CN112496692B - Snake spring mounting equipment for furniture - Google Patents

Abstract

The invention relates to a snake spring installation device for furniture, which comprises a conveying device, a fixing device, a feeding device, a binding device and a grabbing device, wherein the conveying device is arranged on the conveying device; the transportation device comprises a mounting frame and a plurality of groups of moving components; the moving assembly comprises two groups of moving blocks which are arranged in a vertically sliding mode and a rotating plate which is rotatably arranged between the two groups of moving blocks; the fixing device comprises a transverse moving assembly arranged on the rotating plate in a sliding mode, two groups of square holes symmetrically formed in the rotating plate, an adjusting assembly capable of rotating into the corresponding square holes and a pressing assembly rotatably arranged on the adjusting assembly; the binding device comprises a steel nail gun component capable of moving downwards and a pressing plate for driving the moving block to move downwards; the gripping device comprises an object placing table, a strip attaching device, a conveying assembly sequentially passing through the object placing table, a steel nail gun assembly and the strip attaching device, a plurality of groups of gripping assemblies arranged on the conveying assembly, and a power assembly correspondingly arranged in the gripping assemblies and in power connection with the steel nail gun assembly.

Description

Snake spring mounting equipment for furniture

Technical Field

The invention relates to the field of furniture production equipment, in particular to a serpentine spring mounting device for furniture.

Background

The sofa is a multi-seat chair with soft cushion, the backrest chair is provided with springs or thick foam plastics, etc., the two sides of the backrest chair are armrests, the sofa is one of soft furniture, the sofa uses wood in the production and processing process, wherein, the wood strips are bound into a chair frame, and then the chair frame is required to be provided with the coil springs and the rubber strips to ensure the chair frame to have elasticity.

The utility model discloses a chinese patent application number is CN 201620720829.3's utility model discloses a snake spring fastener assembly machine, which comprises a frame, it is connected with the coil stock roller to rotate in the frame, the frame slides along vertical direction and is connected with the punching press head, the frame is equipped with the transfer orbit that is used for conveying the snake spring and detains, the transfer orbit is equipped with and is located between the adjacent snake spring and detains and contradict in the propulsion piece that the snake spring was detained, propulsion piece rotates to be connected in transfer orbit and realizes promoting the snake spring and detain the forward movement. The utility model provides a can realize carrying out a snake spring and detain assembly machine of assembly continuously.

However, the device only realizes the installation of the serpentine spring buckle, the installation of the serpentine spring cannot be realized, and the installation position of the serpentine spring buckle is influenced by the fact that the installation position of the serpentine spring buckle is subjected to error due to friction generated between the batten and the limiting plate when the batten is conveyed on the conveying roller through the limiting plate.

Disclosure of Invention

Aiming at the problems, the invention provides a serpentine spring installation device for furniture, which drives a serpentine spring above a rotating plate to transversely move through a transverse moving assembly, so that two end parts of the serpentine spring are clamped with buckles, the buckles are firstly rotated to open outwards and then fixed with the serpentine spring under the sequential action of an adjusting assembly and a pressing assembly, the serpentine spring and the buckles move to the lower part of a steel nail gun assembly along with the rotating plate, meanwhile, a grabbing assembly grabs a sofa seat frame to be provided with the serpentine spring and grabs the sofa seat frame and sends the sofa seat frame to the right lower part of the steel nail gun assembly, and when the three components are aligned, the steel nail gun assembly downwards moves to install a plurality of groups of serpentine springs on the sofa seat frame simultaneously, so that the technical problem that the mounting position of the serpentine spring is inaccurate due to the fact that the serpentine spring is easily displaced in the conveying process of a frame or a batten with the serpentine spring in the prior art is solved.

The invention provides the following technical scheme for achieving the purpose:

a serpentine spring mounting apparatus for furniture, comprising:

the transportation device comprises a mounting frame and a moving assembly, and the mounting frame is arranged in a rotary manner; the plurality of groups of moving assemblies move along the path of the mounting rack, and each moving assembly comprises two groups of moving blocks which are symmetrically arranged and can slide up and down and a rotating plate which is rotatably arranged between the two groups of moving blocks;

the fixing device comprises a transverse moving assembly arranged on the rotating plate in a left-right sliding mode, two groups of square holes symmetrically formed in the length direction of the rotating plate and used for placing iron sheets, an adjusting assembly rotatably installed in the rotating plate and capable of entering the corresponding square holes, and a pressing assembly rotatably installed on the adjusting assembly and in power connection with the adjusting assembly; the adjusting assembly is in power connection with the traversing assembly;

