CN103338597A - Jig used in electronic assembly system - Google Patents
Jig used in electronic assembly system Download PDFInfo
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- CN103338597A CN103338597A CN2013102274478A CN201310227447A CN103338597A CN 103338597 A CN103338597 A CN 103338597A CN 2013102274478 A CN2013102274478 A CN 2013102274478A CN 201310227447 A CN201310227447 A CN 201310227447A CN 103338597 A CN103338597 A CN 103338597A
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- tool
- thimble
- main body
- guiding piece
- pcb board
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Abstract
The invention discloses a jig used in an electronic assembly system. The jig comprises a main body with a concave space, a guiding part arranged in the concave space of the main body, an ejector pin inserted into the guiding part, and a locking mechanism used for fixing the ejector pin and a to-be-welded printed circuit block. The jig provided by the invention is suitable for welding various PCBs (Printed Circuit Boards) within a certain range of size, saves the jig production cost, is high in utilization ratio, is free from the influence of abrasion, precision and the like, has a long service life, and is convenient to load and unload and lower in overall maintenance and use costs.
Description
Technical field
The present invention relates to the electronic welding field, relate in particular to the tool that uses in a kind of circuit assembly system.
Background technology
The main work flow of electronics manufacturing is surface patch processing-Reflow Soldering-plug-in unit-wave-soldering at present.Surface patch processing is that electronic devices and components are mounted the specified pad locations of pcb board.After electronic devices and components are mounted its corresponding bonding pad, realize between surface-assembled components and parts weldering end or pin and the printed circuit board pad machinery and be electrically connected by Reflow Soldering.And for the element of the patch capacitor behind through-hole mounting element or the solid glue that some are little, resistance and so on, then need behind plug-in unit, according to circumstances select corresponding welding manner.For these class components and parts, can select for use wave-soldering to finish its welding.
The wave-soldering flow process is: element is inserted in the corresponding component hole → the unnecessary plug-in unit pin of pre-coated soldering flux → preheating → wave-soldering → cooling → excision → inspection.Yet, for double sided board, because the element of some has all been installed on its two sides, after it simultaneously uses wave-soldering to finish welding, if another side continues to use wave-soldering, the tin that will cause having finished that face of welding is melted, so for the two-sided pcb board that plug-in unit is all arranged, can't all use wave-soldering to finish welding in the two sides.In addition, for the higher components and parts of some thermal sensitivities (as battery etc.), because the temperature of wave soldering process may cause such electronic devices and components to damage, so wave-soldering is also inapplicable.
At the welding of the above various electronic devices and components that can't realize with wave-soldering, can utilize welding fixture auxiliary and adopt manual type or tin soldering machine to realize welding.Welding fixture is common in electronics industry, extensive use in pcb board welding (as computer main board, video card etc.).Main effect is the location to pcb board, fixing and support with regard to this industry, thereby realizes the welding to element, wiring on the pcb board.
Yet the mode that the tool in the existing circuit assembly system adopts usually is to do corresponding tool at different products, and this just makes each product all need corresponding tool.As shown in Figure 1, tool of the prior art comprises: main body 101 ' and be used for holding the groove 102 ' of each electronic devices and components on the printed circuit board.In order to enhance productivity, each product all needs a large amount of identical tools, therefore needs a large amount of tools, and cost is very high.In addition, because the precision of each tool differs, make the product of producing also deviation can occur, can not guarantee the quality of product.
To sum up, there is following problem in the tool that uses in the existing circuit assembly system: 1, a large amount of different tools of needs are finished the welding of dissimilar pcb boards, and cost is higher; 2, for the production that realizes product of the same race with the multiple identical tool of a product needed, the utilance of tool is not high; Even 3 identical tools because the tool machining accuracy differs, weares and teares, is out of shape the inconsistency that all can cause tool, directly influence production efficiency and quality.
