CN104780715A - LED lamp bead feeding device - Google Patents

Abstract

The invention provides an LED lamp bead feeding device. The LED lamp bead feeding device comprises a linear flow passage, a linear oscillator, a vacuum baffling part, a material arrival detecting sensor and a controller, wherein the linear oscillator drives the linear flow passage so as to enable LED lamp beads on the linear flow passage to flow from the feeding end to the discharging end of the linear flow passage; the vacuum baffling part is connected with the linear flow passage and is used for baffling the LED lamp beads flowing on the linear flow passage through vacuum adsorption; the material arrival detecting sensor is mounted on the discharging end and is used for sending out a first signal when LED lamp beads are detached at the discharging end and sending out a second signal when no LED lamp beads are detected at the discharging end; the controller is connected with the material arrival detecting sensor and the vacuum baffling part; the first signal triggers the controller to open the vacuum baffling part; the second signal triggers the controller to close the vacuum baffling part. The LED lamp bead feeding device can feed materials for a laminating machine under the condition that a braiding process is not used, so that the purchase cost of braiding equipment, the braiding labor cost, and a carrier band, a material tray and other production materials which are needed by braiding are saved, and the working efficiency is improved.

Description

LED lamp bead feeding device

technical field

The invention relates to the field of LED placement machines, in particular to an LED lamp bead feeding device.

Background technique

LED has developed rapidly in recent years, and it is most obvious in the field of lighting and display with its unique performance advantages. This makes the demand for LED patches further expand following the development of the industry. In the development process of LED patch, the original feeder feeding method is used. Although Feeder supply has the advantage of mature technology, it also has its disadvantages, such as the need to use braiding.

Contents of the invention

The invention provides an LED lamp bead feeding device capable of feeding a chip mounter without braiding.

In order to solve the above problems, as an aspect of the present invention, a LED lamp bead feeding device is provided, including: a linear flow channel; a linear vibrator, which drives the linear flow channel so that the LED lamp beads on the linear flow channel The feed end flows to the discharge end of the linear flow channel; the vacuum blocking part is connected with the linear flow channel, and is used for vacuum adsorption to block the LED lamp beads flowing on the linear flow channel; the material arrival detection sensor is installed at the discharge end, It is used to send the first signal when the LED lamp bead is detected at the discharge end, and to send the second signal when the LED lamp bead is not detected at the discharge end; the controller is connected with the material arrival detection sensor and the vacuum barrier , the first signal triggers the controller to open the vacuum barrier, and the second signal triggers the controller to close the vacuum barrier.

Preferably, the LED lamp bead feeding device further includes an air blowing nozzle for accelerating the flow velocity of the LED lamp beads on the straight flow channel.

Preferably, the LED lamp bead feeding device also includes a full material detection sensor that sends a full material signal when detecting that the LED lamp beads on the linear flow channel are full of material, and sends an insufficient material when detecting that the LED lamp beads on the linear flow channel are short of material. The under-material photoelectric switch of the signal, the full-material detection sensor and the under-material photoelectric switch are all connected to the controller, and the full-material detection sensor, under-material photoelectric switch and material arrival detection sensor are arranged in sequence along the direction from the feed end to the discharge end.

Preferably, the full material detection sensor, the material shortage photoelectric switch and the material arrival detection sensor are all photoelectric switches.

Preferably, the vacuum barrier includes a vacuum pump and a solenoid valve, the vacuum pump is connected to the vacuum suction hole at the bottom of the linear flow channel through the solenoid valve, and the solenoid valve is connected to the controller.

Preferably, there are multiple linear flow channels, and the multiple linear flow channels share one linear vibrator.

Preferably, the controller is a PLC controller.

Due to the adoption of the above technical scheme, the present invention can feed the placement machine without braiding, thus saving the cost of purchasing braiding equipment, labor costs for braiding, and loads used for braiding. The production materials required for braiding, such as tapes and reels, also improve work efficiency.

Description of drawings

Fig. 1 is a structural representation of the present invention

Figure 2 is a side view of the present invention.

FIG. 3 is a top view of FIG. 2 .

Figure 4 is a schematic diagram of the feed window.

Reference signs in the figure: 1. Linear flow channel; 2. Linear vibrator; 3. Material arrival detection sensor; 4. Air blowing nozzle; 5. Full material detection sensor; 6. Short material photoelectric switch.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

Please refer to Fig. 1 to Fig. 4, the present invention provides a kind of LED bead feeding device, including: linear flow channel 1; The feed end of the flow channel 1 flows to the discharge end of the linear flow channel 1; the vacuum blocking part is connected with the linear flow channel 1, and is used for vacuum adsorption to block the LED lamp beads flowing on the linear flow channel 1; the material arrival detection sensor 3. Installed at the discharge end, it is used to send the first signal when the LED lamp bead is detected at the discharge end, and to send the second signal when the LED lamp bead is not detected at the discharge end; the controller, and The incoming material detection sensor 3 is connected to the vacuum blocking part, the first signal triggers the controller to open the vacuum blocking part, and the second signal triggers the controller to close the vacuum blocking part.

