CN216858746U - Device for double-side welding of irregular component circular seam - Google Patents
Device for double-side welding of irregular component circular seam Download PDFInfo
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- CN216858746U CN216858746U CN202123385355.1U CN202123385355U CN216858746U CN 216858746 U CN216858746 U CN 216858746U CN 202123385355 U CN202123385355 U CN 202123385355U CN 216858746 U CN216858746 U CN 216858746U
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- slewing bearing
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Abstract
The utility model discloses a device for double-sided welding of an irregular member circular seam, which comprises a support main body structure, a rotary driving mechanism, an internal expansion type centering fixture and a movable jacking mechanism, wherein the support main body structure is provided with a support base; the support main body structure comprises a base, a rotary support, a jacking support and a slide rail; the rotary driving mechanism comprises a driving motor, a speed reducer, a driving gear, a rotary support and a housing; the internal expansion type centering fixture is arranged on the slewing bearing; the movable jacking mechanism comprises a movable main structure, a driven rotary supporting seat, a push rod and a sliding block. The utility model meets the condition that the circular seams at two sides of the irregular component can be welded simultaneously, and the welding efficiency is greatly improved.
Description
Technical Field
The utility model relates to a welding auxiliary device, in particular to a device for double-sided welding of irregular member circular seams.
Background
A large number of heavy pound rings exist in a shore bridge or other similar steel structure products, and are usually welded on one side or two sides of a structure main plate, such as lifting lugs, support lug plates and the like. When the heavy-duty ring is welded in the girth welding process, parts can be horizontally placed on a jig frame or a workbench, the positions of the heavy-duty ring and the main plate are adjusted, and then the parts are welded by manual or semi-automatic welding equipment, if the parts are members with the heavy-duty ring on both sides, the member is turned over by the aid of lifting equipment after the girth welding of one side is finished, and a girth of the other side is welded. If in the production process, can realize both sides welding circumferential weld simultaneously after changing the irregular structure spare of similar lug into the vertical state from the horizontal state, improvement production efficiency that can be very big.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a device for double-sided welding of the circular seams of the irregular member, which meets the condition that the circular seams on two sides of the irregular member can be welded simultaneously, and greatly improves the welding efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a device for double-sided welding of an irregular member circular seam comprises a support main body structure, a rotary driving mechanism, an internal expansion type centering clamp and a movable jacking mechanism;
the support main body structure comprises a base, a rotary support, a jacking support and a sliding rail;
the rotary support and the jacking support are respectively arranged at two end parts of the upper surface of the base, and the sliding rails are provided with 2 sliding rails symmetrically arranged on the upper surface of the jacking support;
the rotary driving mechanism comprises a driving motor, a speed reducer, a driving gear, a rotary support and a housing;
the driving motor and the speed reducer are arranged inside the slewing bearing, the output side of the driving motor is connected with the input side of the speed reducer, the output side of the speed reducer is connected with the driving gear, the driving gear is meshed with the slewing bearing, the slewing bearing is arranged on the inner side surface of the slewing bearing, and the housing is arranged on the outer sides of the driving gear and the slewing bearing;
the internal expansion type centering fixture is arranged on the slewing bearing;
the movable jacking mechanism comprises a movable main structure, a driven rotary supporting seat, a mandril and a slide block;
the slide block is arranged on the bottom surface of the movable main structure and matched with the slide rail, the driven rotary supporting seat is arranged on the inner side surface of the movable main structure and opposite to the internal expansion type centering fixture, one end of the ejector rod is connected with the movable main structure, and the other end of the ejector rod is connected with the upper surface of the jacking supporting seat.
Preferably, the distance L between the rotating support and the jacking support is more than 600 mm;
the height H between the rotation center of the rotation support and the upper surface of the base is larger than the maximum rotation radius of the part to be welded.
Preferably, the slewing bearing is of an external gear type.
Preferably, the housing is a sheet metal plate.
Preferably, the internal expansion type centering fixture comprises a chassis, an internal expansion type clamping jaw, a supporting cylinder, an anti-drop plate and a built-in motor;
the chassis is arranged on the slewing bearing, and a plurality of threaded holes are formed in the circumferential side surface of the chassis;
one end of the supporting cylinder is arranged on the inner side surface of the chassis, and the other end of the supporting cylinder is connected with the anti-falling plate;
the number of the inner expansion type clamping jaws is 3, the inner expansion type clamping jaws are uniformly distributed on the inner side face of the chassis and are driven by the built-in motor.
Preferably, the length of the supporting cylinder is larger than the plate thickness of the part to be welded.
