CN213857715U - Inner container material tray - Google Patents

Abstract

The embodiment of the utility model provides an inner container material tray, which comprises a material tray bottom plate, wherein a front plate placing area, a rear plate placing area, an upper coaming placing area and a lower coaming placing area are formed on one surface of the material tray bottom plate; the charging tray bottom plate is provided with a front plate positioning structure, a rear plate positioning structure, an upper coaming positioning structure and a lower coaming positioning structure. The embodiment of the utility model provides a liner material dish can let front bezel and back plate front side charging tray bottom plate place dorsad, and lets go up the bounding wall and upright place with lower bounding wall, places the in-process in welding station department through the inner bag material of handling device on with liner material dish like this, and handling device need not the upset inner bag material, simplifies handling device's action mode.

Description

Inner container material tray

Technical Field

The utility model relates to a welding equipment technical field especially relates to a inner bag material dish.

Background

The inner container is an important component of a steam box, an oven, a microwave oven and the like, and is generally formed by welding a front plate, a rear plate and a cylindrical coaming, wherein the cylindrical coaming is mostly formed by welding an upper coaming and a U-shaped lower coaming. The existing inner container process mainly adopts manual welding, and has the problem that the welding efficiency and the welding quality cannot be effectively guaranteed.

In view of this, the applicant has designed a liner welding line which is a professional welding line that is fully automated. The inner container welding production line comprises a conveying device and a carrying device, wherein inner container materials are usually placed on a material tray, the material tray with the inner container materials placed is conveyed to each welding station through the conveying device, the inner container materials on the material tray are picked up through the carrying device, and the inner container materials are placed at the corresponding welding stations respectively. In the design process of the liner welding production line, the applicant finds out how to optimize the placing mode of liner materials on the material tray so as to simplify the action of the carrying device, and therefore the problem that the carrying device is convenient to take and place the liner materials is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an inner bag material dish aims at optimizing the mode of placing of inner bag material on the charging tray to simplify handling device's action, thereby be convenient for handling device gets puts the inner bag material.

The embodiment of the utility model provides an inner container material tray, which comprises a material tray bottom plate, wherein a front plate placing area, a rear plate placing area, an upper coaming placing area and a lower coaming placing area are formed on one surface of the material tray bottom plate;

a front plate positioning structure is arranged on the tray bottom plate corresponding to the front plate placing area and used for positioning the front plate in the front plate placing area, and the front side of the front plate is opposite to the tray bottom plate;

a rear plate positioning structure is arranged on the tray bottom plate corresponding to the rear plate placing area and used for positioning the rear plate in the rear plate placing area, and the front surface of the rear plate is opposite to the tray bottom plate;

an upper enclosing plate positioning structure is arranged on the tray bottom plate corresponding to the upper enclosing plate placing area and used for vertically positioning the upper enclosing plate in the upper enclosing plate placing area;

the material tray bottom plate is provided with a lower enclosing plate positioning structure corresponding to the lower enclosing plate placing area, and the lower enclosing plate positioning structure is used for vertically positioning the lower enclosing plate in the lower enclosing plate placing area.

According to the utility model discloses a liner material dish, the district is placed to the back plate go up the bounding wall place the district with the district is placed to the lower bounding wall is located the same one side in district is placed to the front panel, the lower bounding wall is placed the district around locating the periphery in district is placed to the back plate.

According to the liner material tray provided by the embodiment of the utility model, the plate surface of the tray bottom plate, on which the front plate placing area is formed, comprises two first boundaries which are spaced;

the front plate placing area is arranged close to one of the two first boundaries, the rear plate placing area, the upper coaming placing area and the lower coaming placing area are arranged close to the other one of the two first boundaries, and the upper coaming placing area and the lower coaming placing area are spaced in a direction parallel to the first boundaries;

the front plate positioning structure is arranged to enable a long side end of the front plate to be parallel to the first boundary, the rear plate positioning structure is arranged to enable a short side end of the rear plate to be parallel to the first boundary, the upper enclosing plate positioning structure is arranged to enable a butt joint of the upper enclosing plate to face the rear plate placing area, and the lower enclosing plate positioning structure is arranged to enable a butt joint of the lower enclosing plate to face the front plate placing area.

