CN113909790A - Single-rotation pump foot ship type welding positioner - Google Patents
Single-rotation pump foot ship type welding positioner Download PDFInfo
- Publication number
- CN113909790A CN113909790A CN202010650692.XA CN202010650692A CN113909790A CN 113909790 A CN113909790 A CN 113909790A CN 202010650692 A CN202010650692 A CN 202010650692A CN 113909790 A CN113909790 A CN 113909790A
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- rotating shaft
- support
- rotating frame
- pump
- ship
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- 238000003466 welding Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a ship-shaped welding positioner for a single-rotation pump leg, which comprises a base, a support, a rotating shaft assembly and a rotating frame, wherein the rotating shaft assembly is arranged on the base; the base is horizontally arranged, and the support is fixed at the front end of the base; the lower end of the rotating shaft assembly is rotatably arranged on the support, and the upper end of the rotating shaft assembly obliquely extends upwards to the outside of the support; a transmission mechanism for driving the rotating shaft to rotate is arranged on the support corresponding to the lower end of the rotating shaft; the rotating frame is fixed at the upper end of the rotating shaft, and the central line of the rotating frame is parallel to the axial direction of the rotating shaft assembly; and a plurality of clamping mechanisms for fixing the pump feet to be welded on the rotating frame are arranged on the rotating frame. The invention has the beneficial effects that: the device has the characteristics of simple operation, rotation self-locking, simple manufacture, low cost and the like.
Description
Technical Field
The invention relates to the field of welding equipment, in particular to a ship-shaped welding positioner of a single-rotation pump foot.
Background
At present, the pump feet of the pump body are welded by adopting a row of hanging drags to hang the pump body to form a ship-shaped welding swing angle welding position for welding operation. The operation mode has the advantages of no need of tools, long-term occupation of crane, troublesome operation, multiple replacement of crane positions, low efficiency, high labor intensity and poor safety operability.
Disclosure of Invention
At present, a worker welds a pump foot by adopting an angle and an orientation of a traveling crane swinging pump body, and the ship-shaped welding of the pump foot and a pump body volute can be completed only by replacing the swinging pump body for multiple times. The operation auxiliary work time is long, and the welding efficiency is low. The invention aims to solve the technical problem of providing a single-rotation pump foot ship-shaped welding positioner aiming at the characteristics that a pump body volute is made of stainless steel and a welding mode of a pump foot is favorable for welding seam formation only by ship-shaped welding, and can realize one-time clamping, a switch box button controls a motor to operate to drive a pump body to rotate along an oblique axis forming an angle of 45 degrees with a horizontal plane, and the pump foot and the welding seam position of the pump body volute are arranged to form a ship-shaped welding angle for welding. The production problems of repeated hanging and swinging angles, complex operation, long driving time occupation, low welding efficiency and the like in the original pump foot welding process are solved.
The technical scheme for solving the technical problems is as follows: a ship-shaped welding positioner for a single-rotation pump leg comprises a base, a support, a rotating shaft assembly and a rotating frame; the base is horizontally arranged, and the support is fixed at the front end of the base; the lower end of the rotating shaft assembly is rotatably arranged on the support, and the upper end of the rotating shaft assembly obliquely extends upwards to the outside of the support; a transmission mechanism for driving the rotating shaft to rotate is arranged on the support corresponding to the lower end of the rotating shaft; the rotating frame is fixed at the upper end of the rotating shaft, and the central line of the rotating frame is parallel to the axial direction of the rotating shaft assembly; and a plurality of clamping mechanisms for fixing the pump feet to be welded on the rotating frame are arranged on the rotating frame.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the transmission mechanism comprises a motor, a worm and a worm wheel; the worm wheel is fixedly sleeved at the lower end of the rotating shaft assembly, the motor is fixed on the support, the output end of the motor is connected with and drives the worm after passing through the speed reducer, and the worm is meshed with the worm wheel.
Further, the control box of motor is installed the rear side of base, the switch box passes through the control box and connects the control box, be equipped with on the switch box and control through the control box motor pivoted button.
