CN218231368U - Charging basket for plate drawing - Google Patents

Abstract

The utility model relates to a charging basket technical field especially relates to a charging basket is drawn to dish, the on-line screen storage device comprises a base, establish stand on the base and radially set gradually first basket and second basket on the base along the stand, the endwise slip along the stand is provided with the support frame between first basket and the second basket, first basket, support frame and second basket surround and form opening holding chamber up, be equipped with supporting mechanism between support frame and the stand, the support frame passes through supporting mechanism position adjustable and establishes on the stand, with the vertical degree of depth that is used for adjusting the holding chamber, current charging tray volume relatively fixed has been solved, artifical inconvenient problem of using.

Description

Charging basket for plate drawing

[ technical field ] A method for producing a semiconductor device

The utility model relates to a charging basket technical field especially relates to a dish is drawn and is used charging basket.

[ background of the invention ]

At present, a charging basket in the field of coil drawing is generally of a columnar structure, an annular holding cavity is formed in the charging basket, metal pipes are coiled in the annular holding cavity, and the metal pipes are wound in the metal pipes, so that the metal pipes can be wound.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a dish and draw and use charging basket, solved current charging tray volume relatively fixed, artifical inconvenient problem of use.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a dish is drawn and is used charging basket, includes the base, establishes stand on the base, along the radial first basket and the second basket that set gradually on the base of stand, first basket with the endwise slip along the stand between the second basket is provided with the support frame, first basket, support frame and second basket surround and form the holding chamber of opening up, be equipped with supporting mechanism between support frame and the stand, the support frame passes through supporting mechanism position adjustable and establishes on the stand for be used for adjusting the vertical degree of depth in holding chamber.

In the above-mentioned charging basket for dish is drawn, supporting mechanism includes sliding sleeve and elastic support piece, the support frame passes through sliding sleeve and overlaps on the stand, link to each other through elastic support piece elasticity between sliding sleeve and the base.

In above-mentioned dish is drawn and is used charging basket, supporting mechanism still includes supplementary support piece, supplementary support piece includes that a plurality of space rings are established stand circumference's bracing piece with articulate the slider of bracing piece lower extreme, be equipped with on the base a plurality of with the slide that the slider corresponds, the slider slides and sets up on the slide, the upper end of bracing piece articulates on the sliding sleeve, the slide both ends are equipped with the stopper, stopper position adjustable establishes on the slide in order to be used for the restriction the slider is followed the sliding distance of slide.

In the above-mentioned charging basket for dish is drawn, a plurality of screw holes are distributed at intervals along the length direction of the slide way, and the limiting block is fastened in the screw holes through screws so as to relatively fix the limiting block and the slide way.

In the above-mentioned charging basket is used to dish drawing, supporting mechanism include sliding sleeve and be used for with the screw of sliding sleeve spiro union fixation on the stand, the support frame is established through sliding sleeve movable sleeve on the stand, the surface of stand along its axial seted up a plurality of with screw thread fit's spacing hole, sliding sleeve passes through the screw spiro union be in order with the support frame with the stand is removable fixed.

In the above-mentioned charging basket for drawing dish, the support frame includes that the circumference interval is established a plurality of second tie-beams outside the sliding sleeve, radially sets gradually third ring roof beam and fourth ring roof beam on the second tie-beam along the sliding sleeve, erect the board of placing that is used for placing the material between third ring roof beam and the fourth ring roof beam.

In above-mentioned dish is drawn and is used charging basket, first basket includes first ring roof beam, first tie-beam and circumference interval distribution in a plurality of first pole settings of first ring roof beam bottom, first ring roof beam through first tie-beam with the upper end of stand is connected, the bottom of first ring roof beam through first pole setting with the base concreties, first guiding hole has been seted up to third ring roof beam corresponding first pole setting position, so that third ring roof beam overlaps through first guiding hole slip cap and establishes at the outside back of first pole setting, in order to allow the axial displacement of first pole setting is followed to the support frame.

In above-mentioned dish is drawn and is used charging basket, the second basket includes that second ring beam and circumference interval distribution are in the second pole setting of second ring beam bottom, the bottom of second ring beam through first pole setting with the base concreties, the fourth ring beam corresponds second guiding hole has been seted up to second pole setting position, the fourth ring beam passes through second guiding hole sliding sleeve and establishes at the outside back of second pole setting, in order to allow the support frame is followed the axial slip of second pole setting.

