CN207593188U - A kind of automatic pressing machine - Google Patents
A kind of automatic pressing machine Download PDFInfo
- Publication number
- CN207593188U CN207593188U CN201721751317.4U CN201721751317U CN207593188U CN 207593188 U CN207593188 U CN 207593188U CN 201721751317 U CN201721751317 U CN 201721751317U CN 207593188 U CN207593188 U CN 207593188U
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- Prior art keywords
- needle
- block
- pressing
- haul
- contact pin
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- 239000000463 material Substances 0.000 claims abstract description 126
- 230000000694 effects Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 1
- 230000032258 transport Effects 0.000 abstract description 11
- 239000011232 storage material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a kind of automatic pressing machines,Including rack,The rack, which is fixedly connected, to be useful for the pressing device of contact pin press-in material,The pressing device is connected with to store contact pin and transport contact pin to the needle feeding apparatus of pressing device and for the conveying device by material transportation to pressing device,The conveying device, which is fixedly connected, is useful for storage material and the feed device by material transportation to conveying device,The feed device includes the vibration feeding disc for material to be driven to move,The vibration feeding disc, which is fixedly connected, to be useful for guiding material to the three-level feed channel of conveying device,Vibration feeding dish driving material is moved to conveying device by three-level feed channel,Material is moved to pressing device by conveying device,Needle feeding apparatus transports contact pin to pressing device,Pressing device obtains assembly parts after contact pin is pressed into material,By feed device and conveying device automatically by material transportation to pressing device,Realize self-feeding.
Description
Technical field
The utility model is related to pressing machine, more particularly to a kind of automatic pressing machine.
Background technology
Pressing machine is a kind of device that contact pin is pressed into material, and automatic pressing machine is controlled by PLC controller, automatically by contact pin
Assembly parts are obtained after being assembled with material, general automatic pressing machine band is useful for filling the pressing of the through-hole of contact pin press-in material
It puts.
The Chinese patent of Publication No. CN1668166A discloses a kind of automatic pin pressing machine, including shake frequency device, feeding circle
Disk, shake frequency device are placed on the lower section of feeding disk, form several arc guide pin slots in feeding disk, further included and needle is sent to put down
Platform, gimbaled platform, needle separating device, feeding needle piece, pressing device, locating piece of threading a needle, what surface was provided with several guide pin slots send needle platform
One end connect with the outlet portion of feeding disk, the other end connects with one end of gimbaled platform, gimbaled platform for one be provided with it is several
The rectangular block of nail-shaped reversing groove is fixed with the feeding needle piece for being provided with several guide pin slots below the other end of gimbaled platform, is sending
There is needle separating device above needle block, which includes needle divider and pressure device, and needle divider is by lower lock block, minute hand activity
Block, resetting spring and baffle composition, minute hand movable block and resetting spring are installed in the groove of lower lock block, are filled above lower lock block
Equipped with pressure device, and resetting spring is connected between pressure device and needle divider, during in depressed state, baffle, which is located exactly at, to be sent
The port of export of needle block；The outlet end position that feeding needle piece is faced in workbench is fixed with pressing device, and pressing device includes work
Dynamic platform, suction spindle block, pressing block, screwdown gear, the surface of suction spindle block is provided with several appearance needle trays for accommodating needle, at the back of pressing block
The U magnet being controllably disposed vertically is installed with, is also provided on pressing block several matched small convex with suction spindle block Shangdi appearance needle tray
Item is equipped with screwdown gear in the top of pressing block；Locating block device thread a needle in the lower section of suction spindle block, is installed by locating piece of threading a needle
There is feed device.