According to the utility model discloses a liner material dish, the front bezel location structure includes first front bezel dog, second front bezel dog and third front bezel dog, first front bezel dog and the second front bezel dog are used for respectively abutting two adjacent inside walls of the opening of the front bezel, the part of third front bezel dog is used for stretching into the mounting hole of the front bezel, in order to carry on the spacing to the front bezel in the direction from the mounting hole of the front bezel to the opening; and/or the presence of a gas in the gas,

the front plate positioning structure comprises a front plate supporting block positioned in the front plate placing area, and the front plate supporting block is used for being abutted against the reverse side of the front plate.

According to the liner material tray provided by the embodiment of the utility model, the rear plate positioning structure comprises four rear plate stoppers which are positioned outside the rear plate placing area and are respectively abutted against two long side ends and two short side ends of the rear plate; and/or the presence of a gas in the gas,

the rear plate positioning structure comprises a rear plate supporting block positioned in the rear plate placing area, and the rear plate supporting block is used for being abutted against the reverse side of the rear plate.

According to the liner material tray provided by the embodiment of the utility model, the upper surrounding plate positioning structure comprises two upper surrounding plate clamping blocks, the two upper surrounding plate clamping blocks are used for respectively abutting against two plate surfaces of an upper surrounding plate, and the two upper surrounding plate clamping blocks are opposite in interval so as to form a clamping groove between the two upper surrounding plate clamping blocks; and/or;

the upper enclosing plate positioning structure comprises two upper enclosing plate check blocks, and the two upper enclosing plate check blocks are used for abutting against the same surface of the upper enclosing plate and abutting against two folding edges of the upper enclosing plate.

According to the utility model discloses an inner bag material dish of embodiment, down the bounding wall location structure include down the bounding wall clamp splice right, down the bounding wall clamp splice to including two down the bounding wall clamp splice, two down the bounding wall clamp splice is used for two faces of bounding wall under the butt respectively, two down bounding wall clamp splice interval is relative, with two form the double-layered groove between the lower bounding wall clamp splice, down the bounding wall clamp splice is to following the extending direction in district is placed to lower bounding wall is provided with the multiunit.

According to the utility model discloses an inner bag material tray, the multiunit down the bounding wall clamp splice centering include under two sets of first bounding wall clamp splice to and two sets of second bounding wall clamp splice right, two sets of first bounding wall clamp splice is close to the butt joint department of bounding wall down to the both sides wall that is used for the fixed bounding wall of centre gripping respectively, and is two sets of under the second bounding wall clamp splice is close to both sides wall department to the diapire that is used for the fixed bounding wall of centre gripping respectively.

According to the inner container material tray provided by the embodiment of the utility model, the upper enclosing plate placing area is internally provided with a first pressure sensor which is used for being contacted with the upper enclosing plate; and/or the presence of a gas in the gas,

and a second pressure sensor used for being in contact with the lower enclosing plate is arranged in the lower enclosing plate placing area.

According to the utility model discloses an inner bag material dish of embodiment, the charging tray bottom plate is square board, each corner of charging tray bottom plate be provided with can follow with the face vertically axis pivoted truckle of charging tray bottom plate.

The embodiment of the utility model provides a liner material dish can let front bezel and back plate positive surface charging tray bottom plate place dorsad, and let go up the bounding wall and place with bounding wall down upright, the placing means of liner material on the liner material dish is unanimous with the placing means in welding station department like this, the in-process of placing the liner material on the liner material dish in welding station department through handling device, handling device need not the upset liner material, simplify handling device's action mode, thereby be convenient for handling device gets puts the liner material, and, the liner material dish corresponds each liner material respectively and sets up location structure and fixes a position, the handling device of being convenient for like this picks up the liner material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 structural view of an inner container material tray provided in an embodiment of the present invention;

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

Reference numerals:

100: an inner container material tray; 1: a tray bottom plate; 11: a front plate placement area; 12: a rear plate placement area; 13: an upper coaming placing area; 14: a lower coaming placement area; 15: a first boundary; 16: a first pressure sensor; 17: a second pressure sensor; 18: a caster wheel; 2: a front plate positioning structure; 21: a first front plate stopper; 22: a second front plate stop; 23: a third front plate stop; 24: a front plate support block; 3: a back plate positioning structure; 31: a back plate stopper; 4: an upper coaming positioning structure; 41: a coaming clamping block is arranged; 42: a boarding stop block is arranged; 5: a lower coaming positioning structure; 51: a lower coaming clamping block pair; 51 a: a first lower enclosing plate clamping block pair; 51 b: a second lower enclosing plate clamping block pair; 200: a front plate; 210: an opening; 220: mounting holes; 300: a back plate; 400: mounting a coaming plate; 500: and (4) a lower coaming.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an inner bag material dish, as shown in figure 1, inner bag material dish 100 includes charging tray bottom plate 1.

