CN202053581U - Vacuum-sorption vacuum amount adjustment structure of a corrugating machine - Google Patents
Vacuum-sorption vacuum amount adjustment structure of a corrugating machine Download PDFInfo
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- CN202053581U CN202053581U CN2011201442631U CN201120144263U CN202053581U CN 202053581 U CN202053581 U CN 202053581U CN 2011201442631 U CN2011201442631 U CN 2011201442631U CN 201120144263 U CN201120144263 U CN 201120144263U CN 202053581 U CN202053581 U CN 202053581U
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- vacuum
- hole
- roll body
- vacuum capacity
- adjustable pipe
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Abstract
The utility model relates to a vacuum-sorption vacuum amount adjustment structure of a corrugating machine, comprising a corrugating roller, a plurality of vacuumizing holes arranged on the two ends of the corrugating roller and uniformly distributed along the axial length direction of the corrugating roller and passing through the corrugating roller, wherein the vacuumizing holes are communicated with a wind groove on the outer wall of the corrugating roller, characterized in that: a switch axle mechanism is arranged in the vacuumizing hole and composed of a vacuum amount adjustment pipe, a gas suction hole arranged in the vacuum amount adjustment pipe and perforating the vacuum amount adjustment pipe and an adjustment groove arranged on the outer wall of the vacuum amount adjustment pipe and communicated with the gas suction hole; one end of the vacuum amount adjustment pipe enters into the vacuumizing hole and the vacuum amount adjustment pipe rotates in the vacuumizing hole. The vacuum-sorption vacuum amount adjustment structure of the corrugating machine has features of simple and compact structure, convenient installation and adjustment, energy saving, environmental protection, reduced process cost, safety and reliability.
Description
Technical field
The utility model relates to a kind of vacuum capacity adjustment structure, and especially a kind of vacuum capacity adjustment structure of Corrugating Machine vacuum suction belongs to the technical field of Corrugating Machine.
Background technology
At present, the two ends of corrugation roller have and vacuumize the hole, the described roll surface wind groove that vacuumizes hole connection corrugation roller, and the end end face of corrugation roller links to each other with the inlet scoop of blower fan, and blower fan is adsorbed on paper on the corrugation roller by roll surface wind groove.On the corrugation roller fabric width of body paper not simultaneously, body paper can not cover the roll surface of corrugation roller fully, can occur adsorbing wind-force like this and miss the phenomenon that weakens.When this situation occurring, induced-draught fan can just can reach same adsorption effect with less power.At this moment, induced-draught fan has just increased the power consumption of blower fan with than high power work the time, has caused the waste of the energy; Particularly on the corrugation roller during the less product of processing fabric width, also to use identical high-powerly, energy waste is more obvious, the processing cost that has improved.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of vacuum capacity adjustment structure of Corrugating Machine vacuum suction is provided, and it is simple and compact for structure, installs easy to adjustly, and energy-conserving and environment-protective cut down finished cost, and are safe and reliable.
The technical scheme that provides according to the utility model, the vacuum capacity adjustment structure of described Corrugating Machine vacuum suction, comprise the corrugation roll body, the two ends of described corrugation roll body are provided with some equally distributed holes that vacuumize, the described axial length that vacuumizes the hole along the corrugation roll body, and vacuumize hole perforation corrugation roll body; Vacuumizing the hole is connected with wind groove on the corrugation roll body outer wall; It is characterized in that: described vacuumizing is provided with switch shaft mechanism in the hole, described switch shaft comprises the vacuum capacity adjustable pipe, is provided with the aspirating hole that connects the vacuum capacity adjustable pipe in the described vacuum capacity adjustable pipe; The outer wall of vacuum capacity adjustable pipe is provided with regulating tank, and described regulating tank is connected with aspirating hole; One end of vacuum capacity adjustable pipe stretches into and vacuumizes in the hole, and the vacuum capacity adjustable pipe can rotate in vacuumizing the hole.
Described regulating tank is skewed distribution on the vacuum capacity adjustable pipe, the length of regulating tank is less than the length of vacuum capacity adjustable pipe.
