A kind of automatic ring welding equipment for supporting wheels

Abstract

The utility model relates to an automatic ring weld welding device for supporting rollers, and belongs to the technical field of supporting roller production. It comprises a mounting stand and a reduction motor whose output spindle is driven by a cylinder to telescopically move, the reduction motor is mounted on the upper surface of the mounting stand, and a clamping fixture for clamping and fixing the supporting roller is arranged on the output spindle of the reduction motor, and a welding gun lifting and translation mechanism for adjusting the working position of the welding gun is installed on the mounting stand on one side of the clamping fixture. The utility model has the following beneficial effects: two groups of supporting roller halves are assembled and fixed by using the clamping fixture, the welding gun lifting and translation mechanism controls the welding gun to approach the welding area between the two groups of supporting roller halves, and then controls the output spindle to drive the clamping fixture to rotate, the supporting roller to be welded rotates with the clamping fixture, and the welding gun welds the butt weld between the two groups of supporting roller halves, thereby realizing automatic welding of the supporting roller ring weld, and improving the processing efficiency and the qualified rate of the finished product.

Description

Technical Field

[0001] The utility model relates to a kind of automatic ring weld welding equipment for a track wheel, belonging to the technical field of track wheel production. Background Art

[0002] Track rollers are an important part of the traveling device of hydraulic engineering machinery and are widely used in hydraulic excavators, pavers, scrapers and bulldozers. The main function of track rollers is to support the entire machine and load. In crawler machinery, track rollers used to support the overall weight of the equipment are particularly important. Track rollers are usually formed by welding two symmetrical half-wheel bodies on the left and right. Therefore, the welding quality of track rollers is particularly important.

[0003] After searching, the patent number CN202322461783.0 discloses an automatic welding tool for supporting rollers. It includes a first tool chuck, a second tool chuck and a tool mandrel, the first tool chuck and the second tool chuck are symmetrically arranged, and the tool mandrel is arranged between the first tool chuck and the second tool chuck. The utility model increases the coaxiality of the tool mandrel and the supporting roller by using a longer shaft rod; the utility model increases the contact plane between the tool mandrel and the supporting roller by using a "T"-shaped structure, so that the supporting roller does not move during welding and fits more tightly.

[0004] Although the above patent can realize the auxiliary clamping function of the automatic welding of the supporting wheels, the current technical considerations are not comprehensive and have the following disadvantages: the welding operation of the supporting wheels requires workers to hold the welding gun for welding, and the supporting wheels need to be rotated during the welding process, resulting in cumbersome welding operations, high labor intensity for workers, low production efficiency, and difficulty in ensuring welding quality.

[0005] In order to solve one of the above problems, a kind of automatic ring weld welding equipment of supporting wheel is urgently needed. Utility Model Content

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: how to control the output spindle to drive the clamping tooling to rotate, the supporting roller to be welded rotates with the clamping tooling, the welding gun welds the butt welds between the two groups of supporting roller halves, and realizes the automatic welding of the supporting roller ring weld. For this purpose, an automatic ring weld welding device for supporting rollers is provided.

[0007] The automatic ring weld welding equipment for supporting rollers described in the utility model includes a mounting stand and a reduction motor whose output spindle is driven by a cylinder to telescope and move. The characteristic is that the reduction motor is mounted on the upper surface of the mounting stand, and a clamping tool for clamping and fixing the supporting roller is provided on the output spindle of the reduction motor. A welding gun lifting and translation mechanism for adjusting the working position of the welding gun is installed on the mounting stand on one side of the clamping tool.

[0008] The track wheel to be processed is composed of two symmetrical track wheel halves, and the two symmetrical track wheel halves need to be welded to form a finished track wheel product.

