CN112497383B - Sofa processing equipment for official working - Google Patents

Abstract

The invention relates to office sofa processing and assembling equipment, which comprises a conveying device, a feeding device and a binding device, wherein the conveying device is used for conveying sofa material to the office sofa processing and assembling equipment; the transportation device comprises a mounting frame, a moving assembly and a fixing assembly, wherein the fixing assembly comprises a rotating plate, accommodating grooves formed in two ends of the rotating plate in the length direction, a folding mechanism rotatably installed in the accommodating grooves and a nail feeding mechanism in power connection with the folding mechanism; the feeding device comprises a limiting block arranged on the rotating plate, an iron sheet feeding box and a serpentine spring feeding box which are sequentially arranged along the advancing direction of the moving assembly, a shearing assembly arranged above the serpentine spring feeding box and an unreeling assembly arranged on one side of the mounting frame; the shearing assembly comprises a shaping box, a contact plate arranged in the shaping box in a sliding manner, a cutter mechanism arranged on the contact plate in a sliding manner, and a power mechanism which drives the contact plate to move in a reciprocating manner and is in power connection with the unreeling assembly; the binding device comprises a pressing plate which moves up and down and can be abutted against the moving assembly, and the serpentine spring has a good processing effect.

Description

Sofa processing equipment for official working

Technical Field

The invention relates to the field of furniture production equipment, in particular to office sofa processing and assembling equipment.

Background

The snake spring is an important component in the sofa structure, the tension spring is called as an S spring because of the shape similar to letter S and has tensile property, the snake spring is positioned on the sofa seat frame and is fixed by the snake spring buckle, the sofa seat frame has the functions of good elasticity, long service life, random adjustment of cushion camber and the like, the snake spring is unreeled and then cut into the snake spring with required length, but the snake spring formed by cutting is easy to be different in length and irregular in installation due to the curling of the snake spring, and further the quality of the sofa seat frame is influenced.

Chinese patent application number is CN 201720516806.5's utility model discloses an automatic assembly production line is detained to snake reed, including binding the rifle and with bind the automatic knot device that gives that the rifle is connected, bind the rifle below and be provided with the workstation that is used for putting the stuff, be provided with the intermittent type feed mechanism that control stuff moved towards binding the rifle with the same feed quantity on the workstation, intermittent type feed mechanism is including the drive chain that links with the stuff and drive chain and be the second step motor of intermittent type progressive movement, be provided with the kicking block on binding the workstation of rifle below, the transfer chain is located the kicking block below, binds rifle one side and is provided with and is used for pressing down the stuff and make it support tightly in drive chain's pressing mechanism. This automatic assembly production line is detained to snake reed is through setting up impact block and pressing mechanism, and on the impact force that the binding in-process received the drive chain shifts the impact block to snake reed, guarantee the stability that the stuff fed when protecting drive chain, be favorable to extension equipment life.

However, the device needs to be matched with an external serpentine spring shaping and shearing device to obtain a sofa seat frame which is assembled to have high quality, and the process of obtaining the neat serpentine spring is time-consuming and labor-consuming.

Disclosure of Invention

Aiming at the problems, the invention provides office sofa processing and assembling equipment, which drives a contact plate to reciprocate under the action of a power mechanism and presses and shapes a serpentine spring in a shaping box when a moving plate is pushed by a pressing plate to move downwards to bind an iron sheet and the serpentine spring, meanwhile, the power mechanism also drives a rotating table to rotate intermittently and is matched with the contact plate to feed, and after the serpentine spring completely enters a shaping area, a cutter mechanism cuts a serpentine spring roll, so that the technical problem that the produced serpentine spring is not cut uniformly due to the fact that the uncoiled serpentine spring is in a bending state is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

an office sofa processing and assembling device, comprising:

the transportation device comprises a mounting frame, a moving assembly and a fixing assembly; the mounting rack is arranged in a rotary manner; the plurality of groups of moving assemblies move along the path of the mounting rack, and the moving assemblies slide up and down; the fixed assembly is correspondingly and rotatably arranged on the moving assembly and comprises a rotating plate, a gear rack transmission mechanism for driving the rotating plate to rotate, two groups of accommodating grooves which are symmetrically formed in the length direction of the rotating plate and used for accommodating iron sheets, a driving mechanism b which is arranged in the rotating plate and is in power connection with the moving assembly, a folding mechanism which is rotatably arranged in the accommodating grooves and is in power connection with the driving mechanism b, and a nail feeding mechanism which is fixedly arranged on one side of the folding mechanism and is in power connection with the folding mechanism through a transmission mechanism; the folding mechanism is matched with the nail feeding mechanism to fold the iron sheet;

the feeding device comprises a limiting block arranged on the rotating plate, an iron sheet feeding box and a serpentine spring feeding box which are sequentially arranged along the advancing direction of the moving assembly and are arranged above the mounting frame, a shearing assembly arranged above the serpentine spring feeding box and an unreeling assembly arranged on one side of the mounting frame; the bottom of the iron sheet feeding box is provided with a limiting component a which is abutted against the limiting block and is used for controlling the falling of the iron sheet; a limiting component b which is abutted against the limiting block and used for controlling the falling of the serpentine spring is arranged at the serpentine spring feeding box; the shearing assembly comprises a shaping box with a discharge hole facing the feed hole of the serpentine spring feeding box, a contact plate which is arranged in the shaping box in a sliding mode and forms a shaping area with the inner wall of the shaping box, a cutter mechanism which is arranged on the contact plate in a sliding mode and extends into the shaping area, and a power mechanism which drives the contact plate to move in a reciprocating mode; the power mechanism is in power connection with the unreeling assembly;

the binding device comprises lifting equipment arranged on the rear side of the serpentine spring feeding box along the advancing direction of the moving assembly, a pressing plate fixedly connected with a power output section of the lifting equipment and abutted against the moving assembly, and a conveying assembly which is rotatably arranged below the mounting frame and used for conveying a sofa frame; the sofa frame conveyed by the conveying assembly is aligned with the pressing plate; the pressing plate is in power connection with the power mechanism.

