CN209871504U - Feeding and discharging device - Google Patents

Abstract

The utility model discloses an unloader, include the material platform and the workstation that are used for realizing placing and taking out of work piece, the material platform with the workstation all is equipped with the chamber that runs through that can supply the guide rail to pass, the both ends of guide rail respectively with the material platform with the inside wall face fixed connection who runs through the chamber of workstation, be equipped with on the guide rail can be relative the gliding transport portion of guide rail, transport portion be equipped with sliding connection in the transportation body of guide rail, transportation body upside is equipped with can be relative the material platform of getting of transportation body upwards rise and whereabouts, the material platform with the platform of putting of the upside of workstation all has the confession get the material platform and rise and get the material back edge the section that the guide rail passed. The feeding and discharging device has the advantages of being high in precision and reliability on the premise that the surface of a workpiece is not damaged, and the automation degree and the working efficiency are remarkably improved.

Description

Feeding and discharging device

Technical Field

The utility model relates to a machining field, in particular to go up unloader.

Background

In the machining process, the production line, which is a very important key link in the machining process, is often crucial to the quality of the machined finished product and the production efficiency.

The production line in the prior art has high automation, but the feeding and discharging power track which is generally adopted at present adopts a roller mechanism to play a role in conveying workpieces. The rolling of the relative work piece of gyro wheel mechanism can produce the fish tail to the contact surface of work piece bottom surface, not only influences the quality of product, and transmission efficiency is low, the function is single moreover, can only realize the simple removal of work piece on the horizontal direction, and degree of automation in the machining field is lower, consequently, how can provide a transmission efficiency height, can realize the unloading device of going up that does not receive wearing and tearing to the multi-direction transmission function of work piece, is the technological problem that technical staff in the field need to solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unloader goes up, slides in order to realize carrying out the technical scheme that transports the work piece between material platform and workstation through set up guide rail and relative guide rail between material platform and workstation, under the prerequisite of guaranteeing not producing the damage to workpiece surface, has the characteristics of high accuracy, high reliability, and degree of automation and work efficiency are showing and are improving.

For realizing the above-mentioned purpose, the utility model provides an unloader, include the material platform and the workstation that are used for realizing placing and taking out of work piece, the material platform with the workstation all is equipped with the chamber that runs through that can supply the guide rail to pass, it is equipped with the through-hole to run through the chamber upside, the both ends of guide rail respectively with the material platform with the inside wall fixed connection in the chamber that runs through of workstation, it can be relative to be equipped with on the guide rail the gliding transportation portion of guide rail, transportation portion be equipped with sliding connection in the transportation body of guide rail, transportation body upside is equipped with can be relative the transportation body upwards raises and gets the material platform with the whereabouts, the material platform with the workstation has the confession get the material platform and rise and get the material back edge the section that the guide rail passed.

Preferably, the transportation portion includes the L template that is equipped with diaphragm and vertical plate, be equipped with on the diaphragm can be relative the gliding sliding assembly of guide rail, be equipped with on the vertical plate and be used for driving the transportation portion is relative the gliding power component of guide rail.

Preferably, the inner side of the transverse plate is provided with a sliding block, the inner side of the longitudinal plate is provided with a gear, the outer side of the longitudinal plate is provided with a servo motor for providing rotating power for the gear, the sliding block is clamped on the upper rail surface of the guide rail, the gear is meshed with a rack arranged on the guide rail, and when the servo motor drives the gear to rotate relative to the rack, the sliding block slides along the guide rail so as to realize the sliding of the transportation part on the guide rail.

Preferably, the inboard of diaphragm is equipped with the slider, the inboard of vertical board is equipped with the pulley of cover establishing rubber canning, the outside of vertical board is equipped with and is used for to the pulley provides rotary power's servo motor, the slider inlay card in the last rail surface of guide rail, the pulley is installed being close to in the guide rail the track of vertical board one side, works as servo motor drive the pulley is followed when the track slides, the slider is followed the guide rail slides in order to realize the transportation portion is in slide on the guide rail.

Preferably, the transportation portion further comprises an air cylinder, the air cylinder is fixed relative to the transportation portion, and the moving end of the air cylinder is connected with the material taking table so as to drive the material taking table to ascend and descend through the movement of the air cylinder.

