CN115055952B - Automatic screw screwing device and screwing method for power device assembly - Google Patents
Automatic screw screwing device and screwing method for power device assembly Download PDFInfo
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- CN115055952B CN115055952B CN202210799682.1A CN202210799682A CN115055952B CN 115055952 B CN115055952 B CN 115055952B CN 202210799682 A CN202210799682 A CN 202210799682A CN 115055952 B CN115055952 B CN 115055952B
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Classifications
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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
- B23P19/001—Article feeders for assembling machines
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Abstract
The application relates to an automatic screw screwing device and a screwing method for power device assembly, wherein the automatic screw screwing device comprises a mounting frame, a screw screwing mechanism and a driving mechanism, wherein the screw screwing mechanism is arranged on the mounting frame and comprises a controller and a rotating piece which are connected, the controller is used for adjusting the rotation moment of the rotating piece, and a screw suction mechanism is arranged on the rotating piece; the driving mechanism is arranged on the mounting frame and connected with the screw tightening mechanism to drive the screw tightening mechanism to move in a preset direction. The driving mechanism drives the screw screwing mechanism to move to the screw position, the screw suction device sucks the screw, the driving mechanism drives the screw to the target position, the rotation of the rotating piece drives the screw to synchronously rotate, and the position and the rotation moment of the rotating piece are synchronously regulated through the driving mechanism and the controller in the screw rotation process, so that the reliability of screw screwing is ensured, unnecessary action waste in the screw assembly process is eliminated, and the production efficiency is improved.
Description
Technical Field
The application relates to the technical field of screw screwing tools, in particular to an automatic screw screwing device and method for power device assembly.
Background
The power device is used as an important component in the controller, and the stress on the power device in the assembly process is an important concern in the process flow, so that the power device has a critical influence on the reliability of the electronic product. At present, the assembly process of the IPM power device is generally divided into three steps of positioning, pre-tightening and locking, and specific numerical requirements are made on electric batch torque values in each step according to the actual assembly conditions of the IPM actual type, the radiator type, the assembly environment and the like.
During actual assembly production, the common mode mainly adopts three electric batches with calibrated torque values to respectively execute the three steps in sequence, namely, firstly, the electric batch calibrated according to the positioning torque values is used for executing positioning action, then, the electric batch calibrated according to the pre-tightening torque values is used for executing pre-tightening action, and finally, the electric batch calibrated according to the locking torque values is used for executing locking action. The screw locking process is frequent in batch taking and discharging actions, low in production efficiency and high in labor intensity.
Disclosure of Invention
The utility model aims at providing an automatic screw screwing device and screwing method for power device assembly, the device can ensure the reliability of screw screwing, eliminates unnecessary action waste in the screw assembly process, and improves production efficiency.
To this end, in a first aspect, embodiments of the present application provide an automatic screw-on device for power device assembly, the automatic screw-on device for power device assembly including:
a mounting frame;
the screw tightening mechanism is arranged on the mounting frame and comprises a controller and a rotating piece which are connected, the controller is used for adjusting the rotation moment of the rotating piece, and the rotating piece is provided with a screw suction mechanism; and
the driving mechanism is arranged on the mounting frame and connected with the screw tightening mechanism to drive the screw tightening mechanism to move in a preset direction.
In one possible implementation, the screw suction means comprise:
the seat body is internally provided with an air cavity, and the air cavity is connected with a vacuum source;
the suction nozzle is arranged on the base body and communicated with the air cavity so that the suction nozzle can suck the screw;
the screwdriver head is arranged in the suction nozzle and is used for being matched with the screw to compress and rotate the screw.
In one possible implementation, the method further includes:
and the air pressure detection device is used for detecting the air pressure value between the suction nozzle and the screw.
In one possible implementation, the screw tightening mechanism further includes an information collector for collecting a torque value of the screw.
In one possible implementation manner, the mounting frame is further provided with a feeding assembly, the feeding assembly comprises a feeder arranged on the mounting frame, and the feeder is provided with a feed inlet and a discharge outlet.
