CN110605356A - Riveting machine - Google Patents

Abstract

The invention provides a riveting machine, and belongs to the technical field of riveting equipment. It has solved the unable problem of material loading of current shaft-like work piece. The riveting machine comprises a machine table, a turntable arranged on the machine table, and a positioning mechanism arranged on the turntable, and further comprises a feeding mechanism, a sheet feeding mechanism, a riveting mechanism and a discharging mechanism, wherein the feeding mechanism comprises a first support, the first support is provided with a hopper, the right side of the hopper is provided with a material pushing rod capable of pushing a workpiece in the hopper to the outside of the hopper along the transverse direction, the left side of the hopper is provided with a material pressing rod capable of overturning the workpiece to the vertical shape from the horizontal shape and positioned above the positioning mechanism and capable of pushing the workpiece downwards to the positioning mechanism. This structure realizes the automatic feeding of shaft-like work piece through the cooperation of lateral shifting's ejector sleeve pole, upset subassembly and vertical removal's pressure material pole, and the simple high efficiency of material loading mode improves the convenience of shaft-like work piece material loading.

Description

Riveting machine

Technical Field

The invention belongs to the technical field of riveting equipment, and relates to a riveting machine.

Background

The riveting machine is also called a riveting machine, a spin riveting machine, a rolling riveting machine and the like, is a novel riveting device developed according to a cold rolling principle, and is a mechanical device capable of riveting objects by using rivets. The riveting machine generally comprises at least three steps of feeding, press riveting, blanking and the like when working, for example, in the process of riveting a rod-shaped workpiece, the rod-shaped workpiece is vertically placed on the riveting machine when feeding, then a gasket is sleeved on the upper end of the rod-shaped workpiece, then the gasket is riveted on the upper end of the rod-shaped workpiece by press riveting, and finally the riveted workpiece is blanked.

At present, a chinese patent net discloses a turntable type automatic riveting machine [ grant publication No.: the CNU comprises a mounting base, wherein a rotary disc is arranged on the mounting base, and a product positioning station, a loading station, a riveting station and a taking-out station are sequentially arranged on the periphery of the rotary disc; the product positioning station comprises a positioning clamp, the positioning clamp is arranged on the turntable, a positioning sucker is arranged at a corresponding position above the positioning clamp, the positioning sucker is arranged on a positioning manipulator, and the positioning manipulator is arranged on the mounting base; the feeding station comprises a feeding clamp, the feeding clamp is arranged on the turntable, a feeding sucker is arranged at a corresponding position above the feeding clamp, the feeding sucker is arranged on a feeding manipulator, the feeding manipulator is arranged on the mounting base, an automatic conveying track is arranged on one side of the feeding manipulator, and the automatic conveying track is arranged on the mounting base; the riveting station comprises a riveting positioning clamp, the riveting positioning clamp is arranged on the turntable, a riveting press is arranged at a corresponding position above the riveting positioning clamp, the riveting press is arranged on a pneumatic-hydraulic cylinder, and the pneumatic-hydraulic cylinder is arranged on the supporting seat; the taking-out station comprises a taking-out fixture, the taking-out fixture is arranged on the turntable, a taking-out manipulator is arranged at a corresponding position above the taking-out fixture, and the taking-out manipulator is arranged on the mounting base.

The feeding of the riveting machine is realized by clamping the rod-shaped workpieces through the manipulator, but in the process of riveting the rod-shaped workpieces, a plurality of rod-shaped workpieces are generally stacked together, and the existing manipulator cannot directly and accurately clamp one workpiece from the stacked workpieces, so that the feeding of the rod-shaped workpieces cannot be finished, and therefore the riveting machine cannot be suitable for riveting the rod-shaped workpieces.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a riveting machine, and aims to solve the technical problems that: how to provide a riveting machine for realizing automatic feeding of rod-shaped workpieces.

The purpose of the invention can be realized by the following technical scheme:

the riveting machine is characterized in that the feeding mechanism comprises a first support, the first support is provided with a hopper, the right side of the hopper is provided with a material pushing rod capable of transversely pushing a workpiece in the hopper to the outside of the hopper, the left side of the hopper is provided with an overturning assembly capable of overturning the workpiece from a horizontal state to a vertical state and positioned above the positioning mechanism, and a material pressing rod capable of downwards pushing the workpiece to the inside of the positioning mechanism.

The feeding principle of the rod-shaped workpiece is as follows: a plurality of work piece is the level and places and pile up in the hopper, the ejector pin is along lateral shifting, the one end of ejector pin and the tip of one of them work piece in the hopper, and with this work piece along horizontal release hopper, when the work piece is accomplished and is released outside the hopper, the work piece is got and is overturned to vertical form from the level form with the work piece clamp to the upset subassembly, the work piece that is vertical form this moment is located positioning mechanism's top, the material pole moves down, the lower extreme of material pole is supported and is leaned on with the upper end of work piece, and promote the work piece downwards, make the work piece move to positioning mechanism in, and fix a position on the carousel through positioning mechanism. This structure realizes the automatic feeding of shaft-like work piece through the cooperation of lateral shifting's ejector sleeve pole, upset subassembly and vertical removal's pressure material pole, and the simple high efficiency of material loading mode improves the convenience of shaft-like work piece material loading.

In a riveting machine of the aforesaid, positioning mechanism establishes the position sleeve in linear bearing including fixing linear bearing and the cover on the carousel, the upper end of position sleeve has the turn-ups that leans on mutually with linear bearing's up end, the last pot head of position sleeve is equipped with the spacing ring, the spacing ring leans on mutually with linear bearing's lower terminal surface, the position that the board is located the position of position sleeve below is provided with and is the annular brace table of circle.

