CN209964112U

CN209964112U - Accurate positioning device for mobile phone motherboard

Info

Publication number: CN209964112U
Application number: CN201921120270.0U
Authority: CN
Inventors: 王瑞兰
Original assignee: Shenzhen Yong Ying Electronics Co Ltd
Current assignee: Shenzhen Yong Ying Electronics Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-01-17
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses an accurate positioning device of mobile phone motherboard, include the bottom plate and install the lift mainboard fixing device on this bottom plate, center on lift mainboard fixing device is equipped with two at least mainboard chucking spare, two mainboard chucking spares with enclose between the lift mainboard fixing device and establish into the mainboard and place the district. Compared with the prior art, the utility model provides a mobile phone motherboard's accurate positioning device uses through lift mainboard fixing device and the cooperation of a plurality of mainboard chucking spare, can once establish polylith mobile phone motherboard card in each mainboard places the district, realizes quick accurate positioning, and work efficiency is high, and easy operation, labour saving and time saving to be applicable to the preprocessing of different length mobile phone motherboard, make full use of the resource, saved the cost of positioner preparation greatly.

Description

Accurate positioning device for mobile phone motherboard

Technical Field

The utility model relates to a cell-phone accessory technical field, in particular to mobile phone motherboard's accurate positioning device.

Background

The existing various mobile phone mainboards need to be positioned in the processing process, such as positioning welding of an automatic welding machine, sticking of a metal elastic sheet on a thin film key, welding of a microphone, welding of a loudspeaker, welding of a display screen and the like. At present, different products adopt various different main board processing stations to position. For the convenience of operation of an operator, a main board positioning device is generally adopted. Technicians are often constantly making modifications in verifying new positioning devices. Because the positioning device and the product are correspondingly matched, the positioning device is idle after long use, the manufacturing cost of the positioning device is greatly improved, and time, labor and processing cost are wasted; when the mobile phone mainboard is positioned by manual operation, one mobile phone mainboard is taken and placed at a time, the working efficiency is low, the labor intensity is high, the manual fatigue is caused, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

For solving the above technical problem, the utility model provides an accurate positioning device of mobile phone motherboard has solved positioner's cost of manufacture height, and fixes a position installation operating efficiency low, intensity of labour big scheduling problem.

The utility model adopts the technical scheme as follows:

the utility model provides an accurate positioning device of mobile phone motherboard, the key lies in: the lifting main board placing area is formed by enclosing the two main board clamping pieces and the lifting main board fixing device;

mainboard chucking spare is established including an expansion core axle and movable sleeve and is established at this epaxial bloated section of thick bamboo mount pad of section of thick bamboo core that expands, the dabber mounting hole has been seted up on the bottom plate, an expansion core axle fixed mounting centers on in the dabber mounting hole expand a section of thick bamboo mount pad and evenly be provided with four sectorial blocks, the sectorial block with radially be equipped with synchronous extensible member between the expansion mount pad, adjacent synchronous extensible member cross arrangement, four synchronous extensible member centers on expand a section of thick bamboo mount pad and evenly set up, adjacent sliding connection has two-sided slide wedge between the sectorial block, two-sided slide wedge with an expansion mount pad passes through the elastic expansion subassembly and connects, four the cover is equipped with same elastic housing on the top surface of sectorial block, the outer wall of this elastic housing with mobile phone motherboard supports tightly.

The effect of above scheme is to insert lift mainboard fixing device with the one end of mobile phone motherboard, lift mainboard fixing device takes the mobile phone motherboard to push down to the mainboard and places the district in, push down the in-process, the both sides of mobile phone motherboard support tightly with the elastic enclosure that is close to respectively, and after single sector received the thrust of mobile phone motherboard, make four synchronous inside radial contraction of sector through synchronous extensible member, and drive simultaneously and expand a section of thick bamboo mount pad and rotate around expanding a section of thick bamboo dabber, after the mobile phone motherboard is placed to the bottom plate, make two-sided slide wedge drive the sector outwards through the flexible subassembly, thereby make the elastic enclosure support tightly with the end that stretches out of mobile phone motherboard, carry out spacing fixed.

Preferably, the lifting through hole has been seted up on the bottom plate, lift mainboard fixing device is including setting up screw motor and the activity of bottom plate below are worn to establish mainboard fixing base in the lifting through hole, the groove is led to the vertical direction of having seted up on the pore wall of lifting through hole, it has a plurality of guide blocks, and is a plurality of to lead to slidable mounting in the groove the guide block with mainboard fixing base fixed connection, the vertical upwards stretching out of lead screw motor's lead screw, screw motor's ball screw with mainboard fixing base threaded connection.

