KR20240070306A - A system for diagnosing pressure in a pouch manufacutring apparatus - Google Patents

Abstract

A pressure diagnosis system for a pouch manufacturing device according to an embodiment of the present invention processes a pouch sheet into a pouch case to have a receiving groove in which an electrode assembly is placed, a lower mold having a mold groove for forming the receiving groove, and a mold. A case processing portion including an upper mold inserted into the groove; A plurality of cylinder driving units installed in the case processing unit and including a pressing block for pressing an edge area of the pouch sheet that does not cover the mold groove when the pouch sheet is disposed in the lower mold so as to cover the mold groove; In order to measure the operating pressure of each cylinder drive unit, a measuring unit is built into each cylinder drive unit and includes a plurality of pressure sensors for measuring the operating pressure applied to the pressurizing block; and a diagnosis unit that diagnoses the operating state of each cylinder drive unit based on the pressure information of the measurement unit.

Description

Pressure diagnostic system for pouch manufacturing apparatus {A system for diagnosing pressure in a pouch manufacutring apparatus}

The present invention relates to a pressure diagnosis system for a pouch manufacturing device, and more specifically, in the process of processing a pouch sheet into a pouch case, by measuring the operating pressure of a plurality of cylinder drivers that pressurize the pouch sheet, and to determine the operation of each cylinder driver. This relates to a pressure diagnosis system for a pouch manufacturing device that individually diagnoses the condition in real time.

Secondary batteries refer to batteries that can be reused repeatedly through charging and discharging. Recently, secondary batteries have been widely used in advanced electronic devices such as smartphones, laptop computers, and electric vehicles.

In particular, lithium secondary batteries have a high energy density per unit weight and can be charged quickly compared to other secondary batteries such as existing lead acid batteries, nickel-cadmium batteries, nickel-hydrogen batteries, and nickel-zinc batteries, so they have recently been used in a variety of ways. It is being actively used in the field.

Figure 1 schematically shows the configuration of a pouch-type battery cell. Figure 2 schematically shows a perspective view of the pouch case.

As shown in FIG. 1, the general configuration of the pouch-type battery cell 1 among these secondary batteries includes an electrode assembly 2 including a positive electrode plate, a negative electrode plate, and a separator, a pouch case 10, a positive electrode tab, and a negative electrode tab. do.

For the pouch-type battery cell (1), the electrode assembly (2) is built into the pouch case (10), and then the edge areas (15, 17) of the pouch case (10) are sealed using a heat fusion method. The electrode assembly 2 is stored in the pouch case 10, and the positive electrode tab and the negative electrode tab are connected to the electrode assembly 2 and are provided to protrude outside the pouch case 10.

As shown in FIG. 2, the pouch case 10 has a receiving groove 13 in which the electrode assembly 2 is seated. The receiving groove 13 is provided in the central part of the pouch case 10.

In the pouch-type battery cell (1), after the electrode assembly (2) is placed in the receiving groove (13) of one pouch case (10), the other pouch case (10) covers the electrode assembly (2). It is stacked in one pouch case. Thereafter, the pair of pouch cases 10 are sealed with the edge areas 15 and 17 in contact with each other.

The pouch case 10 is manufactured using a pouch case molding device (not shown). The pouch case molding device (not shown) includes a mold groove (not shown) having a shape corresponding to the receiving groove 13, and a mold block (not shown) inserted into the mold groove.

The pouch case molding device (not shown) places a plate-shaped pouch sheet (not shown) in a mold groove (not shown) and punches the pouch sheet (not shown) into a mold block (not shown) to form a receiving groove (13). ) Produce a pouch case (10) with. In order to increase the formability of the pouch case 10, punching of the pouch sheet must be performed while the edge areas 15 and 17 on both sides of the pouch sheet are fixed with uniform pressure.

Korean Patent No. 10-1453559

The present invention is a pressure diagnosis system for a pouch manufacturing device that measures the operating pressure of a plurality of cylinder drives that pressurize the pouch sheet during the process of processing the pouch sheet into a pouch case, and individually diagnoses the operating status of each cylinder drive part in real time. The purpose is to provide.

