CN211683782U - Single-face corrugating machine - Google Patents

Single-face corrugating machine Download PDF

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Publication number
CN211683782U
CN211683782U CN201922420107.2U CN201922420107U CN211683782U CN 211683782 U CN211683782 U CN 211683782U CN 201922420107 U CN201922420107 U CN 201922420107U CN 211683782 U CN211683782 U CN 211683782U
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China
Prior art keywords
groove
roller
frame
locking
overhaul
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CN201922420107.2U
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Chinese (zh)
Inventor
周妮
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Hangzhou Zhenming Industrial Co ltd
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Hangzhou Zhenming Industrial Co ltd
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Priority to CN201922420107.2U priority Critical patent/CN211683782U/en
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Abstract

The utility model relates to a technical field of corrugated paper manufacture equipment, more specifically say, relate to a single face flute machine, aim at solving the problem that the second corrugating roll maintenance efficiency is low of single face flute machine. The utility model discloses specific technical scheme is: the machine comprises a frame, wherein a core paper feeding roller, a first corrugated roller, a second corrugated roller, a pressure roller and a facial tissue feeding roller are sequentially connected to the frame; the frame is connected with a sizing device below the second corrugated roller; an overhaul groove is also dug in the rack, the overhaul groove extends along the axial direction of the second corrugated roller, an overhaul plate is connected in the overhaul groove in a sliding manner, the overhaul plate is connected in the rack through a locking device, and the second corrugated roller and the sizing device are both connected to the overhaul plate; when the access panel shifts out of the frame, the access panel is stably placed on the ground through the supporting device. The utility model discloses a setting of access panel can accomplish the maintenance to second flute roller under the condition of not demolising frame shell, improves maintenance efficiency.