Through the arrangement of the structure, the workpiece is inserted into the positioning sleeve, the lower end of the workpiece is abutted against the upper surface of the supporting table, the lower end of the workpiece is always abutted against the upper surface of the supporting table in the rotating process of the turntable, and the supporting table plays a role in supporting the workpiece, so that the workpiece is prevented from falling from the positioning sleeve; in addition, the sheet feeding mechanism feeds the gasket to the upper end of the workpiece, namely the gasket is sleeved at the upper end of the workpiece and attached to the upper surface of the flanging, so that the subsequent riveting operation is facilitated.

In foretell riveter, the hopper includes the master side board, the left side of master side board is connected with vice curb plate one, the right side is connected with vice curb plate two, vice curb plate one and vice curb plate two are "y" shape setting, the punishment in advance clearance has between the lower extreme of vice curb plate one and the upper surface of vice curb plate two, the lower extreme of vice curb plate two is fixed with the baffle, the left and right sides of the lower tip of vice curb plate two all is connected with the backplate, and breach one has all been seted up towards the one end of baffle to two backplates, and two breach one-to-one correspondences, the inboard of backplate is provided with the gib block and the top that is located vice curb plate two, the gib block sets up along the length direction of vice curb plate two, the gib block has the upwards perk connecting portion that is convex towards the one end of vice curb plate one, the upper end of this connecting portion and.

Through the setting of this structure, the work piece piles up between vice curb plate one and vice curb plate two, and the punishment in advance clearance can supply a work piece to pass through, because vice curb plate is the slope setting, the work piece passes through the back from the punishment in advance clearance and slides down along the incline direction of vice curb plate two, the backplate plays the effect of controlling spacing to the work piece at work piece gliding in-process down, the gib block plays spacing effect from top to bottom to the work piece, vice curb plate two, backplate and gib block combination form a guide channel, make the work piece pass through the slip along the direction, when the work piece slides to leaning on with the baffle counterbalance, the both ends of work piece just correspond two breach departments, the ejector ram lateral shifting makes the one end of ejector ram extend in the breach and lean on with the tip counterbalance of work piece this moment, the work piece is pushed out the hopper from another breach.

In the riveting machine, a first guide hole is formed in the upper surface of the lower end of the second auxiliary side plate along the length direction, the first guide hole spans across the material passing gap, a first sliding block is arranged in the first guide hole in a sliding mode, the upper end of the first sliding block protrudes upwards relative to the upper surface of the second auxiliary side plate, tooth sockets formed in the transverse direction are formed in the upper surface of the first sliding block, the tooth sockets are provided with a plurality of tooth sockets arranged at intervals along the length direction of the first sliding block, and a first air cylinder capable of driving the first sliding block to slide along the length direction of the first guide hole is arranged on the lower surface of the second auxiliary side plate.

The workpieces are stacked in the hopper in an inverted triangle shape, the workpieces on the upper portion in the hopper are more, the workpieces on the lower portion in the hopper are fewer, and the workpieces located at the bottom of the hopper are under the pressure of the workpieces on the upper portion, so that the workpieces at the bottom of the hopper are mutually attached and are not prone to loosening, only one workpiece can pass through the material passing gap, the workpieces are easily clamped at the material passing gap, and the workpieces cannot continuously and stably slide downwards along the upper surface of the secondary side plate II due to the factors. The upper end of the first sliding block protrudes upwards relative to the upper surface of the second auxiliary plate, the first sliding block slides back and forth along the length direction of the first guide hole, when the first sliding block is driven to slide upwards along the length direction of the first guide hole by the first air cylinder, because the upper end of the first sliding block protrudes upwards relative to the upper surface of the second auxiliary plate, the rear side surface of the upper end of the first sliding block extrudes the workpiece at the material passing gap backwards, meanwhile, the upper surface of the first sliding block extrudes the workpiece close to the material passing gap upwards, so that the workpiece at the material passing gap is loosened, the workpiece is prevented from being clamped at the material passing gap, after the workpiece is loosened, because the rod-shaped workpiece is cylindrical, the rod-shaped workpiece is positioned on the upper surface of the first sliding block through a tooth space in the downward movement process of the first sliding block, and because the upper end of the first sliding block protrudes upwards relative to the upper surface of the second auxiliary plate, the side wall of the rear upper end of the, the workpiece on the upper surface of the first sliding block is prevented from being extruded by the rear workpiece, and when the first sliding block moves downwards to a proper position and stops, the workpiece on the upper surface of the first sliding block continues to move downwards under the action of inertia and abuts against the baffle plate, so that the first sliding block can stably convey the workpiece to the lower end of the second auxiliary side plate.

In the riveting machine, a second air cylinder is fixed in the middle of the outer side wall of the first auxiliary side plate, a through hole is formed in the outer side wall of the first auxiliary side plate, and a piston rod of the second air cylinder penetrates through the through hole.

In the process of workpiece discharging, a piston rod of the second air cylinder extends into the hopper to extrude the workpiece in the middle of the hopper, so that the workpiece in the hopper is not loosened, the phenomenon of clamping of the workpiece in the middle of the hopper is avoided, and the workpiece in the middle of the hopper can move downwards to the bottom of the hopper.