In one possible implementation, the method further includes:
the feeding frame is arranged at one side of the mounting frame;
the conveyor belt is arranged on the feeding frame, a first through hole is formed in the conveyor belt along the conveying direction of the conveyor belt, a power device is lapped on the first through hole, and a screw is used for assembling the power device.
In one possible implementation manner, the power device is provided with a pin, and the feeding frame is provided with:
the positioning plate is arranged above the conveyor belt, and a second through hole is formed in the position, corresponding to the pin, of the positioning plate in a penetrating manner; and
and the lifting device is used for driving the power device to move towards the direction approaching or separating from the second through hole.
In one possible implementation, the loading rack is further provided with an inductor.
In a second aspect, an embodiment of the present application provides a screwing method applied to the foregoing automatic screw screwing device for power device assembly, where the method includes:
controlling the screw suction mechanism to suck screws, and driving the screw suction mechanism to convey the screws to a preset position by the driving mechanism; and
the controller controls the rotating member according to a preset scheme to screw the screw into the power device.
In one possible implementation manner, the preset scheme includes: and controlling the rotating piece to intermittently work according to the first torque value, the second torque value and the third torque value respectively.
According to the automatic screw screwing device and the screw screwing method for power device assembly, the driving mechanism drives the screw screwing mechanism to move to the screw position and suck the screw through the screw suction device, the screw is driven to the target position through the driving mechanism again, then the rotation of the rotating piece drives the screw to synchronously rotate, and the position and the rotation moment of the rotating piece are synchronously regulated through the driving mechanism and the controller in the screw rotation process, so that the screw screwing reliability is guaranteed, unnecessary action waste in the screw assembly process is eliminated, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In addition, in the drawings, like parts are designated with like reference numerals and the drawings are not drawn to actual scale.
Fig. 1 shows a schematic structural diagram (a) of a screw automatic screwing device for power device assembly according to an embodiment of the present application;
fig. 2 shows a schematic structural diagram (ii) of a screw automatic screwing device for power device assembly according to an embodiment of the present application;
fig. 3 shows a partial enlarged view of the portion a in fig. 1.
Reference numerals illustrate:
1. a mounting frame; 2. a rotating member; 3. a first drive assembly; 4. a second drive assembly; 5. a third drive assembly; 6. a screw suction mechanism; 7. an information collector; 8. a feeder; 9. a feed inlet; 10. a discharge port; 11. a feeding frame; 12. a conveyor belt; 13. a power device; 14. pins; 15. a positioning plate; 16. a lifting device; 17. and a second through hole.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Fig. 1 shows a schematic structural diagram (one) of an automatic screw screwing device for power device assembly provided in an embodiment of the present application, fig. 2 shows a schematic structural diagram (two) of an automatic screw screwing device for power device assembly provided in an embodiment of the present application, and fig. 3 shows a partial enlarged view of a portion a in fig. 1.
As shown in fig. 1 to 3, the embodiment of the application provides an automatic screw screwing device for power device assembly, which comprises a mounting frame 1, a screw screwing structure and a driving mechanism, wherein the screw screwing structure comprises a controller and a rotating member 2 which are connected, the controller is used for adjusting the rotation moment of the rotating member 2, and a screw suction mechanism 6 is installed on the rotating member 2. The driving mechanism is also arranged on the mounting frame 1 and is connected with the screw tightening mechanism to drive the screw tightening mechanism to move in a preset direction.
When the screw is required to be screwed, the driving mechanism drives the screw screwing mechanism to move to the screw position, the screw is sucked through the screw suction device, the screw is driven to the target position through the driving mechanism again, then the rotation of the rotating piece 2 drives the screw to synchronously rotate, and the position and the rotation moment of the rotating piece 2 are synchronously regulated through the driving mechanism and the controller in the screw rotation process, so that the screw screwing reliability is ensured, unnecessary action waste in the screw assembly process is eliminated, the production efficiency is improved, the torque value of the rotating piece 2 is automatically regulated by the controller, the hidden troubles of manual misalignment or calibration error and the like are avoided, and the quality consistency is improved.
