CN218426463U - Pipe fitting welding machine - Google Patents
Pipe fitting welding machine Download PDFInfo
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- CN218426463U CN218426463U CN202222361485.XU CN202222361485U CN218426463U CN 218426463 U CN218426463 U CN 218426463U CN 202222361485 U CN202222361485 U CN 202222361485U CN 218426463 U CN218426463 U CN 218426463U
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Abstract
The utility model provides a pipe welding machine, which relates to the field of pipe welding.A hollow main shaft of the pipe welding machine is driven by a main shaft rotation driving mechanism to drive a workpiece to be welded to rotate, and a guide core is driven by a core shaft translation telescopic mechanism to horizontally extend and slide; the axes of the guide core and the telescopic mandrel are hollow shafts, and the hollow shafts of the guide core and the telescopic mandrel are connected to form a welding air passage for inert gas to enter the workpiece to be welded. The welding device is characterized in that the extension length of the guide core can be changed according to the change of a workpiece A to be welded and a workpiece B to be welded, the guide core can be automatically retracted when welding is carried out, the end part of the guide core is away from the position of a welding seam, the workpiece to be welded is fixed by the conical guide sleeve, and inert gas is injected into the workpiece to be welded through the welding air channel by an inert gas source, so that the welding seam is isolated from air, and the welding quality is improved. During welding, the welding gun is fixed, the workpiece to be welded moves around the welding gun to complete welding, and during precise welding, the welding gun avoids fine shaking generated during movement from affecting the welding quality.
Description
Technical Field
The utility model belongs to the technical field of automated mechanical equipment technique and specifically relates to a pipe fitting welding machine that direction core can motor-driven adjustment.
Background
When pipe fittings are machined, a pipe fitting welding machine is often used for girth welding, such as welding between two pipe fittings, and welding between a pipe fitting and a threaded pipe or nut pipe. The existing pipe welding machine needs to firstly use a special pipe welding machine to fix the position of a workpiece to be welded, namely, the workpiece A to be welded and the workpiece B to be welded are in butt joint to form a welding seam. In addition, the structure is that the workpiece is fixed, the welding gun moves around the workpiece to complete welding, and in the precision welding process, the welding gun is a precision tool, and fine vibration generated in the movement process can reduce the welding quality. In addition, inert gas for isolating welding seam air needs to be injected from the outer end part of the workpiece to be welded, so that the feeding and discharging operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the above-mentioned technical problem that current pipe fitting welding machine exists provides a pipe fitting welding machine that direction core can motor-driven adjustment, and the technical scheme of adoption is as follows:
a pipe welding machine comprises a case, a tool mechanism and a main shaft rotation driving mechanism, wherein the tool mechanism and the main shaft rotation driving mechanism are arranged on the case; the tooling mechanism is characterized by comprising a main shaft sleeve, a hollow main shaft and a main bearing, wherein the main shaft sleeve is horizontally fixed on a case, the hollow main shaft penetrates through the main shaft sleeve, and two ends of a main body of the hollow main shaft are rotatably arranged in the main shaft sleeve through the main bearing; the front end of the hollow main shaft is provided with a conical guide sleeve, a guide core for fixing a workpiece to be welded is arranged in the conical guide sleeve, the guide core can horizontally slide in the conical guide sleeve in the axial direction, and the front end part of the guide core extends out of the front end of the conical guide sleeve; the main shaft rotation driving mechanism comprises a stepping motor, a driving synchronous wheel and a driven synchronous wheel, the stepping motor is horizontally fixed on the case, the driven synchronous wheel is sleeved on the rear portion of the hollow main shaft exposed out of the tail end of the main shaft sleeve, the driving synchronous wheel is sleeved on an output shaft of the stepping motor, and the driving synchronous wheel is located below the driven synchronous wheel and is in transmission connection with the driven synchronous wheel.
Furthermore, the machine case comprises a driving machine case and a main shaft machine case, the driving machine case is hung on the left lower side of the main shaft machine case, the stepping motor is horizontally fixed on the driving machine case, and the tooling mechanism is arranged on the main shaft machine case.
