CN111620049A - Cantilever type conveying device - Google Patents

Abstract

The invention relates to a cantilever conveying device, comprising a frame, a cam lifting mechanism and a cantilever conveying mechanism. The cam lifting mechanism includes a first drive unit and a cam mounted on the frame, and the first drive unit has a first horizontal output shaft , the cam is drivingly connected with the first horizontal output shaft; the cantilever conveying mechanism includes a bracket and a second drive unit, a transmission unit, and two cantilever units installed on the bracket, and the bracket is connected with the cam and slidably installed on the frame The cantilever unit includes a cantilever beam, one end of the cantilever beam is installed on the end of the bracket away from the frame, and the other end extends along the outgoing bracket, and the two cantilever beams are arranged opposite to each other at an interval; the transmission unit includes a first transmission shaft, a pulley and a belt, the second A drive shaft is rotatably installed on the bracket, the pulley is installed on both ends of the first drive shaft, and the belt is movably wound around the pulley and the cantilever beam; the second drive unit has a second horizontal output shaft and is drive-connected with the first drive shaft .

Description

Cantilever conveyor

technical field

The invention relates to the technical field of industrial assembly lines, in particular to a cantilever conveying device.

Background technique

With the development of industrial assembly line technology, most modern industrial production uses assembly line operations. Multiple assembly lines realize material transportation, and cooperate with manipulators to realize material transfer between different assembly lines.

At present, each assembly line includes a drive motor, a support table, a pulley, and a belt. The pulley is arranged at the four corners of the support table and is connected to the drive motor. The belt is sleeved on the pulley and is driven by the drive standby to move to convey For materials, manipulators are arranged between different lines. The manipulators can realize reciprocating operations such as lifting, horizontal movement, falling and releasing of materials. However, the above-mentioned pipelines have complex structure and low space utilization rate. The above-mentioned manipulators have high cost, complex structure and large volume. , and the continuous inertia of each operation is poor, and the speed is low, resulting in low work efficiency.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a cantilever conveying device for the problems of complex structure, low space utilization and work efficiency.

A cantilever conveying device, comprising a frame, a cam lifting mechanism and a cantilever conveying mechanism, wherein:

The cam lifting mechanism includes a first drive unit and a cam mounted on the frame, the first drive unit has a first horizontal output shaft, and the cam is in driving connection with the first horizontal output shaft;

The cantilever conveying mechanism includes a bracket, a second driving unit, a transmission unit, and two cantilever units mounted on the bracket, the bracket is connected with the cam, and is slidably installed on the frame; The cantilever unit includes a cantilever beam, one end of the cantilever beam is mounted on the end of the bracket away from the frame, and the other end extends out of the bracket in a direction away from the cam lifting mechanism, and two of the cantilever beams extend out of the bracket. The cantilever beams are arranged opposite to each other at intervals; the transmission unit includes a first transmission shaft, a pulley and a belt, the first transmission shaft is rotatably installed on the bracket, and the pulley is installed at both ends of the first transmission shaft, The belt is movably wound around the pulley and the cantilever beam; the second drive unit has a second horizontal output shaft and is drive-connected with the first transmission shaft.

In one embodiment, the cam has a rotating shaft and a cam surface, the rotating shaft is parallel to the first horizontal output shaft, the cam surface surrounds the rotating shaft, the cam surface includes a first surface and For the second surface, along the direction perpendicular to the rotation axis, the first surface gradually increases in diameter from one end close to the second surface to the other end close to the second surface.

In one embodiment, the cantilever conveying device further includes an induction mechanism, the induction mechanism includes a switch assembly and a locking plate, wherein:

The switch assembly is mounted on the frame and is located at one end of the cantilever beam close to the cam, for opening when the product to be conveyed begins to enter or begins to leave the belt, and when the product to be conveyed completely enters or exits the belt. closes when completely off the belt;

The locking plate is mounted on the cam, and the extension direction intersects with the end of the first surface close to the second surface, the locking plate is locked with the switch assembly when the switch assembly is opened, When the switch assembly is closed, the locking plate and the switch assembly are unlocked.

