CN115255916A - Intelligent assembly production line for smoke detector - Google Patents

Abstract

The invention belongs to the technical field of automatic assembly production. The intelligent assembly production line of the smoke detector comprises a rack and a supporting trolley, wherein an annular circulating line track is distributed on the rack; a plurality of groups of supporting trolleys are supported on the circulating line track in a walking way, and positioning seats are arranged on the supporting trolleys; a middle frame feeding device, a PCBA board separating device, a labyrinth base feeding device, a labyrinth cover feeding device, a light guide column feeding device, an upper cover feeding device, a detection device and a finished product discharging device are sequentially distributed along the circumferential direction of the circulating line track, and a control cabinet is arranged at the upper part or the side part of the rack; and the rack is also provided with a grabbing manipulator corresponding to each part for sequentially grabbing and assembling the parts. This application structural arrangement is reasonable, and the place space area that can effectual reduction occupy improves space utilization, realizes the automatic matched stack of smoke detector, reduction in production cost, improvement operating efficiency.

Description

Intelligent assembly production line for smoke detector

Technical Field

The invention belongs to the technical field of automatic assembly production, and particularly relates to an intelligent assembly production line for a smoke detector.

Background

The smoke detector mainly comprises a middle frame, a PCBA plate, a labyrinth base, a labyrinth cover, a light guide column and an upper cover which are sequentially overlapped from bottom to top, wherein the middle frame, the PCBA plate, the labyrinth base, the labyrinth cover, the light guide column and the upper cover are buckled and fixed together, the light guide column is vertically inserted into the labyrinth base and the labyrinth cover and is effectively in contact connection with the PCBA plate, and the assembly of a plurality of components needs to consider the accuracy of alignment assembly on one hand and needs to ensure the structural stability of the assembly through assembly pressing action on the other hand. If traditional manual assembly line operation is adopted, high production cost, low production efficiency and non-uniform production quality are often caused, and the whole production line cannot realize coordinated and consistent efficient operation due to nonstandard operation of workers or different operation efficiency.

Although some semi-automatic or full-automatic production lines exist in other fields at present, the production lines cannot be directly applied to the production of smoke detectors, on one hand, the design is unreasonable, so that more problems exist in the production process, for example, the arrangement among parts is not standard, the phenomenon of continuous hanging is easy to occur, the parts are easy to misplace during grabbing, and effective positioning and assembly cannot be performed; on the other hand, the occupied space area is large in space arrangement, and the equipment arrangement difficulty is large; in addition, because the assembly modes of different parts in the whole assembly process are various, the equipment in the prior art is difficult to effectively design aiming at the alignment assembly among different parts.

Disclosure of Invention

The invention aims to solve the problems and the defects, and provides an intelligent assembly production line for a smoke detector, which is reasonable in structural arrangement, can effectively reduce the occupied site space area, improves the space utilization rate, realizes the automatic assembly of the smoke detector, reduces the production cost and improves the operation efficiency.

In order to realize the purpose, the technical scheme is as follows:

an intelligent assembly production line of a smoke detector comprises a rack and a support trolley, wherein an annular circulating line track is distributed on the rack; a plurality of groups of supporting trolleys are supported on the circulating line track in a walking way, and positioning seats are arranged on the supporting trolleys; a middle frame feeding device, a PCBA board separating device, a labyrinth base feeding device, a labyrinth cover feeding device, a light guide column feeding device, an upper cover feeding device, a detection device and a finished product discharging device are sequentially arranged along the circumferential direction of the circulating line track, and a control cabinet is arranged at the upper part or the side part of the rack;

a middle frame grabbing manipulator is arranged on the rack corresponding to the middle frame feeding device and used for grabbing the middle frame conveyed by the middle frame feeding device and placing the middle frame on a positioning seat of the supporting trolley;

a PCBA board grabbing manipulator and a middle frame auxiliary detection device are arranged on the rack corresponding to the PCBA board separating device, the middle frame auxiliary detection device is used for detecting and identifying the position of a middle frame on the in-place supporting trolley, and the PCBA board grabbing manipulator is used for grabbing and assembling the PCBA board conveyed by the PCBA board separating device on the middle frame on the corresponding supporting trolley;

a labyrinth base grabbing mechanical arm and a PCBA auxiliary detection device are arranged on the rack corresponding to the labyrinth base feeding device, the PCBA auxiliary detection device is used for detecting and identifying the position of the PCBA on the in-place supporting trolley, and the labyrinth base grabbing mechanical arm is used for grabbing and assembling the labyrinth base conveyed by the labyrinth base feeding device on the upper part of the PCBA;

a labyrinth cover grabbing mechanical arm and a labyrinth base auxiliary detection device are arranged on the rack corresponding to the labyrinth cover feeding device, the labyrinth base auxiliary detection device is used for detecting and identifying the position of the labyrinth base on the in-place supporting trolley, and the labyrinth cover grabbing mechanical arm is used for grabbing and assembling the labyrinth cover conveyed by the labyrinth cover feeding device on the upper part of the labyrinth base;

