Finishing equipment for sealing groove in end of fixed flange

Abstract

The invention discloses trimming equipment for a sealing groove in the end of a fixed flange, and belongs to the technical field of chemical equipment production. The flange grinding device comprises a base plate provided with a fixing shaft sleeve, the base plate is provided with fixing bolts for fixing a flange to be ground in the circumferential direction, a driving sleeve is rotationally connected with the fixing shaft sleeve, the driving sleeve is connected with a base, radial adjusting devices are arranged at the two ends of the base, and an adjustable guide rod base is connected with a tool apron. The middle part of the axial adjusting device is in sliding fit with the center of the fixed shaft sleeve, and the other end of the axial adjusting device is in threaded connection with the interior of the fixed shaft sleeve; the feeding control mechanism comprises a feeding screw and a feeding control piece, and the two ends of the feeding control piece are connected with the tool apron in a sliding mode. The rotating driving sleeve drives the base and the cutter on the cutter holder to rotate around the axis; the driving sleeve is rotated to drive the base and the tool on the tool apron to rotate around the axis, the sealing groove of the flange to be ground is trimmed, the cutting depth can be precisely controlled, and the trimming precision is improved.

Description

Technical Field

[0001] The invention relates to a fixing flange end sealing groove dressing device, belonging to the technical field of chemical equipment production. Background Art

[0002] In the modern chemical industry, chemical production equipment often needs to meet the requirements of high temperature, high pressure and corrosion resistance. The materials are generally high-grade stainless steel such as 2507 stainless steel, and some even use expensive zirconium alloy. In order to facilitate disassembly, when flanges are used for local pipe connections, rigid stainless steel sealing rings are often used for sealing in order to meet the harsh production conditions (see attached). Figure 15 In actual engineering, the tie rod bolts 17 are tightened with double nuts at each end. Because the sealing ring is made of rigid material, the sealing cones at each end of the sealing ring and the sealing groove at the flange end must meet very high precision. Before installation, the matching flanges and sealing rings are machined on high-precision processing equipment, which generally meets the requirements. However, after long-term use, especially after pipeline disassembly for equipment maintenance, the sealing surface of the original sealing ring groove may be damaged. To improve sealing reliability and eliminate safety hazards, the sealing surface of the sealing ring groove must be repaired. However, since the flange and pipeline are welded and fixed at this time, they cannot be moved or rotated, making repair difficult and requiring the use of specialized auxiliary tools. Summary of the Invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art that the flange and the pipeline are in a welded fixed state, cannot be moved or rotated, and are difficult to repair, and to provide a fixed flange end sealing groove repair device; In order to achieve the above objectives / solve the above technical problems, the present invention is implemented by adopting the following technical solutions: A fixing flange end sealing groove dressing device, comprising: A base plate, wherein the base plate is provided with a fixed sleeve, and the base plate is provided with fixing bolts for fixing the flange to be ground along the circumferential direction; A driving sleeve, the driving sleeve is rotatably connected to the fixed shaft sleeve, the driving sleeve is connected to a base, both ends of the base are provided with radial adjustment devices, the radial adjustment device is provided with an adjustable guide rod seat, and the adjustable guide rod seat is connected to a knife seat; An axial adjustment device, one end of which is rotatably connected to the center of the base, the middle portion of which is slidably engaged with the center of the fixed sleeve, and the other end of which is threadedly connected to the interior of the fixed sleeve; A feed control mechanism, comprising a feed screw and a feed control member, wherein the feed screw is inserted into the interior of the axial adjustment device and threadedly connected; the feed control member is movably connected to the feed screw, and both ends of the feed control member are respectively slidably connected to the tool holder; The driving device is arranged on the back of the base plate and is used to rotate the driving sleeve to drive the base and the tool on the tool holder to rotate around the axis to trim the sealing groove of the flange to be ground.

[0004] Optionally, the driving device is provided with a driving shaft, the driving shaft passes through a driving gear provided basically, and the driving gear is engaged and rotated with a driving gear provided on the outside of the driving sleeve.

