Automatic assembly equipment for padlocks

Abstract

The present invention provides a padlock automatic assembly device, including a frame, a turntable assembly mechanism, a lock body mechanism, a spring installation mechanism, a lock hook mechanism, a nameplate installation mechanism, and a rivet installation mechanism. The turntable assembly mechanism, the lock body mechanism, the spring installation mechanism, the lock hook mechanism, the nameplate installation mechanism, and the rivet installation mechanism are all fixedly arranged on the frame; the turntable assembly mechanism is fixedly arranged at the center of the frame, and the lock body mechanism, the spring installation mechanism, the lock hook mechanism, the nameplate installation mechanism, and the rivet installation mechanism are sequentially arranged around the outer edge of the turntable assembly mechanism in a clockwise order. The padlock automatic assembly device of the present invention can highly automatically complete the automatic assembly of various accessories, greatly improving the assembly efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of padlock automatic assembly equipment, and in particular relates to padlock automatic assembly equipment. Background Art

[0002] Padlock is a common lock. With the development of technology and the increase in labor costs, the existing production and assembly methods have increased material costs and labor costs. If the assembly of various lock body accessories still relies on manual assembly, it will result in low production efficiency and excessively high production costs. Summary of the invention

[0003] The purpose of the present invention is to provide a padlock automatic assembly device, which can highly automatically complete the automatic assembly of various accessories, thereby greatly improving the assembly efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] An automatic padlock assembly device comprises a frame, a turntable assembly mechanism, a locking body mechanism, a spring installation mechanism, a lock hook installation mechanism, a nameplate installation mechanism, and a rivet installation mechanism;

[0006] The turntable assembly mechanism, the upper locking mechanism, the spring installation mechanism, the lock hook installation mechanism, the nameplate installation mechanism, and the rivet installation mechanism are all fixedly arranged on the frame; the turntable assembly mechanism is fixedly arranged at the center of the frame, and the upper locking mechanism, the spring installation mechanism, the lock hook installation mechanism, the nameplate installation mechanism, and the rivet installation mechanism are sequentially arranged around the outer edge of the turntable assembly mechanism in a clockwise order;

[0007] The locking body mechanism comprises a stepping motor, a feeding synchronous belt, a driven synchronous pulley, a driving synchronous pulley, and a feeding beam; a pulley mounting seat is arranged at the front end of the feeding beam, and a motor mounting seat is arranged at the rear end thereof.

[0008] The stepper motor and driven synchronous pulley are fixed on the motor mounting seat and the pulley mounting seat respectively. The front and rear ends of the feeding synchronous belt are respectively sleeved on the driven synchronous pulley and the driving synchronous pulley, and a feeding beam is provided in the middle; the driving synchronous pulley is connected to the output shaft of the stepper motor. The surface of the feeding synchronous belt is provided with a plurality of vertically arranged card plates, and a card slot is provided between adjacent card plates, and the lock body is provided in the card slot. Lock body baffles are provided on both sides of the feeding beam to limit the lock body from sliding out from both sides of the card slot. When the equipment is running, the lock body is generally placed in the card slot on the synchronous belt manually to complete the loading.

[0009] The turntable assembly mechanism includes a turntable motor, a divider, a turntable, a fixed plate, a center support, a clamping and locking tool, and a tool opening device. The center of the turntable is connected to the turntable motor through the divider, and the fixed plate is fixed on the shell of the divider through the center support, and the turntable and the fixed plate are coaxially arranged. The turntable motor drives the turntable to rotate to the next station. The edge of the turntable is provided with a plurality of clamping and locking tools, and the clamping and locking tools are used to clamp and fix the lock body. The clamping and locking tool includes a linear slide assembly, a clamp, a clamping die, a connecting shaft, a center shaft, a rocker arm, a rocker arm connecting rod, and a tension spring; the linear slide assembly includes a slide rail and two sliders; the two sliders are separately arranged on the slide rail, and the tops of the sliders are respectively fixedly connected to the clamps, and the front end of the clamp is fixed with a clamping die, and the inner side of the clamping die is provided with a groove that matches the shape and size of the edge of the lock body. A connecting shaft is provided at the top of the clamping plate, and a vertically arranged central shaft is fixed to the middle section of the slide rail; one end of the swing arm connecting rod is sleeved on the connecting shaft, and a bearing is sleeved at the connecting part of the two, and the other end is hinged with one end of the swing arm; the swing arm is sleeved on the central shaft, and a bearing is sleeved at the connecting part of the two. The two ends of the tension spring are respectively connected to the top of the connecting shaft. The tooling opening device includes a mold opening cylinder and a mold opening triangular push block. The front end of the output shaft of the mold opening cylinder is connected to the mold opening triangular push block, and the mold opening cylinder can drive the mold opening triangular push block to move back and forth repeatedly. An opening and closing bearing is provided at the end of the clamping plate. When the mold opening triangular push block is pushed forward, the inclined surface of the mold opening triangular push block pushes the opening and closing bearing to move the clamping plate to both sides, thereby realizing mold opening (opening the clamping and locking tooling). The clamping and locking tooling needs to be opened when the lock body is clamped and unloaded. A protective cover is also provided on the top of the clamping and locking tooling.

[0010] The spring loading mechanism comprises a spring unloading vibration plate, a spring feeding channel assembly, a spring pushing cylinder, an unloading hopper, a spring mold, and a spring mold lifting cylinder.

[0011] The output port of the spring feeding vibration plate is connected to the feeding port of the spring feeding channel assembly, and the discharge port of the spring feeding channel assembly is connected to the lower hopper. A spring mold is arranged directly below the lower hopper, and the spring mold is fixed on the spring mold lifting cylinder. The spring push cylinder is horizontally arranged at the front side of the spring mold, and its output shaft is connected to the horizontally arranged ejector; the upper surface of the spring mold is provided with a spring slide groove, and the spring to be assembled is pushed into the spring hole of the lock body by the feeding ejector in the spring slide groove. The spring mold lifting cylinder drives the spring mold to rise to the bottom of the lower hopper to receive a spring, and then descends to the starting position, and then the spring push cylinder pushes the spring into the lock body. The spring feeding channel assembly includes a spring baffle, a baffle cylinder, and a feeding pipeline; the spring baffle can be inserted into the feeding pipeline (the feeding pipeline is divided into two sections, and the gap between the two sections is the telescopic activity area of ​​the spring baffle), blocking the spring from feeding downward to ensure that the springs are fed one by one. The output shaft of the baffle cylinder is connected to the spring baffle, and the spring baffle is pushed to control the opening and closing of the feeding cavity of the feeding pipeline.

