Cold drawing mechanism for round steel production

Abstract

The utility model relates to the technical field of round steel production, in particular to a cold drawing mechanism for round steel production, which comprises a working table and a drawing mechanism, a door-shaped frame is arranged in the working table, two symmetrically distributed sliding chutes are arranged on the inner wall of the door-shaped frame, screw rods are rotatably arranged in the two sliding chutes, and the screw rods are arranged on the working table. Sliding blocks are in threaded connection with the outer walls of the two lead screws, a mold is fixedly connected between the two sliding blocks, a plurality of evenly-distributed discharging holes are formed in the center of the outer wall of the mold, and the mold can be driven to move up and down through cooperation of a servo motor, a first chain wheel, a second chain wheel, a chain, the lead screws, the sliding blocks and the mold. Through cooperation of the electric push rod, the sliding plate and the limiting rod, the mold can be further limited and fixed, round steel of different specifications is produced by forming the discharging holes of different specifications in the mold, and the problem that when round steel of different specifications needs to be produced in the past, time and labor are wasted due to the fact that an operator needs to replace the mold manually is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of round steel production, in particular to a cold drawing mechanism for round steel production. Background Art

[0002] Round steel refers to a solid long strip of steel with a circular cross-section. Its specifications are expressed in millimeters of diameter. Round steel is divided into three types: hot rolled, forged and cold drawn. Round steel needs to be cold drawn during the production process. After cold drawing, the round steel leaves the main body of the cold drawing mechanism.

[0003] The molds of the existing round steel production cold drawing mechanism are fixed and connected by bolts. When round steels of different sizes need to be produced, molds of different specifications need to be replaced. Workers need to manually remove the bolts to replace the molds, which is time-consuming and laborious, affecting production efficiency. Utility Model Content

[0004] In view of the above problems, the utility model proposes a cold drawing mechanism for round steel production to solve the above problems.

[0005] The utility model is implemented as follows: a cold drawing mechanism for round steel production comprises a workbench and a stretching mechanism, a portal frame is arranged inside the workbench, two symmetrically distributed slide grooves are provided on the inner wall of the portal frame, screw rods are rotatably arranged inside the two slide grooves, sliders are threadedly connected to the outer walls of the two screw rods, a mold is fixedly connected between the two sliders, a plurality of evenly distributed discharge holes are provided in the center of the outer wall of the mold, the upper ends of the two screw rods extend to the outside of the portal frame and are fixedly connected to a first sprocket, a servo motor is installed on the upper end surface of the portal frame, a second sprocket is fixedly connected to the output end of the servo motor, and the second sprocket is connected to the two first sprockets through a chain transmission.

[0006] In order to further fix the mold, as a preferred cold drawing mechanism for round steel production of the utility model, an installation cavity is opened inside the workbench, a slide is slidably connected inside the installation cavity, an electric push rod is installed on the left end face of the installation cavity, the output end of the electric push rod is fixedly connected to the slide, and two symmetrically distributed limit rods are fixedly connected to the left end face of the slide, a plurality of limit holes matching the limit rods are opened at the front and rear ends of the outer wall of the mold, and the two limit rods extend to the outside of the workbench and are clamped with the mold.

[0007] In order to facilitate the stretching of round steels of different specifications, as a preferred cold drawing mechanism for round steel production of the utility model, the diameters of the plurality of discharge holes increase sequentially from top to bottom.

[0008] In order to facilitate the second sprocket to drive the two first sprockets through the chain, as a preferred cold drawing mechanism for round steel production of the utility model, the diameter of the second sprocket is greater than the diameter of the first sprocket.

[0009] In order to facilitate the support of the workbench, as a preferred embodiment of the cold drawing mechanism for round steel production of the utility model, legs are arranged at the four corners of the lower end surface of the workbench.

