Automatically adjusted coating machine die head

Abstract

The utility model discloses a coating machine die head capable of automatically adjusting, which belongs to the technical field of lithium ion battery pole piece coating equipment, aims to solve the problem of automatic adjustment of the density of a coating surface in the prior art, and comprises a die head body and a density adjusting device arranged on the die head body, the density adjusting device comprises an adjusting mechanism mounting seat fixedly mounted on the die head body, an adjusting motor arranged on the adjusting mechanism mounting seat, a coupler mounted at the power output end of the adjusting motor, and a flow adjusting block which is in transmission connection with the adjusting motor through the coupler and is movably mounted in the die head body; the adjusting motor drives the flow adjusting block to move up and down in the die head body and is used for controlling the overflowing section of coating fluid in the die head body. According to the utility model, the overflowing section of the coating inside the die head body can be accurately controlled, and the density of the coating surface of the die head of the coating machine can be accurately adjusted.

Description

Technical Field

[0001] The utility model relates to an automatically adjustable coating machine die head, belonging to the technical field of lithium ion battery pole piece coating equipment. Background Art

[0002] In the current lithium-ion battery pole piece coating process, extrusion coating is mostly used, and the extrusion coating die head generally adopts a micrometer head adjustment mechanism to achieve the lateral adjustment function of the coating surface density. The existing micrometer head coating die heads all have a row of micrometer heads arranged in the lateral direction of the die head, and the micrometer heads are adjusted manually; therefore, the existing micrometer head coating die head adjustment method is limited by the micrometer head size and the operating space for manual adjustment;

[0003] Secondly, during the adjustment process, the lateral width of the adjustment block on the die body is usually more than 45mm, and the adjustment range of a single adjustment block is too large, making it difficult to achieve fine adjustment of surface density consistency. In addition, under manual adjustment, it is difficult to achieve high-quality adjustment of surface density due to the influence of personnel skill level. In the situation where the requirements for coating surface density consistency are becoming stricter, it is very necessary to achieve automatic and precise adjustment of surface density. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the deficiencies in the prior art, the utility model provides an automatically adjustable coating machine die head, which drives the flow regulating block to move up and down in the die head body by adjusting the power of the motor, thereby realizing automatic, flexible and precise control of the flow cross-section of the coating inside the die head body, thereby adjusting the coating surface density of the coating machine die head.

[0005] In order to achieve the above purpose / solve the above technical problems, the utility model is implemented by adopting the following technical solutions:

[0006] An automatically adjustable coating machine die head comprises: a die head body, a density adjustment device installed on the die head body;

[0007] The density adjustment device comprises: an adjustment mechanism mounting seat fixedly mounted on the die body, a pressure cover mounted on the top of the adjustment mechanism mounting seat, an adjustment motor arranged on the adjustment mechanism mounting seat, a coupling mounted on the power output end of the adjustment motor, and a flow adjustment block connected to the adjustment motor through the coupling and movably mounted inside the die body;

[0008] The power output by the regulating motor drives the flow regulating block to move up and down inside the die body, so as to control the flow cross section of the coating fluid inside the die body, so as to adjust the coating surface density of the coater die.

[0009] Optionally, the density adjustment device further comprises: a pressure cover mounted on the adjustment mechanism mounting seat and limiting the adjustment motor.

[0010] Optionally, the extension direction of the adjustment mechanism mounting seat is consistent with the extension direction of the die body, and the adjustment mechanism mounting seat is respectively provided with a positioning groove and a limit groove adapted to the adjustment motor, a first limit hole adapted to the pressure cover, a receiving space for accommodating the coupling, and a connecting through hole adapted to the die body; the first limit hole is a first threaded hole.

[0011] Optionally, the positioning grooves are staggeredly arranged on both side surfaces of the adjustment mechanism mounting seat, and the positioning grooves on the two side surfaces are relatively parallel; the limiting grooves are symmetrically arranged on both side surfaces of the adjustment mechanism mounting seat, and the positioning grooves on the two side surfaces are at the same height.

