CN212329559U

CN212329559U - Squeeze riveter suitable for official working seat

Info

Publication number: CN212329559U
Application number: CN202020114589.9U
Authority: CN
Inventors: 王江林; 王郑兴; 姚林强
Original assignee: Henglin Home Furnishings Co Ltd
Current assignee: Henglin Home Furnishings Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-01-12
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to the technical field of machining of office chairs, in particular to a riveting press suitable for office chairs, which comprises a support frame, wherein the support frame is respectively provided with a driving mechanism, a rivet adjusting mechanism, a rivet guiding mechanism, a mechanical operating mechanism, a first transmission mechanism and a riveting press mechanism; the driving end of the driving mechanism is in transmission connection with the rivet adjusting mechanism through a third transmission mechanism, and the rivet guiding mechanism is rotatably arranged at the lower part of the rivet adjusting mechanism through a rotating part or is rotatably arranged at the top of the support frame; the mechanical operation mechanism is in transmission connection with a driving shaft of the driving mechanism or the first transmission mechanism through the second transmission mechanism, the second transmission mechanism is connected with the driving shaft of the driving mechanism or the first transmission mechanism through the clutch structure, the first transmission mechanism is in rotation connection with the pressure riveting mechanism, and the pressure riveting mechanism is arranged in a vertical sliding mode relative to the support frame. The utility model has the characteristics of efficiency is higher, intensity of labour is less and require not high to operating skill.

Description

Squeeze riveter suitable for official working seat

Technical Field

The utility model relates to a machining technical field of official working seat, in particular to squeeze riveter suitable for official working seat.

Background

The seat is one of furniture commonly used in the existing furniture life, and in the manufacturing and processing process of the seat, a rivet is generally required to be riveted on a seat plate of the seat. At present, the mode of riveting the rivet on the seat plate is manually and manually riveting by using a riveter, the manual riveting mode using the riveter has lower efficiency, the labor intensity of operators is higher, the production efficiency can only reach 150 rivets/hour/person, the production capacity requirement cannot be met, and the technical requirement on the operators is higher, so that the automatic production significance of realizing the riveting of the rivet on the seat plate is great, and the method is very needed.

Therefore, the existing rivet pressing on the seat plate has the problems of low efficiency, high labor intensity and high requirement on operation skills.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the above-mentioned technical problem that the present rivet is riveted the existence on the seat bedplate, provide a squeeze riveter suitable for official working seat, it has the characteristics that efficiency is higher, intensity of labour is less and require not high to operating skill.

The technical scheme of the utility model: a squeeze riveter suitable for office chairs comprises a support frame, wherein a driving mechanism, a rivet adjusting mechanism, a rivet guiding mechanism, a mechanical operating mechanism, a first transmission mechanism and a squeeze riveter are respectively arranged on the support frame; the driving end of the driving mechanism is in transmission connection with the rivet adjusting mechanism through a third transmission mechanism, the rivet guide mechanism is rotatably arranged at the lower part of the rivet adjusting mechanism through a rotating part or is rotatably arranged at the top of the support frame, and a rivet input port of the rivet guide mechanism is connected with a rivet output port of the rivet adjusting mechanism; the mechanical operation mechanism rotates and is arranged on the lower portion of the support frame, the mechanical operation mechanism is in transmission connection with a driving shaft of the driving mechanism or a first transmission mechanism through a second transmission mechanism, the second transmission mechanism is connected with the driving shaft of the driving mechanism or the first transmission mechanism through a clutch structure, the first transmission mechanism rotates and is arranged on the top of the support frame, the first transmission mechanism is in rotation connection with the pressure riveting mechanism, and the pressure riveting mechanism slides up and down relative to the support frame. The utility model discloses wholly include the support frame, actuating mechanism, rivet guiding mechanism, mechanical operation mechanism, first drive mechanism, press and rivet the mechanism, third drive mechanism, second drive mechanism and separation and reunion structure, each is correlated with each other between the mechanism, in coordination, just can transmit actuating mechanism's drive power to press and rivet the mechanism through operating mechanical operation mechanism, carry out the rivet pressing operation on the seat board of rivet, compare with the operation mode of carrying out the rivet pressing by hand, press and rivet efficiency and improve greatly, intensity of labour has also greatly reduced, the workman only need put the seat board in the position that the mechanism was riveted by press to the rivet, simple operation mechanical operation mechanism just can carry out the rivet pressing operation, operation is not dangerous yet; the utility model provides the initial driving acting force for the pressure riveting operation by arranging the driving mechanism; the utility model discloses a set up third drive mechanism and come to drive actuating force transmission for actuating mechanism to rivet guiding mechanism, make the partial part in the rivet guiding mechanism rotate, come to adjust the rivet output state that gets into in the rivet guiding mechanism, guarantee that the rivet that arrives pressure riveting mechanism department after the adjustment is the state that meets the requirements, it is enough that the pressure riveting mechanism directly carries out the pressure riveting to the rivet that arrives corresponding position department, rivet guiding mechanism can carry out good adjustment to the output state of output rivet, the pressure riveting qualification rate of pressure riveting mechanism has been guaranteed; the utility model has the advantages that the rivet guide mechanism is arranged to smoothly convey the rivets which are sent out after the rivet adjusting mechanism is adjusted and meet the state requirements to the press riveting position of the press riveting mechanism; the rivet guide mechanism is rotatably arranged relative to the output port of the rivet adjusting mechanism through the rotating piece, so that the rivet guide mechanism can adapt to the press riveting action of the press riveting mechanism, and rivets in the rivet guide mechanism can be sequentially conveyed to the press riveting position of the press riveting mechanism one by one for press riveting; the utility model discloses a set up mechanical operation mechanism and come to carry out artifical mechanical control to the pressure riveting work of pressing the mechanism of riveting, exert the effort once to mechanical operation mechanism, actuating mechanism just drives and presses the mechanism of riveting and carry out the operation of pressing the riveting once, when not exerting the effort to mechanical operation mechanism, even actuating mechanism is in the rotation operating condition, press the mechanism of riveting and can not receive actuating force of actuating mechanism yet, press the mechanism of riveting and will still be in waiting to press the state of riveting; the utility model effectively conducts the acting force condition received by the mechanical operating mechanism by arranging the second transmission mechanism, and the acting force condition received by the second transmission mechanism by arranging the clutch structure acts on the first transmission mechanism, thereby realizing the clutch control of the acting force conduction between the driving mechanism and the press riveting mechanism by the operation control of the mechanical operating mechanism; the utility model discloses a set up the separation and reunion effort that first drive mechanism accepted the separation and reunion structure, will apply to the separation and reunion effort on pressing and riveting the mechanism, and then control is pressed and is riveted the operation of pressing that the mechanism is once more again.

