CN111430191A

CN111430191A - Automatic welding machine for tubular fuse

Info

Publication number: CN111430191A
Application number: CN202010293903.9A
Authority: CN
Inventors: 庄作平; 刘文浪
Original assignee: Taizhou Chuangcheng Automation Equipment Technology Co ltd
Current assignee: Taizhou Chuangcheng Automation Equipment Technology Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-17

Abstract

The invention discloses an automatic welding machine for tubular fuses, which comprises a main frame, an indexing turntable, a clamping mechanism, a touch display control screen, a start emergency stop switch group, a fuse tube vibration disc, a charging station, a tube hole detection station, a position correcting station, a threading and trimming station, a fuse wire induction station, an end welding station, an end rosin joint detection station, a tube head exchange station, a sand filling station, an end welding station, an end rosin joint detection station, an impedance test station, a length test station, a tube cap fastening station, a finished product collection station and a waste product collection station, wherein the fuse tube vibration disc, the charging station, the tube hole detection station, the position correcting station, the threading and trimming station, the fuse wire induction station, the end. The invention greatly optimizes the foundation of the production equipment of the protective tube in the prior art, adds a plurality of groups of detection stations, fully detects the condition of the protective tube in the production process, saves the material cost and greatly improves the quality and the qualification rate of the produced qualified products.

Description

Automatic welding machine for tubular fuse

Technical Field

The invention relates to the technical field of fuse production and manufacturing, in particular to an automatic welding machine for a tubular fuse.

Background

With the advancement of science and technology, the automation degree in the product manufacturing field is greatly improved, wherein the fuse tube, i.e. the tubular fuse, has been slowly replaced by the automated fuse welding machine because the traditional manual processing mode thereof has the problems of high loss, high cost, complex operation and poor product quality, the fuse tube manufacturing device disclosed in the prior art as CN208093469U is an automated production device for manufacturing the tubular fuse, although the fuse tube manufacturing device has a better automation function and the production efficiency is also improved, the fuse tube manufacturing device lacks production information which directly influences the welding quality of the fuse tube in the fuse tube, such as the quality of the hollow fuse tube, the fuse wire state, the primary and secondary welding states and the like, and thus the rejection rate is greatly improved when the device has a certain deviation, and each mechanism device thereof still has a plurality of places which can be optimized, further improving the automation degree, reducing the loss and improving the product quality.

Disclosure of Invention

The invention aims to solve the technical problem of providing an automatic welding machine for tubular fuses, which can realize the automation of fuse tube manufacturing and effectively monitor the production quality aiming at the defects of the prior art.

In order to realize the purpose, the invention provides the technical scheme of the automatic welding machine for the tubular fuse, which comprises the following steps: the utility model provides a tubulose fuse automatic weld machine, includes the main frame and assembles the graduation carousel of speed adjustable on the main frame, and the graduation carousel is equipped with a plurality of stations, and each station all disposes the fixture who is used for centre gripping protective tube, its characterized in that: the automatic pipe welding machine further comprises a protective pipe vibration disc, a material charging station, a pipe hole detection station, a position correction station, a threading and wire cutting station, a fuse wire induction station, an end welding station, an end cold joint detection station, a pipe head exchange station, a sand filling station, an end welding station, an end cold joint detection station, an impedance test station, a length test station, a pipe cap fastening station, a finished product collection station and a waste product collection station which are sequentially arranged along the periphery of the indexing turntable; the emergency stop control system also comprises a touch display control screen and a start emergency stop switch group; the outlet end of the protective tube vibration disc is provided with a feeding pipeline connected with a charging station; the loading station comprises a vertical positioning mechanism and a loading push-out mechanism, the vertical positioning mechanism is connected with the feeding pipeline, and the loading push-out mechanism pushes the positioned protective tube into the clamping mechanism; the tube hole detection station is provided with a photosensitive sensor for sensing the state of the open hole of the tube hole of the fuse tube; the position correcting station is used for vertically correcting the protective tubes passing through the station to a uniform height; the threading and trimming station is provided with a fuse wire feeding mechanism and a trimming mechanism, the fuse wire feeding mechanism is used for vertically penetrating the fuse wire through the fuse tube along the holes at the two ends and trimming the fuse wire along the end head at the upper end of the fuse tube by the trimming mechanism; the fuse wire induction station is provided with a photosensitive induction probe for monitoring whether a fuse wire is separated from a fuse tube; the one-end welding station and the two-end welding station are both provided with laser welding devices for butt-welding the end hole parts of the corresponding protective tubes by the tin welding guns; the tube head exchange station is provided with a grabbing manipulator which overturns at an angle of 180 degrees and grabs and overturns the upper end and the lower end of the protective tube; the sand filling station is used for injecting an explosion-proof material into the inner cavity of the fuse tube; the one-end and two-end cold joint detection stations are provided with induction probes to be aligned with the welding ends to detect whether the cold joints exist or not; the impedance test station is used for testing the resistance value of the tubular fuse; the length testing station is used for testing the length of the tubular fuse; the pipe cap fastening station is provided with a double-end chuck for clamping and fastening the pipe cap; the finished product collecting station is used for conveying the qualified fuses to the qualified product bin; the waste collection station is used for sending unqualified fuses to the waste bin; clamping mechanisms at the ends of the charging station, the tube head exchange station, the finished product collecting station and the waste collecting station are provided with clamping opening mechanisms in a matched mode; the clamping opening mechanism is used for driving the clamping mechanism of the station on the indexing turntable to open or close. The basis of the fuse tube production equipment in the prior art is greatly optimized, a tube hole detection station, a position correction station, a one-end rosin joint detection station, a fuse wire induction station, a two-end rosin joint detection station, a length test station and a tube cap fastening station are additionally arranged, the condition of the fuse tube in the production process is fully detected, as long as the condition of residual waste products is generated, the fuse tube flow is controlled by a controller in a touch display control screen to enter a waste product channel, the subsequent processing flow is skipped over, the material cost is saved, and the quality and the qualification rate of the produced qualified products are greatly improved.

