CN201317015Y - Trimming device - Google Patents

Trimming device Download PDF

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Publication number
CN201317015Y
CN201317015Y CNU2008202047638U CN200820204763U CN201317015Y CN 201317015 Y CN201317015 Y CN 201317015Y CN U2008202047638 U CNU2008202047638 U CN U2008202047638U CN 200820204763 U CN200820204763 U CN 200820204763U CN 201317015 Y CN201317015 Y CN 201317015Y
Authority
CN
China
Prior art keywords
pedestal
cylinder
trimming
disc
cutter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2008202047638U
Other languages
Chinese (zh)
Inventor
罗庆青
章俊波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Dacheng Technology Co., LTD
Original Assignee
GUANGDONG DESIGNER MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GUANGDONG DESIGNER MACHINERY CO Ltd filed Critical GUANGDONG DESIGNER MACHINERY CO Ltd
Priority to CNU2008202047638U priority Critical patent/CN201317015Y/en
Application granted granted Critical
Publication of CN201317015Y publication Critical patent/CN201317015Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a trimming device, which is characterized by comprising an upper cutting knife, a lower disc cutting knife, and a pressing-in mechanism for controlling the upper and the lower disc cutting knives to be mutually pressed in or separated. The pressing-in mechanism comprises an upper tool post and a lower tool post; the upper disc cutting knife can be rotatably arranged on the upper tool post; and so is the lower disc cutting knife on the lower tool post. Preferably, the pressing-in mechanism also comprises a base which is provided with an air cylinder; the lower tool post is arranged on a cylinder rod of the air cylinder; the base is provided with a lifting drive mechanism for driving the upper tool post to move up and down; and the lifting drive mechanism is connected with the upper tool post. During cutting sheets, the trimming device can keep the cutter position stable, not produce the cutter relieving phenomenon, ensure that the sheet cutting position is neat and has no corrugation, effectively avoid the phenomena of burr, bending, turning over and the like of the sheets after the leftover is cut off, ensure the quality, and be favorable for normal operation of subsequent rolling work of the sheets. In addition, the service life of the upper and the lower disc cutting knives is relatively long.

