CN103481001A

CN103481001A - Welding fixture for suction drum framework of blanker

Info

Publication number: CN103481001A
Application number: CN201310436117.XA
Authority: CN
Inventors: 王治国; 韩燕喜; 韩海龙; 李志强; 李亚英; 祝国荣; 李国强; 邬晓颖; 王新萍; 李春明
Original assignee: Beijing North Vehicle Group Corp
Current assignee: Beijing North Vehicle Group Corp
Priority date: 2013-09-23
Filing date: 2013-09-23
Publication date: 2014-01-01

Abstract

The invention discloses a welding fixture for a suction drum framework of a blanker. The welding fixture comprises a support, positioning apparatuses and locking nuts. The welding fixture is characterized in that each of the positioning apparatuses comprises a positioning disc, guide holders uniformly distributed on the outer circumference of the positioning disc, telescopic retaining plates in sliding connection with the guide holders, and positioning blocks detachably connected with the positioning retaining plates; the telescopic retaining plates slide along the radial direction of a suction drum shaft on the guide holders; the positioning blocks are arranged on radii of the positioning discs, which point to the guide holders, and positioning grooves are formed in the sides of the positioning blocks, which are opposite to the positioning discs; longitudinally arranged bolt holes are formed in longitudinal connection beams of the support. The welding fixture has the advantages that the positioning is accurate, and the operation is convenient; the welding fixture can be adapted to many varieties by adjusting positions of the bolt holes of the longitudinal connection beams of the support, positions of the telescopic retaining plates and exchanging of the positioning blocks with the positioning grooves of different widths, and input costs can be saved during assembly and welding of small-batch workpieces.

Description

Welding tool for suction drum framework of blanking device

Technical Field

The invention relates to a welding tool, in particular to a welding tool for a suction drum framework of a blanking device, and belongs to the field of mechanical production and machining.

Background

On a tobacco production line, a device for separating gas and materials is called a blanking device, one of key parts of the blanking device is an absorption drum, the key part of the absorption drum is a framework, the framework is formed by assembling and welding an absorption drum shaft and 6 rib plates, the 6 rib plates are required to be uniformly distributed on the shaft, the requirement on the ellipticity of the outer circle is high, and a static balance test needs to be carried out after the assembly and welding. If 6 rib plates are unevenly distributed on the shaft, great workload such as subsequent weight balancing, grinding and the like can be brought.

At the in-process that the frame of inhaling hinders welding, need place the skeleton of inhaling on the welding frock, and current welding frock, because inconvenient regulation size has brought a great deal of inconvenience for practical application, for example:

1. the variety is less;

2. when the suction drum frameworks are assembled and welded in small batches, the cost investment is increased.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the welding tool for the suction drum framework of the blanking device, which is convenient to adjust the size, multiple in adaptation variety, accurate in positioning and convenient to operate.

In order to achieve the above object, the present invention adopts the following technical solutions:

blanking ware suction drum skeleton welding frock includes: the setting is used for fixing a position the positioner of floor at the axle both ends of inhaling the drum, is used for locking positioner and the lock nut who inhales the drum axle to and be used for supporting the support that inhales the drum axle, its characterized in that, aforementioned positioner includes: the positioning disc, a guide seat uniformly distributed on the outer circumference of the positioning disc, a telescopic baffle plate in sliding connection with the guide seat and a positioning block detachably connected with the positioning disc; the telescopic baffle plate slides on the guide seat along the axial direction of the suction drum shaft; the positioning block is arranged on the radius of the positioning disc pointing to the guide seat, and a positioning groove is formed on one side back to the positioning disc.

The welding tool for the suction drum framework of the blanking device is characterized in that a guide boss is formed on the guide seat, a long round hole is formed in the telescopic baffle, and the guide boss slides in the long round hole.

The welding tool for the suction drum framework of the blanking device is characterized in that connecting holes are formed in the periphery of the positioning block, and a positioning boss is formed on one side facing the positioning disc.

The welding tool for the suction drum framework of the blanking device is characterized in that the positioning block is made of ferrous metal.

