Printed circuit board patch drying machine

Abstract

The utility model relates to the technical field of patch drying, in particular to a printed circuit board patch drying machine, which increases one-time processing quantity and improves production efficiency by placing circuit boards in multiple layers, and realizes continuous drying of the circuit boards by using a plurality of carts and drying other carts when the dried carts are cooled. The production efficiency is improved; comprising a body; the drying machine comprises a machine body and further comprises a drying box, a drying device, a cart, a moving device and a plurality of trays, the drying box and the drying device are both installed on the machine body, the cart is detachably installed on the drying box, and the moving device and the trays are all installed on the cart; the machine body provides support, the drying box keeps warm to increase the drying speed, the drying device enables hot air to circulate for drying, the cart bears the tray, the moving device enables the cart to be conveniently moved and fixed, and the tray bears the circuit board.

Description

Technical Field

[0001] The utility model relates to the technical field of patch drying, in particular to a printed circuit board patch dryer. Background Art

[0002] Integrated circuit boards are usually produced using the patch process. After the patching process is completed, the circuit boards need to be cured and dried to bond the components to the circuit board.

[0003] For example, in a class of existing technologies represented by the utility model patent of a drying device for patch integrated circuit processing and production with the publication number CN214637957U, its main structure includes a drying box, a cooling box, and a placement plate. The drying box dries the circuit board, the cooling box accelerates the cooling of the circuit board, and the placement plate places the circuit board.

[0004] However, the existing technical equipment still has the following problems when in use: the number of processed items at one time is small, resulting in low production efficiency, and when cooling, other circuit boards cannot be continuously dried, resulting in low production efficiency. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a printed circuit board patch dryer that increases the number of processed items at one time by placing circuit boards in multiple layers to improve production efficiency, and realizes continuous drying of circuit boards by using multiple trolleys to dry the remaining trolleys when the dried trolleys are cooling, thereby improving production efficiency.

[0006] A printed circuit board patch dryer of the utility model includes a fuselage; it also includes a drying box, a drying device, a trolley, a moving device, and a plurality of trays. The drying box and the drying device are both installed on the fuselage. The trolley is detachably installed on the drying box. The moving device and the plurality of trays are both installed on the trolley; the fuselage provides support, the drying box keeps warm to improve the drying speed, the drying device circulates hot air for drying, the trolley carries the trays, the moving device makes the trolley easy to move and fix, and the trays carry the circuit boards.

[0007] Preferably, the fuselage includes a bottom plate and a plurality of support seats, and the plurality of support seats are all installed at the top end of the bottom plate; to provide support.

[0008] Preferably, the drying box includes an outer box body, a heat insulation layer, an inner box body, two first guide rails, two horizontally mirror-symmetrical first brackets, two second brackets, and two handles. The outer box body is installed on the tops of multiple support seats, the heat insulation layer is installed on the inner side of the outer box body, the inner box body is installed on the inner side of the heat insulation layer. Multiple communicating ventilation openings are respectively arranged on the left and right side walls of the outer box body, the heat insulation layer, and the inner box body. The two first guide rails are respectively installed on the left and right side walls on the inner side of the inner box body. The two horizontally mirror-symmetrical first brackets are both installed at the front end of the inner box body, and mounting holes and baffles are arranged on both of the first brackets. Columnar protrusions are arranged at the rear ends of the two second brackets, and the two columnar protrusions are respectively rotatably installed in the two mounting holes. The two handles are respectively rotatably installed on one side of the front ends of the two second brackets away from the columnar protrusions; the heat insulation layer insulates the inner box body to improve the drying speed. The first brackets and the second brackets cooperate to lock the trolley, and the handles facilitate the rotation of the second brackets.

[0009] Preferably, the drying device includes a first air box, two second air boxes, multiple groups of third brackets, an electric heating plate, a dryer, and two groups of fans. The first air box and the two second air boxes are both installed on the tops of multiple support seats. An air duct is arranged on the first air box, and the two second air boxes are respectively installed on the outer sides of multiple ventilation openings. The first air box is installed on the outer sides of the two second air boxes. Multiple groups of third brackets are respectively installed on the two second air boxes. The electric heating plate is installed on the outer side of one second air box. The dryer is installed in the air duct. The two groups of fans are respectively rotatably installed on the multiple groups of third brackets; the rotation of the fans enables the air to circulate in the outer box body and the first air box. The electric heating plate heats the air, and the dryer dries the air.

[0010] Preferably, the trolley includes two second guide rails, a fourth bracket, a fifth bracket, two sixth brackets, a first handle, and multiple seventh brackets. The two second guide rails are respectively slidably installed on the two first guide rails. The fourth bracket is installed at the front ends of the two second guide rails. The fifth bracket is installed at the bottom end of the fourth bracket. The two sixth brackets are both installed at the front end of the fourth bracket. The first handle is installed on the two sixth brackets. The multiple seventh brackets are stacked and installed at the top end of the fifth bracket, and chutes are arranged on all of the multiple seventh brackets; the first handle facilitates the pushing or dragging of the fourth bracket, and the seventh brackets carry the trays.

[0011] Preferably, the mobile device includes two groups of brackets eight, two groups of brackets nine, two groups of rotating shafts one, multiple rollers, two brackets ten, two rotating shafts two and two brackets eleven. The two groups of brackets eight are rotatably installed at the bottom end of the bracket five. The bottom ends of the two groups of brackets eight are provided with mounting grooves. The two groups of brackets nine are respectively installed in the two groups of mounting grooves, and the bottoms of the two groups of brackets nine are provided with mounting holes two. Multiple rollers are respectively rotatably installed in the two groups of mounting holes two through two rotating shafts one. The two brackets ten are installed at the bottom end of the front part of the bracket five, and the bottoms of the two brackets ten are provided with mounting holes three. The two rollers are respectively rotatably installed in the two mounting holes three through two rotating shafts two, and the two brackets eleven are respectively rotatably installed on the two rotating shafts two; the bracket eight enables the bracket nine to rotate freely, thereby improving the overall controllability. After reaching the specified position, the bracket eleven can be rotated to lift the bracket ten off the ground, thereby fixing the position of the bracket five.

[0012] Preferably, the tray includes a tray body, a bracket twelve and two handles two, the bracket twelve is installed at the right end of the tray body, the two handles two are installed at the left end of the bracket twelve, the two handles two are respectively located at the front and rear sides of the tray body, and the tray body is made of a high specific heat capacity and high thermal conductivity material, the bracket twelve is made of a low thermal conductivity material, and the two handles two are made of a low specific heat capacity and high thermal conductivity material; the tray carries a circuit board, and materials with different thermal conductivities and densities are used to slowly cool the tray body, the bracket twelve reduces heat transfer, and the handles two cool quickly, so that the circuit board is cooled more evenly, and the handles two are convenient for quick grabbing.

[0013] Compared with the prior art, the utility model has the following beneficial effects: multiple circuit boards can be processed with high production efficiency; multiple carts can be used for rotation drying to improve machine utilization efficiency; and the trays are made of a variety of materials with different specific heat capacities and thermal conductivities to achieve consistent temperatures at all locations on the circuit board during drying, thereby improving drying quality and allowing the handle to cool quickly when taken out to reduce burns. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric cross-section structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the fuselage;

[0017] Figure 4 It is a schematic diagram of the axonometric section structure of the drying box;

[0018] Figure 5 It is a schematic diagram of the axonometric section structure of the drying device;

[0019] Figure 6 It is a schematic diagram of the axonometric section structure of the cart;

[0020] Figure 7 It is a schematic left view structure diagram of a mobile device;

[0021] Figure 8 It is a schematic top view structure diagram of a tray.

[0022] Reference numerals in the drawings: 01, fuselage; 11, bottom plate; 12, support base; 02, drying box; 21, outer box body; 22, heat insulation layer; 23, inner box body; 24, guide rail 1; 25, support 1; 26, support 2; 27, handle; 03, drying device; 31, air box 1; 32, air box 2; 33, support 3; 34, electric heating plate; 35, dryer; 36, fan; 04, trolley; 41, guide rail 2; 42, support 4; 43, support 5; 44, support 6; 45, handle 1; 46, support 7; 05, mobile device; 51, support 8; 52, support 9; 53, rotating shaft 1; 54, roller; 55, support 10; 56, rotating shaft 2; 57, support 11; 06, tray; 61, tray body; 62, support 12; 63, handle 2. Detailed implementation manners

[0023] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present invention is more thorough and comprehensive.

[0024] A printed circuit board patch dryer of the present utility model includes a body 01; it further includes a drying box 02, a drying device 03, a trolley 04, a moving device 05 and a plurality of trays 06. The drying box 02 and the drying device 03 are both installed on the body 01. The trolley 04 is detachably installed on the drying box 02. The moving device 05 and the plurality of trays 06 are both installed on the trolley 04. The body 01 provides support. The drying box 02 keeps warm to improve the drying speed. The drying device 03 circulates hot air for drying. The trolley 04 carries the trays 06. The moving device 05 makes the trolley 04 convenient to move and fix. The trays 06 carry the circuit boards. The body 01 includes a bottom plate 11 and a plurality of support seats 12. The plurality of support seats 12 are all installed at the top end of the bottom plate 11. The drying box 02 includes an outer box body 21, a heat insulation layer 22, an inner box body 23, two guide rails one 24, two horizontally mirror-symmetrical brackets one 25, two brackets two 26 and two handles 27. The outer box body 21 is installed at the top ends of the plurality of support seats 12. The heat insulation layer 22 is installed inside the outer box body 21. The inner box body 23 is installed inside the heat insulation layer 22. A plurality of communicating ventilation openings are respectively arranged on the left and right side walls of the outer box body 21, the heat insulation layer 22 and the inner box body 23. The two guide rails one 24 are respectively installed on the left and right side walls inside the inner box body 23. The two horizontally mirror-symmetrical brackets one 25 are both installed at the front end of the inner box body 23, and both of the two brackets one 25 are provided with mounting holes and baffles. Columnar protrusions are arranged at the rear ends of the two brackets two 26. The two columnar protrusions are respectively rotatably installed in the two mounting holes. The two handles 27 are respectively rotatably installed on one side of the front ends of the two brackets two 26 away from the columnar protrusions. The drying device 03 includes a wind box one 31, two wind boxes two 32, multiple groups of brackets three 33, an electric heating plate 34, a dryer 35 and two groups of fans 36. The wind box one 31 and the two wind boxes two 32 are both installed at the top ends of the plurality of support seats 12. A wind channel is arranged on the wind box one 31, and the two wind boxes two 32 are respectively installed outside the plurality of ventilation openings. The wind box one 31 is installed outside the two wind boxes two 32. The multiple groups of brackets three 33 are respectively installed on the two wind boxes two 32. The electric heating plate 34 is installed outside one of the wind boxes two 32. The dryer 35 is installed in the wind channel. The two groups of fans 36 are respectively rotatably installed on the multiple groups of brackets three 33. The trolley 04 includes two groups of guide rails two 41, a bracket four 42, a bracket five 43, two brackets six 44, a handle one 45 and a plurality of brackets seven 46. The two groups of guide rails two 41 are respectively slidably installed on the two guide rails one 24. The bracket four 42 is installed at the front ends of the two groups of guide rails two 41. The bracket five 43 is installed at the bottom end of the bracket four 42. The two brackets six 44 are both installed at the front end of the bracket four 42. The handle one 45 is installed on the two brackets six 44. The plurality of brackets seven 46 are stacked and installed at the top end of the bracket five 43, and chutes are arranged on the plurality of brackets seven 46.The mobile device 05 includes two sets of brackets A51, two sets of brackets B52, two sets of rotating shafts 153, multiple rollers 54, two brackets C55, two rotating shafts 256, and two brackets D57. The two sets of brackets A51 are rotatably installed at the bottom end of the bracket E43. Installation grooves are provided at the bottom ends of the two sets of brackets A51. The two sets of brackets B52 are respectively installed in the two installation grooves, and installation holes 2 are provided at the bottoms of the two sets of brackets B52. The multiple rollers 54 are respectively rotatably installed in the two installation holes 2 through the two rotating shafts 153. The two brackets C55 are both installed at the front bottom end of the bracket E43, and installation holes 3 are provided at the bottoms of the two brackets C55. The two rollers 54 are respectively rotatably installed in the two installation holes 3 through the two rotating shafts 256. The two brackets D57 are respectively rotatably installed on the two rotating shafts 256; The tray 06 includes a tray body 61, a bracket F62, and two handles 263. The bracket F62 is installed at the right end of the tray body 61. The two handles 263 are both installed at the left end of the bracket F62. The two handles 263 are respectively located on the front and back sides of the tray body 61. The tray body 61 is made of a material with high specific heat capacity and high thermal conductivity. The bracket F62 is made of a material with low thermal conductivity. The two handles 263 are made of a material with low specific heat capacity and high thermal conductivity.

[0025] As Figures 1 to 8 shown, for a printed circuit board patch dryer of the present utility model, during operation, first place the circuit board to be dried in the tray body 61, then insert the tray body 61 into the bracket G46 layer by layer. After that, rotate the bracket D57 to lower the rotating shaft 256 to contact the ground. Then push the trolley 04 into the inner box body 23. After that, rotate the bracket 226 to lock the trolley 04. Then turn on the electric heating plate 34, the dryer 35, and the fan 36 to circulate and dry-heat the air in the inner box body 23, the air box 131, and the air box 232. After the circuit board is dried, rotate the bracket 226 to release the trolley 04. Then push the trolley 04 to one side and place it. Then rotate the bracket D57 to lift the rotating shaft 256 off the ground and fix the trolley 04. After cooling, take out the tray body 61 and take out the circuit board.

[0026] The electric heating plate 34, the dryer 35, and the fan 36 of the present utility model are purchased on the market. Those skilled in the art only need to install and operate them according to the attached user manual, without the need for creative labor from those skilled in the art.

[0027] The main functions achieved by the present utility model are: increasing the number of circuit boards processed at one time by placing them in multiple layers, improving production efficiency, and drying the remaining trolleys while the dried trolleys are cooling by using multiple trolleys, realizing continuous drying of the circuit boards and improving production efficiency; solving the existing technical problems of low production efficiency due to the small number of circuit boards processed at one time and the inability to continuously dry other circuit boards during cooling.

[0028] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A printed circuit board patch drying machine, comprising a body (01); characterized in that: The invention also comprises a drying box (02), a drying device (03), a trolley (04), a mobile device (05) and a plurality of trays (06); the drying box (02) and the drying device (03) are both mounted on the machine body (01); the trolley (04) is detachably mounted on the drying box (02); the mobile device (05) and the plurality of trays (06) are both mounted on the trolley (04); the machine body (01) provides support; the drying box (02) keeps warm to increase the drying speed; the drying device (03) circulates hot air for drying; the trolley (04) carries the trays (06); the mobile device (05) makes it easy to move and fix the trolley (04); and the trays (06) carry the circuit boards.

2. A printed circuit board patch drying machine as claimed in claim 1, characterized in that: The fuselage (01) comprises a bottom plate (11) and a plurality of support seats (12), wherein the plurality of support seats (12) are all mounted on the top of the bottom plate (11).

3. A printed circuit board patch drying machine as claimed in claim 2, characterized in that: The drying box (02) comprises an outer box body (21), a heat-insulating layer (22), an inner box body (23), two guide rails (24), two horizontal mirror-symmetrical brackets (25), two brackets (26) and two handles (27); the outer box body (21) is mounted on the top of a plurality of support seats (12); the heat-insulating layer (22) is mounted on the inner side of the outer box body (21); the inner box body (23) is mounted on the inner side of the heat-insulating layer (22); and the left and right side walls of the outer box body (21), the heat-insulating layer (22) and the inner box body (23) are A plurality of communicating ventilating openings are respectively provided, two guide rails (24) are respectively installed on the left and right side walls inside the inner box body (23), two horizontally mirror-symmetrical brackets (25) are both installed at the front end of the inner box body (23), and the two brackets (25) are both provided with mounting holes and baffles, the rear ends of the two brackets (26) are both provided with columnar protrusions, the two columnar protrusions are respectively rotatably installed in the two mounting holes, and the two handles (27) are respectively rotatably installed on the front ends of the two brackets (26) away from the columnar protrusions.

4. A printed circuit board patch drying machine as claimed in claim 3, characterized in that: The drying device (03) comprises a bellows 1 (31), two bellows 2 (32), a plurality of brackets 3 (33), an electric heating plate (34), a dryer (35) and two sets of fans (36); the bellows 1 (31) and the two bellows 2 (32) are all mounted on the top of a plurality of support seats (12); an air duct is arranged on the bellows 1 (31), and the two bellows 2 (32) are respectively mounted on the outside of a plurality of vents; the bellows 1 (31) is mounted on the outside of the two bellows 2 (32); the plurality of brackets 3 (33) are respectively mounted on the two bellows 2 (32); the electric heating plate (34) is mounted on the outside of one bellows 2 (32); the dryer (35) is mounted in the air duct; and the two sets of fans (36) are respectively rotatably mounted on the plurality of brackets 3 (33).

5. A printed circuit board patch drying machine as claimed in claim 3, characterized in that: The cart (04) comprises two sets of guide rails 2 (41), a bracket 4 (42), a bracket 5 (43), two brackets 6 (44), a handle 1 (45) and a plurality of brackets 7 (46). The two sets of guide rails 2 (41) are respectively slidably mounted on the two guide rails 1 (24), the bracket 4 (42) is mounted on the front end of the two sets of guide rails 2 (41), the bracket 5 (43) is mounted on the bottom end of the bracket 4 (42), the two brackets 6 (44) are both mounted on the front end of the bracket 4 (42), the handle 1 (45) is mounted on the two brackets 6 (44), the plurality of brackets 7 (46) are stacked and mounted on the top end of the bracket 5 (43), and the plurality of brackets 7 (46) are all provided with slide grooves.

6. A printed circuit board patch drying machine as claimed in claim 5, characterized in that: The mobile device (05) comprises two groups of brackets eight (51), two groups of brackets nine (52), two groups of rotating shafts one (53), a plurality of rollers (54), two brackets ten (55), two rotating shafts two (56) and two brackets eleven (57). The two groups of brackets eight (51) are both rotatably mounted on the bottom end of the bracket five (43). The bottom ends of the two groups of brackets eight (51) are both provided with mounting grooves. The two groups of brackets nine (52) are respectively mounted in the two groups of mounting grooves, and the bottoms of the two groups of brackets nine (52) are both provided with mounting holes two. The plurality of rollers (54) are respectively rotatably mounted in the two groups of mounting holes two through the two rotating shafts one (53). The two brackets ten (55) are both mounted on the bottom end of the front part of the bracket five (43), and the bottoms of the two brackets ten (55) are both provided with mounting holes three. The two rollers (54) are respectively rotatably mounted in the two mounting holes three through the two rotating shafts two (56). The two brackets eleven (57) are respectively rotatably mounted on the two rotating shafts two (56).

7. A printed circuit board patch drying machine as claimed in claim 5, characterized in that: The tray (06) comprises a tray body (61), a bracket twelve (62) and two handles two (63), wherein the bracket twelve (62) is mounted on the right end of the tray body (61), and the two handles two (63) are both mounted on the left end of the bracket twelve (62), and the two handles two (63) are respectively located at the front and rear sides of the tray body (61), and the tray body (61) is made of a material with high specific heat capacity and high thermal conductivity, the bracket twelve (62) is made of a material with low thermal conductivity, and the two handles two (63) are made of a material with low specific heat capacity and high thermal conductivity.

Images