Efficient drying equipment for PCB (Printed Circuit Board)

Abstract

The invention relates to the technical field of circuit board production, and discloses efficient PCB drying equipment which comprises a drying box, a supporting plate is fixedly arranged on the inner side of the drying box, and material passing openings are formed in the inner side of the supporting plate and distributed in an annular array mode; the box cover is arranged at the top of the supporting plate and is driven by external force to seal and open the material passing opening; the clamping assemblies are used for clamping the PCBs and are distributed in the drying box in an annular array mode, and the clamping assemblies are driven by external force to rotate and used for throwing away liquid on the surfaces of the PCBs; and the lifting assembly is used for driving the clamping assembly to drive the PCB to move towards the inner side of the material passing opening. According to the efficient drying equipment for the PCB, the problems that in the prior art, in the whole drying process, the PCB is in a static state, moisture on the surface cannot be rapidly removed easily, the drying time is prolonged, and the drying efficiency is reduced can be effectively solved.

Description

Technical Field

[0001] The invention relates to the technical field of circuit board production, and in particular to a high-efficiency drying device for a PCB circuit board. Background Art

[0002] PCB circuit board drying refers to the process of removing moisture and curing the completed PCB board through heating and ventilation during the circuit board manufacturing process. This step helps to ensure the quality and performance of the PCB board and prevent problems caused by moisture. Common drying methods include hot air oven, infrared drying and hot plate drying. The specific drying time and temperature will depend on the material and thickness of the PCB board and the manufacturing process requirements.

[0003] After the traditional PCB circuit board is etched, the circuit board needs to be thoroughly cleaned first, and a special cleaning agent or mild detergent is used to remove the residue and impurities on the circuit board, and then the subsequent drying process is carried out; when using a hot air oven for drying, the circuit board needs to be placed on the support structure in a multi-layer distribution, and then the support structure carrying the circuit board is pushed into the drying box, and the hot air is used to pass through the multi-layer gaps to achieve the drying effect. After the drying is completed, the dried circuit board is taken out and reloaded; during the entire drying process, the PCB circuit board is in a static state, which is not conducive to the rapid removal of surface moisture, thereby increasing the drying time and reducing the drying efficiency. Summary of the invention

[0004] Technical issues solved

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a high-efficiency PCB circuit board drying device, which can effectively solve the problem in the prior art that the PCB circuit board is in a static state during the entire drying process, which is not conducive to the rapid removal of surface moisture, thereby increasing the drying time and reducing the drying efficiency.

[0006] Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] The present invention provides a PCB circuit board high-efficiency drying device, comprising:

[0009] A drying box, wherein a support plate is fixedly arranged inside the drying box, and a material through hole is opened inside the support plate, and the material through hole is distributed in a ring array;

[0010] A box cover is arranged on the top of the support plate and is driven by an external force to seal and open the material passage opening;

[0011] Clamping components, used for clamping the PCB board, are distributed in the drying box in a circular array, and the clamping components are driven to rotate by an external force to throw away the liquid on the surface of the PCB board;

[0012] The lifting assembly is used to drive the clamping assembly to move the PCB board toward the inside of the material passage;

[0013] The lifting assembly includes a support plate, a plurality of clamping assemblies are arranged on the outer side of the support plate, a slip ring C is rotatably arranged on the outer side of the support plate, and the slip ring C is driven by the driving force at the bottom to drive the support plate to lift and lower.

[0014] Furthermore, the clamping assembly includes a stabilizing frame, a limit rod is fixedly arranged at the bottom of the stabilizing frame, a lifting plate is slidably arranged outside the limit rod, and a clamping plate for stabilizing the PCB board is arranged on the top of the lifting plate;

[0015] The lifting plate is driven by the slip ring C to slide along the limiting rod.

[0016] Furthermore, it also includes a rotating disk, a driving shaft is fixedly arranged inside the rotating disk, the driving shaft is rotatably arranged inside the drying box, and the rotating disk is fixedly connected to the stabilizing frames distributed in a ring array;

[0017] The support plate is fixedly connected to the lifting plates distributed in a ring array, and the support plate is slidably installed on the outside of the driving shaft along the axial direction.

