CN220925498U - Multi-station synchronous feeding device and turnover mechanism thereof - Google Patents

Abstract

The utility model relates to a multi-station synchronous feeding device, and discloses a turnover mechanism in the multi-station synchronous feeding device, which comprises a turnover frame and a support frame, wherein the support frame comprises a base and a support arm detachably arranged on the base, the turnover frame comprises a mounting cover and a turnover arm detachably connected to the mounting cover, the turnover arm is rotatably connected to the support arm, and a turnover arm driving mechanism for driving the turnover arm to rotate relative to the support arm is arranged at the support arm. According to the utility model, the support plate and the turnover arm are detachably connected, so that the positions for installing the support arm and the turnover arm can be selected according to actual needs, and the problem that the turnover arm is uneven in stress and unstable in turnover structure is effectively solved.

Description

Multi-station synchronous feeding device and turnover mechanism thereof

Technical Field

The utility model relates to a multi-station synchronous feeding device, in particular to a turnover mechanism in the multi-station synchronous feeding device.

Background

The multi-station synchronous movement can realize the operation of a plurality of workpieces at one time, can effectively improve the efficiency of the operation of the workpieces, and can be widely applied to various industries.

If can accomplish a plurality of stations synchronous rotation in the current synchronous loading attachment of multistation, in order to realize carrying out the operation of a plurality of faces to the work piece in addition, can also be equipped with tilting mechanism and realize the upset of work piece.

In the existing turnover mechanism, the turnover arms are rotatably connected to the support arms on the turnover support frame, and the positions of the support arms are generally located at two ends of the whole device and cannot be adjusted, so that the positions of the turnover arms cannot be adjusted, and the problems of uneven stress and unstable structure can occur when the distance between the turnover arms is large.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a multi-station synchronous feeding device and a turnover mechanism thereof.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

The utility model provides a tilting mechanism, includes roll-over stand and support frame, and the support frame includes base and detachable support arm of installing on the base, and the roll-over stand includes installation cover and detachable connection turnover arm on the installation cover, and turnover arm pivoted is connected on the support arm and support arm department installs and is used for driving turnover arm pivoted turnover arm actuating mechanism relative to the support arm.

Preferably, a plurality of support arm installation stations are arranged on the base along the length direction of the base, and a plurality of turnover arm installation stations which are arranged corresponding to the support arm installation stations are arranged on the installation cover along the length direction of the installation cover. The setting of a plurality of installation stations can realize shortening the distance between two turning arms and two support arms as required, makes the upset action more stable then.

Preferably, bolt holes are formed in the support arm installation station and the turnover arm installation station, and the turnover arm and the support arm are respectively fixed on the installation cover and the base through bolts. The fixation of the turning arm and the supporting arm is realized in a bolt mode, so that the turning arm and the supporting arm are convenient to disassemble and assemble.

Preferably, the turnover arm driving mechanism comprises a turnover arm driving motor and a harmonic reducer connected with the turnover arm driving motor, the harmonic reducer comprises a wave generator, a flexible wheel and a rigid wheel, the wave generator is arranged in the flexible wheel, the rigid wheel is meshed outside the flexible wheel, a motor shaft and a motor shell of the turnover arm driving motor are respectively connected to the wave generator and the support arm, the flexible wheel is connected with the turnover arm, and the rigid wheel is fixed on the support arm. The setting position of the turning arm driving motor can enable the turning arm to not need to drive the turning arm driving motor to turn over together in the turning process, so that the weight of the turning frame is reduced, and the turning process is more stable.

Preferably, the motor housing of the tilting arm drive motor is connected to the rigid wheel and the support arm via a motor flange.

Preferably, the end part of the flexible gear, which is far away from the wave generator, is connected with a connecting shaft core, the flexible gear is connected to the overturning arm through the connecting shaft core, the end part of the rigid gear, which is far away from the wave generator, is connected with a connecting shaft sleeve, and the connecting shaft sleeve is sleeved outside the connecting shaft core and can rotate in the connecting shaft sleeve. The flexible wheel is connected with the overturning arm through the connecting shaft core, so that torsion deformation of the flexible wheel in the overturning process is avoided.

Preferably, a shaft seal is further arranged between the inner wall of the connecting shaft sleeve, which is far away from the end part of the rigid gear, and the outer wall of the connecting shaft core, which is far away from the end part of the flexible gear. The shaft seal can play a sealing role on the joint between the turning arm and the speed reducer.

