CN114571738A

CN114571738A - Automatic change laser plastic welding equipment

Info

Publication number: CN114571738A
Application number: CN202210219137.0A
Authority: CN
Inventors: 姚桥清
Original assignee: Shenzhen JS Technology Co ltd
Current assignee: Shenzhen JS Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-03

Abstract

The invention discloses automatic laser plastic welding equipment, which relates to the technical field of laser welding equipment and comprises a fixed table, wherein a supporting seat is fixedly arranged at the top of the fixed table, supporting legs which are uniformly distributed are welded at the bottom of the fixed table, a fixed frame is fixedly arranged above the supporting seat, and a guide rail positioned at the inner sides of the supporting seat and the fixed frame is fixedly arranged above the fixed table. This automatic change laser plastic welding equipment, cooperation through drive power supply and connecting wire and electromagnetic plate and metal sheet is used, make this automatic change laser plastic welding equipment place the material back between electromagnetic plate and metal sheet, drive power supply can start and be the electromagnetic plate power supply through the connecting wire, produce magnetism and attract the metal sheet after the electromagnetic plate circular telegram, then make the metal sheet remove along the inboard spout of spacing, and the cooperation electromagnetic plate is fixed with the material centre gripping, keep the stability among material transportation and the welding process, the butt joint and the welding of the material of being convenient for.

Description

Automatic change laser plastic welding equipment

Technical Field

The invention relates to the technical field of laser welding equipment, in particular to automatic laser plastic welding equipment.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, which is one of the important aspects of laser material processing technology application, and is mainly used for welding thin-wall materials and low-speed welding, the welding process belongs to a heat conduction type, namely, laser radiation heats the surface of a workpiece, the surface heat diffuses inwards through heat conduction, the workpiece is melted to form a specific molten pool by controlling parameters such as the width, energy, peak power, repetition frequency and the like of laser pulse, and the technology is successfully applied to precision welding of micro and small parts due to the unique advantages of the laser welding, along with the progress of the technical level, the equipment cost required by the laser welding technology is reduced, the technology is gradually popular with people, when the bonded plastic parts cannot bear vibration, or the watertight and airtight requirements are very high, or a sterile and dust-free environment (such as medical instruments and food packaging) is required, the laser welding technology can be used in a large field.

The laser welding technology is high in speed, is particularly suitable for assembly line processing of automobile plastic parts, and can consider using the laser welding technology for complex geometric bodies which are difficult to bond by other welding methods, different assemblies are clamped and spliced by a clamping device in the process of laser welding of plastics and then are transported to a specified position and then are welded by laser welding equipment, and common welding equipment of the type often runs through an automatic control system;

the transportation of materials and the welding process need to be guaranteed to be stable, and therefore an automatic laser plastic welding device is designed to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides automatic laser plastic welding equipment, which solves the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automatic change laser plastic welding equipment, includes the fixed station, the bottom welding of fixed station has evenly distributed's supporting leg, the top fixed mounting of fixed station has welding mechanism and is located the inboard guide rail of welding mechanism, the fixed cover in both ends of guide rail is equipped with transverse driving device, and the outside movable sleeve of guide rail is equipped with two drive bases, install stable fixture on the drive base.

Further, welding mechanism includes the top fixed mounting's of fixed station supporting seat, the top fixed mounting of supporting seat has the mount, the inboard of mount is provided with laser welding device and manipulator, the terminal cover of manipulator is equipped with the counterpoint base, the bottom of counterpointing the base is provided with the laser welder head.

Furthermore, the bottom of the alignment base is provided with positioning cameras positioned on two sides of the laser welding head, the laser welding head is associated with the laser welding device, the back of the fixing frame is fixedly provided with an intelligent control system, and the intelligent control system is electrically connected with the laser welding device and the positioning cameras.

Further, stabilize fixture and include the drive base is located the output shaft at top, and the fixed cover of the output shaft outside of drive base is equipped with the screw thread post, the top fixed mounting of drive base has the guide post that is located screw thread post both sides, two the screw thread has cup jointed the regulating plate between the screw thread post.

Further, the regulating plate activity cup joints in the outside of guide post, the height value of guide post and screw thread post is the same, the top fixed mounting of regulating plate has electromagnetic plate and spacing.

Further, stabilize fixture still includes the metal sheet of the inboard activity suit of spacing, match each other between metal sheet and the electromagnetic plate, the outside fixedly connected with connecting wire of electromagnetic plate.

Furthermore, the inboard fixed mounting of supporting seat has drive power supply, fixed connection between drive power supply and the connecting wire, the outside fixed cover of regulating plate is equipped with spiral equipment, the connecting wire coils in spiral equipment inboard.