[0005] Optionally, the axial adjustment device includes a positioning screw, one end of which is provided with a smooth screw inner hole for sliding connection with the smooth outer circle of the middle section of the feed screw, and the other end is provided with an internal thread for connecting with the external thread of the feed screw; A screw fixing ring is provided at the position where the positioning screw is connected to the base. Balls, a retaining frame and a wear-resistant ring are respectively provided at both ends of the screw fixing ring for realizing rotational connection with the base.

[0006] Optionally, a set screw is provided in the radial direction for fixing the feed screw and the positioning screw tube.

[0007] Optionally, a screw fixing ring is provided at the position where the feed screw is connected to the feed control member, and balls, a retaining frame and a wear-resistant ring are provided on both sides of the screw fixing ring for achieving a rotational connection with the feed control member.

[0008] Optionally, one end of the feed screw extending out of the positioning screw tube is provided with a hexagon socket.

[0009] Optionally, straight guide rods are fixedly provided at both ends of the feed control member, and the straight guide rods are slidably connected to the tool holders.

[0010] Optionally, the radial adjustment device includes a fine-tuning slider assembly including a fine-tuning slider, a wedge block, a pressure block and a fine-tuning mechanism. The fine-tuning slider and the wedge block are arranged side by side in the slider guide groove at the end of the base. The pressure block is fixed to the base by a tightening screw, which further clamps the fine-tuning slider with the wedge block. A fine-tuning mechanism accommodating cavity for accommodating the fine-tuning mechanism is provided on the fine-tuning slider.

[0011] Optionally, the fine-tuning mechanism includes a fine-tuning screw, a fine-tuning nut, a washer, and a fine-tuning knob. The fine-tuning screw is radially arranged in the fine-tuning mechanism accommodating cavity, the stud section of the fine-tuning screw is screwed into the screw hole at one end of the fine-tuning nut, and the other end of the fine-tuning nut is clamped in the base. The two ends of the stud of the fine-tuning nut are respectively slidably clamped in the fine-tuning mechanism accommodating cavity through washers, and a fine-tuning knob is fixed at the outer end of the fine-tuning nut.

[0012] Optionally, the base plate is a circular plate with long bolt holes distributed around the periphery, one end of the long bolt hole is the proximal end, and the other end is the distal end.