A pressure diagnosis system for a pouch manufacturing device according to an embodiment of the present invention processes a pouch sheet into a pouch case to have a receiving groove in which an electrode assembly is placed, a lower mold having a mold groove for forming the receiving groove, and a mold. A case processing portion including an upper mold inserted into the groove; A plurality of cylinder driving units installed in the case processing unit and including a pressing block for pressing an edge area of the pouch sheet that does not cover the mold groove when the pouch sheet is disposed in the lower mold so as to cover the mold groove; In order to measure the operating pressure of each cylinder drive unit, a measuring unit is built into each cylinder drive unit and includes a plurality of pressure sensors for measuring the operating pressure applied to the pressurizing block; and a diagnosis unit that diagnoses the operating state of each cylinder drive unit based on the pressure information of the measurement unit.

The present invention measures the operating pressure of a plurality of cylinder drives that pressurize the pouch sheet individually in the process of processing the pouch sheet, diagnoses the operating status of each cylinder drive part, and prevents equipment failure due to pneumatic leakage. .

Figure 1 schematically shows the configuration of a pouch-type battery cell.
Figure 2 schematically shows a perspective view of a pouch sheet having a receiving groove.
Figure 3 is a configuration diagram of a pressure diagnosis system for a pouch manufacturing device according to an embodiment of the present invention.
Figure 4 is a configuration diagram of a case processing unit according to an embodiment of the present invention.
Figure 5 is a schematic configuration diagram of a first cylinder driving unit according to an embodiment of the present invention.
Figures 6 to 9 are diagrams for explaining the process of manufacturing a pouch sheet into a pouch case when the case processing unit operates according to an embodiment of the present invention.

Since the present invention can be subject to various changes and can have various embodiments, specific embodiments will be illustrated and described in the drawings.

However, this is not intended to limit the present application to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present application. In describing the present application, if it is determined that a detailed description of related known technology may obscure the gist of the present application, the detailed description will be omitted.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the application. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Therefore, the configuration shown in the embodiments described in this specification is only one of the most preferred embodiments of the present application and does not represent the entire technical idea of the present application, so various equivalents may be substituted for them at the time of filing the present application. There may be variations. In addition, the drawings attached to this application should be understood as being enlarged or reduced for convenience of explanation.

Hereinafter, with reference to the accompanying drawings, a pressure diagnosis system for a pouch manufacturing device according to a preferred embodiment of the present invention will be described.

FIG. 3 is a configuration diagram of a pressure diagnosis system for a pouch manufacturing device according to an embodiment of the present invention, FIG. 4 is a configuration diagram of a case processing unit, and FIG. 5 is a schematic configuration diagram of a first cylinder driving unit.

As shown in FIG. 3, the pressure diagnosis system 100 for a pouch manufacturing device according to an embodiment of the present invention includes a case processing unit 110, a plurality of cylinder driving units 160a and 160b, and a measuring unit 170. , includes a diagnosis unit 180 and a monitoring unit 190.

As shown in FIGS. 3 and 4, the case processing unit 110 includes a lower mold 140 with a mold groove 143 and an upper mold 130 inserted into the mold groove 143, forming a pouch. The sheet 11 is processed into a pouch case 10.

The case processing unit 110 includes a main body 120, an upper mold 130, a lower mold 140, and a mold operating unit 150. The detailed configuration of the case processing unit 110 will be described later.

In the process of processing the pouch sheet 11 into the pouch case 10, the plurality of cylinder driving units 160a and 160b operate on the edge areas 15 and 17 of the pouch sheet 11 corresponding to the sealing portion of the pouch case 10. ) to the lower mold 140 of the case processing part 110.

A plurality of cylinder driving units 160a and 160b are installed on the upper part of the main body 120, facing the seating surface 141 of the lower mold 140. The plurality of cylinder driving units 160a and 160b move the pouch sheet 11 in a second direction F2 opposite to the first direction F1 when the mold operating unit 150 moves up and down in the first direction F1. is pressed to secure the pouch sheet 11 to the seating surface 141.

