CN210393021U - Multilayer variable pitch material supporting rail - Google Patents
Multilayer variable pitch material supporting rail Download PDFInfo
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- CN210393021U CN210393021U CN201920897272.4U CN201920897272U CN210393021U CN 210393021 U CN210393021 U CN 210393021U CN 201920897272 U CN201920897272 U CN 201920897272U CN 210393021 U CN210393021 U CN 210393021U
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Abstract
The utility model belongs to the technical field of semiconductor packaging production, in particular to a multilayer variable pitch material supporting track, which comprises a material supporting track frame, a plurality of material supporting tracks, a pitch block, a material supporting track slider, a material supporting track guide rail, a material supporting track servo motor, a material supporting track screw rod and a screw rod slider, the left side and the right side of the material supporting track frame are provided with material supporting track guide rails and are fixedly connected, the back of each material supporting track is fixedly provided with two material supporting track sliding blocks, the material supporting track sliding blocks are slidably connected with the material supporting track guide rails, two pitch blocks are arranged between the material supporting track sliding blocks and are used for adjusting pitches, the pitch blocks are fixedly connected with the material supporting tracks, the pitch blocks which are adjacent from top to bottom are arranged in a staggered mode, a material supporting track servo motor is connected with a material supporting track screw rod through a coupler, the material supporting track screw rod is in threaded connection with a screw rod sliding block, and the screw rod sliding block is fixedly connected with the material supporting track at the bottom end. The utility model discloses replace artifical transport, improved production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the semiconductor package production, concretely relates to multilayer variable pitch holds in palm material track.
Background
In the packaging production process of the semiconductor chip, a process flow is that the chip is embedded into a test board (flitch) and is conveyed into an oven for baking and curing, the oven is of a 32-layer structure, the oven can be loaded into 32 test boards, an automatic loading and unloading trolley butted with the oven is provided with 32 layers of goods channels, the pitch of the goods channels is equal to that of the goods channels of the oven, the chip is conveyed to an automatic production platform by a trolley after being baked to carry out the next process flow, the feeding pitch of the automatic production platform is smaller than that of the goods channels of the oven, so that the trolley with the same feeding pitch as that of the automatic production platform is required to feed the automatic production platform, the baked flitch needs to be manually conveyed to the trolley from the automatic loading and unloading trolley, and then the trolley is butted with the automatic production platform for feeding, thus, manual transfer is adopted, time is wasted, and the flitch is easy to cause collision and pollution during transportation, therefore, a variable pitch material supporting track is urgently needed for butting the automatic loading and unloading trolley and the trolley so as to meet the requirements on different pitches.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multilayer variable pitch holds in palm material track to solve not enough among the above-mentioned background art, thereby no longer need carry out artifical transport, also can not the direct contact flitch, cause pollution or damage to the flitch, also can improve production efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: a multi-layer variable-pitch material supporting track comprises a material supporting track frame, a plurality of material supporting tracks, a pitch block, a material supporting track sliding block, a material supporting track guide rail, a material supporting track servo motor, a material supporting track screw rod and a screw rod sliding block, the left side and the right side of the material supporting track frame are provided with material supporting track guide rails and are fixedly connected, the back of each material supporting track is fixedly provided with two material supporting track sliding blocks, the material supporting track sliding blocks are slidably connected with the material supporting track guide rails, two pitch blocks are arranged between the material supporting track sliding blocks and are used for adjusting pitches, the pitch blocks are fixedly connected with the material supporting tracks, the pitch blocks which are adjacent up and down are arranged in a staggered mode, a material supporting track servo motor is connected with a material supporting track screw rod through a coupler, the material supporting track screw rod is in threaded connection with the screw rod sliding blocks, the screw rod sliding blocks are fixedly connected with the material supporting tracks at the bottom ends, and the material supporting tracks at the top ends are fixedly connected with the material supporting track.
Furthermore, the pitch block is square, two bolt holes are formed in the pitch block, the pitch block is fixedly connected with the material supporting rail through bolts, and grooves are formed in the lower end of the pitch block.
