CN215357101U

CN215357101U - Automatic four sides positioning kludge placed in middle

Info

Publication number: CN215357101U
Application number: CN202121818753.5U
Authority: CN
Inventors: 高雷; 谢军; 周怀康
Original assignee: Dongguan Yucheng Precision Machinery Co ltd
Current assignee: Dongguan Yucheng Precision Machinery Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an automatic four-side centering positioning and assembling machine, which comprises a mobile phone battery cover assembling seat, an outer box machine cover, a screw rod centering assembly and an upper suction pressing assembly, and is simple in structure and convenient to use, wherein clamping jaws are fixed on parallel supporting points through a centering mechanism and are provided with linear guide rail groups; under the control of special software, the full-automatic assembly of parts is realized, stations can be set randomly, and the servo motor is matched with a precise screw rod to drive the assembly to realize precise centering work, so that the working efficiency is greatly improved, and the cost is saved.

Description

Automatic four sides positioning kludge placed in middle

Technical Field

The utility model relates to the technical field of mobile phone power supply rear cover assembly, in particular to an automatic four-side centering positioning assembly machine.

Background

The mobile phone is used as an indispensable important device in life of people, and certain requirements are made on the use of assembling equipment of a battery cover in assembling equipment for mobile phone production in the market; however, at present, most of the battery covers assembled in the mobile phone industry adopt manual, semi-automatic processing and jig tools, and the processed products have high defect rate, poor quality consistency, low efficiency, high labor cost, expensive imported machines and high production cost requirement, and are difficult to accept by common factories; therefore, a novel automatic four-side centering assembling machine is needed in the present stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic four-side centering and positioning assembling machine to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: an automatic four-side centering positioning assembling machine comprises a mobile phone battery cover assembling seat, an outer box machine cover, a screw rod centering assembly and an upper suction pressing assembly, wherein the mobile phone battery cover assembling seat is provided with the screw rod centering assembly, the screw rod centering assembly comprises a sensor contact plate, a centering support column, a mobile phone sucker base plate, a vacuum sucker, a reflection type photoelectric pre-positioning pin, a first guide rail support seat, a first linear slide rail, a first linear slide block, a positioning long clamp, a short-edge limiting block, a short-edge transfer steel part, a guide steel block, a pressure sensor, a first fixing steel block, a second fixing steel block, a first positive and negative screw rod, a first screw nut, a first nut seat, a first servo motor seat, a first coupler, a first servo motor, a second guide rail support seat, a screw rod bearing seat, a second servo motor, a second coupler, a second positive and negative screw rod, A second linear slide rail, a second linear slide block, a first positioning short clamp, a guide bearing plate, a small guide pillar limiting block, a long-edge force measuring steel piece, a first long-edge limiting block, a second positioning short clamp, a second long-edge limiting block, a second screw nut, a second nut seat, a groove type photoelectric and clamp source point sensing piece, a positioning long clamp is connected to one side of a mobile phone sucker backing plate in a sliding manner, a short-edge limiting block is arranged on the positioning long clamp, a short-edge shifting steel piece is connected to one side of the mobile phone sucker backing plate in a sliding manner, a guide steel block is fixedly connected to the short-edge shifting steel piece, a pressure sensor is arranged on the guide steel block, a first fixed steel block is fixedly connected to the side wall of the guide steel block, a second fixed steel block is fixedly connected to the first fixed steel block, a first positive and negative screw rod is rotatably connected to the first guide rail supporting seat, a first servo motor seat is fixedly connected to one side of the sensing product contact plate, a first servo motor is fixedly connected on a first servo motor base, a first coupler is fixedly connected on an output shaft of the first servo motor, a first positive and negative tooth screw rod is fixedly connected with the other end of the first coupler, a second guide rail supporting base is fixedly connected on the top end of a sensing product contact plate in a distributed manner, a second positive and negative tooth screw rod is rotatably connected on a screw rod bearing base, a screw rod bearing base is fixedly connected on the second guide rail supporting base, a second servo motor base is arranged on one side of the sensing product contact plate and fixedly connected with the screw rod bearing base, a second servo motor is fixedly connected on the second servo motor base, an output shaft of the second servo motor is fixedly connected with one end of a second coupler, the second positive and negative tooth screw rod is fixedly connected with the other end of the second coupler, a first positioning short clamp is arranged on one side of a mobile phone sucker base plate, and a guide bearing plate is fixedly connected on the first positioning short clamp, the inside laying of guide bearing board has been provided with little guide pillar, the long limit dynamometry steel piece of the one end fixedly connected with of little guide pillar, the first long limit stopper of one side symmetry fixedly connected with of long limit dynamometry steel piece, and one side distribution of guide bearing board is provided with little guide pillar stopper, and one side of cell-phone sucking disc backing plate is provided with the short clip of second location, the long limit stopper of symmetry fixedly connected with second on the short clip of second location.

