CN219275002U - Automatic assembling equipment for positive and negative electrode springs of PCBA (printed circuit board assembly) main board - Google Patents
Automatic assembling equipment for positive and negative electrode springs of PCBA (printed circuit board assembly) main board Download PDFInfo
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- CN219275002U CN219275002U CN202120663353.5U CN202120663353U CN219275002U CN 219275002 U CN219275002 U CN 219275002U CN 202120663353 U CN202120663353 U CN 202120663353U CN 219275002 U CN219275002 U CN 219275002U
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Abstract
The utility model discloses automatic assembling equipment for positive and negative connecting springs of a PCBA main board, and relates to the technical field of product assembling. The device comprises a main board positioning device, a spring compression device, a shell positioning device, a carrying device and a spring blocking device arranged on the carrying device, wherein the main board positioning device is used for positioning a PCBA main board; the shell positioning device is used for positioning the shell, and the carrying device is used for carrying the PCBA main board positioned on the main board positioning device to the shell on the shell positioning device; the spring compression device is used for compressing the positive and negative electrode springs into a containing structure of the carrying device before carrying the PCBA main board, and the spring blocking device is used for blocking the positive and negative electrode springs positioned in the containing structure; after the PCBA main board is transported in place, the spring blocking device releases the blocking of the positive and negative connecting pole springs, and the positive and negative connecting pole springs are automatically released into the shell. The automatic assembling equipment for the positive and negative connecting springs of the PCBA main board solves the technical problem of automatic assembling of the positive and negative connecting springs on the PCBA main board and the shell.
Description
Technical Field
The utility model relates to the technical field of product assembly, in particular to automatic assembly equipment for positive and negative connecting springs of a PCBA main board.
Background
With the development of society and economy, the living standard of people is gradually improved, and the application of electronic products in the lives of people is also becoming wider and wider. In the process of producing electronic products, various assembly processes are required, and the smooth assembly of the PCBA main board into the shell of the product is a core assembly process.
However, some PCBA mainboards of electronic products are provided with positive and negative electrode springs, such as remote controllers and game handles, and the positive and negative electrode springs cannot be assembled into a shell of the product through automatic equipment at present, and the positive and negative electrode springs can be assembled manually only.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides automatic equipment for assembling positive and negative connecting pole springs of a PCBA main board, which solves the technical problem of automatic assembly of the positive and negative connecting pole springs on the PCBA main board and a shell.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the automatic assembling equipment for the positive and negative connecting springs of the PCBA main board comprises a main board positioning device, a spring compression device, a shell positioning device, a carrying device and a spring blocking device arranged on the carrying device, wherein the main board positioning device is used for positioning the PCBA main board; the shell positioning device is used for positioning a shell, and the carrying device is used for carrying the PCBA main board positioned on the main board positioning device to the shell on the shell positioning device; the spring compression device is used for compressing the positive and negative electrode springs into a containing structure of the carrying device before carrying the PCBA main board, and the spring blocking device is used for blocking the positive and negative electrode springs positioned in the containing structure; after the PCBA main board is moved in place, the spring blocking device releases the blocking of the positive and negative connecting pole springs, and the positive and negative connecting pole springs are automatically released into the shell.
The main board positioning device comprises a mounting seat and a main board positioning seat arranged on the mounting seat, wherein the main board positioning seat is provided with a main board positioning groove matched with the PCBA main board, and the bottom of the main board positioning groove is provided with an avoidance through hole for avoiding the positive and negative electrode springs.
The spring compression device comprises a first driving mechanism arranged on the mounting seat and a spring compression piece arranged on the first driving mechanism, and the first driving mechanism is used for driving the spring compression piece to reciprocate in a linear mode.
The spring compression piece comprises a connecting portion, a compression portion and a guide portion which are fixedly connected, wherein the connecting portion is connected to the first driving mechanism, the compression portion and the guide portion are located in the avoidance through hole, the guide portion is used for guiding the positive and negative connecting electrode springs, and the compression portion is used for compressing the positive and negative connecting electrode springs.
The carrying device comprises a frame, a driving device arranged on the frame, a material taking seat arranged on the driving device and a material taking head arranged on the material taking seat, wherein the driving device is used for driving the material taking seat to move, and the material taking head is used for picking up the PCBA main board.