In the riveting machine, a first mounting seat is fixed at the lower end part of the second auxiliary side plate, the material pushing rod is arranged on the first mounting seat in a transverse sliding manner, and a third air cylinder for driving the material pushing rod to slide is fixed on the first mounting seat; the overturning assembly comprises a second support, a sliding seat arranged on the second support in a vertically sliding mode, a cylinder IV arranged on the second support and used for driving the sliding seat to slide up and down, a rotary cylinder arranged on the sliding seat and a manipulator driven by the rotary cylinder; and a mounting frame is fixed on the second support, the material pressing rod is arranged on the mounting frame in a vertical sliding manner, and a cylinder V for driving the material pressing rod to slide is fixed on the mounting frame.

In the riveting machine, the press riveting mechanism comprises a third support, a punch and a hydraulic cylinder fixed on the third support, a second mounting seat is detachably connected to the third support, the punch is arranged on the second mounting seat and can slide up and down relative to the second mounting seat, the lower end of a piston rod of the hydraulic cylinder is connected with a striking head, the striking head can abut against the upper end face of the punch, a fixed rod is connected to the punch, a bracket is fixed on the piston rod of the hydraulic cylinder, a cross rod capable of abutting against the fixed rod is arranged on the bracket, and the cross rod is located below the fixed rod.

When the riveting press is used, a piston rod of the hydraulic cylinder moves downwards, the driving striking head moves downwards, the bracket also moves downwards along with the synchronization, the striking head abuts against the upper end face of the punch and drives the punch to move downwards, the punch impacts the upper end of the workpiece to enable the gasket to be riveted on the workpiece, after the riveting is completed, the piston rod of the hydraulic cylinder moves upwards, the bracket also moves upwards along with the synchronization, the bracket supports the punch upwards through a matching structure of the cross rod and the fixing rod, and then the punch is driven to move upwards to reset so as to strike next time. The punch and the driver are split, when the position of the punch needs to be adjusted, the mounting seat II is firstly detached from the support III, then the position of the punch is adjusted, the punch is aligned to a workpiece, and finally the mounting seat II is fixed on the support III.

In the riveting machine, a first strip-shaped hole transversely formed in the third support is provided, a second mounting seat is provided with a lug inserted into the first strip-shaped hole, the lug is connected with the third support through a fastener, a third support is provided with a fixed block, a second notch is formed in the fixed block, a bolt is arranged in the second notch, a rod part of the bolt is in threaded connection with the second mounting seat, an annular boss is arranged on the rod part, the head of the bolt and the annular boss are respectively located on the left side and the right side of the fixed block, and the head and the annular boss are respectively attached to the side wall of the fixed block.

Through the setting of this structure, when needing to adjust the position of mount pad two, at first rotatory fastener makes mount pad two loosened, rotatory bolt after that, the bolt rotates two lateral shifting of back drive mount pad, and the cooperation structure of lug and bar hole one plays the effect of direction to the lateral shifting of mount pad two.

In the riveting machine, a sliding groove is formed in one side face of the mounting seat II, the punch comprises a sliding block II and a punching head, the sliding block II is arranged in the sliding groove in a sliding manner, a mounting hole is formed in the lower end face of the sliding block II along the axial direction of the sliding block II, a guide hole II communicated with the mounting hole is formed in the upper end face of the sliding block II along the axial direction of the sliding block II, strip-shaped holes II are vertically formed in the left side wall and the right side wall of the sliding block II and communicated with the guide hole II, the upper end of the punching head is inserted into the mounting hole and fixedly connected with the sliding block II, a guide block is arranged in the guide hole II in a sliding manner, a limiting column which is transversely arranged is arranged in the sliding groove and fixed on the mounting seat II, penetrates through the two strip-shaped holes II and is connected with the guide block, a boss is arranged on the lower end face of the punching head, and a through guide, and a guide rod is arranged in the guide hole III in a sliding manner, and the upper end of the guide rod is fixedly connected with the guide block.

Through the setting of this structure, the striking head is used in slider two, slider two is along spout downstream, the spout plays the effect of direction to reciprocating of slider two, because the guide block is through spacing post location, consequently at the gliding in-process of slider two, the guide block slides from top to bottom along guiding hole two, the guide block plays the effect of direction to reciprocating of slider two, slider two is under the common guide effect of mount pad two and guide block, guarantee that slider two reciprocates stably and do not take place the skew, and then make the punching press head not take place the skew, slider two reciprocates and drives the punching press head and reciprocate, the guide bar plays the effect of direction to reciprocating of punching press head, guarantee the alignment work piece that the punching press head can comparatively precision.

In foretell riveter, unloading mechanism is including the support four that is located carousel one side and the clamp plate that is located the positioning mechanism top, the outer end of clamp plate articulates on the support four through the pivot and the inner downward sloping setting of clamp plate, the inner of clamp plate is provided with the balancing weight, be provided with the torsional spring that can make the clamp plate have the downward rotation trend all the time on the support four, the below of clamp plate is provided with the unloading slide of fixing on the support four, one side of support four is provided with the magazine, the outer end downward sloping setting of unloading slide, and the outer end of unloading slide is located the top of magazine, positioning mechanism's below is provided with the mounting panel, be provided with gliding ejector pin from top to bottom on the mounting panel, be fixed with on the mounting panel and be used for driving the gliding cylinder six.

