CN220547549U - Press riveting structure - Google Patents

Abstract

The utility model relates to a technical field of press riveting provides a press riveting structure, and it includes the frame, sets up workstation in the frame and sets up the press riveting machine that is used for carrying out the press riveting to first metal part and second metal part on the workstation, the press riveting machine includes the bottom plate that sets up on the workstation, sets up the support frame on the bottom plate, sets up the press riveting head of support frame and sets up in the support frame in order to drive the drive piece that the press riveting head goes up and down along the support frame direction of height; the base plate is provided with a locating piece used for locating the first metal part, the second metal part is abutted to the first metal part, the workbench is provided with a detector for detecting the position of the second metal part, the rack is provided with a control piece electrically connected with the detector, and the control piece is electrically connected with the driving piece. The metal part riveting die has the beneficial effect of improving the yield of the metal part during riveting.

Description

Press riveting structure

Technical Field

The application relates to the technical field of press riveting, in particular to a press riveting structure.

Background

The press riveting is to make the metal generate plastic deformation under the action of pressure to be connected together, and compared with the traditional welding process, the press riveting has the advantages of more controllable quality, avoiding welding damage and the like.

In the existing press riveting process, two metal parts are usually stacked together manually, the two metal parts after being stacked are placed below a press rivet together, and the press riveting work is completed by the lifting press rivet.

However, because some metal parts are smaller, if deviation occurs between the two metal parts in the press riveting process, the press riveting position of the press riveting head may be inaccurate, if deviation after press riveting between the two metal parts is larger than a set error value, the press riveting fails, and the yield is reduced, so Xu Ya is further improved.

Disclosure of Invention

In order to improve the yield of metal parts during press riveting, the application provides a press riveting structure.

The application provides a press riveting structure adopts following technical scheme:

the riveting press comprises a frame, a workbench arranged on the frame and a riveting press arranged on the workbench and used for riveting a first metal part and a second metal part, wherein the riveting press comprises a bottom plate arranged on the workbench, a support frame arranged on the bottom plate, a riveting press head arranged on the support frame and a driving piece arranged on the support frame so as to drive the riveting press head to lift along the height direction of the support frame; the base plate is provided with a locating piece used for locating the first metal part, the second metal part is abutted to the first metal part, the workbench is provided with a detector for detecting the position of the second metal part, the rack is provided with a control piece electrically connected with the detector, and the control piece is electrically connected with the driving piece.

By adopting the technical scheme, after the first metal part is positioned by the positioning piece, the second metal part is abutted against the first metal part, the position of the second metal part is detected by the detector arranged on the workbench, and when the position of the second metal part is in a reasonable range, the detector transmits a corresponding signal to the control piece at the moment so as to be electrically connected with the driving piece by the control piece, thereby driving the riveting head to rivet the first metal part and the second metal part; through setting up the setting element with fix a position first metal part to reduce the possibility of the deviation that appears when fixing a position two metal parts, and through being provided with the detector, with the position to second metal part surveys, be difficult for looking over the butt effect between the two when reducing the width of second metal part far more than first metal part, and then with the offset value between two metal parts that reduces, and then in order to improve the yields when two metal parts press rivets.

Preferably, the locating piece include set up in the die block of bottom plate and set up the locating pin on the die block, the screw hole that supplies locating pin threaded connection is seted up to the upper surface of die block, the screw hole is provided with a plurality of, first metal part is reserved and is supplied the locating hole that the locating pin worn to set up.

Through adopting above-mentioned technical scheme, through being provided with the locating pin and the locating hole of reserving on the first metal part to fix a position first metal part, the size according to different first metal part is different with the position that needs press to rivet, with the threaded hole of locating pin threaded connection in different positions, thereby with the location of being adapted to different first metal part, and then improve the suitability of this press riveting structure.

Preferably, a positioning plate is arranged on the surface of the detector, which is close to the workbench, and an adsorption part for being adsorbed on the workbench is arranged on the lower surface of the positioning plate.

By adopting the technical scheme, the position of the detector is fixed by the aid of the adsorption part, so that the accuracy of the detector in testing the position of the second metal part is improved, and the possibility of deviation of press riveting of the second metal part due to unstable placement of the detector is reduced; on the other hand, the adsorption part is arranged, so that the position of the detector on the workbench can be changed according to the position of the second metal part to be riveted, and the adaptability of the detector is improved.

Preferably, a positioning ring for positioning the second metal component is arranged on the workbench, and a through hole for the second metal component to penetrate through is reserved in the positioning ring.

