CN215478309U

CN215478309U - Loading and unloading device

Info

Publication number: CN215478309U
Application number: CN202121237153.XU
Authority: CN
Inventors: 董清世; 于洪广; 张艳楠
Original assignee: Xinyi Automobile Parts Tianjin Co ltd
Current assignee: Xinyi Automobile Parts Tianjin Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-11
Anticipated expiration: 2031-06-03

Abstract

The utility model is suitable for the technical field of deep processing of automobile glass, and provides a loading and unloading device which comprises a base and a telescopic support rotatably arranged on the base, wherein the telescopic support is provided with a bearing surface for bearing sheet materials, and can be switched between an inclined state that the bearing surface and a horizontal plane form a preset included angle and one end of the telescopic support is close to the ground and a horizontal state that the bearing surface is parallel to the horizontal plane; the telescopic bracket is provided with a first limiting piece used for limiting the sheet material on the bearing surface when the telescopic bracket is in an inclined state; the telescopic support comprises a first support body which is rotatably connected to the base and a second support body which is arranged on the first support body in a sliding manner along a first direction; the bearing surface and the first limiting piece are both positioned on the second frame body. The feeding and discharging device provided by the utility model well solves the problem of feeding and discharging of the sheet materials, and reduces the labor cost, labor intensity and potential safety hazard of sheet material transportation.

Description

Loading and unloading device

Technical Field

The utility model belongs to the technical field of automobile glass deep processing, and particularly relates to a loading and unloading device.

Background

Because glass is fragile, automobile glass often takes place the breakage especially in the unloading transport link of forming process in the production course of working. At present, the automobile glass is generally conveyed manually. By adopting the carrying mode, carrying of small common glass can be easily completed, but when large glass is encountered, great care is needed, sometimes four persons are needed to carry the glass together, and the glass is damaged and/or carrying personnel are injured due to slight carelessness, so that potential safety hazards exist.

In the carrying process, both the sheet feeding process and the sheet discharging process of the forming tool are manually operated. Several people are needed for matching, and the glass is lifted up and slowly laid horizontally in the sheet feeding process, and is transferred to the upper part of the forming tool to fall down. After the glass is processed on the forming tool, the sheet discharging process is reverse operation, and several people lift the glass firstly, slowly stand the glass, place the glass on a turnover frame, and cushion the glass with wood blocks for protection. The glass is very easy to scratch and damage in the process.

In addition, other sheet products (hereinafter referred to as sheet materials) also have the above problems, so that there is an urgent need to develop a mechanical device capable of quickly and safely realizing the feeding and discharging functions of the sheet materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding and discharging device, and aims to solve the technical problem that mechanical equipment capable of quickly and safely realizing the feeding and discharging functions of sheet materials is lacked in the prior art.

The utility model is realized in such a way that the loading and unloading device comprises a base and a telescopic support rotatably arranged on the base, wherein the telescopic support is provided with a bearing surface for bearing sheet materials, and can be switched between an inclined state that the bearing surface and a horizontal plane form a preset included angle and one end of the telescopic support is close to the ground and a horizontal state that the bearing surface is parallel to the horizontal plane; the telescopic support is provided with a first limiting piece used for limiting the sheet material on the bearing surface when the telescopic support is in an inclined state.

In an alternative embodiment, the telescopic bracket comprises a first bracket body rotatably connected to the base, and a second bracket body arranged on the first bracket body in a sliding manner along a first direction; the bearing surface and the first limiting piece are both located on the second frame body.

In an optional embodiment, the telescopic bracket further comprises a positioning mechanism for locking the relative position of the second frame body and the first frame body when the second frame body slides to the position.

In an alternative embodiment, the positioning mechanism includes a connector that is threaded to the first frame and the second frame, respectively.

In an optional embodiment, the first frame body and the second frame body are respectively a U-shaped frame, and a sliding groove for the second frame body to slide is formed on the inner wall of the first frame body; and threaded holes for the connecting piece to pass through are respectively formed in the transverse part of the first frame body and the transverse part of the second frame body.

