Automatic PCB turning mechanism
By designing a PCB automatic flip mechanism including rotating bracket, flip assembly, clamp assembly and conveying assembly, the problem that the existing vacuum negative pressure suction flip structure cannot effectively absorb the product and lead to large accuracy errors is achieved. High-precision PCB board flip and transmit.
Patent Information
- Application Number
- CN202420959943.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-05
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-05
AI Technical Summary
The existing vacuum negative pressure suction flap structure cannot effectively absorb the product, and it is easy to cause the product to fall off due to insufficient negative pressure, and problems such as slanting and loosening during the material removal process. It also has a large accuracy error, large space occupancy and single function. Cannot meet the needs of automation.
A PCB automatic flip mechanism is designed, including a rotating bracket, a flip assembly, a clamping assembly and a conveying assembly. The 360° flip function is achieved through the servo motor and reducer drive coupling, and the clamping cylinder and a conveying module are realized. Fixing and transfer of PCB board.
It realizes high-precision PCB board flip and transfer, with an accuracy error of ±0.05mm, high repeatability accuracy, adjustable movement speed, small space occupied, convenient maintenance, and improved working stability and efficiency.
Smart Images
Figure CN222531906U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of automation technology, and in particular relates to a PCB automatic flipping mechanism. Background Art
[0002] The flap mechanisms currently sold on the market are mainly based on vacuum negative pressure suction. Problems often occur, such as the material picking method cannot effectively suck the product, the product falls off due to insufficient negative pressure, and there are problems such as deviation and looseness during the material picking process. In addition, the precision error is large, the space occupied is large, the function is single, the error cannot be controlled, and it cannot meet the needs of automation. Summary of the invention
[0003] The embodiment of the utility model provides a PCB automatic flipping mechanism, which aims to solve the problems of the flipping structure of vacuum negative pressure suction material failing to effectively suck the product, causing the product to fall off due to insufficient negative pressure, and causing deflection and looseness during the material removal process.
[0004] The utility model embodiment is achieved in this way:
[0005] A PCB automatic flipping mechanism comprises a rotating bracket, a flipping assembly, a clamping assembly, and a conveying assembly; the rotating bracket comprises a first rotating bracket and a second rotating bracket; the flipping assembly comprises an active flipping assembly and a passive flipping assembly; the first rotating bracket is provided with an active flipping assembly, the second rotating bracket is provided with a passive flipping assembly, the active flipping assembly and the passive flipping assembly are respectively connected to the clamping assembly, and the clamping assembly is provided on both sides of the conveying assembly.
[0006] As a preferred embodiment, the first rotating bracket and the second rotating bracket respectively include a rotating base plate and a rotating vertical plate; the rotating vertical plate is arranged on the rotating base plate; and a flip assembly is arranged on the rotating vertical plate for supporting the flip assembly.
[0007] As a preferred embodiment, the active flip assembly includes a reducer mounting plate, a servo motor, a reducer, a coupling and a first rotating mounting plate; the reducer mounting plate is fixedly arranged on the rotating vertical plate, the reducer is fixedly arranged on the reducer mounting plate, the servo motor, the reducer and the coupling are sequentially connected in transmission, and the end of the coupling is connected to the first rotating mounting plate, so that the servo motor drives the first rotating mounting plate to rotate. Further preferably, a through hole is provided on the rotating vertical plate, and the coupling is matched with the through hole. The servo motor on the active flip assembly drives the coupling to flip, realizing a smooth 360° flipping function.
[0008] As a preferred embodiment, the driven flip assembly includes a rotating shaft and a second rotating mounting plate, one end of the rotating shaft is fixedly connected to the second rotating mounting plate, and the other end of the rotating shaft is slidably connected to the rotating vertical plate. The driven flip assembly does not have an active flipping power device, and is arranged opposite to the active flip assembly, so as to jointly realize the flipping of the clamping assembly and the transmission assembly, thereby driving the PCB board in the clamping assembly and the transmission assembly to realize the flipping action.
