WO2023040441A1 - Manufacturing device and manufacturing method for pocketed spring string having soft cushion layer - Google Patents

Abstract

Disclosed in the present invention are a manufacturing device and manufacturing method for a pocketed spring string having a soft cushion layer, wherein the manufacturing device comprises a first encapsulation mechanism, a filling mechanism, a spring delivery mechanism, and a second encapsulation mechanism; fabric is welded by a first welding assembly of the first encapsulation mechanism to form first weld seams; the first weld seams separate the fabric to form soft material regions that encapsulate soft materials and a spring pocketing region that encapsulates springs; the soft material regions are filled with the soft materials by means of the filling mechanism; the springs are delivered to the spring pocketing region by means of the spring delivery mechanism; the second encapsulation mechanism welds the fabric to form second weld seams; and the springs are encapsulated at intervals in the spring pocketing region. Pocketed spring strings having soft cushion layers are integrally manufactured by the manufacturing device, such that labor costs can be reduced, the integrity of the soft material regions and the spring pocketing region is ensured, and the soft material regions are not displaced or detached even after long-term use. The present invention is used in the field of pocketed spring mattress production and manufacture.

Description

Equipment and method for manufacturing pocket spring string with soft cushion technical field

The invention relates to the production field of pocket spring mattresses, in particular to a manufacturing equipment and a manufacturing method of pocket spring strings with a soft cushion layer.

Background technique

Pocket springs are formed by wrapping a single spring in a cloth bag, and each pocket spring is connected in turn to form a pocket spring string, and the pocket spring strings are arranged and bonded to form a whole to form a pocket spring mattress. In the related art, in order to improve the comfort of the pocket spring mattress, an additional layer of soft materials such as sponge and foam is usually laid on the top of the pocket spring mattress, and the soft material layer and the pocket spring mattress are bonded with glue form one. This manufacturing process has the following defects: one, the process is complicated, more processes are needed to lay the soft material layer, and the labor cost is high; two, the pocket spring mattress of this kind of structure, due to the actual The above is a separate design, which affects the integrity of the mattress structure through glue bonding; 3. After long-term use, the soft material layer is easy to shift, detach or even tear, which affects the service life of the mattress; 4. A large amount of glue is required , not environmentally friendly, and increase production costs.

Contents of the invention

The object of the present invention is to solve at least one of the technical problems in the prior art, and provide a manufacturing equipment and method for pocket spring strings with soft cushions, which can integrally manufacture pocket spring strings with soft cushions.

According to the embodiment of the first aspect of the present invention, there is provided a kind of manufacturing equipment of pocket spring string with soft pad, comprising:

At least one first packaging mechanism, the first packaging mechanism includes a first welding assembly, the first welding assembly is used to weld the cloth to form a first welding seam, and the first welding seam is arranged longitudinally to separate the cloth from forming The soft material area and the spring pocket area, the longitudinal direction is parallel to the conveying direction of the cloth;

At least one filling mechanism, the filling mechanism is used to deliver soft material to the soft material area, so as to fill the soft material area;

at least one spring delivery mechanism for delivering springs to the spring pocketing area; and

The second packaging mechanism is used to weld the cloth to form a second weld seam, and a plurality of the second weld seams separate the springs in the spring pocket area to form a plurality of pocket springs; wherein,

The first packaging mechanism and the filling mechanism are arranged on at least one side of the spring delivery mechanism, and the second packaging mechanism is arranged downstream of the spring delivery mechanism.