The storage structure comprises a blocking piece arranged on the side part of the material taking seat, and a storage groove is formed in the blocking piece and used for storing the compressed positive and negative connecting springs.
The spring blocking device comprises a second driving mechanism and two blocking claws, wherein the second driving mechanism is arranged on the material taking seat, the two blocking claws are arranged on the second driving mechanism and are positioned on the opening side of the containing groove, the second driving mechanism is used for driving the two blocking claws to do approaching or far away movement, and the two blocking claws are used for blocking or unblocking positive and negative connecting electrode springs positioned in the containing groove.
The conveying device further comprises a material pressing mechanism, the material pressing mechanism comprises a third driving mechanism and a material pressing piece, the third driving mechanism is arranged on the material taking seat, the material pressing piece is arranged on the third driving mechanism, the third driving mechanism is used for driving the material pressing piece to reciprocate in a linear mode, and the material pressing piece is used for pressing or loosening the PCBA main board.
The driving device comprises a fourth driving mechanism arranged on the frame, a fifth driving mechanism arranged on the fourth driving mechanism and a sixth driving mechanism arranged on the fifth driving mechanism, the material taking seat is arranged on the sixth driving mechanism, the fourth driving mechanism is used for driving the fifth driving mechanism, the sixth driving mechanism and the material taking seat to horizontally move, the fifth driving mechanism is used for driving the sixth driving mechanism and the material taking seat to vertically move, and the sixth driving mechanism is used for driving the material taking seat to rotate.
The shell positioning device comprises a jacking platform, a shell positioning seat arranged on the jacking platform and a jacking mechanism arranged in the jacking platform, wherein limiting structures are respectively arranged on two opposite sides of the jacking platform, and the jacking end of the jacking mechanism penetrates through the jacking platform to be matched with the two limiting structures to fix the shell positioning seat.
By adopting the technical scheme, the utility model has the beneficial effects that:
the automatic assembly equipment for the positive and negative connecting pole springs of the PCBA main board provided by the utility model has the advantages that the PCBA main board is positioned through the main board positioning device, the shell is positioned through the shell positioning device, the PCBA main board on the main board positioning device is conveyed to the shell on the shell positioning device through the conveying device, before the PCBA main board is conveyed, the positive and negative connecting pole springs are compressed into the containing structure of the conveying device through the spring compression device, the positive and negative connecting pole springs in the containing structure are blocked through the spring blocking device, after the PCBA main board is conveyed in place, the blocking of the positive and negative connecting pole springs is released through the spring blocking device, and the positive and negative connecting pole springs are automatically released into the shell to complete the automatic assembly of the positive and negative connecting pole springs and the shell.
Drawings
FIG. 1 is a schematic diagram of the automatic assembly equipment for positive and negative connecting springs of a PCBA main board of the utility model;
FIG. 2 is an exploded view of the product positioning device of FIG. 1;
FIG. 3 is a schematic view of the handling device of FIG. 1 with a pick-up head engaged with a spring blocking device to pick up a PCBA motherboard;
FIG. 4 is a schematic view of the other side of FIG. 3;
FIG. 5 is a schematic view of the pick-up head and spring blocking device of the handling device of FIG. 1 not picking up a PCBA motherboard;
FIG. 6 is a schematic view of the housing positioning apparatus of FIG. 1;
FIG. 7 is a schematic view of the other side of FIG. 6;
fig. 8 is an enlarged view of a portion a in fig. 6;
