CN203917409U - A kind of checkout gear of rolling centerline - Google Patents

Abstract

The utility model relates to rolling mill technical field, proposes a kind of checkout gear of rolling centerline.The checkout gear of the rolling centerline proposing includes mandrel (5), mandrel sleeve (6) is measured axle (2) and measured shaft sleeve (1); Checkout gear also includes to be measured substrate (4) and measures plate (3); Measure substrate (4) and be fixed on the periphery that mandrel stretches out mandrel socket end, measuring substrate (4) be two perpendicular to mandrel (5) setting; Measure substrate (4) and there is the chute (4-4) inserting for measuring plate; Measure plate (3) and be and corresponding measure two that substrate (4) arranges, one end of measuring plate (3) is positioned at that institute is corresponding measures the chute (4-4) that substrate (4) has, and the other end is positioned on the periphery that measurement axle (2) stretches out measurement sleeve (1) one end.The utility model can be simply, easily and fast detection and the side-play amount of quantitative analysis rolling centerline.

Description

A kind of checkout gear of rolling centerline

Technical field

The utility model belongs to rolling mill technical field, is specifically related to a kind of checkout gear of rolling centerline.

Background technology

Rolling centerline refers to the center line that axis that three rolls of in hollow billet operation of rolling roll piercing mill form vestibules and the dead in line of three Centering Roll formation vestibules form; The centering roller device of three-high mill is the device of clamping push rod, is the key device that pipe pierced billet is become to hollow billet, is arranged on the roll piercing mill rear portion of three-high mill; In the process of hollow billet rolling, for ensureing rolling quality, need to ensure the axis of three vestibules that Centering Roll forms and the dead in line of three rolls formation vestibules of roll piercing mill of centering roller device; The rolling centerline of seamless steel pipe is a dummy line, and when rolling, the installation of production equipment, adjustment, replacing are all carried out taking this line as benchmark, and only the rolling centerline on guaranteed foreground, milling train, backstage overlaps, and just can maintain the stable of the operation of rolling; In the operation of rolling of pipe, if the roller central line of three-high mill and Centering Roll center line depart from, the loss of quality, output and equipment on product has impact largely; Existing rolling center line detector has laser detector and by a mode that virtual rolling centerline detects of finer wire pull-out; Use laser aid complex structure and cost higher, cannot measure concrete side-play amount, can not be quantitative remove to adjust Centering Roll; Use virtual wire, although simple in structure, precision is not high, cannot be quantitative remove accurately to adjust Centering Roll.

Utility model content

For solving the problems of the technologies described above, the purpose of this utility model is the checkout gear that proposes a kind of rolling centerline.

The utility model adopts following technical scheme for completing above-mentioned purpose:

A checkout gear for rolling centerline, described checkout gear includes the measurement axle in vestibule between three Centering Rolls that are arranged on mandrel, the mandrel sleeve in vestibule between three rolls of roll piercing mill and are arranged on centering roller device, measures shaft sleeve; Described mandrel is positioned at described mandrel sleeve, and its one end stretches out mandrel sleeve, and described mandrel and described mandrel sleeve coaxially arrange; The dead in line of the axis of described mandrel sleeve and three vestibules that roll forms of roll piercing mill; Described measurement axle is positioned at described measurement shaft sleeve, and its one end stretches out measurement shaft sleeve, and described measurement axle and described measurement shaft sleeve coaxially arrange; The dead in line of three vestibules that Centering Roll forms of the axis of described measurement shaft sleeve and centering roller device; The cylindrical of described measurement shaft sleeve and described mandrel sleeve is concentric circles, and external diameter is identical; Described checkout gear also includes to be measured substrate and measures plate; Described measurement substrate is to be fixed on the periphery that mandrel stretches out mandrel socket end, and described measurement substrate is two that arrange perpendicular to described mandrel, and the intersection point of two described measurement substrates and the center of circle of mandrel overlap; Described measurement substrate has the chute inserting for measuring plate, and has set peep hole on measurement substrate; On described measurement substrate, there is the horizontal scale I of substrate, the horizontal scale II of substrate and the longitudinal scale of substrate; Described measurement plate is two that corresponding described measurement substrate arranges, and one end of described measurement plate is positioned at the chute that institute's corresponding measurement substrate has, and the other end is positioned at described measurement shaft extension and goes out to measure on the periphery of sleeve one end; The intersection point of two described measurement plates overlaps with the center of circle of described measurement axle; On described dip stick, there is the horizontal scale I of dip stick, the horizontal scale II of dip stick and the longitudinal scale of dip stick.