[0018] Furthermore, the two ends of the driving shaft are rotatably mounted on the drying box and the support plate respectively, a support cylinder is fixedly arranged on the top of the support plate, and a sliding hole A is opened on the side wall of the support cylinder;

[0019] The inner side of the box cover is provided with a plurality of through holes A corresponding to the material passing opening, the bottom of the box cover is located between two adjacent through holes A to form a sealing portion, the box cover is sleeved on the outer side of the support tube, and a sliding pin A is slidably provided on the inner side of the box cover;

[0020] The box cover is driven by an external force to drive the sliding pin A to slide along the sliding hole A, and the sliding hole A includes a vertical section and an inclined section located at the top of the vertical section.

[0021] Furthermore, it also includes a wedge block B for clamping the clamping plate to clamp the PCB board, and a guide rail is slidably arranged on the outer side of the wedge block B, and the guide rail is located on the top of the lifting plate;

[0022] Wherein, a wedge block A is fixedly arranged on the outer side of the clamping plate corresponding to the wedge block B, and the wedge block B is pressed against the clamping plate by its own gravity.

[0023] Furthermore, an adsorption piece is fixedly provided on the inner side of the support plate, and the adsorption piece is located on both sides of the feed port, and is used to adsorb the wedge-shaped block B after it rises to a certain height, and an adsorption block is fixedly provided on the outer side of the wedge-shaped block B corresponding to the adsorption piece.

[0024] Furthermore, a sliding hole B is opened on one side of the stabilizing frame, a transverse roller B is arranged inside the sliding hole B, a sliding rod is slidably arranged on the side of the stabilizing frame away from the transverse roller B, and a transverse roller A is arranged inside the sliding rod.

[0025] Furthermore, it also includes an adjustment component for adjusting the distance between the slide bar and the transverse roller B; the adjustment component includes an annular plate rotatably mounted on the top of the rotating disk, and a push-pull rod is arranged on the top of the annular plate corresponding to the slide bar annular array, and the push-pull rod is driven by the annular plate to push the slide bar to slide;

[0026] Wherein, an electric device for driving the annular plate to rotate is fixedly arranged on the outer side of the rotating disk.

[0027] Furthermore, it also includes a support wheel for supporting the bottom of the PCB board, the support wheel is rotatably arranged inside the wheel frame, the wheel frame is fixedly arranged at the bottom of the guide rail, a slider C is fixedly arranged at the bottom of the wheel frame, the slider C is slidably arranged outside the guide rod, and the slider C is moved closer to the center direction of the rotating disk under the action of external force;

[0028] Wherein, a longitudinal roller is arranged on one side of the clamping plate close to the PCB board.

[0029] Furthermore, the guide rod is fixedly arranged on the top of the lifting plate through a fixing seat, and the guide rod is arranged tilted downward in a direction close to the inner wall of the drying box;

[0030] The transverse roller B is slidably arranged inside the sliding hole B, and the transverse roller B is moved closer to the outside of the PCB board under the elastic force.

[0031] Beneficial Effects

[0032] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0033] The present invention is provided with a lifting component to drive the clamping component to be in a material receiving state. After receiving the material, the lifting component drives the clamping component to reset to a drying state, so that the clamping component automatically clamps the PCB board to ensure the stability of the PCB board during rotation; and the centrifugal force generated by the rotation is used to quickly remove moisture from the surface of the PCB board, thereby reducing the time required for moisture removal and improving the drying efficiency. In order to further ensure that the PCB board can be quickly dehydrated, the clamping component can be tilted inside the drying box so that the PCB board is kept in an inclined state under the action of the clamping component, and rotating in the inclined state can also make both sides of the PCB board fully contact with hot air; after drying, the clamping component can be automatically released from the PCB board when it is pushed to the material receiving state by the lifting component, so that the dried PCB board is convenient for unloading and subsequent loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the present invention;

[0036] Figure 2 It is a structural schematic diagram of an embodiment of the present invention;

[0037] Figure 3 This is a schematic diagram of the structure inside the drying box according to an embodiment of the present invention;