The above-mentioned manufacturing equipment for pocket spring strings with a soft cushion layer has at least the following beneficial effects: the first welding seam is formed by welding the cloth through the first packaging mechanism, and the first welding seam separates the cloth to form a soft material area for encapsulating soft materials and encapsulating springs The soft material is filled into the soft material area through the filling mechanism, and the soft material area is equivalent to the soft cushion layer, and the spring is transported to the spring bag area by the spring conveying mechanism, and the second packaging mechanism welds the cloth to form the second welding A plurality of second welding seams separate the spring bagging area to form a plurality of pocket springs, and a plurality of pocket springs are connected to form a pocket spring string, and a plurality of pocket spring strings are spliced to form a pocket spring mattress. Compared with the existing technology of manual laying and glue bonding, the integrated production of pocket spring strings with soft cushions can reduce labor costs and ensure the integrity of the soft material area and spring bagging area for a long time. After use, the soft material area will not be displaced or detached.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the first packaging mechanism further includes a second welding assembly, and the second welding assembly is used to weld the cloth to form a third Welding seams, a plurality of third welding seams separates the soft material area to form a plurality of soft material small pieces.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the second welding assembly includes a first welding knife and two second welding knives that cooperate with each other to weld the cloth, The first welding knife is arranged opposite to the two second welding knives, and the two second welding knives are arranged at intervals to form a gap for cloth to pass through, and the two second welding knives are respectively connected to the two second welding knives. The weld seam formed by the cooperation of the first welding knife with welding is on the same straight line.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the second welding assembly further includes a connecting seat and a guide, and between the first welding knife and the connecting seat, And the second welding knife is connected to the connecting seat through guides, so that the first welding knife and the second welding knife can move relative to each other along the straight line where the guides are located.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the filling mechanism includes a filling channel and a material pushing assembly, the filling channel is connected to the soft material area, the The pushing component is used to push the soft material in the filling channel to the soft material area.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the pusher assembly includes a screw conveying rod or a pusher arranged in the filling channel.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the pusher assembly includes a pusher and a storage cylinder that is slidably connected with the filling channel, and the storage cylinder It is used to store a certain amount of soft material and move to a predetermined position in the filling channel to dock with the soft material area, and the pusher is used to push the soft material in the storage barrel to the soft material area.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the filling mechanism further includes a material storage channel and a soft material delivery mechanism, and the material storage channel communicates with the filling channel , the soft material delivery mechanism is used to deliver the soft material in the storage channel to the filling channel.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the soft material conveying mechanism includes two second conveying belts arranged opposite to each other at intervals, and the two second conveying belts It is arranged in the storage channel, and the soft material is conveyed between the two second conveyor belts.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the filling mechanism includes a feeding port, and the feeding port communicates directly or indirectly with the filling channel, and the filling mechanism includes: A hopper is arranged outside the feeding port, and the hopper is used for feeding soft materials.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the bottom of the hopper has a discharge port, and the discharge port is set corresponding to the feed port of the filling mechanism , at the position of the discharge port, there are two oppositely arranged third conveyor belts, and the two third conveyor belts are arranged in a V shape.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the filling mechanism includes a feeding port, and the feeding port communicates directly or indirectly with the filling channel, and the filling mechanism includes: The material inlet is connected with a material suction device, and the material suction device is used to suck the soft material and deliver the soft material to the filling mechanism.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the second packaging mechanism includes a set of third welding assemblies, and the third welding assemblies are arranged laterally on the spring Downstream of the conveying mechanism.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the second packaging mechanism includes a rotating mechanism and two sets of third welding assemblies, between which two sets of third welding assemblies are used For fixing the spring, the rotation mechanism is used to drive the third welding assembly to rotate a predetermined angle, so as to drive the spring to rotate a predetermined angle and weld to form the second inclined welding seam.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the rotating mechanism includes a rack and a gear that cooperate with each other, and the two third welding assemblies are respectively fixedly connected to one of the said gear, the movement of said rack can drive the two said gears to rotate in the same direction by a predetermined angle.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the rotating mechanism includes a connecting rod transmission assembly, and the connecting rod transmission assembly includes a first transmission member and a second transmission member and a push rod, the first transmission part is fixedly connected with the third welding assembly and hinged on the same shaft, the first transmission part and the second transmission part are rotatably connected, and the push rod is used to push the The second transmission member moves to drive the first transmission member and the third welding assembly to rotate.

According to the manufacturing equipment for pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the manufacturing equipment includes a driving mechanism, and the driving mechanism is used after the third welding assembly clamps and welds the cloth , driving at least the third welding assembly to move or swing downstream, thereby driving the cloth conveying.

According to the manufacturing equipment of pocket spring strings with a soft cushion layer according to the embodiment of the first aspect of the present invention, the manufacturing equipment further includes an edge sealing mechanism, and the edge sealing mechanism is used for edge sealing and welding of cloth folded in half.

According to the second embodiment of the present invention, there is provided a method for manufacturing a string of pocket springs with a soft cushion, using the above-mentioned manufacturing equipment to manufacture a string of pocket springs with a soft cushion, including the following steps:

Fold the cloth in half and wrap it on the filling mechanism and/or the spring conveying mechanism;

The first welding assembly of the first packaging mechanism welds the cloth to form the first weld, and the first weld separates the cloth to form a soft material area and a spring pocket area;

The filling mechanism transports the soft material to the soft material area to fill the soft material area;

The spring conveying mechanism conveys springs to the spring bagging area;

The second packing mechanism welds the cloth to form a second weld, and then packs the spring to form a pocket spring, and a plurality of pocket springs are connected to form a pocket spring string.

According to the method for manufacturing pocket spring strings with soft pads according to the embodiment of the second aspect of the present invention, the soft material regions are welded at intervals to form a plurality of small pieces of soft material.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further described;

Fig. 1 is the structural schematic diagram of the manufacturing equipment of the embodiment of the present invention manufactures upright bilateral integral type pocket spring string;

Fig. 2 is a structural schematic diagram of the manufacturing equipment of the embodiment of the present invention to manufacture upright bilateral integral pocket spring strings, wherein the internal structure of the pocket spring strings is shown;

Fig. 3 is the structural schematic diagram of the manufacturing equipment of the embodiment of the present invention manufactures upright double-sided zoned pocket spring string;

Fig. 4 is a structural schematic diagram of the manufacturing equipment of the embodiment of the present invention to manufacture upright bilateral partitioned pocket spring strings, wherein the internal structure of the pocket spring strings is shown;

Fig. 5 is a structural schematic diagram of a manufacturing equipment for manufacturing inclined bilateral partitioned pocket spring strings according to an embodiment of the present invention, wherein the internal structure of the pocket spring strings is shown;

Fig. 6 is a schematic structural view of the manufacturing equipment for manufacturing inclined unilateral partitioned pocket spring strings according to an embodiment of the present invention, wherein the internal structure of the pocket spring strings is shown;

Fig. 7 is a structural schematic diagram of a filling mechanism according to an embodiment of the present invention, wherein the pusher component adopts a screw conveying rod;

Fig. 8 is a structural schematic diagram of the filling mechanism of the embodiment of the present invention, wherein the pusher component adopts a pusher;

Fig. 9 is a structural schematic diagram of a filling mechanism according to an embodiment of the present invention, wherein the pusher assembly adopts a pusher and a storage barrel;

