CN112004399A - Automatic assembling and buckling device for elastic buckle and control method - Google Patents

Automatic assembling and buckling device for elastic buckle and control method Download PDF

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Publication number
CN112004399A
CN112004399A CN202010624587.9A CN202010624587A CN112004399A CN 112004399 A CN112004399 A CN 112004399A CN 202010624587 A CN202010624587 A CN 202010624587A CN 112004399 A CN112004399 A CN 112004399A
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China
Prior art keywords
carrier
shell
circuit board
buckling
axis
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Granted
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CN202010624587.9A
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Chinese (zh)
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CN112004399B (en
Inventor
张京梁
林翔
黄麦多
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Huizhou Desay SV Automotive Co Ltd
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Huizhou Desay SV Automotive Co Ltd
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Priority to CN202010624587.9A priority Critical patent/CN112004399B/en
Publication of CN112004399A publication Critical patent/CN112004399A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/04Mounting of components, e.g. of leadless components
    • H05K13/0404Pick-and-place heads or apparatus, e.g. with jaws
    • H05K13/0408Incorporating a pick-up tool
    • H05K13/0409Sucking devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0015Orientation; Alignment; Positioning
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/08Monitoring manufacture of assemblages
    • H05K13/081Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
    • H05K13/0812Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines the monitoring devices being integrated in the mounting machine, e.g. for monitoring components, leads, component placement
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/08Monitoring manufacture of assemblages
    • H05K13/082Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Operations Research (AREA)
  • Automatic Assembly (AREA)

Abstract

The invention relates to an automatic assembly buckling device for an elastic buckle, which comprises a signal input unit, a control unit and an execution unit. The signal input unit includes: a plurality of sensors, touch-sensitive screen, operating button, the control unit includes: data acquisition module, central processing unit, closed loop servo encoder, gas drive module, electric drive module, the execution unit includes: the device comprises a Y-axis carrier, a Y-axis fourth assembly part buckling mechanism, a Z1-axis second assembly part buckling mechanism, a Z2-axis third assembly part buckling mechanism, an X-axis conveying mechanism, a Y-axis conveying mechanism, a Z-axis conveying mechanism, a static eliminator and a safety protection mechanism. The Y-axis carrier comprises a plastic shell carrier, a circuit board carrier and an aluminum shell carrier. The Y-axis fourth assembly latch mechanism includes a face shell carrier. Compared with the traditional method, the device has stable assembly function, reliable detection feedback, functions of eliminating electrostatic damage, inaccurate buckling, collision, silica gel falling and overlarge stress risk, automatic buckling, high production efficiency and small volume.

Description

Automatic assembling and buckling device for elastic buckle and control method
Technical Field
The invention relates to the technical field of automatic assembly, in particular to an automatic assembly buckling device for an elastic buckle and a control method.
Background
The vehicle-mounted data transmission assembly product is divided into two parts, namely a circuit board and a shell. The front and back sides of the circuit board are densely provided with various control chips and data processing chips, wherein the control chips and the data processing chips are core components, and the shell parts of the circuit board are a plastic shell, an aluminum shell and a face shell. The circuit board is fixed in the cavity of the plastic shell through the buckle of the plastic shell, the aluminum shell, the surface shell and the plastic shell are respectively provided with a plurality of buckling points, the circuit board is buckled with each other to form a protective shell, and the shell has the protection functions of dust prevention, heat dissipation and grounding. The existing manual buckling process is easy to control the assembling force inaccurately, the circuit board is easy to deform, and even the chip on the circuit board fails due to excessive strain. The buckling of the shell is also inaccurate in force control, inconsistent in buckling effect and even in severe tripping. The existing mechanism relies on hard-to-hard contact, has vibration, and is easy to generate the problems of collision and material falling. The related industries do not have the perfect solution, basically depend on manual assembly, and have higher dependence on the skills of personnel. The buckling operation is complicated, the reliability is insufficient, and the process quality control is unstable.
The manual assembly of the existing vehicle-mounted data transmission assembly product has the following defects:
(1) the assembly force is not accurately controlled, so that the circuit board is easy to deform, and even the chip on the circuit board fails due to excessive strain;
(2) the buckling force of the shell is not accurately controlled, and the buckling effect is inconsistent, so that the shell is tripped;
(3) the existing method is characterized in that the contact is hard to hard, vibration exists, a collision part is easy to generate, and materials fall off;
(4) the buckling operation is complicated, and the working efficiency is low;
(5) the reliability is not enough, and the process quality control is not stable.
Aiming at the problems, the invention provides an automatic assembly buckling device of an elastic buckle and a control method.
Disclosure of Invention
The invention aims to solve the problems that the existing product is manually assembled, the assembly force is inaccurate to control, a circuit board is easy to deform, even a chip on the circuit board fails, the buckling force of a shell is inaccurate to control, the buckling effect is inconsistent, tripping is caused, hard-to-hard contact is relied on, vibration is caused, a collision piece is easy to generate, materials fall off, buckling operation is complicated, the working efficiency is low, the reliability is insufficient, and the process control is unstable. The concrete solution is as follows:
an automatic assembly and buckling device for an elastic buckle comprises a signal input unit, a control unit electrically connected with the input unit, and an execution unit electrically connected with the control unit.
The signal input unit includes:
the sensors are used for sensing and monitoring the target position and the safety condition of assembly operation;
the touch screen is used for calling programs, simulating input and output information display;
an operation button for starting the device;
the control unit includes:
the data acquisition module is used for converting the acquired input signals into signals which can be recognized by a system;
the central processing unit is used for processing the input/output signals according to a set running program, controlling the whole running system and converting program instructions sent by the system into signals executable by hardware;
the closed-loop servo encoder is used for monitoring the load and the pulse quantity of the feedback servo motor;
the pneumatic driving module is used for controlling the operation positions and the movement speeds of the plurality of cylinders;
the electric drive module is used for controlling the servo motors to run to preset positions at required speed;
the execution unit includes:
the Y-axis carrier is used for conveying the assembly parts in the Y-axis direction, and integrating a plurality of carriers to place and position the assembly parts;
the Y-axis fourth assembly part buckling mechanism is used for providing a placement positioning area and assembly of the fourth assembly part;
the Z1 shaft second assembly part buckling mechanism is used for driving and sucking the second assembly part to be buckled with the first assembly part and monitoring the feedback stress state;
the Z2 shaft third assembly part buckling mechanism is used for driving and sucking the third assembly part to be buckled with the first assembly part and monitoring the feedback stress state;
the X-axis conveying mechanism is used for driving the linear module to convey a Z axis in the X-axis direction, and the Z axis comprises two parallel Z1 axes and a Z2 axis;
the Y-axis conveying mechanism is used for driving the linear module to convey the Y-axis carrier in the Y-axis direction;
the Z-axis conveying mechanism is used for driving the linear module conveying sliding table in the Z-axis direction;
the static eliminator is used for eliminating static electricity within a certain range and eliminating dust from flowing;
and the safety protection mechanism is used for protecting the device and the assembly parts under abnormal conditions.
Further, the plurality of fittings includes a first fitting, a second fitting, a third fitting, a fourth fitting; the first assembly part is a plastic shell, the second assembly part is a circuit board, the third assembly part is an aluminum shell, and the fourth assembly part is a surface shell. The safety protection mechanism comprises an emergency stop switch, a safety cover and a plurality of indicating lamps.