[0013] Compared with the prior art, the present invention has the following beneficial effects: The device of the present invention drives the base and the tool on the tool holder to rotate around the axis by rotating the driving sleeve to trim the sealing groove of the flange to be ground, and is provided with axial, radial and fine-tuning structures so that the cutting depth can be precisely controlled, thereby improving the trimming precision. The equipment of the present invention trims the sealing ring groove of the end of the fixed flange welded to the pipeline. The cutting direction of the tool is controlled by the axial and radial adjustment mechanisms and the feed control mechanism to feed along the tangential direction of the sealing surface. At the same time, the blade involved in the cutting is small, the required cutting force is small, the tool is not easy to vibrate, and the quality of the sealing surface is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is an overall structural diagram of an embodiment of the device of the present invention; Figure 2 Shown is a view of the present invention and the flange to be trimmed in an installed state; Figure 3 Shown is a schematic diagram of the tool and feed control mechanism of the present invention; Figure 4 The figure shows a cross-sectional view of the connection between the tool holder, the position adjustment device and the positioning screw of the present invention; Figure 5 Shown is a schematic diagram of the tool holder and position adjustment device of the present invention; Figure 6 The figure shows a schematic diagram of the tool holder and the position adjustment device of the present invention being moved out of the base; Figure 7 Shown is a structural schematic diagram of the fine-tuning slider of the present invention; Figure 8 Shown is a schematic structural diagram of the fine-tuning mechanism of the present invention; Figure 9 Shown is a schematic diagram of the positioning screw structure of the present invention; Figure 10 Shown is a schematic structural diagram of the feed control block of the present invention; Figure 11 Shown is a schematic diagram of the feed screw structure of the present invention; Figure 12 Shown is a schematic structural diagram of the substrate and the rotation drive mechanism of the present invention; Figure 13 Shown is a schematic structural diagram of the drive sleeve and drive gear of the present invention; Figure 14 Shown is a schematic diagram of the fixed sleeve structure of the present invention; Figure 15 Shown is a schematic diagram of the flange hard seal structure of the present invention; In the figure: 01-base plate, 011-bolt hole, 012-bolt, 013-sleeve; 2-fixed sleeve, 21-flange, 22-internal thread, 23-set screw, 24 bearing; 3-driving sleeve, 31-driving gear, 32-fixing pin, 33-radial hole; 4-driving device, 41-driving motor, 42-driving shaft, 43-driving gear; 5-base, 51-base center hole, 52-slider guide groove 1, 53-slider guide groove 2, 54-guide sleeve, 55-end plate 1; 6 - fine-tuning slider assembly 1, 61 - fine-tuning slider 1, 611 - long hole, 612 - fine-tuning mechanism accommodating chamber, 62 - wedge 1, 63 - pressure block 1, 631 - compression screw, 64 - fine-tuning mechanism 1, 641 - fine-tuning screw 1, 642 - fine-tuning nut 1, 643 - washer, 644 - fine-tuning knob 1; 7- Fine-tuning slider component 2; 8-adjustable guide rod seat one, 81-oblique guide rod one; 9-Adjustable guide rod seat 2, 91-Oblique guide rod 2; 10- tool holder 1, 101- oblique guide hole 1, 102- straight guide hole 1, 103- tool rod 1, 104- tool 1; 11- knife block 2, 114- knife block 2; 12-positioning screw, 121-screw fixing ring, 122-ball and cage, 123-wear-resistant ring, 124-external thread, 125-hexagonal, 126-screw inner hole, 127-internal thread, 128-set screw; 13-feed control member, 131-control member center hole, 132-end plate 2, 133-straight guide rod 1, 134-straight guide rod 2; 14-feed screw, 141-screw fixing ring, 142-ball and cage, 143-wear-resistant ring, 144-thread, 145-optical axis; 15- auxiliary positioning sleeve; 16- flange to be repaired, 17- tie rod bolt, 18- sealing ring. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0017] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0018] like Figures 1-15 As shown, a fixing flange end sealing groove trimming device is disclosed, comprising: Base plate 01, the base plate is provided with a fixed sleeve 2, and the base plate 01 is provided with fixing bolts 012 along the circumferential direction for fixing the flange to be ground; A driving sleeve 3, which is rotatably connected to the fixed shaft sleeve 2, and is connected to a base 5. Both ends of the base are provided with radial adjustment devices, and the radial adjustment devices are provided with adjustable guide rod seats, and the adjustable guide rod seats are connected to a knife seat; An axial adjustment device, one end of which is rotatably connected to the center of the base 5, the middle portion of which is slidably engaged with the center of the fixed sleeve, and the other end of which is threadedly connected to the inner portion of the fixed sleeve; A feed control mechanism, comprising a feed screw and a feed control member, wherein the feed screw is inserted into the interior of the axial adjustment device and threadedly connected; the feed control member is movably connected to the feed screw, and both ends of the feed control member are respectively slidably connected to the tool holder; The driving device 4 is provided on the back of the base plate and is used to rotate the driving sleeve to drive the base and the tool on the tool holder to rotate around the axis to trim the sealing groove of the flange to be ground.

[0019] In the specific implementation process, the base plate 01 is a circular plate with long bolt holes 011 distributed around the periphery (see Figure 1 、 Figure 2 、 Figure 12 ), elongated bolt hole 011 has one end proximal to the center and the other distal to the center, allowing for connection to flanges of varying sizes. A fixing bolt 012 passes leftward through bolt hole 011 and is secured to base plate 01 via a nut. A sleeve 013 of equal length is fitted over fixing bolt 012. The left end of fixing bolt 012 passes through the threaded hole of the flange to be ground and is secured to the flange via a nut.

[0020] In the specific embodiment, a through hole is provided in the center of the base plate 01. The fixed sleeve 2 passes vertically through the central through hole of the base plate 01 and is fixedly connected to the base plate 01 through the flange 21 (see attached Figure 12 ).

[0021] In this embodiment, a smooth through hole is provided in the left section of the axis of the fixed sleeve 2, which slides with the smooth outer circle of the middle section of the positioning screw 12; an internal thread 22 is provided at the right end of the axis of the fixed sleeve 2, and the internal thread 22 is screwed into the external thread 124 at the right end of the positioning screw 12; a screw hole is radially provided at the left end of the fixed sleeve 2, and a set screw 23 is provided in the hole, which is used to fix the positioning screw 12 and the fixed sleeve 2 so that they do not rotate (when the axial position of the base 5 needs to be adjusted, the set screw 23 needs to be loosened so that the positioning screw 12 can be rotated, so that the positioning screw 12 moves axially relative to the fixed sleeve 2, and the left end of the positioning screw 12 pushes the base 5 to move axially. At other times, the set screw 23 needs to lock the positioning screw 12).

