Heat sealing mechanism and heat sealing system

Abstract

The embodiment of the utility model provides a heat-sealing mechanism and a heat-sealing system, and relates to the technical field of battery processing, the heat-sealing mechanism comprises a first hot-pressing part, a second hot-pressing part and a lifting assembly, the heat-sealing end of the first hot-pressing part is provided with a containing part and a connecting part, and the connecting part is configured to be capable of lifting the second hot-pressing part when being subjected to externally applied extrusion force. When the extrusion force applied to the outside disappears, at least part of the extrusion force extends out of the containing part; a preheating part is arranged at the heat-sealing end of the second hot-pressing part, the preheating part and the connecting part are oppositely arranged, and when the first hot-pressing part and the second hot-pressing part are driven to get close to each other, the preheating part and the connecting part are used for making contact with the two opposite sides of the to-be-heat-sealed part correspondingly, so that the to-be-heat-sealed part is extruded through the connecting part, and the to-be-heat-sealed part is attached to the preheating part; the preheating part is configured to preheat the part to be subjected to heat sealing in contact with the preheating part so that glue on the part to be subjected to heat sealing can be melted, and therefore the glue can be fully melted during heat sealing, and the heat sealing effect is effectively improved.

Description

Technical Field

[0001] The present application relates to the field of battery processing technology, and in particular to a heat sealing mechanism and a heat sealing system. Background Art

[0002] Heat sealing of lithium battery connectors is a key step in the production process of lithium batteries. It mainly uses the heat sealing mechanism to melt the ear glue on the periphery of the connector during heat sealing, thereby hot pressing the aluminum-plastic film onto the connector to seal the two together, preventing electrolyte leakage and preventing external air, moisture and other substances from entering the battery.

[0003] During heat sealing, the aluminum-plastic film and the connecting piece are typically positioned correctly before being directly pressed together using the heat-sealing end of the heat-sealing mechanism. This method of heat sealing can prevent the tab glue from effectively melting, leading to poor heat sealing and a lower yield rate for finished lithium batteries. Utility Model Content

[0004] The embodiments of the present application provide a heat sealing mechanism and a heat sealing system to effectively melt the tab glue during heat sealing, thereby improving the heat sealing effect.

[0005] In a first aspect, an embodiment of the present application provides a heat sealing mechanism, comprising a first heat pressing component, a second heat pressing component, and a lifting assembly, wherein the first heat pressing component and the second heat pressing component are driven toward or away from each other by the lifting assembly, and a heat sealing end of the first heat pressing component is provided with a receiving portion and a connecting component, wherein the connecting component is configured to fully enter the receiving portion when subjected to an externally applied extrusion force, and to at least partially extend outside the receiving portion when the externally applied extrusion force disappears;

[0006] The heat-sealing end of the second hot-pressing component is provided with a preheating component, and the preheating component is arranged opposite to the connecting component. When the first hot-pressing component and the second hot-pressing component are driven close to each other, the preheating component and the connecting component are used to respectively contact the opposite sides of the part to be heat-sealed, so as to extrude the part to be heat-sealed through the connecting component so that the part to be heat-sealed and the preheating component are fitted together; the preheating component is configured to preheat the part to be heat-sealed in contact with the preheating component so as to melt the glue on the part to be heat-sealed.

[0007] In some possible designs, the connecting component includes a first heater, and the first heater is configured to preheat the part to be heat-sealed when the first heater comes into contact with the part to be heat-sealed.

[0008] In some possible designs, the connecting component also includes a first preheating block and an elastic member, the first heater is located inside the first preheating block, the first preheating block is located at the heat-sealing end of the first hot pressing component, and the first preheating block is at least partially located in the accommodating portion, the elastic member is located in the accommodating portion and contacts the first preheating block, and the elastic member is configured to drive the first preheating block to move when the externally applied extrusion force disappears, so that the first preheating block at least partially extends outside the accommodating portion.

[0009] In some possible designs, the first hot-pressing component includes a first mounting component, a second mounting component, a first adjustment assembly and a first head; the first mounting component is connected to the lifting assembly; the second mounting component is rotatably connected to the first mounting component; the first adjustment assembly is respectively connected to the first mounting component and the second mounting component to adjust the inclination angle of the first mounting component relative to the first mounting component through the first adjustment assembly; the first head is connected to the side of the second mounting component facing away from the first mounting component; and the connecting component is located on the side of the first head facing away from the second mounting component.

[0010] In some possible designs, a rotating shaft is provided on the first mounting component, the rotating shaft is located on a side of the first mounting component close to the second mounting component, and the second mounting component is rotatably connected to the rotating shaft.

[0011] In some possible designs, the first hot pressing component further includes a third mounting component and a third adjustment assembly, wherein the third mounting component is connected to the first mounting component and is located on one side of the second mounting component;

[0012] The second mounting component is movable along the axial direction of the rotating shaft, and the third adjusting assembly is connected to the second mounting component and the third mounting component respectively, so that the position of the second mounting component in the axial direction of the rotating shaft can be adjusted by the third adjusting assembly.

[0013] In some possible designs, at least one first threaded hole is provided on a side of the second mounting component close to the third mounting component, and at least one second threaded hole and a first connecting hole are provided on the third mounting component, wherein the first connecting hole is coaxially arranged with the first threaded hole;

[0014] The third adjustment assembly includes at least one first adjustment rod, a second adjustment rod and a positioning block, the first adjustment rod is inserted into the first connecting hole, one end of the first adjustment rod is threadedly connected to the first threaded hole, and the other end extends to the outside of the third mounting component and is connected to the positioning block to limit the distance between the second mounting component and the first mounting component through the positioning block; the second adjustment rod is threadedly connected to the second threaded hole, and the second adjustment rod abuts against the second mounting component.

[0015] In some possible designs, the first hot-pressing component further includes a second adjustment component, and the first head is connected to the second mounting component through the second adjustment component so that the inclination angle of the first head relative to the second mounting component can be adjusted through the second adjustment component so that the first head is parallel to the heat-sealing end of the second hot-pressing component.

[0016] In some possible designs, the second hot-pressing component includes a fourth mounting component, a fourth adjustment assembly and a second head, the fourth mounting component is connected to the lifting assembly, and the second head is connected to the fourth mounting component through the fourth adjustment assembly to adjust the inclination angle of the second head relative to the fourth mounting component through the fourth adjustment assembly, and the preheating component is located on the side of the second head away from the fourth mounting component.

