CN116944766B - High-precision welding pin mechanism - Google Patents
High-precision welding pin mechanism Download PDFInfo
- Publication number
- CN116944766B CN116944766B CN202311204555.3A CN202311204555A CN116944766B CN 116944766 B CN116944766 B CN 116944766B CN 202311204555 A CN202311204555 A CN 202311204555A CN 116944766 B CN116944766 B CN 116944766B
- Authority
- CN
- China
- Prior art keywords
- welding
- pressure
- servo motor
- welding head
- setting module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 218
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000006073 displacement reaction Methods 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000005265 energy consumption Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention relates to the technical field of welding and discloses a high-precision welding pin mechanism which comprises a fixed bottom plate, a moving fixed plate and a welding head, wherein the moving fixed plate is slidably arranged on the surface of the fixed bottom plate, a welding pin is arranged in the welding head, the welding head is arranged in the moving fixed plate, a servo motor is fixedly arranged on the upper surface of the fixed bottom plate, a ball screw is arranged in the fixed bottom plate, and the high-precision welding pin mechanism is beneficial to improving the welding precision of a product by the combined design of the fixed bottom plate, the ball screw and a connecting seat and the moving fixed plate and the combined design of a pre-pressure adjusting screw, a pressure spring, a pressure transmitting device, the welding head and the servo motor.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a high-precision welding needle mechanism.
Background
Welding is a manufacturing process that joins metals or other thermoplastic materials by heat, high temperature or high pressure, and pin welding is one type of product welding.
The existing welding needle mechanism is directly connected with a welding head by adopting an air cylinder or a screw rod, the welding pressure is adjusted by controlling air pressure or servo pressure, the problem that the air source pressure is unstable can exist by controlling the air pressure in the air cylinder to adjust the welding pressure, the welding pressure can be directly influenced, the downward movement of the welding needle mechanism is controlled by a traditional servo motor, the downward movement speed impact of the welding needle can also directly influence the welding pressure, and then the welding precision of a product can be influenced.
Disclosure of Invention
In order to solve the problems that the welding pressure of a welding needle and a product can be directly influenced by controlling the air pressure or the servo pressure to adjust the welding pressure in the prior art by adopting an air cylinder or a screw rod to be directly connected with a welding head, and the welding precision of the product can be further influenced, the invention is realized by the following technical scheme: the high-precision welding pin mechanism comprises a fixed bottom plate, a moving fixed plate and a welding head, wherein the moving fixed plate is slidably arranged on the surface of the fixed bottom plate, the moving fixed plate slides on the fixed bottom plate to control the welding head to move in the Z direction, a welding pin is arranged in the welding head, the welding head is arranged in the moving fixed plate, a servo motor is fixedly arranged on the upper surface of the fixed bottom plate, a coupler is arranged at the output end of the servo motor, a ball screw is arranged in the fixed bottom plate, one end of the coupler, far away from the servo motor, is connected with the ball screw, the ball screw is driven by the servo motor, a fixed seat is rotatably arranged on the surface of the ball screw, the fixed seat is fixedly arranged on the inner wall of the fixed bottom plate, a connecting seat is assembled on the surface of the ball screw, a nut is arranged in the connecting seat, a ball matched with the ball screw is arranged in the connecting seat, and the connecting seat is driven to do linear motion when the ball screw rotates, and the connecting seat is fixedly connected with the moving fixed plate;
the inside slidable mounting of motion fixed plate has the pressure transmitter fixed plate, the upper surface fixed mounting of pressure transmitter fixed plate has the pressure transmitter device, the bonding tool is located the inside of motion fixed plate, and with the synchronous linkage of pressure transmitter fixed plate on the Z axle, the pressure transmitter device is pressure sensor for detect the welding of bonding tool inside when welding to the product, the pressure when welding needle and the product contact, the upper surface mounting of pressure transmitter device has pressure spring for precompact pressure transmitter device, pressure spring's upper end is connected with precompact pressure adjusting screw, precompact pressure adjusting screw threaded connection is in the upper surface of motion fixed plate for adjust pressure spring precompact pressure transmitter device's precompact pressure, be electric signal connection between the pressure transmitter device with the servo motor.
