Automatic feeding mechanism for steel bar wire drawing machine

Abstract

The utility model discloses an automatic feeding mechanism for steel bar wire drawing machine, including a plurality of steel bar, work table, a plurality of guide wheels, a plurality of stop block, automatic elevating gear, a plurality of baffle, sensor, feed cylinder, wire drawing mould, first motor, second motor, first belt pulley, second belt pulley, third belt pulley, fourth belt pulley, automatic pressing mechanism and controller. By a plurality of stop block stop resistance steel bar in the inclined upper surface of work table, after detecting that there is no steel bar on the guide wheel by the sensor, feedback to the controller, by the controller control automatic elevating gear and raise the steel bar to be higher than the stop block, then along the inclined surface fall into the guide wheel, again by the pressing fit and rotation of upper guide wheel and lower guide wheel, the steel bar is transported to the wire drawing machine. The application solves the problem that the feeding of steel bar needs to follow the rhythm and speed of automatic wire drawing, realizes the automatic feeding and automatic continuous operation of steel bar.

Description

Technical Field

[0001] This utility model relates to the field of metal processing technology, specifically to an automatic feeding mechanism for a steel bar wire drawing machine. Background Technology

[0002] Wire drawing machines are important pre-processing equipment in the production of metal products. Through physical drawing, wire drawing machines enable metal wires or bars to meet the requirements of subsequent processing in terms of diameter, roundness, internal metallographic structure, surface finish and straightness.

[0003] For example, Chinese Patent No. CN216095596U, published on March 22, 2022, discloses a wire drawing machine for steel bar processing, including a frame, a wire drawing die mounting frame, a wire drawing die, a clamp, a clamping cylinder, a driving cylinder, a first transmission arm, a hook, a chain, a first driving motor, a second driving motor, and a transmission rope. The wire drawing die mounting frame is installed at one end of the frame, and the wire drawing die is installed inside the mounting frame. A support slide plate is installed on the frame next to the wire drawing die mounting frame, and a clamp is installed on the support slide plate. A clamping cylinder is installed at the end of the clamp away from the wire drawing die mounting frame, and a driving cylinder is installed above the clamping cylinder. The driving cylinder is hinged to a cylinder mounting frame, which is located next to the clamp. This invention uses the motor working in conjunction with gears and a chain to provide driving power, facilitating the movement and wire drawing of the product after clamping, thus improving its working efficiency. Simultaneously, the cylinder, in conjunction with the transmission arm, allows the hook to be tightened and disengaged from the chain, eliminating the need for manual operation.

[0004] As can be seen from the above patents, although the steel bar drawing machine achieves automatic wire drawing, the feeding of steel bars in actual applications also needs to keep up with the rhythm and speed of automatic wire drawing. Therefore, this utility model provides an automatic feeding mechanism for a steel bar drawing machine to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an automatic feeding mechanism for a steel bar wire drawing machine.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An automatic feeding mechanism for a steel bar drawing machine includes several steel bars. A workbench for stacking a plurality of the steel bars, the plurality of the steel bars being arranged in parallel on the upper surface of the workbench; A plurality of guide wheels are provided for guiding the steel strip toward the wire drawing machine, and the guide wheels are fixedly installed on one side of the worktable; Several stops are provided to prevent the steel bar from sliding toward the guide wheel, and the stops are fixedly installed on the edge of the upper surface of the worktable. An automatic lifting mechanism is provided to raise the steel bar above the stop block, and the automatic lifting mechanism is located below the worktable. The automatic lifting mechanism includes a plurality of lifting blocks, a synchronous support, a limiter, and a first cylinder arranged sequentially from top to bottom. The lifting blocks are located directly below the steel bar closest to the stop block on the worktable. The plurality of lifting blocks are connected together by the synchronous support below them. The lower part of the synchronous support is fixedly connected to the limiter, which includes an upper limit plate, a lower limit plate, and a limit block. The upper limit plate and the lower limit plate are respectively fixedly connected to the inner wall of the worktable. The limit block moves up and down between the upper limit plate and the lower limit plate and is fixedly installed on the synchronous support. The output end of the first cylinder is fixedly connected to the synchronous support, and the first cylinder is fixedly connected to the inner wall of the worktable through the support.

[0007] Preferably, a plurality of baffles are provided on the side of the guide wheel away from the worktable, the baffles are fixedly connected to the outer wall of the worktable, and the distance between the baffles and the guide wheel, and between the guide wheel and the worktable, is smaller than the diameter of the steel strip.