Furthermore, the axial direction of the rotating shaft component forms an included angle of 45 degrees with the horizontal plane.
Further, the clamping mechanism comprises a pull rod, a pressure plate and a bolt; the rotary frame is regularly provided with a plurality of threaded holes, the lower end of the pull rod is in threaded connection with the corresponding threaded holes, one end of the pressing plate is sleeved on the pull rod in a sliding mode, the bolt is sleeved on the upper portion of the pull rod, corresponding to the pressing plate, in a threaded mode, and the pressing plate is pressed downwards to enable the pressing plate to clamp the position corresponding to the pump foot, and therefore the pump foot to be welded is fixed on the rotary frame.
Furthermore, the pull rod is provided with specifications with different lengths。
The invention has the beneficial effects that: compared with the welding mode of forming the ship-shaped welding position welding by adopting a traveling crane to hang and swing a workpiece, the positioner can realize one-time hoisting and clamping, the switch box button control motor drives the rotating frame to rotate, and only rotates around one rotating shaft, so that the welding seams of all pump feet can be adjusted to ship-shaped welding seams, the ship-shaped welding requirements of welding all the welding seams between the pump feet and the pump body can be met by continuous welding, and the welding machine has the characteristics of simplicity in operation, rotation self-locking, simplicity in manufacturing, low cost and the like.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the present invention after clamping the pump foot;
FIG. 3 is a top view of the turret;
fig. 4 is a schematic diagram of the control box controlling the motor.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a base, 2, a support, 3, a rotating shaft assembly, 4, a rotating frame, 5, a pump foot, 6, a worm, 7, a worm wheel, 8, a pull rod, 9, a pressure plate, 10 and a bolt.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 and 2, the ship-type welding positioner for the single-rotation pump foot comprises a base 1, a support 2, a rotating shaft assembly 3 and a rotating frame 4. The base 1 is horizontally arranged, and the support 2 is fixed at the front end of the base 1. The lower end of the rotating shaft component 3 is rotatably arranged on the support 2, and the upper end of the rotating shaft component obliquely extends upwards to the outside of the support 2. And a transmission mechanism for driving the rotating shaft to rotate is arranged on the support 2 corresponding to the lower end of the rotating shaft. The rotating frame 4 is fixed on the upper end of the rotating shaft, and the central line of the rotating frame 4 is parallel to the axial direction of the rotating shaft assembly 3, preferably: the axial direction of the rotating shaft component 3 forms an included angle of 45 degrees with the horizontal plane. A plurality of clamping mechanisms for fixing the pump feet 5 to be welded on the rotating frame 4 are arranged on the rotating frame 4. The transmission mechanism comprises a motor, a worm 6 and a worm wheel 7. The worm wheel 7 is fixedly sleeved at the lower end of the rotating shaft component 3, the motor is fixed on the support 2, the output end of the motor is connected with and drives the worm 6 after passing through the speed reducer, and the worm 6 is meshed with the worm wheel 7. The power of the motor is 4-1.5kw, the reduction ratio of the speed reducer is 40:1, the transmission ratio of the turbine 7 to the worm 6 is 40:1, the output rotating speed of the motor is 0.9r/min, and the rotating speed of the positioner rotating frame 4 is 0.9r/min, which is a side safety consideration, because the radial width dimension of the pump body ranges from 550 mm to 2100mm, and the weight ranges from 90kg to 2500kg, the faster the rotating speed of the positioner rotating frame 4 is, the larger inertia moment can be generated for the pump body with large appearance and weight, and the larger safety risk exists. The positioner adopts the self-locking characteristic of a worm and gear mechanism, the rotation of the positioner rotating frame 4 can be stopped at any rotation angle, and the pump foot 5 is clamped on the rotating frame 4 without generating the dangerous phenomenon of gravity eccentric self-overturning. The rotating axis of the position changer rotating frame 5 is designed to form an included angle of 45 degrees with the horizontal plane, a 45-degree included angle is locked in advance, rotation is not needed, rotation of the rotating frame 5 on the vertical plane is omitted, mechanism control of one degree of freedom of rotation can be reduced, and manufacturing cost of equipment is reduced. The position changing device can realize the requirement of placing the welding position of the pump foot welding ship type only by controlling the operation of one motor, and has simple and high efficiency: the pump body can be completed in 4 hours generally by adopting a crane pendulum welding mode, and the adoption of the position changer only needs 1 hour, so that the work efficiency is improved by 4 times, and the safety is better.
