阅读说明：本技术 压延机接应辊的旋转接头连接机构 (Rotary joint connecting mechanism of calender receiving roller ) 是由 夏鹏华 彭丹进 王松 张奎 梁超帝 郭哲 何思源 俞泽田 赵意 陈见 于 2019-12-09 设计创作，主要内容包括：本发明公开了一种压延机接应辊的旋转接头连接机构,涉及压延机领域,包括辊子、旋转接头、第一连接装置、第二连接装置；所述辊子的内部开设有凸台定位孔,所述凸台定位孔与所述辊子同轴设置；所述旋转接头包括主轴,所述主轴与所述辊子同轴设置；所述第一连接装置包括连接法兰、凸台；所述连接法兰的一侧与所述主轴固定连接,另一侧固定连接有凸台,所述凸台与所述主轴同轴设置；所述凸台嵌入在所述凸台定位孔中；所述第二连接装置与所述辊子固定连接,所述第一连接装置与所述第二连接装置固定连接。本发明的优点在于：能够保证旋转接头与接应辊的轴线重合,避免接应辊转动过程中旋转接头出现摆动。(The invention discloses a rotary joint connecting mechanism of a receiving roller of a calender, which relates to the field of calenders and comprises a roller, a rotary joint, a first connecting device and a second connecting device; a boss positioning hole is formed in the roller and is coaxial with the roller; the rotary joint comprises a main shaft, and the main shaft is coaxially arranged with the roller; the first connecting device comprises a connecting flange and a boss; one side of the connecting flange is fixedly connected with the main shaft, the other side of the connecting flange is fixedly connected with a boss, and the boss and the main shaft are coaxially arranged; the boss is embedded in the boss positioning hole; the second connecting device is fixedly connected with the roller, and the first connecting device is fixedly connected with the second connecting device. The invention has the advantages that: can guarantee rotary joint and meet the axis coincidence of roller, avoid meeting and to meet roller rotation in-process rotary joint and appear the swing.)

1. The utility model provides a rotary joint coupling mechanism of calender receiving roller which characterized in that: comprises a roller (1), a rotary joint (3), a first connecting device (4) and a second connecting device (5); the shaft head of one side of the roller (1) along the axis direction is a transmission side shaft head, a boss positioning hole (12) is formed in the roller (1), the boss positioning hole (12) is coaxially arranged with the roller (1), and an inlet of the boss positioning hole (12) is positioned on the end face of the shaft head of the transmission side of the roller (1); the rotary joint (3) comprises a main shaft (31), the main shaft (31) and the roller (1) are coaxially arranged, and one end of the main shaft (31) along the axial direction is a water supply end; the first connecting device (4) comprises a connecting flange (41) and a boss (42); one side end face of the connecting flange (41) is fixedly connected with the water supply end face of the main shaft (31), the other side end face of the connecting flange is fixedly connected with a boss (42), and the boss (42) and the main shaft (31) are coaxially arranged; the boss (42) is embedded in the boss positioning hole (12), and the periphery of the side surface of the boss (42) is in contact with the periphery of the side surface of the boss positioning hole (12); the second connecting device (5) is fixedly connected with the roller (1), and the first connecting device (4) is fixedly connected with the second connecting device (5).

2. The mechanism of claim 1 for connecting the rotary joints of calender receiving rolls, wherein: the depth of the boss positioning hole (12) is larger than the thickness of the boss (42).

3. The mechanism of claim 1 for connecting the rotary joints of calender receiving rolls, wherein: the sealing structure is characterized in that a sealing groove (45) is formed in one surface, fixed with the boss (42), of the connecting flange (41), the sealing groove (45) surrounds the outer ring of the boss (42), and a sealing ring is arranged in the sealing groove (45).

4. The mechanism of claim 1 for connecting the rotary joints of calender receiving rolls, wherein: the connecting flange (41) is provided with a plurality of second connecting holes (44), and each second connecting hole (44) surrounds the outer ring of the main shaft (31); the second connecting device (5) is provided with a mounting hole (51), the mounting hole (51) penetrates through the second connecting device (5), and the second connecting device (5) is sleeved on the outer ring of the roller (1) through the mounting hole (51); one end of the second connecting device (5) close to the shaft head at the transmission side of the roller (1) in two ends in the axis direction is a connecting end, a plurality of third connecting holes (53) are formed in the end face of the connecting end of the second connecting device (5), each third connecting hole (53) surrounds the outer ring of the mounting hole (51) and is arranged corresponding to each second connecting hole (44), each second fastening piece is connected to each second connecting hole (44) and the corresponding third connecting hole (53), and the first connecting device (4) is fixedly connected with the second connecting device (5); a gap is arranged between one surface of the connecting flange (41) fixed with the boss (42) and the end face of the connecting end of the second connecting device (5).

