the coating slit. The flow regulating mechanism comprises a plurality of regulating blocks, a differential head or an actuating mechanism and the like, when the flow is not required to be regulated, the regulating blocks are received in the containing groove of the upper die head, and when the flow is regulated, the regulating blocks are reduced to the coating slit from the containing groove by rotating the differential head.

However, the flow regulating mechanism is fixed on the upper die head, the vertical space occupied by the flow regulating mechanism is large, and for the whole equipment assembled with the flow regulating mechanism, a large packaging box body is needed in the transportation process, the protruding regulating device is easy to collide, the regulating sensitivity is slightly affected, and the regulating device is seriously generated to be scrapped.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flow control mechanism, coating die head and coating unit, when aiming at realizing the flow control function, reduce flow control mechanism and occupy in the space of complete machine direction of height to convenient packing, transportation, and avoid suffering the collision and cause the damage.

In order to achieve the above object, the utility model provides a flow control mechanism is applied to coating die head, include:

a drive assembly adapted to be mounted on the coating die;

the input end of the reversing component is in driving connection with the output end of the driving component so as to be used for reversing the driving direction of the driving component; and

the actuating assembly is suitable for extending into a coating slit of the coating die head, and the input end of the actuating assembly is connected with the output end of the reversing assembly;

the driving assembly is used for driving the reversing assembly to move and driving the executing assembly to adjust the discharge amount of the coating slit.

Optionally, the driving assembly includes a driving plate and a motor electrically connected to the driving plate; the reversing assembly is a cam assembly, the cam assembly comprising:

a cam seat;

the sliding piece is arranged on the cam seat in a sliding mode and is connected with the executing assembly; the sliding direction of the sliding piece is perpendicular to the extending direction of the output shaft of the motor; and

and the cam is rotatably embedded in the sliding piece and fixed on an output shaft of the motor.

Optionally, the cam seat is provided with a sliding groove, and the sliding piece is slidably connected with the cam seat through the sliding groove; or

The cam seat is provided with crossed roller guide rails, and the sliding piece is connected with the cam seat in a sliding mode through the crossed roller guide rails.

Optionally, the reversing assembly further comprises a bearing through which an output shaft of the motor is connected with the cam.

Optionally, the reversing assembly further comprises a displacement measuring member, and the displacement measuring member is arranged on the cam seat and is used for detecting the displacement of the sliding member relative to the cam seat.

Optionally, the displacement measuring part is a grating scale assembly, the grating scale assembly includes a grating scale and a grating scale reading head, the grating scale is disposed between the sliding part and the cam seat, and the grating scale reading head is disposed on the grating scale and is in signal connection with the driving plate; or

The displacement measuring part is an LVDT displacement sensor, and the LVDT displacement sensor is arranged on the cam seat and is in signal connection with the driving plate.

Optionally, the drive assembly comprises a linear motor; the reversing assembly is a first wedge follower assembly, the first wedge follower assembly comprising:

one end of the wedge-shaped block is connected with an output shaft of the linear motor;

the follow-up wheel is abutted to the inclined surface of the wedge block; and

and the first end of the self-recovery elastic shaft is fixedly connected with the follower wheel, and the second end of the self-recovery elastic shaft is connected with the execution assembly.

Optionally, the drive assembly comprises a motor; the reversing assembly is a second wedge follower assembly, the second wedge follower assembly comprising:

the screw rod is connected with an output shaft of the motor;

the nut seat is arranged on the screw rod;

the first wedge block is fixed on the nut seat;

the second wedge block is matched with the first wedge block and is connected with the execution component;

the elastic piece tensions the first wedge-shaped block and the second wedge-shaped block; and

the nut seat is arranged on one of the slide rails so as to move along a first direction; the second wedge-shaped block is arranged on the other slide rail so as to enable the second wedge-shaped block to move along a second direction.

Optionally, the reversing assembly further comprises a reversing housing, the reversing housing being covered on the cam assembly.

