CN110802399A

CN110802399A - LED point light source assembling system

Info

Publication number: CN110802399A
Application number: CN201911121398.3A
Authority: CN
Inventors: 郭庆水; 李剑
Original assignee: Shenzhen Ex Lighting Technology Holdings Co Ltd
Current assignee: Shenzhen Ex Lighting Technology Holdings Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-02-18

Abstract

The embodiment of the invention provides an LED point light source assembly system, which comprises a cutting and welding material coating device, a wire buckle injection molding device, an automatic welding device, a bottom shell assembly device and a production line device which are sequentially distributed from an assembly starting station according to an assembly process of an LED point light source, wherein a conveying belt of the production line device sequentially passes through the cutting and welding material coating device, the wire buckle injection molding device, the automatic welding device and the bottom shell assembly device to continuously convey workpieces; the bottom shell assembly equipment comprises a bottom shell supply device used for storing and supplying the bottom shell, an assembly mold used for bearing and positioning the bottom shell and the wire assemblies, and a pressing device used for pressing and assembling the bottom shell and the wire assemblies borne by the assembly mold into a whole, wherein the bottom shell supply device comprises a plurality of accommodating grooves which are distributed in a matrix form and used for accommodating the bottom shell in an alignment mode, and a grabbing mechanism used for taking out the bottom shell from the accommodating grooves and placing the bottom shell into the assembly mold. The embodiment of the invention can effectively avoid the accumulation of the assembly semi-finished products and improve the assembly efficiency.

Description

LED point light source assembling system

Technical Field

The embodiment of the invention relates to the technical field of LED point light source assembly, in particular to an LED point light source assembly system.

Background

An existing LED point light source generally includes a PCB circuit board assembled with an LED chip, a lamp housing composed of a bottom case and a lamp cover and covering the PCB circuit board, and a wire rod having one end soldered to the PCB circuit board and the other end penetrating through the lamp housing to extend out to connect an external circuit. Currently, the assembly process of LED point light sources generally includes: the automatic wire cutting and solder adhering equipment cuts a wire material belt into wires with preset length, the wires are adhered with solder at two ends of the wires, the wires adhered with the solder are conveyed to a wire buckle injection molding machine, the wires are injected by two ends to form wire buckles, the wires with the wire buckles formed at two ends are welded with a PCB circuit board through automatic welding equipment, then the bottom shell and the PCB circuit board welded with the wires are pressed through bottom shell assembling equipment to form an LED point light source semi-finished product, and finally, a lampshade and the bottom shell are manually buckled to form an LED point light source finished product.

However, in the existing assembly process, equipment for automatically cutting wires and dipping solder, a wire buckle injection molding machine, automatic welding equipment and bottom shell assembly equipment are relatively scattered, semi-finished products in each assembly step are easy to form accumulation if not immediately conveyed to the next assembly link after the current step is completed, and the accumulation of the semi-finished products easily causes circuit elements on a PCB circuit board to be extruded and damaged; moreover, the semi-finished products are manually carried by operators, the labor force is large, and the assembly efficiency is relatively low.

Disclosure of Invention

The technical problem to be solved by the embodiment of the invention is to provide an LED point light source assembling system, which can effectively improve the assembling efficiency.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: an LED point light source assembly system comprises cutting and welding material coating equipment, wire buckle injection molding equipment, automatic welding equipment, bottom shell assembly equipment and assembly line equipment which are sequentially distributed from an assembly starting station according to an assembly process of an LED point light source;

the conveying belt of the assembly line equipment sequentially passes through the cutting and welding material coating equipment, the wire buckle injection molding equipment, the automatic welding equipment and the bottom shell assembling equipment to continuously convey workpieces;

the bottom shell assembly equipment comprises a bottom shell supply device used for storing and supplying a bottom shell, an assembly mold used for bearing and positioning the bottom shell provided by the bottom shell supply device and a wire assembly obtained by processing of the automatic welding equipment and conveyed by the assembly line equipment, and a pressing device used for being matched with the assembly mold to press and assemble the bottom shell and the wire assembly borne by the assembly mold into a whole, wherein the bottom shell supply device comprises a plurality of accommodating grooves which are distributed in a matrix shape and used for accommodating the bottom shell in an aligned mode, and a grabbing mechanism arranged between the accommodating grooves and the assembly mold and used for taking out the bottom shell from the accommodating grooves and placing the bottom shell into the assembly mold.

