Variable distance glue coating device for battery lower box

Abstract

The utility model provides a variable distance gluing device of battery lower box, include: mounting frame body, transmission mechanism, first gluing mechanism and second gluing mechanism, transmission mechanism is installed on mounting frame body, first gluing mechanism is close to transmission mechanism one end distribution, second gluing mechanism is installed on transmission mechanism, transmission mechanism can drive second gluing mechanism along horizontal direction removal, first gluing mechanism and second gluing mechanism are all used to glue battery lower box, can pass through first gluing mechanism and second gluing mechanism and glue battery lower box, no longer need to adopt manual gluing mode, has greatly improved the gluing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of new energy vehicle battery box technology, and in particular to a variable pitch adhesive coating device for the lower battery box. Background Technology

[0002] The batteries in new energy vehicles are susceptible to damage due to their stored electrical energy. They are typically protected by a lower battery casing to prevent damage and ensure a proper operating environment. During the manufacturing process of the lower battery casing, an adhesive application process is required. However, current production lines still rely on manual application using a single adhesive applicator, which is inefficient. Furthermore, manual application necessitates changing the mixing tube, which is often difficult to determine during operation, making it hard to ascertain whether the tube has been replaced or properly tightened, thus affecting the adhesive application result.

[0003] Therefore, it is necessary to provide a variable pitch adhesive coating device for the lower battery housing to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a variable-pitch adhesive coating device for the lower battery casing, which can apply adhesive to the lower battery casing through a first adhesive coating mechanism and a second adhesive coating mechanism, eliminating the need for manual adhesive application and greatly improving adhesive coating efficiency.

[0005] To achieve the above objectives, the technical solution proposed by this utility model is as follows: a variable-pitch adhesive coating device for a battery lower casing, comprising: a mounting frame, a transmission mechanism, a first adhesive coating mechanism, and a second adhesive coating mechanism; the transmission mechanism is mounted on the mounting frame, the first adhesive coating mechanism is distributed at one end near the transmission mechanism, the second adhesive coating mechanism is mounted on the transmission mechanism, the transmission mechanism can drive the second adhesive coating mechanism to move in the horizontal direction, and both the first adhesive coating mechanism and the second adhesive coating mechanism are used to apply adhesive to the battery lower casing.

[0006] Preferably, the first adhesive applicator includes a first three-way connector, a first mixing tube, and a first applicator head. The first and second connectors of the first three-way connector are respectively connected to the adhesive supply tube, the third connector of the first three-way connector is connected to the first mixing tube, and the first applicator head is mounted on the first mixing tube.

[0007] Preferably, the second adhesive applicator includes a second three-way connector, a second mixing tube, and a second applicator head. The first and second connectors of the second three-way connector are respectively connected to the adhesive supply tube, the third connector of the second three-way connector is connected to the second mixing tube, and the second applicator head is mounted on the second mixing tube.

[0008] Preferably, the variable pitch adhesive applicator for the lower battery housing further includes a first error prevention mechanism, which includes a first positioning plate, a first proximity switch, and a first detection fixture plate. The first positioning plate is passed through the first mixing tube, the first proximity switch is mounted on the first positioning plate, the first detection fixture plate is provided with a first detection head, the first detection fixture plate is mounted on the first positioning plate, and the first detection head is close to the first proximity switch. The first detection fixture plate is also bent downward to form a first bend, and a first stepped groove is provided on the first bend.

[0009] Preferably, the variable pitch adhesive applicator for the lower battery housing further includes a second foolproof mechanism, which includes a second positioning plate, a second proximity switch, and a second detection fixture plate. The second positioning plate is passed through the second mixing tube, the second proximity switch is mounted on the second positioning plate, the second detection fixture plate is provided with a second detection head, the second detection fixture plate is mounted on the second positioning plate, and the second detection head is close to the second proximity switch. The second detection fixture plate is also bent downward to form a second bend, and a second stepped groove is provided on the second bend.

