WO2017036198A1

WO2017036198A1 - Multilayer bagged spring string and manufacturing device and method thereof

Info

Publication number: WO2017036198A1
Application number: PCT/CN2016/083862
Authority: WO
Inventors: 谭治铭; 梁杰
Original assignee: 广州市联柔机械设备有限公司
Priority date: 2015-09-02
Filing date: 2016-05-30
Publication date: 2017-03-09
Also published as: CN105129716A; CN105129716B

Abstract

Disclosed is a multilayer bagged spring string, the manufacturing device comprising a spring guiding box (21), a compression rod component (22) and a push rod component (23). Conveying channels are formed in the spring guiding box (21), the compression rod component (22) acts to push at least two springs in a first direction into the corresponding conveying channels in the spring guiding box (21) and cause the springs compressed in a stepped interlaced state. The push rod component (23) acts to align the respective springs in the respective conveying channels on the same straight line, and push the respective springs in a second direction, away from the spring guiding box (21) and into accommodating cavities formed by fabric. Then sweat soldering is conducted in the accommodating cavities formed by the fabric, to form the multilayer bagged spring strings, which are then integrally-formed to obtain a multilayer bagged spring bed net. The structure of traditional multilayer spring bed net is discarded, bonding with a large amount of glue is not required, the production efficiency is effectively improved, and production cost saved. Also disclosed is a device and method for manufacturing the spring string.

Description

Multi-layer bagged spring string and manufacturing device and method thereof

Technical field

The invention relates to the technical field of production and processing of bagged springs, in particular to a multi-layer bag spring string and a manufacturing device and method thereof.

Background technique

The bagged spring is formed by encapsulating a single spring package in a bag, and each bag spring is connected in sequence to form a bag spring string, and the bag spring series is arranged and bonded to form a single layer bag spring bed net. In order to meet the difference in softness and hardness of the mattress, a bag spring bed net with two layers of structure is currently available. In the prior art, two separate single-layer bag spring bed nets are usually directly bonded by an adhesive. They are combined to form a two-layer pocket spring bed net. However, the conventional bonding method is used to form a multi-layered bag spring bed net, which has the defects of low production efficiency, large amount of bonding glue, high production cost, and the formation of the multi-layer bagged spring bed net structure has poor stability.

Summary of the invention

The technical problem to be solved by the present invention is to provide a novel multi-layered bag spring string and a manufacturing apparatus and method thereof.

A technical solution for the technical subject of a multi-layered bag spring string: a multi-layered bag spring string comprising a bag body integrally formed of cloth and a plurality of sets of springs wrapped in the bag body, each set of springs comprising At least two springs having at least two spaced parallel transverse seams to form at least two layers of receiving cavities, the pockets further having a plurality of spaced vertical seams to separate the receiving chambers into separate spaces The cavities, the spring stacks in each set of springs are individually wrapped in separate upper and lower adjacent cavities.

Further, the bag body is formed by folding and welding a single piece of cloth in a U shape. The springs of each set of springs have different hardnesses, and the spring with the lowest hardness is wrapped in the folded cavity of the cloth.

Further, the bag body is welded by the first cloth and the second cloth which are independent of each other.

The technical solution adopted by the technical subject of the multi-layered bag spring string manufacturing device: a multi-layered bag spring string manufacturing device, comprising a guide spring bag-in mechanism, the guide spring bag-in mechanism comprising a guide spring box body, a pressing rod assembly arranged to reciprocate in a first direction on a first side of the guiding spring case, and a push rod assembly arranged to reciprocate in a second direction adjacent to the second side of the guiding spring case, the guiding spring box being formed Having at least two conveying passages parallel to the second direction, the pressing rod assembly acts to advance at least two springs in a first direction into corresponding conveying passages in the guiding spring housing, the push rod assembly action will be located The springs in each of the conveying passages are pushed out of the guide spring case in the second direction.

Further, the first direction is perpendicular to the second direction.

Further, the pressing rod assembly comprises a stepped pressing block, and the stepped pressing block acts to be located in at least two spring-propelled spring boxes of the first side of the spring box, and the springs are in a staggered state. In the corresponding conveying channel inside the guide spring case.

Further, a middle portion of the stepped pressure block has a hollow gap, and the push rod assembly moves through the hollow gap of the stepped pressure block and pushes out the springs in a staggered state in the conveying passage.

Further, the push rod assembly includes a push block for pushing the spring to move in the second direction, and the middle portion of the push block has a hollow gap so that the push block can be respectively traversed from both sides of the stepped press block.

