Roller device and weld bead leveling equipment applying same

Abstract

The utility model relates to a roller device and weld bead leveling equipment applying the same, which comprise a base and a roller assembly detachably mounted on the base, and the base comprises a base left side arm and a base right side arm which are separately arranged left and right; the roller assembly comprises a left side support arm and a right side support arm which are separately arranged left and right, a handle arm and a support shaft which are respectively connected between the left side support arm and the right side support arm, and a roller wheel arranged on the support shaft, and the handle arm and the roller wheel are arranged at an interval; the left side supporting arm is detachably installed on the base body left side arm, and the right side supporting arm is detachably installed on the base body right side arm. In this way, a worker can hold the handle arm by hand to disassemble or assemble the whole roller assembly containing the roller and the supporting shaft on the base, and operation is very convenient and fast.

Description

Technical Field

[0001] The invention relates to a roller tool and weld bead leveling equipment using the roller tool. Background Art

[0002] In order to level the weld on the weld pipe, a weld leveling device is often used. The roller on the weld leveling device rolls back and forth relative to the weld pipe to squeeze the weld to make the weld smooth. After long-term rolling and squeezing, the rollers, support shafts and other accessories will inevitably be worn, scratched or deformed, and need to be disassembled for maintenance and replacement. In order to cooperate with the above operations, the weld leveling device needs to stop operating. By the time the maintenance and replacement work is completed, the convenience of the above disassembly and assembly operations will affect the production efficiency of the weld leveling device. Prior patent CN201820051441.8 proposed an easy-to-maintain stainless steel welded pipe leveling mechanism, including a frame, in which a first V-shaped roller and a second V-shaped roller are arranged relatively, the first V-shaped roller and the second V-shaped roller are both connected to a driving mechanism, the first V-shaped roller and the second V-shaped roller are both fixed on a U-shaped plate, the U-shaped plate is provided with a fixing groove that matches the axis of the corresponding first V-shaped roller or the axis of the second V-shaped roller, and the axis of the first V-shaped roller or the axis of the second V-shaped roller is fixed in the fixing groove by a fixing plate that is detachably connected to the fixing groove. If the first V-shaped roller or the second V-shaped roller is deformed, the first V-shaped roller or the second V-shaped roller can be removed by removing the fixing plate. However, during disassembly, the roller and its supporting shaft, bearings and other accessories are often removed by lifting the roller. Since the roller is relatively large, the supporting shaft, bearings and other accessories are loosely installed and are easy to loosen and fall from the hands of workers during the disassembly process. On the one hand, it is easy to cause damage to the roller, supporting shaft, bearings, etc., and on the other hand, there is a possibility of injuring workers, which poses a safety hazard. Summary of the invention

[0003] In view of the above-mentioned technical difficulties in the prior art, the present invention proposes a roller device, characterized in that it includes a base and a roller assembly detachably mounted on the base, the base includes a left arm of a seat body and a right arm of a seat body disposed left and right, the roller assembly includes a left support arm and a right support arm disposed left and right, a hand arm and a support shaft respectively connected between the left support arm and the right support arm, and a roller arranged on the support shaft, the hand arm and the roller are arranged at intervals; the left support arm is detachably mounted on the left arm of the seat body, and the right support arm is detachably mounted on the right arm of the seat body.

[0004] According to the above technical scheme, compared with the prior art, the beneficial technical effect of the present invention is that: since the hand-held arm is connected between the left support arm and the right support arm, the hand-held arm is connected with the left support arm and the right support arm to form a stable mounting frame. Before being installed on the base, the roller and the support shaft are pre-installed on the mounting frame and integrated into the roller assembly. When the roller and the support shaft need to be disassembled or installed, the hand-held arm can become the force application point for lifting the roller assembly. The worker can disassemble or install the entire roller assembly including the roller and the support shaft on the base by holding the hand-held arm. The operation is very convenient, which is beneficial to shortening the downtime waiting time of the equipment using the roller device. Moreover, since the roller and the support shaft can be stably assembled together using the mounting frame, they are not easy to become loose and fall and be damaged during the disassembly and installation process, and are not easy to fall and injure the workers.

