A display button welding device

Abstract

This invention provides a display button welding device, belonging to the field of display manufacturing technology. The welding device includes a frame with a welding station for placing workpieces to be welded. A first driving device and a welding structure are also mounted on the frame. The first driving device is positioned above the welding station, and the welding structure is located at the output end of the first driving device. The first driving device drives the welding structure to move up and down above the welding station. The bottom of the welding structure includes a hot-melt structure and a positioning structure for positioning the display buttons. The hot-melt structure is used for hot-melt welding the display buttons. This device can position and automatically weld display buttons, thereby reducing labor costs, improving production efficiency, and effectively ensuring welding quality.

Description

Technical Field

[0001] This utility model relates to the field of display manufacturing technology, and in particular to a display button welding device. Background Technology

[0002] In the manufacturing process of cabinet air conditioner displays, the soldering of display buttons is a crucial step, as the soldering quality directly impacts the subsequent user experience. Currently, the common method for soldering display buttons on cabinet air conditioners is manual operation, where each solder post is individually soldered using a soldering iron. However, this traditional manual soldering method is extremely inefficient. For example, a display has multiple solder posts, and soldering them one by one using the traditional method is not only time-consuming and labor-intensive but also makes it difficult to complete large-scale production tasks in a short period, severely restricting the improvement of production efficiency. Furthermore, it is difficult to guarantee the quality and precision of the soldering. During manual soldering, the quality and precision of the solder posts are highly dependent on the worker's skill level. Different workers have varying skill levels, and even the same worker may experience inconsistent soldering quality due to fatigue after prolonged work. This results in inconsistent product quality, increases the defect rate, and affects the overall quality of the product.

[0003] Therefore, it is necessary to improve the soldering method of the display buttons on the existing cabinet to overcome the defects of the existing technology. Utility Model Content

[0004] To overcome the problems existing in related technologies, one of the objectives of this utility model is to provide a display button welding device. This device can position and automatically weld display buttons, thereby reducing the labor cost of display button welding, improving production efficiency, and effectively ensuring the quality of welding.

[0005] A display button welding device, comprising:

[0006] A frame, wherein a welding station is provided on the frame for placing the workpiece to be welded;

[0007] The frame is also provided with a first driving device and a welding structure. The first driving device is located above the welding station, and the welding structure is located at the output end of the first driving device. The first driving device drives the welding structure to move up and down above the welding station.

[0008] The bottom of the welding structure is provided with a hot-melt structure and a positioning structure for positioning the display buttons. The hot-melt structure is used to perform hot-melt welding on the display buttons.

[0009] Specifically, in practical applications, the first drive device uses a servo motor in conjunction with a ball screw structure. This device is mounted on the crossbeam at the top of the frame, directly above the welding station. The welding structure is fixed to the nut of the ball screw via a connecting seat. When the servo motor is started, it can drive the welding structure to move precisely up and down in the vertical direction.

[0010] At the bottom of the welded structure, the positioning structure consists of four positioning structures evenly distributed around the hot-melt structure. The position of each positioning structure corresponds to the position of each display button mounting hole on the display box. When the welded structure descends, the positioning pins are first inserted into the display button mounting holes to achieve precise positioning of the display buttons.

[0011] During operation, the display box to be welded is placed on the welding station, and the display buttons are then positioned in their preset locations. The device is then activated; the first drive unit lowers the welding structure, and the positioning structure inserts into the display button mounting holes for positioning. Next, the hot melt head contacts the welding post of the display button, and hot melt welding is performed at a set temperature. After welding, the first drive unit raises the welding structure, and the operator removes the welded product, completing one welding operation. This device uses a positioning structure to precisely position the display buttons, avoiding misalignment issues that may occur during manual placement. This effectively ensures welding accuracy and quality, solving the problem of high product defect rates caused by inaccurate positioning in traditional manual welding. Furthermore, the device uses the first drive unit to automatically complete the welding operation, replacing manual welding, reducing reliance on manual labor, lowering labor costs, and avoiding efficiency decline due to fatigue during manual welding, significantly improving production efficiency. It also reduces the risk of burns to operators, improving operational safety.