Through adopting above-mentioned technical scheme, because the drive piece drive presses the die to go up and down in order to apply its effort on first metal part and second metal part, if the second metal part is through handheld, if the effort of pressing the die is too big, the second metal part can be so that the second metal part appears the possibility of skew in the in-process of pressing the riveting. Therefore, through being provided with the holding ring, pass the through-hole on the holding ring with second metal part to fix a position second metal part, and then with the probability that the offset appears when reducing the pressure die to its in-process of riveting, and then in order to improve the yields when two metal parts are riveted.

Preferably, the positioning ring comprises a mounting block arranged on the workbench, two arc plates which are rotationally connected to the mounting block and symmetrically arranged, and an elastic piece which drives the two arc plates to move towards the direction close to each other.

By adopting the technical scheme, the two arc plates are rotationally connected to the mounting plate, and the elastic piece which drives the two arc plates to move towards the direction close to each other is arranged, so that when the second metal part passes through the through hole, acting force is applied to the arc plates to prop up the range of the through hole, and when the second metal part is abutted against the second metal part, the elastic piece moves towards the direction close to each other in order to clamp the second metal part; and through arc board rotation connection and elastic component, can make the through-hole scope that forms between two arc poles expand to some extent, and then with the second metal component of adaptation in different sizes.

Preferably, guide plates are arranged on two opposite end faces of the arc-shaped plate.

Through adopting above-mentioned technical scheme, through being provided with the deflector to second metal part struts two arc along the deflector, thereby with carrying out the centre gripping to second metal part.

Preferably, the surfaces of the two arc-shaped plates, which are close to each other, are provided with elastic anti-slip pads.

Through adopting above-mentioned technical scheme, through being provided with the slipmat that has elasticity to improve the area of contact with between the second metal part, reduce the possibility that appears sliding relatively with the second metal part, and reducible arc and the second metal part between direct rigid collision's possibility, with the possibility that the collision is impaired appears on the surface to the second metal part.

Preferably, the lower surface of the mounting block is also provided with an adsorption part.

Through adopting above-mentioned technical scheme, through being provided with adsorption part on the installation piece to according to the position difference that the second metal part needs to press to rivet, in order to change the holding ring, and then in order to improve the suitability of holding ring.

In summary, the utility model has the following beneficial effects:

1. through setting up the setting element with fix a position first metal part to reduce the possibility of the deviation that appears when fixing a position two metal parts, and through being provided with the detector, with the position to second metal part surveys, be difficult for looking over the butt effect between the two when reducing the width of second metal part far more than first metal part, and then with the offset value between two metal parts that reduces, and then in order to improve the yields when two metal parts press rivets.

2. Through being provided with the holding ring, pass the through-hole on the holding ring with second metal part to fix a position second metal part, and then with the probability that reduces the pressure die and appear the skew when riveting its in-process, and then in order to improve the yields when two metal parts are riveted.

Drawings

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

FIG. 2 is a schematic structural view of a positioning member in embodiment 1 of the present application;

FIG. 3 is a schematic overall structure of embodiment 2 of the present application;

FIG. 4 is a schematic view showing the structure of the adsorbing portion and the positioning plate in embodiment 2 of the present application;

fig. 5 is an enlarged partial schematic view of fig. 3 at a.

Reference numerals illustrate: 1. a frame; 2. a work table; 3. a first metal component; 4. a second metal component; 5. a squeeze riveter; 51. a bottom plate; 52. a support frame; 521. a vertical portion; 522. a horizontal portion; 53. pressing the rivet head; 531. a mounting plate; 54. a driving member; 6. a positioning piece; 61. a bottom die; 611. a threaded hole; 62. a positioning pin; 7. a detector; 71. a positioning plate; 8. a control member; 81. a foot switch; 9. an adsorption unit; 10. a positioning ring; 101. a mounting block; 102. an arc-shaped plate; 103. an elastic member; 104. a guide plate; 105. an anti-slip mat.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a press riveting structure.

Example 1:

referring to fig. 1, a press riveting structure includes a frame 1, a workbench 2 disposed on the frame 1, and a press riveting machine 5 disposed on the workbench 2 for press riveting a first metal part 3 and a second metal part 4. The squeeze riveter 5 comprises a bottom plate 51 arranged on the workbench 2, a supporting frame 52 arranged on the bottom plate 51, a squeeze rivet 53 arranged on the supporting frame 52 and a driving piece 54 arranged on the supporting frame 52 to drive the squeeze rivet 53 to lift along the height direction of the supporting frame 52. In this embodiment, the support 52 is in an inverted L shape, and the support 52 includes a vertical portion 521 fixedly connected to the upper surface of the bottom plate 51 and a horizontal portion 522 fixedly connected to the vertical portion 521. In the present embodiment, the first metal member 3 is abutted against the upper surface of the bottom plate 51, and the second metal member 4 is abutted against the first metal member 3.

