Side key assembling device

Abstract

The utility model relates to the technical field of key assembly equipment, and provides a side key assembly device, which comprises an upper die, a lower die, a lower die and a pressing plate, and is characterized in that the upper die is provided with an extrusion surface, and the extrusion surface is provided with a storage groove suitable for at least arranging a key cap; the lower die is provided with a contact surface opposite to the extrusion surface, the connecting sheet is arranged on the contact surface, and the side, away from the contact surface, of the connecting sheet is suitable for being attached to a key conductive base; wherein under the condition that the upper die and the lower die are assembled, the key conductive base is embedded in the key cap. Through cooperation of the upper die, the lower die and the connecting sheet, rapid and accurate assembly of the key conductive base and the key cap is realized; meanwhile, the side key assembling device is simple in structure, convenient to operate and suitable for batch assembling of side keys.

Description

Technical Field

[0001] The present application relates to the technical field of button assembly equipment, and in particular to a side button assembly device. Background Art

[0002] With the development of electronic technology, the use of electronic products has become increasingly popular and has become a necessity in most people's lives and work. This has led to increasing demands on electronic products. Functional buttons on some electronic products have gradually disappeared, with only side buttons such as power buttons and volume buttons being placed. These buttons typically consist of keycaps and a soft rubber portion. The keycaps are typically manufactured using computer numerical control (CNC) molding technology, while the soft rubber portion is typically injection molded using materials such as thermoplastic polyurethanes (TPU). The two are then assembled together through a dispensing process to form a complete key. Currently, the assembly of these keys involves dispensing glue on the keycaps and the soft rubber portion, then manually placing them one by one into a jig for pressing. Finally, the keys are manually removed one by one. This method is difficult, labor-intensive, inefficient, has a low yield rate, and is costly. Utility Model Content

[0003] An embodiment of the present application provides a side button assembly device to solve the problem of low button assembly efficiency in the prior art.

[0004] In a first aspect, the present application provides a side button assembly device, comprising:

[0005] An upper mold, the upper mold having an extrusion surface, the extrusion surface being provided with a receiving groove suitable for arranging at least a keycap of a key;

[0006] A lower mold and a connecting piece, wherein the lower mold has a contact surface opposite to the extrusion surface, the connecting piece is provided on the contact surface, and a side of the connecting piece facing away from the contact surface is suitable for attaching a key conductive base;

[0007] Wherein, when the upper mold and the lower mold are assembled, the key conductive base is embedded in the key cap.

[0008] In some embodiments, the key conductive base includes a conductive base and a lap portion provided on the side wall of the conductive base, and the storage groove includes a first receiving portion and a second receiving portion that are connected to each other, the first receiving portion is adapted to the key cap, and the second receiving portion is adapted to the lap portion.

[0009] In some embodiments, the upper mold further has a back surface opposite to the extrusion surface, and the upper mold is further provided with a demoulding hole passing through the back surface and the bottom wall of the first receiving portion.

[0010] In some embodiments, the extrusion surface is further provided with a taking-and-releasing groove, and the taking-and-releasing groove is connected to two symmetrical long sides of the first receiving portion.

[0011] In some embodiments, there are multiple first receiving portions, and the multiple first receiving portions are arranged in parallel along a direction perpendicular to the long side, and two adjacent first receiving portions in the same column share one taking and placing groove.

[0012] In some embodiments, the key conductive base includes a conductive substrate and a pressing portion provided on a first surface of the conductive substrate, wherein the second surface of the conductive substrate is adapted to fit the key cap, and the first surface is opposite to the second surface;

[0013] The connecting piece is provided with an auxiliary penetration hole adapted to the pressing portion, the contact surface is provided with a fixing hole adapted to the pressing portion, and the auxiliary penetration hole is aligned with the fixing hole.

[0014] In some embodiments, the connecting piece has a first adhesive surface and a second adhesive surface that are arranged opposite to each other, the first adhesive surface is provided on the contact surface, and the second adhesive surface is suitable for adhering to the key conductive base.

[0015] In some embodiments, the upper mold includes an upper mold body and a plastic part connected to each other, the upper mold body is provided with a first recessed portion adapted to the plastic part, the plastic part is provided in the first recessed portion, and the receiving groove is provided in the plastic part.

