CN209287991U - A kind of coil of strip feeding device of SSAW pipe unit - Google Patents
A kind of coil of strip feeding device of SSAW pipe unit Download PDFInfo
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- CN209287991U CN209287991U CN201821887625.4U CN201821887625U CN209287991U CN 209287991 U CN209287991 U CN 209287991U CN 201821887625 U CN201821887625 U CN 201821887625U CN 209287991 U CN209287991 U CN 209287991U
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- Prior art keywords
- coil
- strip
- upper pressure
- pipe unit
- feeding device
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Abstract
The utility model relates to a kind of coil of strip feeding devices of SSAW pipe unit, belong to two-compartment oil tank technical field, its key points of the technical solution are that a kind of coil of strip feeding device of SSAW pipe unit, including base, a pair of connection frame facing each other is provided on base, the bottom of connection frame offers sliding slot, the sliding block being in sliding fit with the sliding chute is fixedly installed on base, it is rotatably connected to let off roll between a pair of of connection frame, achievees the effect that can be adapted for various sizes of coil of strip carries out feeding.
Description
Technical field
The utility model relates to a kind of coil of strip feeding of two-compartment oil tank technical field more particularly to SSAW pipe unit dresses
It sets.
Background technique
Two-compartment oil tank is commonly used to storage of raw materials oil, product oil and aromatic hydrocarbon product, and the inner canister of two-compartment oil tank is by high-intensitive gold
Belong to plate to be made, and the outer layer of two-compartment oil tank is usually that spraying has the effects that antirust, anti-oxidation coating in the outer surface of inner canister
It is formed.
And it is existing can refer to the Chinese patent that notification number is CN207900640U, it discloses a kind of novel bilayer oil
Tank spiral tank body welding equipment, which as manufactures the inner canister of two-compartment oil tank, including preceding bridge, the top left side of preceding bridge
It is connected with uncoiler, unreel coil opener and three-roller, uncoiler is in the left side of unreel coil opener, and unreel coil opener is in three-roller
Left side is connected with two groups of oil at the top of preceding bridge and moves edger roll, and two groups of oil move edger roll and are connected at the top of the right side of three-roller, preceding bridge
Butt welding is sheared, shearing is moved between edger roll to two groups of oil are welded in, five-roller is connected at the top of preceding bridge, manual edger roll, delivery machine, is led
Panel assembly and pipe installation.The welding equipment reequips part-structure on the basis of conventional helical pipe unit, so that
Inner canister is less prone to gouge deformation in production, improves the quality of production of inner canister.
Prior art among the above has the following deficiencies: that above-mentioned two-compartment oil tank spiral tank body welding equipment passes through uncoiling
Machine carries out blowing, but existing uncoiler can only drive coil of strip to rotate blowing, can not adjust the coiling size of itself, work as institute
When the coil of strip size needed changes, then the uncoiler of different model is needed, it is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of SSAW pipe units that can be adapted for various sizes of coil of strip
Coil of strip feeding device.
The technical purpose of the utility model has the technical scheme that
A kind of coil of strip feeding device of SSAW pipe unit, including base are provided with a pair of company facing each other on base
Connect frame, the bottom of connection frame offers sliding slot, be fixedly installed the sliding block being in sliding fit with the sliding chute on base, a pair of of connection frame it
Between be rotatably connected to let off roll.
Through the above technical solutions, each coil volume all carries a corresponding let off roll, when the width dimensions of spring tape
When changing, the length of corresponding let off roll is also different, can push connection frame at this time, adjusts the sliding slot so that connection frame bottom
Sliding block corresponding on base is opposite to be slided, and the distance between a pair of of connection frame is enabled to be not less than the length of let off roll, then again will
The let off roll for being wrapped coil of strip is mounted on a pair of of connection frame and is rotatablely connected with a pair of of connection frame, each difference is long
The let off roll of degree can be installed by adjusting the distance between a pair of of connection frame, so that the coil of strip feeding device energy
Enough it is suitable for the coil of strip of different width dimensions, expands the scope of application.
