Vacuum reflow soldering furnace body capable of automatically opening and closing door

Abstract

The utility model discloses a furnace body of a vacuum reflow soldering furnace capable of automatically opening and closing a door, which comprises a cavity with a hollow structure, and an opening is formed in one side of the cavity; the door plate is located on one side of the opening of the cavity, and the size of the door plate is matched with that of the opening; the guide assemblies are respectively fixed on two side surfaces of the cavity, and the other ends of the guide assemblies are fixedly connected with the door plate; the driving assembly is installed at the bottom of the cavity, the driving assembly is in transmission fit with the door plate at the same time, and the driving assembly can drive the door plate to cover the opening of the cavity or move away from the opening along the guide assembly. According to the furnace body of the vacuum reflow soldering furnace, the door plate of the cavity is drawn and pulled through power of the driving assembly and guiding of the guiding assembly, and automatic opening and closing are achieved. The cavity of the furnace body of the vacuum reflow soldering furnace capable of automatically opening and closing the cover is hinged to the upper cover through the hinge, the upper cover can be freely detached, the characteristics of easy installation, maintenance and cleaning of an upward cover lifting type cavity are reserved, the labor cost is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vacuum reflow soldering furnace technical field, more particularly to a kind of automatic on-off door vacuum reflow soldering furnace furnace body. BACKGROUND

[0002] Vacuum reflow soldering furnace furnace body is the equipment for high-quality welding of semiconductor chips in vacuum environment, and is widely used in electronic, semiconductor and other fields. The furnace body of the vacuum reflow soldering furnace is an important part of the vacuum reflow soldering furnace, which not only serves as a container for the welding process, but also provides the necessary heating environment to ensure that electronic components and circuit boards can be welded with high quality in a vacuum environment.

[0003] The existing vacuum reflow soldering furnace is basically operated by lifting the cover or horizontally pushing and pulling, and most of them are manually opened, which is not suitable for use in higher automation scenarios. UTILITY MODEL CONTENT

[0004] To solve the above problems in the prior art, the utility model provides an automatic on-off door vacuum reflow soldering furnace furnace body, which comprises a cavity, a door plate is arranged on the open side of the cavity, a driving assembly is installed at the bottom of the cavity and is in transmission cooperation with the door plate, and the driving assembly can drive the door plate to be arranged on the opening of the cavity or removed from the opening along the guide assembly.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] An automatic on-off door vacuum reflow soldering furnace furnace body comprises:

[0007] The cavity is arranged as a hollow structure, and one side of the cavity is arranged as an opening;

[0008] A door plate is arranged on the opening side of the cavity, and the size of the door plate matches the opening;

[0009] Guide assemblies are respectively fixed to the two side surfaces of the cavity, and the other end of the guide assembly is fixedly connected with the door plate; and

[0010] A driving assembly is installed at the bottom of the cavity, and the driving assembly is in transmission cooperation with the door plate, wherein the driving assembly can drive the door plate to be arranged on the opening of the cavity or removed from the opening along the guide assembly.

[0011] Further, the driving assembly is arranged at the bottom of the cavity, and the driving assembly comprises a linear module and a driving motor installed at one end of the linear module, a moving seat is installed on the linear module, and the moving seat is fixed to the lower part of the cavity through a connecting plate.

[0012] Further, the straight line module is fixed with an intermediate plate at one end away from the driving motor, the intermediate plate is fixed to the middle of the door plate, and the intermediate plate is arranged on the side of the door plate away from the cavity.

[0013] Further, the guide assembly comprises a guide shaft, one end of the guide shaft is fixed with the door plate, and the other end of the guide shaft extends to one side of the cavity and passes through two straight line bearings fixed on the cavity.

[0014] Further, the straight line module is further provided with a stroke sensor, the number of the stroke sensor is two, and the stroke sensor is arranged along the length direction of the straight line module, and the stroke sensor is used for detecting the position of the straight line module.

[0015] Further, a door closing sensor is further arranged on one side of the cavity, and the door closing sensor is used for detecting the state of the door plate.

[0016] Further, the door closing sensor and the stroke sensor are both photoelectric sensors.

[0017] Further, two hanging plates are fixed on the side of the door plate close to the cavity, the two hanging plates are arranged in parallel with each other, and a chip fixture is arranged between the two hanging plates.