Preferably, the material platform includes material loading platform and unloading platform, the guide rail runs through in proper order the material loading platform the workstation with the unloading platform, the both ends of guide rail are fixed respectively the material loading platform with the interior lateral wall face of unloading platform.

Preferably, the workstation includes first workstation and second workstation, the guide rail runs through in proper order the material loading platform first workstation the second workstation with the unloading platform.

Preferably, still including being located first workstation with turnover platform between the second workstation, the turnover platform is equipped with and supplies the cavity that runs through that the guide rail wore to establish, the turnover platform is equipped with the turnover platform that is used for placing the work piece, the turnover platform has and supplies get the through-hole that the material platform rises and get the material and supply and get the material platform edge the section that the guide rail passed.

Preferably, still including locating material loading platform below, right the material loading platform provides the first stand that supports, locates material unloading platform below, right the second stand that the material unloading platform provided the support, locate turnover platform below, right the third stand that the turnover platform provided the support is located first workstation below, right first workstation provides the first side platform that supports and is located second workstation below, right the second workstation provides the second side platform that supports.

Preferably, the transportation portion is including locating first transportation portion, second transportation portion, third transportation portion and the fourth transportation portion of guide rail, first transportation portion is located the material loading platform with between the first workstation, second transportation portion is located first workstation with between the turnover platform, third transportation portion is located the turnover platform with between the second workstation, fourth transportation portion is located the second workstation with between the unloading platform.

For above-mentioned background art, the utility model provides an unloader includes material platform and workstation that is used for supplying the work piece to place and take out, material platform and workstation all are equipped with and run through the chamber and are used for realizing that the guide rail runs through the setting from the below of material platform and workstation, the upside that runs through the chamber is equipped with the through-hole, the both ends difference fixed connection of guide rail is on the interior lateral wall face that runs through the chamber of material platform and workstation, be equipped with the gliding transportation body of relative guide rail on the guide rail, upside at the transportation body is equipped with the material platform of getting that can rise or fall relatively, it can supply to get the material platform to rise to get the material back and slide the section of wearing out along the guide rail to have on the mesa that material platform and workstation are used for placing the work piece, transportation portion among the device realizes through the guide rail along the slip between material platform and workstation, the mesa through material platform and workstation upside set up the through-hole and place on material platform from the through-hole and jack-up material platform or workstation with the material platform of getting of The workpiece, be used for placing the section on the mesa of work piece through material platform and workstation and make and get the material platform and can follow material platform or workstation roll-off and get into, the device is guaranteeing not having under the prerequisite of producing the damage to the workpiece surface, has the characteristics of high accuracy, high reliability, and degree of automation and work efficiency are showing and are improving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided 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;

FIG. 2 is a front view of the feeding and discharging device of FIG. 1;

FIG. 3 is a top view of the blanking apparatus of FIG. 1;

FIG. 4 is a side view of the blanking apparatus of FIG. 1;

FIG. 5 is a front view of a transport section in the loading and unloading apparatus;

fig. 6 is a side view of a transport section in the loading and unloading apparatus.

Wherein: 1-feeding table, 2-guide rail, 3-first working table, 4-second transportation part, 5-turnover working table, 6-first transportation part, 7-third transportation part, 8-second working table, 9-fourth transportation part, 10-blanking table, 111-second upright post, 112-second square table, 113-first square table, 114-first upright post, 115-third upright post, 12-material taking table, 13-air cylinder, 14-L-shaped plate, 15-sliding block, 16-servo motor and 17-gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Please refer to fig. 1 to 6, wherein fig. 1 is a schematic structural diagram of a loading and unloading device according to an embodiment of the present invention, fig. 2 is a front view of the loading and unloading device in fig. 1, fig. 3 is a top view of the loading and unloading device in fig. 1, fig. 4 is a side view of the loading and unloading device in fig. 1, fig. 5 is a schematic structural diagram of a transportation portion in the loading and unloading device, and fig. 6 is a side view of the transportation portion in the loading and unloading device.