in the figure: 10-PCBA motherboard, 101-positive and negative connecting spring, 102-locating hole 102, 20-motherboard locating device, 201-mount pad, 202-motherboard locating pad, 2021-motherboard locating slot, 2022-avoidance through hole, 2023-locating pin, 30-spring compression device, 301-first driving mechanism, 302-spring compression piece, 3021-connecting portion, 3022-compression portion, 3023-guide portion, 40-housing, 401-spring cap, 501-rack, 5011-bottom plate, 5012-support column, 502-driving device, 5021-fourth driving mechanism, 5022-fifth driving mechanism, 5023-sixth driving mechanism, 503-material taking pad, 504-material taking head, 505-blocking piece, 5051-storage slot, 506-third driving mechanism, 507-material pressing piece, 60-spring blocking device, 601-second driving mechanism, 602-claw, 80-housing locating device, 801-jacking platform, 8011-connecting plate, 2-limiting plate, 3-sliding sleeve, 802-housing locating seat, 8021-housing, 803-lifting device, 8032-8033-driving mechanism, 8033-lifting guide post, 8032-driving mechanism, 8033-lifting mechanism, 8032-lifting guide post.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 8 together, the automatic assembly equipment for positive and negative connecting springs of a PCBA main board is used for assembling the PCBA main board 10 with positive and negative connecting springs 101, and comprises a main board positioning device 20, a spring compression device 30, a shell positioning device 80, a carrying device and a spring blocking device 60 arranged on the carrying device, wherein the main board positioning device 20 is used for positioning the PCBA main board 10; the housing positioning device 80 is used for positioning the housing 40, and the carrying device is used for carrying the PCBA motherboard 10 positioned on the motherboard positioning device 20 onto the housing 40 positioned on the housing positioning device 80; the spring compressing device 30 is used for compressing the positive and negative electrode springs 101 into a containing structure of the carrying device before carrying the PCBA main board 10, and the spring blocking device 60 is used for blocking the positive and negative electrode springs 101 positioned in the containing structure; after the PCBA main board 10 is carried in place, the spring blocking device 60 releases the blocking of the positive and negative electrode springs 101, and the positive and negative electrode springs 101 are automatically released into the spring cap 401 of the housing 40.
Wherein, the main board positioning device 20 includes a mounting seat 201 and a main board positioning seat 202 arranged on the mounting seat 201, the main board positioning seat 202 is provided with a main board positioning groove 2021 adapted to the PCBA main board 10, and the bottom of the main board positioning groove 2021 is provided with an avoidance through hole 2022 for avoiding the positive and negative electrode springs 101. When the PCBA motherboard 10 is mounted in the motherboard locating slot 2021, the positive and negative link springs 101 are located in the relief through holes 2022.
In order to further improve the positioning accuracy of the PCBA motherboard 10, in this embodiment, two positioning pins 2023 are disposed at the bottom of the motherboard positioning groove 2021, and the two positioning pins 2023 are adapted to two positioning holes 102 on the PCBA motherboard 10.
The spring compressing apparatus 30 includes a first driving mechanism 301 provided on the mount 201, and a spring compressing member 302 provided on the first driving mechanism 301, the first driving mechanism 301 being configured to drive the spring compressing member 302 to reciprocate linearly.
Specifically, the spring compression member 302 includes a connection portion 3021, a compression portion 3022, and a guide portion 3023 that are fixedly connected, where the connection portion 3021 is connected to the first driving mechanism 301, the compression portion 3022 and the guide portion 3023 are located in the avoidance through hole 2022, the guide portion 3023 is used for guiding the positive and negative electrode springs 101, and the compression portion 3022 is used for compressing the positive and negative electrode springs 101. With the above structure, the positive and negative electrode springs 101 can be ensured to be accurately compressed into the storage structure of the conveying device.
The handling device in this embodiment includes a frame 501, a driving device 502 disposed on the frame 501, a material taking seat 503 disposed on the driving device 502, and a material taking head 504 disposed on the material taking seat 503, where the driving device 502 is used to drive the material taking seat 503 to move, and the material taking head 504 is used to pick up the PCBA motherboard 10.
In order to ensure stability when the PCBA motherboard 10 is handled, two pick heads 504 are disposed on the pick-out base 503 at intervals in this embodiment.
Because the vacuum chuck has the advantage of being pollution-free and not damaging the workpiece, the stub bar 504 is preferably a vacuum chuck in this embodiment.
The storage structure in this embodiment includes a blocking member 505 disposed on a side of the material taking seat 503, and a storage groove 5051 is provided on the blocking member 505, and the compressed positive and negative electrode springs 101 are stored through the storage groove 5051.
