Semi-automatic elbow end part edging machine

Abstract

The utility model discloses a semi-automatic elbow end part edging machine. The semi-automatic elbow end part edging machine comprises a base, and a workbench and two groups of cutting devices which are arranged on the base, the cutting device moves on the base through the sliding assembly, and an elbow to be machined is arranged on the workbench. The cutting device comprises a spindle box, a telescopic rod assembly and a cutting head, the bottom of the spindle box is arranged on the base through a sliding assembly, the telescopic rod assembly is connected with the connecting end of a spindle box rotating shaft, and the distance between the cutting head and the end of the elbow on the workbench is adjusted through the telescopic rod assembly; the cutting head is driven by the rotating shaft to rotate around the periphery of the elbow to cut the elbow. Meanwhile, the two ends of a to-be-machined elbow workpiece are cut at the same time, the edge trimming efficiency of the elbow is greatly improved, the spindle box can slide on the base, the distance between the cutting head and the to-be-machined elbow is adjusted in cooperation with the telescopic rod assembly so as to be suitable for the edge trimming process of elbows of different sizes, and it is guaranteed that the cutting faces of the ends of the elbows are flat; and the edging quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of elbow processing, in particular to a semi-automatic elbow end trimming machine. Background Art

[0002] With the continuous development of the oil and gas pipeline industry and the continuous increase in pipeline mileage, the requirements for scientific, digital and intelligent pipeline construction and maintenance are becoming higher and higher. In the construction and maintenance of long-distance oil and gas pipelines and urban gas pipelines, elbows, as an important part of long-distance pipelines and urban gas pipelines, often involve pipeline corner assembly, and the elbows need to be trimmed and cut according to the actual situation on site.

[0003] The traditional cutting method is manual marking and manual trimming of the elbow end, but manual trimming will cause the cut end face of the elbow to be uneven, and the processing efficiency is low, time-consuming and labor-intensive. In addition, the processing allowance is large, which increases the labor volume and labor intensity for subsequent processing. Utility Model Content

[0004] The utility model provides a semi-automatic elbow end trimming machine to overcome the above problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A semi-automatic elbow end trimming machine comprises a base, a workbench arranged on the base and two sets of cutting devices;

[0007] The two groups of cutting devices are respectively arranged on both sides of the workbench, and the cutting devices can move towards or away from the workbench on the base through a sliding assembly, and the elbow to be processed is placed on the workbench;

[0008] A group of the cutting devices includes a spindle box, a telescopic rod assembly and a cutting head. The bottom of the spindle box can be slidably arranged on the base through the sliding assembly. One end of the telescopic rod is fixed to the connecting end of the rotating shaft of the spindle box, and the other end of the telescopic rod is fixed with the cutting head. The cutting head can move closer to or away from the connecting end of the rotating shaft through the telescopic rod, and adjust the distance from the cutting head to the elbow end on the workbench; the cutting head can rotate around the outer periphery of the elbow end as the rotating shaft rotates and cut the elbow end.

[0009] Furthermore, the telescopic rod assembly includes a first connecting rod, a second connecting rod, a top screw and a sliding sleeve;

[0010] The fixed end of the first connecting rod is fixedly connected to the laterally arranged rotating shaft, the second connecting rod is arranged parallel to the rotating shaft, one end of the second connecting rod is slidably connected to the first connecting rod through the sliding sleeve and the top screw, and the other end of the second connecting rod is fixedly connected to the cutting head, and the head of the cutting head faces the outer wall of the elbow.

[0011] Furthermore, the base is also provided with a plurality of elbow inner arc positioning devices for positioning the inner arc of the elbow to be processed, and the plurality of elbow inner arc positioning devices are all arranged on one side of the workbench, and the elbow inner arc positioning devices include a fixed plate and a positioning plate, the bottom of the fixed plate is arranged on the base, the positioning plate is arranged horizontally and one end of the positioning plate can abut against the inner arc outer wall of the elbow, the positioning plate can adjust its position on the fixed plate so that it is close to or away from the workbench toward one end of the elbow, and the positioning plate is fixed to the fixed plate by fasteners.

[0012] Furthermore, the sliding assembly includes a track arranged on the base, a slider arranged on the bottom of the spindle box, and a connecting plate fixed to one side of the bottom of the spindle box. The spindle box is installed on the track through the slider and can slide on the track. The bottom of the fixing part passes through the connecting plate and extends into the track to fix the connecting plate on the track.