In some embodiments, the preset direction includes a first direction, a second direction and a third direction that are perpendicular to each other, where for convenience of description and understanding, the first direction is an X-axis direction, the second direction is a Y-axis direction perpendicular to the X-axis direction, and the third direction is a Z-axis direction perpendicular to both the X-axis direction and the Y-axis direction. Correspondingly, the driving mechanism comprises a first driving assembly 3 for driving the screw tightening mechanism to move in the X-axis direction, a second driving assembly 4 for driving the screw tightening mechanism to move in the Y-axis direction, and a third driving assembly 5 for driving the screw tightening mechanism to move in the Z-axis direction. The first drive assembly 3, the second drive assembly 4 and the third drive assembly 5 are illustratively identical in construction, being merely provided differently to effect movement of the drive screw tightening mechanism in different directions. Likewise, the first driving assembly 3, the second driving assembly 4 and the third driving assembly 5 may be any structure capable of implementing reciprocating movement in the prior art, including but not limited to a cylinder structure, a hydraulic cylinder structure, a sprocket chain, etc., which will not be described in detail in this embodiment.
Referring to fig. 1-3, in some embodiments, the screw tightening mechanism includes a controller and a rotating member 2 connected thereto, and further includes a connecting plate for connecting to a drive mechanism to effect movement of the drive mechanism to drive the screw tightening mechanism. The drive mechanism may also be directly connected to the rotary part 2, and the screw tightening mechanism may be driven. Optionally, the rotating member 2 includes a servo motor, and the controller may adjust a rotation moment of a screw connected to the servo motor by adjusting the rotation moment of the servo motor, thereby ensuring reliability in the screwing process of the screw. Optionally, the controller is electrically connected with the servo motor, and the controller is used for controlling the rotation moment of the servo motor, and specifically, the controller comprises a micro control unit to control the rotation moment of the servo motor.
Optionally, the screw tightening mechanism further includes an information collector 7, the information collector 7 is connected with the rotating member 2, and the information collector 7 is used for collecting a torque value of the screw so as to detect the assembly quality of the screw in real time. Specifically, the information collector 7 includes a photoelectric sensor mounted on a connection board.
In some embodiments, the screw suction mechanism 6 comprises a base, a suction nozzle and a screwdriver head, an air cavity is arranged in the base, the air cavity is connected with a vacuum source, the suction nozzle is arranged on the base, and the suction nozzle is communicated with the air cavity so that the suction nozzle can suck screws; the screwdriver head is arranged in the suction nozzle and is used for being matched with the screw to compress and rotate the screw; so the vacuum pressure that provides through the vacuum source plays the effect of absorbing to the screw, will criticize the head and be connected with the screw in order to realize that rotating member 2 will rotate effort can be through criticizing the head and act on the screw to realize the rotation of screw, and then realize the assembly of screw. It should be noted that the head needs to be directly or indirectly connected to the rotary member 2, so as to transmit the rotational force of the rotary member 2. Likewise, the screw sucking mechanism 6 may be a component which can suck and rotate screws in the prior art such as electric screwdriver.
In an alternative embodiment, the screw suction means 6 further comprise air pressure detecting means for detecting an air pressure value between the suction nozzle and the screw. When the screw is absorbed by the screw absorbing machine, the air pressure at the absorbing end of the suction nozzle can obviously drop, and if the suction nozzle can not absorb the screw in the actual absorbing process, the air pressure at the absorbing end can not obviously change; and then can be convenient for know the assembly condition of screw automatic screwing in-process through air pressure detection device.
Optionally, the screw suction mechanism 6 further includes an alarm in communication connection with the air pressure detection device, when the screw suction mechanism 6 sucks the screw, if the air pressure detection device detects that the air pressure at the suction end is greater than a preset value, the alarm gives out an alarm prompt, so that the working condition is known in real time by the staff, and the reliability of screw installation is improved to ensure the assembly quality.