[0038] Figure 4 It is a schematic diagram of the assembly structure of the lifting assembly and the clamping assembly according to an embodiment of the present invention;

[0039] Figure 5 It is a schematic structural diagram of a clamping assembly and a rotating disk according to an embodiment of the present invention;

[0040] Figure 6 This is a schematic diagram of the structure of a support plate according to an embodiment of the present invention;

[0041] Figure 7 This is a schematic diagram of the structure of a box cover according to an embodiment of the present invention;

[0042] Figure 8 It is a structural schematic diagram of a lifting assembly according to an embodiment of the present invention;

[0043] Fig. 9 It is a structural schematic diagram of an adjustment component according to an embodiment of the present invention;

[0044] Fig.10It is a schematic diagram of the three-dimensional structure of the clamping assembly according to an embodiment of the present invention;

[0045] Fig.11 It is a front view structural schematic diagram of a clamping assembly according to an embodiment of the present invention;

[0046] Fig.12 It is a schematic diagram of the exploded structure of the stabilizing frame in the clamping assembly according to an embodiment of the present invention;

[0047] Fig.13 Schematic diagram of the structure of the transverse roller B in the clamping assembly of an embodiment of the present invention;

[0048] Fig.14 It is a schematic diagram of the structure of a clamping plate in a clamping assembly according to an embodiment of the present invention;

[0049] Fig.15 It is a schematic diagram of the assembly structure of the support wheel in the clamping assembly according to an embodiment of the present invention.

[0050] The numbers in the figure represent: 100, PCB board;

[0051] 1. Drying box; 11. Support plate; 12. Material port; 13. Support cylinder; 14. Slide hole A; 15. Adsorption element; 16. Hot air duct; 17. Air inlet pipe; 18. Water baffle; 19. Guide surface; 110. Output pipe;

[0052] 2. Box cover; 21. Through hole A; 22. Through hole B; 23. Sliding pin A; 24. Slip ring A; 25. Slip ring B; 26. Hydraulic push rod A;

[0053] 3. Clamping assembly; 31. Stabilizing frame; 311. Limiting rod; 312. Bottom plate; 313. Adjusting hole; 314. Sliding hole B; 32. Lifting plate; 33. Clamping plate; 331. Longitudinal roller; 332. Wedge block A; 333. Sliding block A; 34. Sliding rod; 341. Transverse roller A; 35. Transverse roller B; 351. Sliding block B; 352. Spring A; 353. Fixed plate; 36. Wedge block B; 361. Adsorption block; 37. Guide rail; 371. Slide groove; 372. Ball bearing; 373. Wheel frame; 374. Sliding block C; 38. Support wheel; 39. Guide rod; 391. Fixed seat; 392. Spring B;

[0054] 4. Lifting assembly; 41. Support plate; 42. Slip ring C; 43. Hydraulic push rod B;

[0055] 5. rotating disk; 51. driving shaft; 52. arc hole; 53. motor;

[0056] 6. Adjustment assembly; 61. Ring plate; 62. Limit hole; 63. Sliding pin B; 64. Push-pull rod; 65. Connecting rod; 66. Electric push rod. DETAILED DESCRIPTION

[0057] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0058] The present invention will be further described below in conjunction with the embodiments.

[0059] Example:

[0060] See also Figure 1-Figure 15 The present invention provides a technical solution: a PCB circuit board high-efficiency drying device, comprising:

[0061] A drying box 1, a support plate 11 is fixedly arranged inside the drying box 1, a material through hole 12 is opened inside the support plate 11, and the material through hole 12 is distributed in a ring array;

[0062] The box cover 2 is arranged on the top of the support plate 11 and is driven by an external force to seal and open the material passage 12;

[0063] The clamping components 3 are used to clamp the PCB board 100 and are distributed in the drying box 1 in a circular array. The clamping components 3 are driven by an external force to rotate and are used to remove the liquid on the surface of the PCB board 100;

[0064] The lifting assembly 4 is used to drive the clamping assembly 3 to drive the PCB board 100 to move toward the inner side of the material passage 12;

[0065] Among them, the lifting component 4 includes a support plate 41, a plurality of clamping components 3 are arranged on the outside of the support plate 41, a slip ring C42 is rotatably arranged on the outside of the support plate 41, and the slip ring C42 drives the support plate 41 to rise and fall under the driving force from the bottom; specifically, the present invention adopts a hydraulic push rod B43 as the power source of the slip ring C42, and the hydraulic push rod B43 is fixedly arranged at the bottom of the drying box 1.