Fig. 10 is a schematic structural view of the filling mechanism of the embodiment of the present invention, wherein a storage channel is provided and a pusher assembly adopts a screw conveying rod;

Fig. 11 is a schematic structural view of the filling mechanism of the embodiment of the present invention, wherein a storage channel and a pusher are used for the pushing assembly;

Fig. 12 is a schematic diagram of the external structure of the filling mechanism according to the embodiment of the present invention, wherein a hopper is provided outside the feeding port;

Fig. 13 is a schematic diagram of the external structure of the filling mechanism of the embodiment of the present invention, wherein a suction device is provided outside the feeding port;

Fig. 14 is a schematic structural view of a second welding assembly according to an embodiment of the present invention;

Fig. 15 is a partial schematic diagram of the second welding assembly welding cloth according to the embodiment of the present invention;

Fig. 16 is a partial schematic diagram of two upper and lower second welding assemblies welding cloth according to the embodiment of the present invention;

Fig. 17 is a schematic structural diagram of a rotating mechanism according to an embodiment of the present invention, wherein the rotating mechanism adopts a connecting rod transmission assembly;

Fig. 18 is a schematic structural view of an upright bilateral integral pocket spring string according to an embodiment of the present invention;

Fig. 19 is a schematic structural view of an upright bilateral partitioned pocket spring string according to an embodiment of the present invention;

Fig. 20 is a partial three-dimensional structural schematic diagram of an upright bilateral partitioned pocket spring string according to an embodiment of the present invention;

Fig. 21 is a schematic structural view of a pocket spring string of inclined bilateral partition type according to an embodiment of the present invention;

Fig. 22 is a schematic structural view of an inclined double-sided integral pocket spring string according to an embodiment of the present invention;

Fig. 23 is a schematic structural view of an inclined and vertically crossed pocket spring string according to an embodiment of the present invention;

Fig. 24 is a partial structural schematic diagram of a unilateral pocket spring string according to an embodiment of the present invention;

Reference numerals: first packaging mechanism 100, first soldering assembly 110, second soldering assembly 120, first welding knife 121, second welding knife 122, connecting seat 123, guide 124, void 125, filling mechanism 200, filling Channel 210, material storage barrel 212, first power end 213, second power end 214, screw conveyor rod 220, propeller 230, material storage channel 240, second conveyor belt 250, material inlet 260, hopper 270, discharge mouth 271, third conveyor belt 280, suction device 290, spring conveying mechanism 300, first conveyor belt 310, second packaging mechanism 400, third welding assembly 410, third welding knife 411, rack 420, gear 430, The connecting rod transmission assembly 440, the first transmission member 441, the second transmission member 442, the push rod 443, the edge sealing mechanism 500, the soft material area 10, the soft material small block 11, the spring bagging area 20, the first welding seam 30, The second welding seam 40 , the third welding seam 50 , and the fourth welding seam 60 .

Detailed ways

This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, several means one or more, and multiple means two or more. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

Referring to Figures 1 to 6, an embodiment of the present invention provides a manufacturing equipment for pocket spring strings with a soft cushion, including a first packaging mechanism 100, a filling mechanism 200, a spring delivery mechanism 300 and a second packaging mechanism 400, and the cloth The cloth is folded in half and wrapped on the filling mechanism 200 and the spring conveying mechanism 300, and the cloth is conveyed forward along a predetermined direction, wherein the first packaging mechanism 100 includes a first welding assembly 110, and the first welding assembly 110 welds the cloth to form a first weld 30 , the first welding seam 30 is vertically arranged to separate the cloth to form the soft material area 10 and the spring bagging area 20, the cloth is conveyed from the back to the front, and the longitudinal direction is parallel to the conveying direction of the cloth; the filling mechanism 200 conveys the soft material to the The soft material area 10 is used to fill the soft material area 10; the spring delivery mechanism 300 is used to deliver the spring to the spring bagging area 20; the second packaging mechanism 400 welds the cloth to form a second weld 40, and a plurality of second welds 40 are spaced apart Set, the spring in the spring bagging area 20 is separated to form a plurality of bagged springs, the second packaging mechanism 400 is arranged on the downstream (front) of the spring delivery mechanism 300; the soft material area 10 is at least one side of the spring bagging area 20 , correspondingly, the first packaging mechanism 100 and the filling mechanism 200 are disposed on at least one side of the spring delivery mechanism 300 .

In the manufacturing equipment of this embodiment, the cloth is welded by the first welding assembly 110 of the first packaging mechanism 100 to form the first weld 30, and the first weld 30 separates the cloth to form the soft material region 10 for encapsulating the soft material and the spring package for encapsulating the spring. In the bag area 20, the soft material is filled into the soft material area 10 by the filling mechanism 200, and the spring is transported to the spring bag area 20 by the spring conveying mechanism 300, and the second packaging mechanism 400 welds the cloth to form the second welding seam 40, and encapsulates the spring at intervals In the spring bagging area 20, a plurality of second welding seams 40 separate the spring bagging area 20 to form a plurality of pocket springs, and a plurality of pocket springs are connected to form a pocket spring string, and a plurality of pocket spring strings are spliced to form a bag Spring mattress. This manufacturing equipment adopts the method of welding to integrally manufacture pocket spring strings with soft cushions. Compared with the prior art of laying soft cushions manually and bonding with glue, it can reduce labor costs and ensure that the soft material area 10 and the integrity of the spring bagging area 20, the soft material area 10 will not be displaced and separated after long-term use. The first packaging mechanism 100 and the second packaging mechanism 400 can work simultaneously to improve production efficiency.