[0005] A further technical solution may also be that a left-side sliding groove type detachable mechanism is provided between the left-side support arm and the left-side arm of the seat body, and the left-side sliding groove type detachable mechanism includes a left mounting groove provided on one of the left-side support arm and the left-side arm of the seat body, and a left-side insertion portion provided on the other, the head end of the left mounting groove is open to form a left groove end opening, and the left-side insertion portion can be detachably inserted into the left mounting groove through the left groove end opening.

[0006] A further technical solution may be that the left insertion portion is square and is arranged on the left support arm, and the left mounting groove is a square groove and is arranged on the inner wall of the left arm of the seat body.

[0007] A further technical solution may also be that a right-side sliding groove type detachable mechanism is provided between the right-side support arm and the right-side arm of the seat body, and the right-side sliding groove type detachable mechanism includes a right mounting groove provided on one of the right-side support arm and the right-side arm of the seat body, and a right-side insertion portion provided on the other, the head end of the right mounting groove is open to form a right groove end opening, and the right-side insertion portion can be detachably inserted into the right mounting groove through the right groove end opening.

[0008] A further technical solution may be that the right insertion portion is square and is arranged on the right support arm, and the right mounting groove is a square groove and is arranged on the inner wall of the right arm of the seat body.

[0009] A further technical solution may also include a blocking member that can be connected to the base, and the blocking member can be arranged at a position to prevent the roller assembly from leaving the base, and can also be arranged at a position to allow the roller assembly to leave the base.

[0010] A further technical solution may be that a left wall through hole is opened on the left support arm, and the left shaft extension end of the support shaft is radially positioned in the left wall through hole; a right wall through hole is opened on the right support arm, and the right shaft extension end of the support shaft is radially positioned in the right wall through hole; the roller is rotatably arranged on the support shaft through a bearing.

[0011] A further technical solution may also be that a left sleeve and a right sleeve are respectively provided at the left and right ends of the support shaft, and the bearing includes a left thrust needle roller bearing and a right thrust needle roller bearing which are separated on the left and right sides; the left sleeve is pressed between the left side arm of the seat body and the outer ring of the left thrust needle roller bearing, and the inner ring of the left thrust needle roller bearing is pressed on the left side wall of the roller; the right sleeve is pressed between the right side arm of the seat body and the outer ring of the right thrust needle roller bearing, and the inner ring of the right thrust needle roller bearing is pressed on the right side wall of the roller.

[0012] The present invention also proposes a weld leveling device using a roller device, characterized in that it includes the roller device and a lifting drive device that drives the roller device to lift and move, and the output shaft of the lifting drive device is transmission-connected to the base.

[0013] A further technical solution may also include a frame bracket, wherein the frame bracket includes a left frame and a right frame separated into left and right parts, the outer side wall of the left side arm of the seat body is provided with a left sliding groove extending in the up-down direction and with the groove facing the left side, and the left sliding groove embraces and is slidably arranged on the left side frame; the outer side wall of the right side arm of the seat body is provided with a right sliding groove extending in the up-down direction and with the groove facing the right side, and the right sliding groove embraces and is slidably arranged on the right side frame.

[0014] Since the present invention has the above characteristics and advantages, it can be applied to a roller device and a weld bead leveling device using the roller device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a roller device to which the technical solution of the present invention is applied;

[0016] Figure 2 is a schematic diagram of the exploded structure of the roller apparatus;

[0017] Figure 3 is a structural schematic diagram of the roller apparatus in the main viewing direction;

[0018] Figure 4 yes Figure 3 A schematic cross-sectional structure diagram along the AA direction in FIG. 1 , wherein the dotted line portion in the figure represents the left frame body 51 a and the right frame body 51 b;

[0019] Figure 5yes Figure 4 Schematic diagram of the cross-sectional structure in the BB direction;

