CN115847080A

CN115847080A - Automatic assembly line and assembly method for domain controller

Info

Publication number: CN115847080A
Application number: CN202211563323.2A
Authority: CN
Inventors: 陈勇庆; 徐万里; 吴禹深
Original assignee: Xiamen Liju Automation Technology Co ltd
Current assignee: Xiamen Liju Automation Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-28

Abstract

The invention provides an automatic assembly line and an assembly method for a domain controller, which comprises a rack, wherein a transmission device is arranged on the rack and used for transmitting a middle frame, a fan, a circuit board, a bottom cover, a left support and a right support; a fan assembly device, a turnover middle frame device, a circuit board assembly device, a bottom cover assembly device and a bracket assembly device are sequentially arranged along the conveying path of the conveying device; the fan assembling device locks the fan on the middle frame; the middle frame overturning device grabs the middle frame positioned on the conveying device, drives the middle frame to overturn, and then puts the middle frame on the conveying device again; the circuit board assembling device assembles the circuit board positioned on the transmission device on the overturned middle frame; the bottom cover assembling device is used for covering the bottom cover assembly on the middle frame; the bracket assembling device is used for respectively assembling the left bracket and the right bracket on two sides of the bottom cover. The invention automatically assembles a plurality of parts of the domain controller, and improves the production efficiency and the assembly effect.

Description

Automatic assembly line and method for domain controller

Technical Field

The invention relates to the technical field of automatic assembly devices, in particular to an automatic assembly line and an assembly method for a domain controller.

Background

Along with the development of automatic driving of the automobile, a plurality of sensors are additionally arranged at the front end of the automobile to provide scene and vehicle information, wherein the sensors comprise a vision camera, an ultrasonic radar, a high-precision positioning device, a speedometer, a laser radar, a millimeter wave radar, an inertial device and the like, and a high-precision map so as to stably run an automatic driving mode. The rapidly increased number of sensors and the complexity of the wire harness pose great challenges to an Electronic Control Unit (ECU) and an electronic and electrical architecture in the traditional automobile field, a centralized architecture scheme for gradually replacing a distributed architecture becomes a mainstream direction of future development of an automobile architecture, and an ADAS domain controller with high integration level and high calculation power for replacing the traditional ECU is a better solution at the present stage.

The domain controller mainly comprises a middle frame, a fan, a switching board, a main board, a bottom cover, a left support and a right support. Most of the assembly aiming at the domain controller in the prior art adopts a manual assembly mode, but the process is complex and troublesome due to more components of the domain controller, the assembly efficiency is low, the assembly cost is high, and the technical development of the domain controller is unfavorable.

Disclosure of Invention

Therefore, the invention provides an automatic assembly line and an assembly method of a domain controller, which are used for automatically assembling a plurality of parts of the domain controller and improving the production efficiency and the assembly effect.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

an automatic assembly line of a domain controller comprises a rack, wherein a transmission device is arranged on the rack and used for transmitting a middle frame, a fan, a circuit board, a bottom cover, a left support and a right support; a fan assembly device, a turnover middle frame device, a circuit board assembly device, a bottom cover assembly device and a support assembly device are sequentially arranged along the conveying path of the conveying device; the fan assembling device locks the fan on the middle frame; the middle frame overturning device grabs the middle frame positioned on the conveying device, drives the middle frame to overturn, and then places the middle frame on the conveying device again; the circuit board assembling device assembles the circuit board positioned on the transmission device on the overturned middle frame; the bottom cover assembling device covers the bottom cover assembly on the middle frame to form a domain controller semi-finished product; the bracket assembling device is used for respectively assembling the left bracket and the right bracket on two sides of the semi-finished product of the domain controller.

Further, the circuit board assembly device comprises a transit board assembly device and a main board assembly device, and the transit board assembly device and the main board assembly device are sequentially arranged along a transmission path of the transmission device; the adapter plate assembly assembling device is used for sequentially assembling the adapter plate and the adapter plate bracket on the middle frame, and the main board assembling device is used for assembling the main board on the middle frame.

Furthermore, a first thermal grease coating device is arranged between the adapter plate assembly assembling device and the main board assembling device and coats thermal grease on the middle frame; and a second thermal paste coating device is also arranged between the mainboard assembling device and the bottom cover assembling device and is used for coating thermal paste on the mainboard.

Furthermore, the adapter plate assembly assembling device comprises a first pre-assembling mechanism and a first locking mechanism, wherein the first pre-assembling mechanism sequentially grabs the adapter plate and the adapter plate support and pre-assembles the adapter plate and the adapter plate support on the turned middle frame, and the first locking mechanism sequentially locks the adapter plate and the adapter plate support on the middle frame.

Furthermore, the mainboard assembling device comprises a second preassembly mechanism, wherein the second preassembly mechanism grabs the mainboard positioned on the transmission mechanism and is preassembled on the middle frame provided with the adapter plate.

Further, the transmission device is a conveying line which is distributed in parallel up and down, and a jig is arranged on the conveying line to place the middle frame, the fan, the adapter plate support, the main board, the bottom cover, the left support and the right support; and the head end and the tail end of the two conveying lines are provided with a lifting platform so as to drive the jig to flow back between the two conveying lines.

Furthermore, be equipped with a plurality of joint seats on the tool and be used for center, fan, keysets support, mainboard, bottom, left socle and right branch frame joint respectively spacing.

Further, the bottom cover assembling device comprises a third pre-assembling mechanism and a second locking mechanism, the third pre-assembling mechanism grabs the bottom cover and assembles the bottom cover on the domain controller semi-finished product, and the second locking mechanism locks the bottom cover on the domain controller semi-finished product.

