CN213162923U - Sprocket riveting device - Google Patents

Abstract

The utility model discloses a sprocket riveting device relates to chain production facility field, it rotates through the first pivot of a drive assembly drive and second pivot for epaxial first cam of first pivot and the coordinated motion of second cam, make in continuous operation, drive assembly can continuously rotate, do not need to stop/start the switching, improve motor life, this equipment fixing back, wheel riveting mechanism is to the punching press of rivet, the coordinated work's that the removal actuating mechanism drive chain of chain removed state is stable, guarantee the position precision of chain. A third cam and a fifth cam which drive the connecting rod to move are respectively arranged at one end of the first rotating shaft and one end of the second rotating shaft, a gear shaping which is meshed with the chain is arranged at one end of a second pressing plate on the connecting rod, and when the riveting head punches the rivet of the chain, the gear shaping of the second pressing plate is inserted at the position which is meshed with the chain, so that the chain is prevented from jumping when the chain is stressed during punching; the accuracy of the rivet relative to the position of the rivet head can also be ensured.

Description

Sprocket riveting device

Technical Field

The utility model relates to a chain production facility field, in particular to sprocket riveting device.

Background

In the chain wheel processing, after the chain sheet and the rivet are installed together, a chain wheel riveting device is used for riveting two ends of the rivet to prevent the rivet from falling off the chain sheet; and through riveting, the length that every rivet exposes in the chain piece outside is unanimous, guarantees the chain quality.

In the existing chain wheel riveting device, a moving driving mechanism of a chain and a chain wheel riveting mechanism are separately arranged, namely, an independent driving motor is arranged, and in continuous production, when the riveting mechanism punches rivets, the moving driving mechanism of the chain needs to be stopped. Therefore, frequent stop/start switching is required, resulting in easy damage to the motor that moves the drive mechanism. In addition, the motor needs to be accelerated and decelerated during the stop/start switching process, which easily affects the moving precision of the chain.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the present invention is to provide a sprocket riveting device, which aims to solve the problem that the chain of the sprocket riveting device in the prior art needs frequent stop/start switching of the moving driving mechanism, which affects the service life of the motor.

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

a chain wheel riveting device is used for riveting rivets on a chain and comprises a rack, wherein the top surface of the rack is a workbench, a guide groove for limiting the movement of the chain is fixed on the workbench, a riveting head is arranged right above the guide groove, a mounting plate is fixed at the upper end of the riveting head, vertical slide bars A and vertical slide bars B are respectively fixed at two ends of the mounting plate, the lower ends of the slide bars A can slidably penetrate through the workbench, a first cam is abutted against the lower end surface of the slide bars A, a first rotating shaft is fixed at the center of the first cam, two ends of the first rotating shaft are rotatably connected with the rack, and one end of the first rotating shaft is in transmission connection with a driving assembly fixed on the rack; a second cam is fixed between the first cam and the driving assembly on the first rotating shaft, the side face of the second cam is abutted with a swing rod, the lower end of the swing rod is hinged with the rack, the upper end of the swing rod is pivoted with a sliding rod, the sliding rod is in sliding connection with the workbench, a first reset spring is arranged in the middle of the sliding rod, and the other end of the second reset spring is fixed on the workbench; the end of the sliding rod far away from the end connected with the swing rod is provided with a ratchet wheel structure, and the ratchet wheel structure is provided with a gear meshed with the chain.

In the chain wheel riveting device, the ratchet wheel structure comprises a rack fixed on the sliding rod and a ratchet wheel meshed and connected with the gear, the ratchet wheel is rotationally connected on the workbench, and the gear is concentrically fixed on the ratchet wheel.

In the chain wheel riveting device, a first upright post is arranged at the center of the workbench corresponding to the ratchet wheel, the ratchet wheel is rotationally connected with the first upright post, and the gear is fixed on the upper end surface of the ratchet wheel.

In the chain wheel riveting device, a second upright post is fixed on one side, away from the first upright post, of the workbench, a first pressing plate is fixed between the first upright post and the second upright post, and the first pressing plate is arranged above the gear.

Sprocket riveting device in, the guide slot side just corresponds riveting head position and is equipped with the second clamp plate, second clamp plate below is connected with linear guide, and the second clamp plate is connected with the workstation through linear guide, the second clamp plate is being kept away from guide slot one end and is being connected with the connecting rod, first pivot is being fixed with the third cam keeping away from drive assembly one end, the connecting rod lower extreme passes workstation and third cam butt, the workstation corresponds the connecting rod position and is equipped with the slot type hole, be equipped with the second reset spring who sets up along linear guide length direction between connecting rod and the frame.

