Automatic assembling and labeling equipment for box cover

By designing equipment for automatic assembly and labeling of box covers, the problem of slow manual assembly speed and difficult to guarantee labeling consistency in the solenoid valve production line is solved, and automatic labeling and plug assembly is realized, improving work efficiency and labeling consistency.

CN222919970UActive Publication Date: 2025-05-30王光辉
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Patent Information

Application Number
CN202421963503.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-05-30
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

In the existing solenoid valve production lines, manual assembly of box covers and glue plugs is slower, and the consistency of labeling is difficult to ensure.

Method used

A device for automatic assembly and labeling of box cover is designed, including a workbench, a cam turntable, a box cover loading and vibrating disk, a labeling machine, a plug vibration disk, a plug loading and unloading transport mechanism, a plug pressing mechanism, a plug detection component and a finished product loading and unloading mechanism, to realize automatic labeling and assembly of glue plugs.

Benefits of technology

Through automated assembly and labeling, work efficiency is significantly improved, the consistency of labeling is ensured, and the problems of slow manual assembly speed and difficult to achieve labeling consistency are solved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to automatic assembling and labeling equipment for a box cover, and belongs to the technical field of electromagnetic valve production. Comprising a workbench, a cam rotating disc, and a box cover feeding vibration disc, a box cover feeding carrying station, a labeling machine, a rubber plug vibration disc, a rubber plug feeding and discharging carrying mechanism, a rubber plug pressing mechanism, a rubber plug detection part and a finished product discharging mechanism which are arranged around the cam rotating disc in sequence. According to the automatic assembling and labeling equipment for the box covers, the box covers are conveyed through the box cover feeding vibration disc, the box covers are carried into the cam rotating disc through the box cover feeding carrying station, labeling is conducted through the labeling machine, rubber plugs are conveyed through the rubber plug vibration disc, and the rubber plug feeding and discharging carrying mechanism and the rubber plug pressing mechanism are used in cooperation; the rubber plug pressing mechanism is extruded to deform and stuffed into a box cover, the rubber plug detection component detects and further presses the box cover, and finally, the box cover is taken out of the cam rotating disc and discharged through the finished product discharging mechanism, so that the functions of automatic labeling and rubber plug assembling are achieved, and the working efficiency is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of solenoid valve production, and specifically relates to a device for automatic assembly and labeling of a box cover. Background Art

[0002] A solenoid valve is a valve that uses electromagnetic principles to control the flow of fluids (such as water, oil, gas, etc.). It consists of an electromagnetic coil and a valve body. When the electromagnetic coil is energized, a magnetic field is generated, driving the valve core to move, thereby opening or closing the valve and controlling the on-off of the fluid.

[0003] In the solenoid valve production line, it is necessary to insert a rubber plug into the round hole of the box cover of the solenoid valve. The round hole of the rubber plug is used to ensure the sealing of wire threading. Since the assembly and labeling of the box cover and the rubber plug were previously done manually, the rubber plug products are small, irregular, and elastic. The manual assembly speed is slow, and it is difficult to achieve consistency in labeling. Therefore, a device for automatic assembly and labeling of a box cover is proposed to solve the above problems. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a device for automatic assembly and labeling of a box cover, which has the advantages of automatic labeling and rubber plug assembly, greatly improving work efficiency, and solving the problems of slow manual assembly speed and difficulty in achieving consistency in labeling.

[0005] To achieve the above object, the utility model provides the following technical solution: A device for automatic assembly and labeling of a box cover, including a workbench, a cam turntable, and a box cover feeding vibrating disk, a box cover feeding handling station, a labeling machine, a rubber plug vibrating disk, a rubber plug loading and unloading handling mechanism, a rubber plug pressing mechanism, a rubber plug detection component, and a finished product unloading mechanism arranged around the cam turntable in sequence. Among them, the box cover feeding handling station is located above the conveyor line of the box cover feeding vibrating disk, and the conveyor line of the rubber plug vibrating disk and the rubber plug pressing mechanism are both located below the rubber plug loading and unloading handling mechanism;

[0006] The box cover feeding handling station is used to transport the box cover from the box cover feeding vibrating disk to the station slot of the cam turntable;

[0007] The labeling machine is used to attach the label to the box cover;

[0008] The rubber plug pressing mechanism is used to compress the rubber plug into a regular shape for easy placement into the hole of the box cover;

[0009] The rubber plug detection component is used to detect whether the rubber plug is normally placed into the box cover.

