CN218192368U

CN218192368U - Double-station riveting machine

Info

Publication number: CN218192368U
Application number: CN202222664610.4U
Authority: CN
Inventors: 江成标; 冯永杰
Original assignee: Foshan Shunde Ruike Industrial Control Equipment Co ltd
Current assignee: Foshan Shunde Ruike Industrial Control Equipment Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-03
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to a double-station riveting machine, which comprises a frame, wherein a workpiece conveying groove and a riveting conveying groove which are arranged at intervals are arranged on the frame, a clamping mechanism is arranged on the frame, and a nail separating device and a conveying mechanism are also arranged on the frame; the riveting conveying trough is characterized in that a first riveting mechanism and a second riveting mechanism are arranged on one side of the riveting conveying trough, conveying pipes for conveying rivets are arranged between the first riveting mechanism and the second riveting mechanism and the rivet distributor respectively, the rivet distributor conveys the rivets to the first riveting mechanism and the second riveting mechanism after distributing the rivets, clamping mechanisms are arranged on the other side of the riveting conveying trough corresponding to each riveting mechanism, workpieces reaching the riveting conveying trough are conveyed to riveting stations of the first riveting mechanism or the second riveting mechanism through the corresponding clamping mechanisms, and the first riveting mechanism and the second riveting mechanism rivet the rivets on the workpieces respectively. The workpiece is conveyed to the riveting station and the unloading station by the clamping mechanism, the existing equipment is not provided with a separate unloading mechanism, the equipment mechanism is simplified, and the equipment maintenance cost is reduced.

Description

Double-station riveting machine

Technical Field

The utility model relates to a riveter specifically is a duplex position riveter.

Background

Chinese patent No. CN114346153A discloses an automatic rivet press-mounting machine, which comprises a machine table, a feeding mechanism, a loading mechanism, an assembling seat, a pushing mechanism, a loading and returning mechanism, a pressing mechanism, a detecting mechanism, a discharging mechanism, and an automatic screw supply device. The feeding mechanism and the feeding mechanism are arranged on the table board, and the feeding mechanism, the assembling seat, the feeding and returning mechanism, the material pressing mechanism, the detecting mechanism, the discharging mechanism, the material pushing mechanism and the automatic screw feeding device are all arranged on the table board and located on two sides of the feeding mechanism. This structure is provided with an independent blanking mechanism, see paragraph 29 of its description. Therefore, the maintenance cost of the equipment is increased, and the mechanism of the equipment is complicated. And thus, is in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a duplex position riveter cancels solitary unloading mechanism, utilizes clamping mechanism to reach and carry work piece to riveting station and unload the station on, simplifies equipment mechanism, reduces the equipment maintenance cost of maintaining.

The double-station riveting machine comprises a rack, wherein a workpiece conveying groove and a riveting conveying groove are arranged on the rack at intervals, a clamping mechanism for conveying workpieces in the workpiece conveying groove onto the riveting conveying groove is arranged on the rack, and a rivet separator and a conveying mechanism for conveying rivets onto the rivet separator are further arranged on the rack; the riveting conveying trough is characterized in that a first riveting mechanism and a second riveting mechanism are arranged on one side of the riveting conveying trough, conveying pipes for conveying rivets are arranged between the first riveting mechanism and the second riveting mechanism and the rivet divider respectively, the rivet divider conveys the rivets to the first riveting mechanism and the second riveting mechanism after material division, clamping mechanisms are arranged on the other side of the riveting conveying trough corresponding to the first riveting mechanism and the second riveting mechanism respectively, workpieces reaching the riveting conveying trough are conveyed to riveting stations of the first riveting mechanism or the second riveting mechanism through the corresponding clamping mechanisms, and the first riveting mechanism and the second riveting mechanism rivet the rivets to the workpieces respectively. The workpiece is conveyed to the riveting station and the unloading station by the clamping mechanism, the existing equipment is not provided with a separate unloading mechanism, the equipment mechanism is simplified, and the equipment maintenance cost is reduced. Through setting up two riveting institutions, carry out solitary riveting to the work piece, improve work piece riveting precision.

