CN212890679U - Seat assembling equipment - Google Patents

Abstract

The utility model discloses a seat assembly device, including seat mounting fixture and wrench device, the seat mounting fixture includes seat pan mounting groove, back mounting groove and first back stop device, the left side and/or the right side of back mounting groove are equipped with first back stop device, first back stop device includes first drive part and first spacing subassembly, first spacing subassembly has preceding spacing part and back spacing part, when first spacing subassembly is close to the back skeleton, preceding spacing part supports the front portion of back skeleton, back spacing part supports the rear portion of back skeleton; the wrench device comprises an electric wrench and a first manipulator, and the output end of the first manipulator is connected with the electric wrench. Seat dish skeleton is placed in seat dish mounting groove, back skeleton and is placed in the back mounting groove to limit back skeleton through first spacing subassembly and swing along the fore-and-aft direction, rethread spanner device is to seat dish skeleton and back skeleton on the screw, accomplishes automatic assembly's work, has the clamping, goes up the screw function automatically.

Description

Seat assembling equipment

Technical Field

The utility model is used for car seat production and processing field especially relates to a seat rigging equipment.

Background

With the development of the automobile industry, automobiles become the first need of people's life, and the demand of automobile seats is increased, so that the production efficiency of the automobile seats needs to be improved, and the assembly of the seats is the most important part influencing the production efficiency.

A car seat is generally composed of a seat pan frame for supporting the weight of a person sitting thereon and a backrest frame for supporting the back of the person. In the process of assembling the seat, the seat pan frame and the backrest frame are generally required to be fixed, and then the seat pan frame and the backrest frame can be assembled to form the whole seat. Among the prior art, what the whole equipment of car seat mainly adopted is the assembly line operation mode, needs a process to circulate gradually to every process all needs operating personnel to pull the seat into behind the station platform, lifts the screw on certain angle again, and degree of automation is not high. And the seat is large in size and heavy in weight, the seat disc framework and the backrest framework are very inconvenient to assemble, the assembling effect is poor, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a seat rigging equipment, it has the function of screw in clamping and the automation, can assemble seat dish skeleton and back skeleton, satisfies the demand of automatic assembly, improves production quality and production efficiency.

The utility model provides a technical scheme that its technical problem adopted is:

a seat assembling apparatus includes

The seat fixing clamp comprises a seat pan installation groove and a backrest fixing component, the backrest fixing component comprises a backrest installation groove and a first backrest limiting device, the seat pan installation groove is located in front of the backrest installation groove, the left side and/or the right side of the backrest installation groove are/is provided with the first backrest limiting device, the first backrest limiting device comprises a first driving part and a first limiting component, the first driving part is used for driving the first limiting component to be close to or far away from a backrest framework along the left-right direction, the first limiting component is provided with a front limiting part and a rear limiting part, when the first limiting component is close to the backrest framework, the front limiting part is used for abutting against the front part of the backrest framework, and the rear limiting part is used for abutting against the rear part of the backrest framework;

the utility model provides a chair fixing clamp, including seat mounting fixture, spanner device, seat mounting fixture's the left and right sides all is equipped with spanner device, spanner device includes electric spanner and first manipulator, the output of first manipulator with electric spanner connects.

In combination with the above implementation manner, in certain implementations of the utility model, the seat mounting fixture includes two the seat dish mounting groove, two the seat dish mounting groove sets up along controlling the direction interval, it compresses tightly the subassembly to be equipped with first seat dish between the seat dish mounting groove, the place ahead that first seat dish compressed tightly the subassembly is equipped with the second seat dish and compresses tightly the subassembly, first seat dish compresses tightly the subassembly and the second seat dish compresses tightly the subassembly and all includes second drive assembly and compresses tightly the part, second drive assembly is used for the drive compress tightly the part and be close to or keep away from the seat dish skeleton, compress tightly the part and can push down the seat dish skeleton when being close to the seat dish skeleton.

