CN213729159U

CN213729159U - Rivet hole positioning and pushing mechanism of automatic umbrella rib riveting system

Info

Publication number: CN213729159U
Application number: CN202022326095.XU
Authority: CN
Inventors: 何鑫成; 吕苗芬
Original assignee: Zhejiang Friendship Fino Umbrella Industry Co ltd
Current assignee: Zhejiang Friendship Fino Umbrella Industry Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-20
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a rivet hole location push mechanism of automatic riveting system of rib, which comprises a frame, install rivet hole positioning mechanism and push mechanism in the frame respectively, rivet hole positioning mechanism is including the first cylinder that is used for the tight rib in axial top, a subassembly that changes is pushed away to be used for promoting rib pivoted, push mechanism includes multiunit clamping component, move the board, a plurality of fourth cylinders, the support column, clamping component includes the support, the folder, clamping bar and third cylinder, the protruding formation of folder front end upper surface is with the tight press from both sides post of clamping bar cooperation with the rib clamp, each support of a set of clamping component passes through the connecting rod and connects, the fourth cylinder is in the butt about stretching out state and connecting rod and support column. The utility model discloses a riveting hole before riveting dress and threading to the rib, the accurate location in threading hole can guarantee to rivet the quality of dress and threading operation, has improved production efficiency when lightening intensity of labour.

Description

Rivet hole positioning and pushing mechanism of automatic umbrella rib riveting system

Technical Field

The utility model belongs to the technical field of umbrella production facility technique and specifically relates to a rivet hole location push mechanism of automatic riveting system of rib is related to.

Background

The umbrella that current adoption rivet connection rib (for example sandbeach umbrella), riveting process to long and short rib is mainly accomplished by the operative employee is manual, even use small-size semi-automatic riveter, the aperture that presss from both sides the horse on the aperture that bends one end and the long bone of short bone aligns, put the guide needle department of riveter, the power that utilizes riveter flywheel instantaneous release passes the eyelet that aligns with the eyelet button, the eyelet button takes place the turn-ups on the fixed base in machine below, it is fixed with certain cohesion with two ribs, and make the short bone can detain the relative long bone free rotation with certain angle around the eyelet, reach the purpose that the long and short rib connects. This kind of operating method requires that staff's action is fast, the frequency is high, attention is concentrated, so intensity of labour is very big, wherein "align the aperture of the little bone that bends one end with the hole site of pressing from both sides the horse on the long bone," be a simple operation to put the guide needle department of riveter ", nevertheless after long-time high-strength work, this step still can bring very big fatigue for the staff, also can influence production efficiency, if can develop design an umbrella rib rivet hole location push mechanism, just can alleviate staff's work burden well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an automatic riveting system's of rib rivet hole location push mechanism, realized riveting the rib and rivet the accurate location of hole, threading hole before the dress with the threading, can guarantee to rivet the quality of dress and threading operation, improved production efficiency when lightening intensity of labour.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system comprises a frame, a rivet hole positioning mechanism and a pushing mechanism which are respectively arranged on the frame, the rivet hole positioning mechanism comprises a first cylinder for axially jacking the umbrella ribs and a pushing and rotating assembly for pushing the umbrella ribs to rotate, the pushing mechanism comprises a plurality of groups of clamping components for clamping umbrella ribs, a moving plate which is installed in a sliding way, a plurality of fourth cylinders which are fixed on the moving plate, and a supporting column which is installed at the power output end of the fourth cylinders, the clamping assembly comprises a support arranged on the moving plate through a linear bearing, a clamping piece arranged at the front end of the support, a clamping rod arranged on the support in a sliding manner, and a third cylinder driving the clamping rod to move back and forth, the clamping piece is characterized in that the upper surface of the front end of the clamping piece protrudes to form a clamping column which is matched with the clamping rod to clamp the umbrella rib, each support of the clamping assembly is connected through a connecting rod, and the fourth cylinder is in an extending state and is abutted against the supporting column from top to bottom.

The rib includes long rib and short rib, long rib is including the first perforation of pressing from both sides the horse and locating long rib one end that has first riveting hole, short rib is including the second perforation of locating one end and the second riveting hole of locating the other end.

The pushing and rotating assembly comprises a fixedly mounted support, a second air cylinder mounted on the support and a pushing piece which is driven by the second air cylinder to move inside and outside, wherein an open slot is formed in the front end of the pushing piece, the clamping horse of the pushed long umbrella rib is aligned with the open slot when the first air cylinder axially pushes the long umbrella rib tightly, and the riveting end of the pushed short umbrella rib is aligned with the open slot when the first air cylinder axially pushes the short umbrella rib tightly.

When the pushing piece pushes the long umbrella rib to rotate, the horse clamping opening faces back to the pushing piece and the first riveting hole faces upwards, and when the pushing piece pushes the short umbrella rib to rotate, the second riveting hole faces upwards.

The frame is including being located the workstation of frame middle part and being located a pair of curb plate on frame upper portion, and is a pair of curb plate is connected with the crossbeam between the lower part, first cylinder is with long rib or short rib axial top to butt curb plate, move board slidable mounting on the workstation, the support is adorned on the crossbeam admittedly.

The utility model has the advantages that: push away the rib of changeing behind the tight rib of rivet hole positioning mechanism axial top, transport the rib to riveting position and threading position through pushing mechanism, realized riveting the rib and adorn and the accurate location of threading the filament state, can guarantee to rivet the quality of dress and threading operation, improved production efficiency when lightening intensity of labour.