The utility model is further arranged to: there are two Level tune hydraulic cylinder, two water for fixed setting on the base
Heibei provincial opera section hydraulic cylinder is facing each other and is located at the side that connection frame deviates from let off roll, the piston rod of Level tune hydraulic cylinder and connection
Frame is affixed.
Through the above technical solutions, driving connection frame to slide with respect to base by two Level tune hydraulic cylinders, on the one hand
The sliding smoothness of connection frame is improved, on the other hand after adjusting distance, let off roll is mounted on a pair of of connection frame, water
Heibei provincial opera section hydraulic cylinder can apply thrust to two connection frames and mention so that two connection frames withstand let off roll without falling off
The high rotational stability of let off roll, so that the coil of strip blowing of let off roll is relatively stable reliable.
The utility model is further arranged to: being offered vertical slide opening on the connection frame, is slidably connected in slide opening
Height adjusting block, let off roll and height adjusting block are rotatablely connected, and the top of connection frame is fixedly installed height adjustment hydraulic cylinder, high
The piston rod that degree adjusts hydraulic cylinder is downwards and affixed with height adjusting block.
Through the above technical solutions, height adjustment hydraulic cylinder can by piston rod drive height adjusting block in slide opening on
Lower slider moves up and down so as to adjust with the let off roll that height adjusting block is rotatablely connected, therefore improves the central axis of let off roll
The distance of line-spacing frame upper surface, when the coil of strip winding number wound on the circumferential surface of let off roll is more, corresponding winding radius
Greatly, can use height adjustment hydraulic cylinder drive it is in height adjusting block sliding, thus increase let off roll apart from frame upper surface away from
From to guarantee that coil of strip can be unreeled smoothly, and as coil of strip constantly unreels, the coil of strip winding radius on the circumferential surface of let off roll subtracts
It is small, it can use height adjustment hydraulic cylinder and height adjusting block driven suitably to glide, so that coil of strip can be unreeled smoothly, into one
Step raising coil of strip unreels flexibility.
The utility model is further arranged to: the side of the base is provided with feeding platform, the length direction of feeding platform with
Line between a pair of of connection frame is vertical, and feeding platform is provided with the first flattener module, the first pressing group at the position of base
Part includes the first pressing frame, flattens the upper pressure roller that frame is rotatablely connected and the pushing with the first pressing frame rotation connection with first
Roller, upper pressure roller and lower compression roller are mutually aligned and up and down to just.
Through the above technical solutions, coil of strip from let off roll unreel, the coil of strip then paved pass through the first pressing group
Part carries out pressing processing, specifically flattens mode are as follows: coil of strip passes through between upper pressure roller and lower compression roller and connects with upper pressure roller, lower compression roller
Touching, coil of strip will drive pressure roller and lower compression roller rotation, are driven plain simultaneously, after pressing when by between upper pressure roller and lower compression roller
Coil of strip feeding it is more convenient.
The utility model is further arranged to: the upper pressure roller and lower compression roller include it is multiple, each upper pressure roller and its
In a lower compression roller is parallel up and down, alignment.
Through the above technical solutions, the upper pressure roller and lower compression roller of multiple parallel alignments up and down enable coil of strip to obtain more
Comprehensive pressing is added to handle, and upper pressure roller and lower compression roller consistency from top to bottom, so that coil of strip stress when flattening is more uniform,
Improve the pressing quality of coil of strip.
The utility model is further arranged to: being fixedly installed pressing hydraulic cylinder above the first pressing frame, is flattened
The piston rod of hydraulic cylinder downwards and is connected with the adjusting block being slidably connected with feeding platform, and multiple upper pressure rollers turn with adjusting block
Dynamic connection.
Adjusting block can be driven to slide up and down through the above technical solutions, flattening hydraulic cylinder, so as to adjust upper pressure roller under
The distance between pressure roller expands the scope of application of the first flattener module to be used in the coil of strip for flattening different-thickness.
The utility model is further arranged to: first flattener module is provided with the second pressing group far from the side of base
Part, the second flattener module include upper pressure rack, lower platen, and upper pressure rack and feeding platform are affixed, and lower platen is located at the underface of upper pressure rack.
