A device and method for detecting connection performance of capacitor pins

Abstract

The invention discloses a device for detecting the connection performance of a capacitor needle. The device comprises a CP wire reel frame, a straightening device, a feeding welding structure, a shearing mechanism, a flipping mechanism, a second pushing mechanism, a clamping and conveying mechanism and a material returning mechanism. The straightening device conveys the straightened CP wire to the feeding welding structure. The feeding welding structure is used to weld the connection between an aluminum stem and the CP wire. The shearing mechanism is used to cut the CP wire welded with the aluminum stem to form a capacitor needle blank. The flipping mechanism is used to convey the cut capacitor needle blank to the clamping and conveying mechanism. The clamping and conveying mechanism is used to clamp the capacitor needle blank conveyed by the flipping mechanism. The second pushing mechanism is used to weld a second welding point on the capacitor needle blank on the clamping and conveying mechanism. The material returning mechanism is used to return the capacitor needle welded on the clamping and conveying mechanism. Compared with the prior art, the invention does not need to perform a flattening step, thereby improving the production efficiency of the capacitor needle.

Description

Technical Field

[0001] The present invention relates to the technical field of needle guide machines, and in particular to a device and method for detecting the connection performance of a capacitive needle. Background Art

[0002] The guide pin is the core component of the capacitor, which is composed of tinned copper clad steel wire (CP wire) and aluminum stem. During production, the CP wire and the aluminum stem need to be welded together. The first welding point is the connection position between the CP wire and the aluminum stem, and the second welding point is the end of the CP wire. In the prior art, the aluminum stem is sent out by rolled aluminum wire, welded with the CP wire, cut, welded, flattened and then tested. The process is complicated and the production efficiency needs to be improved. To this end, we propose a device and method for detecting the connection performance of capacitor pins. Summary of the invention

[0003] An object of the present invention is to provide a device and method for detecting the connection performance of a capacitor pin, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0004] To achieve the above object, the present invention provides the following technical solution: a device for detecting the connection performance of a capacitive needle, comprising:

[0005] A CP wire reel rack, wherein the CP wire reel rack is used to place the CP wire;

[0006] A straightening device, the straightening device is used to straighten the CP line;

[0007] A workbench, wherein a feeding welding structure, a shearing mechanism, a turning mechanism, a second pushing mechanism, a clamping and conveying mechanism, and a material returning mechanism are respectively arranged on the workbench;

[0008] The straightening device conveys the straightened CP wire to the feeding welding structure, and the feeding welding structure is used to weld the connection between the aluminum stem and the CP wire;

[0009] The shearing mechanism is used to cut the CP wire welded with the aluminum stem to form a capacitor needle blank;

[0010] A turning mechanism, which is used to deliver the cut capacitor needle blank to the clamping and conveying mechanism;

[0011] The clamping and conveying mechanism is used to clamp the capacitor needle blank conveyed by the flipping mechanism;

[0012] The second pushing mechanism is used to weld the second welding point of the capacitor needle blank on the clamping and conveying mechanism;

[0013] The material-returning mechanism is used to return the capacitor pins welded on the clamping and conveying mechanism.

[0014] In a device for detecting the connection performance of a capacitor needle according to the present invention, optionally, the feeding welding structure includes a fixed seat, a first slide seat, an aluminum stem vibration plate, a chuck mechanism, a first welding head, a first driving spindle and a second driving spindle;

[0015] The workbench comprises a lower mounting plate and an upper mounting plate, the upper mounting plate is fixedly mounted on the lower mounting plate, the fixing seat and the aluminum stem vibration plate are both fixedly mounted on the upper mounting plate, the fixing seat is slidably connected to a first slide seat, the first slide seat is respectively fixedly mounted with a first slide rail and a second slide rail, the first slide rail is slidably connected to a second slide seat, the second slide seat is fixedly connected to a push rod, one end of the first slide rail is provided with a material guide channel, one end of the first slide rail is fixedly connected to a second feeding track connected to the material guide channel, the second feeding track can be connected to the first feeding track on the aluminum stem vibration plate, and the push rod can feed the aluminum stems in the material guide channel into a chuck mechanism for fixing;

[0016] A third slide seat is slidably arranged on the second slide rail, and a CP line feeding assembly for conveying the CP line is arranged on the third slide seat, and the CP line feeding assembly includes a first hinge seat, a first pressure rod is hinged on the first hinge seat, and the first pressure rod can press the CP line onto the third slide seat, a first spring is arranged at one end of the first pressure rod away from the CP line, the upper end of the first spring is against the bottom of the first pressure rod, and the bottom of the first spring is pressed on the third slide seat, a first mounting seat is fixedly installed on the first slide seat, a first rotating shaft is rotatably installed on the first mounting seat, one end of the first rotating shaft is fixedly connected to a pressure block, and the other end of the first rotating shaft is fixedly connected to a second pressure rod, and the pressure block can press downward the end of the first pressure rod away from the CP line, so that the first pressure rod releases the squeezing of the CP line, and the end of the second pressure rod close to the third slide seat can press downward to fix the CP line at one end of the second slide rail;

[0017] The first driving shaft is rotatably mounted on the upper mounting plate, the first driving shaft is fixedly connected to the first driving shaft, the upper mounting plate is fixedly connected to a fixed shaft, the fixed shaft is rotatably connected to a first swing arm and a second swing arm, an end of the first swing arm away from the fixed shaft is hinged to the third sliding seat through a first push-pull rod, an end of the second swing arm away from the fixed shaft is hinged to the second sliding seat through a second push-pull rod, the first swing arm contacts the first cam, and the second swing arm contacts the second cam. A first vertical rod is fixedly connected to the upper mounting plate, the first vertical rod is connected to an end of the first push-pull rod away from the fixed shaft through a first tension spring, and a vertical block is fixedly connected to the upper mounting plate, and the vertical block is connected to an end of the second swing arm away from the fixed shaft through a reset tension spring;

[0018] The second driving spindle is rotatably mounted on the upper mounting plate, the second driving spindle is fixedly connected to a fifth cam, one end of the first slide seat is fixedly connected to a first protrusion, the first protrusion contacts the fifth cam, a fourth fixing block is fixedly connected to the upper mounting plate, and a sixth swing arm is rotatably mounted on the fourth fixing block, one end of the sixth swing arm away from the fourth fixing block abuts against a side of the first protrusion away from the fifth cam, the sixth swing arm is connected to the upper mounting plate by a fourth tension spring, the protrusion of the fifth cam can push the first slide seat in a direction close to the material guiding channel, and when the protrusion of the fifth cam is no longer in contact with the first protrusion, the sixth swing arm pulls the first slide seat in a direction close to the shearing mechanism under the tension of the fourth tension spring;

[0019] A seventh cam is fixedly connected to the second driving main shaft, a protrusion is arranged on the top of the seventh cam, and an end of the first driving main shaft away from the third sliding seat is pressed on the seventh cam;

