CN212704200U

CN212704200U - Automatic riveting machine

Info

Publication number: CN212704200U
Application number: CN202020766429.2U
Authority: CN
Inventors: 罗震亚
Original assignee: Sichuan Farong Forestry Industry Co ltd
Current assignee: Sichuan Farong Forestry Industry Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-03-16
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to a machining equipment technical field especially relates to an automatic riveter, has solved the low manual operation efficiency among the prior art, the problem that the riveter structure is complicated, the cost is higher. The utility model provides an automatic riveting machine, including workstation and punching press mechanism, the workstation is equipped with a transmission shaft that runs through, the upper end is equipped with the riveting platform, the lower extreme is equipped with the carousel, riveting bench surface and carousel lower surface respectively fixedly connected with a plurality of mounting fixture and the commentaries on classics piece that are the circumference symmetry, punching press mechanism include the frame and with frame fixed connection's cylinder, cylinder free end fixedly connected with die, the die is just to a mounting fixture, the workstation is equipped with 4 supporting legs, supporting leg fixedly connected with motor, motor output shaft fixedly connected with column block, the column block is equipped with non-closed ring shape piece along the lateral wall, the ring shape piece both ends are equipped with 2 shifting blocks symmetrically. The utility model discloses simple structure, it is with low costs, can realize continuous automatic riveting, improved production efficiency.

Description

Automatic riveting machine

Technical Field

The utility model relates to a machining equipment technical field especially relates to an automatic riveter.

Background

Riveting is a method for upsetting a nail rod in a rivet hole of a part and forming a nail head by utilizing axial force to connect a plurality of parts, is one of the most common processing techniques in the industrial production process of products, and is divided into movable riveting, fixed riveting and sealed riveting according to the connection relationship between combined parts.

At present, workpieces are mostly riveted through manual operation, only one workpiece can be riveted at a time, at least two workers are needed to cooperate to operate, labor is consumed, efficiency is low, and a few riveting machines are complex in structure and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic riveter has solved the manual operation inefficiency among the prior art, the problem that the riveter structure is complicated, the cost is higher.

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

an automatic riveting machine comprises a workbench and a punching mechanism, wherein the workbench is rotationally connected with a transmission shaft, the transmission shaft penetrates through the workbench, the upper end of the transmission shaft is fixedly connected with a riveting table, the lower end of the transmission shaft is fixedly connected with a turntable with the radius equal to that of the riveting table, the upper surface of the riveting table and the lower surface of the turntable are respectively and fixedly connected with a plurality of fixed clamps and rotating blocks which are circumferentially symmetrical, each fixed clamp is provided with a rotating block of which only one central point and the central point are positioned on the same vertical line, the punching mechanism comprises a frame and a cylinder fixedly connected with the frame, the free end of the cylinder is fixedly connected with a rivet head, the rivet head is right opposite to one fixed clamp, the lower part of the workbench is symmetrically and fixedly connected with 4 supporting legs, the supporting legs are fixedly connected with a motor, the output shaft of the motor is fixedly connected with a column block, the column, the two side faces of the annular block are in clearance fit with the two adjacent rotating blocks, the horizontal length of the part of the shifting block, which protrudes out of the annular block, is greater than the diameter of the rotating block but smaller than the sum of the diameter of the rotating block and the width of the annular block, and the distance between the two shifting blocks is not smaller than the diameter of the rotating block all the time.

Preferably, the transmission shaft is located and rotates between riveting platform and the workstation and be connected with the combination dish, combination dish and riveting platform clearance fit, and first through-hole has all been seted up under every mounting fixture to the riveting platform, and the combination dish is equipped with the second through-hole with a first through-hole complex, and the workstation is equipped with the third through-hole with second through-hole complex, the second through-hole not with be located under the die and rotate the first through-hole cooperation that is located under the die next time.

Preferably, the second through hole is matched with the first through hole which is positioned on the same diameter with the first through hole right below the rivet head in the next rotation.

Preferably, the lower part of the third through hole is provided with an inclined straight plate, and a material receiving box is arranged below the inclined straight plate.

Preferably, the upper surface of the workbench is fixedly connected with a positioning piece positioned above the combining disc, and the positioning piece is positioned on one side of the fixed clamp right below the rivet head.

Preferably, 4 supporting leg lower extremes all are equipped with the universal wheel.

