Automatic transmission mechanism for dispensing glue on PCB (Printed Circuit Board)

Abstract

The utility model discloses an automatic transmission mechanism for PCB (printed circuit board) dispensing, which comprises two translation mechanisms and a turnover device, the turnover device is positioned between the two translation mechanisms, each translation mechanism comprises a first support, a second support, an adjusting mechanism and a conveying mechanism, the conveying mechanism comprises two belt pulley mechanisms, and the belt pulley mechanisms are arranged on the first support and the second support. The two belt pulley mechanisms are installed on the first support and the second support respectively, the first support and the second support are oppositely arranged in parallel, and each belt pulley mechanism comprises a first belt pulley, a second belt pulley, a conveying belt and a first motor. The first belt pulley and the second belt pulley are connected through a conveying belt, and the first motor is used for driving the first belt pulley and the second belt pulley to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automatic transmission mechanism for PCB board point gum. BACKGROUND

[0002] When the employee returns the PCBA circuit board, often places in the workstation table to return the repair operation, the product directly contacts the workstation, can produce dust adsorption, cannot guarantee the cleanliness of the product, prevents static electricity requirement. The product because the various electronic components are pasted, the PCBA surface is not flat and is not stable on the workstation, and the employee cannot guarantee the quality stability in the return repair engineering.

[0003] The product design return repair workstation frame can only guarantee that the PCBA product can be placed stably, avoids direct contact with the workstation surface, but has limitations, the workstation cannot be shared for different projects, and the manufacturing cost is higher, and the production site space is occupied. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving above prior art's insufficient, provides a kind of automatic transmission mechanism for PCB board point gum.

[0005] A kind of automatic transmission mechanism for PCB board point gum, including two translation mechanisms, overturning device, the overturning device is located between two translation mechanisms, the translation mechanism includes first support, second support, adjusting mechanism, conveying mechanism, the conveying mechanism includes two belt pulley mechanisms, two belt pulley mechanisms are respectively installed in first support and second support, the first support and the second support are oppositely parallel, and the belt pulley mechanism includes first pulley, second pulley, transmission belt, first motor;The first pulley and the second pulley are connected by transmission belt, and the first motor is used to drive the first pulley and the second pulley to rotate.

[0006] Further, the adjusting mechanism includes the first adjusting mechanism and the second adjusting mechanism of same structure, the first adjusting mechanism includes first fixed seat, second fixed seat, sliding seat, adjusting screw, fourth slide rail, sliding block;

[0007] The first fixed seat is connected with the first support, the sliding seat is connected with the second support, the adjusting screw is slidably arranged in the sliding seat through a screw sleeve, the two ends of the adjusting screw are connected with the first fixed seat and the second fixed seat respectively, and a rotating handle is arranged at one end of the adjusting screw, the sliding block is installed below the sliding seat, the sliding block is slidably connected with the fourth slide rail, and the fourth slide rail is installed on the bottom plate.

[0008] Further, an inductor is arranged on the first support or the second support, and the inductor is used to identify the optical point in the PCB.

[0009] Further, one end of the adjusting screw of the first adjusting mechanism and the second adjusting mechanism is respectively provided with a synchronous sprocket, and the two synchronous sprockets are connected through a synchronous chain.

[0010] Further, the first motor is located below the first pulley and the second pulley, the output end of the first motor passes through the cleaning box and is connected with a third pulley, the cleaning box is a coverless structure, the conveying belt is connected with the first pulley and the second pulley at two ends respectively, and the middle part passes through the third pulley and is arranged in the cleaning box.

[0011] Further, the overturning device comprises a rack, an overturning mechanism, a third adjusting mechanism and a conveying mechanism, the overturning mechanism is installed on the rack, the adjusting mechanism is fixedly installed on the overturning mechanism, and the conveying mechanism is installed on the adjusting mechanism.

