Precise inner welding rib removing device for aluminum battery case

Abstract

The invention discloses a precise inner welding rib removing device for an aluminum battery case in the field of battery case inner welding rib processing, which comprises at least two pull rods, the front ends of the at least two pull rods are arranged corresponding to a forming flat roll rack, and the rear ends of the at least two pull rods are fixed with an inner bracket; two inner upper pressing rollers are rotatably installed on the upper side of the inner support, an adjusting support is arranged on the lower side of the inner support, an inner lower carrier roller is rotatably installed on the adjusting support, a fixing support is arranged corresponding to the inner support, an upper positioning assembly and a lower positioning assembly are installed on the fixing support, and the upper positioning assembly and the lower positioning assembly are arranged on the fixing support. The upper positioning assembly and the lower positioning assembly are respectively arranged corresponding to the inner upper compression roller and the inner lower carrier roller; a finger type broach is arranged on the rear side of the inner support. The inner welding ribs on the inner wall of the aluminum pipe are removed through the finger-type broach, and precise removal of the inner welding ribs of the aluminum pipe is achieved.

Description

Technical Field

[0001] The invention belongs to the field of processing weld ribs inside battery shells, and in particular relates to a device for precisely removing weld ribs inside aluminum battery shells. Background Art

[0002] The battery shell of new energy vehicles has a rectangular cross-section and is generally made of aluminum. When processing the battery shell, the aluminum strip raw material is first roll-formed into an aluminum tube with a rectangular cross-section, and then the gap of the longer rectangular aluminum tube is welded and fixed, and finally the aluminum tube is cut into aluminum tubes of corresponding sizes as aluminum battery shells.

[0003] At present, due to the problem of welding process, the welding ribs inside the longer rectangular aluminum tube need to be removed. Since the material of the aluminum tube is tough, light and ductile, the aluminum tube needs to be stably positioned. The problem is that there is a lack of equipment on the market that can accurately position the aluminum tube and quickly remove the welding ribs inside the aluminum tube. Summary of the invention

[0004] The purpose of the present invention is to provide a device for precisely removing internal weld ribs from aluminum battery shells, which can, on the one hand, precisely position the aluminum tube, and on the other hand, move the aluminum tube backward through the power transmission of the forming flat roller frame, and remove the internal weld ribs on the inner wall of the aluminum tube through a finger-type broach, thereby achieving precise removal of the internal weld ribs of the aluminum tube.

[0005] The objective of the present invention is achieved as follows: A device for precisely removing internal weld ribs from an aluminum battery shell comprises at least two tie rods, the front ends of the at least two tie rods being arranged corresponding to a forming flat roller frame, the rear ends of the at least two tie rods being fixed to an inner bracket, two inner upper pressure rollers being rotatably mounted on the upper side of the inner bracket, an adjustment bracket being arranged on the lower side of the inner bracket, an inner lower roller being rotatably mounted on the adjustment bracket, a fixed bracket being arranged corresponding to the inner bracket, an upper positioning assembly and a lower positioning assembly being respectively mounted on the fixed bracket, the upper positioning assembly and the lower positioning assembly being arranged corresponding to the inner upper pressure roller and the inner lower roller respectively; a finger-type broach is arranged on the rear side of the inner bracket.