Further, the side of fixed bottom plate is equipped with linear guide, the fixed surface mounting of motion fixed plate has the guide block, guide block slidable mounting is in linear guide's surface, guide block and linear guide for the Z to remove of motion fixed plate.
Further, a vacuum generator is slidably arranged in the moving fixing plate, the vacuum generator is a vacuum component for generating negative pressure by utilizing a positive pressure air source, the vacuum generator is composed of an air supply port, an air exhaust port and a vacuum port, a vacuum pipeline is arranged in the welding head, and the vacuum pipeline is in sealing connection with the vacuum port of the vacuum generator; a welding needle is arranged in a vacuum pipeline in the welding head, and the welding needle is sucked by a vacuum generator;
the upper surface of the vacuum generator is fixedly connected with the lower surface of the pressure transmitter fixing plate, and pressure generated when the welding needle is contacted with a welding product is transmitted to the pressure transmitter device through the vacuum generator.
Further, the inside slidable mounting of motion fixed plate has the transducer fixed plate, the transducer fixed plate with vacuum generator fixed connection, the surface mounting of transducer fixed plate has the transducer spare, and the transducer spare is ultrasonic transducer, and the transducer spare converts the electric output of power into vibration output, the upper end fixed mounting of bonding tool in the lower surface of transducer spare, the vibration output of transducer spare drives the bonding tool vibration, makes the bonding tool have certain amplitude.
Further, the inside rotation of guide block installs the guide roll, the guide roll with linear guide rail looks adaptation, the guide roll is installed through crossing roller bearing rotation the inside of guide block, crossing roller bearing is the bearing that the inner circle was cut apart, outer lane is rotatory, in crossing roller bearing, cylindrical rollers are mutually perpendicular by the interval retainer arranges, a crossing roller bearing can bear the load of all directions such as radial load, axial load and moment load, can improve guide roll pivoted stability, and then improves the direction stability of guide block.
Furthermore, the inner wall of the fixed bottom plate is fixedly provided with a grating ruler, the grating ruler is a measurement feedback device working by utilizing the optical principle of a grating and can be used for detecting linear displacement or angular displacement, the grating ruler is positioned on the side face of the welding head in the moving direction and used for detecting the moving displacement of the welding head, when the welding head is in contact with a product, the numerical value of the grating ruler is an origin at the moment, and the grating ruler is in electrical signal connection with the servo motor.
Further, the welding control system is also included, the welding control system controls the welding process of the welding needle mechanism, and the welding control system comprises:
the pressure feedback module is used for receiving the pressure signal of the pressure transmitting device, setting the pressure signal into a pressure value range in the pressure feedback module, sending a forward rotation signal or a reverse rotation signal to the servo motor according to the received pressure signal, enabling the servo motor to be in a forward rotation state, enabling the welding head to move downwards, enabling the servo motor to be in a reverse rotation state, enabling the welding head to move upwards, enabling the pressure signal detected by the pressure transmitting device to send a reverse rotation signal to the servo motor when the pressure signal detected by the pressure transmitting device exceeds a maximum threshold value of the pressure value range set in the pressure feedback module, enabling the pressure feedback module to send a forward rotation signal to the servo motor when the pressure signal detected by the pressure transmitting device is smaller than a minimum threshold value of the pressure value range set in the pressure feedback module, and enabling the pressure feedback module to send no forward rotation signal to the servo motor when the servo motor is in the forward rotation state;
the displacement setting module is used for setting the Z-direction displacement of the welding head, the original point value of the grating ruler is zero displacement of the displacement setting module, and when the value of the grating ruler reaches the set displacement of the displacement setting module, the displacement setting module sends a stop signal to the servo motor, and the welding process of the welding needle is controlled by using the welding displacement of the welding head;
the energy setting module is used for setting the energy value of the energy conversion device, and when the energy consumption of the energy conversion device reaches the set energy value of the energy setting module, the energy setting module sends a stop signal to the servo motor, and the welding process of the welding needle is controlled by using the energy consumption of the energy conversion device.
