A special chip mounting equipment for LED light strip production

Abstract

The present invention relates to the technical field of LED light bar production, and discloses a patch device dedicated to the production of LED light bars, including a patch chassis, a movable patch head is installed on the top of the patch chassis, and a feeding mechanism is sleeved inside one side of the top of the patch chassis, and the other side of the patch chassis is connected to a base, and the inner side of the middle of the base is sleeved with light bar raw materials, and both ends of the light bar raw materials are movably connected with dust suction pipes and detection mechanisms, and a negative pressure mechanism is installed on one side of the dust suction pipe, and a marking mechanism is connected to the reverse side of the bottom of the detection mechanism. The dust suction pipe and negative pressure mechanism provided by the present invention constitute a negative pressure dust suction pretreatment mechanism, and when used together with the base, the light bar raw materials with patches can be subjected to negative pressure dust suction pretreatment and preliminary clamping and moving, thereby improving the connection quality between the light bar raw materials and the patches and the stability of processing quality during mass production.

Description

Technical Field

[0001] The invention relates to the technical field of LED light bar production, in particular to a special chip placement device for producing LED light bars. Background Art

[0002] At present, the LED light-emitting system is made into a light strip-shaped light strip-shaped LED bulb, which is attracting more and more attention and attention from the lighting industry at home and abroad. The lighting effect of the light strip is similar to the incandescent bulb that people are familiar with, and has the advantage of all-round light output. At present, the main equipment used in the processing flow of light strip patch is the patch machine, which is also called "mounting machine" or "surface mounting system". In the production line, it is configured after the dispensing machine or screen printing machine. It is a device that accurately places surface mount components on the PCB pad by moving the mounting head. It can assist the staff in patch operations and greatly improve production efficiency. However, the existing patch machines also have great problems, mainly the lack of pretreatment of the raw materials for LED light strip processing, and the lack of detection and marking of the LED light strips produced after processing, which leads to poor stability of the production quality of the overall device, and it is impossible to detect defective products in time and control the defective rate. Summary of the invention

[0003] The present invention provides a chip placement device dedicated to the production of LED light strips, which solves the problems raised in the above background technology.

[0004] The present invention provides the following technical solution: a patch device dedicated to the production of LED light strips, comprising a patch machine case, a mobile placement head is installed on the top of the patch machine case, and a feeding mechanism is sleeved on the inside of one side of the top of the patch machine case, and the other side of the patch machine case is connected to a base, and a light strip raw material is sleeved on the inner side of the middle of the base, and both ends of the light strip raw material are movably connected with a dust suction pipe and a detection mechanism, respectively, a negative pressure mechanism is installed on one side of the dust suction pipe, and a marking mechanism is connected to the reverse side of the bottom of the detection mechanism.

[0005] The feeding mechanism preferably includes a conveyor belt inside, and the inner sides of both ends of the conveyor belt are movably sleeved with transmission rollers, the two transmission rollers are movably sleeved inside one side of the top of the patch machine case, and one end of one of the two transmission rollers protrudes out of the side wall of one side of the patch machine case and is fixedly connected to a brake stepper motor at its end face, one side of the bottom of the brake stepper motor is fixedly connected to the side surface of one side of the top of the patch machine case, a material trough and a clearance hole are opened on the surface of the conveyor belt, the bottom of the material trough is connected with the top of the clearance hole, and the clearance hole runs through the conveyor belt.

[0006] Preferably, a pushing mechanism is sleeved on the inner side of the middle part of the conveyor belt, and the interior of the pushing mechanism includes a pushing bracket, and a second pen-type electric push rod is fixedly sleeved on the interior of the pushing bracket, and the output end of the top of the second pen-type electric push rod is fixedly connected with a transition connecting plate, one end of the transition connecting plate is fixedly connected with a push rod, the push rod is aligned with the clearance hole, and the diameter of the push rod is smaller than the diameter of the clearance hole.