The measuring unit 170 includes a plurality of pressure sensors 171 and 172. Each pressure sensor is built into each cylinder drive unit (160a, 160b) and measures the operating pressure of each cylinder drive unit (160a, 160b). Pressure sensors 171 and 172 are load cells.

In this embodiment, for convenience of explanation, the plurality of cylinder drivers 160a and 160b are referred to separately as a first cylinder driver 160a and a second cylinder driver 160b. In this embodiment, for convenience of explanation, the plurality of pressure sensors 171 and 172 are referred to separately as a first pressure sensor 171 and a second pressure sensor 172.

As shown in FIG. 4, the first pressure sensor 171 is built into the first operating rod 163a of the first cylinder drive unit 160a. Referring to FIG. 5, the first operating rod 163a is composed of a first member 164a and a second member 165a.

The first pressure sensor 171 is installed at a connection portion between the first member 164a and the second member 165a. The first pressure sensor 171 measures the operating pressure applied to the first operating rod 163a when the first cylinder driving unit 160a operates.

The second pressure sensor 172 is built into the second operating rod 163b of the second cylinder drive unit 160b. The installation position of the second pressure sensor 172 is the same as the position where the first pressure sensor 171 is installed on the first operating rod 163a. The second pressure sensor 172 measures the pressure applied to the second operating rod 163b when the second cylinder driving unit 160b operates.

The diagnosis unit 180 diagnoses the operating state of each cylinder drive unit 160a and 160b based on the pressure information of the measurement unit 170.

Based on the pressure information of the measuring unit 170, the diagnostic unit 180 calculates the difference between the measured pressure values of each cylinder drive unit 160a and 160b with respect to the preset set pressure value as a pressure deviation value, and calculates the pressure deviation value. Based on the values, the operating states of the plurality of cylinder drivers 160a and 160b are individually diagnosed. For example, the allowable pressure range is 0 kPa to 10 kPa, but this can be adjusted according to the set pressure value according to the specifications of the pouch case 10.

Specifically, based on the first measured pressure value of the first pressure sensor 171, the diagnosis unit 180 calculates the difference between the first measured pressure value and the preset set pressure value as a first pressure deviation value.

The diagnosis unit 180 diagnoses the operating state of the first cylinder drive unit 160a as “normal” if the first pressure deviation value is within the preset pressure tolerance range. On the other hand, the diagnosis unit 180 diagnoses the operating state of the first cylinder drive unit 160a as “pneumatic leakage” when the first pressure deviation value exceeds the allowable pressure range.

In addition, based on the second measured pressure value of the second pressure sensor 172, the diagnostic unit 180 calculates the difference between the second measured pressure value and the preset set pressure value as a second pressure deviation value.

The diagnosis unit 180 diagnoses the operating state of the second cylinder drive unit 160b as “normal” if the second pressure deviation value is within the preset pressure tolerance range. On the other hand, the diagnosis unit 180 diagnoses the operating state of the second cylinder drive unit 160b as “pneumatic leakage” when the second pressure deviation value exceeds the allowable pressure range.

The monitoring unit 190 outputs the diagnosis result of the diagnosis unit 180 as an image, and provides an alarm warning if the diagnosis result is “pneumatic leakage.”

Hereinafter, the structure and operation method of the case processing unit 110, the first cylinder drive unit 160a, and the second cylinder drive unit 160b will be described.

Figure 4 is a schematic diagram of the case processing part, and Figure 5 is a schematic diagram of the first cylinder driving part. Figures 6 to 9 are diagrams for explaining the process of manufacturing a pouch sheet into a pouch case when the case processing unit operates.

As shown in FIG. 4, the case processing unit 110 includes a main body unit 120, an upper mold 130, a lower mold 140, and a mold operating unit 150.