As an improvement, the moving assembly comprises a sliding rail mounted on the inner side of the mounting frame, a sliding block correspondingly arranged in the sliding rail in a sliding manner, a pair of guide rails vertically and fixedly mounted on the sliding block, a moving block correspondingly arranged on the guide rail in an up-down sliding manner, a spring elastically connecting the guide rail and the moving block, a vertical rod vertically and fixedly mounted on the moving block, and a chain located on one side of the mounting frame and fixedly connected with the top ends of the pair of guide rails; the rotating plate is rotatably arranged between the two groups of moving blocks.

As an improvement, the driving mechanism b comprises an arc-shaped groove formed in the side surface of the moving block, a gear b fixedly installed on the side surface of the rotating plate and rotating through the arc-shaped groove, two groups of racks b which are sequentially arranged along the rotating direction of the gear b and are arranged on two sides of the rotating path of the gear b and meshed with the gear b, and a worm and gear transmission assembly which is arranged in the rotating plate and is in power connection with the gear b.

As an improvement, the folding mechanism comprises a mounting seat fixedly mounted in the rotating plate, a rotating frame rotatably mounted on the mounting seat and in power connection with the driving mechanism b, and a clamping plate fixedly mounted on the rotating frame; the clamping plate is provided with a groove matched with the serpentine spring.

As an improvement, the nailing mechanism comprises a fixed column vertically and fixedly installed in the rotating plate, a flat plate fixedly installed at the top end of the fixed column, a material conveying channel penetrating through the fixed column and the flat plate, a nut coaxially and rotatably installed at the bottom of the fixed column and in power connection with a transmission mechanism, a screw rod penetrating through the material conveying channel and in threaded fit with the nut, a material storage box fixedly installed on one side of the fixed column and communicated with the material conveying channel, a baffle arranged at a material inlet of the material storage box, a push plate elastically installed on one side of the baffle and in contact with a nail in the material storage box, and two groups of L-shaped rods symmetrically and rotatably installed on two sides of the outlet of the material conveying channel, wherein one end of each L-shaped rod protrudes out of the flat plate; the L-shaped rod is arranged in a one-way rotating mode, and the other end of the L-shaped rod extends into the material conveying channel.

As an improvement, the limiting component a comprises a sliding rod which is arranged at the bottom of the iron sheet feeding box in a left-right transverse sliding manner and is abutted against the limiting block; the other end of the sliding rod is abutted against the iron sheet.

As an improvement, the limiting component b comprises two groups of limiting strips vertically fixed in the serpentine spring feeding box, two groups of transverse rods symmetrically arranged and transversely slidably arranged at the bottom ends of the limiting strips, arc-shaped plates correspondingly and fixedly arranged at the end parts of the transverse rods and abutted against the serpentine springs, bosses fixedly arranged on the limiting blocks, and limiting rods vertically slidably arranged at the bottoms of the limiting strips and abutted against the bosses; the limiting rod comprises a protruding portion and a matching portion which are arranged up and down and are abutted to the cross rod.

As an improvement, the cutter mechanism comprises a cutter positioned at the feeding end of the shaping area and extending into the shaping area, a movable rod arranged on the contact plate in a transverse sliding manner, a convex block fixedly arranged on the movable rod and abutted against the cutter, and a movable plate arranged at the other end of the shaping area in a transverse sliding manner relative to the cutter and elastically connected with the movable rod; the cutting knife is elastically arranged on the contact plate in a sliding manner; the moving plate is arranged on the inner wall of the shaping box in a sliding mode and is located in the shaping area.

As an improvement, the power mechanism comprises a rotating shaft a erected on the lifting device, two groups of racks c vertically and fixedly installed on the pressing plate and located on two sides of the rotating shaft a, gears c respectively installed on the rotating shaft a through ratchet assemblies a and correspondingly meshed with the two groups of racks c, a rotating shaft b erected above the installation frame, a belt pulley assembly a in transmission connection with the rotating shaft a and the rotating shaft b, and a turntable a coaxially and fixedly installed on the rotating shaft b and abutted against the contact plate; and a plurality of groups of limiting tables a are arranged at the edge of the turntable a in a circumferential array mode.

As an improvement, the unreeling assembly comprises an installation platform, a rotating shaft c which is arranged on one side of the installation platform and is in power connection with the rotating shaft b through a belt pulley assembly b, a rotary disc b which is coaxially and fixedly installed on the rotating shaft c, a rotating platform which is rotatably installed on the installation platform, a gear d which is in power connection with the rotating platform through a ratchet assembly b, and a rack d which is arranged on the installation platform in a sliding mode and is meshed with the gear d; the rack d is abutted against the rotary disc b; and a plurality of groups of limiting tables b are arranged at the edge of the turntable b in a circumferential array mode.