[0010] Further, the lid loading and handling station includes a mounting frame, on which a first electric slide table member movable in the XY axes is installed. A feeding suction nozzle is installed on the slider of the first electric slide table member, and the feeding suction nozzle is located above the lid feeding vibrating disk conveyor line.

[0011] Further, the rubber plug loading and unloading handling mechanism includes a connecting frame, on which a second electric slide table member is installed. The slider of the second electric slide table member is connected to a handling frame, and two first electric push rods are installed on the handling frame. The output shafts of the two first electric push rods are respectively installed with a material taking mechanism and a material ejecting mechanism.

[0012] Further, the rubber plug loading and unloading handling mechanism further includes a material distributing mechanism, which is located at the discharging position of the rubber plug vibrating disk conveyor line. The material distributing mechanism consists of an electric telescopic rod and a pushing head.

[0013] Further, the material taking mechanism includes a connecting cylinder, the top end of which is fixedly connected to the left first electric push rod. Two cylinders are arranged inside the connecting cylinder, and the diameters of the two cylinders are respectively larger than the diameter of the round hole on the rubber plug product.

[0014] Further, the material ejecting mechanism includes a sleeve, the top end of which is connected to the right first electric push rod. A material ejecting rod for ejecting the rubber plug is arranged inside the sleeve.

[0015] Further, a flattening mechanism is installed on the workbench. The flattening mechanism includes a bracket fixedly connected to the workbench. A second electric push rod is fixedly installed on one side of the bracket, and the output shaft of the second electric push rod is fixedly connected to a pressing plate located on the cam turntable. A thimble positioning assembly for supporting the lid is fixedly installed on the other side of the bracket. The thimble positioning assembly includes a limiting block fixedly connected to the bracket, and a driving member is fixedly installed below the limiting block. The output shaft of the driving member is connected to a positioning thimble penetrating through the limiting block.

[0016] Further, the rubber plug pressing mechanism includes a pressing seat, a pressing station is arranged at the center of the pressing seat, and pressing plates capable of moving towards the center and extruding are arranged at four positions of the pressing station.

[0017] Further, the rubber plug detecting component includes a support rod, on which a third electric push rod is installed. The output shaft of the third electric push rod is fixedly installed with a pressing head, and an induction optical fiber for detecting the position of the box body is arranged on the support rod and below the pressing head.

[0018] Further, the finished product blanking mechanism includes a blanking rack, on which a third electric sliding table member capable of moving in the X and Y axes is installed. The output shaft of the third electric sliding table member is fixedly installed with a blanking suction nozzle. A slideway is fixedly installed on the blanking rack and below the blanking suction nozzle. An NG product dropping port is opened inside the slideway, and a qualified product rubber frame is arranged at the outlet of the slideway. A fourth electric push rod for reciprocating sliding of the slideway is installed on the blanking rack.

[0019] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0020] For the automatic assembly and labeling equipment for the box cover, the box cover is conveyed by the box cover loading vibrating disk. The loading suction nozzle of the box cover loading handling station is used to carry the box cover into the station groove of the cam turntable. The cam turntable drives the box cover to rotate, and the labeling machine is used for labeling. At the same time, the rubber plug vibrating disk conveys the rubber plugs, and the rubber plug loading and unloading handling mechanism transports the rubber plugs from the rubber plug vibrating disk to the rubber plug pressing mechanism. After being deformed by the rubber plug pressing mechanism, the rubber plugs are then inserted into the box cover. The cam turntable drives the box cover to rotate to the rubber plug detection component for detection and further pressing. Finally, through the finished product blanking mechanism, the box cover is taken out and blanked from the cam turntable, achieving the functions of automatic labeling and rubber plug assembly, and greatly improving the work efficiency. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of the present utility model;

[0022] Figure 2 It is a schematic structural diagram of the cam turntable of the present utility model;