In one embodiment, the switch assembly includes a reflective photoelectric switch, a reflective plate and a supporting plate, the reflective photoelectric switch is mounted on the frame through the supporting plate and locked with the locking plate Attaching or unlocking the reflecting plate is installed at the end of the bracket away from the frame and located between the two cantilever beams.

In one of the embodiments, the cam surface further includes a third surface and a fourth surface, the third surface and the fourth surface are respectively located between the first surface and the second surface, and respectively There is a smooth transition with the first surface and the second surface, where:

along the direction perpendicular to the rotation axis, the diameter of the first surface gradually increases from the end connected with the fourth surface to the end connected with the third surface;

along the direction perpendicular to the rotation axis, the radial directions of the third surface and the fourth surface are the same everywhere;

In the direction perpendicular to the rotation axis, the radial direction of the second surface gradually decreases from the end connected with the third surface to the end connected with the fourth surface.

In one embodiment, two sliding blocks are relatively fixedly arranged on the rack, and sliding rails are provided on the brackets, and the sliding rails are slidably installed on the sliding blocks, and the brackets are connected by connecting A roller is mounted on the rod, and the roller is cooperatively connected with the cam.

In one embodiment, one end of the bracket close to the frame is connected to the frame through a tension spring; and/or, one end of the bracket close to the frame is provided with a limit baffle, which is parallel to the frame. In the sliding direction of the sliding rail, the projection of the limiting baffle on the sliding block covers the sliding block.

In one embodiment, the transmission unit further includes a second transmission shaft and a transition wheel, the second transmission shaft is mounted on the bracket and is located between the cantilever beam and the first transmission shaft, so The transition wheel is installed at both ends of the second transmission shaft, and the belt is movably wound between the pulley and the transition wheel.

In one embodiment, the cantilever beam includes a cantilever body, two idler belt pulleys and two bearing fixing parts, one of the belt idler pulleys is sleeved on one of the bearing fixing parts, and two of the bearings The fixing pieces are respectively installed on both ends of the cantilever body.

In one embodiment, a timing pulley is provided on the first transmission shaft, and the second drive unit communicates with the second drive unit through a timing belt wound on the timing pulley and the second horizontal output shaft. The first drive shaft is drive-connected.

The above-mentioned cantilever conveying device is used to transfer the products to be transported on the high-level front-end assembly line to the low-level rear-end assembly line. During the working process, when the cantilever conveying device is in a low position, the first drive unit moves, and passes through the first level. The output shaft drives the cam to rotate, the cam drives the supporting frame to move, the frame slides upward relative to the frame, and the frame drives the second drive unit, the transmission unit, and the two cantilever units installed on it to slide upward together to achieve rapid rise. ; When it rises to the level of the front line, the product to be transmitted on the front line is transferred to the belt. At this time, the second drive unit moves, and the second horizontal output shaft drives the first drive shaft to rotate, and the first drive shaft drives The pulleys installed at both ends of the pulley rotate, and the pulley drives the belt that is movably wound around it to move relative to the cantilever beam, so that the product to be transported is transported to the belt; when the product to be transported is completely transported to the belt, the first drive unit moves, The first horizontal output shaft drives the cam to rotate, the cam drives the supporting frame to move, the frame slides downward relative to the frame, and the frame drives the second drive unit, transmission unit and two cantilever units installed on it to move downward together Sliding, the product to be conveyed moves downward to achieve rapid descent; when the cantilever conveying device is lowered to a low position and is flush with the back-end assembly line, the rotation of the belt drives the to-be-transmitted product to be transferred to the back-end assembly line to complete a In the transmission process, the transmission process is circulated during the working process to realize the transmission of multiple products to be transmitted; in the above cantilever conveying device, rapid lifting is realized by cams, the structure is simple, the speed is fast, and the work efficiency is high, and the two cantilever beams They are arranged opposite to each other so that the middle, the upper part and the bottom of the two cantilever beams have operating spaces, and other structures can be provided to facilitate other operations, so that the overall structure is compact.

