CN223083632U - Die-cut mould in cell-phone backshell mould - Google Patents
Die-cut mould in cell-phone backshell mould Download PDFInfo
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- CN223083632U CN223083632U CN202422067467.XU CN202422067467U CN223083632U CN 223083632 U CN223083632 U CN 223083632U CN 202422067467 U CN202422067467 U CN 202422067467U CN 223083632 U CN223083632 U CN 223083632U
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Abstract
本实用新型涉及冲切模具技术领域，尤其是涉及一种手机后壳模内冲切模具；包括下模座及上模座，下模座顶部固定安装有下模仁，下模仁顶部设有第一冲切避让腔，第一冲切避让腔设有第一夹持凸部；上模座可上下移动安装于下模座顶部，上模座底部固定安装有上模仁，上模仁设有切料部；上模仁底部可上下移动安装有第二夹持凸部，切料部位于第二夹持凸部外侧；上模仁与下模仁开模后，第二夹持凸部底部低于切料部底部。与现有技术相比，通过设置的第一夹持凸部及第二夹持凸部即可完成对手机后壳的夹持定位，不需要额外设置定位治具对手机后壳进行定位，从而简化了模内冲切模具的整体结构，降低了模内冲切模具的制造成本，且有利于提升手机后壳的冲切效率。
The utility model relates to the technical field of punching molds, and in particular to an in-mold punching mold for a mobile phone back shell; it comprises a lower mold base and an upper mold base, a lower mold core is fixedly installed on the top of the lower mold base, a first punching avoidance cavity is provided on the top of the lower mold core, and a first clamping convex portion is provided in the first punching avoidance cavity; an upper mold base can be moved up and down and installed on the top of the lower mold base, an upper mold core is fixedly installed on the bottom of the upper mold base, and the upper mold core is provided with a cutting portion; a second clamping convex portion is movably installed on the bottom of the upper mold core, and the cutting portion is located outside the second clamping convex portion; after the upper mold core and the lower mold core are opened, the bottom of the second clamping convex portion is lower than the bottom of the cutting portion. Compared with the prior art, the clamping and positioning of the mobile phone back shell can be completed by setting the first clamping convex portion and the second clamping convex portion, and there is no need to set an additional positioning fixture to position the mobile phone back shell, thereby simplifying the overall structure of the in-mold punching mold, reducing the manufacturing cost of the in-mold punching mold, and being conducive to improving the punching efficiency of the mobile phone back shell.
Description
Technical Field
The utility model relates to the technical field of punching dies, in particular to a punching die in a back shell die of a mobile phone.
Background
In the field of automation, a die cutting process is involved, the die cutting process is used for cutting the edges of the product films, and the existing die cutting equipment generally adopts a structure similar to a stamping process, namely, the edges of the product films placed between the upper die and the lower die are cut through the mutual matching of the upper die and the lower die.
In order to ensure the die cutting quality, the product needs to be positioned and fixed firstly, the existing die cutting equipment needs to be provided with a positioning jig on a lower die holder, and the positioning jig needs to be provided with a power output part independently, such as a cylinder and other driving parts to drive a clamping block to clamp and fix the product in multiple directions.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of utility model
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a die-cutting die for die-cutting of a back shell of a mobile phone, which effectively solves the technical problem of complex structure of the die-cutting die for die-cutting of the back shell of the mobile phone in the prior art.
The technical scheme is that the die-cutting die in the back shell of the mobile phone comprises a lower die holder and an upper die holder, wherein a lower die core is fixedly arranged at the top of the lower die holder, a first die-cutting avoiding cavity is formed in the top of the lower die core, a first clamping convex part is arranged in the first die-cutting avoiding cavity, the upper die holder can be installed at the top of the lower die holder in a vertically movable mode, an upper die core is fixedly arranged at the bottom of the upper die holder, a blanking part is arranged in the upper die core, a second clamping convex part is installed at the bottom of the upper die core in a vertically movable mode, the blanking part is located outside the second clamping convex part, and after the upper die core and the lower die core are opened, the bottom of the second clamping convex part is lower than the bottom of the blanking part.