[0016] In some embodiments, one of the upper mold and the lower mold is provided with a first positioning column, and the other is provided with a first positioning hole adapted to the first positioning column; and / or,

[0017] The lower mold is provided with a second positioning column, the connecting piece is provided with a second positioning hole adapted to the second positioning column, and the upper mold is provided with a third positioning hole adapted to the second positioning column.

[0018] In some embodiments, the lower mold includes a lower mold body and a boss adapted to the connecting piece, the lower mold body is provided with a second recessed portion, and the boss is provided on the bottom wall of the second recessed portion; wherein the sum of the thickness of the boss and the connecting piece is less than or equal to the depth of the second recessed portion.

[0019] The side button assembly device provided in the embodiment of the present application realizes the rapid and accurate assembly of the button conductive base and the button keycap through the cooperation of the upper mold, the lower mold and the connecting piece; at the same time, it has a simple structure and is easy to operate, and is suitable for batch assembly of side buttons. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is one of the structural schematic diagrams of a side button assembly device provided in one embodiment of the present application.

[0022] Figure 2 This is the second structural schematic diagram of the side button assembly device provided in one embodiment of the present application.

[0023] Figure 3 This is a structural diagram of an upper mold provided in one embodiment of the present application.

[0024] Figure 4 This is a schematic structural diagram of a lower mold provided in one embodiment of the present application.

[0025] Figure 5 This is a schematic structural diagram of a connecting piece provided in one embodiment of the present application.

[0026] Figure 6 This is a structural diagram of a key conductive base provided by an embodiment of the present application.

[0027] Figure 7 This is a schematic structural diagram of a key cap provided by an embodiment of the present application.

[0028] Reference numerals:

[0029] 1. Side button assembly device;

[0030] 11. Upper mold; 111. Extrusion surface; 112. Receiving groove; 1121. First receiving portion; 1122. Second receiving portion; 113. Back surface; 114. Demolding hole; 115. First positioning hole; 116. Third positioning hole; 117. Pick-up and placement groove;

[0031] 12. Lower mold; 121. Lower mold body; 1211. Contact surface; 1212. First positioning post; 1213. Second recess; 122. Boss; 1221. Fixing hole; 1222. Second positioning post;

[0032] 13. Connecting piece; 131. First bonding surface; 132. Second positioning hole; 133. Auxiliary insertion hole;

[0033] 2. Side button; 21. Key conductive base; 211. Conductive base; 2111. First surface; 212. Pressing portion; 213. Overlapping portion; 22. Key cap; 221. Snap-fit ​​groove; 222. Overlapping groove. DETAILED DESCRIPTION

[0034] To make the technical solutions and advantages of this application more clear, the technical solutions of this application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0035] In the description of the embodiments of the present application, it should be noted that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of the embodiments of the present application and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of this application can be understood in specific circumstances.

[0037] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0038] In the description of this specification, the descriptions with reference to the terms "exemplarily", "for example" or "optional" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0039] The following combination Figures 1 to 7 The side button assembly device 1 according to an embodiment of the present application is described.

[0040] In practical applications, the side button 2 can be applied to electronic devices, wherein the electronic devices in the embodiments of the present application include but are not limited to mobile phones, tablet computers, laptop computers, PDAs, vehicle-mounted terminals, and wearable devices. The embodiments of the present application do not specifically limit the specific type of electronic devices.

[0041] like Figure 6 and Figure 7 As shown, the side button 2 includes a button conductive base 21 and a button keycap 22. The button conductive base 21 includes a conductive base 211, which has a first surface 2111 and a second surface opposite to each other. The first surface 2111 is provided with a pressing portion 212, and the side wall of the conductive base 211 is provided with an overlapping portion 213. In addition, the button keycap 22 is formed with a clamping groove 221, and the button keycap 22 is provided with an overlapping groove 222 at the notch of the clamping groove 221 that is compatible with the overlapping portion 213. In this way, glue can be applied to the clamping groove 221. After the glue is applied, the button conductive base 21 and the button keycap 22 are assembled together. At this time, the second surface of the conductive base 211 extends into the clamping groove 221, and the overlapping portion 213 overlaps in the overlapping groove 222.