[0013] Furthermore, a driving motor and a belt are provided in the spindle box, and the driving motor drives the rotating shaft to rotate through the belt, and drives the cutting head to rotate around the outer periphery of the elbow end by driving the telescopic rod assembly.

[0014] Furthermore, the cutting head is a flame cutting head.

[0015] The beneficial effects of the utility model are:

[0016] The utility model discloses a semi-automatic elbow end trimming machine, which is provided with cutting devices on both sides of the workbench, and can simultaneously cut both ends of the elbow workpiece to be processed, thereby greatly improving the trimming efficiency of the elbow. Moreover, the spindle box of the trimming machine can slide on the base, and the cutting head can be driven to the processing point by driving the rotating shaft and the telescopic rod assembly. At the same time, the cutting head can be close to or away from the rotating shaft and the workbench through the telescopic rod assembly, so as to adjust the distance between the cutting head and the elbow to be processed, so as to facilitate the adjustment of the position of the cutting head to adapt to the trimming process of elbows of different sizes, ensure the flatness of the cutting surface of the elbow end, and ensure the trimming quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a front view of a semi-automatic elbow end trimming machine disclosed in an embodiment of the utility model;

[0019] Figure 2 It is a top view of a semi-automatic elbow end trimming machine disclosed in an embodiment of the utility model;

[0020] Figure 3 It is a top view of an elbow inner arc positioning device of a semi-automatic elbow end trimming machine disclosed in an embodiment of the utility model.

[0021] In the figure: 1. base; 11. track; 2. workbench; 3. elbow inner arc positioning device; 31. fixing plate; 32. positioning plate; 4. spindle box; 41. driving motor; 42. belt; 43. connecting plate; 5. telescopic rod assembly; 51. first connecting rod; 52. second connecting rod; 53. top screw; 54. sliding sleeve; 6. cutting head; 7. rotating shaft; 71. connecting end; 8. fixing piece; 9. elbow. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-2 The semi-automatic elbow end trimming machine provided in this embodiment includes a base 1, a workbench 2 arranged on the base, and two sets of cutting devices;

[0024] The two groups of cutting devices are respectively arranged on both sides of the workbench, and the cutting devices can move towards or away from the workbench on the base through a sliding assembly, and the elbow 9 to be processed is placed on the workbench;

[0025] A group of the cutting devices includes a spindle box 4, a telescopic rod assembly 5 and a cutting head 6. The bottom of the spindle box can be slidably arranged on the base 1 through the sliding assembly. One end of the telescopic rod is fixed to the connecting end 71 of the rotating shaft 7 of the spindle box, and the other end of the telescopic rod is fixed with the cutting head 6. The cutting head can move closer to or away from the connecting end of the rotating shaft through the telescopic rod, and adjust the distance from the cutting head to the elbow end on the workbench; the cutting head can rotate around the outer periphery of the elbow end as the rotating shaft rotates and cut the elbow end.

[0026] The utility model discloses a semi-automatic elbow end trimming machine, which is provided with cutting devices on both sides of a workbench, and can simultaneously cut both ends of an elbow workpiece to be processed, thereby greatly improving the trimming efficiency of the elbow. Moreover, the spindle box of the trimming machine can slide on the base, and the cutting head is driven to move to the processing point by driving the rotating shaft and the telescopic rod. At the same time, the cutting head can approach or move away from the rotating shaft and the workbench through the telescopic rod, so as to adjust the distance from the cutting head to the elbow to be processed, which is convenient for adjusting the position of the cutting head to be suitable for the trimming process of elbows of different sizes, and ensures the flatness of the cutting surface of the elbow end, thereby ensuring the trimming quality.

[0027] In a specific embodiment, the telescopic rod assembly 5 includes a first connecting rod 51, a second connecting rod 52, a top screw 53 and a sliding sleeve 54;

[0028] The fixed end of the first connecting rod 51 is fixedly connected to the laterally arranged rotating shaft 7, and the second connecting rod 52 is arranged parallel to the rotating shaft 7. One end of the second connecting rod 52 is slidably connected to the first connecting rod 51 through the sliding sleeve 54 and the top screw 53, and the other end of the second connecting rod 52 is fixedly connected to the cutting head, and the head of the cutting head faces the outer wall of the elbow. According to the size of the elbow actually processed, the position of the second connecting rod on the first connecting rod is adjusted by loosening the top screw and driving the sliding sleeve to slide on the first connecting rod by external force, and then the distance between the cutting head provided at one end of the second connecting rod and the end of the elbow is adjusted to facilitate the cutting head to process the elbow, and then the top screw is tightened to fix the sliding sleeve on the first connecting rod, that is, the second connecting rod is fixed on the first connecting rod, so that the cutting head is fixed to the first connecting rod through the second connecting rod, which is convenient for the cutting head to cut (align the edges) the end of the elbow.