Description

A kind of trimming device
Technical field
The utility model relates to a kind of trimming device that is used on the sheet production line.
Background technology
The extrusion sheet machine is by the die head extrusion sheet, and the sheet material both sides of extruding tend to occur phenomenons such as waste material is piled up, crooked, wrinkling and flange, so before the rolling sheet material, need excise the unnecessary rim charge in sheet material both sides by trimming device.
Traditional trimming device generally adopts blade type cutting knife excision rim charge, and its operation principle is: when needs excision rim charge, at first cutting knife is pressed and is worn sheet material, and cutter location is fixed then; Sheet material moves under the traction of the draw-gear of being located at the wrap-up front, is cut by cutting knife during through cutting knife, and the unnecessary rim charge in its both sides is cut.But development along with the extrusion sheet industry, the sheet forming linear velocity is increasing, sheet thickness is also increasing, therefore above-mentioned traditional trimming device is when the cutting sheet material, tend to occur blade cutter relieving phenomenon, cause the sheet material of excision behind the rim charge to occur phenomenons such as burr, bending and flange easily, the sheet material quality is caused adverse effect, and be unfavorable for follow-up sheet material rolling work.In addition, in whole side cut process, cutting knife uses certain position cutting sheet material always, and other position then contact with sheet material, and the service life of shortening cutting knife is very easily damaged at the position that causes being used on the cutting knife cutting sheet material like this.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of trimming device that is applicable to the rim charge of the sheet material that excises different form wire speed and different-thickness.The technical scheme that adopts is as follows:
A kind of trimming device, it is characterized in that comprising disc cutter, lower disc cutting knife and be used to control disc cutter and laminating mechanism that the lower disc cutting knife is laminated or separates, laminating mechanism comprises upper cutter head and following tool rest, last disc cutter is installed in rotation on the upper cutter head, and the lower disc cutting knife is installed in rotation on down on the tool rest.
The effect of above-mentioned laminating mechanism is: before excision sheet material rim charge, disc cutter and lower disc cutting knife are separated from each other, this moment, sheet material can pass through between last disc cutter and lower disc cutting knife; In the time of need excising the work of sheet material rim charge, make disc cutter and lower disc cutting knife, wear sheet material and begin to excise the sheet material rim charge thereby press mutually near also pressing; Finish after the work of excision sheet material rim charge, disc cutter and lower disc cutting knife are separated from each other.
Preferred above-mentioned laminating mechanism also comprises pedestal, and pedestal is provided with the machine control reversal valve of cylinder and control cylinder action, and the cylinder along continuous straight runs is provided with, and the cylinder body of cylinder is fixedly mounted on the pedestal, and following tool rest is installed on the piston rod of cylinder; Pedestal is provided with and is used to drive the lift drive mechanism that upper cutter head moves up and down, and lift drive mechanism is connected with upper cutter head, the lower end of upper cutter head and machine control reversal valve corresponding matching.For upper cutter head can be moved up and down exactly, also be provided with the guide rail that moves towards and match up and down on the preferred said base with upper cutter head.When upper cutter head moved downward, last disc cutter moved downward, and when upper cutter head was run into machine control reversal valve, the piston rod of cylinder stretched out, and released the lower disc cutting knife, and the lower disc cutting knife cooperates with last disc cutter and presses and wear sheet material; When upper cutter head moved upward, last disc cutter moved upward, and this moment, upper cutter head and machine control reversal valve broke away from, and the piston rod of cylinder shrinks, and regains the lower disc cutting knife.When higher and/or sheet thickness is thicker when sheet forming speed, manpower often is difficult to press wear sheet material, and above-mentioned laminating mechanism adopts and goes up mode that disc cutter and lower disc cutting knife relatively move and press and wear sheet material, more laborsaving when feasible pressure is worn sheet material, and can avoid disc cutter and lower disc cutting knife to collide mutually and damage blade.
For the piston rod that makes above-mentioned cylinder can stretch out or shrink reposefully, preferred said base is provided with the guide cylinder that cooperates with the piston rod of cylinder, and the piston rod of cylinder is located in the guide cylinder.
Disc cutter and last disc cutter collide mutually and damage blade for the piston rod that further prevents cylinder stretches out at present, preferred said base is provided with position-limit mechanism, position-limit mechanism comprises spacing screw rod and stop nut, spacing screw rod is fixedly mounted on the pedestal and with the piston rod of cylinder and parallels, stop nut and spacing screw engages, the position of stop nut is corresponding with the end of cylinder piston rod.By the rotary spacing nut, can change the total length of stop nut and spacing screw rod.Before excision sheet material rim charge, stop nut is adjusted to correct position; When the piston rod of cylinder stretched out, its end was with after stop nut contacts, and stop nut no longer moves forward the piston rod of cylinder, thereby makes the lower disc cutting knife stop at desired location.
