CN214483943U - Chair and fabric mounting device of chair frame thereof - Google Patents
Chair and fabric mounting device of chair frame thereof Download PDFInfo
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- CN214483943U CN214483943U CN202022560825.2U CN202022560825U CN214483943U CN 214483943 U CN214483943 U CN 214483943U CN 202022560825 U CN202022560825 U CN 202022560825U CN 214483943 U CN214483943 U CN 214483943U
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Abstract
The utility model discloses a chair and a fabric mounting device of a chair frame thereof, which comprises a frame and a turntable arranged on the frame; the turntable is rotatably mounted on the rack, the upper surface of the turntable is a workbench, and two pressing assemblies are arranged on the workbench; the two pressing components are respectively positioned on the left half section and the right half section of the workbench; the pressing assembly comprises a pressing piece and a second air cylinder, and the second air cylinder is fixedly arranged on the workbench; the second cylinder drives the two pressing pieces to move oppositely to press the left side and the right side of the chair frame and force the chair frame to generate pre-deformation; according to the technical scheme, the chair frame can be compressed, the fabric can be tightened and the fabric can be installed by only one operator, so that the working efficiency is greatly improved.
Description
Technical Field
The utility model relates to a chair technical field especially relates to a chair and surface fabric installation device of chair frame thereof.
Background
In the production process of the chair, the cut fabric needs to be nailed to the backrest or the cushion of the chair by a gun, most of the existing furniture manufacturers use a manual nailing mode, the mode is slow in efficiency, the position of the nailed nail is easy to make mistakes, the integral image of the chair is influenced, in addition, when the chair is wrapped, the position of the fabric is not accurately controlled, the fabric is easy to be twisted into a group by workers for nailing, rework is required when the deviation is large, and particularly, the cost loss is large for the leather fabric;
therefore, chinese patent document with publication number CN208755439U discloses a back of the chair foreskin auxiliary device, the on-line screen storage device comprises a base, the top of base is equipped with back of the chair support, back of the chair support's both sides are equipped with a plurality of evenly distributed's fixation clamp, the fixation clamp includes the handle, the pivot, the clamping piece, the spacing collar, the pivot runs through the junction of handle and clamping piece, the pivot passes through fixation clamp leg joint in back of the chair support, the handle is equipped with the packing ring with the pivot junction, the packing ring cover is in the pivot, spacing collar packing ring and spacing collar coaxial arrangement, the spacing collar is the ring form, ring one side is the plane, one side is the high curved surface of one end low, curved surface smooth connection, the clamping piece is the arc of central angle 90, the clamping piece inner circle is equipped with the block rubber, the utility model discloses can the accurate position of fixing back of the chair and back of the chair parcel surface fabric, the workman of being convenient for the nailing gun nailing, improve product quality and work efficiency.
However, those skilled in the art will find that the above-mentioned device also has the following disadvantages:
1) the chair frame generally has certain elasticity, and meanwhile, in order to ensure the tightness of the fabric, when the fabric is nailed and fixed through a nail gun, the chair frame needs to be subjected to a large external force so as to be in a compressed and tightened state;
2) the device can only assist the nailing operation of the nail gun of the fabric aiming at the same chair frame due to fixed size;
3) the cross beam near the fixing part of the headrest part in the device can seriously obstruct the nailing operation of the nail gun for the part of the chair frame;
4) when the fabric of the chair frame is nailed through the device, the part of the chair frame farthest away from people exceeds the length of arms of people, so that people cannot stand in one place to finish all nailing operations of the fabric by using the nail guns;
5) the device can only clamp and fix the fabric, but cannot fix the chair frame, so that when the fabric is nailed by a nail gun, the problem of inaccurate fabric position control and the like still exists due to the movement of the chair frame.
Disclosure of Invention
In order to solve the problem, the utility model aims to overcome the not enough of prior art, provide a chair and chair frame's surface fabric installation device, through the device only need an operating personnel alright accomplish the chair frame compress tightly, the surface fabric tighten and the installation of surface fabric, very big improvement work efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fabric mounting device of a chair frame is characterized by comprising a frame and a turntable arranged on the frame; the turntable is rotatably mounted on the rack, the upper surface of the turntable is a workbench, and two pressing assemblies are arranged on the workbench; the two pressing components are respectively positioned on the left half section and the right half section of the workbench; the pressing assembly comprises a pressing piece and a second air cylinder, and the second air cylinder is fixedly arranged on the workbench; the second cylinder drives the two pressing pieces to move oppositely to press the left side and the right side of the chair frame and force the chair frame to generate predeformation.