Preferably, the number of the supporting arms is two, the turnover arm driving motor is arranged at one supporting arm, a positioning hole is arranged at the other supporting arm, and the positioning core shaft can be penetrated and arranged in the positioning hole. The arrangement of the positioning holes can effectively ensure that the turning axes of the turning arms at the two ends are positioned on the same axis, so that the turning stability is ensured; meanwhile, the positioning holes can be convenient for wiring.

Preferably, the other support arm is further provided with one or more sensor mounting holes, and the plurality of sensor mounting holes are uniformly distributed around the positioning hole. The sensor mounting holes for mounting the sensors are formed in the support arms, the sensor mounting positions are not required to be independently arranged, the structure is compact, and the protection effect on the sensors can be achieved.

A multi-station synchronous feeding device comprises a turnover mechanism.

The utility model has the remarkable technical effects due to the adoption of the technical scheme:

According to the utility model, the support plate and the turnover arm are detachably connected, so that the positions for installing the support arm and the turnover arm can be selected according to actual needs, and the problem that the turnover arm is uneven in stress and unstable in turnover structure is effectively solved.

Drawings

Fig. 1 is a schematic structural diagram of a multi-station synchronous feeding device in an embodiment of the utility model.

Fig. 2 is a schematic view of the rotation mechanism in fig. 1.

Fig. 3 is a schematic view of the rotary assembly of fig. 2.

Fig. 4 is a cross-sectional view of fig. 3.

Fig. 5 is a schematic view of the internal structure of the driving connection pair in fig. 3.

Fig. 6 is a schematic view of the structure of the rotary joint of fig. 3.

Fig. 7 is a schematic view of the tilting mechanism of fig. 1.

Fig. 8 is a schematic view of the connection between the invert arm and the support arm of fig. 7.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Example 1

In this embodiment, a multi-station synchronous feeding device is provided, as shown in fig. 1-8, which comprises a rotating mechanism and a turnover mechanism 7,

The rotating mechanism comprises a plurality of rotating assemblies, a connecting shaft 4 is arranged between every two adjacent rotating assemblies, the connecting shaft 4 is connected with the input shaft 302 through a coupler 305, the rotating mechanism further comprises a rotating table driving mechanism 5 used for driving the input shaft 302 to rotate, the rotating table driving mechanism 5 comprises a rotating table driving motor 501 and a transmission piece 502 connected with any input shaft 302, and the rotating table driving motor 501 drives any input shaft 302 to rotate through the transmission piece 502. The transmission piece 502 in this embodiment may be a conventional transmission piece 502 such as a gear transmission piece 502, a synchronous belt transmission piece 502 or a worm and gear transmission piece, which can realize that the driving motor drives the input shaft 302 to rotate, on one hand, the input shaft 302 drives the worm wheel 304 meshed with the input shaft 302 to rotate, so as to realize the rotation of the current rotary platform 1, and on the other hand, the input shaft 302 at other stations is synchronously driven to rotate by the connecting shaft 4, so as to realize multi-station synchronous motion.

The embodiment further comprises a mounting cover 6, the driving connection pair 3 is mounted in the mounting cover 6, the output shaft 301 extends out of the mounting cover 6, one side of the mounting cover 6 is opened, the opening end of the mounting cover 6 is connected with a sealing cover (not shown in the figure), the mounting cover 6 and the sealing cover jointly form a sealing cavity for sealing all the driving connection pair 3 and the rotary table driving mechanism 5, and the size of the sealing cover in the embodiment is designed according to the positions and the sizes of the driving connection pair 3 and the rotary table driving mechanism 5 and the size of the opening end of the mounting cover 6 so as to realize that the driving connection pair 3 and the rotary table driving mechanism 5 can be covered inside by being matched with the mounting cover 6;

In order to be convenient for the installation of sealed cowling on installation cover 6 in this embodiment, be equipped with L shape connecting piece 601 in the open end edge of installation cover 6, the sealed cowling passes through the bolt fastening on L shape connecting piece 601, and L shape connecting piece 601 still avoids punching in installation cover 6 side simultaneously, directly punches when milling out the sealed cowling mounting groove, and processing is simple, reduces the wall thickness for tilting mechanism 7 is more laborsaving.

In this embodiment, the rotating assembly includes a rotating platform 1, and further includes a workpiece fixture 2 disposed on the rotating platform 1, and further includes a driving connection pair 3, where the driving connection pair 3 is provided with an output shaft 301 for driving the rotating platform 1 to rotate and an input shaft 302 for driving the output shaft 301 to rotate, and one end or two ends of the input shaft 302 extend outwards from the inside of the driving connection pair 3.