The spring blocking device 60 in this embodiment includes a second driving mechanism 601 and two blocking pawls 602, the second driving mechanism 601 is disposed on the material taking seat 503, the two blocking pawls 602 are disposed on the second driving mechanism 601, and the two blocking pawls 602 are located at the opening side of the receiving slot 5051, the second driving mechanism 601 is used for driving the two blocking pawls 602 to move towards or away from, and the two blocking pawls 602 are used for blocking or unblocking the positive and negative electrode springs 101 located in the receiving slot 5051.
By providing two catches 602, one is to facilitate extraction of the compression portion 3022 and the guide portion 3023 of the spring compression member 302 from between the two catches 602; secondly, the compression of the two sides of the positive and negative connecting electrode springs 101 is balanced, the protrusion of one side of the positive and negative connecting electrode springs 101 is prevented from interfering the installation of the PCBA main board 10 and the shell 40, and the installation efficiency and the installation accuracy of the PCBA main board 10 are improved. In practical use, the specific structure of the pawl 602 can be designed or selected according to practical requirements, which is not limited in this embodiment.
After the carrying device carries the PCBA motherboard 10 into the housing 40, in order to prevent the carrying device from carrying the PCBA motherboard 10 up when lifting, the embodiment further provides a pressing mechanism on the material taking seat 503, where the pressing mechanism includes a third driving mechanism 506 and a pressing member 507, the third driving mechanism 506 is disposed on the material taking seat 503, the pressing member 507 is disposed on the third driving mechanism 506, the third driving mechanism 506 is used to drive the pressing member 507 to reciprocate in a linear manner, and the pressing member 507 is used to press or loosen the PCBA motherboard 10.
In order to prevent the PCBA motherboard 10 from being biased, in this embodiment, two pressing members 507 are preferably disposed at intervals, and correspondingly, two third driving mechanisms 506 are also disposed; in order to avoid crush injury to the PCBA motherboard 10, the material pressing member 507 is preferably made of silica gel in this embodiment.
The driving device 502 in this embodiment includes a fourth driving mechanism 5021 disposed on the frame 501, a fifth driving mechanism 5022 disposed on the fourth driving mechanism 5021, and a sixth driving mechanism 5023 disposed on the fifth driving mechanism 5022, and the material taking seat 503 is disposed on the sixth driving mechanism 5023, and in use, the fourth driving mechanism 5021 drives the fifth driving mechanism 5022, the sixth driving mechanism 5023, and the material taking seat 503 to horizontally move, and the fifth driving mechanism 5022 drives the sixth driving mechanism 5023 and the material taking seat 503 to vertically move, and the sixth driving mechanism 5023 drives the material taking seat 5024 to rotationally move. With the above structure, the flexibility of the handling device and the accuracy of assembling the positive and negative electrode springs 101 with the housing 40 are improved.
The rack 501 in this embodiment includes a bottom board 5011 and two support columns 5012 arranged on the bottom board 5011 at intervals, and a fourth driving mechanism 5021 is arranged on the two support columns 5012, and the mount 201 of the motherboard positioning device 20 is arranged on the bottom board 5011.
The housing positioning device 80 in this embodiment includes a lifting platform 801 disposed on a bottom plate 5011, a housing positioning seat 802 disposed on the lifting platform 801, and a lifting mechanism 803 disposed in the lifting platform 801, wherein two opposite sides of the lifting platform 801 are respectively provided with a limiting structure, and a lifting end of the lifting mechanism 803 passes through the lifting platform 801 to cooperate with the two limiting structures to fix the housing positioning seat 802.
The housing positioning seat 802 in this embodiment has a housing positioning groove 8021 adapted to the housing 40.
Opposite sides of the lifting platform 801 in this embodiment are respectively connected with an inwardly extending limiting plate 8012 through a connecting plate 8011, and the limiting plate 8012 forms a limiting structure.
The jacking mechanism 803 in the embodiment comprises a seventh driving mechanism 8031 arranged on a jacking platform 801, a jacking column 8032 arranged on the seventh driving mechanism 8031 in a sliding manner, and an elastic piece 8033 arranged between the seventh driving mechanism 8031 and the jacking column 8032, wherein the jacking platform 801 is provided with a sliding sleeve 8013 matched with the jacking column 8032, the jacking column 8032 is positioned in the sliding sleeve 8011, and when the jacking mechanism 8032 is used, the seventh driving mechanism 8031 drives the jacking column 8032 to move up and down, and the jacking column 8032 drives the shell positioning seat 802 to move up and down, in the process, the elastic piece 8033 enables the jacking mechanism 803 to have buffering performance, so that rigid collision between the shell positioning seat 802 and two limiting plates 8012 is avoided, and the service life of each part is prolonged.