In combination with the above implementation manner, the utility model discloses an in certain implementation, second driver part's output is equipped with first connecting seat, second driver part can drive first connecting seat is along the up-and-down direction motion, first connecting seat with the one end that compresses tightly the part is articulated, the articulated connecting rod in middle part that compresses tightly the part, the other end of connecting rod articulate in second driver part, compress tightly the part in keeping away from the one end of first connecting seat is equipped with the compact heap, the compact heap is followed compress tightly the left and right sides direction extension of part.

In combination with the above implementation manner, the utility model discloses an in some implementation manners, the left and right sides of back mounting groove all is equipped with second back stop device, second back stop device includes third drive disk assembly and the guide rail that sets up along controlling the direction, be equipped with the slider on the guide rail, the locating pin is connected to the slider, third drive disk assembly is used for the drive the slider is followed the guide rail is close to or keeps away from the back skeleton, so that the locating pin can stretch into or deviate from the back skeleton.

In combination with the above implementation manners, in some implementation manners of the present invention, the screw feeding device further includes a conveying channel, a second limiting component and a screw transferring component, wherein an opening is formed at one end of the conveying channel; the second limiting assembly comprises a fourth driving part and a conveying limiting part, and the fourth driving part is used for driving the conveying limiting part to shield or open the opening so as to intercept or release the screw; the screw transfer assembly can be switched between a first position and a second position, the screw transfer assembly can receive the screw released from the opening in the first position, and the screw in the screw transfer assembly can be taken out in the second position.

In combination with the above implementation manner, in certain implementations of the utility model, screw transfer subassembly includes the spacing subassembly of third, the spacing subassembly of third is including placing seat, transfer stop part and fifth driver part, it has the breach that is used for receiving the screw to place the seat, transfer stop part is located place the top of seat, transfer stop part has downwardly extending's lug, fifth driver part is used for the drive transfer stop part is close to or keeps away from along upper and lower direction place the seat, so that the lug stretches into or leaves the breach, the lug stretches into during the breach, the lug can restrict to be located screw in the breach is along the fore-and-aft direction motion.

With the foregoing implementation manner, in certain implementation manners of the present invention, the screw transferring assembly further includes a driving component for driving the third limiting assembly to be close to or away from the sixth driving component of the opening.

In combination with the foregoing implementation manner, in certain implementations of the present invention, the screw feeding device further includes a fixing base, the third limiting component further includes a first connecting rod, the placing base and the fifth driving component all connect with the first connecting rod, the first connecting rod is hinged to the fixing base, the sixth driving component is hinged to the fixing base, the second connecting rod is connected to the output end of the sixth driving component, and the second connecting rod is hinged to the first connecting rod.

In combination with the above implementation manner, in certain implementation manners of the present invention, the vibrator is disposed below the conveying channel, and the vibrating material arranging device is disposed at one end of the conveying channel, which is far away from the opening.

In combination with the above implementation manner, the utility model discloses an in certain implementation, still include seat handling device, be located the left side or the right side of the fixed subassembly of back, seat handling device includes second manipulator, circumference drive assembly and seat stores pylon, circumference drive assembly includes seventh driver part and mount pad, seventh driver part's output is equipped with the rack, the seat stores pylon rotationally install in the mount pad through the pivot, the cover is equipped with the gear in the pivot, the gear with rack toothing, the second manipulator with the mount pad is connected.

One of the above technical solutions has at least one of the following advantages or beneficial effects: when assembling seat dish skeleton and back skeleton, place seat dish skeleton level in seat dish mounting groove, the back skeleton is vertical to be placed in the back mounting groove to limit back skeleton along the fore-and-aft direction swing through first spacing subassembly, make back skeleton and seat dish skeleton can cooperate at the assembly position, accomplish the clamping work of seat dish skeleton and back skeleton. And then, screws are arranged on the seat disc framework and the backrest framework through a wrench device, and the automatic assembly is completed. This technical scheme's seat rigging equipment makes it possess the function of clamping and automatic screw through setting up seat dish mounting groove, the fixed subassembly of back and wrench device, can assemble seat dish skeleton and back skeleton, satisfies the demand of automatic assembly, improves production quality and production efficiency.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a schematic view of the seat attachment clip and the second back stop device of the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of the construction of one embodiment of the seat attachment clip shown in FIG. 1;

