A reciprocating staggered uniform automatic feeding device

Abstract

The present invention discloses a reciprocating staggered uniform automatic feeding device, which belongs to the technical field of agricultural machinery, and comprises a main support, a stepped feeding frame I, a stepped feeding frame II, a feeding frame linkage mechanism, and a power transmission mechanism. Through the structure of the present application, a stepped automatic feeding device suitable for agricultural bar materials is provided. Compared with the traditional manual operation method, the device has the effects of significantly improving efficiency, saving labor, reducing labor intensity, and reducing operation costs. The device is driven by a mechanical connecting rod method to realize step-by-step feeding, and has strong reliability. It can effectively avoid material accumulation, and the materials are evenly and neatly stacked, which provides efficient and convenient conditions for subsequent processing and other links. It is suitable for the screening and feeding of various agricultural bar materials. In addition, the present application has a simple structure, is easy to maintain and assemble, can adapt to more environments, and is suitable for large-scale promotion.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to a full-automatic feeding device capable of performing reciprocating step-type operations. Background Art

[0002] At present, most of the loading of sugarcane and other bar species in the planting production and subsequent processing is done manually. The small part with loading devices mostly requires the cooperation of operators to complete. The loading process generally requires a high level of proficiency of the operators. Once the inevitable human factors such as inconsistent feeding or lack of materials by operators occur, it will lead to problems such as reduced production capacity and low quality rate of species.

[0003] The existing feeding mechanism can only transport materials during operation, but cannot screen the materials. This causes unqualified materials to be mixed in, affecting subsequent work efficiency. In addition, the existing feeding mechanism has a complex structure, and it takes a long time to repair and replace components when problems occur, affecting work progress.

[0004] Therefore, a new technical solution is urgently needed in the prior art to solve this problem. Summary of the invention

[0005] The technical problem to be solved by the present invention is: in view of the shortcomings and defects of the existing technology, the device can realize automatic lifting of materials when the material bin is dropped, and the materials gradually rise in a step-by-step manner. The loading and unloading can be completed independently, which reduces the labor intensity of the operators and can significantly improve the production efficiency.

[0006] A reciprocating staggered uniform automatic feeding device, characterized by comprising a main support, a stepped feeding rack I, a stepped feeding rack II, a feeding rack linkage mechanism and a power transmission mechanism;

[0007] The step-type loading rack I and the step-type loading rack II are both installed on the main bracket through a loading rack linkage mechanism, and a power transmission mechanism is also provided on the main bracket;

[0008] The main support is a welded left-right symmetrical structural frame, which includes: an inclined beam, a slide rail, a longitudinal beam, a linkage bearing seat plate I, a linkage bearing seat plate II and a material lower slide plate;

[0009] The number of the inclined beam, the slide rail, the longitudinal beam, the linkage bearing seat plate I and the linkage bearing seat plate II are all two, and they are symmetrically arranged on both sides of the main bracket; wherein the linkage bearing seat plate I and the linkage bearing seat plate II are arranged on the longitudinal beam;

[0010] The slide rail is arranged at the rear of the main bracket;

[0011] The material lower slide plate is arranged on the top of the main support, and the material lower slide plate is hinged to the main support;

[0012] The power transmission mechanism seat plate is arranged at the bottom of the main bracket;

[0013] The stepped loading rack I comprises a long loading top block, an oblique fixed beam I, a slider fixed plate, a short loading top block fixed beam I, a support hub mounting plate I, a support hub mounting plate II and a slider;

[0014] There are two oblique fixed beams I, and a long loading top block, a slider fixing plate I and a short loading top block fixing beam I are arranged between the two oblique fixed beams I; there are four long loading top blocks; the slider fixing plate is arranged at one end of the oblique fixed beam I, two long loading top blocks are arranged between the slider fixing plate and the short loading top block fixing beam I, and another two long loading top blocks are arranged between the short loading top block fixing beam I and the other end of the oblique fixed beam I;

[0015] The oblique fixed beam I is also provided with a supporting hub mounting plate I and a supporting hub mounting plate II;

[0016] The long loading top block and the short loading top block are parallel to each other;

[0017] The long loading top blocks and the short loading top blocks on the stepped loading rack I are distributed in a stepped manner, and the distances between adjacent long loading top blocks and between the long loading top blocks and the short loading top blocks are fixed;

[0018] The stepped loading frame II includes an oblique fixed beam II, a top block column fixed beam, a top block fixed beam, a short loading top block fixed beam II, a long loading top block, a slider fixed plate, a short loading top block, a support hub mounting plate I and a support hub mounting plate II;

[0019] There are two inclined fixed beams II, and mutually parallel top block fixed cross beams, short feeding top block fixed beams II and slider fixed plates are arranged between the two inclined fixed beams II; there are four top block fixed cross beams, and the four top block fixed cross beams are arranged in pairs on both sides of the short feeding top block fixed beam II; the four top block fixed cross beams are provided with long feeding top blocks through top block column fixed beams; the short feeding top block fixed beam II is provided with short feeding top block fixed beam I through top block column fixed beams;

[0020] The oblique fixed beam II is also provided with a supporting hub mounting plate I and a supporting hub mounting plate II;

[0021] The long loading top block and the short loading top block are parallel to each other;

[0022] The long loading top blocks and the short loading top blocks on the stepped loading rack II are distributed in a stepped manner, and the distances between adjacent long loading top blocks and between the long loading top blocks and the short loading top blocks are fixed;

[0023] The slider fixing plate is provided with a slider, and the slider and the slide rail are matched and connected with each other;

[0024] Two short loading top blocks are arranged on the short loading top block fixing beam I, and the distance between the two short loading top blocks is fixed;

[0025] The step-type loading rack I is located above the step-type loading rack II, and the long loading top blocks and the short loading top blocks on the step-type loading rack II extend into the gaps between the long loading top blocks and the short loading top blocks on the step-type loading rack I, so that all the long loading top blocks and the short loading top blocks on the step-type loading rack I and the step-type loading rack II are arranged in a staggered manner in a step-like manner;

[0026] The loading rack linkage mechanism includes an upper connecting plate assembly and a lower connecting plate assembly, wherein the number of the upper connecting plate assemblies is two, which are respectively installed on two linkage bearing seat plates I, and the number of the lower connecting plate assemblies is two, which are respectively installed on the linkage bearing seat plate II;

[0027] The upper connecting plate assembly comprises a linkage upper connecting plate, an upper connecting plate long axis, a power rod connecting axis and a supporting hub;

[0028] The linkage upper connecting plate is fixedly provided with an upper connecting plate long axis, a power rod connecting axis and a supporting hub;

[0029] The long axis of the upper connecting plate and the connecting axis of the power rod are fixedly arranged on one side of the linkage upper connecting plate, and the supporting hub is fixedly arranged on the other side of the linkage upper connecting plate, wherein the number of the supporting hubs is two, which are respectively installed at both ends of the linkage upper connecting plate, and the long axis of the upper connecting plate is installed in the middle of the linkage upper connecting plate;

[0030] The long axis of the upper connecting plate is hinged to the linkage bearing seat plate I through a bearing;

[0031] The two supporting hubs of the upper connecting plate assembly are respectively hinged to the two supporting hub mounting plates I on the same side of the stepped loading rack I and the stepped loading rack II through shaft rods;

[0032] The lower connecting plate assembly comprises a linkage lower connecting plate, a lower connecting plate long shaft and a supporting hub;

[0033] The linkage lower connecting plate is provided with a lower connecting plate long axis on one side and two supporting hubs on the other side;

[0034] The long axis of the lower connecting plate is hinged to the linkage bearing seat plate II through a bearing;

[0035] The two supporting hubs of the lower connecting plate assembly are respectively hinged to the two supporting hub mounting plates II on the same side of the stepped loading rack I and the stepped loading rack II through shaft rods;

[0036] The power output end of the power transmission mechanism is connected to the transmission rod, and eccentric wheels are arranged at both ends of the transmission rod. There are two power rods, and one end of the power rod is hinged to the eccentric wheel, and the other end is hinged to the linkage upper connecting plate through the power rod connecting shaft.

[0037] The distance between the adjacent long material loading top blocks is greater than the thickness of the long material loading top blocks.

[0038] The linkage lower connecting plate and the long axis of the lower connecting plate are connected by welding, and the linkage upper connecting plate and the long axis of the upper connecting plate are connected by welding.

[0039] The angle between the long loading top block on the stepped loading rack I and the oblique fixed beam I is 40-60 degrees.

[0040] Through the above-mentioned design scheme, the present invention can bring the following beneficial effects: the present application provides a step-by-step automatic feeding device suitable for agricultural bar materials. Compared with the traditional manual operation method, it has the effects of significantly improving efficiency, saving labor, reducing labor intensity, and reducing operation costs. The device is driven by a mechanical linkage to realize step-by-step feeding. It has strong reliability, can effectively avoid material accumulation, and the materials are stacked evenly and neatly, providing efficient and convenient conditions for subsequent processing and other links. It is suitable for the screening and feeding of various agricultural bar materials. In addition, the present application has a simple structure, is easy to maintain and assemble, can adapt to more environments, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The present invention is further described below with reference to the accompanying drawings and specific embodiments:

[0042] Figure 1 The structure of the present invention is schematically shown Figure 1 .

[0043] Figure 2 The structure of the present invention is schematically shown Figure 2 .

[0044] Figure 3 The structure of the present invention is schematically shown Figure 3 .

[0045] Figure 4 The structure of the main support of the present invention is schematically shown in FIG. Figure 1 .

[0046] Figure 5 The structure of the main support of the present invention is shown in FIG. Figure 2 .

[0047] Figure 6 The structure of the step-type loading rack I of the present invention is shown in FIG. Figure 1 .

[0048] Figure 7The structure of the step-type loading rack I of the present invention is shown in FIG. Figure 2 .

[0049] Figure 8 It is a structural schematic diagram of the stepped loading rack II of the present invention.

[0050] Fig. 9 It is a schematic diagram of the assembly of the linkage mechanism between the main support and the loading rack of the present invention.

[0051] Fig.10 It is a structural schematic diagram of the upper connecting plate assembly on the loading rack linkage mechanism of the present invention.

[0052] Fig.11 It is a structural schematic diagram of the lower connecting plate assembly on the loading rack linkage mechanism of the present invention.

[0053] In the figure, 1-main support, 2-stepped loading rack Ⅰ, 3-stepped loading rack Ⅱ, 4-loading rack linkage mechanism, 6-power transmission mechanism, 8-inclined beam, 11-slide rail, 13-longitudinal beam, 14-linked bearing seat plate Ⅰ, 15-linked bearing seat plate Ⅱ, 23-material lower slide plate, 26-long loading top block, 27-inclined fixed beam Ⅰ, 28-slider fixed plate, 29-short loading top block, 30-short loading top block fixed beam Ⅰ, 31-support wheel Hub mounting plate Ⅰ, 32-support hub mounting plate Ⅱ, 33-slider, 38-oblique fixed beam Ⅱ, 40-top block column fixed beam, 41-top block fixed beam, 42-short feeding top block fixed beam Ⅱ, 44-upper connecting plate combination, 45-lower connecting plate combination, 46-linkage upper connecting plate, 48-power rod connecting shaft, 50-upper connecting plate long axis, 56-support hub, 57-linkage lower connecting plate, 60-lower connecting plate long axis, 77-power rod. DETAILED DESCRIPTION

[0054] As shown in the figure, a reciprocating staggered uniform automatic feeding device is characterized by comprising a main support 1, a stepped feeding rack Ⅰ2, a stepped feeding rack Ⅱ3, a feeding rack linkage mechanism 4 and a power transmission mechanism 6;

[0055] The step-type loading rack Ⅰ2 and the step-type loading rack Ⅱ3 are both installed on the main bracket 1 through the loading rack linkage mechanism 4, and the main bracket 1 is also provided with a power transmission mechanism 6;

[0056] The main support 1 is a welded left-right symmetrical structural frame, which includes: an inclined beam 8, a slide rail 11, a longitudinal beam 13, a linkage bearing seat plate I 14, a linkage bearing seat plate II 15 and a material lower slide plate 23;

[0057] The number of the oblique beam 8, the slide rail 11, the longitudinal beam 13, the linkage bearing seat plate I 14 and the linkage bearing seat plate II 15 are all two, and they are symmetrically arranged on both sides of the main bracket 1; wherein the linkage bearing seat plate I 14 and the linkage bearing seat plate II 15 are arranged on the longitudinal beam 13;

[0058] The slide rail 11 is arranged at the rear of the main bracket 1;

[0059] The material lower slide plate 23 is arranged on the top of the main support 1, and the material lower slide plate 23 is hinged to the main support 1;

[0060] The power transmission mechanism seat plate 25 is arranged at the bottom of the main support 1;

[0061] The stepped loading rack Ⅰ2 includes a long loading top block 26, an oblique fixed beam Ⅰ27, a slider fixed plate 28, a short loading top block fixed beam Ⅰ30, a support hub mounting plate Ⅰ31, a support hub mounting plate Ⅱ32 and a slider 33;

[0062] There are two oblique fixed beams Ⅰ27, and a long material loading block 26, a slider fixing plate Ⅰ28 and a short material loading block fixing beam Ⅰ30 are arranged between the two oblique fixed beams Ⅰ27; there are four long material loading blocks 26; the slider fixing plate 28 is arranged at one end of the oblique fixed beam Ⅰ27, two long material loading blocks 26 are arranged between the slider fixing plate 28 and the short material loading block fixing beam Ⅰ30, and another two long material loading blocks 26 are arranged between the short material loading block fixing beam Ⅰ30 and the other end of the oblique fixed beam Ⅰ27;

[0063] The oblique fixed beam Ⅰ27 is also provided with a supporting hub mounting plate Ⅰ31 and a supporting hub mounting plate Ⅱ32;

[0064] The long loading top block 26 and the short loading top block 29 are parallel to each other;

[0065] The long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack Ⅰ2 are distributed in a stepped manner, and the distances between adjacent long loading top blocks 26 and between the long loading top blocks 26 and the short loading top blocks 29 are fixed;

[0066] The stepped loading frame II3 includes an oblique fixed beam II38, a top block column fixed beam 40, a top block fixed beam 41, a short loading top block fixed beam II42, a long loading top block 26, a slider fixed plate 28, a short loading top block 29, a support hub mounting plate I31 and a support hub mounting plate II32;

[0067] There are two oblique fixed beams II 38, and mutually parallel top block fixed beams 41, short top block fixed beams II 42 and slider fixed plates 28 are arranged between the two oblique fixed beams II 38; there are four top block fixed beams 41, and the four top block fixed beams 41 are arranged in pairs on both sides of the short top block fixed beam II 42; the long top block 26 is arranged on the four top block fixed beams 41 through the top block column fixed beams 40; the short top block fixed beam I 30 is arranged on the short top block fixed beam II 42 through the top block column fixed beam 40;

[0068] The oblique fixed beam II 38 is also provided with a support hub mounting plate I 31 and a support hub mounting plate II 32;

[0069] The long loading top block 26 and the short loading top block 29 are parallel to each other;

[0070] The long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack II3 are arranged in a stepped manner, and the distances between adjacent long loading top blocks 26 and between the long loading top blocks 26 and the short loading top blocks 29 are fixed;

[0071] The slider fixing plate 28 is provided with a slider 33, and the slider 33 is matched and connected with the slide rail 11;

[0072] Two short material loading top blocks 29 are arranged on the short material loading top block fixing beam Ⅰ30, and the distance between the two short material loading top blocks 29 is fixed;

[0073] The stepped loading rack I2 is located above the stepped loading rack II3, and the long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack II3 extend into the gaps between the long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack I2, so that all the long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack I2 and the stepped loading rack II3 are arranged in a staggered manner in a stepped manner;

[0074] The loading rack linkage mechanism 4 includes an upper connecting plate assembly 44 and a lower connecting plate assembly 45, wherein the number of the upper connecting plate assemblies 44 is two, which are respectively mounted on two linkage bearing seat plates Ⅰ14, and the number of the lower connecting plate assemblies 45 is two, which are respectively mounted on the linkage bearing seat plates Ⅱ15;

[0075] The upper connecting plate assembly 44 includes a linkage upper connecting plate 46, an upper connecting plate long axis 50, a power rod connecting axis 48 and a supporting hub 56;

[0076] The linkage upper connecting plate 46 is fixedly provided with an upper connecting plate long axis 50, a power rod connecting axis 48 and a supporting hub 56;

[0077] The long axis 50 of the upper connecting plate and the power rod connecting axis 48 are fixedly arranged on one side of the linkage upper connecting plate 46, and the supporting hub 56 is fixedly arranged on the other side of the linkage upper connecting plate 46, wherein the number of the supporting hubs 56 is two, which are respectively installed at both ends of the linkage upper connecting plate 46, and the long axis 50 of the upper connecting plate is installed in the middle of the linkage upper connecting plate 46;

[0078] The long axis 50 of the upper connecting plate is hinged to the linkage bearing seat plate Ⅰ14 through a bearing;

[0079] The two support hubs 56 of the upper connecting plate assembly 44 are respectively hinged to the two support hub mounting plates Ⅰ31 on the same side of the stepped material loading rack Ⅰ2 and the stepped material loading rack Ⅱ3 through shaft rods;

[0080] The lower connecting plate assembly 45 includes a linkage lower connecting plate 57, a lower connecting plate long shaft 60 and a supporting hub 56;

[0081] The linkage lower connecting plate 57 is provided with a lower connecting plate long axis 60 on one side and two supporting hubs 56 on the other side;

[0082] The long axis 60 of the lower connecting plate is hinged to the linkage bearing seat plate II 15 through a bearing;

[0083] The two support hubs 56 of the lower connecting plate assembly 45 are respectively hinged to the two support hub mounting plates II32 on the same side of the stepped material loading rack I2 and the stepped material loading rack II3 through shaft rods;

[0084] The power output end of the power transmission mechanism 6 is connected to the transmission rod, and eccentric wheels are provided at both ends of the transmission rod. There are two power rods 77, and one end of the power rod 77 is hinged to the eccentric wheel, and the other end is hinged to the linkage upper connecting plate 46 through the power rod connecting shaft 48.

[0085] The distance between the adjacent long loading top blocks 26 is greater than the thickness of the long loading top blocks 26 .

[0086] The linkage lower connecting plate 57 and the lower connecting plate long axis 60 are connected by welding, and the linkage upper connecting plate 46 and the upper connecting plate long axis 50 are connected by welding.

[0087] The angle between the long loading top block 26 and the oblique fixed beam Ⅰ27 on the stepped loading rack Ⅰ2 is 40-60 degrees.

[0088] The long loading top block 26, the oblique fixed beam Ⅰ27, the slider fixed plate Ⅰ28, the short loading top block 29, the short loading top block fixed beam Ⅰ30, the support hub mounting plate Ⅰ31, and the slider 33 are all welded by steel plates;

[0089] The slider fixing plate 28 is connected to the slider 33 by bolts;

[0090] During operation, the motor is started and the power transmission mechanism 6 works. The two eccentric wheels thereon drive the power rod 77 to move up and down. The power rod 77 drives the linkage upper connecting plate 46 to move through the power rod connecting shaft 48, thereby controlling the movement of the stepped loading rack Ⅰ2 and the stepped loading rack Ⅱ3; all the long loading top blocks 26 and the short loading top blocks 29 on the stepped loading rack Ⅰ2 and the stepped loading rack Ⅱ3 are arranged in a staggered manner. After the stepped loading rack Ⅰ2 and the stepped loading rack Ⅱ3 move, the long loading top blocks 26 and the short loading top blocks 29 thereon rise and fall alternately and reciprocally, forming a step-like movement form, and the material begins to gradually rise on the top loading fast, and the rod-shaped material is finally transported to the top of the equipment and is entered into the processing equipment through the material lower slide plate 23.

[0091] The device adopts a mechanical linkage method to form mutually staggered step feeding, which has high reliability, can independently complete loading and unloading, reduces the labor intensity of operators, and can significantly improve production efficiency.

[0092] In order to facilitate the transportation of the device, universal wheels can be installed at the bottom of the main bracket 1.

[0093] In order to effectively screen out bar materials that do not meet the requirements, short loading top blocks 29 are set in the middle of the stepped loading rack Ⅰ2 and the stepped loading rack Ⅱ3. By setting a distance between the two short loading top blocks 29, this setting can select the required bar materials to rise, and those with insufficient length will fall through the gap between the short loading top blocks 29, thereby achieving the purpose of screening materials.

[0094] The material lifting device of the present application is not limited to the lifting of materials of a single variety of sugarcane. After the size and spacing of the long feeding top block 26 and the short feeding top block 29 are adjusted, it can be used as a feeding device for other bar crops, suitable for the screening and feeding of various agricultural bar materials. In addition, the structure of the present application is simple, easy to maintain and assemble, can adapt to more environments, and is suitable for large-scale promotion.

Claims

1. A reciprocating staggered uniform automatic feeding device, characterized by: It comprises a main support (1), a stepped material loading rack I (2), a stepped material loading rack II (3), a material loading rack linkage mechanism (4) and a power transmission mechanism (6); The stepped material loading rack I (2) and the stepped material loading rack II (3) are both mounted on the main support (1) via a material loading rack linkage mechanism (4), and a power transmission mechanism (6) is also provided on the main support (1); The main support (1) is a welded bilaterally symmetrical structural frame, which comprises: an inclined beam (8), a slide rail (11), a longitudinal beam (13), a linkage bearing seat plate I (14), a linkage bearing seat plate II (15) and a material lower slide plate (23); The number of the inclined beam (8), the slide rail (11), the longitudinal beam (13), the linkage bearing seat plate I (14) and the linkage bearing seat plate II (15) is two, and they are symmetrically arranged on both sides of the main bracket (1); wherein the linkage bearing seat plate I (14) and the linkage bearing seat plate II (15) are arranged on the longitudinal beam (13); The slide rail (11) is arranged at the rear of the main bracket (1); The material lower slide plate (23) is arranged on the top of the main support (1), and the material lower slide plate (23) is hinged to the main support (1); The power transmission mechanism seat plate is arranged at the bottom of the main bracket (1); The stepped loading rack I (2) comprises a long loading top block (26), an oblique fixed beam I (27), a slider fixed plate (28), a short loading top block fixed beam I (30), a support hub mounting plate I (31), a support hub mounting plate II (32) and a slider (33); The number of the oblique fixed beams I (27) is two, and a long material loading top block (26), a slider fixing plate (28) and a short material loading top block fixing beam I (30) are arranged between the two oblique fixed beams I (27); the number of the long material loading top blocks (26) is four; the slider fixing plate (28) is arranged at one end of the oblique fixed beam I (27), two long material loading top blocks (26) are arranged between the slider fixing plate (28) and the short material loading top block fixing beam I (30), and another two long material loading top blocks (26) are arranged between the short material loading top block fixing beam I (30) and the other end of the oblique fixed beam I (27); The oblique fixed beam I (27) is also provided with a supporting hub mounting plate I (31) and a supporting hub mounting plate II (32); The long loading top block (26) and the short loading top block (29) are parallel to each other; The long loading top blocks (26) and the short loading top blocks (29) on the stepped loading rack I (2) are arranged in a stepped manner, and the distances between adjacent long loading top blocks (26) and between the long loading top blocks (26) and the short loading top blocks (29) are fixed; The stepped loading frame II (3) comprises an oblique fixed beam II (38), a top block column fixed beam (40), a top block fixed cross beam (41), a short loading top block fixed beam II (42), a long loading top block (26), a slider fixed plate (28), a short loading top block (29), a support hub mounting plate I (31) and a support hub mounting plate II (32); The number of the oblique fixed beams II (38) is two, and mutually parallel top block fixed cross beams (41), short top material loading block fixed beams II (42) and slider fixed plates (28) are arranged between the two oblique fixed beams II (38); wherein the number of the top block fixed cross beams (41) is four, and the four top block fixed cross beams (41) are arranged in pairs on both sides of the short top material loading block fixed beam II (42); wherein the long top material loading block (26) is arranged on the four top block fixed cross beams (41) via the top block column fixed beams (40); wherein the short top material loading block fixed beam I (30) is arranged on the short top material loading block fixed beam II (42) via the top block column fixed beam (40); The oblique fixed beam II (38) is also provided with a supporting hub mounting plate I (31) and a supporting hub mounting plate II (32); The long loading top block (26) and the short loading top block (29) are parallel to each other; The long loading top blocks (26) and the short loading top blocks (29) on the stepped loading rack II (3) are arranged in a stepped manner, and the distances between adjacent long loading top blocks (26) and between the long loading top blocks (26) and the short loading top blocks (29) are fixed; A slider (33) is provided on the slider fixing plate (28), and the slider (33) and the slide rail (11) are matched and connected to each other; Two short material loading top blocks (29) are arranged on the short material loading top block fixing beam I (30), and the distance between the two short material loading top blocks (29) is fixed; The step-type loading rack I (2) is located above the step-type loading rack II (3), and the long loading top blocks (26) and the short loading top blocks (29) on the step-type loading rack II (3) extend into the gaps between the long loading top blocks (26) and the short loading top blocks (29) on the step-type loading rack I (2), so that all the long loading top blocks (26) and the short loading top blocks (29) on the step-type loading rack I (2) and the step-type loading rack II (3) are arranged in a staggered manner in a step-like manner; The loading rack linkage mechanism (4) comprises an upper connecting plate assembly (44) and a lower connecting plate assembly (45), wherein the upper connecting plate assemblies (44) are two in number and are respectively mounted on two linkage bearing seat plates I (14), and the lower connecting plate assemblies (45) are two in number and are respectively mounted on linkage bearing seat plates II (15); The upper connecting plate assembly (44) comprises a linked upper connecting plate (46), an upper connecting plate long axis (50), a power rod connecting axis (48) and a supporting wheel hub (56); An upper connecting plate long axis (50), a power rod connecting axis (48) and a supporting hub (56) are fixedly arranged on the linkage upper connecting plate (46); The long axis (50) of the upper connecting plate and the power rod connecting axis (48) are fixedly arranged on one side of the linkage upper connecting plate (46), and the supporting hub (56) is fixedly arranged on the other side of the linkage upper connecting plate (46), wherein the number of the supporting hubs (56) is two and they are respectively installed at both ends of the linkage upper connecting plate (46), and the long axis (50) of the upper connecting plate is installed in the middle of the linkage upper connecting plate (46); The long axis (50) of the upper connecting plate is hingedly connected to the linkage bearing seat plate I (14) via a bearing; The two support hubs (56) of the upper connecting plate assembly (44) are respectively hinged to the two support hub mounting plates I (31) on the same side of the stepped loading rack I (2) and the stepped loading rack II (3) through shaft rods; The lower connecting plate assembly (45) comprises a linked lower connecting plate (57), a lower connecting plate long axis (60) and a supporting hub (56); The linkage lower connecting plate (57) is provided with a lower connecting plate long axis (60) on one side and two supporting hubs (56) on the other side; The long axis (60) of the lower connecting plate is hingedly connected to the linkage bearing seat plate II (15) via a bearing; The two supporting hubs (56) of the lower connecting plate assembly (45) are respectively hinged to the two supporting hub mounting plates II (32) on the same side of the stepped loading rack I (2) and the stepped loading rack II (3) through shaft rods; The power output end of the power transmission mechanism (6) is connected to a transmission rod, and eccentric wheels are provided at both ends of the transmission rod. There are two power rods (77), and one end of the power rod (77) is hinged to the eccentric wheel, and the other end is hinged to the linkage upper connecting plate (46) via a power rod connecting shaft (48); The distance between adjacent long loading top blocks (26) is greater than the thickness of the long loading top blocks (26); The angle between the long loading top block (26) on the stepped loading rack I (2) and the oblique fixed beam I (27) is 40-60 degrees.

2. A reciprocating staggered uniform automatic feeding device according to claim 1, characterized in that: The linkage lower connecting plate (57) and the lower connecting plate long axis (60) are connected by welding, and the linkage upper connecting plate (46) and the upper connecting plate long axis (50) are connected by welding.

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