Terminal plugging device of household appliance connecting wire harness

Abstract

The invention relates to the technical field of wire harness terminal processing, in particular to a terminal plugging device for a household appliance connecting wire harness, which comprises a base table, a sliding groove is formed in the middle of the top of the base table in a penetrating manner, sliding tables are slidably mounted at two ends of the inner side of the sliding groove, and baffles for limiting the sliding tables are fixedly connected to the middles of two ends of the base table through locking bolts. A wire harness supporting table is installed in the middle inside the sliding groove. The opposite ends of the tops of the two sliding tables are each provided with a wire harness end processing mechanism used for conducting preprocessing processing on the wire harness end of a terminal to be inserted. The opposite ends of the tops of the two sliding tables are each provided with a terminal supply mechanism used for automatically supplying plug wire terminals. A feeding driving mechanism used for driving the two sliding tables to synchronously feed the terminal to be plugged with the wire is arranged between the two sliding tables, the double ends of the target wire harness can be subjected to synchronous stripping and cutting of the outer skin of the wire harness, glue coating and fixing of multiple strands of wire cores, conductive glue curing and terminal plugging, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of wiring harness terminal processing, in particular to a terminal plugging device for connecting a wiring harness of household appliances. Background Art

[0002] Terminals are wiring terminals used to transmit electrical signals or conduct electricity. They are important components for transmitting power, signals, and data. In the wiring harness processing, there is a terminal crimping process, that is, before the wire harness is crimped to the terminal, the stripped wire harness needs to be inserted into the terminal using a plug-in device.

[0003] The prior art discloses a Chinese patent with publication number CN 113540921 B: a terminal crimping device for a wiring harness connector of a new energy vehicle, and discloses a terminal connecting device and a terminal pushing device. The terminal pushing device slides and pushes the terminal connecting device into the inside of the supporting device through the transmission of a gear and a rack, and plugs the stripped metal conductive wire into the terminal metal sheet.

[0004] However, the above-mentioned prior art still has certain defects, that is, during use, only one end of the wiring harness can be plugged in with terminals at a time. If terminals are plugged in at both ends of the wiring harness, manual assistance is required to adjust the direction of the wiring harness. In addition, it is only suitable for single-core plug-in terminals. If there are multiple wire cores inside the plugged-in wiring harness, the wire cores are prone to bifurcation during the plug-in process, resulting in unstable terminal plug-in. Summary of the invention

[0005] The object of the present invention is to provide a terminal plugging device for connecting a wiring harness of a household appliance to solve the problems raised in the above-mentioned background technology.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A terminal plug-in device for connecting a wiring harness of a household appliance comprises a base, a sliding groove is provided through the middle of the top of the base, sliding platforms are slidably installed at both ends of the inner side of the sliding groove, baffles for limiting the sliding platforms are fixedly connected to the middle of both ends of the base through locking bolts, and a wiring harness support is installed in the middle of the inner side of the sliding groove;

[0008] The opposite ends of the tops of the two slides are both equipped with a wire harness end processing mechanism for pre-processing the wire harness ends to be plugged into the terminals;

[0009] The ends of the two slide tops facing each other are both equipped with a terminal supply mechanism for automatically supplying plug-in terminals;

[0010] A feeding drive mechanism is provided between the two slides for driving the two slides to synchronously feed the terminals to be plugged in.

[0011] In a preferred embodiment, the wire harness support includes a U-shaped wire support fixed in the middle of the inner bottom of the sliding groove, square grooves are opened in the middle of both sides of the U-shaped wire support, square columns are movably inserted into the sides of the two square grooves, and a straight spring is fixedly connected between one end of the two square columns located inside the square groove and the corresponding inner end surface of the square groove, and one end of the two square columns extending to the outside of the square groove is fixedly connected to a movable wire support.

[0012] In a preferred embodiment, the wire harness end processing mechanism includes an L-shaped frame fixed on the top of the slide, a cylinder 1 is fixedly installed on the top of the inner side of the L-shaped frame, and two groups of upper and lower semicircular rings arranged opposite to each other are provided on the inner side of the L-shaped frame, and strips are fixedly provided between the middle parts of the outer sides of the two upper and lower semicircular rings, and the opposite ends of the two strips are fixedly connected to the slide and the telescopic end of the cylinder 1 respectively;

[0013] A harness rotating assembly for driving the harness to rotate is provided between the upper semicircular ring and the lower semicircular ring, and an L-shaped column is fixedly connected to one side of the two blocks away from the harness support platform, and a wire pressing block for limiting the position of the harness to be plugged into the terminal is fixedly connected to the other side of the block connected to the upper semicircular ring;

[0014] The two ends of the L-shaped columns are fixedly connected with a semi-ring cylinder 1, the inner sides of the two semi-ring cylinders 1 are movably connected with a semi-ring cylinder 2, the outer ends of the two semi-ring cylinders 1 away from the harness support are fixedly provided with a semicircular ring strip, the inner ends of the two semi-ring cylinders 2 away from the harness support are fixedly embedded with an ultraviolet lamp, the middle part of the inner side of the semi-ring cylinder 2 at the lower end is provided with a groove, a glue spray head is installed inside the groove, and the outer sides of the semi-ring cylinders 2 at the lower end are provided with a glue supply hose connected to the glue spray head;

[0015] A cutting assembly for stripping the outer skin of the wire harness and an elastic member for regulating the relative position between the semi-annular cylinder 1 and the semi-annular cylinder are provided between the semi-annular cylinders 1 and 1 respectively.

[0016] In a preferred embodiment, the harness rotating assembly includes arc grooves opened on opposite sides of the two upper semicircular rings and the two lower semicircular rings, cross arc bars are slidably installed between the two arc grooves on the two upper semicircular rings and the two lower semicircular rings, and tooth grooves are opened on the outer sides of the two cross arc bars;

[0017] An outer frame is fixedly provided on the outer sides of the two bars, and a gear meshing with the tooth groove is rotatably installed on the two outer frames. An inner frame is fixedly provided on the middle part of the inner side of the two cross arc bars, and a wire roller is rotatably installed on the two inner frames.

