CN209579191U - Cloth boring device - Google Patents
Cloth boring device Download PDFInfo
- Publication number
- CN209579191U CN209579191U CN201920004202.1U CN201920004202U CN209579191U CN 209579191 U CN209579191 U CN 209579191U CN 201920004202 U CN201920004202 U CN 201920004202U CN 209579191 U CN209579191 U CN 209579191U
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- Prior art keywords
- disk
- cloth
- bores
- aggregate bin
- tool
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Abstract
The utility model discloses a kind of cloth boring devices, disk, tool disk, vibration device and device of rotation driving are bored including cloth, the bottom of tool disk upper embedded hole is equipped with venthole, venthole leads to vacuum by tracheae, vibration device drives cloth to bore disk and/or tooling disc vibration, and device of rotation driving drives cloth to bore disk and tool disk around fixed pivot axis;The side that cloth bores disk is equipped with the first aggregate bin, cloth bores disk and is equipped with the second aggregate bin in the opposite other side, cloth bore disk and tool disk at least have there are two heeling condition or tilting procedure, in a heeling condition or tilting procedure, the discharge port of first aggregate bin is higher than the discharge port of the second aggregate bin, in this way, the water drilling in the first aggregate bin flows to the second aggregate bin;In another heeling condition or tilting procedure, the discharge port of the first aggregate bin is lower than the second aggregate bin.In this way, the water drilling in the second aggregate bin flows to the first aggregate bin.This programme is structurally reasonable, and cloth bores high-efficient.
Description
Technical field
The utility model belongs to crystal processing equipment field, is related to water drilling production and processing field more particularly to one kind is used for
A kind of cloth boring device of arrangement water drilling blank in tool disk.
Background technique
End face polishing processing and the plating processing of water drilling all use adding for production water drilling plastic sucking disc in order to improve processing efficiency
Work method, the patent of Publication No. CN100484711 disclose a kind of water drilling end face polishing processing method, will complete faceted pebble grinding and polishing
A water drilling plastic sucking disc is made in the water drilling of processing by way of plastics sucking moulding, and water drilling uniformly arranges and is absorbed and fixed at plastic sucking disc bottom
Portion, so as to carry out end face polishing processing to whole disk water drilling, because several hundred or even thousands of a water can be arranged on a plastic sucking disc
It bores, so being greatly improved processing efficiency.Publication No. CN101569447 discloses a kind of water drilling coating surface method, equally
The processing of high-volume plating is carried out using water drilling plastic sucking disc.
Notification number is that the patent of CN100484711 discloses a kind of water drill working disc vibrating distributing device, which passes through
It is obliquely installed horizontal vibration platform, and fixed frame and drapery panel are set on vibration table, allows water drilling tool disk embedded in cloth
Among flitch, vibration is opened, water drilling is slowly fallen down above tool disk, can fallen into embedding hole by vibrating most of water drilling,
Extra to be slid into pallet by blanking notch, repeated several times can just make all to be embedded in water drilling in the embedding hole of tool disk, then close
Vibration is closed, drapery panel is dug, next procedure can be entered by taking out tool disk.Due in the patent tool disk at being obliquely installed,
It is easy to shake the water drilling in embedded hole out again in vibration processes again, influences the accurate journey that cloth bores efficiency and cloth bores positioning
Degree, and the device falls to bore there is still a need for artificial, increases the labor intensity of operator.
The patent document of Publication No. CN105522717 discloses a kind of vibration cloth boring device and full-automatic water-drill plastic sucking disc
Molding equipment, the vibration cloth boring device, including cloth bore disk, lifting device and vibration device, the vibration device and are mounted on rack
On, the cloth bores disk and drives holding horizontal or heeling condition by lifting device, and the center that the cloth bores disk is additionally provided with the first work
Sabot, first tool disk are driven by vibration device, and the bottom of the first tool disk upper embedded hole is equipped with venthole, venthole
It is connected to by tracheae with vacuum pump.By significantly horizontal vibration tool disk, water drilling is shaken in embedding hole, while water drilling insertion knot
Extra water drilling is poured into aggregate bin by tool disk inclination after beam, and so as to next cloth, in addition the setting of aggregate bin is so that the device
Artificial brill is not necessarily in the course of work, only suitable water drilling need to be disposably put into aggregate bin just can be automatically performed multiple cloth
Material.