Summary of the invention
The present invention is directed to existing P CB plate welding process and need make the deficiency of dissimilar tools at various pcb board, proposed a kind of tool that can be applied to the welding of plug-in unit components and parts on the multiple pcb board.
Guiding piece in the recess space that tool disclosed by the invention comprises the main body that has the recess space, be located at described main body, be plugged into the thimble in the described guiding piece and be installed on the locking mechanism that is used for fixing described thimble and printed circuit board to be welded on the described main body.
In one embodiment of the invention, the described thimble end periphery that is inserted into described guiding piece is provided with boss.
According to another embodiment of the present invention, described guiding piece is hollow sleeve.
According to another embodiment of the present invention, the top of described hollow sleeve is provided with closing in, and the diameter of described closing in has comprised the diameter of an end of described boss less than described thimble, skids off described hollow sleeve to limit described thimble.
According to another embodiment of the present invention, described guiding piece is multi-through hole parts and placed on it and be provided with the plate in the hole corresponding with the multi-through hole parts, the aperture in the hole on the wherein said plate has comprised the diameter of an end of described boss less than described thimble, skids off described multi-through hole parts to limit described thimble.
According to another embodiment of the present invention, described plate is steel plate.
According to another embodiment of the present invention, the end of stretching out an end of described guiding piece in the described thimble is the circular arc end face.
According to another embodiment of the present invention, described locking mechanism comprises the clamping device that is fixed on the main body.
According to another embodiment of the present invention, described locking mechanism also is included in hollow cavity that the bottom of main body arranges and is used for the valve that control charges into Compressed Gas described cavity what the opening part of described hollow cavity was installed, wherein, described hollow cavity is connected with described hollow sleeve.
According to another embodiment of the present invention, described valve is electromagnetically operated valve.
The present invention has brought following beneficial effect:
(1) tool can be saved the cost of producing tool, the utilance height of tool applicable to the welding of the various pcb boards in the certain size scope;
(2) tool is applicable to the quantity of electronic devices and components and the welding of the different pcb board that distributes, wide application;
(3) be not subjected to the factor affecting such as wearing and tearing, precision of tool, long service life, easy to loading and unloading, totally safeguard and use cost lower.
Other features and advantages of the present invention will be set forth in the following description, and partly become apparent from specification, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in specification, claims and accompanying drawing.
Description of drawings
Fig. 1 is the structural representation of the tool of prior art;
Fig. 2 is the structural representation of tool according to an embodiment of the invention;
Fig. 3 is thimble in the tool according to an embodiment of the invention and the structure chart of hollow sleeve;
Fig. 4 is the floor map of tool according to another embodiment of the invention;
Fig. 5 has clamped the schematic perspective view behind the pcb board in the tool according to an embodiment of the invention;
Fig. 6 has clamped the floor map behind the pcb board in the tool according to an embodiment of the invention;
Fig. 7 is the schematic diagram of the locking mechanism in the tool according to an embodiment of the invention;
Fig. 8 is the schematic perspective view of the tool that provides according to another embodiment of the invention;
Fig. 9 is the floor map of the tool that provides according to another embodiment of the invention;
Figure 10 has clamped the schematic perspective view behind the pcb board in according to another embodiment of the invention the tool;
Figure 11 has clamped the floor map behind the pcb board in according to another embodiment of the invention the tool.
Embodiment
Describe embodiments of the present invention in detail below with reference to accompanying drawing, how the application technology means solve technical problem to the present invention whereby, and the implementation procedure of reaching technique effect can fully understand and implements according to this.Need to prove that only otherwise constitute conflict, each feature among various embodiments of the present invention and each embodiment can mutually combine, formed technical scheme is all within protection scope of the present invention.
At printed circuit board (Printed Circuit Board, abbreviate pcb board as) welding process in, for the welding of plug-in unit element, if can't carry out the condition that wave-soldering or production line do not possess wave-soldering, need to adopt the artificial welding of tradition or tin soldering machine to weld sometimes.For guaranteeing electronic devices and components not change of occurrence positions in welding process, need provide support to guarantee that the position is not moved for electronic devices and components, use corresponding tool to finish this function usually.
