CN112091516A - Flange, exhaust pipe and bolt welding tool and technological method - Google Patents

Flange, exhaust pipe and bolt welding tool and technological method Download PDF

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Publication number
CN112091516A
CN112091516A CN202011039400.5A CN202011039400A CN112091516A CN 112091516 A CN112091516 A CN 112091516A CN 202011039400 A CN202011039400 A CN 202011039400A CN 112091516 A CN112091516 A CN 112091516A
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CN
China
Prior art keywords
positioning
supporting
adjusting
flange
plate
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Pending
Application number
CN202011039400.5A
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Chinese (zh)
Inventor
尤俊祺
束方清
陈飞
程丰伟
陆维奇
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Wuxi Weifu Lida Catalytic Converter Co Ltd
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Wuxi Weifu Lida Catalytic Converter Co Ltd
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Publication date
Application filed by Wuxi Weifu Lida Catalytic Converter Co Ltd filed Critical Wuxi Weifu Lida Catalytic Converter Co Ltd
Priority to CN202011039400.5A priority Critical patent/CN112091516A/en
Publication of CN112091516A publication Critical patent/CN112091516A/en
Priority to PCT/CN2021/095406 priority patent/WO2022062437A1/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention relates to a flange, exhaust pipe and bolt welding tool and a process method, comprising a bottom plate, wherein a flange fixing mechanism is arranged on the bottom plate, a bent pipe supporting mechanism is arranged on one side of the flange fixing mechanism, a bent pipe positioning mechanism is arranged on one side of the bent pipe supporting mechanism, the flange fixing mechanism comprises a first vertical plate, a third vertical plate and a fourth vertical plate are arranged on the side surface of the first vertical plate, positioning plates are arranged on the end surfaces of the third vertical plate and the fourth vertical plate, an inner hole positioning plate is arranged in the flange positioning plate, and first half grooves for positioning bolts are arranged at the upper end and the lower end; the flange pressing mechanism is arranged on the four sides of the flange positioning plate and comprises a flange pressing cylinder, one end of the flange pressing cylinder is installed on the first vertical plate, and the other end of the flange pressing cylinder is connected with the upper portion of the first connecting piece. The invention has simple structure, small occupied space and strong popularization; only the welding sequence of the welding parts is changed, and no extra investment is needed. The invention ensures the position degree and the center distance of the welding type bolt by 100 percent, meets the requirements of the checking tool and avoids the conditions of rework and scrap.

Description

Flange, exhaust pipe and bolt welding tool and technological method
Technical Field
The invention belongs to the technical field of welding of automobile exhaust devices, and relates to a flange, exhaust pipe and bolt welding tool and a process method.
Background
When flanges, bolts and pipe fittings are welded in the conventional steps of a production field, due to the fact that the situation that the position tolerance of the welded bolts is not conform to the inspection tool frequently occurs, batch reworking and even scrapping are caused! The solution of the method is urgent.
Disclosure of Invention
The invention aims to provide a flange, exhaust pipe and bolt welding tool and a process method, which can solve the problem of batch reworking and even scrapping.
According to the technical scheme provided by the invention: the utility model provides a flange, blast pipe, bolt welding frock, includes the bottom plate, installation flange fixed establishment on the bottom plate, flange fixed establishment side-mounting return bend supporting mechanism, return bend supporting mechanism side-mounting return bend positioning mechanism.
As a further improvement of the invention, the flange fixing mechanism comprises a first vertical plate, a third vertical plate and a fourth vertical plate are arranged on the side surface of the first vertical plate, a flange positioning plate is arranged on the end surfaces of the third vertical plate and the fourth vertical plate, an inner hole positioning plate is arranged in the flange positioning plate, and the upper end and the lower end of the flange positioning plate are both provided with a first half slot for positioning bolts; the flange is characterized in that a flange pressing mechanism is arranged on the four sides of the flange positioning plate and comprises a flange pressing cylinder, one end of the flange pressing cylinder is installed on the first vertical plate, the other end of the flange pressing cylinder is connected with the upper portion of the first connecting piece, the middle portion of the first connecting piece is hinged to the lower end of the second handle, the middle portion of the first connecting piece is hinged to one end of the fourth connecting rod, the other end of the fourth connecting rod is hinged to the middle portion of the first pressing rod, the upper portion of the first pressing rod is hinged to the flange pressing cylinder piston rod outer end, the lower portion of the first pressing rod is provided with a bolt pressing claw, the middle portion of the second handle is provided with a waist groove, and a pin is connected.