FIG. 4 is a schematic structural view of the screw feeder of FIG. 1 in accordance with one embodiment;

FIG. 5 is a schematic structural diagram of the vibrating material arranging device of the embodiment shown in FIG. 1;

FIG. 6 is a schematic view of the screw transfer assembly of FIG. 1 in a second position with a screw removed;

FIG. 7 is a schematic view of the construction of the wrench device of one embodiment shown in FIG. 1;

fig. 8 is a schematic structural view of the seat transport apparatus according to the embodiment shown in fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

The automobile seat is generally composed of a seat pan framework and a backrest framework, wherein the seat pan framework is used for supporting the weight of people when the people sit down, namely playing a role of a cushion; the backrest framework is used for supporting the back of people, namely playing a role of a backrest. The seat frame and the backrest frame are both frame structures. The front end of the seat pan framework is provided with a front transverse pipe, and the rear end of the seat pan framework is provided with a rear transverse pipe; the bottom of the backrest framework is provided with a lower transverse pipe, and the left side and the right side of the backrest framework are provided with positioning holes.

Referring to fig. 1, 2, 3 and 7, the utility model discloses an embodiment provides a seat rigging equipment, including seat mounting fixture 1 and wrench device 2, seat mounting fixture 1 is used for fixed seat dish skeleton and back skeleton, and wrench device 2 is used for the screw to seat dish skeleton and back skeleton to assemble seat whole with seat dish skeleton and back skeleton.

Referring to fig. 1, 2 and 3, the seat fixing jig 1 includes a seat pan mounting groove 11 for mounting a seat pan frame and a backrest fixing member for fixing a backrest frame. The backrest fixing component comprises a backrest mounting groove 12 and a first backrest limiting device 13, the seat pan mounting groove 11 is located in front of the backrest mounting groove 12, the backrest framework is vertically placed in the backrest mounting groove 12, and specifically, a lower horizontal pipe of the backrest framework is mounted in the backrest mounting groove 12. A first backrest limiting device 13 is arranged on the left side and/or the right side of the backrest installation groove 12, the first backrest limiting device 13 comprises a first driving part 131 and a first limiting component, the first driving part 131 is used for driving the first limiting component to be close to or far away from the backrest framework along the left-right direction, the first limiting component is provided with a front limiting part 132 and a rear limiting part 133, and the front limiting part 132 is positioned in front of the rear limiting part 133. When the first limiting component is close to the backrest frame, the front limiting part 132 is used for abutting against the front part of the backrest frame, and the rear limiting part 133 is used for abutting against the rear part of the backrest frame to limit the backrest frame to move along the front-rear direction, so that the effect of fixing the backrest frame is achieved.

Referring to fig. 1 and 7, the wrench devices 2 are disposed on both left and right sides of the seat fixing jig 1, each wrench device 2 includes an electric wrench 21 and a first manipulator 22, and an output end of the first manipulator 22 is connected to the electric wrench 21. Wherein, the first manipulator 22 can drive the electric wrench 21 to move along the up-down direction, the left-right direction and the front-back direction, so as to get back to the installation position after taking the screw to perform the screwing work.

When assembling seat pan skeleton and back skeleton, place seat pan skeleton level in seat pan mounting groove 11, the back skeleton is vertical to be placed in back mounting groove 12 to restrict back skeleton through first spacing subassembly and swing along the fore-and-aft direction, make back skeleton and seat pan skeleton can cooperate at the assembly position, accomplish the clamping work of seat pan skeleton and back skeleton. And then, the spanner device 2 is used for screwing the seat disc framework and the backrest framework to finish the automatic assembly. This technical scheme's seat rigging equipment makes it possess the function of clamping and automatic screw through setting up seat dish mounting groove, the fixed subassembly of back and wrench device 2, can assemble seat dish skeleton and back skeleton, satisfies the demand of automatic assembly, improves production quality and production efficiency.

