CN219900070U

CN219900070U - Positioning net welding device and positioning net production line

Info

Publication number: CN219900070U
Application number: CN202321005716.1U
Authority: CN
Inventors: 陈振东; 请求不公布姓名
Original assignee: TJK Machinery Tianjin Co Ltd
Current assignee: TJK Machinery Tianjin Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-27
Anticipated expiration: 2033-04-28

Abstract

The utility model belongs to the technical field of box girder positioning net welding, and discloses a positioning net welding device and a positioning net production line, wherein the positioning net welding device is provided with a mounting plate, the mounting plate is provided with an upper electrode and a lower electrode which are oppositely arranged, and the middle parts of the upper electrode and the lower electrode are connected to the mounting plate in a switching manner so as to enable the first end of the upper electrode and the first end of the lower electrode to be mutually close to or far away from each other along a first direction to weld the box girder positioning net; and a first driving member is further provided on the mounting plate, the first driving member being configured to drive the second end of the upper electrode and the second end of the lower electrode toward or away from each other. The positioning net production line adopts the positioning net welding device, so that on one hand, the welding is not firm when the first end of the upper electrode and the first end of the lower electrode are contacted with the box girder positioning net, the secondary auxiliary welding is avoided, and the production efficiency of the box girder positioning net is improved; and the occupied area can be reduced, and the space is saved.

Description

Positioning net welding device and positioning net production line

Technical Field

The utility model relates to the technical field of box girder positioning net welding, in particular to a positioning net welding device and a positioning net production line.

Background

Resistance welding is a method of welding by locally heating a weldment and pressurizing the weldment while using resistance heat generated by passing current through the weldment and a contact part as a heat source. During welding, no metal filling is needed, the productivity is high, the deformation of the weldment is small, and the automation is easy to realize.

The resistance welding is provided with two electrodes which are oppositely arranged, the two electrodes are welded at two crossed reinforcing steel bars, but the current resistance welding adopts a plurality of driving devices to respectively control the two electrodes to be close to or far away from each other, when the reinforcing steel bars are crossed at the joint of the two electrodes, the clamping is easy to be carried out under the condition of loose clamping, the positions of the two electrodes are often required to be accurately calculated, the situation that alignment errors occur due to misalignment of the two electrodes is avoided, so that the welding is unstable, secondary auxiliary welding is required to be carried out manually, and the production efficiency of a box girder positioning net is reduced.

Disclosure of Invention

The utility model aims to provide a positioning net welding device, which improves the clamping force between two electrodes and avoids secondary welding.

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

the positioning net welding device comprises an upper electrode and a lower electrode which are oppositely arranged, and further comprises:

the middle parts of the upper electrode and the lower electrode are connected to the mounting plate in a switching mode, so that the first end of the upper electrode and the first end of the lower electrode can be mutually close to or far away from each other along a first direction, and a box girder positioning net is welded;

and a first driving member disposed on the mounting plate, the first driving member configured to drive the second end of the upper electrode and the second end of the lower electrode toward or away from each other.

Preferably, the second end of the upper electrode and the second end of the lower electrode are provided with a first point position and a second point position which are opposite, and the first point position is in inclined transition in the direction of the second point position; the distance between the two first point positions is larger than the distance between the two second point positions, and the output end of the first driving piece moves back and forth along the direction of abutting the first point position and the second point position, so that the second end of the upper electrode and the second end of the lower electrode are mutually close to and far away from each other and are switched back and forth.

Preferably, the second ends of the upper electrode and the lower electrode are respectively provided with a gap, and are respectively provided with an abutting block, the first ends of the two abutting blocks are respectively connected with the second ends of the upper electrode and the second ends of the lower electrode, so that the first ends of the abutting blocks form the first point location, and the second ends of the two abutting blocks are close to form the second point location; the output end of the first driving piece is arranged between the two abutting blocks.

Preferably, the upper electrode and the lower electrode are symmetrically arranged, and the two abutting blocks are symmetrical with respect to symmetry axes of the upper electrode and the lower electrode.

Preferably, the distance between the second end of the upper electrode and the second end of the lower electrode and the switching point on the mounting plate is smaller than the distance between the switching point and the first end of the upper electrode and the first end of the lower electrode.

Preferably, the device further comprises a second driving member, wherein an output end of the second driving member is connected with the mounting plate so as to drive the upper electrode and the lower electrode to move along a second direction, and the second direction is perpendicular to the first direction.

Preferably, the device further comprises a guide assembly, wherein the guide assembly comprises a synchronous belt and a guide rail, the synchronous belt and the guide rail are arranged along the second direction, the mounting plate is slidably connected onto the guide rail, a locking block is arranged on the synchronous belt, and the locking block is connected with the mounting plate.