Description of drawings

1 is a schematic structural diagram of a cantilever conveying device in an embodiment provided by the present invention;

2 is a schematic structural diagram of another angle of the cantilever conveying device in an embodiment provided by the present invention;

3 is a schematic structural diagram of another angle of the cantilever conveying device in an embodiment provided by the present invention;

FIG. 4 is an exploded schematic diagram of a cantilever conveying device in an embodiment provided by the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a cantilever conveying device 10 for conveying the product to be conveyed on the high-level front-end assembly line to the low-level rear-end pipeline, or It is used to transfer the products to be transmitted on the low-level front-end pipeline to the high-level back-end pipeline, and its working principle is similar. Taking a scenario as an example, the cantilever conveying device 10 includes a frame 100 , a cam lifting mechanism 200 and a cantilever conveying mechanism 300 . The frame 100 is fixedly arranged, and the cam lifting mechanism 200 and the cantilever conveying mechanism 300 are installed on the frame 100 , the rack 100 plays a supporting role, wherein:

The cam lifting mechanism 200 includes a first driving unit 210 and a cam 220. The first driving unit 210 is fixedly mounted on the frame 100. The first driving unit 210 has a first horizontal output shaft 211, and the cam 220 and the first horizontal output shaft 211 are driven connect. In the specific setting, the first driving unit 210 may be a motor, at this time, the first horizontal output shaft 211 is the output shaft of the motor, and the cam 220 is fixedly installed on the output shaft of the motor through a bearing; the first driving unit 210 may also be a motor and a deceleration mechanism rotatably connected with it. The deceleration mechanism can be a gear transmission mechanism or other mechanism that can meet the deceleration requirements. At this time, the first horizontal output shaft 211 is the output shaft of the deceleration mechanism, and the cam 220 passes through the bearing. It is fixedly installed on the output shaft of the deceleration mechanism; of course, the structural form of the first drive unit 210 is not limited to this, and can also be other structural forms that meet the requirements.

The cantilever conveying mechanism 300 includes a bracket 310 , a second driving unit 320 , two cantilever units 330 , and a transmission unit 340 . The bracket 310 is slidably mounted on the rack 100 , and the bracket 310 is matched and connected with the cam 220 , so that the cam 220 and the bracket 310 are always in contact and can be moved under the driving of the cam 220 .

The cantilever unit 330 includes two cantilever beams 331 , one end of each cantilever beam 331 is mounted on the end of the bracket 310 away from the rack 100 , and the other end of the cantilever beam 331 extends out of the bracket 310 in a direction away from the cam lifting mechanism 200 , It is used to carry the product to be transported from the high-level front-end pipeline, and transfer the to-be-transmitted product to the low-level rear pipeline; the two cantilever beams 331 are arranged opposite to each other at intervals, so as to support the to-be-transmitted product, and make the two The upper part, the middle part and the bottom part of the cantilever beam 331 have operating spaces. In the specific setting, the two cantilever beams 331 can be relatively arranged at the front and rear ends of the bracket 310. At this time, the distance between the two cantilever beams 331 is relatively large. Of course, the positions of the two cantilever beams 331 can also be based on the operating space requirements. Adjustment is made, and after adjustment, it is fastened to the bracket 310 by screws.

The transmission unit 340 includes a first transmission shaft 341 , a pulley 342 and a belt 343 . The first transmission shaft 341 is rotatably installed on the bracket 310 , the pulley 342 is installed at both ends of the first transmission shaft 341 , and the belt 343 is movably wound around the pulley 342 and the cantilever beam 331; the second drive unit 320 has a second horizontal output shaft 321, and the second drive unit 320 is drive-connected with the first transmission shaft 341. In the specific setting, the second driving unit 320 can be a motor. At this time, the second horizontal output shaft 321 is the output shaft of the motor, and the first transmission shaft 341 is driven and connected to the output shaft of the motor through a synchronous transmission mechanism; The unit 320 may also be a motor and a deceleration mechanism rotatably connected to it, and the deceleration mechanism may be a gear transmission mechanism or other mechanism that can meet the deceleration requirements. At this time, the second horizontal output shaft 321 is the output of the deceleration mechanism. The first transmission shaft 341 is driven and connected to the output shaft of the deceleration mechanism through the synchronous transmission mechanism; of course, the structural form of the second driving unit 320 is not limited to this, and can also be other structural forms that meet the requirements.