In an optional embodiment, the second frame body is provided with a rolling piece which is used for rolling and contacting with the inner wall of the chute; the second frame body is provided with a plurality of cushion blocks for supporting the sheet materials, and the bearing surfaces are formed by the surfaces, in contact with the sheet materials, of the cushion blocks in a combined mode.

In an optional embodiment, the first limiting member is detachably mounted on the second frame body; the telescopic support further comprises a telescopic driving mechanism used for driving the second support body to slide relative to the first support body.

In an alternative embodiment, the base bottom has a walking mechanism; the feeding and discharging device further comprises a rotation driving mechanism for driving the telescopic support to rotate relative to the base.

In an optional embodiment, a second limiting member is disposed on the base for supporting the first frame when the first frame rotates to the horizontal state.

In an optional embodiment, a detection mechanism for sensing whether the first frame body rotates in place is disposed on the base or the second limiting member.

Compared with the prior art, the utility model has the technical effects that: the feeding and discharging device provided by the embodiment of the utility model is provided with the telescopic support rotatably arranged on the base, the telescopic support not only has a telescopic function, but also can be switched between an inclined state suitable for conveying the sheet materials onto the telescopic support and a horizontal state suitable for stably moving the sheet materials, the problem of feeding and discharging the sheet materials is theoretically solved well, the labor cost, the labor intensity and the potential safety hazard of sheet material conveying are reduced, meanwhile, the risk of damage of the sheet materials in the feeding and discharging conveying process is reduced, the feeding and discharging device can be widely applied to the production molding processing links of automobile glass, and can also be applied to the feeding and discharging processes of other sheet products, the device is safe, practical and simple to operate, the trouble that the sheet materials are inconvenient to operate in a high-temperature state is avoided, the yield and the production efficiency of the products are effectively improved, and the market competitiveness of the products is increased.

Drawings

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

Fig. 1 is a schematic structural view of a loading and unloading device provided in an embodiment of the present invention when a telescopic bracket is in an inclined state;

fig. 2 is a schematic structural view of the loading and unloading device according to the embodiment of the present invention when the telescopic bracket is in a horizontal state;

fig. 3 is a schematic structural view of the loading and unloading device according to the embodiment of the present invention when the telescopic bracket is in a horizontal state and an extended state;

fig. 4 is a schematic view of a connection structure of rolling members employed in the embodiment of the present invention.

Description of reference numerals:

100. a base; 110. a rectangular frame; 120. erecting a rod; 130. a connecting beam; 140. reinforcing ribs; 200. a telescopic bracket; 210. a first frame body; 220. a second frame body; 230. a first limit piece; 240. a connecting member; 250. A chute; 260. a threaded hole; 270. a rolling member; 280. cushion blocks; 290. a telescopic driving mechanism; 300. a traveling mechanism; 310. a driving wheel set; 311. a driving wheel; 312. a drive shaft; 320. a driven wheel set; 321. a driven wheel; 322. a driven shaft; 330. a travel drive mechanism; 400. a rotation driving mechanism; 410. a rotating power mechanism; 420. a transmission member; 500. a second limiting member; 600. a detection mechanism; a. a first direction.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 3, in an embodiment of the present invention, a loading and unloading apparatus is provided, which includes a base 100 and a telescopic bracket 200 rotatably mounted on the base 100. Specifically, the base 100 may be a frame body formed by welding a plurality of steel materials such as steel bars and angle steels, or a vehicle body assembled by a plurality of rod bodies and plate bodies, or may be made of other materials and forms, as long as the requirements of sheet transportation can be met, and the base is not limited uniquely here. The telescopic bracket 200 has a carrying surface for carrying the sheet. The bearing surface is a surface of the telescopic bracket 200 contacting with the glass, and is generally a plane. The sheet material can be glass or other sheet-shaped articles. The telescopic bracket 200 can be switched between an inclined state in which the bearing surface and the horizontal plane form a preset included angle and one end of the inclined state is close to the ground and a horizontal state in which the bearing surface is parallel to the horizontal plane. The preset included angle is any one of acute angles, and can be specifically set according to use requirements, and is not limited herein. When the telescopic bracket 200 is in an inclined state, the telescopic bracket 200 forms a certain included angle with the horizontal plane, and the bottom end of the telescopic bracket is close to the ground, so that the sheet feeding or discharging operation of the sheet materials is facilitated; when the telescopic bracket 200 is in a horizontal state, the sheet materials can be kept in the horizontal state, so that the sheet materials can be stably placed or smoothly transported.