[0012] In a preferred embodiment of this invention, the welding structure includes a welding body, and the positioning structure includes an elastic element and a limiting head. The elastic element is fixed to the bottom of the welding body, and the limiting head is detachably disposed at the end of the elastic element away from the welding body.

[0013] Specifically, the bottom of the welding body has a pre-drilled mounting groove for fixing the elastic element of the positioning structure. The elastic element is a cylindrical helical spring. One end of the spring is fixed to the mounting groove at the bottom of the welding body by a bolt, and the other end is detachably fitted with a limit head by a threaded connection. The limit head can be made of wear-resistant engineering plastic, and its end shape is adapted to the positioning hole on the display button.

[0014] During operation, when the first drive device lowers the welding structure, the limiting head first contacts the display button and inserts into the positioning hole. As the welding structure continues to descend, the elastic element is compressed, generating an elastic force that ensures the limiting head tightly fits the display button, achieving elastic positioning and effectively preventing the display button from loosening or shifting during welding. Simultaneously, the hot-melt structure at the bottom of the welding body slowly contacts the welding column under the buffering effect of the elastic element, performing hot-melt welding. After welding is completed, the welding structure rises, the elastic element returns to its original shape, and the limiting head separates from the display button.

[0015] In this embodiment, the positioning structure uses the elastic force of the elastic element to make the limiting head fit tightly against the display button. This not only ensures the stability of the display button during the welding process and prevents it from shifting, but also acts as a buffer when the welding structure descends, avoiding hard damage to the display button and improving the stability of the welding quality.

[0016] In the preferred embodiment of this utility model, multiple hot-melt structures and positioning structures are provided on the welding body, and each hot-melt structure corresponds one-to-one with the position of each display button.

[0017] In this embodiment, multiple hot-melt structures and positioning structures are provided, and each hot-melt structure corresponds one-to-one with the position of each display button. This allows for simultaneous welding of multiple welding columns, significantly improving welding efficiency and solving the problem of low efficiency in traditional manual welding. It is especially suitable for welding cabinets with multiple welding columns, meeting the requirements of high-efficiency production.

[0018] In a preferred embodiment of this utility model, the hot-melt structure includes a hot-melt body, a heating element is disposed in the hot-melt body, and a heat insulation layer is wrapped around the heating element.

[0019] A heat-conducting column is provided at the bottom of the hot-melt body, and the heat-conducting column is connected to the heating element.

[0020] In a preferred embodiment of this invention, the heat-conducting column is cylindrical or conical, and is connected to the welding column during welding.

[0021] In this embodiment, during the welding operation, the display buttons are placed in a preset position on the display box. The heating element of the hot melt body is energized and heated. The heat is transferred to the heat-conducting pillar through the silver solder joint, causing the temperature at the top of the heat-conducting pillar to rise rapidly to 200℃ (±5℃). The cylindrical heat-conducting pillar contacts the conventional solder pillar surface of the display box, achieving large-area hot melt welding. The tip of the conical heat-conducting pillar first contacts the irregularly shaped solder pillar. After correcting minor misalignment through the conical guiding effect, welding is completed through the side. The heat insulation layer controls the outer surface temperature of the hot melt body below 50℃, preventing heat from diffusing to the display button body and the area contacted by the operator.

[0022] The heat insulation layer in this embodiment effectively blocks heat diffusion, protecting the plastic body of the display buttons from high-temperature damage and controlling the outer surface temperature within a safe range, eliminating the risk of burns to operators upon contact and improving operational safety. The heat-conducting pillars employ a combination of cylindrical and conical designs. The cylindrical shape accommodates conventional welding pillars to ensure welding area, while the conical shape accommodates irregularly shaped welding pillars and has a self-positioning function, reducing misalignment issues caused by differences in welding pillar shapes and improving the device's compatibility with different product models.

[0023] In a preferred embodiment of this utility model, the welding body includes a heat insulation plate and a heat conduction plate. The heat insulation plate is fixedly connected to the output end of the first driving device, and the heat conduction plate is disposed on one side of the heat insulation plate. A heating rod is disposed on the heat conduction plate.

[0024] Both the positioning structure and the hot-melt structure are disposed on the heat-conducting plate.

