Double-shaft parallel winding mechanism

Abstract

The utility model relates to the field of a welding strip unwinding structure of a series welding machine in the photovoltaic industry, in particular to a double-shaft parallel unwinding mechanism, which comprises a machine frame, an unwinding shaft A and an unwinding shaft B. The double-shaft parallel unwinding mechanism is characterized in that the unwinding shaft B is a hollow shaft, is sleeved on the unwinding shaft A and is connected with the unwinding shaft A through a rotating device, and the unwinding shaft A is connected with the unwinding shaft B through the rotating device. One end of the unwinding shaft B is connected with an unwinding shaft B support through a bearing, the unwinding shaft B support is fixedly connected with the rack, and the unwinding shaft B is connected with a motor B through a power transmission device; the unwinding device is simple in structure, the unwinding shaft B is connected to the unwinding shaft A in a sleeving mode, the unwinding shaft A and the unwinding shaft B are connected with the motors respectively, the unwinding discs are arranged on the unwinding shaft B and the unwinding shaft A respectively, and therefore independent rotation of the two unwinding discs can be achieved in the same axial rotation center, and the equipment space can be greatly saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic industry series welding machine solder strip pay-off structure field, concretely relates to a double -shaft side -by -side pay -off mechanism. BACKGROUND

[0002] With the development of photovoltaic component packaging technology of photovoltaic industry, the quantity demand of solder strip of photovoltaic component product is gradually increasing. The series welding machine equipment develops from the earliest two -bar, three -bar, four -bar to 10 -bar (MBB series welding machine) and 16 -bar (SMBB series welding machine), and there will be more quantity demand in the later period.

[0003] The increase of solder strip quantity means the increase of the pay-off reel number of solder strip on single series welding equipment, which increases the space ratio of the pay-off reel on the equipment and the length of the equipment. Some equipment arranges the same number of pay-off reels on the left and right sides of the equipment to increase the length and hardware cost of the equipment.

[0004] The existing equipment scheme at present is single -shaft pay -off, that is, only one pay -off reel is arranged at the position of a rotating central shaft, and then a corresponding set of motor and related structure are arranged, so that the efficiency is low, and the floor space is large, thereby the production cost is large. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a double -shaft side -by -side pay -off mechanism which can greatly improve the space utilization, reduce the production cost and save the production space.

[0006] The utility model discloses a double -shaft side -by -side pay -off mechanism, including frame and pay -off shaft A and pay -off shaft B, the pay -off shaft B is hollow shaft, pay -off shaft B is sleeved on pay -off shaft A and is connected with pay -off shaft A through rotating device, and one end of pay -off shaft B is connected with pay -off shaft B support through bearing, pay -off shaft B support is fixedly connected with frame, and pay -off shaft B is connected with motor B through power transmission device, and the second fixed device is connected with pay -off reel B on pay -off shaft B;

[0007] The one end of pay -off shaft A close to pay -off shaft B support is connected with motor A, and the one end of pay -off shaft A away from pay -off shaft B support is connected with pay -off reel A through first fixed device and is taken out from pay -off shaft B;

[0008] Rotary separation device is arranged between pay -off reel A and pay -off reel B;

[0009] Motor A and motor B are fixedly connected with frame.

[0010] Preferably, the power transmission device comprises a driving pulley and a driven pulley, the driving pulley is fixedly connected with the output shaft of the motor B, the driven pulley is fixedly sleeved on the unwinding shaft B, and the driving pulley and the driven pulley are connected through a belt.

[0011] Preferably, the first fixing device comprises a pair of taper sleeves A, the taper sleeves A are both sleeved on the unwinding shaft A, and the two taper sleeves are oppositely arranged, and the oppositely arranged ends of the two taper sleeves extend into the area between the unwinding disc A and the unwinding shaft A and abut against the two ends of the unwinding disc A.

[0012] Preferably, the unwinding shaft A is fixedly connected with an end lock at the end away from the unwinding shaft B support, and the ends of the two taper sleeves A away from each other abut against the end lock and the rotation separation device respectively.

[0013] Preferably, the second fixing device comprises an inner baffle and a taper sleeve B, the inner baffle and the taper sleeve B are arranged on the two sides of the unwinding disc B respectively, the inner baffle is fixedly arranged on the unwinding shaft B, one end of the unwinding disc B abuts against the inner baffle, the other end of the unwinding disc B abuts against one end of the taper sleeve B, and the other end of the taper sleeve B abuts against the rotation separation device.

