Steel pipe surface trepanning mechanism for steel pipe machining

Abstract

The utility model relates to the technical field of steel pipe machining, in particular to a steel pipe surface trepanning mechanism for steel pipe machining, which comprises a base, a concave support frame and an electric push rod, a positioning seat is arranged in the center of the top of the base, and limiting frames are fixed on two sides of the top of the positioning seat through bolts. A lifting frame and a positioning frame penetrate through the periphery of the limiting frame from top to bottom through preformed holes; the air cylinder drives the positioning frame to descend so that the arc-shaped limiting clamping groove A can be matched with the arc-shaped limiting clamping groove B to position and clamp the steel pipe, then the electric push rod drives the punching block to drive the punch to descend into the limiting hole to make contact with the steel pipe to conduct punching operation on the steel pipe, in the process, the limiting hole assists in limiting the punch, and the situation that the punching quality is affected due to slipping is avoided; and meanwhile, the lifting frame and the positioning frame are limited in an auxiliary mode through the limiting frame, and therefore the machining quality is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe processing technical field, concretely relates to a steel pipe surface trepanning mechanism for steel pipe processing. BACKGROUND

[0002] Steel pipe is steel material with hollow section, and its length is much larger than diameter or circumference, and is divided into round, square, rectangular and special-shaped steel pipes according to section shape, and is divided into carbon structural steel pipe, low alloy structural steel pipe, alloy steel pipe and composite steel pipe according to material, and currently, part steel pipes need to be trepanned due to different uses.

[0003] At present, only positioning mechanism for steel pipe is provided when steel pipe is trepanned, and slippage problem is prone to occur when punch contacts pipe body surface, thereby affecting trepanning quality, and therefore the steel pipe surface trepanning mechanism for steel pipe processing is provided to facilitate auxiliary positioning of punch, thereby avoiding slippage problem and improving trepanning quality. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a steel pipe surface trepanning mechanism for steel pipe processing to facilitate auxiliary positioning of punch, thereby avoiding slippage problem and improving trepanning quality.

[0005] The utility model discloses a steel pipe surface trepanning mechanism for steel pipe processing adopts the technical scheme that a kind of steel pipe surface trepanning mechanism for steel pipe processing, including base, concave support frame and electric push rod, the base top center position is provided with positioning seat, the positioning seat top both sides are all fixed with limit support by bolt, the limit support periphery is by upper and lower respectively through the reserved hole and is penetrated with lifting frame and positioning frame;

[0006] The positioning seat top corresponds the limit support inboard and is all provided with cylinder by bolt, the positioning frame bottom and the positioning seat top surface are respectively provided with arc type limit slot A and arc type limit slot B, and position corresponds, the lifting frame bottom corresponds the arc type limit slot A position and is provided with punch block, the punch block bottom is provided with punch, the positioning seat top surface corresponds the punch position and is provided with limit hole.

[0007] By adopting the above technical scheme, the steel pipe is placed in the arc type limit slot B of positioning seat, then the arc type limit slot A is cooperated with the arc type limit slot B to position and clamp the steel pipe by driving positioning frame to descend by cylinder, then the punch block drives punch to descend into limit hole by electric push rod and contacts the steel pipe to carry out trepanning operation, in this process, the punch is limited by limit hole, slippage is avoided, and trepanning quality is affected;

[0008] Meanwhile, the lifting frame and positioning frame are limited by limit support, so that the processing quality is further improved.

[0009] And through the lubrication hole to facilitate personnel to add lubricating oil, etc., and through the liquid hole to facilitate the lubricating oil into the limiting hole, when the punch penetrates into the limiting hole, to achieve the effect of lubrication, reduce the friction between the punch and the inner wall of the limiting hole, avoid the wear and tear problem.

[0010] Specifically, the top of the base is provided with a concave support frame corresponding to the periphery of the positioning seat.

[0011] By adopting the above technical scheme, the concave support frame is used to support and fix the electric push rod.

[0012] Specifically, the electric push rod is installed at the center position of the inner wall of the concave support frame through a bolt, and the driving end of the electric push rod is connected with the lifting frame.

[0013] By adopting the above technical scheme, the electric push rod is used to drive the lifting frame to lift.

[0014] Specifically, the driving ends of the air cylinders are connected with the positioning frame.

