CN210877991U - Selective welding with easily-replaced welding nozzle - Google Patents
Selective welding with easily-replaced welding nozzle Download PDFInfo
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- CN210877991U CN210877991U CN201921312206.2U CN201921312206U CN210877991U CN 210877991 U CN210877991 U CN 210877991U CN 201921312206 U CN201921312206 U CN 201921312206U CN 210877991 U CN210877991 U CN 210877991U
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Abstract
The utility model discloses a selection of easily changing welding nozzle is welded, which comprises a body, the upper right side of body can be dismantled and be connected with shell, its characterized in that: the inner cavity of the shell is fixedly connected with a lower nozzle, the top end of the lower nozzle is fixedly connected with a magnetic absorption seat, an upper nozzle is inserted into the magnetic absorption seat, the top end of the shell is provided with a mounting groove, a nitrogen heat insulation ring is arranged inside the mounting groove, an external gas guide cover is arranged on the surface of the nitrogen heat insulation ring, and an upper plate of a nitrogen heating tube is fixedly arranged on the top edge of the shell; the utility model discloses, the lower part nozzle uses the screw fastening in the molten tin bath runner, and the upper portion nozzle is fixed to lie in the lower part nozzle, when changing the nozzle, only needs to use the clamp to mention former upper portion nozzle up, later with new upper portion nozzle put into can, the device has overcome in original design the nozzle and can change the operation because of loosening fastening screw and lead to changing the problem of inefficiency.
Description
Technical Field
The utility model relates to a selectivity crest soldering machine technical field specifically is a selection of easily changing welding nozzle welds.
Background
Selective soldering is generally used for supplementing soldering some perforated plug-in components after most of the assembly of a circuit board is completed, and at present, the specifications and the sizes of soldering nozzles used by a selective soldering machine are different due to different PCBs and components on the PCBs, so that corresponding replacement is needed; the existing fixing modes of the nozzle are all fixed by screws, and when the nozzle is disassembled, a nitrogen heating protective cover in the nozzle needs to be removed, and then fastening screws are loosened to carry out replacement operation; in the prior art, the nozzle replacement time is long, the difficulty is brought due to the high temperature of a tin furnace during replacement operation, the number of upper plates needing to be removed and fastened again is large, the production is influenced, and the utilization rate of equipment is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a selection welding which is easy to replace the welding nozzle, which solves the problems that the prior fixing mode of the nozzle proposed in the background technology adopts screw fixation, and the nitrogen heating protective cover is firstly removed when the nozzle is disassembled, and then the replacement operation can be carried out only by loosening the fastening screw; the prior art has the problems that the nozzle replacement time is long, the difficulty is brought by the high temperature of a tin furnace during replacement operation, the number of upper plates needing to be removed and fastened again is large, the production is influenced, and the utilization rate of equipment is reduced.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a selection of easily changing welding nozzle welds, includes the body, the upper right side of body can be dismantled and be connected with shell, its characterized in that: the inner chamber fixedly connected with lower part nozzle of shell, the seat is inhaled to the top fixedly connected with magnetism of lower part nozzle, the inside of inhaling the seat of magnetism is pegged graft and is had the upper portion nozzle, the mounting groove has been seted up on the top of shell, the heat insulating ring of nitrogen gas has been laid to the inside of mounting groove, the outside air guide cover has been laid on the surface of heat insulating ring of nitrogen gas, the top edge fixed mounting of shell has nitrogen gas heating tube upper plate.
Preferably, the lower nozzle is fixedly arranged on a tin bath flow channel in the inner cavity of the shell.
Preferably, the magnetic suction seat is fixedly connected with the upper nozzle through high-temperature magnetic suction.
Preferably, the nitrogen heat insulation ring and the mounting groove do not have a connection mode, and the external air guide cover and the nitrogen heat insulation ring do not have a connection mode.
Preferably, the upper nozzle is positioned at the center of the outer air guide hood, and the top end of the upper nozzle extends 1.5-2cm beyond the top end of the outer air guide hood.