Preferably, the frame is provided with a reinforcing block and a reinforcing strip.

Preferably, the frame is symmetrically provided with 4 shock absorbing legs.

The utility model discloses possess following beneficial effect at least:

the utility model utilizes the matching of the column block, the annular block, the shifting block, the rotating block and the rotating disc to convert the continuous rotation of the motor into the intermittent rotation of the rotating disc, and utilizes the transmission shaft to transmit the intermittent motion to the riveting table, so that the intermittent rotation state of the riveting table is matched with the upward and upward motion state of the riveting head driven by the cylinder, namely when the riveting table is static, the cylinder drives the riveting head to press the riveting pile downwards, after the riveting is completed, the cylinder drives the riveting head to move upwards to a certain height, the riveting table rotates by a certain angle, so that the next workpiece is positioned under the riveting head, the riveting table is static, the cylinder drives the riveting head to punch downwards again, and the automatic riveting process is repeated in such a way, compared with the prior art, the automatic riveting process of the continuous punching and riveting of the riveting head driven by the cylinder has the problems of low manual operation efficiency, complicated structure and high cost of the riveting machine, the, and the automatic riveting process that the cylinder drives the rivet head to continuously punch and rivet can be realized, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

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

fig. 2 is a partial sectional view of the present invention.

In the figure: 1. a work table; 2. a stamping mechanism; 3. a drive shaft; 4. riveting a platform; 5. a turntable; 6. fixing the clamp; 7. rotating the block; 8. a frame; 9. a cylinder; 10. riveting heads; 11. supporting legs; 12. a motor; 13. a column block; 14. a ring block; 15. shifting blocks; 16. a bonding pad; 17. a first through hole; 18. a second through hole; 19. a third through hole; 20. a straight plate is inclined; 21. a material receiving box; 22. a positioning member; 23. a universal wheel; 24. a reinforcing block; 25. a reinforcing strip; 26. shock-absorbing legs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, an automatic riveting machine comprises a workbench 1 and a punching mechanism 2, wherein the workbench 1 is rotatably connected with a transmission shaft 3, the transmission shaft 3 penetrates through the workbench 1, the upper end of the transmission shaft is fixedly connected with a riveting table 4, the lower end of the transmission shaft is fixedly connected with a turntable 5 with the same radius as that of the riveting table 4, concretely, the workbench 1 is rotatably connected with the transmission shaft 3 through a bearing sleeve, the upper surface of the riveting table 4 and the lower surface of the turntable 5 are respectively and fixedly connected with a plurality of fixing clamps 6 and rotating blocks 7 which are circumferentially symmetrical, each fixing clamp 6 is provided with a rotating block 7 with only one central point and the central point of the rotating block on the same vertical line, the punching mechanism 2 comprises a frame 8 and an air cylinder 9 fixedly connected with the frame 8, the free end of the air cylinder 9 is fixedly connected with a riveting head 10, the riveting head 10 is opposite to, the supporting leg 11 is fixedly connected with a motor 12, the output shaft of the motor 12 is fixedly connected with a column block 13, the column block 13 is provided with a non-closed annular block 14 along the side wall, two ends of the annular block 14 are symmetrically provided with 2 shifting blocks 15 with the thickness equal to that of the annular block 14, concretely, the annular block 14 is fixedly connected with the column block 13, the shifting blocks 15 are fixedly connected with the annular block 14, two side surfaces of the annular block 14 are in clearance fit with two adjacent rotating blocks 7, the width of the annular block 14 is equal to the distance between the nearest points of the two adjacent rotating blocks 7, the horizontal length of the part of the shifting block 15 protruding out of the annular block 14 is larger than the diameter of the rotating block 7 but smaller than the sum of the diameter of the rotating block 7 and the width of the annular block 14, and the distance between the two shifting.

