Double-station riveting equipment and method thereof

Abstract

The invention discloses double-station riveting equipment and a method thereof, and belongs to the technical field of riveting. A riveting mechanism is installed in the middle of the upper side of the machine table, and riveting tables are symmetrically installed in the middle of the lower side of the machine table. Storage bins used for containing rivets are fixedly installed on the tops of the two sides of the machine table, and feeding mechanisms are symmetrically installed on the two sides of the machine table. The feeding mechanism comprises a material arranging assembly, a feeding assembly and a guiding assembly. The material arranging assembly used for sequentially conveying the rivets in the storage bin downwards is fixedly installed on the upper side of the machine table. A guiding assembly is installed in the middle of the machine table and aligned with the riveting table, and a feeding assembly used for moving rivets in the arranging assembly into the guiding assembly is installed on the side edge of the machine table. A synchronous driving mechanism used for synchronously driving the two material arranging assemblies is installed on the rear side of the machine table. By means of the mode, continuous and synchronous feeding of rivets is achieved, workpieces on the two stations are synchronously riveted through the riveting mechanism, and the riveting efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of riveting, and in particular to a double-station riveting device and a method thereof. Background Art

[0002] Riveting has good connection sealing, high connection strength, and the stress generated by riveting is evenly distributed. It has good adaptability to workpieces of various materials, so it is used in the connection of a variety of workpieces.

[0003] For example, Chinese patent CN219304143U discloses a riveting machine. When in use, a rivet is inserted into a riveting hole of a workpiece, and then pressure is applied to the rivet to deform the end of the rivet to form a head that fits tightly with the workpiece, thereby completing the riveting.

[0004] However, the device can only rivet one group of workpieces at a time, and it is difficult to improve the riveting efficiency.

[0005] Based on this, the present invention designs a double-station riveting device and method to solve the above problems. Summary of the invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a double-station riveting device and method thereof.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A double-station riveting device, comprising a machine platform; A riveting mechanism is installed in the middle of the upper side of the machine, and a riveting table is symmetrically installed in the middle of the lower side of the machine; storage bins for accommodating rivets are fixedly installed on the top of both sides of the machine, and feeding mechanisms are symmetrically installed on both sides of the machine; The feeding mechanism includes a material sorting assembly, a feeding assembly and a guide assembly. The upper side of the machine is fixedly installed with a material sorting assembly for sequentially conveying the rivets in the material storage bin downward; the middle part of the machine is equipped with a guide assembly aligned with the riveting table, and the side of the machine is equipped with a feeding assembly for moving the rivets in the material sorting assembly to the guide assembly; A synchronous driving mechanism for synchronously driving two sets of material handling components is installed on the rear side of the machine.

[0008] Furthermore, the synchronous drive mechanism includes a support frame, a motor and a transmission assembly. The support frame is fixedly mounted on the machine platform, the motor is fixedly mounted on the support frame, two sets of transmission assemblies are installed on the machine platform, the power input end of the transmission assembly is fixedly connected to the output shaft of the motor, and the power output end of the transmission assembly is connected to the material sorting assembly.

[0009] Furthermore, the material sorting component includes a material sorting box, a rotating frame, a rotating disk and a conformal groove. The material sorting box is fixedly installed on the machine table, and the rotating frame is rotatably installed in the material sorting box. The power output end of the transmission component is fixedly connected to one end of the connecting shaft, and the other end of the connecting shaft passes through the material sorting box and is fixedly connected to the rotating frame. A rotating disk is fixedly installed on the rotating frame, and conformal grooves are evenly spaced in a circular array on the edge of the rotating disk; the upper end opening of the material sorting box is located at the bottom of the material storage bin.

[0010] Furthermore, the material sorting component also includes a fixed material guide chute frame, which is fixedly installed on the machine platform, with the upper end opening of the fixed material guide chute frame aligned with the lower end opening of the material sorting box; and a clearance groove is opened on the lower side of the fixed material guide chute frame.

[0011] Furthermore, the feeding assembly includes a feeding cylinder, a movable plate, a first plug plate, a second plug plate and a material guide assembly. The feeding cylinder is fixedly mounted on the machine platform, and the movable plate is fixedly mounted on the output end of the feeding cylinder. The first plug plate and the second plug plate are fixedly mounted on the movable plate. The first plug plate and the second plug plate are staggered, and the vertical distance between the first plug plate and the second plug plate is consistent with the outer diameter of the rivet; the first plug plate is plugged into the lower side of the fixed material guide trough frame, and the second plug plate is fitted and slid with the bottom of the fixed material guide trough frame; the material guide assembly is mounted on the machine platform.