Further, the outside fixed mounting of supporting seat has the cold wind unit that is located the intelligence control system below, and the inboard fixed cover of supporting seat is equipped with cold wind cabin, fixedly connected with communicating pipe between cold wind unit and the cold wind cabin.

Furthermore, the cold air cabin corresponds to the middle of the guide rail, and spray ports which are uniformly distributed are formed outside the cold air cabin.

Furthermore, equal electric connection between intelligence control system and drive base, transverse driving device, drive power supply, the cold wind unit, fixed station, mount, supporting leg all adopt the metal to make. Further, the support leg includes:

the mounting plate is connected with the fixed table, and one end of the mounting plate, which is far away from the fixed table, is fixedly connected with the sliding plate through a connecting block;

the sliding device comprises a U-shaped block, a sliding plate and a sliding plate, wherein a working cavity is arranged inside the U-shaped block, a first sliding cavity is arranged at the left end and the right end of the U-shaped block along the vertical direction and is communicated with the working cavity, and the first sliding cavities at the left end and the right end are respectively connected with the left side and the right side of the sliding plate in a sliding manner;

the connecting plate is arranged between the left end and the right end of the U-shaped block in a sliding mode, and elastic pieces are symmetrically arranged on the left side and the right side between the connecting plate and the sliding plate;

the lifting block is fixedly connected with the connecting plate, and one end, far away from the connecting plate, of the lifting block is in threaded connection with the threaded section of the lifting rod;

the base is internally provided with a connecting cavity, the left side and the right side of the upper end of the connecting cavity are symmetrically provided with movable cavities, the middle part of the upper end of the connecting cavity is provided with an opening, the left side and the right side of the lower end of the connecting cavity are symmetrically provided with a second sliding cavity, the second sliding cavity is arranged along the left-right direction, and the middle part of the lower end of the connecting cavity is rotatably provided with a connecting shaft along the front-back direction;

the two rough blocks are respectively connected with a second sliding cavity on the left side and a second sliding cavity on the right side in a sliding mode, a first spring is fixedly arranged between the rough blocks and the second sliding cavities, and the rough blocks are in contact with the lower end arc portion of the U-shaped block;

the second bevel gear is arranged inside the connecting cavity and meshed with the first bevel gear, and the first bevel gear is fixedly connected with the cylindrical section of the lifting rod penetrating through the opening;

the operating block is fixedly connected with a rotating shaft, the rotating shaft penetrates through the front end of the base to enter the connecting cavity to be fixedly connected with the second bevel gear, and the connecting shaft is respectively provided with two annular clamping grooves in the front and back directions;

the two sliding grooves are respectively arranged at the upper side and the lower side of the middle part of the front end of the base, a clamping block is arranged in each sliding groove in a sliding mode, a second spring is fixedly arranged between each sliding groove and each clamping block, and each clamping block is matched with the annular clamping groove;

the first gear is fixedly connected with the rotating shaft, is meshed with the second gear, is fixedly connected with the fixed shaft, and penetrates through the front end of the clamping block to enter the connecting cavity to be fixedly connected with the connecting shaft;

the front end and the rear end of the U-shaped block penetrate through the movable cavity to enter the connecting cavity;

the front end fixedly connected with fixed block of thick rough block, the fixed block passes the activity groove that the base set up around with external intercommunication, and fixed block and activity groove sliding connection, the activity groove sets up along left and right directions.

The invention provides automatic laser plastic welding equipment which has the following beneficial effects:

1. this automatic change laser plastic welding equipment, use through the cooperation of drive power supply and connecting wire and stable among the fixture electromagnetic plate and metal sheet, make this automatic change laser plastic welding equipment place the material back between electromagnetic plate and metal sheet, drive power supply can start and be the electromagnetic plate power supply through the connecting wire, produce magnetism and attract the metal sheet after the electromagnetic plate circular telegram, then make the metal sheet remove along the inboard spout of spacing, and it is fixed with the material centre gripping to cooperate the electromagnetic plate, keep the stability among material transportation and the welding process, be convenient for butt joint and the welding of material.

2. This automatic change laser plastic welding equipment, cooperation through screw thread post and guide post and regulating plate and drive base is used, make this automatic laser plastic welding equipment when carrying out the butt joint work of material, the concatenation that misplaces need be carried out between some materials, there is the difference between the height, it is rotatory that the screw thread post that its top can be started and drive to drive the drive base this moment, promote the direction activity of regulating plate along the guide post through its outside screw thread after the screw thread post is rotatory, the holistic position of adjustment regulating plate top structure, then change the height of material, make things convenient for the work of splicing between the material of different needs, this automatic laser plastic welding equipment's adaptation scope has been strengthened.