Furthermore, the grabbing mechanism comprises a grabbing fixture and a three-dimensional power module, wherein the grabbing fixture is used for grabbing the bottom shell from the accommodating groove, and the three-dimensional power module is used for driving the grabbing fixture to move three-dimensionally.

Furthermore, the assembly mold comprises a first positioning groove used for accommodating the wire assembly at a fixed point and a second positioning groove used for accommodating the bottom shell at a fixed point, and the first positioning groove and the second positioning groove are communicated and overlapped with each other at positions corresponding to the connection position of the wire assembly and the bottom shell.

Furthermore, the pressing device comprises a pressing power piece for outputting linear power and a pressing plate fixed at the tail end of an output shaft of the pressing power piece and used for pressing the bottom shell.

Further, the cutting and solder coating equipment comprises:

a supply device for continuously supplying a strip of line material;

a cutting device for cutting the thread material belt according to a preset length to obtain thread materials and cutting thread skins of the thread material belt at a position away from the cutting position of the thread material belt by a preset distance; and

and the wire stripping device is arranged at the downstream side of the cutting device, the wire stripping device comprises a wire stripping clamp and a power mechanism for driving the wire stripping clamp to horizontally reciprocate along the conveying direction of the linear material strip and rotate around a horizontal axis vertical to the conveying direction of the linear material strip, and a solder groove for containing solder is also arranged below the wire stripping clamp.

Further, the power mechanism comprises a first power module and a second power module fixed at the output end of the first power module, the wire stripping clamp is fixed at the output end of the second power module, one of the first power module and the second power module is a power module for outputting linear motion power, and the other is a power module for outputting rotary motion power.

Furthermore, the wire stripping clamp comprises a support base, a first clamping arm, a second clamping arm and a clamping driving assembly for driving the first clamping arm and the second clamping arm to open and close in a relatively rotating manner, wherein at least one of the first clamping arm and the second clamping arm is pivoted on the support base.

Furthermore, the cutting and welding material coating equipment, the wire buckle injection molding equipment, the automatic welding equipment and the bottom shell assembling equipment are all assembled on the same side of the assembly line equipment.

Furthermore, the assembly line equipment comprises a first conveying section and a second conveying section, wherein the first conveying section is used for receiving and conveying the wire rod which is processed by the cutting and welding equipment and has two ends adhered with welding fluxes, the second conveying section is connected with the tail end of the first conveying section to receive the wire rod, and the cutting and welding equipment further comprises an inclined sliding plate which transfers the wire rod adhered with the welding fluxes to the first conveying section.

Furthermore, first transport section and second transport section structure are the same, all include the guide rail, pin joint in the action wheel and the follow driving wheel at the relative both ends of guide rail respectively, around locating on action wheel and follow driving wheel and by the transport area that the action wheel drove marcing and drive action wheel pivoted rotary power spare.

After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: according to the embodiment of the invention, the cutting and welding material coating equipment, the wire buckle injection molding equipment, the automatic welding equipment and the bottom shell assembling equipment are sequentially assembled beside the assembly line equipment along the conveying direction of the assembly line equipment, the semi-finished products of each processing equipment are continuously conveyed by the conveying belt of the assembly line equipment, after the processing step of each processing equipment is completed, an operator can immediately put the semi-finished product in the step into the assembly line equipment, the assembly line equipment immediately conveys the semi-finished product to the next processing step, and after the bottom shell and the wire component finished product are pressed, the assembling personnel assemble the lamp shade, the lamp aging test and other operations on the LED point light source semi-finished product on the downstream side of the assembly line equipment, so that the transportation of the semi-finished product is reduced, the accumulation of the assembled semi-finished product can be effectively; through setting up a plurality of holding tanks that are the matrix and distribute and be used for counterpointing and hold the drain pan and set up in the holding tank with be used for between the assembling die with the drain pan is followed take out in the holding tank and place the mechanism that snatchs in the assembling die, when actual assembly, snatch the mechanism and can snatch the drain pan that waits to assemble in the holding tank one by one high-efficiently, avoided the manual work to place the drain pan in the assembling die, can effectively improve the supply efficiency of drain pan.

Drawings

Fig. 1 is a schematic structural diagram of an alternative embodiment of an LED point light source mounting system of the present invention.

Fig. 2 is a schematic structural diagram of a bottom case assembling device of an alternative embodiment of the LED point light source assembling system of the present invention.

