CN203079392U - Crease-preventing mechanism in cutting of woven bags - Google Patents

Crease-preventing mechanism in cutting of woven bags Download PDF

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Publication number
CN203079392U
CN203079392U CN 201320087176 CN201320087176U CN203079392U CN 203079392 U CN203079392 U CN 203079392U CN 201320087176 CN201320087176 CN 201320087176 CN 201320087176 U CN201320087176 U CN 201320087176U CN 203079392 U CN203079392 U CN 203079392U
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CN
China
Prior art keywords
wrinkle resistant
belt
platform
cutting knife
cut
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Expired - Fee Related
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CN 201320087176
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Chinese (zh)
Inventor
郭剑
方挺
邱聚总
陈再选
郭永乐
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WENZHOU NINGTAI MACHINERY CO Ltd
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WENZHOU NINGTAI MACHINERY CO Ltd
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Priority to CN 201320087176 priority Critical patent/CN203079392U/en
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Publication of CN203079392U publication Critical patent/CN203079392U/en
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Abstract

The utility model relates to a crease-preventing mechanism in cutting of woven bags, which solves the problems that in the current woven-bag cutting mechanism, creases are easily generated on the parts of woven products, crossing over the cutting knife in the conveying process. The crease-preventing mechanism comprises a cutting platform, wherein a cutting knife is arranged on the cutting platform; the front side of the cutting knife is provided with paired rolls for conveying the woven products; the paired rolls comprise an upper pressing roll and a lower pressing roll which roll synchronously; the cutting platform at the rear side of the cutting knife is provided with a plurality of crease-preventing belts arranged along the conveying direction of the woven products by belt wheels in an erecting manner; the lower side surfaces of the crease-preventing belts are working surfaces which move towards the conveying direction and can be contacted with the woven products; and the linear speed of the crease-preventing belts is higher than or equal to the conveying linear speed of the roll surfaces of the paired rolls. The crease-preventing mechanism has the advantages that due to the adoption of the crease-preventing belts with the linear speed higher than or equal to the conveying linear speed of the paired rolls, the phenomenon that the creases are easily generated on the parts of the woven products, crossing over the cutting knife, in the conveying process is effectively prevented, and the product quality and the production efficiency are improved.