But there are still following problems in the prior art:
1, tool disk is bored among disk embedded in cloth, and when such as using artificial pick-and-place tool disk, operational motion is more, operation effect
Rate is low, such as needs to dig after cloth bores disk and further take out tool disk, tool disk biggish for area, and operation difficulty is bigger;
2, aggregate bin only is set in the side that cloth bores disk, relies primarily on vibration in the embedding hole of water drilling insertion tool disk and completes,
Efficiency is not high enough.
Summary of the invention
In order to solve the above technical problems, one of the purpose of this utility model is to provide a kind of cloth boring device, which bores
Apparatus structure is reasonable, and cloth bores high-efficient.
To achieve the above object, the utility model uses technical solution below:
A kind of cloth boring device, including cloth bore disk (4), tool disk (6), vibration device and device of rotation driving, tool disk (6)
It is arranged and bores the center of disk (4) in cloth, the bottom of tool disk (6) upper embedded hole is equipped with venthole, and venthole leads to vacuum, vibration by tracheae
Dynamic device driving cloth bores disk (4) and/or tool disk (6) vibration, device of rotation driving drive cloth bore disk (4) and tool disk (6) around
Fixed pivot axis;The side that cloth bores disk (4) is equipped with the first aggregate bin (51), and cloth bores disk (4) in the opposite other side
Equipped with the second aggregate bin (52), cloth bore disk (4) and tool disk (6) at least have there are two heeling condition or tilting procedure, at one
In heeling condition or tilting procedure, the discharge port of the first aggregate bin (51) is higher than the discharge port of the second aggregate bin (52), in this way, the
Water drilling in one aggregate bin flows to the second aggregate bin;In another heeling condition or tilting procedure, the first aggregate bin (51)
Discharge port is lower than the second aggregate bin (52).In this way, the water drilling in the second aggregate bin flows to the first aggregate bin.Pass through high and low position phase
A large amount of water drillings are stored to two aggregate bins of variation in turn or respectively, realize that two-way in tooling panel surface of water drilling topples over stream
Dynamic, in this way, water drilling is embedded in embedding hole faster, cloth bores more efficient.
Preferably, cloth, which bores, is equipped with lifting drive on disk (4), lifting drive can be by tool disk (6) phase
It bores disk (4) for cloth to jack up or fall, when tool disk (6), which bores disk (4) relative to cloth, to be fallen, tool disk (6) is embedded bores in cloth
It is closed by sealing ring between bottom margin and the cloth brill disk (4) of tool disk (6) in the central concave of disk (4), in this way convenient for real
Apply vacuumizing and adsorbing water drilling;When tool disk (6), which bores disk (4) relative to cloth, to be jacked up, tool disk (6) protrudes from cloth and bores disk (4), work
The bottom margin and cloth of sabot (6) bore and generate gap between disk (4), in this way convenient for pick-and-place tool disk.
One of preferred embodiment, vibration device include pedestal (2), and cloth bores disk (4) and is mounted on pedestal by resilient supporting unit
(2) on, pedestal (2) and cloth bore and are equipped with vibration generating arrangement (11) between disk (4) to drive by vibration generating arrangement (11)
Dynamic cloth bores disk (4) vibration.
Further preferably, resilient supporting unit is multiple elastic pieces (3).
Further preferably, the vibration generating arrangement (11) is electromagnet or pneumatic vibrator.
The two of preferred embodiment, vibration device include pedestal, and cloth bores disk and connect with pedestal linear slide, and cloth bores disk and passes through sliding
Driving mechanism realizes round-trip linear motion.
Preferably, above-mentioned device of rotation driving is the motor (7) or oscillating cylinder for driving pedestal (2) rotation.
It is preferred that three, the cloth bores being surrounded by coaming plate (42) for disk (4), and vibration device includes pedestal, pedestal and rack
Linear slide connection, cloth bores disk and the side of pedestal is hinged, and the other side that device of rotation driving driving cloth bores disk is swung up and down,
Device of rotation driving motor or cylinder.
The utility model passes through two bucket wheels that gather materials of the opposite variation of high and low position due to the technical solution more than using
Stream stores a large amount of water drillings respectively, realizes that two-way in tooling panel surface of water drilling topples over flowing, in this way, the embedding hole of water drilling insertion
Faster, cloth bores more efficient.And fixed water drilling is vacuumized by tooling pan bottom, tool disk after being embedded in order to water drilling
Extra water drilling is poured into aggregate bin by inclination, so as to next cloth.In addition aggregate bin setting so that, cloth bore during be not necessarily to people
Power frequency is numerous to bore plus bores, and only suitable water drilling need to be disposably put into aggregate bin just can be automatically performed multiple cloth.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model cloth boring device;
Fig. 2 is the structural schematic diagram (horizontality) of the utility model cloth boring device;
Fig. 3 is the structural schematic diagram (heeling condition) of the utility model cloth boring device;
Fig. 4 is the left view of Fig. 3.