a light guide column grabbing manipulator is arranged on the rack corresponding to the light guide column feeding device and used for grabbing and assembling the light guide column conveyed by the light guide column feeding device into a labyrinth cover and a labyrinth base on a corresponding supporting trolley;

an upper cover grabbing mechanical arm is arranged on the rack corresponding to the upper cover feeding device and used for grabbing the upper cover conveyed by the upper cover feeding device and placing the upper cover on the upper part of the labyrinth cover on the corresponding support trolley, an upper cover assembling device is further arranged on the rack on the rear side of the upper cover grabbing mechanical arm and used for pressing and buckling the upper cover on the middle frame;

the detection device is used for carrying out performance test on the assembled smoke detector;

and a finished product grabbing mechanical arm is arranged on the rack corresponding to the finished product blanking device, grabs the smoke detector assembled on the corresponding support trolley and places the smoke detector on the finished product blanking device.

According to the intelligent assembly line of the smoke detector, a first assembly lifting table corresponding to the labyrinth base grabbing manipulator and a second assembly lifting table corresponding to the labyrinth cover grabbing manipulator are preferably further arranged on the rack, and the first assembly lifting table and the second assembly lifting table are both arranged at the lower part of the support trolley corresponding to the assembly stations.

According to the intelligent assembly line of the smoke detector, preferably, the first group of matched lifting tables and the second group of matched lifting tables are air cylinders fixedly arranged on the rack; when assembling, the output end of the air cylinder extends out and is attached to and supported by the lower part of the positioning seat of the supporting trolley corresponding to the assembling station.

According to the intelligent assembly line of the smoke detector, preferably, the upper cover assembly device comprises a supporting vertical plate arranged on the frame, a lower assembly cylinder arranged at the bottom of the supporting vertical plate and an upper assembly cylinder arranged at the top of the supporting vertical plate, wherein a pressing head matched with the upper cover is arranged at the action end of the upper assembly cylinder, a base is arranged at the action end of the lower assembly cylinder, a plurality of sliding guide rods are uniformly distributed on the base in a circumferential manner, compression springs are arranged between the bases at the lower parts of the sliding guide rods, in-place pressing detection sensors corresponding to the sliding guide rods are further arranged on the base, and upper supporting end heads attached to the middle frame and supported are arranged at the upper ends of the sliding guide rods.

According to the intelligent assembly line of the smoke detector, the base preferably comprises an upper transverse plate and a lower transverse plate which are arranged in parallel and correspondingly from top to bottom, the lower transverse plate is fixedly connected with the lower assembly cylinder, a connecting column is arranged between the upper transverse plate and the lower transverse plate, the sliding guide rod is arranged on the upper transverse plate in a matched sliding mode, a compression spring is arranged between the lower end of the sliding guide rod and the lower transverse plate, a sensor mounting table is arranged on the lower side of the upper transverse plate, the in-place pressing detection sensors are uniformly distributed on the sensor mounting table, and grooves corresponding to the in-place pressing detection sensors are formed in the sliding guide rod.

According to the intelligent assembly line for the smoke detectors, the middle frame feeding device, the labyrinth base feeding device, the labyrinth cover feeding device and the upper cover feeding device preferably comprise a storage bin, a first vibration disc and a first belt conveyor connected with the discharge end of the vibration disc, guide side plates are arranged on two sides of the first belt conveyor, and a scraper type feeding machine is arranged between the storage bin and the first vibration disc.

According to the intelligent assembly line for the smoke detectors, the discharge end of the first belt conveyor is preferably provided with an anti-coupling unit, and the anti-coupling unit is used for preventing two adjacent parts on the first belt conveyor from being coupled together.

According to the intelligent assembly line of the smoke detector, preferably, the anti-coupling unit comprises a stop plate, an upper cover plate and a side supporting block, the stop plate is arranged at the end of the first belt conveyor, the upper cover plate is arranged at the upper part of the first belt conveyor, a limiting channel for preventing parts from tilting is formed between the upper cover plate and a conveying belt of the first belt conveyor, the side supporting block is arranged on the guide side plate, and a telescopic power push rod for driving the side supporting block to move is arranged on the guide side plate.

According to the intelligent assembly line of the smoke detector, preferably, the light guide column feeding device comprises a second vibrating disc, a second belt conveyor and a light guide column positioning mechanism, the light guide column positioning mechanism comprises a positioning support, a traversing frame arranged on the positioning support, a rotary table rotatably arranged on the traversing frame, a clamping power push rod arranged on the rotary table and a clamping head arranged at the action end of the clamping power push rod, and the PCBA plate separating device comprises a plate separating machine and a third belt conveyor.

