CN208514613U - A kind of fire-proof plate punch device - Google Patents
A kind of fire-proof plate punch device Download PDFInfo
- Publication number
- CN208514613U CN208514613U CN201821163312.4U CN201821163312U CN208514613U CN 208514613 U CN208514613 U CN 208514613U CN 201821163312 U CN201821163312 U CN 201821163312U CN 208514613 U CN208514613 U CN 208514613U
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- fixed
- fire
- fixedly connected
- cabinet
- bottom end
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Abstract
The utility model discloses a kind of fire-proof plate punch devices, including cabinet, the bottom end of cabinet is fixed with supporting leg, the top of cabinet is equipped with fire prevention plate fixation mechanism, the top of cabinet is fixedly connected with the bottom end of bracket, the side of cantilever tip is fixed with lateral adjustment, the bottom end of lateral adjustment is equipped with longitudinal adjusting mechanism, the bottom end of longitudinal adjusting mechanism is equipped with perforating mechanism, a kind of fire-proof plate punch device of the utility model, by the flexible drive of the second electric telescopic rod one of them "] " template is mobile, the both ends of fire-proof plate are fixed, the elongation for crossing the first electric telescopic rod drives clamping plate to move down and the top of fire-proof plate is fixed, fire-proof plate position in drill process can be effectively prevented to move；Lateral adjustment and longitudinal adjusting mechanism by being equipped with are convenient for being adjusted the height of drill bit convenient for being adjusted the position of perforating mechanism by the hydraulic cylinder being equipped with.
Description
Technical field
The utility model relates to a kind of punch device, in particular to a kind of fire-proof plate punch device belongs to fire-proof plate production
Processing technique field.
Background technique
Fire-proof plate also known as refractory slab, scientific name are thermosetting resin-impregnated paper high-pressure laminated board, english abbreviation HPL
(Decorative High-pressure Laminate) is incrustation refractory building material, there is surface color and polish abundant, lines
And special physical property；Fire-proof plate is widely used in the fields such as interior decoration, furniture, kitchen cabinet, laboratory table top, exterior wall.
Fire-proof plate needs to punch its surface in production and processing, but it is all logical for being punched at present to fire-proof plate
It crosses man-hour manually hand-held puncher to punch it, not only perforating efficiency is low and is easy to happen dangerous situation, and can not fight each other
The scrap generated during hole is collected processing, be easy to cause the pollution of environment, influences the health of staff.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of fire-proof plate punch device
Fire-proof plate passes through the problem of manually punching to it.
To achieve the above object, the utility model provides the following technical solutions: a kind of fire-proof plate punch device, including machine
Case, the bottom end of the cabinet are fixed with supporting leg, and the top of the cabinet is equipped with fire prevention plate fixation mechanism, the top of the cabinet
End is fixedly connected with the bottom end of bracket, and the side of the cantilever tip is fixed with lateral adjustment, the lateral adjustments machine
The bottom end of structure is equipped with longitudinal adjusting mechanism, and the bottom end of the longitudinal adjusting mechanism is equipped with perforating mechanism, and the side of the cabinet is set
There is dedusting mechanism, the front of the cabinet is equipped with control panel.
As a kind of optimal technical scheme of the utility model, the fire prevention plate fixation mechanism include two "] " template, two
The top of a "] " template is respectively fixedly disposed at the two sides of enclosure top, described "] " template is fixed with three first electricity
Dynamic telescopic rod, one end of first electric telescopic rod are fixedly connected with the top of clamping plate, described in one of them "] " template
Side is fixedly connected by the second electric telescopic rod with the side of bracket, described in one of them "] " sliding block that is equipped with of template bottom end
It is slidably connected with the sliding slot that enclosure top is equipped with, first electric telescopic rod and the second electric telescopic rod pass through control plane respectively
The the first electric expansion lever switch and the second electric expansion lever switch that plate surface is equipped with are electrically connected with the power supply.
As a kind of optimal technical scheme of the utility model, the lateral adjustment includes the first fixed plate, described
One end of first fixed plate is fixedly connected with the side of cantilever tip, and the side of first fixed plate is fixed with the first stepping
The transmission shaft of motor, first stepper motor is fixedly connected with one end of the first screw rod, and first screw rod is connect with first
The first feed screw nut that block side is equipped with is threadedly coupled, and first fixed plate is interspersed by the first guide rod and the first link block
Connection, first stepper motor are electrically connected with the power supply by the first stepping motor switch that control panel surface is equipped with.
