CN115179026A - Automatic combination equipment of screwing up of screw thread conduction formula - Google Patents
Automatic combination equipment of screwing up of screw thread conduction formula Download PDFInfo
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- CN115179026A CN115179026A CN202210840966.0A CN202210840966A CN115179026A CN 115179026 A CN115179026 A CN 115179026A CN 202210840966 A CN202210840966 A CN 202210840966A CN 115179026 A CN115179026 A CN 115179026A
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- 230000007246 mechanism Effects 0.000 claims abstract description 196
- 238000003825 pressing Methods 0.000 claims abstract description 70
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- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000001360 synchronised effect Effects 0.000 claims description 45
- 230000005540 biological transmission Effects 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims description 28
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- 230000003139 buffering effect Effects 0.000 description 1
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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
Abstract
The invention discloses a thread conduction type automatic tightening combination device and method, wherein the device comprises a power mechanism, a tightening executing mechanism, a pressing mechanism, an auxiliary fastening mechanism and a welding bracket; the auxiliary fastening mechanism is arranged on the welding bracket and can slide along the surface of the welding bracket, and the power mechanism, the screwing execution mechanism and the pressing mechanism are arranged on the auxiliary fastening mechanism; the power mechanism is used for providing power for the equipment and transmitting the power to the tightening executing mechanism; the tightening executing mechanism is used for realizing automatic tightening of the workpiece; the pressing mechanism is used for pressing the end face of the workpiece; the auxiliary button recognizing mechanism provides pressure for the power mechanism, the screwing executing mechanism and the pressing mechanism above to move towards the workpiece, and assists in realizing an automatic button recognizing function. The thread conduction type automatic tightening combination equipment and the thread conduction type automatic tightening combination method have the functions of automatic fastening, automatic tightening, automatic resetting, torque monitoring and the like, can effectively reduce the labor cost, and improve the productivity and the yield.
Description
Technical Field
The invention belongs to the field of assembly, and particularly relates to a thread conduction type automatic tightening combination device.
Background
In the combination process is screwed up in current screw thread conduction, for the convenience of manual operation adopt press from both sides tight frock with the screw thread clamp tightly, recycle lever principle and increase the arm of force, exert the manual work and until the work piece can't rotate and judge through the experience whether reach the moment of screwing up, often can appear pressing from both sides tight frock and damage the work piece screw thread or screw up the not enough work piece that leads to the combination scheduling problem of not screwing up completely of moment.
Therefore, with the continuous development of assembly automation and related technologies, automation equipment gradually replaces manual work, the existing manual assembly mode cannot meet production requirements, and equipment capable of reducing manpower and improving production efficiency and yield is urgently needed.
Disclosure of Invention
The invention aims to provide a thread combination automatic tightening device with functions of automatic fastening, automatic tightening, automatic resetting, torque monitoring and the like, so that the labor cost is reduced, and the productivity and the yield are improved.
The technical solution for realizing the purpose of the invention is as follows: a thread conduction type automatic tightening combination device comprises a power mechanism, a tightening execution mechanism, a pressing mechanism, an auxiliary fastening mechanism and a welding bracket; the auxiliary fastening mechanism is arranged on the welding bracket and can slide along the surface of the welding bracket, and the power mechanism, the screwing executing mechanism and the pressing mechanism are arranged on the auxiliary fastening mechanism;
the power mechanism is used for providing power for the equipment and transmitting the power to the tightening executing mechanism;
the tightening actuating mechanism is used for realizing automatic tightening of the workpiece;
the pressing mechanism is used for pressing the end face of the workpiece;
the auxiliary button recognizing mechanism provides pressure for the power mechanism, the screwing executing mechanism and the pressing mechanism above to move towards the workpiece, and assists in realizing an automatic button recognizing function.
Furthermore, the power mechanism comprises a servo motor, a speed reducer mounting seat, a tensioning block, a first synchronous belt pulley, a second synchronous belt pulley, a first pressing plate, a second pressing plate, a synchronous belt, a first transmission shaft, a second transmission shaft, a first belt seat bearing, a second belt seat bearing, a third belt seat bearing, a fourth belt seat bearing, a first mounting seat, a second mounting seat, a first coupler, a second coupler, a torque sensor, a sensor mounting seat and a pinion;
the speed reducer mounting seat, the first mounting seat, the second mounting seat and the sensor mounting seat are mounted on the auxiliary buckle recognizing mechanism, the speed reducer, the tensioning block and the first synchronous belt pulley are mounted on the speed reducer mounting seat, the servo motor is mounted on the speed reducer, the first belt bearing and the second belt bearing are mounted on the first mounting seat, the first transmission shaft is mounted between the first belt bearing and the second belt bearing, the first synchronous belt pulley is mounted on the speed reducer, the second synchronous belt pulley is mounted on the first transmission shaft, the first pressing plate and the second pressing plate are respectively used for fixing the first synchronous belt pulley and the second synchronous belt pulley, and the synchronous belt is mounted on the first synchronous belt pulley and the second synchronous belt pulley; the torque sensor is arranged on the sensor mounting seat, the first coupler is arranged between the torque sensor and the first transmission shaft, the third belt seat bearing and the fourth belt seat bearing are arranged on the second mounting seat, the second transmission shaft is arranged between the third belt seat bearing and the fourth belt seat bearing, the pinion is arranged on the second transmission shaft, and the second coupler is arranged between the torque sensor and the second transmission shaft;
under the drive of the servo motor, power is transmitted to the tightening executing mechanism sequentially through the speed reducer, the first synchronous belt wheel, the synchronous belt, the second synchronous belt wheel, the first transmission shaft, the second transmission shaft and the pinion, and the torque monitoring function of the equipment is guaranteed.
