Small reflow oven

Abstract

The utility model relates to the technical field of welding, in particular to a small reflow oven which comprises a lower box body, an upper cover, a drawer box, an equipment box, a first limiting wheel and a first push rod. The upper cover is arranged above the lower box body, the drawer box is arranged in front of the lower box body, the drawer box penetrates through the lower box body, the equipment box is arranged on the side of the lower box body, the first limiting wheels are symmetrically arranged on the two sides of the drawer box, and the first push rods are arranged at the positions, at the first limiting wheels, of the lower box body. The problems of inconvenience in operation and low working efficiency are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a small reflow furnace. Background Art

[0002] Welding equipment is a common equipment often used in the chip welding process. It adopts a relatively large cavity to place the chips and circuit boards to be welded on the carrier in the cavity, and uses the heating or cooling tubes in the carrier to heat up or cool down the chip to complete the chip welding, cooling, and the next re-welding and re-cooling process.

[0003] The main evaluation indicators of welding equipment include: heating rate, cooling rate, temperature uniformity and leakage rate, etc. Among them, the heating rate, cooling rate and temperature uniformity will not only affect the welding quality and welding stability, but also affect the welding efficiency, and are the main indicators for evaluating the welding effect of welding equipment. Existing welding equipment directly opens the upper cover to take out and put out materials, which is inconvenient to operate and has low work efficiency. Summary of the invention

[0004] The utility model provides a small reflow oven, which is used to solve the problems of inconvenient operation and low working efficiency of the small reflow ovens in the prior art.

[0005] The utility model provides a small reflow furnace, comprising a lower box body, an upper cover, a drawer box, an equipment box, a first limiting wheel and a first push rod; the upper cover is arranged above the lower box body, the drawer box is arranged in front of the lower box body, the drawer box passes through the lower box body, the equipment box is arranged on the side of the lower box body, the first limiting wheels are arranged on both sides of the drawer box symmetrically, and the first push rod is arranged at the position of the first limiting wheel on the lower box body.

[0006] According to the small reflow furnace of the utility model, the drawer box also includes a drawer front panel, multiple slide rails and a material discharge tray; the material discharge tray is arranged inside the drawer box, the material discharge tray is arranged behind the drawer front panel, and the first limiting wheels are symmetrically arranged on both sides of the drawer front panel.

[0007] According to the small reflow furnace of the utility model, the drawer box further comprises a driving shaft, the driving shaft is arranged below the material placing tray, and the driving shaft drives the drawer box to enter and exit the lower box body.

[0008] According to the small reflow oven of the utility model, the driving shaft is a gear, a lead screw or a slide rail.

[0009] According to the small reflow furnace of the utility model, the drawer box further includes a second limiting wheel, and the second limiting wheel is arranged below the discharge tray.

[0010] According to the small reflow furnace of the utility model, the lower box body further includes a second push rod, and the second push rod is arranged at the position of the second limiting wheel.

[0011] According to the small reflow furnace of the utility model, the lower box body also includes a lower box body frame, an exhaust mechanism, a gas pipe, a fan and a lower heating pipe; the exhaust mechanism is arranged on the side of the lower box body frame, the fan is arranged at the rear of the lower box body frame, the lower heating pipe is arranged at the lower part of the lower box body frame, and the gas pipe is arranged around the upper part of the lower box body frame.

[0012] According to the small reflow furnace of the utility model, the lower box body further comprises a driving mechanism, the driving mechanism is arranged on the side of the lower box body, and the driving mechanism drives the driving shaft.

[0013] According to the small reflow oven of the utility model, the drawer box further comprises an observation window, and the observation window is arranged on the front plate of the drawer.

[0014] According to the small reflow furnace of the utility model, it also includes an upper heating tube, and the upper heating tube is arranged inside the upper cover.

[0015] The drawer-type structure is convenient for taking and putting materials, and is easy to operate. The first push rod and the first limit wheel as well as the second push rod and the second limit wheel limit the drawer box firmly. After the first limit wheel is in place, the first push rod is pushed out to limit, so it will not be offset due to vibration. The fan and exhaust mechanism speed up the cooling of the welding furnace, improve the welding quality and work efficiency. The equipment box and the electrical box are separated for easy maintenance. The quartz sleeve can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a small reflow oven;

[0018] Figure 2 A three-dimensional diagram of the drawer box Figure 1 ;

[0019] Figure 3 A three-dimensional diagram of the drawer box Figure 2 ;

[0020] Figure 4 It is a structural schematic diagram of the enlarged view of local A;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the lower box;