the feeding device comprises a serpentine spring feeding box erected above the mounting frame, a striker plate correspondingly installed on the moving block and arranged right opposite to the rotating plate, and a limiting assembly which is arranged at a discharge port at the bottom of the serpentine spring feeding box in a sliding manner and can be abutted against the transverse moving 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 steel nail gun assembly fixedly connected with the power output section of the lifting equipment and aligned with the square hole correspondingly, and a pressing plate which is elastically arranged below the steel nail gun assembly and abutted against the moving assembly;

the grabbing device comprises an object placing table, a strip attaching device arranged on one side of the object placing table, a conveying assembly arranged between the mounting frame and the object placing table in a rotating mode, a plurality of groups of grabbing assemblies arranged on the conveying assembly and a power assembly correspondingly arranged in the grabbing assemblies and in power connection with the steel nail gun assembly; the grabbing component sequentially passes through the object placing table, the steel nail gun component and the strip attaching device.

As an improvement, the moving assembly further comprises a slide rail mounted on the inner side of the mounting frame, a slide block correspondingly slidably disposed in the slide rail, a pair of vertical fixed mounts mounted on the slide block and used for slidably mounting the guide rail of the moving block, a spring elastically connected to the guide rail and the moving block, a vertical rod vertically fixedly mounted on the moving block and abutted against the pressing plate, a chain located on one side of the mounting frame and fixedly connected to the top end of the guide rail, and a driving mechanism for driving the rotating plate to rotate.

As an improvement, the driving mechanism comprises a gear a which is arranged between the sliding block and the moving block and is coaxially fixed with the rotating plate, and a rack a which is fixedly arranged below the guide rail and can be meshed with the gear a.

As an improvement, the traversing assembly comprises a sliding frame which is elastically arranged in the rotating plate in a sliding manner, two groups of limiting blocks which are arranged above the rotating plate in a sliding manner and fixedly connected with the sliding frame, a guide rod which is fixedly arranged below the sliding frame and extends out of the rotating plate, and a guide groove which extends along the advancing direction of the moving assembly; the guide groove is wave-shaped, and the guide rod can move along the guide groove.

As an improvement, the adjustment subassembly includes fixed mounting and is in mount pad in the rotor plate, rotate through the torsional spring and install dwang, fixed mounting on the mount pad are in the dwang tip just can get into the layer board of square hole, erect mount pad top and with the pin that the dwang can conflict the setting, with the gear b of the coaxial fixed setting of pivot of dwang and with carriage fixed connection and with the rack b that gear b meshing set up.

As the improvement, press the subassembly to include to rotate through the torsional spring and install the layer board is close to the L-square of rotor plate tip one end, slide and set up the layer board bottom and with slide bar, the fixed mounting that the L-square can conflict and set up are in rack c, the rotation of slide bar below are installed on the dwang and with gear c and the coaxial fixed mounting that rack c meshing set up are in the pivot of dwang and with gear d that gear c can mesh and set up.

As an improvement, spacing subassembly includes vertical fixing in the snake spring feeding incasement and with two sets of the stopper can align two sets of spacing, symmetry setting and the lateral sliding setting that set up are in two sets of horizontal poles of spacing bottom, correspond fixed mounting and be in the horizontal pole tip and with arc, the fixed mounting that the snake spring can conflict and set up boss and upper and lower slip setting on the stopper are in spacing bottom and with the gag lever post that the boss can conflict and set up, the gag lever post including set up from top to bottom and with bellying and cooperation that the horizontal pole contradicted and set up.

As an improvement, the steel nail gun assembly comprises a transverse plate fixedly connected with the power output end of the lifting device and steel nail guns fixedly arranged at two ends of the transverse plate in the length direction and capable of extending into the rotating plate.

As an improvement, the grabbing component comprises a fixed seat fixedly mounted on the conveying component, a mounting plate fixedly mounted on the fixed seat and alignable with the transverse plate, and two groups of clamping plates symmetrically and slidably arranged on the mounting plate.

As an improvement, the power assembly comprises a rotating shaft rotatably mounted in the middle of the mounting plate, two groups of gears e symmetrically rotatably mounted on two sides of the mounting plate, two groups of belt pulley assemblies correspondingly connected with the rotating shaft and the gears e in a transmission manner, a gear f coaxially and fixedly mounted in the middle of the rotating shaft, two groups of racks d correspondingly and fixedly connected with the clamping plates and meshed with the gears f, and two groups of racks e fixedly connected with the transverse plates and respectively meshed with two adjacent gears e on two mounting plates for continuous conveying; and a ratchet wheel assembly is arranged in the gear e.

