CN209997888U

CN209997888U - kinds of chain

Info

Publication number: CN209997888U
Application number: CN201920553356.6U
Authority: CN
Inventors: 万阳; 于建新; 杨学文; 王露; 杨涵; 樊霄; 陆勇; 邹文峰; 张旭; 魏雪
Original assignee: Anhui Hualing Automobile Co Ltd
Current assignee: Anhui Hanma Engine Co ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-31
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses an long-pending chain of putting, including supporting rail, driving chain and multiunit by the unit conveyor components that the supporting rail supported, each group unit conveyor components all is provided with under the locking state can the lock solid be in locking device on the driving chain to be provided with and separate the tapered end, to last group when being used for the interval not more than the predetermined distance unit conveyor components locking device promotes to open, still includes reserve head, thrust unit and is used for the drive reserve head business turn over unblock path's unblock drive arrangement, thrust unit can drive the entering behind the unblock path reserve head is followed driving chain reverse movement and can promoting locking device unblock and can continue the drive reserve head is in order to drive unit conveyor components follows driving chain reverse movement, this long-pending chain of putting can be solved effectively and is carried the inconvenient problem of stopping to repair in the piece transportation process.

Description

kinds of chain

Technical Field

The utility model relates to a production facility technical field, more specifically say, relate to kinds of long-pending chains of putting.

Background

An engine on the existing coating production line is transferred among processes through a power and free chain, products are hung by a lifting appliance and then move forwards along with the fast and slow chains of the power and free chain during production, workpieces are controlled to stop through a stopper among the processes, the stopper is manually controlled to release the workpieces after the operation of the processes is completed, after release, if special conditions such as operation errors and omission of the processes are found, processes have great quality risks and need to be reworked for treatment, but the workpieces cannot be stopped or cannot be moved after the workpieces are stopped by using a pry bar due to higher positions of the power and free chains of part of the processes, and how to stop and move the workpieces at any position without influencing the production rhythm of the production line is a problem which needs to be solved urgently.

In summary, how to effectively solve the problem of inconvenience in stopping repair of the conveyed object in the conveying process is a problem that needs to be solved urgently by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing kinds of long-pending chains of putting, this long-pending chain of putting can solve effectively and is stopped repairing inconvenient problem in being carried the piece transportation process.

In order to achieve the above object, the utility model provides a following technical scheme:

accumulating and releasing chain comprises a supporting rail, a driving chain and a plurality of groups of unit conveying assemblies supported by the supporting rail, wherein each group of unit conveying assemblies is provided with a locking device capable of being locked on the driving chain in a locking state, an unlocking head is arranged for pushing the locking device of the upper groups of unit conveying assemblies to be unlocked when the distance between the units is not more than the preset distance, the accumulating and releasing chain further comprises a standby head, a pushing device and an unlocking driving device for driving the standby head to enter and exit an unlocking path, the pushing device can drive the standby head entering the unlocking path to move reversely along the driving chain, can push the locking device to unlock and can continuously drive the standby head to drive the unit conveying assemblies to move reversely along the driving chain.

In the stacking chain, when in use, the stacking chain is installed on a production line and is used for driving conveyed pieces on each group of unit conveying assemblies to sequentially pass through each tool position, an unlocking device is arranged on each tool position to unlock a locking device on the unit conveying assembly entering the tool position so as to stop the unit conveying assembly for operation, when a subsequent unit conveying assembly approaches, an unlocking head on the unit conveying assembly unlocks the locking device on the subsequent unit conveying assembly so as to force the subsequent unit conveying assembly to wait for entering the tool position for processing, when the processing of the current unit conveying assembly is completed, the locking device unlocks the driving chain again through the unlocking head so as to drive the driving chain to enter lower tool positions, when an accident happens, the unit conveying assembly between two tool positions needs to be stopped, at the moment, a pushing device and an unlocking driving device start working, so that a standby head entering an unlocking path can reach the unit conveying assembly position, then the standby conveying assembly is pushed by the pushing device continuously so as to enable the standby conveying assembly to move upwards along a reverse conveying path, and the standby conveying assembly is pushed by the pushing device to move backwards so as to effectively solve the problem that the standby conveying assembly cannot be pushed by pushing device and the locking device to push the standby head to move backwards to push the working unit conveying assembly backwards.