The effect of this scheme is through only needing artifical with mobile phone motherboard and mainboard fixing base joint back, through lead screw motor drive mainboard fixing base downstream, drives mobile phone motherboard downstream, until by two mainboard chucking spare chucking to the mainboard place the district in.

Preferably, the mainboard fixing base includes the upper and lower just joint locating plate to setting up, two same central sleeve is worn to be equipped with in the joint locating plate fixedly, central sleeve with the ball screw threaded connection of lead screw motor, the telescopic lower extreme in center is worn out the joint locating plate, the guide block with the telescopic lower part fixed connection in center.

The effect of this scheme is that can be convenient with mobile phone motherboard joint to between two joint locating plates, improve work efficiency.

Preferably, the number of the main board clamping pieces is eight, the main board fixing seat is a square seat, and the eight main board clamping pieces are respectively arranged on four sides of the square seat in a pairwise opposite mode and form four main board placing areas by enclosing between the main board fixing seats.

The effect of this scheme is that can once accomplish the location installation of polylith mobile phone motherboard, improves work efficiency, and it is big to reduce intensity of labour.

Preferably, the radial inclined plane of two-sided slide wedge respectively with the inclined plane sliding connection of adjacent sector block, the flexible subassembly of elasticity includes telescopic tube and installs reset spring in the telescopic tube, telescopic tube's both ends respectively with two-sided slide wedge with expand a section of thick bamboo mount pad fixed connection, reset spring's both ends respectively with two-sided slide wedge with expand a section of thick bamboo mount pad and support tightly.

The effect of this scheme is that the elastic component supports two wings of two adjacent sectorial segments tightly with the two-sided slide wedge, and when two-sided slide wedge outwards extended thereupon, promotes the sectorial segment radial expand and open.

Preferably, a radial sliding groove is formed in the inclined surface of the sector block, a sliding block is installed in the radial sliding groove in a sliding mode, the sliding block is fixedly connected with the inclined surface of the double-sided wedge close to the inclined surface of the double-sided wedge, and the length of the radial sliding groove is smaller than the radial length of the inclined surface of the sector block.

The effect of this scheme is that the radial flexible stability of improvement two-sided slide wedge.

Preferably, the synchronous telescopic part comprises two radial fixed blocks which are arranged oppositely, the two radial fixed blocks are arranged along the length direction of the fan-shaped block, the two radial fixed blocks are respectively and fixedly connected with the inner arc surface of the fan-shaped block, a first arc-shaped plate and a second arc-shaped plate are connected to the radial fixed blocks in a staggered mode, the first arc-shaped plate is far away from the fan-shaped block, the second arc-shaped plate is close to the fan-shaped block, the extending end of the first arc-shaped plate is provided with a roller, and the extending end of the second arc-shaped plate is in up-and-down overlapping contact with the adjacent roller.

The effect of this scheme is that when monolithic segment received external pressure and inwards radially contracted, the second arc can compress tightly with adjacent gyro wheel downwards to drive adjacent segment synchronous inwards radial contraction.

Preferably, the telescopic sleeve comprises a fixed cylinder body, a first telescopic cylinder body and a second telescopic cylinder body which are sequentially sleeved, the bottom of the fixed cylinder body is fixedly connected with the expansion cylinder mounting seat, the bottom of the second telescopic cylinder body is fixedly connected with the double-faced wedge, first limiting check rings are arranged on the outer cylinder walls of the first telescopic cylinder body and the second telescopic cylinder body around an upper cylinder opening, second limiting check rings are arranged on the inner cylinder walls of the fixed cylinder body and the first telescopic cylinder body around a lower cylinder opening, and the first limiting check rings are abutted to the second limiting check rings.

The effect of this scheme is that can axially stretch out and draw back in certain extent, can bear the axial pressure of pipeline.

Preferably, the elastic shell is cylindrical, the inner wall of the elastic shell is attached to the outer arc surfaces of the fan-shaped blocks and the double-sided wedge, and a plurality of strip-shaped teeth are distributed on the outer wall of the elastic shell.

Has the advantages that: compared with the prior art, the utility model provides a mobile phone motherboard's accurate positioning device uses through the cooperation of lift mainboard fixing device and a plurality of mainboard chucking spare, can once establish polylith mobile phone motherboard card in each mainboard places the district, realizes quick accurate positioning, and work efficiency is high, and easy operation, labour saving and time saving to be applicable to the preprocessing of different length mobile phone motherboard, make full use of the resource, saved the cost of positioner preparation greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the mobile phone in fig. 1 when a mobile phone motherboard is placed;

FIG. 3 is a schematic view of the main plate retainer 4 of FIG. 2;

FIG. 4 is a schematic view of the main plate retainer 4 of FIG. 1;

FIG. 5 is a schematic view of the structure of the resilient retraction assembly 45 of FIG. 4;

FIG. 6 is a cross-sectional view A-A of FIG. 1;

fig. 7 is a sectional view B-B of fig. 6.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the attached tables and the detailed description.