Referring to fig. 3, in some embodiments, the seat fixing jig includes two seat pan installation grooves 11, and the two seat pan installation grooves 11 are spaced apart in the left-right direction, so that the stability of the seat pan frame can be improved when the seat is assembled. Be equipped with first seat dish between seat dish mounting groove 11 and compress tightly the subassembly, the place ahead that first seat dish compressed tightly the subassembly is equipped with the second seat dish and compresses tightly the subassembly, and first seat dish compresses tightly the subassembly and the second seat dish compresses tightly the subassembly and all includes second drive unit 141 and compresses tightly part 142, and second drive unit 141 is used for the drive to compress tightly part 142 and is close to or keeps away from the seat dish skeleton, compresses tightly part 142 and can push down the seat dish skeleton when being close to the seat dish skeleton. The seat plate frame pressing device has the advantages that the seat plate pressing assembly and the second seat plate pressing assembly are distributed in the front and rear direction, the rear transverse tube of the seat plate frame can be pressed through the pressing component 142 of the first seat plate pressing assembly, the front transverse tube of the seat plate frame can be pressed through the pressing component 142 of the second seat plate pressing assembly, balance of the seat plate frame when the seat plate frame is pressed can be guaranteed, better limiting movement is achieved for the seat plate frame, and left-right swinging or upward inclination of the seat plate frame is avoided.

The seat disc pressing assembly can be close to or far away from the seat disc framework in a linear motion mode, and can also be close to or far away from the seat disc framework in a circular motion mode or a curve motion mode and the like so as to press the seat disc framework when the seat disc framework is close to the seat disc framework. Referring to fig. 3, in some embodiments, the output end of the second driving part 141 is provided with a first coupling seat 143, and the second driving part 141 can drive the first coupling seat 143 to move in an up-and-down direction. The first connecting base 143 is hinged to one end of the pressing member 142, the middle of the pressing member 142 is hinged to the connecting rod 144, and the other end of the connecting rod 144 is hinged to the second driving member 141. When the second driving part 141 can drive the first connecting seat 143 to move in the up-down direction, the pressing part 142 is close to or away from the seat pan frame by the connecting rod 144 and the first connecting seat 143, and presses the seat pan frame when being close to the seat pan frame. The pressing part 142 is provided with a pressing block 145 at an end away from the first coupling seat 143, and the pressing block 145 extends in the left-right direction of the pressing part 142. Through setting up compact heap 145, can increase the area of contact of seat dish pressure subassembly and seat dish skeleton, play the effect of better compressing tightly seat dish skeleton, improve the steadiness.

Referring to fig. 1, 4 and 6, in some embodiments, the seat assembling apparatus further includes a screw feeding device 3, the screw feeding device 3 includes a conveying channel 31, a second limiting component and a screw transferring component, an opening is formed at one end of the conveying channel 31, and the screws are arranged in order and then conveyed to the opening through a conveying channel 311. The second limiting component comprises a fourth driving part 321 and a conveying limiting part 322, wherein the fourth driving part 321 is used for driving the conveying limiting part 322 to shield or open the opening so as to intercept or release the screw. The screw transfer assembly can be switched between a first position and a second position, the screw transfer assembly can receive a screw released from the opening when the first position is reached, and the screw in the screw transfer assembly can be taken out when the second position is reached. That is, referring to fig. 6, when the screw transferring assembly is located at the second position, the electric wrench 21 of the wrench device 2 can be taken out, and the first manipulator 22 drives the electric wrench 21 to move, so that when the electric wrench 21 moves to the screw mounting hole, the electric wrench 21 can complete the assembly work for the screw on the seat. The mounting positions and the number of the screw feeding devices 3 can be set according to the number and the travel paths of the wrench devices 2.