5. The mechanism of claim 1 for connecting the rotary joints of calender receiving rolls, wherein: the second connecting device (5) is provided with a mounting hole (51), the mounting hole (51) penetrates through the second connecting device (5), and the second connecting device (5) is sleeved on the outer ring of the roller (1) through the mounting hole (51); a first key groove (13) is formed in the outer side wall of a transmission side shaft head of the roller (1); second keyway (52) have been seted up on the inner wall of mounting hole (51), first keyway (13) are located in mounting hole (51) and with second keyway (52) set up relatively, and the both sides of flat key are connected respectively in first keyway (13) with in second keyway (52), will second connecting device (5) with roller (1) key-type connection.

6. The mechanism of claim 5 for connecting the rotary joints of calender receiving rolls, wherein: the mounting hole (51) comprises a roller mounting hole (511) and a fixing device mounting hole (512), the sectional dimension of the roller mounting hole (511) is smaller than that of the fixing device mounting hole (512), and the roller mounting hole (511) and the fixing device mounting hole (512) are connected in a stepped shape along the axial direction of the mounting hole (51); a second key groove (52) is formed in the inner wall of the roller mounting hole (511), and the first key groove (13) is located in the roller mounting hole (511) and is opposite to the second key groove (52); the rotary joint connecting mechanism of the calender receiving roller further comprises a fixing device (6), wherein the fixing device (6) is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1), and the fixing device (6) is used for fixing the axial position of the second connecting device (5).

7. The mechanism of claim 6 for connecting the rotary joints of calender receiving rolls, wherein: the fixing device (6) comprises an expansion sleeve, the expansion sleeve is annular, the expansion sleeve is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1), and the expansion sleeve is expanded between the roller (1) and the inner wall of the fixing device mounting hole (512).

8. The mechanism of claim 6 for connecting the rotary joints of calender receiving rolls, wherein: the second connecting device (5) is also provided with a plurality of Harvard block fixing holes (54), and each Harvard block fixing hole (54) surrounds the outer ring of the fixing device mounting hole (512) and penetrates through the side wall of the second connecting device (5); the fixing device (6) comprises a Harvard block (61) and a pressing device (62); a plurality of Harvard blocks (61) are spliced to form an annular fixed ring, a gap is formed between every two adjacent Harvard blocks (61), and the fixed ring is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1); each half block (61) corresponds to one half block fixing hole (54), and each pressing device (62) penetrates through one half block fixing hole (54) to press the corresponding half block (61) on the roller (1).

9. The mechanism of claim 8 for connecting the rotational joints of calender receiving rolls, wherein: the roller (1) is further provided with a Harvard block positioning groove (14), the Harvard block positioning groove (14) is annular, the Harvard block positioning groove (14) surrounds one circle of the outer side wall of the roller (1) and is positioned in the fixing device mounting hole (512), and the cross-sectional size of the Harvard block positioning groove (14) is gradually increased from the bottom surface to the opening; each Harvard block (61) is respectively embedded into the Harvard block positioning groove (14), and the cross section shape of each Harvard block (61) is matched with that of the corresponding Harvard block positioning groove (14); one surface, located on the outer ring of the fixed ring, of each half block (61) is provided with a pressing groove (611), the pressing grooves (611) in the half blocks (61) are surrounded into a ring shape, and one end, pressed on the half blocks (61), of each pressing device (62) is embedded into the pressing grooves (611); the cross-sectional dimension of the pressing groove (611) is gradually increased from the bottom surface to the opening, and the cross-sectional shape of one end of each pressing device (62) pressing on the Harvard block (61) is matched with the cross-sectional shape of the pressing groove (611).

10. The mechanism of claim 6 for connecting the rotary joints of calender receiving rolls, wherein: the roller (1) is also provided with a stop block positioning groove (15), the stop block positioning groove (15) is annular, and the stop block positioning groove (15) surrounds one circle of the outer side wall of the roller (1) and is positioned in the fixing device mounting hole (512); the fixing device (6) comprises a plurality of stop blocks, each stop block is spliced into an annular check ring, and the check ring is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1); each block is embedded into the block positioning groove (15), two sides of each block are in contact with two sides of the block positioning groove (15), and the outer ring of the check ring is in contact with the inner wall of the fixing device mounting hole (512).