Further, the plurality of sensors includes:
the photoelectric sensor is used for sensing each target position and providing a sensing signal for the central processing unit;
the laser sensor is used for sensing the positions of all targets and providing sensing signals for the central processing unit;
the metal sensor is used for monitoring whether the aluminum shell is at a required position or not and providing a sensing signal for the central processing unit;
the color mark sensor is used for detecting whether silica gel or foam exists or not and providing a sensing signal for the central processing unit;
the vacuum sensor is used for detecting whether the sucker is under negative pressure or not and providing a sensing signal for the central processing unit;
the pressure sensor is used for detecting the pressure borne by the circuit board, the aluminum shell and the surface shell and providing a sensing signal for the central processing unit;
the safety sensor is used for stopping action when interference exists outside;
and the magnetic ring inductor is used for monitoring whether the air cylinder is at a required position or not and providing an induction signal for the central processing unit.
Furthermore, the X-axis conveying mechanism, the Y-axis conveying mechanism and the Z-axis conveying mechanism are respectively provided with a servo motor; the X-axis conveying mechanism is horizontally erected on one side, close to the rear, of the device, the Y-axis conveying mechanism is horizontally arranged on the surface of the middle of the device and is perpendicular to a projection line of the X-axis conveying mechanism on the surface of the device, and the Z-axis conveying mechanism is perpendicular to and intersected with the X-axis conveying mechanism.
Furthermore, the Y-axis carrier sequentially comprises a plastic shell carrier, a circuit board carrier and an aluminum shell carrier from left to right; the Y-axis fourth assembly part buckling mechanism is fixedly arranged on the left front side of the device and comprises a face shell carrier, a spinning cylinder arranged on the left side of the face shell carrier, a pressure sensor and a laser sensor arranged on the front side of the face shell carrier, a pressing strip mechanism arranged on the upper side of the face shell carrier and connected with the spinning cylinder, a positioning column arranged on the rear side of the face shell carrier and a lug mechanism arranged below the positioning column, wherein the pressing strip mechanism is used for pressing the face shell.
Further, mould shell carrier left side, rear side and be equipped with laser sensor respectively, mould shell carrier downside is equipped with photoelectric sensor, moulds shell carrier rear side and still is equipped with the finger cylinder for mould shell location rocks when avoiding the assembly, moulds shell carrier front side, is equipped with stock stop, still is equipped with the locating hole, the locating hole with the reference column matches. The stock stop includes a pair of relative L type piece, and two outsides of L type piece outwards extend a traveller respectively, respectively overlap a spring on the traveller, penetrate in the support hole of both sides, and the lower part of every L type piece is equipped with two steps respectively, and wherein the inboard of lower step forms an opening window, and opening window front side is equipped with the chamfer, and the inboard of upper step forms a location wall respectively, and every location wall and locating square column butt and spacing below the locating hole. The lug mechanism is a trapezoidal block with the same height as the opening window, when the plastic shell carrier moves towards the face shell carrier, the trapezoidal block is inserted into the opening window, and the L-shaped blocks slide to the left side and the right side respectively, so that the plastic shell assembly can be buckled with the face shell.
Further, the right side of circuit board carrier is equipped with photoelectric sensor, the downside of aluminum hull carrier is equipped with the color mark sensor, and the front side of aluminum hull carrier is equipped with metal sensor.
Optional method 1:
an automatic assembly control method of the elastic buckle based on the automatic assembly buckling device of the elastic buckle comprises the following steps:
step 1, start: turning on a power switch of the device, turning on an air source switch, initializing the system, and enabling each unit to be in a standby state;
step 2, safety protection: the panel of the device is provided with an emergency stop switch, and the emergency stop switch is pressed to stop emergently when the emergency stop switch is abnormal, and the panel of the device is also provided with a vacuum state display screen; the device is provided with a safety cover, the front surface of the device is provided with a safety grating, all dangerous input/output can be automatically cut off when the outside is interfered, and all actions are stopped; the static eliminator is arranged on the safety cover, and a plurality of indicator lamps are arranged on the safety cover;
step 3, system self-checking: the device starts self-diagnosis, and comprises each operation button, whether a signal of a sensor is normal, whether a touch screen displays normal, whether positive and negative air pressure is normal, and whether equipment is at an initial position;
step 4, program calling: according to different models, manually switching or automatically switching corresponding model names, and calling corresponding programs, wherein the programs comprise different movement positions and designated parameters;
step 5, position judgment: each mechanism feeds back the position, if the feedback is normal, the indicator light displays green, and if the feedback is abnormal, the indicator light displays red, and an alarm is given; the Y-axis carrier is at the starting position;
step 6, assembly part placement: sequentially putting a plastic shell into a plastic shell carrier, putting a circuit board into a circuit board carrier, putting an aluminum shell into an aluminum shell carrier and putting a surface shell into a surface shell carrier;
and 7, wrong and missing judgment: respectively detecting whether assembly parts are correctly placed in the plastic shell carrier, the circuit board carrier, the aluminum shell carrier and the surface shell carrier or not through each sensor, and displaying whether the assembly parts are leaked or not through corresponding indicator lamps, displaying green if the assembly parts are normal, displaying red if the assembly parts are abnormal, and alarming;
step 8, work starting: pressing the started operating button by two hands, clamping a plastic shell by a finger cylinder of a plastic shell carrier, pressing the surface shell by a spinning cylinder of a surface shell carrier, and moving a Y-axis carrier below a Z-axis conveying mechanism;
step 9, sucking the circuit board: the Z1 axle circuit board buckling mechanism integrates a vacuum chuck, a color code sensor, a pressure sensor and a sliding table cylinder, the Z1 axle circuit board buckling mechanism descends to a circuit board carrier, the color code sensor detects heat dissipation silica gel on the circuit board, the silica gel is normal, the touch screen synchronously prompts that no part is leaked on the carrier, the indicator light is bright red when no silica gel is available, the touch screen synchronously prompts that the part is leaked on the carrier, under normal condition, the vacuum chuck is attached to the circuit board to suck negative pressure, if the negative pressure is insufficient, the indicator light is red, the touch screen synchronously prompts that the vacuum is insufficient, the pressure sensor detects that the feedback circuit board is in a pressure state and exceeds a safe pressure value, the indicator light is red, the touch screen prompts that the pressure is too high, and under normal conditions of no part leakage, vacuum and pressure, the Z1 shaft circuit board buckling mechanism absorbs the circuit board from the circuit board carrier and runs right above the plastic shell carrier through the X-shaft conveying mechanism;
step 10, the circuit board is placed and buckled: the Z1 shaft circuit board buckling mechanism enables the circuit board to be downwards positioned and buckled with the plastic shell, in the buckling process, the laser sensor judges whether the circuit board is in place or not, the pressure sensor judges whether the stress of the circuit board is within a safety value or not, the indicator light is bright red when the stress is abnormal, the touch screen synchronously prompts abnormal characters when the stress is normal, and the circuit board is in place when the stress is normal;
step 11, sucking the aluminum shell: the Z2 shaft aluminum shell buckling mechanism integrates a vacuum chuck, a pressure sensor and a sliding table cylinder, the Z2 shaft aluminum shell buckling mechanism descends to an aluminum shell carrier, the vacuum chuck is attached to the aluminum shell to absorb negative pressure, if the negative pressure is insufficient, an indicator lamp is bright red, a touch screen synchronously prompts that the vacuum is insufficient, meanwhile, the pressure sensor detects and feeds back the pressure state of the aluminum shell, if the pressure exceeds a safe pressure value, the indicator lamp is bright red, the touch screen prompts that the pressure is too high, under normal conditions, the Z2 shaft aluminum shell buckling mechanism absorbs the aluminum shell from the aluminum shell carrier, and the aluminum shell is conveyed to the position right above the plastic shell carrier through an X-shaft conveying mechanism;