Wherein, 1, rack;2, pedestal;3, elastic piece;4, cloth bores disk;41, interface;42, coaming plate;5, aggregate bin;51, first
Aggregate bin;52, the second aggregate bin;6, tool disk, 7, motor;8, shaft coupling;9, mandril;10, cylinder;11, vibration generating arrangement.
Specific embodiment
Specific embodiment of the present utility model is made a detailed explanation with reference to the accompanying drawing.
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more, unless otherwise restricted clearly.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
A kind of cloth boring device as shown in Figs 1-4, including cloth bore disk 4, tool disk 6, vibration device and device of rotation driving,
The center that cloth bores disk 4 is arranged in tool disk 6, and the bottom of 6 upper embedded hole of tool disk is equipped with venthole, and venthole is gentle by interface 41
Logical vacuum is managed, vibration device drives cloth brill disk 4 and/or tool disk 6 to vibrate, and device of rotation driving drives cloth to bore disk 4 and tool disk 6
Around fixed pivot axis;The side that cloth bores disk 4 is equipped with the first aggregate bin 51, and cloth bores disk 4 and is equipped in the opposite other side
Second aggregate bin 52, cloth bore disk 4 and tool disk 6 at least have there are two heeling condition or tilting procedure, in a heeling condition or
In tilting procedure, the discharge port of the first aggregate bin 51 is higher than the discharge port of the second aggregate bin 52, in this way, the water in the first aggregate bin
Brill flows to the second aggregate bin;In another heeling condition or tilting procedure, the discharge port of the first aggregate bin 51 is lower than the second collection
Hopper 52.In this way, the water drilling in the second aggregate bin flows to the first aggregate bin.
The cloth drill method of above-mentioned cloth boring device implements following step:
1) cloth bores disk and tool disk is in the first heeling condition or the first tilting procedure, the water drilling in high-order aggregate bin
Topple in the aggregate bin for flowing to low level by tool disk, and by vibration and/or vacuumizes attached promotion water drilling insertion tooling
In the embedding hole of disk;
2) it is fixed by vacuumizing to adsorb the water drilling being embedded in the embedding hole of tool disk;
3) cloth bores disk and tool disk and be in the second heeling condition or the second tilting procedure, will be in the aggregate bin of a high position and work
Extra water drilling is poured onto the aggregate bin of low level in sabot;
4) cloth bores disk and tool disk Reversion Level state, closing vacuumize.
In this way, storing a large amount of water drillings in turn or respectively by two aggregate bins of the opposite variation of high and low position, water is realized
It bores two-way in tooling panel surface and topples over flowing, water drilling is embedded in embedding hole faster, and cloth brill is more efficient.When cloth bores, water drilling inclines
The vibration of falling flow combinations, so that flowing water brill is quickly paved with tool disk, the embedding hole of tool disk is quickly embedded in water drilling;Cloth bore when or
Cloth is drilled into, is fixed the water drilling absorption for being embedded in embedding hole by vacuumizing, and bores disk and tool disk by the inclination cloth of larger angle
Water drilling extra in tool disk is poured into aggregate bin, so as to next cloth.In addition aggregate bin setting so that, cloth bore during nothing
It needs manually frequently to bore plus bore, only need to disposably be put into suitable water drilling in aggregate bin just can be automatically performed multiple cloth.
One embodiment of above-mentioned cloth boring device, cloth drill method: cloth bore disk and tool disk be in the first heeling condition or
Water drilling warp in first tilting procedure (tilt angle is smaller, 25 ° ± 20 ° of angle with horizontal plane), in the first high-order aggregate bin
It crosses tool disk to topple in the second aggregate bin for flowing to low level, and by vibration and/or vacuumizes attached promotion water drilling insertion work
In the embedding hole of sabot;It is fixed by vacuumizing to adsorb the water drilling being embedded in the embedding hole of tool disk;Cloth bores disk and tool disk continues together
Direction rotation inclination, cloth bore disk and tool disk and are in the second heeling condition or the second tilting procedure that (tilt angle is larger, with water
50 ° ± 20 ° of plane included angle), water drilling extra in the first high-order aggregate bin and in tool disk is poured onto the second collection of low level
In hopper;Cloth bores disk and tool disk Reversion Level state (0 ° ± 5 ° of angle with horizontal plane), and closing vacuumizes.Again by artificial or
Manipulator, which takes out, completes the tool disk that cloth bores, and changes empty tool disk.When cloth bores next time, cloth bores disk and tool disk to Xiang Fanfang
To inclination, the water drilling in the second high-order aggregate bin is toppled in the first aggregate bin for flowing to low level by tool disk, implements cloth
It bores.In this way, cloth bores disk and the rotational travel of tool disk is short, movement is fast, high-efficient.
