CN110790214A - Bagged spring string production equipment and method - Google Patents
Bagged spring string production equipment and method Download PDFInfo
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- CN110790214A CN110790214A CN201911129937.8A CN201911129937A CN110790214A CN 110790214 A CN110790214 A CN 110790214A CN 201911129937 A CN201911129937 A CN 201911129937A CN 110790214 A CN110790214 A CN 110790214A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 180
- 239000004744 fabric Substances 0.000 claims abstract description 164
- 238000003466 welding Methods 0.000 claims description 31
- 238000005520 cutting process Methods 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
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Abstract
The invention discloses bagged spring string production equipment and a method, the bagged spring string production equipment comprises a first longitudinal sealing device, a second longitudinal sealing device and a first spring conveying device, the first spring conveying device and the second spring conveying device respectively convey a plurality of first springs to the first cloth bag in sequence and convey a plurality of second springs to the second cloth bag in sequence, the first transverse sealing device transversely seals the first cloth bag to seal the plurality of first springs in sequence in corresponding first bag chambers to form first bagged spring strings, and the second transverse sealing device transversely seals the second cloth bag to seal the plurality of second springs in sequence in corresponding second bag chambers to form second bagged spring strings. The production equipment has high efficiency of producing the bagged spring string.
Description
Technical Field
The invention relates to the technical field of spring manufacturing, in particular to bagged spring string production equipment and a bagged spring string production method.
Background
Pocketed springs are widely used for producing spring cores for mattresses and sofas, and strings of pocketed springs comprise a plurality of springs, which are respectively located in pocket chambers of a spring pocket that are spaced apart from each other. In the production of bagged spring strings, spring steel wires are made into helical springs by a coil spring machine, a cloth bag is formed by longitudinally sealing and welding (also called longitudinal seal cutting) non-woven fabrics, a plurality of springs are put into the cloth bag, and the springs in the bag are sealed in independent bag chambers by transversely sealing and welding (also called transverse seal cutting) to form a row of continuous spring strings (namely the bagged spring strings).
However, the production efficiency of the existing bagged spring string production equipment is not high, and the application of the bagged spring string production equipment is limited.
Disclosure of Invention
To this end, an aspect of the present invention provides a string production apparatus for pocketed springs, which can improve the production efficiency of strings of pocketed springs.
The invention also provides a production method of the bagged spring string.
A pocketed spring string production apparatus according to an embodiment of a first aspect of the invention comprises: the first longitudinal sealing device is used for sealing and welding non-woven fabrics along the longitudinal direction to form a cloth bag; a second longitudinal sealing device for cutting and seal-welding the cloth bag in the longitudinal direction to divide the cloth bag into a first cloth bag and a second cloth bag; the first spring conveying device is used for conveying a plurality of first springs into the first cloth bag in sequence; the second spring conveying device is used for conveying the second springs into the second cloth bag in sequence; the first transverse sealing device is used for sealing and welding the first cloth bag along the transverse direction between adjacent first springs in the first cloth bag so as to sequentially seal the first springs in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs; a second transverse sealing device for sealing and welding the second cloth bag along the transverse direction between adjacent second springs in the second cloth bag to sequentially seal the plurality of second springs in corresponding second bag chambers to form a second string of pocketed springs including a plurality of second pocketed springs.
According to the bagged spring string production equipment provided by the embodiment of the invention, the first longitudinal sealing device can form a cloth bag from non-woven fabrics, the second longitudinal sealing device can divide the cloth bag into a first cloth bag and a second cloth bag, the first spring conveying device can convey a plurality of first springs to the first cloth bag in sequence, the second spring conveying device can convey a plurality of second springs to the second cloth bag in sequence, the first transverse sealing device can seal and weld each first spring in the first cloth bag to form a first bagged spring to further form a first bagged spring string, and the second transverse sealing device can seal and weld each second spring in the second cloth bag to form a second bagged spring to further form a second bagged spring string, so that the production efficiency of the bagged spring string is improved.
In some embodiments, the first and second longitudinal seals are spaced apart in the cross direction, the first and second spring conveyors are arranged side-by-side in the cross direction, the second longitudinal seal is positioned between the first and second spring conveyors in the cross direction, and the first and second cross seals are arranged side-by-side in the cross direction.
