CN113560871A - Double-station screw locking device of intelligent double-station online screw locking machine - Google Patents
Double-station screw locking device of intelligent double-station online screw locking machine Download PDFInfo
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- CN113560871A CN113560871A CN202111103120.0A CN202111103120A CN113560871A CN 113560871 A CN113560871 A CN 113560871A CN 202111103120 A CN202111103120 A CN 202111103120A CN 113560871 A CN113560871 A CN 113560871A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
Abstract
The invention discloses a double-station screw locking device of an intelligent double-station online screw locking machine, which comprises a first slide rail seat, a second slide rail seat, a first X-axis driving module, a second X-axis driving module, a first X-axis beam, a second X-axis beam, a first Y-axis moving seat, a first Y-axis driving module, a first Z-axis lifting module, a first electric screwdriver buffering mechanism, a first electric screwdriver and first visual detection module, a second Y-axis moving seat, a second Y-axis driving module, a second Z-axis lifting module, a second electric screwdriver buffering mechanism and a second electric screwdriver and second visual detection module, wherein the first electric screwdriver buffering mechanism is installed on the first Z-axis lifting module; the first X-axis driving module is connected with the first X-axis beam and drives the first X-axis beam to move in the X-axis direction; the second X-axis driving module is connected with the second X-axis beam and drives the second X-axis beam to move in the X-axis direction.
Description
Technical Field
The invention relates to the technical field of screw locking, in particular to a double-station screw locking device of an intelligent double-station online screw locking machine.
Background
At present, in the manufacturing industries of electronics, automobiles, household electrical appliances, mechanical hardware products, digital products, toys and the like, screw assembling and locking are the most common fixing modes, so that in the assembling process of the products, locking screws become the most basic operation.
The traditional mode is that screw locking is carried out by adopting pure manual operation, the technology is time-consuming and labor-consuming, the working efficiency is extremely low, the existing screw locking machine is replaced by the developed screw locking machine, the existing screw locking machine has the characteristics of reliable structure, convenience in use and suitability for various operations in batches, and the production efficiency can be greatly improved.
The existing screw locking machine generally adopts a single station to lock and pay, and cannot meet the increasing production capacity in terms of efficiency, and a plurality of products in the manufacturing industries such as electronics, automobiles, household electrical appliances, mechanical hardware products, digital products, toys and the like use screws with different specifications and sizes at the same time, but the existing screw locking machine adopts the single station screw locking, so that at least two screw locking machines are required to lock and pay two different screws, the existing screw locking machine occupies a larger space, the use cost is increased, and the production efficiency still needs to be improved. In addition, the existing screw locking machine adopts an electric screwdriver which is in rigid contact when a screw is locked, and when downward force is too large, the phenomenon of product damage is possibly caused greatly.
In view of the above, the present inventors propose the following.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-station screw locking device of an intelligent double-station online screw locking machine.
In order to solve the technical problems, the invention adopts the following technical scheme: the double-station screw locking device of the intelligent double-station online screw locking machine comprises a first slide rail seat and a second slide rail seat which are distributed in parallel, a first X-axis driving module arranged on the inner side of the first slide rail seat, a second X-axis driving module arranged on the inner side of the second slide rail seat, a first X-axis beam arranged on the first slide rail seat and the second slide rail seat in a slidable mode, a second X-axis beam arranged on the first slide rail seat and the second slide rail seat in a slidable mode, a first Y-axis moving seat arranged on the first X-axis beam in a slidable mode, a first Y-axis driving module used for driving the first Y-axis moving seat to move along the Y-axis direction, a first Z-axis lifting module arranged on the first Y-axis moving seat, a first electric screwdriver arranged on the first Z-axis lifting module, and a first electric screwdriver arranged on the first Y-axis moving seat and used for locking a first screw, and a first electric screwdriver arranged on the first Y-axis moving seat and used for detecting a screw The first visual detection module is used for detecting the position of the lock screw and detecting the quality of the lock screw, the second Y-axis moving seat is slidably mounted on the second X-axis beam, the second Y-axis driving module is used for driving the second Y-axis moving seat to move along the Y-axis direction, the second Z-axis lifting module is mounted on the second Y-axis moving seat, the second electric batch buffer mechanism is mounted on the second Z-axis lifting module, the second electric batch is mounted on the second electric batch buffer mechanism and used for locking the second screw, and the second visual detection module is mounted on the second Y-axis moving seat and used for detecting the position of the lock screw and detecting the quality of the lock screw; the first X-axis driving module is also connected with the first X-axis beam and drives the first X-axis beam to move in the X-axis direction; the second X-axis driving module is also connected with the second X-axis beam and drives the second X-axis beam to move in the X-axis direction.
