CN103338598B - A kind of automatic conveyor and circuit assembly system - Google Patents
A kind of automatic conveyor and circuit assembly system Download PDFInfo
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- CN103338598B CN103338598B CN201310228697.3A CN201310228697A CN103338598B CN 103338598 B CN103338598 B CN 103338598B CN 201310228697 A CN201310228697 A CN 201310228697A CN 103338598 B CN103338598 B CN 103338598B
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Abstract
The invention discloses the automatic conveyor in a kind of circuit assembly system and circuit assembly system, automatic conveyor in this circuit assembly system comprises: feed unit, the lifting delivery unit of this feed unit end contiguous, the tool being positioned at the cyclic transfer unit above this lifting delivery unit and being fixed on this cyclic transfer unit, when printed circuit board to be sent on the lifting delivery unit below this cyclic transfer unit by this feed unit, this lifting delivery unit rises, this printed circuit board is aimed at and is fixed on this tool, by the shuttling movement of this cyclic transfer unit, this tool is inverted to the top of this cyclic transfer unit so that carry out welding operation.Automatic conveyor provided by the invention and circuit assembly system achieve printed circuit board from plug-in unit to the fully-automatic production of welding, substantially increase production efficiency.
Description
Technical field
The present invention relates to electronic welding field, the circuit assembly system particularly relating to a kind of automatic conveyor and be made up of it.
Background technology
The main work flow of current electronics manufacturing is: surface patch processing-Reflow Soldering-plug-in unit-wave-soldering.Surface patch processing is that electronic devices and components are mounted pad locations specified by pcb board.After electronic devices and components being mounted the pad of its correspondence, realized room machine and the electrical connection of surface-assembled components and parts welding end or pin and printed circuit board pad by Reflow Soldering.And for the element of the patch capacitor, resistance and so on after through-hole mounting element or some little solid glue, then need according to circumstances to select corresponding welding manner after plug-in unit.For this kind of components and parts, wave-soldering can be selected to complete its welding.
Wave-soldering flow process is: element to be inserted in corresponding component hole → pre-coated soldering flux → preheating → wave-soldering → cool → excise the pin → inspection of unnecessary plug-in unit.But, for double sided board, because the element of some has all been installed on its two sides, after its one side uses wave-soldering to complete welding, if another side continues to use wave-soldering, the tin in that face having completed welding will be caused to be melted, so for the two-sided pcb board all having plug-in unit, cannot all to use wave-soldering to complete welding in two sides.In addition, for the components and parts (as battery etc.) that some thermal sensitivities are higher, the temperature due to Wave crest Welding process may cause such electronic devices and components to damage, so wave-soldering is also inapplicable.
For the welding of the electronic devices and components that above various wave-soldering cannot realize, welding fixture can be utilized to assist and adopt manual type or tin soldering machine to realize welding.Human weld's mode is after artificial plug-in unit, and reversion pcb board, welds contact pin.Human weld's mode needs a large amount of manpower, and high to operator's skill set requirements, fraction defective is higher, inefficiency, and homogeneity of product is very poor, and quality is unstable.Utilizing tin soldering machine to weld is after artificial plug-in unit, pcb board is loaded tool, under being fixed on tin soldering machine, is manually taken out by product after tin soldering machine completes scolding tin action.Therefore, even if use the welding that tin soldering machine realizes pcb board also need a large amount of dependent manual operations, human cost problem cannot thoroughly be solved.
In addition, the mode that the tool used in existing circuit assembly system adopts usually does corresponding tool for different products, and this just makes every a product all need corresponding tool.In order to enhance productivity, every a product all needs tool identical in a large number, thus needs a large amount of tool, and cost is very high.In addition, because the precision of each tool differs, make the product produced also there will be deviation, the quality of product can not be ensured.
To sum up, there is following problem in existing circuit assembly system: 1, printed circuit board carrys out complete operation from after plug-in unit to the manpower that the process need completing welding is a large amount of, and the output of product and efficiency are not high; 2, welding process completes the welding of pcb board for the tool that different product needed is different in a large number or needs multiple identical tool to realize the production of identical product for a product, and cost is higher; 3, because tool machining accuracy differs, weares and teares, is out of shape the inconsistency that all can cause tool, production efficiency and quality is directly affected.