Preferably, the second transmission mechanism comprises a first pull rod, one end of the first pull rod is rotatably connected with the mechanical pedal, a second pull rod is rotatably arranged at one end, far away from the mechanical pedal, of the first pull rod, the second pull rod is rotatably arranged at the lower part of the support frame, a third pull rod is rotatably arranged at one end, far away from the first pull rod, of the second pull rod, and one end, far away from the second pull rod, of the third pull rod is rotatably connected with the clutch structure. The pedal effect is acted on mechanical pedal with operating personnel, and mechanical pedal drives the pulling of first pull rod, and the pulling of first pull rod drives the second pull rod and rotates, and the rotation of second pull rod can stimulate the third pull rod, and the pulling of third pull rod drives the separation and reunion of separation and reunion structure, and whole second drive mechanism's simple structure is better to the transmission effect of operating personnel pedal effect.

Preferably, the clutch structure includes first clutch spare, with first clutch spare assorted second clutch spare and can realize the clutch lever that first clutch spare and second clutch spare clutched each other, the one end of keeping away from the one end rotation of second pull rod on clutch lever and the third pull rod is connected, the clutch lever rotates and sets up on the support frame, first clutch spare sets firmly in actuating mechanism's drive shaft, the activity of second clutch spare sets up on first drive mechanism, the one end and the second clutch spare swing joint of third pull rod are kept away from to the clutch lever. The clutch structure in the utility model comprises a first clutch part, a second clutch part and a clutch lever, the clutch lever is used for receiving the pulling acting force of a third pull rod, after the clutch lever receives the pulling of the third pull rod, the end part of the clutch rod acts a stirring action force on the second clutch piece, the second clutch piece moves radially relative to the first transmission mechanism under the stirring action force of the clutch rod, the second clutch piece after moving is in contact fit with the first clutch piece, the first transmission mechanism receives the driving action force of the driving mechanism, the pressure riveting mechanism performs one-time pressure riveting work, the clutch rod relieves the stirring action force on the second clutch piece, the second clutch piece returns to the initial position under the elastic action of the internal elastic piece and is not in contact fit with the first clutch piece, the first transmission mechanism does not receive the driving action force of the driving mechanism any more, and the pressure riveting mechanism stops the pressure riveting work; the whole clutch structure is simple in structure and good in clutch effect.

Preferably, the first transmission mechanism comprises a first rotating shaft and a first transmission rod rotatably arranged at the top of the support frame, the first rotating shaft is rotatably arranged on the support frame, the second clutch is movably arranged on the first rotating shaft and close to one end of the driving mechanism, the second clutch is movably arranged relative to the first rotating shaft in the radial direction, the second clutch is fixedly arranged relative to the first rotating shaft in the axial direction, an eccentric wheel is movably sleeved on the first rotating shaft, a second transmission rod is movably arranged on the outer annular surface of the eccentric wheel, a second guide hole is formed in the second transmission rod, a second guide rod is arranged at one end of the first transmission rod, the second guide rod is movably arranged in the second guide hole, and one end of the first transmission rod, which is far away from the second guide hole, is rotatably connected with the pressure riveting mechanism. The first rotating shaft is used for receiving the driving acting force of the driving mechanism through the clutch of the second clutch piece, wherein the second clutch piece is movably arranged in the radial direction of the end part of the first rotating shaft through the elastic piece; the first transmission rod is rotatably arranged at the top of the support frame, and the periodic transmission acting force of the second transmission rod is transmitted to the press riveting mechanism through the lever principle; the eccentric wheel movably sleeved on the first rotating shaft is used for converting the rotating acting force of the first rotating shaft rotating for one circle into the reciprocating lever acting force of the second transmission rod on the first transmission rod; the second guide hole is used for limiting and guiding the second guide rod, so that the second guide rod can only move along the extension direction of the second guide hole, when the second transmission rod moves upwards, the second guide hole pushes the second guide rod to move upwards, the second guide rod transmits pushing acting force to the first transmission rod, and the first transmission rod drives the press-riveting mechanism to realize one-side pressing action; the design is ingenious, the transmission and the conversion of the interaction force among all the parts in the whole first transmission mechanism are smooth, and the effect is good.

Preferably, the press riveting mechanism comprises a press rod and a positioning block fixedly arranged on the support frame, the press rod is movably arranged in the support frame along the vertical direction, one end of the press rod is rotatably connected with one end, away from the second guide hole, of the first transmission rod, one end, away from the first transmission rod, of the press rod penetrates through the support frame and then is positioned outside the support frame, and one end, away from the first transmission rod, of the press rod is provided with a positioning rod; the positioning block is provided with a positioning through hole, a positioning column is arranged in the positioning through hole, the positioning column is adjusted and arranged in the positioning through hole through an adjusting screw rod and corresponds to the positioning rod, a seat board is movably arranged on the positioning column, a plurality of positioning holes are formed in the seat board, and the positioning holes are matched with the end portions of the positioning column. The pressure lever is used for receiving the pull-up and press-down acting force of the first transmission lever; the positioning block is used for supporting the seat board to be pressed and riveted; the positioning rod is used for positioning the rivet during press riveting, and the rivet deflects when being placed during press riveting; the positioning through holes are used for installing and positioning the positioning columns, the positioning columns can be flexibly replaced according to positioning holes of different sizes, the positioning columns are adjusted and arranged in the positioning through holes through the adjusting screws after replacement, the positioning through holes, the positioning columns and the positioning rods are all located on the same vertical line, and stable pressure riveting of rivets at the positioning holes of the seat board is guaranteed.

Preferably, a pushing piece is arranged at one end of the pressure lever, which is far away from the first transmission rod, and the pushing piece corresponds to the rivet guide mechanism. The pushing piece moves along with the pressure rod, when the pressure rod is pressed down, the pushing piece can push the rivet guide mechanism to rotate towards the direction far away from the positioning rod, and at the moment, the rivet of the rivet guide mechanism close to the positioning rod is positioned by the positioning rod, separated from the rivet guide mechanism and then pressed and riveted in the corresponding positioning hole of the seat wood board; when the pressure lever is lifted, the pushing piece also moves upwards to release the pushing of the rivet guide mechanism, and the rivet guide mechanism returns to the initial position again.

Preferably, the rivet adjusting mechanism comprises a supporting block, the supporting block is fixedly arranged on the supporting frame, an accommodating groove is formed in one side face of the supporting block, a feeding hopper is arranged at the top of the supporting block, a second sliding groove is formed in one side, where the accommodating groove is located, of the supporting block, and an outlet of the second sliding groove forms a rivet output port of the rivet adjusting mechanism; the adjusting step is arranged in the accommodating groove and located on one side where the second sliding groove is located in the accommodating groove, and the top end of the adjusting step is connected with the groove bottom surface of the second sliding groove in a smooth transition mode. The accommodating groove is used for accommodating rivets added from the feed hopper; the second sliding chute is used for outputting the rivets in the qualified state after adjustment; the adjusting step is used for adjusting the output state of the rivet, so that the rivets reaching the top end face of the adjusting step from the accommodating groove are all rivets with the large end inward and the small end outward meeting the requirements; the state adjustment mode to the rivet is simple, and the rivet that gets into in the second spout after adjusting by the adjustment step is the rivet state that accords with the output requirement, and is better to the adjustment effect of rivet.