Further, a solder packaging mechanism is further included, the solder package mechanism includes a lateral horn and a vertical horn, and the lateral horn and the vertical horn are sequentially disposed on the opposite side of the guide spring case and the push rod assembly. On one side, the transverse horn operates to form at least two transverse seams on the two passing fabrics so that at least two layers of accommodating cavities are formed between the two fabrics, and the vertical horns work in two passes. Spaced vertical seams are formed in the block fabric to separate the continuous containment chambers.

The technical solution adopted by the technical subject of the multi-layered bag spring string manufacturing method: a multi-layered bag spring string manufacturing method, which provides a first cloth and a second cloth continuously conveyed in the second direction, in the first cloth Forming at least two lateral seams with one side of the second cloth to form at least two layers of receiving cavities, advancing at least two springs in a first direction and causing the springs to be in a staggered state in the first cloth and the second cloth On the other side, the springs are advanced in the second direction into the corresponding layer receiving cavities, and a vertical seam is formed between the first cloth and the second cloth to be located in the same layer receiving cavity The springs are separated independently.

Further, during the advancement of the spring in the first direction, the axis of the spring is parallel to the first direction.

The beneficial effect: the action of the pressure bar assembly in the multi-layer bag spring string manufacturing device compresses and pushes at least two springs in the first direction into the guide spring case body, and compresses the springs into a staggered state, and the push rod assembly moves again. The springs are aligned in the same straight line and are pushed out of the guide spring box body and into the respective accommodating cavities formed by the cloth, and then the accommodating chambers of the cloth are heat-welded to form a multi-layered bag spring string, and then the multi-layer bag is integrally formed. Spring bed net. Abandoning the structural form of the traditional multi-layer spring spring bed net, it does not need to use a large amount of glue bonding, effectively improving production efficiency and saving production cost.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

1 is a schematic structural view of an embodiment of a multi-layered bag spring string manufacturing apparatus according to the present invention;

2 is a schematic view showing the action of the pressure bar assembly of the guide spring bag insertion mechanism in the embodiment of the multi-layered bag spring string manufacturing device of the present invention;

3 is a schematic view showing the action of the push rod assembly of the guide spring bag insertion mechanism in the embodiment of the multi-layered bag spring string manufacturing device of the present invention;

4 is a schematic view of the push rod assembly push-out spring of the guide spring bag-in mechanism in the embodiment of the multi-layer bag spring string manufacturing device of the present invention;

5 is a schematic view showing a guide spring bag-into mechanism and a welding and packaging mechanism working together to form a multi-layered bag spring string in the embodiment of the multi-layered bag spring string manufacturing device of the present invention;

6 is a schematic structural view of another embodiment of a guide spring bag-in mechanism in a multi-layered bag spring string manufacturing apparatus according to the present invention;

Figure 7 is a schematic view showing a first embodiment of a lateral joint of a cloth by a welding and packaging mechanism in a multi-layered bag spring string manufacturing apparatus of the present invention;

Figure 8 is a schematic view showing a second embodiment of the welding and packaging mechanism forming a transverse seam of the cloth in the multi-layered bag spring string manufacturing apparatus of the present invention;

Figure 9 is a schematic illustration of an embodiment of a method of making a multi-layered pocket spring string of the present invention.

detailed description

1 to 6, a multi-layered bag spring string manufacturing apparatus of the present invention includes a frame, a spring conveying mechanism 10, a guide spring bagging mechanism 20, and a welding and packaging mechanism 30.

The spring conveying mechanism 10 continuously conveys the spring to the guiding spring bag-in mechanism 20 . Specifically, the spring conveying mechanism 10 includes a spring conveying belt 11 and a tray 12 arranged on the spring conveying belt 11 , wherein the adjacent trays 12 respectively Two kinds of springs are placed, that is, two different springs are placed on the two adjacent trays 12, and the spring conveyor belt 11 is operated to drive the tray 12 to move, so that one big and one small two different springs are moved to the guide springs. There are 20 bagging institutions.

The spring-loading bag mechanism 20 is configured to compress the two springs conveyed by the spring conveying mechanism 10 into the fabric. Specifically, the spring-loading bag-forming mechanism 20 includes a spring-loading box body 21, a pressing rod assembly 22, and a push rod assembly 23, The guide spring case 21 has a rectangular parallelepiped shape, and the three side end faces of the guide spring case 21 are formed with an open end. The press bar assembly 22 is located at the right end surface of the guide spring case 21 and is reciprocally movable in the first direction for the spring. Compressed into the guide spring case 21. The push rod assembly 23 is located at the rear end surface of the guide spring case 21 and is reciprocally movable in the second direction for pushing the spring out of the guide spring case 21, the first direction being perpendicular to the second direction. Among them, two large and one small springs placed adjacent to the two trays 12 will pass on the right side of the guide spring case 21.