Further, the support assembling device comprises a grabbing and transferring mechanism, a positioning and pressing mechanism and a locking mechanism, wherein the grabbing and transferring mechanism grabs the domain controller semi-finished product, the left support and the right support which are positioned on the conveying device and transfers the domain controller semi-finished product, the left support and the right support to the positioning and pressing mechanism; the positioning and compressing mechanism comprises a rotary driving piece and a bearing seat connected with the output end of the rotary driving piece, the bearing seat is used for placing a domain controller semi-finished product, an upper compressing assembly, a left compressing assembly and a right compressing assembly are respectively connected above and on two sides of the bearing seat so as to be respectively compressed on the top surface of the domain controller semi-finished product when the domain controller semi-finished product is placed on the bearing seat, and a left bracket and a right bracket are respectively compressed on the side surface of the domain controller semi-finished product; and the locking mechanism is positioned above the positioning and pressing mechanism so as to lock and fix the left bracket on one side surface of the semi-finished product of the domain controller and lock and fix the right bracket on the other side surface of the semi-finished product of the domain controller.

Furthermore, the turnover middle frame device comprises an X-axis transfer driving assembly, a Y-axis transfer driving assembly, a Z-axis lifting driving assembly and a clamping turnover tool; the clamping and overturning work is clamped at two sides of the middle frame and drives the middle frame to overturn for 180 degrees; the output end of the Y-axis transfer driving assembly is connected with the X-axis transfer driving assembly, the driving end of the X-axis transfer driving assembly is connected with the Z-axis lifting driving assembly, and the output end of the Z-axis lifting driving assembly is connected with the clamping and overturning tool so as to drive the clamping and overturning tool to move on the X-axis, the Y-axis and the Z-axis; the clamping and overturning tool comprises an installation seat, a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are fixedly arranged on two sides of the installation seat, and are oppositely arranged so as to be clamped on two sides of the middle frame; the first clamping part comprises a rotary driving part, a first transmission assembly and a first clamping arm, and the rotary driving part is in transmission connection with the first clamping arm through the first transmission assembly; the second clamping part comprises a second transmission component and a second clamping arm, the second transmission component is connected with the first transmission component through a rotating shaft and transmits to the second clamping arm, so that the second clamping arm and the first clamping arm rotate synchronously.

The invention also provides a domain controller assembling method, which is characterized in that: the method comprises the following steps:

a1, providing the automatic assembly line of the domain controller, and locking and fixing a fan on a middle frame;

a2, turning over a middle frame provided with a fan; so that the fixed surface of the middle frame and the fan faces downwards;

a3, locking and fixing the circuit board on the middle frame;

a4, locking and fixing the bottom cover on the middle frame to enable the bottom cover to cover the circuit board;

and A5, respectively locking and fixing the left support and the right support on two sides of the bottom cover.

Through the technical scheme provided by the invention, the method has the following beneficial effects:

the invention is provided with a fan locking device, a turnover middle frame device, a circuit board assembling device, a bottom cover assembling device and a bracket assembling device along the conveying path of the conveying device in sequence, so that the fan and the circuit board are assembled on the middle frame in sequence, the bottom cover assembling cover is arranged on the middle frame, and finally, a left bracket and a right bracket are assembled to form a finished domain controller; the invention automatically realizes the assembly of each component of the domain controller, has high automation degree and improves the assembly efficiency and the assembly precision.

Drawings

FIG. 1 is a schematic structural view of an automatic assembly line of a domain controller according to the present invention;

FIG. 2 is a partial enlarged view of A of FIG. 1;

FIG. 3 is a schematic structural view of the jig of the present invention;

FIG. 4 is a schematic view of another angle of the jig of the present invention;

FIG. 5 is a schematic structural diagram of a fan assembly apparatus according to the present invention;

FIG. 6 is a schematic structural view of the turnover center frame device of the present invention;

FIG. 7 is a schematic structural view of the clamping and flipping tool of the present invention;

FIG. 8 is a schematic view of a first preassembly mechanism and a portion of a transfer device of the present invention;

FIG. 9 is a schematic view of a first preassembly mechanism of the present invention;

FIG. 10 is a schematic view of a first thermal paste dispenser according to the present invention;

FIG. 11 is a schematic structural view of the stent assembly device of the present invention;

FIG. 12 is a schematic view of the positioning and clamping mechanism of the present invention;

fig. 13 is a schematic diagram showing the structure of the domain controller.

Detailed Description

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The invention will now be further described with reference to the accompanying drawings and detailed description.