[0022] Figure numerals: 1. drawer box; 2. upper cover; 3. lower box body; 4. equipment box; 11. discharge tray; 12. slide rail; 13. observation window; 14. drawer front panel; 15. first limit wheel; 16. drive shaft; 17. second limit wheel; 31. lower box body frame; 32. gas pipe; 33. exhaust mechanism; 34. fan; 35. lower heating tube; 36. first push rod; 37. drive mechanism; 38. second push rod. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0026] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0028] Combine the following Figure 1-5 A small reflow furnace according to an embodiment of the utility model is described, comprising a lower box body 3, an upper cover 2, a drawer box 1, an equipment box 4, a first limiting wheel 15 and a first push rod 36; an upper cover 2 is arranged above the lower box body 3, a drawer box 1 is arranged in front of the lower box body 3, the drawer box 1 passes through the lower box body 3, the equipment box 4 is arranged on the side of the lower box body 3, first limiting wheels 15 are arranged on both sides of the drawer box 1 symmetrically, and a first push rod 36 is arranged at the position of the first limiting wheel 15 of the lower box body 3. The drawer-type structure is convenient for taking and putting materials, and is easy to operate. The first push rod 36 and the first limiting wheel 15 as well as the second push rod 38 and the second limiting wheel 17 limit the drawer box 1 firmly, and the first push rod 36 is pushed out of the limit position after the first limiting wheel 15 is in place, so that it will not be offset due to vibration. A quartz sleeve heating tube is arranged inside the lower box body 3, and a quartz sleeve heating tube is arranged inside the upper cover 2.

[0029] In some embodiments, the drawer box 1 also includes a drawer front panel 14, multiple slide rails 12 and a material discharge tray 11; the material discharge tray 11 is arranged inside the drawer box 1, the material discharge tray 11 is arranged behind the drawer front panel 14, and the first limiting wheels 15 are symmetrically arranged on both sides of the drawer front panel 14.

[0030] In some embodiments, the drawer box 1 further includes a driving shaft 16 , which is disposed below the material discharging tray 11 , and the driving shaft 16 drives the drawer box 1 to enter and exit the lower box body 3 .

[0031] In some embodiments, the drive shaft 16 is a gear, a lead screw or a slide rail.

[0032] In some embodiments, the drawer box 1 further includes a second limiting wheel 17 , and the second limiting wheel 17 is disposed below the discharge tray 11 .

[0033] In some embodiments, the lower box body 3 further includes a second push rod 38 , and the second push rod 38 is disposed at the position of the second limiting wheel 17 .

[0034] In some embodiments, the lower box 3 further includes a lower box frame 31, an exhaust mechanism 33, a gas pipe 32, a fan 34 and a lower heating pipe 35; the exhaust mechanism 33 is arranged on the side of the lower box frame 31, the fan 34 is arranged at the rear of the lower box frame 31, the lower heating pipe 35 is arranged at the lower part of the lower box frame 31, and the gas pipe 32 is arranged around the upper part of the lower box frame 31. The exhaust mechanism 33 is preferably an exhaust fan. The gas pipe 32 is preferably a nitrogen pipe. The fan 34 accelerates the airflow circulation inside the lower box 3, and the exhaust mechanism 33 performs exhaust. The fan 34 and the exhaust mechanism 33 accelerate the cooling of the welding furnace, improve the welding quality and work efficiency. The lower heating pipe 35 is a quartz sleeve.

[0035] In some embodiments, the lower box body 3 further includes a driving mechanism 37 . The driving mechanism 37 is disposed on a side of the lower box body 3 , and the driving mechanism 37 drives the driving shaft 16 .

[0036] In some embodiments, the drawer box 1 further includes an observation window 13 , which is disposed on the drawer front plate 14 .

[0037] In some embodiments, an upper heating tube is also included, and the upper heating tube is arranged inside the upper cover 2.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A small reflow oven, characterized in that: It includes a lower box body, an upper cover, a drawer box, a device box, a first limiting wheel and a first push rod; the upper cover is arranged above the lower box body, the drawer box is arranged in front of the lower box body, the drawer box passes through the lower box body, the device box is arranged on the side of the lower box body, the first limiting wheels are arranged on both sides of the drawer box, and the first push rod is arranged at the position of the first limiting wheel on the lower box body.

2. The small reflow oven according to claim 1, characterized in that: The drawer box also includes a drawer front panel, a plurality of slide rails and a material placing tray; the material placing tray is arranged inside the drawer box, the material placing tray is arranged behind the drawer front panel, and the first limiting wheels are symmetrically arranged on both sides of the drawer front panel.

3. The small reflow furnace according to claim 2, characterized in that: The drawer box also includes a driving shaft, which is arranged below the material placing tray and drives the drawer box to enter and exit the lower box body.

4. The small reflow oven according to claim 3, characterized in that: The driving shaft is a gear, a lead screw or a slide rail.

5. The small reflow oven according to claim 2, characterized in that: The drawer box further comprises a second limiting wheel, and the second limiting wheel is arranged below the material placing tray.

6. The small reflow oven according to claim 5, characterized in that: The lower box body also includes a second push rod, and the second push rod is arranged at the position of the second limiting wheel.

7. The small reflow oven according to claim 1, characterized in that: The lower box body also includes a lower box body frame, an exhaust mechanism, a gas pipe, a fan and a lower heating pipe; the exhaust mechanism is arranged on the side of the lower box body frame, the fan is arranged at the rear of the lower box body frame, the lower heating pipe is arranged at the lower part of the lower box body frame, and the gas pipe is arranged around the upper part of the lower box body frame.

8. The small reflow oven according to claim 3, characterized in that: The lower box body also includes a driving mechanism, which is arranged on the side of the lower box body and drives the driving shaft.

9. The small reflow oven according to claim 2, characterized in that: The drawer box further comprises an observation window, which is arranged on the drawer front plate.

10. The small reflow oven according to claim 1, characterized in that: It also includes an upper heating tube, which is arranged inside the upper cover.

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