As a further improvement of the present invention, the elbow supporting mechanism includes a supporting adjustment plate, the bottom plate is provided with a supporting X-direction adjustment block and a supporting Y-direction adjustment block, the supporting X-direction adjustment block is connected to the supporting adjustment plate through a supporting X-direction adjustment member, the supporting X-direction adjustment block is slidably provided with the supporting X-direction adjustment member, the supporting Y-direction adjustment block is connected to the supporting adjustment plate through a supporting Y-direction adjustment member, the supporting Y-direction adjustment block is slidably provided with the supporting Y-direction adjustment member, the supporting adjustment plate vertically penetrates a plurality of adjustment holes, the supporting adjustment plate is connected to the bottom plate through a supporting first fastening member, the supporting first fastening member is located in the adjustment holes, a supporting first pressing gasket is provided between the upper end of the adjustment hole and the head of the supporting first fastening member, and a supporting X-direction adjustment gasket is provided between the supporting X-direction adjustment block and the supporting adjustment plate, a support Y-direction adjusting gasket is arranged between the support Y-direction adjusting block and the support adjusting plate; the support adjusting plate is provided with a first vertical plate in a mounting and supporting mode, the support adjusting plate supports a support connecting block on one side of the upper portion of the first vertical plate, the support connecting block supports a first locating block in the upper portion in a mounting and supporting mode, a second locating block in the lower portion in a mounting and supporting mode, a support Z-axis gasket is arranged between the support connecting block and the support second locating block, a support pressing cylinder is arranged below the support connecting block, a piston rod of the support pressing cylinder is hinged to one end of a support pressing rod through a support transition rod, the middle portion of the support pressing rod is hinged to one end of a support connecting rod, the other end of the.
As a further improvement of the present invention, the elbow positioning mechanism includes a positioning adjustment plate, a positioning X-direction adjustment block and a positioning Y-direction adjustment block are mounted on the bottom plate, the positioning X-direction adjustment block is connected to the positioning adjustment plate through a positioning X-direction adjustment member, the positioning X-direction adjustment member is slidably disposed in the positioning X-direction adjustment block, the positioning Y-direction adjustment block is connected to the positioning adjustment plate through a positioning Y-direction adjustment member, the positioning Y-direction adjustment member is slidably disposed in the positioning Y-direction adjustment block, a plurality of adjustment holes vertically penetrate through the positioning adjustment plate, the positioning adjustment plate is connected to the bottom plate through a positioning first fastening member, the positioning first fastening member is located in the adjustment hole, a positioning first pressing gasket is disposed between the upper end of the adjustment hole and the head of the positioning first fastening member, and a positioning X-direction adjustment gasket is disposed between the positioning X-direction adjustment block and the positioning adjustment plate, a positioning Y-direction adjusting gasket is arranged between the positioning Y-direction adjusting block and the positioning adjusting plate; the flange pressing device is characterized in that a first vertical plate is installed and positioned on the positioning adjusting plate, the upper portion of the first vertical plate is an installation inclined plane, a limiting boss is arranged on the installation inclined plane, a guide plate is installed on the first vertical plate, a positioning adjusting groove is formed in the guide plate, the limiting boss is located in the positioning adjusting groove, a positioning adjusting gasket is arranged between the limiting boss and the positioning adjusting groove, a positioning cylinder is installed and positioned on the upper portion of the guide plate through a positioning cylinder installing plate, a positioning plug is installed at the end portion of a piston rod of the positioning cylinder, the positioning cylinder installing plate is hinged to one end of a positioning handle, a positioning waist groove is formed in the middle of the positioning handle, a positioning pin is connected to the side face of the middle of a piston rod of.
As a further improvement of the invention, a separation mechanism is arranged on one side of the flange fixing mechanism; the separating mechanism comprises a first mounting plate, a second vertical plate is vertically mounted on the first mounting plate, a separating cylinder is horizontally mounted on the upper portion of the second vertical plate, a separating slide block is connected to the end portion of a piston rod of the separating cylinder, and a bolt positioning second half groove is formed in the side face of the separating slide block.
As a further improvement of the invention, a mistake-proofing positioning pin is arranged on the separation slide block.
A flange, exhaust pipe and bolt welding process method comprises the following steps:
(1) placing the flange into a flange fixing mechanism; sleeving a flange on a flange inner hole positioning disc, and attaching a mistake-proofing positioning pin to the periphery of the flange;
(2) bolts are placed in the through holes of the flanges; the end part of the bolt extends into a position between the first bolt positioning half groove and the second bolt positioning half groove;
(3) pre-positioning a flange and a bolt; adjusting the position of a bolt in a flange, pushing a handle to drive a flange pressing cylinder piston rod to extend out, driving a first pressing rod to rotate by the flange pressing cylinder piston rod, pressing the bolt by a bolt pressing claw at the end part of the first pressing rod, and pressing the flange by the bolt;
