激光焊接肖邦织链一体大机

Abstract

本实用新型公开一种激光焊接肖邦织链一体大机，包括：机架及送线机构、吹气机构、切刀机构、链圈钳夹机构、夹持翻转机构、焊接机构与驱动机构；送线机构用于将金属线绕设成螺旋状金属线并间隔预定时长送出；吹气机构用于吹动链条末端的链圈以将该链圈钩挂在螺旋状金属线上；夹持翻转机构包括夹持安装座及夹持组件、翻转组件、升降切换组件与直线驱动组件；切刀机构用于将螺旋状金属线的一段切断，切断长度对应一个链圈的长度；链圈钳夹机构用于将切下的螺旋状金属线一段的两端夹紧闭合，以得到嵌套在链条末端的一个新链圈；焊接机构用于将新链圈的闭合处进行焊接。本实用新型的整体结构自动化程度高，提升了织链效率，并可实现肖邦链的全自动制作。

Claims

1. A laser welding integrated machine for making a Schaupen braided chain, characterized in that, include: The frame and the wire feeding mechanism, air blowing mechanism, cutting mechanism, chain clamping mechanism, clamping and flipping mechanism, welding mechanism and driving mechanism, all mounted on the frame; The wire feeding mechanism is used to wind the metal wire into a spiral shape and feed it out at predetermined intervals. The blowing mechanism is used to blow the chain loop at the end of the chain to hook the chain loop onto the spiral metal wire; The clamping and flipping mechanism includes a clamping mounting base and a clamping component, a flipping component, a lifting switching component, and a linear drive component, all disposed on the clamping mounting base. The clamping component is used to clamp or release the chain ring, the flipping component is used to drive the clamping component to flip by a predetermined angle along both sides, the lifting switching component is used to switch the flipping direction of the flipping component, and the linear drive component is used to drive the clamping component to move closer to or away from the spiral metal wire. The cutting mechanism is used to cut off a section of the spiral metal wire that is held by the clamping assembly and hooked with a chain loop, and the cutting length corresponds to the length of one chain loop. The chain clamping mechanism is used to clamp and close the two ends of a section of spiral metal wire cut by the cutting mechanism to obtain a new chain loop nested at the end of the chain; The welding mechanism is used to weld the closure of the new chain ring; The drive mechanism includes a drive motor and a camshaft, and the camshaft is provided with a plurality of eccentric cams; the drive motor is used to drive the eccentric cams to rotate, so as to drive the corresponding wire feeding mechanism, the cutting mechanism, the chain clamping mechanism and the clamping and flipping mechanism to operate.

2. The laser-welded braided chain integrated machine of claim 1, wherein, The wire feeding mechanism includes: a wire feeding wheel, a wire feeding mounting base, a rotating shaft rotatably passing through the wire feeding mounting base, and a wire feeding tube fixed to the wire feeding mounting base and coaxially disposed at one end of the rotating shaft; the wire feeding tube has a strip-shaped notch and a screw with a threaded groove on its surface that rotates with the rotating shaft; one end of the metal wire on the wire feeding wheel enters the threaded groove from the inside of the strip-shaped notch and spirals outward from the free end of the wire feeding tube under the drive of the screw; the driving mechanism is used to drive the rotating shaft to rotate in the same direction.

3. The laser-welded braided chain integrated machine of claim 2, wherein, The wire feeding mechanism further includes: a transmission gear rotatably sleeved on the rotating shaft and a check wheel fixedly sleeved on the rotating shaft; the end of the check wheel near the transmission gear has a helical check notch, and the end of the transmission gear near the check wheel has a protruding ridge; the wire feeding mounting base also has a spring limiting groove surrounding the rotating shaft, and a first spring sleeved on the rotating shaft is provided in the spring limiting groove, the first spring being used to force the protruding ridge to press against the check notch. The drive mechanism further includes a first connecting rod, a drive wheel sleeved on the camshaft, and a sector gear hinged to the frame; one end of the first connecting rod is eccentrically hinged to the side of the drive wheel, and the other end is hinged to the middle of the sector gear; the drive motor is connected to the drive wheel via a synchronous belt; when the drive wheel drives the sector gear to rotate in the forward direction, the protruding ridge abuts against the check notch to drive the rotating shaft to rotate; when the drive wheel drives the sector gear to rotate in the reverse direction, the protruding ridge gradually disengages from the check notch, causing the transmission gear to rotate relative to the rotating shaft.