[0010] In order to facilitate the control of the equipment, as a preferred cold drawing mechanism for round steel production of the utility model, the outer wall of the portal frame is provided with a controller, and the servo motor and the electric push rod are both electrically connected to the controller.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] This kind of cold drawing mechanism for round steel production can drive the mold to move up and down through the cooperation of a servo motor, a first sprocket, a second sprocket, a chain, a screw rod, a slider and a mold. The mold can be further limited and fixed through the cooperation of an electric push rod, a slide plate and a limit rod. By opening discharge holes of different specifications on the mold, round steels of different sizes can be produced, which solves the problem of time-consuming and labor-intensive manual replacement of molds by operators when producing round steels of different specifications in the past. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of a cold drawing mechanism for round steel production according to the utility model;

[0014] Figure 2 This is a top cross-sectional view of a cold drawing mechanism for round steel production according to the utility model;

[0015] Figure 3 It is the structural diagram of the mold of the utility model.

[0016] In the figure, 1. workbench; 2. stretching mechanism; 3. portal frame; 4. slide; 5. screw rod; 6. slider; 7. mold; 8. first sprocket; 9. servo motor; 10. second sprocket; 11. mounting cavity; 12. slide plate; 13. electric push rod; 14. limit rod; 15. discharge hole; 16. limit hole; 17. controller. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0019] See also Figure 1-3 A cold drawing mechanism for round steel production includes a workbench 1 and a stretching mechanism 2. A portal frame 3 is arranged inside the workbench 1. Two symmetrically distributed slide grooves 4 are provided on the inner wall of the portal frame 3. Screw rods 5 are rotated inside the two slide grooves 4. Slide blocks 6 are threadedly connected to the outer walls of the two screw rods 5. A mold 7 is fixedly connected between the two slide blocks 6. A plurality of evenly distributed discharge holes 15 are provided in the center of the outer wall of the mold 7. The upper ends of the two screw rods 5 extend to the outside of the portal frame 3 and are fixedly connected to a first sprocket 8. A servo motor 9 is installed on the upper end surface of the portal frame 3. A second sprocket 10 is fixedly connected to the output end of the servo motor 9. The second sprocket 10 is connected to the two first sprockets 8 through a chain transmission.

[0020] In this embodiment: start the servo motor 9, the servo motor 9 drives the second sprocket 10 to rotate, the second sprocket 10 further drives the two first sprockets 8 to rotate synchronously through the chain, and then drives the two screw rods 5 to rotate, the two screw rods 5 further drive the two sliders 6 to move up and down synchronously, and then drives the mold 7 to move up and down, so that the discharge holes 15 of different specifications on the mold 7 are aligned with the stretching mechanism 2, so as to stretch round steels of different specifications, which solves the problem that when round steels of different specifications need to be produced in the past, the operator needs to manually replace the mold 7, which is time-consuming and labor-intensive.

[0021] As a technical optimization scheme of the utility model, an installation cavity 11 is opened inside the workbench 1, and a slide plate 12 is slidably connected inside the installation cavity 11. An electric push rod 13 is installed on the left end face inside the installation cavity 11. The output end of the electric push rod 13 is fixedly connected to the slide plate 12. Two symmetrically distributed limit rods 14 are fixedly connected to the left end face of the slide plate 12. A plurality of limit holes 16 matching the limit rods 14 are opened at the front and rear ends of the outer wall of the mold 7. The two limit rods 14 extend to the outside of the workbench 1 and are clamped with the mold 7.

[0022] In this embodiment: when the mold 7 is moved up and down, the electric push rod 13 is first started, and the electric push rod 13 drives the slide plate 12 to move to the left, and then drives the two limit rods 14 to move to the left, so that the limit rods 14 are separated from the mold 7, and then the servo motor 9 is started to adjust the mold 7. When it is adjusted to a suitable position, the electric push rod 13 is controlled to drive the slide plate 12 to move to the right, and then drives the limit rod 14 to slide to the right, so that the limit rod 14 is re-engaged in the limit hole 16 corresponding to the mold 7, thereby fixing the mold 7.

[0023] As a technical optimization solution of the present invention, the diameters of the plurality of discharge holes 15 increase sequentially from top to bottom.

[0024] In this embodiment, the diameters of the plurality of discharge holes 15 are increased sequentially from top to bottom, thereby facilitating the production of round steels of different specifications.

[0025] As a technical optimization solution of the present invention, the diameter of the second sprocket 10 is greater than the diameter of the first sprocket 8 .