In the above-described tray-pulling basket, a support plate that supports the second connection beam is provided outside the slide sleeve.

The utility model has the advantages that:

the utility model discloses in, first basket, support frame and second basket three surround the holding chamber that forms the holding tubular metal resonator material, and the support frame passes through the adjustable connection of supporting mechanism position on the stand, the support frame can be relative slip between first basket and second basket again simultaneously, and then utilize the support frame to pass through the axial different positions that supporting mechanism fixed at the stand, and then change first basket, form the depth in holding chamber between support frame and the second basket three, so as to deal with the tubular metal resonator rolling needs of different stocks, when waiting to receive a roll tubular metal resonator material more, move down and then strengthen the holding chamber depth through the support frame, and when the material is less, it can shift up the support frame to have, in order to reduce the holding chamber depth, be convenient for deposit and take the tubular metal resonator, the practicality of charging basket and the convenience of artifical use have been strengthened greatly.

In a further scheme, the supporting mechanism comprises a sliding sleeve and an elastic supporting piece, the supporting frame is sleeved on the stand column through the sliding sleeve in a sliding mode, and the sliding sleeve is elastically connected with the base through the elastic supporting piece. The sliding sleeve is convenient for the support frame to freely slide in the axial direction of the upright stanchion, and the two ends of the elastic support piece are respectively connected with the sliding sleeve and the base, so that under the elastic support action of the elastic support piece, the support frame is kept at the position of the upright stanchion close to the upper end by the thrust of the elastic support piece, the vertical depth of the accommodating cavity formed by the support frame, the first basket frame and the second basket frame in a surrounding way is relatively small, when the metal pipe to be stored is placed in the accommodating cavity with shallow depth, the condition that the metal pipe head is collided and damaged when the metal pipe falls in the accommodating cavity due to large depth of the accommodating cavity is avoided, the damage of the metal pipe during storage is effectively avoided, and simultaneously when the metal pipe is coiled in the accommodating cavity to increase the weight of the metal pipe, because of receiving the heavy pressure of tubular metal resonator, elastic support piece is compressed, and make the support frame descend, and then enlarge the holding chamber depth, both along with the rolling of tubular metal resonator, utilize elastic support piece to be compressed, the stock volume of automatic change charging basket, the practicality and the security of charging basket have been improved greatly, meanwhile, after the tubular metal resonator rolling was accomplished, elastic support piece is in the compression state, the staff takes the tubular metal resonator and makes the tubular metal resonator stock of holding intracavity gradually reduce for a short time, elastic support piece resets gradually and drives the support frame and shift up, and then guarantee that the end of tubular metal resonator is in the up end in holding chamber all the time, when being convenient for personnel to take, also reduced the friction of tubular metal resonator and charging basket inner wall, the effectual protective metal resonator.

Further scheme, supporting mechanism still includes supplementary support piece, supplementary support piece includes that a plurality of space rings are established stand circumference's bracing piece with articulate the slider of bracing piece lower extreme, be equipped with on the base a plurality of with the slide that the slider corresponds, the slider slides and sets up on the slide, the upper end of bracing piece articulates on the sliding sleeve, the slide both ends are equipped with the stopper, stopper position adjustable establishes on the slide in order to be used for the restriction the slider is followed the sliding distance of slide. The sliding way is arranged on the base, the supporting rods are circumferentially distributed outside the sliding sleeve, the upper ends of the supporting rods are hinged to the sliding sleeve, the lower ends of the supporting rods are hinged to the sliding part and are arranged in the sliding part in a sliding mode, the supporting rods, the sliding part and the stand column are of a right-angled triangle structure, two position-adjustable limiting blocks are arranged at two sliding ends, the limiting blocks are abutted to the sliding part, the displacement distance of the sliding part on the sliding way is limited, when the supporting frame is compressed by falling extrusion elastic supporting parts, the supporting rods can be synchronously extruded to push the sliding part to move in the direction away from the stand column, the supporting rods support the supporting frame after being limited by limiting the sliding displacement distance of the sliding part, the supporting frame is prevented from being excessively compressed and damaged due to excessive descending of the supporting frame after being compressed by the metal pipe, and meanwhile, the problem that the supporting frame is excessively lifted by the elastic supporting parts, and the depth of the accommodating cavity is shallow in a normal state is solved by limiting the sliding part to move.