Described regulating tank forms first adjustable side and second adjustable side on the vacuum capacity adjustable pipe, the end face of first adjustable side and second adjustable side all is circular-arc; The angle of first adjustable side is 20 ° ~ 60 °, and the angle of second adjustable side is 60 ° ~ 300 °; The end of the contiguous corrugation roll body in first adjustable side.
One end end of described vacuum capacity adjustable pipe is provided with driven gear, and the vacuum capacity adjustable pipe stretches into corresponding to the other end that driven gear is set and vacuumizes in the hole; Described driven gear is meshed with the driving gear of corrugation roll body end; Driving gear can rotate in the end of corrugation roll body.
The center at described corrugation roll body two ends all convexes with the installation locating shaft, vacuumizes the hole and is positioned at the outer ring that locating shaft is installed.
Described aspirating hole with vacuumize the hole and be connected, and the axis of aspirating hole is located along the same line with the axis that vacuumizes the hole.
Described corrugation roll body vacuumizes the hole corresponding to setting end links to each other with the inlet scoop of induced-draught fan.Described wind groove ringwise.
Advantage of the present utility model: be provided with some equally distributed holes that vacuumize in the corrugation roll body, vacuumize the hole and connect the corrugation roll body; Vacuumize and be provided with the switch shaft mechanism that constitutes by vacuum capacity adjustable pipe and driven gear in the hole; The vacuum capacity adjustable pipe is provided with regulating tank, form first adjustable side and second adjustable side on the outer wall of described regulating tank and vacuum capacity adjustable pipe, first adjustable side and second adjustable side make regulating tank be skewed distribution on the vacuum capacity adjustable pipe, thereby in vacuumizing the hole during rotation vacuum amount adjustable pipe, can adapt to the different wind groove of shutoff, adapt to the fabric width requirement of different processing; When the vacuum capacity adjustable pipe vacuumizing in the hole rotate shutoff wind groove after, can reduce the gas leakage that corresponding wind groove produces, can not influence the processing request that vacuumizes in corrugation roll body centre simultaneously, reduce the power of induced-draught fan work, reduce the energy consumption of induced-draught fan, energy-conserving and environment-protective; Driven gear is meshed with driving gear, drives the rotation of driven gear by driving gear, reaches the connected state of regulating vacuum capacity adjustable pipe adjusted groove and corresponding wind groove, installs easy to adjustly, simple and compact for structure, cuts down finished cost, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the B-B cutaway view of Fig. 1.
Fig. 3 is the structural representation of switch shaft of the present utility model mechanism.
Fig. 4 is the A-A cutaway view of Fig. 2.
Fig. 5 is the another kind of state diagram of Fig. 4.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As Fig. 1 ~ shown in Figure 5: the utility model comprises driven gear 1, driving gear 2, locating shaft 3, switch shaft mechanism 4, wind groove 5 are installed, vacuumize hole 6, vacuum capacity adjustable pipe 7, first adjustable side 8, regulating tank 9, second adjustable side 10, corrugation roll body 11 and aspirating hole 12.
As Fig. 1, Fig. 2 and shown in Figure 3: as described in corrugation roll body 11 cylindrical structures, be provided with some holes 6 that vacuumize in the corrugation roll body 11, vacuumizing hole 6 evenly distributes on corrugation roll body 11, the described hole 6 of vacuumizing connects corrugation roll bodies 11, vacuumizes hole 6 and extends to other end end face from an end end face of corrugation roll body 11; And the axis that vacuumizes hole 6 parallels distribution with the axis of corrugation roll body 11.The outer peripheral face of corrugation roll body 11 is provided with some equally distributed wind grooves 5, and described wind groove 5 distributes along the outer peripheral face of corrugation roll body 11, wind groove 5 in the form of a ring, wind groove 5 with vacuumize hole 6 and be connected.When the end of corrugation roll body 11 links to each other with the inlet scoop of induced-draught fan, when induced-draught fan vacuumizes with wind groove 5 by vacuumizing hole 6, can on the outer surface of corrugation roll body 11, form negative pressure state, the body paper that needs can be processed corrugation is adsorbed on the corrugation roll body 11.When the fabric width of the body paper of needs processing during less than the length of corrugation roll body 11, just have part wind groove 5 and produce air leakage phenomena, when induced-draught fan makes corrugation roll body 11 produce absorption with identical power, will increase energy resource consumption, can increase use cost equally.
