Automatic conveying and feeding device for printed circuit board

Abstract

The utility model discloses an automatic conveying and feeding device for a printed circuit board, which belongs to the technical field of circuit board packaging and comprises a rack, a lifting mechanism is mounted in the rack, a dismounting and mounting component is arranged at the top of the lifting mechanism, and control components are mounted on two sides of the rack. The motor can drive the two screw rods to rotate synchronously through the gear meshing structure, under meshing connection between the screw rods and the transmission blocks, the two transmission blocks can synchronously move in a limited mode to drive the mechanical arm on the top to conduct longitudinal movement position adjustment, the double-screw-rod transmission structure can enable the moving platform to move more stably, and the clamping and conveying precision of the mechanical arm is higher. According to the utility model, through the arrangement of the dismounting assembly, the sliding limiting insertion rod between the T-shaped slide block and the slide rail is inserted into the through hole, so that the component material box can be firmly installed, the insertion rod is lifted up to move out of the through hole, and then the component material box can be taken down after being drawn, so that the dismounting operation is simpler and more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board packaging, and in particular relates to an automatic conveying and feeding device for printed circuit boards. Background Art

[0002] With the development of electronic technology, printed circuit boards are widely used in the electronic industry. It is mainly a circuit packaging technology that solders components on a substrate (chip) through a feeding mechanism, and then solders and assembles them through reflow soldering or dip soldering.

[0003] Chinese patent application No. 202222941339.4 discloses an automatic conveying and feeding device for printed circuit boards. In the device, the conveying lifting platform includes: a lifting base plate and a material box seat plate, and the lifting base plate is installed on the frame through a screw nut mechanism; the upper surface of the lifting base plate is provided with a movable slide groove along the front-to-back direction; the lower surface of the material box seat plate is provided with a movable guide rail, and the movable guide rail is adapted to the movable slide groove; the upper surface of the material box seat plate is placed with a component material box; the manipulator includes: a mounting bracket, a first moving platform, a second moving platform and an end effector; there are two mounting brackets, and the two mounting brackets are located at both ends of the frame along the left-right direction, and each mounting bracket is provided with a first slide rail along the front-to-back direction; the first moving platform is slidably mounted on the first slide rail, and the upper surface of the first moving platform is provided with a second slide rail along the left-to-right direction; the second moving platform is slidably mounted on the second slide rail; the front side of the second moving platform is provided with a plurality of third slide rails, and an end effector is slidably mounted on each third slide rail.

[0004] In the above-mentioned public patent, the material box is installed and positioned on the top of the lifting base plate by bolts. The operation is too complicated and inconvenient to disassemble and assemble. The motor on the power mounting plate drives the screw to engage and transmit with the single-sided support leg at the bottom of the first moving platform. The single-sided force transmission will lead to poor transmission effect and poor movement stability. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic conveying and feeding device for printed circuit boards, which has the characteristics of stable movement and good use effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic conveying and feeding device for printed circuit boards, comprising a frame, a lifting mechanism is installed inside the frame, a disassembly and assembly assembly is arranged on the top of the lifting mechanism, a component material box is installed above the lifting mechanism, mounting plates are installed on both sides of the top of the frame, a moving platform is arranged above the mounting plate, a moving mechanism is installed on the top of the moving platform, a manipulator is arranged on the side of the moving mechanism, and control components are installed on both sides of the frame.

[0007] Preferably, the control component includes a transmission block, a screw, bevel gear 1, bevel gear 2, a rotating shaft, a motor and a base plate, wherein the base plates are installed on both sides of the frame, a screw is embedded in the interior of the base plate, the side end of the screw is connected to bevel gear 1, a motor is arranged on the side of bevel gear 1, the side end of the motor is connected to the rotating shaft, two bevel gears 2 are sleeved on the surface of the rotating shaft, and the bottom of both ends of the mobile platform are connected to transmission blocks, and the side edge of bevel gear 1 is tightly meshed with the side edge of bevel gear 2.

[0008] Preferably, a positioning block is connected to the end of the screw rod inside the bottom plate, and the bottom of the transmission block fits with the surface of the bottom plate.

[0009] Preferably, the disassembly and assembly components include slide rails, through holes, fixed seats, plug rods and sliders, wherein two slide rails are arranged on the top of the lifting mechanism, a through hole is opened inside the lifting mechanism, two sliders are connected to the bottom of the component material box, a fixed seat is connected to the side of the component material box, and an plug rod is embedded in the inside of the fixed seat.

[0010] Preferably, the inner groove of the slide rail and the slide block are both in a T-shaped structure, and a slot-type structure is formed between the insertion rod and the through hole.