[0008] Preferably, a sensor, a feed cylinder, and a wire drawing die are sequentially arranged on the rear end of the workbench along the direction of the steel bar's travel. The sensor is fixedly installed on the side of the workbench, and the feed cylinder and wire drawing die are installed on the steel bar wire drawing machine at the rear end of the direction of the steel bar's travel. The centers of the sensor, the feed cylinder, and the wire drawing die are on the same horizontal line.

[0009] Preferably, a first motor and a second motor are respectively installed in the workbench. The output end of the first motor is connected to a first pulley and a second pulley via belts. The output end of the second motor is connected to a third pulley and a fourth pulley via belts. The first pulley, the second pulley, the third pulley, and the fourth pulley are fixedly connected to the guide wheel.

[0010] Preferably, the plurality of guide wheels includes an upper guide wheel and a plurality of lower guide wheels, the centers of the lower guide wheels are on the same horizontal line, and the vertical distance between the upper and lower guide wheels is equal to the diameter of the steel bar; the upper guide wheel is connected to an automatic pressing mechanism, the automatic pressing mechanism including a rotating shaft, a bracket, an upper limit rod, a limit ring, a lower limit rod, and a second cylinder arranged sequentially from top to bottom, the rotating shaft is fixedly connected to and passes through the axis of the upper guide wheel, the rotating shaft is rotatably connected to the upper part of the bracket, the upper limit rod and the lower limit rod are respectively fixedly connected to the outer wall of the worktable, the limit ring is fixedly connected to the bracket and located between the upper limit rod and the lower limit rod; the second cylinder is fixedly connected to the bottom of the bracket.

[0011] Preferably, a controller is provided on the inner wall of the workbench, and the controller is electrically connected to the first cylinder, the sensor, the first motor, the second motor and the second cylinder respectively.

[0012] Preferably, the upper surfaces of the worktable and the stop are both inclined slopes with a lower front and a higher back, and the inclination angle is 5~10º.

[0013] The beneficial effects of this utility model are: By using several stops to prevent steel bars from resting on the inclined upper surface of the worktable, and a sensor detecting the absence of steel bars on the guide wheels, feedback is sent to the controller. The controller then controls an automatic lifting mechanism to raise the steel bars above the stops, allowing them to fall onto the guide wheels along the inclined surface. The pressing and rotating action of the upper and lower guide wheels then transports the steel bars to the wire drawing machine. This application solves the problem of ensuring that the feeding of steel bars keeps pace with the automatic wire drawing process, achieving automatic feeding and automated continuous operation of steel bars. Attached Figure Description

[0014] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0016] Figure 1 This is a side view of the structure of this utility model; Figure 2 This is a front view structural diagram of the present utility model; Figure 3 This is a schematic diagram of the left side view of the present invention; Figure 4 This is a schematic diagram of the automatic pressing mechanism structure viewed from the left side of this utility model. As shown in the figure: 1. Steel bar; 2. Workbench; 3. Guide wheel; 4. Stop block; 5. Automatic lifting mechanism; 51. Lifting block; 52. Synchronous support; 53. Limiter; 531. Upper limit plate; 532. Lower limit plate; 533. Limit block; 54. First cylinder; 6. Baffle; 7. Sensor; 8. Feed cylinder; 9. Wire drawing die; 10. First motor; 11. Second motor; 12. First pulley; 13. Second pulley; 14. Third pulley; 15. Fourth pulley; 16. Automatic pressing mechanism; 1601. Rotating shaft; 1602. Support; 1603. Upper limit rod; 1604. Limit ring; 1605. Lower limit rod; 1606. Second cylinder; 17. Controller. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0019] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0020] It should be noted that similar labels and letters are likely to represent similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Reference Figure 1-4 The present invention discloses an automatic feeding mechanism for a steel bar wire drawing machine, comprising several steel bars 1, a worktable 2, several guide wheels 3, several stops 4, an automatic lifting mechanism 5, several baffles 6, a sensor 7, a feeding cylinder 8, a wire drawing die 9, a first motor 10, a second motor 11, a first pulley 12, a second pulley 13, a third pulley 14, a fourth pulley 15, an automatic pressing mechanism 16, and a controller 17.