The another embodiment of above-mentioned cloth boring device, cloth drill method: cloth bores disk and tool disk is in the first heeling condition
Or the first water drilling in tilting procedure (tilt angle is smaller, 25 ° ± 20 ° of angle with horizontal plane), in the first high-order aggregate bin
Toppled in the second aggregate bin for flowing to low level by tool disk, and by vibration and/or vacuumizes attached promotion water drilling insertion
In the embedding hole of tool disk;It is fixed by vacuumizing to adsorb the water drilling being embedded in the embedding hole of tool disk;Cloth bores disk and tool disk to phase
Opposite direction rotation inclination (passing through horizontality), cloth bores disk and tool disk is in the second heeling condition or the second tilting procedure
(tilt angle is larger, 50 ° ± 20 ° of angle with horizontal plane), by water drilling extra in the second high-order aggregate bin and in tool disk
It is poured onto the first aggregate bin of low level;Cloth bores disk and tool disk Reversion Level state (0 ° ± 5 ° of angle with horizontal plane), closes
It vacuumizes.The tool disk completing cloth and boring is taken out by manually or mechanically hand again, changes empty tool disk.When cloth bores next time, weight
Multiple above-mentioned steps implement cloth brill.
Size, shape and the structure of the aggregate bin can accordingly be designed according to above-mentioned cloth boring device, cloth drill method,
It can be and bore disk integrated molding production with cloth, be also possible to independently make relative to cloth brill disk, it is the same to can be two aggregate bins
It greatly, can also be with small one and large one, etc..Cloth bores disk and the pivot center of tool disk and can be set in centre, also can be set one
Side.In the present embodiment, cloth bores the pivot center setting of disk and tool disk in centre, as shown in figure 3, two of cloth brill disk 4 are gathered materials
Coaming plate 42 is set between bucket, and the bottom of aggregate bin slightly sinks to collect more water drillings.
For the ease of manually picking and placing tool disk, improve efficiency, cloth bores and is equipped with lifting drive on disk 4, lifting driving
Tool disk 6 can be bored disk 4 relative to cloth and jack up or fall by device, when tool disk 6, which bores disk 4 relative to cloth, to be fallen, tool disk 6
It is embedded in the central concave that cloth bores disk 4, it is closed by sealing ring between bottom margin and cloth the brill disk 4 of tool disk 6, so just
In implementation vacuumizing and adsorbing water drilling;When tool disk 6, which bores disk 4 relative to cloth, to be jacked up, tool disk 6 protrudes from cloth and bores disk 4, tool disk
6 bottom margin and cloth bores and generates gap between disk 4, in this way convenient for pick-and-place tool disk.
In the present embodiment, realize that tool disk is jacked up or fallen, mandril 9 relative to cloth brill disk by 9 jacking tool disk 6 of mandril
It is fixedly connected or is integrally formed with the piston rod of cylinder 10, cylinder 10 is fixed on the bottom centre that cloth bores disk 4.It is real in another implementation
It applies in mode, entire cloth can be driven to bore the decline of disk 4 by devices such as cylinders and realize that tool disk bores disk relative to cloth and jacks up or fall;
In other embodiments, it can realize that tool disk is opposite so that a part decline that the devices such as cylinder drive cloth to bore disk 4 can be passed through
It bores disk in cloth to jack up or fall, as long as this part that cloth bores disk, which can reserve enough spaces after declining, picks and places tooling for artificial
Disk.Therefore, the utility model is so-called " tool disk is bored disk relative to cloth and jacked up ", can be tool disk from cloth and bores quilt on disk
It jacks up, is also possible to cloth brill disk decline and exposes tool disk, can also be that a part of cloth brill disk declines exposed portion or whole works
Sabot.
The specific structure of above-mentioned cloth boring device is described below:
In the present embodiment, as shown in Figure 2 and Figure 3, vibration device includes the pedestal 2 being rotatablely connected with rack 1, and it is logical that cloth bores disk 4
It crosses resilient supporting unit to be mounted on pedestal 2, pedestal 2 and cloth bore and is equipped with vibration generating arrangement 11 between disk 4 to pass through vibration
Dynamic generating device 11 drives cloth to bore the vibration of disk 4.Resilient supporting unit is that multiple elastic pieces 3 (can also be spring, elastic rubber
Deng).The vibration generating arrangement 11 is electromagnet or pneumatic vibrator.