Examples

As shown in fig. 1-7, an accurate positioning device for a mobile phone motherboard comprises a bottom plate 1, wherein a lifting through hole 5 is formed on the bottom plate 1, a lifting motherboard fixing device 2 comprises a screw motor 21 disposed below the bottom plate 1 and a motherboard fixing seat 22 movably inserted into the lifting through hole 5, a guiding through groove 51 is vertically formed on a hole wall of the lifting through hole 5, a plurality of guiding blocks 23 are slidably mounted in the guiding through groove 51, the guiding blocks 23 are fixedly connected with the motherboard fixing seat 22, a screw rod of the screw motor 21 vertically extends upwards, a ball screw rod of the screw motor 21 is in threaded connection with the motherboard fixing seat 22, eight motherboard clamping members 4 are disposed around the lifting motherboard fixing device 2, the motherboard fixing seat 22 is a square seat, and the eight motherboard clamping members 4 are respectively disposed on four sides of the square seat two by two, four main board placing areas 3 are enclosed between the main board fixing seat 22 and the main board placing areas;

mainboard chucking spare 4 establishes the bloated section of thick bamboo mount pad 42 on this bloated section of thick bamboo dabber 41 including bloating a dabber 41 and activity cover, dabber mounting hole 11 has been seted up on the bottom plate 1, bloated section of thick bamboo dabber 41 fixed mounting centers on in the dabber mounting hole bloated section of thick bamboo mount pad 42 evenly is provided with four sectorial blocks 43, sectorial block 43 with expand radially be equipped with synchronous extensible member 6 between the section of thick bamboo mount pad 42, adjacent 6 cross arrangement of synchronous extensible member, four synchronous extensible member 6 centers on bloated section of thick bamboo mount pad 42 evenly sets up, and is adjacent sliding connection has two-sided slide wedge 44 between the sectorial block 43, two-sided slide wedge 44 with bloated section of thick bamboo mount pad 42 connects through elastic expansion subassembly 45, four the cover is equipped with same elastic housing 46 on the top surface of sectorial block 43.

As can be seen in fig. 1, 6 and 7, the main board fixing seat 22 includes a clamping positioning plate 22a which is vertically opposite to the setting, two clamping positioning plates 22a are fixed with a central sleeve 22b, the central sleeve 22b is in threaded connection with the ball screw of the screw motor 21, the lower end of the central sleeve 22b penetrates out of the clamping positioning plate 22a, and the guide block 23 is fixedly connected with the lower part of the central sleeve 22 b.

As can be seen in fig. 3 and 4, a radial sliding slot 43a is formed on the inclined surface of the sector 43, a sliding block 43b is slidably mounted in the radial sliding slot 43a, the sliding block 43b is fixedly connected with the inclined surface of the adjacent double-sided wedge 44, the length of the radial sliding slot 43a is smaller than the radial length of the inclined surface of the sector 43, and the radial inclined surfaces of the double-sided wedge 44 are respectively slidably connected with the inclined surfaces of the adjacent sectors 43;

the synchronous telescopic part 6 comprises two radial fixed blocks 61 which are oppositely arranged, the two radial fixed blocks 61 are arranged along the length direction of the fan-shaped block 43, the elastic telescopic component 45 is arranged between the two synchronous telescopic parts 6, the radial fixed blocks 61 are fixedly connected with the inner cambered surface of the fan-shaped block 43, a first arc-shaped plate 62 and a second arc-shaped plate 63 are connected to the radial fixed blocks 61 in a staggered mode, the first arc-shaped plate 62 is far away from the fan-shaped block, the second arc-shaped plate 63 is close to the fan-shaped block, a roller 64 is installed at the extending end of the first arc-shaped plate 62, and the extending end of the second arc-shaped plate 63 is in up-down overlapped contact with the adjacent roller 64.