The invention has the beneficial effects that:

(1) According to the sofa seat frame, the grabbing assembly accurately sends the sofa seat frame to the position below the steel nail gun assembly, and when a plurality of groups of serpentine springs are located right above the sofa frame, the steel nail gun assembly moves downwards to accurately install the plurality of groups of serpentine springs on the sofa seat frame, so that the quality of the sofa can be improved;

(2) Two groups of racks e are simultaneously meshed with two adjacent gears e on two continuously conveyed mounting plates, a processed sofa seat frame is placed on a storage table by a clamping plate on one mounting plate, the sofa seat frame to be processed on the storage table is clamped by a clamping plate on the other mounting plate, and the conveying device can realize feeding and storage at the same time, so that the production efficiency is greatly improved;

(3) In the invention, one end of the coil spring is firstly clamped with the buckle under the action of the transverse moving assembly, and then the transverse moving assembly drives the other end of the coil spring to be clamped with the buckle, the clamped buckle is turned over for 180 degrees under the action of the clamped buckle supporting plate, then the supporting plate stops rotating, the right-angle plate automatically rotates and is matched with the supporting plate to press the buckle, so that the coil spring and the buckle are not displaced, and the coil spring is prevented from falling off when the sofa is used;

(4) When the serpentine springs and the buckles move below the pressing plate, the rotating plate moves downwards under the action of the pressing plate and presses the buckles and the serpentine springs on the sofa seat frame, then the steel nail gun assembly fixes the buckles and the sofa seat frame, and the speed of the conveying assembly for conveying the sofa seat frame and the advancing speed of the rotating plate are kept constant, so that the distance between the serpentine springs arranged on the sofa seat frame can be effectively ensured to be constant, and the quality of the sofa seat frame is improved;

(5) Due to the structural characteristics of the serpentine springs, the serpentine springs in segment pairs are easy to wind together, manual sorting is needed, and a large amount of time is needed.

In conclusion, the invention has the advantages of simple structure, ingenious design, high installation efficiency of the serpentine spring, good installation effect of the serpentine spring and the like, and is particularly suitable for the production process of the sofa seat frame.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

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

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

FIG. 5 is an exploded view of the moving assembly;

FIG. 6 is a schematic view of the internal structure of the serpentine spring feeding box;

FIG. 7 is a schematic view of the operation of the position limiting assembly;

FIG. 8 is a schematic view of the traversing assembly;

FIG. 9 is a schematic view of the adjustment assembly;

FIG. 10 is a schematic view of the pressing assembly;

FIG. 11 is a schematic view of a binding state;

FIG. 12 is a schematic view of the grasping apparatus;

FIG. 13 is a schematic view of the internal structure of the mounting plate;

FIG. 14 is a schematic view of a grasping assembly;

FIG. 15 is a schematic view of a ratchet assembly.

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 explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

as shown in fig. 1, a serpentine spring mounting apparatus for furniture includes:

the transportation device 1 comprises a mounting frame 11 and a moving assembly 12, wherein the mounting frame 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 each moving assembly 12 comprises two groups of moving blocks 121 which are symmetrically arranged and can be arranged in a vertical sliding manner and a rotating plate 122 which is rotatably arranged between the two groups of moving blocks 121;

the fixing device 2 comprises a traversing component 21 arranged on the rotating plate 122 in a left-right sliding manner, two groups of square holes 22 symmetrically formed along the length direction of the rotating plate 121 and used for placing iron sheets, an adjusting component 23 rotatably arranged in the rotating plate 121 and capable of entering the corresponding square hole 22, and a pressing component 24 rotatably arranged on the adjusting component 23 and in power connection with the adjusting component 23; the adjusting assembly 23 is in power connection with the traversing assembly 21;

the feeding device 3 comprises a serpentine spring feeding box 31 erected above the mounting frame 11, a striker plate 32 correspondingly mounted on the moving block 121 and arranged right opposite to the rotating plate 122, and a limiting assembly 33 slidably arranged at a discharge port at the bottom of the serpentine spring feeding box 31 and capable of abutting against the traverse moving assembly 21;

the binding device 4 comprises a lifting device 41 arranged at the rear side of the serpentine spring feeding box 23 along the advancing direction of the moving assembly 12, a steel nail gun assembly 42 fixedly connected with a power output section of the lifting device 41 and correspondingly aligned with the square hole 22, and a pressing plate 43 elastically arranged below the steel nail gun assembly 32 and abutted against the moving assembly 12;

the gripping device 5 comprises an object placing table 50, a strip attaching device 51 arranged on one side of the object placing table 50, a conveying assembly 52 rotatably arranged between the mounting frame 11 and the object placing table 50, a plurality of groups of gripping assemblies 53 arranged on the conveying assembly 52, and a power assembly 54 correspondingly arranged in the gripping assemblies 53 and in power connection with the steel nail gun assembly 42; the grabbing component 53 sequentially passes through the object placing table 50, the steel nail gun component 42 and the strip attaching device 51.