[0007] The interior of the dust suction pipe comprises a hollow tube, and the end faces at both ends of the hollow tube are respectively fixedly connected with a transmission shaft and a transition tube fixedly sleeved, one end of the transmission shaft is fixedly installed with a bearing seat through a bearing, a through-state dust suction groove is opened on the inner wall in the middle of the hollow tube, one end of the transition tube is clamped with a limiting tube, and a shaft sealing ring is installed at the sleeve joint of the transition tube and the limiting tube.

[0008] Preferably, a soft sleeve is fixedly sleeved on the surface of the hollow tube, and a corresponding groove is opened on the inner wall in the middle of the soft sleeve, and the corresponding groove arranged in the middle of the soft sleeve is aligned with the dust suction groove.

[0009] The negative pressure mechanism preferably includes a main negative pressure tube inside, and a filter screen is fixedly sleeved on the inner side of the middle part of the main negative pressure tube, the top of the main negative pressure tube is fixedly connected to a first transition negative pressure tube by screws, the top of the first transition negative pressure tube is fixedly connected to one end of a limiting tube, the bottom of the main negative pressure tube is fixedly installed with a second transition negative pressure tube, the bottom of the second transition negative pressure tube is fixedly installed with a third transition negative pressure tube by screws, one end of the third transition negative pressure tube is fixedly connected to a negative pressure pump, the bottom of the negative pressure pump is fixedly connected to a bracket, and one side of the bracket is fixedly connected to the inner wall on the other side of the patch chassis.

[0010] The detection mechanism preferably comprises a fixed support frame inside, and the bottom of the fixed support frame is fixedly connected to the top surface of the other side of the patch machine case, a T-shaped guide rod is clamped on the inner side of the middle part of the fixed support frame, a compression spring is fixedly installed between the surface of the bottom of the T-shaped guide rod and the inner wall of the top of the fixed support frame, an annular rod is fixedly sleeved on the inner side of the bottom of the T-shaped guide rod, a top pressure ball is movably sleeved on the bottom of the annular rod, a pressure sensor is movably connected to the top surface of the fixed support frame, a support sleeve is fixedly sleeved on the outer side of the pressure sensor, and the bottom of the support sleeve is fixedly connected to the top surface of the fixed support frame, the pressure sensor is electrically connected to a controller through a wire, a bearing is installed at the connection between the top pressure ball and the annular rod, and the top pressure ball is specifically made of soft material.

[0011] The marking mechanism preferably includes a first pen-type electric push rod inside, and the output end of the bottom of the first pen-type electric push rod is fixedly connected with a threaded sleeve, the internal thread of the threaded sleeve is connected with a marking pen, the surface of the bottom of the first pen-type electric push rod is fixedly connected with a fixed sleeve, and the fixed sleeve is fixedly connected to the reverse side of the bottom of the T-shaped guide rod, and the first pen-type electric push rod is electrically connected to the controller through a wire.

[0012] The present invention has the following beneficial effects:

[0013] 1. The vacuum pipe and negative pressure mechanism provided in the present invention constitute a negative pressure vacuum pretreatment mechanism. When used together with the base, the light strip material with the patch can be subjected to negative pressure vacuum pretreatment and preliminary clamping and movement, thereby improving the connection quality between the light strip material and the patch and the processing quality stability during mass production.

[0014] 2. The detection mechanism and marking mechanism provided in the present invention constitute a detection and marking mechanism. When used together with the base and the above-mentioned negative pressure dust suction pretreatment mechanism, continuous clamping can be achieved to improve the stability of the movement of the light strip raw material. At the same time, the position of the light strip raw material that is not attached to the patch can be detected and marked, thereby further improving the processing quality, timely discovering defective products, finding the causes, and controlling the defective rate.

[0015] 3. The feeding mechanism and the ejecting mechanism provided in the present invention constitute the feeding mechanism. When used together with the mobile mounting head, the mobile mounting head can absorb and attach more easily and stably, thereby optimizing the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a rear view schematic diagram of the structure of the present invention;

[0018] Figure 3 It is a partial enlarged schematic diagram of the structure of the present invention;

[0019] Figure 4 It is a front view schematic diagram of the dust suction pipe of the present invention;

[0020] Figure 5 It is a three-dimensional schematic diagram of the structural detection mechanism of the present invention;

[0021] Figure 6 The structure of the present invention Figure 2 A magnified schematic diagram of center A.