[0020] Figure 6 It is a three-dimensional structural schematic diagram of a weld leveling device using a roller device. DETAILED DESCRIPTION

[0021] The structure of the roller apparatus and the weld bead leveling equipment using the roller apparatus according to the technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 5 As shown, a roller device 100 includes a base 1 and a roller assembly 2 detachably mounted on the base 1, wherein the base 1 includes a left arm 11a of a seat body and a right arm 11b of a seat body, the roller assembly 2 includes a left support arm 21a and a right support arm 21b, respectively, connected between the left support arm 21a and the right support arm 21b, and a roller 24 arranged on the support shaft 25, wherein the hand arm 23 and the roller 24 are arranged at intervals; the left support arm 21a is detachably mounted on the left arm 11a of the seat body, and the right support arm 21b is detachably mounted on the right arm 11b of the seat body.

[0023] The space between the left arm 11a of the seat body and the right arm 11b of the seat body is defined as the inner space. Accordingly, the inner wall of the left arm 11a of the seat body refers to the wall on the left arm 11a of the seat body facing the inner space, and the wall on the other side is the outer wall; the inner wall of the right arm 11b of the seat body refers to the wall on the right arm 11b of the seat body facing the inner space, and the wall on the other side is the outer wall.

[0024] In order to realize that the left side arm 21a can be detachably mounted on the left side arm 11a of the seat body, the following technical solution can be further adopted: a left side sliding groove type detachable mechanism is provided between the left side arm 21a and the left side arm 11a of the seat body, and the left side sliding groove type detachable mechanism includes a left mounting groove 111a provided on one of the left side arm 21a and the left side arm 11a of the seat body, and a left side insertion portion provided on the other side, the head end of the left mounting groove 111a is open to form a left groove end opening 1110a, and the left side insertion portion can be detachably inserted into the left mounting groove 111a through the left groove end opening 1110a. In this embodiment, the left side insertion portion is square and is provided on the left side arm 21a, and even the left side arm 21a directly becomes the left side insertion portion, and the left mounting groove 111a is a square groove and is provided on the inner side wall of the left side arm 11a of the seat body. The left slot end opening 1110a becomes the entrance and exit for the left side arm 21a to be inserted into or withdrawn from the left mounting slot 111a; the left mounting slot 111a includes a slot upper wall 1111, a slot lower wall 1112, and a slot bottom wall 1113 located between the slot upper wall 1111 and the slot lower wall 1112 and located at the tail end of the left mounting slot 111a, and a left slot side wall 1114 is arranged outside the left slot end opening 1110a. After the left side arm 21a is detachably inserted into the left mounting slot 111a through the left slot end opening 1110a, the left side arm 21a is positioned on the base 1 using the support provided by the left mounting slot 111a. The head end of the left side arm 21a is inserted into the left slot end opening 1110a and is located inside the left slot side wall 1114. The left slot side wall 1114 prevents the head end of the left side arm 21a from escaping from the left mounting slot 111a. Of course, in other embodiments, the left insertion portion and the left side arm 21a are split structures and mounted on the left side arm 21a; or the left mounting slot 111a is provided on the left side arm 21a, and the left insertion portion is provided on the left arm 11a of the seat body.

[0025] In order to realize that the right side arm 21b can be detachably mounted on the right side arm 11b of the seat body, the following technical solution can be further adopted: a right side sliding groove type detachable mechanism is provided between the right side arm 21b and the right side arm 11b of the seat body, and the right side sliding groove type detachable mechanism includes a right mounting groove 111b provided on one of the right side arm 21b and the right side arm 11b of the seat body, and a right side insertion portion provided on the other side, the head end of the right mounting groove 111b is open-shaped to form a right groove end opening 1110b, and the right side insertion portion can be detachably inserted into the right mounting groove 111b through the right groove end opening 1110b. In this embodiment, the right side insertion portion is square and is provided on the right side arm 21b, and even the right side arm 21b directly becomes the right side insertion portion, and the right mounting groove 111b is a square groove and is provided on the inner side wall of the right side arm 11b of the seat body. The right slot end opening 1110b becomes the entrance and exit for the right support arm 21b to be inserted into or withdrawn from the right mounting slot 111b. The matching structure of the right mounting slot 111b and the right support arm 21b is similar to the matching structure of the left mounting slot 111a and the left support arm 21a, and will not be repeated here. Of course, in other embodiments, the right insertion portion and the right support arm 21b are a split structure and are installed on the right support arm 21b; or the right mounting slot 111b is provided on the right support arm 21a, and the right insertion portion is provided on the right arm 11b of the seat body.

