CN109502195B

CN109502195B - Storage method convenient for selective extraction of painting and calligraphy art

Info

Publication number: CN109502195B
Application number: CN201811336421.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Yueqing Tianmei Trading Co ltd
Current assignee: Yueqing Tianmei Trading Co.,Ltd.
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2020-07-10
Anticipated expiration: 2038-11-12
Also published as: CN109502195A

Abstract

The invention provides a storage method convenient for selectively extracting painting and calligraphy art, which comprises the following steps: firstly, mounting painting and calligraphy art on a first posting board/a second posting board, and hanging the first posting board/the second posting board on a hanging mechanism at the top of a storage box; when the painting and calligraphy art on the first pasting board/the second pasting board needs to be taken out for exhibition, the optional control mechanism controls the optional clamping mechanism to clamp the first pasting board/the second pasting board; and when the optional clamping mechanism and the poster board I/poster board II clamped by the optional clamping mechanism move to an opening, the optional clamping mechanism loosens the clamping of the poster board I/poster board II, and a user takes out the poster board I/poster board II from the opening to finish the independent selective taking out of the painting and calligraphy art.

Description

Storage method convenient for selective extraction of painting and calligraphy art

Technical Field

The invention relates to the technical field of calligraphy and painting art management, in particular to a storage method convenient for selectively extracting calligraphy and painting art.

Background

The calligraphy and painting are the general names of calligraphy and painting, Chinese calligraphy and painting art is the essence in the national art treasury, it is the precious article of art worth identifying and classing in human history, the calligraphy and painting art is often in museum, cultural and playing market, office and some public places, with the gradual improvement of people's living standard, the people who pursue the spiritual enjoyment are more and more, people's appreciation to artistic calligraphy and painting also rises to a certain height, at present, the calligraphy and painting art also gradually moves to ordinary people, hang the calligraphy and painting art in the vestibule, television wall or bedroom, not only facilitate the appreciation of guest, but also be favorable for creating certain artistic atmosphere.

Because the painting and calligraphy art has higher ornamental value and collection value and is very precious, therefore, the storage and preservation of the painting and calligraphy art is particularly important, and the painting and calligraphy art is mostly placed in a closed box, a cabinet or a cupboard in the prior art, so that the painting and calligraphy can have a stable limited space, the painting and calligraphy are prevented from being directly corroded and polluted, when two or more paintings and calligraphy are stored in the same closed box/cabinet, the paintings and calligraphy are easy to be stacked and extruded, in addition, when one of the painting and calligraphy is required to be taken out, other painting and calligraphy are required to be turned over, which can damage the painting and calligraphy to a certain extent, in order to avoid the damage of the phenomenon to the painting and calligraphy, the storage method which is ingenious in structure, simple in principle and capable of avoiding the stacking and extrusion of the painting and calligraphy and is convenient for the selective extraction of the painting and calligraphy art is very important.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a storage method which has the advantages of ingenious structure and simple principle, avoids the superposition and extrusion of the painting and calligraphy and is convenient for selectively extracting the painting and calligraphy art.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A storage method convenient for selectively extracting painting and calligraphy art comprises the following steps:

firstly, hanging and storing painting and calligraphy art;

s1: mounting painting and calligraphy arts on the first posting board/the second posting board, and hanging the first posting board/the second posting board on a hanging mechanism at the top of the storage box;

the storage box comprises a box body which is rectangular and vertical and has a backward opening, a rear cover detachably connected and matched with the opening is arranged at the opening of the box body, a rectangular opening is arranged on the lower side of the front end face of the box body, a sealing door matched with the opening and movably arranged with the opening is arranged on the opening, a pasting plate for mounting painting and calligraphy art and a hanging mechanism for hanging the pasting plate are movably arranged in the box body, the pasting plate comprises a pasting plate I and a pasting plate II, the sealing door is set into a sealing state and an opening state which can be mutually switched, and the sealing door and the box body form sliding guide matching along the vertical direction;

the hanging mechanism comprises a fixed top plate fixedly connected with the top of the box body, two hanging rods vertically arranged downwards are connected and arranged on the fixed top plate, the hanging rods are symmetrically arranged front and back, the lower ends of the hanging rods are provided with hanging blocks, the upper ends and the lower ends of the hanging blocks are all arranged to be sharp, a fixed block is arranged in the middle of the back surface of the pasting plate, two end faces, away from the pasting plate, of the fixed blocks are provided with mounting bulges, the mounting bulges are arranged symmetrically left and right along the direction parallel to the opening of the opening, the mounting bulges are horizontally provided with guide rods close to one end faces, the axial direction of the guide rod I is parallel to the plane where the opening is located, a limiting block is sleeved on the guide rod I, the limiting block is matched with the guide rod I, the limiting blocks form sliding guide fit along the axial direction of the guide rod I, the two limiting blocks in symmetrical arrangement are mutually close to one end, the two limiting blocks are hung on the hanging block, the limiting springs are arranged between the limiting blocks and the mounting bulges, one ends of the limiting springs are abutted against the limiting blocks, the other ends of the limiting springs are abutted against the mounting bulges, and the elastic force of the limiting springs is always directed to the limiting blocks by the mounting bulges;

during the working process of the hanging mechanism, a user mounts painting and calligraphy art on the first posting board and the second posting board, the limiting blocks on the back surfaces of the first posting board and the second posting board are hung at sharp parts at the upper ends of the hanging blocks, the mounted painting and calligraphy art is hung and stored, and a safety gap is reserved between the first posting board and the second posting board;

