Stainless steel stamping impeller salient point welding tool

Abstract

The utility model relates to the field of welding tools for stainless steel parts, in particular to a stainless steel stamping impeller salient point welding tool which comprises an upper electrode, a discharging block, a two-way air cylinder and a lower electrode, the upper electrode is fixed on an upper workbench of a welding machine, the lower electrode is fixed on a lower workbench of the welding machine, and a step hole is formed in the upper portion in the lower electrode. A stepped hole is formed in the lower electrode, a discharging block is installed in the stepped hole and moves up and down in the stepped hole of the lower electrode, an insulation block installation hole is formed in the lower portion in the lower electrode, an insulation block is embedded in the insulation block installation hole, a positioning mandrel is embedded in the insulation block, the positioning mandrel is used for positioning an impeller installed on the lower electrode, and a two-way air cylinder is fixed to the bottom of the welding machine lower workbench. A top plate is mounted on a pull rod of the two-way air cylinder; a discharging block is connected above the top plate through a discharging screw; according to the utility model, the quality and the production efficiency of the welded impeller are improved, the applicability is strong, and the problems of difficult piece taking, deformation of an impeller positioning hole and a workpiece surface, low production efficiency and the like in the salient point welding of the stamping impeller are solved.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to the field of stainless steel part's welding frock, concretely speaking, a kind of stainless steel stamping impeller convex point welding frock. [BACKGROUND]

[0002] Stainless steel stamping welded impeller is the core part of vertical stainless steel stamping multistage pump, and the normal operation work torque of rated flow below 10 square is small, and the production batch is large, and it is usually welded by front cover plate, blade, rear cover plate through convex point welding each other. Impeller welding frock is related to the welding quality and production efficiency of impeller, so as to also affect the operation stability of water pump.

[0003] The current impeller convex point welding frock, impeller is difficult to take after welding, and the operator needs to take the tool, and the positioning hole and work surface of impeller are prone to deformation, and the production efficiency is low. [UTILITY MODEL CONTENTS]

[0004] The utility model aims at solving the above-mentioned insufficient and provides a kind of stainless steel stamping impeller convex point welding frock, improves the quality and production efficiency of welded impeller, and is suitable for solving the problems, such as the difficulty in taking, the deformation of positioning hole and work surface of impeller and production efficiency in stamping impeller convex point welding.

[0005] To realize the above-mentioned purpose, a kind of stainless steel stamping impeller convex point welding frock is designed, including upper electrode 1, unloading block 2, two-way cylinder 5 and lower electrode 8, the upper electrode 1 is fixed on the welding machine upper workbench, the lower electrode 8 is fixed on the welding machine lower workbench 6, the lower electrode 8 is provided with stepped hole in the upper part, the unloading block 2 is arranged in the stepped hole, the unloading block 2 moves up and down in the stepped hole of lower electrode 8, the lower electrode 8 is provided with insulation block mounting hole in the lower part, the insulation block 7 is inlaid in the insulation block mounting hole, the insulation block 7 is inlaid with positioning mandrel 9, the positioning mandrel 9 is used to position the impeller 10 arranged on the lower electrode 8, the welding machine lower workbench 6 is fixed with two-way cylinder 5 at the bottom, the pull rod of two-way cylinder 5 is installed with top plate 4, the top plate 4 is connected with unloading block 2 through unloading screw 3 above.

[0006] Further, the unloading block 2 is designed as stepped structure, the stepped height of unloading block 2 is equal to the height difference between the flange mouth of impeller 10 front cover plate and the upper plane of rear cover plate positioning hole, so that when the unloading block is pushed to the welding positioning plane of impeller front and rear cover plate by the cylinder, the deformation problem of impeller positioning hole and work surface can be further reduced.

[0007] Further, the discharge screws 3 are provided with three, three discharge screws 3 are uniformly distributed along the circumference and pass through the insulating blocks 7, the bottom end of the discharge screw 3 is connected with the top plate 4, and the top end of the discharge screw 3 is connected with the discharge block 2, so that the up-down movement of the discharge block 2 is more stable and reliable.

[0008] Further, the bidirectional air cylinder 5 is electrically connected with the two-position five-way valve and drives the top plate 4 to move up and down in the axial direction under the control of the two-position five-way valve, and manual operation and electric operation are all available, and the operation is very convenient.