[0018] Further, an upper cover is hingedly arranged on the upper part of the cavity, a plurality of threaded holes are formed in the circumferential direction of the upper cover, and a plurality of threaded holes corresponding to the threaded holes of the upper cover are formed in the side of the cavity facing the upper cover.

[0019] Compared with the prior art, the beneficial effects of the scheme are:

[0020] The utility model provides an automatic open and close door vacuum reflow soldering furnace body, including cavity, the door plate is set to the open side of cavity, the bottom of cavity is installed with drive component and door plate transmission cooperation, the vacuum reflow soldering furnace body of the utility model utilizes the power of drive component, the guide assembly is installed to the both sides of cavity, the bottom of cavity side surface installs drive component, drive component and door plate transmission cooperation, the vacuum reflow soldering furnace of the utility model utilizes the power of drive component, and the guide assembly guides and makes the door plate of cavity carry out pull -out movement, realizes automatic opening and closing. ACCURACY OF DRAWINGS

[0021] Figure 1 It is the structure schematic view of the utility model;

[0022] Figure 2 It is the plan view of the utility model;

[0023] Figure 3 It is the front view of the utility model;

[0024] Figure 4 It is the sectional view of the utility model.

[0025] The reference signs are in turn: cavity 1, door closing sensor 11, linear bearing 12, upper cover 13, threaded hole 131, hinge 14, door plate 2, middle plate 21, hanging plate 22, guide assembly 3, guide shaft 31, shaft connecting block 32, limiting buffer block 33, driving assembly 4, linear module 41, driving motor 42, moving seat 43, connecting plate 44, stroke sensor 45, chip fixture 5. DETAILED DESCRIPTION

[0026] The utility model will be made further detailed explanation in combination with the drawings.

[0027] An automatic opening and closing door vacuum reflow soldering furnace body, as shown in the figure, comprises: Figures 1-3

[0028] The cavity 1 is provided as a hollow structure, and one side of the cavity 1 is provided as an open mouth;

[0029] The door plate 2 is located at the open mouth side of the cavity 1, and the size of the door plate 2 matches the open mouth;

[0030] The guide assembly 3 is fixed on the two side surfaces of the cavity 1 respectively, and the other end of the guide assembly 3 is fixedly connected with the door plate 2; and

[0031] The driving assembly 4 is installed at the bottom of the cavity 1, and the driving assembly 4 is in transmission cooperation with the door plate 2, wherein the driving assembly 4 can drive the door plate 2 to cover the open mouth of the cavity 1 or move away from the open mouth along the guide assembly 3.

[0032] According to a specific embodiment of the utility model, the cavity 1 can specifically adopt a hexahedral cavity structure, an open mouth is formed on one side of the side surface of the cavity 1, the door plate 2 is arranged at the open mouth side, the door plate 2 can cover the open mouth of the cavity 1, when the cavity 1 is in vacuum, the door plate 2 and the sealing ring arranged at the door plate 2 or the edge of the open mouth are pressed and sealed by negative pressure, thereby forming a sealed space. The door plate 2 is fixed with the guide assembly 3 on the two side surfaces of the cavity 1, and under the action of the guide assembly 3, the door plate 2 can cover or move away from the open mouth of the cavity 1.

[0033] The driving assembly 4 is further installed on the cavity 1, and the driving assembly 4 can be specifically installed at the bottom of the cavity 1. The driving assembly 4 is in transmission cooperation with the door plate 2, the guide assembly 3 can limit the movement route of the door plate 2, and the driving assembly 4 can drive the door plate 2 to cover the open mouth of the cavity 1 or move away from the open mouth along the guide assembly 3.

[0034] ​The existing vacuum reflow soldering furnace adopts the upper cover lifting or horizontal pushing and pulling mode for feeding and discharging, and most of them adopt the manual cover opening mode, which is not suitable for the use scene with higher automation requirement. The vacuum reflow soldering furnace utilizes the power of the driving assembly 4 and the guiding of the guiding assembly 3 to realize the automatic opening and closing of the door plate 2 of the cavity 1. Meanwhile, one end of the hanging plate 22 is fixed on the door plate 2, and the driving assembly 4 can drive the hanging plate 22 and the chip fixture 5 in the cavity 1 to automatically enter and exit the cavity 1.