[0012] Furthermore, the material guide assembly includes a rotating material guide trough frame and a spring. The upper end of the rotating material guide trough frame is rotatably mounted on the machine platform, and the lower end of the rotating material guide trough frame abuts against the guide assembly; the upper end of the spring is fixedly connected to the machine platform, and the lower end of the spring is fixedly connected to the rotating material guide trough frame.

[0013] Furthermore, the guide assembly includes a mounting frame, a rotating arm, a fixed block, an arcuate groove and a feed trough. The mounting frame is fixedly mounted on the machine platform, one end of the rotating arm is hinged to the mounting frame, a torsion spring is sleeved on the hinge axis of the rotating arm and the mounting frame, and two elastic feet of the torsion spring are respectively abutted against the rotating arm and the mounting frame; the two rotating arms are symmetrically arranged on the mounting frame; a fixed block is fixedly mounted on the other end of the rotating arm; an arcuate groove is opened on the inner side of the fixed block, and a feed trough connected to the lower end of the rotating material guide trough frame is opened on the lower side of the fixed block; the two arcuate grooves constitute a conical groove with a larger upper part and a smaller lower part; the lower end of the rotating material guide trough frame abuts against the side of the fixed block.

[0014] Furthermore, the riveting mechanism includes a riveting cylinder, a moving block, a guide rail and a pressure rod. The riveting cylinder is fixedly installed on the upper side of the machine, the guide rail is fixedly installed on the machine, the moving block is fixedly installed on the output end of the riveting cylinder, and the moving block is slidingly connected to the guide rail; a pressure rod is symmetrically fixedly installed on the lower side of the moving block; the pressure rod slides in fit with the arc groove.

[0015] Furthermore, the riveting table includes a lower support block, a round table and a round rod. The lower support block is fixedly installed on the lower side of the machine table. The round table is fixedly installed on the lower support block. The round rod is fixedly installed on the round table. The round rod is aligned with the pressure rod.