After the workpieces are pressed and riveted, the turntable rotates to enable the workpieces to be located right above the ejector rods, the pressing plate is located above the workpieces, the ejector rods are driven by the six air cylinders to move upwards, the upper ends of the ejector rods abut against the lower ends of the workpieces, the workpieces are pushed upwards by the ejector rods, the upper end of the workpiece is abutted against the inner end of the pressure plate, the pressure plate rotates upwards in the process that the workpiece gradually moves upwards, when the workpiece is completely ejected out of the positioning sleeve, the cylinder six drives the ejector rod to move downwards to reset, the end part of the workpiece is equivalently in a suspended state, the pressing plate rotates downwards under the combined action of the torsion spring and the gravity of the pressing plate, the inner end of the pressing plate pulls the upper end of the workpiece outwards, the workpiece is integrally and outwards dumped to complete the blanking of the workpiece, the automatic blanking can be realized only by the action of ejecting the workpiece through the ejector rod, the blanking mode is simple and quick, and the blanking efficiency of the workpiece is obviously improved.

Compared with the prior art, the riveting machine has the following advantages: a plurality of work piece is the level and places and pile up in the hopper, the ejector pin is along lateral shifting, the one end of ejector pin and the tip of one of them work piece in the hopper, and with this work piece along horizontal release hopper, when the work piece is accomplished and is released outside the hopper, the upset subassembly clamp is got the work piece and is overturn the vertical form with the work piece from the level form, the work piece that is vertical form this moment is located positioning mechanism's top, the ejector pin moves down, the lower extreme of ejector pin offsets with the upper end of work piece and leans on, and promote the work piece downwards, make the work piece move to positioning mechanism in, and fix a position on the carousel through positioning mechanism, the automatic feeding of rod-shaped work piece is realized through the cooperation of lateral shifting's ejector pin, upset subassembly and vertical removal ejector pin to this structure, the simple high efficiency of material loading formula, improve the convenience of rod-shaped work piece material loading.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a schematic perspective view of the feeding mechanism of the present invention.

Fig. 3 is a partial perspective view of the loading mechanism of the present invention.

Fig. 4 is a second partial perspective view of the feeding mechanism of the present invention.

Fig. 5 is a schematic perspective view of the clinch mechanism of the present invention.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

Fig. 7 is a schematic sectional structure view of the clinching mechanism of the present invention.

Fig. 8 is an enlarged schematic view of a portion a in fig. 7.

Fig. 9 is a partially enlarged schematic view of the present invention.

Fig. 10 is an enlarged schematic view of a portion a in fig. 9.

Fig. 11 is a schematic perspective view of the blanking mechanism of the present invention.

In the figure, 1, a machine; 2. a turntable; 3. a positioning mechanism; 31. a linear bearing; 32. a positioning sleeve; 33. a limiting ring; 4. a feeding mechanism; 41. a first bracket; 42. a hopper; 421. a main side plate; 422. a first auxiliary side plate; 423. a second auxiliary side plate; 424. a baffle plate; 425. a guard plate; 426. a guide strip; 43. a material pushing rod; 44. a turnover assembly; 45. a material pressing rod; 46. a first mounting seat; 47. a third air cylinder; 48. a second bracket; 49. a slide base; 401. a cylinder IV; 402. a rotating cylinder; 403. a manipulator; 404. a mounting frame; 405. a fifth cylinder; 5. a sheet feeding mechanism; 6. a press riveting mechanism; 61. a third bracket; 611. a first strip-shaped hole; 62. a punch; 621. a second sliding block; 621a, a mounting hole; 621b, a second guide hole; 621c, a strip hole II; 622. punching a head; 622a, a boss; 622b, a third guide hole; 623. a guide block; 624. a limiting column; 625. a guide bar; 63. a hydraulic cylinder; 631. a piston rod; 64. a second mounting seat; 641. a bump; 642. a chute; 65. a striking head; 66. fixing the rod; 67. a bracket; 671. a cross bar; 68. a fixed block; 681. a second gap; 69. a bolt; 691. a rod portion; 692. an annular boss; 693. a head portion; 7. a blanking mechanism; 70. a sixth air cylinder; 71. a fourth bracket; 72. pressing a plate; 73. a rotating shaft; 74. a balancing weight; 75. a torsion spring; 76. a blanking slideway; 77. a magazine; 78. mounting a plate; 79. a top rod; 8. a support table; 9. and (4) passing through the material gap.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the riveting machine comprises a machine table 1, a turntable 2 arranged on the machine table 1, and a positioning mechanism 3 arranged on the turntable 2, and further comprises a feeding mechanism 4, a sheet feeding mechanism 5, a rivet pressing mechanism 6 and a blanking mechanism 7 which are arranged around the turntable 2 at intervals in sequence.

As shown in fig. 1, 9 and 11, the positioning mechanism 3 includes a linear bearing 31 fixed on the turntable 2 and a positioning sleeve 32 sleeved in the linear bearing 31, the upper end of the positioning sleeve 32 has a flange 321 attached to the upper end surface of the linear bearing 31, the upper end of the positioning sleeve 32 is sleeved with a limit ring 33, the limit ring 33 is attached to the lower end surface of the linear bearing 31, and the machine 1 is provided with an annular supporting table 8 at a position below the positioning sleeve 32.