Further, the welding control system further includes:
the time setting module is used for setting the welding time of the welding head, and when the welding time of the welding head reaches the set welding time of the time setting module, the time setting module sends a stop signal to the servo motor, and the welding process of the welding needle is controlled by using the welding time of the welding needle.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the high-precision welding pin mechanism, through the combined design of the fixed bottom plate, the ball screw, the connecting seat and the moving fixed plate and the combined design of the precompression adjusting screw, the pressure spring, the pressure transmitting device, the welding head and the servo motor, when the servo motor is used for controlling the welding head to move, the welding pressure between the welding pin and a welding product can be detected on line in real time, and the steering of the servo motor is controlled in real time through feedback, so that the welding pressure between the welding pin and the product is adjusted, the welding pressure is kept within a reasonable range, and the welding precision of the product is improved.
2. The high-precision welding pin mechanism can control the welding pin welding process in one or more of a displacement mode, an energy mode and a time mode through the combined design of a pressure feedback module, a pressure transmitting device and a servo motor, the combined design of a displacement setting module, a grating ruler and the servo motor, the combined design of an energy setting module, a transducer device and the servo motor and the combined design of a time setting module and the servo motor in a welding control system so as to meet the control process of welding pin welding under different process environments.
Drawings
FIG. 1 is a front elevational view of the structure of the welding pin mechanism of the present invention;
FIG. 2 is a rear view of the structure of the welding pin mechanism of the present invention;
FIG. 3 is a left side view of the structure of the welding pin mechanism of the present invention;
FIG. 4 is a right side view of the structure of the welding pin mechanism of the present invention;
FIG. 5 is a perspective view of the structure of the welding pin mechanism of the present invention;
FIG. 6 is a front view showing the internal structure of the soldering pin mechanism of the present invention;
FIG. 7 is a perspective view showing the internal structure of the welding pin mechanism of the present invention;
FIG. 8 is a flow chart of a welding control system of the present invention.
In the figure: 1. a fixed bottom plate; 11. a linear guide rail; 2. a servo motor; 21. a coupling; 22. a fixing seat; 23. a ball screw; 24. a connecting seat; 3. a motion fixing plate; 31. a guide block; 4. a vacuum generator; 5. welding head; 6. a transducer mounting plate; 61. a transducer member; 7. a pressure transmitter fixing plate; 8. a pressure transmitter; 81. a pressure spring; 82. a pre-pressure adjusting screw; 9. a crossed roller bearing; 10. and a grating ruler.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An embodiment of the high precision welding pin mechanism is as follows:
example 1: referring to fig. 1-7, a high-precision welding needle mechanism comprises a fixed bottom plate 1, a moving fixed plate 3 and a welding head 5, wherein the moving fixed plate 3 is slidably mounted on the surface of the fixed bottom plate 1, the moving fixed plate 3 slides on the fixed bottom plate 1 to control the welding head 5 to move in the Z direction, a linear guide rail 11 is arranged on the side edge of the fixed bottom plate 1, a guide block 31 is fixedly mounted on the surface of the moving fixed plate 3, the guide block 31 is slidably mounted on the surface of the linear guide rail 11, and the guide block 31 and the linear guide rail 11 are used for moving the moving fixed plate 3 in the Z direction.
The guide roller is rotatably mounted in the guide block 31 and is matched with the linear guide rail 11, the guide roller is rotatably mounted in the guide block 31 through the crossed roller bearing 9, the crossed roller bearing 9 is a bearing with an inner ring divided and an outer ring rotated, in the crossed roller bearing 9, cylindrical rollers are mutually vertically arranged through a spacer, and one crossed roller bearing 9 can bear loads in all directions such as radial load, axial load and moment load, so that the stability of the rotation of the guide roller can be improved, and the guide stability of the guide block 31 is further improved.
