CN210133210U

CN210133210U - Turnover mechanism and conveying device

Info

Publication number: CN210133210U
Application number: CN201920532988.4U
Authority: CN
Inventors: 毛连春; 任乐乐
Original assignee: HUAXIAO PRECISION INDUSTRY (SUZHOU) Co Ltd
Current assignee: HUAXIAO PRECISION INDUSTRY (SUZHOU) Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-03-10
Anticipated expiration: 2029-04-18

Abstract

The utility model provides a tilting mechanism and handling device, wherein, tilting mechanism includes: the overturning platform is used for bearing goods; the driving assembly is connected to one end of the overturning platform and used for driving the overturning platform to overturn towards at least one side; the supporting assembly is connected to the other end of the overturning platform opposite to the driving assembly and is used for supporting the overturning of the overturning platform; the braking assembly is connected with one end, close to the supporting assembly, of the overturning platform and used for locking the overturning angle of the overturning platform; the utility model discloses a tilting mechanism is equipped with brake assembly at the other end relative with drive assembly, upset platform, through brake assembly and drive assembly cooperation, locks the platform that overturns at predetermined rotation angle, because during the braking, obtains the holding power of holding back at upset platform's both ends simultaneously, consequently can improve upset platform's braking force and rotation angle to satisfy the upset needs of present heavier goods.

Description

Turnover mechanism and conveying device

Technical Field

The utility model relates to a AGV dolly technical field, concretely relates to tilting mechanism and have above-mentioned tilting mechanism's handling device.

Background

An Automated Guided Vehicle (AGV) is an "Automated Guided Vehicle". In particular, the present invention relates to a transportation vehicle equipped with an electromagnetic or optical automatic guiding device capable of traveling along a predetermined guiding path, having safety protection and various transfer functions, and having a rechargeable battery as a power source for the transportation vehicle without requiring a driver in industrial applications.

When the unmanned carrying vehicle in the prior art is used for carrying goods, the automatic loading and unloading of the goods on the vehicle are generally realized by adopting the turnover mechanism, the turnover mechanism is driven by the driving device, and the existing driving device can keep the turnover frame at any preset turnover angle due to the fact that the existing driving device is provided with the braking system.

However, as the weight of the automated guided vehicle for carrying the load increases, the requirement for reliable braking of the truck cannot be satisfied only by the braking of the existing drive device itself.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the present invention lies in overcoming the tilting mechanism in the prior art, and only adopts the braking of drive arrangement from the area, leads to the defect that can't satisfy current braking requirement to provide one kind and be equipped with the tilting mechanism of braking alone, and an adopt above-mentioned tilting mechanism's handling device.

In order to solve the technical problem, the utility model provides a turnover mechanism, include:

the overturning platform is used for bearing goods;

the driving assembly is connected to one end of the overturning platform and used for driving the overturning platform to overturn towards at least one side;

the supporting assembly is connected to the other end of the overturning platform opposite to the driving assembly and is used for supporting the overturning of the overturning platform;

it is characterized by also comprising:

and the braking assembly is connected with one end, close to the supporting assembly, of the turnover platform and is used for locking the turnover angle of the turnover platform.

Preferably, the brake assembly locks the overturning angle of the overturning platform through a meshing gear set.

Preferably, the brake assembly includes:

the follow-up gear is of a sector annular structure, is connected with the overturning platform and rotates around the driven shaft along with the overturning platform;

the brake gear is meshed with the follow-up gear;

and the brake is fixedly arranged on the brake bearing seat, and the driving end of the brake is connected with the brake gear.

Preferably, the brake assembly further comprises:

the gear protection cover is a sector annular structure which covers the follow-up gear and the brake gear, and is provided with a rigid cover which moves along with the follow-up gear and a flexible cover connected to the rigid cover.

Preferably, the driving assembly includes:

the driven wheel is connected with the overturning platform and used for driving the overturning platform to rotate around the driven shaft;

the driving wheel is connected with the driven wheel and used for driving the driven wheel to rotate along with the driving wheel;

and the driving motor is fixedly arranged on the fixed seat, and the driving end is connected with the driving wheel.

Preferably, the driving wheel and the driven wheel are connected by means of meshing, a chain or a belt.

Preferably, the drive wheel and the driven wheel have at least two sets in parallel.

Preferably, the driving assembly further comprises:

a tensioning device that maintains elastic tension on the chain or the belt by an elastic member.