[0009] As a preferred embodiment, the clamping assembly includes a first side plate, a second side plate, a clamping cylinder, a linear guide assembly and a connecting plate; the two sides of the connecting plate are respectively connected to the first rotating mounting plate and the first side plate; the clamping cylinder is arranged on the first side plate, one end of the piston rod of the clamping cylinder is connected to the second side plate, and the linear guide assembly is slidably connected to the first rotating mounting plate and the second side plate. Further preferably, the clamping assembly is divided into two groups, which are respectively connected to the active flip assembly and the driven flip assembly, so as to realize the clamping and separation of the upper and lower layers of the conveying assembly, and realize the clamping and fixing of the PCB board in the conveying assembly.
[0010] As a preferred embodiment, the transmission component includes an active transmission module and a driven transmission module; the active transmission module is connected to the first side plate; the driven transmission module is connected to the second side plate; the active transmission module and the driven transmission module are clamped and separated under the action of the clamping component.
[0011] The active transmission module includes a stepper motor, a plurality of synchronous wheels, a plurality of synchronous conveyor belts, a first conveyor side plate, a first connecting rod and a plurality of first conveyor rods; the first connecting rod connects and fixes the two first conveyor side plates; a plurality of first conveyor rods are evenly arranged in the two first conveyor side plates; the synchronous wheel is arranged at the end of the first conveyor rod, and the stepper motor realizes the synchronous rotation of the plurality of first conveyor rods through the synchronous wheel and the synchronous conveyor belt. When the two clamping cylinders on the left and right sides of the clamping assembly are closed and clamped to the conveying assembly at the same time, the stepper motor implements the function of smoothly conveying the PCB board through the synchronous wheel and the synchronous conveyor belt.
[0012] The driven transmission module includes a second transmission side plate, a second connecting rod and a plurality of second transmission rods; the second connecting rod connects and fixes the two second transmission side plates; and the plurality of second transmission rods are evenly arranged in the two second transmission side plates.
[0013] As a preferred embodiment, the first conveying rod and the second conveying rod are respectively provided with rollers; further preferably, a spacer sleeve is provided between the rollers.
[0014] As a preferred embodiment, the PCB automatic flip mechanism further includes a sensing component, the sensing component includes an inductive photoelectric and a photoelectric sensor, the inductive photoelectric includes an incoming material inductive photoelectric arranged at the incoming material end and an inductive material photoelectric arranged at the unloading material end; further preferably, the incoming material inductive photoelectric and the inductive material photoelectric are respectively arranged on the second connecting rod. In addition, the photoelectric sensor is arranged on the photoelectric support frame.
[0015] The operating principle of the above-mentioned PCB automatic flipping mechanism is: the incoming material sensing photoelectric detects the arrival of the PCB board and enables the stepper motor to run, and the PCB board is transmitted to the sensing material photoelectric through the rotation of the synchronous wheel and the synchronous conveyor belt, and then the left and right clamping cylinders drive the driven transmission module to tighten the PCB; the servo motor and the reducer are running, and the PCB board transmission assembly is flipped 360° through the coupling rotating shaft to realize the flipping function.
[0016] The PCB automatic flipping mechanism of the utility model has the functions of transmission and flipping, with an accuracy error of ±0.05mm and a repeatability accuracy of ±0.05mm. The moving speed can be adjusted according to the needs, and the high precision and the transfer speed can be guaranteed at the same time.
[0017] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:
[0018] 1. The turning and conveying method of the PCB automatic turning mechanism of the utility model is to clamp the upper and lower side plates of the cylinder to work simultaneously, so that the PCB board is fixed and then turned over. It has high repetition accuracy, small space occupation, convenient maintenance and improved working stability.