[0009] Preferably, the clamping tooling includes a fixed sleeve, a transition adjustment sleeve, a left positioning sleeve, and a right positioning sleeve which are sequentially sleeved on the output main shaft from left to right, and the outer side of the fixed sleeve is provided with a fixed disc, and the fixed disc is fixed to the outer wall of the reduction motor through a first connecting rod, and a connecting disc is provided at the left end of the fixed sleeve, and the connecting disc is fixedly connected to the fixed disc through a second connecting rod, and a stop plate is detachably installed on the outer end of the output main shaft.

[0010] By controlling the extension of the cylinder, the output spindle is driven to the right. First, the stop plate is removed, and then the right positioning sleeve is removed. Then, the two sets of roller halves are sleeved on the output spindle, and then the right positioning sleeve is sleeved, and the stop plate is installed.

[0011] The engine cylinder can also be controlled to shorten, driving the output spindle and the stop plate to move left, thereby compressing the gaps between the fixed sleeve and the transition adjustment sleeve, between the transition adjustment sleeve and the left locating sleeve, between the supporting roller half and the left locating sleeve, between the two groups of supporting roller half bodies, and between the supporting roller half body and the right locating sleeve, thereby confining the two groups of supporting roller half bodies between the left locating sleeve and the right locating sleeve.

[0012] Then, the output spindle is driven to rotate by the reduction motor, and the output spindle rotates relative to the fixed sleeve, and the transition gap adjustment sleeve, the left positioning sleeve, the supporting roller to be welded, the right positioning sleeve, and the stop plate all rotate with the output spindle.

[0013] The fixed disc is used to connect to the grounding wire of the welding machine to ensure the grounding effect.

[0014] Preferably, the fixed disc, fixed sleeve and connecting disc are all coaxially arranged, the first connecting rod is a screw rod, one end of the first connecting rod is detachably connected to the screw hole on the reduction motor, the other end of the first connecting rod passes through the fixed disc and is connected to the fixed disc through two sets of nuts A on the first connecting rod.

[0015] Preferably, the second connecting rod is a bolt, which is connected to the connecting plate through a corresponding nut B.

[0016] Preferably, multiple groups of first connecting rods are arranged around the center line of the output main shaft and the angles between adjacent ones are equal; and multiple groups of second connecting rods are arranged around the center line of the output main shaft and the angles between adjacent ones are equal.

[0017] Preferably, the reduction motor is a hollow shaft reduction motor, one end of the output spindle passes through the hollow output shaft in the reduction motor and is rotatably connected to the telescopic end of the cylinder, the cylinder is fixed to the housing of the reduction motor through a third connecting rod, the hollow output shaft is a spline sleeve output shaft, the hollow output shaft is connected to the output spindle through internal and external splines, and the hollow output shaft and the output spindle can slide relative to each other in the axial direction. This is an existing technology that ensures that the hollow output shaft and the output spindle can slide relative to each other in the axial direction, and controls the output spindle to rotate forward or reverse.

[0018] Preferably, a thrust bearing seat is installed at the telescopic end of the cylinder, and a thrust bearing matching the thrust bearing seat is installed at the end of the output spindle, so that one end of the output spindle is rotatably connected to the telescopic end of the cylinder, and the output spindle can rotate relative to the telescopic rod of the cylinder. At the same time, the telescopic rod of the cylinder can also push and pull the output spindle to produce reciprocating motion.

[0019] Preferably, the two ends of the transition gap adjustment sleeve are respectively in contact with the end faces of the fixed sleeve and the left positioning sleeve, and the friction between the transition gap adjustment sleeve and the fixed sleeve is smaller than the friction between the transition gap adjustment sleeve and the left positioning sleeve, so as to ensure that when the output spindle rotates, the transition gap adjustment sleeve rotates relative to the fixed sleeve, and the transition gap adjustment sleeve, the left positioning sleeve, and the right positioning sleeve rotate with the output spindle.

