CN113385630A

CN113385630A - Metal sheet metal riveting device and riveting method thereof

Info

Publication number: CN113385630A
Application number: CN202110789763.9A
Authority: CN
Inventors: 沈剑峰
Original assignee: Huzhou Qixin Technology Co ltd
Current assignee: Huzhou Qixin Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-09-14

Abstract

The invention discloses a metal sheet metal riveting device and a riveting method thereof, which relate to the technical field of metal sheet riveting and comprise a base, wherein the bottom of the base is symmetrically and fixedly connected with buffering pins, one side of the top of the base is fixedly connected with a bracket, one side of the top of the bracket is fixedly connected with a fixing ring, the fixing ring is fixedly connected with a hydraulic cylinder along the vertical direction, the output end of the hydraulic cylinder is fixedly connected with a piston rod, the middle position of the piston rod is fixedly connected with a fixing plate, the middle position of the top of the base is fixedly connected with a supporting inclined table, and the top of the supporting inclined table is rotatably connected with a driving ring; according to the riveting device, the limiting plate is fixedly connected to one side of the top of the fixing plate, the shifting screw rod is rotated to drive the driving motor to move along the rectangular groove formed in the fixing plate and drive the rotary riveting head at the bottom of the driving motor to move, and therefore the riveting device can rivet holes in any position of a metal plate.

Description

Metal sheet metal riveting device and riveting method thereof

Technical Field

The invention relates to the technical field of metal plate riveting, in particular to a metal plate metal riveting device and a metal plate metal riveting method.

Background

Riveting, i.e. rivet connection, is a mechanical vocabulary, and is a method for connecting a plurality of parts by upsetting a rivet rod in a rivet hole of the part and forming a rivet head by using axial force, and the following three methods 1 are common classification, namely movable riveting, wherein connectors can rotate mutually. Not a rigid connection. Such as scissors, pliers; 2. the combined parts can not move mutually. This is a rigid connection. Such as angle square, nameplate on three-ring lock, bridge building; 3. and (4) sealing and riveting, wherein the riveting seam is tight and does not leak gas or liquid. This is a rigid connection.

The main process of riveting is drilling (countersinking) - - (deburring) - - (inserting rivet) - - (ejecting a mould (top handle) to prop against the rivet) -riveting forming by a spin riveting machine (or manual upsetting-riveting-cover forming), and the riveting is mainly divided into cold riveting and hot riveting, wherein the cold riveting refers to the riveting of the rivet under the normal temperature state, and the hot riveting refers to the modification and even melting of the connecting part of two metals by increasing the temperature.

Among the metal sheet metal riveting set of current, or lack the mutual structure of fixed metal sheet, or only be provided with simple manual centre gripping correlation structure to the metal sheet, when riveting the metal sheet, need operating personnel to utilize to rotate the manual centre gripping metal sheet of screw rod that one end rotation is connected with splint and just can continue to carry out the riveting work of metal sheet, operating personnel utilizes the process waste more time of the manual centre gripping metal sheet of correlation structure, and then influences the riveting work efficiency and the output of metal sheet in batches.

Disclosure of Invention

The invention aims to solve the problems that in the existing metal plate riveting device in the prior art, the mutual structure for fixing metal plates is lacked, or only a simple manual clamping related structure for the metal plates is arranged, when riveting the metal plates, an operator needs to manually clamp the metal plates by rotating a screw rod with one end rotatably connected with a clamping plate, so that the metal plates can be continuously riveted, and the process of manually clamping the metal plates by the related structure of the operator wastes more time, thereby influencing the riveting work efficiency and the yield of the metal plates in batches.

In order to achieve the purpose, the invention adopts the following technical scheme:

a metal sheet metal riveting device comprises a base, wherein buffering feet are symmetrically and fixedly connected to the bottom of the base, a support is fixedly connected to one side of the top of the base, a fixing ring is fixedly connected to one side of the top of the support, a hydraulic cylinder is fixedly connected to the fixing ring along the vertical direction, a piston rod is fixedly connected to the output end of the hydraulic cylinder, a fixing plate is fixedly connected to the middle position of the piston rod, a supporting ramp is fixedly connected to the middle position of the top of the base, a driving ring is rotatably connected to the top of the supporting ramp, a driving rod is symmetrically and fixedly connected to the middle position of the driving ring, a vertical screw rod is in threaded connection with the driving ring along the vertical direction, a positioning seat is rotatably connected to the top of the vertical screw rod, a bidirectional screw rod is rotatably connected to the middle position of the positioning seat, a driving block is in threaded connection with a driving block along the middle position, and a connecting diagonal rod is rotatably connected to the side surface of the driving block, the middle position of the top of the positioning seat is symmetrically and fixedly connected with a return spring, and the top of the return spring is fixedly connected with a material rejecting plate.