The baffle member 211 is formed in the guide spring case 21 such that two conveying passages 212 of different widths are formed in the guide spring case 21, and the length of the baffle member 211 is about three thirds of the length of the entire guide spring case 21. Second, the lengths of the two conveying passages 212 are also different, wherein the conveying passage 212 has a direction parallel to the second direction.

The pressure bar assembly 22 includes a stepped pressure piece 221 that reciprocates in a first direction, and the stepped pressure piece 221 moves into the guide spring case 21 to synchronously compress and urge the two springs arranged on the right side of the guide spring case 21 In the guide spring case 21, the two springs are respectively abutted between the side wall of the conveying passage 212 and the stepped pressing block 221, and the two springs are arranged in a staggered state in the respective conveying passages 212 in a compressed state.

The push rod assembly 23 includes two push blocks 231, wherein the middle portion of the stepped press block 221 has a hollow gap, and the two push blocks 231 respectively enter the corresponding transport passage 212 and pass through the hollow gap of the stepped press block 221, and will be transported. Two staggered springs between the side wall of the passage 212 and the stepped pressure piece 221 are pushed in the second direction, so that the two springs are aligned in the same straight line before being pushed out of the guide spring case 21, that is, the direction in which the two springs are connected The first direction is parallel, the two push blocks 231 continue to push, and the two springs are simultaneously pushed out of the guide spring case 21.

Of course, the stepped pressure piece 221 may have no hollow gap, and is a stepped flat plate. The middle part of the push block 231 has a hollow gap, so that the push block 231 can move from the stepped press block 221 to the top and bottom respectively when moving in the second direction. The two sides straddle without causing interference with the stepped compact 221 .

The multi-layer bag spring string manufacturing device further includes a cloth conveying mechanism, wherein the cloth conveying mechanism can continuously convey the cloth in the second direction and wrap the cloth pair in a U-shaped fold over the guide spring case 21, wherein the U of the cloth The shaped opening faces the pressure bar assembly 22. The cloth conveying mechanism is a common mechanism in the prior art, and its main purpose is to provide two pieces of cloth which are attached to the lower side of the guide spring case 21.

The solder package mechanism 30 thermally fuses the cloth to form a bag. Specifically, the solder package mechanism 30 includes a lateral horn 31 and a vertical horn 32. The lateral horn 31 and the vertical horn 32 are sequentially disposed in the guide spring case 21 The front side is disposed on the opposite side of the guide spring case 21 and the push rod assembly 23, and the two pieces of cloth attached to the lower side of the guide spring case 21 are first subjected to hot-melt welding through the transverse horn 31. Then, the vertical welding head 32 is used for hot-melt welding. Referring to FIG. 7 and FIG. 8, when the cloth is folded in a U shape and wrapped around the guide spring case 21, the lateral horn 31 is two, and the middle portion and the edge portion of the cloth are respectively heat-welded to form two spaces. The transverse joints are such that the U-folded fabric constitutes two receiving cavities; when the fabric is two independent parallelly attached to the lower side of the guiding spring case 21, the lateral welding heads 31 are three, respectively for the cloth The middle portion and the two edge portions are heat-welded to form three spaced transverse seams, thereby also forming two receiving cavities, the transverse seams being oriented parallel to the second direction. After the transverse seam is formed, the two springs are pushed out by the push block 231 into the corresponding receiving chambers, and then the vertical horn 32 is operative to form a spaced vertical seam on the cloth to be pushed forward. Adjacent springs in the receiving chamber are separated independently.

Referring to Figure 9, the method for manufacturing a multi-layered pocket spring string of the present invention first provides a first fabric and a second fabric that are continuously conveyed in a second direction. The first fabric and the second fabric are formed by folding the fabric in a U-shape, the first fabric. And the second cloth are spaced apart from each other and parallel to each other, and the front side between the first cloth and the second cloth is hot-melt welded to form two transverse seams 1, and one transverse seam 1 is located in the middle of the first cloth and the second cloth The other transverse seam 1 is located at the edge portion of the first fabric and the second fabric, and the first fabric and the second fabric are joined together by two spaced transverse seams 1 to form two receiving chambers 2; The springs 4 are compressed in the first direction and advanced on the rear side between the first cloth and the second cloth. The two springs 4 are in a staggered state and correspond to the two receiving chambers 2, and then the two springs 4 are in the second direction. Advancing into the respective accommodating chambers 2; then heat-welding between the first cloth and the second cloth to form spaced vertical seams 3, separating the springs 4 located in the accommodating chamber 2 separately, thereby forming two Layered spring string.

