Cylindrical turning device

Abstract

The utility model discloses a cylindrical turning device, which relates to the technical field of shaping and sealing of steel chisel reinforced flexible composite pipes, and comprises a sealing and shaping device, a turning device is arranged on the sealing and shaping device, and the turning device comprises a lathe frame, a pipe clamping device, a turning tool device and a pipe internal supporting and roundness correcting device. The pipe clamping device is used for limiting the position of a pipe on the sealing and shaping equipment, the turning tool device is used for turning feeding and returning, and the pipe interior supporting and roundness correcting device is installed on the turning tool device and used for forced roundness correcting and shaping of the inner circle of the pipe and alignment supporting of a turning tool. Through the arrangement of the turning device, aiming at pipes with large ovality and irregular deformation, the clamping efficiency can be greatly improved, the ovality of the pipes can be forcefully corrected, and through the arrangement of internal powerful supports corresponding to turning parts, the uniformity and smoothness of cylindrical turning are improved, and further the quality of cylindrical turning is improved; and the actual turning requirement is better met.

Description

Technical Field

[0001] The utility model relates to the technical field of steel drill reinforced flexible composite pipe shaping and sealing, in particular to an external circle turning device. Background Art

[0002] The connection of steel fiber reinforced flexible composite pipes requires processing of the pipe ends, including end face sealing and rounding of the outer circle of the end connection length. However, due to the long length of the pipe, which generally exceeds 9m, the pipe has a large ovality and high flexibility. The ovality of the pipe itself and the deformation of the outer circle clamping make it difficult to turn and shape the outer circle, making it difficult to meet the predetermined requirements. The outer layer coating thickness is small and the reinforcement layer is unevenly arranged in the cross section. It is necessary to develop an outer circle turning device for turning and shaping the outer circle of the pipe end.

[0003] Therefore, in response to the above problems, an external cylindrical turning device is proposed. It can greatly improve the clamping efficiency for pipes with large ovality and irregular deformation, and can achieve strong correction of the ovality of the pipe, which can fully meet the actual requirements. Utility Model Content

[0004] The purpose of the present utility model is to provide an external cylindrical turning device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an external cylindrical turning device, comprising a sealing and shaping device, wherein the sealing and shaping device is provided with a turning device, and the turning device comprises:

[0006] Lathe frame, the lathe frame is fixedly arranged on the sealing and shaping equipment, and the lathe frame is used for supporting the clamping of the pipe and moving the operating platform of the mobile frame;

[0007] A pipe clamping device, which is used to limit the position of the pipe on the sealing and shaping equipment;

[0008] A turning tool device, the turning tool device is used for turning entry and retraction;

[0009] The internal pipe support and rounding device is installed on the turning tool device and is used for forced rounding and shaping of the inner circle of the pipe and for positioning support of the turning tool, so as to ensure stable and uniform turning.

[0010] Preferably, the sealing and shaping equipment includes:

[0011] A rack platform, on which a pipe supporting roller assembly is provided, and the pipe supporting roller assembly is used to lift an array of pipes;

[0012] A longitudinal moving device for pipes is provided with a pipe pressing device movably arranged on the longitudinal moving device for pipes. The longitudinal moving device for pipes and the pipe pressing device are used for longitudinal transportation of pipes. By changing the rotation direction of the roller of the moving device, the pipes can be fed in and retracted to the right.

[0013] Preferably, the turning device further comprises:

[0014] A longitudinal moving device, wherein the longitudinal moving device is installed on the lathe frame;

[0015] A movable frame is mounted on the lathe frame, a slewing bearing is fixedly provided on the movable frame, and the movable frame is driven by a longitudinal moving device to complete the turning feed and retraction;

[0016] A rotary device drives a rotary bearing on the moving frame to achieve circular turning.

[0017] Preferably, the pipe internal support rounding device includes:

[0018] The slewing bearing moving ring has a slewing bearing fixed ring arranged inside the slewing bearing moving ring. The slewing bearing moving ring rotates around the circumference of the slewing bearing fixed ring under the drive of the rotary device.

[0019] A clamping connection block connected to the moving ring of the slewing bearing;

[0020] A turning tool clamping rod is provided on which a turning tool is mounted.

[0021] Preferably, the pipe internal support and rounding device is a cross structure, and four rollers are provided at the end of the cross of the pipe internal support and rounding device.

[0022] Preferably, the pipe internal support rounding device further comprises:

[0023] A connecting plate, the connecting plate being fixedly arranged with the clamping connecting block;

[0024] A plurality of support rods, each of which is located below the tool clamping rod, and each of which is fixed to a plurality of rollers;

[0025] A support plate is fixedly arranged between the support rods.

[0026] The technical effects and advantages of this utility model are:

[0027] The utility model is provided with a turning device, which can greatly improve the clamping efficiency for pipes with large ovality and irregular deformation, and can realize strong correction of the ovality of the pipe. By providing an internal strong support for the corresponding turning parts, the uniformity and smoothness of the external cylindrical turning are improved, thereby improving the quality of the external cylindrical turning and better meeting the actual turning needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic cross-sectional view of the sealing and shaping equipment of the present invention.