The automatic pin pressing machine be powered after, under the action of frequency device shake, contact pin by feeding disk, send needle platform, process
It commutates in gimbaled platform after filtering, then the contact pin sent is arranged in a row by needle separating device and feeding needle piece, suction spindle block is in work
Close to the contact pin discharged under the action of dynamic platform, then a socket needle is adsorbed to the appearance in suction spindle block using vertical U-shaped magnetic field
It in needle tray, is finally pressed into the jack of material by pressing block by threading a needle locating piece by contact pin and goes to complete process, but should be from
Dynamic pin pressing machine still needs to that manually material is placed in feed device, then send material to pressure by feed device when transporting material
Needle device is assembled with contact pin, can not accomplish self-feeding, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of automatic pressing machine, have
The advantages of material is transported to pressing device automatically.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of automatic pressing machine, including rack, the rack, which is fixedly connected, to be useful for filling the pressing of contact pin press-in material
It puts, the pressing device is connected with to store contact pin and transport contact pin to the needle feeding apparatus of pressing device and for by material
It transports to the conveying device of pressing device, the conveying device, which is fixedly connected, is useful for storage material and by material transportation to haul
The feed device of device, the feed device include the vibration feeding disc for material to be driven to move, and the vibration feeding disc is consolidated
Surely it is connected with to guide material to the three-level feed channel of conveying device.
By using above-mentioned technical proposal, vibration feeding dish driving material is moved to conveying device by three-level feed channel,
Material is moved to pressing device by conveying device, and needle feeding apparatus transports contact pin to pressing device, and contact pin is pressed by pressing device
Assembly parts are obtained after material, by feed device and conveying device automatically by material transportation to pressing device, realize self-feeding.
The utility model is further arranged to：The vibration feeding disc is fixedly connected with multiple level-one feed channels, each two
The level-one feed channel is fixedly connected with same two level feed channel, and all two level feed channels are fixed with three-level feed channel to be connected
It connects, the material in vibration feeding disc is moved to two level feed channel from level-one feed channel, then is moved to three-level feed channel.
By using above-mentioned technical proposal, multiple two level feed channels are merged into, then by multiple by multiple level-one feed channels
Two level feed channel merges into a three-level feed channel, and material is moved to two level feed channel from level-one feed channel, enters back into three-level and send
Material path is transported to conveying device, and since the vibration velocity of vibration feeding disc is basically unchanged, each one is entered in same amount of time
The material number of grade feed channel is approximate, and by merging level-one feed channel, make each two level feed channel fortune in same amount of time
Defeated material number is the both sides of level-one feed channel, and the material number that three-level feed channel transports in same amount of time is sent for two level
Therefore more times of material path, increase three-level feeding by the merging step by step of level-one feed channel, two level feed channel and three-level feed channel
The material number transported in road certain time.
The utility model is further arranged to：The conveying device includes multiple haul blocks for pushing material, owns
The haul block is fixedly connected with same haul bar, and the haul bar is connected with the haul for haul bar to be driven to move horizontally
Cylinder, the haul bar are connected with the mobile cylinder for driving haul bar vertical shift.
By using above-mentioned technical proposal, mobile cylinder driving haul bar is moved to straight down close to the position of material,
Haul bar drives haul block to be moved to close to the position of material, and haul cylinder driving haul bar moves horizontally, and haul bar drives fortune
Material block pushes material to be moved, so as to which material is moved to material pressing device.
The utility model is further arranged to：The conveying device includes guiding material to the haul of pressing device
Road, the haul road is connected with the shifting material block that haul road is moved to for the material for carrying three-level feed channel, described to move material block
It is connected with to drive the shifting material cylinder for moving material block and carrying out movement.
By using above-mentioned technical proposal, three-level feed channel by material send to move expect block, move material cylinder driving move material block into
Row movement moves material block and is moved to haul road, so as to transfer the material into haul road.
The utility model is further arranged to：The three-level feed channel is fixedly connected with jet nozzle, the jet nozzle
The gas of ejection applies material towards close to the active force for moving material Block direction.
By using the active force for the gas that above-mentioned technical proposal, material are sprayed by jet nozzle, material is made to accelerate transfer
Expect block to moving, prevent material and not yet move into material block and move and expect that cylinder will move the phenomenon that material block is removed.