Optionally, the fixed plate is provided with a rectangular groove along the horizontal direction, one side of the top of the fixed plate is fixedly connected with a limiting plate, and the middle position of the limiting plate is in threaded connection with a shifting screw rod.

Optionally, one end of the displacement screw rod is rotatably connected with a driving motor, and an output end of the driving motor is fixedly connected with a spin riveting head.

Optionally, the top of the connecting diagonal rod is rotatably connected with a clamping plate, the positioning seat is fixedly connected with a guide rail below the clamping plate, and the bottom of the clamping plate slides along the guide rail.

Optionally, the top of the positioning seat is rotatably connected with a driven gear by the lower portion of the middle position of the material picking plate, the driven gear is coaxially and fixedly connected with a reel, the reel is fixedly connected with a connecting rope around the outer circumference, and the top of the connecting rope is fixedly connected to the lower portion of the bottom of the material picking plate.

Optionally, a horizontal rack bar is fixedly connected to the top of the driving block, and the horizontal rack bar is in sliding engagement with the top of the driven gear.

Optionally, the bottom of the piston rod is fixedly connected with a horizontal rod, the bottom of one end of the horizontal rod is fixedly connected with a connecting block, the top of the middle position of the connecting block is fixedly connected with a connecting spring, and the bottom of the connecting spring is fixedly connected with a connecting rod.

Optionally, the bottom of the connecting rod is fixedly connected with a driven rack, and one end of the bidirectional screw rod close to the driven rack is fixedly connected with a driving gear.

Optionally, the number of the buffer pins is two, and the two buffer pins are respectively and fixedly connected to two ends of the bottom of the base.

A method of riveting metal sheets, the method comprising the steps of:

s1, in an initial state, the material picking plate is located at the highest end of the material picking plate under the action of the reset spring, a plurality of metal plates to be riveted are placed on the upper surface of the material picking plate, rivets are placed in holes of holes to be riveted in the metal plates, and the screw rod is simultaneously rotated and shifted according to the holes to be riveted in the metal plates to drive the spin riveting head at the output end of the driving motor to move to the position above the holes of the metal plates.

S2, starting a driving motor and a hydraulic cylinder, wherein the driving motor drives a rivet head fixedly connected with an output end of the driving motor to start rotating, the hydraulic cylinder drives a horizontal rod at the bottom of a piston rod to move downwards, the horizontal rod drives a driven toothed bar at the bottom of a connecting rod to gradually move downwards and force a driving gear to start rotating, the driving gear drives a bidirectional screw rod to rotate, the bidirectional screw rod forces driving blocks at two sides to mutually approach, when the driving blocks approach each other, the driving blocks drive a reel of the driven gear, which is coaxially and fixedly connected with the driven gear, to wind and drive a material picking plate at the top of a connecting rope to gradually move downwards to the bottommost part through the horizontal toothed bar, and the driving blocks drive clamping plates to mutually approach through connecting inclined rods so as to clamp a metal plate.

And S3, finally, the piston rod of the hydraulic cylinder drives the spin riveting head at the bottom of the fixing plate to gradually move downwards, the spin riveting head moves downwards to gradually extrude the rivet, and the spin riveting head completes riveting work on the metal plate.

Compared with the prior art, the invention has the following advantages:

1. according to the riveting device, the limiting plate is fixedly connected to one side of the top of the fixing plate, the shifting screw rod is rotated to drive the driving motor to move along the rectangular groove formed in the fixing plate and drive the rotary riveting head at the bottom of the driving motor to move, and therefore the riveting device can rivet holes in any position of a metal plate.

2. The driving ring is driven to rotate by the rotating driving rod, the driving ring properly moves up and down through the positioning seat at the top of the vertical screw rod, and then the mutual distance between the rotary riveting head and the positioning seat is changed, so that the rotary riveting head of the driving motor fixedly connected with the output end of the hydraulic cylinder can rivet metal plates with different thicknesses.

