A short stress line rolling mill adjustment device for installing double guides

Abstract

A short-stress line rolling mill adjustment device for installing dual guides includes a guide frame, a mother screw, a daughter screw, a slider block, and a slider. The mother screw and the daughter screw form a screw assembly, and the thread distance and size of the mother screw and the daughter screw are completely consistent. One end of the mother screw is squared to form a mother square head to facilitate the rotation of the mother screw with a wrench. The center of the square head is pulled out to form a central through hole. One end of the daughter screw is stretched to form a cylindrical smooth surface 30 to 50 mm longer than the total length of the mother screw. The size of the cylindrical smooth surface maintains an H / d-level clearance match with the size of the mother screw center through hole. The 30 to 50 mm behind the end of the daughter screw is squared to form a daughter square head. The present invention can achieve the purpose of installing two sets of guides on a rolling mill, installing two sets of hole profiles on the same rolling mill, and conveniently changing hole profiles and grooves, and adjusting each guide.

Description

Technical Field

[0001] The invention belongs to the technical field of metal pressure processing equipment and is a short stress line rolling mill adjustment device which can be installed with double guides and is used in steel rolling mills. Background Art

[0002] Currently, short-stress rolling mills in typical steel mills can only be equipped with one set of guides. However, in actual production, the mill often uses a variety of pass profiles during the same run, necessitating the mill's replacement when specifications are changed. If multiple sets of guides are forcibly installed, the guides cannot be adjusted individually, nor can they be aligned.

[0003] If two different sets of guides can be installed on one set of rolling mills, and each set of guides can be adjusted individually, the number of roll and groove changes can be reduced, the mill operating rate can be improved, capital occupation can be reduced, and on-site labor intensity can be alleviated. Summary of the Invention

[0004] The present invention aims to provide a short stress line rolling mill adjustment mechanism rod capable of installing double guides, so as to realize installation of two sets of guides on one rolling mill, and each set of guides can be individually displaced and adjusted to align with the corresponding hole center line.

[0005] Technical solution of the present invention:

[0006] A short-stress line rolling mill adjustment device for installing dual guides comprises a guide frame, a mother screw, a daughter screw, a slider block, and a slider. The mother screw and daughter screw form a screw assembly, with the thread distance and dimensions of the mother and daughter screw surfaces being identical. One end of the mother screw is squared to form a mother square head, facilitating rotation of the mother screw with a wrench, with a center hole formed in the center of the square head. One end of the daughter screw is stretched to form a cylindrical surface 30 to 50 mm longer than the total length of the mother screw, with the cylindrical surface dimension maintaining an H / d-level clearance fit with the center hole of the mother screw. A daughter square head is formed 30 to 50 mm behind the daughter screw end. A set of square sliders is mounted on each of the mother and daughter screw surfaces. When the mother or daughter screw is rotated, the square sliders are restrained from rotating with the mother or daughter screw, resulting in lateral movement. Because the mother or daughter screws can rotate independently without interfering with each other, the guides mounted on either the mother or daughter screw can move independently without interfering with the other.

[0007] The beneficial effects of the present invention are as follows: the device of the present invention can realize the installation of two sets of guides on the crossbeam, and the guides can be adjusted without interfering with each other, so that two sets of guides can be installed on one rolling mill, and two sets of hole types can be installed on the same rolling mill, so that the hole type and slot can be changed conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the structure of the adjustment device of the present invention.

[0009] Figure 2This is a schematic diagram of the guide frame structure.

[0010] Figure 3 This is a schematic diagram of the female screw rod structure.

[0011] Figure 4 Schematic diagram of the sub-screw rod structure.

[0012] Figure 5 Schematic diagram of the slider baffle structure.

[0013] Figure 6 Schematic diagram of the slider structure.

[0014] Figure 7 This is a schematic diagram of the guide assembly.

[0015] Figure 8 This is a schematic diagram of the structure after the adjustment device of the present invention is installed with double guides.