As a further scheme: the device comprises a shell, a shell body, a fuse wire feeding mechanism, a fuse wire connecting mechanism, a vibrating mechanism, a secondary wire shearing station and a wire shearing mechanism, wherein the vibrating mechanism is used for vibrating a fuse wire to form a hole, the secondary wire shearing station is used for shearing a fuse wire with a fixed length at the lower end and is arranged between the one end rosin joint detection station and the tube head exchange station, the vibrating mechanism is used for vibrating the fuse wire to form the hole, the lower end of the secondary wire shearing station is also provided with the vibrating mechanism and is used for vibrating the fuse wire to form the hole, the fuse wire is used for conveying the fuse wire through the fuse wire feeding mechanism so that the fuse wire penetrates through the lower end of the fuse wire, the secondary wire shearing station is provided with the wire shearing mechanism and is used for shearing the fuse wire with the lower end exceeding the length of the fuse wire, the fuse.

As a further scheme: the vibrating mechanism is arranged at the lower end of the protective tube and comprises a wire clamping fixture and a vibrator which are arranged up and down, the vibrator is driven by a driving assembly to move up and down, the wire clamping fixture directly collides with the lower end of the protective tube to generate vibration, and a fuse wire in the vibrating protective tube is exposed from an opening at the lower end of the protective tube.

As a further scheme: the clamping mechanism comprises a fixed clamp, a movable clamp and a reset piece which is arranged on the movable clamp and enables the movable clamp to be in a clamping state, the fixed clamp is fixedly connected on the indexing turntable, the middle part of the movable clamp is hinged on the indexing turntable, a V-shaped fixed groove vertical to the horizontal plane is arranged on the clamping end surface of the movable clamp, the clamping end face at the front end of the fixed clamp is provided with an arc fixing groove vertical to the horizontal plane, the rear end parts of the movable clamp and the fixed frame are symmetrically provided with fastening extrusion grooves, the inner end face at the rear end of the movable clamp is provided with a reset groove, the reset piece is arranged in the reset groove and is abutted against the corresponding end surface at the inner side of the fixed clamp, the fixed clamp and the movable clamp are matched with the reset piece, can realize the better centre gripping elasticity of fixture, front end V-arrangement fixed slot and circular arc fixed slot are convenient for carry out spacing centre gripping to the protective tube, and rear end fastening extrusion groove also can be through extrudeing further press from both sides tight so that keep vertical stable under the processing situation who rocks.

As a further scheme: the index rotary table corresponds fixture installation station lower extreme cooperation fixed centre gripping hand and opens and be equipped with the spacing groove, open and press from both sides the mechanism and set up in the fixture rear end that corresponds the station and be in index rotary table lower extreme, open and press from both sides the mechanism and include clamping base, driving motor and stir the piece, it sets up in driving motor output shaft upper end to stir the piece and pass through the connecting rod with the clamping base and articulate, the end is equipped with stirs the lug, stirs the lug and drives movable centre gripping hand tail end inwards along with the driving motor drive, open and press from both sides the setting up of mechanism and make and snatch the separation to the protective tube smoothly at charging process, exchange process and garbage collection, finished product.