The end face center that described mandrel is positioned at outside mandrel sleeve is fixed with laser beam emitting device, and described measurement Zhou center has the laser pick-off hole in order to coordinate with laser beam emitting device, and described laser pick-off hole is through hole; Described laser beam emitting device on mandrel and measure the above laser pick-off hole of axle and coordinates, in order to detect the axiality of mandrel axis after adjusting and measurement axle axis.

The checkout gear of a kind of rolling centerline the utility model proposes, adopt and measure the structure that substrate coordinates with dip stick, detection that can be simply, easily and fast and the side-play amount of quantitative analysis rolling centerline, handled easily personnel have object to carry out quantitative adjustment according to side-play amount, thus ensured hollow billet rolling accuracy, improved lumber recovery.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the top view of Fig. 1.

Fig. 3 measures the structural representation that substrate is combined with dip stick in the utility model.

Fig. 4 is the structural representation of measuring substrate in the utility model.

Fig. 5 is the structural representation of dip stick in the utility model.

Fig. 6 is the structural representation of mandrel in the utility model.

Fig. 7 is the structural representation of measuring axle in the utility model.

In figure: 1, measure shaft sleeve, 2, measure axle, 2-1, measure axle embed handle, 2-2, measurement face, 3, dip stick, 3-1, the longitudinal scale of dip stick, 3-2, the horizontal scale I of dip stick, 3-3, the horizontal scale II of dip stick, 4, measure substrate, 4-1, the horizontal scale I of substrate, 4-2, the longitudinal scale of substrate, 4-3, the horizontal scale II of substrate, 4-4, chute, 4-5, peep hole, 5, mandrel, 5-1, holding screw, 5-2, fixed head, 6, mandrel sleeve, 7, laser beam emitting device, 8, laser pick-off hole.

Detailed description of the invention

With detailed description of the invention, the utility model is illustrated by reference to the accompanying drawings, but the utility model is not limited to these examples.