Description

Single-face corrugating machine
Technical Field
The utility model belongs to the technical field of the technique of corrugated paper manufacture equipment and specifically relates to a single face flute machine is related to.
Background
The corrugated board is a plate-shaped object formed by bonding surface paper and corrugated core paper, has low manufacturing cost, light weight, high strength, convenient processing and good printing adaptability, and is one of the main materials for manufacturing the packaging container at present.
The single-sided corrugating machine is important equipment for producing single-sided corrugated boards, and for example, a Chinese patent with the publication number of CN203739331U discloses a single-sided corrugating machine with an arc-shaped hot plate, and the key points of the technical scheme are that; the paper pulp sizing machine comprises a rack, a first corrugated roller, a second corrugated roller, a pressure roller, a sizing device, a surface paper preheating roller, a core paper conveying roller, a surface paper conveying roller and a heating device, wherein the heating device is an arc-shaped heating plate.
Preheating core paper and surface paper by using an arc-shaped heating plate, then conveying the core paper between a first corrugating roller and a second corrugating roller by using a core paper conveying roller to enable the core paper to be corrugated, and smearing adhesive pulp on the corrugation peaks of the core paper by using a sizing device; and then the surface paper is conveyed to the pressure roller by the surface paper conveying roller, and the core paper and the surface paper are tightly pressed by the cooperation of the pressure roller and the second corrugated roller to form the single-sided corrugated paper.
Although the arc-shaped heating plates are arranged, the core paper and the surface paper can be fully heated, and the volume is smaller compared with that of a heating roller arranged in a common single-sided corrugating machine. However, in the actual use process of the single-faced corrugating machine, as the core paper contains impurities and hard mineral particles, the second corrugating roller can abrade the core paper and generate pits and depressions while pressing the core paper into the flute shape, so that frequent maintenance is required; however, the second corrugating roller of the single-sided corrugating machine is cumbersome to disassemble and assemble, and thus, a large amount of time is spent on the overhaul operation of the second corrugating roller.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single face flute machine, its maintenance operation that can effectively simplify the second flute roller improves the maintenance efficiency of single face flute machine not enough to prior art exists.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a single-sided corrugating machine comprises a frame, wherein a core paper feeding roller, a first corrugating roller, a second corrugating roller, a pressure roller and a surface paper feeding roller are sequentially connected to the frame; the frame is connected with a sizing device below the second corrugated roller; an overhaul groove is also dug in the rack, the overhaul groove extends along the axial direction of the second corrugated roller, an overhaul plate is connected in the overhaul groove in a sliding manner, a locking device for limiting the position of the overhaul plate is arranged on the rack, and the second corrugated roller and the sizing device are both connected to the overhaul plate; when the access panel shifts out of the frame, the access panel is stably placed on the ground through the supporting device.
By adopting the technical scheme, the core paper conveyed by the core paper feeding roller is processed by utilizing the matching action of the first corrugating roller and the second corrugating roller, so that the core paper is extruded to generate a corrugated shape; the corrugated core paper rotates along with the second corrugating roller, and the sizing device is abutted against the core paper to finish the purpose of coating the adhesive on the corrugation peaks of the core paper; the surface paper is transported by the surface paper feeding roller and is fully attached to the corrugated core paper between the pressure roller and the second corrugated roller, so that the production of the single-sided corrugated paper is completed;
as for the purpose of connecting the second corrugating roller and the sizing device to the access panel, the purpose is to facilitate the access operation of the second corrugating roller; after the single-sided corrugating machine is used for a period of time, the machine needs to be stopped for maintenance, the second corrugating roller can be easily pulled out of the machine frame by the maintenance plate, a user can quickly finish the inspection and cleaning of the second corrugating roller, and the maintenance efficiency is improved.
The present invention may be further configured in a preferred embodiment as: dig in the frame and be equipped with the locking groove, locking groove and maintenance groove intercommunication and overhaul groove projection in locking inslot, locking device including articulate in the frame and with locking groove complex lockplate, lockplate screw in locking groove time-out seals overhauls the groove, and lockplate supports tightly in locking inslot through the locking bolt.
