Spacing-adjustable SMT (Surface Mount Technology) conveying device

Abstract

The utility model belongs to the technical field of circuit board processing, and relates to a spacing-adjustable SMT patch conveying device, which comprises a support frame, a conveying belt arranged at the top end of the support frame, a plurality of bearing plates uniformly arranged at the top end of the conveying belt, an extension frame fixed at the lower ends of the bearing plates, and bearing blocks fixedly connected with the bearing plates. Connecting bases are arranged on the two sides of the bearing plate correspondingly, clamping plates are arranged on the sides, close to the bearing plate, of the connecting bases, driving assemblies are arranged at the positions, corresponding to the clamping plates, of the inner sides of the connecting bases and used for moving the clamping plates, and lifting assemblies are arranged at the lower ends of the connecting bases. By means of the matched structural design of the fixing plate, the driving rack, the connecting base, the clamping plate, the lifting assembly and the driving assembly, machined parts can be automatically overturned in the conveying process, manual operation is not needed, the labor intensity of workers is effectively relieved, and the machining work efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit board processing relates to an adjustable interval's SMT patch conveying device. BACKGROUND

[0002] SMT patch refers to the series of technological process on the basis of processing printed circuit board, SMT is surface mount technology, it is the most popular technology and process in the electronic assembly industry, electronic circuit surface mount technology, called surface mount or surface mount technology, it is a kind of no pin or short lead surface mount device installation on the surface of printed circuit board or other substrate, through the current welding or immersion welding method and so on, it is a kind of circuit connection technology, in the usual case, the electronic products we use are all by PCB plus various capacitors, resistors and other electronic components according to the designed circuit diagram design, so various electrical appliances need various different SMT patch processing technology to process, the existing SMT patch is mainly transported through the conveying belt.

[0003] When using the above technology, it is found that the prior art has the following technical problems: the existing device needs to clamp and fix the PCB plate first when carrying out the patch operation of the PCB plate, and then carries out conveying processing or detection through conveying, and both sides of the workpiece need to be detected when detecting, the existing method is turned over by manual, time-consuming and laborious, and the working efficiency is low, and the clamp for fixing the PCB plate cannot adjust the distance between the clamps according to the size of the workpiece, so when conveying workpieces of different sizes, the clamp needs to be replaced, which is inconvenient to replace. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that: the existing device needs to clamp and fix the PCB plate first when carrying out the patch operation of the PCB plate, and then carries out conveying processing or detection through conveying, and both sides of the workpiece need to be detected when detecting, the existing method is turned over by manual, time-consuming and laborious, and the working efficiency is low, and the clamp for fixing the PCB plate cannot adjust the distance between the clamps according to the size of the workpiece, so when conveying workpieces of different sizes, the clamp needs to be replaced, which is inconvenient to replace.

[0005] The utility model discloses a spacing adjustable SMT patch conveying device, including support frame, the top of support frame is provided with the conveyer belt, the top of conveyer belt evenly is provided with a plurality of bearing plate, the lower extreme of bearing plate is fixed with the extension frame, the extension frame is fixedly connected with conveyer belt through the support column, the top of bearing plate is symmetrically longitudinally provided with two bearing blocks, bearing block is fixedly connected with bearing plate, both sides of bearing plate all are provided with the connecting seat, the side of connecting seat close to bearing plate is provided with the clamping plate, the position of connecting seat inboard and corresponding with clamping plate is provided with drive assembly, is used for moving clamping plate, the lower extreme of connecting seat is provided with lifting assembly, both sides of support frame top are all fixed with fixed plate, the lower extreme of fixed plate top is fixed with drive rack, is used for cooperation lifting assembly uses.