The main body 120 includes an upper frame 121, a lower frame 122, and a frame support portion 123. An upper mold 130, a first cylinder driver 160a, and a second cylinder driver 160b are installed in the upper frame 121. A mold operating unit 150 is installed in the lower frame 122. The upper frame 121 and the lower frame 122 are connected by a frame support portion 123.

The lower mold 140 is disposed to face the upper mold 130. The lower mold 140 has a seating surface 141 on which the pouch sheet 11 is seated, and a mold groove 143 that is stepped with respect to the seating surface 141. The mold groove 143 has a size into which the upper mold 130 can be inserted.

The lower mold 140 has a mold groove 143 according to the product standard of the pouch case 10. The mold groove 143 preferably has a size corresponding to the receiving groove of the pouch case 10.

The mold operation unit 150 includes a mold support unit 153, a lifting/lowering driving unit 151, and an elastic support unit 155.

The mold operating unit 150 is disposed at the lower part of the upper mold 130. A lower mold 140 is installed on the mold support 153. The lower mold 140 is detachably coupled to the mold support 153. The lower mold 140 can be replaced according to the product specifications of the pouch case 10.

The lifting drive unit 151 is coupled to the mold support unit 153 and raises or lowers the mold support unit 153. As shown in FIG. 7 , the lifting driving unit 151 operates to lift and lower the lower mold 140 in the first direction F1 where the lower mold 140 is coupled to the upper mold 130 during processing of the pouch case 10.

As shown in FIG. 9 , the lifting drive unit 151 moves downward in the second direction F2 in which the lower mold 140 is separated from the upper mold 130 after the processing of the pouch case 10 is completed.

The elastic support portion 155 is spaced apart on both sides of the lower mold 140 and connects the mold support portion 153 and the upper part of the main body portion 120. When the lifting drive unit 151 is operated to lift in the first direction F1, the elastic support unit 155 elastically contracts and elastically supports the mold support unit 153. When the lifting drive unit 151 is lowered in the second direction F2, the elastic support unit 155 is restored to its original shape and elastically supports the mold support unit 153.

The first cylinder driving unit 160a is spaced apart from one side of the upper mold 130 and is coupled to the upper part of the main body 120. When the lifting driver 151 is operated to lift in the first direction F1, the first cylinder driver 160a presses one edge area 15 of the pouch sheet 11 in the second direction F2.

As shown in FIG. 5, the first cylinder driving unit 160a includes a first cylinder body 161a, a first operating rod 163a, and a first pressing block 167a.

The first cylinder body 161a is coupled to the upper frame 121 of the main body 120. A first operating rod 163a is installed in the first cylinder body 161a to be reciprocatable. The first operating rod (163a) is moved forward in the second direction (F2) by the pushing force of the pneumatic pressure applied to the first cylinder body (161a).

The first pressure block (167a) is coupled to the first operating rod (163a). The first pressure block 167a is spaced apart from one side of the upper mold 130.

When pneumatic pressure is applied to the first cylinder body 161a, the first pressure block 167a is moved in the second direction F2 by the first operating rod 163a, and the pouch sheet 11 placed on the seating surface 141 ) and pressurizes the lower mold 140. The pouch sheet 11 is fixed to the seating surface 141 of the lower mold 140 by the pressing force of the first pressing block 167a.

The second cylinder driving unit 160b is spaced apart from the other side of the upper mold 130 and is coupled to the upper frame 121 of the main body 120. When the lifting drive unit 151 is operated to lift in the first direction F1, the second cylinder drive unit 160b presses the other edge area 17 of the pouch sheet 11 in the second direction F2.

The second cylinder driving unit 160b includes a second cylinder body 161b, a second operating rod 163b, and a second pressing block 167b.

The second cylinder body 161b is coupled to the upper frame 121 of the main body 120. A second operating rod 163b is installed in the second cylinder body 161b to be reciprocatable. The second operating rod (163b) is moved forward in the second direction (F2) by the pushing force of the pneumatic pressure applied to the second cylinder body (161b). The second operating rod (163b) has the same structure as the first operating rod (163a).