In some embodiments, the first longitudinal sealing device comprises a first longitudinal sealing die head and a first longitudinal sealing welding knife, which are disposed opposite to each other in the transverse direction and are closable close to each other and openable away from each other.
In some embodiments, the second longitudinal sealing device comprises a first cutting knife, a second longitudinal sealing die head and a second longitudinal sealing welding knife, the first cutting knife is used for cutting the cloth bag into a first cloth bag and a second cloth bag;
the second longitudinal sealing die head and the second longitudinal sealing welding knife are arranged opposite to each other in a direction orthogonal to the longitudinal direction and the transverse direction and can be close to each other to be closed and can be far away from each other to be opened, and the second longitudinal sealing die head and the second longitudinal sealing welding knife are closed to connect the first cloth bag and the second cloth bag.
In some embodiments, the string of pocketed springs production apparatus further comprises a second cutting knife for disconnecting the first and second pockets from each other.
In some embodiments, each of the first and second traverse devices includes a traverse sealing die and a traverse sealing knife disposed opposite each other in a direction orthogonal to the traverse and the longitudinal directions and being closable close to each other and openable apart from each other.
In some embodiments, the first spring conveying device comprises a first conveying member and a second conveying member, the first conveying member and the second conveying member are opposite to each other and are arranged at intervals, and a first conveying channel for conveying the first spring is arranged between the first conveying member and the second conveying member; the second spring conveying device comprises a third conveying member and a fourth conveying member, the third conveying member and the fourth conveying member are opposite to each other and are arranged at intervals, and a second conveying channel for conveying the second spring is arranged between the third conveying member and the fourth conveying member.
In some embodiments, the first spring and the second spring are the same or different.
A pocketed spring string production method according to an embodiment of a second aspect of the invention comprises:
sealing and welding the non-woven fabric along the longitudinal direction to form a cloth bag;
cutting and sealing said cloth bag along said longitudinal direction to divide said cloth bag into a first cloth bag and a second cloth bag;
sequentially conveying a plurality of first springs into the first cloth bag;
sequentially conveying a plurality of second springs into the second cloth bag;
the first cloth bag is sealed and welded along the transverse direction so as to sequentially seal the first springs in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs;
welding the second pockets along the transverse seals to seal the plurality of second springs within corresponding second pocket chambers to form a second string of pocketed springs comprising a plurality of second pocketed springs.
According to the method for producing the bagged spring string, the non-woven fabric is formed into the cloth bag, the cloth bag is divided into the first cloth bag and the second cloth bag, the first springs are sequentially conveyed to the first cloth bag, the second springs are sequentially conveyed to the second cloth bag, each first spring in the first cloth bag is sealed and welded to form the first bagged spring string, and each second spring in the second cloth bag is sealed and welded to form the second bagged spring string, so that the production efficiency of the bagged spring string is improved.
In some embodiments, the transporting of the first spring into the first pocket and the transporting of the second spring into the second pocket are performed simultaneously.
In some embodiments, sealing the first pockets in the transverse direction to seal the first springs within the corresponding first pockets and sealing the second pockets in the transverse direction to seal the second springs within the corresponding second pockets are performed simultaneously.
In some embodiments, after one of the adjacent first springs is enclosed within the corresponding first pocket to form a first pocket spring, pulling the first pocket spring forward to enclose a next one of the adjacent first springs within the corresponding first pocket to form a next first pocket spring; after one of the adjacent second springs is enclosed within the corresponding second pocket to form a second pocket spring, the second pocket spring is pulled forward to enclose a next one of the adjacent second springs within the corresponding second pocket to form a next second pocket spring.
In some embodiments, when the first pocket and the second pocket are connected to each other such that the first pocket and the second pocket are connected to each other, the pocketed spring string production method further comprises: disconnecting a first and a second bag connected to each other
In some embodiments, the first spring and the second spring are the same or different.
Drawings
Fig. 1 is a schematic structural view of a pocketed spring string manufacturing apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic view of another angle of the pocketed spring string manufacturing apparatus of fig. 1.
Fig. 3 is a schematic structural view of a pocketed spring string manufacturing apparatus according to another embodiment of the present invention.
Fig. 4 is a schematic view of another angle of the pocketed spring string manufacturing apparatus of fig. 3.