Preferably, one side that is located the holding tank place on the supporting shoe is equipped with first spout, first spout is linked together the inside and the holding tank of feeder hopper, the bottom of adjustment step is connected with the groove bottom surface smoothness of first spout excessively. The first chute is used for orderly conveying the rivets in the feeding hopper into the accommodating groove, and after the rivets in the accommodating groove are continuously adjusted and output, the rivets in the feeding hopper can continuously slide into the accommodating groove from the first chute for replenishment; first spout is the structure of open slot, and operating personnel can observe the quantity and the rotation adjustment condition of rivet in the holding tank through first spout.

Preferably, a second rotating shaft is arranged at the position, where the containing groove is located, of the supporting block, a stopping block is connected to one end, located on the side where the containing groove is located, of the second rotating shaft through threads, a containing shell is movably sleeved on the second rotating shaft and located between the containing groove and the stopping block, a containing cavity is formed in the space between the containing shell and the containing groove, and a plurality of screening holes are formed in the outer annular surface of the containing shell. The space between the accommodating shell and the accommodating groove forms an accommodating cavity, and the rivet to be adjusted is positioned in the accommodating cavity; a plurality of screening holes on the outer anchor ring that holds the shell are used for the screening to the rivet, and only the rivet that accords with the screening hole shape can follow and hold the intracavity and get into the second spout after the output of screening hole, and screening hole and adjustment step synergism are adjusted the rivet for suitable state that can follow the downthehole passing through of screening, and are better to the adjustment effect of rivet.

Preferably, the rivet guide mechanism comprises a guide plate, the guide plate is of an L-shaped structure, smooth transition is formed between the vertical section and the horizontal section of the guide plate, a guide sliding groove is formed in the guide plate, and the direction of a notch of the guide sliding groove is the same as that of a notch of the accommodating groove; the vertical open end of the guide chute is connected with the outlet of the second chute, a notch is arranged at the end part of the horizontal section of the guide plate, and the notch corresponds to the positioning rod. The guide plate is designed into an L-shaped structure, and smooth transition is formed between the vertical section and the horizontal section of the guide plate, so that the rivet coming out of the second chute can be smoothly, stably and without being clamped to the position to be pressed and riveted of the pressing and riveting mechanism; the shape of the guide sliding chute is matched with that of the rivet, the big head part of the rivet can slide in the guide sliding chute, and the small head part of the rivet is positioned outside the guide sliding chute; the notch is used for the contact positioning of the positioning rod and the rivet at the end part of the horizontal section in the guide sliding chute.

The utility model discloses following beneficial effect has:

(1) the riveting machine integrally comprises a support frame, a driving mechanism, a rivet adjusting mechanism, a rivet guiding mechanism, a mechanical operating mechanism, a first transmission mechanism, a riveting mechanism, a third transmission mechanism, a second transmission mechanism and a clutch structure, all the mechanisms are mutually associated and cooperatively matched, the driving force of the driving mechanism can be transmitted to the riveting mechanism by operating the mechanical operating mechanism, and the riveting operation of rivets on a seat plate is carried out;

(2) the driving mechanism is arranged to provide initial driving acting force for the riveting operation; the third transmission mechanism is arranged to transmit the driving acting force of the driving mechanism to the rivet adjusting mechanism, so that part of components in the rivet adjusting mechanism rotate to adjust the output state of the rivet entering the rivet adjusting mechanism, the rivet arriving at the rivet pressing mechanism after adjustment is in a state meeting the requirements, the rivet pressing mechanism directly presses and rivets the rivet arriving at the corresponding position, the rivet adjusting mechanism can well adjust the output state of the output rivet, and the rivet pressing qualification rate of the rivet pressing mechanism is ensured;

(3) the rivet guide mechanism is arranged to smoothly convey the rivets which are sent out after the rivet adjusting mechanism is adjusted and meet the state requirement to the riveting position of the riveting mechanism; the rivet guide mechanism is rotatably arranged relative to the output port of the rivet adjusting mechanism through the rotating piece, so that the rivet guide mechanism can adapt to the press riveting action of the press riveting mechanism, and rivets in the rivet guide mechanism can be sequentially conveyed to the press riveting position of the press riveting mechanism one by one for press riveting; the riveting mechanism is manually and mechanically controlled by arranging the mechanical operating mechanism, the driving mechanism drives the riveting mechanism to perform one-time riveting operation by applying an acting force to the mechanical operating mechanism, and when the acting force is not applied to the mechanical operating mechanism, the riveting mechanism cannot receive the driving acting force of the driving mechanism even if the driving mechanism is in a rotating working state, and the riveting mechanism is still in a state to be riveted;

(4) the second transmission mechanism is arranged to effectively transmit the acting force condition received by the mechanical operation mechanism, and the clutch structure is arranged to apply the acting force condition received by the second transmission mechanism to the mechanical operation mechanism on the first transmission mechanism, so that clutch control of acting force transmission between the driving mechanism and the press riveting mechanism is realized through operation control of the mechanical operation mechanism; the first transmission mechanism is arranged to receive the clutch acting force of the clutch structure, the clutch acting force acts on the press riveting mechanism, and the press riveting operation of the press riveting mechanism is controlled again and again.

Drawings

Fig. 1 is a schematic view of a first structure of the present invention;

fig. 2 is a second schematic structural view of the present invention;

fig. 3 is a schematic view of a third structure of the present invention;

fig. 4 is a fourth structural schematic diagram of the present invention;

fig. 5 is a schematic structural diagram of the clutch structure of the present invention;

FIG. 6 is a schematic structural view of the adjusting step of the present invention;

FIG. 7 is a schematic view of the structure of the screen hole of the present invention;

FIG. 8 is a schematic view of a first configuration of the rivet of the present invention;

FIG. 9 is a second structural view of the rivet of the present invention;

fig. 10 is a schematic structural diagram of the seat plank of the present invention.

