Plane grinding jig for mobile phone rotating shaft

Abstract

The utility model discloses a plane grinding jig for a mobile phone rotating shaft, which comprises a jig module, the jig module is used for fixing a mobile phone rotating shaft workpiece on a grinding machine, the jig module comprises a bottom bedplate and a convex table integrally formed on the bottom bedplate, a rectangular pit is formed on the bottom bedplate, and the convex table is arranged on the bottom bedplate. A rectangular pit is formed in the bottom table plate, a fixing hole groove and a dismounting hole groove are formed in the two sides of the rectangular pit respectively, a spring is fixedly connected to the inner wall of the fixing hole groove, a sliding groove located above the dismounting hole groove is formed in the bottom table plate, an upward-protruding sliding block which horizontally slides and is attached to the inner wall of the sliding groove is arranged in the sliding groove, and an inner sliding block is integrally welded to the lower portion of the upward-protruding sliding block. According to the plane grinding jig for the mobile phone rotating shaft, the two upwards-protruding sliding blocks are inserted into the two positioning inner grooves correspondingly, the two upwards-protruding sliding blocks are extruded in the opposite directions under the action of the two springs, the two upwards-protruding sliding blocks rapidly and effectively limit a mobile phone rotating shaft workpiece, and various problems caused by clamping jigs are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone pivot processing technical field, concretely is a kind of plane grinding jig of mobile phone pivot. BACKGROUND

[0002] At present, folding screen mobile phone gradually rises, and the biggest difference between folding screen mobile phone and traditional smart phone is that it can be turned over, due to the folding screen mobile phone can be turned over, it has a pivot (hinge) structure inside, so as to make it realize folding function.

[0003] When processing mobile phone pivot of folding screen mobile phone, it needs to be fixed on grinding machine, so that the surface is plane grinding treatment, currently, the jig for fixing mobile phone pivot is usually clamping jig, the following problems exist when using this kind of jig: mobile phone pivot is deformed due to excessive clamping force, clamping is loose, grinding effect is not good, workpiece surface appears batch grinding mark due to grinding in batches. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of plane grinding jig of mobile phone pivot, make two upper convex sliding blocks respectively insert two positioning inner grooves, and extrude two upper convex sliding blocks towards opposite direction by means of two springs, make two upper convex sliding blocks limit mobile phone pivot workpiece, avoid the problems caused by clamping jig.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of plane grinding jig of mobile phone pivot, including jig module, jig module is used to fix mobile phone pivot workpiece on grinding machine, jig module includes bottom plate and the convex table integrally formed on bottom plate, rectangular pit is formed on bottom plate, fixed hole groove and dismounting hole groove are formed on the two sides of rectangular pit respectively, fixed hole groove is located below convex table, the inner wall of fixed hole groove is fixedly connected with spring, sliding slot is formed on bottom plate and located above dismounting hole groove, upper convex sliding block is arranged in sliding slot and is attached to the inner wall of sliding slot, inner sliding block is integrally welded below upper convex sliding block, inner sliding block is located in dismounting hole groove and is attached to the inner wall of dismounting hole groove, so that inner sliding block can slide horizontally in dismounting hole groove and drive upper convex sliding block to translate stably, one end of spring extends from fixed hole groove and enters dismounting hole groove and is in contact with inner sliding block.

[0006] As preferred implementation: screw hole groove is formed on convex table, wherein screw hole groove has multiple and is divided into multiple specifications.

[0007] As preferred implementation: positioning screw is fitted in multiple screw hole grooves, positioning screw is provided with multiple and corresponds to multiple specifications of screw hole groove respectively;Convex table is fixed on bottom plate by positioning screw.

[0008] As a preferred embodiment: there are two rectangular pits in total and they are symmetrical on the bottom plate, and the openings of the two rectangular pits are distributed on both sides of the raised platform.

[0009] As a preferred embodiment: outer hole grooves are formed on both sides of the bottom plate, and the two outer hole grooves are respectively communicated with the two disassembly hole grooves; the existence of the outer hole grooves allows the inner slider to have a certain retractable space.

[0010] As a preferred embodiment: the inner diameter of the disassembly hole is smaller than the inner diameter of the fixing hole.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: with the help of two springs, the two upper convex sliders are squeezed in opposite directions, so that the two upper convex sliders limit the mobile phone shaft workpiece, and the above-mentioned non-clamping fixture is used to realize processing and fixation of the mobile phone shaft, avoiding various problems caused by the use of clamping fixtures, such as deformation of the workpiece caused by clamping, poor grinding effect caused by loose clamping, batch wear marks on the surface of the workpiece caused by grinding in batches, etc. Therefore, the present invention improves the yield rate of the ground workpiece, reduces the number of times the workpiece is ground, simplifies the process of using the fixture to fix the workpiece, improves the workpiece grinding efficiency, and saves the production cost of material processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an exploded view of the utility model;

[0013] Figure 2 For the utility model Figure 1 The structure at A in the middle is enlarged;

[0014] Figure 3 For the utility model Figure 1 A magnified view of the structure at point B in the middle;

[0015] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 5 For the utility model Figure 4 Schematic diagram of the cross section along CC;

[0017] Figure 6 For the utility model Figure 5 Enlarged view of the structure at point D in the middle.

[0018] The reference numerals and names in the figure are as follows: 1. fixture module; 11. bottom plate; 111. slide groove; 12. raised platform; 121. screw hole groove; 122. positioning screw; 13. rectangular pit; 131. fixing hole groove; 132. disassembly hole groove; 133. outer hole groove; 14. spring; 15. upper convex slider; 16. inner slider. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of the present application.

[0020] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is 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 indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "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.

