Automatic assembling, braiding and tin dipping equipment for chip resistor

Abstract

According to the automatic assembling, braiding and tin dipping equipment for the chip resistor, a ceramic substrate is automatically fed and cracked into a resistor disc on a feeding and grain disassembling mechanism, a terminal braid is automatically fed and punched through a belt conveying mechanism and a terminal punching mechanism to obtain two terminals, and the resistor disc and the two terminals are automatically assembled after being transferred to an assembling station. According to the invention, the automatic feeding, processing and assembling of the resistor discs and the terminals in the double-terminal chip resistor can be realized, and the resistor discs are braided after being assembled, so that the automatic feeding, processing and assembling of the resistor discs and the terminals in the double-terminal chip resistor can be realized, and the automatic feeding, processing and assembling of the resistor discs and the terminals can be realized. Tin immersion welding is carried out in a resistor braid mode, the structure is compact, and the production efficiency is high; and finally, receiving is carried out in a cut-off mode, the strip-shaped resistor braid is convenient to store, and the resistor disc can be conveniently inserted into a mold to be packaged in the follow-up process.

Description

Technical Field

[0001] The invention relates to the technical field of chip resistor production and manufacturing, and in particular to a chip resistor automatic assembly braiding tinning device. Background Art

[0002] Chip components (SMC and SMD) are new tiny components without leads or short-circuit leads. They are widely used in contemporary electronic products. They are suitable for installation on printed boards without through holes and are special components for SMT. SMT is the abbreviation of surface mount technology. Compared with ordinary components, chip components can be directly installed on printed boards, and all solder joints are on the same plane.

[0003] The difference between chip components and ordinary components lies not only in the way they are installed on the circuit board, but also in the completely different manufacturing process. For example, chip resistors are generally composed of the following materials: substrate (ceramic substrate), resistor paste (R paste), back conductive material, positive conductive material and side conductive material (Ag paste), primary protective glass G1, secondary protective glass G2, and Mark marking material. The above materials form a chip resistor. Usually, chip components are directly installed on the printed circuit board in a patch manner and cannot be installed on a perforated printed circuit board. Or some high-power chip components are directly installed on the printed circuit board, which is not conducive to the isolation between components and between components and circuits, and is prone to mutual interference. Therefore, it is necessary to develop some chip components that have the chip characteristics of chip components but can be installed vertically, such as chip resistors with terminals. The process of making chip resistors with terminals is as follows: first, printing electrodes, primary sintering, printing resistor circuits, secondary sintering, and printing protective glass films are carried out in sequence on a pre-marked ceramic substrate, and then the resistor chips are cracked; then the terminals are shaped, and the terminals are combined with the resistor chips made by the chip component process, and the resistor chips are inserted into the open ends of the above-mentioned shaped terminals to form a combination, so that the horizontally extended parts on both sides of the terminals are attached to the upper and lower surfaces of the resistor chips, and the terminals and the resistor chips are welded so that the terminals are welded to the upper and lower surfaces of the resistor chips to form a joint body; then insulation packaging, curing of the insulation layer, plastic shell molding, electrical testing and marking, and pin cutting are carried out to obtain qualified chip resistor products.

[0004] During manufacturing, the terminals can be automatically mass-produced by stamping, punching, etc., and the resistors can also be automatically printed and produced and segmented. Then, the terminals and the electrodes on the resistors are assembled and welded together. At present, the resistors are usually clamped on a specific fixture manually, and the terminals are inserted and assembled at the electrode positions of the resistors. Then, the electrode positions are soldered using a soldering machine. Since the soldering machine uses a welding gun for spot welding, it is easy to fail to weld in place and the spot welding action is slow. Therefore, the quality of the existing terminal and resistor assembly welding is poor and the efficiency is not high. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an automatic assembly and tinning equipment for chip resistors, which can realize automatic loading, assembly, tinning welding and unloading of resistor chips and terminals, and has automatic operation and high production efficiency.

[0006] In order to solve the above technical problems, the technical solution of the present invention is as follows: An automatic assembly and tinning equipment for chip resistors comprises an equipment body, an assembly station is arranged on a table panel of the equipment body through an assembly positioning mechanism; a loading and degranulating mechanism splits a ceramic substrate into resistor sheets, and the resistor sheets are placed from one side to the assembly station through a rotating sheet feeding mechanism; a terminal transfer mechanism is arranged at the front end of the assembly station, and a tape feeding mechanism is arranged on both sides of the terminal transfer mechanism, and the terminal material tape on the terminal unwinding machine is respectively transferred from both sides to between the terminal transfer mechanism and the assembly station, and is cut to form two terminals through a terminal punching mechanism, and the terminal transfer mechanism inserts the two terminals into the electrode positions of the resistor sheet, and a clamping sheet feeding mechanism is used on the other side of the assembly station to clamp and transfer the assembled resistor sheet to the braiding and gluing mechanism; The tape gluing mechanism sticks the two free ends of the terminals of the resistor sheet between the paper tape and the tape to form a resistor tape. The resistor tape passes through an active tape pulling mechanism and then enters the upper flux mechanism and the tinning mechanism to tin-weld the two terminals at the electrode positions of the resistor sheet. After that, the resistor tape passes through a synchronous tape pulling mechanism and enters the cutting and discharging mechanism to cut and collect the material according to the preset length.

[0007] The present invention can realize automatic assembly of resistors and terminals, and after assembly, the resistors are braided, tinned and welded in the form of resistor braids, and finally cut to collect the materials. The strips of resistor braids are convenient to store, and the resistors can be inserted into a mold for encapsulation later.

[0008] Furthermore, the equipment body includes a main frame, and the table panel is arranged on the main frame; the two terminal unwinders are respectively arranged on one side of the main frame and inside the main frame, and the terminal material tape passes through a plurality of terminal feeding guide wheels from the two terminal unwinders and enters the tape feeding mechanism on the table panel respectively; the main frame is also provided with a paper tape feeding mechanism and an adhesive tape feeding mechanism, and the paper tape enters the adhesive bottom groove of the braiding and gluing mechanism from the paper tape feeding mechanism, and the adhesive tape enters the upper side of the paper tape in the adhesive bottom groove from the tape feeding mechanism.

[0009] Optionally, a braid punching mechanism is further provided at the rear side of the braid gluing mechanism, and the resistor braid enters the braid punching mechanism from the braid gluing mechanism for synchronous punching, and the resistor braid after punching enters the active pulling mechanism.

[0010] Specifically, the braid punching mechanism includes a punching support and a punching seat arranged on the punching support, a punching station slot is arranged in the punching seat, a plurality of punching needles are arranged on the upper side of the punching station slot through a needle sleeve, a punching kit is arranged on the lower side of the punching station slot corresponding to the punching needle, a punching needle end is arranged on the upper end of the punching needle, and the punching needle end is arranged on a punching return block and one end of a punching swing arm, the punching swing arm is installed on the rear side of the punching support through a swing arm support, and a punching connecting rod is hinged at the other end of the punching swing arm, and the punching connecting rod is driven by a punching rocker arm in cooperation with a punching cam arranged on the driving spindle of the braid synchronous drive mechanism.

[0011] Furthermore, a braiding synchronous drive mechanism is arranged in the main frame, and the braiding synchronous drive mechanism includes a driving motor, a driving spindle, and a rotation sensing component. The driving spindle drives the active belt-drawing mechanism through a belt-drawing transmission group. The driving spindle is provided with a gluing cam, a punching cam, and a belt-twisting cam. As the driving spindle rotates, the braiding gluing mechanism, the braid punching mechanism, and the synchronous belt-drawing mechanism are synchronously driven.

[0012] Specifically, the braiding synchronous drive mechanism includes the driving spindle installed on the lower side of the table panel through a number of spindle seats, the driving motor is connected to the driving spindle through a spindle transmission group, the gluing cam of the driving spindle drives the gluing connecting rod of the braiding gluing mechanism through a gluing swing arm, the punching cam of the driving spindle is connected to drive the punching connecting rod of the braiding punching mechanism through a punching rocker arm; the belt drawing transmission group of the driving spindle is connected to the belt drawing divider of the active belt drawing mechanism; the twist-out belt cam of the driving spindle is connected to drive the twist-out belt swing arm connecting rod of the synchronous belt drawing mechanism through a twist-out rocker arm.

[0013] Furthermore, the feeding and degranulating mechanism includes a feeding support, a conveying seat plate arranged on the feeding support, and a feeding drive motor, the conveying seat plate is provided with a conveyor belt assembly, and the feeding drive motor is connected to drive the conveyor belt assembly through a feeding transmission group; along the conveying direction of the conveyor belt assembly, a degranulating connecting seat is provided at the end of the conveying seat plate, and a degranulating swing block installed in the degranulating connecting seat through a swing shaft is provided, the degranulating swing block is connected to a swing seat plate below, and a degranulating movable block is provided on the swing seat plate; a limited clamping groove is provided on the degranulating connecting seat, and a A grain-detaching station slot corresponding to the limit pressing slot is provided, the grain-detaching movable block is provided with a movable pressing block corresponding to the grain-detaching station slot, a grain-detaching reset spring is provided between the grain-detaching movable block and the grain-detaching connecting seat, and the movable pressing block is combined with or separated from the grain-detaching station slot by a pushing cylinder; the ceramic substrate enters the limit pressing slot from the conveyor belt assembly and reaches the grain-detaching station slot, and is fixed in the limit pressing slot by a grain-detaching pressing swing arm, and the swing seat plate is struck by a swing cylinder and drives the grain-detaching swing block to swing downward, and the ceramic substrate cracks along the scratch portion to form a resistor.

[0014] Furthermore, the rotating film feeding mechanism includes a sleeve seat, a film feeding shaft arranged in the sleeve seat, a material picking cylinder is arranged at the upper end of the film feeding shaft, a material picking nozzle is arranged at the working end of the material picking cylinder, and the lower end of the film feeding shaft is connected to the rotary cylinder via a rotating connecting block; a rotation limit ring is arranged at the upper end of the sleeve seat, and a rotation limit block is arranged on the rotation limit ring, so that the material picking nozzle can move between the pelletizing station slot and the assembly station.