Referring to fig. 1-3, in some embodiments, the mounting frame 1 is further provided with a feeding assembly, the feeding assembly includes a feeder 8 mounted on the mounting frame 1, and a feed inlet 9 and a discharge outlet 10 are formed in the feeder 8; so the technicians can put into the feeder 8 through feed inlet 9 with the screw, through the feeder 8 to its inside a large amount of screws carry out automatic arrangement after, the screw is discharged from discharge gate 10 in order, the screw suction mechanism 6 will be located the screw of discharge gate 10 and can carry out the screwing work to it after absorbing to realize the automatic feeding and the location of screw, improve work efficiency, alleviate labourer's intensity of labour.
In some embodiments, the driving mechanism is provided with a connecting group board, two screw tightening mechanisms, two screw sucking mechanisms 6 and two feeders 8 are respectively arranged, the two feeders 8 are arranged side by side, and correspondingly, the two screw sucking mechanisms 6 and the two feeders 8 are respectively arranged correspondingly; the two screw tightening mechanisms are all arranged on the connecting assembly plate, and the driving mechanism can drive the synchronous motion of the two screw suction mechanisms 6 simultaneously through the connecting assembly plate, so that the automatic screwing operation of the two screws is realized, and the operation efficiency is greatly improved. In addition, it should be noted that, in this embodiment, two examples are described herein with respect to the screw tightening mechanism, the screw sucking mechanism 6, and the feeder 8, and in actual use, in order to improve efficiency, the screw tightening mechanism, the screw sucking mechanism 6, and the feeder 8 may be further provided with a plurality of screws, which is not described herein in detail.
In some embodiments, the automatic screw screwing device for power device assembly further comprises a feeding frame 11 and a conveyor belt 12, wherein the feeding frame 11 is arranged on one side of the mounting frame 1; the conveyer belt 12 is installed on the material loading frame 11, the conveyer belt 12 has seted up first through-hole along its own direction of delivery, overlap joint has power device 13 on the first through-hole, the screw is used for assembling power device 13. The automatic feeding process of the power device 13 is realized through the arrangement of the conveyor belt 12, so that the advancing process of the screw after being sucked by the screw suction mechanism 6 is shortened, and the screw suction effect of the screw suction mechanism 6 on the screw is ensured.
Specifically, the power device 13 comprises an intelligent power module type power device, a pin 14 is arranged on the power device 13, a positioning plate 15 and a lifting device 16 are arranged on the feeding frame 11, wherein the positioning plate 15 is arranged above the conveyor belt 12, and a second through hole 17 is formed in a position, corresponding to the pin 14, of the positioning plate 15 in a penetrating manner; the lifting device 16 is used for driving the power device 13 to move towards or away from the second through hole 17. When the power device 13 needs to be assembled with the screw, the power device 13 is placed on the conveyor belt 12, when the power device 13 moves to a preset position along with the conveyor belt 12, the lifting device 16 drives the power device 13 to lift so that the upper surface of the power device 13 is abutted to the lower surface of the positioning plate 15, pins 14 on the power device 13 are in one-to-one correspondence fit with the second through holes 17, and then the screw is driven to move through the driving mechanism, and is screwed into the power device 13 under the action of the rotating piece, so that automatic screwing of the screw is realized. It should be noted that, in order to ensure that the position of the positioning plate 15 does not affect the installation of the screw, a third through hole is provided through the corresponding positions of the positioning plate 15 and the power device 13 for installing the screw, and an installation space is provided for the installation of the screw through the setting of the third through hole. The lifting device 16 is an lifting cylinder, the lifting cylinder is detachably mounted on the feeding frame 11 through a bolt, and a piston rod of the lifting cylinder is used for being abutted against the power device 13, so that the expansion and contraction of the piston rod of the lifting cylinder drives the power device 13 to reciprocate up and down, and in addition, the lifting device 16 can be of other structures in the prior art, which is not described in detail in this embodiment.