The above-mentioned cantilever conveying device 10 is used to transfer the products to be conveyed on the high-level front-end assembly line to the low-level rear-end pipeline. The first horizontal output shaft 211 drives the cam 220 to rotate, the cam 220 drives the bracket 310 that is matched with it to move, the bracket 310 slides upward relative to the frame 100, and the bracket 310 drives the second drive unit 320, transmission unit 340, The two cantilever units 330 slide upward together to achieve rapid ascent; when they rise to the level of the front-end assembly line, the products to be transported on the front-end assembly line are transferred to the belt 343. At this time, the second drive unit 320 moves to pass the second The horizontal output shaft 321 drives the first drive shaft 341 to rotate, the first drive shaft 341 drives the pulleys 342 installed at both ends to rotate, and the pulleys 342 drive the belt 343 movably wound around it to move relative to the cantilever beam 331, so that the products to be transmitted are moved. When the product to be transmitted is completely transferred to the belt 343, the first drive unit 210 moves, and the first horizontal output shaft 211 drives the cam 220 to rotate, and the cam 220 drives the supporting bracket 310 to move, the bracket 310 slides downward relative to the rack 100, and the bracket 310 drives the second drive unit 320, the transmission unit 340, and the two cantilever units 330 installed on it to slide downward together, and the product to be transported moves downward accordingly to achieve rapid descent ; When the cantilever conveying device 10 is lowered to a low position and is flush with the back-end assembly line, the rotation of the belt 343 drives the product to be transmitted to the latter-stage assembly line to complete a transmission process, and the transmission process is circulated in the working process to achieve multiple The conveying of the products to be conveyed; in the above-mentioned cantilever conveying device 10, the cam 220 realizes rapid lifting, the structure is simple, the speed is high, and the work efficiency is high, and the two cantilever beams 331 are arranged opposite to each other at intervals, so that the two cantilever beams The middle, upper and bottom of 331 have operating spaces, and other structures can be provided to facilitate other operations, making the overall structure compact.

In order to facilitate rapid lifting, in a preferred embodiment, as shown in FIG. 1 and FIG. 4 , the cam 220 has a rotating shaft and a cam surface 221, the rotating shaft is parallel to the first horizontal output shaft 211, the cam surface 221 surrounds the rotating shaft, and the cam surface 221 includes a first surface 222 and a second surface 223 . Along the direction perpendicular to the rotation axis, the first surface 222 gradually increases in diameter from one end close to the second surface 223 to the other end close to the second surface 223 . The bracket 310 is connected with the cam surface 221, and the movement of the first horizontal output shaft 211 drives the cam surface 221 to rotate around its rotation axis to drive the bracket 310 to move. When the other end of the two surfaces 223 rotates, the cam surface 221 drives the bracket 310 to rise. When the first surface 222 rotates from the other end close to the second surface 223 to the end close to the second surface 223, the cam surface 221 drives the bracket 310 to descend.

The above-mentioned cantilever conveying device 10, in the specific setting, when the first driving unit 210 is a motor, at this time, the rotating shaft coincides with the output shaft of the motor, and when the first driving unit 210 is a motor and a deceleration mechanism rotatably connected to it , at this time, the rotating shaft coincides with the output shaft of the deceleration mechanism. The structural form of the cam surface 221 may only include the first surface 222 and the second surface 223. Along the direction perpendicular to the rotation axis, the first surface 222 extends from the end connected with the second surface 223 to the end connected with the second surface 223. The diameter of the other end increases gradually. At this time, the cantilever conveying device 10 further includes an induction mechanism 400 for realizing that the cantilever conveying device 10 is kept at a high position for a certain period of time so that the products to be conveyed completely enter the belt 343 . The structural form of the cam surface 221 may further include the first surface 222 , the second surface 223 , the third surface and the fourth surface which are smoothly transitioned. The process of ascending, suspending, descending and re-suspending of the cantilever conveying mechanism 300 can be realized by different radial directions, of course; the structural form of the cam surface 221 is not limited to this, and can also be other structural forms that meet the requirements.