Further, the tool mechanism further comprises a telescopic mandrel, the head and the tail of the telescopic mandrel are slidably arranged in the hollow main shaft through a linear bearing, the tail of the telescopic mandrel is exposed out of the tail end of the hollow main shaft, and the head end of the telescopic mandrel is connected with the tail end of the guide core; the spindle translation telescopic mechanism for driving the telescopic spindle to horizontally slide is arranged on the spindle case.
Further, the mandrel translation and expansion mechanism comprises a mandrel expansion cylinder and a mandrel translation linkage plate; the mandrel telescopic cylinder is arranged above the driven synchronizing wheel, the mandrel translation linkage plate is arranged on the outer side of the driven synchronizing wheel, the tail end of the telescopic mandrel is fixed at the lower end of the mandrel translation linkage plate through a mandrel bearing, and a cylinder rod of the mandrel telescopic cylinder is connected to the upper end of the mandrel translation linkage plate; the tail part of the mandrel telescopic cylinder is fixed on the outer side of the main shaft case.
Furthermore, the axes of the guide core and the telescopic mandrel are hollow shafts, and the hollow shafts of the guide core and the telescopic mandrel are connected to form a welding air passage for inert gas to enter the interior of the workpiece to be welded.
From the above, for prior art, the utility model discloses still have following advantage: the guide core can change according to the change of a workpiece A to be welded and a workpiece B to be welded, when welding is carried out, the guide core can automatically retract, the end of the guide core is away from the position of a welding line, the workpiece to be welded is fixed by the conical guide sleeve, and an inert gas source injects inert gas into the workpiece to be welded through a welding gas channel, so that the welding line is isolated from air, and the welding quality is improved. During welding, the welding gun is fixed, the workpiece to be welded moves around the welding gun to complete welding, and during precise welding, the welding gun avoids fine shaking generated during movement from affecting the welding quality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention, and do not constitute a limitation on the invention, in which:
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
FIG. 4 is a perspective view of FIG. 1;
fig. 5 is an exploded view of fig. 4.
Description of reference numerals: 1-a case, 2-a tooling mechanism, 3-a mandrel translation telescopic mechanism, 4-a spindle rotation driving mechanism and 5-a welding air channel; 11-drive chassis, 12-spindle chassis; 21-guide core, 22-conical guide sleeve, 23-telescopic mandrel, 24-linear bearing, 25-hollow main shaft, 26-main shaft sleeve, 27-main bearing and 28-core bearing; 31-mandrel telescopic cylinder, 32-mandrel translation linkage plate; 41-stepping motor, 42-driving synchronizing wheel and 43-driven synchronizing wheel.
Detailed Description
The present invention and its advantageous technical effects are further described in detail below with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 5, the pipe welding machine of the present invention comprises a machine case 1, a tooling mechanism 2 and a spindle rotation driving mechanism 4, both of which are disposed on the machine case 1; the tooling mechanism 2 comprises a main shaft sleeve 26, a hollow main shaft 25 and a main bearing 27, wherein the main shaft sleeve 26 is horizontally fixed on the case 1, the hollow main shaft 25 penetrates through the main shaft sleeve 26, and two ends of a main body of the hollow main shaft are rotatably arranged in the main shaft sleeve 26 through the main bearing 27; the front end of the hollow main shaft 25 is provided with a conical guide sleeve 22, a guide core 21 for fixing a workpiece to be welded is arranged in the conical guide sleeve 22, the guide core 21 can horizontally slide axially in the conical guide sleeve 22, and the front end part of the guide core 21 extends out of the front end of the conical guide sleeve 22; the spindle rotation driving mechanism 4 comprises a stepping motor 41, a driving synchronizing wheel 42 and a driven synchronizing wheel 43, the stepping motor 41 is horizontally fixed on the case 1, the driven synchronizing wheel 43 is sleeved on the rear part of the hollow spindle 25 exposed from the tail end of the spindle sleeve 26, the driving synchronizing wheel 42 is sleeved on an output shaft of the stepping motor 41, and the driving synchronizing wheel 42 is positioned below the driven synchronizing wheel 43 and is in transmission connection with the driven synchronizing wheel 43. Under the drive of the main shaft rotation driving mechanism 4, the hollow main shaft 25 can drive the workpiece A to be welded and the workpiece B to be welded to rotate, at the moment, a welding gun only needs to be fixed beside a welding seam of the workpiece A to be welded and the workpiece B to be welded, and the welding gun does not need to rotate around the workpiece to be welded.