It should be noted that the lifting device 41 is a prior art.

It should be noted that, the opening of the buckle 8 is placed inwards in the striker plate 32, and the striker plate 32 is magnetic, so that the buckle 8 can be placed conveniently.

It is worth mentioning that the conveying assembly 52 is a rotary belt conveyor.

It is important to note that, as shown in fig. 1, after the sofa frame 7 is installed with the serpentine spring 6 below the steel nail gun assembly 42, the sofa frame 7 is transported to the welting device 51 for installing the rubber band, and the welting device 51 is an existing robot binding device.

Further, as shown in fig. 2 and 5, the moving assembly 12 further includes a slide rail 129 installed inside the mounting frame 11, a slide block 123 correspondingly slidably disposed in the slide rail 129, a pair of guide rails 124 vertically and fixedly installed on the slide block 123 and used for slidably installing the moving block 121, a spring 125 elastically connecting the guide rails 124 and the moving block 121, a vertical rod 126 vertically and fixedly installed on the moving block 121 and capable of abutting against the pressing plate 43, a chain 127 located on one side of the mounting frame 11 and fixedly connected to top ends of the pair of guide rails 124, and a driving mechanism 128 driving the rotating plate 122 to rotate.

Further, the driving mechanism 128 includes a gear a1281 disposed between the slider 123 and the moving block 121 and coaxially fixed to the rotating plate 122, and a rack a1282 fixedly mounted below the guide rail 124 and meshably disposed with the gear a 1281.

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

More specifically, when the moving block 121 moves downward, the gear a1281 is engaged with the rack a1282, and the rotating plate 122 is driven to rotate.

Further, as shown in fig. 8 to 10, the traverse module 21 includes a sliding frame 211 disposed in the rotating plate 122 in an elastic sliding manner, two sets of limit blocks 212 disposed above the rotating plate 122 in a sliding manner and fixedly connected to the sliding frame 211, a guide rod 213 fixedly installed below the sliding frame 211 and extending out of the rotating plate 122, and a guide slot 214 extending along the advancing direction of the moving module 12; the guide groove 214 is provided in a wave shape and the guide rod 213 is movable along the guide groove 214.

Further, as shown in fig. 6 and 7, the limiting component 33 includes two sets of limiting bars 331 vertically fixed in the serpentine spring feeding box 31 and alignable with the two sets of limiting blocks 212, two sets of cross bars 332 symmetrically disposed and transversely slidably disposed at the bottom ends of the limiting bars 331, an arc plate 333 correspondingly fixedly mounted at the end of the cross bar 332 and configured to abut against the serpentine spring, a boss 334 fixedly mounted on the limiting block 212, and a limiting rod 335 vertically slidably disposed at the bottom of the limiting bar 331 and configured to abut against the boss 334; the limiting rod 335 comprises a protrusion 3351 and a matching part 3352 which are vertically arranged and are abutted against the cross rod 332.

It should be noted that, when the moving plate 122 moves to the lower side of the serpentine spring feeding box 31, the boss 334 abuts against the limit rod 335, the limit rod 335 moves upward, and the cross bar 332 switches from the engagement with the protrusion 3351 to the engagement with the engagement portion 3352, so as to drive the curved plate 333 to disengage from the abutment against the serpentine spring 6, and the serpentine spring 6 can smoothly fall onto the rotating plate 122, and then the boss 334 disengages from the limit rod 335, and the limit rod 335 resets, and the cross bar 332 resets, and since the distance between the lower surface of the serpentine spring feeding box 31 and the upper surface of the rotating plate 122 is the thickness of the serpentine spring 6, the curved plate 333 fixes the serpentine spring 6 at the lowest side of the serpentine spring feeding box 31.

It should be further noted that the rotating plate 122 is provided with a magnet, and the serpentine spring 6 falling onto the rotating plate 122 is clamped between the two sets of the limit blocks 212.

It is important to note that, in the process of moving the moving plate 122 forward, the guide rod 213 moves along the guide groove 214, so that the sliding frame 211 and the two limit blocks 212 move laterally, and further the serpentine spring 6 is driven to move laterally, and the serpentine spring 6 moves left and right to the limit position respectively and cooperates with the striker plate 32, so that both ends of the serpentine spring 6 are connected to the buckle 8 in a clamping manner.

Further, as shown in fig. 9 and 10, the adjusting assembly 23 includes a fixed mounting in the mounting seat 231 in the rotating plate 122, a rotating rod 232 installed on the mounting seat 231 through a torsion spring, a fixed mounting at the end of the rotating rod 232 and capable of entering the supporting plate 233 of the square hole 22, a blocking rod 234 erected above the mounting seat 231 and capable of being abutted against the rotating rod 232, a gear b235 coaxially and fixedly arranged with the rotating shaft of the rotating rod 232, and a rack b236 fixedly connected with the sliding frame 211 and engaged with the gear b 235.

It should be noted that, after one end of the serpentine spring 6 is clamped with the buckle 8, in the process that the traverse moving assembly 21 moves to the reset position, after the buckle 8 passes through the square hole 22, due to gravity, an opening of the buckle 8 faces downward, and the rack b236 is engaged with the gear b235, so that the rotating rod 232 rotates to drive the supporting plate 233 to rotate, the supporting plate 233 collides with the buckle 8 to drive the buckle 8 to rotate, the buckle 8 rotates to the outside, and the supporting plate 233 enters the square hole 22 and the upper surface of the supporting plate 233 is flush with the rotating plate 122.

Further, as shown in fig. 9 and 10, the pressing component 24 includes a right-angle plate 241 rotatably installed at one end of the supporting plate 233 close to the end of the rotating plate 122 through a torsion spring, a sliding rod 242 slidably disposed at the bottom of the supporting plate 233 and capable of abutting against the right-angle plate 241, a rack c243 fixedly installed below the sliding rod 242, a gear c244 rotatably installed on the rotating rod 232 and engaged with the rack c243, and a gear d245 coaxially and fixedly installed on the rotating shaft of the rotating rod 232 and capable of being engaged with the gear c 244.

It should be noted that, after one end of the serpentine spring 6 is clamped with the buckle 8, and the traverse moving assembly 21 continues to move after moving and resetting, at this time, the stop lever 234 collides with the rotating lever 232, the supporting plate 233 stops rotating, then the gear b235 continues to rotate, the gear d245 continues to rotate, and further the gear c244 continues to rotate, and further the rack c243 is driven to move, so as to drive the sliding rod 242 to rotate, the sliding rod 242 drives the right-angle plate 241 to rotate, and the right-angle plate 241 cooperates with the supporting plate 233 to press the opening of the buckle 8, so that the buckle 8 and the serpentine spring 6 are fixed.

It should be noted that both ends of the serpentine spring 6 are fixed to the buckle 8 through the above-mentioned process.

Further, as shown in fig. 3 and 11, the nail gun assembly 42 includes a horizontal plate 421 fixedly connected to the power output end of the lifting device 41, and nail guns 422 fixedly installed at both ends of the horizontal plate 421 in the length direction and capable of extending into the rotating plate 122.

It should be noted that, when a plurality of groups of the rotating plates 122 move to the lower side of the pressing plate 43, the lifting device 41 drives the nail gun assembly 42 and the pressing plate 43 to move downwards, and the pressing plate 43 abuts against the vertical rod 126 to push the moving block 121 to move downwards, so as to drive the rotating plates 122 to move downwards.

It should be noted that after the rotating plate 122 rotates 180 °, the rotating plate 122 makes the coil spring 6 and the buckle 8 tightly contact the sofa frame 7, then the lifting device 41 moves downward continuously, the nail gun assembly 42 extends into the rotating plate 122, then the nail gun 422 drives a nail into the sofa frame 7, and the buckle 8 and the sofa frame 7 are fixed.

It should be noted that, in order to fix the buckle 8 and the sofa frame 7 by the nail gun 422, the pressing plate 43, the rotating plate 133 and the supporting plate 233 are provided with process holes.

Further, as shown in fig. 4 and 12, the grabbing assembly 53 includes a fixing base 531 fixedly installed on the conveying assembly 52, a mounting plate 532 fixedly installed on the fixing base 531 and alignable with the cross plate 421, and two sets of clamping plates 533 symmetrically and slidably installed on the mounting plate 532.

It should be noted that the object placing table 50 can be aligned with the two sets of the mounting plates 532 at the same time, and the object placing table 50 is further provided with a limiting strip 501, the limiting strip 501 is beneficial to positioning the sofa frame 7 to be mounted with the serpentine spring 6, and further, the grabbing precision of the grabbing assembly 53 on the sofa frame 7 is ensured.

