CN213257977U

CN213257977U - Internal welding device

Info

Publication number: CN213257977U
Application number: CN202021606108.2U
Authority: CN
Inventors: 魏征; 魏巍; 魏伦
Original assignee: BEIJING HUAWEI ZHONGXING ELECTRIC CO LTD
Current assignee: BEIJING HUAWEI ZHONGXING ELECTRIC CO LTD
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-05-25
Anticipated expiration: 2030-08-05

Abstract

The utility model relates to a welding equipment technical field specifically discloses an interior welding set. The inner welding device comprises a head-tail type position changing machine and a telescopic assembly, wherein the head-tail type position changing machine comprises two oppositely arranged position changing seats, clamping pieces are arranged on the two position changing seats respectively, the two clamping pieces are used for positioning two ends of a cylinder body to be welded, and avoidance holes corresponding to inner through holes of the cylinder body to be welded are formed in the position changing seats respectively; the one end of flexible subassembly is worn to locate and is dodged the hole and can follow the axial of inside through-hole and stretch out and draw back, and the welding subassembly is installed to the one end of flexible subassembly. The utility model provides an interior welding device utilizes the inside weld that flexible subassembly realized the barrel, has not only solved the problem of interior welding operation difficulty, has also reduced the cost of equipment simultaneously, has improved production efficiency.

Description

Internal welding device

Technical Field

The utility model relates to a welding equipment technical field especially relates to an interior welding device.

Background

The cylinder body is a common design mechanism in welding production in the manufacturing industry, namely four flat plates or a bottom plate and two L-shaped plates are spliced into a cylinder body structure, and then the cylinder body structure is welded to form a tubular structural member capable of bearing certain pressure or torque. In recent years, the cylinder body is widely applied to the field of equipment manufacturing, the demand is increasing, and the cylinder body assembly welding is a common process form in the welding field.

The welding of the cylinder body is mainly divided into an external welding seam and an internal welding seam, the external welding seam is a naked welding seam, and the welding can be carried out manually or by a welding robot; the inside welding seam is according to the size variation of barrel, and its welding methods are different, and the inside welding seam of great barrel generally adopts the workman to take welding terminal to get into the barrel inside and welds, and inside the inside welding seam of less barrel, the workman can not get into the barrel, simultaneously because barrel size overlength robot or other welding equipment can not carry out effective reliable welding to the inside welding seam of barrel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior welding set can weld the inside welding seam of the less and longer barrel of length of internal diameter, and it is effectual to weld, with low costs and efficient.

To achieve the purpose, the utility model adopts the following technical proposal:

an internal welding device comprises a head-tail type positioner and a telescopic assembly. The head-tail type position changing machine comprises two oppositely arranged position changing seats, clamping pieces are arranged on the two position changing seats respectively, the two clamping pieces position two ends of a cylinder body to be welded, and avoidance holes corresponding to inner through holes of the cylinder body to be welded are formed in the position changing seats respectively; the one end of flexible subassembly is worn to locate dodge the hole and can follow the axial of inside through-hole is flexible, the welding subassembly is installed to the one end of flexible subassembly.

The head-tail type positioner further comprises a sliding rail and a positioner driving assembly. The displacement seats are slidably mounted on the slide rail so as to adjust the distance between the two displacement seats; the positioner driving assembly is used for driving the positioner to move along the sliding rail.

Preferably, the welding assembly includes a welding gun, a linear motor, and a welding gun slide. The welding gun is movably arranged on the welding gun slide rail, and the linear motor drives the welding gun to move along the welding gun slide rail.

Further, a plurality of welding assemblies are installed at one end of the telescopic assembly, and the orientation of the welding gun of each welding assembly is different.

Preferably, linear electric motor passes through the electric wire with welding power and is connected, the electric wire is worn to locate in the tow chain, the tow chain install in on the flexible subassembly, and can follow the flexible subassembly is flexible.

Preferably, the inner welding device further comprises a control assembly, and the control assembly is in communication connection with the welding power supply and the linear motor.

Preferably, the clamping piece includes sliding mounting in the tight seat of clamp on the seat that shifts, just it can be relative to press from both sides tight seat and go up and down to shift, press from both sides tight seat include the bottom plate and with the curb plate that the bottom plate is connected, be equipped with on the curb plate and be used for the location wait to weld the last clamping piece on the bottom plate of barrel, be equipped with two relative settings on the bottom plate and be used for the location wait to weld the lower clamping piece of barrel side, just go up the clamping piece with the position of lower clamping piece is all adjustable.

