A lamp string automatic assembly machine

By designing an automatic string light assembly machine, utilizing a linkage turntable and various processing devices, the problem of incomplete functionality in existing equipment was solved, and efficient automated production of string lights was achieved.

CN116493936BActive Publication Date: 2026-07-28SEASON BRIGHT (CAMBODIA) ELECTRONIC LIGHTING CO LTD BAVET
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SEASON BRIGHT (CAMBODIA) ELECTRONIC LIGHTING CO LTD BAVET
Filing Date
2023-05-30
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Existing automated production equipment for light strings is not fully functional and cannot meet increasingly demanding process requirements. It also lacks integration and makes it difficult to improve quality and efficiency.

Method used

Design an automatic string light assembly machine, including a machine base, a light feeding system, a string light connection system, and a sleeve system. The machine achieves automated assembly of LED beads, wires, and sleeves through the linkage of the first, second, and third turntables. It is equipped with clamping devices, connecting punches, winding devices, heat shrink tubing devices, etc., to enhance the integration of the equipment.

Benefits of technology

The equipment's functionality and integration have been improved, meeting increasingly sophisticated process requirements and enabling highly efficient and automated production of light strings.

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Abstract

The application discloses a lamp string automatic assembling machine and relates to the technical field of lamp decoration processing. The lamp string automatic assembling machine comprises a machine table, a lamp feeding system, a lamp string connecting system and a sleeve system. The lamp feeding system is provided with a conveying and feeding device and a terminal stamping device. The first turntable is provided with a plurality of clamping devices for clamping lamp beads. The lamp string connecting system comprises a second turntable. A connecting punch is arranged between the first turntable and the second turntable. A plurality of clamping jaws are arranged on the circumferential edge of the second turntable. A wire winding device, a packaging device, a wire stripping device and a heat-shrinkable sleeve device are arranged on the circumferential outer side of the second turntable. The sleeve system comprises a third turntable and a vibrating feeding disc. A plurality of vibrating feeding discs are arranged on the circumferential outer side of the third turntable. The third turntable is provided with a plurality of clamps and a delivery device for sleeving a pipe shell on a wire. The first turntable, the second turntable and the third turntable are linked and rotated, which is beneficial to increasing the integration degree of the equipment, accommodating a more perfect process and facilitating quality and efficiency improvement.
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Description

Technical Field

[0001] This invention relates to the field of lighting manufacturing technology, and in particular to an automatic string light assembly machine. Background Technology

[0002] With the rapid development of society and the economy, LED light strings have become widely used as advertising and decorative tools, and are an indispensable and beautiful feature of urban nightscapes. An LED light string is a single piece made by crimping LED beads and wires together using terminals, requiring steps such as bead pin arrangement, wire winding, terminal crimping, and installation of insulating sleeves. Currently, with the continuous improvement of production processes and requirements, the functions of various automated light string production devices on the market are not perfect. For example, Chinese utility model patent CN215862948U – an automated production equipment for parallel LED light strings – has a relatively simple structure, insufficient functionality, and inadequate integration, making it difficult to meet the ever-improving processes and achieve higher quality and efficiency. Summary of the Invention

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide an automatic string light assembly machine with improved functions and adapted to process improvements.

[0004] According to an embodiment of the present invention, an automatic string light assembly machine is provided, comprising:

[0005] The machine is equipped with a lamp feeding system, a lamp string connection system and a sleeve system. The lamp feeding system is equipped with a rotatable first turntable and a conveying and feeding device and a terminal stamping device arranged around the circumference of the first turntable. Several clamping devices are provided on the circumferential edge of the first turntable. The clamping devices are used to clamp the lamp beads.

[0006] The string light connection system includes a second turntable adjacent to the first turntable. A connecting punch for connecting LED beads and wires is provided between the first and second turntables. Several clamping claws for holding wires are provided on the circumferential edge of the second turntable. A winding device, a packaging device, a wire stripping device, and a heat shrink tubing device for processing wires are provided at intervals on the outer circumferential side of the second turntable.

[0007] The sleeve system includes a third turntable located on one side of the second turntable and a vibrating feeding plate for conveying the sleeve. Several vibrating feeding plates are provided on the outer circumference of the third turntable. Several clamps for clamping the sleeve are provided on the circumference of the third turntable. The clamps include a fixed block that is fixedly installed and a rotating swing block. At the same time, a delivery device is provided between the third turntable and the second turntable. The delivery device puts the wire with the sleeve on the second turntable.