Summary of the invention
The present invention is directed to existing pcb board from after plug-in unit to the above-mentioned deficiency that welding process completes, the circuit assembly system of having invented a kind of automatic conveyor and being made up of it.
Automatic conveyor disclosed by the invention comprises: feed unit, the lifting delivery unit of contiguous described feed unit end, the tool being positioned at the cyclic transfer unit above described lifting delivery unit and being fixed on described cyclic transfer unit, when printed circuit board to be sent on the lifting delivery unit below described cyclic transfer unit by described feed unit, described lifting delivery unit rises, described printed circuit board is aimed at and is fixed on described tool, by the shuttling movement of described cyclic transfer unit, described tool is inverted to the top of described cyclic transfer unit so that carry out welding operation.
In one embodiment of the invention, the tool be fixed on described cyclic transfer unit comprises with the main body in recess space, the guiding piece be located in the recess space of described main body, is plugged into the thimble in described guiding piece and is installed on the locking mechanism for fixing described thimble and printed circuit board to be welded in described main body.
According to another embodiment of the invention, the end periphery that described thimble is inserted into described guiding piece is provided with interrupted or continuous print boss, and the end of stretching out one end of described guiding piece in described thimble is circular arc end face.
According to another embodiment of the invention, described guiding piece is hollow sleeve, and the top of described hollow sleeve is provided with closing in, and the diameter of described closing in is less than the diameter that described thimble contains one end of described boss, skids off described hollow sleeve to limit described thimble.
According to another embodiment of the invention, described guiding piece is multi-through hole parts and placed on it and be provided with the plate in the hole corresponding with multi-through hole parts, the aperture in the hole on wherein said plate is less than the diameter that described thimble contains one end of described boss, skids off described multi-through hole parts to limit described thimble.
According to another embodiment of the invention, described locking mechanism comprises the valve for controlling Compressed Gas to be filled with described cavity that the clamping device be fixed in main body, the hollow cavity arranged in the bottom of main body and the opening part at described hollow cavity are installed, wherein, described hollow cavity is connected with described hollow sleeve.
According to another embodiment of the invention, the lifting tray that described lifting delivery unit comprises foundation, embeds the lifting shaft of described foundation and be arranged on described lifting shaft, by the lifting action of described lifting shaft, described printed circuit board is pushed or picks out described tool by described lifting tray.
According to another embodiment of the invention, this automatic conveyor also comprises the direction relative to feed unit and is adjacent to the output unit of described lifting delivery unit setting.
Present invention also offers a kind of circuit assembly system, comprise automatic conveyor as above, and be located at the tin soldering machine sent in cycles described in automatic conveyor side near unit.
In an embodiment provided by the invention, this circuit assembly system also comprises two-orbit structure, described two-orbit structure comprises two identical cover automatic conveyors, and described tin soldering machine welded being transferred to the structural printed circuit board of described two-orbit in the different time periods.
Present invention offers following beneficial effect:
(1) achieve printed circuit board from after plug-in unit to the fully-automatic production of having welded, save a large amount of human resources, improve the production efficiency of product, it also avoid the adverse effect that dependent manual operation causes product simultaneously; In addition, achieve the automatic loading and unloading of the tool that welding process uses, reversion, transmission, that avoids human factor to cause is bad.
(2) by installing the tool with ad hoc structure at automatic conveyor, achieve the welding using same tool to realize the various pcb boards within the scope of certain size, save a large amount of cost producing tool; In addition, product quality is not affected by factors such as tool wearing and tearing, precision, improves the quality of products.
(3) utilize the automatic conveyor of two-orbit, achieve the high efficiency utilization of tin soldering machine, greatly enhance productivity.
