阅读说明：本技术 一种自动挂锁组装机及其加工方法 (Automatic padlock assembling machine and machining method thereof ) 是由 刘立新 于 2021-08-31 设计创作，主要内容包括：本发明涉及一种自动挂锁组装机及其加工方法,机架上端安装有水平设置的转盘,转盘中心的主轴由连接步进式减速电机驱动,在转盘上端径向均布安装有八个模具座,转盘对应设置为环形连续的八个工位,第一工位为上料工位；第二工位为过渡工位；第三工位为钢珠上料工位,安装有钢珠上料装置；第四工位为检测工位,安装有光电检测装置；第五工位为扣盖工位,安装有扣盖装置；第六工位为压盖工位,安装有压盖装置；第七工位超声焊接,安装有超声波焊接机；第八工位自动出料,安装有卸料装置。本发明结构简单,操作方便,安全可靠,能够大幅节约人工,并且降低工人的劳动强度及难度,能够显著提升加工效率及产品质量,提升速度。(The invention relates to an automatic padlock assembling machine and a processing method thereof.A horizontally arranged rotary table is arranged at the upper end of a rack, a main shaft at the center of the rotary table is driven by a connecting stepping type speed reducing motor, eight mold seats are radially and uniformly arranged at the upper end of the rotary table, the rotary table is correspondingly arranged into eight annularly continuous stations, and a first station is a feeding station; the second station is a transition station; the third station is a steel ball feeding station and is provided with a steel ball feeding device; the fourth station is a detection station and is provided with a photoelectric detection device; the fifth station is a cover buckling station and is provided with a cover buckling device; the sixth station is a capping station and is provided with a capping device; performing ultrasonic welding at a seventh station, and mounting an ultrasonic welding machine; and the eighth station automatically discharges materials and is provided with a discharging device. The automatic cutting machine is simple in structure, convenient to operate, safe and reliable, capable of greatly saving manpower, reducing labor intensity and difficulty of workers, and capable of remarkably improving machining efficiency and product quality and improving speed.)

1. An automatic padlock assembling machine comprises a rack, a rotary table, mould seats, a steel ball feeding device, a photoelectric detection device, a cover buckling device, a cover pressing device, an ultrasonic welding machine and a discharging device, wherein a stepping speed reducing motor is installed in the rack; the machine frame corresponding to the periphery of the rotary table is provided with eight annularly continuous stations, the rotary table rotates to sequentially pass through a first station to an eighth station, and the first station is a feeding station; the second station is a transition station; the third station is a steel ball feeding station and is provided with a steel ball feeding device; the fourth station is a detection station and is provided with a photoelectric detection device; the fifth station is a cover buckling station and is provided with a cover buckling device; the sixth station is a capping station and is provided with a capping device; performing ultrasonic welding at a seventh station, and mounting an ultrasonic welding machine; and the eighth station automatically discharges materials and is provided with a discharging device.

2. The automatic padlock assembling machine according to claim 1, characterized in that: four supporting wheels are annularly and uniformly arranged on the machine frame below the turntable at intervals.

3. The automatic padlock assembling machine according to claim 1, characterized in that: the steel ball feeding device comprises a hopper, guide pipes, a rotating shaft baffle, an outlet pipe, a screw nut, a ball feeding cylinder and racks on two sides, wherein the hopper is a cylinder with an opening at the upper end, the hopper is fixedly arranged above the rack, two guide pipes in the vertical direction are arranged at the lower end of the hopper, the inner diameter of each guide pipe is matched with the steel balls, and the steel balls in the hopper enter the guide pipes to be sequentially arranged; the lower ends of the guide pipes are respectively provided with a rotating shaft baffle, and the radial end surface of the rotating shaft baffle, which is coaxial with the guide pipes, is provided with a groove capable of accommodating a steel ball; an outlet pipe is fixedly arranged below the rotating shaft baffle, the outlet pipe is coaxial with the guide pipe, and the rotating shaft baffle rotates 180 degrees to send a steel ball at the bottom of the guide pipe into the outlet pipe; nuts are arranged at one axial end of each of the two rotating shaft baffles; the ball feeding cylinder is mounted on the support outside the hopper, the piston rod of the cylinder is connected with two symmetrically-arranged side racks, the two side racks are meshed with nuts on two sides simultaneously, so that the two rotating shaft baffles are driven to rotate synchronously, and the positions of the two outlet pipes correspond to the positions of the padlock where steel balls are to be placed one by one.

