A flat wire catcher and its flat wire catching method

Abstract

This invention discloses a flat wire catcher and its method. The catcher includes a base and a clamping block. The clamping block is pivotally connected to the base via a positioning pin. The base has a catching groove. The rear of the clamping block has a vertically arranged trigger surface, and the front of the clamping block has a horizontally arranged clamping surface. The trigger surface is located on the front side of the root of the catching groove. The base has a locking pin, and the rear of the clamping block has a semi-circular arc groove that mates with the locking pin. The base has an avoidance notch communicating with the root of the catching groove. The lateral width of the avoidance notch is smaller than the lateral width of the clamping surface. A spring connects the clamping block and the base. When using this catcher to catch flat wire, the wire enters the catching groove, pushes the trigger surface, disengages the groove from the locking pin, the spring retracts, and pulls the clamping block to flip, clamping the wire between the clamping surface and the catching groove. This invention can autonomously trigger the clamping of flat wire, clamping it from both sides without changing the direction of the introduced flat wire, effectively clamping the flat wire.

Description

Technical Field

[0001] This invention relates to the field of enameled wire processing equipment technology, and more specifically to a flat wire catcher and a flat wire catching method thereof. Background Technology

[0002] Enameled wire consists of an inner conductor and a coating that surrounds the conductor. After processes such as annealing, coating, baking, and cooling, the baked enameled wire needs to be wound onto a take-up reel using take-up equipment. The production of enameled wire is a continuous process; when a reel is full, it needs to be replaced with another empty reel without stopping the machine.

[0003] To achieve automated wire take-up, a wire catcher is often needed on the take-up machine to automatically catch the wire during reel changes. Since round enameled wire is currently in high demand in the market, there has been considerable research on processing equipment specifically for round enameled wire. Consequently, the wire catchers on existing equipment are designed for round enameled wire. For flat wire, smaller flat wires can utilize existing round enameled wire take-up equipment; however, for larger flat wires, due to the wire width and shape, take-up machines cannot use the same equipment as round enameled wire take-up machines, making wire catchers unusable.

[0004] The patent with the publication number CN209127799U and the name "Wire Catching Device" describes a wire catcher body with an opening. An elastic element is installed inside the opening. The wire slides into the opening and is held by the elastic element. When the wire needs to be released, the elastic element is moved up slightly by the ejector to release the wire.

[0005] The invention patent application with publication number CN114715727A, entitled "A Wire Catcher and Its Application," describes a wire catcher formed by an upper and lower clamping block. The upper clamping block has an elastic element at its rear end. When wire enters the catcher, this elastic element lifts the rear end of the upper clamping block, clamping the wire between the upper and lower clamping blocks. For larger diameter wires, two elastic elements at the bottom lift the lower clamping block. This wire catcher is designed for round wires and is not suitable for flat enameled wires with a certain width.

[0006] Existing wire catchers for round wires basically work by having the wire slide into the catcher and then be clamped from above and below. However, round wires, being flat, have a certain thickness and width. If existing wire catchers designed for round wires are used to catch flat wires, it often changes the direction in which the flat wire is introduced, affecting subsequent take-up. This prevents the flat wire from adhering properly to the reel surface, and during clamping, it cannot be clamped tightly, causing the clamping parts to slip and resulting in ineffective holding. Summary of the Invention

[0007] To address the aforementioned issues, this invention provides a flat wire catcher and its method for catching flat wires. The device autonomously triggers the clamping of the flat wire, clamping it from both sides without altering the orientation of the introduced flat wire, thus effectively holding the flat wire.