As a kind of optimal technical scheme of the utility model, the longitudinal adjusting mechanism includes the second fixed plate, described
The top of second fixed plate is fixedly connected with the bottom end of the first link block, and the side of second fixed plate is fixed with second step
Into motor, the transmission shaft of the second stepper motor is fixedly connected with one end of the second screw rod, and second screw rod and second connects
It meets the second feed screw nut that block side is equipped with to be threadedly coupled, second link block is worn by the second guide rod and the second fixed plate
Connection is inserted, the second stepper motor switch that the second stepper motor is equipped with by control panel surface is electrically connected with the power supply.
As a kind of optimal technical scheme of the utility model, the perforating mechanism includes hydraulic cylinder, the hydraulic cylinder
One end is fixedly connected with the bottom end of the second link block, and the hydraulic stem of the hydraulic cylinder is fixedly connected with the top of third fixed plate,
The bottom end of the third fixed plate is fixed with drilling motor, the fixed company of the transmission shaft of the drilling motor and one end of drill bit
It connects, the hydraulic cylinder and drilling motor pass through the hydraulic cylinder switch and drilling motor switch and electricity that control panel surface is equipped with respectively
Source is electrically connected.
As a kind of optimal technical scheme of the utility model, the dedusting mechanism includes vacuum chamber and suction box, described
The bottom end of vacuum chamber is fixedly connected with the side of enclosure top, and the side of the vacuum chamber is fixed with several cleaner heads, institute
The other side for stating vacuum chamber is fixedly connected by sweep-up pipe with one end of suction box, and the inside of the suction box is equipped with filter plate,
The side of the filter plate is equipped with hairbrush, the one end for the third electric telescopic rod that the top and suction box top of the hairbrush are equipped with
It being fixedly connected, the other end of the suction box is fixed with exhaust fan, and the suction opening of the exhaust fan is fixedly connected with suction box,
The side of the suction box is equipped with observation window, and the exhaust fan and third electric telescopic rod pass through control panel surface respectively and be equipped with
Exhaust fan switch and third electric expansion lever switch be electrically connected with the power supply.
Compared with prior art, the utility model has the beneficial effects that a kind of fire-proof plate punch device of the utility model, leads to
Cross the second electric telescopic rod flexible drive one of them "] " template is mobile, the both ends of fire-proof plate are fixed, the first electricity is crossed
The elongation of dynamic telescopic rod drives clamping plate to move down and the top of fire-proof plate is fixed, and can be effectively prevented fire-proof plate and exist
Position is moved in drill process；It is convenient for the position to perforating mechanism by the lateral adjustment and longitudinal adjusting mechanism that are equipped with
It sets and is adjusted, be convenient for being adjusted the height of drill bit by the hydraulic cylinder being equipped with；It is convenient for by the exhaust fan being equipped with by work
The scrap generated during making is pumped into suction box, is convenient for by the third electric telescopic rod and hairbrush that are equipped with to filter plate table
The scrap in face is cleared up.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the structural schematic diagram of the fire prevention plate fixation mechanism of the utility model；
Fig. 3 is the structural schematic diagram of the longitudinal adjusting mechanism of the utility model；
Fig. 4 is the structural schematic diagram of the suction box of the utility model；
Fig. 5 is the side structure schematic diagram of the vacuum chamber of the utility model.
In figure: 1, cabinet；2, supporting leg；3, "] " template；4, sliding slot；5, the first electric telescopic rod；6, clamping plate；7,
Two electric telescopic rods；8, bracket；9, the first fixed plate；10, the first stepper motor；11, the first screw rod；12, the first link block；
13, the first guide rod；14, the second fixed plate；15, second stepper motor；16, the second screw rod；17, the second link block；18, second
Guide rod；19, hydraulic cylinder；20, third fixed plate；21, drilling motor；22, drill bit；23, vacuum chamber；24, cleaner head；25, it inhales
Dirt case；26, filter plate；27, exhaust fan；28, third electric telescopic rod；29, hairbrush；30, observation window；31, control panel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of fire-proof plate punch device, including cabinet 1, the bottom end of cabinet 1
It is fixed with supporting leg 2, the top of cabinet 1 is equipped with fire prevention plate fixation mechanism, the fixed company in the top of cabinet 1 and the bottom end of bracket 8
It connects, the side on 8 top of bracket is fixed with lateral adjustment, and the bottom end of lateral adjustment is equipped with longitudinal adjusting mechanism, indulges
It is equipped with perforating mechanism to the bottom end of regulating mechanism, the side of cabinet 1 is equipped with dedusting mechanism, and the front of cabinet 1 is equipped with control panel
31。
Preferably, fire prevention plate fixation mechanism include two "] " template 3, two "] " template 3 is respectively fixedly disposed at cabinet 1
The two sides on top, "] " top of template 3 is fixed with three the first electric telescopic rods 5, one end of the first electric telescopic rod 5 with
The top of clamping plate 6 is fixedly connected, one of them "] " side of template 3 side that passes through the second electric telescopic rod 7 and bracket 8
Be fixedly connected, one of them "] " template 3 the sliding slot 4 that is equipped with 1 top of cabinet of the sliding block that is equipped with of bottom end be slidably connected, the first electricity
The first electric expansion lever switch that dynamic telescopic rod 5 and the second electric telescopic rod 7 are equipped with by 31 surface of control panel respectively and the
Two electric expansion lever switch are electrically connected with the power supply, and are consolidated by fire prevention plate fixation mechanism to various sizes of fire-proof plate
It is fixed.