[0006] The lifting assembly includes a drive rod, the drive rod is horizontally arranged on the inner side of the extension frame, the drive rod is rotatably connected with the extension frame, the two ends of the drive rod are extended to the outer side of the extension frame, one end of the drive rod on the outer side of the extension frame is fixedly connected with a drive gear, the drive gear is meshingly connected with the drive rack, the lower end of the connecting seat is fixedly connected with a drive frame, the drive frame is extended to the outer side of the lower end of the extension frame, the drive frame is slidably connected with the extension frame, the inner side of the drive frame is fixedly connected with a transmission rack, the transmission gear is fixedly connected with the transmission rack at the position corresponding to the drive rod, and the transmission gear is meshingly connected with the transmission rack.

[0007] A plurality of positioning slide rods are evenly fixed at the top of the extension frame at positions corresponding to the connecting seat, the top of the positioning slide rod is extended to the outer side of the top of the connecting seat, the positioning slide rod is slidably connected with the connecting seat, a reset spring is sleeved on the outer side of one end of the positioning slide rod close to the extension frame, one end of the reset spring is fixedly connected with the connecting seat, and the other end of the reset spring is fixedly connected with the extension frame.

[0008] A plurality of built-in spring telescopic rods are evenly fixed at the upper and lower ends of the inner side of the clamping plate, the telescopic end of the built-in spring telescopic rod is fixedly connected with a connecting frame, and a clamping wheel is rotatably connected to the inner side of the connecting frame.

[0009] The drive assembly includes an adjusting motor, the adjusting motor is fixed on the inner side of the connecting seat, the output end of the adjusting motor is fixedly connected with an adjusting screw, the outer side of one end of the adjusting screw away from the adjusting motor is threadedly connected with a moving column, the moving column is slidably connected with the connecting seat, and the other end of the moving column away from the adjusting screw is rotatably connected with the clamping plate.

[0010] The top of the bearing plate is provided with an inclined plate at a position between the two bearing blocks, a plurality of extension springs are evenly fixed at the lower end of the inclined plate, and the lower end of the extension spring is fixedly connected with the bearing plate.

[0011] The upper and lower ends of the clamping plate are uniformly fixed with a plurality of positioning balls, the bearing plate is provided with a sliding groove at a position corresponding to the positioning ball, and the positioning ball is slidably connected with the bearing plate through the sliding groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation structure design of the fixed plate, the driving rack, the connecting seat, the clamping plate, the lifting assembly and the driving assembly, the machining piece can be automatically turned over in the conveying process, manual operation is not needed, the labor intensity of the labor personnel is effectively reduced, and the working efficiency of machining is improved.

[0013] Through the cooperation structure design of the driving assembly and the clamping plate, different sizes of machining pieces can be clamped and fixed, the clamp does not need to be replaced according to the size of the machining piece, and the practicability of the device is effectively improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model as a whole.

[0015] Figure 2 It is the structure schematic diagram of the fixed plate and the driving rack in the utility model.

[0016] Figure 3 It is the schematic diagram of the extension spring in the utility model.

[0017] Figure 4 It is the structure schematic diagram of the driving assembly in the utility model Figure 3 It is the enlarged view of A in the figure.

[0018] Figure 5 It is the structure schematic diagram of the driving assembly in the utility model.

[0019] In the figure: 1, support frame; 2, conveying belt; 3, fixed plate; 4, bearing plate; 5, connecting seat; 6, bearing block; 7, inclined plate; 8, clamping plate; 9, extension frame; 10, support column; 11, driving frame; 12, positioning slide rod; 13, return spring; 14, driving rod; 15, driving gear; 16, clamping wheel; 17, connecting frame; 18, built-in spring telescopic rod; 19, positioning ball; 20, adjusting motor; 21, adjusting screw; 22, moving column; 23, transmission gear; 24, transmission rack; 25, driving rack; 26, extension spring. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0022] It should be noted that like reference numerals and letters refer to like items in the drawings, and once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. Embodiment 1