Reference numerals:
the pocket spring string production equipment 100, a first longitudinal sealing device 11, a first longitudinal sealing die head 111, a second longitudinal sealing welding knife 112, a second longitudinal sealing device 12, a second longitudinal sealing die head 121, a first spring conveying device 21, a first conveying channel 210, a first conveying piece 211, a second conveying piece 212, a second spring conveying device 22, a second conveying channel 220, a third conveying piece 221, a fourth conveying piece 222, a first transverse sealing device 31, a second transverse sealing device 32, a transverse sealing die head 310, a transverse sealing welding knife 320, a second cutting knife 40,
spring 200, first spring 201, first pocketed spring 2010, second spring 202, second pocketed spring 2020,
a cloth bag 300, a first cloth bag 301 and a second cloth bag 302.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
A pocketed spring string manufacturing apparatus and a manufacturing method according to an embodiment of the present invention will be described below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, a pocketed spring string production apparatus 100 according to an embodiment of the present invention includes a first vertical sealing device 11, a second vertical sealing device 12, a first spring feeding device 21, a second spring feeding device 22, a first horizontal sealing device 31, and a second horizontal sealing device 32.
The first longitudinal sealing device 11 is used for sealing and welding the non-woven fabric along the longitudinal direction to form the cloth bag 300. As shown in fig. 1, the longitudinal direction is the front-back direction, and the first longitudinal sealing device 11 can seal and weld the non-woven fabric along the front-back direction to form the non-woven fabric into the cloth bag 300.
The second longitudinal sealing device 12 is used to cut and seal the cloth bag 300 in the longitudinal direction to divide the cloth bag 300 into a first cloth bag 301 and a second cloth bag 302. As shown in fig. 1, the second longitudinal sealing device 12 may cut and seal the cloth bag 300 in the front-rear direction to manufacture one cloth bag 300 into a first cloth bag 301 and a second cloth bag 302.
The first spring conveying device 21 is used for conveying a plurality of first springs 201 into the first cloth bag 301 in sequence. As shown in fig. 1, the first conveyor 21 sequentially conveys the plurality of first springs 201 into the first cloth bag 301 from the rear to the front. It is understood that the first spring conveying device 21 can convey the first spring 201 and the first longitudinal sealing device 11 can form the first nonwoven fabric into the first cloth bag 301 at the same time, or the first spring conveying device 21 can convey the first spring 201 after the first longitudinal sealing device 11 forms the first nonwoven fabric into the first cloth bag 301.
The second spring conveying device 22 is used for conveying a plurality of second springs 202 into the second cloth bag 302 in sequence. As shown in fig. 1, the second conveying device 22 conveys the plurality of second springs 202 into the second cloth bag 302 in sequence in the back-to-front direction. It is understood that the second spring conveying device 22 can convey the second spring 202 and the second vertical sealing device 12 can form the second non-woven fabric into the second cloth bag 302 at the same time, or the second spring conveying device 22 can convey the second spring 202 after the second vertical sealing device 12 forms the second non-woven fabric into the second cloth bag 302.
The first transverse sealing device 31 is used for transversely sealing and welding the first cloth bag 301 between adjacent first springs 201 in the first cloth bag 301 to sequentially seal the plurality of first springs 201 in the corresponding first bag chambers to form a first bagged spring string including a plurality of first bagged springs 2010. As shown in fig. 1, the transverse direction is a left-right direction, the plurality of first springs 201 in the first cloth bag 301 are arranged at intervals in a front-back direction, and the first transverse sealing device 31 welds the first cloth bag 301 in the left-right direction between every two adjacent first springs 201 in the first cloth bag 301, so as to seal each first spring 201 in the first cloth bag 301 in one first bag chamber to form a first bagged spring 2010, thereby forming a first bagged spring string including the plurality of first bagged springs 2010.
The second cross sealing device 32 is used for transversely sealing and welding the second cloth bag 302 between adjacent second springs 202 in the second cloth bag 302 to sequentially seal the plurality of second springs 202 in the corresponding second cloth bag chambers to form a second pocketed spring string including a plurality of second pocketed springs 2020. As shown in fig. 1, the plurality of second springs 202 in the second cloth bag 302 are arranged at intervals in the front-rear direction, and the second cross sealing device 32 seals the second cloth bag 302 between every two adjacent second springs 202 in the second cloth bag 302 in the left-right direction, so as to seal each second spring 202 in the second cloth bag 302 in one second pocket to form a second pocket spring 2020, thereby forming a second pocket spring string including a plurality of second pocket springs 2020.