[0008] According to one aspect of the present invention, a flat wire catcher is provided, comprising a base and a pivotable clamping block, wherein the lateral width of the rear part of the clamping block is smaller than the lateral width of the front part of the clamping block, the base has a cavity for accommodating the clamping block, the base and the clamping block are pivotally connected by a positioning pin, the base has a wire catching groove, the rear part of the clamping block has a vertically arranged triggering surface, the front part of the clamping block has a horizontally arranged clamping surface, the triggering surface is located on the front side of the root of the wire catching groove, the base has a horizontally arranged locking pin, the rear part of the clamping block has a semi-circular arc groove that cooperates with the locking pin, the rear part of the base has an avoidance notch that communicates with the root of the wire catching groove and the lateral width of the avoidance notch is smaller than the lateral width of the clamping surface, and a spring is connected to the clamping block and the base.

[0009] The wire enters the wire-catching groove and pushes the trigger surface, causing the clamping block to disengage from the locking pin. The spring retracts and pulls the clamping block to rotate around the positioning pin, clamping the wire between the clamping surface and the root of the wire-catching groove.

[0010] Therefore, this flat wire catcher is installed on a take-up device. The catcher rotates with the reel. When not catching wire, the clamping block's slot is engaged with the locking pin. The slot is engaged with the locking pin and passes the dead center to ensure that no wire touches the trigger surface. At this time, the spring is stretched, the trigger surface of the clamping block is vertical, and the clamping surface is horizontal. When switching between a full and empty reel, the enameled wire that needs continuous winding is pulled. The catcher on the empty reel rotates with the reel, and the wire enters the catcher slot in the base. The side of the wire touches the trigger surface of the clamping block. As the catcher rotates, the wire pushes the clamping block... The trigger surface pushes the clamping block, causing the clamping block's slot to disengage from the locking pin. The spring at the bottom of the clamping block retracts, pulling the clamping block to rotate. The clamping block rotates around the positioning pin. After the clamping block flips, the trigger surface of the clamping block becomes horizontal, and the clamping surface becomes vertical. One side of the wire abuts against the root of the wire-catching groove. The flipped clamping block uses the clamping surface and the root of the wire-catching groove to clamp the wire from both sides. The spring retracts and pulls the clamping block, and the clamping surface of the clamping block presses down on the wire, making the captured wire segment tight. During this wire-catching process, the direction of the flat wire's introduction will not change, and the flat wire will not be skewed or twisted, ensuring that after the empty reel is caught, the flat wire can still be wound orderly and neatly onto the reel surface.

[0011] In some embodiments, the rear of the clamping block is provided with a lever, which protrudes from the base. Thus, when the tray is full and needs to be removed, the lever of the clamping block is turned to rotate and reset the clamping block. The clamping block's slot re-engages with the locking pin, the trigger surface of the clamping block returns to a vertical position, and the clamping surface returns to a horizontal position, thus releasing the wire end. Currently, this is done manually by turning the lever and resetting the clamping block. In the future, this reset function can also be achieved with the help of a robotic arm.

[0012] In some embodiments, the clamping surface has protruding clamping protrusions with trapezoidal cross-sections, and the lateral width of the clamping protrusions is smaller than the lateral width of the clearance notch. Thus, when the clamping surface of the clamping block presses down on the wire, the clamping protrusions push the wire into the clearance notch. In this way, a portion of the wire segment is clamped by the protruding clamping protrusions and the clearance notch, while both sides of the wire segment are clamped by the clamping surface and the root of the wire-catching groove, further preventing wire slippage. The trapezoidal cross-section of the clamping protrusions, with their non-sharp tops, increases the contact area between the wire segment and the clamping protrusions, increases friction, strengthens the anti-slip effect, and avoids excessive sharpness that could break the continuously fed wire.

[0013] In some embodiments, the upper part of the slot has a vertical surface, and a rounded chamfer is provided between the slot and the vertical surface. The radius of the rounded chamfer is no greater than half the radius of the engaging pin. Therefore, the design of the slot needs to pass through the dead point of the cylindrical engaging pin, and needs to ensure that the slot of the clamping block and the engaging pin are stably engaged under no external force. However, it cannot be too tightly engaged, and it needs to ensure that once the wire contacts the trigger surface, the slot should immediately disengage from the engaging pin to achieve rapid wire capture.