Furthermore, in the above technical solution, the screw driver further includes a first screw supplying device for delivering and supplying a first type of screw to the first electric batch and a second screw supplying device for delivering and supplying a second type of screw to the second electric batch, and the first screw supplying device and the second screw supplying device are both mounted on the base and located beside the first electric batch and the second electric batch, respectively.
Furthermore, in the above technical solution, the torque tester device further comprises a first electric batch torque tester component and a second electric batch torque tester component, wherein the first electric batch torque tester component is mounted on the base and located beside the first electric batch for detecting the torque of the first electric batch; the second electric screwdriver torsion tester component is arranged on the base, is positioned beside the second electric screwdriver and is used for detecting the torsion of the second electric screwdriver.
Further, in the above technical solution, the first electric screwdriver torque tester component includes a first bracket installed on the base, a first electric screwdriver torque tester installed on the first bracket, a first fixed limiting block and a second fixed limiting block installed on the first bracket and distributed at a right angle, a first movable limiting block and a second movable limiting block installed on the first bracket in a manner of adjusting relative positions and distributed at a right angle, the first fixed limiting block and the second fixed limiting block, the first movable limiting block and the second movable limiting block cooperate to clamp the first electric screwdriver torque tester, and an abutting joint for corresponding to an electric screwdriver head of the first electric screwdriver is arranged at an upper end of the first electric screwdriver torque tester; and the structure of the second electric batch torsion tester component is the same as that of the first electric batch torsion tester component.
Further, in the above technical solution, the first Y-axis driving module includes a first Y-axis slide rail and a second Y-axis slide rail that are installed at upper and lower sides of an inner side of the first X-axis beam, a first Y-axis slide block that is installed on the first Y-axis slide rail and the second Y-axis slide rail, and a first Y-axis servo motor assembly that is installed at an inner side of the first X-axis beam and is used for driving the first Y-axis slide block to move on the first Y-axis slide rail and the second Y-axis slide rail along the Y-axis direction, and the first Y-axis moving base is installed on the first Y-axis slide block and moves on the first Y-axis slide block; the structure of the second Y-axis driving module is the same as that of the first Y-axis driving module.
Furthermore, in the above technical solution, the first electric screwdriver buffer mechanism includes a lifting seat installed on the first Z-axis lifting module and driven by the first Z-axis lifting module to lift, a guide block fixed at the upper end of the lifting seat and having a guide hole, a Z-axis slide rail installed on the lifting seat, a Z-axis slide seat installed on the Z-axis slide rail, a guide rod installed at the upper end of the Z-axis slide seat and penetrating through the guide hole in the guide block, and a spring sleeved on the guide rod, the upper end of the spring contacts with the lower end surface of the guide block, the lower end of the spring contacts with the upper end surface of the Z-axis slide rail, and the first electric screwdriver is installed on the Z-axis slide seat; the structure of the second electric batch buffer mechanism is the same as that of the first electric batch buffer mechanism.
Further, in the above technical solution, the first visual detection module includes a first mounting bracket mounted on the first Y-axis moving base and capable of adjusting a relative position, a CCD camera mounted on the first mounting bracket, a second mounting bracket mounted on the first Y-axis moving base and capable of adjusting a relative position, and an annular LED light source mounted on the second mounting bracket, the annular LED light source being located below the CCD camera; the structure of the second visual detection module is the same as that of the first visual detection module.
Furthermore, in the above technical solution, the first Y-axis driving module, the first Z-axis lifting module, the second Y-axis driving module, and the second Z-axis lifting module are all driven by a servo motor lead screw module.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the invention realizes the supply of two different screws in an intelligent and automatic mode, and the first electric screwdriver and the second electric screwdriver respectively lock and pay the two different screws on a product to realize double-station screw locking, thereby meeting the requirements of different screw locking, greatly improving the working efficiency, reducing the labor intensity, and leading the structure of the invention to be more compact, occupying less space and having lower cost. In addition, the invention also adopts a visual detection module to accurately find the position of the product needing to be locked with the screw and judge the quality of the locked screw, thereby ensuring the quality of the locked screw; in addition, because the first electric screwdriver is installed on the first Z-axis lifting module through the first electric screwdriver buffering mechanism, the first electric screwdriver is guaranteed to be in non-rigid contact with a product when being locked with a screw, namely, when the first electric screwdriver is stressed excessively, the first electric screwdriver can move upwards for a certain distance to a certain extent, the quality of screw locking is guaranteed, and meanwhile, the phenomenon that the product is damaged is prevented.