The scheme has the following working processes:

placing a to-be-riveted part provided with a riveting pile in each fixing clamp 6, starting the air cylinder 9 and the motor 12, driving the column block 13 to rotate by the motor 12, driving the annular block 14 to rotate by the column block 13, driving the shifting block 15 to rotate by the annular block 14, not driving the shifting block 15 to rotate to a position contacted with the rotating block 7, not driving the rotating disc 5 to rotate by the rotation of the column block 13 and the annular block 14, keeping the rotating disc 5 and the riveting table 4 static, and simultaneously driving the riveting head 10 to press the riveting pile downwards by the air cylinder 9 so as to rivet the riveting pile on the to-be-riveted part; after riveting, the cylinder 9 drives the rivet head 10 to face upwards, then the shifting block 15 rotates to the position contacted with the rotating block 7, the rotating block 7 can be pushed by the shifting block 15 until the side wall of the rotating block 7 is contacted with the side wall of the annular block 14, the next rotating block 7 rotates to the position of the previous rotating block 7, meanwhile, the rotating block 7 drives the rotating disc 5 to rotate for a certain angle, the rotating disc 5 drives the riveting table 4 to rotate for an equal angle through the transmission shaft 3, the next piece to be riveted rotates under the rivet head 10, at the moment, the shifting block 15 is not contacted with the rotating block 7, the rotation of the column block 13 and the annular block 14 cannot drive the rotating disc 5 to rotate, the cylinder 9 drives the rivet head 10 to press the rivet pile downwards, so that the rivet pile is riveted on the piece to be riveted, and the riveting table 4 rotates intermittently, and the cylinder 9 drives the rivet head 10 to continuously press and rivet the automatic riveting process.

According to the working process, the following steps are known:

the utility model utilizes the matching of the column block 13, the annular block 14 and the shifting block 15 with the rotating block 7 and the rotating disc 5 to convert the continuous rotation of the motor 12 into the intermittent rotation of the rotating disc 5, and the intermittent motion is transmitted to the riveting table 4 by using the transmission shaft 3, so that the intermittent rotation state of the riveting table 4 is matched with the upward and upward motion state of the riveting head 10 driven by the air cylinder 9, namely, when the riveting table 4 is static, the cylinder 9 drives the riveting head 10 to press the riveting pile downwards, after the riveting is finished, the cylinder 9 drives the rivet head 10 to move upwards to a certain height, the riveting table 4 rotates a certain angle, so that the next workpiece is positioned right below the rivet head 10, the riveting table 4 is still, the cylinder 9 drives the rivet head 10 to punch downwards again, and the reciprocating is carried out in the way, the utility model has simple structure and low cost, and the automatic riveting process that the cylinder 9 drives the rivet head 10 to continuously punch and rivet can be realized, and the production efficiency is improved.

Further, a combination disc 16 is rotatably connected between the transmission shaft 3 and the workbench 1, the combination disc 16 is in clearance fit with the riveting table 4, a first through hole 17 is formed under each fixing clamp 6 of the riveting table 4, a second through hole 18 matched with the first through hole 17 is formed on the combination disc 16, a third through hole 19 matched with the second through hole 18 is formed on the workbench 1, specifically, the aperture of each of the first through hole 17, the second through hole 18 and the third through hole 19 is not smaller than the distance between two points with the farthest distance on the horizontal plane of the workpiece, the second through hole 18 is not matched with the first through hole 17 which is positioned under the riveting head 10 and rotates next time, namely under the riveting head 10, when the first through hole 17 is rotated to a position right above the second through hole 18 and the third through hole 19, the riveted work in the first through hole 17 can automatically fall down from the riveting station 4 through the combining plate 16 and the working table 1.

Further, the second through hole 18 is matched with the first through hole 17 which rotates next time, namely, is positioned on the same diameter with the first through hole 17 right below the rivet head 10, specifically, when the first through hole 17 rotates to the position right above the second through hole 18 and the third through hole 19, a workpiece positioned in the first through hole 17 can fall down from the riveting table 4 and the workbench 1 through the combination disc 16, then, the next position to which the unloaded first through hole 17 rotates is positioned on the same diameter with the first through hole 17 right below the rivet head 10, the workpiece to be riveted provided with the rivet pile is placed from the position, the position is farthest away from the rivet head 10, the workpiece is placed at the position, and the safety is higher.

Further, an inclined straight plate 20 is arranged at the lower part of the third through hole 19, a material receiving box 21 is arranged below the inclined straight plate 20, specifically, the inclined straight plate 20 is fixedly connected with the lower part of the workbench 1, and riveted workpieces fall into the inclined straight plate 20 from the workbench 1 and then fall into the material receiving box 21, so that the riveted workpieces are convenient to collect.