As shown in fig. 2, a front plate placing area 11, a rear plate placing area 12, an upper enclosing plate placing area 13 and a lower enclosing plate placing area 14 are formed on one surface of the tray bottom plate 1. The tray bottom plate 1 can be used for placing liner materials, the liner materials generally comprise a front plate 200, a rear plate 300, an upper enclosing plate 400 and a lower enclosing plate 500, and the front plate 200, the rear plate 300, the upper enclosing plate 400 and the lower enclosing plate 500 are respectively placed at a front plate placing area 11, a rear plate placing area 12, an upper enclosing plate placing area 13 and a lower enclosing plate placing area 14 on the tray bottom plate 1. And, the charging tray bottom plate 1 can be placed on the conveyor, and the charging tray bottom plate 1 is driven by the conveyor to convey the liner material. Wherein, the shape of charging tray bottom plate 1 can be set for according to actual demand, for example, charging tray bottom plate 1 is square board usually, specifically, as shown in fig. 1, in this embodiment, charging tray bottom plate 1 is square board, and each corner of charging tray bottom plate 1 is provided with the truckle 18 that can rotate along the axis perpendicular with the face of charging tray bottom plate 1. By arranging the caster 18 on the tray bottom plate 1, the tray bottom plate 1 can be driven by the conveying device conveniently.

As shown in fig. 1 and fig. 2, a front plate positioning structure 2 is disposed on the tray bottom plate 1 corresponding to the front plate placement area 11, and the front plate positioning structure 2 is used for positioning the front plate 200 in the front plate placement area 11, and making the front surface of the front plate 200 face away from the tray bottom plate 1. After the front plate 200, the rear plate 300, the upper shroud plate 400 and the lower shroud plate 500 are welded to form the liner, the front surface of the front plate 200 faces away from the rear plate 300, and the reverse surface of the front plate 200 faces toward the rear plate 300. The front plate 200 is positioned in the front plate placing area 11 through the front plate positioning structure 2, and the front plate positioning structure 2 is arranged in various ways, for example, the front plate positioning structure 2 can be a plurality of quick clamps; as another example, as shown in fig. 1 and 2, in the present embodiment, the front plate positioning structure 2 includes a first front plate stopper 21, a second front plate stopper 22, and a third front plate stopper 23, the first front plate stopper 21 and the second front plate stopper 22 are configured to abut against two adjacent inner sidewalls of the opening 210 of the front plate 200, respectively, and a portion of the third front plate stopper 23 is configured to extend into the mounting hole 220 of the front plate 200 so as to limit the front plate 200 in a direction from the mounting hole 220 of the front plate 200 to the opening 210. The front plate positioning structure 2 combines the structural characteristics of the front plate 200 to set a stop block so as to position the front plate 200, and the arrangement mode of the front plate positioning structure 2 has the advantage of simple structure. The projection shape of the front plate 200 on the tray bottom plate 1 generally matches with the shape of the front plate placement area 11, for example, the projection shape of the front plate 200 on the tray bottom plate 1 and the shape of the front plate placement area 11 can both be square.

Also, as shown in fig. 2, in the present embodiment, the front board positioning structure 2 includes a front board support block 24 located in the front board placing region 11, and the front board support block 24 is configured to abut against the reverse surface of the front board 200. By the arrangement of the front plate supporting block 24, it is facilitated to smoothly place the front plate 200 in the front plate placing region 11. Among them, the front plate supporting block 24 is usually provided in plural along the circumferential direction of the front plate placing region 11.