step 12, placing and buckling the aluminum shell: the Z2 shaft aluminum shell buckling mechanism is used for positioning and buckling the aluminum shell and the plastic shell downwards, in the buckling process, the laser sensor is used for judging whether the aluminum shell is in place or not, the pressure sensor is used for judging whether the stress of the aluminum shell is within a safety value or not, an indicator lamp is on red when the stress of the aluminum shell is abnormal, the touch screen synchronously prompts abnormal characters, the aluminum shell and the plastic shell are provided with a plurality of buckling points, the buckling state is inconsistent and exceeds the safety value of the pressure sensor, and the normal buckling indicates that the aluminum shell is in place;
step 13, buckling the surface shell: the Y-axis carrier operates towards the face shell carrier to enable components of the plastic shell, the circuit board and the aluminum shell which are well buckled to be buckled with the face shell, the pressure sensor judges whether the stress of the face shell is within a safety value, if the stress of the face shell is abnormal, the indicator light is bright red, the touch screen synchronously prompts abnormal characters, the face shell and the plastic shell are provided with a plurality of buckling points, if the buckling states are inconsistent, the safety value of the pressure sensor is exceeded, if the buckling states are normal, the buckling is in place, and after buckling, the Y-axis carrier returns;
step 14, taking materials: the spinning cylinder rotates anticlockwise, the layering mechanism is rotated to be away from the surface shell carrier, and buckled products are manually taken and leave a working area;
and step 15, finishing the operation: the initial state of each mechanism is recovered through signal judgment among the sensors; each mechanism of the device feeds back the position, if the feedback is normal, the indicator light is on green, if the feedback is abnormal, the indicator light is on red, and the Y-axis carrier is at the initial position to wait for feeding.
Optional method 2:
steps 1 to 8 of alternative method 2 are the same as alternative method 1, except that steps 9 to 11 are as follows:
step 9, sucking the circuit board: the Z1 axle circuit board buckling mechanism integrates a vacuum chuck, a color mark sensor, a pressure sensor and a sliding table cylinder, the Z1 axle circuit board buckling mechanism descends to a circuit board carrier, the color mark sensor detects heat dissipation silica gel on the circuit board, the silica gel is normal, the touch screen synchronously prompts that no part leaks from the carrier, an indicator lamp is bright red if no silica gel exists, the touch screen synchronously prompts that the carrier leaks, the vacuum chuck is attached to the circuit board under normal conditions, negative pressure suction is carried out, if the negative pressure is insufficient, the indicator lamp is bright red, the touch screen synchronously prompts that the vacuum is insufficient, meanwhile, the pressure sensor detects that the pressure of the feedback circuit board is in a pressure state, the pressure value exceeds a safe pressure value, the indicator lamp is bright red, the touch screen prompts that the pressure is too high, and the Z1 axle circuit board buckling mechanism sucks the circuit board from the; step 10 is performed simultaneously with this step;
step 10, sucking by an aluminum shell: the Z2 axle aluminum shell buckling mechanism integrates a vacuum chuck, a pressure sensor and a sliding table cylinder, the Z2 axle aluminum shell buckling mechanism descends to an aluminum shell carrier, the vacuum chuck is attached to the aluminum shell to absorb negative pressure, if the negative pressure is insufficient, an indicator lamp is bright red, a touch screen synchronously prompts that the vacuum is insufficient, meanwhile, the pressure sensor detects and feeds back the pressure state of the aluminum shell, if the pressure exceeds a safe pressure value, the indicator lamp is bright red, the touch screen prompts that the pressure is too high, and under the normal condition, the Z2 axle aluminum shell buckling mechanism absorbs the aluminum shell from the aluminum shell carrier; the Z1 shaft circuit board buckling mechanism runs right above the plastic shell carrier through the X shaft conveying mechanism;
step 11, the circuit board is placed and buckled: the Z1 shaft circuit board buckling mechanism enables the circuit board to be downwards positioned and buckled with the plastic shell, in the buckling process, the laser sensor judges whether the circuit board is in place or not, the pressure sensor judges whether the stress of the circuit board is within a safety value or not, the indicator light is bright red when the stress is abnormal, the touch screen synchronously prompts abnormal characters when the stress is normal, and the circuit board is in place when the stress is normal; the Z2 shaft aluminum shell buckling mechanism runs right above the plastic shell carrier through the X shaft conveying mechanism;
the contents of step 12 to step 15 are the same as those of the optional method 1, and are not described herein again.
In the alternative method 1 or the alternative method 2, the indicator light includes: the green indicating lamp of indicating device normal state, the red indicating lamp of indicating device anomaly, the normal green indicating lamp of moulding shell carrier, circuit board carrier, aluminum hull carrier, face shell carrier, the green indicating lamp of moulding shell, circuit board green indicating lamp, the green indicating lamp of aluminum hull, the green indicating lamp of face shell of instructing the shell carrier respectively. In the buckling process of the face shell, a lug mechanism below the face shell carrier opens a stop mechanism on the front side of the plastic shell carrier, so that the combined parts of the plastic shell, the circuit board and the aluminum shell can be buckled with the face shell.
In summary, the technical scheme of the invention has the following beneficial effects:
the invention solves the problems of inaccurate control of assembly force, easy deformation of a circuit board, even failure of a chip on the circuit board, inaccurate control of shell buckling force, inconsistent buckling effect, tripping, hard-to-hard contact, vibration, easy collision, material falling, complex buckling operation, low working efficiency, insufficient reliability and unstable process control in the manual assembly of the existing product.
The invention provides an automatic buckling device of an elastic buckle required by a vehicle-mounted data transmission assembly and a control method. The device automatically assembles multiple parts of the product by controlling the motion assembly, and monitors and feeds back the buckling state of the product in the assembling process. The assembly and buckling work is completed through the mutual matching of the elastic buckles among the product parts. Compared with the traditional method, the device has stable assembly function, reliable detection feedback and freedom and flexibility. And has the functions of eliminating the risks of electrostatic damage, dust drift, inaccurate buckling, collision, silica gel falling and overlarge stress. The device is automatically buckled, the production efficiency is high, the size is small, and the space is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a block diagram of an automatic assembly fastening device for an elastic buckle according to the present invention;
FIG. 2 is a block diagram of a Y-axis vehicle according to the present invention;
FIG. 3 is a block diagram of the safety shield mechanism of the present invention;
FIG. 4 is a perspective view of an automatic assembly buckle device for an elastic buckle according to the present invention;
FIG. 5 is a block diagram of the present invention of FIG. 4 with the safety shield removed;
FIG. 6 is a schematic view of a Y-axis vehicle according to the present invention;
FIG. 7 is a schematic view of a Z1 axis circuit board snapping mechanism, a Z2 axis aluminum housing snapping mechanism and a sliding platform according to the present invention;
FIG. 8 is a block diagram of the finger cylinder of the present invention;
FIG. 9 is a block diagram of the Y-axis housing snapping mechanism and blocking mechanism of the present invention;
FIG. 10 is a block diagram of the blocking mechanism of the present invention;
FIG. 11 is an exploded view of the product of the present invention;
FIG. 12 is a diagram of the assembly of the circuit board and the plastic housing of the present invention;
FIG. 13 is a diagram of the assembly of the aluminum housing with the circuit board and the plastic housing according to the present invention;
FIG. 14 is a diagram of the assembly of the face shell with the aluminum shell, the circuit board and the plastic shell, i.e., the product diagram, according to the present invention;
fig. 15 is a structural view of the safety cover of the present invention.