The welding tool for the suction drum framework of the blanking device is characterized in that the suction drum shaft and the positioning device are positioned through a shaft shoulder and a key.

The welding tool for the suction drum framework of the blanking device is characterized in that the support is a welding structural part.

The welding tool for the suction drum framework of the blanking device is characterized in that two ends of the support are provided with V-shaped blocks for placing suction drum shafts.

The welding tool for the suction drum framework of the blanking device is characterized in that longitudinally-arranged bolt holes are formed in the longitudinal connecting beam of the support.

The invention has the advantages that: the positioning is accurate, the operation is convenient, the assembly welding requirement of the suction drum framework of the blanking device is met, and a foundation is laid for a static balance test; the device can adapt to suction drum frameworks with different lengths by adjusting the positions of the bolt holes of the transverse connecting beams of the bracket, can adapt to workpieces with different heights of the excircle positioning surface by adjusting the positions of the telescopic baffles, can adapt to workpieces with different wall thicknesses by replacing positioning blocks with positioning groove holes with different widths, is suitable for various workpieces, and can save cost investment in assembly welding of small-batch workpieces; except that the positioning block with the key slot is made of ferrous metal, the positioning block can be made of nonferrous metal, so that the positioning device is light in weight and good in man-machine engineering.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a welding tool of the present invention;

FIG. 2 is a top view of the welding fixture of FIG. 1;

FIG. 3 is a cross-sectional view A-A of the welding fixture of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the longitudinal connecting beam of FIG. 1;

FIG. 5 is a schematic view of the positioning device of FIG. 1;

FIG. 6 is a schematic view of the positioning disk of FIG. 5;

FIG. 7 is a schematic view of the guide shoe of FIG. 5;

FIG. 8 is a cross-sectional view A-A of the guide housing of FIG. 7;

FIG. 9 is a schematic view of the construction of the retractable baffle of FIG. 5;

FIG. 10 is a schematic view of the positioning block of FIG. 5;

figure 11 is a cross-sectional view a-a of the locating block of figure 10.

The meaning of the reference symbols in the figures:

1-support, 2-positioning device, 3-locking nut, 4-suction drum shaft, 11-V-shaped block, 12-connecting beam, 13-bolt hole, 14-pin shaft, 21-positioning disc, 22-guide seat, 23-telescopic baffle, 24-positioning block, 211-installation positioning reference surface, 212-fixing hole, 213-key groove hole, 221-guide boss, 231-long hole, 241-positioning groove, 242-connecting hole and 243-positioning boss.

Detailed Description

The invention is described in detail below with reference to the figures and the embodiments.

Referring to fig. 1 to 3, the welding tool for the suction drum skeleton of the blanking device of the invention comprises: a bracket 1, a positioning device 2 and a locking nut 3. The positioning device 2 is used for positioning rib plates and arranged at two ends of the suction drum shaft 4, the suction drum shaft 4 and the positioning device 2 are positioned through a shaft shoulder and a key, then the positioning device 2 is fixed on the suction drum shaft 4 through the locking nut 3, and two ends of the suction drum shaft 4 are placed on the support 1. The support 1 is the welded structure spare, prefers to set up V type piece 11 at the both ends of support 1 for place and inhale drum shaft 4, will inhale drum shaft 4 and floor and all place the back, can carry out the assembly welding.

As a preferable scheme, referring to fig. 1 and 4, longitudinally arranged bolt holes 13 are formed on a longitudinal connecting beam 12 of the bracket 1, a pin 14 is inserted into the bolt hole 13, and the position of the bolt hole 13 on the longitudinal connecting beam 12 of the bracket 1 is adjusted to adapt to the suction drum frameworks with different lengths.

The structure and composition of the positioning device 2 will be described in detail below.

Referring to fig. 3 and 5, the positioning device 2 includes: the positioning device comprises a positioning disc 21, guide seats 22 uniformly distributed on the outer circumference of the positioning disc 21, a telescopic baffle plate 23 in sliding connection with the guide seats 22, and a positioning block 24 detachably connected with the positioning disc 21. Wherein,

referring to fig. 6, an installation positioning reference surface 211 and a fixing hole 212 are formed on the inner side of the positioning disc 21, a key slot hole 213 is formed on the installation positioning reference surface 211, and the installation positioning reference surface 211 is used for installing and fixing the positioning block 24; meanwhile, the outer circumference of the positioning disc 21 is also provided with an installation positioning reference surface and a fixing hole for installing and fixing the guide seats 22, and the suction drum framework is provided with 6 rib plates, so that the positioning disc 21 is uniformly provided with 6 guide seats 22. The positioning disk 21 is preferably a welded structure.

The telescopic baffle 23 slides along the axial direction of the suction drum shaft 4 on the guide seat 22, the height of the telescopic baffle 23 is adjusted to adapt to workpieces (rib plates) with different heights of the excircle positioning surface, and after the telescopic baffle 23 is adjusted to a proper height, the telescopic baffle 23 is fastened on the positioning disc 21 through butterfly bolts.

As a preferable mode, referring to fig. 7, 8 and 9, the guide boss 221 is formed on the guide base 22, the elongated hole 231 is formed on the retractable barrier 23, and the guide boss 221 slides in the elongated hole 231, thereby smoothly adjusting the height of the retractable barrier 23 itself.

The positioning block 24 is arranged on the radius of the positioning disc 21 pointing to the guide seat 22, a positioning groove is formed on one side back to the positioning disc 22 and used for positioning a workpiece, and the positioning block with the positioning groove with different widths can be replaced to adapt to workpieces with different wall thicknesses.

As a preferable scheme, referring to fig. 10 and 11, a positioning groove 241 is formed on a side of the positioning block 24 facing away from the positioning disc 21 for positioning the rib; a positioning boss 243 is formed on one side facing the positioning disk 21, and the positioning boss 243 is matched with the key slot hole 213 on the positioning disk 21 to position the positioning block 24; the positioning block 24 is formed with coupling holes 242 around and aligned with the fixing holes 212 of the positioning disc 21, and then the positioning block 24 is fixed to the positioning disc 21 by means of bolts.

The positioning block 24 is preferably made of ferrous metal, and the rest can be made of non-ferrous metal, so that the weight is light and the ergonomics is good.

It should be noted that the above-mentioned embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the protection scope of the present invention.

Claims

1. Blanking ware suction drum skeleton welding frock includes: the setting is used for fixing a position the positioner of floor at inhaling drum axle both ends for lock positioner and the lock nut who inhales the drum axle to and be used for supporting the support that inhales the drum axle, its characterized in that, positioner includes: the positioning device comprises a positioning disc, a guide seat uniformly distributed on the outer circumference of the positioning disc, a telescopic baffle plate in sliding connection with the guide seat, and a positioning block detachably connected with the positioning disc; the telescopic baffle plate slides on the guide seat along the axial direction of the suction drum shaft; the positioning block is arranged on the radius of the positioning disc, which points to the guide seat, and a positioning groove is formed on one side back to the positioning disc.

2. The welding fixture of the blanking device suction drum framework as recited in claim 1, wherein a guide boss is formed on the guide seat, and a slotted hole is formed on the retractable baffle, and the guide boss slides in the slotted hole.

3. The welding fixture for the suction drum framework of the blanking device as recited in claim 1, wherein the positioning block is formed with a connecting hole at the periphery thereof, and a positioning boss is formed at a side facing the positioning plate.

4. The unloader suction drum skeleton welding tool according to claim 3, wherein the positioning block is made of ferrous metal.

5. The unloader suction drum skeleton welding fixture of claim 1, wherein the suction drum shaft and the positioning device are positioned by a shoulder and a key.

6. The unloader suction drum skeleton welding fixture of claim 1, wherein the bracket is a welded structure.

7. The unloader suction drum skeleton welding tool according to claim 6, wherein both ends of the bracket are provided with V-shaped blocks for placing a suction drum shaft.

8. The blanking device suction drum framework welding tool as claimed in claim 6, wherein the longitudinal connecting beam of the bracket is formed with longitudinally arranged bolt holes.