The driving connection pair 3 comprises a connection pair shell 303, a worm wheel 304 is arranged in the connection pair shell 303, an output shaft 301 is connected to the worm wheel 304, an input shaft 302 is a worm meshed with the worm wheel 304, one end or two ends of the worm extend out of the driving connection pair 3, and a coupler 305 is arranged at the extending end part; the driving connection pair 3 is provided with a detachable end plate 306 or a sealing plate 307, the middle part of the end plate 306 is provided with an extending hole for extending the input shaft 302, and the sealing plate 307 is arranged at the non-extending end of the input shaft 302.

In this embodiment, two ends of the input shaft 302 on the middle rotating assembly in the rotating mechanism extend outwards from the inside of the driving connection pair 3 and are connected with the corresponding connection shafts 4 through the couplings 305, the outwards-facing ends of the input shaft 302 on the rotating assembly at the end do not extend out, are positioned in the driving connection pair 3 and are sealed by the sealing plates 307, and the ends of the adjacent rotating assemblies, which face the adjacent rotating assemblies, extend out of the driving connection pair 3 through the end plates 306 and are connected with the corresponding connection shafts 4 through the couplings 305.

In this embodiment, the rotation of the rotary platform 1 is realized through worm gear 304 worm transmission, the self-locking performance of the worm gear 304 worm is good, the rotary table driving motor 501 is guaranteed to only drive the station to rotate, otherwise, the station itself does not rotate, after the initial rotation position of the station is adjusted, a certain station cannot rotate, misoperation is avoided, position change is avoided, meanwhile, phase consistency after adjustment of a plurality of stations can be guaranteed, and manual rotation is avoided.

In addition, the input shafts 302 at the plurality of stations are connected with the connecting shaft 4 through the coupler 305, so that the rotary platform 1 at the plurality of stations is driven to rotate without a long shaft, and the length of the coupler 305 and the intermediate shaft of the coupler 305 can be changed through the connection of a plurality of short shafts with required lengths, so that the distance between the stations can be controlled, and the product detection/cleaning requirements of various different sizes can be met; meanwhile, the difficulty in assembly and adjustment is reduced, slipping between the couplings 305 is avoided, relative movement is avoided, and better rotation consistency is obtained.

In addition, in this embodiment, a detachable sealing plate 307 or an end plate 306 is disposed on the side of the driving connection pair 3, specifically, L-shaped mounting grooves 308 for mounting the end plate 306 or the sealing plate 307 are formed on two opposite sides of the connection pair housing 303, and the end plate 306 and the sealing plate 307 are all fixed in the L-shaped mounting grooves 308 by bolts, so that when no station is needed to be added, the shaft end is sealed by the sealing plate 307, when the station is needed to be added, only the input shaft 302 at the end of the rotating mechanism needs to be replaced by long shafts with two ends capable of extending out of the driving connection pair 3, and the sealing plate 307 is replaced by the end plate 306, so that the station can be added by arranging the connecting shaft 4 at the end of the long shafts through the coupler 305.

The rotary platform 1 in this embodiment includes a rotary seat 101, a jig mounting plate 102 is mounted on the rotary seat 101, a workpiece jig 2 is mounted on the jig mounting plate 102, a rotary connecting piece 103 is detachably connected to the rotary seat 101, and the rotary connecting piece 103 is sleeved on an output shaft 301 and can axially move along the output shaft 301.

The rotary connecting piece 103 is annular with an opening formed at one side, a fastening bolt axially perpendicular to the axial direction of the rotary connecting piece 103 is arranged at the opening side of the rotary connecting piece 103, and the rotary connecting piece 103 is sleeved on the output shaft 301 and limited on the output shaft 301 through the fastening bolt. The rotary connector 103 is provided with a bolt hole 105 for connecting with the rotary seat 101 by a bolt, and the bolt hole 105 is provided on an end surface of the rotary connector 103 and is provided opposite to an opening of the rotary connector 103.

In the installation process, the workpiece fixture 2, the fixture mounting plate 102 and the rotating seat 101 are connected with each other, then the rotating seat 101 is connected to the rotating connecting piece 103, the rotating connecting piece 103 is sleeved on the output shaft 301, the specific position of the rotating connecting piece 103 on the output shaft 301 is determined according to the requirement, finally the rotating connecting piece 103 is limited on the output shaft 301 through fastening bolts, and the whole rotating part is detached from the output shaft 301 integrally after the fastening bolts are directly detached in the detachment process.