[0016] In order to better achieve the purpose of the present invention, the present invention also provides a method for using a double-station riveting device, comprising the following steps: Step 1: Place multiple rivets in the material storage bin, the motor drives the rotating frame to rotate through the transmission assembly, and the rotation of the rotating frame drives the rotating disk to rotate; the rivets in the material storage bin are driven to rotate by the rotating disk after matching with the conformal grooves on the rotating disk, until they move to the lower opening of the material sorting box, and the rivets on the rotating disk that move to the conformal grooves on the lower opening of the material sorting box fall into the fixed material guide chute frame under the action of gravity, and move downward along the fixed material guide chute frame; the rivets at the lower side of the fixed material guide chute frame are blocked by the second plug plate; Step 2: The feeding cylinder drives the moving plate to move, and the moving plate drives the first plug plate and the second plug plate to move synchronously, so that the first plug plate is inserted into the upper side of the uppermost rivet, and at the same time, the second plug plate no longer blocks the lowermost rivet; the lowermost rivet in the fixed material guide chute frame falls into the rotating material guide chute frame, and moves along the rotating material guide chute frame into the feed chute in the fixed block; then the feeding cylinder drives the first plug plate and the second plug plate to reset through the moving plate, so that the rivets in the fixed material guide chute frame fall downward, and at this time, the lowermost rivet in the fixed material guide chute frame is blocked by the second plug plate; Step 3: Place two groups of workpieces on two groups of round tables, and insert the round rod into the riveting holes of the workpieces; start the riveting cylinder to drive the moving block to move, and the moving block moves vertically downward under the limiting action of the guide rail, driving the two pressure rods to move vertically downward; the two pressure rods move between the arc grooves on the inner sides of the two fixed blocks respectively, thereby pushing the fixed blocks to increase the distance between the two fixed blocks, so as to facilitate the rivet to fall from between the feed grooves; the pressure rod presses down the feed groove, so that the feed groove is inserted into the riveting holes between the workpieces, and the round rod passes through the middle of the rivet; until the lower side of the rivet contacts the upper side of the round table, at this time, the rivet is continued to be pressed down by the pressure rod, so that the lower side of the rivet is compressed and rolled under the action of the pressure rod and the round table, and the riveting is completed; in this process, the movement of the fixed block drives the rotating arm to move, and the torsion spring between the rotating arm and the mounting frame is twisted; then the riveting cylinder drives the pressure rod to reset through the moving block, and the fixed block and the rotating arm are reset.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting two sets of material sorting components, material feeding components, guide components and riveting tables, the lower side of the riveting mechanism corresponds to two riveting stations, thereby facilitating the improvement of riveting efficiency; the synchronous driving mechanism drives the two material sorting components, thereby enabling the two stations to synchronously transport rivets, thereby facilitating the saving of driving space and improving the riveting efficiency; 2. Arrange the rivets in the storage bin through the material sorting component and then convey them downward; then open the feeding component to convey the rivets at the lower end of the material sorting component to the guide component, and at this time, the rivets in the guide component are aligned with the riveting table; place the workpiece on the riveting table, align the riveting holes of the workpiece with the output end of the riveting mechanism, and at this time, the rivets in the guide component are aligned with the riveting holes of the workpiece; start the riveting mechanism, and synchronously press the rivets in the guide components on both sides downward through the riveting mechanism, and at the same time, the guide component opens to facilitate the rivets to fall downward; so that the rivets are inserted into the riveting holes of the workpiece, and through the riveting mechanism and The riveting table cooperates to complete the riveting; the feeding assembly automatically avoids at this time, so that the riveting can proceed smoothly; after the riveting is completed, the riveting mechanism is reset, and the guide assembly and the feeding assembly are reset; the rivets in the material handling assembly are transported to the guide assembly again through the feeding assembly, so as to continue the riveting; at the same time, the riveted workpiece is removed; through the cooperation of multiple mechanisms, the riveting mechanism is used to synchronously rivet the workpieces on the two stations, so as to ensure the continuous feeding of the rivets, and the rivets are aligned with the riveting holes on the workpieces through the guide assembly to ensure the accuracy of the riveting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A three-dimensional diagram of a double-station riveting device of the present invention Figure 1 ; Figure 2 It is a front view of a double-station riveting device of the present invention; Figure 3 A three-dimensional diagram of a double-station riveting device of the present invention Figure 2 ; Figure 4 A three-dimensional diagram of a double-station riveting device of the present invention Figure 3 ; Figure 5 It is a schematic diagram of the rotating disk and its connection structure; Figure 6 is a schematic diagram of a first plugboard and its connection structure; Figure 7 It is a schematic diagram of the rotating arm and its connection structure.

[0020] The numbers in the figure represent: 1. Machine; 2. Material storage bin; 3. Synchronous drive mechanism; 31. Support frame; 32. Motor; 33. Transmission assembly; 4. Feeding mechanism; 41. Material sorting assembly; 411. Material sorting box; 412. Rotating frame; 413. Rotating disk; 414. Conformable groove; 415. Fixed guide groove frame; 42. Feeding assembly; 421. Feeding cylinder; 422. Moving plate; 423. First plug plate; 424 , second plug plate; 425, rotating material guide trough frame; 426, spring; 43, guide assembly; 431, mounting frame; 432, rotating arm; 433, fixing block; 434, arc groove; 435, feeding trough; 5, riveting mechanism; 51, riveting cylinder; 52, moving block; 53, guide rail; 54, pressure rod; 6, riveting table; 61, lower support block; 62, round table; 63, round rod; 7, rivet. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0023] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 3 , a double-station riveting device, comprising a machine 1; A riveting mechanism 5 is installed in the middle of the upper side of the machine 1, and a riveting table 6 is symmetrically installed in the middle of the lower side of the machine 1; storage bins 2 for accommodating rivets 7 are fixedly installed on the top of both sides of the machine 1, and feeding mechanisms 4 are symmetrically installed on both sides of the machine 1; The feeding mechanism 4 includes a material sorting component 41, a feeding component 42 and a guide component 43. The material sorting component 41 is fixedly installed on the upper side of the machine 1 for sequentially conveying the rivets 7 in the storage bin 2 downward; the guide component 43 is installed in the middle of the machine 1 aligned with the riveting table 6, and the feeding component 42 is installed on the side of the machine 1 for moving the rivets 7 in the material sorting component 41 to the guide component 43; A synchronous driving mechanism 3 for synchronously driving two sets of material sorting components 41 is installed at the rear side of the machine 1 .