Further, as shown in fig. 13 to 15, the power assembly 54 includes a rotating shaft 541 rotatably installed at the middle position of the mounting plate 532, two sets of gears e542 symmetrically and rotatably installed at the two sides of the mounting plate 532, two sets of pulley assemblies 543 correspondingly and drivingly connected with the rotating shaft 541 and the gears e542, a gear f544 coaxially and fixedly installed at the middle position of the rotating shaft 541, two sets of racks d545 correspondingly and fixedly connected with the clamping plates 533 and meshed with the gear f544, and two sets of racks e546 fixedly connected with the horizontal plate 421 and simultaneously meshed with two adjacent gears e542 on two continuously conveyed mounting plates 532; a ratchet assembly 5421 is arranged in the gear e 542.

It should be noted that, when the pressing plate 43 faces the sofa frame 7, the object placing table 50 faces two sets of the mounting plates 532, at this time, the sofa frame 7 to be processed is manually placed on the object placing table 50 and aligned with the mounting plates 532 on the front side in the rotation direction of the conveying assembly 52, then when the pressing plate 43 moves downward, the pressing plate 43 drives two sets of the racks e546 to move downward between the two sets of the mounting plates 532, and the racks e546 are engaged with the gears e542 and drive the gears e542 to rotate, and further the belt pulley assembly 543 drives the rotating shaft 541 and the gears f544 to rotate, so as to drive two sets of the racks d545 to rotate, and further two sets of the clamping plates 53 on the mounting plates 532 to move correspondingly.

More specifically, the two sets of clamping plates 533 on the mounting plate 532 located at the front side of the conveying direction of the conveying assembly 52 are close to each other to fix the sofa frame 7; the two sets of clamping plates 533 on the mounting plate 532 located at the rear side in the conveying direction of the conveying assembly 52 are laid down away from each other to put down the finished sofa frame 7 and are manually taken out.

It should be noted that, under the action of the ratchet assembly 5421, the rack e546 drives the gear e542 to idle in the process of resetting the pressing plate 43.

The working process is as follows:

manually placing the serpentine spring 6 in the serpentine spring feeding box 31 in order, manually placing the opening of the buckle 8 inward at the striker 32 before the rotating plate 122 moves below the serpentine spring feeding box 31, and then when the rotating plate 122 moves below the serpentine spring feeding box 31, the boss 334 collides with the limit rod 335, the limit rod 335 moves upward, and the cross bar 2322 switches from cooperating with the boss 23251 to cooperating with the cooperating portion 23252, and further drives the curved plate 332 to disengage from colliding with the serpentine spring 6, so that the serpentine spring 6 can smoothly fall onto the rotating plate 122 and be adsorbed by the rotating plate 122, and then the boss 334 disengages from the limit rod 335, the limit rod 335 resets accordingly, and further the cross bar 332 resets, and the curved plate 333 fixes the serpentine spring 6 at the lowest position of the serpentine spring feeding box 31, then the rotating plate 122 carrying the serpentine spring 6 moves forward, the guide rod 213 moves along the guide slot 214, so that the sliding frame 211 and the two limit blocks 212 move laterally, and further the serpentine spring 6 is driven to move laterally, after one end of the serpentine spring 6 is clamped with the buckle 8, the sliding frame 211 moves to the process of resetting, after the buckle 8 passes through the square hole 22, due to gravity, the opening of the buckle 8 faces downward, the rack b236 is engaged with the gear b235, and further the rotating rod 232 rotates, so as to drive the support plate 233 to rotate, the support plate 233 interferes with the buckle 8 and drives the buckle 8 to rotate, the buckle 8 rotates to the outside, and the support plate 233 enters the square hole 22 and the upper surface is flush with the rotating plate 122, then the sliding frame 211 continues to move, at this time, the stop lever 234 collides with the rotating lever 232, the supporting plate 233 stops rotating, then the gear b235 continues rotating, the gear d245 continues rotating, further the gear c244 continues rotating, further the rack c243 is driven to move, further the sliding rod 242 is driven to rotate, the sliding rod 242 drives the right-angle plate 241 to rotate, the right-angle plate 241 cooperates with the supporting plate 233 to press the opening of the buckle 8, further the buckle 8 is fixed with the serpentine spring 6, meanwhile, the other end of the serpentine spring 6 is also clamped with the buckle 8, and through the above processes, the buckle 8 and the serpentine spring 6 are fixed, then the rotating plate 122 faces below the pressing plate 43, and simultaneously, the conveying assembly 52 conveys the sofa frame 7 to a position right below the pressing plate 43, when the pressing plate 43, the plurality of sets of the rotating plates 122 and the sofa frame 7 are aligned, the lifting device 41 drives the nail gun assembly 42 and the pressing plate 43 to move downwards, the pressing plate 43 is abutted against the vertical rods 126 to further push the plurality of sets of the moving blocks 121 to move downwards synchronously, the rotating plate 122 rotates 180 degrees under the action of the corresponding gear a1281 and the rack a1282, the rotating plate 122 enables the serpentine spring 6 and the buckle 8 to be tightly attached to the sofa frame 7, then the lifting device 41 moves downwards continuously, the nail gun 422 extends into the rotating plate 122, then the nail gun 422 drives nails into the sofa frame 7, further the buckle 8 and the sofa frame 7 are fixed, so that the sofa frame 7 is provided with the plurality of sets of the serpentine springs 6 at equal intervals, then the conveying assembly 52 conveys the sofa frame 7 to the strip attaching device 51 for attaching rubber strips, then, the conveying assembly 52 conveys the sofa frame 7 to the upper side of the object placing table 50, at this time, along with the downward movement of the steel nail gun assembly 42, the rack e546 is engaged with the gear e542 and drives the gear e542 to rotate, and then the belt pulley assembly 543 drives the rotating shaft 541 and the gear f544 to rotate, so as to drive the two sets of racks d545 to rotate, and further the two sets of clamping plates 533 to move outward, so that the sofa frame 7 below the mounting plate 532 is manually taken out, then the conveying assembly 52 drives the mounting plate 532 to move forward by a certain distance and to be located above the object placing table 50, at this time, the sofa frame 7 to be processed is manually placed below the mounting plate 532, and the steel nail gun assembly 42 moves downward, and the other rack e546 is engaged with the gear e542 on the other side of the mounting plate 532, and finally the two sets of clamping plates 533 are driven to close to fix and convey the sofa frame 7 backward.