The second pressing block (167b) is coupled to the second operating rod (163b). The second pressure block 167b is arranged to be spaced apart from the other side of the upper mold 130.

When pneumatic pressure is applied to the second cylinder body 161b, the second pressure block 167b is moved in the second direction F2 by the second operating rod 163b, and the pouch sheet 11 placed on the seating surface 141 ) and pressurizes the lower mold 140. The pouch sheet 11 is fixed to the seating surface 141 of the lower mold 140 by the pressing force of the second pressing block 167b.

Hereinafter, the process of processing the pouch sheet 11 into the pouch case 10 will be described with reference to FIGS. 6 to 9. Figures 6 to 9 are diagrams for explaining the process of manufacturing a pouch sheet into a pouch case when the case processing unit operates.

As shown in FIG. 6, the pouch sheet 11 is placed on the seating surface 141 of the lower mold 140. At this time, the pouch sheet 11 is placed on the seating surface 141 of the lower mold 140 so as to cover the mold groove 143 of the lower mold 140.

As shown in FIG. 7 , when the lifting drive unit 151 moves up and down, the mold support unit 153 moves in the first direction F1. The lower mold 140 enters the upper mold 130 by the mold support 153. Also, during the lifting operation of the lifting drive unit 151, the elastic support unit 155 elastically contracts by the force pushing up the mold support unit 153 and elastically supports the mold support unit 153.

As shown in FIG. 8, when the lifting driver 151 operates, the first cylinder driver 160a and the second cylinder driver 160b are pressed and operated in the second direction F2.

Specifically, when pneumatic pressure is applied to the first cylinder body 161a, the first operating rod 163a pushes the first pressure block 167a in the second direction F2. The first pressing block 167a is moved in the second direction F2 by the first operating rod 163a, and comes into contact with the pouch sheet 11 placed on the seating surface 141 to press the seating surface of the lower mold 140. By pressing (141), the pouch sheet (11) is fixed to the seating surface (141) of the lower mold (140).

The second cylinder driver 160b operates in the same manner as the first cylinder driver 160a. When pneumatic pressure is applied to the second cylinder body (161b), the second operating rod (163b) pushes the second pressing block (167b) in the second direction (F2).

The second pressing block 167b is moved in the second direction F2 by the second operating rod 163b, and comes into contact with the pouch sheet 11 placed on the seating surface 141 to press the seating surface of the lower mold 140. By pressing (141), the pouch sheet (11) is fixed to the seating surface (141) of the lower mold (140).

The pouch sheet 11 is placed in the lower mold 140 by the mold support part 153, and the upper surface of the pouch sheet 11 is connected to the first pressure block 167a, the upper mold 130, and the second pressure block. It touches (167b).

As shown in FIG. 8, the lower mold 140 is moved in the first direction F1 by the force of the lifting drive unit 151 to continuously push the mold support unit 153 in the first direction F1. It is unevenly coupled to the upper mold 130.

As the upper mold 130 is inserted into the mold groove 143 of the lower mold 140, the pouch sheet 11 is processed into a pouch case 10 with a receiving groove by the force pressing the pouch sheet 11. do.

As shown in FIG. 9, after processing of the pouch case 10 is completed, the lifting drive unit 151 is operated to lower in the second direction F2. And, the first operating rod 163a of the first cylinder driving unit 160a and the second operating rod 163b of the second cylinder driving unit 160b are moved backward in the first direction F1, and the first pressing block ( 167a) and the second pressure block 167b are operated to separate from the seating surface 141 of the lower mold 140.

In the present invention, in the process of processing the pouch sheet 11 into the pouch case 10, when the first cylinder drive unit 160a and the second cylinder drive unit 160b are operated, the first operating rod 163a and the second operating rod The operating pressure applied to 163b can be measured in real time, and the operating states of the first cylinder driver 160a and the second cylinder driver 160b can be diagnosed in real time based on the measured pressure value.

