Ultrasonic welding production equipment and process for earpiece frame

Abstract

The invention provides a glasses leg frame ultrasonic welding production device and process, the glasses leg frame ultrasonic welding production device comprises an ultrasonic welding device, a feeding device, a positioning welding seat, an adjusting device and a discharging device, the ultrasonic welding device is located above a glasses slingshot and a leg frame, and the feeding device conveys the slingshot to the positioning welding seat and is provided with a position sensor; the slingshot is automatically transmitted to the welding position through the feeding device, the welding positions of the glasses leg frame and the slingshot, the X rotating knob, the Y rotating knob, the Z-axis pushing handle, the indexing rotary disc and the ultrasonic welding position are accurately adjusted through the positioning welding base and the adjusting device, the design is ingenious, structural positioning is accurate, and the ultrasonic welding automation degree is high; and the operation is easy.

Description

TECHNICAL FIELD

[0001] The application relates to an eyeglass ultrasonic welding device and process. BACKGROUND

[0002] With the development of intelligent welding technology, especially for intelligent ultrasonic welding of eyeglasses, the eyeglass catapult, also known as an eyeglass elastic hinge, is used to connect the eyeglass legs and the eyeglass frame. The eyeglass catapult comprises a catapult shell and a hinge head. In the eyeglass manufacturing process, the catapult shell is usually welded on the eyeglass leg first. During the welding production process of the eyeglass leg and the catapult, the positions of the leg and the catapult in different directions need to be adjusted. The automatic feeding positioning is not accurate, and there are problems such as inconvenient feeding and discharging in the manufacturing process, complicated operation and high manufacturing cost.

[0003] At present, the ultrasonic welding device of the eyeglass catapult and the leg has the problems of inconvenient adjustment of X-axis, Y-axis and Z-axis and rotation, low welding precision, low automation degree, many production processes, high manufacturing cost, complex structure and complicated operation. SUMMARY

[0004] The application provides an eyeglass leg ultrasonic welding production device and process. The feeding device automatically feeds the catapult to the welding position, and the positioning welding seat and the adjusting device accurately adjust the welding position of the eyeglass leg and the catapult. The X rotation knob, the Y rotation knob, the Z-axis pushing handle and the indexing turntable are used. The ultrasonic welding position is adjustable, the structure is accurately positioned, the ultrasonic welding degree of automation is high, and the device is easy to operate.

[0005] To solve the above problems, the application provides an eyeglass leg ultrasonic welding production device and process. The ultrasonic welding device is used for welding the leg catapult.

[0006] The feeding device is arranged on one side of the rack of the production device and is used for pushing the catapult material. The feeding device is provided with a first position sensor and a second position sensor. The first position sensor is used for detecting the feeding state of the catapult. The second position sensor is used for detecting the feeding state of the leg. When the feeding table is empty after the first welding is completed, the leg is placed on the feeding table. The feeding device pushes the catapult material to the feeding table and places it on the upper end of the leg.

[0007] The adjusting device is used for fixing and adjusting the state of the feeding table and comprises an X-axis sliding adjusting seat, a Y-axis sliding adjusting seat, a Z-axis adjusting device and an indexing turntable. The X-axis, the Y-axis and the Z-axis are controlled to move in the direction and rotate at an angle.

[0008] A further solution is that the X-axis sliding adjustment seat is provided with an X-rotation knob, the Y-axis sliding adjustment seat is provided with a Y-rotation knob, and they are controlled by a helical gear, a spur gear transmission mechanism and a dovetail groove sliding rail.

[0009] A further solution is that the X-rotation knob, the Y-rotation knob and the Z-axis push handle are respectively provided with adjustment scales and thousandth scales for adjusting the rotation angle for precision adjustment.

[0010] A further solution is that the Z-axis adjustment device is provided with a Z-axis pushing handle, the front end of the Z-axis pushing handle is provided with a rotating deflection wheel, and the other end of the rotating deflection wheel pushes the moving screw to move upward, thereby adjusting the Z-axis height.