Other features and advantages of the present invention will be set forth in the following description, and partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the structural representation according to automatic conveyor of the present invention;
Fig. 2 is the structural representation of the tool be arranged in automatic conveyor according to an embodiment of the invention;
Fig. 3 (a) is the structure chart of thimble in tool according to an embodiment of the invention and hollow sleeve;
Fig. 3 (b) is the enlarged drawing that the hollow sleeve according to Fig. 3 (a) closes up;
Fig. 4 is the planar structure schematic diagram of tool according to another embodiment of the invention;
Fig. 5 is the schematic perspective view after having clamped pcb board in tool according to an embodiment of the invention;
Fig. 6 is the floor map after having clamped pcb board in tool according to an embodiment of the invention;
Fig. 7 is the schematic diagram of the locking mechanism in tool according to an embodiment of the invention;
Fig. 8 is the schematic perspective view of the tool provided according to another embodiment of the invention;
Fig. 9 is the floor map of the tool provided according to another embodiment of the invention;
Figure 10 is the schematic perspective view after having clamped pcb board in tool according to another embodiment of the invention;
Figure 11 is the floor map after having clamped pcb board in tool according to another embodiment of the invention;
Figure 12 is the structural representation of the automatic conveyor according to circuit assembly system of the present invention;
Figure 13 A represents that the feed unit of automatic conveyor transmits the schematic diagram of printed circuit board;
Figure 13 B represents that the lifting delivery unit of automatic conveyor pushes the schematic diagram of printed circuit board;
Figure 13 C represents that the cycling element reversion of automatic conveyor is mounted with the schematic diagram of the tool of printed circuit board;
Figure 13 D represents the schematic diagram of the tool release printed circuit board of automatic conveyor;
Figure 13 E represents that the output unit of automatic conveyor transmits the schematic diagram of printed circuit board;
Figure 14 is two-orbit structural representation according to an embodiment of the invention;
Figure 15 is the structural representation of automatic conveyor cyclic transfer unit in circuit assembly system;
Figure 16 is the end view of automatic conveyor cyclic transfer unit in circuit assembly system;
Figure 17 A is the schematic diagram of the feed unit transmission printed circuit board of automatic conveyor;
Figure 17 B is the schematic diagram of the lifting delivery unit propelling movement printed circuit board of automatic conveyor;
Figure 17 C is the schematic diagram that the cyclic transfer unit of automatic conveyor is loaded with the tool of printed circuit board;
Figure 17 D is the schematic diagram of the tool release printed circuit board of automatic conveyor;
Schematic diagram when Figure 18 is working continuously of automatic conveyor;
Figure 19 is the two-orbit structural representation of another embodiment of the present invention.
Embodiment
Describe embodiments of the present invention in detail below with reference to accompanying drawing, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each feature in various embodiments of the present invention and each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
Below with reference to accompanying drawing, automatic conveyor is described and comprises the circuit assembly system of this automatic conveyor.
As shown in Figure 1, be the structural representation of automatic conveyor according to the present invention.The tool 100 that automatic conveyor in this circuit assembly system comprises feed unit 201, is close to the lifting delivery unit 202 of feed unit 201 end, is positioned at the cyclic transfer unit 203 above lifting delivery unit 202 and is fixed on cyclic transfer unit 203.
By feed unit 201, automatic conveyor sends the pcb board being plugged electronic devices and components into system.By lifting delivery unit 202, both pcb board to be welded can be elected in tool 100, and also after welding has been completed, the pcb board of release from tool 100 can be received.Cyclic transfer unit 203 can realize reversion and the transmission action of the pcb board loading tool 100, to ensure that pcb board to be welded is in state that can be soldered.
Preferably, the automatic conveyor in this circuit assembly system also comprises the output unit 204 being adjacent to the setting of lifting delivery unit 202 relative to the direction of feed unit 201.After the welding completing pcb board, output unit 204 outputs to the pcb board completing welding on station next to be done.
In an automatic conveyor embodiment, the tool 100 be fixed on cyclic transfer unit 203 is the device for fixing printed circuit board and plug-in unit electronic devices and components thereon when welding printed circuit board.
Preferably, tool 100 in automatic conveyor comprises with the main body 101 in recess space, the guiding piece 102 be arranged in the recess space of main body 101, is plugged into the thimble 103 in this guiding piece 102 and is installed on the locking mechanism 104 for fixing thimble 103 and pcb board to be welded in main body 101, and its structure as shown in Figure 2.
