Tension mechanism of slitting machine

Abstract

The utility model discloses a tension mechanism of a slitting machine in the field of metal slitting equipment, which comprises a first tension roller, a large compression roller and a second tension roller, the first tension roller is symmetrically arranged front and back, the large compression roller and the second tension roller are symmetrically arranged up and down, the first tension roller is mounted on a base, and the large compression roller and the second tension roller are mounted on a support. The second tension rollers are arranged between the first tension rollers, the installation height of the second tension rollers is lower than that of the first tension rollers, the large pressing roller is connected with a lifting driving device, an upper hinge seat and a lower hinge seat are symmetrically arranged on the front side and the rear side of the support, the upper hinge seat is hinged to the fixed end of an oil cylinder, and the lower hinge seat is hinged to the inner end of a pressing rod. The telescopic end of the oil cylinder is hinged with the upper convex part; and a small compression roller is mounted at the outer end of the compression bar. The tension mechanism of the slitting machine is arranged on the front side of a winding machine, and can generate enough tension through the matching of the first tension roller and the small compression roller and the matching of the second tension roller and the large compression roller, so that a wound coiled material is smoother and more compact.

Description

Technical Field

[0001] The utility model relates to the field of metal slitting equipment, in particular to a tensioning mechanism of a slitting machine. Background Art

[0002] Slitting machine, also known as slitting line, slitting machine, slitting machine, is a name for metal slitting equipment. It is suitable for longitudinal shearing of metal strips and rewinding the slit narrow strips into coils. It has the characteristics of easy operation, high cutting quality, high material utilization rate, and stepless speed regulation of cutting speed. Its main working steps are composed of unwinding (unwinding), material positioning, slitting longitudinal cutting, and coiling (rewinding). Usually, the applicable materials of slitting machines include tinplate, silicon steel sheets, aluminum strips, copper, stainless steel plates, galvanized plates, etc. It is widely used in many industries, including transformers, motors, home appliances, automobiles, building materials, packaging industries, etc. The slitting machine units in the prior art all use the rewinder to rewind the slit narrow steel strips. Often due to insufficient tension, the rewinding is not flat and tight, which affects the rewinding effect. Utility Model Content

[0003] The utility model aims to provide a tension mechanism for a longitudinal shearing machine to solve the problems existing in the prior art.

[0004] The purpose of the utility model is achieved as follows: a tension mechanism of a longitudinal shearing machine, comprising a first tension roller symmetrically arranged front and back and a large pressure roller and a second tension roller symmetrically arranged up and down, the first tension roller is installed on a base, the large pressure roller and the second tension roller are installed on a bracket, the second tension roller is arranged between the first tension roller and the installation height is lower than the first tension roller, the large pressure roller is connected to a lifting drive device, the bracket is symmetrically provided with an upper hinge seat and a lower hinge seat on both sides of the front and back, the upper hinge seat is hinged to the fixed end of the oil cylinder, the lower hinge seat is hinged to the inner end of the pressure rod, the middle section of the pressure rod is provided with an upper convex portion, the telescopic end of the oil cylinder is hinged to the upper convex portion, and a small pressure roller is installed at the outer end of the pressure rod. The tension mechanism of the longitudinal shearing machine of the utility model is arranged at the front side of the winding machine, and can generate sufficient tension through the cooperation of the first tension roller and the small pressure roller, and the cooperation of the second tension roller and the large pressure roller, so as to make the winding coil more flat and compact.

[0005] As a further improvement of the utility model, an upper bearing seat and a lower bearing seat are provided on the bracket, the top of the upper bearing seat is connected to the lifting drive device, an upper shaft is installed on the upper bearing seat, a large pressure roller is installed on the upper shaft, a lower shaft is installed in the lower bearing seat, and the second tension roller is installed on the lower shaft. The structure is simple and easy to install.

[0006] As a further improvement of the present invention, a slide groove is provided in the bracket corresponding to the connection position of the upper bearing seat, and both sides of the upper bearing seat are slidably connected to the slide groove, thereby ensuring that the large pressure roller moves up and down smoothly.

[0007] As a further improvement of the present invention, the lower bearing seat is installed at the bottom of the slide slot, which facilitates the axis of the large pressure roller and the first tension roller to be in the same vertical plane, thereby ensuring the tensioning effect.

[0008] As a further improvement of the utility model, a fixed bearing seat is installed on the base corresponding to the connection position of the first tensioning roller, and limit blocks are provided on the base corresponding to the front and rear sides of the fixed bearing seat. The limit blocks are provided with transverse threaded holes, and the limit bolts pass through the transverse threaded holes and the ends abut against the side surfaces of the fixed bearing seat to prevent the first tensioning roller from moving laterally, thereby further ensuring the tensioning effect.

[0009] As a further improvement of the present invention, the fixed bearing seat is connected to the base by connecting bolts, which is convenient for disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the tension mechanism of the longitudinal shearing machine of the utility model.