For fear of above-mentioned situation, reduce the energy resource consumption of induced-draught fan, reach effect in energy saving and environmental protection, described vacuumizing is provided with switch shaft mechanism 4 in the hole 6, described switch shaft mechanism 4 can regulate the wind groove 5 and the connected state that vacuumizes hole 6 at corrugation roll body 11 two ends, thereby reduce wind groove 5 air leakage phenomena at corrugation roll body 11 two ends, reduce requirement induced-draught fan power.Described switch shaft mechanism 4 comprises vacuum capacity adjustable pipe 7, is provided with aspirating hole 12 in the described vacuum capacity adjustable pipe 7, and described aspirating hole 12 connects vacuum capacity adjustable pipes 7.The outer surface of vacuum capacity adjustable pipe 7 is provided with regulating tank 9, and described regulating tank 9 is connected with aspirating hole 12.Regulating tank 9 is skewed distribution on the outer peripheral face of vacuum capacity adjustable pipe 7, regulating tank 9 forms first adjustable side 8 and second adjustable side 10 on vacuum capacity adjustable pipe 7, the axis of described first adjustable side 8 and second adjustable side 10 not on same straight line, thereby make regulating tank 9 on vacuum capacity adjustable pipe 7, form skewed distribution.First adjustable side 8 and second adjustable side 10 all are circular arc, and the central angle of first adjustable side, 8 correspondences or angle are 20 ° ~ 60 °, and the central angle of second adjustable side, 10 correspondences or angle are 60 ° ~ 300 °; The notch that promptly has 20 ° ~ 60 ° on the outer peripheral face of vacuum capacity adjustable pipe 7 upper edge vacuum capacity adjustable pipes 7 forms first adjustable side 8, and the notch that has 60 ° ~ 300 ° on the outer surface of vacuum capacity adjustable pipe 7 other ends forms second adjustable side 10, form regulating tank 9 after first adjustable side 8 is connected with second adjustable side 10, the length of regulating tank 9 is less than the length of vacuum capacity adjustable pipe 7.
Vacuum capacity adjustable pipe 7 can rotate in vacuumizing hole 6, and vacuum capacity adjustable pipe 7 stretches into corresponding to an end that forms second adjustable side 10 and vacuumizes in the hole 6.When vacuum capacity adjustable pipe 7 stretches into when vacuumizing in the hole 6, the axis of the aspirating hole 12 in the vacuum capacity adjustable pipe 7 is located along the same line with the axis that vacuumizes hole 6; Aspirating hole 12, regulating tank 9 are connected with wind groove 5 by vacuumizing hole 6, as shown in Figure 4.As shown in Figure 5: when vacuum capacity adjustable pipe 7 is vacuumizing in the hole 6 when rotating, after the regulating tank 9 corresponding rotations of vacuum capacity adjustable pipe 7, the part respective change of regulating tank 9 and the 5 corresponding connections of wind groove, after vacuum capacity adjustable pipe 7 is corresponding corresponding to the wind groove 5 of the another side that regulating tank 9 is set and corrugation roll body 11 ends, the 7 corresponding complete shutoff of outer wall surface of vacuum capacity adjustable pipe corresponding wind groove 5, avoided producing the phenomenon of leaking out to cover corrugation roll body 11 two ends wind grooves 5 time because the fabric width of body paper or base stock is less, thereby can reach same processing request in the situation that does not increase induced-draught fan power, saved the energy consumption of induced-draught fan, energy-conserving and environment-protective.