[0011] A further solution is that the indexing turntable is provided with a rotating handle for rotating the tripod and the unloading device thereon after welding.

[0012] A further solution is that the loading device includes a loading turntable, a pushing rod, a pushing cylinder, a pushing chute and a positioning block, the slingshot in the pushing chute is pushed forward by the positioning block, the pushing rod pushes the positioning block and is driven by the pushing cylinder.

[0013] A further solution is that a slot is provided at the front end of the positioning plug, and the slot clamps the front end of the slingshot and pushes it forward to the ultrasonic welding position.

[0014] A further solution is that the ultrasonic welding head includes an ultrasonic welding head, a welding cylinder, a movable slide rail and a track frame, the welding cylinder moves downward on the movable slide rail, and is connected with a rotation adjustment device to rotate and fix the position of the ultrasonic welding head.

[0015] A further solution is that the positioning welding seat adjusts the height and front-to-back position of the waist-shaped groove of the fixing block to position the slingshot.

[0016] A production process for ultrasonic welding of eyeglass tripods, the production process steps are as follows: S01. Place the eyeglass slingshot into the loading turntable. The loading turntable transports the slingshot into the push chute, and the positioning plug is used to push it to the welding position. The pushing position is controlled by the position sensor. S02, the positioning plug is driven by the push rod and the push cylinder; S03, start the ultrasonic welding switch, the ultrasonic welding head of the ultrasonic welding device is fixed on the movable slide rail, and the welding cylinder drives the track frame to move up and down to the ultrasonic welding position; S04. Place the eyeglass tripod on the fixed seat of the adjustment device and operate the X-axis rotation knob, Y-axis rotation knob, Z-axis push handle and rotation handle respectively to accurately adjust the X, Y, and Z axis directions and angular rotation position; S05. When the position sensor of the ultrasonic welding device detects that the slingshot and the tripod are located at the ultrasonic welding position, the ultrasonic welding head moves downward to perform ultrasonic welding; S06. When the ultrasonic welding is completed, the rotating handle is turned to rotate the ultrasonically welded tripod to the unloading device; S07. The welded tripod and slingshot fall onto the unloading slide of the unloading device and are packaged to produce finished products.

[0017] The beneficial effects of the present invention are: using a feeding device, the push cylinder pushes the push rod to automatically push the slingshot in the chute to the welding position, and the positioning welding seat and the adjustment device accurately adjust the welding position of the eyeglass tripod and the slingshot. It has the advantages of ingenious design, precise structural positioning, high degree of ultrasonic welding automation, and easy operation. It has the following advantages: 1. The loading device moves the slingshot to the push chute by the loading tray, and the cylinder pushes the push rod and the positioning plug. The position sensor pushes the slingshot forward to the ultrasonic welding position to locate the welding position; 2. The X-axis rotation knob, Y-axis rotation knob, Z-axis push handle and indexing dial of the adjustment device control the adjustment precision thousandth scale, the ultrasonic welding position is adjustable, and the structure positioning is accurate; 3. The side and plane positioning slingshot of the positioning welding seat, the overall all-round precise ultrasonic welding position, and the automation program are high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the decomposed structure of an embodiment of the present invention; Figure 2 Schematic diagram of the assembly structure of an embodiment of the present invention; Figure 3 Schematic diagram of the exploded structure of the adjustment device according to an embodiment of the present invention. Attached photos

[0019] 1. Welding cylinder; 2. Welding shaft; 3. Moving slide; 4. Rotation adjustment device; 5. Welding connecting rod; 6. Ultrasonic welding head; 7. Eyeglass tripod; 8. Fixed seat; 9. Dividing turntable; 10. Conveyor wheel; 11. Protective film; 12. Slingshot; 13. Positioning plug; 14. Push slide; 15. Conveyor path; 16. Loading turntable; 17. Push cylinder; 18. Push rod; 19. Positioning welding seat; 20. Upper arc connecting plate; 21. Lower arc connecting plate; 22. Y-axis sliding adjustment seat; 23. Y rotation knob; 24. X rotation knob; 25. X-axis sliding adjustment seat; 26. Fixed block; 27. Waist-shaped groove; 28. Workbench; 29. ​​Work cabinet; 30. Adjustment scale; 31. Unloading device; 32. Rotating handle; 33. Z-axis pushing handle; 34. Rotating deflection wheel. DETAILED DESCRIPTION

[0020] In order to more fully understand the technical content of the present invention, the technical solution of the present invention is further introduced and illustrated below with reference to the accompanying drawings and specific embodiments, but is not limited thereto.

