CN212885570U

CN212885570U - Formic acid reflow soldering fritting furnace and heating device

Info

Publication number: CN212885570U
Application number: CN202020908275.6U
Authority: CN
Inventors: 胡远岗; 罗佐军
Original assignee: Changzhou Changyao Electronic Science And Technology Co ltd
Current assignee: Changzhou Changyao Semiconductor Technology Co.,Ltd.
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-06
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a formic acid reflow soldering fritting furnace and heating device, including the heating device body, the access hole has been seted up on the shell lateral wall of heating device body, the outside activity of access hole articulates there is the access door mechanism, the inboard of access hole is provided with reciprocal linear motion's baffle mechanism, the baffle mechanism includes control knob, movable plate and sets firmly linear guide on the heating device inner wall. The utility model discloses a predominant use provides a simple structure, convenient operation, is convenient for realize maintaining formic acid reflow soldering fritting furnace and heating device to the maintenance of inside spare part, and sealed effect is showing.

Description

Formic acid reflow soldering fritting furnace and heating device

Technical Field

The utility model relates to a reflow soldering fritting furnace especially relates to a formic acid reflow soldering fritting furnace and heating device.

Background

Due to the demand for miniaturization of electronic PCB boards, sheet-like components are present and the conventional soldering method has not been adapted to the demand. At first, the reflow soldering process is only adopted in the assembly of the hybrid integrated circuit board, and most of the components for assembly and soldering are chip capacitors, chip inductors, surface-mounted transistors, diodes and the like. With the development of the whole technology of SMT becoming more and more complete, and the appearance of various chip components (SMCs) and Surface Mount Devices (SMDs), reflow soldering process technologies and devices, which are part of the surface mount technology, have been developed accordingly, and their applications are becoming more and more extensive, and they have been applied almost in all electronic product fields. For example, various components on a board card used in a computer are welded on a circuit board through the process, a heating circuit is arranged in the equipment, air or nitrogen is heated to a high enough temperature and then blown to the circuit board on which the components are stuck, and solder on two sides of the components is melted and then bonded with the main board. The process has the advantages of easy temperature control, no oxidation during welding and easy control of the manufacturing cost.

However, the equipment structure is complex, normal production is affected in order to avoid faults, related technical personnel are required to overhaul and maintain regularly, the equipment shell is required to be dismounted firstly to expose internal parts during overhaul, the equipment shell is installed and reset after overhaul is completed, the operation is complex, the time is wasted, the temperature of the internal parts of the equipment is increased due to the fact that the equipment is high in internal working temperature, the equipment can be overhauled after being stopped for a period of time, when the overhaul needs manual experience, and the accuracy is not high. The traditional equipment structure and the maintenance mode have the advantages of long maintenance time, low efficiency and high labor cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a formic acid reflow soldering fritting furnace and a heating device which have the advantages of simple structure, reasonable design, convenient operation, convenient maintenance and sealing effect and are used for the internal parts.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a heating device, includes the heating device body, the access hole has been seted up on the shell lateral wall of heating device body, the outside activity hinge of access hole has access door mechanism, the inboard of access hole is provided with reciprocating linear motion's baffle mechanism, baffle mechanism includes control knob, movable plate and sets firmly the linear guide on heating device body inner wall, linear guide is located the top and/or the below of access hole and places along the horizontal direction, movable plate sliding connection is on linear guide, control knob locates on the lateral wall of heating device body and makes reciprocating linear motion through rack and pinion's meshing transmission connection control movable plate.

Further, the baffle mechanism further comprises a gear, a rack, a roller assembly and a linkage shaft, wherein the roller assembly is mounted at the top end and/or the bottom end of the movable plate and is in sliding connection with the linear guide rail through the roller assembly, the upper end of the surface of one side, far away from the inner wall surface of the heating device body, of the movable plate is fixedly connected with the rack which is horizontally placed, the gear is meshed and in transmission connection with the rack, the center of the gear is fixedly provided with one end of the linkage shaft, the other end of the linkage shaft extends out of the side wall of the heating device body and is fixedly connected with the control knob, and the linkage shaft is in rotatable.

Further, the projection area of the moving plate on the inner wall surface of the heating device body is larger than that of the access hole on the inner wall surface of the heating device body.

Further, the access door mechanism includes access door body and temperature monitor, access door body activity articulates in the outside of access hole, temperature monitor installs on the access door body and is connected with the temperature sensor electricity of establishing in heating device body.

Further, the inner side of the access door body is provided with a magnetic sheet, and the moving plate is a metal plate with ferromagnetism.

Furthermore, the outside of access door body is provided with the magnetic force piece.

Further, be equipped with the handle on the access door body and be used for observing the manhole of condition.

A formic acid reflow soldering sintering furnace comprises the heating device, an automatic feeding device and an automatic discharging device, wherein the heating device body is located between the automatic feeding device and the automatic discharging device.

Compared with the prior art, the beneficial effects of the utility model reside in that: in the utility model, the body part of the heating device is provided with the access hole and the access door mechanism, so that the internal parts can be more conveniently overhauled and maintained; meanwhile, a baffle mechanism is additionally arranged for further improving the sealing performance of the access hole and is used for shielding and covering the access hole from the inner side of the heating device body, so that impurities such as flying dust and the like are prevented from entering the heating device body from gaps of the access door mechanism to influence the processing quality, and the working temperature in the heating device body is further prevented from influencing the outer environment of the access hole; overall structure design is simple ingenious, low in manufacturing cost is honest and clean, and convenient operation is swift, can effectively improve artifical maintenance efficiency and then reduce the cost of labor, and the practicality is high.

Drawings

FIG. 1 is an overall structure diagram of a sintering furnace of the present invention;

fig. 2 is a front view of the baffle mechanism of the present invention;

fig. 3 is a side view of the baffle mechanism of the present invention;

FIG. 4 is a structural diagram of the middle access door mechanism of the present invention;

wherein, 1, an automatic feeding device; 2. an automatic discharging device; 3. an access door mechanism; 31. a manhole; 32. A temperature display; 33. a handle; 34. a gasket; 35. a magnetic sheet; 36. an access door body; 4. a heating device body; 41. an access hole; 5. a baffle mechanism; 51. a control knob; 52. moving the plate; 53. a gear; 54. a linear guide rail; 55. a rack; 56. a roller assembly; 57. a linkage shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in the description of the technical solutions of the present invention, some directional words, such as "front", "rear", "upper", "lower", "top", "bottom", "inner", "outer", etc., used for clearly describing the technical features of the present invention are all in terms of the orientation of the drawings of the present invention.

Examples

As shown in fig. 1, a heating apparatus of the present embodiment includes a heating apparatus body 4. The heating device body 4 of this embodiment drives the transport net through the stainless steel gyro wheel and removes the transport that carries out the material, and the transport net reserves the formic acid air inlet when production. In order to facilitate the maintenance, the embodiment is provided with an access opening 41 on the side wall of the housing of the heating device body 4, the outside of the access opening 41 is movably hinged with an access door mechanism 3, the movable hinge mode can adopt hinge connection, and meanwhile, in order to further prevent impurities such as flying dust from entering the heating device body 4 and to better avoid the temperature inside the heating device body 4 from influencing the outside environment temperature, a baffle mechanism 5 capable of reciprocating linear motion is arranged on the inside of the access opening 41 and used for further sealing the access opening 41.

As shown in fig. 2 and 3, the baffle mechanism 5 of the present embodiment includes a control knob 51, a moving plate 52 and two linear guide rails 54 fixed on the inner wall of the heating device body 4, the linear guide rails 54 are located above and/or below the access opening 41 and are disposed along the horizontal direction, specifically, in the present embodiment, the two linear guide rails 54 are parallel to each other and are respectively disposed above and below the access opening 41, and the cross-sectional structure is an L-shaped structure. The upper end and the lower end of the moving plate 52 are respectively connected with the linear guide rail 54 in a sliding way, the control knob 51 is arranged on the outer side wall of the heating device body 4 and is connected with the moving plate 52 to control the moving plate 52 to do reciprocating linear motion along the linear guide rail 54 through the meshing transmission of a gear rack. Specifically, the baffle mechanism 5 of the present embodiment further includes a gear 53, a rack 55, a roller assembly 56 and a linkage shaft 57, the roller assembly 56 is installed at the top end and/or the bottom end of the moving plate 52 and is slidably connected to the linear guide 54 through the roller assembly 56, in the present embodiment, at least two roller assemblies 56 are respectively installed at the top end and the bottom end of the moving plate 52, and the operation is more stable and stable. The upper end of the surface of one side of the moving plate 52, which is far away from the inner wall surface of the heating device body 4, is fixedly connected with a rack 55 which is horizontally placed, the rack 55 is welded on the moving plate 52, the connection mode is simple and firm, a gear 53 is meshed and connected above the rack 55 in a transmission manner, one end of a linkage shaft 57 is fixedly arranged at the center of the gear 53, the other end of the linkage shaft 57 extends out of the side wall of the heating device body 4 and is fixedly connected with a control knob 51, and the linkage shaft 57 is rotatably connected with the side wall. The projected area of the moving plate 52 on the inner wall surface of the heating apparatus body 4 is larger than the projected area of the access opening 41 on the inner wall surface of the heating apparatus body 4. By adopting the structure, the manual rotation control knob 51 can drive the gear 53 to rotate through the linkage shaft 57, and then the movable plate 52 which is connected with the movable rack 55 and fixedly connected with the rack 55 is in linear motion through gear and rack meshing transmission, so that the shielding of the access hole 41 is realized to cover a sealed working space, when the maintenance is needed, the movable plate 52 can be moved away only by reversely rotating the control knob 51, and the operation is simple and convenient.

As shown in fig. 4, the access door mechanism 3 of this embodiment includes access door body 36 and temperature display 32, and access door body 36 activity hinges in the outside of access hole 41, and the knocker adopts the spring fixed, and the edge all around of access door body 36 medial surface is equipped with the sealed pad 34 of silica gel material for improve the sealed effect of access door body 36 and access hole 41. Temperature monitor 32 installs on access door body 36 and is connected with the temperature sensor electricity of establishing in heating device body 4, and temperature sensor conducts temperature to temperature monitor 32 and demonstrates numerical value in with the heating device body 4 that detects, and whether the maintainer is fit for opening access door body 36 according to the temperature value that shows and overhauls, reduces the waste time. The inner side of the access door body 36 is provided with a magnetic sheet 35, and the moving plate 52 is a metal plate with ferromagnetism; when the moving plate 52 covers the inner side of the access opening 41, the access door body 36 is closed to cover the outer side of the access opening 41, an adsorption effect is generated between the magnetic sheet 35 and the moving plate 52, the moving plate 52 is enabled to be abutted on the inner side wall of the access opening 41 more tightly under the action of the adsorption force, and the sealing performance and the connection stability are improved. In addition, the magnetic sheet 35 is also arranged on the outer side of the access door body 36, when the worker opens the access door body 36 to one side, the magnetic sheet 35 on the outer side of the access door body 36 and the outer side wall of the heating device body 4 on the adjacent side are adsorbed together to fix the position of the access door body 36, and maintenance is facilitated. Meanwhile, the access door body 36 is also provided with a handle 33 which is convenient to hold and a manhole 31 for observing the condition.

The formic acid reflow soldering sintering furnace comprises the heating device, and further comprises an automatic feeding device 1 and an automatic discharging device 2, wherein the heating device body 4 is located between the automatic feeding device 1 and the automatic discharging device 2. Automatic feed arrangement 1 and automatic discharging device 2 all adopt the conveyer belt to carry out the material conveying, and the material is processed in automatic feed arrangement 1 conveying entering heating device body 4, and the processing back is conveyed out via automatic discharging device 2.

The utility model discloses a formic acid reflow soldering fritting furnace and heating device, through set up access hole 41 and access door mechanism 3 in heating device body 4 part, realize the maintenance to the inside spare part more conveniently; meanwhile, the baffle mechanism 5 is additionally arranged for further improving the sealing performance of the access opening 41 and is used for shielding and covering the access opening 41 from the inner side of the heating device body 4, so that impurities such as flying dust and the like are prevented from entering the heating device body 4 from gaps of the access door mechanism 3 to influence the processing quality, and the working temperature in the heating device body 4 is further prevented from influencing the outside environment of the access opening 41. Overall structure design is simple ingenious, low in manufacturing cost is honest and clean, and convenient operation is swift, can effectively improve artifical maintenance efficiency and then reduce the cost of labor, and the practicality is high.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A heating device, characterized by: comprises a heating device body (4), an access hole (41) is arranged on the side wall of the shell of the heating device body (4), an access door mechanism (3) is movably hinged on the outer side of the access opening (41), a baffle mechanism (5) capable of reciprocating linear motion is arranged on the inner side of the access opening (41), the baffle mechanism (5) comprises a control knob (51), a moving plate (52) and a linear guide rail (54) fixedly arranged on the inner wall of the heating device body (4), the linear guide rail (54) is positioned above and/or below the access opening (41) and is placed along the horizontal direction, the moving plate (52) is connected to the linear guide rail (54) in a sliding mode, and the control knob (51) is arranged on the outer side wall of the heating device body (4) and is connected with the moving plate (52) through meshing transmission of a gear rack to control the moving plate to do reciprocating linear motion.

2. A heating device according to claim 1, characterized in that: the baffle mechanism (5) further comprises a gear (53), a rack (55), a roller assembly (56) and a linkage shaft (57), the roller assembly (56) is installed at the top end and/or the bottom end of the movable plate (52) and is in sliding connection with the linear guide rail (54) through the roller assembly (56), the rack (55) which is horizontally placed is fixedly connected to the upper end of the surface of one side, far away from the inner wall surface of the heating device body (4), of the movable plate (52), the gear (53) is connected to the upper portion of the rack (55) in a meshing transmission mode, one end of the linkage shaft (57) is fixedly arranged at the center of the gear (53), the other end of the linkage shaft (57) extends out of the side wall of the heating device body (4) and is fixedly connected with the control knob (51), and the linkage shaft (57) is rotatably connected.

3. A heating device according to claim 2, characterized in that: the projection area of the moving plate (52) on the inner wall surface of the heating device body (4) is larger than the projection area of the access opening (41) on the inner wall surface of the heating device body (4).

4. A heating device according to claim 1 or 3, characterized in that: the access door mechanism (3) comprises an access door body (36) and a temperature display (32), wherein the access door body (36) is movably hinged to the outer side of the access opening (41), and the temperature display (32) is installed on the access door body (36) and is electrically connected with a temperature sensor arranged in the heating device body (4).

5. A heating device according to claim 4, characterized in that: the inner side of the access door body (36) is provided with a magnetic sheet (35), and the moving plate (52) is a metal plate with ferromagnetism.

6. A heating device according to claim 5, characterized in that: and a magnetic sheet (35) is arranged on the outer side of the access door body (36).

7. A heating device according to claim 4, characterized in that: the access door body (36) is provided with a handle (33) and a manhole (31) for observing the condition.

8. A formic acid reflow soldering fritting furnace is characterized in that: the heating device comprises a heating device as claimed in any one of claims 1 to 7, the formic acid reflow soldering sintering furnace further comprises an automatic feeding device (1) and an automatic discharging device (2), and the heating device body (4) is positioned between the automatic feeding device (1) and the automatic discharging device (2).