Hanging lug printing bottom die device

Abstract

The utility model provides a hanger printing bottom die device, and belongs to the technical field of printing auxiliary devices. The hanging lug printing bottom die device comprises a die holder and a die block, the die block is arranged on the upper end face of the die holder, the die block is used for penetrating into the open end of a hanging lug shell so that the lower end of the hanging lug shell can abut against the die holder, a positioning boss is arranged on the die block in a protruding mode, and the positioning boss is used for being embedded into at least one open hole of the hanging lug shell so as to be attached to the inner wall of the open hole. A fool-proof block is arranged on one side of the module and is used for being correspondingly embedded into a notch in the side wall of the hanging lug shell. According to the hanging lug printing bottom die device, the placement stability of a hanging lug shell is guaranteed through the modules and the die holder; and meanwhile, through the arrangement of a positioning boss and a fool-proof block, mounting dislocation of the hanging lug shell is avoided, the mounting accuracy of the hanging lug shell is further improved, and then the positioning accuracy of the identification symbol during printing is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of printing auxiliary devices, and in particular relates to a bottom die device for hanging ear printing. Background Art

[0002] For electronic devices such as portable computers or mobile hard drives, it is usually necessary to connect cables or insert external devices such as storage elements during use. In order to facilitate the connection of electronic devices to external devices, electronic devices are generally provided with interfaces. At the same time, in order to facilitate the identification of the interface type, an identification symbol is printed on the shell of the interface.

[0003] At present, identification symbols at the interfaces of electronic devices are usually printed using printing equipment. However, it can be seen from the Chinese utility model patent with application number "201621200890.1" and the Chinese utility model patent with application number "202420314923.3" that most of the existing printing equipment is designed to achieve printing on the surface of flat structures. Since three-dimensional structures such as hanging ears are prone to movement after placement, there are great difficulties in the existing printing equipment when printing on the surface of three-dimensional structures. The positioning accuracy of the identification symbols is low, which can easily lead to the printing of the identification symbols being misplaced or even not printed. Utility Model Content

[0004] The technical problem to be solved by the utility model is how to ensure the positioning accuracy of identification symbols when the hanging ears are printed. In view of the shortcomings of the existing technology, a hanging ear printing bottom mold device is provided.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] The utility model provides an ear hook printing bottom mold device, comprising a mold base and a module, wherein the module is arranged on the upper end surface of the mold base, and the module is used to penetrate the open end of the ear hook shell so that the lower end of the ear hook shell is abutted against the mold base. A positioning boss is convexly provided on the module, and the positioning boss is used to be embedded in at least one opening of the ear hook shell to fit with the inner wall of the opening. An anti-foolproof block is provided on one side of the module, and the anti-foolproof block is used to be correspondingly embedded in the notch of the side wall of the ear hook shell.

[0007] Compared with the prior art, the beneficial effects of the present invention include: a mold base and a module are arranged to form an ear hanging printing bottom mold device, wherein the module is arranged on the upper end surface of the mold base, and the module can be inserted into the open end of the ear hanging shell, so that the lower end of the ear hanging shell is against the mold base, so that the ear hanging shell can be preliminarily positioned by the module, and the ear hanging shell can be supported by the mold base, thereby ensuring the placement stability of the ear hanging shell; on this basis, a positioning boss is convexly set on the module, and the positioning boss can be embedded in at least one opening of the ear hanging shell, so that the positioning boss can be matched with the opening to ensure the stability of the ear hanging shell. The combination realizes the precise positioning of the ear hanging shell, ensures the stability of the ear hanging shell during the printing process, and further ensures the positioning accuracy of the identification symbol when printing; at the same time, an anti-fool block is provided on one side of the module, and when the ear hanging shell is installed on the module, the anti-fool block can be correspondingly embedded in the notch of the side wall of the ear hanging shell, so that not only the ear hanging shell can be further positioned through the cooperation between the notch and the anti-fool block, but also the installation misalignment of the ear hanging shell can be avoided through the correspondence between the anti-fool block and the notch, thereby further improving the installation accuracy of the ear hanging shell, and further ensuring the positioning accuracy of the identification symbol when printing.

