CN205551741U - Nozzle dish and backflow welder - Google Patents
Nozzle dish and backflow welder Download PDFInfo
- Publication number
- CN205551741U CN205551741U CN201620310080.5U CN201620310080U CN205551741U CN 205551741 U CN205551741 U CN 205551741U CN 201620310080 U CN201620310080 U CN 201620310080U CN 205551741 U CN205551741 U CN 205551741U
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- CN
- China
- Prior art keywords
- spray nozzle
- nozzle plate
- nozzle
- framework
- millimeters
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model provides a nozzle dish and backflow welder, the nozzle dish includes the framework, and the framework is provided with the multiunit through -hole, and wherein, the nozzle dish still includes the multiunit injector set, and each group's injector set correspondence is installed in a set of through -hole, and each group's injector set includes a plurality of nozzles. And install the backflow welder of this nozzle dish. This nozzle dish and install that the backflow welder of this nozzle dish is effectual to have solved in the past that the flat dish of blowing makes the problem that blows off hot -blast dispersion because framework orifice plate thickness is not enough has improved the processingquality of machining precision and product simultaneously.
Description
Technical field
This utility model relates to tin-soldering device field, particularly relates to a kind of spray nozzle plate and is provided with the reflow machine of this spray nozzle plate.
Background technology
SMT, i.e. surface installation technique (surface mounting technology), it is a kind of technology universal in current Electronic Assemblies industry and technique, generally realize pcb board is carried out welding processing by the equipment such as continuous tunnel furnace, reflow machine, such as, the element on various boards used in computer is all welded on wiring board by this technique, there is a heater circuit inside of this equipment, air or nitrogen are heated to sufficiently high temperature after-blow to having posted the wiring board of element, allow the solder of elements on either side bond with mainboard after melting.
Reflow Soldering is also known as " reflow welding ", its equipment used is referred to as " Re-current welder " or " reflow ovens " (Reflow Oven), reflow soldering process is by providing a kind of heating environment, makes solder(ing) paste be heated the equipment melted thus allow Surface Mount Component and PCB pad reliably be combined by solder(ing) paste alloy.Conventional backflow welding machine mainly includes preheating zone, weld zone, cooling zone and PCB induction system, and usual reflow machine is divided into dry section, preheating zone, weld zone and cooling zone etc., and weld zone typically uses air blow pan that pcb board is carried out welding processing.On market, the general air blow pan used is all flat air blow pan, although flat air blow pan simple in construction, but the porous plate being because on air blow pan is the thickest, the hot blast produced by boasting easily disperses, when making to process the high product of those required precisions, the quality processed often is unable to reach use standard so that product cannot meet use requirement.
Summary of the invention
First purpose of the present utility model is to provide the spray nozzle plate that a kind of the most even machining accuracy of drying is high.
Second purpose of the present utility model is to provide the reflow machine that a kind of the most even machining accuracy of drying is high.
In order to realize the first purpose of the present utility model, this utility model provides a kind of spray nozzle plate, including framework, framework is provided with organizes through hole more, and wherein, spray nozzle plate also includes organizing nozzle sets more, each group of nozzle sets correspondence is arranged in one group of through hole, and each group of nozzle sets includes multiple nozzle.
Therefore, arranging nozzle on spray nozzle plate, nozzle has certain length so that more uniform from the hot blast of nozzle blowout, solve conventional flat air blow pan and make the scattered problem of blowout hot blast due to framework orifice plate thickness low LCL, improve the crudy of machining accuracy and product simultaneously.
Further scheme is, the nozzle misalignment layout that two adjacent groups nozzle sets is corresponding.
Further scheme is, the first side of framework is provided with stopper slot.
Further scheme is, a diameter of 3 millimeters to 7 millimeters of nozzle.
Further scheme is, a length of 12 millimeters to 16 millimeters of nozzle.
Further scheme is, a diameter of 4 millimeters of spray nozzle plate.