[0014] In some embodiments, the base is provided with a clearance groove, which is located above the wire-catching groove and is connected to the wire-catching groove and clearance notch. When the locking slot is not disengaged from the locking pin, the top of the trigger surface extends into the clearance groove. Thus, the height of the trigger surface is greater than the height of the wire-catching groove, so that as soon as a wire segment slides into the wire-catching groove, the trigger surface of the clamping block can detect it immediately and trigger the clamping block to flip.

[0015] In some embodiments, the distance from the center of the locating pin to the front end of the clamping surface is slightly greater than the distance from the center of the locating pin to the top of the wire-catching groove, and the distance from the center of the locating pin to the rear end of the clamping surface is slightly less than the distance from the center of the locating pin to the bottom of the wire-catching groove. Therefore, during wire catching, when the clamping block is flipped and the clamping surface is in a vertical position, the clamping surface can completely cover the root of the wire-catching groove in the height direction, completely pressing down on the side of the flat wire, enhancing the clamping effect and preventing slippage.

[0016] In some implementations, the width of the catching groove is 1 to 3 mm wider than the wire width. Therefore, the catching groove is slightly wider than the width of the flat wire, ensuring that the flat wire can smoothly reach the root of the catching groove.

[0017] In some embodiments, the front end of the wire-catching groove of the base is provided with an inlet, the upper and lower surfaces of which are inclined and converge toward the side where the wire-catching groove is located. Therefore, the inclined inlet facilitates the smooth sliding of continuously fed enameled wire into the wire catcher, improving the accuracy of wire catching.

[0018] In some embodiments, the base is provided with an adjustable mounting hole, and the clamping block is provided with a pivot hole that mates with a positioning pin. The root of the pivot hole is semi-circular and fits snugly against the surface of the positioning pin. Thus, the wire catcher is mounted to the take-up device through the adjustable mounting hole. The semi-circular shape of the pivot hole root of the clamping block, which fits snugly against the surface of the positioning pin, ensures the positioning of the clamping block when not catching wire, as well as its positioning after clamping the wire segment, and also ensures smooth rotation of the clamping block.

[0019] According to another aspect of the present invention, a method for capturing flat wires is provided, which employs the aforementioned flat wire capture device, and the specific steps include:

[0020] S1: On the take-up device, a flat wire catcher is installed, the slot of the clamp block engages with the locking pin, and the spring is stretched;

[0021] S2: During wire capture, the flat wire capture device rotates with the take-up equipment, and the wire enters the capture trough;

[0022] S3: When the wire contacts the trigger surface of the clamping block, as the flat wire catcher rotates, the wire pushes the trigger surface, causing the clamping block's slot to disengage from the locking pin.

[0023] S4: The spring retracts, pulling the clamping block to rotate around the positioning pin. After the clamping block rotates, the wire is clamped between the clamping surface and the root of the wire-catching groove.

[0024] S5: When it is necessary to release the wire, apply force to the lever part, rotate the clamp block, so that the slot of the clamp block engages with the locking pin, thereby resetting the clamp block and releasing the wire.

[0025] Therefore, this flat wire capture method utilizes continuously fed wire. When wire capture is needed, the wire actively triggers the triggering surface of the clamping block, causing the clamping block to rotate. After rotation, the clamping surface of the clamping block flips over, using the clamping surface and the root of the capture groove to clamp the wire segment from both sides. After clamping, a spring pulls the bottom of the clamping block, making the clamping surface of the clamping block firmly press the wire, thus pressing the captured wire segment tightly. Moreover, after the clamping block is triggered and flipped, it will not automatically reset, ensuring that it does not loosen after capture. During the capture process, the direction of the flat wire introduction will not change, and since the clamping surface and the root of the capture groove are clamped on both sides of the flat wire, the flat wire will not be skewed or twisted, ensuring that after capture on an empty reel, the flat wire can still be wound orderly and neatly onto the surface of the reel.