[0010] Preferably, the variable pitch adhesive applicator for the lower battery housing further includes a first adhesive receiving mechanism, which includes a first mounting side plate, a first lifting pneumatic component, a first telescopic pneumatic component, and a first receiving groove. The first mounting side plate is installed on the mounting frame, the first positioning plate and the first lifting pneumatic component are installed on the first mounting side plate, the first telescopic pneumatic component is connected to the telescopic rod of the first lifting pneumatic component, and the first receiving groove is connected to the telescopic rod of the first telescopic pneumatic component.

[0011] Preferably, the variable pitch adhesive applicator for the lower battery housing further includes a second adhesive receiving mechanism, which includes a second mounting side plate, a second lifting pneumatic component, a second telescopic pneumatic component, and a second receiving groove. The second mounting side plate is mounted on the transmission mechanism, the second positioning plate and the second lifting pneumatic component are mounted on the second mounting side plate, the second telescopic pneumatic component is connected to the telescopic rod of the second lifting pneumatic component, and the second receiving groove is connected to the telescopic rod of the second telescopic pneumatic component.

[0012] Preferably, a disposable plastic box is placed in the first receiving slot; a disposable plastic box is placed in the second receiving slot.

[0013] Preferably, a first mounting base is provided on the first mounting side plate, and the first three-prong connector is mounted on the first mounting base; a second mounting base is provided on the second mounting side plate, and the second three-prong connector is mounted on the second mounting base.

[0014] Preferably, the variable-pitch adhesive applicator for the lower battery housing further includes a vision camera, which is mounted on the mounting frame and located below the transmission mechanism.

[0015] Compared with existing technologies, the advantages are that the transmission mechanism drives the second glue-applying mechanism to move horizontally and adjust the distance between the second glue-applying mechanism and the first glue-applying mechanism. Since the distance between the first glue-applying mechanism and the second glue-applying mechanism is adjustable, it can meet the glue-applying requirements of battery lower boxes of different specifications and has strong versatility. It eliminates the need for manual glue application and greatly improves glue-applying efficiency by using the first glue-applying mechanism and the second glue-applying mechanism.

[0016] Other features and advantages of this invention will be set forth in the following description, and in part will be apparent from the description, or may be learned by practice of the invention. The features and advantages of this invention may be realized and obtained by means of the elements and combinations specifically pointed out in the appended claims. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. Figure 1 This is a schematic diagram illustrating the use of the variable-pitch adhesive coating device for the lower battery housing provided by this utility model.

[0018] Figure 2 for Figure 1 The diagram shows a partial structural schematic of the variable-pitch adhesive coating device for the lower battery housing.

[0019] Figure 3 for Figure 1 The diagram shows a partial structural schematic of the variable-pitch adhesive coating device for the lower battery housing.

[0020] Reference numerals: 1. Mounting frame; 2. Transmission mechanism; 3. First glue application mechanism; 31. First three-way connector; 32. First mixing tube; 33. First glue application head; 4. Second glue application mechanism; 41. Second three-way connector; 42. Second mixing tube; 43. Second glue application head; 5. First foolproof mechanism; 51. First positioning plate; 52. First proximity switch; 53. First detection fixture plate; 54. First elbow; 55. First stepped groove; 56. First detection head; 6. Second foolproof mechanism; 61. Second positioning plate. 62. Second proximity switch; 63. Second detection fixture plate; 64. Second elbow; 65. Second stepped groove; 66. Second detection head; 7. First adhesive receiving mechanism; 71. First mounting side plate; 72. First lifting pneumatic component; 73. First telescopic pneumatic component; 74. First receiving groove; 75. First mounting base; 8. Second adhesive receiving mechanism; 81. Second mounting side plate; 82. Second lifting pneumatic component; 83. Second telescopic pneumatic component; 84. Second receiving groove; 85. Second mounting base; 9. Vision camera. Detailed Implementation

[0021] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are merely for explaining the present utility model and are not intended to limit the present utility model.