In a specific implementation manner, the feeding and discharging device provided by this embodiment includes a material table and a workbench for placing and taking out a workpiece, the material table and the workbench are both provided with a through cavity for realizing that the guide rail 2 runs through the lower part of the material table and the workbench, the upper side of the through cavity is provided with a through hole, two ends of the guide rail 2 are respectively and fixedly connected to the inner side wall surfaces of the through cavity of the material table and the workbench, the guide rail 2 is provided with a transportation body capable of sliding relative to the guide rail 2, the upper side of the transportation body is provided with a material taking table 12 capable of upwards rising or falling relative to the transportation body so as to realize that the material taking table 12 rises upwards to place the workpiece on the table top when the transportation part is under the material table or the workbench, and the material table and the workbench are provided with a cut-off section for the material taking table 12 to rise and take out along the guide rail 2 after sliding. When the transporting part needs to transport the workpiece placed on the material table to the workbench, the transporting part slides to the penetrating cavity under the material table along the guide rail 2, the material taking table 12 of the conveying part rises upwards relative to the conveying body, the material taking table 12 penetrates out of the through hole and lifts the workpiece upwards and places the workpiece on the material taking table 12, the conveying part slides towards the workbench along the guide rail 2, the material taking table 12 moves along with the conveying part, the conveying part slides out from the lower part of the material table, the material taking table 12 leaves the material table from the section surface of the material table, when the transportation portion moves towards the workbench and slides into the through cavity below the workbench, the material taking table 12 carries the workpiece and enters the workbench from the intercepting surface of the workbench, the material taking table 12 falls relative to the transportation body to enable the workpiece to fall, the material taking table 12 falls from the upper side of the through hole to the upper side of the transportation body, the workpiece falls and is finally placed on the table top of the workbench, and the transportation of the workpiece from the material table to the workbench is realized through the processes. When the processed workpiece needs to be transported from the workbench to the material table, the sequence of the related operations performed by the loading and unloading device is essentially the same as that of the above processes, and the sequence is opposite to that of the above processes.

In this embodiment, the transportation portion includes L shaped plate 14, and this L shaped plate 14 includes along the horizontal board of transversely extending and along the vertical board of longitudinal extension, is equipped with the gliding sliding assembly of relative guide rail 2 on the horizontal board, is equipped with the power component that is used for driving the relative guide rail 2 gliding of transportation portion on the vertical board. Specifically, a slider 15 is provided on the inner side of the horizontal plate, a gear 17 is provided on the inner side of the vertical plate, and a servo motor 16 for supplying rotational power to the gear 17 is provided on the outer side of the vertical plate. The slider 15 is fitted on the upper rail surface of the guide rail 2, and the gear 17 is engaged with a rack provided in the middle of the guide rail 2 and extending in the direction of extension of the guide rail 2. When the transportation part needs to move to the lower part of the workbench from the lower part of the material table, the servo motor 16 outputs rotating power outwards and drives the gear 17 to rotate relative to the guide rail 2, under the limiting action of the rack in the guide rail 2, the transportation part slides towards the lower part of the workbench from the lower part of the material table relative to the guide rail 2, in the process, the gear 17 drives the transportation part to move, and the sliding block 15 provides supporting force in the horizontal direction and the vertical direction. It should be noted that the above-mentioned moving process is only an illustration of one moving manner of the transporting part moving from the material platform to the work platform, and other moving manners in different directions shall all fall within the scope of the present embodiment.

In another specific embodiment, a sliding block 15 is arranged on the inner side of the transverse plate, a pulley sheathed by a rubber sheath is arranged on the inner side of the longitudinal plate, a servo motor 16 for providing rotary power for the pulley is arranged on the outer side of the longitudinal plate, the sliding block 15 is embedded on the upper rail surface of the guide rail 2, and the pulley is arranged on a rail on one side of the guide rail 2 close to the longitudinal plate. In this embodiment, the outer circumference of the pulley is wrapped with a rubber wrap in order to increase the friction force of the pulley sliding relatively in the track of the guide rail 2, the pulley is relatively rotated in the track of the guide rail 2 by outputting the rotational power to the pulley by the servo motor 16, the pulley slides linearly along the track relative to the guide rail 2 by the friction force, and the transportation section slides on the guide rail 2 relative to the guide rail 2 by the driving of the pulley, that is, the friction force of the track contacting with the pulley. It should be noted that the rubber sheath provided on the outer circumference of the pulley is only one means for increasing the friction force when the pulley slides along the track of the guide rail 2, and the pulley provided in this embodiment may also achieve the same technical effects by other installation methods, such as the method of providing the surface of the pulley with twill, hole groove, and particles, but whatever the method of the pulley is adopted, the method is within the scope of the description of this embodiment.