[0016] In the figure: 1. Guide, 2. Guide frame, 3. Mother screw, 4. Screw, 5. Slider block, 6. Slider, 7. Guide assembly cavity, 8. Fastening bolt hole, 9. Guide assembly fixing bolt, 10. Guide body, 11. Moving hole, 12. Slider block mounting hole, 13. Beam surface, 14. Screw thrust plate, 15. Mother screw thread surface, 16. Mother square head, 17. Mother screw center hole, 18. Screw adjustment surface, 19. Cylindrical smooth surface, 20. Screw thread surface. DETAILED DESCRIPTION

[0017] The following is further described with reference to the embodiments of the accompanying drawings.

[0018] Figures 1 to 6 The figure shows a short-stress line rolling mill adjustment device capable of installing dual guides, comprising a guide frame 2, a mother screw 3, a daughter screw 4, a slider block 5, and a slider 6. The mother screw 3 and daughter screw 4 form a screw assembly, with the thread distance and dimensions of the mother screw 3 and daughter screw 4 being identical. One end of the mother screw 3 is squared to form a mother square head 16, facilitating rotation of the mother screw 3 with a wrench. The center of the mother square head 16 is drawn out to form a central through-hole 17. One end of the daughter screw 4 is stretched to form a cylindrical smooth surface 19 30 to 50 mm longer than the total length of the mother screw. The dimensions of the cylindrical smooth surface 19 maintain an H / d clearance fit with the center through-hole 17 of the mother adjustment screw. A square head 18 is formed 30 to 50 mm behind the end of the daughter screw 4 to facilitate rotation of the daughter adjustment screw. A set of square sliders 6 are installed on the thread surfaces of each of the mother screw 3 and daughter screw 4.

[0019] Figure 7 、 Figure 8As shown, the installation and use method of the adjustment device of the present invention is as follows: a set of guide assemblies are installed on the thread surface 15 of the mother screw and the thread surface 20 of the sub-screw, the cavity 7 of the guide assembly is square, and a slider 6 is installed. The slider 6 is square and matches the cavity 7 of the guide assembly. After installation, the slider pressure block Figure 5 is installed on the assembly end face of the cavity 7 of the guide assembly, and the fastening bolts are installed in the fastening bolt holes 8 for fixing. The internal thread of the slider 6 is consistent with the nominal size, rotation direction and pitch of the external thread of the thread surface of the mother screw 3 and the sub-screw 4. When the mother screw 3 or the sub-screw 4 is rotated, the slider 6 is square and is restricted by the square cavity 7 of the guide assembly and cannot rotate with the screw, so it is pushed by the screw to move laterally. When moving laterally, it is blocked by the slider pressure block 5 and the end face of the guide assembly, thereby driving the guide assembly to move. A set of guide assemblies is installed on each of the mother screw rod 3 and the daughter screw rod 4. Since the mother screw rod 3 and the daughter screw rod 4 can rotate relative to each other independently without interfering with each other, the guide assemblies installed on the mother screw rod 3 and the daughter screw rod 4 can achieve relative lateral movement without interfering with each other, thereby realizing the installation of two sets of guides on a short stress line rolling mill, and both sets of guides can move independently on the guide frame 2 without interfering with each other.

Claims

1. A short stress line rolling mill adjustment device for installing double guides, characterized by: It includes a guide frame, a mother screw rod, a sub-screw rod, a slider block, and a slider. The mother screw rod and the sub-screw rod form a screw rod group, and the thread distance and size of the mother screw rod and the sub-screw rod are completely consistent; one end of the mother screw rod is squared to make a mother square head to facilitate the rotation of the mother screw rod with a wrench, and a center through hole is drawn out from the center of the square head; one end of the sub-screw rod is stretched to form a cylindrical smooth surface 30 to 50 mm longer than the total length of the mother screw rod, and the size of the cylindrical smooth surface maintains an H / d grade clearance match with the size of the center through hole of the mother screw rod; a sub-square head is made 30 to 50 mm behind the end of the sub-screw rod; a group of square sliders are respectively installed on the thread surfaces of the mother screw rod and the sub-screw rod, and the sliders are matched with the guide assembly cavity.

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