Dry ice gel removing jig

Abstract

The utility model belongs to the technical field of mobile phone shell machining jigs, and particularly relates to a dry ice glue removing jig which comprises a lower die and an upper die. One end of the lower die is fixed, the lower die is provided with a containing cavity used for containing the mobile phone shell, and the inner side wall of the containing cavity is matched with the outer side wall of the mobile phone shell in outline; the upper die is provided with a movable end and is provided with an avoiding cavity penetrating through the two ends of the upper die in the thickness direction of the upper die. The fool-proof assembly comprises a connecting arm, wherein one end of the connecting arm is detachably mounted on the upper die; the positioning plate is in plug-in fit with the other end of the connecting arm; the positioning plate is provided with a bolt strip which is in plug-in fit with a hole site of the mobile phone shell; the fixed lower die and the movable upper die are adopted, the mobile phone shell is placed in the containing cavity, when the upper die and the lower die are closed, the positioning plate bolt strip ensures that the mobile phone shell is correctly placed, if gaps exist in the dies, direction adjustment is prompted, and after the mobile phone shell is correct, an inner cavity of the mobile phone shell is cleaned through dry ice, burrs are removed, the inner side is smooth, and the product quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cell phone shell processing fixture technical field especially, it relates to a dry ice clear glue fixture. BACKGROUND

[0002] In the current cell phone shell deburring process, a technology named dry ice blowing is widely used to remove burrs and burrs. This technology is mainly based on the principle of dry ice sublimation, and is usually equipped with a special dry ice spray gun. The dry ice sprayed by the dry ice spray gun will release high-pressure gas in the sublimation process. This gas can quickly impact the surface of the part, effectively removing burrs and impurities. The advantage of this dry ice deburring process is that it does not leave any chemical substances on the surface of the part, so it does not need to use solvents or water for subsequent cleaning, thereby simplifying the process flow and making it one of the current widely used surface treatment methods.

[0003] When processing products such as cell phone shells, the dry ice blowing process needs to use the corresponding clamping fixture to ensure the correct positioning of the cell phone shell and prevent misprocessing caused by incorrect clamping.

[0004] Therefore, it is particularly important to design a clamp that can effectively solve this problem. This clamp needs to accurately fix the cell phone shell to ensure its stability and accuracy during processing.

[0005] At the same time, the design of the clamp also needs to consider the convenience and safety of operation to improve production efficiency and protect the safety of operators.

[0006] By optimizing the design of the clamp, the efficiency and quality of the dry ice blowing process can be further improved, thereby providing a more reliable and efficient solution for the surface treatment of cell phone shells and other products. INVENTION CONTENTS

[0007] The utility model aims at providing a dry ice clear glue fixture, which aims to solve the technical problem that the cell phone shell may be clamped in reverse in the prior art, resulting in poor removal of burrs and burrs on the cell phone shell.

[0008] To achieve the above-mentioned purpose, the dry ice clear glue fixture provided by the utility model embodiment comprises a lower mold and an upper mold which cooperate with each other and are used for clamping a cell phone shell.

[0009] The lower mold is configured as a fixed end, and the lower mold is provided with a containing cavity for placing the cell phone shell, and the inner side wall of the containing cavity is profile-fitted with the outer side wall of the cell phone shell.

[0010] The upper mold is configured as a movable end, and the upper mold is provided with an avoidance cavity penetrating through both ends of its thickness direction,

[0011] The dry ice glue removing jig further comprises a fool-proof component for positioning the mobile phone shell;

[0012] The fool-proof component comprises:

[0013] a connecting arm, one end of the connecting arm being detachably mounted to the upper die; and

[0014] a positioning plate, the other end of the connecting arm being insertedly fitted to the positioning plate;

[0015] The positioning plate is provided with a plug-in strip which is insertedly fitted to the hole of the mobile phone shell.

[0016] Optionally,

[0017] The plug-in strip is provided with a displacement sensor, and the lower die is provided with a sensor for receiving the signal emitted by the displacement sensor.

[0018] Optionally,

[0019] The other end of the connecting arm is provided with a first threaded hole,

[0020] The positioning plate is provided with a first through hole which avoids the first threaded hole,

[0021] The fool-proof component further comprises a first fastening screw, the first fastening screw passing through the first through hole and entering the first threaded hole, so as to fix the positioning plate.

[0022] Optionally,

[0023] One end of the connecting arm is provided with a second through hole, and the positioning plate is provided with a second threaded hole corresponding to the second through hole,

[0024] The fool-proof component further comprises a second fastening screw, the second fastening screw passing through the second through hole and entering the second threaded hole, so as to fix the connecting arm.

[0025] Optionally,

[0026] The fool-proof component further comprises an elastic member;

[0027] The elastic member is located between the connecting arm and the second fastening screw,

[0028] The elastic member is close to the end of the second fastening screw with the largest diameter.