Description of reference numerals:
10-a signal input unit, 20-a control unit, 30-an execution unit, 100-a photoelectric sensor, 101-a laser sensor, 102-a metal sensor, 103-a color mark sensor, 104-a vacuum sensor, 105-a pressure sensor, 106-a touch screen, 107-an operation button, 108-a safety sensor, 109-a magnetic ring sensor, 201-a data acquisition module, 202-a central processing unit, 204-an air driving module, 205-a closed loop servo encoder, 206-an electric driving module, 301-a Y-axis carrier, 302-a Y-axis surface shell buckling mechanism, 303-an X-axis conveying mechanism, 304-a Z1-axis circuit board buckling mechanism, 305-a Z2-axis aluminum shell buckling mechanism, 306-an electrostatic eliminator and 307-a safety protection mechanism, 308-Y-axis conveying mechanism, 309-Z-axis conveying mechanism, 310-sliding table air cylinder, 311-finger air cylinder, 312-spinning air cylinder, 313-plastic shell, 314-circuit board, 315-aluminum shell, 316-face shell, 317-sliding table, 318-vacuum sucker, 3011-plastic shell carrier, 3012-circuit board carrier, 3013-aluminum shell carrier, 3014-material blocking mechanism, 3015-positioning hole, 3016-L-shaped block, 3017-sliding column, 3018-spring, 3019-bracket, 3020-opening window, 3021-face shell carrier, 3022-positioning column, 3023-lug mechanism, 3024-positioning wall, 3025-square column, 3026-trapezoidal block, 3071-emergency stop switch, 3072-safety cover, 3073-indicating lamp, 3074-safety grating, 3075 standby indicator light, 3121 layering mechanism, and 3181 vacuum display screen.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
For easier understanding of the contents of the present invention, the following definitions are made: with reference to the viewer, the viewer faces the drawing of FIG. 4, with the front of the content being the portion of the drawing closer to the viewer, the back of the content being the portion of the drawing further from the viewer, the left of the content being the portion of the drawing to the left of the viewer, the right of the content being the portion of the drawing to the right of the viewer, the top of the content being the portion of the drawing above the viewer, and the bottom of the content being the portion of the drawing below the viewer.
As shown in fig. 1 to 15, an automatic assembly fastening device for an elastic buckle includes a signal input unit 10, a control unit 20 electrically connected to the input unit 10, and an execution unit 30 electrically connected to the control unit 20.
The signal input unit 10 includes:
the sensors are used for sensing and monitoring the target position and the safety condition of assembly operation;
a touch screen 106 for calling programs, simulating input and output information display;
an operation button 107 for starting the apparatus;
the control unit 20 includes:
the data acquisition module 201 is used for converting the acquired input signals into signals which can be recognized by a system;
a central processing unit 202 for processing the input/output signal according to a set operation program, controlling the whole operation system, and converting a program instruction sent by the system into a signal executable by hardware;
a closed-loop servo encoder 205 for monitoring the load, pulse size, of a feedback servo motor (not shown);
the pneumatic driving module 204 is used for controlling the running positions and the moving speeds of a plurality of cylinders (including two sliding table cylinders 310, one finger cylinder 311 and one spinning cylinder 312);
the electric drive module 206 is used for controlling a plurality of servo motors to run to preset positions according to required speed;
the execution unit 30 includes:
the Y-axis carrier 301 is used for conveying assembly parts in the Y-axis direction, and integrating a plurality of carriers to place and position a plurality of assembly parts;
a Y-axis fourth assembly snap mechanism (i.e., Y-axis panel shell snap mechanism 302) for providing a drop location area and assembly of a fourth assembly;
a Z1-axis second assembly fastening mechanism (i.e., Z1-axis circuit board fastening mechanism 304) for driving and sucking the second assembly (i.e., circuit board 314) to fasten with the first assembly (i.e., plastic housing 313) and monitoring the feedback stress status;
a Z2-axis third assembly part buckling mechanism (namely, a Z2-axis aluminum shell buckling mechanism 305) for driving and sucking the third assembly part (namely, the aluminum shell 315) to be buckled with the first assembly part (namely, the plastic shell 313) and monitoring the feedback stress state;
the X-axis conveying mechanism 303 is used for driving the linear module to convey a Z axis in the X axis direction, and the Z axis comprises two parallel Z1 axes and a Z2 axis;
the Y-axis conveying mechanism 308 is used for driving the linear module to convey the Y-axis carrier 301 in the Y-axis direction;
a Z-axis conveying mechanism 309 for driving the linear module conveying sliding table 317 in the Z-axis direction;
a static eliminator 306 for eliminating static electricity within a certain range and eliminating dust drift;
and a safety protection mechanism 307 for protecting the device and the assembly parts in abnormal conditions.
Further, the plurality of assembling units include a first assembling unit, a second assembling unit, a third assembling unit and a fourth assembling unit, wherein the first assembling unit is a plastic shell 313, the second assembling unit is a circuit board 314, the third assembling unit is an aluminum shell 315, and the fourth assembling unit is a face shell 316. The safety guard mechanism 307 includes an emergency stop switch 3071, a safety shield 3072, and a plurality of indicator lights 3073.
Further, the plurality of sensors includes:
a photoelectric sensor 100 for sensing each target position and providing a sensing signal to the cpu 202;
the laser sensor 101 is used for sensing each target position and providing a sensing signal for the central processing unit 202;
the metal sensor 102 is used for monitoring whether the aluminum shell is at a required position or not and providing a sensing signal for the central processing unit 202;
the color mark sensor 103 is used for detecting whether silica gel or foam exists or not and providing a sensing signal for the central processing unit 202;
a vacuum sensor 104 for detecting whether the suction cup (i.e. vacuum suction cup 318) is at negative pressure or not and providing a sensing signal to the cpu 202;
the pressure sensor 105 is used for detecting the pressure applied to the circuit board 314, the aluminum shell 315 and the face shell 316 and providing a sensing signal for the central processing unit 202; the pressure sensors 105 are respectively disposed on the Z1-axis circuit board engagement mechanism 304, the Z2-axis aluminum case engagement mechanism 305, and the Y-axis panel case engagement mechanism 302.
A safety sensor 108 for stopping operation when there is interference from the outside;
the magnetic ring inductor 109 is used for monitoring whether the cylinder is at a desired position, and providing an induction signal for the central processing unit 202.