The invention has the beneficial effects that:

(1) according to the invention, when the movable plate is pushed to move downwards by the pressing plate to bind the iron sheet and the serpentine spring, the contact plate is driven to move in a reciprocating manner under the action of the power mechanism, and meanwhile, the power mechanism also drives the rotating table to rotate intermittently and is matched with the contact plate to feed, so that the rotating table stops rotating when the contact plate butts against and shapes the serpentine spring; when the contact plate leaves the serpentine spring, the rotating table carries out rotating feeding to realize the sectional pressing and shaping of the serpentine spring, so that the serpentine spring is more smooth;

(2) when the invention is used for feeding, when the free end of the serpentine spring extends into one end of the shaping area, the serpentine spring drives the moving plate to move transversely, so as to drive the cutter to extend into the shaping area, and the serpentine spring is cut off along with the moving cutter of the contact plate, so that the lengths of the serpentine springs mounted on the sofa seat frame are consistent;

(3) according to the invention, the rotating plate rotates when moving downwards, the folding assembly rotates to enable the iron sheet to wrap the serpentine spring, meanwhile, the nail feeding assembly mechanism penetrates nails through the folded iron sheet and fixes the iron sheet, and then the iron sheet and the serpentine spring are fixed on the sofa seat frame together, so that the production efficiency is higher compared with the prior art that the buckle and the serpentine spring are installed in sequence;

(4) according to the invention, the clamping plate in the folding assembly is provided with the groove, when the clamping plate rotates to be in contact with the flat plate, the coil spring is clamped in the groove, so that the iron sheet is better in contact with the coil spring, and the phenomenon of displacement between the coil spring and the iron sheet in the subsequent installation and use processes is prevented;

(5) when the plurality of rotating plates move to the position right below the pressing plate, under the action of the pressing plate, the plurality of groups of rotating plates synchronously move downwards, the iron sheet and the serpentine spring are fixedly arranged on the sofa seat frame, the distance between every two rotating plates is kept constant, and the distance between the serpentine springs arranged on the sofa seat frame is further kept constant; the quality of the sofa seat frame is improved;

(6) the automatic sofa seat frame is high in automation degree, the iron sheet and the serpentine spring are moved to the rotating plate, the iron sheet, the serpentine spring and the nail are fixed, and the iron sheet and the serpentine spring are mounted on the sofa seat frame in an automatic process, manual operation is not needed, and production efficiency is improved.

In conclusion, the invention has the advantages of simple structure, ingenious design, high efficiency of installing the serpentine spring, good shaping effect of installing the serpentine spring and the like, and is particularly suitable for the production process of high-elasticity sofas.

Drawings

FIG. 1 is a first drawing illustrating the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view of FIG. 1 at B;

FIG. 5 is an enlarged view of FIG. 1 at C;

FIG. 6 is an enlarged view of FIG. 2 at D;

FIG. 7 is an enlarged view at E in FIG. 2;

FIG. 8 is an exploded view of the first securing assembly;

FIG. 9 is an exploded view of the securing assembly;

FIG. 10 is a first view illustrating the structure of the folding mechanism;

FIG. 11 is a second view of the folding mechanism;

FIG. 12 is a schematic structural view of a nailing mechanism;

FIG. 13 is a structural sectional view of the nailing mechanism;

fig. 14 is a schematic view showing a state of staple binding;

FIG. 15 is a schematic view of the iron sheet in a folded state;

FIG. 16 is a schematic view of the binding apparatus;

FIG. 17 is a schematic view of the internal structure of the serpentine spring feed box;

FIG. 18 is a side cross-sectional view of a serpentine spring feed box;

FIG. 19 is a schematic view of the operation state of the limiting assembly a;

FIG. 20 is a schematic view of the operation state of the position limiting assembly b;

FIG. 21 is a schematic view of a state of the serpentine spring feed;

FIG. 22 is a schematic view of the internal structure of gear c;

fig. 23 is a schematic view of the internal structure of the gear d.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. 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 include one or more of that feature either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

as shown in fig. 1 to 7, an office sofa processing and assembling apparatus includes:

the transportation device 1 comprises a mounting frame 11, a moving assembly 12 and a fixing assembly 13; the mounting frame 11 is arranged in a rotary manner; a plurality of groups of the moving components 12 move along the path of the mounting frame 11, and the moving components 12 slide up and down; the fixed component 13 is correspondingly and rotatably mounted on the moving component 12, and the fixed component 13 includes a rotating plate 131, a rack and pinion transmission mechanism 132 for driving the rotating plate 131 to rotate, two sets of accommodating grooves 133 symmetrically opened along the length direction of the rotating plate 131 and used for accommodating iron sheets, a driving mechanism b134 arranged in the rotating plate 131 and dynamically connected with the moving component 12, a folding mechanism 135 rotatably mounted in the accommodating grooves 133 and dynamically connected with the driving mechanism b134, and a nailing mechanism 137 fixedly mounted on one side of the folding mechanism 135 and dynamically connected with the folding mechanism 135 through a transmission mechanism 136; the folding mechanism 135 cooperates with the upper nail mechanism 137 to fold the iron sheet;