According to the intelligent assembly line of the smoke detector, the detection device preferably comprises a detection bracket, an upper detection cylinder arranged at the top of the detection bracket, an upper detection plate fixedly arranged at the action end of the upper detection cylinder, a plurality of upper detection heads fixedly arranged on the detection plate, a lower detection cylinder arranged on the detection bracket, a lower detection plate fixedly arranged at the action end of the lower detection cylinder and a plurality of lower detection heads fixedly arranged on the lower detection plate, and finished product detection of a plurality of smoke detectors can be realized at a single time through the plurality of detection heads;

the finished product blanking device comprises a fourth belt conveyor and a fifth belt conveyor which are arranged side by side, the fourth belt conveyor is used for conveying the qualified products grabbed by the finished product grabbing manipulator, and the fifth belt conveyor is used for conveying the unqualified products grabbed by the finished product grabbing manipulator.

By adopting the technical scheme, the beneficial effects are as follows:

this application can make each device carry out orderly range arrangement along the orbital setting of circulation line through the orbital setting of circulation line, and the space of each device of rational planning helps improving space utilization. The supporting trolley is used as an assembly operation platform, assembly, detection and blanking of different parts are realized in a circumferential movement process, and the structural stability of the supporting trolley can be kept when corresponding structural parts are pressed and assembled through the first assembly lifting table, the second assembly lifting table and the upper cover assembly device, so that the parts are prevented from being separated from the supporting trolley or not being assembled in place due to uneven stress; the utility model provides a center loading attachment, labyrinth base loading attachment, labyrinth cover loading attachment, upper cover loading attachment adopt the vibration dish material loading, can ensure the orderly range of each spare part, and the cooperation is prevented linking the unit and can be ensured that the corresponding manipulator that snatchs is effectual snatchs the spare part, improves the qualification rate of assembly, avoids taking place to snatch the dislocation, the condition emergence of unable matched stack. This application still can detect in batches to the smoke detector after a plurality of combinations simultaneously through detection device to subsequent finished product unloading is distinguished certified products and defective work, guarantee production quality.

This application has carried out the pertinence structural design to the characteristics of the matched stack of each spare part of smoke detector for its location is accurate, the matched stack qualification rate is high, whole operates steadily, this application from the transport of spare part, snatch and the matched stack has all realized automatic control and action, intelligent degree is high, can effectual improvement production efficiency, reduction in production cost realizes automatic, the production operation of serialization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the invention and are not to be construed as limiting the invention to all embodiments thereof.

Fig. 1 is a schematic diagram of the overall arrangement structure of an intelligent assembly line of smoke detectors according to an embodiment of the invention.

Fig. 2 is a schematic top view structure diagram of an intelligent assembly line of a smoke detector in an embodiment of the invention, which shows relative positions of a middle frame feeding device, a PCBA board splitting device, a labyrinth base feeding device, a labyrinth cover feeding device, a light guide column feeding device, an upper cover feeding device, a detection device and a finished product discharging device.

Fig. 3 is a schematic structural view of the middle frame loading device and the middle frame grabbing manipulator according to the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the labyrinth base feeding device, the labyrinth base grabbing manipulator, the labyrinth cover feeding device and the labyrinth cover grabbing manipulator according to the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an upper cover feeding device and an upper cover grabbing manipulator according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a finished product blanking device and a finished product grabbing manipulator according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a detection apparatus according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a marking device and a marking detection device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an anti-hooking unit according to an embodiment of the invention.

FIG. 10 is a schematic view of the upper cover assembling apparatus according to the embodiment of the present invention.

Fig. 11 isbase:Sub>A schematic view of the structure in the direction ofbase:Sub>A-base:Sub>A in fig. 10.

Fig. 12 is a schematic structural view of a light guide positioning mechanism according to an embodiment of the invention.

Fig. 13 is an exploded view of a smoke detector according to an embodiment of the present invention.

Fig. 14 is a second schematic diagram of an explosion structure of the smoke detector according to the embodiment of the invention.

Number in the figure:

100 is a frame, 110 is a circulating line track, 120 is a supporting trolley and 121 is a positioning seat;

210 is a middle frame feeding device, 220 is a PCBA plate separating device, 230 is a labyrinth base feeding device, 240 is a labyrinth cover feeding device, 250 is a light guide column feeding device, 260 is an upper cover feeding device, 270 is a detection device, 271 is a detection bracket, 272 is an upper detection cylinder, 273 is an upper detection plate, 274 is an upper detection head, 275 is a lower detection cylinder, 276 is a lower detection plate, 277 is a lower detection head, 280 is a finished product blanking device, and 290 is a control cabinet;

310 is a middle frame grabbing mechanical arm, 320 is a PCBA board grabbing mechanical arm, 330 is a labyrinth base grabbing mechanical arm, 340 is a labyrinth cover grabbing mechanical arm, 350 is a light guide column grabbing mechanical arm, 360 is an upper cover grabbing mechanical arm, 370 is a finished product grabbing mechanical arm, 380 is a marking device, and 390 is a marking detection device;