As a preferred embodiment of the present invention, there is provided an automatic assembly line of a domain controller for automatically implementing assembly of components of the domain controller. The domain controller comprises a middle frame, a bottom cover covered on the middle frame, and a circuit board arranged in the middle frame and the bottom cover; and a left support and a right support are also arranged on two sides of the bottom cover. Wherein the circuit boards can be set to different kinds and quantities according to requirements. Referring to fig. 13, in the present embodiment, the circuit board includes an interposer and a motherboard, wherein the interposer further includes an interposer support. Namely, the domain controller 10 includes a middle frame 101, a fan 102, an adapter board 103, an adapter board bracket 1030, a main board 104, a bottom cover 105, a left bracket 106, and a right bracket 107. Referring to fig. 1 to 12, the automatic local controller assembly line includes a rack 1, a transmission device 2 is disposed on the rack 1, and a fan assembly device 3, a middle frame turnover device 4, a circuit board assembly device, a bottom cover assembly device 7, and a bracket assembly device 8 are sequentially disposed along a conveying path of the transmission device 2; the circuit board assembling device is based on a circuit board assembly of a domain controller, and more particularly comprises a transit board assembly assembling device 5 and a main board assembling device 6; the fan assembly device 3 locks the fan 102 on the middle frame 101; the turnover middle frame device 4 grabs the middle frame 101 on the transmission device 2, drives the middle frame to turn over, and then places the middle frame on the transmission device 2 again; the adapter plate assembly assembling device 5 is used for assembling the adapter plate 103 and the adapter plate bracket 1030 on the transmission device 2 on the turned middle frame 101; the main board assembly device 6 is used for continuously assembling the main board 104 positioned on the transmission device 2 on the middle frame 101; after the main board 104 and the middle frame 101 are assembled, the connection between the main frame 104 and components such as a fan and the like is also completed manually; the bottom cover assembling device 7 is used for assembling a bottom cover 105 on a middle frame assembled with the adapter plate 103, the adapter plate bracket 1030 and the main board 104 to form a domain controller semi-finished product, and the bracket assembling device 8 is used for assembling the left bracket 106 and the right bracket 107 on two sides of the domain controller semi-finished product respectively. A first thermal paste coating device 50 is further arranged between the adapter plate assembly assembling device 5 and the main board assembling device 6, and the first thermal paste coating device 50 coats thermal paste on the middle frame 101; a second thermal grease coating device 60 is further arranged between the mainboard assembling device 6 and the bottom cover assembling device 7, and the second thermal grease coating device 60 is used for coating thermal grease on the mainboard 104. So, this embodiment adopts the tool of placing the domain controller subassembly to pass through the mode of each equipment station in proper order through the transfer chain to the equipment of each subassembly of moving realization domain controller, degree of automation is high, improves production efficiency and equipment precision by a wide margin.

Referring to fig. 2 to 4, the transmission device 2 is used for transmitting the middle frame 101, the fan 102, the adapter board 103, the adapter board bracket 1030, the main board 104, the bottom cover 105, the left bracket 106 and the right bracket 107. Further, the transmission device 2 is a transmission line 21 distributed in parallel up and down, and a jig 22 is disposed on the transmission line 21 for placing the middle frame 101, the fan 102, the adapter plate 103, the adapter plate bracket 1030, the main board 104, the bottom cover 105, the left bracket 106, and the right bracket 107. Wherein, the head end and the end of transfer chain 21 are equipped with tool lift platform to realize the upper and lower backward flow of tool. Specifically, the conveying line 21 includes a conveying belt and a driving motor for driving the conveying belt to move, and this conveying line structure is a common technology in the art and will not be described herein too much. The conveying line 21 is also provided with a plurality of position sensors to detect the conveying positions of the jigs 22. Of course, in other embodiments, the conveying device 2 may also be a feeding turntable or other conveying mechanism for conveying the domain controller parts to each assembling mechanism, which is not limited herein. The mode of transfer chain 21 is adopted to this embodiment, is convenient for realize placing of each subassembly of domain controller, and conveniently conveys to each subsequent equipment mechanism. The jig 22 is provided with a plurality of clamping seats 221 for clamping and limiting the middle frame 101, the fan 102, the adapter plate 103, the adapter plate bracket 1030, the main board 104, the bottom cover 105, the left bracket 106 and the right bracket 107 respectively, each clamping seat 221 comprises a bottom board and clamping blocks arranged on the periphery of the bottom board, and the structure of each clamping seat 221 is slightly different according to the specific structure of each domain controller component so as to ensure the stability and the limitation of the domain controller components. In order to facilitate the placement of the controller assemblies in each domain, one side of each fastening seat 221 is provided with an identifier, such as a "fan placement area", a "middle frame placement area", and an "adapter plate placement area". Moreover, each jig 22 is connected with a lifting cylinder 222 to drive the jig 22 to lift along the vertical direction; when the conveying device 2 conveys the jig 22 to each assembling station, the lifting cylinder 222 drives the jig 22 to ascend, and the jig 22 is positioned by the positioning pins, so that a good positioning effect on the jig 22 is ensured, and each assembling mechanism can conveniently assemble the domain controller assembly on the jig 22.

Referring to fig. 1, a feeding station 20 is disposed at a head end of the transmission device 2 to feed and place the domain controller components, that is, the middle frame 101, the fan 102, the adapter plate 103, the adapter plate bracket 1030, the main board 104, the bottom cover 105, the left bracket 106, and the right bracket 107, onto the jig 22 of the transmission device 2. The adapter board 103, the adapter board bracket 1030, the main board 104, the bottom cover 105, the left bracket 106 and the right bracket 107 are manually placed in the clamping seats 221 corresponding to the jig 22; and the middle frame 101 and the fan 102 are pre-assembled and then placed on the clamping seat 221 corresponding to the fan placing area.

The next station of the feeding station is provided with a fan assembly device 3. The fan assembling device 3 locks the fan 102 on the middle frame 101; specifically, referring to fig. 5, the fan assembling device 3 includes a four-axis robot 31, and a screw assembling unit 32 and a CCD unit 33 installed at an output end of the four-axis robot 31; the CCD assembly 33 photographs and positions the pre-installed fan 102 and the middle frame 101 on the transmission device 2, and the screw assembling assembly 32 includes a lifting driving part (specifically, a driving cylinder) and a screw assembling machine, and the lifting driving part drives the screw assembling machine to descend, so as to lock and fix the fan 102 and the middle frame 101 with screws. The manual middle frame 101 and the fan 102 are pre-assembled and then transmitted to the fan assembling device 3 through the transmission device 2, the four-axis robot 31 acts to move to the middle frame 101 and the fan 102, the CCD assembly photographs and positions the middle frame 101 and the fan 102, and the screw assembling assembly 32 locks the connecting screws of the fan 102 and the middle frame 101.

