CN113232361A - Fluting machine for corrugated board printing - Google Patents
Fluting machine for corrugated board printing Download PDFInfo
- Publication number
- CN113232361A CN113232361A CN202110619931.XA CN202110619931A CN113232361A CN 113232361 A CN113232361 A CN 113232361A CN 202110619931 A CN202110619931 A CN 202110619931A CN 113232361 A CN113232361 A CN 113232361A
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- Prior art keywords
- slotting
- paperboard
- component
- rod
- sliding
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- 239000011087 paperboard Substances 0.000 claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000011111 cardboard Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/20—Cutting sheets or blanks
- B31B50/22—Notching; Trimming edges of flaps
Landscapes
- Making Paper Articles (AREA)
Abstract
The invention relates to the technical field of corrugated board production and processing equipment, in particular to a slotting machine for corrugated board printing, which comprises: a bottom plate and a side plate; a paperboard slotting component disposed on the bottom panel for slotting the paperboard, wherein the paperboard slotting component further comprises: the slotting component is arranged on the paperboard slotting component and is used for adjusting the size of the slotting part so as to open slots with different specifications; the groove width adjusting component is arranged on one side of the paperboard slotting component and is used for adjusting the gap between the grooves on the paperboard; the slotting driving component is arranged on the paperboard slotting component and is used for driving the slotting component to work and adjusting the slotting depth of the slotting component; the device utilizes relevant fluting subassembly and fluting adjusting part to make things convenient for the cardboard to carry out the fluting, adjusts required grooved degree of depth and groove interval according to the in-service use requirement for the application scope of device promotes greatly.
Description
Technical Field
The invention relates to the technical field of corrugated board production and processing equipment, in particular to a slotting machine for corrugated board printing.
Background
Corrugated paper, also known as kraft paper and leatheroid, is a common material for paper packing boxes, is lighter than wood boxes, has the advantages of hardness, easy cutting of size and the like, and is commonly used for protecting other packaged products from being damaged. The corrugated board is composed of wave-shaped core paper and a paperboard, has high mechanical cavity degree, and can resist collision and falling in the carrying process.
In the process of corrugated carton preparation, need print corrugated container board usually, relevant processing such as fluting and indentation, current corrugated container board creasing device comprises a pair of matched with creasing wheel usually, the creasing fluting processing of corrugated container board is realized through mutually supporting of creasing wheel, but the slotted distance and the degree of depth of current corrugated container board fluting device are comparatively fixed usually, only be applicable to the cardboard fluting of fixed size specification, consequently, the application scope that leads to the device is less, need change different equipment or carry out comparatively loaded down with trivial details adjustment when need carry out the fluting of different distance depths to the cardboard.
Therefore, we propose a fluting machine for corrugated board printing to solve the problem that the fluting equipment can not effectively adjust the fluting depth and the space between the flutes.
Disclosure of Invention
The invention aims to provide a slotting machine for corrugated board printing, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a fluting machine for corrugated board printing comprising: a bottom plate and a side plate;
a paperboard slotting component disposed on the bottom panel for slotting the paperboard, wherein the paperboard slotting component further comprises: the slotting component is arranged on the paperboard slotting component and is used for adjusting the size of the slotting part so as to open slots with different specifications; the groove width adjusting component is arranged on one side of the paperboard slotting component and is used for adjusting the gap between the grooves on the paperboard;
the slotting driving component is arranged on the paperboard slotting component and used for driving the slotting component to work and adjusting the slotting depth of the slotting component.
Compared with the prior art, the invention has the beneficial effects that:
the device utilizes relevant fluting subassembly and fluting adjusting part to make things convenient for the cardboard to carry out the fluting, need not to carry out complicated operation regulation and can accomplish corresponding fluting and adjust when using, requires to adjust required grooved degree of depth and groove interval according to the in-service use for the application scope of device promotes greatly.
Drawings
Fig. 1 is a front view of a fluting machine for corrugated board printing.
Fig. 2 is a front view of a sheave adjuster of a fluting machine for corrugated board printing.
Fig. 3 is a left side view of a sheave of a fluting machine for corrugated board printing.
Fig. 4 is a left side view of the slide bar elevation adjustment of a fluting machine for corrugated board printing.
Fig. 5 is a front back view of the slide bar elevation adjustment of a fluting machine for corrugated board printing.
