High-precision inner hole boring device for duplex stainless steel pipe

Abstract

The utility model relates to the technical field of stainless steel pipe machining, in particular to a duplex stainless steel pipe high-precision inner hole boring device which comprises a bottom plate, a support is fixedly connected to the upper surface of the bottom plate, a first motor is fixedly connected to the upper surface of the support, and the output end of the first motor is fixedly connected with a first rotating shaft. A tool bit is mounted at the end, away from the first motor, of the first rotating shaft, a connecting block is mounted at the front end of the tool bit, a mounting plate is fixedly connected to the upper surface of the bottom plate, a mounting groove is formed in the mounting plate, a mounting frame is mounted in the mounting groove, and a second rotating shaft is movably connected to the side end of the mounting frame; the end, away from the mounting frame, of the second rotating shaft is fixedly connected with a connecting ring, and the outer surface of the second rotating shaft is sleeved with a stainless steel pipe. According to the feeding device, the feeding speed during stainless steel pipe machining can be guaranteed to be consistent, shaking during boring is reduced, and the stainless steel pipe boring precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel pipe processing field especially relates to a duplex stainless steel pipe high accuracy inner hole boring device. BACKGROUND

[0002] In the production process of stainless steel pipe, the inner diameter may have certain size deviation. Through boring processing, the inner diameter size of the steel pipe can be accurately controlled to meet the design requirements and the strict requirements of various engineering applications on the inner diameter precision of the pipe.

[0003] In order to ensure the precision of boring, the feeding speed of the stainless steel pipe needs to be consistent, and the shaking of the stainless steel pipe during boring needs to be reduced to avoid errors during the inner hole boring of the stainless steel pipe due to the feeding speed and shaking problems. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a duplex stainless steel pipe high accuracy inner hole boring device, which mainly solves the technical problems of ensuring the consistency of the feeding speed during the processing of the stainless steel pipe, reducing the shaking during boring and improving the boring precision of the stainless steel pipe.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a duplex stainless steel pipe high accuracy inner hole boring device, including the bottom plate, the upper surface of the bottom plate is fixedly connected with the support, the upper surface of the support is fixedly connected with the first motor, the output end of the first motor is fixedly connected with the first rotating shaft, the end, away from the first motor of the first rotating shaft, is installed with the tool bit, the front end of the tool bit is installed with the connecting block, the upper surface of the bottom plate is fixedly connected with the mounting plate, the inside of the mounting plate is equipped with the installation groove, the inside of the installation groove is installed with the mounting frame, the side end of the mounting frame is movably connected with the second rotating shaft, the end, away from the mounting frame of the second rotating shaft, is fixedly connected with the connecting ring, the connecting block is located in the inside of the connecting ring, and the outer surface of the second rotating shaft is sleeved with the stainless steel pipe.

[0006] Through the connecting block on the tool bit and the connecting ring on the second rotating shaft, when the first motor works to drive the first rotating shaft to rotate, the second rotating shaft also rotates together, which can ensure the stability of the tool bit rotation, avoid the shaking of the tool bit during boring processing, cause the boring precision to drop, and improve the precision during boring.

[0007] Further description of the above technical scheme:

[0008] The top of the mounting plate is installed with the fixing frame, the bottom of the fixing frame is located in the inside of the installation groove, and the fixing frame is located above the mounting frame.

[0009] By adopting the technical scheme, the mounting frame is fixed and limited inside the mounting groove on the mounting plate through the fixing frame.

[0010] As a further description of the above technical scheme:

[0011] The upper surface of the bottom plate is fixedly connected with a second motor, an output end of the second motor is fixedly connected with a lead screw, and one end of the lead screw away from the second motor is movably connected with the outer surface of the mounting plate.

[0012] By adopting the technical scheme, the lead screw can be driven to rotate through the operation of the second motor.