[0022] In the figure: 1. SMT chassis; 2. Mobile mounting head; 3. Feeding mechanism; 31. Conveyor belt; 32. Transmission roller; 33. Material trough; 34. Clearance hole; 35. Brake stepper motor; 4. Base; 5. Light bar raw material; 6. Dust suction pipe; 61. Hollow tube; 62. Transmission shaft; 63. Soft sleeve; 64. Dust suction trough; 65. Transition pipe; 66. Limiting pipe; 7. Negative pressure mechanism; 71. Main negative pressure pipe; 72. First transition negative pressure pipe; 73. Second transition negative pressure Tube; 74, the third transition negative pressure tube; 75, the negative pressure pump; 8, the detection mechanism; 81, the fixed support frame; 82, the T-shaped guide rod; 83, the compression spring; 84, the annular rod; 85, the top pressure ball; 86, the controller; 87, the pressure sensor; 9, the marking mechanism; 91, the first pen-type electric push rod; 92, the threaded sleeve; 93, the marking pen; 10, the ejection mechanism; 101, the ejection bracket; 102, the second pen-type electric push rod; 103, the transition connecting plate; 104, the ejector. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1 , Figure 2 , Figure 6A patch device dedicated to the production of LED light strips includes a patch chassis 1, a mobile patch head 2 is installed on the top of the patch chassis 1, and a feeding mechanism 3 is sleeved inside one side of the top of the patch chassis 1, and the inside of the feeding mechanism 3 includes a conveyor belt 31, and the inner sides of both ends of the conveyor belt 31 are movably sleeved with transmission rollers 32, and the two transmission rollers 32 are movably sleeved inside one side of the top of the patch chassis 1, and one end of the transmission roller 32 of the two transmission rollers 32 protrudes from the side wall of one side of the patch chassis 1 and is fixedly connected to a brake stepper motor 35 at its end face, and one side of the bottom of the brake stepper motor 35 is fixedly connected to the side surface of the top side of the patch chassis 1, and a material groove 33 and a clearance hole 34 are opened on the surface of the conveyor belt 31, and the bottom of the material groove 33 and the top of the clearance hole 34 are connected. The conveyor belt 31 is through-through, and the clearance hole 34 runs through the conveyor belt 31. The feeding mechanism 3 automatically feeds materials, which improves the operation mode of the mobile mounting head 2. The inner side of the middle part of the conveyor belt 31 is sleeved with the ejection mechanism 10, and the interior of the ejection mechanism 10 includes a top-pressing bracket 101, and the interior of the top-pressing bracket 101 is fixedly sleeved with a second pen-type electric push rod 102, and the output end of the top of the second pen-type electric push rod 102 is fixedly connected with a transition connecting plate 103, and one end of the transition connecting plate 103 is fixedly connected with a push rod 104, and the push rod 104 is aligned with the clearance hole 34, and the diameter of the push rod 104 is smaller than the diameter of the clearance hole 34. The feeding mechanism 3 and the ejection mechanism 10 form a feeding mechanism. When used together with the mobile mounting head 2, the mobile mounting head 2 can absorb and fit more easily and stably, thereby optimizing the processing effect.