Riveting conveyer trough one side corresponds first riveting machine and constructs, second riveting machine constructs and is equipped with clamping mechanism respectively, first riveting machine constructs, second riveting machine constructs, every clamping mechanism is the subtend setting with every clamping mechanism respectively, every clamping mechanism corresponds carries the work piece to on the riveting station of first riveting machine structure or second riveting machine structure, the clamping mechanism who corresponds moves toward the riveting station, in order to fix the work piece on the riveting station of first riveting machine structure or second riveting machine structure, prevent that the work piece from taking place to remove when the riveting, lead to the work piece inaccuracy processing.

And one end of the riveting conveying groove is provided with an unloading conveying groove, and the riveting conveying groove is communicated with the unloading conveying groove.

The riveting device comprises a rack, a riveting mechanism and a clamping mechanism, wherein a first movable plate which reciprocates transversely is arranged on the rack, a second movable plate which reciprocates longitudinally is arranged on the first movable plate, a third movable plate which reciprocates transversely is arranged on the second movable plate, each clamping mechanism comprises a first clamping jaw fixedly arranged on the second movable plate and a second clamping jaw fixedly arranged on the third movable plate, the first clamping jaw and the second clamping jaw are arranged at intervals, and each clamping mechanism is close to and far away from a riveting conveying groove through the second movable plate which reciprocates longitudinally; the second clamping jaw is close to or far away from the first clamping jaw through a third movable plate with reciprocating transverse motion so as to clamp or loosen a workpiece; each clamping mechanism reciprocates along the directions of the first riveting mechanism, the second riveting mechanism and the discharging conveying groove through the first movable plate which reciprocates transversely. The clamping mechanism is used for conveying workpieces to the riveting station and the unloading station, the existing device is omitted, a single unloading mechanism is arranged, the device mechanism is simplified, and the device maintenance cost is reduced.

A first reciprocating sliding assembly is arranged between the first movable plate and the rack platform so that the first movable plate is arranged on the rack platform in a sliding manner, and a second reciprocating sliding assembly is arranged between the first movable plate and the second movable plate so that the second movable plate is arranged on the first movable plate in a sliding manner; a third reciprocating sliding assembly is arranged between the second movable plate and the third movable plate, so that the third movable plate is arranged on the second movable plate in a sliding manner.

A plurality of adjusting fixing holes are formed in the third movable plate, strip-shaped fixing grooves are formed in the second clamping claw corresponding to the adjusting fixing holes, and the adjusting fixing holes are connected with the strip-shaped fixing grooves in an inserting mode through fasteners; the fixing position of the second clamping jaw on the third movable plate is adjusted through the strip-shaped fixing groove and the adjusting fixing hole, and then the clamping strokes of the first clamping jaw and the second clamping jaw are adjusted to adapt to clamping of workpieces of different sizes.

The clamping mechanism comprises a movable seat which moves in a reciprocating manner and a lifting seat which moves up and down and is arranged on the movable seat, one end of the lifting seat is provided with a first clamping block and a second clamping block which move in an opening and closing manner, and one side of the movable seat or the lifting seat is provided with a sensor for detecting incoming materials of workpieces; through the signal that the sensor sent, make the lift seat drive dress clamp splice move towards the work piece conveyer trough to the mechanism clamp is got to the realization clamp, gets the mechanism and carries the work piece to the riveting conveyer trough on through the sliding seat with the work piece.

Divide the nail ware to include the fixed plate, be equipped with first rivet pipe and second rivet pipe on the fixed plate, divide the nail ware still to divide the nail piece and the fixed nail seat that sets up in the fixed plate top including the activity, the activity divides the reciprocal activity of nail piece to set up between fixed plate and fixed nail seat, be equipped with the first nail groove of a plurality of on the fixed nail seat, the activity is divided and is equipped with a plurality of second nail groove on the nail piece, conveying mechanism carries the rivet to every first nail groove on, the second nail groove is along with the activity divide the activity of nail piece and aligns corresponding first nail groove of intercommunication or rivet pipe, in order to realize dividing the material and carrying of rivet.

Each riveting mechanism comprises a third rivet guide pipe, and the third rivet guide pipe is connected with the corresponding rivet guide pipe through a conveying pipe; the rivet of the third rivet guide pipe enters the riveting channel and props up the first positioning block and the second positioning block; each riveting mechanism further comprises a pressing rod which moves up and down along the riveting channel, and the pressing rod rivets the rivet to the workpiece in the downward movement process.