[0066] The clamping assembly 3 includes a stabilizing frame 31, a limiting rod 311 is fixedly arranged at the bottom of the stabilizing frame 31, a bottom plate 312 is fixedly arranged at the bottom of the limiting rod 311, a lifting plate 32 is slidably arranged on the outer side of the limiting rod 311, and a clamping plate 33 for stabilizing the PCB board 100 is arranged on the top of the lifting plate 32; wherein the lifting plate 32 is driven by the slip ring C42 to slide along the limiting rod 311.

[0067] It also includes a rotating disk 5, a driving shaft 51 is fixedly arranged on the inner side of the rotating disk 5, a motor 53 is arranged on the top of the driving shaft 51, the motor 53 is fixedly arranged on the top of the supporting plate 11, the driving shaft 51 is rotatably arranged inside the drying box 1, and the rotating disk 5 is fixedly connected to the stabilizing frame 31 distributed in a circular array; wherein the supporting disk 41 is fixedly connected to the lifting plate 32 distributed in a circular array, and the supporting disk 41 is slidably installed on the outside of the driving shaft 51 along the axial direction.

[0068] The two ends of the driving shaft 51 are rotatably mounted with the drying box 1 and the support plate 11 respectively. A support cylinder 13 is fixedly arranged on the top of the support plate 11, and a sliding hole A14 is provided on the side wall of the support cylinder 13. A plurality of through holes A21 are provided on the inner side of the box cover 2 corresponding to the material passage 12. The bottom of the box cover 2 is located between two adjacent through holes A21 to form a sealing portion. The box cover 2 is sleeved on the outer side of the support cylinder 13, and a sliding pin A23 is slidably provided on the inner side of the box cover 2.

[0069] Among them, a slip ring A24 is arranged on the inner side of the support plate 11, and the slip ring A24 is fixedly connected to the other end of the sliding pin A23. A slip ring B25 is rotatably arranged on the outer side of the slip ring A24. A hydraulic push rod A26 is arranged on the top of the slip ring B25. The hydraulic push rod A26 is fixedly arranged on the top of the support plate 11. The sliding hole A14 includes a vertical section and an inclined section located at the top of the vertical section, so that when the hydraulic push rod A26 drives the box cover 2 to move upward, the sealing part at the bottom is first disengaged from the material port 12, and then deflected along the inclined section of the sliding hole A14, so that the box cover 2 drives the through hole A21 to be vertically aligned with the material port 12, so as to ensure that the PCB board 100 inside the drying box 1 can be located at the material port 12 and the inner side of the material port 12 for loading and unloading respectively under the drive of the lifting component 4.

[0070] It also includes a wedge block B36 for clamping the clamping plate 33 to clamp the PCB board 100. A guide rail 37 is slidably arranged on the outer side of the wedge block B36. The guide rail 37 is located on the top of the lifting plate 32. A slide groove 371 is provided on the side of the guide rail 37 close to the wedge block B36. A ball 372 is arranged on the inner side of the slide groove 371 to reduce the sliding resistance between the wedge block B36 and the guide rail 37. A wedge block A332 is fixedly arranged on the outer side of the clamping plate 33 corresponding to the wedge block B36, and the clamping plate 33 is clamped by the weight of the wedge block B36. A slider A333 is fixedly arranged on the bottom of the clamping plate 33.

[0071] An adsorption member 15 is fixedly provided on the inner side of the support plate 11. The adsorption member 15 is located on both sides of the material passage 12 and is used to adsorb the wedge block B36 after it rises to a certain height. An adsorption block 361 is fixedly provided on the outer side of the wedge block B36 corresponding to the adsorption member 15. A through hole B22 is opened on the inner side of the box cover 2 corresponding to the adsorption member 15.

