Electronic component preheater with layered structure

Abstract

The invention relates to the technical field of preheating devices, and discloses an electronic component preheater with a layered structure, which comprises a metal plate frame, two fixing columns are fixedly connected to the bottom of the inner wall of the metal plate frame, a fixing plate is fixedly connected between the tops of the two fixing columns, and a second connecting plate is fixedly connected to the top of the fixing plate. Second side plates are fixedly connected to the left side and the right side of the second connecting plate correspondingly, first side plates are fixedly connected to the upper positions of the centers of the left side and the right side of the inner wall of the metal plate frame correspondingly, a first connecting plate is fixedly connected between the two first side plates, and a first heating plate is fixedly connected to the front position of the center of the top of the first connecting plate. By using the layered structure, the electronic component preheater is provided with a plurality of heating areas, and each area can independently adjust the temperature and control the temperature, so that the preheater can simultaneously process the preheating work of electronic components with different temperatures, and the damage or undesirable phenomenon caused by temperature mismatching is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of preheating devices, in particular to an electronic component preheating machine with a layered structure. Background Art

[0002] An electronic component preheater is a device used to heat and preheat electronic components. It is usually used on the production line of electronic components to improve the working performance and stability of the components. The preheater heats the components to a suitable working temperature, which can reduce the failure rate of the components and improve their reliability. The preheater usually uses hot air or infrared heating to heat the components, and the heating temperature and time can be adjusted according to different component types and sizes.

[0003] The existing electronic component preheating machine is a single-layer design. The single-layer electronic component preheating machine has only one heating area and cannot handle the preheating work of electronic components of different temperatures at the same time. At the same time, the single-layer electronic component preheating machine has only a single heating area and cannot preheat components of different types or sizes at the same time. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an electronic component preheating machine with a layered structure, which solves the problems of damage or malfunction caused by temperature mismatch in a single heating area and the inability to simultaneously heat components of different types or sizes.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electronic component preheating machine with a layered structure, comprising a sheet metal frame, two fixing columns are fixedly connected to the bottom of the inner wall of the sheet metal frame, a fixing plate is fixedly connected between the tops of the two fixing columns, a second connecting plate is fixedly connected to the top of the fixing plate, and second side plates are fixedly connected to the left and right sides of the second connecting plate, first side plates are fixedly connected at the upper center position of the left and right sides of the inner wall of the sheet metal frame, a first connecting plate is fixedly connected between the two first side plates, a first heating plate is fixedly connected at the front center position of the top of the first connecting plate, a heat exchanger is arranged at the bottom of the first heating plate, and the heat exchanger on the right side The first side panel and the second side panel are fixedly connected with a second limit seat at the rear side of the top, the first side panel and the second side panel on the right side are provided with a third limit seat in front of the second limit seat at the top, the second heating plate is fixedly connected at the front center of the top of the second connecting plate, the first side panel and the second side panel on the left side are fixedly connected with the first limit seat at the rear side of the top, an adjustment mechanism is provided between the first limit seat and the third limit seat, and the adjustment mechanism is used to adjust the spacing, the two first side panels and the two second side panels are fixedly connected with a fourth limit seat at the front side of the top, and the two fourth limit seats adjacent to each other on the left and right are fixedly connected with a fixing frame, and two infrared thermometers are fixedly connected to the top of the two fixing frames.

[0006] Preferably, the adjusting mechanism comprises two threaded rods, which are rotatably connected to the first limit seat and the third limit seat respectively, the surfaces of the two threaded rods are threadedly connected with nut pairs, a sliding frame is fixedly connected between two adjacent nut pairs, two sliders are fixedly connected to the front side of the sliding frame, the bottoms of the two sliders are slidably connected with slide rails, the rear sides of the two second limit seats are fixedly connected to the first driving motor, the first driving motor is fixedly connected to the right threaded rod, the front side of the sliding frame and the rear side of the fixed frame are rotatably connected to two tensioning wheels, and a belt is arranged between the two adjacent tensioning wheels on the left and right.

[0007] Preferably, the bottoms of the two top slide rails are respectively fixedly connected to the tops of the two first side panels, and the bottoms of the two bottom slide rails are respectively fixedly connected to the tops of the two second side panels.