The double-station riveting machine further comprises a lifting mechanism arranged on one side of each riveting mechanism, the lifting mechanism is connected with the riveting mechanisms in a matched mode and drives the riveting mechanisms to be close to the riveting conveying grooves, the distance between the riveting mechanisms and the riveting stations is increased through the lifting mechanisms, a clearance is formed, and workpieces are conveyed to the riveting stations at first.

The utility model has the advantages as follows:

the other side of the riveting conveying groove is provided with a clamping mechanism corresponding to the first riveting mechanism and the second riveting mechanism respectively, a workpiece reaching the riveting conveying groove is conveyed to a riveting station of the first riveting mechanism or the second riveting mechanism through the corresponding clamping mechanism, and the first riveting mechanism and the second riveting mechanism are used for riveting the rivet on the workpiece respectively. The workpiece is conveyed to the riveting station and the unloading station by the clamping mechanism, the existing equipment is not provided with a separate unloading mechanism, the equipment mechanism is simplified, and the equipment maintenance cost is reduced. Through setting up two riveting institutions, carry out solitary riveting to the work piece, improve work piece riveting precision.

Each clamping mechanism reciprocates along the directions of the first riveting mechanism, the second riveting mechanism and the discharging conveying groove through the first movable plate which reciprocates transversely, the workpieces are conveyed to the riveting station and the discharging station through the clamping mechanism, the existing equipment is omitted, the discharging mechanism is not arranged independently, the equipment mechanism is simplified, and the equipment maintenance cost is reduced.

The fixing position of the second clamping jaw on the third movable plate is adjusted through the strip-shaped fixing groove and the adjusting fixing hole, and then the clamping strokes of the first clamping jaw and the second clamping jaw are adjusted to adapt to clamping of workpieces of different sizes.

The distance between the riveting mechanism and the riveting station is increased through the lifting mechanism, a clearance is formed, and the workpiece is conveniently conveyed to the riveting station firstly.

By integrating the above steps, the double-station riveting machine realizes the working procedures of automatic workpiece conveying, clamping, riveting and fixing, automatic riveting and processing, automatic discharging and the like, effectively realizes intelligent production of equipment, and reduces manual intervention.

Drawings

Fig. 1 is a schematic perspective view of the double-station riveting machine according to an embodiment of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the clamping mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a riveting mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic view of a three-dimensional cross-sectional structure of a riveting mechanism according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of the clamping mechanism disposed on the movable plate according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention.

Fig. 7 is a schematic view of another orientation structure of the clamping mechanism disposed on the movable plate according to an embodiment of the present invention.

Fig. 8 is a schematic perspective view of the nail dispenser according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-8, a double-station riveting machine comprises a frame 1, wherein a workpiece conveying groove 2 and a riveting conveying groove 3 are arranged on the frame 1 at intervals, a clamping mechanism 5 for conveying a workpiece 4 in the workpiece conveying groove 2 to the riveting conveying groove 3 is arranged on the frame 1, and a rivet distributor 6 and a conveying mechanism 7 for conveying rivets to the rivet distributor 6 are also arranged on the frame 1; the riveting conveying trough is characterized in that a first riveting mechanism 8 and a second riveting mechanism 9 are arranged on one side of the riveting conveying trough 3, conveying pipes for conveying rivets are arranged between the first riveting mechanism 8 and the second riveting mechanism 9 and the rivet distributor 6 respectively, the rivet distributor 6 distributes the material and then conveys the rivets to the first riveting mechanism 8 and the second riveting mechanism 9, a clamping mechanism 10 is arranged on the other side of the riveting conveying trough 3 corresponding to the first riveting mechanism 8 and the second riveting mechanism 9 respectively, workpieces 4 reaching the riveting conveying trough 3 are conveyed to a riveting station of the first riveting mechanism 8 or the second riveting mechanism 9 through the corresponding clamping mechanism 10, and the first riveting mechanism 8 and the second riveting mechanism 9 rivet the workpieces 4 respectively.

Referring to fig. 1, in the present embodiment, the conveying mechanism 7 is a vibrating disk.

