A BCM electrical box cover labeling device

Abstract

The application provides a BCM electric appliance box cover labeling device and relates to the technical field of labeling machines.The device comprises a guide rail, a contact piece arranged on a side support and in sliding cooperation with a fixing plate, and a needle rod.The needle rod can be automatically inserted into the air hole for dredging when the fixing plate moves downward relative to the contact piece during the labeling process of the contact piece adsorbing the label, thereby ensuring the stability of the negative pressure adsorption, ensuring that the label can be reliably adsorbed, and simultaneously saving the process of manual cleaning of the air hole, reducing the labor operation and maintenance cost, avoiding interruption of production due to cleaning work, significantly improving the batch production efficiency, and solving the problem that the adsorption air hole of the negative pressure structure of the labeling machine is easily adsorbed with dust, label paper scraps and other sundries in the environment, resulting in air hole blockage and poor air suction, which causes the negative pressure adsorption structure to be unable to form stable and effective adsorption force on the label, and thus unable to smoothly complete the label peeling work, and therefore manual cleaning of the adsorption air hole is required frequently, which not only increases the labor operation and maintenance cost.

Description

Technical Field

[0001] This invention relates to the field of labeling machine technology, and in particular to a labeling device for BCM electrical box lids. Background Technology

[0002] The Body Control Module (BCM) is one of the core components of an automotive electronic system. Its core function is to coordinate and manage the operating status of various electrical devices in the vehicle body, which is a crucial foundation for ensuring the stable and reliable operation of the automotive electronic system. The BCM's packaging carrier is a dedicated electrical box. The manufacturing quality of this electrical box directly determines the operational stability and reliability of the automotive electronic system. Therefore, in the mass production process of the BCM electrical box, the processing precision and reliability of each process must be strictly controlled. Among them, labeling the electrical box cover is an essential and critical step in the mass production of the BCM electrical box. The label must clearly indicate the product model, production batch, quality inspection certificate, product traceability code, and other core identification information. This is not only used for process control and quality traceability in the production process, but also provides accurate product identification information support for subsequent warehousing management, logistics, and after-sales maintenance, ensuring the standardization and efficiency of management at each stage.

[0003] However, there are some shortcomings in the current design of labeling machines:

[0004] Firstly, existing labeling machines generally use a negative pressure adsorption structure to peel the label off the label paper. However, in actual production environments, the adsorption pores of the negative pressure structure are prone to sucking in dust, label paper scraps, and other debris from the environment, leading to pore blockage and poor air intake. This causes the negative pressure adsorption structure to be unable to form a stable and effective adsorption force on the label, thus making it impossible to complete the label peeling operation smoothly. Therefore, it is necessary to manually clean the adsorption pores frequently, which not only increases the manual maintenance cost but also seriously affects production efficiency.

[0005] Secondly, after the existing labeling machine completes the labeling, the adhesion between the label and the appliance box cover is insufficient. Upon inspection, the reason is that the adhesive strength is not fully guaranteed during the labeling process, resulting in poor adhesion between the label and the surface of the appliance box cover. This defect poses a risk of the label falling off or curling up during subsequent warehousing, stacking, logistics transportation, and vehicle assembly and use. Summary of the Invention

[0006] To address the above problems, one objective of this invention is to overcome these shortcomings, and more specifically, to provide a BCM appliance box cover labeling device that can prevent the pores of the negative pressure adsorption device from being blocked, ensuring the effective peeling and adsorption of the label, and guaranteeing the tightness of the label on the appliance box cover.

