Double-sided welding tool for roller end cover
Technical Field
The utility model belongs to the technical field of roller production, and particularly relates to a roller end cover double-sided welding tool.
Background
The roller is applied to the fields of printing, packaging, diaphragm, coating and the like, and when the roller is produced and processed, the contact surfaces of the two ends of the roller end cover and the end shaft are welded and fixed, and then the end cover is welded and fixed. Because the gravity of roller end cover and end axle is great, and the operating personnel need rotate self position when the welding and carry out welding operation to roller end cover and end axle, has the problem that welding operation efficiency is low, because really supports the restriction to the end axle this moment, when placing the end axle down on the workshop bottom surface, has stability poor, easy problem of empting, the certain safety in production hidden danger of existence.
Disclosure of Invention
The utility model aims to solve the technical problem of improving a double-sided welding tool for the roller end cover, which can automatically rotate the roller end cover and end shaft assembly to improve the welding operation efficiency and the safety.
In order to solve the technical problems, the double-sided welding fixture for the roller end covers is realized by the following technical scheme that the double-sided welding fixture for the roller end covers comprises a base, a rotary table, a square shaft, an operation table, a supporting rod, a positioning disk and positioning pins, wherein a rotary driving mechanism is fixedly arranged in the base, the rotary table is fixedly arranged at an execution end of the rotary driving mechanism, the square shaft is fixedly arranged at the bottom of the rotary table, the operation table is of a cylindrical structure, a square hole is formed in the center of the bottom of the operation table, the square hole is sleeved on the square shaft, a round hole is formed in the center of the top of the operation table, a threaded hole is formed in the center of the round hole, the bottom of the positioning pin is of an external thread structure, the positioning pins are arranged in the threaded hole in a circular array mode by taking the axis as the center of the operation table, pin holes in the bottom of the positioning disk are embedded and are arranged in the positioning pins, positioning holes coaxial with the round hole are formed in the positioning disk, and the diameter of the positioning holes is larger than the round hole.
Preferably, the support rod is fixedly sleeved with a nut.
Preferably, the top surface of the supporting rod is in a spherical structure.
Preferably, the top of the positioning hole is provided with an oblique angle structure.
Preferably, the two sides of the positioning disc are symmetrical and fixedly provided with connecting rods.
Compared with the prior art, the welding device has the advantages that the welding work can drive the assembly of the end cover and the end shaft to automatically rotate, an operator does not need to move the position to perform circumferential welding operation on the contact area of the end cover and the end shaft, and the welding device has the advantage of convenience in operation and can improve the welding operation efficiency. Simultaneously, this work can fix a position end cover and end shaft respectively, can improve the stability when welding operation, reduces the potential safety hazard.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of the structure of the present utility model for welding with the end shaft facing upward.
Fig. 2 is a schematic view of the structure of the present utility model for end-to-end welding.
Detailed Description
The utility model is described in detail below in connection with specific embodiments:
The utility model provides a two-sided welding frock of roller end cover as shown in fig. 1 and 2, includes base 1, revolving stage 11, square shaft 12, operation panel 2, bracing piece 4, positioning disk 5 and locating pin 6, fixed mounting has rotary driving mechanism in the base 1, revolving stage 11 fixed mounting is at rotary driving mechanism's execution end, rotary driving mechanism sets up to motor rotary driving mechanism, square shaft fixed mounting is in revolving stage 11 bottom, operation panel 2 sets up to the cylinder structure, operation panel 2 bottom center department has the square hole, the square hole cup joints and installs on square shaft 12, operation panel 2 top center department has the round hole, round hole center point department is provided with the screw hole, locating pin 6 bottom sets up the external screw thread structure, locating pin 6 bottom spiro union is installed at threaded hole, operation panel 2 uses the axis to set up locating pin 6 as the center in annular array, the pinhole embedding of locating disk 5 bottom surface is installed in locating pin 6, be provided with on the locating disk 5 with the locating hole 51 coaxial with the round hole, the diameter size that is greater than the round hole 51.
The nut 41 is fixedly sleeved on the support rod 4, the nut 41 is sleeved through a sleeve tool, the combination of the nut 41 and the support rod 4 is rotated, so that the support rods 4 with different diameters can be replaced conveniently, and an inner hexagonal hole matched with the nut 41 is formed in the nut 41.
The top surface of the supporting rod 4 is of a spherical structure, so that the end shaft 8 is easily sleeved on the supporting rod 4, and the positioning function is realized.
The top of the positioning hole 51 is provided with an oblique angle structure, so that the end cover 7 plays a guiding role when being embedded into the positioning hole 51.
The two sides of the positioning disc 5 are symmetrically and fixedly provided with the connecting rods 52, and the positioning disc 5 is conveniently separated from the operating platform 2 through the connecting rods 52 at the two sides, so that the purpose of replacing the positioning disc 5 with different positioning holes 51 in size is realized.
Firstly, placing the end cover 7 and the end shaft 8 on a flat plate jig, firstly, performing spot welding pre-positioning, then placing the assembly of the end cover 7 and the end shaft 8 in the positioning hole 51 of the positioning disc 5, starting the rotary driving mechanism to drive the operation table 2 to rotate, performing circumferential welding operation on the contact area of the top surfaces of the end cover 7 and the end shaft 8 by an operator, stopping the rotary driving mechanism, turning over the assembly of the end cover 7 and the end shaft 8 by 180 degrees, inserting and installing the end shaft 8 on the supporting rod 4 to position, and starting the rotary driving mechanism again to drive the operation table 2 to rotate, and performing circumferential welding operation on the contact area of the bottom surfaces of the end cover 7 and the end shaft 8 by the operator.