Drawings

FIG. 1 is a schematic perspective view of the automatic umbrella rib riveting system of the present invention;

FIG. 2 is a schematic perspective view of the umbrella frame automatic riveting system of the present invention after removing a side pick-and-place positioning device;

FIG. 3 is a first view working diagram of the short umbrella ribs conveyed and positioned by the picking and positioning device of the present invention;

FIG. 4 is a second view angle part of the short umbrella ribs conveyed and positioned by the picking and positioning device of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic view of the operation of the long umbrella ribs conveyed and positioned by the picking and positioning device of the present invention;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a schematic side view of the operation of two pick-and-place devices incorporating the present invention;

FIG. 9 is an enlarged view at C of FIG. 8;

fig. 10 is an exploded view of the indexing disk of the automatic rib riveting system;

fig. 11 is a schematic perspective view of the present invention, which mainly shows the operation of the push-turn assembly;

FIG. 12 is an enlarged view at D of FIG. 11;

fig. 13 is a schematic view of the present invention showing the mounting of the clamping assembly to the moving plate;

fig. 14 is a perspective view of a riveting mechanism embodying primarily an automatic rib riveting system;

fig. 15 is a schematic structural view of a riveting mechanism mainly embodying an automatic rib riveting system;

FIG. 16 is an enlarged view at E in FIG. 15;

FIG. 17 is an enlarged view at F of FIG. 16;

fig. 18 is a perspective view of a threading mechanism embodying an automatic rib riveting system;

fig. 19 is a partial structural view of a connecting shaft mounting structure of a wire feeding mechanism mainly embodying an automatic rib riveting system;

fig. 20 is a partially exploded view of a wire payout assembly which embodies primarily the automatic rib riveting system;

FIG. 21 is an exploded view of the connection between the upper cutting member and the lower cutting member of the automatic umbrella rib riveting system;

fig. 22 is a schematic structural view mainly showing the connection relationship between the upper cutting member and the lower cutting member of the automatic umbrella rib riveting system;

FIG. 23 is a schematic view showing the connection relationship between the lower cutting member and the connecting base of the automatic umbrella rib riveting system;

fig. 24 is a schematic view showing the structure of a filament penetration mechanism of an automatic rib riveting system;

FIG. 25 is a schematic view of the operation of riveting and threading the automatic rib riveting system of the present invention;

FIG. 26 is an enlarged view at G of FIG. 25;

FIG. 27 is an enlarged view at H of FIG. 25;

FIG. 28 is an enlarged view taken at I in FIG. 25;

fig. 29 is a partial schematic view showing the arrangement of the push rod, the long umbrella rib and the short umbrella rib of the automatic umbrella rib riveting system during wire threading.

In the figure: the machine frame 1, the workbench 11, the side plates 12, the cross beam 13, the support 14, the frame 15, the sorting mechanism 2, the storage hopper 21, the index plate 22, the inner plate 221, the side plate 222, the groove 223, the inner groove 224, the side groove 225, the material stirring plate 23, the flange 231, the pressing plate 24, the material returning stirring plate 25, the A cross rod 251, the anti-falling piece 26, the B cross rod 261, the first motor 27, the A rotating shaft 271, the second motor 28, the B rotating shaft 281, the C rotating shaft 282, the cam 283, the rotating plate 284, the convex column 285, the tension spring 286, the baffle 29, the rivet hole positioning mechanism 3, the first air cylinder 31, the support 32, the second air cylinder 33, the pushing piece 34, the open groove 35, the right-angle slider 36, the pushing mechanism 4, the clamping assembly 41, the support 411, the clamping piece 412, the clamping rod 413, the third air cylinder 414, the clamping column 415, the guide piece 416, the falling groove 417, the linear bearing 418, the moving plate 42, the driving assembly 43, the slide rail 44, the connecting rod 45, the fourth air cylinder 46, the supporting column 47, The riveting mechanism 5, the conveying assembly 51, the mounting seat 52, the top plate 521, the L-shaped seat 522, the guide block 523, the fifth air cylinder 53, the pressing rod 531, the upper rod 5311, the lower rod 5312, the upper punch pin 54, the a spring 541, the riveting seat 55, the pressing head 551, the pressing groove 552, the inner sleeve 553, the outer sleeve 554, the end cover 555, the guide sleeve 56, the sixth air cylinder 57, the top rod 571, the lower punch pin 58, the abutment seat 59, the seventh air cylinder 591, the pressing piece 592, the pressing groove 593, the wire threading mechanism 6, the support plate 61, the wire paying-off assembly 62, the right-angle plate 621, the third motor 622, the partition plate 623, the wire guide block 624, the upper guide post 625, the rotating wheel 626, the first shaft 627, the second shaft 628, the cutting knotting assembly 63, the upper connecting plate 64, the upper cutting element 6411, the lower cutting element 642, the lower cutting element 6421, the upper twisting element 643, the lower gear 6431, the lower guide post 644, the lower guide post 645, the connecting seat 645, the eighth air cylinder 647, the eighth air cylinder 646, the upper sliding element 648, the first sliding element 6491, the first sliding gear 6491, the first sliding element and the first sliding element, The lower connecting plate 65, the lower torque piece 651, the fourth gear 6511, the connecting shaft 652, the lower sliding piece 653, the ninth cylinder 654, the second gear 6541, the tenth cylinder 655, the hinge A656, the hinge B657, the hinge C658, the long umbrella rib 7, the first perforation 71, the clip horse 72, the first riveting hole 73, the short umbrella rib 8, the second perforation 81, the second riveting hole 82, the rivet 83, the filament 84, the blanking mechanism 9, the pushing cylinder 91, the push rod 92, the pushing groove 921, the fourth motor 93 and the blanking sheet 94.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the directions and positions of the inner part, the outer part, the upper part, the middle part and the lower part mentioned in the utility model are defined by taking the figure 1 as the reference direction.

As shown in fig. 1 to 29, a rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system comprises a frame 1, a rivet hole positioning mechanism 3 and a pushing mechanism 4 which are respectively installed on the frame 1, wherein the rivet hole positioning mechanism 3 comprises a first cylinder 31 for pushing an umbrella rib axially, and a pushing and rotating assembly for pushing the umbrella rib to rotate, the pushing mechanism 4 comprises a plurality of sets of clamping assemblies 41 for clamping the umbrella rib, a sliding-installed moving plate 42, a plurality of fourth cylinders 46 fixed on the moving plate 42, and a supporting column 47 installed at a power output end of the fourth cylinders 46, the clamping assemblies 41 comprise a support 411 installed on the moving plate 42 through linear bearings 418, a clamping piece 412 installed at the front end of the support 411, a clamping rod 413 installed on the support 411 in a sliding manner, and a third cylinder 414 for driving the clamping rod 413 to move back and forth, the clamping column 415 for clamping the umbrella rib is formed on the upper surface of the front end of the clamping piece 412 in a protruding manner to be matched with the clamping rod 413, the respective seats 411 of one set of the clamping assemblies 41 are connected by a connecting rod 45, the fourth cylinder 46 is in an extended state and the connecting rod 45 is in upper and lower abutment with the supporting column 47.

The umbrella rib includes long umbrella rib 7 and short umbrella rib 8, long umbrella rib 7 is including the clamp horse 72 that has first riveting hole 73 and locate the first perforation 71 of long umbrella rib 7 one end, short umbrella rib 8 is including locating the second perforation 81 of one end and locating the second riveting hole 82 of the other end.