[0008] Optionally, the edge of the upper end surface of the module is recessed downward to form a notch, the notch is opened horizontally, the inner wall shape of the notch is consistent with the shape of the protrusion on the inner wall of the ear shell, and the notch is used for the protrusion to be placed therein.

[0009] Optionally, in the vertical direction, the recessed depth of the upper portion of the notch along the horizontal direction is greater than the recessed depth of the lower portion of the notch along the horizontal direction, so as to form a step in the middle portion of the notch along the vertical direction.

[0010] Optionally, a guide groove is provided on the inner wall of the groove, the guide groove passes through the module along the vertical direction, and is arranged away from the module opening along the horizontal direction. The inner wall surface of the guide groove is a curved surface, and the guide groove is used for the guide protrusion on the inner wall of the ear shell to penetrate.

[0011] Optionally, the notch and the fool-proof block are respectively located on two opposite sides of the module along the horizontal direction;

[0012] And / or, the inner walls of two adjacent grooves of the notch are smoothly transitioned through rounded corners.

[0013] Optionally, the positioning boss includes a first boss, the cross-sectional shape of the first boss is polygonal, there are multiple first bosses, the multiple first bosses are distributed on the upper end surface of the module at intervals, and are used to be embedded in the multiple first type holes of the opening in a one-to-one correspondence.

[0014] Optionally, the positioning boss includes a second boss, the cross-section of the second boss is a curved edge, and the second boss is used to be embedded in the second type of hole of the opening.

[0015] Optionally, the outer shape of the module matches the shape of the inner wall of the ear hanging shell, and after the module is inserted into the open end of the ear hanging shell, the outer wall of the module fits with the inner wall of the ear hanging shell.

[0016] Optionally, a positioning groove is provided on the upper end surface of the mold base, and the positioning groove is located on one side of the module and is used for the raised portion of the lower end surface of the ear hook shell to be placed therein, so that the flush portion of the lower end surface of the ear hook shell is against the upper end surface of the mold base.

[0017] Optionally, a buckle is provided on the mold base, and when the module is inserted into the open end of the ear hanging shell, the buckle and the side wall of the module are used to cooperate with each other to clamp the side wall of the ear hanging shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below with reference to the accompanying drawings.

[0019] Figure 1 : Corresponding diagram of the ear hanging printing bottom mold device and the ear hanging shell in the embodiment of the present utility model;

[0020] Figure 2 : Assembly diagram of the ear hanging printing bottom mold device and the ear hanging shell in the embodiment of the present utility model;

[0021] Figure 3 : A structural diagram of the ear-hanging printing bottom mold device in an embodiment of the present invention.

[0022] Among them, 1-mold base, 11-positioning groove, 2-module, 21-positioning boss, 211-first boss, 212-second boss, 22-anti-foolproof block, 23-slot, 231-step, 232-guide groove, 3-ear shell, 31-opening, 311-first type hole, 312-second type hole, 32-notch, 33-protrusion, 34-guide protrusion, 35-protrusion, 36-flush part. DETAILED DESCRIPTION

[0023] To better understand the present invention, the following examples further illustrate the present invention. However, the present invention is not limited to the following examples. In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be practiced without one or more of these details.

[0024] It should be noted that the Z-axis in the accompanying drawings represents the vertical direction, that is, the up-down position, and the positive direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom; the Y-axis in the accompanying drawings represents the horizontal direction and is designated as the front-back position, and the positive direction of the Y-axis represents the front side, and the reverse direction of the Y-axis represents the back side; the X-axis in the accompanying drawings represents the left-right position, and the positive direction of the X-axis represents the right side, and the reverse direction of the X-axis represents the left side. It should also be noted that the aforementioned Z-axis, Y-axis, and X-axis are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.