(4) one end of the bent pipe is sleeved into the flange, and the middle part of the bent pipe is placed into the bent pipe supporting mechanism; placing the middle part of the bent pipe between the first supporting positioning block and the second supporting positioning block, pulling the pre-pressing handle to drive the supporting pressure rod to rotate, pressing the bent pipe by the bent pipe pressing claw at the end part of the supporting pressure rod, forming three fastening points with the first supporting positioning block and the second supporting positioning block, and fixing the middle part of the bent pipe;
(5) the other end of the bent pipe is positioned and pressed tightly by using a bent pipe positioning mechanism; pushing the positioning handle to drive the piston rod of the positioning cylinder to extend out, and sleeving the positioning plug into the tail end of the bent pipe;
(6) adjusting the position of the middle part of the bent pipe; loosening the first supporting fastener, rotating the X-direction supporting adjusting piece within the range of the adjusting hole, adjusting the positions of the X-direction supporting adjusting block and the X-direction supporting adjusting block of the supporting adjusting plate, rotating the Y-direction supporting adjusting piece, adjusting the positions of the Y-direction supporting adjusting block and the Y-direction supporting adjusting block of the supporting adjusting plate, placing a supporting X-direction adjusting gasket with a proper size between the X-direction supporting adjusting block and the supporting adjusting plate after the adjustment is completed, a support Y-direction adjusting gasket with a proper size is placed between the support Y-direction adjusting block and the support adjusting plate according to the requirement, the first fastening piece is locked and supported, the head of the first fastening piece is supported, the head of the first fastening piece downwards extrudes the support adjusting plate through the first pressing gasket, the direction adjustment of the X, Y direction in the middle part of the elbow is completed, a height adjusting gasket with a proper size is placed between the second supporting positioning block and the supporting connecting block as required to complete Z-direction adjustment of the middle part of the bent pipe;
(7) adjusting the position of the tail of the bent pipe; loosening the first positioning fastener, rotating and positioning the X-direction adjusting piece within the range of the adjusting hole, adjusting the positions of the positioning adjusting plate in the X direction and the positioning X-direction adjusting block, rotating and positioning the Y-direction adjusting piece, adjusting the positions of the positioning adjusting plate in the Y direction and the positioning Y-direction adjusting block, placing a positioning X-direction adjusting gasket with a proper size between the positioning X-direction adjusting block and the positioning adjusting plate after the adjustment is completed, a positioning Y-direction adjusting gasket with a proper size is placed between the positioning Y-direction adjusting block and the positioning adjusting plate according to the requirement, the first fastening piece is locked and positioned, the head of the first fastening piece is positioned downwards, the positioning adjusting plate is extruded by the first positioning pressing gasket, the direction adjustment of the tail X, Y of the bent pipe is completed, positioning adjusting gaskets with proper sizes are placed between the positioning adjusting grooves of the limiting bosses to complete Z-direction adjustment of the tail of the bent pipe;
(8) starting a flange pressing cylinder, a supporting pressing cylinder and a positioning cylinder, and clamping the flange, the exhaust pipe and the bolt in place; welding a flange and an exhaust pipe ring, and then welding the flange and a bolt;
(9) after welding, the flange pressing cylinder, the separating cylinder, the supporting pressing cylinder and the positioning cylinder retract, and a weldment is taken down.
The positive progress effect of this application lies in:
1. the invention has simple structure, small occupied space and strong popularization; only the welding sequence of the welding parts is changed, and no extra investment is needed.
2. The invention ensures the position degree and the center distance of the welding type bolt by 100 percent, meets the requirements of the checking tool and avoids the conditions of rework and scrap.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a first structure of the flange fixing mechanism and the separating mechanism according to the present invention.
Fig. 3 is a second structural schematic diagram of the flange fixing mechanism and the separating mechanism of the present invention.
FIG. 4 is a schematic structural view of the flange positioning plate of the present invention.
Fig. 5 is a first structural schematic diagram of the elbow support mechanism of the invention.
Fig. 6 is a second structural schematic diagram of the elbow supporting mechanism of the invention.
Fig. 7 is a schematic structural diagram of the elbow positioning mechanism of the present invention.
Fig. 7 is a schematic structural diagram of the elbow positioning mechanism of the present invention.
FIG. 8 is a schematic structural view of the elbow, flange and bolt of the present invention after welding.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In fig. 1 to 8, the device comprises a bottom plate 1, a flange fixing mechanism 2, a bent pipe supporting mechanism 3, a bent pipe positioning mechanism 4, a hand valve control device 5, a separating mechanism 6 and the like.
As shown in figure 1, the invention discloses a flange, exhaust pipe and bolt welding tool, which comprises a bottom plate 1, wherein a flange fixing mechanism 2 is arranged on the bottom plate 1, an elbow supporting mechanism 3 is arranged on one side of the flange fixing mechanism 2, and an elbow positioning mechanism 4 is arranged on one side of the elbow supporting mechanism 3.
As shown in fig. 2-3, the flange fixing mechanism 2 includes a first vertical plate 02-01, a third vertical plate 02-05 and a fourth vertical plate 02-07 are installed on the side surface of the first vertical plate 02-01, a flange positioning plate 02-08 is installed on the end surfaces of the third vertical plate 02-05 and the fourth vertical plate 02-07, an inner hole positioning plate 02-09 is installed in the flange positioning plate 02-08, and as shown in fig. 4, first half grooves for positioning by bolts are formed at the upper end and the lower end of the flange positioning plate 02-08.
