Broken wire emergency stop device for welding strip machining

Abstract

The utility model provides a broken line emergency stop device for welding strip processing, which belongs to the technical field of welding strip processing equipment and comprises a base. The swinging assembly is arranged on the outer side wall of the base; the travel switch is arranged at the top of the base; the driving conveying wheel and the traction wheel are rotationally arranged at the position, close to the lower portion of the swing assembly, of the outer side wall of the base, and the traction wheel is located between the driving conveying wheel and the swing assembly; the driven conveying wheel is arranged at the lateral upper position of the base; the swing assembly comprises an installation disc fixed to the outer wall of one side of the base. The rotary table rotates at the central position of the outer wall of one side of the mounting disc; through linkage of the swing rod and the travel switch, when the welding strip is broken or loosened, the long end of the swing rod loses upward pulling force and then moves downwards in the axial direction, the travel switch is triggered according to the lever principle, traction conveying of the welding strip is stopped, winding caused by continuous conveying after the welding strip is broken or loosened is avoided, and then equipment damage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding strip processing equipment technical field, concretely relates to a welding strip processing is with broken line emergency stop device. BACKGROUND

[0002] Welding strip is also called tin-plated copper strip or tin-coated copper strip, which is divided into busbar and interconnection strip and is applied to the connection between photovoltaic module cells to play an important role of electric conduction.

[0003] The existing welding strip needs to maintain a certain tension in the conveying process, so that the welding strip can be stably conveyed. However, due to the existence of tension and the uncertainty in the conveying process, the welding strip is prone to breakage due to excessive tension or relaxation due to insufficient tension, which causes the continuously conveyed welding strip to be wound, and further causes the conveying device to be damaged due to the winding of the welding strip.

[0004] Therefore, a welding strip processing broken line emergency stop device is proposed. SUMMARY

[0005] The utility model provides a kind of welding strip processing broken line emergency stop device, it is to solve the problem proposed above.

[0006] The utility model embodiment provides a kind of welding strip processing broken line emergency stop device, including base;It is set in the swing component of the base outer lateral wall;And it is set in the travel switch of the base top;Rotates in the driven conveying wheel of the base outer lateral wall near swing component lower position place active conveying wheel and traction wheel, the traction wheel is located between active conveying wheel and swing component;It is set in the driven conveying wheel of the base side upper position place;The swing component includes: fixed on the mounting disc of the base one side outer wall;Rotates in the central position of the mounting disc one side outer wall turntable;It is fixed in the swing rod of the turntable outer lateral wall;Rotates in the guide wheel of the swing rod long side one side end;It is set in the scale line of the swing rod outer lateral wall;And rotate in the ball screw one and ball screw two of the swing rod interior, the ball screw one is located in the one side of ball screw two;Counterweight one is fixed on the nut seat of the ball screw one by screw;Counterweight two is fixed on the nut seat of the ball screw two by screw;Welding strip is wound in the active conveying wheel, traction wheel, guide wheel and driven conveying wheel.

[0007] Further, the connection of the turntable and the swing rod is located at one-third of the length of the swing rod;

[0008] By adopting the above technical scheme, the gravity of the two ends of the swing rod is different when the swing rod rotates with the turntable, and then swings under the action of gravity.

[0009] Further, annular grooves matched with the welding strip are formed in the outer lateral walls of the active conveying wheel, the traction wheel, the guide wheel and the driven conveying wheel.

[0010] By adopting the technical scheme, the stability of the welding strip conveying is ensured.

[0011] Further, a concave cavity for linear movement of the counterweight block one and the counterweight block two is formed on one side outer wall of the swing rod, and the counterweight of the counterweight block one is smaller than that of the counterweight block two.

[0012] By adopting the technical scheme, the counterweight block one and the counterweight block two are facilitated to move on the swing rod through the concave cavity, and the pressure value at both ends of the swing rod is balanced or adjusted by using the counterweight difference and the setting at different positions on the swing rod, so that the tension value that can be borne by the welding strip is adjusted.