[0072] A sliding hole B314 is provided on one side of the stabilizing frame 31, a transverse roller B35 is arranged inside the sliding hole B314, a sliding rod 34 is slidingly arranged on the side of the stabilizing frame 31 away from the transverse roller B35, a transverse roller A341 is arranged inside the sliding rod 34; adjustment holes 313 for slidingly installing the sliding rod 34 are provided on both sides of the stabilizing frame 31.

[0073] It also includes an adjustment component 6 for adjusting the distance between the slide bar 34 and the transverse roller B35; the adjustment component 6 includes an annular plate 61 rotatably installed on the top of the rotating disk 5, a push-pull rod 64 is arranged on the top of the annular plate 61 corresponding to the annular array of the slide bar 34, a limiting hole 62 is provided on the inner side of the annular plate 61 corresponding to the push-pull rod 64, a sliding pin B63 is slidably provided on the inner side of the limiting hole 62, the sliding pin B63 is fixedly connected to one end of the push-pull rod 64, and the other end of the push-pull rod 64 is fixedly connected to the slide bar 34; wherein, a connecting rod 65 is rotatably provided at a position deviating from the axis at the bottom of the annular plate 61 through a pin column, an electric push rod 66 is rotatably provided at the other end of the connecting rod 65, the electric push rod 66 is fixedly provided at the bottom of the rotating disk 5, and an arc hole 52 is provided on the inner side of the rotating disk 5 corresponding to the pin column.

[0074] It also includes a support wheel 38 for supporting the bottom of the PCB board 100, the support wheel 38 is rotatably set on the inner side of the wheel frame 373, the wheel frame 373 is fixedly set at the bottom of the guide rail 37, the wheel frame 373 is slidably connected with the clamping plate 33 through the slider A333, and a slider C374 is fixedly set at the bottom of the wheel frame 373, and the slider C374 is slidably set on the outside of the guide rod 39; after the drying is completed, the slider C374 is affected by the elastic force of the spring B392 and approaches the center of the rotating disk 5; wherein, a longitudinal roller 331 is set on the side of the clamping plate 33 close to the PCB board 100.

[0075] The guide rod 39 is fixed on the top of the lifting plate 32 through a fixed seat 391, and the guide rod 39 is tilted downward in the direction close to the inner wall of the drying box 1; wherein, sliders B351 are rotatably set at both ends of the transverse roller B35, and the sliders B351 are slidably set on the inner side of the slide hole B314, and springs A352 are fixedly set on the side of the sliders B351 at both ends away from the PCB board 100, and a fixing plate 353 is fixedly set on the other end of the spring A352, and the fixing plate 353 is fixedly set on the outside of the stabilizing frame 31.

[0076] Principles and advantages of PCB circuit board efficient drying equipment:

[0077] First, when loading, the box cover 2 is located at the highest point under the drive of the hydraulic push rod A26, the sealing part at the bottom of the box cover 2 deviates from the material opening 12, and the through hole A21 on the inner side of the box cover 2 is in a vertical alignment with the material opening 12 on the inner side of the support plate 11. At this time, the lifting plate 32 drives the clamping plate 33 to be located at the upper material receiving position, and then the connecting rod 65 is pushed by the electric push rod 66 at the bottom of the rotating disk 5, so that the connecting rod 65 pushes the pin at the bottom of the annular plate 61 to slide along the arc hole 52. Since the arc hole 52 is concentrically arranged with the rotating disk 5, the annular plate 61 is driven to rotate, so that the annular plate 61 squeezes and pushes the push-pull rod 64 through the inner limiting hole 62, so that the push-pull rod 64 pushes and pulls the slide bar 34 to slide along the adjustment hole 313, thereby adjusting the distance between the transverse roller A341 and the transverse roller B35.