[0017] In some possible designs, at least one limit block is provided on either the first head or the second head, and the limit block is configured to ensure a preset gap between the first head and the second head when the first head and the second head are pressed on both sides of the part to be heat-sealed.

[0018] In some possible designs, both the first sealing head and the second sealing head are provided with a limiting groove for limiting the position of the part to be heat-sealed.

[0019] In some possible designs, at least one of the first hot-pressing component and the second hot-pressing component is provided with a first detection device for detecting whether the object to be heat-sealed is located between the first hot-pressing component and the second hot-pressing component.

[0020] In some possible designs, the lifting assembly includes a first lifting assembly and a second lifting assembly, wherein the first lifting assembly and the second lifting assembly are respectively connected to the first hot pressing component and the second hot pressing component to respectively drive the first hot pressing component and the second hot pressing component to move;

[0021] The first lifting assembly is configured to drive the first hot pressing component toward the second hot pressing component when the second hot pressing component contacts the workpiece to be heat-sealed, or after the second lifting assembly drives the second hot pressing component toward the first hot pressing component for a preset time.

[0022] A second aspect of an embodiment of the present application provides a heat sealing system, comprising a heat sealing station and at least one heat sealing mechanism according to any one of the first aspects, wherein the heat sealing mechanism is arranged on the heat sealing station.

[0023] In some possible designs, a pre-processing station and a correction device are further included. The workpiece to be heat-sealed passes through the pre-processing station and enters the heat-sealing station. A second detection device is provided on the pre-processing station. The second detection device is used to detect the actual position of the workpiece to be heat-sealed on the pre-processing station. The correction device is configured to adjust the position of the heat-sealing mechanism according to the deviation between the actual position and the preset position so that the heat-sealing mechanism is adapted to the position of the workpiece to be heat-sealed on the heat-sealing station.

[0024] In some possible designs, the correction device includes a correction electric cylinder, which is connected to the heat sealing mechanism to drive the heat sealing mechanism to move. The movement trajectory of the heat sealing mechanism is consistent with the movement trajectory of the to-be-heat-sealed part between the pre-processing station and the heat sealing station.

[0025] The heat sealing mechanism and heat sealing system provided by the embodiments of the present application are characterized in that the heat sealing mechanism is provided with a first heat pressing component, a second heat pressing component and a lifting component, a receiving portion and a connecting component are provided at the heat sealing end of the first heat pressing component, and a preheating component is provided at the heat sealing end of the second heat pressing component. When the lifting component drives the first heat pressing component and the second heat pressing component to approach each other for heat sealing, the connecting component and the preheating component respectively contact opposite sides of the part to be heat sealed, and at this time, the connecting component squeezes the part to be heat sealed so that the part to be heat sealed and the preheating component are adhered to each other. The preheating component preheats the part to be heat sealed so that the glue on the part to be heat sealed is melted. As the first heat pressing component and the second heat pressing component move closer together, the connecting component is squeezed and gradually moves into the receiving portion due to being squeezed. When the connecting component completely enters the receiving portion, the glue on the part to be heat sealed has been melted under the preheating of the preheating component. At this time, the hot pressing ends of the first and second hot pressing components heat press the part to be heat sealed, which can effectively improve the heat sealing effect, thereby avoiding the problem of poor heat sealing caused by ineffective melting of the glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0027] Figure 1Schematic diagram of the structure of the battery and aluminum-plastic film before hot pressing;

[0028] Figure 2 A schematic diagram of the partial structure of the heat sealing mechanism provided in an embodiment of the present application;

[0029] Figure 3 A three-dimensional diagram of a first heat-pressing component in a heat-sealing mechanism provided in an embodiment of the present application;

[0030] Figure 4 A front view of a first heat-pressing component in a heat-sealing mechanism provided in an embodiment of the present application;

[0031] Figure 5 A side view of a first heat-pressing component in a heat-sealing mechanism provided in an embodiment of the present application;

[0032] Figure 6 A cross-sectional view of a first heat-pressing component in a heat-sealing mechanism provided in an embodiment of the present application;

[0033] Figure 7 for Figure 6 Schematic diagram of the enlarged structure in the middle circle;

[0034] Figure 8 A schematic structural diagram of a third mounting component in the heat sealing mechanism provided in an embodiment of the present application;

[0035] Figure 9 A schematic structural diagram of the second heat-pressing component in the heat-sealing mechanism provided in an embodiment of the present application;

[0036] Figure 10 for Figure 9 A schematic structural diagram of the first hot pressing component from another perspective;

[0037] Figure 11 A schematic structural diagram of the first sealing head and the second sealing head in the heat sealing mechanism provided in an embodiment of the present application in a pressed state;

[0038] Figure 12 A schematic structural diagram of the heat sealing system provided in an embodiment of the present application.

[0039] Reference numerals:

[0040] 10-parts to be heat-sealed; 11-connecting piece; 20-aluminum-plastic film; 30-ear glue;

[0041] 100 - first hot pressing component; 110 - first end cap; 111 - connecting component; 113 - second heater; 114 - limiting block; 115 - elastic member; 116 - accommodating portion; 117 - first preheating block; 120 - first mounting seat; 130 - first mounting component; 131 - rotating shaft seat; 140 - first adjusting assembly; 150 - second mounting component; 160 - third mounting component; 170 - second adjusting assembly; 180 - third adjusting assembly; 181 - second threaded hole; 182 - first connecting hole; 183 - first adjusting rod; 184 - positioning block; 185 - second adjusting rod;

[0042] 200 - second hot pressing component; 210 - preheating component; 211 - third heater; 220 - second head; 221 - fourth heater; 222 - limit slot; 230 - second mounting seat; 240 - fourth mounting component; 250 - fourth adjustment assembly;

[0043] 310 - first lifting assembly; 311 - first motor; 312 - first speed reducer; 313 - second support plate; 314 - first screw rod; 315 - first slide rail; 316 - first support plate; 317 - first guide rail mounting member; 320 - second lifting assembly; 321 - second motor; 322 - second speed reducer; 323 - third support plate; 324 - second screw rod; 325 - second slide rail; 326 - fourth support plate; 327 - second guide rail mounting member;

[0044] 400 - first detection device; 410 - third mounting base;

[0045] 500-correction electric cylinder;

[0046] 600-mounting frame;

[0047] 700-fifth support plate;

[0048] 800 - Preset gap.

[0049] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0050] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0051] like Figure 1 As shown, before the connecting piece 11 of the lithium battery is heat-sealed, a tab glue 30 is provided on the periphery of the connecting piece 11, and the aluminum-plastic film 20 for heat sealing is placed on both sides of the tab glue 30. During heat sealing, the two heat sealing heads of the heat sealing mechanism perform heat pressing from the outside of the aluminum-plastic film 20 to melt the tab glue 30 and press the aluminum-plastic film 20 onto the connecting piece.