[0007] In a first aspect, the present invention provides a labeling device for a BCM electrical box cover, specifically comprising: a guide rail; a lead screw controlled by a motor is rotatably mounted inside the guide rail, and an assembly groove is provided at the lower rear end of the guide rail; support frames are symmetrically arranged at both ends of the rear side of the guide rail, mounting blocks are provided on both sides of the bottom of the support frames, the mounting blocks are inserted and fixed to the assembly groove, insert rods are provided on both sides of the upper end of the support frames, an installation platform is provided at the upper rear end of the guide rail, a mating groove in the installation platform is inserted and fixed to the insert rods, and a side bracket is provided on the front side of the installation platform. The inserts at the inner ends of both sides of the side bracket are engaged with the connecting slots at both ends of the front side of the mounting platform. A fixed platform is provided between the guide rail and the mounting platform. The two ends of the fixed platform are fixed to the uprights inside the mounting platform. A heating rod is fixedly installed at the upper rear side of the fixed platform. A guide roller B is rotatably installed on the heating rod. Heat conduction holes and friction blocks are equidistantly arranged on the outer wall of the guide roller B. A guide plate is provided at the front side of the fixed platform. Toothed rods are fixedly installed on both sides of the rear side of the guide plate. The toothed rods are slidably engaged with the fixed platform, and the toothed rods are connected to the gears on the drive rod inside the fixed platform.

[0008] Preferably, a slide block is slidably disposed on the upper end surface of the guide rail, the slide block is threadedly connected to the lead screw in the guide rail, a movable block is slidably disposed on the upper end of the slide block through a spring, the movable block can extend from the top of the slide block, and side grooves are provided on both sides of the slide block.

[0009] Preferably, a support platform is provided at the upper end of the slide, and a limiting groove is provided at the center of the support platform. The limiting groove is inserted and engaged with the movable block. Telescopic blocks are provided on all four end faces of the support platform, and side plates are fixedly installed on both sides of the support platform. The side plates are slidably engaged with the side grooves.

[0010] Preferably, the front and rear sides of the installation platform are provided with through-type mating grooves, and two sets of uprights are vertically inserted inside the installation platform.

[0011] Preferably, the upper ends of the two sets of uprights are provided with feeding rollers, and the two sides of the feeding rollers are respectively rotatably engaged with the two sets of uprights. The rotation of the feeding rollers is controlled by a motor. Limiting holes are provided inside the two sets of uprights. A baffle is horizontally inserted in the installation platform, and the baffle passes through the limiting holes on the two sets of uprights.

[0012] Preferably, an electric cylinder is provided at the front end of the side support, and a fixed plate is fixedly installed on the moving arm at the lower end of the electric cylinder. Needle rods are provided at equal intervals at the bottom of the fixed plate.

[0013] Preferably, a contact element is fitted on the outer end of the fixing plate. The contact element can slide up and down on the outer end of the fixing plate. The contact element has air holes at equal intervals corresponding to the position of the needle bar. The contact element is hollow. The front side of the contact element can be connected to a vacuum pump through an interface.

[0014] Preferably, a guide roller A is rotatably mounted on the upper front side of the fixed platform, and a drive rod controlled by a motor is rotatably mounted inside the lower part of the fixed platform, with two sets of gears fixedly mounted on the drive rod.

[0015] Preferably, the front side of the guide plate is adjacent to the contact element, and the rear ends of the two sets of toothed rods are fixed to the rear bracket.

[0016] Preferably, a guide roller C is rotatably mounted inside the lower end of the guide plate, and a winding roller controlled by a motor is rotatably mounted inside the rear bracket.

[0017] 1. In this invention, by setting a contact element on the side bracket that slides and cooperates with the fixed plate, when the fixed plate moves down relative to the contact element during the label adsorption and bonding process, the needle bar can be automatically inserted into the air hole to clear the blockage, thereby ensuring the stability of negative pressure adsorption, ensuring that the label can be reliably adsorbed until the bonding is completed, and eliminating the need for manual cleaning of the air hole, reducing manual maintenance costs, avoiding production interruption due to cleaning operations, and significantly improving the efficiency of mass production.

[0018] 2. In this invention, by setting a heating rod on a fixed platform and cooperating with a guide roller with heat-conducting holes, the heat generated by the heating rod during the label paper feeding process can be transferred to the label surface through the heat-conducting holes to achieve a preheating treatment of the label. This can effectively improve the adhesion of the label, making the label adhere more tightly to the surface of the appliance box cover, preventing the label from falling off or curling due to insufficient adhesion, ensuring that key information such as product model and traceability code on the label can remain intact for a long time, and also avoiding problems related to product circulation and use caused by label loss. Attached Figure Description

[0019] The following accompanying drawings will provide a better understanding of the invention by those skilled in the art, and will more clearly demonstrate the advantages of the invention. The drawings described herein are for illustrative purposes only, representing selected embodiments and not all possible implementations, and are not intended to limit the scope of the invention.