Referring to fig. 1, in this embodiment, a reciprocating conveyor belt is disposed on the workpiece conveying trough 2, and the conveyor belt covers a driving wheel and a driven wheel, and the driving wheel is in transmission connection with a motor, a speed reducer, and the like.

Referring to fig. 6, a clamping mechanism 11 is respectively arranged on one side of the riveting conveying trough 3 corresponding to the first riveting mechanism 8 and the second riveting mechanism 9, the first riveting mechanism 8, the second riveting mechanism 9 and each clamping mechanism 11 are respectively arranged opposite to each clamping mechanism 10, each clamping mechanism 10 correspondingly conveys the workpiece 4 to a riveting station of the first riveting mechanism 8 or the second riveting mechanism 9, and the corresponding clamping mechanism 11 moves towards the riveting station to fix the workpiece 4 on the riveting station of the first riveting mechanism 8 or the second riveting mechanism 9.

In this embodiment, the clamping mechanism 11 includes a cylinder or a motor as a power source, one end of an electric push rod of the cylinder piston rod or the motor is provided with a clamping block, and the clamping block can be matched with the guide rail and the slide block to reciprocate towards the corresponding riveting station, so as to clamp or loosen the workpiece 4. The number of the clamping mechanisms 11 is two, and the two clamping mechanisms are arranged corresponding to riveting stations of the two riveting mechanisms.

Referring to fig. 6, a discharge conveying trough 12 is arranged at one end of the riveting conveying trough 3, and the riveting conveying trough 3 is communicated with the discharge conveying trough 12.

In this embodiment, the discharge conveyor chute 12 comprises a straight discharge conveying surface and an inclined discharge conveying surface. The straight discharging conveying surface and the conveying surface of the riveting conveying groove 3 are on the same plane. The workpieces can slide smoothly from the riveting conveying groove 3 to the discharging conveying groove 12, and automatic discharging can be carried out along the inclined discharging conveying surface.

A first movable plate 13 which reciprocates transversely is arranged on the rack 1, a second movable plate 14 which reciprocates longitudinally is arranged on the first movable plate 13, a third movable plate 15 which reciprocates transversely is arranged on the second movable plate 14, each clamping mechanism 10 comprises a first clamping jaw 19 fixedly arranged on the second movable plate 14 and a second clamping jaw 20 fixedly arranged on the third movable plate 15, the first clamping jaw 19 and the second clamping jaw 20 are arranged at intervals, and each clamping mechanism 10 is close to a position far away from the riveting conveying groove 3 through the second movable plate 14 which reciprocates longitudinally; the second clamping jaw 20 is close to or far away from the first clamping jaw 19 through a third movable plate 15 with reciprocating transverse motion so as to clamp or release the workpiece 4; each clamping mechanism 10 reciprocates along the directions of the first riveting mechanism 8, the second riveting mechanism 9 and the discharging conveying groove 12 through a first movable plate 13 which reciprocates transversely. The two clamping mechanisms 10 reciprocate along the first riveting mechanism 8, the second riveting mechanism 9 and the discharging conveying trough 12 through the first movable plate 13, so that the workpiece 4 is conveyed forwards from one riveting station to the other riveting station, and the machined workpiece 4 is conveyed to the discharging conveying trough 12 from the other riveting station.

In the present embodiment, the power source of each movable plate is a motor or a cylinder.

A first reciprocating sliding assembly 16 is arranged between the first movable plate 13 and the platform of the rack 1, so that the first movable plate 13 is slidably arranged on the platform of the rack 1, and a second reciprocating sliding assembly 17 is arranged between the first movable plate 13 and the second movable plate 14, so that the second movable plate 14 is slidably arranged on the first movable plate 13; a third reciprocating sliding assembly 18 is disposed between the second movable plate 14 and the third movable plate 15, so that the third movable plate 15 is slidably disposed on the second movable plate 14.

In the embodiment, each reciprocating sliding assembly comprises a linear guide rail and a sliding block arranged on the linear guide rail in a sliding mode.