As shown in Figure 1, be the structural representation of the tool of the welding process that is used for pcb board of prior art.The tool that is used for welding process of prior art comprises the groove 102 ' of main body 101 ' and the different shape on main body 101 '.In welding process, by electronic devices and components being limited in the support that realizes in the groove electronic devices and components.Yet, being subjected to the restriction of groove size or shape, this tool can only be applied in the welding of pcb board of particular type.Therefore, existing welding fixture can only act at certain products, and service efficiency is not high.
In order to make a kind of tool can finish the welding of polytype pcb board, need a kind of general tool at the welding of plug-in unit components and parts that can be applicable to various pcb boards of invention.
As shown in Figure 2, be the structural representation according to tool of the present invention.Guiding piece 102 in the recess space that tool for the circuit assembly system disclosed by the invention comprises the main body 101 that has the recess space, be arranged on main body 101, be plugged into the thimble 103 in this guiding piece 102 and be installed on the locking mechanism 104 that is used for fixing thimble 103 and pcb board to be welded on the main body 101.
In one embodiment, in the recess space of the main body 101 of tool hollow sleeve 102a has been installed, all has been inserted with thimble 103 on each hollow sleeve 102a, each root thimble 103 all also can prolong vertical direction perpendicular to the bottom surface of main body 101 and move.This a large amount of thimble 103 is used for fixedly pcb board and electronic devices and components mounted thereto.In practical operation, tool from top to bottom is buckled on the pcb board of inserting good parts, and at this moment, thimble 103 is fallen naturally by gravity effect and contacts with electronic devices and components with pcb board.Behind thimble 103 contact pcb boards and electronic devices and components, utilize position and the pcb board of locking mechanism 104 locked whole thimbles 103 of installing on the tool.So far, pcb board and electronic devices and components mounted thereto all are fixed in place, and at this moment, after being mounted with the tool 180 degree counter-rotatings of pcb board, fixing thimble 103 can support electronic devices and components, just can begin the scolding tin action this moment.
In actual applications, thimble 103 and hollow sleeve 102a can regard one as, and Fig. 3 shown that thimble 103 according to an embodiment of the invention and hollow sleeve 102a regard the internal structure of one as.Hollow sleeve 102a as shown in Figure 3, its diameter be greater than the diameter of thimble 103, so that hold thimble 103 in whole or in part, thus make thimble 103 bushing types be connected on the hollow sleeve 102a.Wherein, for not separating with hollow sleeve 102a in the process that makes thimble 103 easy on and off activities, an end periphery that is 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 has comprised the diameter of the end of boss 103a less than thimble.Left part among Fig. 3 is gone up the enlarged drawing of closing in 102d for hollow sleeve 102a.Boss can be for continuous or interrupted, and the width of its width and closing in 102d is roughly the same.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 invention is not restricted to this, and it can have the material of certain degree of hardness to make by any.
Preferably, the end of stretching out an end of guiding piece in the thimble 103 is the circular arc end face.The end of an end that stretches out guiding piece of thimble 103 is set to the circular arc end face, make that this circular arc end face and printed circuit board to be welded are that point contacts, not only guarantee its can cooperate 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 thimbles 103 criss-cross arrangements in this tool.Utilize a large amount of thimble 103, fixing a large amount of electronic devices and components on the electronic circuit board make this tool can be applied to having in the welding process of pcb board of varying number electronic devices and components.
As shown in Figure 4, the floor map that has wherein shown the tool of an alternative embodiment of the invention.In this embodiment, the clamping device 104a as locking mechanism 104 parts has been fixed in main body 101 both sides of tool.Clamping device 104a is used for fixing pcb board to be welded.When using this tool, open the retained part of clamping device 104a.The solder side of pcb board to be welded is placed on the thimble up, and closed retained part makes the pcb board periphery closely contact with the tool main body subsequently.Height when the height that is noted that the tool main body here will be lower than or be equivalent to thimble usually and hangs naturally.The schematic diagram that has clamped the tool of pcb board is distinguished as illustrated in Figures 5 and 6.