[0025] See also Figure 1 , Figure 3 , Figure 4 , Figure 5, the other side of the patch chassis 1 is connected to a base 4, and a light strip material 5 is sleeved on the inner side of the middle of the base 4, and the two ends of the light strip material 5 are movably connected with a dust suction pipe 6 and a detection mechanism 8, and the interior of the dust suction pipe 6 includes a hollow tube 61, and the end faces of the two ends of the hollow tube 61 are respectively fixedly connected with a transmission shaft 62 and a transition tube 65 fixedly sleeved, and one end of the transmission shaft 62 is fixedly installed with a bearing seat through a bearing, and a through-state dust suction groove 64 is provided on the inner wall of the middle of the hollow tube 61, and one end of the transition tube 65 is clamped with a limit tube 66, and a shaft sealing ring is installed at the sleeve joint of the transition tube 65 and the limit tube 66. The dust suction pipe 6 can rotate itself while providing a negative pressure dust suction space, thereby realizing the rolling clamping of the light strip material 5, and the surface of the hollow tube 61 is fixed A flexible sleeve 63 is fixedly connected, and a corresponding groove is provided on the inner wall in the middle of the flexible sleeve 63. The corresponding groove arranged in the middle of the flexible sleeve 63 is aligned with the dust suction groove 64. The flexible sleeve 63 can prevent the dust suction pipe 6 from scratching the surface of the light strip material 5 during the rolling clamping of the light strip material 5. The interior of the detection mechanism 8 includes a fixed support frame 81, and the bottom of the fixed support frame 81 is fixedly connected to the top surface of the other side of the patch machine chassis 1. A T-shaped guide rod 82 is clamped on the inner side of the middle of the fixed support frame 81. A compression spring 83 is fixedly installed between the surface of the bottom of the T-shaped guide rod 82 and the inner wall of the top of the fixed support frame 81. An annular rod 84 is fixedly connected to the inner side of the bottom of the T-shaped guide rod 82. A top pressure ball 85 is movably connected to the bottom of the annular rod 84. The top surface of the fixed support frame 81 is movably connected to The pressure sensor 87 has a support sleeve fixedly sleeved on the outside of the pressure sensor 87, and the bottom of the support sleeve is fixedly connected to the top surface of the fixed support frame 81. The pressure sensor 87 is electrically connected to the controller 86 through a wire. A bearing is installed at the connection between the top pressure ball 85 and the annular rod 84, and the top pressure ball 85 is specifically made of soft material. The detection mechanism 8 detects the patch position of the light strip material 5 so that the staff can grasp the situation in time, and can also apply negative pressure to the patch of the light strip material 5. A negative pressure mechanism 7 is installed on one side of the dust suction pipe 6. The interior of the negative pressure mechanism 7 includes a main negative pressure pipe 71, and the inner side of the middle part of the main negative pressure pipe 71 is fixedly sleeved with a filter screen. The top of the main negative pressure pipe 71 is fixedly connected to the first transition negative pressure pipe 72 by screws. The first transition negative pressure pipe 7 2 is fixedly connected to one end of the limiting tube 66, a second transition negative pressure tube 73 is fixedly installed at the bottom of the main negative pressure tube 71, a third transition negative pressure tube 74 is fixedly installed at the bottom of the second transition negative pressure tube 73 by screws, one end of the third transition negative pressure tube 74 is fixedly connected to a negative pressure pump 75, a bracket is fixedly connected to the bottom of the negative pressure pump 75, and one side of the bracket is fixedly connected to the inner wall of the other side of the patch chassis 1, the dust suction pipe 6 and the negative pressure mechanism 7 constitute a negative pressure dust suction pretreatment mechanism, which can be used together with the base 4 to perform negative pressure dust suction pretreatment and preliminary clamping and moving on the light strip material 5 with the patch, thereby improving the connection quality between the light strip material 5 and the patch and the stability of processing quality during mass production, and the reverse side of the bottom of the detection mechanism 8 is connected to a marking mechanism 9,The marking mechanism 9 includes a first electric push rod 91 inside, and the output end at the bottom of the first electric push rod 91 is fixedly connected with a threaded sleeve 92, and the internal thread of the threaded sleeve 92 is connected with a marker pen 93. The surface of the bottom of the first electric push rod 91 is fixedly connected with a fixed sleeve, and the fixed sleeve is fixedly connected to the reverse side of the bottom of the T-shaped guide rod 82. The first electric push rod 91 is electrically connected to the controller 86 through a wire. The detection mechanism 8 and the marking mechanism 9 form a detection and marking mechanism. When used together with the base 4 and the above-mentioned negative pressure dust suction pretreatment mechanism, continuous clamping can be achieved, and the stability of the movement of the light strip material 5 can be improved. At the same time, the position of the light strip material 5 that is not attached to the patch can be detected and marked, so as to further improve the processing quality, timely discover defective products, find the cause, and control the defective rate.