There are various structural forms of the sensing mechanism 400. In order to ensure a simple structure and facilitate implementation, specifically, as shown in FIG. 1, FIG. 3 and FIG. 4, the sensing mechanism 400 includes a switch assembly 410 and a locking plate 420, wherein:

The switch assembly 410 is installed on the rack 100, and the switch assembly 410 is located at one end of the cantilever beam 331 close to the cam 220. The switch assembly 410 is used to open when the product to be conveyed begins to enter the belt 343, and is opened when the product to be conveyed begins to leave the belt 343, It is closed when the product to be transported completely enters the belt 343, and when the product to be transported completely leaves the belt 343;

The locking plate 420 is mounted on the cam 220, and the extending direction intersects with the end of the first surface 222 close to the second surface 223, one end of the locking plate 420 is close to the end where the first surface 222 and the second surface 223 intersect, the locking plate The other end of 420 is close to the other end where the first surface 222 and the second surface 223 intersect. When the switch assembly 410 is opened, the locking plate 420 is locked with the switch assembly 410, and when the switch assembly 410 is closed, the locking plate 420 is locked with the switch assembly 410 Unlock.

The above-mentioned cantilever conveying device 10, in the specific setting, when the cantilever conveying mechanism 300 rises to be flush with the front line, the switch assembly 410 is used to detect the product to be conveyed, and when the edge of the product to be conveyed begins to enter the belt 343, the switch The assembly 410 is opened, the locking plate 420 is locked with the switch assembly 410, the cam 220 and the cantilever conveying mechanism 300 stop moving, and the product to be conveyed on the previous assembly line is conveyed to the belt 343. When the product to be conveyed completely enters the belt 343, The switch assembly 410 is closed, the locking plate 420 and the switch assembly 410 are unlocked, the cam 220 and the cantilever conveying mechanism 300 continue to move, and the cam 220 drives the cantilever conveying mechanism 300 and the product to be conveyed on it to descend to a low position. When the conveyed product starts to leave the belt 343, the switch assembly 410 is opened, the locking plate 420 is locked with the switch assembly 410, the cam 220 and the cantilever conveying mechanism 300 stop moving, and the product to be conveyed on the belt 343 is conveyed to the subsequent assembly line, When the product to be conveyed completely leaves the belt 343, the switch assembly 410 is closed, the locking plate 420 and the switch assembly 410 are unlocked, the cam 220 and the cantilever conveying mechanism 300 continue to move, and the cam 220 drives the cantilever conveying mechanism 300 to rise to a high position, to complete a transfer process.

The switch assembly 410 has various structural forms. More specifically, as shown in FIG. 1 , FIG. 3 and FIG. 4 , the switch assembly 410 includes a reflective photoelectric switch 411 , a reflective plate 412 and a support plate 413 , and the reflective photoelectric switch 411 passes through The support plate 413 is installed on the rack 100 , locked with the locking plate 420 when the reflective photoelectric switch 411 is turned on, and unlocked with the locking plate 420 when the reflective photoelectric switch 411 is turned off, and the reflective plate 412 is installed on the bracket 310 away from the end of the frame 100 , and the reflector 412 is located between the two cantilever beams 331 .

The above-mentioned cantilever conveying device 10, in the specific setting, the reflective photoelectric switch 411 has a transmitter and a receiver. When the edge of the product to be transmitted begins to enter the belt 343, the product to be transmitted blocks the reflective plate 412, the light received by the receiver is weakened, the reflective photoelectric switch 411 is turned on, and the locking plate 420 is locked with the reflective photoelectric switch 411. , when the product to be transported completely enters the belt 343, the light received by the receiver is the weakest, the reflective photoelectric switch 411 is turned off, the locking plate 420 and the reflective photoelectric switch 411 are unlocked, and when the product to be transported begins to leave the belt 343 , the light received by the receiver is enhanced, the reflective photoelectric switch 411 is turned on, and the locking plate 420 is locked with the reflective photoelectric switch 411. When the product to be transmitted completely leaves the belt 343, the light received by the receiver is the strongest, and the reflection The cam 220 can be raised, paused, lowered and paused again through the switch assembly 410. Of course, the switch assembly 410 is not limited to this. Other structural forms that can realize the process of rising, suspending, descending and suspending again of the cam 220 can also be used.

