Device and method for detecting short circuit of coil nailing machine
By designing a short-circuit detection device for a nailing machine, and utilizing the linkage between the trigger rod and the limit plate, the problem of misjudgment caused by the bending of the guide pin was solved, thereby improving detection accuracy and material utilization and reducing production costs.
Patent Information
- Application Number
- CN202511676688.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-17
- Publication Date
- 2025-12-12
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the operation of the nailing machine, the thin and long capacitor guide pin is prone to bending, which can cause positional deviation, increase the difficulty of detection and positioning, and easily lead to false short circuits in the guide pin, resulting in false judgments of unqualified products and waste of raw materials.
Design a short circuit detection device for a nailing machine. By cooperating with a trigger rod and a limiting plate, the device ensures that the guide pin does not deviate during the detection process. By using the linkage of a slider and an elastic element, the spacing between the guide pins is increased, avoiding misjudgment and improving detection accuracy.
It effectively reduces the difficulty of detection and positioning, improves detection accuracy, increases raw material utilization, and reduces production costs.
Smart Images
Figure CN121114642A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of short circuit detection, in particular to a short circuit detection device and method for a pin winding machine. BACKGROUND
[0002] Capacitors are mainly used for reactive power compensation in the smart grid industry to improve power factor, regulate voltage stability, suppress harmonic pollution, and help to smooth the volatility of new energy power generation to ensure smooth grid connection, reduce line loss, and improve power grid operation efficiency and reliability.
[0003] For example, during the factory test of smart grid transformers, power distribution cabinets and other equipment, connect the capacitor compensation test loop to compensate for reactive power, reduce voltage and current fluctuations, and make winding thermal stability, insulation performance and other test data more accurate to ensure that the product meets the factory standards. During the use of smart grid transformers, power distribution cabinets and other equipment, it plays a role in power compensation and improves power factor to improve power transmission efficiency.
[0004] The pin winding machine is designed for efficient production of sheet-type aluminum electrolytic capacitor elements. It can accurately feed raw materials such as positive foil, negative foil, electrolytic paper, guide needles and adhesive tape into designated fixtures to realize fully automated pinning and winding processes. After the capacitor element is wound and formed, a direct current pulse voltage method is used to apply a specific parameter direct current pulse voltage to the capacitor element. With the impact of high voltage and large current, the potential metal burrs inside the element are effectively burned off, significantly reducing the risk of false short circuit products. If the burrs cannot be eliminated after impact treatment, they are determined to be unqualified products and are removed to ensure the overall qualification rate of capacitor element finished products.
[0005] However, the free end of the slender capacitor guide needle is prone to bending during the operation of the pin winding machine, causing the position of the free end of the capacitor element guide needle to deviate after winding. This not only greatly increases the positioning difficulty of the detection device, but also easily causes a single guide needle to connect to the positive and negative poles, leading to false positives. In addition, when the two guide needles of the same element accidentally contact due to bending, the current in the short circuit detection link will directly pass through the metal contact point between the guide needles, forming a path, causing the detection device to falsely determine the product as unqualified. However, such "false unqualified products" caused by guide needle bending contact only require straightening the guide needle or cutting off the excess length in the subsequent foot cutting process to eliminate the guide needle contact problem without direct rejection. SUMMARY
[0006] The technical scheme of the present application provides a short circuit detection device and method for a nail winding machine, a trigger lever contacts an upper guide needle to rotate, a top plate extends a limiting plate to separate the guide needle under the action of an elastic element, and a slider continues to descend to increase the distance between the free ends of the guide needles, thereby avoiding the position deviation of the guide needles out of control and misjudgment, reducing the detection positioning difficulty, improving the detection accuracy, effectively utilizing the product, improving the utilization rate of raw materials, and reducing the production cost.