Description

A kind of woven bag cuts wrinkle resistant mechanism
Technical field
The utility model belongs to knitting cutting apparatus field, relates to a kind of woven bag and cuts wrinkle resistant mechanism.
Technical background
In the woven bag production process, need, carry out the operation of bag tape edge then the continuous knitting section of cutting into.Woven bag cuts general employing cutting knife, adopts conveying roller will continuous knitting to carry and make the knitting front end cross cutting knife towards the cutting knife direction, and the length of crossing the cutting knife part when knitting reaches the requirement of making bag, uses the cutting knife cut-out.In the process of carrying knitting, cutting knife partly is provided with the blowing mouth that blows towards the place ahead, and the knitting of crossing cutting knife is upwarped by blowing effect easily, especially delivery speed is fast more, the knitting end also is subjected to the big more windage of advancing, and forms fold easily, influences the yield rate of woven bag.And delivery speed is fast more, and the knitting end is upwarped by windage to form the probability of fold high more, and the delivery speed of knitting is subjected to above-mentioned restriction, has restricted the production efficiency of woven bag greatly.
The CN202097998U patent document of Patent Office of the People's Republic of China's bulletin on January 4th, 2012, name is called the wrinkle resistant structure of woven bag body, determine the front and back side with throughput direction, this device is provided with in the front side of cutting knife and send bag wheels, at the cutting knife rear side conveying clip wheel group is set, carry clip wheel group rotating speed greater than sending a bag wheels rotating speed, the fast conveying speed discrepancy in slow back before utilizing makes knitting can tensioning not produce fold through the cutting knife position time.But, there is following defective in this device: 1, carry the clip wheel group sheathed belt of clip wheel difference up and down, adopt the knitting after two belt clampings conveying cuts up and down, the synchronism of two belts own just is difficult to guarantee, and owing to two belts tensile force separately is difficult to be consistent, course of conveying can produce in various degree flexible, and above-mentioned reason all can cause knitting can produce fold at belt clamping transport portion; 2, cut the back when the tape edge bench board shifts when knitting, the vertical strap throughput direction is pulled because knitting is clamped between two belts also, is easy to generate fold; 3, after knitting once cuts and finishes, how cutting surface is accurately sent into carry between the clip wheel group and had a difficult problem.
Summary of the invention
The purpose of this utility model is to cross cutting knife part knitting is easy to generate fold in course of conveying problem at present woven bag cutting mechanism, and a kind of woven bag cutting mechanism that can be anti-fold is provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of woven bag cuts wrinkle resistant mechanism, comprise and cut platform, cut platform and be provided with cutting knife, the front side of cutting knife is provided with the pair roller of carrying the continuous weaving thing, pair roller comprises the last pressure roller and the lower compression roller of synchronous rolling, cutting on the platform of cutting knife rear side set up the some wrinkle resistant belts that are provided with along the knitting throughput direction by belt pulley, the driving surface of the downside of wrinkle resistant belt for moving in the same way and can contact with knitting with throughput direction, the linear velocity of wrinkle resistant belt is more than or equal to the travel line speed of pair roller roll surface.In the knitting course of conveying, the major cause that forms fold is that does not pull tightly the end, causes carrying when too fast, and the knitting end upwards hikes up, if confinement end does not hike up, then formation is rewinded easily; And the knitting end is provided with fixing depression bar, cause the knitting end to run into depression bar again easily after delivery speed less than the rear delivery speed, produce fold.This programme is on the platform of cutting knife rear side, the wrinkle resistant belt that constantly moves to throughput direction in the bottom surface is set, make the kinematic velocity of the kinematic velocity of wrinkle resistant belt bottom surface more than or equal to conveying rolls, when the knitting end hikes up contact belt lower surface, belt can cause one to the tight power of pulling of throughput direction to knitting, be equivalent to pull tight monoblock knitting to throughput direction, avoid knitting to form fold in the knitting end.With respect to the form that compression column with fixed only is set at the cutting knife rear side, improving productivity through actual verification, adopts the production efficiency of 30 woven bags of depression bar form per minute more than one times, after using wrinkle resistant belt instead, per minute is produced woven bag quantity and can be brought up to more than 60.And this programme also avoided in the background technology, adopt two belt clampings to carry to cause carry and transfer process in the problem of fold; Also avoided described in the background technology behind the cutting device follow-up knitting be difficult to the to align problem of two belt clip positions.
As preferably, described wrinkle resistant belt and corresponding belt pulley are arranged on the pressure frame of frame shape, press the frame front end to be provided with active rotating shaft, rear end with some driving pulleys and be provided with passive rotating shaft with corresponding negative pulley wheel, the two ends of each wrinkle resistant belt are set in respectively on cooresponding driving pulley and the negative pulley wheel.
As preferably, press the front end of frame to be hinged on and be higher than on the mount pad that cuts the platform upper surface, press the rear end of frame to set up and cutting the flat-bed upper surface.Press frame to rotate, will press the frame rear end to dig so that keep in repair or Job Operations around hinge-point.
As preferably, described active rotating shaft is coaxial with the hinge-point of pressing frame.Make when pressing frame to rotate, do not influence the position of active rotating shaft.
As preferably, describedly go up the end of pressure roller and belt-driving is passed through in the end of active rotating shaft.Adopt cog belt to guarantee stable transmitting ratio in the transmission process, and keep going up pressure roller and to active rotating shaft transmitting ratio greater than 1 is arranged, when driving pulley was consistent with the last pressure roller radius of gyration, wrinkle resistant belt can have the linear velocity greater than last pressure roller conveyor surface.Certainly, as other scheme, also can be by the coordinate design of transmitting ratio and radius of gyration ratio, reach wrinkle resistant belt and can have purpose greater than the linear velocity of last pressure roller conveyor surface.
