CN216459792U - Coating die head and coating machine thereof - Google Patents

Abstract

The utility model relates to the field of coating machines, in particular to a coating die head and a coating machine thereof. A coating die comprising: the die comprises at least two die bodies which are fixed in sequence, wherein a first die body is positioned at the head end, a second die body is positioned at the tail end, a coating gap and a coating opening communicated with the coating gap are formed between the die bodies, a groove perpendicular to the coating gap is further formed in the second die body close to the coating opening, and a push-pull adjusting mechanism is arranged on the second die body and used for adjusting the gap of the groove; the die body is characterized in that a first groove body which forms an included angle with a coating gap is further arranged at a position, close to the coating gap, on the first die body, a force application part is arranged on the first die body, and the force application part is used for adjusting the width of the first groove body. The utility model solves the problem that the lip mouth cannot be precisely adjusted by the adjusting piece on the lower die head of the coating machine.

Description

Coating die head and coating machine thereof

Technical Field

The utility model relates to the field of coating machines, in particular to a coating die head and a coating machine thereof.

Background

In the production process of the coating machine, due to the influence of a plurality of factors such as temperature, viscosity and the like, the coating thickness is not uniform in the transverse direction, and the coating thickness needs to be adjusted locally. In the existing coating machine, when the lower die head of the coating die head is adjusted, the adjusting piece cannot precisely adjust the lip opening between the upper die head and the lower die head, so that the thickness of the coating layer sprayed by the coating die head cannot be consistent, and the quality of the coating layer is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the adjusting piece on the lower die head of the coating machine in the prior art cannot precisely adjust the lip between the upper die head and the lower die head, thereby providing the coating die head and the coating machine thereof.

In order to solve the above problems, the present invention provides a coating die comprising:

the die comprises at least two die bodies which are fixed in sequence, wherein a first die body is positioned at the head end, a second die body is positioned at the tail end, a coating gap and a coating opening communicated with the coating gap are formed between the die bodies, a groove perpendicular to the coating gap is further formed in the second die body close to the coating opening, and a push-pull adjusting mechanism is arranged on the second die body and used for adjusting the gap of the groove;

the die is characterized in that a first die body close to the coating port is further provided with a first groove body forming an included angle with the coating gap, a force application piece is arranged on the first die body, and the force application piece is used for adjusting the width of the first groove body.

Optionally, the two sides of the groove are respectively a deformation portion and a base portion, the base portion is provided with a first hole body, the deformation portion is provided with a second hole body, and the first hole body is communicated with the second hole body through the groove.

Optionally, the first hole body and the second hole body are both threaded holes, and the inner diameter of the first hole body is larger than that of the second hole body;

the push-pull adjusting mechanism comprises a push rod and a pull rod, the push rod comprises a first rod body and a second rod body which are connected, external threads matched with the first hole body are arranged on the peripheral surface of the first rod body, and the diameter of the second rod body is larger than the inner diameter of the second hole body;

the pull rod comprises a third rod body and a fourth rod body which are connected, the diameter of the third rod body is smaller than the inner diameter of the first hole body, and an external thread matched with the second hole body is arranged on the outer peripheral surface of the fourth rod body.

Optionally, the first hole body, the second hole body and the push-pull adjusting mechanism are all arranged at equal intervals.

Optionally, a first groove body and a second groove body are arranged on the first die body and close to the coating port, the second groove body is perpendicular to the first groove body, and the force application piece moves along the second groove body to apply force to the first die body on the periphery of the first groove body so that the first die body moves towards the second die body.

Optionally, an internal thread is arranged in the second groove body, and the force application member is a combination bolt.

Optionally, a distribution cavity and a feed inlet are further formed in the second die body, and the coating gap is connected with the feed inlet through the distribution cavity.

Optionally, the first mold body and the second mold body are rotationally connected.

Optionally, the coating device further comprises a hinge which is far away from the coating opening and arranged on the side surfaces of the first die body and the second die body, and the first die body and the second die body are connected in a rotating mode through the hinge.

Also provided is a coating machine comprising the coating die head.

The technical scheme of the utility model has the following advantages:

1. the coating die head provided by the utility model comprises at least two die bodies which are fixed in sequence, wherein the first die body is positioned at the head end, the second die body is positioned at the tail end, a coating gap and a coating opening communicated with the coating gap are formed between the die bodies, a groove vertical to the coating gap is arranged on the second die body close to the coating opening, a material pushing and adjusting mechanism is arranged on the second die body, and the pushing and pulling adjusting mechanism is used for adjusting the gap of the groove so as to adjust the gap of the coating opening through the groove; the first die body is provided with a first groove body forming an included angle with the coating gap at a position close to the coating port, a force application part is arranged on the first die body and used for adjusting the width of the first groove body, and the force application part acts on the first groove body to adjust the gap of the coating port by adjusting the width of the first groove body. The coating die head provided by the utility model can adjust the gap of the coating opening through two die bodies simultaneously, and also can adjust the gap of the coating opening through one die body, thereby being convenient for the operation of workers.

2. According to the coating die head provided by the utility model, the two sides of the groove are respectively provided with the deformation part and the base part, the base part is provided with the first hole body, the deformation part is provided with the second hole body, the first hole body is communicated with the second hole body through the groove, and the push-pull adjusting mechanism penetrates through the first hole body and the groove to be matched with the second hole body to precisely adjust the gap of the coating opening.

3. According to the coating die head provided by the utility model, the first hole body and the second hole body are both threaded holes, and the inner diameter of the first hole body is larger than that of the second hole body; the push-pull rod adjusting mechanism comprises a push rod and a pull rod, the push rod comprises a first rod body and a second rod body which are connected, the peripheral surface of the first rod body is provided with external threads matched with the first hole body, and the diameter of the second rod body is larger than the inner diameter of the second hole body; the pull rod comprises a third rod body and a fourth rod body which are connected and arranged, the diameter of the third rod body is smaller than the inner diameter of the first hole body, and the outer peripheral surface of the fourth rod body is provided with an external thread matched with the second hole body. The inner diameter of the first hole body is larger than that of the second hole body so that a push rod or a rod body of a pull rod of the push-pull rod adjusting mechanism penetrates through the base part to reach the deformation part. The first rod body of push rod is equipped with on global external screw thread, the diameter of the second rod body of with first hole body adaptation be greater than the internal diameter of the second hole body to make the second rod body not get into the second hole body but the butt on the deformation portion, rotate the first rod body and make external screw thread on the outer peripheral face and the cooperation of first hole body internal thread promote the motion of second rod body motion drive deformation portion, thereby reduce the height of coating mouth. The third body of rod of pull rod can be at the internal motion of first hole, and the external screw thread and the second hole body adaptation of fourth rod body periphery rotate the pull rod so that the fourth body of rod and the cooperation of second hole body drive the motion of pull rod pulling deformation portion to increase coating mouth height.

4. According to the coating die head provided by the utility model, the first hole body, the second hole body and the push-pull rod adjusting mechanism are arranged at equal intervals, and the interval arrangement is favorable for adjusting the heights of the coating openings at different positions of the coating die head, so that workers can correspondingly adjust the heights according to actual conditions, and the coating thickness sprayed by the coating openings is uniform.

5. According to the coating die head provided by the utility model, the first die body is provided with the first groove body and the second groove body close to the coating opening, the second groove body is perpendicular to the first groove body, the second groove body is internally provided with the force application piece, the force application piece moves along the second groove body so as to apply force to the first die body on the periphery of the first groove body, so that the first die body moves towards the second die body, and the height of the coating opening is reduced. An internal thread is arranged in the second groove body, and the force application piece is a combined thread. The force application piece moves along the second die body to apply force to the first die body, and the first die body is driven to move towards the second die body through the cooperation of the assembling bolts, so that the height of the coating opening is reduced.

6. According to the coating die head provided by the utility model, the second die body is internally provided with the distribution cavity and the feeding hole, and the coating gap is connected with the feeding hole through the distribution cavity, so that slurry enters from the coating hole and is distributed to the coating gap through the distribution cavity, and the slurry is more uniformly distributed in the coating gap.

7. The coating die head provided by the utility model further comprises a hinge which is arranged on the side surfaces of the first die body and the second die body at a position far away from the coating port, and the first die body is rotatably connected with the second die body through the hinge so as to better realize the matching and installation between the first die body and the second die body.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a rear view of a coating die provided in an embodiment of the present invention;

FIG. 2 is a top view of a coating die provided in an embodiment of the present invention;

FIG. 3 is an A-A view of a coating die provided in an embodiment of the present invention;

FIG. 4 is a schematic illustration of a pushrod for a coating die provided in an embodiment of the present invention;

FIG. 5 is a drawing bar diagram of a coating die provided in an embodiment of the present invention;

fig. 6 is a structural view of a force application member of a coating die provided in an embodiment of the present invention.

Description of reference numerals: 1. a first mold body; 2. a gasket; 3. a second mold body; 4. a hinge; 5. a feed inlet; 6. a push-pull adjusting mechanism; 7. a second tank body; 8. a push rod; 9. a pull rod; 10. a force application member; 11. a first tank body; 12. coating a gap; 13. a coating port; 14. a deformation section; 15. a cover plate; 16. a second aperture body; 17. a groove; 18. a base; 19. a first aperture body; 20. a first rod body; 21. a second rod body; 22. a third rod body; 23. a fourth rod body; 24. a first bolt; 25. a second bolt; 26. a dispensing chamber.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The coating die embodiments shown in fig. 1-6, comprise: the die comprises two die bodies which are fixed in sequence, wherein a first die body 1 is positioned at the head end, a second die body 3 is positioned at the tail end, a gasket 2 is arranged between the first die body 1 and the second die body 3, and a coating gap 12 and a coating opening 13 communicated with the coating gap 12 are formed at the joint of the first die body 1 and the second die body 3.

As shown in fig. 1, 2, and 3, a first groove 11 and a second groove 7 are disposed on the first mold body 1 near the coating opening 13, the second groove 7 is perpendicular to the first groove 11, a threaded hole is disposed in the first groove 11 near the coating opening 13, and the force applying member 10 passes through the first groove 11 and is in threaded connection with the threaded hole. Specifically, the force applying member 10 is a combination bolt. The assembling bolt comprises a first bolt 24 and a second bolt 25, the external thread of the second bolt 25 is in threaded connection with the second groove body 7, the internal thread of the second bolt 25 is in threaded connection with the external thread of the first bolt 24, and the first bolt 24 is screwed to drive the second bolt 25 to rotate so as to realize the precise adjustment of the height of the coating opening through the thread pitch difference between the two bolts. The second die body 3 is provided with a U-shaped groove 17 near the coating opening 13, the groove 17 and the coating gap 12 are arranged at a right angle, wherein, the two sides of the groove 17 of the second die body 3 are respectively a deformation part 14 and a base part 18, the base part 18 and the deformation part 14 are respectively provided with a first hole body 19 and a second hole body 16 which are coaxial, the first hole body 19 and the second hole body 16 are threaded holes, and the inner diameter of the first threaded hole is larger than that of the second threaded hole. In order to realize the uniform distribution of the slurry, the second die body 3 is also provided with a distribution cavity 26 and a feed port 5, and the coating gap is connected with the feed port 5 through the distribution cavity 26. As shown in fig. 3, in order to prevent the entry of foreign matters, a cover plate 15 is provided on the second casing 3 near the coating opening 13 to cover the screw hole of the deformation portion 14. In order to realize the rotary connection between the first die body 1 and the second die body 3, the hinge device further comprises a hinge 4 arranged on the side surfaces of the first die body 1 and the second die body 3.

As shown in fig. 1, 3, 4 and 5, in order to realize the height adjustment of the coating port 13 through the U-shaped groove of the second die body 3, a push-pull adjusting mechanism 6 is further included. The push-pull adjusting mechanism 6 comprises a push rod 8 and a pull rod 9, the push rod 8 comprises a first rod body 20 and a second rod body 21 which are connected, external threads matched with the first threaded hole are arranged on the peripheral surface of the first rod body 20, the diameter of the second rod body 21 is larger than the inner diameter of the second threaded hole, the length of the first rod body 20 is larger than the sum of the width of the base body and the width of the U-shaped groove 17, and therefore the front end of the second rod body 21 can be abutted against the outer portion of the second threaded hole; the pull rod 9 comprises a third rod body 22 and a fourth rod body 23 which are connected, the diameter of the third rod body 22 is smaller than the inner diameter of the first threaded hole, an external thread matched with the second threaded hole is arranged on the peripheral surface of the fourth rod body 23, and the length of the third rod body 22 is larger than the sum of the width of the base body and the width of the U-shaped groove 17, so that the fourth rod body 23 can be inserted into the second threaded hole.

As shown in fig. 1 and 2, to accurately adjust the coating ports 13, 17 through internal threaded holes and assembling bolts in the first mold body 1 are arranged in the same number and at equal intervals, and 18 through internal threaded holes, 18 through internal threaded holes and 18 through push-pull adjusting mechanisms 6 are arranged in the same number and at equal intervals.

During the specific adjustment process of the coating die, the first die body 1 and the second die body 3 realize relative rotation through the hinge 4. When the height of the coating opening 13 is adjusted through the second die body 3, a worker sequentially penetrates the push rod 8 through the first hole body 19 and the groove 17 to enable the second rod body 21 to abut against the side face of the deformation part 14, the push rod 8 is rotated to enable the first rod body 20 to be matched with the first hole body 19, and force applied to the second rod body 21 towards the deformation part 14 is applied to push the deformation part 14 to deform towards the coating opening 13, so that the height of the coating opening 13 is reduced; in order to increase the height of the coating opening 13, the worker sequentially penetrates the pull rod 9 through the first hole 19 and the groove 17, makes the fourth rod 23 enter the second hole 16, and rotates the fourth rod 23 to make the deformation part 14 subject to a force towards the base 18 through the thread on the periphery of the fourth rod 23 and the thread in the second hole 16, so that the deformation part 14 is deformed towards the base 18, and the height of the coating opening 13 is increased. When the height of coating mouth 13 is adjusted through first die body 1, second bolt 25 is fixed in the screw hole of second cell body 7, and the internal thread of second bolt 25 and the external screw thread connection of first bolt 24 rotate first bolt 24 in order to drive second bolt 25 and rotate to realize being close to or keeping away from of first die body 1 relative second die body 3, in order to adjust the height of coating mouth 13.

A coating machine having the above coating die.

The coating die body provided by the utility model can realize double adjustment of the coating port 13 between the upper die head and the lower die head, increases the adjustment amount and makes the adjustment forms more diversified. In addition, the plurality of combination bolts and the push-pull adjusting mechanism 6 enable adjustment to be more intensive and adjustment of the transverse coating thickness to be smoother.

As an alternative embodiment, the shape of the groove 17 may also be other shapes.

As an alternative embodiment, another mold may be disposed between the first mold 1 and the second mold 3.

As an alternative embodiment, the base 18 and the deformation portion 14 may further have sliding grooves therein, the push rod 8 and the pull rod 9 are provided with protruding locking ends, the pull rod 9 is rotated after passing through the base 18 and the deformation portion 14 along the sliding grooves, so that the locking ends are dislocated from the sliding grooves, and then the pull rod 9 is pulled to adjust the deformation portion to achieve the purpose of increasing the height of the coating opening 13; after the push rod 8 passes through the base 18 along the chute, the locking end is dislocated with the chute by rotating and is abutted against the deformation part, and the purpose of reducing the height of the coating opening 13 is achieved by pushing the section deformation part of the push rod 8.

As an alternative embodiment, the number of the through-threaded holes, the first threaded holes, the second threaded holes, the combination bolts and the push-pull adjusting mechanisms 6 in the first mold body 1 may also be 1, 2, 3 or even more.

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 of the utility model may be made without departing from the spirit or scope of the utility model.

Claims (10)

1. A coating die, comprising:

the die comprises at least two die bodies which are fixed in sequence, wherein a first die body (1) is positioned at the head end, a second die body (3) is positioned at the tail end, a coating gap (12) and a coating opening (13) communicated with the coating gap (12) are formed between the die bodies, a groove (17) which is perpendicular to the coating gap (12) is further formed in the second die body (3) close to the coating opening (13), a push-pull adjusting mechanism (6) is arranged on the second die body (3), and the push-pull adjusting mechanism (6) is used for adjusting the gap of the groove (17);

the coating device is characterized in that a first groove body (11) forming an included angle with a coating gap (12) is further arranged at a position, close to the coating opening (13), on the first die body (1), a force application piece (10) is arranged on the first die body (1), and the force application piece (10) is used for adjusting the width of the first groove body (11).

2. The coating die head according to claim 1, wherein the groove (17) is provided with a deformation part (14) and a base part (18) on two sides, the base part (18) is provided with a first hole body (19), the deformation part (14) is provided with a second hole body (16), and the first hole body (19) is communicated with the second hole body (16) through the groove (17).

3. The coating die according to claim 2, characterized in that said first and second bodies (19, 16) are threaded and in that said first body (19) has an internal diameter greater than the internal diameter of said second body (16);

the push-pull adjusting mechanism (6) comprises a push rod (8) and a pull rod (9), the push rod (8) comprises a first rod body (20) and a second rod body (21) which are connected, external threads matched with the first hole body (19) are arranged on the peripheral surface of the first rod body (20), and the diameter of the second rod body (21) is larger than the inner diameter of the second hole body (16);

the pull rod (9) comprises a third rod body (22) and a fourth rod body (23) which are connected and arranged, the diameter of the third rod body (22) is smaller than the inner diameter of the first hole body (19), and the outer peripheral surface of the fourth rod body (23) is provided with an external thread matched with the second hole body (16).

4. The coating die head according to claim 3, wherein the first hole body (19), the second hole body (16) and the push-pull adjusting mechanism (6) are arranged in plurality at equal intervals.

5. The coating die head according to claim 1, wherein a first groove body (11) and a second groove body (7) are arranged on the first die body (1) close to the coating port (13), the second groove body (7) is perpendicular to the first groove body (11), and the force application member (10) moves along the second groove body (7) to apply force to the first die body (1) on the periphery of the first groove body (11) so that the first die body (1) moves towards the second die body (3).

6. The coating die head according to claim 5, wherein the second groove body (7) is internally threaded, and the force application member (10) is a combination bolt.

7. A coating die according to any one of claims 1 to 6, characterized in that a distribution cavity (26) and a feed opening (5) are further provided in the second die body (3), and the coating gap (12) is connected with the feed opening (5) through the distribution cavity (26).

8. Coating die according to any of claims 1 to 6, characterized in that the first body (1) and the second body (3) are rotationally connected.

9. A coating die according to claim 8, further comprising a hinge (4) provided on the side of said first and second bodies (1, 3) remote from said coating orifice (13), said first and second bodies (1, 3) being rotatably connected by said hinge (4).

10. A coating machine comprising a coating die according to any one of claims 1 to 9.

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