[0035] Further, the driving assembly 4 is arranged at the bottom of the cavity 1, and the driving assembly 4 comprises a linear module 41 and a driving motor 42 arranged at one end of the linear module 41, and a moving seat 43 is arranged on the linear module 41, and the moving seat 43 is fixed to the lower part of the cavity 1 through a connecting plate 44.

[0036] According to the specific embodiment provided by the utility model, the number of the driving assembly 4 is one, and the driving assembly 4 is fixed at the bottom of the cavity 1. The driving assembly 4 specifically comprises a linear module 41 and a driving motor 42 arranged at one end of the linear module 41. The linear module 41 is horizontally arranged, and the upper part of the linear module 41 further comprises a moving seat 43, and the moving seat 43 is fixed to the lower part of the cavity 1 through a connecting plate 44.

[0037] In the embodiment, the driving motor 42 can be a servo motor, and the linear module 41 is a lead screw structure. When the driving motor 42 works, the moving seat 43 moves, and the end of the linear module 41 is fixed to the door plate 2, so as to drive the door plate 2 to move. The purpose of the installation is to improve the space utilization and avoid the end of the linear module 41 from extending out of the door plate 2 too much.

[0038] As an alternative embodiment of the embodiment, the driving motor 42 can also be arranged below the door plate 2, and the end of the linear module 41 is fixed to the cavity 1, so that when the driving motor 42 works, the moving seat 43 moves, and the door plate 2 moves.

[0039] Further, in order to make the door plate 2 move uniformly, the linear module 41 of the driving assembly 4 is fixed to the middle plate 21 fixed to the middle part of the door plate 2. Therefore, the middle plate 21 adopts a three-section "N" type plate structure. One end of the linear module 41 away from the driving motor 42 is fixed with the middle plate 21, the middle plate 21 is fixed to the middle part of the door plate 2, and the middle plate 21 is arranged on the side of the door plate 2 away from the cavity 1. One end of the middle plate 21 is fixed to the door plate 2, and the other end is fixed to the linear module 41.

[0040] Further, the guide assembly 3 is arranged above the driving assembly 4, the guide assembly 3 comprises a guide shaft 31, the guide shaft 31 and the linear module 41 are arranged in parallel, one end of the guide shaft 31 is fixed with a shaft connecting block 32, the shaft connecting block 32 is an L-shaped structure, the shaft connecting block 32 is fixed at the corner of the door plate 2, the other end of the guide shaft 31 extends to one side of the cavity 1 and passes through two linear bearings 12 fixed on the cavity 1, the linear bearings 12 are arranged in two, so that the guide shaft 31 is uniformly stressed during movement. The end of the guide shaft 31 away from the shaft connecting block 32 is a large end, the large end is provided with a limiting buffer block 33, the limiting buffer block 33 can be in contact with the linear bearing 12, the limiting buffer block 33 is a flexible rubber structure, thereby forming a buffer.

[0041] Further, the linear module 41 is also provided with a stroke sensor 45, the number of the stroke sensor 45 is two and the stroke sensor 45 is arranged along the length direction of the linear module 41, the stroke sensor 45 is used for detecting the position of the linear module 41, the lower part of the moving seat 43 is fixed with a baffle, when the stroke sensor 45 moves below the moving seat 43, the baffle blocks the stroke sensor 45, at this time the position of the linear module 41 can be detected, the position is converted into an electrical signal and transmitted to the control system, thereby controlling the driving motor 42, when installed, the cavity 1 is fixed with the vacuum reflow soldering furnace rack, the linear module 41 can move relative to the cavity 1, thereby driving the door plate 2 at the end to move.

[0042] Further, the cavity 1 is also provided with a door sensor 11 on one side, the door sensor 11 is used for detecting the state of the door plate 2, that is, when the door plate 2 is driven by the linear module 41 to move to the door sensor 11, the door sensor 11 can detect the state of whether the door plate 2 is closed.

[0043] Further, the door sensor 11 and the stroke sensor 45 are both photoelectric sensors, the photoelectric sensor can use the existing product in the market.