The front end of the clamping piece 412 is conical, and can be suitable for clamping long umbrella ribs 7 and short umbrella ribs 8 with different pipe diameters; be equipped with the shoulder hole in the support 411, linear bearing 418 is fixed to be inlayed and is established into the shoulder hole, interference connection has the apical axis in linear bearing 418, leave the clearance between apical axis upper end and the shoulder hole bottom surface, the apical axis lower extreme is fixed to moving board 42, clamping component 41 supports the installation through support column 47 and linear bearing 418, when linear bearing 418's setting made support column 47 move down, clamping component 41 moved down under the action of gravity, and then make long rib 7 and short rib 8 break away from corresponding folder 412, and then carry out the unloading operation through unloading mechanism 9. The umbrella ribs comprise long umbrella ribs 7 and short umbrella ribs 8.

The push-turn assembly comprises a fixedly mounted support 32, a second air cylinder 33 mounted on the support 32 and a push piece 34 which is driven by the second air cylinder 33 to move inside and outside, an open slot 35 is formed in the front end of the push piece 34, when the first air cylinder 31 axially pushes the long umbrella rib 7, a clamping horse 72 of the pushed long umbrella rib 7 is aligned with the open slot 35, and when the first air cylinder 31 axially pushes the short umbrella rib 8, a riveting end of the pushed short umbrella rib 8 is aligned with the open slot 35. When the pushing element 34 pushes the long rib 7 to rotate, the opening of the clamp 72 faces away from the pushing element 34 and the first riveting hole 73 faces upward, and when the pushing element 34 pushes the short rib 8 to rotate, the second riveting hole 82 faces upward. When the pushing and rotating assembly pushes the long umbrella rib 7, the lower part of the opening groove 35 moves to abut against the lower part of the clamping horse 72 so as to push the clamping horse 72 to rotate to a horizontal state, and finally the clamping horse 72 is horizontally arranged in the opening groove 35 and the opening of the clamping horse 72 faces the short umbrella rib 8; the riveting end of the short umbrella rib 8 is flat, when the pushing and rotating assembly pushes the riveting end of the short umbrella rib 8, the lower part of the open slot 35 is abutted to the riveting end of the short umbrella rib 8 so as to push the riveting end to rotate to a horizontal state, and finally the riveting end enters the open slot 35 and the second riveting hole 82 faces upwards.

Frame 1 is including being located the workstation 11 in frame 1 middle part and being located a pair of curb plate 12 on frame 1 upper portion, and is a pair of curb plate 12 is connected with crossbeam 13 between the lower part, first cylinder 31 pushes up long rib 7 or short rib 8 axial to butt curb plate 12, move board 42 slidable mounting on workstation 11, support 32 is adorned admittedly on crossbeam 13.

The rivet hole positioning mechanism 3 further comprises a right-angle slider 36 fixedly connected with the pushing piece 34, the second cylinder 33 is clamped between the support 32 and the right-angle slider 36, the second cylinder 33 is fixedly connected with the support 32, the second cylinder 33 is slidably connected with the right-angle slider 36, and the shaft end of the second cylinder 33 is fixedly connected with the front end of the right-angle slider 36. When the second cylinder 33 pushes the right-angle slider 36 to move, the pushing piece 34 is driven to move.

The driving assembly 43 is installed on one side of the workbench 11, a plurality of sliding rails 44 are arranged on the workbench 11, and the moving plate 42 is slidably installed on the plurality of sliding rails 44 and driven by the driving assembly 43 to move back and forth. The driving assembly 43 comprises a tank chain and a rotating motor, the moving plate 42 is connected with the tank chain on one side, and the rotating motor drives the tank chain to move when in operation so as to drive the moving plate 42 to move.

The front end of the clamping piece 412 is fixedly provided with a guide piece 416, the guide piece 416 and the clamping column 415 are arranged at intervals to form a falling groove 417, and the front end of the clamping rod 413 slides through the guide piece 416. The guide 416 guides the movement of the clamping bar 413, and the drop groove 417 is adapted to receive the falling long rib 7 or short rib 8, respectively.

The utility model relates to a sort in the automatic riveting system of rib and send positioner's partly, the automatic riveting system of rib is used for riveting long rib 7 and short rib 8 and threading the connection, and the automatic riveting system of rib is including the sorting of locating 1 both sides of frame respectively and send positioner, and is two sets of sort send positioner to be used for carrying long rib 7 and short rib 8 respectively, consequently, the automatic riveting system of rib includes two rivet hole positioning mechanism 3 and two pushing mechanism 4 in fact, frame 1 actually includes two pairs of curb plates 12, and a pair of curb plate 12 is located 1 upper portion one side of frame, and another is located 1 upper portion opposite side of frame to curb plate 12, and two rivet hole positioning mechanism 3 and two pushing mechanism 4 are installed with the above-mentioned mode.

The automatic umbrella rib riveting system also comprises riveting mechanisms 5, wire penetrating mechanisms 6 and a blanking mechanism 9 which are all arranged between two groups of sorting and conveying positioning devices, the sorting and conveying positioning devices also comprise sorting mechanisms 2, the two sorting mechanisms 2 respectively convey long umbrella ribs 7 and short umbrella ribs 8 to fall to a pushing mechanism 4 one by one, one rivet hole positioning mechanism 3 is used for axially jacking the long umbrella ribs 7 and pushing a clamping horse 72 to open towards the short umbrella ribs 8 and enable a first riveting hole 73 to be upward, the other rivet hole positioning mechanism 3 is used for axially jacking the short umbrella ribs 8 and pushing the short umbrella ribs 8 to rotate and enable a second riveting hole 82 to be upward, the pushing mechanism 4 comprises a plurality of groups of clamping components 41 used for clamping the long umbrella ribs 7 or the short umbrella ribs 8, the plurality of groups of clamping components 41 positioned on one side drive the long umbrella ribs 7 to move inwards to one ends of the long umbrella ribs 7 to enter the wire penetrating mechanisms 6 and the clamping horse 72 to be arranged in the riveting mechanism 5, the multiunit that is located the opposite side clamping component 41 drives short rib 8 inwards to translate to 8 one ends of short rib and get into wire feed mechanism 6 and the 8 other ends of short rib stretch into press from both sides horse 72 in short rib 8, wire feed mechanism 6 is used for passing through filament 84 with 7 one ends of long rib and 8 one ends of short rib and being connected, riveting mechanism 5 is used for passing through rivet 83 riveting with the 8 other ends of press from both sides horse 72 and short rib, unloading mechanism 9 is used for pushing away riveting mechanism 5 and wire feed mechanism 6 with long rib 7 and short rib 8 together.