As shown in fig. 3, the clamping mechanism includes a tie rod 8, a pressure plate 9, and a bolt 10. A plurality of threaded holes are regularly arranged on the rotating frame 4, the lower end of the pull rod 8 is in threaded connection with the corresponding threaded holes, one end of the pressing plate 9 is sleeved on the pull rod 8 in a sliding mode, the bolt 10 is sleeved above the pull rod 9 in a threaded mode and corresponds to the upper portion of the pressing plate 9 in a pulling mode and is used for pressing down the pressing plate 9 to enable the pressing plate 9 to clamp the position corresponding to the pump foot 5, and therefore the pump foot to be welded is clamped5 are fixed on the rotating frame 4. Wherein, the pull rod 8 is provided with specifications with different lengths so as toIt is used for welding pump bodies of different models. A plurality of threaded holes are arranged on the mounting surface of the rotating frame 4 according to a certain rule, and the position of the clamping mechanism can be adjusted according to pump bodies with different sizes. The vertical position of the pressure plate 9 can be adjusted to adjust the welding position of the pump feet 5 of different models to the top end of the positioner rotating frame 4, and the welding position of the pump feet 5 is properly extended out. When the rotating frame 4 rotates 180 degrees, the original downward part of the pump body can be rotated upwards, the welding gun is blocked by the rotating frame 4 to weld when the seam between the pump foot 5 and the pump body is welded, and the positioner is suitable for ship-shaped welding of pump feet of pump bodies of all models of pump companies.
As shown in fig. 4, the control box of the motor is installed at the rear side of the base 1, the switch box is connected with the control box through the control box, and the switch box is provided with a button for controlling the motor to rotate through the control box. The single-rotation pump foot ship type welding positioner comprises the following operation steps: (1) the alignment rotating frame 4 → (2) hoists the workpiece, namely the pump foot 5 → (3) clamps the workpiece through the clamping mechanism → (4) switching a box button to control the displaced workpiece to be welded → 5. rotating to reset → 6. unloading the workpiece.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A ship-shaped welding positioner for a single-rotation pump leg is characterized by comprising a base (1), a support (2), a rotating shaft assembly (3) and a rotating frame (4); the base (1) is horizontally arranged, and the support (2) is fixed at the front end of the base (1); the lower end of the rotating shaft component (3) is rotatably arranged on the support (2), and the upper end of the rotating shaft component obliquely extends upwards to the outside of the support (2); a transmission mechanism for driving the rotating shaft to rotate is arranged on the support (2) corresponding to the lower end of the rotating shaft; the rotating frame (4) is fixed at the upper end of the rotating shaft, and the central line of the rotating frame (4) is parallel to the axial direction of the rotating shaft assembly (3); and a plurality of clamping mechanisms for fixing the pump feet (5) to be welded on the rotating frame (4) are arranged on the rotating frame (4).
2. The ship-type welding positioner of a single-rotation pump foot according to claim 1, characterized in that the transmission mechanism comprises a motor, a worm (6) and a worm wheel (7); the worm wheel (7) is fixedly sleeved at the lower end of the rotating shaft assembly (3), the motor is fixed on the support (2), the output end of the motor is connected with and drives the worm (6) after passing through the speed reducer, and the worm (6) is meshed with the worm wheel (7).
3. The ship-type welding positioner for the single-rotation pump feet as claimed in claim 2, wherein a control box of the motor is mounted on the rear side of the base (1), the switch box is connected with the control box through the control box, and a button for controlling the motor to rotate through the control box is arranged on the switch box.
4. The ship-type welding positioner for the single-rotation pump legs as claimed in claim 1, wherein the axial direction of the rotating shaft assembly (3) forms an included angle of 45 degrees with the horizontal plane.
5. A single-turn pump foot boat form-welding positioner according to any one of claims 1 to 3, characterised in that the clamping mechanism comprises a tie rod (8), a pressure plate (9) and a bolt (10); the novel pump foot is characterized in that a plurality of threaded holes are regularly arranged on the rotating frame (4), the lower end of the pull rod (8) is in threaded connection with the corresponding threaded holes, one end of the pressing plate (9) is slidably sleeved on the pull rod (8), the bolt (10) is in threaded sleeving connection with the upper portion of the pressing plate (9) in a pulling mode and is used for pressing down the pressing plate (9) to enable the pressing plate (9) to clamp the position corresponding to the pump foot (5), and then the pump foot (5) to be welded is fixed on the rotating frame (4).
6. The ship-type welding positioner of the single-rotation pump foot according to claim 5, characterized in that the pull rod (8) is provided with specifications with different lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010650692.XA CN113909790A (en) | 2020-07-08 | 2020-07-08 | Single-rotation pump foot ship type welding positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010650692.XA CN113909790A (en) | 2020-07-08 | 2020-07-08 | Single-rotation pump foot ship type welding positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113909790A true CN113909790A (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010650692.XA Pending CN113909790A (en) | 2020-07-08 | 2020-07-08 | Single-rotation pump foot ship type welding positioner |
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| Country | Link |
|---|---|
| CN (1) | CN113909790A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250222Y (en) * | 1996-01-19 | 1997-03-26 | 机械工业部天津工程机械研究所 | Double rotary welding position changing machine |
| CN202377737U (en) * | 2011-12-09 | 2012-08-15 | 罗树礼 | Novel welding positioner |
| CN203092049U (en) * | 2013-02-07 | 2013-07-31 | 河南机电高等专科学校 | Weld holder for fillet welding in flat position of tower leg of electric transmission line iron tower |
| CN203817700U (en) * | 2014-05-22 | 2014-09-10 | 济宁金牛重工有限公司 | Digger connecting rod welding positioner |
| CN105499895A (en) * | 2016-01-29 | 2016-04-20 | 湖北欢达电气股份有限公司 | Welding positioner |
| KR20180110707A (en) * | 2017-03-29 | 2018-10-11 | 주식회사 포스코 | Apparatus to welding |
| CN209850253U (en) * | 2019-10-16 | 2019-12-27 | 山东蓬翔汽车有限公司 | Diaxon rotation and turnover welding position device |
| CN210306500U (en) * | 2019-07-01 | 2020-04-14 | 临沂临工重托机械有限公司 | Loader side case is with welding frock that shifts |
-
2020
- 2020-07-08 CN CN202010650692.XA patent/CN113909790A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2250222Y (en) * | 1996-01-19 | 1997-03-26 | 机械工业部天津工程机械研究所 | Double rotary welding position changing machine |
| CN202377737U (en) * | 2011-12-09 | 2012-08-15 | 罗树礼 | Novel welding positioner |
| CN203092049U (en) * | 2013-02-07 | 2013-07-31 | 河南机电高等专科学校 | Weld holder for fillet welding in flat position of tower leg of electric transmission line iron tower |
| CN203817700U (en) * | 2014-05-22 | 2014-09-10 | 济宁金牛重工有限公司 | Digger connecting rod welding positioner |
| CN105499895A (en) * | 2016-01-29 | 2016-04-20 | 湖北欢达电气股份有限公司 | Welding positioner |
| KR20180110707A (en) * | 2017-03-29 | 2018-10-11 | 주식회사 포스코 | Apparatus to welding |
| CN210306500U (en) * | 2019-07-01 | 2020-04-14 | 临沂临工重托机械有限公司 | Loader side case is with welding frock that shifts |
| CN209850253U (en) * | 2019-10-16 | 2019-12-27 | 山东蓬翔汽车有限公司 | Diaxon rotation and turnover welding position device |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220111 |
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| RJ01 | Rejection of invention patent application after publication |