Coating die head capable of automatically exhausting without discharging

Abstract

The utility model provides a coating die head capable of automatically exhausting without discharging, which comprises a die head body, a material cavity and an exhaust passage are arranged in the die head body, the exhaust passage is positioned at the upper part of the material cavity and is communicated with the material cavity, an exhaust pipe is arranged at the top of one side outside the die head body, the exhaust pipe is connected with the exhaust passage, and the exhaust passage is communicated with the material cavity. And a pressure release valve is arranged on the exhaust pipe. According to the utility model, redundant gas in the die head can be automatically exhausted through the pressure release valve, so that the stability in the coating process is improved, the problems of non-uniform coating, material waste and the like caused by the existence of the gas are avoided, the production efficiency is greatly improved, and the production cost is reduced; the material cavity, the exhaust channel, the exhaust pipe and the pressure release valve are arranged from bottom to top, the free trend of gas is met, and materials cannot be exhausted through the exhaust channel during exhaust; in addition, the die head is simple in structure, convenient to operate and high in practicability, and has a good market prospect.

Description

Technical Field

[0001] The utility model relates to the technical field of coating, in particular to a coating die head capable of automatically exhausting air without discharging materials. Background Art

[0002] In the field of coating, the die is a key component, and its function is to evenly coat the slurry on the substrate. However, the traditional coating die will produce gas during the coating process, which will affect the uniformity of the coating and thus reduce the quality of the product. At the same time, the presence of these gases will also cause the material to accumulate on the die, affecting the continuity and stability of the coating. Therefore, it is an urgent need in this field to develop a coating die that can automatically exhaust and discharge materials to improve the efficiency of coating and product quality. Utility Model Content

[0003] In order to solve the above-mentioned problems, the utility model aims to propose a coating die head which can automatically exhaust and not discharge materials, by arranging an exhaust channel connected with the upper part of the material cavity in the die head body, an exhaust pipe is arranged on the top of the outer side of the die head body, the exhaust pipe is connected to the exhaust channel, and a pressure relief valve is arranged on the exhaust pipe; the excess gas in the die head can be automatically discharged through the pressure relief valve, which increases the stability of the coating process, avoids the problems of uneven coating and material waste caused by the presence of gas, and also greatly improves the production efficiency and reduces the production cost; the material cavity, the exhaust channel, the exhaust pipe and the pressure relief valve are arranged from bottom to top, which conforms to the free flow of gas, and the material will not be discharged through the exhaust channel during exhaust.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A coating die head capable of automatic exhaust without material discharge comprises a die head body, wherein a material cavity and an exhaust channel are arranged in the die head body, wherein the exhaust channel is located at the upper part of the material cavity and is connected with the material cavity, an exhaust pipe is arranged at the top of the outer side of the die head body, the exhaust pipe is connected to the exhaust channel, and a pressure relief valve is arranged on the exhaust pipe.

[0006] Furthermore, the diameter of the exhaust passage gradually decreases from bottom to top.

[0007] Furthermore, a sensor is provided on the exhaust pipe, and the sensor is linked to the pressure relief valve.

[0008] Furthermore, the die body includes an upper die and a lower die, the upper die is hinged to the lower die, and a pry bar is provided between the upper die and the lower die.

[0009] Furthermore, the pry bar is provided with an avoidance groove, and the avoidance groove corresponds to the exhaust pipe.

[0010] Furthermore, a material delivery pipe is connected to the lower portion of the material chamber.

[0011] Beneficial effects: The utility model sets an exhaust channel connected with the upper part of the material cavity in the die body, sets an exhaust pipe on the top of the outer side of the die body, the exhaust pipe is connected to the exhaust channel, and a pressure relief valve is set on the exhaust pipe; the excess gas in the die can be automatically discharged through the pressure relief valve, which increases the stability of the coating process, avoids problems such as uneven coating and material waste due to the presence of gas, and also greatly improves the production efficiency and reduces the production cost; the material cavity, the exhaust channel, the exhaust pipe and the pressure relief valve are arranged from bottom to top, which conforms to the free flow of gas, and the material will not be discharged through the exhaust channel during exhaust; in addition, the die has a simple structure, is easy to operate, has strong practicality, and has a good market prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic structural diagram of a coating die head capable of automatic exhaust without material discharge according to an embodiment of the utility model;