Optionally, the executive component is a T-shaped block, the T-shaped block comprises a rod body and a closure block connected with one end of the rod body, and the other end of the rod body is connected with the reversing component.

In order to realize the above object, the utility model discloses still provide a coating die head, include:

a first die head provided with at least one slot;

the second die head is fixedly connected with the first die head and forms a coating slit communicated with the slot; and

the flow regulating mechanism is the flow regulating mechanism, the number of the flow regulating mechanisms is the same as that of the slots, and the flow regulating mechanism is arranged on the first die and extends into the coating slit through the slots;

the flow rate adjustment mechanism includes:

a drive assembly adapted to be mounted on the coating die;

Optionally, the first die head is provided with a containing groove, at least one flow adjusting mechanism is fixed in the containing groove, and a protective cover is covered on the containing groove.

Optionally, the first die head is convexly provided with a convex beam along the length direction thereof, the driving assembly of the flow rate adjusting mechanism is fixed on the convex beam, and the convex beam is provided with a through hole for the output end of the driving assembly to penetrate through.

In order to achieve the above object, the present invention also provides a coating apparatus including the coating die as described above, the coating die including:

a first die head provided with at least one slot;

the flow rate adjustment mechanism includes:

a drive assembly adapted to be mounted on the coating die;

the driving component is used for driving the reversing component to move and driving the executing component to adjust the discharge amount of the coating slit.

In the technical scheme of the utility model, the flow adjusting mechanism comprises a driving component, a reversing component and an executing component; the driving component is suitable for being arranged on the coating die head; the input end of the reversing component is in driving connection with the output end of the driving component so as to be used for reversing the driving direction of the driving component; the actuating assembly is suitable for extending into a coating slit of the coating die head, and the input end of the actuating assembly is connected with the output end of the reversing assembly; the driving component is used for driving the reversing component to move and driving the executing component to adjust the discharging amount of the coating slit. The flow regulating device has the advantages that the reversing assembly is driven to move by the driving assembly, the executing assembly is driven to regulate the discharge amount of the coating slit, and the flow regulating function is realized; meanwhile, the reversing assembly is arranged to reverse the driving direction of the driving assembly, so that the whole flow regulating mechanism can be arranged along the length direction of the coating die head, the space occupation of the flow regulating mechanism in the height direction of the whole machine is reduced, the packaging and the transportation are convenient, and the damage caused by collision can be avoided.

Drawings

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

Fig. 1 is a schematic structural view of an embodiment of the flow rate adjusting mechanism of the present invention;

fig. 2 is a schematic structural view of another embodiment of the flow rate adjusting mechanism of the present invention;

fig. 3 is a schematic structural diagram of a cam assembly in an embodiment of the flow regulating mechanism of the present invention;

fig. 4 is a schematic structural view of another embodiment of the flow rate adjusting mechanism of the present invention;

FIG. 5 is a front view of FIG. 4;

fig. 6 is a cross-sectional view taken at a-a in fig. 5.

The reference numbers indicate:

10. a drive assembly; 20. a commutation assembly; 30. an execution component; 11. a drive plate; 12. a motor; 121. an output shaft; 210. a cam assembly; 230. a second wedge follower assembly; 211. a cam seat; 212. a slider; 213. a cam; 214. a cross roller guide rail; 215. a bearing; 216. a grating scale; 217. a grating scale reading head; 218. an LVDT displacement sensor; 231. a screw rod; 232. a nut seat; 233. a first wedge block; 234. a second wedge block; 235. an elastic member; 236. a slide rail; 240. a reversing shell; 310. a T-shaped block; 311. a rod body; 312. and (4) a flow interception block.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a flow control mechanism is applicable to coating unit, especially slit extrusion coating unit, and here is not limited.