Claims (10)

1. A serpentine spring mounting apparatus for furniture, comprising:

the transportation device (1) comprises a mounting frame (11) and a moving assembly (12), wherein the mounting frame (11) is arranged in a rotary manner; a plurality of groups of moving assemblies (12) move along the path of the mounting rack (11), wherein each moving assembly (12) comprises two groups of moving blocks (121) which are symmetrically arranged and can be arranged in a vertically sliding manner and a rotating plate (122) which is rotatably arranged between the two groups of moving blocks (121);

the fixing device (2) comprises a transverse moving assembly (21) arranged on the rotating plate (122) in a left-right sliding mode, two groups of square holes (22) symmetrically formed in the length direction of the rotating plate (122) and used for placing iron sheets, an adjusting assembly (23) rotatably installed in the rotating plate (122) and capable of entering the corresponding square holes (22), and a pressing assembly (24) rotatably installed on the adjusting assembly (23) and in power connection with the adjusting assembly (23); the adjusting component (23) is in power connection with the traversing component (21);

the feeding device (3) comprises a serpentine spring feeding box (31) erected above the mounting frame (11), a material baffle (32) correspondingly installed on the moving block (121) and arranged right opposite to the rotating plate (122), and a limiting component (33) which is arranged at a discharge port at the bottom of the serpentine spring feeding box (31) in a sliding mode and can be abutted against the transverse moving component (21);

the binding device (4) comprises a lifting device (41) arranged at the rear side of the serpentine spring feeding box (31) along the advancing direction of the moving assembly (12), a steel nail gun assembly (42) fixedly connected with the power output end of the lifting device (41) and correspondingly aligned with the square hole (22), and a pressing plate (43) which is elastically arranged below the steel nail gun assembly (42) and can be abutted against the moving assembly (12);

the gripping device (5) comprises an object placing table (50), a strip attaching device (51) arranged on one side of the object placing table (50), a conveying assembly (52) rotatably arranged between the mounting frame (11) and the object placing table (50), a plurality of groups of gripping assemblies (53) arranged on the conveying assembly (52), and a power assembly (54) correspondingly arranged in the gripping assemblies (53) and in power connection with the steel nail gun assembly (42); the grabbing component (53) sequentially passes through the object placing table (50), the steel nail gun component (42) and the strip attaching equipment (51).

2. The device for mounting a serpentine spring for furniture according to claim 1, wherein the moving assembly (12) further comprises a slide rail (129) installed inside the mounting frame (11), a slide block (123) correspondingly slidably disposed in the slide rail (129), a pair of guide rails (124) vertically and fixedly installed on the slide block (123) and used for slidably mounting the moving block (121), a spring (125) elastically connecting the guide rails (124) and the moving block (121), a vertical rod (126) vertically and fixedly installed on the moving block (121) and capable of abutting against the pressing plate (43), 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 (124), and a driving mechanism (128) for driving the rotating plate (122) to rotate.