As shown in fig. 1 and fig. 2, a back plate positioning structure 3 is disposed on the tray bottom plate 1 corresponding to the back plate placement area 12, and the back plate positioning structure 3 is used for positioning the back plate 300 in the back plate placement area 12, and making the front surface of the back plate 300 back to the tray bottom plate 1. After the front plate 200, the rear plate 300, the upper coaming 400 and the lower coaming 500 are welded to form the liner, the front surface of the rear plate 300 is used for forming the outer surface of the liner, and the back surface of the rear plate 300 is used for forming the inner surface of the liner. The rear plate 300 is positioned in the rear plate placing area 12 through the rear plate positioning structure 3, and the rear plate positioning structure 3 is arranged in various ways, for example, the rear plate positioning structure 3 can be a plurality of quick clamps; for another example, as shown in fig. 1 and fig. 2, the projection shape of the rear plate 300 on the tray bottom plate 1 is matched with the shape of the rear plate placement area 12, in this embodiment, the projection shape of the rear plate 300 on the tray bottom plate 1 and the shape of the rear plate placement area 12 are both rectangular, the rear plate positioning structure 3 includes four rear plate stoppers 31 located outside the rear plate placement area 12, the four rear plate stoppers 31 are used for respectively abutting against two long side ends and two short side ends of the rear plate 300, the positioning in the length direction and the width direction of the rear plate 300 can be realized by the four rear plate stoppers 31, and the arrangement mode of the rear plate positioning structure 3 has the advantage of simple structure.

Also, in the present embodiment, the rear plate positioning structure 3 includes a rear plate support block (not shown in the drawings) located in the rear plate placing region 12, the rear plate support block being configured to abut against a reverse surface of the rear plate 300. By the arrangement of the rear plate supporting block, it is advantageous to smoothly place the rear plate 300 in the rear plate placing region 12. Wherein the back plate support block may be provided with one or more.

As shown in fig. 1 and 2, the tray bottom plate 1 is provided with a boarding positioning structure 4 corresponding to the boarding placing area 13, and the boarding positioning structure 4 is used for vertically positioning the boarding 400 in the boarding placing area 13. The upper coaming 400 is positioned in the upper coaming placing area 13 through the upper coaming positioning structure 4, the upper coaming positioning structure 4 is arranged in various ways, for example, the upper coaming positioning structure 4 can be a plurality of quick clamps; as shown in fig. 1 and fig. 2, the upper surrounding plate positioning structure 4 includes two upper surrounding plate clamping blocks 41, the two upper surrounding plate clamping blocks 41 are used for respectively abutting against two plate surfaces of the upper surrounding plate 400, the two upper surrounding plate clamping blocks 41 are opposite to each other at intervals, so as to form a clamping groove (not shown in the figure) between the two upper surrounding plate clamping blocks 41, the two upper surrounding plate clamping blocks 41 form the clamping groove, the bottom of the upper surrounding plate 400 is inserted into the clamping groove, so as to clamp and fix the upright upper surrounding plate 400 through the clamping groove, wherein the two upper surrounding plate clamping blocks 41 are a group, a group of upper surrounding plate clamping blocks 41 may be provided, or a plurality of groups of upper surrounding plate clamping blocks 41 may be provided at intervals along the extending direction of the upper surrounding plate placing region 13. Further, as shown in fig. 1, in the present embodiment, the first pressure sensor 16 for contacting the apron board 400 is provided in the apron board placing region 13, and whether the apron board 400 is completely inserted into the clip groove can be detected by the first pressure sensor 16.

As shown in fig. 1 and 2, in the present embodiment, the apron upper positioning structure 4 includes two apron upper stoppers 42, and the two apron upper stoppers 42 are used for abutting against the same plate surface of the apron upper 400 and abutting against two folded edges of the apron upper 400. The upper fence 400 can be positioned in the extending direction of the upper fence placing region 13 by two upper fence stoppers 42.

As shown in fig. 1 and 2, the tray bottom plate 1 is provided with a lower coaming positioning structure 5 corresponding to the lower coaming placing area 14, and the lower coaming positioning structure 5 is used for vertically positioning the lower coaming 500 in the lower coaming placing area 14.

The lower coaming 500 is positioned in the lower coaming placing area 14 through the lower coaming positioning structure 5, and the lower coaming positioning structure 5 is arranged in various ways, for example, the lower coaming positioning structure 5 can be a plurality of quick clamps; for another example, as shown in fig. 1 and fig. 2, the lower surrounding plate positioning structure 5 includes a pair of lower surrounding plate clamping blocks 51, the pair of lower surrounding plate clamping blocks 51 includes two lower surrounding plate clamping blocks, the two lower surrounding plate clamping blocks are used for respectively abutting against two plate surfaces of the lower surrounding plate 500, the two lower surrounding plate clamping blocks are opposite in interval to form a clamping groove (not shown in the figure) between the two lower surrounding plate clamping blocks, the lower surrounding plate clamping blocks are provided with a plurality of groups for 51 along the extending direction of the lower surrounding plate placing area 14, a plurality of clamping grooves are formed by the plurality of lower surrounding plate clamping blocks for 51, the bottom of the lower surrounding plate 500 is inserted into the plurality of clamping grooves, and the upright lower surrounding plate 500 can be clamped and fixed by the plurality of clamping grooves. Further, as shown in fig. 1, in the present embodiment, a second pressure sensor 17 for contacting the rocker 500 is provided in the rocker placement area 14, and whether the rocker 500 is completely inserted into the clip groove can be detected by the second pressure sensor 17.