Preferably, the body is connected to the housing by a snap.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, two parts about falling into the nozzle, wherein the lower part nozzle uses the screw fastening in the molten tin bath runner, is equipped with high temperature resistance powerful magnetism in the lower part nozzle and inhales, and the upper portion nozzle is located the lower part nozzle because of this magnetism power, when changing the nozzle, only needs to use the clamp to up mention former upper portion nozzle, later with new upper portion nozzle put into can, the device has overcome in the original design the nozzle and just can change the operation because of loosening fastening screw and lead to changing the problem that inefficiency.
2. The utility model discloses, the lower part nozzle has been designed, the seat is inhaled to the magnetism, the upper portion nozzle, the structure of nitrogen gas heat insulating ring and outside air guide cover, the nozzle is changed the structure more simply, it is convenient, the upper plate that will remove and fasten again when the nozzle is changed still less, make the device nozzle change time short, and the device change operation need not to open interior cavity, the thermal loss of tin stove has been reduced, the risk of being scalded because of changing the nozzle production of operator has been avoided, when this device brings the problem of difficulty because of the high temperature of tin stove when overcoming the change operation, the rate of equipment utilization has been promoted greatly.
Drawings
FIG. 1 is an exploded view of the nozzle structure of the present invention;
FIG. 2 is an external structural view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a schematic view of the installation structure of the lower nozzle, the magnetic suction seat and the upper nozzle of the present invention.
In the figure: 1. a body; 2. a housing; 3. a lower nozzle; 4. a magnetic attraction seat; 5. an upper nozzle; 6. mounting grooves; 7. a nitrogen heat insulation ring; 8. an external air guide hood; 9. a nitrogen heating pipe upper plate; 10. and (5) buckling.
Detailed Description
In order to solve the problems that the existing fixing modes of the nozzle are all fixed by screws, when the nozzle is disassembled, the nitrogen heating protective cover in the nozzle needs to be removed, and then the fastening screws are loosened to carry out replacement operation; the prior art has that the nozzle is changed for a long time, because of the high temperature of tin stove brings the difficulty during the change operation, and it is many that the upper plate that needs to remove and fasten again influences production, has reduced the problem of the rate of utilization of equipment, the embodiment of the utility model provides a selection of easily changing welding nozzle welds. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present embodiment provides a selective welding device with easily replaceable welding nozzle, which includes a body 1, a housing 2 detachably connected to the upper right of the body 1, and is characterized in that: inner chamber fixedly connected with lower part nozzle 3 of shell 2, the seat 4 is inhaled to the top fixedly connected with magnetism of lower part nozzle 3, and the inside of inhaling seat 4 is pegged graft and is had upper portion nozzle 5, and mounting groove 6 has been seted up on the top of shell 2, and nitrogen gas heat insulating ring 7 has been laid to the inside of mounting groove 6, and outside air guide cover 8 has been laid on the surface of nitrogen gas heat insulating ring 7, and the top edge fixed mounting of shell 2 has nitrogen gas heating tube upper plate 9.
Preferably, the inner chamber fixed mounting of shell 2 has the molten tin bath runner, the inside fixed mounting of magnetism seat 4 has high temperature resistant high temperature to inhale magnetism, 3 fixed mounting of lower part nozzle are on the molten tin bath runner of 2 inner chambers of shell, magnetism seat 4 is inhaled through high temperature magnetism and is carried out fixed connection with upper portion nozzle 5, there is not connected mode in nitrogen gas heat insulating ring 7 and mounting groove 6, there is not connected mode in outside air guide cover 8 and nitrogen gas heat insulating ring 7, upper portion nozzle 5 is located the center of outside air guide cover 8, the top of upper portion nozzle 5 stretches out outside air guide cover 8 top 1.5-2cm, body 1 links together through buckle 10 and shell 2.