[0025] The term "including" and its variations used in this document are open inclusions, that is, "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiments". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc. mentioned in this utility model are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0026] It should be noted that the modifications of "one" and "multiple" mentioned in the present invention are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0027] An embodiment of the present invention provides a bottom mold device for ear hook printing, comprising a mold base 1 and a module 2. The module 2 is arranged on the upper end surface of the mold base 1. The module 2 is used to penetrate the open end of the ear hook shell 3 so that the lower end of the ear hook shell 3 is against the mold base 1. A positioning boss 21 is convexly provided on the module 2. The positioning boss 21 is used to be embedded in at least one opening 31 of the ear hook shell 3 to fit with the inner wall of the opening 31. An anti-foolproof block 22 is provided on one side of the module 2. The anti-foolproof block 22 is used to be correspondingly embedded in the notch 32 of the side wall of the ear hook shell 3.

[0028] Specifically, the mold base 1 and the module 2 are integrally formed, and the module 2 and the positioning boss 21 are integrally formed.

[0029] In this optional embodiment, if Figure 1As shown, a die base 1 and a module 2 are provided to form a bottom die device for ear hanging printing, wherein the module 2 is provided on the upper end surface of the die base 1, and the module 2 can be inserted into the open end of the ear hanging shell 3, so that the lower end of the ear hanging shell 3 is against the die base 1. In this way, the ear hanging shell 3 can be preliminarily positioned by the module 2, and the ear hanging shell 3 can be supported by the die base 1, thereby ensuring the placement stability of the ear hanging shell 3; on this basis, a positioning boss 21 is protruded on the module 2, as shown in FIG. Figure 2 As shown, the positioning boss 21 can be embedded in at least one opening 31 of the ear hook shell 3, so that the ear hook shell 3 can be accurately positioned by the mutual cooperation between the positioning boss 21 and the opening 31, thereby ensuring the stability of the ear hook shell 3 during the printing process, and thus ensuring the positioning accuracy of the identification symbol when printing; at the same time, an anti-foolproof block 22 is provided on one side of the module 2. When the ear hook shell 3 is installed on the module 2, the anti-foolproof block 22 can be correspondingly embedded in the notch 32 on the side wall of the ear hook shell 3. This arrangement can not only further position the ear hook shell 3 through the cooperation between the notch 32 and the anti-foolproof block 22, but also avoid the installation misalignment of the ear hook shell 3 through the correspondence between the anti-foolproof block 22 and the notch 32, further improving the installation accuracy of the ear hook shell 3, and thus ensuring the positioning accuracy of the identification symbol when printing.

[0030] Optionally, the edge of the upper end surface of the module 2 is recessed downward to form a notch 23, and the notch 23 is opened in the horizontal direction. The shape of the inner wall of the notch 23 is consistent with the shape of the protrusion 33 on the inner wall of the ear shell 3, and the notch 23 is used for the protrusion 33 to be placed therein.

[0031] In this optional embodiment, in order to facilitate the assembly between the ear shell 3 and the module 2, as shown in FIG. Figure 1 and Figure 3 As shown, the edge of the upper end surface of the module 2 is recessed downward to form a notch 23, and the notch 23 is set to open in the horizontal direction. The shape of the inner wall of the notch 23 is consistent with the appearance of the protrusion 33 on the inner wall of the ear hanging shell 3, and can be used for the protrusion 33 to be placed. With this arrangement, when the ear hanging shell 3 is installed on the module 2, the notch 23 can accommodate the protrusion 33, avoiding interference between the protrusion 33 and the module 2, ensuring the placement stability of the ear hanging shell 3, and at the same time, the cooperation between the protrusion 33 and the notch 23 can further avoid the installation misalignment of the ear hanging shell 3, further improve the installation accuracy of the ear hanging shell 3, and thereby ensure the positioning accuracy of the identification symbol when printing.