Preferably, the unlocking driving device comprises a sliding rail and an unlocking driving assembly, the standby head is in sliding fit with the sliding rail, and the unlocking driving assembly can drive the sliding rail to rotate so as to drive the standby head to rotate, so that the standby head can enter and exit the unlocking path.

Preferably, the cross section of the sliding rail is rectangular, and the handle part of the spare head is provided with a square hole matched with the outer contour of the sliding rail.

Preferably, the unlocking driving assembly comprises an unlocking motor and a worm gear transmission mechanism connected between the slide rail and the unlocking motor.

Preferably, the pushing device comprises a ring-shaped member which is opened through two mounting wheels and a pushing assembly which drives the ring-shaped member to move circularly along the extending direction of the ring-shaped member, and the spare head is connected with the ring-shaped member so as to be driven by the ring-shaped member to move along the driving chain in the opposite direction.

Preferably, the pushing assembly includes a pushing motor, a driving wheel driven by the pushing motor, and a pressing wheel for pressing the ring-shaped member against the driving wheel.

Preferably, a tension adjustment mechanism is included to adjust the degree of tension in the ring by adjusting the position of of the mounting wheels relative to the other of the mounting wheels.

Preferably, the tensioning adjusting mechanism comprises a fixed block relatively fixed with rotating shafts of mounting wheels, a sliding block in sliding fit with the fixed block along a tensioning direction, and an adjusting nut in threaded connection with the sliding block and abutting against the fixed block at the end, end of the sliding block is in rotating connection with another mounting wheels, another end is transversely separated into at least two sliding bodies to be respectively in sliding connection with the fixed block, the end is provided with a cross arm with two transverse ends respectively connected with the corresponding sliding bodies, and the adjusting nut is in threaded connection with the transverse middle of the cross arm and abuts against the fixed block at the tail end.

Preferably, the endless members are each disposed along the drive chain along the drive path of the chain as a whole.

Preferably, along the driving direction of the driving chain, the locking device is located at the front end of the unit conveying assembly, the unlocking head is located at the rear end of the unit conveying assembly, the locking device comprises a clamping assembly and a pushing arm capable of pushing the clamping assembly to open in an upward rotating mode, and the unlocking head is provided with an inclined pushing face capable of pushing the pushing arm to rotate upwards when moving reversely along the driving direction of the driving chain relative to the pushing arm.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic front view of a power and free chain according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a power and free chain provided in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a standby unlocking device provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an unlocking driving assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of an installation structure of a spare head according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a pushing assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a tension adjusting mechanism according to an embodiment of the present invention.

The drawings are numbered as follows:

the device comprises a support rail 1, a driving chain 2, a unit conveying assembly 3, a locking device 4, an unlocking head 5, a standby head 6, a sliding rail 7, an unlocking driving assembly 8, a ring-shaped member 9, a mounting wheel 10, a pushing assembly 11, a tensioning adjusting mechanism 12, a bottom plate 13, a pushing motor 111, a driving wheel 112, a pressing wheel 113, a fixed block 121, a sliding block 122 and an adjusting nut 123.

Detailed Description

The embodiment of the utility model discloses kinds of long-pending chains of putting to solve effectively and stopped repairing inconvenient problem in being carried a transportation process.

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.