Preferably, the workbench is further provided with two stretching assemblies, the two stretching assemblies are respectively located on the left half section and the right half section of the workbench, and the two stretching assemblies are located in front of the two pressing assemblies.
Preferably, the stretching assembly comprises a support, stretching pieces and first cylinders used for driving the stretching pieces to move, the support is fixedly installed on the workbench, the first cylinders are fixedly installed on the upper half portion of the support, and the two first cylinders drive the two stretching pieces to pull the steel wire rope so that the steel wire rope and the fabric are tightly attached to the periphery of the chair frame and are in a tightened state.
Preferably, the two ends of the steel wire rope are both provided with a blocking portion, the blocking portions are cylinders or spheres, the diameter of each blocking portion is larger than that of the steel wire rope, each stretching member is provided with a first stretching portion and a second stretching portion, a gap is arranged between the first stretching portion and the second stretching portion, the width of the gap is larger than that of the steel wire rope and smaller than that of the blocking portions, and after the steel wire rope passes through the gap and the blocking portions abut against the first stretching portions and the second stretching portions, the two first cylinders drive the two stretching members to pull the steel wire rope.
Preferably, the chair frame is further provided with a first limiting part, a second limiting part and a third limiting part, wherein the first limiting part and the second limiting part are respectively located at the front half section and the rear half section of the workbench, the third limiting part is fixedly installed at the top of the second limiting part and protrudes forwards from the second limiting part, and the first limiting part, the second limiting part and the third limiting part are matched together to preliminarily position the chair frame.
Preferably, the workbench is provided with two parallel mounting grooves, and the second limiting part is fixedly mounted on the two mounting grooves through a fastener.
Preferably, the chair frame is chair seat frame or chair back frame, the chair frame includes two first plastic strips and the second plastic strip of integrated into one piece, first plastic strip includes an arc flexion at least, the arc flexion is located the intermediate position of first plastic strip, and when the chair frame was placed on the workstation, the both ends of two first plastic strips were towards the fore-and-aft direction respectively, and the both ends of two second plastic strips are towards left right direction respectively, and the bulge of two second arc flexion is down and with the workstation contact, and then makes two second plastic strips unsettled.
Preferably, an inclined surface is arranged on the first plastic strip, the pressing piece comprises a second vertical portion and an inclined portion, the included angle between the inclined portion and the second vertical portion ranges from 90 degrees to 145 degrees, when the two pressing pieces are driven by the two second cylinders to move oppositely, the inclined portion abuts against the inclined surface, the chair frame is pressed on the workbench, and the chair frame is pre-deformed.
Preferably, the fabric is a cloth or a real leather.
A chair comprises a chair frame manufactured by adopting the fabric mounting device of the chair frame.
The utility model has the advantages that:
1) when the chair frame is in the pre-deformation state, the steel wire rope and the fabric are tightened and fixedly arranged on the chair frame, so that after the pressing component is loosened, the resilience of the chair frame can enable the fabric to keep a tight feeling;
2) the fabric is indirectly tightened on the chair frame through the pulling of the steel wire rope, so that the fabric is stressed uniformly in the tightening process, the fabric damage condition caused by the direct stretching of the tightened fabric is avoided, meanwhile, the steel wire rope is pulled by the tensile assembly to replace an operator to pull the steel wire rope, and the pulling condition is better and more stable.
Drawings
Fig. 1 is a schematic structural view of the fabric installation device of the present invention;
FIG. 2 is a schematic view of the workbench of the present invention;
fig. 3 is a schematic structural view of the stretching assembly of the present invention;
fig. 4 is a schematic structural view of the compressing assembly of the present invention;
fig. 5 is a schematic structural view of the quick clamp of the present invention.
Description of reference numerals:
1. a frame; 9. a work table; 2. a first limit piece; 3. a second limiting member; 4. a first cylinder; 5. a tension member; 51. a first stretching section; 52. a second stretching section; 53. a gap; 6. a third limiting member; 7. a second cylinder; 8. a compression member; 80. an inclined portion; 90. and (4) mounting the groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting 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", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model discloses in, use figure 1 as the reference, wherein, the one end that is close to the staff on the workstation is "front" end, and the one end of keeping away from the staff on the workstation is "back" end, and the one end that is close to the staff left hand on the workstation is "left" end, and the one end that is close to the staff right hand on the workstation is "right" end, "upper" and "lower" be about in the normal meaning.