[0012] The locking hook installation mechanism includes a locking hook unloading vibration plate, an unloading chute, a locking hook bottom mold, a locking hook pushing cylinder, and a locking hook pushing plate. The discharge port of the locking hook unloading vibration plate is connected to the upper end of the unloading chute, and the lower end of the unloading chute is arranged above the locking hook bottom mold. A locking hook chute is arranged above the locking hook bottom mold, and a locking hook pushing plate is arranged at the front end of the locking hook chute. The locking hook pushing plate is connected to the output shaft of the locking hook pushing cylinder. The rear end of the locking hook chute corresponds to the clamping lock tooling and the lock body to be assembled on the clamping lock tooling. A material blocking hook plate is arranged on the outer side of the vertical part of the unloading chute to ensure that the locking hook is accurately transported to the locking hook chute of the locking hook bottom mold. A cover plate is also arranged on the upper top surface of the locking hook chute. Briefly describe the working principle: the lock hook is guided from the discharge port of the lock hook unloading vibration disk to the unloading chute, and guided by the unloading chute, the lock hook enters the lock hook slide groove on the lock hook bottom mold, and then the lock hook push cylinder pushes the lock hook push plate, the lock hook push plate pushes the lock hook to feed, and completes the assembly of the lock hook and the lock body. An iron pin introduction assembly is also provided above the lock hook bottom mold, which is used to introduce the iron pin from the pin hole into the lock body and engage the notch on the lock hook. The iron pin introduction assembly includes an iron pin unloading vibration disk, an iron pin unloading conduit, an iron pin stopper, and a stopper cylinder; the iron pin unloading conduit includes two guide pipes arranged at intervals, and the iron pin stopper is arranged in the interval between the two guide pipes, and the end face of the iron pin stopper is connected to the output shaft of the stopper cylinder. Under different operating conditions of the block cylinder, the iron pin block blocks the material guide channel and opens the material guide channel, so as to realize the one-by-one feeding of the iron pins (when the block cylinder contracts, it drives the iron pin baffle to withdraw from the "interval" area, so that the material guide channel is opened, and the iron pins enter the lower material guide pipe from the upper material guide pipe).

[0013] It also includes a hole enlargement component. If the rivet hole on the lock body is too small to facilitate subsequent rivet assembly (the lock body is usually provided by the supplier, and the mounting holes on the lock body are all processed by the supplier), the hole enlargement is required. The hole enlargement component includes a power motor, a drill bag, a drill bit, and a lifting slide, all of which are existing technologies and will not be described here.

[0014] The nameplate installation mechanism comprises a nameplate conveying component and a nameplate pre-installing component.

[0015] The nameplate conveying assembly includes a nameplate unloading vibration plate, a double bridge shaft, a suction cup assembly, a rotating plate, a stepper motor, and a nameplate orientation correction assembly. The discharge port of the nameplate unloading vibration plate is connected to the material guide track, and the material guide track is fixed on the front vibrator; a double bridge shaft is provided on the inner side of the end of the material guide track, and the double bridge shaft is vertically fixed on the frame, and a double bridge groove is provided on it, which is used to temporarily place the nameplate on the double bridge groove. A suction cup assembly is provided above the double bridge shaft, and the suction cup assembly is used to unload the nameplate from the material guide track to the double bridge groove, and transfer the nameplate on the double bridge groove to the rotating plate (specifically, to the nameplate station seat on the rotating plate).

[0016] The suction cup assembly includes two vacuum suction nozzles, a suction nozzle mounting plate, and a cross slide. The vacuum suction nozzle is fixed on the suction nozzle mounting plate, and the suction nozzle mounting plate is fixed on the cross slide. The cross slide can move the suction nozzle mounting plate along the X and Y directions. The cross slide (cross slide seat) is a conventional technology and will not be described here. It includes a horizontal push rodless cylinder, a vertical push cylinder, a horizontal rail, a vertical rail, a horizontal slide seat, and a vertical slide seat.

[0017] The bottom of the center of the rotating disk is connected to the output shaft of the stepper motor, and the stepper motor drives the rotating disk to rotate; the edge of the rotating disk is provided with several nameplate placement stations; the nameplate placement station includes a nameplate placement mold, a small rotating disk, a rotating rod, and a rotating sleeve; the bottom of the small rotating disk is connected to the rotating rod, the bottom of the rotating rod is connected to the rotating sleeve, and the top of the small rotating disk is fixed with a nameplate placement mold; two vertically arranged positioning pins are provided on both sides of the upper surface of the nameplate placement mold, and a clearance groove is provided in the middle section. The nameplate is placed on the nameplate placement mold through a suction nozzle, and the positioning pin passes through the rivet hole on the nameplate to limit and fix it. The bottom of the rotating sleeve is provided with a groove 2 with a trapezoidal cross section.

[0018] The nameplate orientation correction component includes a rotary cylinder, a cylinder rotating head, a lifting cylinder 2, a cylinder mounting seat, a rotary cylinder mounting plate, and an image acquisition system; the cylinder mounting seat is fixed on the frame, the lifting cylinder 2 is vertically fixed on the cylinder mounting seat, the output shaft of the lifting cylinder 2 is connected to the horizontally arranged rotary cylinder mounting plate, the rotary cylinder mounting plate is fixed with a rotary cylinder, and the output shaft of the rotary cylinder is connected to the cylinder rotating head. The image acquisition system is arranged above the rotating disk and in the workstation in front of the rotary cylinder. It is used to photograph the orientation of the nameplate. When the image acquisition system finds that the font direction of the nameplate is inverted, the nameplate needs to be rotated 180°. At this time, the lifting cylinder 2 is controlled to push the rotary cylinder to rise to the bottom of the rotating sleeve and dock with the rotating sleeve through the cylinder rotating head, and then the rotating sleeve and the nameplate thereon are driven to rotate 180° through the rotating cylinder to complete the correction of the nameplate orientation.