[0008] The first and third turntables are located on either side of the second turntable, and the first, second, and third turntables rotate in unison.

[0009] The automatic string light assembly machine of the present invention has at least the following beneficial effects: This embodiment provides a machine platform, which includes a light feeding system, a string light connection system, and a sleeve system. The light feeding system includes a rotatable first turntable and a conveying and feeding device and a terminal stamping device arranged circumferentially along the first turntable. Several clamping devices are provided on the circumferential edge of the first turntable for clamping the light beads. The string light connection system includes a second turntable adjacent to the first turntable. A connecting punch for connecting the light beads and wires is provided between the first and second turntables. Several clamping claws for clamping the wires are provided on the circumferential edge of the second turntable. A winding device, a packaging device, and a wire stripping device are spaced apart on the outer circumferential side of the second turntable. The system includes a heat shrink tubing device; the tubing system includes a third turntable located on one side of the second turntable and a vibrating feeding plate for conveying the tubing shell. Several vibrating feeding plates are arranged on the outer circumference of the third turntable, and several clamps for holding the tubing shell are arranged circumferentially on the third turntable. The clamps include a fixed block that is fixedly installed and a rotating swing block. At the same time, a delivery device is provided between the third turntable and the second turntable. The delivery device puts the tubing shell onto the wire on the second turntable. The first turntable and the third turntable are located on both sides of the second turntable. The first turntable, the second turntable and the third turntable rotate in conjunction. The linkage of the three turntables helps to increase the integration of the equipment and can accommodate more complete processes to meet the increasingly improved processes and facilitate quality and efficiency improvement.

[0010] According to the present invention, an automatic string light assembly machine has a conveying and feeding device equipped with a conveying rail, a picking claw, a transfer table and a flipping claw. The picking claw takes out the light beads from the conveying rail and places them on the transfer table, and the flipping claw clamps the light beads and places them on the first turntable.

[0011] According to the present invention, an automatic string light assembly machine includes a clamping device comprising a pressure block for clamping light beads and a support rod for driving the pressure block to achieve lifting and lowering movement.

[0012] According to the present invention, an automatic string light assembly machine is provided between a third turntable and a second turntable. The delivery device is provided with a flip-up gripper. The gripper picks up the sleeve located on the third turntable and flips it so as to fit the sleeve into the wire located on the second turntable.

[0013] According to the present invention, an automatic string light assembly machine includes two hinged claws, each claw having a movable end. An opening device is provided on the machine base to abut against the movable end, and the opening device abuts against the movable end to realize the opening and closing of the claws.

[0014] According to the present invention, an automatic string light assembly machine has a clamp opener with several pressure plates, each pressure plate having an inclined surface. A roller abutting against the inclined surface is provided on the moving end, and the pressure plates push the roller to realize the opening and closing of the claw plates.

[0015] According to the present invention, an automatic string assembly machine for lamps includes a terminal stamping device comprising a terminal conveying rail for conveying terminals and a first pressing claw for pressing terminals onto the pins of lamp beads. The terminal conveying rail is provided with a pusher claw for pushing terminals.

[0016] According to the present invention, an automatic string light assembly machine is provided with a heating device on the downstream side of the heat shrink tubing device.

[0017] According to the present invention, an automatic string light assembly machine is provided on the first turntable, which is used to adjust the position of the LED pins.

[0018] According to the present invention, an automatic string light assembly machine is provided between the pin positioning device and the terminal stamping device, and a welding resistance device is provided between them. The conveying and feeding device, the pin positioning device, the welding resistance device and the terminal stamping device are arranged counterclockwise along the circumference of the first turntable.

[0019] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0021] Figure 1 This is an isometric view of an automatic string light assembly machine according to an embodiment of the present invention;

[0022] Figure 2 This is a top view of an automatic string light assembly machine according to an embodiment of the present invention;

[0023] Figure 3 This is an isometric view of the feeding device in an embodiment of the present invention;

[0024] Figure 4 This is an isometric view of the punch press connected in an embodiment of the present invention;

[0025] Figure 5 This is an isometric view of the terminal stamping device in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram showing the location of the delivery device in an embodiment of the present invention;

[0027] Figure 7 This is an isometric view of the clamp opener in an embodiment of the present invention;

[0028] Figure 8 This is a structural view of the clamping device in an embodiment of the present invention.