[0026] In this embodiment, by setting the diameter of the second sprocket 10 to be larger than the diameter of the first sprocket 8, the second sprocket 10 can drive the two first sprockets 8 to rotate through the chain, thereby preventing the second sprocket 10 from being separated from the chain.

[0027] As a technical optimization solution of the present invention, legs are provided at the four corners of the lower end surface of the workbench 1.

[0028] In this embodiment, supporting legs are provided at the four corners of the lower end surface of the workbench 1 to facilitate supporting the workbench 1 .

[0029] As a technical optimization solution of the present invention, a controller 17 is provided on the outer wall of the door frame 3 , and the servo motor 9 and the electric push rod 13 are both electrically connected to the controller 17 .

[0030] In this embodiment, the device is controlled by the controller 17, which saves time and effort and improves the degree of automation.

[0031] The working principle and use process of the utility model are as follows: when it is necessary to produce round steels of different specifications, the electric push rod 13 is first started, and the electric push rod 13 drives the slide plate 12 to move to the left, and then drives the two limit rods 14 to move to the left, so that the limit rod 14 is separated from the mold 7, and then the servo motor 9 is started, and the servo motor 9 drives the second sprocket 10 to rotate, and the second sprocket 10 further drives the two first sprockets 8 to rotate synchronously through the chain, and then drives the two screw rods 5 to rotate, and the two screw rods 5 further drive the two sliders 6 to move up and down synchronously, and then drives the mold 7 to move up and down, so that the discharge holes 15 of different specifications on the mold 7 are aligned with the stretching mechanism 2, so as to stretch round steels of different specifications. When adjusted to a suitable position, the electric push rod 13 is controlled to drive the slide plate 12 to move to the right, and then drives the limit rod 14 to slide to the right, so that the limit rod 14 is re-stuck in the limit hole 16 corresponding to the mold 7, thereby fixing the mold 7, solving the problem that when it is necessary to produce round steels of different specifications in the past, the operator needs to manually replace the mold 7, which is time-consuming and laborious.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 present invention.

Claims

1. A cold drawing mechanism for round steel production, comprising a workbench (1) and a stretching mechanism (2), characterized in that: A door frame (3) is arranged inside the workbench (1), and two symmetrically distributed slide grooves (4) are provided on the inner wall of the door frame (3). A screw rod (5) is rotatably arranged inside the two slide grooves (4), and a slider (6) is threadedly connected to the outer wall of the two screw rods (5). A mold (7) is fixedly connected between the two sliders (6), and a plurality of evenly distributed discharge holes (15) are provided in the center of the outer wall of the mold (7). The upper ends of the two screw rods (5) extend to the outside of the door frame (3) and are fixedly connected to a first sprocket (8). A servo motor (9) is installed on the upper end surface of the door frame (3), and a second sprocket (10) is fixedly connected to the output end of the servo motor (9), and the second sprocket (10) is connected to the two first sprockets (8) through a chain transmission.

2. A cold drawing mechanism for round steel production according to claim 1, characterized in that: The workbench (1) is provided with an installation cavity (11) inside, a slide plate (12) is slidably connected inside the installation cavity (11), an electric push rod (13) is installed on the left end surface inside the installation cavity (11), the output end of the electric push rod (13) is fixedly connected to the slide plate (12), and the left end surface of the slide plate (12) is fixedly connected to two symmetrically distributed limit rods (14), and the front and rear ends of the outer wall of the mold (7) are provided with a plurality of limit holes (16) matching the limit rods (14), and the two limit rods (14) extend to the outside of the workbench (1) and are clamped with the mold (7).

3. The cold drawing mechanism for round steel production according to claim 1, characterized in that: The diameters of the plurality of discharge holes (15) increase sequentially from top to bottom.

4. The cold drawing mechanism for round steel production according to claim 1, characterized in that: The diameter of the second sprocket (10) is greater than the diameter of the first sprocket (8).

5. The cold drawing mechanism for round steel production according to claim 1, characterized in that: Support legs are provided at the four corners of the lower end surface of the workbench (1).

6. The cold drawing mechanism for round steel production according to claim 2, characterized in that: A controller (17) is provided on the outer wall of the portal frame (3), and the servo motor (9) and the electric push rod (13) are both electrically connected to the controller (17).

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