Further scheme is, a length of 14 millimeters of nozzle.
Further scheme is, spray nozzle plate also includes that handle, handle are installed on the second side of the described framework relative with described first side.
Further scheme is that nozzle is made of copper.
Therefore, the nozzle of two adjacent groups nozzle sets is staggeredly arranged, ensure that the hot blast of adjacent nozzle blowout will not interfere, more accurately each pad on pcb board is welded, stopper slot is set so that spray nozzle plate is preferably connected and spacing with the upper furnace of reflow machine, handle is installed and conveniently spray nozzle plate is replaced and clears up.
In order to realize the second purpose of the present utility model, this utility model provides a kind of reflow machine, including guide rail, spray nozzle plate, upper furnace and the lower hearth being connected with upper furnace, inner chamber is formed between upper furnace and lower hearth, guide rail is arranged in the lumen, spray nozzle plate includes framework, framework is provided with organizes through hole more, spray nozzle plate is positioned at the top of guide rail, and spray nozzle plate is arranged on the weld zone of reflow machine, wherein, spray nozzle plate also includes organizing nozzle sets more, each group of nozzle sets correspondence is arranged in one group of through hole, and each group of nozzle sets includes multiple nozzle.
Therefore, the reflow machine of spray nozzle plate is installed, when effectively solving the blowing of conventional flat air blow pan, the scattered problem of hot blast, and improve crudy and the machining accuracy of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model reflow machine.
Fig. 2 is the installation site schematic diagram of the spray nozzle plate of this utility model reflow machine.
Fig. 3 is the structure chart of the spray nozzle plate of this utility model reflow machine.
Fig. 4 is the structure chart under another visual angle of the spray nozzle plate of this utility model reflow machine.
Fig. 5 is the enlarged drawing in Fig. 2 at A.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Being the structural representation of this utility model reflow machine with reference to Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is the installation site schematic diagram of the spray nozzle plate of this utility model reflow machine.Reflow machine 1 includes guide rail 11, spray nozzle plate 2, upper furnace 12 and the lower hearth 13 being connected with upper furnace 12, forms cavity 14 between upper furnace 12 and lower hearth 13, and guide rail 11 is arranged in cavity 14.Reflow machine 1 includes dry section, preheating zone, weld zone and cooling zone, and guide rail 11 is for transmitting processed pcb board 15, and passes sequentially through the dry section of reflow machine 1, preheating zone, weld zone and cooling zone in X direction and be processed.
Being the structure chart of the spray nozzle plate of this utility model reflow machine with reference to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is the structure chart under another visual angle of the spray nozzle plate of this utility model reflow machine.In conjunction with Fig. 2, spray nozzle plate 2 is arranged on the upper furnace 12 of reflow machine 1 and is positioned at the top of guide rail 11, and spray nozzle plate 2 is arranged on weld zone, for welding processed pcb board 15.
Spray nozzle plate 2 includes framework 21, many group nozzle sets 22 and handle 23, being provided with in framework 21 and organize through hole more, each group of nozzle sets 22 correspondence is arranged in one group of through hole, and each group of nozzle sets 22 includes multiple nozzle 221, one nozzle 22 is fixed and is fitted in a through hole, and nozzle 22 is made of copper.The nozzle 221 of two groups of adjacent nozzle sets 22 correspondences is staggeredly arranged, as shown in Figure 5, on the width of spray nozzle plate, the corresponding nozzle 221 of two groups of adjacent nozzle sets 22 is not on identical horizontal line, the hot blast effectively avoiding adjacent two nozzles 221 blowout forms interference, and then the welding quality that impact is to pcb board 15, the nozzle 221 of two groups of the most adjacent nozzle sets 22 is staggeredly arranged so that welding each pad on pcb board more accurately.
The side 211 of framework 21 is provided with stopper slot 24, and stopper slot 24, for coordinating with the stopper slot on upper furnace 12, plays and installs and spacing effect.Spray nozzle plate 2 also includes shaking hands 23, and handle 23 is arranged on the side 212 relative with side 211 of framework 21, and spray nozzle plate 2 can quickly be dismounted by handle 23.
