Roller end cover double-face welding tool

Abstract

The utility model discloses a roller end cover double-face welding tool, which comprises a base, a rotating table, a square shaft, an operation table, a support rod, a positioning disc and a positioning pin, a rotating driving mechanism is fixedly arranged in the base, the rotating table is fixedly arranged at the execution end of the rotating driving mechanism, the square shaft is fixedly arranged at the bottom of the rotating table, and the operation table is fixedly arranged on the square shaft. The operation table is of a cylinder structure. The welding work can drive the assembly of the end cover and the end shaft to rotate automatically, an operator does not need to move to conduct circumferential welding operation on the contact area of the end cover and the end shaft, the advantage of being convenient to operate is achieved, and the welding operation efficiency can be improved. And meanwhile, the end cover and the end shaft can be positioned through the welding device, the stability during welding operation can be improved, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of roller production, especially designs a kind of double-sided welding tool of roller end cover. BACKGROUND

[0002] Roller is applied to printing, packaging, diaphragm, coating and other fields, when producing and processing roller, the contact surface of the end cover of roller and the two ends of end shaft is welded and fixed, and then the end cover is welded and fixed. Since the gravity of the end cover of roller and the end shaft is large, the operator needs to rotate his own position to weld the end cover of roller and the end shaft, which has the problem of low welding operation efficiency. At this time, since the end shaft is indeed supported and limited, when the end shaft is placed downward on the bottom surface of production workshop, it has the problems of poor stability and easy to tip over, which has certain safety production hidden danger. SUMMARY

[0003] The technical problem to be solved by the utility model is to improve a double-sided welding tool of roller end cover, which can automatically rotate the combination of the end cover of roller and the end shaft to improve welding operation efficiency and safety.

[0004] To solve the above technical problems, the present application is realized by the following technical scheme: a double-sided welding tool of roller end cover, comprising a base, a rotating table, a square shaft, an operation table, a support rod, a positioning disc and a positioning pin, the base is fixedly installed with a rotating drive mechanism, the rotating table is fixedly installed at the execution end of the rotating drive mechanism, the square shaft is fixedly installed at the bottom of the rotating table, the operation table is provided as a cylindrical structure, the operation table has a square hole at the center of the bottom, the square hole is sleeved and installed on the square shaft, the operation table has a circular hole at the center of the top, a threaded hole is formed at the center position of the circular hole, the positioning pin is provided with an external thread structure at the bottom, the positioning pin is screw-connected and installed in the threaded hole, the operation table is provided with the positioning pins in annular array around the central axis, the positioning disc is embeddedly installed in the positioning pin, the positioning disc is provided with a positioning hole coaxial with the circular hole, and the diameter of the positioning hole is larger than that of the circular hole.

[0005] Preferably, a nut is fixedly sleeved and installed on the support rod.

[0006] Preferably, the top surface of the support rod is provided as a spherical surface structure.

[0007] Preferably, the top of the positioning hole is provided as an inclined angle structure.

[0008] Preferably, the positioning disc is symmetrically and fixedly provided with a connecting rod on both sides.

[0009] Compared with the prior art, the welding work can drive the combination of the end cover and the end shaft to rotate automatically, the operator does not need to move the position to perform the circumferential welding operation on the contact area of the end cover and the end shaft, and the welding operation efficiency can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model is further explained in connection with the drawings below.

[0011] Figure 1 It is the structure schematic view for the utility model for welding the end shaft upward.

