Clamping and limiting die and mobile phone middle frame burr removing device

Abstract

The utility model belongs to the technical field of mobile phone processing equipment, and particularly relates to a clamping and limiting die and a mobile phone middle frame burr removing device, which comprise a lower die, an upper die and a detection component, the upper die is provided with an upper die cavity; the detection assembly is arranged between the upper die and the lower die and used for detecting the attaching degree between the upper die and the lower die. Wherein the upper die and the lower die can be detachably connected in a covering mode to form a clamping die used for limiting a mobile phone middle frame, the detection assembly comprises a reference unit and an induction unit, and the distance between the reference unit and the induction unit changes along with opening and closing actions of the upper die and the lower die. And the sensing unit feeds back a distance parameter between the sensing end and the reference unit to the control system in real time. The distance parameters of the upper mold and the lower mold are fed back to the control system in real time through the detection unit, the control system monitors the mold closing state of the upper mold and the lower mold in real time according to the fed-back distance parameters, adjustment or maintenance is conducted in time, and the production efficiency of the middle frame burr removing device is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mobile phone processing equipment technical field especially relates to a clamping limit mould and mobile phone middle frame burr removing device. BACKGROUND

[0002] In the mobile phone manufacturing process, burr refers to the burr and irregular protrusion of the edge of the metal or other material middle frame after processing. Nylon sand blasting is a commonly used burr removing process, which can effectively remove these unevenness and improve the appearance quality and touch of the product. According to the latest information, the nylon sand blasting machine can process precision plastics or metal parts such as mobile phone shells, remove burrs and burrs, and due to the toughness and non-cutting nature of nylon sand, it will not cause damage to the product during use.

[0003] The traditional nylon sand blasting equipment includes a positioning and moving mechanism, a clamping jig and a sand blasting pipe, the sand blasting pipe is arranged at the output end of the positioning and moving mechanism, the clamping jig is used for limiting the mobile phone middle frame, the positioning and moving mechanism drives the sand blasting pipe to move to one side of the clamping jig, so that the sand blasting pipe is aligned with the burr generating position of the mobile phone middle frame.

[0004] In the prior art, the clamping limit mould includes an upper die and a lower die, the upper die and the lower die are detachably connected through buckles, buckles or screws, a die cavity for clamping the mobile phone middle frame is formed between the upper die and the lower die, the mobile phone middle frame is clamped and limited in the die cavity, and the upper die is provided with a light hole structure through which the nylon sand passes. However, since the upper die and the lower die are connected through a detachable structure, if a screw locking method is used for fixation, the operation is complicated and the feeding and discharging efficiency is affected. If buckles or buckles and the like are used, a large fitting gap exists between the upper die and the lower die, the limiting effect of the die cavity on the mobile phone middle frame is unstable, and even the die release occurs, which needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of clamping limit mould and mobile phone middle frame burr removing device, to solve the technical problems that the mobile phone middle frame clamping limit mould in prior art, since the upper die and the lower die are connected through traditional detachable structure, either operation is complicated, and feeding and discharging efficiency is affected;Or there is a large fitting gap, the limiting effect of the die cavity on the mobile phone middle frame is unstable, and the technical problem of clamping and limiting defect cannot be effectively solved.

[0006] To achieve the above object, the utility model discloses a kind of clamping limit mould, including lower mould, upper mould and detection component, the lower mould is provided with lower mould cavity;The upper mould is provided with upper mould cavity;Detection component is arranged between the upper mould and the lower mould and is used to detect the degree of fit between upper mould and lower mould;Wherein, the upper mould and the lower mould can be detachably combined connection and form the clamping mould for limiting mobile phone middle frame, the detection component includes reference unit and sensing unit, the distance between the reference unit and the sensing unit changes with the opening and closing action of the upper mould and lower mould, the sensing unit real-time feedback distance parameter between its sensing end and the reference unit to control system.