In order to ensure a simple structure and facilitate implementation, in a preferred embodiment, the cam surface 221 includes a first surface 222 , a second surface 223 , a third surface and a fourth surface that are connected in sequence, and the third surface is located on the first surface 222 and the second surface. between surfaces 223, and the third surface transitions smoothly with the first surface 222 and the second surface 223, the fourth surface is located between the first surface 222 and the second surface 223, and the fourth surface is between the first surface 222 and the second surface 223 Surface 223 smoothly transitions where:

Along the direction perpendicular to the axis of rotation, the first surface 222 gradually increases in diameter from the end connected with the fourth surface to the end connected with the third surface; when the first surface 222 starts from the end connected with the fourth surface The cam 220 rises as it rotates toward the end that is in contact with the third surface.

Along the direction perpendicular to the rotation axis, the radial directions of the third surface and the fourth surface are the same everywhere;

Along the direction perpendicular to the rotation axis, the radial direction of the second surface 223 gradually decreases from the end that is in contact with the third surface to the end that is in contact with the fourth surface; The cam 220 descends as one end rotates toward the end that is in contact with the fourth surface.

The above-mentioned cantilever conveying device 10, in the specific setting, the bracket 310 is connected with the cam surface 221, the rotation of the cam surface 221 drives the bracket 310 to move, when the bracket 310 is in contact with the first surface 222, and the first surface 222 is free from the first surface 222. When the end connected with the four surfaces is rotated toward the end connected with the third surface, the cam 220 is driven to rise, so that the cantilever conveying mechanism 300 is raised. The third surface is in contact, at this time, the height of the bracket 310 is unchanged, the edge of the product to be conveyed begins to enter the belt 343, and the cam surface 221 rotates until the bracket 310 is in contact with the second surface 223, and the second surface 223 is free from contact with the second surface 223. When the end connected with the three surfaces rotates toward the end connected with the fourth surface, the cam 220 descends, so that the cantilever conveying mechanism 300 and the products to be conveyed on it descend, and the cantilever conveying mechanism 300 and the products located thereon descend. When the product to be transported drops to a low position, the cam surface 221 rotates until the bracket 310 contacts the fourth surface. At this time, the height of the bracket 310 remains unchanged, and the product to be transported on the belt 343 is transported to the subsequent assembly line. When completely separated from the belt 343, the bracket 310 is in contact with the first surface 222, and the first surface 222 is rotated from the end in contact with the fourth surface to the end in contact with the third surface to complete a transfer process.

In order to facilitate the sliding connection between the bracket 310 and the rack 100 , in a preferred embodiment, as shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. A slide rail 311 is provided on the slide rail 311 , and the slide rail 311 is slidably mounted on the slider 110 . A roller 313 is mounted on the bracket 310 through a connecting rod 312 , and the roller 313 is connected with the cam 220 in a cooperative manner.

In the above-mentioned cantilever conveying device 10, during specific setting, the roller 313 can always abut on the cam 220 through the connecting rod 312, and the roller 313 can also be connected with the cam 220 through other structures. The cam 220 drives the matched roller 313 to ascend or descend, and the slide rail 311 of the bracket 310 moves up and down on the slider 110 under the drive of the connecting rod 312 to realize the lifting and lowering of the cantilever conveying mechanism 300 . The sliding connection form of the bracket 310 and the rack 100 can be that the rack 100 is provided with the slider 110, the bracket 310 is provided with the slide rail 311, and the rack 100 is also provided with a guide rail, and the bracket 310 is provided with a connecting block, and the connecting block can slide Of course, it is not limited to this, and it can also be other structural forms that meet the requirements.

In order to ensure the stability of the movement, as shown in FIG. 1 , FIG. 3 and FIG. 4 , specifically, one end of the bracket 310 close to the rack 100 is connected to the rack 100 through the tension spring 350 ; and/or, the bracket 310 is close to the rack One end of the 100 is provided with a limit baffle 360 , and along the sliding direction parallel to the slide rail 311 , the projection of the limit baffle 360 on the slider 110 covers the slider 110 .