[0026] Compared with the prior art, the beneficial effects of the present invention are: the wire catcher provided by the present invention has an ingenious structure, suitable for catching flat and round wires, especially suitable for catching flat wires when changing reels. It utilizes a rotating flat wire catcher in conjunction with continuously fed wire, allowing the continuously fed wire to enter the catching groove of the base. The wire triggers the triggering surface of the clamping block, pushing the clamping block to flip, causing the clamping surface of the clamping block to rotate to the front side of the root of the catching groove. A spring pulls the clamping block, causing the clamping surface to press against the wire, and the clamping surface is pressed against the root of the catching groove. The wire is clamped from both sides, and the clamping surface is reasonably designed with clamping protrusions to further prevent the wire end from slipping. Once the clamping block is triggered and flipped, it will not reset on its own, ensuring that the wire does not loosen after capture. The flat wire capture method using the wire capture device provided in this application clamps the flat wire from both sides. During the capture process, the guide direction of the flat wire will not be changed, and after capture, the flat wire will not be skewed or twisted, ensuring that after capture on an empty reel, the flat wire can still be wound orderly and neatly onto the surface of the reel. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of one embodiment of a flat wire catcher according to the present invention, in which the wire is not caught.

[0028] Figure 2 yes Figure 1 Top view;

[0029] Figure 3 yes Figure 1 Internal structure diagram;

[0030] Figure 4 This is a schematic diagram of the base structure;

[0031] Figure 5 This is a schematic diagram of the clamping block structure;

[0032] Figure 6 This is a schematic diagram of a flat wire catcher after wire catching;

[0033] Figure 7 yes Figure 6 Internal structure diagram;

[0034] Figure 8 yes Figure 6 Top view. Detailed Implementation

[0035] The present invention will be further described below with reference to specific embodiments.

[0036] like Figures 1 to 3 , Figure 7As shown, a flat wire catcher according to one embodiment of the present invention includes a base 1 and a pivotable clamping block 2. The base 1 has a cavity 10 for accommodating the clamping block 2, and the cavity 10 allows the clamping block 2 to rotate within the base 1. The base 1 and the clamping block 2 are pivotally connected by a positioning pin 4. The base 1 has a wire catching groove 11, which is horizontally arranged. The lateral width W2 of the rear part of the clamping block 2 is smaller than the lateral width W1 of the front part of the clamping block 2. This design facilitates the clamping block 2 to form a structure for clamping wire segments with the root 111 of the wire catching groove 11 after subsequent flipping. Furthermore, the longitudinal length L1 of the front part of the clamping block 2 is slightly longer than the longitudinal length L2 of the rear part of the clamping block 2. This design facilitates rapid rotation of the clamping block 2 after it is triggered and also increases the force used to hold the clamped wire segment. When the wire catcher is not catching wire, the clamping block 2 is horizontal. The rear of the clamping block 2 has a vertically arranged trigger surface 21, and the front of the clamping block 2 has a horizontally arranged clamping surface 22. The trigger surface 21 is located in front of the root 111 of the wire catching groove 11. The location of the trigger surface 21 in front of the wire catching groove 11 ensures that the trigger surface 21 contacts the wire segment inside the wire catching groove 11 first, and the extension length of the trigger surface 21 should not be excessive to prevent it from protruding from the base 1 after flipping. The base 1 is equipped with a horizontally arranged locking pin 5. The rear of the clamping block 2 has a semi-circular groove 23 that mates with the locking pin 5. When not catching wire, the groove 23 of the clamping block 2 is engaged with the locking pin 5. The rear of the base 1 has a clearance notch 12, which communicates with the root 111 of the wire catching groove 11. The clearance notch 12 mates with the rear of the clamping block 2, and the lateral width W3 of the clearance notch 12 is smaller than the lateral width W1 of the clamping surface 22 (i.e., the front of the clamping block 2). A spring 3 connects the bottom of the clamping block 2 to the base 1, and the spring 3 is connected to the base 1 by a pin 31. The stroke of the spring 3 needs to ensure that it does not affect the engagement of the slot 23 and the locking pin 5 when the wire is not being caught, and that after the wire is caught, it can pull the clamping block 2 to press the clamping surface 22 tightly against the wire. Before and after the wire is caught, the height of the spring remains basically unchanged and remains horizontal.

