Transportation rack

Abstract

The transportation rack comprises a bearing bottom frame, and two side plate mechanisms which are oppositely arranged in a spaced mode are arranged on the bearing bottom frame; any side plate mechanism comprises a supporting base plate, the supporting base plate comprises a supporting edge and a limiting side baffle, and a limiting part is arranged on the supporting edge; an avoiding limiting carrier plate is connected to the supporting base plate, and a matched limiting part is arranged on the avoiding limiting carrier plate. At the locking position, the avoiding limiting carrier plate is located at the top of the supporting base plate and is relatively limited with the supporting base plate, and the matching limiting part is relatively matched with the limiting part; at the feeding and discharging avoiding position, the avoiding limiting carrier plate moves back to the supporting base plate, and the projection area of the avoiding limiting carrier plate is separated from the supporting edge. The conveying and carrying requirements of the coil stock are met, and coil stock carrying and limiting are stable. The locking position combination structure among the avoiding limiting carrying plate, the supporting base plate and the pivot limiting carrying pile is simple and ingenious, and the operation convenience of the material frame is greatly improved. The material frame is reliable in structural strength, and the effective service life is guaranteed while cyclic utilization is met.

Description

Technical Field

[0001] The invention relates to a transport material rack, and belongs to the technical field of material circulation transport material racks. Background Art

[0002] Transport packaging involves multiple departments and multiple operations. Its purpose is to strengthen transportation and protect products. The quality of packaging reflects the level of development of a country's comprehensive productivity to a certain extent.

[0003] Currently, there is a demand for the packaging and transportation of material rolls. A material roll is a product structure that is wound around a material shaft to contain film materials, including polymer films, metal films, graphite calendered films, etc. Such material rolls need to be protected during transportation. Generally, the material shaft is required to be limited so that there is no large contact force on the roll on the material shaft. Only in this way can the roll be effectively protected to prevent it from being over-pressure deformed and causing product damage.

[0004] Traditionally, such rolls are usually packaged and loaded in cartons for transportation. In order to limit the material shaft, a limiting support structure for the material shaft is usually set in the carton. For example, the packaging device for slit polymer film shafts disclosed in authorization publication number CN215437282U forms a built-in containment packaging structure by supporting the two ends of the material shaft and the material roll, which meets the packaging, storage and protection needs of the material rolls. However, this type of paper box packaging is only suitable for rolls of smaller weight and volume. The loading method of rolls of larger weight and volume will result in insufficient load-bearing capacity and damage to the carton.

[0005] When transporting large material rolls, a new type of wooden box for copper foil packaging and transportation disclosed in authorization announcement number CN205525492U is generally used. The box body and the box cover are coordinated to meet the internal storage requirements of the material rolls. At the same time, the support and limiting structure of the material shaft is used to support and carry the material shaft, achieving good storage and protection, and is safer during transportation.

[0006] The coil packaging box with this wooden box structure is the main packaging at present. In the actual transportation and turnover process of the coils, there are also operations such as loading and packing the coils, unloading the coils, and recycling and reusing the packaging boxes. It is very difficult to unload the coils with traditional wooden packaging boxes, and the wooden boxes will be damaged during the unloading process, affecting their secondary use. In addition, traditional wooden packaging boxes are larger in size and have higher transportation costs when recycled. At the same time, they will also have a higher scrap rate when reused, affecting their recycling and causing waste of resources.

[0007] To address this defect, Chinese invention patent publication number CN116216078A discloses a material roll transport rack, which adopts a four-sided pivot flip structure to achieve cyclic transportation of material rolls and facilitate unloading. However, its four-sided enclosed structure affects the convenience of operation.

[0008] The Chinese invention patent with publication number CN116331628A discloses a roll material recycling packaging device, which optimizes the original four-sided pivot flip structure and only uses two opposite pivot flaps to meet the transportation and folding requirements of the roll material, thereby improving and optimizing the cost and operability.