[0019] The nameplate pre-installation assembly includes a nameplate pick-up and placement assembly and a rivet pre-installation assembly;

[0020] The nameplate picking and placing assembly includes an upper clamp, a lower clamp, two guide rails, two slides, two tension springs, a push-up cylinder, two rolling bearings, a second mounting seat, a transverse cylinder, and a connecting plate; a rotating shaft is provided at the tail of the upper clamp, and two rolling bearings are sleeved on the rotating shaft. A seesaw bearing is provided on one side of the second rolling bearing, and the seesaw bearing includes a rolling bearing and two seesaws symmetrically fixed on the outer wall of the rolling bearing; one seesaw is provided at the bottom of the second rolling bearing, and the other seesaw is provided at the bottom of the output shaft of the push-up cylinder. The two ends of the tension spring are respectively fixed on the upper clamp and the lower clamp. The lower clamp is fixed on the second mounting seat, and the second mounting seat is vertically fixed with a guide rail, and the second guide rail is fixed with a slide, and the second slide is fixed with an upper clamp. The second mounting seat is connected to the output end of the transverse cylinder through a connecting plate.

[0021] The push cylinder pushes the rocker on one side of the rocker bearing, so that the rocker on the other side tilts up the upper clamping jaw, so that the upper clamping jaw is separated from the lower clamping jaw. When the nameplate is between the upper clamping jaw and the lower clamping jaw, the push cylinder is reset, and under the action of the second tension spring, the upper clamping jaw and the lower clamping jaw are combined to clamp the nameplate.

[0022] A rivet pre-installed component is provided above the second mounting seat.

[0023] The rivet pre-assembly assembly includes a mounting seat three, an aluminum profile mounting frame, a riveting cylinder, a pressure needle, a rivet feeding tube, a rivet feeding device, and a pre-assembly die. The pre-assembly die is provided with a rivet inlet hole on the side, a pin inlet hole on the top, and a rivet outlet hole on the bottom, and the rivet inlet hole, the rivet outlet hole, and the pin inlet hole are interconnected. The discharge port of the rivet feeding device is connected to the rivet feeding tube, and the bottom end of the rivet feeding tube is connected to the rivet inlet hole on the side of the pre-assembly die. The riveting cylinder is vertically fixed on the top of the aluminum profile mounting frame, and its output end is connected to the mounting seat three, the mounting seat three is fixed on the slide three, the slide three is set on the slide rail three, and the slide rail three is vertically fixed on the aluminum profile mounting frame. The upper part of the pressure needle is vertically fixed on the mounting seat three, and the lower part is inserted into the pin inlet hole of the pre-assembly die. When the rivet enters the pre-installed die head from the rivet inlet hole, the pressure riveting cylinder pushes the pressure pin downward, and the pressure pin pushes the rivet out of the rivet outlet hole and pushes the rivet into the rivet hole of the lock body. There are two pressure pins and two pre-installed die heads.

[0024] The riveting mechanism comprises a pressing cylinder, a pressing die, and a mounting seat 4, wherein the mounting seat 4 is fixed on the frame, the pressing cylinder is vertically arranged on the mounting seat 4, and its output shaft is connected to the pressing die. The bottom surface of the pressing die is an arc-shaped concave surface, which fits the arc-shaped surface of the upper surface of the lock body.

[0025] A discharging device is arranged thereafter, and the tool opening device can be used to open the clamping tool, and the lock body falls into the material receiving box in the material discharging groove and slides out of the equipment.

[0026] It also includes a PLC control system, which is embedded on the shell cover of the frame.

[0027] Briefly describe its working principle: This equipment provides an assembly device for automatic padlock assembly machines. This machine includes a turntable assembly mechanism, a nameplate installation mechanism, a lock hook installation mechanism, a spring installation mechanism, a lock body installation mechanism, and a rivet installation mechanism. This machine first sends the lock body mechanism to a fixed position by the synchronous belt, and the cylinder of the turntable opening device extends to open the clamp that clamps the lock body, and then the claw cylinder is sent to the clamp, the cylinder of the opening device retracts, the clamp clamps the lock body, and then the turntable rotates to the next station. The spring installation mechanism puts the springs into the spring pipe one by one through the vibration plate, and then the spring clamping mechanism limits the spring to go down one at a time, and then the cylinder pushes the spring into the hole of the lock body, the turntable rotates to the next station, and the lock hook installation machine The mechanism arranges the lock hooks neatly through the vibration plate, and then pushes the spring-loaded lock body through the cylinder to complete the installation of the lock hooks. The turntable rotates once and goes to the next station. The nameplate installation mechanism first uses the vibration plate to transport the nameplates one by one, and then uses the suction head to suck the nameplates onto the turntable. The turntable first turns to the image to check whether the nameplate is facing up. Then the turntable turns to the nameplate removal position and sucks it onto the lock body through the suction head. The turntable rotates once and goes to the next station. The rivet installation mechanism drives two rivets together into the holes of the lock body to fix the nameplate. The lock body is assembled, the turntable rotates once and goes to the next station. The cylinder of the turntable opening device extends to open the clamp of the lock body and let the lock body fall. If the padlock has other components and accessories, manual assembly is used.

[0028] The beneficial effects of the present invention are:

[0029] It can complete the automatic assembly of various accessories with a high degree of automation, greatly improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Turntable assembly mechanism, locking body mechanism, spring installation mechanism, lock hook installation mechanism, nameplate installation mechanism, rivet installation mechanism.

[0031] Figure 1 It is a schematic structural diagram of the padlock automatic assembly equipment of the present invention.

[0032] Figure 2 It is a top view of the padlock automatic assembly equipment of the present invention.

[0033] Figure 3 It is a structural schematic diagram of the upper locking body mechanism of the present invention.

[0034] Figure 4 It is a schematic structural diagram of the clamping robot of the present invention.

[0035] Figure 5 It is a schematic structural diagram of the turntable type assembly mechanism of the present invention (the clamping fixture and fixture opening device are not shown).

[0036] Figure 6It is a schematic structural diagram of the clamping tool of the present invention.

[0037] Figure 7 It is a top view of the clamping tool of the present invention.