[0029] In a specific embodiment, the base 1 is also provided with a plurality of elbow inner arc positioning devices 3 for positioning the inner arc of the elbow to be processed. The plurality of elbow inner arc positioning devices 3 are all arranged on one side of the workbench 2. The elbow inner arc positioning device includes a fixing plate 31 and a positioning plate 32. The bottom of the fixing plate is arranged on the base. The positioning plate is arranged horizontally and one end of the positioning plate can abut against the outer wall of the inner arc of the elbow. The positioning plate can adjust its position on the fixing plate so that it is close to or away from the workbench toward one end of the elbow. The positioning plate is fixed to the fixing plate by fasteners.

[0030] In this embodiment, if Figure 2 As shown, two elbow inner arc positioning devices 3 are provided. Figure 3 As shown, the cross-sectional shape of the fixing plate is L-shaped, that is, the fixing plate 31 is formed by connecting a first vertical plate 311 and a second vertical plate 312 which are arranged perpendicular to each other. A through hole is provided on the first vertical plate, and the positioning plate is passed through the through hole on the first vertical plate, and one side of the positioning plate abuts against the surface of the second vertical plate, and can be laterally moved and adjusted in the through hole according to the size of different elbows, so that the side of the positioning plate 32 close to the workbench abuts against the outer wall of the inner arc of the elbow to realize the positioning of the inner arc of the elbow. A slideway is provided on the positioning plate, and one end of the bolt passes through the second vertical plate and the slideway on the positioning plate to cooperate with the nut to fix the positioning plate on the second vertical plate, that is, fixed to the fixing plate. The inner arc positioning device of the elbow can roughly position the inner arc of elbows of different sizes, which is convenient for the process of aligning the ends of the elbows and ensuring the quality of the aligning.

[0031] In a specific embodiment, the sliding assembly includes a track 11 arranged on the base 1, a slider arranged at the bottom of the spindle box, and a connecting plate 43 fixed to one side of the bottom of the spindle box 4. The spindle box is installed on the track 11 through the slider and can slide on the track 11. The bottom of the fixing member 8 passes through the connecting plate 43 and extends into the track to fix the connecting plate on the track, that is, the spindle box 4 is fixed on the track 11. The set track 11 and slider enable the spindle box 4 to slide along the track on the base 11, approaching or moving away from the workpiece table to adjust the distance between the cutting head and the elbow to be processed on the workpiece table. The track can limit the movement range of the spindle box and play a guiding role during the sliding of the spindle box. In this embodiment, the fixing part is a bolt. When cutting and trimming elbows of different sizes, the bolt can be loosened and the spindle box can be driven to slide along the track by external force, and the spindle box can be adjusted to a position suitable for processing, that is, the position of the cutting head is adjusted to facilitate the cutting head to trim the elbow. This trimming machine can adapt to the trimming of elbows of different sizes and specifications, meet the process requirements, and has strong flexibility and applicability.

[0032] In a specific embodiment, a driving motor 41 and a belt 42 are provided in the spindle box 4. The driving motor drives the rotating shaft 7 to rotate through the belt, and drives the cutting head 6 to rotate around the outer circumference of the elbow end by driving the telescopic rod assembly 5. In this embodiment, the driving motor 41 is an electromagnetic speed regulating motor, and the belt is a V-belt. The electromagnetic speed regulating motor can adjust the rotation speed of the rotating shaft and the cutting head according to different process requirements, so as to better adapt to different processing requirements.

[0033] In a specific embodiment, the cutting head 6 is a flame cutting head, which has a wide range of applications and can cut metals of various thicknesses, even including cast iron, tungsten steel and other difficult-to-cut materials. Flame cutting has fewer restrictions on the types of materials.