[0012] The overturning mechanism comprises an overturning motor, an overturning synchronous belt, an overturning wheel and an overturning piece, the output end of the overturning motor is connected with one end of the overturning synchronous belt, the other end of the overturning synchronous belt is sleeved on the overturning wheel, the overturning wheel is fixedly connected with the overturning piece, and the overturning piece is fixedly installed on the rack.

[0013] Further, the third adjusting mechanism comprises a first connecting plate, a second connecting plate, a width adjusting shaft and a moving plate, and a guide assembly, the first connecting plate and the second connecting plate are fixedly installed on the overturning piece respectively, the width adjusting shaft is fixedly connected with the first connecting plate and the second connecting plate at two ends respectively, the moving plate is sleeved on the width adjusting shaft in a sliding mode, and the guide assembly comprises a guide rod and a guide sliding block, the guide rod is fixedly connected with the first connecting plate and the second connecting plate at two ends respectively, and the guide sliding block is fixedly sleeved on the guide rod and is fixedly connected with the moving plate.

[0014] Further, the conveying mechanism comprises a conveying motor, a synchronous belt, a transmission shaft and a feeding assembly, the output end of the conveying motor is connected with the synchronous belt, the synchronous belt is sleeved on the transmission shaft, and the feeding assembly is slidably connected with the transmission shaft.

[0015] The feeding assembly comprises a first feeding assembly and a second feeding assembly, and both the first feeding assembly and the second feeding assembly have a mounting plate, a transmission wheel fixedly installed on the mounting plate, a first transmission belt, a first driving wheel, a first driven wheel, a second driving wheel, a second driven wheel, a second transmission belt and a conveying plate, the transmission wheel is sleeved on the transmission shaft in a sliding mode, the first transmission belt is sleeved on the transmission wheel and the first driving wheel, the first driving wheel is fixedly connected with the first driven wheel, the first driven wheel is engaged with the second driving wheel, the second driving wheel is fixedly connected with the second driven wheel, and the second transmission belt is sleeved on the second driven wheel.

[0016] Further, a plurality of conveying channels are formed in the conveying plate, the number of the conveying channels is two, a stop block is fixedly installed at the end of each conveying channel, and a soft buffer layer is arranged on the surface of the stop block.

[0017] Further, the connection between the width adjusting shaft and the moving plate is provided with a moving bearing and a threaded block, the moving bearing is fixedly sleeved on the threaded block, and the threaded block is screwed on the width adjusting shaft.

[0018] Advantages: Compared with the prior art, the utility model has the following advantages:

[0019] Through the design of the two translation mechanisms, the PCB board can be stably transmitted on the two parallel conveying mechanisms, improving the transmission efficiency. The design of the adjusting mechanism allows users to flexibly adjust the distance between the two translation mechanisms according to the size of the PCB board or the transmission requirements, enhancing the versatility and adaptability of the mechanism.

[0020] The inductor provided on the first support or the second support can accurately identify the optical point in the PCB, ensuring accurate positioning of the PCB board during transmission, which is crucial for subsequent dispensing operations. The adjusting screws of the first adjusting mechanism and the second adjusting mechanism are connected through synchronous sprockets and synchronous chains, ensuring synchronous adjustment of the two translation mechanisms, further improving the transmission accuracy and stability.

[0021] The design of the first motor driving the conveying belt through the cleaning box can clean the PCB board during transmission, removing dust and impurities on the surface and ensuring the quality of dispensing. The design of the turnover device allows the PCB board to be turned over during transmission, meeting the needs of different surface processing in dispensing operations and improving the flexibility of the equipment.

[0022] The design of the third adjusting mechanism allows users to adjust the width of the conveying mechanism according to the width of the PCB board, ensuring that the PCB board remains stable during transmission and preventing it from slipping or being damaged. The design of the conveying mechanism, especially the multi-stage transmission system in the feeding assembly, ensures accurate feeding of the PCB board during turnover and transmission, avoiding dispensing misalignment caused by unstable transmission.