[0029] Optionally,

[0030] The inner wall of the accommodation cavity extends a plurality of baffles which are vertically directed to one end of the accommodation cavity,

[0031] The baffle covers a functional hole position on an inner side wall of the mobile phone shell.

[0032] Optionally,

[0033] The upper die comprises:

[0034] The moving plate is configured to be movable; and

[0035] The limiting plate, on which the avoiding cavity is formed, is detachably connected with the moving plate.

[0036] Optionally,

[0037] The lower die is provided with a plurality of guide columns for guiding the moving plate,

[0038] The moving plate is provided with a plurality of through holes for avoiding the guide columns,

[0039] The guide columns are matched with the through holes respectively, and control the upper die to move up and down along a linear direction to approach or move away from the lower die.

[0040] Optionally,

[0041] The lower die is further provided with at least one empty slot in communication with an external space, and the empty slot is in communication with the accommodating cavity.

[0042] Optionally, the upper die is made of a metal material, and the lower die is made of a composite material.

[0043] The dry ice glue cleaning jig provided by the embodiment of the utility model has at least one of the following technical effects:

[0044] The dry ice glue cleaning jig,

[0045] comprises a fixed lower die and an upper die moving in an up-down direction;

[0046] When the upper die is separated from the lower die, the mobile phone shell is placed in the accommodating cavity, at this time, the inner side wall of the accommodating cavity is tightly profiled with the outer side wall of the mobile phone shell to limit the outer profile of the mobile phone shell;

[0047] Then, the upper die is covered with the lower die, when the upper die is tightly profiled with the lower die, the latch strip arranged on the positioning plate is just lowered into the hole position of the mobile phone shell, at this time, the latch strip is inserted and matched with the hole position of the mobile phone shell to complete positioning, so that the direction of the mobile phone shell can be ensured to be correct, and similarly, when the upper die cannot be tightly profiled with the lower die, a large gap between the upper die and the lower die can be obviously seen, at this time, the staff is provided with a risk of incorrect placement of the mobile phone shell, so that the staff can adjust the placement direction of the mobile phone shell.

[0048] When the mobile phone shell is accurately placed into the accommodating cavity, dry ice is introduced into the avoiding cavity to clean the inner cavity of the mobile phone shell (i.e. remove burrs and flash);

[0049] In this way, the burrs and flash on the inner side of the mobile phone shell can be well removed, the inner side of the mobile phone shell is smooth and will not hurt the hand, and the quality and safety of the product are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0050] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0051] Figure 1 The structure schematic diagram of the dry ice glue cleaning jig provided by the embodiment of the present application is shown.

[0052] Figure 2 The structure schematic diagram of the upper die and the foolproof assembly provided by the embodiment of the present application is shown.

[0053] Figure 3 The structure schematic diagram of the lower die provided by the embodiment of the present application is shown.

[0054] Figure 4 The front view of the dry ice glue cleaning jig provided by the embodiment of the present application is shown.

[0055] Figure 5 The structure schematic diagram of the dry ice glue cleaning jig provided by the embodiment of the present application is shown. Figure 4

[0056] In the drawings, various reference signs represent:

[0057] 10, lower die; 11, accommodating cavity; 12, empty groove;

[0058] 20, upper die; 21, avoiding cavity; 22, baffle;

[0059] 30, foolproof assembly; 31, connecting arm; 32, positioning plate;

[0060] 33, bolt bar; 40, elastic member; 50, guide column;

[0061] 201, moving plate; 202, limiting plate; 2011, via hole. DETAILED DESCRIPTION

[0062] ​The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0063] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0064] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0065] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0066] In one embodiment of the present application, as shown in Figures 1-5 The lower die 10 is configured as a fixed end, and the lower die 10 is provided with a containing cavity 11 for placing a mobile phone shell, and the inner side wall of the containing cavity 11 is profile-fitted with the outer side wall of the mobile phone shell.

[0067] The lower die 10 is configured as a fixed end, and the lower die 10 is provided with a containing cavity 11 for placing a mobile phone shell, and the inner side wall of the containing cavity 11 is profile-fitted with the outer side wall of the mobile phone shell.

[0068] The upper die 20 is configured as a movable end, and the upper die 20 is provided with an avoiding cavity 21 penetrating through the thickness direction of both ends,

[0069] The dry ice glue cleaning jig further comprises a fool-proof component 30 for positioning the mobile phone shell;

[0070] The fool-proof component 30 comprises:

[0071] a connecting arm 31, one end of the connecting arm 31 being detachably mounted to the upper die 20, and a positioning plate 32, the other end of the connecting arm 31 being insertedly fitted to the positioning plate 32;

[0072] The positioning plate 32 is provided with a pin bar 33 insertedly fitted to the hole of the mobile phone shell.