[0029] Figure label:

[0030] 100 machines;

[0031] Lamp feeding system 110; First turntable 111; Clamping device 1111; Lamp bead 1112; Pressure block 1113; Support block 1114;

[0032] Conveying and feeding device 112; conveying rail 1121; picking claw 1122; transfer platform 1123; tilting claw 1124; receiving trough 1125; transverse block 1127; longitudinal block 1128; tilting block 1129;

[0033] Pin positioning device 113; Welding resistor device 114;

[0034] Terminal stamping device 115; first pressing claw 1151; terminal conveying rail 1152; push claw 1153;

[0035] String light connection system 120; Gantry frame 1201;

[0036] Second rotary table 121; connecting punch press 122; jaw plate 1221; moving end 1222; clamp opener 1223; second pressure jaw 1224; pressing plate 1225;

[0037] Winding device 123; Packaging device 124; Wire stripping device 125; Heat shrink tubing device 126; Heating device 127;

[0038] Sleeve system 130; third turntable 131; vibrating feed plate 132; vibrating feed rail 1321; clamp 133; fixed block 1331; swing block 1332; delivery device 134; gripper 135; lifting block 136. Detailed Implementation

[0039] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0040] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0041] In the description of this invention, "several" means one or more, "more than" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0042] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0043] Reference Figures 1 to 8 An embodiment of the present invention provides an automatic string light assembly machine, including a machine base 100. The machine base 100 is equipped with a light feeding system 110, a string light connection system 120, and a sleeve system 130. The light feeding system 110 is equipped with a rotatable first turntable 111 and a conveying and feeding device 112 and a terminal stamping device 115 arranged circumferentially along the first turntable 111. The terminal stamping device 115 is used to install terminals on the pins of the LED beads 1112. (See reference...) Figure 5 The terminal stamping device 115 includes a terminal conveying rail 1152 for conveying terminals and a first pressing claw 1151 for pressing the terminals onto the pins of the LED beads 1112. The terminal conveying rail 1152 is provided with a push claw 1153 for pushing the terminals. The push claw 1153 reciprocates on the conveying rail 1121 to push the terminals toward the first pressing claw 1151, thereby achieving automatic feeding.

[0044] Optionally, the first turntable 111 has a plurality of clamping devices 1111 on its circumferential edge, which are used to clamp the LED beads 1112. The LED string connection system 120 includes a second turntable 121 adjacent to the first turntable 111, and a connecting punch 122 for connecting the LED beads 1112 and the wires is provided between the first turntable 111 and the second turntable 121. Figure 4 The connecting punch press 122 is equipped with a second pressure claw 1224, which is used to press the terminal located on the pin of the lamp bead 1112 and realize the connection with the wire. After the processing is completed, the lamp bead 1112 remains on the second turntable 121 to continue subsequent processing.

[0045] Optionally, the second turntable 121 has several grippers on its circumferential edge for holding wires, as shown in the reference. Figure 6 The gripper includes two hinged jaws 1221. Each jaw 1221 has a movable end 1222 at its end. The machine base 100 has an opening device 1223 that abuts against the movable end 1222. The opening device 1223 abuts against the movable end 1222 to realize the opening and closing movement of the jaws 1221. (Refer to...) Figure 7The clamp opener 1223 is equipped with several pressure plates 1225, which are arranged in pairs. Each pressure plate 1225 has an inclined surface, and the inclined surfaces between two adjacent pressure plates in a pair are opposite each other. A roller is provided on the moving end 1222, which abuts against the inclined surface. When the pressure plates 1225 rise longitudinally, they push the roller to open the claw plates 1221. When the clamp opener 1223 descends, the claw plates 1221 reset and clamp the wire. It can be understood that the position of the clamp opener 1223 corresponds to the processing mechanism such as the winding device 123 that needs to release the wire, in order to meet the needs of the processing technology.

