Welding device for packaging shell

Abstract

The utility model discloses a welding device for a packaging shell, which belongs to the technical field of welding equipment and comprises a base, a welding component and a press-fit component, and the base is provided with an accommodating groove with an upward opening; the welding assembly comprises a non-stick layer, an energy supply device and a heating piece, the energy supply device and the heating piece are connected, the heating piece is connected to the upper end of the base and arranged around the outer edge of the containing groove, the non-stick layer covers the upper end of the heating piece, and the energy supply device is configured to supply energy to the heating piece so that the heating piece can generate heat; the pressing assembly comprises a lifting driver and a pressing base, the pressing base is located above the base, the lifting driver is connected with the pressing base so as to drive the pressing base to get close to or get away from the base, the pressing base can apply pressure to the base, welding of the lower-layer rubber frame and the upper-layer rubber frame is achieved through cooperation of temperature and pressure, and the device is particularly suitable for packaging shells of electronic products.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, and in particular to a welding device for packaging shells. Background Technology

[0002] Some products require packaging by welding the lower and upper plastic frames together, so that the product is sandwiched between the lower and upper plastic frames.

[0003] In related technologies, the high-frequency electromagnetic field of a high-frequency welding machine is commonly used to weld the lower and upper plastic frames together. However, for electronic products, which contain electronic components such as circuit boards, high-frequency electromagnetic fields can easily have adverse effects. Therefore, it is not suitable to use a high-frequency welding machine to weld the packaging shell of electronic products. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a welding device for packaging shells, which, through the combination of temperature and pressure, can achieve the welding of the lower and upper plastic frames, and is particularly suitable for packaging shells of electronic products.

[0005] The packaging shell welding device according to an embodiment of the present invention includes: a base having an upward-facing receiving groove; a welding assembly including a non-adhesive layer, a connected power supply and a heating element, the heating element being connected to the upper end of the base and disposed around the outer edge of the receiving groove, the non-adhesive layer covering the upper end of the heating element, the power supply being configured to supply power to the heating element to generate heat; and a pressing assembly including a lifting driver and a pressing seat, the pressing seat being located above the base, the lifting driver being connected to the pressing seat to drive the pressing seat to move closer to or away from the base, the pressing seat being able to apply pressure to the heating element.

[0006] The packaging shell welding device according to the present invention has at least the following beneficial effects: The packaging shell welding device is suitable for electronic products packaged using a lower and upper plastic frame. The base has an upward-facing receiving groove. A heating element is connected to the upper end of the base and arranged around the outer edge of the receiving groove. The lower plastic frame, the product, and the upper plastic frame can be stacked sequentially into the receiving groove from bottom to top. The outer edges of the lower and upper plastic frames are stacked and overlap to the outer edge of the receiving groove. Under the power supply of the power supply to the heating element, the heating element generates heat. A non-stick layer covers the upper end of the heating element, and the heating element generates heat. The heat can be applied to the edge of the lower frame through the non-stick layer. The non-stick layer prevents the frame from softening and sticking to the top of the base. The lifting driver can drive the pressure seat to move closer to the base. The pressure seat can apply pressure to the area of ​​the base corresponding to the heating element. Under pressure, the outer edge of the lower frame is tightly fitted with the outer edge of the upper frame. Combined with the heat provided by the heating element, the outer edges of the lower and upper frames are fused together. This packaging shell welding device achieves the welding of the lower and upper frames through the combination of temperature and pressure, and is especially suitable for packaging shells of electronic products.

[0007] According to some embodiments of this utility model, the power supply is a pulse generator, which is used to apply pulse current to the heating element.

[0008] Specifically, the power supply is a pulse generator, which generates a high-energy pulse current and applies it to the heating element. The Joule heat generated when the pulse current flows through the heating element is used to heat and weld the lower and upper plastic frames. The welding device of this packaging shell uses pulse heating, which has high heating efficiency and meets the needs of mass production.

[0009] According to some embodiments of the present invention, the heating element is arranged in a ring and surrounds the receiving groove.

[0010] To ensure a tight fit between the upper and lower plastic frames and prevent the product from detaching from the packaging shell, the welding device of the packaging shell has a ring-shaped heating element that surrounds the receiving groove. This ring-shaped heating element heats the outer edges of both the lower and upper plastic frames, ensuring a complete fit between them. This improves the airtightness of the finished packaging shell and achieves a better waterproof effect.

[0011] According to some embodiments of this utility model, the pressure seat is provided with a ring-shaped pressure strip, which is arranged opposite to the heating element, and the pressure strip can apply pressure to the heating element.

[0012] To improve the fit between the upper and lower plastic frames, the welding device of the packaging shell has a ring-shaped pressure strip on its pressure seat. After the heating plate ring-heats the outer edges of the lower and upper plastic frames, the ring-shaped pressure strip can press the outer edges of the lower and upper plastic frames together under the drive of the lifting driver. This ensures that the outer edges of the lower and upper plastic frames are fully fitted, which helps to improve the airtightness of the formed packaging shell and achieve a better waterproof effect.

[0013] According to some embodiments of this utility model, a conductive element is provided inside the base, one end of which is connected to the heating element and the other end is connected to the power supply.

[0014] The base contains a conductive component. One end of the conductive component is connected to the heating element, and the other end is connected to the power supply. The power supply can apply a pulse current to the conductive component, which then conducts the current to the heating element, enabling the heating element to generate heat and achieve the welding of the lower and upper rubber frames.

[0015] According to some embodiments of the present invention, the welding device for the packaging shell further includes multiple limiting posts, which are connected to the upper end of the base and arranged around the receiving groove.

[0016] To achieve the positioning of the lower and upper plastic frames, as well as the positioning of the lower plastic frame and the receiving groove, the welding device of the packaging shell also includes multiple limiting posts. The multiple limiting posts are connected to the upper end of the base and arranged around the receiving groove. By abutting against the outer edge of the lower plastic frame, the positioning accuracy of the lower plastic frame and the receiving groove, as well as the positioning accuracy of the lower plastic frame and the upper plastic frame, is improved, so that the lower and upper plastic frames are welded into a packaging shell, which is beneficial to improving the packaging effect of the packaging shell.

[0017] According to some embodiments of this utility model, the non-adhesive layer is Teflon tape.

[0018] Specifically, the non-adhesive layer is Teflon tape. After the user connects the heating element to the upper part of the base, the Teflon tape can be pasted according to the shape and length of the heating element so that the Teflon tape covers the upper part of the heating element. Through the barrier of the Teflon tape, the problem of the plastic frame softening and sticking to the upper part of the base can be avoided, thus maintaining the integrity of the plastic frame and improving the packaging effect.

[0019] According to some embodiments of the present invention, the lower surface of the pressure seat has a Teflon coating.

[0020] Specifically, to prevent the plastic frame from softening and sticking to the pressure seat, the lower surface of the pressure seat has a Teflon coating. The Teflon tape acts as a barrier, allowing the pressure seat to separate smoothly from the plastic frame, thus maintaining the integrity of the plastic frame and improving the packaging effect.

[0021] According to some embodiments of the present invention, the welding device for the packaging shell further includes a base plate located below the pressure seat, and the lower end of the base plate is detachably connected to the upper end of the base plate.

[0022] The welding device for the packaging shell also includes a base plate located below the pressure seat. The base plate provides support for the base and bears the downward pressure of the pressure seat. The lower end of the base is detachably connected to the upper end of the base plate, so that users can make bases of different specifications according to different product specifications. By disassembling and assembling the base and the base plate, it can be adapted to the welding of packaging shells of different specifications, which helps to improve the applicability of the welding device for the packaging shell.

[0023] According to some embodiments of the present invention, the base has multiple receiving grooves, the heating element and the non-stick layer together constitute a welding component, multiple welding components are provided, and the welding components correspond one-to-one with the receiving grooves, and multiple pressure seats are provided, and the pressure seats correspond one-to-one with the receiving grooves.

[0024] Specifically, the base has multiple receiving slots, and the heating element and non-stick layer constitute the welding components. The welding components correspond one-to-one with the receiving slots, meaning that the welding device of this packaging shell can process multiple packaging shells simultaneously. Multiple lower plastic frames, products, and upper plastic frames are stacked sequentially from bottom to top in multiple receiving slots. Multiple pressing seats are provided, and each pressing seat corresponds one-to-one with the receiving slots. The multiple pressing seats can press together multiple lower plastic frames and multiple upper plastic frames, which helps to improve the efficiency of packaging electronic products.

[0025] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0027] Figure 1 This is a schematic diagram of the structure of a welding device for a packaging shell according to an embodiment of the present invention.

[0028] Figure 2 This is a schematic diagram of the structure of the packaging shell welding device according to an embodiment of the present invention, showing the separation of the lower glue shell and the upper glue frame from the receiving groove.

[0029] Figure 3 This is a partial enlarged view of the receiving groove and heating plate of the welding device for the packaging shell according to an embodiment of the present invention;

[0030] Figure 4 This is a longitudinal sectional view of a welding device for a packaging shell according to an embodiment of the present invention.

[0031] Icon labels:

[0032] 100. Base; 110. Receiving slot;

[0033] 200. Welding assembly; 210. Heating element; 220. Power supply unit;

[0034] 300. Pressing assembly; 310. Lifting driver; 320. Pressing base; 321. Pressing strip;

[0035] 400. Conductive components;

[0036] 500, Limiting post;

[0037] 600. Base plate. Detailed Implementation

[0038] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0039] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0041] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0042] Reference Figures 1 to 4 As shown, an embodiment of the present invention provides a welding device for a packaging shell, suitable for electronic products packaged in a packaging shell. The packaging shell includes a lower frame and an upper frame. The electronic product is placed between the lower and upper frames, and the electronic product is fully covered by welding the lower and upper frames. The welding device for the packaging shell includes a base 100, a welding assembly 200, and a pressing assembly 300.

[0043] Reference Figure 1 , Figure 2 and Figure 3 As shown, specifically, the base 100 has an upward-facing receiving groove 110. The lower frame, the product, and the upper frame can be stacked sequentially into the receiving groove 110 from bottom to top. Considering that the lower frame has a cavity for accommodating electronic products, it has a downward-protruding convex part. The receiving groove 110 can be used to avoid the convex part to facilitate the stacking of the lower and upper frames. The outer edges of the lower and upper frames are stacked and overlap to the outer edge of the receiving groove 110.

[0044] Reference Figure 2 , Figure 3 and Figure 4 As shown, the welding assembly 200 includes a non-stick layer, a connected power supply 220, and a heating element 210. The heating element 210 is connected to the upper end of the base 100 and is disposed around the outer edge of the receiving groove 110. The non-stick layer covers the upper end of the heating element 210. The power supply 220 is configured to supply power to the heating element 210, causing the heating element 210 to generate heat. Under the power supply action of the power supply 220 to the heating element 210, the heating element 210 can generate heat. The heat generated by the heating element 210 can be transferred to the edge of the lower adhesive frame through the non-stick layer. The non-stick layer can prevent the lower adhesive frame from softening and adhering to the upper end of the base 100.

[0045] Reference Figure 2 , Figure 3 and Figure 4 As shown, the pressing assembly 300 includes a lifting driver 310 and a pressing base 320. The pressing base 320 is located above the base 100. The lifting driver 310 is connected to the pressing base 320 to drive the pressing base 320 closer to or further away from the base 100. The pressing base 320 can apply pressure to the heating element 210. The lifting driver 310 can drive the pressing base 320 closer to the base 100, and the pressing base 320 can apply pressure to the area of ​​the base 100 corresponding to the heating element 210. Under the pressure, the outer edge of the lower adhesive frame is tightly fitted with the outer edge of the upper adhesive frame. Combined with the heat provided by the heating element 210, the outer edges of the lower adhesive frame and the outer edges of the upper adhesive frame are fused together.

[0046] Reference Figure 2 , Figure 3 and Figure 4As shown, the welding device for this packaging shell achieves the welding of the lower and upper plastic frames through the combination of temperature and pressure, making it particularly suitable for packaging shells of electronic products. Compared to traditional equipment that uses high-frequency waves to weld plastic frames, the welding device for the packaging shell provided in this embodiment of the invention can avoid the adverse effects of high-frequency electromagnetic fields on electronic components such as circuit boards, making it especially suitable for packaging electronic products.

[0047] Reference Figure 2 , Figure 3 and Figure 4 As shown, it should be noted that the lifting driver 310 is a linear drive mechanism such as an electric push rod, pneumatic push rod, hydraulic push rod, or lead screw slider structure.

[0048] Reference Figure 2 , Figure 3 and Figure 4 As shown, it can be understood that the power supply 220 is a pulse generator, which is used to apply pulse current to the heating element 210. The pulse generator is used to generate a high-energy pulse current and apply the pulse current to the heating element 210. The Joule heat generated when the pulse current flows through the heating element 210 is used to achieve the heating and welding of the lower and upper adhesive frames.

[0049] Reference Figure 2 , Figure 3 and Figure 4 As shown, the welding device of the packaging shell uses short-duration, high-energy thermal pulses to achieve the heating effect. These thermal pulses typically have high energy density and can transfer energy to the heating element 210 in a very short time. That is, the pulse heating method has high heating efficiency and meets the needs of mass production.

[0050] Reference Figure 2 , Figure 3 and Figure 4 As shown, it is understandable that in order to achieve a tight fit between the upper and lower adhesive frames and prevent the product from coming out of the packaging shell, the welding device of the packaging shell has the heating plate 210 arranged in a ring shape. The ring-shaped heating plate 210 is arranged around the receiving groove 110 to achieve ring heating of the outer edges of the lower and upper adhesive frames, so that the outer edges of the lower and upper adhesive frames are fully fitted together. This helps to improve the airtightness of the package shell after molding and achieve a better waterproof effect.

[0051] Reference Figure 1 , Figure 2 and Figure 4As shown, it should be noted that the width of the heating element 210 can be made according to the width of the outer edge of the lower frame and the outer edge of the upper frame. The width of the heating element 210 is less than or equal to the width of the outer edge of the lower frame or the outer edge of the upper frame, which is beneficial to improving the bonding effect between the outer edge of the lower frame and the upper edge of the upper frame.

[0052] Reference Figure 1 , Figure 2 and Figure 4 As shown, it can be understood that in order to improve the fit between the upper and lower adhesive frames, the pressure seat 320 is provided with a ring-shaped pressure strip 321. The pressure strip 321 is arranged opposite to the heating element 210 and can apply pressure to the heating element 210.

[0053] After the heating element 210 performs annular heating on the outer edges of the lower and upper plastic frames, the ring-shaped pressure strip 321, driven by the lifting driver 310, presses the outer edges of the lower and upper plastic frames together, ensuring a complete fit between the outer edges of the lower and upper plastic frames. This improves the airtightness of the formed packaging shell and achieves a better waterproof effect.

[0054] Reference Figure 1 , Figure 2 and Figure 4 As shown, it should be noted that the width of the pressure strip 321 can be adapted to the width of the heating element 210, that is, the width of the pressure strip 321 is close to the width of the heating element 210. By heating the outer edges of the lower and upper rubber frames, and with the pressure strip 321 pressing the outer edges of the lower and upper rubber frames together, a tight fit between the outer edges of the lower and upper rubber frames can be achieved.

[0055] Reference Figure 1 , Figure 2 and Figure 4 As shown, it can be understood that the base 100 is provided with a conductive element 400. One end of the conductive element 400 is connected to the heating element 210, and the other end is connected to the power supply 220. The other end of the conductive element 400 can be electrically connected to the power supply 220 through a conductive wire. The power supply 220 can apply a pulse current to the conductive element 400, which is then conducted to the heating element 210, so that the heating element 210 can generate heat to achieve the welding of the lower and upper rubber frames.

[0056] Reference Figure 1 , Figure 2 and Figure 4As shown, the upper end of the conductive element 400 is exposed above the upper end of the base 100, and the lower end of the heating element 210 is in close contact with the upper end of the conductive element 400. The other end of the conductive element 400 extends through the side wall of the base 100 to facilitate electrical connection between the conductive element 400 and the power supply 220 via a conductive wire. A non-stick layer covers the upper ends of the conductive element 400 and the heating element 210, which can position the heating element 210 and the upper end of the conductive element 400, ensuring electrical connection between the heating element 210 and the conductive element 400. The base 100 can be made of insulating material to reduce the risk of accidental contact with electricity by the user.

[0057] Reference Figure 1 , Figure 2 and Figure 4 As shown, it should be noted that both the conductive element 400 and the heating element 210 are made of metal materials to enable the conduction of pulse current.

[0058] Reference Figure 1 , Figure 2 and Figure 4 As shown, it can be understood that in order to achieve the positioning of the lower adhesive frame and the upper adhesive frame, as well as the positioning of the lower adhesive frame and the receiving groove 110, the welding device of the packaging shell also includes a plurality of limiting posts 500. The plurality of limiting posts 500 are connected to the upper end of the base 100 and arranged around the receiving groove 110. By the abutting of the limiting posts 500 with the outer edge of the lower adhesive frame, the positioning accuracy of the lower adhesive frame and the receiving groove 110, as well as the positioning accuracy of the lower adhesive frame and the upper adhesive frame, are improved.

[0059] Reference Figure 1 , Figure 3 and Figure 4 As shown, specifically, multiple limiting posts 500 together form a placement space. The outline of the placement space is adapted to the outline of the lower and upper rubber frames. By the contact between the limiting posts 500 and the outer edge of the lower rubber frame, the positioning accuracy of the lower rubber frame and the receiving groove 110, as well as the positioning accuracy of the lower rubber frame and the upper rubber frame, are improved.

[0060] It should be understood that in some other embodiments, the pressure seat 320 is provided with a plurality of downward-facing through holes, and the through holes are provided one-to-one with the limiting post 500. When the pressure seat 320 is close to the base 100, the limiting post 500 can be inserted into the through hole, thereby avoiding the problem of the limiting post 500 obstructing the downward pressure of the pressure seat 320.

[0061] Reference Figure 1 , Figure 2 and Figure 4As shown, it can be understood that in this embodiment, the non-adhesive layer is specifically Teflon tape. After the user connects the heating element 210 to the upper end of the base 100, the Teflon tape can be pasted according to the shape and length of the heating element 210, so that the Teflon tape covers the upper end of the heating element 210. Through the barrier of the Teflon tape, the problem of the glue frame softening and sticking to the upper end of the base 100 can be avoided, thus maintaining the integrity of the glue frame and improving the packaging effect of electronic products.

[0062] Reference Figure 1 , Figure 2 and Figure 4 As shown, it is understandable that, specifically, in order to avoid the problem of the plastic frame softening and sticking to the pressure seat 320, the lower surface of the pressure seat 320 has a Teflon coating. Through the barrier of the Teflon tape, the pressure seat 320 and the plastic frame can be separated smoothly, thus maintaining the integrity of the plastic frame and improving the packaging effect.

[0063] Reference Figure 1 , Figure 2 and Figure 4 As shown, it is understood that the welding device for the packaging shell also includes a base plate 600 located below the pressure seat 320. The base plate 600 can provide support for the base 100 and bear the downward pressure of the pressure seat 320. The lower end of the base 100 is detachably connected to the upper end of the base plate 600, so that users can make bases 100 of different specifications according to different product specifications. By disassembling and assembling the base 100 and the base plate 600, it can be adapted to the welding of packaging shells of different specifications, which helps to improve the applicability of the welding device for the packaging shell.

[0064] Reference Figure 1 , Figure 2 and Figure 4 As shown, specifically, multiple screw holes can be provided at the base plate 600, and mounting holes are provided at the base 100. The welding device of the packaging shell also includes a threaded component. The user can align the mounting hole with the screw holes at different positions, thereby changing the mounting position of the base 100 on the base plate 600. The user can pass the threaded component through the mounting hole and screw it into the screw hole, thereby fixing the base 100 to the base plate 600.

[0065] Reference Figure 1 , Figure 2 and Figure 4 As shown, it can be understood that the base 100 has multiple receiving slots 110, the heating element 210 and the non-stick layer together constitute a welding component, multiple welding components are provided, and the welding components correspond one-to-one with the receiving slots 110. Multiple pressure seats 320 are provided, and the pressure seats 320 correspond one-to-one with the receiving slots 110.

[0066] Reference Figure 1 , Figure 2 and Figure 4 As shown, specifically, the base 100 has three receiving slots 110, and three welding components are provided. The three welding components are respectively set in the three receiving slots 110. The heating elements 210 of the three welding components are all electrically connected to the power supply 220. Correspondingly, three pressure seats 320 are provided, and the three pressure seats 320 are respectively used to set in the three receiving slots 110. That is, the welding device of this packaging shell can simultaneously realize the production of packaging shells for three electronic products, which is conducive to improving the packaging efficiency of electronic products.

[0067] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A welding device for packaging shells, characterized in that, include: The base (100) has an upward-opening receiving groove (110); A welding assembly (200) includes a non-stick layer, a connected power supply (220), and a heating element (210), the heating element (210) being connected to the upper end of the base (100) and disposed around the outer edge of the receiving groove (110), the non-stick layer covering the upper end of the heating element (210), and the power supply (220) being configured to supply power to the heating element (210) to generate heat. The pressing assembly (300) includes a lifting driver (310) and a pressing base (320), the pressing base (320) being located above the base (100), the lifting driver (310) being connected to the pressing base (320) to drive the pressing base (320) closer to or further away from the base (100), the pressing base (320) being able to apply pressure to the heating element (210).

2. The welding device for packaging shells according to claim 1, characterized in that: The power supply (220) is a pulse generator, which is used to apply pulse current to the heating element (210).

3. The welding device for packaging shells according to claim 2, characterized in that: The heating element (210) is arranged in a ring and surrounds the receiving groove (110).

4. The welding device for the packaging shell according to claim 3, characterized in that: The pressure base (320) is provided with a ring-shaped pressure strip (321), which is arranged opposite to the heating element (210) and can apply pressure to the heating element (210).

5. The welding device for packaging shells according to claim 1, characterized in that: The base (100) is provided with a conductive element (400), one end of which is connected to the heating element (210) and the other end is connected to the power supply (220).

6. The welding device for packaging shells according to claim 1, characterized in that: It also includes a plurality of limiting posts (500), which are connected to the upper end of the base (100) and arranged around the receiving groove (110).

7. The welding device for packaging shells according to claim 1, characterized in that: The non-adhesive layer is Teflon tape.

8. The welding device for packaging shells according to claim 1, characterized in that: The lower surface of the pressure seat (320) has a Teflon coating.

9. The welding device for packaging shells according to claim 1, characterized in that: It also includes a base plate (600) located below the pressure seat (320), and the lower end of the base (100) is detachably connected to the upper end of the base plate (600).

10. The welding device for packaging shells according to claim 1, characterized in that: The base (100) has a plurality of receiving grooves (110), the heating element (210) and the non-stick layer together constitute a welding component, a plurality of welding components are provided, and the welding components correspond one-to-one with the receiving grooves (110), a plurality of pressure seats (320) are provided, and the pressure seats (320) correspond one-to-one with the receiving grooves (110).

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