[0013] As a further description of the above technical scheme:

[0014] The outer surface of the lead screw is threadedly connected with a first support frame, the top of the first support frame is provided with a first arc-shaped groove, and the first support frame is further provided with a fixed buckle at the top, and the stainless steel pipe is fixed in the first arc-shaped groove through the fixed buckle.

[0015] By adopting the technical scheme, the stainless steel pipe is sleeved on the second rotating shaft and fixed in the first arc-shaped groove on the first support frame through the fixed buckle, the second rotating shaft will not drive the stainless steel pipe to rotate when the second rotating shaft rotates with the first rotating shaft, and the first support frame will move the stainless steel pipe back and forth when the lead screw is driven to rotate by the second motor.

[0016] As a further description of the above technical scheme:

[0017] The outer surface of the lead screw is threadedly connected with a second support frame, the second support frame is located on the right side of the first support frame, the top of the second support frame is provided with a second arc-shaped groove, the second rotating shaft is located in the second arc-shaped groove, and the right end of the stainless steel pipe is attached to the left side of the second support frame.

[0018] By adopting the technical scheme, the second support frame will push the stainless steel pipe at the right end of the stainless steel pipe when the lead screw is driven to rotate by the second motor, so that the stainless steel pipe can move at a uniform speed, and the processing of the stainless steel pipe is facilitated.

[0019] As a further description of the above technical scheme:

[0020] The upper surface of the bottom plate is provided with a moving groove, and the bottoms of the first support frame and the second support frame are located inside the moving groove.

[0021] By adopting the technical scheme, the first support frame and the second support frame can move back and forth.

[0022] As a further description of the above technical scheme:

[0023] The first support frame and the second support frame are fixedly connected with connecting rods, and the number of the connecting rods is multiple.

[0024] By adopting the above technical scheme, the first support frame and the second support frame can be moved forward and backward.

[0025] By adopting the above technical scheme, the utility model discloses a kind of high-precision inner hole boring device of duplex stainless steel pipe at least has the following beneficial effects:

[0026] 1, compared with prior art, the high-precision inner hole boring device of duplex stainless steel pipe, the connecting block on cutter head and the connecting ring on second shaft, when the first motor works and drives first shaft rotation, second shaft can also rotate together, can guarantee the stability when cutter head rotates, avoid cutter head to appear jitter when boring, leading to boring precision drop, can improve the precision when boring.

[0027] 2, compared with prior art, the high-precision inner hole boring device of duplex stainless steel pipe, when using, stainless steel pipe is sleeved on second shaft, and is fixed in the first arc-shaped groove inside on first support frame by fixed buckle, when second shaft rotates along with first shaft, stainless steel pipe will not be rotated, simultaneously, when second motor drives screw rod rotation, first support frame will move forward and backward with stainless steel pipe, when second motor drives screw rod rotation, second support frame will push stainless steel pipe on the right end of stainless steel pipe, can let stainless steel pipe advance at uniform speed, facilitate the processing of stainless steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The utility model provides a kind of high-precision inner hole boring device of duplex stainless steel pipe of the overall structure schematic diagram of the utility model is proposed;

[0029] Figure 2 The internal structure section view of the high-precision inner hole boring device of duplex stainless steel pipe of the utility model is proposed;

[0030] Figure 3 The high-precision inner hole boring device of duplex stainless steel pipe of the utility model is proposed Figure 2 The structure enlarged view of A place in figure;

[0031] Figure 4 The structure diagram when using of the high-precision inner hole boring device of duplex stainless steel pipe of the utility model is proposed.