[0052] In this process, the heat sealing head performs hot pressing for a short time, which makes it difficult to effectively melt the tab glue 30, and thus poor packaging is likely to occur.

[0053] In addition, the existing heat sealing mechanism generally includes an upper head, a lower head and a lifting assembly. The lifting assembly can drive the upper head and the lower head to move closer to or away from each other. The heat sealing position of the upper head and the lower head is generally adjusted manually. That is, after a product defect is discovered, the position or inclination angle of the upper head or the lower head is generally adjusted manually. During actual adjustment, the adjustable range is small and is easily affected by installation errors, making adjustment more difficult. At the same time, during use, if sliding and displacement occur between the components, it will affect the packaging quality and will also lead to the production of defective products.

[0054] To avoid the aforementioned problems, embodiments of the present application provide a heat-sealing mechanism and system. The heat-sealing mechanism utilizes a preheating element and a connecting element to preheat and melt the tab adhesive on the connecting piece. This allows the tab adhesive to melt when the first and second heat-sealing elements are brought into closest proximity for heat sealing, effectively improving the heat-sealing effect. Furthermore, the tilt angle of the first heat-sealing element can be roughly adjusted and then fine-tuned, expanding the adjustable range and enhancing ease of adjustment.

[0055] It can be understood that the heat sealing mechanism and heat sealing system in the embodiments of the present application can not only be applied to the connecting pieces of lithium batteries, but can also be applied to other products with similar structures for heat sealing. In the embodiments of the present application, for ease of understanding, lithium batteries are mainly used as an example for explanation.

[0056] The following specific embodiments describe in detail the technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0057] In some embodiments, see Figure 2As shown, the heat sealing mechanism includes a first heat pressing component 100, a second heat pressing component 200 and a lifting assembly. The first heat pressing component 100 and the second heat pressing component 200 are driven to move closer to or away from each other by the lifting assembly. When the first heat pressing component 100 and the second heat pressing component 200 move away from each other, the object 10 to be heat-sealed can be taken out or put in. When the first heat pressing component 100 and the second heat pressing component 200 move closer to each other until they reach the closest position, the heat sealing ends of the first heat pressing component 100 and the second hot pressing component 200 will contact the opposite sides of the object 10 to be heat-sealed to perform heat sealing.

[0058] It is understandable that the lifting assembly of this embodiment can have various structures, as long as it can drive the first hot pressing component 100 and the second hot pressing component 200 to move closer to or away from each other, and this embodiment does not limit it.

[0059] Exemplarily, the lifting assembly may include a motor and a reciprocating screw, the motor drives the reciprocating screw to rotate, and the first hot-pressing component 100 and the second hot-pressing component 200 are threadedly connected to the two thread grooves of different rotation directions of the reciprocating screw. When the motor drives the reciprocating screw to rotate, the first hot-pressing component 100 and the second hot-pressing component 200 can approach or move away from each other.

[0060] Exemplarily, the lifting assembly can be two hydraulic cylinders, which are respectively connected to the first hot pressing component 100 and the second hot pressing component 200 to drive the first hot pressing component 100 and the second hot pressing component 200 to move, thereby making the first hot pressing component 100 and the second hot pressing component 200 approach or move away from each other.

[0061] In some embodiments, see Figure 2 and Figure 7 As shown, the heat-sealing end of the first hot-pressing component 100 is provided with a receiving portion 116 and a connecting component 111. The connecting component 111 is at least partially located in the receiving portion 116, and the connecting component 111 can completely enter the receiving portion 116 when subjected to an external extrusion force, and at least partially extend to the outside of the receiving portion 116 when the external extrusion force disappears.

[0062] The heat-sealing end of the second hot-pressing component 200 is provided with a preheating component 210, which is arranged opposite to the connecting component 111. When the first hot-pressing component 100 and the second hot-pressing component 200 are driven close to each other, the preheating component 210 and the connecting component 111 are used to contact the opposite sides of the part to be heat-sealed 10 respectively, so as to extrude the part to be heat-sealed 10 through the connecting component 111 so that the part to be heat-sealed 10 and the preheating component 210 are fitted together; the preheating component 210 can preheat the part to be heat-sealed 10 in contact with it so as to melt the glue on the part to be heat-sealed 10.

[0063] The preheating element 210 only needs to be able to heat up to a preset temperature to preheat the glue of the heat-sealed element 10 to melt it. This embodiment does not limit its type and specific principle.

[0064] Taking lithium batteries as an example, the connecting piece 11 of the lithium battery is placed between the first hot pressing component 100 and the second hot pressing component 200. During hot pressing, the lifting assembly drives the first hot pressing component 100 and the second hot pressing component 200 to move so that the two are close to each other until the preheating component 210 contacts the part to be heat-sealed 10. The second hot pressing component 200 stops moving. After the preheating component 210 contacts the part to be heat-sealed 10, it will preheat the part to be heat-sealed 10 at a certain temperature. The first hot pressing component 10 continues to move, and the connecting component 111 will first contact the connecting piece. 11 contacts and squeezes the connecting piece 11 to make it effectively fit with the preheating part 210. In this process, affected by the extrusion force, the connecting part 111 will gradually move toward the accommodating part 116. After the connecting part 111 completely enters the accommodating part 116, the heat-sealing end of the first hot-pressing part 100 contacts the part to be preheated 210, so that the part to be heat-sealed 10 is hot-pressed by the first hot-pressing part 100 and the second hot-pressing part 200. At this time, the preheating part 210 has preheated the part to be heat-sealed 10, and the ear glue 30 has melted, which can effectively improve the heat sealing effect.

[0065] In some embodiments, see Figure 5 As shown, the connecting component 111 includes a first heater. When the connecting component 111 contacts the member to be heat-sealed 10 , the first heater generates heat to preheat the member to be heat-sealed 10 .

[0066] Of course, a third heater 211 may be provided in the preheating member 210 so as to preheat the member 10 to be heat-sealed by the third heater 211 .

[0067] The heater can generate heat to a preset temperature when powered on, so as to effectively preheat the heat-sealed member 10 and accelerate the melting speed of the glue on the heat-sealed member 10 .