The utility model is further arranged to：The pressing device includes the shifting for receiving the contact pin that needle feeding apparatus ships
Needle block, the shifting needle cylinder being moved near haul road for driving shifting needle block being connect with shifting needle block are slidably connected with moving needle block
Be used for by move pressing block that the contact pin that needle block receives is moved in material, connect with pressing block be used to drive the movement of pressing block
To the pressing cylinder for the position for being close to material.
By using above-mentioned technical proposal, the contact pin that needle feeding apparatus ships is moved to the top of needle block, moves needle block and is moved
The drive of needle cylinder is moved near haul road, and pressing cylinder driving pressing block is moved near material, and pressing block will be moved on needle block
Contact pin press-in material, complete pressing operation.
The utility model is further arranged to：The needle feeding apparatus include for drive contact pin move vibration send dials,
The plate of handling the needle being fixedly connected between dials and pressing device is sent in vibration, and the plate of handling the needle is provided with a plurality of slot of handling the needle, all described
Slot of handling the needle send dials to extend to pressing device from vibration.
By using above-mentioned technical proposal, vibration send dials to fall into slot of handling the needle after needle is transported to plate of handling the needle, positioned at handling the needle
The needle that needle in slot is subsequently fallen into slot of handling the needle pushes the direction towards close pressing device to be moved.
The utility model is further arranged to：Slot of handling the needle described in every agrees with contact pin, and the top of the plate of handling the needle is consolidated
Surely it is connected with baffle.
By using above-mentioned technical proposal, every slot of handling the needle can only transport the more contact pins that a row are end-to-end, and make same
The number that time is transported into the contact pin of pressing device is identical with the number for slot of handling the needle, and baffle limits contact pin from plate of handling the needle except slot of handling the needle
Other outer positions are moved to pressing device.
In conclusion the utility model has the advantages that：
Material is transported to by conveying device by feed device, material is transported to by pressing device by conveying device, is led to
It crosses needle feeding apparatus and contact pin is transported to pressing device, material and contact pin are assembled by pressing device.
Description of the drawings
Fig. 1 is the structure diagram of embodiment；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the structure diagram of the feed device of embodiment；
Fig. 4 is the structure diagram of the needle feeding apparatus of embodiment.
Reference numeral：1st, rack；2nd, pressing device；21st, needle cylinder is moved；22nd, needle block is moved；23rd, pressing cylinder；24th, pressing
Block；3rd, conveying device；31st, haul road；32nd, jet nozzle；33rd, material cylinder is moved；34th, material block is moved；35th, haul cylinder；36th, haul
Bar；37th, haul block；38th, mobile cylinder；4th, needle feeding apparatus；41st, dials is sent in vibration；42nd, it handles the needle plate；421st, it handles the needle slot；43rd, it keeps off
Plate；5th, feed device；51st, vibration feeding disc；52nd, level-one feed channel；53rd, two level feed channel；54th, three-level feed channel.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of automatic pressing machine, contact pin is pressed into object by being used for of being fixedly connected including rack 1, with rack 1
The pressing device 2 of material, connect with pressing device 2 for storing contact pin and transport contact pin to the needle feeding apparatus of pressing device 2
4th, for being fixedly connected by the conveying device 3 of material transportation to pressing device 2, with conveying device 3 to store material and will
Material transportation to conveying device 3 feed device 5.Material is transported to conveying device 3 from feed device 5 and eventually arrives at pressing dress
2 are put, contact pin is transported to pressing device 2 from needle feeding apparatus 4, and contact pin press-in material is formed assembly parts by pressing device 2.