[0029] Figure 2 This is a schematic cross-sectional view of the turning device of the present invention.

[0030] Figure 3 This is a schematic diagram of the front view and cross-section structure of the internal support and roundness correction device for pipes of the present invention.

[0031] Figure 4 This is a schematic side view of the cross-sectional structure of the internal support and rounding device for pipes of the present invention.

[0032] In the figure: 100, sealing and shaping equipment; 101, frame platform; 102, pipe support roller assembly; 103, pipe longitudinal moving device; 104, pipe pressing device; 200, turning device; 201, lathe frame; 202, pipe clamping device; 203, turning tool device; 204, pipe internal support rounding device; 2041, rotary bearing moving ring; 2042, rotary bearing fixed ring; 2043, clamping connection block; 2044, turning tool clamping rod; 2045, turning tool; 2046, connecting plate; 2047, support rod; 2048, support plate; 2049, roller; 205, moving frame; 206, rotary device; 207, longitudinal moving device. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] The utility model provides Figure 1-4The external cylindrical turning device shown includes a sealing and shaping device 100, which includes a frame platform 101 and a longitudinal pipe moving device 103. A pipe supporting roller assembly 102 is provided on the frame platform 101, and the pipe supporting roller assembly 102 is used to lift an array of pipes. A pipe pressing device 104 is movably provided on the longitudinal pipe moving device 103. The longitudinal pipe moving device 103 and the pipe pressing device 104 are used for longitudinal transportation of the pipe. By changing the rotation direction of the rollers of the moving device, the pipe can be fed in and retracted to the right.

[0035] Specific reference Figure 1 The array of pipe support roller assemblies 102 installed on the rack platform 101 are all used to lift the pipes, facilitating the support and movement of the pipes on the rack platform 101. The pipe longitudinal moving device 103 installed on the right end of the rack platform 101 and the corresponding pipe pressing device 104 installed thereon can be used for longitudinal transportation of the pipes. At the same time, the rightward feeding and leftward retraction operations of the pipes can be realized by changing the rotation direction of the rollers of the moving device.

[0036] The sealing and shaping device 100 is provided with a turning device 200, which includes a lathe frame 201, a pipe clamping device 202, a turning tool device 203 and a pipe internal support and rounding device 204. The lathe frame 201 is fixedly arranged on the sealing and shaping device 100, and the lathe frame 201 is used for supporting the pipe clamping and the mobile frame 205 for moving the operating platform. The pipe clamping device 202 is used to limit the position of the pipe on the sealing and shaping device 100, the turning tool device 203 is used for turning in and out, and the pipe internal support and rounding device 204 is installed on the lathe frame 201. The tool device 203 is used for forced rounding and shaping of the inner circle of the pipe and for positioning and supporting the turning tool, so as to ensure stable and uniform turning. The turning device 200 also includes a longitudinal moving device 207, a moving frame 205 and a rotating device 206. The longitudinal moving device 207 is installed on the lathe frame 201, and the moving frame 205 is installed on the lathe frame 201. A rotary bearing is fixed on the moving frame 205. The moving frame 205 is driven by the longitudinal moving device 207 to complete the turning feed and retraction. The rotating device 206 drives the rotary bearing on the moving frame 205 to achieve circular turning.

[0037] Specific reference Figure 2The lathe frame 201 is a support for clamping the pipe and a mobile operating platform for the movable frame. The two sets of pipe clamping devices 202 installed on the lathe frame 201 platform are used to clamp the pipe to ensure the stability of the pipe position. The movable frame 205 installed on the lathe frame 201 is driven by the longitudinal moving device 207 to facilitate the feed and retract operations of turning. The turning tool device 203 is installed on the rotary bearing on the movable frame 205 and is driven by the rotary device 206 to realize circular turning operations. The pipe internal support circularity correction device 204 is installed on the turning tool device 203.

[0038] The pipe internal support and rounding device 204 is a cross structure. Four rollers 2049 are provided at the end of the cross of the pipe internal support and rounding device 204. The pipe internal support and rounding device 204 includes a rotary bearing movable ring 2041, a clamping connection block 2043 and a turning tool clamping rod 2044. A rotary bearing fixed ring 2042 is provided inside the rotary bearing movable ring 2041. The rotary bearing movable ring 2041 rotates around the rotary bearing fixed ring 2042 under the drive of the rotary device 206. The clamping connection block 2043 rotates around the rotary bearing fixed ring 2042. 43 is connected to the rotating bearing moving ring 2041, and a turning tool 2045 is installed on the turning tool clamping rod 2044. The internal pipe support rounding device 204 also includes a connecting plate 2046, multiple support rods 2047 and a support plate 2048. The connecting plate 2046 is fixed to the clamping connecting block 2043, and the support rod 2047 is located below the turning tool clamping rod 2044. The multiple support rods 2047 are respectively fixed to the multiple rollers 2049, and the support plate 2048 is fixed between the support rods 2047.