[0008] Preferably, feet are threadedly connected at the four corners of the bottom of the sheet metal frame, four moving wheels are fixedly connected to the bottom of the sheet metal frame, a lifting column is fixedly connected to the top of the sheet metal frame, and a three-color warning light is fixedly connected to the top of the lifting column.

[0009] Preferably, the bottom of the heat exchanger passes through and extends to the bottom of the first connecting plate, and the heat exchanger is fixedly connected to the first connecting plate.

[0010] Preferably, sealing plates are fixedly connected to the left and right sides of the sheet metal frame, both sealing plates are provided with heat dissipation windows, both sealing plates are provided with two inlets and outlets, and an inspection door is hinged at the bottom of the front side of the sheet metal frame.

[0011] Preferably, the sheet metal frame is fixedly connected with cross beams on both left and right sides, a top plate is fixedly connected between the two cross beams, a hinged plate is rotatably connected to the front side of the top plate, and an observation door is rotatably connected to the front side of the hinged plate.

[0012] Preferably, track plates are fixedly connected to the left and right sides of the inner wall of the sheet metal frame, sliding grooves are opened on adjacent sides of the two track plates, the left and right sides of the observation door are located in the sliding grooves, the observation door is slidingly connected to the track plates, a protective glass is fixedly connected to the inner side of the observation door, damping rods are rotatably connected to adjacent sides of the two cross beams, and the output ends of the two damping rods are rotatably connected to the hinge plates.

[0013] Preferably, the first side plate and the top of the second side plate on the right side are fixedly connected to the second drive motor, the output ends of the second drive motor are fixedly connected to the hexagonal shaft, and the two adjacent tensioning wheels on the right side are both sleeved on the surface of the hexagonal shaft.

[0014] Working principle: First, after the preheater is powered on, the second heating plate starts to heat up. As the temperature of the second heating plate rises, the heat exchanger captures and reuses the heat generated by the second heating plate during heating and operation, thereby heating the first heating plate. After the first heating plate generates a certain temperature through the heat exchanger, the first heating plate can start to actively heat up, and stop heating after reaching the specified temperature. The first heating plate and the second heating plate maintain the set temperature, and the temperature of the first heating plate and the second heating plate is monitored in real time through an infrared thermometer, and further driven by the first drive motor The threaded rod rotates, and the threaded rod and the nut pair thread move, pushing the corresponding sliding frames on the first connecting plate and the second connecting plate forward or pulling the sliding frames backward. After adjusting to the corresponding size of the electronic components, the second drive motor works, and the second drive motor drives the hexagonal shaft to rotate, thereby driving the sliding frame and the tensioning wheel on the left side of the fixed frame to rotate, and the tensioning wheel drives the belt to rotate in a circle. Finally, the electronic components are placed between the belt on the sliding frame and the belt on the fixed frame from the inlet and outlet, and the belt drives the electronic components to pass over the first heating plate or the second heating plate to preheat the electronic components.

[0015] The present invention provides an electronic component preheating machine with a layered structure.

[0016] Beneficial effects:

[0017] 1. The present invention uses a layered structure so that the electronic component preheating machine has multiple heating areas, each area can independently adjust the temperature and control, so that the preheating machine can handle the preheating work of electronic components of different temperatures at the same time, avoiding damage or adverse phenomena caused by temperature mismatch.

[0018] 2. The present invention adjusts the distance between the sliding frame and the fixed frame of each layer according to the requirements of components of different types or sizes through an adjusting mechanism, and places components of different types or sizes in corresponding heating areas for personalized heating treatment, so that components of different types or sizes can be preheated at the same time.

[0019] 3. The present invention captures and reuses the waste heat generated by the second heating plate at the bottom through a heat exchanger to heat the first heating plate, thereby reducing the energy consumption of the first heating plate, reducing production costs and improving energy utilization efficiency, maximizing the use of the heat resources that have been generated and avoiding waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of an electronic component preheating machine with a layered structure according to the present invention;

[0021] Figure 2 It is a three-dimensional right-side internal structure schematic diagram of an electronic component preheating machine with a layered structure according to the present invention;

[0022] Figure 3 It is a three-dimensional top view schematic diagram of an electronic component preheating machine with a layered structure according to the present invention;

[0023] Figure 4 It is a three-dimensional front view schematic diagram of an electronic component preheating machine with a layered structure according to the present invention;

[0024] Figure 5 This is a schematic diagram of the top structure of a first connecting plate of an electronic component preheating machine with a layered structure according to the present invention;

[0025] Figure 6 This is a schematic diagram of the top structure of a second connecting plate of an electronic component preheating machine with a layered structure according to the present invention.