Preferably, in the recess space of the main body 101 of tool 100, hollow sleeve 102a has been installed, each hollow sleeve 102a has all been inserted with thimble 103, each root thimble 103 all perpendicular to main body 101 bottom surface and vertical direction can be prolonged move.This large amount of thimble 103 is for fixing pcb board and electronic devices and components mounted thereto.In practical operation, tool 100 is from top to bottom buckled in and has been plugged on the pcb board of parts, and now, thimble 103 is affected by gravity nature and falls and contact with electronic devices and components with pcb board.After thimble 103 contacts pcb board and electronic devices and components, utilize position and the pcb board of the locked whole thimble 103 of locking mechanism 104 that tool 100 is installed.So far, pcb board and electronic devices and components mounted thereto are all fixed in place, and now, will be mounted with the tool 100 of pcb board by after 180 degree of reversions, fixing thimble 103 can support electronic devices and components, now just can start scolding tin action.
In actual applications, thimble 103 and hollow sleeve 102a can regard as integrally, and Fig. 3 (a) shows thimble 103 according to an embodiment of the invention and hollow sleeve 102a regards internal structure integrally as.Hollow sleeve 102a as Suo Shi Fig. 3 (a), its diameter is greater than the diameter of thimble 103, so that hold thimble 103 in whole or in part, thus thimble 103 bushing type is connected on hollow sleeve 102a.Wherein, for making not to be separated with hollow sleeve 102a in the freely up and down movable process of thimble 103, the end periphery being inserted into described guiding piece at thimble 103 is provided with boss 103a, and is provided with closing in 102d at hollow sleeve 102a top.The diameter of closing in 102d is less than the diameter that thimble contains one end of boss 103a.Fig. 3 (b) is the enlarged drawing of closing in 102d on hollow sleeve 102a.Boss can be continuously or intermittently, its width is roughly the same with the width of closing in 102d.In one embodiment of the invention, the width of boss and closing in 102d is about 0.25mm.Hollow sleeve can be formed from steel, but the present invention is not limited thereto, and it can have the material of certain degree of hardness to make by any.
Preferably, the end of stretching out one end of guiding piece in thimble 103 is circular arc end face.The end of stretching out one end of guiding piece of thimble 103 is set to circular arc end face, this circular arc end face and printed circuit board to be welded is made to be point cantact, not only ensure its can coordinate with locking mechanism 104 realize to pcb board and on being fixedly clamped of electronic devices and components, and be unlikely to damage electronic devices and components.
In one embodiment, a large amount of thimble 103 criss-cross arrangement in this tool 100.Utilize a large amount of thimbles 103, a large amount of electronic devices and components on electronic circuit board can be fixed, this tool 100 can be applied in the welding process of the pcb board with varying number electronic devices and components.
As shown in Figure 4, which show the plane structure chart of the tool 100 of an alternative embodiment of the invention.In this embodiment, main body 101 both sides of tool 100 secure the clamping device 104a as locking mechanism 104 part.Clamping device 104a is used for fixing pcb board to be welded.When using this tool 100, open the retained part of clamping device 104a.Be placed on upward on thimble by the solder side of pcb board to be welded, closed retained part, makes pcb board periphery and tool main body 101 close contact subsequently.It is noted herein that, the height of tool main body 101 usually will lower than or the height that is equivalent to when thimble hangs naturally.Clamp the schematic diagram of the tool of pcb board respectively as illustrated in Figures 5 and 6.Guiding piece in Fig. 5 and Fig. 6 is hollow sleeve 102a.
On the other hand, for making thimble 103 and pcb board and components and parts close contact thereof further, the hollow cavity 104b that the bottom that locking mechanism 104 is also included in tool main body 101 is arranged and the valve 104c installed at the opening part of hollow cavity 104b, as shown in Figure 7.Valve 104c can be electromagnetically operated valve, and Compressed Gas is filled with cavity for controlling by it.Hollow cavity 104b is connected with hollow sleeve.Compressed Gas enters into hollow sleeve 102a by hollow cavity 104b, thus produces pressure to the bottom of thimble 103, thus coordinates with clamping device 104a the effect played and support retaining element.