Further, the X-axis conveying mechanism 303, the Y-axis conveying mechanism 308, and the Z-axis conveying mechanism 309 are respectively provided with a servo motor (not shown in the figure); the X-axis conveying mechanism 303 is horizontally arranged at one side close to the rear of the device, the Y-axis conveying mechanism 308 is horizontally arranged on the middle surface of the device and is vertical to a projection line of the X-axis conveying mechanism 303 on the surface of the device, and the Z-axis conveying mechanism 309 is vertical to and intersected with the X-axis conveying mechanism 303.
Further, the Y-axis carrier 301, from left to right, sequentially includes a plastic-shell carrier 3011, a circuit board carrier 3012, and an aluminum-shell carrier 3013; the Y-axis fourth assembly fastening mechanism (i.e., the Y-axis surface shell fastening mechanism 302) is fixedly arranged on the left front side of the device, and comprises a surface shell carrier 3021, a spinning cylinder 312 arranged on the left side of the surface shell carrier 3021, a pressure sensor 105 and a laser sensor 101 arranged on the front side of the surface shell carrier 3021, a pressing strip mechanism 3121 arranged on the upper side of the surface shell carrier 3021 and connected with the spinning cylinder 312, a positioning column 3022 arranged on the rear side of the surface shell carrier 3021, and a bump mechanism 3023 arranged below the positioning column.
Further, the left side and the rear side of the plastic shell carrier 3011 are respectively provided with a laser sensor 101, the lower side of the plastic shell carrier 3011 is provided with a photoelectric sensor 100, the rear side of the plastic shell carrier 3011 is further provided with a finger cylinder 311 for positioning the plastic shell 313 to avoid shaking during assembly, the front side of the plastic shell carrier 3011 is provided with a material stop mechanism 3014 and a positioning hole 3015, and the positioning hole 3015 is matched with the positioning column 3022. The material blocking mechanism 3014 includes a pair of opposite L-shaped blocks 3016, two outer sides of the L-shaped blocks 3016 extend outward to form a sliding column 3017, each sliding column 3017 is sleeved with a spring 3018, the springs penetrate into holes of the supports 3019 on two sides, the lower portion of each L-shaped block 3016 is provided with two steps, wherein an opening window 3020 is formed on the inner side of the lower step, a chamfer is arranged on the front side of the opening window 3020, a positioning wall 3024 is formed on the inner side of the upper step, and each positioning wall 3024 abuts against and limits the square column 3025 below the positioning hole 3015. The bump mechanism 3023 is a trapezoidal block 3026 having the same height as the opening window 3020, and when the plastic housing carrier 3011 moves toward the face housing carrier 3021, the trapezoidal block 3026 is inserted into the opening window 3020 to slide the pair of L-shaped blocks 3016 to the left and right, respectively, so that the plastic housing components (the assembled plastic housing 313, circuit board 314, and aluminum housing 315) can be fastened to the face housing 316.
Further, a photoelectric sensor 100 is disposed on the right side of the circuit board carrier 3012, a color mark sensor 103 is disposed on the lower side of the aluminum case carrier 3013, and a metal sensor 102 is disposed on the front side of the aluminum case carrier 3013.
Example 1:
an automatic assembly control method of the elastic buckle based on the automatic assembly buckling device of the elastic buckle comprises the following steps:
step 1, start: turning on a power switch (arranged on a panel of the device) of the device, turning on an air source switch (not shown in the figure), initializing the system, and enabling each unit to be in a standby state (at the moment, the standby indication 3075 is in yellow, as shown in fig. 15);
step 2, safety protection: an emergency stop switch 3071 is arranged on the panel of the device, and a vacuum state display screen 3181 (divided into a circuit board vacuum display screen and an aluminum shell vacuum display screen) is also arranged on the panel of the device, wherein the emergency stop switch is pressed to stop emergently when the emergency stop switch is abnormal; the device is provided with a safety cover 3072, the front surface of the device is provided with safety gratings 3074 (arranged on two sides of the front surface of the safety cover 3072), when external interference exists, all dangerous input/output is automatically cut off, and all actions are stopped; the static eliminator 306 is arranged on the safety cover 3072, and a plurality of indicator lamps 3073 are arranged right above the safety cover 3072;
step 3, system self-checking: the device starts self-diagnosis, including each operation button 107 (in this embodiment, two operation buttons 107 are pressed simultaneously, and the operation is effective, so that the malfunction of one button can be prevented), whether the signal of the sensor is normal, whether the touch screen 106 displays normal, whether the positive and negative air pressure is normal, and whether the equipment is at the initial position;
step 4, program calling: according to different types (different products), corresponding type names are manually switched or automatically switched (operated through the touch screen 106), corresponding programs are called, and the programs comprise different motion positions and designated parameters;
step 5, position judgment: each mechanism feeds back the position, if the feedback is normal, the indicator lamp 3073 displays green, and if the feedback is abnormal, the indicator lamp displays red, and gives an alarm; y-axis carrier 301 in the home position;
step 6, assembly part placement: sequentially putting a plastic shell 313 into a plastic shell carrier 3011, a circuit board 314 into a circuit board carrier 3012, an aluminum shell 315 into an aluminum shell carrier 3013, and a surface shell 316 into a surface shell carrier 3021;
and 7, wrong and missing judgment: respectively detecting whether the assembly parts are correctly placed in the plastic shell carrier 3011, the circuit board carrier 3012, the aluminum shell carrier 3013 and the face shell carrier 3021 or not through the sensors, and displaying the assembly parts by a corresponding indicator lamp 3073, wherein the assembly parts are green if normal, red if abnormal, and giving an alarm;
step 8, work starting: the started operating button 107 is pressed by two hands, the finger cylinder 311 of the plastic shell carrier 3011 clamps the plastic shell 313, the spinning cylinder 312 of the surface shell carrier 3021 presses the surface shell 316, and the Y-axis carrier 301 runs below the Z-axis conveying mechanism 309;
step 9, sucking the circuit board: the Z1-axis circuit board buckling mechanism 304 integrates a vacuum chuck 318, a color mark sensor 103, a pressure sensor 105 and a sliding table cylinder 310, the Z1-axis circuit board buckling mechanism 304 descends to the circuit board carrier 3012, the color mark sensor 103 detects heat dissipation silica gel (not shown in the figure) on the circuit board 314, the silica gel is normal, the touch screen 106 synchronously prompts that no leak exists in the carrier, the indicator lamp 3073 is bright red when no silica gel exists, the touch screen 106 synchronously prompts that the carrier leaks, the vacuum chuck 318 is attached to the circuit board 314 under normal conditions, negative pressure suction is performed, if the negative pressure is insufficient, the indicator lamp 3073 is bright red, the touch screen 106 synchronously prompts that the vacuum is insufficient, meanwhile, the pressure sensor 105 detects that the feedback circuit board 314 is in a pressure state exceeding a safe pressure value, the indicator lamp 3073 is bright red, the touch screen 106 prompts that the pressure is excessive, no leak, vacuum and normal conditions of normal pressure exist, the Z1-axis circuit board buckling mechanism 304 sucks the circuit board, the X-axis conveying mechanism 303 is used for moving to the position right above the plastic shell carrier 3011;