The first embodiment is as follows:
a fabric installation device of a chair frame comprises a frame 1 and a workbench 9 arranged on the frame 1; two stretching assemblies and two compressing assemblies are arranged on the workbench 9; the two stretching assemblies are respectively positioned at the left half section and the right half section of the workbench 9, and the two pressing assemblies are respectively positioned at the left half section and the right half section of the workbench 9; the stretching assembly is positioned in front of the pressing assembly;
the pressing assembly comprises a pressing piece 8 and a second air cylinder 7, and the second air cylinder 7 is fixedly arranged on a workbench 9; the second cylinder 7 drives the two pressing pieces 8 to move oppositely to press the left side and the right side of the chair frame and force the chair frame to generate pre-deformation;
the stretching assembly comprises a support, stretching pieces 5 and first cylinders 4 used for driving the stretching pieces 5 to move, the support is fixedly installed on a workbench 9, the first cylinders 4 are fixedly installed on the upper half parts of the support, and the two first cylinders 4 drive the two stretching pieces 5 to pull the steel wire ropes so that the steel wire ropes and the fabric are tightly attached to the periphery of the chair frame and are in a tight state; like this, be equipped with wire rope on the surface fabric, rethread tensile wire rope makes the surface fabric hug closely around the chair frame and be in the state of tightening, compare in the past through the cooperation of a plurality of staff with the surface fabric tighten and hug closely around the chair frame reuse nail rifle nailing with the surface fabric fixed, very big promotion work efficiency with practiced thrift manpower and materials, simultaneously, the mounted position of surface fabric is also more accurate.
It is worth to be noted that, when the chair frame is in the pre-deformation state, the steel wire rope and the fabric are tightened and fixedly installed on the chair frame, so that after the pressing component is loosened, the fabric can keep a tight feeling due to the resilience of the chair frame;
in addition, the fabric is indirectly tightened on the chair frame through the pulling of the steel wire rope, so that the fabric is stressed uniformly in the tightening process, the fabric damage condition caused by the fact that the fabric is directly stretched and tightened is avoided, meanwhile, the steel wire rope is pulled through the stretching assembly to replace an operator to pull the steel wire rope, and the pulling condition is better and more stable.
The fabric may be cloth, real leather, and the like.
It should be noted that, in order to ensure that the fabric does not slip off during the clamping process of the chair frame, the fabric is primarily fixed by the nail gun, and generally, in order to not affect the final tightness of the fabric, the fabric is primarily fixed by only 2-5 nails driven by the nail gun.
In this embodiment, the two ends of the steel wire rope are provided with blocking portions, the blocking portions are cylinders or spheres, the diameter of each blocking portion is larger than that of the steel wire rope, the first stretching portion 51 and the second stretching portion 52 are arranged on the stretching member 5, a gap 53 is arranged between the first stretching portion 51 and the second stretching portion 52, the width of the gap 53 is larger than that of the steel wire rope and smaller than that of the blocking portions, and after the steel wire rope passes through the gap 53 and the blocking portions abut against the first stretching portion 51 and the second stretching portion 52, the two first cylinders 4 drive the two stretching members 5 to pull the steel wire rope.
In this embodiment, a first limiting part 2, a second limiting part 3 and a third limiting part 6 are further provided, the first limiting part 2 and the second limiting part 3 are respectively located at the front half section and the rear half section of the workbench 9, the third limiting part 6 is fixedly installed at the top of the second limiting part 3 and protrudes forwards from the second limiting part 3, and the first limiting part 2, the second limiting part 3 and the third limiting part 6 are jointly matched to perform primary positioning on the chair frame; thus, when the chair frame is placed on the workbench 9, the first limiting part 2 is used for determining the position of the front end of the chair frame, the second limiting part 3 is used for determining the position of the rear end of the chair frame, and the third limiting part 6 is used for determining the height of the rear end of the chair frame, so that the position of the chair frame cannot have large deviation.