[0023] The design of the conveying channel and the end stop block on the conveying plate not only ensures accurate positioning of the PCB board, but also protects the PCB board from damage through the soft buffer layer. The design of the moving bearing and the threaded block makes the sliding of the moving plate on the width adjusting shaft smoother, and also facilitates the maintenance and adjustment of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic view of the turnover device;

[0025] Figure 2 is a structural schematic view of the turnover mechanism;

[0026] Figure 3 is a schematic view of the third adjusting mechanism;

[0027] Figure 4 This is a schematic diagram of the transmission mechanism;

[0028] Figure 5 This is a schematic diagram of the combined structure of the conveyor plate and the stop block;

[0029] Figure 6 This is a schematic diagram of the translation mechanism;

[0030] Figure 7 A schematic diagram of an automatic transfer mechanism for dispensing adhesive onto a PCB board. Detailed Implementation

[0031] To enhance understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. These embodiments are only used to explain the present utility model and do not constitute a limitation on the scope of protection of the present utility model.

[0032] like Figures 1-6 As shown, the components include: frame 1, tilting mechanism 2, tilting motor 21, tilting timing belt 22, tilting wheel 23, tilting component 24, third adjusting mechanism 3, first connecting plate 31, second connecting plate 32, width adjusting shaft 33, moving bearing 331, screw block 332, moving plate 34, guide assembly 35, guide rod 351, guide slider 352, conveying mechanism 4, conveying motor 41, timing belt 42, drive shaft 43, feeding assembly 44, first feeding assembly 5, mounting plate 51, drive wheel 52, first drive belt 53, and the third... A driving wheel 54, a first driven wheel 55, a second driving wheel 56, a second driven wheel 57, a second transmission belt 58, a conveyor plate 59, a conveyor channel 591, a second feeding assembly 6, a stop block 7, a soft buffer layer 71, a first support 8, a second support 9, a first pulley 10, a second pulley 11, a first motor 12, a first fixed seat 13, a second fixed seat 14, an adjusting screw 15, a slider 16, a slide seat 17, a cleaning box 18, a synchronous sprocket 19, a rotating handle 20, a translation mechanism 21, and a flipping device 22;

[0033] An automatic transfer mechanism for dispensing adhesive onto a PCB board includes two translation mechanisms 21 and a flipping device 22. The flipping device is located between the two translation mechanisms. Each translation mechanism includes a first support 8, a second support 9, an adjustment mechanism, and a conveying mechanism. The conveying mechanism includes two pulley mechanisms, which are respectively mounted on the first support 8 and the second support 9. The first support 8 and the second support 9 are arranged parallel to each other. Each pulley mechanism includes a first pulley 10, a second pulley 11, a conveyor belt, and a first motor 12. The first pulley 10 and the second pulley 11 are connected by the conveyor belt, and the first motor 12 drives the first pulley 10 and the second pulley 11 to rotate.

[0034] In the present embodiment, the adjusting mechanism comprises a first adjusting mechanism and a second adjusting mechanism which are identical in structure. The first adjusting mechanism comprises a first fixing base 13, a second fixing base 14, a sliding base 17, an adjusting screw 15, a fourth sliding rail and a sliding block 16.

[0035] The first fixing base 13 is connected with the first support 8, the sliding base 17 is connected with the second support 9, the adjusting screw 15 is slidably arranged in the sliding base 17 through a sleeve, the two ends of the adjusting screw 15 are connected with the first fixing base 13 and the second fixing base 14 respectively, one end of the adjusting screw 15 is provided with a rotating handle 20, the sliding block 16 is installed below the sliding base 17, the sliding block 16 is slidably connected with the fourth sliding rail, and the fourth sliding rail is installed on the bottom plate.

[0036] In the present embodiment, a sensor is arranged on the first support 8 or the second support 9, and the sensor is used for identifying an optical point in a PCB.