[0037] like Figure 4 and 5 As shown, the lower part of the base 1 has two adjustable mounting holes 13. The adjustable mounting holes 13 are vertical, waist-shaped holes, which facilitates the installation of the wire catcher onto the take-up device. The clamping block 2 has a pivot hole 24 that cooperates with the positioning pin 4. The root of the pivot hole 24 is a semi-circular arc 241 and fits against the surface of the positioning pin 4. The pivot hole 24 provides room for the clamping block 2 to move during rotation. In this embodiment, the pivot hole 24 has a waist-shaped hole structure. The semi-circular arc 241 at the root of the pivot hole 24 of the clamping block 2, which fits against the surface of the positioning pin 4, ensures the positioning of the clamping block 2 when no wire is caught, as well as the positioning of the clamping block 2 after the wire segment is clamped, and also ensures the smooth rotation of the clamping block 2.

[0038] This flat wire catcher is installed on the take-up equipment and rotates with the reel, such as... Figure 3 As shown, when no wire is caught, the slot 23 of the clamping block 2 is locked on the locking pin 5. The slot 23 is locked on the locking pin 5 and passes the dead point to ensure that no wire touches the trigger surface 21. The slot 23 can be stably locked on the locking pin 5. At this time, the spring 3 is in a stretched state, the trigger surface 21 of the clamping block 2 is vertical and the clamping surface 22 is horizontal.

[0039] When switching between a full and empty reel, the enameled wire that needs to be continuously wound will be pulled, and the wire catcher on the empty reel will rotate with the reel. Figure 6 and 7 As shown, the wire enters the wire-catching groove 11 of the base 1, and the side of the wire touches the trigger surface 21 of the clamping block 2. As the wire catcher rotates, the wire pushes the trigger surface 21 of the clamping block 2, pushing the clamping block 2 and causing the clamping slot 23 of the clamping block 2 to disengage from the locking pin 5. The spring 3 at the bottom of the clamping block 2 retracts, pulling the clamping block 2 to rotate. The clamping block 2 rotates around the positioning pin 4. Due to the thickness of the wire, the rotation angle of the clamping block 2 is close to 90 degrees. After the clamping block 2 flips, the trigger surface 21 of the clamping block 2 becomes horizontal, and the clamping surface 22... When the wire is in a vertical position, one side of the wire abuts against the root 111 of the wire-catching groove 11. The flipped clamp 2 uses the clamping surface 22 and the root 111 of the wire-catching groove 11 to clamp the wire from both sides. The spring 3 retracts and pulls the clamp 2, and the clamping surface 22 of the clamp 2 presses down on the wire, making the captured wire segment tight. During this wire-catching process, the direction of the flat wire is not changed, and the flat wire will not be skewed or twisted, ensuring that after the wire is caught on an empty reel, the flat wire can still be wound neatly and obediently on the surface of the reel.

[0040] like Figure 3 As shown, a lever 26 is designed at the rear of the clamping block 2, protruding from the base 1. When the tray is full and needs to be removed, lever 26 of the clamping block 2 is moved to rotate and reset the clamping block 2. The slot 23 of the clamping block 2 then re-engages with the locking pin 5, the trigger surface 21 of the clamping block 2 returns to a vertical position, and the clamping surface 22 returns to a horizontal position, thus releasing the wire end. Since sufficient operation time is allowed after the tray is full, the lever 26 is currently manually moved to manually reset the tray. In the future, a robotic arm can also be used to achieve this reset function.