the feeding device 2 comprises a limiting block 21 arranged on the rotating plate 131, an iron sheet feeding box 22 and a serpentine spring feeding box 23 which are sequentially arranged along the advancing direction of the moving assembly 12 and are arranged above the mounting frame 11, a shearing assembly 24 arranged above the serpentine spring feeding box 23, and an unreeling assembly 25 arranged on one side of the mounting frame 11; the bottom of the iron sheet feeding box 22 is provided with a limiting component a222 which is abutted against the limiting block 21 and is used for controlling the falling of the iron sheets; a limiting component b232 which is abutted against the limiting block 21 and used for controlling the falling of the serpentine spring is arranged at the serpentine spring feeding box 23; the shearing assembly 24 comprises a shaping box 241 with a discharge hole facing the feed hole of the serpentine spring feed box 23, a contact plate 242 which is arranged in the shaping box 241 in a sliding manner and forms a shaping area 240 with the inner wall of the shaping box 241, a cutter mechanism 243 which is arranged on the contact plate 242 in a sliding manner and extends into the shaping area, and a power mechanism 244 for driving the contact plate 242 to reciprocate; the power mechanism 244 is in power connection with the unwinding assembly 25;

the binding device 3 comprises a lifting device 31 arranged at the rear side of the serpentine spring feeding box 23 along the advancing direction of the moving component 12, a pressing plate 32 fixedly connected with a power output section of the lifting device 31 and arranged in an abutting mode with the moving component 12, and a conveying component 33 which is rotatably arranged below the mounting frame 11 and used for conveying a sofa frame; the sofa frame conveyed by the conveying assembly 33 is aligned with the pressing plate 32; the pressing plate 32 is in power connection with the power mechanism 244.

It should be noted that the lifting device 31 is a prior art.

It should be further noted that, as shown in fig. 18, the serpentine spring feeding box 23 includes a transition section 233 and a storage section 234 which are disposed above and below, and the serpentine spring 4 falling from the shaping box 241 slides through the transition section 233 into the storage section 234.

Further, as shown in fig. 2 and 3, the moving assembly 12 includes a slide rail 121 installed inside the mounting block 11, a slide block 122 correspondingly slidably disposed in the slide rail 121, a pair of guide rails 123 vertically and fixedly installed on the slide block 122, a moving block 124 correspondingly slidably disposed on the guide rails 123 up and down, a spring 125 elastically connecting the guide rails 123 and the moving block 124, a vertical rod 126 vertically and fixedly installed on the moving block 124, and a chain 127 located on one side of the mounting block 11 and fixedly connected to top ends of the pair of guide rails 123; the rotating plate 131 is rotatably installed between the two sets of moving blocks 124.

It should be noted that the chain 127 is arranged in a rotary manner and is driven by an external power device.

It should be noted that the gear of the rack and pinion mechanism 132 is fixed coaxially with the rotating plate 131, and the rack is fixedly mounted on the guide rail 123.

Further, as shown in fig. 8 and 9, the driving mechanism b134 includes an arc-shaped groove 1341 formed in a side surface of the moving block 124, a gear b1342 fixedly mounted on a side surface of the rotating plate 131 and rotating through the arc-shaped groove 1341, two sets of racks b1343 sequentially arranged along a rotating direction of the gear b1342 and arranged on two sides of a rotating path of the gear b1342 to be engaged with the gear b1342, and a worm gear assembly 1344 arranged inside the rotating plate 131 and dynamically connected to the gear b 1243.

In the process of rotating the rotating plate 131, the gear b is engaged with the rack b1343 to drive the worm gear assembly 1344 to rotate, and the worm gear assembly 1344 drives the folding mechanism 135 to rotate.

It should be further noted that, due to the arrangement positions of the two sets of racks b1343, in the process of rotating the rotating plate 131, the folding mechanism 135 rotates to fold the iron sheet 5, and then the folding mechanism 135 resets.

Further, as shown in fig. 11 and 12, the folding mechanism 135 includes a mounting seat 1351 fixedly installed in the rotating plate 131, a rotating frame 1352 rotatably installed on the mounting seat 1351 and in power connection with the driving mechanism b134, and a clamping plate 1353 fixedly installed on the rotating frame 1352; the clamping plate 1353 is provided with a groove 13531 matched with the serpentine spring.

Further, as shown in fig. 12 to 14, the nailing mechanism 137 comprises a fixed column 1371 vertically and fixedly installed in the rotating plate 131, a flat plate 1372 fixedly installed at the top end of the fixed column 1371, a material conveying channel 1373 penetrating through the fixed column 1371 and the flat plate 1372, a nut 1374 coaxially and rotatably installed at the bottom of the fixed column 1371 and dynamically connected with the transmission mechanism 136, a screw 1375 penetrating in the material conveying channel 1373 and in threaded fit with the nut 1374, a storage box 1376 fixedly installed at one side of the fixed column 1371 and communicated with the material conveying channel 1373, a baffle 1377 arranged at a feed inlet of the storage box 1376, a push plate 1378 elastically installed at one side of the baffle 1377 and in contact with the storage box 1376, and two groups of L-shaped rods 1379 symmetrically and rotatably installed at two sides of an outlet of the material conveying channel 1373 and provided with one end protruding out of the plane of the flat plate 1372; the L-shaped rod 1379 is arranged in a unidirectional rotating manner, and the other end of the L-shaped rod extends into the material conveying channel 1373.

It should be noted that, as shown in fig. 10 and 11, the transmission mechanism 136 includes a conical tooth transmission assembly 1361 in power connection with the rotating frame 1352 and a belt transmission assembly 1362 in power connection with the conical tooth transmission assembly 1361 and the nailing mechanism 137, and the nut 1372 is in power connection with the belt transmission assembly 1362.