Preferably, the internal welding device further comprises a supporting piece for overlapping the cylinder body to be welded, and the supporting piece is arranged at one end, close to the clamping piece, of the sliding rail.

Preferably, the telescopic assembly comprises a telescopic base, a plurality of telescopic rods and a telescopic assembly motor, the telescopic base is mounted on the displacement seat, and the telescopic rods are slidably mounted on the telescopic base or the other telescopic rod; the telescopic component motor drives the plurality of telescopic rods to stretch along the setting direction of the telescopic base.

Furthermore, flexible base movable mounting in shift seat is last, just flexible base's position can be followed X axle, Y axle and Z axle direction and adjusted.

The utility model has the advantages that:

the flexible subassembly has accomplished the inside weldment work of welding seam along the flexible setting of axial of inside through-hole, has solved among the prior art because of barrel size overlength robot or other welding equipment can not carry out the problem of effective reliable welding to the inside welding seam of barrel, the utility model provides an interior welding device has also improved work efficiency when guaranteeing welding quality, has reduced equipment cost.

Drawings

FIG. 1 is a schematic structural diagram of an inner welding device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at plane A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a telescopic assembly provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a welding assembly according to an embodiment of the present invention.

In the figure:

1. a head-tail type positioner; 11. a position changing seat; 111. avoiding holes; 112. a projection slot; 113. a gear; 114. a positioner driving assembly; 115. a clamping seat; 12. a clamping member; 121. an upper clamp member; 122. a lower clamp member; 2. welding the assembly; 21. a welding gun; 22. a linear motor; 23. a welding gun slide rail; 3. a telescoping assembly; 31. a telescopic base; 32. a telescopic rod; 33. a telescoping assembly motor; 4. a slide rail; 41. a slide rail male member; 42. a slide rail rack; 5. a drag chain; 6. a welding power supply.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 and fig. 2, the internal welding device provided in this embodiment includes a head-tail type positioner 1 and a telescopic assembly 3. The head-tail type positioner 1 comprises two oppositely arranged displacement seats 11, clamping pieces 12 are arranged on the two displacement seats 11, the two clamping pieces 12 are used for positioning two ends of a cylinder to be welded, and avoidance holes 111 corresponding to inner through holes of the cylinder to be welded are formed in the displacement seats 11; the one end of flexible subassembly 3 is worn to locate and is dodged hole 111 and can follow the axial of inside through-hole and stretch out and draw back, and welding subassembly 2 is installed to the one end of flexible subassembly 3. The flexible subassembly 3 has accomplished the inside weldment work of welding seam along the flexible setting of axial of inside through-hole, has solved among the prior art because of barrel size overlength robot or other welding equipment can not carry out the problem of effective reliable welding to the inside welding seam of barrel, the utility model provides an interior welding device has also improved work efficiency when guaranteeing welding quality, has reduced equipment cost.

The head-tail type positioner 1 further comprises a slide rail 4 and a positioner driving assembly 114. The shifting seats 11 are slidably arranged on the slide rails 4 to adjust the distance between the two shifting seats 11; the positioner driving assembly 114 is used for driving the positioner 11 to move along the slide rail 4. In the embodiment, the upper surface of the slide rail 4 is provided with a slide rail convex part 41 along the extending direction of the slide rail 4, and the side surface of the slide rail 4 is provided with a slide rail rack 42 along the extending direction of the slide rail 4; the shifting seat 11 is further provided with a convex piece groove 112 and a gear 113, the convex piece groove 112 is slidably mounted on the sliding rail convex piece 41, the gear 113 is meshed with the sliding rack 42, the shifting machine driving component 114 drives the gear 113, and the gear 113 is matched with the sliding rail rack 42 to generate displacement, so that the shifting seat 11 can move along the extension direction of the sliding rail 4. The slide rail 4 and the positioner driving assembly 114 are arranged to realize the automatic adjustment of the relative distance between the two displacement seats 11, and the adjustment precision is high, so that the internal welding device can complete the internal welding operation of various cylinders to be welded with different lengths.

