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CN-122006970-A - LED lamp pearl processing injecting glue packaging equipment

CN122006970ACN 122006970 ACN122006970 ACN 122006970ACN-122006970-A

Abstract

The invention relates to the field of LED lamp bead packaging, in particular to LED lamp bead processing glue injection packaging equipment, which comprises a mounting shell, wherein a glue injection barrel is fixedly connected in the mounting shell, a glue injection pipe is fixedly connected to the side wall of the glue injection barrel, a first one-way valve is arranged in the glue injection pipe, a partition plate is fixedly connected in the glue injection barrel so as to divide the glue injection barrel into an upper cavity and a lower cavity, and a glue discharge pipe is fixedly connected to the bottom end of the partition plate. According to the invention, the partition plate, the first one-way valve, the second one-way valve and the negative pressure component are arranged, when the glue injection is finished, the first piston is inserted into and seals the glue discharging pipe to prevent glue from continuously flowing out, the negative pressure component is started to pump negative pressure to the isolated lower cavity, and strong negative pressure fully acts on the residual glue at the outlet of the glue injection head, so that the residual glue at the glue injection head is quickly sucked back, and the drawn glue wire or a glue section to be drawn is cleanly and cleanly sucked back, so that the residual wire drawing when the glue injection head is separated from a workpiece is reduced.

Inventors

  • LI FEI

Assignees

  • 山西星心半导体科技有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (9)

  1. 1. LED lamp pearl processing injecting glue encapsulation equipment, its characterized in that includes: The device comprises an installation shell (1), wherein a glue injection barrel (2) is fixedly connected in the installation shell (1), a glue injection pipe (3) is fixedly connected to the side wall of the glue injection barrel (2), a first one-way valve (4) is arranged in the glue injection pipe (3), a partition plate (5) is fixedly connected in the glue injection barrel (2) so as to divide the glue injection barrel (2) into an upper cavity and a lower cavity, a glue discharge pipe (6) is fixedly connected to the bottom end of the partition plate (5), and a second one-way valve (7) is arranged in the glue discharge pipe (6); The first piston (8), the sealed sliding connection of said first piston (8) is in the glue injection barrel (2), the said first piston (8) bottom fixedly connected with and arranges the seal rod (9) of the aperture looks adaptation of the rubber tube (6); The negative pressure assembly is started after the sealing rod (9) is inserted into the rubber discharging pipe (6) and used for generating negative pressure for the lower cavity, so that the rubber injection head (201) at the bottom end of the rubber injection barrel (2) can suck back packaging rubber, and the wire-drawn packaging rubber can be sucked back.
  2. 2. The LED lamp bead processing and glue injection packaging device of claim 1, wherein the negative pressure assembly comprises: The compression shell (10), compression shell (10) is fixedly connected to the side wall of the glue injection barrel (2), a second piston (11) is connected in the compression shell (10) in a sealing sliding manner, a first spring (12) is fixedly connected between the second piston (11) and the compression shell (10), and a pushing seat (13) is fixedly connected to the end part of the second piston (11); The clamping and positioning mechanism is used for driving and locking the pushing seat (13) and the second piston (11) in the upward glue supplementing process of the first piston (8) so that positive pressure is pre-stored in the lower cavity, and unlocking the first piston (8) until the sealing rod (9) is inserted into the rubber discharging pipe (6) when the first piston descends, so that the first spring (12) drives the second piston (11) to rapidly move, and negative pressure for sucking and drawing is generated in the lower cavity and a runner of the glue injection head (201).
  3. 3. The LED lamp bead processing and glue injection packaging device according to claim 2, wherein the negative pressure assembly further comprises a recycling mechanism for recycling the residual glue in the glue injection head (201) when the lower cavity generates positive pressure when the second piston (11) is reset.
  4. 4. The LED lamp bead processing and glue injection packaging device according to claim 3, wherein the recycling mechanism comprises: The three-way ball valve (25), the three-way ball valve (25) is rotationally connected in the glue injection head (201), two sides of the three-way ball valve (25) are symmetrically and fixedly connected with rotating shafts (26), and the rotating shafts (26) penetrate through the outer wall of the glue injection head (201) and are rotationally connected with the glue injection head (201); the recycling pipe (27) is fixedly communicated with the side wall of the glue injection head (201) at a position corresponding to the three-way ball valve (25); The rotary driving mechanism is used for driving the three-way ball valve (25) to rotate, when the rotary driving mechanism drives the three-way ball valve (25) to rotate to a first station, the runner of the glue injection head (201) is conducted, when the three-way ball valve (25) is driven to rotate to a second station, the glue injection head (201) is sealed, and the three-way ball valve (25) is communicated with the recovery pipe (27).
  5. 5. The LED lamp bead processing and glue injection packaging device of claim 4, wherein the rotary driving mechanism comprises: The two gears (28), the two gears (28) are fixedly connected to the rotating shaft (26) respectively; the L-shaped rack (29) is meshed with the side face of the gear (28), the top end of the L-shaped rack (29) penetrates through the bottom end of the installation shell (1) and then is in sliding connection with the installation shell (1), and the top end of the L-shaped rack (29) is fixedly connected with a first pushing block (30) and a second pushing block (31); The air cylinder (32), air cylinder (32) fixed connection is in installation shell (1), behind telescopic link tip of air cylinder (32) run through first impeller block (30) with first impeller block (30) sliding connection, telescopic link tip fixedly connected with push plate (33).
  6. 6. The LED lamp bead processing and glue injection packaging device according to claim 5, wherein the clamping and positioning mechanism comprises: The two clamping blocks (1301) are symmetrically and fixedly connected to the two sides of the pushing seat (13); Two clamping seats (14) matched with the clamping blocks (1301) in a clamping manner are symmetrically and slidingly connected to two sides of the compression shell (10), and a second spring (15) is fixedly connected between the clamping seats (14) and the compression shell (10).
  7. 7. The LED lamp bead processing and glue injection packaging device according to claim 6, wherein the clamping and positioning mechanism further comprises a connecting plate (16), and the connecting plate (16) is fixedly connected with a rod of the first piston (8); The L-shaped connecting frame (17), L-shaped connecting frame (17) top fixed connection is on connecting plate (16), the bottom of L-shaped connecting frame (17) rotates and is connected with pushing roller (18).
  8. 8. The LED lamp bead processing and glue injection packaging device according to claim 7, wherein the clamping and positioning mechanism further comprises: the two extrusion blocks (19), the two extrusion blocks (19) are respectively fixedly connected to the side walls of the two clamping seats (14); When the first piston (8) moves downwards to enable the sealing rod (9) to be inserted into the rubber discharging pipe (6), the extrusion rods (20) push the extrusion blocks (19) to enable the clamping seat (14) to move to release the positioning of the clamping block (1301).
  9. 9. The LED lamp bead processing and glue injection packaging device according to claim 7, further comprising a linkage mechanism for controlling the movement of the first piston (8) and the switching of the three-way ball valve (25) in a linkage manner, said linkage mechanism comprising: the two driving plates (21) are symmetrically and fixedly connected to the bottom end of the L-shaped connecting frame (17), driving grooves (22) are formed in the side walls of the driving plates (21), and the driving comprises a first straight groove, a chute and a second straight groove; The U-shaped pushing frame (23), U-shaped pushing frame (23) fixed connection is on the telescopic link of cylinder (32), U-shaped pushing frame (23) top symmetry fixedly connected with slide pin (24), slide pin (24) sliding connection is in drive groove (22).