[0012] Optionally, a motor fixing assembly is provided on the side of the adjusting motor; a telescopic shaft is provided at the power output end of the adjusting motor, and the telescopic shaft is driven to reciprocate by the power of the adjusting motor.

[0013] Optionally, the motor fixing assembly includes: a limiting protrusion fixedly connected to the side of the adjusting motor and having one end engaged with the limiting groove and the other end abutting against the pressure cover, and a positioning key fixedly connected to the limiting protrusion and engaged with the positioning groove.

[0014] Optionally, the coupling is an integrated special-shaped structure, and the coupling comprises: a first end portion close to one side of the adjusting motor, a wedge-shaped connecting piece fixedly connected to the bottom of the first end portion, and a second end portion fixedly connected to the bottom of the wedge-shaped connecting piece;

[0015] Among them, a mounting hole for plugging with the telescopic shaft is opened on the first end; a connecting hole for connecting with the flow regulating block is opened on the second end; and the mounting hole is a vertical mounting hole.

[0016] Optionally, the mounting hole is matched with the telescopic shaft clearance, and a gap and a locking hole passing through the gap are opened on one side of the mounting hole. The size of the gap is adjusted by a locking piece, and the locking piece is a locking screw; the aperture of the mounting hole is adjusted so that the mounting hole tightly embraces the telescopic shaft, which is used for fixed connection between the coupling and the adjusting motor.

[0017] Optionally, the flow regulating block is an integrated special-shaped structure, and the flow regulating block comprises: a connecting rod, and a regulating head fixed at one end of the connecting rod;

[0018] Wherein, the end of the connecting rod away from the adjusting head is used to connect with the second end;

[0019] The regulating head is accommodated in the die body and is used to control the flow cross section of the die coating fluid.

[0020] Optionally, a fitting surface and a second limiting hole are provided on the end of the connecting rod;

[0021] Among them, the fitting surface is adapted to the second end; the second limiting hole is arranged on the fitting surface and corresponds to the connecting hole of the second end; the second limiting hole is a second threaded hole, which is used for fixed connection between the flow regulating block and the coupling.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] By adjusting the power of the motor to drive the flow regulating block to move up and down in the die body, the coating flow cross-section inside the die body can be automatically, flexibly and accurately controlled, thereby adjusting the coating surface density of the coater die.

[0024] In the limited lateral space of the die body, the regulating motors are arranged alternately on both sides of the longitudinal space to increase the number of flow regulating blocks, thereby reducing the lateral range of the flow regulating blocks and improving the coating surface density in a refined manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Shown is a three-dimensional structural diagram of the automatic precision adjustment die head of the utility model;

[0026] Figure 2 Shown is the front view of the automatic precision adjustment die head of the utility model;

[0027] Figure 3 Shown is a structural diagram of the density adjustment device of the utility model;

[0028] Figure 4 Shown is a structural diagram of the adjustment mechanism mounting seat of the utility model;

[0029] Figure 5 Shown is the structural diagram of the regulating motor of the utility model;

[0030] Figure 6 Shown is a structural diagram of a coupling of the utility model;

[0031] Figure 7 Shown is a structural diagram of the flow regulating block of the utility model.

