CN215785693U

CN215785693U - Rolling mill

Info

Publication number: CN215785693U
Application number: CN202121841465.1U
Authority: CN
Inventors: 吴景坚
Original assignee: Jiangmen Jianghai Fangyuantong Sheet Metal Products Co ltd
Current assignee: Jiangmen Jianghai Fangyuantong Sheet Metal Products Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-11
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a rolling mill, which comprises a frame; the supporting plates are oppositely arranged on two sides of the rack, two parallel fixed rollers are arranged between the two supporting plates, two ends of each fixed roller are movably clamped on the two supporting plates respectively, sliding grooves are vertically formed in the supporting plates, the sliding grooves are located between the two fixed rollers, sliding blocks are arranged in the sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves; the movable roller is parallel to the fixed roller, and two ends of the movable roller are respectively clamped in the sliding blocks and can rotate around the axis of the movable roller; the adjusting device comprises a screw rod and a power device, the screw rod is in threaded connection with the support plate and is parallel to the sliding groove, the lower end of the screw rod is connected with the sliding block, and the power device is in transmission connection with the upper end of the screw rod so as to drive the screw rod to rotate; the first driving device is in transmission connection with one end of the fixed roller so as to drive the fixed roller to rotate around the axis of the fixed roller; the rolling mill can improve the adjustment precision of the roller spacing and can also improve the adjustment efficiency.

Description

Rolling mill

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a rolling mill.

Background

The rolling mill is a device for realizing the metal rolling process, and the rolling mill adapts to metals with different thicknesses by adjusting the distance between rollers and rolls the metal with the target thickness. The common rolling mill manually adjusts the roller spacing, and has low adjustment precision and low efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a rolling mill which can improve the adjustment precision of the roller spacing and can also improve the adjustment efficiency.

A rolling mill according to an embodiment of the present invention includes: a frame; the two support plates are oppositely arranged on two sides of the rack, two parallel fixed rollers are arranged between the two support plates, two ends of each fixed roller are respectively and movably clamped on the two support plates, sliding grooves are vertically formed in the support plates, the sliding grooves are located between the two fixed rollers, sliding blocks are arranged in the sliding grooves, and the sliding blocks are connected with the sliding grooves in a sliding mode so as to move along the stroke direction of the sliding grooves; the movable roller is parallel to the fixed roller, and two ends of the movable roller are respectively clamped in the sliding blocks and can rotate around the axis of the movable roller; the adjusting device comprises a screw rod and a power device, the screw rod is in threaded connection with the support plate and is parallel to the sliding groove, the lower end of the screw rod is connected with the sliding block, and the power device is in transmission connection with the upper end of the screw rod so as to drive the screw rod to rotate; the first driving device is in transmission connection with one end of the fixed roller so as to drive the fixed roller to rotate around the axis of the fixed roller.

The rolling mill according to the embodiment of the utility model has at least the following technical effects: the position height of the fixed roller is fixed, the power device drives the screw rod to drive the sliding block to move so as to adjust the position height of the movable roller, namely, the distance between the movable roller and the fixed roller is adjusted, and the automatic adjustment efficiency is high; the screw rod is used as a transmission piece, and the movement amount of the movable roller can be accurately controlled by utilizing the characteristics of the screw rod, so that the precision of adjusting the distance is improved.

In some embodiments of the present invention, the support plate is further provided with a power-assisted rod and a second driving device, the power-assisted rod is parallel to the screw rod, one end of the power-assisted rod is connected to the slider, and the other end of the power-assisted rod is connected to the second driving device, so as to drive the power-assisted rod to move along the axial direction of the screw rod.

In some embodiments of the utility model, the second drive means is a hydraulic cylinder.

In some embodiments of the present invention, a pressure strain gauge is further disposed between the horizontal contact surfaces of the slider and the lead screw.

In some embodiments of the present invention, the upper end of the sliding block is provided with a connecting hole, the side surface of the sliding block is provided with a pin hole, the pin hole is perpendicular to the connecting hole and is communicated with the connecting hole, a bayonet lock is inserted into the pin hole, the lower part of the screw rod is provided with a circumferential annular groove, the screw rod is inserted into the connecting hole, and the bayonet lock is clamped in the annular groove.

In some embodiments of the utility model, a threaded sleeve is vertically arranged at the upper end of the support plate, the threaded sleeve is fixedly connected with the support plate, and the screw rod is inserted into the threaded sleeve and is in threaded connection with the threaded sleeve.

In some embodiments of the present invention, the support plate is divided into an upper half and a lower half, the upper half and the lower half divide the sliding groove into two parts, and the upper half and the lower half are connected by a bolt.

In some embodiments of the present invention, the surface of the movable roller is provided with a plurality of ribs, and the ribs are parallel to the axis of the movable roller and are uniformly distributed at intervals along the circumferential direction of the movable roller.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of an embodiment of the present invention;

FIG. 3 is a schematic view of a connection structure of a screw rod and a slide block according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the movable roller provided with ribs according to the embodiment of the utility model.