The sorting mechanism 2 includes a storage hopper 21, a row of index plates 22, and a row of material shifting plates 23, which are respectively installed between a pair of side plates 12, the row of index plates 22 and the row of material shifting plates 23 are oppositely disposed, and referring to fig. 8, the index plates 22 are clockwise rotated, and the material shifting plates 23 are counterclockwise rotated. The edge circumference equipartition of graduated disk 22 has recess 223, storage hopper 21 guide long rib 7 or short rib 8 fall into the rotation and the recess 223 that arrives, and storage hopper 21 outside-in and downward sloping set up, and storage hopper 21 is dull and stereotyped including connecting many round bars between a pair of curb plate 12 and the polylith of laying on many round bars, and dull and stereotyped upper surface sets up with graduated disk 22 is tangent for long rib 7 or short rib 8 can roll just and fall into in the recess 223.

The flange 231 is uniformly distributed on the annular outer wall of the material stirring disc 23 in the circumferential direction, the material stirring disc 23 rotates to enable the flange 231 to push the long umbrella ribs 7 or the short umbrella ribs 8 which do not fall into the grooves 223, and then the long umbrella ribs 7 or the short umbrella ribs 8 return to the material storage hopper 21, and the long umbrella ribs 7 and the short umbrella ribs 8 are ensured to fall into the corresponding grooves 223 one by one through the arrangement; the index plate 22 drives the long umbrella rib 7 or the short umbrella rib 8 to rotate so as to make the long umbrella rib 7 or the short umbrella rib 8 fall to the pushing mechanism 4.

The sorting mechanism 2 further comprises a row of press sheets 24, a row of material returning pull sheets 25 and a row of anti-falling pieces 26 which are respectively arranged between the pair of side plates 12, the press sheets 24 are propped against the long umbrella ribs 7 or the short umbrella ribs 8 which fall into the grooves 223 one by one through reciprocating motion, the material shifting disc 23 is used for stirring the umbrella ribs, the press sheets 24 are propped against the long umbrella ribs 7 or the short umbrella ribs 8, the arrangement of the press sheets 24 ensures that the long umbrella ribs 7 or the short umbrella ribs 8 enter the grooves 223, and meanwhile, the long umbrella ribs 7 or the short umbrella ribs 8 can be prevented from being separated from the indexing disc 22; the material returning plectrum 25 is used for shifting the long umbrella ribs 7 or the short umbrella ribs 8 retained on the flange 231 to the storage hopper 21, the main body of the material shifting disc 23 is disc-shaped, the flange 231 is formed by the edge of the material shifting disc 23 in a protruding mode, so that a right-angle structure is formed between the edge of the flange 231 and the edge of the main body of the material shifting disc 23, when the material shifting disc 23 rotates, part of the long umbrella ribs 7 or the short umbrella ribs 8 are left on the right-angle structure and cannot automatically fall off, and the long umbrella ribs 7 or the short umbrella ribs 8 are shifted down through the material returning plectrum 25; the anti-falling part 26 is positioned on the inner side of the dividing plate 22, the annular outer wall of the dividing plate 22 is in rolling fit with the arc-shaped inner wall of the anti-falling part 26, when the long umbrella rib 7 or the short umbrella rib 8 rotates along with the dividing plate 22, the groove 223 and the inner wall of the anti-falling part 26 form a limiting space so that the long umbrella rib 7 or the short umbrella rib 8 cannot be separated from the dividing plate 22, and when the groove 223 rotates to a position away from the range of the arc-shaped inner wall of the anti-falling part 26, the long umbrella rib 7 or the short umbrella rib 8 falls under the action of self gravity.

The indexing disc 22 comprises an inner disc 221 and side discs 222 arranged on two sides of the inner disc 221, inner grooves 224 are formed in the edge of the inner disc 221 in a recessed mode and are evenly distributed in the circumference, a plurality of groups of side grooves 225 with different apertures are formed in the edge of the side discs 222 in a recessed mode, the aperture of each inner groove 224 is larger than or equal to that of the side groove 225 with the largest aperture, the side grooves 225 in the same group are evenly distributed in the circumference, the number of the side grooves 225 in each group is the same as that of the inner grooves 224, and the side grooves 225 and the inner grooves 224 which are located on two sides of the inner disc 221 and have the same aperture jointly form a groove 223 for long umbrella ribs 7 or short umbrella ribs 8 to fall into. If the number of the inner grooves 224 is set to 5, and the side grooves 225 are set to three groups with large, medium and small apertures, each group of large-aperture side grooves 225, each group of medium-aperture side grooves 225 and each group of small-aperture side grooves 225 are 5, 15 side grooves 225 are circumferentially distributed on the side disc 222, and the included angle between the adjacent side grooves 225 with the same aperture is 24 degrees; the utility model discloses in according to long rib 7, the recess 223 that the pipe diameter adjustment combination of short rib 8 formed, if when big aperture side groove 225 and inside groove 224 intercommunication constitution recess 223, the aperture side groove 225 of the mesopore of inner disc 221 separation both sides and the aperture side groove 225 of both sides, consequently long rib 7 or short rib 8 can only fall into big aperture side groove 225 and inside groove 224 and constitute the recess 223 in, the aperture of recess 223 is actually decided by side groove 225 aperture.

A rotating shaft 271, a rotating shaft 281, a rotating shaft 282, a plurality of cross bars 251 and a plurality of cross bars 261 are arranged between a pair of side plates 12 in a penetrating manner, the rotating shaft 271, the rotating shaft 281 and the rotating shaft 282 are respectively connected with the corresponding side plates 12 through bearings in a rotating manner, a row of dividing discs 22 are fixedly arranged on the rotating shaft 271 at intervals and driven to rotate through a first motor 27, a row of material stirring discs 23 are fixedly arranged on the rotating shaft 281 at intervals and driven to rotate through a second motor 28, a row of pressing sheets 24 are fixedly arranged on the rotating shaft 282 at intervals, a cam is fixedly arranged at one end of the rotating shaft 281, which penetrates through the side plates 12, a rotating sheet 284 is fixedly arranged at one end of the rotating shaft 282, which penetrates through the side plates 12, the rotating sheet 284 is driven to move back and forth through the second motor 28 and the cam 283 to drive the pressing sheets 24 to move back and forth, specifically, one end of the rotating sheet 283 is fixedly connected, the cam 283 is in rotational abutment with the boss 285, the middle part of the rotating piece 284 is connected with the side plate 12 through a tension spring 286, and the tension spring 286 enables the rotating piece 284 shifted by the cam 283 to return to the initial position.

