Automatic top cover opening and closing structure for reflow soldering machine

Abstract

The utility model relates to the technical field of reflow soldering machines, and discloses an automatic top cover opening and closing structure for a reflow soldering machine, which comprises a reflow soldering machine body, a mounting box arranged on the rear side of the reflow soldering machine body, a vertical plate arranged inside the mounting box, a lifting groove arranged inside the vertical plate, and a rotating groove arranged inside the vertical plate at the front end of the lifting groove. An opening and closing assembly is arranged on the adjacent side of the vertical plate and comprises a motor installed on one side of the vertical plate, one end of the motor is connected with a rotating shaft, the outer portion of the rotating shaft is fixedly sleeved with an annular sleeve, the outer portion of the annular sleeve is connected with a movable rod, one end of the movable rod is movably connected with a driving rod, and the upper end of the driving rod is connected with a fixed sleeve. A transverse rod penetrates through the fixing sleeve, moving plates are arranged outside the two ends of the transverse rod, a positioning block is arranged at one end of each moving plate, a motor controls a rotating shaft to drive a movable rod to move, a driving rod pushes the transverse rod to drive the moving plates to move, and opening and closing of the top cover are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reflow soldering machines, in particular to an automatic opening and closing structure of a top cover for a reflow soldering machine. Background Art

[0002] A reflow soldering machine is also called a reflow soldering machine or a "reflow oven". It provides a heating environment to melt the solder paste so that the surface mount components and PCB pads can be reliably combined together through the solder paste alloy. The solder of the reflow soldering technology is solder paste. A proper amount of solder paste in an appropriate form is applied to the pads of the circuit board in advance, and then the SMT components are placed in the corresponding positions; the solder paste has a certain viscosity to fix the components; then the circuit board with the components mounted enters the reflow soldering equipment. The core link of reflow soldering is to use an external heat source to heat the solder to melt it and flow and infiltrate it again to complete the soldering process of the circuit board.

[0003] Chinese patent document CN219870507U discloses a movable support device for the top cover of a reflow soldering furnace, which is used to fix the top cover of the reflow soldering furnace. The device includes a top cover connecting plate, a movable support rod, a support rod sleeve and a fixed block. One end of the movable support rod is sleeved in the support rod sleeve, and the other end of the movable support rod is movably connected to the top cover connecting plate. The bottom of the support rod sleeve is connected to the fixed block, the top cover connecting plate is fixedly connected to the top cover, and the fixed block is fixedly connected to the top crossbeam of the reflow furnace. The device has the advantages of eliminating safety hazards by fixing the top cover, simple structure, low cost and convenient maintenance. However, the above structure has the following disadvantages: the top cover of the reflow soldering furnace is usually of large mass, and the movable support device of the top cover of the reflow soldering furnace needs to be manually flipped up before the above-mentioned top cover of the reflow soldering furnace can be used, which requires a lot of arm strength for the staff, and it is easy to get tired after working for a long time, which may lead to accidents, which is very dangerous.

[0004] Therefore, in order to solve such problems, we propose an automatic opening and closing structure of a top cover for a reflow soldering machine. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic opening and closing structure of a top cover for a reflow soldering machine, aiming to solve the problem in the above-mentioned background technology that the top cover of the existing reflow soldering machine is usually of large mass, and the movable bracket device can only be used after the top cover is manually flipped up, which requires great arm strength from the staff and easily causes fatigue after long-term work, thus leading to accidents and being very dangerous.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic opening and closing structure of a top cover for a reflow soldering machine, comprising a reflow soldering machine body, a mounting box is arranged at the rear side of the reflow soldering machine body, a vertical plate is arranged inside the mounting box, a lifting slot is penetrated inside the vertical plate, a rotating slot is penetrated inside the vertical plate at the front end of the lifting slot, and an opening and closing component is arranged on one side adjacent to the vertical plate;

[0007] The opening and closing assembly includes a motor installed on one side of the vertical plate, one end of the motor is connected to a rotating shaft, the outer fixed sleeve of the rotating shaft is connected to an annular sleeve, the outer side of the annular sleeve is connected to a movable rod, the end of the movable rod away from the annular sleeve is movably connected to a driving rod, the upper end of the driving rod is connected to a fixed sleeve, a cross bar is arranged through the interior of the fixed sleeve, movable plates are arranged on the outside of both ends of the cross bar, and a positioning block is arranged at the end of the movable plate away from the cross bar.

[0008] Preferably, a through opening is provided on the top of the installation box, and the interior of the installation box is connected to the outside through the through opening.

[0009] Preferably, a limiting block is provided on one side of the annular sleeve away from the vertical plate, a rotating shaft is provided inside the limiting block, and one end of the movable rod away from the annular sleeve is rotatably connected to the driving rod through a screw.