The die-cutting die for the mobile phone rear shell has the beneficial effects that during operation, the upper die holder is driven to move for a first stroke relative to the lower die holder, so that the first clamping convex part and the second clamping convex part jointly clamp the mobile phone rear shell;
Compared with the prior art, the mobile phone rear shell clamping and positioning device has the advantages that the mobile phone rear shell clamping and positioning can be completed through the arranged first clamping convex part and the second clamping convex part, the mobile phone rear shell is positioned without additionally arranging a positioning jig, the integral structure of the in-die punching die is simplified, the manufacturing cost of the in-die punching die is reduced, meanwhile, the upper die holder is controlled to carry out first stroke displacement and second stroke displacement, the mobile phone rear shell clamping and positioning and water gap material punching can be completed, the positioning and punching procedures are simple, and the mobile phone rear shell punching efficiency is improved.
The upper die core is provided with a first limiting cavity, the bottom of the upper die core is provided with a first limiting window communicated with the first limiting cavity, the second clamping convex part is movably arranged in the first limiting window, and the top of the second clamping convex part is provided with a second limiting part which can be moved in the first limiting cavity.
As a preferable scheme, a plurality of first elastic rubber blocks are arranged in the first limiting cavity, one end of each first elastic rubber block is propped against the top of the first limiting cavity, and the other end is propped against the top of the second limiting part.
As a preferable scheme, the upper die holder is provided with a plurality of first through holes, each first through hole is provided with a first travel limiting rod, and a first elastic rubber block is sleeved on one first travel limiting rod.
As a preferable scheme, the outer side face of the first clamping convex part is flush with the outer side face of the second clamping convex part, one side face of the blanking part facing the first limiting window is flush with the side face of the first limiting window, one side face of the blanking part, which faces away from the first limiting window, is provided with a first action inclined plane, and the first action inclined plane is inclined from bottom to top to outside.
The lower die core is provided with a plurality of first positioning rods which are arranged in a square array and protrude out of the top of the lower die core, and the bottom of the upper die core is provided with first positioning holes for the first positioning rods to be inserted.
The mobile phone rear shell comprises a first clamping convex part and a second clamping convex part, wherein the first clamping convex part is provided with a first protruding part which is used for being matched with a camera concave position of the mobile phone rear shell, and the second clamping convex part is provided with a first avoiding concave part which is matched with the first protruding part.
As a preferable scheme, also comprises
The die comprises a lower die core, a first punch and a second punch, wherein the lower die core is provided with a first mounting hole for the first punch to insert, and the first mounting hole penetrates through the bottom of the lower die core and the top of a first protruding part;
the second punch is fixedly arranged on the upper die holder, the second clamping convex part is provided with a second mounting hole for the second punch to insert, the second mounting hole penetrates through the top of the second clamping convex part and the top of the first avoidance concave part, the second punch can downwards extend through the second mounting hole, and when the upper die core and the lower die core are not matched, the bottom of the second punch is flush with the top of the first avoidance concave part.
The first punch heads are arranged in two and can be arranged on the lower die seat in a vertical moving way through the first movable plate;
The number of the second punches is the same as that of the first punches, one first punch and one second punch are vertically spaced and coaxially arranged, and the two second punches are fixedly arranged on the upper die base through the first base plate.
The lower die holder is provided with a first concave cavity, and the first movable plate can be arranged in the first concave cavity in an up-and-down moving way;
The first concave cavity is provided with a second elastic rubber block, one end of the second elastic rubber block is propped against the bottom of the first concave cavity, and the other end of the second elastic rubber block is propped against the bottom of the first movable plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a punching die in a back shell of a mobile phone according to an embodiment of the present application;
FIG. 2 is an exploded view of the in-mold punching die of the handset back shell shown in FIG. 1;
FIG. 3 is an exploded view of a part of the upper die holder and the second clamping protrusion in the die cutting die of the handset back shell shown in FIG. 1;
FIG. 4 is a top view of the in-mold punching die of the handset back shell shown in FIG. 1;
FIG. 5 is a cross-sectional view at A-A of the in-mold punching die of the handset back shell shown in FIG. 4;
FIG. 6 is an enlarged view of part A of the in-mold punching die of the handset back shell shown in FIG. 5;
FIG. 7 is a cross-sectional view at B-B of the in-mold cutting die for the backshell of the cell phone shown in FIG. 4;
fig. 8 is an enlarged view of part a of the in-mold punching die for the rear housing of the cellular phone shown in fig. 7.