[0023] Figure 3 It is a schematic structural diagram of the box cover loading handling station of the present utility model;

[0024] Figure 4 It is a schematic structural diagram of the labeling machine of the present utility model;

[0025] Figure 5 It is a schematic diagram of the rubber plug loading and unloading handling mechanism of the present utility model;

[0026] Figure 6 It is a schematic diagram of the rubber plug pressing mechanism of the present utility model;

[0027] Figure 7 It is a schematic diagram of the ejector mechanism of the present utility model;

[0028] Figure 8 It is a schematic diagram of the material taking mechanism of the present utility model;

[0029] Figure 9 It is a schematic diagram of the rubber plug detection component of the present utility model;

[0030] Figure 10This is a schematic diagram of the finished product blanking mechanism of the present utility model.

[0031] In the figure: 1 workbench, 2 cam turntable, 3 lid feeding vibrating disk, 4 lid feeding handling station, 401 mounting frame, 402 first electric slide member, 403 feeding suction nozzle, 5 labeling machine, 6 rubber plug vibrating disk, 7 rubber plug loading and unloading handling mechanism, 701 connecting frame, 702 second electric slide member, 703 handling frame, 704 first electric push rod, 8 rubber plug pressing mechanism, 801 pressing seat, 802 pressing station, 803 pressing plate, 9 rubber plug detection component, 901 support rod, 902 third electric push rod, 903 pressing head, 904 sensing optical fiber, 10 finished product blanking mechanism, 101 blanking frame, 102 third electric slide member, 103 blanking suction nozzle, 104 slideway, 105 NG product dropping port, 106 qualified product rubber frame, 107 fourth electric push rod, 11 material taking mechanism, 111 connecting cylinder, 112 cylinder, 12 ejector mechanism, 121 sleeve, 122 ejector rod, 13 material distributing mechanism, 14 flattening mechanism, 141 support, 142 second electric push rod, 143 pressing plate, 15 thimble positioning assembly, 151 limiting block, 152 driving member, 153 positioning thimble. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0033] Please refer to Figures 1 to 10 , a kind of automatic box lid assembly and labeling equipment in this embodiment includes a workbench 1, a cam turntable 2, and a lid feeding vibrating disk 3, a lid feeding handling station 4, a labeling machine 5, a rubber plug vibrating disk 6, a rubber plug loading and unloading handling mechanism 7, a rubber plug pressing mechanism 8, a rubber plug detection component 9, and a finished product blanking mechanism 10 arranged around the cam turntable 2 in sequence. Among them, the lid feeding handling station 4 is located above the conveying line of the lid feeding vibrating disk 3, and the conveying line of the rubber plug vibrating disk 6 and the rubber plug pressing mechanism 8 are both located below the rubber plug loading and unloading handling mechanism 7.

[0034] The lid loading and handling station 4 is used to transfer the lids from the lid loading vibrating disk 3 to the station slots of the cam turntable 2. Specifically, the lid loading and handling station 4 includes a mounting frame 401. An XY-axis movable first electric slide member 402 is installed on the mounting frame 401. A feeding suction nozzle 403 is installed on the slider of the first electric slide member 402. The feeding suction nozzle 403 is located above the conveying line of the lid loading vibrating disk 3. The feeding suction nozzle 403 is externally connected to an air pump, which generates negative pressure by vacuum, making the inlet of the suction nozzle in a vacuum state to adsorb the lids. Cooperating with the drive of the first electric slide member 402, the lids are placed on the cam turntable 2.

[0035] The labeling machine 5 is used to attach the labels to the lids. Specifically, the label roll is placed on the label supply system. Through a series of rollers and traction devices, the labels are continuously sent out. When the labels are sent out from the roll material, a separating device is used to ensure that only one label is sent out each time. The separated labels are sent to the correct position to wait for pasting. When the product reaches the labeling position, the sensor will detect the position of the product and transmit the information to the control system of the labeling machine 5. The control system, according to the information of the sensor, commands the labeling device to accurately attach the label to the predetermined position of the product and applies pressure to firmly paste the label on the product. Since the labeling machine 5 is a commonly existing product on the market, it will not be elaborated here.