[0021] like Figures 1 to 3 As shown, a specific embodiment of the present invention is an ultrasonic welding production equipment and process for eyeglass tripods, including an ultrasonic welding device, a loading device, a positioning welding seat 19, an adjustment device and a unloading device 31. The ultrasonic welding device is located above the eyeglass slingshot 12 and the tripod, and the loading device transports the slingshot 12 to the positioning welding seat 19 and is provided with a position sensor.

[0022] The ultrasonic welding device comprises an ultrasonic welding head, a welding cylinder 1, a movable slide 3 and a track frame. The welding cylinder 1 moves downward on the movable slide 3 to press the ultrasonic welding head 6 downward against the slingshot 12 and the tripod.

[0023] The loading device includes a loading turntable 16, a pushing rod 18, a pushing cylinder 17, a pushing chute 14 and a positioning plug 13. The loading turntable 16 transports the slingshot 12 to the pushing chute 14, passes through the conveying path 15, and is then transported to the positioning welding seat 19 by the pushing rod 18.

[0024] The adjustment device includes an X-axis sliding adjustment seat 25, a Y-axis sliding adjustment seat 22, a Z-axis adjustment device and a dividing turntable 9 to achieve control of X, Y, and Z-axis movement and angular rotation; The unloading device 31 is fixed on the upper part of the adjusting device.

[0025] The operating principle of this glasses tripod ultrasonic welding production equipment is as follows: The ultrasonic welding device is located above the slingshot 12 and the tripod of the glasses. The loading device transports the slingshot 12 to the positioning welding seat 19 and is provided with a position sensor. The loading device detects whether a slingshot 12 is delivered to the material table through the first position sensor, and transports the tripod to the material table through automated equipment or manually (this step is monitored by the second position sensor). After the tripod is on the slingshot 12, the slingshot 12 is further transported to the material table to align with the tripod. After the alignment is confirmed, ultrasonic welding is performed.

[0026] The material table fine adjustment device, the X-axis sliding adjustment seat 25 is provided with an X-rotation knob 24, the Y-axis sliding adjustment seat 22 is provided with a Y-rotation knob 23, the X-rotation knob 24 and the Y-rotation knob 23 are connected with a helical gear and a straight tooth transmission mechanism, and the X-axis sliding adjustment seat 25 is controlled to move and adjust in the X-axis direction through the dovetail groove sliding rail, and the Y-axis sliding adjustment seat 22 moves in the Y-axis direction.

[0027] The Z-axis adjustment device is provided with a Z-axis pushing handle 33, and the front end of the Z-axis pushing handle 33 is provided with a rotating deflection wheel 34. When the Z-axis pushing handle 33 is pushed forward, the other end of the rotating deflection wheel 34 pushes the moving screw and moves upward, thereby realizing Z-axis height adjustment.

[0028] The indexing turntable 9 is provided with a rotating handle 32. The rotating handle 32 drives the indexing turntable 9 and the fixing base 8 above to rotate, thereby driving the eyeglass tripod 7 and the slingshot 12 welding products and the unloading device 31. They are connected and fixed by the upper arc connecting plate 20 and the lower arc connecting plate 21, and the movable arc of the adjustment device is adjusted.

[0029] The ultrasonic welding device for the eyeglass tripod 7 is fixed on a workbench 28 as a whole. Below the workbench 28 is a work cabinet 29 or an electric control cabinet, which is respectively provided with a power supply and an electric control switch device.

[0030] The X-axis rotation knob, the Y-axis rotation knob and the Z-axis push handle 33 are respectively provided with an adjustment scale 30 and a thousandth scale for adjusting the rotation angle for precision adjustment. Furthermore, the loading device includes a loading turntable 16, a pushing rod 18, a pushing cylinder 17, a pushing chute 14 and a positioning block 13. The slingshot 12 in the pushing chute 14 is pushed forward by the positioning block 13, and the pushing rod pushes the positioning block 13 and is driven by the pushing cylinder 17.

[0031] Furthermore, a slot is provided at the front end of the positioning insert 13 , which clamps the front end of the slingshot 12 and pushes it forward to the ultrasonic welding position.

[0032] Furthermore, the ultrasonic welding head 6 is connected with a rotation adjustment device 4, a welding connecting rod 5 and a welding shaft 2, which rotates and fixes the position of the ultrasonic welding head 6.

[0033] The ultrasonic welding system further comprises a conveying device for welding the protective film 11 , wherein two conveying wheels 10 convey the protective film 11 .

[0034] Furthermore, the positioning welding seat 19 adjusts the height and front-back position of the waist-shaped groove 27 of the fixing block 26 to position the slingshot 12.

[0035] Furthermore, a production process for ultrasonic welding of eyeglasses tripods is provided, and the production process steps are as follows: S01. Place the eyeglass slingshot 12 into the loading turntable 16. The loading turntable 16 transports the slingshot 12 to the push chute 14, and the positioning plug 13 pushes it to the welding position. The pushing position is controlled by the position sensor. S02, the positioning plug 13 is driven by the push rod and the push cylinder 17; S03, start the ultrasonic welding switch, the ultrasonic welding head of the ultrasonic welding device is fixed on the movable slide rail 3, and the welding cylinder 1 drives the track frame to move up and down to the ultrasonic welding position; S04. Place the eyeglass tripod 7 on the fixing seat 8 of the adjustment device, and operate the X-rotation knob 24, the Y-rotation knob 23, the Z-axis push handle 33, and the rotation handle 32 to adjust the X, Y, and Z-axis directions and the angular rotation position accurately; S05, when the position sensor of the ultrasonic welding device detects that the slingshot 12 and the tripod are located at the ultrasonic welding position, the ultrasonic welding head 6 moves downward to perform ultrasonic welding; S06. When the ultrasonic welding is completed, the rotating handle 32 is turned to rotate the ultrasonically welded tripod to the unloading device 31; S07: The welded tripod and slingshot 12 fall onto the unloading slide of the unloading device 31 and are packaged to produce the finished product.

[0036] The beneficial effects of the present invention are as follows: a feeding device is used, and the push rod is pushed by the push cylinder 17, which automatically drives the slingshot 12 in the push chute 14 to the welding position, and the positioning welding seat 19 and the adjustment device accurately adjust the welding position of the eyeglass tripod 7 and the slingshot 12. The design is ingenious, the structural positioning is precise, the ultrasonic welding is highly automated, and it is easy to operate. It has the following advantages: 1. The loading device moves the slingshot 12 to the push chute 14 by the loading tray, and the push cylinder 17 pushes the push rod and the positioning plug 13. The position sensor pushes the slingshot 12 forward to the ultrasonic welding position to locate the welding position; 2. The X-axis rotation knob 24, Y-axis rotation knob 23, Z-axis push handle 33 and indexing turntable 9 of the adjustment device control the adjustment precision thousandth scale, the ultrasonic welding position is adjustable, and the structure positioning is accurate; 3. The side and plane positioning slingshot 12 of the positioning welding seat 19 can accurately position the overall ultrasonic welding position with high automation program.

[0037] The above description is only a preferred embodiment of this patent and does not limit the scope of this patent. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings, directly or indirectly used in other related technical fields, falls within the scope of protection of this patent.

