CN211991701U - Automatic locking device for miniature screw - Google Patents

Automatic locking device for miniature screw Download PDF

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Publication number
CN211991701U
CN211991701U CN202020611463.2U CN202020611463U CN211991701U CN 211991701 U CN211991701 U CN 211991701U CN 202020611463 U CN202020611463 U CN 202020611463U CN 211991701 U CN211991701 U CN 211991701U
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CN
China
Prior art keywords
screw
clamp
assembly
positioning
automatic
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Active
Application number
CN202020611463.2U
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Chinese (zh)
Inventor
夏康芳
刘大伟
邹建辉
周德辉
陈宁
付强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Suntek Technology Co ltd
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Shenzhen Suntek Technology Co ltd
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Publication date
Application filed by Shenzhen Suntek Technology Co ltd filed Critical Shenzhen Suntek Technology Co ltd
Priority to CN202020611463.2U priority Critical patent/CN211991701U/en
Application granted granted Critical
Publication of CN211991701U publication Critical patent/CN211991701U/en
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Abstract

The utility model discloses a micro screw automatic locking device, which comprises a frame, at least two reciprocating translation modules, a plurality of positioning clamps, an automatic screw tightening mechanism and a plurality of visual detection mechanisms; each reciprocating translation module is arranged at the top of the rack along the Y-axis direction of the rack; each reciprocating translation module is provided with a positioning clamp, and the positioning clamp is driven by the reciprocating translation module to move along the Y-axis direction; the automatic screw tightening mechanism is arranged above the reciprocating translation module and the positioning clamp and used for locking screws on the PCB on the positioning clamp; and a visual detection mechanism is also arranged above one end of each reciprocating translation module and used for detecting the screw locking condition of the PCB. The utility model has the advantages of accurate, the reciprocal incessant transport of multistation, automatic lock screw, visual detection, improve work efficiency and production yield.