And flange pressing mechanisms are arranged on the peripheral sides of the flange positioning plates 02-08. The flange pressing mechanism comprises flange pressing cylinders 02-25, one ends of the flange pressing cylinders 02-25 are mounted on a first vertical plate 02-01, the other ends of the flange pressing cylinders are connected with the upper portions of first connecting pieces 02-19, the middle portions of the first connecting pieces 02-19 are hinged to the lower ends of second handles 02-17, the middle portions of the first connecting pieces 02-19 are hinged to one ends of fourth connecting rods 02-23, the other ends of the fourth connecting rods 02-23 are hinged to the middle portions of first pressing rods 02-22, the upper portions of the first pressing rods 02-22 are hinged to the outer ends of piston rods of the flange pressing cylinders 02-25, and bolt pressing claws are arranged on the lower. The middle part of the second handle 02-17 is provided with a waist groove, and the side surface of the middle part of the piston rod of the flange pressing cylinder 02-25 is connected with a pin which is positioned in the waist groove.
In order to enhance the connection strength of the first vertical plate 02-01 and the bottom plate 1, a first reinforcing plate 02-02 is arranged between the first vertical plate 02-01 and the bottom plate 1.
In order to enhance the connection strength of the third vertical plate 02-05 and the fourth vertical plate 02-07, a second reinforcing plate 02-06 is arranged between the third vertical plate 02-05 and the fourth vertical plate 02-07.
In order to facilitate the operation of the second handle 02-17, a handle 02-18 is installed at the upper end of the second handle 02-17.
As shown in fig. 5-6, the elbow supporting mechanism 3 includes a supporting adjustment plate 03-01, a supporting X-direction adjustment block 03-14 and a supporting Y-direction adjustment block 03-15 are mounted on the bottom plate 1, the supporting X-direction adjustment block 03-14 is perpendicular to the supporting Y-direction adjustment block 03-15, the supporting X-direction adjustment block 03-14 is connected to the supporting adjustment plate 03-01 through a supporting X-direction adjustment member, an adjustment groove is formed in the supporting X-direction adjustment block 03-14, and the supporting X-direction adjustment member is located in the adjustment groove and can slide along the Y-direction. The support Y-direction adjusting block 03-15 is connected with the support adjusting plate 03-01 through a support Y-direction adjusting piece, an adjusting groove is formed in the support Y-direction adjusting block 03-15, and the support Y-direction adjusting piece is located in the adjusting groove and can slide along the X direction. A plurality of adjusting holes vertically penetrate through the supporting adjusting plate 03-01, the supporting adjusting plate 03-01 is connected with the base plate 1 through supporting first fastening pieces 03-16, the supporting first fastening pieces 03-18 are located in the adjusting holes, supporting first pressing gaskets 03-16 are arranged between the upper ends of the adjusting holes and the heads of the supporting first fastening pieces 03-16, supporting X-direction adjusting gaskets 03-17 are arranged between the supporting X-direction adjusting blocks 03-14 and the supporting adjusting plate 03-01, and supporting Y-direction adjusting gaskets are arranged between the supporting Y-direction adjusting blocks 03-15 and the supporting adjusting plate 03-01.
A first vertical plate 03-02 is arranged and supported on a support adjusting plate 03-01, a support connecting block 03-04 is arranged on one side of the upper portion of the first vertical plate 03-02, a first positioning block 03-05 is arranged and supported on the upper portion of the support connecting block 03-04, a second positioning block 03-06 is arranged and supported on the lower portion of the support connecting block 03-04, a support Z-axis gasket 03-01 is arranged between a support connecting block 03-14 and the support second positioning block 03-06, a support compression cylinder 03-08 is arranged below the support connecting block 03-04, a piston rod of the support compression cylinder 03-08 is hinged to one end of a support compression rod 03-10 through a support transition rod 03-11, one end of a support connecting rod 03-12 is hinged to the middle portion of the support compression rod 03-10, the other end of the support connecting rod.
In order to adjust the height of the bent pipe conveniently, a height adjusting gasket 03-07 is arranged between the second supporting positioning block 03-06 and the supporting connecting block 03-04 in a cushioning mode.
The X-direction adjusting piece and the Y-direction adjusting piece are both bolts.
In order to enhance the connection strength of the supporting adjusting plate 03-01 and the supporting first vertical plate 03-02, a supporting first reinforcing plate 03-03 is arranged between the supporting adjusting plate 03-01 and the supporting first vertical plate 03-02.
The first positioning blocks 03-05 are arc-shaped, so that bent pipes can be positioned better.
In order to facilitate manual pre-positioning, a pre-pressing handle is arranged on the outer side of the supporting compression rod 03-10.
As shown in fig. 7, the elbow positioning mechanism 4 includes positioning adjustment plates 04-02, a positioning X-direction adjustment block 04-14 and a positioning Y-direction adjustment block 04-15 are mounted on the base plate 1, the positioning X-direction adjustment block 04-14 is perpendicular to the positioning Y-direction adjustment block 04-15, the positioning X-direction adjustment block 04-14 is connected to the positioning adjustment plates 04-02 through a positioning X-direction adjustment member, an adjustment groove is formed in the positioning X-direction adjustment block 04-14, and the positioning X-direction adjustment member is located in the adjustment groove and can slide along the Y direction. The positioning Y-direction adjusting block 04-15 is connected with the positioning adjusting plate 04-02 through a positioning Y-direction adjusting piece, an adjusting groove is formed in the positioning Y-direction adjusting block 04-15, and the positioning Y-direction adjusting piece is located in the adjusting groove and can slide along the X direction. A plurality of adjusting holes vertically penetrate through the positioning adjusting plate 04-02, the positioning adjusting plate 04-02 is connected with the base plate 1 through a positioning first fastening piece 04-01, the positioning first fastening piece 04-01 is positioned in the adjusting hole, a positioning first pressing gasket 04-16 is arranged between the upper end of the adjusting hole and the head of the positioning first fastening piece 04-01, a positioning X-direction adjusting gasket 04-17 is arranged between the positioning X-direction adjusting block 04-14 and the positioning adjusting plate 04-02, and a positioning Y-direction adjusting gasket is arranged between the positioning Y-direction adjusting block 04-15 and the positioning adjusting plate 04-02.
A positioning first vertical plate 04-03 is arranged on the positioning adjusting plate 04-02, the upper part of the positioning first vertical plate 04-03 is an installation inclined plane, a limiting boss is arranged on the installation inclined plane, a guide plate 04-04 is arranged on the positioning first vertical plate 04-03, a positioning adjusting groove is arranged in the guide plate 04-04, the limiting boss is positioned in the positioning adjusting groove, a positioning adjusting gasket 04-18 is arranged between the limiting boss and the positioning adjusting groove, a positioning cylinder 04-12 is arranged on the upper part of the guide plate 04-04 through a positioning cylinder installation plate 04-05, a positioning plug 04-09 is arranged at the end part of a piston rod of the positioning cylinder 04-12, the positioning cylinder installation plate 04-05 is hinged with one end of a positioning handle 04-10, a positioning waist groove is arranged in the middle part of the positioning handle 04-10, and a positioning pin is, the positioning pin is positioned in the positioning waist groove.
The positioning X-direction adjusting piece and the positioning Y-direction adjusting piece are bolts.
The flange fixing mechanism 2, the elbow supporting mechanism 3 and the elbow positioning mechanism 4 are all connected with a hand valve control device 5.
In order to ensure that the workpiece can be smoothly taken down after welding, a separating mechanism 6 is arranged on one side of the mounting flange fixing mechanism 2.
As shown in fig. 2-3, the separating mechanism 6 comprises a first mounting plate 02-03, the first mounting plate 02-03 is horizontally arranged, a second vertical plate 02-04 is vertically arranged on the first mounting plate 02-03, a separating cylinder 02-26 is horizontally arranged on the upper portion of the second vertical plate 02-04, the end portion of a piston rod of the separating cylinder 02-26 is connected with a separating slide block 02-10 through a separating connecting block 02-12 and a separating guide rod 02-11, and a bolt positioning second half groove is arranged on the side surface of the separating slide block 02-10.
In order to ensure that the flange is positioned correctly during welding, a mistake-proofing positioning pin 02-27 is arranged on the separation sliding block 02-10, and a matched mark is arranged on the flange.
A flange, exhaust pipe and bolt welding process method comprises the following steps:
1. placing the flange into a flange fixing mechanism (02); sleeving a flange on a flange inner hole positioning disc 02-09, and attaching error-proof positioning pins 02-27 to the periphery of the flange;
2. bolts are placed in the through holes of the flanges; the end part of the bolt extends into a position between the first bolt positioning half groove and the second bolt positioning half groove;
3. pre-positioning a flange and a bolt; adjusting the position of a bolt in a flange, pushing a handle 02-18 to drive a piston rod of a flange pressing cylinder 02-25 to extend out, driving a first pressing rod 02-22 to rotate by the piston rod of the flange pressing cylinder 02-25, pressing the bolt by a bolt pressing claw at the end part of the first pressing rod 02-22, and pressing the flange by the bolt;
4. one end of the bent pipe is sleeved into the flange, and the middle part of the bent pipe is placed into the bent pipe supporting mechanism 3; placing the middle part of the bent pipe between the first supporting positioning block 03-05 and the second supporting positioning block 03-06, pulling the pre-pressing handle to drive the supporting pressure rod 03-10 to rotate, pressing the bent pipe by the bent pipe pressing claw at the end part of the supporting pressure rod 03-10 to press the bent pipe, forming three fastening points with the first supporting positioning block 03-05 and the second supporting positioning block 03-06, and fixing the middle part of the bent pipe;
5. the other end of the bent pipe is positioned and pressed tightly by using a bent pipe positioning mechanism 4; pushing the positioning handle 04-10 to drive the piston rod of the positioning cylinder 04-12 to extend out, and sleeving the positioning plug 04-09 into the tail end of the elbow;
6. adjusting the position of the middle part of the bent pipe; loosening the first supporting fastening piece 03-16, rotating the supporting X-direction adjusting piece within the range of the adjusting hole, adjusting the position of the supporting adjusting plate 03-01 in the X direction and the supporting X-direction adjusting block 03-14, rotating the supporting Y-direction adjusting piece, adjusting the position of the supporting adjusting plate 03-01 in the Y direction and the supporting Y-direction adjusting block 03-15, after the adjustment is completed, putting the supporting X-direction adjusting gasket 03-17 with proper size between the supporting X-direction adjusting block 03-14 and the supporting adjusting plate 03-01 as required, putting the supporting Y-direction adjusting gasket with proper size between the supporting Y-direction adjusting block 03-15 and the supporting adjusting plate 03-01 as required, locking and supporting the first fastening piece 03-16, pressing and supporting the adjusting plate 03-01 by the supporting first pressing gasket 03-16 downwards at the head of the first fastening piece 03-16, finishing the direction adjustment of the X, Y middle part of the bent pipe, and putting a height adjusting gasket 03-07 with a proper size between the second supporting positioning block 03-06 and the supporting connecting block 03-04 according to the requirement to finish the Z direction adjustment of the middle part of the bent pipe;
7. adjusting the position of the tail of the bent pipe; loosening and positioning the first fastening piece 04-01, rotating and positioning the X-direction adjusting piece within the range of the adjusting hole, adjusting the position of the positioning adjusting plate 04-02 in the X direction and the positioning X-direction adjusting block 04-14, rotating and positioning the Y-direction adjusting piece, adjusting the position of the positioning adjusting plate 04-02 in the Y direction and the positioning Y-direction adjusting block 04-15, after the adjustment is finished, putting a positioning X-direction adjusting gasket 04-17 with a proper size between the positioning X-direction adjusting block 04-14 and the positioning adjusting plate 04-02 as required, putting a positioning Y-direction adjusting gasket with a proper size between the positioning Y-direction adjusting block 04-15 and the positioning adjusting plate 04-02 as required, locking and positioning the first fastening piece 04-01, pressing and positioning the positioning adjusting plate 04-02 by positioning the first pressing gasket 04-16 downwards at the head of the first fastening piece 04-01, finishing the adjustment of the X, Y direction of the tail part of the bent pipe, and putting positioning adjusting gaskets 04-18 with proper sizes between the positioning adjusting grooves of the limiting lug bosses to finish the adjustment of the Z direction of the tail part of the bent pipe;
8. starting a flange pressing cylinder 02-25, a supporting pressing cylinder 03-08 and a positioning cylinder 04-12, clamping the flange, the exhaust pipe and the bolt in place, welding the flange and the exhaust pipe ring, and then welding the flange and the bolt; so as to ensure the requirement of the center distance of the bolt.
9. After welding, the flange pressing cylinder 02-25, the separating cylinder 02-26, the supporting pressing cylinder 03-08 and the positioning cylinder 04-12 retract, and the weldment is taken down.

Claims (7)

1. The utility model provides a flange, blast pipe, bolt welding frock which characterized in that: the tool comprises a bottom plate (1), a mounting flange fixing mechanism (2) is arranged on the bottom plate (1), an elbow supporting mechanism (3) is arranged on one side of the flange fixing mechanism (2), and an elbow positioning mechanism (4) is arranged on one side of the elbow supporting mechanism (3).
2. The flange, exhaust pipe and bolt welding tool according to claim 1, characterized in that: the flange fixing mechanism (2) comprises a first vertical plate (02-01), a third vertical plate (02-05) and a fourth vertical plate (02-07) are arranged on the side surface of the first vertical plate (02-01), a flange positioning plate (02-08) is mounted on the end surface of the third vertical plate (02-05) and the fourth vertical plate (02-07), an inner hole positioning plate (02-09) is mounted in the flange positioning plate (02-08), and first half grooves for positioning by bolts are formed in the upper end and the lower end of the flange positioning plate (02-08); the flange positioning plate (02-08) is provided with a flange pressing mechanism on the peripheral side, the flange pressing mechanism comprises a flange pressing cylinder (02-25), one end of the flange pressing cylinder (02-25) is installed on the first vertical plate (02-01), the other end of the flange pressing cylinder is connected with the upper portion of a first connecting piece (02-19), the middle portion of the first connecting piece (02-19) is hinged with the lower end of a second handle (02-17), the middle portion of the first connecting piece (02-19) is hinged with one end of a fourth connecting rod (02-23), the other end of the fourth connecting rod (02-23) is hinged with the middle portion of a first pressure rod (02-22), the upper portion of the first pressure rod (02-22) is hinged with the outer end of a piston rod of the flange pressing cylinder (02-25), and the lower portion of the first pressure rod (02-22), a waist groove is formed in the middle of the second handle (02-17), a pin is connected to the side face of the middle of the piston rod of the flange pressing cylinder (02-25), and the pin is located in the waist groove.
3. The flange, exhaust pipe and bolt welding tool according to claim 1, characterized in that: the elbow supporting mechanism (3) comprises a supporting adjusting plate (03-01), an X-direction adjusting block (03-14) and a Y-direction adjusting block (03-15) are installed and supported on the bottom plate (1), the supporting X-direction adjusting block (03-14) is connected with the supporting adjusting plate (03-01) through a supporting X-direction adjusting piece, the supporting X-direction adjusting piece is arranged in the supporting X-direction adjusting block (03-14) in a sliding mode, the supporting Y-direction adjusting block (03-15) is connected with the supporting adjusting plate (03-01) through a supporting Y-direction adjusting piece, the supporting Y-direction adjusting piece is arranged in the supporting Y-direction adjusting block (03-15) in a sliding mode, a plurality of adjusting holes vertically penetrate through the supporting adjusting plate (03-01), and the supporting adjusting plate (03-01) is connected with the bottom plate (1) through a supporting first fastening piece (03-16), the first supporting fastening piece (03-18) is positioned in the adjusting hole, a first supporting pressing gasket (03-16) is arranged between the upper end of the adjusting hole and the head of the first supporting fastening piece (03-16), a supporting X-direction adjusting gasket (03-17) is arranged between the supporting X-direction adjusting block (03-14) and the supporting adjusting plate (03-01), and a supporting Y-direction adjusting gasket is arranged between the supporting Y-direction adjusting block (03-15) and the supporting adjusting plate (03-01); a first vertical plate (03-02) is arranged and supported on the supporting and adjusting plate (03-01), a supporting and connecting block (03-04) is arranged on one side of the upper part of the supporting and adjusting plate (03-02), a first positioning block (03-05) is arranged and supported on the upper part of the supporting and connecting block (03-04), a second positioning block (03-06) is arranged and supported on the lower part of the supporting and connecting block (03-04), a supporting Z-axis gasket (03-01) is arranged between the supporting and connecting block (03-14) and the supporting and second positioning block (03-06), a supporting and pressing cylinder (03-08) is arranged below the supporting and connecting block (03-04), a piston rod of the supporting and pressing cylinder (03-08) is hinged with one end of a supporting and pressing rod (03-10) through a supporting and transition rod (03-11), and the middle part of the supporting, the other end of the supporting connecting rod (03-12) is hinged with the supporting connecting block (03-04), and the other end of the supporting pressure rod (03-10) is provided with a bent pipe pressure claw.
4. The flange, exhaust pipe and bolt welding tool according to claim 1, characterized in that: the elbow positioning mechanism (4) comprises a positioning adjusting plate (04-02), an X-direction adjusting block (04-14) and a Y-direction adjusting block (04-15) are installed and positioned on the bottom plate (1), the X-direction adjusting block (04-14) is connected with the positioning adjusting plate (04-02) through a positioning X-direction adjusting piece, the X-direction adjusting piece is arranged in the X-direction adjusting block (04-14) in a sliding mode, the Y-direction adjusting block (04-15) is connected with the positioning adjusting plate (04-02) through a positioning Y-direction adjusting piece, the Y-direction adjusting piece is arranged in the Y-direction adjusting block (04-15) in a sliding mode, a plurality of adjusting holes vertically penetrate through the positioning adjusting plate (04-02), and the positioning adjusting plate (04-02) is connected with the bottom plate (1) through a positioning first fastener (04-01), the positioning first fastening piece (04-01) is positioned in the adjusting hole, a positioning first pressing gasket (04-16) is arranged between the head of the positioning first fastening piece (04-01) and the upper end of the adjusting hole, a positioning X-direction adjusting gasket (04-17) is arranged between the positioning X-direction adjusting block (04-14) and the positioning adjusting plate (04-02), and a positioning Y-direction adjusting gasket is arranged between the positioning Y-direction adjusting block (04-15) and the positioning adjusting plate (04-02); a first vertical plate (04-03) is arranged and positioned on the positioning adjusting plate (04-02), the upper part of the first vertical plate (04-03) is an installation inclined plane, a limiting boss is arranged on the installation inclined plane, a guide plate (04-04) is arranged on the first vertical plate (04-03), a positioning adjusting groove is formed in the guide plate (04-04), the limiting boss is positioned in the positioning adjusting groove, a positioning adjusting gasket (04-18) is arranged between the limiting boss and the positioning adjusting groove, a positioning cylinder (04-12) is arranged on the upper part of the guide plate (04-04) through a positioning cylinder mounting plate (04-05), a positioning plug (04-09) is arranged at the end part of a piston rod of the positioning cylinder (04-12), and the positioning cylinder mounting plate (04-05) is hinged with one end of a positioning handle (04-10), the middle part of the positioning handle (04-10) is provided with a positioning waist groove, the side surface of the middle part of the piston rod of the flange pressing cylinder (02-25) is connected with a positioning pin, and the positioning pin is positioned in the positioning waist groove.
5. The flange, exhaust pipe and bolt welding tool according to claim 1, characterized in that: a separation mechanism (6) is arranged on one side of the flange fixing mechanism (2); the separating mechanism (6) comprises a first mounting plate (02-03), a second vertical plate (02-04) is vertically mounted on the first mounting plate (02-03), a separating cylinder (02-26) is horizontally mounted at the upper part of the second vertical plate (02-04), the end part of a piston rod of the separating cylinder (02-26) is connected with a separating sliding block (02-10), and a bolt positioning second half groove is formed in the side surface of the separating sliding block (02-10).
6. The flange, exhaust pipe and bolt welding tool according to claim 5, characterized in that: and the separation sliding block (02-10) is provided with a mistake-proofing positioning pin (02-27).
7. A flange, exhaust pipe and bolt welding process method comprises the following steps:
(1) placing the flange into a flange fixing mechanism (02); sleeving a flange on a flange inner hole positioning disc (02-09), and attaching a mistake-proofing positioning pin (02-27) to the periphery of the flange;
(2) bolts are placed in the through holes of the flanges; the end part of the bolt extends into a position between the first bolt positioning half groove and the second bolt positioning half groove;
(3) pre-positioning a flange and a bolt; adjusting the position of a bolt in a flange, pushing a handle (02-18) to drive a piston rod of a flange pressing cylinder (02-25) to extend out, driving a first pressing rod (02-22) to rotate by the piston rod of the flange pressing cylinder (02-25), pressing the bolt by a bolt pressing claw at the end part of the first pressing rod (02-22), and pressing the flange by the bolt;
(4) one end of the bent pipe is sleeved into the flange, and the middle part of the bent pipe is placed into the bent pipe supporting mechanism (3); placing the middle part of the bent pipe between a first supporting positioning block (03-05) and a second supporting positioning block (03-06), pulling a pre-pressing handle to drive a supporting pressure rod (03-10) to rotate, pressing the bent pipe by a bent pipe pressing claw at the end part of the supporting pressure rod (03-10), forming three fastening points with the first supporting positioning block (03-05) and the second supporting positioning block (03-06), and fixing the middle part of the bent pipe;
(5) the other end of the bent pipe is positioned and pressed tightly by using a bent pipe positioning mechanism (4); pushing the positioning handle (04-10) to drive the piston rod of the positioning cylinder (04-12) to extend out, and sleeving the positioning plug (04-09) into the tail end of the elbow;
(6) adjusting the position of the middle part of the bent pipe; loosening a first supporting fastener ((03-16)), rotating a supporting X-direction adjusting piece in the range of an adjusting hole, adjusting the position of a supporting adjusting plate (03-01) in the X direction and a supporting X-direction adjusting block (03-14), rotating a supporting Y-direction adjusting piece, adjusting the position of the supporting adjusting plate (03-01) in the Y direction and a supporting Y-direction adjusting block (03-15), placing a supporting X-direction adjusting gasket (03-17) with a proper size between the supporting X-direction adjusting block (03-14) and the supporting adjusting plate (03-01) after the adjustment is finished, placing a supporting Y-direction adjusting gasket with a proper size between the supporting Y-direction adjusting block (03-15) and the supporting adjusting plate (03-01) according to the needs, locking and supporting the first fastening piece (03-16), and supporting the head of the first fastening piece (03-16) downwards and supporting the first pressing gasket (03- 16) Extruding the supporting adjusting plate (03-01) to complete the direction adjustment of the X, Y direction of the middle part of the bent pipe, and putting a height adjusting gasket (03-07) with a proper size between the supporting second positioning block 03-06 and the supporting connecting block (03-04) according to the requirement to complete the direction adjustment of the Z direction of the middle part of the bent pipe;
(7) adjusting the position of the tail of the bent pipe; loosening and positioning the first fastening piece (04-01), rotating and positioning the X-direction adjusting piece within the range of the adjusting hole, adjusting the position of the positioning adjusting plate (04-02) in the X direction and the positioning X-direction adjusting block (04-14), rotating and positioning the Y-direction adjusting piece, adjusting the position of the positioning adjusting plate (04-02) in the Y direction and the positioning Y-direction adjusting block (04-15), after the adjustment is finished, placing a positioning X-direction adjusting gasket 04-17 with a proper size between the positioning X-direction adjusting block (04-14) and the positioning adjusting plate (04-02) as required, placing a positioning Y-direction adjusting gasket with a proper size between the positioning Y-direction adjusting block (04-15) and the positioning adjusting plate (04-02) as required, locking and positioning the first fastening piece (04-01), and extruding the head of the positioning first fastening piece (04-01) downwards through a positioning first pressing gasket (04-16) Positioning adjusting plates (04-02) are used for completing the adjustment of the X, Y direction of the tail part of the bent pipe, positioning adjusting gaskets (04-18) with proper size are placed between the positioning adjusting grooves of the limiting bosses as required, and the Z direction adjustment of the tail part of the bent pipe is completed;
(8) starting a flange pressing cylinder (02-25), a supporting pressing cylinder (03-08) and a positioning cylinder (04-12), clamping the flange, the exhaust pipe and the bolt in place, welding the flange and the exhaust pipe ring, and then welding the flange and the bolt;
(9) after welding, the flange pressing air cylinder (02-25), the separating air cylinder (02-26), the supporting pressing air cylinder (03-08) and the positioning air cylinder (04-12) retract, and the weldment is taken down.
CN202011039400.5A 2020-09-28 2020-09-28 Flange, exhaust pipe and bolt welding tool and technological method Pending CN112091516A (en)

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CN202011039400.5A CN112091516A (en) 2020-09-28 2020-09-28 Flange, exhaust pipe and bolt welding tool and technological method
PCT/CN2021/095406 WO2022062437A1 (en) 2020-09-28 2021-05-24 Flange, exhaust pipe and bolt welding tool, and process method

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