[0009] However, the packaging device uses a support seat on the support frame to support and limit the material shaft of the coil, and uses the locking and loosening structure of the support seat to lock and release the material shaft. The locking structure of the support seat has poor stability and is prone to deformation, which is not conducive to the recycling of the material rack. In addition, the loosening and locking structure of the support seat is also cumbersome to operate. At the same time, the structural strength of the upright state of the support seat cannot be guaranteed. Summary of the invention

[0010] The purpose of the present invention is to solve the above-mentioned deficiencies in the prior art, and to propose a transport material rack in view of the problems that the supporting structure and the limiting structure of the traditional coil material have poor strength and insufficient operability.

[0011] In order to achieve the above object, the technical solution adopted by the present invention is: A transport rack, used for carrying coils with a material shaft, comprises a supporting base frame, on which two side plate mechanisms are arranged relatively and spaced apart; Any of the side plate mechanisms comprises a support base supported on the supporting chassis, the support base comprises a support edge and a limiting edge stop arranged on the support edge for limiting the free end of the material shaft, and the support edge is provided with at least one limiting portion for limiting the material shaft; The support base plate is connected with an avoidance limit carrier plate having a material loading and unloading avoidance position and a locking position, and the avoidance limit carrier plate is provided with a matching limit portion which is arranged in a one-to-one correspondence with the limit portion and is used to limit the material shaft on the support edge; When in the locking position, the avoidance limit carrier plate is located on the top of the support base plate and is relatively limited with the support base plate, and the matching limit portion is relatively matched with the limit portion; When in the loading and unloading avoidance position, the avoidance limit carrier plate is displaced away from the supporting base plate, and the projection area of ​​the avoidance limit carrier plate is separated from the supporting edge.

[0012] Preferably, at least one pivot connection mechanism is provided between the avoidance limit carrier plate and the support substrate, the avoidance limit carrier plate has a pivot flip displacement facing away from the support substrate, and a locking and fixing mechanism is provided between the avoidance limit carrier plate and the support substrate for fixing the locking position.

[0013] Preferably, the pivot connection mechanism comprises a pivot rocker arm arranged on the support base plate and a pivot matching portion arranged on the avoidance limit carrier plate and pivotally matched with the pivot rocker arm, the pivot matching portion comprises a matching pile body, and a lifting movable pivot with lifting displacement in the matching pile body and matched with the pivot rocker arm; The locking and fixing mechanism comprises a plurality of positioning holes arranged on the supporting base plate and positioning pins arranged at the bottom of the avoidance and limiting carrier plate and correspondingly matched with the positioning holes one by one.

[0014] Preferably, a linear displacement mechanism for linearly displacing the avoidance limit carrier plate away from the support substrate and a locking mechanism for relatively locking the avoidance limit carrier plate and the support substrate in the locking position are provided between the avoidance limit carrier plate and the support substrate.

[0015] Preferably, any of the supporting substrates has a pivotal flipping displacement toward another of the supporting substrates; The supporting chassis is provided with a loading locking mechanism for locking the supporting base plate and / or the avoidance limit loading plate in the locking position.

[0016] Preferably, the support base plate and the supporting chassis are provided with a pivot matching mechanism; The pivot cooperation mechanism includes two pivot limit piles arranged at intervals and having the function of limiting the reverse pivot displacement of the supporting base plate, and pivot cooperation columns arranged on both sides of the supporting base plate and correspondingly cooperating with the pivot limit piles one by one. Any of the pivot cooperation columns is provided with an adjusting pivot for pivotally cooperating with the pivot limit piles and having a lifting and lowering displacement.

[0017] Preferably, at least one pivot connection mechanism is provided between the avoidance limit carrier plate and the support base plate, the pivot connection mechanism comprises a pivot rocker arm provided on the support base plate and a pivot matching portion provided on the avoidance limit carrier plate and pivotally matched with the pivot rocker arm, the pivot matching portion comprises a lifting movable pivot having a matching pile body and a lifting displacement in the matching pile body and matched with the pivot rocker arm; The locking and fixing mechanism comprises a plurality of positioning holes arranged on the supporting base plate, and positioning pins arranged at the bottom of the avoidance and limiting carrier plate and corresponding to the positioning holes one by one; Any of the pivot-cooperating columns is provided with the positioning hole; The loading locking mechanism includes a limiting groove arranged on the pivot limiting loading pile for limiting the pivot displacement of the avoidance limiting loading plate, and an inserting limiting body arranged at the bottom of the avoidance limiting loading plate and lockingly matched with the limiting groove.