Drawings
FIG. 1 is a perspective view of an intelligent dual-station on-line screw driver incorporating the present invention;
FIG. 2 is a perspective view of a first electric batch torque tester assembly of the present invention;
FIG. 3 is a perspective view of a feeding device in an intelligent double-station in-line screw driving machine equipped with the present invention;
FIG. 4 is a perspective view of the present invention;
FIG. 5 is a partial perspective view of the present invention;
fig. 6 is a partial perspective view from another perspective of the present invention.
Description of the reference numerals
Fixed feeding rail 21 and movable feeding rail 22 of feeding device 2
First slide rail seat 301, second slide rail seat 302, first X-axis beam 303
Second Y-axis moving base 307, second electric batch 308, second vision inspection module 309
First X-axis driving module 31 and second X-axis driving module 32
The first Y-axis driving module 33, the first Y-axis slide rail 331 and the second Y-axis slide rail 332
First Y-axis slider 333 first Y-axis servo motor assembly 334 first Z-axis lifting module 34
First electric screwdriver buffer mechanism 35 lifting seat 351 guide block 352
Z-axis slide 353Z-axis slide 354 guide 355
Second Z-axis lifting module 38, second electric screwdriver buffer mechanism 39 and first screw supply device 4
Second screw supply device 5 first electric screwdriver torque tester assembly 6 first support 61
First electric screwdriver torque tester 62 is to first fixed stopper 63 of mouth 621
Second fixed stop 64, first movable stop 65, second movable stop 66
A second electric batch torque tester assembly 7.
Detailed Description
The invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1 to 6, there is shown an intelligent double-station online screwing machine equipped with the present invention, which includes: a machine base 1; the feeding device 2 comprises a fixed feeding track 21 fixed on the base 1, a first feeding belt arranged on the fixed feeding track 21, a first motor assembly 24 used for driving the first feeding belt to move, a movable feeding track 22 arranged on the base 1 in a mode of adjusting the position relative to the fixed feeding track 21, a second feeding belt arranged on the movable feeding track 22 and a second motor assembly 23 used for driving the second feeding belt to move, the first feeding belt and the second feeding belt synchronously operate to drive products or jigs for loading the products, which are placed on the fixed feeding rail 21 and the movable feeding rail 22, to move (the jigs are carriers for loading the products and positioning the products, and the jigs are placed on the first feeding belt and the second feeding belt and can move along with the rotation of the first feeding belt and the second feeding belt); the double-station screw locking device 3 comprises a first slide rail seat 301 and a second slide rail seat 302 which are arranged on two sides of the feeding device 2 and distributed in parallel, a first X-axis driving module 31 arranged on the inner side of the first slide rail seat 301, a second X-axis driving module 32 arranged on the inner side of the second slide rail seat 302, a first X-axis cross beam 303 arranged on the first slide rail seat 301 and the second slide rail seat 302 in a sliding manner, a second X-axis cross beam 304 arranged on the first slide rail seat 301 and the second slide rail seat 302 in a sliding manner, a first Y-axis moving seat 305 arranged on the first X-axis cross beam 303 in a sliding manner, a first Y-axis driving module 33 used for driving the first Y-axis moving seat 305 to move along the Y-axis direction, a first Z-axis lifting module 34 arranged on the first Y-axis lifting module 34, a first electric batch buffer mechanism 35 arranged on the first electric batch buffer mechanism 35 and used for locking a first screw A screwdriver 306, a first visual inspection module 36 mounted on the first Y-axis moving base 305 for inspecting the position and quality of the lock screw, a second Y-axis moving base 307 slidably mounted on the second X-axis beam 304, a second Y-axis driving module for driving the second Y-axis moving base 307 to move along the Y-axis direction, a second Z-axis lifting module 38 mounted on the second Y-axis moving base 307, a second screwdriver buffering mechanism 39 mounted on the second Z-axis lifting module 38, a second screwdriver 308 mounted on the second screwdriver buffering mechanism 39 for locking the second screw, and a second visual inspection module 309 mounted on the second Y-axis moving base 307 for inspecting the position and quality of the lock screw; the first X-axis driving module 31 is further connected to the first X-axis beam 303, and drives the first X-axis beam 303 to move in the X-axis direction; the second X-axis driving module 32 is further connected to the second X-axis beam 304, and drives the second X-axis beam 304 to move in the X-axis direction; a first screw supplying device 4 for supplying a first type of screw, which is installed on the machine base 1 and is located beside the first electric batch 306; a second screw supply device 5 for supplying a second screw, which is installed on the machine base 1 and is located beside the second electric batch 308; the first electric batch torsion tester component 6 is arranged on the base 1, is positioned beside the first electric batch 306 and is used for detecting the torsion of the first electric batch 306; and the