[0026] The hand arm 23 is connected with the left support arm 21a and the right support arm 21b to form a mounting frame for the roller 24. In this embodiment, a split mechanism is adopted between the hand arm 23 and the left support arm 21a and the right support arm 21b. The head ends of the left support arm 21a and the right support arm 21b are connected with the left and right ends of the hand arm 23 by screws respectively, and the support shaft 25 is connected between the tail ends of the left support arm 21a and the right support arm 21b. The left support arm 21a, the right support arm 21b, the hand arm 23 and the roller 24 are assembled into the roller assembly 2. A person holds the hand arm 23 and moves the left insertion part and the right insertion part on the left installation slot and the right installation slot respectively, and then passes through the left slot end opening and the right slot end opening to remove the entire roller assembly 2 including the roller 24 and the support shaft 25 from the base 1. Otherwise, the roller assembly 2 can be installed on the base 1.

[0027] like Figure 2As shown, it also includes a blocking member 3 that can be connected to the base 1. The blocking member 3 can be arranged at a position to prevent the roller assembly 2 from leaving the base 1, and can also be arranged at a position to allow the roller assembly 2 to leave the base 1. In this embodiment, the blocking member 3 includes a left blocking member 31 and a right blocking member 32 that are separately arranged. The left blocking member 31 is locked on the base 1 by a fastener and blocks the left slot end opening 1110a, preventing the left support arm 21a from retreating and escaping from the left mounting slot 111a; the right blocking member 32 is locked on the base 1 by a fastener and blocks the right slot end opening 1110b, preventing the right support arm 21b from retreating and escaping from the right mounting slot 111b. When the roller assembly 2 needs to be disassembled, the left blocking member 31 and the right blocking member 32 are first removed, and then the hand arm 23 is held to disassemble the entire roller assembly 2. During installation, the hand-held arm 23 is held, and the left support arm 21a and the right support arm 21b are detachably inserted into the left installation slot 111a and the right installation slot 111b, respectively, and then the left blocking member 31 and the right blocking member 32 are installed. In other embodiments, the left blocking member 31 and the right blocking member 32 can be an integrated member.

[0028] The roller 24 and the support shaft 25 may be an integrated structure, and both ends of the support shaft 25 are rotatably disposed on the left support arm 21a and the right support arm 21b through bearings. In this embodiment, the following structure is adopted: Figure 4 As shown, the roller 24 and the support shaft 25 are of a split structure. A left wall through hole (blocked by the left shaft extension end 251 in the figure and not marked) is provided on the left support arm 21a, and the left shaft extension end 251 of the support shaft 25 is radially positioned in the left wall through hole. A right wall through hole (blocked by the right shaft extension end 252 in the figure and not marked) is provided on the right support arm 21b, and the right shaft extension end 252 of the support shaft 25 is radially positioned in the right wall through hole. The roller 24 is rotatably arranged on the support shaft 25 through a bearing. A further technical solution may be that a hole groove (blocked by the flat key 7 in the figure and not marked) is provided on the inner wall of the hole of the left wall through hole, a left shaft end groove (blocked by the flat key 7 in the figure and not marked) is provided on the left shaft extension end 251, and a flat key 7 is also inserted into the hole groove and the left shaft end groove at the same time, so that the support shaft 25 cannot rotate relative to the left support arm 21a and the right support arm 21b.