[0036] The rubber plug loading and unloading handling mechanism 7 includes a connecting frame 701. A second electric slide member 702 is installed on the connecting frame 701. The slider of the second electric slide member 702 is connected to a handling frame 703. Two first electric push rods 704 are installed on the handling frame 703. The output shafts of the two first electric push rods 704 are respectively installed with a material taking mechanism 11 and a material pushing mechanism 12. And, the rubber plug loading and unloading handling mechanism 7 further includes a material distributing mechanism 13. The material distributing mechanism 13 is located at the discharging place of the conveying line of the rubber plug vibrating disk 6. The material distributing mechanism 13 is composed of an electric telescopic rod and a pushing head. The electric telescopic rod is used to drive the pushing head to push the rubber plugs one by one to the lower part of the material taking mechanism 11, thus completing the material distribution.

[0037] Among them, the material taking mechanism 11 includes a connecting cylinder 111. The top end of the connecting cylinder 111 is fixedly connected to the left first electric push rod 704. Two cylinders 112 are arranged inside the connecting cylinder 111. The diameters of the two cylinders 112 are respectively larger than the diameter of the round hole on the rubber plug product. By the telescopic movement of the first electric push rod 704, the connecting cylinder 111 and the cylinders 112 are driven to move downward, so that the cylinders 112 are inserted into the round holes of the rubber plugs. Thus, driven by the second electric slide member 702, the handling frame 703 moves, driving the rubber plugs to move above the rubber plug pressing mechanism 8.

[0038] The rubber stopper pressing mechanism 8 is used to compress the rubber stopper into a regular shape for easy insertion into the hole of the box cover. Specifically, the rubber stopper pressing mechanism 8 includes a pressing seat 801. At the center of the pressing seat 801, there is a pressing station 802, and pressing plates 803 that can move towards the center and squeeze are arranged in four directions of the pressing station 802. After the connecting cylinder 111 drives the rubber stopper to move above the pressing station 802, the first electric push rod 704 on the left side extends, puts the rubber stopper into the pressing station 802, and the four pressing plates 803 are deformed by squeezing towards the middle. Then, the first electric push rod 704 on the left side contracts, separating the cylinder 112 from the rubber stopper. Subsequently, the ejecting mechanism 12 will pick up the rubber stopper that has been pressed into a regular shape.

[0039] The ejecting mechanism 12 includes a sleeve 121. The top of the sleeve 121 is connected to the first electric push rod 704 on the right side. Inside the sleeve 121, there is an ejecting rod 122 for ejecting the rubber stopper, and a push rod motor is also arranged inside the sleeve 121, which can drive the ejecting rod 122 to move by using the push rod motor. The first electric push rod 704 on the right side drives the sleeve 121 to move, so that the sleeve 121 sleevingly picks up the pressed and deformed rubber stopper, moves to the position above the box cover, and cooperates with the flattening mechanism 14 to push the rubber stopper into the box cover by using the ejecting rod 122.

[0040] It should be noted that the picking mechanism 11 and the ejecting mechanism 12 are both installed on the connecting frame 701. When the connecting frame 701 moves left and right, it can compress the rubber stopper into a regular square shape on one side and place the pressed rubber stopper on the box cover on the other side, saving time.

[0041] Among them, the flattening mechanism 14 is installed on the workbench 1. The flattening mechanism 14 includes a bracket 141 fixedly connected to the workbench 1. On one side of the bracket 141, a second electric push rod 142 is fixedly installed. The output shaft of the second electric push rod 142 is fixedly connected to a pressing plate 143 located on the cam turntable 2. On the other side of the bracket 141, a thimble positioning assembly 15 for supporting the box cover is fixedly installed. The thimble positioning assembly 15 includes a limit block 151 fixedly connected to the bracket 141. Below the limit block 151, a driving member 152 is fixedly installed. The output shaft of the driving member 152 is connected to a positioning thimble 153 passing through the limit block 151. By the contraction of the second electric push rod 142, the pressing plate 143 moves towards the box cover. At the same time, the driving member 152 extends the positioning thimble 153 to cooperate with the work to position and fix the box cover, preventing the box cover from shifting when the rubber stopper is inserted into the box cover. After the insertion is completed, the cam turntable 2 continues to rotate, moving the box cover below the rubber stopper detection component 9.

