Three-roller guide rack positioning device

Abstract

The utility model relates to the technical field of auxiliary equipment for production of a three-roller pipe mill, in particular to a positioning device for a three-roller guide rack, which is characterized in that the angle of a positioning plate is firstly adjusted, and then a second screw hole and a third screw hole are fixedly connected through a bolt for fixing a positioning position; then an adjusting groove is fixedly connected with a first screw hole through a bolt, so that a positioning plate is further fixed, then an adjusting screw rod is rotated by adjusting a rotating hand wheel, so that an adjusting plate is adjusted in the vertical direction, and then a connecting piece is fixedly connected with the adjusting plate and the positioning plate; by means of the structural design, it is guaranteed that the center of the three-roller guide rack cannot deviate in the production process, and the wall deviation phenomenon of a steel pipe is avoided. And the inner surface quality and the wall thickness precision of the gas cylinder pipe can be improved, and production of ultimate thin-wall wear-resistant pipes is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the auxiliary equipment of three roll tube mill production, specifically is a three roll guide frame positioning device. BACKGROUND

[0002] Three roll guide frame is the important equipment in the machine set of piercing mill, and it plays the role of fixing the top rod in the piercing process of the billet, and guarantees the position accuracy in the piercing process of the top rod. Because the number of revolutions of the top rod in the piercing process is as high as 470r / min to 580r / min, and it is subjected to the great reaction force of the piercing roll. The three roll guide frame is prone to shaking. Ultimately, the pierced shell pipe appears the wall deviation phenomenon, and the shell pipe with serious wall deviation cannot be corrected after the continuous rolling machine set, and ultimately causes the wall deviation of the finished steel pipe. The original three roll guide frame is fixed by the combination of bolts and inclined blocks. Because the stress and vibration are large, the damage is frequent, and it seriously affects the production rhythm and product quality. SUMMARY

[0003] The utility model aims at providing a three roll guide frame positioning device to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a three roll guide frame positioning device, including installation bottom plate, side plate, positioning plate, connecting frame and adjusting plate, the side of installation bottom plate is provided with side plate, the surface both sides of side plate are connected with adjusting screw rod through thread sleeve, the adjusting screw rod, one end of adjusting screw rod is connected with hand wheel, the both sides of top of installation bottom plate are provided with connecting groove, the bottom of inner chamber of connecting groove evenly is provided with a plurality of first screw holes, the middle of top of installation bottom plate is provided with positioning groove, the positioning groove is inlayed and is connected with positioning plate, the both sides of top of positioning plate are provided with adjusting groove, the middle of top of positioning plate is provided with a plurality of second screw holes, the top of positioning plate is provided with support foot, the top end of support foot is connected with connecting frame, the side of connecting frame is provided with adjusting plate, the back of adjusting plate is connected with adjusting screw rod through bearing.

[0005] Preferably, the adjusting groove and the first screw hole are fixedly connected through a bolt.

[0006] Preferably, the top side of the positioning groove is evenly provided with a plurality of third screw holes, and the second screw hole and the third screw hole are fixedly connected through a bolt.

[0007] Preferably, the adjusting plate and the positioning plate are connected through a connecting piece, and the connecting piece is fixedly connected with the adjusting plate and the positioning plate through a bolt.

[0008] Preferably, the bottom of the positioning plate is provided with a positioning block, and the positioning block is inlayed and connected with the positioning groove.

[0009] Compared with the prior art, the utility model has the advantages that: the utility model first adjusts the angle of the positioning plate, then the second screw hole and the third screw hole are fixedly connected through the bolt, are used for fixing the position of positioning, then the adjusting groove and the first screw hole are fixedly connected through the bolt, so that the positioning plate is further fixed, then the adjusting screw is rotated through the adjusting rotating hand wheel, so that the adjusting plate is adjusted in the vertical direction, then the connecting piece is fixedly connected with the adjusting plate and the positioning plate, and is fixedly connected through the bolt, so that the structure design guarantees that the three-roller guide rack does not produce the center deviation phenomenon in the production process, avoids the wall deviation phenomenon of the steel pipe. It can improve the quality of the inner surface of the gas cylinder pipe and the wall thickness precision, is helpful for the production of limit thin-wall wear-resistant pipe, avoids the long-time shutdown accident caused by the fault of the connecting position in the production process, and avoids the early damage phenomenon of the three-roller guide rack. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0011] Fig. 2 It is the positioning plate structure schematic diagram of the utility model;

[0012] Fig. 3 It is the positioning groove structure schematic diagram of the utility model.

[0013] In the drawing: 1, installation bottom plate, 2, side plate, 3, positioning plate, 4, connecting rack, 5, adjusting plate, 6, adjusting screw, 7, rotating hand wheel, 8, connecting groove, 9, first screw hole, 10, adjusting groove, 11, bolt, 12, connecting piece, 13, second screw hole, 14, supporting foot, 15, positioning groove, 16, third screw hole. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0015] In the description of the utility model, it should be explained that the orientation or position relation indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is the orientation or position relation based on the shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, so it can not be understood as the limitation of the utility model.