Preferably, lateral adjustment includes the first fixed plate 9, one end of the first fixed plate 9 and the side on 8 top of bracket
It is fixedly connected, the side of the first fixed plate 9 is fixed with the first stepper motor 10, the transmission shaft and first of the first stepper motor 10
One end of screw rod 11 is fixedly connected, and the first screw rod 11 is threadedly coupled with the first feed screw nut that 12 side of the first link block is equipped with,
First fixed plate 9 passes through control panel by the first guide rod 13 and the interspersed connection of the first link block 12, the first stepper motor 10
The first stepping motor switch that 31 surfaces are equipped with is electrically connected with the power supply, and is convenient for the transverse direction to drill bit 22 by lateral adjustment
Position is adjusted.
Preferably, longitudinal adjusting mechanism includes the second fixed plate 14, the top of the second fixed plate 14 and the first link block 12
Bottom end be fixedly connected, the side of the second fixed plate 14 is fixed with second stepper motor 15, the transmission of second stepper motor 15
Axis is fixedly connected with one end of the second screw rod 16, second feed screw nut's spiral shell that the second screw rod 16 and 17 side of the second link block are equipped with
Line connection, the second link block 17 are passed through by the second guide rod 18 and the interspersed connection of the second fixed plate 14, second stepper motor 15
The second stepper motor switch that 31 surface of control panel is equipped with is electrically connected with the power supply, and is convenient for by longitudinal adjusting mechanism to drill bit
22 lengthwise position is adjusted.
Preferably, perforating mechanism includes hydraulic cylinder 19, the fixed company in the bottom end of one end of hydraulic cylinder 19 and the second link block 17
It connects, the hydraulic stem of hydraulic cylinder 19 is fixedly connected with the top of third fixed plate 20, and the bottom end of third fixed plate 20, which is fixed with, to be beaten
The transmission shaft of hole motor 21, drilling motor 21 is fixedly connected with one end of drill bit 22, and hydraulic cylinder 19 and drilling motor 21 lead to respectively
It crosses the hydraulic cylinder switch that 31 surface of control panel is equipped with to be electrically connected with the power supply with drilling motor switch, be convenient for by hydraulic cylinder 19
The height of drill bit 22 is adjusted, fire-proof plate is punched convenient for driving drill bit 22 to be rotated by drilling motor 21.
Preferably, dedusting mechanism includes vacuum chamber 23 and suction box 25, the side of the bottom end and 1 top of cabinet of vacuum chamber 23
It is fixedly connected, the side of vacuum chamber 23 is fixed with several cleaner heads 24, and the other side of vacuum chamber 23 by sweep-up pipe and is inhaled
One end of dirt case 25 is fixedly connected, and the inside of suction box 25 is equipped with filter plate 26, and the side of filter plate 26 is equipped with hairbrush 29, hairbrush
29 top is fixedly connected with the one end for the third electric telescopic rod 28 that 25 top of suction box is equipped with, and the other end of suction box 25 is solid
Surely it is equipped with exhaust fan 27, the suction opening of exhaust fan 27 is fixedly connected with suction box 25, and the side of suction box 25 is equipped with observation window 30,
The exhaust fan that exhaust fan 27 and third electric telescopic rod 28 are equipped with by 31 surface of control panel respectively, which switchs, and third is electronic stretches
Contracting lever switch is electrically connected with the power supply, and is convenient for the scrap generated in drill process being adsorbed onto suction box 25 by dedusting mechanism
In.