Preferably, 3 mounting grooves are formed in the inner side face of the supporting cylinder, and the inner expansion type clamping jaws are arranged in the mounting grooves.
Preferably, the driven rotary supporting seat comprises a rotary support and a driven support;
the driven support is arranged on the inner side surface of the movable main structure, and the slewing bearing is arranged on the driven support.
Preferably, the upper surface of the jacking support is provided with a fixed support.
Preferably, one end of the ejector rod is hinged with the movable main structure, and the other end of the ejector rod is hinged with the fixed support.
The device for welding the two sides of the circular seam of the irregular member solves the problem that the irregular member is vertically clamped and rotated, meets the condition that the circular seams on the two sides of the irregular member can be welded simultaneously, and greatly improves the welding efficiency. Provides a new idea for welding irregular components and is worth reference and popularization.
Drawings
FIG. 1 is a schematic view of a conventional weldment, wherein (a) is a front view and (b) is a schematic view of the direction A-A in (a);
FIG. 2 is a schematic view of the structure of the apparatus of the present invention;
FIG. 3 is a schematic view of the main structure of the holder in the device of the present invention;
FIG. 4 is a schematic view of a rotary drive mechanism in the apparatus of the present invention;
FIG. 5 is a schematic view of an internal expansion centering fixture in the apparatus of the present invention;
fig. 6 is a schematic view of a movable jacking mechanism in the apparatus of the present invention.
Detailed Description
In order to better understand the technical solutions of the present invention, the following further describes the technical solutions of the present invention with reference to the accompanying drawings and examples.
The main function of the device is to vertically clamp the component to be welded (as shown in figure 1) so that the circular seam of the heavy pound ring 2 on the main plate 1 is in a vertical state. The purpose is to adopt a special clamping tool to position by the circle center of the circular seam, and then a rotary driving mechanism 4 of the device drives an irregular structure to rotate around the axis of the circle center so as to provide power for the double-sided welding of the circular seams at two sides.
Referring to fig. 2, the device for double-sided welding of the circular seam of the irregular member provided by the utility model comprises a support main body structure 3, a rotary driving mechanism 4, an internal expansion type centering fixture 5 and a movable jacking mechanism 6.
As shown in fig. 3, the support body structure 3 is used for loading other components, has certain rigidity, and includes a base 301, a pivoting support 302, a tightening support 303, and a sliding rail 304.
The base 301 is formed by welding sectional materials, and has stable structure and strong pressure bearing capacity. The rotary support 302 and the jacking support 303 are respectively welded with the base 301 into a whole. The 2 pairs of slide rails 304 are symmetrically arranged on the upper surface of the jacking support 304 at the left side and the right side and are used for installing the movable jacking mechanism 6. To ensure enough space on the top for installing the welding equipment, the distance L between the pivoting support 302 and the tightening support 303 needs to be larger than 600 mm. The height H of the center of rotation of the rotating support 302 from the upper surface of the base 301 needs to be greater than the maximum radius of rotation of the members to be welded, so that girth welding of all similar members in a product can be applied.
As shown in fig. 4, the rotation driving mechanism 4 is mainly used for driving the to-be-welded member to rotate, is fixed on the main support structure 3, and includes a driving motor 401, a speed reducer 402, a driving gear 403, a rotation support 404, and a housing 405.
The driving motor 401 and the speed reducer 402 are installed inside the slewing bearing 302, and the slewing bearing 404 is of an external gear type and is vertically installed on the vertical surface of the slewing bearing 302. The output shaft of the reducer 402 is connected with a driving gear 403 to drive a slewing bearing 404 to rotate. The electrical control and the circuits are all arranged inside the rotary support 302, so that the equipment is protected, and the appearance of the device is clean and tidy. The cover 405 is formed of a sheet metal plate into a ring-shaped structure, and protects the slewing bearing 404 and the drive gear 403.
Referring to fig. 5, the internal expansion type centering fixture 5 is mainly used for positioning and assembling irregular members to be welded and has a supporting function, and includes a chassis 501, internal expansion type jaws 502, a supporting cylinder 503, an anti-drop plate 504 and a built-in motor 505.
