CN217493241U - Auxiliary T-shaped welding positioner - Google Patents

Abstract

The utility model provides a T type welding auxiliary position changing machine, the on-line screen storage device comprises a base, driving motor, a speed reducer, the supporting disk, three-jaw chuck, zero-position calibration mechanism, the vertical setting up of speed reducer is inside the base up, the supporting disk sets up on the power take off dish of speed reducer, driving motor is used for driving the speed reducer and rotates, and driving motor is located the base, three-jaw chuck sets up on the supporting disk, zero-position calibration mechanism is including indicating the arrow head, the scale, the fixed setting in base upper portion one side of indicating the arrow head, the top of the directional base of indicating the arrow head, and the direction line of indication of indicating the arrow head and the axis of revolution of speed reducer are in same vertical plane, the scale sets up on the circumference lateral wall of supporting disk, and the axis of revolution of the zero groove of scale and supporting disk is in same vertical plane. Utilize this machine of shifting to realize the fixed back of bottom shaft, the welding work of bottom shaft can be carried out to this machine of shifting cooperation welding robot to realize base welding automation, improve base welding efficiency then.

Description

Auxiliary T-shaped welding positioner

Technical Field

The utility model relates to an automatic change welding technology field, especially relate to a supplementary machine of shifting of T type welding.

Background

At present, in the manufacturing factory of some excavators, still adopt the manual welding mode to weld to the welding process of excavator bottom shaft, when adopting manual welding, because of in welding process, the manual work needs intermittent type nature transform welding station position, leads to the unable strict assurance of welding quality of bottom shaft, and simultaneously, the welding intensity of labour who brings is also big for the manual work long-time welding, influences the welding process efficiency of bottom shaft then.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a machine of shifting is assisted in T type welding utilizes this machine of shifting to realize the fixed back of bottom shaft, and this machine of shifting can cooperate welding robot to carry out the weldment work of bottom shaft to realize base welding automation, improve base welding efficiency then.

The utility model provides a technical scheme that its technical problem adopted is: a T-shaped welding auxiliary positioner comprises a base, a driving motor, a speed reducer, a supporting plate, a three-jaw chuck and a zero position calibration mechanism, the speed reducer is vertically arranged in the base upwards, the supporting disc is arranged on a power output disc of the speed reducer, the supporting plate is positioned above the base, the driving motor is used for driving the speed reducer to rotate, the driving motor is positioned in the base, the three-jaw chuck is arranged on the supporting plate, the zero calibration mechanism comprises an indicating arrow and a scale, the indication arrow is fixedly arranged on one side of the upper part of the base, the indication arrow points to the upper part of the base, and the indicating direction line of the indicating arrow and the rotation axis of the speed reducer are in the same vertical plane, the scale is arranged on the circumferential outer side wall of the supporting disc, and a zero marking line of the scale and the rotary axis of the supporting disc are in the same vertical plane.

Preferably, be provided with two sets of electrically conductive mechanisms on the last dull and stereotyped of base, two sets of electrically conductive mechanisms distribute in the speed reducer both sides, each group electrically conductive mechanism all includes registration arm, stand pipe, terminal, the registration arm sets up in going up dull and stereotyped a through-hole, the stand pipe cover is put in the registration arm, and the stand pipe adopts bolted connection mode and is connected with last dull and stereotyped, the terminal cover is put in the stand pipe, a spring cover is put on the terminal, and through the spring to the pushing action of terminal for the upper portion of terminal all the time with the bottom of supporting disk is contacted.

Furthermore, a thread counter bore is arranged at the lower part of the binding post, and a line pressing bolt is arranged in the thread counter bore.

Preferably, the speed reducer is a high-precision speed reducer, and the driving motor is a stepping motor.

The utility model has the advantages that: the utility model has simple structure and convenient processing and manufacturing; the bottom shaft part can be fastened and clamped by the three-jaw chuck, the bottom shaft can rotate under the driving of the driving motor after being clamped and fixed by the three-jaw chuck, the rotating motion of the bottom shaft can realize the interpolation of the welding motion track of the welding robot, and then the welding robot is assisted to finish the welding processing of the bottom shaft, so that the welding efficiency of the bottom shaft can be improved; the calibration of the initial position of the support plate can be realized by utilizing the matching calibration function of the indication arrow and the scale, so that the accurate control of the motion track of the support plate can be ensured, and the accurate welding of the bottom shaft can be realized; utilize the spring to the impetus of terminal for the terminal contacts with supporting disk ground all the time, thereby ensures its circular telegram effect at the supporting disk rotation in-process, guarantees going on smoothly of welding process then.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the conductive mechanism;

FIG. 3 is an enlarged view of FIG. 1 at A;

in the figure: the device comprises a base 1, an upper flat plate 11, a speed reducer 2, a supporting plate 3, a three-jaw chuck 4, a positioning tube 51, a guide tube 52, a binding post 53, a thread counter bore 531, a line pressing bolt 532, a spring 54, a limit nut 55, an arrow mark 61 and a scale 62.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 3, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.