The material returning plectrum 25 is sickle-shaped, the material returning plectrum 25 inboard is adorned on a plurality of A horizontal poles 251 admittedly, material returning plectrum 25 outside end is used for dialling down long rib 7 or short rib 8, and is specific, and A horizontal pole 251 quantity is two, and the inboard lower part of material returning plectrum 25 is the crotch structure, and material returning plectrum 25 inboard passes a A horizontal pole 251 and the crotch structure wears to establish and fixes on another A horizontal pole 251, and then realizes that material returning plectrum 25's stable installation and material returning plectrum 25 outside have certain elasticity, prolongs material returning plectrum 25's life. A row of the anti-falling pieces 26 are fixedly arranged on the plurality of B cross bars 261 at intervals. The first cylinder 31 is fixed to the B rail 261.

A baffle 29 with adjustable position is arranged between the pair of side plates 12, the distance between the baffle 29 and one side plate 12 is set according to the length of the long umbrella rib 7 or the short umbrella rib 8, the installation direction of the baffle 29 is vertical to the arrangement direction of the row of dividing plates 22, and the long umbrella rib 7 or the short umbrella rib 8 is axially positioned in a fixed direction through the arrangement, so that the deviation is avoided, and the baffle can smoothly fall into the groove 223.

The rack 1 further comprises a support 14 positioned in the middle of the upper portion of the rack 1, the riveting mechanism 5 comprises a riveting component, a jacking support component, a conveying component 51 and a mounting seat 52 which are respectively fixed on the support 14, the riveting component comprises a fifth cylinder 53 fixedly arranged on the upper portion of the mounting seat 52, a pressure rod 531 connected to the shaft end of the fifth cylinder 53, and an upper punch 54 movably arranged in the lower portion of the pressure rod 531 in a penetrating manner through an A spring 541, the jacking support component comprises a riveting seat 55 fixedly arranged on the lower portion of the mounting seat 52, a guide sleeve 56 embedded on the lower portion of the mounting seat 52 in an interference manner, a sixth cylinder 57 fixed at the bottom of the guide sleeve 56, a top rod 571 connected to the shaft end of the sixth cylinder 57, and a lower punch 58 fixedly arranged on the upper end of the top rod 571, the top rod 571 is arranged in the guide sleeve 56 and extends into the inner cavity of the riveting seat 55, the riveting seat 55 comprises a pressing groove 552 positioned in the center of the upper portion, the lower punch pin 58 is located on the same center line as the upper punch pin 54, the lower punch pin 58 moves upwards to penetrate through the pressing groove 552, the conveying assembly 51 is used for conveying the rivet 83 and enabling the rivet 83 to fall and be sleeved on the lower punch pin 58, the conveying assembly 51 is a structure which is common in the field, and the working principle of the conveying assembly 51 is not described in detail herein. Initially, the upper end of the lower punch 58 does not exceed the riveting base 55, and when the long rib 7 and the short rib 8 are conveyed to the riveting base 55, the lower punch 58 passes through the first riveting hole 73 and the second riveting hole 82 by the sixth cylinder 57, and the long rib 7 and the short rib 8 are further riveted and positioned by this operation.

The pressing rod 531 comprises an upper rod 5311 and a hollow lower rod 5312 which is sleeved on the lower portion of the upper rod 5311 in an interference mode, the upper punching needle 54 penetrates through the lower portion of the lower rod 5312, and the A spring 541 is pressed between the bottom surface of the upper rod 5311 and the upper end face of the upper punching needle 54.

The mounting seat 52 comprises a top plate 521 fixed on the support 14 and an L-shaped seat 522 connected to the top plate 521, a guide block 523 is mounted on a vertical portion of the L-shaped seat 522, the upper rod 5311 slides through the guide block 523, and the riveting seat 55 is mounted on a horizontal portion of the L-shaped seat 522.

The riveting seat 55 further comprises an inner sleeve member 553 and an outer sleeve member 554 which are sleeved and pressed inside and outside, an end cover 555 which is pressed on the inner sleeve member 553, a press head 551 which is pressed between the end cover 555 and the inner sleeve member 553, the upper surface of the press head 551 is sunken to form a press groove 552, the outer sleeve member 554 is fixedly connected with the horizontal part of the L-shaped seat 522 through a fastener, the end cover 555, the inner sleeve member 553 and the guide sleeve 56 are connected through a fastener, the push rod 571 penetrates into the inner sleeve member 553, and the push rod 571 moves upwards to abut against the press head 551. The ram 551 performs an upward movement limiting function on the top bar 571, the inner sleeve 553 has a guiding function on the lower punch pin 58, and meanwhile, the inner sleeve 553 can protect the lower punch pin 58 and prevent the lower punch pin 58 from being broken.

The riveting mechanism 5 further comprises a plurality of abutting seats 59 fixed on the frame 15, a plurality of seventh air cylinders 591 fixedly arranged on the support 14, and a pressing piece 592 connected to the power output end of each seventh air cylinder 591, wherein the bottom end of the pressing piece 592 is recessed to form two abutting grooves 593, and the pressing piece 592 moves downwards to abut against the abutting seats 59. Two keep down groove 593 are used for keeping down long rib 7 and short rib 8, stability when increasing the riveting improves the riveting quality.