3. This automatic change laser plastic welding equipment, use through the cooperation of intelligent control system and cold wind unit and communicating pipe and cold wind cabin, make this automatic change laser plastic welding equipment can control cold wind unit and start after accomplishing welding operation, cold wind unit preparation cold wind passes through in communicating pipe input cold wind cabin with cold wind, finally spray hole blowout through the cold wind cabin outside, act on the material of having accomplished welding process, promote the quick cooling of material, conveniently carry out subsequent operation of collecting, reduce the shared time of material welding, promote this automatic change laser plastic welding equipment's machining efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the exterior of the present invention;

FIG. 3 is a schematic view of the inner side of the fixing frame of the present invention;

FIG. 4 is a schematic view of the construction of the lateral drive unit and the guide rail of the present invention;

FIG. 5 is a schematic view of the exterior of the driving base according to the present invention;

FIG. 6 is a schematic view of a structure above the adjustment plate of the present invention;

FIG. 7 is a schematic view of the structure of the adjusting plate and the electromagnetic plate according to the present invention;

FIG. 8 is a schematic view of the support sleeve of the present invention;

fig. 9 is a side view of the structure of fig. 8.

In the figure: 1. a fixed table; 2. a supporting seat; 3. a fixed mount; 4. a manipulator; 5. a metal plate; 6. a limiting frame; 7. a guide post; 8. a threaded post; 9. aligning the base; 10. a guide rail; 11. a drive base; 12. a lateral drive device; 13. supporting legs; 1301. mounting a plate; 1302. a U-shaped block; 1303. a working chamber; 1304. a first sliding cavity; 1305. a sliding plate; 1306. an elastic sheet; 1307. a connecting plate; 1308. a lifting block; 1309. a lifting rod; 1310. a first bevel gear; 1311. connecting blocks; 1312. a base; 1313. a connecting cavity; 1314. a movable cavity; 1315. an opening; 1316. a second sliding cavity; 1317. a connecting shaft; 1318. coarse blocks; 1319. a fixed block; 1320. a clamping block; 1321. a second bevel gear; 1322. a rotating shaft; 1323. an annular neck; 1324. a first gear; 1325. an operation block; 1326. a chute; 1327. a second spring; 1328. a second gear; 1329. a fixed shaft; 1330. a clamping block; 14. an intelligent control system; 15. a communicating pipe; 16. a cold air unit; 17. a laser welding device; 18. welding a head by laser; 19. positioning a camera; 20. a connecting wire; 21. a drive power supply; 22. a wire winding device; 23. an adjusting plate; 24. an electromagnetic plate; 25. a cold air chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: an automatic laser plastic welding device comprises a fixed table 1, a supporting seat 2 is fixedly installed at the top of the fixed table 1, supporting legs 13 which are uniformly distributed are welded at the bottom of the fixed table 1, a fixed frame 3 is fixedly installed above the supporting seat 2, an intelligent control system 14 is fixedly installed on the back of the fixed frame 3, the intelligent control system 14 can intelligently control the working states of a laser welding device 17 and a positioning camera 19, and therefore the intelligent control system 14 is electrically connected with the laser welding device 17 and the positioning camera 19, the principle and the using process of the intelligent control system 14 are the same as those of the prior art, and are not repeated herein, a guide rail 10 which is positioned at the inner side of the supporting seat 2 and the fixed frame 3 is fixedly installed above the fixed table 1, and a transverse driving device 12 is fixedly installed at two ends of the guide rail 10, and the outside movable sleeve of guide rail 10 is equipped with two drive bases 11, the output shaft of drive base 11 is located the top, and the fixed cover in the output shaft outside of drive base 11 is equipped with screw post 8, the top fixed mounting of drive base 11 has the guide post 7 that is located screw post 8 both sides, drive base 11 can drive screw post 8 through its output shaft rotatory after starting, screw post 8 promotes the direction activity of regulating plate 23 along guide post 7 through its outside screw, the screw has cup jointed regulating plate 23 between two screw posts 8, then adjust the holistic position of regulating plate 23 top structure, make the position of regulating plate 23 satisfy the processing demand, regulating plate 23 activity cup joints in the outside of guide post 7, guide post 7 is the same with the height value of screw post 8, guide post 7 is used for restricting the direction of motion of regulating plate 23, avoid the route of regulating plate 23 to take place the skew.