As can be seen in fig. 3-5, the main board clamping member 4 includes an expanding mandrel 41 and an expanding mounting seat 42 movably sleeved on the expanding mandrel 41, a mandrel mounting hole is formed in the mobile phone main board 2, the expanding mandrel 41 is fixedly mounted in the mandrel mounting hole, four sectors 43 are uniformly arranged around the expanding mounting seat 42, synchronous telescopic members 6 are radially arranged between the sectors 43 and the expanding mounting seat 42, adjacent synchronous telescopic members 6 are arranged in a crossed manner, four synchronous telescopic members 6 are uniformly arranged around the expanding mounting seat 42, two-sided wedges 44 are slidably connected between adjacent sectors 43, the two-sided wedges 44 are connected with the expanding mounting seat 42 through an elastic telescopic assembly 45, the same elastic shell 46 is sleeved on the top surfaces of the four sectors 43, the elastic shell 46 is cylindrical, the inner wall of the elastic shell is attached to the outer arc surfaces of the fan-shaped block 43 and the double-sided wedge 44, the outer wall of the elastic shell 46 is tightly abutted to the mobile phone mainboard 2, and a plurality of strip-shaped teeth are distributed on the outer wall of the elastic shell;

the elastic telescopic assembly 45 comprises a telescopic sleeve 45a and a return spring 45b installed in the telescopic sleeve 45a, two ends of the telescopic sleeve 45a are fixedly connected with the double-sided inclined wedge 44 and the tube expansion mounting seat 42 respectively, and two ends of the return spring 45b are abutted to the double-sided inclined wedge 44 and the tube expansion mounting seat 42 respectively.

As can be seen in fig. 5, the telescopic sleeve 45a includes a fixed cylinder 451a, a first telescopic cylinder 452a, and a second telescopic cylinder 453a, which are sequentially sleeved, the bottom of the fixed cylinder 451a is fixedly connected to the expansion cylinder mounting seat 42, the bottom of the second telescopic cylinder 453a is fixedly connected to the double-sided wedge 44, first limit retaining rings 454a are respectively disposed on outer cylinder walls of the first telescopic cylinder 452a and the second telescopic cylinder 453a around an upper cylinder opening, second limit retaining rings 455a are disposed on inner cylinder walls of the fixed cylinder 451a and the first telescopic cylinder 452a around a lower cylinder opening, and the first limit retaining rings 454a abut against the second limit retaining rings 455 a.

When the mobile phone mainboard locating device is used, four mobile phone mainboards to be located are horizontally inserted between two clamping locating plates 22a from four sides of the mainboard fixing seat 22 respectively, the lead screw motor 21 is started to drive the mainboard fixing seat 22 to move downwards, two sides of the mobile phone mainboards are contacted and abutted with the adjacent elastic shells 46 respectively, the fan-shaped blocks 43 contract inwards and radially after being pushed by the mobile phone mainboard 2, the second arc-shaped plates 63 can press against the adjacent rollers 64 downwards, so that the adjacent fan-shaped blocks 43 contract inwards and radially synchronously, the four fan-shaped blocks 43 contract inwards and radially, the fan-shaped blocks 43 rotate around the expansion cylinder mandrel along with the movement of the mobile phone mainboard, and after the U-shaped frame 5 is placed to a horizontal state, the elastic telescopic assembly 45 enables the double-sided wedge 44 to drive the fan-shaped blocks 43 to extend outwards, so that the elastic shells 46 abut against two sides of the mobile phone mainboard 2 for limiting and.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an accurate positioning device of mobile phone motherboard which characterized in that: the lifting main board placing device comprises a bottom board (1) and a lifting main board fixing device (2) installed on the bottom board (1), wherein at least two main board clamping pieces (4) are arranged around the lifting main board fixing device (2), and a main board placing area (3) is formed between the two main board clamping pieces (4) and the lifting main board fixing device (2);

the main board clamping piece (4) comprises an expansion cylinder mandrel (41) and an expansion cylinder mounting seat (42) movably sleeved on the expansion cylinder mandrel (41), the bottom plate (1) is provided with a mandrel mounting hole (11), the tube expansion mandrel (41) is fixedly mounted in the mandrel mounting hole, four fan-shaped blocks (43) are uniformly arranged around the expansion cylinder mounting seat (42), synchronous telescopic parts (6) are radially arranged between the fan-shaped blocks (43) and the expansion cylinder mounting seats (42), the adjacent synchronous telescopic parts (6) are arranged in a crossed manner, the four synchronous telescopic parts (6) are uniformly arranged around the expansion cylinder mounting seats (42), double-faced inclined wedges (44) are connected between the adjacent fan-shaped blocks (43) in a sliding manner, the double-sided wedge (44) is connected with the expansion cylinder mounting base (42) through an elastic telescopic assembly (45), and the top surface of each sector block (43) is sleeved with the same elastic shell (46).