[0032] LEGEND:

[0033] 1, bottom plate; 2, mounting plate; 3, support; 4, first motor; 5, first rotating shaft; 6, tool bit; 7, connecting block; 8, mounting bracket; 9, second rotating shaft; 10, connecting ring; 11, stainless steel pipe; 12, fixed frame; 13, moving groove; 14, second motor; 15, screw; 16, first support frame; 17, connecting rod; 18, second support frame. DETAILED DESCRIPTION

[0034] Referring to Figures 1-4 The utility model provides a kind of high-precision inner hole boring device of duplex stainless steel pipe provided by the utility model: including bottom plate 1, the upper surface of bottom plate 1 is fixedly connected with support 3, the upper surface of support 3 is fixedly connected with first motor 4, the output of first motor 4 is fixedly connected with first rotating shaft 5, and the end of first rotating shaft 5 away from first motor 4 is installed with tool bit 6, and the front end of tool bit 6 is installed with connecting block 7, the upper surface of bottom plate 1 is fixedly connected with mounting plate 2, and mounting groove is set in the inside of mounting plate 2, and mounting bracket 8 is installed in the inside of mounting groove of mounting plate 2, and fixed frame 12 is installed on the top of mounting plate 2, and the bottom of fixed frame 12 is in the inside of mounting groove, and fixed frame 12 is above mounting bracket 8, and mounting bracket 8 is fixedly limited in the inside of mounting groove of mounting plate 2 by fixed frame 12, and the side end of mounting bracket 8 is movably connected with second rotating shaft 9, bearing is arranged in the inside of mounting bracket 8, and one end of second rotating shaft 9 is installed in the inside of bearing and can rotate in mounting bracket 8, and connecting ring 10 is fixedly connected with the end of second rotating shaft 9 away from mounting bracket 8, and connecting block 7 is in the inside of connecting ring 10, and the outer surface of second rotating shaft 9 is sleeved with stainless steel pipe 11, when using, mounting bracket 8 can be taken down, stainless steel pipe 11 is sleeved on second rotating shaft 9, and then mounting bracket 8 is installed back, and stainless steel pipe 11 can be installed to device inside for processing, and operation is more convenient, when first motor 4 works and drives first rotating shaft 5 to rotate, second rotating shaft 9 also rotates by connecting block 7 on tool bit 6 and connecting ring 10 on second rotating shaft 9, and the stability when tool bit 6 rotates can be guaranteed, avoid tool bit 6 to appear to shake when boring, leading to boring precision to drop, and the precision when boring can be improved.

[0035] The upper surface of the bottom plate 1 is fixedly connected with a second motor 14, the output end of the second motor 14 is fixedly connected with a lead screw 15, one end of the lead screw 15 away from the second motor 14 is movably connected with the outer surface of the mounting plate 2, the lead screw 15 can be driven to rotate by the working of the second motor 14, the outer surface of the lead screw 15 is threadedly connected with a first support frame 16, the top of the first support frame 16 is provided with a first arc-shaped groove, the top of the first support frame 16 is also provided with a fixed buckle, the stainless steel pipe 11 is fixed in the first arc-shaped groove through the fixed buckle, the stainless steel pipe 11 is sleeved on the second rotating shaft 9 and is fixed in the first arc-shaped groove on the first support frame 16 through the fixed buckle, the second rotating shaft 9 will not drive the stainless steel pipe 11 to rotate when the second rotating shaft 9 rotates with the first rotating shaft 5, and the first support frame 16 will drive the stainless steel pipe 11 to move forward and backward when the lead screw 15 is driven to rotate by the second motor 14, the outer surface of the lead screw 15 is threadedly connected with a second support frame 18, the second support frame 18 is located on the right side of the first support frame 16, the top of the second support frame 18 is provided with a second arc-shaped groove, the second rotating shaft 9 is located in the second arc-shaped groove, and the right end of the stainless steel pipe 11 is attached to the left side of the second support frame 18, the second support frame 18 will push the stainless steel pipe 11 at the right end of the stainless steel pipe 11 when the lead screw 15 is driven to rotate by the second motor 14, so that the stainless steel pipe 11 can move at a constant speed, and the stainless steel pipe 11 is convenient to process.