Referring to fig. 1, in an embodiment of the present invention, the flow rate adjusting mechanism includes a driving assembly 10, a reversing assembly 20, and an executing assembly 30; the drive assembly 10 is adapted to be mounted on an applicator die; the input end of the reversing assembly 20 is in driving connection with the output end of the driving assembly 10, so as to perform reversing processing on the driving direction of the driving assembly 10; the actuating assembly 30 is suitable for extending into a coating slot of a coating die head, and the input end of the actuating assembly 30 is connected with the output end of the reversing assembly 20; the driving assembly 10 is used for driving the reversing assembly 20 to move and driving the executing assembly 30 to adjust the discharging amount of the coating slit.

In this embodiment, the driving assembly 10 may use the motor 12 as a power output component, and is not limited herein.

The reversing assembly 20 may employ a cam mechanism or a wedge mechanism, etc., without limitation.

The actuating assembly 30 may be a T-shaped block 310, and may also include an adjusting rod and an adjusting bar connected to the adjusting rod, which is not limited herein.

Referring mainly to fig. 2, when the actuating assembly 30 is a T-shaped block 310, the T-shaped block 310 may include a rod 311 and a stop block 312 connected to one end of the rod 311, and the other end of the rod 311 is connected to the reversing assembly 20.

In the technical scheme of the utility model, the flow regulating mechanism comprises a driving component 10, a reversing component 20 and an executing component 30; the drive assembly 10 is adapted to be mounted on an applicator die; the input end of the reversing assembly 20 is in driving connection with the output end of the driving assembly 10, so as to perform reversing processing on the driving direction of the driving assembly 10; the actuating assembly 30 is suitable for extending into a coating slot of a coating die head, and the input end of the actuating assembly 30 is connected with the output end of the reversing assembly 20; the driving assembly 10 is used for driving the reversing assembly 20 to move and driving the executing assembly 30 to adjust the discharging amount of the coating slit. It can be understood that the flow regulating function is realized by arranging the driving component 10 to drive the reversing component 20 to move and drive the executing component 30 to regulate the discharge amount of the coating slit; meanwhile, the reversing assembly 20 is arranged to perform reversing treatment on the driving direction of the driving assembly 10, so that the whole flow regulating mechanism can be arranged along the length direction of the coating die head, the space occupation of the flow regulating mechanism in the height direction of the whole machine is reduced, the packaging and the transferring are convenient, and the damage caused by collision can be avoided.

Referring to fig. 1 and 2, in one embodiment, the drive assembly 10 includes a drive plate 11 and a motor 12 electrically connected to the drive plate 11.

In this embodiment, the driving board 11 controls the motor 12, and the output shaft 121 of the motor 12 is connected to the input end of the commutation module 20.

The driving assembly 10 may further include a fixing seat, the motor 12 and the driving plate 11 are both mounted on the fixing seat, and the fixing seat is fixed on the coating die.

Referring to fig. 2 and 3, in an embodiment, the reversing assembly 20 can be a cam assembly 210, the cam assembly 210 including a cam seat 211, a slider 212, and a cam 213; the sliding part 212 is arranged on the cam seat 211 in a sliding way, and the sliding part 212 is connected with the executing assembly 30; and, the sliding direction of the slider 212 is perpendicular to the extending direction of the output shaft 121 of the motor 12; the cam 213 is rotatably fitted in the slider 212 and fixed to the output shaft 121 of the motor 12.

It can be understood that the rotation of the motor 12 drives the cam 213 to rotate, the rotation of the cam 213 drives the sliding element 212 to reciprocate in the cam seat 211, and the sliding element 212 further drives the actuating assembly 30 to move along the height direction of the coating die head to adjust the coating surface density.

In one embodiment, the cam seat 211 may be formed with a slide slot, and the slider 212 is slidably connected to the cam seat 211 through the slide slot. In this way, the sliding member 212 can reciprocate on the cam seat 211, so that the movement smoothness of the actuating assembly 30 is improved, and the coating uniformity is improved.