Fig. 3 is a schematic structural diagram of an LED spot light source assembling system according to an alternative embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a power mechanism according to an alternative embodiment of the LED point light source mounting system of the present invention.

Fig. 5 is a schematic structural diagram of a wire stripping clamp according to an alternative embodiment of the LED point light source assembling system of the present invention.

Fig. 6 is a schematic structural view of a wire stripping clamp according to yet another alternative embodiment of the LED point light source mounting system of the present invention.

Fig. 7 is a schematic structural diagram of a first conveying section of an alternative embodiment of the LED point light source mounting system of the present invention.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.

As shown in fig. 1 and fig. 2, an alternative embodiment of the present invention provides an LED point light source assembling system, which includes a cutting and welding material coating device 1, a wire-buckle injection molding device 3, an automatic welding device 5, a bottom case assembling device 7 and a production line device 9, which are arranged in sequence from an assembling start station according to an assembling process of the LED point light source;

the conveying belt 90 of the assembly line equipment 9 passes through the cutting and welding material coating equipment 1, the wire buckle injection molding equipment 3, the automatic welding equipment 5 and the bottom shell assembly equipment 7 in sequence to continuously convey workpieces;

the bottom case assembling device 7 includes a bottom case supplying device 70 for storing and supplying a bottom case, an assembling mold 72 for carrying and positioning the bottom case supplied by the bottom case supplying device 70 and the wire assembly processed by the automatic welding device 5 and conveyed by the line device 9, and a pressing device 74 for cooperating with the assembling mold 72 to press-fit and assemble the bottom case and the wire assembly carried by the assembling mold 72 into a whole, wherein the bottom case supplying device 70 includes a plurality of accommodating grooves 701 distributed in a matrix form and for accommodating the bottom case in alignment, and a gripping mechanism 703 provided between the accommodating grooves 701 and the assembling mold 72 for taking out the bottom case from the accommodating grooves 701 and placing the bottom case into the assembling mold 72.

In the specific implementation, the cutting and welding material coating device 1 is used for processing a wire material strip to obtain a wire semi-finished product with a preset length and welding materials adhered to the end part; the wire buckle injection molding equipment 3 is used for injection molding a wire buckle on the wire rod semi-finished product to obtain a wire rod finished product; the automatic welding equipment 5 is used for welding the wire rod finished product and the PCB to obtain a wire rod assembly finished product; and the bottom shell assembling equipment 7 is used for pressing and assembling the wire component finished product and the bottom shell to obtain an LED point light source semi-finished product.

In an alternative embodiment of the present invention, as shown in fig. 2, the grabbing mechanism 703 includes a grabbing clamp 7030 for grabbing the bottom case from the accommodating groove 701 and a three-dimensional power module 7032 for driving the grabbing clamp 703 to perform three-dimensional movement. In this embodiment, the grabbing clamp 7030 is used to clamp the to-be-assembled bottom case located in the accommodating groove 701, and the three-dimensional power module 7032 can effectively drive the grabbing clamp 7030 to clamp the to-be-assembled bottom case in the accommodating groove 70 at any position, and transfer the to-be-assembled bottom case to the assembling mold 70. In specific implementation, the gripping fixture 7030 may be in the form of a mechanical fixture controlled by a pneumatic fixture or an air cylinder, and in the embodiment shown in fig. 2, the gripping fixture 7030 is a pneumatic fixture.

In yet another alternative embodiment of the present invention, as shown in fig. 2, the assembling die 72 includes a first positioning slot 721 for fixedly receiving the wire assembly and a second positioning slot 723 for fixedly receiving the bottom case, and the first positioning slot 721 and the second positioning slot 723 are overlapped with each other in a penetrating manner at a position corresponding to a connection position of the wire assembly and the bottom case. In the actual assembly of this embodiment, the wire assembly is first placed in the first positioning groove 721 of the assembly mold 72, wherein the portion of the PCB circuit board that needs to be correspondingly clamped into the bottom case is directly opposite to the second positioning groove 723, so as to ensure accurate alignment between the wire assembly and the bottom case to be assembled, and improve the assembly quality.

In another alternative embodiment of the present invention, as shown in fig. 2, the pressing device 74 includes a pressing power member 741 outputting linear power, and a pressing plate 743 fixed at the end of the output shaft of the pressing power member 741 for pressing against the bottom shell. In this embodiment, the pressing power member 741 is adopted to drive the pressing plate 743 to press the bottom case, so that the wire assembly and the bottom case can be effectively pressed in place, and the assembly efficiency is improved.