[0023] As Figures 1-5 shown, including support frame 1, the top end of support frame 1 is provided with conveyor belt 2, the top end of conveyor belt 2 is uniformly provided with a plurality of bearing plates 4, the lower end of bearing plate 4 is fixed with extension frame 9, extension frame 9 is fixedly connected with conveyor belt 2 through support column 10, the top end of bearing plate 4 is symmetrically longitudinally provided with two bearing blocks 6, bearing block 6 is fixedly connected with bearing plate 4, both sides of bearing plate 4 are provided with connecting seat 5, the side of connecting seat 5 close to bearing plate 4 is provided with clamping plate 8, wherein the center point of clamping plate 8 and the center point of connecting seat 5 are not on the same axis, the position of the inner side of connecting seat 5 and corresponding to clamping plate 8 is provided with driving assembly, for moving clamping plate 8, the lower end of connecting seat 5 is provided with lifting assembly, both sides of the top end of support frame 1 are fixed with fixed plate 3, the lower end of the top of fixed plate 3 is fixed with driving rack 25, for cooperating with lifting assembly; in order to be able to move the angle of the workpiece to the direction of rotation when the workpiece is turned to be perpendicular to bearing plate 4, so as to ensure that the workpiece can be turned when it is lowered, the top end of bearing plate 4 and between the two bearing blocks 6 are provided with inclined plate 7, the lower end of inclined plate 7 is uniformly fixed with a plurality of extension springs 26, the lower end of extension spring 26 is fixedly connected with bearing plate 4.

[0024] In operation, first, the workpiece is placed on the top of the two bearing blocks 6, then the clamping plates 8 are driven to move close to each other by the driving assembly, the workpiece is clamped and fixed by the clamping plates 8, then the conveyor belt 2 is started, when the conveyor belt 2 is started, the bearing plate 4 is driven to move by the support column 10 and the extension frame 9, when the bearing plate 4 moves, the workpiece and the connecting seat 5 are simultaneously moved, when the bearing plate 4 moves to a position corresponding to the fixed plate 3 and the driving rack 25, the connecting seat 5 is driven to rise by the lifting assembly, when the connecting seat 5 rises, the clamping plates 8 are simultaneously moved, when the clamping plates 8 rise, the workpiece is simultaneously rotated around the connecting part of the clamping plates 8 and the connecting seat 5 as the center, when the workpiece rotates, the pressure on the inclined plate 7 is gradually cancelled, so that the inclined plate 7 moves away from the bearing plate 4 under the elastic force of the extension spring 26, when the workpiece is perpendicular to the bearing plate 4, the pressure of the workpiece on the inclined plate 7 is less than the elastic force of the extension spring 26, so that the inclined plate 7 presses the workpiece, so that the workpiece is inclined at a certain angle, when the lifting assembly and the driving rack 25 are disengaged, the connecting seat 5 moves downward, so that the workpiece is turned over by the clamping plates 8, through the cooperation of the fixed plate 3, the driving rack 25, the connecting seat 5, the clamping plates 8, the lifting assembly and the driving assembly, the workpiece can be automatically turned over during conveying, so that manual operation is not required, the labor intensity of labor personnel is effectively reduced, and the working efficiency of processing is improved. Example 2

[0025] As shown in Figure 3 and Figure 5 , the lifting assembly comprises a driving rod 14, the driving rod 14 is transversely arranged on the inner side of the extension frame 9, the driving rod 14 is rotationally connected with the extension frame 9, both ends of the driving rod 14 extend to the outer side of the extension frame 9, in order to drive the driving rod 14 to rotate when the driving rod 14 moves to a position corresponding to the driving rack 25, a driving gear 15 is fixed to one end of the driving rod 14 on the outer side of the extension frame 9, the driving gear 15 is meshingly connected with the driving rack 25, in order to drive the connecting seat 5 to rise when the driving rod 14 rotates, a driving frame 11 is fixed to the lower end of the connecting seat 5, the driving frame 11 extends to the lower end of the extension frame 9 on the outer side, the driving frame 11 is slidingly connected with the extension frame 9, a transmission rack 24 is fixed to the inner side of the driving frame 11, a transmission gear 23 is fixed to the position corresponding to the transmission rack 24 of the driving rod 14, the transmission gear 23 is meshingly connected with the transmission rack 24.