Preferably, the electrode assembly further comprises a rotating plate, a rotating shaft is arranged at one end of the rotating plate, the mounting plate is arranged on the rotating plate, the second ends of the upper electrode and the lower electrode are far away from the rotating shaft, the rotating plate is connected with a third driving piece, and the third driving piece drives the rotating plate to rotate around the rotating shaft.

Preferably, the rotating plate is provided with a rolling seat serving as a center, the rolling seat is movably arranged on the arc-shaped rail, the third driving piece is arranged on the rolling seat, a chain wheel is arranged at the output end of the third driving piece, and a chain matched and meshed with the chain wheel is arranged along the arc-shaped rail.

Also provided is a positioning net production line comprising the positioning net welding device.

The utility model has the beneficial effects that:

by adopting the upper electrode and the lower electrode in the form, on one hand, the infirm welding when the first end of the upper electrode and the first end of the lower electrode are contacted with the box girder positioning net can be avoided, the secondary auxiliary welding is avoided, and the production efficiency of the box girder positioning net is improved; and the occupied area can be reduced, and the space is saved.

Drawings

FIG. 1 is a schematic view of a positioning web welding apparatus of the present utility model showing an abutment block;

FIG. 2 is a side view of the positioning web welding apparatus of the present utility model;

FIG. 3 is a rear view of the positioning web welding apparatus of the present utility model;

fig. 4 is a top view of the spacer welding apparatus of the present utility model.

In the figure:

1. an upper electrode; 2. a lower electrode; 3. a mounting plate; 4. a first driving member; 5. an abutment block; 6. a second driving member; 7. a guide assembly; 71. a synchronous belt; 72. a guide rail; 73. a locking block; 74. a conveying roller; 75. a slide; 8. a rotating plate; 9. a rotating shaft; 10. an arc-shaped rail; 11. a rolling seat; 12. a third driving member; 13. a sprocket; 14. and (3) a chain.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, the present embodiment provides a positioning net welding device, which has a mounting plate 3, the mounting plate 3 having an upper electrode 1 and a lower electrode 2 disposed opposite to each other, the middle portions of the upper electrode 1 and the lower electrode 2 being transferred to the mounting plate 3 so as to be able to bring a first end of the upper electrode 1 and a first end of the lower electrode 2 toward or away from each other in a first direction to thereby weld a box girder positioning net; and the mounting plate 3 is further provided with a first driving member 4, the first driving member 4 being configured to drive the second end of the upper electrode 1 and the second end of the lower electrode 2 toward or away from each other.

By driving the second ends of the upper electrode 1 and the lower electrode 2 toward or away from each other by the first driving member 4, the first ends of the upper electrode 1 and the lower electrode 2 are brought toward or away from each other to achieve resistance welding, and the distance between the second ends of the upper electrode 1 and the lower electrode 2 can be controlled according to the first driving member 4 to control the clamping force of the first ends; in addition, the problem that the alignment caused by the fact that a plurality of traditional driving devices are driven respectively is avoided, the phenomenon that welding is unstable when the first end of the upper electrode 1 and the first end of the lower electrode 2 are in contact with the box girder positioning net is avoided, secondary auxiliary welding is avoided manually, and the production efficiency of the box girder positioning net is improved.