The labels in the figures are: 100-support frame, 101-elastic buffer piece, 1011-support rod, 1012-elastic block, 102-pushing piece, 1021-push rod, 1022-rubber roller, 103-support base, 104-support upright rod, 105-support cross rod, 200-driving mechanism, 300-rivet adjusting mechanism, 301-support block, 302-accommodating groove, 303-feed hopper, 304-second chute, 305-adjusting step, 306-first chute, 307-second rotating shaft, 308-stop block, 309-accommodating shell, 310-screening hole, 311-second spring, 312-fifth driving wheel, 400-rivet guiding mechanism, 401-guide plate, 402-guide chute, 403-notch, 404-return component, 4041-mounting plate, 4042-baffle, 4043-return spring, 405-inclined plate, 500-mechanical operating mechanism, 501-second rotating shaft, 600-first transmission mechanism, 601-first rotating shaft, 602-first transmission rod, 603-eccentric wheel, 604-second transmission rod, 605-second guide hole, 606-second guide rod, 607-third spring, 700-rivet pressing mechanism, 701-pressing rod, 702-positioning block, 703-positioning rod, 704-positioning through hole, 705-positioning column, 706-adjusting screw rod, 707-seat plank, 708-positioning hole, 709-rivet, 800-third transmission mechanism, 801-third transmission wheel, 802-fourth transmission wheel, 900-rotating piece, 901-rotating rod, 902-mounting block, 1000-second transmission, 1001-first drawbar, 1002-second drawbar, 1003-third drawbar, 1004-first spring, 1100-clutch structure, 1101-first clutch, 1102-second clutch, 1103-clutch lever.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

As shown in fig. 1, 2, 3 and 4, a squeeze riveter suitable for office chairs includes a support frame 100, on which a driving mechanism 200, a rivet adjusting mechanism 300, a rivet guiding mechanism 400, a mechanical operating mechanism 500, a first transmission mechanism 600 and a squeeze riveter 700 are respectively disposed; the driving end of the driving mechanism is in transmission connection with the rivet adjusting mechanism through a third transmission mechanism 800, the rivet guide mechanism is rotatably arranged at the lower part of the rivet adjusting mechanism or rotatably arranged at the top of the support frame through a rotating part 900, and a rivet input port of the rivet guide mechanism is connected with a rivet output port of the rivet adjusting mechanism; the mechanical operating mechanism is rotatably arranged at the lower part of the support frame, the mechanical operating mechanism is in transmission connection with a driving shaft of the driving mechanism or a first transmission mechanism through a second transmission mechanism 1000, the second transmission mechanism is connected with the driving shaft of the driving mechanism or the first transmission mechanism through a clutch structure 1100 shown in fig. 5, the first transmission mechanism is rotatably arranged at the top of the support frame, the first transmission mechanism is rotatably connected with the pressure riveting mechanism, and the pressure riveting mechanism is arranged in a manner of sliding up and down relative to the support frame. The utility model discloses wholly include the support frame, actuating mechanism, rivet guiding mechanism, mechanical operation mechanism, first drive mechanism, the mechanism is riveted to the pressure, third drive mechanism, second drive mechanism and separation and reunion structure, each is correlated with each other between the mechanism, in coordination, just can transmit actuating mechanism's drive power to the mechanism is riveted to the pressure through operating mechanical operation mechanism, carry out the operation of riveting the rivet on the seat board as shown in figure 8 and figure 9, compare with the operation mode of riveting by hand, the efficiency of riveting is greatly improved, intensity of labour is also greatly reduced, the workman only need put the seat board in the position that the mechanism was riveted to the pressure, simple operation mechanical operation mechanism just can carry out the operation of riveting, the operation is not dangerous yet; the utility model provides the initial driving acting force for the pressure riveting operation by arranging the driving mechanism; the utility model discloses a set up third drive mechanism and come to drive actuating force transmission for actuating mechanism to rivet guiding mechanism, make the partial part in the rivet guiding mechanism rotate, come to adjust the rivet output state that gets into in the rivet guiding mechanism, guarantee that the rivet that arrives pressure riveting mechanism department after the adjustment is the state that meets the requirements, it is enough that the pressure riveting mechanism directly carries out the pressure riveting to the rivet that arrives corresponding position department, rivet guiding mechanism can carry out good adjustment to the output state of output rivet, the pressure riveting qualification rate of pressure riveting mechanism has been guaranteed; the utility model has the advantages that the rivet guide mechanism is arranged to smoothly convey the rivets which are sent out after the rivet adjusting mechanism is adjusted and meet the state requirements to the press riveting position of the press riveting mechanism; the rivet guide mechanism is rotatably arranged relative to the output port of the rivet adjusting mechanism through the rotating piece, so that the rivet guide mechanism can adapt to the press riveting action of the press riveting mechanism, and rivets in the rivet guide mechanism can be sequentially conveyed to the press riveting position of the press riveting mechanism one by one for press riveting; the utility model discloses a set up mechanical operation mechanism and come to carry out artifical mechanical control to the pressure riveting work of pressing the mechanism of riveting, exert the effort once to mechanical operation mechanism, actuating mechanism just drives and presses the mechanism of riveting and carry out the operation of pressing the riveting once, when not exerting the effort to mechanical operation mechanism, even actuating mechanism is in the rotation operating condition, press the mechanism of riveting and can not receive actuating force of actuating mechanism yet, press the mechanism of riveting and will still be in waiting to press the state of riveting; the utility model effectively conducts the acting force condition received by the mechanical operating mechanism by arranging the second transmission mechanism, and the acting force condition received by the second transmission mechanism by arranging the clutch structure acts on the first transmission mechanism, thereby realizing the clutch control of the acting force conduction between the driving mechanism and the press riveting mechanism by the operation control of the mechanical operating mechanism; the utility model discloses a set up the separation and reunion effort that first drive mechanism accepted the separation and reunion structure, will apply to the separation and reunion effort on pressing and riveting the mechanism, and then control is pressed and is riveted the operation of pressing that the mechanism is once more again.

The mechanical operating mechanism is a mechanical pedal, the mechanical pedal is rotatably arranged at the lower part of the support frame through a second rotating shaft 501, and one end of the mechanical pedal, which is far away from the pedal, is rotatably connected with the second transmission mechanism. The mechanical pedal is selected as the mechanical operating mechanism, and an operator can control the press riveting operation of the press riveting mechanism by only stepping on the mechanical pedal with feet, so that the operation is very simple.

The second transmission mechanism comprises a first pull rod 1001, one end of the first pull rod is connected with the mechanical pedal in a rotating mode, one end, far away from the mechanical pedal, of the first pull rod is provided with a second pull rod 1002 in a rotating mode, the second pull rod is arranged on the lower portion of the supporting frame in a rotating mode, one end, far away from the first pull rod, of the second pull rod is provided with a third pull rod 1003 in a rotating mode, and one end, far away from the second pull rod, of the third pull rod is connected with the clutch structure in a rotating mode. The pedal effect is acted on mechanical pedal with operating personnel, and mechanical pedal drives the pulling of first pull rod, and the pulling of first pull rod drives the second pull rod and rotates, and the rotation of second pull rod can stimulate the third pull rod, and the pulling of third pull rod drives the separation and reunion of separation and reunion structure, and whole second drive mechanism's simple structure is better to the transmission effect of operating personnel pedal effect.