[0032] Figure markings: 1. die body; 2. adjustment mechanism mounting seat; 3. pressure cover; 4. adjustment motor; 5. coupling; 6. flow adjustment block; 2.1. positioning groove; 2.2. limit groove; 2.3. first threaded hole; 2.4. accommodation space; 2.5. connecting through hole; 4.1. positioning key; 4.2. limit protrusion; 4.3. telescopic shaft; 5.1. vertical mounting hole; 5.2. gap; 5.3. locking hole; 5.4. connecting hole; 6.1. adjustment head; 6.2. connecting rod; 6.21. fitting surface; 6.22. second threaded hole. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0034] like Figures 1 to 3 The automatically adjustable coating machine die shown comprises: a die body 1, a density adjusting device installed on the die body 1, and further the density adjusting device comprises: an adjusting mechanism mounting seat 2, a pressure cover 3, an adjusting motor 4, a coupling 5, and a flow adjusting block 6; wherein, the adjusting mechanism mounting seat 2 is fixedly mounted on the die body 1 and arranged longitudinally along the upper surface of the die body 1, the pressure cover 3 is mounted on the adjusting mechanism mounting seat 2, the adjusting motor 4 is arranged on the adjusting mechanism mounting seat 2, the coupling 5 is mounted on the power output end of the adjusting motor 4, the flow adjusting block 6 is transmission-connected to the adjusting motor 4 through the coupling 5, and the flow adjusting block 6 is movably mounted inside the die body 1; the power output by the adjusting motor 4 drives the flow adjusting block 6 to move up and down inside the die body 1, so as to control the flow cross section of the coating fluid inside the die body 1, and finally realize the coating density adjustment of the coating machine die on the coating surface.

[0035] Preferably, Figure 4 The adjustment mechanism mounting seat 2 shown includes: a positioning groove 2.1, a limiting groove 2.2, a first threaded hole 2.3, a receiving space 2.4, and a connecting through hole 2.5; wherein, the positioning groove 2.1 and the limiting groove 2.2 are used for fixedly connecting and adapting to the adjustment motor 4, the first threaded hole 2.3 is used for fixedly connecting and adapting to the pressure cover 3 through screws, the receiving space 2.4 is used for accommodating the coupling 5, and the connecting through hole 2.5 is used for fixedly connecting and adapting to the die body 1 through screws.

[0036] Preferably, the positioning grooves 2.1 are staggered on the two longitudinal sides of the adjustment mechanism mounting seat 2, and the positioning grooves 2.1 on the two side sides are relatively parallel; the limit grooves 2.2 are symmetrically arranged on the two longitudinal sides of the adjustment mechanism mounting seat 2, and the positioning grooves 2.1 on the two side sides are located on the same height horizontal line, wherein the positioning grooves 2.1 are staggered on the two longitudinal side surfaces to arrange a larger number of adjustment motors 4, thereby doubling the number of flow adjustment blocks 6, thereby reducing the lateral width of the adjustment block and achieving fine adjustment of the coating surface density.

[0037] Preferably, Figure 5 The side of the adjusting motor 4 is provided with a motor fixing assembly; the power output end of the adjusting motor 4 is provided with a telescopic shaft 4.3, and the power of the adjusting motor 4 drives the telescopic shaft 4.3 to move up and down reciprocatingly.

[0038] Furthermore, the motor fixing assembly includes: a limit protrusion 4.2 and a positioning key 4.1; the limit protrusion 4.2 is fixedly connected to the side of the adjusting motor 4, and one end of the limit protrusion 4.2 is clamped with the limit groove 2.2, and the other end is abutted with the pressure cover 3, the positioning key 4.1 is fixedly connected to the limit protrusion 4.2, and the positioning key 4.1 is clamped with the positioning groove 2.1, thereby realizing the fixed connection between the adjusting motor 4, the pressure cover 3 and the mounting seat through the motor fixing assembly.

[0039] Preferably, Figure 6 The coupling 5 shown is an integrated special-shaped structure, and the coupling 5 comprises: a first end, a second end, and a wedge-shaped connecting member;

[0040] The first end is close to one side of the adjustment motor 4, the wedge-shaped connecting piece is fixedly connected to the bottom of the first end, and the second end is fixedly connected to the bottom of the wedge-shaped connecting piece;

[0041] A vertical mounting hole 5.1 for plugging with the telescopic shaft 4.3 is provided on the first end; a connecting hole 5.4 for connecting with the flow regulating block 6 is provided on the second end. The special-shaped design of the coupling 5 combines the advantages of multiple shapes to achieve connection between the telescopic shaft 4.3 and the connecting rod 6.2 of different diameters or shapes, and make the stress distribution at each connection uniform, thereby improving the connection strength.