The wire feeding mechanism 6 comprises a support plate 61 arranged at the middle of the frame 1, a wire releasing component 62, a cutting knotting component 63 connected with the support plate 61 in a sliding way, the cutting knotting assembly 63 comprises a connecting shaft 652, an upper connecting plate 64 and a lower connecting plate 65 which are arranged at intervals up and down, an upper cutting element 641 which is fixedly arranged on the upper connecting plate 64, a lower cutting element 642 which can translate inside and outside, an upper twisting element 643 which is rotatably connected on the upper connecting plate 64, a lower twisting element 651 which is rotatably connected on the lower connecting plate 65, a pair of upper cutters 6411 is fixedly arranged in the lower part of the upper cutting member 641, a pair of lower cutters 6421 is embedded in the lower cutting member 642, the lower cutter 642 slides through the lower portion of the upper cutter 641 and the pair of upper cutters 6411 are brought into contact with the pair of lower cutters 6421, the connecting shaft 652 penetrates through the upper connecting plate 64 and the lower connecting plate 65, the upper part of the connecting shaft 652 is in transmission connection with an upper torsion element 643, and the lower part of the connecting shaft 652 is in transmission connection with a lower torsion element 651. When the pushing mechanism 4 pushes the long umbrella rib 7 and the short umbrella rib 8 to be placed on the mounting seat 52, the threading end of the long umbrella rib 7 and the threading end of the short umbrella rib 8 are both located between the upper button 643 and the lower button 651, and when the lower punch 58 passes through the first riveting hole 73 and the second riveting hole 82 to further position the riveting holes of the long umbrella rib 7 and the short umbrella rib 8, the first perforation 71 and the second perforation 81 are actually aligned up and down with the holes of the lower button 651 through which the two thin wires 84 pass.

The wire releasing assembly 62 is used for conveying two filaments 84 to the upper cutting member 641, enabling one filament 84 to vertically penetrate through the upper cutter 6411, the lower cutter 6421, the upper twist member 643, the long rib 7 and then penetrate through the lower twist member 651, enabling the other filament 84 to vertically penetrate through the upper cutter 6411, the lower cutter 6421, the upper twist member 643 and the short rib 8 and then penetrate through the lower twist member 651, enabling the lower cutting member 642 to drive the lower cutter 6421 to translate to cut off the two filaments 84, enabling the ends of the two filaments 84 above the long rib 7 and the short rib 8 to be wound into knots through rotation of the upper twist member 643, and enabling the ends of the two filaments 84 below the long rib 7 and the short rib 8 to be wound into knots through rotation of the lower twist member 651. The filaments 84 are steel wires and have certain rigidity, so that the filaments can keep falling down linearly under the action of the pair of rotating wheels 626; when threading, the threading end of the long rib 7 and the threading end of the short rib 8 are both located between the upper twist member 643 and the lower twist member 651, that is, the long rib 7 and the short rib 8 are not in contact with the upper twist member 643 and the lower twist member 651, so that both ends of the two filaments 84 can be respectively wound and knotted by the upper twist member 643 and the lower twist member 651.

The paying-off assembly 62 comprises a fixed lead block 624, a pair of upper guide posts 625 fixed in the lower part of the lead block 624, and two sets of rotating wheels 626 arranged below the lead block 624, wherein the two sets of rotating wheels 626 are in opposite rolling contact with each other, the lower ends of the upper guide posts 625 are positioned between the upper parts of the two sets of rotating wheels 626, a pair of lower guide posts 644 are fixedly arranged on the upper cutting element 641 in a penetrating manner, the pair of lower guide posts 644 are positioned between the lower parts of the two sets of rotating wheels 626, and the filament 84 sequentially passes through gaps among the lead block 624, the upper guide posts 625, and the two sets of rotating wheels; the upper guide post 625 and the lower guide post 644 guide the filament 84, and ensure that the filament 84 accurately penetrates into the upper cutting element 641; in the present invention, one set of the wheels 626 is a long cylindrical wheel 626, and the other set of the wheels 626 is two short cylindrical wheels 626, which is convenient for maintenance and replacement.

The cutting knotting assembly 63 further comprises an eighth cylinder 646 and a pair of connecting seats 645 fixedly mounted on the upper connecting plate 64, the upper cutting element 641 is fixed between the pair of connecting seats 645, a push column 647 is fixedly arranged at the end part, close to the eighth cylinder 646, of the lower cutting element 642 in a penetrating manner, the push column 647 slides through the connecting seat 645 at one side, a pair of B springs 648 is arranged at the end part, far away from the eighth cylinder 646, of the lower cutting element 642 in a penetrating manner, the pair of B springs 648 abut against the connecting seat 645 at the other side, and the shaft end of the eighth cylinder 646 moves to abut against the push column 647 to push the lower cutting element 642; when the eighth cylinder 646 pushes the push post 647 to move, the push post 647 drives the lower cutting element 642 to translate to abut against the connecting seat 645, the B spring 648 is compressed, and meanwhile, the lower cutting element 6421 also translates along with the lower cutting element 642, as the upper cutting element 6411 is fixed, the upper cutting element 6411 and the lower cutting element 6421 move oppositely to cut off the filament 84, after cutting, the eighth cylinder 646 returns to the initial state, and the lower cutting element 642, the lower cutting element 6421 and the push post 647 return to the initial position under the resilience of the B spring 648.

The cutting and knotting assembly 63 further comprises an upper slider 649 fixedly connected with the upper connecting plate 64, a lower slider 653 fixedly connected with the lower connecting plate 65, and a ninth cylinder 654 fixed on the lower slider 653, wherein the upper slider 649 and the lower slider 653 are respectively connected with the support plate 61 in a sliding manner, a first gear 6491 is rotatably mounted on the upper slider 649, a second gear 6541 is fixedly mounted at the shaft end of the ninth cylinder 654, the connecting shaft 652 is in a square column shape, the upper part of the connecting shaft 652 is clamped in the first gear 6491 and is connected with the first gear 6491 in a vertical sliding manner, the lower part of the connecting shaft 652 is fixedly embedded in the second gear 6541, the upper part of the upper torque piece 643 is in transmission connection with the first gear 6491 through the third gear 6431, and the lower part of the lower torque piece 651 is in transmission connection with the second gear 6541 through the fourth gear 6511.

The cutting knotting assembly 63 further comprises a B hinge plate 657, a C hinge plate 658, a tenth air cylinder 655 and an A hinge plate 656 fixed on the support plate 61 respectively, wherein the axial end of the tenth air cylinder 655 is connected to the lower connecting plate 65, the middle part of the B hinge plate 657 is hinged with the A hinge plate 656, the outer end of the B hinge plate 657 is hinged with the lower connecting plate 65, the inner end of the B hinge plate 657 is hinged with the C hinge plate 658, and the upper part of the C hinge plate 658 is fixedly connected with the upper connecting plate 64. Because the connecting shaft 652 is square, the connecting shaft 652 is in circumferential limit connection with the first gear 6491, and therefore the ninth cylinder 654 can drive the first gear 6491 to rotate through the connecting shaft 652. The B hinge plate 657 is equivalent to a lever, and since the connecting shaft 652 is slidably connected to the first gear 6491, the tenth cylinder 655 can simultaneously drive the upper connecting plate 64 and the lower connecting plate 65 to move in opposite directions, so that the distance between the upper twist element 643 and the lower twist element 651 can be adjusted according to the diameters of the long umbrella ribs 7 and the short umbrella ribs 8, and the size of the loop of the filament 84 formed after knotting can be adjusted.