A first spring 1004 is arranged beside the first pull rod on the support frame, and the first spring and one end of the second pull rod close to the first pull rod are connected. The first spring is used for when operating personnel removes pedal effort, and first spring can in time stimulate the second pull rod and resume the normal position, and through the continuous conduction between the effort, mechanical pedal also can in time resume initial condition, and then prepares for next mechanical control work.

The clutch structure includes first clutch 1101, with first clutch assorted second clutch 1102 and can realize the clutch lever 1103 of first clutch and second clutch mutual separation and reunion, the one end of keeping away from the one end rotation of second pull rod on the one end of clutch lever and the third pull rod is connected, the clutch lever rotates and sets up on the support frame, first clutch sets firmly in actuating mechanism's drive shaft, the activity of second clutch sets up on first drive mechanism, the one end and the second clutch swing joint of third pull rod are kept away from to the clutch lever. The clutch structure in the utility model comprises a first clutch part, a second clutch part and a clutch lever, the clutch lever is used for receiving the pulling acting force of a third pull rod, after the clutch lever receives the pulling of the third pull rod, the end part of the clutch rod acts a stirring action force on the second clutch piece, the second clutch piece moves radially relative to the first transmission mechanism under the stirring action force of the clutch rod, the second clutch piece after moving is in contact fit with the first clutch piece, the first transmission mechanism receives the driving action force of the driving mechanism, the pressure riveting mechanism performs one-time pressure riveting work, the clutch rod relieves the stirring action force on the second clutch piece, the second clutch piece returns to the initial position under the elastic action of the internal elastic piece and is not in contact fit with the first clutch piece, the first transmission mechanism does not receive the driving action force of the driving mechanism any more, and the pressure riveting mechanism stops the pressure riveting work; the whole clutch structure is simple in structure and good in clutch effect.

The first transmission mechanism comprises a first rotating shaft 601 and a first transmission rod 602 rotatably arranged at the top of the support frame, the first rotating shaft is rotatably arranged on the support frame, a second clutch piece is movably arranged at one end, close to the driving mechanism, of the first rotating shaft, the second clutch piece is movably arranged relative to the first rotating shaft, the second clutch piece is axially fixedly arranged relative to the first rotating shaft, an eccentric wheel 603 is movably sleeved on the first rotating shaft, a second transmission rod 604 is movably arranged on the outer annular surface of the eccentric wheel, a second guide hole 605 is arranged on the second transmission rod, a second guide rod 606 is arranged at one end of the first transmission rod, the second guide rod is movably arranged inside the second guide hole, and one end, far away from the second guide hole, of the first transmission rod is rotatably connected with the pressure riveting mechanism. The first rotating shaft is used for receiving the driving acting force of the driving mechanism through the clutch of the second clutch piece, wherein the second clutch piece is movably arranged in the radial direction of the end part of the first rotating shaft through the elastic piece; the first transmission rod is rotatably arranged at the top of the support frame, and the periodic transmission acting force of the second transmission rod is transmitted to the press riveting mechanism through the lever principle; the eccentric wheel movably sleeved on the first rotating shaft is used for converting the rotating acting force of the first rotating shaft rotating for one circle into the reciprocating lever acting force of the second transmission rod on the first transmission rod; the second guide hole is used for limiting and guiding the second guide rod, so that the second guide rod can only move along the extension direction of the second guide hole, when the second transmission rod moves upwards, the second guide hole pushes the second guide rod to move upwards, the second guide rod transmits pushing acting force to the first transmission rod, and the first transmission rod drives the press-riveting mechanism to realize one-side pressing action; the design is ingenious, the transmission and the conversion of the interaction force among all the parts in the whole first transmission mechanism are smooth, and the effect is good.

And a third spring 607 is directly arranged at one end of the first transmission rod close to the second transmission rod and one end of the second transmission rod close to the eccentric wheel. When the third spring is used for the second transmission rod to retreat to the initial position, the third spring can timely pull the first transmission rod, so that the first transmission rod pulls the pressure riveting mechanism to return to the state when the pressure riveting mechanism is ready to be pressed down again, and the second guide rod can reappear to reach the bottom of the second guide hole.

The press riveting mechanism comprises a press rod 701 and a positioning block 702 fixedly arranged on the support frame, the press rod is movably arranged in the support frame along the vertical direction, one end of the press rod is rotatably connected with one end, away from the second guide hole, of the first transmission rod, one end, away from the first transmission rod, of the press rod penetrates through the support frame and then is positioned outside the support frame, and one end, away from the first transmission rod, of the press rod is provided with a positioning rod 703; the positioning block is provided with a positioning through hole 704, a positioning column 705 is arranged in the positioning through hole, the positioning column is adjusted and arranged in the positioning through hole through an adjusting screw 706, the positioning column corresponds to the positioning rod, a seat board 707 shown in fig. 10 is movably arranged on the positioning column, the seat board is provided with a plurality of positioning holes 708, and the positioning holes are matched with the end parts of the positioning column. The pressure lever is used for receiving the pull-up and press-down acting force of the first transmission lever; the positioning block is used for supporting the seat board to be pressed and riveted; the positioning rod is used for positioning the rivet during press riveting, and the rivet deflects when being placed during press riveting; the positioning through holes are used for installing and positioning the positioning columns, the positioning columns can be flexibly replaced according to positioning holes of different sizes, the positioning columns are adjusted and arranged in the positioning through holes through the adjusting screws after replacement, the positioning through holes, the positioning columns and the positioning rods are all located on the same vertical line, and stable pressure riveting of rivets at the positioning holes of the seat board is guaranteed.

The positioning column is close to the flaring structure that the one end of locating lever gradually becomes big from top to bottom. The tip of reference column of flaring structure can carry out the snap-fit with the locating hole on the seat plank for different locating holes on the seat plank can quick cooperation cover establish the flaring tip at the reference column, make the rivet on the homoenergetic high efficiency pressure riveting in every locating hole on the seat plank.

The support frame is provided with an elastic buffer member 101, and the elastic buffer member corresponds to the rivet guide mechanism. When the pressing rod returns to the initial position, the rivet guide mechanism can also rotate to the initial position, the elastic buffer piece can relieve the acting force when the rivet guide mechanism rotates back to the initial position, and can position the initial position where the rivet guide mechanism rotates back, and when the rivet guide mechanism rotates back to the state position in contact with the elastic buffer piece, namely the initial position of the rivet guide mechanism, the rivet guide mechanism can always exert the effect of conveying and guiding the stable rivet to the riveting mechanism.