[0015] Furthermore, the belt feeding mechanism comprises a belt feeding support, a belt feeding adjustment plate arranged on the belt feeding support, the belt feeding adjustment block is driven by a belt feeding slide cylinder on the belt feeding adjustment plate, a belt feeding pawl is hingedly arranged on the belt feeding adjustment block, a belt feeding bottom groove plate is arranged at the lower side of the belt feeding pawl, the belt feeding bottom groove plate is arranged on a punching base, the belt feeding pawl acts on the upper belt hole of the terminal material belt, so that the terminal material belt is transferred to the middle of the two punching bases in the belt feeding groove of the belt feeding bottom groove plate; along the terminal material belt transfer direction, a material belt feeding outlet block and a punching lower die are arranged at the end of the punching base, and the rear side of the terminal material belt is attached to the material belt feeding outlet block to reach the punching station at the end of the punching lower die; A lower die ejection block is arranged at the front side of the punching lower die corresponding to the punching station, the lower die ejection block is arranged at the upper end of a lower die ejection slide block, and the lower die ejection slide block is arranged in the ejection spring slide groove of the punching base.

[0016] Furthermore, the two tape feeding mechanisms transfer the terminal material tapes towards each other, and the terminal punching mechanism is arranged on the tape feeding support of one of the tape feeding mechanisms, and the terminal punching mechanism includes a punching seat plate arranged on the tape feeding support, and a punching slide and a punching slide rod are arranged on the punching seat plate, and the punching slide rod is driven by a punching cylinder to move vertically in the punching slide, and a punching upper die adjustment seat is arranged at the lower end of the punching slide rod, and two punching upper modules are arranged on the punching upper die adjustment seat, each of the punching upper modules is arranged with a punching upper die and a press ejection block, and the upper end of the press ejection block is arranged at a press die spring station in the punching upper module, and the lower end of the punching upper die corresponds to the punching notch of the press ejection block, and the punching notches correspond to the punching stations respectively.

[0017] Furthermore, the assembly positioning mechanism is arranged on the front side of the punching station, and the terminal transfer mechanism is arranged on the rear side, and the terminal transfer mechanism includes a transfer and insertion slide and a transfer and insertion cylinder arranged on the table panel, and the transfer and insertion cylinder drives a transfer and insertion slide to reciprocate in the transfer and insertion slide, and a terminal clamping slide is arranged on the transfer and insertion slide through a transfer and insertion support, and a terminal clamping gear and a group of clamping rack slides are arranged in the terminal clamping slide, and a transfer and insertion lower clamp and a transfer and insertion upper clamp are respectively installed on the upper end of the clamping rack slide, and one of the clamping rack slides is driven by a terminal clamping cylinder, and the transfer and insertion lower clamp and the transfer and insertion upper clamp clamp the middle position of the terminals on both sides of the punching station from the vertical direction, and after the two terminals are cut off from the terminal strip, they are inserted into the resistor sheet electrode position on the assembly station through the transfer and insertion slide.

[0018] Furthermore, the assembly positioning mechanism includes an assembly station base, an assembly station block is arranged on the upper end of the assembly station base, the assembly station is arranged on the assembly station block, pin blocks and pin positioning cylinders are respectively arranged on both sides of the assembly station, a pin swinging pressure block is arranged on the rear side of the assembly station, the pin swinging pressure block is hingedly arranged on the assembly station base, and is driven to swing by a pin clamping cylinder.

[0019] Furthermore, the clip feeding mechanism includes an assembly and discharge base plate fixed to the table panel and a transverse connecting support, the transverse connecting support is arranged on the assembly and discharge base plate through a discharge guide rail slider pair, the transverse connecting support is provided with a guide rod slide, the guide rod slide is provided with a clip seat plate, the clip seat plate is driven up and down by a discharge vertical movement cylinder, a clamping cylinder is provided on the clip seat plate, a clamping clamp is provided at the working end of the clamping cylinder, and the transverse connecting support is driven by a discharge transverse movement cylinder to move transversely on one side of the assembly station so that the clamp is clamped to the middle position between the two terminals.

[0020] Furthermore, the braided tape gluing mechanism comprises a braided tape base arranged on the table panel, a glue pressing bottom groove is arranged on the upper end of the braided tape base; a paper tape introduction seat is connected to one side of the braided tape base, and the paper tape introduction seat is provided with a paper tape introduction groove and a paper tape introduction roller which are connected to the glue pressing bottom groove; a tape feeding guide wheel is also arranged on one side of the glue pressing bottom groove through a tape introduction block, and a tape introduction pressing plate is also arranged corresponding to the glue pressing bottom groove along the tape feeding direction, and a gluing station is formed on the glue pressing bottom groove on the front side of the tape introduction pressing plate, and the paper tape enters the gluing station from the paper tape introduction groove via the paper tape introduction roller, and the tape enters the gluing station from the tape feeding guide wheel; A glue sticking block is provided above the corresponding glue sticking station, and the glue sticking block is installed at the lower end of a glue sticking slider, and the glue sticking slider is arranged in a glue sticking slide seat on the punching seat plate, and the glue sticking slider is hinged to one end of a glue sticking swing arm through a glue sticking joint bearing, and the glue sticking swing arm is installed on the punching seat plate, and the other end of the glue sticking swing arm is hinged to a glue sticking connecting rod, and the glue sticking connecting rod is driven by a glue sticking cam arranged on the driving spindle of the braiding synchronous drive mechanism through a glue sticking rocker arm.

[0021] Furthermore, the active belt-drawing mechanism includes a belt-drawing splitter, an active belt-drawing wheel installed at the output end of the belt-drawing splitter, and an active pressure wheel is arranged vertically above the active belt-drawing wheel, and the resistance braided tape is squeezed and moved forward between the active belt-drawing wheel and the active pressure wheel.

[0022] Furthermore, a braid roller group is arranged between the active pulling mechanism and the upper flux mechanism through a braid guide bracket. The resistor braid is converted from a horizontal position to a vertical direction after passing through the braid roller group and is moved to the upper flux mechanism. The upper flux mechanism includes a flux box and a flux reflow trough arranged on the flux box; a flux delivery pipe is arranged corresponding to the flux reflow trough through a flux delivery support, and the flux circulates between the flux delivery pipe, the flux reflow trough, and the flux box through a flux reflow pump; the resistor braid passes through the flux delivery pipe outlet of the flux reflow trough, so that the flux is sprayed on the resistor sheet on the resistor braid.

[0023] Furthermore, the tin immersion mechanism includes a tin furnace and a tin furnace controller, a tin bath is provided in the tin furnace, and a tin scraper plate is provided on the surface of the tin bath; a tin scraper slide is provided on the rear side of the tin furnace through a tin immersion bottom plate, a tin bath lifting cylinder is provided on the tin scraper slide, and the tin bath lifting cylinder drives the tin bath to move up and down in the tin furnace through a tin bath connecting block; a horizontally sliding tin scraper slide frame is provided in the tin scraper slide, a tin scraper cylinder is provided at one end of the tin scraper slide frame, and a tin scraper connecting block is provided at the other end, and the tin scraper connecting block is connected to the tin scraper plate through a torsion spring shaft.

[0024] Furthermore, the synchronous belt-pulling mechanism includes a twist-out belt-pulling wheel and a twist-out pressure wheel, and the twist-out belt-pulling wheel is arranged at the upper end of a twist-out belt-pulling shaft; along the moving direction of the resistance braid, the twist-out belt-pulling shaft is installed on the front side of the tin-immersion mechanism through a twist-out bearing seat, and the lower end of the twist-out belt-pulling shaft passes through the table panel and is provided with a twist-out belt swing arm, and the twist-out belt swing arm is hinged to one end of the twist-out belt swing arm connecting rod, and the twist-out belt swing arm connecting rod is driven by a twist-out rocker arm in cooperation with a twist-out belt cam arranged on the driving spindle of the braid synchronous drive mechanism.

[0025] Furthermore, along the moving direction of the resistance braid, the cutting and discharging mechanism is arranged at the front side of the synchronous pulling mechanism, and the cutting and discharging mechanism includes a cutting support plate, and the cutting support plate is installed on the table panel through a cutting support, and a cutting cutter is arranged on the cutting support plate through a cutting slider, and a cutting matching block is arranged corresponding to the cutting cutter through a cutting guide block; the resistance braid reaches between the cutting cutter and the cutting matching block through the guide groove of the cutting guide block, and the cutting slider is arranged in a cutting slide, and the cutting cutter and the cutting matching block are driven by a cutting cylinder to cut the resistance braid in a horizontal direction.