In the chain wheel riveting device, the side surface of the guide groove is provided with an avoiding groove corresponding to the position of the second pressing plate, and the end surface of one end of the avoiding groove of the second pressing plate is provided with gear shaping engaged with the chain.

The chain wheel riveting device also comprises a second rotating shaft which is rotationally connected with the rack, the second rotating shaft is arranged in parallel with the first rotating shaft, the second rotating shaft is arranged right below the sliding rod B, and a transmission structure is arranged between the first rotating shaft and the second rotating shaft; the second rotating shaft is fixed with a fourth cam which is the same as the first cam, and the second rotating shaft is abutted against the lower end face of the sliding rod B through the fourth cam.

In the chain wheel riveting device, a fifth cam is fixed at one end of the second rotating shaft corresponding to the third cam, and the fifth cam is abutted to the connecting rod.

In the chain wheel riveting device, the sliding rod A and the sliding rod B are both in sliding connection with the workbench through linear nuts.

In the chain wheel riveting device, the transmission structure is a belt transmission connecting structure.

Has the advantages that:

the utility model discloses in, rotate through the first pivot of a drive assembly drive and second pivot, make first cam and the coordinated motion of second cam on the first pivot, and the fourth cam that drives the second in step and changeing rotates, make in continuous operation, drive assembly can continuously rotate, do not need to stop/start the switching, improve motor life, this equipment fixing back, wheel riveting mechanism is to the punching press of rivet, the state stability of the coordinated work that the removal actuating mechanism drive chain of chain removed, guarantee the position precision of chain.

A third cam and a fifth cam are respectively arranged at one end of the first rotating shaft and one end of the second rotating shaft, the third cam and the fifth cam drive the connecting rod to move, a gear shaping meshed with the chain is arranged at one end of a second pressing plate fixed on the connecting rod, and when the riveting head punches the rivet of the chain, the gear shaping of the second pressing plate is inserted at the position meshed with the chain, so that the chain is prevented from jumping when the chain is stressed during punching; the accuracy of the rivet relative to the position of the rivet head can also be ensured.

Drawings

Fig. 1 is a perspective view of the sprocket riveting device provided by the present invention.

Fig. 2 is a perspective view of the chain wheel riveting device provided by the utility model in one direction.

Fig. 3 is a perspective view of the sprocket riveting device provided by the present invention in another direction.

Fig. 4 is a front view of the sprocket riveting device provided by the present invention.

Fig. 5 is a left side view of the sprocket riveting device provided by the present invention.

Fig. 6 is a rear view of the sprocket riveting device provided by the present invention.

Fig. 7 is a top view of the sprocket riveting device provided by the present invention.

FIG. 8 is a schematic view of a ratchet structure.

Description of the main element symbols: 1-a frame, 2-a swing rod, 3-a workbench, 4-a sliding rod, 5-a sliding rod A, 6-a riveting head, 7-a sliding rod B, 8-a mounting plate, 9-a first upright post, 10-a first pressing plate, 11-a second upright post, 12-a guide groove, 13-a second pressing plate, 14-a linear guide rail, 15-a fifth cam, 16-a connecting rod, 17-a third cam, 18-a transmission structure, 19-a first cam, 20-a first rotating shaft, 21-a second cam, 22-a second rotating shaft, 23-a fourth cam, 24-a driving assembly, 25-a gear, 26-a first return spring, 27-a second pin, 28-a first pin, 29-a ratchet structure, 292-a rack, 291-a ratchet, 30-second return spring.

Detailed Description

The utility model provides a sprocket riveting device, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, the utility model provides a sprocket riveting device, a riveting for rivet on the chain, it includes frame 1, the top surface of frame 1 is workstation 3, be fixed with the guide slot 12 that the restriction chain removed on the workstation 3, be equipped with riveting head 6 directly over the guide slot 12, riveting head 6 upper end is fixed with mounting panel 8, mounting panel 8 both ends are fixed with vertical slide bar A5 and slide bar B7 respectively, slide bar A5 lower extreme slidable passes workstation 3, and slide bar A5's lower terminal surface has abutted first cam 19, first cam 19's center is fixed with first pivot 20, first pivot 20 both ends are rotated with frame 1 and are connected, and wherein one end transmission is connected with the drive assembly 24 of fixing on frame 1. The drive assembly 24 may be a motor, a combination of motor and transmission structures.