[0039] Specific reference Figure 3 and Figure 4The internal support and rounding device 204 of the pipe is installed on the turning tool device 203 through the connecting plate 2046, which can realize the forced rounding and shaping of the inner circle of the pipe and the alignment support of the turning tool to ensure stable and uniform turning. The internal support and rounding device 204 of the pipe is a rigid cross structure. The rotary bearing movable ring 2041 and the rotary device 206 drive the rotary bearing fixed ring 2042 to rotate around the circumference. Four rollers 2049 are provided at the end of the cross structure. There are four clamping connection blocks 2043, and the clamping connection blocks 2043 are evenly connected to the rotary bearing movable ring 2041. Each clamping connection block 2043 has two sections of a turning tool clamping rod 2044. Each turning tool clamping rod 2044 can be clamped with a turning tool 2045. By adjusting the turning tool 2045 The feed amount, under the rotation drive of the rotary device 206, can complete the circumferential turning of the outer circle of the pipe. The internal support and rounding device 204 of the pipe is connected to the inner side of the two symmetrically arranged clamping connecting blocks 2043 through the connecting plate 2046. The position of the time roller 2049 arranged in a cross corresponds to the position of the turning tool 2045. The size and position of the support rod 2047 and the support plate 2048 are adjusted to make the maximum external size of the two pairs of rollers 2049 match the inner diameter size of the pipe. Following the rotation of the clamping connecting block 2043, the machine rounds the inside of the pipe and provides rigid support for the turning tool cutting, eliminating the influence of the ellipse of the pipe, making the cutting uniform. By reasonably adjusting the feed amount of each turning tool, thick wall cutting can be completed, the surface finish can be improved, and it can meet the actual use requirements.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An external cylindrical turning device, comprising a sealing and shaping device (100), characterized in that: The sealing and shaping device (100) is provided with a turning device (200), and the turning device (200) comprises: A lathe frame (201), the lathe frame (201) is fixedly arranged on the sealing and shaping equipment (100), and the lathe frame (201) is used for supporting the clamping of the pipe and for moving the frame to move the operating platform; A pipe clamping device (202), the pipe clamping device (202) is used to limit the position of the pipe on the sealing and shaping device (100); A turning tool device (203), wherein the turning tool device (203) is used for turning entry and retraction; The pipe internal support and rounding device (204) is installed on the turning tool device (203) and is used for forced rounding and shaping of the inner circle of the pipe and for positioning support of the turning tool, so as to ensure stable and uniform turning.

2. The external cylindrical turning device according to claim 1, characterized in that: The sealing and shaping device (100) comprises: A rack platform (101), wherein a pipe supporting roller assembly (102) is provided on the rack platform (101), and the pipe supporting roller assembly (102) is used for lifting an array of pipes; A pipe longitudinal moving device (203) is provided with a pipe pressing device (204) on which the pipe longitudinal moving device (203) is movably provided. The pipe longitudinal moving device (203) and the pipe pressing device (204) are used for longitudinal transportation of the pipe. By changing the rotation direction of the roller of the moving device, the pipe is fed in and retracted to the right.

3. The external cylindrical turning device according to claim 1, characterized in that: The turning device (200) further comprises: A longitudinal moving device (207), wherein the longitudinal moving device (207) is mounted on the lathe frame (201); A movable frame (205), the movable frame (205) is mounted on the lathe frame (201), a rotary bearing is fixedly provided on the movable frame (205), and the movable frame (205) is driven by a longitudinal moving device (207) to complete turning feed and retraction; A rotary device (206) drives a rotary bearing on the moving frame (205) to achieve circular turning.

4. The external cylindrical turning device according to claim 1, characterized in that: The pipe internal support rounding device (204) comprises: A slewing bearing moving ring (2041), wherein a slewing bearing fixed ring (2042) is provided inside the slewing bearing moving ring (2041), and the slewing bearing moving ring (2041) rotates around the slewing bearing fixed ring (2042) under the drive of the rotating device (206); A clamping connection block (2043), wherein the clamping connection block (2043) is connected to the rotating bearing moving ring (2041); A turning tool clamping rod (2044) is provided with a turning tool (2045).

5. The external cylindrical turning device according to claim 4, characterized in that: The pipe internal support and rounding device (204) is a cross structure, and four rollers (2049) are provided at the end of the cross of the pipe internal support and rounding device (204).

6. The external cylindrical turning device according to claim 4, characterized in that: The pipe internal support rounding device (204) further comprises: A connecting plate (2046), wherein the connecting plate (2046) is fixedly arranged with the clamping connecting block (2043); a plurality of support rods (2047), wherein the support rods (2047) are located below the lathe tool clamping rod (2044), and the plurality of support rods (2047) are respectively fixedly arranged with the plurality of rollers (2049); A support plate (2048), wherein the support plate (2048) is fixedly disposed between the support rods (2047).

Images