Wherein, each reference sign in the figure:
10. The die comprises a lower die holder, a lower die core, 111, a first avoidance cavity, 112, a first clamping convex part, 1121, a first convex part, 113, a first positioning rod, 114, a first mounting hole, 12, a first punch, 121, a first movable plate, 13, a first concave cavity, 14, a second elastic rubber block, 15, a cushion block, 151 and a first positioning notch;
20. The die comprises an upper die holder, an upper die core, 211, a blanking part, 2111, a first action inclined plane, 212, a second clamping convex part, 2121, a second limiting part, 2122, a first avoiding concave part, 2123 and a second mounting hole;
213. A first spacing chamber; 214, a first limiting window, 215, a first elastic rubber block, 216, a first positioning hole, 22, a first perforation, 221, a first travel limiting rod, 23, a second punch, 231, and a first substrate;
30. The mobile phone comprises a mobile phone rear shell, a water gap material, a camera concave position and a camera through hole.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.
In addition to this 7, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Referring to fig. 1 to 8, a die-cut die for a back shell of a mobile phone according to an embodiment of the application will be described. The die-cutting die for the mobile phone rear shell 30 comprises a lower die holder 10 and an upper die holder 20.
The upper die holder 20 is arranged at the top of the lower die holder 10 in a vertically movable mode, the upper die holder 21 is fixedly arranged at the bottom of the upper die holder 20, the upper die holder 21 is provided with a blanking part 211, the bottom of the upper die holder 21 is provided with a second clamping convex part 212 in a vertically movable mode, the blanking part 211 is positioned at the outer side of the second clamping convex part 212, and after the upper die holder 21 and the lower die holder 11 are opened, the bottom of the second clamping convex part 212 is lower than the bottom of the blanking part 211.
In operation, the upper die holder 20 is driven to move relative to the lower die holder 10 by a first stroke to enable the first clamping convex part 112 and the second clamping convex part 212 to jointly clamp the mobile phone rear shell 30, and then the upper die holder 20 is driven to move relative to the lower die holder 10 by a second stroke to enable the blanking part 211 to move downwards relative to the second clamping convex part 212, so that the water gap material 31 at the edge of the mobile phone rear shell 30 can be punched and blanked into the first punching avoidance cavity. Compared with the prior art, the mobile phone rear shell 30 can be clamped and positioned directly through the first clamping convex part 112 and the second clamping convex part 212, and the mobile phone rear shell 30 is positioned without additionally arranging a positioning jig, so that the integral structure of the in-mold punching die is simplified, the manufacturing cost of the in-mold punching die is reduced, meanwhile, the upper die holder 20 is controlled to carry out first stroke displacement and second stroke displacement, the mobile phone rear shell 30 can be clamped and positioned and the water gap material 31 is punched, the positioning and punching procedures are simple, and the mobile phone rear shell 30 punching efficiency is improved.
In some embodiments of the present application, the upper mold core 21 is provided with a first limiting cavity 213, the first limiting cavity 213 penetrates through the top of the upper mold core 21, the bottom of the upper mold core 21 is provided with a first limiting window 214 communicating with the first limiting cavity 213, the second clamping protrusion 212 is movably installed in the first limiting window 214, and the top of the second clamping protrusion 212 is provided with a second limiting portion 2121 movable in the first limiting cavity 213. A plurality of first elastic rubber blocks 215 are installed in the first limiting chamber 213, one end of each first elastic rubber block 215 abuts against the top of the first limiting chamber 213, and the other end abuts against the top of the second limiting portion 2121.