[0022] In this embodiment, the driving sleeve 3 is located at the inner end of the base plate 01 and is rotatably mounted with the fixed sleeve 2 via a bearing 24. A driving gear 31 is fixedly provided on the outer side of the right end of the driving sleeve 3.

[0023] A fixing pin 32 is evenly distributed axially on the left end of the drive sleeve 3 (see attached Figure 13 The fixing pin 32 is slidably inserted into the hole of the guide sleeve 54 fixedly provided on the inner circumference of the base 5. When the driving sleeve 3 rotates, the fixing pin 32 drives the base 5 and the two tool holders to rotate synchronously to perform cutting. It should be noted that during cutting feed, the base 5 only rotates and does not require axial feed. At this time, the tool holder and the tool are fed obliquely along the oblique guide rod under the axial movement of the feed control member 13.

[0024] A radial hole 33 is further provided on the left side of the driving gear 31 on the driving sleeve 3 . The radial hole 33 is for facilitating the insertion of a tool to tighten or loosen the set screw 23 on the fixed shaft sleeve 2 .

[0025] In this embodiment, the driving motor 41 of the driving device 4 is fixedly installed at the right end of the base plate 01. The driving shaft 42 passes through the corresponding hole on the base plate 01, and a driving gear 43 is fixed on the driving shaft 42. The driving gear 43 is engaged with the driving gear 31 (see the attached Figure 12 ).

[0026] The rotation drive mechanism operates as follows: the drive motor 41 rotates, the drive shaft 42 drives the driving gear 43 and the drive gear 31 to rotate, and the fixed pins 32 evenly distributed on the left end of the drive sleeve 3 drive the base 5 to rotate as a whole, driving the tool on the tool holder to cut.

[0027] In this embodiment, the axial adjustment device includes a positioning screw 12. In the specific implementation process, the positioning screw 12 (see the attached Figure 4 、 9 ) is provided with a smooth inner hole 126 of the screw tube at the left section of the axis, which slides with the smooth outer circle of the middle section of the feed screw 14; the right end of the axis of the positioning screw tube 12 is provided with an internal thread 127, which is screwed with the external thread 144 at the right end of the feed screw 14 (see attached Figure 11 ); The middle section of the positioning screw 12 is a smooth outer cylinder, which slides with the smooth inner hole of the left section of the fixed sleeve 2; The left end of the positioning solenoid 12 is fixed with a solenoid fixing ring 121. At both ends of the solenoid fixing ring 121 are respectively provided with a ball bearing and a retainer 122 and a wear ring 123 (the rolling elements at both ends of the solenoid fixing ring 121 can be replaced with other bearings). The rolling element at the left end of the positioning solenoid 12 is integrally rotatably assembled in the center hole 51 of the base 5. The two ends are respectively limited by end plates 55 fixed at both ends of the base center hole 51 (see attached). Figure 4 ).

[0028] The right end of the positioning solenoid 12 is provided with an external thread 124. This thread 124 engages with the internal thread 22 on the right end of the fixed sleeve 2. A hexagonal tab 125 on the right end of the positioning solenoid 12 extends beyond the right end of the fixed sleeve 2, facilitating the use of a tool to rotate the positioning solenoid 12, thereby axially moving the positioning solenoid 12 relative to the fixed sleeve 2 and, in turn, displacing the base 5 to adjust the axial position of the guide rod seat.

[0029] A set screw 128 is radially provided at the left end of the smooth outer cylinder in the middle section of the positioning screw 12 to secure the feed screw 14 to the positioning screw 12. (The set screw 128 is only loosened when the feed screw 14 needs to be rotated to drive the feed control member 13 to move the tool holder for oblique feeding).