[0024] In this embodiment, when the double-station riveting equipment works normally, the lower side of the riveting mechanism 5 corresponds to two riveting stations through the arrangement of two groups of material sorting components 41, feeding components 42, guide components 43 and riveting table 6, so as to improve the riveting efficiency; the synchronous driving mechanism 3 drives the two material sorting components 41, so that the two stations can synchronously transport the rivets 7, which is convenient for saving driving space and improving the riveting efficiency; the rivets 7 in the storage bin 2 are sorted and transported downward by the material sorting component 41; then the feeding component 42 is opened to transport the rivets 7 at the lower end of the material sorting component 41 into the guide component 43, and at this time, the rivets 7 in the guide component 43 are aligned with the riveting table 6; the workpiece is placed on the riveting table 6, so that the riveting hole of the workpiece is aligned with the output end of the riveting mechanism 5, and at this time, the rivet 7 in the guide component 43 is aligned with the riveting hole of the workpiece; the riveting mechanism 5 is started. , the rivets 7 in the guide assemblies 43 on both sides are synchronously pressed downward by the riveting mechanism 5, and the guide assembly 43 is opened to facilitate the rivets 7 to fall downward; so that the rivets 7 are inserted into the riveting holes of the workpieces, and the riveting is completed through the cooperation of the riveting mechanism 5 and the riveting table 6; therefore, it is difficult for the feeding assembly 42 to automatically avoid, so that the riveting can be carried out smoothly; after the riveting is completed, the riveting mechanism 5 is reset, and the guide assembly 43 and the feeding assembly 42 are reset; the rivets 7 in the material handling assembly 41 are transported to the guide assembly 43 again through the feeding assembly 42, so as to continue the riveting; at the same time, the riveted workpieces are removed; through the cooperation of multiple mechanisms, the riveting mechanism 5 is used to synchronously rivet the workpieces on the two stations, so as to ensure the continuous feeding of the rivets 7, and the rivets 7 are aligned with the riveting holes on the workpieces through the guide assembly 43 to ensure the accuracy of the riveting.

[0025] Embodiment 2: In some embodiments, Figure 1-Figure 7 As shown, as a preferred embodiment of the present invention, the synchronous drive mechanism 3 includes a support frame 31, a motor 32 and a transmission assembly 33. The support frame 31 is fixedly mounted on the machine 1, and the motor 32 is fixedly mounted on the support frame 31. Two sets of transmission assemblies 33 are installed on the machine 1. The power input end of the transmission assembly 33 is fixedly connected to the output shaft of the motor 32, and the power output end of the transmission assembly 33 is connected to the material sorting assembly 41.

[0026] The transmission assembly 33 is configured as a sprocket and chain transmission structure, and both the power output end and the power input end of the transmission assembly 33 are sprockets.