Example 2

Referring to fig. 4 to 7, an electromagnetic plate 24 and a limiting frame 6 are fixedly mounted on the top of an adjusting plate 23, in order to prevent the adjusting plate 23 from completely separating from the outside of a threaded column 8, so that the height values of a guide column 7 and the threaded column 8 need to be kept the same, a metal plate 5 is movably sleeved on the inner side of the limiting frame 6, the electromagnetic plate 24 can generate magnetism and attract the metal plate 5 after being electrified, so that the metal plate 5 moves along a chute on the inner side of the limiting frame 6, the metal plate 5 and the electromagnetic plate 24 are matched with each other, a connecting wire 20 is fixedly connected to the outside of the electromagnetic plate 24 and clamps and fixes materials in cooperation with the electromagnetic plate 24, the connecting wire 20 is used for assisting the electromagnetic plate 24 to be connected with an external power supply, a laser welding device 17 and a manipulator 4 are arranged on the inner side of a fixing frame 3, an alignment base 9 is sleeved on the end of the manipulator 4, and a laser welding head 18 is arranged at the bottom of the alignment base 9, the bottom of the contraposition base 9 is provided with positioning cameras 19 which are positioned at two sides of a laser welding head 18, a laser welding device 17 can release laser outwards through the laser welding head 18 when working, and then laser welding operation is realized, the positioning cameras 19 can position the position of the laser welding head 18, so that the device can conveniently adjust the position of the contraposition base 9 according to the position of materials, the laser welding head 18 is mutually related with the laser welding device 17, and welding requirements, the principles and the using process of the laser welding device 17 and the positioning cameras 19 are the same as those of the prior art, and are not repeated herein, a driving power supply 21 is fixedly arranged at the inner side of the supporting seat 2, the driving power supply 21 is fixedly connected with a connecting wire 20, the driving power supply 21 can supply power to an electromagnetic plate 24 through the connecting wire 20, and then the generation of external magnetism of the electromagnetic plate 24 is controlled, and because the electromagnetic plate 24 needs to move along with the driving base 11, therefore, the connection line 20 needs to have a certain length, the outer portion of the adjusting plate 23 is fixedly sleeved with the winding device 22, the connection line 20 is wound inside the winding device 22, and in order to avoid the safety problem caused by the winding of the connection line 20 due to the length problem in the working process, the winding device 22 is arranged to wind the connection line 20.

Example 3

Referring to fig. 2 and 5, a cold air unit 16 located below the intelligent control system 14 is fixedly installed outside the support base 2, after the welding operation is completed, the intelligent control system 14 can control the cold air unit 16 to start, a cold air cabin 25 is fixedly sleeved on the inner side of the support base 2, a communication pipe 15 is fixedly connected between the cold air unit 16 and the cold air cabin 25, the cold air unit 16 can prepare cold air and convey the cold air into the cold air cabin 25 through the communication pipe 15, and then the cold air acts on a product which is subjected to the welding operation to rapidly cool the product, the cold air cabin 25 corresponds to the middle of the guide rail 10, evenly distributed jet orifices are formed outside the cold air cabin 25, the cold air cabin 25 corresponds to the middle of the guide rail 10 and can ensure that the cold air is sprayed from the jet orifices and then acts on a welding position, so as to ensure the cooling efficiency, and the intelligent control system 14, the drive base 11, the transverse drive device 12, the cooling device, and the cooling device, Drive power supply 21, equal electric connection between cold wind unit 16, drive base 11, transverse driving device 12, drive power supply 21, cold wind unit 16's work also needs to carry out intelligent control through intelligent control system 14, so all need electric connection, thereby guarantee the holistic degree of automation of equipment, fixed station 1, mount 3, supporting leg 13 all adopts the metal to make, fixed station 1, mount 3, supporting leg 13 plays the fixed guard action of support to other structures, need have good intensity, so all adopt the metal to make.