It can be understood that, after the upper die holder 20 moves downward for the first stroke relative to the lower die holder 10, the first clamping protrusion 112 and the second clamping protrusion 212 can simultaneously clamp the back shell, and then the second clamping protrusion 212 moves upward in the first limiting window during the second stroke relative to the lower die holder 10 continuously, so that the blanking portion 211 cuts the back shell 30 of the mobile phone clamped between the first clamping protrusion 112 and the second clamping protrusion 212, cuts the water gap material 31 at the edge of the back shell 30 of the mobile phone from the back shell 30 of the mobile phone and transfers the cut water gap material 31 into the first avoiding cavity, so as to facilitate the subsequent cleaning of the water gap material 31.
Specifically, the upper die holder 20 is provided with a plurality of first through holes 22, each first through hole 22 is provided with a first travel limiting rod 221, and a first elastic rubber block 215 is sleeved on one first travel limiting rod 221. The lower mold core 11 is provided with a plurality of first positioning rods 113, the plurality of first positioning rods 113 are arranged in a square array and protrude out of the top of the lower mold core 11, and the bottom of the upper mold core 21 is provided with a first positioning hole 216 for inserting the first positioning rods 113. When the upper die holder 20 moves away from the lower die holder 10, the second clamping protrusion 212 is moved downward by the first elastic rubber block to complete the reset. When the upper die holder 20 moves downward relative to the lower die holder 10, the upper die core 21 can be clamped with the lower die core 11, and at this time, the first positioning rod 113 is inserted into the first positioning hole 216, so as to maintain the positions of the upper die core 21 and the lower die core 11 when and after clamping, and thus, the problem of misalignment is not easy to occur.
Preferably, the mobile phone rear shell blanking device further comprises a cushion block 15, wherein the cushion block 15 is arranged on the upper surface of the lower die core 11, the distance of the first stroke of the upper die base 20 moving downwards relative to the lower die base 10 can be changed by the aid of the arrangement of the cushion block 15, and the mobile phone rear shell 30 with different thicknesses can be blanked by changing the height of the cushion block 15 according to the mobile phone rear shell 30 with different thicknesses. In order to ensure the installation reliability of the cushion block 15, the cushion block 15 is provided with a first positioning notch 151, and after the cushion block 15 is installed on the upper surface of the lower die core 11, the first positioning rod 113 can be inserted into the first positioning notch 151 so as to maintain the position of the cushion block 15.
More specifically, the outer side surface of the first clamping protrusion 112 is flush with the outer side surface of the second clamping protrusion 212, a side surface of the blanking portion 211 facing the first limiting window 214 is flush with the side surface of the first limiting window 214, a side surface of the blanking portion 211 facing away from the first limiting window 214 is provided with a first action inclined surface 2111, and the first action inclined surface 2111 is inclined from bottom to top to outside. After the mobile phone rear shell 30 is blanked, the first action inclined plane 2111 is utilized to outwards prop up the water gap material 31, or the water gap material 31 is directly propped up to be broken, so that the water gap material 31 can be smoothly transferred into the first avoidance cavity, and the follow-up operation of cleaning the water gap material 31 becomes more convenient.
In other embodiments of the present application, the first clamping protrusion 112 is provided with a first protruding portion 1121, the first protruding portion 1121 is adapted to fit into the camera recess 32 of the mobile phone rear case 30, and the second clamping protrusion 212 is provided with a first avoiding recess 2122 adapted to the first protruding portion 1121. When the water gap material 31 is punched by the feeding mobile phone rear shell 30, the mobile phone rear shell 30 is fed onto the first clamping convex part 112 and inserted into the camera concave part 32 by the aid of the first convex part 1121 to complete the preset positioning, then after the upper die holder 20 moves downwards for a first stroke relative to the lower die holder 10, the positioning and clamping of the mobile phone rear shell 30 are completed by the aid of the cooperation of the first convex part 1121 and the first avoiding concave part 2122, the mobile phone rear shell 30 is clamped by the aid of the first clamping convex part 112 and the second clamping convex part 212, and deformation of the mobile phone rear shell 30 during punching of the water gap material 31 can be prevented.