[0026] Beneficial effects of the technical solution of the present invention: In the automatic assembly, braiding and tinning equipment for chip resistors in the embodiment of the present invention, a ceramic substrate is automatically loaded and split into resistor chips by a loading and degranulating mechanism, a terminal braid is automatically loaded and punched by a tape feeding mechanism and a terminal punching mechanism to obtain two terminals, the resistor chip and the two terminals are automatically assembled after being transferred to an assembly station, and then the assembled resistor chip is formed into a resistor braid between an adhesive tape and a paper tape, the resistor braid is intermittently transferred, punched, tinned and welded in turn, and then cut and discharged, thereby realizing automatic loading, processing and assembly, welding and braiding and discharging of the resistor chip and terminals in the double-terminal chip resistor, with a compact structure and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 The three-dimensional structure of the chip resistor automatic assembly tape tinning equipment of the embodiment of the present invention Figure 1 ; Figure 2 The three-dimensional structure of the chip resistor automatic assembly tape tinning equipment of the embodiment of the present invention Figure 2 ; Figure 3 The three-dimensional structure diagram of the chip resistor automatic assembly tape tinning equipment of the embodiment of the present invention is partially omitted; Figure 4 The three-dimensional structure of the feeding and disassembling mechanism of the embodiment of the present invention is partially decomposed Figure 1 ; Figure 5 The three-dimensional structure of the feeding and disassembling mechanism of the embodiment of the present invention is partially decomposed Figure 2 ; Figure 6 A three-dimensional decomposition structure diagram of the disassembly part of an embodiment of the present invention; Figure 7 It is a cross-sectional structural diagram of the disassembly part of an embodiment of the present invention; Figure 8 The three-dimensional structure of the transfer assembly feeding part of the embodiment of the present invention Figure 1 ; Fig. 9 The three-dimensional structure of the transfer assembly feeding part of the embodiment of the present invention Figure 2 ; Fig.10 It is a three-dimensional structural diagram of the terminal strip punching and transferring part of an embodiment of the present invention; Fig.11 It is a three-dimensional structural diagram of the terminal punching and transferring part of an embodiment of the present invention; Fig.12 is a three-dimensional partial exploded structural diagram of a belt feeding mechanism according to an embodiment of the present invention; Fig.13 is a three-dimensional exploded structural diagram of a terminal punching structure according to an embodiment of the present invention; Fig.14 is a three-dimensional exploded structural diagram of a terminal transfer mechanism according to an embodiment of the present invention; Fig.15 The three-dimensional structure of the braided tape, glued, punched and drawn tape part of the embodiment of the present invention Figure 1 ; Fig.16The three-dimensional structure of the braided tape, glued, punched and drawn tape part of the embodiment of the present invention Figure 2 ; Fig.17 The three-dimensional structure of the braided tape, glued, punched and drawn tape part of the embodiment of the present invention Figure 3 ; Fig.18 is a three-dimensional exploded structural diagram of a braid punching mechanism according to an embodiment of the present invention; Fig.19 It is a three-dimensional structural diagram of the tin-immersion cutting and discharging part of an embodiment of the present invention; Fig. 20 The three-dimensional decomposition structure of the tin-immersion cutting and discharging part of the embodiment of the present invention Figure 1 ; Fig.21 The three-dimensional decomposition structure of the tin-immersion cutting and discharging part of the embodiment of the present invention Figure 2 ; Fig. 22 This is a front view of a double-terminal chip resistor according to an embodiment of the present invention; Fig.23 3D decomposition diagram of a two-terminal chip resistor according to an embodiment of the present invention; Among them, 10-equipment body, 11-main frame, 12-table panel, 13-waste box, 14-terminal feeding guide wheel, 15-electric control box, 16-taping roller group, 17-taping guide bracket; 20-feeding and pelletizing mechanism, 21-feeding support, 22-transmission seat plate, 23-feeding sensor, 24-feeding pressure roller, 25-transmission limit baffle, 26-conveyor belt assembly, 27-feeding motor, 28-feeding transmission group; 29-particle disassembly connection seat, 291-limiting pressing groove, 292-swing installation station groove; 210-grain disassembling swing block, 2101-grain disassembling station slot, 2102-grain disassembling stopper, 2103-movable mounting slot, 2104-swinging clearance block, 2105-chip removal slot; 211-swing seat plate, 2111-swing action arm, 212-swing shaft, 213-grain disassembling movable block, 2131-spring accommodating movable part, 2132-grain disassembling positioning platform; 214-movable pressing block, 215-pushing cylinder, 216-reset spring station, 217-swinging cylinder, 218-grain dismantling limit block, 219-swinging adjustment screw, 220-grain dismantling in place sensor; 221-pressing support, 222-particle disassembling and pressing swing arm, 223-swing arm mounting block, 224-pressing cylinder, 225-pressing cylinder mounting block, 226-pressing return spring station; 227-substrate trough, 228-trough support plate, 2281-push block guide groove, 229-push sheet rodless cylinder, 230-push sheet connecting block, 231-push sheet block, 232-push sheet mounting plate, 233-push sheet protective cover; 30-rotating film feeding mechanism, 31-sleeve seat, 32-film feeding shaft, 33-rotating limit ring, 331-rotating limit stopper, 34-feeding cylinder, 35-feeding suction nozzle, 36-rotating connecting block, 37-rotating cylinder, 38-rotating cylinder plate, 39-rotating film feeding stopper; 40-Terminal unwinding machine; 50-belt feeding mechanism, 51-belt feeding support, 52-belt feeding adjustment plate, 53-belt feeding slide cylinder, 54-belt feeding adjustment block, 55-belt feeding pawl, 56-belt feeding anti-retraction mounting block, 57-belt feeding anti-retraction pawl, 58-pawl reset spring station, 59-belt feeding sensor, 510-belt feeding bottom slot plate, 5101-belt feeding slot, 511-belt feeding cover plate, 512-punching base, 5121-ejection spring slide, 513-belt feeding outlet block, 514-punching lower die, 5141-giving way chip removal groove, 515-lower die ejection block, 516-lower die ejection slider, 517-ejection slide cover; 60-terminal punching mechanism, 61-punching seat plate, 62-punching cylinder, 63-punching slide seat, 64-punching slide rod, 65-punching upper die adjustment seat, 66-punching upper module, 661-pressing die spring station, 67-punching upper die, 68-pressing ejection block, 681-punching notch; 70-terminal transfer mechanism, 71-transfer insertion slide, 72-transfer insertion slider, 73-transfer insertion cylinder, 74-transfer insertion support, 75-terminal clamping slide, 76-terminal clamping cylinder, 77-insertion vertical adjustment screw, 78-clamping rack slide bar, 79-terminal clamping gear, 710-transfer insertion lower clamp, 7101-V-shaped clamping groove, 711-transfer insertion upper clamp, 712-insertion clamp movable block; 80-assembly positioning mechanism, 81-assembly station base, 82-assembly station block, 821-assembly station, 83-pin stopper, 84-pin positioning cylinder, 85-pin swinging pressure block, 86-pin pressing cylinder, 87-assembly station sensor; 90-clip feeding mechanism, 91-assembly feeding bottom plate, 92-feeding guide rail slider pair, 93-feeding transverse movement cylinder, 94-transverse movement connecting support, 95-guide rod slide seat, 96-clip seat plate, 97-feeding vertical movement cylinder, 98-grip cylinder, 99-clip clamp, 910-transverse movement limit screw; 100-tape-braiding synchronous drive mechanism, 101-driving spindle, 102-spindle seat, 103-belt-pulling transmission group, 104-glue-sticking cam, 105-glue-sticking rocker arm, 106-punching cam, 107-punching rocker arm, 108-twist-out belt cam, 109-twist-out rocker arm, 1010-driving motor, 1011-spindle transmission group, 1012-rotation sensing component; 110-paper tape feeding mechanism, 111-paper tape reel assembly, 112-paper tape feeding guide wheel, 113-paper tape feeding monitoring assembly; 120-tape feeding mechanism, 121-tape reel assembly, 122-tape feeding guide wheel, 123-tape feeding monitoring assembly; 130-tape braiding and gluing mechanism, 131-tape braiding base, 13101-gluing bottom groove, 132-paper tape introduction seat, 1321-paper tape introduction groove, 133-paper tape introduction roller, 134-tape tensioning arm, 135-tape introduction block, 136-tape introduction pressure plate, 137-gluing block, 138-gluing slider, 139-gluing slider, 1310-gluing joint bearing, 1311-gluing swing arm, 1312-gluing connecting rod, 1313-gluing block, 1314-gluing spring rod, 1315-gluing mounting block; 140- braid punching mechanism, 141- punching support, 14101- waste discharge hole; 142-punching seat, 1421-punching station slot, 143-punching adjustment screw, 144-punching needle, 145-needle sleeve, 146-punching kit, 147-punching needle end, 148-punching limit block, 149-punching clamping block, 1491-punching clamping spring station; 1410-punching return block, 1411-punching swing arm, 1412-swing arm support, 1413-punching connecting rod; 150-active belt-drawing mechanism, 151-active belt-drawing wheel, 152-belt-drawing divider, 153-active clamping wheel, 154-active clamping adjustment slider, 155-active clamping adjustment seat, 156-active clamping spring, 157-active clamping adjustment screw; 160 - upper flux mechanism, 161 - flux box, 162 - flux reflow tank, 163 - flux delivery pipe, 164 - flux delivery support, 165 - flux reflow pump; 170-tinning mechanism, 171-tin furnace, 172-tin furnace controller, 173-tin bath, 174-tin bath connecting block, 175-tin bath lifting cylinder, 176-tin scraping slide seat, 177-tin scraping slide rod frame, 178-tin scraping cylinder, 179-tinning bottom plate, 1710-tin scraping plate, 1711-torsion spring shaft, 1712-tin scraping block, 1713-block cylinder, 1714-tin bath lifting limit block, 1715-tin scraping connecting block; 180-synchronous belt-drawing mechanism, 181-twist out the belt-drawing wheel, 182-twist out the clamping wheel, 183-twist out the clamping adjustment slider, 184-twist out the clamping adjustment seat, 185-twist out the clamping spring, 186-twist out the clamping adjustment screw, 187-twist out the guide block, 188-twist out the support wheel, 189-twist out the clamping connection support, 1810-twist out the belt-drawing shaft, 1811-twist out the bearing seat, 1812-twist out the belt swing arm, 1813-twist out the belt thrust arm, 1814-twist out the belt swing arm connecting rod; 190-cutting discharging mechanism, 191-cutting support, 192-cutting support plate, 193-cutting cutter, 194-cutting matching block, 195-cutting slide block, 196-cutting slide seat, 197-cutting cylinder, 198-cutting guide block, 1981-guide groove, 199-cutting support wheel, 1910-cutting adjustment handle; 200-chip resistor, 201-resistance chip, 202-terminal, 203-package shell; 300-display controller; 400-ceramic substrate; 500-terminal strip, 501-strip hole; 600-paper tape; 700-Tape. DETAILED DESCRIPTION

[0029] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] like Figure 1 , 22 As shown in Figures 23, the chip resistor 200 involved in the embodiment of the present invention includes a resistor 201, two terminals 202, and a packaging shell 203 covering the resistor 201. The terminals 202 can be automatically mass-produced by stamping, punching, etc. to form a terminal strip 500, and the resistor 201 is obtained by printing, coating, sintering, and then scratching and cracking on a ceramic substrate 400; the purpose of the present invention is to solve the technical problems of poor quality and low production efficiency when assembling and welding the terminals 202 and the resistor 201 manually.

[0031] Example 1

[0032] like Figure 1 , 2As shown, an embodiment of the present invention provides an automatic assembly and tinning equipment for chip resistors, including an equipment body 10, an assembly station is set on the table panel 12 of the equipment body 10 through an assembly positioning mechanism 80; a loading and degranulating mechanism 20 splits a ceramic substrate 400 into resistor sheets, and the resistor sheets are placed from one side to the assembly station through a rotating sheet feeding mechanism 30; a terminal transfer mechanism 70 is set at the front end of the assembly station, and a tape feeding mechanism 50 is respectively set on both sides of the terminal transfer mechanism 70, and the terminal material tape 500 on the terminal unwinding machine 40 is respectively transferred from both sides to between the terminal transfer mechanism 70 and the assembly station, and is cut by a terminal punching mechanism 60 to form two terminals, and the terminal transfer mechanism 70 inserts the two terminals into the electrode position of the resistor sheet, and a clamping sheet feeding mechanism 90 is used on the other side of the assembly station to clamp and transfer the assembled resistor sheet to the tape gluing mechanism 130; The tape gluing mechanism 130 sticks the two free ends of the terminals of the resistor between the paper tape 600 and the tape 700 to form a resistor tape. The resistor tape passes through an active tape pulling mechanism 150 and then enters the upper flux mechanism 160 and the tinning mechanism 170 to tin-weld the two terminals at the electrode positions of the resistor. After that, the resistor tape passes through a synchronous tape pulling mechanism 180 and enters the cutting and discharging mechanism 190 to cut and collect the material according to a preset length.