[0007] Optionally, the lower mould is provided in a plate-like structure, the number of lower mould cavities is multiple groups, and the multiple groups of lower mould cavities are evenly distributed in the middle region of the lower mould with intervals. The upper mould is provided in a plate-like structure, the number of upper mould cavities is multiple groups, and the multiple groups of upper mould cavities are evenly distributed in the middle region of the upper mould with intervals. After the upper mould and the lower mould are combined, the upper mould cavities and the corresponding lower mould cavities are combined to form a limiting cavity for clamping and limiting a mobile phone middle frame. The upper mould is provided with a light hole communicating with the upper mould cavities, and the light hole is aligned with the flash forming position of the mobile phone middle frame.

[0008] Optionally, the upper mould and the lower mould are detachably connected through a positioning assembly.

[0009] Optionally, the positioning assembly includes positioning pins and positioning shaft sleeves, the positioning pins and the positioning shaft sleeves are respectively arranged on the lower mould and the upper mould, the positioning pins are arranged at the edge positions of the lower mould, and the positioning pins and the positioning shaft sleeves are adapted to be connected. The number of the positioning pins is at least two groups, and all the positioning pins are evenly distributed at both ends of the lower mould.

[0010] Optionally, a crown spring is fixedly arranged in the positioning shaft sleeve.

[0011] Optionally, the reference unit is a magnetic part, the sensing unit is a Hall sensor, the reference unit is arranged on the lower mould, and the sensing unit is arranged in the upper mould.

[0012] Optionally, the reference unit is a rare earth magnet, the lower mould is provided with a magnetic guide unit, one end of the magnetic guide unit abuts against the reference unit, and the other end of the magnetic guide unit extends to the end face of the lower mould facing the upper mould.

[0013] Optionally, the detection component is an optoelectronic sensing module, and the detection component is integrally embedded on the lower mould, and the output end of the detection component is arranged to face away from the upper mould.

[0014] Optionally, the lower die and / or the upper die is provided with a positioning member for locking the mobile phone middle frame in the mold cavity, and the positioning member is a linear cylinder.

[0015] To achieve the above-mentioned purpose, the utility model embodiment further provides a mobile phone middle frame burr removing device, including the above-mentioned clamping limit mould.

[0016] The clamping limit mould and the mobile phone middle frame burr removing device provided by the utility model embodiment have at least one of the following technical effects: the upper die and the lower die clamp and limit the mobile phone middle frame between the upper die and the lower die through the upper die cavity and the lower die cavity, the upper die and the lower die are in a detachable connection state during the nylon sand blasting process, the position deviation of the upper die and the lower die caused by mechanical vibration is obtained through the distance detection between the sensing unit and the reference unit, and the operator judges the progress condition of the burr removing process according to the distance parameter; compared with the mobile phone middle frame clamping limit mould in the prior art, since the upper die and the lower die are connected through the traditional detachable structure, the operation is complicated, and the feeding and discharging efficiency is affected; or there is a large fitting gap, the limiting effect of the mobile phone middle frame is unstable, and the technical problem of clamping and limiting defects cannot be effectively solved, the clamping limit mould and the mobile phone middle frame burr removing device provided by the utility model embodiment feed back the distance parameter of the upper die and the lower die to the control system in real time through the detection unit, the control system controls the mold closing state of the upper die and the lower die according to the feedback distance parameter, and adjusts or maintains in time, so that the production efficiency of the middle frame burr removing device is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0018] Figure 1 The sectional view of the clamping limit mould provided by the utility model embodiment is shown.

[0019] Figure 2 The mold opening schematic view of the clamping limit mould in Figure 1

[0020] Figure 3 The schematic view of the crown spring structure provided by the utility model embodiment is shown.

[0021] In the drawings, various reference signs are:

[0022] 100 - lower die 200 - upper die 300 - detection assembly ​

[0023] 310 - reference unit 320 - sensing unit 400 - positioning assembly

[0024] 410 - positioning pin shaft 420 - positioning shaft sleeve 430 - crown spring

[0025] 440 - annular mounting groove 350 - magnetic conducting unit 500 - positioning member. DETAILED DESCRIPTION

[0026] 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 following describes the embodiments of the present application by referring to the drawings. Figures 1-3 The described embodiments are exemplary, and are intended to be illustrative of the embodiments of the present application, and are not to be construed as limiting the present application.