In the embodiment, the lower nozzle 3 is fastened on the molten tin bath flow channel, the magnetic suction seat 4 is internally provided with a high-temperature magnetic suction, the magnetic suction seat 4 is fastened at the top of the lower nozzle 3, and the lower end of the upper nozzle 5 is placed in the magnetic suction seat 4 and is fixed on the magnetic suction seat 4 through magnetic suction force. When the nozzle is replaced, the external air guide cover 8 is taken out, the nitrogen heat insulation ring 7 is taken out, the upper nozzle 5 is taken out by using a clamp, a new nozzle is installed, the nitrogen heat insulation ring 7 is placed inside the installation groove 6, and finally the external air guide cover 8 is placed on the surface of the nitrogen heat insulation ring 7, so that the nozzle replacement operation is completed, wherein the top end of the upper nozzle 5 extends out of the top end of the external air guide cover 8 by 1.5-2cm, so that the upper nozzle 5 can work conveniently, the device overcomes the technical problems of long nozzle replacement time, low replacement efficiency and difficulty caused by high temperature of a tin furnace in the replacement operation in the original design, the original nozzle replacement time needs 20 minutes at the fastest speed, only 1 minute is needed after the nozzle replacement operation is adopted, the device greatly improves the equipment utilization rate, and the original replacement operation is performed because tin bath containers fixed at the lower part of the nozzle are high-temperature components, the tin furnace has large heat loss, and the operators have the risk of being scalded, and the device overcomes the defects.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a selection of easily changing welding nozzle welds, includes body (1), the upper right side of body (1) can be dismantled and be connected with shell (2), its characterized in that: inner chamber fixedly connected with lower part nozzle (3) of shell (2), seat (4) is inhaled to the top fixedly connected with magnetism of lower part nozzle (3), the inside of seat (4) is inhaled to the magnetism is pegged graft and is had upper portion nozzle (5), mounting groove (6) have been seted up on the top of shell (2), nitrogen gas heat insulating ring (7) have been laid to the inside of mounting groove (6), outside air guide cover (8) have been laid on the surface of nitrogen gas heat insulating ring (7), the top edge fixed mounting of shell (2) has nitrogen gas heating tube upper plate (9).
2. A selective welding with easy replacement of welding nozzles according to claim 1, characterized by: the lower nozzle (3) is fixedly arranged on a tin bath runner in the inner cavity of the shell (2).
3. A selective welding with easy replacement of welding nozzles according to claim 1, characterized by: the magnetic suction seat (4) is fixedly connected with the upper nozzle (5) through high-temperature magnetic suction.
4. A selective welding with easy replacement of welding nozzles according to claim 1, characterized by: and the nitrogen heat insulation ring (7) and the mounting groove (6) do not have a connection mode, and the external air guide cover (8) and the nitrogen heat insulation ring (7) do not have a connection mode.
5. A selective welding with easy replacement of welding nozzles according to claim 1, characterized by: the upper nozzle (5) is positioned in the center of the external air guide hood (8), and the top end of the upper nozzle (5) extends out of the top end of the external air guide hood (8) by 1.5-2 cm.
6. A selective welding with easy replacement of welding nozzles according to claim 1, characterized by: the body (1) is connected with the shell (2) through a buckle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921312206.2U CN210877991U (en) | 2019-08-14 | 2019-08-14 | Selective welding with easily-replaced welding nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921312206.2U CN210877991U (en) | 2019-08-14 | 2019-08-14 | Selective welding with easily-replaced welding nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN210877991U true CN210877991U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921312206.2U Active CN210877991U (en) | 2019-08-14 | 2019-08-14 | Selective welding with easily-replaced welding nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054883A (en) * | 2020-08-04 | 2022-02-18 | 中达电子(江苏)有限公司 | Method for manufacturing selective welding nozzle, selective welding nozzle and selective welding assembly |
-
2019
- 2019-08-14 CN CN201921312206.2U patent/CN210877991U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054883A (en) * | 2020-08-04 | 2022-02-18 | 中达电子(江苏)有限公司 | Method for manufacturing selective welding nozzle, selective welding nozzle and selective welding assembly |
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