The paying-off assembly 62 further comprises a right-angle plate 621, a third motor 622 mounted on one side of the right-angle plate 621 perpendicular to the support plate 61, and a partition plate 623 arranged on two sides of the lead block 624 and fixedly mounted on one side of the right-angle plate 621 parallel to the support plate 61, wherein a shell of the third motor 622 is fixedly connected with the support plate 61, the lead block 624 is fixedly mounted on one side of the right-angle plate 621 parallel to the support plate 61, a pair of first shafts 627 are rotatably connected between the upper portions of the partition plates 623 on the two sides, the pair of first shafts 627 penetrate through the lead block 624, a pair of second shafts 628 are rotatably connected between the lower portions of the partition plates 623 on the two sides, two groups of rotating wheels 626 are fixedly arranged on the corresponding second shafts 628 in a penetrating manner, and the third motor 622 simultaneously drives the pair of first shafts 627 and the pair of second shafts 628 to rotate.

The third motor 622 is in transmission connection with a second shaft 628 through a pulley assembly, the second shaft 628 is in transmission connection with the first shafts 627 above the second shaft 628 through a pulley assembly, a pair of the first shafts 627 is in transmission connection with each other through a gear, and the other second shaft 628 is in transmission connection with the first shafts 627 above the second shaft 628 through a pulley assembly. The pulley assembly comprises a belt and a gear, the construction and operation of which are prior art and will not be described in detail herein.

The frame 1 further comprises a frame 15 located in the middle of the frame, the blanking mechanism 9 comprises a pushing cylinder 91 fixedly mounted on the support plate 61, a push rod 92 connected to the shaft end of the ninth cylinder 66, a plurality of fourth motors 93 fixedly mounted on the frame 15, and blanking pieces 94 connected to the power output ends of the fourth motors 93, the fourth motors 93 are distributed in a row, the pushing cylinder 91 pushes the push rod 92 to enter between the bottom of the upper torsion piece 643 and the top of the lower torsion piece 651 so as to push the long umbrella ribs 7 and the short umbrella ribs 8 away from the wire penetrating mechanism 6, and the fourth motors 93 drive the blanking pieces 94 to rotate so as to pull the long umbrella ribs 7 and the short umbrella ribs 8 down. Push rod 92 front end both sides are equipped with and push away the groove 921, push rod 92 removes to make long rib 7 and short rib 8 stretch into respectively and the butt pushes away the groove 921 and then promotes long rib 7 and short rib 8. When the push rod 92 pushes the long rib 7 and the short rib 8, the push rod 92 is located between the long rib 7 and the short rib 8, and the threading end of the long rib 7 and the threading end of the short rib 8 are respectively abutted into the pushing groove 921, so that the long rib 7 and the short rib 8 can be pushed simultaneously. When the push rod 92 pushes the long rib 7 and the short rib 8, the push rod 92 is located between the long rib 7 and the short rib 8, and the threading end of the long rib 7 and the threading end of the short rib 8 are respectively abutted into the pushing groove 921, so that the long rib 7 and the short rib 8 can be pushed simultaneously.