[0037] In the present embodiment, one end of the adjusting screw 15 of the first adjusting mechanism and the second adjusting mechanism is respectively provided with a synchronous sprocket 19, and the two synchronous sprockets 19 are connected through a synchronous chain.

[0038] In the present embodiment, the first motor 12 is located below the first pulley 10 and the second pulley 11, the output end of the first motor 12 passes through the cleaning box 18 and is connected with a third pulley, the cleaning box 18 is a coverless structure, the conveying belt is connected with the first pulley 10 and the second pulley 11 at two ends, and a middle section of the conveying belt passes through the third pulley and is arranged in the cleaning box 18.

[0039] The turnover device comprises a rack 1, a turnover mechanism 2, an adjusting mechanism 3 and a conveying mechanism 4, the turnover mechanism 2 is installed on the rack 1, the adjusting mechanism 3 is fixedly installed on the turnover mechanism 2, the conveying mechanism 4 is installed on the adjusting mechanism 3, the turnover mechanism 2 comprises a turnover motor 21, a turnover synchronous belt 22, a turnover wheel 23 and a turnover piece 24, one end of the turnover synchronous belt 22 is connected with the output end of the turnover motor 21, the other end of the turnover synchronous belt 22 is sleeved on the turnover wheel 23, the turnover wheel 23 is fixedly connected with the turnover piece 24, the turnover piece 24 is fixedly installed on the rack, the turnover piece 24 can play a fixing role and is also a turnover shaft during turnover, the adjusting mechanism 3 comprises a first connecting plate 31, a second connecting plate 32, a width adjusting shaft 33 and a moving plate 34, the first connecting plate 31 and the second connecting plate 32 are fixedly installed on the turnover piece 24 respectively, the width adjusting shaft 33 is fixedly connected with the first connecting plate 31 and the second connecting plate 32 at two ends respectively, and the moving plate 34 is sleeved on the width adjusting shaft 33 in a sliding mode, the conveying mechanism 4 comprises a conveying motor 41, a synchronous belt 42, a transmission shaft 43 and a feeding assembly 44, the output end of the conveying motor 41 is connected with the synchronous belt 42, the synchronous belt 42 is sleeved on the transmission shaft 43, and the feeding assembly 66 is slidably connected with the transmission shaft 43.

[0040] Reference Figure 4, the feeding assembly 44 comprises a first feeding assembly 5 and a second feeding assembly 6, the first feeding assembly 5 and the second feeding assembly 5 both have a mounting plate 51 and a transmission wheel 52 fixedly installed on the mounting plate 51, a first transmission belt 53, a first driving wheel 54, a first driven wheel 55, a second driving wheel 56, a second driven wheel 57, a second transmission belt 58 and a conveying plate 59, the transmission wheel 52 is sleeved on the transmission shaft 43 in a sliding mode, the first transmission belt 53 is sleeved on the transmission wheel 52 and the first driving wheel 54, the first driving wheel 54 is fixedly connected with the first driven wheel 55, the first driven wheel 55 is engaged with the second driving wheel 56, the second driving wheel 56 is fixedly connected with the second driven wheel 57, the second transmission belt 58 is sleeved on the second driven wheel 57, when feeding, the PCB is placed in the conveying channel 591, the conveying motor 41 drives rotation, drives the synchronous belt 42, drives the transmission shaft 43 to rotate, drives the transmission wheel 52 to rotate, and then drives the first driving wheel 54 to rotate through the first transmission belt 53, so that the second transmission belt 58 is driven to rotate through the first driven wheel 55, the second driving wheel 56 and the second driven wheel 57, and the conveying of the PCB is realized under the action of friction.

[0041] With reference to Figure 5 , a plurality of conveying channels 591 are formed in the conveying plate 59, and the conveying channels 591 are used for conveying the PCB.