Optionally, an inductor is further disposed on the feeding frame 11, and the inductor is used for sensing the position of the power device 13. The sensor is in communication connection with the lifting device 16, and when the sensor senses that the assembly is to be performed, the lifting device 16 operates, so that the power device 13 is driven to move upwards, a screw installation procedure is completed, automatic operation of a device assembly line is achieved, and the working efficiency is improved.
Optionally, the first through hole is formed on the conveyor belt 12 along the running direction of the conveyor belt 12, and the first through hole completely covers the lifting device 16 based on the orthographic projection of the lifting device 16, so that the conveyor belt 12 does not need to stop working when the lifting device 16 works, and can continue to rotate to ensure the working efficiency. In this case, two mounting frames 1 can be arranged beside the feeding frame 11, and at this time, the screw suction mechanisms 6 on each mounting frame 1 can work independently, so that the whole continuity of the device is ensured.
Referring to fig. 1-3, an embodiment of the present application further provides a screwing method applied to the automatic screwing device for assembling a power device according to the foregoing embodiment, where the method includes: controlling the screw suction mechanism 6 to suck screws, and driving the screw suction mechanism 6 to convey the screws to a preset position by the driving mechanism; and the controller controls the rotating member 2 according to a preset scheme to screw the screw into the power device 13.
Specifically, the driving mechanism drives the screw suction mechanism 6 to move to the screw position, the screw is sucked through the screw suction mechanism 6, then the driving mechanism drives the screw suction mechanism 6 to move to a preset position, the preset position is the position of the power device 13 for assembling the screw, and the screw is screwed into the power device 13 under the double matching of the driving mechanism and the screw screwing mechanism. Specifically, the driving mechanism controls the screw suction mechanism 6 to move downward, and the controller controls the rotation member 2 to move according to a preset scheme to screw the screw into the power device 13.
The preset scheme includes controlling the rotating member 2 to work intermittently according to the first torque value, the second torque value and the third torque value respectively. Namely, in the screw assembly process, the controller firstly controls the rotating piece 2 to work according to a first torque value so that the screw can be positioned on the power device 13, in the process, the torque value of the screw is detected through the information collector 7, and meanwhile, the double detection effect on the screw assembly is achieved by collecting the rotation number of the screw and the height of the screw through the information collector 7; after the screw rotates for a preset number of turns or reaches a first torque value, the controller adjusts the rotation torque of the rotating member 2 to a second torque value, the rotating member 2 applies torque to the screw according to the second torque value to realize the pre-tightening work of the screw, in the process, the torque value of the screw is detected through the information collector 7, and meanwhile, the number of turns of the screw and the height of the screw are also collected through the information collector 7; after the screw rotates for a preset number of turns or reaches a second torque value, the controller adjusts the rotation torque of the rotating member 2 to a third torque value, and the rotating member 2 applies torsion to the screw according to the third torque value so as to realize locking of the screw.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).
Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. An automatic screw screwing device for power device assembly, comprising:
the feeding device comprises a mounting frame, wherein a feeding frame is arranged on one side of the mounting frame;
the screw tightening mechanism is arranged on the mounting frame and comprises a controller and a rotating piece which are connected, the controller is used for adjusting the rotation moment of the rotating piece, and the rotating piece is provided with a screw suction mechanism;
the driving mechanism is arranged on the mounting frame and connected with the screw tightening mechanism to drive the screw tightening mechanism to move in a preset direction;
the conveyor belt is arranged on the feeding frame, a first through hole is formed in the conveyor belt along the conveying direction of the conveyor belt, a power device is lapped on the first through hole, a screw is used for assembling the power device, and pins are arranged on the power device;
the positioning plate is arranged on the feeding frame and is arranged above the conveyor belt, and a second through hole is formed in the position, corresponding to the pin, of the positioning plate in a penetrating manner; and
and the lifting device is arranged on the feeding frame and used for driving the power device to move towards the direction close to or far away from the second through hole, and the first through hole completely covers the lifting device based on orthographic projection of the lifting device.