[0033] Specifically, the equipment body 10 includes a main frame 11, and the table panel 12 is arranged on the main frame 11; the two terminal unwinding machines 40 are respectively arranged on one side of the main frame 11 and inside the main frame 11, and the terminal material tape 500 passes through a plurality of terminal feeding guide wheels 14 from the two terminal unwinding machines 40 and enters the tape feeding mechanism 50 on the table panel 12 respectively; the main frame 11 is also provided with a paper tape feeding mechanism 110 and a tape feeding mechanism 120, and the paper tape 600 enters the glue pressing bottom groove of the braiding and gluing mechanism 130 from the paper tape feeding mechanism 110, and the adhesive tape 700 enters the upper side of the paper tape 600 of the glue pressing bottom groove from the tape feeding mechanism 120.

[0034] like Figure 3 As shown, the paper tape feeding mechanism 110 includes a paper tape reel assembly 111 disposed on one side of the main frame 11, and a plurality of paper tape feeding guide wheels 112 disposed on the table panel 12; the paper tape 600 enters the braiding and gluing mechanism 130 from the paper tape reel assembly 111 through the plurality of paper tape feeding guide wheels 112. A paper tape feeding monitoring assembly 113 is also disposed on the paper tape feeding path.

[0035] like Figure 3As shown, the tape feeding mechanism 120 includes a tape reel assembly 121 disposed on one side of the support of the display controller 300. The tape 700 enters the braiding and gluing mechanism 130 from the tape reel assembly 121 through a plurality of tape feeding guide wheels 122. A tape feeding monitoring assembly 123 is also disposed on the tape feeding path.

[0036] like Fig.15 , 18 As shown, a braid punching mechanism 140 is also provided at the rear side of the braid gluing mechanism 130 , and the resistor braid enters the braid punching mechanism 140 from the braid gluing mechanism 130 for synchronous punching, and the resistor braid after punching enters the active pulling mechanism 150 .

[0037] Specifically, the braid punching mechanism 140 includes a punching support 141, a punching seat 142 disposed on the punching support 141, a punching station slot 1421 is disposed in the punching seat 142, a plurality of punching needles 144 are disposed on the upper side of the punching station slot 1421 through a needle sleeve 145, and a punching kit 146 is disposed on the lower side of the punching station slot 1421 corresponding to the punching needle 144, and a punching needle end 146 is disposed on the upper end of the punching needle 144. 47, the punch needle end 147 is arranged at one end of a punching return block 1410 and a punching swing arm 1411, the punching swing arm 1411 is installed on the rear side of the punching support 141 through a swing arm support 1412, the other end of the punching swing arm 1411 is hinged with a punching connecting rod 1413, and the punching connecting rod 1413 is driven by a punching rocker arm 107 and a punching cam arranged on the driving spindle of the braiding synchronous drive mechanism 100.

[0038] Optionally, a punching limit block 148 is provided on the front side of the punching station slot 1421, and the resistor tape is compressed in the punching station slot 1421 via a punching clamping block 149, and a punching clamping spring (not shown) is provided at the upper end of the punching clamping block 149 via a plurality of punching clamping spring stations 1491, and the punching clamping block 149 is vertically elastically arranged in the punching station slot 1421.

[0039] Optionally, the punching support 141 is provided with a waste discharge hole 14101 connected to the punching kit 146 .

[0040] like Figure 15-17As shown, a braiding synchronous drive mechanism 100 is arranged in the main frame 11, and the braiding synchronous drive mechanism 100 includes a driving motor 1010, a driving spindle 101, and a rotation sensing component 1012. The driving spindle 101 drives the active belt-drawing mechanism 150 through a belt-drawing transmission group 103. The driving spindle 101 is provided with a glue-applying cam 104, a punching cam 106, and a belt-twisting cam 108. As the driving spindle 101 rotates, the braiding glue-applying mechanism 130, the braid punching mechanism 140, and the synchronous belt-drawing mechanism 180 are synchronously driven.

[0041] Specifically, the braiding synchronous drive mechanism 100 includes the driving spindle 101 installed on the lower side of the table panel 12 through a plurality of spindle seats 102, the driving motor 1010 is connected to the driving spindle 101 through a spindle transmission group 1011, the gluing cam 104 of the driving spindle 101 drives the gluing connecting rod 1312 of the braiding gluing mechanism 130 through a gluing rocker arm 105, the punching cam 106 of the driving spindle 101 is connected to drive the punching connecting rod 1413 of the braiding punching mechanism 140 through a punching rocker arm 107; the drawing belt transmission group 103 of the driving spindle 101 is connected to the drawing belt divider 152 of the active drawing belt mechanism 150; the twisting belt cam 108 of the driving spindle 101 is connected to drive the twisting belt swing arm connecting rod 1814 of the synchronous drawing belt mechanism 180 through a twisting-out rocker arm 109.

[0042] like Figure 4-7As shown, the feeding and pelletizing mechanism 20 includes a feeding support 21, a conveying seat plate 22 arranged on the feeding support 21, and a feeding motor 27. A conveyor belt assembly 26 is arranged on the conveying seat plate 22, and the feeding motor 27 is connected to drive the conveyor belt assembly 26 through a feeding transmission group 28; along the conveying direction of the conveyor belt assembly 26, a pelletizing connecting seat 29 is arranged at the end of the conveying seat plate 22, and a pelletizing swing block 210 installed in the pelletizing connecting seat 29 through a swing shaft 212 is arranged, a swing seat plate 211 is connected to the lower part of the pelletizing swing block 210, and a pelletizing movable block 213 is arranged on the swing seat plate 211; a limited clamping groove 291 is arranged on the pelletizing connecting seat 29, and a contact with the limited clamping groove 29 is arranged on the pelletizing swing block 210 1 is connected to the corresponding grain disassembling station slot 2101, the grain disassembling movable block 213 is provided with a movable pressing block 214 corresponding to the grain disassembling station slot 2101, a grain disassembling reset spring (not shown) is provided between the grain disassembling movable block 213 and the grain disassembling connecting seat 29, and the movable pressing block 214 is combined with or separated from the grain disassembling station slot 2101 through a pushing cylinder 215; the ceramic substrate 400 enters the limiting pressing groove 291 from the conveyor belt assembly 26 and reaches the grain disassembling station slot 2101, and the ceramic substrate 400 is fixed in the limiting pressing groove 291 through a grain disassembling pressing swing arm 222, and the swing seat plate 211 is struck by a swing cylinder 217 and drives the grain disassembling swing block 210 to swing downward, and the ceramic substrate 400 is cracked along the scratch portion to form a resistor 201.

[0043] Optionally, along the conveying direction of the conveyor belt assembly 26, a trough support plate 228 is connected to the front end of the conveying seat plate 22, a push block guide groove 2281 is opened on the trough support plate 228 corresponding to the conveyor belt assembly 26, a push block 231 is arranged in the push block guide groove 2281, a substrate trough 227 is arranged on the upper side of the push block guide groove 2281, and ceramic substrates 400 are placed in the substrate trough 227 in a stacked manner, and a push rodless cylinder 229 is arranged on the lower side of the trough support plate 228 through a push sheet mounting plate 232, and the push sheet rodless cylinder 229 drives the push sheet block 231 through a push sheet connecting block 230 to push the ceramic substrate 400 that falls into the push block guide groove 2281 into the conveyor belt assembly 26.

[0044] Optionally, a sheet pushing protective cover 233 covering the sheet pushing block 231 is further provided on the front side of the substrate material slot 227 .

[0045] Optionally, a conveying limit baffle 25 is provided on the conveying seat plate 22 along both sides of the conveyor belt assembly 26 , and a feeding sensor 23 and a feeding pressure roller 24 are provided on the conveying limit baffle 25 .

[0046] When using, Figure 4 , 5 As shown, a ceramic substrate 400 having a resistor film, a protective film and an electrode is pre-printed, and a scratch portion is processed and set on the ceramic substrate 400 according to the specifications of the resistor sheet; the ceramic substrate 400 enters the limiting and pressing groove 291 of the grain disassembling connection seat 29 through the conveyor belt assembly 26, and the front end of the ceramic substrate 400 reaches the grain disassembling station groove 2101 on the grain disassembling swing block 210, and the ceramic substrate 400 is pressed in the limiting and pressing groove 291, and as the grain disassembling swing block 210 swings downward, the ceramic substrate 400 is cracked along the scratch portion to form resistor sheets, which is similar to the action of breaking open a thin sheet, with a small amplitude and a compact structure.

[0047] Specifically, the limiting and clamping groove 291 is arranged on the upper side of the grain-disassembling connecting seat 29, and the grain-disassembling limiting blocks 218 are arranged on both sides of the limiting and clamping groove 291 respectively. A swing installation station groove 292 is arranged below the limiting and clamping groove 291, and the grain-disassembling swing block 210 is installed in the swing installation station groove 292 through the swing shaft 212.

[0048] Specifically, along the conveying direction of the ceramic substrate 400, one side of the disassembling station slot 2101 of the disassembling swing block 210 corresponds to the limiting pressing slot 291, and the other side is provided with a disassembling stopper 2102, and a chip removal slot 2105 is formed between the disassembling stoppers 2102. The chip removal slot 2105 is located at the front end of the ceramic substrate 400, and along with the conveying action, the debris generated by disassembling falls from the chip removal slot 2105 to the bottom of the mechanism.

[0049] Optionally, the disassembling swing block 210 is provided with swinging blocks 2104 at both ends perpendicular to the conveying direction of the ceramic substrate 400. The swinging blocks 2104 are used to avoid mutual interference with the disassembling connection seat 29 when the disassembling swing block 210 swings downward.