[0018] In a preferred embodiment, the elastic member includes an L-shaped rod fixedly connected to the outer side of the corresponding semi-ring cylinder and a cylinder fixedly connected to the outer side of the corresponding L-shaped column. One end of the L-shaped rod is movably inserted into the cylinder, and a retaining ring is fixedly sleeved on the outer side of the L-shaped rod. The outer side of the L-shaped rod is sleeved with a straight spring 2 fixedly connected to the cylinder and the retaining ring.

[0019] In a preferred embodiment, the cutting assembly is composed of an opening portion and a cutting portion, wherein the opening portion includes a notch opened on the outer side of the semi-annular cylinder and a wire stripping knife fixed at a position between two adjacent notches at two ends of the semi-annular cylinder;

[0020] The cutting part includes an L-shaped push strip fixed on the outside of the second semi-circular cylinder and a round rod fixed on the outside of the first semi-circular cylinder. A cross groove is provided at the position of the outer side of the first semi-circular cylinder corresponding to the round rod. A cross column is movably inserted in the cross groove. One end of the cross column extending to the outside of the cross groove is fixedly connected to an L-shaped pressing block.

[0021] The round rod movably passes through the L-shaped pressing block, and a straight spring three is sleeved on the outer side of the round rod for fixedly connecting the L-shaped pressing block and the outer side of the semi-annular cylinder one, and a cutter is fixedly connected to one end of the cross column extending to the inside of the cross groove.

[0022] In a preferred embodiment, the terminal supply mechanism includes a mounting frame fixed on the top of the slide and a terminal support frame movably attached to the top surface of the slide, a conveyor belt is installed on the mounting frame, a through slot is provided through the middle of the terminal support frame, an embedding slot is provided on the inner side of the terminal support frame, a push plate 1 is movably embedded in the embedding slot, and a push plate 2 is provided at the position of the top of the mounting frame corresponding to the through slot;

[0023] Cylinder two and cylinder three are fixedly installed on one side of the mounting frame, and the telescopic ends of cylinder two and cylinder three are fixedly connected to push plate two and push plate one respectively. A baffle bar is fixedly connected to the top of the mounting frame, and an ultrasonic sensor is installed at one end of the baffle bar. Ear blocks are fixedly provided on both sides of the terminal support frame, and cylinder four is fixedly installed between the other side of the mounting frame and the ear block.

[0024] In a preferred embodiment, a centering clamping assembly is provided on the inner side of the terminal support frame, and the centering clamping assembly includes a straight bar fixed to the top of the middle part of the inner side of the terminal support frame, a longitudinal clamping block is provided at the bottom of the straight bar, and transverse plates are fixed on both sides of the longitudinal clamping block, and guide grooves corresponding to the two transverse plates are opened on the inner side of the terminal support frame, and the opposite ends of the two transverse plates are respectively slidably connected to the inside of the corresponding guide grooves;

[0025] Wedge blocks are fixedly provided at the bottom of the two horizontal plates, horizontal clamp blocks are provided at positions corresponding to the two wedge blocks inside the terminal support frame, oblique grooves corresponding to the wedge blocks are provided on the tops of the two horizontal clamp blocks, and clamping control parts are provided between the vertical clamp blocks and the straight bars and between the horizontal clamp blocks and the inner wall of the terminal support frame;

[0026] The clamping control component is composed of an insertion rod and a connecting spring sleeved on the outside of the insertion rod, the insertion rod of the corresponding transverse clamping block is fixed on the inner wall of the terminal support frame, the two ends of the connecting spring of the corresponding transverse clamping block are respectively fixedly connected to the transverse clamping block and the inner wall of the terminal support frame, and a plug hole for accommodating the corresponding insertion rod is opened on the outside of the transverse clamping block, the insertion rod of the corresponding longitudinal clamping block is fixed on the top of the longitudinal clamping block, and the insertion rod of the corresponding longitudinal clamping block movably passes through the straight bar, and the two ends of the connecting spring of the corresponding longitudinal clamping block are respectively fixedly connected to the straight bar and the longitudinal clamping block.

[0027] In a preferred embodiment, the feed drive mechanism includes a through slot extending through the middle of the U-shaped wire support bottom and L-shaped racks respectively fixedly connected to the middle of the two slide bottoms, and a gear 2 meshing with the two L-shaped racks is rotatably installed in the middle of the inner side of the through slot.

[0028] In a preferred embodiment, a loading platform and an unloading platform are fixedly provided on both sides of the wiring harness support platform at the top of the base, and the loading platform is composed of two sets of side supports fixed on the top of the base and a material frame fixedly connected between one ends of the two side supports, and a wiring harness transposition mechanism is provided at the top of the base between the two side supports;

[0029] The wire harness transposition mechanism includes a straight plate arranged between two side supports and mounting strips fixed on both sides of the U-shaped wire support. A plurality of arc supports distributed at equal intervals are fixed on the top of the straight plate. Cam plates are rotatably mounted on the opposite ends of the two mounting strips, and the two ends of the straight plate are rotatably mounted between the corresponding ends of the cam plates.

[0030] Beneficial effects of the present invention:

[0031] 1. The present invention can realize the synchronous stripping and cutting of the outer skin of the target wire harness, the glue coating and fixing of the multi-strand wire core, the curing of the conductive glue and the terminal plugging of the two ends of the target wire harness through the coordinated use of the feed drive mechanism, the double-sided wire harness end processing mechanism and the double-sided terminal supply mechanism, thereby improving the production efficiency;

[0032] 2. The present invention utilizes a wire harness transposition mechanism to support the target wire harness and feed it step by step between the first wire supporting arc plate, the second wire supporting arc plate, the U-shaped wire support, and the unloading support platform, thereby realizing automatic supply of the target wire harness and automatic unloading of the finished product, and cooperating with a feed drive mechanism, a double-sided wire harness end processing mechanism, and a double-sided terminal supply mechanism to realize fully automated production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the overall decomposition structure of the present invention;

[0036] Figure 3 It is a schematic diagram of the assembly structure of the base and the harness support platform of the present invention;

[0037] Figure 4 The present invention Figure 3 Schematic diagram of the partial cross-section structure;

[0038] Figure 5 It is a schematic diagram of the local structure of the present invention;

[0039] Figure 6 It is a schematic diagram of the structure of the wire harness end processing mechanism of the present invention;

[0040] Figure 7 The present invention Figure 6 Schematic diagram of the overall cross-section structure;

[0041] Figure 8 The present invention Figure 7 A schematic diagram of the structure enlargement of part A;

[0042] Fig. 9 The present invention Figure 3 A schematic diagram of the structure of part B in the middle is enlarged;

[0043] Fig.10 It is a schematic diagram of the structure of the terminal supply mechanism of the present invention;

[0044] Fig.11 The present invention Fig.10 Schematic diagram of the overall cross-sectional structure.