Through adopting above-mentioned technical scheme, utilize the cooperation of locking bolt and lockplate, can realize conveniently that the access panel locks in the position of frame, avoid sliding at will in the frame because of the access panel, and lead to the unable abundant and pressure roller cooperation of second corrugating roll, influence the laminating of facial tissue and core paper, cause the interference to the normal use of single face flute machine.
The present invention may be further configured in a preferred embodiment as: one side of the locking plate facing the maintenance groove is provided with an elastic cushion pad, and the elastic cushion pad is tightly abutted to the maintenance plate.
By adopting the technical scheme, the maintenance plate is abutted tightly by utilizing the arrangement of the elastic cushion pad and matching with the locking plate, so that the maintenance plate can be locked in the rack; meanwhile, the flexible material of the elastic cushion pad is used as a buffer mechanism between the maintenance board and the locking plate, so that the phenomenon that the maintenance board and the locking plate are abraded due to vibration generated by the second corrugated roller in the using process is avoided, and the locking effect of the locking plate on the maintenance board is poor.
The present invention may be further configured in a preferred embodiment as: the supporting device comprises a supporting rod and a containing groove dug at the bottom of the access panel, the supporting rod is rotatably connected in the containing groove, and a limiting mechanism used for limiting the supporting rod in the containing groove is arranged in the containing groove; when the maintenance board slides out of the rack along the maintenance groove, the supporting rod rotates out of the accommodating groove, and one end of the supporting rod is tightly abutted to the ground.
By adopting the technical scheme, the support rod is limited by the limiting mechanism, so that the support rod can be accommodated in the accommodating groove, and the interference of the support rod on the sliding of the maintenance plate is avoided; and when the access panel roll-off frame, remove the restriction of stop gear to the bracing piece earlier, screw out the bracing piece afterwards and accomodate the groove and make it support tightly with ground, support the access panel of roll-off frame through the bracing piece.
The present invention may be further configured in a preferred embodiment as: stop gear is including digging the spacing groove of locating to accomodate groove a lateral wall and rotating the gag lever post of connecting in accomodating another lateral wall of groove, and the gag lever post encloses into spacing frame with accomodating the groove, and when the gag lever post was accomodate in the spacing groove, the gag lever post was located spacing frame, bracing piece and gag lever post butt.
By adopting the technical scheme, the supporting rod is limited by using the matching of the limiting groove and the limiting rod, so that the interference on the sliding of the maintenance plate on the maintenance groove due to the fact that the supporting rod is screwed out of the accommodating groove is avoided; compared with a mode of limiting the supporting rod in the accommodating groove by utilizing a bolt and a nut, the rotatable limiting rod is more convenient to operate.
The present invention may be further configured in a preferred embodiment as: and an anti-skid sleeve is sleeved at one end of the support rod, which is tightly abutted against the ground.
By adopting the technical scheme, the friction force between the bottom surface and the end surface of the supporting rod is increased by arranging the anti-slip sleeve, and the supporting effect of the supporting rod on the access panel is enhanced; compare simultaneously in the mode that bolt and nut will prevent slipping cover and fix at the bracing piece terminal surface, the dismouting of slipping cover can be convenient for to the mode of cup jointing to after slipping cover wearing and tearing, carry out quick replacement to it.
The present invention may be further configured in a preferred embodiment as: the frame is equipped with a plurality of dust exhausting fans above the second corrugating roller, and a plurality of dust exhausting fans evenly distributed in second corrugating roller both sides.
By adopting the technical scheme, when the core paper is extruded between the first corrugating roller and the second corrugating roller to form a corrugated shape, impurities and hard mineral particles contained in the core paper are scattered along with the core paper; and utilize dust exhausting fan's setting, can adsorb the waste material that the core paper was scattered by the extrusion, avoid this part waste material aggravation core paper to the wearing and tearing of second corrugating roll, protect the second corrugating roll.
The present invention may be further configured in a preferred embodiment as: a limiting clamping groove is dug in the rack, and one end of the maintenance plate, which is far away from the locking plate, is inserted in the limiting clamping groove; still dig in the spacing draw-in groove and be equipped with and support tight groove, the access panel is equipped with elastic tight piece of supporting towards the one side that supports tight groove, supports tight piece and pegs graft in supporting tight inslot along access panel extending direction.
By adopting the technical scheme, when the maintenance board is positioned in the rack, one end of the maintenance board is accommodated by using the limiting clamping groove, so that the maintenance board can be stably placed; meanwhile, the limiting effect of the limiting clamping groove on the maintenance plate is further enhanced by means of the matching of the abutting block and the abutting groove, and the normal use of the second corrugated roller on the maintenance plate in the rack is guaranteed.