The middle frame overturning device 4 grabs the middle frame 101 on the conveying device 2, drives the middle frame to overturn, and then puts the middle frame on the conveying device 2 again. The X-axis, the Y-axis, and the Z-axis are defined as three coordinate axes of a spatial rectangular coordinate system, wherein the conveying direction of the conveying device 2 is defined as the X-axis direction, the horizontal moving direction perpendicular to the X-axis direction is defined as the Y-axis direction, and the vertical moving direction is defined as the Z-axis direction. Specifically, referring to fig. 6 to 7, the turnover center frame device 4 includes an X-axis transfer driving assembly 41, a Y-axis transfer driving assembly 42, a Z-axis lifting driving assembly 43, a clamping turnover fixture 44, and a rotation driving assembly 45, an output end of the Y-axis transfer driving assembly 42 is connected to the X-axis transfer driving assembly 41, a driving end of the X-axis transfer driving assembly 41 is connected to the Z-axis lifting driving assembly 43, an output end of the Z-axis lifting driving assembly 43 is connected to the rotation driving assembly 45, and an output end of the rotation driving assembly 45 is connected to the clamping turnover fixture 44, so as to drive the clamping turnover fixture 44 to move in the X-axis, the Y-axis, and the Z-axis. Specifically, the X-axis transfer driving assembly 41 and the Y-axis transfer driving assembly 42 are screw rod sliding rail assemblies driven by motors, and include servo motors, linear sliding rails and sliding blocks sliding on the linear sliding rails, the X-axis transfer driving assembly 41 is fixed on the sliding block of the Y-axis transfer driving assembly 42, the Z-axis lifting driving assembly 43 is fixed on the sliding block of the X-axis transfer driving assembly 41 and is driven by the respective servo motors to slide on the linear sliding rails, so that the horizontal X-axis and Y-axis movements of the Z-axis lifting driving assembly 43, the rotary driving assembly 45 and the clamping and overturning tool 44 connected thereto are realized. Similarly, the Z-axis lifting driving assembly 43 is also a motor-driven lead screw sliding rail assembly, and comprises a servo motor, a linear sliding rail and a sliding block sliding on the linear sliding rail, and the rotary driving assembly 45 is fixed on the sliding block to drive the rotary driving assembly 45 and the clamping and overturning tool 44 to move in the vertical direction. Of course, in other embodiments, the X-axis transfer driving assembly 41, the Y-axis transfer driving assembly 42 and the Z-axis lifting driving assembly 43 may be driving assemblies such as a motor-driven belt-slide assembly, which is not limited herein. Further, the rotation driving assembly 45 comprises a rotation motor and a fixing plate, and a clamping and overturning tool 44 is connected to the fixing plate, so that rotation in the horizontal direction is achieved through the rotation motor to drive the clamping and overturning tool 44, and adjustment of the inclination angle in the horizontal direction is achieved. In this way, the X-axis transfer driving unit 41, the Y-axis transfer driving unit 42, the Z-axis lifting driving unit 43, and the rotation driving unit 45 are engaged with each other to move the clamping and inverting tool 44 in each direction. The clamping and overturning tool 44 comprises an installation seat 441, and a first clamping portion 442 and a second clamping portion 443 which are fixedly arranged on two sides of the installation seat 441, wherein the first clamping portion 442 and the second clamping portion 443 are oppositely arranged so as to clamp two sides of the middle frame 101; the first clamping portion 442 includes a rotary driving member 4421, a first transmission assembly 4422 and a first clamping arm 4423, the rotary driving member 4421 is in transmission connection with the first clamping arm 4423 through the first transmission assembly 4422; the second clamping portion 443 includes a second transmission assembly 4431 and a second clamping arm 4432, the second transmission assembly 4431 is connected with the first transmission assembly 4422 through a rotating shaft 444 and is transmitted to the second clamping arm 4432, so that the second clamping arm 4432 and the first clamping arm 4423 rotate synchronously, and the synchronism of the actions of the first clamping arm 4423 and the second clamping arm 4432 on both sides is ensured. Thus, the first and

second clamp arms

4423 and 4432 of the clamp and turn tool 44 are clamped on both sides of the middle frame 101 and drive the middle frame 101 to turn 180 °. Specifically, the second transmission assembly 4431 and the first transmission assembly 4422 are both transmission wheels and belt assemblies connecting the two transmission wheels; the rotation driving member 4421 is a driving motor and a driving wheel, and the driving wheel is connected with the driving wheel of the first driving assembly 4422. In this embodiment, the middle frame 101, which is located in the fan placement region and assembled with the fan 102, is grabbed by the middle frame overturning device 4, the middle frame 101 is driven to overturn by 180 °, and the middle frame overturning device 4 places the middle frame 101 after overturning in the middle frame placement region of the jig 22. Of course, in other embodiments, other turnover mechanisms may be adopted for turning over the middle frame device 4, and the present disclosure is not limited thereto.