Further, be provided with outer container aircraft bonnet on the cell-phone battery cover equipment seat, fixedly connected with sensing article contact plate on the cell-phone battery cover equipment seat, the fixedly connected with centering support column of sensing article contact plate upper end distribution, the top fixedly connected with cell-phone sucking disc backing plate of centering support column, the symmetry is provided with vacuum chuck on the cell-phone sucking disc backing plate, is provided with reflection-type photoelectricity on the cell-phone sucking disc backing plate, and the distribution is provided with the pilot pin on the cell-phone sucking disc backing plate.

Furthermore, the sensing product contact plate is symmetrically and fixedly connected with a first guide rail supporting seat, the first guide rail supporting seat is fixedly connected with a first linear slide rail, the first linear slide rail is connected with a first linear slide block in a sliding mode, the bottom end of the long positioning clamp is fixedly connected with the first linear slide block, and the short edge of the sensing product contact plate is fixedly connected with the other first linear slide block.

Furthermore, the first positive and negative screw rods are symmetrically and rotatably connected with first screw rod nuts, the first screw rod nuts are fixedly connected with first nut seats, the bottom ends of the positioning long clamps are fixedly connected with the first nut seats, and the bottom ends of the short edge transfer steel parts are fixedly connected with the other first nut seat.

Furthermore, ball bearings are sleeved at two ends of the first positive and negative screw rod and the second positive and negative screw rod respectively, and the ball bearings are installed inside the first guide rail supporting seat and the screw rod bearing seat respectively.

Furthermore, a second linear slide rail is fixedly connected to the second guide rail supporting seat, a second linear slide block is slidably connected to the second linear slide rail, the bottom end of the first positioning short clip is fixedly connected with the second linear slide block, and the second positioning short clip is fixedly connected with the other group of second linear slide blocks.

Furthermore, a second feed screw nut is symmetrically and rotatably connected to the second positive and negative feed screw, a second nut seat is fixedly connected to the second feed screw nut, the bottom end of the first positioning short clamp is fixedly connected with the second nut seat, and the bottom end of the second positioning short clamp is fixedly connected with the other second nut seat.

Furthermore, groove type photoelectricity is installed on the first guide rail supporting seat and the second guide rail supporting seat, and clamp source point induction pieces are arranged on the short edge transfer steel piece and the second positioning short clamp.

Further, be provided with on the cell-phone battery cover equipment seat and absorb compression fittings, on absorb compression fittings including stand, first mounting panel, guide post, second mounting panel and holding down plate, cell-phone battery cover equipment seat is gone up fixedly connected with stand that distributes, the first mounting panel of top fixedly connected with of stand, the sliding connection that distributes on the first mounting panel has the guide post, the top fixedly connected with second mounting panel of guide post, the below fixedly connected with holding down plate of the bottom correspondence first mounting panel of guide post.

Compared with the prior art, the utility model has the following beneficial effects: the novel structure is simple, the use is convenient, each clamping jaw is fixed on a parallel pivot through a centering mechanism, and a linear guide rail group is arranged, the positive and negative teeth lead screw enables the positioning clamping jaw to be drawn close to the center in a parallel and quantitative mode, the positioning clamping jaw is connected with a pressure sensor to control the force, the product is ensured not to deform within a certain force, the force power source is driven by a controlled servo motor, the purpose of automatic four-side centered positioning and assembling is realized, the device is simple in structure, low in cost, small in occupied space, convenient to operate and reliable in equipment stability, and meanwhile, the assembling speed and the assembling precision efficiency are improved; under the control of special software, the full-automatic assembly of parts is realized, stations can be set randomly, and the servo motor is matched with a precise screw rod to drive the assembly to realize precise centering work, so that the working efficiency is greatly improved, and the cost is saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a perspective view of the screw centering assembly of the present invention;