step 10, the circuit board is placed and buckled: the Z1 shaft circuit board buckling mechanism 304 positions and buckles the circuit board 314 with the plastic shell 313 downwards, in the buckling process, the laser sensor 101 judges whether the circuit board 314 is in place, the pressure sensor 105 judges whether the stress of the circuit board 314 is within a safety value, the indicator lamp 3073 is bright red when abnormal, the touch screen 106 synchronously prompts abnormal characters, and the normal indicates that the circuit board 314 is buckled in place;
step 11, sucking the aluminum shell: the Z2 axle aluminum shell buckling mechanism 305 integrates a vacuum chuck 318, a pressure sensor 105 and a sliding table cylinder 310, the Z2 axle aluminum shell buckling mechanism 305 descends to an aluminum shell carrier 3013, the vacuum chuck 318 is attached to the aluminum shell 315 to absorb negative pressure, if the negative pressure is insufficient, an indicator lamp 3073 is bright red, a touch screen 106 synchronously prompts insufficient vacuum, meanwhile, the pressure sensor 105 detects and feeds back a pressure state of the aluminum shell 315, the pressure value exceeds a safe pressure value, the indicator lamp 3073 is bright red, the touch screen 106 prompts that the pressure is too high, under normal conditions, the Z2 axle aluminum shell buckling mechanism 305 absorbs the aluminum shell 315 from the aluminum shell carrier 3013 and runs to the position right above a plastic shell carrier 3011 through an X-axis conveying mechanism 303;
step 12, placing and buckling the aluminum shell: the Z2 axis aluminum shell buckling mechanism 305 positions and buckles the aluminum shell 315 with the plastic shell 313 downwards, in the buckling process, the laser sensor 101 judges whether the aluminum shell 315 is in place, the pressure sensor 105 judges whether the stress of the aluminum shell 315 is within a safety value, the indicator lamp 3073 is bright red if abnormal, the touch screen 106 synchronously prompts abnormal characters, the aluminum shell 315 and the plastic shell 313 have a plurality of buckling points, if the buckling states are inconsistent, the safety value of the pressure sensor 105 is exceeded, and if normal, the aluminum shell 315 is buckled in place;
step 13, buckling the surface shell: the Y-axis carrier 301 runs towards the face shell carrier 3021, so that the components of the plastic shell 313, the circuit board 314 and the aluminum shell 315 which are well fastened are fastened with the face shell 316, the pressure sensor 105 judges whether the force applied to the face shell 316 is within a safety value, the indicator lamp 3073 is bright red when the force is abnormal, the touch screen 106 synchronously prompts abnormal characters, the face shell 316 and the plastic shell 313 are provided with a plurality of fastening points, the fastening state is inconsistent and exceeds the safety value of the pressure sensor 105, the fastening state is normal and indicates that the fastening is in place, and the Y-axis carrier 301 retracts after the fastening;
step 14, taking materials: the spinning cylinder 312 rotates anticlockwise, the pressing strip mechanism 3121 rotates away from the face shell carrier 3021, and the buckled product is manually taken and leaves the working area;
and step 15, finishing the operation: the initial state of each mechanism is recovered through signal judgment among the sensors; each mechanism of the device feeds back the position, if the feedback is normal, the indicator lamp 3073 is bright green, if the feedback is abnormal, the indicator lamp 3073 is bright red, and the Y-axis carrier 301 is at the initial position and waits for loading.
Example 2:
steps 1 to 8 of this example 2 are the same as in example 1, except that steps 9 to 11 are as follows:
step 9, sucking the circuit board: the Z1 axle circuit board buckling mechanism 304 integrates the vacuum chuck 318, the color mark sensor 103, the pressure sensor 105 and the sliding table cylinder 310, the Z1 axle circuit board buckling mechanism 304 descends to the circuit board carrier 3012, the color mark sensor 103 detects the heat dissipation silica gel (not shown in the figure) on the circuit board 314, if the silica gel exists, the carrier is normal, the touch screen 106 synchronously prompts that no part is leaked from the carrier, if the silica gel does not exist, the indicator lamp 3073 is bright red, the touch screen 106 synchronously prompts that the part is leaked from the carrier, under normal conditions, the vacuum chuck 318 is attached to the circuit board 314 for sucking the negative pressure, and if the negative pressure is insufficient, the indicator lamp 3073 is red, the touch screen 106 synchronously indicates that the vacuum is insufficient, and the pressure sensor 105 detects that the feedback circuit board 314 is in a pressure state and exceeds a safe pressure value, the indicator lamp 3073 is red, and the touch screen 106 indicates that under normal conditions of no part leakage, vacuum and pressure, the Z1 axis circuit board snapping mechanism 304 sucks the circuit board 314 from the circuit board carrier 3012;
step 10, sucking by an aluminum shell: the Z2 axle aluminum shell buckling mechanism 305 integrates a vacuum chuck 318, a pressure sensor 105 and a sliding table cylinder 310, the Z2 axle aluminum shell buckling mechanism 305 descends to the aluminum shell carrier 3013, the vacuum chuck 318 is attached to the aluminum shell 315 to absorb negative pressure, if the negative pressure is insufficient, an indicator lamp 3073 is bright red, a touch screen 106 synchronously prompts insufficient vacuum, meanwhile, the pressure sensor 105 detects and feeds back the pressure state of the aluminum shell 315, the pressure value exceeds a safe pressure value, the indicator lamp 3073 is bright red, the touch screen 106 prompts that the pressure is too high, and under normal conditions, the Z2 axle aluminum shell buckling mechanism 305 absorbs the aluminum shell 315 from the aluminum shell carrier 3013; the Z1-axis circuit board buckling mechanism 304 runs right above the plastic-shell carrier 3011 through the X-axis conveying mechanism 303;
step 11, the circuit board is placed and buckled: the Z1 shaft circuit board buckling mechanism 304 positions and buckles the circuit board 314 with the plastic shell 313 downwards, in the buckling process, the laser sensor 101 judges whether the circuit board 314 is in place, the pressure sensor 105 judges whether the stress of the circuit board 314 is within a safety value, the indicator lamp 3073 is bright red when abnormal, the touch screen 106 synchronously prompts abnormal characters, and the normal indicates that the circuit board 314 is buckled in place; the Z2-axis aluminum shell buckling mechanism 305 runs right above the plastic shell carrier 3011 through the X-axis conveying mechanism 303;
steps 12 to 15 are the same as in embodiment 1, and are not described herein.
It should be noted that, in the embodiment 2, the step 9 and the step 10 are performed simultaneously, and if the circuit board 314 is placed and fastened in the step 11, the sucked aluminum shell 315 does not interfere with (i.e. collide with) the circuit board carrier 3012, because the heights of the circuit board carrier 3012 and the aluminum shell carrier 3013 are much lower than the height of the plastic shell carrier 3011 (not shown in the figure).
In embodiment 1 or embodiment 2, as shown in fig. 15, the indicator lamp 3073 includes: the green indicating lamp of indicating device normal state, the red indicating lamp of indicating device abnormal state, the normal green indicating lamp of moulding shell carrier, circuit board carrier, aluminium shell carrier, face shell carrier, the green indicating lamp of moulding shell, circuit board (be PCBA in the figure), the green indicating lamp of aluminium shell, the green indicating lamp of face shell of instructing respectively. In the process of fastening the face shell, the bump mechanism 3023 under the face shell carrier 3011 opens the material stop mechanism 3014 on the front side of the plastic shell carrier 3011, so that the assembly of the plastic shell 313, the circuit board 314, and the aluminum shell 315 can be fastened with the face shell 316.