In order to be convenient to that vacuum capacity adjustable pipe 7 is rotated in vacuumizing hole 6, an end end of vacuum capacity adjustable pipe 7 is provided with driven gear 1, and described driven gear 1 is positioned at vacuum capacity adjustable pipe 7 corresponding to the end that first adjustable side 8 is set.Vacuum capacity adjustable pipe 7 stretches into corresponding to the other end that driven gear 1 is set and vacuumizes in the hole 6, and driven gear 1 is meshed with the driving gear 2 of corrugation roll body 11 ends.The center of corrugation roll body 11 ends convexes with installs locating shaft 3, and the axis of the axis of described installation locating shaft 3 and corrugation roll body 11 is located along the same line; And vacuumize hole 6 and be positioned at the outer ring that locating shaft 3 is installed.Driving gear 2 is enclosed within to be installed on the locating shaft 3, driving gear 2 rotates on corrugation roll body 11, when driving gear 2 rotates, by the engagement of 1 of driving gear 2 and driven gear, can drive driven gear 1 and rotate, and then realize the rotation of vacuum capacity adjustable pipe 7 in vacuumizing hole 6.Corrugation roll body 11 is provided with driving gear 2 rotating and limiting mechanisms, can limit the rotational angle that driving gear 2 drives driven gear 1; After driving gear 2 drives driven gears 1 and rotate in place, by the driving gear detent mechanism with driving gear 2 and driven gear 1 locking positioning on corrugation roll body 11; Thereby can not influence the duty of corrugation roll body 11.
As Fig. 1 ~ shown in Figure 5: during use, fabric width according to base paper or base stock on the corrugation roll body 11, determine to need on the corrugation roll body 11 to vacuumize the wind groove 5 that forms negative pressure, promptly when the fabric width of body paper or base stock is corresponding with the length of corrugation roll body 11, the wind groove 5 of corrugation roll body 11 outer surfaces is wanted all and is vacuumized hole 6 and be connected, at this moment, the contiguous wind groove 5 of the notch of vacuum capacity adjustable pipe 7 adjusted grooves 9, the notch of regulating tank 9 is connected with corresponding wind groove 5; The wind groove 5 in corrugation roll body 11 centres is by vacuumizing hole 6 and aspirating hole 12 is finished vacuum; And the wind groove 5 that vacuum capacity adjustable pipe 7 places are housed is finished vacuum by regulating tank 9 and aspirating hole 12, whole body paper or base stock can be formed negative-pressure adsorption on corrugation roll body 11 by vacuumizing.When the fabric width of body paper or base stock during less than the length of corrugation roll body 11, body paper or base stock add the centre that can be adsorbed on corrugation roll body 11 man-hour.And during the centre of body paper or base stock absorption corrugation roll body 11, the wind groove 5 at corrugation roll body 11 two ends can be exposed in the atmosphere, when the inlet scoop of induced-draught fan vacuumizes by vacuumizing hole 6, the wind groove 5 at corrugation roll body 11 two ends produces gas leakage, therefore to will carry out shutoff with body paper or the discontiguous wind groove 5 of base stock, reduce the gas leakage that corresponding wind groove 5 produces, reduce the energy consumption of induced-draught fan.
After the fabric width of body paper to be processed or base stock was determined, corrugation roll body 11 two ends wind grooves 5 and the connected state that vacuumizes hole 6 were also along with determining.When the fabric width of body paper or base stock is corresponding with the length of corrugation roll body 11, driving driven gear 1 by driving gear 2 rotates in vacuumizing hole 6, driven gear 1 drives vacuum capacity adjustable pipe 7 and rotates in vacuumizing hole 6, the notch of corresponding regulating tank 9 all is connected with wind groove 5 on vacuum capacity adjustable pipe 7, it is the contiguous wind groove 5 of notch of regulating tank 9, at this moment, when induced-draught fan vacuumizes, the wind groove 5 at corrugation roll body 11 two ends is by regulating tank 9 and aspirating hole 12, vacuumize hole 6 and finish vacuum, body paper or base stock are by being adsorbed on the corrugation roll body 11 by the negative pressure state that forms; Simultaneously the wind groove 5 of corrugation roll body 11 centers is by vacuumizing hole 6 and aspirating hole 12 can be finished vacuum.