[0042] Furthermore, the vertical mounting hole 5.1 is clearance-matched with the telescopic shaft 4.3, and a gap 5.2 and a locking hole 5.3 penetrating the gap 5.2 are provided on one side of the vertical mounting hole 5.1. The size of the gap 5.2 is adjusted by the locking screw, thereby adjusting the aperture of the vertical mounting hole 5.1 so that the vertical mounting hole 5.1 can tightly embrace the telescopic shaft 4.3, which is used for fixed connection between the coupling 5 and the adjusting motor 4, thereby realizing connection with telescopic shafts 4.3 of different diameters or shapes, and facilitating disassembly and replacement.

[0043] Preferably, Figure 7 The flow regulating block 6 shown is an integrated special-shaped structure, and the flow regulating block 6 comprises: a connecting rod 6.2 and a regulating head 6.1; wherein the regulating head 6.1 is fixed to one end of the connecting rod 6.2, and the end of the connecting rod 6.2 away from the regulating head 6.1 is used to connect with the second end;

[0044] The regulating head 6.1 is accommodated in the die body 1 and is used to control the flow cross section of the die coating fluid.

[0045] Furthermore, a fitting surface 6.21 and a second threaded hole 6.22 are provided on the end of the connecting rod 6.2; wherein, the fitting surface 6.21 is adapted to the second end, and in this embodiment, the fitting surface 6.21 is L-shaped, and a second threaded hole 6.22 is provided on the vertical side surface, and the second threaded hole 6.22 corresponds to the connecting hole 5.4 of the second end, and is screwed and fixed to the second threaded hole 6.22 by passing a screw through the connecting hole 5.4, thereby realizing a fixed connection between the flow regulating block 6 and the coupling 5; the horizontal plane abuts against the second end after the flow regulating block 6 and the coupling 5 are fixedly connected, thereby avoiding axial shaking after the screw is loosened, which affects the adjustment accuracy.

[0046] Preferably, the regulating head 6.1 in this embodiment is a rectangular head, but the protection scope of the present invention is not limited to rectangular, conical, cylindrical, etc., and the applicability is improved according to the internal structure of the die body 1.

[0047] Working principle:

[0048] The die body 1 and the density adjustment device are assembled, specifically: the adjustment mechanism mounting seat 2 is fixedly mounted on the die body 1 and arranged parallel to the longitudinal direction of the die body 1, the adjustment motor 4 is fixedly connected to the adjustment mechanism mounting seat 2 by the positioning key 4.1 and the positioning groove 2.1, and the limiting protrusion 4.2 and the limiting groove 2.2, the pressure cover 3 is installed on the top of the adjustment mechanism mounting seat 2 to limit the adjustment motor 4, the coupling 5 is fixedly connected to the telescopic shaft 4.3 of the power output end of the adjustment motor 4, the flow adjustment block 6 is fixedly connected to the coupling 5, and is connected to the adjustment motor 4 through the coupling 5, and the adjustment head 6.1 of the flow adjustment block 6 is movably installed inside the die body 1;

[0049] After all parts are assembled, the regulating motor 4 is driven, and the power output by the regulating motor 4 drives the flow regulating block 6 to move up and down inside the die body 1, so as to control the flow cross section of the coating fluid inside the die body 1, and finally realize the coating density adjustment of the coating machine die on the coating surface.

[0050] The utility model drives the flow regulating block 6 to move up and down in the die body 1 by adjusting the power of the motor 4, so as to realize automatic, flexible and precise control of the coating flow cross section inside the die body 1, thereby adjusting the coating surface density of the die of the coating machine.

[0051] In the limited lateral space in the die body 1, the regulating motors 4 are arranged alternately on both sides of the longitudinal space to increase the number of flow regulating blocks 6, thereby reducing the lateral range of the flow regulating blocks 6 and improving the coating surface density.