Referring to fig. 1-7, fig. 1 is a schematic front view of a power and free chain according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a power and free chain provided in the embodiment of the present invention; fig. 3 is a schematic structural diagram of a standby unlocking device provided in an embodiment of the present invention; fig. 4 is a schematic structural diagram of an unlocking driving assembly according to an embodiment of the present invention; fig. 5 is a schematic view of an installation structure of a spare head according to an embodiment of the present invention; fig. 6 is a schematic structural diagram of a pushing assembly according to an embodiment of the present invention; fig. 7 is a schematic structural diagram of a tension adjusting mechanism according to an embodiment of the present invention.

In the specific embodiments, the present embodiment provides stacking chains, which include support rails 1, drive chains 2, unit conveyor assemblies 3, and spare unlocking devices, specifically, multiple sets of unit conveyor assemblies 3.

The unit conveying assemblies 3 are lifting tools for fixing and supporting the conveyed member, and how the unit conveying assemblies 3 fix and support the conveyed member can be set according to the requirement, such as a hook can be set, multiple sets of unit conveying assemblies 3 are sequentially arranged and arranged on the driving chain 2, and are driven by the driving chain 2 to move along the driving direction of the driving chain, so as to drive the conveyed member to move, and the supporting rail 1 supports the unit conveying assemblies 3, and the driving chain 2 is only used for driving the unit conveying assemblies 3 to move, wherein for the convenience of moving the unit conveying assemblies 3 on the supporting rail 1, is provided with rollers on the unit conveying assemblies 3, so as to roll on the supporting rail 1.

Each group of unit conveying assemblies 3 is provided with a locking device 4, and the locking devices 4 can be locked on the driving chain 2 in a locking state, so that the driving chain 2 can transmit driving force to the unit conveying assemblies 3 to drive the unit conveying assemblies 3 to move. When the locking device 4 of a certain group of unit conveying assemblies 3 is in the unlocked state, the drive chain 2 no longer transmits the driving force to the group of unit conveying assemblies 3, and the operation of the drive chain continues. How the locking device 4 is locked and unlocked with the drive chain 2, it is possible to provide the locking device 4 with a retractable latch to be able to be inserted into the drive chain 2 from perpendicular to the driving direction of the drive chain 2 in the extended state and to be able to be disengaged from the drive chain 2 in the retracted state. The locking device 4 can also be a clamping device, and in a clamping state, namely a locking state, the locking device can be clamped on the driving chain 2 to transfer force with the driving chain 2, and in an unlocking state, namely an unlocking state, the driving chain 2 does not transfer the driving force to the unit conveying assembly 3 any more.

Meanwhile, the unit conveying assemblies 3 are also provided with unlocking heads 5 for pushing the locking devices 4 of the upper sets of unit conveying assemblies 3 to be unlocked when the unit conveying assemblies are close to each other so as to prevent the upper sets of unit conveying assemblies 3 from being continuously driven by the driving chain 2 to advance, so that each conveyed piece can only be sequentially driven to a target place, wherein when the upper sets of unit conveying assemblies 3 are close to each other, namely, the distance between the upper sets of unit conveying assemblies 3 and the sets of unit conveying assemblies 3 is not more than a preset distance, and a specific preset distance can be set according to actual needs, so that the movement of the current unit conveying assemblies 3 is not interfered, and the direction in which the upper sets of unit conveying assemblies 3 point to the lower sets of unit conveying assemblies 3 is the moving direction of the driving chain 2.

The spare unlocking device mainly comprises a spare head 6, an unlocking driving device and a pushing device, wherein the spare head 6 can push the locking device 4 to be unlocked when moving to the position , and the main working component, namely a part directly acting on the locking device 4, of the spare unlocking device is the same as the main working component of the unlocking head 5.

