Automatic multi-point welding device at wafer

Abstract

The utility model discloses an automatic multi-point type welding device at a wafer. The automatic multi-point type welding device comprises a rack, a stepping type conveying mechanism, a workpiece feeding mechanism and a welding device body. The stepping type conveying mechanism, the workpiece feeding mechanism and the welding device are installed on a platen of the machine frame, batch type feeding is conducted through a vibration disc, and then the workpieces are automatically grabbed into all positioning grooves of a feeding area one by one through the workpiece grabbing mechanism. And finally, the workpieces in the positioning grooves in the feeding area are conveyed to the position below the welding device through the chain conveyor, at the moment, the welding device works to weld the workpieces conveyed in batches one by one, automatic batch machining is adopted in the mode, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of square hanging ear processing devices, in particular to an automatic round piece multi-point welding device. Background Art

[0002] The square ear is mainly used as a metal accessory for hanging other accessories. In order to increase the connection strength between the disc on the square ear and the ear, multi-point welding is performed between the disc and the square ear to form a multi-point ring-shaped welding point. In the prior art, when welding, the square ear is manually placed on a welding device with a single positioning groove, and then the laser welder is manually operated to move and weld at the same time. However, this welding method is manually operated, resulting in low processing efficiency. Therefore, there is an urgent need for an automated disc multi-point welding device that can solve the above technical problems. Utility Model Content

[0003] The utility model aims to solve the deficiencies of the above-mentioned technology and is designed to provide an automatic wafer multi-point welding device, the specific method is as follows.

[0004] The utility model is designed to provide an automatic wafer multi-point welding device, comprising:

[0005] A step-by-step conveying mechanism, comprising a chain conveyor and a plurality of long positioning plates arranged parallel to each other, wherein the plurality of long positioning plates are distributed at equal intervals along the length direction of the chain conveyor and are respectively installed on the conveying surface of the chain conveyor, wherein the length direction of the chain conveyor is orthogonal to the length direction of each of the long positioning plates, and each of the long positioning plates is provided with a plurality of positioning grooves adapted to the workpiece;

[0006] The workpiece feeding mechanism comprises a feeding vibration plate, a feeding track and a workpiece grabbing mechanism arranged along the length direction of the elongated positioning plate, the discharge end of the feeding track corresponds to the position of an elongated positioning plate in the feeding area on the upper side of the chain conveyor, the feeding end of the feeding track is docked with the discharge port of the feeding vibration plate, and the workpiece grabbing mechanism is located above an elongated positioning plate in the feeding area on the upper side of the chain conveyor, so that the workpiece grabbing mechanism grabs the workpieces at the discharge end of the feeding track one by one into the positioning grooves in the feeding area on the upper side of the chain conveyor;

[0007] The welding device is arranged along the length direction of the elongated positioning plate and is located above the welding area on the upper side of the chain conveyor. The welding device includes a two-axis displacement drive device and a laser welder. The laser welder is installed on the displacement part of the two-axis displacement drive device, so that the laser welder is displaced under the drive of the two-axis displacement drive device, so that the workpieces of each positioning groove can be multi-point welded.

[0008] Further preferably, the workpiece grasping mechanism includes a first servo slide arranged along the length direction of the loading area on the upper side of the chain conveyor, and a lifting drive mechanism installed on a slider of the first servo slide, and a negative pressure suction cup is installed on the lifting rod of the lifting drive mechanism.

[0009] Further preferably, the two-axis displacement drive device includes a second servo slide arranged along the length direction of the elongated positioning plate and a third servo slide arranged along the length direction of the chain conveyor, the third servo slide is installed on the slider of the second servo slide, and the laser welder is installed on the slider of the third servo slide.

[0010] Further preferably, the welding device further comprises a linear slide rail arranged in parallel with the second servo slide block, and two ends of the third servo slide block are respectively connected to the slide block of the linear slide rail and the slide block of the second servo slide block.

[0011] More preferably, it further includes a frame, and the first servo slide, the second servo slide and the third servo slide are respectively installed on the table plate of the frame through brackets.

[0012] Further preferably, a material discharge port is arranged on the table plate of the frame, and the material discharge port is located below one end of the chain conveyor away from its loading area, and a material receiving box is arranged below the material discharge port.

[0013] Further preferably, a roller conveyor is provided below the table plate of the frame, and the roller conveyor is arranged along the length direction of the chain conveyor, and the empty material receiving box below the discharge port is conveyed to below the discharge port via the roller conveyor.

[0014] Further preferably, the unloading end of the roller conveyor is connected with a unloading ramp plate.