In summary, the technical scheme of the invention has the following beneficial effects:
the invention solves the problems of inaccurate control of assembly force, easy deformation of a circuit board, even failure of a chip on the circuit board, inaccurate control of shell buckling force, inconsistent buckling effect, tripping, hard-to-hard contact, vibration, easy collision, material falling, complex buckling operation, low working efficiency, insufficient reliability and unstable process control in the manual assembly of the existing product.
The invention provides an automatic buckling device of an elastic buckle required by a vehicle-mounted data transmission assembly and a control method. The device automatically assembles multiple parts of the product by controlling the motion assembly, and monitors and feeds back the buckling state of the product in the assembling process. The assembly and buckling work is completed through the mutual matching of the elastic buckles among the product parts. Compared with the traditional method, the device has stable assembly function, reliable detection feedback and freedom and flexibility. And has the functions of eliminating the risks of electrostatic damage, dust drift, inaccurate buckling, collision, silica gel falling and overlarge stress. The device is automatically buckled, the production efficiency is high, the size is small, and the space is saved.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims (10)

1. The utility model provides an elasticity buckle automatic assembly lock device which characterized in that: the device comprises a signal input unit, a control unit electrically connected with the input unit, and an execution unit electrically connected with the control unit;
the signal input unit includes:
the sensors are used for sensing and monitoring the target position and the safety condition of assembly operation;
the touch screen is used for calling programs, simulating input and output information display;
an operation button for starting the device;
the control unit includes:
the data acquisition module is used for converting the acquired input signals into signals which can be recognized by a system;
the central processing unit is used for processing the input/output signals according to a set running program, controlling the whole running system and converting program instructions sent by the system into signals executable by hardware;
the closed-loop servo encoder is used for monitoring the load and the pulse quantity of the feedback servo motor;
the pneumatic driving module is used for controlling the operation positions and the movement speeds of the plurality of cylinders;
the electric drive module is used for controlling the servo motors to run to preset positions at required speed;
the execution unit includes:
the Y-axis carrier is used for conveying the assembly parts in the Y-axis direction, and integrating a plurality of carriers to place and position the assembly parts;
the Y-axis fourth assembly part buckling mechanism is used for providing a placement positioning area and assembly of the fourth assembly part;
the Z1 shaft second assembly part buckling mechanism is used for driving and sucking the second assembly part to be buckled with the first assembly part and monitoring the feedback stress state;
the Z2 shaft third assembly part buckling mechanism is used for driving and sucking the third assembly part to be buckled with the first assembly part and monitoring the feedback stress state;
the X-axis conveying mechanism is used for driving the linear module to convey a Z axis in the X-axis direction, and the Z axis comprises two parallel Z1 axes and a Z2 axis;
the Y-axis conveying mechanism is used for driving the linear module to convey the Y-axis carrier in the Y-axis direction;
the Z-axis conveying mechanism is used for driving the linear module conveying sliding table in the Z-axis direction;
the static eliminator is used for eliminating static electricity within a certain range and eliminating dust from flowing;
and the safety protection mechanism is used for protecting the device and the assembly parts under abnormal conditions.
2. The automatic assembly buckle device of an elastic buckle according to claim 1, wherein: the plurality of fittings comprises a first fitting, a second fitting, a third fitting, and a fourth fitting; the first assembly part is a plastic shell, the second assembly part is a circuit board, the third assembly part is an aluminum shell, and the fourth assembly part is a surface shell; the safety protection mechanism comprises an emergency stop switch, a safety cover and a plurality of indicating lamps.
3. The apparatus of claim 2, wherein the plurality of sensors comprises:
the photoelectric sensor is used for sensing each target position and providing a sensing signal for the central processing unit;
the laser sensor is used for sensing the positions of all targets and providing sensing signals for the central processing unit;
the metal sensor is used for monitoring whether the aluminum shell is at a required position or not and providing a sensing signal for the central processing unit;
the color mark sensor is used for detecting whether silica gel or foam exists or not and providing a sensing signal for the central processing unit;
the vacuum sensor is used for detecting whether the sucker is under negative pressure or not and providing a sensing signal for the central processing unit;
the pressure sensor is used for detecting the pressure borne by the circuit board, the aluminum shell and the surface shell and providing a sensing signal for the central processing unit;
the safety sensor is used for stopping action when interference exists outside;
and the magnetic ring inductor is used for monitoring whether the air cylinder is at a required position or not and providing an induction signal for the central processing unit.
4. The automatic assembly buckle device of an elastic buckle according to claim 3, wherein: the X-axis conveying mechanism, the Y-axis conveying mechanism and the Z-axis conveying mechanism are respectively provided with a servo motor; the X-axis conveying mechanism is horizontally erected on one side, close to the rear, of the device, the Y-axis conveying mechanism is horizontally arranged on the surface of the middle of the device and is perpendicular to a projection line of the X-axis conveying mechanism on the surface of the device, and the Z-axis conveying mechanism is perpendicular to and intersected with the X-axis conveying mechanism.
5. The automatic assembly buckle device of an elastic buckle according to claim 4, wherein: the Y-axis carrier sequentially comprises a plastic shell carrier, a circuit board carrier and an aluminum shell carrier from left to right; the Y-axis fourth assembly part buckling mechanism is fixedly arranged on the left front side of the device and comprises a face shell carrier, a spinning cylinder arranged on the left side of the face shell carrier, a pressure sensor and a laser sensor arranged on the front side of the face shell carrier, a pressing strip mechanism arranged on the upper side of the face shell carrier and connected with the spinning cylinder, a positioning column arranged on the rear side of the face shell carrier and a lug mechanism arranged below the positioning column, wherein the pressing strip mechanism is used for pressing the face shell.
6. The automatic assembly buckle device of an elastic buckle according to claim 5, wherein: the left side and the rear side of the plastic shell carrier are respectively provided with a laser sensor, the lower side of the plastic shell carrier is provided with a photoelectric sensor, the rear side of the plastic shell carrier is also provided with a finger cylinder for positioning a plastic shell and avoiding shaking during assembly, the front side of the plastic shell carrier is provided with a stop mechanism and a positioning hole, and the positioning hole is matched with the positioning column; the material blocking mechanism comprises a pair of opposite L-shaped blocks, two outer sides of each L-shaped block extend outwards to form a sliding column, each sliding column is sleeved with a spring and penetrates into the support holes on the two sides, the lower part of each L-shaped block is provided with two steps, the inner side of the lower step forms an opening window, the front side of the opening window is provided with a chamfer, the inner side of the upper step forms a positioning wall, and each positioning wall abuts against and limits the square column below the positioning hole; the lug mechanism is a trapezoidal block with the same height as the opening window, when the plastic shell carrier moves towards the face shell carrier, the trapezoidal block is inserted into the opening window, and the L-shaped blocks slide to the left side and the right side respectively, so that the plastic shell assembly can be buckled with the face shell.
7. The automatic assembly buckle device of an elastic buckle according to claim 6, wherein: the right side of circuit board carrier is equipped with photoelectric sensor, the downside of aluminum hull carrier is equipped with the color mark sensor, and the front side of aluminum hull carrier is equipped with metal sensor.