[0073] Specifically,

[0074] The dry ice glue cleaning jig of the utility model,

[0075] comprises a fixed lower die 10 and an upper die 20 moving in the up-down direction;

[0076] When the upper die 20 is separated from the lower die 10, the mobile phone shell is placed in the accommodating cavity 11, at this time, the inner side wall of the accommodating cavity 11 is tightly profiled with the outer side wall of the mobile phone shell so as to limit the outer profile of the mobile phone shell;

[0077] Then, the upper die 20 is covered with the lower die 10, when the upper die 20 is tightly profiled with the lower die 10, the pin bar 33 provided on the positioning plate 32 is just lowered into the hole of the mobile phone shell, at this time, the pin bar 33 is insertedly fitted to the hole of the mobile phone shell to complete the positioning, thus the direction of the mobile phone shell can be ensured to be correct, and similarly, when the upper die 20 cannot be tightly profiled with the lower die 10, a large gap can be obviously seen between the upper die 20 and the lower die 10, at this time, the risk of incorrect placement of the mobile phone shell by the worker is provided, so that the worker adjusts the placement direction of the mobile phone shell;

[0078] When the mobile phone shell is accurately and correctly placed in the accommodating cavity 11, dry ice is introduced into the avoiding cavity 21 to clean the glue (i.e. remove burrs and burrs) in the inner cavity of the mobile phone shell;

[0079] In this way, the burrs and burrs on the inner side of the mobile phone shell can be well removed, the inner side of the mobile phone shell is ensured to be smooth and not to hurt the hand, and the quality and safety of the product are ensured.

[0080] In another embodiment of the utility model, as shown in Figures 1-5 ,

[0081] The latch strip 33 is provided with a displacement sensor, and the lower die 10 is provided with a sensor for receiving the signal emitted by the displacement sensor.

[0082] In another embodiment of the present application, as shown in Figures 1-5

[0083] The other end of the connecting arm 31 is provided with a first threaded hole,

[0084] The positioning plate 32 is provided with a first through hole avoiding the first threaded hole,

[0085] The fool-proof assembly 30 further comprises a first fastening screw, which passes through the first through hole and enters the first threaded hole, thereby fixing the positioning plate 32. Specifically, in order to better fix the positioning plate 32, the other end of the connecting arm 31 is provided with a first threaded hole, and the positioning plate 32 is provided with a first through hole avoiding the first threaded hole, and the first fastening screw passes through the first through hole and enters the first threaded hole, thereby stably fixing the positioning plate 32, and the operation is simple and convenient, which is beneficial to the replacement of the positioning plate 32.

[0086] In another embodiment of the present application, as shown in Figures 1-5

[0087] One end of the connecting arm 31 is provided with a second through hole, and the positioning plate 32 is provided with a second threaded hole corresponding to the second through hole,

[0088] The fool-proof assembly 30 further comprises a second fastening screw, which passes through the second through hole and enters the second threaded hole, thereby fixing the connecting arm 31. Specifically, one end of the connecting arm 31 is provided with a second through hole, and the positioning plate 32 is provided with a second threaded hole corresponding to the second through hole, and the second fastening screw passes through the second through hole and enters the second threaded hole, thereby stably fixing the connecting arm 31, and the operation is simple and convenient, which is beneficial to the replacement of the connecting arm 31.

[0089] In another embodiment of the present application, as shown in Figures 1-5

[0090] The fool-proof assembly 30 further comprises an elastic member 40;

[0091] The elastic member 40 is located between the connecting arm 31 and the second fastening screw,

[0092] ​​​The elastic element 40 is located near the end with the largest diameter on the second fastening screw. Specifically, to prevent the phone case from being damaged when it is installed backwards during the downward pressing of the positioning plate 32 by the connecting arm 31, an elastic element 40 is provided. The elastic element 40 is located between the connecting arm 31 and the second fastening screw, near the end with the largest diameter on the second fastening screw. In this way, even if the phone case is installed backwards, the pin strip 33 will not damage the phone case. The elastic element 40 is a spring.

[0093] In another embodiment of this utility model, such as Figures 1-5 As shown,

[0094] Several baffles 22, each pointing perpendicularly to one end of the receiving cavity 11, extend from the inner wall of the clearance cavity 21.

[0095] Each of the baffles 22 covers the functional openings on the inner wall of the phone case. Specifically, to ensure that the adhesive on the phone case can be cleanly removed, multiple baffles 22 extend from the inner wall of the recess cavity 21, each perpendicular to one end of the receiving cavity 11. These baffles 22 cover the functional openings on the inner wall of the phone case, thus allowing the blown dry ice to remain on the inner side of the phone case to the maximum extent, preventing it from being quickly discharged directly from the multiple functional openings and ensuring the cleaning effect of the phone case.