[0032] Optionally, in the vertical direction, the depression depth of the upper portion of the notch 23 along the horizontal direction is greater than the depression depth of the lower portion of the notch 23 along the horizontal direction, so as to form a step 231 in the middle portion of the notch 23 along the vertical direction.

[0033] In this optional embodiment, in order to further ensure that the ear hanging shell 3 is installed in place, Figure 3As shown, the depth of the depression in the upper part of the notch 23 along the horizontal direction is greater than the depth of the depression in the lower part of the notch 23 along the horizontal direction, so that a step 231 can be formed in the middle part of the notch 23 along the vertical direction. With this arrangement, when the ear shell 3 is installed on the module 2, as the module 2 and the ear shell 3 move relative to each other, the protrusion 33 can gradually approach the step 231 and finally abut against the step 231, so that the step 231 limits the protrusion 33 in the vertical direction to ensure the vertical position accuracy of the ear shell 3, thereby ensuring that the ear shell 3 is installed in place.

[0034] Optionally, a guide groove 232 is provided on the inner wall of the groove 23, the guide groove 232 passes through the module 2 in the vertical direction, and is arranged to be away from the opening of the module 2 in the horizontal direction. The inner wall surface of the guide groove 232 is a curved surface, and the guide groove 232 is used for the guide protrusion 34 on the inner wall of the ear shell 3 to penetrate.

[0035] In this optional embodiment, in order to ensure smooth installation of the ear hanging housing 3, as shown in FIG. Figure 1 and Figure 3 As shown, a guide groove 232 is provided on the inner wall of the notch 23. The guide groove 232 passes through the module 2 in the vertical direction and is arranged in the horizontal direction away from the opening of the module 2. At the same time, the inner wall surface of the guide groove 232 is a curved surface. The guide groove 232 is used for the guide protrusion 34 on the inner wall of the ear hanging shell 3 to penetrate. In this way, during the installation of the ear hanging shell 3 on the module 2, the guide groove 232 set in the curved surface cooperates with the guide protrusion 34 to guide the movement of the ear hanging shell 3, thereby ensuring smooth installation of the ear hanging shell 3.

[0036] Optionally, the notch 23 and the fool-proof block 22 are respectively located on opposite sides of the module 2 in the horizontal direction; and / or, the inner walls of two adjacent notches 23 are smoothly transitioned through rounded corners.

[0037] In this optional embodiment, if Figure 1 and Figure 3 As shown, the notch 23 and the anti-mistake block 22 are respectively located on opposite sides of the module 2 in the horizontal direction. This arrangement can achieve precise positioning of the ear shell 3 through the alignment of the structures on both sides of the module 2 and the ear shell 3, thereby ensuring the positioning accuracy of the identification symbol during printing.

[0038] In this optional embodiment or other optional embodiments of the present invention, the inner walls of two adjacent grooves of the notch 23 are smoothly transitioned through rounded corners. This arrangement can avoid interference between the notch 23 and the protrusion 33, thereby ensuring smooth installation of the ear hook shell 3.

[0039] Optionally, the positioning boss 21 includes a first boss 211, the cross-sectional shape of the first boss 211 is polygonal, there are multiple first bosses 211, and the multiple first bosses 211 are spaced apart and distributed on the upper end surface of the module 2, and are used to be embedded in the multiple first type holes 311 of the opening 31 one by one.

[0040] Specifically, there is a first type hole 311 on the ear hook shell 3 for the connector with a polygonal cross-section to pass through. For example, the cross-section of the first type hole 311 is rectangular; there are two first bosses 211, which are arranged at intervals in the horizontal direction.

[0041] In this optional embodiment, if Figure 1 and Figure 2 As shown, the positioning boss 21 includes a first boss 211, wherein the cross-sectional shape of the first boss 211 is a polygon, and there are multiple first bosses 211, and the multiple first bosses 211 are spaced apart and distributed on the upper end surface of the module 2. When the ear shell 3 is installed on the module 2, the first boss 211 can be embedded one by one in the first type hole 311 of the opening 31, so that the ear shell 3 can be installed in place and the position positioning of the ear shell 3 is realized at the same time.