The driving direction of the pushing device may be the driving direction which can drive the spare head 6 to move only along the reverse direction of the driving chain 2, namely the driving direction is the reverse direction, or the driving direction which can drive the spare head 6 to move along the forward direction, namely the driving direction, of the driving chain 2, or the driving direction which can drive the spare head 6 to move along the reverse direction of the driving chain 2, or the pushing device may adopt a structure of a telescopic cylinder or an electric cylinder, or the like, and correspondingly, after the pushing device pushes the current locking device 4 to be unlocked, the pushing device should be capable of pushing the spare head 6 to move along the driving chain 2 in the reverse direction to push the unit conveying assembly 3 to move along the driving chain 2 in the reverse direction, so as to push the conveyed piece of the unit conveying assembly 3 to stations for operations such as maintenance.

The unlocking driving device is used for driving the standby head 6 to enter and exit the unlocking path, namely, when the standby head 6 needs to be unlocked, the standby head 6 is driven to enter the unlocking path, and when the standby head 6 does not need to be unlocked, the standby head 6 is driven to be separated from the unlocking path, so that the standby head 6 separated from the unlocking path does not interfere with the movement of the unit conveying assembly 3, and the unit conveying assembly 3 is convenient to move and convey.

In the stacking chain, when in use, the stacking chain is installed on a production line and is used for driving conveyed pieces on each set of unit conveying assemblies 3 to sequentially pass through each tooling position, an unlocking device is arranged on each tooling position to unlock a locking device 4 on a unit conveying assembly 3 entering the tooling position so as to stop the unit conveying assembly 3 for operation, when a subsequent unit conveying assembly 3 approaches, an unlocking head 5 on the unit conveying assembly 3 unlocks the locking device 4 on the subsequent unit conveying assembly 3 so as to force the subsequent unit conveying assembly 3 to wait to enter the tooling position for processing, when the current unit conveying assembly 3 finishes processing, the unlocking head 5 unlocks the locking position, the locking device locks the driving chain 2 again through the unlocking head 5 so as to drive the driving chain 2 to enter lower tooling positions, when an accident happens, the unit conveying assembly 3 between two tooling positions needs to be stopped, at the moment, the pushing device starts to work so as to enable a standby conveying assembly 6 entering the unlocking unit conveying assembly to enter the unlocking position to be driven to enter the lower tooling position, and the standby conveying assembly 3 is pushed to move reversely to push the standby conveying head 6 to move along the reverse direction, and then the standby conveying assembly 3 is pushed to move to the target conveying assembly 3 reversely.

As mentioned above, the driving form of the unlocking driving device is various, for driving convenience, generally drives the spare head 6 to rotate to drive the spare head 6 to enter and exit the unlocking path, at the moment, the head of the spare head 6 is a main working component, and the handle is in transmission with the unlocking driving device to drive the head to rotate in a large range, so as to realize entering and exiting the unlocking path, wherein the unlocking driving device can be superposed on the pushing end of the pushing device, namely, the unlocking driving device is installed between the pushing end of the pushing device and the spare head 6 to directly drive the spare head 6 to rotate, the driving form can increase the burden of the pushing device and is not beneficial to maintenance, based on the above, the unlocking driving device preferably comprises a slide rail 7 and an unlocking driving assembly 8, wherein the spare head 6 is in sliding fit with the slide rail 7, the spare head 6 can be ensured to stably move through the limit of the slide rail 7, and the spare head 6 can be effectively supported, in addition, the unlocking driving assembly 8 drives the slide rail 7 to rotate to drive the spare head 6 to rotate, so as to realize entering and exiting the unlocking path, namely, the slide rail 7 integrally rotates, through the slide rail 7 and the spare head 6 is in a sliding connection mode, wherein the slide rail 7 can be a rectangular slide rail 7, the slide rail 7 can be matched with a transmission mechanism with a worm wheel 7, and a transmission mechanism with a worm wheel 7 with a larger cross section, and a transmission mechanism, wherein the handle can be conveniently connected with a worm wheel 7.