[0045] The reference numerals in the figure are as follows: 1, base; 2, sliding groove; 3, sliding table; 4, baffle; 5, wire harness support platform; 51, U-shaped wire support; 52, square groove; 53, square column; 54, straight spring 1; 55, movable wire support; 6, wire harness end processing mechanism; 61, L-shaped frame; 62, cylinder 1; 63, upper semicircular ring; 64, lower semicircular ring; 65, bar; 66, wire harness rotating assembly; 661, cross arc bar; 662, tooth groove ;663, gear one; 664, wire roller; 67, elastic member; 671, L-shaped rod; 672, cylinder; 673, retaining ring; 674, straight spring two; 68, cutting assembly; 681, notch; 682, wire stripper; 683, L-shaped push strip; 684, cross groove; 685, cross column; 686, L-shaped pressure block; 687, round rod; 688, straight spring three; 689, cutter; 69, wire pressing block; 610, L-shaped column; 611, semi-ring cylinder 1; 612, semi-ring cylinder 2; 613, semi-circular ring strip; 614, ultraviolet lamp; 615, groove; 616, rubber supply hose; 7, terminal supply mechanism; 71, mounting frame; 72, terminal support frame; 73, centering clamping assembly; 731, straight bar; 732, longitudinal clamping block; 733, guide groove; 734, horizontal plate; 735, horizontal clamping block; 736, wedge block; 74, conveyor belt; 75, through groove ;76. Push plate one;77. Push plate two;78. Cylinder two;79. Cylinder three;710. Stop bar;711. Ultrasonic sensor;712. Cylinder four;713. Ear block;8. Wire harness transposition mechanism;81. Straight plate;82. Arc support;83. Mounting strip;84. Cam plate;9. Loading support platform;10. Unloading support platform;11. Feed drive mechanism;111. Through slot;112. Gear two;113. L-shaped rack. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] The household appliance connection harness of the present invention is a type of power accessory in the smart grid industry, which is a wire that transmits power or information from one place to another. The terminal plug-in device is a part of the equipment that plugs the terminal into the harness, and is used to synchronously plug the two ends of the multi-core connection harness into the terminal.

[0048] Example 1

[0049] Refer to the instruction manual Figure 1-2A terminal plugging device for connecting a wiring harness of a household appliance according to an embodiment of the present invention comprises a base 1, a sliding groove 2 is provided through the middle of the top of the base 1, sliding tables 3 are slidably installed at both ends of the inner side of the sliding groove 2, baffles 4 for limiting the sliding table 3 are fixedly connected to the middle of both ends of the base 1 by locking bolts, and a wiring harness support 5 is installed in the middle of the inner side of the sliding groove 2;

[0050] The opposite ends of the tops of the two slides 3 are both equipped with a wire harness end processing mechanism 6 for pre-processing the wire harness ends to be plugged into the terminals;

[0051] The ends of the two slides 3 facing away from each other are both equipped with a terminal supply mechanism 7 for automatically supplying plug-in terminals;

[0052] A feeding drive mechanism 11 is provided between the two slides 3 for driving the two slides 3 to synchronously feed the terminals to be plugged in.

[0053] It should be noted that the present invention places the target wiring harness on the wiring harness support 5, utilizes the feed drive mechanism 11 to drive the two slides 3 to move toward each other, and allows the two ends of the target wiring harness to be simultaneously inserted into the wiring harness end processing mechanism 6 at the corresponding ends, and uses the wiring harness end processing mechanism 6 to strip the ends of the target wiring harness, coat the multiple wire cores with glue, and cooperates with the terminal supply mechanism 7 to allow the target terminal to approach the wire core end after the glue coating is cured, thereby completing the plug-in fixation of the wiring harness and the terminal.

[0054] Specifically, Figure 3-5 As shown, the harness support platform 5 includes a U-shaped wire support 51 fixed to the middle of the inner bottom of the sliding groove 2, and a square groove 52 is opened in the middle of both sides of the U-shaped wire support 51. The sides of the two square grooves 52 are movably plugged with square columns 53, and the two square columns 53 are located inside the square groove 52. One end and the inner end surface of the corresponding square groove 52 are fixedly connected with a straight spring 54, wherein when the straight spring 54 is in a natural state, one end of the square column 53 remains plugged into the corresponding square groove 52, and the two ends of the square columns 53 extending to the outside of the square groove 52 are both A movable wire support 55 is fixedly connected, and the two movable wire supports 55 can be used in conjunction with the centrally arranged U-shaped wire support 51 to maximally support the middle position of the target wire harness to avoid sagging of the ends of the target wire harness due to the two ends of the target wire harness being suspended in the air for too long, thereby causing the ends of the target wire harness to deviate from the incoming wire center of the wire harness end processing mechanism 6 and causing incoming wire failure. In addition, an inner arc-shaped groove is provided in the middle of the top end surface of the movable wire support 55 and the U-shaped wire support 51 to prevent the ends of the target wire harness from deviating during the incoming wire process and affecting the incoming wire.

[0055] It should be noted that before using two harness end processing mechanisms 6 to synchronously perform pre-processing on both ends of the target harness, the target harness is placed centrally on the harness support 5, and two movable wire supports 55 are used to cooperate with the centrally arranged U-shaped wire support 51 to support the middle of the target harness, so that the two ends of the target harness are facing the incoming wire center of the harness end processing mechanism 6, and then under the action of the two harness end processing mechanisms 6 that move in opposite directions, the corresponding movable wire support 55 is pushed to move in the direction of the U-shaped wire support 51 and compress the corresponding straight spring 54, so that the end of the target harness is gradually entered into the harness end processing mechanism 6 in a straight state for pre-processing.