To sum up, the utility model discloses a following beneficial technological effect:
1. the second corrugated roller and the sizing device are connected to the maintenance board, so that the second corrugated roller arranged in the rack can be quickly moved out of the rack by means of the sliding of the maintenance board on the maintenance groove, and a user can conveniently maintain and repair the second corrugated roller;
2. utilize a plurality of dust exhausting fan's setting, collect the waste material of effluvium on the core paper, avoid inclusion and the wearing and tearing of mineral hard grain aggravation core paper to the second corrugating roller in the core paper.
Drawings
FIG. 1 is a first schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram II of the embodiment with a part of the rack hidden, showing the internal structure of the rack;
fig. 3 is an exploded view of the access panel and locking device of the present embodiment.
FIG. 4 is a schematic structural view of the access panel of the present embodiment, showing a second corrugating roller and a sizing device;
fig. 5 is a part view of the service panel of the present embodiment, showing the structure of the supporting device.
In the figure, 1, a frame; 2. locking the screw hole; 3. a first corrugating roller; 4. a second corrugating roller; 5. a locking through hole; 6. a facial tissue feed roller; 7. a discharge port; 8. a sizing device; 9. a sizing roller; 10. a scraping roller; 11. a milk basin; 12. a maintenance groove; 13. an access panel; 14. a locking device; 15. a support device; 16. a locking plate; 17. a locking groove; 18. a locking bolt; 19. a handle; 20. an elastic cushion pad; 21. a support bar; 22. a receiving groove; 23. a limiting groove; 24. a limiting rod; 25. anti-slip sheets; 26. a support plate; 27. a dust removal fan; 28. a propping block; 29. abutting against the groove; 30. a preheating roller; 31. groove drawing; 32. limiting clamping grooves.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a single face flute machine, including frame 1, frame 1 both sides are rotated respectively and are connected with core paper feed roll and facial tissue feed roll 6, and frame 1 top is dug and is equipped with discharge gate 7.
The frame 1 is in turn connected with a first corrugating roller 3 for extruding core paper, a second corrugating roller 4 for enabling the core paper to generate a corrugated shape, a pressure roller for matching the second corrugating roller 4 to bond surface paper and core paper, and two preheating rollers 30 for heating the surface paper, wherein the two preheating rollers 30 are parallel to each other along the vertical direction; and simultaneously, a sizing device 8 is connected to the frame 1 under the second corrugating roller 4.
The facial tissue feeding roller 6 and the core paper feeding roller are driven to respectively transport the facial tissue and the core paper; after being heated by the two preheating rollers 30, the surface paper is conveyed between the second corrugating roller 4 and the pressure roller through the pressure roller; the core paper is pressed by the first corrugating roller 3 and the second corrugating roller 4 to generate a flute shape, and the adhesive is coated on the flute peaks by the sizing device 8, and is adhered with the surface paper between the second corrugating roller 4 and the pressure roller, so that the production of the single-faced corrugated paper is completed.
Because the core paper contains impurities and hard mineral particles, the abrasion rate of the second corrugating roller 4 is high when the core paper is processed, so that sundries in the corrugation teeth of the second corrugating roller 4 need to be cleaned frequently, the normal use of the second corrugating roller 4 is ensured, and the sufficient processing of the corrugation shape of the core paper is ensured.
Meanwhile, the frame 1 is further obliquely provided with two support plates 26 above the second corrugating roller 4, the two support plates 26 are symmetrically distributed on two sides of the second corrugating roller 4, and each support plate 26 is fixedly connected with two dust removing fans 27. By means of the arrangement of the dust removal fan 27, impurities, mineral hard particles and dust generated after the core paper is processed by the second corrugating roller 4 are cleaned, abrasion of the part of processing waste to the second corrugating roller 4 is reduced as much as possible, and the service life of the second corrugating roller 4 is prolonged.
As shown in fig. 3, in order to facilitate maintenance of the second corrugating roll 4, an overhaul groove 12 is dug in the machine frame 1, the overhaul groove 12 extends along the axial direction of the second corrugating roll 4, and a strip-shaped overhaul plate 13 is connected in the overhaul groove 12 in a sliding manner; the second corrugating roll 4 and the sizing device 8 are both fixed on the access panel 13.
Through the setting of access panel 13, come convenient shift out second corrugating roller 4 from frame 1 to when single face corrugating machine shut down and maintain, make the user under the condition of not dismantling frame 1 shell, alright accomplish the inspection to the second corrugating roller 4 condition of wearing and tearing, with this maintenance efficiency that improves second corrugating roller 4.