[0006] When the present invention is working, each inner upper pressure roller supports the upper inner wall of the aluminum tube, and the fine-tuning screw is adjusted so that the inner lower roller on the adjustment bracket presses the lower inner wall of the aluminum tube, and then the height of the upper adjustment screw is rotated and adjusted, and the upper adjustment screw is locked by the locking nut, so that each outer upper pressure roller presses the upper outer wall of the aluminum tube, and the height of the lower adjustment screw is rotated and adjusted, and the lower adjustment screw is locked by the locking nut, so that the outer lower roller presses the lower outer wall of the aluminum tube, and the front end of each tie rod is connected to the forming flat roller frame, and the forming flat roller frame forms the aluminum tube and transports the aluminum tube backward at the same time, and each tie rod is set through the aluminum tube, and the tie rod guides the aluminum tube. During the backward transmission of the aluminum tube, the upper inner wall and the lower inner wall of the aluminum tube are horizontally arranged, and the aluminum tube is positioned by the inner lower roller, the outer lower roller, the two outer upper pressure rollers, and the inner upper pressure roller, and the finger-type broach removes the inner welding ribs of the inner wall of the aluminum tube. The subsequent process cuts the aluminum tube to a fixed size to obtain a plurality of aluminum battery shells. Compared with the prior art, the beneficial effects of the present invention are that on the one hand, the aluminum tube can be precisely positioned; on the other hand, the aluminum tube can be moved backward by the power transmission of the forming flat roller frame, and the internal weld ribs on the inner wall of the aluminum tube can be removed by a finger-type broach, thereby achieving precise removal of the weld ribs inside the aluminum tube.

[0007] As a further improvement of the present invention, the at least two pull rods are arranged in sequence from top to bottom vertically, the rear end of the pull rod is threadedly fixedly connected to the inner bracket, the front end of the pull rod is threadedly connected to the adjustment rod, the rear end of the adjustment rod is provided with an axial hole 1 for accommodating the axial insertion of the pull rod, the front end of the adjustment rod is threadedly connected to the fixed rod, the rear end of the fixed rod is provided with an axial hole 2 for accommodating the axial insertion of the adjustment rod, each adjustment rod is arranged through a positioning plate, the front side of the positioning plate is arranged against the rear end face of the fixed rod, each adjustment rod is sleeved with a locking sleeve, and the locking sleeve presses the rear side face of the positioning plate. The length of the adjustment rod can be adjusted by rotating the position of the adjustment rod.

[0008] As a further improvement of the present invention, the inner bracket is provided with a first installation groove and a second installation groove, which are arranged in front and back correspondence, and two inner upper pressing rollers are rotatably installed in the first installation groove and the second installation groove via an inner roller shaft, respectively, the inner roller shaft is arranged perpendicular to the axis of the pull rod, and the upper side surface of the inner upper pressing roller protrudes from the first installation groove or the second installation groove. The upper inner wall of the aluminum tube is positioned by the inner upper pressing roller.

[0009] As a further improvement of the present invention, the upper part of the inner bracket is provided with a middle groove, the lower part of the inner bracket is provided with a bottom groove, the upper part of the adjustment bracket is arranged corresponding to the bottom groove, the adjustment bracket is rotatably connected to the inner bracket via an adjustment pin, the adjustment bracket is extended downward, a vertical clamping bolt is threadedly connected to the inner bracket, the clamping bolt passes through the inner bracket downward and presses the adjustment bracket, and the inner lower roller is installed at the lower end of the adjustment bracket via an inner roller shaft. The upper side and front side of the adjustment bracket are arranged corresponding to the inner wall of the bottom groove, and the clamping bolt is rotated to adjust so that the inner lower roller presses the lower inner wall of the aluminum tube.

[0010] As a further improvement of the present invention, the fixed bracket is provided with a lower adjustment groove and two upper adjustment grooves, the lower adjustment groove and the upper adjustment groove are arranged vertically, the upper positioning assembly comprises two sliders 1 respectively arranged in the two upper adjustment grooves, an upper adjustment screw is fixed on the upper part of the slider 1, the upper adjustment screw passes upward through the inner bracket and is threadedly connected with the inner bracket, a locking nut is sleeved on the upper adjustment screw, the locking nut presses the fixed bracket, an outer upper roller shaft is fixed on the outer side of the slider 1, the outer upper roller shaft is perpendicular to the axis of the pull rod, and the outer upper pressure roller is rotatably installed on the corresponding outer upper roller shaft. By rotating and adjusting the height position of the upper adjustment screw, the outer upper pressure roller can adapt to press the upper outer wall of the aluminum tube.