[0025] In a preferred embodiment of this invention, a plurality of temperature sensing elements are provided on the heat-conducting plate, and the temperature sensing elements are used to monitor the temperature of the heat-conducting plate.

[0026] In practical applications, the heat-conducting plate is also equipped with four temperature-sensing elements (K-type thermocouples), which are installed near the two ends and the middle of the heating rod. The detection end of the temperature-sensing element is in close contact with the surface of the heat-conducting plate, and the output end is connected to the temperature control module through a shielded wire to monitor the temperature change of the heat-conducting plate in real time. The monitoring accuracy can reach ±1℃.

[0027] In actual operation, the heating rod generates heat after being powered on, which is evenly transferred to each hot melt head through the heat-conducting plate, causing the hot melt head to quickly heat up to the set temperature. The temperature sensing element collects the temperature data of the heat-conducting plate in real time and feeds it back to the temperature control module. When the temperature exceeds the set value, the control module cuts off the power to the heating rod; when the temperature falls below the set value, the power is reconnected, ensuring that the temperature of the heat-conducting plate and the hot melt head remains stable within the preset range. Simultaneously, the heat insulation plate effectively blocks heat transfer to the first driving device, preventing high temperatures from affecting the accuracy and lifespan of the driving device.

[0028] The combination design of the heat insulation plate and the heat conduction plate in this embodiment can not only achieve uniform heat transfer through the heat conduction plate, ensuring that the temperature of multiple hot melt heads is consistent and improving the stability of welding quality, but also block the diffusion of heat to the drive device through the heat insulation plate, protecting the drive components from high temperature damage and extending the service life of the equipment.

[0029] In a preferred embodiment of this utility model, the frame is further provided with an air jet structure, which includes an air distribution pipe and a nozzle. The air distribution pipe is located on one side of the welding station and is connected to an external air supply device.

[0030] The nozzle is disposed on and communicates with the gas equalization pipe, and the nozzle is oriented toward the welding station.

[0031] In actual operation, after the hot-melt structure is welded and rises, the control system synchronously triggers the solenoid valve to open. Compressed air supplied by the external air supply equipment enters the air distribution pipe, and after being pressurized by the pipe, it is simultaneously sprayed from six nozzles onto the product at the welding station (the welding point between the display buttons and the monitor box). After the airflow continues for a set time, the solenoid valve closes, stopping the airflow. During this process, the high-speed airflow quickly removes heat from the welding point.

[0032] The jet cooling system, through the coordination of the gas distribution pipe and nozzles, can rapidly cool the weld column and surrounding area after welding, avoiding weld stringing caused by slow natural cooling and further improving welding quality. It also solves the problem of insufficient cooling after traditional manual welding. Automated jet cooling replaces manual waiting for cooling or manual fan cooling, shortening the welding cycle for individual products. Combined with the device's automatic welding function, it significantly improves overall production efficiency. Furthermore, the gas distribution pipe ensures uniform air pressure from each nozzle, and the comprehensive spraying from multiple nozzles results in more even cooling of the welding area, preventing product deformation caused by excessively rapid or slow cooling in certain areas and ensuring the structural stability of the product.

[0033] In a preferred embodiment of this utility model, the frame includes a worktable, a guide rail and a second driving device are provided on the worktable, one end of the guide rail is connected to the welding station, a slider is provided on the guide rail, and a mounting plate is provided on the slider.

[0034] The output end of the second driving device is fixedly connected to the slider.

[0035] In a preferred embodiment of this invention, a positioning sensor is provided on one side of the welding station, and the positioning sensor is positioned facing the guide rail.

[0036] In this embodiment, during actual operation, the operator places the display box and display buttons to be welded on the mounting plate and initially positions them. Then, the device is activated, and the second drive unit drives the slider to move along the guide rail towards the welding station. When the mounting plate moves with the slider to the preset position of the welding station, the positioning sensor detects the mounting plate and sends a signal. Upon receiving the signal, the control system controls the second drive unit to stop, and the slider precisely stops. At this time, the first drive unit drives the welding structure to descend for welding operations. After welding is completed, the welding structure rises, and the second drive unit drives the slider to move the mounting plate and the welded product back to the initial position along the guide rail. The operator then removes the product, completing one welding cycle. The coordination of the worktable, guide rail, and second drive unit achieves automated material transport, replacing manual material handling to the welding station, reducing manual intervention, lowering the operator's workload, and avoiding potential positional deviations during manual placement, thus improving the accuracy of material positioning.