In order to ensure that the access panel 13 does not slide freely on the frame 1 and interfere with the normal use of the second corrugating roller 4, a locking device 14 for fixing the position of the access panel 13 is arranged on one side of the frame 1. The locking device 14 comprises a locking plate 16 hinged on one side wall of the frame 1, a handle 19 is arranged on the locking plate 16, a locking groove 17 matched with the locking plate 16 is dug on the side wall of the frame 1, and the locking groove 17 is communicated with the maintenance groove 12; the locking plate 16 is dug along its thickness direction and is equipped with three locking through-hole 5, digs along three locking through-hole 5 axial shafts in the locking groove 17 and is equipped with the locking screw 2 that corresponds with it, all wears to be equipped with locking bolt 18 in every locking through-hole 5, and locking bolt 18 is along locking through-hole 5 axial extension and wear out locking through-hole 5, and the end threaded connection of wearing out is in the locking screw 2 that locking through-hole 5 corresponds.
In order to further strengthen the locking effect of the locking device 14 on the access panel 13, an elastic cushion pad 20 is arranged on one surface of the locking plate 16 facing the access slot 12, and the elastic cushion pad 20 is tightly pressed against one end of the access panel 13; meanwhile, a limiting clamping groove 32 for limiting the maintenance plate 13 is also dug in the rack 1, and the other end of the maintenance plate 13 is inserted into the limiting clamping groove 32 along the extending direction of the maintenance groove 12; the limit clamping groove 32 is internally provided with a abutting groove 29 in an excavating mode, one surface, facing the abutting groove 29, of the maintenance plate 13 is provided with an elastic abutting block 28, and the abutting block 28 is inserted into the abutting groove 29.
Through supporting tight piece 28, supporting tight groove 29, spacing draw-in groove 32 and mutual cooperation of elastic buffer 20, support tightly to access panel 13 both ends respectively, make access panel 13 under the effect of lockplate 16, can firmly lock in frame 1 to avoid causing the interference to the use of second corrugated roller 4.
As shown in fig. 4 and 5, a pull groove 31 is dug in a surface of the access panel 13 facing the lock plate 16 to facilitate movement of the access panel 13 by a user. The sizing device 8 comprises a pulp basin 11 arranged right below the second corrugated roller 4, starch adhesive is contained in the pulp basin 11, and a sizing roller 9 and a pulp scraping roller 10 are rotatably connected to the inner wall of the pulp basin 11 along the axial direction of the second corrugated roller 4.
Wherein, the sizing roller 9 is partially immersed into the starch adhesive in the pulp basin 11, and the starch adhesive is coated on the ridges of the core paper by the rotation of the sizing roller 9; the pulp scraping roller 10 is used for removing the excessive starch adhesive on the sizing roller 9 so as to keep the uniformity of the sizing roller 9 on the core paper coating, so that the core paper is prevented from being soaked due to the fact that the starch adhesive is coated on the core paper too much, the corrugation of the core paper is damaged, and the quality of the finally produced single-sided corrugated paper is influenced.
The purpose of using the starch adhesive is because the starch adhesive has the advantages of high bonding strength, high stiffness of the paperboard, difficult moisture absorption and softening and low cost.
For avoiding taking place the slope behind the access panel 13 roll-off frame 1, just be provided with two sets of strutting arrangement 15 in access panel 13 bottom, strutting arrangement 15 is including digging the groove 22 of accomodating of locating the access panel 13 bottom surface, accomodates groove 22 and extends along access panel 13 length direction, accomodates the inslot 22 internal rotation and is connected with bracing piece 21, bracing piece 21 is spacing in accomodating the inslot 22 through stop gear.
When the access panel 13 is positioned in the frame 1, the support rod 21 extends along the length direction of the access panel 13; when the access panel 13 slips out of the rack 1, the support rod 21 extends along the vertical direction and is tightly abutted to the ground, and the anti-slip sheet 25 is clamped at one end of the support rod 21 tightly abutted to the ground.
Utilize two sets of strutting arrangement 15, guarantee that access panel 13 can stably place on subaerial behind roll-off frame 1 to the user overhauls second corrugating roller 4.
The limiting mechanism comprises a limiting rod 24 which is rotatably connected to one side of the accommodating groove 22, a limiting groove 23 matched with the limiting rod 24 is dug in the other side of the accommodating groove 22, and the limiting groove 23 extends along the width direction of the access panel 13; when the access panel 13 is located in the rack 1, the limiting rod 24 is received in the limiting groove 23, and the support rod 21 is abutted to the limiting rod 24.
The working process is as follows:
when the single-sided corrugating machine works, the facial tissue enters from one side of the machine frame 1 through the facial tissue feeding roller 6, is heated by the two preheating rollers 30 and then enters into the area between the pressure roller and the second corrugating roller 4; the core paper enters from the other side of the frame 1 through the core paper feeding roller, and is changed into a corrugated state from a flat state by the cooperation of the first corrugated roller 3 and the second corrugated roller 4, then the corrugated peak of the core paper is coated by the sizing device 8, finally, the core paper is bonded with the surface paper in the area between the pressure roller and the second corrugated roller 4, and the single-sided corrugated paper formed by bonding the core paper and the surface paper is conveyed out from the discharge port 7.