[0078] Then, the PCB board 100 is placed between each group of clamping plates 33 through the through hole A21 and the material passage 12. After the loading is completed, the slip ring C42 is driven downward by the hydraulic push rod B43, so that the slip ring C42 drives the lifting plate 32 outside the support plate 41 to slide downward to the lowest point along the limit rod 311, and then the box cover 2 is driven downward by the hydraulic push rod A26, so that the box cover 2 drives the sliding pin A23 to move downward and deflect along the inclined section of the sliding hole A14, and finally the sealing part at the bottom of the box cover 2 cooperates with the support plate 11 to achieve the sealing of the drying box 1; it should be noted that when the clamping plate 33 is at the material receiving position, the clamping plate 33 is The wedge block B36 on the outside of the plate 33 is attracted by the adsorption member 15 on the inside of the support plate 11 and slides upward along the guide rail 37, so that the wedge block B36 releases the squeeze on the clamping plate 33, and then the clamping plate 33 keeps the material receiving state before loading (that is, a group of clamping plates 33 in each clamping assembly 3 is not squeezed by the wedge block B36). When the hydraulic push rod B43 drives the lifting plate 32 to slide downward to move the clamping plate 33 downward, the adsorption member 15 automatically releases the adsorption state of the adsorption block 361, so that the wedge block B36 moves downward by its own gravity, wherein the adsorption member 15 is an adsorption device based on the principle of electromagnetic adsorption, which will not be described in detail here;

[0079] Finally, the motor 53 on the top of the support plate 11 is started to drive the drive shaft 51 to rotate, so that the drive shaft 51 drives the stabilizing frame 31 on the outside of the rotating disk 5 to rotate, and the stabilizing frame 31 drives the PCB board 100 to rotate through the clamping plate 33, so that most of the moisture on the outside of the PCB board 100 can be separated by the centrifugal force generated by the rotation during drying. At the same time, hot air enters the interior of the hot air duct 16 through the air inlet pipe 17, and is discharged through the air outlet on the inside of the drying box 1, so that the temperature inside the drying box 1 is increased for drying, and a water baffle 18 is fixedly provided on the inside of the drying box 1 corresponding to each air outlet to prevent the PCB board 100 from being dehydrated by centrifugal force. The moisture is thrown into the interior of the hot air duct 16, and the moisture attached to the inner side of the drying box 1 is finally gathered at the bottom of the drying box 1, and is discharged through the output pipe 110 under the action of the guide surface 19, thereby reducing the moisture removal time of the PCB board 100 during the drying process of the PCB board 100 and improving the drying efficiency. It should be noted that in order to reduce the resistance when the PCB board 100 rotates, the clamping assembly 3 is tilted as a whole, so that the PCB board 100 is in a tilted state before and after loading and during the rotation process, which is conducive to the rapid separation of moisture on its surface and makes the two sides of the PCB board 100 more fully in contact with the hot air.

[0080] The advantages are as follows: before the PCB board 100 is loaded, the clamping assembly 3 is driven by the lifting assembly 4 to be in a receiving state, and after the loading, the clamping assembly 3 is driven by the lifting assembly 4 to reset to a drying state, at which the clamping assembly 3 automatically clamps the PCB board 100 to ensure the stability of the PCB board 100 during rotation; and the centrifugal force generated by the rotation is used to quickly remove moisture from the surface of the PCB board 100, thereby reducing the time required for moisture removal and improving the drying efficiency. In order to further ensure that the PCB board 100 can be quickly dehydrated, the clamping assembly 3 can be tilted inside the drying box 1, so that the PCB board 100 is kept in an inclined state under the action of the clamping assembly 3, and rotating in the tilted state can also make both sides of the PCB board 100 fully contact with the hot air; after drying, the clamping assembly 3 can be automatically released from the PCB board 100 when it is pushed to the receiving state by the lifting assembly 4, so that the dried PCB board 100 is convenient for unloading and subsequent loading.

[0081] When unloading, the hydraulic push rod A26 drives the pull-up slip ring B25 to drive the box cover 2 to move upward, so that the box cover 2 drives the inner sliding pin A23 to rise a certain height along the vertical section of the sliding hole A14, so that the box cover 2 drives the bottom sealing part and the inner through hole B22 to separate from the material port 12 and the adsorption member 15 respectively. As the box cover 2 continues to rise, the sliding pin A23 is driven to slide into the inclined section of the sliding hole A14, so that the box cover 2 drives the sealing part to deflect circumferentially, and finally drives the through hole A21 to be vertically aligned with the material port 12; then the hydraulic push rod B43 pushes the slip ring C42 to move upward, so that the slip ring C42 drives the lifting plate 32 to slide upward along the limit rod 311 through the support plate 41, so that the lifting plate 32 drives the clamping plate 33 to rise a certain height, and then the adsorption member 15 is energized to adsorb the adsorption block 361.