The welding needle is arranged in the welding head 5, the welding head 5 is arranged in the moving fixing plate 3, the servo motor 2 is fixedly arranged on the upper surface of the fixing base plate 1, the coupler 21 is arranged at the output end of the servo motor 2, the ball screw 23 is arranged in the fixing base plate 1, one end of the coupler 21, which is far away from the servo motor 2, is connected with the ball screw 23, the ball screw 23 is driven by the servo motor 2, the fixing base 22 is rotatably arranged on the surface of the ball screw 23, the fixing base 22 is fixedly arranged on the inner wall of the fixing base plate 1, the connecting seat 24 is a nut, a ball matched with the ball screw 23 is arranged in the connecting seat 24, and when the ball screw 23 rotates, the connecting seat 24 is driven to do linear motion, and the connecting seat 24 is fixedly connected with the moving fixing plate 3.
The inside slidable mounting of motion fixed plate 3 has pressure transmitter fixed plate 7, the upper surface fixed mounting of pressure transmitter fixed plate 7 has pressure transmitter device 8, bonding tool 5 is located the inside of motion fixed plate 3, and with the synchronous linkage of pressure transmitter fixed plate 7 on the Z axle, pressure transmitter device 8 is pressure sensor, be used for detecting the welding of bonding tool 5 inside when welding to the product, the pressure when welding needle and the product contact, pressure transmitter device 8's upper surface mounting has pressure spring 81, be used for carrying out precompaction to pressure transmitter device 8, pressure spring 81's upper end is connected with precompaction adjusting screw 82, precompaction adjusting screw 82 threaded connection is at the upper surface of motion fixed plate 3, be used for adjusting pressure spring 81 to pressure transmitter device 8's precompaction, be electric signal connection between pressure transmitter device 8 and servo motor 2.
The vacuum generator 4 is slidably arranged in the moving fixed plate 3, the vacuum generator 4 is a vacuum component for generating negative pressure by utilizing a positive pressure air source, the vacuum generator 4 consists of an air supply port, an air exhaust port and a vacuum port, a vacuum pipeline is arranged in the welding head 5, and the vacuum pipeline is in sealing connection with the vacuum port of the vacuum generator 4; a welding needle is arranged in a vacuum pipeline in the welding head 5, and is sucked by the vacuum generator 4; the pressure generated when the upper surface of the vacuum generator 4 and the lower surface of the pressure transmitter fixing plate 7 are fixedly connected with the welding needle to be contacted with the welding product is transmitted to the pressure transmitter device 8 through the vacuum generator 4.
The inside slidable mounting of motion fixed plate 3 has transducer fixed plate 6, and transducer fixed plate 6 and vacuum generator 4 fixed connection, and transducer fixed plate 6's surface mounting has transducer spare 61, and transducer spare 61 is ultrasonic transducer, and transducer spare 61 converts the electricity output of power into vibration output, and the upper end fixed mounting of bonding tool 5 is at transducer spare 61's lower surface, and the vibration output of transducer spare 61 drives bonding tool 5 vibration, makes bonding tool 5 have certain amplitude.
The inner wall of the fixed bottom plate 1 is fixedly provided with a grating ruler 10, the grating ruler 10 is a measurement feedback device working by utilizing the optical principle of a grating, the grating ruler 10 can be used for detecting linear displacement or angular displacement, the grating ruler 10 is positioned on the side surface of the welding head 5 in the moving direction and used for detecting the moving displacement of the welding head 5, when the welding head 5 is contacted with a product, the numerical value of the grating ruler 10 is an origin, and the grating ruler 10 is in electrical signal connection with the servo motor 2.