[0029] like Figure 4As shown, a left sleeve 26a and a right sleeve 26b are respectively arranged at the left and right ends of the support shaft 25, wherein the support shaft 25 is an integrated structure with the left sleeve 26a, and a split structure with the right sleeve 26b. The bearings include a left thrust needle roller bearing 29, a right thrust needle roller bearing 28, and an ejector bearing arranged therebetween; the left sleeve 26a is pressed between the left side wall 11a of the seat body and the outer ring 291 of the left thrust needle roller bearing 29, and the inner ring 292 of the left thrust needle roller bearing 29 is pressed on the left side wall of the roller 24; the right sleeve 26b is pressed between the right side wall 11b of the seat body and the outer ring 281 of the right thrust needle roller bearing 28, and the inner ring 282 of the right thrust needle roller bearing 28 is pressed on the right side wall of the roller 24. In this way, the left thrust needle roller bearing 29 and the right thrust needle roller bearing 28 can not only bear radial loads, but also share a certain amount of axial thrust load when the roller 24 bears axial thrust, reduce the axial offset of the roller assembly 2 on the support shaft 25, and optimize the straightness of the moving path of the roller 24 when rolling back and forth on the welded pipe. Secondly, the left sleeve 26a and the right sleeve 26b, the left thrust needle roller bearing 29 and the right thrust needle roller bearing 28 are all integrated into the roller assembly 2, and can be installed with the roller 24 or removed from the base 1, which is very convenient. First remove the roller assembly 2, and then remove the left support arm 21a or the right support arm 21b, and then remove and replace the right sleeve 26b, the support shaft 25, the left thrust needle roller bearing 29, the right thrust needle roller bearing 28 or the roller 24.

[0030] like Figure 6As shown, the present invention also proposes a weld bead leveling device using a roller device 100, including the roller device 100 and a lifting drive device 4 for driving the roller device 100 to move up and down, the base 1 of the roller device 100 also includes a seat top arm 13 connected between the left arm 11a of the seat body and the right arm 11b of the seat body, the roller assembly 2 is arranged below the seat top arm 13, and the output shaft of the lifting drive device 4 is connected to the seat top arm 13. A frame support 5 is also included, the frame support 5 includes two left and right frames 51a and right frames 51b, and the roller device 100 is slidably arranged between the left frame 51a and the right frame 51b. Furthermore, the outer side wall of the left arm 11a of the seat body is provided with a left sliding groove 110a extending in the up-down direction and with the notch facing the left side, and the left sliding groove 110a is arranged on the left frame body 51a in an embraced and slidable manner; the outer side wall of the right arm 11b of the seat body is provided with a right sliding groove 110b extending in the up-down direction and with the notch facing the right side, and the right sliding groove 110b is arranged on the right frame body 51b in an embraced and slidable manner. The embraced and slidable structures between the left sliding groove 110a and the left frame body 51a, and between the right sliding groove 110b and the right frame body 51b are similar, and the embraced and slidable structures between the left sliding groove 110a and the left frame body 51a are taken as an example for detailed description. The left sliding groove 110a includes two groove side walls 1102 arranged at intervals and a groove bottom wall 1101 connected therebetween. The left frame 51a is in a plate shape. The two groove side walls 1102 clamp the narrow side of the left frame 51a, and the groove bottom wall 1101 is arranged in a balanced manner with the wide side of the left frame 51a. The left frame 51a becomes the guide rail of the roller assembly 2. No additional guide mechanism is required on the left frame 51a, which is conducive to simplifying the structure of the frame bracket 5 and reducing the manufacturing cost. Further, a cushion block 6 is arranged between the left sliding groove 110a and the left frame 51a. The cushion block 6 is installed on the groove wall of the left sliding groove 110a, so that the cushion block 6 slides with the roller assembly 2 to reduce the wear between the roller assembly 2 and the left frame 51a. In other embodiments, the left frame 51a may also be cylindrical, in which case the shape of the sliding groove 110a may be modified to be compatible; the cushion block 6 may also be disposed on the left frame 51a.