Further, the upper surface of the working table 1 is fixedly connected with a positioning member 22 located above the combining disc 16, the positioning member 22 is located on one side of the fixing clamp 6 right below the rivet head 10, and specifically, the positioning member 22 can prevent the to-be-riveted member from toppling over during riveting.

Further, 4 supporting legs 11 lower extremes all are equipped with universal wheel 23, and is specific, when moving table 1, lift up the pedal of universal wheel 23, can step on after stopping and pedal fixedly.

Further, the frame 8 is provided with the reinforcing blocks 24 and the reinforcing strips 25, specifically, during riveting, a certain tensile force is brought to the frame 8 by stamping the riveting head 10 and the riveting piles, and the reinforcing blocks 24 and the reinforcing strips 25 can increase the strength of the frame 8.

Further, frame 8 is equipped with 4 shock attenuation legs 26 symmetrically, and specifically, shock attenuation leg 26 can reduce the vibrations of frame 8 when the riveting, reduces the noise, and the protection equipment improves the riveting effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic riveting machine comprises a workbench (1) and a punching mechanism (2), and is characterized in that the workbench (1) is rotatably connected with a transmission shaft (3), the transmission shaft (3) penetrates through the workbench (1), the upper end of the transmission shaft is fixedly connected with a riveting table (4), the lower end of the transmission shaft is fixedly connected with a turntable (5) with the radius equal to that of the riveting table (4), the upper surface of the riveting table (4) and the lower surface of the turntable (5) are respectively and fixedly connected with a plurality of fixing clamps (6) and rotating blocks (7) which are circumferentially symmetrical, each fixing clamp (6) is provided with the rotating block (7) only one central point of which is positioned on the same vertical line with the central point of the fixing clamp, the punching mechanism (2) comprises a rack (8) and an air cylinder (9) fixedly connected with the rack (8), and a riveting head (10) is fixedly connected with the free end of the air cylinder (9, the rivet head (10) is opposite to one fixing clamp (6), 4 supporting legs (11) are symmetrically and fixedly connected to the lower part of the workbench (1), the supporting leg (11) is fixedly connected with a motor (12), an output shaft of the motor (12) is fixedly connected with a column block (13), the column block (13) is provided with a non-closed annular block (14) along the side wall, two ends of the annular block (14) are symmetrically provided with 2 shifting blocks (15) with the thickness equal to that of the annular block (14), two side surfaces of the annular block (14) are in clearance fit with the two adjacent rotating blocks (7), the horizontal length of the part of the shifting block (15) protruding out of the annular block (14) is larger than the diameter of the rotary block (7) but smaller than the sum of the diameter of the rotary block (7) and the width of the annular block (14), the distance between the two shifting blocks (15) is not smaller than the diameter of the rotating block (7) all the time.

2. The automatic riveting machine according to claim 1, characterized in that a combination disc (16) is rotatably connected between the transmission shaft (3) and the workbench (1) and is positioned between the riveting table (4) and the workbench (1), the combination disc (16) is in clearance fit with the riveting table (4), a first through hole (17) is formed in the riveting table (4) under each fixing clamp (6), a second through hole (18) matched with the first through hole (17) is formed in the combination disc (16), a third through hole (19) matched with the second through hole (18) is formed in the workbench (1), and the second through hole (18) is not matched with the first through hole (17) under the riveting head (10) and in the next rotation, namely under the riveting head (10).

3. An automatic riveting machine according to claim 2, characterized in that the second through hole (18) cooperates with the first through hole (17) on the same diameter as the first through hole (17) directly below the head (10) in the next rotation.

4. An automatic riveting machine according to claim 2 or 3, characterized in that the third through hole (19) is provided with an inclined straight plate (20) at the lower part, and a material receiving box (21) is arranged below the inclined straight plate (20).

5. The automatic riveting machine according to claim 2, characterized in that a positioning piece (22) is fixedly connected to the upper surface of the working table (1) and is positioned above the combination disc (16), and the positioning piece (22) is positioned at one side of the fixed clamp (6) right below the riveting head (10).

6. The automatic riveting machine according to claim 1, characterized in that the lower ends of 4 support legs (11) are provided with universal wheels (23).

7. An automatic riveting machine according to claim 1, characterized in that the frame (8) is provided with stiffening blocks (24) and stiffening strips (25).

8. An automatic riveting machine according to claim 1, characterized in that the frame (8) is symmetrically provided with 4 shock absorbing legs (26).