Reference numerals:

the device comprises a frame 100, a support plate 200, an upper half 201, a lower half 202, a fixed roller 210, a sliding groove 220, a sliding block 230, a connecting hole 231, a pin hole 232, a bayonet 233, a boosting rod 240, a second driving device 250, a threaded sleeve 260, a movable roller 300, a convex rib 310, a screw rod 410, an annular groove 411, a power device 420 and a first driving device 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a rolling mill according to an embodiment of the present invention includes: a frame 100; the two supporting plates 200 are oppositely arranged on two sides of the rack 100, two parallel fixed rollers 210 are arranged between the two supporting plates 200, two ends of each fixed roller 210 are movably clamped on the two supporting plates 200 respectively, a sliding groove 220 is vertically formed in each supporting plate 200, each sliding groove 220 is located between the two fixed rollers 210, a sliding block 230 is arranged in each sliding groove 220, and each sliding block 230 is connected with each sliding groove 220 in a sliding mode so as to move along the stroke direction of each sliding groove 220; the movable roller 300 is parallel to the fixed roller 210, and two ends of the movable roller 300 are respectively clamped in the sliders 230 and can rotate around the axis of the movable roller 300; the adjusting device comprises a screw rod 410 and a power device 420, the screw rod 410 is in threaded connection with the support plate 200 and is parallel to the sliding groove 220, the lower end of the screw rod 410 is connected with the sliding block 230, and the power device 420 is in transmission connection with the upper end of the screw rod 410 so as to drive the screw rod 410 to rotate; the first driving device 500 is in transmission connection with one end of the fixed roller 210, so as to drive the fixed roller 210 to rotate around the axis of the fixed roller 210.

And adjusting the distance between the rollers before rolling metal. The power device 420 drives the screw rod 410 to rotate, the screw rod 410 is in threaded connection with the support plates 200, the screw rod 410 drives the sliders 230 connected at the lower ends to move together, and when the sliders 230 on the two support plates 200 move synchronously, the position height of the movable roller 300 can be adjusted, so that the distance between the movable roller 300 and the fixed roller 210 can be adjusted. In the rolling, the first driving device 500 drives the fixed rolls 210 to rotate so that the metal can move between the movable rolls 300 and the fixed rolls 210 for rolling. The two parallel fixed rolls 210 can provide more rolling power and simultaneously enable the metal to be smoothly driven during rolling.

Referring to fig. 2, in some embodiments of the present invention, the support plate 200 is further provided with a boosting rod 240 and a second driving device 250, the boosting rod 240 is parallel to the screw rod 410, one end of the boosting rod 240 is connected to the slider 230, and the other end of the boosting rod is connected to the second driving device 250, so as to drive the boosting rod 240 to move along the axial direction of the screw rod 410.

The second driving device 250 can drive the assistant rod 240 to move toward the slider 230, and the assistant rod 240 is connected to the slider 230 to provide an assistant pressure to the slider 230. During rolling, the acting force of the metal on the movable roller 300 is transmitted to the screw rod 410 through the slider 230, and under the condition that the acting force of the metal on the movable roller 300 is not changed, the assisting rod 240 provides assisting pressure for the slider 230, so that the force transmitted from the slider 230 to the screw rod 410 is reduced, and the larger the assisting pressure provided by the assisting rod 240 for the slider 230 is, the smaller the acting force of the slider 230 on the screw rod 410 is. The stress of the screw rod 410 is reduced, so that the thread deformation of the screw rod 410 can be avoided, the transmission precision of the screw rod 410 is maintained, and the service life is prolonged.

In some embodiments of the present invention, the second drive means 250 is a hydraulic cylinder.

The hydraulic cylinder is used as the second driving device 250 to provide driving force to the assist lever 240, the structure is simple and easy to adjust, and the driving force that can be generated by hydraulic pressure is large.

In some embodiments of the present invention, a pressure strain gauge is further disposed between the horizontal contact surfaces of the slider 230 and the lead screw 410.

During rolling, the acting force borne by the movable roller 300 is transmitted to the sliding block 230, and then is transmitted to the screw rod 410 through the horizontal contact surface of the sliding block 230 and the screw rod 410, and the pressure strain gauge is arranged on the horizontal contact surface of the sliding block 230 and the screw rod 410, so that the acting force transmitted by the sliding block 230 to the screw rod 410 can be known in real time, the auxiliary pressure provided by the adjusting assisting rod 240 to the sliding block 230 can be accurately calculated, the acting force of the movable roller 300 to the sliding block 230 and the auxiliary pressure are mutually offset, and the acting force of the sliding block 230 to the screw rod 410 is reduced.

Referring to fig. 3, in some embodiments of the present invention, the upper end of the slider 230 is provided with a connection hole 231, the side surface is provided with a pin hole 232, the pin hole 232 is perpendicular to the connection hole 231 and is communicated with the connection hole 231, a pin 233 is inserted into the pin hole 232, the lower portion of the lead screw 410 is provided with a circumferential annular groove 411, the lead screw 410 is inserted into the connection hole 231, and the pin 231 is clamped in the annular groove 411.