In this embodiment, the transportation portion further includes a cylinder 13, the cylinder 13 is fixed relative to the transportation portion, and the moving end of the cylinder 13 is connected to the material taking table 12 so as to lift and fall the material taking table 12 by the extension and compression of the cylinder 13.

The utility model provides an in another kind of concrete embodiment, the material platform includes material loading platform 1 and unloading platform 10, and guide rail 2 runs through material loading platform 1, workstation and unloading platform 10 in proper order, and the both ends of guide rail 2 are fixed respectively at the inside wall face of material loading platform 1 and unloading platform 10.

The utility model provides a in another kind of specific embodiment, the workstation includes first workstation 3 and second workstation 8, and material loading platform 1, first workstation 3, second workstation 8 and unloading platform 10 are run through in proper order to guide rail 2.

The utility model provides an in another kind of concrete embodiment, still include turnover platform 5, turnover platform 5 is located on the guide rail 2 between first workstation 3 and the second workstation 8, turnover platform 5 is equipped with the chamber that runs through that can supply guide rail 2 to run through equally, the upper surface of turnover platform 5 is equipped with the turnover platform that is used for placing the work piece, be equipped with on turnover platform 5's the turnover platform and supply to get the through-hole that the material platform rises to get the material and get the material platform 12 and rise to get the section of cutting of getting the material back edge guide rail 2 slip and passing. In this embodiment, the revolving platform 5 has the same arrangement mode as the material platform and the workbench, and a transit point is added in the process of transporting the workpiece from the first workbench 3 to the second workbench 8 through the arrangement of the revolving platform 5, and for the motion relationship between the workpiece and the transporting part and the fetching and dropping of the workpiece, reference is made to the relevant processes of the material platform, the workbench and the transporting part, which are not described in detail herein.

For better technical effect, a first square platform 113 for supporting the first workbench 3 is arranged below the first workbench 3, a second square platform 112 for supporting the second workbench 8 is arranged below the feeding platform 1, similarly, a first upright column 114 for supporting the feeding platform 1 is arranged below the feeding platform 1, a second upright column 111 for supporting the blanking platform 10 is arranged below the blanking platform 10, and a third upright column 115 for supporting the turnover platform 5 is arranged below the turnover platform 5. it should be noted that the supporting component and the supported part can be fixedly connected by simple welding and can also be detachably connected by bolt connection, and whether the fixed connection or the detachable connection is adopted and which specific connection is adopted is determined according to the arrangement position of the feeding and blanking device and relevant factors in the production process, no further description is given here, but any connection method should be considered as the scope of the present embodiment.

For better technical effect, through holes with circular cross sections are arranged on the upper sides of the feeding platform 1, the discharging platform 10, the first working platform 3, the second working platform 8 and the turnover platform 5 to realize upward rising and downward falling of the material taking platform 12, annular step surfaces used for placing workpieces are arranged on the axis of the through holes downwards, cross section openings and through hole communication are arranged around the through holes along the extending direction of the guide rail 2, and cross sections are formed to realize sliding of a conveying part for loading the workpieces along the guide rail 2. It should be noted that, in this embodiment, the through hole is circular and the step surface for placing the workpiece is circular because the workpiece used in this embodiment has a circular cross-sectional shape, and in order to better match the workpiece and make the workpiece placed on the table top have better stability, the circular step surface is disposed on the table top, the bottom end of the workpiece fits the lower ring surface and the peripheral ring surface of the circular step surface, when the workpiece needs to be transported, the transporting portion moves into the through cavity, the fetching table 12 rises and passes through the circular through hole to lift the workpiece and place the workpiece on the fetching table 12, the transporting portion drives the workpiece to slide out from the through cavity, the fetching table 12 slides out from a cross-section opening communicating with the through hole, the transporting portion drives the workpiece to enter another through cavity, the fetching table 12 enters the through hole above the through cavity from a cross-section above the through cavity, the fetching table 12 falls and the fetching table 12 passes through the through hole and falls to the upper side of the transporting body, the workpiece falls to the annular step surface in the through hole, and the transportation of the workpiece is completed.