Referring to fig. 3 to 5, preferably, the case 1 includes a drive case 11 and a spindle case 12, the drive case 11 is suspended at the left lower side of the spindle case 12, the stepping motor 41 is horizontally fixed on the drive case 11, and the tooling mechanism 2 is on the spindle case 12.
Referring to fig. 3 to 5, preferably, the tooling mechanism 2 further includes a telescopic mandrel 23, the head and the tail of the telescopic mandrel 23 are slidably disposed in the hollow main shaft 25 through a linear bearing 24, the tail of the telescopic mandrel 23 is exposed from the tail of the hollow main shaft 25, and the head of the telescopic mandrel 23 is connected with the tail of the guide core 21; the spindle case 12 is provided with a spindle translation telescopic mechanism 3 for driving the telescopic spindle 23 to horizontally slide.
Referring to fig. 3-5, preferably, the mandrel translation and expansion mechanism 3 comprises a mandrel expansion cylinder 31 and a mandrel translation linkage plate 32; the mandrel telescopic cylinder 31 is arranged above the driven synchronizing wheel 43, the mandrel translation linkage plate 32 is arranged on the outer side of the driven synchronizing wheel 43, the tail end of the telescopic mandrel 23 is fixed at the lower end of the mandrel translation linkage plate 32 through a mandrel bearing 28, and a cylinder rod of the mandrel telescopic cylinder 31 is connected to the upper end of the mandrel translation linkage plate 32; the tail part of the mandrel telescopic cylinder 31 is fixed on the outer side of the main shaft case 12. Under the drive of the mandrel translation telescopic mechanism 3, the telescopic mandrel 23 can horizontally slide in the hollow main shaft 25 to drive the guide core 21 to horizontally slide together, so that the telescopic adjustment of the guide core 21 is realized, and the use is more flexible and convenient.
Referring to fig. 3 to 5, preferably, the axes of the guide core 21 and the telescopic core shaft 23 are hollow shafts, and the hollow shafts of the guide core and the telescopic core shaft are connected to form a welding air passage 13 for allowing inert gas to enter into the workpiece to be welded. The welding air passage 13 is connected with an air source, and inert gas can be injected into the workpiece B to be welded and the workpiece A to be welded through the welding air passage 13, so that the welding environment is further improved, and the welding quality is improved.
Referring to fig. 3, the operation of the preferred embodiment of the present invention is as follows:
(1) Fixing a welding gun at a proper position beside the tooling mechanism 2, then placing the workpiece A to be welded on the guide core 21 and clamping the workpiece A by the conical guide sleeve 22, wherein the guide core 21 penetrates through the workpiece A to be welded and is exposed out of the outer side of the workpiece A to be welded, so that the workpiece A to be welded is limited and fixed; then, the workpiece B to be welded is placed on the guide core 21, and the workpiece B to be welded is sleeved on the guide core 21, so that the workpiece B to be welded is limited and fixed;
(2) Spot welding and fixing the workpiece to be welded, namely pressing the workpiece to be welded B and the workpiece to be welded A tightly; the welding gun is aligned to the joint between the workpiece B to be welded and the workpiece A to be welded for spot welding; the hollow main shaft 25 rotates for a certain angle at intervals and then spot welding is carried out for 1 to 2 points, so that the relative position between the workpiece B to be welded and the workpiece A to be welded is fixed;
(3) In the full-welding step, the mandrel telescopic cylinder 31 acts, the guide core 21 retracts leftwards, the end part of the guide core is away from the position of a welding seam, the workpiece A to be welded is fixed by the conical guide sleeve 22, and an inert gas source injects inert gas into the workpiece B to be welded and the workpiece A to be welded through the welding air passage 13, wherein the inert gas is preferably argon gas; the hollow main shaft 25 drives the workpiece B to be welded and the workpiece A to be welded to rotate continuously, the welding gun aims at the joint between the workpiece B to be welded and the workpiece A to be welded to carry out continuous welding, full welding is completed, and inert gas injection is cut off.