[0026] Working principle: When in use, first place the patch in the material slot 33 inside the feeding mechanism 3, then start the brake stepper motor 35 inside the feeding mechanism 3, and the brake stepper motor 35 drives the feeding structure composed of the conveyor belt 31 and two transmission rollers 32 to rotate and feed, and then move the patch to the position aligned with the mobile placement head 2 for grabbing. After completion, start the mobile placement head 2 and the second stable electric push rod 102 inside the lifting mechanism 10 synchronously, and while the mobile placement head 2 grabs the patch inside the material slot 33 The second electric push rod 102 inside the ejection mechanism 10 pushes the transition connecting plate 103 and the ejector rod 104, and then the ejector rod 104 slightly ejects the patch inside the material slot 33 through the clearance hole 34, which is convenient for the mobile mounting head 2 to grab. After completion, the mobile mounting head 2 installs the patch at the specified position on the top surface of the light strip material 5, and then starts the traction device connected to the light strip material 5 to make the light strip material 5 move forward a certain distance to make room for the next installation position. In the process of transferring the light strip material 5, the negative pressure mechanism 7 is started. The negative pressure pump 75 is used to suck the dust on the top surface of the light strip material 5 without the patch into the main negative pressure pipe 71 through the third transition negative pressure pipe 74, the second transition negative pressure pipe 73, the first transition negative pressure pipe 72, the main negative pressure pipe 71, the limit pipe 66, the transition pipe 65, the dust suction groove 64, and the hollow pipe 61 to achieve pretreatment. For the part of the light strip material 5 that has been installed with the patch, the elastic clamping structure composed of the top pressure ball 85, the T-shaped guide rod 82, the compression spring 83 and the fixed support frame 81 inside the detection mechanism 8 will The top surface of the light strip material 5 is subjected to a re-pressure detection to maintain the pressure signal output by the pressure sensor 87, so that the first electric push rod 91 inside the marking mechanism 9 is turned on under the control of the controller 86 but is quickly closed. When there is no patch at the specified position of the light strip material 5, the pressure sensor 87 does not output a signal, and the controller 86 can start the first electric push rod 91 inside the marking mechanism 9, so that the first electric push rod 91 pushes the threaded sleeve 92 and the marking pen 93 to mark the missed position of the light strip material 5.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. At the same time, in the drawings of the present invention, the fill pattern is only for distinguishing layers, without any other limitation.

[0028] 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 chip placement device for LED light strip production, comprising a chip placement machine box (1), characterized in that: A movable placement head (2) is installed on the top of the patch machine box (1), and a feeding mechanism (3) is sleeved inside one side of the top of the patch machine box (1); a base (4) is connected to the other side of the patch machine box (1); a light bar material (5) is sleeved inside the middle of the base (4); two ends of the light bar material (5) are movably connected to a dust suction pipe (6) and a detection mechanism (8), a negative pressure mechanism (7) is installed on one side of the dust suction pipe (6), and a marking mechanism (9) is connected to the reverse side of the bottom of the detection mechanism (8); The detection mechanism (8) includes a fixed support frame (81) inside, and the bottom of the fixed support frame (81) is fixedly connected to the top surface of the other side of the patch machine box (1), a T-shaped guide rod (82) is clamped on the inner side of the middle part of the fixed support frame (81), a compression spring (83) is fixedly installed between the surface of the bottom of the T-shaped guide rod (82) and the inner wall of the top of the fixed support frame (81), and an annular rod (84) is fixedly sleeved on the inner side of the bottom of the T-shaped guide rod (82), and the annular rod (84) ) is movably sleeved with a top pressure ball (85), the top surface of the fixed support frame (81) is movably connected to a pressure sensor (87), the outer side of the pressure sensor (87) is fixedly sleeved with a support sleeve, and the bottom of the support sleeve is fixedly connected to the top surface of the fixed support frame (81), the pressure sensor (87) is electrically connected to a controller (86) via a wire, a bearing is installed at the connection between the top pressure ball (85) and the annular rod (84), and the top pressure ball (85) is specifically made of a soft material; The marking mechanism (9) comprises a first pen-type electric push rod (91) inside, and the output end at the bottom of the first pen-type electric push rod (91) is fixedly connected to a threaded sleeve (92), the internal thread of the threaded sleeve (92) is connected to a marking pen (93), the surface of the bottom of the first pen-type electric push rod (91) is fixedly sleeved with a fixed sleeve, and the fixed sleeve is fixedly connected to the reverse side of the bottom of the T-shaped guide rod (82), and the first pen-type electric push rod (91) is electrically connected to a controller (86) via a wire.