A diameter of 3 millimeters to 6 millimeters of nozzle 221, a length of 12 millimeters to 16 millimeters, specifically, and a diameter of 4 millimeters of nozzle 221, a length of 14 millimeters.The length of nozzle 211 and diameter can do corresponding adjustment according to the body size of concrete reflow machine 1 and processing mode.
From above scheme, spray nozzle plate effectively solves ordinary flat formula air blow pan and causes, owing to the porous plate on air blow pan is thick not, the easy scattered problem of hot blast produced by boasting, can ensure that the hot blast that spray nozzle plate blows out more uniformly, more presses close to each pad of pcb board by the nozzle on spray nozzle plate, make the product quality processed high high with precision, the most effectively prevent the hot blast processing the nozzle blowout of spray nozzle plate in welding process from interfering, improve machining accuracy.
It should be noted that the nozzle mounting means of above-described embodiment is not limited solely to press-fit, such as by welding, other mounting means such as threaded also in protection domain of the present utility model.
Finally it is emphasized that; the foregoing is only preferred embodiment of the present utility model; it is not limited to this utility model; for a person skilled in the art; this utility model can have various change and change; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (10)
1. spray nozzle plate, including framework, described framework is provided with organizes through hole more, it is characterised in that:
Described spray nozzle plate also includes organizing nozzle sets more, and during described in each group, nozzle sets correspondence is arranged on through hole described in a group, nozzle sets described in each group includes multiple nozzle.
Spray nozzle plate the most according to claim 1, it is characterised in that:
The described nozzle misalignment layout that nozzle sets described in two adjacent groups is corresponding.
Spray nozzle plate the most according to claim 1, it is characterised in that:
First side of described framework is provided with stopper slot.
Spray nozzle plate the most according to claim 1, it is characterised in that:
A diameter of 3 millimeters to 7 millimeters of described nozzle.
Spray nozzle plate the most according to claim 1, it is characterised in that:
A length of 12 millimeters to 16 millimeters of described nozzle.
Spray nozzle plate the most according to claim 4, it is characterised in that:
A diameter of 4 millimeters of described spray nozzle plate.
Spray nozzle plate the most according to claim 5, it is characterised in that:
A length of 14 millimeters of described nozzle.
Spray nozzle plate the most according to claim 3, it is characterised in that:
Described spray nozzle plate also includes handle, and described handle is arranged on the second side of the described framework relative with described first side.
9. according to the spray nozzle plate described in any one of claim 1 to 7, it is characterised in that:
Described nozzle is made of copper.
10. reflow machine, including guide rail, spray nozzle plate, upper furnace and the lower hearth being connected with described upper furnace, inner chamber is formed between described upper furnace and described lower hearth, described guide rail is arranged in described inner chamber, described spray nozzle plate includes that framework, described framework are provided with and organizes through hole more, and described spray nozzle plate is positioned at the top of described guide rail, and described spray nozzle plate is arranged on the weld zone of described reflow machine, it is characterised in that:
Described spray nozzle plate also includes organizing nozzle sets more, and during described in each group, nozzle sets correspondence is arranged on through hole described in a group, nozzle sets described in each group includes multiple nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310080.5U CN205551741U (en) | 2016-04-13 | 2016-04-13 | Nozzle dish and backflow welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310080.5U CN205551741U (en) | 2016-04-13 | 2016-04-13 | Nozzle dish and backflow welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205551741U true CN205551741U (en) | 2016-09-07 |
Family
ID=56812049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620310080.5U Expired - Fee Related CN205551741U (en) | 2016-04-13 | 2016-04-13 | Nozzle dish and backflow welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205551741U (en) |
-
2016
- 2016-04-13 CN CN201620310080.5U patent/CN205551741U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180413 |