410 is a middle frame auxiliary detection device, 420 is a PCBA board auxiliary detection device, and 430 is a labyrinth base auxiliary detection device;

510 is a first assembly lifting platform, 520 is a second assembly lifting platform, 530 is an upper cover assembly device, 531 is a support vertical plate, 533 is an upper assembly air cylinder, 534 is a lower assembly air cylinder, 535 is a pressing head, 536 is a sliding guide rod, 537 is a pressing in-place detection sensor, 538 is a compression spring, 539 is an upper transverse plate, 540 is a lower transverse plate, 541 is a sensor installation platform, 542 is a groove, 543 is a connecting column, 544 is an upper support end, 545 is an adjusting screw and 546 is an installation groove;

611 is a storage bin, 612 is a first vibrating disc, 613 is a first belt conveyor, 614 is a guide side plate, 615 is a scraper feeder, 621 is a second vibrating disc, 622 is a second belt conveyor, 623 is a positioning bracket, 624 is a traversing bracket, 625 is a rotary table, 626 is a clamping power push rod, 627 is a clamping head, 631 is a plate separator, 632 is a third belt conveyor, 641 is a fourth belt conveyor, 642 is a fifth belt conveyor;

701 a stop plate, 702 an upper cover plate, 703 a side supporting block and 704 a telescopic power push rod;

801 is an upper cover, 802 is a labyrinth cover, 803 is a labyrinth base, 804 is a light guide column, 805 is a PCBA board, and 806 is a middle frame.

Detailed Description

Illustrative aspects of embodiments of the invention are described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art.

In the description of the present invention, it should be understood that the expressions "first" and "second" are used to describe various elements of the invention, and do not represent limitations on any order, quantity, or importance, but rather are used to distinguish one element from another.

It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., to encompass both direct and indirect positional relationships.

It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items.

It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience in describing the present invention, and do not indicate that the device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.

Referring to fig. 1-12, the present application discloses an intelligent assembly line for smoke detectors, which includes a rack 100 and a support trolley 120, wherein an annular circulation line track 110 is disposed on the rack 100; a plurality of groups of supporting trolleys 120 are supported on the circulating line rail 110 in a walking manner, and positioning seats 121 are arranged on the supporting trolleys 120; the middle frame feeding device 210, the PCBA board splitting device 220, the labyrinth base feeding device 230, the labyrinth cover feeding device 240, the light guide column feeding device 250, the upper cover feeding device 260, the detection device 270 and the finished product discharging device 280 are sequentially arranged along the circumferential direction of the circulating line track 110, a control cabinet 290 is arranged on the upper portion or the side portion of the rack 100, the top of the rack is arranged on an electric control portion in the embodiment, and therefore the influence of the external environment on the internal assembly process is avoided, and therefore most of the device is isolated through a shell.

This application all has corresponding manipulator of snatching to center, PCBA board, labyrinth base, labyrinth lid, leaded light post and upper cover and snatchs and the matched stack. Specifically, a middle frame grabbing manipulator 310 is arranged on the rack 100 corresponding to the middle frame feeding device 210, and the middle frame grabbing manipulator 310 is used for grabbing the middle frame conveyed by the middle frame feeding device 210 and placing the middle frame on the positioning seat of the support trolley.

The rack that corresponds with PCBA board divides board device 220 is provided with PCBA board and snatchs manipulator 320 and the supplementary detection device 410 of center in the frame, the supplementary detection device 410 of center is used for detecting the position of the center on the support dolly that discerns targets in place, PCBA board snatchs manipulator 320 and is used for snatching and the group dress PCBA board that PCBA board divides board device 220 to convey on the center on the corresponding support dolly.

And the rack that labyrinth base loading attachment 230 corresponds is provided with labyrinth base and snatchs manipulator 330 and PCBA board auxiliary detection device 420, PCBA board auxiliary detection device 420 is used for detecting the position of the PCBA board on the support dolly that the discernment targets in place, labyrinth base snatchs manipulator 330 and is used for snatching and assembling in PCBA board upper portion with the labyrinth base that labyrinth base loading attachment 230 conveyed.

A labyrinth cover grabbing manipulator 340 and a labyrinth base auxiliary detection device 430 are arranged on the rack corresponding to the labyrinth cover feeding device 240, the labyrinth base auxiliary detection device 430 is used for detecting and identifying the position of the labyrinth base on the support trolley in place, and the labyrinth cover grabbing manipulator 340 is used for grabbing and assembling the labyrinth cover conveyed by the labyrinth cover feeding device 240 on the upper part of the labyrinth base.

A light guide column grabbing manipulator 350 is arranged on the rack 100 corresponding to the light guide column feeding device 250, and the light guide column grabbing manipulator 350 is used for grabbing and assembling the light guide column conveyed by the light guide column feeding device 250 into a labyrinth cover and a labyrinth base on a corresponding support trolley.