When the screw 410 is installed on the slider 230, one end of the screw 410, which is provided with the annular groove 411, is inserted into the connecting hole 231, and then the bayonet 231 is inserted into the pin hole 232 from the side surface of the slider 230, passes through the connecting hole 231 and is clamped in the annular groove 411, so that the screw 410 is limited and cannot be pulled out, and can rotate around the axis of the screw.

In some embodiments of the present invention, a threaded sleeve 260 is vertically disposed at the upper end of the support plate 200, the threaded sleeve 260 is fixedly connected to the support plate 200, and the lead screw 410 is inserted into the threaded sleeve 260 and is in threaded connection with the threaded sleeve 260.

Set up threaded sleeve 260, carry out screw thread transmission between lead screw 410 and the threaded sleeve 260, for guaranteeing transmission quality and dispersion single-turn screw atress, the length of threaded sleeve 260 can the adaptability extension change, if lead screw 410 with the extension board 200 upper end direct thread transmission, then need thicken the thickness of extension board 200 upper end, can lead to equipment weight and cost-push.

In some embodiments of the present invention, the fulcrum plate 200 is divided into an upper half 201 and a lower half 202, the upper half 201 and the lower half 202 divide the sliding groove 220 into two parts, and the upper half 201 and the lower half 202 are connected by bolts.

The brackets 200 can be disassembled and separated by using the bolt connection between the upper half 201 and the lower half 202, and the disassembling brackets 200 can open the chute 220 so as to remove the movable roller 300 from the chute 220 and replace the movable roller 300.

Referring to fig. 4, in some embodiments of the present invention, the surface of the movable roller 300 is provided with a plurality of ribs 310, and the ribs 310 are parallel to the axis of the movable roller 300 and are uniformly spaced along the circumference of the movable roller 300.

The surface of the movable roller 300 is provided with a convex rib 310, so that metal surface knurling can be performed according to the process requirement while metal is rolled.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A rolling mill, comprising:

a frame (100);

the supporting plates (200) are oppositely arranged on two sides of the rack (100), two parallel fixed rollers (210) are arranged between the two supporting plates (200), two ends of each fixed roller (210) are movably clamped on the two supporting plates (200) respectively, a sliding groove (220) is vertically formed in each supporting plate (200), the sliding groove (220) is located between the two fixed rollers (210), a sliding block (230) is arranged in each sliding groove (220), and each sliding block (230) is connected with the corresponding sliding groove (220) in a sliding mode so as to move along the stroke direction of each sliding groove (220);

the movable roller (300) is parallel to the fixed roller (210), and two ends of the movable roller (300) are respectively clamped in the sliding blocks (230) and can rotate around the axis of the movable roller (300);

the adjusting device comprises a screw rod (410) and a power device (420), the screw rod (410) is in threaded connection with the support plate (200) and is parallel to the sliding groove (220), the lower end of the screw rod (410) is connected with the sliding block (230), and the power device (420) is in transmission connection with the upper end of the screw rod (410) to drive the screw rod (410) to rotate;

the first driving device (500) is in transmission connection with one end of the fixed roller (210) so as to drive the fixed roller (210) to rotate around the axis of the fixed roller (210).

2. The rolling mill according to claim 1, characterized in that a booster rod (240) and a second driving device (250) are further arranged on the support plate (200), the booster rod (240) is arranged in parallel with the screw rod (410), one end of the booster rod is connected with the sliding block (230), and the other end of the booster rod is connected with the second driving device (250) so as to drive the booster rod (240) to move along the axial direction of the screw rod (410).

3. The rolling mill according to claim 2, characterized in that said second driving means (250) are hydraulic cylinders.

4. The rolling mill according to claim 2, characterized in that a pressure strain gauge is also provided between the horizontal contact surfaces of the slider (230) and the screw (410).

5. The rolling mill according to claim 1, characterized in that the upper end of the sliding block (230) is provided with a connecting hole (231), the side surface of the sliding block is provided with a pin hole (232), the pin hole (232) is perpendicular to the connecting hole (231) and is communicated with the connecting hole (231), a bayonet (233) is inserted into the pin hole (232), the lower part of the screw rod (410) is provided with a circumferential annular groove (411), the screw rod (410) is inserted into the connecting hole (231), and the bayonet (233) is clamped in the annular groove (411).

6. The rolling mill according to claim 1, characterized in that a threaded sleeve (260) is vertically arranged at the upper end of the support plate (200), the threaded sleeve (260) is fixedly connected with the support plate (200), and the screw rod (410) is inserted into the threaded sleeve (260) and is in threaded connection with the threaded sleeve (260).

7. The rolling mill according to claim 1, characterized in that the strip (200) is divided into an upper half (201) and a lower half (202), the upper half (201) and the lower half (202) dividing the runner (220) into two parts, the upper half (201) and the lower half (202) being connected by means of bolts.

8. The rolling mill according to claim 1, characterized in that the surface of said movable roll (300) is provided with a plurality of ribs (310), said ribs (310) being parallel to the axis of said movable roll (300) and uniformly spaced along the circumference of said movable roll (300).