[0068] Exemplarily, the heater can be a combination of a thermocouple, a heating coil and an insulating material, with the insulating material wrapped around the periphery of the thermocouple and the heating coil. After being connected to the power supply, the heating coil can generate heat and heat the object in contact with the heater. The thermocouple is based on the Seebeck effect. When two different metal contacts are at different temperatures, an electromotive force will be generated in the circuit. Therefore, when the heating coil is working, the temperature of the heating coil can be monitored in real time, which facilitates the control of the heater so that the heater can preheat the ear glue 30 set on the connecting piece 11 at an appropriate temperature so that the ear glue 30 can melt quickly.

[0069] In some embodiments, see Figure 6 and Figure 7As shown, the connecting component 111 also includes a first preheating block 117 and an elastic member 115. The first heater is located inside the first preheating block 117. When the first heater generates heat, the temperature can be transferred to the first preheating block 117 to preheat the part 10 to be heat-sealed when the first preheating block 117 contacts the part 10 to be heat-sealed.

[0070] Specifically, the first preheating block 117 is located at the heat-sealing end of the first hot pressing component 100, and the first preheating block 117 is at least partially located in the accommodating portion 116. The elastic member 115 is located in the accommodating portion 116 and contacts the first preheating block 117. When the first preheating block 117 is squeezed from the outside, it will move toward the accommodating portion 116. When the external squeezing force disappears, the elastic member 115 will drive the first preheating block 117 to move so that the first preheating block 117 at least partially extends outside the accommodating portion 116.

[0071] It is understandable that the elastic member 115 can be a spring, a spring sheet, etc., which can store energy when compressed and deformed, and can automatically release energy to return to its original position when the squeezing force disappears. This embodiment does not limit it here.

[0072] When the first preheating block 117 and the preheating member 210 are in contact with the opposite sides of the part to be heat-sealed 10 respectively, the part to be heat-sealed 10 can be preheated from both sides to melt the tab glue 30 quickly. At the same time, the first preheating block 117 can move toward the accommodating portion 116, which means that after the first preheating block 117 and the preheating member 210 are in contact with the part to be heat-sealed 10, it takes a certain amount of time until the first preheating block 117 completely enters the accommodating portion 116, so there is sufficient time to preheat the part to be heat-sealed 10 and melt the tab glue 30.

[0073] In some embodiments, see Figure 4 、 Figure 6 and Figure 7 As shown, the first hot pressing component 100 includes a first head 110, and a second heater 113 is provided on the first head 110, so that the side of the first head 110 facing the second hot pressing component 200 is the heat sealing end, wherein the second heater 113 has a similar structure to the first heater and can be heated to a suitable temperature to heat seal the heat-sealed component 10, and the first preheating block 117 is located on the side of the first head 110 facing the second hot pressing component 200, and the accommodating portion 116 can be a hole provided at the heat sealing end of the first head 110, and the first preheating block 117 is inserted in the hole and can slide relative to the hole, and the spring is located between the bottom of the accommodating portion 116 and the first preheating block 117.

[0074] Among them, in order to limit the first preheating block 117, a clamping portion can be provided at the end of the first preheating block 117 that contacts the spring, and a boss can be provided at the end of the accommodating portion 116 facing the second hot pressing component 200. The clamping portion is clamped on the boss, and the clamping portion and the boss cooperate to limit the position of the first preheating block 117 after the spring pushes the first preheating block 117 to move a certain distance toward the outside of the accommodating portion 116 to prevent it from disengaging from the accommodating portion 116. At the same time, the contact between the clamping portion and the accommodating portion 116 can also limit the moving trajectory of the first preheating block 117.

[0075] In some embodiments, in order to further improve the preheating effect of the heat-sealed member 10, see Figure 3 and Figure 9 As shown, the lifting assembly includes a first lifting assembly 310 and a second lifting assembly 320, which are respectively connected to the first hot pressing component 100 and the second hot pressing component 200 to respectively drive the first hot pressing component 100 and the second hot pressing component 200 to move.

[0076] When the second hot pressing component 200 contacts the object 10 to be heat-sealed, or after the second lifting assembly 320 drives the second hot pressing component 200 to move toward the object 10 to be heat-sealed for a preset time, the first hot pressing component 100 is driven to move toward the object 10 to be heat-sealed.

[0077] Specifically, see Figure 2 As shown, the first hot-pressing component 100 and the second hot-pressing component 200 can be arranged in an upper and lower relationship, and a heat-sealing position for placing the workpiece 10 to be heat-sealed is provided between the first hot-pressing component 100 and the second hot-pressing component 200. The first hot-pressing component 100 and the second hot-pressing component 200 are driven to move by the first lifting component 310 and the second lifting component 320 respectively. The second hot-pressing component 200 is first moved to the heat-sealing position until the second hot-pressing component 200 contacts the workpiece 10 to be heat-sealed, and the workpiece 10 to be heat-sealed is preheated. Then, the first hot-pressing component 10 is moved toward the workpiece 10 to be heat-sealed. The specific control method can be to set a sensor on the second hot-pressing component to detect whether the preheating component 210 contacts the workpiece 10 to be heat-sealed, or to directly set the moving distance and moving speed of the second hot-pressing component, so as to determine a preset time for the preheating component 210 to move from the initial position to contact the workpiece 10 to be heat-sealed. When the first preheating block 117 contacts the part to be heat-sealed 10, it can squeeze the part to be heat-sealed 10 so that the part to be heat-sealed 10 and the preheating part 210 can fit more closely. At the same time, the first preheating block 117 can also preheat the side of the part to be heat-sealed 10 away from the preheating part 210, thereby extending the preheating time of the part to be heat-sealed 10, so that the connecting piece 11 can be fully heated before heat sealing, so that the tab glue 30 can be melted.

[0078] Exemplarily, the first lifting assembly 310 includes a first motor 311, a first reducer 312, a second support plate 313, a first screw rod 314, a first slide rail 315, a first support plate 316 and a first guide rail mounting member 317. The extension direction of the first support plate 316 coincides with the extension direction of the moving track of the first hot pressing component 100, that is, the first support plate 316 extends along the Z direction, the second support plate 313 is located on the top of the first support plate 316, and is parallel to the plane defined by the X-axis and the Y-axis. The first motor 311 and the first reducer 312 are mounted on the second support plate 313. On the upper part, the extension direction of the first screw rod 314, the first slide rail 315 and the first guide rail mounting member 317 are all the same as the extension direction of the first support plate 316, the first guide rail mounting member 317 is fixed on the first support plate 316, the first slide rail 315 is mounted on the first guide rail mounting member 317, the first hot pressing component 100 is threadedly connected to the first screw rod 314, and the first hot pressing component 100 is provided with a slider and other components that are slidably connected to the first slide rail 315, the first motor 311 is connected to the first reducer 312, and the first reducer 312 can be connected to the first screw rod 314 through a coupling.