[0027] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings 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 construed 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 construed as limiting the present application.

[0028] In addition, the terms "first", "second" are used only for descriptive purposes, and cannot be construed 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 specifically limited.

[0029] In the embodiments of the present application, unless otherwise specifically defined 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 internal communication of two elements or the 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.

[0030] In one embodiment of the present application, as shown in Figures 1-3As shown, a clamping limiting mold is provided, comprising a lower mold 100, an upper mold 200 and a detection assembly 300, the lower mold 100 is provided with a lower mold 100 cavity; the upper mold 200 is provided with an upper mold 200 cavity; the detection assembly 300 is arranged between the upper mold 200 and the lower mold 100 and is used for detecting the fitting degree between the upper mold 200 and the lower mold 100; wherein the upper mold 200 and the lower mold 100 can be detachably connected to form a clamping mold for limiting the mobile phone middle frame, the detection assembly 300 comprises a reference unit 310 and a sensing unit 320, the distance between the reference unit 310 and the sensing unit 320 changes with the opening and closing action of the upper mold 200 and the lower mold 100, and the sensing unit 320 feeds back the distance parameter between its sensing end and the reference unit 310 to the control system in real time.

[0031] In the embodiment, the utility model embodiment further provides a mobile phone middle frame burr removing device, including above-mentioned clamping limiting mold.

[0032] Specifically, the upper mold 200 and the lower mold 100 clamp and limit the mobile phone middle frame between the upper mold 200 and the lower mold 100 through the upper mold 200 cavity and the lower mold 100 cavity, and during the process of nylon sand blasting, the upper mold 200 and the lower mold 100 are in a detachable connection state, and the specific numerical value of the positional deviation of the upper mold 200 and the lower mold 100 due to mechanical vibration is obtained by detecting the distance between the sensing unit 320 and the reference unit 310, and the operator judges the progress condition of the burr removing process according to the distance parameter; compared with the mobile phone middle frame clamping limiting mold in the prior art, since the upper mold 200 and the lower mold 100 are connected through the traditional detachable structure, either the operation is complicated, which affects the feeding and discharging efficiency, or there is a large fitting gap, the limiting effect of the mobile phone middle frame is unstable, and the technical problem of clamping and limiting defects cannot be effectively solved, the clamping limiting mold and the mobile phone middle frame burr removing device provided by the utility model embodiment feed back the distance parameter of the upper mold 200 and the lower mold 100 to the control system in real time through the detection unit, the control system controls the closing state of the upper mold 200 and the lower mold 100 according to the feedback distance parameter, and adjusts or maintains in time, effectively improving the production efficiency of the middle frame burr removing device.

[0033] As Figures 1-3As shown, further, the lower die 100 is provided in a plate structure, the number of cavities of the lower die 100 is multiple groups, and the multiple groups of cavities of the lower die 100 are uniformly distributed at intervals in the middle region of the lower die 100; the upper die 200 is provided in a plate structure, the number of cavities of the upper die 200 is multiple groups, and the multiple groups of cavities of the upper die 200 are uniformly distributed at intervals in the middle region of the upper die 200; after the upper die 200 and the lower die 100 are closed, the cavities of the upper die 200 and the corresponding cavities of the lower die 100 are combined to form a limiting cavity for clamping a mobile phone middle frame; the upper die 200 is provided with a light hole communicating with the cavities of the upper die 200, and the light hole is aligned with a burr forming position of the mobile phone middle frame.

[0034] In the embodiment, the multiple groups of cavities of the upper die 200 and the multiple groups of cavities of the lower die 100 are beneficial to improve the capacity of the mobile phone middle frame, and further realize the multi-station synchronous rapid replacement of the mobile phone middle frame to prevent stacking.

[0035] As shown in the drawings, Figures 1-3 Further, the upper die 200 and the lower die 100 are detachably connected through a positioning assembly 400. The detachable die design is beneficial to improve the operation convenience of the operator, improve the efficiency of each feeding and discharging, and improve the work efficiency. It is worth noting that the connection mode of the pre-tightening screw fixed connection state also belongs to detachable connection.