[0044] Further, the door plate 2 is fixed with two hanging plates 22 on the side close to the cavity 1, as shown in Figure 4 The two hanging plates 22 are arranged in parallel, the hanging plates 22 are parallel with the linear module 41 and the guide shaft 31, the two hanging plates 22 are used for placing the chip fixture 5, the hanging plates 22 adopt a strip-shaped plate structure, the opposite sides of the two hanging plates 22 extend with clamping parts, which are used for bearing the chip fixture 5.

[0045] Further, the cavity 1 is hingedly provided with an upper cover 13 on the upper part, the upper cover 13 is circumferentially provided with a plurality of threaded holes 131, one side of the cavity 1 towards the upper cover 13 is provided with threaded holes 131 corresponding to the threaded holes 131 of the upper cover 13.

[0046] In the embodiment, the cavity 1 is fixed with a hinge 14 on both sides, and the hinge 14 can be fixed at one end of the cavity 1 where the connecting plate 44 is installed, so that the upper cover 13 can be conveniently opened and closed without colliding with other structures of the device. The hinge 14 is hinged with the upper cover 13, and the upper cover 13 is also connected with the cavity 1 through bolts, and a sealing ring is arranged on the upper part of the cavity 1 or the side of the upper cover 13 close to the cavity 1, so as to improve the sealing performance. The upper cover 13 can be freely disassembled, and the characteristics of easy installation, maintenance and cleaning of the upper-lifting-cover cavity 1 are retained. The device reduces the labor cost and improves the production efficiency.

[0047] Finally, it should be pointed out that in the description of the utility model, it should be pointed out that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0048] In the description of the utility model, it should also be pointed out that unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0049] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic door opening vacuum reflow soldering furnace body, characterized in that, The utility model relates to a kind of chip testing device, including: The cavity of setting hollow structure is set to the open side of the cavity; Door plate is located in the open side of the cavity, and the door plate size matches with the open side; Respectively fixed in the guide assembly of the cavity two side faces, the guide assembly other end is fixedly connected with the door plate;And Drive assembly is installed in the bottom of the cavity, and the drive assembly is simultaneously driven with door plate transmission cooperation, wherein the drive assembly can drive door plate along guide assembly to cover or from the open side of the cavity.

2. The automatic door opening vacuum reflow soldering furnace body according to claim 1, characterized in that, The drive assembly is set in the bottom of the cavity, and drive assembly includes linear module and drive motor installed in one end of the linear module, and moving seat is installed on the linear module, and the moving seat is fixed with the lower part of the cavity by connecting plate.

3. The automatic door opening vacuum reflow soldering furnace body according to claim 2, characterized in that, The end of the linear module away from drive motor is fixed with intermediate plate, and the intermediate plate is fixed in the middle of the door plate, and intermediate plate is set in the side of door plate away from the cavity.

4. The automatic door opening vacuum reflow soldering furnace body according to claim 3, characterized in that, The guide assembly includes guide shaft, and one end of the guide shaft is fixed with the door plate, and the other end of the guide shaft extends to one side of the cavity and passes through two linear bearings fixed on the cavity.

5. An automatic door opening vacuum reflow soldering furnace body according to any one of claims 2 to 4, characterized in that, The linear module is also provided with stroke sensor, and the number of stroke sensor is two and is set along the length direction of linear module, and the stroke sensor is used to detect the position of the linear module.

6. An automatic door opening vacuum reflow soldering furnace body according to claim 5, characterized in that, The side of the cavity is also provided with door sensor, and the door sensor is used to detect the state of the door plate.

7. An automatic door opening vacuum reflow soldering furnace body according to claim 6, characterized in that, The door sensor and the stroke sensor are both photoelectric sensor.

8. The automatic door opening vacuum reflow soldering furnace body according to claim 7, characterized in that, The side of the door plate close to the cavity is fixed with two hanging plates, and the two hanging plates are parallelly arranged, and the chip fixture is placed between the two hanging plates.

9. An automatic door opening vacuum reflow soldering furnace body according to any one of claims 5 to 8, characterized in that, The upper cover is hingedly arranged on the upper part of the cavity, a plurality of threaded holes are formed in the circumferential direction of the upper cover, and a plurality of threaded holes corresponding to the threaded holes of the upper cover are formed on the side of the cavity facing the upper cover.

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