As a further scheme: the safety tube comprises a safety tube body, an impedance testing station, a clamping mechanism, a driving motor and a driving motor, wherein the clamping mechanism is arranged at the tail end of the safety tube body, the clamping mechanism is arranged at the tail end of the clamping mechanism corresponding to the threading and trimming station, the clamping mechanism is arranged at the tail end of the clamping mechanism at the previous station of the impedance testing station, the fastening mechanism comprises a fastening base, the driving motor and a pushing block with the upper end arranged in a conical shape, the pushing block is vertically arranged at the lower end of a fastening and extruding groove, the driving motor drives the pushing block to move upwards to extrude the fastening and extruding groove, and.

As a further scheme: the fuse wire feeding mechanism comprises a fuse wire wheel, a fuse wire feeding wheel set, a displacement driving set, a fuse wire sleeve and a fuse wire guide rod, wherein the fuse wire wheel, the fuse wire feeding wheel set and the fuse wire sleeve are connected to form a fuse wire conveying channel, a fuse wire enters the fuse wire sleeve through transmission of the fuse wire wheel and is fed by the fuse wire feeding wheel set to be initially straightened, and then the fuse wire is conveyed downwards to enter the fuse wire guide rod to be butted with an opening at the upper end of the fuse wire.

As a further scheme: the laser welding device arranged on the one end welding station and the two end welding stations emits a plurality of welding laser beams along the shape of a light spot of a formed ring to be matched with the tin gun to weld the protective tube, the single-point laser beam is easy to scrap products due to overheating damage on the periphery of the fuse, the welding effect formed by the laser beams which are not looped at multiple points is also easy to cause the problem of insufficient welding and uneven welding flux, and the looped light spot laser beams can avoid the influence on the damage of the periphery of the fuse and have excellent welding effect.

As a further scheme: the quantity of tin rifle sets up to two, and two tin guns parallel and level each other set up, and the discharge end aims at the solder joint upper end, and the laser-beam welding ware of cooperation lopping facula, the solder provides fast welding effectually.

As a further scheme: finished product collecting station and waste product collecting station all set up including pipe passageway of unloading and the striking gear of unloading, pipe passageway of unloading sets up in the fixture exposed core lower part that corresponds the station, and striking gear of unloading is equipped with stirs slider and kicking plate, and open and press from both sides mechanism drive fixture clamping, stirs the slider and drives the kicking plate by the drive return stroke and drive the material and break away from fixture and get into pipe passageway of unloading downwards, and the striking gear of unloading of increase can be effectively stirred the protective tube on fixture.

Compared with the prior art, the utility model discloses the beneficial effect who sets up the type is: the product of the invention is greatly optimized on the basis of the prior art fuse manufacturing equipment, and is designed to have a plurality of special workstations and detection stations along the periphery of the indexing turntable for automatically processing and detecting the fuse, thereby improving the automation degree and the production efficiency of the production equipment, reducing the waste of materials, and ensuring that the fuse manufactured by the production equipment has excellent yield and excellent welding quality.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of an automatic tubular fuse welding machine 1 according to the present invention.

FIG. 2 is a schematic perspective view of an embodiment of an automatic tubular fuse welding machine 1 according to the present invention.

FIG. 3 is a schematic top view of an embodiment of an automatic tubular fuse welder of the present invention.

Fig. 4 is a schematic structural view of a top-view non-indexing turntable according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a clamping mechanism according to an embodiment of the invention.

Fig. 6 is a schematic structural view of a threading and thread trimming station according to an embodiment of the invention.

Fig. 7 is a perspective view of a fastening mechanism according to an embodiment of the present invention.

Fig. 8 is a schematic perspective view of an opening mechanism according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a finished product collection station according to an embodiment of the invention.