2. The device of claim 1, wherein the screw extraction mechanism comprises:
the seat body is internally provided with an air cavity, and the air cavity is connected with a vacuum source;
the suction nozzle is arranged on the base body and communicated with the air cavity so that the suction nozzle can suck the screw;
the screwdriver head is arranged in the suction nozzle and is used for being matched with the screw to compress and rotate the screw.
3. The apparatus as recited in claim 2, further comprising:
and the air pressure detection device is used for detecting the air pressure value between the suction nozzle and the screw.
4. The apparatus of claim 1, wherein the screw tightening mechanism further comprises an information collector for collecting a torque value of the screw.
5. The device of claim 1, wherein the mounting frame is further provided with a feeding assembly, the feeding assembly comprises a feeder arranged on the mounting frame, and the feeder is provided with a feed inlet and a discharge outlet.
6. The apparatus of claim 1, wherein the loading frame is further provided with an inductor.
7. A screwing method, characterized in that it is applied to the automatic screwing device for power device assembly according to any one of claims 1 to 6, said method comprising:
controlling the screw suction mechanism to suck screws, and driving the screw suction mechanism to convey the screws to a preset position by the driving mechanism; and
the controller controls the rotating member according to a preset scheme to screw the screw into the power device.
8. The method of claim 7, wherein the preset scheme comprises: and controlling the rotating piece to intermittently work according to the first torque value, the second torque value and the third torque value respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210799682.1A CN115055952B (en) | 2022-07-06 | 2022-07-06 | Automatic screw screwing device and screwing method for power device assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210799682.1A CN115055952B (en) | 2022-07-06 | 2022-07-06 | Automatic screw screwing device and screwing method for power device assembly |
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| CN115055952A CN115055952A (en) | 2022-09-16 |
| CN115055952B true CN115055952B (en) | 2024-03-08 |
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| JPH06246550A (en) * | 1993-02-25 | 1994-09-06 | Ando Electric Co Ltd | Printed circuit board positioning device |
| JPH07251333A (en) * | 1994-03-16 | 1995-10-03 | Ando Electric Co Ltd | Positioning table for printed board |
| IL187101A0 (en) * | 2006-11-20 | 2008-02-09 | Itt Mfg Enterprises Inc | Filter connector with high frequency shield |
| CA2726179A1 (en) * | 2009-12-22 | 2011-06-22 | Virginia Optoelectronics, Inc. | Light emitting diode light source modules |
| CA2780658A1 (en) * | 2011-06-24 | 2012-12-24 | General Electric Company | Cooling device for a power module, and a related method thereof |
| CN104355045A (en) * | 2014-10-15 | 2015-02-18 | 苏州速腾电子科技有限公司 | Convenient and reliable chip conveying device and assembly line using device |
| CN204203276U (en) * | 2014-10-23 | 2015-03-11 | 格力电器（郑州）有限公司 | power supply test fixture |
| CN107775328A (en) * | 2017-11-30 | 2018-03-09 | 苏州嘉孚朗自动化设备有限公司 | Bull screw locking machine |
| CN108480977A (en) * | 2018-06-25 | 2018-09-04 | 深圳市威富智能设备有限公司 | A kind of screw self-locking device and screw machine is locked automatically |
| CN111421492A (en) * | 2020-04-27 | 2020-07-17 | 深圳市威富智能设备有限公司 | Electric screwdriver and sectional control method and storage medium thereof |
| CN112509994A (en) * | 2020-12-02 | 2021-03-16 | 上海新时达电气股份有限公司 | Semiconductor device fixing device, heat radiation assembly and mounting method of semiconductor device |
| CN114055144A (en) * | 2021-12-13 | 2022-02-18 | 上海无线电设备研究所 | Automatic suction and tightening device of linear groove screwed-in type SMP connector and using method |
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| CN115055952A (en) | 2022-09-16 |
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