CN219598565U - Auxiliary device for welding impeller blades - Google Patents

Abstract

The utility model discloses an auxiliary device for welding impeller blades, which comprises a profiling assembly and a rotating part, wherein the profiling assembly is used for positioning the impeller blades, the profiling assembly moves up and down and left and right through an adjusting mechanism, and the rotating part is used for driving an impeller chassis to rotate. According to the auxiliary device for welding the impeller blades, the rotation angle of the impeller chassis is controlled through the servo motor, meanwhile, the blades are ensured to be perpendicular to the impeller chassis through the backup plate, uniform spacing of the impeller blades is ensured, the blades are ensured to be perpendicular to the chassis, the rejection rate is greatly reduced, and the production quality is improved.

Description

Auxiliary device for welding impeller blades

Technical Field

The utility model relates to the technical field of impeller blade welding, in particular to an auxiliary device for welding impeller blades.

Background

The impeller is a core pneumatic component of the fan, and the conventional impeller mainly comprises a shaft disc, a chassis, blades and a front disc, wherein the chassis, the blades and the front disc are fixed in a welding mode.

In the current production process, the impeller blades are welded mainly by cutting the shape and the blade position of the impeller chassis on the iron sheet to serve as templates, then the blades are manually placed on the blade grooves of the templates for manual spot welding, and the machining mode is difficult to ensure complete equally division of the blades on the product and also difficult to ensure the perpendicular to the impeller chassis due to the fact that great errors exist in manually placing the blades, and therefore the consistency of the product is poor, the rejection rate is high, and the production efficiency is low.

Therefore, it is necessary to design an auxiliary device that not only ensures uniform blade pitch, but also ensures that the blades are perpendicular to the impeller chassis.

Disclosure of Invention

The utility model provides an auxiliary device for welding impeller blades, which controls the rotation angle of an impeller chassis through a servo motor, and simultaneously ensures that the blades are perpendicular to the impeller chassis through a backup plate, and specifically adopts the following technical scheme:

the utility model provides an auxiliary device of welding impeller blade, includes profiling subassembly and rotating member, the profiling subassembly is used for the location impeller blade, the profiling subassembly reciprocates, controls the removal through adjustment mechanism, rotating member is used for driving the impeller chassis rotation. The profiling assembly comprises a profiling plate, a profiling rod and an adjusting block, wherein the profiling plate is fixedly connected with the profiling rod, the profiling rod is fixedly connected with the adjusting block, the adjusting block is connected with the adjusting mechanism, the adjusting mechanism comprises a sliding plate, a first sliding block, a first sliding rail, a second sliding block and a second sliding rail, the sliding plate is fixedly connected with the first sliding block, the first sliding block moves up and down through the first sliding rail, the first sliding rail moves left and right on the second sliding rail through the second sliding block, the second sliding rail is arranged on one side of a base, the other side of the base is provided with a rotating part, and the bottom end of the base is provided with a universal wheel.

Preferably, the first sliding rail and the second sliding rail comprise a linear guide rail structure or a guide rail screw rod structure.

Further preferably, the first sliding rail and the second sliding rail are both of a guide rail screw rod structure.

Preferably, the template is L-shaped as a whole.

Preferably, the profiling rod is provided with a limiting block, the adjusting block is provided with 2 limiting grooves corresponding to the limiting block, and the central lines of the 2 limiting grooves are on the same straight line.

Preferably, the adjusting block is provided with a fine adjustment mechanism, the fine adjustment mechanism comprises an angle adjusting bolt and at least 2 kidney-shaped grooves, and the kidney-shaped grooves comprise linear type and circular arc type.

Further preferably, the fine adjustment mechanism may be further provided on the sliding plate, or the fine adjustment mechanism may be provided on both the adjustment block and the sliding plate.

Preferably, the device further comprises a sensor for detecting the direction of the template.

Preferably, the rotating component comprises a servo motor, the servo motor is connected with a planetary gear reducer, the planetary gear reducer is coaxially connected with a transmission shaft, the servo motor, the planetary gear reducer and the transmission shaft are all arranged in a motor retainer, a connecting ring is fixedly connected on the motor retainer, the connecting ring is connected with an inner ring of a bearing, the transmission shaft is coaxially connected with a tooling disc and a centering shaft, an outer ring of the bearing is connected with the tooling disc, a center ring is arranged on the tooling disc and is used for positioning an impeller chassis, and a compression ring is arranged on the tooling disc and is used for compressing the positioning impeller chassis.