[0018] Preferably, the bottom of the supporting frame is provided with a plurality of foot piles arranged one-to-one with the pivot limit load piles, the bottom of the foot piles are provided with stacked avoidance grooves, and the avoidance limit load plate is provided with matching column ends corresponding one-to-one with the foot piles.

[0019] Preferably, both ends of the support edge are respectively provided with inclined guide support surfaces, and the limiting portion is a limiting groove.

[0020] Preferably, the avoidance and limiting carrier plate includes a carrier plate frame body and a closed carrier plate arranged on the carrier plate frame body, and the mating limiting portion includes a concave groove arranged on the carrier plate frame body and an auxiliary limiting baffle plate arranged on the concave groove for auxiliary limiting the free end of the material shaft.

[0021] The beneficial effects of the present invention are mainly reflected in: 1. The support frame is combined with a set of relatively matched side plate mechanisms to meet the transportation and loading requirements of coiled materials, and the coiled material loading limit is stable.

[0022] 2. The pivot and lifting displacement design of the avoidance limit carrier plate is utilized to meet the requirements of deadweight interlocking and avoidance or folding release between the locking position, the supporting base plate and the pivot limit carrier pile. The combined structure is simple and ingenious, which greatly improves the convenience of material rack operation.

[0023] 3. The support base plate is combined with the avoidance limit carrier plate to support and limit the coil material, so that the structural strength of the material rack is guaranteed, meeting the recycling requirements while ensuring the effective service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is a schematic diagram of the locking position structure of the transport rack of the present invention.

[0025] Figure 2 It is a schematic diagram of the loading and unloading avoidance structure of the transport rack of the present invention.

[0026] Figure 3 It is a schematic diagram of the loading and unloading avoidance position loading structure of the transport material rack of the present invention.

[0027] Figure 4 It is a schematic diagram of the side view structure of the loading and unloading avoidance position of the transport rack of the present invention.

[0028] Figure 5 It is a structural schematic diagram of the loading and unloading avoidance position of the transport rack of the present invention from another perspective.

[0029] Figure 6It is a schematic diagram of the folding structure of the transport rack of the present invention. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] The present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant inventions, rather than to limit the inventions. It should also be noted that, for ease of description, only the parts related to the relevant inventions are shown in the accompanying drawings. It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0032] The present invention provides a transport rack, such as Figure 3 As shown, it is used to carry the coil 200 with the material shaft 100. The cross-sectional structure of the material shaft 100 and the coil 200 is not limited here, and it can be a circular cross-section, a rectangular cross-section, etc.

[0033] In this case, if Figures 1 to 6 As shown, the transport rack includes a supporting base frame 1, on which two side plate mechanisms 2 are arranged relatively and spaced apart.

[0034] Any side plate mechanism 2 includes a support base plate 3 supported on a supporting base frame, the support base plate 3 includes a support edge 31 and a limiting edge block 32 arranged on the support edge 31 for limiting the free end of the material shaft, and the support edge 31 is provided with at least one limiting portion 310 for limiting the material shaft.

[0035] The support base plate 3 is connected to an avoidance limit carrier plate 4 with a loading and unloading avoidance position and a locking position. The avoidance limit carrier plate 4 is provided with a matching limit portion 40 which is arranged one-to-one with the limit portion 310 and is used to limit the material shaft on the support edge.

[0036] When in the locked position, the avoidance limit carrier plate is located on the top of the support substrate and is relatively limited with the support substrate, and the matching limit parts are relatively matched with the limit parts.

[0037] When the loading and unloading materials are in the avoidance position, the avoidance limit carrier plate is displaced back to the supporting base plate, and the projection area of ​​the avoidance limit carrier plate is separated from the supporting edge.