[0046] Optionally, a winding device 123, a packaging device 124, a wire stripping device 125, and a heat shrink tubing device 126 for processing wires are provided at intervals on the outer circumference of the second turntable 121. Optionally, the winding device 123, packaging device 124, wire stripping device 125, and heat shrink tubing device 126 are arranged clockwise. Optionally, the winding device 123 is used to wind the wire into a double strand in the grippers of the second turntable 121, then the packaging device 124 is used to cover the wire with an insulating sleeve, further, the wire stripping device 125 is used to cut the wire and remove a certain length of wire insulation from the end of the wire to facilitate terminal crimping, and the heat shrink tubing device 126 is used to cover the wire with heat shrink tubing to increase the fixing effect on the wire. Optionally, a heating device 127 is also provided downstream of the heat shrink tubing device 126 for heating and fixing the heat shrink tubing.

[0047] Optionally, the casing system 130 includes a third turntable 131 located on one side of the second turntable 121 and a vibrating feeding plate 132 for conveying the casing 1322. A plurality of vibrating feeding plates 132 are arranged circumferentially outside the third turntable 131. A vibrating feeding rail 1321 connecting the third turntable 131 and the vibrating feeding plates 132 is provided for conveying the casing 1322. Optionally, a plurality of clamps 133 for holding the casing 1322 are arranged circumferentially on the third turntable 131. Each clamp 133 includes a fixed block 1331 fixedly mounted on the third turntable 131 and a rotatable swing block 1332. (Refer to...) Figure 6 A lifting block 136, movable and height-adjustable, is provided on the third turntable 131. The top of the lifting block 136 is frustoconical, and one side of the top of the lifting block 136 abuts against the end of the swing block 1332. The swing block 1332 has rollers that abut against the top of the lifting block 136. When the lifting block 136 rises, the end of the swing block 1332 away from the tube shell 1322 moves towards the side closer to the fixed block 1331, thereby achieving the clamping action. Optionally, a delivery device 134 is provided between the third turntable 131 and the second turntable 121. The delivery device 134 places the wire with the tube shell 1322 on the second turntable 121. (Refer to...) Figure 2 and Figure 6The delivery device 134 is equipped with a flip-up gripper 135, which grips and flips the sleeve located on the third turntable 131 to place the sleeve into the wire located on the second turntable 121. Optionally, the gripper 135 is a pair of mutually hinged and synchronously operated clamping plates, the ends of which have grooves that match the outer wall of the lamp bead 1112 to facilitate stable clamping.

[0048] The first turntable 111 and the third turntable 131 are located on both sides of the second turntable 121. The first turntable 111, the second turntable 121 and the third turntable 131 are arranged along the length of the machine 100. The first turntable 111, the second turntable 121 and the third turntable 131 rotate in conjunction. The linkage of the three turntables helps to increase the integration of the equipment and can accommodate more complete processes to meet the increasingly improved processes and facilitate quality and efficiency improvement.

[0049] Reference Figure 3 The conveying and feeding device 112 is equipped with a conveyor rail 1121, a picking claw 1122, a transfer platform 1123, and a flipping claw 1124. The conveyor rail 1121 is fixedly installed on the machine base 100. The conveyor rail 1121 has multiple parallel receiving slots 1125, which can realize the parallel feeding of multiple LED beads 1112. The pins of the LED beads 1112 are inserted into the receiving slots 1125. Preferably, the conveyor rail 1121 conveys the LED beads 1112 by vibration. Optionally, the picking claw 1122 is connected to a transverse block 1127 and a longitudinal block 1128 that slide on the machine base 100. The transverse block 1127 moves along the width direction of the conveyor rail 1121, and the longitudinal block 1128 moves along the length direction of the conveyor rail 1121, so that the picking claw 1122 can move flexibly to pick up materials. Optionally, the transfer platform 1123 is fixed between the conveyor rail 1121 and the tilting claw 1124. The picking claw 1122 places the LED bead 1112 on the transfer platform 1123, and the tilting claw 1124 moves the LED bead 1112 from the transfer platform 1123 onto the second turntable 121. Optionally, the tilting claw 1124 is connected to a rotatable tilting block 1129 to realize the rotation of the tilting claw 1124.

[0050] Reference Figure 8 The first turntable 111 is equipped with a clamping device 1111 for holding the LED beads 1112. The clamping device 1111 includes a pressure block 1113 for holding the LED beads 1112 and a support rod for driving the pressure block 1113 to move up and down. The support rod is elastically connected to the first turntable 111 and continuously presses down. The support rod can be driven to rise by a mechanism such as a cylinder or crankshaft to open the clamp. Optionally, a support block 1114 for supporting the LED beads 1112 is provided at the bottom of the pressure block 1113. The inner wall of the support block 1114 and the pressure block 1113 that contacts the LED beads 1112 matches the shape of the outer wall of the LED beads 1112, which helps to avoid damage to the surface of the LED beads 1112.