As shown in figure 3, feed device 5 includes the vibration feeding disc 51 being fixedly connected with rack 1, consolidates with vibration feeding disc 51
Surely the level-one feed channel 52 that connects, the two level feed channel 53 being fixedly connected with level-one feed channel 52 are fixed with two level feed channel 53
The three-level feed channel 54 of connection.The quantity of level-one feed channel 52 is two or more, and the adjacent level-one feed channel 52 of each two merges
For a two level feed channel 53, all two level feed channels 53 merge into a three-level feed channel 54.Vibration feeding disc 51 is by shaking
The material transportation that will be stored in vibration feeding disc 51 is moved to every level-one feed channel 52, is sent in certain time into every level-one
The material quantity approximately equal of material path 52, every two adjacent level-one feed channels 52 merge into a two level feed channel 53, therefore
The material quantity for entering every two level feed channel 53 in certain time is the two of the material quantity for entering every level-one feed channel 52
Times, similarly, the material quantity that three-level feed channel 54 is entered in certain time is the material quantity for entering every two level feed channel 53
More than twice.Merged by multistage, the material quantity of three-level feed channel 54 is entered in increase certain time.
As depicted in figs. 1 and 2, conveying device 3 includes the haul road 31 being fixedly connected with rack 1, is slided with haul road 31
Connection shifting material block 34, be fixedly connected with three-level feed channel 54 jet nozzle 32, be fixedly connected with haul road 31 be used for drive
It is dynamic move material block 34 carry out mobile shifting material cylinder 33, the mobile cylinder 38 being fixedly connected with rack 1 and rack 1 be slidably connected and
Driven by mobile cylinder 38 and carry out the haul cylinder 35 of vertical shift, connect with haul cylinder 35 and by haul cylinder 35 drive into
The capable haul bar 36 moved horizontally, the two or more being fixedly connected with haul bar 36 are distributed in the fortune on 36 length direction of haul bar
Expect block 37.It moves the material driving of cylinder 33 and moves and expect that block 34 is moved towards close to the direction of three-level feed channel 54, make shifting material block 34
Recessed portion is aligned with three-level feed channel 54, subsequent start-up jet nozzle 32, and the gas sprayed in jet nozzle 32 is by three-level feeding
Material in road 54 is pushed in shifting material block 34, is then shut off jet nozzle 32, move the material driving of cylinder 33 move material block 34 towards by
The direction in nearly haul road 31 is moved, after the material that shifting is expected in block 34 is aligned with haul road 31, the driving fortune of mobile cylinder 38
Material bar 36 moves straight down, and the direction that haul cylinder 35 drives haul bar 36 to be directed away from three-level feed channel 54 is moved,
The direction that haul bar 36 drives all haul blocks 37 to be directed away from three-level feed channel 54 is moved, haul block 37 drive material from
It moves material block 34 and is moved to haul road 31, material is pushed to pressing device 2 by haul block 37.
As shown in figure 4, needle feeding apparatus 4 includes sending dials 41 for the vibration for storing contact pin and contact pin being driven to move, be used for
Contact pin is guided to the plate 42 of handling the needle of pressing device 2.The handle the needle upper surface of plate 42 is provided with more than two slots 421 of handling the needle, and transports
The depth and width of needle tray 421 are equal with the diameter of contact pin, and every slot 421 of handling the needle is arranged with the contact pin that a row are close to end to end.
To prevent contact pin from being stacked in transportational process, the upper surface for plate 42 of handling the needle send the position of dials 41 close to vibration
Baffle 43 is fixedly connected with, after contact pin is vibrated and dials 41 sent to be transported to handle the needle plate 42, only enters the contact pin for slot 421 of handling the needle
Can be by baffle 43, and remaining contact pin is stopped the inside for falling and returning to vibration and sending dials 41 by baffle 43, prevents contact pin from heap occurs
It is folded.
As shown in Figure 1, pressing device 2 includes the shifting needle block 22 for being used for the contact pin for receiving the transport of plate 42 of handling the needle and rack 1 is solid
Surely what is connected moves the shifting needle cylinder 21 of 22 vertical shift of needle block, the pressing being slidably connected with moving the upper surface of needle block 22 for driving
Block 24, the direction for being used to drive pressing block 24 towards close haul road 31 being fixedly connected with rack 1 carry out mobile pressing gas
Cylinder 23.After contact pin is transported to the upper surface for moving needle block 22, moves needle cylinder 21 and shifting needle block 22 is driven to move up, so as to make shifting
The contact pin of 22 upper surface of needle block is aligned with the through-hole of material in haul road 31, and subsequent pressing cylinder 23 drives pressing block 24 towards object
Material is moved, and contact pin is inserted into the through-hole of material by pressing block 24, and last pressing cylinder 23 and shifting needle cylinder 21 reset, assembly parts
Pressing device 2 is transported out of by haul block 37, completes pressing operation.