Furthermore, as shown in fig. 1 and fig. 2, in this embodiment, the multiple sets of lower surrounding plate clamping blocks 51 include two sets of first lower surrounding plate clamping blocks 51a and two sets of second lower surrounding plate clamping blocks 51b, where the two sets of first lower surrounding plate clamping blocks 51a are used for respectively clamping two side walls of the fixed lower surrounding plate 500 near the joint of the lower surrounding plate 500, and the two sets of second lower surrounding plate clamping blocks 51b are used for respectively clamping the bottom wall of the fixed lower surrounding plate 500 near the two side walls. The shape of the projection of the lower enclosing plate 500 on the tray bottom plate 1 and the shape of the lower enclosing plate placing area 14 can be both U-shaped, so that the lower enclosing plate clamping block pair 51 is arranged corresponding to the shape of the lower enclosing plate 500, and the positioning effect on the lower enclosing plate 500 is better.

The embodiment of the utility model provides a liner material dish 100 can let front panel 200 and back plate 300 openly place charging tray bottom plate 1 dorsad, and let go up bounding wall 400 and lower bounding wall 500 and upright place, the placing means of liner material on liner material dish 100 is unanimous with the placing means in welding station department like this, the in-process of placing the liner material in welding station department through handling device on with liner material dish 100, handling device need not the upset liner material, simplify handling device's action, thereby be convenient for handling device gets puts the liner material, and, liner material dish 100 corresponds each liner material respectively and sets up location structure and fixes a position, the handling device of being convenient for picks up the liner material like this.

As shown in fig. 1 and 2, in the present embodiment, the back plate placement area 12, the boarding placement area 13, and the boarding placement area 14 are located on the same side of the front plate placement area 11, and the boarding placement area 14 is provided around the periphery of the back plate placement area 12. The arrangement of the placing areas on the tray bottom plate 1 is compact.

Further, as shown in fig. 1 and fig. 2, in the present embodiment, the plate surface of the tray bottom plate 1 on which the front plate placing area 11 is formed includes two spaced first boundaries 15; the front plate placing area 11 is arranged close to one of the two first boundaries 15, the rear plate placing area 12, the upper coaming placing area 13 and the lower coaming placing area 14 are arranged close to the other one of the two first boundaries 15, and the upper coaming placing area 13 and the lower coaming placing area 14 are spaced in a direction parallel to the first boundaries 15; the front plate positioning structure 2 is arranged to enable the long side end of the front plate 200 to be parallel to the first border 15, the rear plate positioning structure 3 is arranged to enable the short side end of the rear plate 300 to be parallel to the first border 15, the upper coaming positioning structure 4 is arranged to enable the docking port of the upper coaming 400 to be placed towards the rear plate in the area 12, and the lower coaming positioning structure 5 is arranged to enable the docking port of the lower coaming 500 to be placed towards the front plate in the area 11. This is advantageous to minimize the tray bottom plate 1 as much as possible, wherein the upper enclosing plate 400 and the lower enclosing plate 500 are butted by a butt joint to enclose and form a cylindrical enclosing plate. As shown in fig. 1, in the present embodiment, the tray bottom plate 1 is a square plate, and the first boundary 15 is a short side of the tray bottom plate 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The inner container material tray is characterized by comprising a tray bottom plate, wherein a front plate placing area, a rear plate placing area, an upper coaming placing area and a lower coaming placing area are formed on one surface of the tray bottom plate;

a front plate positioning structure is arranged on the tray bottom plate corresponding to the front plate placing area and used for positioning the front plate in the front plate placing area, and the front side of the front plate is opposite to the tray bottom plate;

a rear plate positioning structure is arranged on the tray bottom plate corresponding to the rear plate placing area and used for positioning the rear plate in the rear plate placing area, and the front surface of the rear plate is opposite to the tray bottom plate;

an upper enclosing plate positioning structure is arranged on the tray bottom plate corresponding to the upper enclosing plate placing area and used for vertically positioning the upper enclosing plate in the upper enclosing plate placing area;

the material tray bottom plate is provided with a lower enclosing plate positioning structure corresponding to the lower enclosing plate placing area, and the lower enclosing plate positioning structure is used for vertically positioning the lower enclosing plate in the lower enclosing plate placing area.