The utility model provides a T-shaped welding auxiliary positioner (as shown in figure 1), which comprises a base 1, a driving motor, a speed reducer 2, a supporting disk 3, a three-jaw chuck 4 and a zero position calibration mechanism, wherein the three-jaw chuck 4 is a common workpiece clamping part in the field, so that the detailed structure of the three-jaw chuck 4 is not described in detail; the speed reducer 2 is vertically arranged in the base 1 in an upward mode through a bolt connection mode, the supporting disc 3 is arranged on a power output disc of the speed reducer 2, the supporting disc 3 is located above the base 1, the driving motor is used for driving the speed reducer 2 to rotate, the driving motor is located in the base 1, the supporting disc 3 is free to rotate under the driving action of the driving motor on the speed reducer 2, the three-jaw chuck 4 is arranged on the supporting disc 3, when the supporting disc 3 and the three-jaw chuck 4 are installed, it is required to ensure that the rotation axes of the supporting disc 3 and the three-jaw chuck 4 are coaxial with the rotation axis of the speed reducer, the zero-position calibration mechanism comprises an indication arrow 61 and a scale 62, the indication arrow 61 is fixedly arranged on one side of the upper portion of the base 1, the indication arrow 61 points to the upper portion of the base 1, and the indication direction line of the indication arrow 61 and the rotation axis of the speed reducer 2 are in the same vertical plane, the scale 62 is arranged on the circumferential outer side wall of the support plate 3, and the zero-scribed line of the scale 62 and the rotation axis of the support plate 3 are in the same vertical plane. In practical application, utilize 4 centre gripping of three-jaw chuck to fix the end axle part after, the rotation through the end axle cooperatees with welding robot's welding orbit, accomplishes the whole welding procedure of end axle then, has realized the automatic welding of end axle, has improved end axle welding efficiency. After long-time use, for guaranteeing supporting disk 3's turned angle accuracy, so as to guarantee welding quality, here, can use zero-position calibration mechanism to realize supporting disk 3's initial position and mark, when carrying out the calibration, make the zero groove of scale 62 on the supporting disk 3 and the coincidence of the direction line of instruction arrow 61, after the coincidence, the position of supporting disk 3 at this moment is the initial control position for the controller affirmation, further, drive the optional step motor of supporting disk 3 pivoted driving motor so that further improve the rotation accuracy, and simultaneously, set up the speed reducer into high-precision speed reducer, so as to improve the operating stability.

In the process that the supporting disc 3 drives the bottom shaft to rotate continuously, in order to ensure the continuous power-on capability of the bottom shaft component so as to ensure the continuous welding of the component, two groups of conducting mechanisms are arranged on the upper flat plate 11 of the base 1, the two groups of conducting mechanisms are distributed on two sides of the speed reducer 2, each group of conducting mechanisms comprises a positioning tube 51, a guide tube 52 and a binding post 53, the positioning tube 51 is arranged in a through hole of the upper flat plate 11, the guide tube 52 is sleeved in the positioning tube 51, the guide tube 52 is connected with the upper flat plate 11 in a bolt connection mode, the binding post 53 is sleeved in the guide tube 52, a spring 54 is sleeved on the binding post 53, and the upper portion of the binding post 53 is always contacted with the bottom of the supporting disc 3 through the pushing effect of the spring 54 on the binding post 53, further, in order to realize the connection of the binding post 53 and a lead, here, a thread counterbore 531 is provided at the bottom of the terminal 53, and a crimping bolt 532 is provided in the thread counterbore 531, so that during wiring, the connecting end of the lead is sleeved on the crimping bolt 532, and after the crimping bolt 532 is screwed into the thread counterbore 531, the stable connection between the lead and the terminal 53 is realized.

In the present invention, "upper" and "lower" are relative positions used for convenience of describing the positional relationship, and therefore, cannot be interpreted as an absolute position as a limitation to the protection range.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.

Claims (4)

1. A T-shaped welding auxiliary positioner is characterized by comprising a base, a driving motor, a speed reducer, a supporting plate, a three-jaw chuck and a zero calibration mechanism, the speed reducer is vertically arranged in the base upwards, the supporting disc is arranged on a power output disc of the speed reducer, the supporting plate is positioned above the base, the driving motor is used for driving the speed reducer to rotate, the driving motor is positioned in the base, the three-jaw chuck is arranged on the supporting plate, the zero calibration mechanism comprises an indicating arrow and a scale, the indication arrow is fixedly arranged on one side of the upper part of the base, the indication arrow points to the upper part of the base, and the indicating direction line of the indicating arrow and the rotation axis of the speed reducer are in the same vertical plane, the scale is arranged on the circumferential outer side wall of the supporting disc, and a zero marking line of the scale and the rotary axis of the supporting disc are in the same vertical plane.

2. The T-shaped auxiliary positioner for welding according to claim 1, wherein two sets of electric conduction mechanisms are arranged on an upper flat plate of the base, the two sets of electric conduction mechanisms are distributed on two sides of the speed reducer, each set of electric conduction mechanism comprises a positioning tube, a guide tube and a binding post, the positioning tube is arranged in a through hole of the upper flat plate, the guide tube is sleeved in the positioning tube, the guide tube is connected with the upper flat plate in a bolt connection manner, the binding post is sleeved in the guide tube, a spring is sleeved on the binding post, and the upper portion of the binding post is always in contact with the bottom of the supporting plate through the pushing action of the spring on the binding post.

3. The auxiliary T-shaped welding positioner as claimed in claim 2, wherein a threaded counter bore is arranged at the lower part of the binding post, and a pressing bolt is arranged in the threaded counter bore.

4. The T-shaped welding auxiliary positioner as claimed in claim 1, wherein the speed reducer is a high-precision speed reducer, and the driving motor is a stepping motor.

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