(II) selecting a clamping stage;

s2: when the painting and calligraphy art on the first pasting board/the second pasting board needs to be taken out for exhibition, the self-selection control mechanism controls the self-selection clamping mechanism to clamp the first pasting board/the second pasting board;

the self-selecting clamping mechanism is arranged at the top of the poster board, the self-selecting clamping mechanism is provided with two groups and is arranged in a bilateral symmetry manner, the self-selecting clamping mechanism comprises a first mounting frame, a second guide rod parallel to the direction of an open opening is arranged on the first mounting frame, a first clamping component for clamping the first poster board and a second clamping component for clamping the second poster board are slidably sleeved on the second guide rod, the first clamping component comprises a first clamping block and a second clamping block which are sleeved on the second guide rod along the axial sliding direction of the second guide rod, the first clamping block and the second clamping block are positioned on different sides of the first poster board, the second clamping block comprises a third clamping block and a fourth clamping block which are sleeved on the second guide rod along the axial sliding direction of the second guide rod, the four clamping blocks are positioned on different sides of the second poster board, the first clamping component and the second clamping component are both set into a clamping state and a separation state which can be mutually switched, and the first clamping component and the second clamping component alternately clamp the poster board, when the first clamping assembly is in a clamping state, the second clamping assembly is in a separated state; when the second clamping component is in a clamping state, the first clamping component is in a separated state, and in an initial state, the first clamping component is in a clamping state and the second clamping component is in a separated state;

the first mounting rack is rotatably provided with a screw rod which is arranged in parallel to the second axial direction of the guide rod, the screw rod is arranged into four sections with equal intervals along the length direction of the screw rod, the first clamping block and the first section of the screw rod form threaded connection fit, the second clamping block and the second section of the screw rod form threaded connection fit, the third clamping block and the third section of the screw rod form threaded connection fit, the fourth clamping block and the fourth section of the screw rod form threaded connection fit, the first section of the screw rod is opposite to the direction of the second section of the screw rod, the third section of the screw rod is opposite to the direction of the fourth section of the screw rod, the first section of the screw rod and the fourth section of the screw rod have the same direction, and a driven;

in the working process of the optional clamping mechanism, in an initial state, the first clamping assembly is in a clamping state, the second clamping assembly is in a separated state, and the first pasting board is clamped by the clamping assemblies; when the second pasting board needs to be taken out, the optional control mechanism switches the first clamping assembly to the separation state, the second clamping assembly is switched to the clamping state, and the two pairs of pasting boards are clamped by the second clamping assembly;

(III) a painting and calligraphy art extraction stage;

s3: the falling device drives the self-selection clamping mechanism and the poster board I/poster board II clamped by the self-selection clamping mechanism to synchronously move downwards, and the poster board I/poster board II is automatically separated from the hanging mechanism;

the falling device comprises a lifting mechanism for driving the self-selection clamping mechanism to move downwards integrally, a separation mechanism for releasing clamping of a pair of pasting boards I of the clamping assembly, and a supporting mechanism for receiving the pasting boards I/pasting boards II moving downwards, wherein the separation mechanism is provided with two groups and is arranged corresponding to the two clamping assemblies I, and the supporting mechanism is arranged at the bottom of the box body;

the lifting mechanism comprises a fixed bottom plate fixedly connected with the bottom of the box body, vertical rods are arranged between the fixed bottom plate and the top of the box body, the vertical rods are axially and vertically arranged, the vertical rods are arranged in a bilateral symmetry mode along an open opening direction, a sliding sleeve is sleeved on each vertical rod, the sliding sleeve is matched with the vertical rods and forms a sliding guide fit along the vertical direction, the sliding sleeve is fixedly connected with a mounting frame, a rectangular mounting plate is arranged between planes where the sliding sleeve and the sealing door are located, the length direction of the mounting plate is vertically arranged, the mounting plate is perpendicular to the posting plate, a third guide rod is arranged outside the sliding sleeve, the third guide rod is provided with a plurality of guide rods and is arranged in an array mode along the length direction of the sliding sleeve, the mounting plate is sleeved on the third guide rod, the two guide rods form a sliding, the return springs are arranged in a plurality of staggered arrangement with the guide rods III, and the axial direction of the return springs is parallel to the axial direction of the guide rods III and is in a free state;

a first rack which is matched with the first mounting plate and is vertically arranged is arranged on one side of the mounting plate, which is far away from the sliding sleeve, the tooth crest of the first rack is arranged flush with the inner side surface of the mounting plate, a second mounting frame which is fixedly connected with the box body is arranged between the first rack and the sealing door, a first rotating shaft which is parallel to the direction of the open opening is rotatably arranged on the second mounting frame, a transition gear which is in key connection and matched with the first rotating shaft is sleeved on the first rotating shaft in an axial sliding manner, the transition gear is meshed with the first rack, a second rack which is matched with the first rack and is vertically arranged is arranged on the side, which is close to the first rack, of the sealing door, the tooth crest;

in the working process of the falling device, a user opens the sealing door and pushes the sealing door upwards to open along the vertical direction, in the process, the second rack moves upwards synchronously, the second rack drives the transition gear to rotate clockwise around the axis of the second rack, the first transition gear drives the first rack to move downwards vertically, the first rack drives the mounting plate to move downwards synchronously, the mounting plate drives the sliding sleeve to slide downwards vertically along the vertical rod, the sliding sleeve drives the first mounting frame to move downwards, and the first clamping assembly/the second clamping assembly vertically move downwards to enable the corresponding posting plate to fall to the opening of the opening;

in the process of taking out the first poster board, when the first poster board falls to the opening of the opening, the first clamping assembly is unclamped by the separation mechanism, and the first poster board is taken out from the opening; in the process of taking out the second poster board, before the lifting mechanism operates, the optional control mechanism switches the second clamping assembly to the clamping state and switches the first clamping assembly to the separation state, then the lifting mechanism drops the second poster board to the opening of the opening, at the moment, the optional control mechanism cancels the control of the second clamping assembly, the second clamping assembly resets automatically to release the clamping of the second poster board, and the second poster board is taken out through the opening.

Compared with the prior art, the invention has the advantages of ingenious structure and simple principle, the painting and calligraphy are suspended and stored in the storage box, the safe distance is reserved between the painting and calligraphy arts, the damage phenomenon of the painting and calligraphy caused by stacking and squeezing between the painting and calligraphy arts is effectively avoided, one painting and calligraphy in the storage box can be manually selected and taken out, and the damage phenomenon of the painting and calligraphy caused by turning over the painting and calligraphy art in the taking-out process is avoided.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a schematic view of the structure of the storage box.

Fig. 5 is a schematic view of the suspension mechanism.

Fig. 6 is a partial structural view of the suspension mechanism.

Fig. 7 is a partial structural view of the suspension mechanism.

FIG. 8 is a view of the engagement of the self-selected clamping mechanism with the poster board.

Fig. 9 is a schematic structural view of the self-selecting clamping mechanism.

Fig. 10 is a partial schematic view of the self-selecting clamping mechanism.

Fig. 11 is a schematic view of the structure of the dropping device.

Fig. 12 is an enlarged view at a in fig. 11.