Claims

1. A kind of equipment for producing glasses tripod with ultrasonic welding, characterized in that: include: Ultrasonic welding device, used for welding tripod slingshot and; A loading device is provided on one side of the frame of the production equipment and is used to push the slingshot material. The loading device is provided with a first position sensor and a second position sensor. The first position sensor is used to detect the loading status of the slingshot, and the second position sensor is used to detect the loading status of the tripod. When the material table is empty after the first welding is completed, the tripod is placed on the material table, and the loading device pushes the slingshot material onto the material table and places it on the upper end of the tripod; The adjustment device is used to fix and adjust the state of the material table, including the X-axis sliding adjustment seat, the Y-axis sliding adjustment seat, the Z-axis adjustment device and the indexing turntable, which controls the movement and angular rotation of the X, Y and Z axes.

2. The ultrasonic welding production equipment for eyeglasses tripods according to claim 1, characterized in that: The X-axis sliding adjustment seat is provided with an X-rotation knob, and the Y-axis sliding adjustment seat is provided with a Y-rotation knob, which are controlled by a helical gear, a spur gear transmission mechanism and a dovetail groove sliding rail.

3. The equipment for producing glasses tripods by ultrasonic welding according to claim 2, characterized in that: The X-rotation knob, the Y-rotation knob and the Z-axis pushing handle are respectively provided with adjustment scales and thousandth scales for adjusting the rotation angle for precision adjustment.

4. The equipment for producing glasses tripods by ultrasonic welding according to claim 1, wherein: The Z-axis adjustment device is provided with a Z-axis pushing handle, the front end of the Z-axis pushing handle is provided with a rotating deflection wheel, and the other end of the rotating deflection wheel pushes the moving screw to move upward, thereby adjusting the Z-axis height.

5. The equipment for producing glasses tripods by ultrasonic welding according to claim 1, wherein: The indexing turntable is provided with a rotating handle for rotating the tripod and the unloading device thereon after welding.

6. The equipment for producing glasses tripods by ultrasonic welding according to claim 1, characterized in that: The loading device includes a loading turntable, a pushing rod, a pushing cylinder, a pushing chute and a positioning plug. The slingshot in the pushing chute is pushed forward by the positioning plug. The pushing rod pushes the positioning plug and is driven by the pushing cylinder.

7. The equipment for producing eyeglass tripods by ultrasonic welding according to claim 6, wherein: A slot is provided at the front end of the positioning plug, and the slot clamps the front end of the slingshot and pushes it forward to the ultrasonic welding position.

8. The equipment and process for producing the eyeglass tripod by ultrasonic welding according to claim 1, characterized in that: The ultrasonic welding head comprises an ultrasonic welding head, a welding cylinder, a movable slide rail and a track frame. The welding cylinder moves downward on the movable slide rail and is connected with a rotation adjustment device to rotate and fix the position of the ultrasonic welding head.

9. The equipment and process for producing the eyeglass tripod by ultrasonic welding according to claim 1, characterized in that: The positioning welding seat adjusts the height and front-back position of the waist-shaped groove of the fixing block to position the slingshot.

10. A production process for ultrasonic welding of eyeglass tripods, characterized in that: The production process steps are as follows: S01. Place the eyeglass slingshot into the loading turntable. The loading turntable transports the slingshot into the push chute, and the positioning plug is used to push it to the welding position. The pushing position is controlled by the position sensor. S02, the positioning plug is driven by the push rod and the push cylinder; S03, start the ultrasonic welding switch, the ultrasonic welding head of the ultrasonic welding device is fixed on the movable slide rail, and the welding cylinder drives the track frame to move up and down to the ultrasonic welding position; S04. Place the eyeglass tripod on the fixed seat of the adjustment device and operate the X-axis rotation knob, Y-axis rotation knob, Z-axis push handle and rotation handle respectively to accurately adjust the X, Y, and Z axis directions and angular rotation position; S05. When the position sensor of the ultrasonic welding device detects that the slingshot and the tripod are located at the ultrasonic welding position, the ultrasonic welding head moves downward to perform ultrasonic welding; S06. When the ultrasonic welding is completed, the rotating handle is turned to rotate the ultrasonically welded tripod to the unloading device; S07. The welded tripod and slingshot fall onto the unloading slide of the unloading device and are packaged to produce finished products.

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