[0022] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0024] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. Additionally, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0025] Please see Figures 1 to 3 This utility model provides a variable-pitch adhesive coating device for the lower battery casing, including: a mounting frame 1, a transmission mechanism 2, a first adhesive coating mechanism 3, and a second adhesive coating mechanism 4; the transmission mechanism 2 is mounted on the mounting frame 1, the first adhesive coating mechanism 3 is distributed at one end near the transmission mechanism 2, and the second adhesive coating mechanism 4 is mounted on the transmission mechanism 2. The transmission mechanism 2 can drive the second adhesive coating mechanism 4 to move in the horizontal direction. Both the first adhesive coating mechanism 3 and the second adhesive coating mechanism 4 are used to apply adhesive to the lower battery casing.

[0026] Thus, the lower battery casing can be coated with adhesive using the first adhesive coating mechanism 3 and the second adhesive coating mechanism 4, eliminating the need for manual adhesive application and greatly improving coating efficiency. It should be noted that in this embodiment, the transmission mechanism 2 is a linear motor.

[0027] In a preferred embodiment, the first adhesive application mechanism 3 includes a first three-prong connector 31, a first mixing tube 32, and a first application head 33. The first and second connectors of the first three-prong connector 31 are respectively connected to a glue supply tube, and the third connector of the first three-prong connector 31 is connected to the first mixing tube 32. The first application head 33 is mounted on the first mixing tube 32. The glue supply tube delivers adhesive to the first and second connectors of the first three-prong connector 31. The adhesive from the first connector and the adhesive from the second connector are mixed in the first mixing tube 32 and then flow to the first application head 33, whereby the first application head 33 can apply adhesive to the lower battery casing.

[0028] It should be noted that the first three-prong connector 31, the first mixing tube 32, and the first applicator head 33 are detachably installed, which facilitates disassembly and assembly and is beneficial for future maintenance and replacement. For example, the third connector of the first three-prong connector 31 is provided with an internal thread, one end of the first mixing tube 32 is provided with an external thread, and the external thread of one end of the first mixing tube 32 is threadedly connected to the internal thread of the third connector. The other end of the first mixing tube 32 is provided with an external thread, and the first applicator head 33 is provided with an internal thread, and the other end of the first mixing tube 32 is threadedly connected to the first applicator head 33.

[0029] In a preferred embodiment, the second adhesive application mechanism 4 includes a second three-prong connector 41, a second mixing tube 42, and a second application head 43. The first and second connectors of the second three-prong connector 41 are respectively connected to the adhesive supply tube, and the third connector of the second three-prong connector 41 is connected to the second mixing tube 42. The second application head 43 is mounted on the second mixing tube 42. The adhesive supply tube delivers adhesive to the first and second connectors of the second three-prong connector 41. The adhesive from the first connector and the adhesive from the second connector are mixed in the second mixing tube 42 and then flow to the second application head 43, whereby the second application head 43 can apply adhesive to the lower battery casing.

[0030] It should be noted that the second three-prong connector 41, the second mixing tube 42, and the second applicator head 43 are detachably installed, facilitating disassembly and assembly and aiding in future maintenance and replacement. For example, the third connector of the second three-prong connector 41 has an internal thread, one end of the second mixing tube 42 has an external thread, and the external thread of one end of the second mixing tube 42 is threadedly connected to the internal thread of the third connector. The other end of the second mixing tube 42 has an external thread, and the second applicator head 43 has an internal thread, with the other end of the second mixing tube 42 threadedly connected to the second applicator head 43.