[0014] Preferably, the rotation separation device comprises a rotation sleeve, the taper sleeve B comprises a sleeve segment and a taper sleeve segment fixedly connected, the taper sleeve segment abuts against the unwinding disc B, and the end of the sleeve segment away from the taper sleeve segment extends into the rotation sleeve and is rotationally connected with the rotation sleeve through a rotation bearing sleeved on the sleeve segment.

[0015] The end of the taper sleeve A abutting against the rotation separation device is annular, the end of the rotation sleeve close to the unwinding disc B is provided with an annular table, and the sleeve segment is provided with an annular shaft shoulder.

[0016] The end face of the inner ring of the rotation bearing abuts against the annular shaft shoulder, and the other end face of the inner ring of the rotation bearing abuts against a limiting ring piece fixedly arranged on the sleeve segment.

[0017] The end face of the outer ring of the rotation bearing abuts against the annular table, and the other end face of the outer ring of the rotation bearing abuts against the end of the taper sleeve A close to the rotation sleeve.

[0018] Preferably, the rotation device comprises a plurality of bearings, and the unwinding shaft B is rotationally connected with the unwinding shaft A through the bearings all sleeved on the unwinding shaft A.

[0019] Preferably, the motor A and the motor B are located on the same side of the rack, and the motor B and the unwinding shaft B support are located on the two sides of the rack respectively.

[0020] The utility model discloses simple structure utilizes the unwinding shaft B sleeve connection on unwinding shaft A, and unwinding shaft A and unwinding shaft B are connected with motor respectively, and unwinding shaft B and unwinding shaft A are provided unwinding reel respectively on, thereby can realize the independent rotation of two unwinding reels respectively in same axial rotation center, can save equipment space greatly. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of the utility model.

[0022] Figure 2 It is the sectional view of the utility model.

[0023] Figure 3 It is Figure 2 The enlarged view of middle A.

[0024] Figure 4 It is the whole schematic drawing of the utility model.

[0025] Figure 5 It is the schematic drawing after installing of the utility model.

[0026] Sign: 1-unwinding reel A, 2-unwinding reel B, 3-unwinding shaft A, 4-unwinding shaft B, 5-shaft end lock catch, 6-cone sleeve A, 7-cone sleeve B, 8-rotary bearing, 9-inner baffle, 10-unwinding shaft B support, 11-belt, 12-belt tension pulley, 13-motor B, 14-motor A, 15-rack. DETAILED DESCRIPTION

[0027] The utility model discloses a double -shaft side -by -side unwinding mechanism, including rack 15 and unwinding shaft A 3 and unwinding shaft B 4, unwinding shaft B 4 is hollow axle, unwinding shaft B 4 sleeve connection on unwinding shaft A 3 and is connected with unwinding shaft A 3 through rotating device, and one end of unwinding shaft B 4 is connected with unwinding shaft B support 10 through bearing, unwinding shaft B support 10 is fixedly connected with rack 15, and unwinding shaft B 4 is connected with motor B 13 through power transmission device, and unwinding reel B 2 is connected with unwinding reel B 2 through second fixed device on unwinding shaft B 4;

[0028] Unwinding shaft A 3 is connected with motor A 14 on one end close to unwinding shaft B support 10, and the one end of unwinding shaft A 3 away from unwinding shaft B support 10 is connected with unwinding reel A 1 through first fixed device and is led out from unwinding shaft B 4;

[0029] Rotary separation device is arranged between unwinding reel A 1 and unwinding reel B 2.

[0030] Motor A 14 and motor B 13 are fixedly connected with rack 15.

[0031] In use, the motor A14 drives the unwinding shaft A3 to rotate, and drives the unwinding reel A1 to rotate to realize unwinding of the welding strip on the unwinding reel A1. The motor B13 drives the unwinding shaft B4 to rotate, and drives the unwinding reel B2 to rotate to realize unwinding of the welding strip on the unwinding reel B2. The rotating separation device is arranged between the unwinding reel A1 and the unwinding reel B2, so that the unwinding reel A1 and the unwinding reel B2 can rotate independently and do not affect each other, thereby saving the equipment floor space.

[0032] In one embodiment, the power transmission device comprises a driving belt 11 wheel and a driven belt 11 wheel, the driving belt 11 wheel is fixedly connected with the output shaft of the motor B13, the driven belt 11 wheel is fixedly sleeved on the unwinding shaft B4, the driving belt 11 wheel and the driven belt 11 wheel are connected through the belt 11, and a belt tensioning wheel 12 is arranged on the belt 11 to ensure the reliability of power transmission. The motor B13 drives the driving belt 11 wheel to rotate, drives the driven belt 11 wheel to rotate through the belt 11 and the belt tensioning wheel 12, and drives the unwinding shaft B4 to rotate, thereby realizing unwinding of the welding strip by the unwinding reel B2.

[0033] In one embodiment, the first fixing device comprises a pair of taper sleeves A6, the taper sleeves A6 are both sleeved on the unwinding shaft A3, and the two taper sleeves are oppositely arranged, and the opposite ends of the two taper sleeves extend into the area between the unwinding reel A1 and the unwinding shaft A3 and abut against the two ends of the unwinding reel A1.

[0034] The unwinding shaft A3 is fixedly connected with an end lock 5 at the end away from the unwinding shaft B support 10, and the opposite ends of the two taper sleeves A6 respectively abut against the end lock 5 and the rotating separation device.

[0035] The second fixing device comprises an inner baffle 9 and a taper sleeve B7, the inner baffle 9 and the taper sleeve B7 are arranged on the two sides of the unwinding reel B2 respectively, the inner baffle 9 is fixedly arranged on the unwinding shaft B4, one end of the unwinding reel B2 abuts against the inner baffle 9, the other end of the unwinding reel B2 abuts against one end of the taper sleeve B7, and the other end of the taper sleeve B7 abuts against the rotating separation device.

[0036] The rotating separation device comprises a rotating sleeve, the taper sleeve B7 comprises a sleeve segment and a taper sleeve segment which are fixedly connected, the taper sleeve segment abuts against the unwinding reel B2, and the end of the sleeve segment away from the taper sleeve segment extends into the rotating sleeve and is rotatably connected with the rotating sleeve through the rotating bearing 8 sleeved on the sleeve segment;

[0037] The end of the taper sleeve A6 abutting against the rotating separation device is annular, the end of the rotating sleeve close to the unwinding reel B2 is provided with an annular table, and the sleeve segment is provided with an annular shaft shoulder;

[0038] The inner ring end face of the rotating bearing 8 abuts against the annular shaft shoulder, and the other end face of the inner ring of the rotating bearing 8 abuts against the limiting ring piece fixedly arranged on the sleeve segment;

[0039] The outer ring of the rotating bearing 8 abuts against the ring platform at one end, and the other end of the outer ring of the rotating bearing 8 abuts against the one end of the taper sleeve A6 close to the rotating sleeve.

[0040] The rotating device comprises a plurality of bearings, and the unwinding shaft B4 is connected in rotation with the unwinding shaft A3 through the bearings sleeved on the unwinding shaft A3.

[0041] The motor A14 and the motor B13 are located on the same side of the frame 15, and the motor B13 and the unwinding shaft B support 10 are located on the two sides of the frame 15 respectively.

[0042] In use, the unwinding shaft B support 10 is installed on the front of the frame 15, and two sets of bearings are arranged in the unwinding shaft B support 10;

[0043] One end of the unwinding shaft B4 is installed on the bearing in the unwinding shaft B support 10, the unwinding shaft B4 is a hollow shaft, and the outer ring of the shaft end is sleeved with a driven belt 11 wheel; the unwinding shaft B4 is connected with the driving belt 11 wheel on the motor B13 through the belt 11, and the rotation of the unwinding shaft B4 can be realized through the connection of the motor B13 being electrified;

[0044] The unwinding shaft A3 is an elongated shaft, which is passed through the center of the unwinding shaft B4 and directly connected with the motor A14 on the frame 15, wherein the frame 15 has bearings as auxiliary supports, and the unwinding shaft A3 and the unwinding shaft B4 have bearings as auxiliary supports in the middle, which do not affect the rotation movement between each other, and can increase the rigidity of the overall cantilever structure and reduce the deformation of the overall structure;

[0045] The inner baffle 9 is installed on the unwinding shaft B4 and is an inner baffle of the unwinding disc A;

[0046] The unwinding disc B2 and the unwinding disc A1 are separated by a rotating separation device, and the rotating separation device comprises a taper sleeve A6, a taper sleeve B7 and a rotating bearing 8, wherein the taper sleeve A6 is mainly used for axially clamping the unwinding disc A1, and the taper sleeve A6 is connected with the outer ring of the rotating bearing 8; the taper sleeve B7 is mainly used for axially clamping the unwinding disc B2, and the taper sleeve B7 is connected with the inner ring of the rotating bearing 8;

[0047] The shaft end lock 5 is a fixing member for axially locking the outermost ring, and the unwinding disc A1, the taper sleeve A6, the rotating bearing 8, the taper sleeve B7, the unwinding disc B2 and the inner baffle 9 are clamped in sequence by the handle, so that the unwinding disc A1 and the unwinding disc B2 are clamped in the axial direction. The inner and outer rings of the bearing of the rotating separation device are connected separately, so that the unwinding disc A1 can rotate alone when the motor A14 rotates, and the unwinding disc B2 can rotate alone when the motor B13 rotates.

[0048] The unwinding disc A1 and the unwinding disc B2 are the winding wheels of the welding strip.

Claims

1. A dual-axle side-by-side unwinding mechanism comprising a frame and an unwinding shaft A and an unwinding shaft B, characterized in that, The unwinding shaft B is a hollow shaft. The unwinding shaft B is sleeved on the unwinding shaft A and connected to the unwinding shaft A through a rotating device. One end of the unwinding shaft B is connected to the unwinding shaft B support through a bearing. The unwinding shaft B support is fixedly connected to the frame. The unwinding shaft B is connected to the motor B through a power transmission device. The unwinding reel B is connected to the unwinding shaft B through a second fixing device. The unwinding shaft A is connected to a motor A at one end near the support of the unwinding shaft B, and the unwinding shaft A is connected to an unwinding reel A at the other end away from the support of the unwinding shaft B through the unwinding shaft B and via the first fixing device. A rotating separator is provided between the unwinding reel A and the unwinding reel B; Both motor A and motor B are fixedly connected to the frame.

2. A dual shaft side-by-side pay-off mechanism according to claim 1, characterized in that, The power transmission device includes a driving pulley and a driven pulley. The driving pulley is fixedly connected to the output shaft of the motor B, and the driven pulley is fixedly sleeved on the unwinding shaft B. The driving pulley and the driven pulley are connected by a belt.

3. The dual shaft side-by-side spooling mechanism of claim 1 wherein, The first fixing device includes a pair of conical sleeves A, each of which is sleeved on the unwinding shaft A, and the two conical sleeves are arranged facing each other. One end of the two conical sleeves extends into the area between the unwinding reel A and the unwinding shaft A and abuts against both ends of the unwinding reel A.

4. The dual shaft side-by-side spooling mechanism of claim 3, wherein, A shaft end lock is fixedly connected to the end of the unwinding shaft A away from the support of the unwinding shaft B, and the ends of the two tapered sleeves A that are far apart from each other abut against the shaft end lock and the rotating separation device, respectively.

5. The dual shaft side-by-side spooling mechanism of claim 4 wherein, The second fixing device includes an inner baffle and a cone sleeve B. The inner baffle and the cone sleeve B are respectively disposed on both sides of the unwinding reel B. The inner baffle is fixedly disposed on the unwinding shaft B. One end of the unwinding reel B abuts against the inner baffle, and the other end of the unwinding reel B abuts against one end of the cone sleeve B. The other end of the cone sleeve B abuts against the rotating separator.

6. The dual shaft side-by-side spooling mechanism of claim 5, wherein, The rotating separator includes a rotating sleeve, and the conical sleeve B includes a sleeve section and a conical sleeve section that are fixedly connected. The conical sleeve section abuts against the unwinding reel B, and the end of the sleeve section away from the conical sleeve section extends into the rotating sleeve and is rotatably connected to the rotating sleeve through a rotating bearing sleeved on the sleeve section. The end of the cone sleeve A that abuts against the rotating separation device is annular, and an annular platform is provided on the end of the rotating sleeve near the unwinding reel B, and an annular shoulder is provided on the sleeve section. One end face of the inner ring of the rotary bearing abuts against the annular shoulder, and the other end face of the inner ring of the rotary bearing abuts against the limiting ring plate fixedly set on the sleeve section. One end face of the outer ring of the rotary bearing abuts against the ring platform, and the other end face of the outer ring of the rotary bearing abuts against the end of the tapered sleeve A near the rotating sleeve.

7. The dual shaft side-by-side spooling mechanism of claim 1 wherein, The rotating device includes multiple bearings, and the unwinding shaft B is rotatably connected to the unwinding shaft A through bearings that are all sleeved on the unwinding shaft A.

8. The dual shaft side-by-side spooling mechanism of claim 1 wherein, Motor A and Motor B are located on the same side of the frame, and the support for Motor B and the unwinding shaft B are located on opposite sides of the frame.

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