An upper cover grabbing manipulator 360 is arranged on the rack 100 corresponding to the upper cover feeding device 260, the upper cover grabbing manipulator 360 is used for grabbing the upper cover conveyed by the upper cover feeding device 260 and placing the upper cover on the upper portion of the labyrinth cover on the corresponding support trolley, an upper cover assembling device 530 is further arranged on the rack 100 behind the upper cover grabbing manipulator 360, and the upper cover assembling device 530 is used for pressing and buckling the upper cover on the middle frame.

The detection device 270 is used for performing performance tests on the assembled smoke detector.

A finished product grabbing manipulator 370 is arranged on the rack corresponding to the finished product blanking device 280, and the finished product grabbing manipulator 370 grabs the smoke detector assembled on the corresponding support trolley and places the smoke detector on the finished product blanking device 280.

Because when the matched stack of maze base and maze cover is carried out, need apply certain effort, if direct action on supporting the dolly, lead to supporting the dolly to warp because frequent action easily or the circulation line track warp, and then influence the orderly operation of whole production line, consequently still be provided with on the frame 100 with the maze base snatchs the first group that the manipulator 330 corresponds and with the maze cover snatchs the second group that the manipulator corresponds and joins in marriage elevating platform 520, first group is joined in marriage elevating platform 510 and second group and is joined in marriage elevating platform 520 and all set up in the supporting the dolly lower part that corresponds the matched stack station.

Specifically, the first assembling lifting table 510 and the second assembling lifting table 520 in this embodiment are both air cylinders fixedly disposed on the frame 100; when assembling, the output end of the air cylinder extends out and is attached to and supported by the lower part of the positioning seat of the supporting trolley corresponding to the assembling station. The corresponding grabbing manipulator grabs the labyrinth base or the labyrinth cover and then assembles, so that the assembly precision and quality can be guaranteed.

Referring to fig. 10 and 11, when the upper cover is assembled, effective pressing and buckling need to be guaranteed, so that the upper cover assembling device is designed independently, effective positioning and acting force can be improved, and the assembling quality is guaranteed. Specifically, the upper cover assembling device comprises a supporting vertical plate 531 arranged on the rack, a lower assembling cylinder 534 arranged at the bottom of the supporting vertical plate, and an upper assembling cylinder 533 arranged at the top of the supporting vertical plate, wherein a pressing head 535 matched with an upper cover is arranged at the action end of the upper assembling cylinder, a base is arranged at the action end of the lower assembling cylinder, a plurality of sliding guide rods 536 are uniformly distributed on the base in a circumferential manner, the number of the sliding guide rods is 4, the middle frame is supported by four circumferentially and uniformly distributed sliding guide rods, a compression spring 538 is arranged between the bases and arranged at the lower part of each sliding guide rod 536, the compression spring 538 can push the sliding guide rods to move upwards, a pressing in-place detection sensor 537 corresponding to each sliding guide rod 536 is further arranged on the base, and an upper supporting end 544 attached to and supported by the middle frame is arranged at the upper end of each sliding guide rod.

Further, the base in this embodiment includes an upper horizontal plate 539 and a lower horizontal plate 540 which are arranged in parallel and correspondingly from top to bottom, the lower horizontal plate 540 is fixedly connected with a lower matched air cylinder 534, a connecting column 543 is arranged between the upper horizontal plate 539 and the lower horizontal plate 540, the sliding guide rod 536 is arranged on the upper horizontal plate 539 in a matching and sliding penetrating manner, a compression spring 538 is arranged between the lower end of the sliding guide rod 536 and the lower horizontal plate 540, a sensor mounting table 541 is arranged on the lower side of the upper horizontal plate 539, the pressing in-place detection sensors 537 are uniformly arranged on the sensor mounting table 541, and a groove 542 corresponding to the pressing in-place detection sensor 537 is arranged on the sliding guide rod 536. In order to facilitate the adjustment of the telescopic amount of the sliding guide rod 536, the adjusting screw is arranged on the lower transverse plate, and the top of the adjusting screw is provided with a mounting groove corresponding to the compression spring.

During operation, after the support trolley runs in place, the upper assembled cylinder drives the pressing head 535 to move downwards, so that the pressing head is attached to and positioned on the upper cover; the lower assembly air cylinder drives the lower transverse plate, the upper transverse plate and the sliding guide rods to move upwards integrally until the upper support ends 544 at the tops of the four sliding guide rods prop against the lower part of the middle frame, no acting force exists between the middle frame and the support trolley at the moment, the middle frame continues to move upwards along with the lower assembly air cylinder, and the middle frame props the upper cover upwards under the action of the compression spring, so that the buckling of a plurality of buckles between the upper cover and the middle frame is completed. Because the number of the four buckles between the upper cover and the middle frame is four, when one buckle is not buckled in place, the upper end part of the sliding guide rod on the corresponding side is lower than the upper end parts of other sliding guide rods, and at the moment, the in-place pressing detection sensor can detect the state of the sliding guide rod which is not in place, so that an alarm is given out.