[0042] With reference to Figure 5 , the number of the conveying channels 591 is two, and two PCBs can be conveyed at the same time.

[0043] With reference to Figure 5 , a stop block 7 is fixedly installed at the end of the conveying channel 591, when the PCB is conveyed from one end of the conveying channel 591 to the other end, the stop block 7 can block the PCB, so that the PCB cannot be thrown out of the conveying channel 591 during the overturning, and the overturning is stable.

[0044] A soft buffer layer 71 is arranged on the surface of the stop block 7, and the soft buffer layer 71 is used for protecting the PCB

[0045] when the PCB and the stop block 7 are in contact, and preventing the PCB from being damaged, in the embodiment, the soft buffer layer 71 is a spandex elastic cloth.

[0046] With reference to Figure 3The connecting part of the width adjusting shaft 33 and the moving plate 34 is provided with a moving bearing 331 and a screwing block 332, the moving bearing 331 is fixedly sleeved on the screwing block 332, the screwing block 332 is screwed on the width adjusting shaft 33, when the distance between the first feeding assembly 5 and the second feeding assembly 6 is adjusted, the relative position of the screwing block 332 on the width adjusting shaft 33 is adjusted, the screwing block 332 drives the moving plate through the moving bearing 331, so that the interval between the first feeding assembly 5 and the second feeding assembly 6 is adjusted, and different sizes of PCB boards can be conveyed.

[0047] With reference to Figure 3 The adjusting mechanism 3 further comprises a guide assembly 35, the guide assembly 35 comprises a guide rod 351 and a guide sliding block 352, the guide rod 351 is fixedly connected to the first connecting plate 31 and the second connecting plate 32 at both ends respectively, the guide sliding block 352 is fixedly sleeved on the guide rod 351 and is fixedly connected with the moving plate 34, when the interval between the first feeding assembly 5 and the second feeding assembly 6 is adjusted, the guide assembly 35 plays a guiding role, the moving plate 34 can move linearly along the guide rod 351, and the first feeding assembly 5 and the second feeding assembly 6 can face each other, so that the PCB board can be conveyed normally.

[0048] The principle of the turnover device is as follows: first, the PCB board is placed in the two conveying channels 591, the conveying motor 41 rotates, the transmission shaft is driven through the synchronous belt 42, and then the first feeding assembly 5 and the second feeding assembly 6 are driven, so that the first transmission belt 53 and the second transmission belt 58 convey the PCB board to the end of the conveying channel 591, until the PCB board contacts the gear part 7, at this time, the conveying motor 41 stops rotating, then the turnover motor 21 rotates, the turnover wheel 23 is driven to rotate through the turnover synchronous belt 22, the turnover piece 24 drives the adjusting mechanism 3 to turn under the drive of the turnover wheel 23, the conveying assembly 44 is driven by the adjusting mechanism 3, so that the turnover of the PCB board is realized.

[0049] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic transmission mechanism for dispensing glue on a PCB board, characterized in that, The device comprises two translation mechanisms and a turnover device, the turnover device is located between the two translation mechanisms, the translation mechanism comprises a first support, a second support, an adjusting mechanism and a conveying mechanism, the conveying mechanism comprises two belt pulley mechanisms, the two belt pulley mechanisms are respectively installed on the first support and the second support, the first support and the second support are arranged in parallel, the belt pulley mechanism comprises a first belt pulley, a second belt pulley, a conveying belt and a first motor, the first belt pulley and the second belt pulley are connected through the conveying belt, and the first motor is used for driving the first belt pulley and the second belt pulley to rotate.