second electric batch torsion tester component 7 is arranged on the machine base 1, is positioned beside the second electric batch 308, and is used for detecting the torsion of the second electric batch 308. When the intelligent double-station online screw locking machine provided by the invention works, a product or a jig for loading the product is placed on the first feeding belt and the second feeding belt on the fixed feeding rail 21 and the movable feeding rail 22, and the first and second feed belts operate synchronously to drive the product or product-containing tool to pass under the first electric batch 306 and/or under the second electric batch 308, before the first electric batch 306 and the second electric batch 308 are locked, the first electric batch 306 and the second electric batch 308 are respectively moved to the first electric batch 306 torsion tester component 6 and the second electric batch torsion tester component 7 to debug the torsion of the first electric batch 306 and the second electric batch 308, so that the phenomenon that the first electric batch 306 and the second electric batch 308 have overlarge torsion in the screw locking process to damage products is prevented, or the phenomenon that the first electric screwdriver 306 and the second electric screwdriver 308 have too small torsion in the screw locking process to cause the screw locking is not tight is prevented; then, the first visual inspection module 36 takes a picture and processes the picture to accurately determine the specific position of the first screw locked on the product, at the same time, the first screw supplying device 4 supplies the first screw to the first screwdriver 306, the first X-axis driving module 31 and the first Y-axis driving module 33 drive the first screwdriver 306 to move in the direction of X, Y axis, so that the first screwdriver 306 can lock and apply the first screw to the product, completing the locking and applying of the first screw at the first station, and at this time, since the first electric screwdriver 306 is mounted on the first Z-axis lifting module through the first screwdriver buffering mechanism 35, it is ensured that the first electric screwdriver 306 is not in rigid contact with the product when the screw is screwed, namely, when the first electric screwdriver 306 is stressed excessively, the first electric screwdriver can move upwards for a certain distance to a certain extent, so that the screw locking quality is ensured, and meanwhile, the phenomenon of damaging a product is prevented; and the quality of the lock screw is accurately judged by taking a picture by the first visual detection module 36 and performing graphic processing; after the product is qualified, the product of the feeding device 2 or the jig for loading the product is transferred to the lower part of the second electric batch 308, the second visual detection module takes a picture and accurately judges the specific position of the product for locking and delivering the second screw through the image processing, at the same time, the second screw supplying device 5 transmits and supplies the second screw to the second electric batch 308, and the second X-axis driving module and the second Y-axis driving module drive the second electric batch 308 to move in the X, Y-axis direction, so that the second electric batch 308 can lock and deliver the second screw on the product to complete the locking and delivering of the second screw at the second station, at this time, because the second electric batch 308 is installed on the second Z-axis lifting module through the second electric batch buffer mechanism, the second electric batch 308 is ensured to be in non-rigid contact with the product when locking the screw, namely, when the second electric batch 308 is excessively stressed, the second electric batch can move upwards for a certain distance to a certain extent, the quality of the screw locking is ensured, and the phenomenon of damaging products is prevented; the second visual detection module takes a picture and accurately judges the quality of the lock screw through image processing; thereby ensuring the locking quality of the two screws. The invention realizes the supply of two different screws in an intelligent and automatic mode, and the first electric screw 306 and the second electric screw 308 respectively lock and attach the two different screws on a product to realize double-station screw locking, thereby meeting the requirements of different screw locking, greatly improving the working efficiency, reducing the labor intensity, and leading the structure of the invention to be more compact, occupying less space and having lower cost. In addition, the invention also adopts a visual detection module to accurately find the position of the product needing to be locked with the screw and judge the quality of the locked screw, thereby ensuring the quality of the locked screw; in addition, because the first electric screwdriver 306 is installed on the first Z-axis lifting module through the first electric screwdriver buffering mechanism 35, it is ensured that the first electric screwdriver 306 is in non-rigid contact with the product when the screw is locked, that is, when the first electric screwdriver 306 is excessively stressed, the first electric screwdriver can move upwards for a certain distance to a certain extent, so that the screw locking quality is ensured, and meanwhile, the phenomenon of damaging the product is prevented.