Operation principle：
Material is transported to by vibration feeding disc 51 in three-level feed channel 54, and the gas push that material is sprayed by jet nozzle is extremely
It moves in material block 34, moves and expect that the driving of cylinder 33 moves material block 34 and carries out the mobile material alignment haul road 31 made in shifting material block 34, then
Mobile cylinder 38 drives haul bar 36 to move down, haul cylinder 35 drive haul bar 36 be directed away from the direction of three-level feed channel 54 into
Row movement, makes haul block 37 that material be driven to be moved in haul road 31 material from movable block and be transported to pressing device 2, inserts
Needle is vibrated the upper surface that dials 41 is sent to be driven into slot 421 of handling the needle and is transported to shifting needle block 22, is moved needle cylinder 21 and is driven
Moving needle block 22 and moving up makes the contact pin of 22 upper surface of shifting needle block be aligned with the through-hole of material, and then pressing cylinder 23 drives pressing block 24
By the through-hole of contact pin press-in material, assembly parts transport out of pressing device 2 by conveying device 3, complete a pressing operation.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of automatic pressing machine, including rack (1), it is characterized in that：The rack (1), which is fixedly connected, to be useful for contact pin being pressed into
The pressing device (2) of material, the pressing device (2) are connected with to store contact pin and transport contact pin to pressing device (2)
Needle feeding apparatus (4) and connect for by the conveying device (3) of material transportation to pressing device (2), the conveying device (3) to be fixed
It is connected to for storing material and the feed device (5) by material transportation to conveying device (3), the feed device (5) is including use
In the vibration feeding disc (51) of driving material movement, the vibration feeding disc (51), which is fixedly connected, to be useful for guiding material to fortune
Expect the three-level feed channel (54) of device (3).
2. a kind of automatic pressing machine according to claim 1, it is characterized in that：The vibration feeding disc (51) is fixedly connected with
Multiple level-one feed channels (52), level-one feed channel (52) described in each two are fixedly connected with same two level feed channel (53), institute
There is the two level feed channel (53) to be fixedly connected with three-level feed channel (54), the material in vibration feeding disc (51) is from level-one feeding
Road (52) is moved to two level feed channel (53), then is moved to three-level feed channel (54).
3. a kind of automatic pressing machine according to claim 1, it is characterized in that：The conveying device (3) pushes including being used for
Multiple haul blocks (37) of material, all haul blocks (37) are fixedly connected with same haul bar (36), the haul bar
(36) the haul cylinder (35) for haul bar (36) to be driven to move horizontally is connected with, the haul bar (36) is connected with to drive
The mobile cylinder (38) of dynamic haul bar (36) vertical shift.
4. a kind of automatic pressing machine according to claim 1, it is characterized in that：The conveying device (3) is including for by object
To the haul road (31) of pressing device (2), the haul road (31) is connected with to carry three-level feed channel (54) for material guiding
Material be moved to the shifting material block (34) in haul road (31), the material block (34) that moves is connected with to move material block (34) for driving and carry out
Mobile shifting material cylinder (33).
5. a kind of automatic pressing machine according to claim 4, it is characterized in that：The three-level feed channel (54) is fixedly connected with
Jet nozzle (32), the gas that the jet nozzle (32) sprays apply material towards the effect that block (34) direction is expected close to shifting
Power.