, it is preferable that the pushing device comprises an annular member 9 which is opened by two mounting wheels 10 and a pushing assembly 11 which drives the annular member 9 to move annularly along its extending direction, the spare head 6 is connected with the annular member 9 to be driven by the annular member 9 to move in the opposite direction of the driving chain 2, wherein the annular member 9 can be a steel wire rope or the like, and the two mounting wheels 10 are used for opening the annular member 9 so that the annular member 9 can only move annularly along its extending direction to achieve the effect of driving circularly, wherein the pushing assembly 11 is used for driving the annular member 9 to move annularly along its extending direction, i.e. power the annular member 9, wherein the pushing assembly 11 can directly push the mounting wheels 10 to rotate, and the mounting wheels 10 drive the annular member 9 to rotate.

For better driving, it is preferable here that the pushing assembly 11 comprises a pushing motor 111, a driving wheel 112 driven by the pushing motor 111, and a pressing wheel 113 for pressing the ring-shaped element 9 on the driving wheel 112, so that the ring-shaped element 9 is attached to the driving wheel 112 by the pressing of the pressing wheel 113, so as to effectively ensure that the driving wheel 112 rotates to drive the ring-shaped element 9 to rotate. For ease of maintenance and installation, the pusher assembly 11 is preferably mounted at an intermediate position between the two mounting wheels 10.

Considering that the ring 9 is subjected to a long-term stress, there is plastic deformation which easily causes the cable to be detached from the mounting wheels 10, on the basis of which a tension adjusting mechanism 12 is preferably provided, specifically, the tension adjusting mechanism 12 can adjust the tension degree of the ring 9 by adjusting the positions of mounting wheels 10 relative to another mounting wheels 10. specifically, the tension adjusting mechanism 12 includes a fixed block 121 fixed relative to the rotating shaft of mounting wheels 10, a sliding block 122 slidably fitted with the fixed block 121 in the tension direction, and an adjusting nut 123 screwed with the sliding block 122 and having an end abutting against the fixed block 121, the end of the sliding block 122 is rotatably connected with another mounting wheels 10, the other end is transversely separated into at least two sliding bodies to be respectively slidably connected with the fixed block 121, is just separated into two sliding bodies, and the end of the sliding block is provided with a cross arm 63123 having two ends respectively connected with corresponding sliding bodies, the adjusting nut 123 is screwed with the middle of the cross arm and abutting against the fixed block 121, so as to push the sliding block 122 to be mounted on the mounting wheels 122 to move outwards when the sliding block is rotated, thus the mounting wheels are rotated to .

Specifically, for better setting of the standby unlocking device, it is preferable that the standby unlocking device includes a bottom plate 13 fixed opposite to the support rail 1, of the two installation wheels 10 are fixed installation wheels rotatably installed on the bottom plate 13, the other are tensioning installation wheels indirectly connected with the bottom plate 13 through a tensioning adjustment mechanism 12, the fixed installation wheels and the tensioning installation wheels support the ring-shaped member 9 to be in a long strip shape, wherein two ends of the sliding rail 7 are respectively connected with the bottom plate 13 through a suspension arm, two ends of the sliding rail 7 are respectively rotatably connected with the suspension arm so that the sliding rail 7 can rotate around a longitudinal center line thereof, the unlocking driving assembly 8 and the fixed installation wheels 10 are installed at the same end of the bottom plate 13, in the tensioning adjustment mechanism 12, the end of the sliding block 122 far away from the fixed installation wheels is in a rectangular frame structure, two parallel sliding grooves are formed on the side of the fixed block 121 to respectively cooperate with two sliding bodies of the sliding block 122, and a sliding hole cooperating with the sliding block is formed between the sliding groove and the bottom plate 13, the bolt 121 is fixed on the bottom plate 13, and the other end of the.