The end face of the base plate 501 is drilled together with the slewing bearing 404 in the slewing drive mechanism 4, a threaded hole is machined in the circumferential direction, and after other components are mounted on the base plate 501, the threaded hole is connected with the slewing bearing 404 through a bolt. The supporting cylinder 503 functions to support the irregular members to be welded and protect the expanding jaws 502. The length of the supporting cylinder 503 needs to be larger than the total thickness of the irregular components to be welded, one end of the supporting cylinder 503 is welded and fixed with the base plate 501, the other end of the supporting cylinder is provided with an anti-slip plate 504 to prevent the components to be welded from slipping after being placed, and 3 notches are uniformly distributed in the circumferential direction and used for the inward-expanding type clamping jaws 502 to pass through. The internal expansion type clamping jaws 502 are totally 3 and are installed in the base plate 501, the internal expansion type clamping jaws 502 are driven by the built-in motor 505, the internal expansion type clamping jaws 502 are located inside the supporting barrel 503 after being contracted, after the components to be welded are respectively placed on the supporting barrel 503, the built-in motor 505 drives the internal expansion type clamping jaws 502 to expand to drive the main plate 1 and the heavy pound ring 2 in the irregular components to be welded to achieve the purpose of concentric positioning.
As shown in fig. 6, the movable tightening mechanism 6 forms a set of opposite forces with the rotating base 302 to clamp the irregular members to be welded. The welding device is characterized in that the gravity center of an irregular component to be welded is not coincident with the rotation axis, the component to be welded needs to be clamped to increase friction force after being placed and positioned, and the component to be welded is prevented from slipping or impacting in the rotation process and comprises a movable main structure 601, a driven rotation supporting seat 602, a top rod 603 and a sliding block 604.
The movable main structure 601 serves as a mounting base of other parts, a sliding block 604 is mounted at the bottom, the sliding block 604 is matched with the sliding rail 304, and the integral structure is mounted on the jacking support 303. The driven rotary supporting seat 602 consists of a rotary support 6021 and a driven support 6022, is vertically arranged on the vertical surface of the movable main structure 601, and keeps concentric with the rotary support 404 and the internal expanding centering clamp 5. The inner side surface of the driven rotary supporting seat 602 and the inner expansion type clamping jaws 502 in the inner expansion type centering fixture 5 are correspondingly provided with notches, and when a component to be welded with a large inner hole is clamped, the interference between the component and the inner expansion type clamping jaws 502 is avoided. The top rod 603 adopts a hydraulic type, one end of the top rod is hinged with the movable main structure 601, the other end of the top rod is hinged with the fixed support 3031 on the jacking support 303, and the top rod is used for pushing the movable main structure 601 to move along the horizontal direction to form jacking of a component to be welded. When the device is not in operation, the movable jacking mechanism 6 is in an open state, so that the distance between the end surface of the driven rotary supporting seat 602 and the end surface of the anti-falling plate 504 in the internal expansion type centering fixture 5 is 200mm, the end surface is used for sleeving the heavy pound ring 2 and the main plate 1 into the supporting cylinder 503 in the internal expansion type centering fixture 5, when the device is in operation, the jacking rod 603 is started to push the movable main structure 601, so that the driven rotary supporting seat 602 compresses the irregular members to be welded, and the limiting parts 605 are arranged at the two ends of the driven rotary supporting seat 602 in the horizontal direction, so that the jacking rod 603 is prevented from being overloaded.
The device is mainly used for positioning and clamping the main plate and the heavy plates on two sides in the irregular structure, so that the circular seams on two sides are erected, and the irregular members to be welded are driven to rotate around the central axis of the circular seam, the traditional single-side circular seam welding is changed, and the problem that the circular seams on two sides are welded by adopting double guns at the same time is solved. The specific implementation is as follows:
1. installation and requirements
(1) The main support structure 3, the rotary driving mechanism 4, the internal expanding type centering fixture 5 and the movable jacking mechanism 6 are prefabricated into components and then installed;
(2) during installation, the rotary support 302, the internal expansion type centering fixture 5 and the driven rotary support base 602 need to be concentric, and the axis is parallel to the slide rail 304;
(3) the distance between the rotary support 302 and the jacking support 303 needs to be larger than 600mm, the height between the rotary center of the rotary support 302 and the surface of the base 301 needs to be larger than the maximum rotary radius of a member to be welded, and the distance between the end surface of the driven rotary support 602 after the movable jacking mechanism 6 is opened and the end surface of the anti-falling plate 504 in the internal expanding type centering fixture 5 needs to be 200 mm.