[0038] Specific implementation process and principle description: When loading the coil 200, if Figures 2 to 4 As shown, at this time, the avoidance limit carrier plate 4 is displaced in the back direction so that the projection area of ​​the avoidance limit carrier plate is separated from the support edge. That is, the requirement of no shielding on the support edge is met. The displacement can be linear displacement or pivotal displacement. The displacement structure that only needs to meet the transmission coordination between the avoidance limit carrier plate 4 and the support base plate 3 is within the protection scope of this case.

[0039] The coil 200 is mounted so that both ends of the material shaft 100 are respectively supported on the corresponding limiting portions 310 on the supporting edge 31 of the supporting substrate 3 , thereby completing the mounting of the coil 200 .

[0040] After the coil 200 is loaded, the following steps are performed: Figure 1 The locking position shown is realized by avoiding the displacement of the limit carrier plate 4 to achieve relative locking with the supporting base plate. At this time, the limiting part 40 cooperates with the limiting part 310 to realize the loading locking limit of the material shaft 100. The relative position of the material shaft 100 on the supporting edge is fixed. At the same time, during transportation, stable restriction is achieved by cooperating with the limiting part 40 and the limiting part 310 to prevent the roll material 200 from deflecting or falling.

[0041] Because the limiting edge block 32 can prevent the material shaft 100 from axially moving, and because the matching limiting portion 40 cooperates with the limiting portion 310, the material shaft 100 is prevented from deflecting along the supporting edge 31 or bouncing in the height direction, so the mounting and locking is reliable and stable. The overall structural strength of the material rack is also guaranteed.

[0042] When unloading, Figures 2 to 4 As shown, when the projection area of ​​the avoidance limit carrier plate is separated from the supporting edge, when the coil 200 is unloaded, the coil 200 can be pushed so that its material axis 100 can be unloaded along the supporting edge 31, and the unloading is also convenient and quick.

[0043] It should be noted that the avoidance limit carrier plate 4 and the support base plate 3 are in a transmission relationship of connection, so no additional assembly, disassembly and locking operations are required, the relative limit operation is convenient and no parts will be lost during recycling.

[0044] In a specific embodiment, at least one pivot connection mechanism 5 is provided between the avoidance limit carrier plate 4 and the supporting substrate 3, the avoidance limit carrier plate 4 has a pivot flip displacement facing away from the supporting substrate, and a locking and fixing mechanism 6 is provided between the avoidance limit carrier plate 4 and the supporting substrate 3 for fixing the locked position.

[0045] Specifically, the embodiment realizes the relative connection and material avoidance requirements between the limit carrier plate 4 and the support base plate 3 through the structure of the pivot connection mechanism 5, and realizes the following through the pivot flip displacement: Figures 2 to 4 The projection area shown is shifted and avoided, thus meeting the loading and unloading requirements.

[0046] The locking and fixing mechanism 6 is used for Figure 1 The two locking positions shown can be locked, that is, by means of locking pins, latches, fasteners, bolts, etc., and the structures that only need to avoid pivotal displacement of the limit carrier plate 4 relative to the supporting base plate 3 when the locking position is met are all within the protection scope of this case.

[0047] In a preferred embodiment, the pivot connection mechanism 5 includes a pivot rocker arm 51 arranged on a supporting base plate and a pivot matching portion 52 arranged on an avoidance limit carrier plate and pivotally connected to the pivot rocker arm. The pivot matching portion 52 includes a matching pile body 521 and a lifting movable pivot with a lifting displacement in the matching pile body and matched with the pivot rocker arm.

[0048] The locking and fixing mechanism 6 comprises a plurality of positioning holes 61 arranged on the supporting base plate, and positioning pins 62 arranged at the bottom of the avoidance and limiting carrier plate and corresponding to the positioning holes one by one.

[0049] Specific implementation process and principle description: By combining the pivot rocker arm 51 with the pivot matching part 52, the avoidance limit carrier plate 4 has a combined displacement of pivot and lifting. When the loading and unloading avoidance position is realized, the avoidance limit carrier plate 4 is lifted to separate the positioning pin 62 and the positioning channel 61, and the pivot of the avoidance limit carrier plate 4 is flipped, thereby realizing the operation of the loading and unloading avoidance position.