Preferably, the pressing members 8 include a second vertical portion and an inclined portion 80, an included angle between the inclined portion 80 and the second vertical portion is determined by the shape of the chair frame, generally, the included angle ranges from 90 ° to 145 °, the second vertical portion is fixedly connected with the second air cylinder 7, when the two second air cylinders 7 drive the two pressing members 8 to move towards each other, the inclined portion 80 abuts against the inclined surface, so that the chair frame is pressed on the workbench 9, and the chair frame is pre-deformed; further preferably, the inclined portion 80 is provided with a rounded corner, so as to avoid a relatively large friction between the inclined portion 80 and the fabric when the second cylinder 7 pushes the pressing member 8 to move in a direction approaching the chair frame.
In other embodiments, the pressing member 8 may also be used in the form of a snap clamp against the outside of the cable.
In this embodiment, two parallel mounting slots 90 are provided on the working table 9, and the second limiting member 3 is fixedly mounted on the two mounting slots 90 through a fastening member; thus, the second limiting member 3 is fixed at different positions of the mounting groove 90, so that the distance between the second limiting member 3 and the first limiting member 2 is changed, and the device is applicable to chair frames of different models and specifications.
In this embodiment, a turntable is further provided, the turntable is rotatably mounted on the frame 1, and the worktable 9 is an upper surface of the turntable; further preferably, a bearing is further arranged and is positioned between the turntable and the rack 1, so that the turntable can rotate smoothly; therefore, when the operator carries out nailing operation on the mesh by the nail gun, the operator does not need to walk back and forth.
A method for installing the fabric of a chair frame comprises the steps of adopting the fabric installation device of the chair frame to complete the installation of the fabric of the chair frame;
the method comprises the following specific steps:
the method comprises the following steps: installing a steel wire rope on the fabric, and enclosing a circle along the edge of the fabric;
step two: preliminarily fixing the fabric on the chair frame, and enabling two ends of a steel wire rope in the fabric to be positioned on the front side of the chair frame;
step three: the chair frame is placed on the workbench 9 and positioned between the two pressing components, and then the two pressing pieces 8 are driven by the two second cylinders 7 to move oppositely so as to press the left side and the right side of the chair frame and force the chair frame to generate pre-deformation;
step four: the two first cylinders 4 drive the two stretching pieces 5 to move oppositely, then two ends of the crossed steel wire rope are respectively arranged on the two stretching pieces 5, and then the two first cylinders 4 drive the two stretching pieces 5 to return along the original path to stretch the steel wire rope so that the steel wire rope and the fabric are tightly attached to the periphery of the chair frame and are in a tight state;
step five: the fabric is finally fixedly arranged on the chair frame by nailing through a nail gun;
step six: removing the two ends of the steel wire rope from the stretching piece 5, and fixing the two ends of the steel wire rope on the chair frame;
step seven: the two second cylinders 7 drive the two pressing members 8 to return along the original path, and then take the chair frame out of the workbench 9.
Preferably, the two ends of the steel wire rope are provided with blocking parts which are cylinders or spheres, the diameter of each blocking part is larger than that of the steel wire rope, the stretching member 5 is provided with a first stretching part 51 and a second stretching part 52, a gap 53 is arranged between the first stretching part 51 and the second stretching part 52, the width of the gap 53 is larger than that of the steel wire rope and smaller than that of the blocking parts, and after the steel wire rope passes through the gap 53 and the blocking parts abut against the first stretching part 51 and the second stretching part 52, the two first cylinders 4 drive the two stretching members 5 to return along the original path to pull the steel wire rope.
Preferably, the step of mounting the steel wire rope on the fabric comprises the following steps:
firstly, fixing a cloth belt on the front side of a fabric through sewing by a sewing machine, and enclosing a circle along the edge of the fabric, wherein at the moment, a first sewing coil is formed on the cloth belt by the sewing of the sewing machine;
then, the steel wire rope is placed on the cloth belt and positioned on the outer side of the first sewing coil, then the cloth belt is turned outwards by taking the first sewing coil as a limit, then the steel wire rope is installed in the cloth belt by sewing through a sewing machine, and at the moment, the sewing machine forms a second sewing coil on the cloth belt; the second sewing coil is positioned on the outer side of the steel wire rope;
the width of the cloth belt is 20mm-30mm, the distance between the first sewing coil and the edge of the fabric is 5mm-10mm, and the distance between the second sewing coil and the first sewing coil is 1mm-4 mm.