Description

LED lamp pearl processing injecting glue packaging equipment Technical Field The invention relates to the field of LED lamp bead packaging, in particular to LED lamp bead processing glue injection packaging equipment. Background The packaging quality of the LED lamp beads directly influences the optical performance, the service life and the reliability of the LED lamp beads. In the packaging process, a dispensing process is often adopted to precisely coat packaging glue (such as epoxy resin and silica gel) on the chip and the bonding wire area so as to realize sealing protection, stress buffering and optical lens forming. At present, time-pressure type or screw pump type dispensing equipment is commonly adopted in the industry. However, in the high-speed precise dispensing process, particularly in the process of processing high-viscosity packaging glue, the glue solution is very easy to generate a wiredrawing phenomenon at the moment of separating the needle head from the substrate due to the action of cohesive force of the glue, and the residual glue wires are easily overlapped to a non-packaging area, so that the problems of pollution, short circuit or appearance defect are caused, and the product yield is easily damaged. Therefore, the invention provides LED lamp bead processing glue injection packaging equipment for solving the problems. Disclosure of Invention The LED lamp bead processing glue injection packaging equipment comprises a mounting shell, wherein a glue injection barrel is fixedly connected in the mounting shell, a glue injection pipe is fixedly connected to the side wall of the glue injection barrel, a first one-way valve is arranged in the glue injection pipe, a partition plate is fixedly connected in the glue injection barrel so as to divide the glue injection barrel into an upper cavity and a lower cavity, a glue discharge pipe is fixedly connected to the bottom end of the partition plate, and a second one-way valve is arranged in the glue discharge pipe; The first piston is connected in the glue injection barrel in a sealing sliding manner, and the bottom end of the first piston is fixedly connected with a sealing rod which is matched with the aperture of the glue discharge pipe; the negative pressure assembly is started after the sealing rod is inserted into the rubber discharging pipe and used for generating negative pressure for the lower cavity so that the rubber injection head at the bottom end of the rubber injection barrel can suck back the packaging rubber, and the wire-drawn packaging rubber can be sucked back. Preferably, the negative pressure assembly includes: The compression shell is fixedly connected to the side wall of the glue injection barrel, a second piston is connected in the compression shell in a sealing sliding manner, a first spring is fixedly connected between the second piston and the compression shell, and a pushing seat is fixedly connected to the end part of the second piston; The clamping and positioning mechanism is used for driving and locking the pushing seat and the second piston in the process of feeding the glue on the first piston in an ascending manner, so that positive pressure is pre-stored in the lower cavity, and unlocking the locking when the first piston descends to the sealing rod and is inserted into the rubber discharging pipe, so that the first spring drives the second piston to rapidly move, and negative pressure for sucking back and drawing is generated in the lower cavity and the glue injection head flow channel. Preferably, the negative pressure assembly further comprises a recycling mechanism for recycling residual glue in the glue injection head when the second piston moves to enable the lower cavity to generate positive pressure. Preferably, the recovery mechanism includes: The three-way ball valve is rotationally connected in the glue injection head, two sides of the three-way ball valve are symmetrically and fixedly connected with rotating shafts, and the rotating shafts penetrate through the outer wall of the glue injection head and are rotationally connected with the glue injection head; The position of the recovery pipe corresponding to the three-way ball valve is fixedly communicated with the side wall of the glue injection head; The rotary driving mechanism is used for driving the three-way ball valve to rotate, when the rotary driving mechanism drives the three-way ball valve to rotate to the first station, the runner of the glue injection head is conducted, when the rotary driving mechanism drives the three-way ball valve to rotate to the second station, the glue injection head is sealed, and the three-way ball valve is communicated with the recovery pipe. Preferably, the rotation driving mechanism includes: The two gears are respectively and fixedly connected to the rotating shaft; The L-shaped rack is meshed with the side face of the gear, the top end of the L-shaped rack penetrates through the bottom end of the installa