Fig. 13 is an enlarged view at B in fig. 11.

Fig. 14 is an enlarged view at a in fig. 11.

Fig. 15 is a schematic structural view of the lifting mechanism.

Fig. 16 is a schematic view of the supporting mechanism.

FIG. 17 is a view of the closure member in cooperation with the door.

Fig. 18 is a schematic structural view of the blocking member.

FIG. 19 is a view of the engagement of the optional control mechanism with the optional clamping mechanism.

Fig. 20 is an enlarged view at C in fig. 19.

Fig. 21 is an enlarged view at D in fig. 19.

Fig. 22 is a schematic structural view of the optional control mechanism.

Labeled as:

100. a storage tank; 101. a tank body; 102. a rear cover; 103. opening the mouth; 104. sealing the door; 105. a first door lock; 106. an auxiliary door; 107. a cover plate; 110. a suspension mechanism; 111. fixing a top plate; 112. a suspension rod; 113. a suspension block; 114. a fixed block; 115. a first guide rod; 116. a limiting block; 117. a limiting spring; 120. pasting a board; 120a, a poster board I; 120b, a poster board II;

200. selecting a clamping mechanism; 201. a first mounting frame; 202. a second guide rod; 203. a first clamping block; 204. a second clamping block; 205. a clamping block III; 206. a clamping block IV; 207. a screw rod; 208. a driven gear;

300. a dropping device; 310. a lifting mechanism; 311. fixing the bottom plate; 312. erecting a rod; 313. a sliding sleeve; 314. mounting a plate; 314a, a guide block; 314b, a guide groove; 315a and a guide rod III; 315b, a return spring; 316. a first rack; 317. a second mounting frame; 318a, a first rotating shaft; 318b, transition gear; 319. a second rack; 320. a disengagement mechanism; 321. a second rotating shaft; 322. triggering a gear; 323. a half gear; 330. a support mechanism; 331. a slider; 332. a lug; 333. a slide bar; 334. a buffer spring; 335. a bearing block; 336. a card slot; 337a, a guide groove; 337b, a guide block; 338. a threaded rod; 340. a stop member; 341. mounting frame III; 342. a chute; 343. sealing the stop block; 344. a blocking spring;

400. a self-selection control mechanism; 401. a first support frame; 402. a driving gear; 403. a second support frame; 404. a first bevel gear; 405. a second bevel gear; 406. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.

Referring to fig. 1-22, a storage apparatus for selectively extracting painting and calligraphy art includes a storage box 100 for storing painting and calligraphy art, the storage box 100 includes a box body 101 with a rectangular vertical and backward opening, a rear cover 102 detachably connected and matched with the opening of the box body 101 is provided at the opening of the box body 101, a rectangular opening 103 is provided at the lower side of the front end surface of the box body 101, a sealing door 104 matched with and movably arranged on the opening 103, a poster board 120 for mounting painting and calligraphy art is movably provided in the box body 101, a hanging mechanism 110 for hanging the poster board 120, the poster board 120 includes a first poster board 120a and a second poster board 120b, a self-selecting clamping mechanism 200 for alternatively clamping the poster board 120a and the second poster board 120b is further provided in the box body 101, a falling clamping device 300 for synchronously pulling down the poster board 120 clamped by the self-selecting clamping mechanism 200 to the opening 103, and a falling clamping device 300 for controlling the self-selecting clamping mechanism 200 to pull down the poster board 120 to the opening 103 A self-selecting control mechanism 400 for clamping the first pasting board 120 a/the second pasting board 120 b.

When a user needs to take out the painting and calligraphy art on the first poster board 120 a/the second poster board 120b and hang the first poster board 120 a/the second poster board 120b on the hanging mechanism 110, the self-selection control mechanism 400 controls the self-selection clamping mechanism 200 to clamp the first poster board 120 a/the second poster board 120b when the painting and calligraphy art on the first poster board 120 a/the second poster board 120b needs to be taken out for exhibition, the falling device 300 drives the self-selection clamping mechanism 200 and the first poster board 120 a/the second poster board 120b clamped by the self-selection clamping mechanism to synchronously move downwards, the first poster board 120 a/the second poster board 120b are automatically separated from the hanging mechanism 110, when the self-selection clamping mechanism 200 and the first poster board 120 a/the second poster board 120b clamped by the self-selection clamping mechanism move to the opening 103, the user takes out the first poster board 120 a/the second poster board 120b from the opening 130, and completing the independent selective taking out of the painting and calligraphy art.

Referring to fig. 4, the sealing door 104 is set to be in a sealing state and an opening state which can be switched with each other, in order to facilitate opening and closing of the sealing door 104, the sealing door 104 and the box body 101 form a sliding guide fit along a vertical direction, a first door lock 105 for locking and fixing the sealing door 104 and the box body 10 is arranged between one side of the sealing door 104 and the box body 10, the exterior of the box body 101 is arranged on a rectangular sealing plate 107 matched with the box body 101, and the sealing plate 107 is arranged flush with the front end face of the box body 101.

Referring to fig. 5-7, the hanging mechanism 110 includes a fixed top plate 111 fixedly connected to the top of the box body 101, the fixed top plate 111 is connected to a suspension rod 112 vertically disposed downward and the suspension rod 112 is vertically disposed, two suspension rods 112 are symmetrically disposed front and back, a suspension block 113 is disposed at the lower end of the suspension rod 112 and the upper and lower ends of the suspension block 113 are both disposed in a sharp shape, in order to enable the suspension block 113 to complete hanging of the poster 120, a fixed block 114 is disposed at the middle position of the back of the poster 120, an end face of the fixed block 114 away from the poster 120 is provided with two mounting protrusions, the two mounting protrusions are symmetrically disposed left and right along the opening direction parallel to the opening 103, the mounting protrusions are horizontally disposed near one end face and are parallel to the plane of the opening 103, the guide rods 115 are axially parallel to the plane of the opening 103, a limit block 116 is sleeved on the guide rods 115, the limiting blocks 116 are matched with the first guide rod 115 and form sliding guide fit along the axial direction of the first guide rod 115, the two limiting blocks 116 which are symmetrically arranged are close to one end face and mutually abut against one another, the end face is arranged to be sharp-pointed and matched with the hanging block 113, and the two limiting blocks 116 are hung on the hanging block 113.