The feeding device 2 further comprises a first positioning module 25 and a second positioning module 26 which are installed between the fixed feeding rail 21 and the movable feeding rail 22 and used for positioning products or jigs for loading the products which are placed on the fixed feeding rail 21 and the movable feeding rail 22, wherein the first positioning module 25 and the second positioning module 26 are respectively positioned at the sides of the first electric batch 306 and the second electric batch 308; the first positioning module 25 is used for positioning a product or a tool for loading the product below the first screwdriver 306 so as to realize the screw locking at the first station; the second positioning module 26 is used for positioning the product or the tool for loading the product below the second screwdriver 308 so as to realize the second station screw locking.
Specifically, the first positioning module 25 includes a first positioning cylinder mounted on the machine base 1 in a manner of adjusting a relative position, and a positioning frame 251 mounted on a piston rod at an upper end of the first positioning cylinder and used for positioning a product or a jig for loading the product. The first positioning module 25 and the second positioning module 26 have the same structure.
A third slide rail 11 and a fourth slide rail 12 which are distributed in parallel are arranged on the machine base 1; the two sides of the lower end of the movable feeding track 22 are slidably mounted on the third slide rail 11 and the fourth slide rail 12 through the third slide block 221 and the fourth slide block 222, respectively, the third slide block 221 is provided with a first lock rod 223 for locking the third slide block 221 on the third slide rail 11, and the fourth slide block 222 is provided with a second lock rod for locking the fourth slide block 222 on the fourth slide rail 12. According to the size of the actual product or the jig for loading the product, the position of the movable feeding track 22 relative to the fixed feeding track 21 can be adjusted to meet the requirements of conveying products with different sizes or jigs for loading the product, so that the jig for conveying products with different sizes is wider in application range and more flexible and convenient to use. Specifically, during adjustment, the first lock lever 223 and the second lock lever are twisted to unlock and loosen the third slider 221 relative to the third slide rail 11, the fourth slider 222 is unlocked and loosened relative to the fourth slide rail 12, and finally, the two sides of the lower end of the movable feeding rail 22 slide on the third slide rail 11 and the fourth slide rail 12 through the third slider 221 and the fourth slider 222 respectively, so as to adjust the relative positions of the movable feeding rail 22 on the third slide rail 11 and the fourth slide rail 12, and after the interval between the movable feeding rail 22 and the fixed feeding rail 21 is determined to meet the requirement, the first lock lever 223 and the second lock lever are twisted to lock the third slider 221 on the third slide rail 11, and simultaneously lock the fourth slider 222 on the fourth slide rail 12.
The first X-axis driving module 31 includes a first X-axis slide rail and a second X-axis slide rail which are mounted on the upper and lower sides of the inner side of the first slide rail seat 301, a first X-axis slide seat which is mounted on the first X-axis slide rail and the second X-axis slide rail, and a first X-axis servo motor assembly which is mounted on the inner side of the first slide rail seat 301 and is used for driving the first X-axis slide seat to move on the first X-axis slide rail and the second X-axis slide rail along the X-axis direction, and the first X-axis slide seat is connected with the first X-axis cross beam 303; since the first X-axis driving module 31 is installed inside the first rail seat 301, it can reduce the installation height, save space, and facilitate the design. The structure of the second X-axis driving module 32 is the same as that of the first X-axis driving module 31, and is not repeated here.