In a further scheme, a plurality of screw holes are distributed in the slide way along the length direction at intervals, and the limiting block is fastened in the screw holes through screws so as to relatively fix the limiting block and the slide way. The screw penetration mode is simple and convenient.

Further scheme, the supporting mechanism includes sliding sleeve and is used for with the screw of sliding sleeve spiro union fixation on the stand, the support frame is established through sliding sleeve activity cover on the stand, the surface of stand along its axial seted up a plurality of with the spacing hole of screw thread fit, sliding sleeve passes through the screw spiro union and is in with the support frame with the stand is removable fixed. The support frame is directly fixed on the stand after penetrating through the sliding sleeve through a screw, so that the height of the support frame on the charging basket can be conveniently and rapidly adjusted.

Further scheme, the support frame includes that the circumference interval is established a plurality of second tie-beams outside the sliding sleeve, radially set gradually third ring roof beam and the fourth ring roof beam on the second tie-beam along the sliding sleeve, erect the board of placing that is used for placing the material between third ring roof beam and the fourth ring roof beam.

Further scheme, first basket includes first gird, first tie-beam and a plurality of first pole settings of circumference interval distribution in first gird bottom, first gird through first tie-beam with the upper end of stand is connected, the bottom of first gird through first pole setting with the base concreties, first guiding hole has been seted up to third gird corresponding first pole setting position, so that third gird is established outside the back in first pole setting through first guiding hole slip cap, in order to allow the axial displacement of support frame along first pole setting.

Further scheme, the second basket includes that second ring roof beam and circumference interval distribution are in the second pole setting of second ring roof beam bottom, the bottom of second ring roof beam through first pole setting with the base concreties, the fourth ring roof beam corresponds second pole setting position has seted up the second guiding hole, the fourth ring roof beam passes through second guiding hole slip cover and establishes at the outside back of second pole setting, in order to allow the support frame is followed the axial slip of second pole setting.

In a further scheme, a supporting plate for supporting the second connecting beam is arranged outside the sliding sleeve. The supporting plate is convenient for enhancing the connecting strength between the second connecting beam and the sliding sleeve.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

FIG. 1 is a front view of the structure of the embodiment of the present invention;

FIG. 2 is a top view of the structure of FIG. 1 in an embodiment of the present invention;

FIG. 3 is a top view of the supporting frame according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of the present invention.

Reference numerals:

100 upright posts, 101 reinforcing plates, 102 limiting holes, 103 accommodating cavities, 110 first baskets, 111 first connecting beams, 112 first ring beams, 113 first upright posts, 120 second baskets, 121 second ring beams, 122 second upright posts, 130 bases and 131 screw holes;

200 supporting mechanism, 210 sliding part, 211 supporting rod, 212 sliding sleeve, 213 supporting plate and 220 elastic supporting part;

300 supporting frames, 310 placing plates, 320 third ring beams, 321 second connecting beams, 330 fourth ring beams and 331 second guide holes;

400 stop blocks, 410 screws.

[ detailed description ] A

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not 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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, a basket for pulling a disc according to an embodiment of the present invention is generally cylindrical, and includes a base 130, a column 100 disposed at a center of the base 130, and a first basket 110 and a second basket 120 sequentially disposed on the base 130 along a radial direction of the column 100, the column 100 generally has a through hole at a center thereof so as to be inserted on a shaft of a rotating disk, and rotates along with the rotating disk to drive the basket to rotate so as to wind a metal pipe, the first basket 110 and the second basket 120 are both annular structures, a support frame 300 is disposed between the first basket 110 and the second basket 120 along an axial direction of the column 100, a cross section of the support frame 300 is identical to a cross section of the first basket 110 and a cross section of the second basket 120, the three overlap in a vertical direction, the first basket 110, the support frame 300 and the second basket 120 surround to form an accommodation cavity 103 with an upward opening, the metal pipe enters the accommodation cavity 103 through the opening, a support mechanism 200 is disposed between the support frame 300 and the column 100, the support frame 300 is disposed on the column 100 through a position of the support mechanism 200, when the support frame 300 slides along the vertical direction of the column 100, a depth of the support frame 300 changes along the axial direction of the vertical direction of the column 100, and a depth of the second basket 103, and a depth of the support frame 300 changes.

In this embodiment, referring to fig. 1, the supporting mechanism 200 includes a sliding sleeve 212 and an elastic supporting member 220, the sliding sleeve 212 is disposed at a central position of the supporting frame 300, the supporting frame 300 is sleeved outside the upright 100 through the sliding sleeve 212 and can relatively slide along the axial direction of the upright 100, so as to change the vertical depth of the accommodating cavity 103, and the upper and lower ends of the elastic supporting member 220 are respectively connected to the base 130 and the sliding sleeve 212, so as to support the supporting frame 300 by its own elasticity.

In this embodiment, the elastic supporting element 220 may be a spring, a pressure spring, or other equivalent components, the spring may be sleeved on the upright 100, or the upright 100 may be a rotation point, and a plurality of springs are circumferentially and annularly disposed around the upright 100 to support the supporting frame 300.

Under the normal state, under the elastic supporting action of the spring, the support frame 300 is pushed by the spring to be kept at the position, close to the upper end, of the upright post 100, the vertical depth of the accommodating cavity 103 formed by surrounding the support frame 300, the first basket frame 110 and the second basket frame 120 is relatively small, when a metal pipe to be stored is placed in the accommodating cavity 103 with a shallow depth, the situation that a pipe head collides and is damaged when the metal pipe falls down in the accommodating cavity 103 due to the large depth of the accommodating cavity 103 is avoided, damage during storing of the metal pipe is effectively avoided, meanwhile when the metal pipe is coiled in the accommodating cavity 103 to increase the weight of the metal pipe, the spring is compressed due to the heavy pressure of the metal pipe, the support frame 300 descends, the depth of the accommodating cavity 103 is further enlarged, the spring is compressed along with the rolling of the metal pipe, the storage amount of the basket is automatically changed, the practicability of the basket is greatly improved, meanwhile, after the rolling of the metal pipe is finished, the spring is in a compressed state, a worker takes the metal pipe, the metal pipe to enable the storage amount of the metal pipe in the accommodating cavity 103 to be gradually changed, the spring is gradually reduced, the inner wall of the spring, and the inner wall of the support frame is gradually returned to be convenient to be taken, and the end face of the metal pipe is also to be taken, and the end face of the metal pipe is effectively reduced.

Preferably, in order to prevent the elastic supporting member 220 from being damaged after being excessively compressed due to the weight of the metal pipe, an auxiliary supporting member is disposed at the periphery of the upright 100, the auxiliary supporting member includes a plurality of supporting rods 211 annularly disposed at the circumference of the upright 100 and a sliding member 210 hinged at the lower end of the supporting rods 211, a base 130 is provided with a sliding way corresponding to the sliding member 210, the sliding member 210 is slidably disposed on the sliding way, the upper end of the supporting rod 211 is hinged on a sliding sleeve 212, so that the upright 100, the sliding way and the supporting rods 211 form a right-angled triangle structure, when the supporting plate 213 is pressed by the weight of the metal pipe to press the spring to move down, the supporting rod 211 is pressed down by the sliding sleeve 212, so that the supporting rod 211 pushes the sliding member 210 to slide on the sliding way, and in order to prevent the spring from being excessively compressed and damaged, two adjustable limiting blocks 400 are disposed at two ends of the sliding way, the limiting blocks 400 are disposed at different positions in the length direction of the sliding way to abut and limit the sliding block, when the supporting frame 300 moves down to push the sliding member 210 to move on the sliding way by the supporting rod 211, because of the limiting blocks 400, the supporting rod 211, the supporting plate 213, so as to continuously protect the spring to move down.

In this embodiment, the end of the sliding element 210 away from the upright 100 is provided with the limiting block 400, so that the compression amount of the spring is limited, and the spring is prevented from being damaged due to over-compression, and the distance between the limiting block 400 and the upright 100 can be changed, so as to change the maximum compression amount of the spring after being compressed, and the end of the sliding element 210 close to the upright 100 is provided with the limiting block, so that the problem that the accommodating cavity 103 is too shallow due to the supporting plate 213 being pushed to the position abutting against the bottom surface of the first basket 110 after the spring is reset is avoided.

In this embodiment, the connection mode of the limiting block 400 and the slide way may be that a plurality of screw holes 131 are arranged at intervals in the length direction of the slide way, and the limiting block 400 is screwed into the corresponding screw holes 131 after penetrating through the screw 410, so as to fix and limit the limiting block 400.

In this embodiment, the base 130 may be a flat circular plate, the slide way is a linear track provided on the upper end surface of the base 130, the tracks are arranged radially, the sliding member 210 is a sliding block, the base 130 may also be two annular steels with different diameters, the two annular steels are connected by a plurality of connecting pipes circumferentially at intervals to form the base 130, and the corresponding sliding member 210 may be a sleeve sleeved on the upper end of the connecting pipe.

In this embodiment, referring to fig. 1 and 3, the supporting frame 300 includes a plurality of second connecting beams 321 circumferentially arranged at intervals outside the sliding sleeve 212, and a third ring beam 320 and a fourth ring beam 330 radially arranged on the second connecting beams 321 along the sliding sleeve 212 in sequence, the second connecting beams 321 are radially connected to the sliding sleeve 212 with the sliding sleeve 212 as a central point, the fourth ring beam 330 is arranged at one end of the second connecting beam 321 far away from the sliding sleeve 212, and a placing plate 310 for placing materials is erected between the third ring beam 320 and the fourth ring beam 330.

In this embodiment, a support plate 213 supporting the second connection beam 321 may be provided outside the sliding sleeve 212 to enhance the connection strength between the second connection beam 321 and the sliding sleeve 212 by the support plate 213.

In this embodiment, referring to fig. 1 and 2, the first basket 110 includes a first ring beam 112, a first connecting beam 111, and a plurality of first vertical rods 113 circumferentially spaced at intervals at the bottom of the first ring beam 112, the first ring beam 112 is connected to the upper end of the upright 100 through the first connecting beam 111, the plurality of first connecting beams 111 are radially disposed in an annular gap between the upright 100 and the first ring beam 112 with the upright 100 as a center, the bottom of the first ring beam 112 is fixedly connected to the base 130 through the first vertical rods 113, the plurality of first vertical rods 113 are disposed parallel to the upright 100, a first guide hole is disposed at a position of the third ring beam 320 corresponding to the first vertical rod 113, and the first vertical rod 113 is correspondingly disposed in the first guide hole, so that when the supporting rack 300 moves along the axis of the upright 100, the third ring beam 320 slides outside the first vertical rod 113 through the first guide hole, so that the supporting rack 300 can stably slide on the first basket 110.

In this embodiment, referring to fig. 1, the slideways are radially disposed on the base 130 with the upright 100 as the center, the slideways are disposed along the radial direction of the base 130, and the slideways are disposed in a staggered manner with respect to the first upright 113, so as to prevent the sliding member 210 from abutting against the first upright 113 when sliding on the slideways, and further affecting the normal sliding of the sliding member 210.

Referring to fig. 1 and 2, in order to facilitate the connection between the column 100 and the first connection beam 111, a reinforcement plate 101 may be disposed on the top of the column 100, and the reinforcement plate 101 is in a ring shape and is connected and fixed to the first connection beam 111 by a screw connection method.

In this embodiment, referring to fig. 1 and 3, the second basket 120 includes a second ring beam 121 and second vertical rods 122 circumferentially spaced at the bottom of the second ring beam 121, the second ring beam 121 and the first ring beam 112 are both circular ring structures, the diameter of the second ring beam 121 is greater than that of the first ring beam 112, the second ring beam 121 is supported on the base 130 through the second vertical rod 122 at the bottom, so that the second ring beam and the first ring beam 112 are in the same horizontal plane, an opening communicating with the accommodating cavity 103 is formed between the first ring beam 112 and the second ring beam 121, and a second guide hole 331 is formed in a position of the third ring beam 320 of the support frame 300, which corresponds to the second vertical rod 122 in the circumferential direction, so that the support frame 300 is sleeved outside the second vertical rod 122 by the second guide hole 331, and does not interfere with the second vertical rod 122 when sliding along the axial direction of the upright 100.

Referring to fig. 4, as another embodiment of the supporting mechanism 200, different from the above embodiment, the supporting mechanism 200 includes a sliding sleeve 212 and screws 410, the sliding sleeve 212 is still sleeved outside the column 100 for vertical movement of the supporting frame 300, the sliding sleeve 212 directly penetrates through the sliding sleeve 212 through the screws 410 and then is screwed on the column 100, a plurality of limiting holes 102 in threaded fit with the screws 410 are axially arranged at intervals on the column 100, and the screws 410 penetrate through the limiting sleeves and then are screwed into the limiting holes 102, thereby realizing relative locking of the supporting frame 300 in the axial direction of the column 100.

While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention may be embodied without departing from the spirit and scope of the present invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (9)

1. The utility model provides a dish is drawn and is used charging basket, includes the base, establishes stand on the base, along the radial first basket and the second basket that set gradually on the base of stand, its characterized in that, first basket with the endwise slip along the stand between the second basket is provided with the support frame, first basket, support frame and second basket surround and form the holding chamber that the opening up, be equipped with supporting mechanism between support frame and the stand, the support frame passes through supporting mechanism position adjustable and establishes on the stand, in order to be used for adjusting the vertical degree of depth in holding chamber.

2. A tray pull basket as defined in claim 1 wherein said support means includes a sliding sleeve and an elastic support member, said support frame being slidably fitted over said post through said sliding sleeve, said sliding sleeve and said base being elastically connected through said elastic support member.

3. The tray-pulling charging basket as recited in claim 2, wherein the supporting mechanism further comprises an auxiliary supporting member, the auxiliary supporting member comprises a plurality of spacing rings arranged on the supporting rods in the circumferential direction of the upright column and sliding members hinged to the lower ends of the supporting rods, a plurality of sliding ways corresponding to the sliding members are arranged on the base, the sliding members are arranged on the sliding ways in a sliding manner, the upper ends of the supporting rods are hinged to the sliding sleeve, limiting blocks are arranged at two ends of the sliding ways, and the limiting blocks are arranged on the sliding ways in an adjustable position and used for limiting the sliding distance of the sliding members along the sliding ways.

4. The tray-pulling charging basket according to claim 3, wherein a plurality of screw holes are distributed at intervals along the length direction of the slideway, and the limiting block is fastened in the screw holes through screws so as to relatively fix the limiting block and the slideway.

5. The tray pull basket according to claim 1, wherein the support mechanism includes a sliding sleeve and a screw for screwing the sliding sleeve to the column, the support frame is movably sleeved on the column through the sliding sleeve, a plurality of limiting holes in threaded engagement with the screw are formed in the surface of the column along the axial direction of the column, and the sliding sleeve is screwed to the limiting holes through the screw so as to detachably fix the support frame to the column.

6. A tray drawing basket according to claim 2, wherein the support frame includes a plurality of second connection beams circumferentially spaced outside the sliding sleeve, a third ring beam and a fourth ring beam sequentially disposed on the second connection beams in a radial direction of the sliding sleeve, and a placement plate for placing the material is erected between the third ring beam and the fourth ring beam.

7. The tray drawing basket according to claim 6, wherein the first basket frame comprises a first ring beam, a first connecting beam and a plurality of first vertical rods circumferentially distributed at intervals at the bottom of the first ring beam, the first ring beam is connected with the upper ends of the upright posts through the first connecting beam, the bottom of the first ring beam is fixedly connected with the base through the first vertical rods, and the third ring beam is provided with first guide holes corresponding to the first vertical rods, so that the third ring beam is slidably sleeved outside the first vertical rods through the first guide holes to allow the support frame to move axially along the first vertical rods.

8. The tray drawing basket according to claim 6, wherein the second basket frame comprises a second ring beam and second vertical rods circumferentially distributed at intervals at the bottom of the second ring beam, the bottom of the second ring beam is fixedly connected with the base through the first vertical rods, second guide holes are formed in the position, corresponding to the second vertical rods, of the fourth ring beam, and the fourth ring beam is slidably sleeved outside the second vertical rods through the second guide holes so as to allow the support frame to slide along the axial direction of the second vertical rods.

9. A tray drawing basket according to claim 6, wherein a support plate supporting the second connection beam is provided outside the sliding sleeve.

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