In this embodiment, the adapter plate assembly assembling device 5 sequentially assembles the adapter plate 103 and the adapter plate bracket 1030, which are located on the transmission device 2, on the inverted center frame 101, specifically, the adapter plate assembly assembling device 5 includes a first pre-assembling mechanism 51 and a first locking mechanism 52, as shown in fig. 8 and 9, the first pre-assembling mechanism 51 respectively picks up the adapter plate 103 and the adapter plate bracket 1030 and pre-assembles the adapter plate 103 and the adapter plate bracket 1030 on the inverted center frame 101, and the first locking mechanism 52 respectively locks the adapter plate 103 and the adapter plate bracket 1030 on the center frame 101. Further, the first preassembly mechanism 51 includes a four-axis robot 511, and a CCD module 512 and a suction part 513 mounted at a driving end of the four-axis robot 511; the CCD component 512 respectively identifies the position of the adapter plate 103, the adapter plate bracket 1030 and the center frame 101 on the transmission device 2, the suction part 513 includes a lifting driving part (specifically, a driving cylinder) and a suction head, and the lifting driving part drives the suction head to lift so as to suck the adapter plate 103 or the adapter plate bracket 1030; in order to ensure the pre-installation effect of the adapter plate 103 or the adapter plate bracket 1030 and the middle frame 101, a pressing part may be further provided, the pressing part includes a driving cylinder and a pressing block, an output end of the driving cylinder is connected with the pressing block to drive the pressing block to act, so as to press the adapter plate 103 or the adapter plate bracket 1030 on the middle frame 101. The first locking mechanism 52 is similar to the fan assembly device 3 in structure and includes a four-axis manipulator, and a screw assembly component and a CCD component mounted at a driving end of the four-axis manipulator, and a specific working process is similar to that of the fan assembly device 3 and will not be described herein. In this embodiment, the adaptor plate assembly assembling device 5 comprises only one first preassembly mechanism 51 and one first locking mechanism 52; so as to realize that the adapter plate 103 is assembled on the middle frame 101, and the adapter plate bracket 1030 is assembled on the middle frame 101; of course, in other embodiments, two first pre-assembling mechanisms 51 and two first locking mechanisms 52 may be provided to respectively assemble the interposer 103 and the middle frame 101 and assemble the interposer support 1030 and the middle frame 101, which is not limited herein.

The concrete working process of the adapter plate assembly assembling device 5 is as follows: the four-axis manipulator 511 of the first pre-assembling mechanism 51 acts to drive the CCD assembly 512 and the suction part 513 to move to align with the adapter plate 103 in the clamping seat 221 corresponding to the "adapter plate placement region" in the jig 22, the CCD assembly 512 performs photographing and positioning on the adapter plate, the rear suction part 513 sucks the adapter plate 103, and the adapter plate is driven by the four-axis manipulator 511 to move to the clamping seat 221 corresponding to the "middle frame placement region" of the jig 22 and align with the middle frame 101 so as to pre-assemble the adapter plate 103 on the middle frame 101, and the rear pressing part presses down to press the adapter plate 103 on the upper surface of the middle frame 101; the rear first locking mechanism 52 moves to the position where the middle frame 101 and the adapter plate 103 are located, so as to complete the screw locking of the adapter plate 103 and the middle frame 101; then, the first pre-assembling mechanism 51 repeats to suck the interposer bracket 1030 on the clamping seat 221 corresponding to the "region where the interposer bracket is located" of the fixture 22, and moves to the position where the middle frame 101 is located, so as to pre-assemble the interposer bracket 1030 on the surface of the middle frame 101, and the first locking mechanism 52 repeats to complete the screw locking of the interposer bracket 1030 and the middle frame 101.

The next mechanism of the adapter plate assembly assembling device 5 is a first thermal paste coating device 50, and the first thermal paste coating device 50 is used for coating thermal paste on the middle frame 101; as shown in fig. 10, the first thermal paste dispenser 50 includes an X-axis transfer driving unit 501, a Y-axis transfer driving unit 502, a Z-axis lifting driving unit 503, and a coating unit 504. Specifically, the X-axis transfer driving portion 501 and the Y-axis transfer driving portion 502 may be screw rail assemblies driven by motors, and include servo motors, linear rails, and sliders sliding on the linear rails, the X-axis transfer driving portion 501 is fixed on the slider of the Y-axis transfer driving portion 502, and the Z-axis lifting driving portion 503 is fixed on the slider of the X-axis transfer driving portion 501 and is driven by the respective servo motors to slide on the linear rails; the Z-axis lifting driving part 503 is a lifting cylinder, and the coating part 504 is fixed on the output end of the Z-axis lifting driving part 503; thereby realizing the X-axis, Y-axis, and Z-axis movements of the coating portion 504. Of course, in other embodiments, the X-axis transfer driving unit 501, the Y-axis transfer driving unit 502, and the Z-axis lifting driving unit 503 may be driving units such as belt-slide units driven by motors, which is not limited herein. In this way, the first thermal paste coating device 50 can coat the thermal paste on the specific position of the middle frame 101, and the structure is simple. Of course, in other embodiments, the first thermal paste coating apparatus 50 is not limited thereto. In the present embodiment, the second thermal paste coating device 60 disposed between the motherboard assembling device 6 and the bottom cover assembling device 7 is identical to the first thermal paste coating device 50, so as to coat the thermal paste on a specific position of the motherboard 104, thereby ensuring the heat dissipation effect of the motherboard 104, and the description thereof will not be repeated.

In this embodiment, the motherboard assembling apparatus 6 assembles the motherboard 104 on the transmission apparatus 2 on the middle frame 101 equipped with the adapter board 103. Specifically, the main board assembly apparatus 6 includes a second pre-assembly mechanism 61, and the second pre-assembly mechanism 61 picks up the main board 104 and pre-assembles the main board on the middle frame 101. The structure and the operation principle of the second preassembly mechanism 61 are substantially the same as those of the first preassembly mechanism 51, that is, the connection relationship between the components of the second preassembly mechanism 61 is substantially the same as that between the components of the first preassembly mechanism 51, and the same operation can be realized; of course, the size and structure of the suction portion of the second preassembly mechanism 61 can be different according to the sizes of the main board 104 and the adapter board 103, or the suction portion of the second preassembly mechanism 61 can be modified to be a clamping jaw, etc., as is conventional in the art. Of course, in other embodiments, the second pre-assembly mechanism 61 is not limited thereto, and may be completely different from the first pre-assembly mechanism 51. The specific working process of the main board assembling device 6 is as follows: the four-axis manipulator of the second pre-assembling mechanism 61 acts to drive the CCD assembly and the suction part to move to the clamping seat 221 corresponding to the "region where the main board 104 is located" on the jig 22, and align with the main board 104 located thereon, the CCD assembly photographs and positions the main board 104, the rear suction part sucks the main board 104, and moves to the clamping seat 221 corresponding to the "middle frame placing region" on the jig 22 under the drive of the four-axis manipulator, and aligns with the middle frame 101, so as to pre-assemble the main board 104 to the middle frame 101, and the rear pressing part presses down to press the main board 104 tightly against the middle frame 101; and then, in the position, the wiring connection of the main board and components such as a fan and the like is manually finished.