[0015] By adopting the above technical scheme, the air cylinder is used to drive the positioning frame to descend, so that the arc-shaped limiting clamping groove A cooperates with the arc-shaped limiting clamping groove B to position the steel pipe.

[0016] Specifically, the top surface of the positioning seat is provided with a lubrication hole corresponding to one side of the limiting hole, and the limiting hole and the lubrication hole are communicated through a liquid hole.

[0017] By adopting the above technical scheme, the lubrication hole is used to facilitate personnel to add lubricating oil, etc., and the liquid hole is used to facilitate the lubricating oil to enter the limiting hole, so that the punch can penetrate into the limiting hole to achieve the effect of lubrication and reduce the friction between the punch and the inner wall of the limiting hole.

[0018] The utility model discloses a beneficial effect:

[0019] The utility model discloses a steel pipe surface trepanning mechanism for steel pipe machining, through the air cylinder drive positioning frame decline makes arc type limiting clamping groove A cooperation arc type limiting clamping groove B to the steel pipe positioning clamping, again through electric push rod drive punch block drive punch decline into limiting hole contact to the steel pipe and carry out trepanning operation, in this process, through limiting hole auxiliary punch limiting, avoid the skid and influence trepanning quality, simultaneously, through the limiting frame to the lifting frame and positioning frame auxiliary limiting, thereby further promote the processing quality.

[0020] The utility model discloses a steel pipe surface trepanning mechanism for steel pipe machining, through the lubrication hole to facilitate personnel to add lubricating oil, etc., and through the liquid hole to facilitate the lubricating oil to enter the limiting hole, so that the punch can penetrate into the limiting hole to achieve the effect of lubrication and reduce the friction between the punch and the inner wall of the limiting hole. DRAWINGS

[0021] The utility model is further illustrated below in combination with the drawings and embodiments.

[0022] Figure 1 It is the overall schematic view of the utility model;

[0023] Figure 2 It is the lubricating hole structure schematic view of the utility model;

[0024] Figure 3 It is the liquid passage hole structure schematic view of the utility model;

[0025] In the drawing: 1, base; 2, positioning seat; 3, concave support frame; 4, limiting frame; 5, lifting frame; 6, positioning frame; 7, air cylinder; 8, arc limiting slot A; 9, arc limiting slot B; 10, electric push rod; 11, punch block; 12, punch; 13, limiting hole; 14, lubricating hole; 15, liquid passage hole. Specific implementation

[0026] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation modes.

[0027] In order to avoid the problem of slipping and improve the opening quality, as shown in the utility model, a steel pipe surface opening mechanism for steel pipe machining is provided, which comprises a base 1, a concave support frame 3 and an electric push rod 10. Figures 1-3

[0028] The positioning seat 2 top corresponds to the limiting frame 4 inner side and is provided with an air cylinder 7 through a bolt, the limiting frame 6 bottom and the positioning seat 2 top surface are respectively provided with an arc limiting slot A 8 and an arc limiting slot B 9, and the positions correspond, the lifting frame 5 bottom corresponds to the arc limiting slot A 8 position and is provided with a punch block 11, the punch block 11 bottom is provided with a punch 12, and the positioning seat 2 top surface corresponds to the punch 12 position and is provided with a limiting hole 13.

[0029] In use, the steel pipe is placed in the arc limiting slot B 9 of the positioning seat 2, then the positioning frame 6 is driven to descend by the air cylinder 7 so that the arc limiting slot A 8 cooperates with the arc limiting slot B 9 to position and clamp the steel pipe, then the punch block 11 is driven to descend by the electric push rod 10 to drive the punch 12 to enter the limiting hole 13 and contact the steel pipe to perform the opening operation, in the process, the punch 12 is limited by the limiting hole 13 to avoid slipping and affect the opening quality;

[0030] ​Meanwhile, the lifting frame 5 and the positioning frame 6 are assisted and limited by the limiting frame 4, so that the machining quality is further improved.

[0031] The lubricating hole 14 is used for adding lubricating oil, and the through liquid hole 15 is used for facilitating the lubricating oil to enter the limiting hole 13, so that the punch 12 is lubricated when penetrating the limiting hole 13, the friction between the punch 12 and the inner wall of the limiting hole 13 is reduced, and the abrasion problem is avoided.

[0032] In order to avoid the slipping problem and improve the opening quality, as shown in Figure 1 , Figure 2 , Figure 3 The utility model discloses still include, the recessed support frame 3 is provided with on the top of base 1 corresponding to the outer periphery of positioning seat 2.