On the basis of above-described embodiment, in an alternative embodiment of the invention, tool 100 in automatic conveyor can also comprise imports and exports pipeline 105, this import and export pipeline 105 one end connects the opening of hollow cavity, with to transporting compressed gas body in hollow cavity, on the electronic devices and components that thimble 103 is pushed up on a printed circuit board, the other end of import and export pipeline 105 can connect the device for providing Compressed Gas, in actual application, import and export pipeline 105 can be any can the tubular structure of transporting compressed gas body, do not limit at this, can see Fig. 7.
To sum up, the tool 100 in automatic conveyor can not only be used for the welding of dissimilar pcb board, and is applicable to have the welding of a large amount of electronic devices and components or electronic devices and components quantity pcb board not etc.
The tool 100 used in the circuit assembly system that another embodiment of the present invention provides, it comprises the main body 101 with recess space, the base of main body 101 is provided with hollow cavity 104b (not shown), the recess spatial placement of main body 101 has multi-through hole parts 102b and placed on it and be provided with the plate 102c in the hole corresponding with multi-through hole parts 102b, and thimble 103 can be inserted in the hole of multi-through hole parts 102b.When using this tool 100, multi-through hole parts 102b is positioned in main body 101, above multi-through hole parts 102b, fixes a plate 102c.The aperture in the hole on plate 102c is less than the diameter that described thimble contains one end of described boss 103a, and what so just can limit thimble 103 skids off multi-through hole parts 102b.Preferably, this plate 102c is steel plate, and the main body 101 of tool is also provided with the locking device 104 for fixing thimble 103 and printed circuit board to be welded.The stereogram of the tool that Fig. 8 provides for the embodiment of the present invention, Fig. 9 is the end view of Fig. 8.
Figure 10 is the perspective view that tool 100 that the embodiment of the present invention provides has clamped after pcb board.As shown in Figure 10, the clamping device 104a in locking mechanism 104 can be that one end A fixes, and other end B is removable, to realize the pcb board clamping different size.In specific implementation process, the two ends of clamping device 104a all can also be arranged to movably, not limit at this.After clamping device 104a fixes PCB, then can pour Compressed Gas by the opening of hollow cavity 104b in this cavity, Compressed Gas directly acts on the bottom of thimble 103 by multi-through hole parts 102b, makes thimble hold out against the electronic devices and components of pcb board.Figure 11 be clamp pcb board after the end view of tool 100.
In understandable scope, the part-structure in the present invention in each embodiment can add in other embodiments, realizes same function, brings same effect.
In one embodiment, in this automatic conveyor, the main body 101 of tool can select cuboid.In order to realize to pcb board and on electronic devices and components fixing, this tool also can be made cuboid.But the shape of the main body 101 of tool of the present invention can be any shape, and the shape of main body 101 can not be understood to limitation of the present invention, and the arbitrary shape of main body 101 is all within protection scope of the present invention.Preferably, the size of this tool can be used for supporting the pcb board of certain size scope and electronic devices and components mounted thereto.
To sum up, according to the present embodiment, the tool with above-mentioned ad hoc structure is installed by the automatic conveyor in this circuit assembly system, make this automatic conveyor can not only be used to the welding of dissimilar pcb board, and be applicable to have the welding of a large amount of electronic devices and components or electronic devices and components quantity and type pcb board not etc.
As shown in figure 12, for including the structural representation of the circuit assembly system of automatic conveyor.The circuit assembly system including automatic conveyor comprise feed unit 201, contiguous feed unit 201 end lifting delivery unit 202, be positioned at the cyclic transfer unit 203 above lifting delivery unit 202, the tool 100 be fixed on cyclic transfer unit 203, transmit printed circuit board weld output unit 204 and be located at automatic conveyor side, send tin soldering machine 205 near unit 203 in cycles.
Figure 13 A to Figure 13 E show pcb board from after plug-in unit to the course of work comprising the circuit assembly system of above-mentioned automatic conveyor completing welding.