[0016] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the intermediate medium indirectly connect, can be two element inside intercommunication. For ordinary skilled in the art, can understand the concrete meaning of the above-mentioned term in the utility model according to specific circumstances.

[0017] Please refer to Figs. 1-3 The utility model provides a technical scheme: a three roll guide frame positioning device, including installation base plate 1, side plate 2, positioning plate 3, connecting frame 4 and adjusting plate 5, installation base plate 1 side is provided with side plate 2, and the surface both sides of side plate 2 are connected with adjusting screw rod 6 through thread sleeve, adjusting screw rod 6, one end of adjusting screw rod 6 is connected with hand wheel 7, and the both sides of the top of installation base plate 1 are provided with connecting groove 8, a plurality of first screw holes 9 are evenly arranged in the inner cavity bottom of connecting groove 8, the middle of the top of installation base plate 1 is provided with positioning groove 15, and positioning plate 3 is inlaidly connected in positioning groove 15, the both sides of the top of positioning plate 3 are provided with adjusting groove 10, a plurality of second screw holes 13 are arranged in the middle of the top of positioning plate 3, the top of positioning plate 3 is provided with support leg 14, support leg 14 top end is connected with connecting frame 4, and the side of connecting frame 4 is provided with adjusting plate 5, and adjusting plate 5 back is connected with adjusting screw rod 6 through bearing.

[0018] Further, adjusting groove 10 and first screw hole 9 are fixedly connected through bolt 11.

[0019] Further, the top side of positioning groove 15 is evenly provided with a plurality of third screw holes 16, and second screw hole 13 and third screw hole 16 are fixedly connected through bolt 11.

[0020] Further, adjusting plate 5 and positioning plate 3 are connected through connecting piece 12, and connecting piece 12 is fixedly connected with adjusting plate 5 and positioning plate 3 through bolt.

[0021] Further, the bottom of positioning plate 3 is provided with positioning block, wherein the positioning block is inlaidly connected with positioning groove 15.

[0022] The utility model discloses a first adjust the angle of positioning plate 3, then the second screw hole 13 and third screw hole 16 are fixedly connected through bolt 11, are used for fixing the position of positioning, then again through the fixed connection of adjusting groove 10 and first screw hole 9 through bolt 11, to this further fixed positioning plate, then again through the adjustment of rotating hand wheel 7, the rotation of adjusting screw rod 6 is carried out, to this adjustment adjusting plate 5 vertical direction adjustment, then through the fixed connection of connecting piece 12 and adjusting plate 5 and positioning plate 3, and through bolt 11 fixed connection, then through the structure design of above, guarantee the three -roller guide frame of production process to not produce center deviation phenomenon, avoid the wall phenomenon of steel pipe to appear to deviate, can improve the quality of gas cylinder pipe inner surface and wall thickness precision, help limit thin -walled wear -resistant pipe production. Avoid the long time shutdown accident of failure of coupling position in the production process. Avoid the phenomenon of early damage of three -roller guide frame.

[0023] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A three-roll guide frame positioning device, comprising a mounting base plate (1), a side plate (2), a positioning plate (3), a connecting frame (4) and an adjusting plate (5), characterized in that: The both sides of the surface of the side plate (2) are connected with the adjusting screw rod (6) through the threaded sleeve, one end of the adjusting screw rod (6) is connected with the rotating hand wheel (7), the top of the installation base plate (1) is provided with the connecting groove (8), the inner cavity of the connecting groove (8) is evenly provided with the first screw hole (9), the top of the installation base plate (1) is provided with the positioning groove (15), the positioning groove (15) is embeddedly connected with the positioning plate (3), the both sides of the top of the positioning plate (3) are provided with the adjusting groove (10), the top of the positioning plate (3) is provided with the second screw hole (13), the top of the positioning plate (3) is provided with the supporting leg (14), the supporting leg (14) is connected with the connecting rack (4), the side of the connecting rack (4) is provided with the adjusting plate (5), the back of the adjusting plate (5) is connected with the adjusting screw rod (6) through the bearing.

2. A three-roll guide frame positioning device according to claim 1, characterized in that: The adjusting groove (10) and the first screw hole (9) are fixedly connected through the bolt (11).

3. A three-roll guide frame positioning device according to claim 1, wherein: The top of the positioning groove (15) is evenly provided with the third screw hole (16), the second screw hole (13) and the third screw hole (16) are fixedly connected through the bolt (11).

4. A three-roll guide frame positioning device according to claim 1, wherein: The adjusting plate (5) and the positioning plate (3) are connected through the connecting sheet (12), and the connecting sheet (12) is fixedly connected with the adjusting plate (5) and the positioning plate (3) through the bolt.

5. A three-roll guide frame positioning device according to claim 1, wherein: The bottom of the positioning plate (3) is provided with the positioning block, and the positioning block is embeddedly connected with the positioning groove (15).

Images