In conclusion, when the automatic laser plastic welding equipment is used, according to the processing requirements, the driving base 11 is started and drives the threaded column 8 to rotate through the output shaft of the driving base, the threaded column 8 pushes the adjusting plate 23 to move along the guide of the guide column 7 through the external threads of the threaded column 8, the position of the structural whole body above the adjusting plate 23 is adjusted until the processing requirements are met, the material to be processed is placed between the electromagnetic plate 24 and the metal plate 5, the intelligent control system 14 controls the driving power supply 21 to work, the driving power supply 21 is started and supplies power to the electromagnetic plate 24 through the connecting line 20, the electromagnetic plate 24 generates magnetism and attracts the metal plate 5 after being electrified, the metal plate 5 moves along the sliding groove on the inner side of the limiting frame 6 and is matched with the electromagnetic plate 24 to clamp and fix the material, the transverse driving device 12 is started and pushes the driving base 11 to move along the guide rail 10 after the fixing is finished, the materials to be processed are driven to approach and splice each other, after splicing is completed, the intelligent control system 14 controls the laser welding device 17 and the mechanical arm 4 to work, the mechanical arm 4 adjusts the position of the alignment base 9 according to the positioning of the positioning camera 19, so that the laser welding head 18 moves to the upper part of a designated position, the laser welding device 17 welds materials through the laser welding head 18, after the welding work is completed, the intelligent control system 14 controls the cold air unit 16 to start, the cold air unit 16 prepares cold air and inputs the cold air into the cold air cabin 25 through the communicating pipe 15, the cold air is finally sprayed out through a spraying hole outside the cold air cabin 25 to act on the materials which are welded, so as to promote the rapid cooling of the materials, after cooling, the driving power supply 21 is disconnected to supply power to the connecting wire 20, the electromagnetic plate 24 and the metal plate 5 release clamping and fixing of the materials, the products are conveniently taken down, and the working process of the whole automatic laser plastic welding equipment is completed, and (4) finishing.

Example 4

Referring to fig. 8 to 9, the support leg 13 includes:

the mounting plate 1301 is connected with the fixed station 1, and one end, far away from the fixed station 1, of the mounting plate 1301 is fixedly connected with a sliding plate 1305 through a connecting block 1311;

a working cavity 1303 is arranged in the U-shaped block 1302, first sliding cavities 1304 are arranged at the left end and the right end of the U-shaped block 1302 along the vertical direction, the first sliding cavities 1304 are communicated with the working cavity 1303, and the first sliding cavities 1304 at the left end and the right end are respectively connected with the left side and the right side of the sliding plate 1305 in a sliding manner;

the connecting plate 1307 is arranged between the left end and the right end of the U-shaped block 1302 in a sliding manner, and the elastic pieces 1306 are symmetrically arranged on the left side and the right side between the connecting plate 1307 and the sliding plate 1305;

the lifting block 1308 is fixedly connected with the connecting plate 1307, and one end, far away from the connecting plate 1307, of the lifting block 1308 is in threaded connection with a threaded section of a lifting rod 1309;

a base 1312, wherein a connecting cavity 1313 is arranged in the base 1312, movable cavities 1314 are symmetrically arranged on the left and right sides of the upper end of the connecting cavity 1313, an opening 1315 is arranged in the middle of the upper end of the connecting cavity 1313, two sliding cavities 1316 are symmetrically arranged on the left and right sides of the lower end of the connecting cavity 1313, the two sliding cavities 1316 are arranged along the left and right direction, and a connecting shaft 1317 is rotatably arranged in the middle of the lower end of the connecting cavity 1313 along the front and back direction;

two rough blocks 1318, the two rough blocks 1318 are respectively connected with the second sliding cavities 1316 on the left side and the right side in a sliding mode, a first spring 1320 is fixedly arranged between the rough blocks 1318 and the second sliding cavities 1316, and the rough blocks 1318 are in contact with the lower arc portion of the U-shaped block 1302;

a second bevel gear 1321, wherein the second bevel gear 1321 is arranged inside the connecting cavity 1313, the second bevel gear 1321 is meshed with a first bevel gear 1310, and the first bevel gear 1310 is fixedly connected with the cylindrical section of the lifting rod 1309 penetrating through the opening 1315;

the operating block 1325 is fixedly connected with a rotating shaft 1322, the rotating shaft 1322 penetrates through the front end of the base 1312 to enter the connecting cavity 1313 to be fixedly connected with the second bevel gear 1321, and the connecting shaft 1322 is respectively provided with two annular clamping grooves 1323 in the front-back direction;

the two sliding grooves 1326 are respectively arranged at the upper side and the lower side of the middle part of the front end of the base 1312, a clamping block 1330 is arranged in the sliding groove 1326 in a sliding manner, a second spring 1327 is fixedly arranged between the sliding groove 1326 and the clamping block 1330, and the clamping block 1330 is matched with the annular clamping groove 1323;

a first gear 1324, the first gear 1324 is fixedly connected with the rotating shaft 1322, the first gear 1324 is meshed with a second gear 1328, the second gear 1328 is fixedly connected with a fixed shaft 1329, and the fixed shaft 1329 penetrates through the front end of the clamping block 1330 to enter the connecting cavity 1313 to be fixedly connected with the connecting shaft 1317;

the front end and the rear end of the U-shaped block 1302 penetrate through the movable cavity 1314 to enter the connecting cavity 1313;

the front end of the rough block 1318 is fixedly connected with a fixing block 1319, the fixing block 1319 passes through a movable groove arranged in front and back of the base 1312 to be communicated with the outside, the fixing block 1319 is slidably connected with the movable groove, and the movable groove is arranged in the left and right direction.