[0042] The rubber stopper detection component 9 is used to detect whether the rubber stopper is properly placed into the box cover. The rubber stopper detection component 9 includes a support rod 901, on which a third electric push rod 902 is installed. The output shaft of the third electric push rod 902 is fixedly installed with a pressing head 903. On the support rod 901 and below the pressing head 903, an induction optical fiber 904 for detecting the position of the box body is provided. The rubber stopper detection component 9 detects the box cover to check whether the rubber stopper is properly placed into the box cover. If not, the third electric push rod 902 will drive the pressing head 903 to re-press the rubber stopper to make it qualified. After the detection is completed, the cam turntable 2 continues to rotate, moving the box cover to the finished product discharging mechanism 10. When there is no rubber stopper in the box cover hole, it also continues to move to the finished product discharging mechanism 10.

[0043] The finished product discharging mechanism 10 includes a discharging frame 101, on which a third electric sliding table member 102 that can move in the X and Y axes is installed. The output shaft of the third electric sliding table member 102 is fixedly installed with a discharging suction nozzle 103. On the discharging frame 101 and below the discharging suction nozzle 103, a slideway 104 is fixedly installed. Inside the slideway 104, there is a NG product dropping port 105, and at the outlet of the slideway 104, there is a qualified product rubber frame 106. On the discharging frame 101, a fourth electric push rod 107 for reciprocally sliding the slideway 104 is installed. The third electric sliding table member 102 is used to drive the discharging suction nozzle 103 to suck the box cover and move it above the slideway 104. When the detected box cover is a NG product, the fourth electric push rod 107 pushes the slideway 104 to move, making the NG product dropping port 105 correspond to the discharging suction nozzle 103, so that the discharging suction nozzle 103 drops the box cover from the NG product dropping port 105. When the detected box cover is a qualified product, the fourth electric push rod 107 drives the slideway 104 to move back to its original position, enabling the box cover to normally slide into the qualified product rubber frame 106 from the slideway 104, thus completing the collection.

[0044] The working principle of the above embodiment is as follows:

[0045] The box cover is conveyed by the box cover feeding vibrating disk 3, and the feeding suction nozzle 403 of the box cover feeding handling station 4 is used to carry the box cover to the working station groove of the cam turntable 2. The cam turntable 2 drives the box cover to rotate, and the labeling machine 5 is used for labeling. At the same time, the rubber stopper vibrating disk 6 conveys the rubber stoppers, and the rubber stopper loading and unloading handling mechanism 7 transports the rubber stoppers from the rubber stopper vibrating disk 6 to the rubber stopper pressing mechanism 8. After being deformed by the rubber stopper pressing mechanism 8, they are then inserted into the box cover. The cam turntable 2 drives the box cover to rotate to the rubber stopper detection component 9 for detection and further pressing. Finally, through the finished product discharging mechanism 10, the box cover is taken out and discharged from the cam turntable 2, achieving the functions of automatic labeling and rubber stopper assembly, and greatly improving the work efficiency.

[0046] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.

[0047] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic assembly and labeling device for box covers, characterized in that: The invention comprises a workbench (1), a cam turntable (2), and a box cover feeding vibration plate (3) arranged around the cam turntable (2), a box cover feeding handling station (4), a labeling machine (5), a rubber plug vibration plate (6), a rubber plug loading and unloading handling mechanism (7), a rubber plug pressing mechanism (8), a rubber plug detection component (9) and a finished product unloading mechanism (10), wherein the box cover feeding handling station (4) is located above the conveying line of the box cover feeding vibration plate (3), and the conveying line of the rubber plug vibration plate (6) and the rubber plug pressing mechanism (8) are both located below the rubber plug loading and unloading handling mechanism (7); The box cover loading and handling station (4) is used to carry the box covers from the box cover loading vibration plate (3) to the station slot of the cam rotating plate (2); The labeling machine (5) is used to attach the label to the box cover; The rubber plug pressing mechanism (8) is used to compress the rubber plug into a regular shape so as to facilitate insertion into the hole of the box cover; The rubber plug detection component (9) is used to detect whether the rubber plug is normally placed in the box cover.