[0020] The upper mounting plate is provided with a first pushing mechanism, the first pushing mechanism comprises a second fixing block, the second fixing block is fixed to the upper mounting plate, an elastic plate is fixedly connected to the second fixing block, and the elastic plate is provided at a side close to the material guiding channel;

[0021] The chuck mechanism is used to feed the aluminum stems in the second feeding track into the chuck seat through the material guide channel through the pushing rod for clamping, and the chuck mechanism is arranged on a side close to the material guide channel, and the chuck mechanism comprises a chuck, a chuck seat and a third push-pull rod, the chuck seat is fixed to an end of the elastic plate away from the second fixed block, the chuck is hinged to an end of the elastic plate away from the second fixed block, the lower end of the chuck is hinged to an end of the third push-pull rod, the first welding head is fixed to an end of the elastic plate away from the second fixed block, and the chuck can be opened and closed by pushing and pulling the third push-pull rod, and a first driving member for driving the third push-pull rod to perform a push-pull action is arranged on the upper mounting plate;

[0022] The first driving member includes a second hinge seat, the second hinge seat is fixedly connected to the bottom of the upper mounting plate, a moving rod is hinged on the second hinge seat, the upper end of the moving rod is sleeved on the end of the third push-pull rod away from the chuck, the third push-pull rod is fixedly connected with two first limit blocks, the upper end of the moving rod is arranged between the two first limit blocks, the bottom of the upper mounting plate is rotatably connected with a third swing arm, the lower end of the first driving spindle is fixedly connected with a third cam, the third cam is in contact with one end of the third swing arm, the other end of the third swing arm is hinged to the lower end of the moving rod through a fourth push-pull rod, and the end of the third swing arm away from the third cam is connected to the second hinge seat through a third tension spring.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention can realize rapid welding of aluminum stems and CP wires by means of the CP wire coil rack, the CP wire coil rack, the feeding welding structure, the shearing mechanism, the flipping mechanism, the second pushing mechanism, the clamping conveying mechanism and the material withdrawing mechanism. Compared with the prior art, the present invention does not require a flattening step, and the formed aluminum stems are directly conveyed through the aluminum stem vibration plate, thereby streamlining the structure and improving the production efficiency of the capacitor needle. At the same time, the connection performance of the capacitor needle can be continuously tested, effectively improving the production quality of the capacitor needle. Moreover, the overall equipment operation is driven by a single drive motor, effectively reducing the equipment cost and facilitating later inspection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0026] Figure 2 It is a structural schematic diagram of a working platform of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0027] Figure 3This is one of the partial structural schematic diagrams of a feeding welding mechanism of a device for detecting the connection performance of a capacitor pin according to the present invention;

[0028] Figure 4 The second partial structural schematic diagram of the feeding welding mechanism of the device for detecting the connection performance of the capacitor pin according to the present invention;

[0029] Figure 5 The third partial structural schematic diagram of the feeding welding mechanism of the device for detecting the connection performance of the capacitor pin of the present invention;

[0030] Figure 6 This is a fourth partial structural schematic diagram of a feeding welding mechanism of a device for detecting the connection performance of a capacitor pin according to the present invention;

[0031] Figure 7 It is a partial structural schematic diagram of a clamping mechanism of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0032] Figure 8 This is a fifth partial structural schematic diagram of a feeding welding mechanism of a device for detecting the connection performance of a capacitor pin according to the present invention;

[0033] Fig. 9 This is a sixth partial structural schematic diagram of a feeding welding mechanism of a device for detecting the connection performance of a capacitor pin according to the present invention;

[0034] Fig.10 It is a structural schematic diagram of a shear mechanism of a device for detecting connection performance of a capacitance needle according to the present invention;

[0035] Fig.11 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0036] Fig.12 for Figure 1 A schematic diagram of the enlarged structure of part B in FIG.

[0037] Fig.13 for Fig.10 Schematic diagram of the enlarged structure of part C;

[0038] Fig.14 This is one of the structural schematic diagrams of a clamping and conveying mechanism of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0039] Fig.15 for Fig.14 Schematic diagram of the enlarged structure of the D part;

[0040] Fig.16 It is a structural schematic diagram of a flip mechanism of a device for detecting the connection performance of a capacitor pin according to the present invention;

[0041] Fig.17This is a second structural schematic diagram of a clamping and conveying mechanism of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0042] Fig.18 This is one of the structural schematic diagrams of the second pushing mechanism of the device for detecting the connection performance of a capacitive needle according to the present invention;

[0043] Fig.19 This is a second structural schematic diagram of a second pushing mechanism of a device for detecting connection performance of a capacitive needle according to the present invention;

[0044] Fig. 20 This is a third structural schematic diagram of a second pushing mechanism of a device for detecting connection performance of a capacitive needle according to the present invention;

[0045] Fig.21 It is a structural schematic diagram of a clamping assembly of a device for detecting connection performance of a capacitance needle according to the present invention;

[0046] Fig. 22 A schematic diagram of the structure of a transmission box of a device for detecting the connection performance of a capacitance needle according to the present invention;

[0047] Fig.23 The figure is a partial structural schematic diagram of a device for detecting the connection performance of a capacitor pin according to the present invention.

[0048] In the figure: 1. CP wire reel rack; 2. Straightening device; 3. Workbench; 301. Lower mounting plate; 302. Upper mounting plate;

[0049] 4. Feeding welding structure; 401. Fixed seat; 402. First slide seat; 4021. First protrusion; 403. Aluminum stem vibration plate; 40301. Stand; 4031. First slide rail; 4032. Second slide seat; 4033. Push rod; 4034. Material guide channel; 4035. Second feeding track; 4036. First fixed block; 4037. Baffle plate;

[0050] 404, second slide rail; 4041, third slide seat; 4042, first hinge seat; 4043, first pressure rod; 4044, first mounting seat; 4045, second pressure rod; 4046, first rotating shaft; 4047, pressure block;

[0051] 405, first driving spindle; 4051, first cam; 4052, second cam; 4053, third cam; 4054, fourth cam; 4055, first gear; 4056, first synchronous belt;

[0052] 406, fixed axis; 4061, first swing arm; 40611, first push-pull rod; 40612, first vertical rod; 40613, first tension spring; 4062, second swing arm; 40621, second push-pull rod;

[0053] 407, second driving spindle; 4071, fifth cam; 4072, sixth cam; 4073, seventh cam; 4074, eighth cam; 4075, ninth cam; 4076, second gear; 4077, third gear;

[0054] 408, chuck; 4081, chuck seat; 4082, third push-pull rod; 4083, first limit block; 4084, moving rod; 4085, second hinge seat; 4086, fourth push-pull rod; 4087, third swing arm; 4088, third tension spring;