Referring to fig. 1 and 6, in some embodiments, the screw transferring assembly includes a third limiting assembly including a placing seat 331, a transferring limiting member 332, and a fifth driving member 333, the placing seat 331 having a notch 334 for receiving a screw. When the screw transfer assembly is in the first position, the notch 334 abuts the opening to receive the screw passed by the first position limiting member. The transfer limiting member 332 is located on the top of the placing seat 331, the transfer limiting member 332 has a protrusion 335 extending downward, and the fifth driving member 333 is used for driving the transfer limiting member 332 to approach or separate from the placing seat 331 along the up-down direction, so that the protrusion 335 extends into or separates from the notch 334. When the projection 335 extends into the notch 334, the projection 335 can limit the screw located in the notch 334 to move in the front-back direction.

When the screw transferring assembly is located at the first position, the protrusion 335 leaves the notch 334, so that the screw released from the opening enters the notch 334, and after the notch 334 receives the screw released from the opening, the protrusion 335 extends into the notch 334 to limit the screw located in the notch 334 to move in the front-back direction. Subsequently, the screw transfer subassembly switches to the second position, refers to fig. 6, and electric wrench 21 cover takes out the screw along left and right directions behind the screw head, can accomplish the action of taking, conveniently takes the screw.

Referring to fig. 4 and 6, in some embodiments, the screw relay assembly further includes a sixth driving member 34 for driving the third limit assembly to move closer to or away from the opening to complete the switching of the second limit assembly between the first position and the second position. It is understood that the sixth driving part 34 may adopt a motor, a cylinder, or the like.

The third limiting assembly can be switched between the first position and the second position in a linear motion mode or a curve motion mode. Referring to fig. 4 and 6, in some embodiments, the screw feeding device 3 further includes a fixing seat 35, the third limiting assembly further includes a first connecting rod 336, the placing seat 331 and the fifth driving part 333 are both connected to the first connecting rod 336, the first connecting rod 336 is hinged to the fixing seat 35, the sixth driving part 34 is hinged to the fixing seat 35, an output end of the sixth driving part 34 is connected to the second connecting rod 36, and the second connecting rod 36 is hinged to the first connecting rod 336. The sixth driving part 34 drives the second connecting rod 36, and the second connecting rod 36 drives the first connecting rod 336 to rotate, so as to drive the third limiting assembly to switch between the first position and the second position, thereby completing the actions of receiving and transferring screws.

Referring to fig. 4 and 5, in some embodiments, a vibrator 37 is disposed below the conveying channel 31 and vibrates the screw in the conveying channel 31 to enable the screw to be conveyed along the conveying channel 31 to the opening. The conveying channel 31 is provided with a vibration material arranging device 38 at one end far away from the opening, the vibration material arranging device 38 is provided with a cavity for storing screws and a channel for conveying the screws, and after the screws are placed in the cavity, the screws can enter the channel under the vibration action of the vibration material arranging device 38 and are arranged regularly, and then enter the conveying channel 31 and are conveyed to the opening. It is understood that the vibrator 37 may be a linear vibrator, a pneumatic vibrator, etc., and the vibration material arranging device 38 may be a circular vibration material arranging device, a vibrator, etc.

Referring to fig. 5, in some embodiments, the screw feeding device 3 further includes a storage box 39, the storage box 39 is provided with a communication port 391, and the vibration material arranging device 38 is located in the storage box 39 and can shield the vibration material arranging device 38 to prevent other impurities from falling into the vibration material arranging device 38. The conveying channel 31 extends into the storage box 39 through the communication port 391 and is connected with an outlet of the vibrating material arranging device 38, and a cover 392 is arranged at the top of the storage box 39, so that the storage box 39 can be conveniently opened and screws can be conveniently put into the vibrating material arranging device 38.