Since the spring has a good expansion and contraction performance, the elastic member 8033 in this embodiment is preferably a spring.
In order to ensure the linearity of the movement of the housing positioning seat 802 during the jacking process, the jacking guiding mechanism is further provided in the jacking platform 801 in this embodiment, and the jacking guiding mechanism includes two guiding columns 805 slidably provided on the jacking platform 801, the two guiding columns 805 are respectively driven by a corresponding eighth driving mechanism 804, and the two guiding columns 805 are located between two limiting plates 8012 and located on opposite sides of the housing positioning seat 802.
Because the air cylinder has the advantages of simple structure and convenient use, the first driving mechanism 301, the second driving mechanism 601, the third driving mechanism 506, the fourth driving mechanism 5021, the fifth driving mechanism 5022, the sixth driving mechanism 5023, the seventh driving mechanism 8031 and the eighth driving mechanism 804 in the embodiment are all preferably air cylinders, and in actual use, an electric cylinder or a hydraulic cylinder can be adopted, which is specifically selected according to actual requirements, and the embodiment is not limited to this.
When in use, the PCBA main board 10 is positioned by the main board positioning seat 202, the shell 40 is positioned by the shell positioning seat 802, and the PCBA main board 10 on the main board positioning seat 202 is conveyed to the shell 40 on the shell positioning seat 802 by the conveying device.
Before the PCBA main board 10 is carried, the spring compression piece 302 is driven by the first driving mechanism 301 to compress the positive and negative electrode springs 101 into the storage groove 5051 of the blocking piece 505, after the positive and negative electrode springs 101 are compressed into the storage groove 5051 of the blocking piece 505, the two blocking claws 602 are driven by the second driving mechanism 601 to block the positive and negative electrode springs 101 positioned in the storage groove 5051, after the PCBA main board 10 is carried in place, the blocking of the positive and negative electrode springs 101 is relieved by the two blocking claws 602 driven by the second driving mechanism 601, and at the moment, the positive and negative electrode springs 101 are automatically released into the spring cap 401 of the shell 40, and the assembly of the positive and negative electrode springs 101 and the shell 40 is completed.
The automatic assembling equipment for the positive and negative connecting springs of the PCBA main board solves the technical problem of automatic assembly of the positive and negative connecting springs 101 on the PCBA main board 10 and the shell 40, realizes automatic assembly of the positive and negative connecting springs 101 and the shell 40, reduces labor intensity and production cost, improves working efficiency and meets production line requirements.
The present utility model is not limited to the above-described specific embodiments, and various modifications may be made by those skilled in the art without performing any inventive work from the above-described concepts, and thus fall within the scope of the present utility model.
Claims (10)
- The automatic assembling equipment for the positive and negative connecting pole springs of the PCBA main board is characterized by comprising a main board positioning device, a spring compression device, a shell positioning device, a carrying device and a spring blocking device arranged on the carrying device,the main board positioning device is used for positioning the PCBA main board; the shell positioning device is used for positioning a shell, and the carrying device is used for carrying the PCBA main board positioned on the main board positioning device to the shell on the shell positioning device;the spring compression device is used for compressing the positive and negative electrode springs into a containing structure of the carrying device before carrying the PCBA main board, and the spring blocking device is used for blocking the positive and negative electrode springs positioned in the containing structure; after the PCBA main board is moved in place, the spring blocking device releases the blocking of the positive and negative connecting pole springs, and the positive and negative connecting pole springs are automatically released into the shell.
- 2. The automatic assembly equipment for positive and negative connecting pole springs of a PCBA main board according to claim 1, wherein the main board positioning device comprises a mounting seat and a main board positioning seat arranged on the mounting seat, the main board positioning seat is provided with a main board positioning groove matched with the PCBA main board, and the bottom of the main board positioning groove is provided with an avoidance through hole for avoiding the positive and negative connecting pole springs.