Further, hold in the palm the material rail for the panel beating structure of bending, hold in the palm the material rail and be provided with hem and hem down, go up the hem and be opposite direction with the hem direction of hem down, the length that holds in the palm the material rail equals with the length of flitch, goes up the hem setting and reciprocates along the height of recess in the recess, and the distance that holds in the palm the material rail and reciprocate has been decided to the height of recess, and lower hem is used for loading and unloading the flitch and holds in the palm the flitch, and two relative holding in the palm the material rails of level constitute one deck storage goods way.
Further, still include photoelectric switch, photoelectric switch is used for fixing a position and spacing to the lead screw slider, and photoelectric switch sets up in one side of lead screw slider and through photoelectric switch stationary blade fixed connection in holding in the palm material track frame.
Further, the material supporting track frame is of an aluminum alloy profile structure.
The utility model has the advantages that: the utility model discloses can change the pitch that the multilayer held in the palm the material rail, hold in the palm the material rail through holding in the palm material track servo motor, holding in the palm material track lead screw and lead screw slider drive bottom and go up and down, compress or stretch, can change the pitch of holding in the palm between the material rail, set up the recess of co-altitude not and can obtain different pitches, replace artifical transport, realize loading and unloading automation in semiconductor flitch loading and unloading production process, saved manpower and time cost greatly, improved production efficiency.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of the pitch block of the present invention;
fig. 3 is a cross-sectional view at C-C of the present invention;
fig. 4 is a front view of a transfer station according to an embodiment of the present invention;
fig. 5 is a right side view of the transfer station according to the embodiment of the present invention;
fig. 6 is a three-view diagram of the material pushing and pulling mechanism in the embodiment of the present invention;
fig. 7 is a cross-sectional view taken along line a-a of the present invention;
FIG. 8 is a cross-sectional view taken at B-B of the present invention;
fig. 9 is a schematic view of the embodiment of the present invention in docking with an auto-loading/unloading cart and a hand truck.
In the figure: 1 frame, 1.1 transfer channel, 1.2 battery storage part, 1.3 control part, 2 material supporting track mechanism, 2.1 material supporting track frame, 2.2 material supporting track, 2.21 upper folded edge, 2.22 lower folded edge, 2.3 pitch block, 2.31 groove, 2.32 bolt hole, 2.4 material supporting track slide block, 2.5 material supporting track guide rail, 2.6 material supporting track servo motor, 2.7 material supporting track screw rod, 2.8 screw rod slide block, 2.9 photoelectric switch, 3 lifting mechanism, 3.1 lifting mechanism servo motor, 3.2 lifting mechanism belt wheel transmission component, 3.3 lifting mechanism screw rod nut transmission component, 4 material pushing and pulling mechanism, 4.1 material pushing and pulling rack, 4.2 material pushing and pulling gear, 4.3 material pushing and pulling roller, 4.4 material pushing and pulling servo motor, 4.5 pushing and pulling wheel transmission component, 4.6 synchronous shaft, 4.7 hanging plate, 4.8 material pulling plate, 5 slide block, 5.5 slide rail, 5 servo motor, and avoidance avoiding motor, 5.5 dodge synchronizing shaft, 5.6 dodge rack rail, 5.7 dodge gyro wheel track, 6 master control set, 7 touch panel, 8 lift slide rails, 9 push-pull material track, 9.1 rack rail, 9.2 gyro wheel track, 10 battery compartment, 11 interfacing apparatus, 12 push rod cylinder, 13 shallow, 14 auto-control handling dolly, 15 flitch.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, combine the embodiment below, it is right the utility model discloses further detailed description proceeds. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be understood that in the description of the present invention, the terms "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention, but do not require the present invention to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, in this embodiment, a multi-layer variable pitch material supporting track is provided, which can change the pitch of the multi-layer material supporting track, and by lifting, compressing or stretching the material supporting track 2.2 at the bottom layer, the distance between the material supporting tracks 2.2 can be changed, and different pitches can be obtained by setting the grooves 2.31 with different heights, specifically, the material supporting track comprises a material supporting track frame 2.1, a plurality of material supporting tracks 2.2, pitch blocks 2.3, material supporting track sliders 2.4, material supporting track guide rails 2.5, a material supporting track servo motor 2.6, a material supporting track screw 2.7 and a screw slider 2.8, wherein the left and right sides of the material supporting track frame 2.1 are provided with material supporting track guide rails 2.5 and fixedly connected, the back of each material supporting track 2.2 is fixedly provided with two material supporting track sliders 2.4, the material supporting track sliders 2.4 are slidably connected with the material supporting track guide rails 2.5, and two pitch blocks 2.3 are provided between the material supporting track sliders 2.4, the pitch block 2.3 is used for adjusting the pitch, the pitch block 2.3 is fixedly connected with the material supporting rail 2.2, the pitch blocks 2.3 adjacent up and down are arranged in a staggered mode, the material supporting rail servo motor 2.6 is connected with the material supporting rail screw rod 2.7 through a coupler, the material supporting rail screw rod 2.7 is in threaded connection with the screw rod sliding block 2.8, the screw rod sliding block 2.8 is fixedly connected with the material supporting rail 2.2 at the bottom end, and the material supporting rail 2.2 at the top end is fixedly connected with the material supporting rail frame 2.1.
