CN218283265U

CN218283265U - Steel pipe forming reverse bending machine frame

Info

Publication number: CN218283265U
Application number: CN202222744949.5U
Authority: CN
Inventors: 史纪忠
Original assignee: Shijiazhuang Zhongtai Pipe Technology Development Co ltd
Current assignee: Shijiazhuang Zhongtai Pipe Technology Development Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-13
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a steel pipe shaping recurvation frame, steel pipe shaping recurvation frame includes support frame, mounting bracket, first roll, removes the frame, first regulation gradually and the second roll. The utility model provides a steel pipe shaping recurvation frame, when the steel pipe of other specifications is produced, the position through the adjustment mounting bracket is adjusted earlier and the height of alignment passageway is guaranteed to the position of two first rolls. And the second rollers are positioned at two sides of the straightening channel by adjusting the height of the sliding frame, and the positions of the two second rollers are adjusted by adjusting the positions of the moving frame on the sliding frame so as to ensure the width of the straightening channel. This application can be according to the demand of on-the-spot production, according to the outside size of steel pipe, adjusts the position of first roll and second roll to the overall dimension that the size of guaranteeing the alignment passageway accords with the steel pipe. All can be suitable for the steel pipes with different overall dimensions to use, and the purpose of saving cost is achieved.

Description

Steel pipe forming reverse bending machine frame

Technical Field

The utility model belongs to the technical field of steel pipe production facility, concretely relates to steel pipe shaping recurvation frame.

Background

The large-caliber thick-wall steel pipe is formed by using a steel plate as a base material, performing cold bending processing forming, and then performing high-frequency welding. When the steel pipe is formed, in order to prevent the steel pipe from being bent, a backward bending support is arranged at the subsequent step of forming the steel pipe so as to correct the steel pipe and prevent the steel pipe from being bent. However, at present, because the sizes of the produced pipes are different, the reverse bending machine frames with various specifications need to be prepared to meet the production requirement. Increasing the production and processing costs.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a steel pipe shaping recurvation frame aims at solving among the prior art problem that different specification steel pipes processing cost is high in the production process.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a steel pipe shaping recurve bend frame includes:

the device comprises a support frame, a base, a sliding frame and a lifting mechanism, wherein two sliding frames which are arranged oppositely are arranged on the support frame, and the sliding frames have freedom degrees which are adjusted along the vertical direction on the support frame;

the two mounting racks are arranged at intervals along the vertical direction, and the two mounting racks have the freedom degree of adjustment along the vertical direction on the supporting frame;

the number of the first rollers is two, the two first rollers are respectively rotatably arranged on the mounting rack, the axes of the two first rollers are arranged in parallel, the two first rollers form a straightening channel for straightening a steel pipe, and the two sliding frames are arranged at intervals along the axis direction of the first rollers;

the moving frame is provided with an open slot for accommodating the moving frame, two inner walls of the open slot are provided with slide rails, the slide rails are arranged along the length direction of the first rolling roll axis, and the moving frame is provided with a slide groove in sliding fit with the slide rails;

the first adjusting assembly is arranged between the moving frame and the sliding frame and used for adjusting the position of the moving frame on the sliding frame;

the number of the second rollers is two, the two second rollers are respectively rotatably arranged on the two moving frames, the axes of the two second rollers are arranged along the vertical direction, and the two first rollers are positioned on two sides of the straightening channel along the axis direction of the first rollers.

In a possible implementation manner, a guide rail arranged along the vertical direction is arranged on the support frame, a sliding plate extending towards the outside is fixedly arranged on the sliding frame, a guide sliding plate is movably arranged on the sliding frame, the guide sliding plate is provided with a degree of freedom for adjusting the direction of the sliding plate along the direction close to or away from the sliding plate, and the guide sliding plate is matched with a guide groove formed by the sliding plate and matched with the guide rail in a sliding fit manner.

In a possible implementation manner, a top rod is connected to the support frame in a threaded manner, the axis of the top rod is arranged along the sliding direction of the guide sliding plate, a guide sliding hole used for accommodating the top rod is formed in the guide sliding plate, and one end of the top rod can abut against the bottom of the guide sliding hole and is in sliding fit with the guide sliding hole.

In one possible implementation, the mobile frame includes:

the mounting plates are arranged in parallel at intervals in the vertical direction;

the mounting plate is provided with an opening limiting groove for clamping the mounting shaft, and the second roller is rotationally arranged on the mounting shaft;

the pressing plate is detachably connected with the mounting plate and is used for pressing the mounting shaft inside the opening limiting groove;

the connecting plate is arranged between the two mounting plates and is respectively fixedly connected with the two mounting plates.