[0019] 2. The automatic PCB flipping mechanism of the utility model has a simple structure, which replaces the cumbersome manual debugging and installation steps, saves time and improves work efficiency, and also brings stability and diversity to the use of PCB flipping. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic structural diagram of the PCB automatic flipping mechanism from a first perspective in the embodiment;
[0021] Figure 2 It is a second perspective structural diagram of the PCB automatic flipping mechanism in the embodiment;
[0022] Figure 3 It is a third-view structural diagram of the PCB automatic flipping mechanism in the embodiment;
[0023] Figure 4 It is a schematic structural diagram from the fourth perspective of the PCB automatic flip mechanism in the embodiment. DETAILED DESCRIPTION
[0024] 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 of 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.
[0025] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0026] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.
[0028] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0029] At present, the flap structure of vacuum negative pressure suction has problems such as failure to effectively suck the product, product falling off due to insufficient negative pressure, and deflection and looseness during the material taking process. In order to solve the above technical problems, the utility model proposes a PCB automatic flap mechanism.
[0030] Example
[0031] like Figures 1 to 4 As shown, a PCB automatic flipping mechanism includes a rotating bracket 1, a flipping assembly 2, a clamping assembly 3, and a conveying assembly 4; the rotating bracket 1 includes a first rotating bracket 11 and a second rotating bracket 12; the flipping assembly 2 includes an active flipping assembly 21 and a driven flipping assembly 22; the first rotating bracket 11 is provided with an active flipping assembly 21, and the second rotating bracket 12 is provided with a driven flipping assembly 22, the active flipping assembly 21 and the driven flipping assembly 22 are respectively connected to the clamping assembly 3, and the clamping assembly 3 is provided on both sides of the conveying assembly 4.
[0032] As a preferred embodiment, the first rotating bracket 11 and the second rotating bracket 12 respectively include a rotating base plate 111 and a rotating vertical plate 112 ; the rotating vertical plate 112 is arranged on the rotating base plate 111 ; and a flip assembly 2 is arranged on the rotating vertical plate 112 for supporting the flip assembly 2 .
[0033] As a preferred embodiment, the active flip assembly 21 includes a reducer mounting plate 211, a servo motor 212, a reducer 213, a coupling 214, and a first rotating mounting plate 215; the reducer mounting plate 211 is fixedly arranged on the rotating vertical plate 112, the reducer 213 is fixedly arranged on the reducer mounting plate 211, the servo motor 212, the reducer 213 and the coupling 214 are sequentially connected in transmission, and the end of the coupling 214 is connected to the first rotating mounting plate 215, so that the servo motor 212 drives the first rotating mounting plate 215 to rotate. Further preferably, a through hole is provided on the rotating vertical plate 112, and the coupling 214 is matched with the through hole. The servo motor 212 on the active flip assembly 21 drives the coupling 214 to flip, realizing a smooth 360° flipping function.
[0034] As a preferred embodiment, the driven flip assembly 22 includes a rotating shaft 221 and a second rotating mounting plate 222, one end of the rotating shaft 221 is fixedly connected to the second rotating mounting plate 222, and the other end of the rotating shaft 221 is slidably connected to the rotating vertical plate 112. The driven flip assembly 22 does not have an active flipping power device, and is arranged opposite to the active flip assembly 21, so as to realize the flipping of the clamping assembly 3 and the transmission assembly 4 together, thereby driving the PCB boards in the clamping assembly 3 and the transmission assembly 4 to realize the flipping action.
[0035] As a preferred embodiment, the clamping assembly 3 includes a first side plate 31, a second side plate 32, a clamping cylinder 33, a linear guide assembly 34, and a connecting plate 35; the two sides of the connecting plate 35 are respectively connected to the first rotating mounting plate 215 and the first side plate 31; the clamping cylinder 33 is arranged on the first side plate 31, one end of the piston rod of the clamping cylinder 33 is connected to the second side plate 32, and the linear guide assembly 34 is slidably connected to the first rotating mounting plate 215 and the second side plate 32. Further preferably, the clamping assembly 3 is divided into two groups, which are respectively connected to the active flip assembly 21 and the driven flip assembly 22, so as to realize the clamping and separation of the upper and lower layers of the conveying assembly 4, and realize the clamping and fixing of the PCB board in the conveying assembly 4.