Technical Field

The invention relates to the field of calenders, in particular to a rotary joint connecting mechanism of a calender receiving roller.

Background

In a photovoltaic rolled glass production line, a glass calender is a special core device for rolled glass production. The calender is installed at the exit of melting furnace, and the theory of operation is through the upper and lower calendering roller with glass extrusion into the glass area of required thickness, through the conveying of receiving roller and transition roller platform, send into the annealing kiln with continuous glass area and anneal the cooling, realize photovoltaic calendering glass's production. Each calender is generally provided with three receiving rollers, the receiving rollers are arranged behind the lower calendering roller and are responsible for receiving and delivering the calendered glass ribbon formed by the calendering rollers, and the thickness of the glass ribbon can be further adjusted by adjusting the rotating speed of the three receiving rollers. The temperature of the glass ribbon passing through the receiving roller reaches 700-800 ℃, the receiving roller usually adopts an internal water cooling structure, and a rotary joint for cooling water inlet is arranged on the transmission side of the receiving roller. The current rotary joint adopts threaded connection with the connected mode that connects to answer the roller, and the screw thread is revolved to the atress direction unanimous with the direction of rotation, makes the screw thread not hard up can not appear among the rotation process, but adopts the threaded connection mode to be difficult to guarantee the axis coincidence of rotary joint and connecing the roller, makes to connect to answer roller rotation in-process rotary joint the swing appears, causes to connect to answer roller rotational speed unstability and have vibrations. The operation precision of the receiving roller is of great importance to the quality of glass thickness, surface and the like, the condition that the rotating speed of the receiving roller is unstable and the receiving roller vibrates is very unfavorable for the production of the photovoltaic rolled glass, and the problem is particularly obvious when the 1.5mm ultrathin photovoltaic rolled glass is produced.

Disclosure of Invention

The invention aims to solve the technical problem of providing a rotary joint connecting mechanism of a calender receiving roller, which can ensure that the axes of a rotary joint and the receiving roller are coincident and avoid the rotary joint from swinging in the rotation process of the receiving roller.

The invention solves the technical problems through the following technical means: the rotary joint connecting mechanism of the calender receiving roller comprises a roller (1), a rotary joint (3), a first connecting device (4) and a second connecting device (5); the shaft head of one side of the roller (1) along the axis direction is a transmission side shaft head, a boss positioning hole (12) is formed in the roller (1), the boss positioning hole (12) is coaxially arranged with the roller (1), and an inlet of the boss positioning hole (12) is positioned on the end face of the shaft head of the transmission side of the roller (1); the rotary joint (3) comprises a main shaft (31), the main shaft (31) and the roller (1) are coaxially arranged, and one end of the main shaft (31) along the axial direction is a water supply end; the first connecting device (4) comprises a connecting flange (41) and a boss (42); one side end face of the connecting flange (41) is fixedly connected with the water supply end face of the main shaft (31), the other side end face of the connecting flange is fixedly connected with a boss (42), and the boss (42) and the main shaft (31) are coaxially arranged; the boss (42) is embedded in the boss positioning hole (12), and the periphery of the side surface of the boss (42) is in contact with the periphery of the side surface of the boss positioning hole (12); the second connecting device (5) is fixedly connected with the roller (1), and the first connecting device (4) is fixedly connected with the second connecting device (5). The boss positioning hole and the boss are matched to play a positioning role, the boss positioning hole and the roller are coaxially arranged, the boss and the main shaft are coaxially arranged, the side surface of the boss is in one-circle contact with the side surface of the boss positioning hole, the main shaft of the rotary joint can be ensured to be coincided with the axis of the roller, and the rotary joint is prevented from swinging in the rotating process of the receiving roller.

As an optimized technical scheme, the depth of the boss positioning hole (12) is larger than the thickness of the boss (42). The boss can be embedded into the boss positioning hole completely, the face, fixed with the boss, of the connecting flange can be in close contact with the end face of the shaft head on the transmission side of the roller, the structure is more stable, and the rotary joint is prevented from loosening.

As an optimized technical scheme, a sealing groove (45) is formed in one surface, fixed with the boss (42), of the connecting flange (41), the sealing groove (45) surrounds the outer ring of the boss (42), and a sealing ring is arranged in the sealing groove (45). The sealing ring plays a role in sealing and prevents water leakage.

As an optimized technical scheme, a plurality of second connecting holes (44) are formed in the connecting flange (41), and each second connecting hole (44) surrounds the outer ring of the main shaft (31); the second connecting device (5) is provided with a mounting hole (51), the mounting hole (51) penetrates through the second connecting device (5), and the second connecting device (5) is sleeved on the outer ring of the roller (1) through the mounting hole (51); one end of the second connecting device (5) close to the shaft head at the transmission side of the roller (1) in two ends in the axis direction is a connecting end, a plurality of third connecting holes (53) are formed in the end face of the connecting end of the second connecting device (5), each third connecting hole (53) surrounds the outer ring of the mounting hole (51) and is arranged corresponding to each second connecting hole (44), each second fastening piece is connected to each second connecting hole (44) and the corresponding third connecting hole (53), and the first connecting device (4) is fixedly connected with the second connecting device (5); a gap is arranged between one surface of the connecting flange (41) fixed with the boss (42) and the end face of the connecting end of the second connecting device (5). The end face of the shaft head at the transmission side of the roller protrudes out of the end face of the connecting end of the second connecting device, so that a gap exists between one face, fixed with a boss, of the connecting flange and the end face of the connecting end of the second connecting device, the face, fixed with the boss, of the connecting flange can be in close contact with the end face of the shaft head at the transmission side of the roller, the structure is more stable, and the rotary joint is prevented from loosening.

As an optimized technical scheme, a mounting hole (51) is formed in the second connecting device (5), the mounting hole (51) penetrates through the second connecting device (5), and the second connecting device (5) is sleeved on the outer ring of the roller (1) through the mounting hole (51); a first key groove (13) is formed in the outer side wall of a transmission side shaft head of the roller (1); second keyway (52) have been seted up on the inner wall of mounting hole (51), first keyway (13) are located in mounting hole (51) and with second keyway (52) set up relatively, and the both sides of flat key are connected respectively in first keyway (13) with in second keyway (52), will second connecting device (5) with roller (1) key-type connection. The second connecting device is in key connection with the roller, so that transmission of driving torque can be guaranteed.

As an optimized technical scheme, the mounting hole (51) comprises a roller mounting hole (511) and a fixing device mounting hole (512), the sectional dimension of the roller mounting hole (511) is smaller than that of the fixing device mounting hole (512), and the roller mounting hole (511) and the fixing device mounting hole (512) are connected in a stepped shape along the axial direction of the mounting hole (51); a second key groove (52) is formed in the inner wall of the roller mounting hole (511), and the first key groove (13) is located in the roller mounting hole (511) and is opposite to the second key groove (52); the rotary joint connecting mechanism of the calender receiving roller further comprises a fixing device (6), wherein the fixing device (6) is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1), and the fixing device (6) is used for fixing the axial position of the second connecting device (5). The axial position of the second connecting device is fixed by the fixing device, so that the second connecting device is prevented from moving towards the first connecting device to cause the tight contact between the surface of the connecting flange, which is fixed with the boss, and the end face of the shaft head on the transmission side of the roller to loosen.

As an optimized technical scheme, the fixing device (6) comprises an expansion sleeve, the expansion sleeve is annular, the expansion sleeve is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1), and the expansion sleeve is expanded and tightly arranged between the roller (1) and the inner wall of the fixing device mounting hole (512). The expansion sleeve can ensure that the axial position of the second connecting device is fixed.

As an optimized technical scheme, a plurality of Harvard block fixing holes (54) are further formed in the second connecting device (5), and each Harvard block fixing hole (54) surrounds the outer ring of the fixing device mounting hole (512) and penetrates through the side wall of the second connecting device (5); the fixing device (6) comprises a Harvard block (61) and a pressing device (62); a plurality of Harvard blocks (61) are spliced to form an annular fixed ring, a gap is formed between every two adjacent Harvard blocks (61), and the fixed ring is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1); each half block (61) corresponds to one half block fixing hole (54), and each pressing device (62) penetrates through one half block fixing hole (54) to press the corresponding half block (61) on the roller (1). The axial position of the second connecting device can be ensured to be fixed through the half block and the pressing device.

As an optimized technical scheme, a Harvard block positioning groove (14) is further formed in the roller (1), the Harvard block positioning groove (14) is annular, the Harvard block positioning groove (14) surrounds one circle of the outer side wall of the roller (1) and is located in the fixing device mounting hole (512), and the cross-sectional size of the Harvard block positioning groove (14) is gradually increased from the bottom surface to the opening; each Harvard block (61) is respectively embedded into the Harvard block positioning groove (14), and the cross section shape of each Harvard block (61) is matched with that of the corresponding Harvard block positioning groove (14); one surface, located on the outer ring of the fixed ring, of each half block (61) is provided with a pressing groove (611), the pressing grooves (611) in the half blocks (61) are surrounded into a ring shape, and one end, pressed on the half blocks (61), of each pressing device (62) is embedded into the pressing grooves (611); the cross-sectional dimension of the pressing groove (611) is gradually increased from the bottom surface to the opening, and the cross-sectional shape of one end of each pressing device (62) pressing on the Harvard block (61) is matched with the cross-sectional shape of the pressing groove (611). The both sides of haversian block and the both sides in close contact with of haversian block constant head tank, closing device press on haversian block one end and the bottom surface and the both sides in close contact with in pressing tightly the groove, ensure that the retainer plate installation is firm.

As an optimized technical scheme, a stop block positioning groove (15) is further formed in the roller (1), the stop block positioning groove (15) is annular, and the stop block positioning groove (15) surrounds one circle of the outer side wall of the roller (1) and is located in the fixing device mounting hole (512); the fixing device (6) comprises a plurality of stop blocks, each stop block is spliced into an annular check ring, and the check ring is arranged in the fixing device mounting hole (512) and sleeved on the outer ring of the roller (1); each block is embedded into the block positioning groove (15), two sides of each block are in contact with two sides of the block positioning groove (15), and the outer ring of the check ring is in contact with the inner wall of the fixing device mounting hole (512). The stop can ensure that the axial position of the second connecting device is fixed.

The invention has the advantages that: the main shaft of the rotary joint can be ensured to be superposed with the axis of the roller, and the rotary joint is prevented from swinging in the rotation process of the receiving roller; the key connection can ensure the transmission of the driving torque; the surface of the connecting flange, which is fixed with the lug boss, can be ensured to be in close contact with the end face of the shaft head at the transmission side of the roller, and the loosening of the rotary joint is prevented.

Drawings

Fig. 1 is a schematic partial cross-sectional view of a prior art rotary joint connection for a calender receiving roll.

Fig. 2 is a schematic partial cross-sectional view of a rotary joint connection mechanism of a calender receiving roll according to an embodiment of the invention.

FIG. 3 is a schematic partial cross-sectional view of a roller according to a first embodiment of the invention.

Fig. 4 is a partially sectional view schematically showing the connection between the rotary joint and the first connecting means according to the first embodiment of the present invention.

Fig. 5 is a right-side view schematically illustrating a first connecting device according to a first embodiment of the invention.

Fig. 6 is a left side view schematically illustrating a second connecting device according to a first embodiment of the invention.

Fig. 7 is a schematic cross-sectional view of a second connecting device according to a first embodiment of the invention.

Fig. 8 is a schematic partial cross-sectional view of a rotary joint connection mechanism of a second calender receiving roll according to an embodiment of the invention.

FIG. 9 is a schematic partial cross-sectional view of a roller according to a second embodiment of the present invention.

Fig. 10 is a left side view schematically showing a second connecting device according to a second embodiment of the present invention.

Fig. 11 is a schematic cross-sectional view of a second connecting device according to a second embodiment of the present invention.

Fig. 12 is a partially enlarged schematic view of the pressing device of the second embodiment of the present invention pressing the harbour block against the roller.

Fig. 13 is an axial view of a retainer ring according to a second embodiment of the present invention.

FIG. 14 is an axial view of a Harvard block according to a second embodiment of the present invention.

Fig. 15 is a schematic partial cross-sectional view of a rotary joint connection of a three calender receiving roll according to an embodiment of the invention.

FIG. 16 is a schematic partial cross-sectional view of a roller according to a third embodiment of the present invention.

Fig. 17 is a left side view schematically showing a second connecting device according to a third embodiment of the present invention.

Fig. 18 is a schematic cross-sectional view of a second connecting device according to a third embodiment of the present invention.

Fig. 19 is a schematic axial view of a retainer ring according to a third embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the conventional calender receiving roll includes a roll 1, a support bearing 2, and a rotary joint 3; a cooling water channel 11 is formed in the roller 1, and an inner thread is formed at the inlet of the cooling water channel 11; the two supporting bearings 2 are respectively and fixedly connected to the mounting platform of the receiving roller, the roller 1 is connected in the bearing holes of the two supporting bearings 2, and the supporting bearings 2 support the roller 1 to rotate; and the main shaft of the rotary joint 3 is provided with an external thread, and the roller 1 and the rotary joint 3 are connected with the internal thread in a matching way through the external thread.