The first Y-axis driving module 33 includes a first Y-axis slide rail 331 and a second Y-axis slide rail 332 installed at upper and lower sides of an inner side of the first X-axis beam 303, a first Y-axis slider 333 installed on the first Y-axis slide rail 331 and the second Y-axis slide rail 332, and a first Y-axis servo motor assembly 334 installed at an inner side of the first X-axis beam 303 and used for driving the first Y-axis slider 333 to move on the first Y-axis slide rail 331 and the second Y-axis slide rail 332 along the Y-axis direction, wherein the first Y-axis moving base 305 is installed on the first Y-axis slider 333 and moves with respect to the first Y-axis slider 333; the second Y-axis driving module has the same structure as the first Y-axis driving module 33.
The first electric screwdriver torque tester component 6 comprises a first support 61 arranged on the base 1, a first electric screwdriver torque tester 62 arranged on the first support 61, a first fixed limiting block 63 and a second fixed limiting block 64 which are arranged on the first support 61 and distributed at a right angle, a first movable limiting block 65 and a second movable limiting block 66 which are arranged on the first support 61 in a manner of adjusting relative positions and distributed at a right angle, the first fixed limiting block 63, the second fixed limiting block 64, the first movable limiting block 65 and the second movable limiting block 66 are matched to clamp the first electric screwdriver torque tester 62, and a butt joint mouth 621 used for corresponding to an electric screwdriver head of the first electric screwdriver 306 is arranged at the upper end of the first electric screwdriver torque tester 62; specifically, the first movable limiting block 65 and the second movable limiting block 66 are provided with a plurality of holes, the screws penetrate through the bar-shaped holes to fix the first movable limiting block 65 and the second movable limiting block 66 on the first support 61, and meanwhile, the relative positions of the screws and the bar-shaped holes can be adjusted to adjust the positions of the first movable limiting block 65 and the second movable limiting block 66 relative to the first support 61, so that the first electric screwdriver torque tester 62 is fastened.
The structure of the second electric batch torque tester component 7 is the same as that of the first electric batch torque tester component 6, and is not described in detail herein.
The first electric screwdriver buffer mechanism 35 includes a lifting seat 351 mounted on the first Z-axis lifting module 34 and driven by the first Z-axis lifting module 34 to lift, a guide block 352 fixed at the upper end of the lifting seat 351 and having a guide hole, a Z-axis slide rail 353 mounted on the lifting seat 351, a Z-axis slide seat 354 mounted on the Z-axis slide rail 353, a guide rod 355 mounted at the upper end of the Z-axis slide seat 354 and passing through the guide hole in the guide block 352, and a spring 356 sleeved on the guide rod 355, wherein the upper end of the spring 356 contacts with the lower end surface of the guide block 352, the lower end of the spring 356 contacts with the upper end surface of the Z-axis slide rail 353, and the first electric screwdriver 306 is mounted on the Z-axis slide seat 354; the Z-axis slide rail 353 and the first electric screwdriver 306 are positioned at the lower end of the lifting seat 351 under the action of the elastic force of the spring 356, when the force applied to the first electric screwdriver 306 is greater than the elastic force of the spring 356, the Z-axis slide rail 353 and the first electric screwdriver 306 slide upwards relative to the guide block 352 through the guide rod 355, so that the buffering effect is achieved, the first electric screwdriver 306 is guaranteed to be in non-rigid contact with a product when locking the screw, namely, when the first electric screwdriver 306 is excessively stressed, the first electric screwdriver can upwards move for a certain distance to a certain extent, the screw locking quality is guaranteed, and meanwhile, the phenomenon that the product is damaged is prevented from occurring.
The structure of the second electric batch buffering mechanism 39 is the same as that of the first electric batch buffering mechanism 35, and therefore, the detailed description is omitted here, and the same functions and technical effects are achieved.
The first visual inspection module 36 includes a first mounting frame 361 mounted on the first Y-axis moving base 305 and capable of adjusting the relative position, a CCD camera 362 mounted on the first mounting frame 361, a second mounting frame 363 mounted on the first Y-axis moving base 305 and capable of adjusting the relative position, and an annular LED light source 364 mounted on the second mounting frame 363, wherein the annular LED light source 364 is located below the CCD camera 362; the second vision inspection module 309 has the same structure as the first vision inspection module 36.
The first Y-axis driving module 33, the first Z-axis lifting module 34, the second Y-axis driving module and the second Z-axis lifting module 38 are all driven by a servo motor lead screw module, the operation is stable, the precision is high, and the working quality can be effectively improved.