In fig. 1 to 9: the device comprises a main frame 1, an indexing turntable 2, a clamping mechanism 3, a fuse tube vibration disc 4, a charging station 5, a tube hole detection station 6, a position calibration station 7, a threading and trimming station 8, a fuse wire induction station 9, an end welding station 10, an end cold-joint detection station 11, a vibration mechanism 12, a secondary trimming station 13, a tube head exchange station 14, a sand filling station 15, an end welding station 16, an end cold-joint detection station 17, a fastening mechanism 18, an impedance test station 19, a length test station 20, a tube cap fastening station 21, a finished product collection station 23, a waste product collection station 22, a touch display control screen 24, a start emergency stop switch group 25, an opening clamp mechanism 26, a fuse tube A, a movable clamp 31, a fixed frame 32, a V-shaped fixed groove 311, an arc fixed groove 321, a movable fastening extrusion groove 312, a fixed fastening extrusion groove 322, a reset piece 33, a fuse wire wheel 81, a fuse wire feeding wheel group 82, a displacement driving group 85, a fuse wire sleeve, The device comprises a fuse wire guide rod 84, a wire cutting mechanism 86, a clamping base 263, a driving motor 262, a poking block 261, a poking base 264, a fastening base 183, a driving motor 182, a jacking block 181, a circular tube discharging channel 231, a poking slide block 233 and a jacking plate 232.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, an embodiment of the present invention is: an automatic tubular fuse welding machine comprises a main frame 1 and an indexing turntable 2 which is assembled on the main frame 1 and has adjustable rotation speed, wherein the indexing turntable is provided with forty stations, each station is provided with a clamping mechanism 3 for clamping a fuse, the lower end of the indexing turntable is connected with a speed-regulating motor to drive the indexing turntable to rotate so as to realize station rotation, and the automatic tubular fuse welding machine further comprises a fuse tube vibration disc 4, a material loading station 5, a tube hole detection station 6, a position correcting station 7, a threading and wire trimming station 8, a fuse wire induction station 9, an one-end welding station 10, an one-end cold-joint detection station 11, a vibration mechanism 12, a secondary wire trimming station 13, a tube head exchange station 14, a sand filling station 15, an two-end welding station 16, an two-end cold-joint detection station 17, an impedance test station 18, a length test station 19, a tube cap fastening station 20, a finished product collection station; the system also comprises a touch display control screen 23 and a starting emergency stop switch group 24; the clamping mechanisms of the loading station 5, the tube head exchange station 14, the finished product collection station 23 and the waste product collection station 22 are matched with each other to be provided with a clamp opening mechanism 26, and the clamp opening mechanism 26 is used for driving the clamping mechanisms of the stations on the indexing turntable to be opened or closed.

Wherein the clamping mechanism 3 is arranged to comprise a fixed clamp 32, a movable clamp 31 and a combined clamp body of a reset piece 33 which is arranged on the movable clamp and enables the movable clamp to be in a clamping state, wherein the fixed clamp is fixedly connected on the indexing rotary table, in the embodiment, the indexing rotary table 2 is respectively provided with a serial number of each processing station, a limit groove is arranged on the lower end surface corresponding to the mounting position end of the clamping mechanism and used for positioning and mounting the fixed clamp, the middle part of the movable clamp 31 is provided with a hinge hole and is hinged on the indexing rotary table corresponding to the matching position of the fixed clamp, the clamping end surface of the movable clamp is provided with a V-shaped fixing groove 311 vertical to the horizontal plane, the clamping end surface of the front end of the fixed clamp is provided with an arc fixing groove 321 vertical to the horizontal plane, the rear end parts of the movable clamp and the fixed frame are symmetrically provided with fastening extrusion grooves 312 and 322 which are respectively a movable fastening extrusion groove, it is tight to be convenient for top to push up the front end clamping end that produces, and the terminal surface has seted up the groove that resets in the movable clamp rear end, the piece that resets sets up in the groove that resets and supports in the fixation clamp inboard corresponds the terminal surface, the piece 33 that resets sets to coil spring in this embodiment, fixation clamp and movable clamp collocation reset the piece, can realize the better centre gripping elasticity of fixture, the combination of front end V-arrangement fixed slot and circular arc fixed slot is convenient for carry out spacing centre gripping to the protective tube, rear end fastening extrusion groove also can be through extruding further pressing from both sides tight so that keep vertical stable under the processing situation that has and rock.

The protective tube vibration disc 4 is arranged at the outer end of the station, preferably a spiral vibration disc, is not directly butted with a clamping mechanism of each station, the outlet end of the vibration disc is connected with a feeding pipeline connected with a charging station (not shown in the figure), and the unwelded empty protective tubes are placed on the protective tube vibration disc and are orderly conveyed to the charging station through vibration.

The loading station 5 is provided with a vertical positioning mechanism and a loading push-out mechanism, a guide pipe and a positioning clamp which are perpendicular to the horizontal plane are arranged in the vertical positioning mechanism, the guide pipe is connected with a feeding pipeline, the loading push-out mechanism is connected with a main frame, a driving push-out module is arranged at the upper end of the loading push-out mechanism and used for pushing out a positioned protective tube to the clamping mechanism, the protective tube enters the guide pipe downwards in the feeding pipeline and is guided to form a vertical direction perpendicular to the horizontal plane, the protective tube is positioned by the positioning clamp, and then the loading push-out mechanism pushes out the loaded material to enter the clamping mechanism to perform station circulation operation flow.

The tube hole detection station 6 is provided with two corresponding photosensitive sensors to be in butt joint with the induction fuse tube hole opening states, the fuse tube which is charged through the charging station needs to be firstly detected whether the opening states on metal ends at two ends of the fuse tube are normal or not, when the fuse tube is detected to have blockage or other abnormal conditions, the fuse tube is determined to be a different sample, a subsequent station directly moves to a waste product collection station in an idle stroke mode, and the fuse tube which is detected to be normal moves to the next operation station.