[0020] Preferably, the welding gun lifting and translation mechanism includes a cross slide that controls the lifting and displacement of the welding gun along the length direction of the output spindle, including a longitudinal electric screw slide fixedly connected to the mounting frame and a transverse electric screw slide connected to the longitudinal electric screw slide, and a welding gun is mounted on the slide plate of the transverse electric screw slide.

[0021] Preferably, the longitudinal electric lead screw slide controls the lifting and lowering of the transverse electric lead screw slide, and the transverse electric lead screw slide controls the reciprocating motion of the welding gun along the length direction of the output spindle.

[0022] Preferably, the welding gun is mounted on the slide plate of the transverse electric lead screw slide via a welding gun fine-tuning bracket.

[0023] Preferably, the left locating sleeve and the right locating sleeve are symmetrically arranged, and a stepped platform cooperating with the supporting roller to be processed is arranged at one end of the left locating sleeve and the right locating sleeve close to the supporting roller to be processed.

[0024] Preferably, the welding gun is connected to an electric welding machine.

[0025] Preferably, a notch is formed on the stop plate, and a stepped shaft section matching the notch is provided on the output spindle. The stop plate cooperates with the stepped shaft section to limit the displacement of the stop plate along the length direction of the output spindle, so as to facilitate quick installation or separation from the output spindle.

[0026] Compared with the prior art, the utility model has the following beneficial effects:

[0027] The utility model discloses an automatic ring weld seam welding device for supporting rollers, in which two groups of supporting roller halves are assembled and fixed by means of a clamping fixture, a welding gun lifting and translation mechanism controls the welding gun to approach the welding area between the two groups of supporting roller halves, and then controls the output spindle to drive the clamping fixture to rotate, the supporting roller to be welded rotates with the clamping fixture, and the welding gun welds the butt weld between the two groups of supporting roller halves, thereby realizing automatic welding of the ring weld of the supporting roller and improving the processing efficiency and the qualified rate of the finished product.

[0028] The utility model discloses an automatic ring weld welding device for supporting wheels, wherein the outer side of the fixed sleeve is provided with a fixed disc, and the fixed disc is fixed to the outer wall of the reduction motor through a first connecting rod, and a connecting disc is provided at the left end of the fixed sleeve, and the connecting disc is fixedly connected to the fixed disc through a second connecting rod, and the fixed disc is used to be connected to the grounding wire of the welding machine to ensure the grounding effect.

[0029] The automatic ring weld seam welding equipment for supporting rollers described in the utility model controls the machine cylinder to shorten, drives the output main shaft to move leftward, and the stop plate to move leftward, thereby confining the two groups of supporting roller halves between the left positioning sleeve and the right positioning sleeve, thereby realizing automatic clamping and positioning of the supporting rollers, and facilitating subsequent welding operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0031] Figure 1 It is a structural schematic diagram of the utility model;

[0032] Figure 2 It is a schematic diagram of the structure of the supporting wheel of the utility model;

[0033] Figure 3 It is a schematic diagram of the structure of the stop plate of the utility model;

[0034] In the figure: 1, mounting stand 2, cylinder 3, reduction motor 4, welding gun 5, welding gun lifting and translation mechanism 6, output spindle 7, fixed disc 8, fixed sleeve 9, connecting disc 10, transition gap adjustment sleeve 11, left positioning sleeve 12, right positioning sleeve 13, stop plate 14, first connecting rod 15, second connecting rod 16, step platform 17, supporting roller. DETAILED DESCRIPTION

[0035] The utility model is further described below in conjunction with the accompanying drawings: The utility model is further illustrated below through specific embodiments, but is not intended to limit the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the invention should be included in the protection scope of the utility model.

[0036] Embodiment 1, as Figure 1-2 As shown, the automatic ring weld welding equipment for supporting rollers includes a mounting stand 1 and a reduction motor 3 whose output spindle is driven by a cylinder 2 to telescope and move. The reduction motor 3 is mounted on the upper surface of the mounting stand 1. The output spindle 6 of the reduction motor 3 is provided with a clamping tool for clamping and fixing the supporting roller. A welding gun lifting and translation mechanism 5 for adjusting the working position of the welding gun 4 is installed on the mounting stand 1 on one side of the clamping tool.