In the figure: 1-bottom plate, 2-driving roller, 3-lower grooved wheel, 4-side plate, 5-sliding chute, 6-lower bottom plate, 7-fixed window frame, 8-sliding block, 9-hydraulic rod, 10-hydraulic cylinder, 11-first double-sided toothed rod, 12-first incomplete gear, 13-third rotating connecting rod, 14-fourth rotating connecting rod, 15-second incomplete gear, 16-second double-sided toothed rod, 17-upper top plate, 18-fixed block, 19-sliding rod, 20-sliding through block, 21-second rotating connecting rod, 22-second threaded block, 23-connecting plate, 24-first connecting rod, 25-driver, 26-threaded rod, 27-second connecting rod, 28-grooved wheel, 29-grooved rail, 30-connecting block, 31-push rod, 32-grooving sheet, 33-first rotating connecting rod, 34-first thread block and 35-thread adjusting rod.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, in an embodiment of the present invention, a fluting machine for corrugated cardboard printing includes: a bottom plate 1 and a side plate 4;
a cardboard slotting component arranged on the bottom plate 1 for slotting the cardboard, wherein the cardboard slotting component further comprises: the slotting component is arranged on the paperboard slotting component and is used for adjusting the size of the slotting part so as to open slots with different specifications; the groove width adjusting component is arranged on one side of the paperboard slotting component and is used for adjusting the gap between the grooves on the paperboard;
the slotting driving component is arranged on the paperboard slotting component and used for driving the slotting component to work and adjusting the slotting depth of the slotting component.
Referring to fig. 2 and 3, in the present embodiment, the slotting adjustment assembly includes: a sheave 28;
a grooved rail 29, wherein the grooved rail 29 is arranged on one side of the grooved wheel 28 and used for keeping the movement guidance during adjustment;
a connecting block 30, said connecting block 30 being disposed within the grooved rail 29 for regulating movement of the associated grooving assembly;
a push rod 31, wherein the push rod 31 is fixedly arranged on one side of the internal connecting block 30 of the groove rail 29;
the slotting blade 32, the slotting blade 32 is installed at the other end of the push rod 31, and is used for slotting the paper board;
the first rotating connecting rod 33, the first rotating connecting rod 33 is rotatably installed on the other side of the connecting block 30;
a first screw block 34, the first screw block 34 being rotatably installed at the other end of the first rotating link 33;
and the threaded adjusting rod 35 is installed in the first thread block 34, and is used for adjusting the first thread block 34 so as to drive the slotting blade 32 to move.
In this embodiment, when the adjustment of the slotted plate 32 is required, the first screw block 34 is moved by rotating the screw adjustment lever 35, the first screw block 34 is moved to drive the first rotating connecting rod 33, so that the first rotating connecting rod 33 drives the connecting block 30 to move in the grooved rail 29, and then the slotted plate 32 is pushed out of the center of the grooved wheel 28 by the push rod 31, and then the grooved wheel 28 is matched with the related part at the lower part on the paper plate to complete the slotting work of the paper plate.
In this embodiment, can utilize other devices to drive fluting piece 32 and accomplish and expand outward or contract work inwards, if set up structural component such as relevant catch bar or telescopic link in grooved rail 29 of sheave 28, can accomplish the motion of connecting block 30, however, when using catch bar or telescopic link to promote for the structure becomes complicated, is unfavorable for the sheave 28 to carry out the fluting, and utilizes screw thread adjusting lever 35 can be quick regulation, and is comparatively convenient.
In this embodiment, the groove width adjusting assembly includes:
the sliding rod 19 is arranged between the two side plates 4 above the bottom plate 1;
the sliding penetrating block 20 is arranged on the sliding rod 19, and the sliding penetrating block 20 drives the slotting adjusting component to act and move to realize the position adjustment of slotting;
a second rotation connecting rod 21, wherein the second rotation connecting rod 21 is rotatably installed at one side of the sliding through block 20;
the second thread block 22, the said second thread block 22 is installed on another end of the second rotation connecting rod 21 rotatably;
the threaded rod 26 penetrates through the middle of the second thread block 22 and is used for adjusting the distance between two opposite second thread blocks 22;
and the driver 25, the driver 25 is arranged at the end part of one end of the threaded rod 26 and is used for driving the threaded rod 26 to rotate in an operating mode.
In this embodiment, a first connecting rod 24 is disposed at one side of the driver 25, a connecting plate 23 is connected to the other end of the first connecting rod 24, the connecting plate 23 is mounted on the sliding rod 19, a second connecting rod 27 is connected to the lower portion of the second threaded block 22, the second connecting rod 27 is used for fixedly mounting slotted components such as a grooved pulley 28, when the slot pitch is adjusted, the driver 25 drives the threaded rod 26 to rotate, so that the pitch of the second threaded block 22 on the threaded rod 26 is adjusted variably, and when the second threaded block 22 drives the relevant slotted component to move to the upper portion of the relevant slotted component such as the grooved pulley 28, the driver 25 is stopped, and then the slot opening operation is performed.