[0037] The position sensor enables real-time detection of the slider position. When the material reaches the preset welding position, it can promptly provide a signal and control the slider to stop, avoiding welding failures caused by overshooting or undershooting, thus improving the reliability and automation of the device.

[0038] The beneficial effects of this utility model are as follows:

[0039] This utility model provides a display button welding device, which includes a frame with a welding station for placing the workpiece to be welded. The frame also includes a first driving device and a welding structure. The first driving device is positioned above the welding station, and the welding structure is located at the output end of the first driving device. The first driving device drives the welding structure to move up and down above the welding station. The bottom of the welding structure includes a hot-melt structure and a positioning structure for positioning the display buttons. The hot-melt structure is used for hot-melt welding of the display buttons. In use, the display box to be welded is placed on the welding station, and the display buttons are then placed in a preset position on the display box. The device is then activated; the first driving device drives the welding structure to descend, the positioning structure inserts into the mounting hole of the display button to complete the positioning, and then the hot-melt head contacts the welding post of the display button, performing hot-melt welding at a set temperature. After welding is completed, the first driving device drives the welding structure to rise, and the operator removes the welded product, completing one welding operation. This device uses a positioning structure to precisely position the display buttons, avoiding misalignment issues that may occur during manual placement. This effectively ensures welding accuracy and quality, solving the problem of high product defect rates caused by inaccurate positioning in traditional manual welding. The device also utilizes a first drive unit to automatically complete the welding operation, replacing manual welding and reducing reliance on manual labor. This lowers labor costs and avoids the efficiency decline caused by fatigue during manual welding, significantly improving production efficiency. Furthermore, it reduces the risk of burns to operators, enhancing operational safety. Attached Figure Description

[0040] Figure 1 This is a front view of the display button welding device provided in an embodiment of this application;

[0041] Figure 2 This is a side view of the display button welding device provided in an embodiment of this application;

[0042] Figure 3 This is a top view of the display button welding device provided in an embodiment of this application;

[0043] Figure 4 This is a schematic diagram of the welding body provided in an embodiment of this application;

[0044] Figure 5 This is a perspective view of the jet structure provided in an embodiment of this application;

[0045] Figure 6 This is a top view of the jet structure provided in an embodiment of this application;

[0046] Figure 7 This is a schematic diagram of the hot-melt structure provided in an embodiment of this application.

[0047] Figure label:

[0048] 1. Frame; 11. Workbench; 12. Guide rail; 13. Slider; 14. Mounting plate; 2. First drive device; 3. Welding body; 31. Heat insulation plate; 32. Heat conduction plate; 321. Heating rod; 322. Temperature sensing element; 4. Air jet structure; 41. Gas distribution pipe; 42. Nozzle; 5. Hot melt structure; 51. Heat conduction column; 52. Heating element; 53. Heat insulation layer; 6. Positioning structure; 61. Elastic element; 62. Limiting head. Detailed Implementation

[0049] Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0050] Traditional display button welding devices typically consist of several main components: a manifold, microchannel flat tubes, adapter blocks, spacers, and end caps. During actual assembly, the flat tubes cannot achieve a tight fit when inserted into the manifold due to structural limitations, resulting in gaps between the flat tubes. This gap necessitates an increase in the overall parallel flow dimension, thus increasing production and transportation costs. Furthermore, while the manifold has punched holes for flat tube assembly, with gaps between them to ensure proper alignment and facilitate assembly, this results in an overall product size 20%-40% larger than the actual heat exchange size. The large number of flat tubes used and the repetitive insertion process on-site further increase production costs and reduce the market competitiveness of the display button welding device.

[0051] Based on this, this application provides a display button welding device.