[0026] Multiple positioning slide rods 12 are evenly fixed at the top ends of both ends of the extension frame 9 and at positions corresponding to the connecting seat 5. The top ends of the positioning slide rods 12 extend to the outer side of the top end of the connecting seat 5. The positioning slide rods 12 are slidably connected to the connecting seat 5. In order to facilitate the buffering when the connecting seat 5 descends, a return spring 13 is sleeved on the outer side of the end of the positioning slide rod 12 near the extension frame 9. One end of the return spring 13 is fixedly connected to the connecting seat 5, and the other end of the return spring 13 is fixedly connected to the extension frame 9. In order to facilitate the movement of the clamping plate 8 on the top of the bearing plate 4 and reduce wear, multiple positioning balls 19 are evenly fixed at the upper and lower ends of the clamping plate 8. The bearing plate 4 is provided with a sliding groove at the position corresponding to the positioning ball 19. The positioning ball 19 is slidably connected to the bearing plate 4 through the sliding groove.

[0027] When the support plate 4 moves the extension frame 9 and the drive rod 14 to the position corresponding to the drive rack 25, the drive gear 15 meshes with the drive rack 25. When the extension frame 9 moves, the drive gear 15 drives the drive rod 14 to rotate. When the drive rod 14 rotates, it drives the drive frame 11 and the connecting seat 5 to move upward through the transmission rack 24. When the connecting seat 5 moves, it can drive the clamping plate 8 to move at the same time. Example 3

[0028] like Figure 5 As shown, the drive assembly includes an adjustment motor 20, which is fixed inside the connecting seat 5. To facilitate the horizontal movement of the clamping plate 8 when the adjustment motor 20 is started, an adjustment screw 21 is fixed to the output end of the adjustment motor 20. A movable column 22 is threadedly connected to the outer side of the end of the adjustment screw 21 away from the adjustment motor 20. The movable column 22 is slidably connected to the connecting seat 5, and the end of the movable column 22 away from the adjustment screw 21 is rotatably connected to the clamping plate 8.

[0029] In order to facilitate clamping of the workpiece when the clamping plate 8 moves to contact the workpiece, multiple built-in spring telescopic rods 18 are evenly fixed at the upper and lower ends of the inner side of the clamping plate 8. The telescopic ends of the built-in spring telescopic rods 18 are fixed with connecting frames 17, and clamping wheels 16 are rotatably connected to the inner side of the connecting frames 17.

[0030] When the workpiece needs to be clamped, first, the adjusting motor 20 is started to drive the adjusting screw 21 to rotate, and the adjusting screw 21 drives the moving column 22 in threaded connection therewith to move along the axial direction of the adjusting screw 21, and when the moving column 22 moves, the clamping plate 8 is simultaneously moved, and when the clamping plate 8 moves to contact the clamping wheel 16 with the workpiece, the workpiece will extrude the clamping wheel 16, so that the clamping wheel 16 drives the built-in spring telescopic rod 18 to contract, and at the same time, the clamping wheel 16 rotates, which can reduce the friction and wear of the workpiece, and after the workpiece moves to the inner side of the clamping plate 8, the built-in spring telescopic rod 18 continuously applies elasticity to the connecting frame 17 and the clamping wheel 16, so that the workpiece can be clamped, thereby avoiding displacement of the workpiece when the workpiece is turned over.

[0031] In the utility model, the description of the structure direction and relative position relation, such as the description of before and after, left and right, up and down, does not constitute the limitation to the utility model, and is only convenient for description.