In this embodiment, the distance between two relative sheaves 28 and relevant subassembly can be adjusted to usable other spare parts, for example utilize elastic component such as spring to adjust the interval between the two, and then realize the regulation of different fluting intervals, but when utilizing elastic component such as spring to carry out interval control, interval control is unstable, appears the deviation during making the fluting easily, and then leads to the product size unqualified.
Referring to fig. 4 and 5, in the present embodiment, the slotting driver includes:
the sliding groove 5 is arranged on the plate body of the side plate 4 and is used for the up-and-down movement of the sliding rod 19;
the lower bottom plate 6 is fixed at the bottom of the sliding chute 5;
the fixed window frame 7 is arranged on the lower bottom plate 6;
the sliding block 8 is slidably mounted in the fixed window frame 7 and is the same as the driving mechanism to move;
one end of the hydraulic rod 9 is fixedly arranged on the sliding block 8 and is used for driving the sliding block 8 to move in the fixed window frame 7;
the hydraulic cylinder 10 is fixedly arranged on the lower bottom plate 6 on one side of the fixed window frame 7 and used for driving the hydraulic rod 9 to move;
and the sliding rod lifting adjusting component is arranged on the lower bottom plate 6 and is used for realizing the up-and-down adjustment of the sliding rod 19 so as to drive the related components to move up and down.
In this embodiment, the hydraulic cylinder 10 and the hydraulic rod 9 are used to drive the sliding block 8 to move in the fixed window frame 7, so that the fixed sliding block 8 drives the related sliding rod lifting adjusting component on the other side of the lower base plate 6 to move, and drives the sliding rod 19 to move up and down, and the sliding rod 19 moves up and down to further enable the related slotting component mounted thereon to complete up-and-down movement adjustment, thereby facilitating slotting work at different depths.
In the embodiment, other lifting mechanisms may be used to drive the sliding rod 19 to move up and down in the sliding slot 5, for example, a lifting motor or a hydraulic pushing machine may be used to drive the sliding rod 19 to move up and down, and other lifting mechanisms or devices may also be used to achieve the related technical effects, which will not be described in detail herein.
In this embodiment, the slide bar lifting adjusting assembly includes:
a first double-sided toothed bar 11, wherein the first double-sided toothed bar 11 is arranged on one side of the lower bottom plate 6, one side of the first double-sided toothed bar is fixedly connected with a sliding block 8 arranged in the fixed window frame 7,
the first incomplete gear 12 is rotatably arranged on two sides of the first double-sided toothed bar 11 and meshed with the first double-sided toothed bar 11;
a third rotating connecting rod 13, the other end of the third rotating connecting rod 13 is meshed with the first incomplete gear 12;
the upper top plate 17 is arranged in the sliding groove 5 at the upper part of the lower bottom plate 6;
and the fixed block 18 is fixed in the middle of the upper top plate 17, and the sliding rod 19 is fixedly arranged on the fixed block 18.
In this embodiment, the method further includes:
a fourth rotating connecting rod 14, wherein the fourth rotating connecting rod 14 is rotatably arranged at the other end of the third rotating connecting rod 13;
the second incomplete gear 15 is fixedly arranged at the other end of the fourth rotating connecting rod 14, and the fixed shaft is arranged at one side of the upper top plate 17;
and the second double-sided toothed bar 16 is slidably mounted on the upper top plate 17 and is meshed with the second incomplete gears 15 on two sides respectively.
In this embodiment, when the sliding block 8 moves in the fixed window frame 7, the first double-sided toothed bar 11 fixedly connected to the other side of the sliding block 8 moves left and right, the first double-sided toothed bar 11 moves left and right to drive the first incomplete gear 12 to rotate, so that the third rotating connecting bar 13 rotates along with the first double-sided toothed bar 11, the third rotating connecting bar 13 rotates to drive the fourth rotating connecting bar 13, and further the second incomplete gear 15 rotates, so that the fixed block 18 and the sliding bar 19 on the upper top plate 17 and the upper top plate 17 are driven to complete the ascending and descending actions along the direction of the sliding chute 5.
In this embodiment, the first double-sided toothed bar 11 and the second double-sided toothed bar 16 may also be replaced by a rack, and the rack is used to drive the incomplete gear to rotate, so as to drive the associated rotating link to rotate, thereby completing the lifting or lowering operation.