In this embodiment, the pitch block 2.3 is a square block, the pitch block 2.3 is provided with two bolt holes 2.32, the pitch block 2.3 is fixedly connected with the material supporting rail 2.2 through bolts, and the lower end of the pitch block 2.3 is provided with a groove 2.31.
In this embodiment, ask material rail 2.2 to be the sheet metal structure of bending, ask material rail 2.2 to be provided with hem 2.21 and hem 2.22 down, the hem direction of going up hem 2.21 and hem 2.22 down is opposite direction, ask the length of material rail 2.2 to be equal with flitch 15's length, go up hem 2.21 and set up and reciprocate along the height of recess 2.31 in recess 2.31, the height of recess 2.31 has decided the distance that asks material rail 2.2 reciprocates, hem 2.22 down is used for loading and unloading flitch 15 and holds flitch 15, two that the level is relative ask material rail 2.2 to constitute one deck storage goods way.
In this embodiment, still include photoelectric switch 2.9, photoelectric switch 2.9 is used for fixing a position and spacing to lead screw slider 2.8, and photoelectric switch 2.9 sets up in one side of lead screw slider 2.8 and through photoelectric switch stationary blade fixed connection in holding in the palm material track frame 2.1.
In this embodiment, the material supporting rail frame 2.1 is an aluminum alloy profile structure.
In this embodiment, the material supporting track servo motor 2.6, the material supporting track screw rod 2.7 and the screw rod sliding block 2.8 can also be installed above the material supporting track frame 2.1, the material supporting track 2.2 at the bottommost part is fixed on the material supporting track frame 2.1, and the material supporting track 2.2 at the topmost part is fixedly connected with the screw rod sliding block 2.8, so that the material supporting track servo motor stretches laterally upwards to increase the pitch, and stretches downwards to decrease the pitch.
The utility model discloses hold in the palm the operating condition of material track when carrying out the variable pitch is: when the material supporting rail 2.2 at the bottommost layer moves upwards, the upper folded edge 2.21 of the material supporting rail 2.2 abuts against the upper groove edge of the groove 2.31 of the pitch block 2.3, the layers are upwards ejected, each layer reaches the minimum pitch after being tightly ejected, when the material supporting rail 2.2 at the bottommost layer moves downwards, the upper folded edge 2.21 of the material supporting rail 2.2 pulls the lower groove edge of the groove 2.31 of the pitch block 2.3, the layers are upwards pulled layer by layer, each layer reaches the maximum pitch after being tensioned, when the material supporting rail servo motor 2.6 drives the material supporting rail screw rod 2.7 to rotate, when the screw rod slide block 2.8 rises, the material supporting rail 2.2 contracts from bottom to top until reaching the minimum pitch, and when the screw rod slide block 2.8 descends, the material supporting rail 2.2 stretches to reach the maximum pitch, so that the pitch of the goods rail is changed.