[0041] The clamping surface 22 has a protruding clamping protrusion 221. Figure 5 As shown), the cross-section of the clamping protrusion 221 is trapezoidal, and the lateral width W4 of the clamping protrusion 221 is smaller than the lateral width W3 of the clearance notch 12. Figure 2(As shown). Therefore, when the clamping surface 22 of the clamping block 2 presses down on the wire, the clamping protrusion 221 pushes the wire into the clearance notch 12. In this way, a part of the wire segment is clamped by the protruding clamping protrusion 221 and the clearance notch 12, and both sides of the wire segment are clamped by the clamping surface 22 and the root 111 of the wire-catching groove 11, which can further prevent the wire from slipping. The cross-section of the clamping protrusion 221 is trapezoidal, and the top of the clamping protrusion 221 is not a sharp structure, which can increase the contact surface between the wire segment and the clamping protrusion 221, increase the friction, strengthen the anti-slip effect, and also avoid being too sharp and breaking the continuously conveyed wire.

[0042] like Figure 3 and 5 As shown, the upper part of the slot 23 has a vertical surface 25, and the slot 23 and the vertical surface 25 are machined into an arc chamfer 231. The radius of the arc chamfer 231 is not greater than half the radius of the locking pin 5. The design of the slot 23 needs to pass through the dead point of the cylindrical locking pin 5, and needs to ensure that the slot 23 of the clamping block 2 and the locking pin 5 are stably engaged under no external force. However, it cannot be locked too tightly. It needs to ensure that once the wire contacts the trigger surface 21, the slot 23 should immediately disengage from the locking pin 5 to achieve rapid wire capture. In this embodiment, the radius diameter of the locking pin 5 is 3 mm, and the preferred size of the rounded chamfer 231 is 1 mm. The maximum size of the rounded chamfer 231 cannot exceed 1.5 mm. If it exceeds this size, the locking groove 23 and the locking pin 5 will be too loose and ineffective. The minimum size of the rounded chamfer 231 is not less than 0.5 mm. If it is too small, after the wire contacts the trigger surface 21, the locking groove 23 of the clamping block 2 will have difficulty passing the dead point of the locking pin 5, and the rotation of the clamping block 2 will be insensitive.

[0043] like Figure 3 and 4 As shown, a clearance groove 14 is provided on the top of the base 1. The clearance groove 14 is located above the wire-catching groove 11 and is connected to the wire-catching groove 11 and the clearance notch 12. When the locking slot 23 is not disengaged from the locking pin 5, the top of the trigger surface 21 extends into the clearance groove 14. The height of the trigger surface 21 is greater than the height of the wire-catching groove 11. In this way, as soon as a wire segment slides into the wire-catching groove 11, the trigger surface 21 of the clamping block 2 can detect it immediately, and trigger the clamping block 2 to flip.

[0044] like Figure 3 As shown, the distance L3 from the center of the positioning pin 4 to the front end of the clamping surface 22 is slightly greater than the distance L4 from the center of the positioning pin 4 to the top of the wire-catching groove 11, and the distance L5 from the center of the positioning pin 4 to the rear end of the clamping surface 22 is slightly less than the distance L6 from the center of the positioning pin 4 to the bottom of the wire-catching groove 11. During wire catching, when the clamping block 2 is flipped and the clamping surface 22 is rotated to a vertical position, in the height direction, the clamping surface 22 can completely cover the root 111 of the wire-catching groove 11, and can completely press down the side of the flat wire, strengthening the clamping effect and preventing slippage.

[0045] The width of the catching groove 11 is 1 to 3 mm wider than the wire width, preferably 2 mm wider. The catching groove 11 is slightly wider than the wire width of the flat wire to ensure that the flat wire can smoothly reach the root 111 of the catching groove 11.

[0046] The front end of the wire-catching groove 11 of the base 1 has an inlet 110 ( Figure 3 As shown, the top and bottom surfaces of the inlet 110 are inclined and converge toward the side where the wire-catching groove 11 is located. That is, the top of the inlet 110 is inclined downward from front to back, and the bottom of the inlet 110 is inclined upward from front to back. In this way, the inclined inlet 110 facilitates the smooth sliding of continuously fed enameled wire into the wire catcher, improving the accuracy of wire catching.