[0027] The material sorting component 41 includes a material sorting box 411, a rotating frame 412, a rotating disk 413 and a conformal groove 414. The material sorting box 411 is fixedly installed on the machine table 1, and the rotating frame 412 is rotatably installed in the material sorting box 411. The power output end of the transmission component 33 is fixedly connected to one end of the connecting shaft, and the other end of the connecting shaft passes through the material sorting box 411 and is fixedly connected to the rotating frame 412. A rotating disk 413 is fixedly installed on the rotating frame 412, and the edge of the rotating disk 413 is uniformly provided with conformal grooves 414 in a circular array at equal intervals; the upper end opening of the material sorting box 411 is located at the bottom of the material storage bin 2; The material sorting assembly 41 further includes a fixed material guide chute frame 415, which is fixedly mounted on the machine platform 1, and the upper end opening of the fixed material guide chute frame 415 is aligned with the lower end opening of the material sorting box 411; a clearance groove is provided at the lower side of the fixed material guide chute frame 415; The feeding assembly 42 comprises a feeding cylinder 421, a moving plate 422, a first plug plate 423, a second plug plate 424 and a material guide assembly. The feeding cylinder 421 is fixedly mounted on the machine 1. The moving plate 422 is fixedly mounted on the output end of the feeding cylinder 421. The first plug plate 423 and the second plug plate 424 are fixedly mounted on the moving plate 422. The first plug plate 423 and the second plug plate 424 are staggered. The vertical distance between the first plug plate 423 and the second plug plate 424 is consistent with the outer diameter of the rivet 7. The first plug plate 423 is plugged into the lower side of the fixed material guide trough frame 415, and the second plug plate 424 is fitted and slid with the bottom of the fixed material guide trough frame 415. The material guide assembly is mounted on the machine 1. The material guide assembly includes a rotating material guide trough frame 425 and a spring 426. The upper end of the rotating material guide trough frame 425 is rotatably mounted on the machine platform 1, and the lower end of the rotating material guide trough frame 425 abuts against the guide assembly 43; the upper end of the spring 426 is fixedly connected to the machine platform 1, and the lower end of the spring 426 is fixedly connected to the rotating material guide trough frame 425; The guide assembly 43 includes a mounting frame 431, a rotating arm 432, a fixed block 433, an arc-shaped groove 434 and a feed trough 435. The mounting frame 431 is fixedly mounted on the machine platform 1. One end of the rotating arm 432 is hinged to the mounting frame 431. A torsion spring is sleeved on the hinge axis of the rotating arm 432 and the mounting frame 431. Two elastic legs of the torsion spring abut against the rotating arm 432 and the mounting frame 431 respectively; the two rotating arms 432 are symmetrically arranged on the mounting frame 431; a fixed block 433 is fixedly mounted on the other end of the rotating arm 432; an arc-shaped groove 434 is provided on the inner side of the fixed block 433, and a feed trough 435 connected to the lower end of the rotating material guide trough frame 425 is provided on the lower side of the fixed block 433; the two arc-shaped grooves 434 constitute a tapered groove with a larger upper part and a smaller lower part; the lower end of the rotating material guide trough frame 425 abuts against the side of the fixed block 433; The riveting mechanism 5 includes a riveting cylinder 51, a moving block 52, a guide rail 53 and a pressure rod 54. The riveting cylinder 51 is fixedly mounted on the upper side of the machine 1, and the guide rail 53 is fixedly mounted on the machine 1. The output end of the riveting cylinder 51 is fixedly mounted with the moving block 52, and the moving block 52 is limitedly slidably connected with the guide rail 53; the lower side of the moving block 52 is symmetrically fixedly mounted with a pressure rod 54; the pressure rod 54 slides in contact with the arc groove 434; The riveting table 6 includes a lower support block 61 , a round table 62 and a round rod 63 . The lower support block 61 is fixedly mounted on the lower side of the machine table 1 . The round table 62 is fixedly mounted on the lower support block 61 . The round table 62 is fixedly mounted on the round rod 63 . The round rod 63 is aligned with the pressure rod 54 .

[0028] In this embodiment, when the synchronous driving mechanism 3, the feeding mechanism 4, the riveting mechanism 5 and the riveting table 6 work normally, a plurality of rivets 7 are placed in the storage bin 2, and the motor 32 drives the rotating frame 412 to rotate through the transmission assembly 33, and the rotation of the rotating frame 412 drives the rotating disk 413 to rotate; the rivets 7 in the storage bin 2 are driven to rotate by the rotating disk 413 after matching with the conformal grooves 414 on the rotating disk 413, until they move to the lower opening of the material sorting box 411, and the rivets 7 in the conformal grooves 414 on the rotating disk 413 that move to the lower opening of the material sorting box 411 fall into the fixed material guide chute frame 415 under the action of gravity, and move downward along the fixed material guide chute frame 415; the rivets 7 at the lower side of the fixed material guide chute frame 415 are blocked by the second plug plate 424; The feeding cylinder 421 drives the moving plate 422 to move, and the moving plate 422 drives the first plug plate 423 and the second plug plate 424 to move synchronously, so that the first plug plate 423 is inserted into the upper side of the uppermost rivet 7, and at the same time, the second plug plate 424 no longer blocks the lowermost rivet 7; the lowermost rivet 7 in the fixed material guide chute frame 415 falls into the rotating material guide chute frame 425, and moves along the rotating material guide chute frame 425 to the feeding chute 435 in the fixed block 433; then the feeding cylinder 421 drives the first plug plate 423 and the second plug plate 424 to reset through the moving plate 422, so that the rivet 7 in the fixed material guide chute frame 415 falls downward, and at this time, the lowermost rivet 7 in the fixed material guide chute frame 415 is blocked by the second plug plate 424; The workpiece is placed on the round table 62, and the round rod 63 is inserted into the riveting hole of the workpiece; the riveting cylinder 51 is started to drive the moving block 52 to move, and the moving block 52 moves vertically downward under the limiting action of the guide rail 53, driving the pressing rod 54 to move vertically downward; the pressing rod 54 moves between the arc grooves 434 on the inner sides of the two fixed blocks 433, thereby pushing the fixed blocks 433, so that the distance between the two fixed blocks 433 becomes larger, so that the rivet 7 falls from between the feed slots 435; the pressing rod 54 presses the feed slot 435 downward, so that the feed slot 435 is inserted into In the riveting hole between the workpieces, the round rod 63 passes through the middle of the rivet 7; until the lower side of the rivet 7 contacts the upper side of the round table 62, at this time, the rivet 7 is further pressed down by the pressure rod 54, so that the lower side of the rivet 7 is compressed and rolled under the action of the pressure rod 54 and the round table 62, and the riveting is completed; in this process, the fixed block 433 moves to drive the rotating arm 432 to move, and the torsion spring between the rotating arm 432 and the mounting frame 431 is twisted; then the riveting cylinder 51 drives the pressure rod 54 to reset through the moving block 52, and the fixed block 433 and the rotating arm 432 are reset; The rotating material guide chute frame 425 is always kept in contact with the fixed block 433 by the spring 426 , so that the material guide chute of the rotating material guide chute frame 425 is always aligned with the feed chute 435 .