Further, the bottom cover assembling device 7 is used for assembling the bottom cover 105 on the middle frame 101 assembled with the adapter plate assembly and the main board 104 to form a domain controller semi-finished product. Specifically, the bottom cap assembling apparatus 7 includes a third pre-assembly mechanism 71 and a second locking mechanism 72, the third pre-assembly mechanism 71 picks up the bottom cap 105 and pre-assembles it on the middle frame 101, and the second locking mechanism 72 locks the bottom cap 105 on the middle frame 101. The third preassembly mechanism 71 has basically the same structure and operation principle as the first preassembly mechanism 51, and can perform the same operation; of course, the size and configuration of the suction portions of the third preassembly mechanism 71 can vary depending on the size of the main plate 104 and the bottom cover 105, or the suction portions of the third preassembly mechanism 71 can be modified to be jaws, etc., as is conventional in the art. Meanwhile, the structure and action of the second locking mechanism 72 are similar to those of the first locking mechanism 52, and will not be described herein repeatedly. Of course, in other embodiments, the third pre-assembly means 71 and the second locking means 72 are not limited thereto, and may be completely different from the first pre-assembly means 51 and the first locking means 52. In the same way, the specific working process of the bottom cover assembling device 7 is as follows: the four-axis manipulator of the third pre-assembly mechanism 71 acts to drive the CCD assembly, the suction part and the pressing part to move to the clamping seat 221 corresponding to the region where the bottom cover 105 is located on the jig 22, align with the bottom cover 105 located thereon, the CCD assembly photographs and positions the bottom cover, the rear suction part sucks the bottom cover 105, and the CCD assembly is driven by the four-axis manipulator to move to the clamping seat 221 corresponding to the region where the middle frame is located on the jig 22, align with the middle frame 101 to pre-assemble the bottom cover 105 to the middle frame 101, and the rear pressing part presses down to press the bottom cover 105 tightly against the middle frame 101; then the second locking mechanism 72 moves to the middle frame 101 to complete the screw locking of the bottom cover 105 and the middle frame 101; thus, a domain controller semi-finished product is formed.

The bracket assembling device 8 is used for assembling the left bracket 106 and the right bracket 107 on two sides of the domain controller semi-finished product respectively. Specifically, referring to fig. 11 to 12, the rack assembly apparatus 8 includes a grabbing and transferring mechanism 81, a positioning and pressing mechanism 82, and a locking mechanism 83. The grasping and transferring mechanism 81 grasps the domain controller semi-finished product, the left support 106 and the right support 107 on the transporting device 2, and transfers them to the positioning and pressing mechanism 82. Specifically, the grabbing and transferring mechanism 81 is a six-axis robot 811, and the output end of the six-axis robot 811 includes a domain controller semi-finished product grabbing part 812 for grabbing the domain controller semi-finished product, and a bracket grabbing part 813 for grabbing the left bracket 106 or the right bracket 107; further, the semi-finished product grabbing portion 812 and the support grabbing portion 813 of the domain controller each include a first clamping arm, a second clamping arm, and a clamping arm driving member for driving the first clamping arm and the second clamping arm to open or close. In this embodiment, in order to improve the assembly efficiency, the output end of the six-axis robot 811 is provided with the domain controller semi-finished product grasping portion 812 and the bracket grasping portion 813, the domain controller semi-finished product and one bracket are simultaneously grasped to move in the first action, the rear six-axis robot 811 performs the second action, and another bracket is grasped and transferred to the positioning and pressing mechanism 82 in the second action, so that the time is saved to the maximum extent, and the assembly efficiency is improved. Of course, in other embodiments, only one grabbing part may be installed at the output end of the six-axis robot 811 to accommodate grabbing of the domain control main body 101 and the rack, and the six-axis robot 811 needs to reciprocate three times to grab and transfer the controller components of each domain; or the output end of the six-axis robot 811 is provided with a domain controller semi-finished product grabbing part 812 and two support grabbing parts 813 to grab the domain controller semi-finished product, the left support 106 and the right support 107 at one time, which is not limited herein.

With reference to fig. 12, in the present embodiment, the positioning and pressing mechanism 82 is located within the transmission range of the grabbing and transferring mechanism 81, the positioning and pressing mechanism 82 includes a rotary driving element 821 and a receiving seat 822 connected to an output end of the rotary driving element 821, the receiving seat 822 is used for placing the domain controller semi-finished product, an upper pressing component 823, a left pressing component 824 and a right pressing component 825 are respectively connected above and at two sides of the receiving seat 822, so as to press the domain controller semi-finished product on the top surface of the domain controller semi-finished product 101 when the domain controller semi-finished product is placed on the receiving seat 822, and respectively press the left support 106 and the right support 107 on the side surface of the domain controller semi-finished product 101. The upper pressing component 823, the left pressing component 824 and the right pressing component 825 respectively comprise a rotary lifting motor and a pressing part connected with an output end of the rotary lifting motor, and the pressing part is driven by the rotary lifting motor to be close to and pressed down to the semi-finished product of the domain controller or to be lifted up and away from the semi-finished product of the domain controller.