The telescopic bracket 200 is provided with a first limiting member for limiting the sheet material on the bearing surface when the telescopic bracket 200 is in an inclined state. The first limiting member 230 may be a stopper, a clamp, or the like mounted on the telescopic bracket 200, and is not limited thereto as long as the above-described function is achieved. It should be noted that the term "restricting the sheet material on the carrying surface" does not mean fixing the position of the sheet material and the carrying surface, and the sheet material can move relative to each other, such as relative sliding, as long as the sheet material does not slide off the carrying surface.

The operation of conveying the sheet material by using the feeding and discharging device provided by the embodiment of the utility model is as follows:

in the initial state, the telescopic bracket 200 is in a contracted state, and the entire length thereof is short. When workers need to use the device for feeding sheets, the integral device is moved to the front of a sheet storage rack, then the telescopic support 200 is rotated to an inclined state, the sheets on the sheet storage rack are placed on the telescopic support 200, then the telescopic support 200 is rotated to a horizontal state, the next operation is waited, or the feeding and discharging device is conveyed to the next station, such as a sheet forming station. Then the telescopic bracket 200 is adjusted to be in an extension state, the sheet materials are pushed to the sheet connecting range of the sheet connecting device at the station, and then the sheet connecting device takes away the sheet materials on the telescopic bracket 200. The telescopic bracket 200 is adjusted to the contracted state, and the loading and unloading device is moved away from the station.

When the sheet discharging operation is carried out, the feeding and discharging device is placed at a designated position, the telescopic support 200 is adjusted to be in an extension state, the extension part of the telescopic support extends into the sheet placing range of the station sheet receiving device, then the sheet receiving device is controlled to place processed sheet materials on the telescopic support 200, the telescopic support 200 is adjusted to be in a contraction state, the device is moved to a station where the sheet material turnover frame is located, the telescopic support 200 is rotated to be in an inclined state, and the sheet materials are conveyed to the sheet material turnover frame. And then the above operation is circulated.

The feeding and discharging device provided by the embodiment of the utility model is characterized in that the telescopic support 200 is rotatably arranged on the base 100, the telescopic support 200 not only has a telescopic function, but also can be switched between an inclined state suitable for conveying the sheet material to the telescopic support 200 and a horizontal state suitable for stably moving the sheet material, the problem of feeding and discharging the sheet material is theoretically solved well, the labor cost, the labor intensity and the potential safety hazard of sheet material conveying are reduced, meanwhile, the risk of damage of the sheet material in the feeding and discharging conveying process is reduced, the feeding and discharging device can be widely applied to the production molding processing link of automobile glass, and can also be applied to the feeding and discharging process of other sheet products, the device is safe, practical and simple to operate, the trouble that the sheet material is inconvenient to operate in a high-temperature state is avoided, the yield and the production efficiency of the product are effectively improved, and the market competitiveness of the product is increased.