As mentioned above, there are many arrangements of the locking device 4, the unlocking head 5 and the spare head 6, simpler arrangements can be made such that along the driving direction of the driving chain 2, the locking device 4 is located at the front end of the unit conveying assembly 3, it should be noted that, regarding here and in the context of the forward direction referring to the driving direction of the driving chain 2, the corresponding backward direction referring to the reverse direction of the driving chain 2, and the unlocking head 5 is located at the rear end of the unit conveying assembly 3, the locking device 4 comprises a clamping assembly and a pushing arm which is turned upwards to push the clamping assembly open, the unlocking head 5 has a slanted pushing face to push the pushing arm to turn upwards when moving in the reverse direction of the driving chain 2 relative to the pushing arm.

, in order to effectively ensure the wide unlocking range of the spare unlocking device, it is preferable that the ring 9 is arranged along the driving chain 2 from the driving chain 2, so that the ring 9 can drive the spare head 6 to move to any position of the driving path of the driving chain 2.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the -like principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention.

Claims

The utility model provides a kind of long-pending chain of putting, including supporting rail, driving chain and multiunit conveying subassembly by supporting rail supports, each group of unit conveying subassembly all is provided with can lock solid under the locking state at the locking device on the driving chain to be provided with the locking head of deblocking, be used for when the interval is not more than the predetermined distance to last group the unit conveying subassembly the locking device promotes to open, its characterized in that still includes reserve head, thrust unit and is used for driving reserve head business turn over unblock route unblock drive arrangement, thrust unit can drive enter into behind the unblock route reserve head along driving chain reverse movement and can promote locking device unblock and can continue to drive reserve head in order to drive unit conveying subassembly along driving chain reverse movement.
2. The power and free chain of claim 1, wherein the unlocking drive device comprises a slide rail and an unlocking drive assembly, the spare head is in sliding fit with the slide rail, and the unlocking drive assembly can drive the slide rail to rotate so as to drive the spare head to rotate, so as to realize the access to the unlocking path.
3. The stacking chain of claim 2, wherein the cross-sectional profile of the slide rail is rectangular, and the handle portion of the spare head has a square hole that matches the outer profile of the slide rail.
4. The power and free chain of claim 3, wherein the unlocking drive assembly comprises an unlocking motor and a worm gear drive connected between the slide rail and the unlocking motor.
5. The power and free chain of claim 2, wherein the pushing device comprises a ring member which is opened by two mounting wheels and a pushing assembly which drives the ring member to move circularly along the extending direction of the ring member, and the spare head is connected with the ring member to be driven by the ring member to move along the driving chain in the opposite direction.
6. The stacking chain of claim 5, wherein the pushing assembly comprises a pushing motor, a driving wheel driven by the pushing motor, and a pressing wheel for pressing the loop member against the driving wheel.
7. The power and free chain of claim 6 further comprising a tension adjustment mechanism to adjust the degree of tension of the loop members by adjusting the position of of the mounting wheels relative to the other of the mounting wheels.
8. The power and free chain of claim 7, wherein the tension adjusting mechanism comprises a fixed block fixed relative to the rotating shaft of installation wheels, a sliding block sliding fitted with the fixed block along the tension direction, and an adjusting nut screwed with the sliding block and having an end abutting against the fixed block, the end of the sliding block is rotatably connected with another installation wheels, the end is transversely separated into at least two sliding bodies to be respectively slidably connected with the fixed block, and the end is provided with a cross arm having two transverse ends respectively connected with the corresponding sliding bodies, the adjusting nut is screwed with the transverse middle of the cross arm and having a tail end abutting against the fixed block.
9. The stacking chain of claim 8, wherein said endless members are disposed with said drive chain along an overall drive path of said drive chain.
10. The stacking chain of any of , wherein the locking device is located at the front end of the unit conveying assembly along the driving direction of the driving chain, the unlocking head is located at the rear end of the unit conveying assembly, the locking device comprises a clamping assembly and a pushing arm capable of pushing the clamping assembly to open in an upward rotating mode, and the unlocking head is provided with a bevel pushing surface capable of pushing the pushing arm to rotate upward when moving oppositely to the pushing arm along the driving direction of the driving chain.