[0029] Embodiment 3: In some embodiments, Figure 1-Figure 7 As shown, as a preferred embodiment of the present invention, a method for using a double-station riveting device includes the following steps: Step 1: Place multiple rivets 7 into the storage bin 2, the motor 32 drives the rotating frame 412 to rotate through the transmission assembly 33, and the rotation of the rotating frame 412 drives the rotating disk 413 to rotate; the rivets 7 in the storage bin 2 are matched with the conformal grooves 414 on the rotating disk 413 and are driven to rotate by the rotating disk 413 until they move to the lower opening of the material sorting box 411, and the rivets 7 in the conformal grooves 414 on the rotating disk 413 that move to the lower opening of the material sorting box 411 fall into the fixed material guide chute frame 415 under the action of gravity, and move downward along the fixed material guide chute frame 415; the rivets 7 at the lower side of the fixed material guide chute frame 415 are blocked by the second plug plate 424; Step 2: The feeding cylinder 421 drives the moving plate 422 to move, and the moving plate 422 drives the first plug plate 423 and the second plug plate 424 to move synchronously, so that the first plug plate 423 is inserted into the upper side of the uppermost rivet 7, and at the same time, the second plug plate 424 no longer blocks the lowermost rivet 7; the lowermost rivet 7 in the fixed material guide chute frame 415 falls into the rotating material guide chute frame 425, and moves along the rotating material guide chute frame 425 to the feeding chute 435 in the fixed block 433; then the feeding cylinder 421 drives the first plug plate 423 and the second plug plate 424 to reset through the moving plate 422, so that the rivet 7 in the fixed material guide chute frame 415 falls downward, and at this time, the lowermost rivet 7 of the fixed material guide chute frame 415 is blocked by the second plug plate 424; Step 3: Place two groups of workpieces on two groups of round tables 62, and insert the round rods 63 into the riveting holes of the workpieces; start the riveting cylinder 51 to drive the moving block 52 to move, and the moving block 52 moves vertically downward under the limiting action of the guide rail 53, driving the two pressing rods 54 to move vertically downward; the two pressing rods 54 move between the arc grooves 434 on the inner sides of the two fixed blocks 433 respectively, thereby pushing the fixed blocks 433 to increase the distance between the two fixed blocks 433, so as to facilitate the rivet 7 to fall from between the feed slots 435; the pressing rod 54 presses down the feed slot 435 to make the feed The groove 435 is inserted into the riveting hole between the workpieces, and the round rod 63 passes through the middle of the rivet 7; until the lower side of the rivet 7 contacts the upper side of the round table 62, at this time, the rivet 7 is continued to be pressed down by the pressure rod 54, so that the lower side of the rivet 7 is compressed and rolled under the action of the pressure rod 54 and the round table 62, and the riveting is completed; in this process, the fixed block 433 moves to drive the rotating arm 432 to move, and the torsion spring between the rotating arm 432 and the mounting frame 431 is twisted; then the riveting cylinder 51 drives the pressure rod 54 to reset through the moving block 52, and the fixed block 433 and the rotating arm 432 are reset.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A double-station riveting device, comprising a machine (1), characterized in that: A riveting mechanism (5) is installed in the middle of the upper side of the machine (1), and a riveting table (6) is symmetrically installed in the middle of the lower side of the machine (1); storage bins (2) for accommodating rivets (7) are fixedly installed on the top of both sides of the machine (1), and feeding mechanisms (4) are symmetrically installed on both sides of the machine (1); The feeding mechanism (4) comprises a material sorting component (41), a feeding component (42) and a guide component (43); a material sorting component (41) for sequentially conveying the rivets (7) in the material storage bin (2) downward is fixedly mounted on the upper side of the machine table (1); a guide component (43) is mounted in the middle of the machine table (1) aligned with the riveting table (6); and a feeding component (42) for moving the rivets (7) in the material sorting component (41) into the guide component (43) is mounted on the side of the machine table (1); A synchronous driving mechanism (3) for synchronously driving two sets of material sorting components (41) is installed on the rear side of the machine (1).