[0047] Combination Figure 3 and 7 The specific steps of using the flat wire catcher provided above for catching flat wires include:

[0048] S1: On the take-up device, the flat wire catcher is installed through the adjustable mounting hole 13. At this time, the clamping block 2 is kept horizontal relative to the base 1, the slot 23 of the clamping block 2 is engaged with the locking pin 5, the spring 3 is in a stretched state, the triggering surface 21 of the clamping block 2 is vertical, and the clamping surface 22 is horizontal.

[0049] S2: During wire capture, the flat wire capture device rotates with the wire take-up equipment, and the wire enters the capture groove 11. At this time, the wide side of the flat wire enters along the capture groove 11.

[0050] S3: As the flat wire catcher rotates, the wire comes into contact with the trigger surface 21 of the clamping block 2. The wire pushes the trigger surface 21 of the clamping block 2, causing the slot 23 of the clamping block 2 to disengage from the locking pin 5.

[0051] S4: Spring 3 retracts naturally, pulling the bottom of clamping block 2, causing clamping block 2 to rotate around positioning pin 4. After clamping block 2 rotates, the wire is clamped between clamping surface 22 and the root 111 of wire-catching groove 11. Clamping protrusion 221 on clamping surface 22 pushes the wire into clearance notch 12. A portion of the wire segment is clamped by the protruding clamping protrusion 221 and clearance notch 12. Both sides of the wire segment are clamped by clamping surface 22 and the root 111 of wire-catching groove 11, which can further prevent the wire from slipping.

[0052] S5: When it is necessary to release the wire, apply force to the lever part 26, rotate the clamp 2, so that the slot 23 of the clamp 2 engages with the locking pin 5, thereby resetting the clamp 2 and releasing the wire.

[0053] This flat wire capture method utilizes continuously fed wire. When capture is needed, the wire actively triggers the trigger surface 21 of the clamping block 2, causing the clamping block 2 to rotate. After rotation, the clamping surface 22 of the clamping block 2 flips over, using the clamping surface 22 and the root 111 of the capture groove 11 to clamp the wire segment from both sides. After clamping, the spring 3 pulls the bottom of the clamping block 2, making the clamping surface 22 of the clamping block 2 firmly press the wire, thus compressing the captured wire segment. After the clamping block 2 is triggered and flipped, it will not automatically reset, ensuring that it does not loosen after capture. During the capture process, the direction of the flat wire introduction is not changed, and since the clamping surface 22 and the root 111 of the capture groove 11 clamp the flat wire from both sides, the flat wire will not be skewed or twisted, ensuring that after capture on an empty reel, the flat wire can still be wound orderly and neatly onto the reel surface.

[0054] The wire catcher provided by this invention has an ingenious structure and is suitable for catching both flat and round wires, especially for catching flat wires when changing reels. It utilizes a rotating flat wire catcher in conjunction with continuously fed wire to allow the continuously fed wire to enter the catching groove 11 of the base 1. The wire triggers the trigger surface 21 of the clamping block 2, causing the clamping block 2 to flip and rotate the clamping surface 22 of the clamping block 2 to the front side of the root 111 of the catching groove 11. The spring 3 pulls the clamping block 2, causing the clamping surface 22 to press the wire tightly. The clamping surface 22 and the root 111 of the catching groove 11 clamp the wire from both sides. The clamping surface 22 is reasonably equipped with clamping protrusions 221 to further prevent the wire end from slipping. Once the clamping block 2 is triggered and flipped, it will not reset on its own, ensuring that it does not loosen after catching the wire. The flat wire capturing method using the wire catcher provided in this application clamps the flat wire from both sides. During the capturing process, the guide direction of the flat wire is not changed, and after capturing, the flat wire will not be skewed or twisted. This ensures that after capturing the flat wire on an empty reel, the flat wire can still be wound up in an orderly and neat manner on the surface of the reel.