[0030] Axial position adjustment of the base 5: When the axial position of the base 5 needs to be adjusted, loosen the set screw 23, use a wrench to rotate the positioning screw 12, so that the positioning screw 12 moves axially relative to the fixed sleeve 2, and the left end of the positioning screw 12 pushes the base 5 to move axially. Tighten the set screw 23 to lock the positioning screw 12.

[0031] In this embodiment, the radial adjustment device is provided with a slider guide groove 1 52 and a slider guide groove 2 53 at both ends of the base 5, and a fine-tuning slider assembly 1 6 and a fine-tuning slider assembly 2 7 are provided in the guide grooves.

[0032] The fine-tuning slider assembly 6 includes a fine-tuning slider 61, a wedge block 62, a pressure block 63, a tightening screw 631, a fine-tuning mechanism 64, etc.

[0033] The fine-tuning slider 61 and the wedge block 62 are arranged side by side in the slider guide groove 52 at one end of the base 5, and the pressure block 63 is fixed on the left side of the base 5. Tightening the clamping screw 631 can allow the wedge block 62 to clamp and fix the fine-tuning slider 61.

[0034] A fine-tuning mechanism accommodating chamber 612 is provided on the back of the fine-tuning slider 61. A fine-tuning mechanism 64 is disposed within this accommodating chamber. The fine-tuning mechanism 64 comprises a fine-tuning screw 641, a fine-tuning nut 642, a washer 643, and a fine-tuning knob 644. The fine-tuning screw 641 is radially disposed, with the stud section of the fine-tuning screw 641 screwed into the screw hole at the left end of the fine-tuning nut 642. The right end of the fine-tuning nut 642 is secured to the back plate hole of the slider guide slot 52 of the base 5 (see attached diagram). Figure 4 The ends of the stud of the fine-tuning nut 642 are respectively slidably clamped in the fine-tuning mechanism accommodating cavity 612 through washers 643 (the fit can be controlled by the thickness of the washers). A fine-tuning knob 644 is fixed to the outer end of the fine-tuning nut 642.

[0035] Slightly loosen the clamping screw 631 and turn the fine-tuning knob 644 to fine-tune the radial position of the fine-tuning slider 61 in the slider guide groove 52. After reaching the predetermined position, tighten the clamping screw 631 again.

[0036] Fine-adjustment slider assembly 2 7 includes fine-adjustment slider 2, wedge block 2, pressure block 2, clamping screw, and fine-adjustment mechanism 2 (they are identical in structure to fine-adjustment slider 1 61 and are therefore not labeled in the accompanying figures). Fine-adjustment slider 2 and wedge block 2 are positioned side by side within slider guide groove 2 62 at the other end of base 5. Pressure block 2 is fixed to the left side of base 5. Tightening clamping screw 731 secures wedge block 2 to fine-adjustment slider 2. Fine-adjustment mechanism 2 7 has the same structure as fine-adjustment mechanism 1 64.

[0037] Adjustable guide rod seat 8 is screw-fixed to the left side of fine-tuning slider 61. Fine-tuning slider 61 has a radially defined slot 611 for the screw (a corresponding slot for an Allen wrench is also provided on the back of base 5). Loosening the screw allows the radial position of adjustable guide rod seat 8 to be moved radially. An inclined guide rod 81 is fixed diagonally to the left side of adjustable guide rod seat 8. The axis of inclined guide rod 81, the sealing surface of the V-shaped sealing ring groove at the end of the flange to be trimmed, and the cross-section through the center of the flange are located above the flange centerline, with the intersection line on the outside of the flange aligning with the direction of the intersection line. (That is, the angle between the axis of inclined guide rod 81 and the axis of base 5 is equal to half the angle between the V-shaped sealing surfaces of the V-shaped sealing ring groove at the end of the flange to be trimmed.) Adjustable guide rod seat 2 9 is fixedly connected to the left side of fine-tuning slide block 2 71 by screw. Its radial adjustment mode is identical with adjustable guide rod seat 1 8.

[0038] An inclined guide rod 2 91 is fixed obliquely to the left side of the adjustable guide rod seat 2 9, and the axis of the inclined guide rod 2 91 is the same as the axis of the inclined guide rod 1 81 (the axes of the two inclined guide rods are parallel because the sealing surface of the V-shaped sealing ring groove at the end of the flange to be trimmed is a symmetrical structure).