The beneficial effects of the above technical scheme are:

the supporting leg 13 is a supporting leg with buffer adjustment, the mounting plate 1301 is detachably connected with the fixed station 1, when the height of the fixed station 1 is adjusted, a bevel gear II 1321 is engaged with a bevel gear I1310, at the moment, the fixture block 1330 is matched with the annular clamping groove 1323 at the front side, a spring II 1327 is fixedly arranged between the chute 1326 and the fixture block 1330, the fixture block 1330 can slide along the chute 1326 under the elastic action of the spring II 1327, the fixture block 1330 plays a certain limit on the back and forth movement of the rotating shaft 1322 and does not limit the rotation of the rotating shaft 1322, the operation block 1325 is rotated, the operation block 1325 drives the rotating shaft 1322 to rotate, the rotating shaft rotates the bevel gear II 1321 to drive the bevel gear 1310 to rotate, the bevel gear I drives the lifting rod 1309 to rotate, the threaded section of the lifting rod 1309 rotates to drive the lifting block 1308 to move up and down, the lifting block 1308 drives the sliding plate 1305 to move up and down through the elastic sheet 1306, the first sliding cavity 1304 guides the sliding plate 1305 to slide up and down, the sliding plate 1305 slides up and down to drive the mounting plate 1301 to move up and down through the connecting block 1311, the purpose of adjusting the height of the fixed table 1 is achieved, and the elastic piece 1306 is arranged to play a buffering effect on the support of the fixed table 1, so that welding equipment on the fixed table 1 can stably run;

when the inclination angle of the fixed platform 1 needs to be adjusted, the fixed block 1319 is pulled, the rough block 1318 is enabled to be separated from contact with the U-shaped block 1302, then the operation block 1325 is pulled, the rotating shaft 1322 is driven to move forwards until the clamping block 1330 is matched with the annular clamping groove 1323 on the rear side, at the moment, the first gear 1324 is meshed with the second gear 1328, the operation block 1325 is rotated, the first gear 1324 is driven to rotate through the rotating shaft 1322, the second gear 1328 is driven to rotate, the fixed shaft 1329 is driven to rotate by the fixed shaft 1329, the U-shaped block 1317 is driven to rotate, the fixed block 1319 is loosened after the U-shaped block 1302 is rotated, under the elastic action of the first spring 1320, the rough block 1318 is in contact with the U-shaped block 1302, the rotation of the U-shaped block 1302 is limited, the inclination angle of the fixed platform 1 is adjusted by controlling the rotating angle of the U-shaped blocks 1302 and the height of the mounting plate 1301 in different supporting legs 13, the welding equipment on the fixing table 1 is convenient to be suitable for different working environments.

Example 5

Further comprising:

a force sensor: the force sensor is arranged on the electromagnetic plate 24 and used for detecting the gravity of the material clamped on the electromagnetic plate 24;

an alarm: the alarm is arranged outside the fixed table 1;

a controller: the controller is electrically connected with the force sensor and the alarm;

the controller controls the alarm to work based on the force sensor, and the method comprises the following steps:

step 1: the controller calculates the theoretical deformation coefficient of the threaded column 8 when the adjusting plate 23 works according to the gravity of the material clamped on the electromagnetic plate 24 detected by the force sensor and a formula (1);

wherein f is a theoretical deformation coefficient of the threaded column 8 when the adjusting plate 23 works, L is the length of the adjusting plate 23, B is the width of the adjusting plate 23, R is the outer diameter of the threaded column 8, R is the inner diameter of the threaded column 8, t is the thickness of the adjusting plate 23, E is the yield strength of the threaded column 8, M is the total mass of the adjusting plate 23 and the structural members connected with the adjusting plate, and g is 9.8M/s²K is the pitch of the threaded columns 8, and n is the number of the threaded columns 8;

step 2: the controller calculates the theoretical working safety factor of the threaded column 8 according to the theoretical deformation coefficient of the threaded column 8 calculated in the step 1 and a formula (2), compares the calculated theoretical working safety factor of the threaded column 8 with a preset working safety factor, and controls the alarm to give an alarm if the calculated theoretical working safety factor of the threaded column 8 is smaller than the preset working safety factor;

x is the theoretical working safety coefficient of the threaded column 8, and P is the tensile strength of the threaded column 8;