Furthermore, the tightening actuating mechanism comprises a tightening tool sleeve, a tightening tool, a first fixing pin, a second fixing pin, a pressing cover plate, a ball bearing, a thrust needle bearing, a jacking sleeve, a gear bearing, a flange integrated oilless bushing, a gear mounting seat, a metal plate limiting block, a connecting seat, a needle bearing and a pin shaft;
the gear mounting seat is mounted on the auxiliary fastening mechanism, the gear bearing, the flange integrated oilless bushing and the metal plate limiting block are mounted on the gear mounting seat, the tightening tool sleeve is mounted on the gear bearing, the tightening tool is mounted on the tightening tool sleeve, and the gear bearing is meshed with the pinion; the jacking sleeve penetrates through the flange integrated oilless bushing, the connecting seat is sleeved on one end of the jacking sleeve and penetrates through a groove above the metal plate limiting block, a clamping groove is formed in the connecting seat, and a needle bearing is arranged in the clamping groove and fixed through a pin shaft; a boss is arranged at a position, away from the end face, of the other end of the jacking sleeve, a thrust needle roller bearing is sleeved on the boss, a ball bearing is sleeved at the other end of the jacking sleeve, and a pressing cover plate is sleeved on the ball bearing; the first fixing pin and the second fixing pin are arranged between the tightening tool and the tightening tool sleeve, are used for fixing the tightening tool and quickly replacing the tightening tool sleeve, and are compatible with a workpiece in a thread combination mode; hold down the apron and compress tightly the work piece terminal surface behind hold-down mechanism supports bearing, when power unit's power conduction is to the gear bearing who screws up actuating mechanism, gear bearing, screw up the frock cover, screw up the frock, compress down the apron and follow the commentaries on classics, push up tight sleeve, connecting seat, bearing, round pin axle and do not follow the commentaries on classics, realize automatic function of screwing up from this.
Furthermore, the screwing executing mechanism further comprises a first O-shaped ring and a second O-shaped ring which are arranged on the screwing tool and used for realizing that the position of the workpiece has a certain floating amount in the circumferential direction after the outer thread of the non-combined end surface of the workpiece is combined with the screwing tool.
Furthermore, the actuating mechanism also comprises a C-shaped hole snap ring which is sleeved on the boss of the jacking sleeve and used for fixing the end face of the thrust needle bearing.
Furthermore, the pressing mechanism comprises a wedge block, a first air cylinder, a first guide rail, a first sliding block and a wedge block mounting seat;
the first cylinder and the first guide rail are arranged on the wedge block mounting seat, the first sliding block is arranged on the first guide rail, the wedge block is arranged on the first sliding block and connected with the tail end of the first cylinder, the first cylinder pushes out the wedge block before the equipment screws a workpiece, and the protruding part of the wedge block abuts against the needle bearing, so that the pressing cover plate is guaranteed to press the end face of the workpiece.
Furthermore, the auxiliary buckle recognizing mechanism comprises a mechanism mounting bottom plate, an oil buffer, a buffer mounting block, a second air cylinder, an air cylinder mounting block, a second guide rail, a second slide block, a third guide rail, a fourth slide block and a fifth slide block;
the second guide rail and the third guide rail are arranged on the welding bracket in parallel, the second sliding block and the third sliding block are arranged on the second guide rail, the fourth sliding block and the fifth sliding block are arranged on the third guide rail, and the mechanism mounting base plate is arranged on the sliding blocks on the second guide rail and the third guide rail and can slide along the guide rails; the second cylinder is installed on the mechanism installation bottom plate through the cylinder installation block, and the driving mechanism installation bottom plate slides along the guide rail; the hydraulic buffer is arranged on the welding bracket through the buffer mounting block and is used for providing buffer force for the movement of the mechanism mounting base plate and limiting; the speed reducer mounting seat, the first mounting seat, the second mounting seat, the sensor mounting seat, the gear mounting seat and the wedge block mounting seat are mounted on the mechanism mounting bottom plate, and the mechanism mounting bottom plate moves to provide pressure for the power mechanism, the screwing executing mechanism and the pressing mechanism above the mechanism mounting bottom plate to move towards the workpiece direction, so that the automatic buckle recognizing function is realized in an auxiliary manner.