In a kind of concrete scheme, above-mentioned lift drive mechanism comprises clamp, connecting rod and compression spring; Pedestal is provided with the guide post of trend up and down, and upper cutter head is provided with guide pin bushing, and guide post is located in the guide pin bushing; The compression spring housing is connected on the guide post, and its upper end contacts with guide pin bushing lower end or upper cutter head, and its lower end contacts with pedestal; Clamp front end and pedestal are hinged, and the middle part of connecting rod one end and clamp is hinged, and the connecting rod other end and upper cutter head are hinged.
Preferred above-mentioned going up on the upper and lower disc cutter of disc cutter all is equipped with heating plate, makes disc cutter and lower disc cutting knife have higher temperature, can make the effect of excision sheet material rim charge better like this.
In a kind of concrete scheme, last disc cutter is provided with installing hole, and the inwall of this installing hole is connected with upper cutter head by bearing, thereby disc cutter is installed in rotation on the upper cutter head; The lower disc cutting knife is provided with installing hole, and the inwall of this installing hole is connected with following tool rest by bearing, thereby the lower disc cutting knife is installed in rotation on down on the tool rest.
For the ease of adjusting the position of going up disc cutter and lower disc cutting knife in the trimming device, to be fit to the different in width sheet material, and the inclined to one side limit problem that exists when solving sheet forming, preferred above-mentioned trimming device also comprises position adjusting mechanism, position adjusting mechanism comprises base, screw rod and handwheel, base is provided with two horizontal guide rails that are parallel to each other, and screw rod is installed in rotation on the base and is parallel with horizontal guide rail, and handwheel is fixedlyed connected with an end of screw rod; Pedestal is on the horizontal guide rail, and pedestal is provided with nut and two guiding pressing plates, and wherein nut is meshed with screw rod, and two guiding pressing plates cooperate with two horizontal guide rails respectively.When rotating handwheel, screw rod moves along screw rod along with rotating and drive nut, moves along guide rail thereby drive pedestal, makes the position of disc cutter and lower disc cutting knife obtain adjusting.
Sheet material keeps smooth better when excising the sheet material rim charge in order to make, preferred above-mentioned trimming device also comprises guide card mechanism, guide card mechanism comprises two support rollers, and one of them supports the front that roller is located at laminating mechanism, and another supports the back that roller is located at laminating mechanism.Two support rollers can support sheet, keeps smooth when making sheet material be sent to disc cutter and lower disc cutting knife.
During the utility model excision sheet material rim charge, draw-gear drive sheet material by the trimming device back moves, last disc cutter and lower disc cutting knife are all without power drive, but rotation under the drive of sheet material, by last disc cutter and the rotation of lower disc cutting knife to rolling motion, thereby cut-out sheet material, excision sheet material rim charge, cutter location keeps stable when cutting off sheet material, the cutter relieving phenomenon can not occur, the sheet cutting place is smooth, wrinkle resistant, burr appears in the sheet material that can effectively avoid excising behind the rim charge, phenomenon such as bending and flange, guarantee the sheet material quality, and help normally carrying out of follow-up sheet material rolling work.In addition, during excision sheet material rim charge, each position of each position of last disc cutter outer rim blade and lower disc cutting knife outer rim blade is cutting blade material in turn all, the service life of disc cutter and lower disc cutting knife on can prolonging like this.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the right view of Fig. 1;
Fig. 3 goes up the structural representation that disc cutter cooperates with the lower disc cutting knife when being excision sheet material rim charge.
The specific embodiment
As depicted in figs. 1 and 2, this trimming device comprises disc cutter 1, lower disc cutting knife 2, laminating mechanism, position adjusting mechanism and guide card mechanism.
Laminating mechanism comprises pedestal 3, upper cutter head 4 and following tool rest 5.
With reference to figure 3, last disc cutter 1 is provided with installing hole 28, and the inwall of this installing hole 28 is connected with upper cutter head 4 by bearing 6, thereby disc cutter 1 is installed in rotation on the upper cutter head 4.Lower disc cutting knife 2 is provided with installing hole 29, and the inwall of this installing hole 29 is connected with following tool rest 5 by bearing 7, thereby lower disc cutting knife 2 is installed in rotation on down on the tool rest 5.
On the last disc cutter 1 heating plate 8 is installed; Heating plate 9 is installed on the lower disc cutting knife 2.