[0007] To achieve the above object, the present application provides the following technical scheme: a short circuit detection device for a nail winding machine, comprising a mounting seat, wherein the mounting seat is rotationally provided with a swing lever, characterized in that: a pair of clamping jaws are symmetrically rotationally arranged at the free end of the swing lever; a control part is installed between the clamping jaws and the swing lever for driving the clamping jaws to open and close; a pair of sliders are symmetrically arranged and slidably arranged on different clamping jaws; a top plate and a trigger lever are provided, wherein the top plate is elastically slidably arranged in one of the sliders by an elastic element, and the top plate is fixedly provided with a limiting plate; the trigger lever is rotationally arranged in the other slider; the end of the trigger lever can abut against the top plate, the trigger lever rotates after contacting the guide needle, and the top plate drives the limiting plate to pop out and limit the upward movement of the lower guide needle; a yielding element is elastically slidably arranged in the clamping jaw by an elastic element, and the side wall of the yielding element abuts against the slider, and a yielding groove is formed in the bottom of the side wall; a positioning part is slidably arranged on the yielding element and can synchronously ascend and descend with the slider, and an electrode for connecting a circuit is arranged on the outer side of the positioning part; a driving part is used for driving the synchronous movement of the slider; when the slider moves to the side edge of the yielding groove, the yielding element drives the displacement of the positioning part.
[0008] As a further scheme of the present application, an angle adjusting bolt is threadedly connected to the slider, and the top of the angle adjusting bolt can abut against the trigger lever.
[0009] As a further scheme of the present application, the driving part comprises a telescopic rod, and the telescopic rod is installed on the clamping jaw and the slider on the same side.
[0010] As a further scheme of the present application, the adjacent ends of the slider are fixedly provided with synchronous blocks, the upper surfaces and lower surfaces between the synchronous blocks can abut against each other, and the driving part further comprises a return spring, and the return spring is installed between the slider and the clamping jaw.
[0011] As a further scheme of the present application, the outer side of the electrode is obliquely arranged, one of the electrodes is located below the lower synchronous block, and the other electrode is located below the limiting plate.
[0012] As a further scheme of the present application, the sliding inside the sliding block is provided with a pressure regulating plate, the pressure regulating plate is rotationally provided with a pre-pressure adjusting bolt, and the pre-pressure adjusting bolt is threadedly connected with the sliding block.
[0013] As a further scheme of the present application, the control part comprises a telescopic piece mounted on the swing lever, a control rod is fixedly arranged at a free end of the telescopic piece, and control shafts are arranged at both ends of the control rod; the top of each clamping jaw is fixedly provided with an obliquely arranged extension arm, and a sliding groove is formed in each extension arm, and the extension arm is slidably connected with the control shaft through the sliding groove.
[0014] As a further scheme of the present application, the swing lever is fixedly provided with a sliding rail, and the sliding rail is slidably connected with a connecting seat.
[0015] A short circuit detection method of a pin winding machine, and the specific steps are as follows: Step one: the swing lever is rotated to rotate the clamping jaw to the two sides of the guide needle on the capacitor element; Step two: the control part drives the clamping jaw to close, so that the two guide needles on the same capacitor element are vertically overlapped; during the closing process of the clamping jaw, the trigger rod contacts the top plate and drives the limiting plate to retract into the sliding block; Step three: the driving part drives the sliding block to move, and the sliding block drives the top plate and the trigger rod to synchronously descend; when the trigger rod contacts the upper guide needle, the guide needle pushes the trigger rod to rotate, the top plate slides and drives the limiting plate to extend out of the sliding block, and the limiting plate extends between the two guide needles after extending out; Step four: the driving part continues to drive the sliding block to descend, and the limiting plate synchronously continues to descend; when the limiting plate contacts the lower guide needle, the limiting plate drives the lower guide needle to descend, i.e., to move away from the upper guide needle, thereby increasing the distance between the two guide needles; Step five: when the sliding block moves to the lower limit, the sliding block is transversely overlapped with the accommodation groove, the accommodation piece extends the electrode out of the clamping jaw and abuts against the guide needle through the positioning part under the action of the elastic piece, and the positioning of the guide needle is completed; Step six: a direct current pulse voltage is applied to the guide needle through the electrode, and then whether the capacitor core package is qualified is judged according to the size of the voltage change; and the qualified product and the unqualified product are sent to different positions by reversely rotating the swing lever by different angles.