[0033] When using, through recessed support frame 3 support fixed electric push rod 10.

[0034] As shown in Figure 1 The utility model discloses still include, the recessed support frame 3 inner wall center position is equipped with electric push rod 10 through bolt, and the electric push rod 10 drive end is connected with lifting frame 5.

[0035] When using, through electric push rod 10 drive lifting frame 5 lift.

[0036] As shown in Figure 1 The utility model discloses still include, and the drive end of cylinder 7 is connected with positioning frame 6.

[0037] When using, through cylinder 7 drive positioning frame 6 drop, make arc type limit card slot A 8 with arc type limit card slot B 9 cooperation and locate steel pipe.

[0038] As shown in Figure 1 , Figure 2 , Figure 3 The utility model discloses still include, the top surface of positioning seat 2 is equipped with lubricating hole 14 on one side corresponding to limiting hole 13, and the limiting hole 13 is connected with lubricating hole 14 through through liquid hole 15.

[0039] When using, through lubricating hole 14 to facilitate personnel to add lubricating oil etc., and through through liquid hole 15 to facilitate lubricating oil to enter limiting hole 13, so that the punch 12 is lubricated when penetrating the limiting hole 13, the friction between the punch 12 and the inner wall of the limiting hole 13 is reduced.

[0040] The utility model discloses a positioning and clamping of arc type limiting card slot A8 and arc type limiting card slot B9 to steel pipe is realized through the drive of cylinder 7 and electric push rod 10, and the hole of steel pipe is contacted and is operated to the steel pipe through the drive of electric push rod 10 and the drive of punch 12 and the entering of punch 12 into limiting hole 13, in this process, punch 12 is assisted to limit through limiting hole 13, avoids the skidding and influences the quality of hole opening, and the utility model discloses a hole opening device for steel pipe is provided.

[0041] Meanwhile, the lifting frame 5 and the positioning frame 6 are assisted to limit through the limiting frame 4, so that the machining quality is further improved.

[0042] And through lubricating hole 14 to facilitate personnel to add lubricating oil etc., and through liquid passage 15 to facilitate the lubricating oil to enter limiting hole 13, when punch 12 penetrates limiting hole 13, to reach the lubricating effect, reduce the friction of punch 12 and the inner wall of limiting hole 13, avoid the abrasion problem.

[0043] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and the utility model will have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel pipe surface drilling mechanism for steel pipe processing, characterized in that, Including base (1), concave support frame (3) and electric push rod (10), the top center of the base (1) is provided with a positioning seat (2), both sides of the top of the positioning seat (2) are fixed with a limiting frame (4) through bolts, the limiting frame (4) is penetrated by a lifting frame (5) and a positioning frame (6) from top to bottom through the reserved hole respectively; The inner side of the limiting frame (4) is provided with a pneumatic cylinder (7) through bolts on the top of the positioning seat (2), the bottom of the positioning frame (6) and the top surface of the positioning seat (2) are respectively provided with arc limiting clamping groove A (8) and arc limiting clamping groove B (9), and the positions are corresponding, the bottom of the lifting frame (5) is provided with a punch (11) at the position corresponding to the arc limiting clamping groove A (8), the bottom of the punch (11) is provided with a punch head (12), the top surface of the positioning seat (2) is provided with a limiting hole (13) at the position corresponding to the punch head (12).

2. A steel pipe surface hole opening mechanism for steel pipe working according to claim 1, characterized by The top of the base (1) is provided with a concave support frame (3) corresponding to the outer periphery of the positioning seat (2).

3. A steel pipe surface hole opening mechanism for steel pipe working according to claim 1, characterized by The inner wall center of the concave support frame (3) is provided with an electric push rod (10) through bolts, and the driving end of the electric push rod (10) is connected with the lifting frame (5).

4. The steel pipe surface hole opening mechanism for steel pipe working according to claim 1, characterized by The driving end of the pneumatic cylinder (7) is connected with the positioning frame (6).

5. A steel pipe surface hole opening mechanism for steel pipe working according to claim 1, characterized by The top surface of the positioning seat (2) is provided with a lubricating hole (14) on one side corresponding to the limiting hole (13), and the limiting hole (13) and the lubricating hole (14) are communicated through a liquid passage (15).

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