The elastic buffer piece comprises a support rod 1011 which is fixedly arranged on the support frame, and the end part of the support rod is provided with an elastic block 1012 which corresponds to the rivet guide mechanism. The plane when bracing piece and rivet guiding mechanism contact is mutually perpendicular, the bracing piece can fix a position the initial position that rivet guiding mechanism turned back to, state position when rivet guiding mechanism turned back to and contact with the bracing piece tip is exactly the initial position of rivet guiding mechanism, make rivet guiding mechanism can exert always to the stable rivet transport guide effect of riveting the mechanism, the elastic block of bracing piece tip can alleviate the collision effort with the bracing piece when rivet guiding mechanism turned back the initial position, avoided causing the damage of bracing piece and rivet guiding mechanism because the collision, avoid influencing the direction transport precision to the rivet of rivet guiding mechanism.

The end of the pressure lever far away from the first transmission lever is provided with a pushing piece 102, and the pushing piece corresponds to the rivet guide mechanism. The pushing piece moves along with the pressure rod, when the pressure rod is pressed down, the pushing piece can push the rivet guide mechanism to rotate towards the direction far away from the positioning rod, and at the moment, the rivet of the rivet guide mechanism close to the positioning rod is positioned by the positioning rod, separated from the rivet guide mechanism and then pressed and riveted in the corresponding positioning hole of the seat wood board; when the pressure lever is lifted, the pushing piece also moves upwards to release the pushing of the rivet guide mechanism, and the rivet guide mechanism returns to the initial position again.

The pushing piece comprises a pushing rod 1021, the pushing rod is fixedly arranged on the pressure rod, a rubber roller 1022 is rotatably arranged at the end part of the pushing rod, and the rubber roller corresponds to the rivet guide mechanism. The push rod is perpendicular to the plane corresponding to the rivet guide mechanism and used for receiving the pull-up and press-down acting force of the press rod, and the rubber roller can reduce the friction acting force and the generated noise when pushing the rivet guide mechanism while pushing the rivet guide mechanism.

The third transmission mechanism comprises a third transmission wheel 801, the third transmission wheel is arranged on a driving shaft of the driving mechanism, the third transmission wheel is connected with a fourth transmission wheel 802 through a belt, the fourth transmission wheel is rotatably arranged on the supporting frame, and the fourth transmission wheel is rotatably connected with the rivet adjusting mechanism through the belt. The third transmission mechanism composed of the third transmission wheel, the fourth transmission wheel and the belt is simple in structure and good in transmission stability of driving acting force of the driving mechanism.

The rivet adjusting mechanism comprises a supporting block 301, the supporting block is fixedly arranged on the supporting frame, an accommodating groove 302 is formed in one side face of the supporting block, a feeding hopper 303 is arranged at the top of the supporting block, a second sliding groove 304 is formed in one side, where the accommodating groove is located, of the supporting block, and an outlet of the second sliding groove forms a rivet output port of the rivet adjusting mechanism; an adjusting step 305 shown in fig. 6 is arranged in the accommodating groove, the adjusting step is positioned on one side of the second sliding groove in the accommodating groove, and the top end of the adjusting step is in smooth transition connection with the groove bottom surface of the second sliding groove. The accommodating groove is used for accommodating rivets added from the feed hopper; the second sliding chute is used for outputting the rivets in the qualified state after adjustment; the adjusting step is used for adjusting the output state of the rivet, so that the rivets reaching the top end face of the adjusting step from the accommodating groove are all rivets with the large end inward and the small end outward meeting the requirements; the state adjustment mode to the rivet is simple, and the rivet that gets into in the second spout after adjusting by the adjustment step is the rivet state that accords with the output requirement, and is better to the adjustment effect of rivet.

One side that lies in the holding tank place on the supporting shoe is equipped with first spout 306, and first spout is linked together the inside and the holding tank of feeder hopper, and the bottom of adjustment step is connected with the tank bottom surface smooth transition of first spout. The first chute is used for orderly conveying the rivets in the feeding hopper into the accommodating groove, and after the rivets in the accommodating groove are continuously adjusted and output, the rivets in the feeding hopper can continuously slide into the accommodating groove from the first chute for replenishment; first spout is the structure of open slot, and operating personnel can observe the quantity and the rotation adjustment condition of rivet in the holding tank through first spout.

The position that lies in the holding tank place on the supporting shoe is equipped with second pivot 307, and the one end threaded connection who lies in holding tank place side in the second pivot has backstop piece 308, and the movable sleeve is equipped with in the second pivot and holds shell 309, holds the shell and lies in between holding tank and the backstop piece in the second pivot, and the space formation that holds between shell and the holding tank holds the chamber, holds and is equipped with a plurality of screening holes 310 as shown in fig. 7 on the outer anchor ring face of shell. The space between the accommodating shell and the accommodating groove forms an accommodating cavity, and the rivet to be adjusted is positioned in the accommodating cavity; a plurality of screening holes on the outer anchor ring that holds the shell are used for the screening to the rivet, and only the rivet that accords with the screening hole shape can follow and hold the intracavity and get into the second spout after the output of screening hole, and screening hole and adjustment step synergism are adjusted the rivet for suitable state that can follow the downthehole passing through of screening, and are better to the adjustment effect of rivet.

The second spring 311 is sleeved on the second rotating shaft, and the second spring is located between the accommodating shell and the stop block on the second rotating shaft. The backstop piece can screw thread at the tip of second pivot and rotates, can adjust the second spring to the elastic force who holds the shell through the rotation that supports the dog, and the second spring cooperatees with another elastic component that holds the shell inside to the elastic force who holds the shell, can adjust according to actual need and hold the shell for the distance between the holding tank bottom surface of groove for hold the chamber, screen hole and adjust the step and be in the best rivet adjustment state.

Screening hole and rivet shape assorted T shape hole, the position of screening hole on holding the shell is corresponding with the regulation step, and the great part of screening hole width is close to in the bottom surface of holding tank, holds the plane that the one side place that the shell is close to in the holding tank and does not exceed the plane at top face place of adjustment step. The screening hole of T shape is according to the shape of rivet and the special design, holds the plane that the shell is close to the one side place that is close to the holding tank and does not exceed the plane at the top face place of adjustment step, holds the distance between the top face of shell and adjustment step and can adjust through rotating the backstop piece, and screening hole and adjustment step synergism are adjusted the rivet for suitable can follow the downthehole state of passing through of screening, and is better to the adjustment effect of rivet.

The cross section of the accommodating shell is circular; the one end that deviates from the holding tank in the second pivot is equipped with fifth drive wheel 312, and the fifth drive wheel passes through the belt and is connected with the fourth drive wheel. The cross sectional shape is circular shape and holds the shell for the rivet that is located and holds the intracavity matches and adjusts with the screening hole that holds on the shell that can be good when holding the shell and rotate, in the faster entering second spout under screening hole and adjustment step synergism.