In summary, the invention adopts an intelligent and automatic way to realize the supply of two different screws, and the first electric screwdriver 306 and the second electric screwdriver 308 respectively lock and fix the two different screws on the product to realize double-station screw locking, which can meet different screw locking requirements, greatly improve the working efficiency, reduce the labor intensity, and make the structure of the invention more compact, occupy less space and lower cost. In addition, the invention also adopts a visual detection module to accurately find the position of the product needing to be locked with the screw and judge the quality of the locked screw, thereby ensuring the quality of the locked screw; in addition, the first electric screwdriver 306 is installed on the first Z-axis lifting module through the first electric screwdriver buffering mechanism 35, so as to ensure that the first electric screwdriver 306 is in non-rigid contact with the product when the screw is locked, that is, the first electric screwdriver 306 can move upwards for a certain distance to a certain extent when the stress is excessive, thereby ensuring the quality of screw locking and preventing the product from being damaged.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (8)
1. The double-station screw locking device of the intelligent double-station online screw locking machine is characterized in that the double-station screw locking device (3) comprises a first slide rail seat (301) and a second slide rail seat (302) which are distributed in parallel, a first X-axis driving module (31) installed on the inner side of the first slide rail seat (301), a second X-axis driving module (32) installed on the inner side of the second slide rail seat (302), a first X-axis cross beam (303) installed on the first slide rail seat (301) and the second slide rail seat (302) in a slidable mode, a second X-axis cross beam (304) installed on the first slide rail seat (301) and the second slide rail seat (302) in a slidable mode, a first Y-axis moving seat (305) installed on the first X-axis cross beam (303) in a slidable mode, and a first Y-axis driving module (33) used for driving the first Y-axis moving seat (305) to move along the Y-axis direction, A first Z-axis lifting module (34) arranged on the first Y-axis lifting module (305), a first electric batch buffer mechanism (35) arranged on the first Z-axis lifting module (34), a first electric batch (306) arranged on the first Z-axis lifting module (35) and used for locking a first type of screw, a first visual detection module (36) arranged on the first Y-axis lifting module (305) and used for detecting the position of the locked screw and detecting the quality of the locked screw, a second Y-axis moving base (307) arranged on the second X-axis beam (304) in a sliding way, a second Y-axis driving module used for driving the second Y-axis moving base (307) to move along the Y-axis direction, a second Z-axis lifting module (38) arranged on the second Y-axis moving base (307), a second electric batch buffer mechanism (39) arranged on the second Z-axis lifting module (38), and a second electric batch (308) arranged on the second electric batch buffer mechanism (39) and used for locking a second type of screw, and a second visual detection module (36) arranged on the first Y-axis lifting module (35) and used for detecting the position of the locked screw A second visual detection module (309) which is arranged on the second Y-axis moving seat (307) and is used for detecting the position of the lock screw and detecting the quality of the lock screw; the first X-axis driving module (31) is also connected with the first X-axis beam (303) and drives the first X-axis beam (303) to move in the X-axis direction; the second X-axis driving module (32) is also connected with a second X-axis beam (304) and drives the second X-axis beam (304) to move in the X-axis direction.
2. The double-station screw locking device of the intelligent double-station online screw locking machine according to claim 1, characterized in that: the screw driver is characterized by further comprising a first screw supply device (4) used for conveying and supplying a first screw to the first electric batch (306) and a second screw supply device (5) used for conveying and supplying a second screw to the second electric batch (308), wherein the first screw supply device (4) and the second screw supply device (5) are both arranged on the machine base (1) and are respectively positioned at the sides of the first electric batch (306) and the second electric batch (308).
3. The double-station screw locking device of the intelligent double-station online screw locking machine according to claim 2, characterized in that: the electric screwdriver torque tester comprises a base (1), a first electric screwdriver torque tester component (6) and a second electric screwdriver torque tester component (7), wherein the first electric screwdriver torque tester component (6) is installed on the base (1), is positioned beside the first electric screwdriver (306) and is used for detecting the torque of the first electric screwdriver (306); the second electric screwdriver torsion tester component (7) is arranged on the base (1), is positioned beside the second electric screwdriver (308), and is used for detecting the torsion of the second electric screwdriver (308).