In the embodiment, the workpiece fixture 2, the fixture mounting plate 102, the rotating seat 101 and the rotating connecting piece 103 are provided with a plurality of mutually communicated air return through holes 106 and air suction through holes 107, and the air return through holes 106 are uniformly arranged on the workpiece fixture 2; the output shaft 301 is provided with an air passage 108 communicating with the air suction through hole 107, and the drive connection pair 3 is provided with an air adapter 309 communicating with the air passage 108.

In the process of sucking the workpiece, the workpiece fixture 2 sucks the gas inwards through the gas channel 108 and the gas suction through hole 107 by the gas adapter 309, so as to realize the suction of the workpiece on the workpiece fixture 2; in the air suction process, air flow is uniformly distributed at a gap between the workpiece jig 2 and the workpiece through the air return through holes 106, and then air flow circulation is realized through suction by air suction.

The turnover mechanism 7 in the embodiment comprises a turnover frame 700 and a support frame 701, wherein the turnover frame 700 comprises a turnover arm 702 detachably arranged on the mounting cover 6, the support frame 701 comprises a base 703 and a support arm 704 detachably arranged on the base 703, the turnover arm 702 is rotatably connected to the support arm 704, and a turnover arm driving mechanism 705 for driving the turnover arm 702 to rotate relative to the support arm 704 is arranged at the support arm 704;

In this embodiment, backup pad and upset arm 702 all can dismantle respectively and connect on base 703 and mounting cup 6, it can select the mounted position according to actual need, for its dismantlement installation of being convenient for still further, be equipped with a plurality of support arm installation stations 708 along base 703 length direction on base 703 in this embodiment, be equipped with a plurality of upset arm installation stations 709 that correspond the setting with support arm installation stations 708 along mounting cup 6 length direction on mounting cup 6, wherein support arm installation stations 708 and upset arm installation stations 709 department all are equipped with bolt hole 105, upset arm 702 and support arm 704 all are fixed respectively on mounting cup 6 and base 703 through the bolt, realize the fixed of upset arm 702 and support arm 704 through the form of bolt promptly, make it can be as shown the installation, also can adjust the position of upset arm 702 and support arm 704, if install at the extreme end of base 703, also can be according to mounting cup 6 and base 703 actual length adjustment position, only need set up at different installation stations correspond the bolt hole 105 can, the dismouting is all comparatively convenient, can realize shortening two upset arms 702 and distance between two support arms 704 as required, make the upset action and then more stable in the whole atress process more stable simultaneously.

In this embodiment, the turning arm driving mechanism 705 includes a turning arm driving motor 710, and a harmonic reducer 711 connected to the turning arm driving motor 710, where the harmonic reducer 711 includes a wave generator 712, a flexible wheel 713, and a rigid wheel 714, the wave generator 712 is disposed in the flexible wheel 713, the rigid wheel 714 is engaged with the flexible wheel 713, the motor shaft and the motor housing of the turning arm driving motor 710 are respectively connected to the wave generator 712 and the support arm 704, the flexible wheel 713 is connected to the turning arm 702, and the rigid wheel 714 is fixed on the support arm 704. Wherein the motor housing of the invert arm drive motor 710 is coupled to the rigid wheel 714 and the support arm 704 via a motor flange 715.

Through fixing the motor housing of the turning arm driving motor 710 on the supporting arm 704, the flexible wheel 713 is connected with the turning arm 702, so that the turning arm 702 does not need to drive the turning arm driving motor 710 to turn together in the turning process, the weight of the turning frame 700 is reduced, and the turning process is more stable.

In this embodiment, a connection shaft core 716 is connected to an end portion, far away from the wave generator 712, of the flexible wheel 713, the flexible wheel 713 is connected to the turning arm 702 through the connection shaft core 716, a connection shaft sleeve 717 is connected to an end portion, far away from the wave generator 712, of the rigid wheel 714, and the connection shaft sleeve 717 is sleeved outside the connection shaft core 716 and the connection shaft core 716 can rotate in the connection shaft sleeve 717. A shaft seal 718 is also arranged between the inner wall of the connecting shaft sleeve 717, which is far away from the end of the rigid wheel 714, and the outer wall of the connecting shaft core 716, which is far away from the end of the flexible wheel 713. The flexible wheel 713 and the turning arm 702 are connected by the connecting shaft core 716, so that the flexible wheel 713 is more stable in transmission.

In this embodiment, two support arms 704 are provided, and a turning arm driving motor 710 is disposed at one support arm 704, and a positioning hole 706 is disposed at the other support arm 704, where the positioning hole 706 can be penetrated by a positioning mandrel; one or more sensor mounting holes 707 are also provided in the other support arm 704, and the plurality of sensor mounting holes 707 are uniformly arranged around the positioning hole 706.