[0039] In this embodiment, the feed control mechanism includes a feed screw 14 and a feed control member 13. The optical axis section of the middle section of the feed screw 14 is slidably engaged with the smooth inner hole 126 of the left section of the axis of the positioning solenoid 12. The outer thread 144 of the right section of the feed screw 14 is screwed into the inner thread 127 of the right end of the axis of the positioning solenoid 12 (see attached). Figure 11 ).

[0040] The right end of the feed screw 14 extends out of the right end of the positioning screw tube 12 , and a hexagon socket is provided at the rightmost end of the feed screw 14 to facilitate the rotation of the feed screw 14 .

[0041] A screw fixing ring 141 is fixed to the left side of the left section of the feed screw 14. Ball bearings and retainers 142 and wear rings 143 are respectively provided on both sides of the screw fixing ring 141 (the rolling elements at both ends of the screw fixing ring 141 can be replaced by other bearings). The rolling element at the left end of the feed screw 14 is integrally rotatably assembled in the center hole 131 of the control member. The two ends are respectively limited by end plates 132 fixed at both ends of the center hole 131 of the control member (see attached). Figure 3 ).

[0042] A straight guide rod 133 and a straight guide rod 2 134 are fixedly provided at both ends of the feed control member 13 .

[0043] In this embodiment, the tool holders include two: tool holder 10, which slides with the oblique guide rod 81 via an oblique guide hole 101. Tool holder 10 also has a straight guide hole 102, which slides with the straight guide rod 133 at one end of the feed control member 13.

[0044] A tool bar 103 is fixed to the left side of the tool holder 10, and a forming tool 104 is provided at the end of the tool bar 103. The outer blade direction of the forming tool 104 is consistent with the direction of the oblique guide rod 81.

[0045] The structure of the knife seat 2 11 is the same as that of the knife seat 1 10, and it slides with the inclined guide rod 2 91 through the inclined guide hole. A straight guide hole is also provided on the knife seat 2 11, which slides with the straight guide rod 2 134 located at the other end of the feed control member 13.

[0046] A knife bar 2 is fixedly provided on one side of the knife seat 11 to the left, and a forming tool 2 114 is provided at the end of the knife bar 2. The inner blade direction of the forming tool 2 114 is consistent with the direction of the oblique guide rod 2 91.

[0047] The outer blade of the first forming tool 104 , the inner blade of the second forming tool 114 , and the center line of the base 5 are located in the same plane.

[0048] The auxiliary positioning sleeve 15 is used to position the center of the trimming device and the flange to be trimmed.

[0049] Usage process: 1.Reference Figure 15 First, remove the tie rod bolt 17, remove a fixed flange, remove the sealing ring 18, and press the trimming device to Figure 2 As shown, it is fixedly connected to the flange 16 to be trimmed; 2. Loosen the set screw 128 on the positioning screw 12, rotate the feed screw 14 forward, so that the feed control member 13 drives the two tool holders to move to the left limit position, and lock the feed screw 14; 3. Loosen the set screw 23 and use a wrench to rotate the positioning screw 12 to adjust the axial position of the base 5 so that the base 5 drives the tool to move left and enter the V-shaped groove at the end of the fixed flange; At the same time, the positions of the adjustable guide rod holder 1 8 and the adjustable guide rod holder 2 9 need to be adjusted radially, so that the outer blade of the forming tool 104 contacts the outer annular surface of the V-shaped groove, and the inner blade of the forming tool 2 114 contacts the inner annular surface of the V-shaped groove. After adjustment, the positions of the adjustable guide rod holders are locked. Tighten the set screw 23 to lock the positioning solenoid 12, and fix the axial position of the base 5; 4. Loosen the set screw 128 on the positioning screw 12, and rotate the feed screw 14 in the opposite direction, so that the feed control member 13 drives the two tool holders to move right to the limit position; 5. Fine-tune the radial adjustment slider 1 61 outward and the radial adjustment slider 2 71 inward (the displacement is controlled according to the required cutting amount). Lock them after fine-tuning; 6. Start the motor 41. The drive shaft 42 drives the driving gear 43 and the drive gear 31 to rotate. The fixed pins 32 evenly distributed on the left end of the drive sleeve 3 drive the base 5 to rotate as a whole, driving the tool on the tool holder to rotate around the axis. 7. Rotate the feed screw 14 forward, causing the feed control member 13 to move the two tool holders diagonally to the left. The outer blade of the forming tool 104 cuts the outer annular surface of the V-groove, and the inner blade of the forming tool 2 114 cuts the inner annular surface of the V-groove. After the tools have cut to the far left, they move back to the right, and the motor stops. If necessary, repeat the above cutting process.

[0050] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A fixing flange end sealing groove dressing device, characterized in that: include: A base plate, wherein the base plate is provided with a fixed sleeve, and the base plate is provided with fixing bolts for fixing the flange to be ground along the circumferential direction; A driving sleeve, the driving sleeve is rotatably connected to the fixed shaft sleeve, the driving sleeve is connected to a base, radial adjustment devices are provided at both ends of the base, the radial adjustment device is provided with an adjustable guide rod seat, and the adjustable guide rod seat is connected to a knife seat; An axial adjustment device, one end of which is rotatably connected to the center of the base, the middle part of which is slidably matched with the center of the fixed sleeve, and the other end of which is threadedly connected to the inner part of the fixed sleeve; A feed control mechanism, the feed control mechanism comprising a feed screw and a feed control member, the feed screw being inserted into the axial adjustment device and being threadedly connected; the feed control member being movably connected to the feed screw, and both ends of the feed control member being slidably connected to the tool holder; The driving device is arranged on the back of the base plate and is used for rotating the driving sleeve to drive the base and the tool on the tool holder to rotate around the axis to trim the sealing groove of the flange to be ground.

2. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: The driving device is provided with a driving shaft, and the driving shaft passes through a driving gear which is basically provided. The driving gear is meshed and rotated with the driving gear sleeved on the outer side of the driving sleeve.

3. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: The axial adjustment device comprises a positioning screw tube, one end of which is provided with a smooth screw tube inner hole for sliding connection with the smooth outer circle of the middle section of the feed screw, and the other end is provided with an internal thread for connecting with the external thread of the feed screw; A screw fixing ring is provided at the position where the positioning screw is connected to the base, and balls, a retaining frame and a wear-resistant ring are respectively provided at both ends of the screw fixing ring for realizing rotational connection with the base.

4. The fixing flange end sealing groove dressing device according to claim 3, characterized in that: A set screw is arranged in the radial direction for fixing the feed screw and the positioning screw tube.

5. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: A screw fixing ring is provided at the position where the feed screw is connected to the feed control member, and balls, a retaining frame and a wear-resistant ring are respectively provided on both sides of the screw fixing ring to achieve rotational connection with the feed control member.

6. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: One end of the feed screw extending out of the positioning screw tube is provided with a hexagon socket.

7. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: Straight guide rods are fixedly provided at both ends of the feed control member, and the straight guide rods are slidably connected to the tool holders.

8. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: The radial adjustment device includes a fine-tuning slider assembly including a fine-tuning slider, a wedge block, a pressure block and a fine-tuning mechanism. The fine-tuning slider and the wedge block are arranged side by side in a slider guide groove at the end of the base. The pressure block is fixed to the base by a clamping screw, which further clamps the fine-tuning slider with the wedge block. A fine-tuning mechanism accommodating cavity for accommodating the fine-tuning mechanism is provided on the fine-tuning slider.

9. The fixing flange end sealing groove dressing device according to claim 8, characterized in that: The fine-tuning mechanism includes a fine-tuning screw, a fine-tuning nut, a washer, and a fine-tuning knob. The fine-tuning screw is radially arranged in the fine-tuning mechanism accommodating chamber, the stud section of the fine-tuning screw is screwed into the screw hole at one end of the fine-tuning nut, the other end of the fine-tuning nut is clamped in the base, and the two ends of the stud of the fine-tuning nut are respectively slidably clamped in the fine-tuning mechanism accommodating chamber through washers, and a fine-tuning knob is fixedly provided on the outer end of the fine-tuning nut.

10. The fixing flange end sealing groove dressing device according to claim 1, characterized in that: The base plate is a circular plate, and long bolt holes are evenly distributed around the periphery, one end of the long bolt hole is a proximal end, and the other end is a distal end.

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