[0031] In a preferred embodiment, the variable pitch adhesive applicator for the lower battery housing further includes a first error prevention mechanism 5, which includes a first positioning plate 51, a first proximity switch 52, and a first detection fixture plate 53. The first positioning plate 51 is passed through the first mixing tube 32. The first proximity switch 52 is mounted on the first positioning plate 51. A first detection head 56 is provided on the first detection fixture plate 53. The first detection fixture plate 53 is mounted on the first positioning plate 51, and the first detection head 56 is disposed close to the first proximity switch 52. The first detection fixture plate 53 is also bent downward to form a first elbow 54, and a first stepped groove 55 is provided on the first elbow 54. It should be noted that in this embodiment, the first proximity switch 52 is a proximity sensor.

[0032] The first mistake-proof mechanism 5 is used to prevent incorrect assembly of the first mixing tube 32 on the first three-way connector 31. For example, if the assembly position of the first mixing tube 32 is incorrect, the height of the first glue applicator 33 on the first mixing tube 32 may be too high or too low, affecting the glue application effect. Therefore, it is very necessary to set up the first mistake-proof mechanism 5 to facilitate the prevention and judgment of incorrect assembly of the first mixing tube 32.

[0033] When the first mixing tube 32 is assembled, the first applicator head 33 on the first mixing tube 32 is engaged in the first stepped groove 55. At this time, the first detection head 56 will be flush with the first proximity switch 52. If the first proximity switch 52 detects the position of the first detection head 56, it indicates that the first mixing tube 32 is assembled correctly. Conversely, if the first applicator head 33 on the first mixing tube 32 is not engaged in the first stepped groove 55 when the first mixing tube 32 is assembled, the first detection head 56 will not be flush with the first proximity switch 52, and the first proximity switch 52 will not detect the position of the first detection head 56, indicating that the first mixing tube 32 is assembled incorrectly.

[0034] In a preferred embodiment, the variable pitch adhesive coating device for the lower battery housing further includes a second foolproof mechanism 6, which includes a second positioning plate 61, a second proximity switch 62, and a second detection fixture plate 63. The second positioning plate 61 is passed through the second mixing tube 42. The second proximity switch 62 is mounted on the second positioning plate 61. A second detection head 66 is provided on the second detection fixture plate 63. The second detection fixture plate 63 is mounted on the second positioning plate 61, and the second detection head 66 is positioned close to the second proximity switch 62. The second detection fixture plate 63 is also bent downward to form a second elbow 64, and a second stepped groove 65 is provided on the second elbow 64. It should be noted that in this embodiment, the second proximity switch 62 is a proximity sensor.

[0035] The second mistake-proof mechanism 6 is used to prevent incorrect assembly of the second mixing tube 42 on the second three-way connector 41. For example, if the assembly position of the second mixing tube 42 is incorrect, the height of the first glue applicator 33 on the second mixing tube 42 may be too high or too low, affecting the glue application effect. Therefore, it is very necessary to set up the second mistake-proof mechanism 6 to facilitate the prevention and judgment of incorrect assembly of the second mixing tube 42.

[0036] When the second mixing tube 42 is assembled, the second applicator head 43 on the second mixing tube 42 is engaged in the second stepped groove 65. At this time, the second detection head 66 will be flush with the second proximity switch 62. If the second proximity switch 62 detects the position of the second detection head 66, it indicates that the second mixing tube 42 is assembled correctly. Conversely, if the second applicator head 43 on the second mixing tube 42 is not engaged in the second stepped groove 65 when the second mixing tube 42 is assembled, the second detection head 66 will not be flush with the second proximity switch 62, and the second proximity switch 62 will not detect the position of the second detection head 66, indicating that the second mixing tube 42 is assembled incorrectly.