[0037] The track roller 17 to be processed is composed of two symmetrical track roller halves, and the two symmetrical track roller halves need to be welded to form a finished track roller product.

[0038] The two groups of supporting roller halves are assembled and fixed by means of a clamping fixture. The welding gun lifting and translation mechanism 5 controls the welding gun 4 to approach the welding area between the two groups of supporting roller halves, and then controls the output spindle 6 to drive the clamping fixture to rotate. The supporting roller to be welded rotates with the clamping fixture, and the welding gun 4 welds the butt weld between the two groups of supporting roller halves, thereby realizing automatic welding of the supporting roller ring weld.

[0039] Embodiment 2, as Figure 1-2 As shown, the automatic ring weld welding equipment for supporting rollers includes a mounting stand 1 and a reduction motor 3 whose output spindle is driven by a cylinder 2 to telescope and move. The reduction motor 3 is mounted on the upper surface of the mounting stand 1. The output spindle 6 of the reduction motor 3 is provided with a clamping tool for clamping and fixing the supporting roller. A welding gun lifting and translation mechanism 5 for adjusting the working position of the welding gun 4 is installed on the mounting stand 1 on one side of the clamping tool.

[0040] Furthermore, the clamping tooling includes a fixed sleeve 8, a transition adjustment sleeve 10, a left positioning sleeve 11, and a right positioning sleeve 12, which are sequentially sleeved on the output main shaft 6 from left to right. The outer side of the fixed sleeve 8 is sleeved with a fixed disc 7, and the fixed disc 7 is fixed to the outer wall of the reduction motor 3 through a first connecting rod 14. A connecting disc 9 is provided at the left end of the fixed sleeve 8, and the connecting disc 9 is fixedly connected to the fixed disc 7 through a second connecting rod 15. The outer end of the output main shaft 6 is detachably installed with a stop plate 13.

[0041] By controlling the cylinder 2 to extend, the output spindle 6 is driven to move right, the stop plate 13 is first removed, and then the right positioning sleeve 12 is removed, and then the two sets of supporting roller halves are sleeved on the output spindle 6, and then the right positioning sleeve 12 is sleeved, and the stop plate 13 is installed; the engine cylinder 2 can also be controlled to shorten, the output spindle 6 is driven to move left, and the stop plate 13 moves left, compressing the gaps between the fixed sleeve 8 and the transition adjustment sleeve 10, between the transition adjustment sleeve 10 and the left positioning sleeve 11, between the supporting roller half and the left positioning sleeve 11, between the two sets of supporting roller halves, and between the supporting roller half and the right positioning sleeve 12, so that the two sets of supporting roller halves are confined between the left positioning sleeve 11 and the right positioning sleeve 12.

[0042] Then, the output spindle 6 is driven to rotate by the reduction motor 3, and the output spindle 6 rotates relative to the fixed sleeve 8, and the transition gap adjustment sleeve 10, the left positioning sleeve 11, the supporting roller to be welded, the right positioning sleeve 12, and the stop plate 13 all rotate with the output spindle 6.

[0043] The fixed disc 7 is used to be connected to the grounding wire of the welding machine. The special design of the fixed disc 7 ensures the grounding effect.

[0044] Furthermore, the fixed disc 7, the fixed sleeve 8, and the connecting disc 9 are all coaxially arranged, the first connecting rod 14 is a screw rod, one end of the first connecting rod 14 is detachably connected to the screw hole on the reduction motor 3, and the other end of the first connecting rod 14 passes through the fixed disc 7 and is connected to the fixed disc 7 through two sets of nuts A on the first connecting rod 14.

[0045] Furthermore, the second connecting rod 15 is a bolt, which is connected to the connecting plate 9 through a corresponding nut B.