[0011] As a further improvement of the present invention, the lower positioning assembly includes a mounting block fixedly connected to the fixed bracket, a lower adjusting screw located in the lower adjusting groove is installed on the mounting block, the lower adjusting screw is threadedly connected to the mounting block, a threaded hole for accommodating the lower adjusting screw is provided on the mounting block, a locking nut is sleeved on the lower adjusting screw, the locking nut is pressed against the mounting block, a slider 2 is fixed to the upper end of the lower adjusting screw, the slider 2 is movably arranged in the lower adjusting groove, an outer lower roller is fixed to the outer side of the slider 2, the outer lower roller is perpendicular to the axis of the pull rod, and the outer lower roller is rotatably installed on the outer lower roller. The height position of the lower adjusting screw is adjusted by rotation, so that the lower outer wall of the aluminum tube can be pressed by the outer lower roller.

[0012] As a further improvement of the present invention, an aluminum tube is arranged corresponding to the inner lower roller and the two inner upper pressure rollers. The cross-section of the aluminum tube is rectangular, and the interior of the aluminum tube is provided with an upper inner wall, a lower inner wall, a left inner wall and a right inner wall. The upper inner wall and the lower inner wall of the aluminum tube are both arranged horizontally, the upper side surfaces of the two inner upper pressure rollers are abutted against the upper inner wall of the aluminum tube, the lower side surface of the inner lower roller is abutted against the lower inner wall of the aluminum tube, the two outer upper pressure rollers press the upper outer wall of the aluminum tube, and the outer lower roller supports the lower outer wall of the aluminum tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention.

[0014] Figure 2 An enlarged view of the fixing bracket.

[0015] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0016] Figure 4 Schematic diagram of the end structure of the aluminum tube.

[0017] Among them, 1 pull rod, 2 inner bracket, 3 inner upper pressure roller, 4 adjustment bracket, 5 inner lower roller, 6 fixed bracket, 7 finger-type broach, 8 adjustment rod, 8a axial hole one, 9 fixed rod, 9a axial hole two, 10 positioning plate, 11 locking sleeve, 12 mounting groove one, 13 mounting groove two, 14 inner roller shaft, 15 middle groove, 16 bottom groove, 17 adjustment pin shaft, 18 clamping bolt, 19 inner roller shaft, 20 lower adjustment groove, 21 upper adjustment groove, 22 slider one, 23 upper adjustment screw, 24 locking nut, 25 outer upper roller shaft, 26 outer upper pressure roller, 27 mounting block, 28 lower adjustment screw, 29 locking nut, 30 slider two, 31 outer lower roller shaft, 32 outer lower roller, 33 aluminum tube, 33a upper inner wall, 33b lower inner wall, 33c left inner wall, 33d right inner wall, 33e upper outer wall, 33f lower outer wall. DETAILED DESCRIPTION

[0018] like Figure 1-4 As shown, a device for precisely removing internal weld ribs from an aluminum battery shell comprises at least two tie rods 1, the front ends of the at least two tie rods 1 are arranged corresponding to the forming flat roller frame, the rear ends of the at least two tie rods 1 are fixed to the inner bracket 2, two inner upper pressure rollers 3 are rotatably mounted on the upper side of the inner bracket 2, an adjustment bracket 4 is arranged on the lower side of the inner bracket 2, an inner lower roller 5 is rotatably mounted on the adjustment bracket 4, a fixed bracket 6 is arranged corresponding to the inner bracket 2, an upper positioning assembly and a lower positioning assembly are respectively mounted on the fixed bracket 6, and the upper positioning assembly and the lower positioning assembly are respectively arranged corresponding to the inner upper pressure roller 3 and the inner lower roller 5; a finger-type broach 7 is arranged on the rear side of the inner bracket 2.