The position correcting station 7 is provided with an upper end and a lower end bidirectional driving limiting flattening mechanism and is used for vertically correcting the protective tubes passing through the station to a uniform height, so that the protective tubes can be conveniently processed in the same working state at the subsequent stations.

The threading and trimming station 8 is provided with a fuse wire feeding mechanism and a trimming mechanism 86, the fuse wire feeding mechanism is used for vertically penetrating a fuse wire through a fuse tube along openings at two ends and trimming the fuse wire along the end head of the upper end of the fuse tube by the trimming mechanism, the fuse wire feeding mechanism comprises a fuse wire wheel 81, a fuse wire feeding wheel set 82, a displacement driving set 85, a fuse wire sleeve 83 and a fuse wire guide rod 84, the fuse wire wheel 81, the fuse wire feeding wheel set 82 and the fuse wire sleeve 83 are connected to form a fuse wire conveying channel, the fuse wire enters the fuse wire sleeve through transmission of the fuse wire wheel and is fed by the fuse wire feeding wheel set 82 to be primarily straightened, and then the fuse wire is conveyed downwards to enter the fuse wire guide rod 84 and is butted; in addition, the lower part of the working station end of the threading and trimming station in the embodiment is also provided with a vibration mechanism 12 which is used for vibrating the fuse tube to enable the fuse wire to pass through the lower end of the fuse tube when the fuse wire feeding mechanism conveys the fuse wire, the fuse wire is soft and is perpendicular to the horizontal plane in the process of threading through the fuse sleeve, and the fuse wire is bent under various conditions and cannot be directly butted with an opening at the lower end in actual production, and at the moment, the corresponding vibration mechanism vibrates the fuse sleeve to drive the fuse wire to slightly shift and return to the opening at the lower end. In the embodiment, the fastening mechanism 18 is arranged at the tail end of the clamping mechanism corresponding to the threading and trimming station, and the fastening mechanism is further fastened to keep stable in order to keep the protective tube vertical and stable due to the fact that the vibrating mechanism is arranged at the lower end of the clamping mechanism during threading and trimming operation. Therefore, after the fuse tube enters the threading and trimming station, the clamping mechanism is further fastened by the fastening mechanism, the fuse wire is conveyed to the lower end from the opening at the upper end of the fuse tube by the fuse wire feeding mechanism, when the fuse wire is slightly bent and does not directly pass through the opening at the lower end, the vibration mechanism vibrates the fuse tube to drive the fuse wire to shake and pass through the opening at the lower end, and then the trimming mechanism performs trimming operation on the fuse wire.

The vibration mechanism 12 is arranged at the lower end of the fuse tube and comprises a wire clamping fixture and a vibrator which are arranged up and down, the vibrator is driven by a driving assembly to move up and down, the wire clamping fixture directly collides with the lower end of the fuse tube to generate vibration, and a fuse wire in the vibration fuse tube is exposed from an opening at the lower end of the fuse tube; the fastening mechanism 18 comprises a fastening base 183, a driving motor 182 and a pushing block 181 with a tapered upper end, wherein the pushing block 181 is vertically arranged at the lower end of a fastening extrusion groove, the driving motor 182 drives the pushing block 181 to move upwards to extrude the fastening extrusion groove, and the fastening extrusion groove is extruded to drive the rear end of the movable clamp to expand outwards, so that the front end clamping part is further clamped.

The fuse wire induction station 9 is provided with a photosensitive induction probe which is aligned with the lower end of the fuse tube to sense the state of the fuse wire and is used for monitoring whether the fuse wire is separated from the fuse tube or not, if the abnormal state occurs, the fuse wire is also marked as a different sample, the direct idle stroke of the subsequent operation station flows to the waste product collection station, and the normal fuse tube is detected, namely the normal flow flows to the next operation station.

The one-end welding station 10 and the two-end welding station 16 are respectively provided with a laser welder for soldering the end hole parts of the corresponding fuse tubes by butt joint tin guns; in the embodiment, the laser welding devices arranged on the one-end welding station 10 and the two-end welding station 16 emit a plurality of welding laser beams along the shape of a light spot forming a ring to be matched with the tin guns to weld the protective tube, the single-point laser beams are easy to scrap products due to overheating damage on the periphery of a fuse wire, the welding effect formed by the laser beams which are not formed into the ring at multiple points is also easy to cause the problems of insufficient welding and uneven welding flux, the formed light spot laser beams can avoid damage influence on the periphery of the fuse wire, the formed welding effect is excellent, the number of the tin guns is two in the embodiment, the two tin guns are arranged in parallel, the discharging end heads are aligned to the upper end of a welding point, the laser welding device matched with the laser welding points; the fuse tube enters two welding stations to perform welding operation aiming at the end heads on the two sides.