[0010] Preferably, the movable plate is arranged on a side of the vertical plate away from the motor, both ends of the cross bar are movably arranged inside the lifting slot and the rotating slot, and the positioning block is movably arranged inside the lifting slot.

[0011] Preferably, a connecting plate is provided on the top of one end of the movable plate close to the positioning block, and a supporting plate is provided on the top of the connecting plate.

[0012] Preferably, a top cover is provided on one side of the support plate via bolts.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, firstly, the motor controls the rotating shaft to drive the movable rod to move, so that the driving rod pushes the cross bar to drive the movable plate to move, thereby realizing the opening and closing of the top cover. The automatic closing of the top cover of the reflow soldering machine is realized, and the opening angle of the top cover can be controlled. The movable bracket device can be used after the top cover is manually flipped up, which saves manpower and makes the opening and closing of the top cover of the reflow soldering machine safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional schematic diagram of an automatic opening and closing structure of a top cover for a reflow soldering machine proposed by the utility model;

[0016] Figure 2 A schematic plan view of an automatic opening and closing structure of a top cover for a reflow soldering machine proposed by the utility model;

[0017] Figure 3 The utility model provides a three-dimensional explosion-proof structure of the opening and closing components in the automatic opening and closing structure of the top cover of the reflow soldering machine. Figure 1 ;

[0018] Figure 4 The utility model provides a three-dimensional explosion-proof structure of the opening and closing components in the automatic opening and closing structure of the top cover of the reflow soldering machine. Figure 2 .

[0019] Legend:

[0020] 1. Reflow oven body; 2. Mounting box; 21. Through port; 3. Vertical plate; 4. Lifting slot; 5. Rotating slot; 6. Opening and closing assembly; 61. Motor; 62. Rotating shaft; 621. Limiting block; 63. Annular sleeve; 64. Movable rod; 641. Screw rod; 65. Driving rod; 66. Fixed sleeve; 67. Cross bar; 68. Moving plate; 69. Positioning block; 7. Connecting plate; 8. Support plate; 81. Bolt; 9. Top cover. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing 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 a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-4The utility model provides an embodiment: an automatic opening and closing structure of a top cover for a reflow soldering machine, comprising a reflow soldering machine body 1, a mounting box 2 is arranged at the rear side of the reflow soldering machine body 1, a vertical plate 3 is arranged inside the mounting box 2, the vertical plate 3 is fixedly mounted on the upper side of the interior of the mounting box 2, and two vertical plates 3 are symmetrically arranged, a lifting slot 4 is penetrated through one side of the interior of the vertical plate 3, the lifting slot 4 is vertically opened, a rotating slot 5 is penetrated through the interior of the vertical plate 3 at the front end of the lifting slot 4, the rotating slot 5 is arc-shaped, the interior of the rotating slot 5 is connected with the interior of the lifting slot 4, the upper end of the rotating slot 5 is in the same plane as the upper end of the lifting slot 4, the lower end of the rotating slot 5 is located in the middle of the lifting slot 4, and an opening and closing component 6 is arranged between the two vertical plates 3;

[0024] The opening and closing assembly 6 includes a motor 61 installed on one side of the vertical plate 3, one end of the motor 61 is connected to a rotating shaft 62, the rotating shaft 62 passes through the vertical plate 3 and extends to a side of the vertical plate 3 away from the motor 61, an annular sleeve 63 is fixedly provided on the outside of the rotating shaft 62, a movable rod 64 is connected to the outside of the annular sleeve 63, one end of the movable rod 64 away from the annular sleeve 63 is movably connected to a driving rod 65, the upper end of the driving rod 65 is connected to a fixed sleeve 66, a cross bar 67 is passed through the inside of the fixed sleeve 66, the fixed sleeve 66 is fixedly connected to the cross bar 67, and movable plates 68 are arranged on the outside of both ends of the cross bar 67, and the movable plate 68 is arranged on a side of the fixed sleeve 66 close to the vertical plate 3. The rotating shaft 62 is controlled to rotate by the motor 61 to drive the movable rod 64 on the annular sleeve 63 to move, so that the driving rod 65 pushes the cross bar 67 to move the movable plate 68, and a positioning block 69 is provided on the end of the movable plate 68 away from the cross bar 67.

[0025] A through opening 21 is provided on the top of the installation box 2 , and two through openings 21 are symmetrically provided. The interior of the installation box 2 is connected with the outside through the through opening 21 . The through opening 21 is used for the movement of the opening and closing component 6 , so that the top cover 9 can be opened and closed.

[0026] A limiting block 621 is provided on the side of the annular sleeve 63 away from the vertical plate 3, and a rotating shaft 62 is provided inside the limiting block 621 to limit the annular sleeve 63 to prevent it from falling off. One end of the movable rod 64 away from the annular sleeve 63 is rotatably connected to the driving rod 65 through a screw 641, so that when the motor 61 drives the movable rod 64 to rotate, it can pull the driving rod 65 to move.