Referring to fig. 1, the positioning net welding device includes a mounting plate 3, the mounting plate 3 is disposed along a first direction, an upper electrode 1 and a lower electrode 2 are symmetrically disposed on the mounting plate 3, and middle portions of the upper electrode 1 and the lower electrode 2 are connected to the mounting plate 3 in a switching manner, so that a first end of the upper electrode 1 and a first end of the lower electrode 2 can be close to or far from each other along the first direction to weld a box girder positioning net; in this embodiment, the first direction is the direction in which the upper electrode 1 and the lower electrode 2 clamp or unclamp the box girder positioning net, i.e., the X direction in fig. 1. In addition, a first driving member 4 is arranged on the mounting plate 3, the first driving member 4 is arranged on the mounting plate 3, and the first driving member 4 is configured to drive the second end of the upper electrode 1 and the second end of the lower electrode 2 to be close to or far away from each other, so that the first end of the upper electrode 1 and the first end of the lower electrode 2 which are oppositely arranged can clamp or unclamp a box girder positioning net through a lever principle; and can not only realize the motion of the centre gripping direction of two through a drive, can also realize the effect of adjustment centre gripping dynamics, avoided the alignment problem that often causes because of the error when traditional mode adopts a plurality of drives to control upper electrode 1 and lower electrode 2 respectively. Specifically, the second end of the upper electrode 1 and the second end of the lower electrode 2 are both a first point location and a second point location, the first point location is obliquely transited to the second point location direction, the distance between the two first point locations is greater than the distance between the two second point locations, and the output end of the first driving member 4 is reciprocally stretched along the direction of abutting the first point location to abut the second point location, so that the second end of the upper electrode 1 and the second end of the lower electrode 2 are reciprocally switched between the states of approaching and separating from each other. With the above structure, when the output end of the first driving member 4 reciprocates along the direction from the first point to the second point, the distance between the second end of the upper electrode 1 and the second end of the lower electrode 2 from the opposite first point to the opposite second point gradually decreases, so that the closer the output end of the first driving member 4 is to the second point, the more the second ends of the upper electrode 1 and the lower electrode 2 are away from each other, and the closer the first ends of the upper electrode 1 and the lower electrode 2 are to each other by the principle of leverage, thereby clamping the box girder positioning net; otherwise, the box girder positioning net can be loosened in the same way. Further, the distance between the second end of the upper electrode 1 and the second end of the lower electrode 2 and the switching point on the mounting plate 3 is smaller than the distance between the switching point and the first end of the upper electrode 1 and the first end of the lower electrode 2, so that the second end of the upper electrode 1 and the second end of the lower electrode 2 can move a larger distance under the condition of moving a smaller distance by using the principle of laborious leverage, namely, the first end of the upper electrode 1 and the first end of the lower electrode 2 can generate larger clamping force. It will be appreciated that in the case of an unclamped box girder locating net, there is a gap between the first end of the upper electrode 1 and the first end of the lower electrode 2, avoiding electrode contact in the case of an unclamped box girder locating net.

In this embodiment, a gap is formed between the second end of the upper electrode 1 and the second end of the lower electrode 2, the second end of the upper electrode 1 and the second end of the lower electrode 2 are each provided with an abutment block 5, the first ends of the two abutment blocks 5 are respectively connected with the second end of the upper electrode 1 and the second end of the lower electrode 2, so that the first ends of the abutment blocks 5 form a first point position, and the second ends of the two abutment blocks 5 are close to form a second point position; the output end of the first driving member 4 is arranged between two abutting blocks 5, the abutting blocks 5 can be wedge-shaped blocks which are oppositely arranged, and the wedge-shaped blocks are of the prior art and are not described in detail herein. While in other embodiments, the abutment block 5 may employ two rectangular blocks arranged obliquely. In the present embodiment, the first driving member 4 may specifically be a cylinder; other embodiments may employ an electric cylinder; for better contact, the output end of the first driving member 4 may be provided with a contact member, and the specific form of the contact member is not limited, and a wedge structure may be formed by a slider slidingly engaged with the two wedge blocks. The structure of the butt block type is adopted, the first point position and the second point position are prevented from being formed by processing the upper electrode 1 and the lower electrode 2, the structure can be realized through an external connection structure, and the manufacturing and the forming are convenient. Further, in order to make the distances of displacement of both the upper electrode 1 and the lower electrode 2 the same, in the present embodiment, the two abutment blocks 5 are symmetrical with respect to the symmetry axes of the upper electrode 1 and the lower electrode 2.

As shown in fig. 1-3, the positioning net welding device further has a second driving member 6, wherein an output end of the second driving member 6 is connected to the mounting plate 3 to drive the upper electrode 1 and the lower electrode 2 to move along a second direction, and the second direction is perpendicular to the first direction, and in this embodiment, the second direction is the Y direction in fig. 1. Specifically, a guide assembly 7 is further provided to guide, the guide assembly 7 includes a timing belt 71 and a rotating plate 8 that are disposed along the second direction, the two rotating plates 8 are disposed opposite to each other, a conveying roller 74 is rotatably disposed between the two rotating plates 8, the timing belt 71 is moved by the plurality of conveying rollers 74, and it is understood that the conveying roller 74 is connected with a driving motor. Each rotary plate 8 is provided with a guide rail 72 extending along the second direction, the guide rails 72 are provided with sliding seats 75, and the mounting plate 3 is mounted on the upper surfaces of the two sliding seats 75; the lower surface of the sliding seat 75 is provided with a locking block 73, the locking block 73 is fastened on the synchronous belt 71, specifically, a through hole is formed in the synchronous belt 71, the locking block 73 is provided with a matched screw hole, and a bolt penetrates through the through hole to be connected to the screw hole so as to fasten the locking block 73 on the synchronous belt 71.