[0052] Example 1

[0053] like Figures 1-7 As shown, this embodiment provides a display button welding device, comprising:

[0054] Frame 1, wherein a welding station is provided on the frame 1 for placing the workpiece to be welded;

[0055] The frame 1 is also provided with a first driving device 2 and a welding structure. The first driving device 2 is located above the welding station, and the welding structure is located at the output end of the first driving device 2. The first driving device 2 drives the welding structure to move up and down above the welding station.

[0056] The bottom of the welding structure is provided with a hot melt structure 5 and a positioning structure 6 for positioning the display buttons. The hot melt structure 5 is used for hot melt welding of the display buttons.

[0057] Specifically, in practical applications, the first drive device 2 uses a servo motor in conjunction with a ball screw structure. This device is mounted on the crossbeam at the top of the frame 1, directly above the welding station. The welding structure is fixed to the nut of the ball screw via a connecting seat. When the servo motor is started, it can drive the welding structure to move precisely up and down in the vertical direction.

[0058] At the bottom of the welded structure, the positioning structure 6 consists of four positioning structures 6 evenly distributed around the hot melt structure 5. The positions of the positioning structures 6 correspond to the positions of the mounting holes for the display buttons on the display box. When the welded structure descends, the positioning pins are first inserted into the mounting holes for the display buttons to achieve precise positioning of the display buttons.

[0059] During operation, the device places the monitor box to be welded on the welding station, which has positioning protrusions to secure the monitor box by aligning its edges with these protrusions. Once secured, the display buttons are placed in their preset positions. The device is then activated; the first drive unit 2 lowers the welding structure, and the positioning structure 6 inserts into the display button mounting holes for positioning. The hot melt head then contacts the welding post of the display button, and hot melt welding is performed at a set temperature. After welding, the first drive unit 2 raises the welding structure, and the operator removes the welded product, completing one welding operation. This device uses the positioning structure 6 to precisely position the display buttons, avoiding misalignment issues that can occur with manual placement. This effectively ensures welding accuracy and quality, solving the problem of high product defect rates caused by inaccurate positioning in traditional manual welding. Furthermore, the device uses the first drive unit 2 to automatically complete the welding operation, replacing manual welding, reducing reliance on manual labor, lowering labor costs, and avoiding the efficiency decline caused by fatigue during manual welding, significantly improving production efficiency. It also reduces the risk of burns to operators, improving operational safety.

[0060] Example 2

[0061] This embodiment is an improvement on embodiment 1.

[0062] like Figures 1-7As shown, in this embodiment, the welding structure includes a welding body 3, and the positioning structure 6 includes an elastic element 61 and a limiting head 62. The elastic element 61 is fixed to the bottom of the welding body 3, and the limiting head 62 is detachably disposed at the end of the elastic element 61 away from the welding body 3.

[0063] Specifically, the bottom of the welding body 3 has a pre-reserved mounting groove for fixing the elastic element 61 of the positioning structure 6. The elastic element 61 is a cylindrical helical spring. One end of the spring is fixed in the mounting groove at the bottom of the welding body 3 by bolts, and the other end is detachably mounted with a limit head 62 by a threaded connection. The limit head 62 can be made of wear-resistant engineering plastic, and its end shape is adapted to the positioning hole on the display button.

[0064] When the device is in operation, as the first driving device 2 drives the welding structure to descend, the limiting head 62 first contacts the display button and inserts into the positioning hole. As the welding structure continues to descend, the elastic element 61 is compressed, generating an elastic force that causes the limiting head 62 to tightly fit the display button, achieving elastic positioning of the display button and effectively preventing the display button from loosening or shifting during the welding process. Simultaneously, the hot-melt structure 5 at the bottom of the welding body 3 slowly contacts the welding column under the buffering effect of the elastic element 61, performing hot-melt welding. After welding is completed, the welding structure rises, the elastic element 61 returns to its original state, and the limiting head 62 separates from the display button.

[0065] In this embodiment, the positioning structure 6 uses the elastic force of the elastic element 61 to make the limiting head 62 fit tightly against the display button. This not only ensures the stability of the display button during the welding process and prevents it from shifting, but also acts as a buffer when the welding structure descends, avoiding hard damage to the display button and improving the stability of the welding quality.

[0066] In this embodiment, multiple hot-melt structures 5 and positioning structures 6 are provided on the welding body 3, and each hot-melt structure 5 corresponds to the position of each display button.