The utility model provides an in another kind of specific embodiment, transportation portion is including locating first transportation portion 6, second transportation portion 4, third transportation portion 7 and the fourth transportation portion 9 of guide rail 2, and first transportation portion 6 is located between material loading platform 1 and the first workstation 3, and second transportation portion 4 is located between first workstation 3 and turnover platform 5, and third transportation portion 7 is located between turnover platform 5 and second workstation 8, and fourth transportation portion 9 is located between second workstation 8 and unloading platform 10. For better technological effect, get material platform 12 and adopt the resin material, in order to wear out and better getting the work piece that falls from the through-hole, the cross sectional shape of getting material platform 12 sets up to radial dimension slightly less than the circular of the radial dimension of through-hole, and circular cross section just can provide better support effect and protect the work piece at this in-process for getting material platform 12 of resin material to circular cross section's work piece, can not lead to the fact the damage to the work piece because of the transportation.

In this embodiment, a workpiece is placed on the feeding table 1 by a robot or manually, the first transporting section 1 slides along the guide rail 2 into the through cavity below the feeding table 1, the cylinder 13 controls the feeding table 12 to rise upward, the feeding table 12 moves upward and passes through the through hole, the workpiece moves upward and separates on the annular step surface by the upward supporting force of the feeding table 12, the workpiece is separated from the feeding table 1 and placed on the first transporting section 1, the first transporting section 1 loads the workpiece and moves from the feeding table 1 toward the first table 3, when the first transporting section 1 enters the through cavity below the first table 3, the feeding table 12 on which the workpiece is placed enters the through hole of the first table 3 from the cross-section of the first table 3, the cylinder 13 controls the feeding table 12 to fall, the feeding table 12 moves downward and passes through the through hole, the workpiece falls to the annular step surface, the workpiece is separated from the first transporting section 6 and placed on the first table 1, the first transport unit 6 may return to the lower side of the loading table 1 to wait for a next transport job of the workpiece, or may return to the lower side of the first table 3 to wait for a transport job of the workpiece returned from the first table 3 to the loading table 1. When the workpiece does not need to be returned to the loading table 1, the first transport portion 6 slides away from the through cavity below the first table 3 toward the loading table 1. After the workpiece is machined on the first workbench 3, the second transportation part 4 slides into the through cavity below the first workbench 3, the second transportation part 4 takes the workpiece off the first workbench 3 and transports the workpiece into the through cavity below the turnover table 5, and the workpiece is placed in the annular step surface above the turnover table 5 and slides away from the turnover table 5 towards the first workbench 3 to prepare for a transportation task of a next workpiece on the first workbench 3. Third transportation portion 7 and fourth transportation portion 9 have the motion mode the same with above-mentioned motion transportation to realize that the work piece transports to turnover platform 5 after material loading platform 1 processes through first workstation 3, and transport again by turnover platform 5 to second workstation 8 and process and finally transport to unloading platform 10 and accomplish the unloading to the work piece, above-mentioned motion process decomposes and is operated by a plurality of transportation portions, and the conveying efficiency who goes up the unloading improves, has better protection effect to the work piece. It should be noted that, in this embodiment, the guide rail 2 penetrates through the feeding table 1, the first working table 3, the transferring table 5, the second working table 8 and the discharging table 10, so that the workpiece can be transversely transported on the horizontal axis of the guide rail 2, the guide rails 2 for sliding the first transporting portion 1, the second transporting portion 4, the third transporting portion 7 and the fourth transporting portion 9 can be respectively arranged between the feeding table 1, the first working table 3, the transferring table 5, the second working table 8 and the discharging table 10, and the requirement on the same axis does not need to be met among all the guide rails 2, that is, the feeding table 1, the first working table 3, the transferring table 5, the second working table 8 and the discharging table 10 are five nodes, four rails are sequentially arranged among the five nodes, and the motion requirement of the workpiece in any direction can be met according to the arrangement of the guide rail 2 in different directions, and the feeding table 1, the first working table 3, the transferring table 8 and the discharging table 10 are sequentially arranged in parallel, The arrangement positions of the turnaround table 5, the second table 8 and the blanking table 10 also have stronger applicability.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a go up unloader and introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a loading and unloading device, its characterized in that includes the material platform and the workstation that are used for realizing placing and taking out of work piece, the material platform with the workstation all is equipped with the chamber that runs through that can supply guide rail (2) to pass, it is equipped with the through-hole to run through the chamber upside, the both ends of guide rail (2) respectively with the material platform with the inside wall fixed connection in the chamber that runs through of workstation, be equipped with on guide rail (2) can be relative guide rail (2) gliding transportation portion, transportation portion be equipped with sliding connection in the transportation body of guide rail (2), transportation body upside is equipped with can be relative the transportation body upwards rises and gets material platform (12) of whereabouts, the material platform with the workstation has the confession get material platform (12) rise and get the back edge of material the section that guide rail (2) passed.