[0015] The utility model is designed to be an automatic wafer multi-point welding device, the beneficial effects are as follows:

[0016] 1. The welding device of the utility model uses a vibrating plate for batch loading, and then uses a workpiece grabbing mechanism to automatically grab the workpieces one by one into the positioning grooves in the loading area. Finally, the workpieces in the positioning grooves in the loading area are transported to the bottom of the welding device by a chain conveyor. At this time, the welding device works to weld the workpieces transported in batches one by one. This method adopts automated batch processing to improve processing efficiency.

[0017] 2. Under the action of the roller conveyor, the full receiving box can be transported to the unloading ramp, and the empty receiving box can be transported to the bottom of the unloading port. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure;

[0019] Figure 2 It is a schematic diagram of a structure having a workpiece grasping mechanism;

[0020] Figure 3 It is a schematic diagram of a structure having a welding device;

[0021] Figure 4 It is the structural diagram of the chain conveyor (I);

[0022] Figure 5 It is the structural diagram of the chain conveyor (II);

[0023] Figure 6 It is a schematic diagram of a structure with a feeding port and a roller conveyor;

[0024] Figure 7 is a schematic diagram of the structure of the workpiece (I);

[0025] Figure 8 It is a schematic diagram of the structure of the workpiece (II).

[0026] In the figure: 1, step-by-step conveying mechanism; 10, bracket; 11, loading area; 12, welding area; 13, chain conveyor; 131, driving shaft; 132, driven shaft; 133, driving sprocket; 134, driven sprocket; 135, chain; 136, bearing seat; 14, long positioning plate; 141, positioning groove; 142, positioning cylinder; 143, avoidance groove; 15, workpiece grasping mechanism; 151, first servo slide ; 152, lifting drive mechanism; 153, negative pressure suction cup; 16, feeding vibration plate; 17, feeding track; 2, welding device; 21, second servo slide; 22, third servo slide; 23, linear slide; 24, laser welder; 3, frame; 31, table; 311, unloading port; 4, receiving box; 5, roller conveyor; 6, unloading ramp; 100, workpiece; 101, wafer; 102, welding point. DETAILED DESCRIPTION

[0027] 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 in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0028] Example:

[0029] like Figure 1-Figure 8As shown, the present embodiment describes an automated wafer multi-point welding device, comprising a frame 3, a stepping conveying mechanism 1, a workpiece feeding mechanism and a welding device 2; the stepping conveying mechanism 1, the workpiece feeding mechanism and the welding device 2 are respectively mounted on a platen 31 of the frame 3, and the specific structure is as follows

[0030] The step-by-step conveying mechanism 1 includes a chain 135 conveyor 13, and a plurality of long positioning plates 14 arranged parallel to each other. The plurality of long positioning plates 14 are evenly spaced along the length direction of the chain 135 conveyor 13 and are respectively installed on the conveying surface of the chain 135 conveyor 13. The length direction of the chain 135 conveyor 13 is orthogonal to the length direction of each long positioning plate 14. Each long positioning plate 14 is provided with a plurality of positioning grooves 141 adapted to the workpiece 100. The inner bottom surface of each positioning groove 141 is provided with a positioning cylinder 142. The positioning cylinder 142 is adapted to the circular hole on the workpiece 100. ; Among them, the chain 135 conveyor 13 is set into two groups, the two groups of chain 135 conveyors 13 are set parallel to each other, the driving sprockets 133 of the two groups of chain 135 conveyors 13 are connected by a driving shaft 131, the driven sprockets 134 of the two groups of chain 135 conveyors 13 are connected by a driven shaft 132, and the two ends of the driven shaft 132 and the driving shaft 131 are respectively installed on the table 31 of the frame 3 through bearing seats 136, and a servo motor is installed at the end of the driving shaft 131 to drive the two groups of chain 135 conveyors 13 to run synchronously to transport the elongated positioning plate 14 at the loading area 11 to the welding area 12.

[0031] Preferably, there is an elongated positioning plate 14 between the elongated positioning plate 14 of the loading area 11 and the elongated positioning plate 14 of the welding area 12, and the bottom surface of each elongated positioning plate 14 is fixed to the fixed plate on the chain 135 of the two sets of chain 135 conveyors 13 by bolts, and each positioning groove 141 is provided with an avoidance groove 143 at the corners for avoiding the corners of the workpiece 100, and each positioning groove 141 is arranged in parallel.

[0032] The workpiece feeding mechanism includes a feeding vibration plate 16, a feeding track 17 and a workpiece grabbing mechanism 15 arranged along the length direction of the long positioning plate 14. The discharge end of the feeding track 17 corresponds to the position of a long positioning plate 14 in the feeding area 11 on the upper side of the chain 135 conveyor 13, and the feeding end of the feeding track 17 is connected to the discharge port of the feeding vibration plate 16. The workpiece grabbing mechanism 15 is located above a long positioning plate 14 in the feeding area 11 on the upper side of the chain 135 conveyor 13, so that the workpiece grabbing mechanism 15 can The workpieces 100 at the discharge end of the loading track 17 are grabbed one by one into the positioning grooves 141 of the loading area 11 on the upper side of the chain 135 conveyor 13; the workpiece grabbing mechanism 15 includes a first servo slide 151 arranged along the length direction of the loading area 11 on the upper side of the chain 135 conveyor 13, and a lifting drive mechanism 152 installed on the slider of the first servo slide 151, and a negative pressure suction cup 153 is installed on the lifting rod of the lifting drive mechanism 152, and the lifting drive mechanism 152 adopts a lifting cylinder. Among them, the loading vibration plate 16 loads the batch workpiece 100 to its discharge port, enters the track groove of the loading track 17 during the continuous loading process, and is loaded to the discharge end of the loading track 17. The discharge end of the loading track 17 has a baffle to prevent the loaded workpiece 100 from falling. At this time, the lifting cylinder and the first servo slide 151 are linked to each other to make the negative pressure suction cup 153 reciprocate in the area formed by the elongated positioning plate 14 and the loading track 17, so as to grab the workpiece 100 in the loading track 17 and transport it to each positioning groove 141 in the loading area 11, and the positioning cylinder 142 is inserted into the circular hole of the workpiece 100. When each positioning groove 141 in the loading area 11 has a workpiece 100, the two sets of chain 135 conveyors 13 run synchronously, so that the elongated positioning plate 14 at the loading area 11 is transported toward the welding area 12.

[0033] The negative pressure suction cup 153 is connected to the air pump through a pipeline so that the negative pressure suction cup 153 generates negative pressure or positive pressure, thereby realizing the picking and placing of the workpiece 100 .

[0034] The welding device 2 is arranged along the length direction of the elongated positioning plate 14 and is located above the welding area 12 on the upper side of the chain 135 conveyor 13. The welding device 2 includes a two-axis displacement drive device and a laser welder 24. The laser welder 24 is installed on the displacement part of the two-axis displacement drive device. The two-axis displacement drive device includes a second servo slide 21 arranged along the length direction of the elongated positioning plate 14 and a third servo slide 22 arranged along the length direction of the chain 135 conveyor 13. The third servo slide 22 is installed on the slider of the second servo slide 21, and the laser welder 24 is installed on the slider of the third servo slide 22, so that the laser welder 24 is displaced under the mutual linkage drive of the second servo slide 21 and the third servo slide 22, so that the workpiece 100 of each positioning groove 141 can be multi-point welded. After welding is completed, the four welding points 102 are distributed in a circular array on the edge of the wafer 101 on the ear.

[0035] Preferably, the welding device 2 also includes a linear slide rail 23 arranged parallel to the second servo slider, and the two ends of the third servo slide 22 are respectively connected to the slider of the linear slide rail 23 and the slider of the second servo slide 21. Its structural setting makes it more stable and reliable when the second servo slide 21 drives the third servo slide 22 to translate, thereby improving the performance of use.

[0036] In this embodiment, the first servo slide 151, the second servo slide 21 and the third servo slide 22 are respectively installed on the table 31 of the frame 3 through the bracket 10, which makes the structural design reasonable.

[0037] In this embodiment, a feed opening 311 is provided on the table 31 of the frame 3, and the feed opening 311 is located below one end of the chain 135 conveyor 13 away from its loading area 11, and a material receiving box 4 is provided below the feed opening 311. When each workpiece 100 on an elongated positioning plate 14 is welded and transported to one end of the two sets of chain 135 conveyors 13 away from its loading area 11, the elongated positioning plate 14 is flipped over so that the positioning groove 141 on the elongated positioning plate 14 opens downward, so that the workpiece 100 falls into the material receiving box 4 under the action of its own gravity.

[0038] In this embodiment, the roller conveyor 5 below the table 31 of the frame 3 is arranged along the length direction of the chain 135 conveyor 13. The empty receiving box 4 below the unloading port 311 is conveyed to the lower part of the unloading port 311 by the roller conveyor 5. The roller conveyor 5 is composed of a plurality of rotatable conveying rollers. The roller conveyor 5 is a conventional technology in the art, so it will not be described in detail here. However, the purpose of setting the roller conveyor 5 in this embodiment is to start the roller conveyor 5 when the workpieces 100 in the receiving box 4 are full, so as to convey the receiving box 4 filled with the workpieces 100 to the unloading end of the roller conveyor 5, without manually moving the receiving box 4 below the table 31 out.

[0039] Preferably, the unloading end of the roller conveyor 5 is connected to a unloading ramp plate 6, and its structure enables the material receiving box 4 at the unloading end of the roller conveyor 5 to slide downward to the ground with the help of the unloading ramp plate 6. When the roller conveyor 5 continues to transport the material receiving box 4 filled with workpieces 100 toward the unloading ramp plate 6, the material receiving box 4 located at the unloading end of the roller conveyor 5 is pushed by the material receiving box 4 transported from the rear and reaches the inclined surface of the unloading ramp plate 6.

Claims

1. An automated wafer multi-point welding device, characterized in that: include: A step-by-step conveying mechanism (1), comprising a chain (135) conveyor (13), and a plurality of elongated positioning plates (14) arranged parallel to each other, wherein the plurality of elongated positioning plates (14) are distributed at equal intervals along the length direction of the chain (135) conveyor (13) and are respectively installed on the conveying surface of the chain (135) conveyor (13), wherein the length direction of the chain (135) conveyor (13) is orthogonal to the length direction of each of the elongated positioning plates (14), and each of the elongated positioning plates (14) is provided with a plurality of positioning grooves (141) adapted to the workpiece (100); A workpiece loading mechanism, comprising a loading vibration plate (16), a loading track (17) and a workpiece grabbing mechanism (15) arranged along the length direction of the elongated positioning plate (14), wherein the discharge end of the loading track (17) corresponds to the position of an elongated positioning plate (14) in the loading area (11) on the upper side of the chain (135) conveyor (13), and the feed end of the loading track (17) is docked with the discharge port of the loading vibration plate (16); the workpiece grabbing mechanism (15) is located above an elongated positioning plate (14) in the loading area (11) on the upper side of the chain (135) conveyor (13), so that the workpiece grabbing mechanism (15) grabs the workpieces (100) at the discharge end of the loading track (17) one by one into each positioning groove (141) in the loading area (11) on the upper side of the chain (135) conveyor (13); A welding device (2) is arranged along the length direction of the elongated positioning plate (14) and is located above the welding area (12) on the upper side of the chain (135) conveyor (13). The welding device (2) includes a two-axis displacement drive device and a laser welder (24). The laser welder (24) is installed on the displacement part of the two-axis displacement drive device, so that the laser welder (24) is displaced under the drive of the two-axis displacement drive device, so that the workpiece (100) of each positioning groove (141) can be multi-point welded.

2. The automatic wafer multi-point welding device according to claim 1, characterized in that: The workpiece grasping mechanism (15) comprises a first servo slide (151) arranged along the length direction of the loading area (11) on the upper side of the chain (135) conveyor (13), and a lifting drive mechanism (152) installed on a slider of the first servo slide (151), and a negative pressure suction cup (153) is installed on the lifting rod of the lifting drive mechanism (152).

3. The automatic wafer multi-point welding device according to claim 2, characterized in that: The two-axis displacement driving device comprises a second servo slide (21) arranged along the length direction of the elongated positioning plate (14) and a third servo slide (22) arranged along the length direction of the chain (135) conveyor (13), wherein the third servo slide (22) is mounted on a slider of the second servo slide (21), and the laser welder (24) is mounted on a slider of the third servo slide (22).

4. The automatic wafer multi-point welding device according to claim 3, characterized in that: The welding device (2) also includes a linear slide rail (23) arranged in parallel with the second servo slide, and the two ends of the third servo slide (22) are respectively connected to the slider of the linear slide rail (23) and the slider of the second servo slide (21).

5. The automatic wafer multi-point welding device according to claim 4, characterized in that: It also includes a frame (3), wherein the first servo slide (151), the second servo slide (21) and the third servo slide (22) are respectively mounted on a table plate (31) of the frame (3) through a bracket (10).

6. The automatic wafer multi-point welding device according to claim 5, characterized in that: A material discharge port (311) is provided on the table plate (31) of the frame (3), and the material discharge port (311) is located below one end of the chain (135) conveyor (13) away from its loading area (11), and a material receiving box (4) is provided below the material discharge port (311).

7. The automatic wafer multi-point welding device according to claim 6, characterized in that: A roller conveyor (5) is disposed below the table (31) of the frame (3), wherein the roller conveyor (5) is arranged along the length direction of the chain (135) conveyor (13), and an empty material receiving box (4) below the material discharge port (311) is transported to below the material discharge port (311) via the roller conveyor (5).

8. The automatic wafer multi-point welding device according to claim 7, characterized in that: The unloading end of the roller conveyor (5) is connected with an unloading ramp plate (6).

9. The automatic wafer multi-point welding device according to claim 7, characterized in that: The inner bottom surface of each positioning groove (141) is provided with a positioning cylinder (142), and the positioning cylinder (142) is matched with the circular hole on the workpiece (100).

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