[0027] The movable plate 68 is arranged on the side of the vertical plate 3 away from the motor 61, the two ends of the cross bar 67 are movably arranged inside the lifting groove 4 and the rotating groove 5, the positioning block 69 is movably arranged inside the lifting groove 4, and the movable plate 68 is driven to rise by the cross bar 67 moving in the lifting groove 4, and the movable plate 68 is driven to rotate by the cross bar 67 moving in the rotating groove 5.

[0028] A connecting plate 7 is arranged at the top of one end of the movable plate 68 close to the positioning block 69. The connecting plate 7 is vertically arranged on the movable plate 68. A supporting plate 8 is arranged on the top of the connecting plate 7. The supporting plate 8 is L-shaped. A notch is arranged at one end of the supporting plate 8 close to the connecting plate 7 to facilitate the rotation and retraction of the supporting plate 8 into the installation box 2.

[0029] A top cover 9 is provided on one side of the support plate 8 via bolts 81 , and the support plate 8 moves to drive the top cover 9 to close.

[0030] Working principle: first, the motor 61 controls the rotating shaft 62 to drive the annular sleeve 63 to rotate, and the movable rod 64 on the annular sleeve 63 pushes the driving rod 65 to move, and the driving rod 65 pushes the cross bar 67, so that the cross bar 67 pushes the movable plate 68 to rise, and at this time the positioning block 69 moves upward on the lifting slot 4 until the positioning block 69 reaches the top of the lifting slot 4, so that the movable plate 68 cannot move upward, and at this time the movable rod 64 continues to pull the driving rod 65 to drive the cross bar 67 to move, so that the cross bar 67 moves toward the inside of the rotating slot 5, under the guidance of the rotating slot 5, the cross bar 67 drives the movable plate 68 to rotate clockwise, so that the connecting plate 7 on the movable plate 68 drives the support plate 8 to move the outside of the outer installation box 2, so that the top cover 9 is twisted away from the reflow soldering body 1, so as to realize the opening of the top cover 9, and similarly, the motor 61 rotates in the opposite direction to realize the closing of the top cover 9.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic opening and closing structure of a top cover for a reflow soldering machine, comprising a reflow soldering machine body (1), characterized in that: The rear side of the reflow soldering machine body (1) is provided with an installation box (2), the interior of the installation box (2) is provided with a vertical plate (3), the interior of the vertical plate (3) is provided with a lifting groove (4) extending therethrough, the interior of the vertical plate (3) at the front end of the lifting groove (4) is provided with a rotating groove (5), and an opening and closing component (6) is provided on one side adjacent to the vertical plate (3); The opening and closing assembly (6) comprises a motor (61) mounted on one side of the vertical plate (3), one end of the motor (61) is connected to a rotating shaft (62), an annular sleeve (63) is fixedly sleeved on the outside of the rotating shaft (62), a movable rod (64) is connected to the outside of the annular sleeve (63), an end of the movable rod (64) away from the annular sleeve (63) is movably connected to a driving rod (65), an upper end of the driving rod (65) is connected to a fixed sleeve (66), a cross bar (67) is provided inside the fixed sleeve (66), movable plates (68) are provided on the outside of both ends of the cross bar (67), and a positioning block (69) is provided on the end of the movable plate (68) away from the cross bar (67).

2. The automatic opening and closing structure of the top cover for the reflow soldering machine according to claim 1, characterized in that: A through opening (21) is provided on the top of the installation box (2), and the interior of the installation box (2) is connected to the outside through the through opening (21).

3. The automatic opening and closing structure of the top cover for the reflow soldering machine according to claim 1, characterized in that: A limit block (621) is provided on a side of the annular sleeve (63) away from the vertical plate (3), a rotating shaft (62) is provided inside the limit block (621), and one end of the movable rod (64) away from the annular sleeve (63) is rotatably connected to the driving rod (65) via a screw rod (641).

4. The automatic opening and closing structure of the top cover for the reflow soldering machine according to claim 1, characterized in that: The movable plate (68) is arranged on a side of the vertical plate (3) away from the motor (61), the two ends of the crossbar (67) are movably arranged inside the lifting groove (4) and the rotating groove (5), and the positioning block (69) is movably arranged inside the lifting groove (4).

5. The automatic opening and closing structure of the top cover for the reflow soldering machine according to claim 1, characterized in that: A connecting plate (7) is arranged on the top of one end of the movable plate (68) close to the positioning block (69), and a supporting plate (8) is arranged on the top of the connecting plate (7).

6. The automatic opening and closing structure of the top cover for the reflow soldering machine according to claim 5, characterized in that: A top cover (9) is provided on one side of the support plate (8) via bolts (81).

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