2. Instructions for use
(1) Before operation, the movable jacking mechanism 6 is in an open state, and the internal expansion type clamping jaws 502 are contracted to a minimum state;
(2) sequentially hoisting the heavy pound plate, the main plate and the heavy pound plate in the irregular member to be welded, and placing the heavy pound plate, the main plate and the heavy pound plate in the support cylinder 503 by using the inner hole;
(3) starting an internal motor 505, expanding the internal expansion type clamping jaws 502 to position the main board and the heavy board;
(4) adjusting the position of the driven rotary support base 602 to make the notch align with the position of the inner expanding type claw 502;
(5) starting the ejector rod 603 to drive the movable main structure 601 to tightly press the irregular components to be welded;
(6) starting the rotary driving mechanism 4 to enable the component to be welded to rotate around the axis of the circular seam, and performing welding operation;
(7) after the operation is finished, the gravity center of the component to be welded is positioned under the rotation axis, the movable jacking mechanism 6 and the internal expansion type clamping jaw 502 are sequentially opened, and the welded structural assembly is lifted away.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that the changes and modifications of the above embodiments are within the scope of the appended claims as long as they are within the true spirit of the present invention.
Claims (10)
1. The utility model provides a be used for two-sided welding of irregular component circumferential weld which characterized in that: the device comprises a support main body structure, a rotary driving mechanism, an internal expansion type centering clamp and a movable jacking mechanism;
the support main body structure comprises a base, a rotary support, a jacking support and a slide rail;
the rotary support and the jacking support are respectively arranged at two end parts of the upper surface of the base, and the sliding rails are provided with 2 sliding rails symmetrically arranged on the upper surface of the jacking support;
the rotary driving mechanism comprises a driving motor, a speed reducer, a driving gear, a rotary support and a housing;
the driving motor and the speed reducer are arranged inside the slewing bearing, the output side of the driving motor is connected with the input side of the speed reducer, the output side of the speed reducer is connected with the driving gear, the driving gear is meshed with the slewing bearing, the slewing bearing is arranged on the inner side surface of the slewing bearing, and the housing is arranged on the outer sides of the driving gear and the slewing bearing;
the internal expansion type centering fixture is arranged on the slewing bearing;
the movable jacking mechanism comprises a movable main structure, a driven rotary supporting seat, a mandril and a sliding block;
the slide block is arranged on the bottom surface of the movable main structure and matched with the slide rail, the driven rotary supporting seat is arranged on the inner side surface of the movable main structure and opposite to the internal expansion type centering fixture, one end of the ejector rod is connected with the movable main structure, and the other end of the ejector rod is connected with the upper surface of the jacking supporting seat.
2. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: the distance L between the rotary support and the jacking support is larger than 600 mm;
the height H between the rotation center of the rotation support and the upper surface of the base is larger than the maximum rotation radius of the part to be welded.
3. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: the slewing bearing is of an external tooth type.
4. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: the housing is a sheet metal plate.
5. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: the internal expansion type centering fixture comprises a chassis, internal expansion type clamping jaws, a supporting cylinder, an anti-drop plate and a built-in motor;
the chassis is arranged on the slewing bearing, and a plurality of threaded holes are formed in the circumferential side surface of the chassis;
one end of the supporting cylinder is arranged on the inner side surface of the chassis, and the other end of the supporting cylinder is connected with the anti-falling plate;
the number of the inner expansion type clamping jaws is 3, the inner expansion type clamping jaws are uniformly distributed on the inner side face of the chassis and are driven by the built-in motor.
6. The apparatus for double-sided welding of irregular member circular seams according to claim 5, characterized in that: the length of the supporting cylinder is greater than the plate thickness of a part to be welded.
7. The apparatus for double-sided welding of irregular member circular seams according to claim 5, characterized in that: open on the medial surface of a supporting cylinder has 3 mounting grooves, interior expanding jack catch is located in the mounting groove.
8. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: the driven rotary supporting seat comprises a rotary support and a driven support;
the driven support is arranged on the inner side surface of the movable main structure, and the slewing bearing is arranged on the driven support.
9. The apparatus for double-sided welding of irregular member circular seams according to claim 1, characterized in that: and a fixed support is arranged on the upper surface of the jacking support.
10. The apparatus for double-sided welding of irregular member circular seams according to claim 9, characterized in that: one end of the ejector rod is hinged with the movable main structure, and the other end of the ejector rod is hinged with the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385355.1U CN216858746U (en) | 2021-12-30 | 2021-12-30 | Device for double-side welding of irregular component circular seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385355.1U CN216858746U (en) | 2021-12-30 | 2021-12-30 | Device for double-side welding of irregular component circular seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216858746U true CN216858746U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123385355.1U Active CN216858746U (en) | 2021-12-30 | 2021-12-30 | Device for double-side welding of irregular component circular seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216858746U (en) |
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2021
- 2021-12-30 CN CN202123385355.1U patent/CN216858746U/en active Active
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