The wrench device 2 takes the screws from the screw feeding device 3 and then returns to the seat fixing clamp 1 to perform screw assembling work on the seat. Referring to fig. 1 to 3, in some embodiments, the second backrest limiting device 15 is disposed on both left and right sides of the backrest mounting groove 12, the second backrest limiting device 15 includes a third driving part 151 and a guide rail 153 disposed along the left and right directions, a sliding block 154 is disposed on the guide rail 153, the sliding block 154 is connected to the positioning pin 152, and the third driving part 151 is configured to drive the sliding block 154 to approach or depart from the backrest frame along the guide rail 153, so that the positioning pin 152 can extend into or depart from the backrest frame. More specifically, the positioning pin 152 can be inserted into or removed from the positioning hole of the back frame. In the process of assembling the seat, the positioning pin 152 can cooperate with the electric wrench 21 to fix the backrest frame, and the backrest frame is prevented from inclining in the assembling process. The number of the second backrest limiting devices 15 arranged on the left side and the right side of the backrest mounting groove 12 can be set according to the limiting requirements on the seat; the second backrest limiting device 15 can also be provided with a manipulator with a plurality of directional movement functions according to the movement requirements to increase the movement capacity of the second backrest limiting device 15.

After the wrench device 2 completes the assembly work of the backrest framework and the seat pan framework, the seat is carried to enter the next station 6. Referring to fig. 1 and 8, in some embodiments, the seat assembling apparatus further includes a seat transporting device 5 located at the left side or the right side of the backrest fixing assembly, the seat transporting device 5 includes a second manipulator 51, a circumferential driving assembly and a seat hanger 52, the second manipulator 51 is used for driving the circumferential driving assembly to move, the circumferential driving assembly is used for driving the seat hanger 52 to rotate, and the seat hanger 52 is used for hanging the seat to complete the work of transporting the seat.

Referring to fig. 8, the circumferential driving assembly includes a seventh driving member 531 and a mounting seat 532, the output end of the seventh driving member 531 is provided with a rack 533, the seat hanger 52 is rotatably mounted on the mounting seat 532 through a rotating shaft 535, a gear 536 is sleeved on the rotating shaft 535, and the gear 536 is engaged with the rack 533. The seventh driving part 531 drives the rack 533 to reciprocate according to the rotation requirement, and the gear 536 rotates under the action of the rack 533 and drives the seat installed on the rotating shaft 535 to rotate. The circumferential drive assembly rotates the seat hanger 52 by mounting the seat hanger 52 to the mounting base 532 and engaging the rack 533 via the gear 536. The second manipulator 51 can move in the up-down, left-right and front-back directions, and the second manipulator 51 is connected with the mounting seat 532 and can push the circumferential driving assembly to move, so that the seat can be flexibly conveyed to the next station 6.

The seat assembling equipment has the advantages that the functions of clamping and fixing, feeding screws, loading screws, carrying seats and the like are achieved, all production links are buckled with one another in a ring-to-ring mode, the automation degree is high, the requirement for automatic assembly is met, and the production quality and the production efficiency of the seats are improved.

In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," 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.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A seat assembling apparatus characterized in that: comprises that

The seat fixing clamp comprises a seat pan installation groove and a backrest fixing component, the backrest fixing component comprises a backrest installation groove and a first backrest limiting device, the seat pan installation groove is located in front of the backrest installation groove, the left side and/or the right side of the backrest installation groove are/is provided with the first backrest limiting device, the first backrest limiting device comprises a first driving part and a first limiting component, the first driving part is used for driving the first limiting component to be close to or far away from a backrest framework along the left-right direction, the first limiting component is provided with a front limiting part and a rear limiting part, when the first limiting component is close to the backrest framework, the front limiting part is used for abutting against the front part of the backrest framework, and the rear limiting part is used for abutting against the rear part of the backrest framework;

the utility model provides a chair fixing clamp, including seat mounting fixture, spanner device, seat mounting fixture's the left and right sides all is equipped with spanner device, spanner device includes electric spanner and first manipulator, the output of first manipulator with electric spanner connects.