[0052] The special-shaped design of the coupling 5 combines the advantages of multiple shapes to achieve the connection between the telescopic shaft 4.3 and the connecting rod 6.2 of different diameters or shapes, and makes the stress distribution at each connection uniform, thereby improving the connection strength.

[0053] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0054] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. An automatically adjustable coating die head, characterized in that: include: A die body, and a density adjustment device mounted on the die body; The density adjustment device comprises: an adjustment mechanism mounting seat fixedly mounted on the die body, an adjustment motor arranged on the adjustment mechanism mounting seat, a coupling mounted on the power output end of the adjustment motor, and a flow adjustment block which is transmission-connected to the adjustment motor through the coupling and movably mounted inside the die body; The power output by the regulating motor drives the flow regulating block to move up and down inside the die body, so as to control the flow cross section of the coating fluid inside the die body, so as to adjust the coating surface density of the coater die.

2. The automatically adjustable coating die according to claim 1, characterized in that: The density adjustment device also includes: a pressure cover installed on the adjustment mechanism mounting seat and limiting the adjustment motor.

3. The automatically adjustable coating die according to claim 1, characterized in that: The extension direction of the adjustment mechanism mounting seat is consistent with the extension direction of the die body. The adjustment mechanism mounting seat is respectively provided with a positioning groove and a limit groove adapted to the adjustment motor, a first limit hole adapted to the pressure cover, a receiving space for accommodating the coupling, and a connecting through hole adapted to the die body.

4. The automatically adjustable coating die head according to claim 3, characterized in that: The positioning grooves are staggeredly arranged on both side surfaces of the adjustment mechanism mounting seat, and the positioning grooves on the two side surfaces are relatively parallel; the limiting grooves are symmetrically arranged on both side surfaces of the adjustment mechanism mounting seat, and the positioning grooves on the two side surfaces are at the same height.

5. The automatically adjustable coating machine die according to claim 1, characterized in that: A motor fixing assembly is arranged on the side of the adjusting motor; a telescopic shaft is arranged at the power output end of the adjusting motor, and the telescopic shaft is driven to move back and forth by the power of the adjusting motor.

6. The automatically adjustable coating die of claim 5, characterized in that: The motor fixing assembly comprises: a limiting protrusion fixedly connected to the side of the adjusting motor and having one end engaged with the limiting groove and the other end abutting against the pressure cover, and a positioning key fixedly connected to the limiting protrusion and engaged with the positioning groove.

7. The automatically adjustable coating die of claim 5, wherein: The coupling is an integrated special-shaped structure, and comprises: a first end portion close to one side of the regulating motor, a wedge-shaped connecting piece fixedly connected to the bottom of the first end portion, and a second end portion fixedly connected to the bottom of the wedge-shaped connecting piece; The first end portion is provided with a mounting hole for plugging with the telescopic shaft; the second end portion is provided with a connecting hole for connecting with the flow regulating block.

8. The automatically adjustable coating machine die according to claim 7, characterized in that: The mounting hole is matched with the telescopic shaft clearance, and a gap and a locking hole passing through the gap are opened on one side of the mounting hole. The size of the gap is adjusted by the locking piece, thereby adjusting the aperture of the mounting hole so that the mounting hole hugs the telescopic shaft, which is used for the fixed connection between the coupling and the adjusting motor.

9. The automatically adjustable coating die of claim 8, wherein: The flow regulating block is an integrated special-shaped structure, and the flow regulating block comprises: a connecting rod, and a regulating head fixedly connected to one end of the connecting rod; Wherein, the end of the connecting rod away from the adjusting head is used to connect with the second end; The regulating head is accommodated in the die body and is used to control the flow cross section of the die coating fluid.

10. The automatically adjustable coating die of claim 9, wherein: The end of the connecting rod is provided with an engaging surface and a second limiting hole; The fitting surface is matched with the second end; the second limiting hole is arranged on the fitting surface and corresponds to the connecting hole of the second end, and is used for fixed connection between the flow regulating block and the coupling.

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