2. The liner tray according to claim 1, wherein the back plate placement area, the top panel placement area, and the bottom panel placement area are located on the same side of the front plate placement area, and the bottom panel placement area is located around the periphery of the back plate placement area.

3. The liner material tray according to claim 2, wherein the plate surface of the tray bottom plate on which the front plate placing area is formed comprises two spaced first boundaries;

the front plate placing area is arranged close to one of the two first boundaries, the rear plate placing area, the upper coaming placing area and the lower coaming placing area are arranged close to the other one of the two first boundaries, and the upper coaming placing area and the lower coaming placing area are spaced in a direction parallel to the first boundaries;

the front plate positioning structure is arranged to enable a long side end of the front plate to be parallel to the first boundary, the rear plate positioning structure is arranged to enable a short side end of the rear plate to be parallel to the first boundary, the upper enclosing plate positioning structure is arranged to enable a butt joint of the upper enclosing plate to face the rear plate placing area, and the lower enclosing plate positioning structure is arranged to enable a butt joint of the lower enclosing plate to face the front plate placing area.

4. The liner material tray according to any one of claims 1 to 3, wherein the front plate positioning structure comprises a first front plate stopper, a second front plate stopper and a third front plate stopper, the first front plate stopper and the second front plate stopper are respectively abutted against two adjacent inner side walls of the opening of the front plate, and part of the third front plate stopper is used for extending into the mounting hole of the front plate so as to limit the front plate in the direction from the mounting hole of the front plate to the opening; and/or the presence of a gas in the gas,

the front plate positioning structure comprises a front plate supporting block positioned in the front plate placing area, and the front plate supporting block is used for being abutted against the reverse side of the front plate.

5. The liner material tray according to any one of claims 1 to 3, wherein the rear plate positioning structure comprises four rear plate stoppers located outside the rear plate placement area, the four rear plate stoppers being configured to abut against two long side ends and two short side ends of the rear plate, respectively; and/or the presence of a gas in the gas,

the rear plate positioning structure comprises a rear plate supporting block positioned in the rear plate placing area, and the rear plate supporting block is used for being abutted against the reverse side of the rear plate.

6. The liner tray according to any one of claims 1 to 3, wherein the upper shroud plate positioning structure comprises two upper shroud plate clamping blocks, the two upper shroud plate clamping blocks are used for respectively abutting against two plate surfaces of an upper shroud plate, and the two upper shroud plate clamping blocks are opposite at intervals so as to form a clamping groove between the two upper shroud plate clamping blocks; and/or;

the upper enclosing plate positioning structure comprises two upper enclosing plate check blocks, and the two upper enclosing plate check blocks are used for abutting against the same surface of the upper enclosing plate and abutting against two folding edges of the upper enclosing plate.

7. The liner tray according to any one of claims 1 to 3, wherein the lower skirt positioning structure comprises a pair of lower skirt clamp blocks, the pair of lower skirt clamp blocks comprises two lower skirt clamp blocks, the two lower skirt clamp blocks are used for respectively abutting against two plate surfaces of the lower skirt, the two lower skirt clamp blocks are spaced and opposite to each other so as to form a clamp groove between the two lower skirt clamp blocks, and a plurality of groups of lower skirt clamp blocks are arranged along the extending direction of the lower skirt placement area.

8. The liner tray according to claim 7, wherein the plurality of pairs of lower web clamping blocks comprises two first pairs of lower web clamping blocks and two second pairs of lower web clamping blocks, the two first pairs of lower web clamping blocks are used for clamping two side walls of the fixed lower web close to the butt joint of the lower web respectively, and the two second pairs of lower web clamping blocks are used for clamping the bottom wall of the fixed lower web close to the two side walls respectively.

9. The liner material tray according to any one of claims 1 to 3, wherein a first pressure sensor for contacting the upper enclosing plate is arranged in the upper enclosing plate placing area; and/or the presence of a gas in the gas,

and a second pressure sensor used for being in contact with the lower enclosing plate is arranged in the lower enclosing plate placing area.

10. The liner material tray according to any one of claims 1 to 3, wherein the tray bottom plate is a square plate, and casters capable of rotating along an axis perpendicular to the plate surface of the tray bottom plate are arranged at each corner of the tray bottom plate.

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