CN105755682A - Tatami plate sewing machine - Google Patents
Tatami plate sewing machine Download PDFInfo
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- CN105755682A CN105755682A CN201610191797.7A CN201610191797A CN105755682A CN 105755682 A CN105755682 A CN 105755682A CN 201610191797 A CN201610191797 A CN 201610191797A CN 105755682 A CN105755682 A CN 105755682A
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- thickness
- mattress
- leading screw
- motor
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B11/00—Machines for sewing quilts or mattresses
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a tatami plate sewing machine, relates to mattress production equipment, and particularly relates to a plate sewing machine for producing tatami. The tatami plate sewing machine comprises at least two pairs of feeding rollers (10), at least one pair of pressing rollers (20) and a sewing portion (30). The feeding rollers (10) are mounted on a framework via feeding bearings; the pressing rollers (20) are mounted on the framework via pressing bearings; the sewing portion (30) is positioned among the feeding rollers (10) and the pressing rollers (20) and can move along the up-down direction of the framework by the aid of moving portions; the pressing rollers (20) can move along the up-down direction of the framework by the aid of compressing portions (40). The tatami plate sewing machine has the advantages of simple structure, low cost and simplicity and convenience in operation.
Description
Technical field
The present invention relates to a kind of mattress production equipment, particularly relate to a kind of seam trigger for producing tatami.
Background technology
Tatami mattress is the bedding that Yamato uses, and its saving space, the comfortable feature of sleeping sense are also subject to the welcome of the China masses widely.
Tradition tatami mattress includes upper, middle and lower-ranking structure, its upper and lower two-layer is generally the micro-doughnut round with three-dimensional crimp of low melting point double-component core-skin, namely upper and lower two-layer is cloth, and its middle level is generally low melting point double-component core-skin fibre and coconut fibre, and namely middle level is pad.
When producing tatami mattress, it is necessary to by the pad of bilevel cloth Yu intermediate layer is sewed together, to ensure that pad does not have the phenomenon of dislocation.
In the operation of sewing tatami, it is necessary to upper and lower two layers of cloth is assembled to pad, Qi Zhongshang, in lower three layers be the material of material volume pull-out, its length is all higher than the length of single mattress；Being subsequently placed on roller and be sent to sewing portion, be then sent to compression unit again, thus tatami being pressed into suitable thickness, finally, the mattress compressed being cut along its length.
But, when compression unit works, according to applicable thickness reduction mattress, therefore single machine cannot meet the compression requirement of the mattress compressing multi-thickness.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of tatami seam trigger that a kind of simple in construction, cost are low, easy and simple to handle.
One tatami of the present invention seam trigger, including
At least two pairs of feeding rollers, it is arranged in frame by charging bearing；
At least one pair of nip roller, it is arranged in frame by binder bearing；With
Sewing portion, it is between described feeding rollers and nip roller, and it is moved along described frame above-below direction by moving part；
Wherein, described nip roller is moved along described frame above-below direction by compression unit.
The present invention controls nip roller by compression unit and moves up and down, thus enabling the invention to compress the tatami mattress of different-thickness.
Preferably, described compression unit includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is coconut fibre, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller by the first screw structure, and coordinates formula one according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
Preferably, described compression unit includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is sponge, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula two to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller by the first screw structure, and coordinates formula two according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
Preferably, described compression unit includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is wood fibre plate, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller by the first screw structure, and coordinates formula three according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
Preferably, present invention additionally comprises correction portion, described correction portion includes
Two infrared offset sensors, it is separately positioned in the frame of both sides of described nip roller, two infrared offset sensors more than the width of mattress, when infrared offset sensor senses and has mattress immediately below it, generate shifted signal in the distance of the axial direction of nip roller；
Transverse shifting module, it is provided with the material volume of mattress by the 3rd bearing；With
Correction controls module, and it is connected with described infrared offset sensor, and it controls described transverse shifting module move towards the direction away from the infrared offset sensor sending shifted signal according to described shifted signal.
The present invention detects the skew situation of mattress by described infrared offset sensor, and controls its cloth roll and rectify a deviation, thus ensureing not offseting of mattress.