The locking mechanism 83 is located above the positioning hold-down mechanism 82 to lock the left bracket 106 to one side of the domain controller semi-finished product 101 and to lock the right bracket 107 to the other side of the domain controller semi-finished product 101. In this embodiment, the locking mechanism 83 includes an X-axis driving moving component, a Z-axis lifting driving component, and a screw assembling machine, an output end of the X-axis driving moving component is connected to the Z-axis lifting driving component, and an output end of the Z-axis lifting driving component is connected to the screw assembling machine to drive the screw assembling machine to move along the X-axis and move up and down along the Z-axis, so as to respectively lock and fix the left bracket 106 and the right bracket 107 to two side surfaces of the domain controller semi-finished product 101. Specifically, the X-axis driving moving assembly is a driving assembly disposed along the X-axis direction, and the driving assembly is a driving assembly such as a belt sliding rail assembly driven by a motor or a screw sliding rail assembly driven by a motor, which is not limited herein. The Z-axis lifting driving component is a lifting cylinder and the like. In this way, by the cooperation of the positioning and pressing mechanism 82 and the locking mechanism 83, the locking screw actions at multiple positions of one side surface of the domain controller semi-finished product and the locking screw actions at multiple positions of the other side surface of the domain controller semi-finished product are realized for the left bracket 106 and the right bracket 107. Of course, in other embodiments, the locking mechanism 83 may also be the same as the first locking mechanism 52, and is not limited herein.

In the present embodiment, the six-axis robot 811 grabs the domain controller semi-finished product 101 and the right bracket 107 at the first time of grabbing, and grabs the left bracket 106 at the second time of grabbing as an example.

The specific action process of the support assembling device 8 is as follows: a six-axis robot 811 of the grabbing and transferring mechanism 81 drives the domain controller semi-finished product grabbing part 812 and the bracket grabbing part 813 to move onto the jig 22; respectively enabling the domain controller semi-finished product grabbing part 812 to grab the domain controller semi-finished product on the clamping seat 221 corresponding to the region where the middle frame is located, and enabling the support grabbing part 813 to grab the right support 107 on the clamping seat 221 corresponding to the region where the support is located; the semi-finished product of the domain controller is transferred to the bearing seat 822 by the semi-finished product grabbing part 812 of the domain controller, and the upper pressing component 823 acts to be pressed against the surface of the semi-finished product of the domain controller; the rear rotary driving member 821 drives the receiving seat 822 to rotate, so that the right side of the domain controller semi-finished product is upward, the support grabbing portion 813 places the corresponding right support 107 on the side surface of the domain controller semi-finished product, and then the right pressing component 825 acts to press the right support 107 against the side surface of the domain controller semi-finished product, so as to realize the pre-assembly of the two; the locking mechanism 83 completes the locking action of the pre-assembled right bracket 107 and the side face of the domain controller semi-finished product;

while the locking mechanism 83 is in operation, the six-axis robot 811 of the gripping and transferring mechanism 81 drives the domain controller semi-finished product gripping part 812 and the bracket gripping part 813 to move onto the jig 22; the bracket grabbing part 813 grabs the left bracket 106 on the clamping seat 221 corresponding to the 'bracket located area'; the rear drive moves to the positioning and pressing mechanism 82; the rotary driving member 821 of the positioning pressing mechanism 82 drives the receiving seat 822 to rotate, so that the left side of the domain controller semi-finished product faces upwards, the support grabbing portion 813 places the corresponding left support 106 on the side face of the domain controller semi-finished product, and then the left pressing assembly 824 acts to press the left support 106 against the side face of the domain controller semi-finished product, so as to achieve pre-assembly of the two; the locking mechanism 83 completes the locking action of the pre-assembled left bracket 106 and the side surface of the domain controller semi-finished product. In this way, the assembly of the domain controller semi-finished product with the left bracket 106 and the right bracket 107 is automatically realized.

The discharging conveying device 80 is further arranged on a conveying path of the grabbing and conveying mechanism 81, the grabbing and conveying mechanism 81 is used for conveying a semi-finished product, namely a formed domain controller, which is located on the positioning and pressing mechanism 82 and is provided with the left support 106 and the right support 107, to the discharging conveying device 80, and the discharging conveying device 80 is used for moving discharging. The blanking conveying mechanism can be of a common conveying line structure, and blanking is transmitted by a conveying line.

The present embodiment further provides a domain controller assembling method based on the above automatic assembling line, including the following steps:

a1, providing the automatic domain controller assembly line, and locking and fixing a fan on a middle frame;

a3, locking and fixing the circuit board on the middle frame;

In the step A3, the circuit board is locked and fixed on the middle frame; the method specifically comprises the steps that the adapter plate assembly is fixed on the middle frame, and the main board is locked and fixed on the middle frame; furthermore, the adapter plate assembly comprises an adapter plate and an adapter plate bracket; namely, the turned middle frame is sequentially assembled with the adapter plate and the adapter plate bracket; and then the main board is assembled on the middle frame.

Furthermore, after the adapter plate and the adapter plate bracket are assembled on the middle frame, the operation of coating the heat dissipation paste on the specific position of the middle frame is required; after the mainboard is assembled on the middle frame, the operation of coating the heat dissipation paste on the specific position of the mainboard is needed; therefore, the integral heat dissipation effect of the assembled domain controller is ensured.