[0067] In this embodiment, multiple hot-melt structures 5 are provided, and each hot-melt structure 5 corresponds one-to-one with each display button position. This allows for simultaneous welding of multiple welding columns, significantly improving welding efficiency and solving the problem of low efficiency in traditional manual welding. It is especially suitable for welding cabinets with multiple welding columns, meeting the requirements of high-efficiency production.

[0068] Example 3

[0069] This embodiment is an improvement on embodiment 1.

[0070] like Figures 1-7As shown, in this embodiment, the hot-melt structure 5 includes a hot-melt body, in which a heating element 52 is disposed, and the heating element 52 is wrapped with a heat insulation layer 53.

[0071] A heat-conducting column 51 is provided at the bottom of the hot melt body, and the heat-conducting column 51 is connected to the heating element 52.

[0072] In this embodiment, the heat-conducting pillar 51 is cylindrical or conical, and the heat-conducting pillar 51 is connected to the welding pillar during welding.

[0073] In this embodiment, during the welding operation, the display buttons are placed in a preset position on the display box. The heating element 52 of the hot melt body is energized and heated. The heat is transferred to the heat-conducting pillar 51 through the silver solder joint, causing the temperature at the top of the heat-conducting pillar 51 to rise rapidly to 200℃ (±5℃). The cylindrical heat-conducting pillar 51 contacts the conventional solder pillar surface of the display box, achieving large-area hot melt welding. The tip of the conical heat-conducting pillar 51 first contacts the irregularly shaped solder pillar. After correcting minor misalignment through the conical guiding effect, welding is completed through the side. The heat insulation layer controls the outer surface temperature of the hot melt body below 50℃, preventing heat from diffusing to the display button body and the area contacted by the operator.

[0074] The heat insulation layer 53 in this embodiment effectively blocks heat diffusion, protecting the plastic body of the display buttons from high-temperature damage and controlling the outer surface temperature within a safe range, eliminating the risk of burns to operators upon contact and improving operational safety. The heat-conducting pillar 51 adopts a combination of cylindrical and conical designs. The cylindrical shape is suitable for conventional welding pillars to ensure welding area, while the conical shape is suitable for irregularly shaped welding pillars and has a self-positioning function, reducing misalignment problems caused by differences in welding pillar shape and improving the device's adaptability to different product models.

[0075] Example 4

[0076] This embodiment is an improvement on embodiment 1.

[0077] like Figures 1-7 As shown, in this embodiment, the welding body 3 includes a heat insulation plate 31 and a heat conduction plate 32. The heat insulation plate 31 is fixedly connected to the output end of the first driving device 2. The heat conduction plate 32 is disposed on one side of the heat insulation plate 31, and a heating rod 321 is disposed on the heat conduction plate 32.

[0078] Both the positioning structure 6 and the hot-melting structure 5 are disposed on the heat-conducting plate 32.

[0079] In this embodiment, a plurality of temperature sensing elements 322 are provided on the heat-conducting plate 32, and the temperature sensing elements 322 are used to monitor the temperature of the heat-conducting plate 32.

[0080] In practical applications, the heat-conducting plate 32 is also equipped with four temperature-sensing elements 322 (K-type thermocouples), which are installed near the two ends and the middle of the heating rod 321. The detection end of the temperature-sensing element 322 is in close contact with the surface of the heat-conducting plate 32, and the output end is connected to the temperature control module through a shielded wire to monitor the temperature change of the heat-conducting plate 32 in real time. The monitoring accuracy can reach ±1℃.

[0081] In actual operation, the heating rod 321 generates heat after being powered on, which is evenly transferred to each hot melt head through the heat-conducting plate 32, causing the hot melt head to quickly heat up to the set temperature. The temperature sensing element 322 collects the temperature data of the heat-conducting plate 32 in real time and feeds it back to the temperature control module. When the temperature exceeds the set value, the control module cuts off the power to the heating rod 321; when the temperature is lower than the set value, the power is turned back on, ensuring that the temperature of the heat-conducting plate 32 and the hot melt head remains stable within the preset range. At the same time, the heat insulation plate 31 effectively blocks the transfer of heat to the first driving device 2, avoiding the impact of high temperature on the accuracy and service life of the driving device.