4. The laser-welded braided chain integrated machine of claim 1, wherein, The cutting mechanism includes: a cutting blade mounting base, an upper cutting blade fixed on the cutting blade mounting base, a first cutting blade movable block and a second cutting blade movable block disposed on the cutting blade mounting base, a cutting blade push block passing through the cutting blade mounting base, and a cutting blade drive block hinged to the cutting blade mounting base; a first cam is provided on the camshaft; The first cutter movable block is hinged to the cutter mounting base and is provided with a lower cutter adapted to the upper cutter; the second cutter movable block is fixed inside the cutter mounting base; the first cutter movable block and the second cutter movable block are connected by a first tension spring on the side away from the lower cutter, and each is provided with a first movable wheel on the side near the cutter push block; the first tension spring is used to move the lower cutter away from the upper cutter; the side of the cutter push block near the first tension spring is cone-shaped or triangular and extends between the two first movable wheels; the cutter mounting base is also provided with a strip-shaped limiting hole, and a limiting rod is fixed on the cutter push block, one end of the limiting rod extending into the strip-shaped limiting hole to limit the movement stroke of the cutter push block; The first cam is used to drive one end of the cutter drive block to rotate, so that the other end of the cutter drive block pushes the cutter push block to move inward, forcing the first tension spring to stretch, thereby causing the lower cutter and the upper cutter to intersect and cut the spiral metal wire.

5. The laser-welded braided chain integrated machine of claim 4, wherein, The end of the cutter push block away from the first tension spring has a force adjustment groove, and a force adjustment bolt is screwed into the force adjustment groove. The force adjustment bolt is used to adjust the height of the part extending out of the cutter push block, so as to change the force with which the cutter drive block pushes the cutter push block.

6. The laser-welded braided chain integrated machine of claim 1, wherein, The chain clamping mechanism includes: a clamping mounting base, a first clamping movable block and a second clamping movable block disposed on the clamping mounting base, and a clamping push block passing through the clamping mounting base; a clamping crank is rotatably connected to a predetermined position of the frame, and a second cam is provided on the camshaft; The first clamping movable block is hinged to the clamping mounting base and has a left clamping block at one end; the second clamping movable block is hinged to the clamping mounting base and has a right clamping block at one end; the first clamping movable block and the second clamping movable block are connected by a second tension spring on the side away from the left clamping block, and each has a second movable wheel on the side near the clamping push block; the side of the clamping push block near the second tension spring is cone-shaped or triangular and extends between the two second movable wheels; the second tension spring is used to keep the left clamping block and the right clamping block away from each other; The second cam is used to drive one end of the clamping crank to rotate, so that the other end of the clamping crank pushes the clamping push block to move inward, forcing the second tension spring to stretch, thereby pressing the left clamp block and the right clamp block tightly together, thereby clamping the two ends of the cut spiral metal wire to form a closed new chain loop.

7. The laser-welded braided chain integrated machine of claim 1, wherein, The clamping assembly includes a cylindrical body that passes through the clamping mounting base, a first clamping movable block and a second clamping movable block located at the same end of the cylindrical body, and a clamping push block movably connected to the cylindrical body away from the first clamping movable block; a push rod is fixedly inserted inside the clamping push block. The first clamping movable block is hinged to the cylinder body, and a left clamping block is provided at the end away from the clamping push block; the second clamping movable block is hinged to the cylinder body, and a right clamping block is provided at the end away from the clamping push block; the first clamping movable block and the second clamping movable block are connected by a third tension spring on the side away from the left clamping block, and the third tension spring is used to keep the left clamping block and the right clamping block away from each other; the push rod is cone-shaped or triangular on the side near the third tension spring, and extends between the end of the first clamping movable block away from the left clamping block and the end of the second clamping movable block away from the right clamping block; The linear drive assembly is used to push the push rod to widen the distance between the end of the first clamping movable block away from the left clamping block and the end of the second clamping movable block away from the right clamping block, forcing the third tension spring to stretch, thereby pressing the left clamping block and the right clamping block tightly together, and thus clamping the chain ring.

8. The laser-welded braided chain integrated machine of claim 7, wherein, The linear drive assembly includes a cylinder drive block, a reset assembly, and a first through rod and a second through rod arranged in parallel and spaced apart; the cylinder drive block includes a hinge portion rotatably connected to the clamping mounting base and a second connecting rod and a horizontal drive rod respectively provided on both sides of the hinge portion. The end of the second connecting rod away from the hinge portion is hinged to the clamping push block; the side of the horizontal drive rod near the clamping mounting base is inclined, so that the initial distance of the horizontal drive rod relative to the first through rod is greater than the initial distance relative to the second through rod; the first through rod and the second through rod are pulled away from the horizontal drive rod by their respective fourth tension springs; the camshaft is provided with a third cam and a fourth cam arranged at an acute angle; the third cam is used to drive the first through rod to push the horizontal drive rod outward, and the fourth cam is used to drive the second through rod to push the horizontal drive rod outward, thereby driving the clamping push block to move forward; the reset assembly is used to move the clamping push block backward to return to the initial position.

9. The laser-welded braided chain integrated machine of claim 8, wherein, The reset assembly includes a reset mounting block disposed on the outside of the clamping mounting base and fixedly connected to the cylinder, a fixing connecting rod hinged to the reset mounting block, and a spring connecting block vertically fixed to the end of the fixing connecting rod away from the reset mounting block; a fifth tension spring and a sixth tension spring are respectively connected to the upper and lower ends of the spring connecting block; the ends of the fifth tension spring and the sixth tension spring away from the spring connecting block are both connected to the clamping mounting base, and the fifth tension spring and the sixth tension spring are respectively parallel to the upper and lower sides of the fixing connecting rod; The air blowing mechanism includes an air nozzle fixing bracket and an air nozzle disposed on the air nozzle fixing bracket; the air nozzle fixing bracket is vertically fixedly connected above the fixing link.