Specifically, in order to ensure mutual interference between the two limit blocks 116, the limit blocks 116 and the mounting protrusions are arranged between the limit springs 117, one ends of the limit springs 117 are abutted against the limit blocks 116, the other ends of the limit springs 117 are abutted against the mounting protrusions, and the elastic force of the limit springs 117 is always directed to the limit blocks 116 by the mounting protrusions.

More specifically, the first posting board 120a and the second posting board 120b are both parallel to the plane of the opening 103, and the first posting board 120a and the second posting board 120b are both smaller than the opening size of the opening 103.

During the operation of the hanging mechanism 110, a user mounts the painting and calligraphy art on the first poster board 120a and the second poster board 120b, the limiting blocks 116 on the back of the first poster board 120 a/the second poster board 120b are hung on the sharp upper end portions of the hanging blocks 113, the mounted painting and calligraphy art is hung and stored, a safety gap is reserved between the first poster board 120a and the second poster board 120b, the painting and calligraphy art is prevented from being stacked and extruded, when the painting and calligraphy need to be taken out, the first poster board 120 a/the second poster board 120b is selected and clamped through the self-selection clamping mechanism 200, the falling device 300 drives the self-selection clamping mechanism 200 to move downwards synchronously with the clamped poster board 120 a/the second poster board 120b, and the two limiting blocks 116 move away from each other against the elastic force of the limiting springs 117 and are separated from the hanging blocks 113.

Referring to fig. 8-10, the optional clamping mechanism 200 is disposed on the top of the pasting board 120, the optional clamping mechanism 200 is disposed in two sets and arranged in bilateral symmetry, the optional clamping mechanism 200 includes a first mounting frame 201, a second guide rod 202 parallel to the opening direction of the opening 103 is disposed on the first mounting frame 201, the second guide rod 202 is slidably sleeved with a first clamping assembly for clamping the first pasting board 120a and a second clamping assembly for clamping the second pasting board 120b, the first clamping assembly 120a includes a first clamping block 203 and a second clamping block 204 slidably sleeved on the second guide rod 202 along the axial direction of the second guide rod 202, the first clamping block 203 and the second clamping block 204 are located on opposite sides of the first pasting board 120a, the second clamping assembly 120b includes a third clamping block 205 and a fourth clamping block 206 slidably sleeved on the second guide rod 202 along the axial direction of the second guide rod 202, the third clamping block 205 and the fourth clamping block 206 are located on opposite sides of the second pasting board 120b, the first clamping assembly and the second clamping assembly are set to be in a clamping state and a separating state which can be switched mutually, the first clamping assembly and the second clamping assembly alternately clamp the correspondingly arranged poster boards 120, and when the first clamping assembly is in the clamping state, the second clamping assembly is in the separating state; when the first clamping component is in the clamping state, the second clamping component is in the separating state, and in the initial state, the first clamping component is in the clamping state and the second clamping component is in the separating state.

Specifically, when the first clamping assembly/the second clamping assembly is controlled to switch between the clamping state and the separating state, a screw rod 207 which is parallel to the second guide rod 202 and is axially arranged is rotatably arranged on the first mounting frame 201, the screw rod 207 is arranged into four sections which are equidistant along the length direction of the screw rod 207, the first clamping block 203 and the first section of the screw rod 207 form threaded connection and matching, the second clamping block 204 and the second section of the screw rod 207 form threaded connection and matching, the third clamping block 205 and the third section of the screw rod 207 form threaded connection and matching, the fourth clamping block 206 and the fourth section of the screw rod 207 form threaded connection and matching, wherein the first section and the second section of the screw rod 207 are opposite in spiral direction, the third section and the fourth section of the screw rod 207 are opposite in spiral direction, and a driven gear 208 which controls the screw rod 207 to rotate is coaxially sleeved at the middle position of the screw rod 207.

In the working process of the self-selection clamping mechanism 200, when the first pasting board 120a needs to be taken out, the falling device 300 drives the self-selection clamping mechanism 200 and the first pasting board 120a to synchronously move downwards, then the first pasting board 120a is taken out from the opening 103, when the second pasting board 120b needs to be taken out, the self-selection control mechanism 400 switches the first clamping assembly to the separation state, the second clamping assembly is switched to the clamping state, then the falling device 300 drives the self-selection clamping mechanism 200 and the second pasting board 120b to synchronously move downwards, and then the second pasting board 120b is taken out from the opening 103.

Referring to fig. 11 to 16, the dropping device 300 includes an elevating mechanism 310 for driving the self-selecting clamping mechanism 200 to move downward integrally, a releasing mechanism 320 for releasing the clamping of the pair of first pasting boards 120a of the clamping assembly, and a holding mechanism 330 for receiving the downwardly moving first pasting boards 120 a/second pasting boards 120b, wherein the releasing mechanism 320 is provided in two sets and arranged corresponding to the two clamping assemblies, and the holding mechanism 320 is provided at the bottom of the box body 101.

Referring to fig. 11 to 15, the lifting mechanism 310 includes a fixed bottom plate 311 fixedly connected to the bottom of the box body 101, a vertical rod 312 is disposed between the fixed bottom plate 311 and the top of the box body 101, and the vertical rod 312 is axially and vertically disposed, the vertical rod 312 is disposed in two and is bilaterally symmetric to the opening direction of the opening 103, a sliding sleeve 313 is sleeved on the vertical rod 312, the sliding sleeve 313 matches with the vertical rod 312 and forms a sliding guide fit along the vertical direction, the sliding sleeve 313 is fixedly connected to the first mounting frame 201, a rectangular mounting plate 314 is disposed between the sliding sleeve 313 and the plane of the door 104, the length direction of the mounting plate 314 is vertically disposed and the mounting plate 314 is perpendicular to the posting plate 120, in order to support the mounting plate 314, a third guide rod 315a is disposed outside the sliding sleeve 313, the third guide rod 315a is disposed in multiple and is arrayed along the length direction of the sliding sleeve 313, the mounting plate 314 is sleeved on the third guide And a return spring 315b is arranged between the sliding sleeve 313 and the mounting plate 314, the return spring 315b is provided in plurality and is staggered with the guide rod three 315a, and the axial direction of the return spring 315 is parallel to the axial direction of the guide rod three 315a and is in a free state.