In this embodiment, the clamping member 12 includes a clamping seat 115 slidably mounted on the displacement seat 11, and the clamping seat 115 can be lifted and lowered relative to the displacement seat 11, the clamping seat 115 includes a bottom plate and a side plate connected to the bottom plate, an upper clamping member 121 for positioning the cylinder to be welded on the bottom plate is disposed on the side plate, two lower clamping members 122 disposed oppositely on the bottom plate for positioning the side of the cylinder to be welded, and the positions of the upper clamping member 121 and the lower clamping member 122 are adjustable. The clamping piece 12 is arranged to enable the cylinder to be welded to be positioned on the shifting seat 11, so that the condition that the cylinder to be welded deviates is avoided, and the machining precision of internal welding operation is guaranteed. The liftable arrangement of the clamping seat 115 enables the placement operation of the cylinder body to be welded to be simpler, reduces the operation steps and improves the working efficiency.

Further, a ball screw structure is connected to each of the upper clamp member 121 and the lower clamp member 122 to automatically adjust the positions of the upper clamp member 121 and the lower clamp member 122.

The internal welding device also comprises a supporting piece 13 for overlapping the cylinder body to be welded, and the supporting piece 13 is arranged at one end of the sliding rail 4 close to the clamping piece 12. Support piece 13 sets up to be unprocessed and the processing is accomplished treat that the welding barrel provides interim laying position, with unprocessed treat that the both ends of welding barrel place support piece on, press from both sides tight 115 decline and press from both sides the tip of treating the welding barrel, then drive treat that the welding barrel rises to the processing position, after the processing is accomplished and treat the welding barrel, press from both sides tight 115 decline and make the barrel that the processing was accomplished place support piece on, loosen the barrel can, it makes things convenient for press from both sides tight 115 clamp to get and place and treat the welding barrel to set up support piece.

In the present embodiment, the telescopic base 31 is movably mounted on the shifting base 11, and the position of the telescopic base 31 can be adjusted along the X-axis, Y-axis and Z-axis directions. Due to the movable installation of the telescopic base 31, the position of the welding assembly 2 relative to the cylinder to be welded is adjustable, the difficulty of adjusting the welding position is reduced, and the efficiency of internal welding operation is improved. The installation and adjustment method of the telescopic base 31 is prior art and is not limited herein.

As shown in fig. 3, the telescopic assembly 3 includes a telescopic base 31, a plurality of telescopic rods 32 and a telescopic assembly motor 33, the telescopic base 31 is mounted on the displacement seat 11, and the telescopic rods 32 are slidably mounted on the telescopic base 31 or another telescopic rod 32; the telescopic assembly motor 33 drives the plurality of telescopic rods 32 to be telescopic in the arrangement direction of the telescopic base 31. When the telescopic assembly motor 33 works, each telescopic rod 32 is driven to slide and displace along the setting direction of the telescopic base 31 relative to the telescopic base 31 or the other telescopic rod 32 which is installed on the telescopic assembly motor. The telescopic assembly motor 33 for driving the telescopic assembly 3 to move telescopically is prior art and is not limited herein.

One end of the telescopic assembly 3 is connected with the welding assembly 2, as shown in fig. 4, the welding assembly 2 comprises a welding gun 21, a linear motor 22 and a welding gun slide rail 23, the welding gun 21 is movably mounted on the welding gun slide rail 23, and the linear motor 22 drives the welding gun 21 to move along the welding gun slide rail 23. The linear motor 22 drives the welding gun 21 to move so as to complete the telescopic action of the welding gun 21, and the position of the welding gun 21 can be adjusted to ensure the forming quality of an inner welding seam.

Further, a plurality of welding modules 2 are mounted at one end of the telescopic module 3, and the orientation of the welding torch 21 of each welding module 2 is different. The plurality of welding guns 21 synchronously weld different welding seams, so that the working efficiency of internal welding operation is improved, and meanwhile, the welding deformation of the cylinder to be welded is reduced.

Linear electric motor 22 passes through the electric wire electricity with welding source 6 and is connected, and the electric wire is worn to locate in tow chain 5, and tow chain 5 installs on flexible subassembly 3, and can stretch out and draw back along with flexible subassembly 3. The arrangement of the drag chain 5 limits and protects the electric wire, so that the service life of the electric wire is prolonged, and the risk of accidents is reduced. The electric wire is not wound and unwound manually, and the working efficiency of the internal welding device is improved.