When specifically used, a kind of fire-proof plate punch device of the utility model, first staff will need the fire prevention punched
Plate be placed into two "] " above template 3, the second electric telescopic rod 7 is opened by the second electric expansion lever switch, pass through the second electricity
The flexible drive of dynamic telescopic rod 7 one of them "] " template 3 is mobile, the both ends of fire-proof plate are fixed, the first electricity is then passed through
Dynamic flexible lever switch opens the first electric telescopic rod 5, drives clamping plate 6 to move down by the elongation of the first electric telescopic rod 5
The top of fire-proof plate is fixed, the first stepper motor 10 is then opened by the first stepping motor switch, passes through the first step
Into motor 10 transmission shaft rotation drive the first screw rod 11, under the action of the first guide rod 13, drive the first link block 12 into
Row transverse shifting；Then it is switched by second stepper motor and opens second stepper motor 15, pass through the biography of second stepper motor 15
Moving axis rotation drives the second screw rod 16 to be rotated, and under the action of the second guide rod 18, drives the second link block 17 is longitudinal to move
It is dynamic, the position of perforating mechanism is adjusted, is then switched by drilling motor and opens drilling motor 21, pass through drilling motor 21
Drive drill bit 22 to be rotated, switched by hydraulic cylinder and open hydraulic cylinder 19, by the elongation of hydraulic cylinder 19 drive drill bit 22 to
Fire-proof plate is punched in lower movement, is then switched by exhaust fan and opens exhaust fan 27, by cleaner head 24 by drill process
The scrap of middle generation is pumped into suction box 25, is filtered by filter plate 26 to scrap, is opened by third electric telescopic rod
It closes and opens third electric telescopic rod 28, carried out clearly by third electric telescopic rod 28 with surface of the electric brush 29 to filter plate 26
Reason observes the scrap amount in suction box 25 by observation window 30, then opens the chamber door of suction box 25, to useless in suction box 25
Bits are cleared up.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu
Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of fire-proof plate punch device, including cabinet (1), which is characterized in that the bottom end of the cabinet (1) is fixed with support
Leg (2), the top of the cabinet (1) are equipped with fire prevention plate fixation mechanism, and the top of the cabinet (1) and the bottom end of bracket (8) are solid
Fixed connection, the side on bracket (8) top are fixed with lateral adjustment, and the bottom end of the lateral adjustment is equipped with vertical
To regulating mechanism, the bottom end of the longitudinal adjusting mechanism is equipped with perforating mechanism, and the side of the cabinet (1) is equipped with dedusting mechanism,
The front of the cabinet (1) is equipped with control panel (31).
2. a kind of fire-proof plate punch device according to claim 1, it is characterised in that: the fire prevention plate fixation mechanism includes
Two "] " template (3), described in two "] " template (3) is respectively fixedly disposed at the two sides on cabinet (1) top, described "] " template
(3) top is fixed with three the first electric telescopic rods (5), one end and clamping plate (6) of first electric telescopic rod (5)
Top be fixedly connected, described in one of them "] " side of template (3) pass through the second electric telescopic rod (7) and bracket (8) one
Side is fixedly connected, described in one of them "] " sliding slot (4) that is equipped with of the sliding block that is equipped with of template (3) bottom end and cabinet (1) top slides
Connection, first electric telescopic rod (5) and the second electric telescopic rod (7) be equipped with respectively by control panel (31) surface the
One electric expansion lever switch and the second electric expansion lever switch are electrically connected with the power supply.
3. a kind of fire-proof plate punch device according to claim 1, it is characterised in that: the lateral adjustment includes the
One end of one fixed plate (9), first fixed plate (9) is fixedly connected with the side on bracket (8) top, first fixed plate
(9) side is fixed with the first stepper motor (10), the transmission shaft and the first screw rod (11) of first stepper motor (10)
One end be fixedly connected, first feed screw nut's screw thread that first screw rod (11) and the first link block (12) side are equipped with connects
It connects, first fixed plate (9) passes through the first guide rod (13) and the first link block (12) interspersed connection, the first stepping electricity
Machine (10) is electrically connected with the power supply by the first stepping motor switch that control panel (31) surface is equipped with.
4. a kind of fire-proof plate punch device according to claim 2, it is characterised in that: the longitudinal adjusting mechanism includes the
The top of two fixed plates (14), second fixed plate (14) is fixedly connected with the bottom end of the first link block (12), and described second
The side of fixed plate (14) is fixed with second stepper motor (15), the transmission shaft of the second stepper motor (15) and second
One end of bar (16) is fixedly connected, second feed screw nut's spiral shell that second screw rod (16) is equipped with the second link block (17) side
Line connection, second link block (17) connect by the way that the second guide rod (18) and the second fixed plate (14) are interspersed, and described second
The second stepper motor switch that stepper motor (15) is equipped with by control panel (31) surface is electrically connected with the power supply.