Referring to fig. 1, 2 and 5, the slide bar a5 and the slide bar B7 are both connected with the workbench 3 by linear nuts in a sliding manner, and the lower end face of the slide bar a5 abuts against the first cam 19. Therefore, the first rotating shaft 20 is rotated by the driving assembly 24, so that the first cam 19 is rotated, the position of the lower end surface of the slide bar a5 in abutment with the cam is changed, and the lifting of the slide bar a5 and the slide bar B7 is realized under the action of gravity. Because the riveting head 6 is fixed on the mounting plate 8 on the slide bar A5 and the slide bar B7 which are fixed on the mounting plate 8, when the slide bar A5 and the slide bar B7 are lifted, the riveting head 6 punches the chain rivet.

Referring to fig. 1, 2 and 6, a second cam 21 is fixed on the first rotating shaft 20 between the first cam 19 and the driving assembly 24, a swing rod 2 is abutted to the side surface of the second cam 21, the lower end of the swing rod 2 is hinged to the frame 1, the upper end of the swing rod 2 is pivoted with a sliding rod 4, the sliding rod 4 is slidably connected with the workbench 3, a first return spring 26 is arranged in the middle of the sliding rod 4, and the other end of a second return spring 30 is fixed on the workbench 3; the end of the sliding rod 4 far away from the end connected with the swing rod 2 is provided with a ratchet structure 29, and the ratchet structure 29 is provided with a gear 25 meshed with the chain.

Specifically, because the lower extreme of pendulum rod 2 is articulated with frame 1, slide bar 4 is connected in the upper end of pendulum rod 2, and the middle part of pendulum rod 2 and the circumferential surface butt of second cam 21, therefore, when drive assembly 24 drove first pivot 20 and rotates, second cam 21 is also following the rotation, drive pendulum rod 2 swing, and slide bar 4 transversely sets up, drive ratchet structure 29 rotates, because be equipped with on the ratchet structure 29 with the gear 25 of chain meshing, consequently, can drive the chain and remove, because ratchet structure 29 can only unidirectional rotation, consequently, the chain can only move to the place ahead of conveying. The first return spring 26 is used to provide a force to the swing link 2 moving toward the second cam 21, so that the swing link 2 is always attached to the second cam 21, and the reciprocating motion of the sliding rod 4 is further realized.

Referring to fig. 7, in particular, the sliding rod 4 is preferably a linear sliding rail structure, that is, the sliding rod 4 is a sliding rail, the sliding block is fixed on the working platform 3, a first pin 28 is fixed on the working platform 3, a second pin 27 is fixed at the middle of the sliding rod 4, and two ends of the first return spring 26 are respectively buckled on the first pin 28 and the second pin 27.

In the above, the positions of the cam surfaces of the first cam 19 and the second cam 21 relative to the first rotating shaft 20 are set, so that the oscillating bar 2 is in a reset motion state when the riveting head 6 punches the rivet; on the contrary, when the swing rod 2 drives the ratchet structure 29 to drive the chain to move, the riveting head 6 is in the lifting position. Therefore, the chain wheel riveting mechanism of the chain wheel riveting device presses rivets, and the chain moving driving mechanism drives the chain to move to achieve a coordinated working state. In other words, in continuous operation, the driving assembly 24 can continuously rotate without stopping/starting switching, the service life of the motor is prolonged, and after the device is installed, the state of coordinated operation of the wheel riveting mechanism for punching rivets and the chain movement driving mechanism for driving the chain to move is stable, so that the position accuracy of the chain is ensured.

Referring to fig. 8, in a preferred embodiment, the ratchet structure 29 includes a rack 292 fixed on the sliding rod 4, a ratchet 291 engaged with the gear 25, the ratchet 291 is rotatably connected to the table 3, and the gear 25 is concentrically fixed on the ratchet 291. The ratchet wheel 291 is based on the principle of a bicycle flywheel, the rack 292 is fixed on the side surface of the sliding rod 4 and is in meshed transmission with teeth on the outer surface of the ratchet wheel 291, the gear 25 is fixed on the ratchet wheel 291, so that the gear 25 only rotates in one direction, and when the swing rod 2 is reset, the gear 25 does not rotate, that is, the riveting head 6 is in the process of punching rivets. In practice, the gear 25 is arranged to cooperate with the guide channel 12 such that the gear 25 can engage with a chain placed inside the guide channel 12.