[0024] Several steel bars 1 are arranged in parallel on the upper surface of a workbench 2 used for stacking the steel bars 1. The upper surface of the workbench 2 is an inclined surface with a front-lower, rear-higher angle of 5-10º. This facilitates the stacking of steel bars 1 on the inclined surface of the workbench 2 and allows the steel bars 1 behind to push the steel bars in front towards the guide wheels 3. Several guide wheels 3, used to guide the steel bars 1 towards the wire drawing machine, are fixedly installed on one side of the workbench 2. Several stop blocks 4, used to prevent the steel bars 1 from sliding towards the guide wheels 3, are fixedly installed on the edge of the upper surface of the workbench 2. The upper surface of the stop blocks 4 is an inclined surface with a front-lower, rear-higher angle of 5-10º. As bar 1 slides toward guide wheel 3, it can slide toward guide wheel 3 along the inclined surface of stop 4 after rising above stop 4. An automatic lifting mechanism 5 for raising bar 1 above stop 4 is located below worktable 2. The automatic lifting mechanism 5 includes several lifting blocks 51, a synchronous bracket 52, a limiter 53, and a first cylinder 54 arranged sequentially from top to bottom. The lifting blocks 51 for raising bar 1 are located directly below the bar 1 closest to stop 4 on worktable 2. The lifting blocks 51 can pass through the worktable 2 through corresponding notches of suitable size. Several lifting blocks 51... Synchronous supports 52 are connected together to achieve synchronous rising or falling; limiters 53 for limiting the rising or falling height are fixedly connected to the lower part of the synchronous supports 52. The limiter 53 includes an upper limit plate 531, a lower limit plate 532, and a limit block 533. The upper limit plate 531 for limiting the rising limit and the lower limit plate 532 for limiting the falling limit are respectively fixedly connected to the inner wall of the worktable 2. The limit block 533, which moves up and down between the upper limit plate 531 and the lower limit plate 532, is fixedly installed on the synchronous supports 52. The output end of the first cylinder 54 is fixedly connected to the synchronous supports 52. 4. The first cylinder 54 is fixedly connected to the inner wall of the workbench 2 by a bracket; the output end of the first cylinder 54 can drive the synchronous bracket 52 to rise or fall. The limit block 533 limits the rise and fall between the upper limit plate 531 and the upper limit plate 531, thereby driving the lifting block 51 to rise and fall. Thus, the output end of the first cylinder 54 drives the synchronous bracket 52, which in turn drives several lifting blocks 51 to rise or fall synchronously. Then, the limit block 533 limits the rise and fall between the upper limit plate 531, thereby allowing several lifting blocks 51 to rise or fall. This allows the steel bar 1 to be raised above the stop block 4 and then lowered back to its original position.

[0025] In an optional embodiment, a number of baffles 6 are provided on the side of the guide wheel 3 away from the worktable 2. The distance between the baffles 6 fixedly connected to the outer wall of the worktable 2 and the guide wheel 3, and between the guide wheel 3 and the worktable 2, is smaller than the diameter of the steel bar 1. This is so that if the steel bar 1 slides from the stop block 4 to the guide wheel 3 and exceeds the guide wheel 3, it can be blocked back into the guide wheel 3 by the baffles 6, so as to ensure that the steel bar 1 falls into the guide wheel 3.

[0026] In an optional embodiment, a sensor 7, a feed cylinder 8, and a wire drawing die 9 are sequentially arranged on the rear end of the workbench 2 along the traveling direction of the steel strip 1. The sensor 7, which is fixedly installed on the side of the workbench 2, detects the state of the steel strip 1 in real time. The feed cylinder 8, which is used to position the traveling direction of the steel strip 1, and the wire drawing die 9, which is used to draw the steel strip 1, are installed on the steel strip wire drawing machine at the rear end of the traveling direction of the steel strip 1. The centers of the sensor 7, the feed cylinder 8, and the wire drawing die 9 are on the same horizontal line to ensure accurate wire drawing of the steel strip 1.

[0027] In an optional embodiment, a first motor 10 and a second motor 11 for providing power are respectively disposed in the workbench 2. The output ends of the first motor 10 and the second motor 11 are connected to a first pulley 12, a second pulley 13, a third pulley 14, and a fourth pulley 15 respectively via belts. The output ends of the first motor 10 and the second motor 11 drive the first pulley 12, the second pulley 13, the third pulley 14, and the fourth pulley 15 to rotate synchronously. The first pulley 12, the second pulley 13, the third pulley 14, and the fourth pulley 15 are fixedly connected to the guide wheel 3, thereby driving the guide wheel 3 to rotate synchronously, so as to drive the steel bar 1 to be conveyed to the wire drawing machine.