4. The automatic padlock assembling machine according to claim 1, characterized in that: the photoelectric detection device comprises a support and detection switches, wherein a cantilever type structure of the support is fixedly arranged on the rack, two photoelectric switches are arranged at the cantilever end of the support and are used for detecting whether steel balls on the die seat are installed in place or not.

5. The automatic padlock assembling machine according to claim 1, characterized in that: the cover buckling device comprises a vertical frame, a cover buckling cylinder, a cover buckling track, a translation sliding block, a lifting cylinder, a connecting plate, a clamping jaw cylinder and a clamping jaw, wherein the cover buckling cylinder and the cover buckling track are arranged at the upper end of the vertical frame in parallel, the translation sliding block is arranged on the cover buckling track in a sliding guide mode, the translation sliding block is connected with a piston rod of the cover buckling cylinder, the lifting cylinder is arranged on one side of the translation sliding block, the connecting plate is fixedly arranged on all piston rods of the lifting cylinder, the clamping jaw cylinder is arranged on the whole section of the connecting plate, and the clamping jaw with a matched cover locking size is arranged at the lower end of the clamping jaw cylinder; the clamping jaw position corresponds to the buckle closure position on the die seat of the station, the direction of the buckle closure track is the tangential direction of the disc, and the clamping jaw is moved to the upper part of the lock box after grabbing the buckle closure and puts down the lock closure.

6. The automatic padlock assembling machine according to claim 1, characterized in that: the discharging device comprises a discharging support, a discharging cylinder, a deflector rod and a slide way, the discharging support is fixedly arranged on the rack, the discharging cylinder in the horizontal direction is supported by the discharging support in a cantilever mode, the deflector rod is arranged at the end of a piston rod of the discharging cylinder, and the deflector rod stretches and retracts in the radial direction of the turntable; an inclined slideway is fixedly arranged on the radial outer side of the turntable corresponding to the direction of the shifting rod, and the processed padlock is shifted into the slideway from the die seat of the eighth station by the discharging cylinder; and an ejector rod cylinder is arranged on the machine frame below the eighth station, an ejector rod is arranged at the upper end of the ejector rod cylinder, and a guide rod can vertically penetrate through a through hole prefabricated by the turntable and the mold base to jack up the padlock upwards.

7. The automatic padlock assembling machine according to claim 1, characterized in that: the main part of mould seat is the rectangle flat plate structure, and the horizontal interval system in mould seat upper end has locking closure groove and lock box groove, and open logical groove has all been made to the vertical both sides in lock box groove, and the logical groove of the vertical one side in lock box groove is used for installing the lock beam, and the logical groove of lock box groove opposite side is used for unloading.

8. An automatic padlock assembling and processing method is characterized in that: the method comprises the following specific steps:

(1) putting a lock box, a lock cover, a lock beam and a lock core to be processed at the corresponding position of the mold seat; the outer part of the lock cover is upwards placed in the lock cover groove, the inner cavity of the lock box is upwards placed in the lock box groove, and a groove for mounting a lock cylinder, a lock beam and steel balls is prefabricated in the lock box;

(2) the turntable rotates, the die seat reaches a third station, and the steel ball feeding device simultaneously conveys two steel balls into a preset steel ball groove in the lock box;

(3) the die seat rotates along with the turntable to reach a fourth station, two photoelectric detection switches of the photoelectric detection device are synchronously started to detect whether two steel balls are installed in place or not, the device normally operates when the correct installation of the steel balls is detected, an alarm is given out when the steel balls are lacked, and manual checking is carried out;

(4) the die provided with the steel balls continuously rotates to a fifth station along with the rotating disc, and the locking cover is buckled on the locking box by the cover buckling device;

(5) the turntable continues to rotate, the die seat which finishes cover buckling reaches a sixth station, and the gland device tightly presses the lock cover and the lock box;

(6) the turntable continues to rotate, the die base completing the capping step continues to move to a seventh station, and the corresponding ultrasonic welding machine above the seventh station works to weld and fix the lock cover and the lock box;

(7) and the turntable continues to rotate, the welded die base reaches the eighth station, and the unloading device sends the welded padlock into the slideway and outputs the padlock to the assembling machine.

9. The automated padlock assembly process of claim 8, wherein: the steel ball feeding device comprises the following concrete steps of conveying steel balls: the ball feeding cylinder is pressed down, the racks on the two sides drive the rotating shaft baffles on the two sides to synchronously rotate through the nuts, and a group of steel balls are discharged; the cylinder resets, and the recess of pivot baffle resets and automatic loading next steel ball waits for the carousel to arrive next station, repeats the action of putting the ball.