As shown in fig. 4 to 8, in this embodiment, a semiconductor flitch loading and unloading transfer station is further provided, the present invention is used in a semiconductor flitch loading and unloading transfer station, and specifically, the semiconductor flitch loading and unloading transfer station comprises a frame 1, a material supporting rail mechanism 2, a lifting mechanism 3, a push-pull material mechanism 4, an avoiding mechanism 5, a main control device 6 and a touch panel 7, wherein the material supporting rail mechanism 2 is a multi-layer variable-pitch material supporting rail of the present invention, the frame 1 is provided with a transfer channel 1.1, a battery storage part 1.2 and a control part 1.3, the left and right sides in the transfer channel 1.1 are provided with lifting slide rails 8, the material supporting rail mechanism 2 is slidably connected with the lifting slide rails 8, the material supporting rail mechanism 2 is used for adjusting pitch and placing flitches, the lifting mechanism 3 is used for driving the material supporting rail mechanism 2 to lift, the push-pull material rails 9 are installed at the upper and lower ends of an intermediate position in the transfer, set up between push-and-pull material track 9 and push-and-pull material mechanism 4, push-and-pull material mechanism 4 carries out the back-and-forth movement along push-and-pull material track 9, push-and-pull material mechanism 4 is used for carrying out loading and unloading work to flitch 15, it sets up the front end left side at transfer passageway 1.1 to dodge mechanism 5, it is used for driving push-and-pull material mechanism 4 to remove to move and dodge to dodge mechanism 5, touch panel 7 sets up in one side of frame 1 and is connected with 6 electricity of main control unit, touch panel 7 is used for the staff to operate the transfer station, main control unit 6 sets up in control part 1.3, main control unit 6 is used for holding in the palm material track mechanism 2, elevating system 3, push-and.
In this embodiment, the lifting mechanism 3 includes a lifting mechanism servo motor 3.1, a lifting mechanism belt wheel transmission assembly 3.2 and a lifting mechanism screw nut transmission assembly 3.3, wherein the lifting mechanism 3 is disposed on the top of the transfer passage 1.1, the lifting mechanism servo motor 3.1 is connected with the lifting mechanism belt wheel transmission assembly 3.2, the lifting mechanism belt wheel transmission assembly 3.2 is connected with the lifting mechanism screw nut transmission assembly 3.3, the lifting mechanism screw nut transmission assembly 3.3 is connected with the top of the material supporting track frame 2.1, and the lifting mechanism 3 drives the material supporting track mechanism 2 to lift up and down to butt with carts or automatic loading and unloading carts with different heights.
In this embodiment, the material pushing and pulling mechanism 4 comprises a material pushing and pulling rack 4.1, a material pushing and pulling gear 4.2 and a material pushing and pulling roller 4.3 are respectively arranged on one side of the upper end and the lower end of the material pushing and pulling rack 4.2, the material pushing and pulling gear 4.2 is engaged with a rack rail 9.1 in the material pushing and pulling rail 9, the material pushing and pulling roller 4.3 is slidably connected with a roller rail 9.2 in the material pushing and pulling rail 9, the material pushing and pulling rail 9 is composed of the gear rail 9.1 and the roller rail 9.2, a material pushing and pulling servo motor 4.4 is arranged on the lower end of the material pushing and pulling rack 4.1, the material pushing and pulling servo motor 4.4 is connected with a synchronizing shaft 4.6 through a material pushing and pulling belt wheel transmission assembly 4.5, the synchronizing shaft 4.6 is connected with the material pushing and pulling gear 4.2, a hanging plate driving mechanism 4.7 and a plurality of material pulling and hanging plates 4.8 are further arranged on the material pushing and pulling rack 4.1, the material hanging plate driving mechanism 4.7 is connected with a material hanging plate, And (4) disengaging.
In this embodiment, the avoiding mechanism 5 includes an avoiding slider slide rail 5.1, an avoiding slide rail 5.2, an avoiding servo motor 5.3, an avoiding pulley transmission assembly 5.4 and an avoiding synchronizing shaft 5.5, wherein the avoiding slider slide rail 5.1 is arranged at the upper and lower ends of the left front end of the transit channel 1.1 and is fixedly connected with the frame 1, the avoiding slide rail 5.2 is slidably connected with the avoiding slider slide rail 5.1, a belt in the avoiding pulley transmission assembly 5.4 is fixedly connected with the avoiding slide rail 5.2 to drive the avoiding slide rail 5.2 to slide, the avoiding slide rail 5.2 is provided with an avoiding rack rail 5.6 and an avoiding roller rail 5.7, the avoiding rack rail 5.6 and the avoiding roller rail 5.7 are aligned with the gear rail 9.1 and the roller rail 9.2, and have the same specification, and the avoiding servo motor 5.3 is connected with the avoiding pulley transmission assembly 5.4 at the upper and lower ends through the avoiding synchronizing shaft 5..