Description

Automatic locking device for miniature screw
Technical Field
The utility model relates to a PCB board production facility technical field especially relates to an automatic locking device of miniature screw.
Background
With the wider application of electronic equipment, the demand of the PCB is huge; the PCB production process is various, and the PCB is required to be locked and fixed on a corresponding assembly part through a micro screw after the production is finished; the existing production mode mostly adopts manual operation, the efficiency is slow, a PCB clamp is not provided with a pressing function, the positioning is not accurate, a product is easy to shake, so that screws slip, and the yield is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic locking device of miniature screw has functions such as the accurate, the reciprocal incessant transport of multistation of location, automatic lock screw, visual detection, improves work efficiency and production yield.
In order to realize the purpose, the following technical scheme is adopted:
a micro automatic screw locking device comprises a rack, at least two reciprocating translation modules, a plurality of positioning clamps, an automatic screw tightening mechanism and a plurality of visual detection mechanisms; each reciprocating translation module is arranged at the top of the rack along the Y-axis direction of the rack; each reciprocating translation module is provided with a positioning clamp, and the positioning clamp is driven by the reciprocating translation module to move along the Y-axis direction; the automatic screw tightening mechanism is arranged above the reciprocating translation module and the positioning clamp and used for locking screws on the PCB on the positioning clamp; and a visual detection mechanism is also arranged above one end of each reciprocating translation module and used for detecting the screw locking condition of the PCB.
Furthermore, the positioning clamp comprises a clamp base, a clamp cover plate and a driving cylinder; the clamp cover plate is hinged to the clamp base and is driven by the driving cylinder to turn over so as to cover or open the clamp base.
Furthermore, the top of the clamp base is provided with a fixing groove for placing the assembly part and the PCB.
Further, the clamp cover plate is hinged with the clamp base through a connecting assembly; the connecting assembly comprises a first connecting piece and a second connecting piece; the first end of the first connecting piece is fixedly connected with one side of the clamp cover plate, and the second end of the first connecting piece is hinged with the output end of the driving cylinder; and two ends of the second connecting piece are respectively hinged with the middle part of the first connecting piece and one side of the clamp base.
Furthermore, the clamp cover plate is provided with a plurality of through holes corresponding to the positions of the locking screws.
Further, a first positioning sensor and a second positioning sensor are installed on the periphery of the top of the clamp base.
Further, the automatic screw tightening mechanism comprises an X-axis translation assembly, a Z-axis translation assembly, a screw tightening gun and a screw feeder; the screw feeding machine is arranged at the top of the frame; the screw tightening gun is erected above the screw feeder through the X-axis translation assembly and the Z-axis translation assembly and is driven to grab and tighten through the X-axis translation assembly and the Z-axis translation assembly.
Further, a screw adsorption sleeve is arranged at the bottom of the screw tightening gun; the top of the screw adsorption sleeve is connected with the output end of the screw tightening gun, the side is provided with an adapter connected with an external vacuum air source, and the bottom of the screw adsorption sleeve is provided with a suction nozzle sleeve.
Further, the visual detection mechanism comprises a mounting bracket and a CCD visual camera component; the CCD vision camera assembly is erected above one end part of the corresponding reciprocating translation module through the mounting bracket.
Adopt above-mentioned scheme, the beneficial effects of the utility model are that:
1) the positioning fixture can quickly assemble and disassemble the assembly parts and the PCB, has the functions of fixing and pressing, prevents shaking and is accurate in positioning;
2) the reciprocating translation module ensures that the positioning clamp can be quickly and accurately conveyed to a screwing position; the plurality of groups of reciprocating translation modules and the positioning fixture form a plurality of operation stations, so that the working efficiency is improved;
3) the mounting condition of the miniature screws is detected through a visual detection mechanism, defective products are identified, and the yield of off-line is improved;
4) the screw tightening gun and the screw feeder can automatically supply micro screws and quickly adsorb the micro screws to finish tightening actions.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the positioning jig of the present invention;
fig. 3 is a perspective view of the automatic screw tightening mechanism of the present invention;
wherein the figures identify the description:
1-a frame, 2-a reciprocating translation module,
3-a positioning clamp, 4-an automatic screw tightening mechanism,
5-visual inspection mechanism, 6-PCB
31-a clamp base, 32-a clamp cover plate,
33-driving cylinder, 34-first positioning sensor,
35-a second positioning sensor, 36-a connecting component,
41-X axis translation component, 42-Z axis translation component,
43-screw tightening gun, 44-screw feeder,
431-screw adsorption sleeve, 51-mounting bracket,
52-a CCD vision camera assembly.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, an automatic locking device for a miniature screw comprises a frame 1, at least two reciprocating translation modules 2, a plurality of positioning clamps 3, an automatic screw tightening mechanism 4 and a plurality of visual detection mechanisms 5; each reciprocating translation module 2 is arranged at the top of the rack 1 along the Y-axis direction of the rack 1; each reciprocating translation module 2 is provided with a positioning clamp 3, and the positioning clamp 3 moves along the Y-axis direction through the reciprocating translation module 2; the automatic screw tightening mechanism 4 is arranged above the reciprocating translation module 2 and the positioning clamp 3 and used for locking screws on the PCB 6 on the positioning clamp 3; and a visual detection mechanism 5 is also arranged above one end of each reciprocating translation die 2 group and used for checking the screw locking condition of the PCB 6.
The automatic locking device for the miniature screws further comprises a control system, and each reciprocating translation module 2, each positioning clamp 3, the automatic screw tightening mechanism 4 and each visual detection mechanism 5 are electrically connected to the control system.
The positioning clamp 3 comprises a clamp base 31, a clamp cover plate 32 and a driving cylinder 33; the clamp cover plate 32 is hinged to the clamp base 31 and is driven by a driving cylinder 33 to be folded to cover or open the clamp base 31. The top of the clamp base 31 is provided with a fixing groove for placing the assembly part and the PCB 6. The clamp cover plate 32 is hinged with the clamp base 31 through a connecting component 36; the connecting assembly 36 includes a first connecting member 361 and a second connecting member 362; the first end of the first connecting piece 361 is fixedly connected with one side of the clamp cover plate 32, and the second end of the first connecting piece 361 is hinged with the output end of the driving cylinder 33; both ends of the second connecting member 362 are respectively hinged to the middle of the first connecting member 361 and one side of the clamp base 31. The clamp cover plate 32 is provided with a plurality of through holes corresponding to the positions of the locking screws. A first positioning sensor 34 and a second positioning sensor 35 are mounted on the top peripheral side of the jig base 31.
The driving cylinder 33 is fixedly arranged on one side of the clamp base 31 and is connected with an external air source; the driving cylinder 33 stretches to drive the clamp cover plate 32 to turn over and cover or open the clamp base 31, so that the PCB 6 is compressed or loosened. The output end of the first positioning sensor 34 faces the PCB 6 for sensing whether the PCB 6 is in place or not, and feeding back a signal to control the driving cylinder 33 to work; the sensing end of the second positioning sensor 35 faces upwards and is used for sensing the position of the clamp cover plate 32, and when the clamp cover plate 32 is in a covering state, a sensing signal is triggered and a feedback control system controls the reciprocating translation module 2 to work; after the PCB 6 is placed in place, the signal of the first sensor 34 can be triggered, then the positioning fixture 3 is started to clamp and position, and the signal of the second positioning sensor 35 is triggered, so that the purpose of error prevention is achieved, and the positioning accuracy is improved. The reciprocating translation module 2 comprises an electric sliding table and a clamp mounting bottom plate; the electric sliding table is fixedly connected to the top of the rack 1 along the Y-axis direction of the rack 1; the clamping base 31 is connected with the electric sliding table in a driving mode through the clamp mounting base plate so as to drive the positioning clamp 3 to move to the position below the automatic screw tightening mechanism 4 to perform screw tightening operation.
The automatic screw tightening mechanism 4 comprises an X-axis translation assembly 41, a Z-axis translation assembly 42, a screw tightening gun 43 and a screw feeder 44; the screw feeder 44 is mounted on the top of the frame; the screw tightening gun 43 is arranged above the screw feeder 44 through the X-axis translation assembly 41 and the Z-axis translation assembly rack 42, and is driven by the X-axis translation assembly 41 and the Z-axis translation assembly rack 42 to grab and tighten materials. The bottom of the screw tightening gun 43 is provided with a screw adsorption sleeve 431; the top of the screw adsorption sleeve 431 is connected with the output end of the screw tightening gun 43, the side end of the screw adsorption sleeve is provided with an adapter connected with an external vacuum air source, and the bottom of the screw adsorption sleeve is provided with a suction nozzle sleeve. The X-axis translation assembly 42 includes an X-axis electric slide; the Z-axis translation assembly 43 comprises a Z-axis electric sliding table; the X-axis electric sliding table is erected on the rack 1 through two upright posts; the Z-axis electric sliding table is driven to move in a translation mode along the X direction by the X-axis electric sliding table; the screw tightening gun 43 is installed on the Z-axis electric sliding table and is driven by the Z-axis electric sliding table to suck and tighten screws along the Z-axis.
The visual inspection mechanism 5 comprises a mounting bracket 51 and a CCD visual camera component 52; the CCD vision camera assembly 52 is mounted over an end of the corresponding reciprocating translational module 2 via a mounting bracket 51. The positioning clamp 3 moves to the detection position of the CCD vision camera component 52 through the reciprocating translation module 2, and the screwing state is judged.