When the single-sided corrugating machine is stopped for maintenance, the locking bolt 18 is unscrewed, the locking plate 16 is screwed out from the locking groove 17, and then the maintenance plate 13 is pulled out from the machine frame 1 by using the pull groove 31.
And then the limiting rod 24 is screwed out of the limiting groove 23, and the two supporting rods 21 at the bottom of the access panel 13 are rotated to be stably placed on the ground along the vertical direction so as to wait for a user to inspect and maintain the second corrugating roller 4.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A single-sided corrugating machine comprises a frame (1), wherein a core paper feeding roller, a first corrugating roller (3), a second corrugating roller (4), a pressure roller and a surface paper feeding roller (6) are sequentially connected to the frame (1); a sizing device (8) is connected to the frame (1) below the second corrugated roller (4); the method is characterized in that: an overhaul groove (12) is further dug in the rack (1), the overhaul groove (12) extends along the axial direction of the second corrugated roller (4), an overhaul plate (13) is connected in the overhaul groove (12) in a sliding mode, a locking device (14) used for limiting the position of the overhaul plate (13) is arranged on the rack (1), and the second corrugated roller (4) and the sizing device (8) are both connected to the overhaul plate (13); when the access panel (13) moves out of the frame (1), the access panel (13) is stably placed on the ground through the supporting device (15).
2. A single facer corrugator as claimed in claim 1, wherein: dig on frame (1) and be equipped with locking groove (17), locking groove (17) and maintenance groove (12) intercommunication and maintenance groove (12) projection in locking groove (17), locking device (14) including articulate in frame (1) and with locking groove (17) complex lockplate (16), seal when lockplate (16) screw in locking groove (17) and overhaul groove (12), and lockplate (16) support tightly in locking groove (17) through locking bolt (18).
3. A single facer corrugator as claimed in claim 2, wherein: one surface of the locking plate (16) facing the maintenance groove (12) is provided with an elastic cushion pad (20), and the elastic cushion pad (20) is tightly propped against the maintenance plate (13).
4. A single facer corrugator as claimed in claim 1, wherein: the supporting device (15) comprises a supporting rod (21) and a containing groove (22) dug at the bottom of the maintenance plate (13), the supporting rod (21) is rotatably connected in the containing groove (22), and a limiting mechanism used for limiting the supporting rod (21) in the containing groove (22) is arranged in the containing groove (22); when the maintenance plate (13) slides out of the rack (1) along the maintenance groove (12), the supporting rod (21) rotates out of the accommodating groove (22) and one end of the supporting rod is tightly abutted to the ground.
5. The single facer corrugator as claimed in claim 4, wherein: stop gear is including digging spacing groove (23) of locating to accomodate groove (22) a lateral wall and rotating connecting in gag lever post (24) of accomodating another lateral wall of groove (22), and gag lever post (24) enclose into spacing frame with accomodating groove (22), and when gag lever post (24) were accomodate in spacing groove (23), gag lever post (24) were located spacing frame, bracing piece (21) and gag lever post (24) butt.
6. The single facer corrugator as claimed in claim 4, wherein: and an anti-skid sleeve is sleeved at one end of the support rod (21) which is tightly abutted against the ground.
7. A single facer corrugator as claimed in claim 1, wherein: the frame (1) is equipped with a plurality of dust exhausting fans (27) above second corrugating roller (4), and a plurality of dust exhausting fans (27) evenly distributed in second corrugating roller (4) both sides.
8. A single facer corrugator as claimed in claim 1, wherein: a limiting clamping groove (32) is dug in the rack (1), and one end, far away from the locking plate (16), of the maintenance plate (13) is inserted into the limiting clamping groove (32); still dig in spacing draw-in groove (32) and be equipped with and support tight groove (29), access panel (13) are equipped with elastic tight piece (28) of supporting towards the one side that supports tight groove (29), support tight piece (28) along access panel (13) extending direction peg graft in supporting tight groove (29).
CN201922420107.2U 2019-12-27 2019-12-27 Single-face corrugating machine Active CN211683782U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922420107.2U CN211683782U (en) 2019-12-27 2019-12-27 Single-face corrugating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922420107.2U CN211683782U (en) 2019-12-27 2019-12-27 Single-face corrugating machine

Publications (1)

Publication Number Publication Date
CN211683782U true CN211683782U (en) 2020-10-16

Family

ID=72796106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922420107.2U Active CN211683782U (en) 2019-12-27 2019-12-27 Single-face corrugating machine

Country Status (1)

Country Link
CN (1) CN211683782U (en)

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