On the other hand, closely contact with pcb board and components and parts thereof for further making thimble 103, locking mechanism 104 also is included in the hollow cavity 104b that the bottom of tool main body 101 arranges and the valve 104c that installs at the opening part of hollow cavity 104b, as shown in Figure 7.Valve 104c can be electromagnetically operated valve, and it is used for control Compressed Gas is charged into cavity.Hollow cavity 104b is connected with hollow sleeve.Compressed Gas enters into hollow sleeve 102a by hollow cavity 104b, thereby the bottom of thimble 103 is produced pressure, thereby cooperates the effect of playing the support fixation part with clamping device 104a.
On the basis of above-described embodiment, in another embodiment of the present invention, can also comprise and import and export pipeline 105, this imports and exports the opening that pipeline 105 1 ends connect hollow cavity, with transporting compressed gas body in hollow cavity, thimble is withstood on the electronic devices and components on the printed circuit board, the other end of importing and exporting pipeline 105 can connect be used to the device that Compressed Gas is provided, in actual application, import and export pipeline 105 and can be any tubular structure that can the transporting compressed gas body, do not limit at this, can be referring to Fig. 7.
To sum up, according to the present invention, this tool can not only be used for the welding of dissimilar pcb boards, and is applicable to the welding with pcb board that a large amount of electronic devices and components or electronic devices and components quantity do not wait.
The tool that uses in the circuit assembly system that another embodiment of the present invention provides, it comprises the main body 101 that has the recess space, the base of main body 101 is provided with hollow cavity 104b, the recess space of main body 101 is provided with 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, multi-through hole parts 102b is positioned in the main body 101, at the upper fixed one plate 102c of multi-through hole parts 102b.The aperture in the hole on the plate 102c has comprised the diameter of the end of described boss 103a less than described thimble, and that so just can limit thimble 103 skids off multi-through hole parts 102b.Preferably, this plate 102c is steel plate, and the locking device 104 for fixing thimble 103 and printed circuit board to be welded also is installed on the main body 101 of tool.The stereogram of the tool that Fig. 8 provides for the embodiment of the invention, Fig. 9 is the end view of Fig. 8.
Figure 10 is that the tool that the embodiment of the invention provides has clamped pcb board perspective view afterwards.As shown in figure 10, the clamping device 104a in the locking mechanism 104 can be that an end A fixes, and other end B is removable, to realize clamping the pcb board of different sizes.In the specific implementation process, the two ends of clamping device 104a all can also be arranged to movably, do not limit at this.Clamping device 104a fixes after the PCB, then can be not shown by hollow cavity 104b() opening in this cavity, pour Compressed Gas, Compressed Gas makes thimble hold out against the electronic devices and components of pcb board by the bottom that multi-through hole parts 102b directly acts on thimble 103.Figure 11 is the end view that clamps pcb board tool afterwards.
In understandable scope, the part-structure among the present invention among each embodiment can add among other embodiment, realizes same function, brings same effect.
In one embodiment, the main body 101 of this tool can be selected cuboid.For realize to pcb board and on electronic devices and components fixing, can also make cuboid to this tool.Yet 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 that limitation of the present invention, and the arbitrary shape of main body 101 is all within protection scope of the present invention.
Though the disclosed execution mode of the present invention as above, the execution mode that described content just adopts for the ease of understanding the present invention is not in order to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite that does not break away from the disclosed spirit and scope of the present invention; can do any modification and variation in the details of implementing that reaches in form; but scope of patent protection of the present invention still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. the tool that uses in the circuit assembly system, it is characterized in that, the guiding piece (102) in the recess space that comprise the main body (101) that has the recess space, is located at described main body (101), be plugged into the thimble (103) in the described guiding piece (102) and be installed on described main body (101) and go up the locking mechanism (104) that is used for fixing described thimble (103) and printed circuit board to be welded.