Example 2: referring to fig. 1-8, a high precision welding pin mechanism includes a fixed bottom plate 1, a moving fixed plate 3 and a welding head 5, wherein the moving fixed plate 3 is slidably mounted on the surface of the fixed bottom plate 1, the moving fixed plate 3 slides on the fixed bottom plate 1 to control the welding head 5 to move in the Z direction, a welding pin is mounted in the welding head 5, the welding head 5 is mounted in the moving fixed plate 3, a servo motor 2 is fixedly mounted on the upper surface of the fixed bottom plate 1, a coupler 21 is mounted at the output end of the servo motor 2, a ball screw 23 is arranged in the fixed bottom plate 1, one end of the coupler 21 away from the servo motor 2 is connected with the ball screw 23, the ball screw 23 is driven by the servo motor 2, a fixing seat 22 is rotatably mounted on the surface of the ball screw 23, the fixing seat 22 is fixedly mounted on the inner wall of the fixed bottom plate 1, a connecting seat 24 is mounted on the surface of the ball screw 23, the connecting seat 24 is a nut, a ball matched with the ball screw 23 is arranged in the inside of the connecting seat 24, and when the ball screw 23 rotates, the connecting seat 24 is driven to move in a straight line, and the connecting seat 24 is fixedly connected with the moving fixed plate 3.
The inside slidable mounting of motion fixed plate 3 has pressure transmitter fixed plate 7, the upper surface fixed mounting of pressure transmitter fixed plate 7 has pressure transmitter device 8, bonding tool 5 is located the inside of motion fixed plate 3, and with the synchronous linkage of pressure transmitter fixed plate 7 on the Z axle, pressure transmitter device 8 is pressure sensor, be used for detecting the welding of bonding tool 5 inside when welding to the product, the pressure when welding needle and the product contact, pressure transmitter device 8's upper surface mounting has pressure spring 81, be used for carrying out precompaction to pressure transmitter device 8, pressure spring 81's upper end is connected with precompaction adjusting screw 82, precompaction adjusting screw 82 threaded connection is at the upper surface of motion fixed plate 3, be used for adjusting pressure spring 81 to pressure transmitter device 8's precompaction, be electric signal connection between pressure transmitter device 8 and servo motor 2.
The inner wall of the fixed bottom plate 1 is fixedly provided with a grating ruler 10, the grating ruler 10 is a measurement feedback device working by utilizing the optical principle of a grating, the grating ruler 10 can be used for detecting linear displacement or angular displacement, the grating ruler 10 is positioned on the side surface of the welding head 5 in the moving direction and used for detecting the moving displacement of the welding head 5, when the welding head 5 is contacted with a product, the numerical value of the grating ruler 10 is an origin, and the grating ruler 10 is in electrical signal connection with the servo motor 2.
The welding control system is used for controlling the welding process of the welding needle mechanism, and the welding control system comprises a pressure feedback module, a displacement setting module, an energy setting module and a time setting module.
The pressure feedback module is used for receiving the pressure signal of the pressure transmitting device 8, the pressure feedback module is set to a pressure value range, the pressure feedback module sends forward rotation or reverse rotation signals to the servo motor 2 according to the received pressure signal, the servo motor 2 is in a forward rotation state, the welding head 5 moves downwards, the servo motor 2 is in a reverse rotation state, the welding head 5 moves upwards, when the pressure signal detected by the pressure transmitting device 8 exceeds the maximum threshold value of the pressure value range set in the pressure feedback module, the pressure feedback module sends reverse rotation signals to the servo motor 2, when the pressure signal detected by the pressure transmitting device 8 is smaller than the minimum threshold value of the pressure value range set in the pressure feedback module, the pressure feedback module sends forward rotation signals to the servo motor 2, and when the servo motor 2 is in a forward rotation state, the pressure feedback module does not send forward rotation signals any more.
The displacement setting module is used for setting Z-direction displacement of the welding head 5, the original point value of the grating ruler 10 is zero point displacement of the displacement setting module, and when the value of the grating ruler 10 reaches the set displacement of the displacement setting module, the displacement setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is controlled by utilizing the welding displacement of the welding head 5.
The energy setting module is used for setting the energy value of the energy conversion device 61, and when the energy consumption of the energy conversion device 61 reaches the set energy value of the energy setting module, the energy setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is controlled by using the energy consumption of the energy conversion device 61.