[0082] During the drying process of the clamping assembly 3 in the PCB circuit board high-efficiency drying equipment of the present application, the stabilizing frame 31 and the lifting plate 32 rotate at a high speed driven by the rotating disk 5, and the centrifugal force generated causes the slider C374 at the bottom of the guide rail 37 to slide along the guide rod 39, and then the slider C374 drives the supporting wheel 38 to move laterally at the bottom of the PCB board 100. Since the guide rod 39 is tilted downward, the supporting wheel 38 can drive the clamping plate 33 to move downward when moving laterally, and the clamping plate 33 drives the PCB board 100 to move downward, and then a horizontal roller B35 is set on one side of the stabilizing frame 31 to buffer and protect the side of the PCB board 100, while ensuring that the PCB board 100 is stable. The B board 100 can move vertically. Since the PCB board 100 is restricted by the horizontal roller B35 in the horizontal direction, when the support wheel 38 drives the clamping plate 33 to move horizontally, it can drive the longitudinal roller 331 to roll on the outside of the PCB board 100, thereby causing a relative displacement between the clamping plate 33 and the PCB board 100. At this time, the horizontal roller A341 and the horizontal roller B35 and the longitudinal roller 331 used to support the circumference of the PCB board 100 all roll on the outside of the PCB board 100, and the support wheel 38 rolls on the bottom of the PCB board 100, thereby replacing the support position of the PCB board 100 to prevent residual moisture at the fixed support position from reducing the drying effect.

[0083] It is worth mentioning that the above drying method has the following advantages:

[0084] Advantage 1: The PCB board 100 placed inside the stabilizing frame 31 can be clamped by the clamping plate 33 to ensure the stability of the PCB board 100 during the rotation and drying process, and the clamping effect can be automatically contacted after drying to facilitate loading and unloading of the PCB board 100.

[0085] Advantage 2: When the clamping assembly 3 rotates at a high speed, the centrifugal force generated causes the support wheel 38 to move at the bottom of the PCB board 100, thereby changing the support position at the bottom of the PCB board 100. At the same time, the support wheel 38 drives the longitudinal roller 331 on the outside of the clamping plate 33 to move laterally on the outside of the PCB board 100, so as to change the support position on the side of the PCB board 100, thereby preventing residual moisture at the support position from affecting the drying effect, thereby improving the drying efficiency.

[0086] Advantage three, the support wheel 38 is guided by the inclined guide rod 39, so that the height of the support wheel 38 gradually decreases while moving horizontally. At this time, the clamping plate 33 drives the PCB board 100 to move downward along the outer side of the horizontal roller B35 through the longitudinal roller 331, thereby changing the support position of the horizontal roller B35 on the outer side of the PCB board 100, realizing a comprehensive change of the support position of the outer side of the PCB board 100, and preventing residual moisture on the supporting contact surface.

[0087] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A PCB circuit board efficient drying equipment, characterized in that: include: A drying box, wherein a support plate is fixedly arranged inside the drying box, and a material through hole is opened inside the support plate, and the material through hole is distributed in a ring array; A box cover is arranged on the top of the support plate and is driven by an external force to seal and open the material passage opening; Clamping components, used for clamping the PCB board, are distributed in the drying box in a circular array, and the clamping components are driven to rotate by an external force to throw away the liquid on the surface of the PCB board; The lifting assembly is used to drive the clamping assembly to move the PCB board toward the inside of the material passage; The lifting assembly includes a support plate, a plurality of clamping assemblies are arranged on the outer side of the support plate, a slip ring C is rotatably arranged on the outer side of the support plate, and the slip ring C is driven by the driving force at the bottom to drive the support plate to lift and lower.