Specifically, the die further comprises a first punch 12 and a second punch 23, the first punch 12 is mounted on the lower die holder 10 in a vertically movable manner, the lower die core 11 is provided with a first mounting hole 114 for inserting the first punch 12, the first mounting hole 114 penetrates through the bottom of the lower die core 11 and the top of the first protruding portion 1121, the first punch 12 can extend upwards through the first mounting hole 114, when the upper die core 21 and the lower die core 11 are not clamped, the top of the first punch 12 is flush with the top of the first protruding portion 1121, the second punch 23 is fixedly mounted on the upper die holder 20, the upper die core 21 is provided with a second mounting hole 2123 for inserting the second punch 23, the second mounting hole 2123 penetrates through the top of the second clamping convex portion 212 and the top of the first avoiding concave portion 2122, the second punch 23 can extend downwards through the second mounting hole 2123, and when the upper die core 21 and the lower die core 11 are not clamped, the bottom of the second punch 23 is flush with the top of the first concave portion 2122.
In more detail, when the upper die holder 20 moves down by a first stroke relative to the lower die holder 10, the first punch 12 abuts against the top surface of the rear housing 30 of the mobile phone, the second punch 23 abuts against the bottom surface of the rear housing 30 of the mobile phone, when the upper die holder 20 moves down by a second stroke relative to the lower die holder 10, the second punch 23 continues to move down to punch the through hole 33 of the camera while the first punch 12 moves down, the scraps of the through hole 33 of the camera are transferred onto the first punch 12, and after the upper die holder 20 moves away from the lower die holder 10, the second punch 23 pushes the scraps of the through hole 33 of the camera upward from the first mounting hole 114.
Further, the number of the first punches 12 is equal to the number of the first punches 12, the two first punches 12 are vertically movably mounted on the lower die holder 10 through the first movable plate 121, one first punch 12 is vertically spaced from and coaxially disposed with one second punch 23, and the two second punches 23 are fixedly mounted on the upper die holder 20 through the first base plate 231. The lower die holder 10 is provided with a first concave cavity 13, the first movable plate 121 can be installed in the first concave cavity 13 in an up-down moving mode, the first concave cavity 13 is provided with a second elastic rubber block 14, one end of the second elastic rubber block 14 abuts against the bottom of the first concave cavity 13, the other end of the second elastic rubber block abuts against the bottom of the first movable plate 121, and when the second punch 23 removes the acting force on the first punch 12, the second elastic rubber block 14 can provide elastic acting force for the first punch 12 to move the first punch 12 upwards, so that the top of the first punch 12 is flush with the top of the first protruding portion 1121.
It should be noted that, between the upper die holder 20 and the lower die holder 10, one is provided with a guide rod, and the other is provided with a guide hole into which the guide rod is inserted, so that the upper die holder 20 can be controlled to move up and down only relative to the lower die holder 10.
The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.
Claims (10)
1. A die-cutting die for a mobile phone back shell is characterized by comprising
The die comprises a lower die holder (10), a lower die core (11) is fixedly arranged at the top of the lower die core (11), a first punching avoidance cavity (111) is formed at the top of the lower die core (11), and a first clamping convex part (112) is arranged in the first punching avoidance cavity (111);
The upper die holder (20) can be arranged at the top of the lower die holder (10) in a vertically movable mode, an upper die core (21) is fixedly arranged at the bottom of the upper die holder (20), a blanking part (211) is arranged on the upper die core (21), a second clamping convex part (212) is arranged at the bottom of the upper die core (21) in a vertically movable mode, the blanking part (211) is located on the outer side of the second clamping convex part (212), and after the upper die core (21) and the lower die core (11) are opened, the bottom of the second clamping convex part (212) is lower than the bottom of the blanking part (211).
2. The die-cutting die for the back shell of the mobile phone according to claim 1, wherein the upper die core (21) is provided with a first limiting cavity (213), and a first limiting window (214) communicated with the first limiting cavity (213) is arranged at the bottom of the upper die core (21);
the second clamping convex part (212) is movably arranged in the first limiting window (214), and a second limiting part (2121) which can move in the first limiting cavity (213) is arranged at the top of the second clamping convex part (212).
3. The die-cutting die for the back shell of a mobile phone according to claim 2, wherein a plurality of first elastic rubber blocks (215) are installed in the first limiting chamber (213), one end of each first elastic rubber block (215) is abutted against the top of the first limiting chamber (213), and the other end is abutted against the top of the second limiting portion (2121).