A thread conduction type automatic screwing combination method based on the equipment comprises the following steps:
step 1, a first cylinder of a pressing mechanism pushes out a wedge block, and a protruding part of the wedge block props against a needle bearing to fix a pressing cover plate in a screwing executing mechanism;
step 2, the auxiliary fastening mechanism pushes out the power mechanism, the tightening executing mechanism and the pressing mechanism above the auxiliary fastening mechanism, so that a tightening tool of the tightening executing mechanism is in contact with an external thread at the tail end of the workpiece;
step 3, the power mechanism provides power to enable a gear bearing of the tightening executing mechanism to rotate, the gear bearing drives the tightening tool to be fastened and screwed with the external thread at the tail end of the workpiece, and the end face of the workpiece is in contact with a pressing cover plate in the tightening executing mechanism;
and 5, pulling back the power mechanism, the screwing executing mechanism and the pressing mechanism above by the auxiliary fastening mechanism, so that the screwing tool of the screwing executing mechanism is separated from the tail end of the workpiece, and resetting the equipment.
Compared with the prior art, the invention has the following remarkable advantages:
(1) Through the mode of screw thread combination conduction, utilize the mode that the screw thread of screwing up the frock combines together with the screw thread of work piece, reach the effect that both the effective conduction of assurance power can not damage the screw thread of work piece yet.
(2) Utilize torque sensor to be connected with drive mechanism and reach the purpose that the moment of torsion detected to realize the controllable effect of moment of torsion.
(3) Through the power unit that parts such as motor, speed reducer, gear train constitute, reach the effect that produces big tightening torque fast to reduce the manpower.
(4) The thread-combined automatic tightening equipment with the functions of automatic thread-recognizing, automatic tightening, automatic resetting and torque monitoring can effectively reduce the labor cost and improve the productivity and the yield.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention.
FIG. 2 is a schematic diagram of the apparatus of the present invention.
FIG. 3 is a top view of the apparatus of the present invention.
FIG. 4 is a side view of the right rear axle of the apparatus of the present invention.
Fig. 5 is a structural view of an auxiliary catch mechanism.
FIG. 6 is a partial cross-sectional view of the tightening actuator.
Reference numbers in the figures: 1. a power mechanism; 2. screwing down the actuating mechanism; 3. a pressing mechanism; 4. an auxiliary fastening mechanism; 5. welding a bracket; 1.1, comprising a servo motor; 1.2, a speed reducer; 1.3, a speed reducer mounting seat; 1.4, a tensioning block; 1.5, a first synchronous belt wheel; 1.6, a second synchronous belt wheel; 1.7, a first pressing plate; 1.8, a second pressing plate; 1.9, synchronous belts; 1.10, a first transmission shaft; 1.11, a second transmission shaft; 1.12, a first seated bearing; 1.13, a second seated bearing; 1.14, a third seated bearing; 1.15, a fourth pedestal bearing; 1.16, a first mounting seat; 1.17, a second mounting seat; 1.18, a first coupling; 1.19, a second coupling; 1.20, a torque sensor; 1.21, a sensor mounting seat; 1.22, pinion; 2.1, screwing down the tool sleeve; 2.2, tightening the tool; 2.3, a first fixing pin; 2.4, a second fixing pin; 2.5, a first O-shaped ring; 2.6, a second O-shaped ring; 2.7, pressing the cover plate; 2.8, ball bearings; 2.9, a retaining ring is used for the C-shaped hole; 2.10, a thrust needle roller bearing; 2.11, tightly pushing the sleeve; 2.12, gear bearings; 2.13, flange integrated oilless lining; 2.14, a gear mounting seat; 2.15, a metal plate limiting block; 2.16, a connecting seat; 2.17, needle roller bearings; 2.18, a pin shaft; 3.1, including a wedge block; 3.2, a first cylinder; 3.3, a first guide rail; 3.4, a first sliding block; 3.4, a wedge block mounting seat; 4.1, comprising a mechanism mounting bottom plate; 4.2, an oil buffer; 4.3, buffering the installation block; 4.4, a second cylinder; 4.5, a cylinder mounting block; 4.6, a second guide rail; 4.7, a second slide block; 4.8, a third slide block; 4.9, a third guide rail; 4.10, a fourth slide block; 4.11 and a fifth slide block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In one embodiment, in combination with fig. 1, there is provided a screw-conduction automatic tightening combination apparatus, which includes a power mechanism 1, a tightening actuator 2, a pressing mechanism 3, an auxiliary fastening mechanism 4, and a welding bracket 5; the auxiliary buckle recognizing mechanism 4 is arranged on the welding bracket 5 and can slide along the surface of the welding bracket 5, and the power mechanism 1, the tightening executing mechanism 2 and the pressing mechanism 3 are arranged on the auxiliary buckle recognizing mechanism 4;
the power mechanism 1 is used for providing power for equipment and transmitting the power to the tightening executing mechanism 2;
the screwing executing mechanism 2 is used for automatically screwing the workpiece;
the pressing mechanism 3 is used for pressing the end face of the workpiece;
the auxiliary buckle identifying mechanism 4 provides pressure for the power mechanism 1, the screwing executing mechanism 2 and the pressing mechanism 3 above to move towards the workpiece, and assists in achieving an automatic buckle identifying function.