Preferably, before the first step, the edge of the fabric is turned towards the reverse side of the fabric, and then the edge is sewn along a third sewing coil by a sewing machine to finish the edge curling, wherein the distance between the third sewing coil and the edge of the fabric after the edge curling is 5mm-10 mm.
Preferably, the specific operation process of the step two is as follows: the fabric is flatly laid on the workbench 9, the front face of the fabric faces downwards, the chair frame is placed in the middle of the fabric, and then the fabric is fixed on the chair frame in at least four different positions through a nail gun, wherein the four different positions are located on the periphery of the chair frame respectively.
Preferably, the chair frame is a chair seat frame or a chair back frame; chair frame includes two first plastic strips and the second plastic strip of integrated into one piece, first plastic strip includes an arc flexion at least, arc flexion is located the intermediate position of first plastic strip, and when chair frame placed on workstation 9, the both ends of two first plastic strips are towards the fore-and-aft direction respectively, and the both ends of two second plastic strips are towards left right direction respectively, and the bulge of two second arc flexion is down and contact with workstation 9, and then makes two second plastic strips unsettled.
Preferably, an inclined surface is arranged on the first plastic strip, the pressing piece 8 comprises a second vertical portion and an inclined portion 80, an included angle between the inclined portion 80 and the second vertical portion ranges from 90 degrees to 145 degrees, when the two pressing pieces 8 are driven by the two second cylinders 7 to move oppositely, the inclined portion 80 abuts against the inclined surface, so that the chair frame is pressed on the workbench 9, and the chair frame is pre-deformed.
Preferably, the chair frame is further provided with a first limiting part 2, a second limiting part 3 and a third limiting part 6, the first limiting part 2 and the second limiting part 3 are respectively located at the front half section and the rear half section of the workbench 9, the third limiting part 6 is fixedly installed at the top of the second limiting part 3 and protrudes forwards from the second limiting part 3, and the first limiting part 2, the second limiting part 3 and the third limiting part 6 are matched together to preliminarily position the chair frame.
Preferably, the fabric is a cloth or a real leather.
In the present embodiment, in the final fixed mounting of the fabric on the chair frame by nailing with the nail gun, the nail gun is moved by one turn along the edge of the fabric and simultaneously performs the nailing work to fixedly mount the fabric on the chair frame, and the interval between the adjacent two nailing positions of the nail gun does not exceed 10 mm; further preferably, the nail gun moves along the edge of the fabric for one turn and simultaneously performs a nail shooting operation to fixedly mount the cloth tape on the upper end surface of the chair frame.
It should be noted that, after the fabric is finally fixed and installed on the chair frame by nailing with the nail gun, the portion of the steel wire rope located in the fabric tape is also fixed, so that only the two ends of the steel wire rope need to be fixed in the sixth step.
A chair comprises the chair frame manufactured by the method for installing the fabric of the chair frame.
Example two:
the difference between the present embodiment and the first embodiment is: in the first embodiment, the steel wire rope only plays a role in tensioning the fabric, and the fabric is finally fixed on the chair frame through a large number of gun nails.
In this embodiment, a method for installing a fabric of a chair frame, which uses the above-mentioned fabric installation apparatus of a chair frame to complete installation, includes the following specific steps:
the method comprises the following specific steps:
the method comprises the following steps: installing a steel wire rope on the fabric, and enclosing a circle along the edge of the fabric;
step two: placing the chair frame on the workbench 9 and between the two pressing components, preliminarily fixing the fabric on the chair frame, and enabling two ends of the steel wire rope in the fabric to be located on the front side of the chair frame;
step three: the two pressing pieces 8 are driven by the two second cylinders 7 to move oppositely so as to press the left side and the right side of the chair frame and force the chair frame to generate pre-deformation;
step four: the two first cylinders 4 drive the two stretching pieces 5 to move oppositely, then two ends of the crossed steel wire rope are respectively arranged on the two stretching pieces 5, and then the two first cylinders 4 drive the two stretching pieces 5 to return along the original path to stretch the steel wire rope so that the steel wire rope and the fabric are tightly attached to the periphery of the chair frame and are in a tight state;
step five: removing two ends of the steel wire rope from the stretching piece 5, and fixing two ends of the steel wire rope on the chair frame so as to fixedly install the fabric on the chair frame;
step six: the two second cylinders 7 drive the two pressing members 8 to return along the original path, and then take the chair frame out of the workbench 9.
In this embodiment, the two ends of the steel wire rope are provided with blocking portions, the blocking portions are cylinders or spheres, the diameter of each blocking portion is larger than that of the steel wire rope, the stretching member 5 is provided with a first stretching portion 51 and a second stretching portion 52, a gap 53 is arranged between the first stretching portion 51 and the second stretching portion 52, the width of the gap 53 is larger than that of the steel wire rope and smaller than that of the blocking portions, and after the steel wire rope passes through the gap 53 and the blocking portions abut against the first stretching portion 51 and the second stretching portion 52, the two first cylinders 4 drive the two stretching members 5 to return along the original path to pull the steel wire rope.
In this embodiment, the chair frame is provided with a step surface, the step surface is provided with two second slots,
wherein, preliminarily fixing the fabric on the chair frame means that: placing a steel wire rope part in the fabric on the step surface to prevent the fabric from falling;
fixing the two ends of the wire rope to the chair frame means: and the blocking parts at the two ends of the steel wire rope are respectively embedded into the two second clamping grooves, and the blocking parts are tightly matched with the second clamping grooves so as to fix the two ends of the steel wire rope.
Or, the chair frame is provided with a closed ring groove, the depth of the closed ring groove is at least twice of the diameter of the steel wire rope, the closed ring groove is provided with two third clamping grooves,
wherein, preliminarily fixing the fabric on the chair frame means that: embedding a steel wire rope part in the fabric into the closed loop groove to prevent the fabric from falling;
fixing the two ends of the wire rope to the chair frame means: and the blocking parts at the two ends of the steel wire rope are respectively embedded into the two third clamping grooves, and the blocking parts are tightly matched with the third clamping grooves so as to fix the two ends of the steel wire rope.
Or a spiral open-loop groove is arranged on the chair frame, two fourth clamping grooves are arranged on the open-loop groove,
wherein, preliminarily fixing the fabric on the chair frame means that: embedding the steel wire rope part in the fabric into the open-loop groove to prevent the fabric from falling;
fixing the two ends of the wire rope to the chair frame means: and the blocking parts at the two ends of the steel wire rope are respectively embedded into the two fourth clamping grooves, and the blocking parts are tightly matched with the fourth clamping grooves so as to fix the two ends of the steel wire rope.
In this embodiment, the step of mounting the steel wire rope on the fabric is as follows:
fixing the cloth belt on the front side of the fabric through sewing by a sewing machine, and enclosing a circle along the edge of the fabric, wherein at the moment, a fourth sewing coil is formed on the cloth belt by the sewing of the sewing machine;
then, the steel wire rope is placed on the cloth belt and positioned on the outer side of the fourth sewing coil, then the cloth belt is turned outwards by taking the fourth sewing coil as a limit, then the steel wire rope is installed in the cloth belt by sewing through a sewing machine, and at the moment, the sewing machine forms a fifth sewing coil on the cloth belt; the fifth sewing coil is positioned on the outer side of the steel wire rope;
the width of the cloth belt is 5mm-15mm, the distance between the fourth sewing coil and the edge of the fabric is 3mm-7mm, and the distance between the fifth sewing coil and the fourth sewing coil is 2mm-4 mm.
EXAMPLE III
The present embodiment is different from the second embodiment in that: in this embodiment, only one stretching assembly is adopted, and the specific process is as follows:
the blocking part at one end of the steel wire rope is installed in one of the clamping grooves on the chair frame, the blocking part at the other end of the steel wire rope is pulled by the stretching assembly to tighten the steel wire rope and the fabric, and the blocking part at the other end of the steel wire rope is embedded into the other clamping groove on the chair frame to fix the steel wire rope and the fabric.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fabric mounting device for a chair frame is characterized by comprising a rack (1) and a turntable arranged on the rack (1); the turntable is rotatably arranged on the rack (1), the upper surface of the turntable is provided with a workbench (9), and two pressing assemblies are arranged on the workbench (9); the two pressing components are respectively positioned on the left half section and the right half section of the workbench (9); the pressing assembly comprises a pressing piece (8) and a second air cylinder (7), and the second air cylinder (7) is fixedly arranged on the workbench (9); the second cylinder (7) drives the two pressing pieces (8) to move oppositely so as to press the left side and the right side of the chair frame and force the chair frame to generate predeformation.