[0050] like Figure 4 , 7 As shown, a movable mounting groove 2103 is arranged between the grain-demolishing swing block 210 and the swing seat plate 211, and the spring accommodating movable part 2131 of the grain-demolishing movable block 213 cooperates with the movable mounting groove 2103, and a grain-demolishing reset spring station 216 is arranged in the spring accommodating movable part 2131 for installing the grain-demolishing reset spring (not shown).

[0051] like Figure 4 , 5 As shown, the pushing block cylinder 215 is set at the rear end of the swing seat plate 211 through the cylinder mounting block. The pushing block cylinder 215 extends out to push the grain-separating movable block 213 to combine with the grain-separating swing block 210. After the pushing block cylinder 215 contracts, the grain-separating return spring separates the grain-separating movable block 213 from the grain-separating swing block 210.

[0052] Specifically, the grain-detaching movable block 213 is provided with a grain-detaching positioning platform 2132 corresponding to the grain-detaching work station slot 2101, and the movable pressing block 214 is arranged on the upper part of the grain-detaching positioning platform 2132. When the grain-detaching movable block 213 is combined with the grain-detaching swing block 210, the movable pressing block 214 covers the front end of the scratched part of the ceramic substrate 400 and restricts it within the grain-detaching work station slot 2101.

[0053] Optionally, the disassembling positioning platform 2132 is further provided with a disassembling position sensor 220 corresponding to the disassembling station slot 2101. The disassembling position sensor 220 is a proximity switch or an induction optical fiber.

[0054] like Figure 4-7 As shown, along the conveying direction of the ceramic substrate 400, an extension portion is provided between the grain demolition station groove 2101 and the side of the grain demolition stop block 2102. When the grain demolition movable block 213 is combined with the grain demolition swing block 210, the movable pressing block 214 covers the front end of the first scratch portion of the ceramic substrate 400 and restricts it within the grain demolition station groove 2101, and a gap is formed between the front end of the ceramic substrate 400 and the grain demolition stop block 2102.

[0055] like Figure 4 , 5 As shown, the swing cylinder 217 is fixed to the lower side of the grain-detaching connecting seat 29 through a cylinder mounting seat, and a swing arm 2111 is extended from the lower side of the swing seat plate 211. The swing cylinder 217 hits the swing arm 2111 to drive the grain-detaching swing block 210 to swing, so that the grain-detaching station groove 2101 of the grain-detaching swing block 210 swings downward and separates from the limiting clamping groove 291 of the grain-detaching connecting seat 29, and causes the ceramic substrate 400 to crack along the scratch portion at the grain-detaching position.

[0056] When in use, the swing cylinder 217 hits the swing arm 2111 to drive the grain-detaching swing block 210 to swing, and at the same time squeezes the grain-detaching reset spring. When the swing cylinder 217 contracts, the grain-detaching reset spring reconnects the grain-detaching station slot 2101 of the grain-detaching swing block 210 with the limiting clamping slot 291 of the grain-detaching connecting seat 29.

[0057] Optionally, the grain stripping connection seat 29 is provided with a swing adjusting screw 219 in the swing mounting station slot 292 corresponding to the grain stripping swing block 210 or the swing seat plate 211 for adjusting the swing amplitude.

[0058] like Figure 4-7As shown, one end of the grain-detaching and pressing swing arm 222 is hinged on the swing arm mounting block 223, and the swing arm mounting block 223 is fixed on the pressing support 221. A pressing cylinder 224 is arranged on the upper side corresponding to the grain-detaching and pressing swing arm 222. The pressing cylinder 224 is fixed to the pressing support 221 through a pressing cylinder mounting block 225. A pressing return spring station 226 is arranged between the pressing cylinder mounting block 225 and the grain-detaching and pressing swing arm 222 for installing a pressing return spring (not shown).

[0059] Initially, under the action of the pressing and restoring spring, the pelletizing pressing and swinging arm 222 is away from the limiting pressing groove 291 of the pelletizing connecting seat 29. During pelletizing, the pressing cylinder 224 drives the pelletizing pressing and swinging arm 222 to swing downward and press and fix the ceramic substrate 400 in the limiting pressing groove 291. The pressing support 221 can be fixed to the table plate, the pelletizing connecting seat or the end of the conveying seat plate.

[0060] like Figure 8 , 9 As shown, the rotating film feeding mechanism 30 includes a sleeve seat 31, a film feeding shaft 32 arranged in the sleeve seat 31, a material picking cylinder 34 is arranged at the upper end of the film feeding shaft 32, a material picking nozzle 35 is arranged at the working end of the material picking cylinder 34, and the lower end of the film feeding shaft 32 is connected to the rotary cylinder 37 through a rotating connecting block 36; a rotation limit ring 33 is arranged at the upper end of the sleeve seat 31, and a rotation limit block 331 is arranged on the rotation limit ring 33, so that the material picking nozzle 35 can move between the pelletizing station slot and the assembly station.

[0061] Optionally, a rotary cylinder plate 38 is installed on the rotary cylinder 37 , and a rotary sheet-feeding blocking rod 39 is provided on the lower side of the table panel 12 corresponding to the rotary cylinder plate 38 .

[0062] Initially, the ceramic substrate arrives at the grain demolition connecting seat under the transport of the conveyor belt assembly. Under the action of the grain demolition reset spring, the grain demolition station slot of the grain demolition swing block is connected and combined with the limiting clamping slot of the grain demolition connecting seat, and the pushing block cylinder is in a contracted state. Under the action of the grain demolition reset spring, the grain demolition movable block and the grain demolition swing block are in a separated state, and the movable pressing block deviates from the grain demolition station slot and is exposed directly above the grain demolition station slot.

[0063] First, the push block cylinder extends out and compresses the grain dismantling return spring, the grain dismantling movable block is combined with the grain dismantling swing block, and the movable pressing block covers the top of the grain dismantling station slot.

[0064] Secondly, when the ceramic substrate reaches the grain demolition station slot, the movable pressing block blocks the front end of the ceramic substrate, and the front end of the ceramic substrate is restricted in the grain demolition station slot, and a gap is formed between the front end of the ceramic substrate and the grain demolition stop block. After sensing that the front end of the ceramic substrate is in place, the clamping cylinder drives the grain demolition clamping swing arm to fix the ceramic substrate in the limited clamping slot, triggering the swinging cylinder to hit the swinging action arm of the swinging seat plate, so that the swinging seat plate, the grain demolition swing block, and the grain demolition movable block swing downward along the swing axis at the same time, and the ceramic substrate cracks along the scratch part at the connecting position of the grain demolition station slot and the limited clamping slot to form a resistor.

[0065] Then, under the action of the grain-stripping reset spring, the grain-stripping station slot of the grain-stripping swing block and the limiting pressing slot of the grain-stripping connecting seat are restored to be connected, the push block cylinder contracts, and the grain-stripping reset spring acts again to separate the grain-stripping movable block from the grain-stripping swing block, and the movable pressing block deviates from the grain-stripping station slot, exposing the resistor on the grain-stripping station slot. After the push block cylinder contracts, the rotary cylinder works to make the material-taking suction nozzle reach the top of the grain-stripping station slot, and the material-taking cylinder contracts to make the suction nozzle move down to suck and transfer the resistor. Finally, after sensing that the resistor on the chip removal station slot has been moved, the clamping cylinder is reset to perform the next chip removal action. Due to the gap between the front end of the ceramic substrate and the chip removal block, the chipped resistor will not be clamped in the chip removal station slot, and the chip removal slot is conducive to the falling of debris.

[0066] like Figure 1 , 2 As shown in 10-12, the belt feeding mechanism 50 includes a belt feeding support 51, a belt feeding adjustment plate 52 arranged on the belt feeding support 51, the belt feeding adjustment plate 52 drives the belt feeding adjustment block 54 through the belt feeding slide cylinder 53, the belt feeding adjustment block 54 is hingedly provided with a belt feeding pawl 55, and a belt feeding bottom groove plate 510 is arranged on the lower side of the belt feeding pawl 55, and the belt feeding bottom groove plate 510 is arranged on a punching base 512. 55 acts on the upper material strip hole 501 of the terminal material strip 500, so that the terminal material strip 500 is transferred to the middle of the two punching bases 512 in the tape feeding groove 5101 of the tape feeding bottom groove plate 510; along the transfer direction of the terminal material strip 500, the end of the punching base 512 is provided with a material strip feed outlet block 513 and a punching lower die 514, and the rear side of the terminal material strip 500 is attached to the material strip feed outlet block 513 to reach the punching station at the end of the punching lower die 514; A lower die ejection block 515 is provided at the front side of the punching lower die 514 corresponding to the punching station. The lower die ejection block 515 is arranged on the upper end of a lower die ejection slider 516. The lower die ejection slider 516 is arranged in the ejection spring slide groove 5121 of the punching base 512.

[0067] Optionally, an ejection slot cover 517 is provided corresponding to the ejection spring slot 5121 .

[0068] Optionally, at the punching station, a chip removal groove 5141 is provided on the punching lower die 514 and the punching base 512 , and a waste box 13 is correspondingly provided under the table panel 12 .

[0069] Optionally, a tape cover plate 511 is provided corresponding to the tape feeding groove 5101, and a tape anti-retraction pawl 57 and a tape sensor 59 are also provided on the rear side of the tape feeding pawl 55 along the moving direction of the terminal material strip 500. The tape anti-retraction pawl 57 is hingedly mounted on the tape feeding adjustment plate 52 through a tape anti-retraction mounting block 56, and the tape anti-retraction pawl 57 cooperates with the tape hole 501 of the terminal material strip 500.

[0070] Optionally, a pawl return spring (not shown) is installed between the belt feeding adjustment block 54 and the belt feeding pawl 55 via a pawl return spring station 58; a pawl return spring (not shown) is also installed between the belt feeding anti-retraction installation block 56 and the belt feeding anti-retraction pawl 57 via a pawl return spring station 58.

[0071] like Fig.11 , 13 As shown, the two tape feeding mechanisms 50 transfer the terminal material tape 500 toward each other, and the terminal punching mechanism 60 is arranged on the tape feeding support 51 of one of the tape feeding mechanisms 50, and the terminal punching mechanism 60 includes a punching seat plate 61 arranged on the tape feeding support 51, and the punching seat plate 61 is provided with a punching slide 63 and a punching slide rod 64, and the punching slide rod 64 is driven by a punching cylinder 62 to move vertically in the punching slide 63, and the punching slide rod 64 A punching upper die adjustment seat 65 is provided at the lower end, and two punching upper modules 66 are provided on the punching upper die adjustment seat 65. A punching upper die 67 and a press ejection block 68 are provided in each of the punching upper modules 66. The upper end of the press ejection block 68 is provided at a press die spring station 661 in the punching upper module 66. The lower end of the punching upper die 67 corresponds to the punching notch 681 of the press ejection block 68, and the punching notches 681 correspond to the punching stations respectively.