When the above-mentioned cantilever conveying device 10 is specifically installed, in order to ensure the stability of movement, a bolt can be provided on one end of the bracket 310 close to the frame 100, one end of the tension spring 350 is connected to the bolt, and the other end of the tension spring 350 is connected to the bolt. The frame 100 is connected to prevent the bracket 310 from being detached from the frame 100; in order to ensure the stability of the movement, a limit baffle 360 can also be set at one end of the bracket 310 close to the frame 100, and the slider 110 is located away from the cantilever beam 331 When the bracket 310 rises, the limit baffle 360 is close to the slider 110, and since the projection of the limit baffle 360 on the slider 110 covers the slider 110, when the bracket 310 rises to the maximum position, the limit The baffle 360 abuts on the slider 110 to prevent the bracket 310 from being separated from the rack 100. Of course, in order to further ensure the stability of the movement, the bracket 310 can also be connected to the rack 100 through the tension spring 350 at one end of the bracket 310 close to the rack 100. At the same time, a limit baffle 360 is provided at one end of the bracket 310 close to the rack 100 .

In order to ensure the movement stability of the belt 343 , in a preferred embodiment, as shown in FIGS. 1 , 2 , 3 and 4 , the transmission unit 340 further includes a second transmission shaft 344 and a transition wheel 345 , and the second transmission shaft 344 is installed On the bracket 310 and between the cantilever beam 331 and the first transmission shaft 341 , transition pulleys 345 are installed on both ends of the second transmission shaft 344 , and the belt 343 is movably wound between the pulley 342 and the transition pulley 345 .

In the above-mentioned cantilever conveying device 10, during the specific setting, the belt 343 is movably wound around the pulley 342 and the cantilever beam 331, and the belt 343 is movably wound between the pulley 342 and the transition pulley 345, and the second driving unit 320 operates, through the first The two horizontal output shafts 321 drive the first drive shaft 341 to rotate, the first drive shaft 341 drives the pulleys 342 installed at both ends to rotate, and the pulleys 342 drive the belt 343 movably wound around it to move relative to the cantilever beam 331. At this time, the transition The wheel 345 enables the belt 343 to be tightly attached to the cantilever beam 331 to ensure the stability of the movement of the belt 343, thereby making the transmission of the product to be conveyed on the belt 343 stable.

In order to further ensure the movement stability of the belt 343 , in a preferred embodiment, as shown in FIGS. 1 , 2 , 3 and 4 , the cantilever beam 331 includes a cantilever body 332 , two belt idlers 333 and two bearing fixing parts 334, a belt idler 333 is sleeved on a bearing fixing member 334, and the bearing fixing member 334 is installed on one end of the cantilever body 332, and another belt idler 333 is sleeved on the other bearing fixing member 334, and the bearing fixing member 334 is installed on one end of the cantilever body 332. The bearing fixing member 334 is mounted on the other end of the cantilever body 332 .

In the above-mentioned cantilever conveying device 10 , during the specific setting, the belt 343 is movably wound around the pulley 342 , a belt idler 333 , the cantilever body 332 and the other belt idler 333 , and passes through the bearing fixing member 334 under the movement of the belt 343 . The belt idler 333 is driven to rotate, so as to ensure the stable movement of the belt 343 when passing through the cantilever body 332, and to ensure the stability of the entire movement process.

In a preferred embodiment, as shown in FIGS. 1 , 2 , 3 and 4 , the first transmission shaft 341 is provided with a synchronous pulley 346 , and the second drive unit 320 is wound around the synchronous pulley 346 and the second drive unit 346 . The timing belt 347 on the horizontal output shaft 321 is in driving connection with the first transmission shaft 341 .

In the above-mentioned cantilever conveying device 10, during the specific setting, the synchronous pulley 346 is sleeved on the first transmission shaft 341, and when the second driving unit 320 is a motor, the synchronous belt 347 is wound around the output of the synchronous pulley 346 and the motor. On the shaft, the second drive unit 320 is a motor and a deceleration mechanism rotatably connected with it, and the synchronous belt 347 is wound around the synchronous pulley 346 and the output shaft of the deceleration mechanism, so as to realize the connection between the first transmission shaft 341 and the second transmission shaft 341. The transmission connection of the horizontal output shaft 321, of course, the transmission connection form of the first transmission shaft 341 and the second horizontal output shaft 321 is not limited to this, and can also be other structural forms that meet the requirements.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a cantilever type conveyor which characterized in that, includes frame, cam elevating system and cantilever type conveying mechanism, wherein:

the cam lifting mechanism comprises a first driving unit and a cam, wherein the first driving unit is arranged on the rack and is provided with a first horizontal output shaft, and the cam is in transmission connection with the first horizontal output shaft;

the cantilever type conveying mechanism comprises a bracket, a second driving unit, a transmission unit and two cantilever units, wherein the second driving unit, the transmission unit and the two cantilever units are arranged on the bracket; the cantilever unit comprises cantilever beams, one end of each cantilever beam is arranged at the end part of the support far away from the rack, the other end of each cantilever beam extends out of the support along the direction far away from the cam lifting mechanism, and the two cantilever beams are oppositely arranged at intervals; the transmission unit comprises a first transmission shaft, belt pulleys and a belt, the first transmission shaft is rotatably arranged on the bracket, the belt pulleys are arranged at two ends of the first transmission shaft, and the belt is movably wound on the belt pulleys and the cantilever beam; the second driving unit is provided with a second horizontal output shaft and is in transmission connection with the first transmission shaft.

2. The cantilevered transport device of claim 1 wherein the cam has an axis of rotation parallel to the first horizontal output shaft and a cam surface surrounding the axis of rotation, the cam surface including a first surface and a second surface, the first surface increasing in diameter from one end adjacent the second surface to the other end adjacent the second surface in a direction perpendicular to the axis of rotation.

3. The cantilevered transport device of claim 2, further comprising a sensing mechanism comprising a switch assembly and a latch plate, wherein:

the switch assembly is arranged on the rack, is positioned at one end of the cantilever beam close to the cam, and is used for being switched on when a product to be transmitted begins to enter or leave the belt and being switched off when the product to be transmitted completely enters or leaves the belt;

the locking plate is mounted on the cam, the extending direction of the locking plate is intersected with the end part, close to the second surface, of the first surface, the locking plate is locked with the switch assembly when the switch assembly is opened, and the locking plate is unlocked with the switch assembly when the switch assembly is closed.

4. The cantilever type conveying device according to claim 3, wherein the switch assembly comprises a reflective photoelectric switch, a reflective plate and a supporting plate, the reflective photoelectric switch is mounted on the rack through the supporting plate, and is locked with or unlocked from the locking plate, the reflective plate is mounted at the end of the bracket far away from the rack and is positioned between the two cantilever beams.

5. The cantilevered delivery device of claim 2, wherein the cam surface further comprises a third surface and a fourth surface, the third surface and the fourth surface being located between and smoothly transitioning with the first surface and the second surface, respectively, wherein:

the first surface gradually increases from the end connected with the fourth surface to the end connected with the third surface along the direction vertical to the rotating shaft;

the radial directions of the third surface and the fourth surface are the same along the direction perpendicular to the rotating shaft;

the second surface gradually decreases in radial direction from an end meeting the third surface to an end meeting the fourth surface in a direction perpendicular to the rotation axis.

6. The cantilever type conveying device according to claim 1, wherein two sliding blocks are relatively and fixedly arranged on the frame, a sliding rail is arranged on the bracket, the sliding rail is slidably arranged on the sliding blocks, a roller is arranged on the bracket through a connecting rod, and the roller is in fit connection with the cam.

7. The cantilever type conveying device according to claim 6, wherein one end of the bracket near the rack is connected with the rack through a tension spring; and/or one end of the bracket, which is close to the rack, is provided with a limiting baffle, and the projection of the limiting baffle on the sliding block covers the sliding block along the sliding direction which is parallel to the sliding rail.

8. The cantilever type conveying device according to claim 1, wherein the transmission unit further comprises a second transmission shaft mounted on the bracket between the cantilever beam and the first transmission shaft, and transition wheels mounted at both ends of the second transmission shaft, the belt being movably wound between the pulley and the transition wheels.

9. The cantilever type conveying device according to claim 1, wherein the cantilever beam comprises a cantilever body, two belt idlers and two bearing fixing pieces, one belt idler is sleeved on one bearing fixing piece, and the two bearing fixing pieces are respectively installed at two ends of the cantilever body.

10. The cantilever type conveying device according to claim 1, wherein a synchronous pulley is provided on the first transmission shaft, and the second driving unit is in transmission connection with the first transmission shaft through a synchronous belt wound on the synchronous pulley and the second horizontal output shaft.

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