Through the above technical solutions, the setting of the second flattener module further carries out pressing processing to coil of strip, when flattening,
Coil of strip is passed through between upper pressure rack and lower platen, larger with the contact area of coil of strip since lower platen is tabular, so that
The pressing effect of coil of strip is preferable, further increases the pressing quality of coil of strip.
The utility model is further arranged to: the upper pressure being fixedly connected with feeding platform is provided with immediately below the lower platen
Hydraulic cylinder, the piston rod of upper pressure cylinder are vertically upward and affixed with lower platen.
Through the above technical solutions, upper pressure cylinder can drive pushing when coil of strip passes through between upper pressure rack and lower platen
Plate uplink so that lower platen is preferably pressed on coil of strip, therefore further improves the pressing quality of coil of strip.
The utility model is further arranged to: the first pressing frame is provided with upper cleaner plate under far from the side of base
Cleaner plate, upper cleaner plate and adjusting block are affixed, and upper cleaner plate is concordant with the lower surface of upper pressure roller, and bottom clearer board and first flattens
Frame is affixed, and bottom clearer board is concordant with the upper surface of lower compression roller.
Through the above technical solutions, coil of strip by the first flattener module pressing processing after, then from upper cleaner plate and under
It is passed through between cleaner plate, so that the sundries adhered on coil of strip surface be removed, improves the surface quality of coil of strip, and due to supernatant
Clean plate and adjusting block are affixed, therefore when pressing hydraulic cylinder drives adjusting block to move up and down, also drive upper cleaner plate or more simultaneously
It is mobile, it is ensured that upper cleaner plate can be always with upper pressure roller synchronous pressure in the upper surface of coil of strip, the upper table of bottom clearer board and lower compression roller
Face is concordant, therefore bottom clearer board can also guarantee to abut with the lower surface of coil of strip to be cleared up.
The utility model is further arranged to: the lower surface of the upper cleaner plate and the upper surface of bottom clearer board are respectively provided with
There is bristle.
Through the above technical solutions, the setting of bristle enables cleaner plate, bottom clearer board to adhere to coil of strip surface
Impurity removes more thorough, and then greatly improves coil of strip surface quality.
In conclusion the advantageous effects of the utility model are as follows:
1, hydraulic by a pair of connection frame being slidably connected with base of setting and the Level tune for driving connection frame to slide
Cylinder expands the scope of application of the coil of strip feeding device；
2, the slide opening being adapted to is slided by setting height adjustment hydraulic cylinder, height adjusting block and with height adjusting block, mentioned
High coil of strip unreels smoothness and expansion coil of strip around the coil diameter scope of application；
2, by the first flattener module of setting, the pressing quality of coil of strip is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlargement diagram in Fig. 1 at A.
Appended drawing reference: 1, base；11, sliding block；12, connection frame；121, sliding slot；122, slide opening；123, height adjusting block；
1231, let off roll；124, height adjustment hydraulic cylinder；13, Level tune hydraulic cylinder；2, feeding platform；3, the first flattener module；31,
First flattens frame；32, upper pressure roller；321, adjusting block；322, hydraulic cylinder is flattened；33, lower compression roller；4, the second flattener module；41, on
Pressure rack；42, lower platen；421, upper pressure cylinder；5, upper cleaner plate；51, bottom clearer board；52, bristle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of coil of strip feeding device of SSAW pipe unit is slided on base 1 and is provided with as shown in Figure 1, including base 1
A pair is vertically arranged and connection frame 12 facing each other, for installing the let off roll of winding coil of strip between a pair of of connection frame 12
1231, since the distance between a pair of of connection frame 12 is adjustable, putting for different length can be installed between a pair of of connection frame 12
Winding up roller 1231, and the let off roll 1231 of different length is corresponding is the coil of strip of different in width, to expand coil of strip feeding dress
The size scope of application set.The side of base 1 is provided with feeding platform 2, and 3 He of the first flattener module is disposed on feeding platform 2
Coil of strip can be carried out pressing processing by the second flattener module 4, the first flattener module 3 and the second flattener module 4, so that coil of strip is convenient for
Feeding.
As shown in Figure 1, the two sides of base 1 are fixedly installed sliding block 11, the bottom of connection frame 12 offers sliding with sliding block 11
The sliding slot 121 of dynamic adaptation, and a pair of of connection frame 12 can be slid in opposition by the cooperation of 11 sliding slot 121 of sliding block, it is fixed on base 1
There are two Level tune hydraulic cylinders 13 for setting, and the piston rod of two Level tune hydraulic cylinders 13 is facing each other, and two horizontal tune
Section hydraulic cylinder 13 be located at two connection frames 12 deviate from let off roll 1231 side, the piston rod of Level tune hydraulic cylinder 13 with
Connection frame 12 is affixed, and two Level tune hydraulic cylinders 13 can drive a pair of of connection frame 12 close to each other or fortune away from each other
It is dynamic.
As shown in Figure 1, offering vertical slide opening 122 on connection frame 12, sliding is provided with height adjusting block in slide opening 122
123, the top of connection frame 12 is fixedly installed height adjustment hydraulic cylinder 124, the vertical court of the piston rod of height adjustment hydraulic cylinder 124
It is lower and affixed with height adjusting block 123, for installing let off roll between two height adjusting blocks 123 on a pair of of connection frame 12
1231, and let off roll 1231 and height adjusting block 123 are rotatablely connected.
As shown in Figure 1, the coil of strip of different width dimensions can correspond to the let off roll 1231 of a different length in feeding,
The drive piston rod of Level tune hydraulic cylinder 13 is enabled to shrink first, piston rod drives a pair of of connection frame 12 to be separated from each other, when a pair connects
When connecing length of the distance between the frame 12 not less than let off roll 1231, let off roll 1231 is put between a pair of of connection frame 12 and is pacified
In height adjusting block 123, let off roll 1231 and height adjusting block 123 are rotatablely connected, and Level tune hydraulic cylinder 13 exists at this time
Connection frame 12 is pushed, so that let off roll 1231 is moved towards and clamps let off roll 1231 by two connection frames 12, improves let off roll
1231 stability.For the coil of strip of different width dimensions, adjusted between two connection frames 12 using Level tune hydraulic cylinder 13
Distance.When the coil of strip winding radius on let off roll 1231 is larger, height can be driven by height adjustment hydraulic cylinder 124
123 uplink of adjustment block is spent, so that distance of the let off roll 1231 apart from base upper surface increases, that is, can guarantee that let off roll 1231 can
Stablize and unreels and not will receive interference, the further expansion scope of application of the feeding device for various sizes of coil of strip.
As shown in Figure 1, the first flattener module 3 includes that the first pressing frame 31 and first affixed with feeding platform 2 flattens frame 31
The upper pressure roller 32 of rotation connection and with upper about 32 pressure roller to positive lower compression roller 33, upper pressure roller 32 and lower compression roller 33 are including more
A, and multiple upper pressure rollers 32 and multiple 33 consistencies from top to bottom of lower compression roller and parallel, lower compression roller 33 and first flattens frame 31 and is rotatablely connected,
The two sides of first pressing frame 31 slidably connect adjusting block 321, and multiple upper pressure rollers 32 are rotatablely connected with adjusting block 321, the first pressure
The upper end of flatrack 31, which is fixedly installed, flattens hydraulic cylinder 322, flattens the piston rod of hydraulic cylinder 322 downwards and and adjusting block
321 is affixed, can drive multiple 32 downlinks of upper pressure roller by flattening hydraulic cylinder 322, on the one hand adjustable upper pressure roller 32 is under
On the other hand upper pressure roller 32 can be more tightly against by the distance between pressure roller 33 to be suitable for the coil of strip of different-thickness
On coil of strip, improves and flatten quality.
As shown in Figure 1, the second flattener module 4 include the upper pressure rack 41 being fixedly connected with feeding platform 2 and be located at upper pressure rack
41 lower anti-lower platens 42, the lower surface of upper pressure rack 41 and the upper surface of lower platen 42 be in be it is planar, it is solid on feeding platform 2
Surely it is provided with pressure cylinder 421, upper pressure cylinder 421 is located at the lower section of lower platen 42, and the piston rod of upper pressure cylinder 421 is perpendicular
It is straight upward and affixed with lower platen 42.Coil of strip is passed through between upper pressure rack 41 and lower platen 42, and upper pressure cylinder 421, which drives, to be pushed
42 uplink of plate and the lower surface for being connected to spring tape are handled so as to play further pressing to spring tape.
The first pressing frame 31 is provided with upper cleaner plate 5 and bottom clearer board far from the side of base 1 combined with Figure 1 and Figure 2,
51, upper cleaner plate 5 is fixedly connected with adjusting block 321, and sliding up and down together with adjusting block 321, the following table of upper cleaner plate 5
Face is concordant with the lowermost end of upper pressure roller 32, bottom clearer board 51 and first flatten frame 31 it is affixed, and the upper surface of bottom clearer board 51 with
The top of lower compression roller 33 is concordant, and the lower surface of upper cleaner plate 5 and the upper surface of bottom clearer board 51 are provided with bristle 52.Steel
When volume is by between upper cleaner plate 5 and bottom clearer board 51, the impurity of coil of strip adsorption can be removed, and the surface matter of coil of strip is improved
Amount.
The implementation principle of the present embodiment are as follows: when needing the coil of strip size of feeding to change, first with Level tune
Hydraulic cylinder 13 drives connection frame 12 to slide with respect to base 1, so that the distance between a pair of of connection frame 12 is not less than let off roll 1231
Length, while using height adjustment hydraulic cylinder 124 drive height adjusting block 123 slided up and down in slide opening 122, then will put
Winding up roller 1231 is mounted in a pair of of height adjusting block 123, it is ensured that and the lowermost end of let off roll 1231 will not be interfered with base 1,
Then let off roll 1231 is again steadily clamped a pair of of connection frame 12 by Level tune hydraulic cylinder 13, guarantees that let off roll 1231 can
Rotate blanking, but will not fall off, improve the stability of feeding, thus the coil of strip feeding device can be suitable for it is various sizes of
Coil of strip feeding.Coil of strip is successively obtained by the first flattener module 3 and the second flattener module 4 after 1231 blowing of let off roll
The surface quality of coil of strip is improved when effectively flattening, and passing through between upper cleaner plate 5 and bottom clearer board 51.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of coil of strip feeding device of SSAW pipe unit, including base (1), it is characterised in that: be arranged on the base (1)
There is a pair of connection frame (12) facing each other, the bottom of connection frame (12) offers sliding slot (121), and base is fixedly installed on (1)
There is the sliding block (11) being slidably matched with sliding slot (121), is rotatably connected to let off roll (1231) between a pair of of connection frame (12).
2. a kind of coil of strip feeding device of SSAW pipe unit according to claim 1, it is characterised in that: the base
(1) there are two Level tune hydraulic cylinder (13) for fixed setting on, and two Level tune hydraulic cylinders (13) are facing each other and are located at company
The side that frame (12) deviate from let off roll (1231) is connect, the piston rod and connection frame (12) of Level tune hydraulic cylinder (13) are affixed.
3. a kind of coil of strip feeding device of SSAW pipe unit according to claim 1, it is characterised in that: the connection frame
(12) it offers vertical slide opening (122), is slidably connected height adjusting block (123) in slide opening (122), let off roll (1231) on
It is rotatablely connected with height adjusting block (123), the top of connection frame (12) is fixedly installed height adjustment hydraulic cylinder (124), height
The piston rod for adjusting hydraulic cylinder (124) is downwards and affixed with height adjusting block (123).