Further, in one embodiment, with reference to fig. 2 to 6, the power mechanism 1 includes a servo motor 1.1, a speed reducer 1.2, a speed reducer mounting seat 1.3, a tension block 1.4, a first synchronous pulley 1.5, a second synchronous pulley 1.6, a first pressure plate 1.7, a second pressure plate 1.8, a synchronous belt 1.9, a first transmission shaft 1.10, a second transmission shaft 1.11, a first belt seat bearing 1.12, a second belt seat bearing 1.13, a third belt seat bearing 1.14, a fourth belt seat bearing 1.15, a first mounting seat 1.16, a second mounting seat 1.17, a first coupling 1.18, a second coupling 1.19, a torque sensor 1.20, a sensor mounting seat 1.21, and a pinion 1.22;
the speed reducer mounting seat 1.3, the first mounting seat 1.16, the second mounting seat 1.17 and the sensor mounting seat 1.21 are mounted on the auxiliary buckle recognizing mechanism 4, the speed reducer 1.2, the tension block 1.4 and the first synchronous belt pulley 1.5 are mounted on the speed reducer mounting seat 1.3, the servo motor 1.1 is mounted on the speed reducer 1.2, the first belt bearing 1.12 and the second belt bearing 1.13 are mounted on the first mounting seat 1.16, the first transmission shaft 1.10 is mounted between the first belt bearing 1.12 and the second belt bearing 1.13, the first synchronous belt pulley 1.5 is mounted on the speed reducer 1.2, the second synchronous belt pulley 1.6 is mounted on the first transmission shaft 1.10, the first pressing plate 1.7 and the second pressing plate 1.8 are respectively used for fixing the first synchronous belt pulley 1.5 and the second synchronous belt pulley 1.6, and the synchronous belt 1.9 is mounted on the first synchronous belt pulley 1.5 and the second synchronous belt pulley 1.6; the torque sensor 1.20 is installed on the sensor installation base 1.21, the first coupler 1.18 is installed between the torque sensor 1.20 and the first transmission shaft 1.10, the third bearing with a seat 1.14 and the fourth bearing with a seat 1.15 are installed on the second installation base 1.17, the second transmission shaft 1.11 is installed between the third bearing with a seat 1.14 and the fourth bearing with a seat 1.15, the pinion 1.22 is installed on the second transmission shaft 1.11, and the second coupler 1.19 is installed between the torque sensor 1.20 and the second transmission shaft 1.11;
under the drive of the servo motor 1.1, the power is transmitted to the tightening actuating mechanism 2 through the speed reducer 1.2, the first synchronous belt pulley 1.5, the synchronous belt 1.9, the second synchronous belt pulley 1.6, the first transmission shaft 1.10, the second transmission shaft 1.11 and the pinion 1.22 in sequence, and the torque monitoring function of the equipment is ensured.
Further, in one embodiment, with reference to fig. 2 to 6, the tightening actuator 2 includes a tightening tool sleeve 2.1, a tightening tool 2.2, a first fixing pin 2.3, a second fixing pin 2.4, a pressing cover plate 2.7, a ball bearing 2.8, a needle thrust bearing 2.10, a tightening sleeve 2.11, a gear bearing 2.12, a flange-integrated oilless bushing 2.13, a gear mounting seat 2.14, a sheet metal limiting block 2.15, a connecting seat 2.16, a needle bearing 2.17, and a pin shaft 2.18;
the gear mounting seat 2.14 is mounted on the auxiliary fastening mechanism 4, the gear bearing 2.12, the flange integrated oilless bushing 2.13 and the sheet metal limiting block 2.15 are mounted on the gear mounting seat 2.14, the tightening tool sleeve 2.1 is mounted on the gear bearing 2.12, the tightening tool 2.2 is mounted on the tightening tool sleeve 2.1, and the gear bearing 2.12 is meshed with the pinion 1.22; the jacking sleeve 2.11 penetrates through the flange integrated oilless bushing 2.13, the connecting seat 2.16 is sleeved on one end of the jacking sleeve 2.11 and penetrates through a groove above the metal plate limiting 2.15, a clamping groove is formed in the connecting seat 2.16, and a needle bearing 2.17 is arranged in the clamping groove and is fixed through a pin shaft 2.18; a boss is arranged at a position, away from the end face, of the other end of the jacking sleeve 2.11, a thrust needle bearing 2.10 is sleeved on the boss, a ball bearing 2.8 is sleeved at the other end of the jacking sleeve 2.11, and a compression cover plate 2.7 is sleeved on the ball bearing 2.8; the first fixing pin 2.3 and the second fixing pin 2.4 are arranged between the tightening tool 2.2 and the tightening tool sleeve 2.1, are used for fixing the tightening tool 2.2 and quickly replacing the tightening tool sleeve 2.1, and are compatible with a workpiece in a thread combination mode; the pressing mechanism 3 presses the cover plate 2.7 to press the end face of the workpiece after abutting against the needle bearing 2.17, when the power of the power mechanism 1 is transmitted to the gear bearing 2.12 of the screwing actuating mechanism 2, the gear bearing 2.12, the screwing tool sleeve 2.1, the screwing tool 2.2 and the pressing cover plate 2.7 rotate with each other, the jacking sleeve 2.11, the connecting seat 2.16, the needle bearing 2.17 and the pin shaft 2.18 do not rotate with each other, and therefore the automatic screwing function is achieved.