5. a kind of fire-proof plate punch device according to claim 3, it is characterised in that: the perforating mechanism includes hydraulic cylinder
(19), one end of the hydraulic cylinder (19) is fixedly connected with the bottom end of the second link block (17), the hydraulic cylinder (19) it is hydraulic
Bar is fixedly connected with the top of third fixed plate (20), and the bottom end of the third fixed plate (20) is fixed with drilling motor
(21), the transmission shaft of the drilling motor (21) is fixedly connected with one end of drill bit (22), the hydraulic cylinder (19) and punching electricity
The hydraulic cylinder switch and drilling motor switch that machine (21) is equipped with by control panel (31) surface respectively are electrically connected with the power supply.
6. a kind of fire-proof plate punch device according to claim 1, it is characterised in that: the dedusting mechanism includes vacuum chamber
(23) it is fixedly connected with suction box (25), the bottom end of the vacuum chamber (23) with the side on cabinet (1) top, the vacuum chamber
(23) side is fixed with several cleaner heads (24), and the other side of the vacuum chamber (23) passes through sweep-up pipe and suction box
(25) one end is fixedly connected, and the inside of the suction box (25) is equipped with filter plate (26), and the side of the filter plate (26) is set
Have hairbrush (29), the one end for the third electric telescopic rod (28) that the top and suction box (25) top of the hairbrush (29) are equipped with is solid
Fixed connection, the other end of the suction box (25) are fixed with exhaust fan (27), the suction opening of the exhaust fan (27) and dust suction
Case (25) is fixedly connected, and the side of the suction box (25) is equipped with observation window (30), the exhaust fan (27) and third is electronic stretches
The exhaust fan switch and third electric expansion lever switch and power supply that contracting bar (28) is equipped with by control panel (31) surface respectively are electric
Property connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821163312.4U CN208514613U (en) | 2018-07-23 | 2018-07-23 | A kind of fire-proof plate punch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821163312.4U CN208514613U (en) | 2018-07-23 | 2018-07-23 | A kind of fire-proof plate punch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208514613U true CN208514613U (en) | 2019-02-19 |
Family
ID=65335109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821163312.4U Expired - Fee Related CN208514613U (en) | 2018-07-23 | 2018-07-23 | A kind of fire-proof plate punch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208514613U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039363A (en) * | 2019-04-15 | 2019-07-23 | 盐城恒通实业有限公司 | A kind of environment-friendly type backing plate processing clast cleaning equipment |
| CN110919756A (en) * | 2019-12-16 | 2020-03-27 | 李可娟 | Positioning type punching device for furniture board production and processing |
| CN111571719A (en) * | 2020-06-18 | 2020-08-25 | 吴阳 | Perforating device with locate function for construction |
| CN111975837A (en) * | 2020-08-12 | 2020-11-24 | 武汉花都科技集团有限公司 | Rotary workbench for processing steel-plastic furniture |
| CN112123440A (en) * | 2020-09-11 | 2020-12-25 | 湖南机电职业技术学院 | Accounting archives hole puncher |
| CN112222700A (en) * | 2020-08-28 | 2021-01-15 | 江苏久高电子科技有限公司 | Electric welding device for air fan production and manufacturing and welding method thereof |
-
2018
- 2018-07-23 CN CN201821163312.4U patent/CN208514613U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039363A (en) * | 2019-04-15 | 2019-07-23 | 盐城恒通实业有限公司 | A kind of environment-friendly type backing plate processing clast cleaning equipment |
| CN110039363B (en) * | 2019-04-15 | 2020-08-25 | 盐城恒通实业有限公司 | Environment-friendly piece clean-up equipment is used in backing plate processing |
| CN110919756A (en) * | 2019-12-16 | 2020-03-27 | 李可娟 | Positioning type punching device for furniture board production and processing |
| CN110919756B (en) * | 2019-12-16 | 2021-07-30 | 河北大维人造板有限公司 | Positioning type punching device for furniture board production and processing |
| CN111571719A (en) * | 2020-06-18 | 2020-08-25 | 吴阳 | Perforating device with locate function for construction |
| CN111975837A (en) * | 2020-08-12 | 2020-11-24 | 武汉花都科技集团有限公司 | Rotary workbench for processing steel-plastic furniture |
| CN112222700A (en) * | 2020-08-28 | 2021-01-15 | 江苏久高电子科技有限公司 | Electric welding device for air fan production and manufacturing and welding method thereof |
| CN112123440A (en) * | 2020-09-11 | 2020-12-25 | 湖南机电职业技术学院 | Accounting archives hole puncher |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190219 Termination date: 20190723 |