[0036] As shown in the drawings, Figures 1-3 Further, the positioning assembly 400 includes positioning pins 410 and positioning shaft sleeves 420, the positioning pins 410 and the positioning shaft sleeves 420 are respectively arranged on the lower die 100 and the upper die 200, the positioning pins 410 are arranged at the edge positions of the lower die 100, and the positioning pins 410 and the positioning shaft sleeves 420 are clamped and adapted; wherein the number of the positioning pins 410 is at least two groups, and all the positioning pins 410 are uniformly distributed at the two ends of the lower die 100.

[0037] In the remaining embodiments, the positions of the positioning pins 410 and the positioning shaft sleeves 420 are interchanged, and the utility model is not specifically limited.

[0038] In the embodiment, the number of the positioning pins 410 is four groups, the lower die 100 is provided in a rectangular plate structure, the four groups of positioning pins 410 are uniformly distributed at the two ends of the lower die 100, the positioning pins 410 located at the same side are distributed at intervals, the upper die 200 is adapted in shape with the lower die 100, the number of the positioning shaft sleeves 420 is equal to the number of the positioning pins 410, and the positions of the positioning shaft sleeves 420 and the positioning pins 410 correspond one by one. The structure of the multiple groups of positioning pins 410 and the positioning shaft sleeves 420 is beneficial to improve the positioning effect and the positioning stability.

[0039] As Figures 1-3 Further, a crown spring 430 is fixedly arranged in the positioning shaft sleeve 420, specifically, an annular mounting groove 440 is arranged on the inner wall of the positioning shaft sleeve 420, the groove diameter of the annular mounting groove 440 is greater than the inner circle of the positioning shaft sleeve 420, the crown spring 430 is arranged in the annular mounting groove 440, and the minimum inner diameter of the crown spring 430 is smaller than the outer diameter of the positioning pin shaft 410. The crown spring 430 is used as a further limiting structure of the positioning pin shaft 410, which is beneficial to prevent the upper mold 200 from loosening and further improve the connection stability of the upper mold 200 and the lower mold 100.

[0040] Further, the reference unit 310 is a magnetic piece, the sensing unit 320 is a Hall sensor, the reference unit 310 is arranged on the lower mold 100, and the sensing unit 320 is arranged in the upper mold 200.

[0041] Specifically, when the upper mold 200 and the lower mold 100 after mold closing are subjected to mechanical vibration by nylon sand impact of a sand blasting equipment, the spacing between the upper mold 200 and the lower mold 100 changes slightly, the sensing unit 320 monitors the spacing change amount at all times, and when the sensing unit 320 detects that the spacing changes greatly in the sand blasting process, an alarm instruction is sent to the control system, so that the control system stops sand blasting, and the safety performance of the sand blasting equipment is effectively improved. The Hall sensor based on the Hall effect realizes monitoring effect through the potential signal formed by the magnetic field of the magnetic piece, specifically, when the Hall sensor is away from the magnetic piece, the magnetic induction line intensity sensed by the Hall sensor weakens, the potential changes, and then the monitoring is realized.

[0042] As Figures 1-3 Further, the reference unit 310 is a rare earth magnet, a magnetic conduction unit 350 is arranged on the lower mold 100, one end of the magnetic conduction unit 350 abuts against the reference unit 310, and the other end of the magnetic conduction unit 350 extends to the end face of the lower mold 100 facing the upper mold 200. In the embodiment, the magnetic conduction unit 350 is a magnetic conduction rod, and the magnetic conduction unit 350 is beneficial to increase the magnetic field range of the reference unit 310, and then improve the sensitivity of the sensing unit 320.

[0043] In another embodiment of the utility model, the detection assembly 300 is a photoelectric sensing module, the detection assembly 300 is embedded on the lower mold 100 as a whole, and the output end of the detection assembly 300 is arranged towards away from the upper mold 200.