[0079] The first motor 311 controls the first reducer 312 to drive the first screw 314 to rotate, so that the first hot pressing component 100 can move up and down along the first slide rail 315, so that the first hot pressing component 100 can move closer to or away from the heat sealing position.

[0080] Correspondingly, the second lifting assembly 320 includes a second motor 321 , a second reducer 322 , a third support plate 323 , a fourth support plate 326 , a second slide rail 325 and a second guide rail mounting member 327 . The extension direction of the fourth support plate 326 coincides with the extension direction of the moving trajectory of the second hot pressing component 200, the third support plate 323 is located at the bottom of the fourth support plate 326, the second motor 321 and the second reducer 322 are installed on the third support plate 323, the extension direction of the second screw rod 324, the second slide rail 325 and the second guide rail mounting member 327 are all the same as the extension direction of the fourth support plate 326, the second guide rail mounting member 327 is fixed on the fourth support plate 326, the second slide rail 325 is mounted on the second guide rail mounting member 327, the second hot pressing component 200 is threadedly connected to the second screw rod 324, and the second hot pressing component 200 is provided with a slider and other components that are slidably connected to the second slide rail 325, the second motor 321 is connected to the second reducer 322, and the second reducer 322 can be connected to the second screw rod 324 through a coupling.

[0081] The second motor 321 controls the second reducer 322 to drive the second screw 324 to rotate, so that the second hot pressing component 200 can move up and down along the second slide rail 325, so that the second hot pressing component 200 can move closer to or away from the heat sealing position.

[0082] In order to effectively limit the movement tracks of the first mounting seat 120 and the second mounting seat 230 , a first slide rail 315 and a second slide rail 325 may be provided on both sides of the first mounting seat 120 and the second mounting seat 230 .

[0083] It is understandable that the above examples are merely illustrative of the structure of the lifting assembly, rather than limiting it, and other structures that can drive the first hot pressing component 100 and the second hot pressing component 200 to move in the above manner are also acceptable.

[0084] In some embodiments, see Figure 3 and Figure 4 As shown, the first hot pressing component 100 further includes a first mounting component 130, a second mounting component 150, and a first adjustment assembly 140. The first mounting component 130 is connected to the lifting assembly, that is, the first mounting component 130 can be connected to the side of the first mounting seat 120 facing away from the second support plate 313. The second mounting component 150 is rotatably connected to the first mounting component 130. The first adjustment assembly 140 is connected to the first mounting component 130 and the second mounting component 150 respectively, so that the first adjustment assembly 140 can adjust the inclination angle of the first mounting component 130 relative to the first mounting component 130. The first head 110 is connected to the side of the second mounting component 150 facing away from the first mounting component 130.

[0085] Specifically, the first mounting component 130 can be a first mounting plate, which is fixed to the first mounting seat 120 by bolts. Of course, the first mounting plate can also be connected to the first mounting seat 120 in other ways, or the first mounting plate and the first mounting seat 120 can be integrally formed. This embodiment does not limit this.

[0086] A rotating shaft seat 131 is provided on the side of the first mounting plate close to the second mounting component 150, and a rotating shaft is installed on the rotating shaft seat 131. The rotating shaft extends along the X direction, and the first mounting plate and the second mounting component 150 both extend in the Y direction. A connecting hole can be provided on the second mounting component 150 so that the rotating shaft is inserted into the connecting hole. The second mounting component 150 can rotate around the rotating shaft, so that the inclination angle of the second mounting component 150 relative to the first mounting component 130 can be adjusted, and the first head 110 is fixed on the second mounting component 150. When the inclination angle of the second mounting component 150 changes, the inclination angle of the first head 110 also changes accordingly, so that the inclination angle of the first head 110 can be adjusted within a larger range, so that the heat-sealing end of the first hot-pressing component 100 can be parallel to the Y direction, thereby adapting to the side of the connecting piece 11, thereby improving the heat-sealing effect.

[0087] Of course, the structures of the first installation component 130 and the second installation component 150 are merely exemplified and are not intended to limit the structures. The rotatable connection may also be achieved through other means.

[0088] In some embodiments, the first adjustment component 140 can be at least two adjustment bolts, and at least one adjustment bolt is set on each side of the central axis of the second mounting component 150 extending along the X direction, wherein a threaded hole can be set on the first mounting plate, the adjustment bolt is threadedly connected to the threaded hole, and one end passes through the threaded hole and contacts the side of the second mounting component 150 away from the first mounting component 130. By adjusting the screwing depth of the adjustment bolts on both sides of the central axis of the second mounting component 150, the inclination angle of the second mounting component 150 can be changed, and after adjustment, the second mounting component 150 can also be prevented from shifting.

[0089] It is understandable that the structure of the first adjustment component 140 is merely illustrated here, rather than limited thereto.

[0090] In some embodiments, the first hot pressing component 100 also includes a second adjustment component 170, and the first head 110 is connected to the second mounting component 150 through the second adjustment component 170, so that the inclination angle of the first head 110 relative to the second mounting component 150 can be adjusted by the second adjustment component 170, so that the first head 110 is parallel to the heat sealing end of the second hot pressing component 200.

[0091] The first head 110 also extends along the Y direction, and the second adjustment component 170 can be configured as a plurality of leveling bolts, at least one of which is provided on each side of the central axis of the first head 110 extending along the X direction, and a threaded hole is provided on the second mounting component 150, and the leveling bolt is threadedly connected to the threaded hole and contacts the first head 110 through the threaded hole, so that the inclination angle of the first head 110 relative to the second mounting component 150 can be fine-tuned by adjusting the screw-in depth of the leveling bolt, so that the heat-sealing ends of the first hot-pressing component 100 and the second hot-pressing component 200 are parallel.

[0092] During actual adjustment, the inclination angle of the first head 110 can be roughly adjusted through the first adjustment component 140. During rough adjustment, since the second mounting component 150 can rotate around the axis, the adjustment range is not only larger, but also the first head 110 can be automatically leveled. After rough adjustment, fine adjustment can be performed through the second adjustment component 170 according to actual conditions, which makes adjustment more convenient.

[0093] In some embodiments, to adjust the position of the first head 110 in the X direction, see Figure 8As shown, the first hot pressing component 100 further includes a third mounting component 160 and a third adjustment assembly 180 . The third mounting component 160 is connected to the first mounting component 130 and is located on one side of the second mounting component 150 .

