Material transfer system

Abstract

The utility model relates to the technical field of storage and transportation, and particularly discloses a material transfer system which comprises a storage rack, a stacking machine, a rotary table RGV and a pallet fork RGV which are arranged in sequence. The pallet fork RGV comprises a first walking trolley, a first jacking mechanism and a pallet fork, and the first walking trolley can drive the first jacking mechanism and the pallet fork to move; the rotary table RGV comprises a second walking trolley and a rotary table, and the second walking trolley is used for driving the rotary table to move; the stacking machine comprises a walking mechanism, a cargo carrying table and a telescopic pallet fork, wherein the cargo carrying table and the telescopic pallet fork are arranged on the walking mechanism. The walking mechanism can drive the cargo carrying table and the telescopic pallet fork to move. The storage goods shelf is used for storing materials, and the stacking machine can place the materials on the storage goods shelf or move the materials away from the storage goods shelf. According to the material transfer system, the storage goods shelf, the stacking machine, the rotary table RGV and the pallet fork RGV are combined, material transportation of a flat warehouse and a three-dimensional storage warehouse in the warehouse-in or warehouse-out process is facilitated, operation is convenient, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of warehousing and transportation, in particular to a material transfer system. Background Art

[0002] The current storage status of finished wire rods (coils) in the domestic steel wire industry is mainly flat warehouses, which have low storage capacity and automation, high dependence on manual labor, messy storage areas, high error rates and low efficiency.

[0003] Currently, only a few steel mills in China have three-dimensional storage facilities for steel coils, and all inbound and outbound transportation is completed in the form of mother-and-child vehicles. Take outbound transportation as an example: shelf-stacker-mobile trolley-transfer saddle-child trolley + mother trolley-shipping saddle. Saddles are needed as buffers during the transfer of steel coils. Mobile trolleys and child trolleys must also consider collision avoidance and sequence when picking up goods. There are many equipment and process steps, and the overall outbound efficiency is low.

[0004] In summary, there is an urgent need for a material transfer system with a simplified structure and easy operation to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model aims to provide a material transfer system with a simple structure and convenient operation. The technical solution is as follows:

[0006] A material transfer system includes a storage rack, a stacker, a turntable RGV and a fork RGV arranged in sequence;

[0007] The fork RGV includes a first traveling trolley, a first lifting mechanism and a fork, wherein the fork is used to grab materials, and the fork is movably arranged on the first traveling trolley through the first lifting mechanism, and the first lifting mechanism can drive the fork to rise and fall in the vertical direction; the first traveling trolley can drive the first lifting mechanism and the fork to move;

[0008] The turntable RGV includes a second walking trolley and a turntable, the turntable can be placed on the material, and the turntable is rotatably arranged on the second walking trolley; the second walking trolley is used to drive the turntable to move;

[0009] The stacker includes a traveling mechanism and a cargo platform and a telescopic fork arranged on the traveling mechanism, the telescopic fork is used to grab materials at different distances from the telescopic fork, and the connecting end of the telescopic fork is arranged on the cargo platform; the traveling mechanism can drive the cargo platform and the telescopic fork to move; the storage shelf is used to store materials, so that the stacker can place materials on the storage shelf or remove materials from the storage shelf.

[0010] Preferably, it also includes a saddle arranged in the buffer area, and the forks in the fork RGV are used to store materials on the saddle.

[0011] Preferably, it also includes a coil lifting machine and a coil unloading RGV which are arranged in sequence, and a turntable RGV is also arranged between the coil lifting machine and the fork RGV; the coil unloading RGV includes an RGV walking mechanism, a second lifting mechanism and a limit seat, the limit seat is used to place materials, and the limit seat can be lifted and lowered on the RGV walking mechanism along the vertical direction through the second lifting mechanism; the coil lifting machine includes a main frame, a lifting drive assembly and a lifting frame, the main frame includes a column and a bearing platform arranged on the upper part of the column; the lifting drive assembly includes a lifting drive source and a transmission connecting piece, and the lifting drive source is arranged on the bearing platform; the lifting frame is connected to the lifting drive source through the transmission connecting piece, and the lifting drive source drives the transmission connecting piece to move, thereby realizing the lifting and lowering of the lifting frame along the height direction of the column; the lifting frame is used to clamp materials.

[0012] Preferably, the RGV walking mechanism includes a walking drive source, a mounting frame and a walking wheel group, the walking wheel group is installed on the mounting frame and connected to the walking drive source; the second jacking mechanism includes a lifting platform, a scissors-type component and a jacking drive component, the lifting platform is arranged on the mounting frame through the scissors-type component; the upper end of the jacking drive component is connected to the lifting platform, and the lower end of the jacking drive component is connected to the mounting frame, and the lifting and lowering movement of the lifting platform is driven by the extension and retraction of the jacking drive component.

[0013] Preferably, the RGV travel mechanism further includes a guide wheel group, which is arranged on the mounting frame and in rolling contact with the travel track matching the RGV trolley for loading and unloading; the guide wheel group includes two sets of guide wheel units located on both sides of the travel track; the spacing between the two sets of guide wheel units is adjustable; the RGV travel mechanism further includes a rail hook matching the travel track and used to prevent derailment. The second lifting mechanism further includes a lifting base arranged on the mounting frame, and the lifting platform is arranged on the lifting base through the scissor-fork component.

[0014] Preferably, the scissors-fork component comprises two groups of scissors-fork single pieces arranged in parallel along the length or width direction of the article, and the scissors-fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods; the jacking drive component comprises a jacking drive source and a rigid chain, the lower end of the rigid chain is connected to the jacking drive source, and the upper end of the rigid chain is connected to the lifting platform; a limit switch or a proximity switch is provided on at least one of the jacking base, the lifting platform, the scissors-fork component, the jacking drive component and the limit seat.

[0015] Preferably, the column is provided with a lifting slide rail along its height direction; the lifting frame is provided with a slide platform matching the lifting slide rail; the lifting drive assembly also includes a counterweight block; the transmission connecting member includes a transmission rod, a transmission wheel and a traction member, the transmission rod is connected to the output end of the lifting drive source, and the transmission wheel is arranged on the transmission rod; the traction member is meshed with the transmission wheel, one end of the traction member is connected to the lifting frame, and the other end of the traction member is connected to the counterweight block.

[0016] Preferably, there are two groups of transmission wheels, which are arranged in parallel on the transmission rod; there are two groups of traction members corresponding to the transmission wheels, wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight block; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight block and the transmission wheel are staggered and arranged in the middle part of the traction member; the transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous belt pulley, and the traction member is a synchronous belt.

[0017] Preferably, there are four columns, the counterweight block is a rectangular block, and slides are provided at its four corners; the slide is a bearing structure; a guide rail is provided on the column along its height direction; and a slide matching the guide rail is provided on the counterweight block.

[0018] Preferably, the cargo fork comprises a V-shaped contact surface for contacting the material; the first lifting mechanism comprises a lifting cylinder or an electric cylinder; and the rotation speed of the turntable in the turntable RGV is adjustable.

[0019] The application of the technical solution of the utility model has the following effects:

[0020] (1) The utility model discloses a material transfer system, including a storage shelf, a stacker, a turntable RGV and a fork RGV arranged in sequence; the fork RGV includes a first walking trolley, a first lifting mechanism and a fork, the first lifting mechanism can drive the fork to rise and fall in the vertical direction; the first walking trolley can drive the first lifting mechanism and the fork to move; the turntable RGV includes a second walking trolley and a turntable, the turntable can be rotatably arranged on the second walking trolley; the second walking trolley is used to drive the turntable to move; the stacker includes a walking mechanism and a cargo platform and a telescopic fork arranged on the walking mechanism, the telescopic fork is used to grab materials at different distances from the telescopic fork; the walking mechanism can drive the cargo platform and the telescopic fork to move; the storage shelf is used to store materials, and the stacker places materials on the storage shelf or removes materials from the storage shelf. The material transfer system combines the storage shelf, the stacker, the turntable RGV and the fork RGV, which is convenient for material transportation in the flat warehouse and the three-dimensional storage warehouse during the warehousing or outbound process, and is easy to operate and highly practical.

[0021] (2) The utility model also includes a saddle arranged in the buffer area, and the fork in the fork RGV is used to store the material on the saddle, which can be applied to the material outbound system. The utility model also includes a coil lifter and a coil unloading RGV arranged in sequence, and a turntable RGV is also arranged between the coil lifter and the fork RGV; the coil unloading RGV includes an RGV walking mechanism, a second lifting mechanism and a limit seat; the coil lifter includes a main frame, a lifting drive assembly and a lifting frame. This solution can be applied to the warehousing system, which can directly transport materials from the production line into the warehouse, and is easy to operate.

[0022] (3) The RGV travel mechanism in the utility model includes a travel drive source, a mounting frame and a travel wheel set, and the second lifting mechanism includes a lifting platform, a scissor-fork component and a lifting drive component, and the lifting platform is driven by the extension and retraction of the lifting drive component. The RGV travel mechanism has both walking and lifting functions, which facilitates the unloading of materials from the production line and transportation to the designated location.

[0023] (4) The RGV travel mechanism of the utility model also includes a guide wheel group, which has a guiding function to ensure that the unloading RGV travels along the specified route; the RGV travel mechanism also includes a rail hook that matches the travel track and is used to prevent derailment, and has good travel stability; the second jacking mechanism also includes a jacking base arranged on the mounting frame, and the lifting platform is arranged on the jacking base through a scissors-type component. The design of the jacking base can enhance the stability of the entire structure.

[0024] (5) The scissor fork component of the utility model includes two groups of scissor fork pieces arranged in parallel along the length or width direction of the article, and the scissor fork pieces are an X-shaped structure formed by hinged middle parts of two connecting rods; the lifting drive component includes a lifting drive source and a rigid chain, the lower end of the rigid chain is connected to the lifting drive source, and the upper end of the rigid chain is connected to the lifting platform. The scissor fork piece with a unique structure, combined with the design of the lifting drive source and the rigid chain, is conducive to the smooth lifting and lowering action of the limit seat in the unloading RGV after loading the material; the limit switch or proximity switch on at least one of the lifting base, lifting platform, scissor fork component, lifting drive component and limit seat can accurately control the lifting position of the second lifting mechanism.

[0025] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0027] Figure 1is a schematic diagram of the warehousing system in the embodiment (the black arrow in the figure represents the direction of material transfer; the right side illustrates two storage lines);

[0028] Figure 2 is a schematic diagram of the outbound storage system in the embodiment (the black arrow in the figure represents the direction of material transfer; two or three storage lines are illustrated on the left);

[0029] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle fork RGV transfer steel coil line;

[0030] Figure 4 yes Figure 1 Schematic diagram of the structure of the transfer platform RGV transfer steel coil line;

[0031] Figure 5 It is a schematic diagram of the structure of the stacker;

[0032] Figure 6 It is a schematic diagram of the structure of the unloading RGV transfer steel coil line;

[0033] Figure 7 yes Figure 6 A schematic diagram of the structure from another angle (steel coil wire not shown);

[0034] Figure 8 yes Figure 6 Schematic diagram of the structure of the RGV walking mechanism;

[0035] Fig. 9 It is a structural diagram of the coil lifting machine;

[0036] Fig.10 yes Fig. 9 A schematic diagram of the structure from another angle (the main frame is not shown);

[0037] in,

[0038] 1. Storage shelves;

[0039] 2. Stacker, 2.1. Traveling mechanism, 2.1.1. Vertical column, 2.1.2. Upper beam, 2.1.3. Lower beam, 2.1.4. Traveling wheels, 2.2. Cargo platform, 2.3. Telescopic fork, 2.4. Lifting mechanism;

[0040] 3. Turntable RGV, 3.1. Second walking trolley, 3.2. Turntable;

[0041] 4. Fork RGV, 4.1. First walking trolley, 4.2. First lifting mechanism, 4.3. Fork;

[0042] 5. Saddle;

[0043] 6. Unloading RGV, 6.1. RGV travel mechanism, 6.1.1. Travel drive source, 6.1.2. Installation frame, 6.1.3. Travel wheel set, C1. Main drive wheel, C2. Driven wheel, 6.1.4. Guide wheel set, 6.1.5. Rail hook; 6.2. Second lifting mechanism, 6.2.1. Lifting platform, 6.2.2. Scissor parts, 6.2.3. Lifting drive parts, A1. Lifting drive source, A2. Rigid chain; 6.2.4. Lifting base; 6.3. Limit seat, 6.4. Limit switch;

[0044] 7. Coil lifting machine, 7.1. Main frame, 7.1.1. Column, 7.1.2. Carrying platform; 7.2. Lifting drive assembly, 7.2.1. Lifting drive source, 7.2.2. Transmission connecting piece, B1. Transmission rod, B2. Transmission wheel, B3. Traction piece, 7.2.3. Counterweight; 7.3. Lifting frame, 7.3.1. Connection frame, 7.3.2. Clamping part;

[0045] 8. Steel coil wire;

[0046] 9. Walking track;

[0047] 10. PF line. DETAILED DESCRIPTION

[0048] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0049] Example:

[0050] A material transfer system is used to form a storage system when materials are stored. According to the material movement trajectory, it specifically includes a coil unloading RGV (labeled 6), a coil lifting machine 7, a turntable RGV (labeled 3), a fork RGV (labeled 4), a turntable RGV (labeled 3), a stacker 2 and a storage shelf 1, which are arranged in sequence. Figure 1 .

[0051] A material transfer system is used to form a storage system when materials are shipped out of the warehouse. According to the material movement trajectory, it specifically includes a storage shelf 1, a stacker 2, a turntable RGV (labeled as 3), a fork RGV (labeled as 4) and a saddle 5 arranged in sequence. The saddle 5 is arranged in a buffer area, and the fork RGV is used to store the material on the saddle 5. For details, see Figure 2 .

[0052] The fork RGV (number 4) is shown in Figure 3, which includes a first traveling trolley 4.1, a first lifting mechanism 4.2 and a fork 4.3, wherein the fork 4.3 is used to grab materials, and the fork 4.3 is movably arranged on the first traveling trolley 4.1 through the first lifting mechanism 4.2, and the first lifting mechanism 4.2 can drive the fork to rise and fall in the vertical direction; the first traveling trolley 4.1 can drive the first lifting mechanism and the fork to move. Preferably, the fork 4.3 includes a V-shaped contact surface in contact with the material, and more preferably, the fork is a V-shaped fork, which is composed of a single piece of inclined forks on both sides; the first lifting mechanism 4.2 includes a lifting cylinder or an electric cylinder, and can also be a lifting mechanism formed by a driving motor and a sprocket chain combination, or a lifting mechanism formed by a driving motor and a crank mechanism combination.

[0053] The turntable RGV (reference number 3) is shown in Figure 4 , which includes a second walking trolley 3.1 and a turntable 3.2. Materials can be placed on the turntable 3.2, and the turntable is rotatably arranged on the second walking trolley 3.1; the second walking trolley is used to drive the turntable to move; the rotation rate of the turntable 3.2 in the turntable RGV is adjustable. The turntable RGV (labeled 3) located between the stacker 2 and the fork RGV (labeled 4) is set as a high-speed turntable RGV, with a maximum speed of 3m / s (i.e. 180m / min). The turntable RGV travels at high speed and stops in case of faults. The material is stable and will not shake or fall due to inertia. The turntable RGV (labeled 3) located between the fork RGV (labeled 4) and the coil lifter 7 is set as a low-speed turntable RGV, with an adjustable speed of 0-45m / min, preferably 0.75m / s. The turntable RGV travels at a low speed and has a short moving stroke.

[0054] Stacker 2 Figure 5 , which includes a walking mechanism 2.1 and a cargo platform 2.2 and a telescopic fork 2.3 arranged on the walking mechanism 2.1, wherein the telescopic fork 2.3 is used to grab materials at different distances from the telescopic fork, and the connecting end of the telescopic fork 2.3 is arranged on the cargo platform 2.2; the walking mechanism 2.1 can drive the cargo platform 2.2 and the telescopic fork 2.3 to move. Preferably, the walking mechanism 2.1 includes a vertical column 2.1.1, an upper crossbeam 2.1.2, a lower crossbeam 2.1.3 and a walking wheel 2.1.4, and the vertical column 2.1.1, the upper crossbeam 2.1.2 and the lower crossbeam 2.1.3 form the main frame structure of the stacker, and the walking mechanism is arranged at the end of the lower crossbeam 2.1.3. The cargo platform 2.2 is escalably arranged on the main frame structure through a lifting mechanism 2.4, and the telescopic fork 2.3 is arranged above the frame of the cargo platform. The lifting mechanism 2.4 can be a combination of a drive motor, a drum, a pulley and a wire rope.

[0055] The storage shelf 1 is used to store materials, and the stacker 2 places materials on the storage shelf or removes materials from the storage shelf.

[0056] The unloading RGV (labeled as 6) is described in detail. Figure 6 and Figure 7 It includes an RGV traveling mechanism 6.1, a second lifting mechanism 6.2 and a limit seat 6.3. The limit seat 6.3 is used to place materials, and the limit seat is vertically liftable on the RGV traveling mechanism 6.1 through the second lifting mechanism.

[0057] In this embodiment, the RGV walking mechanism 6.1 is preferably Figure 8 , which includes a walking drive source 6.1.1, a mounting frame 6.1.2 and a walking wheel set 6.1.3, wherein the walking wheel set 6.1.3 is mounted on the mounting frame 6.1.2 and connected to the walking drive source 6.1.1, the walking drive source 6.1.1 includes a main driving wheel C1 and a driven wheel C2 arranged along the walking direction, the walking power source 6.1.1 is connected to the two sets of main driving wheels C1, and the driven wheel C2 has no power input and follows the movement; the second lifting mechanism 6 .2 includes a lifting platform 6.2.1, a scissors-type component 6.2.2 and a jacking drive component 6.2.3. The lifting platform 6.2.1 is arranged on the installation frame 6.1.2 through the scissors-type component 6.2.2; the upper end of the jacking drive component 6.2.3 is connected to the lifting platform 6.2.1, and the lower end of the jacking drive component 6.2.3 is connected to the installation frame 6.1.2. The lifting platform is driven to move up and down by the extension and retraction of the jacking drive component 6.2.3. Further preferably, the RGV walking mechanism 6.1 also includes a guide wheel group 6.1.4, which is arranged on the installation frame 6.1.2 and is in rolling contact with a walking track that matches the loading and unloading RGV trolley; the guide wheel group 6.1.4 includes two groups of guide wheel single pieces located on both sides of the walking track; the spacing between the two groups of guide wheel single pieces is adjustable.

[0058] See also Figure 8 The RGV running mechanism 6.1 also includes a rail hook 6.1.5 that matches the running track 9 and is used to prevent derailment. The second lifting mechanism 6.2 also includes a lifting base 6.2.4 arranged on the mounting frame 6.1.2, and the lifting platform 6.2.1 is arranged on the lifting base 6.2.4 through the scissor-type component 6.2.2. Figure 7The scissor fork component 6.2.2 includes two groups of scissor fork single pieces arranged in parallel along the length or width direction of the article, and the scissor fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods; the jacking drive component 6.2.3 includes a jacking drive source A1 and a rigid chain A2, the lower end of the rigid chain A2 is connected to the jacking drive source A1, and the upper end of the rigid chain A2 is connected to the lifting platform 6.2.1; the limit switch 6.4 or proximity switch on at least one of the jacking base 6.2.4, the lifting platform 6.2.1, the scissor fork component 6.2.2, the jacking drive component 6.2.3 and the limit seat 6.3. This embodiment illustrates five limit switches arranged on the jacking base 6.2.4, one limit switch is used to limit the highest position of the scissor fork component to rise, one limit switch is used to limit the lowest position of the scissor fork component to descend, and the remaining three are used to limit the three different height positions of the scissor fork component in the process of rising from the lowest position to the highest position, and has strong applicability.

[0059] The coil lifting machine 7 is shown in Fig. 9 and Fig.10 , including a main frame 7.1, a lifting drive assembly 7.2 and a lifting frame 7.3, the main frame 7.1 includes a column 7.1.1 and a bearing platform 7.1.2 arranged on the upper part of the column 7.1.1; the lifting drive assembly 7.2 includes a lifting drive source 7.2.1 and a transmission connecting piece 7.2.2, the lifting drive source 7.2.1 is arranged on the bearing platform 7.1.2; the lifting frame 7.3 is connected to the lifting drive source 7.2.1 through the transmission connecting piece 7.2.2, and the lifting drive source 7.2.1 drives the transmission connecting piece 7.2.2 to move, thereby realizing the lifting of the lifting frame 7.3 along the height direction of the column 7.1.1; the lifting frame 7.3 is used to clamp materials.

[0060] Preferably, in this embodiment, the column 7.1.1 is a columnar structure welded by H-shaped steel and square tube; the column 7.1.1 is provided with a lifting slide rail along its height direction; the lifting frame 7.3 is provided with a slide platform matching the lifting slide rail; the lifting drive assembly 7.2 also includes a counterweight block 7.2.3; the transmission connecting member 7.2.2 includes a transmission rod B1, a transmission wheel B2 and a traction member B3, the transmission rod B1 is connected to the output end of the lifting drive source 7.2.1, and the transmission wheel B2 is arranged on the transmission rod B1; the traction member B3 is meshed with the transmission wheel, one end of the traction member B3 is connected to the lifting frame 7.3, and the other end of the traction member B3 is connected to the counterweight block 7.2.3.

[0061] Further preferably, there are two groups of transmission wheels B2, and the two groups of transmission wheels B2 are arranged in parallel on the transmission rod B1; the number of the traction members B3 is two groups arranged in one-to-one correspondence with the transmission wheels B2, wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight is staggered with the transmission wheel and arranged in the middle of the traction member; the transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous pulley, and the traction member is a synchronous belt. There are four columns 7.1.1, and the counterweight 7.2.3 is a rectangular block, and slides are provided at its four corners; the slide is a bearing structure; a guide slide is provided on the column 7.1.1 along its height direction; and a slide matching the guide slide is provided on the counterweight 7.2.3. The guide slide is located on the inner side of the columnar structure, and the lifting slide is located on the outer side of the columnar structure. The lifting frame 7.3 is located below the carrying platform, and includes a connecting frame 7.3.1 and a clamping portion 7.3.2. The connecting frame is connected to the conveying connecting piece 7.2.2, and the clamping portion is arranged on the connecting frame; the clamping portion includes two groups of clamping pieces that are arranged opposite to each other and form a clamping cavity for clamping materials; the clamping piece is a V-shaped hook structure; the two groups of clamping pieces are arranged at a distance D, and the distance D is 0.2-0.4 times the material specification.

[0062] Using the warehousing system of this embodiment, taking the steel coil 8 as an example, the specific warehousing process is: the steel coil 8 is subjected to dimensional inspection (detecting the outer diameter and length of the steel coil) and temperature inspection at the PF line 10 station, and the steel coil that meets the requirements arrives at the unloading position (the steel coil that does not meet the requirements is circulated with the PF line); the unloading RGV (labeled 6) removes the steel coil 8 from the PF line hook, enters the coil lifting machine 7 and places the steel coil on the lifting frame 7.3 of the coil lifting machine, the unloading RGV exits the coil lifting machine and returns to its original position to wait for the next roll; after the unloading RGV moves out of the range of the coil lifting machine, the turntable RGV (labeled 3) seamlessly enters the coil lifting machine 7, and the lifting drive component 7.2 of the coil lifting machine 7 drives the lifting frame to descend, so that the steel coil falls onto the turntable 3.2 of the turntable RGV, completing the lowering operation of the steel coil. ; The turntable RGV transports the steel coil out of the coil lifting machine 7 to the designated position, rotates 90 degrees (from the walking direction being the same as the diameter direction of the steel coil to the walking direction being the same as the axis direction of the steel coil) and waits; the first walking trolley 4.1 of the fork RGV (labeled 4) walks to the designated position, and the first lifting mechanism 4.2 drives the fork 4.3 to move and take away the steel coil on the turntable RGV; the fork 4.3 places the steel coil on the turntable RGV (labeled 3) on the opposite side; the turntable RGV (labeled 3) drives the steel coil to move to the picking position of the stacker 2; the walking mechanism 2.1 in the stacker 7 moves to the picking position, and the telescopic fork 2.3 moves to take the steel coil from the turntable RGV and stores it in the allocated cargo position on the storage shelf 1, completing the storage process of the steel coil from the PF line to the vertical warehouse.

[0063] Applying the outbound delivery system of this embodiment, taking the steel coil 8 as an example, the specific outbound delivery process is: the walking mechanism 2.1 in the stacker 2 moves to the corresponding cargo position, the telescopic fork 2.3 moves to take the steel coil 8 from the storage shelf 1, and places it on the turntable RGV (labeled 3) at the outbound delivery end; the second walking trolley 3.1 in the turntable RGV moves to the designated position (i.e., the fork RGV picking position), rotates 90 degrees (from the walking direction being the same as the diameter direction of the steel coil to the walking direction being the same as the axial direction of the steel coil) and waits; the first walking trolley in the fork RGV moves to the picking position, the fork 4.3 moves to take the steel coil from the turntable RGV, and places it on the saddle 5 on the opposite side located in the cache area, and waits for the manual operation of the lifting tool to lift the steel coil for delivery, completing the outbound delivery process of the steel coil.

[0064] Whether it is an outbound system or an inbound system, multiple devices are connected in a segmented layout to reasonably allocate the equipment processing time at each stage, seamlessly connect, maximize the processing flow of the entire system, and improve operational efficiency.

[0065] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A material transfer system, characterized in that: It comprises a storage rack (1), a stacker (2), a turntable RGV (3) and a fork RGV (4) which are arranged in sequence; The cargo fork RGV (4) comprises a first walking trolley (4.1), a first lifting mechanism (4.2) and a cargo fork (4.3); the cargo fork (4.3) is used to grab materials, and the cargo fork (4.3) is movably arranged on the first walking trolley (4.1) through the first lifting mechanism (4.2); the first lifting mechanism (4.2) can drive the cargo fork to rise and fall in a vertical direction; the first walking trolley (4.1) can drive the first lifting mechanism and the cargo fork to move; The turntable RGV (3) comprises a second walking trolley (3.1) and a turntable (3.2), materials can be placed on the turntable (3.2), and the turntable is rotatably arranged on the second walking trolley (3.1); the second walking trolley is used to drive the turntable to move; The stacker (2) comprises a walking mechanism (2.1) and a cargo platform (2.2) and a telescopic fork (2.3) arranged on the walking mechanism (2.1); the telescopic fork (2.3) is used to grab materials at different distances from the telescopic fork, and the connecting end of the telescopic fork (2.3) is arranged on the cargo platform (2.2); the walking mechanism (2.1) can drive the cargo platform (2.2) and the telescopic fork (2.3) to move; The storage shelf (1) is used to store materials, and is used by a stacker (2) to place materials on the storage shelf or remove materials from the storage shelf.

2. The material transfer system according to claim 1, characterized in that: It also includes a saddle (5) arranged in a buffer area, and is used for the fork (4.3) in the fork RGV (4) to store materials on the saddle (5).

3. The material transfer system according to claim 1, characterized in that: It also includes a coil lifting machine (7) and a coil unloading RGV (6) which are arranged in sequence, and a turntable RGV (3) is also arranged between the coil lifting machine (7) and the fork RGV (4); The unloading RGV (6) comprises an RGV running mechanism (6.1), a second lifting mechanism (6.2) and a limit seat (6.3), wherein the limit seat (6.3) is used to place materials, and the limit seat is vertically movable on the RGV running mechanism (6.1) through the second lifting mechanism; The coil lifting machine (7) comprises a main frame (7.1), a lifting drive assembly (7.2) and a lifting frame (7.3), wherein the main frame (7.1) comprises a column (7.1.1) and a bearing platform (7.1.2) arranged on the upper part of the column (7.1.1); the lifting drive assembly (7.2) comprises a lifting drive source (7.2.1) and a transmission connecting piece (7.2.2), wherein the lifting drive source (7.2.1) is arranged on the bearing platform (7.1.2); the lifting frame (7.3) is connected to the lifting drive source (7.2.1) via the transmission connecting piece (7.2.2), and the lifting drive source (7.2.1) drives the transmission connecting piece (7.2.2) to move, thereby realizing the lifting of the lifting frame (7.3) along the height direction of the column (7.1.1); the lifting frame (7.3) is used for clamping materials.

4. The material transfer system according to claim 3, characterized in that: The RGV walking mechanism (6.1) comprises a walking drive source (6.1.1), a mounting frame (6.1.2) and a walking wheel set (6.1.3); the walking wheel set (6.1.3) is mounted on the mounting frame (6.1.2) and connected to the walking drive source (6.1.1); The second lifting mechanism (6.2) comprises a lifting platform (6.2.1), a scissor-type component (6.2.2) and a lifting drive component (6.2.3); the lifting platform (6.2.1) is arranged on the installation frame (6.1.2) through the scissor-type component (6.2.2); the upper end of the lifting drive component (6.2.3) is connected to the lifting platform (6.2.1), and the lower end of the lifting drive component (6.2.3) is connected to the installation frame (6.1.2); the lifting platform is driven to move up and down by the extension and retraction of the lifting drive component (6.2.3).

5. The material transfer system according to claim 4, characterized in that: The RGV walking mechanism (6.1) further comprises a guide wheel group (6.1.4), which is arranged on the mounting frame (6.1.2) and in rolling contact with a walking track matching the loading and unloading RGV trolley; the guide wheel group (6.1.4) comprises two sets of guide wheel single pieces located on both sides of the walking track; the spacing between the two sets of guide wheel single pieces is adjustable; The RGV running mechanism (6.1) also includes a rail hook (6.1.5) that matches the running track and is used to prevent derailment; The second lifting mechanism (6.2) further comprises a lifting base (6.2.4) arranged on the mounting frame (6.1.2), and the lifting platform (6.2.1) is arranged on the lifting base (6.2.4) via the scissor-type component (6.2.2).

6. The material transfer system according to claim 5, characterized in that: The scissor fork component (6.2.2) comprises two sets of scissor fork single pieces arranged in parallel along the length or width direction of the article, and the scissor fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods; The lifting drive component (6.2.3) comprises a lifting drive source (A1) and a rigid chain (A2), the lower end of the rigid chain (A2) is connected to the lifting drive source (A1), and the upper end of the rigid chain (A2) is connected to the lifting platform (6.2.1); At least one of the lifting base (6.2.4), the lifting platform (6.2.1), the scissor-type component (6.2.2), the lifting drive component (6.2.3) and the limit seat (6.3) is provided with a limit switch or a proximity switch.

7. The material transfer system according to claim 3, characterized in that: The upright column (7.1.1) is provided with a lifting slide rail along its height direction; the lifting frame (7.3) is provided with a slide platform matching the lifting slide rail; The lifting drive assembly (7.2) further comprises a counterweight (7.2.3); the transmission connection member (7.2.2) comprises a transmission rod (B1), a transmission wheel (B2) and a traction member (B3); the transmission rod (B1) is connected to the output end of the lifting drive source (7.2.1); the transmission wheel (B2) is arranged on the transmission rod (B1); the traction member (B3) is meshed with the transmission wheel; one end of the traction member (B3) is connected to the lifting frame (7.3), and the other end of the traction member (B3) is connected to the counterweight (7.2.3).

8. The material transfer system according to claim 7, characterized in that: The number of the transmission wheels (B2) is two groups, and the two groups of transmission wheels (B2) are arranged in parallel on the transmission rod (B1); the number of the traction members (B3) is two groups arranged in a one-to-one correspondence with the transmission wheels (B2), wherein: the first end of one group of traction members is connected to the lifting frame, the middle part is meshed with the transmission wheel, and the second end is connected to the counterweight block; the first end and the second end of the other group of traction members are both connected to the lifting frame, the middle part is meshed with the transmission wheel, and the counterweight block is staggered with the transmission wheel and arranged in the middle of the traction member; The transmission wheel is a sprocket, and the traction member is a chain; or, the transmission wheel is a synchronous belt wheel, and the traction member is a synchronous belt.

9. The material transfer system according to claim 8, characterized in that: There are four columns (7.1.1), the counterweight block (7.2.3) is a rectangular block, and slides are arranged at its four corners; the slide is a bearing structure; a guide slide rail is arranged on the column (7.1.1) along its height direction; and a slide matching the guide slide rail is arranged on the counterweight block (7.2.3).

10. The material transfer system according to claim 1, characterized in that: The cargo fork (4.3) comprises a V-shaped contact surface for contacting the material; the first lifting mechanism (4.2) comprises a lifting cylinder or an electric cylinder; and the rotation speed of the turntable (3.2) in the turntable RGV (3) is adjustable.

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