3. The pneumatic cylinder drives the horizon bar of piston rod bottom and moves down, and the horizon bar drives the driven ratch of connecting rod bottom and moves down gradually and forces drive gear to begin to rotate, and drive gear drives two-way screw rod rotatory, and two-way screw rod forces the drive block of both sides to be close to each other, thereby the drive block drives splint through connecting the down tube and is close to each other and presss from both sides the metal sheet tightly, and this device has realized that it is tight to clamp the metal sheet automatically before riveting to the metal sheet at the rotary riveting head.

4. When the drive block was close to each other, the reel winding that the drive block drove the coaxial fixed connection of driven gear through horizontal ratch drove the line and connects the flitch that rejects at rope top moves down to the bottommost gradually, and when the drive block drove splint and kept away from the metal sheet each other, the flitch was played out from the positioning seat with the metal sheet that the riveting was accomplished automatically under reset spring's effect to reduce the time of metal sheet unloading, further improved metal sheet riveted machining efficiency.

Drawings

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

FIG. 2 is a detailed structural diagram of the overall structure of the present invention;

FIG. 3 is a schematic diagram of the specific structure at A in FIG. 2;

FIG. 4 is a schematic diagram of the structure shown at B in FIG. 3;

fig. 5 is a schematic top view of the fixing plate.

In the figure: 1 connecting rod, 2 driving gears, 3 driven toothed bars, 4 supports, 5 bases, 6 buffer feet, 7 hydraulic cylinders, 8 fixing rings, 9 driving motors, 10 displacement screw rods, 11 horizontal rods, 12 piston rods, 13 fixing plates, 14 spin riveting heads, 15 clamping plates, 16 guide rails, 17 positioning seats, 18 vertical screw rods, 19 driving rings, 20 driving rods, 21 supporting inclined tables, 22 material picking plates, 23 return springs, 24 horizontal toothed bars, 25 connecting inclined rods, 26 connecting ropes, 27 driven gears, 28 reels, 29 bidirectional screw rods, 30 connecting blocks, 31 connecting springs, 32 rectangular grooves, 33 limiting plates and 34 driving blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a metal sheet metal riveting device and a riveting method thereof comprise a base 5, wherein two buffer pins 6 are symmetrically and fixedly connected to the bottom of the base 5, the number of the buffer pins 6 is two, the two buffer pins 6 are respectively and fixedly connected to two ends of the bottom of the base 5, a support 4 is fixedly connected to one side of the top of the base 5, a fixing ring 8 is fixedly connected to one side of the top of the support 4, the fixing ring 8 is fixedly connected with a hydraulic cylinder 7 along the vertical direction, the type of the hydraulic cylinder 7 is selected to be HOB100, a piston rod 12 is fixedly connected to the output end of the hydraulic cylinder 7, and a horizontal rod 11 is fixedly connected to the bottom of the piston rod 12.

11 one end bottom fixedly connected with connecting block 30 of horizon bar, connecting block 30 intermediate position top fixedly connected with connecting spring 31, connecting spring 31 bottom fixedly connected with connecting rod 1, 1 bottom fixedly connected with driven ratch 3 of connecting rod, 12 intermediate position fixedly connected with fixed plate 13 of piston rod, rectangular channel 32 is seted up along the horizontal direction to fixed plate 13, fixed plate 13 top one side fixedly connected with limiting plate 33, limiting plate 33 intermediate position threaded connection has shift screw 10, shift screw 10 one end is rotated and is connected with driving motor 9, driving motor 9's model is selected to be Y80M 1-1.

The output end of a driving motor 9 is fixedly connected with a spin rivet head 14, the middle position of the top of a base 5 is fixedly connected with a supporting inclined table 21, the top of the supporting inclined table 21 is rotatably connected with a driving ring 19, the middle position of the driving ring 19 is symmetrically and fixedly connected with driving rods 20, the driving ring 19 is in threaded connection with a vertical screw 18 along the vertical direction, the top of the vertical screw 18 is fixedly connected with a positioning seat 17, the positioning seat 17 at the top of the vertical screw 18 can be driven to move upwards to an initial position in advance by rotating the driving rods 20 according to the thickness of a preselected clamped metal plate, the middle position of the positioning seat 17 is rotatably connected with a bidirectional screw 29, one end of the bidirectional screw 29 close to a driven toothed bar 3 is fixedly connected with a driving gear 2, and the driven toothed bar 3 is positioned right above the driving gear 2 in the initial condition and is far away from the driving gear 2; the bidirectional screw 29 is symmetrically and threadedly connected with a driving block 34 along the middle position, the top of the driving block 34 is fixedly connected with a horizontal toothed bar 24, the horizontal toothed bar 24 is in sliding engagement with the top of the driven gear 27, the side surface of the driving block 34 is rotatably connected with a connecting oblique rod 25, the top of the connecting oblique rod 25 is rotatably connected with a clamping plate 15, and the positioning seat 17 is fixedly connected with a guide rail 16 along the lower part of the clamping plate 15.