The arrangement of the grooves 542 on the sliding guide rod is used for in-place detection, and after the sliding guide rod is pressed in place, the grooves on the sliding guide rod at the corresponding position are staggered with the pressing detection sensors at the corresponding position, so that the existence of the sliding guide rod can be detected, and the lamp is on; when the pressing is not in place, the grooves in the sliding guide rods are lower relative to the grooves in other sliding guide rods, the grooves correspond to the corresponding pressing detection sensors, the existence of the sliding guide rods cannot be detected, and the lamp is turned off.

Further, the center loading device, the labyrinth base loading device, the labyrinth cover loading device, and the upper cover loading device in this embodiment all include a bin 611, a first vibration disk 612, and a first belt conveyor 613 connected to the discharge end of the vibration disk, guide side plates 614 are provided on both sides of the first belt conveyor, and a scraper type loading machine 615 is provided between the bin and the first vibration disk. Taking a middle frame feeding device as an example, the middle frame is stored in a storage bin, the middle frame is continuously lifted and conveyed to a first vibration disc through a scraper type feeding machine, ordered discharging of the middle frame is realized through vibration discharging of the first vibration disc, the middle frame is conveyed to a position to be grabbed through a corresponding first belt conveyor, and waiting for grabbing and assembling by a middle frame grabbing manipulator.

Due to the fact that a certain irregular convex or concave structure exists between two adjacent parts, when the two parts are extruded, the two parts are easily clamped, so that when a previous workpiece is grabbed, a subsequent workpiece is taken up, and the orderly assembly process is affected.

Specifically, the anti-coupling unit in this embodiment includes a stop plate 701, an upper cover plate 702 and a side supporting block 703, the stop plate 701 is disposed at the end of the first belt conveyor 613, the upper cover plate 702 is disposed on the upper portion of the first belt conveyor, a limiting channel for preventing the tilting of the component is formed between the upper cover plate and the conveying belt of the first belt conveyor, the side supporting block is disposed on the guiding side plate, and the guiding side plate is provided with a driving telescopic power push rod 704 for the side supporting block to move. Use the center as the example, orderly the putting on first band conveyer behind first vibration dish of center, and carry forward, the center that is located foremost is in and snatchs station department, the center at its rear portion receives the restraint of upper cover plate, even receive the extrusion of the center of rear side, the perk that can not make progress yet, can not lead to the center to take place the dislocation, in order to avoid the center of grabbing the station and the center of rear side to take place to link up, phenomenons such as block, flexible power push rod promotes the side and props up the piece and stretch out, thereby the center that makes and snatch the station rear side receives the effect of side top kicking block and is fixed in between side top kicking block and the direction curb plate, thereby can not make it take place to remove because of snatching of the center of snatching of the station.

Further, the light guide column feeding device comprises a second vibration disc 621, a second belt conveyor 622 and a light guide column positioning mechanism, wherein the light guide column positioning mechanism is used for clamping and turning the light guide column on the second belt conveyor so as to be convenient for the light guide column grabbing manipulator to grab and then assemble the light guide column, the light guide column positioning mechanism comprises a positioning support 623, a traversing support 624 arranged on the positioning support, a rotary table 625 rotationally arranged on the traversing support, a clamping power push rod 626 arranged on the rotary table and a clamping head 627 arranged at the end part of the clamping power push rod, and when the light guide column feeding device works, the light guide column conveyed by the second belt conveyor is clamped by the clamping head, the 90-degree turning of the light guide column is realized through the rotation of the rotary table, the light guide column is converted into a vertical state from a horizontal state before, and finally the light guide column grabbing manipulator grabs so as to be convenient for the light guide column to be assembled into a labyrinth base and a labyrinth cover; the PCBA board separating device comprises a board separating machine 631 and a third belt conveyor 632. The material loading of leaded light post is changeed more easily relatively and is controlled, and the material loading of PCBA board chooses for use corresponding current production facility according to its self characteristic can, no longer describe to its structure again.

The detection device comprises a detection bracket 271, an upper detection cylinder 272 arranged at the top of the detection bracket, an upper detection plate 273 fixedly arranged at the action end of the upper detection cylinder, a plurality of upper detection heads 274 fixedly arranged on the detection plate 273, a lower detection cylinder 275 arranged on the detection bracket, a lower detection plate 276 fixedly arranged at the action end of the lower detection cylinder and a plurality of lower detection heads 277 fixedly arranged on the lower detection plate, wherein the detection of finished products of a plurality of smoke detectors can be realized at a single time through the plurality of detection heads; the finished product unloader of this application is including the fourth band conveyer 641 and the fifth band conveyer 642 that set up side by side, fourth band conveyer is used for carrying the finished product to snatch the qualified product that the manipulator snatched, fifth band conveyer is used for carrying the finished product to snatch the nonconforming product that the manipulator snatched.