[0012] Figure 2 It is the structure schematic view for the utility model for welding the end shaft downward. DETAILED DESCRIPTION

[0013] The utility model is described in detail in connection with specific embodiments below:

[0014] As shown in Figure 1 and Figure 2 A kind of roller end cover double-sided welding tool, including base 1, rotating table 11, square shaft 12, operation table 2, support rod 4, positioning disc 5 and positioning pin 6, rotating drive mechanism is fixedly installed in the base 1, the rotating table 11 is fixedly installed at the execution end of rotating drive mechanism, the rotating drive mechanism is set as motor rotating drive mechanism, the square shaft is fixedly installed at rotating table 11 bottom, the operation table 2 is set as cylindrical structure, the operation table 2 bottom center has square hole, the square hole is sleeved and installed on square shaft 12, the operation table 2 top center has round hole, threaded hole is arranged at the center position of the round hole, the positioning pin 6 bottom is set as external thread structure, the positioning pin 6 bottom is screwed and installed in threaded hole, the operation table 2 is arranged positioning pin 6 with the axis as center and presents annular array, the pin hole of the positioning disc 5 bottom surface is embedded and installed in positioning pin 6, the positioning disc 5 is provided with positioning hole 51 coaxial with round hole, the diameter size of positioning hole 51 is greater than the diameter size of round hole.

[0015] Nut 41 is fixedly sleeved and installed on the support rod 4, sleeve tool is sleeved into nut 41, the combination of nut 41 and support rod 4 is rotated to facilitate replacing support rod 4 of different diameter sizes, and nut 41 is provided with inner hexagonal hole matched with nut 41.

[0016] The top surface of the support rod 4 is set as spherical surface structure, so that the end shaft 8 is easily sleeved and installed on the support rod 4, and the positioning function is realized.

[0017] The top of the positioning hole 51 is provided with an inclined angle structure, so as to guide the end cover 7 when embedded in the positioning hole 51.

[0018] The positioning disc 5 is symmetrically and fixedly provided with connecting rods 52 on both sides, so as to separate the positioning disc 5 from the operation table 2, and to replace the positioning disc 5 with different sizes of positioning holes 51.

[0019] First, the end cover 7 and the end shaft 8 are placed on the flat jig for spot welding and pre-positioning, then the combination of the end cover 7 and the end shaft 8 is placed in the positioning hole 51 of the positioning disc 5, the rotating drive mechanism is started to drive the operation table 2 to rotate, the operator performs circumferential welding work on the top surface contact area of the end cover 7 and the end shaft 8, the rotating drive mechanism is stopped, the combination of the end cover 7 and the end shaft 8 is turned over by 180°, the end shaft 8 is inserted and installed on the supporting rod 4 for positioning, the rotating drive mechanism is started again to drive the operation table 2 to rotate, and the operator performs circumferential welding work on the bottom surface contact area of the end cover 7 and the end shaft 8.

Claims

1. A double-sided welding fixture for roller end caps, characterized in that: Includes a base (1), a rotating platform (11), a square shaft (12), an operating table (2), a support rod (4), a positioning plate (5), and a positioning pin (6). A rotary drive mechanism is fixedly installed inside the base (1). The rotating platform (11) is fixedly installed at the execution end of the rotary drive mechanism. The square shaft is fixedly installed at the bottom of the rotating platform (11). The operating table (2) is a cylindrical structure with a square hole at the center of its bottom. The square hole is fitted onto the square shaft (12). 2) A circular hole is located at the center of the top, and a threaded hole is provided at the center of the circular hole. The bottom of the positioning pin (6) is set with an external thread structure. The bottom of the positioning pin (6) is screwed into the threaded hole. The operating table (2) is arranged in a circular array with its central axis as the center. The pin hole on the bottom surface of the positioning disk (5) is embedded in the positioning pin (6). The positioning disk (5) is provided with a positioning hole (51) coaxial with the circular hole. The diameter of the positioning hole (51) is larger than the diameter of the circular hole.

2. The double-sided welding fixture for the roller end cap according to claim 1, characterized in that: A nut (41) is fixedly sleeved on the support rod (4).

3. The double-sided welding fixture for the roller end cap according to claim 1, characterized in that: The top surface of the support rod (4) is configured as a spherical structure.

4. The double-sided welding fixture for the roller end cap according to claim 1, characterized in that: The top of the positioning hole (51) is set with an angled structure.

5. The double-sided welding fixture for the roller end cap according to claim 1, characterized in that: The positioning disk (5) has connecting rods (52) fixedly installed on both sides symmetrically.

Images