It should be noted that the worm gear assembly 1344 drives the rotating frame 1352 and the clamping plate 1353 to rotate, the clamping plate 1352 cooperates with the flat plate 1372 and the serpentine spring 4 to fold the iron sheet 5, and finally, the two ends of the iron sheet 5 are spliced on the flat plate 1372 and wrap the serpentine spring 4.

It should be noted that, when the two ends of the iron sheet 5 are combined with the flat plate 1372, the serpentine spring 4 is snapped into the groove 13531, and the iron sheet 5 wraps the serpentine spring 4 more firmly without displacement.

It should be further noted that, when folding mechanism 135 rotates, nut 1374 is driven to rotate by bevel gear assembly 1361 and belt gear assembly 1362, and screw 1375 is driven to move upward, screw 1375 lifts nail 6 upward, since L-shaped bar 1379 is set to rotate in one direction, nail 6 goes over L-shaped bar 1379, the tip of nail 6 passes through iron sheet 5, and the other end is located between L-shaped bar 1379 and iron sheet 5; the iron sheet 5 is provided with a fabrication hole in interference fit with the nail 6.

It is important to note that when the moving plate 131 rotates 180 ° and moves downward, the L-shaped rod 1379 abuts against the sofa seat frame 7, so as to drive the L-shaped rod 1379 to rotate, and the other end of the L-shaped rod 1379 pushes the nail 6 into the sofa seat frame 7.

It is worth mentioning that, nail 6 is orderly put things in good order in the workbin 1376, push pedal 1378 will nail 6 is pushed to in the defeated material passageway 1373, screw 1375 is the propelling movement nail 6 the in-process screw 1375 is right in the workbin 1376 nail 6 is contradicted, guarantees screw 1375 only promotes one at every last nail 6, and then realizes nail 6's orderly ejection of compact.

Further, as shown in fig. 19, the limiting component a222 includes a sliding rod 2221 which is laterally arranged at the bottom of the iron sheet feeding box 22 in a left-right sliding manner and is abutted against the limiting block 21; the other end of the sliding bar 2221 is abutted against the iron plate.

It should be noted that, when the rotating plate 131 moves to the lower side of the iron sheet feeding box 22, the limiting block 21 abuts against the sliding rod 2221, so as to drive the sliding rod 2221 to move, the sliding rod 2221 and the iron sheet 5 at the lowest position fall into the accommodating groove 133, the lower surface of the iron sheet feeding box 22 is flush with the rotating plate 131, the remaining iron sheet 5 is still located in the iron sheet feeding box 22, and then when the limiting block 21 is disengaged from the sliding rod 2221, the sliding rod 2221 is reset to fix the iron sheet 5 at the lowest position of the iron sheet feeding box 5.

Further, as shown in fig. 20, the limiting component b232 includes two sets of limiting bars 2321 vertically fixed in the serpentine spring feeding box 23, two sets of cross bars 2322 symmetrically arranged and transversely slidably arranged at the bottom ends of the limiting bars 2321, an arc-shaped plate 2323 correspondingly fixedly mounted at the end of the cross bar 2322 and abutting against the serpentine spring, a boss 2324 fixedly mounted on the limiting block 21, and a limiting rod 2325 vertically slidably arranged at the bottom of the limiting bar 2321 and abutting against the boss 2324; the limiting rod 2325 includes a protrusion 23251 and a fitting portion 23252 which are vertically disposed and abutted against the cross bar 2322.

It should be noted that, as shown in fig. 17, the limiting bar 2321 ensures that the serpentine springs 4 can be orderly arranged in the serpentine spring feeding box 23.

It should be noted that when the rotating plate 131 moves to the lower side of the serpentine spring feeding box 23, the boss 2324 abuts against the limiting rod 2325, the limiting rod 2325 moves upward, and the cross bar 2322 is switched from being matched with the protruding portion 23251 to being matched with the matching portion 23252, so as to drive the arc-shaped plate 2323 to be disengaged from the interference with the serpentine spring 4, the serpentine spring 4 falls onto the rotating plate 131 smoothly, and then the boss 2324 is disengaged from the limiting rod 2325, the limiting rod 2325 is reset accordingly, and the cross bar 2322 is reset, because the distance between the lower surface of the serpentine spring feeding box 23 and the surface of the rotating plate 131 is the thickness of the serpentine spring 4, the arc-shaped plate 2323 fixes the serpentine spring 4 at the lowest position of the serpentine spring feeding box 23.

It should be further noted that after the plurality of sets of rotating plates 131 complete receiving the material, when the rotating plates move to the position below the pressing plate 321, the conveying assembly 33 conveys the sofa seat frame 7 to the position opposite to the pressing plate 321, at this time, the chain 127 stops working, and the lifting device 31 drives the pressing plate 321 to move downward and drives the moving block 124 to move downward.

It is worth mentioning that magnetic substances are arranged on the surfaces of the rotating plate 131, the flat plate 1372 and the end of the screw 1375, so as to ensure that the serpentine spring 4 and the iron sheet 5 do not fall off in the rotating process.

Further, as shown in fig. 6 and 21, the cutter mechanism 243 includes a cutter 2431 located at the feeding end of the shaping region 240 and extending into the shaping region 240, a moving rod 2432 transversely slidably disposed on the contact plate 242, a protrusion 2433 fixedly mounted on the moving rod 2432 and disposed to abut against the cutter 2431, and a moving plate 2434 transversely slidably disposed at the other end of the shaping region 240 relative to the cutter 2431 and elastically connected to the moving rod 2432; the cutting knife 2431 is elastically and slidably arranged on the contact plate 242; the moving plate 2434 is slidably disposed on the inner wall of the shaping box 241 and is located in the shaping region 240.