[0028] In an optional embodiment, the guide wheels 3 include an upper guide wheel 3 and several lower guide wheels 3, the vertical distance between the upper guide wheel 3 and the lower guide wheels 3 being equal to the diameter of the steel strip 1; the centers of the lower guide wheels 3 are on the same horizontal line, and the upper guide wheel 3 and the lower guide wheels 3 are used together to press and rotate the steel strip 1 to transport the steel strip 1 to the wire drawing machine; the upper guide wheel 3 is connected to the automatic pressing mechanism 16 to ensure the pressing of the upper guide wheel 3 on the steel strip 1; the automatic pressing mechanism 16 includes a rotating shaft 1601, a bracket 1602, an upper limit rod 1603, a limit ring 1604, a lower limit rod 1605, and a second cylinder 1606 arranged sequentially from top to bottom; the rotating shaft 1601 is fixedly connected to and passes through the axis of the upper guide wheel 3, and the rotating shaft 1601 is rotatably connected to the upper part of the bracket 1602 to ensure The upper guide wheel 3 is rotatable; the upper limit rod 1603, which limits the upward movement, and the lower limit rod 1605, which limits the downward movement, are fixedly connected to the outer wall of the worktable 2. The limiting ring 1604 is fixedly connected to the bracket 1602 and moves up and down between the upper limit rod 1603 and the lower limit rod 1605; the bottom of the bracket 1602 is fixedly connected to the second cylinder 1606; the output end of the second cylinder 1606 can drive the bracket 1602, which in turn drives the rotating shaft 1601 and the upper guide wheel 3 to rise or fall. The limiting ring 1604 limits the upper guide wheel 3 to rise or fall between the upper limit rod 1603 and the lower limit rod 1605, thereby limiting the rise or fall of the upper guide wheel 3. The upper guide wheel 3 can be limited to rise and then limited to fall. When used in conjunction with the lower guide wheel 3, it can press and rotate the steel bar 1 to feed the steel bar 1 to the wire drawing machine.

[0029] In an optional embodiment, a controller 17 is provided on the inner wall of the workbench 2. The controller 17 is electrically connected to and controls the first cylinder 54, the sensor 7, the first motor 10, the second motor 11, and the second cylinder 1606.

[0030] The working principle and usage process of this utility model are as follows: The controller 17 controls the first motor 10, the second motor 11, and the second cylinder 1606 respectively. The output ends of the first motor 10 and the second motor 11 drive the first pulley 12, the second pulley 13, the third pulley 14, and the fourth pulley 15 to rotate synchronously, which in turn drive several lower guide wheels 3 to rotate synchronously. The output end of the second cylinder 1606 drives the bracket 1602, which in turn drives the rotating shaft 1601 and the upper guide wheel 3 to descend to a limit. The upper guide wheel 3 and the lower guide wheel 3 are used together to press and rotate the steel bar 1, which is then conveyed towards the feed cylinder 8 and the wire drawing die 9. When the sensor 7 monitors the state of the steel bar 1 in real time and changes from present to absent (having completely passed the sensor 7), the sensor 7 transmits a signal to the controller 17. The controller 17 controls the first cylinder 54 and the second cylinder 1606. The output end of the first cylinder 54 drives the synchronous bracket 52, which in turn drives several lifting blocks 51 to rise and then fall synchronously. Then, the limit block 533 limits the lifting blocks 51 between the upper limit plate 531 and the upper limit plate 531, thereby limiting the rise and fall of several lifting blocks 51. This allows the steel bar 1 to be raised above the stop 4 and then lowered back to its original position. The steel bar 1 slides down the inclined surface of the stop 4 and falls into several lower guide wheels 3 after being blocked by the baffle 6. When the first cylinder 54 starts, the output end of the second cylinder 1606, which starts synchronously, drives the bracket 1602, which in turn drives the rotating shaft 1601 and the upper guide wheel 3 to rise. Then, the limiting ring 1604 limits the upper guide wheel 3 between the upper limit rod 1603 and the lower limit rod 1605, thereby limiting the rise of the upper guide wheel 3. This makes the distance between the upper guide wheel 3 and the lower guide wheel 3 much larger than the diameter of the steel bar 1, so that the steel bar 1 falls into several lower guide wheels 3. The controller 17 controls the second cylinder according to the control program. The output end of cylinder 1606 drives bracket 1602, which in turn drives rotating shaft 1601 and upper guide wheel 3 to descend. Then, the limiting ring 1604 limits the upper guide wheel 3 between upper limit rod 1603 and lower limit rod 1605, thereby limiting the descent of upper guide wheel 3. The distance between upper guide wheel 3 and lower guide wheel 3 is equal to the diameter of steel bar 1. The upper guide wheel 3 and lower guide wheel 3 are used together to press and rotate steel bar 1, conveying steel bar 1 towards feed cylinder 8 and wire drawing die 9.