2. The double-station riveting equipment according to claim 1, characterized in that: The synchronous drive mechanism (3) comprises a support frame (31), a motor (32) and a transmission assembly (33); the support frame (31) is fixedly mounted on the machine platform (1); the motor (32) is fixedly mounted on the support frame (31); two sets of transmission assemblies (33) are mounted on the machine platform (1); a power input end of the transmission assembly (33) is fixedly connected to an output shaft of the motor (32); and a power output end of the transmission assembly (33) is connected to a material handling assembly (41).

3. The double-station riveting equipment according to claim 2, characterized in that: The material sorting component (41) comprises a material sorting box (411), a rotating frame (412), a rotating disk (413) and a conformal groove (414); the material sorting box (411) is fixedly mounted on the machine platform (1); the rotating frame (412) is rotatably mounted in the material sorting box (411); a power output end of the transmission component (33) is fixedly connected to one end of a connecting shaft; the other end of the connecting shaft passes through the material sorting box (411) and is fixedly connected to the rotating frame (412); a rotating disk (413) is fixedly mounted on the rotating frame (412); and conformal grooves (414) are evenly arranged at equal intervals in a circular array on the edge of the rotating disk (413); an upper opening of the material sorting box (411) is located at the bottom of the material storage bin (2).

4. The double-station riveting equipment according to claim 3, characterized in that: The material sorting component (41) further comprises a fixed material guide chute frame (415), the fixed material guide chute frame (415) being fixedly mounted on the machine platform (1), the upper end opening of the fixed material guide chute frame (415) being aligned with the lower end opening of the material sorting box (411); and a clearance groove is provided on the lower side of the fixed material guide chute frame (415).

5. The double-station riveting equipment according to claim 4, characterized in that: The feeding assembly (42) comprises a feeding cylinder (421), a movable plate (422), a first plug plate (423), a second plug plate (424) and a material guide assembly. The feeding cylinder (421) is fixedly mounted on the machine platform (1). The movable plate (422) is fixedly mounted on the output end of the feeding cylinder (421). The first plug plate (423) and the second plug plate (424) are fixedly mounted on the movable plate (422). The first plug plate (423) and the second plug plate (424) are arranged alternately. The vertical distance between the first plug plate (423) and the second plug plate (424) is consistent with the outer diameter of the rivet (7). The first plug plate (423) is plugged into the lower side of the fixed material guide trough frame (415). The second plug plate (424) is fitted and slidably mounted on the bottom of the fixed material guide trough frame (415). The material guide assembly is mounted on the machine platform (1).

6. The double-station riveting equipment according to claim 5, characterized in that: The material guide assembly comprises a rotating material guide trough frame (425) and a spring (426); the upper end of the rotating material guide trough frame (425) is rotatably mounted on the machine platform (1), and the lower end of the rotating material guide trough frame (425) abuts against the guide assembly (43); the upper end of the spring (426) is fixedly connected to the machine platform (1), and the lower end of the spring (426) is fixedly connected to the rotating material guide trough frame (425).

7. The double-station riveting equipment according to claim 6, characterized in that: The guide assembly (43) comprises a mounting frame (431), a rotating arm (432), a fixing block (433), an arc-shaped groove (434) and a feed groove (435); the mounting frame (431) is fixedly mounted on the machine platform (1); one end of the rotating arm (432) is hinged to the mounting frame (431); a torsion spring is sleeved on the hinge axis between the rotating arm (432) and the mounting frame (431); two elastic legs of the torsion spring are respectively in contact with the rotating arm (432) and the mounting frame (431); The rotating arms (432) are symmetrically arranged on the mounting frame (431); a fixed block (433) is fixedly mounted on the other end of the rotating arm (432); an arc-shaped groove (434) is provided on the inner side of the fixed block (433); a feed groove (435) communicating with the lower end of the rotating material guide groove frame (425) is provided on the lower side of the fixed block (433); the two arc-shaped grooves (434) form a tapered groove with a larger upper portion and a smaller lower portion; the lower end of the rotating material guide groove frame (425) is in contact with the side edge of the fixed block (433).