As preferably, also be provided with the transfer belt pulley set between the end of described upward pressure roller and the end of active rotating shaft.The transfer belt pulley set comprises two coaxial belt wheels, and transmission is finished in the end of one of them belt wheel and last pressure roller, and another belt wheel and active rotating shaft are finished transmission.
As preferably, the described end of pressure roller and lower compression roller of going up is by ingear synchronizer gear group synchrodrive.Power drives by the synchronizer gear group and goes up the pressure roller rotation from the end input of lower compression roller, and the realization knitting is carried, and wrinkle resistant belt power obtains from last pressure roller by belt-driving.
As preferably, described pair roller and wrinkle resistant belt have same propulsion source, and described propulsion source is a motor.
As preferably, the platform side that cuts of described cutting knife rear side is connected with the tape edge platform, and tape edge platform throughput direction is with to cut the platform throughput direction vertical.
As preferably, described driving surface is downward-sloping from front to back.Can reduce the number of times that the knitting end upwards hikes up like this, make that the knitting cut lengths of cutting is more accurate, improve the quality of product.
The utility model adopts the wrinkle resistant belt of linear velocity greater than the pair roller delivery speed, prevents that effectively knitting from crossing the phenomenon of the part of cutting knife at the course of conveying fold, has improved product design and production efficiency.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structure enlarged drawing at A place among the utility model Fig. 1;
Fig. 3 is the side direction interior views that the utility model cuts the platform back segment.
Among the figure: 1. cut platform, 2. the tape edge platform is 3. pressed frame, 4. wrinkle resistant belt, 5. driving pulley, 6. active rotating shaft, 7. cutting knife, 8. pair roller, 9. erecting frame, 10. first belt pulley, 11. second belt pulleys, 12. the 3rd belt pulleys, 13. transfer belt pulley set, 14. the 4th belt pulley, 15. negative pulley wheels, 16. synchronizer gear groups.
The specific embodiment
Also in conjunction with the accompanying drawings the utility model is further specified below by specific embodiment.
Embodiment: a kind of woven bag cuts wrinkle resistant mechanism, as shown in Figure 1 and Figure 2.In the woven bag production process, the continuous weaving thing that is wound into reel is transported to and cuts platform 1, by cutting knife 7 knitting is cut into the scale segment, enters tape edge platform 2 tape edges then.Tape edge platform 2 is connected the side that cuts platform 1 back segment, and tape edge platform 2 is with to cut platform 1 throughput direction vertical.Cutting knife 7 rear sides are provided with presses frame 3, and pressing frame 3 is framed structure.Press frame 3 upper edge throughput directions to be provided with three parallel wrinkle resistant belts 4.
The structure of cutting knife 7 front and back such as Fig. 2, shown in Figure 3, cutting knife 7 is arranged on the back segment that cuts platform 1, the front side of cutting knife is provided with the pair roller 8 of carrying knitting, and pair roller comprises last pressure roller and the lower compression roller that rolls relatively up and down, and knitting is clamped in to go up between pressure roller and the lower compression roller to be carried.Cutting knife 7 tops and left and right sides are provided with the stand of support, stand is a part that cuts platform 1, but the stand of cutting knife 7 rear sides is provided with the erecting frame 9 of two height up and down, press the front end left and right sides of frame 3 to be hinged on respectively on two erecting frames, press the rear end of frame 3 to set up on the table top that cuts platform 1, whole pressure frame is downward-sloping from front to back.Press the front end and the hinge-point of frame 3 to be coaxially arranged with active rotating shaft 6, active rotating shaft 6 is provided with three driving pulleys 5 that wrinkle resistant belt 4 is installed.Press the rear end of frame to be provided with the passive rotating shaft parallel with active rotating shaft, passive rotating shaft is provided with three negative pulley wheels 15 with driving pulley 5 corresponding matching.Wrinkle resistant belt 4 front and back ends are set in respectively on cooresponding driving pulley 5 and the negative pulley wheel 15.The lower surface of wrinkle resistant belt is downward-sloping from front to back.
Cut platform 1 bottom and be provided with drive motor, the drive motor output shaft is provided with first belt pulley 10, the lower compression roller end of pair roller 8 is provided with second belt pulley 11, the last pressure roller end of pair roller 8 is provided with the 3rd belt pulley 12, last pressure roller and lower compression roller also are provided with the synchronizer gear group 16 of the transmission that is meshing with each other in the inboard of second belt pulley and the 3rd belt pulley, stand is provided with transfer belt pulley set 13, presses active rotating shaft 6 ends of frame 3 to be provided with the 4th belt pulley 14.Power transmission line is as follows: drive motor drives first belt pulley 10, driving second belt pulley 11 by belt-driving rotates, second belt pulley 11 drives lower compression roller and rotates, lower compression roller drives by synchronizer gear group 16 and goes up the pressure roller rotation, the 3rd belt pulley 12 of last pressure roller end drives transfer belt pulley set 13 by belt-driving and rotates, transfer belt pulley set 13 comprises synchronous a big belt wheel and a small pulley, small pulley and the 3rd belt pulley 1:1 transmission, big belt wheel and the 4th belt 14 take turns that to carry out revolution ratio be driving up of 2:3.Above-mentioned belt-driving all adopts the cog belt transmission.By above-mentioned transmission,, drive pair roller and active rotating shaft and rotate by a propulsion source.Active rotating shaft 6 rotating speeds are 1.5 times of last pressure roller rotating speed, and it is identical that driving pulley 5 and last pressure roller diameter are designed to, and the linear velocity that makes wrinkle resistant belt is 1.5 times of pair roller travel line speed.
During the work of this device, knitting is carried by pair roller, after the knitting end surpasses cutting knife, enter wrinkle resistant belt downside and cut between the platform upper surface, when delivery speed comparatively fast causes the knitting end to hike up running into wrinkle resistant belt,, can produce one to throughput direction and downward pull tight power to the knitting end because wrinkle resistant belt movement speed surpasses the knitting delivery speed, the knitting end is pullled to throughput direction, realize wrinkle resistant.
Above-described embodiment is a kind of preferred version of the present utility model, is not the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
The content that is not described in detail in this specification sheets belongs to the those skilled in the art known prior art.