FIG. 3 is a schematic perspective exploded view of the screw centering assembly of the present invention;

in the figure: 1. a mobile phone battery cover assembling seat; 2. an outer box hood; 3. a screw centering assembly; 4. an upper suction pressing component; 31. a sensing article contact plate; 32. centering the support pillar; 33. a mobile phone sucker base plate; 34. a vacuum chuck; 35. reflective photovoltaic; 36. pre-positioning pins; 37. a first guide rail support seat; 38. a first linear slide rail; 39. a first linear slider; 310. positioning the long clamp; 311. a short edge limiting block; 312. short edge steel transferring; 313. a guide steel block; 314. a pressure sensor; 315. a first fixed steel block; 316. a second fixed steel block; 317. a first positive and negative tooth screw rod; 318. a first lead screw nut; 319. a first nut seat; 320. a first servo motor base; 321. a first coupling; 322. a first servo motor; 323. a second guide rail support seat; 324. a screw rod bearing seat; 325. a second servo motor base; 326. a second servo motor; 327. a second coupling; 328. a second positive and negative tooth screw rod; 329. a second linear slide rail; 330. a second linear slider; 331. a first positioning short clip; 332. a guide bearing plate; 333. a small guide post; 334. a small guide pillar limiting block; 335. a long-side force measuring steel piece; 336. a first long edge limiting block; 337. a second positioning short clip; 338. a second long edge limiting block; 339. a second feed screw nut; 340. a second nut seat; 341. a groove-shaped photoelectric device; 342. a clip source point sensing sheet; 41. a column; 42. a first mounting plate; 43. a guide post; 44. a second mounting plate; 45. and (5) pressing the plate downwards.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an automatic four-side centering positioning assembling machine comprises a mobile phone battery cover assembling seat 1, an outer case hood 2, a screw rod centering assembly 3 and an upper suction pressing assembly 4, wherein the mobile phone battery cover assembling seat 1 is provided with the screw rod centering assembly 3, the screw rod centering assembly 3 comprises a sensor contact plate 31, a centering support column 32, a mobile phone sucker base plate 33, a vacuum sucker 34, a reflection type photoelectric device 35, a prepositioning pin 36, a first guide rail supporting seat 37, a first linear slide rail 38, a first linear slide block 39, a positioning long clamp 310, a short-side limiting block 311, a short-side shifting steel part 312, a guide steel block 313, a pressure sensor 314, a first fixing steel block 315, a second fixing steel block 316, a first positive and negative screw rod 317, a first screw rod nut 318, a first nut seat 319, a first servo motor seat 320, a first coupling 321, a first servo motor 322, a second guide rail supporting seat 323, a screw rod shaft 324, a first servo motor seat 324, a second screw rod shaft 324, a second screw rod, A second servo motor seat 325, a second servo motor 326, a second coupler 327, a second positive and negative tooth lead screw 328, a second linear slide rail 329, a second linear slide block 330, a first positioning short clamp 331, a guide bearing plate 332, a small guide pillar 333, a small guide pillar limit block 334, a long side force measuring steel part 335, a first long side limit block 336, a second positioning short clamp 337, a second long side limit block 338, a second lead screw nut 339, a second nut seat 340, a groove type photoelectric 341 and a clamp source point sensing sheet 342, a positioning long clamp 310 is slidably connected with one side of the mobile phone sucker plate 33, a short side limit block 311 is arranged on the positioning long clamp 310, a short side shifting steel part 312 is slidably connected with one side of the mobile phone sucker plate 33, a guide steel block 313 is fixedly connected with the short side shifting steel part 312, a pressure sensor 314 is arranged on the guide steel block 313, a first fixed steel block 315 is fixedly connected with the side wall of the guide steel block 313, a second fixed steel block 316 is fixedly connected on the first fixed steel block 315, a first positive and negative screw mandrel 317 is rotatably connected on the first guide rail supporting seat 37, a first servo motor seat 320 is fixedly connected on one side of a sensing product contact plate 31, a first servo motor 322 is fixedly connected on the first servo motor seat 320, a first coupler 321 is fixedly connected on an output shaft of the first servo motor 322, the first positive and negative screw mandrel 317 is fixedly connected with the other end of the first coupler 321, a second guide rail supporting seat 323 is fixedly connected on the top end of the sensing product contact plate 31 in a distributed manner, a second positive and negative screw mandrel 328 is rotatably connected on the screw mandrel supporting seat 324, a screw mandrel supporting seat 324 is fixedly connected on the second guide rail supporting seat 323, a second servo motor seat 325 is arranged on one side of the sensing product contact plate 31, the second servo motor seat 325 is fixedly connected with the screw mandrel supporting seat 324, a second servo motor 326 is fixedly connected on the second servo motor seat 325, an output shaft of the second servo motor 326 is fixedly connected with one end of a second coupler 327, a second positive and negative tooth lead screw 328 is fixedly connected with the other end of the second coupler 327, one side of the mobile phone sucker backing plate 33 is provided with a first positioning short clamp 331, a guide bearing plate 332 is fixedly connected to the first positioning short clamp 331, a small guide post 333 is