2. The loading and unloading device according to claim 1, wherein the transporting portion comprises an L-shaped plate (14) provided with a transverse plate and a longitudinal plate, the transverse plate is provided with a sliding assembly capable of sliding relative to the guide rail (2), and the longitudinal plate is provided with a power assembly for driving the transporting portion to slide relative to the guide rail (2).

3. The loading and unloading device as recited in claim 2, wherein a sliding block (15) is arranged on the inner side of the transverse plate, a gear (17) is arranged on the inner side of the longitudinal plate, a servo motor (16) for providing rotary power to the gear (17) is arranged on the outer side of the longitudinal plate, the sliding block (15) is clamped and embedded on the upper rail surface of the guide rail (2), the gear (17) is meshed with a rack arranged on the guide rail (2), and when the servo motor (16) drives the gear (17) to rotate relative to the rack, the sliding block (15) slides along the guide rail (2) to realize the sliding of the transportation part on the guide rail (2).

4. The loading and unloading device as recited in claim 2, wherein a sliding block (15) is disposed on the inner side of the horizontal plate, a pulley covered with a rubber sheath is disposed on the inner side of the vertical plate, a servo motor (16) for providing rotary power to the pulley is disposed on the outer side of the vertical plate, the sliding block (15) is embedded on the upper rail surface of the guide rail (2), the pulley is disposed on a rail of the guide rail (2) close to one side of the vertical plate, and when the servo motor (16) drives the pulley to slide along the rail, the sliding block (15) slides along the guide rail (2) to realize the sliding of the transportation portion on the guide rail (2).

5. The loading and unloading device as recited in claim 2, wherein the transportation portion further comprises a cylinder (13), the cylinder (13) is fixed relative to the transportation portion, and a moving end of the cylinder (13) is connected with the material taking table (12) so as to realize the lifting and falling of the material taking table (12) driven by the movement of the cylinder (13).

6. The loading and unloading device according to any one of claims 1 to 5, wherein the material platform comprises a loading platform (1) and an unloading platform (10), the guide rail (2) sequentially penetrates through the loading platform (1), the workbench and the unloading platform (10), and two ends of the guide rail (2) are respectively fixed on inner side wall surfaces of the loading platform (1) and the unloading platform (10).

7. The loading and unloading device according to claim 6, wherein the workbench comprises a first workbench (3) and a second workbench (8), and the guide rail (2) sequentially penetrates through the loading platform (1), the first workbench (3), the second workbench (8) and the unloading platform (10).

8. The loading and unloading device according to claim 7, further comprising a turnover table (5) located between the first working table (3) and the second working table (8), wherein the turnover table (5) is provided with a through cavity for the guide rail (2) to penetrate through, the turnover table (5) is provided with a turnover platform for placing a workpiece, and the turnover platform is provided with a through hole for the material taking table (12) to ascend and take materials and a section plane for the material taking table (12) to penetrate along the guide rail (2).

9. The loading and unloading device according to claim 8, further comprising a first upright column (114) disposed below the loading platform (1) and supporting the loading platform (1), a second upright column (111) disposed below the unloading platform (10) and supporting the unloading platform (10), a third upright column (115) disposed below the revolving platform (5) and supporting the revolving platform (5), a first square platform (113) disposed below the first workbench (3) and supporting the first workbench (3), and a second square platform (112) disposed below the second workbench (8) and supporting the second workbench (8).

10. The loading and unloading device according to claim 8, wherein the transportation portion includes a first transportation portion (6), a second transportation portion (4), a third transportation portion (7) and a fourth transportation portion (9) which are provided on the guide rail (2), the first transportation portion (6) is provided between the loading table (1) and the first workbench (3), the second transportation portion (4) is provided between the first workbench (3) and the turnover table (5), the third transportation portion (7) is provided between the turnover table (5) and the second workbench (8), and the fourth transportation portion (9) is provided between the second workbench (8) and the unloading table (10).