Referring to fig. 1 to 3, in an alternative embodiment, the telescopic bracket 200 includes a first bracket 210 rotatably connected to the base 100, and a second bracket 220 slidably disposed on the first bracket 210 along a first direction a. The first direction a may be a length direction, a width direction, or other directions of the first frame body 210, and may be set according to usage requirements, which is not limited herein. In this embodiment, the first frame 210 may be directly connected to the base 100, or may be rotatably connected to the base 100 by a connecting member. In addition, a rotating seat capable of rotating relative to the base 100 may be disposed on the base 100, and the telescopic bracket 200 may be placed on the rotating seat, so as to realize the rotating connection between the first frame body 210 and the base 100.

The bearing surface and the first retaining member 230 are both located on the second frame 220, that is, the second frame 220 is used for supporting the sheet material. The telescopic bracket 200 adopts the structure provided by the embodiment, and has simple structure and convenient use.

Referring to fig. 1 to 3, in an alternative embodiment, the telescopic bracket 200 further includes a positioning mechanism for locking the relative position of the second frame 220 and the first frame 210 when the second frame 220 slides to a certain position. The positioning mechanism may be a bolt, a magnetic member, a plug member, and other locking structures or member bodies detachably connected to the first frame 210 and the second frame 220, as long as the above functions are achieved, and is not limited herein. The positioning mechanism may have a locking function when the second frame body 220 slides to a certain position, or may have a locking function when the second frame body 220 slides to any position, and may be set according to the use requirement, which is not limited herein. The positioning mechanism is arranged to enable a user to fix the positions of the first frame body 210 and the second frame body 220 when the telescopic support 200 is required to be maintained at a fixed length, so that the second frame body 220 is prevented from moving randomly, and the use convenience of the feeding and discharging device is improved.

In an alternative embodiment, the positioning mechanism includes a connector 240 threadedly coupled to each of the first and

second housings

210 and 220. Specifically, when the positioning mechanism locks the first frame body 210 and the second frame body 220, the first frame body 210 and the second frame body 220 can move synchronously, the positioning mechanism is loosened, and the second frame body 220 can move relative to the first frame body 210. The connecting member 240 may be a bolt, a screw, or other members capable of performing the above functions, and is not limited herein. By adopting the connecting piece 240, the detachable connection between the connecting piece 240 and the first frame body 210 and the detachable connection between the connecting piece 240 and the second frame body 220 can be realized, so that an operator can flexibly select whether to use the positioning mechanism according to the use requirement, and the worn positioning mechanism can be replaced conveniently.

Referring to fig. 3 and 4, in an embodiment, the first frame 210 and the second frame 220 are respectively U-shaped frames, and a sliding slot 250 for the second frame 220 to slide is formed on an inner wall of the first frame 210. In this embodiment, the sliding grooves 250 may be formed on only two opposite longitudinal bars of the first frame 210, or may be U-shaped grooves, which is not limited herein. Threaded holes 260 for the connection member 240 to pass through are respectively formed on the transverse portion of the first frame body 210 and the transverse portion of the second frame body 220. The transverse portion is a connecting portion between the first frame body 210 and the second frame body 220 to connect two longitudinal bars disposed opposite to each other. The connecting member 240 is installed at the transverse portions of the first frame body 210 and the second frame body 220, so that the connecting member 240 can be used only when the telescopic bracket 200 is in a contracted state, and then the telescopic bracket 200 is in an inclined state, and is converted from a horizontal state to an inclined state, or when the telescopic bracket 200 is converted from an inclined state to a horizontal state, the length of the telescopic bracket 200 is in a fixed state, thereby ensuring stable and efficient operation of corresponding operations.

Referring to fig. 3 and 4, in an alternative embodiment, the second frame 220 is provided with a rolling member 270 in rolling contact with an inner wall of the sliding groove 250 to reduce friction between the second frame 220 and the first frame 210 when the second frame 220 moves relative to the first frame 210. The rolling member 270 in this embodiment may be a roller, a cylinder, etc. and is connected to a surface of the second frame 220 connected to the inner wall of the sliding groove 250 through a connecting rod, or other structures may be adopted as long as the above-mentioned functions are achieved, which is not limited herein.