Specifically, the synchronous downward movement of the first mounting frame 201 is realized by driving the vertical downward movement of the mounting plate 314, for this reason, a first rack 316 which is matched with and vertically arranged on one side surface of the mounting plate 314 away from the sliding sleeve 313 is arranged, the tooth crest of the first rack 316 is flush with the inner side surface of the mounting plate 314, a second mounting frame 317 which is fixedly connected with the box body 101 is arranged between the first rack 316 and the sealing door 104, a first rotating shaft 318a which is parallel to the opening direction of the opening 104 is rotatably arranged on the second mounting frame 317, a transition gear 318b which is in key connection and matching with the first rotating shaft 318a is sleeved on the first rotating shaft 318a in an axial sliding manner, the transition gear 318b is meshed with the first rack 316, the vertical downward movement of the first rack 316 is realized by the clockwise rotation of the transition gear 318b, for this reason, a second rack 319 which is matched with and vertically arranged on the side, the tooth top of the second rack 319 is flush with the inner side surface of the sealing door 104, and the second rack 319 is meshed with the transition gear 318 b.

In the working process of the lifting mechanism 310, a user opens the sealing door 104 and pushes the sealing door upwards along the vertical direction to open, in the process, the second rack 319 moves upwards synchronously, the second rack 319 drives the transition gear 318b to rotate clockwise around the axis of the transition gear, the first transition gear 318b drives the first rack 316 to move downwards vertically, the first rack 316 drives the mounting plate 314 to move downwards synchronously, the mounting plate 314 drives the sliding sleeve 313 to slide downwards vertically along the upright rod 312, the sliding sleeve 313 drives the first mounting frame 201 to move downwards, and the first clamping assembly/the second clamping assembly vertically moves downwards to enable the corresponding pasting plate 120 to fall to the opening of the opening 103.

In the process of taking out the first poster board 120a, when the first poster board 120a falls to the opening of the opening 103, the first clamping assembly cancels the clamping of the first poster board 120a by the disengaging mechanism 320, and the first poster board 120a is taken out from the opening 103; in the process of taking out the second poster board 120, before the lifting mechanism 310 operates, the optional control mechanism 400 switches the clamping component two to the clamping state and switches the clamping component one to the separation state, then the lifting mechanism 310 drops the second poster board 120b to the opening of the opening 103, at the moment, the optional control mechanism 400 cancels the control of the clamping component two, the clamping component two automatically resets to release the clamping of the second poster board 120b, and the second poster board 120b is taken out from the opening 103.

Referring to fig. 13, as a more optimized scheme of the present invention, the mounting plate 314 drives the sliding sleeve 313 to vertically slide downward through the third guide rod 315a, so as to drive the first mounting frame 201 to vertically move downward, in order to reduce the stress of the third guide rod 315a, the first mounting frame 201 is provided with the guide block 314a, the top of the mounting plate 314 is provided with the guide groove 314b, and the guide block 314a is matched with the guide groove 314b and forms a sliding guide fit along the opening direction parallel to the opening 103.

Referring to fig. 14, the disengaging mechanism 320 includes a second rotating shaft 321 rotatably disposed on the second mounting bracket 317, an axial direction of the second rotating shaft 321 is parallel to an axial direction of the first rotating shaft 318a and the second rotating shaft 321 is located below the first rotating shaft 318a, a trigger gear 322 is coaxially disposed on the second rotating shaft 321 and the trigger gear 322 is engaged with the transition gear 318b, a half gear 323 is also coaxially disposed on the second rotating shaft 321 and the half gear 323 is disposed corresponding to the driven gear 208.

In the working process of the disengaging mechanism 320, when the poster board one 120a falls, the transition gear 318b drives the trigger gear 322 to rotate around the axis thereof, the trigger gear 322 drives the half gear 323 to synchronously rotate, when the poster board one 120a falls to the opening 103, the half gear 323 is meshed with the driven gear 208 and drives the driven gear 208 to rotate, and the driven gear 208 drives the screw rod 207 to rotate, so that the clamping assembly one is switched from the clamping state to the separating state.

Referring to fig. 16, in order to support the poster board 120 falling to the opening of the opening 104, the supporting mechanism 330 includes a rectangular floating block 331 disposed between two vertical rods 312, the floating block 311 is movably sleeved on the vertical rods 312 along the vertical direction, a guiding component is disposed between one end of the floating block 331 along the length direction and the fixed bottom plate 311, the guiding component includes a lug 332 fixedly connected with the floating block 331, a sliding rod 333 vertically disposed on the fixed bottom plate 311, the lug 332 is movably sleeved on the sliding rod 333, the lug 332 is matched with the sliding rod 333 and forms a sliding guiding fit along the vertical direction, a plurality of buffer springs 334 are disposed between the floating block 331 and the fixed bottom plate 311, the buffer springs 334 are disposed in bilateral symmetry along the opening direction parallel to the opening 103, one end of the buffer spring 334 is abutted with the floating block 331, the other end is abutted with the fixed bottom plate 311, and the elastic force of the buffer spring 334 is always abutted to the floating block 331 by the fixed bottom plate 311, the up end of floating block 331 inlays and is equipped with rather than the rectangle bearing block 335 that matches, and bearing block 335 up end is provided with and posts board 120 assorted draw-in groove 336, and draw-in groove 336 includes draw-in groove one and draw-in groove two, and draw-in groove one corresponds with a poster board 120a and arranges, and draw-in groove two corresponds with poster board two 120b and arranges.

Specifically, in order to facilitate a user to take out the poster board 120 falling into the slot 336, a sliding assembly is arranged between the bearing block 335 and the floating block 331, the sliding assembly is provided with two guide blocks 337b arranged at one end of the bearing block 335 along the length direction, the sliding assembly comprises a guide block 337b arranged at one end of the bearing block 335 along the length direction, a guide groove 337a arranged on the floating block 331 and matched with the guide block 337b, the guide block 337b and the guide groove 337b form a sliding guide fit along a direction parallel to the opening direction of the opening 103, in order to facilitate the control of the bearing block 335 to slide close to the opening 103, a threaded rod 338 arranged parallel to the opening direction of the opening 103 is rotatably arranged on the floating block 331, a threaded connection fit is formed between the threaded rod 338 and the bearing block 335, in order to facilitate the user to control the threaded rod 338, an auxiliary door 106 arranged corresponding to the threaded rod 338 is arranged on the, a second door lock for locking the auxiliary door 106 and the box body 101 is provided therebetween.