According to corresponding production requirements, a marking or code spraying device can be arranged, as shown in the figure, a marking device 380 and a marking detection device 390; to the auxiliary detection device of center in this application, auxiliary detection device of PCBA board, auxiliary detection device of maze base etc. all can adopt infrared detection or image recognition to detect, in order to ensure the location matched stack precision of each part, can also add corresponding auxiliary detection device in the position of other manipulator that snatch for improve the precision and the assembly quality that detect, utilize infrared detection or image recognition to detect the effective location that the guarantee corresponds snatchs the manipulator. Each grabbing manipulator in the embodiment has a function of driving the manipulator to rotate in the circumferential direction, so that parts can be switched among different stations, and also has a function of driving the manipulator to grab the parts or put down the parts; the pressing and assembling machine further has the function of driving the manipulator to move up and down, and is used for realizing pressing and assembling through the lifting action when the parts are placed in the assembling station.

The circular line track can be a circular ring or a long strip-shaped circular track as shown in the figure, the driving can be realized in a mode of integral synchronous driving or single support trolley independent driving control, the reasonable arrangement can be realized according to the process steps of the whole production line, and the action mode can be a chain driving mode or a gear and rack driving mode. As shown in the figure, the supporting trolley is clamped on the circulating line track through a plurality of groups of supporting wheels, and the positioning seats are arranged on the supporting trolley in a cantilever type structure. Two parallel circulating line rails can be adopted, the two ends of the supporting trolley are supported on the two circulating line rails in a matched mode, or other circulating line rails in the prior art can be adopted, and the stable operation of the whole structure needs to be guaranteed.

The term "and/or" herein means that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

While the preferred embodiments for carrying out the invention have been described in detail, it should be understood that they have been presented by way of example only, and not limitation as to the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art, which modifications are within the scope of the present invention.

Claims (10)

1. An intelligent assembly production line for smoke detectors is characterized by comprising a rack and a support trolley, wherein an annular circulating line track is distributed on the rack; a plurality of groups of supporting trolleys are supported on the circulating line track in a walking way, and positioning seats are arranged on the supporting trolleys; a middle frame feeding device, a PCBA board separating device, a labyrinth base feeding device, a labyrinth cover feeding device, a light guide column feeding device, an upper cover feeding device, a detection device and a finished product discharging device are sequentially arranged along the circumferential direction of the circulating line track, and a control cabinet is arranged at the upper part or the side part of the rack;

a middle frame grabbing mechanical arm is arranged on the rack corresponding to the middle frame feeding device and used for grabbing the middle frame conveyed by the middle frame feeding device and placing the middle frame on a positioning seat of the supporting trolley;

a PCBA board grabbing manipulator and a middle frame auxiliary detection device are arranged on the rack corresponding to the PCBA board separating device, the middle frame auxiliary detection device is used for detecting and identifying the position of a middle frame on the in-place supporting trolley, and the PCBA board grabbing manipulator is used for grabbing and assembling the PCBA board conveyed by the PCBA board separating device on the middle frame on the corresponding supporting trolley;

a labyrinth base grabbing mechanical arm and a PCBA auxiliary detection device are arranged on the rack corresponding to the labyrinth base feeding device, the PCBA auxiliary detection device is used for detecting and identifying the position of the PCBA on the in-place supporting trolley, and the labyrinth base grabbing mechanical arm is used for grabbing and assembling the labyrinth base conveyed by the labyrinth base feeding device on the upper part of the PCBA;

a labyrinth cover grabbing mechanical arm and a labyrinth base auxiliary detection device are arranged on the rack corresponding to the labyrinth cover feeding device, the labyrinth base auxiliary detection device is used for detecting and identifying the position of the labyrinth base on the in-place supporting trolley, and the labyrinth cover grabbing mechanical arm is used for grabbing and assembling the labyrinth cover conveyed by the labyrinth cover feeding device on the upper part of the labyrinth base;

a light guide column grabbing mechanical arm is arranged on the rack corresponding to the light guide column feeding device and is used for grabbing and assembling the light guide column conveyed by the light guide column feeding device into a labyrinth cover and a labyrinth base on a corresponding supporting trolley;

an upper cover grabbing mechanical arm is arranged on the rack corresponding to the upper cover feeding device and used for grabbing the upper cover conveyed by the upper cover feeding device and placing the upper cover on the upper part of the labyrinth cover on the corresponding support trolley, an upper cover assembling device is further arranged on the rack on the rear side of the upper cover grabbing mechanical arm and used for pressing and buckling the upper cover on the middle frame;

the detection device is used for carrying out performance test on the assembled smoke detector;

and a finished product grabbing manipulator is arranged on the rack corresponding to the finished product blanking device, grabs the smoke detector assembled on the corresponding support trolley and places the smoke detector on the finished product blanking device.