The time setting module is used for setting the welding time of the welding head 5, and when the welding time of the welding head 5 reaches the welding time set by the time setting module, the time setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is controlled by using the welding time of the welding needle.
The working principle of the high-precision welding needle mechanism is as follows:
firstly, a welding needle or a needle seat of the welding needle is inserted into a vacuum channel of a welding head 5, a vacuum generator 4 is started, the welding needle is fixed in the welding head 5 by utilizing negative pressure generated by the vacuum generator 4, then a servo motor 2 is started, the servo motor 2 drives a ball screw 23 to rotate through a coupler 21, the ball screw 23 is matched with balls in a connecting seat 24, the connecting seat 24 is driven to do linear motion, the connecting seat 24 drives a motion fixing plate 3 to move, and the motion fixing plate 3 drives the welding head 5 to move in the Z direction.
The welding head 5 drives the welding needle to move downwards until contacting with a product to be welded, the energy conversion element 61 is started, the energy conversion element 61 converts electric energy into vibration mechanical energy and drives the welding head 5 to vibrate, and the welding head 5 welds the product through welding.
When the welding needle welds a product, a welding pressure exists between the welding needle and the product, the welding pressure can be transmitted to the pressure transmitting device 8 through the welding head 5, the energy converter piece 61 and the vacuum generator 4, the pressure spring 81 can change the pressure of the pressure transmitting device 8, the pressure transmitting device 8 indirectly detects the welding pressure when the welding needle contacts the product through the change of the surface pressure of the pressure transmitting device, the detected pressure signal is transmitted to the pressure feedback module, the pressure feedback module sends a forward rotation signal or a reverse rotation signal to the servo motor 2 according to the received pressure signal so as to control the servo motor 2 to be in a forward rotation state, the welding head 5 moves downwards, the servo motor 2 is in a reverse rotation state, and the welding head 5 moves upwards, so that the welding pressure when the welding head 5 contacts the product is adjusted.
Controlling the welding process of the welding needle through welding displacement: when the welding needle at the lower end of the welding head 5 is just contacted with a product, the numerical value of the grating ruler 10 is the origin, the welding needle starts to weld the product, the grating ruler 10 detects the movement displacement of the welding head 5 along with the downward movement of the welding head 5, when the movement displacement of the welding head 5 reaches the set displacement of the displacement setting module, the displacement setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is finished.
The welding process of the welding needle is controlled by the energy consumption of the transducer element 61: when the energy conversion device 61 is started, the energy consumption starts, and when the energy consumption of the energy conversion device 61 reaches the energy value set by the energy setting module, the energy setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is finished.
Controlling the welding process of the welding needle through welding time: when the welding of the welding needle is started, the time setting module starts timing, and when the welding time reaches the welding duration set by the time setting module, the time setting module sends a stop signal to the servo motor 2, and the welding process of the welding needle is ended.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a high accuracy welding needle mechanism, includes fixed baseplate (1), motion fixed plate (3) and bonding tool (5), motion fixed plate (3) slidable mounting is in the surface of fixed baseplate (1), bonding tool (5) are installed the inside of motion fixed plate (3), the internally mounted of bonding tool (5) has the welding needle, its characterized in that: the servo motor (2) is fixedly arranged on the upper surface of the fixed bottom plate (1), a ball screw (23) is arranged in the fixed bottom plate (1), the ball screw (23) is driven by the servo motor (2), a connecting seat (24) is assembled on the surface of the ball screw (23), and the connecting seat (24) is fixedly connected with the moving fixed plate (3);