A plurality of adjusting fixing holes 21 are formed in the third movable plate 15, strip-shaped fixing grooves 22 are formed in the second clamping claw 20 corresponding to the plurality of adjusting fixing holes 21, and the adjusting fixing holes 21 and the strip-shaped fixing grooves 22 are connected in an inserting mode through fasteners; the fixing position of the second clamping claw 20 on the third movable plate 15 is adjusted through the strip-shaped fixing groove 22 and the adjusting fixing hole 21, and then the clamping strokes of the first clamping claw 19 and the second clamping claw 20 are adjusted to adapt to clamping of workpieces 4 of different sizes.

Referring to fig. 2, the gripping mechanism 5 includes a movable seat 23 that reciprocates, and a lifting seat 24 that moves up and down and is disposed on the movable seat 23, one end of the lifting seat 24 is provided with a first clamping block 25 and a second clamping block 26 that open and close, and one side of the movable seat 23 or the lifting seat 24 is provided with a sensor 27 that detects the incoming material of the workpiece 4; through the signal that sensor 27 sent, make lift seat 24 drive the clamping piece and move towards work piece conveyer trough 2 to realize that the clamp is got mechanism 5 and is got work piece 4, press from both sides and get mechanism 5 and carry work piece 4 to riveting on the conveyer trough 3 through sliding seat 23.

In this embodiment, the lifting base 24 includes a lifting guide rail, a lifting plate, and a lifting slider, the lifting slider is connected with the lifting plate in a matching manner, and the lifting slider is slidably disposed on the lifting guide rail; the first clamping block 25 and the second clamping block 26 are arranged on the lifting plate, the movable seat 23 comprises a fixed supporting seat, and a movable plate block is arranged on the fixed supporting seat in a sliding manner, the movable plate block is connected with the lifting plate in a matching manner, and the power of the movable plate block and the lifting plate can be a motor or an air cylinder. The structure of the first clamping block 25 and the second clamping block 26 is mentioned in chinese patent No. CN114346153A, see fig. 6 in the drawings of the specification of the patent document. And will not be described in detail herein.

Referring to fig. 8, the nail separator 6 includes a fixing plate 28, a first rivet guide tube 29 and a second rivet guide tube 30 are disposed on the fixing plate 28, the nail separator 6 further includes a movable nail separating block 31 and a fixed nail seat 32 fixedly disposed above the fixing plate 28, the movable nail separating block 31 is disposed between the fixing plate 28 and the fixed nail seat 32 in a reciprocating manner, a plurality of first nail grooves are disposed on the fixed nail seat 32, a plurality of second nail grooves are correspondingly disposed on the movable nail separating block 31, the conveying mechanism 7 conveys the rivets to each first nail groove, and the second nail grooves move along with the movable nail separating block 31 and are aligned to communicate with the corresponding first nail grooves or rivet guide tubes, so as to realize the separation and conveyance of the rivets.

In the present embodiment, the movable nail-separating block 31 can linearly reciprocate between the fixed plate and the fixed nail seat through the slide block and the slide rail. An air cylinder or a motor is arranged at one end of the movable nail separating block 31, and a piston rod of the air cylinder or an electric push rod of the motor is connected with the movable nail separating block 31 in a matching mode.

Referring to fig. 3 and 4, each riveting mechanism comprises a third rivet guide tube 33, and the third rivet guide tube 33 is connected with the corresponding rivet guide tube through a conveying pipe; the third rivet guide pipes 33 are arranged on the positioning seats 34, each riveting mechanism further comprises a first positioning block 35 and a second positioning block 36 which are hinged on the positioning seats 34, a riveting channel 37 communicated with the third rivet guide pipes 33 is arranged between the first positioning block 35 and the second positioning block 36, rivets of the third rivet guide pipes 33 enter the riveting channel 37 and prop open the first positioning blocks 35 and the second positioning blocks 36; each riveting mechanism further comprises a press rod 38 which moves up and down along the riveting channel 37, and the press rod 38 rivets the rivet to the workpiece 4 in the downward movement.

Referring to fig. 3 and 4, in this embodiment, the pressing rod 38 is connected to the lifting cylinder or the lifting hydraulic cylinder in a matching manner, the pressing rod 38 is disposed on the sliding block, the piston rod of the lifting cylinder or the lifting hydraulic cylinder is connected to the sliding block in a matching manner, the sliding block is slidably disposed on the sliding rail or the sliding chute, the sliding rail or the sliding chute is disposed on a supporting seat, and the cylinder body of the lifting cylinder or the lifting hydraulic cylinder is fixed on the supporting seat to drive the pressing rod 38 to move up and down.