Preferably, described transverse shifting module includes
Material axle, it is for loaded material volume；
Bracing strut, it is connected with material axle by the 3rd bearing；
Second screw structure, it includes the second leading screw, the second nut, the second motor, and described second leading screw is horizontally set, second leading screw and described bracing strut are fixed, second leading screw and the second nut thread connect, and the output shaft of the second nut and the second motor is fixed, and the second motor and described frame are fixed.
Preferably, described correction controls module and controls the rotation number of turns β of the second electrode according to the side-play amount M of described shifted signal, formula four,
Wherein,
β is the number of turns that the second motor makes that the second nut rotates towards the direction away from the infrared offset sensor sending shifted signal；
Q is the pitch of the second leading screw；
M is the side-play amount of shifted signal；
N is the distance between two infrared offset sensors；
L is the width of mattress.
The present invention, when mattress produces side-play amount, has certain distance owing to controlling end and skew end, therefore controls end and need excessively to rectify a deviation at first 5 seconds, that is, correction amplitude is more than offset amplitude, then compensates correction after 5 seconds, that is, excessive correction is compensated, could full out, rectify a deviation most effectively.
One tatami of the present invention seam trigger difference from prior art is in that one tatami of the present invention seam trigger controls nip roller by compression unit and moves up and down, thus enabling the invention to compress the tatami mattress of different-thickness.
Below in conjunction with accompanying drawing, a kind of tatami of the present invention is stitched trigger to be described further.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of a kind of tatami seam trigger；
Fig. 2 is another axonometric drawing of a kind of tatami seam trigger.
Detailed description of the invention
As shown in Figure 1 and Figure 2, one tatami of the present invention seam trigger includes
At least two pairs of feeding rollers 10, it is arranged in frame by charging bearing；Wherein, each feeding rollers 10 in every pair of described feeding rollers 10 is arranged along the vertical direction.Having at least a feeding rollers 10 in every pair of feeding rollers 10 is active rotation；
At least one pair of nip roller 20, it is arranged in frame by binder bearing；Wherein, each nip roller 20 in every pair of nip roller 20 is arranged along the vertical direction, and, every pair of nip roller 20 is parallel with every pair of feeding rollers 10.Each nip roller 20 in every pair of nip roller 20 is all passive rotation；
Sewing portion 30, it is between described feeding rollers 10 and nip roller 20, and it is moved along described frame above-below direction by moving part；Wherein, the up and down motion along frame of the crank block structure, the pin in sewing portion 30 and the slide block in crank block are passed through in the both sides in sewing portion 30.
At least one nip roller 20 in the pair of nip roller 20 is moved along described frame above-below direction by compression unit 40.
Certainly, as a kind of optimal way, a pair nip roller 20 can move toward one another or opposing motion.
The present invention controls nip roller 20 by compression unit 40 and moves up and down, thus enabling the invention to compress the tatami mattress of different-thickness.
The present invention is applied to the compress mode of coconut fibre:
Wherein, described compression unit 40 includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller 20 is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed.
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared thickness measuring module is arranged on the surface of feeding rollers, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is coconut fibre, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller 20 by the first screw structure, and coordinates formula one according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
For formula one, owing to the elastically-deformable recovery capability of coconut fibre is relatively common.Therefore, as 0cm≤X-Y≤5cm, the distance that the thickness exceeded compresses downwards to be by nip roller: the thickness of 2 times of blocked up amount, namely recessed by convex change, subsequently the recycling product memory capacitance to elastic deformation, recovers to the actual (real) thickness close to preset thickness.
As 5cm≤X-Y, owing to the amount beyond preset thickness is excessive, the thickness exceeded to be compressed downwards to double blocked up thickness by nip roller, subsequently the recycling product memory capacitance to elastic deformation, recovers to the actual (real) thickness close to preset thickness.
Certainly, the present invention is applied to the compress mode of sponge and can be also:
Described compression unit 40 includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller 20 is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is sponge, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula two to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller 20 by the first screw structure, and coordinates formula two according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
For formula two, owing to the elastically-deformable recovery capability of sponge is stronger.Therefore, as 0cm≤X-Y≤2cm, the distance that the thickness exceeded compresses downwards to be by nip roller: the thickness of 2 times of blocked up amount, namely recessed by convex change, subsequently the recycling product memory capacitance to elastic deformation, recovers to the actual (real) thickness close to preset thickness.