[0019] The at least two pull rods 1 are arranged in sequence from top to bottom vertically, the rear end of the pull rod 1 is threadedly fixedly connected with the inner bracket 2, the front end of the pull rod 1 is threadedly connected with the adjusting rod 8, the rear end of the adjusting rod 8 is provided with an axial hole 8a for accommodating the axial insertion of the pull rod 1, the front end of the adjusting rod 8 is threadedly connected with the fixing rod 9, the rear end of the fixing rod 9 is provided with an axial hole 9a for accommodating the axial insertion of the adjusting rod 8, each adjusting rod 8 is arranged through the positioning plate 10, the front side of the positioning plate 10 is arranged against the rear end face of the fixing rod 9, each adjusting rod 8 is sleeved with a locking sleeve 11, and the locking sleeve 11 presses the rear side face of the positioning plate 10. By rotating and adjusting the position of the adjusting rod 8, the length of the adjusting rod 8 can be adjusted.

[0020] The inner bracket 2 is provided with a mounting groove 12 and a mounting groove 2 13, which are arranged in front and back correspondence. Two inner upper pressure rollers 3 are rotatably installed in the mounting groove 12 and the mounting groove 2 13 through an inner roller shaft 14, respectively. The inner roller shaft 14 is arranged perpendicular to the axis of the pull rod 1, and the upper side of the inner upper pressure roller 3 protrudes from the mounting groove 12 or the mounting groove 2 13. The upper inner wall 33a of the aluminum tube 33 is positioned by the inner upper pressure roller 3. The upper part of the inner bracket 2 is provided with a middle groove 15, and the lower part of the inner bracket 2 is provided with a bottom groove 16. The upper part of the adjustment bracket 4 is arranged corresponding to the bottom groove 16. The adjustment bracket 4 is rotatably connected to the inner bracket 2 through the adjustment pin shaft 17. The adjustment bracket 4 is extended downward. A vertical clamping bolt 18 is threadedly connected to the inner bracket 2. The clamping bolt 18 passes through the inner bracket 2 downward and presses the adjustment bracket 4. The inner lower roller 5 is installed at the lower end of the adjustment bracket 4 through an inner roller shaft 19. The upper side and the front side of the adjustment bracket 4 are arranged corresponding to the inner wall of the bottom groove 16 , and the clamping bolt 18 is rotated to adjust so that the inner lower roller 5 presses the lower inner wall 33 b of the aluminum tube 33 .

[0021] The fixed bracket 6 is provided with a lower adjustment groove 20 and two upper adjustment grooves 21, the lower adjustment groove 20 and the upper adjustment groove 21 are arranged vertically, the upper positioning assembly comprises two sliders 22 respectively arranged in the two upper adjustment grooves 21, an upper adjustment screw 23 is fixed on the upper part of the slider 22, the upper adjustment screw 23 passes through the inner bracket 2 upward and is threadedly connected with the inner bracket 2, a locking nut 24 is sleeved on the upper adjustment screw 23, the locking nut 24 presses the fixed bracket 6, an outer upper roller 25 is fixed on the outer side of the slider 22, the outer upper roller 25 is perpendicular to the axis of the pull rod 1, and the outer upper pressure roller 26 is rotatably mounted on the corresponding outer upper roller 25. By rotating and adjusting the height position of the upper adjustment screw 23, the upper outer wall 33e of the aluminum tube 33 can be pressed by the outer upper pressure roller 26. The lower positioning assembly includes a mounting block 27 fixedly connected to the fixed bracket 6, a lower adjusting screw 28 located in the lower adjusting groove 20 is installed on the mounting block 27, the lower adjusting screw 28 is threadedly connected to the mounting block 27, a threaded hole for accommodating the lower adjusting screw 28 is provided on the mounting block 27, a locking nut 29 is sleeved on the lower adjusting screw 28, and the locking nut 29 is set to press the mounting block 27, a slider 2 30 is fixed on the upper end of the lower adjusting screw 28, the slider 2 30 is movably set in the lower adjusting groove 20, an outer lower roller 31 is fixed on the outer side of the slider 2 30, the outer lower roller 31 is perpendicular to the axis of the pull rod 1, and the outer lower roller 32 is rotatably installed on the outer lower roller 31. By rotating and adjusting the height position of the lower adjusting screw 28, the lower outer wall 33f of the aluminum tube 33 can be pressed by the outer lower roller 32.