[0020] In the attached diagram:

[0021] Figure 1 A three-dimensional structural schematic diagram according to an embodiment of the present invention is shown.

[0022] Figure 2 A rear-view top view of the structure according to an embodiment of the present invention is shown.

[0023] Figure 3 A schematic diagram of the right-side structure according to an embodiment of the present invention is shown.

[0024] Figure 4 A schematic diagram illustrating the decomposition effect according to an embodiment of the present invention is shown.

[0025] Figure 5 A schematic diagram of a partial cross-section of the rear side according to an embodiment of the present invention is shown.

[0026] Figure 6 The invention illustrates an embodiment of the invention by Figure 5 This leads to an enlarged structural diagram of part A.

[0027] Figure 7 A schematic diagram of the front cross-sectional structure of the guide rail according to an embodiment of the present invention is shown.

[0028] Figure 8 A schematic diagram of the cross-sectional structure of the contact element according to an embodiment of the present invention is shown.

[0029] Figure 9 A schematic diagram of the connection structure between the fixed platform and the toothed rod according to an embodiment of the present invention is shown.

[0030] Figure 10 A schematic diagram of the connection structure between the fixed platform and the guide rail B according to an embodiment of the present invention is shown.

[0031] List of reference numerals

[0032] 1. Guide rail; 101. Assembly slot; 102. Slide; 1021. Movable block; 1022. Side slot; 103. Support frame; 1031. Mounting block; 1032. Insert rod; 2. Bearing platform; 201. Limiting slot; 202. Telescopic block; 203. Side plate; 3. Mounting platform; 301. Mating slot; 302. Upright frame; 3021. Feeding roller; 3022. Limiting hole; 303. Connecting slot; 304. Baffle; 4. Side bracket; 40 1. Insert block; 402. Electric cylinder; 403. Fixing plate; 4031. Needle bar; 404. Contact element; 4041. Air hole; 4042. Interface; 5. Fixing platform; 501. Guide roller A; 502. Heating rod; 503. Guide roller B; 5031. Heat conduction hole; 5032. Friction block; 504. Drive rod; 5041. Gear; 6. Guide plate; 601. Tooth bar; 602. Rear support; 603. Guide roller C; 604. Take-up roller. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Example 1: Please refer to Figures 1 to 10 As shown:

[0035] This invention provides a labeling device for BCM electrical box covers, comprising: a guide rail 1; a lead screw controlled by a motor is rotatably mounted inside the guide rail 1, and an assembly groove 101 is provided at the lower rear end of the guide rail 1; support frames 103 are symmetrically arranged at both ends of the rear side of the guide rail 1, mounting blocks 1031 are provided on both sides of the bottom of the support frames 103, the mounting blocks 1031 are inserted and fixed to the assembly groove 101, insert rods 1032 are provided on both sides of the upper end of the support frames 103, an installation platform 3 is provided at the upper rear end of the guide rail 1, a mating groove 301 in the installation platform 3 is inserted and fixed to the insert rods 1032, a side bracket 4 is provided on the front side of the installation platform 3, and insert blocks 4 are located at the inner ends of both sides of the side bracket 4. 01 is inserted into the connecting grooves 303 at both ends of the front side of the mounting platform 3. A fixed platform 5 is provided between the guide rail 1 and the mounting platform 3. The two ends of the fixed platform 5 are fixed to the upright 302 inside the mounting platform 3. A heating rod 502 is fixedly provided at the upper rear side of the fixed platform 5. A guide roller B503 is rotatably provided on the heating rod 502. Heat conduction holes 5031 and friction blocks 5032 are equidistantly provided on the outer wall of the guide roller B503. A guide plate 6 is provided on the front side of the fixed platform 5. A toothed rod 601 is fixedly installed on both sides of the rear side of the guide plate 6. The toothed rod 601 is slidably engaged with the fixed platform 5, and the toothed rod 601 is connected to the gear 5041 on the drive rod 504 inside the fixed platform 5.