[0013] Further, hand wheels are arranged at one end of the ball screw one and the ball screw two close to the outer side position of the swing rod.

[0014] By adopting the technical scheme, the ball screw one and the ball screw two are facilitated to rotate.

[0015] Further, the triggering end of the travel switch and the short end of the swing rod are on the same vertical plane.

[0016] By adopting the technical scheme, the swing rod is facilitated to contact the travel switch.

[0017] Further, the driving conveying wheel is driven by a motor mounted in the base.

[0018] By adopting the technical scheme, the driving conveying wheel is driven by the motor, so that the welding strip conveying is realized.

[0019] The beneficial effects of the utility model are as follows:

[0020] The utility model discloses a linkage of the swing rod and the travel switch, so that when the welding strip is broken or relaxed, the long end of the swing rod loses the upward pulling force and moves axially downward, the travel switch is triggered by using the lever principle, and then the welding strip is stopped from being pulled and conveyed, so that the winding caused by the continuous conveying of the welding strip after being broken or relaxed is avoided, and the equipment is prevented from being damaged, the gravity value at both ends of the swing rod is regulated by adjusting the different positions of the counterweight block one and the counterweight block two on the swing rod, so that the corresponding tension is ensured when the welding strip is pulled and conveyed, and the problem of welding breakage caused by the too large tension value is avoided, and the welding strip in the pulling and conveying process is better protected.

[0021] Other features and advantages of the utility model will be set forth in the subsequent description, and partially become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure specially pointed out in the description and the drawings. DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0023] Figure 1 A structural schematic view of an embodiment of the present application;

[0024] Figure 2 A cooperation schematic view of the counterweight block one and the counterweight block two and the swing rod of an embodiment of the present application;

[0025] Figure 3 A swing rod structural schematic view of an embodiment of the present application;

[0026] Figure 4 An enlarged view of A in the embodiment of the present application; Figure 1

[0027] Reference signs: 1, base; 2, swing assembly; 21, mounting disc; 22, rotary table; 23, swing rod; 24, guide wheel; 25, scale line; 26, ball screw one; 27, ball screw two; 28, counterweight block one; 29, counterweight block two; 3, travel switch; 4, driving conveying wheel; 5, traction wheel; 6, driven conveying wheel; 7, welding strip. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Refer to Figures 1-4 ​The utility model discloses a kind of broken line emergency stop devices for welding strip processing, including pedestal 1, the outer wall of one side of pedestal 1 is fixedly connected with mounting disc 21 in swing assembly 2 by bolt, rotatingly connected with rotating table 22 on the outer wall central position of one side of mounting disc 21 away from pedestal 1, the outer wall of one side of rotating table 22 is fixedly connected with swing rod 23 and penetrates, the connecting place of rotating table 22 and swing rod 23 is located at one third of swing rod 23 length, so that swing rod 23 is rotated with rotating table 22, the gravity of both ends of swing rod 23 is different, and then swing under the action of gravity, rotatingly connected with guide wheel 24 on the outer wall of swing rod 23 near long end position, two scale lines 25 are arranged on the outer wall of swing rod 23, rotatingly connected with ball screw one 26 and ball screw two 27 in the inside of swing rod 23, ball screw one 26 is located at one side of ball screw two 27, hand wheel is arranged on the outer side position of one end of ball screw one 26 and ball screw two 27 near swing rod 23, to facilitate rotating ball screw one 26 and ball screw two 27, nut base on ball screw one 26 is fixedly connected with counterweight one 28 by screw, nut base on ball screw two 27 is fixedly connected with counterweight two 29 by screw, recess is formed on the outer wall of one side of swing rod 23, and the recess is used for the linear movement of counterweight one 28 and counterweight two 29, the counterweight of counterweight one 28 is less than the counterweight of counterweight two 29, and counterweight one 28 and counterweight two 29 are moved on swing rod 23 by the recess, and the counterweight difference and the setting on different positions on swing rod 23 are utilized, the pressure value of both ends of swing rod 23 is balanced or adjusted, and then it is convenient to adjust according to the tension that welding strip 7 can bear, the top of pedestal 1 is fixedly connected with travel switch 3 by bolt, the trigger end of travel switch 3 and the short side end of swing rod 23 are on the same vertical plane, to facilitate swing rod 23 contact travel switch 3, rotatingly connected with driving wheel 4 and traction wheel 5 on the outer wall of one side of pedestal 1 near mounting disc 21 lower position, driving wheel 4 is driven by motor installed in the inside of pedestal 1, driving wheel 4 is driven by motor, to realize welding strip 7 conveying, traction wheel 5 is located between driving wheel 4 and mounting disc 21, driven wheel 6 is arranged on the upper position of one side of pedestal 1, the outer wall of guide wheel 24, driving wheel 4, traction wheel 5 and driven wheel 6 is wound through welding strip 7, annular groove that is matched with welding strip 7 is formed on the outer wall of driving wheel 4, traction wheel 5, guide wheel 24 and driven wheel 6, to guarantee the stability of welding strip 7 conveying;