[0082] The combined design of the heat insulation plate 31 and the heat conduction plate 32 in this embodiment can not only achieve uniform heat transfer through the heat conduction plate 32, ensuring that the temperature of multiple hot melt heads is consistent and improving the stability of welding quality, but also block the diffusion of heat to the drive device through the heat insulation plate 31, protecting the drive components from high temperature damage and extending the service life of the equipment.

[0083] Example 5

[0084] This embodiment is an improvement on embodiment 1.

[0085] like Figures 1-7 As shown, in this embodiment, the frame 1 is also provided with an air jet structure 4, which includes an air distribution pipe 41 and a nozzle 42. The air distribution pipe 41 is located on one side of the welding station and is connected to an external air supply device.

[0086] The nozzle 42 is disposed on the gas equalization pipe 41 and communicates with the gas equalization pipe 41, and the nozzle 42 is oriented toward the welding station.

[0087] In actual operation, after the hot-melt structure 5 completes welding and rises, the control system synchronously triggers the solenoid valve to open. Compressed air supplied by the external air supply equipment enters the air distribution pipe 41. After being evenly pressurized by the air distribution pipe 41, it is simultaneously sprayed from six nozzles 42 onto the product at the welding station (the welding point between the display buttons and the display box). After the airflow continues for a set time, the solenoid valve closes, stopping the airflow. During this process, the high-speed airflow can quickly remove the heat from the welding point.

[0088] The jet cooling structure 4, through the cooperation of the gas distribution pipe 41 and the nozzles 42, can quickly cool the weld column and surrounding area after welding, avoiding weld stringing caused by slow natural cooling, further improving welding quality, and solving the problem of untimely cooling after traditional manual welding. Automated jet cooling replaces manual waiting for cooling or manual fan cooling, shortening the welding cycle of a single product. Combined with the automatic welding function of the device, it significantly improves overall production efficiency. Furthermore, the gas distribution pipe 41 ensures uniform air pressure at each nozzle 42, and the covering spray of multiple nozzles 42 makes the welding area cooler more evenly, avoiding product deformation caused by excessively fast or slow local cooling, and ensuring the structural stability of the product.

[0089] Example 6

[0090] This embodiment is an improvement on embodiment 1.

[0091] like Figures 1-7 As shown, in this embodiment, the frame 1 includes a workbench 11, on which a guide rail 12 and a second driving device are provided. One end of the guide rail 12 is connected to the welding station. A slider 13 is provided on the guide rail 12, and a mounting plate 14 is provided on the slider 13. The mounting plate 14 is used to place the display box and the display case.

[0092] The output end of the second driving device is fixedly connected to the slider 13.

[0093] Furthermore, in this embodiment, a positioning sensor is provided on one side of the welding station, and the positioning sensor is positioned facing the guide rail 12.

[0094] Specifically, the position sensor in this application uses an Omron E3Z-D61 diffuse reflection photoelectric sensor. The position sensor consists of a transmitter, a receiver, a signal processing circuit, and a housing. The transmitter has a built-in high-brightness red LED light source that emits a visible light beam with a wavelength of 660nm. The beam spreads in a conical shape with a diffusion angle of 15°, covering the area from the end of the guide rail 12 to the edge of the welding station, ensuring effective detection of the mounting plate 14. The receiver uses a phototransistor to receive the reflected light beam and convert the optical signal into an electrical signal. The signal processing circuit is integrated inside the sensor, amplifying, filtering, and comparing the electrical signal. When the mounting plate 14 is detected, a high-level signal (NPN output type) is output; when not detected, a low-level signal is output.

[0095] In this embodiment, during actual operation, the operator places the display box and display buttons to be welded on the mounting plate 14 and initially positions them. Then, the device is activated, and the second drive device drives the slider 13 to move along the guide rail 12 towards the welding station. When the mounting plate 14 moves with the slider 13 to the preset position of the welding station, the positioning sensor detects the mounting plate 14 and sends a signal. Upon receiving the signal, the control system controls the second drive device to stop working, and the slider 13 precisely stops. At this time, the first drive device 2 drives the welding structure to descend for welding operations. After welding is completed, the welding structure rises, and the second drive device drives the slider 13 to move the mounting plate 14 and the welded product back to the initial position along the guide rail 12. The operator removes the product, completing one welding cycle. The cooperation of the workbench 11, guide rail 12, and second drive device achieves automated material transport, replacing the manual handling of materials to the welding station, reducing manual intervention, lowering the operator's labor intensity, and avoiding potential positional deviations during manual placement, thus improving the accuracy of material positioning.