Wherein, the heights of the two receiving cavities 2 formed by the two transverse seams 1 are not equal, and the two springs 4 which are compressed and pushed between the first cloth and the second cloth have different hardness, and the spring with lower hardness is wrapped in The fabric is folded into the cavity. The fabric folding chamber is formed when the fabric is a single piece and is formed by a U-fold. When the cloth is folded in half, the middle portion and the edge portion of the fabric are heat-welded to form two transverse seams, which naturally constitute two receiving cavities. The receiving chamber with only one transverse seam is the fabric folding chamber.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and can be made without departing from the spirit of the invention within the scope of the knowledge of those skilled in the art. Various changes.

Claims

A multi-layered bag spring string manufacturing method, characterized in that: a first cloth and a second cloth continuously conveyed in a second direction are provided, and at least two lateral directions are formed on one side between the first cloth and the second cloth a seam to form at least two layers of accommodating cavities, advancing at least two springs in a first direction and causing the springs to be staggered in a staggered state at the entrance of the accommodating chamber on the other side between the first fabric and the second fabric, the springs Advancing in the second direction into the corresponding layers of the receiving cavity, a spaced vertical seam is formed between the first cloth and the second cloth to separate the springs located in the same layer receiving cavity.
The method of manufacturing a multi-layered pocket spring string according to claim 1, wherein the axis of the spring is parallel to the first direction during the advancement of the spring in the first direction.
A multi-layered bag spring string manufacturing device, comprising: a guide spring bag-in mechanism, the guide spring bag-in mechanism comprising a guide spring case body, and reciprocating in a first direction on a first side of the guide spring case body a pressing rod assembly, and a push rod assembly disposed on the second side of the guiding spring box to reciprocate in a second direction, wherein the guiding spring housing is formed with at least two conveying passages parallel to the second direction, Actuating the pressure bar assembly to advance at least two springs in a first direction into corresponding conveying passages in the guide spring case, the push rod assembly action to push the springs located in the respective conveying channels out of the guide spring box in the second direction body.
The multi-layered bag spring string manufacturing apparatus according to claim 3, wherein the first direction is perpendicular to the second direction.
The multi-layered bag spring string manufacturing apparatus according to claim 3, wherein the pressing rod assembly comprises a stepped pressing block, and the stepped pressing block action is to be at least two on a first side of the guiding spring case. The springs are pushed into the inner casing of the guide spring, and the springs are in a staggered state in the corresponding conveying passages in the guide spring case.
The multi-layered bag spring string manufacturing apparatus according to claim 5, wherein a central portion of the stepped press block has a hollow gap, and the push rod assembly moves through the hollow gap of the stepped press block and is located The springs in the staggered state of the conveying passage are aligned and pushed out.
The multi-layered bag spring string manufacturing apparatus according to claim 5, wherein the push rod assembly comprises a push block for pushing the spring to move in the second direction, and the middle portion of the push block has a hollow gap so that the push block When moving, it can be traversed from both sides of the stepped compact.
A multi-layered bag spring string manufacturing apparatus according to claim 3, further comprising a welding package mechanism comprising a lateral horn and a vertical horn, said transverse horn and vertical The welding head is sequentially disposed on the other side of the guide spring case opposite to the push rod assembly, and the lateral welding head works to form at least two transverse joints on the two passing fabrics to form a structure between the two fabrics. At least two layers of receiving cavities, the vertical horns working to form spaced vertical seams on the passing two pieces of fabric to separate the continuous receiving chambers.
A multi-layered pocket spring string, characterized in that it is formed by the manufacturing method of claim 1, comprising a bag body integrally formed of cloth and a plurality of sets of springs wrapped in the bag body, each set of springs comprising at least two Springs having at least two spaced parallel transverse seams to form at least two layers of receiving cavities, the pockets further having a plurality of spaced vertical seams to separate the receiving cavities into separate cavities, The spring stacks in each set of springs are individually wrapped in separate upper and lower adjacent cavities.
The multi-layered pocket spring string according to claim 9, wherein the bag body is formed by folding and welding a single piece of cloth in a U shape.
The multi-layered bag spring string according to claim 9, wherein the bag body is welded by the first cloth and the second cloth which are independent of each other.
The multi-layered pocket spring string according to claim 9 or 10, wherein the springs of each of the sets of springs have different hardnesses, and the spring having the lowest hardness is wrapped in the fabric folding chamber.