Preferably, the tensioner comprises:

the tensioning wheel is in contact connection with the outer ring of the chain or the belt and is used for elastically driving the chain or the belt to deflect towards the inner side;

the middle part of the tensioning rod is connected with the tensioning wheel through a pin shaft, one end of the tensioning rod is hinged to the driving assembly, and the other end of the tensioning rod is elastically connected to the elastic assembly in a sliding manner;

elastic component, fixed connection be in on the drive assembly, include with the slide bar that the tensioning rod is connected is established with the cover elastic component on the slide bar, through the elastic component drive the slide bar is towards one side elastic sliding.

The utility model provides a carrying device, include: an AGV trolley;

the turnover mechanism is arranged on the AGV trolley.

The technical scheme of the utility model, have following advantage:

1. the utility model provides a turnover mechanism, relative with drive assembly, the other end of upset platform, be equipped with brake assembly, can slow down the upset action of upset platform through brake assembly, stop and keep the stop state, again with drive assembly cooperation, can with the better locking of upset platform at predetermined rotation angle, both ends through making the upset platform obtain the braking simultaneously and hold back, can improve the brake force of upset platform and rotation angle's holding power, thereby satisfy the upset needs of present heavier goods.

2. The utility model provides a tilting mechanism, braking subassembly pass through the meshing gear group and are right the rotation angle of upset platform locks, during the braking, can guarantee the upset back of upset platform, can not retreat with the purpose of the rotation angle of accurate control upset platform.

3. The utility model provides a tilting mechanism, brake assembly's follow-up gear is fan-shaped ring structure, connects on the upset platform, and its centre of a circle is concentric with the driven shaft of upset platform to follow-up gear can keep being connected with brake gear's meshing around driven shaft pivoted in-process, when making brake gear stop rotatory through the stopper, through brake gear and follow-up gear's meshing, can control follow-up gear's removal and stop.

4. The utility model provides a tilting mechanism is equipped with gear protection cover on the brake gear of braking subassembly and follow-up gear, protects the gear not receive the damage on the one hand, and on the other hand protects other equipment or personnel, avoids being caused the damage by the gear engagement face.

5. The utility model provides a tilting mechanism, drive assembly's driving motor passes through the train transmission, with the rotation power on the upset platform, makes the upset platform can be removed by just, reverse upset, through the train transmission, can adjust the drive ratio of train to can set up the upset speed of upset platform.

6. The utility model provides a tilting mechanism, what drive assembly's train contained: the driving wheel and the driven wheel are gears and are connected through a chain; through the chain, can make the drive wheel with from driving wheel synchronous transmission, when the drive wheel stops, also can the synchronous stop from the driving wheel to can control the rotation from the driving wheel and stop through the drive wheel, when driving the upset to the upset platform, can also play the effect of braking.

7. The utility model provides a tilting mechanism, drive assembly's drive wheel, chain and from the driving wheel, have two sets of side by side to can increase the transmission power of train, make the upset platform can overturn heavier goods.

8. The utility model provides a tilting mechanism, in drive assembly's train, overspeed device tensioner passes through the elastic component and keeps right the elasticity tensioning of chain to can keep always carrying out the tensioning to the chain, avoid the chain pine to take off.

9. The utility model provides a tilting mechanism, the elastic component pass through the lever structure that the tensioning rod constitutes, towards take-up pulley effect elastic force, make take-up pulley elastic drive chain towards one side skew, it is more laborsaving when can making the elastic component remove the take-up pulley through lever structure to guarantee the effective tensioning to the chain.

Drawings

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

FIG. 1 is a schematic perspective view of a transport apparatus comprising a turnover mechanism and an AGV.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a perspective view of the brake assembly.

FIG. 4 is a perspective view of the meshing gear set of the brake assembly.

Fig. 5 is an exploded view of fig. 4.

Fig. 6 is a schematic perspective view of a driving assembly according to an embodiment.

Fig. 7 is an exploded view of fig. 6.

Fig. 8 is a perspective view of the tensioner of fig. 6.

Fig. 9 is an exploded view of another embodiment drive assembly.

Description of reference numerals:

1. overturning the platform; 2. a drive assembly; 201. a driven wheel; 202. a drive wheel; 203. a drive motor; 204. A fixed seat; 205. a chain; 206. a belt; 207. an elastic member; 208. a tension wheel; 209. a tension rod; 210. a slide bar; 3. a support assembly; 301. a driven shaft; 4. a brake assembly; 401. a follower gear; 402. a brake gear; 403. a brake; 404. braking the bearing seat; 405. a gear shield; 5. an AGV.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The carrying device provided by the present embodiment, as shown in fig. 1, includes: AGV dolly 5 and tilting mechanism, wherein, tilting mechanism's upset platform 1 through drive assembly 2 and supporting component 3, the setting that can overturn is on AGV dolly 5, and the during operation makes upset platform 1 can overturn on AGV dolly 5 to carry out the transport of goods.