8. An automatic assembly control method for an elastic buckle based on the automatic assembly buckling device for the elastic buckle as claimed in any one of claims 1 to 7, characterized by comprising the following steps:
step 1, start: turning on a power switch of the device, turning on an air source switch, initializing the system, and enabling each unit to be in a standby state;
step 2, safety protection: the panel of the device is provided with an emergency stop switch, and the emergency stop switch is pressed to stop emergently when the emergency stop switch is abnormal, and the panel of the device is also provided with a vacuum state display screen; the device is provided with a safety cover, the front surface of the device is provided with a safety grating, all dangerous input/output can be automatically cut off when the outside is interfered, and all actions are stopped; the static eliminator is arranged on the safety cover, and a plurality of indicator lamps are arranged on the safety cover;
step 3, system self-checking: the device starts self-diagnosis, and comprises each operation button, whether a signal of a sensor is normal, whether a touch screen displays normal, whether positive and negative air pressure is normal, and whether equipment is at an initial position;
step 4, program calling: according to different models, manually switching or automatically switching corresponding model names, and calling corresponding programs, wherein the programs comprise different movement positions and designated parameters;
step 5, position judgment: each mechanism feeds back the position, if the feedback is normal, the indicator light displays green, and if the feedback is abnormal, the indicator light displays red, and an alarm is given; the Y-axis carrier is at the starting position;
step 6, assembly part placement: sequentially putting a plastic shell into a plastic shell carrier, putting a circuit board into a circuit board carrier, putting an aluminum shell into an aluminum shell carrier and putting a surface shell into a surface shell carrier;
and 7, wrong and missing judgment: respectively detecting whether assembly parts are correctly placed in the plastic shell carrier, the circuit board carrier, the aluminum shell carrier and the surface shell carrier or not through each sensor, and displaying whether the assembly parts are leaked or not through corresponding indicator lamps, displaying green if the assembly parts are normal, displaying red if the assembly parts are abnormal, and alarming;
step 8, work starting: pressing the started operating button by two hands, clamping a plastic shell by a finger cylinder of a plastic shell carrier, pressing the surface shell by a spinning cylinder of a surface shell carrier, and moving a Y-axis carrier below a Z-axis conveying mechanism;
step 9, sucking the circuit board: the Z1 axle circuit board buckling mechanism integrates a vacuum chuck, a color code sensor, a pressure sensor and a sliding table cylinder, the Z1 axle circuit board buckling mechanism descends to a circuit board carrier, the color code sensor detects heat dissipation silica gel on the circuit board, the silica gel is normal, the touch screen synchronously prompts that no part is leaked on the carrier, the indicator light is bright red when no silica gel is available, the touch screen synchronously prompts that the part is leaked on the carrier, under normal condition, the vacuum chuck is attached to the circuit board to suck negative pressure, if the negative pressure is insufficient, the indicator light is red, the touch screen synchronously prompts that the vacuum is insufficient, the pressure sensor detects that the feedback circuit board is in a pressure state and exceeds a safe pressure value, the indicator light is red, the touch screen prompts that the pressure is too high, and under normal conditions of no part leakage, vacuum and pressure, the Z1 shaft circuit board buckling mechanism absorbs the circuit board from the circuit board carrier and runs right above the plastic shell carrier through the X-shaft conveying mechanism;
step 10, the circuit board is placed and buckled: the Z1 shaft circuit board buckling mechanism enables the circuit board to be downwards positioned and buckled with the plastic shell, in the buckling process, the laser sensor judges whether the circuit board is in place or not, the pressure sensor judges whether the stress of the circuit board is within a safety value or not, the indicator light is bright red when the stress is abnormal, the touch screen synchronously prompts abnormal characters when the stress is normal, and the circuit board is in place when the stress is normal;
step 11, sucking the aluminum shell: the Z2 shaft aluminum shell buckling mechanism integrates a vacuum chuck, a pressure sensor and a sliding table cylinder, the Z2 shaft aluminum shell buckling mechanism descends to an aluminum shell carrier, the vacuum chuck is attached to the aluminum shell to absorb negative pressure, if the negative pressure is insufficient, an indicator lamp is bright red, a touch screen synchronously prompts that the vacuum is insufficient, meanwhile, the pressure sensor detects and feeds back the pressure state of the aluminum shell, if the pressure exceeds a safe pressure value, the indicator lamp is bright red, the touch screen prompts that the pressure is too high, under normal conditions, the Z2 shaft aluminum shell buckling mechanism absorbs the aluminum shell from the aluminum shell carrier, and the aluminum shell is conveyed to the position right above the plastic shell carrier through an X-shaft conveying mechanism;
step 12, placing and buckling the aluminum shell: the Z2 shaft aluminum shell buckling mechanism is used for positioning and buckling the aluminum shell and the plastic shell downwards, in the buckling process, the laser sensor is used for judging whether the aluminum shell is in place or not, the pressure sensor is used for judging whether the stress of the aluminum shell is within a safety value or not, an indicator lamp is on red when the stress of the aluminum shell is abnormal, the touch screen synchronously prompts abnormal characters, the aluminum shell and the plastic shell are provided with a plurality of buckling points, the buckling state is inconsistent and exceeds the safety value of the pressure sensor, and the normal buckling indicates that the aluminum shell is in place;
step 13, buckling the surface shell: the Y-axis carrier operates towards the face shell carrier to enable components of the plastic shell, the circuit board and the aluminum shell which are well buckled to be buckled with the face shell, the pressure sensor judges whether the stress of the face shell is within a safety value, if the stress of the face shell is abnormal, the indicator light is bright red, the touch screen synchronously prompts abnormal characters, the face shell and the plastic shell are provided with a plurality of buckling points, if the buckling states are inconsistent, the safety value of the pressure sensor is exceeded, if the buckling states are normal, the buckling is in place, and after buckling, the Y-axis carrier returns;
step 14, taking materials: the spinning cylinder rotates anticlockwise, the layering mechanism is rotated to be away from the surface shell carrier, and buckled products are manually taken and leave a working area;
and step 15, finishing the operation: the initial state of each mechanism is recovered through signal judgment among the sensors; each mechanism of the device feeds back the position, if the feedback is normal, the indicator light is on green, if the feedback is abnormal, the indicator light is on red, and the Y-axis carrier is at the initial position to wait for feeding.
9. The automatic assembly control method for the elastic buckle according to claim 8, wherein the steps 9 to 12 are performed in the following sequence: firstly, the step 9 of circuit board suction and the step 11 of aluminum shell suction are carried out simultaneously, then the step 10 of circuit board placement and buckling and the step 12 of aluminum shell placement and buckling are carried out respectively.
10. The automatic assembly control method of an elastic buckle according to any one of claims 8 or 9, wherein the indicator light comprises: the green indicating lamp indicates the normal state of the device, the red indicating lamp indicates the abnormity of the device, and the green indicating lamp indicates the normal plastic shell carrier, circuit board carrier, aluminum shell carrier and surface shell carrier, the green indicating lamp indicates the circuit board, aluminum shell and surface shell; in the buckling process of the face shell, a lug mechanism below the face shell carrier opens a stop mechanism on the front side of the plastic shell carrier, so that the combined parts of the plastic shell, the circuit board and the aluminum shell can be buckled with the face shell.
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