[0036] The upper surface of the bottom plate 1 is provided with a moving groove 13, the bottoms of the first support frame 16 and the second support frame 18 are located in the moving groove 13, a connecting rod 17 is fixedly connected between the first support frame 16 and the second support frame 18, and the number of the connecting rods 17 is plural, so that the first support frame 16 and the second support frame 18 can move forward and backward.

[0037] Working principle: when in use, the connecting block 7 on the cutter head 6 and the connecting ring 10 on the second rotating shaft 9 are connected, the second rotating shaft 9 will also rotate when the first rotating shaft 5 is driven to rotate by the working of the first motor 4, so that the stability of the cutter head 6 during rotation can be ensured, and the cutter head 6 is prevented from shaking during boring processing, so that the boring precision is prevented from being reduced, the precision during boring can be improved, the stainless steel pipe 11 is sleeved on the second rotating shaft 9 and is fixed in the first arc-shaped groove on the first support frame 16 through the fixed buckle, the second rotating shaft 9 will not drive the stainless steel pipe 11 to rotate when the second rotating shaft 9 rotates with the first rotating shaft 5, the first support frame 16 will drive the stainless steel pipe 11 to move forward and backward when the lead screw 15 is driven to rotate by the second motor 14, the second support frame 18 will push the stainless steel pipe 11 at the right end of the stainless steel pipe 11 when the lead screw 15 is driven to rotate by the second motor 14, so that the stainless steel pipe 11 can move at a constant speed, and the stainless steel pipe 11 is convenient to process.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-precision inner hole boring device for duplex stainless steel pipe, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a support (3), the upper surface of the support (3) is fixedly connected with a first motor (4), the output end of the first motor (4) is fixedly connected with a first rotating shaft (5), one end of the first rotating shaft (5) away from the first motor (4) is provided with a tool bit (6), the front end of the tool bit (6) is provided with a connecting block (7), the upper surface of the bottom plate (1) is fixedly connected with a mounting plate (2), the inside of the mounting plate (2) is provided with a mounting groove, the inside of the mounting groove is provided with a mounting frame (8), the side end of the mounting frame (8) is movably connected with a second rotating shaft (9), one end of the second rotating shaft (9) away from the mounting frame (8) is fixedly connected with a connecting ring (10), the connecting block (7) is located in the inside of the connecting ring (10), the outer surface of the second rotating shaft (9) is provided with a stainless steel pipe (11).

2. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 1, characterized in that: The top of the mounting plate (2) is provided with a fixing frame (12), the bottom of the fixing frame (12) is located in the inside of the mounting groove, and the fixing frame (12) is located above the mounting frame (8).

3. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a second motor (14), the output end of the second motor (14) is fixedly connected with a lead screw (15), one end of the lead screw (15) away from the second motor (14) is movably connected with the outer surface of the mounting plate (2).

4. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 3, characterized in that: The outer surface of the lead screw (15) is threadedly connected with a first support frame (16), the top of the first support frame (16) is provided with a first arc-shaped groove, the top of the first support frame (16) is also provided with a fixed buckle, and the stainless steel pipe (11) is fixedly connected in the inside of the first arc-shaped groove through the fixed buckle.

5. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 4, characterized in that: The outer surface of the lead screw (15) is threadedly connected with a second support frame (18), the second support frame (18) is located on the right side of the first support frame (16), the top of the second support frame (18) is provided with a second arc-shaped groove, the second rotating shaft (9) is located in the inside of the second arc-shaped groove, and the right side end of the stainless steel pipe (11) is attached to the left side surface of the second support frame (18).

6. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 5, characterized in that: The upper surface of the bottom plate (1) is provided with a moving groove (13), and the bottoms of the first support frame (16) and the second support frame (18) are located in the inside of the moving groove (13).

7. The high-precision inner hole boring device for duplex stainless steel pipe according to claim 6, characterized in that: A plurality of connecting rods (17) are fixedly connected between the first support frame (16) and the second support frame (18).

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