8. The double-station riveting equipment according to claim 7, characterized in that: The riveting mechanism (5) comprises a riveting cylinder (51), a moving block (52), a guide rail (53) and a pressure rod (54); the riveting cylinder (51) is fixedly mounted on the upper side of the machine platform (1); the guide rail (53) is fixedly mounted on the machine platform (1); the moving block (52) is fixedly mounted on the output end of the riveting cylinder (51); the moving block (52) and the guide rail (53) are limitedly slidably connected; a pressure rod (54) is symmetrically fixedly mounted on the lower side of the moving block (52); and the pressure rod (54) is slidably fitted with the arc groove (434).

9. The double-station riveting equipment according to claim 8, characterized in that: The riveting table (6) comprises a lower support block (61), a round table (62) and a round rod (63); the lower support block (61) is fixedly mounted on the lower side of the machine table (1); the round table (62) is fixedly mounted on the lower support block (61); the round table (62) is fixedly mounted on the round table (62); the round rod (63) is aligned with the pressure rod (54).

10. A method for using a double-station riveting device, using the double-station riveting device according to claim 9, characterized in that: The following steps are involved: Step 1: placing a plurality of rivets (7) into the material storage bin (2), the motor (32) drives the rotating frame (412) to rotate through the transmission assembly (33), and the rotation of the rotating frame (412) drives the rotating disk (413) to rotate; the rivets (7) in the material storage bin (2) are matched with the conformal grooves (414) on the rotating disk (413) and are driven to rotate by the rotating disk (413) until they move to the lower opening of the material sorting box (411); the rivets (7) in the conformal grooves (414) on the rotating disk (413) that move to the lower opening of the material sorting box (411) fall into the fixed material guide chute frame (415) under the action of gravity and move downward along the fixed material guide chute frame (415); the rivets (7) at the bottom of the fixed material guide chute frame (415) are blocked by the second plug plate (424); Step 2: The feeding cylinder (421) drives the moving plate (422) to move, and the moving plate (422) drives the first plug plate (423) and the second plug plate (424) to move synchronously, so that the first plug plate (423) is inserted into the upper side of the uppermost rivet (7), and at the same time, the second plug plate (424) no longer blocks the lowermost rivet (7); the lowermost rivet (7) in the fixed material guide trough frame (415) falls into the rotating material guide trough frame (425), and moves along the rotating material guide trough frame (425) to the feeding trough (435) in the fixed block (433); then the feeding cylinder (421) drives the first plug plate (423) and the second plug plate (424) to reset through the moving plate (422), so that the rivet (7) in the fixed material guide trough frame (415) falls downward, and at this time, the lowermost rivet (7) in the fixed material guide trough frame (415) is blocked by the second plug plate (424); Step 3: Place two groups of workpieces on two groups of round tables (62), and insert the round rods (63) into the riveting holes of the workpieces; start the riveting cylinder (51) to drive the moving block (52) to move, and the moving block (52) moves vertically downward under the limiting action of the guide rail (53), driving the two pressing rods (54) to move vertically downward; the two pressing rods (54) move between the arc grooves (434) on the inner sides of the two fixed blocks (433), respectively, thereby pushing the fixed blocks (433) to increase the distance between the two fixed blocks (433), thereby facilitating the rivet (7) to fall from between the feed slots (435); the pressing rod (54) presses down the feed slot (435), so that the feed slot (435) 35) is inserted into the riveting hole between the workpieces, and the round rod (63) passes through the middle of the rivet (7); until the lower side of the rivet (7) contacts the upper side of the round table (62), at this time, the rivet (7) is further pressed down by the pressure rod (54), so that the lower side of the rivet (7) is compressed and rolled under the action of the pressure rod (54) and the round table (62), and the riveting is completed; in this process, the fixed block (433) moves to drive the rotating arm (432) to move, and the torsion spring between the rotating arm (432) and the mounting frame (431) is twisted; then the riveting cylinder (51) drives the pressure rod (54) to reset through the moving block (52), and the fixed block (433) and the rotating arm (432) are reset.

Images