The rivet guide mechanism comprises a guide plate 401, the guide plate is of an L-shaped structure, smooth transition is formed between the vertical section and the horizontal section of the guide plate, a guide sliding groove 402 is formed in the guide plate, and the direction of a notch of the guide sliding groove is the same as that of the notch of the accommodating groove; the vertical open end of direction spout links up with the export of second spout mutually, and the tip position of deflector horizontal segment is equipped with breach 403, and the breach is corresponding with the locating lever. The guide plate is designed into an L-shaped structure, and smooth transition is formed between the vertical section and the horizontal section of the guide plate, so that the rivet coming out of the second chute can be smoothly, stably and without being clamped to the position to be pressed and riveted of the pressing and riveting mechanism; the shape of the guide sliding chute is matched with that of the rivet, the big head part of the rivet can slide in the guide sliding chute, and the small head part of the rivet is positioned outside the guide sliding chute; the notch is used for the contact positioning of the positioning rod and the rivet at the end part of the horizontal section in the guide sliding chute.

A return component 404 is arranged on the upper portion of the guide plate, close to the end portion of the horizontal section of the guide plate, and is connected with the support frame. The return assembly enables the guide plate to timely return to a position which is initially in a good rivet conveying state after the pushing action force of the pushing piece on the guide plate is relieved; meanwhile, the return component can also prevent the rivet in the guide sliding groove from being separated from the notch of the guide sliding groove at will through shielding.

The return assembly comprises a mounting plate 4041, the mounting plate is fixedly arranged at a position, close to the end part of the horizontal section of the guide plate, on the guide plate, a baffle 4042 is arranged in a rotating mode, one end of the baffle is located at the outlet position of the sliding chute of the guide sliding chute, a return spring 4043 is arranged at the other end of the baffle, and the return spring is connected with the support frame after bypassing the mounting plate. The baffle plate is rotatably arranged relative to the mounting plate, one end of the baffle plate is positioned at the chute outlet of the guide chute, and the rivet in the guide chute can be prevented from being randomly separated from the chute opening of the guide chute through shielding; the return spring of the other end of the baffle plate enables the pushing piece to be in good position for conveying the rivet after the pushing action force on the guide plate is removed, the guide plate can be timely returned to the initial position where the rivet is in a good conveying state, the return spring and the baffle plate are mutually linked, the rivet needing to be pressed and riveted is separated from the notch of the guide sliding groove, the baffle plate can be immediately returned to the position where the notch of the guide sliding groove is shielded under the return action force of the return spring, the design is ingenious, and the return action and the shielding rivet separation action are integrated.

One side that deviates from the direction spout on the deflector is equipped with hang plate 405, and the incline direction of hang plate is for from top to bottom slope gradually, and the hang plate is corresponding with the impeller. The inclined plate is used for being matched with the pushing piece, the pushing piece moves downwards to be in contact with the inclined plate, gradual pushing of the guide plate is achieved, and therefore the guide plate rotates.

The rotation piece includes dwang 901, and the dwang rotates to set up on supporting shoe or support frame, has set firmly installation piece 902 on the dwang, and the deflector sets firmly on the installation piece. The rotating rod is used for rotating when the guide plate receives the pushing acting force; the guide plate is fixedly arranged on the mounting block, the mounting is stable, and the guide conveying effect of the guide sliding groove on the rivets is guaranteed.

The support frame comprises a support base 103 and a support upright rod 104 fixedly arranged on the support base, the support upright rod is of an L-shaped structure, the vertical section of the support upright rod is fixedly arranged on the support base, the vertical section of the support upright rod is fixedly provided with a support cross rod 105, the support cross rod is parallel to the horizontal section of the support upright rod, and the support cross rod is positioned below the horizontal section of the support upright rod; the locating piece sets firmly the tip at the support horizontal pole, and the depression bar sets up in the inside of supporting the pole setting horizontal segment along vertical direction activity. The integral structure of the support frame is specially designed according to the fixing, connecting and working processes of all mechanisms in the whole riveting process, and the support stability is good.

The utility model discloses a theory of operation does:

an operator correspondingly places a positioning hole 708 on a seat wood board 707 at the flared end of a positioning column 705 to realize positioning, the operator pedals a mechanical pedal once, the mechanical pedal pulls a first pull rod 1001, the first pull rod pulls a second pull rod 1002 to rotate, the second pull rod pulls a third pull rod 1003, the third pull rod pulls a clutch lever 1103 to rotate, the clutch lever pulls a second clutch member 1102, the second clutch member is in contact fit with a first clutch member 1101, and the fit mode can be a tooth fit mode; the first clutch piece transmits the driving acting force of the driving mechanism 200 to the first rotating shaft 601, the first rotating shaft rotates for one circle, the first rotating shaft drives the eccentric wheel 603 to perform one action, the deflection wheel pushes the second transmission rod 604 to move upwards, the second guide hole 605 pushes the second guide rod 606 to move upwards, the second guide rod pushes the first transmission rod 602 to rotate, the first transmission rod enables the pressure rod 701 to press downwards by utilizing the lever principle, the pushing piece 102 is driven to move downwards when the pressure rod presses downwards, the pushing piece is matched with the inclined plate 405 to push the guide plate 401 to rotate, the end part of the positioning rod 703 positions the rivet 709 at the end part of the guide sliding groove 402 when the pressure rod presses downwards, the rivet at the end part of the guide sliding groove is separated from the guide sliding groove, the positioning rod is matched with the positioning column 705 when the positioning rod presses downwards, and the rivet is pressed at the positioning hole 708 on the seat board, so accomplish the pressure riveting work of a rivet, when operating personnel is not at pedal mechanical pedal, the depression bar will not receive actuating force of actuating mechanism, and wherein actuating mechanism is driving motor, and third spring 607 will stimulate first transfer line 602 this moment, and first transfer line promotes the depression bar and pulls up.

When the number of rivets is insufficient, an operator adds rivets into the feed hopper 303, the rivets enter the accommodating cavity orderly along the first chute 306, the rivets 709 in the accommodating cavity are continuously matched with the shape of the screening holes 310 on the accommodating shell under the rotating action force of the accommodating shell 309, and under the synergistic action force of the screening holes and the adjusting step 305, only the rivets which meet the requirements and have inward large-head ends and outward small-head ends can enter the guide chute 402 after being output from the second chute 304 and slide to the notch 403, so that the output state of the rivets in the reciprocating accommodating cavity is continuously adjusted and then is output to the second chute; when the pressing rod 701 is pulled to the initial position, the return spring 404 pulls the guide plate 401 back to the original position, and after the elastic buffer 101 positions the guide plate, the guide plate returns to the initial position.