[0037] In a preferred embodiment, the variable pitch adhesive application device for the lower battery housing further includes a first adhesive receiving mechanism 7, which includes a first mounting side plate 71, a first lifting pneumatic component 72, a first telescopic pneumatic component 73, and a first receiving groove 74. The first mounting side plate 71 is mounted on the mounting frame 1. The first positioning plate 51 and the first lifting pneumatic component 72 are mounted on the first mounting side plate 71. The first telescopic pneumatic component 73 is connected to the telescopic rod of the first lifting pneumatic component 72. The first receiving slot 74 is connected to the telescopic rod of the first telescopic pneumatic component 73. The first lifting pneumatic component 72 drives the first telescopic pneumatic component 73 and the first receiving slot 74 to move up and down. The first telescopic pneumatic component 73 drives the first receiving slot 74 to move horizontally below the first adhesive applicator 33.

[0038] Specifically, when the telescopic rod of the first lifting pneumatic component 72 extends, it causes the first telescopic pneumatic component 73 and the first receiving groove 74 to descend; when the telescopic rod of the first lifting pneumatic component 72 retracts, it causes the first telescopic pneumatic component 73 and the first receiving groove 74 to rise. When the telescopic rod of the first telescopic pneumatic component 73 extends, it causes the first receiving groove 74 to move horizontally to directly below the first glue applicator head 33; when the telescopic rod of the first telescopic pneumatic component 73 retracts, it causes the first receiving groove 74 to move back to its original position.

[0039] In a preferred embodiment, a disposable plastic box is placed inside the first receiving slot 74. After the first applicator head 33 has applied adhesive to the battery cover housing, and while waiting for the next battery cover housing to arrive, the telescopic rod of the first telescopic pneumatic component 73 extends, moving the first receiving slot 74 directly below the first applicator head 33. At this time, the disposable plastic box inside the first receiving slot 74 can catch any residual adhesive that automatically drips from the first applicator head 33, preventing adhesive from dripping onto the ground and contaminating the factory. When the disposable plastic box is full, a new disposable plastic box can be easily replaced.

[0040] In a preferred embodiment, a first mounting base 75 is provided on the first mounting side plate 71, and the first three-prong connector 31 is mounted on the first mounting base 75. Thus, by providing the first mounting base 75 on the first mounting side plate 71, the installation of the first three-prong connector 31 can be facilitated, increasing the installation stability of the first three-prong connector 31.

[0041] In a preferred embodiment, the variable pitch adhesive applicator for the lower battery housing further includes a second adhesive receiving mechanism 8, which includes a second mounting side plate 81, a second lifting pneumatic component 82, a second telescopic pneumatic component 83, and a second receiving groove 84. The second mounting side plate 81 is mounted on the transmission mechanism 2. The second positioning plate 61 and the second lifting pneumatic component 82 are mounted on the second mounting side plate 81. The second telescopic pneumatic component 83 is connected to the telescopic rod of the second lifting pneumatic component 82, and the second receiving slot 84 is connected to the telescopic rod of the second telescopic pneumatic component 83. The second lifting pneumatic component 82 drives the second telescopic pneumatic component 83 and the second receiving slot 84 to move up and down. The second telescopic pneumatic component 83 drives the second receiving slot 84 to move horizontally below the second glue applicator head 43.

[0042] Specifically, when the telescopic rod of the second lifting pneumatic component 82 extends, it drives the second telescopic pneumatic component 83 and the second receiving groove 84 to descend; when the telescopic rod of the second lifting pneumatic component 82 retracts, it drives the second telescopic pneumatic component 83 and the second receiving groove 84 to rise. When the telescopic rod of the second telescopic pneumatic component 83 extends, it drives the second receiving groove 84 to move horizontally to directly below the second glue applicator head 43; when the telescopic rod of the second telescopic pneumatic component 83 retracts, it drives the second receiving groove 84 to move back to its original position. It should be noted that in this embodiment, the first lifting pneumatic component 72, the first telescopic pneumatic component 73, the second lifting pneumatic component 82, and the second telescopic pneumatic component 83 are all cylinders.