[0022] An aluminum tube 33 is arranged corresponding to the inner lower roller 5 and the two inner upper pressure rollers 3. The cross-section of the aluminum tube 33 is rectangular. The interior of the aluminum tube 33 is provided with an upper inner wall 33a, a lower inner wall 33b, a left inner wall 33c and a right inner wall 33d. The upper inner wall 33a and the lower inner wall 33b of the aluminum tube 33 are both arranged horizontally. The upper side surfaces of the two inner upper pressure rollers 3 are abutted against the upper inner wall 33a of the aluminum tube 33, and the lower side surfaces of the inner lower roller 5 are abutted against the lower inner wall 33b of the aluminum tube 33. The two outer upper pressure rollers 26 press the upper outer wall 33e of the aluminum tube 33, and the outer lower roller 32 supports the lower outer wall 33f of the aluminum tube 33.

[0023] When the present invention is working, each inner upper pressure roller 3 holds the upper inner wall 33a of the aluminum tube 33, adjusts the fine-tuning screw so that the inner lower roller 5 on the adjustment bracket 4 presses the lower inner wall 33b of the aluminum tube 33, and then rotates to adjust the height of the upper adjustment screw 23, locks the upper adjustment screw 23 by the locking nut 24, so that each outer upper pressure roller 26 presses the upper outer wall 33e of the aluminum tube 33, rotates to adjust the height of the lower adjustment screw 28, locks the lower adjustment screw 28 by the locking nut 29, so that the outer lower roller 32 presses the lower inner wall 33e of the aluminum tube 33. The front end of each tie rod 1 is connected to the forming flat roller frame. The forming flat roller frame forms the aluminum tube 33 and conveys the aluminum tube 33 backward. Each tie rod 1 is set through the aluminum tube 33. The tie rod 1 guides the aluminum tube 33. During the backward transmission of the aluminum tube 33, the upper inner wall 33a and the lower inner wall 33b of the aluminum tube 33 are arranged horizontally. The aluminum tube 33 is positioned by the inner lower roller 5, the outer lower roller 32, the two outer upper pressure rollers 26, and the inner upper pressure roller 3. The finger-type broach 7 removes the inner weld ribs on the inner wall of the aluminum tube 33. The subsequent process cuts the aluminum tube 33 to a certain size to obtain a number of aluminum battery shells. The advantages of the present invention are: on the one hand, the aluminum tube 33 can be precisely positioned, and on the other hand, the aluminum tube 33 can be moved backward by the power of the forming flat roller frame, and the inner weld ribs on the inner wall of the aluminum tube 33 can be removed by the finger-type broach 7, so as to achieve precise removal of the inner weld ribs of the aluminum tube 33.

[0024] The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solution disclosed in the present invention, 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 invention.

Claims

1. A device for precisely removing internal weld ribs from an aluminum battery shell, characterized in that: It comprises at least two pulling rods, the front ends of the at least two pulling rods are arranged corresponding to the forming flat roller frame, the rear ends of the at least two pulling rods are fixed to the inner bracket, two inner upper pressure rollers are rotatably mounted on the upper side of the inner bracket, an adjusting bracket is arranged on the lower side of the inner bracket, an inner lower roller is rotatably mounted on the adjusting bracket, a fixed bracket is arranged corresponding to the inner bracket, an upper positioning assembly and a lower positioning assembly are respectively mounted on the fixed bracket, and the upper positioning assembly and the lower positioning assembly are respectively arranged corresponding to the inner upper pressure roller and the inner lower roller; a finger-type broach is arranged on the rear side of the inner bracket.