[0050] When the locking position is realized, after the lifting and avoiding limit carrier plate 4 is pivotally turned into place, the locking requirement of the positioning pin 62 inserted into the positioning channel 61 can be met by avoiding the falling of the limit carrier plate 4 due to its own weight.

[0051] In a specific embodiment, a linear displacement mechanism for the avoidance limit carrier plate 4 and the supporting substrate 3 is provided between the avoidance limit carrier plate 4 and the supporting substrate 3, and a locking mechanism for locking the avoidance limit carrier plate and the supporting substrate relative to each other when in the locking position.

[0052] Specifically, this scheme is another feasible embodiment for realizing the loading and unloading avoidance position in the present case. The illustration of this embodiment is omitted in the accompanying drawings. Its sampling linear displacement mechanism can meet the displacement avoidance requirements of the avoidance limit carrier 4 relative to the supporting substrate 3, which is convenient for the up and down operations. When the locking position is realized, it is realized by linear resetting and locking mechanism. The locking mechanism can be a latch and other structures that can realize the relative locking of the supporting substrate 3 and the avoidance limit carrier 4. This embodiment can meet the actual application needs. Compared with the previous embodiment, it lacks clever linkage and is slightly lacking in operational convenience, but it is also a scheme that can realize the main purpose of this case.

[0053] In a specific embodiment, any supporting substrate 3 has a pivotal flipping displacement toward another supporting substrate; the supporting chassis 1 is provided with a loading locking mechanism 7 for locking the supporting substrate and / or the avoidance limit loading plate in the locking position.

[0054] Specifically, Figure 6 As shown, in order to reduce the volume of the rack when not in use, a foldable design of the supporting base plate 3 is adopted.

[0055] At this time, the supporting substrate 3 is turned over as shown in FIG. Figure 6 As shown, Figure 1 In the state shown, the material carrier locking mechanism 7 is used to lock the support substrate and / or the avoidance limit carrier, which can meet the overall locking requirements. The material carrier locking mechanism 7 can adopt various existing locking forms, such as a pin, a latch, etc., and any mechanism that only needs to meet the locking effect is within the scope of protection of this case.

[0056] In a specific embodiment, a pivot matching mechanism 8 is provided on the supporting base plate and the supporting chassis.

[0057] The pivot cooperation mechanism 8 includes two pivot limit piles 81 which are arranged at intervals and have the function of limiting the reverse pivot displacement of the supporting base plate, and pivot cooperation columns 82 which are arranged on both sides of the supporting base plate and cooperate with the pivot limit piles one by one. Any pivot cooperation column is provided with an adjusting pivot which is used to pivotally cooperate with the pivot limit piles and has the function of lifting and lowering displacement.

[0058] Specifically, when the support base plate is in the locked position, the support base plate is supported on the supporting frame. Through the design of the pivot matching mechanism 8, the pivot matching column 82 can be raised and lowered on the pivot limit pile 81 by adjusting the pivot, so that the support base plate can be pivotally folded after being raised to meet the folding application requirements.

[0059] The structure of the pivot limit pile 81 for limiting the reverse pivot displacement of the supporting base plate is explained. It can adopt a frame column with a U-shaped cross-section, whose open end is the pivotable flipping direction of the supporting base plate, and the other end can achieve closed limiting. There are two opposite grooves on the frame column to meet the lifting and lowering adjustment requirements after the two ends of the pivot are slidably connected.

[0060] In a specific embodiment, at least one pivot connection mechanism 5 is provided between the avoidance limit carrier plate and the supporting base plate, the pivot connection mechanism includes a pivot rocker arm 51 arranged on the supporting base plate and a pivot matching portion arranged on the avoidance limit carrier plate and pivotally matched with the pivot rocker arm, the pivot matching portion includes a lifting movable pivot having a matching pile body and a lifting displacement in the matching pile body and matched with the pivot rocker arm.

[0061] The locking and fixing mechanism 6 comprises a plurality of positioning holes 61 arranged on the supporting base plate, and positioning pins 62 arranged at the bottom of the avoidance and limiting carrier plate and corresponding to the positioning holes one by one.

[0062] A positioning hole 61 is provided on any pivot-cooperating column.