Further, in one embodiment, with reference to fig. 2 to 6, the tightening actuator 2 further includes a first O-ring 2.5 and a second O-ring 2.6 mounted on the tightening tool 2.2, and the first O-ring and the second O-ring are used for realizing that the position of the workpiece has a certain floating amount in the circumferential direction after the external thread of the non-bonding end surface of the workpiece is bonded to the tightening tool 2.2.
Here, the first and second O-rings 2.5, 2.6 are mounted in two grooves on the tightening tool 2.2 for filling the gap between the tightening tool 2.2 and the tightening tool sleeve 2.1.
Further, in one embodiment, the actuator 2 further includes a C-shaped hole snap ring 2.9, which is sleeved on a boss of the push sleeve 2.11 for fixing the end face of the thrust needle bearing 2.10.
Further, in one of the embodiments, the pressing mechanism 3 includes a wedge 3.1, a first cylinder 3.2, a first guide rail 3.3, a first slider 3.4, a wedge mounting seat 3.5;
the first air cylinder 3.2 and the first guide rail 3.3 are arranged on the wedge block mounting seat 3.5, the first sliding block 3.4 is arranged on the first guide rail 3.3, the wedge block 3.1 is arranged on the first sliding block 3.4 and connected with the tail end of the first air cylinder 3.2, the first air cylinder 3.2 pushes out the wedge block 3.1 before the equipment tightens the workpiece, and the convex part of the wedge block 3.1 abuts against the needle bearing 2.17, so that the pressing cover plate 2.7 is guaranteed to press the end face of the workpiece.
Further, in one embodiment, the auxiliary locking mechanism 4 includes a mechanism mounting base plate 4.1, a hydraulic buffer 4.2, a buffer mounting block 4.3, a second cylinder 4.4, a cylinder mounting block 4.5, a second guide rail 4.6, a second slider 4.7, a third slider 4.8, a third guide rail 4.9, a fourth slider 4.10, and a fifth slider 4.11;
the second guide rail 4.6 and the third guide rail 4.9 are arranged on the welding bracket 5 in parallel, the second sliding block 4.7 and the third sliding block 4.8 are arranged on the second guide rail 4.6, the fourth sliding block 4.10 and the fifth sliding block 4.11 are arranged on the third guide rail 4.9, and the mechanism mounting base plate 4.1 is arranged on the sliding blocks on the second guide rail 4.6 and the third guide rail 4.9 and can slide along the guide rails; the second cylinder 4.4 is mounted on the mechanism mounting base plate 4.1 through a cylinder mounting block 4.5, and the driving mechanism mounting base plate 4.1 slides along the guide rail; the hydraulic buffer 4.2 is arranged on the welding bracket 5 through a buffer mounting block 4.3 and is used for providing buffer force for the movement of the mechanism mounting base plate 4.1 and limiting; the speed reducer mounting seat 1.3, the first mounting seat 1.16, the second mounting seat 1.13, the sensor mounting seat 1.21, the gear mounting seat 2.14 and the wedge block mounting seat 3.5 are mounted on the mechanism mounting bottom plate 4.1, and the mechanism mounting bottom plate 4.1 moves to provide pressure for the power mechanism 1, the screwing executing mechanism 2 and the pressing mechanism 3 above the mechanism mounting bottom plate to move towards the workpiece direction, so that the automatic fastening function is realized in an auxiliary manner.
Illustratively, in one of the embodiments, the thread conduction automatic tightening bonding apparatus of the present invention is further described. In this example, the product is a tubular workpiece with an external thread at the tail end and is manually pre-screwed, and the specific operations are as follows:
step 1, manually placing a workpiece at the same horizontal height of a tightening execution mechanism, and fixing one end of an external thread of the workpiece towards the tightening execution mechanism.
Step 2, manually starting the equipment, pushing out the wedge block 3.1 by the first cylinder 3.2 of the pressing mechanism 3, and enabling the convex part of the wedge block 3.1 to abut against the needle bearing 2.17 so as to fix the pressing cover plate 2.7 in the screwing executing mechanism 2;
step 3, the auxiliary fastening mechanism 4 pushes out the power mechanism 1, the tightening actuating mechanism 2 and the pressing mechanism 3 above the auxiliary fastening mechanism, so that a tightening tool 2.2 of the tightening actuating mechanism 2 is in contact with an external thread at the tail end of the workpiece;
and 6, the auxiliary fastening mechanism 4 pulls back the power mechanism 1, the screwing execution mechanism 2 and the pressing mechanism 3 above the auxiliary fastening mechanism, so that the screwing tool 2.2 of the screwing execution mechanism 2 is separated from the tail end of the workpiece to complete equipment resetting.