arranged in the guide bearing plate 332, one end of the small guide post 333 is fixedly connected with a long-edge force-measuring steel part 335, one side of the long-edge force-measuring steel part 335 is symmetrically and fixedly connected with a first long-edge limiting block 336, one side of the guide bearing plate 332 is provided with a small guide post limiting block 334, one side of the mobile phone sucker backing plate 33 is provided with a second positioning short clamp 337, and a second long-edge limiting block 338 is symmetrically and fixedly connected to the second positioning short clamp 337; the mobile phone battery cover assembling seat 1 is provided with an outer case hood 2, the mobile phone battery cover assembling seat 1 is fixedly connected with a sensor contact plate 31, the upper end of the sensor contact plate 31 is fixedly connected with centering support columns 32 in a distributed mode, the top ends of the centering support columns 32 are fixedly connected with a mobile phone sucker base plate 33, vacuum suckers 34 are symmetrically arranged on the mobile phone sucker base plate 33, reflection-type photoelectricity 35 are arranged on the mobile phone sucker base plate 33, and pre-positioning pins 36 are distributed on the mobile phone sucker base plate 33; the sensing product contact plate 31 is symmetrically and fixedly connected with a first guide rail supporting seat 37, the first guide rail supporting seat 37 is fixedly connected with a first linear slide rail 38, the first linear slide rail 38 is connected with a first linear slide block 39 in a sliding manner, the bottom end of the positioning long clamp 310 is fixedly connected with the first linear slide block 39, and the bottom end of the short-edge shifting steel part 312 is fixedly connected with the other first linear slide block 39; the first positive and negative lead screw 317 is symmetrically and rotatably connected with a first lead screw nut 318, the first lead screw nut 318 is fixedly connected with a first nut seat 319, the bottom end of the positioning long clamp 310 is fixedly connected with the first nut seat 319, and the bottom end of the short edge shifting steel part 312 is fixedly connected with the other first nut seat 319; ball bearings are sleeved at two ends of the first positive and negative tooth screw rod 317 and the second positive and negative tooth screw rod 328, and the ball bearings are respectively arranged inside the first guide rail supporting seat 37 and the screw rod bearing seat 324; a second linear slide rail 329 is fixedly connected to the second guide rail support base 323, a second linear slide block 330 is slidably connected to the second linear slide rail 329, the bottom end of the first positioning short clamp 331 is fixedly connected to the second linear slide block 330, and the second positioning short clamp 337 is fixedly connected to the other group of second linear slide blocks 330; a second feed screw nut 339 is symmetrically and rotatably connected to the second positive and negative feed screw 328, a second nut seat 340 is fixedly connected to the second feed screw nut 339, the bottom end of the first positioning short clamp 331 is fixedly connected with the second nut seat 340, and the bottom end of the second positioning short clamp 337 is fixedly connected with the other second nut seat 340; groove-shaped photoelectricity 341 are arranged on the first guide rail supporting seat 37 and the second guide rail supporting seat 323, and clamp source point induction pieces 342 are arranged on the short edge shifting steel part 312 and the second positioning short clamp 337; the mobile phone battery cover assembling seat 1 is provided with an upper suction pressing assembly 4, the upper suction pressing assembly 4 comprises a stand column 41, a first mounting plate 42, a guide column 43, a second mounting plate 44 and a lower pressing plate 45, the stand column 41 is fixedly connected to the mobile phone battery cover assembling seat 1 in a distributed manner, the first mounting plate 42 is fixedly connected to the top end of the stand column 41, the guide column 43 is slidably connected to the first mounting plate 42 in a distributed manner, the second mounting plate 44 is fixedly connected to the top end of the guide column 43, and the lower pressing plate 45 is fixedly connected to the bottom end of the guide column 43 corresponding to the lower side of the first mounting plate 42; when the automatic assembling machine for the battery cover is used, firstly, a mobile phone to be assembled is placed on the vacuum chuck 34, the first servo motor 322 and the second servo motor 326 are started to respectively drive the first positive and negative screw mandrel 317 and the second positive and negative screw mandrel 328 to rotate, further drive the first screw mandrel nut 318 and the second screw mandrel nut 339 to move, and under the coordination of the first nut seat 319 and the second nut seat 340, the positioning long clamp 310, the short side transfer steel piece 312, the first positioning short clamp 331 and the second positioning short clamp 337 are driven to move towards the center of the mobile phone sucker backing plate 33, and the mobile phone is stably clamped through the coordination of the positioning long clamp 310, the short side transfer steel piece 312, the short side limiting block 311 on the first positioning short clamp 331 and the second positioning short clamp 337, the second fixing steel block 316, the first long side limiting block 336 and the second long side limiting block 338, and then the mobile phone is tightly sucked and positioned through the vacuum chuck 34, the first servo motor 322 and the second servo motor 326 are started again, so that the short-edge limiting