2. tool as claimed in claim 1 is characterized in that, the end periphery that described thimble (103) is inserted into described guiding piece is provided with boss (103a).
3. tool as claimed in claim 2 is characterized in that, described guiding piece is hollow sleeve (102a).
4. tool as claimed in claim 3, it is characterized in that, the top of described hollow sleeve (102a) is provided with closing in (102d), the diameter of described closing in (102d) has comprised the diameter of an end of described boss (103a) less than described thimble, skids off described hollow sleeve (102a) to limit described thimble (103).
5. tool as claimed in claim 2, it is characterized in that, described guiding piece 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 the wherein said plate (102c) has comprised the diameter of an end of described boss (103a) less than described thimble, skids off described multi-through hole parts (102b) to limit described thimble (103).
6. tool as claimed in claim 5 is characterized in that, described plate (102c) is steel plate.
7. as each described tool among the claim 1-6, it is characterized in that the end of stretching out an end of described guiding piece in the described thimble (103) is the circular arc end face.
8. as each described tool among the claim 1-7, it is characterized in that described locking mechanism (104) comprises the clamping device (104a) that is fixed on the main body (101).
9. the tool described in claim 8, it is characterized in that, described locking mechanism (104) also is included in hollow cavity (104b) that the bottom of main body (101) arranges and is used for the valve (104c) that control charges into Compressed Gas described cavity what the opening part of described hollow cavity (104b) was installed, wherein, described hollow cavity (104b) is connected with described hollow sleeve (102a).
10. tool as claimed in claim 9 is characterized in that, described valve (104c) is electromagnetically operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227447.8A CN103338597B (en) | 2013-06-08 | 2013-06-08 | The tool used in a kind of circuit assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227447.8A CN103338597B (en) | 2013-06-08 | 2013-06-08 | The tool used in a kind of circuit assembly system |
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| Publication Number | Publication Date |
|---|---|
| CN103338597A true CN103338597A (en) | 2013-10-02 |
| CN103338597B CN103338597B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310227447.8A Expired - Fee Related CN103338597B (en) | 2013-06-08 | 2013-06-08 | The tool used in a kind of circuit assembly system |
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Cited By (3)
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| CN103801793A (en) * | 2014-03-05 | 2014-05-21 | Tcl奥博（天津）环保发展有限公司 | Horizontal support device capable of automatically adapting to shapes |
| CN103990618A (en) * | 2014-05-30 | 2014-08-20 | 苏州倍辰莱电子科技有限公司 | PCB blowing jig |
| CN112191977A (en) * | 2020-09-11 | 2021-01-08 | 苏州浪潮智能科技有限公司 | Prevent that reflow soldering from falling needle bed formula tool of piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103801793A (en) * | 2014-03-05 | 2014-05-21 | Tcl奥博（天津）环保发展有限公司 | Horizontal support device capable of automatically adapting to shapes |
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| CN112191977A (en) * | 2020-09-11 | 2021-01-08 | 苏州浪潮智能科技有限公司 | Prevent that reflow soldering from falling needle bed formula tool of piece |
| CN112191977B (en) * | 2020-09-11 | 2022-12-02 | 苏州浪潮智能科技有限公司 | Prevent that reflow soldering from falling needle bed formula tool of piece |
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|---|---|
| CN103338597B (en) | 2016-03-30 |
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Effective date of registration: 20160307 Address after: 410205. Hunan, Changsha hi tech Development Zone, Hunan University science and Technology Park project incubator building East first floor, 6, 7 units Applicant after: CHANGSHA KINAL AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 410205 Changsha central power software park headquarters building, 39, pointed mountain road, Changsha hi tech Development Zone, Hunan, A138 Applicant before: HUNAN ZONSON ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160330 |