The thread conduction type automatic tightening combination equipment and the thread conduction type automatic tightening combination method have the functions of automatic fastening, automatic tightening, automatic resetting, torque monitoring and the like, can effectively reduce the labor cost, and improve the productivity and the yield.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions are only illustrative of the principles of the invention, and any modifications, equivalents, improvements and the like within the spirit and scope of the invention should be included in the protection scope of the invention.
Claims (8)
1. The thread conduction type automatic tightening combination equipment is characterized by comprising a power mechanism (1), a tightening execution mechanism (2), a pressing mechanism (3), an auxiliary fastening mechanism (4) and a welding support (5); the auxiliary fastening mechanism (4) is arranged on the welding support (5) and can slide along the surface of the welding support (5), and the power mechanism (1), the screwing execution mechanism (2) and the pressing mechanism (3) are arranged on the auxiliary fastening mechanism (4);
the power mechanism (1) is used for providing power for equipment and transmitting the power to the tightening executing mechanism (2);
the tightening actuating mechanism (2) is used for automatically tightening the workpiece;
the pressing mechanism (3) is used for pressing the end face of the workpiece;
the auxiliary button identifying mechanism (4) provides pressure for the power mechanism (1), the screwing executing mechanism (2) and the pressing mechanism (3) above to move towards the workpiece direction, and assists in achieving an automatic button identifying function.
2. The thread-conducting automatic tightening combination device according to claim 1, wherein the power mechanism (1) comprises a servo motor (1.1), a speed reducer (1.2), a speed reducer mounting seat (1.3), a tension block (1.4), a first synchronous pulley (1.5), a second synchronous pulley (1.6), a first pressure plate (1.7), a second pressure plate (1.8), a synchronous belt (1.9), a first transmission shaft (1.10), a second transmission shaft (1.11), a first belt bearing (1.12), a second belt bearing (1.13), a third belt bearing (1.14), a fourth belt bearing (1.15), a first mounting seat (1.16), a second mounting seat (1.17), a first coupler (1.18), a second coupler (1.19), a torque sensor (1.20), a sensor mounting seat (1.21) and a pinion (1.22);
the speed reducer mounting seat (1.3), the first mounting seat (1.16), the second mounting seat (1.17) and the sensor mounting seat (1.21) are mounted on the auxiliary fastening mechanism (4), the speed reducer (1.2), the tension block (1.4) and the first synchronous belt pulley (1.5) are mounted on the speed reducer mounting seat (1.3), the servo motor (1.1) is mounted on the speed reducer (1.2), the first belt bearing (1.12) and the second belt bearing (1.13) are mounted on the first mounting seat (1.16), the first transmission shaft (1.10) is mounted between the first belt bearing (1.12) and the second belt bearing (1.13), the first synchronous belt pulley (1.5) is mounted on the first mounting seat (1.2), the second synchronous belt pulley (1.6) is mounted on the first transmission shaft (1.10), the first pressing plate (1.7) and the second pressing plate (1.8) are used for fixing the first synchronous belt pulley (1.5) and the second synchronous belt pulley (1.6), and the second synchronous belt pulley (1.6) are respectively mounted on the first synchronous belt pulley (1.7) and the second synchronous belt pulley (1.8); the torque sensor (1.20) is installed on the sensor installation seat (1.21), the first coupler (1.18) is installed between the torque sensor (1.20) and the first transmission shaft (1.10), the third bearing with the seat (1.14) and the fourth bearing with the seat (1.15) are installed on the second installation seat (1.17), the second transmission shaft (1.11) is installed between the third bearing with the seat (1.14) and the fourth bearing with the seat (1.15), the pinion (1.22) is installed on the second transmission shaft (1.11), and the second coupler (1.19) is installed between the torque sensor (1.20) and the second transmission shaft (1.11);
under the drive of a servo motor (1.1), power is transmitted to a tightening execution mechanism (2) sequentially through a speed reducer (1.2), a first synchronous belt wheel (1.5), a synchronous belt (1.9), a second synchronous belt wheel (1.6), a first transmission shaft (1.10), a second transmission shaft (1.11) and a pinion (1.22), and the torque monitoring function of the equipment is ensured.