The one end rosin joint detection station 11 and the two end rosin joint detection station 17 are respectively provided with an induction probe to align with a welding point of a welding end for detecting whether rosin joint exists or not, and the quality of welding is a key factor directly influencing the quality of a product, so the welding quality needs to be detected after the flow of each welding station, and if the rosin joint exists, the protective tube is marked as a waste direct idling flow to a waste collection station.

The vibration mechanism 12 is arranged at the front end station of the secondary trimming station 13, the fuse wire detection vibration is carried out on the fuse tube after the primary welding by the vibration mechanism 12, so that the fuse wire at the lower end can be exposed out of the hole, and the length of the fuse wire is reserved when the common fuse wire is fed, so that the secondary trimming station is arranged at the excess part for trimming to realize the corresponding matching of the length and the fuse tube;

the tube head exchange station 14 is provided with a grabbing manipulator capable of overturning at an angle of 180 degrees to grab and overturn the upper end and the lower end of the protective tube, the protective tube subjected to secondary trimming is welded with the upper end metal sleeve and the fuse wire, the lower end of the protective tube needs to be welded, the tube head exchange of the protective tube is carried out, and the ends which are not welded are welded by the two end welding stations.

The sand filling station 15 is used for injecting an explosion-proof material into the inner cavity of the safety tube, the explosion-proof material needs to be filled in the safety tube, and the lower end part of the safety tube can be filled after the tube head exchange is completed and the bottom sealing is completed through welding at one end.

The impedance test station 19 is used for testing the resistance value of the tubular fuse, and the length test station 20 is used for testing the length of the tubular fuse; the pipe cap fastening station 21 is provided with a double-end chuck for clamping and fastening the pipe cap, the three work stations are used for detecting the quality of the protective pipe, the production quality of the protective pipe is guaranteed, a fastening mechanism is further arranged before the impedance testing station, and smooth and stable detection of subsequent detection work is facilitated due to the fact that the clamping mechanism stably clamps the protective pipe.

The finished product collecting station 23 is used for sending qualified fuses to qualified product bins, and the quality of the qualified fuses is greatly guaranteed through multiple sets of process detection; the waste collection station 22 is used for sending unqualified fuses to a waste bin, so that materials can be recovered and collected conveniently; and finished product collecting station and waste product collecting station in this embodiment all set up including pipe passageway 231 of unloading and the striking gear of unloading, pipe passageway 231 of unloading sets up in the fixture centre gripping end lower part that corresponds the station, the striking gear of unloading is equipped with stirs slider 233 and kicking plate 232, open and press from both sides 26 drive fixture clamping, stir the slider and drive the kicking plate by the drive return stroke and drive the material and break away from fixture and get into pipe passageway of unloading downwards, the striking gear of unloading that increases can effectively stir the protective tube on fixture and get off.

The opening and clamping mechanism 26 is used for driving the opening or closing of the clamping mechanism of the station on the indexing turntable, the opening and clamping mechanism is arranged at the rear end of the clamping mechanism corresponding to the station and located at the lower end of the indexing turntable, the opening and clamping mechanism comprises a clamping base 263, a driving motor 262 and a poking block 261, the poking block 261 is arranged at the upper end of an output shaft of the driving motor and hinged to the clamping base through the poking base 264, a poking lug is arranged at the end, the poking lug drives the tail end of a movable clamping hand to be inward along with the driving of the driving motor, and the opening and clamping mechanism is arranged so that a charging process, an exchange process and waste collection process and a finished product.

The touch display control screen 23 is arranged on one side of the main frame, a controller for manually setting working parameters is arranged in the touch display control screen 23, the controller can also be driven by a P L C or a single chip microcomputer, and the touch display control screen 23 controls and sets program operation of the whole automatic process, wherein the start emergency stop switch group 24 is arranged in a box body at the lower end of the main frame, so that the control switch can be rapidly realized under an emergency condition.