4. The die-cutting die for a rear shell of a mobile phone according to claim 3, wherein the upper die holder (20) is provided with a plurality of first through holes (22), each first through hole (22) is provided with a first travel limiting rod (221), and a first elastic rubber block (215) is sleeved on one first travel limiting rod (221).
5. The die-cutting die for the backshell of a mobile phone according to any one of claims 2 to 4, wherein the outer side surface of the first clamping protrusion (112) is flush with the outer side surface of the second clamping protrusion (212), a side surface of the blanking portion (211) facing the first limiting window (214) is flush with the side surface of the first limiting window (214), a side surface of the blanking portion (211) facing away from the first limiting window (214) is provided with a first action inclined surface (2111), and the first action inclined surface (2111) is inclined from bottom to top to outside.
6. The die-cutting die for the back shell of the mobile phone according to claim 1, wherein the lower die core (11) is provided with a plurality of first positioning rods (113), and the plurality of first positioning rods (113) are arranged in a square array and protrude out of the top of the lower die core (11);
The bottom of the upper die core (21) is provided with a first positioning hole (216) for inserting the first positioning rod (113).
7. The in-mold die-cutting die for a rear housing of a mobile phone according to any one of claims 1 to 4, wherein the first clamping protrusion (112) is provided with a first protrusion (1121), and the first protrusion (1121) is adapted to a camera recess of the rear housing of the mobile phone;
The second clamping convex portion (212) is provided with a first avoidance concave portion (2122) which is matched with the first convex portion (1121).
8. The method for manufacturing a rear shell of a mobile phone according to claim 7, further comprising
The die comprises a lower die core (11), a first punch (12), a first bulge (1121) and a first die core (21), wherein the first punch (12) can be vertically movably arranged on the lower die base (10), the lower die core (11) is provided with a first mounting hole (114) for the first punch (12) to be inserted in, the first mounting hole (114) penetrates through the bottom of the lower die core and the top of the first bulge (1121), the first punch (12) can upwards extend through the first mounting hole (114), and when the upper die core (21) and the lower die core (11) are not matched, the top of the first punch (12) is flush with the top of the first bulge (1121);
The second punch (23) is fixedly arranged on the upper die holder (20), the second clamping convex part (212) is provided with a second mounting hole (2123) for the second punch (23) to insert, the second mounting hole (2123) penetrates through the top of the second clamping convex part (212) and the top of the first avoidance concave part (2122), the second punch (23) can downwards extend through the second mounting hole (2123), and when the upper die core (21) and the lower die core (11) are not matched, the bottom of the second punch (23) is flush with the top of the first avoidance concave part (2122).
9. The in-mold punching die for a rear shell of a mobile phone according to claim 8, wherein the number of the first punches (12) is two, and the two first punches (12) are mounted on the lower mold base (10) by a first movable plate (121) in a vertically movable manner;
The number of the second punches (23) is the same as that of the first punches (12), one first punch (12) and one second punch (23) are vertically spaced and coaxially arranged, and the two second punches (23) are fixedly arranged on the upper die holder (20) through the first base plate (231).
10. The in-mold punching die for the rear shell of the mobile phone according to claim 9, wherein the lower mold base (10) is provided with a first concave cavity (13), and the first movable plate (121) is installed in the first concave cavity (13) in an up-and-down movable manner;
the first concave cavity (13) is provided with a second elastic rubber block (14), one end of the second elastic rubber block (14) is propped against the bottom of the first concave cavity (13), and the other end is propped against the bottom of the first movable plate (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422067467.XU CN223083632U (en) | 2024-08-23 | 2024-08-23 | Die-cut mould in cell-phone backshell mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422067467.XU CN223083632U (en) | 2024-08-23 | 2024-08-23 | Die-cut mould in cell-phone backshell mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223083632U true CN223083632U (en) | 2025-07-11 |
Family
ID=96293087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422067467.XU Active CN223083632U (en) | 2024-08-23 | 2024-08-23 | Die-cut mould in cell-phone backshell mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223083632U (en) |
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2024
- 2024-08-23 CN CN202422067467.XU patent/CN223083632U/en active Active
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