In this embodiment, a battery compartment 10 is further provided, and the battery compartment 10 is disposed in the battery storage portion 1.2 for storing the battery of the auto-loading and unloading cart.
In this embodiment, a docking device 11 is further provided, the docking device 11 is disposed at the front end and the rear end of the top of the transfer passage 1.1 and is fixedly connected to the top of the transfer passage, and the docking device 11 is used for docking two types of trolleys or automatic loading and unloading trolleys with different pitches.
In this embodiment, the automatic loading and unloading trolley further comprises a push rod cylinder 12, the push rod cylinder 12 is arranged at the bottom of the material pushing and pulling rail 9, and the push rod cylinder 12 is used for pushing the automatic loading and unloading trolley after loading and unloading is completed out of a butt joint so as to avoid blocking the material pushing and pulling mechanism 4 from returning to the transit passage 1.1.
In this embodiment, the main control device 6 includes a power supply, a switch, a servo driver, a network switch, a controller, a relay, an interface circuit, and the like, and is configured to control each mechanism component to complete transfer work.
In this embodiment, the material plate 15 is a circuit board with a length and width of about half a meter, a thickness of about 20mm, and a weight of about 4 Kg.
In this embodiment, the cart 13 is an unpowered material transporting cart provided with 32 layers of material supporting rails.
In this embodiment, the auto-loading/unloading cart 14 is a material transporting cart provided with 32 layers of material supporting rails and having a material pushing/pulling mechanism capable of automatically loading/unloading a material plate, and the pitch of the material supporting rails is different from the pitch of the material supporting rails of the cart.
In this embodiment, the number of layers of the material supporting rail of the cargo channel is not limited to 32, the avoiding position, the battery compartment 10 and the control part 1.3 can also be arranged on the right side of the transfer channel 1.1, and each driving mechanism is not limited to a servo motor and can also be driven by an air cylinder or an air pump.
As shown in fig. 9, a semiconductor flitch loading and unloading transfer station includes two working conditions:
the working condition I is as follows: the flitch 15 is transferred to the automatic loading and unloading trolley 14 from the trolley 13. Specifically, the cart 13 is butted with a transfer station; operating the touch panel 7, changing the pitch of the material supporting track mechanism 2 to be the same as that of the trolley 13, driving the material supporting track mechanism 2 to ascend and descend by the ascending and descending mechanism 3 until each layer of material supporting track 2.2 is aligned with a material plate 15 of the trolley 13, driving the avoiding sliding table 5.2 by the avoiding mechanism 5 to align the avoiding rack track 5.6 and the avoiding roller track 5.7 with the push-pull material track 9, and moving the push-pull material mechanism 4 to be close to the trolley 13 along the avoiding rack track 5.6, the avoiding roller track 5.7 and the push-pull material track 9; the material pulling hanging plate 4.8 descends to hang the edge of a material plate 15 on the cart 13, the material pushing and pulling mechanism 4 moves in the opposite direction, the material plate 15 is pulled into a material supporting rail 2.2 of the transit channel 1.1, after completion, the material pulling hanging plate 4.8 is lifted to be separated from the material plate 15, the material pushing and pulling mechanism 4 is driven by the avoiding mechanism 5 to avoid the sliding table 5.2, the avoiding sliding table 5.2 drives the material pushing and pulling mechanism 4 to move to the left avoiding position, and the charging process is completed; the automatic loading and unloading trolley 14 is in butt joint with the transfer station, the touch panel 7 is operated, the material supporting rails 2.2 are changed in pitch and are lifted to be aligned with the material supporting rails of the automatic loading and unloading trolley 14, the material plates 15 are pulled out by a material pushing and pulling mechanism of the automatic loading and unloading trolley 14 and are loaded into the automatic loading and unloading trolley 14, and all the mechanisms return to complete the transfer process.