[0094] The second mounting member 150 is movable along the axial direction of the rotating shaft. Specifically, the length of the rotating shaft is greater than the length of the connecting hole in the second mounting member 150. The second mounting member 150 is movable along the rotating shaft in the X-direction, thereby changing the X-direction position of the first end cap 110. The third adjustment assembly 180 is connected to the second mounting member 150 and the third mounting member 160, respectively, so that the axial position of the second mounting member 150 can be adjusted by the third adjustment assembly 180.

[0095] The third mounting component 160 may be fixed to one side of the first mounting component 130 , namely, located at one end of the first mounting component 130 in the X direction, and may be connected by bolts or other means, which is not limited in this embodiment.

[0096] The second mounting component 150 is connected to the first mounting component 130 only through the rotating shaft. Therefore, it is only necessary to adjust the position of the second mounting component 150 through the third adjusting component 180 to make the second mounting component 150 move along the axial direction of the rotating shaft. After the adjustment, the position of the second mounting component 150 can be limited by the third adjusting component 180 so that it no longer moves along the rotating shaft. In this way, the position of the first head 110 in the X direction can be adjusted to adapt it to the position of the heat sealing area of ​​the connecting piece 11, thereby reducing the probability of defective products.

[0097] In some embodiments, the second mounting component 150 is provided with at least one first threaded hole on the side close to the third mounting component 160, and the third mounting component 160 is provided with at least one second threaded hole 181 and a first connecting hole 182, and the first connecting hole 182 is coaxially arranged with the first threaded hole.

[0098] The third adjustment assembly 180 includes at least one first adjustment rod 183, a second adjustment rod 185 and a positioning block 184. The first adjustment rod 183 is inserted into the first connecting hole 182. One end of the first adjustment rod 183 is threadedly connected to the first threaded hole, and the other end extends to the outside of the third mounting component 160 and is connected to the positioning block 184 to limit the distance between the second mounting component 150 and the first mounting component 130 through the positioning block 184; the second adjustment rod 185 is threadedly connected to the second threaded hole 181, and the second adjustment rod 185 abuts against the second mounting component 150.

[0099] Specifically, the first adjustment rod 183 passes through the first connecting hole 182 and is screwed into the first threaded hole. Pulling the first adjustment rod 183 can pull the second mounting component 150 to move relative to the third mounting component 160. When adjusting the position of the second mounting component 150 in the X direction, the second adjustment rod 185 is screwed into the second threaded hole 181, and the length of the end of the second adjustment rod 185 extending to the outside of the third mounting component 160 is adjusted. The first adjustment rod 183 is pulled to make the second mounting component 150 abut against the second adjustment rod 185. After determining that the position of the second mounting component 150 is the desired position, the positioning block 184 is tightened onto the first adjustment rod 183 so that the positioning block 184 abuts against the third mounting component 160. At this time, the position of the second mounting component 150 can be effectively restricted by the first adjustment rod 183, the second adjustment rod 185, and the positioning block 184, so that the position of the first head 110 in the X direction is adapted to the connecting piece 11.

[0100] In addition, the first connecting hole 182 can also be a countersunk hole, and the positioning block 184 can be directly stuck in the countersunk hole to limit the position of the first adjusting rod 183 relative to the third installation component 160, thereby limiting the position of the second installation component 150.

[0101] In some embodiments, see Figure 9 and Figure 10 As shown, the second hot pressing component 200 includes a fourth mounting component 240, a fourth adjusting component 250 and a second head 220. The fourth mounting component 240 is connected to the lifting component, that is, the fourth mounting component 240 is connected to the end of the second mounting seat 230 away from the second reducer 322. The second head 220 is connected to the fourth mounting component 240 through the fourth adjusting component 250, so as to adjust the inclination angle of the second head 220 relative to the fourth mounting component 240 through the fourth adjusting component 250, and level the heat-sealing end of the second head 220 to adapt to the heat-sealing surface of the part 10 to be heat-sealed. The side of the second head 220 away from the fourth mounting component 240 is the heat-sealing end, and the preheating part 210 is located on the side of the second head 220 away from the fourth mounting component 240.

[0102] The fourth mounting component 240 may be configured as a U-shaped structure so that the fourth mounting component 240 is connected to the second mounting seat 230 and the second head 220 .

[0103] It is understandable that a fourth heater 221 may be provided in the second sealing head 220 so as to adjust the temperature of the second sealing head 220 by the fourth heater 221 for heat sealing.

[0104] The second head 220 also extends along the Y direction. The fourth adjustment component 250 can be set to multiple leveling bolts, and at least one leveling bolt is set on each side of the central axis of the second head 220 extending along the X direction. A threaded hole is set on the fourth mounting component 240, and the leveling bolt is threadedly connected to the threaded hole and contacts the second head 220 through the threaded hole. The inclination angle of the second head 220 can be fine-tuned by adjusting the screw-in depth of the leveling bolt, so that the heat-sealing end of the second hot-pressing component 200 is leveled and adapted to the heat-sealing surface of the part 10 to be heat-sealed.

[0105] In some embodiments, see Figure 11 As shown, at least one limit block 114 is provided on either the first head 110 or the second head 220. When the first head 110 and the second head 220 are pressed on both sides of the part to be heat-sealed 10, a preset gap 800 is provided between the first head 110 and the second head 220 through the limit block 114.

[0106] The preset gap 800 corresponds to the thickness that needs to be reserved for the aluminum-plastic film 20 after heat sealing. The value of the preset gap 800 can be designed according to the actual needs of the product. When the first hot-pressing component 100 and the second hot-pressing component 200 are pressed together for heat sealing, the limit block 114 can be tightly pressed between the first head 110 and the second head 220, so that a preset gap 800 is always left between the first head 110 and the second head 220 to avoid damage to the product.

[0107] It is understood that the number and position of the limit blocks 114 can be selected according to actual conditions. For example, a limit block 114 can be provided at each end of the first head 110. When the first head 110 and the second head 220 are moved to the heat sealing position for heat sealing, the limit blocks 114 will abut against the second head 220 to limit the relative position between the two. Of course, the limit blocks 114 can also be provided on the second head 220, and this embodiment is not limited thereto.

[0108] In some embodiments, see Figure 10 As shown, both the first sealing head 110 and the second sealing head 220 are provided with a limiting groove 222 for limiting the position of the component 10 to be heat-sealed.

[0109] During heat sealing, the connecting piece 11 can be inserted into the limiting slot 222 , and the limiting slot 222 limits the position of the connecting piece 11 to prevent the connecting piece 11 from shifting during the heat sealing process.