3. The screw-thread conduction type automatic tightening combination equipment according to claim 2, wherein the tightening actuator (2) comprises a tightening tool sleeve (2.1), a tightening tool (2.2), a first fixing pin (2.3), a second fixing pin (2.4), a pressing cover plate (2.7), a ball bearing (2.8), a thrust needle bearing (2.10), a jacking sleeve (2.11), a gear bearing (2.12), a flange-integrated oil-free bushing (2.13), a gear mounting seat (2.14), a sheet metal limiting block (2.15), a connecting seat (2.16), a needle bearing (2.17) and a pin shaft (2.18);
the gear mounting seat (2.14) is mounted on the auxiliary fastening mechanism (4), the gear bearing (2.12), the flange integrated oilless bushing (2.13) and the metal plate limiting block (2.15) are mounted on the gear mounting seat (2.14), the tightening tool sleeve (2.1) is mounted on the gear bearing (2.12), the tightening tool (2.2) is mounted on the tightening tool sleeve (2.1), and the gear bearing (2.12) is meshed with the pinion (1.22); the flange-integrated oil-free bushing is characterized in that the jacking sleeve (2.11) penetrates through the flange-integrated oil-free bushing (2.13), the connecting seat (2.16) is sleeved on one end of the jacking sleeve (2.11) and penetrates through a groove above the metal plate limiting (2.15) block, a clamping groove is formed in the connecting seat (2.16), and a needle bearing (2.17) is arranged in the clamping groove and fixed through a pin shaft (2.18); a boss is arranged at a position, away from the end face, of the other end of the jacking sleeve (2.11), a thrust needle roller bearing (2.10) is sleeved on the boss, a ball bearing (2.8) is sleeved at the other end of the jacking sleeve (2.11), and a pressing cover plate (2.7) is sleeved on the ball bearing (2.8); the first fixing pin (2.3) and the second fixing pin (2.4) are arranged between the tightening tool (2.2) and the tightening tool sleeve (2.1) and used for fixing the tightening tool (2.2) and quickly replacing the tightening tool sleeve (2.1), and the first fixing pin and the second fixing pin are compatible with a workpiece in a thread combination mode; hold-down mechanism (3) support and compress tightly apron (2.7) behind needle bearing (2.17) and compress tightly the work piece terminal surface, when the power conduction of power unit (1) was to gear bearing (2.12) of screwing up actuating mechanism (2), gear bearing (2.12), screw up frock cover (2.1), screw up frock (2.2), compress tightly apron (2.7) and follow and revolve, top tight sleeve (2.11), connecting seat (2.16), needle bearing (2.17), round pin axle (2.18) do not follow and revolve, realize automatic tightening function from this.
4. The thread conduction type automatic screwing combination equipment according to claim 3, wherein the screwing execution mechanism (2) further comprises a first O-shaped ring (2.5) and a second O-shaped ring (2.6) which are installed on the screwing tool (2.2) and are used for realizing that the position of a workpiece has a certain floating amount in the circumferential direction after the external thread of the non-combination end surface of the workpiece is combined with the screwing tool (2.2).
5. The thread-conducting automatic screwing combination device according to claim 3, wherein the actuator (2) further comprises a C-shaped hole snap ring (2.9) sleeved on a boss of the jacking sleeve (2.11) for fixing the end face of the thrust needle roller bearing (2.10).
6. The thread-conduction automatic-tightening joint apparatus according to claim 3, wherein the pressing mechanism (3) includes a wedge (3.1), a first cylinder (3.2), a first guide rail (3.3), a first slider (3.4), a wedge mount (3.5);
the first cylinder (3.2) and the first guide rail (3.3) are installed on the wedge block installation seat (3.5), the first sliding block (3.4) is installed on the first guide rail (3.3), the wedge block (3.1) is installed on the first sliding block (3.4) and is connected with the tail end of the first cylinder (3.2), the first cylinder (3.2) pushes out the wedge block (3.1) before the equipment screws a workpiece, and the protruding portion of the wedge block (3.1) abuts against the needle bearing (2.17), so that the pressing cover plate (2.7) is guaranteed to press the end face of the workpiece.
7. The thread-conducting automatic tightening joint apparatus according to claim 6, wherein the auxiliary fastening mechanism (4) comprises a mechanism mounting base plate (4.1), an oil pressure buffer (4.2), a buffer mounting block (4.3), a second cylinder (4.4), a cylinder mounting block (4.5), a second guide rail (4.6), a second slider (4.7), a third slider (4.8), a third guide rail (4.9), a fourth slider (4.10), a fifth slider (4.11);
the second guide rail (4.6) and the third guide rail (4.9) are arranged on the welding bracket (5) in parallel, the second sliding block (4.7) and the third sliding block (4.8) are arranged on the second guide rail (4.6), the fourth sliding block (4.10) and the fifth sliding block (4.11) are arranged on the third guide rail (4.9), and the mechanism mounting base plate (4.1) is arranged on the sliding blocks on the second guide rail (4.6) and the third guide rail (4.9) and can slide along the guide rails; the second cylinder (4.4) is installed on the mechanism installation bottom plate (4.1) through a cylinder installation block (4.5), and the driving mechanism installation bottom plate (4.1) slides along the guide rail; the hydraulic buffer (4.2) is arranged on the welding bracket (5) through a buffer mounting block (4.3) and is used for providing buffer force for the movement of the mechanism mounting base plate (4.1) and limiting; the speed reducer mounting seat (1.3), the first mounting seat (1.16), the second mounting seat (1.13), the sensor mounting seat (1.21), the gear mounting seat (2.14) and the wedge block mounting seat (3.5) are mounted on the mechanism mounting base plate (4.1), the mechanism mounting base plate (4.1) moves to provide pressure for the power mechanism (1), the screwing execution mechanism (2) and the pressing mechanism (3) above the mechanism mounting base plate to move towards the workpiece direction, and the function of automatic thread checking is achieved in an auxiliary mode.