[0036] As a preferred embodiment, the transmission component 4 includes an active transmission module 41 and a driven transmission module 42; the active transmission module 41 is connected to the first side plate 31; the driven transmission module 42 is connected to the second side plate 32; the active transmission module 41 and the driven transmission module 42 are clamped and separated under the action of the clamping component 3.
[0037] As a preferred embodiment, the active transmission module 41 includes a stepper motor 411, a plurality of synchronous wheels 412, a plurality of synchronous conveyor belts 413, a first conveyor side plate 414, a first connecting rod 415 and a plurality of first conveyor rods 416; the first connecting rod 415 connects and fixes the two first conveyor side plates 414; the plurality of first conveyor rods 416 are evenly arranged in the two first conveyor side plates 414; the synchronous wheel 412 is arranged at the end of the first conveyor rod 416, and the stepper motor 411 realizes the synchronous rotation of the plurality of first conveyor rods 416 through the synchronous wheel 412 and the synchronous conveyor belt 413. When the left and right clamping cylinders 33 of the clamping assembly 3 are simultaneously closed to clamp the conveying assembly 4, the stepper motor 411 implements the function of smoothly conveying the PCB board through the synchronous wheel 412 and the synchronous conveyor belt 413.
[0038] The driven transmission module 42 includes a second transmission side plate 421 , a second connecting rod 422 and a plurality of second transmission rods 423 ; the second connecting rod 422 connects and fixes the two second transmission side plates 421 ; and the plurality of second transmission rods 423 are evenly arranged in the two second transmission side plates 421 .
[0039] As a preferred embodiment, the first conveying rod 416 and the second conveying rod 423 are respectively provided with rollers 417 ; further preferably, a spacer sleeve 418 is provided between the rollers 417 .
[0040] As a preferred embodiment, the PCB automatic flip mechanism further includes a sensor component 5, the sensor component includes an inductive photoelectric and a photoelectric sensor 51, the inductive photoelectric includes an incoming material inductive photoelectric 52 arranged at the incoming material end and an inductive material photoelectric 53 arranged at the unloading material end; further preferably, the incoming material inductive photoelectric 52 and the inductive material photoelectric 53 are respectively arranged on the second connecting rod 422. In addition, the photoelectric sensor 51 is arranged on the photoelectric support frame 511.
[0041] The operating principle of the above-mentioned PCB automatic flipping mechanism is: the incoming material sensing photoelectric detects the arrival of the PCB board and enables the stepper motor to run, and the PCB board is transmitted to the sensing material photoelectric through the rotation of the synchronous wheel and the synchronous conveyor belt, and then the left and right clamping cylinders drive the driven transmission module to tighten the PCB; the servo motor and the reducer are running, and the PCB board transmission assembly is flipped 360° through the coupling rotating shaft to realize the flipping function.
[0042] The PCB automatic flipping mechanism of the utility model has the functions of transmission and flipping, with an accuracy error of ±0.05mm and a repeatability accuracy of ±0.05mm. The moving speed can be adjusted according to the needs, and the high precision and the transfer speed can be guaranteed at the same time.
[0043] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:
[0044] 1. The turning and conveying method of the PCB automatic turning mechanism of the utility model is to clamp the upper and lower side plates of the cylinder to work simultaneously, so that the PCB board is fixed and then turned over. It has high repetition accuracy, small space occupation, convenient maintenance and improved working stability.
[0045] 2. The automatic PCB flipping mechanism of the utility model has a simple structure, which replaces the cumbersome manual debugging and installation steps, saves time and improves work efficiency, and also brings stability and diversity to the use of PCB flipping.