In this embodiment, the internal welding apparatus further comprises a control assembly in communication with the welding power supply 6 and the linear motor 22. The control assembly adopts PLC as a main control unit, and real-time communication response between the control assembly and the welding assembly 2 is realized through an I/O input/output signal carried by the control assembly. The welding parameters (welding voltage, current and the like) of the welding power supply 6 are monitored in real time, then high-frequency pulse signals are sent to the linear motor 22, the welding gun 21 is accurately controlled to correspondingly extend or retract, and the forming quality of an inner welding seam is ensured.

The control assembly is also communicated with the telescopic assembly 3 in real time to respond, a high-frequency pulse signal is sent to the positioner driving assembly 114, the telescopic speed of the telescopic mechanism 3 is controlled, and effective welding of a welding line in the cylinder is achieved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An internal welding device, comprising:

the head-tail type position changing machine (1) comprises two oppositely arranged position changing seats (11), clamping pieces (12) are arranged on the two position changing seats (11), the two clamping pieces (12) are used for positioning two ends of a cylinder body to be welded, and avoiding holes (111) corresponding to inner through holes of the cylinder body to be welded are formed in the position changing seats (11);

flexible subassembly (3), the one end of flexible subassembly (3) is worn to locate dodge hole (111) and can follow the axial of inside through-hole is flexible, welding subassembly (2) are installed to the one end of flexible subassembly (3).

2. Internal welding device according to claim 1, characterized in that said head-to-tail positioner (1) further comprises:

the displacement seats (11) are slidably mounted on the sliding rails (4) so as to adjust the distance between the two displacement seats (11);

the positioner driving assembly (114), the positioner driving assembly (114) is used for driving the positioner (11) to move along the sliding rail (4).

3. The internal welding device according to claim 1, characterized in that the welding assembly (2) comprises a welding gun (21), a linear motor (22) and a welding gun slide rail (23), the welding gun (21) is movably mounted on the welding gun slide rail (23), and the linear motor (22) drives the welding gun (21) to move along the welding gun slide rail (23).

4. An internal welding device according to claim 3, characterized in that a plurality of said welding packs (2) are mounted at one end of said telescopic pack (3) and the orientation of said welding guns (21) of each said welding pack (2) is different.

5. The inner welding device according to claim 3, characterized in that the linear motor (22) is electrically connected with the welding power supply (6) through an electric wire, the electric wire is arranged in a drag chain (5) in a penetrating way, and the drag chain (5) is arranged on the telescopic component (3) and can be telescopic along with the telescopic component (3).

6. The in-welding device according to claim 5, characterized in that it further comprises a control assembly communicatively connected with said welding power supply (6) and said linear motor (22).

7. An internal welding device according to claim 1, characterized in that the clamping member (12) comprises a clamping seat (115) which is slidably mounted on the displacement seat (11), the clamping seat (115) can be lifted relative to the displacement seat (11), the clamping seat (115) comprises a bottom plate and a side plate which is connected with the bottom plate, an upper clamping member (121) which is used for positioning the cylinder body to be welded on the bottom plate is arranged on the side plate, two lower clamping members (122) which are oppositely arranged and used for positioning the side face of the cylinder body to be welded are arranged on the bottom plate, and the positions of the upper clamping member (121) and the lower clamping members (122) are both adjustable.

8. An internal welding device according to claim 2, characterized in that it further comprises a support (13) for overlapping the cylinder to be welded, said support (13) being arranged at the end of the slide (4) close to the clamping member (12).

9. Internal welding device according to claim 1, characterized in that said telescopic assembly (3) comprises a telescopic base (31), a plurality of telescopic rods (32) and a telescopic assembly motor (33), said telescopic base (31) being mounted on said indexing seat (11), said telescopic rods (32) being slidably mounted on said telescopic base (31) or on another of said telescopic rods (32); the telescopic component motor (33) drives the plurality of telescopic rods (32) to stretch along the setting direction of the telescopic base (31).

10. The internal welding device according to claim 9, characterized in that the telescopic base (31) is movably mounted on the shifting base (11), and the position of the telescopic base (31) can be adjusted along the X-axis, Y-axis and Z-axis directions.