10. The automated padlock assembly process of claim 8, wherein: the rotation of the rotary table is driven by a stepping speed reducing motor, and the stepping speed reducing motor is driven by adopting automatic control or adopting a manual pedal to control the rotation rhythm of the rotary table.

Technical Field

The invention belongs to the field of safety equipment, relates to lockset assembling equipment, and particularly relates to an automatic padlock assembling machine and a processing method thereof.

Background

The padlock is a common product in industry and life, a lock beam is arranged in a lock body, and the lock beam is locked or unlocked by controlling a key, so that the function of the lockset is realized. However, at present, parts are mainly placed manually, then a machine is used for stamping and assembling one by one, the assembling procedure is a manual and equipment-matched machining mode, a plurality of workers are needed in the assembling procedure, the machining efficiency is low, the machining efficiency and the machining quality are mainly closely related to the proficiency of the workers, the labor intensity of the workers is high, and products cannot meet the unified machining requirement easily. The lock shell of the prior padlock is made of a plastic shell and can be welded by ultrasonic.

Through search, no prior patent which is the same as or similar to the patent application is found.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the automatic padlock assembling machine which is scientific in design, convenient to operate, safe and reliable.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

an automatic padlock assembling machine comprises a rack, a rotary table, mould seats, a steel ball feeding device, a photoelectric detection device, a cover buckling device, a cover pressing device, an ultrasonic welding machine and a discharging device, wherein a stepping speed reducing motor is installed in the rack; the rotary table is correspondingly provided with eight annularly continuous stations, the rotary table rotates clockwise to sequentially pass through a first station to an eighth station, and the first station is a feeding station; the second station is a transition station; the third station is a steel ball feeding station and is provided with a steel ball feeding device; the fourth station is a detection station and is provided with a photoelectric detection device; the fifth station is a cover buckling station and is provided with a cover buckling device; the sixth station is a capping station and is provided with a capping device; performing ultrasonic welding at a seventh station, and mounting an ultrasonic welding machine; and the eighth station automatically discharges materials and is provided with a discharging device.

And four supporting wheels are annularly and uniformly arranged on the machine frame below the turntable at intervals.

The steel ball feeding device comprises a hopper, guide pipes, a rotating shaft baffle, an outlet pipe, a nut, a ball feeding cylinder and racks on two sides, wherein the hopper is a cylinder with an opening at the upper end, the hopper is fixedly arranged above the rack, two guide pipes in the vertical direction are arranged at the lower end of the hopper, the inner diameter of each guide pipe is matched with the steel balls, and the steel balls in the hopper enter the guide pipes to be sequentially arranged; the lower ends of the guide pipes are respectively provided with a rotating shaft baffle, and the radial end surface of the rotating shaft baffle, which is coaxial with the guide pipes, is provided with a groove capable of accommodating a steel ball; an outlet pipe is fixedly arranged below the rotating shaft baffle, the outlet pipe is coaxial with the guide pipe, and the rotating shaft baffle rotates 180 degrees to send a steel ball at the bottom of the guide pipe into the outlet pipe; nuts are arranged at one axial end of each of the two rotating shaft baffles; the support outside the hopper is provided with a bead feeding cylinder, a piston rod of the cylinder is connected with bilateral racks which are symmetrically arranged, and the bilateral racks are simultaneously meshed with nuts on two sides so as to drive two rotating shaft baffles to synchronously rotate. The positions of the two outlet pipes correspond to the positions of the padlocks where the steel balls are to be placed one by one.

And the photoelectric detection device comprises a bracket and detection switches, wherein the bracket cantilever type structure is fixedly arranged on the rack, and two photoelectric switches are arranged at the cantilever end of the bracket and used for detecting whether the steel balls on the die seat are installed in place or not.

The buckling cover device comprises a vertical frame, a buckling cover cylinder, a buckling cover rail, a translation sliding block, a lifting cylinder, a connecting plate, a clamping jaw cylinder and a clamping jaw, wherein the buckling cover cylinder and the buckling cover rail are arranged at the upper end of the vertical frame in parallel, the translation sliding block is arranged on the buckling cover rail in a sliding guide mode, the translation sliding block is connected with a piston rod of the buckling cover cylinder, the lifting cylinder is arranged on one side of the translation sliding block, the connecting plate is fixedly arranged on all piston rods of the lifting cylinder, the clamping jaw cylinder is arranged on the whole section of the connecting plate, and the clamping jaw with the matched size is arranged at the lower end of the clamping jaw cylinder; the clamping jaw position corresponds to the buckle closure position on the die seat of the station, the direction of the buckle closure track is the tangential direction of the disc, and the clamping jaw is moved to the upper part of the lock box after grabbing the buckle closure and puts down the lock closure.