[0038] Figure 8 It is a schematic diagram of the coordination of the clamping fixture and the fixture opening device of the present invention.

[0039] Fig. 9 It is a schematic structural diagram of the spring loading mechanism of the present invention (the spring unloading vibration plate is not shown).

[0040] Fig.10 It is a schematic diagram of the structure of the locking hook mechanism of the present invention (the hook locking unloading vibration plate is not shown).

[0041] Fig.11 It is a schematic structural diagram of the iron pin introduction assembly of the present invention (the iron pin unloading vibration plate is not shown).

[0042] Fig.12 It is a structural schematic diagram of the nameplate mounting mechanism of the present invention (the nameplate unloading vibration plate is not shown).

[0043] Fig.13 It is a schematic structural diagram of the suction cup assembly of the present invention.

[0044] Fig.14 It is a schematic diagram of the structure of the nameplate conveying assembly of the present invention (the nameplate unloading vibration plate and suction cup assembly are not shown).

[0045] Fig.15 It is a structural schematic diagram of the nameplate placement station of the present invention.

[0046] Fig.16 It is a partial schematic diagram of the nameplate mounting mechanism of the present invention.

[0047] Fig.17 It is a partial schematic diagram of the nameplate mounting mechanism of the present invention.

[0048] Fig.18 for Fig.17 Enlarged view at bottom.

[0049] Fig.19 It is a structural schematic diagram of the pre-installed die head of the present invention.

[0050] Fig. 20 It is a structural schematic diagram of the riveting mechanism of the present invention. DETAILED DESCRIPTION

[0051] 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.

[0052] like Figure 1-20 As shown, an automatic padlock assembly device includes a frame 1, a turntable assembly mechanism 2, a lock body mechanism 3, a spring installation mechanism 4, a lock hook installation mechanism 5, a nameplate installation mechanism 6, and a rivet installation mechanism 7;

[0053] The turntable assembly mechanism 2, the upper locking mechanism 3, the spring installation mechanism 4, the lock hook installation mechanism 5, the nameplate installation mechanism 6, and the rivet installation mechanism 7 are all fixedly arranged on the frame 1; the turntable assembly mechanism 2 is fixedly arranged at the center of the frame 1, and the upper locking mechanism 3, the spring installation mechanism 4, the lock hook installation mechanism 5, the nameplate installation mechanism 6, and the rivet installation mechanism 7 are sequentially arranged on the outer edge of the turntable assembly mechanism 2 in a clockwise order;

[0054] The upper lock mechanism 3 includes a stepper motor 31, a feeding synchronous belt 32, a driven synchronous pulley 33, a driving synchronous pulley 34, and a feeding beam 35; the front end of the feeding beam 35 is provided with a pulley mounting seat 36, and the rear end thereof is provided with a motor mounting seat 37. The stepper motor 31 and the driven synchronous pulley 33 are fixed on the motor mounting seat 37 and the pulley mounting seat 36, respectively. The front and rear ends of the feeding synchronous belt 32 are respectively sleeved on the driven synchronous pulley 33 and the driving synchronous pulley 34, and the middle part is provided with a feeding beam 35; the driving synchronous pulley 34 is connected to the output shaft of the stepper motor 31. The surface of the feeding synchronous belt 32 is provided with a plurality of vertically arranged card plates 38, and a card slot 39 is provided between adjacent card plates 38, and the lock body 8 is provided in the card slot 39. The two side surfaces of the feeding beam 35 are provided with lock body baffles 351 to limit the lock body from sliding out from both sides of the card slot 39. When the equipment is running, the lock body 8 is generally placed manually in the card slot 39 on the feeding synchronous belt 3 to complete the feeding.

[0055] A clamping manipulator 10 is provided between the upper lock body mechanism 3 and the turntable assembly mechanism 2 , and is used to transfer the lock body 8 on the upper lock body mechanism 3 to the turntable assembly mechanism 2 , specifically: clamping it on the clamping lock tooling 25 .

[0056] like Figure 4 As shown, the clamping manipulator 10 includes a mounting stand 105, a lock transfer cylinder 101, a lock transfer slide rail, a lock transfer slide, a vertical transfer cylinder 102, a pneumatic finger 103, and a clamping claw 104. The clamping manipulator 10 is a conventional technical means, and its connection relationship is as follows Figure 4 As shown, no further repetition is given here.

[0057] The turntable assembly mechanism 2 includes a turntable motor 21, a divider 22, a turntable 23, a fixed plate 24, a central support, a clamping and locking tool 25, and a tool opening device 26. The center of the turntable 23 is connected to the turntable motor through the divider 22, and the fixed plate 24 is fixed on the housing of the divider 22 through the central support. The turntable 23 and the fixed plate 24 are coaxially arranged. The turntable motor drives the turntable 23 to rotate to the next station. The edge of the turntable 23 is provided with a plurality of clamping and locking tools 25, which are used to clamp and fix the lock body 8. The clamping lock tool 25 includes a linear slide assembly, a clamp plate 252, a clamp die 253, a connecting shaft 254, a central shaft 255, a swing rod 256, a swing rod connecting rod 257, and a tension spring 258; the linear slide assembly includes a slide rail 27 and two sliders 28; the two sliders 28 are arranged on the slide rail 27, and the tops of the sliders 28 are respectively fixedly connected to the clamp plate 252, and the front end of the clamp plate 252 is fixed with a clamp die 253, and the inner side of the clamp die 253 is provided with a groove that matches the shape and size of the lock body edge. The top of the clamp plate 252 is provided with a connecting shaft 254, and the middle section of the slide rail 27 is fixed with a vertically arranged central shaft 255; one end of the swing rod connecting rod 257 is sleeved on the connecting shaft 254, and the connecting part of the two is sleeved with a bearing 29, and the other end is hinged with one end of the swing rod 256; the swing rod 256 is sleeved on the central shaft 255, and the connecting part of the two is sleeved with a bearing 29. Two ends of the tension spring 258 are respectively connected to the top of the connecting shaft 254 .