[0096] In another embodiment of this utility model, such as Figures 1-5 As shown,

[0097] The upper mold 20 includes:

[0098] Configured as a movable mobile plate 201; and

[0099] A limiting plate 202 with the clearance cavity 21 is provided, and the limiting plate 202 is detachably connected to the movable plate 201. Specifically, the upper mold 20 includes a movable plate 201 configured to be movable, and a limiting plate 202 with the clearance cavity 21. The limiting plate 202 and the movable plate 201 are detachable, so even if a mobile phone case with different functional holes is replaced, the same mold can be used, avoiding the waste of resources caused by re-molding.

[0100] In another embodiment of this utility model, such as Figures 1-5 As shown,

[0101] The lower mold 10 is equipped with a plurality of guide posts 50 for guiding the moving plate 201.

[0102] The movable plate 201 has a plurality of through holes 2011 that respectively avoid each of the guide posts 50.

[0103] Each of the guide posts 50 cooperates with each of the through holes 2011 to control the up-down movement of the upper mold 20 along the linear direction to approach or move away from the lower mold 10.

[0104] In another embodiment of the present application, as shown in Figures 1-5

[0105] The lower mold 10 is further provided with at least one air slot 12 communicating with the outside space, and the air slot 12 communicates with the accommodating cavity 11.

[0106] In another embodiment of the present application, as shown in Figures 1-5 The upper mold 20 is made of metal material, and the lower mold 10 is made of composite material.

[0107] The remaining parts of the present embodiment are the same as those of the first embodiment, and the features not explained in the present embodiment are explained by referring to the first embodiment, and will not be repeated here.

[0108] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.​

Claims

1. A dry ice adhesive removal fixture, comprising a lower mold and an upper mold that cooperate with each other for clamping a mobile phone case; characterized in that, The lower mold is configured with one fixed end, and the lower mold has a receiving cavity for placing the mobile phone case. The inner sidewall of the receiving cavity is adapted to the contour of the outer sidewall of the mobile phone case. The upper mold is configured with one movable end, and the upper mold has a clearance cavity extending through both ends in the thickness direction. The dry ice cleaning fixture also includes a foolproof component for positioning the phone case; The error-proof component includes: A connecting arm, one end of which is detachably mounted to the upper mold; and A positioning plate, which is plugged into and adapted to the other end of the connecting arm; The positioning plate is provided with a pin strip that is compatible with the holes in the phone case.

2. The dry ice adhesive removal fixture according to claim 1, characterized in that: The pin bar is equipped with a displacement sensor, and the lower mold is equipped with a sensor for receiving signals emitted by the displacement sensor.

3. The dry ice adhesive removal fixture according to claim 2, characterized in that: The other end of the connecting arm has a first threaded hole. The positioning plate has a first through hole that avoids the opening of the first threaded hole. The foolproof component also includes a first fastening screw that passes through the first through hole and enters the first threaded hole to fix the positioning plate.

4. The dry ice adhesive removal fixture according to claim 3, characterized in that: One end of the connecting arm is provided with a second through hole, and the positioning plate is provided with a second threaded hole corresponding to the second through hole. The foolproof assembly also includes a second fastening screw that passes through the second through hole and enters the second threaded hole to secure the connecting arm.

5. The dry ice adhesive removal fixture according to claim 4, characterized in that: The foolproof component also includes an elastic element; The elastic element is located between the connecting arm and the second fastening screw. The elastic element is located near the end with the largest diameter on the second fastening screw.

6. A dry ice adhesive removal fixture according to any one of claims 1 to 5, characterized in that: Several baffles, each pointing perpendicularly to one end of the receiving cavity, extend from the inner wall of the cavity. Each of the baffles covers the functional holes opened on the inner side wall of the phone case.

7. A dry ice adhesive removal fixture according to claim 6, characterized in that: The upper mold includes: Configured as a movable panel; and A limiting plate with the aforementioned clearance cavity is provided, and the limiting plate is detachably connected to the movable plate.

8. A dry ice adhesive removal fixture according to claim 7, characterized in that: The lower mold is equipped with a number of guide pillars for guiding the moving plate. The movable plate has several through holes that respectively avoid the guide posts. Each of the guide posts engages with each of the through holes to control the upper mold to move up and down in a straight line to approach or move away from the lower mold.

9. A dry ice adhesive removal fixture according to claim 8, characterized in that: The lower mold also has at least one slot communicating with the external space, and the slot is connected to the receiving cavity.

10. A dry ice adhesive removal fixture according to any one of claims 1 to 5, characterized in that: The upper mold is made of metal, and the lower mold is made of composite material.

Images