[0055] 409, second fixed block; 4091, elastic plate; 4092, fourth swing arm; 4093, first push rod;

[0056] 410, transfer seat; 4101, third fixed block; 4102, first guide rod; 4103, second limit block; 4104, first return spring; 4105, fifth swing arm; 4106, swing sleeve;

[0057] 411, fourth fixing block; 4111, sixth swing arm; 4112, fourth tension spring;

[0058] 5. Shearing mechanism; 501. Fifth fixed block; 502. Seventh swing arm; 503. Third slide rail; 504. Third slide block; 505. Shear arm; 5051. Pin; 5052. First cutter; 506. Eighth swing arm; 507. Pressing block; 508. Second cutter; 509. Sixth fixed block; 510. Second return spring;

[0059] 6. Flipping mechanism; 601. Outer shell; 602. Inner shell; 603. Second transmission shaft; 604. Fourth gear; 605. Conical head; 606. Connecting arm; 607. Clamping block; 6071. Opening spring; 608. Ninth swing arm; 609. Fifth tension spring; 610. Fifth push-pull rod; 611. Gear transmission box; 612. Second synchronous belt; 613. Third synchronous belt; 614. Tenth swing arm;

[0060] 7. Second pushing mechanism; 701. Second welding head; 702. First housing; 7021. Third rotating shaft; 70211. Tenth cam; 70212. Eleventh cam; 70213. Fifth gear; 70214. Eighth synchronous belt; 703. Second housing; 7031. Second vertical rod; 7032. Second pushing rod; 7033. Third stop block; 7034. Second guide rod; 7035. Third return spring; 7036. Second protrusion;

[0061] 8. Clamping and conveying mechanism; 801. Turntable; 8011. Fourth rotating shaft; 8012. Grooved wheel; 802. Clamping assembly; 8021. Fixed rod; 8022. First clamping block; 8023. Second fixed rod; 8024. Third articulated seat; 8025. Second clamping block; 8026. Clamping head; 8027. First toggle block; 8028. Second toggle block; 8029. Fourth return spring; 803. Transmission box; 8031. Fifth rotating shaft; 80311. Sixth gear; 80312. Seventh gear; 80313. Eighth gear; 80314. Ninth gear; 80315. Fourth synchronous belt; 804. Sixth rotating shaft; 8041. Tenth gear; 8042. Eleventh gear; 805. Seventh rotating shaft; 8051. Twelfth gear; 8052. Active dial equipped with cylindrical pin;

[0062] 9. Material-removing mechanism; 901. Frame; 902. Third driving spindle; 9021. Thirteenth gear; 9022. Fourteenth gear; 9023. Fifth synchronous belt; 9024. Fifteenth gear; 9025. Eighth rotating shaft; 9026. Twelfth cam; 9027. Pressure plate; 9028. Insertion rod; 90281. Material-removing rod; 90282. Toggle rod; 90283. Third vertical rod; 90284. Detection spring; 90285. Seventh fixing block; 90286. Pressing claw; 9029. Fifth return spring;

[0063] 10. First welding head;

[0064] 11. second mounting seat; 1101. fourth driving main shaft; 11011. sixteenth gear; 11012. thirteenth cam; 11013. seventeenth gear;

[0065] 12. The third mounting seat; 1201. The fifth driving spindle; 12011. The eighteenth gear; 12012. The nineteenth gear; 12013. The sixth synchronous belt; 12014. The twentieth gear; 12015. The seventh synchronous belt. DETAILED DESCRIPTION

[0066] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0067] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0068] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0069] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0070] Example 1

[0071] See also Figures 1 to 23 , the present invention provides a technical solution:

[0072] A device for detecting the connection performance of a capacitor pin, comprising:

[0073] CP wire reel rack 1, CP wire reel rack 1 is used to place CP wire;

[0074] A straightening device 2, the straightening device 2 is used to straighten the CP line. In this embodiment, the straightening device 2 is a straightening machine;

[0075] A workbench 3, on which a feeding welding structure 4, a shearing mechanism 5, a turning mechanism 6, a second pushing mechanism 7, a clamping and conveying mechanism 8 and a material returning mechanism 9 are respectively arranged;

[0076] The straightening device 2 conveys the straightened CP wire to the feeding welding structure 4, and the feeding welding structure 4 is used to weld the connection between the aluminum stem and the CP wire;

[0077] The shearing mechanism 5 is used to cut the CP wire welded with the aluminum stem to form a capacitor needle blank;

[0078] The turning mechanism 6 is used to deliver the cut capacitor needle blank to the clamping and conveying mechanism 8;

[0079] The clamping and conveying mechanism 8 is used to clamp the capacitor needle blank conveyed by the turning mechanism 6;

[0080] The second pushing mechanism 7 is used to weld the second welding point of the capacitor needle blank on the clamping and conveying mechanism 8;

[0081] The material-removing mechanism 9 is used to remove the capacitor pins welded on the clamping and conveying mechanism 8 .

[0082] In this embodiment, the feeding welding structure 4 includes a fixed seat 401, a first slide seat 402, an aluminum stem vibration plate 403, a chuck mechanism, a first welding head 10, a first driving spindle 405 and a second driving spindle 407;

[0083] The workbench 3 includes a lower mounting plate 301 and an upper mounting plate 302, the upper mounting plate 302 is fixedly mounted on the lower mounting plate 301, a fixed seat 401 and an aluminum stem vibration disk 403 are both fixedly mounted on the upper mounting plate 302, a first slide seat 402 is slidably connected to the fixed seat 401, a first slide rail 4031 and a second slide rail 404 are respectively fixedly mounted on the first slide seat 402, a second slide seat 4032 is slidably connected to the first slide rail 4031, a push rod 4033 is fixedly connected to the second slide seat 4032, a material guide channel 4034 is provided at one end of the first slide rail 4031, a second feeding track 4035 connected to the material guide channel 4034 is fixedly connected to one end of the first slide rail 4031, the second feeding track 4035 can be connected to the first feeding track on the aluminum stem vibration disk 403, and the push rod 4033 can feed the aluminum stems in the material guide channel 4034 into the chuck The upper end of the stand 40301 is connected to the first feeding track, and the upper end of the stand 40301 is fixedly connected to the first fixing block 4036. A limiting groove is provided in the first fixing block 4036. A third spring is provided in the limiting groove. A baffle plate 4037 is provided on the upper end of the third spring. When the second feeding track 4035 contacts the first feeding track, the baffle plate 4037 is squeezed downward by the inclined surface of the second feeding track 4035, so that the first feeding track is connected to the second feeding track 4035. When the second feeding track 4035 is separated from the first feeding track, the baffle plate 4037 moves upward under the elastic force of the third spring to block the discharge port of the first feeding track.