In a possible implementation manner, the mounting shaft is provided with a clamping portion for clamping the opening limiting groove, the clamping portion is provided with an anti-rotation edge, and the inner wall of the opening limiting groove is provided with a limiting edge in sliding fit with the anti-rotation edge.

In a possible implementation manner, the connecting plate is in sliding fit with the inner wall of the open slot, and the sliding groove is located on the connecting plate.

In one possible implementation, the first adjustment assembly includes:

the axis of the connecting rod is arranged along the sliding direction of the moving frame, and one end of the connecting rod is fixedly installed on the moving frame;

the worm wheel is rotatably arranged on the sliding frame, and a threaded hole in threaded fit with the connecting rod is formed in the worm wheel;

the driving piece is fixedly installed on the sliding frame, the driving end of the driving piece is in transmission connection with a worm, and the worm is meshed with the worm wheel.

In a possible implementation manner, a fixing frame is further arranged between the mounting frame and the supporting frame, the fixing frame is fixedly connected with the supporting frame, and the mounting frame has a degree of freedom which is adjusted along the vertical direction on the fixing frame.

Compared with the prior art, the steel pipe that will correct is carried to the alignment passageway inside to the scheme that this application embodiment shows, through the steel pipe that will correct to the second roll that first roll and two relative settings that set up through two relative settings comes the alignment to the steel pipe, when the steel pipe of other specifications of production, adjusts the height of alignment passageway through the position of adjusting the mounting bracket earlier in the position of two first rolls. And the second rollers are positioned at two sides of the straightening channel by adjusting the height of the sliding frame, and the positions of the two second rollers are adjusted by adjusting the positions of the moving frame on the sliding frame so as to ensure the width of the straightening channel. And through be provided with the open slot on the carriage, the opening of open slot sets up towards the alignment passageway to through the slide rail on the open slot inside and remove the spout sliding fit on the frame, can guarantee to remove the position accuracy of frame. This application can be according to the demand of on-the-spot production, according to the outside size of steel pipe, adjusts the position of first roll and second roll to guarantee that the size of alignment passageway accords with the overall dimension of steel pipe. All can be suitable for the steel pipes with different external dimensions, and the purpose of saving cost is achieved.

Drawings

Fig. 1 is a schematic structural view of a steel pipe forming recurved rack provided by an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure of the sliding frame according to the embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the movable frame according to an embodiment of the present invention.

Description of the reference numerals:

1. a support frame; 11. a guide rail; 2. a mounting frame; 21. a first roll; 3. a carriage; 31. a sliding plate is arranged; 32. a guide slide plate; 33. a top rod; 4. a movable frame; 41. a second roll; 42. mounting a plate; 43. installing a shaft; 44. pressing a plate; 45. a connecting plate; 5. a first adjustment assembly; 51. a connecting rod; 52. a worm gear; 53. a drive member; 6. a fixing frame.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, a steel pipe forming and reverse bending machine frame according to the present invention will now be described. The steel pipe forming reverse bending machine frame comprises a support frame 1, a mounting frame 2, a first roller 21, a moving frame 4, a first adjusting device and a second roller 41. Two sliding frames 3 which are arranged oppositely are arranged on the supporting frame 1, and the sliding frames 3 have the freedom degree which is adjusted along the vertical direction on the supporting frame 1; the number of the mounting frames 2 is two, the two mounting frames 2 are arranged at intervals along the vertical direction, and the two mounting frames 2 have the freedom degree of adjustment along the vertical direction on the support frame 1; the number of the first rollers 21 is two, the two first rollers 21 are respectively rotatably arranged on the mounting frame 2, the axes of the two first rollers 21 are arranged in parallel, the two first rollers 21 form a straightening channel for straightening the steel pipe, and the two sliding frames 3 are arranged at intervals along the axis direction of the first rollers 21; an open slot for accommodating the moving frame 4 is formed in the sliding frame 3, slide rails are arranged on two inner walls of the open slot along the length direction of the straightening channel, the slide rails are arranged along the length direction of the axis of the first roller 21, the number of the slide rails is two, and a slide groove in sliding fit with the slide rails is formed in the moving frame 4; the first adjusting assembly 5 is arranged between the moving frame 4 and the sliding frame 3 and is used for adjusting the position of the moving frame 4 on the sliding frame 3; the number of the second rollers 41 is two, the two second rollers 41 are respectively rotatably arranged on the two moving frames 4, the axes of the two second rollers 41 are arranged along the vertical direction, and the two first rollers 21 are positioned at two sides of the straightening passage along the axis direction of the first rollers 21.