The discharging device comprises a discharging support, a discharging cylinder, a deflector rod and a slide way, wherein the discharging support is fixedly arranged on the rack, the discharging cylinder in the horizontal direction is supported by the discharging support in a cantilever mode, the deflector rod is arranged at the end part of a piston rod of the discharging cylinder, and the deflector rod stretches and retracts along the radial direction of the turntable; an inclined slideway is fixedly arranged on the radial outer side of the turntable corresponding to the direction of the shifting rod, and the processed padlock is shifted into the slideway from the die seat of the eighth station by the discharging cylinder; and an ejector rod cylinder is arranged on the machine frame below the eighth station, an ejector rod is arranged at the upper end of the ejector rod cylinder, and a guide rod can vertically penetrate through a through hole prefabricated by the turntable and the mold base to jack up the padlock upwards.

And, the main part of mould seat is the rectangle flat plate structure, and the horizontal interval system in mould seat upper end has locking closure groove and lock box groove, and open logical groove has all been made to the vertical both sides in lock box groove, and the logical groove of the vertical one side in lock box groove is used for installing the lock beam, and the logical groove of lock box groove opposite side is used for unloading.

An automatic padlock assembling and processing method is characterized in that: the method comprises the following specific steps:

(1) putting a lock box, a lock cover, a lock beam and a lock core to be processed at the corresponding position of the mold seat; the outer part of the lock cover is upwards placed in the lock cover groove, the inner cavity of the lock box is upwards placed in the lock box groove, and a groove for mounting a lock cylinder, a lock beam and steel balls is prefabricated in the lock box;

(2) the turntable rotates, the die seat reaches a third station, and the steel ball feeding device simultaneously conveys two steel balls into a preset steel ball groove in the lock box;

(3) the die seat rotates along with the turntable to reach a fourth station, two photoelectric detection switches of the photoelectric detection device are synchronously started to detect whether two steel balls are installed in place or not, the device normally operates when the correct installation of the steel balls is detected, an alarm is given out when the steel balls are lacked, and manual checking is carried out;

(4) the die provided with the steel balls continuously rotates to a fifth station along with the rotating disc, and the locking cover is buckled on the locking box by the cover buckling device;

(5) the turntable continues to rotate, the die seat which finishes cover buckling reaches a sixth station, and the gland device tightly presses the lock cover and the lock box;

(6) the turntable continues to rotate, the die base completing the capping step continues to move to a seventh station, and the corresponding ultrasonic welding machine above the seventh station works to weld and fix the lock cover and the lock box;

(7) and the turntable continues to rotate, the welded die base reaches the eighth station, and the unloading device sends the welded padlock into the slideway and outputs the padlock to the assembling machine.

And the steel ball feeding device comprises the following concrete steps of conveying steel balls: the ball feeding cylinder is pressed down, the racks on the two sides drive the rotating shaft baffles on the two sides to synchronously rotate through the nuts, and a group of steel balls are discharged; the cylinder resets, and the recess of pivot baffle resets and automatic loading next steel ball waits for the carousel to arrive next station, repeats the action of putting the ball.

Moreover, the rotation of the rotary table is driven by a stepping speed reducing motor, and the stepping speed reducing motor is driven by adopting automatic control or adopting a manual pedal type to control the rotation rhythm of the rotary table.

The invention has the advantages and positive effects that:

the automatic cutting machine is simple in structure, convenient to operate, safe and reliable, capable of greatly saving manpower, reducing labor intensity and difficulty of workers, and capable of remarkably improving machining efficiency, product quality and speed.

Drawings

FIG. 1 is a front view of the assembling machine;

FIG. 2 is a schematic perspective view of the assembling machine;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of the portion C of FIG. 2;

FIG. 6 is a top plan view of the steel ball loading device;

FIG. 7 is a schematic view of the structure of FIG. 6 taken along the line E-E;

fig. 8 is an enlarged view of a portion D in fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.