As shown in FIG. 13A, for the feed unit 201 of automatic conveyor in circuit assembly system transmits the schematic diagram of printed circuit board.Automatic conveyor is sent to lifting delivery unit 202 by feed unit 201 the printed circuit board being plugged electronic devices and components.Be beneficial to later use cyclic transfer unit 203 carry out transmitting and use tin soldering machine 205 to weld.Preferably, feed unit 201 can select conveyer belt.
As shown in Figure 13 B, for the lifting delivery unit 202 of automatic conveyor in circuit assembly system pushes the schematic diagram of printed circuit board.When feed unit 201 is sent to lifting delivery unit 202 the printed circuit board be plugged, lifting delivery unit 202 pushes tool 100 the printed circuit board that plug-in unit is good, the locked and fixing printed circuit board of tool 100.Be beneficial to later use cyclic transfer unit 203 carry out transmitting and use tin soldering machine 205 to weld.
In one embodiment, be elevated delivery unit 202 and comprise foundation, the lifting shaft embedding foundation and the lifting tray be arranged on lifting shaft.When on the lifting tray that feed unit 201 is sent to printed circuit board to be welded lifting delivery unit 202, lifting shaft is elected lifting tray and is risen printed circuit board is pushed tool.When after the welding completing printed circuit board, lifting shaft elects lifting tray again, is received in its lifting tray by the printed circuit board completing welding.Lifting delivery unit 202 in the various embodiments of the invention all has transmitting function, concrete, can be provided with conveyer belt on lifting delivery unit 202.
As shown in fig. 13 c, for the cyclic transfer unit 203 of automatic conveyor in circuit assembly system reverses the schematic diagram of printed circuit board and tool.After printed circuit board to be welded is pushed tool 100 by lifting delivery unit 202, cyclic transfer unit 203 will be mounted with the anti-turnback of tool 100 of printed circuit board to be welded by shuttling movement, now, tin soldering machine 205 can complete the welding operation to printed circuit board.
As illustrated in figure 13d, for the tool 100 of automatic conveyor in circuit assembly system discharges the schematic diagram of printed circuit board.After tin soldering machine 205 completes the welding of printed circuit board, the printed circuit board welded is sent to lifting delivery unit 202 place by shuttling movement by cyclic transfer unit 203, now, tool 100 discharges printed circuit board, and printed circuit board picks out by the lifting tray of lifting delivery unit 202.Along with printed circuit board is delivered to output unit by the conveyer belt on lifting delivery unit 202.
As shown in figure 13e, for the output unit 204 of automatic conveyor in circuit assembly system transmits the schematic diagram of printed circuit board.After completing the operation corresponding to each figure above, namely complete the welding of the printed circuit board of each electronic devices and components of plug-in unit, now utilize automatic conveyor output unit 204 printed circuit board completing welding is outputted to next station to carry out next step operation of printed circuit board.Preferably, output unit 204 can select conveyer belt.
By each operating process above, achieve printed circuit board from after plug-in unit to the fully-automatic production of process completing welding, save a large amount of manpowers, simultaneously, it also avoid the harmful effect that human factor causes product, improve quality and the efficiency of Product jointing.In addition, utilize full-automatic conveyer, achieve the automatic loading and unloading of the tool that welding process uses, reversion, transmission, that avoids human factor to cause is bad, improves automaticity.
In one embodiment, circuit assembly system comprises two-orbit structure, namely comprises two identical cover automatic conveyors, as shown in figure 14.By two-orbit structure, can allow corresponding 2 stations of tin soldering machine, while tin soldering machine 205 is processed the pcb board on a track A, another track B completes the process of clamping and transmission.Track A and track B alternate-running, can ensure the continuous firing of tin soldering machine, improve the utilance of tin soldering machine, greatly enhance productivity.
Below, will be described further electronics automatic conveyor of the present invention in conjunction with another kind of execution mode.In the present embodiment, the below that unit 203 is positioned at tin soldering machine 205 is sent in cycles.Now, be fixed on cyclic transfer unit 203 on tool part and above-described embodiment different.In the present embodiment, tool part is made up of two tools 100, and there is rotation axis centre.Wherein, two tools can rotate along rotation axis, and other parts can see the description in above-described embodiment.Figure 15 is automatic conveyor structural representation, and Figure 16 is the end view of the automatic conveyor shown in Figure 15.