[0026] Among them, 1. Inspection door; 2. Sliding groove; 3. Track plate; 4. Observation door; 5. Protective glass; 6. Crossbeam; 7. Inlet and outlet; 8. Sheet metal frame; 9. Sealing plate; 10. Heat dissipation window; 11. Damping rod; 12. Fixed plate; 13. Fixed column; 14. Top plate; 15. Hinge plate; 16. Lifting column; 17. Three-color warning light; 18. Heat exchanger; 19. Moving wheel; 20. Footrest; 21. Hexagonal shaft; 22. First drive motor; 23. The first connecting plate; 24, the first side plate; 25, the first limiting seat; 26, the nut pair; 27, the tensioning wheel; 28, the belt; 29, the infrared thermometer; 30, the first heating plate; 31, the second side plate; 32, the second connecting plate; 33, the second heating plate; 34, the second limiting seat; 35, the third limiting seat; 36, the second driving motor; 37, the sliding frame; 38, the slider; 39, the slide rail; 40, the fixed frame; 41, the fourth limiting seat; 42, the threaded rod. DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Please refer to the attached Figure 1 -Attached Figure 6, an embodiment of the present invention provides an electronic component preheating machine with a layered structure, including a sheet metal frame 8, two fixing columns 13 are fixedly connected to the bottom of the inner wall of the sheet metal frame 8, a fixing plate 12 is fixedly connected between the tops of the two fixing columns 13, a second connecting plate 32 is fixedly connected to the top of the fixing plate 12, and the second connecting plate 32 is fixedly connected to the second side plates 31 on both sides, and the first side plates 24 are fixedly connected to the upper center of the left and right sides of the inner wall of the sheet metal frame 8, a first connecting plate 23 is fixedly connected between the two first side plates 24, and a first heating plate 30 is fixedly connected to the front center of the top of the first connecting plate 23, and a heat exchanger 18 is arranged at the bottom of the first heating plate 30, and the first side plate 24 on the right side and the second side plate 31 on the top are fixedly connected. A second limiting seat 34 is fixedly connected to the rear side of each part, a third limiting seat 35 is arranged on the front side of the second limiting seat 34 on the top of the first side plate 24 on the right side and the second side plate 31, a second heating plate 33 is fixedly connected to the front position of the top center of the second connecting plate 32, the first limiting seat 25 is fixedly connected to the rear side of the top of the first side plate 24 on the left side and the second side plate 31, an adjustment mechanism is arranged between the first limiting seat 25 and the third limiting seat 35, and the adjustment mechanism is used to adjust the spacing, a fourth limiting seat 41 is fixedly connected to the front side of the top of the two first side plates 24 and the two second side plates 31, a fixing frame 40 is fixedly connected between the two adjacent fourth limiting seats 41 on the left and right, and two infrared thermometers 29 are fixedly connected to the top of the two fixing frames 40.

[0029] The adjusting mechanism includes two threaded rods 42, which are rotatably connected to the first limit seat 25 and the third limit seat 35 respectively. The surfaces of the two threaded rods 42 are threadedly connected with nut pairs 26, and a sliding frame 37 is fixedly connected between two adjacent nut pairs 26. Two sliders 38 are fixedly connected to the front side of the sliding frame 37, and the bottoms of the two sliders 38 are slidably connected with slide rails 39. The rear sides of the two second limit seats 34 are fixedly connected with the first drive motor 22, and the first drive motor 22 is fixedly connected to the right threaded rod 42. The front side of the sliding frame 37 and the rear side of the fixed frame 40 are rotatably connected with two tensioning wheels 27, and a belt 28 is arranged between the two adjacent tensioning wheels 27 on the left and right.

[0030] There are three belts 28 in total, one belt 28 is provided on the front side of the sliding frame 37 and the rear side of the fixed frame 40. These two belts 28 are used to transport electronic components. Another belt 28 is located between the two threaded rods 42. The first drive motor 22 drives the threaded rod 42 on the left to rotate, and then the belt 28 is used to transmit the transmission to the threaded rod 42 on the right.