Of course, referring to fig. 2 and 3, in some other embodiments, the cam base 211 may be provided with a cross roller guide 214, and the slider 212 is slidably connected to the cam base 211 through the cross roller guide 214, so as to greatly improve the sliding smoothness of the slider 212, and further improve the accuracy of flow control.

Referring to fig. 2, in one embodiment, the reversing assembly 20 may further include a bearing 215, and the output shaft 121 of the motor 12 is coupled to the cam 213 through the bearing 215.

In this embodiment, by installing the bearing 215 additionally, the eccentric rotation of the far end of the output shaft 121 of the motor 12 can be limited, so as to improve the motion stability of the actuating assembly 30, improve the accuracy of flow control, and improve the uniformity of coating.

In order to further improve the accuracy of the flow rate adjustment mechanism for adjusting the flow rate and further improve the coating quality, referring to fig. 2, in an embodiment, the reversing assembly 20 may further include a displacement measuring member disposed on the cam seat 211 for detecting the displacement of the sliding member 212 relative to the cam seat 211.

Referring to fig. 2, in an embodiment, the displacement measuring member may be a grating scale assembly, the grating scale assembly includes a grating scale 216 and a grating scale reading head 217, the grating scale 216 is disposed between the sliding member 212 and the cam base 211, and the grating scale reading head 217 is disposed on the grating scale 216 and is in signal connection with the driving plate 11.

Referring to fig. 2, in another embodiment, the displacement measuring member may also be an LVDT displacement sensor 218, and the LVDT displacement sensor 218 is disposed on the cam seat 211 and is in signal communication with the drive plate 11.

Of course, in some other embodiments, referring to fig. 2, a combination of a grating scale assembly and an LVDT displacement sensor 218 may be used, and other displacement sensors may be used to detect the displacement of the slider 212 relative to the cam seat 211, which is not limited herein.

In one embodiment, the motor 12 is a linear motor 12; the reversing assembly 20 is a first wedge follower assembly that may include a wedge, a follower wheel, and a self-restoring elastomeric shaft; one end of the wedge block is connected with an output shaft 121 of the linear motor 12; the follower wheel is abutted against the inclined surface of the wedge-shaped block; the first end of the self-recovery elastic shaft is fixedly connected with the follower wheel, and the second end of the self-recovery elastic shaft is connected with the actuating assembly 30.

In this embodiment, the output shaft 121 of the linear motor 12 drives the wedge block to extend forward, and the follower wheel drives the self-recovery elastic shaft to press down, so as to drive the executing assembly 30 to press down, thereby realizing flow regulation. Similarly, the output shaft 121 of the linear motor 12 drives the wedge to return to the initial position, and the follower wheel rebounds under the action of the self-recovery elastic shaft to drive the actuating assembly 30 to rebound to the initial position.

Referring to fig. 4-6, in an embodiment, the reversing assembly 20 can be a second wedge follower assembly 230, the second wedge follower assembly 230 including a lead screw 231, a nut seat 232, a first wedge 233, a second wedge 234, a resilient member 235, and two slide rails 236; the screw rod 231 is connected with the output shaft 121 of the motor 12; the nut seat 232 is arranged on the screw rod 231; the first wedge block 233 is fixed on the nut seat 232; the second wedge block 234 is matched with the first wedge block 233, and the second wedge block 234 is connected with the execution component 30; the elastic piece 235 tensions the first wedge block 233 and the second wedge block 234; the nut seat 232 is disposed on a slide rail 236 thereof, so that the nut seat 232 moves along a first direction; the second wedge 234 is disposed on another slide rail 236 to move the second wedge 234 in a second direction.

The elastic member 235 may preferably be an extension spring, and is not limited herein.

In this embodiment, the first direction may be a horizontal direction, i.e., a length direction of the coating die; the second direction may be a height direction of the coating die.

In this embodiment, the screw 231 converts the driving direction of the motor 12, and under the driving of the motor 12, the screw 231 drives the first wedge 233 thereon to move, and drives the executing assembly 30 to move along the second direction through the second wedge 234. The elastic member 235 can tension the first wedge block 233 and the second wedge block 234 to ensure that the two wedge blocks can return to the initial positions.