block 311, the second fixed steel block 316, the first long-edge limiting block 336 and the second long-edge limiting block 338 are reset, the battery cover is manually placed at the specified positions of the short-edge limiting block 311, the second fixed steel block 316, the first long-edge limiting block 336 and the second long-edge limiting block 338, the first servo motor 322 and the second servo motor 326 are started again to perform battery cover alignment, then the upper suction pressing assembly 4 is started, the battery cover is tightly sucked through the lower pressing plate 45, the first servo motor 322 and the second servo motor 326 are started again, so that the short-edge limiting block 311, the second fixed steel block 316, the first long-edge limiting block 336 and the second long-edge limiting block 338 are reset, finally, the upper suction pressing assembly 4 is started again, and the battery cover is pressed and assembled on the mobile phone through the lower pressing plate 45.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic four sides location kludge placed in middle, includes that cell-phone battery cover equipment seat (1), outer container aircraft bonnet (2), lead screw centering subassembly (3) and last absorption pressing components (4), its characterized in that: the mobile phone battery cover assembling base (1) is provided with a lead screw centering component (3), the lead screw centering component (3) comprises a sensing product contact plate (31), a centering support column (32), a mobile phone sucker base plate (33), a vacuum sucker (34), a reflection-type photoelectric device (35), a prepositioning pin (36), a first guide rail support base (37), a first linear slide rail (38), a first linear slide block (39), a positioning long clamp (310), a short-edge limiting block (311), a short-edge shifting steel part (312), a guide steel block (313), a pressure sensor (314), a first fixed steel block (315), a second fixed steel block (316), a first positive and negative lead screw (317), a first lead screw nut (318), a first nut base (319), a first servo motor base (320), a first coupler (321), a first servo motor (322), a second guide rail support base (323), A screw rod bearing seat (324), a second servo motor seat (325), a second servo motor (326), a second coupler (327), a second positive and negative screw rod (328), a second linear slide rail (329), a second linear slide block (330), a first positioning short clamp (331), a guide bearing plate (332), a small guide pillar (333), a small guide pillar limit block (334), a long-edge force measuring steel piece (335), a first long-edge limit block (336), a second positioning short clamp (337), a second long-edge limit block (338), a second screw rod nut (339), a second nut seat (340), a groove-shaped photoelectric piece (341) and a clamp source point induction sheet (342), wherein one side of a mobile phone sucker base plate (33) is slidably connected with the positioning long clamp (310), the positioning long clamp (310) is provided with a limit block short edge (311), one side of the mobile phone sucker base plate (33) is slidably connected with a shifting short-edge steel piece (312), a guide steel block (313) is fixedly connected to the short-side transfer steel part (312), a pressure sensor (314) is arranged on the guide steel block (313), a first fixed steel block (315) is fixedly connected to the side wall of the guide steel block (313), a second fixed steel block (316) is fixedly connected to the first fixed steel block (315), a first positive and negative tooth screw rod (317) is rotatably connected to the first guide rail support seat (37), a first servo motor seat (320) is fixedly connected to one side of the sensing product contact plate (31), a first servo motor (322) is fixedly connected to the first servo motor seat (320), a first coupler (321) is fixedly connected to an output shaft of the first servo motor (322), the first positive and negative tooth screw rod (317) is fixedly connected to the other end of the first coupler (321), and a second guide rail support seat (323) is fixedly connected to the top end of the sensing product contact plate (31), a second positive and negative tooth screw rod (328) is rotatably connected on the screw rod bearing seat (324), a screw rod bearing seat (324) is fixedly connected on the second guide rail supporting seat (323), a second servo motor seat (325) is arranged on one side of the sensing product contact plate (31), the second servo motor seat (325) is fixedly connected with the screw rod bearing seat (324), a second servo motor (326) is fixedly connected on the second servo motor seat (325), an output shaft of the second servo motor (326) is fixedly connected with one end of a second coupler (327), the second positive and negative tooth screw rod (328) is fixedly connected with the other end of the second coupler (327), a first positioning short clamp (331) is arranged on one side of the mobile phone sucker (33), a guide bearing plate (332) is fixedly connected on the first positioning short clamp (331), and a small guide post (333) is arranged in the inner part of the guide bearing plate (332), one end of the small guide pillar (333) is fixedly connected with a long-edge force measuring steel part (335), one side of the long-edge force measuring steel part (335) is symmetrically and fixedly connected with a first long-edge limiting block (336), one side of the guide bearing plate (332) is provided with the small guide pillar limiting block (334), one side of the mobile phone sucker base plate (33) is provided with a second positioning short clamp (337), and the second positioning short clamp (337) is symmetrically and fixedly connected with a second long-edge limiting block (338).

2. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: the mobile phone battery cover assembling base is characterized in that an outer case hood (2) is arranged on the mobile phone battery cover assembling base (1), a sensor contact plate (31) is fixedly connected onto the mobile phone battery cover assembling base (1), centering support columns (32) are fixedly connected to the upper end of the sensor contact plate (31) in a distributed mode, a mobile phone sucker base plate (33) is fixedly connected to the top ends of the centering support columns (32), vacuum suckers (34) are symmetrically arranged on the mobile phone sucker base plate (33), reflection-type photoelectricity (35) are arranged on the mobile phone sucker base plate (33), and pre-positioning pins (36) are arranged on the mobile phone sucker base plate (33) in a distributed mode.

3. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: the sensor product contact plate is characterized in that first guide rail supporting seats (37) are symmetrically and fixedly connected to the sensor product contact plate (31), first linear sliding rails (38) are fixedly connected to the first guide rail supporting seats (37), first linear sliding blocks (39) are slidably connected to the first linear sliding rails (38), the bottom end of a long positioning clamp (310) is fixedly connected with the first linear sliding blocks (39), and the bottom end of a short-edge transfer steel part (312) is fixedly connected with the other first linear sliding block (39).

4. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: the first screw rod (317) with the positive and negative teeth is symmetrically and rotatably connected with a first screw rod nut (318), the first screw rod nut (318) is fixedly connected with a first nut seat (319), the bottom end of the positioning long clamp (310) is fixedly connected with the first nut seat (319), and the bottom end of the short-edge shifting steel piece (312) is fixedly connected with the other first nut seat (319).

5. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: ball bearings are sleeved at two ends of the first positive and negative tooth screw rod (317) and the second positive and negative tooth screw rod (328), and the ball bearings are respectively installed inside the first guide rail supporting seat (37) and the screw rod bearing seat (324).

6. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: the second guide rail supporting seat (323) is fixedly connected with a second linear sliding rail (329), the second linear sliding rail (329) is connected with a second linear sliding block (330) in a sliding manner, the bottom end of the first positioning short clamp (331) is fixedly connected with the second linear sliding block (330), and the second positioning short clamp (337) is fixedly connected with the other group of second linear sliding blocks (330).

7. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: the second screw rod nut (339) is symmetrically and rotatably connected to the second positive and negative screw rod (328), the second screw rod nut (339) is fixedly connected with a second nut seat (340), the bottom end of the first positioning short clamp (331) is fixedly connected with the second nut seat (340), and the bottom end of the second positioning short clamp (337) is fixedly connected with the other second nut seat (340).

8. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: groove-shaped photoelectricity (341) are installed on the first guide rail supporting seat (37) and the second guide rail supporting seat (323), and clamp source point induction pieces (342) are arranged on the short-edge transfer steel piece (312) and the second positioning short clamp (337).

9. The automatic four-side centering and positioning assembling machine according to claim 1, characterized in that: be provided with on cell-phone battery cover equipment seat (1) and absorb compression fittings (4), on absorb compression fittings (4) including stand (41), first mounting panel (42), guide post (43), second mounting panel (44) and holding down plate (45), cell-phone battery cover equipment seat (1) goes up distribution fixedly connected with stand (41), the first mounting panel of top fixedly connected with (42) of stand (41), it has guide post (43) to distribute sliding connection on first mounting panel (42), the top fixedly connected with second mounting panel (44) of guide post (43), the below fixedly connected with holding down plate (45) of first mounting panel (42) is corresponding to the bottom of guide post (43).