As 2cm≤X-Y≤6cm, the distance that the thickness exceeded compresses downwards to be by nip roller: blocked up amount square thickness.Namely recessed by convex change, the recycling product memory capacitance to elastic deformation subsequently, recover to the actual (real) thickness close to preset thickness.
As 6cm≤X-Y, the distance that the thickness exceeded compresses downwards to be by nip roller: blocked up amount cube thickness.Namely recessed by convex change, the recycling product memory capacitance to elastic deformation subsequently, recover to the actual (real) thickness close to preset thickness.
Certainly, the present invention is applied to the compress mode of the fine plate of wood and can be also:
Described compression unit 40 includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller 20 is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is wood fibre plate, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
The present invention controls moving up and down of nip roller 20 by the first screw structure, and coordinates formula three according to different materials, thus realizing the implements spatial scalable compression to material.The material of mattress is different, and therefore, the rebound coefficient after its compression is different, adopts different compression factor according to substantial amounts of experiment is known under different threshold values, can ensure the mattress after compression to greatest extent, and the thickness after its bounce-back is close to preset thickness.
For formula three, owing to the elastically-deformable recovery capability of the fine plate of wood is comparatively poor, almost without recovery capability.Therefore, as 0cm≤X-Y≤2cm, the distance that the thickness exceeded compresses downwards to be by nip roller: the thickness of blocked up amount, is namely flattened by convex, the thickness that namely boil down to is preset.
As X-Y > 2cm, owing to the amount beyond preset thickness is excessive, the distance that the thickness exceeded compresses downwards to be by nip roller: the thickness of blocked up amount, namely recessed by convex change, recovers to preset thickness followed by its faint recovery capability.
Present invention additionally comprises correction portion, described correction portion includes
Two infrared offset sensors, it is separately positioned in the frame of both sides of described nip roller 20, two infrared offset sensors more than the width of mattress, when infrared offset sensor senses and has mattress immediately below it, generate shifted signal in the distance of the axial direction of nip roller 20；Wherein, two infrared offset sensors are connected with described frame each through flange；
Transverse shifting module, it is provided with the material volume of mattress by the 3rd bearing；With
Correction controls module, and it is connected with described infrared offset sensor, and it controls described transverse shifting module move towards the direction away from the infrared offset sensor sending shifted signal according to described shifted signal.
The present invention detects the skew situation of mattress by described infrared offset sensor, and controls its cloth roll and rectify a deviation, thus ensureing not offseting of mattress.
Wherein, described transverse shifting module includes
Material axle, it is for loaded material volume；
Bracing strut, it is connected with material axle by the 3rd bearing；
Second screw structure, it includes the second leading screw, the second nut, the second motor, and described second leading screw is horizontally set, second leading screw and described bracing strut are fixed, second leading screw and the second nut thread connect, and the output shaft of the second nut and the second motor is fixed, and the second motor and described frame are fixed.
The present invention makes material axle transverse shifting by the second screw structure, so that material volume is mobile, reaches the effect of correction.
Wherein, described correction controls module and controls the rotation number of turns β of the second electrode according to the side-play amount M of described shifted signal, formula four,
Wherein,
β is the number of turns that the second motor makes that the second nut rotates towards the direction away from the infrared offset sensor sending shifted signal；
Q is the pitch of the second leading screw；
M is the side-play amount of shifted signal；
N is the distance between two infrared offset sensors；
L is the width of mattress.
The present invention, when mattress produces side-play amount, has certain distance owing to controlling end and skew end, therefore controls end and need excessively to rectify a deviation at first 5 seconds, that is, correction amplitude is more than offset amplitude, then compensates correction after 5 seconds, that is, excessive correction is compensated, could full out, rectify a deviation most effectively.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.
Claims (7)
1. a tatami seam trigger, it is characterised in that: include
At least two pairs of feeding rollers (10), it is arranged in frame by charging bearing；
At least one pair of nip roller (20), it is arranged in frame by binder bearing；With
Sewing portion (30), it is positioned between described feeding rollers (10) and nip roller (20), and it is moved along described frame above-below direction by moving part；
Wherein, described nip roller (20) is moved along described frame above-below direction by compression unit (40).
2. a kind of tatami seam trigger according to claim 1, it is characterized in that: described compression unit (40) includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller (20) is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is coconut fibre, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Formula one:
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
3. a kind of tatami seam trigger according to claim 1, it is characterized in that: described compression unit (40) includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller (20) is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is sponge, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula two to control the first motor
Formula two:
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
4. a kind of tatami seam trigger according to claim 1, it is characterized in that: described compression unit (40) includes infrared thickness measuring module, compression control module, the first leading screw, the first nut, the first guide rail and the first motor, described nip roller (20) is arranged on the lower end of described first leading screw by compressing bearing, described first leading screw is moved along frame above-below direction by the first guide rail, described first leading screw and the first nut thread connect, the outfan of described first nut and the first motor is fixed, and described first motor and described frame are fixed；
Described infrared thickness measuring module is for detecting the thickness of mattress, infrared detection module is to described compression control module transfer thickness signal, when the material in the intermediate layer of mattress is wood fibre plate, described compression control module is according to the thickness X of described thickness signal, the default rotating cycle α needing the thickness Y of mattress of generation, formula one to control the first motor
Formula three:
Wherein,
α is the number of turns making the first nut rotate towards compression direction of the first motor；
P is the pitch of the first leading screw；
X is the thickness of the mattress that detection module detects；
Y is the thickness of the default mattress needing to generate.
5. a kind of tatami seam trigger according to claim 1-4 any one, it is characterised in that: also including correction portion, described correction portion includes
Two infrared offset sensors, it is separately positioned in the frame of both sides of described nip roller (20), two infrared offset sensors in the distance of the axial direction of nip roller (20) more than the width of mattress, when infrared offset sensor senses and has mattress immediately below it, generate shifted signal；
Transverse shifting module, it is provided with the material volume of mattress by the 3rd bearing；With
Correction controls module, and it is connected with described infrared offset sensor, and it controls described transverse shifting module move towards the direction away from the infrared offset sensor sending shifted signal according to described shifted signal.
6. a kind of tatami seam trigger according to claim 5, it is characterised in that: described transverse shifting module includes
Material axle, it is for loaded material volume；
Bracing strut, it is connected with material axle by the 3rd bearing；
Second screw structure, it includes the second leading screw, the second nut, the second motor, and described second leading screw is horizontally set, second leading screw and described bracing strut are fixed, second leading screw and the second nut thread connect, and the output shaft of the second nut and the second motor is fixed, and the second motor and described frame are fixed.
7. a kind of tatami seam trigger according to claim 6, it is characterised in that: described correction controls module and controls the rotation number of turns β of the second electrode according to the side-play amount M of described shifted signal, formula four,
Formula four:
Wherein,
β is the number of turns that the second motor makes that the second nut rotates towards the direction away from the infrared offset sensor sending shifted signal；
Q is the pitch of the second leading screw；
M is the side-play amount of shifted signal；
N is the distance between two infrared offset sensors；
L is the width of mattress.
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| CN201610191797.7A CN105755682B (en) | 2016-03-30 | 2016-03-30 | A kind of tatami seam trigger |
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| CN201610191797.7A CN105755682B (en) | 2016-03-30 | 2016-03-30 | A kind of tatami seam trigger |
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| CN105755682B CN105755682B (en) | 2018-11-27 |
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| CN112481840A (en) * | 2020-12-04 | 2021-03-12 | 安徽亿盈特纤新材料有限公司 | Automatic edge covering device for blanket cloth |
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| CN205617059U (en) * | 2016-03-30 | 2016-10-05 | 周保胜 | Tatami stitches trigger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106012315A (en) * | 2016-07-25 | 2016-10-12 | 天津天石休闲用品有限公司 | Automatic error correction multi-head quilting machine |
| CN112481840A (en) * | 2020-12-04 | 2021-03-12 | 安徽亿盈特纤新材料有限公司 | Automatic edge covering device for blanket cloth |
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