[0009] Further, the bidirectional air cylinder 5 drives the top plate 4 to move downward and reset before welding, the impeller 10 pushes the discharge block 2 to move downward and reset, so that the impeller 10, the lower electrode 8 and the positioning mandrel 9 are installed and positioned; the bidirectional air cylinder 5 drives the top plate 4 to push the discharge screw 3 and the discharge block 2 upward after welding is completed, so as to complete the upward discharge of the impeller 10.

[0010] Compared with the prior art, the discharge block is increased in the positioning cavity of the lower electrode of the welding tool, the discharge block is designed as a stepped structure, the stepped height is equal to the height difference between the flange opening of the impeller front cover plate and the upper plane of the positioning hole of the rear cover plate, after the welding of the impeller is completed, the discharge block is pushed by the cylinder, and the welding positioning planes of the impeller front cover plate and the rear cover plate are pushed at the same time, so that the stable discharge of the impeller is completed; the stainless steel stamping impeller convex point welding tool has the advantages of simple and applicable structure, reasonable design, convenient operation, stable discharge of the impeller by the discharge block in the lower electrode driven by the bidirectional cylinder, improved welding impeller quality and production efficiency, strong applicability, and the problems of stamping impeller convex point welding, difficult part taking, deformation of the impeller positioning hole and the workpiece surface and production efficiency are solved, and the tool is worthy of popularization and application. [DETAILED DESCRIPTION]

[0011] Figure 1 is a sectional view structure schematic diagram of the utility model;

[0012] In the drawing: 1, upper electrode, 2, discharge block, 3, discharge screw, 4, top plate, 5, bidirectional air cylinder, 6, welding machine lower workbench, 7, insulating block, 8, lower electrode, 9, positioning mandrel, 10, impeller. [DETAILED DESCRIPTION]

[0013] As shown in the accompanying drawings, Figure 1The utility model provides a kind of stainless steel stamping impeller convex point welding tool, including upper electrode 1, unloading block 2, two-way cylinder 5 and lower electrode 8, upper electrode 1 is fixed on welding machine upper workbench, lower electrode 8 is fixed on welding machine lower workbench 6, upper portion is equipped with step hole in lower electrode 8, unloading block 2 is installed in step hole, unloading block 2 is up and down movable in the step hole of lower electrode 8, lower portion is equipped with insulating block mounting hole in lower electrode 8, insulating block mounting hole is inlaid with insulating block 7, insulating block 7 is inlaid with positioning mandrel 9, positioning mandrel 9 is used to position impeller 10 on lower electrode 8, welding machine lower workbench 6 bottom is fixed with two-way cylinder 5, top plate 4 is installed on the pull rod of two-way cylinder 5, top plate 4 top is connected unloading block 2 by unloading screw 3.

[0014] Among them, unloading block 2 is designed as step structure, the step height of unloading block 2 is equal to the height difference between the flange mouth of impeller 10 and the upper plane of rear cover plate positioning hole, so that when unloading block pushes the welding positioning plane of the front and rear cover plate of impeller under the push of cylinder, the deformation problem of impeller positioning hole and workpiece surface can be further reduced. Three unloading screws 3 are provided, the three unloading screws 3 are all passed through insulating block 7 and are uniformly distributed in circumference, the bottom end of unloading screw 3 is connected with top plate 4, and the top end of unloading screw 3 is connected with unloading block 2, so that the up and down movement of unloading block 2 is more stable and reliable. Two-way cylinder 5 is electrically connected with two-position five-way valve, and drives top plate 4 to move up and down in axial direction under the control of two-position five-way valve, and both manual and electric operation are available, which is very convenient to operate. When operating, two-way cylinder 5 drives top plate 4 to move downward and reset before welding, impeller 10 pushes unloading block 2 to reset downward, so that impeller 10, lower electrode 8 and positioning mandrel 9 are installed and positioned; two-way cylinder 5 drives top plate 4 to push unloading screw 3 and unloading block 2 upward after welding is completed, so as to complete the upward unloading of impeller 10.