Claims

1. A roller device, characterized in that: It includes a base and a roller assembly detachably mounted on the base, the base includes a left arm of the seat body and a right arm of the seat body, the roller assembly includes a left support arm and a right support arm, which are separated into left and right parts, a hand arm and a support shaft respectively connected between the left support arm and the right support arm, and a roller arranged on the support shaft, and the hand arm and the roller are arranged at intervals; the left support arm is detachably mounted on the left arm of the seat body, and the right support arm is detachably mounted on the right arm of the seat body.

2. The roller device according to claim 1, characterized in that: A left-side sliding groove type detachable mechanism is arranged between the left-side support arm and the left-side arm of the seat body, and the left-side sliding groove type detachable mechanism includes a left mounting groove arranged on one of the left-side support arm and the left-side arm of the seat body, and a left-side insertion portion arranged on the other, the head end of the left mounting groove is open to form a left groove end opening, and the left-side insertion portion can be detachably inserted into the left mounting groove through the left groove end opening.

3. The roller device according to claim 2, characterized in that: The left insertion portion is square and is arranged on the left support arm, and the left installation groove is a square groove and is arranged on the inner side wall of the left arm of the seat body.

4. The roller device according to claim 1, characterized in that: A right-side sliding groove type detachable mechanism is arranged between the right-side support arm and the right-side arm of the seat body, and the right-side sliding groove type detachable mechanism includes a right mounting groove arranged on one of the right-side support arm and the right-side arm of the seat body, and a right-side insertion portion arranged on the other, the head end of the right mounting groove is open to form a right groove end opening, and the right-side insertion portion can be detachably inserted into the right mounting groove through the right groove end opening.

5. The roller device according to claim 4, characterized in that: The right insertion portion is square and is arranged on the right support arm, and the right installation groove is a square groove and is arranged on the inner side wall of the right arm of the seat body.

6. The roller device according to any one of claims 1 to 5, characterized in that: Also included is a blocking member that can be connected to the base, and the blocking member can be arranged to a position that prevents the roller assembly from leaving the base, and can also be arranged to a position that allows the roller assembly to leave the base.

7. The roller device according to any one of claims 1 to 5, characterized in that: A left wall through hole is opened on the left support arm, and the left shaft extension end of the support shaft is radially positioned in the left wall through hole. A right wall through hole is opened on the right support arm, and the right shaft extension end of the support shaft is radially positioned in the right wall through hole. The roller is rotatably arranged on the support shaft through a bearing.

8. The roller device according to claim 7, characterized in that: A left sleeve and a right sleeve are respectively arranged at the left and right ends of the support shaft, and the bearing includes a left thrust needle roller bearing and a right thrust needle roller bearing which are arranged on the left and right sides; the left sleeve is pressed between the left arm of the seat body and the outer ring of the left thrust needle roller bearing, and the inner ring of the left thrust needle roller bearing is pressed on the left side wall of the roller; the right sleeve is pressed between the right arm of the seat body and the outer ring of the right thrust needle roller bearing, and the inner ring of the right thrust needle roller bearing is pressed on the right side wall of the roller.

9. A weld bead leveling device using a roller device, characterized in that: The invention comprises the roller device according to any one of claims 1 to 8 and a lifting drive device for driving the roller device to move up and down, wherein the output shaft of the lifting drive device is drivingly connected to the base.

10. The weld bead leveling device using a roller device according to claim 9, characterized in that: It also includes a frame bracket, which includes a left frame and a right frame separated into left and right parts, the outer side wall of the left arm of the seat body is provided with a left sliding groove extending in the up-down direction with the groove facing the left side, and the left sliding groove is arranged on the left side frame body; the outer side wall of the right arm of the seat body is provided with a right sliding groove extending in the up-down direction with the groove facing the right side, and the right sliding groove is arranged on the right side frame body.

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