[0011] Among them, 1 is the first tension roller, 2 is the second tension roller, 3 is the large pressure roller, 4 is the base, 5 is the bracket, 6 is the lifting drive device, 7 is the upper articulated seat, 8 is the lower articulated seat, 9 is the oil cylinder, 10 is the pressure rod, 11 is the small pressure roller, 12 is the upper bearing seat, 13 is the lower bearing seat, 14 is the slide groove, 15 is the fixed bearing seat, 16 is the limit block, and 17 is the limit bolt. DETAILED DESCRIPTION

[0012] like Figure 1 The tensioning mechanism of the longitudinal shear shown comprises a first tensioning roller 1 symmetrically arranged front to back and a large pressure roller 3 and a second tensioning roller 2 symmetrically arranged top to bottom.

[0013] The first tension roller 1 is installed on the base 4. The large pressure roller 3 and the second tension roller 2 are installed on the bracket 5. The second tension roller 2 is arranged between the first tension roller 1 and the installation height is lower than the first tension roller 1 to generate sufficient tension. The large pressure roller 3 is connected to the lifting drive device 6. The upper hinge seat 7 and the lower hinge seat 8 are symmetrically arranged on the front and rear sides of the bracket 5. The upper hinge seat 7 is hinged to the fixed end of the oil cylinder 9, and the lower hinge seat 8 is hinged to the inner end of the pressure rod 10. The middle section of the pressure rod 10 is provided with an upper convex part. The telescopic end of the oil cylinder 9 is hinged to the upper convex part. The outer end of the pressure rod 10 is installed with a small pressure roller 11.

[0014] Specifically, the bracket 5 is provided with an upper bearing seat 12 and a lower bearing seat 13, and the top of the upper bearing seat 12 is connected to the lifting drive device 6. An upper shaft is installed on the upper bearing seat 12, and the large pressure roller 3 is installed on the upper shaft. A lower shaft is installed in the lower bearing seat 13, and the second tension roller 2 is installed on the lower shaft. A slide groove 14 is provided in the bracket 5 at the connection position corresponding to the upper bearing seat 12, and both sides of the upper bearing seat 12 are slidably connected to the slide groove 14. Thereby, the large pressure roller 3 is ensured to move up and down smoothly. The lower bearing seat 13 is installed at the bottom of the slide groove 14, which is convenient for realizing that the axis of the large pressure roller 3 and the first tension roller 1 are in the same vertical plane, thereby ensuring the tensioning effect.

[0015] A fixed bearing seat 15 is installed on the base 4 at the connection position corresponding to the first tension roller 1. The fixed bearing seat 15 is connected to the base 4 by connecting bolts, which is convenient for disassembly and maintenance. The base 4 is provided with limit blocks 16 at the front and rear sides corresponding to the fixed bearing seat 15. The limit blocks 16 are provided with transverse threaded holes. The limit bolts 17 pass through the transverse threaded holes and the ends thereof abut against the side of the fixed bearing seat 15 to prevent the first tension roller 1 from moving laterally, further ensuring the tensioning effect.

[0016] The tension mechanism of the longitudinal shearing machine of this embodiment is arranged at the front side of the winder. Through the cooperation of the first tension roller 1 and the small pressure roller 11, and the cooperation of the second tension roller 2 and the large pressure roller 3, sufficient tension can be generated to make the wound coil more flat and compact.

[0017] The present utility model is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present utility model, technicians in this field can make some substitutions and deformations to some technical features therein according to the disclosed technical content without creative labor, and these substitutions and deformations are all within the protection scope of the present utility model.

Claims

1. A tension mechanism for a slitting machine, characterized in that: It includes a first tension roller symmetrically arranged front and back and a large pressure roller and a second tension roller symmetrically arranged up and down, the first tension roller is installed on a base, the large pressure roller and the second tension roller are installed on a bracket, the second tension roller is arranged between the first tension rollers and the installation height is lower than the first tension roller, the large pressure roller is connected to a lifting drive device, the bracket is symmetrically provided with an upper hinge seat and a lower hinge seat on the front and back sides, the upper hinge seat is hinged to the fixed end of the cylinder, the lower hinge seat is hinged to the inner end of the pressure rod, the middle section of the pressure rod is provided with an upper convex portion, the telescopic end of the cylinder is hinged to the upper convex portion, and a small pressure roller is installed at the outer end of the pressure rod.

2. The tensioning mechanism of the slitting machine according to claim 1, characterized in that: The bracket is provided with an upper bearing seat and a lower bearing seat, the top of the upper bearing seat is connected to the lifting drive device, the upper bearing seat is installed with an upper shaft, the large pressure roller is installed on the upper shaft, the lower bearing seat is installed with a lower shaft, and the second tension roller is installed on the lower shaft.

3. The tensioning mechanism of the slitting machine according to claim 2, characterized in that: A slide groove is provided in the bracket corresponding to the connection position of the upper bearing seat, and both sides of the upper bearing seat are slidably connected to the slide groove.

4. The tensioning mechanism of the slitting machine according to claim 3, characterized in that: The lower bearing seat is installed at the bottom of the slideway.

5. The tensioning mechanism of the slitting machine according to claim 1, characterized in that: A fixed bearing seat is installed on the base corresponding to the connection position of the first tension roller. Limit blocks are provided on the base corresponding to the front and rear sides of the fixed bearing seat. The limit blocks are provided with transverse threaded holes. The limit bolts pass through the transverse threaded holes and the ends thereof abut against the sides of the fixed bearing seat.

6. The tensioning mechanism of the slitting machine according to claim 5, characterized in that: The fixed bearing seat is connected to the base via connecting bolts.

Images