In another embodiment, vibration device includes pedestal, and cloth bores disk and connect with pedestal linear slide, and cloth bores disk and passes through cunning
Dynamic driving mechanism realizes round-trip linear motion, other same.
The device of rotation driving of above-mentioned two embodiment is preferably the motor 7 or oscillating cylinder for driving pedestal 2 to rotate.
In third embodiment, vibration device includes pedestal, and pedestal is connect with rack linear slide, and cloth bores disk and pedestal
Side be hinged, device of rotation driving driving cloth bore disk the other side swing up and down, device of rotation driving motor or cylinder.
A kind of water drilling production method and/or system, using cloth boring device as described above or cloth drill method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.
Claims (8)
1. a kind of cloth boring device, including cloth bore disk (4), tool disk (6), vibration device and device of rotation driving, tool disk (6) and set
It sets and bores the center of disk (4) in cloth, the bottom of tool disk (6) upper embedded hole is equipped with venthole, and venthole leads to vacuum, vibration by tracheae
Device drives cloth to bore disk (4) and/or tool disk (6) vibration, and device of rotation driving drives cloth to bore disk (4) and tool disk (6) around solid
Fixed pivot axis;It is characterized in that, the side that cloth bores disk (4) is equipped with the first aggregate bin (51), cloth bores disk (4) opposite
The other side be equipped with the second aggregate bin (52), cloth bore disk (4) and tool disk (6) at least have there are two heeling condition or be tilted over
Journey, in a heeling condition or tilting procedure, the discharge port of the first aggregate bin (51) is higher than the discharging of the second aggregate bin (52)
Mouthful;In another heeling condition or tilting procedure, the discharge port of the first aggregate bin (51) is lower than the second aggregate bin (52).
2. a kind of cloth boring device according to claim 1, which is characterized in that cloth, which bores, is equipped with lifting driving dress on disk (4)
It sets, tool disk (6) can be bored disk (4) relative to cloth and jack up or fall by lifting drive, when tool disk (6) is bored relative to cloth
When disk (4) is fallen, the bottom margin and cloth of tool disk (6) bore closed by sealing ring between disk (4);When tool disk (6) is opposite
When cloth bores disk (4) and jacks up, tool disk (6) protrudes from cloth and bores disk (4), and the bottom margin and cloth of tool disk (6) bore between disk (4)
Generate gap.
3. a kind of cloth boring device according to claim 1, which is characterized in that vibration device includes pedestal (2), and cloth bores disk
(4) it is mounted on pedestal (2) by resilient supporting unit, pedestal (2) and cloth bore and is equipped with vibration generating arrangement between disk (4)
(11) to drive cloth to bore disk (4) vibration by vibration generating arrangement (11).
4. a kind of cloth boring device according to claim 3, which is characterized in that resilient supporting unit is multiple elastic pieces (3).
5. a kind of cloth boring device according to claim 3, which is characterized in that the vibration generating arrangement (11) is electromagnet
Or pneumatic vibrator.
6. a kind of cloth boring device according to claim 1, which is characterized in that vibration device includes pedestal, and cloth bores disk and bottom
Seat linear slide connection, cloth bore disk and realize round-trip linear motion by sliding drive mechanism.
7. a kind of cloth boring device according to any one of claim 3 to 6, which is characterized in that device of rotation driving is to drive
The motor (7) or oscillating cylinder of dynamic pedestal (2) rotation.
8. a kind of cloth boring device according to claim 1, which is characterized in that cloth brill disk (4) is surrounded by coaming plate
(42), vibration device includes pedestal, and pedestal is connect with rack linear slide, and cloth bores disk and the side of pedestal is hinged, and rotation is driven
The other side that dynamic device driving cloth bores disk is swung up and down, and device of rotation driving is motor or cylinder.
Priority Applications (1)
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CN201920004202.1U CN209579191U (en) | 2019-01-02 | 2019-01-02 | Cloth boring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920004202.1U CN209579191U (en) | 2019-01-02 | 2019-01-02 | Cloth boring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109531408A (en) * | 2019-01-02 | 2019-03-29 | 虞雅仙 | Cloth boring device, cloth drill method and water drilling production method |
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2019
- 2019-01-02 CN CN201920004202.1U patent/CN209579191U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109531408A (en) * | 2019-01-02 | 2019-03-29 | 虞雅仙 | Cloth boring device, cloth drill method and water drilling production method |
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