[0056] Specifically, Figure 2 and Figure 4 As shown, the feed drive mechanism 11 includes a through slot 111 penetrating through the middle of the bottom of the U-shaped wire support 51 and L-shaped racks 113 respectively fixedly connected to the middle of the bottoms of the two slides 3, and a gear 2 112 meshing with the two L-shaped racks 113 is rotatably installed in the middle of the inner side of the through slot 111, wherein a motor 1 can be installed in the middle of the outer side of the base 1 to drive the gear 2 112 to rotate.

[0057] It should be noted that in the process of using the feed drive mechanism 11 to drive the two wire harness end processing mechanisms 6 to move toward each other to perform synchronous processing on the two ends of the target wire harness, the motor 1 is used to drive the gear 2 112 to rotate, thereby driving the two L-shaped racks 113 to drive the corresponding slides 3 to move toward each other, thereby realizing the two wire harness end processing mechanisms 6 to move toward each other.

[0058] Specifically, Figure 1 and Figure 6-8 As shown, the wire harness end processing mechanism 6 includes an L-shaped frame 61 fixed on the top of the slide 3, a cylinder 62 is fixedly installed on the top of the inner side of the L-shaped frame 61, and two groups of upper semicircular rings 63 and lower semicircular rings 64 are arranged on the inner side of the L-shaped frame 61, and a bar 65 is fixedly arranged between the outer middle parts of the two upper semicircular rings 63 and the two lower semicircular rings 64, and the opposite ends of the two bars 65 are fixedly connected to the slide 3 and the telescopic end of the cylinder 62 respectively;

[0059] A harness rotating assembly 66 for driving the harness to rotate is provided between the upper semicircular ring 63 and the lower semicircular ring 64. The two strips 65 are fixedly connected to an L-shaped column 610 on one side away from the harness support platform 5, and the other side of the strip 65 connected to the upper semicircular ring 63 is fixedly connected to a wire pressing block 69 for limiting the position of the harness to be plugged into the terminal. The setting of the wire pressing block 69 can cooperate with the movable wire support 55 at the corresponding end of the harness support platform 5 to limit the two ends of the target harness, so that when the end of the target harness enters the corresponding harness terminal processing mechanism 6 for processing, the end of the target harness will not be lifted during the wiring process.

[0060] The ends of the two L-shaped columns 610 are fixedly connected with a semi-ring cylinder 1 611, and the inner sides of the two semi-ring cylinders 1 611 are movably connected with a semi-ring cylinder 2 612, and the outer ends of the two semi-ring cylinders 1 611 away from the harness support platform 5 are fixedly provided with a semicircular ring strip 613, and the inner ends of the two semi-ring cylinders 2 612 away from the harness support platform 5 are fixedly embedded with an ultraviolet lamp 614, and the middle part of the inner side of the semi-ring cylinder 2 612 at the lower end is provided with a groove 615, and a glue spray head is installed inside the groove 615, and the outer sides of the semi-ring cylinder 2 612 at the lower end are provided with a glue supply hose 616 connected to the glue spray head, wherein the glue supply hose 616 is connected to an external conductive glue supply device;

[0061] A cutting assembly 68 for stripping the outer skin of the wire harness and an elastic member 67 for adjusting the relative position between the semi-annular cylinder 1 611 and the semi-annular cylinder 2 612 are provided between the semi-annular cylinder 1 611 and the semi-annular cylinder 2 612 .

[0062] It should be noted that when the end of the target wire harness is pre-processed by the wire harness end processing mechanism 6, the feed drive mechanism 11 is used to drive the wire harness end processing mechanism 6 to approach the end of the target wire harness, so that the end of the target wire harness is pre-processed while entering the inside of the wire harness end processing mechanism 6. In this process, before the wire is introduced (that is, the end of the target wire harness is inserted into the inside of the wire harness end processing mechanism 6), the corresponding block 65 needs to be pushed downward by the cylinder 1 62, so that the upper semicircular ring 63 and the lower semicircular ring 64, the two semi-ring cylinders 1 611 and the two semi-ring cylinders 2 612 are closed to form a full circle, and then in the process of introducing the wire, the end of the target wire harness is passed through the wire harness rotating component 66 and the cutting component 68 in turn, and the outer skin of the insertion part of the end of the target wire harness is cut by the cutting component 68, so that the exposed wire core (here, a multi-strand wire core is used as an example) enters the rubber-coated area inside the full circle formed by the two semi-ring cylinders 2 612;

[0063] Then, the corresponding terminal supply mechanism 7 is controlled to push the whole circle formed by the two semi-annular cylinders 612 into the whole circle formed by the two semi-annular cylinders 611. At the same time, the target wire harness is driven to rotate by the wire harness rotating component 66, so that the stripped wire skin is cut by the cutting component 68, and the conductive glue sprayed by the glue spray head is coated on the surface of the wire core, and the wire harness rotates so that multiple strands of wire cores are bonded together under the action of the conductive glue. After the coating is completed, the supply of conductive glue is stopped, and the whole circle formed by the two semi-annular cylinders 612 is controlled to continue to enter the whole circle formed by the two semi-annular cylinders 611, and the conductive glue is cured by the ultraviolet lamp 614, and the cured wire core part is inserted into the interior of the target terminal.

[0064] Specifically, Figure 7As shown, the harness rotating assembly 66 includes arc grooves opened on the opposite sides of the two upper semicircular rings 63 and the two lower semicircular rings 64, and a cross arc bar 661 is slidably installed between the two arc grooves on the two upper semicircular rings 63 and the two lower semicircular rings 64, and the outer sides of the two cross arc bars 661 are provided with tooth grooves 662;

[0065] An outer frame is fixedly provided on the outer side of the two bars 65, and a gear 663 meshing with the tooth groove 662 is rotatably installed on the two outer frames. An inner frame is fixedly provided on the inner middle part of the two cross arc bars 661, and a wire roller 664 is rotatably installed on the two inner frames. A motor 2 for driving the gear 663 to rotate can be installed on the outer frame, and a motor 3 for driving the wire roller 664 to rotate can be installed on the inner frame. The rotation direction of the two wire rollers 664 is the same as the feeding direction of the target wire harness end, and an annular groove for limiting the target wire harness is provided on the outer side of the two wire rollers 664.

[0066] It should be noted that, in the process of allowing the target wire harness end to enter the wire harness end processing mechanism 6, the motor three is used to drive the two wire rollers 664 to rotate in the wire entry direction, so as to cooperate with the upper semicircular ring 63 and the lower semicircular ring 64, the two semi-circular cylinders 1 611 and the two semi-circular cylinders 2 612 to form a full circular channel to prevent the target wire harness end from being inserted into the target terminal. The resistance generated by the target terminal to the wire core causes the target wire harness to retreat and bend, thereby causing the plug-in failure. In the process of driving the target wire harness to rotate, the corresponding gear 1 663 is driven to rotate by the motor two, and the rotating gear 1 663 is used to drive the annular arc bar composed of two cross arc bars 661 to rotate, thereby driving the two wire rollers 664 to clamp the target wire harness and rotate synchronously, completing the cutting of the stripped wire skin and the gathering and coating of multiple wire cores.

[0067] Specifically, Figure 7 As shown, the elastic member 67 includes an L-shaped rod 671 fixedly connected to the outer side of the corresponding semi-annular cylinder 612 and a cylinder 672 fixedly connected to the outer side of the corresponding L-shaped column 610, one end of the L-shaped rod 671 is movably inserted into the cylinder 672, and a retaining ring 673 is fixedly sleeved on the outer side of the L-shaped rod 671, and a straight spring 674 fixedly connected to the cylinder 672 and the retaining ring 673 is sleeved on the outer side of the L-shaped rod 671, wherein when the straight spring 674 is in a natural state, one end of the L-shaped rod 671 always remains in a state of being movably inserted into the cylinder 672.

[0068] It should be noted that, in the process of using the advancing terminal supply mechanism 7 to push the full circle formed by the two semi-ring cylinders 612 into the full circle formed by the two semi-ring cylinders 611, the end of the L-shaped rod 671 will be synchronously driven to continue to be inserted into the cylinder 672, and the straight spring 674 will be compressed. During this process, the ultraviolet lamp 614 that moves synchronously with the semi-ring cylinder 612 will gradually approach the glue coating area of ​​the wire core, and after entering the glue coating area of ​​the wire core, the conductive glue that bonds the multi-strand wire cores will be cured. The target terminal pushed by the terminal supply mechanism 7 will synchronously complete the plug-in process of the cured multi-strand wire core and the target terminal in the process of the full circle formed by the two semi-ring cylinders 612 entering the full circle formed by the two semi-ring cylinders 611.

[0069] Specifically, Figure 7-8 As shown, the cutting assembly 68 is composed of an opening portion and a cutting portion. The opening portion includes a notch 681 opened on the outside of the semi-circular cylinder 1 611 and a wire stripping knife 682 fixed at a position between two adjacent notches 681 at the end of the semi-circular cylinder 2 612;

[0070] The cutting part includes an L-shaped push strip 683 fixed on the outside of the second semi-circular cylinder 612 and a round rod 687 fixed on the outside of the first semi-circular cylinder 611. A cross groove 684 is formed on the outside of the first semi-circular cylinder 611 at a position corresponding to the round rod 687. A cross column 685 is movably inserted in the cross groove 684. One end of the cross column 685 extending to the outside of the cross groove 684 is fixedly connected to an L-shaped pressing block 686.

[0071] The round rod 687 movably passes through the L-shaped pressing block 686, and a straight spring 3 688 is sleeved on the outside of the round rod 687 to fix the L-shaped pressing block 686 and the outside of the semi-annular cylinder 1 611. The cross column 685 extends to one end of the cross groove 684 and is fixedly connected to a cutter 689. When the straight spring 2 674 is in a natural state, the L-shaped push strip 683 and the L-shaped pressing block 686 are just in the position as shown in FIG. Figure 8 The fitting state is shown, and the straight spring three 688 in this state is also in a natural state, and the cutter 689 fixed at the end of the cross column 685 is just completely hidden inside the corresponding cross groove 684.

[0072] It should be noted that, in the process of using the cutting component 68 to strip the target wire harness end, as the wire harness end passing through the wire harness rotating component 66 successively enters the interior of the full circular channel formed by the two semi-annular cylinders 1 611 and the two semi-annular cylinders 2 612, after the wire harness end contacts the wire stripping knife 682 at the end of the semi-annular cylinder 2 612, the wire harness end that continues to move forward will, under the action of the wire stripping knife 682, make a series of cuts on the outer skin of the target wire harness, and the wire skin between the two adjacent wire stripping knives 682 will pass through the corresponding notch 681 and extend to the outside of the full circular channel formed by the two semi-annular cylinders 1 611. The exposed multi-strand wire cores after stripping will enter the interior of the full circular channel formed by the two semi-annular cylinders 2 612, and enter the corresponding glue coating area of ​​the glue spray head;

[0073] After the exposed multi-strand wire cores after stripping enter the glue coating area, the advancing terminal supply mechanism 7 will be used to push the full circle formed by the two semi-annular cylinders 612 into the full circle formed by the two semi-annular cylinders 611 for a distance, so that the L-shaped push strip 683 that is synchronously advanced with the semi-annular cylinder 612 squeezes the L-shaped pressing block 686, so that the L-shaped pressing block 686 compresses the straight spring 3 688 along the direction of the round rod 687. At this time, the cutter 689 will extend the corresponding cross groove 684 under the action of the cross column 685 that moves synchronously with the L-shaped pressing block 686, and enter the corresponding wire skin incision, and then drive the target wire harness to rotate by the wire harness rotating component 66, so that while the cutter 689 is used to cut the stripped wire skin, the conductive glue sprayed by the glue spray head is used to cover the surface of the wire core, and cooperate with the rotation of the wire harness, so that the multi-strand wire cores are bonded together under the action of the conductive glue;

[0074] Since most of the stripped wire skins extend to the outside of the full circular channel formed by the closure of the two semi-ring cylinders 611, after the stripped wire skins are cut by the cutter 689, the cut wire skins will fall down under the action of their own gravity. At this time, a collection frame can be added at the corresponding position on the slide 3 to collect and reuse the fallen wire skins.