As shown in fig. 2, 3 and 4, the feeding mechanism 4 includes a first bracket 41, the first bracket 41 is provided with a hopper 42, the right side of the hopper 42 is provided with a material pushing rod 43 capable of pushing the workpiece in the hopper 42 to the outside of the hopper 42 in the transverse direction, the left side of the hopper 42 is provided with an overturning assembly 44 capable of overturning the workpiece from the horizontal state to the vertical state and located above the positioning mechanism 3, and a material pressing rod 45 capable of pushing the workpiece downward into the positioning mechanism 3. Specifically, the hopper 42 comprises a main side plate 421, a first auxiliary side plate 422 is connected to the left side of the main side plate 421, the right side of the first auxiliary side plate 423 is connected with a second auxiliary side plate 423, the first auxiliary side plate 422 and the second auxiliary side plate 423 are arranged in a y shape, a material passing gap 9 is formed between the lower end of the first auxiliary side plate 422 and the upper surface of the second auxiliary side plate 423, a baffle plate 424 is fixed at the lower end of the second auxiliary side plate 423, guard plates 425 are connected to the left side and the right side of the lower end of the second auxiliary side plate 423, one ends, facing the baffle plate 424, of the two guard plates 425 are respectively provided with a first notch 425a, the two notches 425a correspond to each other one by one, a guide strip 426 is arranged on the inner side of the guard plates 425 and above the second auxiliary side plate 423, the guide strip 426 is arranged along the length direction of the second auxiliary side plate 423, one end, facing the first auxiliary side plate 422, of the guide strip 426 is provided with a connecting portion 426 a; a first mounting seat 46 is fixed at the lower end part of the second secondary side plate 423, the material pushing rod 43 is arranged on the first mounting seat 46 in a transverse sliding manner, and a third air cylinder 47 for driving the material pushing rod 43 to slide is fixed on the first mounting seat 46; the overturning assembly 44 comprises a second bracket 48, a sliding seat 49 vertically and slidably arranged on the second bracket 48, a fourth air cylinder 401 arranged on the second bracket 48 and used for driving the sliding seat 49 to slide up and down, a rotary air cylinder 402 arranged on the sliding seat 49 and a manipulator 403 driven by the rotary air cylinder 402; an installation frame 404 is fixed on the second support 48, the material pressing rod 45 is vertically and slidably arranged on the installation frame 404, and a cylinder five 405 for driving the material pressing rod 45 to slide is fixed on the installation frame 404.

The workpiece is stacked between the first secondary side plate 422 and the second secondary side plate 423, the feeding gap 9 can allow a workpiece to pass through, the second secondary side plate 423 is obliquely arranged, the second secondary side plate 423, the guard plate 425 and the guide strip 426 are combined to form a guide channel, the workpiece slides along the guide channel after passing through the feeding gap 9, the guard plate 425 performs a left-right limiting function on the workpiece in the downward sliding process of the workpiece, the guide strip 426 performs an up-down limiting function on the workpiece, when the workpiece slides to abut against the baffle plate 424, two ends of the workpiece just correspond to the first two notches 425a, at the moment, the material pushing rod 43 moves transversely to enable one end of the material pushing rod 43 to extend into the first notch 425a and abut against the end of the workpiece, the workpiece is pushed out of the hopper 42 from the first other notch 425a, the manipulator 403 clamps the workpiece, the rotary cylinder 402 drives the manipulator 403 to rotate 90 degrees so that the workpiece in a horizontal shape is turned to be vertical, and the work piece that is vertical form is located the top of position sleeve 32, and five 405 drive pressure material poles 45 of cylinder move down, press material poles 45 with the work piece push to the position sleeve 32 in, the work piece is worn to establish in position sleeve 32, the lower extreme of work piece and the support platform 8 up end counterbalance, the upper end of work piece stretches out outside the position sleeve 32.

As shown in fig. 2, 3 and 4, the upper surface of the lower end of the secondary side plate 423 is provided with a first guide hole 4231 along the length direction, the first guide hole 4231 spans across the material passing gap 9, a first slider 427 is slidably arranged in the first guide hole 4231, the upper end of the first slider 427 protrudes upwards relative to the upper surface of the secondary side plate 423, the upper surface of the first slider 427 is provided with a tooth groove 427a along the transverse direction, the tooth groove 427a is provided with a plurality of tooth grooves 427a, the plurality of tooth grooves 427a are arranged at intervals along the length direction of the first slider 427, and the lower surface of the secondary side plate 423 is provided with a first cylinder 428 capable of driving the first slider 427 to slide along the length direction of the first guide hole 4231; a second cylinder 429 is fixed in the middle of the outer side wall of the first auxiliary side plate 422, a through hole 422a is formed in the outer side wall of the first auxiliary side plate 422, and a piston rod 429a of the second cylinder 429 penetrates through the through hole 422 a.

When the upper end of the first slider 427 is protruded upward relative to the upper surface of the second subplate 423, the first slider 427 is slid back and forth along the length direction of the first guide hole 4231, and the first slider 427 is driven by the first air cylinder 428 to slide upward along the length direction of the first guide hole 4231, because the upper end of the first slider 427 is protruded upward relative to the upper surface of the second subplate 423, the rear side surface of the upper end of the first slider 427 presses the workpiece located at the material passing gap 9 backward, and at the same time, the upper surface of the first slider 427 presses the workpiece close to the material passing gap 9 upward, so that the workpiece at the material passing gap 9 is loosened, and the workpiece is prevented from being stuck at the material passing gap 9, and after the workpiece is loosened, because the rod-shaped workpiece is cylindrical, during the downward movement of the first slider 427, the rod-shaped workpiece is positioned on the upper surface of the first slider 427 by the spline a, and because the upper end of the first slider 427 is protruded upward relative to the upper, the rear side wall of the upper end of the first sliding block 427 limits the workpiece behind the first sliding block 427, so that the workpiece on the upper surface of the first sliding block 427 is not extruded by the rear workpiece, and when the first sliding block 427 moves downwards to a position and stops, the workpiece on the upper surface of the first sliding block 427 continues to move downwards under the action of inertia and abuts against the baffle 424, so that the first sliding block 427 can stably convey the workpiece to the lower end of the second auxiliary side plate 423. Meanwhile, in the workpiece discharging process, the piston rod 429a of the second air cylinder 429 extends into the hopper 42 to extrude the workpiece in the middle of the hopper 42, so that the workpiece in the hopper 42 is loosened, the workpiece in the middle of the hopper 42 is prevented from being stuck, and the workpiece in the middle of the hopper 42 can be ensured to move downwards to the bottom of the hopper 42.