It should be noted that, when the free end of the coil spring 4 enters the shaping area 240 and abuts against the moving plate 2434, the moving plate 2434 is pushed to perform a traverse movement, and then the moving plate 2434 drives the moving rod 2432 to perform a traverse movement, the protrusion 2433 abuts against the cutter 2431 and pushes the cutter 2431 to extend into the shaping area 240, and then the contact plate 242 moves, the cutter 2431 cuts off the coil spring 4.

Further, as shown in fig. 5 and 6, the power mechanism 244 includes a rotating shaft a2441 erected on the lifting device 31, two sets of racks c2442 vertically and fixedly installed on the pressing plate 32 and located at two sides of the rotating shaft a2441, a gear c2443 installed on the rotating shaft a2441 through a ratchet assembly a2440 and correspondingly engaged with the two sets of racks c2442, a rotating shaft b2444 erected above the mounting frame 11, a pulley assembly a2445 drivingly connected with the rotating shaft a2441 and the rotating shaft b2444, and a rotating disc a2446 coaxially and fixedly installed on the rotating shaft b2444 and abutted against the contact plate 242; a plurality of groups of limit platforms a24461 are arranged at the edge of the turntable a2446 in a circumferential array.

It should be noted that, as shown in fig. 22, the ratchet wheel assembly a2440 makes the rotation directions of the two gears c2443 opposite, so that the rotation shaft a2441 and thus the rotation disc a2446 always keep the same rotation direction no matter whether the pressing plate 32 moves up or down.

It should be noted that the contact plate 242 is elastically slidably disposed in the shaping box 241, and the contact plate 242 reciprocates under the action of the sets of limiting tables a 24461.

Further, as shown in fig. 2, 6 and 23, the unwinding assembly 25 includes a mounting table 251, a rotating shaft c253 disposed at one side of the mounting table 251 and dynamically connected to the rotating shaft b2444 through a belt pulley assembly b252, a rotating disc b254 coaxially and fixedly mounted on the rotating shaft c253, a rotating table 255 rotatably mounted on the mounting table 251, a gear d257 dynamically connected to the rotating table 255 through a ratchet assembly b256, and a rack d258 slidably disposed on the mounting table 251 and engaged with the gear d 257; the rack d258 is abutted against the rotary disc b 254; and a plurality of groups of limit tables b2541 are arranged at the edge of the rotary disc b254 in a circumferential array mode.

It should be noted that the rack d258 is elastically and slidably disposed on the mounting table 251, the coil spring 4 is placed on the rotating table 255 in a coiled manner, and the rotation of the rotating shaft b2444 causes the rotating shaft c253 to rotate, so that under the action of the sets of limiting tables b2541, the rack d258 traverses back and forth, and under the action of the ratchet assembly b256, the rotating table 255 performs unidirectional rotation unwinding.

It should be noted that when the contact plate 242 moves to abut against the coil spring 4, the rack d258 moves and does not drive the rotation table 255 to rotate, and when the contact plate 242 moves away from the coil spring 4, the rack d258 moves and drives the rotation table 255 to rotate and unreel.

The working process is as follows:

manually placing the coiled serpentine spring 4 on the rotating table 255, wherein one end of the serpentine spring 4 extends into the shaping area 240, the up-and-down movement of the pressing plate 32 drives the contact plate 242 to move and perform abutting shaping on the serpentine spring 4, then the contact plate 242 leaves the contact plate 242, and simultaneously under the action of the ratchet assembly b256, the rack d258 drives the rotating table 255 to rotate and unreel, the above process is repeated until the free end of the serpentine spring 4 abuts against the moving plate 2434, the moving plate 2434 is pushed to move transversely, then the moving plate 2434 drives the moving rod 2432 to move transversely, the bump 2433 abuts against the cutter 2431 and pushes the cutter 2431 to extend into the shaping area 240, then when the contact plate 242 moves, the cutter 2431 cuts off the serpentine spring 4, and the serpentine spring 4 slides into the storage section 232 through the transition section 231 to wait for discharging, meanwhile, the iron sheet 5 is placed in the iron sheet feeding box 22, the nails 6 are stacked in the storage box 1376, the feed inlet of the storage box 1376 is blocked by the baffle 1377, the push plate 1378 pushes the nails in the storage box 1376 into the material conveying channel 1373, then the moving assembly 12 starts to move, when the rotating plate 131 moves to the lower side of the iron sheet feeding box 22, the limiting block 21 is abutted to the sliding rod 2221, so as to drive the sliding rod 2221 to move, the sliding rod 2221 drives the iron sheet 5 at the lowest part to fall into the accommodating groove 133, the flat plate 1372 adsorbs the iron sheet 5, then the rotating plate 131 continues to move, when the limiting block 21 is disengaged from the sliding rod 2221, the sliding rod 2221 resets and fixes the iron sheet 5 at the lowest part of the iron sheet feeding groove 5, then, when the rotating plate 131 moves to the position below the serpentine spring feeding box 23, the boss 2324 abuts against the limiting rod 2325, the limiting rod 2325 moves upward, the cross bar 2322 is switched from being matched with the protruding portion 23251 to being matched with the matching portion 23252, so that the arc-shaped plate 2323 is driven to be separated from the interference with the serpentine spring 4, the serpentine spring 4 falls onto the rotating plate 131 in a smooth manner and is adsorbed by the rotating plate 131, then the boss 2324 is separated from being matched with the limiting rod 2325, the limiting rod 2325 is reset accordingly, so that the cross bar 2322 is reset, the arc-shaped plate 2323 fixes the serpentine spring 4 at the lowest position of the serpentine spring feeding box 23, the rotating plate 131 sequentially receives material and moves forward, when a plurality of groups of the rotating plates 131 move to the position below the pressing plate 32, the pressing plate 32 moves downward to abut against the moving block 126, and the vertical rod 124 moves downward accordingly, at this time, the rotation plate 131 is driven to rotate by the rack-and-pinion mechanism 132, the gear b1342 is engaged with the rack b1343 to drive the worm gear assembly 1344 to rotate, the folding mechanism 135 is driven to rotate by the worm gear assembly 1344, the clamp plate 1353 is rotated close to the plate 1372 so that the leaf 4 wraps the serpentine spring 5, the clamp plate 1353 is rotated close to the plate 1372, the nut 1374 is rotated by the cone-shaped tooth drive assembly 1361 and the belt drive assembly 1362 to drive the screw 1375 to move upwards, the screw 1375 pushes the nail 6 upwards, the nail 6 passes over the L-shaped rod 1379 due to the unidirectional rotation of the L-shaped rod 1379, the tip of the nail 6 passes through the leaf 5, and the other end of the nail 6 is located between the L-shaped rod 1379 and the leaf 5, then the clamping plate 1353 is rotated to reset, and simultaneously the screw 1375 is reset, and then when the rotating plate 131 is rotated 180 degrees and then moves downwards continuously, the L-shaped rod 1379 abuts against the sofa seat frame 7, so as to drive the L-shaped rod 1379 to rotate, the other end of the L-shaped rod 1379 pushes the nail 6 into the sofa seat frame 7, then the lifting device 31 is reset, and the rotating plate 131 and the moving block 124 are reset accordingly.