the pressure transmitter fixing plate (7) is slidably mounted in the motion fixing plate (3), a pressure transmitter device (8) is fixedly mounted on the upper surface of the pressure transmitter fixing plate (7), the welding head (5) is located in the motion fixing plate (3) and synchronously linked with the pressure transmitter fixing plate (7) on the Z axis, a pressure spring (81) is mounted on the upper surface of the pressure transmitter device (8), a precompression adjusting screw (82) is connected to the upper end of the pressure spring (81), the precompression adjusting screw (82) is in threaded connection with the upper surface of the motion fixing plate (3), and the pressure transmitter device (8) is in electric signal connection with the servo motor (2);
the inside of the motion fixing plate (3) is slidably provided with a vacuum generator (4), the vacuum generator (4) is composed of an air supply port, an air exhaust port and a vacuum port, a vacuum pipeline is arranged in the welding head (5), and the vacuum pipeline is in sealing connection with the vacuum port of the vacuum generator (4); a welding needle is arranged in a vacuum pipeline inside the welding head (5);
the upper surface of the vacuum generator (4) is fixedly connected with the lower surface of the pressure transmitter fixing plate (7);
the inside of the motion fixing plate (3) is slidably provided with a transducer fixing plate (6), the transducer fixing plate (6) is fixedly connected with the vacuum generator (4), the surface of the transducer fixing plate (6) is fixedly provided with a transducer piece (61), and the upper end of the welding head (5) is fixedly arranged on the lower surface of the transducer piece (61);
the inner wall of the fixed bottom plate (1) is fixedly provided with a grating ruler (10), the grating ruler (10) is positioned on the side surface of the welding head (5) in the moving direction and is used for detecting the moving displacement of the welding head (5), when the welding head (5) is in contact with a product, the numerical value of the grating ruler (10) is an origin, and the grating ruler (10) is in electrical signal connection with the servo motor (2);
also included is a welding control system, the interior of which includes:
the pressure feedback module is used for receiving the pressure signal of the pressure transmitting device (8), and sending a forward rotation signal or a reverse rotation signal to the servo motor (2) according to the received pressure signal;
the displacement setting module is used for setting Z-direction displacement of the welding head (5), the original point value of the grating ruler (10) is zero displacement of the displacement setting module, and when the value of the grating ruler (10) reaches the set displacement of the displacement setting module, the displacement setting module sends a stop signal to the servo motor (2) and controls the welding process of a welding needle by utilizing the welding displacement of the welding head (5);
the energy setting module is used for setting the energy value of the energy conversion device (61), and when the energy consumption of the energy conversion device (61) reaches the set energy value of the energy setting module, the energy setting module sends a stop signal to the servo motor (2);
the time setting module is used for setting the welding time of the welding head (5), and when the welding time of the welding head (5) reaches the set welding time of the time setting module, the time setting module sends a stop signal to the servo motor (2).
2. The high-precision welding pin mechanism according to claim 1, wherein a linear guide rail (11) is arranged on the side edge of the fixed bottom plate (1), a guide block (31) is fixedly arranged on the surface of the moving fixed plate (3), and the guide block (31) is slidably arranged on the surface of the linear guide rail (11).