The bottom of the clamping plate 15 slides along the guide rail 16, the top of the connecting inclined rod 25 is rotatably connected with the clamping plate 15, the positioning seat 17 is fixedly connected with the guide rail 16 below the clamping plate 15, the bottom of the clamping plate 15 slides along the guide rail 16, the middle positions of the top of the positioning seat 17 are symmetrically and fixedly connected with the reset springs 23, the top of the reset springs 23 is fixedly connected with the material picking plate 22, the top of the positioning seat 17 is rotatably connected with the driven gear 27 close to the lower position of the middle position of the material picking plate 22, the driven gear 27 is coaxially and fixedly connected with a winding wheel 28, the winding wheel 28 is fixedly connected with a connecting rope 26 around the outer circumference, and the top of the connecting rope 26 is fixedly connected below the bottom of the material picking plate 22.

The working principle is as follows: in an initial state, the material picking plate 22 is located at the highest end of the material picking plate 22 under the action of the reset spring 23, a plurality of metal plates to be riveted are placed on the upper surface of the material picking plate 22, rivets are placed in holes of holes to be riveted in the metal plates, according to the positions of the holes to be riveted in the metal plates, the shifting screw 10 is rotated to drive the rotary riveting head 14 at the output end of the driving motor 9 to move above the hole of the metal plate, the driving motor 9 and the hydraulic cylinder 7 are started, and the driving motor 9 drives the rotary riveting head 14 fixedly connected with the output end of the driving motor 9 to start rotating.

Meanwhile, the hydraulic cylinder 7 drives the horizontal rod 11 at the bottom of the piston rod 12 to move downwards, the horizontal rod 11 drives the driven toothed bar 3 at the bottom of the connecting rod 1 to gradually move downwards and force the driving gear 2 to start rotating, the driving gear 2 drives the bidirectional screw 29 to rotate, the bidirectional screw 29 forces the driving blocks 34 at two sides to approach each other, when the driving blocks 34 approach each other, the driving blocks 34 drive the reels 28 coaxially and fixedly connected with the driven gears 27 to wind and drive the material rejecting plates 22 at the tops of the connecting ropes 26 to gradually move downwards to the bottommost part through the horizontal toothed bar 24, the material rejecting plates 22 compress and store energy to the connecting springs 31 when the material rejecting plates 22 move downwards, so that after the metal plates finish the rivet clamping action, the material rejecting plates 22 finish the automatic material rejecting action when the hydraulic cylinder 7 drives the piston rod 12 to retract, and the driving blocks 34 drive the clamping. Finally, the piston rod 12 of the hydraulic cylinder 7 drives the spin riveting head 14 at the bottom of the fixing plate 13 to gradually move downwards, the spin riveting head 14 moves downwards to gradually extrude the rivet, and the spin riveting head 14 completes riveting work on the metal plate.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a sheet metal riveting set, includes base (5), its characterized in that, base (5) bottom symmetry fixedly connected with cushions foot (6), base (5) top one side fixedly connected with support (4), support (4) top one side fixedly connected with solid fixed ring (8), gu fixed ring (8) along vertical direction fixedly connected with pneumatic cylinder (7), pneumatic cylinder (7) output end fixedly connected with piston rod (12), piston rod (12) intermediate position fixedly connected with fixed plate (13), base (5) top intermediate position fixedly connected with support sloping platform (21), it is connected with drive ring (19) to support sloping platform (21) top rotation, drive ring (19) intermediate position symmetry fixedly connected with actuating lever (20), drive ring (19) along vertical direction threaded connection have vertical screw (18), the positioning device is characterized in that a positioning seat (17) is fixedly connected to the top of the vertical screw rod (18), a bidirectional screw rod (29) is rotatably connected to the middle position of the positioning seat (17), a driving block (34) is symmetrically and threadedly connected to the middle position of the bidirectional screw rod (29), a connecting inclined rod (25) is rotatably connected to the side face of the driving block (34), a reset spring (23) is symmetrically and fixedly connected to the middle position of the top of the positioning seat (17), and a material rejecting plate (22) is fixedly connected to the top of the reset spring (23).