[0063] The loading locking mechanism 7 comprises a limiting groove 71 arranged on the pivot limiting loading pile for limiting the pivot displacement of the avoidance limiting loading plate, and an insert limiting body 72 arranged at the bottom of the avoidance limiting loading plate and lockingly matched with the limiting groove.

[0064] Specifically, this embodiment is an application optimization innovation of the previous embodiment, that is, by avoiding the lifting and pivot displacement structure of the limit carrier plate 4, the displacement and locking of the upper and lower material levels and the locking position can be realized.

[0065] At this time, by utilizing the lifting and lowering displacement of the avoidance limit carrier plate 4, the requirement of mounting and inserting the limit body 72 thereon can be met, and combined with the decrease of its own weight, an ingenious combination with the limit groove 71 can be achieved.

[0066] In this way, the downward displacement of the avoidance limit carrier 4 can satisfy the relative locking of the locking positions of the avoidance limit carrier 4, the supporting base plate 3, and the pivot limit carrier pile 81, so that the locking structure is optimized. At the same time, when only locking and loosening operations are required, it can be achieved by only pulling or releasing the limit carrier 4, so the operation is very convenient.

[0067] In a specific embodiment, the bottom of the supporting frame 1 is provided with a plurality of foot piles 10 arranged one-to-one with the pivot limit load piles, the bottom of the foot piles are provided with stacked avoidance grooves, and the avoidance limit load plate is provided with matching column ends 400 corresponding one-to-one with the foot piles.

[0068] Specifically, by coordinating the column end 400, the foot pile 10, and the pivot limit load pile 81, Figure 1 The stacking of the carriers in the locked position shown is Figure 6 The stacking requirements of the folded state shown greatly reduce the occupied space during transportation and storage.

[0069] In a specific embodiment, inclined guide support surfaces 311 are respectively provided at both ends of the support edge 31 , and the limiting portion 310 is a limiting groove.

[0070] Specifically, in general, the cross section of the material shaft 100 is circular, and the material shaft 100 can be limited by the arc-shaped limiting groove. When unloading, the coil 200 is pushed along the support edge 31 to escape from the limiting groove, and then the material can be pushed and unloaded relatively smoothly along the support edge 31 and the inclined guide support surface 311. The limiting groove is generally small in depth and only needs to meet the positioning of the pre-loaded material, and only a small force is required to push the material later.

[0071] Of course, a latch-limiting portion 310 structure may also be used, that is, two latches are used to limit the two ends of the material shaft 100 , using a material shaft 100 with a circular or rectangular cross-section, and the material shaft 100 can slide, roll, or other push-unloading displacements on the support edge 31 .

[0072] In a specific embodiment, the avoidance limit carrier 4 includes a carrier frame body 9 and a closed carrier 90 arranged on the carrier frame body 9, and the cooperating limit portion includes a concave groove 401 arranged on the carrier frame body and an auxiliary limit baffle 402 arranged on the concave groove for auxiliary limiting the free end of the material shaft.

[0073] The concave groove 401 can be used to limit the outer periphery of the material shaft 100, ensuring that its relative position after loading is reliable and preventing deviation and bouncing. The auxiliary limiting baffle 402 can achieve auxiliary limiting and axial end sealing of the material shaft 100. The material shaft 100 can be a solid or hollow pipe to prevent water, debris, etc. from entering the material shaft during transportation.

[0074] From the above description we can find that.

[0075] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus / device.

[0076] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A transport rack for carrying coiled materials with a material shaft, including a supporting chassis, characterized in that: The supporting chassis is provided with two side plate mechanisms which are arranged relatively and spaced apart from each other; Any of the side plate mechanisms comprises a support base supported on the supporting chassis, the support base comprises a support edge and a limiting edge stop arranged on the support edge for limiting the free end of the material shaft, and the support edge is provided with at least one limiting portion for limiting the material shaft; The support base plate is connected with an avoidance limit carrier plate having a material loading and unloading avoidance position and a locking position, and the avoidance limit carrier plate is provided with a matching limit portion which is arranged in a one-to-one correspondence with the limit portion and is used to limit the material shaft on the support edge; When in the locking position, the avoidance limit carrier plate is located on the top of the support base plate and is relatively limited with the support base plate, and the matching limit portion is relatively matched with the limit portion; When in the loading and unloading avoidance position, the avoidance limit carrier plate is displaced away from the supporting base plate, and the projection area of ​​the avoidance limit carrier plate is separated from the supporting edge.