8. The thread-conduction automatic tightening coupling method based on the device of any one of claims 1 to 7, characterized by comprising the steps of:
step 1, a first cylinder (3.2) of a pressing mechanism (3) pushes out a wedge block (3.1), and a protruding part of the wedge block (3.1) props against a needle bearing (2.17), so that a pressing cover plate (2.7) in a screwing executing mechanism (2) is fixed;
step 2, the auxiliary fastening mechanism (4) pushes out the power mechanism (1), the screwing execution mechanism (2) and the pressing mechanism (3) above, so that a screwing tool (2.2) of the screwing execution mechanism (2) is in contact with an external thread at the tail end of a workpiece;
step 3, the power mechanism (1) provides power to enable a gear bearing (2.12) of the tightening executing mechanism (2) to rotate, the gear bearing (2.12) drives the tightening tool (2.2) to be fastened and screwed with an external thread at the tail end of a workpiece, and the end face of the workpiece is in contact with a pressing cover plate (2.7) in the tightening executing mechanism (2);
step 4, when a torque sensor (1.20) of the power mechanism (2) monitors that the torque reaches a set torque, the tightening work is judged to be completed, and a first cylinder (3.2) of the pressing mechanism (3) drives a wedge block (3.1) to retract, so that a pressing cover plate (2.7) in the tightening executing mechanism is separated from the end face of the workpiece;
and 5, the auxiliary fastening mechanism (4) pulls back the power mechanism (1), the screwing executing mechanism (2) and the pressing mechanism (3) above the auxiliary fastening mechanism, so that the screwing tool (2.2) of the screwing executing mechanism (2) is separated from the tail end of the workpiece to be in contact with the tail end of the workpiece, and the equipment is reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210840966.0A CN115179026B (en) | 2022-07-18 | 2022-07-18 | Automatic screw-down combination equipment of screw thread conduction type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210840966.0A CN115179026B (en) | 2022-07-18 | 2022-07-18 | Automatic screw-down combination equipment of screw thread conduction type |
Publications (2)
| Publication Number | Publication Date |
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| CN115179026A true CN115179026A (en) | 2022-10-14 |
| CN115179026B CN115179026B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210840966.0A Active CN115179026B (en) | 2022-07-18 | 2022-07-18 | Automatic screw-down combination equipment of screw thread conduction type |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH647971A5 (en) * | 1979-10-31 | 1985-02-28 | Robel Georg Gmbh & Co | Single- or multi-spindle screwing machine for screwing nuts and screws into place and for releasing nuts and screws, in particular rail fasteners |
| DE10023857A1 (en) * | 2000-05-16 | 2001-11-29 | Johannes Luebbering Ag Baar | Screw driver has angled head containing a power transmission gear and flat power take-off, drive or guide shaft, cog wheels and bearings |
| CN103522061A (en) * | 2012-07-01 | 2014-01-22 | 广东工业大学 | Machine tool integrating breaking and fixed-torque bolt screwing |
| CN204308536U (en) * | 2014-11-24 | 2015-05-06 | 广州信邦汽车装备制造有限公司 | A kind of automatic thread device for screwing up |
| CN114425691A (en) * | 2021-12-10 | 2022-05-03 | 中国船舶重工集团公司第七一六研究所 | Cylindrical threaded connection workpiece screwing device and method |
-
2022
- 2022-07-18 CN CN202210840966.0A patent/CN115179026B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH647971A5 (en) * | 1979-10-31 | 1985-02-28 | Robel Georg Gmbh & Co | Single- or multi-spindle screwing machine for screwing nuts and screws into place and for releasing nuts and screws, in particular rail fasteners |
| DE10023857A1 (en) * | 2000-05-16 | 2001-11-29 | Johannes Luebbering Ag Baar | Screw driver has angled head containing a power transmission gear and flat power take-off, drive or guide shaft, cog wheels and bearings |
| CN103522061A (en) * | 2012-07-01 | 2014-01-22 | 广东工业大学 | Machine tool integrating breaking and fixed-torque bolt screwing |
| CN204308536U (en) * | 2014-11-24 | 2015-05-06 | 广州信邦汽车装备制造有限公司 | A kind of automatic thread device for screwing up |
| CN114425691A (en) * | 2021-12-10 | 2022-05-03 | 中国船舶重工集团公司第七一六研究所 | Cylindrical threaded connection workpiece screwing device and method |
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| Publication number | Publication date |
|---|---|
| CN115179026B (en) | 2023-07-18 |
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Address after: 222001 No.18 Shenghu Road, Lianyungang City, Jiangsu Province Patentee after: The 716th Research Institute of China Shipbuilding Corp. Patentee after: JIANGSU JARI TECHNOLOGY GROUP Co.,Ltd. Patentee after: China Shipbuilding Digital Information Technology Co.,Ltd. Address before: 222001 No.18 Shenghu Road, Lianyungang City, Jiangsu Province Patentee before: The 716th Research Institute of China Shipbuilding Corp. Patentee before: JIANGSU JARI TECHNOLOGY GROUP Co.,Ltd. Patentee before: CSIC Information Technology Co.,Ltd. |
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