Working conditions are as follows: the flitch 15 is transferred to the cart 15 from the auto-loading and unloading cart 14. The material pushing and pulling mechanism 4 is located at an avoiding position, the automatic loading and unloading trolley 14 and the trolley 13 are respectively butted with a transfer station, the touch panel 7 is operated, the material supporting rail 2.2 is changed in pitch and lifted to be aligned with the material supporting rail of the automatic loading and unloading trolley 14, the material plate 15 is pushed into the transfer station by the material pushing and pulling mechanism in the automatic loading and unloading trolley 14, the push rod air cylinder 12 pushes out the automatic loading and unloading trolley 14, and the material supporting rail 2.2 is changed in pitch and lifted to be aligned with the trolley 13; the material pushing and pulling mechanism 4 moves to the transfer channel 1.1, the material pushing plate 15 is loaded into the cart 13, and all the mechanisms return to finish the transfer process.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and therefore, any modifications, equivalent replacements, and improvements made by the contents of the specification and the drawings should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a material track is held in palm to multilayer variable pitch which characterized in that: the material supporting track servo motor comprises a material supporting track frame, a plurality of material supporting tracks, pitch blocks, material supporting track sliding blocks, material supporting track guide rails, a material supporting track servo motor, a material supporting track screw rod and a screw rod sliding block, wherein the material supporting track guide rails are arranged on the left side and the right side of the material supporting track frame and fixedly connected with the material supporting track frame, two material supporting track sliding blocks are fixedly arranged on the back surface of each material supporting track, the material supporting track sliding blocks are slidably connected with the material supporting track guide rails, two pitch blocks are arranged between the material supporting track sliding blocks and used for adjusting the pitch, the pitch blocks are fixedly connected with the material supporting tracks, the pitch blocks which are adjacent up and down are staggered, the material supporting track servo motor is connected with the material supporting track screw rod through a coupler, the material supporting track screw rod is in threaded connection with the screw rod sliding blocks, and the screw rod sliding blocks are fixedly connected with the material supporting track at the, the topmost material supporting rail is fixedly connected with the material supporting rail frame.
2. The multi-layer variable pitch butt rail of claim 1, wherein: the pitch block is square, two bolt holes are formed in the pitch block, the pitch block is fixedly connected with the material supporting rail through bolts, and grooves are formed in the lower end of the pitch block.
3. The multi-layer variable pitch butt rail of claim 2, wherein: the material supporting rail is of a bent metal plate structure and is provided with an upper folding edge and a lower folding edge, the directions of the upper folding edge and the folding edge of the lower folding edge are opposite, the length of the material supporting rail is equal to that of the material plate, the upper folding edge is arranged in the groove and vertically moves along the height of the groove, the height of the groove determines the vertical moving distance of the material supporting rail, the lower folding edge is used for loading and unloading the material plate and supporting the material plate, and two horizontally opposite material supporting rails form a layer of storage goods channel.
4. The multi-layer variable pitch butt rail of claim 1, wherein: the material supporting rail frame is characterized by further comprising a photoelectric switch, the photoelectric switch is used for positioning and limiting the screw rod sliding block, and the photoelectric switch is arranged on one side of the screw rod sliding block and is fixedly connected with the material supporting rail frame through a photoelectric switch fixing piece.
5. The multi-layer variable pitch butt rail of claim 1, wherein: the material supporting track frame is of an aluminum alloy section structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897272.4U CN210393021U (en) | 2019-06-14 | 2019-06-14 | Multilayer variable pitch material supporting rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920897272.4U CN210393021U (en) | 2019-06-14 | 2019-06-14 | Multilayer variable pitch material supporting rail |
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| Publication Number | Publication Date |
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| CN210393021U true CN210393021U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920897272.4U Active CN210393021U (en) | 2019-06-14 | 2019-06-14 | Multilayer variable pitch material supporting rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155763A (en) * | 2019-06-14 | 2019-08-23 | 深圳市赛弥康电子科技有限公司 | A kind of multilayer pitches retainer track |
-
2019
- 2019-06-14 CN CN201920897272.4U patent/CN210393021U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155763A (en) * | 2019-06-14 | 2019-08-23 | 深圳市赛弥康电子科技有限公司 | A kind of multilayer pitches retainer track |
| CN110155763B (en) * | 2019-06-14 | 2024-07-30 | 深圳市赛弥康电子科技有限公司 | Multilayer variable-pitch material supporting track |
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