[0031] The bottoms of the two top slide rails 39 are respectively fixedly connected to the tops of the two first side panels 24 , and the bottoms of the two bottom slide rails 39 are respectively fixedly connected to the tops of the two second side panels 31 .

[0032] There are four slide rails 39 in total, with two slide rails 39 on one layer. The two top slide rails 39 are fixed together with the two first side panels 24 , and one slide rail 39 is fixed on one first side panel 24 . The two bottom slide rails 39 are fixed together with the two second side panels 31 , and one slide rail 39 is fixed on one second side panel 31 .

[0033] The four corners of the bottom of the sheet metal frame 8 are all threadedly connected with feet 20, the bottom of the sheet metal frame 8 is fixedly connected with four moving wheels 19, the top of the sheet metal frame 8 is fixedly connected with a lifting column 16, and the top of the lifting column 16 is fixedly connected with a three-color warning light 17.

[0034] The bottom of the heat exchanger 18 passes through and extends to the bottom of the first connecting plate 23 , and the heat exchanger 18 and the first connecting plate 23 are fixedly connected.

[0035] Sealing plates 9 are fixedly connected to the left and right sides of the sheet metal frame 8. Both sealing plates 9 are provided with heat dissipation windows 10. Both sealing plates 9 are provided with two inlets and outlets 7. An inspection door 1 is hinged at the bottom of the front side of the sheet metal frame 8.

[0036] There are two sealing plates 9 in total, and each sealing plate 9 has two inlets and outlets 7. The electronic components can be transported from the left inlet and outlet 7 to the right inlet and outlet 7 or from the left inlet and outlet 7 to the right inlet and outlet 7. Both sides can realize the placing and taking functions.

[0037] The sheet metal frame 8 is fixedly connected with beams 6 on both sides, a top plate 14 is fixedly connected between the two beams 6, a hinged plate 15 is rotatably connected to the front side of the top plate 14, and an observation door 4 is rotatably connected to the front side of the hinged plate 15.

[0038] Track plates 3 are fixedly connected to the left and right sides of the inner wall of the sheet metal frame 8, and sliding grooves 2 are opened on the adjacent sides of the two track plates 3. The left and right sides of the observation door 4 are located in the sliding grooves 2. The observation door 4 is slidingly connected to the track plate 3, and a protective glass 5 is fixedly connected to the inner side of the observation door 4. Damping rods 11 are rotatably connected to the adjacent sides of the two cross beams 6, and the output ends of the two damping rods 11 are rotatably connected to the hinged plate 15.

[0039] The second drive motor 36 is fixedly connected to the top of the first side plate 24 and the second side plate 31 on the right side. The output end of the second drive motor 36 is fixedly connected to the hexagonal shaft 21. The two adjacent tension wheels 27 on the right side are sleeved on the surface of the hexagonal shaft 21.

[0040] There are two second drive motors 36 in total, and each second drive motor 36 is connected to a hexagonal shaft 21. The hexagonal shaft 21 first passes through the tensioning wheel 27 on the right side of the sliding frame 37, and then passes through the tensioning wheel 27 on the right side of the fixed frame 40. Finally, the hexagonal shaft 21 is rotationally connected to the fixed frame 40, so when the sliding frame 37 is adjusted in position, it will not affect the transmission work of the second drive motor 36 on the belts on the sliding frame 37 and the fixed frame 40.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electronic component preheating machine with a layered structure, comprising a sheet metal frame (8), characterized in that: Two fixing columns (13) are fixedly connected to the bottom of the inner wall of the sheet metal frame (8); a fixing plate (12) is fixedly connected between the tops of the two fixing columns (13); a second connecting plate (32) is fixedly connected to the top of the fixing plate (12); the second connecting plate (32) is fixedly connected to the second side plates (31) on both sides; first side plates (24) are fixedly connected to the upper center positions of the inner wall of the sheet metal frame (8) on both sides; a first connecting plate (23) is fixedly connected between the two first side plates (24); a first heating plate (30) is fixedly connected to the front center position of the top of the first connecting plate (23); a heat exchanger (18) is arranged at the bottom of the first heating plate (30); a second limiting seat (31) is fixedly connected to the top rear sides of the first side plate (24) and the second side plate (31) on the right side; 4), a third limiting seat (35) is provided on the front side of the second limiting seat (34) at the top of the first side plate (24) and the second side plate (31) on the right side, a second heating plate (33) is fixedly connected to the front center of the top of the second connecting plate (32), a first limiting seat (25) is fixedly connected to the rear side of the top of the first side plate (24) and the second side plate (31) on the left side, an adjustment mechanism is provided between the first limiting seat (25) and the third limiting seat (35), and the adjustment mechanism is used to adjust the spacing, a fourth limiting seat (41) is fixedly connected to the front side of the top of the two first side plates (24) and the two second side plates (31), a fixing frame (40) is fixedly connected between the two fourth limiting seats (41) adjacent to each other on the left and right, and two infrared thermometers (29) are fixedly connected to the top of the two fixing frames (40).