10. The laser-welded braided chain integrated machine of claim 8, wherein, The flipping assembly includes a square rod passing through the clamping mounting base and a horizontal block sleeved below the square rod; the square rod has straight teeth on the side near the cylinder, the outer surface of the cylinder has wheel teeth, and the square rod is perpendicular to and meshes with the cylinder; The square rod is hollow and has a sliding notch in the middle. The clamping mounting base has a limiting protrusion with one end passing through the sliding notch and extending into the interior of the square rod. Inside the square rod, there are a first spring limiting pin and a second spring limiting pin located on the upper and lower sides of the limiting protrusion, respectively. A second spring is provided between the first spring limiting pin and the bottom of the square rod, and a third spring is provided between the second spring limiting pin and the top of the square rod. The second spring forces the first spring limiting pin to press against the limiting protrusion and causes the square rod to move downward relative to the limiting protrusion. The third spring forces the second spring limiting pin to press against the limiting protrusion and causes the square rod to move upward relative to the limiting protrusion. Inside the square rod, on the opposite side of the sliding notch, there is also a stop block. The stop block is used to limit the movement of the first spring limiting pin and the second spring limiting pin in the square rod and prevents them from being obstructed by the limiting protrusion. The frame is rotatably connected to a first and a second rotating crank at a predetermined position. The first rotating crank is reset downwards by a seventh tension spring, and the second rotating crank is reset upwards by an eighth tension spring. A fifth and a sixth cam are provided on the camshaft. The fifth cam drives one end of the first rotating crank to rotate, causing the other end of the first rotating crank to push the horizontal block upwards, thereby causing the square rod to rise. This, in turn, drives the cylinder to rotate a predetermined angle along a first horizontal direction, causing the chain ring held by the left and right clamping blocks to twist to one side. The sixth cam drives one end of the second rotating crank to rotate, causing the other end of the second rotating crank to push the horizontal block downwards, thereby causing the square rod to descend. This, in turn, drives the cylinder to rotate a predetermined angle along a second horizontal direction, causing the chain ring held by the left and right clamping blocks to twist to the other side. The fifth and sixth cams are configured at the camshaft mounting angle such that when one end of the first rotating crank rises, one end of the second rotating crank descends synchronously. The lifting and switching assembly includes a rotating rod, a horizontal rotating block sleeved on the rotating rod, and a horizontal drive device fixed on the frame. The rotating rod is coaxially fixed below the square rod, and the horizontal block is rotatably sleeved on the rotating rod. The horizontal block and the horizontal rotating block are fixedly connected by a vertically arranged connecting rod. The output shaft of the horizontal drive device is horizontally hinged to a third connecting rod. A rotating hole is opened at the end of the third connecting rod away from the horizontal drive device, and the connecting rod is rotatably connected in the rotating hole. The horizontal drive device is used to drive the horizontal rotating block to rotate horizontally through the third connecting rod, so that the horizontal block rotates to a position pushed upward by the first flip crank or pushed downward by the second flip crank.

11. The laser welding Chopin chain integrated machine as described in claim 1, characterized in that, The welding mechanism includes a fixed adjustment assembly and a laser head mounted on the fixed adjustment assembly; the fixed adjustment assembly includes a base, an extension seat, a fixed seat, and a lifting adjustment assembly; the base is fixed on the frame; one end of the extension seat is fixed on the base; the fixed seat has a fixing hole for fixing the laser head; The extension seat has a first connecting hole in the vertical direction, and the fixing seat has a second connecting hole with internal threads in the vertical direction; The lifting and adjusting assembly includes an adjusting rod and a turntable; the adjusting rod includes a first rod segment coaxially arranged and a second rod segment with external threads; the radius of the second rod segment is larger than the radius of the first rod segment; the turntable has a through hole at its center that matches the first rod segment; one end of the first rod segment passes through the first connecting hole, and the second rod segment is threadedly connected to the second connecting hole; the turntable is used to drive the adjusting rod to rotate relative to the fixed seat, so that the fixed seat can be raised or lowered relative to the extension seat.

12. The laser-welded braided chain integrated machine of claim 11, wherein, The fixed adjustment assembly further includes an angle adjustment assembly; the angle adjustment assembly includes an offset rod with one end vertically fixed to the fixed base; the extension base also has offset holes; the offset holes are spaced apart on the side of the first connecting hole away from the base; the end of the offset rod away from the fixed base extends into the offset hole and can rotate around the adjustment rod within the offset hole at a predetermined angle; the extension base has first threaded holes communicating with the offset holes on opposite sides of the offset holes along the horizontal direction, and each first threaded hole is threaded with a screw, the ends of the two screws that are close to each other extend into the offset holes to fix the offset rod together.

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