Claims

1. An adjustable pitch SMT patch transport device, characterized by: The utility model provides a support frame (1) is provided with the conveyer belt (2) at the top, the conveyer belt (2) is provided with a plurality of bearing plates (4) at the top, the lower end of bearing plate (4) is fixed with the extension frame (9), the extension frame (9) is fixedly connected with conveyer belt (2) through the support column (10), the top of bearing plate (4) is provided with two bearing blocks (6) symmetrically longitudinally, bearing block (6) is fixedly connected with bearing plate (4), both sides of bearing plate (4) are provided with the connecting seat (5), the side close to bearing plate (4) of connecting seat (5) is provided with the clamping plate (8), the position corresponding with clamping plate (8) in the inside of connecting seat (5) is provided with drive assembly, is used for moving clamping plate (8), the lower end of connecting seat (5) is provided with lifting assembly, both sides of the top of support frame (1) are fixed with fixed plate (3), the lower end of the top of fixed plate (3) is fixed with drive rack (25) and is used for cooperating lifting assembly.

2. The adjustable pitch SMT patch delivery device of claim 1, wherein: The lifting assembly includes a drive rod (14), the drive rod (14) is horizontally arranged in the inside of the extension frame (9), the drive rod (14) is rotatably connected with the extension frame (9), both ends of the drive rod (14) extend to the outside of the extension frame (9), one end of the drive rod (14) located outside the extension frame (9) is fixedly connected with a drive gear (15), the drive gear (15) is meshingly connected with the drive rack (25), the lower end of the connecting seat (5) is fixedly connected with a drive frame (11), the drive frame (11) extends to the lower end outside of the extension frame (9), the drive frame (11) is slidably connected with the extension frame (9), the inside of the drive frame (11) is fixedly connected with a transmission rack (24), the transmission rack (24) is meshingly connected with a transmission gear (23) fixedly connected with the drive rod (14) at the corresponding position.

3. An adjustable pitch SMT patch transport device according to claim 2, wherein: The top of both ends of the extension frame (9) and the corresponding position of the connecting seat (5) are uniformly fixedly connected with a plurality of positioning slide rods (12), the top of the positioning slide rod (12) extends to the top outside of the connecting seat (5), the positioning slide rod (12) is slidably connected with the connecting seat (5), the outside of one end of the positioning slide rod (12) close to the extension frame (9) is sleeved with a reset spring (13), one end of the reset spring (13) is fixedly connected with the connecting seat (5), the other end of the reset spring (13) is fixedly connected with the extension frame (9).

4. The adjustable pitch SMT patch delivery device of claim 1, wherein: The inside of the clamping plate (8) is uniformly fixedly connected with a plurality of built-in spring telescopic rods (18) at the upper and lower ends, the telescopic end of the built-in spring telescopic rod (18) is fixedly connected with a connecting frame (17), the inside of the connecting frame (17) is rotatably connected with a clamping wheel (16).

5. The adjustable pitch SMT patch delivery device of claim 1, wherein: The driving assembly comprises an adjusting motor (20) fixed to the inner side of the connecting seat (5), an output end of the adjusting motor (20) is fixed with an adjusting screw rod (21), an outer side of one end of the adjusting screw rod (21) away from the adjusting motor (20) is threadedly connected with a moving column (22), the moving column (22) is slidably connected with the connecting seat (5), and one end of the moving column (22) away from the adjusting screw rod (21) is rotatably connected with the clamping plate (8).

6. The adjustable pitch SMT patch delivery device of claim 1, wherein: The top end of the bearing plate (4) and the position between the two bearing blocks (6) are provided with an inclined plate (7), the lower end of the inclined plate (7) is uniformly fixed with a plurality of elastic springs (26), and the lower end of the elastic spring (26) is fixedly connected with the bearing plate (4).

7. The adjustable pitch SMT patch delivery device of claim 1, wherein: The upper and lower ends of the clamping plate (8) are uniformly fixed with a plurality of positioning balls (19), the bearing plate (4) is provided with a sliding groove at a position corresponding to the positioning ball (19), and the positioning ball (19) is slidably connected with the bearing plate (4) through the sliding groove.

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