[0036] As a second embodiment of the present invention, based on the first embodiment, such as Figure 4 and Figure 7As shown, a slide block 102 is slidably mounted on the upper surface of the guide rail 1. The slide block 102 is threadedly connected to a lead screw inside the guide rail 1. A movable block 1021 is slidably mounted on the upper interior of the slide block 102 via a spring. The movable block 1021 can extend from the top of the slide block 102. Side grooves 1022 are provided on both sides of the slide block 102. A support platform 2 is provided on the upper end of the slide block 102. A limiting groove 201 is provided at the center of the support platform 2. The limiting groove 201 is inserted into the movable block 1021. The four sides of the support platform 2... Each end face is provided with a telescopic block 202, and side plates 203 are fixedly installed on both sides of the support platform 2, with the side plates 203 slidingly engaging with the side grooves 1022; a guide rail 1 is provided, on which a slide block 102 can be installed; an assembly groove 101 is provided, through which the support frame 103 can be installed to both sides of the guide rail 1; a slide block 102 is provided, on which the support platform 2 can be installed; a movable block 1021 is provided, which, by inserting the movable block 1021 into the limiting groove 201, allows the support platform 2 to move on the slide block. The mounting platform 2 is fixed on the slide 102; a side groove 1022 is provided, along which the support platform 2 can be inserted into the slide 102; a support frame 103 is provided, through which the mounting platform 3 can be installed onto the upper end of the guide rail 1; a mounting block 1031 is provided, and by inserting the mounting block 1031 into the assembly groove 101, the support frame 103 can be fixed on the guide rail 1; a plug rod 1032 is provided, and by inserting the plug rod 1032 into the mating groove 301, the mounting platform 3 and the support frame 103 can be connected. The following features are provided: a support platform 2 on which an electrical box cover can be placed; a limiting groove 201 on which the support platform 2 can be fixed on the slide block 102 by means of the insertion of the limiting groove 201 and the movable block 1021; a wedge-shaped telescopic block 202 on which the telescopic block 202 abuts against the electrical box cover fastened on the support platform 2, thereby fixing the electrical box cover on the support platform 2; and a side plate 203 on which the support platform 2 can be inserted into the slide block 102 along the side groove 1022 by means of the insertion of the side plate 203 and the side groove 1022.

[0037] As a third embodiment of the present invention, based on embodiment one, such as Figure 5As shown, the front and rear sides of the installation platform 3 are provided with through-type mating grooves 301, and two sets of uprights 302 are vertically inserted inside the installation platform 3; the upper ends of the two sets of uprights 302 are provided with feeding rollers 3021, and the two sides of the feeding rollers 3021 are respectively rotatably engaged with the two sets of uprights 302. The rotation of the feeding rollers 3021 is controlled by a motor. The interior of the two sets of uprights 302 is provided with limiting holes 3022. A baffle 304 is horizontally inserted in the installation platform 3, and the baffle 304 passes through the limiting holes 3022 on the two sets of uprights 302. The installation platform 3 is provided, and a side bracket 4 can be inserted at the front end of the installation platform 3; the mating groove 301 is provided, and by inserting a rod 1032 into the mating groove 301, the installation platform 3 can be fixed on the support frame 103. A support frame 302 is provided, through which the fixed platform 5 can be installed to the lower end of the mounting platform 3; a feeding roller 3021 is provided, on which labels can be wound up; as the guide plate 6 moves forward, the feeding roller 3021 can be rotated by a motor and the label paper can be fed downward; a limiting hole 3022 is provided, through which a baffle 304 passes through the limiting hole 3022, the support frame 302 inserted on the mounting platform 3 can be locked and fixed; a connecting groove 303 is provided, through which the insert block 401 and the connecting groove 303 can fix the side bracket 4 on the front side of the mounting platform 3; a baffle 304 is provided, through which the baffle 304 passes through the limiting hole 3022, the support frame 302 can be fixed on the mounting platform 3.