After the workpiece is arranged in the positioning sleeve 32 in a penetrating manner, the turntable 2 rotates for a certain angle to enable the workpiece to be transferred to the sheet feeding mechanism 5, the sheet feeding mechanism 5 sleeves the gasket on the upper end of the workpiece, and the gasket abuts against the upper surface of the flanging 32 a. The sheet feeding mechanism 5 adopts a gasket feeding mechanism or a sheet feeding mechanism which can convey gaskets and is already disclosed in the prior art.

As shown in fig. 5 to 8, the clinch mechanism 6 includes a third bracket 61, a punch 62, and a hydraulic cylinder 63 fixed to the third bracket 61, a second mounting seat 64 is detachably connected to the third bracket 61, the punch 62 is disposed on the second mounting seat 64 and can slide up and down with respect to the second mounting seat 64, a striking head 65 is connected to a lower end of a piston rod 631 of the hydraulic cylinder 63, the striking head 65 can abut against an upper end surface of the punch 62, a fixing rod 66 is connected to the punch 62, a bracket 67 is fixed to the piston rod 631 of the hydraulic cylinder 63, a cross bar 671 capable of abutting against the fixing rod 66 is provided on the bracket 67, and the cross bar 671 is located below the fixing rod 66.

During pressure riveting, the piston rod 631 of the hydraulic cylinder 63 moves downwards to drive the striking head 65 to move downwards, at the moment, the bracket 67 also moves downwards along with synchronization, the striking head 65 abuts against the upper end face of the punch 62 and drives the punch 62 to move downwards, the punch 62 impacts the upper end of the workpiece to enable the gasket to be riveted on the workpiece, after riveting is completed, the piston rod 631 of the hydraulic cylinder 63 moves upwards, at the moment, the bracket 67 also moves upwards along with synchronization, the bracket 67 supports the punch 62 upwards through the matching structure of the cross rod 671 and the fixing rod 66, and then the punch 62 is driven to move upwards to reset so as to strike next time. The punch 62 and the driver are separated, when the position of the punch 62 needs to be adjusted, the second mounting seat 64 is firstly detached from the third support 61, then the position of the punch 62 is adjusted, the punch 62 is aligned to a workpiece, and finally the second mounting seat 64 is fixed on the third support 61, because the position movement of the second mounting seat 64 is generally fine-adjusted, after the position of the second mounting seat 64 is slightly adjusted, the area of the lower end of the piston rod 631 is enlarged after the piston rod 631 is connected with the striking head 65, so that the striking head 65 can also abut against the upper end face of the punch 62 after the punch 62 is slightly moved, the normal work of the punch 62 is not influenced, the position adjustment of the driver is not needed when the position of the punch 62 is adjusted, and the convenience of the position adjustment of the punch 62 is greatly improved.

As shown in fig. 5 and 6, a first strip-shaped hole 611 formed in the support third 61 along the transverse direction is provided, the second mounting seat 64 is provided with a protruding block 641 inserted into the first strip-shaped hole 611, the protruding block 641 is connected with the support third 61 through a fastener, the support third 61 is provided with a fixing block 68, the fixing block 68 is provided with a second notch 681, a bolt 69 is arranged in the second notch 681, a rod part 691 of the bolt 69 is in threaded connection with the second mounting seat 64, the rod part 691 is provided with an annular boss 692, a head 693 and the annular boss 692 of the bolt 69 are respectively located on the left side and the right side of the fixing block 68, and the head 693 and the annular boss 692 are respectively attached to the side. When the position of the second mounting seat 64 needs to be adjusted, the fastener is firstly rotated to loosen the second mounting seat 64, then the bolt 69 is rotated, the bolt 69 drives the second mounting seat 64 to move transversely after being rotated, and the matching structure of the projection 641 and the strip-shaped hole 611 plays a role in guiding the transverse movement of the second mounting seat 64.

As shown in fig. 7 and 8, a sliding groove 642 is formed on one side surface of the second mounting seat 64, the punch 62 includes a second slider 621 and a punch 622, the second slider 621 is slidably disposed in the sliding groove 642, a mounting hole 621a is formed in a lower end surface of the second slider 621 along an axial direction of the second slider 621, a second guide hole 621b communicated with the mounting hole 621a is formed in an upper end surface of the second slider 621 along the axial direction of the second slider 621, a second strip-shaped hole 621c is vertically formed in each of left and right side walls of the second slider 621, the second strip-shaped hole 621c is communicated with the second guide hole 621b, an upper end of the punch 622 is inserted into the mounting hole 621a and is fixedly connected with the second slider 621, a guide block 623 is slidably disposed in the second guide hole 621b, a limiting post 624 is disposed in the sliding groove 642 in a transverse direction, the limiting post 624 is fixed on the second mounting seat 64, the limiting post 624 passes through the second strip-shaped holes 621c and is connected, the lower end face of the boss 622a is vertically provided with a through guide hole III 622b, a guide rod 625 is slidably arranged in the guide hole III 622b, and the upper end of the guide rod 625 is fixedly connected with the guide block 623. The striking head 65 acts on the second sliding block 621, the second sliding block 621 moves downwards along the sliding groove 642, the sliding groove 642 plays a guiding role in up-and-down movement of the second sliding block 621, the guide block 623 is positioned through the limiting column 624, therefore, in the sliding process of the second sliding block 621, the guide block 623 slides up and down along the second guide hole 621b, the guide block 623 plays a guiding role in up-and-down movement of the second sliding block 621, the second sliding block 621 ensures stable up-and-down movement and no offset of the second sliding block 621 under the common guiding role of the second mounting seat 64 and the guide block 623, and further the stamping head 622 does not offset, the second sliding block 621 moves up and down to drive the stamping head 622 to move up and down, the guide rod 625 plays a guiding role in up-and-down movement of the stamping head 622, and ensures that the stamping head 622.