[0096] The position sensor enables real-time detection of the slider 13 position. When the material reaches the preset welding position, it can promptly provide a feedback signal and control the slider 13 to stop, avoiding welding failures caused by overshooting or undershooting of the slider 13, thus improving the reliability and automation of the device operation.

[0097] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings. In the description of this application, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is usually based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this application; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0098] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0099] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, these terms have no special meaning and therefore should not be construed as limiting the scope of protection of this application. The above description is only a preferred embodiment of this utility model and is not intended to limit this utility model. For those skilled in the art, this utility model can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A display button welding device, characterized in that, include: A frame (1) is provided with a welding station for placing the workpiece to be welded; The frame (1) is also provided with a first driving device (2) and a welding structure. The first driving device (2) is located above the welding station, and the welding structure is located at the output end of the first driving device (2). The first driving device (2) drives the welding structure to move up and down above the welding station. The bottom of the welding structure is provided with a hot melt structure (5) and a positioning structure (6) for positioning the display buttons. The hot melt structure (5) is used to perform hot melt welding on the display buttons.

2. The display button welding device according to claim 1, characterized in that: The welding structure includes a welding body (3), and the positioning structure (6) includes an elastic element (61) and a limiting head (62). The elastic element (61) is fixed to the bottom of the welding body (3), and the limiting head (62) is detachably disposed at the end of the elastic element (61) away from the welding body (3).

3. The display button welding device according to claim 2, characterized in that: Multiple hot-melt structures (5) and positioning structures (6) are provided on the welding body (3), and each hot-melt structure (5) corresponds to the position of each display button.

4. The display button welding apparatus according to any one of claims 1-3, characterized in that: The hot melt structure (5) includes a hot melt body, in which a heating element (52) is disposed, and the heating element (52) is wrapped with a heat insulation layer (53); The bottom of the hot melt body is provided with a heat-conducting column (51), which is connected to the heating element (52).

5. The display button welding device according to claim 4, characterized in that: The heat-conducting column (51) is cylindrical or conical, and the heat-conducting column (51) is connected to the welding column during welding.

6. The display button welding device according to claim 2, characterized in that: The welding body (3) includes a heat insulation plate (31) and a heat conduction plate (32). The heat insulation plate (31) is fixedly connected to the output end of the first driving device (2). The heat conduction plate (32) is disposed on one side of the heat insulation plate (31). A heating rod (321) is disposed on the heat conduction plate (32). The positioning structure (6) and the hot-melt structure (5) are both disposed on the heat-conducting plate (32).

7. The display button welding device according to claim 6, characterized in that: The heat-conducting plate (32) is provided with a plurality of temperature-sensing elements (322), which are used to monitor the temperature of the heat-conducting plate (32).

8. The display button welding apparatus according to any one of claims 1-3, characterized in that: The frame (1) is also provided with a jet structure (4), which includes a gas distribution pipe (41) and a nozzle (42). The gas distribution pipe (41) is located on one side of the welding station and is connected to an external gas supply device. The nozzle (42) is disposed on the gas equalization pipe (41) and communicates with the gas equalization pipe (41), and the nozzle (42) is disposed toward the welding station.

9. The display button welding apparatus according to any one of claims 1-3, characterized in that: The frame (1) includes a workbench (11), on which a guide rail (12) and a second driving device are provided. One end of the guide rail (12) is connected to the welding station. A slider (13) is provided on the guide rail (12), and a mounting plate (14) is provided on the slider (13). The output end of the second driving device is fixedly connected to the slider (13).

10. The display button welding device according to claim 9, characterized in that: A positioning sensor is provided on one side of the welding station, and the positioning sensor is positioned facing the guide rail (12).

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