[0058] The tool opening device 26 includes a mold opening cylinder 261 and a mold opening triangular push block 262. The front end of the output shaft of the mold opening cylinder 261 is connected to the mold opening triangular push block 262. The mold opening cylinder 261 can drive the mold opening triangular push block 262 to move back and forth repeatedly. The end of the clamping plate 252 is provided with an opening and closing bearing 259. When the mold opening triangular push block 262 is pushed forward, the inclined surface of the mold opening triangular push block 262 pushes the opening and closing bearing 259 to move the clamping plate 252 to both sides, thereby realizing mold opening (opening the clamping and locking tool 25). The clamping and locking tool 25 needs to be opened when the lock body 8 is clamped and unloaded. The top of the clamping and locking tool 25 is also covered with a protective cover 250.

[0059] The spring loading mechanism 4 includes a spring unloading vibration plate 41 , a spring feeding channel assembly 42 , a spring pushing cylinder 43 , an unloading hopper 44 , a spring mold 45 , and a spring mold lifting cylinder 46 .

[0060] The output port of the spring feeding vibration plate 41 is connected to the feed port of the spring feeding channel assembly 42, and the discharge port of the spring feeding channel assembly 42 is connected to the lower hopper 44. A spring mold 45 is arranged directly below the lower hopper 44, and the spring mold 45 is fixed on the spring mold lifting cylinder 46. The spring push cylinder 43 is horizontally arranged at the front side of the spring mold 45, and its output shaft is connected to the horizontally arranged ejector 431; the upper surface of the spring mold 45 is provided with a spring slide 451, and the spring to be assembled is in the spring slide 451, and is pushed into the spring installation hole of the lock body 8 by the feeding ejector 431. Specifically, the spring mold lifting cylinder 46 drives the spring mold 45 to rise to the bottom of the lower hopper 44 to receive a spring, and then descends to the starting position, and then the spring push cylinder 43 pushes the spring into the lock body 8. The spring feeding channel assembly 42 includes a spring baffle 421, a baffle cylinder 422, and a feeding pipeline 423; the spring baffle 421 can be inserted into the feeding pipeline 423 (the feeding pipeline is divided into two sections, and the gap between the two ends is the telescopic activity area of ​​the spring baffle 421), blocking the spring from feeding downward to ensure that the springs are fed one by one. The output shaft of the baffle cylinder 422 is connected to the spring baffle 421, pushing the spring baffle 421 to control the opening and closing of the feeding channel of the feeding pipeline.

[0061] The locking hook installation mechanism 5 includes a locking hook unloading vibration plate 51, an unloading chute 52, a locking hook bottom die 53, a locking hook pushing cylinder 54, and a locking hook pushing plate 55. The discharge port of the locking hook unloading vibration plate 51 is connected to the upper end of the unloading chute 52, and the lower end of the unloading chute 52 is arranged above the locking hook bottom die 53. A locking hook chute 56 is arranged above the locking hook bottom die 53, and a locking hook pushing plate 55 is arranged at the front end of the locking hook chute 56. The locking hook pushing plate 55 is connected to the output shaft of the locking hook pushing cylinder 54. The rear end of the locking hook chute 56 corresponds to the clamping lock fixture 25 and the lock body to be assembled on the clamping lock fixture 25. A material blocking hook plate 57 is arranged on the outer side of the vertical part of the unloading chute 52 to ensure that the locking hook 9 is accurately transported into the locking hook chute 56 of the locking hook bottom die 53. A cover plate 58 is also arranged on the upper top surface of the locking hook chute 56. Briefly describe the working principle: the lock hook 9 is guided from the discharge port of the lock hook feeding vibration disk 51 to the feeding chute 52, and guided by the feeding chute 52, the lock hook enters the lock hook chute 56 on the lock hook bottom mold 53, and then the lock hook push cylinder 54 pushes the lock hook push plate 55, and the lock hook push plate 55 pushes the lock hook to feed, and completes the assembly of the lock hook 9 and the lock body 8. An iron pin introduction component 58 is also provided above the lock hook bottom mold 53, which is used to introduce the iron pin from the pin hole into the lock body 8 and engage the notch on the lock hook 9. The iron pin introduction component 58 includes an iron pin feeding vibration disk 581, an iron pin feeding conduit 582, an iron pin stopper 583, and a stopper cylinder 584; the iron pin feeding conduit 582 includes two guide pipes arranged at intervals, and the iron pin stopper 583 is arranged in the interval between the two guide pipes, and the end face of the iron pin stopper 583 is connected to the output shaft of the stopper cylinder 584. Under different operating conditions of the block cylinder 584, the iron pin block 583 blocks the material guide channel and opens the material guide channel, so as to realize the one-by-one feeding of the iron pins (when the block cylinder 584 contracts, it drives the iron pin baffle to withdraw from the "interval" area, so that the material guide channel is opened, and the iron pins enter the lower material guide tube from the upper material guide tube).

[0062] It also includes a hole enlarging component 511. If the rivet hole on the lock body 8 is too small to facilitate subsequent rivet assembly (the lock body is usually provided by the supplier, and the mounting holes on the lock body are all processed by the supplier), the hole enlarging component includes a power motor, a drill bag, a drill bit, and a lifting slide, all of which are existing technologies and will not be described here.

[0063] The nameplate installation mechanism 6 includes a nameplate conveying component and a nameplate pre-installation component 62 .

[0064] The nameplate conveying assembly includes a nameplate unloading vibration plate 611, a material guide track 617, a double bridge shaft, a suction cup assembly 613, a rotating plate 614, a stepper motor 2 615, and a nameplate orientation correction assembly 616. The discharge port of the nameplate unloading vibration plate 611 is connected to the material guide track 617, and the material guide track 617 is fixed on the front vibrator; a double bridge shaft is provided on the inner side of the end of the material guide track 617, and the double bridge shaft is vertically fixed on the frame 1, and a double bridge groove is provided on it, which is used to temporarily place the nameplate on the double bridge groove. A suction cup assembly 613 is provided above the double bridge shaft, and the suction cup assembly 613 is used to unload the nameplate from the material guide track 617 to the double bridge groove, and transfer the nameplate on the double bridge groove to the rotating plate 614 (specifically, to the nameplate station seat on the rotating plate 614).