Pedestal 3 is provided with the machine control reversal valve 11 of cylinder 10 and control cylinder 10 actions, cylinder 10 along continuous straight runs settings, and the cylinder body 101 of cylinder 10 is fixedly mounted on the pedestal 3, and following tool rest 5 is installed on the piston rod 102 of cylinder 10; Pedestal 3 is provided with the guide cylinder 12 that cooperates with the piston rod 102 of cylinder 10, and the piston rod 102 of cylinder 10 is located in the guide cylinder 12.Pedestal 3 is provided with position-limit mechanism, position-limit mechanism comprises spacing screw rod 13 and stop nut 14, spacing screw rod 13 is fixedly mounted on the pedestal 3 and with the piston rod 102 of cylinder 10 and parallels, stop nut 14 and spacing screw rod 13 engagements, the position of stop nut 14 is corresponding with the end of cylinder piston rod 102.
Pedestal 3 is provided with and is used to drive the lift drive mechanism that upper cutter head 4 moves up and down, and lift drive mechanism comprises clamp 15, connecting rod 16 and compression spring 17; Pedestal 3 is provided with the guide post 18 of trend up and down, and upper cutter head 4 is provided with guide pin bushing 19, and guide post 18 is located in the guide pin bushing 19; Compression spring 17 is socketed on the guide post 18, the following end in contact of its upper end and guide pin bushing 19, and its lower end contacts with pedestal 3; Clamp 15 front ends and pedestal 3 are hinged, and the middle part of connecting rod 16 1 ends and clamp 15 is hinged, and connecting rod 16 other ends and upper cutter head 4 are hinged.The lower end of upper cutter head 4 and machine control reversal valve 11 corresponding matching.Also be provided with the guide rail 20 that moves towards and match up and down on the pedestal 3 with upper cutter head 4.
Position adjusting mechanism comprises base 21, screw rod 22 and handwheel 23, and base 21 is provided with two horizontal guide rails that are parallel to each other 24, and screw rod 22 is installed in rotation on the base 21 and is parallel with horizontal guide rail 24, and handwheel 23 is fixedlyed connected with an end of screw rod 22; Pedestal 3 is on the horizontal guide rail 24, and pedestal 3 is provided with nut 25 and two guiding pressing plates 26, and wherein nut 25 is meshed with screw rod 22, and two guiding pressing plates 26 cooperate with two horizontal guide rails 24 respectively.
Guide card mechanism comprises two support rollers 27, and one of them supports the front that roller 27 is located at laminating mechanism, and another supports the back that roller 27 is located at laminating mechanism.
Brief description is the operation principle of this trimming device once:
Before the excision sheet material rim charge, according to sheet width, adjust the position of going up disc cutter 1 and lower disc cutting knife 2 if desired, then rotate handwheel 23, screw rod 22 moves along screw rod 22 along with rotating and drive nut 25, move along horizontal guide rail 24 thereby drive pedestal 3, make the position that disc cutter 1 and lower disc cutting knife 2 move to be needed.Simultaneously, as required,, stop nut 14 is adjusted to correct position by rotary spacing nut 14.
The sheet material of being extruded by extrusion sheet machine die head passes through between last disc cutter 1 and the lower disc cutting knife 2, and is supported and flattened by two support rollers 27, after the draw-gear traction, by the wrap-up rolling.
After the normal extrusion sheet of extrusion sheet machine die head, depress clamp 15 rear ends, connecting rod 16 drives upper cutter head 4 and moves downward, last disc cutter 1 moves downward, when upper cutter head 4 is run into machine control reversal valve 11, the piston rod 102 of cylinder 10 stretches out, release lower disc cutting knife 2, the end of the piston rod 102 of cylinder 10 is with after stop nut 14 contacts, stop nut 14 no longer moves forward the piston rod 102 of cylinder 10, thereby make lower disc cutting knife 2 stop at desired location, lower disc cutting knife 2 cooperates with last disc cutter 1 and presses and wear sheet material at this moment, lower disc cutting knife 2 and last disc cutter 1 pressing, but the sheared edge 30 (upward leaving minim gap between the stitching surface of disc cutter 1 and lower disc cutting knife 2) that a feed material enters formed between last disc cutter 1 and the lower disc cutting knife 2, begin to excise the sheet material rim charge.Clamp 15, connecting rod 16 and compression spring 17 match at this moment, the locking position of upper cutter head 4 (is supposed that the connecting rod 16 and the pin joint of upper cutter head 4 are A, connecting rod 16 is B with the pin joint at clamp 15 middle parts, the pin joint of clamp 15 front ends and pedestal 3 is C, then when the B point is crossed the line that A point and C order, under the effect of compression spring 17, the position of upper cutter head 4 is locked).
Under the drive of draw-gear, sheet material enters sheared edge 30 and drives goes up disc cutter 1 and 2 rotations of lower disc cutting knife, by last disc cutter 1 and 2 rotations of lower disc cutting knife to rolling motion, thereby cut off sheet material, excision sheet material rim charge.
In the time of need stopping to excise the sheet material rim charge, cocked clamp 15 rear ends, when the B point when other direction is crossed the line that A point and C order, under the effect of compression spring 17, upper cutter head 4 moves upward, and last disc cutter 1 is along with moving upward, this moment, upper cutter head 4 broke away from machine control reversal valve 11, the piston rod 102 of cylinder 10 shrinks, and regains lower disc cutting knife 2, thereby disc cutter 1 and lower disc cutting knife 2 are separated from each other.