The press rivet 53 is disposed below the horizontal portion 522, in this embodiment, the driving member 54 is a driving cylinder, the driving cylinder is fixedly connected to the horizontal portion 522, an axis of a piston rod of the driving cylinder is parallel to a height direction of the vertical portion 521, and the piston rod of the driving cylinder slides through the horizontal portion 522 and extends to an upper portion of the press rivet 53. It should be noted that, because the rivet pressing head 53 is a common technical means in the prior art, a description is not repeated here, and a mounting plate 531 is fixedly connected between the rivet pressing head 53 and a piston rod of the driving cylinder.

Referring to fig. 2, in order to position the first metal component 3, a positioning member 6 is disposed on the bottom plate 51, the positioning member 6 includes a bottom die 61 fixedly connected to the bottom plate 51 and a positioning pin 62 disposed on the bottom die 61, a threaded hole 611 for the positioning pin 62 to be screwed is formed on an upper end surface of the bottom die 61, in this embodiment, the threaded hole 611 is provided with a plurality of threaded holes 611, and the plurality of threaded holes 611 are disposed at intervals along a length direction and a width direction of the bottom die 61, and it is noted that a positioning hole for the positioning pin to penetrate is reserved in the first metal component 3.

Referring to fig. 1, a detector 7 for detecting the position of the second metal member 4 is provided on the table 2, a control member 8 electrically connected to the detector 7 is provided on the frame 1, and the detection member includes a foot switch 81 electrically connected to the detector 7 and a control circuit (not shown) electrically connected to the foot switch 81, and the control circuit is electrically connected to the driving cylinder. In this embodiment, the control circuit may be a single chip microcomputer, a PLC or an equivalent solid circuit module, which belongs to common general knowledge in the art, and will not be described herein.

When the detector 7 detects that the position of the second metal part 4 is within the set reasonable range, the detector 7 transmits a corresponding signal to the foot switch 81, and a worker can press the foot switch 81 at the moment, so that the foot switch 81 sends a control signal to the control circuit after responding to external triggering, and the control circuit responds to the control signal to control the driving cylinder to synchronously operate so as to drive the press rivet head 53 to press rivet the first metal part 3 and the second metal part 4. On the contrary, when the detector 7 does not detect the position of the second metal part 4, the worker presses the foot switch 81 at this time, so that the worker fails to transmit the control signal to the control circuit, and further the driving cylinder synchronously controlled by the control circuit stops running, so as to reduce the possibility of missing the foot switch 81 and failing to rivet the first metal part 3 and the second metal part 4.

The implementation principle of the press riveting structure in the embodiment of the application is as follows: the positioning hole on the first metal part 3 is aligned to the positioning pin 62 and is penetrated through the positioning pin, so that the first metal part 3 is positioned, the second metal part 4 is abutted to the first metal part 3 after the first metal part 3 is positioned, the position of the second metal part 4 is detected through the detector 7 arranged on the workbench 2, when the position of the second metal part 4 is in a reasonable range, the corresponding signal is transmitted to the foot switch 81 by the detector 7, the foot switch 81 can be pressed by a worker, the foot switch 81 responds to external triggering and then sends a control signal to the control circuit, and the control circuit responds to the control signal to control the driving cylinder to synchronously operate so as to drive the riveting head 53 to rivet the first metal part 3 and the second metal part 4.

Therefore, the first metal part 3 is positioned by the positioning piece 6, so that the possibility of deviation when two metal parts are positioned is reduced, the detector 7 is arranged, the position of the second metal part 4 is detected, the abutting effect between the two metal parts is not easy to check when the width of the second metal part 4 is far larger than that of the first metal part 3, the deviation value between the two metal parts is reduced, and the yield when the two metal parts are riveted is improved.

Example 2:

referring to fig. 3 and 4, the difference from embodiment 1 is that a positioning plate 71 is provided on the surface of the probe 7 near the table 2, an adsorption portion 9 for adsorbing to the table 2 is provided on the lower surface of the positioning plate 71, in this embodiment, the adsorption portion 9 is a suction cup, and four suction cups are provided and are respectively provided at four top corners of the positioning plate 71, so as to change the position of the probe 7 at the mounting plate 531.