2. The automatic transmission mechanism for PCB dispensing according to claim 1, wherein, The adjusting mechanism comprises a first adjusting mechanism and a second adjusting mechanism which are identical in structure, the first adjusting mechanism comprises a first fixed seat, a second fixed seat, a sliding seat, an adjusting screw, a fourth sliding rail and a sliding block. The first fixed seat is connected with the first support, the sliding seat is connected with the second support, the adjusting screw is slidably arranged in the sliding seat through a screw sleeve, two ends of the adjusting screw are connected with the first fixed seat and the second fixed seat respectively, one end of the adjusting screw is provided with a rotating handle, the sliding block is installed below the sliding seat, the sliding block is in sliding connection with the fourth sliding rail, and the fourth sliding rail is installed on a bottom plate.

3. The automatic transmission mechanism for PCB dispensing according to claim 2, wherein, A sensor is arranged on the first support or the second support, and the sensor is used for identifying an optical point in a PCB.

4. The automatic transmission mechanism for PCB dispensing according to claim 2, wherein, One end of the adjusting screw of the first adjusting mechanism and the second adjusting mechanism is respectively provided with a synchronous sprocket, and the two synchronous sprockets are connected through a synchronous chain.

5. The automatic transmission mechanism for PCB dispensing according to claim 2, wherein, The first motor is located below the first belt pulley and the second belt pulley, an output end of the first motor penetrates through a cleaning box and is connected with a third belt pulley, the cleaning box is a structure without a cover, and the conveying belt is connected with the first belt pulley and the second belt pulley at two ends and penetrates through the third belt pulley and is arranged in the cleaning box.

6. The automatic transmission mechanism for PCB dispensing according to claim 1, wherein, The turnover device comprises a rack, a turnover mechanism, a third adjusting mechanism and a conveying mechanism, the turnover mechanism is installed on the rack, the adjusting mechanism is fixedly installed on the turnover mechanism, and the conveying mechanism is installed on the adjusting mechanism. The turnover mechanism comprises a turnover motor, a turnover synchronous belt, a turnover wheel and a turnover piece, an output end of the turnover motor is connected with one end of the turnover synchronous belt, the other end of the turnover synchronous belt is sleeved on the turnover wheel, the turnover wheel is fixedly connected with the turnover piece, and the turnover piece is fixedly installed on the rack.

7. The automatic transmission mechanism for PCB dispensing according to claim 6, wherein, The third adjusting mechanism comprises a first connecting plate, a second connecting plate, a width adjusting shaft, a moving plate and a guide assembly, the first connecting plate and the second connecting plate are fixedly installed on the turnover piece, the width adjusting shaft is fixedly connected with the first connecting plate and the second connecting plate at two ends, the moving plate is slidably sleeved on the width adjusting shaft, and the guide assembly comprises a guide rod and a guide sliding block, the guide rod is fixedly connected with the first connecting plate and the second connecting plate at two ends, and the guide sliding block is fixedly sleeved on the guide rod and is fixedly connected with the moving plate.

8. The automatic transmission mechanism for PCB dispensing according to claim 7, wherein, The conveying mechanism comprises a conveying motor, a synchronous belt, a transmission shaft and a feeding assembly, an output end of the conveying motor is connected with the synchronous belt, the synchronous belt is sleeved on the transmission shaft, and the feeding assembly is slidably connected with the transmission shaft. The feeding assembly comprises a first feeding assembly and a second feeding assembly, and both the first feeding assembly and the second feeding assembly have a mounting plate, a transmission wheel fixedly mounted on the mounting plate, a first transmission belt, a first driving wheel, a first driven wheel, a second driving wheel, a second driven wheel, a second transmission belt and a conveying plate.

9. The automatic transmission mechanism for PCB dispensing according to claim 8, wherein, A plurality of conveying channels are formed in the conveying plate, the number of the conveying channels is two, and a blocking block is fixedly installed at the end of each conveying channel.

10. The automatic transmission mechanism for PCB dispensing according to claim 9, wherein, A moving bearing and a threaded block are arranged at the connection between the width adjusting shaft and the moving plate, the moving bearing is fixedly sleeved on the threaded block, and the threaded block is screwed on the width adjusting shaft.

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