[0014] Figure 2 It is a cross-sectional view of a coating die head capable of automatic exhaust without material discharge as described in an embodiment of the utility model. DETAILED DESCRIPTION

[0015] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0016] Example 1

[0017] See also Figure 1-2 : A coating die that can automatically exhaust without discharging material, including a die body 1, wherein a material cavity 101 and an exhaust channel 102 are arranged in the die body 1, wherein the exhaust channel 102 is located at the upper part of the material cavity 101 and is connected to the material cavity 101, an exhaust pipe 103 is arranged on the top of one side outside the die body 1, the exhaust pipe 103 is connected to the exhaust channel 102, and a pressure relief valve 104 is arranged on the exhaust pipe 103.

[0018] In this embodiment, the excess gas in the die head can be automatically discharged through the pressure relief valve, which increases the stability during the coating process, avoids problems such as uneven coating and material waste caused by the presence of gas, and also greatly improves production efficiency and reduces production costs; the material chamber, exhaust channel, exhaust pipe and pressure relief valve of this embodiment are arranged from bottom to top, which conforms to the free flow of gas. When exhausting, the material will not be discharged through the exhaust channel; in addition, the die head has a simple structure, is easy to operate, has strong practicality, and has a good market prospect.

[0019] In a specific example, the diameter of the exhaust channel 102 gradually decreases from bottom to top.

[0020] The diameter of the exhaust channel of this embodiment gradually decreases from one end of the material chamber to one end of the exhaust pipe, which can prevent the material from blocking the exhaust channel and also prevent the material from entering the exhaust pipe.

[0021] In a specific example, a sensor 105 is further provided on the exhaust pipe 103 , and the sensor 105 is linked to the pressure relief valve 104 .

[0022] When the material enters the material chamber and the sensor detects that the pressure has reached the preset value, the sensor and the pressure relief valve are linked to drive the pressure relief valve to open through the actuator to complete the pressure relief.

[0023] In a specific example, the die body 1 includes an upper die 10 and a lower die 11 . The upper die 10 and the lower die 11 are hinged, and a pry bar 12 is provided between the upper die 10 and the lower die 11 .

[0024] In this embodiment, the upper die head and the lower die head can be separated or closed by rotating the pry bar.

[0025] In a specific example, the pry bar 12 is provided with an escape groove 1201 , and the escape groove 1201 corresponds to and cooperates with the exhaust pipe 103 .

[0026] The pry bar of this embodiment is provided with an avoidance groove, which cooperates with the air outlet pipe to reduce the occupied space of the device.

[0027] In a specific example, a material delivery pipe 106 is connected to the lower portion of the material chamber 101 .

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coating die head capable of automatically exhausting but not discharging material, characterized in that: The die body (1) comprises a die body, wherein a material cavity (101) and an exhaust channel (102) are arranged inside the die body (1), wherein the exhaust channel (102) is located at the upper part of the material cavity (101) and is connected to the material cavity (101), and an exhaust pipe (103) is arranged at the top of one side outside the die body (1), wherein the exhaust pipe (103) is connected to the exhaust channel (102), and a pressure relief valve (104) is arranged on the exhaust pipe (103).

2. The coating die head capable of automatic exhaust and non-discharge according to claim 1, characterized in that: The exhaust channel (102) has a diameter that gradually decreases from bottom to top.

3. The coating die head capable of automatic exhaust and non-discharge according to claim 1, characterized in that: The exhaust pipe (103) is also provided with a sensor (105), and the sensor (105) is linked to the pressure relief valve (104).

4. The coating die head capable of automatic exhaust and non-discharge according to claim 1, characterized in that: The die body (1) comprises an upper die (10) and a lower die (11); the upper die (10) and the lower die (11) are hingedly connected, and a pry bar (12) is provided between the upper die (10) and the lower die (11).

5. The coating die head capable of automatic exhaust and non-discharge according to claim 4, characterized in that: The pry bar (12) is provided with an avoidance groove (1201), and the avoidance groove (1201) corresponds to and cooperates with the exhaust pipe (103).

6. The coating die head capable of automatic exhaust without material discharge according to claim 1, characterized in that: The lower part of the material chamber (101) is connected to a material delivery pipe (106).

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