2. The fabric mounting device for the chair frame according to claim 1, wherein the workbench (9) is further provided with two stretching assemblies respectively positioned on the left half section and the right half section of the workbench (9), and the two stretching assemblies are positioned in front of the two pressing assemblies.
3. The fabric mounting device for the chair frame according to claim 2, wherein the stretching assembly comprises a support, a stretching member (5) and a first cylinder (4) for driving the stretching member (5) to move, the support is fixedly mounted on the workbench (9), the first cylinder (4) is fixedly mounted at the upper half part of the support, and the two first cylinders (4) drive the two stretching members (5) to pull the steel wire rope so that the steel wire rope and the fabric are tightly attached to the periphery of the chair frame and are in a tight state.
4. A fabric mounting apparatus for a chair frame according to claim 3, wherein the wire rope is provided with a blocking portion at both ends, the blocking portion is a cylinder or a sphere, the diameter of the blocking portion is larger than that of the wire rope, the tension member (5) is provided with a first stretching portion (51) and a second stretching portion (52), a gap (53) is provided between the first stretching portion (51) and the second stretching portion (52), the width of the gap (53) is larger than the diameter of the wire rope and smaller than the diameter of the blocking portion, and after the wire rope passes through the gap (53) and the blocking portion abuts against the first stretching portion (51) and the second stretching portion (52), the two first cylinders (4) drive the two tension members (5) to pull the wire rope.
5. The fabric mounting device for the chair frame according to claim 1, further comprising a first limiting member (2), a second limiting member (3) and a third limiting member (6), wherein the first limiting member (2) and the second limiting member (3) are respectively located at the front half section and the rear half section of the workbench (9), the third limiting member (6) is fixedly mounted at the top of the second limiting member (3) and protrudes forwards from the second limiting member (3), and the first limiting member (2), the second limiting member (3) and the third limiting member (6) are jointly matched to perform primary positioning on the chair frame.
6. The fabric mounting device for the chair frame according to claim 5, wherein the workbench (9) is provided with two parallel mounting grooves (90), and the second limiting member (3) is fixedly mounted on the two mounting grooves (90) through fasteners.
7. The fabric mounting device for the chair frame according to claim 1, wherein the chair frame is a chair seat frame or a chair back frame, the chair frame comprises two first plastic strips and two second plastic strips which are integrally formed, the first plastic strip at least comprises an arc-shaped bending part, the arc-shaped bending part is located in the middle of the first plastic strip, when the chair frame is placed on the workbench (9), two ends of the two first plastic strips face the front and back direction respectively, two ends of the two second plastic strips face the left and right direction respectively, and protruding parts of the two second arc-shaped bending parts face downwards and are in contact with the workbench (9), so that the two second plastic strips are suspended.
8. A fabric mounting device for a chair frame according to claim 7, wherein the first plastic strip is provided with an inclined surface, the pressing member (8) comprises a second vertical portion and an inclined portion (80), the included angle between the inclined portion (80) and the second vertical portion is in the range of 90-145 °, and when the two pressing members (8) are driven by the two second cylinders (7) to move towards each other, the inclined portion (80) abuts against the inclined surface so that the chair frame is pressed against the workbench (9) and is pre-deformed.
9. The apparatus as claimed in claim 1, wherein the fabric is cloth or leather.
10. A chair comprising a chair frame manufactured using the fabric mounting apparatus for a chair frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560825.2U CN214483943U (en) | 2020-11-06 | 2020-11-06 | Chair and fabric mounting device of chair frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022560825.2U CN214483943U (en) | 2020-11-06 | 2020-11-06 | Chair and fabric mounting device of chair frame thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214483943U true CN214483943U (en) | 2021-10-26 |
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| CN202022560825.2U Active CN214483943U (en) | 2020-11-06 | 2020-11-06 | Chair and fabric mounting device of chair frame thereof |
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| CN (1) | CN214483943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493743A (en) * | 2020-11-06 | 2021-03-16 | 恒林家居股份有限公司 | Chair and fabric installation method of chair frame thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112493743A (en) * | 2020-11-06 | 2021-03-16 | 恒林家居股份有限公司 | Chair and fabric installation method of chair frame thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANJI HENGYOU TECHNOLOGY CO.,LTD. Assignor: Henglin Furniture Co.,Ltd. Contract record no.: X2023330000509 Denomination of utility model: A fabric installation device for a chair and its chair frame Granted publication date: 20211026 License type: Common License Record date: 20230815 |