In yet another alternative embodiment of the present invention, as shown in fig. 3, the cutting and soldering apparatus 1 comprises:

a feeder device 10 for continuously supplying a strip of line material;

a cutting device 12 for cutting the thread material belt according to a predetermined length to obtain thread materials and cutting the thread skins of the thread material belt at a position away from the cutting position of the thread material belt by a predetermined distance; and

and the wire stripping device 14 is arranged at the downstream side of the cutting device 12, the wire stripping device 14 comprises a wire stripping clamp 141 and a power mechanism 143 for driving the wire stripping clamp 141 to horizontally reciprocate along the conveying direction of the linear material strips and rotate around the horizontal axis vertical to the conveying direction of the linear material strips, and a solder groove 16 for containing solder is arranged below the wire stripping clamp 141. The cutting and welding material coating device 1 of the embodiment of the invention adopts the wire stripping clamp 141 to clamp the wire, then the wire stripping clamp is driven by the power mechanism 143 to linearly move firstly so as to effectively strip the outer layer of one end of the wire, and the power mechanism 143 is driven to rotate so as to dip the wire core with the wire skin stripped at the tail end of the wire into the liquid welding material in the welding material groove 16 below, so that the welding material is attached to the surface of the wire core, the whole process is automatic, and the working efficiency is high. In specific implementation, two solder grooves 16 are provided below the wire stripping fixture 141, and are used for containing solder and soldering flux respectively.

In an alternative embodiment of the present invention, as shown in fig. 4, the power mechanism 143 includes a first power module 1430 and a second power module 1432 fixed to an output end of the first power module 1430, the wire stripping fixture 141 is fixed to an output end of the second power module 1432, one of the first power module 1430 and the second power module 1432 is a power module outputting linear motion power, and the other is a power module outputting rotational motion power. In the embodiment, the first power module 1430 and the second power module 1432, one of which outputs linear motion power and the other of which outputs rotary motion, can efficiently strip the skin of the end of the wire and stick the solder.

In yet another alternative embodiment of the present invention, the wire stripping clamp 141 includes a support base 1410, a first clamping arm 1412, a second clamping arm 1414, and a clamping driving assembly 1416 for driving the first clamping arm 1412 and the second clamping arm 1414 to open and close relatively, wherein at least one of the first clamping arm 1412 and the second clamping arm 1414 is pivoted to the support base 1410. The present embodiment can provide stable clamping force to facilitate peeling by clamping the driving assembly 1416 to drive the first clamp arm 1412 and the second clamp arm 1414.

In practical implementation, as shown in fig. 5, the first and

second clamp arms

1412 and 1414 are pivotally disposed on the support base 1410 by means of pivots 1418, the first and

second clamp arms

1412 and 1414 each have a clamping end and a driving end respectively located at two opposite sides of the pivot 1418, the clamping driving assembly 1416 includes a linear power member 1416a, and a first link 1416b and a second link 1416c both hinged at one end to an output end of the linear power member 1416a, and the other ends of the first link 1416b and the second link 1416c are hinged to the driving ends of the first and

second clamp arms

1412 and 1414 respectively; alternatively, as shown in FIG. 6:

the first clamping arm 1412 is pivoted on the support base 1410 by a pivot 1418, the second clamping arm 1414 is fixedly mounted on the support base 1410, the first clamping arm 1412 has a clamping end and a driving end respectively located at two opposite sides of the pivot 1418, and the clamping driving assembly 1416 comprises a linear power piece 1416a and a transmission link 1416b, two ends of which are respectively hinged to the output end of the linear power piece 1416a and the driving end of the first clamping arm 1412. In this embodiment, the peeling clamp 141 with the above two structural forms can stably clamp the wire material strip, thereby facilitating the wire stripping and tin adhering operations.

In another alternative embodiment of the present invention, the cutting and welding material coating device 1, the wire button injection molding device 3, the automatic welding device 5 and the bottom shell assembly device 7 are assembled on the same side of the production line device 9. This embodiment all assembles each rigging equipment in same one side of assembly line equipment 9, and convenient assembling makes things convenient for operating personnel to get the semi-manufactured goods of putting each step between each processing equipment, improves work efficiency.