2. The device for accurately positioning the main board of a mobile phone according to claim 1, wherein: the lifting through hole (5) has been seted up on bottom plate (1), lifting mainboard fixing device (2) are including setting up lead screw motor (21) and the activity of bottom plate (1) below are worn to establish mainboard fixing base (22) in lifting through hole (5), the groove (51) are led to vertical having seted up the direction on the pore wall of lifting through hole (5), slidable mounting has a plurality of guide blocks (23) in the groove (51) are led to the direction, and is a plurality of guide block (23) with mainboard fixing base (22) fixed connection, the vertical upwards stretching out of lead screw motor (21), the ball screw of lead screw motor (21) with mainboard fixing base (22) threaded connection.

3. The device for accurately positioning the main board of a mobile phone according to claim 2, wherein: mainboard fixing base (22) are including from top to bottom just to joint locating plate (22a) of setting, two fixed wear to be equipped with same central sleeve (22b) in joint locating plate (22a), central sleeve (22b) with the ball screw threaded connection of screw motor (21), wear out the lower extreme of central sleeve (22b) joint locating plate (22a), guide block (23) with the lower part fixed connection of central sleeve (22 b).

4. The apparatus for precisely positioning a motherboard of a mobile phone according to claim 2 or 3, wherein: the mainboard clamping pieces (4) are eight, the mainboard fixing seats (22) are square seats, the eight mainboard clamping pieces (4) are respectively arranged on the four sides of the square seats in a pairwise opposite mode, and the mainboard placing areas (3) are arranged between the mainboard clamping pieces (4) and the mainboard fixing seats (22).

5. The device for accurately positioning the main board of a mobile phone according to claim 4, wherein: the radial inclined plane of two-sided slide wedge (44) respectively with the inclined plane sliding connection of adjacent sector block (43), elasticity flexible subassembly (45) include telescope tube (45a) and install reset spring (45b) in telescope tube (45a), the both ends of telescope tube (45a) respectively with two-sided slide wedge (44) with expand a section of thick bamboo mount pad (42) fixed connection, the both ends of reset spring (45b) respectively with two-sided slide wedge (44) with expand a section of thick bamboo mount pad (42) and support tightly.

6. The device for accurately positioning the main board of a mobile phone according to claim 1, wherein: the inclined plane of the sector block (43) is provided with a radial sliding groove (43a), a sliding block (43b) is installed in the radial sliding groove (43a) in a sliding mode, the sliding block (43b) is fixedly connected with the inclined plane of the double-faced inclined wedge (44) close to the sliding block, and the length of the radial sliding groove (43a) is smaller than the radial length of the inclined plane of the sector block (43).

7. The apparatus for precisely positioning a motherboard of a mobile phone according to claim 2 or 5, wherein: the synchronous telescopic part (6) comprises two radial fixing blocks (61) which are arranged just opposite to each other, the two radial fixing blocks (61) are arranged along the length direction of the fan-shaped block (43), the two radial fixing blocks (61) are respectively fixedly connected with the inner arc surface of the fan-shaped block (43), a first arc-shaped plate (62) and a second arc-shaped plate (63) are connected to the radial fixing blocks (61) in a staggered mode, the first arc-shaped plate (62) is far away from the fan-shaped block, the second arc-shaped plate (63) is close to the fan-shaped block, a roller (64) is installed at the extending end of the first arc-shaped plate (62), and the extending end of the second arc-shaped plate (63) is in vertically overlapped contact with the adjacent roller (64).

8. The device for accurately positioning the main board of a mobile phone according to claim 5, wherein: the telescopic sleeve (45a) comprises a fixed cylinder body (451a), a first telescopic cylinder body (452a) and a second telescopic cylinder body (453a) which are sequentially sleeved, the bottom of the fixed cylinder body (451a) is fixedly connected with an expansion cylinder mounting seat (42), the bottom of the second telescopic cylinder body (453a) is fixedly connected with the double-faced wedge (44), first limiting retaining rings (454a) are arranged on outer cylinder walls of the first telescopic cylinder body (452a) and the second telescopic cylinder body (453a) around an upper cylinder opening, second limiting retaining rings (455a) are arranged on inner cylinder walls of the fixed cylinder body (451a) and the first telescopic cylinder body (452a) around a lower cylinder opening, and the first limiting retaining rings (454a) are abutted to the second limiting retaining rings (455 a).

9. The apparatus for precisely positioning a motherboard of a mobile phone according to claim 1 or 3, wherein: the elastic shell (46) is cylindrical, the inner wall of the elastic shell (46) is attached to the outer arc surfaces of the fan-shaped block (43) and the double-sided wedge (44), and a plurality of strip-shaped teeth are distributed on the outer wall of the elastic shell (46).