3. The high-precision welding pin mechanism according to claim 2, wherein a guide roller is rotatably mounted inside the guide block (31), the guide roller is matched with the linear guide rail (11), and the guide roller is rotatably mounted inside the guide block (31) through a crossed roller bearing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311204555.3A CN116944766B (en) | 2023-09-19 | 2023-09-19 | High-precision welding pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311204555.3A CN116944766B (en) | 2023-09-19 | 2023-09-19 | High-precision welding pin mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116944766A CN116944766A (en) | 2023-10-27 |
| CN116944766B true CN116944766B (en) | 2024-03-29 |
Family
ID=88454885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311204555.3A Active CN116944766B (en) | 2023-09-19 | 2023-09-19 | High-precision welding pin mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116944766B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015402A (en) * | 2017-12-29 | 2018-05-11 | 深圳市百耐信科技有限公司 | A kind of welding head structure and welding head device |
| CN208033908U (en) * | 2018-03-28 | 2018-11-02 | 深圳市百耐信科技有限公司 | A kind of electrical servo soldering tip |
| CN208628648U (en) * | 2018-07-05 | 2019-03-22 | 浙江雷胜自动化有限公司 | A kind of pressure controllable weld assembly |
| CN112872572A (en) * | 2021-03-17 | 2021-06-01 | 深圳市百耐信科技有限公司 | Welding head device capable of rotating spot welding |
| CN113997573A (en) * | 2021-10-29 | 2022-02-01 | 杭州海纳机械有限公司 | Mechanical welding device with ultrasonic welding head and using method thereof |
| CN115071141A (en) * | 2022-06-13 | 2022-09-20 | 上海峥集智能科技有限公司 | Digital ultrasonic plastic welding machine |
| CN115647557A (en) * | 2022-11-01 | 2023-01-31 | 武汉理工大学 | Ultrasonic auxiliary welding equipment and method capable of accurately applying pressure |
-
2023
- 2023-09-19 CN CN202311204555.3A patent/CN116944766B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015402A (en) * | 2017-12-29 | 2018-05-11 | 深圳市百耐信科技有限公司 | A kind of welding head structure and welding head device |
| CN208033908U (en) * | 2018-03-28 | 2018-11-02 | 深圳市百耐信科技有限公司 | A kind of electrical servo soldering tip |
| CN208628648U (en) * | 2018-07-05 | 2019-03-22 | 浙江雷胜自动化有限公司 | A kind of pressure controllable weld assembly |
| CN112872572A (en) * | 2021-03-17 | 2021-06-01 | 深圳市百耐信科技有限公司 | Welding head device capable of rotating spot welding |
| CN113997573A (en) * | 2021-10-29 | 2022-02-01 | 杭州海纳机械有限公司 | Mechanical welding device with ultrasonic welding head and using method thereof |
| CN115071141A (en) * | 2022-06-13 | 2022-09-20 | 上海峥集智能科技有限公司 | Digital ultrasonic plastic welding machine |
| CN115647557A (en) * | 2022-11-01 | 2023-01-31 | 武汉理工大学 | Ultrasonic auxiliary welding equipment and method capable of accurately applying pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116944766A (en) | 2023-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103170767B (en) | Welding robot control method | |
| CN108436343B (en) | Multifunctional industrial robot for intelligent manufacturing automatic production line | |
| CN102756346B (en) | Holder for macroscopic motion and microscopic motion high-precision butting and control method of holder | |
| CN116944766B (en) | High-precision welding pin mechanism | |
| CN201848648U (en) | Automatic focusing laser machining system | |
| CN2843709Y (en) | Automatic profiling device of gantry welder | |
| CN112965016B (en) | Measuring device and measuring method for measuring output characteristics of proportional electromagnet | |
| CN201189593Y (en) | Welding seam tracking device | |
| CN201543968U (en) | Automatic positioning and adjusting mechanism of focal length of laser for welding lithium ion battery | |
| CN209214555U (en) | High precision photoelectric sensor angles detection system | |
| CN215035934U (en) | Contact type one-way measuring device | |
| CN103575203A (en) | Plant leave thickness nondestructive measurement instrument with adjustable pre-pressure and measurement method | |
| CN212097576U (en) | Novel ultrasonic welding machine | |
| CN201528254U (en) | Single-shaft servo control device | |
| CN201432739Y (en) | Positioning mechanism used for combining automobile body | |
| CN205373620U (en) | Part size detection device based on pressure sensor and ethernet control | |
| CN113664389A (en) | Three-dimensional laser engraving system for marble processing | |
| CN202485847U (en) | Sudden-change force measurement device | |
| CN220388228U (en) | Servo clamp welding mechanism | |
| CN101195188A (en) | Soldering joint tracking apparatus | |
| CN205945381U (en) | Toothed belt electricity jar | |
| CN111185661A (en) | Friction plug rivet welding system based on PLC | |
| CN2705948Y (en) | Stepper motor absolute zero controller | |
| CN112082504B (en) | Deep hole inner wall geometric structure detection robot system based on line structure light detection method | |
| CN218505259U (en) | Ultrasonic welding device capable of being adjusted at multiple degrees of freedom |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |