CN211386122U - Compression roller device of huller - Google Patents
Compression roller device of huller Download PDFInfo
- Publication number
- CN211386122U CN211386122U CN201921091082.XU CN201921091082U CN211386122U CN 211386122 U CN211386122 U CN 211386122U CN 201921091082 U CN201921091082 U CN 201921091082U CN 211386122 U CN211386122 U CN 211386122U
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- compression roller
- roller
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Abstract
The utility model provides a huller compression roller device, which belongs to the field of band steel compression rollers and comprises a compression roller frame, a compression roller assembly and a guide plate, wherein the compression roller assembly is arranged inside the compression roller frame, the guide plate assembly comprises a guide plate and a guide plate, the guide plate is fixedly arranged at the position of a discharge port at the left side of the compression roller frame, the compression roller assembly comprises a guide roller and a front compression roller assembly, pinch roller combination, back compression roller combination, adjusting roller combination and two derivation rollers, guide roll fixed mounting is in compression roller frame right side upper end, preceding compression roller combination is located guide roll left side below and slidable mounting in the compression roller frame, pinch roller combination fixed mounting is in the compression roller frame, adjusting roller combination is located between preceding compression roller combination and the pinch roller combination and fixed connection is in the compression roller frame, back compression roller combination slidable mounting is in compression roller frame left end, derivation roller fixed mounting just is located derivation board both sides in the compression roller frame. The utility model discloses simple structure, can adapt to the belted steel of different width and different thickness and carry out the compression roller operation.
Description
Technical Field
The utility model belongs to belted steel compression roller field especially relates to a peel machine compression roller device.
Background
In the prior art, the rust is usually removed by an acid washing method, but for strip steel with serious rust, the acid washing is long in time consumption and easily affects the surface quality of the strip steel, in view of the situation, the strip steel is usually required to be subjected to shelling treatment firstly, and then subsequent operation can be performed, the most important step of the shelling treatment is to carry out roller shelling treatment on strip coils, most of rollers of the existing roller device can not be correspondingly adjusted according to the changes of the thickness of the production line and the width of the strip steel with surface hardness in the use process, so that the strip steel is frequently crushed or indentation is left on the surface of the strip steel, the working progress and the product quality are affected, and the occasional roller device with adjustable distance also utilizes the principle that a screw rod ejects out a limiting rod to adjust, the structure is complicated, and simultaneously, due to the size limitation of the limiting rods and the asynchronism of the limiting rods at two sides, the adjustment width range is limited, and meanwhile, the strip steel is not easy to be ensured to be positioned at the central position of the compression roller device.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a simple structure, guarantee that belted steel is in compression roller device central point always puts, adapts to the sheller compression roller device of different width and different thickness belted steel simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this: the automatic feeding device comprises a compression roller frame, a compression roller assembly and a guide plate, wherein the compression roller assembly is arranged inside the compression roller frame, the guide plate assembly comprises a guide plate and a guide plate, the guide plate is fixedly arranged at the position of a right feeding port of the compression roller frame, the guide plate is fixedly arranged at the position of a left discharging port of the compression roller frame, the compression roller assembly comprises a guide roller, a front compression roller assembly, a pinch compression roller assembly, a rear compression roller assembly, an adjusting roller assembly and two guide rollers, the guide roller is fixedly arranged at the right upper end of the compression roller frame, the front compression roller assembly is arranged at the left lower part of the guide roller and is slidably arranged on the compression roller frame, the pinch compression roller assembly is fixedly arranged on the compression roller frame, the adjusting roller assembly is arranged between the front compression roller assembly and the pinch compression roller assembly and is fixedly connected on the compression roller, the rear press roller combination is slidably mounted at the left end of the press roller rack, and the guide-out rollers are fixedly mounted on the press roller rack and located on two sides of the guide-out plate.
Further, preceding compression roller combination includes compression roller, second preceding compression roller, preceding compression roller seat and two preceding compression roller hydro-cylinders before first preceding compression roller seat, preceding compression roller seat counts two sets together, and every group is two, and the compression roller seat slidable mounting is in before the first group on the lateral wall of compression roller frame both sides, and connect and be in first preceding compression roller both ends, second group preceding compression roller seat are located under the first group and install in the compression roller frame, and connect compression roller both ends before the second, preceding compression roller hydro-cylinder with compression roller seat upper end fixed connection before the first group.
Furthermore, press the roll set combination including first press roll, second press roll and press roll seat, press roll seat to press to add totally two sets ofly, every group is two, and first group press roll seat to press to send fixed mounting in on the lateral wall of compression roller frame both sides, and connect and be in first press roll both ends of pressing to send, second group press roll seat to send and is located under first group and installs in on the compression roller frame, and connect and press roll both ends to send to the second.
Further, back compression roller combination includes compression roller, second back compression roller, back compression roller seat and two back compression roller hydro-cylinders behind first back compression roller, back compression roller seat counts two sets together, and every group is two, and first group back compression roller seat slidable mounting is in on the lateral wall of compression roller frame both sides, and connect first back compression roller both ends, second group back compression roller seat lie in under first group and install in the compression roller frame, and connect compression roller both ends behind the second, back compression roller hydro-cylinder with compression roller seat upper end fixed connection behind first group.
Furthermore, rolling bearings are arranged in the compression roller seats at the two ends of the front compression roller combination, the pinch compression roller combination and the rear compression roller combination.
Furthermore, the adjusting roller assembly comprises two guide transverse shafts, adjusting lead screws, adjusting blocks, adjusting wheels, a cross beam and fixing blocks, the guide transverse shafts are fixedly mounted on the compression roller frame and are horizontally aligned in parallel, the cross beam is positioned right above the guide transverse shafts and is fixedly mounted on the compression roller frame, the fixing blocks penetrate through and are fixed at the middle positions of the cross beam, the adjusting lead screws and the guide transverse shafts are horizontally arranged in parallel, the left ends of the adjusting lead screws are fixed on the left wall of the compression roller frame, the right ends of the adjusting lead screws penetrate through the right wall of the compression roller frame and are connected with the adjusting wheels, and each adjusting block through hole penetrates through the guide transverse shafts and the adjusting lead screws and is connected with the two ends of the;
the adjusting screw rod is manually operated, and rolling bearings are arranged at the joints of the two ends of the adjusting screw rod and the compression roller frame.
Furthermore, the adjusting block comprises two cylinders and a sliding block, and the two cylinders are symmetrically and fixedly arranged at the upper end of the sliding block.
Further, the diameter size of the cylinder is larger than the width size of the sliding block.
Further, the leading-in board includes lifter plate, overhead gage, first hydro-cylinder, two first supports and dull and stereotyped down, the lifter plate is located the right-hand member is extremely right-hand member of compression roller frame, two first support central lines set up relatively, and a support fixed mounting be in the lifter plate lower extreme, a support fixed mounting be in the compression roller frame, first hydro-cylinder both ends respectively with first support is articulated, dull and stereotyped both sides fixed mounting is in the compression roller frame down, and its right-hand member with the lifter plate is articulated, the overhead gage is located dull and stereotyped upper portion and fixed mounting are in the compression roller frame down.
Furthermore, the upper baffle and the lower flat plate form an acute angle, so that the feeding port is of a horn mouth structure which is changed from big to small.
Compared with the prior art, peel machine compression roller device have following advantage:
(1) the front compression roller combination and the rear compression roller combination of the utility model can adjust the distance between the compression rollers through the oil cylinder, and can realize compression roller treatment on band steel with different thicknesses;
(2) the adjusting roller combination of the utility model is provided with two guide transverse shafts, which can better ensure the operation stability of the adjusting block and ensure the stable and smooth operation of the adjusting roller combination;
(3) the adjusting roller assembly is a manual screw nut structure, simple structure, convenient operation and lower cost.
(4) The adjusting roller combination can be transversely adjusted according to the width difference of strip steel, so that the huller compression roller device can hulle the strip steel with different widths.
(5) The overhead gage with dull and stereotyped acute angle down for the pan feeding mouth becomes by the bellmouth structure that diminishes greatly, makes things convenient for belted steel to get into the compression roller assembly.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a huller roller assembly according to an embodiment of the present invention;
fig. 2 is a schematic top view of a compression roller device of a huller according to an embodiment of the present invention;
fig. 3 is a schematic sectional view a-a of a huller roller assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an adjusting roller assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an adjusting block according to an embodiment of the present invention.
Description of reference numerals:
7. a press roll frame; 8. a press roll assembly; 81. a guide roller; 82. a front press roll combination; 821. a first front press roll; 822. a second front press roll; 823. a front press roller oil cylinder; 824. a front press roll seat; 83. a clamping and conveying press roll combination; 831. a first pinch roller; 832. a second pinch roller; 833. a pinch roll holder; 84. a rear press roll combination; 841. a first back press roll; 842. a second back press roll; 843. a back press roller oil cylinder; 844. a rear press roll seat; 85. adjusting roller combination; 851. a guide cross shaft; 852. adjusting a lead screw; 853. an adjusting block; 8531. a cylinder; 8532. a sliding block; 854. an adjustment wheel; 855. a cross beam; 856. a fixed block; 86. a delivery roller; 9. a guide plate; 91. a guide-in plate; 911. a lifting plate; 912. an upper baffle plate; 913. a first cylinder; 914. a first support; 915. a lower flat plate; 92. a lead-out plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, 2, 3, 4 and 5, the utility model relates to a compression roller device of huller, which comprises a compression roller frame 7, a compression roller assembly 8 and a guide plate 9, wherein the compression roller assembly 8 is arranged inside the compression roller frame 7, the guide plate 9 comprises an inlet plate 91 and an outlet plate 92, the inlet plate 91 is fixedly arranged at the right side inlet position of the compression roller frame 7, the outlet plate 92 is fixedly arranged at the left side outlet position of the compression roller frame 7, the compression roller assembly 8 comprises a guide roller 81, a front compression roller assembly 82, a pinch roller assembly 83, a rear compression roller assembly 84, an adjusting roller assembly 85 and two outlet rollers 86, the guide roller 81 is fixedly arranged at the upper right side end of the compression roller frame 7, the front compression roller assembly 82 is arranged at the left lower side of the guide roller 81 and is slidably arranged on the compression roller frame 7, pinch roller combination 83 fixed mounting is in on the compression roller frame 7, the adjustment roller combination is located preceding compression roller combination 82 with pinch between the compression roller combination 83 and fixed connection be in on the compression roller frame 7, back compression roller combination 84 slidable mounting be in compression roller frame 7 left end, guide roller 86 fixed mounting be in on the compression roller frame 7 and be located guide plate 92 both sides guarantee that belted steel is smooth and easy and can not appear scraping the phenomenon such as in the operation.
The front press roller combination 82 comprises a first front press roller 821, a second front press roller 822, a front press roller seat 824 and two front press roller oil cylinders 823, the number of the front press roller seats 824 is two, each group is two, the first front press roller seat 824 is slidably mounted on the side walls of the two sides of the press roller frame 7 and connected to the two ends of the first front press roller 821, the second front press roller seat 824 is located under the first group and mounted on the press roller frame 7 and connected to the two ends of the second front press roller 822, the front press roller oil cylinders 823 are fixedly connected to the upper ends of the first front press roller seat 824, and the distance between the first front press roller 821 and the second front press roller 822 can be adjusted by controlling the front press roller oil cylinders 823.
Pinch roll combination 83 includes that first pinch roll 831, second pinch roll 832 send roll holder 833, pinch roll holder 833 totally two sets of, and every group is two, and first set pinch roll holder 833 fixed mounting is in on the lateral wall of compression roller frame 7 both sides, and connects first pinch roll 831 both ends, second set pinch roll holder 833 is located under the first set and installs on compression roller frame 7, and connects second pinch roll 832 both ends.
Back compression roller combination 84 includes first back compression roller 841, second back compression roller 842, back compression roller base 844 and two back compression roller hydro-cylinders 843, back compression roller base 844 totals two sets ofly, and every group is two, and first group back compression roller base 844 slidable mounting is in on the lateral wall of compression roller frame 7 both sides, and connects first back compression roller 841 both ends, second group back compression roller base 844 are located under the first group and install on compression roller frame 7, and connect compression roller 842 both ends behind the second, back compression roller 843 with first group back compression roller base 844 upper end fixed connection just can adjust the interval between first back compression roller 841 and the second back compression roller 842 through control back hydro-cylinder 843.
Rolling bearings are arranged in the pressure roller seats at the two ends of the front pressure roller combination 82, the pinch pressure roller combination 83 and the rear pressure roller combination 84, the operation is reliable, the starting performance is good, and the front pressure roller combination 82, the pinch pressure roller combination 83 and the rear pressure roller combination 84 can be guaranteed to operate normally respectively.
The adjusting roller assembly 85 comprises two guide transverse shafts 851, adjusting lead screws 852, adjusting blocks 853, adjusting wheels 854, a cross beam 855 and a fixing block 856, wherein the guide transverse shafts 851 are fixedly installed on the compression roller frame 7 and are aligned horizontally in parallel, the cross beam 855 is positioned over the guide transverse shafts 851 and is fixedly installed on the compression roller frame 7, the fixing block 856 penetrates and is fixed at the middle position of the cross beam 855, the adjusting lead screws 852 are horizontally arranged in parallel with the guide transverse shafts 851, the left ends of the adjusting lead screws 852 are fixed on the left wall of the compression roller frame 7, the right ends of the adjusting lead screws 852 penetrate through the right wall of the compression roller frame 7 and are connected with the adjusting wheels 854, each adjusting block 853 through hole penetrates through the guide transverse shafts 851 and the adjusting lead screws 852 to be connected with the two ends of the fixing block 856 in a sliding manner, and the existence of the guide transverse shafts, the smooth and steady operation of the adjusting roller combination 85 is ensured.
The adjusting screw 852 is manually operated, the adjusting block 853 can be adjusted by shaking the adjusting wheel 854, the structure is simple, the operation is convenient, meanwhile, rolling bearings are arranged at the joints of the two ends of the adjusting screw 852 and the compression roller frame 7, the operation is reliable, the starting performance is good, and the adjustment screw 852 can be better ensured to be normally matched and operated with the adjusting block 853.
The adjusting block 853 comprises two cylinders 8531 and two sliding blocks 8532, and the two cylinders 8531 are symmetrically and fixedly mounted at the upper end of the sliding blocks 8532.
The diameter size of the cylinder 8531 is larger than the width size of the sliding block 8532, so that the strip steel is positioned at the lower end of the cylinder 8531, the strip steel can be well limited, and the strip steel can move forward stably.
Leading into board 91 includes lifter plate 911, last baffle 912, first hydro-cylinder 913, two first supports 914 and lower flat board 915, lifter plate 911 is located press roller frame 7 right-hand member, two first supports 914 central lines set up relatively, and a support fixed mounting in lifter plate 911 lower extreme, a support fixed mounting be in on the press roller frame 7, first hydro-cylinder 913 both ends respectively with first support 914 is articulated, dull and stereotyped 915 both sides fixed mounting down in the press roller frame 7, and its right-hand member with lifter plate 911 is articulated, overhead gage 912 is located dull and stereotyped 915 upper portion and fixed mounting down in the press roller frame 7, the rise or the decline of lifter plate 911 can be realized to the existence of first hydro-cylinder 913.
The upper baffle 912 and the lower flat plate 915 form an acute angle, so that the feeding port is of a horn mouth structure which is changed from big to small, and strip steel can conveniently enter the compression roller assembly 8.
In the actual working process, when the strip steel is going to enter the compression roller device of the huller, the strip steel firstly enters the bell mouth formed by the upper baffle 912, the guide roller 81 and the lower flat plate 915, the first oil cylinder 913 is controlled to ascend to a proper angle, the strip steel can smoothly enter the compression roller assembly 8, the strip steel firstly contacts with the guide roller 81, the guide roller 81 rotates, the strip steel successfully enters the compression roller assembly 8, when the thickness of the strip steel is larger, the distance between the rollers of the front press roller combination 82 and the distance between the rollers of the rear press roller combination 84 are adjusted to be larger, when the thickness of the strip steel is smaller, the distance between the rollers of the front press roller combination 82 and the distance between the rollers of the rear press roller combination 84 are adjusted to be smaller, when the width of the passing strip steel is small, the adjusting wheel 854 is shaken to reduce the distance between the two adjusting blocks 853 to a proper distance to adapt to the width of the strip steel, when the width of the passing strip steel is large, the adjusting wheel 854 is shaken to increase the distance between the two adjusting blocks 853 to a proper distance to adapt to the width of the strip steel.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Huller compression roller device, its characterized in that: comprises a press roller frame (7), a press roller assembly (8) and a guide plate (9), wherein the press roller assembly (8) is arranged inside the press roller frame (7), the guide plate (9) is combined to comprise a guide plate (91) and a guide plate (92), the guide plate (91) is fixedly arranged at the right feeding port of the press roller frame (7), the guide plate (92) is fixedly arranged at the left discharging port of the press roller frame (7), the press roller assembly (8) comprises a guide roller (81), a front press roller combination (82), a pinch press roller combination (83), a rear press roller combination (84), an adjusting roller combination (85) and two guide rollers (86), the guide roller (81) is fixedly arranged at the right upper end of the press roller frame (7), the front press roller combination (82) is arranged at the lower part of the guide roller (81) and is slidably arranged on the press roller frame (7), pinch roller combination (83) fixed mounting in on the compression roller frame (7), the adjustment roller combination be located preceding compression roller combination (82) with between pinch roller combination (83) and fixed connection in on compression roller frame (7), back compression roller combination (84) slidable mounting in compression roller frame (7) left end, guide-out roller (86) fixed mounting in on compression roller frame (7) and be located guide-out board (92) both sides.
2. The huller roller assembly as claimed in claim 1, wherein: preceding compression roller combination (82) include first preceding compression roller (821), second preceding compression roller (822), preceding compression roller seat (824) and two preceding compression roller hydro-cylinders (823), preceding compression roller seat (824) are two sets of altogether, and every group is two, and first group preceding compression roller seat (824) slidable mounting is in on compression roller frame (7) both sides lateral wall, and connect first preceding compression roller (821) both ends, second group preceding compression roller seat (824) are located under the first group and install on compression roller frame (7), and connect in compression roller (822) both ends before the second, preceding compression roller hydro-cylinder (823) with first group preceding compression roller seat (824) upper end fixed connection.
3. The huller roller assembly as claimed in claim 1, wherein: pinch roll combination (83) include that first pinch roll (831), second pinch roll (832) and pinch roll holder (833), pinch roll holder (833) total two sets of, and every group is two, and first set pinch roll holder (833) fixed mounting is in on compression roller frame (7) both sides lateral wall, and connect first pinch roll (831) both ends, second set pinch roll holder (833) are located under first set and install on compression roller frame (7), and connect second pinch roll (832) both ends.
4. The huller roller assembly as claimed in claim 1, wherein: back compression roller combination (84) include first back compression roller (841), second back compression roller (842), back compression roller seat (844) and two back compression roller hydro-cylinders (843), back compression roller seat (844) counts two sets together, and every group is two, and first set of back compression roller seat (844) slidable mounting is in on compression roller frame (7) both sides lateral wall, and connect first back compression roller (841) both ends, second set back compression roller seat (844) are located under the first set and install on compression roller frame (7), and connect compression roller (842) both ends behind the second, back compression roller hydro-cylinder (843) with first set of back compression roller seat (844) upper end fixed connection.
5. The huller roller assembly as claimed in any one of claims 2 to 4, wherein: rolling bearings are arranged in the compression roller seats at the two ends of the front compression roller combination (82), the pinch compression roller combination (83) and the rear compression roller combination (84).
6. The huller roller assembly as claimed in claim 1, wherein: the adjusting roller combination (85) comprises two guide transverse shafts (851), an adjusting screw rod (852), an adjusting block (853), an adjusting wheel (854), a cross beam (855) and a fixing block (856), the guide transverse shaft (851) is fixedly arranged on the press roller frame (7) and is horizontally aligned in parallel, the cross beam (855) is positioned right above the guide transverse shaft (851) and is fixedly arranged on the press roll frame (7), the fixed block (856) penetrates through and is fixed at the middle position of the cross beam (855), the adjusting screw rod (852) is horizontally arranged in parallel with the guide transverse shaft (851), the left end of the adjusting screw rod (852) is fixed on the left wall of the compression roller frame (7), the right end of the adjusting screw rod penetrates through the right wall of the compression roller frame (7) to be connected with the adjusting wheel (854), and a through hole of each adjusting block (853) penetrates through the guide transverse shaft (851) and the adjusting screw rod (852) to be connected with the two ends of the fixing block (856) in a sliding manner;
the adjusting screw rod (852) is manually operated, and rolling bearings are mounted at the connection parts of the two ends of the adjusting screw rod (852) and the compression roller rack (7).
7. The huller roller assembly as claimed in claim 6, wherein: the adjusting block (853) comprises two cylinders (8531) and two sliding blocks (8532), and the two cylinders (8531) are symmetrically and fixedly arranged at the upper end of the sliding block (8532).
8. The huller roller assembly as claimed in claim 7, wherein: the diameter size of the cylinder (8531) is larger than the width size of the sliding block (8532).
9. The huller roller assembly as claimed in claim 1, wherein: lead into board (91) and include lifter plate (911), go up baffle (912), first hydro-cylinder (913), two first supports (914) and dull and stereotyped (915) down, lifter plate (911) are located press roller frame (7) rightmost end, two first supports (914) central line set up relatively, and a support fixed mounting in lifter plate (911) lower extreme, a support fixed mounting be in on press roller frame (7), first hydro-cylinder (913) both ends respectively with first support (914) are articulated, dull and stereotyped (915) both sides fixed mounting down is in on press roller frame (7), and its right-hand member with lifter plate (911) are articulated, overhead gage (912) are located dull and stereotyped (915) upper portion and fixed mounting down are in on press roller frame (7).
10. The huller roller assembly as claimed in claim 9, wherein: the upper baffle (912) and the lower flat plate (915) form an acute angle, so that the feeding port is of a horn mouth structure which is changed from big to small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091082.XU CN211386122U (en) | 2019-07-12 | 2019-07-12 | Compression roller device of huller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091082.XU CN211386122U (en) | 2019-07-12 | 2019-07-12 | Compression roller device of huller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211386122U true CN211386122U (en) | 2020-09-01 |
Family
ID=72205798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921091082.XU Expired - Fee Related CN211386122U (en) | 2019-07-12 | 2019-07-12 | Compression roller device of huller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211386122U (en) |
-
2019
- 2019-07-12 CN CN201921091082.XU patent/CN211386122U/en not_active Expired - Fee Related
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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: 20200901 Termination date: 20210712 |