Figure 17 A to Figure 17 D show pcb board from after plug-in unit to the course of work comprising the circuit assembly system of above-mentioned automatic conveyor completing welding.Different unlike the cyclic transfer cellular construction adopted from Figure 13 A to Figure 13 E.
As shown in Figure 17 A, for the pcb board being plugged part is delivered to lifting delivery unit 202 by feed unit 201 i.e. entrance conveyor, in the present embodiment, lifting delivery unit 202 is hoistable platform.
Figure 17 B is that pcb board is transported on hoistable platform, and pcb board is pushed tool 100 by hoistable platform, and is fixed on tool 100, and utilizes the locking mechanism locking tool on tool 100.
As shown in Figure 17 C, after tool 100 is revolved turnback by the characteristic utilizing tool 100 can rotate along rotation axis, pcb board rotates the below to tin soldering machine 205.Now, utilize tin soldering machine 205 to carry out welding action, tin soldering machine 205 can be the tin soldering machine comprising location calibration function.
As shown in figure 17d, after welding job completes, tool 100 revolves turnback again, and lifting platform rises and picks out manufactured pcb board.Then, output unit 204 is utilized to be sent by pcb board.In the present embodiment, output unit 204 can be exit conveyor.
In actual application, in order to improve the operating efficiency of tin soldering machine, while weld job, the pcb board processed on tool 100 picks out by lifting delivery unit 202, and sent by output unit 204, and input unit 201 is used to be sent into by unprocessed pcb board.Now, tin soldering machine 205 will proceed welding job, after weld job completes, cyclic transfer unit 203 can also be utilized to be overturn by tool 100, continue welding, as shown in figure 18.
Below in conjunction with Figure 18 and Figure 19, the process of automatic conveyor continuous operation is described.Printed circuit board to be welded is delivered to lifting delivery unit 202 by input unit 201, lifting delivery unit 202 is provided with conveyer 400, this lifting delivery unit 202 can realize printed circuit board to push after tool 100 and tin soldering machine 205 complete welding and be picked out from tool 100, the printed circuit board picked out can also be sent to output unit 204.In specific implementation process, the conveyer 400 that input unit 201, lifting delivery unit 202 are arranged and output unit 204, it can be conveyer belt, this conveyer belt can be the conveyer belt of integral type, it can also be the conveyer belt of subsection setup, the conveyer 400 that the output unit 201 provided in Figure 18 and Figure 19, lifting delivery unit 202 are arranged and the conveyer belt of output unit 204 are subsection setups, are more convenient for like this time controlling printed circuit board input, export.
Preferably, above-mentioned automatic conveyor can also be set to double track structure, realize working continuously of tin soldering machine.If employing double track structure, then while carrying out scolding tin operation on a track C, another track D can carry out handling pcb board or rotary movement.For the monorail operation shown in Figure 18, the stand-by period of tin soldering machine obviously shortens relative to single track operation, after one block of pcb board scolding tin completes, can carry out scolding tin operation immediately to the pcb board on another track.Therefore, the continuous firing of tin soldering machine can be realized, further increase operating efficiency.
Although the execution mode disclosed by the present invention is as above, the execution mode that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. the automatic conveyor in a circuit assembly system, it is characterized in that, comprise feed unit (201), the lifting delivery unit (202) of contiguous described feed unit (201) end, the cyclic transfer unit (203) being positioned at described lifting delivery unit (202) top and the tool (100) be fixed on described cyclic transfer unit (203), when described feed unit (201) by printed circuit board, go up by the lifting delivery unit (202) be sent to below described cyclic transfer unit (203), described lifting delivery unit (202) is risen, described printed circuit board is aimed at and is fixed on described tool (100), by the shuttling movement of described cyclic transfer unit (203), described tool (100) is inverted to the top of described cyclic transfer unit (203) so that carry out welding operation.
2. automatic conveyor as claimed in claim 1, it is characterized in that, described in the tool (100) be fixed on described cyclic transfer unit (203) comprise with the main body (101) in recess space, the guiding piece (102) be located in the recess space of described main body (101), be plugged into the thimble (103) in described guiding piece (102) and be installed on the locking mechanism (104) for fixing described thimble (103) and printed circuit board to be welded in described main body (101).