[0011] Preferably, a fixing ring is sleeved on the surface of the insertion rod, and a spring is arranged above the fixing ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a control component, and the motor drives the two bevel gears 2 on the rotating shaft to rotate. The meshing transmission between the bevel gear 2 and the bevel gear 1 can drive the two screws to rotate synchronously. Under the meshing connection between the screw and the transmission block, the two transmission blocks can move synchronously and limit the position to drive the top manipulator to adjust the longitudinal movement position. The double-screw transmission structure can make the mobile platform move more smoothly and the manipulator's clamping and conveying accuracy is higher.

[0014] 2. The utility model provides a disassembly assembly component, and the elastic force of the spring on the fixing ring can make the insertion rod and the through hole tightly inserted, and the sliding limit between the T-shaped slider and the slide rail can make the component material box firmly installed on the top of the lifting mechanism 4, and the insertion rod can be lifted to remove it from the through hole and then the component material box can be removed by pulling, which can make the disassembly and assembly operation of the component material box easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is the front view of the control component of the utility model;

[0017] Figure 3This is the front view of the disassembly and assembly components of the utility model;

[0018] Figure 4 It is a cross-sectional view of the fixing seat of the utility model.

[0019] In the figure: 1. moving mechanism; 2. moving platform; 3. control component; 31. transmission block; 32. screw; 33. bevel gear one; 34. bevel gear two; 35. rotating shaft; 36. motor; 37. bottom plate; 38. positioning block; 4. lifting mechanism; 5. disassembly and assembly component; 51. slide rail; 52. through hole; 53. fixed seat; 54. plug rod; 55. slider; 56. spring; 57. fixing ring; 6. frame; 7. mounting plate; 8. component material box; 9. manipulator. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an automatic conveying and feeding device for printed circuit boards, comprising a frame 6, a lifting mechanism 4 is installed inside the frame 6, a disassembly assembly 5 is arranged on the top of the lifting mechanism 4, a component material box 8 is installed above the lifting mechanism 4, mounting plates 7 are installed on both sides of the top of the frame 6, a moving platform 2 is arranged above the mounting plate 7, a moving mechanism 1 is installed on the top of the moving platform 2, a manipulator 9 is arranged on the side of the moving mechanism 1, and control components 3 are installed on both sides of the frame 6.

[0023] Specifically, the control component 3 includes a transmission block 31, a screw 32, a bevel gear 1 33, a bevel gear 2 34, a rotating shaft 35, a motor 36 and a base plate 37. The base plates 37 are installed on both sides of the frame 6. The screw 32 is embedded in the base plate 37. The side end of the screw 32 is connected to the bevel gear 1 33. The side of the bevel gear 1 33 is provided with a motor 36. The side end of the motor 36 is connected to the rotating shaft 35. The surface of the rotating shaft 35 is sleeved with two bevel gears 2 34. The bottom of both ends of the mobile platform 2 is connected to the transmission block 31, and the side of the bevel gear 1 33 is tightly meshed with the side of the bevel gear 2 34.

[0024] By adopting the above technical solution, the motor 36 drives the two bevel gears 34 on the rotating shaft 35 to rotate, so that the two screws 32 can rotate synchronously. Under the meshing connection between the screw 32 and the transmission block 31, the transmission block 31 and the bottom plate 37 are slidingly limited, and the two transmission blocks 31 can move synchronously to drive the top manipulator 9 to adjust the longitudinal movement position.

[0025] Specifically, a positioning block 38 is connected to the end of the screw rod 32 inside the bottom plate 37 , and the bottom of the transmission block 31 fits with the surface of the bottom plate 37 .

[0026] By adopting the above technical solution, the positioning block 38 plays a positioning role and can ensure that the bevel gear 2 34 and the bevel gear 1 33 are firmly engaged.

[0027] When this embodiment is used, the starting motor 36 drives the two bevel gears 2 34 on the rotating shaft 35 to rotate, and the meshing transmission between the bevel gear 2 34 and the bevel gear 1 33 can drive the two screws 32 to rotate synchronously, and under the meshing connection between the screw 32 and the transmission block 31, the transmission block 31 and the bottom plate 37 are slidably limited, and the two transmission blocks 31 can be synchronously limited to move and drive the top manipulator 9 to adjust the longitudinal movement position. The double-screw transmission structure can make the movement of the mobile platform 2 more stable and the gripping and conveying accuracy of the manipulator 9 higher. The mobile mechanism 1 can control and drive the manipulator 9 to adjust the lateral movement position, and the manipulator 9 can implement gripping and transfer of the printed circuit board in the component material box 8 for feeding.

[0028] Example 2

[0029] The difference between this embodiment and embodiment 1 is that the disassembly assembly 5 includes a slide rail 51, a through hole 52, a fixed seat 53, an insertion rod 54 and a slider 55, two slide rails 51 are arranged on the top of the lifting mechanism 4, a through hole 52 is opened inside the lifting mechanism 4, two sliders 55 are connected to the bottom of the component material box 8, a fixed seat 53 is connected to the side of the component material box 8, and an insertion rod 54 is embedded in the inside of the fixed seat 53.