[0031] Of course, the embodiments described in this specific implementation are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. An automatic feeding mechanism for a steel bar drawing machine, comprising a plurality of steel bars (1), A workbench (2) is used to stack a number of steel bars (1), and the number of steel bars (1) are arranged in parallel on the upper surface of the workbench (2); A plurality of guide wheels (3) are provided for guiding the steel strip (1) to move toward the wire drawing machine. The guide wheels (3) are fixedly installed on one side of the worktable (2). Its features are: A number of stops (4) are provided to prevent the steel bar (1) from sliding toward the guide wheel (3). The stops (4) are fixedly installed on the edge of the upper surface of the workbench (2). An automatic lifting mechanism (5) is used to raise the steel bar (1) above the stop block (4), and the automatic lifting mechanism (5) is located below the workbench (2); The automatic lifting mechanism (5) includes a plurality of lifting blocks (51), a synchronous bracket (52), a limiter (53), and a first cylinder (54) arranged sequentially from top to bottom. The lifting blocks (51) are located directly below the steel bar (1) closest to the stop block (4) on the worktable (2). The plurality of lifting blocks (51) are connected together by the synchronous bracket (52) below them. The lower part of the synchronous bracket (52) is fixedly connected to the limiter (53), and the limiter (53) includes an upper limit plate (531). The upper limit plate (531) and the lower limit plate (532) are fixedly connected to the inner wall of the worktable (2), and the limit block (533) moves up and down between the upper limit plate (531) and the lower limit plate (532) and is fixedly installed on the synchronous bracket (52). The output end of the first cylinder (54) is fixedly connected to the synchronous bracket (52), and the first cylinder (54) is fixedly connected to the inner wall of the worktable (2) through the bracket.

2. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 1, characterized in that: A number of baffles (6) are provided on the side of the guide wheel (3) away from the worktable (2). The baffles (6) are fixedly connected to the outer wall of the worktable (2). The distance between the baffles (6) and the guide wheel (3), and between the guide wheel (3) and the worktable (2) is smaller than the diameter of the steel bar (1).

3. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 1, characterized in that: The workbench (2) is provided with a sensor (7), a feed cylinder (8) and a wire drawing die (9) in sequence at the rear end of the steel bar (1) along the direction of travel. The sensor (7) is fixedly installed on the side of the workbench (2). The feed cylinder (8) and the wire drawing die (9) are installed on the steel bar wire drawing machine at the rear end of the direction of travel of the steel bar (1). The centers of the sensor (7), the feed cylinder (8) and the wire drawing die (9) are on the same horizontal line.

4. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 3, characterized in that: The workbench (2) is equipped with a first motor (10) and a second motor (11). The output end of the first motor (10) is connected to the first pulley (12) and the second pulley (13) via belts. The output end of the second motor (11) is connected to the third pulley (14) and the fourth pulley (15) via belts. The first pulley (12), the second pulley (13), the third pulley (14) and the fourth pulley (15) are fixedly connected to the guide wheel (3).

5. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 4, characterized in that: The guide wheels (3) include an upper guide wheel (3) and several lower guide wheels (3). The centers of the lower guide wheels (3) are on the same horizontal line. The vertical distance between the upper guide wheel (3) and the lower guide wheel (3) is equal to the diameter of the steel bar (1). The upper guide wheel (3) is connected to an automatic pressing mechanism (16). The automatic pressing mechanism (16) includes a rotating shaft (1601), a bracket (1602), an upper limit rod (1603), a limit ring (1604), a lower limit rod (1605), and a second cylinder (1605) arranged sequentially from top to bottom. 06), the rotating shaft (1601) is fixedly connected to and passes through the axis of the guide wheel (3), the rotating shaft (1601) is rotatably connected to the upper part of the bracket (1602), the upper limit rod (1603) and the lower limit rod (1605) are respectively fixedly connected to the outer wall of the worktable (2), the limiting ring (1604) is fixedly connected to the bracket (1602) and located between the upper limit rod (1603) and the lower limit rod (1605); the bottom of the bracket (1602) is fixedly connected to the second cylinder (1606).

6. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 5, characterized in that: A controller (17) is provided on the inner wall of the workbench (2). The controller (17) is electrically connected to the first cylinder (54), the sensor (7), the first motor (10), the second motor (11), and the second cylinder (1606).

7. The automatic feeding mechanism for a steel bar wire drawing machine according to claim 1, characterized in that: The upper surfaces of the workbench (2) and the stop (4) are both inclined slopes with a lower front and a higher back, and the inclination angle is 5~10º.

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