CN209902564U

CN209902564U - Welding tool table for machining vertical diagonal flow pump

Info

Publication number: CN209902564U
Application number: CN201920607165.3U
Authority: CN
Inventors: 李忠要
Original assignee: Hunan Licheng Machinery Manufacturing Co Ltd
Current assignee: Hunan Licheng Machinery Manufacturing Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-01-07
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a structural design is reasonable, the installation maintenance is convenient, the operation is simple, the workstation rotates steadily, evenly, saves time, laborsaving during the operation, can effectively improve the welding quality; the setting of gag lever post has greatly improved off-the-shelf precision, reduces the probability of failing.

Description

Welding tool table for machining vertical diagonal flow pump

Technical Field

The utility model belongs to the technical field of mechanical welding and specifically relates to a welding frock platform is used in processing of vertical diagonal flow pump.

Background

The existing large-scale pump body, such as a vertical diagonal flow pump for pumping and adjusting seawater, is formed by bending and welding a stainless steel plate, and is usually arranged on a rotary tooling table for welding due to a large size, for example, a large-scale water pump paint spraying device with application number CN201721184431.3, which comprises a rotary table frame; the upper end surface of the rotary plate frame is horizontally provided with a rotary plate seat; a turntable supporting top assembly is arranged at the outer circumference of the turntable seat; a positioning hole is arranged at the central position of the turntable seat; bearing flanges are arranged in the positioning holes in a matching manner; the bearing flange is fixed at the upper end of the turntable base through a hexagon head bolt A; a bearing seat is welded and fixed at the circle center position of the bearing flange; a thrust ball bearing and a deep groove ball bearing are sequentially arranged in the bearing seat from bottom to top; eight turntable supporting top assemblies are uniformly arranged at the upper end of the turntable base, and the outer circumference of the turntable cover is supported and guided, so that the normal operation of paint spraying is ensured; be provided with thrust ball bearing on the rotation axis of carousel lid and be used for offsetting the axial force that bears when the rotation axis is rotatory, set up deep groove ball bearing on the rotation axis and be used for bearing the radial load that receives when the rotation axis is rotatory, guaranteed that the manual work uses the power application pole can easily rotate the carousel lid and practiced thrift manufacturing cost's while improved the security performance, though this utility model is used for spraying paint with rotatory, but when being used for the welding, because the welding can produce uncontrollable welding deformation, if the great meeting of deflection probably leads to the product manufacturing failure.

The same self-rotating welding positioner with application number of CN201420327322.2 does not have a device for preventing welding deformation, and is difficult to ensure the qualification rate of products in the welding process, and is easy to cause the manufacturing failure of the products caused by welding deformation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the welding tooling table for machining the vertical diagonal flow pump can control welding deformation.

The utility model provides a technical scheme that its technical problem adopted is: the welding tool table for machining the vertical diagonal flow pump comprises a frame, a main shaft, a motor, a speed reducer and a tool table, wherein the main shaft is fixedly arranged at the center of the tool table, the motor is connected with the main shaft through the speed reducer, the motor is fixedly arranged in the frame, and the welding tool table further comprises a limiting rod, and the limiting rod is arranged on the surface of the tool table.

Furthermore, the length of the limiting rod is 1.5m ~ 2m, the limiting rod is fixed in length, the welding deformation is large when the caliber of a workpiece is larger, and the welding deformation is large, so that the problem that the welding deformation is limited when the shell is welded because the shell is usually deformed towards one direction is found in a large vertical diagonal flow pump for welding of the large vertical diagonal flow pump, wherein the large vertical diagonal flow pump is provided with the shell shaped like a three-way pipe.

Furthermore, the limiting rod is of a telescopic structure.

Further, the gag lever post includes dead lever and carriage release lever, and the dead lever is hollow structure to be equipped with the internal thread, be equipped with the external screw thread on the carriage release lever, carriage release lever and dead lever threaded connection.

Furthermore, the welding deformation direction of the limiting rod is consistent with that of a substitute machining part, taking the shell as an example, when the shell in the shape of the tee pipe is welded, the shell is a circle according to the original drawing, but the welded shell is very easy to become an ellipse, so that the deformation rule is found, and the circle can be prevented from becoming an ellipse by supporting the limiting rod.

Further, a bearing is arranged on the rack, and the main shaft penetrates through the bearing to be connected with the speed reducer.

Further, the frame is coupled with the tooling table.

Further, the speed reducer is a worm gear speed reducer.

Further, the tool table is circular, and the circular shape is better rotated, so that the stress is balanced.

The utility model has the advantages that: the utility model drives the tool table to rotate through the motor, the reducer and the main shaft, shifts the workpiece on the tool table and ensures that the workpiece is in the best welding position; the reducer is used for transmitting torque, the reduction ratio is large, and the transmitted torque is large; the welding machine has the advantages of reasonable structural design, convenience in installation and maintenance, simplicity in operation, stability and uniformity in rotation of the workbench during operation, time and labor conservation, and capability of effectively improving the welding quality; the limiting rod is arranged on the tool table, welding deformation can be effectively prevented, particularly when the vertical diagonal flow pump is welded, the precision of a finished product is greatly improved due to the arrangement of the limiting rod, and the failure probability is reduced.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a working state diagram of the present invention.

In the figure: the machining process comprises the steps of 1, a frame, 11, a bearing, 2, a main shaft, 3, a motor, 4, a speed reducer, 5, a tooling table, 6, a limiting rod and 7-generation machining parts.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

Referring to fig. 1 ~ 2, the tooling table 5 for welding the vertical diagonal flow pump of the embodiment includes a frame 1, a main shaft 2, a motor 3, a speed reducer 4 and the tooling table 5, wherein the main shaft 2 is fixedly arranged at the center of the tooling table 5, the motor 3 is connected with the main shaft 2 through the speed reducer 4, the motor 3 is fixedly arranged in the frame 1, the tooling table further includes a limit rod 6, the limit rod 6 is arranged on the surface of the tooling table 5, the length of the limit rod 6 is 1.5m, the length of the limit rod 6 is the same as the caliber of a workpiece 7, the welding deformation direction of the limit rod 6 is the same as that of the workpiece 7, a bearing 11 is arranged on the frame 1, the main shaft 2 passes through the bearing 11 and is connected with the speed reducer 4, the frame 1 is coupled with the tooling table 5, the speed reducer 4.

The motor 3 is connected with an external power supply, an output shaft of the motor 3 is connected with a worm, the worm is meshed with a turbine, the turbine is connected with the spindle 2, and the motor 3 rotates to finally drive the tool table 5 to rotate.

When the vertical diagonal flow pump is processed, the welding deformation is effectively limited by the limiting rod 6 because the welding is easy to deform.

The utility model discloses a theory of operation and application method: the utility model utilizes the limiting rod 6 to prevent welding deformation,

when the workpiece 7 is welded, the limiting rod 6 is arranged at the position of welding deformation, taking the shell of the three-way pipe structure as an example, as shown in fig. 2, when the bottom is welded, the bottom circle is easy to become an ellipse, and as shown in fig. 2, the limiting rod 6 needs to be arranged in parallel with the direction of the upper end.

Example 2

This example differs from example 1 in that: the limiting rod 6 is of a telescopic structure, the limiting rod 6 comprises a fixing rod and a moving rod, the fixing rod is of a hollow structure and is provided with an internal thread, an external thread is arranged on the moving rod, and the moving rod is in threaded connection with the fixing rod.

The limiting rod 6 is telescopic through threaded connection, the length of the limiting rod 6 is adjusted, and the welding device can be suitable for welding of the substitute workpieces 7 of different sizes.

The above technical features can be understood and implemented by those skilled in the art through the text description, and therefore, the accompanying drawings are not needed to be described.

Claims

1. Welding frock platform (5) is used in processing of vertical diagonal flow pump, including frame (1), main shaft (2), motor (3), reduction gear (4) and frock platform (5), main shaft (2) are fixed to be set up at frock platform (5) center, and motor (3) are connected with main shaft (2) through reduction gear (4), and motor (3) are fixed to be set up in frame (1), its characterized in that: the tool table further comprises a limiting rod (6), and the limiting rod (6) is arranged on the surface of the tool table (5).

2. The welding tool table (5) for the vertical diagonal flow pump machining according to claim 1, wherein the length of the limiting rod (6) is 1.5m ~ 2 m.

3. The welding tool table (5) for machining the vertical diagonal flow pump according to claim 1, characterized in that: the limiting rod (6) is of a telescopic structure.

4. The welding tool table (5) for machining the vertical diagonal flow pump according to claim 3, characterized in that: the limiting rod (6) comprises a fixed rod and a moving rod, the fixed rod is of a hollow structure and is provided with an internal thread, an external thread is arranged on the moving rod, and the moving rod is in threaded connection with the fixed rod.

5. The welding tool table (5) for the vertical diagonal flow pump machining according to any one of claims 1 to 1 ~ 4, wherein the welding deformation direction of the limiting rod (6) is consistent with that of the substitute machining piece (7).

6. The welding tool table (5) for the machining of the vertical diagonal flow pump according to any one of claims 1 ~ 4, wherein a bearing (11) is arranged on the rack (1), and the main shaft (2) penetrates through the bearing (11) to be connected with the speed reducer (4).

7. The welding tool table (5) for machining the vertical diagonal flow pump according to claim 6, characterized in that: the frame (1) is in shaft connection with the tool table (5).

8. The welding tooling table (5) for the vertical diagonal flow pump machining according to any one of claims 1 to 1 ~ 4 is characterized in that the speed reducer (4) is a worm gear speed reducer (4).

9. The welding tooling table (5) for the vertical diagonal flow pump machining according to any one of claims 1 to 1 ~ 4, wherein the tooling table (5) is circular.