[0042] Optionally, the positioning boss 21 includes a second boss 212 . The cross-section of the second boss 212 is a curved edge. The second boss 212 is configured to be embedded in the second type hole 312 of the opening 31 .

[0043] Specifically, there is a second type hole 312 on the ear hanging housing 3 for the connector with a curved cross-section to pass through. For example, the cross-section of the second type hole 312 is circular or elliptical.

[0044] In this optional embodiment, if Figure 1 and Figure 2 As shown, the positioning boss 21 includes a second boss 212, and the cross-sectional shape of the second boss 212 is a curved edge. When the ear shell 3 is installed on the module 2, the second boss 212 can be embedded in the second type hole 312 of the opening 31, so that the ear shell 3 can be installed in place and the position of the ear shell 3 is realized at the same time.

[0045] Optionally, the outer shape of the module 2 matches the inner wall shape of the ear hanging shell 3 , and after the module 2 passes through the open end of the ear hanging shell 3 , the outer wall of the module 2 fits with the inner wall of the ear hanging shell 3 .

[0046] In this optional embodiment, in order to further ensure the accurate positioning of the ear shell 3 on the mold base 1, as shown in FIG. Figure 1As shown, the outer shape of the module 2 matches the inner wall shape of the ear hanging shell 3. This arrangement can facilitate the installation of the ear hanging shell 3 on the module 2; on this basis, after the module 2 passes through the open end of the ear hanging shell 3, the outer wall of the module 2 fits with the inner wall of the ear hanging shell 3. This arrangement can limit the movement of the ear hanging shell 3 through the outer wall of the module 2, thereby ensuring that the position of the ear hanging shell 3 on the mold base 1 is accurate.

[0047] Optionally, a positioning groove 11 is provided on the upper end surface of the mold base 1, which is located on one side of the module 2 and is used for the raised portion 35 of the lower end surface of the ear shell 3 to be placed therein, so that the flush portion 36 of the lower end surface of the ear shell 3 is against the upper end surface of the mold base 1.

[0048] In this optional embodiment, in order to further facilitate the installation of the ear shell 3 on the module 2, as shown in FIG. Figures 1 to 3 As shown, since the lower end surface of the ear hook shell 3 is composed of a raised portion 35 and a flush portion 36, wherein the raised portion 35 is higher than the flush portion 36, when the raised portion 35 abuts against the end surface of the mold base 1, the flush portion 36 has not yet moved into place. Therefore, a positioning groove 11 is provided on the upper end surface of the mold base 1. The positioning groove 11 is located on one side of the module 2. When the ear hook shell 3 is installed, the positioning groove 11 can be used for the raised portion 35 of the lower end surface of the ear hook shell 3 to be placed, so that the flush portion 36 of the lower end surface of the ear hook shell 3 abuts against the upper end surface of the mold base 1. This arrangement can effectively ensure the installation stability of the ear hook shell 3 on the module 2, which is convenient for the subsequent printing of identification symbols.

[0049] Optionally, a buckle is provided on the mold base 1 , and when the module 2 passes through the open end of the ear hanging shell 3 , the buckle and the side wall of the module 2 are used to cooperate to clamp the side wall of the ear hanging shell 3 .

[0050] Specifically, the buckle can be a plastic buckle or a metal buckle.

[0051] In this optional embodiment, to further ensure the stable installation of the ear housing 3 on the module 2, a clip is provided on the mold base 1. When the module 2 is inserted into the open end of the ear housing 3, the clip cooperates with the sidewalls of the module 2 to clamp the sidewalls of the ear housing 3. This arrangement prevents the ear housing 3 from moving vertically through the clip's clamping action, thereby ensuring the stable installation of the ear housing 3 on the module 2 and facilitating the subsequent printing of identification symbols.