As shown in fig. 9 to 11, the blanking mechanism 7 includes a support frame four 71 located on one side of the turntable 2 and a pressing plate 72 located above the positioning mechanism 3, an outer end of the pressing plate 72 is hinged to the support frame four 71 through a rotating shaft 73, an inner end of the pressing plate 72 is arranged to be inclined downward, an inner end of the pressing plate 72 is provided with a counterweight 74, a torsion spring 75 capable of making the pressing plate 72 always have a downward rotation tendency is arranged on the support frame four 71, a blanking slideway 76 fixed on the support frame four 71 is arranged below the pressing plate 72, a material box 77 is arranged on one side of the support frame four 71, an outer end of the blanking slideway 76 is arranged to be inclined downward, an outer end of the blanking slideway 76 is located above the material box 77, a mounting plate 78 is arranged below the positioning mechanism 3, a push rod 79 capable of sliding up and down is arranged. After the workpieces are riveted, the turntable 2 rotates to enable the workpieces to be located right above the ejector rods 79, the pressing plate 72 is located above the workpieces, the ejector rods 79 are driven by the six air cylinders 70 to move upwards, the upper ends of the ejector rods 79 abut against the lower ends of the workpieces, the workpieces are pushed upwards by the ejector rods 79, the upper ends of the workpieces abut against the inner ends of the pressing plate 72, in the process that the workpieces gradually move upwards, the pressing plate 72 rotates upwards along with the workpieces, when the workpieces are completely ejected out of the positioning sleeves 32, the ejector rods 79 are driven by the six air cylinders 70 to move downwards to reset, the end portions of the workpieces are in a suspended state, the pressing plate 72 rotates downwards under the combined action of the torsion springs 75 and the self gravity, the upper ends of the workpieces are pulled outwards by the inner ends of the pressing plate 72, the workpieces are integrally inclined outwards, the workpieces are discharged, and automatic discharging can be realized only by the action of, the blanking mode is simple and quick, and the blanking efficiency of the workpiece is obviously improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (10)

1. The riveting machine is characterized in that the feeding mechanism (4) comprises a first support (41), the first support (41) is provided with a hopper (42), the right side of the hopper (42) is provided with a material pushing rod (43) capable of pushing a workpiece in the hopper (42) to the outside of the hopper (42) in the transverse direction, and the left side of the hopper (42) is provided with a positioning mechanism (3) capable of turning the workpiece from the horizontal direction to the vertical direction An upper overturning component (44) and a material pressing rod (45) capable of pushing the workpiece downwards into the positioning mechanism (3).

2. The riveting machine according to claim 1, wherein the positioning mechanism (3) comprises a linear bearing (31) fixed on the turntable (2) and a positioning sleeve (32) sleeved in the linear bearing (31), the upper end of the positioning sleeve (32) is provided with a flanging (321) attached to the upper end face of the linear bearing (31), the upper end of the positioning sleeve (32) is provided with a limit ring (33), the limit ring (33) is attached to the lower end face of the linear bearing (31), and a supporting platform (8) in a circular ring shape is arranged at a position of the machine platform (1) below the positioning sleeve (32).

3. The riveting machine according to claim 1, wherein the hopper (42) comprises a main side plate (421), a first secondary side plate (422) is connected to the left side of the main side plate (421), a second secondary side plate (423) is connected to the right side of the main side plate (421), the first secondary side plate (422) and the second secondary side plate (423) are arranged in a y shape, a material passing gap (9) is formed between the lower end of the first secondary side plate (422) and the upper surface of the second secondary side plate (423), a baffle plate (424) is fixed to the lower end of the second secondary side plate (423), guard plates (425) are connected to the left side and the right side of the lower end of the second secondary side plate (423), one notches (425a) are formed in one end, facing the baffle plate (424), the two notches (425a) correspond to one another, guide strips (426) are arranged on the inner side of the guard plates (425) and above the second secondary side plate (423), the guide strip (426) is arranged along the length direction of the second auxiliary side plate (423), one end, facing the first auxiliary side plate (422), of the guide strip (426) is provided with a connecting part (426a) which is upwards warped and is in a circular arc shape, and the upper end of the connecting part (426a) is fixedly connected with the lower end of the first auxiliary side plate (422).

4. The riveting machine as claimed in claim 3, wherein the upper surface of the lower end of the secondary side plate (423) is provided with a first guide hole (4231) along the length direction, the first guide hole (4231) spans across the material passing gap (9), a first slider (427) is slidably arranged in the first guide hole (4231), the upper end of the first slider (427) protrudes upwards relative to the upper surface of the secondary side plate (423), the upper surface of the first slider (427) is provided with a plurality of tooth grooves (427a) along the transverse direction, the tooth grooves (427a) are provided with a plurality of tooth grooves (427a) at intervals along the length direction of the first slider (427), and the lower surface of the secondary side plate (423) is provided with a first cylinder (428) capable of driving the first slider (427) to slide along the length direction of the first guide hole (4231).