Accordingly, the present invention aims to improve the quality of the pouch case 10 by stably fixing the pouch sheet 11 to the lower mold 140 in the process of processing the pouch sheet 11 into the pouch case 10. You can.

In addition, the present invention can diagnose in real time whether there is a leak of pneumatic pressure applied to the first cylinder drive unit 160a and/or the second cylinder drive unit 160b, and prevent production interruption due to equipment failure in advance.

The present invention will be described in detail below through examples. However, the scope of the present invention is not limited by the following examples. The preferred embodiments of the invention described above have been disclosed for purposes of illustration. A person skilled in the art with ordinary knowledge of the present invention will be able to make various modifications, changes, and additions within the spirit and scope of the present invention, and such modifications, changes, and additions should be regarded as falling within the scope of the patent claims below.

100: Pressure diagnostic system for pouch manufacturing equipment
110: case processing part 120: main body part
121: upper frame 122: lower frame
123: frame support 130: upper mold
140: lower mold 141: seating surface
143: Mold groove 150: Mold operating part
151: lifting driving part 153: mold support part
155: elastic support part 160a: first cylinder driving part
161a: first cylinder body 163a: first operating rod
164a: first member 165a: second member
167a: first pressurizing block 160b: second cylinder driving unit
161b: second cylinder body 163b: second operating rod
167b: second pressurizing block 170: measuring unit
171: first pressure sensor 172: second pressure sensor
180: Diagnosis unit 190: Monitoring unit
10: Pouch case 11: Pouch sheet
13: receiving groove 15, 17: edge area

Claims (18)