[0038] This application rotatably mounts a guide roller B503 with heat-conducting holes 5031 on a heating rod 502 at the upper end of a fixed platform 5, and sets a friction block 5032 at the outer end of the guide roller B503. During the label conveying process, the heating rod 502 is energized and heated, and the guide roller B503 rotates with the label paper. The hot air flow inside the guide roller B503 is dissipated through the heat-conducting holes 5031 and heats the label paper to increase the label's adhesion, which is beneficial for subsequent bonding to the appliance box cover.

[0039] As a fourth embodiment of the present invention, based on embodiment one, such as Figure 8As shown, an electric cylinder 402 is provided at the front end of the side bracket 4. A fixed plate 403 is fixedly installed on the moving arm at the lower end of the electric cylinder 402. Needle bars 4031 are equidistantly arranged at the bottom of the fixed plate 403. A contact member 404 is fitted on the outer end of the fixed plate 403. The contact member 404 can slide up and down on the outer end of the fixed plate 403. Air holes 4041 corresponding to the positions of needle bars 4031 are equidistantly arranged inside the contact member 404. The inside of the contact member 404 is hollow. The front side of the contact member 404 can be connected to a vacuum pump through an interface 4042. The side bracket 4 is provided so that the electric cylinder 402 can be installed on the side bracket 4. An insert block 401 is provided so that the insert block 401 can be connected to the connecting groove 303. The side bracket 4 can be fixed on the mounting platform 3 by interlocking; an electric cylinder 402 is provided to control the lifting and lowering of the fixing plate 403; a needle rod 4031 is provided, which can be inserted into the air hole 4041 to clear the air hole 4041; a contact member 404 is provided, which can be used to adsorb the label; the air hole 4041 is provided, which can adsorb the label to the lower end of the contact member 404; an interface 4042 is provided, through which an external air pump is connected. When the air pump is started, a negative pressure is generated between the fixing plate 403 and the inside of the contact member 404, thereby adsorbing the label to the bottom of the contact member 404.

[0040] This application achieves a sliding fit between the fixing plate 403 and the contact member 404. After the contact member 404 picks up the label, the electric cylinder 402 pushes the fixing plate 403 downward, causing the contact member 404 to adhere the label to the appliance box cover. After the contact member 404 contacts the appliance box cover, it changes from a moving state to a stationary state, while the fixing plate 403 continues to move downward. During this process, the needle rod 4031 can be inserted downward into the air hole 4041 and clear it. After the label is adhered, the electric cylinder 402 will drive the fixing plate 403 to rise, causing the contact member 404 to reset on the fixing plate 403.

[0041] In embodiments of the present invention, such as Figure 9 and 10As shown, a guide roller A501 is rotatably mounted on the upper front side of the fixed platform 5, and a drive rod 504 controlled by a motor is rotatably mounted inside the lower part of the fixed platform 5. Two sets of gears 5041 are fixedly mounted on the drive rod 504; the front side of the guide plate 6 is adjacent to the contact member 404, and the rear ends of the two sets of gears 601 are fixed to the rear bracket 602; a guide roller C603 is rotatably mounted inside the lower part of the guide plate 6, and a winding roller 604 controlled by a motor is rotatably mounted inside the rear bracket 602; the fixed platform 5 is provided so that the guide plate 6 can be installed; Guide roller A501 allows the label paper to be conveyed forward onto the fixing platform 5; a heating rod 502 is provided, which, by energizing the heating rod 502, increases the internal temperature of guide roller B503; guide roller B503 guides the label paper released by the feeding roller 3021, causing it to move onto the fixing platform 5 and be conveyed to guide roller A501; heat conduction holes 5031 are provided, allowing the high temperature inside guide roller B503 to be output outward through the heat conduction holes 5031; friction blocks 5032 are provided, which increase the friction between the label paper and guide roller B503. The friction force of 3 causes the guide roller B503 to rotate during the label paper conveying process; a drive rod 504 is provided, and a gear 5041 is installed on the drive rod 504. By rotating the drive rod 504, the gear 5041 can cause the rack 601 to slide on the fixed table 5; a guide plate 6 is provided. When the label paper is conveyed from the fixed table 5 to the guide plate 6, the label paper will pass under the guide plate 6 and be conveyed to the next stage, while the label will separate from the guide plate 6 and be attracted to the contact member 404; the rack 601 is provided. 1. The rear support 602 can be installed on the rear side of the guide plate 6 via the toothed rod 601, and the guide plate 6 and the rear support 602 can be slidably installed on the fixed platform 5 via the toothed rod 601; the rear support 602 is provided, and the take-up roller 604 can be installed on the rear support 602; the guide roller C603 is provided, which can guide the label paper passing around the lower end of the guide plate 6 and convey it to the position of the rear support 602; the take-up roller 604 is provided, which can be rotated by the motor and the label paper can be wound up while the guide plate 6 moves backward.