[0046] Furthermore, a plurality of first connecting rods 14 are arranged around the center line of the output spindle 6 and the angles between two adjacent ones are equal; and a plurality of second connecting rods 15 are arranged around the center line of the output spindle 6 and the angles between two adjacent ones are equal.

[0047] Further, the reduction motor 3 is a hollow shaft reduction motor, one end of the output spindle 6 penetrates the hollow output shaft in the reduction motor 3 and is rotatably connected to the telescopic end of the cylinder 2, the cylinder 2 is fixed to the housing of the reduction motor 3 through a third connecting rod, the hollow output shaft is a spline sleeve output shaft, the hollow output shaft is connected to the output spindle 6 through internal and external splines, and the hollow output shaft and the output spindle 6 can slide relative to each other in the axial direction. This is an existing technology, which ensures that the hollow output shaft and the output spindle 6 can slide relative to each other in the axial direction, and controls the output spindle 6 to rotate forward or reversely.

[0048] Furthermore, a thrust bearing seat is installed at the telescopic end of the cylinder 2, and a thrust bearing matching the thrust bearing seat is installed at the end of the output spindle 6, so that one end of the output spindle 6 is rotatably connected to the telescopic end of the cylinder 2, and the output spindle 6 can rotate relative to the telescopic rod of the cylinder 2. At the same time, the telescopic rod of the cylinder 2 can also push and pull the output spindle 6 to produce reciprocating motion.

[0049] Furthermore, the two ends of the transition gap adjustment sleeve 10 are respectively in contact with the end faces of the fixed sleeve 8 and the left positioning sleeve 11, and the friction between the transition gap adjustment sleeve 10 and the fixed sleeve 8 is smaller than the friction between the transition gap adjustment sleeve 10 and the left positioning sleeve 11. It is ensured that when the output spindle 6 rotates, the transition gap adjustment sleeve 10 rotates relative to the fixed sleeve 8, and the transition gap adjustment sleeve 10, the left positioning sleeve 11, and the right positioning sleeve 12 rotate with the output spindle 6.

[0050] Furthermore, the welding gun lifting and translation mechanism 5 includes a cross slide that controls the lifting and lowering of the welding gun 4 and the displacement along the length direction of the output spindle 6. It is a prior art and includes a longitudinal electric screw slide fixedly connected to the mounting frame 1 and a transverse electric screw slide connected to the longitudinal electric screw slide. The welding gun 4 is installed on the slide plate of the transverse electric screw slide.

[0051] The longitudinal electric lead screw slide controls the lifting and lowering of the transverse electric lead screw slide, and the transverse electric lead screw slide controls the reciprocating motion of the welding gun 4 along the length direction of the output spindle 6.

[0052] Furthermore, the welding gun 4 is mounted on the slide plate of the transverse electric lead screw slide via a welding gun fine-tuning bracket.

[0053] Furthermore, the left locating sleeve 11 and the right locating sleeve 12 are symmetrically arranged, and a stepped platform 16 cooperating with the supporting roller to be processed is arranged at one end of the left locating sleeve 11 and the right locating sleeve 12 close to the supporting roller to be processed.

[0054] Furthermore, the welding gun 4 is connected to an electric welding machine.

[0055] Further, refer to Figure 3 The stop plate 13 is a disc with a notch. The output spindle 6 is provided with a stepped shaft section matching the notch. The stop plate 13 cooperates with the stepped shaft section to limit the displacement of the stop plate 13 along the length direction of the output spindle 6, so as to facilitate quick installation or separation from the output spindle 6.

[0056] The utility model discloses an automatic ring weld seam welding device for supporting rollers, in which two groups of supporting roller halves are assembled and fixed by means of a clamping fixture, a welding gun lifting and translation mechanism controls the welding gun to approach the welding area between the two groups of supporting roller halves, and then controls the output spindle to drive the clamping fixture to rotate, the supporting roller to be welded rotates with the clamping fixture, and the welding gun welds the butt weld between the two groups of supporting roller halves, thereby realizing automatic welding of the ring weld of the supporting roller and improving the processing efficiency and the qualified rate of the finished product.