When the fabric width of body paper or base stock less than corrugation roll body 11 on, and during the fabric width of body paper or base stock energy covering vacuum amount adjustable pipe 7 top regulating tanks 9 notches, driving driven gear 1 by driving gear 2 rotates, vacuum capacity adjustable pipe 7 is rotated in vacuumizing hole 6, the rotation direction of vacuum capacity adjustable pipe 7 in vacuumizing hole 6 is the incline direction state along regulating tank 9, like this when vacuum capacity adjustable pipe 7 rotates, the notch of the regulating tank 9 of contiguous first adjustable side 8 at first turns to respective angles, vacuum capacity adjustable pipe 7 is corresponding to another surface that regulating tank 9 is set wind groove 5 of not covered by body paper or base stock of end, shutoff corrugation roll body 11 two ends at first, and be close to corresponding wind groove 5 with body paper or base stock overlaid regulating tank 9 notches partly, the notch of corresponding regulating tank 9 is connected with wind groove 5, at this moment, because the corresponding relation of regulating tank 9 and wind groove 5, when vacuumizing, can not influence by wind groove 5 vacuum of body paper or base stock covering by induced-draught fan.
When the fabric width of body paper or the base stock length less than corrugation roll body 11, and second adjustable side 10 of body paper or base stock and regulating tank 9 needs and will all want shutoff with the corresponding wind groove 5 of regulating tank 9 notch length when not having lap.During adjusting, drive driven gears 1 by driving gear 2 and rotate, vacuum capacity adjustable pipe 7 is rotated during vacuumizing hole 6, away from wind groove 5, promptly the notch of regulating tank 9 is close to the center of corrugation roll body 11 until the notch of regulating tank 9; Like this vacuum capacity adjustable pipe 7 corresponding to another surface that regulating tank 9 is set can the corresponding wind groove 5 of shutoff with vacuumize being communicated with of hole 6; At this moment, when induced-draught fan vacuumizes by vacuumizing hole 6, can not produced gas leakage, and the wind groove 5 in corrugation roll body 11 centres is by vacuumizing hole 6 and aspirating hole 12 is finished vacuum by the wind groove 5 of vacuum capacity adjustable pipe 7 shutoff.Because the fabric width regardless of body paper or base stock all can contact with the wind groove 5 in corrugation roll body 11 centres, therefore only need switch shaft mechanism 4 be installed at the two ends in the corrugation roll body 11 and get final product.After vacuum capacity adjustable pipe 7 is regulated and finished,, can not influence the process of corrugation roll body 11 because driving gear 2 keeps relative static conditions with driven gear 1.
Be provided with some equally distributed holes 6 that vacuumize in the utility model corrugation roll body 11, vacuumize hole 6 and connect corrugation roll body 11; Vacuumize and be provided with the switch shaft mechanism 4 that constitutes by vacuum capacity adjustable pipe 7 and driven gear 1 in the hole 6; Vacuum capacity adjustable pipe 7 is provided with regulating tank 9, form first adjustable side 8 and second adjustable side 10 on the outer wall of described regulating tank 9 and vacuum capacity adjustable pipe 7, first adjustable side 8 and second adjustable side 10 make regulating tank 9 be skewed distribution on vacuum capacity adjustable pipe 7, thereby in vacuumizing hole 6 during rotation vacuum amount adjustable pipe 7, can adapt to the different wind groove 5 of shutoff, adapt to the fabric width requirement of different processing; When vacuum capacity adjustable pipe 7 vacuumizing in the hole 6 rotate shutoff wind groove 5 after, can reduce the gas leakage that corresponding wind groove 5 produces, can not influence the processing request that vacuumizes in corrugation roll body 11 centres simultaneously, reduce the power of induced-draught fan work, reduce the energy consumption of induced-draught fan, energy-conserving and environment-protective; Driven gear 1 is meshed with driving gear 2, by the rotation of driving gear 2 drive driven gears 1, reaches the connected state of regulating vacuum capacity adjustable pipe 7 adjusted grooves 9 and corresponding wind groove 5, install easy to adjust, simple and compact for structure, cut down finished cost, safe and reliable.