[0065] The suction cup assembly 613 includes two vacuum suction nozzles 6131, a suction nozzle mounting plate 6132, and a cross slide 6133. The vacuum suction nozzle 6131 is fixed on the suction nozzle mounting plate 6132, and the suction nozzle mounting plate 6132 is fixed on the cross slide 6133; the cross slide 6133 can make the suction nozzle mounting plate 6132 move along the X and Y directions. The cross slide 6133 (cross slide seat) is a conventional technology and will not be described here. It includes a horizontal push rodless cylinder 61331, a vertical push cylinder 61332, a vertical rail 61333, a horizontal slide seat 61334, and a vertical slide seat 61335. The vacuum suction nozzle 6131 is connected to the vacuum pump through an air pipe.

[0066] The center bottom of the rotating disk 614 is connected to the output shaft of the second stepper motor 615, and the second stepper motor 615 drives the rotating disk 614 to rotate; the edge of the rotating disk 614 is provided with a plurality of nameplate placement stations 618; the nameplate placement station 618 includes a nameplate placement mold 6181, a small rotating disk 6182, a rotating rod 6183, and a rotating sleeve 6184; the bottom of the small rotating disk 6182 is connected to the rotating rod 6183, the bottom of the rotating rod 6183 is connected to the rotating sleeve 6184, and the top of the small rotating disk 6182 is fixed with a nameplate placement mold 6181; two vertically arranged positioning pins 6185 are arranged on both sides of the upper surface of the nameplate placement mold 6181, and a clearance groove is arranged in the middle section. The nameplate is placed on the nameplate placement mold 6181 through a suction nozzle, and the positioning pin 6185 passes through the rivet hole on the nameplate to limit and fix it. The bottom of the rotating sleeve 6184 is provided with a groove 6186 with a trapezoidal cross section.

[0067] The nameplate orientation correction component 616 includes a rotating cylinder 6161, a cylinder rotating head 6162, a lifting cylinder 6163, a cylinder mounting seat 6164, a rotating cylinder mounting plate 6165, and an image acquisition system 6167; the cylinder mounting seat 6164 is fixed on the frame 1, the lifting cylinder 6163 is vertically fixed on the cylinder mounting seat 6164, the output shaft of the lifting cylinder 6163 is connected to the horizontally arranged rotating cylinder mounting plate 6165, the rotating cylinder 6161 is fixed on the rotating cylinder mounting plate 6165, and the output shaft of the rotating cylinder 6161 is connected to the cylinder rotating head 6162. The image acquisition system 6167 is arranged above the rotating disk 614 and is located in the work station in front of the rotating cylinder 6161. It is used to photograph the orientation of the nameplate. When the image acquisition system 6167 finds that the font direction of the nameplate is inverted, the nameplate needs to be rotated 180°. At this time, the lifting cylinder 6163 is controlled to push the rotating cylinder 6161 to the bottom of the rotating sleeve 6184 and dock with the rotating sleeve 6184 through the cylinder rotating head 6162, and then the rotating sleeve 6184 and the nameplate thereon are driven to rotate 180° through the rotating cylinder 6161 to complete the correction of the nameplate orientation.

[0068] The nameplate pre-installation assembly 62 includes a nameplate pick-up and placement assembly 621 and a rivet pre-installation assembly 640;

[0069] The nameplate pick-and-place assembly 621 includes an upper clamp 622, a lower clamp 623, a second guide rail 624, a second slide 625, a second tension spring 626, a push-up cylinder 627, a second rolling bearing 628, a second mounting seat 629, a traverse cylinder 630, and a connecting plate; a rotating shaft is provided at the tail of the upper clamp 622, a second rolling bearing 628 is sleeved on the rotating shaft, a seesaw bearing 631 is provided on one side of the second rolling bearing 628, and the seesaw bearing 631 includes a rolling bearing and two seesaws 6311 symmetrically fixed on the outer wall of the rolling bearing; one seesaw 6311 is provided at the bottom of the second rolling bearing 628, and the other seesaw 6311 is provided at the bottom of the output shaft of the push-up cylinder 627. The two ends of the second tension spring 626 are respectively fixed on the upper clamp 622 and the lower clamp 623. The lower clamping jaw 623 is fixed on the second mounting seat 629, the second mounting seat 629 is vertically fixed with a second guide rail 624, the second guide rail 624 is fixed with a second slide 625, and the upper clamping jaw is fixed on the second slide 625. The second mounting seat 629 is connected to the output end of the transverse cylinder 630 through a connecting plate.

[0070] The push cylinder 627 pushes the rocker plate 6311 on one side of the rocker bearing 631, so that the rocker plate 6311 on the other side tilts the upper clamping jaw 622 upward, so that the upper clamping jaw 622 is separated from the lower clamping jaw 623. When the nameplate is between the upper clamping jaw 622 and the lower clamping jaw 623, the push cylinder 627 is reset, and under the action of the tension spring 626, the upper clamping jaw 622 and the lower clamping jaw 623 are combined to clamp the nameplate.

[0071] A rivet pre-installation assembly 640 is provided above the second mounting seat 629 .

[0072] The rivet pre-assembly assembly 640 includes a mounting seat 3 641, an aluminum profile mounting frame 642, a riveting cylinder 643, a pressure needle 644, a rivet feeding tube, a rivet feeding device 646, and a pre-assembly die 647. The pre-assembly die 647 is provided with a rivet inlet hole 6471 on the side, a needle inlet hole 6473 on the top, and a rivet outlet hole 6472 on the bottom. The rivet inlet hole 6471, the rivet outlet hole 6472, and the needle inlet hole 6473 are interconnected. The outlet of the rivet feeding device 646 is connected to the rivet feeding tube, and the bottom end of the rivet feeding tube is connected to the rivet inlet hole 6471 on the side of the pre-assembly die 647. The pressure riveting cylinder 643 is vertically fixed on the top of the aluminum profile mounting frame 642, and its output end is connected to the mounting seat 3 641, the mounting seat 3 641 is fixed on the slide 3 648, the slide 3 648 is sleeved on the slide rail 3 649, and the slide rail 3 649 is vertically fixed on the aluminum profile mounting frame 642. The upper part of the pressure pin 644 is vertically fixed on the mounting seat 3 641, and the lower part is inserted into the needle entry hole 6473 of the pre-installed die 647. When the rivet enters the pre-installed die 647 from the rivet entry hole 6471, the pressure riveting cylinder 643 presses down to push the pressure pin 644 down, and the pressure pin 644 pushes the rivet out of the rivet exit hole 6472 and pushes the rivet into the rivet hole of the lock body. There are two pressure pins 644 and two pre-installed die 647.