Referring to fig. 1 and 7, in a preferred embodiment, the workbench 3 is provided with a first upright 9 corresponding to the center of the ratchet 291, the ratchet 291 is rotatably connected to the first upright 9, and the gear 25 is fixed on the upper end surface of the ratchet 291, so as to rotatably connect the ratchet 291 and the workbench 3. A second upright post 11 is fixed on one side of the guide groove 12 of the workbench 3 far away from the first upright post 9, a first pressing plate 10 is fixed between the first upright post 9 and the second upright post 11, and the first pressing plate 10 is arranged above the gear 25. The first presser plate 10 serves to prevent the chain from jumping out of the guide groove 12, i.e. to ensure that the gear 25 is in engagement with the chain.

Referring to fig. 1, 2 and 5, in a further preferred embodiment, a second pressing plate 13 is arranged on the side surface of the guide groove 12 corresponding to the riveting head 6, an avoiding groove is arranged on the side surface of the guide groove 12 corresponding to the second pressing plate 13, and the second pressing plate 13 is provided with a gear shaping engaged with the chain on the end surface of one end of the avoiding groove. Second clamp plate 13 below is connected with linear guide 14, and second clamp plate 13 is connected with workstation 3 through linear guide 14, second clamp plate 13 is being kept away from guide slot 12 one end and is being connected with connecting rod 16, first pivot 20 is being kept away from drive assembly 24 one end and is being fixed with third cam 17, workstation 3 and third cam 17 butt are passed to connecting rod 16 lower extreme, workstation 3 corresponds connecting rod 16 position and is equipped with the slot type hole, be equipped with the second reset spring 30 that sets up along linear guide 14 length direction between connecting rod 16 and the frame 1. The third cam 17 is in an end face cam structure, that is, the connecting rod 16 abuts against an end face of the third cam 17, when the third cam 17 rotates, the connecting rod 16 is pushed to move along a direction defined by the linear guide rail 14, and the second return spring 30 is used for pulling the connecting rod 16, so that the connecting rod 16 is always kept attached to the third cam 17.

In this embodiment, since the chain needs to move in the guide slot 12, there is usually a slight gap between the guide slot 12 and the chain, so that the chain can move, and when the rivet of the chain is punched by the riveting head 6, the gear shaping of the second pressing plate 13 is inserted into the position meshed with the chain, so as to prevent the chain from jumping when the chain is pressed; the accuracy of the position of the rivet relative to the riveting head 6 can also be ensured. In the rising process of the riveting head 6, the gear shaping is synchronously moved out of the meshing position of the chain, so that the gear shaping does not influence the movement of the chain.

Referring to fig. 3, in a further preferred embodiment, the sprocket riveting device further includes a second rotating shaft 22 rotatably connected to the frame 1, the second rotating shaft 22 is parallel to the first rotating shaft 20, the second rotating shaft 22 is disposed right below the sliding bar B7, and a transmission structure 18 is disposed between the first rotating shaft 20 and the second rotating shaft 22; the second rotating shaft 22 is fixed with a fourth cam 23 similar to the first cam 19, and the second rotating shaft 22 is in contact with the lower end surface of the slide bar B7 via the fourth cam 23. The connection and position states of the fourth cam 23 and the sliding bar B7 are the same as those of the first cam 19 and the sliding bar a5, and are not described herein again.

The second rotating shaft 22 and the fourth cam 23 are arranged, so that the riveting head 6 can perform lifting action under the driving of the first cam 19 and the fourth cam 23 simultaneously and synchronously, and the sliding rod A5 and the sliding rod B7 both have supporting points, so that the riveting head 6 can be more balanced and stable when performing the lifting action.

Referring to fig. 3 and 4, similarly, the second rotating shaft 22 is also provided with a fifth cam 15 corresponding to the third cam 17 at one end corresponding to the third cam 17, and the connecting rod 16 abuts against the third cam 17 and the fifth cam 15 at the same time, so that the connecting rod 16 is more stable during movement.

Preferably, the transmission connection is a belt transmission connection, although a chain transmission or a gear 25 transmission may be used.

The utility model discloses in, rotate through a drive assembly 24 drive first pivot 20 and second pivot 22, make first cam 19 and second cam 21 coordinated motion on the first pivot 20, and drive fourth cam 23 rotation on the second pivot 22 in step, make in continuous operation, drive assembly 24 can continuously rotate, do not need to stop/start the switching, improve motor life, this equipment fixing back, wheel riveting mechanism is to the punching press of rivet, the coordinated work's that the removal actuating mechanism drive chain of chain removed state is stable, guarantee the position precision of chain.