2. According to claim 1, a device for precisely removing internal weld ribs from an aluminum battery shell is characterized in that: The at least two pull rods are arranged in sequence from top to bottom along the vertical direction, the rear end of the pull rod is threadedly fixedly connected to the inner bracket, the front end of the pull rod is threadedly connected to the adjusting rod, the rear end of the adjusting rod is provided with an axial hole one for accommodating the axial insertion of the pull rod, the front end of the adjusting rod is threadedly connected to the fixed rod, the rear end of the fixed rod is provided with an axial hole two for accommodating the axial insertion of the adjusting rod, each adjusting rod is arranged through a positioning plate, the front side of the positioning plate is arranged against the rear end face of the fixed rod, a locking sleeve is sleeved on each adjusting rod, and the locking sleeve presses the rear side face of the positioning plate.

3. A device for precisely removing internal weld ribs from an aluminum battery shell according to claim 1 or 2, characterized in that: The inner bracket is respectively provided with mounting groove one and mounting groove two, which are arranged correspondingly front and back, and the two inner upper pressure rollers are respectively rotatably installed in mounting groove one and mounting groove two via an inner roller shaft, the inner roller shaft is arranged perpendicular to the axis of the pull rod, and the upper side surface of the inner upper pressure roller protrudes from the mounting groove one or the mounting groove two.

4. The device for precisely removing internal weld ribs from an aluminum battery shell according to claim 3, characterized in that: The upper part of the inner bracket is provided with a middle groove, the lower part of the inner bracket is provided with a bottom groove, the upper part of the adjusting bracket is arranged corresponding to the bottom groove, the adjusting bracket is rotatably connected to the inner bracket via an adjusting pin shaft, the adjusting bracket is extended downward, a vertical clamping bolt is threadedly connected to the inner bracket, the clamping bolt passes downward through the inner bracket and presses the adjusting bracket, and the inner lower roller is installed at the lower end of the adjusting bracket via an inner roller shaft.

5. A device for precisely removing internal weld ribs from an aluminum battery shell according to claim 1 or 2, characterized in that: The fixed bracket is provided with a lower adjustment groove and two upper adjustment grooves, and the lower adjustment groove and the upper adjustment groove are vertically arranged. The upper positioning assembly includes two sliders 1 respectively slidably arranged in the two upper adjustment grooves, and an upper adjustment screw is fixed on the upper part of the slider 1. The upper adjustment screw passes through the inner bracket upward and is threadedly connected with the inner bracket. A locking nut is sleeved on the upper adjustment screw, and the locking nut presses the fixed bracket. An outer upper roller shaft is fixed to the outer side of the slider 1, and the outer upper roller shaft is perpendicular to the axis of the pull rod. The outer upper pressure roller is rotatably mounted on the corresponding outer upper roller shaft.

6. The device for precisely removing internal weld ribs from an aluminum battery shell according to claim 5, characterized in that: The lower positioning assembly includes a mounting block fixedly connected to the fixed bracket, a lower adjusting screw located in the lower adjusting groove is mounted on the mounting block, the lower adjusting screw is threadedly connected to the mounting block, a threaded hole for accommodating the insertion of the lower adjusting screw is opened on the mounting block, a locking nut is sleeved on the lower adjusting screw, the locking nut is pressed against the mounting block, a slider 2 is fixed to the upper end of the lower adjusting screw, the slider 2 is movably arranged in the lower adjusting groove, an outer lower roller shaft is fixed to the outer side of the slider 2, the outer lower roller shaft is perpendicular to the axis of the pull rod, and the outer lower roller is rotatably mounted on the outer lower roller shaft.

7. The device for precisely removing internal weld ribs from an aluminum battery shell according to claim 6, characterized in that: An aluminum tube is arranged corresponding to the inner lower roller and the two inner upper pressure rollers. The cross-section of the aluminum tube is rectangular. The interior of the aluminum tube is provided with an upper inner wall, a lower inner wall, a left inner wall and a right inner wall. The upper inner wall and the lower inner wall of the aluminum tube are both arranged horizontally. The upper side surfaces of the two inner upper pressure rollers are against the upper inner wall of the aluminum tube, and the lower side surface of the inner lower roller is against the lower inner wall of the aluminum tube. The two outer upper pressure rollers press the upper outer wall of the aluminum tube, and the outer lower roller supports the lower outer wall of the aluminum tube.

Images