As shown in fig. 2, the turnover mechanism includes: overturning platform 1, drive assembly 2, supporting component 3 and brake assembly 4. The overturning platform 1 is used for bearing goods. The bottom of drive assembly 2 and supporting component 3 is all fixed on AGV dolly 5, wherein, drive assembly 2 is connected the one end of upset platform 1 is used for the drive upset platform 1 is towards the upset of the at least left and right sides, supporting component 3 with the connection that drive assembly 2 is relative is in the other end of upset platform 1 is used for supporting the upset of upset platform 1. The bottom end of the brake assembly 4 is fixed on the AGV trolley 5, the driving end of the brake assembly is connected with one end of the support assembly 3, the brake assembly 4 is used for braking, the overturning angle of the overturning platform 1 is locked, and the overturning speed of the overturning platform 1 can be reduced.

The supporting component 3 comprises a supporting body and a bearing arranged on the supporting body, the driven shaft 301 is arranged in the bearing of the supporting body in a penetrating mode and is connected with the bearing through tight fit, one end of the driven shaft 301 is connected with the overturning platform 1, and therefore overturning of the overturning platform 1 is supported.

As shown in fig. 3, the brake assembly 4 includes: brake carrier 404, brake 403 and an engaging gear set. The brake 403 can adopt mechanical brake, electromagnetic brake, hydraulic or pneumatic brake, etc.; the meshing gear set comprises a follow-up gear 401 and a brake gear 402, and the brake assembly 4 locks or reduces the overturning angle of the overturning platform 1 through the meshing gear set. A gear shield 405 is sleeved outside the meshing gear set, the gear shield 405 is of a sector annular structure and is provided with a rigid cover moving along with the follow-up gear 401 and a flexible cover connected to the rigid cover.

As shown in fig. 4 and 5, the follower gear 401 is of a sector annular structure, is connected to the turning platform 1, and rotates around the driven shaft 301 along with the turning platform 1; the brake gear 402 is in meshed connection with the follower gear 401; the brake 403 is fixedly arranged on a brake bearing seat 404, and the driving end is connected with the brake gear 402.

As shown in fig. 6, the driving assembly 2 includes: drive motor 203, drive wheel 202, chain 205, driven wheel 201, tensioning device and angle sensor assembly. The driving motor 203 is fixedly arranged on the fixed seat 204, and the driving end is connected with the driving wheel 202; the driven wheel 201 is connected with the overturning platform 1 and used for driving the overturning platform 1 to rotate around a driven shaft 301; the driving wheel 202 is connected with the driven wheel 201 and is used for driving the driven wheel 201 to rotate along with the driving wheel 202; the chain 205 synchronously connects the driving pulley 202 and the driven pulley 201. The tensioning device maintains elastic tension on the chain 205 by means of elastic elements 207; the angle sensor assembly controls the motion angle of the feedback driven wheel 201 to be controlled within a range of-45 degrees to +45 degrees.

As shown in fig. 7, the driving pulley 202 and the driven pulley 201 have two sets in parallel.

As shown in fig. 8, the tensioner includes: a tension wheel 208, a tension rod 209, an elastic component and a displacement sensor component. The tension pulley 208 may be a gear for engaging and contacting with the outer ring of the chain 205, and for elastically driving the chain 205 to deflect toward the inside; the middle part of the tension rod 209 is connected with the tension wheel 208 through a pin shaft, one end of the tension rod 209 is hinged to the driving component 2, and the other end of the tension rod 209 is elastically connected to the elastic component in a sliding manner; the elastic member 207 of the elastic component may be a spring, the elastic member 207 and the tension rod 209 together form a lever compression spring, the fixing member of the elastic component is fixedly connected to the driving component 2, a sliding rod 210 is slidably connected to the fixing member, one end of the sliding rod 210 is fixedly connected to the tension rod 209, the elastic member 207 is sleeved on the sliding rod 210, and the sliding rod 210 is driven by the elastic member 207 to elastically slide towards one side, so as to drive the tension rod 209 to bias towards one side; the displacement sensor assembly monitors the displacement of the tension rod 209 and thereby controls the lever compression spring to maintain the chain 205 in tension at all times.

Principle of operation

When the turnover platform 1 is turned over within the range of +/-45 degrees, the turnover platform 1 is supported on the driven shafts 301 of the driving assembly 2 and the supporting assembly 3, so that the turnover platform 1 can be turned over by the driving of the driving assembly 2. Specifically, the driving motor 203 of the driving assembly 2 drives the driving wheel 202 to rotate in the forward direction or the reverse direction, the driving wheel 202 drives the driven wheel 201 to rotate synchronously through the chain 205, and the driven wheel 201 directly drives the overturning platform 1 to overturn.