Claims (8)
1. the vacuum capacity adjustment structure of a Corrugating Machine vacuum suction, comprise corrugation roll body (11), the two ends of described corrugation roll body (11) are provided with some equally distributed holes (6) that vacuumize, the described axial length that vacuumizes hole (6) along corrugation roll body (11), and vacuumize hole (6) perforation corrugation roll body (11); Vacuumizing hole (6) is connected with wind groove (5) on corrugation roll body (11) outer wall; It is characterized in that: described vacuumizing is provided with switch shaft mechanism (4) in the hole (6), described switch shaft (4) comprises vacuum capacity adjustable pipe (7), is provided with the aspirating hole (12) that connects vacuum capacity adjustable pipe (7) in the described vacuum capacity adjustable pipe (7); The outer wall of vacuum capacity adjustable pipe (7) is provided with regulating tank (9), and described regulating tank (9) is connected with aspirating hole (12); One end of vacuum capacity adjustable pipe (7) stretches into and vacuumizes in the hole (6), and vacuum capacity adjustable pipe (7) can rotate in vacuumizing hole (6).
2. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: described regulating tank (9) is skewed distribution on vacuum capacity adjustable pipe (7), and the length of regulating tank (9) is less than the length of vacuum capacity adjustable pipe (7).
3. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: described regulating tank (9) is gone up at vacuum capacity adjustable pipe (7) and is formed first adjustable side (8) and second adjustable side (10), and first adjustable side (8) all are circular-arc with the end face of second adjustable side (10); The angle of first adjustable side (8) is 20 ° ~ 60 °, and the angle of second adjustable side (10) is 60 ° ~ 300 °; The end of the contiguous corrugation roll body in first adjustable side (8) (11).
4. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: an end end of described vacuum capacity adjustable pipe (7) is provided with driven gear (1), and vacuum capacity adjustable pipe (7) stretches into corresponding to the other end that driven gear (1) is set and vacuumizes in the hole (6); Described driven gear (1) is meshed with the driving gear (2) of corrugation roll body (11) end; Driving gear (2) can rotate in the end of corrugation roll body (11).
5. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: the center at described corrugation roll body (11) two ends all convexes with installs locating shaft (3), vacuumizes hole (6) and is positioned at the outer ring that locating shaft (3) is installed.
6. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: described aspirating hole (12) with vacuumize hole (6) and be connected, and the axis of aspirating hole (12) is located along the same line with the axis that vacuumizes hole (6).
7. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: described corrugation roll body (11) vacuumizes hole (6) corresponding to setting end links to each other with the inlet scoop of induced-draught fan.
8. according to the vacuum capacity adjustment structure of the described Corrugating Machine vacuum suction of claim 1, it is characterized in that: described wind groove (5) ringwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201442631U CN202053581U (en) | 2011-05-09 | 2011-05-09 | Vacuum-sorption vacuum amount adjustment structure of a corrugating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201442631U CN202053581U (en) | 2011-05-09 | 2011-05-09 | Vacuum-sorption vacuum amount adjustment structure of a corrugating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202053581U true CN202053581U (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201442631U Expired - Lifetime CN202053581U (en) | 2011-05-09 | 2011-05-09 | Vacuum-sorption vacuum amount adjustment structure of a corrugating machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202053581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198742A (en) * | 2011-05-09 | 2011-09-28 | 朱青东 | Vacuum-adsorbing vacuum capacity regulating structure of corrugating machine |
-
2011
- 2011-05-09 CN CN2011201442631U patent/CN202053581U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198742A (en) * | 2011-05-09 | 2011-09-28 | 朱青东 | Vacuum-adsorbing vacuum capacity regulating structure of corrugating machine |
| WO2012151729A1 (en) * | 2011-05-09 | 2012-11-15 | Zhu Qingdong | Structure for regulating corrugating machine's vacuum level for vacuum suction |
| CN102198742B (en) * | 2011-05-09 | 2012-11-28 | 无锡裕泰包装机械科技有限公司 | Vacuum-adsorbing vacuum capacity regulating structure of corrugating machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111130 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |