Straight steel bar double-feeding method and device

Abstract

The invention belongs to the technical field of reinforcing mesh production lines, and discloses a straight reinforcing steel bar double-feeding method and device. According to the straight reinforcing steel bar double-feeding method, a feeding area is arranged at the front end of a wire feeding mechanism, a chain conveying mechanism and a manual feeding mechanism are arranged in the feeding area, the manual feeding mechanism is arranged below the chain conveying mechanism, the manual feeding mechanism comprises a lifting material frame, and the lifting material frame can do lifting motion; the straight reinforcing steel bars are divided into two types, and if the straight reinforcing steel bars to be fed are the first type of straight reinforcing steel bars, the chain conveying mechanism is started for feeding; otherwise, the chain conveying mechanism stops running, and the lifting material frame ascends for manual feeding. The chain conveying structure and the manual feeding mechanism are arranged in the feeding area at the same time for feeding, the feeding limitation of the chain conveying mechanism is made up, the problem that the chain conveying mechanism can only feed reinforcing steel bars of special sizes is solved, and the double-feeding mode is beneficial to improving the production efficiency of multi-specification reinforcing meshes.

Description

Technical Field

[0001] The invention relates to the technical field of steel mesh production lines, and in particular to a double-feeding method and device for straight steel bars. Background Art

[0002] In the steel mesh welding production line, the longitudinal reinforcement is generally loaded by sending the steel bars to the loading area through a chain conveyor mechanism, and then the longitudinal reinforcement is loaded through a wire feeding mechanism.

[0003] In the prior art, the spacing between each steel bar in the longitudinal reinforcement feeding mechanism can only be determined by the spacing between the chain teeth in the chain transmission mechanism. The diameter of the feeding steel bar is limited to 7mm-16mm, and the length of the feeding steel bar is limited to 1500mm-6000mm. The steel bar spacing is greater than or equal to 25mm and can be adjusted in increments of 25. For some steel bars with special spacing or special diameters, the existing longitudinal reinforcement feeding mechanism cannot realize feeding and cannot meet the diversified production needs of steel mesh, resulting in reduced production efficiency. Summary of the invention

[0004] The object of the present invention is to provide a double feeding method and device for straight steel bars, so as to solve the feeding problem of steel bars of special sizes, thereby improving the production efficiency of steel mesh.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] The double feeding method of straight steel bars comprises the following steps:

[0007] S1, a feeding area is set at one end of the wire feeding mechanism, and a chain conveying mechanism and a manual feeding mechanism are set in the feeding area, the manual feeding mechanism is set below the chain conveying mechanism, and the manual feeding mechanism includes a lifting rack, and the lifting rack can move up and down;

[0008] S2, dividing the straight steel bars into two categories, if the straight steel bars to be loaded are the straight steel bars of the first category, executing step S3, otherwise, executing step S4;

[0009] S3, the lifting rack descends to the non-working position, and the chain conveying mechanism is started to automatically load the material;

[0010] S4, the chain conveying mechanism stops running, the lifting rack rises to the working position, and manual loading is performed manually through the manual loading mechanism.

[0011] In some embodiments, the diameter range of the straight steel bars of the first type is 7mm-16mm, the length range is 1500mm-6000mm, the steel bar spacing kL, k is a positive integer, L is the steel bar spacing for automatic loading of the chain conveyor mechanism (1), and the rest are the straight steel bars of the second type.

[0012] In some embodiments, the surface of the lifting rack is a plane, and the spacing between the second type of straight steel bars on the surface of the lifting rack is continuously adjustable.

[0013] A straight steel bar double feeding device is used to implement the straight steel bar double feeding method provided by the present invention, and the straight steel bar double feeding device comprises:

[0014] A chain conveying mechanism, the chain conveying mechanism can convey straight steel bars along a first direction, the chain conveying mechanism is arranged in a feeding area at the front end of the wire feeding mechanism;

[0015] A manual loading mechanism is arranged below the chain conveying mechanism, and the manual loading mechanism includes a lifting rack. When the straight steel bars are of the first type, the chain conveying mechanism starts to run for automatic loading; when the straight steel bars are of the second type, the chain conveying mechanism stops running, and the lifting rack rises for manual loading.

[0016] In some embodiments, the manual feeding mechanism further comprises:

[0017] A connecting beam, wherein the connecting beam is fixedly connected to a frame of the chain conveying mechanism;

[0018] A lifting drive component, wherein the lifting drive component is arranged on the connecting beam, the lifting material rack is arranged at the output end of the lifting drive component, and the lifting drive component is used to drive the lifting material rack to perform lifting movement.

[0019] In some embodiments, the lifting rack comprises:

[0020] A crossbeam, the crossbeam extending along the second direction, the output end of the lifting drive member being connected to the crossbeam;

[0021] A longitudinal beam, wherein a plurality of longitudinal beams are provided, and the plurality of longitudinal beams are arranged at intervals along the second direction, the chain-driven conveying mechanism comprises a plurality of conveying chains, and the plurality of conveying chains are arranged at intervals along the second direction, and the plurality of longitudinal beams and the plurality of conveying chains are arranged alternately;

[0022] A support beam, wherein two ends of the support beam are respectively connected to the cross beam and the longitudinal beam.

[0023] In some embodiments, the support beam is arranged along the vertical direction, and the length of the support beam along the vertical direction is greater than the installation height of the conveying chain.

[0024] In some embodiments, the lifting drive members are provided in plurality, and the plurality of lifting drive members are spaced apart along the second direction.

[0025] In some embodiments, two cross beams are provided, the two cross beams are spaced apart along the first direction, and the plurality of lifting drive members are arranged in pairs on the two cross beams.

[0026] In some embodiments, the lifting drive member is an air spring, a cylinder or a servo motor.

[0027] Beneficial effects of the present invention:

[0028] The double feeding method for straight steel bars provided by the present invention can feed two types of straight steel bars separately by simultaneously arranging a chain conveying mechanism and a manual feeding mechanism in the feeding area at the front end of the wire feeding mechanism. Feeding by the manual feeding mechanism makes up for the feeding limitation of the chain conveying mechanism and solves the problem that the chain conveying mechanism can only be used to feed steel bars of special sizes. Through the lifting and lowering movement of the lifting rack, the manual feeding mechanism can flexibly select between automatic feeding and manual feeding methods, thereby facilitating improving the production efficiency of steel meshes with multiple specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a flow chart of the double feeding method of straight steel bars provided by the present invention;

[0030] Figure 2 It is a schematic diagram of the automatic feeding state in the double feeding method for straight steel bars provided by the present invention;

[0031] Figure 3 It is a schematic diagram of the manual feeding state in the double feeding method for straight steel bars provided by the present invention;

[0032] Figure 4 It is a top view of the double feeding device for straight steel bars provided by the present invention;

[0033] Figure 5 It is a top view of the manual feeding mechanism in the double feeding device for straight steel bars provided by the present invention;

[0034] Figure 6 This is the main view of the manual feeding mechanism in the double feeding device for straight steel bars provided by the present invention;

[0035] Figure 7 It is a top view of the lifting rack in the double feeding device for straight steel bars provided by the present invention.

[0036] In the figure:

[0037] 1. Chain transmission mechanism; 11. Transmission chain;

[0038] 2. Manual feeding mechanism; 21. Lifting rack; 211. Crossbeam; 212. Longitudinal beam; 213. Support beam; 214. Limiting plate; 215. Guide plate; 22. Connecting beam; 23. Lifting drive member. DETAILED DESCRIPTION

[0039] The present invention 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 present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] The embodiment of the present invention provides a double feeding method for straight steel bars, such as Figure 1-Figure 3 As shown, the following steps are included:

[0044] S1, a feeding area is set at the front end of the wire feeding mechanism, a chain conveying mechanism 1 and a manual feeding mechanism 2 are set in the feeding area, the manual feeding mechanism 2 is set below the chain conveying mechanism 1, and the manual feeding mechanism 2 includes a lifting rack 21, and the lifting rack 21 can move up and down to switch the feeding mode;

[0045] S2, dividing the straight steel bars into two categories, if the straight steel bars to be loaded are the first category of straight steel bars, executing step S3, otherwise, executing step S4;

[0046] S3, the lifting rack 21 descends to the non-working position, and the chain conveyor mechanism 1 is started to automatically load the material. Figure 2 ;

[0047] S4, the chain conveyor mechanism 1 stops running, the lifting rack 21 rises to the working position, and the manual loading mechanism 2 is used for manual loading. Figure 3 .

[0048] The double feeding method for straight steel bars provided by the present invention can feed two types of straight steel bars separately by simultaneously arranging a chain conveyor mechanism 1 and a manual feeding mechanism 2 in the feeding area. Manual feeding is performed through the manual feeding mechanism 2, which makes up for the feeding limitation of the chain conveyor mechanism 1 and solves the problem that the chain conveyor mechanism 1 can only realize the feeding of steel bars of special sizes. Through the lifting movement of the lifting rack 21, the manual feeding mechanism 2 can flexibly select between automatic feeding and manual feeding, thereby helping to improve the production efficiency of multi-specification steel meshes.

[0049] In some embodiments, the diameter range of the first type of straight steel bars is 7mm-16mm, the length range is 1500mm-6000mm, the steel bar spacing kL, k is a positive integer, L is the steel bar spacing for automatic loading of the chain conveyor mechanism 1, and the rest are second type straight steel bars.

[0050] Limited by the chain conveyor mechanism 1 and its preceding equipment, the existing equipment can only realize automatic loading of the first type of straight steel bars. However, with the increasing demand for diversified size specifications of steel mesh, the size specifications of existing straight steel bars are also diversified, which cannot be realized by the existing chain conveyor mechanism 1 and its preceding equipment. Adding equipment or modifying the chain conveyor structure 1 will incur a large production cost. Therefore, on the basis of the existing chain conveyor mechanism 1, the embodiment of the present invention simultaneously sets a chain conveyor mechanism 1 and a manual loading mechanism 2 in the loading area. The manual loading mechanism 2 has a lifting frame 21 with lifting movement, so that free switching between automatic loading and manual loading can be realized. When the straight steel bars are conventional first type straight steel bars, the chain conveyor mechanism 1 in the prior art is used for automatic loading. When a special size of the second type of straight steel bar is needed, the manual feeding mechanism 2 is started for manual feeding. By placing the second type of straight steel bar directly on the lifting rack 21 and manually feeding and threading, the size limit of the straight steel bar is broken. The diameter of the second type of straight steel bar can be less than 7mm, and the length can be greater than 6000mm. Manual operation can achieve feeding of any steel bar spacing without specific restrictions. Preferably, when manually feeding, the diameter range of the second type of straight steel bar can be 3mm-16mm, the length range is 1500mm-12000mm, and the steel bar spacing is steplessly adjustable and is not limited by equipment parameters.

[0051] In some embodiments, the surface of the lifting rack 21 is a plane, and the spacing between the second type of straight steel bars on the surface of the lifting rack 21 is continuously adjustable.

[0052] like Figure 2 and Figure 3 As shown, the right end of the chain conveyor 1 is the loading area. In the loading area, straight steel bars are placed at fixed steel bar intervals to facilitate automatic loading of the next process. When the requirements for the steel bar spacing in the steel mesh change, the loading area cannot realize automatic loading, and manual loading is required. In order to cooperate with the next steel bar threading process, the manual loading mechanism 2 is correspondingly arranged in the loading area. During automatic loading, the position of the lifting rack 21 is lower than the chain conveyor 1, which does not affect the normal automatic loading of the chain conveyor 1. When manual loading is required, the lifting rack 21 rises, and the rising height is higher than the maximum height of multiple conveying chains 11 in the chain conveyor 1, and it is convenient for manual operation and matching with the next threading process. Since the surface of the lifting rack 21 is a plane, there is no preset or restriction on the steel bar spacing of multiple straight steel bars, which can be freely adjusted during manual loading, and loading is performed on demand, which greatly increases the flexibility and versatility of loading.

[0053] In order to realize the above-mentioned straight steel bar double feeding method, the present invention also provides a straight steel bar double feeding device, which is arranged in the feeding area at the front end of the wire feeding mechanism when in use, and is used to feed the wire feeding mechanism. Figure 4-Figure 7 As shown, the double feeding device for straight steel bars includes a chain conveying mechanism 1 and a manual feeding mechanism 2. The chain conveying mechanism 1 can convey the straight steel bars along a first direction (X direction), and the chain conveying mechanism 1 is arranged in the feeding area at the front end of the wire feeding mechanism; the manual feeding mechanism 2 is arranged below the chain conveying mechanism 1, and the manual feeding mechanism 2 includes a lifting rack 21. When the straight steel bars are the first type of straight steel bars, the chain conveying mechanism 1 starts to run for automatic feeding, and the lifting rack 21 descends to a non-working position below the chain conveying mechanism 1; when the straight steel bars are the second type of straight steel bars, the chain conveying mechanism 1 stops running, and the lifting rack 21 rises to a working position above the chain conveying mechanism 1 for manual feeding.

[0054] like Figure 4 As shown, the chain conveyor mechanism 1 includes a plurality of conveyor chains 11, the conveying directions of the plurality of conveyor chains 11 are along the first direction, and the plurality of conveyor chains 11 are arranged at intervals along the second direction (Y direction). It should be noted that, in order to facilitate manual feeding, the spacing between the plurality of conveyor chains 11 is arranged non-uniformly along the second direction. In this embodiment, among the seven conveyor chains 11, the spacing between the third and fourth conveyor chains 11 below is greater than the spacing between any other two conveyor chains 11. When manually feeding, the operator can stand in the space between the third and fourth conveyor chains 11 to perform manual feeding operations; at this time, the lifting rack 21 is arranged on one side of the operator's standing position for easy operation. It can be understood that the lifting rack 21 of the manual feeding mechanism 2 is extended along the second direction toward the direction away from the operator's standing position, and satisfies the stable support of the straight steel bars. The width dimension of the lifting rack 21 along the first direction is adapted to the width dimension of the feeding area of ​​the chain conveyor mechanism 1, so as to facilitate the connection and feeding with the next threading process.

[0055] In some embodiments, the manual loading mechanism 2 also includes a connecting beam 22 and a lifting drive member 23. The connecting beam 22 is fixedly connected to the frame of the chain conveying mechanism 1; the lifting drive member 23 is arranged on the connecting beam 22, and the lifting material rack 21 is arranged at the output end of the lifting drive member 23. The lifting drive member 23 is used to drive the lifting material rack 21 to perform lifting and lowering movements.

[0056] like Figure 5 As shown, the connecting beam 22 is extended along the second direction, the two connecting beams 22 are spaced apart along the first direction, a plurality of horizontal beams are spaced apart along the second direction between the two connecting beams 22, a plurality of lifting driving members 23 are provided, and the plurality of lifting driving members 23 are spaced apart along the second direction, the bottom end of the lifting driving member 23 is fixed on the horizontal beam, and the lifting rack 21 is fixed to the output end of the lifting driving member 23 to realize lifting movement. Preferably, the lifting driving member 23 is a linear driving mechanism, including but not limited to an air spring, a cylinder or a motor, and the plurality of lifting driving members 23 are evenly spaced apart to provide stable support. Figure 2 and Figure 3 The figure shows a schematic diagram of using an air spring as a lifting drive member 23. The air spring is inflated to drive the lifting rack 21 to rise to a working position higher than the conveying chain 11; the air spring is deflated to drive the lifting rack 21 down to a non-working position lower than the conveying chain 11. The inflation and deflation control of the air spring is a prior art and will not be described in detail in this embodiment.

[0057] like Figure 6 and Figure 7 The lifting rack 21 includes a crossbeam 211, a longitudinal beam 212 and a support beam 213. The crossbeam 211 is extended along the second direction, and the output end of the lifting drive member 23 is connected to the crossbeam 211; there are multiple longitudinal beams 212, and the multiple longitudinal beams 212 are arranged at intervals along the second direction. The chain conveying mechanism 1 includes multiple conveying chains 11, and the multiple conveying chains 11 are arranged at intervals along the second direction. The multiple longitudinal beams 212 and the multiple conveying chains 11 are alternately arranged; the two ends of the support beam 213 are respectively connected to the crossbeam 211 and the longitudinal beam 212.

[0058] It can be understood that the longitudinal beam 212 is cross-set with the conveying chain 11. When the longitudinal beam 212 moves up and down, in order to avoid position interference with the conveying chain 11, it is necessary to set a support beam 213 at the bottom end of the longitudinal beam 212, and the height of the support beam 213 is higher than the installation height of the conveying chain 11, so that when the longitudinal beam 212 is in the working position, the cross beam 211 does not contact the conveying chain 11, and the support beam 213 passes through the gaps between multiple conveying chains 11 to support the longitudinal beam 212.

[0059] In some embodiments, the support beam 213 is arranged in the vertical direction, and the length of the support beam 213 in the vertical direction is greater than the installation height of the conveyor chain 11, so that the longitudinal beam 212 does not interfere with the conveyor chain 11 during the lifting movement.

[0060] In some embodiments, in some embodiments, two beams 211 are provided, and the two beams 211 are spaced apart along the first direction, and a plurality of lifting drive members 23 are arranged in pairs on the two beams 211, so that the beams 211 are subjected to balanced force and the lifting movement is stable.

[0061] like Figure 5 As shown, along the first direction, the spacing between the two cross beams 211 is smaller than the spacing between the two connecting beams 22. Therefore, by arranging a horizontal beam between the two connecting beams 22, the bottom end of the lifting drive member 23 can be fixed on multiple horizontal beams, and the horizontal beam can improve the strength of the connecting beam 22 and facilitate the installation of the lifting drive member 23. The connecting beam 22 is fixedly connected to the chain conveyor mechanism 1, specifically connected to the frame, thereby integrating the chain conveyor mechanism 1 and the manual feeding mechanism 2 into a whole, realizing double feeding of straight steel bars.

[0062] In some embodiments, Figure 6 As shown, a limiting plate 214 is provided at both ends of the longitudinal beam 212, and the top of the limiting plate 214 protrudes from the upper surface of the longitudinal beam 212, which can limit the straight steel bars on the longitudinal beam 212 to prevent the straight steel bars from rolling and falling. Furthermore, a guide plate 215 is provided at the top of the limiting plate 214, and the guide plate 215 is inclined toward the side away from the longitudinal beam 212, thereby forming a flared shape at both ends of the longitudinal beam 212, which is convenient for the preceding equipment to place the straight steel bars on the longitudinal beam 212.

[0063] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Double feeding method for straight steel bars, characterized in that: The steps include: S1, a feeding area is arranged at the front end of a wire feeding mechanism, and a chain conveying mechanism (1) and a manual feeding mechanism (2) are arranged in the feeding area, the manual feeding mechanism (2) is arranged below the chain conveying mechanism (1), and the manual feeding mechanism (2) comprises a lifting rack (21), and the lifting rack (21) can move up and down; S2, dividing the straight steel bars into two categories, if the straight steel bars to be loaded are the straight steel bars of the first category, executing step S3, otherwise, executing step S4; S3, the lifting rack (21) descends to the non-working position, and the chain conveying mechanism (1) is started to automatically load the material; S4, the chain conveying mechanism (1) stops running, the lifting rack (21) rises to the working position, and manual loading is performed manually through the manual loading mechanism (2).

2. The double feeding method for straight steel bars according to claim 1, characterized in that: The diameter range of the straight steel bars of the first category is 7mm-16mm, the length range is 1500mm-6000mm, the steel bar spacing kL, k is a positive integer, L is the steel bar spacing for automatic loading by the chain conveyor mechanism (1), and the rest are the straight steel bars of the second category.

3. The double feeding method for straight steel bars according to claim 1, characterized in that: The surface of the lifting rack (21) is a plane, and the spacing between the second type of straight steel bars on the surface of the lifting rack (21) is continuously adjustable.

4. A double feeding device for straight steel bars, used to implement the double feeding method for straight steel bars according to any one of claims 1 to 3; characterized in that: The straight steel bar double feeding device comprises: A chain conveying mechanism (1), the chain conveying mechanism (1) being capable of conveying straight steel bars along a first direction, the chain conveying mechanism (1) being arranged in a loading area at the front end of a wire feeding mechanism; A manual loading mechanism (2), the manual loading mechanism (2) being arranged below the chain conveyor mechanism (1), the manual loading mechanism (2) comprising a lifting rack (21), when the straight steel bars are of the first type, the chain conveyor mechanism (1) starts to operate for automatic loading; when the straight steel bars are of the second type, the chain conveyor mechanism (1) stops operating, and the lifting rack (21) rises for manual loading.

5. The double feeding device for straight steel bars according to claim 4 is characterized in that: The manual feeding mechanism (2) further comprises: A connecting beam (22), wherein the connecting beam (22) is fixedly connected to a frame of the chain conveying mechanism (1); A lifting drive member (23), wherein the lifting drive member (23) is arranged on the connecting beam (22), the lifting material rack (21) is arranged at the output end of the lifting drive member (23), and the lifting drive member (23) is used to drive the lifting material rack (21) to perform lifting movement.

6. The double feeding device for straight steel bars according to claim 5, characterized in that: The lifting rack (21) comprises: A crossbeam (211), the crossbeam (211) extending along the second direction, the output end of the lifting drive member (23) being connected to the crossbeam (211); A longitudinal beam (212), wherein a plurality of longitudinal beams (212) are provided, and the plurality of longitudinal beams (212) are arranged at intervals along the second direction; the chain conveying mechanism (1) comprises a plurality of conveying chains (11), and the plurality of conveying chains (11) are arranged at intervals along the second direction; and the plurality of longitudinal beams (212) and the plurality of conveying chains (11) are arranged alternately; A support beam (213), wherein two ends of the support beam (213) are respectively connected to the cross beam (211) and the longitudinal beam (212).

7. The double feeding device for straight steel bars according to claim 6, characterized in that: The support beam (213) is arranged along the vertical direction, and the length of the support beam (213) along the vertical direction is greater than the installation height of the conveying chain (11).

8. The double feeding device for straight steel bars according to claim 6, characterized in that: A plurality of the lifting drive members (23) are provided, and the plurality of the lifting drive members (23) are arranged at intervals along the second direction.

9. The double feeding device for straight steel bars according to claim 8, characterized in that: Two cross beams (211) are provided, and the two cross beams (211) are arranged at intervals along a first direction, and a plurality of lifting drive members (23) are arranged in pairs on the two cross beams (211).

10. The double feeding device for straight steel bars according to claim 5, characterized in that: The lifting drive member (23) is an air spring, a cylinder or a servo motor.

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