6. a kind of automatic pressing machine according to claim 4, it is characterized in that：The pressing device (2) receives including being used for
The shifting needle block (22) for the contact pin that needle feeding apparatus (4) ships, the driving shifting needle block (22) that is used for being connect with moving needle block (22) are moved to
The neighbouring shifting needle cylinder (21) in haul road (31), with moving that needle block (22) is slidably connected for will move the contact pin that needle block (22) receives
The pressing block (24) that is moved in material is close to material with what pressing block (24) connected for pressing block (24) to be driven to be moved to
The pressing cylinder (23) of position.
7. a kind of automatic pressing machine according to claim 1, it is characterized in that：The needle feeding apparatus (4) drives including being used for
The vibration of contact pin movement send dials (41), vibration to send the plate of handling the needle (42) being fixedly connected between dials (41) and pressing device (2),
The plate of handling the needle (42) is provided with a plurality of slot of handling the needle (421), and all slots (421) of handling the needle send dials (41) to extend to from vibration
Pressing device (2).
8. a kind of automatic pressing machine according to claim 7, it is characterized in that：Slot (421) is handled the needle described in every and contact pin
Agree with, baffle (43) is fixedly connected with above the plate of handling the needle (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751317.4U CN207593188U (en) | 2017-12-14 | 2017-12-14 | A kind of automatic pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721751317.4U CN207593188U (en) | 2017-12-14 | 2017-12-14 | A kind of automatic pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207593188U true CN207593188U (en) | 2018-07-10 |
Family
ID=62764301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721751317.4U Expired - Fee Related CN207593188U (en) | 2017-12-14 | 2017-12-14 | A kind of automatic pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207593188U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454453A (en) * | 2018-12-18 | 2019-03-12 | 上海雷迪埃电子有限公司 | Connector assembly machine |
| CN109533819A (en) * | 2019-01-03 | 2019-03-29 | 南京工业职业技术学院 | One kind is threaded a needle presser |
| CN110549097A (en) * | 2019-09-17 | 2019-12-10 | 江苏天奇氢电装备有限公司 | Automatic press fitting equipment applied to press fitting of injector protective cap |
| CN111531347A (en) * | 2020-05-11 | 2020-08-14 | 深圳市维拉斯电气有限公司 | High-precision tuning fork assembly equipment and tuning fork assembly process |
| CN116296698A (en) * | 2023-05-19 | 2023-06-23 | 中国科学技术大学 | Cotton fiber shaping and splitting equipment |
-
2017
- 2017-12-14 CN CN201721751317.4U patent/CN207593188U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454453A (en) * | 2018-12-18 | 2019-03-12 | 上海雷迪埃电子有限公司 | Connector assembly machine |
| CN109454453B (en) * | 2018-12-18 | 2024-02-13 | 上海雷迪埃电子有限公司 | Connector assembly machine |
| CN109533819A (en) * | 2019-01-03 | 2019-03-29 | 南京工业职业技术学院 | One kind is threaded a needle presser |
| CN109533819B (en) * | 2019-01-03 | 2023-10-17 | 南京工业职业技术学院 | Needle threading and pressing mechanism |
| CN110549097A (en) * | 2019-09-17 | 2019-12-10 | 江苏天奇氢电装备有限公司 | Automatic press fitting equipment applied to press fitting of injector protective cap |
| CN110549097B (en) * | 2019-09-17 | 2024-03-26 | 江苏天奇氢电装备有限公司 | Be applied to automatic pressure equipment of pressure equipment syringe protection cap |
| CN111531347A (en) * | 2020-05-11 | 2020-08-14 | 深圳市维拉斯电气有限公司 | High-precision tuning fork assembly equipment and tuning fork assembly process |
| CN111531347B (en) * | 2020-05-11 | 2021-10-15 | 深圳市维拉斯电气有限公司 | High-precision tuning fork assembly equipment and tuning fork assembly process |
| CN116296698A (en) * | 2023-05-19 | 2023-06-23 | 中国科学技术大学 | Cotton fiber shaping and splitting equipment |
| CN116296698B (en) * | 2023-05-19 | 2023-10-20 | 中国科学技术大学 | Cotton fiber shaping and splitting equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 |