[0016] Compared with the prior art, the present application has the following advantages: When the clamping jaw is closed and the top plate contacts the trigger lever, the top plate drives the limiting plate to retract into the slider and compress the elastic element, so as to limit the guide needle in the gap between the clamping jaws; the trigger lever rotates after contacting the upper guide needle during the descending process, and the top plate drives the limiting plate to extend out of the slider and be between the two guide needles under the action of the elastic element, so as to separate the two guide needles; the control part continues to drive the slider to descend, and the limiting plate drives the lower guide needle to descend away from the upper guide needle, so as to increase the distance between the free ends of the guide needles; the position deviation caused by the bending of the free end of the guide needle is avoided, the misjudgment caused by the accidental contact of a single guide needle with the positive and negative electrodes and the two guide needles of the same element is eliminated, the positioning difficulty of the detection device is greatly reduced, the detection accuracy is improved, the products that may be wasted can be effectively utilized, the utilization rate of raw materials is significantly improved, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application. Figure 2 It is a schematic diagram of the control part and its connection relationship structure of the present application. Figure 3 It is a schematic diagram of the internal structure of one side clamping jaw of the present application. Figure 4 It is a schematic diagram of the internal structure of one side clamping jaw of the present application. Figure 3 It is a schematic diagram of the internal structure of one side clamping jaw of the present application. Figure 5 It is a schematic diagram of the positioning part and its connection relationship structure of the present application. Figure 6 It is a schematic diagram of the internal structure of one side clamping jaw of the present application. Figure 7 It is a schematic diagram of the top plate and its connection relationship structure of the present application. Figure 8 It is a schematic diagram of the clamping jaw opening and closing process structure of the present application. Figure 9 It is a schematic diagram of the slider sliding process structure of the present application. Figure 10 It is a schematic diagram of the swing lever and its connection relationship structure of the present application. Figure 11 It is a schematic diagram of the method process of the present application. In the drawings, the components represented by each reference numeral are listed as follows: 1, mounting seat; 11, swing bar; 12, clamping jaw; 13, telescopic rod; 14, return spring; 21, sliding block; 22, top plate; 23, trigger lever; 24, limiting plate; 25, let go piece; 26, let go groove; 27, positioning part; 28, electrode; 3, control part; 31, telescopic piece; 32, control lever; 33, control shaft; 34, extension arm; 35, sliding groove; 4, angle adjusting bolt; 5, synchronous block; 6, pressure regulating plate; 7, pre-pressure adjusting bolt; 8, sliding rail; 9, connecting seat. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in 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.
[0020] Please refer to Figures 1-11 The present application provides a technical solution: a short circuit detection device for a nail winding machine, comprising a mounting seat 1, the mounting seat 1 being rotationally provided with a swing bar 11; A pair of clamping jaws 12 are symmetrically rotationally provided at the free end of the swing bar 11. A control part 3 is installed between the clamping jaws 12 and the swing bar 11, for driving the clamping jaws 12 to open and close. A pair of sliding blocks 21 are symmetrically provided and respectively slidably provided on different clamping jaws 12. A top plate 22 and a trigger lever 23 are provided, the top plate 22 being elastically slidably provided in one of the sliding blocks 21 by an elastic member, and the top plate 22 being fixedly provided with a limiting plate 24; the trigger lever 23 being rotationally provided in the other sliding block 21; the end of the trigger lever 23 being capable of abutting against the top plate 22 when the clamping jaws 12 are closed, the trigger lever 23 being rotated after contacting the contact pin, the top plate 22 driving the limiting plate 24 to pop out and limit the upward movement of the contact pin below; A let go piece 25 is elastically slidably provided in the clamping jaw 12 by an elastic member, the sidewall of the let go piece 25 abutting against the sliding block 21, and the sidewall being provided with a let go groove 26 at the bottom; A positioning part 27 is slidably provided on the let go piece 25 and is capable of synchronously ascending and descending with the sliding block 21, the electrode 28 for connecting a circuit being provided at the outer end of the positioning part 27; A driving part is used for driving the sliding blocks 21 to synchronously move; when the sliding blocks 21 move to the side of the let go groove 26, the let go piece 25 drives the positioning part 27 to displace; The device is installed on the pin winding machine through the mounting base 1, after the pin winding machine completes the winding of the capacitor element, the swing lever 11 is driven to rotate, the clamping jaw 12 is rotated to the two sides of the guide pin, the control part 3 drives the clamping jaw 12 to close, when the clamping jaw 12 contacts the guide pin, the guide pin moves with the clamping jaw 12, until the clamping jaw 12 is closed, the two guide pins are in the gap between the clamping jaw 12, that is, vertically overlap; at the same time, during the closing process of the clamping jaw 12, after the top plate 22 contacts the trigger lever 23, the top plate 22 drives the limiting plate 24 fixed on the side wall to retract into the sliding block 21, and when the top plate 22 moves into the sliding block 21, the elastic element installed on the top plate 22 is compressed; The driving part drives the sliding block 21 to move synchronously along the length direction of the clamping jaw 12, the sliding block 21 drives the top plate 22 and the trigger lever 23 to descend synchronously, when the trigger lever 23 contacts the upper guide pin, the guide pin applies a pushing force to the trigger lever 23, when the pushing force overcomes the pushing force applied by the top plate 22 to the trigger lever 23, the trigger lever 23 rotates, the top plate 22 loses the limiting of the trigger lever 23, the top plate 22 drives the limiting plate 24 to extend out of the sliding block 21 under the action of the elastic element, after the limiting plate 24 extends out, it is between the two guide pins; the driving part continues to drive the sliding block 21 to descend, the limiting plate 24 continues to descend synchronously, when the limiting plate 24 contacts the lower guide pin, the limiting plate 24 drives the lower guide pin to descend, that is, away from the upper guide pin, increases the distance between the two guide pins; Until the sliding block 21 moves to the lower limit, the sliding block 21 and the accommodation groove 26 are transversely overlapped, the limiting part 25 drives the electrode 28 to extend out of the clamping jaw 12 and abut against the guide pin under the action of the elastic element through the positioning part 27; After the electrode 28 abuts against the guide pin, the swing lever 11 reversely rotates, the sliding block 21 drives the capacitor element to separate from the pin winding machine through the extrusion of the guide pin by the electrode 28; in this process, the guide pin is applied with a direct current pulse voltage through the electrode 28, then whether the capacitor core package is qualified is judged through the size of the voltage change; and the qualified product and the unqualified product are sent to different positions by the swing lever 11 reversely rotating different angles; As described above, when the clamping jaw 12 is closed to make the top plate 22 contact the trigger lever 23, the top plate 22 drives the limiting plate 24 to retract into the sliding block 21 and compress the elastic element, so as to limit the guide pin in the gap between the clamping jaw 12; the trigger lever 23 rotates during the descending process after contacting the upper guide pin, the top plate 22 drives the limiting plate 24 to extend out of the sliding block 21 under the action of the elastic element and be between the two guide pins, so as to separate the two guide pins; the control part 3 continues to drive the sliding block 21 to descend, the limiting plate 24 drives the lower guide pin to descend away from the upper guide pin, so as to increase the distance between the free ends of the guide pins; the position deviation caused by the bending of the free end of the guide pin is avoided, the misjudgment caused by the accidental contact of a single guide pin connecting the positive and negative electrodes and the two guide pins of the same element is eliminated, the positioning difficulty of the detection device is greatly reduced, the detection accuracy is improved, the product that may be wasted originally can be effectively utilized, the utilization rate of raw materials is significantly improved, and the production cost is reduced.
[0021] As a further scheme of the present application, the slider 21 is threadedly connected with an angle adjusting bolt 4, and the top of the angle adjusting bolt 4 can abut against the trigger lever 23; The top position of the angle adjusting bolt 4 can be accurately adjusted by rotating the angle adjusting bolt 4, so as to limit the position of the trigger lever 23 in the initial state, and thus flexibly adjust the strength required for the needle pushing trigger lever 23 to rotate; specifically, when facing a thin and soft needle, the height of the top of the angle adjusting bolt 4 is adjusted to be high, so that the initial position of the trigger lever 23 is relatively easy to be pushed by the needle, thereby improving the sensitivity of the trigger lever 23 to trigger, and ensuring that the thin and soft needle can smoothly trigger the related action; when processing a thick and hard needle, the height of the top of the angle adjusting bolt 4 is adjusted to be low, so that the initial position of the trigger lever 23 is relatively difficult to be pushed, resulting in the accidental triggering of the trigger lever 23; As a further scheme of the present application, the driving part comprises a telescopic rod 13, which is installed on the same side of the clamping jaw 12 and the slider 21; The telescopic rod 13 drives the slider 21 to move along the clamping jaw 12 by extending and retracting the free end, so as to realize the close approach of the trigger lever 23 to the needle, make the trigger lever 23 rotate, and thus make the limiting plate 24 pop out and separate and block the needle, avoiding misjudging the contacted needle as unqualified.
[0022] As a further scheme of the present application, the slider 21 is fixedly provided with a synchronous block 5 at the adjacent end, and the upper surface and the lower surface between the synchronous blocks 5 can abut against each other; the driving part further comprises a reset spring 14, which is installed between the slider 21 and the clamping jaw 12; When the clamping jaw 12 is closed, the upper surface of one of the synchronous blocks 5 and the lower surface between the other synchronous block 5 abut against each other; when the telescopic rod 13 drives the slider 21 (the slider 21 located on the upper side of the synchronous block 5) to descend, the slider 21 drives the other side of the slider 21 to move synchronously with the synchronous block 5, so as to realize the synchronous descent of the top plate 22 and the trigger lever 23.
[0023] As a further scheme of the present application, the outer side end of the electrode 28 is inclinedly arranged, one of the electrodes 28 is located below the lower synchronous block 5, and the other electrode 28 is located below the limiting plate 24; The inclined arrangement of the outer side end of the electrode 28 can exert an upward pushing force on the needle, so that the needle abuts against the synchronous block 5 or the limiting plate 24, and increases the clamping strength of the needle; The slider 21 is slidably provided with a pressure regulating plate 6, the pressure regulating plate 6 is rotationally provided with a pre-pressure adjusting bolt 7, and the pre-pressure adjusting bolt 7 is threadedly connected with the slider 21; the position of the pressure regulating plate 6 can be adjusted by the pre-pressure adjusting bolt 7, and the change of the position of the pressure regulating plate 6 will directly act on the elastic member installed on the top plate 22, and thus flexibly adjust the pre-tightening force of the elastic member; Due to the change of the elastic member pre-tightening force, the size of the force required for the trigger lever 23 to rotate when the clamping jaw 12 is in the closed state is correspondingly affected; when it is necessary to improve the trigger sensitivity of the trigger lever 23, the pressure plate 6 is away from the top plate 22, the elastic member pre-tightening force is reduced, the pushing force on the top plate 22 is reduced, and the needle pushes the trigger lever 23 to rotate more easily, and the trigger lever 23 can more sensitively respond to the action of the needle; on the contrary, if the trigger sensitivity of the trigger lever 23 is to be reduced to avoid accidental triggering, the elastic member pre-tightening force is increased, the pushing force on the top plate 22 is increased, and the trigger lever 23 needs a greater external force to push to rotate; in this way, the trigger difficulty of the trigger lever 23 is precisely controlled, that is, the sensitivity thereof is flexibly adjusted.
[0024] As a further scheme of the present application, the control part 3 comprises a telescopic member 31 mounted on the swing lever 11, the free end of the telescopic member 31 is fixedly provided with a control rod 32, and control shafts 33 are arranged at both ends of the control rod 32; the top of each clamping jaw 12 is fixedly provided with an inclined extension arm 34, and a sliding groove 35 is formed in the extension arm 34, and the extension arm 34 is in sliding fit with the control shaft 33 through the sliding groove 35. The free end of the telescopic member 31 drives the control rod 32 to descend, the control rod 32 drives the control shafts 33 to move synchronously, the control shafts 33 drive the extension arms 34 to rotate through the sliding grooves 35, and the bottom of each extension arm 34 is close to each other, thereby driving the clamping jaws 12 to close, and vice versa, thereby driving the clamping jaws 12 to open, and the opening and closing of the clamping jaws 12 are realized.
[0025] As a further scheme of the present application, the swing lever 11 is fixedly provided with a sliding rail 8, and the sliding rail 8 is in sliding fit with a connecting seat 9; the connecting seat 9 is linearly moved by the telescopic structure, and the connecting seat 9 slides along the sliding rail 8 through the sliding rail 8, thereby realizing the rotation of the swing lever 11.
[0026] A short circuit detection method of a nail winding machine, and the specific steps are as follows: Step one: the swing lever 11 rotates, and the clamping jaw 12 is rotated to the two sides of the needle on the capacitor element; Step two: the control part 3 drives the clamping jaw 12 to close, so that the two needles on the same capacitor element are vertically overlapped; during the closing process of the clamping jaw 12, the trigger lever 23 contacts the top plate 22 and drives the limiting plate 24 to retract into the sliding block 21; Step three: the driving part drives the sliding block 21 to move, and the sliding block 21 drives the top plate 22 and the trigger lever 23 to descend synchronously; when the trigger lever 23 contacts the upper needle, the needle pushes the trigger lever 23 to rotate, the top plate 22 slides and drives the limiting plate 24 to extend out of the sliding block 21, and the limiting plate 24 extends between the two needles after extending out; Step four: the driving part continues to drive the sliding block 21 to descend, and the limiting plate 24 continues to descend synchronously, and when the limiting plate 24 contacts the lower needle, the limiting plate 24 drives the lower needle to descend, that is, to move away from the upper needle, thereby increasing the distance between the two needles; Step five: when the slider 21 moves to the lower limit, the slider 21 is transversely overlapped with the let-out slot 26, the let-out member 25 extends the electrode 28 out of the clamping jaw 12 and abuts against the guide needle through the positioning portion 27 under the action of the elastic member, and the positioning of the guide needle is completed; Step six: the guide needle is applied with a direct current pulse voltage through the electrode 28, then whether the capacitor core package is qualified is judged by the size of the voltage change, and the qualified product and the unqualified product are sent to different positions through the reverse rotation of the swing lever 11 by different angles.
Claims
1. A short-circuit detection device for a nailing machine, comprising a mounting base (1), wherein a swing arm (11) is rotatably mounted on the mounting base (1), characterized in that: The grippers (12) are arranged in pairs and symmetrically rotated at the free end of the swing arm (11); The control unit (3) is installed between the gripper (12) and the rocker arm (11) for driving the gripper (12) to open and close; Slider (21) is set in pairs and is slidably set on different grippers (12); The top plate (22) and the trigger rod (23) are elastically slidably disposed in one of the sliders (21) by means of an elastic element, and the top plate (22) is fixedly provided with a limiting plate (24); the trigger rod (23) is rotatably disposed in the other slider (21); the end of the trigger rod (23) can abut against the top plate (22), and the trigger rod (23) rotates after contacting the guide pin, and the top plate (22) drives the limiting plate (24) to pop out and limit the rise of the guide pin below; The relief member (25) is elastically slidably disposed in the gripper (12) by means of an elastic member. The side wall of the relief member (25) abuts against the slider (21), and a relief groove (26) is provided at the bottom of the side wall. The positioning part (27) is slidably disposed on the relief member (25) and can rise and fall synchronously with the slider (21). The outer end of the positioning part (27) is provided with an electrode (28) for connecting the circuit. The driving part is used to drive the slider (21) to move synchronously; when the slider (21) moves to the side of the relief groove (26), the relief member (25) drives the positioning part (27) to move.
2. The short-circuit detection device for a nailing machine according to claim 1, characterized in that: The slider (21) is threadedly connected to an angle adjusting bolt (4), the top of which can abut against the trigger rod (23).
3. The short-circuit detection device for a nailing machine according to claim 1, characterized in that: The drive unit includes a telescopic rod (13), which is mounted on the gripper (12) and slider (21) on the same side.
4. A short-circuit detection device for a nailing machine according to claim 3, characterized in that: The slider (21) is fixed with a synchronization block (5) at each adjacent end, and the upper and lower surfaces of the synchronization blocks (5) can abut against each other; the drive unit also includes a reset spring (14), which is installed between the slider (21) and the gripper (12).
5. A short-circuit detection device for a nailing machine according to claim 4, characterized in that: The outer end of the electrode (28) is inclined, one of the electrodes (28) is located below the lower synchronization block (5), and the other electrode (28) is located below the limiting plate (24).
6. A short-circuit detection device for a nailing machine according to claim 1, characterized in that: A pressure regulating plate (6) is slidably arranged inside the slider (21), and a pre-pressure adjusting bolt (7) is rotatably arranged on the pressure regulating plate (6), and the pre-pressure adjusting bolt (7) is threadedly connected to the slider (21).
7. A short-circuit detection device for a nailing machine according to claim 1, characterized in that: The control unit (3) includes a telescopic component (31) mounted on the swing arm (11). A control rod (32) is fixedly mounted on the free end of the telescopic component (31). A control shaft (33) is provided at both ends of the control rod (32). An inclined extension arm (34) is fixedly mounted on the top of each gripper (12). A sliding groove (35) is provided on each extension arm (34). The extension arm (34) slides with the control shaft (33) through the sliding groove (35).
8. A short-circuit detection device for a nailing machine according to claim 1, characterized in that: The swing arm (11) is fixedly provided with a slide rail (8), and the slide rail (8) is slidably fitted with a connecting seat (9).
9. A short-circuit detection method for a nailing machine, applicable to the short-circuit detection device for a nailing machine as described in any one of claims 1-8, characterized in that: The specific steps are as follows: Step 1: Rotate the lever (11) to rotate the gripper (12) to both sides of the guide pin on the capacitor element; Step 2: The control unit (3) drives the gripper (12) to close, so that the two guide pins on the same capacitor element overlap vertically; during the closing process of the gripper (12), the trigger rod (23) contacts the top plate (22) and drives the limiting plate (24) to retract into the slider (21); Step 3: The drive unit drives the slider (21) to move, and the slider (21) drives the top plate (22) and the trigger rod (23) to descend synchronously; when the trigger rod (23) contacts the guide pin above, the guide pin pushes the trigger rod (23) to rotate, the top plate (22) slides and drives the limiting plate (24) to extend out of the slider (21), and the limiting plate (24) is positioned between the two guide pins after it extends out; Step 4: The drive unit continues to drive the slider (21) to descend, and the limit plate (24) continues to descend synchronously. When the limit plate (24) contacts the lower guide pin, the limit plate (24) drives the lower guide pin to descend, that is, to move away from the upper guide pin, increasing the distance between the two guide pins. Step 5: When the slider (21) moves to the lower limit, the slider (21) and the relief groove (26) overlap laterally. Under the action of the elastic member, the relief member (25) pushes the electrode (28) out of the gripper (12) through the positioning part (27) and abuts against the guide needle to complete the positioning of the guide needle. Step 6: Apply a DC pulse voltage to the guide needle through the electrode (28), and then determine whether the capacitor core is qualified by the magnitude of the voltage change; and send qualified and unqualified products to different positions by rotating the swing rod (11) in the opposite direction at different angles.