A case processing unit that processes a pouch sheet into a pouch case having a receiving groove in which an electrode assembly is disposed, and includes a lower mold having a mold groove for forming the receiving groove, and an upper mold inserted into the mold groove;
A plurality of pressurizing blocks installed in the case processing unit and configured to press an edge area of the pouch sheet that does not cover the mold groove while the pouch sheet is disposed in the lower mold so as to cover the mold groove. Cylinder driving unit;
To measure the operating pressure of each cylinder drive unit, a measuring unit built into each cylinder drive unit and including a plurality of pressure sensors for measuring the operating pressure applied to the pressurizing block; and
A pressure diagnosis system for a pouch manufacturing device, including a diagnosis unit that diagnoses the operating state of each cylinder drive unit based on the pressure information of the measurement unit. The method of claim 1, wherein the diagnostic unit,
Based on the pressure information, the difference between the measured pressure value of each cylinder drive unit with respect to the preset set pressure value is calculated as a pressure deviation value,
A pressure diagnosis system for a pouch manufacturing device that individually diagnoses the operating status of the plurality of cylinder drives based on the pressure deviation value. According to claim 2,
A pressure tolerance range for the pressure deviation value is preset in the diagnostic unit,
A pressure diagnosis system for a pouch manufacturing device that diagnoses the operating state of the corresponding cylinder drive unit as “pneumatic leakage” when the pressure deviation value exceeds a preset pressure tolerance range. According to claim 3,
The pressure tolerance range is 0 kPa to 10 kPa, a pressure diagnosis system for a pouch manufacturing device. According to claim 3,
It further includes a monitoring unit that outputs the diagnosis results of the diagnostic unit as an image,
A pressure diagnosis system for a pouch manufacturing device, wherein the monitoring unit provides an alarm warning when the diagnosis result is “pneumatic leakage”. According to claim 2,
A pressure tolerance range for the pressure deviation value is preset in the diagnostic unit,
A pressure diagnosis system for a pouch manufacturing device that diagnoses the operating state of the corresponding cylinder drive unit as “normal” when the pressure deviation value falls within the pressure tolerance range. The method of claim 1, wherein each cylinder driving unit
A cylinder body coupled to the case processing part; and
It is reciprocally coupled to the cylinder body, has a built-in pressure sensor, and includes an operating rod to which the pressure block is coupled,
The pressure diagnosis system for a pouch manufacturing device, wherein the pressure block is moved toward the lower mold by the operating rod when pneumatic pressure is applied to the cylinder body, and presses the lower mold in contact with the pouch sheet. According to claim 7,
The operating rod includes a first member reciprocally coupled to the cylinder body and a second member connecting the first member and the pressure block. According to claim 8,
The pressure sensor is installed at a connection portion of the first member and the second member to measure the operating pressure applied to the operating rod when pneumatic pressure is applied to the cylinder body. According to claim 1,
A pressure diagnosis system for a pouch manufacturing device, wherein the pressure sensor is a load cell. The method of claim 1, wherein the case processing unit,
a main body in which the plurality of cylinder driving units and the upper mold are installed; and
A pressure diagnosis system for a pouch manufacturing device, comprising a mold operation unit disposed below the upper mold and moving the lower mold in a first direction toward the upper mold so that the upper mold is inserted into the mold groove. The method of claim 11, wherein the mold operating unit,
a mold support portion supporting the lower mold;
a lifting drive unit coupled to the mold support unit to raise or lower the mold support unit; and
Pressure diagnosis for a pouch manufacturing device, including an elastic support part spaced on both sides of the lower mold, connecting the mold support part and an upper part of the main body part, and elastically contracting and elastically supporting the mold support part during the lifting operation of the lifting drive unit. system. According to claim 11,
The plurality of cylinder driving units are installed on the upper part of the main body unit to face the lower mold, and when the mold operating unit moves up and down in the first direction, it moves the pouch sheet in a second direction opposite to the first direction. A pressure diagnosis system for a pouch manufacturing device that secures the pouch sheet to the lower mold by applying pressure. The method of claim 13, wherein the plurality of cylinder driving units,
It includes a first cylinder driving part spaced apart from one side of the upper mold and a second cylinder driving part from the other side of the upper mold,
During the lifting operation of the lifting driving unit, the first cylinder driving unit presses one edge area of the pouch sheet in the second direction, and the second cylinder driving unit presses the other edge area of the pouch sheet in the second direction. A pressure diagnosis system for a pouch manufacturing device that secures the pouch sheet to the lower mold by applying pressure. 15. The method of claim 14, wherein the first cylinder driving unit,
a first pressure block spaced apart from one side of the upper mold;
a first cylinder body coupled to the upper part of the main body; and
It connects the first cylinder body and the first pressure block and includes a first operating rod with a built-in first pressure sensor,
When pneumatic pressure is applied to the first cylinder body, the first pressure block is moved in the second direction by the first operating rod and operated to come into contact with the lower mold. According to claim 15,
The diagnostic unit is based on the first measured pressure value of the first pressure sensor,
Calculate the difference between the first measured pressure value and the preset set pressure value as a first pressure deviation value,
If the first pressure deviation value is within the preset pressure tolerance range, the operating state of the first cylinder driver is diagnosed as "normal", and if the first pressure deviation value exceeds the pressure tolerance range, the operating state of the first cylinder driver is diagnosed as "normal". Pressure diagnostic system for pouch manufacturing equipment that diagnoses the operating condition as “pneumatic leak”. 15. The method of claim 14, wherein the second cylinder driving unit,
a second pressure block spaced apart from the other side of the upper mold;
a second cylinder body coupled to the upper part of the main body; and
A second operating rod connects the second cylinder body and the second pressure block and includes a second pressure sensor,
When pneumatic pressure is applied to the second cylinder body, the second pressure block is moved in the second direction by the second operating rod and operated to come into contact with the lower mold. According to claim 17,
The diagnostic unit is based on the second measured pressure value of the second pressure sensor,
Calculate the difference between the second measured pressure value and the preset set pressure value as a second pressure deviation value,
If the second pressure deviation value is within the preset pressure tolerance range, the operating state of the second cylinder driver is diagnosed as “normal”, and if the second pressure deviation value exceeds the pressure tolerance range, the operating state of the second cylinder driver is diagnosed as “normal.” Pressure diagnostic system for pouch manufacturing equipment that diagnoses operating conditions as “pneumatic leaks”.

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