Claims (10)

1, a kind of trimming device, it is characterized in that comprising disc cutter, lower disc cutting knife and be used to control disc cutter and laminating mechanism that the lower disc cutting knife is laminated or separates, laminating mechanism comprises upper cutter head and following tool rest, last disc cutter is installed in rotation on the upper cutter head, and the lower disc cutting knife is installed in rotation on down on the tool rest.
2, trimming device according to claim 1, it is characterized in that: described laminating mechanism also comprises pedestal, pedestal is provided with the machine control reversal valve of cylinder and control cylinder action, the cylinder along continuous straight runs is provided with, the cylinder body of cylinder is fixedly mounted on the pedestal, and following tool rest is installed on the piston rod of cylinder; Pedestal is provided with and is used to drive the lift drive mechanism that upper cutter head moves up and down, and lift drive mechanism is connected with upper cutter head, the lower end of upper cutter head and machine control reversal valve corresponding matching.
3, trimming device according to claim 2 is characterized in that: also be provided with the guide rail that moves towards and match with upper cutter head up and down on the described pedestal.
4, trimming device according to claim 2 is characterized in that: described pedestal is provided with the guide cylinder that cooperates with the piston rod of cylinder, and the piston rod of cylinder is located in the guide cylinder.
5, trimming device according to claim 2, it is characterized in that: described pedestal is provided with position-limit mechanism, position-limit mechanism comprises spacing screw rod and stop nut, spacing screw rod is fixedly mounted on the pedestal and with the piston rod of cylinder and parallels, stop nut and spacing screw engages, the position of stop nut is corresponding with the end of cylinder piston rod.
6, trimming device according to claim 2 is characterized in that: described lift drive mechanism comprises clamp, connecting rod and compression spring; Pedestal is provided with the guide post of trend up and down, and upper cutter head is provided with guide pin bushing, and guide post is located in the guide pin bushing; The compression spring housing is connected on the guide post, and its upper end contacts with guide pin bushing lower end or upper cutter head, and its lower end contacts with pedestal; Clamp front end and pedestal are hinged, and the middle part of connecting rod one end and clamp is hinged, and the connecting rod other end and upper cutter head are hinged.
7, according to each described trimming device of claim 1-6, it is characterized in that: described going up on the upper and lower disc cutter of disc cutter all is equipped with heating plate.
8, according to each described trimming device of claim 1-6, it is characterized in that: the described disc cutter of going up is provided with installing hole, and the inwall of this installing hole is connected with upper cutter head by bearing; The lower disc cutting knife is provided with installing hole, and the inwall of this installing hole is connected with following tool rest by bearing.
9, according to each described trimming device of claim 1-6, it is characterized in that: described trimming device also comprises position adjusting mechanism, position adjusting mechanism comprises base, screw rod and handwheel, base is provided with two horizontal guide rails that are parallel to each other, screw rod is installed in rotation on the base and is parallel with horizontal guide rail, and handwheel is fixedlyed connected with an end of screw rod; Pedestal is on the horizontal guide rail, and pedestal is provided with nut and two guiding pressing plates, and wherein nut is meshed with screw rod, and two guiding pressing plates cooperate with two horizontal guide rails respectively.
10, according to each described trimming device of claim 1-6, it is characterized in that: described trimming device also comprises guide card mechanism, guide card mechanism comprises two support rollers, and one of them supports the front that roller is located at laminating mechanism, and another supports the back that roller is located at laminating mechanism.
CNU2008202047638U 2008-12-08 2008-12-08 Trimming device Expired - Lifetime CN201317015Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNU2008202047638U CN201317015Y (en) 2008-12-08 2008-12-08 Trimming device