[0075] Specifically, Figure 1 and Fig.10 As shown, the terminal supply mechanism 7 includes a mounting frame 71 fixed on the top of the slide 3 and a terminal support frame 72 movably attached to the top surface of the slide 3, a conveyor belt 74 for automatically conveying the target terminal is installed on the mounting frame 71, a through slot 75 is opened through the middle of the terminal support frame 72, an embedded slot is opened on the inner side of the terminal support frame 72, a push plate 1 76 is movably embedded in the embedded slot, and a push plate 2 77 is provided at the position of the top of the mounting frame 71 corresponding to the through slot 75;

[0076] Cylinder two 78 and cylinder three 79 are fixedly installed on one side of the mounting frame 71, and the telescopic ends of cylinder two 78 and cylinder three 79 are fixedly connected to push plate two 77 and push plate one 76 respectively. A baffle 710 is fixedly connected to the top of the mounting frame 71, and an ultrasonic sensor 711 is installed at one end of the baffle 710. The ultrasonic sensor 711 can be used to detect the distance between the target terminal and the target wiring harness insertion end. Ear blocks 713 are fixedly installed on both sides of the terminal support frame 72, and cylinder four 712 is fixedly installed between the other side of the mounting frame 71 and the ear block 713.

[0077] It should be noted that, in the process of supplying the target terminal, the target terminal is first placed on the conveyor belt 74 in a predetermined direction (i.e., the wiring harness corresponds to the wiring port on the terminal), and is transported to the push position under the action of the conveyor belt 74, and the target terminal is stopped at the push position by the stop bar 710, and then the target terminal at the current position is pushed into the terminal support frame 72 by controlling the push plate 2 77 through the cylinder 2 78, and after the ultrasonic sensor 711 detects that the distance between the target terminal and the target wiring harness insertion end reaches the preset value, the cylinder 4 712 will control the ear block 713 to move the terminal support frame 72 closer to the wiring harness end processing mechanism 6, and the cylinder 3 79 will extend synchronously to push the full circle formed by the two semi-ring cylinders 2 612 into the full circle formed by the two semi-ring cylinders 1 611, so that the ultraviolet lamp 614 cures the conductive glue that bonds the multi-strand wire cores, and at the same time, the multi-strand wire cores that have been cured are plugged into the target terminal;

[0078] After the wiring harness and the terminal are connected, the cylinder 3 79 remains in the extended state, and the cylinder 4 712 controls the terminal support frame 72 to retract to the initial upper target terminal position, so that the target terminal after the connection is separated from the terminal support frame 72, and then the cylinder 3 79 controls the push plate 1 76 to retract to the initial upper target terminal position, and finally, the cylinder 1 62 drives the corresponding bar 65 to move upward, so that the upper semicircular ring 63 and the lower semicircular ring 64, the two semi-circular cylinders 1 611 and the two semi-circular cylinders 2 612 are closed to form a complete circle, and the wiring harness with the completed terminal connection can be removed;

[0079] Furthermore, in the process of using the ultrasonic sensor 711 to detect that the distance between the target terminal and the target wiring harness insertion end reaches a preset value, it includes two parts. One is to cut off the stripped wire skin and coat and gather the multiple strands of bare wire cores entering the full circular channel formed by the closure of the two semi-ring tubes 612. The second is to solidify the conductive glue coated on the surface of the wire core after the multiple strands of bare wire cores are coated and gathered.

[0080] Specifically, Figure 10-11As shown, a centering clamping assembly 73 is provided inside the terminal support frame 72, and the centering clamping assembly 73 includes a straight bar 731 fixed to the top of the middle part of the inner side of the terminal support frame 72, a longitudinal clamping block 732 is provided at the bottom of the straight bar 731, and transverse plates 734 are fixed on both sides of the longitudinal clamping block 732. Guide grooves 733 corresponding to the two transverse plates 734 are opened inside the terminal support frame 72, and the opposite ends of the two transverse plates 734 are respectively slidably connected to the inside of the corresponding guide grooves 733;

[0081] Wedge blocks 736 are fixedly provided at the bottom of the two horizontal plates 734, and horizontal clamping blocks 735 are provided at positions corresponding to the two wedge blocks 736 inside the terminal support frame 72. The tops of the two horizontal clamping blocks 735 are provided with oblique grooves corresponding to the wedge blocks 736, and clamping control parts are provided between the vertical clamping block 732 and the straight bar 731 and between the horizontal clamping block 735 and the inner wall of the terminal support frame 72;

[0082] When the locking cam 736 is in the unlocking state, the locking cam 738 is in the unlocking state, and the locking cam 738 is in the unlocking state. Fig.11 In this state, the horizontal clamp block 735 and the vertical clamp block 732 can be used to cooperate with the inner bottom end of the terminal support frame 72 to clamp and center the target terminal that has completely entered the terminal support frame 72, so that the wire insertion hole on the target terminal is directly opposite to the target wiring harness.

[0083] The locking cam 736 is engaged with the locking cam 734 and the locking cam 736 is engaged with the locking cam 734. The locking cam 736 is engaged with the locking cam 734 and the locking cam 736 is engaged with the locking cam 734.

[0084] In the process of pushing the target terminal into the terminal support frame 72, if the conveyor belt 74 is a step-by-step conveyor, the push plate 77 can be used as follows: Fig.11 As shown in the rectangular plate, if the conveyor belt 74 adopts non-intermittent transmission, the push plate 2 77 needs to be set as an L-shaped plate (not specifically drawn in the accompanying drawings) to prevent the subsequent target terminals from entering the pushing position on the conveyor belt 74 when the push plate 2 77 is not reset during the process of pushing the target terminal into the terminal support frame 72.