[0052] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A bottom die device for ear hanging printing, characterized by: The invention comprises a mold base (1) and a module (2), wherein the module (2) is arranged on the upper end surface of the mold base (1), and the module (2) is used to penetrate the open end of the ear hanging shell (3) so that the lower end of the ear hanging shell (3) is against the mold base (1); a positioning boss (21) is provided on the module (2), and the positioning boss (21) is used to be embedded in at least one opening (31) of the ear hanging shell (3) so as to fit with the inner wall of the opening (31); an anti-fool block (22) is provided on one side of the module (2), and the anti-fool block (22) is used to be correspondingly embedded in the notch (32) of the side wall of the ear hanging shell (3).

2. The bottom mold device for ear hanging printing according to claim 1, characterized in that: The edge of the upper end surface of the module (2) is recessed downward to form a notch (23), the notch (23) is opened in the horizontal direction, the inner wall shape of the notch (23) is consistent with the outer shape of the protrusion (33) on the inner wall of the ear hanging shell (3), and the notch (23) is used for the protrusion (33) to be placed.

3. The lug printing bottom mold device according to claim 2, characterized in that: In the vertical direction, the recessed depth of the upper portion of the notch (23) along the horizontal direction is greater than the recessed depth of the lower portion of the notch (23) along the horizontal direction, so as to form a step (231) in the middle portion of the notch (23) along the vertical direction.

4. The lug printing bottom mold device according to claim 3, characterized in that: A guide groove (232) is provided on the inner wall of the notch (23); the guide groove (232) penetrates the module (2) along the vertical direction and is arranged away from the module (2) opening along the horizontal direction; the inner wall surface of the guide groove (232) is a curved surface; the guide groove (232) is used for allowing the guide protrusion (34) on the inner wall of the ear hanging shell (3) to penetrate.

5. The lug printing bottom mold device according to claim 2, characterized in that: The notch (23) and the fool-proof block (22) are respectively located on two opposite sides of the module (2) along the horizontal direction; And / or, the inner walls of two adjacent grooves of the notch (23) are smoothly transitioned through rounded corners.

6. The bottom mold device for ear hanging printing according to any one of claims 1 to 5, characterized in that: The positioning boss (21) includes a first boss (211), the cross-sectional shape of the first boss (211) is polygonal, and there are multiple first bosses (211). The multiple first bosses (211) are spaced apart and distributed on the upper end surface of the module (2), and are used to be embedded in the multiple first type holes (311) of the opening (31) in a one-to-one correspondence.

7. The bottom mold device for ear hanging printing according to any one of claims 1 to 5, characterized in that: The positioning boss (21) comprises a second boss (212), the cross-section of the second boss (212) being a curved edge, and the second boss (212) being used for being embedded in the second type hole (312) of the opening (31).

8. The bottom mold device for ear hanging printing according to any one of claims 1 to 5, characterized in that: The outer shape of the module (2) matches the inner wall shape of the ear hanging shell (3); after the module (2) is inserted into the open end of the ear hanging shell (3), the outer wall of the module (2) fits the inner wall of the ear hanging shell (3).

9. The bottom mold device for ear hanging printing according to claim 8, characterized in that: A positioning groove (11) is provided on the upper end surface of the mold base (1). The positioning groove (11) is located on one side of the module (2) and is used for receiving the raised portion (35) on the lower end surface of the ear hanging shell (3) so that the flush portion (36) on the lower end surface of the ear hanging shell (3) abuts against the upper end surface of the mold base (1).

10. The bottom mold device for ear hanging printing according to any one of claims 1 to 5, characterized in that: The mold base (1) is provided with a buckle, and when the module (2) is inserted into the open end of the ear hanging shell (3), the buckle and the side wall of the module (2) are used to cooperate and clamp the side wall of the ear hanging shell (3).

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