[0073] The rivet installation mechanism 7 comprises a pressing cylinder 71, a pressing die 72, and a mounting seat 4 73. The mounting seat 4 73 is fixed on the frame 1. The pressing cylinder 71 is vertically arranged on the mounting seat 4 73, and its output shaft is connected to the pressing die 72. The bottom surface of the pressing die 72 is an arc-shaped concave surface, which fits the arc-shaped surface of the upper surface of the lock body.

[0074] It is also provided with a discharge device, which has the same structure as the tool opening device 26, and is arranged on the edge of the fixed plate 24 corresponding to the end face of the discharge trough. It is used to open the clamping tool 25, and the lock body 8 falls into the material receiving box in the discharge trough 11 and slides out of the device.

[0075] It also includes a PLC control system. The frame 1 is also covered with a shell cover; the PLC control system is embedded on the shell cover of the frame 1.

[0076] In the attached figure, 01 is the rivet hole and 02 is the iron pin hole.

[0077] 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 padlock assembly device, characterized in that: It includes a frame, a turntable assembly mechanism, a locking body mechanism, a spring installation mechanism, a lock hook installation mechanism, a nameplate installation mechanism, a rivet installation mechanism, and a clamping manipulator; The turntable assembly mechanism, the upper locking mechanism, the spring installation mechanism, the lock hook installation mechanism, the nameplate installation mechanism, and the rivet installation mechanism are all fixedly arranged on the frame; the turntable assembly mechanism is fixedly arranged at the center of the frame, and the upper locking mechanism, the spring installation mechanism, the lock hook installation mechanism, the nameplate installation mechanism, and the rivet installation mechanism are sequentially arranged around the outer edge of the turntable assembly mechanism in a clockwise order; A clamping manipulator is provided between the upper locking body mechanism and the turntable assembly mechanism. The upper lock body mechanism includes a stepper motor, a feeding synchronous belt, a driven synchronous pulley, a driving synchronous pulley, and a feeding beam; the front end of the feeding beam is provided with a pulley mounting seat, and the rear end thereof is provided with a motor mounting seat; the stepper motor and the driven synchronous pulley are fixed on the motor mounting seat and the pulley mounting seat respectively; the front and rear ends of the feeding synchronous belt are respectively sleeved on the driven synchronous pulley and the driving synchronous pulley, and the middle part is provided with a feeding beam; the driving synchronous pulley is connected to the output shaft of the stepper motor; the surface of the feeding synchronous belt is provided with a plurality of vertically arranged card plates, and a card slot is provided between adjacent card plates, and the lock body is arranged in the card slot; the two side surfaces of the feeding beam are provided with lock body baffles to limit the lock body from sliding out from both sides of the card slot, The turntable assembly mechanism includes a turntable motor, a divider, a turntable, a fixed plate, a central support, a clamping tool, and a tool opening device; the center of the turntable is connected to the turntable motor through the divider, and the fixed plate is fixed on the housing of the divider through the central support, and the turntable and the fixed plate are coaxially arranged; The turntable motor drives the turntable to rotate to the next workstation; a number of clamping and locking tools are provided on the edge of the turntable, and the clamping and locking tools are used to clamp and fix the lock body; the clamping and locking tools include a linear slide rail assembly, a splint, a clamp die, a connecting shaft, a center shaft, a rocker arm, a rocker arm connecting rod, and a tension spring; the linear slide rail assembly includes a slide rail and two sliders; the two sliders are separately arranged on the slide rail, and the tops of the sliders are respectively fixedly connected to the splints, and the front ends of the splints are fixedly provided with clamp die, and the inner sides of the clamp die are provided with grooves that are adapted to the shape and size of the edge of the lock body; a connecting shaft is provided at the top of the splint, and a vertically arranged center shaft is fixedly provided in the middle section of the slide rail; one end of the rocker arm connecting rod is sleeved on the connecting shaft, and the connecting part of the two is sleeved with a bearing, and the other end thereof is hinged to one end of the rocker arm; the rocker arm is sleeved on the center shaft, and the connecting part of the two is sleeved with a bearing; the two ends of the tension spring are respectively connected to the top of the connecting shaft; The tooling opening device comprises a mold opening cylinder and a mold opening triangular push block. The front end of the output shaft of the mold opening cylinder is connected to the mold opening triangular push block. The mold opening cylinder can drive the mold opening triangular push block to move back and forth repeatedly. The end of the clamping plate is provided with an opening and closing bearing. When the mold opening triangular push block is pushed forward, the inclined surface of the mold opening triangular push block pushes the opening and closing bearing to move the clamping plate to both sides. The spring loading mechanism includes a spring unloading vibration plate, a spring feeding channel assembly, a spring push cylinder, an unloading hopper, a spring mold, and a spring mold lifting cylinder; The output port of the spring feeding vibration plate is connected to the feeding port of the spring feeding channel assembly, and the discharge port of the spring feeding channel assembly is connected to the feeding hopper. A spring mold is arranged just below the feeding hopper, and the spring mold is fixed on the spring mold lifting cylinder. The spring push cylinder is horizontally arranged at the front side of the spring mold, and its output shaft is connected to the horizontally arranged ejector pin; a spring slide groove is arranged on the upper surface of the spring mold. The locking hook installation mechanism comprises a locking hook unloading vibration plate, an unloading slide, a locking hook bottom mold, a locking hook pushing cylinder, and a locking hook pushing plate; the discharge port of the locking hook unloading vibration plate is connected to the upper end of the unloading slide, the lower end of the unloading slide is arranged above the locking hook bottom mold, a locking hook slide groove is arranged above the locking hook bottom mold, a locking hook pushing plate is arranged at the front end of the locking hook slide groove, and the locking hook pushing plate is connected to the output shaft of the locking hook pushing cylinder; the rear end of the locking hook slide groove corresponds to the clamping lock tooling and the lock body to be assembled on the clamping lock tooling; a material blocking hook plate is arranged on the outer side of the vertical part of the unloading slide; a cover plate is also arranged on the upper top surface of the locking hook slide groove; An iron pin introduction component is also provided above the lock hook bottom mold; The iron pin introduction assembly includes an iron pin feeding vibration plate, an iron pin feeding conduit, an iron pin stopper, and a stopper cylinder; the iron pin feeding conduit includes two guide pipes arranged at intervals, the iron pin stopper is arranged in the interval between the two guide pipes, and the end face of the iron pin stopper is connected to the output shaft of the stopper cylinder. The nameplate installation mechanism includes a nameplate conveying component and a nameplate pre-installation component; The nameplate conveying assembly includes a nameplate unloading vibration plate, a material guide track, a double bridge shaft, a suction cup assembly, a rotating plate, a stepper motor 2, and a nameplate orientation correction assembly; the discharge port of the nameplate unloading vibration plate is connected to the material guide track, and the material guide track is fixed on the front vibrator; a double bridge shaft is provided on the inner side of the end of the material guide track, and the double bridge shaft is vertically fixed on the frame, and a double bridge groove is provided on it; a suction cup assembly is provided above the double bridge shaft; The suction cup assembly includes two vacuum suction nozzles, a suction nozzle mounting plate, and a cross slide. The vacuum suction nozzle is fixed on the suction nozzle mounting plate, and the suction nozzle mounting plate is fixed on the cross slide. The cross slide can move the suction nozzle mounting plate along the X and Y directions. The cross slide includes a horizontal push rodless cylinder, a vertical push cylinder, a horizontal rail, a vertical rail, a horizontal slide seat, and a vertical slide seat. The center bottom of the rotating disk is connected to the output shaft of the second stepper motor, and the second stepper motor drives the rotating disk to rotate; a number of nameplate placement stations are arranged on the edge of the rotating disk; the nameplate placement station includes a nameplate placement mold, a small rotating disk, a rotating rod, and a rotating sleeve; the bottom of the small rotating disk is connected to the rotating rod, the bottom of the rotating rod is connected to the rotating sleeve, and the top of the small rotating disk is fixed with a nameplate placement mold; two vertically arranged positioning pins are arranged on both sides of the upper surface of the nameplate placement mold, and a clearance groove is arranged in the middle section; the nameplate is placed on the nameplate placement mold through a suction nozzle, and the positioning pin passes through the rivet hole on the nameplate to limit and fix it; the bottom of the rotating sleeve is provided with a groove 2 with a trapezoidal cross section; The nameplate orientation correction component includes a rotary cylinder, a cylinder rotary head, a lifting cylinder II, a cylinder mounting seat, a rotary cylinder mounting plate, and an image acquisition system; the cylinder mounting seat is fixed on the frame, the lifting cylinder II is vertically fixed on the cylinder mounting seat, the output shaft of the lifting cylinder II is connected to the horizontally arranged rotary cylinder mounting plate, the rotary cylinder is fixed on the rotary cylinder mounting plate, and the output shaft of the rotary cylinder is connected to the cylinder rotary head; the image acquisition system is arranged above the rotating disk and is located in a station in front of the rotary cylinder; The nameplate pre-installation assembly includes a nameplate pick-up and placement assembly and a rivet pre-installation assembly; The nameplate picking and placing assembly includes an upper clamping jaw, a lower clamping jaw, two guide rails, two slides, two tension springs, a push-out cylinder, two rolling bearings, two mounting seats, a transverse cylinder, and a connecting plate; a rotating shaft is provided at the tail of the upper clamping jaw, and a rolling bearing is sleeved on the rotating shaft. A seesaw bearing is provided on one side of the rolling bearing, and the seesaw bearing includes a rolling bearing and two seesaws symmetrically fixed on the outer wall of the rolling bearing; one seesaw is provided at the bottom of the rolling bearing, and the other seesaw is provided at the bottom of the output shaft of the push-out cylinder; The two ends of the second tension spring are respectively fixed on the upper clamping jaw and the lower clamping jaw; the lower clamping jaw is fixed on the second mounting seat, the second mounting seat is vertically fixed with a second guide rail, the second guide rail is fixed with a second slide, and the second slide is fixed with an upper clamping jaw; the second mounting seat is connected to the output end of the transverse cylinder through a connecting plate; The push cylinder pushes the seesaw on one side of the seesaw bearing, so that the seesaw on the other side tilts the upper clamp upward, so that the upper clamp is separated from the lower clamp. When the nameplate is between the upper clamp and the lower clamp, the push cylinder is reset, and under the action of the second tension spring, the upper clamp and the lower clamp are combined to clamp the nameplate. A rivet pre-installed assembly is provided above the second mounting seat. The rivet pre-installation assembly comprises a mounting seat three, an aluminum profile mounting frame, a riveting cylinder, a pressure needle, a rivet feeding tube, a rivet feeding device, and a pre-installation die head; a rivet inlet hole is provided on the side of the pre-installation die head, a needle inlet hole is provided on the top, and a rivet outlet hole is provided at the bottom, and the rivet inlet hole, the rivet outlet hole, and the needle inlet hole are connected to each other; the discharge port of the rivet feeding device is connected to the rivet feeding tube, and the bottom end of the rivet feeding tube is connected to the rivet inlet hole on the side of the pre-installation die head; the riveting cylinder is vertically fixed on the top of the aluminum profile mounting frame, and its output end is connected to the mounting seat three, the mounting seat three is fixed on the slide table three, the slide table three is set on the slide rail three, and the slide rail three is vertically fixed on the aluminum profile mounting frame; the upper part of the pressure needle is vertically fixed on the mounting seat three, and the lower part is inserted into the needle inlet hole of the pre-installation die head, The riveting mechanism comprises a pressing cylinder, a pressing die, and a mounting seat 4, wherein the mounting seat 4 is fixed on the frame, the pressing cylinder is vertically arranged on the mounting seat 4, and its output shaft is connected to the pressing die; the bottom surface of the pressing die is an arc-shaped concave surface, which fits the arc-shaped surface of the upper surface of the lock body, It is also provided with a discharge device, the structure of which is the same as that of the tool opening device, and is arranged on the edge of the fixed plate corresponding to the end surface of the discharge trough. It also includes a PLC control system, which is embedded on the shell cover of the frame.

Images