According to the string production equipment 100 for the pocketed springs of the embodiment of the invention, the first longitudinal sealing device 11 may form the non-woven fabric into the cloth bag 300, the second longitudinal sealing device 12 may form the cloth bag 300 into the first cloth bag 301 and the second cloth bag 302, the first spring conveying device 21 may convey the plurality of first springs 201 to the first cloth bag 301 in sequence, the second spring conveying device 22 may convey the plurality of second springs 202 to the second cloth bag 302 in sequence, the first transverse sealing device 31 may seal and weld each first spring 201 in the first cloth bag 301 to form a first pocketed spring 2010 and further form a first string of the pocketed springs, and the second transverse sealing device 32 may seal and weld each second spring 202 in the second cloth bag 302 to form a second pocketed spring 2020 and further form a second string of the pocketed springs, thereby improving the production efficiency of the string of the pocketed springs.
In some embodiments, the first longitudinal sealing device 11 and the second longitudinal sealing device 12 are arranged laterally spaced apart. As shown in fig. 1 to 4, the first longitudinal sealing device 11 and the second longitudinal sealing device 12 are spaced apart in the left-right direction to avoid interference with each other when they are operated.
Specifically, the first spring conveyor 21 and the second spring conveyor 22 are arranged side by side in the lateral direction. As shown in fig. 1 to 4, the first spring conveyor 21 and the second spring conveyor 22 are arranged at intervals in the left-right direction.
Further, the second longitudinal sealing device 12 is located between the first spring conveyor 21 and the second spring conveyor 22 in the transverse direction. As shown in fig. 1 to 4, the first spring conveying device 21 and the second spring conveying device 22 are arranged and spaced from left to right in sequence, and the second longitudinal sealing device 12 is located between the first spring conveying device 21 and the second spring conveying device 22 to form the cloth bag 300 into a first cloth bag 301 and a second cloth bag 302.
Further, the first cross sealer 31 and the second cross sealer 32 are arranged side by side in the lateral direction. As shown in fig. 1 to 4, the first cross sealing device 31 and the second cross sealing device 32 are arranged at intervals in the left-right direction.
The first horizontal sealing device 31 is located downstream of the first vertical sealing device 11 and the second vertical sealing device 12 in the direction of conveying the first spring 201 (in the figure, the first horizontal sealing device 31 is located in front of the first vertical sealing device 11 and the second vertical sealing device 12). The second horizontal sealing device 32 is located downstream of the first vertical sealing device 11 and the second vertical sealing device 12 in the direction of conveying the second spring 202 (the second horizontal sealing device 32 is located in front of the first vertical sealing device 11 and the second vertical sealing device 12 in the drawing).
In some embodiments, the first longitudinal sealing device 11 includes a first longitudinal sealing die head 111 and a first longitudinal sealing knife 112, the first longitudinal sealing die head 111 and the first longitudinal sealing knife 112 being disposed opposite to each other in the transverse direction or the direction orthogonal to the longitudinal direction and the transverse direction and being closable close to each other and openable apart from each other.
As shown in fig. 1 and 2, the first longitudinal sealing device 11 is located above the first spring conveying device 31 or the second spring conveying device 32, the first longitudinal sealing die head 111 and the first longitudinal sealing welding knife 112 are arranged oppositely in the left-right direction, and the first longitudinal sealing die head 111 and the first longitudinal sealing welding knife 112 can be close to seal the non-woven fabric into a cloth bag in the front-back direction and can be far away to open the non-woven fabric to allow the non-woven fabric to be pulled forward.