[0055] The above descriptions are merely some embodiments of the present invention. It should be noted that those skilled in the art can make other modifications and improvements without departing from the inventive concept of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A flat wire catcher, characterized in that, The device includes a base and a pivotable clamping block. The rear lateral width of the clamping block is smaller than the front lateral width. The base has a cavity for accommodating the clamping block. The base and the clamping block are pivotally connected by a positioning pin. The base has a wire-catching groove. The rear of the clamping block has a vertically arranged trigger surface. The front of the clamping block has a horizontally arranged clamping surface. The trigger surface is located in front of the root of the wire-catching groove. The base has a horizontally arranged locking pin. The rear of the clamping block has a semi-circular arc groove that mates with the locking pin. The rear of the base has a clearance notch that communicates with the root of the wire-catching groove, and the lateral width of the clearance notch is smaller than the lateral width of the clamping surface. A spring connects the clamping block and the base. The wire enters the wire-catching groove and pushes the trigger surface, causing the clamping block to disengage from the locking pin. The spring retracts and pulls the clamping block to rotate around the positioning pin, and the wire is clamped between the clamping surface and the root of the wire-catching groove.

2. The flat wire catcher according to claim 1, characterized in that, The rear part of the clamping block is provided with a lever, which protrudes from the base.

3. The flat wire catcher according to claim 1 or 2, characterized in that, The clamping surface is provided with a protruding clamping protrusion, the cross-section of which is trapezoidal, and the lateral width of which is smaller than the lateral width of the clearance notch.

4. The flat wire catcher according to claim 3, characterized in that, The upper part of the slot has a vertical surface, and there is a rounded chamfer between the slot and the vertical surface. The radius of the rounded chamfer is not greater than half the radius of the locking pin.

5. The flat wire catcher according to claim 1, characterized in that, The base is provided with a clearance groove, which is located above the wire-catching groove and is connected to the wire-catching groove and clearance notch. When the card slot is not disengaged from the locking pin, the top of the trigger surface extends into the clearance groove.

6. The flat wire catcher according to claim 5, characterized in that, The distance from the center of the positioning pin to the front end of the clamping surface is slightly greater than the distance from the center of the positioning pin to the top of the wire-catching groove, and the distance from the center of the positioning pin to the rear end of the clamping surface is slightly less than the distance from the center of the positioning pin to the bottom of the wire-catching groove.

7. The flat wire catcher according to claim 1, characterized in that, The width of the wire-catching groove is 1-3 mm wider than the wire width.

8. The flat wire catcher according to claim 1, characterized in that, The base has an inlet at the front end of the wire-catching groove. The inlet is inclined on both the upper and lower surfaces and converges towards the side where the wire-catching groove is located.

9. The flat wire catcher according to claim 1, characterized in that, The base is provided with an adjustable mounting hole, and the clamping block is provided with a pivot hole that cooperates with the positioning pin. The root of the pivot hole is semi-circular and fits against the surface of the positioning pin.

10. A method for capturing flat wires, using a flat wire capture device as described in any one of claims 1 to 9, comprising the following steps: S1: On the take-up device, a flat wire catcher is installed, the slot of the clamping block is engaged with the locking pin, and the spring is stretched; S2: During wire capture, the flat wire capture device rotates with the take-up equipment, and the wire enters the capture trough; S3: When the wire contacts the trigger surface of the clamp, as the flat wire catcher rotates, the wire pushes the trigger surface, causing the clamp's slot to disengage from the locking pin. S4: The spring retracts, pulling the clamping block to rotate around the positioning pin. After the clamping block rotates, the wire is clamped between the clamping surface and the root of the wire-catching groove. S5: The rear part of the clamping block is provided with a lever. When it is necessary to release the wire, force is applied to the lever to rotate the clamping block, so that the slot of the clamping block engages with the locking pin, thereby resetting the clamping block and releasing the wire.

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