[0085] Example 2

[0086] Refer to the instruction manual Figure 2-3 and Fig. 9 , a terminal plug-in device for connecting a wiring harness of a household appliance according to an embodiment of the present invention, a loading support 9 and a discharging support 10 are fixedly arranged on both sides of a wiring harness support 5 at the top of a base 1, the loading support 9 is composed of two sets of side supports fixed on the top of the base 1 and a material frame fixedly connected between one ends of the two side supports, wherein two wire supporting arc plates are arranged on the top of the two side supports, and the two wire supporting arc plates are equidistantly distributed in a colinear manner with the wire supporting parts at the corresponding ends of the U-shaped wire support 51, and a wire harness transposition mechanism 8 is arranged at the top of the base 1 between the two side supports;

[0087] The wire harness transposition mechanism 8 includes a straight plate 81 arranged between two side supports and mounting strips 83 fixed on both sides of the U-shaped wire support 51, wherein the outer ends of the two mounting strips 83 are fixedly mounted with motors 4 for driving the corresponding cam plates 84 to perform circular motion, and a plurality of arc supports 82 equidistantly distributed are fixedly mounted on the top of the straight plate 81, and the cam plates 84 are rotatably mounted on the opposite ends of the two mounting strips 83, and the two ends of the straight plate 81 are rotatably mounted between the corresponding ends of the cam plates 84.

[0088] It should be noted that, in the process of supplying the target wire harness, the target wire harness to be plugged into the target terminal needs to be placed inside the inclined material frame first, so that it can roll down to the inside of the first wire supporting arc plate at the top of the side support under its own gravity, and then step by step to the direction of the unloading support platform 10 under the action of the wire harness transposition mechanism 8;

[0089] In the process of the harness transposition mechanism 8 switching the position of the target harness, the motor 4 drives the corresponding cam plate 84 upward (refer to Fig. 9 ) swings, allowing the straight plate 81 to swing synchronously, and using the arc support 82 to support the target wire harness at the corresponding position and transport it to the next workstation. The specific switching sequence is: material frame → first wire supporting arc plate → second wire supporting arc plate → U-shaped wire support 51 → unloading support platform 10.

[0090] In the above technical solution, the cylinder mentioned is a single-acting cylinder of model DSA25N200; the motor mentioned is a servo driver of model JSMA-PUC02D; the ultrasonic sensor 711 mentioned is an ultrasonic ranging sensor, and the specific model can be selected according to the actual production environment.

[0091] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A terminal plug-in device for connecting a wiring harness of a household appliance, comprising a base station (1), characterized in that: A sliding groove (2) is provided through the middle of the top of the base (1), and sliding platforms (3) are slidably installed at both ends of the inner side of the sliding groove (2). Baffles (4) for limiting the sliding platform (3) are fixedly connected to the middle of both ends of the base (1) through locking bolts, and a wiring harness support platform (5) is installed in the middle of the inner side of the sliding groove (2); A wire harness end processing mechanism (6) for pre-processing the end of the wire harness to be connected to the terminal is installed at the opposite end of the top of the two slides (3); A terminal supply mechanism (7) for automatically supplying plug-in terminals is installed at the opposite ends of the tops of the two slides (3); A feeding drive mechanism (11) is provided between the two slides (3) for driving the two slides (3) to synchronously feed the terminals to be plugged in.

2. A terminal plug-in device for a household appliance connection harness according to claim 1, characterized in that: The wire harness support platform (5) comprises a U-shaped wire support (51) fixed to the middle of the inner bottom of the sliding groove (2), square grooves (52) are provided in the middle of both sides of the U-shaped wire support (51), square columns (53) are movably inserted into the sides of the two square grooves (52), straight springs (54) are fixedly connected between one end of the two square columns (53) located inside the square groove (52) and the inner end surface of the corresponding square groove (52), and movable wire supports (55) are fixedly connected to one end of the two square columns (53) extending outside the square groove (52).

3. A terminal plug-in device for a household appliance connection harness according to claim 1, characterized in that: The wire harness end processing mechanism (6) comprises an L-shaped frame (61) fixed on the top of the slide (3), a cylinder (62) is fixedly installed on the top of the inner side of the L-shaped frame (61), and two groups of upper semicircular rings (63) and lower semicircular rings (64) are arranged on the inner side of the L-shaped frame (61), and a strip (65) is fixedly arranged between the middle parts of the outer sides of the two upper semicircular rings (63) and the two lower semicircular rings (64), and the opposite ends of the two strips (65) are fixedly connected to the slide (3) and the telescopic end of the cylinder (62) respectively; A wire harness rotating assembly (66) for driving the wire harness to rotate is provided between the upper semicircular ring (63) and the lower semicircular ring (64); an L-shaped column (610) is fixedly connected to one side of the two strips (65) away from the wire harness support platform (5); and a wire pressing block (69) for limiting the position of the wire harness to be plugged into the terminal is fixedly connected to the other side of the strip (65) connected to the upper semicircular ring (63); The ends of the two L-shaped columns (610) are fixedly connected with a semi-ring cylinder 1 (611), the inner sides of the two semi-ring cylinders 1 (611) are movably connected with a semi-ring cylinder 2 (612), the outer ends of the two semi-ring cylinders 1 (611) away from the harness support platform (5) are fixedly provided with a semicircular ring strip (613), the inner ends of the two semi-ring cylinders 2 (612) away from the harness support platform (5) are fixedly embedded with an ultraviolet lamp (614), the middle part of the inner side of the semi-ring cylinder 2 (612) at the lower end is provided with a groove (615), a glue spray head is installed inside the groove (615), and a glue supply hose (616) connected to the glue spray head is provided on the outer side of the semi-ring cylinder 2 (612) at the lower end; A cutting assembly (68) for stripping the outer skin of the wire harness and an elastic member (67) for adjusting the relative position between the first semi-annular cylinder (611) and the second semi-annular cylinder (612) are provided between the correspondingly arranged semi-annular cylinders.

4. A terminal plug-in device for a household appliance connection harness according to claim 3, characterized in that: The harness rotating assembly (66) comprises arc grooves formed on opposite sides of two upper semicircular rings (63) and two lower semicircular rings (64); cross arc bars (661) are slidably mounted between the two arc grooves on the two upper semicircular rings (63) and the two lower semicircular rings (64); and tooth grooves (662) are formed on the outer sides of the two cross arc bars (661); An outer frame is fixedly provided on the outer sides of the two bars (65), and a gear (663) meshing with the tooth groove (662) is rotatably mounted on the two outer frames. An inner frame is fixedly provided on the middle part of the inner sides of the two cross arc bars (661), and a wire roller (664) is rotatably mounted on the two inner frames.