The working process of the automatic riveting system of the umbrella ribs is as follows: (a) the position of the baffle 29 is adjusted according to the length of the long umbrella rib 7 and the short umbrella rib 8, and the inner groove 224 is adjusted according to the pipe diameters of the long umbrella rib 7 and the short umbrella rib 8; (b) long rib 7, short rib 8 send positioner to carry to riveting mechanism 5 and threading mechanism 6 through choosing respectively, and the concrete transportation process of long rib 7 is: the long umbrella ribs 7 fall down along the material storage hopper 21 one by one, when the previous long umbrella rib 7 falls to the groove 223, the next long umbrella rib 7 is stacked on the previous long umbrella rib 7, the material dialing disc 23 rotates to push the subsequent long umbrella rib 7 to return to the material storage hopper 21, meanwhile, the pressing sheet 24 presses against the long umbrella rib 7 falling into the groove 223 to ensure that the long umbrella rib 7 completely enters the groove 223, when the long umbrella rib 7 completely entering the groove 223 rotates to the bottom end position of the indexing disc 22 along with the indexing disc 22, the long umbrella rib 7 falls onto the clamping piece 412 under the self gravity, the first air cylinder 31 starts to tightly push the long umbrella rib 7, so that the clamping horse 72 is aligned with the open groove 35, then the second air cylinder 33 pushes the pushing piece 34 to advance to push the clamping horse 72 to rotate to the opening of the clamping horse 72 towards the short umbrella rib 8 (actually, the first air cylinder 31 lightly pushes the long umbrella rib 7, so that the long umbrella rib 7 can still rotate under the pushing piece 34 after being tightly pushed), then the third air cylinder 414 drives the clamping rod 413 to move to clamp the long umbrella rib 7, the driving assembly 43 pushes the clamping assembly 41 and the moving plate 42 to move inwards together until the long umbrella rib 7 is placed on the riveting seat 55 and the abutting seat 59, and the wire penetrating end of the long umbrella rib 7 enters between the upper twist piece 643 and the lower twist piece 651; the short umbrella ribs 8 are conveyed to the riveting mechanism 5 and the wire threading mechanism 6 in the same way as the long umbrella ribs 7, and the difference is that after the short umbrella ribs 8 are tightly propped by the first air cylinder 31, the riveting ends of the short umbrella ribs 8 are aligned with the open grooves 35, and the second air cylinder 33 pushes the pushing piece 34 to advance and pushes the riveting ends of the short umbrella ribs 8 to rotate until the second riveting holes 82 face upwards; (c) the sixth cylinder 57 pushes the lower punch 58 to move upwards to pass through the second riveting hole 82 and the first riveting hole 73 to ensure the second riveting hole 82 and the first riveting hole 73 to be aligned, the seventh cylinder 591 pushes the press 592 to move downwards to press the long rib 7 and the short rib 8, then the conveying assembly 51 conveys the rivet 83 to make it fall and be sleeved on the lower punch 58, the rivet 83 passes through the second riveting hole 82 and the first riveting hole 73 to be abutted to the press groove 552, then the fifth cylinder 53 drives the press rod 531 to move downwards, the upper punch 54 continues to drive the press rod 531 to move downwards when abutting against the lower punch 58, meanwhile, the sixth cylinder 57 is started to drive the lower punch 58 to move downwards, the fifth cylinder 53 and the sixth cylinder 57 keep synchronous movement, so that the upper punch 54 and the lower punch 58 keep abutting against each other and move downwards together, when the lower punch 58 moves to the top end height of which is lower than the top end face of the lower clamp 72 and the upper punch 54 extends into the rivet 83, the sixth air cylinder 57 stops working, the fifth air cylinder 53 continues to drive the pressing rod 531 to move downwards, the pressing rod 531 abuts against the rivet 83 and presses the rivet 83 downwards to enable the rivet 83 to rivet the long umbrella rib 7 and the short umbrella rib 8, in the process, the upper punch 54 is gradually pressed into the lower rod 5312, but the upper punch 54 still keeps abutting against the lower punch 58 up and down, the rivet 83 can be prevented from being bent during riveting, and the lower end of the rivet 83 is ensured to be expanded and deformed in the pressing groove 552 to ensure the riveting quality; when riveting the long umbrella rib 7 and the short umbrella rib 8, threading, two filaments 84 correspondingly pass through the first perforation 71 and the second perforation 81 and then extend into the lower twist element 651 under the action of the thread releasing assembly 62, then the eighth cylinder 646 drives the lower twist element 642 to translate to cut off the two filaments 84, the ninth cylinder 654 drives the upper twist element 643 and the lower twist element 651 to rotate, the upper twist element 643 rotates to enable the two filaments 84 above the long umbrella rib 7 and the short umbrella rib 8 to be gradually wound into knots, and the lower twist element 651 rotates to enable the two filaments 84 below the long umbrella rib 7 and the short umbrella rib 8 to be gradually wound into knots; (d) after knotting, the fifth cylinder 53 drives the pressing rod 531 to move up to the initial position, in the process, the upper punching needle 54 returns to the original position under the effect of the resilience force of the spring 541 a, the sixth cylinder 57 drives the lower punching needle 58 to move down to the initial position, the seventh cylinder 591 drives the pressing piece 592 to move up without pressing the long umbrella rib 7 and the short umbrella rib 8, the fourth cylinder 46 drives the supporting column 47 to move down, the clamping assembly 41 falls down under the effect of gravity to enable the clamping rod 413 to be positioned below the long umbrella rib 7 and the short umbrella rib 8, then the driving assembly 43 drives the clamping assembly 41 and the moving plate 42 to move back to the initial position, then the pushing cylinder 91 drives the pushing rod 92 to move the long umbrella rib 7 and the short umbrella rib 8 together along the axial direction of the long umbrella rib 7, further push the long umbrella rib 7 and the short umbrella rib 8 away from the area between the lower connecting plate 65 and the lower connecting plate 65, the fourth motor 93 drives the falling material piece 94 to rotate to pull the long umbrella rib 7 and the short umbrella rib 8 (the hopper is arranged below the frame 1, the long umbrella ribs 7 and the short umbrella ribs 8 fall into the receiving hopper after being pulled out).

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an automatic rivet hole location push mechanism of riveting system of rib, includes frame (1), installs rivet hole positioning mechanism (3) and push mechanism (4) in frame (1) respectively, its characterized in that: the rivet hole positioning mechanism (3) comprises a first air cylinder (31) for axially jacking an umbrella rib, a push-to-turn assembly for pushing the umbrella rib to rotate, the pushing mechanism (4) comprises a plurality of groups of clamping assemblies (41) for clamping the umbrella rib, a sliding-mounted moving plate (42), a plurality of fourth air cylinders (46) fixed on the moving plate (42), and a supporting column (47) mounted at the power output end of the fourth air cylinder (46), wherein the clamping assemblies (41) comprise a support (411) mounted on the moving plate (42) through a linear bearing (418), a clamping piece (412) mounted at the front end of the support (411), a clamping rod (413) slidably mounted on the support (411) and a third air cylinder (414) driving the clamping rod (413) to move forwards and backwards, the upper surface of the front end of the clamping piece (412) is convexly formed to be matched with the clamping rod (413) to clamp the umbrella rib, each support (411) of one group of the clamping assemblies (41) is connected through a connecting rod (45), the fourth cylinder (46) is in an extending state, and the connecting rod (45) is in vertical butt joint with the supporting column (47).

2. A rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system as claimed in claim 1, characterized in that: the umbrella rib includes long umbrella rib (7) and short umbrella rib (8), long umbrella rib (7) including the clamp horse (72) that have first riveting hole (73) with locate first perforation (71) of long umbrella rib (7) one end, short umbrella rib (8) are including locating second perforation (81) of one end and locating second riveting hole (82) of the other end.

3. A rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system as claimed in claim 2, characterized in that: the push-turn assembly comprises a fixedly-mounted support (32), a second air cylinder (33) mounted on the support (32) and a push piece (34) which moves inside and outside and is driven by the second air cylinder (33), wherein an open slot (35) is formed in the front end of the push piece (34), when the long umbrella rib (7) is axially pushed by a first air cylinder (31), a clamping horse (72) of the pushed long umbrella rib (7) is aligned with the open slot (35), and when the short umbrella rib (8) is axially pushed by the first air cylinder (31), a riveting end of the pushed short umbrella rib (8) is aligned with the open slot (35).

4. A rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system as defined in claim 3, characterized in that: when the pushing piece (34) pushes the long umbrella rib (7) to rotate, the opening of the clamping frame (72) faces back to the pushing piece (34) and the first riveting hole (73) faces upwards, and when the pushing piece (34) pushes the short umbrella rib (8) to rotate, the second riveting hole (82) faces upwards.

5. A rivet hole positioning and pushing mechanism of an automatic umbrella rib riveting system as defined in claim 3, characterized in that: frame (1) is including workstation (11) that are located frame (1) middle part and a pair of curb plate (12) that are located frame (1) upper portion, and is a pair of curb plate (12) are connected with crossbeam (13) between the lower part, first cylinder (31) are with long rib (7) or short rib (8) axial top to butt curb plate (12), move board (42) slidable mounting on workstation (11), support (32) are adorned admittedly on crossbeam (13).