In the working process of the supporting mechanism 330, the lifting mechanism 310 drives the optional clamping mechanism 200 and the poster board 120 to move vertically downwards, the poster board 120 falls into the clamping groove 336 and drives the clamping groove 336 to move vertically downwards, the supporting block 335 and the floating block 331 move synchronously downwards, the buffer spring 334 is gradually compressed and buffers the poster board 120, the elastic potential energy of the buffer spring 334 is released and reset, the supporting block 335 and the floating block 31 reset, the first clamping assembly/the second clamping assembly are released from clamping the poster board 120, the auxiliary door 106 is opened to rotate the threaded rod 338, the supporting block 335 slides close to the opening 103, and then the user takes the poster board 120 out of the storage box 100.

Referring to fig. 17 and 18, as a more complete solution of the present invention, in order to avoid that the overall gravity of the self-selecting clamping mechanism 200 and the mounting plate 314 is greater than the gravity of the door seal 104, which causes the door seal 104 to automatically move upwards at the moment when the first door lock 105 is opened, and the first clamping assembly and the second clamping assembly in the self-selecting clamping mechanism 200 cannot be switched timely, a blocking mechanism 340 for restraining the door seal 104 is disposed on the top of the door seal 104, the blocking mechanism 340 is disposed in two sets and is arranged symmetrically left and right along the opening direction of the opening 103, the blocking mechanism 340 includes a third mounting frame 341 fixedly connected to the inner wall of the box body 101, a sliding slot 342 is disposed on the third mounting frame 341, a blocking block 343 matched with the sliding slot 342 and extending toward the top of the door seal 104 is disposed in the sliding slot 342, the blocking block 343 is disposed in a sharp shape near one end of the door seal 104, and the blocking block 343 and the sliding slot 342 form a sliding, in order to make the blocking piece 343 can carry out effective blocking to the door 104, be provided with blocking spring 344 between blocking piece 343 and the spout 342, blocking spring 344 one end is contradicted with blocking piece 343, the other end is contradicted with the lateral wall of spout 342 and the elasticity of blocking spring 344 promotes the mutual motion of being close to of blocking piece 343 of symmetrical arrangement all the time, and the meaning of taking this scheme lies in, carries on spacingly to the door 104, avoids the door 104 to slide upwards by oneself.

Referring to fig. 19-22, in an initial state, the first clamping assembly is in a clamping state and clamps the first poster board 120a, the second clamping assembly is in a separated state, and when the second poster board 120b needs to be taken, the second clamping assembly needs to be switched to the clamping state and the first clamping assembly needs to be switched to the separated state, for this purpose, the self-selecting clamping mechanism 200 comprises a first supporting frame 401 and a second supporting frame 403 which are arranged on the first mounting frame 201, the first supporting frame 401 is rotatably provided with a driving gear 402 and the axial direction of the driving gear 402 is parallel to the axial direction of the driven gear 208, the driving gear 402 is meshed with the driven gear 208, the second supporting frame 403 is rotatably provided with a first bevel gear 404 and the axial direction of the bevel gear 404 is parallel to the width direction of the box body 101, the driving gear 402 is coaxially provided with a second bevel gear 405 and the, a connecting rod 406 is arranged between the eccentric position of the first bevel gear 404, which is far away from one end surface of the tooth surface of the first bevel gear, and the mounting plate 314, one end of the connecting rod 406 is in rotating connection fit with the eccentric position of the first bevel gear 404, which is far away from one end surface of the tooth surface of the first bevel gear, and the axial direction of the connecting rod is parallel to the width direction of the box body 101, and the other end of the connecting rod 406 is in rotating connection fit with the mounting plate 314 and the axial direction of.

During the operation of the optional control mechanism 400, when the second poster board 120b needs to be taken out, the user pushes the seal door 104 towards the inside of the box body 101, the seal door 104 drives the transition gear 318b to synchronously move along the first rotating shaft 318a and make the transition gear 318b and the trigger gear 322 separate from each other, the transition gear 318b drives the mounting plate 314 to synchronously move along the third guide rod 315a, the return spring 315b gradually compresses and the elastic potential energy increases, the second bevel gear 405 rotates around the self axis under the driving of the connecting rod 406, the second bevel gear 405 drives the first bevel gear 404 to rotate around the self axis, the first bevel gear 404 drives the driving gear 402 to synchronously rotate, the driving gear 402 drives the driven gear 208 to rotate, the driven gear 208 drives the screw rod 207 to rotate, the second clamping assembly is switched to the clamping state, the first clamping assembly is switched to the separating state, at this time, the seal door 104 is pushed upwards at the same time of pushing the seal door 104 towards the inside of the box body 101, the lifting mechanism 310 drives the optional clamping mechanism 200 and the second poster board 120b to move downwards and enable the second poster board 120b to fall onto the supporting mechanism 330, then, a user releases a pushing force which is applied to the sealing door 104 and moves towards the interior of the box body 101, the elastic potential energy of the return spring 315b is released and pushes the mounting plate 314 to slide along the guide rod three 315a to be reset close to the opening 103, in the process, the optional control mechanism 400 automatically resets and enables the clamping assembly two to be switched to a separated state, the clamping assembly two cancels clamping of the second poster board 120b, and finally the second poster board 120b is taken out of the opening 103.

firstly, hanging and storing painting and calligraphy art;

s1: mounting painting and calligraphy art on the first poster board 120 a/the second poster board 120b and hanging the first poster board 120 a/the second poster board 120b on the hanging mechanism 110 at the top of the storage box 100;

the storage box 100 comprises a box body 101 which is rectangular and vertical and has a backward opening, a rear cover 102 detachably connected and matched with the opening is arranged at the opening of the box body 101, a rectangular opening 103 is arranged on the lower side of the front end face of the box body 101, a sealing door 104 matched with the opening 103 and movably arranged with the opening 103 is arranged on the opening 103, a posting board 120 for mounting painting and calligraphy art and a hanging mechanism 110 for hanging the posting board 120 are movably arranged in the box body 101, the posting board 120 comprises a first posting board 120a and a second posting board 120b, the sealing door 104 is set in a sealing state and an opening state which can be mutually switched, and the sealing door 104 and the box body 101 form sliding guide matching along the vertical direction;