[0084] A third slide seat 4041 is slidably arranged on the second slide rail 404, and a CP wire feeding assembly for conveying the CP wire is arranged on the third slide seat 4041, and the CP wire feeding assembly includes a first hinge seat 4042, and a first pressing rod 4043 is hinged on the first hinge seat 4042, and the first pressing rod 4043 can press the CP wire on the third slide seat 4041, and a first spring is arranged at one end of the first pressing rod 4043 away from the CP wire, and the upper end of the first spring is against the bottom of the first pressing rod 4043, and the bottom of the first spring is pressed on On the third slide 4041, a first mounting seat 4044 is fixedly mounted on the first slide 402, a first rotating shaft 4046 is rotatably mounted on the first mounting seat 4044, one end of the first rotating shaft 4046 is fixedly connected to a pressing block 4047, and the other end of the first rotating shaft 4046 is fixedly connected to a second pressing rod 4045, and the pressing block 4047 can press down the end of the first pressing rod 4043 away from the CP line, so that the first pressing rod 4043 releases the squeezing of the CP line, and the second pressing rod 4045 approaches the third slide One end of the seat 4041 can be pressed downward to fix the CP line on one end of the second slide rail 404. When the protrusion of the first cam 4051 contacts the first swing arm 4061, the second slide rail 404 is pulled to move away from the shearing mechanism 5. At this time, one end of the second pressure rod 4045 contacts the protrusion of the seventh cam 4073, so that the second pressure rod 4045 presses the CP line on the second slide rail 404. At the same time, the first pressure rod 4043 releases the squeeze on the CP line, waiting for the first slide seat 402 to move to the clamping position. The seat 4081 is welded with the aluminum stem on the clamp seat 4081. Through the above scheme, when the first pressure rod 4043 is extruded with the CP line, the second pressure rod 4045 releases the extrusion of the CP line, and the third slide seat 4041 drives the CP line to move in the direction close to the shearing mechanism 5 to realize the CP line feeding. When the second pressure rod 4045 presses the CP line on the second slide rail 404, the first pressure rod 4043 releases the extrusion of the CP line, and the third slide seat 4041 moves away from the shearing mechanism 5.

[0085] The first driving main shaft 405 is rotatably mounted on the upper mounting plate 302, and the first driving main shaft 405 is fixedly connected with a first cam 4051 and a second cam 4052, and the upper mounting plate 302 is fixedly connected with a fixed shaft 406, and the fixed shaft 406 is rotatably connected with a first swing arm 4061 and a second swing arm 4062, and the first swing arm 4061 is hinged to the third slide 4041 at one end away from the fixed shaft 406 through a first push-pull rod 40611, and the second swing arm 4062 is hinged to the second slide 4032 at one end away from the fixed shaft 406 through a second push-pull rod 40621, and the first swing arm 4061 is hinged to the first cam 40 51 is in contact, the second swing arm 4062 is in contact with the second cam 4052, the upper mounting plate 302 is fixedly connected with a first vertical rod 40612, the first vertical rod 40612 is connected to the end of the first push-pull rod 40611 away from the fixed shaft 406 through a first tension spring 40613, the upper mounting plate 302 is fixedly connected with a vertical block, the vertical block is connected to the end of the second swing arm 4062 away from the fixed shaft 406 through a reset tension spring, through this arrangement, the second slide seat 4032 can be driven to reciprocate along the first slide rail 4031, so that the aluminum stems can be continuously fed into the clamp seat 4081 through the push rod 4033.

[0086] The second driving main shaft 407 is rotatably mounted on the upper mounting plate 302, a fifth cam 4071 is fixedly connected to the second driving main shaft 407, a first protrusion 4021 is fixedly connected to one end of the first slide 402, the first protrusion 4021 contacts the fifth cam 4071, a fourth fixing block 411 is fixedly connected to the upper mounting plate 302, a sixth swing arm 4111 is rotatably mounted on the fourth fixing block 411, and one end of the sixth swing arm 4111 away from the fourth fixing block 411 abuts against the first fixing block 411. A protrusion 4021 is located away from the side of the fifth cam 4071. The sixth swing arm 4111 is connected to the upper mounting plate 302 via a fourth tension spring 4112. The protrusion of the fifth cam 4071 can push the first slide 402 toward the direction close to the material guide channel 4034. When the protrusion of the fifth cam 4071 is no longer in contact with the first protrusion 4021, the sixth swing arm 4111 pulls the first slide 402 toward the direction close to the shearing mechanism 5 under the tension of the fourth tension spring 4112.

[0087] A seventh cam 4073 is fixedly connected to the second driving main shaft 407. A protrusion is provided on the top of the seventh cam 4073. One end of the first driving main shaft 405 away from the third sliding seat 4041 is pressed on the seventh cam 4073.

[0088] The upper mounting plate 302 is provided with a first pushing mechanism, which includes a second fixing block 409, which is fixed on the upper mounting plate 302, and an elastic plate 4091 is fixedly connected to the second fixing block 409, and the elastic plate 4091 is provided on a side close to the material guide channel 4034;

[0089] The chuck mechanism is used to feed the aluminum stems in the second feeding track 4035 into the clamp seat 4081 through the material guide channel 4034 through the pushing rod 4033 for clamping. The chuck mechanism is arranged on a side close to the material guide channel 4034. The chuck mechanism includes a chuck 408, a clamp seat 4081 and a third push-pull rod 4082. The clamp seat 4081 is fixed to an end of the elastic plate 4091 away from the second fixed block 409. The chuck 408 is hinged to an end of the elastic plate 4091 away from the second fixed block 409. The lower end of the chuck 408 is hinged to one end of the third push-pull rod 4082. The first welding head 10 is fixed to an end of the elastic plate 4091 away from the second fixed block 409. The opening and closing of the chuck 408 can be achieved by pushing and pulling the third push-pull rod 4082. The upper mounting plate 302 is provided with a first driving member for driving the third push-pull rod 4082 to perform a push-pull action.

[0090] The first driving member includes a second hinge seat 4085, which is fixedly connected to the bottom of the upper mounting plate 302, and a moving rod 4084 is hinged on the second hinge seat 4085. The upper end of the moving rod 4084 is sleeved on the end of the third push-pull rod 4082 away from the chuck 408, and two first limit blocks 4083 are fixedly connected to the third push-pull rod 4082. The upper end of the moving rod 4084 is set between the two first limit blocks 4083, and the bottom of the upper mounting plate 302 is rotatably connected to the third swing arm 4087, and the lower end of the first driving main shaft 405 is fixedly connected to the third cam 4053, and the third cam 4053 and the third swing arm 408 7, the other end of the third swing arm 4087 is hinged to the lower end of the moving rod 4084 through the fourth push-pull rod 4086, and the end of the third swing arm 4087 away from the third cam 4053 is connected to the second hinge seat 4085 through the third tension spring 4088. When the protrusion of the third cam 4053 contacts the third swing arm 4087, the end of the third swing arm 4087 close to the fourth push-pull rod 4086 moves away from the second hinge seat 4085, thereby causing the moving rod 4084 to pull the third push-pull rod 4082 to move away from the clamp seat 4081, thereby causing the clamp 408 to clamp the aluminum stem on the clamp seat 4081.

[0091] The upper mounting plate 302 is provided with a second driving member for driving the aluminum stem fixed on the clamp seat 4081 to contact the CP line on the second slide rail 404, the second driving member includes a fourth swing arm 4092 and a first push rod 4093, one end of the fourth swing arm 4092 is hinged on one side of the second hinge seat 4085, the lower end of the fourth swing arm 4092 is fixedly connected to an end of the first push rod 4093 close to the second hinge seat 4085, the upper end of the fourth swing arm 4092 is fixedly connected to an end of the elastic plate 4091 away from the second fixed block 409, the lower end of the first driving spindle 405 is fixedly connected to the fourth cam 4054, the top of the fourth cam 4054 is provided with a concave slideway, and the fourth swing arm 4092 is away from the second hinge seat 408 5 is pressed on the upper surface of the fourth cam 4054, when the end of the fourth swing arm 4092 away from the second hinge seat 4085 contacts the concave slideway on the fourth cam 4054, the first push rod 4093 releases the thrust on the elastic plate 4091, so that the clamp seat 4081 is reset in the direction away from the second slide rail 404, and when the end of the fourth swing arm 4092 away from the second hinge seat 4085 contacts the non-concave slideway on the fourth cam 4054, the first push rod 4093 applies a thrust to the elastic plate 4091, so that the clamp seat 4081 moves in the direction close to the second slide rail 404, thereby making the clamp seat 4081 holding the aluminum stem contact the CP line, and at this time, the aluminum stem and the CP line are welded by the first welding head 10.

[0092] In this embodiment, the shearing mechanism 5 is arranged on a side of the upper mounting plate 302 away from the first swing arm 4061, and the shearing mechanism 5 includes a third slide rail 503 and a sixth fixed block 509, both of which are fixed on the upper mounting plate 302, and a third slider 504 is slidably connected to the third slide rail 503, and a V-shaped gradient notch is arranged at one end of the third slider 504, and two shear arms 505 are rotatably connected to the sixth fixed block 509 through a pin shaft 5051, and the two shear arms 505 are scissor-fork-type, and the two shear arms 505 are away from one end of the third slide rail 503. The first cutting knife 5052 is fixedly connected to each of the two shear arms 505, one end of the two shear arms 505 close to the third slide rail 503 is respectively in contact with the inner top and inner bottom of the gradient notch on the third slider 504, a second spring is arranged between one end of the two shear arms 505 close to the third slider 504, a seventh swing arm 502 is rotatably connected to the upper mounting plate 302 through the fifth fixing block 501, a sixth cam 4072 is fixedly connected to the second driving spindle 407, the sixth cam 4072 is in contact with one end of the seventh swing arm 502, and the other end of the seventh swing arm 502 is in contact with one side of the third slider 504;

[0093] When the raised portion on the sixth cam 4072 contacts one end of the seventh swing arm 502, the other end of the seventh swing arm 502 can push the third slider 504 to move in the direction of the first cutter 5052, so that the end of the shear arm 505 close to the third slider 504 is squeezed toward the center of the gradient notch, so that the two first cutters 5052 move away from each other. When the raised portion of the sixth cam 4072 is not in contact with the seventh swing arm 502, the seventh swing arm 502 releases the squeezing of the third slider 504. At this time, under the elastic force of the second spring, the ends of the two shear arms 505 close to the third slider 504 move away from each other, thereby causing the two first cutters 5052 to move toward each other, and preliminarily clamp the CP wire welded with the aluminum stem.

[0094] The upper end of the sixth fixed block 509 is hinged with the eighth swing arm 506, the upper end of the second driving main shaft 407 is fixedly connected with the eighth cam 4074, the top of the eighth cam 4074 is provided with a protrusion, one end of the eighth swing arm 506 is in contact with the upper surface of the eighth cam 4074, a through hole is provided at the top of the end of the sixth fixed block 509 away from the third slide rail 503, a lower pressing block 507 is slidably provided in the through hole, the top of the lower pressing block 507 is fixedly connected to the end of the eighth swing arm 506 away from the third slide rail 503, the bottom of the lower pressing block 507 is fixedly connected with the second cutter 508, and the sixth A second return spring 510 is fixedly connected to the top of one end of the fixed block 509 away from the third slide rail 503, and the top of the second return spring 510 is against the bottom of the eighth swing arm 506. When one end of the eighth swing arm 506 contacts the raised portion of the eighth cam 4074, the other end of the eighth swing arm 506 drives the second cutter 508 to move downward through the pressing block 507 to cut the CP wire welded with the aluminum stem. When one end of the eighth swing arm 506 is no longer in contact with the raised portion of the eighth cam 4074, the second cutter 508 can be reset upward under the elastic force of the second return spring 510.

[0095] By adopting the above solution, the CP wire with the welded aluminum stem can be sheared, and the capacitor needle blank after shearing falls onto the transfer seat 410.

[0096] In this embodiment, a transfer mechanism is provided at the bottom of the upper mounting plate 302, and the moving mechanism is used to send the capacitor needle blank to the flip mechanism 6. The transfer mechanism includes a transfer seat 410 for placing the capacitor needle blank. The top of the transfer seat 410 is V-shaped, and the transfer seat 410 is arranged directly below the second cutter 508. The bottom of the upper mounting plate 302 is fixedly connected with a third fixed block 4101, and the first guide rod 4102 is slidably inserted on the third fixed block 4101. The transfer seat 410 is fixed to one end of the first guide rod 4102, and the other end of the first guide rod 4102 is fixedly connected to the second limit block 4103. The first guide rod 4102 is sleeved with a first return spring 4104, and one end of the first return spring 4104 is against one side of the second limit block 4103, and the other end of the first return spring 4104 is against one side of the third fixed block 4101. The fifth swing arm 4105 is rotatably connected to the bottom, and the ninth cam 4075 is fixedly connected to the bottom of the second driving main shaft 407, one end of the fifth swing arm 4105 is in contact with the ninth cam 4075, and a swing sleeve 4106 is fixedly connected to the first guide rod 4102, and the end of the fifth swing arm 4105 away from the ninth cam 4075 extends into the swing sleeve 4106, when one end of the fifth swing arm 4105 contacts the raised portion of the ninth cam 4075, the other end of the fifth swing arm 4105 can drive the swing sleeve 4106 to move in the direction away from the third fixed block 4101, and then drive the transfer seat 410 to move in the direction of the flipping mechanism 6 through the first guide rod 4102, when the raised portion of the ninth cam 4075 is not in contact with one end of the fifth swing arm 4105, at this time, under the elastic force of the first return spring 4104, the transfer seat 4100 is moved in the direction close to the second cutter 508.

[0097] In this embodiment, the clamping and conveying mechanism 8 includes a turntable 801, which is rotatably mounted on the turntable 801 through a fourth rotating shaft 8011, and a plurality of clamping assemblies 802 are fixedly mounted on the turntable 801, and all the clamping assemblies 802 are distributed on the turntable 801 in a circular equidistant array, and a second clamping block 8025 is hinged on the third hinge seat 8024, and a clamping head 8026 is fixedly connected to one end of the second clamping block 8025 close to the first clamping block 8022, and the capacitor needle blank is clamped in the first clamping block 8022. A fourth return spring 8029 is provided between the second clamping block 8025 and the second fixing rod 8023, a first toggle block 8027 is fixedly connected to one side of the second clamping block 8025, and a second toggle block 8028 is fixedly connected to the bottom of one end of the second clamping block 8025 away from the clamping head 8026, and the clamping head 8026 can be moved away from the first clamping block 8022 by squeezing the first toggle block 8027 or the second toggle block 8028 in the direction close to the second fixing rod 8023. The seventh rotating shaft 805 is rotatably connected to the interior of the transmission box 803. The lower end of the fourth rotating shaft 8011 is fixedly connected to the groove wheel 8012. The seventh rotating shaft 805 is fixedly connected to an active dial 8052 equipped with a cylindrical pin. The cylindrical pin on the active dial 8052 equipped with a cylindrical pin can extend into the radial groove on the groove wheel 8012, thereby driving the groove wheel 8012 to rotate intermittently. The fifth rotating shaft 8031 ​​is fixedly connected to the ninth gear 8012. 314, a twelfth gear 8051 is fixedly connected to the seventh rotating shaft 805, and the twelfth gear 8051 is meshed with the ninth gear 80314, wherein the clamping assembly 802 includes a fixed rod 8021, one end of the fixed rod 8021 is fixed to the turntable 801, one end of the fixed rod 8021 away from the turntable 801 is fixedly connected to the first clamping block 8022, the fixed rod 8021 is fixedly connected to the second fixed rod 8023, and the second fixed rod 8023 is fixedly connected to the third hinge seat 8024.

[0098] In this embodiment, the second pushing mechanism 7 includes a second welding head 701, a first shell 702 and a second shell 703. The second welding head 701 is used to weld the welding point of the CP line on the capacitor needle blank away from one end of the aluminum stem. The second welding head 701 is fixed to the lower mounting plate 301 through a column. The first shell 702 and the first shell 702 are both fixed on the lower mounting plate 301. The internal rotation of the first shell 702 is connected to the third rotating shaft 7021. The upper end of the third rotating shaft 7021 is fixedly installed with the tenth cam 70211 and the eleventh cam 70212 from top to bottom. The protrusion of the eleventh cam 70212 can contact the second toggle block 8028 on the clamping and conveying mechanism 8, so that the clamping mouth of the clamping and conveying mechanism 8 is opened to clamp the capacitor needle blank on the flip mechanism 6 on the clamping and conveying mechanism 8;

[0099] The lower end of the third rotating shaft 7021 is fixedly connected with a fifth gear 70213, the end of the fifth rotating shaft 8031 ​​away from the sixth gear 80311 is fixedly connected with an eighth gear 80313, the lower mounting plate 301 is rotatably connected with a sixth rotating shaft 804, the upper end of the sixth rotating shaft 804 is fixedly connected with a tenth gear 8041, the tenth gear 8041 is meshed with the eighth gear 80313, the bottom of the sixth rotating shaft 804 is fixedly connected with an eleventh gear 8042, the eleventh gear 8042 is transmission-connected with the fifth gear 70213 via an eighth synchronous belt 70214;

[0100] A second guide rod 7034 is slidably inserted into the interior of the second shell 703, one end of the second guide rod 7034 is fixedly connected to the third limit block 7033, the other end of the second guide rod 7034 is fixedly connected to the second vertical rod 7031, the top of the second vertical rod 7031 is fixedly connected to the second pushing rod 7032 for pushing one end of the CP line of the capacitor needle blank clamped on the clamping and conveying mechanism 8 to the second welding head 701, the second guide rod 7034 is sleeved with a third return spring 7035, one end of the third return spring 7035 abuts against one side of the third limit block 7033, the other end of the third return spring 7035 abuts against one side of the second shell 703, one side of the second vertical rod 7031 is fixedly connected to a second protrusion 7036, the second protrusion 7036 and the eleventh cam 70212 is in contact with each other. When the raised portion of the eleventh cam 70212 contacts the second raised portion 7036, the second raised portion 7036 is squeezed, and the second pushing rod 7032 is driven by the second raised portion 7036 to move in a direction away from the turntable 801, so that the clamping assembly 802 holding the capacitor needle blank can be smoothly rotated to the second pushing rod 7032. When the raised portion of the eleventh cam 70212 is not in contact with the second raised portion 7036, the second pushing rod 7032 is pushed in a direction close to the turntable 801 under the elastic force of the third reset spring 7035, so that one end of the CP line of the capacitor needle blank clamped on the clamping and conveying mechanism 8 is pushed to the second welding head 701, and the second welding point of the capacitor needle blank is welded by the second welding head 701.

[0101] In this embodiment, the material unloading mechanism 9 includes a frame 901, the lower end of the frame 901 is rotatably connected to the third driving spindle 902, one end of the third driving spindle 902 is fixedly connected to the thirteenth gear 9021, the other end of the third driving spindle 902 is fixedly connected to the fourteenth gear 9022, the upper end of the frame 901 is rotatably connected to the eighth rotating shaft 9025, one end of the eighth rotating shaft 9025 is fixedly connected to the fifteenth gear 9024, the fifteenth gear 9024 is transmission-connected to the fourteenth gear 9022 through the fifth synchronous belt 9023, in this embodiment, the fourth driving member includes a third mounting seat 12, the third mounting seat 12 is fixed to the bottom of the lower mounting plate 301, and the third mounting seat 12 is rotatably connected to the fifth driving spindle 120 1. The fifth driving main shaft 1201 is respectively fixedly connected with an eighteenth gear 12011, a nineteenth gear 12012 and a twentieth gear 12014, the nineteenth gear 12012 is transmission-connected to the thirteenth gear 9021 via a sixth synchronous belt 12013, the fourth driving main shaft 1101 is fixedly connected with a seventeenth gear 11013, the seventeenth gear 11013 is transmission-connected to the twentieth gear 12014 via a seventh synchronous belt 12015, the bottom of the second driving main shaft 407 is respectively fixedly connected with a second gear 4076 and a third gear 4077, the third gear 4077 is meshed with the eighteenth gear 12011, the bottom of the first driving main shaft 405 is fixedly connected with a first gear 4055, the second gear 407 The thirteenth gear 9021 is connected to the fourth driving member through the first synchronous belt 4056, the twelfth cam 9026 is fixedly connected to the third driving main shaft 902, the frame 901 is slidably plugged with a plug rod 9028, the upper end of the plug rod 9028 is fixedly connected to a pressure plate 9027, the pressure plate 9027 is in contact with the twelfth cam 9026, the bottom of the plug rod 9028 is fixedly connected to a material ejection rod 90281, the end of the plug rod 9028 away from the frame 901 is fixedly connected to a third vertical rod 90283, the upper end of the third vertical rod 90283 is fixedly connected to a toggle rod 90282, and the lower end of the toggle rod 90282 can be used to push the first toggle on the clamping assembly 802. The movable block 8027 is squeezed to open the clamping mouth of the clamping conveying mechanism 8, and the lower end of the third vertical rod 90283 is slidably sleeved with a seventh fixed block 90285, and the bottom of the third vertical rod 90283 is fixedly connected with a circular plate to prevent the seventh fixed block 90285 from falling off the third vertical rod 90283, and the third vertical rod 90283 is sleeved with a detection spring 90284, and the upper bottom of the toggle rod 90282 is fixedly installed with a pressure sensor, and the upper end of the detection spring 90284 is against the bottom of the pressure sensor, and the bottom of the detection spring 90284 is pressed on the top of the seventh fixed block 90285, and the bottom ends of the seventh fixed block 90285 are fixedly connected with pressure claws 90286, and the insertion rod 9028 is sleeved with a fifth reset spring 9029,The upper end of the fifth return spring 9029 abuts against the bottom of the pressure plate 9027, and the bottom of the fifth return spring 9029 presses on the frame 901;

[0102] When the raised portion of the twelfth cam 9026 contacts the pressure plate 9027, the insert rod 9028 is squeezed downward, so that the ejector rod 90281 drives the third vertical rod 90283 to move downward. At this time, the lower ends of the two pressure claws 90286 and the two ends of the capacitor needle respectively pressed on the clamping assembly 802, as the ejector rod 90281 continues to move downward, thereby driving the third vertical rod 90283 to move downward. At this time, the detection spring 90284 is continuously squeezed, and the pressure detected by the pressure sensor gradually increases. When the toggle rod 902 When the toggle rod 90282 moves downward and does not contact the first toggle block 8027, the pressure sensor detects that the pressure value suddenly decreases, then it is considered that the connection performance of the capacitor needle is stable. On the contrary, when the toggle rod 90282 moves downward and does not contact the first toggle block 8027, the pressure sensor detects that the pressure value suddenly decreases, then it is considered that the connection performance of the capacitor needle is unqualified. When the protrusion of the twelfth cam 9026 is not in contact with the pressure plate 9027, the toggle rod 90282 can move upward and reset under the elastic force of the fifth reset spring 9029.

[0103] A method for detecting the connection performance of a capacitor pin of the present invention uses the above-mentioned device for detecting the connection performance of a capacitor pin to perform detection, and specifically comprises the following steps:

[0104] S1, start the driving motor and the aluminum stem vibration plate 403, and weld the aluminum stem and the CP wire through the feeding welding structure 4;

[0105] S2. After welding, the CP wire welded with the aluminum stem is cut by the shearing mechanism 5 to form a capacitor needle blank;

[0106] S3, the capacitor needle blank is sent to the clamping assembly 802 of the clamping and conveying mechanism 8 through the turning mechanism 6 for fixing, and then the capacitor needle blank on the clamping assembly 802 is sent to the second welding head 701 for welding of the second welding point to form a capacitor needle;

[0107] S4. When the capacitor needle rotates to the bottom of the pressing claw 90286, the raised portion of the twelfth cam 9026 contacts the pressure plate 9027, and the insertion rod 9028 is squeezed downward, so that the material-removing rod 90281 drives the third vertical rod 90283 to move downward. At this time, the lower ends of the two pressing claws 90286 and the two ends of the capacitor needle respectively pressed on the clamping assembly 802, as the material-removing rod 90281 continuously moves downward, drive the third vertical rod 90283 to move downward, and the detection spring 90284 is continuously squeezed. The pressure detected by the pressure sensor gradually increases. When the toggle rod 90282 moves downward and does not contact the first toggle block 8027, the pressure sensor detects that the pressure value does not suddenly decrease, then it is considered that the connection performance of the capacitor needle is stable. On the contrary, when the toggle rod 90282 moves downward and does not contact the first toggle block 8027, the pressure sensor detects that the pressure value suddenly decreases, then it is considered that the capacitor needle is broken, and then it is determined that the connection performance of the capacitor needle is unqualified. At this time, the drive motor stops running and the maintenance personnel inspect the equipment.

[0108] It should be noted that the pressure sensor is electrically connected to the signal input terminal of the PLC controller, and the drive motor is controlled by the PLC controller. The models of the pressure sensor and the PLC controller in this embodiment are not limited, as long as they meet the requirements of this embodiment.

[0109] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A device for detecting the connection performance of a capacitor pin, characterized in that: include: A CP wire reel rack (1), wherein the CP wire reel rack (1) is used to place the CP wire; A straightening device (2), wherein the straightening device (2) is used to straighten the CP line; A workbench (3), wherein the workbench (3) is respectively provided with a feeding welding structure (4), a shearing mechanism (5), a turning mechanism (6), a second pushing mechanism (7), a clamping and conveying mechanism (8) and a material returning mechanism (9); The straightening device (2) conveys the straightened CP wire to the feeding welding structure (4), and the feeding welding structure (4) is used to weld the connection between the aluminum stem and the CP wire; The shearing mechanism (5) is used to cut the CP wire welded with the aluminum stem to form a capacitor needle blank; A turning mechanism (6), wherein the turning mechanism (6) is used to deliver the cut capacitor needle blank to the clamping and conveying mechanism (8); The clamping and conveying mechanism (8) is used to clamp the capacitor needle blank conveyed by the turning mechanism (6); The second pushing mechanism (7) is used to weld a second welding point on the capacitor needle blank on the clamping and conveying mechanism (8); The material-removing mechanism (9) is used to remove the capacitor pins welded on the clamping and conveying mechanism (8); The feeding welding structure (4) comprises a fixed seat (401), a first sliding seat (402), an aluminum stem vibration plate (403), a chuck mechanism, a first welding head (10), a first driving spindle (405) and a second driving spindle (407); The workbench (3) comprises a lower mounting plate (301) and an upper mounting plate (302), wherein the upper mounting plate (302) is fixedly mounted on the lower mounting plate (301), the fixed seat (401) and the aluminum stem vibration plate (403) are both fixedly mounted on the upper mounting plate (302), the fixed seat (401) is slidably connected to a first slide seat (402), the first slide seat (402) is respectively fixedly mounted with a first slide rail (4031) and a second slide rail (404), the first slide rail (4031) is slidably connected to the second slide seat (403 2), a push rod (4033) is fixedly connected to the second slide seat (4032), a material guide channel (4034) is provided at one end of the first slide rail (4031), a second feeding track (4035) connected to the material guide channel (4034) is fixedly connected to one end of the first slide rail (4031), the second feeding track (4035) can be connected to the first feeding track on the aluminum stem vibration plate (403), and the push rod (4033) can feed the aluminum stem in the material guide channel (4034) into the chuck mechanism for fixing; The first driving main shaft (405) is rotatably mounted on the upper mounting plate (302); the first driving main shaft (405) is fixedly connected with a first cam (4051) and a second cam (4052); the upper mounting plate (302) is fixedly connected with a fixed shaft (406); the fixed shaft (406) is rotatably connected with a first swing arm (4061) and a second swing arm (4062); one end of the first swing arm (4061) away from the fixed shaft (406) is hinged to the third sliding seat (4041) via a first push-pull rod (40611); and one end of the second swing arm (4062) away from the fixed shaft (406) is hinged to the third sliding seat (4041) via a second push-pull rod (40611). 21) is hinged with the second slide seat (4032), the first swing arm (4061) is in contact with the first cam (4051), the second swing arm (4062) is in contact with the second cam (4052), a first vertical rod (40612) is fixedly connected to the upper mounting plate (302), the first vertical rod (40612) is connected to the end of the first push-pull rod (40611) away from the fixed shaft (406) through a first tension spring (40613), a vertical block is fixedly connected to the upper mounting plate (302), and the vertical block is connected to the end of the second swing arm (4062) away from the fixed shaft (406) through a reset tension spring; The second driving main shaft (407) is rotatably mounted on the upper mounting plate (302); a fifth cam (4071) is fixedly connected to the second driving main shaft (407); a first protrusion (4021) is fixedly connected to one end of the first sliding seat (402); the first protrusion (4021) contacts the fifth cam (4071); a fourth fixing block (411) is fixedly connected to the upper mounting plate (302); a sixth swing arm (4111) is rotatably mounted on the fourth fixing block (411); an end of the sixth swing arm (4111) away from the fourth fixing block (411) abuts against the first fixing block (411). The protrusion (4021) is away from the side of the fifth cam (4071), and the sixth swing arm (4111) is connected to the upper mounting plate (302) through a fourth tension spring (4112). The protrusion of the fifth cam (4071) can push the first slide seat (402) towards the material guide channel (4034). When the protrusion of the fifth cam (4071) is no longer in contact with the first protrusion (4021), the sixth swing arm (4111) pulls the first slide seat (402) towards the direction close to the shearing mechanism (5) under the tension of the fourth tension spring (4112).

2. The device for detecting the connection performance of a capacitive needle according to claim 1, characterized in that: A third slide seat (4041) is slidably arranged on the second slide rail (404), and a CP line feeding assembly for conveying the CP line is arranged on the third slide seat (4041), and the CP line feeding assembly includes a first hinge seat (4042), and a first pressing rod (4043) is hinged on the first hinge seat (4042), and the first pressing rod (4043) can press the CP line onto the third slide seat (4041), and a first spring is arranged at one end of the first pressing rod (4043) away from the CP line, and the upper end of the first spring abuts against the bottom of the first pressing rod (4043), and the bottom of the first spring presses on the third slide seat (4041), and the first slide A first mounting seat (4044) is fixedly mounted on the seat (402); a first rotating shaft (4046) is rotatably mounted on the first mounting seat (4044); a pressure block (4047) is fixedly connected to one end of the first rotating shaft (4046); a second pressure rod (4045) is fixedly connected to the other end of the first rotating shaft (4046); the pressure block (4047) can press down the end of the first pressure rod (4043) away from the CP line, so that the first pressure rod (4043) releases the squeezing of the CP line; the end of the second pressure rod (4045) close to the third slide seat (4041) can press down to fix the CP line to one end of the second slide rail (404).

3. The device for detecting the connection performance of a capacitance needle according to claim 2, characterized in that: A seventh cam (4073) is fixedly connected to the second driving main shaft (407), a protrusion is arranged on the top of the seventh cam (4073), and one end of the first driving main shaft (405) away from the third slide seat (4041) is pressed on the seventh cam (4073).

4. The device for detecting the connection performance of a capacitive needle according to claim 3, characterized in that: A first pushing mechanism is provided on the upper mounting plate (302), and the first pushing mechanism comprises a second fixed block (409), and the second fixed block (409) is fixed on the upper mounting plate (302), and an elastic plate (4091) is fixedly connected to the second fixed block (409), and the elastic plate (4091) is provided on a side close to the material guiding channel (4034).

5. The device for detecting the connection performance of a capacitive needle according to claim 4, characterized in that: The chuck mechanism is used to feed the aluminum stems in the second feeding track (4035) into the clamp seat (4081) through the material guide channel (4034) through the push rod (4033) and then clamp them. The chuck mechanism is arranged on a side close to the material guide channel (4034). The chuck mechanism includes a chuck (408), a clamp seat (4081) and a third push-pull rod (4082). The clamp seat (4081) is fixed to one end of the elastic plate (4091) away from the second fixed block (409). The chuck (408 ) is hinged at one end of the elastic plate (4091) away from the second fixed block (409), the lower end of the chuck (408) is hinged to one end of the third push-pull rod (4082), the first welding head (10) is fixed to one end of the elastic plate (4091) away from the second fixed block (409), and the chuck (408) can be opened and closed by pushing and pulling the third push-pull rod (4082), and the upper mounting plate (302) is provided with a first driving member for driving the third push-pull rod (4082) to perform a push-pull action.

6. The device for detecting the connection performance of a capacitive needle according to claim 5, characterized in that: The first driving member includes a second hinged seat (4085), the second hinged seat (4085) is fixedly connected to the bottom of the upper mounting plate (302), a moving rod (4084) is hinged on the second hinged seat (4085), the upper end of the moving rod (4084) is sleeved on the end of the third push-pull rod (4082) away from the chuck (408), the third push-pull rod (4082) is fixedly connected to two first limit blocks (4083), the upper end of the moving rod (4084) is arranged between the two first limit blocks (4083), and the upper mounting plate (302) is provided with a plurality of movable rods (4084). The bottom of the mounting plate (302) is rotatably connected to a third swing arm (4087), and the lower end of the first driving main shaft (405) is fixedly connected to a third cam (4053), the third cam (4053) is in contact with one end of the third swing arm (4087), the other end of the third swing arm (4087) is hinged to the lower end of the moving rod (4084) through a fourth push-pull rod (4086), and the end of the third swing arm (4087) away from the third cam (4053) is connected to the second hinge seat (4085) through a third tension spring (4088).

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