Claims (10)

1. a woven bag cuts wrinkle resistant mechanism, comprise and cut platform, cut platform and be provided with cutting knife, the front side of cutting knife is provided with the pair roller of carrying the continuous weaving thing, pair roller comprises the last pressure roller and the lower compression roller of synchronous rolling, it is characterized in that: cutting on the platform of cutting knife rear side set up the some wrinkle resistant belts that are provided with along the knitting throughput direction by belt pulley, the driving surface of the downside of wrinkle resistant belt for moving in the same way and can contact with knitting with throughput direction, the linear velocity of wrinkle resistant belt is more than or equal to the travel line speed of pair roller roll surface.
2. a kind of woven bag according to claim 1 cuts wrinkle resistant mechanism, it is characterized in that: described wrinkle resistant belt and corresponding belt pulley are arranged on the pressure frame of frame shape, press the frame front end to be provided with active rotating shaft, rear end with some driving pulleys and be provided with passive rotating shaft with corresponding negative pulley wheel, the two ends of each wrinkle resistant belt are set in respectively on cooresponding driving pulley and the negative pulley wheel.
3. a kind of woven bag according to claim 2 cuts wrinkle resistant mechanism, it is characterized in that: the front end of pressure frame is hinged on and is higher than on the mount pad that cuts the platform upper surface, and the rear end of pressure frame is set up and cut the flat-bed upper surface.
4. a kind of woven bag according to claim 3 cuts wrinkle resistant mechanism, it is characterized in that: described active rotating shaft is coaxial with the hinge-point of pressing frame.
5. cut wrinkle resistant mechanism according to claim 2 or 3 or 4 described a kind of woven bags, it is characterized in that: belt-driving is passed through in the described upward end of pressure roller and the end of active rotating shaft.
6. a kind of woven bag according to claim 5 cuts wrinkle resistant mechanism, it is characterized in that: also be provided with the transfer belt pulley set between the end of described upward pressure roller and the end of active rotating shaft.
7. cut wrinkle resistant mechanism according to claim 1 or 2 or 3 or 4 described a kind of woven bags, it is characterized in that: the described end of pressure roller and lower compression roller of going up is by ingear synchronizer gear group synchrodrive.
8. cut wrinkle resistant mechanism according to claim 1 or 2 or 3 or 4 described a kind of woven bags, it is characterized in that: described pair roller and wrinkle resistant belt have same propulsion source, and described propulsion source is a motor.
9. cut wrinkle resistant mechanism according to claim 1 or 2 or 3 or 4 described a kind of woven bags, it is characterized in that: the platform side that cuts of described cutting knife rear side is connected with the tape edge platform, and tape edge platform throughput direction is with to cut the platform throughput direction vertical.
10. cut wrinkle resistant mechanism according to claim 1 or 2 or 3 or 4 described a kind of woven bags, it is characterized in that: described driving surface is downward-sloping from front to back.
CN 201320087176 2013-02-27 2013-02-27 Crease-preventing mechanism in cutting of woven bags Expired - Fee Related CN203079392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320087176 CN203079392U (en) 2013-02-27 2013-02-27 Crease-preventing mechanism in cutting of woven bags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320087176 CN203079392U (en) 2013-02-27 2013-02-27 Crease-preventing mechanism in cutting of woven bags

Publications (1)

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CN203079392U true CN203079392U (en) 2013-07-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072843A (en) * 2013-02-27 2013-05-01 温州宁泰机械有限公司 Cutting crease-resistant mechanism for woven bag
CN104339712A (en) * 2013-08-01 2015-02-11 广东中包机械有限公司 Embedded numerical-control multi-column bag making synchronous pulling device of bag making machine
CN113389039A (en) * 2021-04-23 2021-09-14 安徽甬安雨具有限公司 Integrated equipment is decided with cloth transmission to raincoat production

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072843A (en) * 2013-02-27 2013-05-01 温州宁泰机械有限公司 Cutting crease-resistant mechanism for woven bag
CN103072843B (en) * 2013-02-27 2015-06-03 温州宁泰机械有限公司 Cutting crease-resistant mechanism for woven bag
CN104339712A (en) * 2013-08-01 2015-02-11 广东中包机械有限公司 Embedded numerical-control multi-column bag making synchronous pulling device of bag making machine
CN113389039A (en) * 2021-04-23 2021-09-14 安徽甬安雨具有限公司 Integrated equipment is decided with cloth transmission to raincoat production
CN113389039B (en) * 2021-04-23 2023-05-12 安徽甬安雨具有限公司 Cloth transmission cutting integrated equipment for raincoat production

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130724

Termination date: 20160227

CF01 Termination of patent right due to non-payment of annual fee