the hanging mechanism 110 comprises a fixed top plate 111 fixedly connected with the top of the box body 101, the fixed top plate 111 is connected with two hanging rods 112 vertically arranged downwards, the hanging rods 112 are vertically arranged, the two hanging rods 112 are symmetrically arranged front and back, the lower end of each hanging rod 112 is provided with a hanging block 113, the upper end and the lower end of each hanging block 113 are arranged in a sharp shape, the middle of the back of the pasting plate 120 is provided with a fixed block 114, one end face of each fixed block 114, which is far away from the pasting plate 120, is provided with two mounting protrusions, the two mounting protrusions are symmetrically arranged left and right along the opening direction parallel to the opening 103, the mounting protrusions are mutually close to one end faces, a guide rod one 115 is horizontally arranged, the axial direction of the guide rod one 115 is parallel to the plane of the opening 103, a limiting block 116 is sleeved on the guide rod one 115, and the limiting block 116 is matched with the guide, the two limiting blocks 116 which are symmetrically arranged are close to one end face and mutually abut against each other, the end face is arranged to be sharp-pointed and matched with the hanging block 113, the two limiting blocks 116 are hung on the hanging block 113, a limiting spring 117 is arranged between each limiting block 116 and the corresponding mounting protrusion, one end of each limiting spring 117 abuts against the corresponding limiting block 116, the other end of each limiting spring 117 abuts against the corresponding mounting protrusion, and the elastic force of each limiting spring 117 always points to the corresponding limiting block 116 from the corresponding mounting protrusion;

during the working process of the hanging mechanism 110, a user mounts the painting and calligraphy art on the first pasting board 120a and the second pasting board 120b, the limiting block 116 on the back of the first pasting board 120 a/the second pasting board 120b is hung at the sharp part at the upper end of the hanging block 113, the mounted painting and calligraphy art is hung and stored, and a safety gap is reserved between the first pasting board 120a and the second pasting board 120 b;

(II) selecting a clamping stage;

s2: when the painting and calligraphy art on the first pasting board 120 a/the second pasting board 120b needs to be taken out for exhibition, the optional control mechanism 400 controls the optional clamping mechanism 200 to clamp the first pasting board 120 a/the second pasting board 120 b;

the self-selecting clamping mechanism 200 is arranged at the top of the pasting board 120, two groups of self-selecting clamping mechanisms 200 are arranged symmetrically left and right, the self-selecting clamping mechanism 200 comprises a first mounting frame 201, a second guide rod 202 parallel to the opening direction of the opening 103 is arranged on the first mounting frame 201, a first clamping assembly for clamping the first tensioning pasting board 120a and a second clamping assembly for clamping the second tensioning pasting board 120b are slidably sleeved on the second guide rod 202 in a sliding manner, the first clamping assembly 120a comprises a first clamping block 203 and a second clamping block 204 which are slidably sleeved on the second guide rod 202 along the axial direction of the second guide rod 202, the first clamping block 203 and the second clamping block 204 are positioned on different sides of the first pasting board 120a, the second clamping assembly 120b comprises a third clamping block 205 and a fourth clamping block 206 which are slidably sleeved on the second guide rod 202 along the axial direction of the second guide rod 202, the third clamping block 205 and the fourth clamping block 206 are positioned on different sides of the second pasting board 120b, and the first clamping assembly and the second clamping assembly and the clamping assembly are both, the first clamping assembly and the second clamping assembly alternately clamp the correspondingly arranged poster boards 120, and when the first clamping assembly is in a clamping state, the second clamping assembly is in a separation state; when the second clamping component is in a clamping state, the first clamping component is in a separated state, and in an initial state, the first clamping component is in a clamping state and the second clamping component is in a separated state;

a screw rod 207 which is parallel to the second guide rod 202 and is axially arranged is rotatably arranged on the first mounting rack 201, the screw rod 207 is arranged into four sections which are equidistant along the length direction of the screw rod, the first clamping block 203 and the first section of the screw rod 207 form threaded connection fit, the second clamping block 204 and the second section of the screw rod 207 form threaded connection fit, the third clamping block 205 and the third section of the screw rod 207 form threaded connection fit, the fourth clamping block 206 and the fourth section of the screw rod 207 form threaded connection fit, wherein the first section and the second section of the screw rod 207 have opposite spiral directions, the third section and the fourth section of the screw rod 207 have opposite spiral directions, the first section and the fourth section of the screw rod 207 have the same spiral direction, and a driven gear 208 which controls the screw rod 207 to rotate is coaxially sleeved at the;

in the working process of the optional clamping mechanism 200, in an initial state, the first clamping assembly is in a clamping state and the second clamping assembly is in a separation state, and the first clamping assembly clamps the first pasting board 120 a; when the second poster board 120b needs to be taken out, the optional control mechanism 400 switches the first clamping assembly to the separation state, the second clamping assembly to the clamping state, and the two pairs of poster boards 120b are clamped by the clamping assemblies;

(III) a painting and calligraphy art extraction stage;

s3: the falling device 300 drives the self-selection clamping mechanism 200 and the first pasting board 120 a/the second pasting board 120b clamped by the self-selection clamping mechanism to synchronously move downwards, and enables the first pasting board 120 a/the second pasting board 120b to be automatically separated from the hanging mechanism 110, when the self-selection clamping mechanism 200 and the first pasting board 120 a/the second pasting board 120b clamped by the self-selection clamping mechanism move to the opening 103, a user takes out the first pasting board 120 a/the second pasting board 120b from the opening 130, and the automatic selective taking-out of the painting and calligraphy art is completed;

the falling device 300 comprises a lifting mechanism 310 for driving the self-selecting clamping mechanism 200 to move downwards integrally, a separation mechanism 320 for releasing the clamping of the pair of first pasting boards 120a of the clamping components, and a supporting mechanism 330 for receiving the first pasting boards 120 a/second pasting boards 120b moving downwards, wherein the separation mechanism 320 is provided with two groups and is arranged corresponding to the two first clamping components, and the supporting mechanism 320 is arranged at the bottom of the box body 101;