It can be understood that the soft material filled in the soft material area 10 can include one or more of sponge, rayon and gel, etc., and is not limited to the above materials, for example, it can also include plastic, fur, tree grain Decomposed fine debris, rubber, etc.; in addition, in addition to the above-mentioned solid materials, it can also be liquid materials, and this embodiment uses solid soft materials for illustration.

It can be understood that both the first packaging mechanism 100 and the second packaging mechanism 400 adopt ultrasonic welding.

It can be understood that the first welding assembly 110 may include two welding knives arranged oppositely on the top (the direction perpendicular to the outward direction of the figure is up) and the bottom (the direction perpendicular to the inward direction of the figure is downward), and the two welding knives cooperate with each other. For welding the cloth, the first welding assembly 110 is disposed at the gap between the filling mechanism 200 and the spring conveying mechanism 300 , and there may be one or more first welding assemblies 110 .

It can be understood that the spring conveying mechanism 300 includes two first conveying belts 310 arranged opposite to each other on the left and right. The two first conveying belts 310 clamp and compress the spring for conveying. The bagging area 20 then encapsulates the spring through the second encapsulation mechanism 400 .

It can be understood that one or more spring conveying mechanisms 300 can be provided. When the pocket spring has multiple layers of springs, a plurality of spring conveying mechanisms 300 parallel to each other should be arranged accordingly. Between adjacent spring conveying mechanisms 300 Welding components (similar in structure to the first welding component 110 ) can be provided in the gaps of the springs to weld and separate the spring pocket area 20 to form multiple layers.

In some embodiments, the filling mechanism 200 includes a filling channel 210 and a pusher assembly, the soft material is transferred to the soft material area 10 through the filling channel 210, the filling channel 210 is docked with the soft material area 10, and the pushing assembly is pushed into the filling channel 210 soft material to the soft material area 10, and then the soft material area 10 is filled.

The pusher assembly can adopt different structures. Specifically, referring to FIG. 7, the pusher assembly includes a screw delivery rod 220 arranged in the filling channel 210, and the screw delivery rod 220 is directly or indirectly driven to rotate by a motor. The screw delivery rod 220 has a screw Shaped blades, spiral grooves are formed between the blades, and the screw conveying rod 220 rotates, and the blades push the soft material in the filling channel 210 to move forward along the path of the spiral groove and enter the soft material area 10; with reference to Figure 8, or the pusher assembly includes setting The pusher 230 in the filling channel 210 moves linearly to push the soft material forward along the filling channel 210 .

Referring to Fig. 9 , or the pusher assembly includes a propeller 230 and a storage cylinder 212 that is slidably connected to the filling passage 210, a part of the storage cylinder 212 is inside the filling passage 210 and a part is outside the filling passage 210, and the storage cylinder 212 can pass through The first power end 213 is set outside the filling channel 210 to drive the movement. The first power end 213 can adopt a linear transmission mechanism such as a screw nut transmission mechanism, a belt transmission mechanism or a cylinder, and a certain amount of soft material is placed in the storage barrel 212, as shown in Fig. 9 The middle storage barrel 212 and the propeller 230 are in the initial position, and the storage barrel 212 is provided with an opening corresponding to the feed port 260 of the filling channel 210, and the material is fed through the feed port 260, and the first power end 213 drives the storage barrel 212 moves to a predetermined position and docks with the soft material area 10, and the pusher 230 pushes the soft material in the storage tank 212 to the soft material area 10. Specifically, the pusher 230 can use a pusher piston, driven by the second power end 214 , the front end of the propeller 230 matches the internal size of the storage tube 212. In the initial position state, a part of the front end of the propeller 230 is in the storage tube 212, and the front end of the propeller 230 and the front end of the storage tube 212 are namely The amount of soft material to fill. Using the storage tube 212 to limit the soft material in the space of the storage tube 212 can prevent the soft material from adhering to the inner wall of the filling channel 210 and hindering the propulsion movement of the propeller 230, and each filling in the storage tube 212 It is a quantitative soft material, which ensures that the volume of the soft material delivered to the soft material zone 10 is the same every time.

10 and 11, in some embodiments, the filling mechanism 200 also includes a material storage channel 240 and a soft material conveying mechanism, the soft material enters the material storage channel 240 from an external hopper, and temporarily stores part of the soft material through the storage channel 240 The storage channel 240 communicates with the filling channel 210. When the soft material in the filling channel 210 is completely transferred to the soft material area 10, the soft material conveying mechanism transports the soft material in the storage channel 240 to the filling channel 210 for replenishment.

It can be understood that the soft material conveying mechanism can adopt different structures. In this embodiment, the soft material conveying mechanism includes two second conveying belts 250 arranged opposite to each other at left and right intervals, and the rear half of the filling channel 210 protrudes to form the storage material In the channel 240 , two second conveyor belts 250 are arranged in the material storage channel 240 , and the soft material is clamped between the two second conveyor belts 250 for transport, and the soft material is transported into the filling channel 210 .

Referring to Figures 1 to 6, the filling mechanism 200 is continuously filled with soft material, and the soft material is filled in the storage channel 240 and continuously transported to the filling channel 210; referring to Figure 11, the soft material forms a block of a certain volume and is compressed and clamped. Hold between the two second conveyor belts 250, there is a certain gap between adjacent material blocks, when the compressed material block is transported to the right end of the conveyor belt, the material block expands, and is moved by the pusher 230 in the filling channel 210. Soft material district 10 advances.