[0030] Specifically, the inner groove of the slide rail 51 and the slider 55 are both in a T-shaped structure, and the insertion rod 54 and the through hole 52 are in a slot-type structure.

[0031] By adopting the above technical solution, the sliding limit between the T-shaped slider 55 and the slide rail 51 can make the component material box 8 installed more firmly.

[0032] Specifically, a fixing ring 57 is sleeved on the surface of the insert rod 54 , and a spring 56 is arranged above the fixing ring 57 .

[0033] By adopting the above technical solution, the insertion rod 54 and the through hole 52 can be tightly plugged together under the elastic force of the spring 56 on the fixing ring 57 .

[0034] When this embodiment is used, the elastic force of the spring 56 on the fixing ring 57 can make the insertion rod 54 and the through hole 52 tightly plugged in, and the sliding limit between the T-shaped slider 55 and the slide rail 51 can make the component material box 8 firmly installed on the top of the lifting mechanism 4, and the insertion rod 54 can be lifted up to move it out of the through hole 52, and then the component material box 8 can be removed by pulling, which can make the disassembly and assembly operation of the component material box 8 easier.

[0035] The motor 36 in the present invention is an existing disclosed technology, and the selected model is Z2D15W.

[0036] The structure and use principle of the mobile mechanism 1, mobile platform 2, lifting mechanism 4, frame 6, mounting plate 7, component material box 8 and manipulator 9 in the utility model have been disclosed in Chinese patent application No. 202222941339.4 which discloses an automatic conveying and feeding device for printed circuit boards. Its working principle is that the mobile mechanism 1 can drive the manipulator 9 to move, and the manipulator 9 can clamp and transfer the printed circuit board in the component material box 8.

[0037] Working principle and use process of the utility model: When the utility model is used, the starting motor 36 drives the two bevel gears 34 on the rotating shaft 35 to rotate, and the meshing transmission between the bevel gear 34 and the bevel gear 1 33 can drive the two screws 32 to rotate synchronously, and under the meshing connection between the screw 32 and the transmission block 31, the transmission block 31 and the bottom plate 37 slide and limit, and the two transmission blocks 31 can synchronously limit and move to drive the top manipulator 9 to adjust the longitudinal movement position. The double-screw transmission structure can make the mobile platform 2 move more smoothly and the manipulator 9 can clamp more stably. The conveying accuracy is higher, the moving mechanism 1 can control and drive the manipulator 9 to adjust the lateral movement position, the manipulator 9 can clamp and transfer the printed circuit board in the component material box 8 for feeding, the elastic force of the spring 56 on the fixing ring 57 can make the insertion rod 54 and the through hole 52 tightly plugged, the sliding limit between the T-shaped slider 55 and the slide rail 51 can make the component material box 8 firmly installed on the top of the lifting mechanism 4, lift the insertion rod 54 to move it out of the through hole 52, and then pull the component material box 8 to remove it, which can make the disassembly and assembly operation of the component material box 8 easier.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A printed circuit board automatic conveying and feeding device, comprising a frame, characterized in that: A lifting mechanism is installed inside the frame, a disassembly assembly is arranged on the top of the lifting mechanism, a component material box is installed above the lifting mechanism, mounting plates are installed on both sides of the top of the frame, a moving platform is arranged above the mounting plate, a moving mechanism is installed on the top of the moving platform, a manipulator is arranged on the side of the moving mechanism, and control components are installed on both sides of the frame; The control component includes a transmission block, a screw, a bevel gear 1, a bevel gear 2, a rotating shaft, a motor and a bottom plate, wherein the bottom plates are installed on both sides of the frame, the screw is embedded inside the bottom plate, the side end of the screw is connected to the bevel gear 1, the side of the bevel gear 1 is provided with a motor, the side end of the motor is connected to the rotating shaft, the surface of the rotating shaft is sleeved with two bevel gears 2, the bottom of both ends of the mobile platform are connected to the transmission blocks, and the side of the bevel gear 1 is tightly meshed with the side of the bevel gear 2; The disassembly and assembly components include slide rails, through holes, fixed seats, plug rods and sliders, wherein two slide rails are arranged on the top of the lifting mechanism, a through hole is opened inside the lifting mechanism, two sliders are connected to the bottom of the component material box, a fixed seat is connected to the side of the component material box, and an plug rod is embedded inside the fixed seat.

2. The automatic conveying and feeding device for printed circuit boards according to claim 1, characterized in that: The end of the screw rod inside the bottom plate is connected with a positioning block, and the bottom of the transmission block is in contact with the surface of the bottom plate.

3. The automatic conveying and feeding device for printed circuit boards according to claim 1, characterized in that: The inner groove of the slide rail and the slide block are both in a T-shaped structure, and a slot-type structure is formed between the insertion rod and the through hole.

4. The automatic conveying and feeding device for printed circuit boards according to claim 1, characterized in that: A fixing ring is sleeved on the surface of the inserting rod, and a spring is arranged above the fixing ring.

Images