[0015] The utility model will be further described below in combination with the drawings and specific embodiments:

[0016] A kind of stainless steel stamping impeller convex point welding tool, including upper electrode 1, unloading block 2, unloading screw 3, top plate 4, two-way cylinder 5, welding machine lower workbench 6, insulating block 7, lower electrode 8, positioning mandrel 9 and impeller 10;Upper electrode 1 is fixed on welding machine upper workbench;Lower electrode 8 is fixed on welding machine lower workbench, and the upper portion of lower electrode is designed into step hole, and lower portion is inlaid with insulating block 7, and insulating block 7 is inlaid with positioning mandrel 9;Unloading block 2 is designed into step shape, and the step height is equal to the difference between the flange mouth of impeller and the upper plane of rear cover plate positioning hole, and is movable in the step hole of lower electrode 8;Three unloading screws 3 are connected with unloading block 2 and are uniformly distributed;Two-way cylinder 5 is fixed on the bottom of welding machine lower work surface, and top plate 4 is installed on the pull rod of two-way cylinder 5.

[0017] The unloading block 2, the unloading screw 3, the top plate 4 and the bidirectional air cylinder 5 constitute the unloading device of the impeller 10; the bidirectional air cylinder 5 drives the top plate 4 to move up and down in the axial direction under the control of a manual pneumatic two-position five-way valve; before welding, the bidirectional air cylinder 5 drives the top plate 4 to move downward and reset; when the components of the impeller 10 are manually installed, the components of the impeller 10 are used to push the unloading block 2 to reset downward, so that the installation and positioning of the impeller 10, the lower electrode 8 and the positioning mandrel 9 are completed; after welding, the bidirectional air cylinder 5 drives the top plate 4 to push the unloading screw 3 and the unloading block 2 upward, so that the upward unloading of the impeller 10 is completed.

[0018] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, the standard parts used can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical, parts and equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the like, which will not be described in detail.

[0019] The utility model is not limited by the above-mentioned embodiment, other any change, modification, replacement, combination, simplification, which does not deviate from the spirit and principle of the utility model, should be equivalent replacement mode, all contain in the protection scope of the utility model.

Claims

1. A stainless steel stamped impeller projection welding tooling characterized by: It includes upper electrode (1), unloading block (2), bidirectional cylinder (5) and lower electrode (8), the upper electrode (1) is fixed on the welding machine upper worktable, the lower electrode (8) is fixed on the welding machine lower worktable (6), the lower electrode (8) is provided with stepped hole in the upper part, the unloading block (2) is installed in the stepped hole, the unloading block (2) moves up and down in the stepped hole of the lower electrode (8), the lower electrode (8) is provided with insulation block mounting hole in the lower part, the insulation block mounting hole is inlaid with insulation block (7), the insulation block (7) is inlaid with positioning mandrel (9), the positioning mandrel (9) is used for positioning the impeller (10) installed on the lower electrode (8), the welding machine lower worktable (6) is fixed with bidirectional cylinder (5) at the bottom, the pull rod of the bidirectional cylinder (5) is provided with top plate (4), the top plate (4) is connected with unloading block (2) through unloading screw (3) above.

2. The stainless steel stamped impeller bump welding fixture of claim 1, wherein: The unloading block (2) is designed as stepped structure, the stepped height of the unloading block (2) is equal to the height difference between the front cover plate flange opening and the upper plane of the rear cover plate positioning hole.

3. The stainless steel stamped impeller bump welding fixture of claim 1, wherein: The unloading screw (3) is provided with three, three unloading screws (3) are evenly distributed along the circumference and pass through the insulation block (7), the bottom end of the unloading screw (3) is connected with the top plate (4), and the top end of the unloading screw (3) is connected with the unloading block (2).

4. The stainless steel stamped impeller bump welding fixture of claim 1, wherein: The bidirectional cylinder (5) is electrically connected with two-position five-way valve and drives the top plate (4) to move up and down in the axial direction under the control of the two-position five-way valve.

5. The stainless steel stamped impeller bump welding fixture of any one of claims 1 to 4, wherein: The bidirectional cylinder (5) drives the top plate (4) to move downward and reset before welding, the unloading block (2) is pushed downward and reset by the impeller (10), so that the impeller (10), the lower electrode (8) and the positioning mandrel (9) are installed and positioned; the bidirectional cylinder (5) drives the top plate (4) to push the unloading screw (3) and the unloading block (2) upward after welding is completed, so as to complete the upward unloading of the impeller (10).

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