In an alternative embodiment, the first limiting member 230 is detachably mounted on the second frame 220. Thus, after the telescopic bracket 200 is converted from the inclined state to the horizontal state, the first limiting member 230 can be detached from the second bracket body 220, so as to avoid the adverse effect of the installation of the first limiting member 230 on the subsequent operation, and the user can conveniently maintain or replace the first limiting member 230 according to the requirement.

The second frame 220 is provided with a pad 280 for supporting the sheet. The pad 280 described herein may be made of a material suitable for contact with the sheet material, such as rubber material, plastic, resin, etc. The plurality of blocks 280 are typically provided, and the surfaces of the plurality of blocks 280 that contact the sheet material combine to form a bearing surface. The arrangement of the cushion block 280 prevents the sheet material from directly contacting the second frame body 220, reduces the contact area between the sheet material and the telescopic bracket 200, reduces the risk of abrasion of the sheet material in the carrying process, and ensures high yield of products.

To facilitate the movement of the loading and unloading device between different stations, referring to fig. 1 to 3, in an alternative embodiment, the base 100 has a walking mechanism 300 at the bottom. The walking mechanism 300 may be an unpowered walking mechanism 300 consisting of only a few rollers arranged at intervals, or an electric walking mechanism 300 with a power mechanism, and is not limited herein. When the traveling mechanism 300 samples the electric traveling mechanism 300, the accurate control of the moving distance of the feeding and discharging device can be realized, and other tooling equipment is prevented from being collided in the moving process.

In an alternative embodiment, the traveling mechanism 300 includes a driving wheel set 310, a driven wheel set 320 and a traveling driving mechanism 330, the driving wheel set 310 includes two driving wheels 311 disposed on two sides of the base 100 and a driving shaft 312 connecting the two driving wheels 311, and the driven wheel set 320 includes two driven wheels 321 disposed on two sides of the base 100 and a driven shaft 322 connecting the two driven wheels 321. The travel driving mechanism 330 is connected to the drive shaft 312. Specifically, the traveling driving mechanism 330 includes a motor installed on the base 100, and a transmission member connecting an output shaft of the motor and the driving shaft 312, and the transmission member may include a chain, a transmission wheel, and other components, as long as power transmission between the output shaft of the motor and the driving shaft 312 can be achieved, which is not limited herein.

During the use, can lay the track subaerial, make the gyro wheel along rail-engaging to make unloader can be according to presetting the orbit walking, realize accurate location. The roller can adopt a structure with a groove, and can also adopt other structures, which are not limited only here.

To further relieve labor and improve the automation degree of the loading and unloading device, referring to fig. 1 to 3, in an alternative embodiment, the telescopic bracket 200 further includes a telescopic driving mechanism 290 for driving the second frame 220 to slide relative to the first frame 210. The telescopic driving mechanism 290 may be a cylinder, a hydraulic cylinder, etc., as long as it can drive the second frame body 220 to slide relative to the first frame body 210, and is not limited herein. The feeding and discharging device provided by the embodiment effectively utilizes a mechanical automation device to solve the operation flow of feeding and discharging of the sheet materials, and further improves the production efficiency of the sheet materials.

To further relieve labor and improve the automation of the loading and unloading device, in an alternative embodiment, the loading and unloading device further includes a rotation driving mechanism 400 for driving the first frame 210 to rotate relative to the base 100. Specifically, the rotation driving mechanism 400 includes a rotation power mechanism 410 and a transmission member 420 for driving and connecting the rotation power mechanism 410 and the telescopic bracket 200. The feeding and discharging device provided by the embodiment effectively utilizes a mechanical automation device to solve the operation flow of feeding and discharging of the sheet materials, and further improves the production efficiency of the sheet materials.

