CN221110345U

CN221110345U - Novel impeller rotating positioning welding tool for pump

Info

Publication number: CN221110345U
Application number: CN202322743682.2U
Authority: CN
Inventors: 冯忠明; 卜连国; 蒋雄强; 范全旺; 李宝龙
Original assignee: Zhejiang Fangwei Inspection Technology Co ltd
Current assignee: Zhejiang Fangwei Inspection Technology Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-06-11
Anticipated expiration: 2033-10-12

Abstract

The utility model discloses a novel impeller rotating positioning welding tool for a pump, which comprises a lower connecting plate and a positioning mandrel arranged at the inner center of the lower connecting plate, wherein the upper end of the lower connecting plate is provided with a lower positioning plate, the outer part of the positioning mandrel sleeved by the lower positioning plate is provided with an inlet positioning block, the outer wall of the lower positioning plate is provided with a lower supporting plate, the lower supporting plate and the lower connecting plate are fixed through bolts, the inner side of the lower supporting plate is provided with an annular groove, a gear transmission plate is rotatably arranged on the annular groove, the upper end of the lower supporting plate is fixedly provided with a guide plate through bolts, the top of the guide plate is fixedly provided with an upper clamping plate through bolts, the top of the upper clamping plate is provided with an impeller rear cover plate, the top of the impeller rear cover plate is also provided with an upper pressing plate for correcting rebound deformation of stamping blades, the blades are prevented from being heated and running, the welding quality and welding consistency of the impellers are ensured, and finished workpieces are convenient to pick up.

Description

Novel impeller rotating positioning welding tool for pump

Technical Field

The utility model relates to the field of welding tools, in particular to a novel impeller rotation positioning welding tool for a pump.

Background

An impeller is a bladed wheel that can generate power or move a fluid. For example, for a mine disrotatory local axial flow fan, which is a common ventilation device for mines, the performance quality is directly dependent on the quality of the fan impeller inside the fan. The impeller consists of blades and a hub, and two processing methods of the impeller are generally adopted. One is integral processing method, uses the integral casting to process blade and wheel hub once only, can solve the poor location problem of a plurality of blade uniformity, but cast mould manufacturing difficulty cost is higher, and single blade damages then impeller scrapps, and the maintenance cost is higher. The other is a split processing method, wherein a hub and blades are respectively processed, and the blades are welded on the impeller.

Welding tools are often used in the welding process of the existing blades, the welding efficiency between the blades and the impellers is improved through the welding tools, the existing welding tools have some defects, 1, the positioning is poor, the positioning mode of the blades of the impellers is the radial positioning of an inlet positioning block and an outer diameter positioning block, and the Z-direction height of the blades is not positioned; 2. the consistency is poor, the rebound quantity of the space curved surface blade is increased, the existing tool has no function of correcting the arc of the blade, the joint position of the blade and the rear cover plate can not be cured, and the laser welding path program is required to be adjusted before welding; 3. poor quality, the blade is heated to warp and run the position in the laser welding process, gets the piece difficulty after the welding is accomplished, and rosin joint and unwelded defective rate increase when welding, lead to impeller finished product welding strength unstable, propose a solution below to above-mentioned problem.

Disclosure of utility model

The invention aims to provide a novel impeller rotating and positioning welding tool for a pump, which is used for correcting rebound deformation of stamping blades, preventing the blades from being heated and running in the welding process, ensuring the welding quality and welding consistency of impellers and facilitating the pickup of finished workpieces.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a novel impeller rotation fixed-position welding frock for pump, includes the lower connecting plate and installs the location dabber at lower connecting plate inside center, the locating plate down is installed to the upper end of lower connecting plate, the outside of the location dabber of locating plate overcoat down, evenly offered a plurality of arc grooves on the locating plate down, the internally mounted of locating plate has the import locating piece down, the import locating piece is hollow structure, import locating piece overcoat is in the outside of locating dabber, install the bottom plate on the outer wall of lower locating plate, the bottom plate with realize fixing through the bolt between the lower connecting plate, the bottom plate is hollow structure, the ring channel has been seted up to the inboard of bottom plate, rotate on the ring channel and be provided with the gear drive board, be provided with drive assembly between bottom plate and the gear drive board, the upper end of bottom plate is through the bolt fastening has the deflector, the deflector top is through the bolt fastening punch holder, impeller hub is installed at the top of locating spindle, be provided with impeller blade in the arc groove of bottom plate and the import locating piece, be provided with the impeller blade on the deflector, be provided with on the deflector and be used for pressing from both sides tight subassembly, the top cover plate is installed at the top after the top is installed.