[0057] The utility model discloses an automatic ring weld welding device for supporting wheels, wherein the outer side of the fixed sleeve is provided with a fixed disc, and the fixed disc is fixed to the outer wall of the reduction motor through a first connecting rod, and a connecting disc is provided at the left end of the fixed sleeve, and the connecting disc is fixedly connected to the fixed disc through a second connecting rod, and the fixed disc is used to be connected to the grounding wire of the welding machine to ensure the grounding effect.

[0058] The automatic ring weld seam welding equipment for supporting rollers described in the utility model controls the machine cylinder to shorten, drives the output main shaft to move leftward, and the stop plate to move leftward, thereby confining the two groups of supporting roller halves between the left positioning sleeve and the right positioning sleeve, thereby realizing automatic clamping and positioning of the supporting rollers, and facilitating subsequent welding operations.

[0059] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the present utility model is defined by the attached claims and their equivalents.

[0060] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. An automatic ring weld welding device for a supporting wheel, comprising a mounting stand and a reduction motor driven by a cylinder to telescopically move the output spindle, characterized in that: The reduction motor is installed on the upper surface of the mounting stand, and a clamping tool for clamping and fixing the supporting roller is arranged on the output spindle of the reduction motor. A welding gun lifting and translation mechanism for adjusting the working position of the welding gun is installed on the mounting stand on one side of the clamping tool.

2. The automatic ring weld welding equipment for supporting wheels according to claim 1 is characterized in that: The clamping tooling includes a fixed sleeve, a transition adjustment sleeve, a left positioning sleeve, and a right positioning sleeve which are sequentially sleeved on the output main shaft from left to right. The outer side of the fixed sleeve is provided with a fixed disc, and the fixed disc is fixed to the outer wall of the reduction motor through a first connecting rod. A connecting disc is provided at the left end of the fixed sleeve, and the connecting disc is fixedly connected to the fixed disc through a second connecting rod. A stop plate is detachably installed on the outer end of the output main shaft.

3. The automatic ring weld welding equipment for supporting wheels according to claim 2 is characterized in that: The fixed disc, fixed sleeve and connecting disc are all coaxially arranged. The first connecting rod is a screw rod. One end of the first connecting rod is detachably connected to the screw hole on the reduction motor. The other end of the first connecting rod passes through the fixed disc and is connected to the fixed disc through two sets of nuts A on the first connecting rod.

4. The automatic ring weld welding equipment for supporting wheels according to claim 3 is characterized in that: The reduction motor is a hollow shaft reduction motor, one end of the output spindle passes through the hollow output shaft in the reduction motor and is rotatably connected to the telescopic end of the cylinder, the cylinder is fixed to the outer shell of the reduction motor through a third connecting rod, the hollow output shaft is a spline sleeve output shaft, the hollow output shaft and the output spindle are connected through internal and external splines, and the hollow output shaft and the output spindle can slide relative to each other axially.

5. The automatic ring weld welding equipment for supporting wheels according to claim 4 is characterized in that: The welding gun lifting and translation mechanism includes a cross slide that controls the lifting and displacement of the welding gun along the length direction of the output spindle, including a longitudinal electric lead screw slide fixedly connected to the mounting frame and a transverse electric lead screw slide connected to the longitudinal electric lead screw slide, and a welding gun is installed on the slide plate of the transverse electric lead screw slide.

6. The automatic ring weld welding equipment for supporting wheels according to claim 5 is characterized in that: The left locating sleeve and the right locating sleeve are symmetrically arranged, and one end of the left locating sleeve and the right locating sleeve close to the supporting roller to be processed is provided with a stepped platform matched with the supporting roller to be processed.

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