In one embodiment, the number of the reciprocating translation modules 2 is two, and the number of the corresponding positioning fixture 3 and the visual inspection mechanism 5 is also two, so as to form two stations; the screw feeder 44 is located between the two reciprocating translation modules 2, and the screw tightening gun 43 is driven to reciprocate between the two reciprocating translation modules 2 through the X-axis translation assembly 41.
The utility model discloses a working procedure:
1) an operator sequentially places the assembly parts and the PCB 6 on the positioning fixture 3, and starts the positioning fixture 3 to clamp and fix the PCB 6 and the assembly parts after the assembly parts and the PCB are placed in place;
2) the reciprocating translation module 2 drives the positioning clamp 3 to move to a screwing position, and the screw tightening gun 43 drives the micro screw on the movable suction screw feeder 44 to move through the X-axis translation assembly 41 and the Z-axis translation assembly 42 and moves to the screwing position to complete the screw tightening operation;
3) the reciprocating translation module 2 drives the positioning clamp 3 to move to the visual detection station, the driving cylinder 33 opens the clamp cover plate 32, and the CCD visual camera component 52 detects the qualified product and then carries out the offline action.
The two stations carry out the feeding and discharging actions in sequence, and the automatic screw tightening mechanism 4 continuously tightens the two stations, so that the operation efficiency is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A micro automatic screw locking device is characterized by comprising a rack, at least two reciprocating translation modules, a plurality of positioning clamps, an automatic screw tightening mechanism and a plurality of visual detection mechanisms; each reciprocating translation module is arranged at the top of the rack along the Y-axis direction of the rack; each reciprocating translation module is provided with a positioning clamp, and the positioning clamp is driven by the reciprocating translation module to move along the Y-axis direction; the automatic screw tightening mechanism is arranged above the reciprocating translation module and the positioning clamp and used for locking screws on the PCB on the positioning clamp; and a visual detection mechanism is also arranged above one end of each reciprocating translation module and used for detecting the screw locking condition of the PCB.
2. The automatic locking device for the miniature screws according to claim 1, wherein the positioning fixture comprises a fixture base, a fixture cover plate and a driving cylinder; the clamp cover plate is hinged to the clamp base and is driven by the driving cylinder to turn over so as to cover or open the clamp base.
3. The automatic locking device for miniature screws as claimed in claim 2, wherein the top of the fixture base is provided with a fixing groove for placing the assembly member and the PCB.
4. The automatic locking device for miniature screws according to claim 2, wherein the clamp cover is hinged to the clamp base via a connecting assembly; the connecting assembly comprises a first connecting piece and a second connecting piece; the first end of the first connecting piece is fixedly connected with one side of the clamp cover plate, and the second end of the first connecting piece is hinged with the output end of the driving cylinder; and two ends of the second connecting piece are respectively hinged with the middle part of the first connecting piece and one side of the clamp base.
5. The automatic locking device for miniature screws according to claim 2, wherein said clamp cover plate is provided with a plurality of through holes corresponding to the positions of the locking screws.
6. The automatic locking device for miniature screws according to claim 2, wherein the periphery of the top of the clamp base is provided with a first positioning sensor and a second positioning sensor.
7. The automatic locking device for miniature screws according to claim 1, wherein the automatic screw tightening mechanism comprises an X-axis translation assembly, a Z-axis translation assembly, a screw tightening gun and a screw feeder; the screw feeding machine is arranged at the top of the frame; the screw tightening gun is erected above the screw feeder through the X-axis translation assembly and the Z-axis translation assembly and is driven to grab and tighten through the X-axis translation assembly and the Z-axis translation assembly.
8. The automatic locking device for miniature screws according to claim 7, wherein a screw adsorption sleeve is arranged at the bottom of the screw tightening gun; the top of the screw adsorption sleeve is connected with the output end of the screw tightening gun, the side is provided with an adapter connected with an external vacuum air source, and the bottom of the screw adsorption sleeve is provided with a suction nozzle sleeve.
9. The automatic locking device for miniature screws according to claim 1, wherein said visual inspection mechanism comprises a mounting bracket, a CCD vision camera assembly; the CCD vision camera assembly is erected above one end part of the corresponding reciprocating translation module through the mounting bracket.
CN202020611463.2U 2020-04-21 2020-04-21 Automatic locking device for miniature screw Active CN211991701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020611463.2U CN211991701U (en) 2020-04-21 2020-04-21 Automatic locking device for miniature screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020611463.2U CN211991701U (en) 2020-04-21 2020-04-21 Automatic locking device for miniature screw

Publications (1)

Publication Number Publication Date
CN211991701U true CN211991701U (en) 2020-11-24

Family

ID=73416060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020611463.2U Active CN211991701U (en) 2020-04-21 2020-04-21 Automatic locking device for miniature screw

Country Status (1)

Country Link
CN (1) CN211991701U (en)

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