In this embodiment, the two detectors 7 are disposed on two sides of the riveting press 5 respectively to detect the second metal part 4, when the second metal part 4 is longer and the first metal part 3 needs to be disposed along the second metal part 4 in a plurality of steps, at this time, the portion of the second metal part 4 that is not riveted is gradually shortened, which may deviate from the detection range of the detectors 7, and at this time, when the detectors 7 are disposed on two sides of the riveting press 5, the second metal part 4 that is already riveted can be reinforced by another detector 7 to be positioned, so as to improve the accuracy of riveting the second metal part 4 with the subsequent first metal part 3, and further improve the yield of the first metal part 3 and the second metal part 4 when riveting.

Referring to fig. 3 and 5, further, the second metal part 4 is deformed by caulking the second metal part 4 and the first metal part 3 to reduce the holding of the second metal part 4. Therefore, the positioning ring 10 for positioning the second metal part 4 is disposed on the workbench 2, the positioning ring 10 is reserved with a through hole for the second metal part 4 to pass through, and the positioning ring 10 is provided with two positioning rings and is respectively disposed on two sides of the squeeze riveter 5 for positioning the second metal part 4.

Specifically, the positioning ring 10 includes a mounting block 101 disposed on the workbench 2, two arc plates 102 that are rotationally connected to the mounting block 101 and are symmetrically disposed, and an elastic member 103 that drives the two arc plates 102 to move in a direction approaching to each other. Wherein the lower surface of the mounting block 101 is also provided with a suction portion 9 so as to change the position of the positioning ring 10.

Wherein the arc 102 is rotatably connected to the mounting block 101 by a hinge rod. In this embodiment, the elastic member 103 is a torsion spring, the torsion spring is sleeved on the hinge rod, one end of the torsion spring is fixedly connected to the upper surface of the mounting block 101, and the other end of the torsion spring is fixedly arranged through the arc plate 102. The arcuate plate 102 abuts against the outer surface of the second metal member 4 to clamp the second metal member 4.

Further, so that the second metal part 4 follows the guide plates 104 to spread the two arc plates 102 apart to clamp the second metal part 4, the opposite end surfaces of the arc plates 102 are provided with the guide plates 104. And in order to reduce the possibility of wear of the rigid contact between the arcuate plates 102 and the second metal part 4, the surfaces of the two arcuate plates 102 that are close to each other are provided with a slip-resistant pad 105 having elasticity.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a press riveting structure which characterized in that: the riveting press comprises a frame (1), a workbench (2) arranged on the frame (1) and a riveting press (5) arranged on the workbench (2) and used for riveting a first metal part (3) and a second metal part (4), wherein the riveting press (5) comprises a bottom plate (51) arranged on the workbench (2), a support frame (52) arranged on the bottom plate (51), a riveting press head (53) arranged on the support frame (52) and a driving piece (54) arranged on the support frame (52) so as to drive the riveting press head (53) to lift along the height direction of the support frame (52); the positioning device is characterized in that a positioning piece (6) used for positioning the first metal part (3) is arranged on the bottom plate (51), the second metal part (4) is abutted to the first metal part (3), a detector (7) used for detecting the position of the second metal part (4) is arranged on the workbench (2), a control piece (8) electrically connected with the detector (7) is arranged on the rack (1), and the control piece (8) is electrically connected with the driving piece (54).

2. A clinching structure as claimed in claim 1, wherein: the locating piece (6) comprises a bottom die (61) arranged on the bottom plate (51) and a locating pin (62) arranged on the bottom die (61), a threaded hole (611) for the locating pin (62) to be in threaded connection is formed in the upper surface of the bottom die (61), a plurality of threaded holes (611) are formed, and locating holes for the locating pin (62) to penetrate are reserved in the first metal part (3).

3. A clinching structure as claimed in claim 2, wherein: the detector (7) is provided with a locating plate (71) on the surface close to the workbench (2), and an adsorption part (9) used for being adsorbed on the workbench (2) is arranged on the lower surface of the locating plate (71).

4. A clinching structure as claimed in claim 1, wherein: the workbench (2) is provided with a positioning ring (10) for positioning the second metal part (4), and the positioning ring (10) is reserved with a through hole for the second metal part (4) to penetrate through.

5. The press-riveting structure of claim 4, wherein: the positioning ring (10) comprises a mounting block (101) arranged on the workbench (2), two arc plates (102) which are rotationally connected to the mounting block (101) and are symmetrically arranged, and an elastic piece (103) which drives the two arc plates (102) to move towards the direction close to each other.

6. The press riveting structure of claim 5, wherein: guide plates (104) are arranged on two opposite end faces of the arc-shaped plate (102).

7. The press riveting structure of claim 5, wherein: the surfaces of the two arc-shaped plates (102) close to each other are provided with elastic anti-slip pads (105).

8. The press riveting structure of claim 5, wherein: the lower surface of the mounting block (101) is also provided with an adsorption part (9).