[0072] like Figure 2 , 14As shown, the assembly positioning mechanism 80 is arranged at the front side of the punching station, and the terminal transfer mechanism 70 is arranged at the rear side. The terminal transfer mechanism 70 includes a transfer insertion slide 71 and a transfer insertion cylinder 73 arranged on the table panel 12. The transfer insertion cylinder 73 drives a transfer insertion slide 72 to reciprocate in the transfer insertion slide 71. A terminal clamping slide 75 is arranged on the transfer insertion slide 72 through a transfer insertion support 74. A terminal clamping gear 79 is arranged in the terminal clamping slide 75 to And a group of clamping rack slides 78, the upper ends of the clamping rack slides 78 are respectively installed with a transfer and insertion lower clamp 710 and a transfer and insertion upper clamp 711, one of the clamping rack slides 78 is driven by a terminal clamping cylinder 76, the transfer and insertion lower clamp 710 and the transfer and insertion upper clamp 711 clamp the middle position of the terminals on the punching stations on both sides from the vertical direction, and after the two terminals are cut off from the terminal strip 500, they are inserted into the resistor electrode position on the assembly station through the transfer and insertion slider 72.

[0073] Optionally, the transfer and insertion slide 71 is provided with an insertion vertical adjustment screw 77 for adjusting the opening and closing center of the transfer and insertion lower clamp 710 and the transfer and insertion upper clamp 711 and the central insertion position of the resistor.

[0074] Optionally, V-shaped clamping grooves 7101 are provided on both sides of the transfer and insertion lower clamp 710 for positioning the clamping position of the terminal; and an insertion clamp movable block 712 is provided on the transfer and insertion upper clamp 711, and the insertion clamp movable block 712 rotates in the horizontal direction. In this way, the two terminals are clamped adaptively in the two V-shaped clamping grooves, because when the lower surface of the insertion clamp movable block contacts the upper surface of the terminal, even if the heights of the upper surfaces of the two terminals are inconsistent, as the transfer and insertion lower clamp and the transfer and insertion upper clamp are closed, one of the terminals is contacted and clamped, and the insertion clamp movable block rotates in the horizontal direction in the transfer and insertion upper clamp to clamp the other terminal.

[0075] like Figure 8 , 9 As shown, the assembly positioning mechanism 80 includes an assembly station base 81, an assembly station block 82 is arranged on the upper end of the assembly station base 81, the assembly station 821 is arranged on the assembly station block 82, pin blocks 83 and pin positioning cylinders 84 are respectively arranged on both sides of the assembly station 821, a pin swinging pressure block 85 is arranged on the rear side of the assembly station 821, and the pin swinging pressure block 85 is hingedly arranged on the assembly station base 81 and driven to swing by a pin clamping cylinder 86.

[0076] Optionally, an assembly station sensor 87 is provided on the assembly station block 82 corresponding to the assembly station 821 .

[0077] like Figure 8 ,9 As shown, the clip feeding mechanism 90 includes an assembly feeding base plate 91 fixed on the table panel 12 and a transverse connecting support 94. The transverse connecting support 94 is arranged on the assembly feeding base plate 91 through a feeding guide rail slider pair 92. A guide rod slide 95 is arranged on the transverse connecting support 94. A clip seat plate 96 is arranged on the guide rod slide 95. The clip seat plate 96 is driven to move up and down by a feeding vertical cylinder 97. A clamping cylinder 98 is arranged on the clip seat plate 96. A clamping clamp 99 is arranged at the working end of the clamping clamp 98. The transverse connecting support 94 is driven by a feeding transverse cylinder 93 to move laterally on one side of the assembly station 821, so that the clamping clamp 99 clamps to the middle position between the two terminals.

[0078] Optionally, transverse limit screws 910 are respectively provided on both sides of the transverse connection support 94 .

[0079] like Figure 15-17 As shown, the braid gluing mechanism 130 includes a braid base 131 arranged on the table panel 12, and a glue pressing bottom groove 13101 is arranged on the upper end of the braid base 131; a paper tape introduction seat 132 is connected to one side of the braid base 131, and the paper tape introduction seat 132 is provided with a paper tape introduction groove 1321 and a paper tape introduction roller 133 connected to the glue pressing bottom groove 13101; a tape feeding guide wheel 122 is also arranged on one side of the glue pressing bottom groove 13101 through a tape introduction block 135, and a tape feeding guide wheel 122 is arranged along the tape A tape introduction plate 136 is also provided in the feeding direction corresponding to the glue pressing bottom groove 13101, and a gluing station is formed on the glue pressing bottom groove 13101 in front of the tape introduction plate 136. The paper tape 600 enters the gluing station from the paper tape introduction groove 1321 via the paper tape introduction roller 133, and the tape 700 enters the gluing station from the plurality of tape feeding guide wheels 122 provided on the punching seat plate 61, one end of a tape tensioning arm 134 and the tape introduction block 135; Corresponding to the gluing station, a gluing block 137 is arranged on the top, and the gluing block 137 is installed at the lower end of a gluing slider 138. The gluing slider 138 is arranged in a gluing slide seat 139 on the punching seat plate 61. The gluing slider 138 is hinged to one end of a gluing swing arm 1311 through a gluing joint bearing 1310. The gluing swing arm 1311 is installed on the punching seat plate. The other end of the gluing swing arm 1311 is hinged to a gluing connecting rod 1312. The gluing connecting rod 1312 is driven by a gluing cam 104 arranged on the driving spindle 101 of the braiding synchronous drive mechanism 100 through a gluing rocker arm 105.

[0080] Optionally, the clip feeding mechanism 90 clamps and transfers the resistor sheet to the gluing station, and the gluing block 137 sticks the two free ends of the resistor sheet terminals between the paper tape 600 and the adhesive tape 700 to form the resistor tape. Along the transfer direction of the resistor tape, a gluing block 1313 is further provided on the gluing bottom groove 13101 after the gluing station. The gluing block 1313 is installed at the lower ends of a plurality of gluing spring rods 1314. The gluing block 1313 is pressed against the resistor tape, and the gluing spring rod 1314 is arranged on one side of the tape base 131 through a gluing mounting block 1315.

[0081] like Figure 15-17 As shown, the active belt-drawing mechanism 150 includes a belt-drawing splitter 152, an active belt-drawing wheel 151 installed at the output end of the belt-drawing splitter 152, and an active pressure wheel 153 is arranged vertically above the active belt-drawing wheel 151. The resistance braided tape is squeezed and moved forward between the active belt-drawing wheel 151 and the active pressure wheel 153.

[0082] Specifically, the active clamping wheel 153 is arranged on an active clamping adjustment slider 154, and the active clamping adjustment slider 154 is installed above the active tensioning wheel 151 through an active clamping adjustment seat 155. An active clamping spring 156 is arranged on the upper end of the active clamping adjustment slider 154, and the active clamping spring 156 is arranged in the active clamping adjustment seat 155 through an active clamping adjustment screw 157.

[0083] like Figure 1 , 18 -21, a braid roller group 16 is provided between the active pulling mechanism 150 and the upper flux mechanism 160 through a braid guide bracket 17, and the resistor braid is converted from a horizontal position to a vertical direction after passing through the braid roller group 16 and is transferred to the upper flux mechanism 160, and the upper flux mechanism 160 includes a flux box 161 and a flux reflow trough 162 provided on the flux box 161; a flux delivery pipe 163 is provided corresponding to the flux reflow trough 162 through a flux delivery support 164, and the flux circulates between the flux delivery pipe 163, the flux reflow trough 162 and the flux box 161 through a flux reflow pump 165; the resistor braid passes through the outlet of the flux delivery pipe 163 of the flux reflow trough 162, so that the flux is sprayed on the resistor sheet on the resistor braid.

[0084] like Figure 18-21As shown, the tin immersion mechanism 170 includes a tin furnace 171 and a tin furnace controller 172. A tin tank 173 is arranged in the tin furnace 171, and a tin scraper plate 1710 is arranged on the surface of the tin tank 173; a tin scraper slide 176 is arranged on the rear side of the tin furnace 171 through a tin immersion bottom plate 179, and a tin tank lifting cylinder 175 is arranged on the tin scraper slide 176, and the tin tank lifting cylinder 175 drives the tin tank 173 to move up and down in the tin furnace 171 through a tin tank connecting block 174; a horizontally sliding tin scraper slide frame 177 is arranged in the tin scraper slide 176, and a tin scraper cylinder 178 is arranged at one end of the tin scraper slide frame 177, and a tin scraper connecting block 1715 is arranged at the other end, and the tin scraper connecting block 1715 is connected to the tin scraper plate 1710 through a torsion spring shaft 1711.

[0085] Optionally, the front end of the torsion spring shaft 1711 is connected to the tin scraper plate 1710 , and the rear end of the torsion spring shaft 1711 is provided with a tin scraper block 1712 , and a block cylinder 1713 is provided on the tin scraper connecting block 1715 corresponding to the tin scraper block 1712 .

[0086] Optionally, another braid roller group 16 is provided between the upper flux mechanism 160 and the tinning mechanism 170 via a braid guide bracket 17. After the resistor braid is sprayed with flux by the upper flux mechanism 160, it enters the tin bath 173 through the braid roller group 16. As the tin bath 173 moves up and down, the resistor sheet on the resistor braid is immersed in the tin liquid, and the two terminals and the electrodes on the resistor sheet are soldered.

[0087] Optionally, a tin bath lifting limit block 1714 is provided corresponding to the tin bath connecting block 174 .

[0088] like Figure 18-21 As shown, the synchronous pulling mechanism 180 includes a twisting-out pulling wheel 181 and a twisting-out pressing wheel 182, and the twisting-out pulling wheel 181 is arranged at the upper end of a twisting-out pulling shaft 1810; along the moving direction of the resistor braid, the twisting-out pulling shaft 1810 is installed on the front side of the tinning mechanism 170 through a twisting-out bearing seat 1811, and the lower end of the twisting-out pulling shaft 1810 passes through the table panel 12 and is provided with a twisting-out belt swing arm 1812, and the twisting-out belt swing arm 1812 is hinged to one end of the twisting-out belt swing arm connecting rod 1814, and the twisting-out belt swing arm connecting rod 1814 is driven by a twisting-out rocker arm 109 and a twisting-out belt cam 108 arranged on the driving spindle 101 of the braid synchronous driving mechanism 100.