2. The sheet metal riveting device according to claim 1, wherein the fixed plate (13) is provided with a rectangular groove (32) along the horizontal direction, one side of the top of the fixed plate (13) is fixedly connected with a limit plate (33), and the middle position of the limit plate (33) is in threaded connection with a displacement screw (10).

3. The sheet metal riveting device according to claim 2, wherein one end of the displacement screw (10) is rotatably connected with a driving motor (9), and the output end of the driving motor (9) is fixedly connected with a riveting head (14).

4. The sheet metal riveting device of claim 1, wherein the top of the connecting diagonal rod (25) is rotatably connected with a clamping plate (15), the positioning seat (17) is fixedly connected with a guide rail (16) along the lower part of the clamping plate (15), and the bottom of the clamping plate (15) slides along the guide rail (16).

5. The sheet metal riveting device according to claim 1, wherein the top of the positioning seat (17) is rotatably connected with a driven gear (27) below the middle position of the stripper plate (22), the driven gear (27) is coaxially and fixedly connected with a reel (28), the reel (28) is fixedly connected with a connecting rope (26) around the outer circumference, and the top of the connecting rope (26) is fixedly connected below the bottom of the stripper plate (22).

6. A sheet metal riveting apparatus according to claim 5, wherein a horizontal rack bar (24) is fixedly connected to the top of the driving block (34), and the horizontal rack bar (24) is in sliding engagement with the top of the driven gear (27).

7. The sheet metal riveting device according to claim 1, wherein a horizontal rod (11) is fixedly connected to the bottom of the piston rod (12), a connecting block (30) is fixedly connected to the bottom of one end of the horizontal rod (11), a connecting spring (31) is fixedly connected to the top of the middle position of the connecting block (30), and a connecting rod (1) is fixedly connected to the bottom of the connecting spring (31).

8. A sheet metal riveting apparatus according to claim 7, wherein the driven rack (3) is fixedly connected to the bottom of the connecting rod (1), and the driving gear (2) is fixedly connected to one end of the bidirectional screw (29) close to the driven rack (3).

9. The sheet metal riveting device according to claim 1, wherein the number of the buffer pins (6) is two, and the two buffer pins (6) are fixedly connected to two ends of the bottom of the base (5) respectively.

10. A riveting method of a metal sheet metal riveting device is characterized by comprising the following steps:

s1, in an initial state, the material picking plate (22) is located at the highest end of the material picking plate (22) under the action of a return spring (23), a plurality of metal plates to be riveted are placed on the upper surface of the material picking plate (22), rivets are placed in holes to be riveted in the metal plates, and a rotary riveting head (14) at the output end of a driving motor (9) is driven to move above the holes of the metal plates by rotating a displacement screw (10) according to the holes to be riveted in the metal plates;

s2, starting the driving motor (9) and the hydraulic cylinder (7), wherein the driving motor (9) drives the rotary riveting head (14) fixedly connected with the output end of the driving motor (9) to start rotating, meanwhile, the hydraulic cylinder (7) drives the horizontal rod (11) at the bottom of the piston rod (12) to move downwards, the horizontal rod (11) drives the driven toothed bar (3) at the bottom of the connecting rod (1) to gradually move downwards and force the driving gear (2) to start rotating, the driving gear (2) drives the bidirectional screw (29) to rotate, the bidirectional screw (29) forces the driving blocks (34) at the two sides to approach each other, and when the driving blocks (34) approach each other, the driving block (34) drives a reel (28) coaxially and fixedly connected with the driven gear (27) to wind through the horizontal rack bar (24) to drive the material rejecting plate 22 at the top of the connecting rope 26 to gradually move downwards to the bottommost part, and the driving block (34) drives the clamping plates (15) to mutually approach through the connecting inclined rod (25) so as to clamp the metal plate;

s3, finally, the piston rod (12) of the hydraulic cylinder (7) drives the spin riveting head (14) at the bottom of the fixing plate (13) to gradually move downwards, the spin riveting head (14) moves downwards to gradually squeeze the rivet, and the spin riveting head (14) completes riveting work on the metal plate.