5. The riveting machine according to claim 4, wherein a second cylinder (429) is fixed in the middle of the outer side wall of the first secondary side plate (422), a through hole (422a) is formed in the outer side wall of the first secondary side plate (422), and a piston rod of the second cylinder (429) is arranged in the through hole (422a) in a penetrating manner.

6. The riveting machine according to claim 1, wherein a first mounting seat (46) is fixed at the lower end part of the second secondary side plate (423), the material pushing rod (43) is arranged on the first mounting seat (46) in a sliding manner along the transverse direction, and a third air cylinder (47) for driving the material pushing rod (43) to slide is fixed on the first mounting seat (46); the overturning assembly (44) comprises a second support (48), a sliding seat (49) which is arranged on the second support (48) in a vertical sliding mode, a cylinder IV (401) which is arranged on the second support (48) and used for driving the sliding seat (49) to slide up and down, a rotating cylinder (402) which is arranged on the sliding seat (49) and a manipulator (403) which is driven by the rotating cylinder (402); an installation frame (404) is fixed on the second support (48), the material pressing rod (45) is arranged on the installation frame (404) in a vertical sliding mode, and a cylinder five (405) used for driving the material pressing rod (45) to slide is fixed on the installation frame (404).

7. A riveting machine according to claim 1, wherein the riveting mechanism (6) comprises a bracket III (61), a punch (62) and a hydraulic cylinder (63) fixed on the bracket III (61), a second mounting seat (64) is detachably connected to the third support (61), the punch (62) is arranged on the second mounting seat (64) and can slide up and down relative to the second mounting seat (64), the lower end of a piston rod (631) of the hydraulic cylinder (63) is connected with a striking head (65), the striking head (65) can be abutted against the upper end surface of the punch (62), the punch (62) is connected with a fixed rod (66), a bracket (67) is fixed on a piston rod (631) of the hydraulic cylinder (63), the bracket (67) is provided with a cross rod (671) capable of abutting against the fixed rod (66), and the cross rod (671) is positioned below the fixed rod (66).

8. The riveting machine according to claim 7, wherein the bracket III (61) is provided with a first strip-shaped hole (611) which is arranged along the transverse direction, the second mounting seat (64) is provided with a convex block (641) inserted into the first strip-shaped hole (611), the bump (641) is connected with a third bracket (61) through a fastener, a fixed block (68) is arranged on the third bracket (61), a second notch (681) is formed in the fixing block (68), a bolt (69) is arranged in the second notch (681), the rod part (691) of the bolt (69) is in threaded connection with the second mounting seat (64), the rod part (691) is provided with an annular boss (692), the head part (693) of the bolt (69) and the annular boss (692) are respectively positioned at the left side and the right side of the fixing block (68), and the head (693) and the annular boss (692) are respectively abutted against the side wall of the fixing block (68).

9. The riveting machine according to claim 7, wherein a sliding groove (642) is formed in one side surface of the second mounting seat (64), the punch (62) comprises a second slider (621) and a punching head (622), the second slider (621) is slidably disposed in the sliding groove (642), a mounting hole (621a) is formed in the lower end surface of the second slider (621) along the axial direction of the second slider (621), a second guide hole (621b) communicated with the mounting hole (621a) is formed in the upper end surface of the second slider (621) along the axial direction of the second slider (621), a second strip-shaped hole (621c) is vertically formed in each of the left and right side walls of the second slider (621), the second strip-shaped hole (621c) is communicated with the second guide hole (621b), the upper end of the punching head (622) is inserted into the mounting hole (621a) and fixedly connected with the second slider (621), and a guide block (623) is slidably disposed in the second guide hole (621b), have in spout (642) along horizontal spacing post (624) that sets up, spacing post (624) are fixed on mount pad two (64), two bar holes two (621c) are passed and are connected with guide block (623) in spacing post (624), the lower terminal surface of punching press head (622) has boss (622a), the lower terminal surface of boss (622a) is along vertical three (622b) of seting up the guiding hole that link up, it is provided with guide bar (625) to slide in three (622b) of guiding hole, the upper end and guide block (623) fixed connection of guide bar (625).

10. The riveting machine according to claim 1, wherein the blanking mechanism (7) comprises a bracket four (71) positioned on one side of the turntable (2) and a pressing plate (72) positioned above the positioning mechanism (3), the outer end of the pressing plate (72) is hinged on the bracket four (71) through a rotating shaft (73), the inner end of the pressing plate (72) is arranged in a downward inclined manner, the inner end of the pressing plate (72) is provided with a balancing weight (74), the bracket four (71) is provided with a torsion spring (75) capable of enabling the pressing plate (72) to always have a downward rotating trend, a blanking slideway (76) fixed on the bracket four (71) is arranged below the pressing plate (72), one side of the bracket four (71) is provided with a material box (77), the outer end of the blanking slideway (76) is arranged in a downward inclined manner, and the outer end of the blanking slideway (76) is positioned above the material box (77), the positioning mechanism is characterized in that a mounting plate (78) is arranged below the positioning mechanism (3), a push rod (79) capable of sliding up and down is arranged on the mounting plate (78), and a cylinder six (70) used for driving the push rod (79) to slide is fixed on the mounting plate (78).