In addition, in this embodiment, a displacement measuring device may be used to detect the displacement of the second wedge block 234 relative to the first wedge block 233, so as to improve the control accuracy. The displacement measuring element may also be a grating ruler assembly or an LVDT displacement sensor 218, and the like, which is not limited herein.

Referring to fig. 4 and 5, to protect the cam assembly 210 or the wedge follower assembly to improve the service life of the reversing assembly 20, in one embodiment, the reversing assembly 20 further includes a reversing housing 240, and the reversing housing 240 is housed over the cam assembly 210/first wedge follower assembly/second wedge follower assembly 230.

The utility model also provides a coating die head, this coating die head include flow control mechanism, and this flow control mechanism's concrete structure refers to above-mentioned embodiment, because the utility model provides a coating die head includes all schemes of above-mentioned flow control mechanism's all embodiments, consequently, at least have with the same technological effect of flow control mechanism, the explanation differs here.

In one embodiment of the present invention, the coating die comprises a first die, a second die, and at least one flow regulating mechanism; the first die head is provided with at least one slot; the second die head is fixedly connected with the first die head and forms a coating slit communicated with the slot; the quantity of the flow regulating mechanisms is the same as that of the slots, and the flow regulating mechanisms are installed on the first die head and extend into the coating slit through the slots.

In this embodiment, the first die head is provided with a containing groove, and the at least one flow rate adjusting mechanism is fixed in the containing groove.

That is to say, the utility model discloses a flow control mechanism can be fixed in on the first die head, on not changing the size of current coating die head, only need set up the fixed orifices on the die head and fix flow control mechanism, and is less to the change of coating die head volume like this, need not to carry out a large amount of cuttings to the die head. Or, with flow control mechanism holding in the storage tank, so, can need not to increase the whole volume of coating die head, greatly practice thrift space occupancy, make things convenient for packing, transportation, also can avoid suffering the collision and cause the damage.

In order to further protect the flow rate adjusting mechanism, in an embodiment, a protective cover is covered on the accommodating groove.

In one embodiment, the first die head is convexly provided with a convex beam along the length direction thereof, the driving assembly 10 of the flow rate adjusting mechanism is fixed on the convex beam, and the convex beam is provided with a through hole for the output end of the driving assembly 10 to penetrate through. Thus, the driving assembly 10 of the flow rate adjusting mechanism can be conveniently installed, and the convenience of assembly is improved.

The utility model also provides a coating device, this coating device include the coating die head, and the concrete structure of this coating die head refers to above-mentioned embodiment, because the utility model provides a coating device includes all schemes of all embodiments of above-mentioned coating die head, consequently, have at least with the same technological effect of coating die head, the explanation differs here.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A flow regulating mechanism for a coating die head, comprising:

a drive assembly (10) adapted to be mounted on the coating die;

the input end of the reversing assembly (20) is in driving connection with the output end of the driving assembly (10) so as to perform reversing processing on the driving direction of the driving assembly (10); and

an actuating assembly (30) adapted to extend into the coating slot of the coating die, the input end of the actuating assembly (30) being connected to the output end of the reversing assembly (20);

the driving assembly (10) is used for driving the reversing assembly (20) to move and driving the executing assembly (30) to adjust the discharge amount of the coating slit.

2. A flow regulating mechanism according to claim 1, characterized in that said drive assembly (10) comprises a drive plate (11) and a motor (12) electrically connected to said drive plate; the reversing assembly (20) is a cam assembly (210), the cam assembly (210) comprising:

a cam seat (211);

the sliding piece (212) is arranged on the cam seat (211) in a sliding mode, and the sliding piece (212) is connected with the executing assembly (30); the sliding direction of the sliding piece (212) is perpendicular to the extending direction of the output shaft (121) of the motor (12); and

and a cam (213) which is rotatably fitted in the slider (212) and fixed to the output shaft (121) of the motor (12).