Preferably, the transmission assembly comprises a first gear and an arc-shaped rack, a wide groove is formed in the lower supporting plate, the first gear is rotatably arranged in the wide groove, the arc-shaped rack is fixed on the outer wall of the gear transmission plate, the first gear is meshed with the arc-shaped rack and connected with the arc-shaped rack, a locking bolt is fixed on the first gear, and the bottom of the locking bolt penetrates through the first gear and is in threaded fit with the bottom of the wide groove.

Preferably, the clamping assembly comprises a plurality of sliding clamping blocks and a plurality of connecting columns, a plurality of arc grooves II are formed in the guide plate, the sliding clamping blocks are respectively arranged in the arc grooves II in a sliding mode, a sliding groove is formed in the gear transmission plate, one end of each connecting column is arranged in the sliding groove in a sliding mode, and the other end of each connecting column is fixed to the corresponding sliding clamping block.

Preferably, the top of the lower connecting plate is provided with a circular groove matched with the lower locating plate, the lower locating plate is arranged in the circular groove, and the lower locating plate and the lower connecting plate are fixed through bolts.

Preferably, the outer part of the inlet positioning block is composed of a plurality of arc-shaped blocks, and the impeller blades are clamped and positioned through the cooperation between the inlet positioning block and the sliding clamping block.

Preferably, the upper clamping plate is provided with an arc groove III matched with the arc groove II.

The beneficial effects are that: 1. the production efficiency is improved: the workpiece can be rapidly and accurately positioned and fixed by using the open-close type positioning tool, and uncertainty and labor hour consumption of traditional manual positioning are avoided, so that production efficiency is improved.

2. The quality of the finished product is improved: the positioning is accurate, and impeller blade locate mode is the profile modeling laminating location of import locating piece, lower locating plate and slip clamp block three, and the frock is installed back in place, and the blade is not hard up, and open-close type location frock is fixed the work piece through accurate anchor clamps, can realize high accuracy's location and motion control, ensures the stability and the uniformity of work piece to improve the precision.

3. The maintenance is simple: the structure is simpler, and most parts are fixed by bolts and are easy to replace and maintain.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a schematic view showing a structure for removing an upper platen according to an embodiment;

FIG. 3 is a schematic diagram showing a top view of an embodiment with the upper platen and guide plate removed;

FIG. 4 is a schematic top view for showing an embodiment;

Fig. 5 is a schematic diagram showing a cross-sectional structure of a in fig. 4.

Fig. 6 is an assembly schematic for showing the lower connecting plate, the positioning mandrel, the lower positioning plate and the inlet positioning block.

Reference numerals: 1. a lower connecting plate; 2. positioning a mandrel; 3. a lower positioning plate; 4. an arc-shaped groove I; 5. an inlet positioning block; 6. a lower support plate; 7. an annular groove; 8. a gear drive plate; 9. a transmission assembly; 10. a guide plate; 11. an upper clamping plate; 12. an impeller hub; 13. impeller blades; 14. a clamping assembly; 15. an impeller back cover plate; 16. an upper press plate; 17. a first gear; 18. an arc-shaped rack; 19. a wide groove; 20. a sliding clamping block; 21. a connecting column; 22. an arc-shaped groove II; 23. a chute; 24. a circular groove; 25. and an arc-shaped groove III.

Detailed Description

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.

See fig. 1 to 6, a novel impeller rotary positioning welding fixture for pumps comprises a lower connecting plate 1 and a positioning mandrel 2 arranged at the inner center of the lower connecting plate 1, wherein a lower positioning plate 3 is arranged at the upper end of the lower connecting plate 1, a round groove 24 matched with the lower positioning plate 3 is formed in the top of the lower connecting plate 1, the lower positioning plate 3 is arranged in the round groove 24, the lower positioning plate 3 and the lower connecting plate 1 are fixed through bolts, the positioning mandrel 2 sleeved by the lower positioning plate 3 is externally provided with a plurality of arc grooves I4, the lower positioning plate 3 is uniformly provided with a plurality of arc grooves I4, the lower positioning plate 3 is internally provided with an inlet positioning block 5, the inlet positioning block 5 is of a hollow structure, the outer sleeve of the inlet positioning block 5 is sleeved outside the positioning mandrel 2, and the outer part of the inlet positioning block 5 is composed of a plurality of arc blocks matched with the arc grooves I4.

The outer wall of the lower locating plate 3 is provided with a lower supporting plate 6, the lower supporting plate 6 is fixed with the lower connecting plate 1 through bolts, the lower supporting plate 6 is of a hollow structure, an annular groove 7 is formed in the inner side of the lower supporting plate 6, a gear transmission plate 8 is rotatably arranged on the annular groove 7, a transmission assembly 9 is arranged between the lower supporting plate 6 and the gear transmission plate 8, the upper end of the lower supporting plate 6 is fixedly provided with a guide plate 10 through bolts, the top of the guide plate 10 is fixedly provided with an upper clamping plate 11 through bolts, the top of the locating mandrel 2 is provided with an impeller hub 12, an impeller blade 13 is arranged in an arc groove 4 of the lower locating plate 3 and an inlet locating block 5, when the impeller blade 13 is required to be located on a welding tool, the impeller blade 13 can be firstly placed in the arc groove 4 of the lower locating plate 3 and is attached to the inlet locating block 5, a clamping assembly 14 for clamping the impeller blade 13 is arranged on the guide plate 10, the transmission assembly 9 can be started firstly for clamping the impeller blade 13 through the clamping assembly 14, and the gear transmission plate 8 is driven to rotate through the transmission assembly 9, and therefore the starting of the clamping assembly 14 can be achieved.

The transmission assembly 9 comprises a first gear 17 and an arc-shaped rack 18, a wide groove 19 is formed in the lower supporting plate 6, the first gear 17 is rotationally arranged in the wide groove 19, the arc-shaped rack 18 is fixed on the outer wall of the gear transmission plate 8, the first gear 17 is in meshed connection with the arc-shaped rack 18, a locking bolt is fixed on the first gear 17, the bottom of the locking bolt penetrates through the first gear 17 and is in threaded fit with the bottom of the wide groove 19, when the locking bolt is required to rotate, the first gear 17 can rotate manually or by means of internal hexagonal rotation, the first gear 17 is driven to rotate through the locking bolt, the first gear 17 can drive the arc-shaped rack 18 meshed with the gear to rotate, and rotation of the gear transmission plate 8 is achieved through rotation of the arc-shaped rack 18.

The clamping assembly 14 comprises a plurality of sliding clamping blocks 20 and a plurality of connecting columns 21, a plurality of arc-shaped grooves II 22 are formed in the guide plate 10, each sliding clamping block 20 is arranged in each arc-shaped groove II 22 in a sliding mode, a sliding groove 23 is formed in the gear transmission plate 8, one end of each connecting column 21 is arranged in each sliding groove 23 in a sliding mode, the other end of each connecting column 21 is fixed with each sliding clamping block 20, when the gear transmission plate 8 rotates, the connecting columns 21 are pushed to slide in the corresponding sliding grooves 23, and the sliding clamping blocks 20 can be driven to slide in the arc-shaped grooves II 22 through the connecting columns 21.

The impeller blade 13 is clamped and positioned through the cooperation between the inlet positioning block 5 and the sliding clamping block 20, and the profiling laminating of the inlet positioning block 5, the lower positioning plate 3 and the sliding clamping block 20 is used for positioning the impeller blade 13, so that after the fixture is installed in place, the impeller blade 13 is not loose, the track of the impeller blade 13 is ensured to meet the drawing requirements, the sliding clamping of the sliding clamping block 20 on the impeller blade 13 is used for correcting the arc of the impeller blade 13, the production consistency is high, and a laser welding path program is not required to be adjusted secondarily.

Offer on the punch holder 11 with arc wall two 22 assorted arc wall three 25, the top of impeller blade 13 can wear out arc wall three 25, impeller back shroud 15 is installed at the top of punch holder 11, impeller back shroud 15 and impeller wheel hub 12 looks adaptation, upper plate 16 is still installed at the top of impeller back shroud 15, through the top installation impeller back shroud 15 at punch holder 11, make can realize carrying out Z to assistance-localization real-time to the compaction of impeller blade 13 through impeller back shroud 15, the clamp of each scope that carries out to impeller blade 13 makes impeller blade 13 be heated and can't produce deformation and run the position at laser welding in-process, impeller finished product welding strength is stable, welding completion counter-rotating gear one 17, make gear drive plate 8 can reverse, make slip clamp block 20 not clamp impeller blade 13 and get a simple.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

Claims

1. The utility model provides a novel impeller rotation fixed-position welding frock for pump, includes lower connecting plate (1) and installs in the inside central location dabber (2) of lower connecting plate (1), its characterized in that, lower locating plate (3) are installed to the upper end of lower connecting plate (1), the outside of lower locating plate (3) overcoat location dabber (2), evenly offered a plurality of arc grooves (4) on lower locating plate (3), the internally mounted of lower locating plate (3) has import locating piece (5), import locating piece (5) are hollow structure, import locating piece (5) overcoat is in the outside of locating dabber (2), install bottom bracket (6) on the outer wall of lower locating plate (3), bottom bracket (6) with realize fixedly through the bolt between lower connecting plate (1), bottom bracket (6) are hollow structure, ring channel (7) have been seted up to the inboard of bottom bracket (6), rotate on ring channel (7) and be provided with gear drive board (8), install between bottom bracket (6) and gear drive board (8) overcoat at the outside of locating piece (2), install guide plate (10) through bolt fixing top bracket (10), impeller wheel hub (12) are installed at the top of location dabber (2), be provided with impeller blade (13) in arc groove one (4) and import locating piece (5) of lower locating plate (3), be provided with on deflector (10) and be used for pressing from both sides clamping assembly (14) of tight impeller blade (13), impeller back shroud (15) are installed at the top of punch holder (11), top clamp plate (16) are still installed at the top of impeller back shroud (15).

2. The novel impeller rotating and positioning welding tool for the pump according to claim 1, wherein the transmission assembly (9) comprises a first gear (17) and an arc-shaped rack (18), a wide groove (19) is formed in the lower supporting plate (6), the first gear (17) is rotatably arranged in the wide groove (19), the arc-shaped rack (18) is fixed on the outer wall of the gear transmission plate (8), the first gear (17) is in meshed connection with the arc-shaped rack (18), a locking bolt is fixed on the first gear (17), and the bottom of the locking bolt penetrates through the first gear (17) and is in threaded fit with the bottom of the wide groove (19).

3. The novel impeller rotating and positioning welding tool for the pump according to claim 1, wherein the clamping assembly (14) comprises a plurality of sliding clamping blocks (20) and a plurality of connecting columns (21), a plurality of arc-shaped grooves II (22) are formed in the guide plate (10), the sliding clamping blocks (20) are respectively arranged in the arc-shaped grooves II (22) in a sliding mode, a sliding groove (23) is formed in the gear transmission plate (8), one end of each connecting column (21) is arranged in the sliding groove (23) in a sliding mode, and the other end of each connecting column (21) is fixed with the corresponding sliding clamping block (20).

4. The novel impeller rotating and positioning welding tool for the pump according to claim 1, wherein a round groove (24) matched with the lower positioning plate (3) is formed in the top of the lower connecting plate (1), the lower positioning plate (3) is arranged in the round groove (24), and the lower positioning plate (3) and the lower connecting plate (1) are fixed through bolts.

5. A novel impeller rotating positioning welding tool for a pump according to claim 3, wherein the outside of the inlet positioning block (5) is composed of a plurality of arc-shaped blocks, and the impeller blades (13) are clamped and positioned through the cooperation between the inlet positioning block (5) and the sliding clamping block (20).

6. The novel impeller rotating and positioning welding tool for the pump according to claim 3, wherein the upper clamping plate (11) is provided with an arc-shaped groove III (25) matched with the arc-shaped groove II (22).