In still another alternative embodiment of the present invention, as shown in fig. 1, the assembly line device 9 includes a first conveying section 92 for receiving and conveying the wire material processed by the cutting and soldering apparatus 1 and having solder adhered to both ends thereof, and a second conveying section 94 engaged with an end of the first conveying section 92 for receiving the wire material, and the cutting and soldering apparatus 1 further includes an inclined slide plate 18 for transferring the wire material adhered with solder to the first conveying section 92. In the embodiment, the wire rod after being wetted with tin is transferred to the first conveying section 92 through the inclined sliding plate 18, and since the solder which is not completely cooled possibly exists on the wire rod just after being wetted with tin and is attached to the assembly line device 9, the semi-finished wire rod product is independently conveyed by the first conveying section 92, so that the solder is prevented from being attached to the semi-finished product at the downstream side of the assembly line device 9.

In yet another alternative embodiment of the present invention, as shown in fig. 7, the first conveying section 92 and the second conveying section 94 have the same structure, and each of the first conveying section 92 and the second conveying section 94 includes a guide track 921, a driving wheel 923 and a driven wheel 925 pivotally connected to opposite ends of the guide track 921, respectively, a conveying belt 90 wound around the driving wheel 923 and the driven wheel 925 and driven by the driving wheel 923 to travel, and a rotating power member 927 driving the driving wheel 923 to rotate. This embodiment is passed through rotatory power spare 927 drive action wheel 923 and is rotated, and then realizes that conveyer belt 90 is carrying the semi-manufactured goods motion of each step, can effectual improvement LED pointolite's assembly efficiency, avoids semi-manufactured goods backlog. In specific implementations, the rotating power member 927 may be a motor or a rotating cylinder.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An LED point light source assembly system comprises cutting and welding material coating equipment, wire buckle injection molding equipment, automatic welding equipment and bottom shell assembly equipment which are sequentially distributed from an assembly starting station according to an assembly process of an LED point light source;

the system is characterized by also comprising a production line device, wherein a conveying belt of the production line device sequentially passes through the cutting and welding material coating device, the wire buckle injection molding device, the automatic welding device and the bottom shell assembling device to continuously convey workpieces;

2. The LED point light source assembling system of claim 1, wherein said grasping mechanism comprises a grasping fixture for grasping a bottom case from within said receiving groove and a three-dimensional power module for driving said grasping fixture to move in three dimensions.

3. The LED point light source mounting system of claim 1 wherein the assembly mold includes a first positioning groove for spot-receiving the wire assembly and a second positioning groove for spot-receiving the bottom housing, the first and second positioning grooves being overlapped with each other at a location corresponding to where the wire assembly and the bottom housing are coupled.

4. The LED point light source assembling system of claim 1, wherein said pressing means comprises a pressing power member outputting linear power and a pressing plate fixed to the end of the output shaft of the pressing power member for pressing against the bottom case.

5. The LED point light source mounting system of claim 1 wherein said trim and solder apparatus comprises: a supply device for continuously supplying a strip of line material;

6. The LED point light source assembling system of claim 5, wherein said power mechanism comprises a first power module and a second power module fixed to the output end of the first power module, said wire stripping fixture is fixed to the output end of the second power module, one of said first power module and said second power module is a power module outputting linear motion power and the other is a power module outputting rotational motion power.

7. The LED point light source mounting system of claim 5 wherein the wire stripping clamp includes a support base, a first clamping arm, a second clamping arm, and a clamping driving assembly for driving the first clamping arm and the second clamping arm to open and close in a relative rotation manner, at least one of the first clamping arm and the second clamping arm being pivotally mounted on the support base.

8. The LED point light source assembling system of claim 1, wherein the cutting and solder coating equipment, the wire-clip injection molding equipment, the automatic welding equipment and the bottom shell assembling equipment are assembled on the same side of the assembly line equipment.

9. The LED point light source assembling system of claim 1 or 5, wherein said line equipment includes a first conveying section for receiving and conveying the wire processed by said cutting and soldering equipment and having solder adhered to both ends thereof, and a second conveying section engaged with the end of said first conveying section for receiving said wire, said cutting and soldering equipment further including an inclined slide plate for transferring the wire with solder adhered thereto to said first conveying section.

10. The LED point light source assembling system of claim 9, wherein the first transporting section and the second transporting section are identical in structure and each include a guide rail, a driving wheel and a driven wheel respectively pivoted to opposite ends of the guide rail, a transporting belt wound around the driving wheel and the driven wheel and driven by the driving wheel to travel, and a rotary power member for driving the driving wheel to rotate.