In this embodiment, the method further includes:
the driving rollers 2 are arranged on two sides of the bottom plate 1 and are used for driving the slotted paperboard to advance;
and the lower grooved wheel 3 is arranged on the bottom plate 1 between the driving rollers 2, is coaxial and collinear with the driving rollers 2 and is used for being matched with the grooved wheel 28 to perform paperboard slotting.
In this embodiment, the driving roller 2 can drive the paper board placed on the upper portion thereof to move forward, and the groove on the lower sheave 3 is matched with the grooving sheet 32 on the sheave 28, so that the working efficiency and the grooving quality of the device are improved, and the corresponding paper board grooving work is completed.
This device utilizes drive roller 2 to drive the cardboard and gos forward in the device, utilizes the fluting piece 32 on the sheave 28 and the lower sheave 3 mutually supporting, accomplishes the fluting of cardboard, simultaneously according to actual demand's difference, and the notched degree of depth, the interval between two adjacent grooves etc. are adjusted to accessible sheave adjusting part, and the wide market prospect of the application scope of device is better.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. A fluting machine for corrugated board printing, characterized by comprising: a bottom plate and a side plate;
a paperboard slotting component disposed on the bottom panel for slotting the paperboard, wherein the paperboard slotting component further comprises: the slotting component is arranged on the paperboard slotting component and is used for adjusting the size of the slotting part so as to open slots with different specifications; the groove width adjusting component is arranged on one side of the paperboard slotting component and is used for adjusting the gap between the grooves on the paperboard;
the slotting driving component is arranged on the paperboard slotting component and used for driving the slotting component to work and adjusting the slotting depth of the slotting component.
2. A fluting machine for corrugated board printing as in claim 1 wherein the fluting adjustment assembly comprises: a grooved wheel;
the grooved rail is arranged on one side of the grooved wheel and used for keeping the motion guidance during adjustment;
the connecting block is arranged in the groove rail and used for adjusting the movement of the related grooving assembly;
the push rod is fixedly arranged on one side of the internal connecting block of the groove rail;
the slotting sheet is arranged at the other end of the push rod and is used for slotting the paper board;
the first rotating connecting rod is rotatably arranged on the other side of the connecting block;
the first thread block is rotatably arranged at the other end of the first rotating connecting rod;
and the thread adjusting rod is arranged in the first thread block and is used for adjusting the first thread block so as to drive the slotted piece to move.
3. A fluting machine for corrugated board printing as in claim 2 wherein the flute width adjustment assembly comprises:
the sliding rod is arranged between the two side plates above the bottom plate;
the sliding penetrating block is arranged on the sliding rod and drives the slotting adjusting assembly to act and move through the sliding penetrating block so as to realize position adjustment of the slotting;
the second rotating connecting rod is rotatably arranged on one side of the sliding penetrating block;
the second thread block is rotatably arranged at the other end of the second rotating connecting rod;
the threaded rod penetrates through the middle of the second thread block and is used for adjusting the distance between the two opposite second thread blocks;
and the driver is arranged at the end part of one end of the threaded rod and used for driving the threaded rod to rotate.
4. A fluting machine for corrugated board printing as in claim 3 wherein the fluting drive assembly comprises:
the sliding grooves are arranged on the plate bodies of the side plates and used for the up-and-down movement of the sliding rods;
the lower bottom plate is fixed at the bottom of the sliding chute;
the fixed window frame is arranged on the lower bottom plate;
the sliding block is slidably arranged in the fixed window frame and moves together with the driving mechanism;
one end of the hydraulic rod is fixedly arranged on the sliding block and is used for driving the sliding block to move in the fixed window frame;
the hydraulic cylinder is fixedly arranged on the lower bottom plate on one side of the fixed window frame and is used for driving the hydraulic rod to move;
the sliding rod lifting adjusting assembly is arranged on the lower base plate and used for achieving up-and-down adjustment of the sliding rod and further driving the related assemblies to move up and down.
5. A fluting machine for corrugated board printing as in claim 4 wherein the slide bar elevation adjustment assembly comprises:
a first double-sided toothed bar, the first double-sided toothed bar is arranged on one side of the lower bottom plate, one side of the first double-sided toothed bar is fixedly connected with a sliding block arranged in the fixed window frame,
the first incomplete gear is rotatably arranged on two sides of the first double-sided toothed rod and meshed with the first double-sided toothed rod;
the other end of the third rotating connecting rod is meshed with the first incomplete gear;
the upper top plate is arranged in the sliding groove at the upper part of the lower bottom plate;
the fixing block is fixed in the middle of the upper top plate, and the sliding rod is fixedly installed on the fixing block.