3. The flow regulating mechanism according to claim 2, wherein the cam seat (211) is provided with a sliding groove, and the sliding member (212) is slidably connected with the cam seat (211) through the sliding groove; or alternatively

The cam seat (211) is provided with a crossed roller guide rail (214), and the sliding piece (212) is connected with the cam seat (211) in a sliding mode through the crossed roller guide rail (214).

4. The flow regulating mechanism of claim 2, characterized in that the reversing assembly (20) further comprises a bearing (215), the output shaft (121) of the motor (12) being connected to the cam (213) through the bearing (215).

5. The flow regulating mechanism according to claim 2, wherein the reversing assembly (20) further comprises a displacement measuring member provided on the cam seat (211) for detecting a displacement amount of the slider (212) with respect to the cam seat (211).

6. The flow regulating mechanism according to claim 5, wherein the displacement measuring member is a grating scale assembly, the grating scale assembly comprises a grating scale (216) and a grating scale reading head (217), the grating scale (216) is arranged between the sliding member (212) and the cam seat (211), and the grating scale reading head (217) is arranged on the grating scale (216) and is in signal connection with the driving plate (11); or

The displacement measuring part is an LVDT displacement sensor (218), and the LVDT displacement sensor (218) is arranged on the cam seat (211) and is in signal connection with the driving plate (11).

7. A flow regulating mechanism as claimed in claim 1, characterised in that said drive assembly comprises a linear motor (12); the reversing assembly (20) is a first wedge follower assembly comprising:

one end of the wedge block is connected with an output shaft (121) of the linear motor (12);

the follow-up wheel is abutted to the inclined surface of the wedge block; and

and a first end of the self-recovery elastic shaft is fixedly connected with the follower wheel, and a second end of the self-recovery elastic shaft is connected with the execution assembly (30).

8. A flow regulating mechanism according to claim 1, characterized in that said drive assembly comprises an electric motor (12); the reversing assembly (20) is a second wedge follower assembly (230), the second wedge follower assembly (230) comprising:

a screw (231), the screw (231) being connected to an output shaft (121) of the motor (12);

the nut seat (232) is arranged on the screw rod (231);

the first wedge block (233) is fixed on the nut seat (232);

a second wedge block (234) adapted to the first wedge block (233), the second wedge block (234) being connected to the execution component (30);

a spring (235), the spring (235) tensioning the first and second wedge blocks (233, 234); and

the two slide rails (236), the nut seat (232) is arranged on one of the slide rails (236) so as to enable the nut seat (232) to move along a first direction; the second wedge-shaped block (234) is arranged on the other slide rail (236) so that the second wedge-shaped block (234) moves along a second direction.

9. The flow regulating mechanism of claim 2, wherein the reversing assembly (20) further comprises a reversing housing (240), the reversing housing (240) being housed on the cam assembly (210).

10. The flow regulating mechanism according to claim 1, wherein the actuating member (30) is a T-block (310), the T-block (310) comprises a rod (311) and a flow stopping block (312) connected to one end of the rod (311), and the other end of the rod (311) is connected to the reversing member (20).

11. A coating die, comprising:

a first die head provided with at least one slot;

at least one flow regulating mechanism according to any one of claims 1 to 10, wherein the number of the flow regulating mechanisms is the same as that of the slots, and the flow regulating mechanisms are mounted on the first die and extend into the coating slit through the slots.

12. The coating die of claim 11, wherein the first die defines a receiving slot, at least one of the flow regulating mechanisms is secured in the receiving slot, and a protective cover is disposed over the receiving slot.

13. The coating die of claim 11 or 12, wherein the first die is convexly provided with a convex beam along the length direction thereof, the driving component (10) of the flow rate adjusting mechanism is fixed on the convex beam, and the convex beam is provided with a through hole for the output end of the driving component (10) to pass through.

14. A coating apparatus comprising a coating die according to any one of claims 11 to 13.