2. The transport rack according to claim 1, characterized in that: At least one pivot connection mechanism is provided between the avoidance limit carrier and the support base plate, the avoidance limit carrier has a pivot flip displacement facing away from the support base plate, and a locking and fixing mechanism for fixing the locking position is provided between the avoidance limit carrier and the support base plate.

3. The transport rack according to claim 2, characterized in that: The pivot connection mechanism includes a pivot rocker arm arranged on the support base plate and a pivot matching portion arranged on the avoidance limit carrier plate and pivotally matched with the pivot rocker arm, wherein the pivot matching portion includes a matching pile body and a lifting movable pivot with lifting displacement in the matching pile body and matched with the pivot rocker arm; The locking and fixing mechanism comprises a plurality of positioning holes arranged on the supporting base plate and positioning pins arranged at the bottom of the avoidance and limiting carrier plate and corresponding to the positioning holes one by one.

4. The transport rack according to claim 1, characterized in that: A linear displacement mechanism for linearly displacing the avoidance limit carrier plate away from the support substrate and a locking mechanism for relatively locking the avoidance limit carrier plate and the support substrate in the locking position are provided between the avoidance limit carrier plate and the support substrate.

5. The transport rack according to any one of claims 1 to 3, characterized in that: Any of the supporting substrates has a pivotal displacement toward another of the supporting substrates; The supporting chassis is provided with a loading locking mechanism for locking the supporting base plate and / or the avoidance limit loading plate in the locking position.

6. The transport rack according to claim 5, characterized in that: The supporting base plate and the supporting chassis are provided with a pivot matching mechanism; The pivot cooperation mechanism includes two pivot limit piles arranged at intervals and having the function of limiting the reverse pivot displacement of the supporting base plate, and pivot cooperation columns arranged on both sides of the supporting base plate and correspondingly cooperating with the pivot limit piles one by one. Any of the pivot cooperation columns is provided with an adjusting pivot for pivotally cooperating with the pivot limit piles and having a lifting and lowering displacement.

7. The transport rack according to claim 6, characterized in that: At least one pivot connection mechanism is provided between the avoidance limit carrier and the support base plate, the pivot connection mechanism comprises a pivot rocker arm provided on the support base plate and a pivot matching portion provided on the avoidance limit carrier plate and pivotally matched with the pivot rocker arm, the pivot matching portion comprises a lifting movable pivot having a matching pile body and having a lifting displacement in the matching pile body and matching with the pivot rocker arm; The locking and fixing mechanism comprises a plurality of positioning holes arranged on the supporting base plate, and positioning pins arranged at the bottom of the avoidance and limiting carrier plate and corresponding to the positioning holes one by one; Any of the pivot-cooperating columns is provided with the positioning hole; The loading locking mechanism includes a limiting groove arranged on the pivot limiting loading pile for limiting the pivot displacement of the avoidance limiting loading plate, and an inserting limiting body arranged at the bottom of the avoidance limiting loading plate and lockingly matched with the limiting groove.

8. The transport rack according to claim 6, characterized in that: The bottom of the supporting frame is provided with a plurality of foot piles which are arranged one-to-one with the pivot limit load piles, the bottom of the foot piles are provided with stacked avoidance grooves, and the avoidance limit load plate is provided with matching column ends which are matched one-to-one with the foot piles.

9. The transport rack according to claim 1, characterized in that: Both ends of the support edge are respectively provided with inclined guide support surfaces, and the limiting portion is a limiting groove.

10. The transport rack according to claim 1, characterized in that: The avoidance and limiting carrier plate includes a carrier plate frame body and a closed carrier plate arranged on the carrier plate frame body, and the matching limiting portion includes a concave groove arranged on the carrier plate frame body and an auxiliary limiting baffle plate arranged on the concave groove for auxiliary limiting the free end of the material shaft.

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