[0089] Specifically, the twist-out clamping wheel 182 is arranged on a twist-out clamping adjustment slider 183, and the twist-out clamping adjustment slider 183 is installed on the rear side of the twist-out pulley 181 through a twist-out clamping adjustment seat 184, and the twist-out clamping adjustment seat 184 is installed on the table panel 12 through a clamping connecting support 189. A twist-out clamping spring 185 is arranged on the upper end of the twist-out clamping adjustment slider 183, and the twist-out clamping spring 185 is arranged in the twist-out clamping adjustment seat 184 through a twist-out clamping adjustment screw 186.

[0090] Optionally, a twist-off belt thrust arm 1813 is further provided corresponding to the lower end of the twist-off belt shaft 1810, one end of the twist-off belt thrust arm 1813 is fixed to the table panel 12, and the twist-off belt thrust arm 1813 and the twist-off belt swing arm 1812 are connected to the twist-off belt shaft 1810 via a one-way bearing.

[0091] Optionally, the tinned resistor tape passes through a twist-out guide block 187 and a twist-out support wheel 188 and enters between the twist-out pulley wheel 181 and the twist-out clamping wheel 182 , and the twist-out guide block 187 and the twist-out support wheel 188 are installed on the clamping connection support 189 .

[0092] like Figure 18-21 As shown, along the transfer direction of the resistor braid, the cutting and discharging mechanism 190 is arranged at the front side of the synchronous pulling mechanism 180, and the cutting and discharging mechanism 190 includes a cutting support plate 192, and the cutting support plate 192 is installed on the table panel 12 through a cutting support 191, and a cutting cutter 193 is arranged on the cutting support plate 192 through a cutting slider 195, and a cutting matching block 194 is arranged corresponding to the cutting cutter 193 through a cutting guide block 198; the resistor braid reaches between the cutting cutter 193 and the cutting matching block 194 through the guide groove 1981 of the cutting guide block 198, and the cutting slider 195 is arranged in a cutting slide 196, and the cutting cutter 193 and the cutting matching block 194 are driven by a cutting cylinder 197 to cut the resistor braid in a horizontal direction.

[0093] Optionally, a cutting adjustment handle 1910 is provided on one side corresponding to the cutting support 191 .

[0094] When in use, along the direction of the terminal material strip transfer, the tape feeding mechanisms on both sides push the terminal material strip from the terminal unwinding machine to the punching station, transfer and insert the lower clamp, transfer and insert the upper clamp to open the clamp and clamp the front end of the terminal material strips on both sides at the same time, the pressing and ejecting block moves downward and contacts the terminal material strip, further squeezes the lower die ejecting block and the lower die ejecting slider, and compresses the ejecting spring; after the pressing and ejecting block compresses the die spring, the punching upper die extends out of the punching notch and cooperates with the punching lower die to cut off the terminal material strip, and the punching upper die enters the chip removal groove; the punching cylinder resets to drive the punching upper die and the pressing and ejecting block to move upward, and the die spring resets; the ejecting spring resets, and the pressing and ejecting block ejects the cut terminal upward a small height.

[0095] The rotating feeding mechanism transfers the resistor to the assembly station, the assembly station sensor generates an induction signal, the pin positioning cylinder and the pin pressing cylinder work in sequence, the pin swinging pressure block presses the resistor after positioning it at the assembly station, and the transfer and insertion cylinder works to insert the two terminals on the transfer and insertion lower clamp and the transfer and insertion upper clamp into the electrode position of the resistor.

[0096] The terminal clamping cylinder opens the clamp to release the material, and after the transfer and insertion cylinder is reset, the tape feeding mechanism performs the next terminal punching and cutting action; at the same time, the feeding transverse movement cylinder extends to make the transverse movement connecting support move laterally close to the assembly station, the clamping claw cylinder works to make the clip clamp clamp the middle position of the two terminals, the pin positioning cylinder is reset, the pin pressing cylinder is reset, the pin swinging pressure block releases the resistor, the feeding vertical movement cylinder extends upward to move the resistor upward out of the assembly station, the feeding transverse movement cylinder is reset and drives the assembled resistor to be fed laterally.

[0097] In advance, the paper tape and the adhesive tape are pulled from the paper tape reel assembly and the tape reel assembly through several paper tape feed guide wheels and the tape feed guide wheel to pass through the gluing station, and reach the active pulling wheel and the active pressing wheel through the punching station slot to be squeezed and bonded together to form an empty braided tape. After that, the empty braided tape is converted from horizontal placement to vertical transfer after passing through the braiding roller group, and reaches between the twist-out pulling wheel and the twist-out pressing wheel through the flux reflow tank and the tin tank.

[0098] When the feeding transverse cylinder is reset and a start signal is generated, the drive motor starts and drives the drive spindle to rotate, and the gluing cam drives the gluing block to stick the two terminal free ends of the resistor sheet that arrives at the gluing station between the paper tape and the tape to form a resistor tape; at the same time, the punching cam drives the punch needle to punch holes in the resistor tape; as the spindle rotates, the gluing cam drives the gluing block and the punching cam drives the punch needle to reset, and the spindle continues to rotate and reaches the driving angle of the tape divider, driving the active tape pulley to rotate and pull the tape forward. At the same time, the twisting-out tape cam synchronously drives the twisting-out tape pulley to move the resistor tape forward by a length greater than that of a resistor sheet.

[0099] The rotation sensing component stops and counts after sensing that the driving spindle has rotated one circle; at the same time, the flux reflow pump is always started, and the flux delivery pipe sprays flux to the resistor piece passing through the flux reflow tank.

[0100] The pull-belt divider stops, the scraper cylinder drives the scraper plate to scrape the surface of the molten tin in the tin furnace, the tin tank lifting cylinder extends to immerse the resistor in the molten tin, the terminals and the electrodes on the resistor are soldered, the tin tank lifting cylinder resets, the shifting block cylinder extends to make the scraper plate swing, the scraper cylinder resets, and then the shifting block cylinder retracts and resets.

[0101] When the count reaches the preset value, the cut-off cylinder starts to cut off the resistor tape.

[0102] Repeat the above steps.

[0103] like Figure 1 , 2 As shown, the chip resistor automatic assembly braid tinning equipment also includes a display controller 300, which is electrically connected to the loading and disassembling mechanism 20, the rotating film feeding mechanism 30, the terminal unwinding machine 40, the tape feeding mechanism 50, the terminal punching mechanism 60, the terminal transfer mechanism 70, the assembly positioning mechanism 80, the clip feeding mechanism 90, the braid synchronous driving mechanism 100, the paper tape feeding mechanism 110, the tape feeding mechanism 120, the flux applying mechanism 160, the tinning mechanism 170, and the cutting and discharging mechanism 190. The equipment body 10 also includes an electric control box, an air source system, a pneumatic control component, an electromagnetic control valve group, etc., which are existing market-purchased components and are not described in detail.

[0104] In the automatic assembly, braiding and tinning equipment for chip resistors in the embodiment of the present invention, a ceramic substrate is automatically loaded and split into resistor chips by a loading and degranulating mechanism, a terminal braid is automatically loaded and punched by a tape feeding mechanism and a terminal punching mechanism to obtain two terminals, the resistor chip and the two terminals are automatically assembled after being transferred to an assembly station, and then the assembled resistor chip is formed into a resistor braid between an adhesive tape and a paper tape, the resistor braid is intermittently transferred, punched, tinned and welded in turn, and then cut and discharged, thereby realizing automatic loading, processing and assembly, welding and braiding and discharging of the resistor chip and terminals in the double-terminal chip resistor, with a compact structure and high production efficiency.

[0105] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An automatic assembly and tinning equipment for chip resistors, characterized in that: The invention comprises an equipment body, on the table panel of the equipment body, an assembly station is arranged through an assembly positioning mechanism; a loading and disassembling mechanism splits the ceramic substrate into resistors, and the resistors are placed from one side to the assembly station through a rotating sheet feeding mechanism; a terminal transfer mechanism is arranged at the front end of the assembly station, and tape feeding mechanisms are arranged on both sides of the terminal transfer mechanism, and the terminal tape on the terminal unwinding machine is respectively transferred from both sides to between the terminal transfer mechanism and the assembly station, and is cut to form two terminals through a terminal punching mechanism, and the terminal transfer mechanism inserts the two terminals into the electrode positions of the resistor, and a clip feeding mechanism is used on the other side of the assembly station to clamp and transfer the assembled resistor to a tape gluing mechanism; The tape gluing mechanism sticks the two free ends of the terminals of the resistor sheet between the paper tape and the tape to form a resistor tape. The resistor tape passes through an active tape pulling mechanism and then enters the upper flux mechanism and the tinning mechanism to tin-weld the two terminals at the electrode positions of the resistor sheet. After that, the resistor tape passes through a synchronous tape pulling mechanism and enters the cutting and discharging mechanism to cut and collect the material according to the preset length.

2. The chip resistor automatic assembly tape tinning equipment according to claim 1, characterized in that: The equipment body includes a main frame, and the table panel is arranged on the main frame; the two terminal unwinders are respectively arranged on one side of the main frame and inside the main frame, and the terminal material tape passes through a plurality of terminal feeding guide wheels from the two terminal unwinders and enters the tape feeding mechanism on the table panel respectively; the main frame is also provided with a paper tape feeding mechanism and an adhesive tape feeding mechanism, and the paper tape enters the adhesive bottom groove of the braiding and gluing mechanism from the paper tape feeding mechanism, and the adhesive tape enters the upper side of the paper tape in the adhesive bottom groove from the adhesive tape feeding mechanism.

3. The chip resistor automatic assembly tape tinning equipment according to claim 2, characterized in that: A braid punching mechanism is also provided at the rear side of the braid gluing mechanism, and the resistor braid enters the braid punching mechanism from the braid gluing mechanism for synchronous punching, and the resistor braid after punching enters the active pulling mechanism; A braiding synchronous drive mechanism is arranged in the main frame, and the braiding synchronous drive mechanism includes a driving motor, a driving spindle, and a rotation sensing component. The driving spindle drives the active belt-drawing mechanism through a belt-drawing transmission group. The driving spindle is provided with a glue-applying cam, a punching cam, and a belt-twisting cam. As the driving spindle rotates, the braiding glue-applying mechanism, the braiding punching mechanism, and the synchronous belt-drawing mechanism are synchronously driven.