Compared with the prior art, the steel pipe forming reverse bending machine frame provided by the embodiment has the advantages that the steel pipe needing to be corrected is conveyed into the straightening channel, the steel pipe is straightened through the two first rollers 21 which are oppositely arranged and the two second rollers 41 which are oppositely arranged, and when the steel pipes with other specifications are produced, the height of the straightening channel is ensured by adjusting the positions of the two first rollers 21 through adjusting the position of the mounting frame 2. The second rollers 41 are positioned at two sides of the straightening passage by adjusting the height of the sliding frame 3, and the positions of the two second rollers 41 are adjusted by adjusting the position of the moving frame 4 on the sliding frame 3, so as to ensure the width of the straightening passage. And through be provided with the open slot on carriage 3, the opening of open slot sets up towards the alignment passageway to through the slide rail on the open slot inside and remove the spout sliding fit on the frame 4, can guarantee to remove the position accuracy of frame 4. According to the method and the device, the positions of the first roller 21 and the second roller 41 can be adjusted according to the requirement of field production and the outside size of the steel pipe, so that the size of the straightening channel is ensured to accord with the external dimension of the steel pipe. All can be suitable for the steel pipes with different external dimensions, and the purpose of saving cost is achieved.

In some embodiments, the support frame 1 may adopt a structure as shown in fig. 1 and fig. 2. Referring to fig. 1 and 2, the support frame 1 is provided with a guide rail 11 arranged along a vertical direction, the sliding frame 3 is fixedly provided with a sliding plate 31 extending outwards, the sliding frame 3 is also movably provided with a guide sliding plate 32, the guide sliding plate 32 has a degree of freedom adjusted along a direction close to or far away from the sliding plate 31, and the guide sliding plate 32 and the sliding plate 31 form a guide groove in sliding fit with the guide rail 11. The guide sliding plate 32 and the matching sliding plate 31 are arranged in parallel at intervals to form a guide groove, the position of the guide sliding plate 32 can be adjusted, the size of the guide groove can be adjusted, and the sliding frame 3 can be conveniently installed on the support frame 1. And the distance between the guide sliding plate 32 and the counter sliding plate 31 can be adjusted according to the width of the guide rail 11.

Specifically, in this embodiment, the sliding frame 3 and the sliding frame 31 are integrated, the number of the sliding frame 31 is two, the two sliding frames 31 extend to the outside of the sliding frame 3, one side of the sliding frame 31 is attached to one side of the guide rail 11, and the number of the guide sliding plates 32 corresponds to the number of the sliding frame 31 one by one, so as to limit the sliding direction of the sliding frame 3.

In some embodiments, the support frame 1 may adopt a structure as shown in fig. 2 and 3. Referring to fig. 2 and 3, the supporting frame 1 is connected with a push rod 33 through a thread, an axis of the push rod 33 is arranged along a sliding direction of the guide sliding plate 32, the guide sliding plate 32 is provided with a guide sliding hole for accommodating the push rod 33, and one end of the push rod 33 can abut against the bottom of the guide sliding hole and is in sliding fit with the guide sliding hole. A wing plate with a threaded hole is fixedly connected to the support frame 1. The threaded hole on the wing plate is in threaded fit with the ejector rod 33. One end of the push rod 33 is rotatably arranged in the guide sliding hole, and the end part of the push rod 33 is abutted against the bottom of the guide sliding hole, so that the guide sliding plate 32 is abutted against the side surface of the guide rail 11, and the gaps among the guide rail 11, the guide sliding plate 32 and the sliding plate 31 can be adjusted by adjusting the position of the push rod 33, thereby ensuring the smoothness of the sliding frame 3.

Optionally, in this embodiment, a nut is fixedly mounted on the wing plate on the sliding frame 3, and a through hole for passing the push rod 33 is provided on the wing plate. The nut and the via hole are coaxially arranged. The ejector rod 33 is in threaded fit with the nut and penetrates through the wing plate to be located inside the through hole.

In some embodiments, the movable frame 4 may be configured as shown in fig. 1, 2 and 3. Referring to fig. 1, 2 and 3 together, the moving frame 4 includes a mounting plate 42, a mounting shaft 43, a pressing plate 44 and a connecting plate 45. The number of the mounting plates 42 is two, and the two mounting plates 42 are arranged in parallel at intervals along the vertical direction; the mounting plate 42 is provided with an opening limiting groove for clamping the mounting shaft 43, and the second roller 41 is rotatably arranged on the mounting shaft 43; the pressing plate 44 is detachably connected with the mounting plate 42 and is used for pressing the mounting shaft 43 inside the opening limiting groove; the connecting plate 45 is disposed between the two mounting plates 42 and is fixedly connected to the two mounting plates 42, respectively. The installation axle 43 is demountable installation on mounting panel 42, and the installation axle 43 of corresponding length is changed to the square pipe of convenience according to different specifications. The pressure plate 44 is detachably mounted on the end face of the mounting plate 42 by bolts. The mounting shaft 43 is pressed inside the limit groove by the pressing plate 44, and the mounting shaft 43 is fixed between the two mounting plates 42. The second roller 41 is rotatably provided on the mounting shaft 43 through a bearing. Allowing the second roll 41 to be removed from between the two mounting plates 42. While the mounting shaft 43 is mounted between the two mounting plates 42, it is possible to provide a sufficient mounting space for the second roll 41.

Alternatively, in the present embodiment, the mounting structure of the first roll 21 on the mounting frame 2 is the same as the mounting structure of the second roll 41 on the moving frame 4. While facilitating the replacement of the second roll 41 according to the size of the square pipe.

In some embodiments, the mounting shaft 43 may be configured as shown in fig. 2 and 3. Referring to fig. 2 and 3, the mounting shaft 43 is provided with a clamping portion for being clamped into the opening limiting groove, the clamping portion is provided with an anti-rotation edge, and the inner wall of the opening limiting groove is provided with a limiting edge in sliding fit with the anti-rotation edge. The cross section of the clamping portion in the direction perpendicular to the axis of the mounting shaft 43 is a square structure, and preferably, the cross section of the clamping portion is a square structure. Through the limit setting on preventing that card portion turns round limit and the spacing inslot wall, can avoid installing axle 43 to rotate and take place wearing and tearing for mounting panel 42, lead to taking place to rock between installation axle 43 and the mounting panel 42, influence the stability of installation axle 43 on mounting panel 42.

In some embodiments, the connecting plate 45 may be configured as shown in fig. 2 and 3. Referring to fig. 2 and 3 together, the connecting plate 45 is in sliding fit with the inner wall of the open slot, and the sliding groove is located on the connecting plate 45. The number of the connecting plates 45 is two, and the two connecting plates 45 are arranged in parallel at intervals along the length direction of the straightening channel. And the outer side of the connecting plate 45 abuts against the side wall of the open slot in the carriage 3. The stability of the mounting of the moving frame 4 on the sliding frame 3 can be improved. The connecting plate 45 is in sliding fit with the inner wall of the open slot, so that the sliding of the moving frame 4 on the sliding frame 3 along the length direction of the straightening channel can be avoided. The sliding engagement of the sliding grooves with the guide rails 11 allows to limit the sliding of the mobile carriage 4 in the vertical direction inside the sliding carriage 3. Thereby improving the positional accuracy and mounting stability of the second roll 41.

In some embodiments, the first adjusting assembly 5 may be configured as shown in fig. 1 and 2. Referring to fig. 1 and 2 together, the first adjustment assembly 5 includes a connecting rod 51, a worm gear 52, and a driving member 53. The axis of the connecting rod 51 is arranged along the sliding direction of the moving frame 4, and one end of the connecting rod 51 is fixedly installed on the moving frame 4; the worm wheel 52 is rotatably arranged on the sliding frame 3, and a threaded hole which is in threaded fit with the connecting rod 51 is formed in the worm wheel 52; the driving part 53 is fixedly arranged on the sliding frame 3, the driving end of the driving part 53 is connected with a worm in a transmission way, and the worm is meshed with the worm wheel 52. The driving part 53 is a motor, when the device is used, the driving part 53 drives the worm to rotate, the worm drives the worm wheel 52 to rotate, and the worm wheel 52 is in threaded fit with the connecting rod 51, so that when the worm wheel 52 rotates, the connecting rod 51 can be driven to move along the length direction of the connecting rod, and the position of the moving frame 4 on the sliding frame 3 can be adjusted.

Specifically, in the present embodiment, a fixing flange is fixedly mounted on an end portion of the connecting rod 51, and the connecting rod 51 and the moving frame 4 are fixedly connected by the fixing flange.

Optionally, in the present embodiment, a second adjusting component is disposed between the sliding frame 3 and the supporting frame 1. The second adjustment assembly is used to adjust the height of the carriage 3. By the arrangement of the second adjustment assembly, the height of the carriage 3 can be adjusted. And the structure of the second adjusting assembly in this application is the same as that of the first adjusting assembly 5.

In some embodiments, the mounting frame 2 may be configured as shown in fig. 1. Referring to fig. 1, a fixing frame 6 is further arranged between the mounting frame 2 and the support frame 1, the fixing frame 6 is fixedly connected with the support frame 1, and the mounting frame 2 has a degree of freedom which is adjusted in the vertical direction on the fixing frame 6. The top of the support frame 1 is detachably provided with a top beam. The bottom of the support frame 1 is fixedly provided with a base. The number of the fixing frames 6 is two, and the two fixing frames 6 are respectively and fixedly arranged on the top beam and the base. The mounting frame 2 is arranged on the fixing frame 6 in a sliding mode along the vertical direction, and a third adjusting assembly is further arranged between the fixing frame 6 and the mounting frame 2. The third adjustment assembly is used to adjust the position of the mounting frame 2 inside the mounting frame 6. The structure of the third adjusting assembly is the same as that of the second adjusting assembly.

Alternatively, in the present embodiment, the mounting structure of the first roll 21 on the mounting frame 2 is the same as the mounting structure of the second roll 41 on the moving frame 4.

Specifically, in the present embodiment, a guide portion is provided on the outer side wall of the mount 2. The inner side wall of the fixed frame 6 is provided with a guide groove which is in sliding fit with the guide part. The length direction of the guide groove is arranged along the vertical direction. The arrangement of the guide part and the guide groove can limit the sliding direction of the mounting frame 2, and improve the position accuracy of the second roller 41.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a steel pipe shaping recurvation frame which characterized in that includes:

the first rolling roll comprises a moving frame, wherein an open slot for accommodating the moving frame is formed in the sliding frame, slide rails are arranged on two inner walls of the open slot, the slide rails are arranged along the length direction of a first rolling roll axis, and a slide groove in sliding fit with the slide rails is formed in the moving frame;

the number of the second rollers is two, the two second rollers are respectively rotatably arranged on the two moving frames, the axes of the two second rollers are arranged in the vertical direction, and the two first rollers are positioned on two sides of the straightening channel in the direction of the axis of the first roller.

2. The steel pipe forming reverse bending machine frame according to claim 1, wherein the support frame is provided with a guide rail arranged along a vertical direction, the sliding frame is fixedly provided with a matching sliding plate extending outwards, the sliding frame is movably provided with a guide sliding plate, the guide sliding plate has a degree of freedom of adjustment along a direction close to or far away from the matching sliding plate, and the guide sliding plate and the matching sliding plate form a guide groove in sliding fit with the guide rail.

3. The steel pipe forming recurved stander according to claim 2, wherein the supporting frame is connected with a mandril in a threaded manner, the axis of the mandril is arranged along the sliding direction of the guide sliding plate, the guide sliding plate is provided with a guide sliding hole for accommodating the mandril, and one end of the mandril can abut against the bottom of the guide sliding hole and is in sliding fit with the guide sliding hole.

4. The steel pipe forming recurve-bending stand according to claim 1, wherein the moving stand comprises:

the mounting plate is provided with an opening limiting groove for clamping the mounting shaft, and the second roller is rotatably arranged on the mounting shaft;

the pressing plate is detachably connected with the mounting plate and is used for pressing the mounting shaft in the opening limiting groove;

5. The steel pipe forming recurve bending machine frame according to claim 4, wherein the mounting shaft is provided with a clamping part for clamping into the opening limiting groove, the clamping part is provided with an anti-rotation edge, and the inner wall of the opening limiting groove is provided with a limiting edge in sliding fit with the anti-rotation edge.

6. The steel pipe forming recurved bent frame according to claim 4, characterized in that the connection plate is in sliding fit with the inner wall of the open slot, and the sliding groove is located on the connection plate.

7. The steel pipe forming recurve bend machine frame of claim 1, wherein the first adjusting assembly comprises:

the worm wheel is rotationally arranged on the sliding frame, and a threaded hole in threaded fit with the connecting rod is formed in the worm wheel;

the driving piece is fixedly installed on the sliding frame, a worm is connected to the driving end of the driving piece in a transmission mode, and the worm is meshed with the worm wheel.

8. The steel pipe forming recurved bent frame according to claim 1, characterized in that a fixing frame is further arranged between the mounting frame and the supporting frame, the fixing frame is fixedly connected with the supporting frame, and the mounting frame has a degree of freedom of adjustment in the vertical direction on the fixing frame.