3. automatic conveyor as claimed in claim 2, is characterized in that, the end periphery that described thimble (103) is inserted into described guiding piece is provided with interrupted or continuous print boss (103a).
4. automatic conveyor as claimed in claim 3, it is characterized in that, described guiding piece (102) is hollow sleeve (102a), the top of described hollow sleeve (102a) is provided with closing in (102d), the diameter of described closing in (102d) is less than the diameter that described thimble contains one end of described boss (103a), skids off described hollow sleeve (102a) to limit described thimble (103).
5. automatic conveyor as claimed in claim 3, it is characterized in that, described guiding piece (102) is multi-through hole parts (102b) and placed on it and be provided with the plate (102c) in the hole corresponding with multi-through hole parts (102b), the aperture in the hole on wherein said plate (102c) is less than the diameter that described thimble contains one end of described boss (103a), skids off described multi-through hole parts (102b) to limit described thimble (103).
6. automatic conveyor as claimed in claim 4, it is characterized in that, described locking mechanism (104) comprises the clamping device (104a) be fixed in main body (101), the hollow cavity (104b) arranged in the bottom of main body (101) and the valve (104c) for controlling Compressed Gas to be filled with described cavity installed at the opening part of described hollow cavity (104b), wherein, described hollow cavity (104b) is connected with described hollow sleeve (102a).
7. the automatic conveyor according to any one of claim 1-6, it is characterized in that, the lifting tray that described lifting delivery unit (202) comprises foundation, embeds the lifting shaft of described foundation and be arranged on described lifting shaft, by the lifting action of described lifting shaft, described printed circuit board is pushed or picks out described tool (100) by described lifting tray.
8. automatic conveyor as claimed in claim 1, is characterized in that, also comprises the direction relative to feed unit (201) and is adjacent to the output unit (204) that described lifting delivery unit (202) arranges.
9. a circuit assembly system, is characterized in that, comprises the automatic conveyor according to any one of claim 1-8, and is located at the tin soldering machine (205) near automatic conveyor side, described cyclic transfer unit (203).
10. circuit assembly system as claimed in claim 9, it is characterized in that, also comprise two-orbit structure, described two-orbit structure comprises two identical cover automatic conveyors, and described tin soldering machine (205) welded being transferred to the structural printed circuit board of described two-orbit in the different time periods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228697.3A CN103338598B (en) | 2013-06-08 | 2013-06-08 | A kind of automatic conveyor and circuit assembly system |
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| CN201310228697.3A CN103338598B (en) | 2013-06-08 | 2013-06-08 | A kind of automatic conveyor and circuit assembly system |
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| CN103338598A CN103338598A (en) | 2013-10-02 |
| CN103338598B true CN103338598B (en) | 2016-01-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413079A (en) * | 2001-10-16 | 2003-04-23 | 松下电器产业株式会社 | Moving belt transveyer and electronic parts mounting device and electric parts transporting method |
| CN101189705A (en) * | 2005-08-16 | 2008-05-28 | 松下电器产业株式会社 | Chip reversing device and chip reversing method, and chip mounting apparatus and chip mounting method |
| CN203423855U (en) * | 2013-06-08 | 2014-02-05 | 湖南众信电子科技有限公司 | Automatic conveying device and electronic installation system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09260794A (en) * | 1996-03-19 | 1997-10-03 | Tokin Corp | Electronic circuit board |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413079A (en) * | 2001-10-16 | 2003-04-23 | 松下电器产业株式会社 | Moving belt transveyer and electronic parts mounting device and electric parts transporting method |
| CN101189705A (en) * | 2005-08-16 | 2008-05-28 | 松下电器产业株式会社 | Chip reversing device and chip reversing method, and chip mounting apparatus and chip mounting method |
| CN203423855U (en) * | 2013-06-08 | 2014-02-05 | 湖南众信电子科技有限公司 | Automatic conveying device and electronic installation system |
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| CN103338598A (en) | 2013-10-02 |
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