[0021] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0022] Please refer to Figures 1 to 3The utility model provides a kind of plane grinding jig of mobile phone pivot, including jig module 1, jig module 1 is used to fix mobile phone pivot workpiece on grinding machine, jig module 1 includes bottom plate 11 and the convex table 12 integrally formed on bottom plate 11, rectangular pit 13 is formed on bottom plate 11, in the embodiment, rectangular pit 13 is equipped with two and is symmetrical on bottom plate 11, and the opening of two rectangular pits 13 is distributed in the two sides of convex table 12, screw hole groove 121 is formed on convex table 12, wherein screw hole groove 121 has multiple and is divided into multiple specifications, positioning screw 122 is fitted and installed in multiple screw hole grooves 121, positioning screw 122 is equipped with multiple and respectively with multiple specifications of screw hole groove 121 corresponding, and positioning screw 122 is fixed on bottom plate 11 by convex table 12;In addition, fixed hole groove 131 and dismounting hole groove 132 are formed in the two sides of rectangular pit 13 respectively, fixed hole groove 131 is located below convex table 12, the inner diameter of dismounting hole groove 132 is less than the inner diameter of fixed hole groove 131, the inner wall of fixed hole groove 131 is fixedly connected with spring 14, sliding groove 111 is formed on bottom plate 11 and located above dismounting hole groove 132, upper convex slider 15 is arranged in sliding groove 111 and is inlaid with the inner wall thereof and slides horizontally;

[0023] Please refer to Figures 4 to 6 Inner slider 16 is integrally welded below upper convex slider 15, and inner slider 16 is inlaid with the inner wall of dismounting hole groove 132, so that inner slider 16 can slide horizontally in dismounting hole groove 132 and drive upper convex slider 15 to translate stably, one end of spring 14 extends from fixed hole groove 131 and enters dismounting hole groove 132 and abuts against inner slider 16, in addition, outer hole groove 133 is formed on the two sides of bottom plate 11, and two outer hole grooves 133 are communicated with two dismounting hole grooves 132 respectively, outer hole groove 133 has certain telescopic space for inner slider 16, so that mobile phone pivot workpiece can be fixed on jig module 1.

[0024] The utility model discloses a work, first through a plurality of positioning screw 122 respectively installed in a plurality of screw hole groove 121, fix the convex platform 12 on the bottom platform 11, through the mode in prior art the bottom of bottom platform 11 is fixed on the grinding machine, this fixed mode can be welded fixed or other prior art, not here, when fixing mobile phone rotating shaft work piece, press mobile phone rotating shaft work piece on two upper convex sliding block 15 top, make two upper convex sliding block 15 mutually close ( extrude two spring 14), then loosen mobile phone rotating shaft work piece, under the action of two spring 14, can make two upper convex sliding block 15 extrude mobile phone rotating shaft work piece to fixed, will make mobile phone rotating shaft work piece place on two upper convex sliding block 15 top, carry out basically the limitation to mobile phone rotating shaft work piece, and two upper convex sliding block 15 also have the trend of extruding mobile phone rotating shaft work piece horizontally, thereby make mobile phone rotating shaft work piece not to separate from jig module 1, guarantee the stability of mobile phone rotating shaft work piece, after that can use the grinding machine below jig module 1 to grind and process mobile phone rotating shaft work piece.

[0025] It is obvious to a person skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting in any respect, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A plane grinding jig for a mobile phone shaft, comprising a jig module (1), characterized in that: The fixture module (1) is used to fix the mobile phone shaft workpiece on the grinding machine, and the fixture module (1) includes a bottom plate (11) and a raised platform (12) integrally formed on the bottom plate (11), a rectangular pit (13) is formed on the bottom plate (11), and a fixing hole groove (131) and a disassembly hole groove (132) are respectively formed on both sides of the rectangular pit (13), the fixing hole groove (131) is located below the raised platform (12), and the inner wall of the fixing hole groove (131) is fixedly connected to a spring (14), and the bottom plate (11) is provided with a plurality of protruding platforms (12). A slide groove (111) is formed on the table (11) and is located above the disassembly hole groove (132). An upper convex slider (15) is provided in the slide groove (111) and slides horizontally and fits with the inner wall thereof. An inner slider (16) is integrally welded below the upper convex slider (15). The inner slider (16) is located in the disassembly hole groove (132) and fits with the inner wall of the disassembly hole groove (132). One end of the spring (14) extends from the fixed hole groove (131) and enters the disassembly hole groove (132) to abut against the inner slider (16).

2. The surface grinding jig for a mobile phone shaft according to claim 1, characterized in that: The raised platform (12) is formed with a screw hole groove (121), wherein the screw hole groove (121) is provided in plurality and is divided into various specifications.

3. The surface grinding jig for a mobile phone shaft according to claim 2, characterized in that: Positioning screws (122) are fitted in the plurality of screw hole slots (121), and the positioning screws (122) are provided in plurality and correspond to screw hole slots (121) of various specifications.

4. The surface grinding jig for a mobile phone shaft according to claim 1, characterized in that: There are two rectangular pits (13) in total and they are symmetrical on the bottom plate (11), and the openings of the two rectangular pits (13) are distributed on both sides of the raised platform (12).

5. The surface grinding jig for a mobile phone shaft according to claim 1, characterized in that: External hole grooves (133) are formed on both sides of the bottom plate (11), and the two external hole grooves (133) are respectively communicated with the two disassembly hole grooves (132).

6. The surface grinding jig for a mobile phone shaft according to claim 1, characterized in that: The inner diameter of the disassembly hole (132) is smaller than the inner diameter of the fixing hole (131).

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