4. a kind of coil of strip feeding device of SSAW pipe unit according to claim 1, it is characterised in that: the base
(1) side is provided with feeding platform (2), and the line between the length direction of feeding platform (2) and a pair of of connection frame (12) is vertical, on
Material platform (2) is provided with the first flattener module (3) at the position of base (1), and the first flattener module (3) includes the first pressing frame
(31), the lower compression roller for flattening the upper pressure roller (32) of frame (31) rotation connection with first and flattening frame (31) rotation connection with first
(33), upper pressure roller (32) and lower compression roller (33) are mutually aligned and up and down to just.
5. a kind of coil of strip feeding device of SSAW pipe unit according to claim 4, it is characterised in that: the upper pressure roller
(32) and lower compression roller (33) is including multiple, and each upper pressure roller (32) are parallel up and down with one of lower compression roller (33), are aligned.
6. a kind of coil of strip feeding device of SSAW pipe unit according to claim 4, it is characterised in that: first pressure
It is fixedly installed above flatrack (31) and flattens hydraulic cylinder (322), the piston rod for flattening hydraulic cylinder (322) is downwards and affixed
There is the adjusting block (321) being slidably connected with feeding platform (2), multiple upper pressure rollers (32) are rotatablely connected with adjusting block (321).
7. a kind of coil of strip feeding device of SSAW pipe unit according to claim 4, it is characterised in that: first pressure
Flat component (3) is provided with the second flattener module (4) far from the side of base (1), and the second flattener module (4) includes upper pressure rack
(41), lower platen (42), upper pressure rack (41) and feeding platform (2) are affixed, and lower platen (42) is located at the underface of upper pressure rack (41).
8. a kind of coil of strip feeding device of SSAW pipe unit according to claim 7, it is characterised in that: the lower platen
(42) the upper pressure cylinder (421) being fixedly connected with feeding platform (2), the piston of upper pressure cylinder (421) are provided with immediately below
Bar is vertically upward and affixed with lower platen (42).
9. a kind of coil of strip feeding device of SSAW pipe unit according to claim 6, it is characterised in that: first pressure
Flatrack (31) is provided with cleaner plate (5) and bottom clearer board (51), upper cleaner plate (5) and adjusting block far from the side of base (1)
(321) affixed, and upper cleaner plate (5) is concordant with the lower surface of upper pressure roller (32), bottom clearer board (51) flattens frame (31) with first
It is affixed, and bottom clearer board (51) is concordant with the upper surface of lower compression roller (33).
10. a kind of coil of strip feeding device of SSAW pipe unit according to claim 9, it is characterised in that: the supernatant
The lower surface of clean plate (5) and the upper surface of bottom clearer board (51) are provided with bristle (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887625.4U CN209287991U (en) | 2018-11-15 | 2018-11-15 | A kind of coil of strip feeding device of SSAW pipe unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887625.4U CN209287991U (en) | 2018-11-15 | 2018-11-15 | A kind of coil of strip feeding device of SSAW pipe unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209287991U true CN209287991U (en) | 2019-08-23 |
Family
ID=67644544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821887625.4U Expired - Fee Related CN209287991U (en) | 2018-11-15 | 2018-11-15 | A kind of coil of strip feeding device of SSAW pipe unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209287991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390331A (en) * | 2020-04-08 | 2020-07-10 | 崔亮 | A soldering tin device for flexible line way board |
| CN111872702A (en) * | 2020-08-03 | 2020-11-03 | 四川华体照明科技股份有限公司 | Plate flattening and slitting device for lamp post production line |
| CN113751532A (en) * | 2020-06-05 | 2021-12-07 | 临沂盖氏机械有限公司 | Hydraulic heavy-duty steel coil uncoiling machine |
-
2018
- 2018-11-15 CN CN201821887625.4U patent/CN209287991U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390331A (en) * | 2020-04-08 | 2020-07-10 | 崔亮 | A soldering tin device for flexible line way board |
| CN113751532A (en) * | 2020-06-05 | 2021-12-07 | 临沂盖氏机械有限公司 | Hydraulic heavy-duty steel coil uncoiling machine |
| CN111872702A (en) * | 2020-08-03 | 2020-11-03 | 四川华体照明科技股份有限公司 | Plate flattening and slitting device for lamp post production line |
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Legal Events
| 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: 20190823 Termination date: 20211115 |