2. The chip placement equipment for LED light strip production according to claim 1, characterized in that: The feeding mechanism (3) includes a conveyor belt (31) inside, and transmission rollers (32) are movably sleeved on the inner sides of both ends of the conveyor belt (31), and the two transmission rollers (32) are movably sleeved inside one side of the top of the SMT machine case (1), and one end of one of the two transmission rollers (32) protrudes from the side wall of one side of the SMT machine case (1) and is fixedly connected to a brake stepping motor (35) at its end surface, and one side of the bottom of the brake stepping motor (35) is fixedly connected to the side surface of one side of the top of the SMT machine case (1), and a material trough (33) and a clearance hole (34) are provided on the surface of the conveyor belt (31), and the bottom of the material trough (33) is connected to the top of the clearance hole (34), and the clearance hole (34) passes through the conveyor belt (31).

3. The chip placement equipment for LED light strip production according to claim 2, characterized in that: A material pushing mechanism (10) is sleeved on the inner side of the middle of the conveyor belt (31), and the interior of the material pushing mechanism (10) includes a pushing support (101), and a second pen-type electric push rod (102) is fixedly sleeved on the interior of the pushing support (101), and the output end at the top of the second pen-type electric push rod (102) is fixedly connected to a transition connecting plate (103), and one end of the transition connecting plate (103) is fixedly connected to a push rod (104), and the push rod (104) is aligned with the clearance hole (34), and the diameter of the push rod (104) is smaller than the diameter of the clearance hole (34).

4. The chip placement equipment for LED light strip production according to claim 1, characterized in that: The dust suction pipe (6) comprises a hollow tube (61) inside, and the end surfaces at both ends of the hollow tube (61) are respectively fixedly connected to a transmission shaft (62) and a transition tube (65) fixedly sleeved thereon, one end of the transmission shaft (62) is fixedly mounted on a bearing seat via a bearing, a dust suction groove (64) is provided in a penetrating state on the inner wall of the middle part of the hollow tube (61), one end of the transition tube (65) is clamped on a limit tube (66), and a shaft sealing ring is installed at the sleeve joint between the transition tube (65) and the limit tube (66).

5. The chip placement equipment for LED light strip production according to claim 4, characterized in that: A soft sleeve (63) is fixedly sleeved on the surface of the hollow tube (61), and a corresponding groove is provided on the inner wall in the middle of the soft sleeve (63), and the corresponding groove provided in the middle of the soft sleeve (63) is aligned with the dust collection groove (64).

6. The chip placement equipment for LED light strip production according to claim 1, characterized in that: The negative pressure mechanism (7) comprises a main negative pressure pipe (71) inside, and a filter screen is fixedly sleeved on the inner side of the middle of the main negative pressure pipe (71); the top of the main negative pressure pipe (71) is fixedly connected to a first transition negative pressure pipe (72) by means of screws; the top of the first transition negative pressure pipe (72) is fixedly connected to one end of a limit pipe (66); the bottom of the main negative pressure pipe (71) is fixedly installed with a second transition negative pressure pipe (73); the bottom of the second transition negative pressure pipe (73) is fixedly installed with a third transition negative pressure pipe (74) by means of screws; one end of the third transition negative pressure pipe (74) is fixedly connected to a negative pressure pump (75); the bottom of the negative pressure pump (75) is fixedly connected to a bracket, and one side of the bracket is fixedly connected to the inner wall of the other side of the SMT chassis (1).

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