In an alternative embodiment, the rotational driving mechanism 400 includes a motor, and a steering gear connected to an output end of the motor, and an output end of the steering gear is connected to the telescopic bracket 200. Meanwhile, in order to ensure the stability of the operation of the rotation driving mechanism 400, a bearing seat for supporting the output end of the steering transmission mechanism is installed on the base 100, and the output end of the steering transmission mechanism is rotatably connected to the bearing seat through a bearing. Of course, in other embodiments, the rotation driving mechanism 400 may have other structures as long as it can drive the first frame 210 to rotate relative to the base 100, and is not limited herein.

Referring to fig. 1, in an alternative embodiment, the base 100 includes a rectangular frame 110 and four vertical rods 120 installed at four corners of the rectangular frame 110, the first frame 210 is rotatably installed on the two vertical rods 120 which are oppositely disposed, and the middle portions of the two vertical rods 120 installed with the first frame 210 are connected through a connecting beam 130 and are respectively connected with the rectangular frame 110 through reinforcing ribs 140, so as to enhance the mechanical strength of the corresponding vertical rods 120, avoid bending, and further ensure the stability of the overall structure of the loading and unloading apparatus. Further, the rectangular frame 110 is formed by welding at least two cross members and at least two longitudinal members. And is provided with an installation position for installing the traveling driving mechanism 330.

Specifically, in an alternative embodiment, a mounting plate is mounted on the mounting position, and the travel driving mechanism 330 is fixed to the mounting plate by bolts.

In order to avoid over-rotation of the telescopic bracket 200, referring to fig. 1 to 3, in an alternative embodiment, the base 100 is provided with a second limiting member 500 for supporting the first frame 210 when the first frame 210 rotates to the horizontal state.

Specifically, the second limiting member 500 may be a support rod, a support plate, etc. welded or fixed to the base 100 in other ways, as long as the above-mentioned functions can be achieved, and is not limited herein.

To solve the problem that after the telescopic bracket 200 rotates to the horizontal state, the second limiting member 500 is located below the first frame body, and it cannot be observed from above the telescopic bracket 200 whether the telescopic bracket 200 rotates in place, in an alternative embodiment, the base 100 or the second limiting member 500 is provided with a detection mechanism 600 for sensing whether the first frame body rotates in place. The detection mechanism 600 may be a photoelectric distance measuring mechanism, a magnetic induction device, etc., as long as the above functions are achieved, and is not limited herein.

In an alternative embodiment, the first frame 210 is a metal frame, and the detecting mechanism 600 includes a magnetic sensing device, such as a magnetic signal switch, a magnetic sensing sensor, etc., fixedly mounted on the second limiting member 500.

In an optional embodiment, the loading and unloading device further includes a control device electrically connected to the detection mechanism 600, and a display device or an alarm device electrically connected to the control device. The control device is used for receiving detection signals of the detection mechanism 600 and sending signals to the display device or the alarm device according to the detection signals, so that an operator can know detection results through the display device or the alarm device, and the stability of operation in the sheet material carrying process is further ensured.

For convenience of understanding, a specific flow of the sheet material loading and unloading operation when the loading and unloading device provided in this embodiment is used for a forming process will be described by taking a specific embodiment as an example, in this embodiment, the loading and unloading device includes a traveling mechanism 300, a telescopic driving mechanism 290, and a rotary driving mechanism 400:

when the workman need use this device to go up the piece, rotate into certain angle with telescopic bracket 200 earlier, telescopic bracket 200 is in the shrink state this moment, and fixes through positioning mechanism. The whole device is moved to the front of the sheet storage rack, the flat sheet is leaned on the cushion block 280, and the lower part of the flat sheet is abutted with the first limiting piece 230 arranged on the second rack body 220 to prevent the sheet from sliding off. Then, the telescopic bracket 200 is restored to the horizontal state by rotating the driving mechanism 400, and the first stopper 230 is removed. The apparatus is driven by a travel drive mechanism 330 to move adjacent to the molding apparatus. Because the structure and position of the forming die limit the device not to be too close to the apparatus, the second frame 220 can push the sheet material forward under the push of the telescopic driving mechanism 290. The lifting sheet receiving device on the forming device is lifted to receive the sheet material. The second frame 220 is then driven by the telescopic driving mechanism 290 to return to its original position, and the apparatus is moved out of the working position by the walking driving mechanism 330.