As shown in Figure 1, 2, a checkout gear for rolling centerline, described checkout gear includes the measurement axle 2 in vestibule between three Centering Rolls that are arranged on mandrel 5, the mandrel sleeve 6 in vestibule between three rolls of roll piercing mill and are arranged on centering roller device, measures shaft sleeve 1; Described mandrel 5 is positioned at described mandrel sleeve 6, and its one end stretches out mandrel sleeve 6, and described mandrel 2 coaxially arranges with described mandrel sleeve 6; The dead in line of the axis of described mandrel sleeve 6 and three vestibules that roll forms of roll piercing mill; Described measurement axle 2 is positioned at described measurement shaft sleeve 1, and its one end stretches out and measure shaft sleeve 1, and described measurement axle 2 coaxially arranges with described measurement shaft sleeve 1; The dead in line of three vestibules that Centering Roll forms of the axis of described measurement shaft sleeve 2 and centering roller device; The cylindrical of described measurement shaft sleeve 2 is that concentric circles and external diameter are identical with the cylindrical of described mandrel sleeve 6; Described checkout gear also includes to be measured substrate 4 and measures plate 3; In conjunction with Fig. 6, described mandrel stretches out on the periphery of mandrel socket end and has the fixed head 5-2 in order to fixation measuring substrate 4, and described fixed head 5-2 is vertically disposed two; Described measurement substrate 4 is vertically disposed two, and the measurement substrate 4 described in two is fixed by holding screw 5-1 and corresponding fixed head 5-2 respectively; The intersection point of two described measurement substrates 4 overlaps with the center of circle of mandrel 5; In conjunction with Fig. 4, described measurement substrate 4 has the chute 4-4 inserting for measuring plate, and has set peep hole 4-5 on measurement substrate 4; On described measurement substrate 4, there is the horizontal scale I of substrate 4-1, substrate horizontal scale II 4-3 and the longitudinal scale 4-2 of substrate; The corresponding described peep hole 4-5 measuring on substrate of the longitudinal scale 4-2 of the horizontal scale I of described substrate 4-1, substrate horizontal scale II 4-3 and substrate arranges, that is: described substrate horizontal scale I 4-1 and the described horizontal scale II of substrate 4-3 are symmetricly set on the both sides of the above peep hole 4-5 of measurement substrate; The longitudinal scale 4-2 of described substrate arranges perpendicular to the horizontal scale I of substrate 4-1, the horizontal scale II of substrate 4-3; Two of arranging for corresponding described measurement substrate 4 of described measurement plate 3, one end of described measurement plate 3 is positioned at that institute is corresponding measures the chute 4-4 that substrate 4 has, and the other end is positioned on the periphery that described measurement axle 2 stretches out measurement sleeve 1 one end; The intersection point of two described measurement plates 3 overlaps with the center of circle of described measurement axle 2; In conjunction with Fig. 5, on described dip stick 3, there is the horizontal scale I of dip stick 3-2, dip stick horizontal scale II 3-3 and the longitudinal scale 3-1 of dip stick; The horizontal scale I of described dip stick 3-2, dip stick horizontal scale II 3-3 and the longitudinal scale 3-1 of dip stick are corresponding with the peep hole 4-5 on measurement substrate, and the horizontal scale I of described dip stick 3-2 and the horizontal scale I of the substrate 4-1 measuring on substrate are arranged side by side, the horizontal scale II of described dip stick 3-3 and the horizontal scale II of the substrate 4-3 measuring on substrate are arranged side by side, and the longitudinal scale 3-1 of described dip stick and the longitudinal scale 4-2 of substrate measuring on substrate are arranged side by side.

The end face center that described mandrel 5 is positioned at outside mandrel sleeve is fixed with laser beam emitting device 7, and the center of described measurement axle 2 has the laser pick-off hole 8 in order to coordinate with laser beam emitting device; Described laser beam emitting device on mandrel 5 and measure the above laser pick-off hole 8 of axle and coordinate, in order to detecting core shaft axis and the axiality of measuring axle axis.

As shown in Figure 7, described measurement axle 2 includes and measures axle embedding handle 2-1 and the face of measurement 2-2; Described measurement axle embeds handle 2-1 and is positioned at and measures shaft sleeve 1, and with described measurement shaft sleeve 1 tight fit; Described measurement face 2-2 is positioned at the front end of measuring axle embedding handle 2-1, embeds handle 2-1 coaxially arrange with described measurement axle.

Use step of the present utility model is: before use, first measurement axle 2, mandrel 5 are arranged on respectively and measure in shaft sleeve 1, mandrel sleeve 6, be fixed in V-block, utilization makes the light that laser beam emitting device 7 is launched pass laser pick-off hole 8, ensures that the center line of measuring axle 2 and mandrel 5 is on same straight line; One end of dip stick 3 is arranged on and is measured on axle 2, the other end is arranged in the radial direction through hole 9 of measuring substrate 4, regulate dip stick 3 that 0 graduation mark of the horizontal scale I of the dip stick 3-2 on dip stick 3 is overlapped with 0 graduation mark of the horizontal scale I of substrate 4-1,0 graduation mark of the horizontal scale II of dip stick 3-3 overlaps with the horizontal scale II of substrate 4-3 graduation mark, and 0 graduation mark of the longitudinal scale 3-1 of dip stick overlaps with 0 graduation mark of the longitudinal scale 4-2 of substrate.