Referring to fig. 3 and 4, the double-station riveting machine further comprises a lifting mechanism 39 arranged on one side of each riveting mechanism, and the lifting mechanism 39 is connected with the riveting mechanisms in a matched manner and drives the riveting mechanisms to be close to the riveting conveying trough 3.

Referring to fig. 3 and 4, in this embodiment, the lifting mechanism 39 may adopt a lifting cylinder, a guide rail and a slider, the guide rail is disposed on the lifting fixing base, the slider is partially connected with the riveting mechanism in a matching manner, a cylinder body of the lifting cylinder is fixed on the lifting fixing base, and a piston rod of the lifting cylinder is connected with the slider.

Or the lifting structure can adopt a lifting screw rod, a lifting motor and other structures.

In this embodiment, the matching connection can be realized by connecting blocks, connectors and screws.

The foregoing is the preferred embodiment of the present invention, showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a duplex position riveter, includes frame (1), its characterized in that: the riveting machine is characterized in that a workpiece conveying groove (2) and a riveting conveying groove (3) which are arranged at intervals are arranged on a rack (1), a clamping mechanism (5) for conveying a workpiece (4) of the workpiece conveying groove (2) to the riveting conveying groove (3) is arranged on the rack (1), and a rivet distributor (6) and a conveying mechanism (7) for conveying rivets to the rivet distributor (6) are further arranged on the rack (1); one side of the riveting conveying groove (3) is provided with a first riveting mechanism (8) and a second riveting mechanism (9), conveying pipes for conveying rivets are arranged between the first riveting mechanism (8) and the second riveting mechanism (9) and the rivet distributor (6) respectively, the rivet distributor (6) distributes the material and then conveys the rivets to the first riveting mechanism (8) and the second riveting mechanism (9), the other side of the riveting conveying groove (3) corresponds to the first riveting mechanism (8), the second riveting mechanism (9) is provided with a clamping mechanism (10) respectively, workpieces (4) reaching the riveting conveying groove (3) are conveyed to riveting stations of the first riveting mechanism (8) or the second riveting mechanism (9) through the corresponding clamping mechanisms (10), and the first riveting mechanism (8) and the second riveting mechanism (9) rivet the rivets on the workpieces (4) respectively.

2. The double-station riveting machine according to claim 1, characterized in that: riveting conveyer trough (3) one side corresponds first riveting mechanism (8), second riveting mechanism (9) are equipped with clamping mechanism (11) respectively, first riveting mechanism (8), second riveting mechanism (9), every clamping mechanism (11) is the subtend setting with every clamping mechanism (10) respectively, every clamping mechanism (10) correspond and carry work piece (4) to the riveting station of first riveting mechanism (8) or second riveting mechanism (9), corresponding clamping mechanism (11) move toward the riveting station, in order to fix work piece (4) on the riveting station of first riveting mechanism (8) or second riveting mechanism (9).

3. The double-station riveting machine according to claim 1, characterized in that: one end of the riveting conveying groove (3) is provided with a discharging conveying groove (12), and the riveting conveying groove (3) is communicated with the discharging conveying groove (12).

4. A double-station riveting machine according to claim 3, characterized in that: the riveting machine is characterized in that a first movable plate (13) which moves in a reciprocating transverse mode is arranged on a rack (1), a second movable plate (14) which moves in a longitudinal reciprocating mode is arranged on the first movable plate (13), a third movable plate (15) which moves in a reciprocating transverse mode is arranged on the second movable plate (14), each clamping mechanism (10) comprises a first clamping jaw (19) fixedly arranged on the second movable plate (14) and a second clamping jaw (20) fixedly arranged on the third movable plate (15), the first clamping jaw (19) and the second clamping jaw (20) are arranged at intervals, and each clamping mechanism (10) is close to and far away from a riveting conveying groove (3) through the second movable plate (14) which moves in a longitudinal reciprocating mode; the second clamping jaw (20) is close to or far away from the first clamping jaw (19) through a third movable plate (15) with reciprocating transverse motion so as to clamp or release the workpiece (4); each clamping mechanism (10) reciprocates along the directions of the first riveting mechanism (8), the second riveting mechanism (9) and the discharging conveying groove (12) through a first movable plate (13) which reciprocates transversely.

