CN-121989138-A - Sanding device and sanding process for thin strip

CN121989138ACN 121989138 ACN121989138 ACN 121989138ACN-121989138-A

Abstract

The invention provides a thin strip sanding device, which comprises an outer box body, a sanding belt tension adjusting mechanism, a tensioning roller, a sanding belt driving roller, a sanding belt and extrusion assembly, two clamping devices and a strip; the abrasive belt tension adjusting mechanism is arranged in the outer box body; the belt clamping device comprises an outer box body, a tension roller, belt driving rollers, an extrusion assembly, two clamping devices and a belt material, wherein the tension roller is connected between the belt tension adjusting mechanisms, the belt driving rollers are arranged between the belt tension adjusting mechanisms and are positioned below or above the tension roller, the belt is arranged between the tension roller and the belt driving rollers, the extrusion assembly is arranged inside the outer box body and is positioned below or above the belt driving rollers, the two clamping devices are symmetrically arranged on two sides inside the outer box body, and the belt material is arranged between the belt and the extrusion assembly. According to the thin strip sanding device provided by the invention, the height of the pinch roller is adjusted by jacking the hydraulic oil cylinder 81 to form a specific sanding wrap angle, the line contact is changed into the surface contact, the grinding contact area is increased, the stress of the thin strip is more uniform, and the sanding precision is obviously improved.

Inventors

ZHAO XIAOJUN
SHI MINGXIAN
MA LEIHONG
WU GONGPING
YANG JUANLI
JING WU
MA MING
WANG XIN
TANG JIE
DU GUN
LI KAICHAO

Assignees

宝鸡钛业股份有限公司
宝钛集团有限公司

Dates

Publication Date: 20260508
Application Date: 20260130

Claims (10)

1. A thin strip sanding apparatus comprising: The belt conveyor comprises an outer box body, an abrasive belt tension adjusting mechanism, a tensioning roller, an abrasive belt driving roller, an abrasive belt and extrusion assembly, two clamping devices and a belt; the abrasive belt tension adjusting mechanism is arranged in the outer box body; the tensioning roller is connected between the abrasive belt tension adjusting mechanisms; The abrasive belt driving roller is arranged between the abrasive belt tension adjusting mechanisms and is positioned below or above the tensioning roller; The abrasive belt is arranged between the tensioning roller and the abrasive belt driving roller; the extrusion assembly is arranged in the outer box body and is positioned below or above the abrasive belt driving roller; The two clamping and conveying devices are symmetrically arranged at two sides of the inner part of the outer box body; the belt is disposed between the abrasive belt and the extrusion assembly.
2. The thin strip sanding apparatus of claim 1, wherein a mounting plate is mounted to one side of the interior of the outer box.
3. The thin strip sanding apparatus of claim 1, wherein the squeeze assembly includes a base mounted to a central location of a bottom of an inner wall of the outer box and a back pressure roller mounted to the base.
4. The thin strip sanding apparatus of claim 1, wherein the pinch apparatus includes two jacking cylinders, two mounting frames, a first pinch roller and a second pinch roller, the two mounting frames being mounted on top of the two jacking cylinders, respectively, the first pinch roller and the second pinch roller being symmetrically mounted between the two mounting frames.
5. A thin strip sanding apparatus as defined in claim 3, wherein pinch roll adjustment frames are mounted on both sides of the bottom of the inner wall of the outer box and below the base.
6. The thin strip sanding device of claim 1 wherein the tension adjustment mechanism is internally provided with a tension adjustment spring.
7. The thin strip sanding device of claim 1, wherein the side of the outer box is provided with a mounting assembly comprising a mounting base, a securing lever, a movable sleeve, a first securing latch, a second securing latch, and a stop, the mounting base being mounted to the side of the outer box by the second securing latch, the securing lever being connected to the side of the mounting base, the movable sleeve being disposed over the surface of the securing lever, the first securing latch being disposed between the movable sleeve and the securing lever, the stop being connected to one end of the securing lever.
8. The thin strip sanding device of claim 7, wherein the surface of the movable sleeve is provided with a support assembly comprising a telescoping rod mounted to the surface of the movable sleeve, a support plate mounted to the top of the telescoping rod, a plurality of rotating rollers disposed on the surface of the support plate, and a stop pin disposed on the surface of the telescoping rod.
9. The thin strip sanding device as defined in claim 5, wherein the protective components are disposed on both sides of the outer housing, the protective components include a protective plate, a plurality of L-shaped mounting blocks and a plurality of clamping bolts, the L-shaped mounting blocks are respectively mounted on both sides of the protective plate, the clamping bolts are respectively disposed between the L-shaped mounting blocks and the outer housing, the collecting components are disposed between the two pinch roll adjusting frames, the collecting components include a collecting box, two clamping blocks and two clamping grooves, the two clamping blocks are respectively connected to both sides of the surface of the collecting box, the two clamping grooves are respectively opened in the interior of the pinch roll adjusting frames, and handles are mounted on the surface of the collecting box.
10. A process for sanding a thin strip sanding apparatus as defined in any one of claims 1 to 6 including the steps of: s1, firstly starting an abrasive belt tensioning cylinder to adjust a tensioning roller and an abrasive belt driving roller up and down so as to adjust tensioning force of an abrasive belt; S2, after the tension of the abrasive belt is adjusted in S1, the whole production line is started to run, so that the strip is enabled to build basic tension through an uncoiler and a coiling machine, then the lifting hydraulic cylinder is started to drive pinch rolls on two sides of the outer box body to adjust the upper and lower heights by utilizing the mounting frame, so that the strip and the abrasive belt generate a certain coating angle, surface contact sanding is realized, the tension of the angle sanding can be conveniently adjusted by adjusting the coiling tension of the coiling machine, abrasive grain abrasion change of the abrasive belt is counteracted, and the height of the pinch rolls can be finely adjusted by manually adjusting the turbine and worm in the pinch roll adjusting frame, so that the size of the coating angle is changed.