[0051] Reference Figure 2 The first turntable 111 is also equipped with a pin positioning device 113, which is used to adjust the position of the pins of the lamp bead 1112 for processing. Optionally, a welding resistor device 114 is also provided between the pin positioning device 113 and the terminal stamping device 115. The welding resistor device 114 is used to add resistance to the pins of the lamp bead 1112 for circuit protection. Optionally, the conveying and feeding device 112, the pin positioning device 113, the welding resistor device 114, and the terminal stamping device 115 are arranged counterclockwise along the circumference of the first turntable 111 to adapt to the rotation direction of the first turntable 111.

[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0053] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A light string automatic assembly machine characterized by, include: The machine is equipped with a lamp feeding system, a lamp string connection system, and a sleeve system. The lamp feeding system has a rotatable first turntable and a conveying and feeding device and a terminal stamping device arranged around the circumference of the first turntable. Several clamping devices are provided on the circumferential edge of the first turntable. The clamping devices are used to clamp the lamp beads. The conveying and feeding device has a conveying rail, a picking claw, a transfer table, and a flipping claw. The picking claw takes the lamp beads out of the conveying rail and places them on the transfer table, and the flipping claw clamps the lamp beads and places them on the first turntable. The string light connection system includes a second turntable adjacent to the first turntable. A connecting punch for connecting the LED beads and the wires is provided between the first turntable and the second turntable. Several clamping claws for holding the wires are provided on the circumferential edge of the second turntable. A winding device, a packaging device, a wire stripping device, and a heat shrink tubing device for processing the wires are provided at intervals on the outer circumferential side of the second turntable. The tubing system includes a third turntable located on one side of the second turntable and a vibrating feeding plate for conveying the tubing shell. Several vibrating feeding plates are arranged on the outer circumferential side of the third turntable. Several clamps for holding the tubing shell are arranged circumferentially on the third turntable. Each clamp includes a fixed block and a rotating swing block. A delivery device is provided between the third turntable and the second turntable. The delivery device is equipped with a flip-up gripper. The gripper clamps the tubing shell located on the third turntable and flips it to fit the tubing shell into the wire located on the second turntable. The first turntable and the third turntable are located on both sides of the second turntable, and the first turntable, the second turntable and the third turntable rotate in conjunction. The third turntable is provided with a lifting block that can be raised and lowered. The top of the lifting block is frustoconical. One side of the top of the lifting block abuts against the end of the swing block. The swing block has a roller that can abut against the top of the lifting block. When the lifting block rises, the end of the swing block away from the tube shell can move towards the side closer to the fixed block, thereby realizing the clamping action.

2. The automatic lamp string assembling machine according to claim 1, characterized in that: The clamping device includes a pressure block that clamps the LED bead and a support rod that drives the pressure block to move up and down.

3. The automatic lamp string assembling machine according to claim 1, characterized in that: The gripper includes two hinged jaws, each jaw having a movable end. The machine base is provided with an opening device that abuts against the movable end, and the opening device abuts against the movable end to realize the opening and closing movement of the jaws.

4. The automatic lamp string assembling machine according to claim 3, characterized in that: The clamp opener has several pressure plates with inclined surfaces, and a roller abutting against the inclined surfaces is provided on the moving end. The pressure plates push the rollers to realize the opening and closing of the jaws.

5. The automatic lamp string assembling machine according to claim 1, characterized in that: The terminal stamping device includes a terminal conveying rail for conveying terminals and a first pressing claw for pressing the terminals onto the pins of the LED beads. The terminal conveying rail is provided with a pusher claw for pushing the terminals.

6. The automatic lamp string assembling machine according to claim 1, characterized in that: A heating device is also provided on the downstream side of the heat shrink tubing device.

7. The machine of claim 5, wherein: The first turntable is also provided with a pin positioning device, which is used to adjust the position of the pins of the lamp beads.

8. The machine of claim 7, wherein: The pin positioning device and the terminal stamping device are further provided with a welding resistance device, and the conveying feeding device, the pin positioning device, the welding resistance device and the terminal stamping device are arranged counterclockwise along the circumference of the first turntable.