[0042] The specific usage and function of this embodiment are as follows:

[0043] In this invention, such as Figures 1 to 10As shown, the support frame 103 is fixed by inserting the mounting blocks 1031 on both sides of the bottom into the assembly groove 101 at the lower rear end of the guide rail 1. At the same time, the mounting platform 3 is fixed by inserting the rods 1032 on both sides of the upper end of the support frame 103 into the internal mating groove 301. The side bracket 4 is inserted into the connecting grooves 303 at both ends of the front side of the mounting platform 3 through the inserts 401 at the inner ends of both sides. The fixed platform 5 is fixed at both ends to the upright frame 302 inside the mounting platform 3. The guide plate 6 is slidably engaged with the fixed platform 5 through the toothed rods 601 on both sides of the rear side, and the toothed rods 601 are connected to the gears 5041 on the drive rod 504 inside the fixed platform 5. The bearing platform 2 is then inserted. The slide block 102 is positioned at its upper end, allowing the limiting groove 201 to engage with the movable block 1021. The BCM electrical box cover to be labeled is placed in the limiting groove 201 of the support platform 2. The telescopic block 202 on the support platform 2 extends and abuts against the electrical box cover to secure it. The roll of label paper is mounted on the feeding roller 3021 on the upright frame 302. The label paper is pulled around the guide rollers B503 and A501 on the fixed platform 5 in sequence, and then around the guide roller C603 from below the guide plate 6 before being fixed to the winding roller 604 on the rear support 602. After starting the equipment, the slide block 102 moves the support platform 2 backward toward the labeling station, while the feeding roller 3021 is driven by the motor. The label paper is released, and the heating rod 502 at the upper rear of the fixed platform 5 is energized and heated. The guide roller B503 rotates synchronously with the label paper conveying. The hot air generated by the heating rod 502 is dissipated through the heat conduction holes 5031 on the outer wall of the guide roller B503 to heat the label paper. During the process of the carrier platform 2 moving towards the labeling station, the drive rod 504 pushes the guide plate 6, which is fixed to the rack 601, forward through the gear 5041. The contact part 404 generates negative pressure through the external air pump connected to the front interface 4042, and the labels separated on the guide plate 6 are adsorbed through the internal air holes 4041. Then, the drive rod 504 drives the guide plate 6 and the rear support 602 to slide backward. In this process, the motor drives the take-up roller 604 to recycle the label paper, and the electric cylinder 402 drives the contact 404 to move down through the fixed plate 403 to affix the label to the appliance box cover. After the contact 404 contacts the appliance box cover, it stops. The fixed plate 403 continues to move down so that the needle bar 4031 inserts into the air hole 4041 to clear the blockage. After the labeling is completed, the air pump stops working, the electric cylinder 402 drives the fixed plate 403 to lift, and the contact 404 resets on the fixed plate 403. Finally, the lead screw drives the slide 102 to move the labeled appliance box cover away from the labeling station, completing a single labeling operation. Repeating the above process can realize batch labeling of appliance box covers.

[0044] The following points should be noted in this article:

[0045] 1. The accompanying drawings of the embodiments of the present invention only involve the structures involved in the embodiments of the present invention; other structures can refer to general designs.

[0046] 2. Where there is no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other to obtain new embodiments.