Description

Sanding device and sanding process for thin strip Technical Field The invention relates to the technical field of equipment application, in particular to a thin strip sanding device and a sanding process. Background With the development of industrial production, novel thin-strip materials such as amorphous nanocrystalline magnetically soft alloy and the like gradually replace the traditional permalloy, silicon steel and ferrite due to excellent performance, and are widely applied to a plurality of fields. In the processing process of the novel thin belt materials, defects such as peeling, scratch, metal or nonmetal pressing in and the like easily occur in the surface sanding stage, and the polishing link is very important. The prior art relies on a sand mill for many reasons, normal positive pressure is provided by jacking a back pressure roller, a belt material is contacted with an abrasive belt to realize grinding, the method is convenient for thick material sand milling, but has obvious limitations when thin belt materials with thickness smaller than 1mm are processed, the elastic deformation of the back pressure roller can cause uneven contact surfaces, the abrasive belt is not participated in the contact of a grinding part and the back pressure roller to generate abnormal abrasion, further the follow-up processing precision is influenced, the abrasive belt abrasive particle layer can be gradually invalidated after long-term use, the grinding effect is reduced, the efficiency is reduced, the normal pressure generated by jacking the back pressure roller is easy to cause fatigue and deformation of the thin belt material, surface microcrack and other defects are generated, the uneven abrasion of the surface of the abrasive roller can change the geometric dimension of the abrasive belt, the maintenance and replacement cost of equipment is increased, the abrasive belt is influenced by factors such as deformation and abrasion of the abrasive belt, the abrasive precision is difficult to stabilize for a long time, the process requirement of high-precision thin belt materials cannot be met, and the prior equipment also has the problems such as poor design suitability of the back pressure roller, high energy consumption, low efficiency and difficulty in meeting multiple process requirements. Accordingly, there is a need for a thin strip sanding apparatus that addresses the above-described problems. Disclosure of Invention The invention provides a thin strip sanding device, which solves the problems that when the existing sanding equipment and process are used for processing a thin strip with the thickness smaller than 1mm, the back pressure roller is elastically deformed to cause uneven contact, an abrasive belt abrasive particle layer is easy to wear, the strip is easy to fatigue and deform, the abrasive roller is uneven in wear, the sanding precision is unstable, the energy consumption is high and the requirement on multiple processes is difficult to adapt. In order to solve the above technical problems, the present invention provides a thin strip sanding apparatus including: The belt conveyor comprises an outer box body, an abrasive belt tension adjusting mechanism, a tensioning roller, an abrasive belt driving roller, an abrasive belt and extrusion assembly, two clamping devices and a belt; The abrasive belt tension adjusting mechanisms are symmetrically arranged in the outer box body; the tensioning roller is connected between the abrasive belt tension adjusting mechanisms; The abrasive belt driving roller is arranged between the abrasive belt tension adjusting mechanisms and is positioned below or above the tensioning roller; The abrasive belt is arranged between the tensioning roller and the abrasive belt driving roller; the extrusion assembly is arranged in the outer box body and is positioned below or above the abrasive belt driving roller; The two clamping and conveying devices are symmetrically arranged at two sides of the inner part of the outer box body; the belt is disposed between the abrasive belt and the extrusion assembly. Preferably, a mounting plate is mounted on one side of the inner part of the outer box body. Preferably, the extrusion assembly comprises a base and a back pressure roller, wherein the base is arranged at the central position of the bottom of the inner wall of the outer box body, and the back pressure roller is arranged on the base. Preferably, the clamping device comprises two jacking hydraulic cylinders, two mounting frames, a first pinch roll and a second pinch roll, wherein the two mounting frames are respectively mounted at the tops of the two jacking hydraulic cylinders, and the first pinch roll and the second feeding roll are symmetrically mounted between the two mounting frames. Preferably, pinch roll adjusting frames are arranged on two sides of the bottom of the inner wall of the outer box body and below the base. Preferably, a tension adjusting spring is arranged in