Moreover, one end of each of the first rotating shaft 20 and the second rotating shaft 22 is provided with a third cam 17 and a fifth cam 15, the third cam 17 and the fifth cam 15 drive the connecting rod 16 to move, one end of a second pressing plate 13 fixed on the connecting rod 16 is provided with a gear shaping meshed with the chain, and when the riveting head 6 punches the rivet of the chain, the gear shaping of the second pressing plate 13 is inserted at the position meshed with the chain, so that the chain is prevented from jumping when the rivet of the chain is punched and stressed; the accuracy of the position of the rivet relative to the riveting head 6 can also be ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims (9)

1. A chain wheel riveting device is used for riveting rivets on a chain and comprises a rack, wherein the top surface of the rack is a workbench, and the chain wheel riveting device is characterized in that a guide groove for limiting the movement of the chain is fixed on the workbench, a riveting head is arranged right above the guide groove, an installation plate is fixed at the upper end of the riveting head, a vertical slide bar A and a vertical slide bar B are respectively fixed at two ends of the installation plate, the lower end of the slide bar A can slidably penetrate through the workbench, a first cam is abutted against the lower end surface of the slide bar A, a first rotating shaft is fixed at the center of the first cam, two ends of the first rotating shaft are rotatably connected with the rack, and one end of the first rotating shaft is in transmission connection; a second cam is fixed between the first cam and the driving assembly on the first rotating shaft, the side face of the second cam is abutted with a swing rod, the lower end of the swing rod is hinged with the rack, the upper end of the swing rod is pivoted with a sliding rod, the sliding rod is in sliding connection with the workbench, a first reset spring is arranged in the middle of the sliding rod, and the other end of the second reset spring is fixed on the workbench; the end of the sliding rod far away from the end connected with the swing rod is provided with a ratchet wheel structure, and the ratchet wheel structure is provided with a gear meshed with the chain.

2. The sprocket riveting apparatus according to claim 1, wherein the ratchet structure comprises a rack fixed to the sliding bar, a ratchet wheel engaged with the gear, the ratchet wheel rotatably connected to the table, and the gear concentrically fixed to the ratchet wheel.

3. The sprocket riveting and pressing device as claimed in claim 2, wherein the workbench is provided with a first upright post corresponding to the center of the ratchet wheel, the ratchet wheel is rotatably connected with the first upright post, and the gear is fixed on the upper end surface of the ratchet wheel.

4. The sprocket riveting and pressing device according to claim 3, wherein the workbench is fixed with a second upright column at one side of the guide groove far away from the first upright column, a first pressing plate is fixed between the first upright column and the second upright column, and the first pressing plate is arranged above the gear.

5. The sprocket riveting device according to claim 1, wherein a second pressing plate is arranged on the side surface of the guide groove and corresponding to the position of the riveting head, a linear guide rail is connected below the second pressing plate, the second pressing plate is connected with the workbench through the linear guide rail, a connecting rod is connected to one end of the second pressing plate far away from the guide groove, a third cam is fixed to one end of the first rotating shaft far away from the driving assembly, the lower end of the connecting rod penetrates through the workbench to abut against the third cam, a groove-shaped hole is formed in the position of the workbench corresponding to the connecting rod, and a second return spring arranged along the length direction of the linear guide rail is arranged between the connecting rod and the rack.

6. The sprocket riveting device according to claim 5, wherein the side surface of the guide groove is provided with an avoiding groove corresponding to the position of the second pressing plate, and the second pressing plate is provided with a gear shaping engaged with the chain at the end surface of one end of the avoiding groove.

7. The sprocket riveting device according to claim 6, further comprising a second rotating shaft rotatably connected to the frame, wherein the second rotating shaft is arranged in parallel with the first rotating shaft, the second rotating shaft is disposed right below the sliding rod B, and a transmission structure is disposed between the first rotating shaft and the second rotating shaft; the second rotating shaft is fixed with a fourth cam which is the same as the first cam, and the second rotating shaft is abutted against the lower end face of the sliding rod B through the fourth cam.

8. The sprocket riveting and pressing device according to claim 7, wherein a fifth cam is fixed to the second rotating shaft at one end corresponding to the third cam, and the fifth cam abuts against the connecting rod.

9. The sprocket riveting device of claim 1, wherein the slide bar A and the slide bar B are both connected with the workbench by a linear nut in a sliding manner.

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