[0110] In some embodiments, in order to improve the convenience of using the heat sealing mechanism, a first detection device 400 is provided on at least one of the first hot pressing component 100 and the second hot pressing component 200 to detect whether there is a piece 10 to be heat-sealed between the first hot pressing component 100 and the second hot pressing component 200.

[0111] Exemplarily, the first detection device 400 can be a laser sensor, and a third mounting seat 410 is provided on the first mounting component 130. The third mounting seat 410 extends to one side of the first hot-pressing component 100, which corresponds to the placement position of the part to be heat-sealed 10, such as the main body of a battery. When the laser sensor detects the presence of a battery below, the first lifting assembly 310 automatically drives the second hot-pressing component 200 to move toward the connecting piece 11 until the preheating component 210 contacts the connecting piece 11, and then the second lifting assembly 320 automatically drives the first hot-pressing component 100 to move toward the connecting piece 11 until the first preheating block 117 completely enters the accommodating portion 116. After the heat sealing is completed, the first lifting assembly 310 and the second lifting assembly 320 automatically drive the first mounting component 130 and the second mounting component 150 back to their original positions, waiting for the next heat sealing.

[0112] Therefore, every time the battery reaches the heat sealing position, the heat sealing mechanism will automatically perform heat sealing, effectively improving the convenience and efficiency of heat sealing.

[0113] It is understandable that the above is merely an example of the installation and application of the first detection device 400 and is not intended to limit the same.

[0114] The present application also provides a heat sealing system. Figure 12 As shown, it includes a heat sealing station and the heat sealing mechanism in the above embodiment, and the heat sealing mechanism is arranged on the heat sealing station.

[0115] Specifically, the heat sealing system can also include processing stations such as pre-processing stations and post-processing stations to form a battery production line. The heat sealing station is located between the pre-processing station and the post-processing station. Each station can be connected by a conveying device such as a conveyor belt. After the battery is pre-processed, the conveying device automatically conveys the battery to the heat sealing station, and heat-sealed by the heat sealing mechanism. After the heat sealing is completed, it is automatically conveyed to the post-processing station by the conveying device, and subsequent processing is carried out at the post-processing station, thereby improving the convenience of processing.

[0116] In actual applications, each time the battery arrives at the heat sealing station, there may be a certain deviation in the position in the Y direction, resulting in the connection piece 11 being unable to adapt to the position of the limit slot 222, so that the position of the first head 110 and the second head 220 without the limit slot 222 is directly pressed on the connection piece 11, resulting in a short circuit and affecting the processing yield.

[0117] In this regard, this embodiment is also provided with a correction device, and a second detection device is provided on the pre-processing station. The second detection device is used to detect the actual position of the workpiece 10 to be heat-sealed on the pre-processing station. The correction device adjusts the position of the heat sealing mechanism according to the deviation between the actual position and the preset position so that the heat sealing mechanism is adapted to the position of the workpiece 10 to be heat-sealed on the heat sealing station.

[0118] The second detection device can be a CCD camera (Charge-Coupled Device Camera). The CCD camera has the characteristics of high sensitivity, high resolution, and low noise. It can effectively obtain the actual position of the battery in the pre-processing station. When the conveying device moves the battery from the pre-processing station to the heat sealing station, the distance the battery moves is fixed. Therefore, at this time, the possible position of the battery when it arrives at the heat sealing station can be calculated based on the actual position. According to the possible position and the preset position of the battery corresponding to the current position of the heat sealing mechanism, it is determined whether the heat sealing mechanism needs to move in the positive or reverse direction of the Y direction, and the distance it needs to move, thereby forming an adjustment plan. The correction device controls the movement of the heat sealing mechanism according to the adjustment plan.

[0119] The correcting device includes a correcting electric cylinder 500, which can be fixed on the mounting frame 600. A fifth support plate 700 can also be set on the mounting frame 600. The first support plate 316 and the fourth support plate 326 are connected through the fifth support plate 700, and the heat sealing mechanism is supported by the fifth support plate 700. The correcting electric cylinder 500 is connected to the fifth support plate 700, and can push the fifth support plate 700 to move back and forth along the Y direction, thereby adjusting the position of the heat sealing mechanism in the Y direction.

[0120] It can be understood that the above examples are only illustrative of the second detection device and the correcting device, rather than limiting them. The second detection device can be other devices that can obtain the actual position of the battery, and the correcting device can also be a hydraulic cylinder or other device that can adjust the position of the heat sealing mechanism in the Y direction. This embodiment does not limit them here.

[0121] In addition, the heat sealing system generally has a control system. The heat sealing mechanism, the second detection device, and the correction device can all be connected to the control system for communication. After the CCD camera obtains the image information of the pre-processing station, it transmits the image information to the control system. The control system performs calculations to determine the position adjustment plan of the heat sealing mechanism, and then controls the correction device to drive the heat sealing mechanism to move according to the adjustment plan. After the battery is moved from the pre-processing station to the heat sealing station, the first detection device 400 transmits a signal to the control system, and the control system controls the heat sealing mechanism to perform heat sealing.

[0122] Finally, it should be noted that those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. It is not limited to the precise structure described above and shown in the drawings, and various modifications and variations may be made without departing from the scope of this application. The scope of this application is limited solely by the appended claims.

Claims

1. A heat sealing mechanism, characterized in that: The invention comprises a first hot pressing component (100), a second hot pressing component (200) and a lifting assembly, wherein the first hot pressing component (100) and the second hot pressing component (200) are driven to move closer to or farther from each other by the lifting assembly, and a heat-sealing end of the first hot pressing component (100) is provided with a receiving portion (116) and a connecting component (111), wherein the connecting component (111) is configured to fully enter the receiving portion (116) when subjected to an external extrusion force, and at least partially extend outside the receiving portion (116) when the external extrusion force disappears; The heat-sealing end of the second hot-pressing component (200) is provided with a preheating component (210), and the preheating component (210) is arranged opposite to the connecting component (111). When the first hot-pressing component (100) and the second hot-pressing component (200) are driven close to each other, the preheating component (210) and the connecting component (111) are used to contact the opposite sides of the part to be heat-sealed (10) respectively, so as to extrude the part to be heat-sealed (10) through the connecting component (111) so that the part to be heat-sealed (10) and the preheating component (210) are fitted together; the preheating component (210) is configured to preheat the part to be heat-sealed (10) in contact with the preheating component (210) so that the glue on the part to be heat-sealed (10) is melted.