For a better understanding of the invention, the operation of the automatic tubular fuse welder is briefly described below: firstly, the parameters of each station are set through the touch display control screen 23, and the stations are integrated and coordinated. The unprocessed fuse tube A is placed in a fuse tube vibration disc 4, is sequentially conveyed to a charging station 5 through spiral vibration and is pushed into a clamping mechanism, the indexing rotary disc 2 rotates, the fuse tube flows into the next working station, namely a tube hole detection station 6, the tube hole state of the fuse tube is detected by the tube hole detection station 6, and defective products are removed in time; qualified products flow into the position correction station 7, and position correction adjustment is carried out to ensure that the vertical orientation and the size are uniform; then the hot melt flows into a threading and trimming station 8, a fuse wire is fed through a fuse wire feeding mechanism, a fuse tube workpiece is clamped by a fastening mechanism, a vibration mechanism guides the fuse wire to punch a hole and trimming work of the trimming mechanism to complete threading and trimming work and the hot melt flows to a fuse wire induction station 9 of the next work station; a photosensitive probe of the fuse wire induction station 9 detects the state of the fuse wire, defective products are removed in time, and qualified products enter a welding station 10 at one end; the one-end welding station 10 is subjected to butt welding operation by a laser welding machine adopting circular light spots and a double-end tin gun, and then enters the one-end cold joint detection station 11; the end welding condition is detected by the one-end cold joint detection station 11, defective products are removed if the cold joints exist, qualified products enter a station arranged by a vibration mechanism 12 to vibrate a fuse wire outlet hole, the part of the fuse wire exceeding the length is cut to a fixed length by the secondary wire cutting station 13, the qualified products enter the tube head exchange station 14 to be turned over for 180 degrees, then enter the sand filling station 15 to be filled with explosion-proof materials, enter the two-end welding station 16 after sand filling is completed, two-end welding is performed, then enter the two-end cold joint detection station 17, the end welding condition is detected, and the defective products are removed if the cold joints exist; after being clamped by the fastening mechanism 18, qualified products enter the impedance testing station 19, the length testing station 20 and the pipe cap fastening station 21 in sequence for detection and defective products are removed, all safety pipes on the station clamping mechanism on the indexing turntable from which the defective products are removed are collected by the waste product collecting station 22, and finally the qualified products flow into the finished product collecting station 23 to be collected and packaged.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tubulose fuse automatic weld machine, includes the main frame and assembles the graduation carousel of speed adjustable on the main frame, and the graduation carousel is equipped with a plurality of stations, and each station all disposes the fixture who is used for centre gripping protective tube, its characterized in that: the automatic pipe welding machine further comprises a protective pipe vibration disc, a material charging station, a pipe hole detection station, a position correction station, a threading and wire cutting station, a fuse wire induction station, an end welding station, an end cold joint detection station, a pipe head exchange station, a sand filling station, an end welding station, an end cold joint detection station, an impedance test station, a length test station, a pipe cap fastening station, a finished product collection station and a waste product collection station which are sequentially arranged along the periphery of the indexing turntable; the emergency stop control system also comprises a touch display control screen and a start emergency stop switch group;

the outlet end of the protective tube vibration disc is provided with a feeding pipeline connected with a charging station;

the loading station comprises a vertical positioning mechanism and a loading push-out mechanism, the vertical positioning mechanism is connected with the feeding pipeline, and the loading push-out mechanism pushes the positioned protective tube into the clamping mechanism;

the tube hole detection station is provided with a photosensitive sensor for sensing the state of the open hole of the tube hole of the fuse tube;

the position correcting station is used for vertically correcting the protective tubes passing through the station to a uniform height;

the threading and trimming station is provided with a fuse wire feeding mechanism and a trimming mechanism, the fuse wire feeding mechanism is used for vertically penetrating the fuse wire through the fuse tube along the holes at the two ends and trimming the fuse wire along the end head at the upper end of the fuse tube by the trimming mechanism;

the fuse wire induction station is provided with a photosensitive induction probe for monitoring whether a fuse wire is separated from a fuse tube;

the one-end welding station and the two-end welding station are both provided with laser welding devices for butt-welding the end hole parts of the corresponding protective tubes by the tin welding guns;

the tube head exchange station is provided with a grabbing manipulator which overturns at an angle of 180 degrees and grabs and overturns the upper end and the lower end of the protective tube; the sand filling station is used for injecting an explosion-proof material into the inner cavity of the fuse tube;

the one-end and two-end cold joint detection stations are provided with induction probes to be aligned with the welding ends to detect whether the cold joints exist or not;

the impedance test station is used for testing the resistance value of the tubular fuse;

the length testing station is used for testing the length of the tubular fuse;

the pipe cap fastening station is provided with a double-end chuck for clamping and fastening the pipe cap;

the finished product collecting station is used for conveying the qualified fuses to the qualified product bin; the waste collection station is used for sending unqualified fuses to the waste bin; clamping mechanisms at the ends of the charging station, the tube head exchange station, the finished product collecting station and the waste collecting station are provided with clamping opening mechanisms in a matched mode; the clamping opening mechanism is used for driving the clamping mechanism of the station on the indexing turntable to open or close.