When working, the linear vibrator 2 makes the LED lamp bead flow in the linear flow channel 1. When the LED lamp bead reaches the discharge end of the flow channel, the material arrival detection sensor 3 sends the first signal to the controller, and the controller receives the second signal. When a signal opens the vacuum barrier, the suction force and friction generated by the vacuum barrier are greater than the forward force provided by the linear vibrator, so it can prevent the LED lamp beads at the back from squeezing the LED lamp bead at the discharge end, and the feeding Preparations are complete. After the placement machine takes out the LED lamp bead at the discharge end, the material arrival detection sensor 3 sends a second signal to the controller. In this way, by repeating the above steps, the feeding of the placement machine can be completed.

Due to the adoption of the above technical scheme, the present invention can feed the placement machine without braiding, thus saving the cost of purchasing braiding equipment, labor costs for braiding, and loads used for braiding. The production materials required for braiding, such as tapes and reels, also improve work efficiency.

Preferably, the LED bead feeding device further includes an air blowing nozzle 4 for accelerating the flow velocity of the LED bead on the linear flow channel 1 . Using the air blowing nozzle 4 can accelerate the flow speed of the LED lamp beads on the linear flow channel 1 and improve the efficiency.

Preferably, the LED lamp bead feeding device also includes a full material detection sensor 5 that sends a full material signal when it detects that the LED lamp beads on the linear flow channel 1 are full and detects that the LED lamp beads on the linear flow channel 1 are underfilled. The under-material photoelectric switch 6 that sends out the under-material signal when material is being filled, the full-material detection sensor 5 and the under-material photoelectric switch 6 are all connected to the controller, the full-material detection sensor 5, the under-material photoelectric switch 6 and the material arrival detection sensor 3 are fed along The direction from the end to the discharge end is set in sequence. During the feeding process of the placement machine, the controller has been monitoring the full material detection sensor 5 and the photoelectric switch 6 for lack of material. When the material is full, the controller controls the external equipment to stop feeding; The device sends a filling request to inject LED lamp beads.

Preferably, the full material detection sensor 5 , the short material photoelectric switch 6 and the material arrival detection sensor 3 are all photoelectric switches.

Preferably, the vacuum barrier includes a vacuum pump and a solenoid valve, the vacuum pump is connected to the vacuum suction hole at the bottom of the linear flow channel 1 through the solenoid valve, and the solenoid valve is connected to the controller. In this way, through the control of the solenoid valve, the vacuum blocking part can make the LED lamp bead adsorb on the bottom of the linear flow channel 1 .

Preferably, there are multiple linear flow channels 1 , and multiple linear flow channels 1 share one linear vibrator 2 .

Preferably, the controller is a PLC controller.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. A LED lamp bead feeding device, characterized in that, comprising: Linear flow channel (1); The linear vibrator (2) drives the linear flow channel (1) so that the LED lamp beads on the linear flow channel (1) flow from the feed end of the linear flow channel (1) to the linear flow channel ( 1) The discharge end flows; The vacuum blocking part is connected with the linear flow channel (1), and is used for vacuum adsorption to block the flow of LED lamp beads on the linear flow channel (1); A material arrival detection sensor (3), installed at the discharge end, is used to send a first signal when an LED lamp bead is detected at the discharge end, and an LED at the discharge end is not detected. The second signal is sent when the lamp bead is turned on; A controller, connected to the material arrival detection sensor (3) and the vacuum barrier, the first signal triggers the controller to open the vacuum barrier, and the second signal triggers the controller to close the vacuum barrier the vacuum barrier. 2. The LED lamp bead feeding device according to claim 1, characterized in that, the LED lamp bead feeding device further includes a device for accelerating the flow speed of the LED lamp bead on the linear flow channel (1). blower nozzle (4). 3. The LED lamp bead feeding device according to claims 1 and 2, characterized in that, the LED lamp bead feeding device also includes the detection of the LED lamp bead on the linear flow channel (1). A full-material detection sensor (5) that sends a full-material signal when it is full, and a photoelectric switch (6) that sends an under-material signal when it detects that the LED lamp beads on the linear flow channel (1) are under-material, The full-material detection sensor (5) and the under-material photoelectric switch (6) are all connected to the controller, and the full-material detection sensor (5), the under-material photoelectric switch (6) and the Material detection sensors (3) are sequentially arranged along the direction from the feed end to the discharge end. 4. The LED lamp bead feeding device according to claims 1 to 3, characterized in that the full material detection sensor (5), the under material photoelectric switch (6) and the material arrival detection sensor (3 ) are photoelectric switches. 5. The LED lamp bead feeding device according to claim 1, characterized in that, the vacuum blocking part includes a vacuum pump and a solenoid valve, and the vacuum pump passes through the solenoid valve and the bottom of the linear flow channel (1). The vacuum suction hole is connected, and the electromagnetic valve is connected with the controller. 6. The LED lamp bead feeding device according to claim 1, characterized in that, the number of the linear flow channels (1) is multiple, and the multiple linear flow channels (1) share one Describe the linear vibrator (2). 7. The LED lamp bead feeding device according to claim 1, wherein the controller is a PLC controller.