5. A terminal plug-in device for a household appliance connection harness according to claim 3, characterized in that: The elastic member (67) comprises an L-shaped rod (671) fixedly connected to the outer side of the corresponding semi-annular cylinder (612) and a cylinder (672) fixedly connected to the outer side of the corresponding L-shaped column (610); one end of the L-shaped rod (671) is movably inserted into the cylinder (672); a retaining ring (673) is fixedly sleeved on the outer side of the L-shaped rod (671); and a straight spring (674) fixedly connected to the cylinder (672) and the retaining ring (673) is sleeved on the outer side of the L-shaped rod (671).

6. A terminal plug-in device for a household appliance connection harness according to claim 3, characterized in that: The cutting assembly (68) is composed of an opening portion and a cutting portion, wherein the opening portion includes a notch (681) opened on the outside of the first semi-circular cylinder (611) and a wire stripping knife (682) fixed at a position between two adjacent notches (681) corresponding to the end of the second semi-circular cylinder (612); The cutting portion comprises an L-shaped push strip (683) fixed on the outside of the second semi-annular cylinder (612) and a round rod (687) fixed on the outside of the first semi-annular cylinder (611); a cross groove (684) is provided at a position on the outside of the first semi-annular cylinder (611) corresponding to the round rod (687); a cross column (685) is movably inserted inside the cross groove (684); and an end of the cross column (685) extending to the outside of the cross groove (684) is fixedly connected to an L-shaped pressing block (686); The round rod (687) movably passes through the L-shaped pressing block (686), and a straight spring (688) is sleeved on the outer side of the round rod (687) to fix the L-shaped pressing block (686) and the outer side of the semi-annular cylinder (611). One end of the cross column (685) extending to the inside of the cross groove (684) is fixedly connected to a cutter (689).

7. A terminal plug-in device for a household appliance connection harness according to claim 1, characterized in that: The terminal supply mechanism (7) comprises a mounting frame (71) fixed on the top of the slide (3) and a terminal support frame (72) movably attached to the top surface of the slide (3); a conveyor belt (74) is installed on the mounting frame (71); a through groove (75) is provided through the middle of the terminal support frame (72); an embedded groove is provided on the inner side of the terminal support frame (72); a push plate 1 (76) is movably embedded in the embedded groove; a push plate 2 (77) is provided at a position on the top of the mounting frame (71) corresponding to the through groove (75); One side of the mounting frame (71) is fixedly mounted with cylinder 2 (78) and cylinder 3 (79), and the telescopic ends of cylinder 2 (78) and cylinder 3 (79) are respectively fixedly connected to push plate 2 (77) and push plate 1 (76), a blocking bar (710) is fixedly connected to the top of the mounting frame (71), and an ultrasonic sensor (711) is installed at one end of the blocking bar (710), ear blocks (713) are fixedly mounted on both sides of the terminal support frame (72), and cylinder 4 (712) is fixedly mounted between the other side of the mounting frame (71) and the ear block (713).

8. A terminal plug-in device for a household appliance connection harness according to claim 7, characterized in that: The terminal support frame (72) is provided with a centering clamping assembly (73) on the inner side, and the centering clamping assembly (73) includes a straight bar (731) fixed to the top of the middle part of the inner side of the terminal support frame (72), a longitudinal clamping block (732) is provided at the bottom of the straight bar (731), and transverse plates (734) are fixed on both sides of the longitudinal clamping block (732), and guide grooves (733) corresponding to the two transverse plates (734) are opened on the inner side of the terminal support frame (72), and the opposite ends of the two transverse plates (734) are respectively slidably connected to the inside of the corresponding guide grooves (733); A wedge-shaped block (736) is fixedly provided at the bottom of the two horizontal plates (734), a horizontal clamping block (735) is provided at the position corresponding to the two wedge-shaped blocks (736) inside the terminal support frame (72), an oblique groove corresponding to the wedge-shaped block (736) is opened at the top of the two horizontal clamping blocks (735), and a clamping control member is provided between the longitudinal clamping block (732) and the straight bar (731) and between the horizontal clamping block (735) and the inner wall of the terminal support frame (72); The clamping control component is composed of an insertion rod and a connecting spring sleeved on the outside of the insertion rod. The insertion rod of the corresponding horizontal clamping block (735) is fixed on the inner wall of the terminal support frame (72). The two ends of the connecting spring of the corresponding horizontal clamping block (735) are respectively fixedly connected to the horizontal clamping block (735) and the inner wall of the terminal support frame (72). The outside of the horizontal clamping block (735) is provided with an insertion hole for accommodating the corresponding insertion rod. The insertion rod of the corresponding vertical clamping block (732) is fixed on the top of the vertical clamping block (732), and the insertion rod of the corresponding vertical clamping block (732) movably passes through the straight bar (731). The two ends of the connecting spring of the corresponding vertical clamping block (732) are respectively fixedly connected to the straight bar (731) and the vertical clamping block (732).

9. A terminal plug-in device for a household appliance connection harness according to claim 2, characterized in that: The feed drive mechanism (11) comprises a through slot (111) extending through the middle of the bottom of the U-shaped wire support (51) and L-shaped racks (113) respectively fixedly connected to the middle of the bottoms of the two slides (3); a second gear (112) meshing with the two L-shaped racks (113) is rotatably mounted in the middle of the inner side of the through slot (111).

10. A terminal plug-in device for a household appliance connection harness according to claim 2, characterized in that: The top of the base (1) is located on both sides of the wire harness support (5), and a loading support (9) and a discharging support (10) are fixedly provided respectively. The loading support (9) is composed of two groups of side supports fixed on the top of the base (1) and a material frame fixedly connected between one ends of the two side supports. The top of the base (1) is provided with a wire harness transposition mechanism (8) at a position between the two side supports; The wire harness transposition mechanism (8) comprises a straight plate (81) arranged between two side supports and mounting strips (83) fixed on both sides of the U-shaped wire support (51); a plurality of arc supports (82) distributed at equal intervals are fixed on the top of the straight plate (81); cam plates (84) are rotatably mounted on opposite ends of the two mounting strips (83); and both ends of the straight plate (81) are rotatably mounted between corresponding ends of the cam plates (84).

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