2. The automatic assembly and labeling equipment for box covers according to claim 1, characterized in that: The box cover loading and handling station (4) comprises a mounting frame (401), on which a first electric slide member (402) movable along the XY axis is mounted, and a slider of the first electric slide member (402) is mounted with a loading nozzle (403), and the loading nozzle (403) is located above the conveying line of the box cover loading vibration plate (3).

3. The automatic assembly and labeling equipment for box covers according to claim 1, characterized in that: The rubber plug loading and unloading transport mechanism (7) comprises a connecting frame (701), a second electric slide member (702) is mounted on the connecting frame (701), a slider of the second electric slide member (702) is connected to a transport frame (703), two first electric push rods (704) are mounted on the transport frame (703), and the output shafts of the two first electric push rods (704) are respectively mounted with a material taking mechanism (11) and a material pushing mechanism (12).

4. The automatic assembly and labeling equipment for box covers according to claim 3, characterized in that: The rubber plug loading and unloading conveying mechanism (7) further comprises a material dividing mechanism (13), which is located at the discharge position of the rubber plug vibration plate (6) conveying line, and the material dividing mechanism (13) is composed of an electric telescopic rod and a pusher head.

5. The automatic assembly and labeling equipment for box covers according to claim 4, characterized in that: The material taking mechanism (11) comprises a connecting tube (111), the top end of which is fixedly connected to the first electric push rod (704) on the left side, and two cylinders (112) are arranged inside the connecting tube (111), and the diameters of the two cylinders (112) are respectively larger than the diameters of the circular holes on the rubber plug product.

6. The automatic assembly and labeling equipment for box covers according to claim 5, characterized in that: The ejecting mechanism (12) comprises a sleeve (121), the top end of the sleeve (121) is connected to the first electric push rod (704) on the right side, and an ejecting rod (122) for ejecting the rubber plug is arranged inside the sleeve (121).

7. The automatic assembly and labeling equipment for box covers according to claim 6, characterized in that: A flattening mechanism (14) is installed on the workbench (1), and the flattening mechanism (14) comprises a bracket (141) fixedly connected to the workbench (1); a second electric push rod (142) is fixedly installed on one side of the bracket (141); the output shaft of the second electric push rod (142) is fixedly connected to a pressure plate (143) located on the cam turntable (2); a pin positioning assembly (15) for supporting the box cover is fixedly installed on the other side of the bracket (141); the pin positioning assembly (15) comprises a limit block (151) fixedly connected to the bracket (141); a driving member (152) is fixedly installed below the limit block (151); the output shaft of the driving member (152) is connected to a positioning pin (153) that passes through the limit block (151).

8. The automatic assembly and labeling equipment for box covers according to claim 1, characterized in that: The plug pressing mechanism (8) comprises a pressing seat (801), a pressing station (802) is arranged at the center of the pressing seat (801), and pressing plates (803) that can move toward the center for pressing are arranged at four positions of the pressing station (802).

9. The automatic assembly and labeling equipment for box covers according to claim 1, characterized in that: The rubber plug detection component (9) comprises a support rod (901), a third electric push rod (902) is mounted on the support rod (901), a pressure head (903) is fixedly mounted on the output shaft of the third electric push rod (902), and a sensing optical fiber (904) for detecting the position of the box body is arranged on the support rod (901) below the pressure head (903).

10. The automatic assembly and labeling equipment for box covers according to claim 1, characterized in that: The finished product unloading mechanism (10) comprises an unloading rack (101), a third electric slide member (102) movable along the XY axis is mounted on the unloading rack (101), an unloading nozzle (103) is fixedly mounted on the output shaft of the third electric slide member (102), a slideway (104) is fixedly mounted on the unloading rack (101) and below the unloading nozzle (103), an NG product drop-off opening (105) is provided inside the slideway (104), and a qualified product rubber frame (106) is provided at the exit of the slideway (104), and a fourth electric push rod (107) is mounted on the unloading rack (101) for the slideway (104) to slide back and forth.