the lifting mechanism 310 comprises a fixed bottom plate 311 fixedly connected with the bottom of the box body 101, vertical rods 312 are arranged between the fixed bottom plate 311 and the top of the box body 101, the vertical rods 312 are axially and vertically arranged, the vertical rods 312 are arranged in a left-right symmetrical mode along the opening direction of the opening 103, sliding sleeves 313 are sleeved on the vertical rods 312, the sliding sleeves 313 are matched with the vertical rods 312 and form sliding guide fit along the vertical direction, the sliding sleeves 313 are fixedly connected with the first mounting frame 201, rectangular mounting plates 314 are arranged between the sliding sleeves 313 and the plane where the sealing door 104 is located, the length direction of the mounting plates 314 is vertically arranged and the mounting plates 314 are perpendicular to the posting plate 120, guide rod three 315a is arranged outside the sliding sleeves 313, the guide rod three 315a is arranged in a plurality and is arranged in an array along the length direction of the sliding sleeves 313, the mounting plates 314 are sleeved on the guide rod three 315a and, a plurality of return springs 315b are arranged between the sliding sleeve 313 and the mounting plate 314, and the return springs 315b are arranged and staggered with the guide rods three 315a, and the axial direction of the return springs 315 is parallel to the axial direction of the guide rods three 315a and is in a free state;

a first rack 316 which is matched with the sliding sleeve 313 and is vertically arranged is arranged on one side face of the mounting plate 314, the tooth top of the first rack 316 is arranged flush with the inner side face of the mounting plate 314, a second mounting frame 317 which is fixedly connected with the box body 101 is arranged between the first rack 316 and the sealing door 104, a first rotating shaft 318a which is parallel to the opening direction of the opening 104 is rotatably arranged on the second mounting frame 317, a transition gear 318b which is in key connection and matched with the first rotating shaft 318a is sleeved on the first rotating shaft 318a in an axial sliding manner, the transition gear 318b is meshed with the first rack 316, a second rack 319 which is matched with the first sealing door 104 and is vertically arranged is arranged on the side face of the sealing door 104 close to the first rack 316, the tooth top of the second rack 319 is arranged flush with the inner side;

in the working process of the falling device 300, a user opens the sealing door 104 and pushes the sealing door upwards along the vertical direction for opening, in the process, the second rack 319 moves upwards synchronously, the second rack 319 drives the transition gear 318b to rotate clockwise around the axis of the transition gear, the transition gear 318b drives the first rack 316 to move downwards vertically, the first rack 316 drives the mounting plate 314 to move downwards synchronously, the mounting plate 314 drives the sliding sleeve 313 to slide downwards vertically along the upright rod 312, the sliding sleeve 313 drives the first mounting frame 201 to move downwards, and the first clamping assembly/the second clamping assembly vertically moves downwards, so that the corresponding posting plate 120 falls to the opening 103 of the opening;

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A storage method convenient for selectively extracting painting and calligraphy art comprises the following steps:

firstly, hanging and storing painting and calligraphy art;

the storage box comprises a rectangular vertical box body with a backward opening, a rear cover detachably connected and matched with the opening is arranged at the opening of the box body, an opening is formed in the lower side of the front end face of the box body, a sealing door matched with the opening and movably arranged with the opening is arranged on the opening, a pasting plate for mounting painting and calligraphy art and a hanging mechanism for hanging the pasting plate are movably arranged in the box body, the pasting plate comprises a pasting plate I and a pasting plate II, the sealing door is set into a sealing state and an opening state which can be mutually switched, and the sealing door and the box body form sliding guide matching along the vertical direction;

the hanging mechanism comprises a fixed top plate fixedly connected with the top of the box body, two hanging rods vertically arranged downwards are connected and arranged on the fixed top plate, the hanging rods are symmetrically arranged front and back, the lower ends of the hanging rods are provided with hanging blocks, the upper ends and the lower ends of the hanging blocks are all arranged to be sharp, a fixed block is arranged in the middle of the back surface of the pasting plate, two end faces, away from the pasting plate, of the fixed blocks are provided with mounting bulges, the mounting bulges are arranged symmetrically left and right along the direction parallel to the opening of the opening, the mounting bulges are horizontally provided with guide rods close to one end faces, the axial direction of the guide rod I is parallel to the plane where the opening is located, a limiting block is sleeved on the guide rod I, the limiting block is matched with the guide rod I, the limiting blocks form sliding guide fit along the axial direction of the guide rod I, the two limiting blocks in symmetrical arrangement are mutually close to one end, the two limiting blocks are hung on the hanging block, a limiting spring is arranged between each limiting block and the corresponding mounting protrusion, one end of each limiting spring is abutted against each limiting block, the other end of each limiting spring is abutted against the corresponding mounting protrusion, and the elastic force of each limiting spring is always directed to the corresponding limiting block by the corresponding mounting protrusion;

(II) selecting a clamping stage;

the self-selection clamping mechanism is arranged at the top of the poster board, the self-selection clamping mechanism is provided with two groups and is arranged in a bilateral symmetry manner, the self-selection clamping mechanism comprises a first mounting frame, a second guide rod parallel to the direction of an open opening is arranged on the first mounting frame, a first clamping component for clamping the first poster board and a second clamping component for clamping the second poster board are slidably sleeved on the second guide rod, the first clamping component comprises a first clamping block and a second clamping block which are slidably sleeved on the second guide rod, the first clamping block and the second clamping block are located on different sides of the first poster board, the second clamping component comprises a third clamping block and a fourth clamping block which are slidably sleeved on the second guide rod, the third clamping block and the fourth clamping block are located on different sides of the second poster board, the first clamping component is set into a mutually-switching clamping state and a separating state, the second clamping component is set into a mutually-switching clamping state and a separating state, and the first clamping component and the second clamping component alternately clamp the poster board arranged, when the first clamping assembly is in a clamping state, the second clamping assembly is in a separated state; when the second clamping component is in a clamping state, the first clamping component is in a separated state, and in an initial state, the first clamping component is in a clamping state and the second clamping component is in a separated state;

the first mounting rack is rotatably provided with a screw rod which is arranged in parallel to the second axial direction of the guide rod, the screw rod is arranged into four sections with equal intervals along the length direction of the screw rod, the first clamping block and the first section of the screw rod form threaded connection fit, the second clamping block and the second section of the screw rod form threaded connection fit, the third clamping block and the third section of the screw rod form threaded connection fit, the fourth clamping block and the fourth section of the screw rod form threaded connection fit, the first section of the screw rod is opposite to the direction of the spiral of the second section, the third section of the screw rod is opposite to the direction of the spiral of the fourth section of the screw rod, the first section of the screw rod and the fourth section of the screw rod have the same spiral direction, and;

(III) a painting and calligraphy art extraction stage;