2. The automatic tubular fuse welder according to claim 1, characterized in that: still be equipped with between one end rosin joint inspection station and the tube head exchange station with the vibrating mechanism of fuse vibration exit, cut the secondary trimming station of fixed length with the lower extreme fuse, the lower extreme of threading trimming station still is equipped with a vibrating mechanism for vibrate the protective tube when fuse send the line mechanism to carry the fuse so that the fuse passes from the protective tube lower extreme, the secondary trimming station is equipped with trimming mechanism and is used for cutting the fuse that the lower extreme surpassed protective tube length.

3. The automatic tubular fuse welder according to claim 2, characterized in that: the vibrating mechanism is arranged at the lower end of the protective tube and comprises a wire clamping fixture and a vibrator which are arranged up and down, the vibrator is driven by a driving assembly to move up and down, the wire clamping fixture directly collides with the lower end of the protective tube to generate vibration, and a fuse wire in the vibrating protective tube is exposed from an opening at the lower end of the protective tube.

4. An automatic welding machine for tubular fuses according to any one of claims 1 to 3, characterized in that: fixture includes a fixation clamp and a movable clamp to and the movable clamp that makes that sets up of movable clamp is in the piece that resets of clamping state, fixation clamp fixed connection is on the graduation carousel, and the movable clamp middle part articulates in the graduation carousel, the movable clamp centre gripping terminal surface is equipped with the V-arrangement fixed slot with horizontal plane vertically, fixation clamp front end centre gripping terminal surface is equipped with the circular arc fixed slot with horizontal plane vertically, the movable clamp has seted up the fastening extrusion groove with mount rear end portion symmetry, and the groove that resets has been seted up to the terminal surface in the movable clamp rear end, the piece that resets sets up in the inslot that resets and supports in the inboard terminal surface that corresponds of fixation clamp.

5. The automatic tubular fuse welding machine according to claim 4, characterized in that: the indexing rotary table corresponds fixture installation station lower extreme cooperation fixed centre gripping hand and opens and be equipped with the spacing groove, open and press from both sides the mechanism and set up in the fixture rear end that corresponds the station and be in indexing rotary table lower extreme, open and press from both sides the mechanism and include clamping base, driving motor and stir the piece, it sets up in driving motor output shaft upper end to stir the piece and pass through the connecting rod with the clamping base and articulate, the end is equipped with stirs the lug, stirs the lug and drives movable centre gripping hand tail end inwards along with driving motor drive.

6. The automatic tubular fuse welding machine according to claim 4, characterized in that: the tail end of the clamping mechanism corresponding to the threading and trimming station and the tail end of the clamping mechanism at the previous station of the impedance testing station are both provided with fastening mechanisms, each fastening mechanism comprises a fastening base, a driving motor and a pushing block with the upper end being tapered, the pushing block is vertically arranged at the lower end of the fastening extrusion groove, and the driving motor drives the pushing block to move upwards to extrude the fastening extrusion groove.

7. The automatic tubular fuse welding machine according to claim 4, characterized in that: the fuse wire feeding mechanism comprises a fuse wire wheel, a fuse wire feeding wheel set, a displacement driving set, a fuse wire sleeve and a fuse wire guide rod, wherein the fuse wire wheel, the fuse wire feeding wheel set and the fuse wire sleeve are connected to form a fuse wire conveying channel, a fuse wire enters the fuse wire sleeve through transmission of the fuse wire wheel and is fed by the fuse wire feeding wheel set to be initially straightened, and then the fuse wire is conveyed downwards to enter the fuse wire guide rod to be butted with an opening at the upper end of the fuse wire.

8. The automatic tubular fuse welding machine according to claim 4, characterized in that: and laser welding devices arranged on the one-end welding station and the two-end welding station emit a plurality of welding laser beams along the shape of a light spot of the annular ring to be matched with a tin gun to weld the protective tube.

9. The automatic tubular fuse welder according to claim 8, characterized in that: the quantity of the tin guns is set to be two, the two tin guns are arranged in parallel and level with each other, and the discharging end is aligned to the upper end of the welding spot.

10. The automatic tubular fuse welding machine according to claim 4, characterized in that: finished product collecting station and waste product collecting station all set up including pipe passageway of unloading and the striking gear of unloading, the pipe passageway of unloading sets up in the fixture clamping end lower part that corresponds the station, and the striking gear of unloading is equipped with stirs slider and kicking plate, and open and press from both sides mechanism drive fixture clamping, stirs the slider and drives the kicking plate by the drive return stroke and drive the material and break away from fixture and get into pipe passageway of unloading downwards.