4. The double-station screw locking device of the intelligent double-station online screw locking machine according to claim 3, characterized in that: the first electric screwdriver torque tester component (6) comprises a first bracket (61) arranged on the base (1), a first electric screwdriver torque tester (62) arranged on the first bracket (61), a first fixed limiting block (63) and a second fixed limiting block (64) which are arranged on the first bracket (61) and are distributed at a right angle, a first movable limiting block (65) and a second movable limiting block (66) which are arranged on the first bracket (61) in a manner of adjusting relative positions and are distributed at a right angle, the first fixed limiting block (63), the second fixed limiting block (64), the first movable limiting block (65) and the second movable limiting block (66) are matched to clamp the first electric screwdriver torque tester (62), the upper end of the first electric screwdriver torsion tester (62) is provided with a butt joint nozzle (621) corresponding to the electric screwdriver head of the first electric screwdriver (306); the structure of the second electric batch torsion tester assembly (7) is the same as that of the first electric batch torsion tester assembly (6).
5. The double-station screw locking device of the intelligent double-station online screw locking machine according to any one of claims 1-4, characterized in that: the first Y-axis driving module (33) comprises a first Y-axis sliding rail (331) and a second Y-axis sliding rail (332) which are arranged at the upper side and the lower side of the inner side of the first X-axis cross beam (303), a first Y-axis sliding block (333) which is arranged on the first Y-axis sliding rail (331) and the second Y-axis sliding rail (332), and a first Y-axis servo motor component (334) which is arranged at the inner side of the first X-axis cross beam (303) and is used for driving the first Y-axis sliding block (333) to move on the first Y-axis sliding rail (331) and the second Y-axis sliding rail (332) along the Y-axis direction, wherein the first Y-axis moving seat (305) is arranged on the first Y-axis sliding block (333) and moves on the first Y-axis sliding block (333); the structure of the second Y-axis driving module is the same as that of the first Y-axis driving module (33).
6. The double-station screw locking device of the intelligent double-station online screw locking machine according to any one of claims 1-4, characterized in that: the first electric screwdriver buffer mechanism (35) comprises a lifting seat (351) which is arranged on a first Z-axis lifting module (34) and driven by the first Z-axis lifting module (34) to lift, a guide block (352) which is fixed at the upper end of the lifting seat (351) and is provided with a guide hole, a Z-axis slide rail (353) which is arranged on the lifting seat (351), a Z-axis slide seat (354) which is arranged on the Z-axis slide rail (353), a guide rod (355) which is arranged at the upper end of the Z-axis slide seat (354) and penetrates through the guide hole in the guide block (352), and a spring (356) which is sleeved on the guide rod (355), wherein the upper end of the spring (356) is contacted with the lower end surface of the guide block (352), the lower end of the spring (356) is contacted with the upper end surface of the Z-axis slide rail (353), and the first electric screwdriver (306) is arranged on the Z-axis slide seat (354); the structure of the second electric batch buffer mechanism (39) is the same as that of the first electric batch buffer mechanism (35).
7. The double-station screw locking device of the intelligent double-station online screw locking machine according to claim 6, characterized in that: the first visual detection module (36) comprises a first mounting frame (361) which is arranged on the first Y-axis moving seat (305) and can adjust the relative position, a CCD camera (362) which is arranged on the first mounting frame (361), a second mounting frame (363) which is arranged on the first Y-axis moving seat (305) and can adjust the relative position, and an annular LED light source (364) which is arranged on the second mounting frame (363), wherein the annular LED light source (364) is positioned below the CCD camera (362); the structure of the second visual detection module (309) is the same as that of the first visual detection module (36).
8. The double-station screw locking device of the intelligent double-station online screw locking machine according to claim 6, characterized in that: the first Y-axis driving module (33), the first Z-axis lifting module (34), the second Y-axis driving module and the second Z-axis lifting module (38) are all driven by a servo motor lead screw module.
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| CN202111103120.0A CN113560871A (en) | 2021-09-18 | 2021-09-18 | Double-station screw locking device of intelligent double-station online screw locking machine |
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| CN202111103120.0A CN113560871A (en) | 2021-09-18 | 2021-09-18 | Double-station screw locking device of intelligent double-station online screw locking machine |
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| CN113997061A (en) * | 2021-11-16 | 2022-02-01 | 上海乐枫生物科技有限公司 | Double-station visual wire locking machine for ultrapure water purifier |
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Application publication date: 20211029 |