2. The seat assembling apparatus according to claim 1, wherein: seat mounting fixture includes two seat dish mounting groove, two the seat dish mounting groove sets up along controlling the direction interval, be equipped with first seat dish between the seat dish mounting groove and compress tightly the subassembly, the place ahead that first seat dish compressed tightly the subassembly is equipped with the second seat dish and compresses tightly the subassembly, first seat dish compresses tightly subassembly and second seat dish and compresses tightly the subassembly and all includes second drive part and compress tightly the part, second drive part is used for the drive compress tightly the part and is close to or keep away from the seat dish skeleton, compress tightly the part and can push down the seat dish skeleton when being close to the seat dish skeleton.

3. The seat assembling apparatus according to claim 2, wherein: the output end of the second driving part is provided with a first connecting seat, the second driving part can drive the first connecting seat to move along the vertical direction, the first connecting seat is hinged to one end of the pressing part, the middle of the pressing part is hinged to a connecting rod, the other end of the connecting rod is hinged to the second driving part, the pressing part is provided with a pressing block at one end far away from the first connecting seat, and the pressing block extends along the left and right direction of the pressing part.

4. The seat assembling apparatus according to claim 1, wherein: the left and right sides of back mounting groove all is equipped with second back stop device, second back stop device includes third driver part and the guide rail that sets up along left right direction, be equipped with the slider on the guide rail, the locating pin is connected to the slider, third driver part is used for the drive the slider is followed the guide rail is close to or keeps away from the back skeleton, so that the locating pin can stretch into or deviate from the back skeleton.

5. The seat assembling apparatus according to claim 1, wherein: the screw conveying device comprises a conveying channel, a second limiting assembly and a screw transferring assembly, wherein an opening is formed in one end of the conveying channel; the second limiting assembly comprises a fourth driving part and a conveying limiting part, and the fourth driving part is used for driving the conveying limiting part to shield or open the opening so as to intercept or release the screw; the screw transfer assembly can be switched between a first position and a second position, the screw transfer assembly can receive the screw released from the opening in the first position, and the screw in the screw transfer assembly can be taken out in the second position.

6. The seat assembling apparatus according to claim 5, wherein: the screw transfer subassembly includes the spacing subassembly of third, the spacing subassembly of third is including placing seat, transfer stop part and fifth driver part, it has the breach that is used for receiving the screw to place the seat, transfer stop part is located place the top of seat, transfer stop part has downwardly extending's lug, fifth driver part is used for the drive transfer stop part is close to or keeps away from along upper and lower direction place the seat, so that the lug stretches into or leaves the breach, the lug stretches into during the breach, the lug can restrict to be located screw in the breach is along the fore-and-aft direction motion.

7. The seat assembling apparatus according to claim 6, wherein: the screw transfer assembly further comprises a sixth driving part for driving the third limiting assembly to be close to or far away from the opening.

8. The seat assembling apparatus according to claim 7, wherein: the screw feeding device further comprises a fixed seat, the third limiting assembly further comprises a first connecting rod, the placing seat and the fifth driving part are connected with the first connecting rod, the first connecting rod is hinged to the fixed seat, the sixth driving part is hinged to the fixed seat, the output end of the sixth driving part is connected with a second connecting rod, and the second connecting rod is hinged to the first connecting rod.

9. The seat assembling apparatus according to claim 5, wherein: the conveying channel is provided with a vibrator below, and the conveying channel is provided with a vibrating material arranging device at one end far away from the opening.

10. The seat assembling apparatus according to claim 1, wherein: still include the seat carrying device, be located the left side or the right side of subassembly are fixed to the back, the seat carrying device includes second manipulator, circumference drive assembly and seat stores pylon, circumference drive assembly includes seventh driver part and mount pad, seventh driver part's output is equipped with the rack, the seat stores pylon rotationally install in through the pivot the mount pad, the cover is equipped with the gear in the pivot, the gear with rack toothing, the second manipulator with the mount pad is connected.

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