[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A PCB automatic flipping mechanism, characterized by: It includes a rotating bracket, a flip assembly, a clamping assembly, and a transmission assembly; the rotating bracket includes a first rotating bracket and a second rotating bracket; The flipping assembly includes an active flipping assembly and a passive flipping assembly; the active flipping assembly is arranged on the first rotating bracket, and the passive flipping assembly is arranged on the second rotating bracket. The active flipping assembly and the passive flipping assembly are respectively connected to the clamping assembly, and the clamping assembly is arranged on both sides of the transmission assembly.
2. The PCB automatic flipping mechanism according to claim 1 is characterized in that: The first rotating bracket and the second rotating bracket respectively include a rotating bottom plate and a rotating vertical plate; the rotating vertical plate is arranged on the rotating bottom plate; and a flip assembly is arranged on the rotating vertical plate.
3. The PCB automatic flipping mechanism according to claim 2 is characterized in that: The active flipping assembly includes a reducer mounting plate, a servo motor, a reducer, a coupling and a first rotating mounting plate; the reducer mounting plate is fixedly arranged on the rotating vertical plate, the reducer is fixedly arranged on the reducer mounting plate, the servo motor, the reducer and the coupling are sequentially connected in transmission, and the end of the coupling is connected to the first rotating mounting plate, so that the servo motor drives the first rotating mounting plate to rotate.
4. The PCB automatic flipping mechanism according to claim 2 is characterized in that: The driven flip assembly comprises a rotating shaft and a second rotating mounting plate, one end of the rotating shaft is fixedly connected to the second rotating mounting plate, and the other end of the rotating shaft is slidably connected to the rotating vertical plate.
5. The PCB automatic flipping mechanism according to claim 3 is characterized in that: The clamping assembly includes a first side plate, a second side plate, a clamping cylinder, a linear guide assembly and a connecting plate; the two sides of the connecting plate are respectively connected to the first rotating mounting plate and the first side plate; the clamping cylinder is arranged on the first side plate, one end of the piston rod of the clamping cylinder is connected to the second side plate, and the linear guide assembly is slidably connected to the first rotating mounting plate and the second side plate.
6. The PCB automatic flipping mechanism according to claim 1 is characterized in that: The clamping components are divided into two groups, which are respectively connected to the active flipping component and the driven flipping component to achieve clamping and separation of the upper and lower layers of the conveying component.
7. The PCB automatic flipping mechanism according to claim 5 is characterized in that: The transmission assembly includes an active transmission module and a passive transmission module; the active transmission module is connected to the first side plate; and the passive transmission module is connected to the second side plate.
8. The PCB automatic flipping mechanism according to claim 7 is characterized in that: The active transmission module includes a stepper motor, a plurality of synchronous wheels, a plurality of synchronous conveyor belts, a first conveying side plate, a first connecting rod and a plurality of first conveying rods; the first connecting rod connects and fixes the two first conveying side plates; the plurality of first conveying rods are evenly arranged in the two first conveying side plates; the synchronous wheel is arranged at the end of the first conveying rod, and the stepper motor realizes the synchronous rotation of the plurality of first conveying rods through the synchronous wheel and the synchronous conveyor belt.
9. The PCB automatic flipping mechanism according to claim 7, characterized in that: The driven transmission module includes a second transmission side plate, a second connecting rod and a plurality of second transmission rods; the second connecting rod connects and fixes the two second transmission side plates; and the plurality of second transmission rods are evenly arranged in the two second transmission side plates.
10. The PCB automatic flipping mechanism according to claim 1, characterized in that: It also includes a sensing component, which includes an inductive photoelectric sensor and a photoelectric sensor. The inductive photoelectric sensor includes an incoming material sensing photoelectric sensor arranged at the incoming material end and an incoming material sensing photoelectric sensor arranged at the unloading material end.