The filling mechanism 200 also includes a feed port 260 through which soft material is added, and the feed port 260 communicates directly or indirectly with the filling channel 210, wherein the feed port 260 is arranged on a side wall of the filling channel 210, then The feed port 260 communicates directly with the filling channel 210 ; or if the feed port 260 is disposed on a side wall of the storage channel 240 , the feed port 260 communicates indirectly with the filling channel 210 .

Referring to FIG. 12 , in some embodiments, a hopper 270 is provided on the outside of the feed port 260, and the hopper 270 is used for feeding soft materials. The opening 271, the discharge port 271 is wide at the top and narrow at the bottom. There are two oppositely arranged third conveyor belts 280 at the position of the discharge port 271. The two third conveyor belts 280 are arranged in a V shape, and pass through the two third conveyor belts. Conveyor belt 280 realizes the quantitative delivery of soft materials. Specifically, the soft material in hopper 270 is sent down between the third conveyor belts 280 due to the action of gravity, and the two third conveyor belts 280 move to clamp the soft material and convey it downward. The amount delivered each time is equal to the amount pushed by the pusher 230 to the soft material area 10, ensuring that the same weight of soft material is maintained in the filling mechanism 200, and avoiding excessive compression that causes the soft material area 10 to be inconsistent in hardness and softness. The two third conveying belts 280 form a V shape so that the discharge port 271 can form a shape matching the feed port 260 of the filling mechanism 200 . When multiple soft material areas 10 and filling mechanisms 200 are provided, multiple discharge ports 271 at the bottom of the hopper 270 are correspondingly provided.

Referring to FIG. 13 , in some other embodiments, as an alternative, the hopper 270 is not provided, and the feed port 260 is connected with a suction device 290 , through which the soft material is sucked and delivered to the filling mechanism 200 . The suction device 290 can be a vacuum pump, the inlet of the vacuum pump sucks the soft material, and the outlet is connected with the feeding port 260 of the filling mechanism 200 .

It will be appreciated that the pliable material may be sucked through the suction device 290 and delivered to the hopper 270, see FIG. 12 .

In some embodiments, the soft material area 10 is welded at intervals, and the soft material area 10 is separated to form a plurality of soft material small blocks 11, and the soft material is filled in the soft material small blocks 11, which can prevent the soft material from being in the soft material area 10. Slip occurs, and the soft material is more evenly distributed in each soft material small block 11 .

Referring to FIG. 3 to FIG. 6 , in some embodiments, the first packaging mechanism 100 further includes a second welding assembly 120, and the third welding seam 50 is formed by welding cloth through the second welding assembly 120, and a plurality of third welding seams 50 are separated The soft material area 10 forms a plurality of soft material small blocks 11 .

14 and 15, further, the second welding assembly 120 includes a connecting seat 123, a guide 124, a first welding knife 121 and two second welding knives 122 that cooperate with each other to weld the cloth, the first welding knife 121 and the second welding knife 122 are movably installed on the connecting seat 123, and between the first welding knife 121 and the connecting seat 123, and between the second welding knife 122 and the connecting seat 123 are respectively connected by guides 124, so that the first welding knife The knife 121 and the second welding knife 122 can relatively move along the straight line where the guide 124 is located. Specifically, the guide 124 can be conventional mechanical parts such as an optical shaft and a sliding sleeve assembly, a guide rail and a slider assembly, or a rack and pinion assembly. , the first welding knife 121 and the two second welding knives 122 are arranged opposite to each other, the soft material area 10 passes between the first welding knife 121 and the second welding knife 122, and the first welding knife 121 and the second welding knife 122 The relative movement clamps and welds the cloth, and the two second welding knives 122 are arranged at intervals to form a gap 125 for the cloth to pass through. By setting the gap 125 to avoid the passage of the first weld 30, the third weld 50 formed by welding refers to the figure 24. The welds formed by the two second welding knives 122 and the first welding knives 121 respectively are on the same straight line.

Referring to Fig. 16, when the left and right sides of the spring bagging area 20 are provided with soft material areas 10, and each soft material area 10 is welded and separated to form a plurality of soft material small pieces 11, correspondingly, the left and right sides of the spring conveying mechanism 300 Both sides are provided with second welding components 120 .

It can be understood that the first welding knife 121 and the second welding knife 122 can be set to one of them is fixed, and the other is movable, and the movable welding knife can move toward the fixed welding knife; or the first welding knife 121 and the second welding knife Both the knives 122 are movable, and the two welding knives can move toward each other; in addition, the first welding knives 121 and the second welding knives 122 can be installed on two different connecting seats 123 .

In some embodiments, the manufacturing equipment further includes an edge-sealing mechanism 500 , which is used for edge-sealing welding of the cloth folded in half, and the edge-sealing mechanism 500 welds to form the fourth weld seam 60 . After the cloth is folded in half, an opening is formed on one side, and the opening is edge-sealed and welded by the edge-sealing mechanism 500 . The edge banding mechanism 500 can use a roller-type welding knife or two welding knives arranged opposite to each other. When two welding knives are used, the two welding knives cooperate to weld the cloth.

It can be understood that, according to the arrangement position and the number of layers of the soft material area 10, it is subdivided into a single-sided type (the left side or the right side of the spring bag area 20 is provided with a layer of soft material area 10) and a double-sided type (the spring bag area The left side of 20 and the right side respectively are provided with one deck soft material district 10); 11) and integral type (the soft material area 10 is not further welded to form a small piece of soft material); according to the layout angle of the spring, it is subdivided into inclined type (spring and second welding seam 40 are inclined), vertical type (spring and second weld slots 40 vertically) or other arrangements (slanted and vertically crossed).

Combining the layout of the springs with the layout of the soft material area 10 can produce different forms of pocket spring strings with soft cushions. Pocket spring products with four types of soft cushions, including type and inclined bilateral partition type, are used as examples to describe the implementation structure of the corresponding equipment.

Referring to Fig. 18, it is an upright bilateral integral pocket spring string, which is provided with soft material areas 10 on both sides of the spring pocket area 20 (based on the direction marked in Fig. 1 to Fig. 6 ), so Two first packaging mechanisms 100 need to be set correspondingly, and the second welding seam 40 is vertically arranged. The corresponding manufacturing equipment refers to FIG. 1 and FIG. , two first encapsulating mechanisms 100 and two filling mechanisms 200, wherein the two first encapsulating mechanisms 100 are arranged in the gap between the spring conveying mechanism 300 and the filling mechanism 200, so that the left and right sides of the spring bagging area 20 are respectively A layer of soft material area 10 is formed, and two filling mechanisms 200 are arranged on the left and right sides of the spring delivery mechanism 300 with gaps, respectively filling the two soft material areas 10 with soft materials; the first packaging mechanism 100 includes a first welding assembly 110 , since the pocket spring string is integral, there is no need to set the second welding assembly 120; the second packaging mechanism 400 is arranged downstream of the spring delivery mechanism 300, the second packaging mechanism 400 includes at least one set of third welding assemblies 410, the second packaging mechanism 400 The three welding assembly 410 can be two third welding knives 411 arranged up and down oppositely, the two third welding knives 411 cooperate to weld the cloth, the third welding knives 411 are vertically arranged, and the welding forms the vertical second welding seam 40 .

Referring to Fig. 19 and Fig. 20, it is a pocket spring string of upright double-sided partition type, which is provided with soft material areas 10 on the left and right sides of the spring pocket area 20, so two first packaging mechanisms 100 are set correspondingly, and the second The welding seam 40 is vertically arranged, and the corresponding manufacturing equipment refers to Fig. 3 and Fig. 4, and the manufacturing equipment includes a sealing edge mechanism 500, a spring conveying mechanism 300, a second packaging mechanism 400, two first packaging mechanisms 100 and two filling mechanisms 200, wherein two first packaging mechanisms 100 are arranged on the left and right sides of the spring delivery mechanism 300, and two filling mechanisms 200 are arranged on the left and right sides of the spring delivery mechanism 300; the first packaging mechanism 100 includes a first welding assembly 110 and The second welding assembly 120, wherein the first welding assembly 110 welds the cloth, separates the cloth to form the soft material area 10 and the spring pocket area 20, and because the pocket spring string is partitioned, it is welded by the second welding assembly 120 to separate the soft material The area 10 forms a plurality of small pieces of soft material 11; the second packaging mechanism 400 includes at least one group of third welding assemblies 410, the third welding assemblies 410 may be two third welding knives 411 arranged up and down oppositely, and the two third welding assemblies The knives 411 work together to weld the cloth, and the third welding knives 411 are vertically arranged to form the second vertical welding seam 40 by welding.

Referring to FIG. 21 , it is a pocket spring string of inclined double-sided partition type, which is provided with soft material areas 10 on the left and right sides of the spring pocket area 20, so two first packaging mechanisms 100 and second welding seams 40 are provided correspondingly. and the springs are arranged obliquely, and the corresponding manufacturing equipment is referred to FIG. A first packaging mechanism 100 is arranged on the left and right sides of the spring delivery mechanism 300, and two filling mechanisms 200 are arranged on the left and right sides of the spring delivery mechanism 300 with gaps; the first packaging mechanism 100 includes the first welding assembly 110 and the second The welding assembly 120, wherein the first welding assembly 110 welds the cloth, separates the cloth to form the soft material area 10 and the spring pocket area 20, and the second welding assembly 120 welds, separates the soft material area 10 to form a plurality of soft material small pieces 11, the first The second packaging mechanism 400 is arranged downstream of the spring conveying mechanism 300 .

In some of these embodiments, the second packaging mechanism 400 includes a rotating mechanism and two sets of third welding assemblies 410, springs can be fixed between the two sets of third welding assemblies 410, and the rotating mechanism drives the third welding assemblies 410 to rotate by a predetermined angle, and then The spring is driven to rotate at a predetermined angle, and welded to form an inclined second welding seam 40 . The inclination angles of two adjacent pocket springs are different, and each time welding, the rotation mechanism drives the third welding assembly 410 to rotate by a corresponding predetermined angle. Each group of third welding assemblies 410 includes two third welding knives 411 arranged up and down oppositely.

It can be understood that the rotating mechanism can adopt different structures. In some embodiments, referring to FIG. 5 , the rotating mechanism includes a rack 420 and a gear 430 that cooperate with each other. The horizontal movement of the rack 420 can drive the two gears 430 to rotate in the same direction at the same time by a predetermined angle.

In some other embodiments, referring to FIG. 17 , the rotating mechanism includes a connecting rod transmission assembly 440, and the connecting rod transmission assembly 440 includes a first transmission member 441, a second transmission member 442 and a push rod 443, and the first transmission member 441 and the third transmission member The welding assembly 410 is fixedly connected and hinged on the same shaft, the first transmission member 441 and the second transmission member 442 are rotationally connected, and the push rod 443 pushes the second transmission member 442 to move, thereby driving the first transmission member 441 and the third welding assembly 410 Rotate by a predetermined angle.

Referring to FIG. 22 , it is an oblique double-sided integral pocket spring string, which is provided with soft material areas 10 on the left and right sides of the spring pocket area 20, and the second welding seam 40 and the spring are obliquely arranged, not shown here. The structural schematic diagram of its corresponding manufacturing equipment, because the pocket spring string is an integral type, the difference between its corresponding manufacturing equipment and the above-mentioned manufacturing equipment (referring to Figure 5) of the pocket spring string of the oblique bilateral partition type is that no need to set The second welding assembly 120 .

Referring to FIG. 23 , it is an inclined and vertically crossed pocket spring string, and the pocket springs are inclined and vertically intersected in the spring pocketing area 20, and the corresponding manufacturing equipment needs to be provided with two third welding assemblies 410 to weld the upright pocketed springs. The third welding assembly 410 welds the spring horizontally. When welding the inclined pocket spring, the third welding assembly 410 clamps the spring and rotates it at a certain angle before welding. The vertical spring and the inclined spring are welded crosswise.

It can be understood that when the pocket spring string is unilateral and has only one layer of soft material area 10 (refer to FIG. 24 ), its corresponding manufacturing equipment only needs to be provided with a first packaging mechanism 100 and a filling mechanism 200 , referring to FIG. 6; when the pocket spring string has a multi-layer soft material area 10, the manufacturing equipment is provided with a corresponding number and a corresponding position of the first packaging mechanism 100 and the filling mechanism 200.

In some embodiments, the manufacturing equipment includes a driving mechanism. When the third welding assembly 410 is welding the cloth, the upper and lower third welding knives 411 clamp the cloth. After the welding is completed, the driving mechanism at least drives the third welding assembly 410 to move downstream. Or swing, and then drive the cloth to be forwarded, that is, the third welding assembly 410 pulls the cloth to be conveyed, so that there is no need to separately set up a mechanism for conveying the cloth.

It can be understood that the driving mechanism can also be configured to drive the second welding assembly 120 and the third welding assembly 410 to jointly move or swing downstream, that is, the second welding assembly 120 and the third welding assembly 410 jointly pull the cloth to be conveyed; or It is set to drive the first welding assembly 110, the second welding assembly 120 and the third welding assembly 410 to jointly move or swing downstream, that is, the cloth is pulled together by the first welding assembly 110, the second welding assembly 120 and the third welding assembly 410 delivery.

The embodiment of the present invention also provides a method for manufacturing a pocket spring string with a soft cushion layer. The pocket spring string with a soft cushion layer is produced by the above-mentioned manufacturing equipment, including the following steps:

Fold the cloth in half and wrap it on the filling mechanism 200 and/or the spring conveying mechanism 300;

The edge sealing mechanism 500 performs edge sealing welding on the opening formed by folding the cloth in half to form the fourth weld 60;

The first welding assembly 110 of the first packaging mechanism 100 welds the cloth to form a first weld 30, and the first weld 30 separates the cloth to form the soft material area 10 and the spring pocket area 20;

The filling mechanism 200 transports the soft material to the soft material area 10 to fill the soft material area 10;

The spring conveying mechanism 300 conveys the spring to the spring bagging area 20;

The second encapsulation mechanism 400 welds the cloth to form the second weld seam 40 , and then encapsulates the spring to form a pocket spring, and a plurality of pocket springs are connected to form a pocket spring string.

Further, the second welding assembly 120 of the first packaging mechanism 100 welds the soft material regions 10 at intervals to form a plurality of small soft material blocks 11 .

Manufacture pocket spring strings with a soft pad by the above-mentioned manufacturing equipment, can reduce labor costs, and ensure the integrity of the soft material area 10 and spring bagging area 20 of the pocket spring strings, and the soft material area 10 will also disappear after long-term use. There will be no displacement and detachment.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, various modifications can be made without departing from the gist of the present invention. kind of change.

Claims (20)

1. A manufacturing equipment for pocket spring strings with a soft cushion, characterized in that it comprises:

   At least one first packaging mechanism, the first packaging mechanism includes a first welding assembly, the first welding assembly is used to weld the cloth to form a first welding seam, and the first welding seam is arranged longitudinally to separate the cloth from forming The soft material area and the spring pocket area, the longitudinal direction is parallel to the conveying direction of the cloth;

   At least one filling mechanism, the filling mechanism is used to deliver soft material to the soft material area, so as to fill the soft material area;

   at least one spring delivery mechanism for delivering springs to the spring pocketing area; and

   The second packaging mechanism is used to weld the cloth to form a second weld seam, and a plurality of the second weld seams separate the springs in the spring pocket area to form a plurality of pocket springs; wherein,