[0030] The utility model discloses a kind of broken line emergency stop devices for welding strip processing, including pedestal 1, the outer wall of one side of pedestal 1 is fixedly connected with mounting disc 21 in swing assembly 2 by bolt, rotatingly connected with rotating table 22 on the outer wall central position of one side of mounting disc 21 away from pedestal 1, the outer wall of one side of rotating table 22 is fixedly connected with swing rod 23 and penetrates, the connecting place of rotating table 22 and swing rod 23 is located at one third of swing rod 23 length, so that swing rod 23 is rotated with rotating table 22, the gravity of both ends of swing rod 23 is different, and then swing under the action of gravity, rotatingly connected with guide wheel 24 on the outer wall of swing rod 23 near long end position, two scale lines 25 are arranged on the outer wall of swing rod 23, rotatingly connected with ball screw one 26 and ball screw two 27 in the inside of swing rod 23, ball screw one 26 is located at one side of ball screw two 27, hand wheel is arranged on the outer side position of one end of ball screw one 26 and ball screw two 27 near swing rod 23, to facilitate rotating ball screw one 26 and ball screw two 27, nut base on ball screw one 26 is fixedly connected with counterweight one 28 by screw, nut base on ball screw two 27 is fixedly connected with counterweight two 29 by screw, the recess is formed on the outer wall of one side of swing rod 23, and the recess is used for the linear movement of counterweight one 28 and counterweight two 29, the counterweight of counterweight one 28 is less than the counterweight of counterweight two 29, and counterweight one 28 and counterweight two 29 are moved on swing rod 23 by the recess, and the counterweight difference and the setting on different positions on swing rod 23 are utilized, the pressure value of both ends of swing rod 23 is balanced or adjusted, and then it is convenient to adjust according to the tension that welding strip 7 can bear, the top of pedestal 1 is fixedly connected with travel switch 3 by bolt, the trigger end of travel switch 3 and the short side end of swing rod 23 are on the same vertical plane, to facilitate swing rod 23 contact travel switch 3, rotatingly connected with driving wheel 4 and traction wheel 5 on the outer wall of one side of pedestal 1 near mounting disc 21 lower position, driving wheel 4 is driven by motor installed in the inside of pedestal 1, driving wheel 4 is driven by motor, to realize welding strip 7 conveying, traction wheel 5 is located between driving wheel 4 and mounting disc 21, driven wheel 6 is arranged on the upper position of one side of pedestal 1, the outer wall of guide wheel 24, driving wheel 4, traction wheel 5 and driven wheel 6 is wound through welding strip 7, annular groove that is matched with welding strip 7 is formed on the outer wall of driving wheel 4, traction wheel 5, guide wheel 24 and driven wheel 6, to guarantee the stability of welding strip 7 conveying; Figure 1As shown, the welding strip 7 lifts the guide wheel 24. The welding strip 7 generates tension under the weight of the guide wheel 24 and the swing arm 23. During normal operation, the tension of the welding strip 7 keeps the swing arm 23 in a balanced position. When the welding strip 7 breaks, the tension suddenly disappears. After the guide wheel 24 loses tension, because one end of the swing arm 23 is longer than the other, the longer end of the swing arm 23 (i.e., the end where the guide wheel 24 is located) moves axially downwards around the turntable 22, while the shorter end of the swing arm 23 moves axially upwards. During this movement, the swing arm 23 contacts the limit switch 3. Upon detection, the limit switch 3 cuts off the drive power to the active conveyor wheel 4, and the welding strip 7 stops conveying after losing traction, thus preventing the welding strip from being conveyed. 7. The problem of continuous conveying after breakage causing the active conveyor wheel 4 and traction wheel 5 to become entangled and damaged. When adjusting the tension of the welding strip 7 during traction conveying, the ball screw 1 26 and ball screw 27 are rotated, and the counterweight 1 28 and counterweight 29 move on the swing arm 23. The position of the counterweight 1 28 and counterweight 29 is precisely controlled according to the scale line 25. The position of the counterweight 1 28 and counterweight 29 on the swing arm 23 is used to adjust the gravity value at both ends of the swing arm 23. In this way, while ensuring that the welding strip 7 has the corresponding tension during traction conveying, the problem of the welding strip 7 breaking due to excessive tension value can be avoided, and the welding strip 7 is better protected during the traction conveying process.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A wire breaking and emergency stopping device for welding strip processing, characterized in that: it comprises a base (1); a swing assembly (2) provided on the outer wall of the base (1); and a travel switch (3) provided on the top of the base (1); a driving conveying wheel (4) and a traction wheel (5) are rotatably arranged on the outer wall of the base (1) near the lower position of the swing assembly (2), and the traction wheel (5) is located between the driving conveying wheel (4) and the swing assembly (2); a driven conveying wheel (6) is provided on the upper position of the side of the base (1); the swing assembly (2) comprises: a mounting disc (21) fixed to the outer wall of one side of the base (1); a turntable (22) rotatably arranged on the central position of the outer wall of one side of the mounting disc (21); a swing rod (23) penetratingly fixed to the outer wall of the turntable (22); a guide wheel (24) rotatably arranged on one side end of the long side of the swing rod (23); a scale line (25) provided on the outer wall of the swing rod (23); and a ball screw one (26) and a ball screw two (27) rotatably arranged in the swing rod (23), wherein the ball screw one (26) is located on one side of the ball screw two (27); a counterweight one (28) is fixed to the nut seat of the ball screw one (26) by a screw; a counterweight two (29) is fixed to the nut seat of the ball screw two (27) by a screw; and a welding strip (7) is arranged around the driving conveying wheel (4), the traction wheel (5), the guide wheel (24) and the driven conveying wheel (6). The connecting position of the turntable (22) and the swing rod (23) is located at one third of the length of the swing rod (23). The outer walls of the driving conveying wheel (4), the traction wheel (5), the guide wheel (24) and the driven conveying wheel (6) are all provided with annular grooves matched with the welding strip (7). The outer wall of the swing rod (23) is provided with a concave cavity for linear movement of the counterweight one (28) and the counterweight two (29), and the counterweight of the counterweight one (28) is smaller than that of the counterweight two (29). One end of the ball screw one (26) and the ball screw two (27) is provided with a hand wheel near the outer side position of the swing rod (23). The triggering end of the travel switch (3) and the short end of the swing rod (23) are located on the same vertical plane. The driving conveying wheel (4) is driven by a motor installed in the interior of the base (1). ​ ​ ​ ​ ​ ​ ​ ​ ​ 2. The wire breaking and emergency stop device for processing of a welding strip according to claim 1, characterized in that: ​ 3. The wire breaking and emergency stop device for welding strip processing according to claim 1, characterized in that: ​ 4. The wire breaking and emergency stop device for processing of a welding strip according to claim 1, characterized in that: ​ 5. The line breaking and emergency stop device for welding strip processing according to claim 1, characterized in that: ​ 6. The wire breaking and emergency stop device for processing of a welding strip according to claim 1, characterized in that: ​ 7. The wire breaking and emergency stop device for welding strip processing according to claim 1, characterized in that: ​

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