2. The electronic component preheating machine with a layered structure according to claim 1, characterized in that: The adjustment mechanism comprises two threaded rods (42), the two threaded rods (42) are rotatably connected to the first limit seat (25) and the third limit seat (35) respectively, the surfaces of the two threaded rods (42) are threadedly connected with nut pairs (26), a sliding frame (37) is fixedly connected between two adjacent nut pairs (26), the front side of the sliding frame (37) is fixedly connected with two sliders (38), the bottoms of the two sliders (38) are slidably connected with slide rails (39), the rear sides of the two second limit seats (34) are fixedly connected with the first drive motor (22), the first drive motor (22) is fixedly connected to the right threaded rod (42), the front side of the sliding frame (37) and the rear side of the fixed frame (40) are rotatably connected with two tensioning wheels (27), and a belt (28) is arranged between the two adjacent tensioning wheels (27) on the left and right.

3. The electronic component preheating machine with a layered structure according to claim 2, characterized in that: The bottoms of the two top slide rails (39) are respectively fixedly connected to the tops of the two first side panels (24), and the bottoms of the two bottom slide rails (39) are respectively fixedly connected to the tops of the two second side panels (31).

4. The electronic component preheating machine with a layered structure according to claim 1, characterized in that: The sheet metal frame (8) has feet (20) threadedly connected at the four corners of the bottom, the sheet metal frame (8) has four movable wheels (19) fixedly connected to the bottom, the sheet metal frame (8) has a lifting column (16) fixedly connected to the top, and a three-color warning light (17) fixedly connected to the top of the lifting column (16).

5. The electronic component preheating machine with a layered structure according to claim 1, characterized in that: The bottom of the heat exchanger (18) passes through and extends to the bottom of the first connecting plate (23), and the heat exchanger (18) and the first connecting plate (23) are fixedly connected.

6. The electronic component preheating machine with a layered structure according to claim 1, characterized in that: The sheet metal frame (8) is fixedly connected to sealing plates (9) on both sides, and both sealing plates (9) are provided with heat dissipation windows (10). Both sealing plates (9) are provided with two inlets and outlets (7), and an inspection door (1) is hinged at the bottom of the front side of the sheet metal frame (8).

7. The electronic component preheating machine with a layered structure according to claim 1, characterized in that: The sheet metal frame (8) is fixedly connected to cross beams (6) on both left and right sides, a top plate (14) is fixedly connected between the two cross beams (6), the front side of the top plate (14) is rotatably connected to a hinged plate (15), and the front side of the hinged plate (15) is rotatably connected to an observation door (4).

8. The electronic component preheating machine with a layered structure according to claim 7, characterized in that: The left and right sides of the inner wall of the sheet metal frame (8) are fixedly connected with track plates (3), and the adjacent sides of the two track plates (3) are provided with sliding grooves (2). The left and right sides of the observation door (4) are located in the sliding grooves (2). The observation door (4) is slidably connected to the track plate (3), and a protective glass (5) is fixedly connected to the inner side of the observation door (4). The adjacent sides of the two cross beams (6) are rotatably connected with damping rods (11), and the output ends of the two damping rods (11) are rotatably connected to the hinge plate (15).

9. The electronic component preheating machine with a layered structure according to claim 2, characterized in that: The first side plate (24) and the top of the second side plate (31) on the right side are both fixedly connected with a second drive motor (36), the output end of the second drive motor (36) is both fixedly connected with a hexagonal shaft (21), and the two tension wheels (27) adjacent to each other on the right side are both sleeved on the surface of the hexagonal shaft (21).

Images