2. A PCB circuit board efficient drying equipment according to claim 1, characterized in that: The clamping assembly comprises a stabilizing frame, a limiting rod is fixedly arranged at the bottom of the stabilizing frame, a lifting plate is slidably arranged outside the limiting rod, and a clamping plate for stabilizing the PCB board is arranged on the top of the lifting plate; The lifting plate is driven by the slip ring C to slide along the limiting rod.

3. A PCB circuit board efficient drying equipment according to claim 2, characterized in that: It also includes a rotating disk, a driving shaft is fixedly arranged inside the rotating disk, the driving shaft is rotatably arranged inside the drying box, and the rotating disk is fixedly connected to the stabilizing frames distributed in a circular array; The support plate is fixedly connected to the lifting plates distributed in a ring array, and the support plate is slidably installed on the outside of the driving shaft along the axial direction.

4. The PCB circuit board efficient drying equipment according to claim 3 is characterized in that: The two ends of the driving shaft are rotatably mounted on the drying box and the support plate respectively, a support cylinder is fixedly arranged on the top of the support plate, and a sliding hole A is opened on the side wall of the support cylinder; The inner side of the box cover is provided with a plurality of through holes A corresponding to the material passing opening, the bottom of the box cover is located between two adjacent through holes A to form a sealing portion, the box cover is sleeved on the outer side of the support tube, and a sliding pin A is slidably provided on the inner side of the box cover; The box cover is driven by an external force to drive the sliding pin A to slide along the sliding hole A, and the sliding hole A includes a vertical section and an inclined section located at the top of the vertical section.

5. The PCB circuit board efficient drying equipment according to claim 4 is characterized in that: It also includes a wedge block B for clamping the clamping plate to clamp the PCB board, and a guide rail is slidably arranged on the outer side of the wedge block B, and the guide rail is located on the top of the lifting plate; Wherein, a wedge block A is fixedly arranged on the outer side of the clamping plate corresponding to the wedge block B, and the wedge block B is pressed against the clamping plate by its own gravity.

6. The PCB circuit board efficient drying equipment according to claim 5 is characterized in that: An adsorption piece is fixedly provided on the inner side of the support plate. The adsorption piece is located on both sides of the feed port and is used to adsorb the wedge-shaped block B after it rises to a certain height. An adsorption block is fixedly provided on the outer side of the wedge-shaped block B corresponding to the adsorption piece.

7. The PCB circuit board efficient drying equipment according to claim 3 is characterized in that: A sliding hole B is opened on one side of the stabilizing frame, a transverse roller B is arranged inside the sliding hole B, a sliding rod is slidably arranged on the side of the stabilizing frame away from the transverse roller B, and a transverse roller A is arranged inside the sliding rod.

8. The PCB circuit board efficient drying equipment according to claim 7, characterized in that: It also includes an adjustment assembly for adjusting the distance between the slide bar and the transverse roller B; the adjustment assembly includes an annular plate rotatably mounted on the top of the rotating disk, and a push-pull rod is arranged on the top of the annular plate corresponding to the slide bar annular array, and the push-pull rod is driven by the annular plate to push the slide bar to slide; Wherein, an electric device for driving the annular plate to rotate is fixedly arranged on the outer side of the rotating disk.

9. The PCB circuit board efficient drying equipment according to claim 7, characterized in that: It also includes a support wheel for supporting the bottom of the PCB board, the support wheel is rotatably arranged inside the wheel frame, the wheel frame is fixedly arranged at the bottom of the guide rail, a slider C is fixedly arranged at the bottom of the wheel frame, the slider C is slidably arranged outside the guide rod, and the slider C is moved closer to the center direction of the rotating disk under the action of external force; Wherein, a longitudinal roller is arranged on one side of the clamping plate close to the PCB board.

10. The PCB circuit board efficient drying equipment according to claim 9, characterized in that: The guide rod is fixedly arranged on the top of the lifting plate through a fixing seat, and the guide rod is arranged tilted downward in a direction close to the inner wall of the drying box; The transverse roller B is slidably arranged inside the sliding hole B, and the transverse roller B is moved closer to the outside of the PCB board under the elastic force.

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