[0042] like Figure 1 、 Figure 2 and Figure 3 As shown, the side button assembly device 1 of the embodiment of the present application includes: an upper mold 11, a lower mold 12 and a connecting piece 13.

[0043] The upper mold 11 has an extrusion surface 111, which is provided with a receiving groove 112 suitable for receiving at least a keycap 22. The lower mold 12 has a contact surface 1211 opposite the extrusion surface 111. The connecting piece 13 is provided on the contact surface 1211. The side of the connecting piece 13 facing away from the contact surface 1211 is suitable for attaching the key conductive base 21. When the upper mold 11 and the lower mold 12 are assembled, the key conductive base 21 is embedded in the keycap 22.

[0044] The size and shape of the receiving groove 112 are adapted to the keycap 22 to ensure that the keycap 22 can be securely placed in the receiving groove 112. In addition, the number of the receiving grooves 112 can be one or more, for example, multiple receiving grooves 112 are arranged in a rectangular array, thereby realizing batch assembly of the side buttons 2.

[0045] The following describes the assembly method of the side button assembly device 1 .

[0046] Place the keycap 22 in the receiving groove 112 of the upper mold 11;

[0047] Fix the connecting piece 13 to the contact surface 1211 of the lower mold 12, and then attach the key conductive base 21 to the side of the connecting piece 13 facing away from the contact surface 1211 to ensure a stable connection between the connecting piece 13 and the key conductive base 21;

[0048] Perform glue dispensing operation on the key cap 22;

[0049] The upper mold 11 and the lower mold 12 are closed, and the key conductive base 21 is embedded in the key cap 22 to complete the assembly and pressure maintenance of the key conductive base 21 and the key cap 22 .

[0050] The side button assembly device 1 of the embodiment of the present application realizes the rapid and accurate assembly of the button conductive base 21 and the button keycap 22 through the cooperation of the upper mold 11, the lower mold 12 and the connecting piece 13; at the same time, it has a simple structure and is easy to operate, and is suitable for batch assembly of side buttons 2.

[0051] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 and Figure 7 As shown, in an optional embodiment, the key conductive base 21 includes a conductive base 211 and a lap portion 213 provided on the side wall of the conductive base 211, and the storage groove 112 includes a first receiving portion 1121 and a second receiving portion 1122 that are connected to each other, the first receiving portion 1121 is adapted to the key cap 22, and the second receiving portion 1122 is adapted to the lap portion 213.

[0052] The size and shape of the first receiving portion 1121 match the keycap 22 to ensure that the keycap 22 can be stably placed in the first receiving portion 1121. The shape and size of the second receiving portion 1122 match the overlapping portion 213 to ensure that the overlapping portion 213 is accurately placed in the second receiving portion 1122 during assembly.

[0053] Exemplarily, the key conductive base 21 includes two pairs of overlapping portions 213, which are arranged along the length direction of the conductive base 211. The following describes one pair of overlapping portions 213. The conductive base 211 has a first side wall and a second side wall relative to each other. The first side wall is provided with one overlapping portion 213 in the pair of overlapping portions 213, and the second side wall is provided with the other overlapping portion 213 in the pair of overlapping portions 213. The two overlapping portions 213 in the pair of overlapping portions 213 are symmetrically arranged.

[0054] It should be noted that when the upper mold 11 and the lower mold 12 are closed, along the extension direction of the overlapping portion 213, the overlapping portion 213 is sequentially located in the overlapping groove 222 and the second receiving portion 1122. This arrangement can ensure the stability and accuracy of the assembly of the key conductive base 21 and the key cap 22.

[0055] like Figure 1 、 Figure 2 and Figure 3 As shown, in an optional embodiment, the upper mold 11 further has a back surface 113 opposite to the extrusion surface 111 , and the upper mold 11 is further provided with a demoulding hole 114 penetrating the back surface 113 and the bottom wall of the first receiving portion 1121 .

[0056] It should be noted that after the button conductive base 21 and the button keycap 22 are assembled, the upper mold 11 and the lower mold 12 are separated, and then the assembled side button 2 is ejected through the demoulding hole 114 .