   The first packaging mechanism and the filling mechanism are arranged on at least one side of the spring delivery mechanism, and the second packaging mechanism is arranged downstream of the spring delivery mechanism.
2. The manufacturing equipment of pocket spring strings with soft pads according to claim 1, wherein the first encapsulation mechanism further includes a second welding assembly, and the second welding assembly is used to weld cloth to form a third Welding seams, a plurality of third welding seams separates the soft material area to form a plurality of soft material small pieces.
3. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 2, wherein the second welding assembly includes a first welding knife and two second welding knives that cooperate with each other to weld the cloth, The first welding knife is arranged opposite to the two second welding knives, and the two second welding knives are arranged at intervals to form a gap for cloth to pass through, and the two second welding knives are respectively connected to the two second welding knives. The weld seam formed by the cooperation of the first welding knife with welding is on the same straight line.
4. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 3, wherein the second welding assembly further includes a connecting seat and a guide, and the connection between the first welding knife and the connecting seat is The space between the second welding knife and the connecting seat are respectively connected by guides, so that the first welding knife and the second welding knife can move relative to each other along the straight line where the guides are located.
5. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 1, wherein the filling mechanism includes a filling channel and a pushing assembly, and the filling channel is used for docking with the soft material area, The pushing component is used to push the soft material in the filling channel to the soft material area.
6. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 5, wherein the pusher assembly includes a screw conveying rod or a pusher arranged in the filling channel.
7. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 5, wherein the pusher assembly includes a pusher and a storage cylinder slidingly connected with the filling channel, the storage cylinder It is used to store a certain amount of soft material and move to a predetermined position to dock with the soft material area, and the pusher is used to push the soft material in the storage barrel to the soft material area.
8. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 5, wherein the filling mechanism also includes a material storage channel and a soft material delivery mechanism, and the material storage channel communicates with the filling channel , the soft material delivery mechanism is used to deliver the soft material in the storage channel to the filling channel.
9. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 8, wherein the soft material conveying mechanism includes two second conveying belts arranged opposite to each other at intervals, and the two second conveying belts It is arranged in the storage channel, and the soft material is conveyed between the two second conveyor belts.
10. According to any one of claims 5 to 9, the manufacturing equipment of pocket spring strings with a soft cushion layer is characterized in that: the filling mechanism includes a feed port, and the feed port is directly connected to the filling channel. Or communicate indirectly, a hopper is provided outside the feed port, and the hopper is used for feeding soft materials.
11. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 10, wherein the bottom of the hopper has a discharge port, and the discharge port is set correspondingly to the feed port of the filling mechanism , at the position of the discharge port, there are two oppositely arranged third conveyor belts, and the two third conveyor belts are arranged in a V shape.
12. According to any one of claims 5 to 9, the manufacturing equipment of pocket spring strings with a soft cushion layer is characterized in that, the filling mechanism includes a feed port, and the feed port is directly connected to the filling channel. Or communicate indirectly, the feeding port is connected with a material suction device, and the material suction device is used to suck the soft material and deliver the soft material to the filling mechanism.
13. The manufacturing equipment for pocket spring strings with soft pads according to claim 1, wherein the second packaging mechanism includes a group of third welding assemblies, and the third welding assemblies are arranged laterally on the spring Downstream of the conveying mechanism.
14. The manufacturing equipment for pocket spring strings with a soft cushion layer according to claim 1, wherein the second packaging mechanism includes a rotating mechanism and two sets of third welding assemblies, between which two sets of third welding assemblies are used For fixing the spring, the rotation mechanism is used to drive the third welding assembly to rotate a predetermined angle, so as to drive the spring to rotate a predetermined angle and weld to form the second inclined welding seam.
15. According to claim 14, the manufacturing equipment of pocket spring strings with a soft cushion layer is characterized in that, the rotating mechanism includes a rack and a gear that cooperate with each other, and the two third welding assemblies are respectively fixedly connected to one of the said gear, the movement of said rack can drive the two said gears to rotate in the same direction by a predetermined angle.
16. The manufacturing equipment of pocket spring strings with soft cushion layer according to claim 14, characterized in that, the rotating mechanism includes a connecting rod transmission assembly, and the connecting rod transmission assembly includes a first transmission member and a second transmission member and a push rod, the first transmission part is fixedly connected with the third welding assembly and hinged on the same shaft, the first transmission part and the second transmission part are rotatably connected, and the push rod is used to push the The second transmission member moves to drive the first transmission member and the third welding assembly to rotate.
17. According to any one of claims 13 to 16, the manufacturing equipment for pocket spring strings with a soft cushion layer is characterized in that the manufacturing equipment includes a driving mechanism for the third welding assembly After the cloth is clamped and welded, at least the third welding assembly is driven to move or swing downstream, thereby driving the cloth to be conveyed.
18. The manufacturing equipment of pocket spring strings with soft cushion layer according to claim 1, characterized in that, the manufacturing equipment further comprises an edge sealing mechanism, and the edge sealing mechanism is used for edge sealing and welding of cloth folded in half.
19. A method for manufacturing a pocket spring string with a soft cushion, characterized in that, making a pocket spring string with a soft cushion by the manufacturing equipment described in any one of claims 1 to 18, comprising the following steps:

    Fold the cloth in half and wrap it on the filling mechanism and/or the spring conveying mechanism;

    The first welding assembly of the first packaging mechanism welds the cloth to form the first weld, and the first weld separates the cloth to form a soft material area and a spring pocket area;

    The filling mechanism transports the soft material to the soft material area to fill the soft material area;

    The spring conveying mechanism conveys springs to the spring bagging area;

    The second packing mechanism welds the cloth to form a second weld, and then packs the spring to form a pocket spring, and a plurality of pocket springs are connected to form a pocket spring string.
20. The method for manufacturing pocket spring strings with soft pads according to claim 19, characterized in that the soft material sections are welded at intervals to form a plurality of small pieces of soft material.

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