3. A snake spring mounting device for furniture according to claim 2, wherein said driving mechanism (128) comprises a gear a (1281) disposed between said slider (123) and said moving block (121) and coaxially fixed with said rotating plate (122), and a rack a (1282) fixedly mounted under said guide rail (124) and engaged with said gear a (1281).

4. A serpentine spring mounting device for furniture according to claim 1, wherein the traverse assembly (21) includes a sliding frame (211) slidably disposed in the pivotal plate (122) in an elastic manner, two sets of stoppers (212) slidably disposed above the pivotal plate (122) and fixedly connected to the sliding frame (211), a guide rod (213) fixedly mounted below the sliding frame (211) and extending out of the pivotal plate (122), and a guide groove (214) extending in a forward direction of the moving assembly (12); the guide groove (214) is provided in a wave shape and the guide bar (213) moves along the guide groove (214).

5. A serpentine spring mounting apparatus for furniture according to claim 4, wherein the adjustment member (23) includes a mounting seat (231) fixedly mounted in the rotary plate (122), a rotary rod (232) rotatably mounted on the mounting seat (231) through a torsion spring, a support plate (233) fixedly mounted at an end of the rotary rod (232) and capable of entering the square hole (22), a stopper rod (234) erected above the mounting seat (231) and capable of abutting against the rotary rod (232), a gear b (235) fixedly provided coaxially with a rotation axis of the rotary rod (232), and a rack b (236) fixedly connected with the sliding frame (211) and engaged with the gear b (235).

6. A snake spring mounting device for furniture according to claim 5, wherein the pressing assembly (24) comprises a right-angle plate (241) rotatably mounted at one end of the supporting plate (233) close to the end of the rotating plate (122) through a torsion spring, a sliding rod (242) slidably disposed at the bottom of the supporting plate (233) and arranged to interfere with the right-angle plate (241), a rack c (243) fixedly mounted below the sliding rod (242), a gear c (244) rotatably mounted on the rotating rod (232) and arranged to mesh with the rack c (243), and a gear d (245) coaxially fixedly mounted on the rotating shaft of the rotating rod (232) and arranged to mesh with the gear c (244).

7. The serpentine spring installation device for furniture according to claim 4, wherein the limiting component (33) comprises two sets of limiting bars (331) vertically fixed in the serpentine spring feeding box (31) and aligned with the two sets of limiting blocks (212), two sets of cross bars (332) symmetrically arranged and transversely slidably arranged at the bottom ends of the limiting bars (331), an arc-shaped plate (333) correspondingly fixedly arranged at the end of the cross bar (332) and capable of abutting against the serpentine spring, a boss (334) fixedly arranged on the limiting block (212), and a limiting rod (335) vertically slidably arranged at the bottom of the limiting bar (331) and capable of abutting against the boss (334), wherein the limiting rod (335) comprises a protrusion (3351) and a matching portion (3352) vertically arranged and capable of abutting against the cross bar (332).

8. A serpentine spring mounting device for furniture according to claim 1, wherein the nail gun assembly (42) includes a cross plate (421) fixedly connected to the power output end of the lifting device (41), and nail guns (422) fixedly installed at both ends of the length direction of the cross plate (421) and extending into the interior of the pivotal plate (122).

9. A serpentine spring mounting device for furniture according to claim 8, characterized in that said gripping member (53) comprises a fixed seat (531) fixedly mounted on said conveyor member (52), a mounting plate (532) fixedly mounted on said fixed seat (531) and aligned with said transverse plate (421), and two sets of clamping plates (533) symmetrically slidably mounted on said mounting plate (532).

10. A serpentine spring mounting device for furniture according to claim 9, wherein said power unit (54) comprises a rotation shaft (541) rotatably mounted at a middle position of a mounting plate (532), two sets of gears e (542) symmetrically and rotatably mounted at two sides of said mounting plate (532), two sets of pulley units (543) correspondingly and drivingly connected with said rotation shaft (541) and said gears e (542), a gear f (544) coaxially and fixedly mounted at a middle position of said rotation shaft (541), two sets of racks d (545) correspondingly and fixedly connected with said clamp plate (533) and meshed with said gear f (544), and two sets of racks e (546) fixedly connected with said cross plate (421) and respectively meshed with two adjacent gears e (542) of two said mounting plates (532) which are continuously transported; and a ratchet wheel assembly (5421) is arranged in the gear e (542).

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