Claims (8)

1. The utility model provides an office sofa processing equipment of assembling which characterized in that includes:

the transportation device (1), the transportation device (1) comprises a mounting rack (11), a moving assembly (12) and a fixing assembly (13); the mounting rack (11) is arranged in a rotary manner; a plurality of groups of the moving assemblies (12) move along the path of the mounting rack (11), and the moving assemblies (12) slide up and down; the fixed assembly (13) is correspondingly and rotatably mounted on the moving assembly (12), and the fixed assembly (13) comprises a rotating plate (131), a gear and rack transmission mechanism (132) for driving the rotating plate (131) to rotate, two groups of accommodating grooves (133) which are symmetrically formed in the length direction of the rotating plate (131) and used for accommodating iron sheets, a driving mechanism b (134) which is arranged in the rotating plate (131) and is in power connection with the moving assembly (12), a folding mechanism (135) which is rotatably mounted in the accommodating grooves (133) and is in power connection with the driving mechanism b (134), and a nail feeding mechanism (137) which is fixedly mounted on one side of the folding mechanism (135) and is in power connection with the folding mechanism (135) through a transmission mechanism (136); the folding mechanism (135) is matched with the nail feeding mechanism (137) to fold the iron sheet;

the feeding device (2) comprises a limiting block (21) arranged on the rotating plate (131), an iron sheet feeding box (22) and a serpentine spring feeding box (23) which are sequentially arranged along the advancing direction of the moving assembly (12) and are respectively arranged above the mounting frame (11), a shearing assembly (24) arranged above the serpentine spring feeding box (23) and an unreeling assembly (25) arranged on one side of the mounting frame (11); the bottom of the iron sheet feeding box (22) is provided with a limiting component a (222) which is abutted against the limiting block (21) and is used for controlling the falling of the iron sheets; a limiting component b (232) which is abutted against the limiting block (21) and is used for controlling the falling of the serpentine spring is arranged at the serpentine spring feeding box (23); the shearing assembly (24) comprises a shaping box (241) with a discharge hole facing a feed hole of the serpentine spring feed box (23), a contact plate (242) which is arranged in the shaping box (241) in a sliding mode and forms a shaping area (240) with the inner wall of the shaping box (241), a cutter mechanism (243) which is arranged on the contact plate (242) in a sliding mode and extends into the shaping area, and a power mechanism (244) which drives the contact plate (242) to move in a reciprocating mode; the power mechanism (244) is in power connection with the unreeling component (25);

the binding device (3) comprises a lifting device (31) arranged at the rear side of the serpentine spring feeding box (23) along the advancing direction of the moving assembly (12), a pressing plate (32) fixedly connected with a power output section of the lifting device (31) and abutted against the moving assembly (12), and a conveying assembly (33) rotatably arranged below the mounting frame (11) and used for conveying a sofa frame; the sofa frame conveyed by the conveying assembly (33) is aligned with the pressing plate (32); the pressing plate (32) is in power connection with the power mechanism (244);

the folding mechanism (135) comprises a mounting seat (1351) fixedly mounted in the rotating plate (131), a rotating frame (1352) rotatably mounted on the mounting seat (1351) and in power connection with the driving mechanism b (134), and a clamping plate (1353) fixedly mounted on the rotating frame (1352); a groove (13531) matched with the serpentine spring is formed in the clamping plate (1353);

go up nail mechanism (137) including vertical fixed mounting fixed column (1371), fixed mounting in rotor plate (131) are in dull and stereotyped (1372) on fixed column (1371) top, run through fixed column (1371) reaches defeated material passageway (1373), coaxial rotation of dull and stereotyped (1372) are installed fixed column (1371) bottom and nut (1374) of being connected with drive mechanism (136) power wear to establish defeated material passageway (1373) in and with nut (1374) screw-thread fit's screw rod (1375), fixed mounting fixed column (1371) one side and with bin (1376) of defeated material passageway (1373) intercommunication, set up baffle (1377), the elastic mounting of bin (1376) feed inlet department baffle (1377) one side and with contradict nail (1378), symmetrical rotation that the push pedal set up in bin (1376) install defeated material passageway (1373) both sides and one end are outstanding two outlet (1378) that dull and stereotyped (2) plane set up A set of L-shaped rods (1379); the L-shaped rod (1379) is arranged in a unidirectional rotating mode, and the other end of the L-shaped rod extends into the material conveying channel (1373).

2. The office sofa processing and assembling device according to claim 1, wherein the moving assembly (12) comprises a sliding rail (121) installed inside the mounting frame (11), a sliding block (122) correspondingly and slidably arranged in the sliding rail (121), a pair of guide rails (123) vertically and fixedly installed on the sliding block (122), a moving block (124) correspondingly and vertically slidably arranged on the guide rails (123), a spring (125) elastically connecting the guide rails (123) and the moving block (124), a vertical rod (126) vertically and fixedly installed on the moving block (124), and a chain (127) located on one side of the mounting frame (11) and fixedly connected with the top ends of the pair of guide rails (123); the rotating plate (131) is rotatably installed between the two sets of moving blocks (124).

3. The office sofa processing and assembling device according to claim 2, wherein the driving mechanism b (134) comprises an arc-shaped groove (1341) formed in a side surface of the moving block (124), a gear b (1342) fixedly installed on a side surface of the rotating plate (131) and rotating through the arc-shaped groove (1341), two sets of racks b (1343) sequentially arranged along a rotating direction of the gear b (1342) and arranged on two sides of a rotating path of the gear b (1342) to be engaged with the gear b (1342), and a worm gear transmission assembly (1344) arranged inside the rotating plate (131) and dynamically connected with the gear b (1342).

4. The office sofa processing and assembling equipment according to claim 1, wherein the limiting component a (222) comprises a sliding rod (2221) which is arranged at the bottom of the iron sheet feeding box (22) in a left-right transverse sliding manner and is abutted against the limiting block (21); the other end of the sliding rod (2221) is abutted against the iron sheet.

5. The office sofa processing and assembling device according to claim 1, wherein the limiting component b (232) comprises two sets of limiting bars (2321) vertically fixed in the serpentine spring feeding box (23), two sets of cross bars (2322) symmetrically arranged and transversely slidably arranged at the bottom ends of the limiting bars (2321), an arc-shaped plate (2323) correspondingly fixedly installed at the end of the cross bar (2322) and abutting against the serpentine spring, a boss (2324) fixedly installed on the limiting block (21), and a limiting rod (2325) vertically slidably arranged at the bottom of the limiting bars (2321) and abutting against the boss (2324); the limiting rod (2325) comprises a protruding part (23251) and a matching part (23252), wherein the protruding part (23251) and the matching part are vertically arranged and abut against the cross rod (2322).

6. The office sofa processing and assembling apparatus according to claim 1, wherein the cutter mechanism (243) comprises a cutter (2431) located at the feeding end of the shaping zone (240) and extending into the shaping zone (240), a moving bar (2432) transversely slidably disposed on the contact plate (242), a protrusion (2433) fixedly mounted on the moving bar (2432) and disposed to abut against the cutter (2431), and a moving plate (2434) transversely slidably disposed at the other end of the shaping zone (240) relative to the cutter (2431) and elastically connected to the moving bar (2432); the cutter (2431) is elastically arranged on the contact plate (242) in a sliding manner; the moving plate (2434) is arranged on the inner wall of the shaping box (241) in a sliding mode and is located in the shaping area (240).

7. The office sofa processing and assembling apparatus according to claim 1, wherein the power mechanism (244) comprises a rotating shaft a (2441) erected on the lifting apparatus (31), two sets of racks c (2442) vertically and fixedly installed on the pressing plate (32) and located at two sides of the rotating shaft a (2441), a gear c (2443) installed on the rotating shaft a (2441) through a ratchet assembly a (2440) and correspondingly engaged with the two sets of racks c (2442), a rotating shaft b (2444) erected above the mounting frame (11), a pulley assembly a (2445) drivingly connecting the rotating shaft a (2441) and the rotating shaft b (2444), and a turntable a (2446) coaxially and fixedly installed on the rotating shaft b (2444) and abutted against the contact plate (242); and a plurality of groups of limit platforms a (24461) are arranged at the edge of the turntable a (2446) in a circumferential array.

8. The office sofa processing and assembling equipment according to claim 7, wherein the unwinding assembly (25) comprises a mounting table (251), a rotating shaft c (253) disposed at one side of the mounting table (251) and in power connection with the rotating shaft b (2444) through a belt pulley assembly b (252), a rotating disc b (254) coaxially and fixedly mounted on the rotating shaft c (253), a rotating table (255) rotatably mounted on the mounting table (251), a gear d (257) in power connection with the rotating table (255) through a ratchet assembly b (256), and a rack d (258) slidably disposed on the mounting table (251) and engaged with the gear d (257); the rack d (258) is abutted against the rotary disc b (254); and a plurality of groups of limit tables b (2541) are arranged at the edge of the rotary disc b (254) in a circumferential array mode.

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