5. A double-station riveting machine according to claim 4, characterized in that: a first reciprocating sliding assembly (16) is arranged between the first movable plate (13) and the platform of the frame (1) so that the first movable plate (13) is arranged on the platform of the frame (1) in a sliding manner, and a second reciprocating sliding assembly (17) is arranged between the first movable plate (13) and the second movable plate (14) so that the second movable plate (14) is arranged on the first movable plate (13) in a sliding manner; a third reciprocating sliding assembly (18) is arranged between the second movable plate (14) and the third movable plate (15) so that the third movable plate (15) is slidably arranged on the second movable plate (14).

6. The double-station riveting machine according to claim 4, characterized in that: a plurality of adjusting fixing holes (21) are formed in the third movable plate (15), strip-shaped fixing grooves (22) are formed in the second clamping jaw (20) corresponding to the adjusting fixing holes (21), and the adjusting fixing holes (21) are connected with the strip-shaped fixing grooves (22) in an inserting mode through fasteners; the fixing position of the second clamping jaw (20) on the third movable plate (15) is adjusted through the strip-shaped fixing groove (22) and the adjusting fixing hole (21), and then the clamping strokes of the first clamping jaw (19) and the second clamping jaw (20) are adjusted to adapt to clamping of workpieces (4) of different sizes.

7. The double-station riveting machine according to claim 1, characterized in that: the clamping mechanism (5) comprises a movable seat (23) which moves in a reciprocating manner and a lifting seat (24) which moves up and down and is arranged on the movable seat (23), one end of the lifting seat (24) is provided with a first clamping block (25) and a second clamping block (26) which move in an opening and closing manner, and one side of the movable seat (23) or the lifting seat (24) is provided with a sensor (27) for detecting the supplied materials of the workpiece (4); through the signal that sensor (27) sent, make lift seat (24) drive and adorn the clamp splice and move towards work piece conveyer trough (2) to realize pressing from both sides and get mechanism (5) and press from both sides and get work piece (4), press from both sides mechanism (5) and carry work piece (4) to riveting conveyer trough (3) through sliding seat (23).

8. The double-station riveting machine according to claim 1, characterized in that: divide nail ware (6) including fixed plate (28), be equipped with first rivet pipe (29) and second rivet pipe (30) on fixed plate (28), divide nail ware (6) still including the activity divide nail piece (31) and fixed nail seat (32) of setting in fixed plate (28) top, the activity divides nail piece (31) reciprocating motion to set up between fixed plate (28) and fixed nail seat (32), be equipped with the first nail groove of a plurality of on fixed nail seat (32), the activity divides to correspond to be equipped with a plurality of second nail groove on nail piece (31), conveying mechanism (7) are carried the rivet to every first nail groove, the second nail groove is along with the activity divides the activity of nail piece (31) and aligns corresponding first nail groove of intercommunication or rivet pipe, in order to realize the branch material and the transport of rivet.

9. A double-station riveting machine according to claim 8, characterized in that: each riveting mechanism comprises a third rivet guide pipe (33), and the third rivet guide pipe (33) is connected with the corresponding rivet guide pipe through a conveying pipe; the third rivet guide pipes (33) are arranged on the positioning seats (34), each riveting mechanism further comprises a first positioning block (35) and a second positioning block (36) which are hinged to the positioning seats (34), a riveting channel (37) communicated with the third rivet guide pipes (33) is arranged between the first positioning block (35) and the second positioning block (36), and rivets of the third rivet guide pipes (33) enter the riveting channel (37) and prop open the first positioning blocks (35) and the second positioning blocks (36); each riveting mechanism further comprises a pressing rod (38) moving up and down along the riveting channel (37), and the pressing rod (38) rivets the rivet on the workpiece (4) in the downward movement.

10. The double-station riveting machine according to claim 1, characterized in that: the riveting device is characterized by further comprising lifting mechanisms (39) arranged on one side of each riveting mechanism, wherein the lifting mechanisms (39) are connected with the riveting mechanisms in a matched mode and drive the riveting mechanisms to be close to the riveting conveying grooves (3).