[0043] In a preferred embodiment, a disposable plastic box is placed inside the second receiving slot 84. After the second applicator head 43 has applied adhesive to the battery cover housing, and while waiting for the next battery cover housing to be delivered, the telescopic rod of the second telescopic pneumatic component 83 extends, causing the second receiving slot 84 to move directly below the second applicator head 43. At this time, the disposable plastic box inside the second receiving slot 84 can catch any residual adhesive that automatically drips from the second applicator head 43, preventing adhesive from dripping onto the ground and contaminating the factory. When the disposable plastic box is full, a new disposable plastic box can be easily replaced.

[0044] In a preferred embodiment, a second mounting base 85 is provided on the second mounting side plate 81, and the second three-prong connector 41 is mounted on the second mounting base 85. Thus, by providing the second mounting base 85 on the second mounting side plate 81, the installation of the second three-prong connector 41 can be facilitated, increasing the installation stability of the second three-prong connector 41.

[0045] In a preferred embodiment, the variable-pitch adhesive applicator for the lower battery housing further includes a vision camera 9. The vision camera 9 is mounted on the mounting frame 1 and located below the transmission mechanism 2. The vision camera 9 is used to capture and confirm the precise position of the lower battery housing and upload the data to the control terminal (e.g., industrial computer, control panel, etc.). This allows the control terminal to issue commands to the transmission mechanism 2. The transmission mechanism 2 drives the second adhesive applicator 4 to move horizontally to adjust the distance between the second adhesive applicator 4 and the first adhesive applicator 3, thereby enabling the first adhesive applicator 3 and the second adhesive applicator 4 to complete the adhesive application work from the head to the tail of the lower battery housing.

[0046] Since the distance between the first glue-applying mechanism 3 and the second glue-applying mechanism 4 is adjustable, it can meet the glue-applying requirements of battery lower boxes of different specifications, and has strong versatility.

[0047] In use, the battery cover is conveyed to the area below the first glue application mechanism 3 and the second glue application mechanism 4. After the glue is mixed in the first mixing pipe 32, it flows to the first glue application head 33. At this time, the first glue application head 33 can apply glue to the battery cover. The transmission mechanism 2 can drive the second glue application mechanism 4 to move laterally to adjust the position of the second glue application mechanism 4. After the glue is mixed in the second mixing pipe 42, it flows to the second glue application head 43. At this time, the second glue application head 43 can apply glue to the battery cover. The manual glue application method is no longer required. The glue application method using the first glue application mechanism 3 and the second glue application mechanism 4 greatly improves the glue application efficiency.

[0048] This invention is not limited to the description in the specification and embodiments. Therefore, other advantages and modifications can be readily realized by those skilled in the art. Thus, without departing from the spirit and scope of the general concept as defined by the claims and their equivalents, this invention is not limited to the specific details, representative devices and illustrated examples shown and described herein.

Claims

1. A variable-pitch adhesive coating device for the lower casing of a battery, characterized in that, include: The mounting frame (1), transmission mechanism (2), first adhesive application mechanism (3), and second adhesive application mechanism (4) are mounted on the mounting frame (1). The first adhesive application mechanism (3) is located at one end of the transmission mechanism (2). The second adhesive application mechanism (4) is mounted on the transmission mechanism (2). The transmission mechanism (2) can drive the second adhesive application mechanism (4) to move in the horizontal direction. Both the first adhesive application mechanism (3) and the second adhesive application mechanism (4) are used to apply adhesive to the lower battery casing.

2. The variable-pitch adhesive coating device for the lower battery housing as described in claim 1, characterized in that, The first glue application mechanism (3) includes a first three-prong connector (31), a first mixing tube (32) and a first glue application head (33). The first connector and the second connector of the first three-prong connector (31) are respectively connected to the glue supply tube, the third connector of the first three-prong connector (31) is connected to the first mixing tube (32), and the first glue application head (33) is installed on the first mixing tube (32).