2. The intelligent assembling production line of smoke detectors according to claim 1, wherein a first assembling lifting table corresponding to the labyrinth base grabbing manipulator and a second assembling lifting table corresponding to the labyrinth cover grabbing manipulator are further arranged on the rack, and the first assembling lifting table and the second assembling lifting table are both arranged on the lower portion of the supporting trolley corresponding to the assembling station.

3. The intelligent assembling production line of smoke detectors according to claim 2, wherein the first assembling lifting table and the second assembling lifting table are cylinders fixedly arranged on the machine frame; when assembling, the output end of the air cylinder extends out and is attached to and supported by the lower part of the positioning seat of the supporting trolley corresponding to the assembling station.

4. The intelligent assembling line for the smoke detectors according to claim 1, wherein the upper cover assembling device comprises a supporting vertical plate arranged on the frame, a lower assembling cylinder arranged at the bottom of the supporting vertical plate, and an upper assembling cylinder arranged at the top of the supporting vertical plate, a pressing head matched with the upper cover is arranged at the action end of the upper assembling cylinder, a base is arranged at the action end of the lower assembling cylinder, a plurality of sliding guide rods are uniformly distributed on the base in a circumferential direction, compression springs are arranged between the bases at the lower parts of the sliding guide rods, in-place pressing detection sensors corresponding to the sliding guide rods are further arranged on the base, and upper supporting end heads attached to the top support of the middle frame are arranged at the upper ends of the sliding guide rods.

5. The intelligent assembling line for the smoke detectors as claimed in claim 4, wherein the base comprises an upper transverse plate and a lower transverse plate which are arranged in parallel and correspondingly from top to bottom, the lower transverse plate is fixedly connected with the lower assembling cylinder, a connecting column is arranged between the upper transverse plate and the lower transverse plate, the sliding guide rod is arranged on the upper transverse plate in a matching and sliding manner, a compression spring is arranged between the lower end of the sliding guide rod and the lower transverse plate, a sensor mounting table is arranged on the lower side of the upper transverse plate, the in-place pressing detection sensors are uniformly arranged on the sensor mounting table, and a groove corresponding to the in-place pressing detection sensors is arranged on the sliding guide rod.

6. The intelligent assembly line of smoke detectors according to claim 1, characterized in that center loading attachment, labyrinth base loading attachment, labyrinth cover loading attachment, upper cover loading attachment all include feed bin, first vibration dish and with the first band conveyer that the discharge end of vibration dish is connected the both sides of first band conveyer are provided with the direction curb plate, be provided with between feed bin and the first vibration dish and scrape board-like material loading machine.

7. The intelligent assembling line for smoke detectors according to claim 6, wherein the discharge end of the first belt conveyor is provided with an anti-coupling unit, and the anti-coupling unit is used for preventing two adjacent parts on the first belt conveyor from coupling together.

8. The intelligent assembly line of smoke detectors according to claim 7, wherein the anti-coupling unit comprises a stop plate, an upper cover plate and a side top support block, the stop plate is arranged at the end of the first belt conveyor, the upper cover plate is arranged at the upper part of the first belt conveyor, a limiting channel for preventing the parts from tilting is formed between the upper cover plate and the conveying belt of the first belt conveyor, the side top support block is arranged on the guide side plate, and a telescopic power push rod for driving the side top support block to move is arranged on the guide side plate.

9. The intelligent assembling production line of smoke detectors according to claim 1, wherein the light guide column feeding device comprises a second vibrating disk, a second belt conveyor and a light guide column positioning mechanism, the light guide column positioning mechanism comprises a positioning support, a traversing frame arranged on the positioning support, a rotary table rotatably arranged on the traversing frame, a clamping power push rod arranged on the rotary table and a clamping head arranged at an action end of the clamping power push rod; the PCBA board separating device comprises a board separating machine and a third belt conveyor.

10. The intelligent assembly line of smoke detectors according to claim 1, wherein the detection device comprises a detection bracket, an upper detection cylinder arranged at the top of the detection bracket, an upper detection plate fixedly arranged at the action end of the upper detection cylinder, a plurality of upper detection heads fixedly arranged on the detection plate, a lower detection cylinder arranged on the detection bracket, a lower detection plate fixedly arranged at the action end of the lower detection cylinder, and a plurality of lower detection heads fixedly arranged on the lower detection plate, and finished product detection of a plurality of smoke detectors can be realized at a time through the plurality of detection heads;

the finished product blanking device comprises a fourth belt conveyor and a fifth belt conveyor which are arranged side by side, the fourth belt conveyor is used for conveying the qualified products grabbed by the finished product grabbing manipulator, and the fifth belt conveyor is used for conveying the unqualified products grabbed by the finished product grabbing manipulator.

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