Further preferably, a carbon brush is arranged in the motor retainer, and the carbon brush is in contact with the transmission shaft.

Further preferably, the servo motor is connected with a pedal.

Preferably, the control cabinet is further comprised, and the control cabinet integrates a control system of the auxiliary device for welding the impeller blades, and comprises control of the first sliding rail and the second sliding rail.

The utility model has the beneficial effects that: the auxiliary device for welding the impeller blades ensures uniform impeller blade spacing, ensures that the blades are perpendicular to the chassis, greatly reduces the rejection rate, improves the production quality, is particularly suitable for batch production, and remarkably improves the product consistency and the production efficiency.

Drawings

FIG. 1 is a schematic view of the auxiliary device of the present utility model for welding impeller blades;

FIG. 2 is a partial schematic view of the profiling apparatus of the present utility model;

fig. 3 is a cross-sectional view of a rotary member of the present utility model.

In the figure: 1. the device comprises a template, 2, a template rod, 3, an adjusting block, 4, a sliding plate, 5, a sensor, 6, a first sliding rail, 7, a second sliding rail, 8, a rotating part, 9, a base, 10, a servo motor, 11, a planetary gear reducer, 12, a carbon brush, 13, a connecting ring, 14, a transmission shaft, 15, a bearing, 16, a tooling disc, 17, a compression ring, 18, a center ring, 19, a centering shaft, 20, a motor retainer, 21, a limiting groove, 22, a kidney-shaped groove, 23 and a control cabinet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments of the present utility model are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.

The utility model will be further described with reference to fig. 1 and 2, which is an auxiliary device for welding impeller blades, comprising a profiling assembly and a rotating component 8, wherein the profiling assembly is used for positioning the impeller blades, the profiling assembly moves up and down and left and right through an adjusting mechanism, and the rotating component 8 is used for driving the impeller chassis to rotate. The profiling assembly comprises a profiling plate 1, a profiling rod 2 and an adjusting block 3, wherein the profiling plate 1 is fixedly connected with the profiling rod 2, the profiling rod 2 is fixedly connected with the adjusting block 3, the adjusting block 3 is connected with an adjusting mechanism, the adjusting mechanism comprises a sliding plate 4, a first sliding block, a first sliding rail 6, a second sliding block and a second sliding rail 7, the sliding plate is fixedly connected with the first sliding block, the first sliding block moves up and down through the first sliding rail 6, the first sliding rail 6 moves left and right on the second sliding rail 7 through the second sliding block, the second sliding rail 7 is arranged on one side of a base 9, the other side of the base 9 is provided with a rotating part 8, and the bottom end of the base 9 is provided with a plurality of universal wheels.

In this embodiment, the first slide rail 6 and the second slide rail 7 are both guide rail screw structures, and the guide rail screw structures have good precision retention and long service life.

Referring to fig. 2, the template 1 is generally L-shaped, and the template 1 is used for positioning the required welding blade.

Wherein, the shape of the template 1 is matched with the shape of the blade.

In this embodiment, the profile modeling rod 2 is provided with a limiting block, the adjusting block 3 is provided with 2 limiting grooves 21 corresponding to the limiting block, and the central lines of the 2 limiting grooves 21 are on the same straight line, so as to realize 180-degree turning of the profile modeling rod 2.

In this embodiment, the adjusting block 3 is provided with a fine adjustment mechanism, the fine adjustment mechanism includes an angle adjusting bolt and at least 2 waist-shaped grooves 22, the waist-shaped grooves are symmetrically arranged left and right, the waist-shaped grooves 22 include a linear type and an arc type, and the angle adjustment of the template 1 can be achieved by adjusting the position of the adjusting block 3.

The fine adjustment mechanism may be further disposed on the sliding plate 4, or the fine adjustment mechanism may be disposed on the adjusting block 3 and the sliding plate 4 at the same time.

In this embodiment, the device further includes a sensor 5 for detecting the direction of the template, where the sensor 5 is used to distinguish the direction of the template 1, so that the device can spot-weld double air inlet impeller blades, and when the impeller blades of the same model are spot-welded on the opposite side, only the template rod 2 needs to be installed in the direction of replacement.

Referring to fig. 3, the rotating component 8 includes a servo motor 10, the servo motor 10 is connected with a planetary gear reducer 11, the planetary gear reducer 11 is coaxially connected with a transmission shaft 14, the servo motor 10, the planetary gear reducer 11 and the transmission shaft 14 are all arranged in a motor retainer 20, a connecting ring 13 is fixedly connected on the motor retainer 20, the connecting ring 13 is connected with an inner ring of a bearing 15, the transmission shaft 14 is coaxially connected with a tooling disc 16 and a centering shaft 19, an outer ring of the bearing 15 is connected with the tooling disc 16, a center ring 18 is arranged on the tooling disc 16, the center ring 18 is used for positioning an impeller chassis, a pressing ring 17 is arranged on the tooling disc 16, and the pressing ring 17 is used for pressing the positioning impeller chassis.

Wherein the motor holder is used for supporting and fixing the servo motor 10 and the planetary gear reducer 11; the bearing 15 is a crossed roller bearing 15, and the rotation precision is high.

In this embodiment, a carbon brush 12 is disposed in the motor holder 20, and the carbon brush 12 contacts the transmission shaft 14.

In this embodiment, the servo motor 10 is connected to a foot pedal for controlling equidistant rotation of the tooling plate 16.

In this embodiment, the control cabinet 23 is further included, and the control cabinet 23 integrates a control system of the auxiliary device for welding the impeller blades, including the control of the first slide rail 6 and the second slide rail 7.

The following is a brief description of the process of use of the present utility model in connection with fig. 1: firstly, fixedly mounting an impeller chassis to be welded on a tooling disc 16; then the angle of the template plate 1 is consistent with the angle of the required welding blade by adjusting the position of the adjusting block 3; then the position of the adjusting mechanism is adjusted through a control cabinet 23, so that the template 1 is moved to a set position, the required welding blade is abutted against the template 1, and the blade is manually spot-welded on the impeller chassis; then, a worker controls the impeller chassis to rotate to the next welding position through a foot switch, the tooling disc 16 is driven by the servo motor 10, the rotation angle of the impeller chassis is controlled, and the spot welding of the blades is continued; and finally, the spot welding work of all the blades is completed by rotating the position of the tooling disc 16 for a plurality of times and performing spot welding.

The utility model is used for spot welding of the impeller blades in the embodiment, and the utility model can also be used for directly welding the impeller blades by being provided with a welding mechanism.

Claims (7)

1. An auxiliary device for welding impeller blades, which is characterized in that: the device comprises a profiling assembly and a rotating part, wherein the profiling assembly is used for positioning impeller blades, the profiling assembly moves up and down and left and right through an adjusting mechanism, and the rotating part is used for driving an impeller chassis to rotate; the profiling assembly comprises a profiling plate, a profiling rod and an adjusting block, wherein the profiling plate is fixedly connected with the profiling rod, the profiling rod is fixedly connected to the adjusting block, and the adjusting block is connected with the adjusting mechanism; the rotating part comprises a tooling disc, wherein a center ring is arranged on the tooling disc and used for positioning the impeller chassis, and a pressing ring is arranged on the tooling disc and used for pressing the impeller chassis.

2. An auxiliary device for welding impeller blades according to claim 1, wherein: the whole template is L-shaped.

3. An auxiliary device for welding impeller blades according to claim 1, wherein: the profiling rod is provided with a limiting block, the adjusting block is provided with 2 limiting grooves corresponding to the limiting block, and the central lines of the 2 limiting grooves are on the same straight line.

4. An auxiliary device for welding impeller blades according to claim 1, wherein: and the adjusting block is provided with a fine adjustment mechanism, and the fine adjustment mechanism is used for adjusting the angle of the explorator plate.

5. An auxiliary device for welding impeller blades according to claim 1, wherein: the device also comprises a sensor for detecting the direction of the template.

6. An auxiliary device for welding impeller blades according to claim 1, wherein: the rotating component further comprises a servo motor, the servo motor is connected with a planetary gear reducer, the planetary gear reducer is coaxially connected with a transmission shaft, the servo motor, the planetary gear reducer and the transmission shaft are arranged in a motor retainer, a connecting ring is fixedly connected to the motor retainer, the connecting ring is connected with an inner ring of a bearing, the transmission shaft is coaxially connected with a tooling disc and a centering shaft, and an outer ring of the bearing is connected with the tooling disc.

7. An auxiliary device for welding impeller blades according to claim 1, wherein: still include the switch board, the switch board has integrated the control system of welding impeller blade's auxiliary device, including the control to first slide rail and second slide rail.