6. A fluting machine for corrugated board printing as in claim 5 further comprising:
the fourth rotating connecting rod is rotatably arranged at the other end of the third rotating connecting rod;
the second incomplete gear is fixedly arranged at the other end of the fourth rotating connecting rod, and the fixed shaft is arranged on one side of the upper top plate;
and the second double-sided toothed bar is slidably mounted on the upper top plate and is respectively meshed with the second incomplete gears on two sides.
7. A fluting machine for corrugated board printing as in claim 6 further comprising:
the driving rollers are arranged on two sides of the bottom plate and are used for driving the slotted paperboard to advance;
and the lower grooved wheel is arranged on the bottom plate between the driving rollers, is coaxial and collinear with the driving rollers and is used for being matched with the grooved wheel to perform paperboard slotting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110619931.XA CN113232361A (en) | 2021-06-03 | 2021-06-03 | Fluting machine for corrugated board printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110619931.XA CN113232361A (en) | 2021-06-03 | 2021-06-03 | Fluting machine for corrugated board printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113232361A true CN113232361A (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110619931.XA Pending CN113232361A (en) | 2021-06-03 | 2021-06-03 | Fluting machine for corrugated board printing |
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| Country | Link |
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| CN (1) | CN113232361A (en) |
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|---|---|---|---|---|
| CN201516704U (en) * | 2009-10-20 | 2010-06-30 | 深圳市科发机械制造有限公司 | Grooving mechanism of print grooving machine |
| US20140326119A1 (en) * | 2013-05-02 | 2014-11-06 | Kabushiki Kaisha Isowa | Corrugated paperboard box making machine |
| CN208855103U (en) * | 2018-07-18 | 2019-05-14 | 天津丹盛包装有限公司 | Slotting device for manufacturing carton |
| CN209350975U (en) * | 2018-10-11 | 2019-09-06 | 重庆腾马纸箱包装有限公司 | Carton adjustment type notching construction |
| CN210132809U (en) * | 2019-04-04 | 2020-03-10 | 盐城君雅实业有限公司 | Corrugated paper print fluting machine |
| CN211000186U (en) * | 2019-10-28 | 2020-07-14 | 镇江市龙城包装有限公司 | High-speed printing groover |
| CN211220154U (en) * | 2019-12-29 | 2020-08-11 | 涟水君达电子有限公司 | Grinding device is used in production of electron connecting wire |
| CN212046136U (en) * | 2019-11-28 | 2020-12-01 | 太湖县天龙纸业有限公司 | Slotting device for carton production |
| CN112248540A (en) * | 2020-10-28 | 2021-01-22 | 江门市金钩包装机械有限公司 | A line ball fluting device for offset of preventing of corrugated paper processing |
| CN213054039U (en) * | 2020-08-04 | 2021-04-27 | 大连富诺机器有限公司 | Valve body burr equipment of polishing |
-
2021
- 2021-06-03 CN CN202110619931.XA patent/CN113232361A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516704U (en) * | 2009-10-20 | 2010-06-30 | 深圳市科发机械制造有限公司 | Grooving mechanism of print grooving machine |
| US20140326119A1 (en) * | 2013-05-02 | 2014-11-06 | Kabushiki Kaisha Isowa | Corrugated paperboard box making machine |
| CN208855103U (en) * | 2018-07-18 | 2019-05-14 | 天津丹盛包装有限公司 | Slotting device for manufacturing carton |
| CN209350975U (en) * | 2018-10-11 | 2019-09-06 | 重庆腾马纸箱包装有限公司 | Carton adjustment type notching construction |
| CN210132809U (en) * | 2019-04-04 | 2020-03-10 | 盐城君雅实业有限公司 | Corrugated paper print fluting machine |
| CN211000186U (en) * | 2019-10-28 | 2020-07-14 | 镇江市龙城包装有限公司 | High-speed printing groover |
| CN212046136U (en) * | 2019-11-28 | 2020-12-01 | 太湖县天龙纸业有限公司 | Slotting device for carton production |
| CN211220154U (en) * | 2019-12-29 | 2020-08-11 | 涟水君达电子有限公司 | Grinding device is used in production of electron connecting wire |
| CN213054039U (en) * | 2020-08-04 | 2021-04-27 | 大连富诺机器有限公司 | Valve body burr equipment of polishing |
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Application publication date: 20210810 |
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| RJ01 | Rejection of invention patent application after publication |