The measurement axle 2 of adjusting is arranged on to be measured in shaft sleeve 1, and steps up to be fixed in the middle of three Centering Rolls of centering roller device, and mandrel 5 is arranged in mandrel sleeve 6, steps up to be fixed in the middle of three rolls of three-high mill; Dip stick 3 is inserted and measured in substrate 4; When the graduation mark of the horizontal scale I of the dip stick on dip stick 3-2, dip stick horizontal scale II 3-3 and the longitudinal scale 3-1 of dip stick respectively with the horizontal scale I of substrate 4-1, the horizontal scale II of substrate 4-3 on corresponding measurement substrate 4, the longitudinal scale 4-2 of substrate one by one at once, illustrate that rolling centerline is without skew; In the time thering is difference between corresponding scale on the corresponding measurement substrate 4 of the some scales on dip stick and institute, adjust the position of Centering Roll according to difference, make rolling centerline without skew; When adjustment, first adjust the left and right directions of Centering Roll, then adjust the above-below direction of Centering Roll.

Claims (2)

1. a checkout gear for rolling centerline, is characterized in that: described checkout gear includes the measurement axle (2) in vestibule between three Centering Rolls that are arranged on the mandrel (5) in vestibule, mandrel sleeve (6) between three rolls of roll piercing mill and are arranged on centering roller device, measures shaft sleeve (1); Described mandrel (5) is positioned at described mandrel sleeve (6), and its one end stretches out mandrel sleeve (6), and described mandrel (2) coaxially arranges with described mandrel sleeve (6); The dead in line of the axis of described mandrel sleeve (6) and three vestibules that roll forms of roll piercing mill; Described measurement axle (2) is positioned at described measurement shaft sleeve (1), and its one end stretches out and measure shaft sleeve (1), and described measurement axle (2) coaxially arranges with described measurement shaft sleeve (1); The dead in line of the axis of described measurement shaft sleeve (2) and three vestibules that Centering Roll forms of centering roller device; The cylindrical of the cylindrical of described measurement shaft sleeve (2) and described mandrel sleeve (6) is concentric circles, and external diameter is identical; Described checkout gear also includes to be measured substrate (4) and measures plate (3); Described measurement substrate (4) is fixed on the periphery that mandrel stretches out mandrel socket end, and described measurement substrate (4) is two that arrange perpendicular to described mandrel (5), and the intersection point of two described measurement substrates (4) overlaps with the center of circle of mandrel (5); Described measurement substrate (4) has the chute (4-4) inserting for measuring plate, and has set peep hole (4-5) on measurement substrate (4); On described measurement substrate (4), there is the horizontal scale I of substrate (4-1), the horizontal scale II of substrate (4-3) and the longitudinal scale of substrate (4-2); Described measurement plate (3) is two that corresponding described measurement substrate (4) arranges, one end of described measurement plate (3) be positioned at corresponding measure the chute (4-4) that substrate (4) has, the other end is positioned at described measurement axle (2) and stretches out on the periphery of measuring sleeve (1) one end; The intersection point of two described measurement plates (3) overlaps with the center of circle of described measurement axle (2); On described dip stick (3), there is the horizontal scale I of dip stick (3-2), the horizontal scale II of dip stick (3-3) and the longitudinal scale of dip stick (3-1).

2. the checkout gear of a kind of rolling centerline according to claim 1, it is characterized in that: the end face center that described mandrel (5) is positioned at outside mandrel sleeve is fixed with laser beam emitting device (7), the center of described measurement axle (2) has the laser pick-off hole (8) in order to coordinate with laser beam emitting device.