- 3. The automatic PCBA motherboard positive and negative electrode spring assembly apparatus according to claim 2, wherein the spring compression device comprises a first driving mechanism disposed on the mounting base, and a spring compression member disposed on the first driving mechanism, the first driving mechanism being configured to drive the spring compression member to reciprocate in a linear motion.
- 4. The automatic PCBA motherboard positive and negative electrode spring assembling apparatus according to claim 3, wherein the spring compression member comprises a fixedly connected connection portion, a compression portion, and a guide portion, the connection portion is connected to the first driving mechanism, the compression portion and the guide portion are located in the avoidance through hole, the guide portion is used for guiding the positive and negative electrode springs, and the compression portion is used for compressing the positive and negative electrode springs.
- 5. The automatic assembly equipment for positive and negative connecting springs of a PCBA main board according to claim 1, wherein the carrying device comprises a frame, a driving device arranged on the frame, a material taking seat arranged on the driving device, and a material taking head arranged on the material taking seat, the driving device is used for driving the material taking seat to move, and the material taking head is used for picking up the PCBA main board.
- 6. The automatic PCBA motherboard positive and negative electrode spring assembling apparatus according to claim 5, wherein the housing structure includes a blocking member disposed at a side portion of the material taking seat, and a housing groove is disposed on the blocking member, and the housing groove is used for housing the compressed positive and negative electrode spring.
- 7. The automatic PCBA motherboard positive and negative electrode spring assembling apparatus according to claim 6, wherein the spring blocking device comprises a second driving mechanism and two blocking claws, the second driving mechanism is disposed on the material taking seat, the two blocking claws are disposed on the second driving mechanism, and the two blocking claws are located at an opening side of the storage groove, the second driving mechanism is used for driving the two blocking claws to make approaching or moving away, and the two blocking claws are used for blocking or unblocking the positive and negative electrode spring located in the storage groove.
- 8. The automatic PCBA motherboard positive and negative electrode spring assembling apparatus according to claim 5, wherein the handling device further comprises a pressing mechanism, the pressing mechanism comprises a third driving mechanism and a pressing member, the third driving mechanism is disposed on the material taking seat, the pressing member is disposed on the third driving mechanism, the third driving mechanism is used for driving the pressing member to reciprocate in a linear manner, and the pressing member is used for pressing or loosening the PCBA motherboard.
- 9. The automatic PCBA motherboard positive and negative spring assembly apparatus according to claim 5, wherein the driving device comprises a fourth driving mechanism disposed on the frame, a fifth driving mechanism disposed on the fourth driving mechanism, and a sixth driving mechanism disposed on the fifth driving mechanism, the pick-up base being disposed on the sixth driving mechanism, the fourth driving mechanism being configured to drive the fifth driving mechanism, the sixth driving mechanism, and the pick-up base for horizontal movement, the fifth driving mechanism being configured to drive the sixth driving mechanism and the pick-up base for vertical movement, and the sixth driving mechanism being configured to drive the pick-up base for rotational movement.
- 10. The automatic PCBA motherboard positive and negative electrode spring assembling device according to claim 1, wherein the housing positioning device comprises a jacking platform, a housing positioning seat arranged on the jacking platform, and a jacking mechanism arranged in the jacking platform, wherein limiting structures are respectively arranged on two opposite sides of the jacking platform, and a jacking end of the jacking mechanism penetrates through the jacking platform to be matched with the two limiting structures to fix the housing positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663353.5U CN219275002U (en) | 2021-03-31 | 2021-03-31 | Automatic assembling equipment for positive and negative electrode springs of PCBA (printed circuit board assembly) main board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120663353.5U CN219275002U (en) | 2021-03-31 | 2021-03-31 | Automatic assembling equipment for positive and negative electrode springs of PCBA (printed circuit board assembly) main board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219275002U true CN219275002U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120663353.5U Active CN219275002U (en) | 2021-03-31 | 2021-03-31 | Automatic assembling equipment for positive and negative electrode springs of PCBA (printed circuit board assembly) main board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219275002U (en) |
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2021
- 2021-03-31 CN CN202120663353.5U patent/CN219275002U/en active Active
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