4. The chip resistor automatic assembly tape tinning equipment according to claim 1, characterized in that: The feeding and degranulating mechanism comprises a feeding support, a conveying seat plate arranged on the feeding support, and a feeding drive motor, the conveying seat plate is provided with a conveyor belt assembly, and the feeding drive motor is connected to drive the conveyor belt assembly through a feeding transmission group; along the conveying direction of the conveyor belt assembly, a degranulating connecting seat is provided at the end of the conveying seat plate, and a degranulating swing block is installed in the degranulating connecting seat through a swing shaft, a swing seat plate is connected to the lower part of the degranulating swing block, and a degranulating movable block is provided on the swing seat plate; a limited clamping groove is provided on the degranulating connecting seat, and a A corresponding grain-demolition station slot is connected to the limit pressing slot, and the grain-demolition movable block is provided with a movable pressing block corresponding to the grain-demolition station slot, and a grain-demolition reset spring is provided between the grain-demolition movable block and the grain-demolition connecting seat, and the movable pressing block is combined with or separated from the grain-demolition station slot by a pushing cylinder; the ceramic substrate enters the limit pressing slot from the conveyor belt assembly and reaches the grain-demolition station slot, and is fixed in the limit pressing slot by a grain-demolition pressing swing arm, and the swing seat plate is struck by a swing cylinder and drives the grain-demolition swing block to swing downward, and the ceramic substrate cracks along the scratch portion to form a resistor.

5. The chip resistor automatic assembly tape tinning equipment according to claim 1, characterized in that: The belt feeding mechanism comprises a belt feeding support, a belt feeding adjustment plate arranged on the belt feeding support, the belt feeding adjustment block is driven by the belt feeding slide cylinder on the belt feeding adjustment plate, a belt feeding pawl is hingedly arranged on the belt feeding adjustment block, a belt feeding bottom slot plate is arranged at the lower side of the belt feeding pawl, the belt feeding bottom slot plate is arranged on a punching base, the belt feeding pawl acts on the upper belt hole of the terminal material belt, so that the terminal material belt is transferred to the middle of the two punching bases in the belt feeding slot of the belt feeding bottom slot plate; along the terminal material belt transfer direction, a material belt feeding outlet block and a punching lower die are arranged at the end of the punching base, and the rear side of the terminal material belt is attached to the material belt feeding outlet block to reach the punching station at the end of the punching lower die; A lower die ejector block is arranged at the front side of the punching lower die corresponding to the punching station, the lower die ejector block is arranged at the upper end of a lower die ejector slide block, and the lower die ejector slide block is arranged in an ejector spring slide groove of the punching base; The two belt feeding mechanisms move the terminal material belts towards each other, and the terminal punching mechanism is arranged on the belt feeding support of one of the belt feeding mechanisms, and the terminal punching mechanism includes a punching seat plate arranged on the belt feeding support, and a punching slide and a punching slide rod are arranged on the punching seat plate, and the punching slide rod is driven by a punching cylinder to move vertically in the punching slide, and a punching upper die adjustment seat is arranged at the lower end of the punching slide rod, and two punching upper modules are arranged on the punching upper die adjustment seat, each of the punching upper modules is arranged with a punching upper die and a press ejection block, and the upper end of the press ejection block is arranged at a press die spring station in the punching upper module, and the lower end of the punching upper die corresponds to the punching notch of the press ejection block, and the punching notches correspond to the punching stations respectively.

6. The chip resistor automatic assembly tape tinning equipment according to claim 5, characterized in that: The assembly positioning mechanism is arranged at the front side of the punching station, and the terminal transfer mechanism is arranged at the rear side, the terminal transfer mechanism comprises a transfer and insertion slide and a transfer and insertion cylinder arranged on the table panel, the transfer and insertion cylinder drives a transfer and insertion slide to reciprocate in the transfer and insertion slide, a terminal clamping slide is arranged on the transfer and insertion slide through a transfer and insertion support, a terminal clamping gear and a group of clamping rack slides are arranged in the terminal clamping slide, and a transfer and insertion lower clamp and a transfer and insertion upper clamp are respectively installed on the upper ends of the clamping rack slides, wherein one of the clamping rack slides is driven by a terminal clamping cylinder, the transfer and insertion lower clamp and the transfer and insertion upper clamp clamp the middle position of the terminals on the punching stations on both sides from the vertical direction, and after the two terminals are cut off from the terminal strip, they are inserted into the resistor sheet electrode position on the assembly station through the transfer and insertion slide; The assembly positioning mechanism comprises an assembly station base, an assembly station block is arranged at the upper end of the assembly station base, the assembly station is arranged on the assembly station block, pin blocks and pin positioning cylinders are arranged on both sides of the assembly station, a pin swinging pressure block is arranged at the rear side of the assembly station, the pin swinging pressure block is hingedly arranged on the assembly station base, and is driven to swing by a pin clamping cylinder; The clip feeding mechanism includes an assembly and discharge base plate fixed to the table panel and a transverse connecting support, the transverse connecting support is arranged on the assembly and discharge base plate through a discharge guide rail slider pair, the transverse connecting support is provided with a guide rod slide, the guide rod slide is provided with a clip seat plate, the clip seat plate is driven up and down by a discharge vertical movement cylinder, a clamping claw cylinder is provided on the clip seat plate, a clamping clamp is provided at the working end of the clamping claw cylinder, and the transverse connecting support is driven by a discharge transverse movement cylinder to move transversely on one side of the assembly station, so that the clamp is clamped to the middle position between the two terminals.

7. The chip resistor automatic assembly tape tinning equipment according to claim 3, characterized in that: The braiding and gluing mechanism comprises a braiding base arranged on the table panel, the glue pressing bottom groove is arranged at the upper end of the braiding base; a paper tape introduction seat is connected to one side of the braiding base, and the paper tape introduction seat is provided with a paper tape introduction groove and a paper tape introduction roller which are connected to the glue pressing bottom groove; a tape feeding guide wheel is also arranged on one side of the glue pressing bottom groove through a tape introduction block, and a tape introduction pressing plate is also arranged corresponding to the glue pressing bottom groove along the tape feeding direction, and a gluing station is formed on the glue pressing bottom groove on the front side of the tape introduction pressing plate, and the paper tape enters the gluing station from the paper tape introduction groove via the paper tape introduction roller, and the tape enters the gluing station from the tape feeding guide wheel; A glue sticking block is provided above the corresponding glue sticking station, and the glue sticking block is installed at the lower end of a glue sticking slider, and the glue sticking slider is arranged in a glue sticking slide seat on the punching seat plate, and the glue sticking slider is hinged to one end of a glue sticking swing arm through a glue sticking joint bearing, and the glue sticking swing arm is installed on the punching seat plate, and the other end of the glue sticking swing arm is hinged to a glue sticking connecting rod, and the glue sticking connecting rod is driven by a glue sticking cam arranged on the driving spindle of the braiding synchronous drive mechanism through a glue sticking rocker arm.

8. The chip resistor automatic assembly tape tinning equipment according to claim 3, characterized in that: The active belt-drawing mechanism comprises a belt-drawing splitter, an active belt-drawing wheel installed at the output end of the belt-drawing splitter, and an active pressure wheel is arranged vertically above the active belt-drawing wheel, and the resistance braided belt is squeezed and moved forward between the active belt-drawing wheel and the active pressure wheel; The synchronous belt-pulling mechanism includes a twist-out belt-pulling wheel and a twist-out pressure wheel, and the twist-out belt-pulling wheel is arranged at the upper end of a twist-out belt-pulling shaft; along the moving direction of the resistance braid, the twist-out belt-pulling shaft is installed on the front side of the tin-immersion mechanism through a twist-out bearing seat, and the lower end of the twist-out belt-pulling shaft passes through the table panel and is provided with a twist-out belt swing arm, and the twist-out belt swing arm is hinged to one end of the twist-out belt swing arm connecting rod, and the twist-out belt swing arm connecting rod is driven by a twist-out rocker arm in cooperation with a twist-out belt cam arranged on the driving main shaft of the braid synchronous drive mechanism.

9. The chip resistor automatic assembly tape tinning equipment according to claim 1, characterized in that: A braid roller group is provided between the active pulling mechanism and the upper flux mechanism through a braid guide bracket. The resistor braid is converted from a horizontal position to a vertical direction after passing through the braid roller group and is transferred to the upper flux mechanism. The upper flux mechanism includes a flux box and a flux reflow trough provided on the flux box; a flux delivery pipe is provided corresponding to the flux reflow trough through a flux delivery support, and the flux circulates between the flux delivery pipe, the flux reflow trough and the flux box through a flux reflow pump; the resistor braid passes through the flux delivery pipe outlet of the flux reflow trough, so that the flux is sprayed on the resistor sheet on the resistor braid; The tin immersion mechanism includes a tin furnace and a tin furnace controller. A tin tank is arranged in the tin furnace, and a tin scraper plate is arranged on the surface of the tin tank. A tin scraper slide is arranged on the rear side of the tin furnace through a tin immersion bottom plate. A tin tank lifting cylinder is arranged on the tin scraper slide. The tin tank lifting cylinder drives the tin tank to move up and down in the tin furnace through a tin tank connecting block. A horizontally sliding tin scraper slide frame is arranged in the tin scraper slide, a tin scraper cylinder is arranged at one end of the tin scraper slide frame, and a tin scraper connecting block is arranged at the other end. The tin scraper connecting block is connected to the tin scraper plate through a torsion spring shaft.

10. The chip resistor automatic assembly tape tinning equipment according to claim 1, characterized in that: Along the moving direction of the resistance braid, the cutting and discharging mechanism is arranged at the front side of the synchronous pulling mechanism, and the cutting and discharging mechanism includes a cutting support plate, and the cutting support plate is installed on the table panel through a cutting support, and a cutting cutter is arranged on the cutting support plate through a cutting slider, and a cutting matching block is arranged corresponding to the cutting cutter through a cutting guide block; the resistance braid reaches between the cutting cutter and the cutting matching block through the guide groove of the cutting guide block, and the cutting slider is arranged in a cutting slide seat, and the cutting cutter and the cutting matching block are driven by a cutting cylinder to cut the resistance braid in a horizontal direction.

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