When the sheet material is processed in the forming equipment, the device is prepared and the lifting sheet receiving device on the forming equipment is lifted; the walking driving mechanism 330 drives the device to move to the vicinity of the forming equipment, so that the second frame body 220 slides outwards to move to the position below the lifting sheet receiving device, the lifting sheet receiving device falls down, the formed sheet material falls on the cushion block 280 on the second frame body 220, then the second frame body 220 is adjusted to be in a contraction state and is fixed through the positioning mechanism, and then the device moves backwards to be withdrawn from the station of the forming equipment. After a certain distance, the telescopic bracket 200 is rotated to an inclined state to prepare for transferring the sheet material to a sheet material turnover frame on the spot. The next cycle of operation is performed.

The foregoing is considered as illustrative only of the preferred embodiments of the utility model, and is presented merely for purposes of illustration and description of the principles of the utility model and is not intended to limit the scope of the utility model in any way. Any modifications, equivalents and improvements made within the spirit and principles of the utility model and other embodiments of the utility model without the creative effort of those skilled in the art are included in the protection scope of the utility model based on the explanation here.

Claims

1. A loading and unloading device is characterized by comprising a base and a telescopic support rotatably mounted on the base, wherein the telescopic support is provided with a bearing surface for bearing sheet materials, and can be switched between an inclined state that the bearing surface and a horizontal plane form a preset included angle and one end of the bearing surface is close to the ground and a horizontal state that the bearing surface is parallel to the horizontal plane; the telescopic support is provided with a first limiting piece used for limiting the sheet material on the bearing surface when the telescopic support is in an inclined state.

2. The loading and unloading device as recited in claim 1, wherein the telescopic bracket includes a first bracket body rotatably connected to the base, and a second bracket body slidably disposed on the first bracket body in a first direction; the bearing surface and the first limiting piece are both located on the second frame body.

3. The loading and unloading device as recited in claim 2, wherein the telescopic bracket further comprises a positioning mechanism for locking the relative position of the second frame body and the first frame body when the second frame body slides in place.

4. The loading and unloading device according to claim 3, wherein the positioning mechanism comprises a connecting member in threaded connection with the first frame body and the second frame body respectively.

5. The loading and unloading device as claimed in claim 4, wherein the first frame body and the second frame body are respectively U-shaped frames, and a sliding groove for the second frame body to slide is formed on the inner wall of the first frame body; and threaded holes for the connecting piece to pass through are respectively formed in the transverse part of the first frame body and the transverse part of the second frame body.

6. The loading and unloading device as claimed in claim 5, wherein the second frame body is provided with a rolling member for rolling contact with the inner wall of the chute; the second frame body is provided with a plurality of cushion blocks for supporting the sheet materials, and the bearing surfaces are formed by the surfaces, in contact with the sheet materials, of the cushion blocks in a combined mode.

7. The loading and unloading device according to any one of claims 2-6, wherein the first retaining member is detachably mounted on the second frame body; the telescopic support further comprises a telescopic driving mechanism used for driving the second support body to slide relative to the first support body.

8. The loading and unloading device as claimed in any one of claims 1 to 6, wherein the base has a running mechanism at the bottom; the feeding and discharging device further comprises a rotation driving mechanism for driving the telescopic support to rotate relative to the base.

9. The loading and unloading device as recited in claim 8, wherein the base is provided with a second stopper for supporting the telescopic bracket when the telescopic bracket is rotated to the horizontal state.

10. The loading and unloading device as claimed in claim 9, wherein a detection mechanism for sensing whether the telescopic bracket rotates in place is provided on the base or the second limiting member.