The driving motor pulls the third driving wheel 801 to rotate through a belt, the third driving wheel pulls the fourth driving wheel 802 to rotate through the belt, and the fourth driving wheel pulls the fifth driving wheel 312 to rotate through the belt.

Claims

1. The utility model provides a squeeze riveter suitable for official working seat, characterized by: the riveting device comprises a support frame (100), wherein a driving mechanism (200), a rivet adjusting mechanism (300), a rivet guiding mechanism (400), a mechanical operating mechanism (500), a first transmission mechanism (600) and a press riveting mechanism (700) are respectively arranged on the support frame; the driving end of the driving mechanism is in transmission connection with the rivet adjusting mechanism through a third transmission mechanism (800), the rivet guide mechanism is rotatably arranged at the lower part of the rivet adjusting mechanism or at the top of the support frame through a rotating part (900), and a rivet input port of the rivet guide mechanism is connected with a rivet output port of the rivet adjusting mechanism; the mechanical operation mechanism rotates and is arranged on the lower portion of the supporting frame, the mechanical operation mechanism is in transmission connection with a driving shaft of the driving mechanism or a first transmission mechanism through a second transmission mechanism (1000), the second transmission mechanism is connected with the driving shaft of the driving mechanism or the first transmission mechanism through a clutch structure (1100), the first transmission mechanism rotates and is arranged on the top of the supporting frame, the first transmission mechanism is in rotation connection with the pressure riveting mechanism, and the pressure riveting mechanism slides up and down relative to the supporting frame.

2. The squeeze riveter suitable for office chairs of claim 1, wherein: the second transmission mechanism comprises a first pull rod (1001), one end of the first pull rod is connected with the mechanical pedal in a rotating mode, one end, far away from the mechanical pedal, of the first pull rod is provided with a second pull rod (1002) in a rotating mode, the second pull rod is arranged on the lower portion of the supporting frame in a rotating mode, one end, far away from the first pull rod, of the second pull rod is provided with a third pull rod (1003) in a rotating mode, and one end, far away from the second pull rod, of the third pull rod is connected with the clutch structure in a rotating mode.

3. The squeeze riveter suitable for office chairs of claim 2, wherein: the clutch structure includes first clutch spare (1101), with first clutch spare assorted second clutch spare (1102) and can realize clutch lever (1103) that first clutch spare and second clutch spare clutched each other, keep away from the one end rotation of second pull rod on the one end of clutch lever and the third pull rod and be connected, the clutch lever rotates and sets up on the support frame, first clutch spare sets firmly in actuating mechanism's drive shaft, the activity of second clutch spare sets up on first drive mechanism, the one end and the second clutch spare swing joint of third pull rod are kept away from to the clutch lever.

4. The squeeze riveter suitable for office chairs of claim 3, wherein: the first transmission mechanism comprises a first rotating shaft (601) and a first transmission rod (602) rotatably arranged at the top of the support frame, the first rotating shaft is rotatably arranged on the support frame, the second clutch piece is movably arranged at one end of the first rotating shaft close to the driving mechanism, the second clutch piece is movably arranged relative to the radial direction of the first rotating shaft, the second clutch piece is fixedly arranged relative to the axial direction of the first rotating shaft, an eccentric wheel (603) is movably sleeved on the first rotating shaft, a second driving rod (604) is movably arranged on the outer ring surface of the eccentric wheel, a second guide hole (605) is arranged on the second transmission rod, a second guide rod (606) is arranged at one end of the first transmission rod, the second guide rod is movably arranged inside the second guide hole, and one end, far away from the second guide hole, of the first transmission rod is rotatably connected with the pressure riveting mechanism.

5. The squeeze riveter suitable for office chairs of claim 4, wherein: the pressure riveting mechanism comprises a pressure lever (701) and a positioning block (702) fixedly arranged on the support frame, the pressure lever is movably arranged inside the support frame along the vertical direction, one end of the pressure lever is rotatably connected with one end, away from the second guide hole, of the first transmission rod, one end, away from the first transmission rod, of the pressure lever penetrates through the support frame and then is positioned outside the support frame, and one end, away from the first transmission rod, of the pressure lever is provided with a positioning rod (703); be equipped with positioning hole (704) on the locating piece, be equipped with reference column (705) in the positioning hole, the reference column passes through adjusting screw (706) and adjusts the setting in the positioning hole, the reference column is corresponding with the locating lever, the activity is equipped with seat plank (707) on the reference column, be equipped with a plurality of locating holes (708) on the seat plank, the locating hole matches with the tip of reference column.

6. The squeeze riveter suitable for office chairs of claim 5, wherein: and a pushing piece (102) is arranged at one end of the pressure lever, which is far away from the first transmission rod, and corresponds to the rivet guide mechanism.

7. The squeeze riveter suitable for office chairs of claim 1, wherein: the rivet adjusting mechanism comprises a supporting block (301), the supporting block is fixedly arranged on the supporting frame, an accommodating groove (302) is formed in one side face of the supporting block, a feeding hopper (303) is arranged at the top of the supporting block, a second sliding groove (304) is formed in one side, where the accommodating groove is located, of the supporting block, and an outlet of the second sliding groove forms a rivet output port of the rivet adjusting mechanism; the adjusting step (305) is arranged in the accommodating groove, the adjusting step is located on one side where the second sliding groove is located in the accommodating groove, and the top end of the adjusting step is connected with the groove bottom surface of the second sliding groove in a smooth transition mode.

8. The press riveter suitable for office chairs of claim 7, wherein: one side that lies in the holding tank place on the supporting shoe is equipped with first spout (306), first spout is linked together the inside and the holding tank of feeder hopper, the bottom of adjustment step is connected with the tank bottom surface level and smooth transition of first spout.

9. The press riveter suitable for office chairs of claim 7, wherein: the position that lies in the holding tank place on the supporting shoe is equipped with second pivot (307), the one end threaded connection who lies in holding tank place side in the second pivot has backstop piece (308), the movable sleeve is equipped with in the second pivot and holds shell (309), it lies in between holding tank and the backstop piece in the second pivot to hold the shell, the space formation that holds between shell and the holding tank holds the chamber, it is equipped with a plurality of screening holes (310) on the outer anchor ring face of shell to hold.

10. The press riveter suitable for office chairs of claim 7, wherein: the rivet guide mechanism comprises a guide plate (401), the guide plate is of an L-shaped structure, smooth transition is formed between the vertical section and the horizontal section of the guide plate, a guide sliding groove (402) is formed in the guide plate, and the direction of a notch of the guide sliding groove is the same as that of a notch of the accommodating groove; the vertical open end of the guide chute is connected with the outlet of the second chute, and a notch (403) is arranged at the end part of the horizontal section of the guide plate.