wherein, in the formula (1), F is 5Kg, Mg is 50N, L is 0.5m, B is 0.5m, R is 12cm, R is 10cm, K is 2.5mm, t is 5cm, N is 2, E is 235MPa,

calculating to obtain 0.34;

in the formula (2), P is 370MPa,

17.3 is calculated, the theoretical work safety coefficient of the threaded column 8 is the ratio of the tensile strength of the threaded column 8 to the theoretical load of the threaded column 8, if the tensile strength of the threaded column 8 is greater than the theoretical load borne by the threaded column 8, the threaded connection between the threaded column 8 and the adjusting plate 23 is stable, the phenomenon of thread slipping cannot occur, the preset work safety coefficient is 1.2, 17.3 is greater than 1.2, and the alarm cannot give an alarm.

The beneficial effects of the above technical scheme are:

the force sensor is arranged on the electromagnetic plate 24 and used for detecting the gravity of the material clamped on the electromagnetic plate 24, and the controller calculates the theoretical deformation coefficient of the threaded column 8 when the adjusting plate 23 works according to the gravity of the material clamped on the electromagnetic plate 24 detected by the force sensor and the formula (1); then according to the theoretical deformation coefficient of the threaded column 8 calculated in the step 1, the theoretical work safety coefficient of the threaded column 8 is calculated according to the formula (2), the controller compares the calculated theoretical work safety coefficient of the threaded column 8 with a preset work safety coefficient, if the calculated theoretical work safety coefficient of the threaded column 8 is smaller than the preset work safety coefficient, the controller controls the alarm to give an alarm, and reminds a user that the thread slipping phenomenon possibly occurs between the threaded column 8 and the adjusting plate 23 due to the fact that the material quality is too large, the threaded column 8 and the adjusting plate 23 should be replaced in time or auxiliary equipment is used for reinforcing the stability between the threaded column 8 and the adjusting plate 23, and the welding precision of welding equipment is prevented from being influenced.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change laser plastic welding equipment, includes fixed station (1), its characterized in that: the welding of the bottom of fixed station (1) has evenly distributed's supporting leg (13), the top fixed mounting of fixed station (1) has guide rail (10) that welding mechanism and welding mechanism are inboard, the fixed cover in both ends of guide rail (10) is equipped with transverse driving device (12), and the outside movable sleeve of guide rail (10) is equipped with two drive bases (11), install stable fixture on drive base (11).

2. An automated laser plastic welding apparatus as defined in claim 1, wherein: welding mechanism includes top fixed mounting's of fixed station (1) supporting seat (2), the top fixed mounting of supporting seat (2) has mount (3), the inboard of mount (3) is provided with laser welding device (17) and manipulator (4), the end cover of manipulator (4) is equipped with counterpoint base (9), the bottom of counterpointing base (9) is provided with laser welder head (18).

3. An automated laser plastic welding apparatus as defined in claim 2, wherein: the positioning device is characterized in that positioning cameras (19) located on two sides of a laser welding head (18) are arranged at the bottom of the alignment base (9), the laser welding head (18) is associated with a laser welding device (17), an intelligent control system (14) is fixedly mounted on the back of the fixing frame (3), and the intelligent control system (14) is electrically connected with the laser welding device (17) and the positioning cameras (19).

4. An automated laser plastic welding apparatus as defined in claim 1, wherein: stabilize fixture include drive base (11) are located the output shaft at top, and the outside fixed cover of output shaft of drive base (11) is equipped with screw thread post (8), the top fixed mounting of drive base (11) has guide post (7) that are located screw thread post (8) both sides, two adjusting plate (23) have been cup jointed to the screw thread between screw thread post (8).

5. An automated laser plastic welding apparatus according to claim 4, wherein: adjusting plate (23) activity is cup jointed in the outside of guide post (7), the height value of guide post (7) and screw thread post (8) is the same, the top fixed mounting of adjusting plate (23) has electromagnetic plate (24) and spacing (6).

6. An automated laser plastic welding apparatus according to claim 5, wherein: stabilize fixture still include metal sheet (5) of the inboard activity suit of spacing (6), match each other between metal sheet (5) and electromagnetic plate (24), the outside fixedly connected with connecting wire (20) of electromagnetic plate (24).

7. An automated laser plastic welding apparatus according to claim 6, wherein: the inboard fixed mounting of supporting seat (2) has drive power supply (21), fixed connection between drive power supply (21) and connecting wire (20), the fixed cover in outside of regulating plate (23) is equipped with spiral equipment (22), connecting wire (20) are coiled in spiral equipment (22) inboardly.