[0034] The specific working process of a semi-automatic elbow end trimming machine disclosed in the utility model is as follows:

[0035] 1. Place the elbow workpiece to be processed on the workbench, with the elbow port facing the spindle box;

[0036] 2. According to the size of the elbow, loosen the fixings (bolts) on the connecting plate, drive the spindle box to move along the track on the base by external force, adjust the spindle box to a suitable distance from the elbow, tighten the bolts, fix the spindle box on the track (base), loosen the top screw on the sliding sleeve, drive the second connecting rod to move to a suitable position on the first connecting rod by external force (determined according to the actual size of the elbow to be processed), that is, adjust the cutting head to the required processing position, tighten the top screw, fix the second connecting rod on the first connecting rod, and complete the adjustment of the cutting head position;

[0037] 3. Loosen the nut of the inner arc positioning device of the elbow, drive the positioning plate to the required position by external force, make one end of it abut against the outer wall of the inner arc of the elbow, tighten the nut to fix the positioning plate, and complete the positioning of the inner arc of the elbow;

[0038] 4. Start the spindle box and drive the motor to run. The drive motor drives the rotating shaft to rotate through the belt. The rotating shaft drives the telescopic rod assembly to rotate. The telescopic rod assembly drives the cutting head to rotate around the outer periphery of the elbow end and cut.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A semi-automatic elbow end trimming machine, characterized in that: It comprises a base (1), a workbench (2) arranged on the base, and two sets of cutting devices; The two groups of cutting devices are respectively arranged on both sides of the workbench, and the cutting devices can move towards or away from the workbench on the base through a sliding assembly, and the elbow (9) to be processed is placed on the workbench; A group of the cutting devices comprises a spindle box (4), a telescopic rod assembly (5) and a cutting head (6); the bottom of the spindle box is slidably arranged on the base (1) through the sliding assembly; one end of the telescopic rod is fixed to the connecting end (71) of the rotating shaft (7) of the spindle box; the other end of the telescopic rod is fixed with the cutting head (6); the cutting head can be moved closer to or away from the connecting end of the rotating shaft through the telescopic rod, and the distance between the cutting head and the elbow end on the workbench can be adjusted; the cutting head can rotate around the outer circumference of the elbow end as the rotating shaft rotates and cut the elbow end.

2. A semi-automatic elbow end trimming machine according to claim 1, characterized in that: The telescopic rod assembly (5) comprises a first connecting rod (51), a second connecting rod (52), a top screw (53) and a sliding sleeve (54); The fixed end of the first connecting rod (51) is fixedly connected to the transversely arranged rotating shaft (7), the second connecting rod (52) is arranged parallel to the rotating shaft (7), one end of the second connecting rod (52) is slidably connected to the first connecting rod (51) through the sliding sleeve (54) and the top screw (53), and the other end of the second connecting rod (52) is fixedly connected to the cutting head, and the head of the cutting head faces the outer wall of the elbow.

3. A semi-automatic elbow end trimming machine according to claim 1, characterized in that: The base (1) is also provided with a plurality of elbow inner arc positioning devices (3) for positioning the inner arc of the elbow to be processed. The plurality of elbow inner arc positioning devices (3) are all arranged on one side of the workbench (2). The elbow inner arc positioning devices include a fixing plate (31) and a positioning plate (32). The bottom of the fixing plate is arranged on the base. The positioning plate is arranged horizontally and one end of the positioning plate can abut against the outer wall of the inner arc of the elbow. The positioning plate can be adjusted on the fixing plate so that it is close to or away from the workbench toward one end of the elbow. The positioning plate is fixed to the fixing plate by a fastener.

4. A semi-automatic elbow end trimming machine according to claim 1, characterized in that: The sliding assembly comprises a track (11) arranged on the base (1), a slider arranged on the bottom of the spindle box, and a connecting plate (43) fixed to one side of the bottom of the spindle box (4); the spindle box is installed on the track (11) through the slider and can slide on the track (11); the bottom of the fixing member (8) passes through the connecting plate (43) and extends into the track to fix the connecting plate on the track.

5. A semi-automatic elbow end trimming machine according to claim 1, characterized in that: The spindle box (4) is provided with a driving motor (41) and a belt (42), and the driving motor drives the rotating shaft (7) to rotate via the belt, and drives the cutting head (6) to rotate around the outer periphery of the elbow end by driving the telescopic rod assembly (5).

6. A semi-automatic elbow end trimming machine according to claim 1, characterized in that: The cutting head (6) is a flame cutting head.

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