The overturning platform 1 is within a range of +/-45 degrees, and when the overturning platform needs to stop acting at any angle, the overturning platform is braked by the braking component 4, so that the overturning platform 1 is accurately positioned at the set overturning angle. Specifically, the brake 403 is connected to the brake gear 402, and is engaged with the follower gear 401 through the brake gear 402, and the follower gear 401 is connected to the flipping platform 1, so that the flipping platform 1 can be decelerated, stopped, or maintained in a stopped state by the braking of the brake 403. At the same time of the action of the brake 403, the driving motor 203 of the driving assembly 2 can also be decelerated or stopped to match the action of the brake 403 to achieve the optimal braking effect.

As an alternative embodiment, the driving wheel 202 and the driven wheel 201 can be connected by other connection means than the chain 205, such as gear engagement or belt 206 connection.

Example 2

As shown in fig. 9, the driving assembly 2 of the turnover mechanism provided in this embodiment includes: a drive motor 203, a drive wheel 202, a belt 206, a driven wheel 201, and a tensioner.

Specifically, the motor may be a stepping motor, the driving pulley 202 and the driven pulley 201 may be synchronous pulleys, and accordingly, the belt 206 may be a synchronous belt. The tensioner 208 of the tensioner may be a smooth roller and elastically drives the belt 206 to be biased toward one side to maintain the tension of the belt 206 in a similar manner to embodiment 1.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. Tilting mechanism includes:

the overturning platform (1) is used for bearing goods;

the driving assembly (2) is connected to one end of the overturning platform (1) and is used for driving the overturning platform (1) to overturn towards at least one side;

the supporting component (3) is connected to the other end of the overturning platform (1) opposite to the driving component (2) and is used for supporting the overturning of the overturning platform (1);

it is characterized by also comprising:

the braking assembly (4) is connected with one end, close to the supporting assembly (3), of the overturning platform (1) and used for locking the overturning angle of the overturning platform (1).

2. A turnover mechanism according to claim 1 characterised in that the brake assembly (4) locks the turnover angle of the turnover platform (1) by means of a set of meshing gears.

3. A turnover mechanism according to claim 2, characterised in that the braking assembly (4) comprises:

the follow-up gear (401) is of a sector annular structure, is connected with the overturning platform (1), and rotates around the driven shaft (301) along with the overturning platform (1);

a brake gear (402) in meshed connection with the follow-up gear (401);

and the brake (403) is fixedly arranged on the brake bearing seat (404), and the driving end is connected with the brake gear (402).

4. A turnover mechanism according to claim 3, characterised in that the brake assembly (4) further includes:

the gear protection cover (405) is a sector annular structure covering the follow-up gear (401) and the brake gear (402), and is provided with a rigid cover moving along with the follow-up gear (401) and a flexible cover connected to the rigid cover.

5. A turnover mechanism as claimed in any one of claims 1 to 4, characterised in that the drive assembly (2) includes:

the driven wheel (201) is connected with the overturning platform (1) and is used for driving the overturning platform (1) to rotate around the driven shaft (301);

the driving wheel (202) is connected with the driven wheel (201) and is used for driving the driven wheel (201) to rotate along with the driving wheel (202);

and the driving motor (203) is fixedly arranged on the fixed seat (204), and the driving end is connected with the driving wheel (202).

6. A turnover mechanism according to claim 5 characterised in that the drive pulley (202) is connected to the driven pulley (201) by means of a mesh, chain (205) or belt (206).

7. A turnover mechanism as claimed in claim 6 in which the drive wheel (202) and driven wheel (201) have at least two sets in parallel.

8. A turnover mechanism according to claim 6 or 7 characterised in that the drive assembly (2) further includes:

a tensioning device that maintains elastic tension on the chain (205) or the belt (206) by an elastic member (207).

9. The canting mechanism of claim 8 wherein the tensioning device comprises:

a tensioner (208) in contact with an outer ring of the chain (205) or the belt (206) for elastically biasing the chain (205) or the belt (206) toward the inside;

the middle part of the tensioning rod (209) is connected with the tensioning wheel (208) through a pin shaft, one end of the tensioning rod (209) is hinged to the driving component (2), and the other end of the tensioning rod (209) is elastically and slidably connected to the elastic component;

elastic component, fixed connection be in on drive assembly (2), include with slide bar (210) that tensioning rod (209) are connected, and the cover establish elastic component (207) on slide bar (210), through elastic component (207) drive slide bar (210) are towards one side elastic sliding.

10. Handling device, its characterized in that includes:

an AGV trolley (5);

a turnover mechanism as claimed in any one of claims 1 to 9, provided on the AGV trolley (5).