3. The variable-pitch adhesive coating device for the lower battery housing as described in claim 2, characterized in that, The second glue application mechanism (4) includes a second three-head connector (41), a second glue mixing tube (42), and a second glue application head (43). The first and second connectors of the second three-head connector (41) are respectively connected to the glue supply tube, the third connector of the second three-head connector (41) is connected to the second glue mixing tube (42), and the second glue application head (43) is installed on the second glue mixing tube (42).

4. The variable-pitch adhesive coating device for the lower battery housing as described in claim 3, characterized in that, The variable pitch adhesive applicator for the lower battery housing also includes a first error prevention mechanism (5), which includes a first positioning plate (51), a first proximity switch (52), and a first detection fixture plate (53). The first positioning plate (51) is passed through the first mixing tube (32), the first proximity switch (52) is mounted on the first positioning plate (51), the first detection tooling plate (53) is provided with a first detection head (56), the first detection tooling plate (53) is mounted on the first positioning plate (51), and the first detection head (56) is close to the first proximity switch (52). The first detection tooling plate (53) is also bent downward to form a first elbow (54), and the first elbow (54) is provided with a first stepped groove (55).

5. The variable-pitch adhesive coating device for the lower battery housing as described in claim 4, characterized in that, The variable pitch adhesive applicator for the lower battery housing also includes a second foolproof mechanism (6), which includes a second positioning plate (61), a second proximity switch (62), and a second detection fixture plate (63). The second positioning plate (61) is passed through the second mixing tube (42), the second proximity switch (62) is mounted on the second positioning plate (61), the second detection tooling plate (63) is provided with a second detection head (66), the second detection tooling plate (63) is mounted on the second positioning plate (61), and the second detection head (66) is close to the second proximity switch (62). The second detection tooling plate (63) is also bent downward to form a second elbow (64), and the second elbow (64) is provided with a second stepped groove (65).

6. The variable-pitch adhesive coating device for the lower battery housing as described in claim 5, characterized in that, The variable pitch adhesive applicator for the lower battery housing also includes a first adhesive receiving mechanism (7), which includes a first mounting side plate (71), a first lifting pneumatic component (72), a first telescopic pneumatic component (73), and a first receiving groove (74). The first mounting side plate (71) is mounted on the mounting frame (1), the first positioning plate (51) and the first lifting pneumatic component (72) are mounted on the first mounting side plate (71), the first telescopic pneumatic component (73) is connected to the telescopic rod of the first lifting pneumatic component (72), and the first receiving groove (74) is connected to the telescopic rod of the first telescopic pneumatic component (73).

7. The variable-pitch adhesive coating device for the lower battery housing as described in claim 6, characterized in that, The variable pitch adhesive applicator for the lower battery housing also includes a second adhesive receiving mechanism (8), which includes a second mounting side plate (81), a second lifting pneumatic component (82), a second telescopic pneumatic component (83), and a second receiving slot (84). The second mounting side plate (81) is mounted on the transmission mechanism (2), the second positioning plate (61) and the second lifting pneumatic component (82) are mounted on the second mounting side plate (81), the second telescopic pneumatic component (83) is connected to the telescopic rod of the second lifting pneumatic component (82), and the second receiving groove (84) is connected to the telescopic rod of the second telescopic pneumatic component (83).

8. The variable-pitch adhesive coating device for the lower battery housing as described in claim 7, characterized in that, The first receiving slot (74) contains a disposable plastic box; the second receiving slot (84) contains a disposable plastic box.

9. The variable-pitch adhesive coating device for the lower battery housing as described in claim 7, characterized in that, The first mounting side plate (71) is provided with a first mounting base (75), and the first three-pronged connector (31) is mounted on the first mounting base (75); the second mounting side plate (81) is provided with a second mounting base (85), and the second three-pronged connector (41) is mounted on the second mounting base (85).

10. The variable-pitch adhesive coating device for the lower battery housing as described in claim 1, characterized in that, The variable pitch adhesive device for the lower battery housing also includes a vision camera (9), which is mounted on the mounting frame (1) and located below the transmission mechanism (2).

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