[0047] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A BCM electrical box cover labeling apparatus comprising: Rail (1); the inside of the rail (1) is rotatably installed with a lead screw controlled by an electric machine, and the lower end of the rear side of the rail (1) is provided with an assembly groove (101); characterized in that the upper end face of the rail (1) is slidably provided with a sliding seat (102), the sliding seat (102) is threadedly connected with the lead screw in the rail (1), the inside upper end of the sliding seat (102) is slidably provided with a movable block (1021) through spring cooperation, the movable block (1021) can be stretched out from the top of the sliding seat (102), and both sides of the sliding seat (102) are provided with side grooves (1022); the rear side of the rail (1) is symmetrically provided with support frames (103) at both ends, the bottom of each support frame (103) is provided with a mounting block (1031), the mounting block (1031) is inserted and fixed with the assembly groove (101), the upper end of each support frame (103) is provided with an insertion rod (1032), the rear upper end of the rail (1) is provided with a mounting platform (3), the inside of the front and rear sides of the mounting platform (3) is provided with a through-type matching groove (301), the matching groove (301) is inserted and fixed with the insertion rod (1032), and two groups of vertical frames (302) are vertically inserted in the inside of the mounting platform (3); the upper end of each group of vertical frames (302) is provided with a feeding roller (3021), the feeding roller (3021) is rotatably connected with each group of vertical frames (302) respectively, the rotation of the feeding roller (3021) is controlled by an electric machine, the inside of each group of vertical frames (302) is provided with a limiting hole (3022), the mounting platform (3) is transversely inserted with a baffle (304), the baffle (304) penetrates the limiting holes (3022) on the vertical frames (302), the front side of the mounting platform (3) is provided with a side support (4), the insertion block (401) at the inner end of both sides of the side support (4) is inserted and matched with the connecting grooves (303) at both ends of the front side of the mounting platform (3), a fixing table (5) is arranged between the rail (1) and the mounting platform (3), both ends of the fixing table (5) are fixed with the vertical frames (302) in the mounting platform (3), a heating rod (502) is fixedly arranged at the rear upper end of the fixing table (5), a guide roller B (503) is rotatably arranged on the heating rod (502), heat-conducting holes (5031) and friction blocks (5032) are equidistantly arranged on the outer wall of the guide roller B (503), a guide plate (6) is arranged on the front side of the fixing table (5), gear rods (601) are fixedly arranged on both sides of the rear side of the guide plate (6), the gear rods (601) are slidably matched with the fixing table (5), and the gear rods (601) are in transmission connection with the gears (5041) on the driving rods (504) inside the fixing table (5).

2. The BCM electrical box cover labeling device of claim 1, wherein: The upper end of the sliding seat (102) is provided with a bearing table (2), a limiting groove (201) is arranged at the center position of the bearing table (2), the limiting groove (201) is inserted and matched with the movable block (1021), telescopic blocks (202) are arranged on the four end faces of the bearing table (2), and side plates (203) are fixedly arranged on both sides of the bearing table (2), the side plates (203) are slidably matched with the side grooves (1022).

3. The BCM electrical box cover labeling device of claim 1, wherein: The front end of the side support (4) is provided with an electric cylinder (402), and a fixed plate (403) is fixedly installed on the moving arm at the lower end of the electric cylinder (402).

4. The BCM electrical box cover labeling device of claim 3, wherein: The outer end of the fixed plate (403) is sleeved with a contact piece (404), the contact piece (404) can slide up and down on the outer end of the fixed plate (403), the inner part of the contact piece (404) is provided with air holes (4041) corresponding to the positions of the needle rods (4031), and the inner part of the contact piece (404) is hollow, and the front side of the contact piece (404) is connected with an air pump through an interface (4042).

5. The BCM electrical box cover labeling device of claim 1, wherein: The front side of the fixed table (5) is rotatably provided with a guide roller A (501) at the upper end, and a drive rod (504) controlled by an electric machine is rotatably installed at the lower part of the inner part of the fixed table (5), and two groups of gear wheels (5041) are fixedly installed on the drive rod (504).

6. The BCM electrical box cover labeling device of claim 1, wherein: The front side of the guide plate (6) is adjacent to the contact piece (404), and the rear ends of the two groups of tooth rods (601) are fixed with the rear support (602).

7. The BCM electrical box cover labeling device of claim 6, wherein: The inner part of the guide plate (6) is rotatably provided with a guide roller C (603) at the lower end, and a winding roller (604) controlled by an electric machine is rotatably installed in the inner part of the rear support (602).

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