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804482A (en) * 2010-03-08 2010-08-18 北方工业大学 Variable width disc shearing machine
CN102808314A (en) * 2012-08-27 2012-12-05 台州东海塑料品制造有限公司 Automatic edge cutter of textilene mesh fabric setting machine
CN103395653A (en) * 2013-08-12 2013-11-20 广东达诚机械有限公司 Sheet side distributing mechanism with side pressing function
CN103770136A (en) * 2014-01-29 2014-05-07 吴忠市恒通塑料制品有限公司 Plastic pallet multifunctional trimming machine
CN104440981A (en) * 2014-12-12 2015-03-25 柳州市志菱汽车配件有限公司 Automatic cutting device and cutting process
CN106217426A (en) * 2016-08-09 2016-12-14 苏州阿特斯阳光电力科技有限公司 Laminated compenent automatic chamfered edge device
CN107627345A (en) * 2017-09-17 2018-01-26 王影 A kind of cutting edge equipment of skirting
CN109176676A (en) * 2018-07-11 2019-01-11 杨传平 A kind of nonwoven production trimming device being convenient for position adjusting
CN109849094A (en) * 2018-12-21 2019-06-07 广州通泽机械有限公司 Component and adjusting method are cut in a kind of bilateral steer side of the online list of paper material
CN110924126A (en) * 2019-12-16 2020-03-27 江苏新亚特纺织科技有限公司 Cutting device for textile fabric
CN110924129A (en) * 2019-12-13 2020-03-27 九江市冰能量服饰织造有限公司 Intelligent side cut equipment is used in clothes processing

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804482A (en) * 2010-03-08 2010-08-18 北方工业大学 Variable width disc shearing machine
CN102808314A (en) * 2012-08-27 2012-12-05 台州东海塑料品制造有限公司 Automatic edge cutter of textilene mesh fabric setting machine
CN102808314B (en) * 2012-08-27 2014-11-12 台州东海塑料品制造有限公司 Automatic edge cutter of textilene mesh fabric setting machine
CN103395653B (en) * 2013-08-12 2016-05-04 广东达诚技术股份有限公司 There is the sheet material rim-dividing machine structure of flanging function
CN103395653A (en) * 2013-08-12 2013-11-20 广东达诚机械有限公司 Sheet side distributing mechanism with side pressing function
CN103770136A (en) * 2014-01-29 2014-05-07 吴忠市恒通塑料制品有限公司 Plastic pallet multifunctional trimming machine
CN104440981A (en) * 2014-12-12 2015-03-25 柳州市志菱汽车配件有限公司 Automatic cutting device and cutting process
CN106217426B (en) * 2016-08-09 2019-07-09 苏州阿特斯阳光电力科技有限公司 The automatic chamfered edge device of laminated compenent
CN106217426A (en) * 2016-08-09 2016-12-14 苏州阿特斯阳光电力科技有限公司 Laminated compenent automatic chamfered edge device
CN107627345A (en) * 2017-09-17 2018-01-26 王影 A kind of cutting edge equipment of skirting
CN109176676A (en) * 2018-07-11 2019-01-11 杨传平 A kind of nonwoven production trimming device being convenient for position adjusting
CN109176676B (en) * 2018-07-11 2020-07-07 温州恒基包装有限公司 Edge cutting device is used in non-woven fabrics production convenient to carry out position control
CN109849094A (en) * 2018-12-21 2019-06-07 广州通泽机械有限公司 Component and adjusting method are cut in a kind of bilateral steer side of the online list of paper material
CN110924129A (en) * 2019-12-13 2020-03-27 九江市冰能量服饰织造有限公司 Intelligent side cut equipment is used in clothes processing
CN110924129B (en) * 2019-12-13 2021-08-10 九江市冰能量服饰织造有限公司 Intelligent side cut equipment is used in clothes processing
CN110924126A (en) * 2019-12-16 2020-03-27 江苏新亚特纺织科技有限公司 Cutting device for textile fabric

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Address after: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28

Patentee after: Guangdong Dacheng Technology Co., LTD

Address before: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28

Patentee before: Guangdong Designer Machinery Co., Ltd.

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Granted publication date: 20090930

CX01 Expiry of patent term