In the above description, details of the conventional components and machining processes related to the mandrel telescopic cylinder drive, the stepping motor rotation drive, and the like are not repeated for saving space. Other processing techniques and parts not disclosed are processed according to the conventional technology in the prior art.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. A pipe welding machine comprises a case (1), a tool mechanism (2) and a main shaft rotation driving mechanism (4), wherein the tool mechanism and the main shaft rotation driving mechanism are arranged on the case (1); the tooling mechanism is characterized in that the tooling mechanism (2) comprises a main shaft sleeve (26), a hollow main shaft (25) and a main bearing (27), the main shaft sleeve (26) is horizontally fixed on the chassis (1), the hollow main shaft (25) penetrates through the main shaft sleeve (26), and two ends of a main body of the hollow main shaft are rotatably arranged in the main shaft sleeve (26) through the main bearing (27); the front end of the hollow main shaft (25) is provided with a conical guide sleeve (22), a guide core (21) for fixing a workpiece to be welded is arranged in the conical guide sleeve (22), the guide core (21) can horizontally slide axially in the conical guide sleeve (22), and the front end part of the guide core (21) extends out of the front end of the conical guide sleeve (22); the main shaft rotation driving mechanism (4) comprises a stepping motor (41), a driving synchronous wheel (42) and a driven synchronous wheel (43), wherein the stepping motor (41) is horizontally fixed on the case (1), the driven synchronous wheel (43) is sleeved on the rear part of the hollow main shaft (25) exposed from the tail end of the main shaft sleeve (26), the driving synchronous wheel (42) is sleeved on an output shaft of the stepping motor (41), and the driving synchronous wheel (42) is positioned below the driven synchronous wheel (43) and is in transmission connection with the driven synchronous wheel (43).
2. The pipe welding machine according to claim 1, wherein the case (1) comprises a driving case (11) and a spindle case (12), the driving case (11) is suspended at the lower left side of the spindle case (12), the stepping motor (41) is horizontally fixed on the driving case (11), and the tooling mechanism (2) is arranged on the spindle case (12).
3. A pipe welding machine as claimed in claim 2, wherein said; the tool mechanism (2) further comprises a telescopic mandrel (23), the head and the tail of the telescopic mandrel (23) are slidably arranged in the hollow main shaft (25) through a linear bearing (24), the tail of the telescopic mandrel (23) is exposed out of the tail end of the hollow main shaft (25), and the head end of the telescopic mandrel (23) is connected with the tail end of the guide core (21); the spindle case (12) is provided with a spindle translation telescopic mechanism (3) for driving the telescopic spindle (23) to horizontally slide.
4. A pipe welder according to claim 3, characterized in that said mandrel translation and retraction mechanism (3) comprises a mandrel retraction cylinder (31) and a mandrel translation linkage plate (32); the mandrel telescopic cylinder (31) is arranged above the driven synchronizing wheel (43), the mandrel translation linkage plate (32) is arranged on the outer side of the driven synchronizing wheel (43), the tail end of the telescopic mandrel (23) is fixed at the lower end of the mandrel translation linkage plate (32) through a mandrel bearing (28), and a cylinder rod of the mandrel telescopic cylinder (31) is connected to the upper end of the mandrel translation linkage plate (32); the tail part of the mandrel telescopic cylinder (31) is fixed on the outer side of the main shaft case (12).
5. A pipe welding machine as claimed in claim 4, characterized in that the axes of said guide core (21) and said telescopic mandrel (23) are hollow, the hollow axes of both being connected to form a welding air passage (13) for the inert gas to enter the interior of the workpiece to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361485.XU CN218426463U (en) | 2022-09-06 | 2022-09-06 | Pipe fitting welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361485.XU CN218426463U (en) | 2022-09-06 | 2022-09-06 | Pipe fitting welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218426463U true CN218426463U (en) | 2023-02-03 |
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ID=85103116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222361485.XU Active CN218426463U (en) | 2022-09-06 | 2022-09-06 | Pipe fitting welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218426463U (en) |
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2022
- 2022-09-06 CN CN202222361485.XU patent/CN218426463U/en active Active
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