It is to be understood that the positional relationship between the first longitudinal sealing die head 111 and the first longitudinal sealing blade 112 is not limited thereto, for example, as shown in fig. 3 and 4, the first longitudinal sealing device 11 is located on the side of the first spring conveying device 21 away from the second spring conveying device 22 (the first longitudinal sealing device 11 is located on the left side of the first spring conveying device 21), or on the side of the second spring conveying device 22 away from the first spring conveying device 21 (the first vertical sealing device 11 is located on the right side of the second spring conveying device 22), the up-down direction is orthogonal to the left-right direction and the front-back direction, the first vertical sealing die head 111 and the first vertical sealing welding knife 112 are oppositely arranged in the up-down direction, and the first longitudinal sealing die head 111 and the first longitudinal sealing knife 112 may be closed to seal the nonwoven fabric in the front-rear direction to form the cloth bag 300, and may be opened to allow the nonwoven fabric to be pulled forward.
In some embodiments, the second longitudinal sealing device 12 includes a first cutting blade (not shown), a second longitudinal sealing die head 121, and a second longitudinal sealing welding blade (not shown). The first cutting knife is used for cutting the cloth bag 300 into a first cloth bag 301 and a second cloth bag 302.
The second longitudinal sealing die 121 and the second longitudinal sealing knife are disposed opposite to each other in a direction orthogonal to the longitudinal direction and the transverse direction and are closable close to each other and openable apart from each other, and the second longitudinal sealing die 121 and the second longitudinal sealing knife are closable to connect the first cloth bag 301 and the second cloth bag 302. As shown in fig. 2 and 4, the up-down direction is orthogonal to the left-right direction and the front-back direction, the second longitudinal sealing die head 121 and the second longitudinal sealing knife are arranged opposite to each other in the up-down direction, and the second longitudinal sealing die head 121 and the second longitudinal sealing knife can be closed to seal the cut of the first cloth bag 301 and the cut of the second cloth bag 301 and seal the first cloth bag 301 and the second cloth bag 302 together, and can be opened to allow the nonwoven fabric to be pulled forward.
Specifically, as shown in fig. 1-4, the second longitudinal sealing die head 121 is located above the cloth bag 300, the second longitudinal sealing knife is located below the cloth bag 300, and the first cutting knife is disposed on the second longitudinal sealing knife.
In some specific embodiments, the string of pocketed springs producing apparatus 100 further comprises a second cutting knife 40, the second cutting knife 40 for disconnecting the first pocket and the second pocket connected to each other. It will be appreciated that to ensure that the first and second pockets 301, 302 are separated to obtain a first and second string of pocketed springs, a second cutting blade 40 may be provided downstream (forward as shown in the figures) of the first and second cross seals 31, 32 to separate the first and second pockets from each other.
In some embodiments, each of the first and second cross sealing devices 31 and 32 includes a cross sealing die 310 and a cross sealing knife 320, the cross sealing die 310 and the cross sealing knife 320 being disposed opposite to each other in a direction orthogonal to the transverse direction and the longitudinal direction and being movable toward each other to be closed and away from each other to be opened. As shown in fig. 2 and 4, the up-down direction is orthogonal to the left-right direction and the front-back direction, the first transverse sealing device 31 and the second transverse sealing device 32 each include a transverse sealing die head 310 and a transverse sealing knife 320, the transverse sealing die head 310 and the transverse sealing knife 320 are oppositely arranged in the up-down direction, and the transverse sealing die head 310 and the transverse sealing knife 320 can be close to seal and weld the cloth bag in the left-right direction to form the first pocket spring and can be far away to open to allow the cloth bag to be pulled forward.
Specifically, the transverse sealing die 310 and the transverse sealing knife 320 of the first transverse sealing device 31 and the second transverse sealing device 32 are arranged oppositely in the up-down direction, and the transverse sealing knife 320 is located above the transverse sealing die 310. As shown in fig. 1-4, the cross sealing die 310 is positioned above the nonwoven and the cross sealing blade 320 is positioned below the nonwoven.
In some specific embodiments, the cross sealing die 310 and the cross sealing knife 320 of the second cross sealing device 32 are close to each other while the cross sealing die 310 and the cross sealing knife 320 of the first cross sealing device 31 are close to each other; the transverse sealing die 310 and the transverse sealing knife 320 of the first transverse sealing device 31 are far away from each other, while the transverse sealing die 310 and the transverse sealing knife 320 of the second transverse sealing device 32 are far away from each other.