8. An automated laser plastic welding apparatus as defined in claim 1, wherein: the utility model discloses a cold wind cabin, including supporting seat (2), the outside fixed mounting of supporting seat (2) has cold wind unit (16) that is located intelligent control system (14) below, and the inboard fixed cover of supporting seat (2) is equipped with cold wind cabin (25), fixedly connected with communicating pipe (15) between cold wind unit (16) and cold wind cabin (25), cold wind cabin (25) are corresponding with the middle part of guide rail (10), and the jet orifice of evenly distributed is seted up to the outside of cold wind cabin (25).

9. An automated laser plastic welding apparatus as claimed in claim 8, wherein: the intelligent control system (14) is electrically connected with the driving base (11), the transverse driving device (12), the driving power supply (21) and the cold air unit (16), and the fixed table (1), the fixed frame (3) and the supporting legs (13) are made of metal.

10. An automated laser plastic welding apparatus as defined in claim 1, wherein: the support leg (13) comprises:

the mounting plate (1301), the mounting plate (1301) is connected with the fixed station (1), and one end, far away from the fixed station (1), of the mounting plate (1301) is fixedly connected with a sliding plate (1305) through a connecting block (1311);

the device comprises a U-shaped block (1302), wherein a working cavity (1303) is arranged inside the U-shaped block (1302), first sliding cavities (1304) are arranged at the left end and the right end of the U-shaped block (1302) along the vertical direction, the first sliding cavities (1304) are communicated with the working cavity (1303), and the first sliding cavities (1304) at the left end and the right end are respectively connected with the left side and the right side of a sliding plate (1305) in a sliding mode;

the connecting plate (1307), the connecting plate (1307) is arranged between the left end and the right end of the U-shaped block (1302) in a sliding mode, and elastic pieces (1306) are symmetrically arranged on the left side and the right side between the connecting plate (1307) and the sliding plate (1305);

the lifting block (1308) is fixedly connected with the connecting plate (1307), and one end, far away from the connecting plate (1307), of the lifting block (1308) is in threaded connection with a threaded section of the lifting rod (1309);

the device comprises a base (1312), wherein a connecting cavity (1313) is formed in the base (1312), movable cavities (1314) are symmetrically formed in the left side and the right side of the upper end of the connecting cavity (1313), an opening (1315) is formed in the middle of the upper end of the connecting cavity (1313), sliding cavities II (1316) are symmetrically formed in the left side and the right side of the lower end of the connecting cavity (1313), the sliding cavities II (1316) are arranged in the left-right direction, and a connecting shaft (1317) is rotatably formed in the middle of the lower end of the connecting cavity (1313) in the front-back direction;

the two rough blocks (1318) are respectively connected with the sliding cavities II (1316) on the left side and the right side in a sliding mode, a first spring (1320) is fixedly arranged between the rough block (1318) and the sliding cavity II (1316), and the rough block (1318) is in contact with the lower end arc portion of the U-shaped block (1302);

a second bevel gear (1321), wherein the second bevel gear (1321) is arranged inside the connecting cavity (1313), the second bevel gear (1321) is meshed with the first bevel gear (1310), and the first bevel gear (1310) is fixedly connected with the cylindrical section of the lifting rod (1309) penetrating through the opening (1315);

the operating block (1325), the said operating block (1325) is fixedly connected with axis of rotation (1322), the said axis of rotation (1322) enters the connection chamber (1313) through the front end of the said base (1312) and fixedly connects with said bevel gear two (1321), and the connecting shaft (1322) has two ring-shaped neck (1323) separately along the fore-and-aft direction;

the two sliding grooves (1326) are respectively arranged on the upper side and the lower side of the middle part of the front end of the base (1312), a clamping block (1330) is arranged in the sliding groove (1326) in a sliding mode, a second spring (1327) is fixedly arranged between the sliding groove (1326) and the clamping block (1330), and the clamping block (1330) is matched with the annular clamping groove (1323);

the first gear (1324), the first gear (1324) is fixedly connected with the rotating shaft (1322), the first gear (1324) is meshed with the second gear (1328), the second gear (1328) is fixedly connected with a fixed shaft (1329), and the fixed shaft (1329) penetrates through the front end of the clamping block (1330) to enter the connecting cavity (1313) to be fixedly connected with the connecting shaft (1317);

the front end and the rear end of the U-shaped block (1302) penetrate through the movable cavity (1314) to enter a connecting cavity (1313);

the front end of the rough block (1318) is fixedly connected with a fixing block (1319), the fixing block (1319) penetrates through movable grooves formed in the front and back of the base (1312) to be communicated with the outside, the fixing block (1319) is connected with the movable grooves in a sliding mode, and the movable grooves are formed in the left and right direction.