The sensor is installed by arranging the sensor installation holes 707 on the support arm 704, so that the whole structure is more compact, a sensor installation part is not required to be arranged independently, the sensor is arranged in the holes, and the protection effect on the sensor can be achieved.

The positioning holes 706 can realize the positioning function in the assembly process of the two-end supporting arms 704, and the two-end supporting arms 704 are positioned on the same horizontal line by inserting a positioning mandrel in the assembly process, and the motor 710 is driven according to the turnover arms after positioning, so that the turnover axes of the two-end turnover arms 702 are positioned on the same axis, and the turnover stability is ensured; after the assembly is finished, the positioning mandrel is removed and the wire is routed through the positioning hole 706, so that the cable can pass through the positioning hole 706, the wire is convenient to walk, and the cable comprises a rotary table driving motor, a cable connected to a turnover arm driving motor, an air pipe connected with a pneumatic adapter in a rotating mechanism and the like.

It is to be understood that, based on one or several embodiments provided in the present application, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments, which do not exceed the protection scope of the present application.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (10)

1. A turnover mechanism, comprising a turnover frame (700) and a supporting frame (701), characterized in that: the support frame (701) comprises a base (703) and a support arm (704) detachably mounted on the base (703), the turnover frame (700) comprises a mounting cover (6) and a turnover arm (702) detachably connected to the mounting cover (6), the turnover arm (702) is rotatably connected to the support arm (704), and a turnover arm driving mechanism (705) for driving the turnover arm (702) to rotate relative to the support arm (704) is mounted at the support arm (704).

2. A tilting mechanism according to claim 1, wherein: a plurality of support arm installation stations (708) are arranged on the base (703) along the length direction of the base (703), and a plurality of turnover arm installation stations (709) which are arranged corresponding to the support arm installation stations (708) are arranged on the installation cover (6) along the length direction of the installation cover (6).

3. A tilting mechanism according to claim 2, wherein: the support arm installation station (708) and the turnover arm installation station (709) are respectively provided with bolt holes (105), and the turnover arm (702) and the support arm (704) are respectively fixed on the installation cover (6) and the base (703) through bolts.

4. A tilting mechanism according to claim 1, wherein: the turning arm driving mechanism (705) comprises a turning arm driving motor (710), a harmonic reducer (711) connected with the turning arm driving motor (710), the harmonic reducer (711) comprises a wave generator (712), a flexible wheel (713) and a rigid wheel (714), the wave generator (712) is arranged in the flexible wheel (713), the rigid wheel (714) is meshed outside the flexible wheel (713), a motor shaft and a motor housing of the turning arm driving motor (710) are respectively connected to the wave generator (712) and the supporting arm (704), the flexible wheel (713) is connected with the turning arm (702), and the rigid wheel (714) is fixed on the supporting arm (704).

5. A tilting mechanism according to claim 4 and wherein: the motor housing of the swivel arm drive motor (710) is connected to the rigid wheel (714) and the support arm (704) by a motor flange (715).

6. A tilting mechanism according to claim 4 and wherein: the end part of the flexible gear (713) far away from the wave generator (712) is connected with a connecting shaft core (716), the flexible gear (713) is connected to the overturning arm (702) through the connecting shaft core (716), the end part of the rigid gear (714) far away from the wave generator (712) is connected with a connecting shaft sleeve (717), and the connecting shaft sleeve (717) is sleeved outside the connecting shaft core (716) and can rotate in the connecting shaft sleeve (717).

7. A tilting mechanism according to claim 6 and wherein: a shaft seal (718) is further arranged between the inner wall of the connecting shaft sleeve (717) far away from the end part of the rigid wheel (714) and the outer wall of the connecting shaft core (716) far away from the end part of the flexible wheel (713).

8. A tilting mechanism according to claim 1, wherein: the number of the supporting arms (704) is two, the overturning arm driving motor (710) is arranged at one supporting arm (704), the other supporting arm (704) is provided with a positioning hole (706), and the positioning hole (706) can be penetrated with a positioning mandrel.

9. A tilting mechanism according to claim 8 and wherein: one or more sensor mounting holes (707) are also formed in the other support arm (704), and the plurality of sensor mounting holes (707) are uniformly distributed around the positioning holes (706).

10. A multi-station synchronous feeding device, characterized in that it comprises a turnover mechanism according to any one of claims 1-9.