In some embodiments, the first spring conveying device 21 includes a first conveying member 211 and a second conveying member 212, the first conveying member 211 and the second conveying member 212 are arranged opposite to each other and spaced apart, and a first conveying channel 210 for conveying the first spring 201 is provided between the first conveying member 211 and the second conveying member 212. As shown in fig. 2 and 4, the first spring feeding device 21 includes a first feeding member 211 and a second feeding member 212 arranged opposite to each other in the left-right direction, the first feeding member 211 and the second feeding member 212 are spaced apart in the left-right direction to form a first feeding path 210 therebetween, and a plurality of first springs 201 are located in the first feeding path 210 and are sequentially fed into the first cloth bag 301 through the first feeding path 210. In other words, the plurality of first springs 201 are sandwiched between the first and second conveying members 211 and 212 to be sequentially conveyed into the first cloth bag 301.
The second spring conveying device 22 includes a third conveying member 221 and a fourth conveying member 222, the third conveying member 221 and the fourth conveying member 222 are arranged opposite to each other and spaced apart, and a second conveying passage 220 for conveying the second spring 202 is provided between the third conveying member 221 and the fourth conveying member 222. As shown in fig. 2 and 4, the first spring feeding device 21 includes a third feeding member 221 and a fourth feeding member 222 which are oppositely arranged in the left-right direction, the third feeding member 221 and the fourth feeding member 222 are spaced apart in the left-right direction to form a second feeding path 220 therebetween, and the plurality of second springs 202 are located in the second feeding path 220 and are sequentially fed into the second cloth bag 302 through the second feeding path 220. In other words, the plurality of second springs 202 are clamped between the third and fourth transferring members 221 and 222 to be sequentially transferred into the second cloth bag 302.
Specifically, first conveying member 211, second conveying member 212, third conveying member 221 and fourth conveying member 222 are all annular conveying members, i.e., flexible conveying members, and the flexible conveying members may be tensioned by a support or a tensioning wheel, as is well known to those skilled in the art.
In some embodiments, the first spring 201 and the second spring 202 are the same or different. In other words, the string production apparatus 100 can simultaneously produce the same string of pocketed springs, and can also simultaneously produce different strings of pocketed springs.
It is understood that the springs may be the same or different, may have the same or different stiffness, may have the same or different type of spring, may have the same or different shape and structure, and the like.
A method of producing a pocketed spring string according to an embodiment of the invention is described below with reference to fig. 1-4.
As shown in fig. 1-4, a pocketed spring string production method according to an embodiment of the present invention includes:
sealing the non-woven fabric in the longitudinal direction to form the cloth bag 300, as shown in fig. 1 to 4, sealing the non-woven fabric in the front-rear direction to form the cloth bag 300;
cutting and sealing the cloth bag 300 in a longitudinal direction to divide the cloth bag 300 into a first cloth bag 301 and a second cloth bag 302, as shown in fig. 1 to 4, cutting and sealing the cloth bag 300 in a front-rear direction to form the first cloth bag 301 and the second cloth bag 302;
conveying the plurality of first springs 201 into the first cloth bag 301 in sequence, as shown in fig. 1-4, conveying the plurality of first springs 201 into the first cloth bag 301 in sequence from the back to the front;
conveying the plurality of second springs 202 into the second cloth bag 302 in sequence, as shown in fig. 1-4, conveying the plurality of second springs 202 into the second cloth bag 302 in sequence from the back to the front;
the first cloth bag 301 is sealed and welded along the transverse direction to sequentially seal the plurality of first springs 201 in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs 2010, as shown in fig. 1, the first cloth bag 301 is sealed and welded along the left-right direction to seal each first spring 201 in the first cloth bag 301 in the corresponding first bag chamber to form a first bagged spring 2010, and the plurality of first springs 201 are sealed in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs 2010;
the second pocket 302 is sealed and welded in the transverse direction to enclose the plurality of second springs 202 in the corresponding second pocket to form a second string of pocketed springs including a plurality of second pocketed springs 2020, as shown in fig. 1, the second pocket 302 is sealed and welded in the left-right direction to enclose each second spring 202 in the second pocket 302 in the corresponding second pocket to form a second pocketed spring 2020, and the plurality of second springs 202 are all enclosed behind the corresponding second pocket to form a second string of pocketed springs including a plurality of second pocketed springs 2020.
According to the method for producing the string of pocketed springs of the embodiment of the invention, the non-woven fabric is formed into the cloth bag 300, the cloth bag 300 is formed into the first cloth bag 301 and the second cloth bag 302, the first springs 201 are sequentially conveyed to the first cloth bag 301, the second springs 202 are sequentially conveyed to the second cloth bag 302, each first spring 201 in the first cloth bag 301 is sealed and welded to form the first pocketed spring 2010 to form the first string of pocketed springs, and each second spring 202 in the second cloth bag 302 is sealed and welded to form the second pocketed spring 2020 to form the second string of pocketed springs, so that the production efficiency of the string of pocketed springs is improved.
In some embodiments, the sequential feeding of the plurality of first springs 201 into the first cloth bag 301 and the sequential feeding of the plurality of second springs 202 into the second cloth bag 302 are performed simultaneously. As shown in fig. 1-4, the conveyance of the first spring 201 into the first cloth bag 301 and the conveyance of the second spring 202 into the second cloth bag 302 from the back-to-front direction are performed simultaneously.
In some embodiments, the transverse sealing of the first pockets 301 to enclose the first springs 201 within the corresponding first pockets and the transverse sealing of the second pockets 302 to enclose the second springs 202 within the corresponding second pockets are performed simultaneously. As shown in fig. 1 to 4, the sealing of the first cloth bag 301 in the left-right direction to seal the first springs 201 in the corresponding first bag chambers and the sealing of the second cloth bag 302 in the left-right direction to seal the second springs 202 in the second bag chambers are performed simultaneously. In other words, forming the first pocketed spring 2010 and forming the second pocketed spring 2020 occur simultaneously.
Further, forming the first string of pocketed springs and forming the second string of pocketed springs are performed simultaneously.
In some embodiments, after one of the adjacent first springs 201 is enclosed within the corresponding first pocket to form a first pocketed spring 2010, the first pocketed spring 2010 is pulled forward to enclose the next of the adjacent first springs 201 within the corresponding first pocket to form the next first pocketed spring 2010.
After one of the adjacent second springs 202 is enclosed within the corresponding second pocket to form a second pocket spring 2020, the second pocket spring 2020 is pulled forward to enclose the next one of the adjacent second springs 202 within the corresponding second pocket to form the next second pocket spring 2020.
In some embodiments, the first spring 201 and the second spring 202 are the same or different. In other words, the bagged spring string production method can simultaneously produce the same bagged spring string and can also simultaneously produce different bagged spring strings.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (14)
1. A string of pocketed springs production apparatus, comprising:
the first longitudinal sealing device is used for sealing and welding non-woven fabrics along the longitudinal direction to form a cloth bag;
a second longitudinal sealing device for cutting and seal-welding the cloth bag in the longitudinal direction to divide the cloth bag into a first cloth bag and a second cloth bag;
the first spring conveying device is used for conveying a plurality of first springs into the first cloth bag in sequence;
the second spring conveying device is used for conveying the second springs into the second cloth bag in sequence;
the first transverse sealing device is used for sealing and welding the first cloth bag along the transverse direction between adjacent first springs in the first cloth bag so as to sequentially seal the first springs in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs;
a second transverse sealing device for sealing and welding the second cloth bag along the transverse direction between adjacent second springs in the second cloth bag to sequentially seal the plurality of second springs in corresponding second bag chambers to form a second string of pocketed springs including a plurality of second pocketed springs.
2. The string production apparatus according to claim 1, wherein said first and second vertical seals are spaced apart in said transverse direction, said first and second spring conveyors are arranged side-by-side in said transverse direction, said second vertical seal is located between said first and second spring conveyors in said transverse direction, and said first and second horizontal seals are arranged side-by-side in said transverse direction.
3. The string of pocketed springs production apparatus of claim 1, wherein the first longitudinal sealing device comprises a first longitudinal sealing die head and a first longitudinal sealing knife disposed opposite to each other in the transverse direction or a direction orthogonal to the longitudinal direction and the transverse direction and being closable close to each other and openable apart from each other.
4. The string of pocketed springs production apparatus of claim 1, wherein the second longitudinal sealing device comprises a first cutting knife, a second longitudinal sealing die head, and a second longitudinal sealing welding knife, the first cutting knife for cutting the cloth bag into a first cloth bag and a second cloth bag;
the second longitudinal sealing die head and the second longitudinal sealing welding knife are arranged opposite to each other in a direction orthogonal to the longitudinal direction and the transverse direction and can be close to each other to be closed and can be far away from each other to be opened, and the second longitudinal sealing die head and the second longitudinal sealing welding knife are closed to connect the first cloth bag and the second cloth bag.
5. The string of pocketed springs production apparatus of claim 4, further comprising a second cutting knife for disconnecting the first pocket and the second pocket from each other.
6. The string of pocketed springs production apparatus of claim 1, wherein each of said first and second traverse devices comprises a traverse die and a traverse welding knife disposed opposite to each other in a direction orthogonal to said traverse and said longitudinal directions and being closable close to each other and openable apart from each other.
7. The string production apparatus according to claim 1, wherein the first spring conveying device comprises a first conveying member and a second conveying member, the first conveying member and the second conveying member being arranged opposite to each other and spaced apart, and a first conveying passage for conveying the first spring being provided between the first conveying member and the second conveying member;
the second spring conveying device comprises a third conveying member and a fourth conveying member, the third conveying member and the fourth conveying member are opposite to each other and are arranged at intervals, and a second conveying channel for conveying the second spring is arranged between the third conveying member and the fourth conveying member.
8. The string production apparatus according to any one of claims 1 to 7, wherein the first spring and the second spring are the same or different.
9. A method of producing a string of pocketed springs, comprising:
sealing and welding the non-woven fabric along the longitudinal direction to form a cloth bag;
cutting and sealing said cloth bag along said longitudinal direction to divide said cloth bag into a first cloth bag and a second cloth bag;
sequentially conveying a plurality of first springs into the first cloth bag;
sequentially conveying a plurality of second springs into the second cloth bag;
the first cloth bag is sealed and welded along the transverse direction so as to sequentially seal the first springs in the corresponding first bag chambers to form a first bagged spring string comprising a plurality of first bagged springs;
welding the second pockets along the transverse seals to seal the plurality of second springs within corresponding second pocket chambers to form a second string of pocketed springs comprising a plurality of second pocketed springs.
10. The string of pocketed springs of claim 9, wherein said transporting a plurality of first springs into a first pocket in sequence and said transporting a plurality of second springs into a second pocket in sequence are performed simultaneously.
11. The string of pocketed springs of claim 9, wherein the sealing of the first pockets in the transverse direction to seal the first springs in the corresponding first pockets and the sealing of the second pockets in the transverse direction to seal the second springs in the corresponding second pockets are performed simultaneously.
12. The string of pocketed springs of claim 9, wherein after one of the adjacent first springs is enclosed within the corresponding first pocket to form a first pocketed spring, pulling the first pocketed spring forward to enclose a next one of the adjacent first springs within the corresponding first pocket to form a next first pocketed spring;
after one of the adjacent second springs is enclosed within the corresponding second pocket to form a second pocket spring, the second pocket spring is pulled forward to enclose a next one of the adjacent second springs within the corresponding second pocket to form a next second pocket spring.
13. The string of pocketed springs of claim 9, wherein, when the first pocket and the second pocket are connected to each other such that the first pocket and the second pocket are connected to each other, the string of pocketed springs further comprises: the first and second pockets connected to each other are disconnected.
14. The method of producing a string of pocketed springs according to any one of claims 9-13, wherein the first spring and the second spring are the same or different.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129937.8A CN110790214A (en) | 2019-11-18 | 2019-11-18 | Bagged spring string production equipment and method |
| PCT/CN2020/083081 WO2021098120A1 (en) | 2019-11-18 | 2020-04-02 | Bagged spring string production apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129937.8A CN110790214A (en) | 2019-11-18 | 2019-11-18 | Bagged spring string production equipment and method |
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| CN110790214A true CN110790214A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911129937.8A Pending CN110790214A (en) | 2019-11-18 | 2019-11-18 | Bagged spring string production equipment and method |
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Cited By (1)
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| WO2021098120A1 (en) * | 2019-11-18 | 2021-05-27 | 浙江华剑智能装备股份有限公司 | Bagged spring string production apparatus and method |
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