Furthermore, the step of assembling the mainboard on the middle frame comprises two steps of pre-assembling the mainboard on the middle frame and manually completing the wiring connection of the mainboard and components such as a fan and the like.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An automatic assembly line of domain controller, characterized by: the device comprises a rack, wherein a transmission device is arranged on the rack and used for transmitting a middle frame, a fan, a circuit board, a bottom cover, a left support and a right support; a fan assembly device, a turnover middle frame device, a circuit board assembly device, a bottom cover assembly device and a support assembly device are sequentially arranged along the conveying path of the conveying device; the fan assembling device locks the fan on the middle frame; the middle frame overturning device grabs the middle frame positioned on the conveying device, and driving the turnover device to be placed on the transmission device again; the circuit board assembling device assembles the circuit board positioned on the transmission device on the overturned middle frame; the bottom cover assembling device covers the bottom cover assembly on the middle frame to form a domain controller semi-finished product; the bracket assembling device is used for respectively assembling the left bracket and the right bracket on two sides of the semi-finished product of the domain controller.

2. The domain controller automatic assembly line of claim 1, wherein: the circuit board assembly device comprises a switching board assembly device and a main board assembly device, and the switching board assembly device and the main board assembly device are sequentially arranged along a transmission path of the transmission device; the adapter plate assembly assembling device is used for sequentially assembling the adapter plate and the adapter plate bracket on the middle frame, and the main board assembling device is used for assembling the main board on the middle frame.

3. The domain controller automatic assembly line of claim 2, wherein: a first thermal paste coating device is arranged between the adapter plate assembly assembling device and the main board assembling device and coats thermal paste on the middle frame; and a second thermal paste coating device is also arranged between the mainboard assembling device and the bottom cover assembling device and is used for coating thermal paste on the mainboard.

4. A domain controller automatic assembly line according to claim 2, wherein: the adapter plate assembly assembling device comprises a first preassembly mechanism and a first locking mechanism, wherein the first preassembly mechanism sequentially grabs the adapter plate and the adapter plate support and preassembles the adapter plate and the adapter plate support on the overturned middle frame, and the first locking mechanism sequentially locks the adapter plate and the adapter plate support on the middle frame.

5. The domain controller automatic assembly line of claim 2, wherein: the mainboard assembling device comprises a second preassembly mechanism, wherein the second preassembly mechanism grabs the mainboard positioned on the transmission mechanism and is preassembled on the middle frame provided with the adapter plate.

6. The domain controller automatic assembly line of claim 2, wherein: the transmission device is a transmission line which is distributed in parallel up and down, and a jig is arranged on the transmission line for placing a middle frame, a fan, a switching plate bracket, a main plate, a bottom cover, a left bracket and a right bracket; and the head ends and the tail ends of the two conveying lines are provided with lifting platforms so as to drive the jig to flow back between the two conveying lines.

7. The domain controller automatic assembly line of claim 6, wherein: the jig is provided with a plurality of clamping seats for limiting the middle frame, the fan, the adapter plate support, the main board, the bottom cover, the left support and the right support in a clamping mode respectively.

8. The domain controller automatic assembly line of claim 1, wherein: the bottom cover assembling device comprises a third preassembly mechanism and a second locking mechanism, the third preassembly mechanism grabs the bottom cover and is assembled on the domain controller semi-finished product, and the second locking mechanism locks the bottom cover on the domain controller semi-finished product.

9. A domain controller automatic assembly line according to claim 1, wherein: the bracket assembling device comprises a grabbing and transferring mechanism, a positioning and pressing mechanism and a locking mechanism, wherein the grabbing and transferring mechanism grabs the domain controller semi-finished product, the left bracket and the right bracket which are positioned on the transmission device and transfers the domain controller semi-finished product, the left bracket and the right bracket to the positioning and pressing mechanism; the positioning and compressing mechanism comprises a rotary driving piece and a bearing seat connected with the output end of the rotary driving piece, the bearing seat is used for placing a domain controller semi-finished product, an upper compressing assembly, a left compressing assembly and a right compressing assembly are respectively connected above and on two sides of the bearing seat so as to be respectively compressed on the top surface of the domain controller semi-finished product when the domain controller semi-finished product is placed on the bearing seat, and a left bracket and a right bracket are respectively compressed on the side surface of the domain controller semi-finished product; and the locking mechanism is positioned above the positioning and pressing mechanism so as to lock and fix the left bracket on one side surface of the semi-finished product of the domain controller and lock and fix the right bracket on the other side surface of the semi-finished product of the domain controller.

10. A domain controller automatic assembly line according to claim 1, wherein: the turnover middle frame device comprises an X-axis transfer driving assembly, a Y-axis transfer driving assembly, a Z-axis lifting driving assembly and a clamping turnover tool; the clamping and overturning work is clamped at two sides of the middle frame and drives the middle frame to overturn for 180 degrees; the output end of the Y-axis transfer driving assembly is connected with the X-axis transfer driving assembly, the driving end of the X-axis transfer driving assembly is connected with the Z-axis lifting driving assembly, and the output end of the Z-axis lifting driving assembly is connected with the clamping and overturning tool so as to drive the clamping and overturning tool to move on the X axis, the Y axis and the Z axis; the clamping and overturning tool comprises an installation seat, a first clamping part and a second clamping part, wherein the first clamping part and the second clamping part are fixedly arranged on two sides of the installation seat, and are oppositely arranged so as to be clamped on two sides of the middle frame; the first clamping part comprises a rotary driving part, a first transmission assembly and a first clamping arm, and the rotary driving part is in transmission connection with the first clamping arm through the first transmission assembly; the second clamping part comprises a second transmission assembly and a second clamping arm, the second transmission assembly is connected with the first transmission assembly through a rotating shaft and transmits to the second clamping arm, and therefore the second clamping arm and the first clamping arm rotate synchronously.

11. A domain controller assembly method, characterized by: the method comprises the following steps:

a1, providing an automatic assembly line of the domain controller of any one of claims 1 to 10, and locking and fixing the fan on the middle frame;

a3, locking and fixing the circuit board on the middle frame;