[0057] like Figure 1 、 Figure 2 and Figure 3 As shown, in an optional embodiment, the extrusion surface 111 is further provided with a taking-and-placing groove 117 , and the taking-and-placing groove 117 is connected to two symmetrical long sides of the first receiving portion 1121 .

[0058] It should be noted that, since the pick-up and placement groove 117 is connected to the long side of the first receiving portion 1121, the operator can easily place the keycap 22 into or out of the first receiving portion 1121 through the pick-up and placement groove 117, which simplifies the picking-up and placement process and reduces the difficulty of operation; in addition, due to the existence of the pick-up and placement groove 117, the operator can complete the picking-up and placement of the keycap 22 more quickly, thereby improving the overall production efficiency.

[0059] like Figure 1 、 Figure 2 and Figure 3 As shown, in an optional embodiment, there are multiple first receiving portions 1121 , and the multiple first receiving portions 1121 are arranged in parallel along a direction perpendicular to the long side, and two adjacent first receiving portions 1121 in the same column share a receiving and placing groove 117 .

[0060] It should be noted that there can be multiple receiving slots 112 to achieve batch assembly of the side buttons 2. For example, the multiple receiving slots 112 are arranged in an array, so that the multiple first receiving portions 1121 in the same column are arranged in parallel.

[0061] Two adjacent first receiving portions 1121 share a single access slot 117. In other words, one access slot 117 can communicate with both first receiving portions 1121 simultaneously, allowing an operator to simultaneously access and place two keycaps 22 through the single access slot 117. This not only reduces the number of access slots 117 and the complexity of the upper mold 11, but also improves operational convenience.

[0062] It can be understood that the upper mold 11 can include multiple rows of first receiving portions 1121. Accordingly, each row of first receiving portions 1121 can share the same access slot 117. Figure 3 As shown, the upper mold 11 includes two rows of first receiving portions 1121, each row of first receiving portions 1121 is arranged in parallel along a direction perpendicular to the long side. The upper mold 11 includes two receiving and placing grooves 117, each row of first receiving portions 1121 shares one receiving and placing groove 117.

[0063] like Figures 1 to 7 As shown, in an optional embodiment, the key conductive base 21 includes a conductive base 211 and a pressing portion 212 disposed on a first surface 2111 of the conductive base 211. The second surface of the conductive base 211 is adapted to mate with the keycap 22, with the first surface 2111 being opposite the second surface. Furthermore, the connecting piece 13 is provided with an auxiliary insertion hole 133 adapted to mate with the pressing portion 212, and the contact surface 1211 is provided with a fixing hole 1221 adapted to mate with the pressing portion 212. The auxiliary insertion hole 133 is aligned with the fixing hole 1221.

[0064] The following describes the assembly method of the side button assembly device 1 .

[0065] Place the keycap 22 in the first receiving portion 1121 of the upper mold 11;

[0066] The connecting piece 13 is fixed to the contact surface 1211 of the lower mold 12, and the key conductive base 21 is attached to the side of the connecting piece 13 facing away from the contact surface 1211. At this time, the pressing portion 212 is sequentially inserted into the auxiliary insertion hole 133 and the fixing hole 1221 to ensure a stable connection between the connecting piece 13 and the key conductive base 21.

[0067] Perform glue dispensing on the key cap 22, and glue enters the clamping groove 221;

[0068] The upper mold 11 and the lower mold 12 are closed. At this time, the extrusion surface 111 abuts against the contact surface 1211. Along the extension direction of the overlapping portion 213, the overlapping portion 213 is located in the overlapping groove 222 and the second receiving portion 1122 in sequence. The second surface of the conductive base 211 extends into the clamping groove 221 and is bonded to the inner wall of the clamping groove 221 by glue; in other words, the key conductive base 21 can be embedded in the key keycap 22 to complete the assembly and pressure maintenance of the key conductive base 21 and the key keycap 22.

[0069] like Figure 4 、 Figure 5 and Figure 6 As shown, in an optional embodiment, the connecting piece 13 has a first bonding surface 131 and a second bonding surface that are arranged opposite to each other, the first bonding surface 131 is arranged on the contact surface 1211, and the second bonding surface is suitable for bonding the key conductive base 21.

[0070] It should be noted that the first adhesive surface 131 is provided on one side of the connecting piece 13 and is fixed to the contact surface 1211, ensuring the stability and reliability of the connecting piece 13 on the lower mold 12. This allows the connecting piece 13 to be firmly attached to the lower mold 12 and is not easily dislodged or shifted, providing a stable foundation for the subsequent assembly of the key conductive base 21 and the key cap 22.

[0071] Additionally, a second adhesive surface is located on the other side of the connecting sheet 13, opposite the first adhesive surface 131. This second adhesive surface is used to bond the key conductive base 21. During assembly, the first surface 2111 of the conductive base 211 is placed on the second adhesive surface and tightly bonded thereto. The design of the second adhesive surface ensures that the key conductive base 21 is securely attached to the connecting sheet 13, preventing it from falling off or becoming misaligned during subsequent assembly.

[0072] In an optional embodiment, the upper mold 11 includes an upper mold body and a plastic part connected to each other, the upper mold body is provided with a first recessed portion adapted to the plastic part, the plastic part is provided in the first recessed portion, and the receiving groove 112 is provided in the plastic part. The plastic part can be connected to the upper mold body by fasteners.

[0073] It should be noted that the extrusion surface 111 of the upper mold body is provided with a first recessed portion adapted to the plastic portion, which can be flush with the upper mold body. Furthermore, the interconnected first receiving portion 1121 and the second receiving portion 1122 are both provided on the plastic portion. This arrangement prevents damage to the structure of the key conductive base 21 and key cap 22 during assembly, and facilitates demolding. For example, the upper mold body is a metal structural member, while the plastic portion is a plastic part, which can be made of Teflon.

[0074] like Figure 1、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, in an optional embodiment, one of the upper mold 11 and the lower mold 12 is provided with a first positioning column 1212 , and the other is provided with a first positioning hole 115 adapted to the first positioning column 1212 .

[0075] It should be noted that during the assembly of the side button 2, the upper mold 11 and the lower mold 12 must be precisely closed to ensure that the conductive base 21 and the keycap 22 are accurately aligned and assembled together. When the upper mold 11 and the lower mold 12 are closed, the first positioning post 1212 is inserted into the first positioning hole 115, thereby ensuring that the relative position of the two is accurate.

[0076] This arrangement improves assembly accuracy and stability, and reduces assembly defects caused by position deviation. Secondly, it simplifies the assembly process, as the operator only needs to close the upper mold 11 and the lower mold 12 according to the positions of the positioning columns and positioning holes, without the need for complex adjustments.

[0077] In addition, the number, position, and shape of the first positioning posts 1212 and first positioning holes 115 can be adjusted according to actual needs to accommodate the assembly requirements of different models of side buttons 2. For example, first positioning holes 115 are provided at the four corners of the upper mold 11, and first positioning posts 1212 are provided at the four corners of the lower mold 12.

[0078] In order to further improve the mold closing accuracy, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, in an optional embodiment, the lower mold 12 is provided with a second positioning post 1222, the connecting piece 13 is provided with a second positioning hole 132 adapted to the second positioning post 1222, and the upper mold 11 is provided with a third positioning hole 116 adapted to the second positioning post 1222. Alternatively, the upper mold 11 is provided with a second positioning post 1222, the connecting piece 13 is provided with a second positioning hole 132 adapted to the second positioning post 1222, and the lower mold 12 is provided with a third positioning hole 116 adapted to the second positioning post 1222.

[0079] In particular, when the lower mold 12 is provided with the second positioning post 1222 and the connecting piece 13 is provided with the second positioning hole 132 adapted to the second positioning post 1222, the stability of the connecting piece 13 on the contact surface 1211 can be ensured to prevent the connecting piece 13 from moving relative to the contact surface 1211. The height of the second positioning post 1222 is greater than the thickness of the connecting piece 13, so that the second positioning post 1222 can simultaneously position the connecting piece 13 and the upper mold 11.

[0080] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, in an optional embodiment, the lower mold 12 includes a lower mold body 121 and a boss 122 adapted to the connecting piece 13, the lower mold body 121 is provided with a second recessed portion 1213, and the boss 122 is provided on the bottom wall of the second recessed portion 1213; wherein, the sum of the thickness of the boss 122 and the connecting piece 13 is less than or equal to the depth of the second recessed portion 1213.

[0081] Among them, the second positioning column 1222 can be set on the boss 122. For example, the four top corners of the boss 122 are each provided with a second positioning column 1222. Correspondingly, the four top corners of the connecting piece 13 are each provided with a second positioning hole 132 adapted to the second positioning column 1222.

[0082] It should be noted that the sum of the thicknesses of the boss 122 and the connecting piece 13 is less than or equal to the depth of the second recess 1213. In other words, when the connecting piece 13 is placed on the boss 122, the combined thickness of the two does not exceed the depth of the second recess 1213. This arrangement helps ensure that the upper mold 11 and the lower mold 12 can be smoothly closed during the assembly process, and that the connecting piece 13 is not subjected to excessive pressure to prevent deformation.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A side button assembly device, characterized in that: include: An upper mold, the upper mold having an extrusion surface, the extrusion surface being provided with a receiving groove suitable for arranging at least a keycap of a key; A lower mold and a connecting piece, wherein the lower mold has a contact surface opposite to the extrusion surface, the connecting piece is provided on the contact surface, and a side of the connecting piece facing away from the contact surface is suitable for attaching a key conductive base; Wherein, when the upper mold and the lower mold are assembled, the key conductive base is embedded in the key cap.

2. The side button assembly device according to claim 1, characterized in that: The key conductive base includes a conductive base and a lap portion provided on the side wall of the conductive base. The receiving groove includes a first receiving portion and a second receiving portion that are connected to each other. The first receiving portion is adapted to the key cap, and the second receiving portion is adapted to the lap portion.

3. The side button assembly device according to claim 2, characterized in that: The upper mold further comprises a back surface opposite to the extrusion surface, and the upper mold is further provided with a demoulding hole penetrating the back surface and the bottom wall of the first receiving portion.

4. The side button assembly device according to claim 2, characterized in that: The extrusion surface is further provided with a taking-and-putting groove, and the taking-and-putting groove is communicated with two symmetrical long sides of the first receiving portion.

5. The side button assembly device according to claim 4, characterized in that: There are a plurality of the first receiving portions, and the plurality of the first receiving portions are arranged in parallel along a direction perpendicular to the long side. Two adjacent first receiving portions in the same column share one taking and placing groove.

6. The side button assembly device according to claim 1, characterized in that: The key conductive base includes a conductive base and a pressing portion provided on a first surface of the conductive base, wherein the second surface of the conductive base is adapted to the key cap, and the first surface is opposite to the second surface; The connecting piece is provided with an auxiliary penetration hole adapted to the pressing portion, the contact surface is provided with a fixing hole adapted to the pressing portion, and the auxiliary penetration hole is aligned with the fixing hole.

7. The side button assembly device according to any one of claims 1 to 6, characterized in that: The connecting piece has a first adhesive surface and a second adhesive surface that are arranged opposite to each other. The first adhesive surface is arranged on the contact surface, and the second adhesive surface is suitable for adhering to the key conductive base.

8. The side button assembly device according to any one of claims 1 to 6, characterized in that: The upper mold includes an upper mold body and a plastic part connected to each other. The upper mold body is provided with a first recessed part adapted to the plastic part. The plastic part is arranged in the first recessed part, and the receiving groove is provided in the plastic part.

9. The side button assembly device according to any one of claims 1 to 6, characterized in that: One of the upper die and the lower die is provided with a first positioning post, and the other is provided with a first positioning hole adapted to the first positioning post; and / or, The lower mold is provided with a second positioning column, the connecting piece is provided with a second positioning hole adapted to the second positioning column, and the upper mold is provided with a third positioning hole adapted to the second positioning column.

10. The side button assembly device according to any one of claims 1 to 6, characterized in that: The lower mold includes a lower mold body and a boss adapted to the connecting piece, the lower mold body is provided with a second recessed portion, and the boss is provided on the bottom wall of the second recessed portion; wherein the sum of the thickness of the boss and the connecting piece is less than or equal to the depth of the second recessed portion.

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