An automatic padlock assembling machine comprises a rack 1, a rotary table 3, mould seats 4, a steel ball feeding device 5, a photoelectric detection device 6, a cover buckling device 7, a gland device 8, an ultrasonic welding machine 9 and a discharging device 2, wherein a stepping speed reducing motor 11 is installed in the rack, the rotary table 3 horizontally arranged is installed at the upper end of the rack, a main shaft at the center of the rotary table is driven by a connecting stepping speed reducing motor, a plurality of mould seats 4 are radially and uniformly installed at the upper end of the rotary table, eight mould seats are arranged in the embodiment, the pause position of each mould seat corresponds to a processing station, and a groove for limiting and placing a padlock accessory is formed at the upper end of each mould seat;

the frame that the carousel periphery corresponds sets up to the first to eighth station that the annular is continuous, and see 1 and show, carousel top middle part is first station, and the carousel clockwise rotation passes through first to eighth station in proper order, and the processingequipment of corresponding step is installed to the station, accomplishes the padlock equipment automatically.

The eight stations are specifically: the first station is a feeding station for manual feeding; the second station is a transition station and can also be set as a lock beam feeding station, so that the labor intensity of workers is further reduced; the third station is a steel ball feeding station and is provided with a steel ball feeding device 5; the fourth station is a detection station and is provided with a photoelectric detection device 6; the fifth station is a cover buckling station and is provided with a cover buckling device 7; the sixth station is a capping station and is provided with a capping device 8; ultrasonic welding is carried out at a seventh station, and an ultrasonic welding machine 9 is arranged; and the eighth station automatically discharges materials and is provided with a discharging device 2.

In order to ensure the stability of the working table, four supporting wheels 10 are uniformly arranged on the machine frame below the rotary table at intervals in an annular manner, and the supporting wheels are supported below the rotary table in a rolling manner, so that the supporting force is ensured, and the flexible rotation of the rotary table is not influenced.

The concrete structure of each station is respectively:

referring to the attached drawings 4, 6 and 7, the steel ball feeding device 5 comprises a hopper 5-4, a guide pipe 5-3, a rotating shaft baffle 5-6, an outlet pipe 5-5, a nut 5-7, a ball feeding cylinder 5-1 and bilateral racks 5-2, wherein the hopper 5-4 is a cylinder with an opening at the upper end, the hopper is fixedly arranged above the rack, two guide pipes 5-3 in the vertical direction are arranged at the lower end of the hopper, the inner diameter of each guide pipe is matched with the steel ball, and the steel balls in the hopper enter the guide pipes and are sequentially arranged; the lower ends of the guide pipes are respectively provided with a rotating shaft baffle plate 5-6, and the radial end surface of the rotating shaft baffle plate coaxial with the guide pipes is provided with a groove capable of accommodating a steel ball; an outlet pipe 5-5 is fixedly arranged below the rotating shaft baffle, the outlet pipe is coaxial with the guide pipe, and the rotating shaft baffle rotates 180 degrees to send a steel ball at the bottom of the guide pipe into the outlet pipe; screw nuts 5-7 are respectively arranged at one axial end of each of the two rotating shaft baffles; a bead feeding cylinder 5-1 is installed on a support on the outer side of the hopper, a piston rod of the cylinder is connected with symmetrically arranged bilateral racks 5-2, and the bilateral racks are simultaneously meshed with nuts on two sides, so that two rotating shaft baffles are driven to rotate synchronously. The positions of the two outlet pipes correspond to the positions of the padlocks where the steel balls are to be placed one by one.

Referring to fig. 4, the photoelectric detection device 6 includes a bracket 6-1 and a detection switch 6-2, the bracket cantilever structure is fixedly mounted on the frame, and two photoelectric switches are mounted at the cantilever end of the bracket and used for detecting whether the lower steel ball is mounted in place.

Referring to the attached figure 5, the buckle cover device 7 comprises a vertical frame 7-8, a buckle cover cylinder 7-1, a buckle cover rail 7-3, a translation sliding block 7-2, a lifting cylinder 7-4, a connecting plate 7-5, a clamping jaw cylinder 7-6 and a clamping jaw 7-7, wherein the buckle cover cylinder and the buckle cover rail are arranged at the upper end of the vertical frame in parallel, the translation sliding block is arranged on the buckle cover rail in a sliding guide manner, the translation sliding block is connected with a piston rod of the buckle cover cylinder, the lifting cylinder is arranged at one side of the translation sliding block, the connecting plate is fixedly arranged on the piston rod of the lifting cylinder, the clamping jaw cylinder is arranged at the whole section of the connecting plate, and the clamping jaw with the matched size is arranged at the lower end of the clamping jaw cylinder; the clamping jaw position corresponds to the buckle closure position on the die seat of the station, the direction of the buckle closure track is the tangential direction of the disc, and the clamping jaw is moved to the upper part of the lock box after grabbing the buckle closure and puts down the lock closure.

Referring to fig. 8, the capping device 8 includes a capping support 8-3, a capping cylinder 8-1 and a pressing plate 8-2, the capping support is fixedly mounted on the frame, the capping cylinder is vertically supported by a cantilever, the pressing plate is fixedly mounted at the lower end of a piston rod of the capping cylinder, and the pressing plate corresponds to a position above a lock box groove of the sixth station.

Referring to the attached figure 8, the discharging device 2 comprises a discharging support 2-2, a discharging cylinder 2-1, a deflector rod 2-6 and a slideway 2-3, the discharging support is fixedly arranged on the frame, the discharging cylinder in the horizontal direction is supported by the discharging support in a cantilever manner, the deflector rod 2-6 is arranged at the end part of a piston rod of the discharging cylinder, and the deflector rod extends and retracts along the radial direction of the turntable; an inclined slideway 2-3 is fixedly arranged on the radial outer side of the turntable corresponding to the direction of the shifting rod, and the processed padlock is shifted into the slideway from the die seat of the eighth station by the discharging cylinder and guided and output to the finished product bin.

In order to facilitate unloading, a push rod cylinder 2-4 is installed on the machine frame below the eighth station, a push rod 2-5 is installed at the upper end of the push rod cylinder, and a guide rod can vertically penetrate through holes prefabricated in the rotary table and the die base and jacks up the padlock.

The structure of the die seat is shown in the attached drawing, a main body 4-2 of the die seat is of a rectangular flat plate structure, lock cover grooves 4-2 and lock box grooves 4-3 are transversely formed at intervals at the upper end of the die seat, open through grooves are formed in the longitudinal two sides of each lock box groove, the through grooves in the longitudinal side of each lock box groove are used for installing lock beams 12-4, and the through grooves in the other side of each lock box groove are used for discharging. The lock cover 12-1 is placed in the lock cover groove with the outer part facing upwards, the lock box 12-2 is placed in the lock box groove with the inner cavity facing upwards, and a groove for installing the lock cylinder, the lock beam 12-4 and the steel ball 12-3 is pre-formed in the lock box.

An automatic padlock assembling and processing method comprises the following specific steps:

(1) putting a lock box, a lock cover, a lock beam and a lock core to be processed at the corresponding position of the mold seat;

(2) the turntable rotates, the die seat reaches a third station, and the steel ball feeding device simultaneously conveys two steel balls into a preset steel ball groove in the lock box;

the steel ball feeding device comprises the following concrete steps of conveying steel balls: the ball feeding cylinder is pressed down, the racks on the two sides drive the rotating shaft baffles on the two sides to synchronously rotate through the nuts, and a group of steel balls are discharged; the cylinder resets, and the recess of pivot baffle resets and automatic loading next steel ball waits for the carousel to arrive next station, repeats the action of putting the ball.

(3) The die seat rotates along with the turntable to reach a fourth station, two photoelectric detection switches of the photoelectric detection device are synchronously started to detect whether two steel balls are installed in place or not, the device normally operates when the correct installation of the steel balls is detected, an alarm is given out when the steel balls are lacked, and manual checking is carried out;

(4) the die provided with the steel balls continuously rotates to a fifth station along with the rotating disc, and the locking cover is buckled on the locking box by the cover buckling device;

(5) the turntable continues to rotate, the die seat which finishes cover buckling reaches a sixth station, and the gland device tightly presses the lock cover and the lock box;

(6) the turntable continues to rotate, the die base completing the capping step continues to move to a seventh station, and the corresponding ultrasonic welding machine above the seventh station works to weld and fix the lock cover and the lock box;

(7) and the turntable continues to rotate, the welded die base reaches the eighth station, and the unloading device sends the welded padlock into the slideway and outputs the padlock to the assembling machine.

The rotation of the rotary disk is driven by a stepping speed reducing motor, and the rotation is controlled continuously by adopting automatic control, or the rotation rhythm of the rotary disk can be controlled by adopting a manual pedal.

The ultrasonic welding machine is the prior art, and the specific structure of the ultrasonic welding machine is not described in the embodiment.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.