[0044] In another embodiment of the utility model, the lower mould 100 or the upper mould 200 is provided with a positioning piece 500 for locking the mobile phone middle frame in the mould cavity, the positioning piece 500 is a straight line air cylinder, in this embodiment, the positioning piece is arranged on the lower mould 100.

[0045] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement and improvement etc. that are made in the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A clamping stopper mold characterized by comprising: The utility model relates to a mobile phone middle frame clamping and limiting mold, including: Lower mould, which is provided with lower mould cavity; Upper mould, which is provided with upper mould cavity; Detection assembly, which is arranged between the upper mould and the lower mould and is used for detecting the fitting degree between the upper mould and the lower mould; Wherein, the upper mould and the lower mould can be detachably connected to form a clamping mold for limiting the mobile phone middle frame, the detection assembly includes a reference unit and a sensing unit, the distance between the reference unit and the sensing unit changes with the opening and closing action of the upper mould and the lower mould, and the sensing unit feeds back the distance parameter between its sensing end and the reference unit to the control system in real time.

2. The clamp and positioning mold according to claim 1, wherein: The lower mould is provided in a plate structure, the number of the lower mould cavities is multiple groups, and the multiple groups of lower mould cavities are uniformly distributed at the middle region of the lower mould; the upper mould is provided in a plate structure, the number of the upper mould cavities is multiple groups, and the multiple groups of upper mould cavities are uniformly distributed at the middle region of the upper mould; after the upper mould and the lower mould are combined, the upper mould cavities and the corresponding lower mould cavities are combined to form a limiting cavity for clamping and limiting the mobile phone middle frame; the upper mould is provided with a light hole communicating with the upper mould cavities, and the light hole is aligned with the flash forming position of the mobile phone middle frame.

3. The clamp and positioning mold according to claim 1, wherein: The upper mould and the lower mould are detachably connected through a positioning assembly.

4. The clamp and positioning mold according to claim 3, wherein: The positioning assembly includes positioning pins and positioning shaft sleeves, the positioning pins and the positioning shaft sleeves are arranged on the lower mould and the upper mould respectively, the positioning pins are arranged at the edge position of the lower mould, and the positioning pins and the positioning shaft sleeves are adaptedly connected; wherein, the number of the positioning pins is at least two groups, and all the positioning pins are uniformly distributed at both ends of the lower mould.

5. The clamp and positioning mold of claim 4, wherein: A crown spring is fixedly arranged in the positioning shaft sleeve.

6. The clamping and positioning mold according to any one of claims 1 to 5, characterized in that: The reference unit is a magnetic part, the sensing unit is a Hall sensor, the reference unit is arranged on the lower mould, and the sensing unit is arranged in the upper mould.

7. The clamp and stop mold of claim 6, wherein: The reference unit is a rare earth magnet, the lower mould is provided with a magnetic guide unit, one end of the magnetic guide unit abuts against the reference unit, and the other end of the magnetic guide unit extends to the end face of the lower mould facing the upper mould.

8. The clamping and positioning mold according to any one of claims 1 to 5, characterized in that: The detection assembly is an optoelectronic sensing module, the detection assembly is integrally embedded on the lower mould, and the output end of the detection assembly is arranged to face away from the upper mould.

9. The clamping and positioning mold according to any one of claims 1 to 5, characterized in that: The lower mould and / or the upper mould is provided with a positioning part for locking the mobile phone middle frame in the mold cavity, and the positioning part is a linear cylinder.

10. A mobile phone middle frame burr removing device, characterized in that: The utility model relates to a mobile phone middle frame clamping and limiting mold, including: Lower mould, which is provided with lower mould cavity; Upper mould, which is provided with upper mould cavity; Detection assembly, which is arranged between the upper mould and the lower mould and is used for detecting the fitting degree between the upper mould and the lower mould; Wherein, the upper mould and the lower mould can be detachably connected to form a clamping mold for limiting the mobile phone middle frame, the detection assembly includes a reference unit and a sensing unit, the distance between the reference unit and the sensing unit changes with the opening and closing action of the upper mould and the lower mould, and the sensing unit feeds back the distance parameter between its sensing end and the reference unit to the control system in real time.

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