2. The heat sealing mechanism according to claim 1, characterized in that: The connecting component (111) includes a first heater, which is configured to preheat the part to be heat-sealed (10) when in contact with the part to be heat-sealed (10).

3. The heat sealing mechanism according to claim 2, characterized in that: The connecting component (111) further includes a first preheating block (117) and an elastic member (115), wherein the first heater is located inside the first preheating block (117), and the first preheating block (117) is located at the heat-sealing end of the first hot pressing component (100), and the elastic member (115) is located in the accommodating portion (116) and contacts the first preheating block (117), and the elastic member is configured to drive the first preheating block (117) to move when an externally applied extrusion force disappears, so that the first preheating block (117) at least partially extends outside the accommodating portion (116).

4. The heat sealing mechanism according to claim 1, characterized in that: The first hot pressing component (100) includes a first mounting component (130), a second mounting component (150), a first adjusting component (140) and a first head (110); the first mounting component (130) is connected to the lifting component; the second mounting component (150) is rotatably connected to the first mounting component (130); the first adjusting component (140) is respectively connected to the first mounting component (130) and the second mounting component (150) so as to adjust the inclination angle of the first mounting component (130) relative to the first mounting component (130) through the first adjusting component (140); the first head (110) is connected to the side of the second mounting component (150) facing away from the first mounting component (130); and the connecting component (111) is located on the side of the first head (110) facing away from the second mounting component (150).

5. The heat sealing mechanism according to claim 4, characterized in that: A rotating shaft is provided on the first mounting component (130), and the rotating shaft is located on a side of the first mounting component (130) close to the second mounting component (150), and the second mounting component (150) is rotatably connected to the rotating shaft.

6. The heat sealing mechanism according to claim 5, characterized in that: The first hot pressing component (100) further includes a third mounting component (160) and a third adjustment assembly (180), wherein the third mounting component (160) is connected to the first mounting component (130), and the third mounting component (160) is located on one side of the second mounting component (150); The second mounting component (150) is movable along the axial direction of the rotating shaft, and the third adjusting component (180) is connected to the second mounting component (150) and the third mounting component (160) respectively, so as to adjust the position of the second mounting component (150) in the axial direction of the rotating shaft through the third adjusting component (180).

7. The heat sealing mechanism according to claim 6, characterized in that: The second mounting component (150) is provided with at least one first threaded hole on a side close to the third mounting component (160), the third mounting component (160) is provided with at least one second threaded hole (182) and a first connecting hole (181), and the first connecting hole (181) is coaxially arranged with the first threaded hole; The third adjustment assembly includes at least one first adjustment rod (183), a second adjustment rod (185) and a positioning block (184), wherein the first adjustment rod is inserted into the first connecting hole (181), one end of the first adjustment rod (183) is threadedly connected to the first threaded hole, and the other end extends to the outside of the third mounting component (160) and is connected to the positioning block (184), so as to limit the distance between the second mounting component (150) and the first mounting component (130) through the positioning block (184); the second adjustment rod (185) is threadedly connected to the second threaded hole (182), and the second adjustment rod (185) abuts against the second mounting component (150).

8. The heat sealing mechanism according to claim 6, characterized in that: The first hot pressing component (100) further includes a second adjusting assembly (170), and the first head (110) is connected to the second mounting component (150) via the second adjusting assembly (170), so that the inclination angle of the first head (110) relative to the second mounting component (150) can be adjusted via the second adjusting assembly (170) so that the first head (110) is parallel to the heat-sealing end of the second hot pressing component (200).

9. The heat sealing mechanism according to claim 4, characterized in that: The second hot pressing component (200) includes a fourth mounting component (240), a fourth adjusting component (250) and a second head (220); the fourth mounting component (240) is connected to the lifting component; the second head (220) is connected to the fourth mounting component (240) through the fourth adjusting component (250) so as to adjust the inclination angle of the second head (220) relative to the fourth mounting component (240) through the fourth adjusting component (250); and the preheating component (210) is located on the side of the second head (220) away from the fourth mounting component (240).

10. The heat sealing mechanism according to claim 9, characterized in that: At least one limit block (114) is provided on either the first head (110) or the second head (220), and the limit block (114) is configured so that when the first head (110) and the second head (220) are pressed onto both sides of the part to be heat-sealed (10), a preset gap (800) is provided between the first head (110) and the second head (220).

11. The heat sealing mechanism according to claim 9, characterized in that: The first sealing head (110) and the second sealing head (220) are both provided with a limiting groove (222) for limiting the position of the part to be heat-sealed (10).

12. The heat sealing mechanism according to any one of claims 1 to 11, characterized in that: A first detection device (400) for detecting whether the part to be heat-sealed (10) is present between the first hot-pressing component (100) and the second hot-pressing component (200) is provided on at least one of the first hot-pressing component (100) and the second hot-pressing component (200).

13. The heat sealing mechanism according to any one of claims 1 to 11, characterized in that: The lifting assembly comprises a first lifting assembly (310) and a second lifting assembly (320), wherein the first lifting assembly (310) and the second lifting assembly (320) are respectively connected to the first hot pressing component (100) and the second hot pressing component (200) to respectively drive the first hot pressing component (100) and the second hot pressing component (200) to move; The first lifting component (310) is configured to drive the first hot pressing component (100) to move toward the second hot pressing component (200) when the second hot pressing component (200) contacts the part to be heat-sealed (10), or after the second lifting component (320) drives the second hot pressing component (200) to move toward the first hot pressing component (100) for a preset time.

14. A heat sealing system, characterized in that: The heat sealing device comprises a heat sealing station and at least one heat sealing mechanism according to any one of claims 1 to 13, wherein the heat sealing mechanism is arranged on the heat sealing station.

15. The heat sealing system according to claim 14, characterized in that The invention also includes a pre-processing station and a correction device, wherein the workpiece (10) to be heat-sealed passes through the pre-processing station and enters the heat-sealing station, and a second detection device is provided on the pre-processing station, and the second detection device is used to detect the actual position of the workpiece (10) to be heat-sealed on the pre-processing station, and the correction device is configured to adjust the position of the heat-sealing mechanism according to the deviation between the actual position and the preset position, so that the heat-sealing mechanism is adapted to the position of the workpiece (10) to be heat-sealed on the heat-sealing station.

16. The heat sealing system according to claim 15, characterized in that The correction device includes a correction electric cylinder (500), which is connected to the heat sealing mechanism to drive the heat sealing mechanism to move. The movement trajectory of the heat sealing mechanism is consistent with the movement trajectory of the part to be heat-sealed (10) between the pre-processing station and the heat sealing station.

Images