As shown in fig. 3 and 4, in order to further reduce the occupied area, the positioning net welding device is further provided with a rotating shaft 9 and a third driving member 12, the rotating shaft 9 being connected to the rotating plate 8 and disposed at a side away from the first end of the upper electrode 1 and the first end of the lower electrode 2; the output end of the third driving member 12 is connected to the rotating plate 8, so as to drive the rotating plate 8 to rotate around the rotating shaft 9. Specifically, an arc-shaped rail 10 is provided centering on the rotation shaft 9. The rotating plate 8 is provided with a rolling seat 11, the rolling seat 11 is provided with a roller, the roller is movably arranged on the arc-shaped rail 10, the output end of the third driving piece 12 is provided with a chain wheel 13, the third driving piece 12 is a driving motor, and a chain 14 which is in matched engagement with the chain wheel 13 is arranged along the arc-shaped rail 10, so that the upper electrode 1 and the lower electrode 2 are circumferentially rotated around the rotating shaft 9 through the engagement of the upper electrode 1 and the lower electrode 2, and the first end of the upper electrode 1 and the first end of the lower electrode 2 are rotated. By adopting the rotating structure, the welded area can form an arc shape around the rotating shaft 9, the longest arc-shaped rail can form a circumferential rail around the rotating shaft 9, and the length of the specific arc-shaped rail 10 can be set in advance according to a factory building and needs, so that the occupied area of the whole equipment is reduced compared with the traditional linear guide rail, and the space is saved. Thereby again cooperating with the driving of the second driving member 6. The upper electrode 1 and the lower electrode 2 are formed into a welding area with the rotation shaft 9 as the center and the length of the timing belt 71 as the radius, so that the welding of various box girder positioning nets can be applied.

The embodiment also provides a positioning net production line, and by adopting the positioning net welding device, on one hand, the welding is not firm when the first end of the upper electrode 1 and the first end of the lower electrode 2 are contacted with the box girder positioning net, the secondary auxiliary welding is avoided manually, and the production efficiency of the box girder positioning net is improved; and the occupied area can be reduced, and the space is saved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The positioning net welding device comprises an upper electrode (1) and a lower electrode (2) which are oppositely arranged, and is characterized by further comprising:

the middle parts of the upper electrode (1) and the lower electrode (2) are connected to the mounting plate (3) in a switching mode, so that the first end of the upper electrode (1) and the first end of the lower electrode (2) can be mutually close to or far away from each other along a first direction to weld a box girder positioning net;

-a first driving member (4), the first driving member (4) being arranged on the mounting plate (3), the first driving member (4) being configured to drive the second end of the upper electrode (1) and the second end of the lower electrode (2) towards or away from each other.

2. The positioning net welding device according to claim 1, wherein the second end of the upper electrode (1) and the second end of the lower electrode (2) are provided with a first point position and a second point position which are opposite, and the first point position is in inclined transition towards the second point position; the distance between the two first point positions is larger than the distance between the two second point positions, and the output end of the first driving piece (4) moves back and forth along the direction of abutting the two first point positions to abut the two second point positions, so that the second end of the upper electrode (1) and the second end of the lower electrode (2) are mutually close to and far away from each other in a reciprocating manner.

3. The positioning net welding device according to claim 2, characterized in that the second end of the upper electrode (1) and the second end of the lower electrode (2) are provided with a gap, and are respectively provided with an abutment block (5), the first ends of the two abutment blocks (5) are respectively connected with the second end of the upper electrode (1) and the second end of the lower electrode (2) so that the first ends of the abutment blocks (5) form the first point location, and the second ends of the two abutment blocks (5) are close to form the second point location; the output end of the first driving piece (4) is arranged between the two abutting blocks (5).

4. A positioning wire welding device according to claim 3, characterized in that the upper electrode (1) and the lower electrode (2) are arranged symmetrically, and that the two abutment blocks (5) are symmetrical with respect to the symmetry axis of the upper electrode (1) and the lower electrode (2).

5. The positioning wire welding device according to claim 1, characterized in that the distance between the second end of the upper electrode (1) and the second end of the lower electrode (2) and the switching point on the mounting plate (3) is smaller than the distance between the switching point and the first end of the upper electrode (1) and the first end of the lower electrode (2).

6. The positioning wire welding device according to claim 1, further comprising a second driving member (6), wherein an output end of the second driving member (6) is connected to the mounting plate (3) to drive the upper electrode (1) and the lower electrode (2) to move in a second direction, the second direction being perpendicular to the first direction.

7. The positioning net welding device according to claim 6, further comprising a guide assembly (7), wherein the guide assembly (7) comprises a synchronous belt (71) and a guide rail (72) which are arranged along the second direction, the mounting plate (3) is slidingly connected to the guide rail (72), a locking block (73) is arranged on the synchronous belt (71), and the locking block (73) is connected to the mounting plate (3).

8. The positioning net welding device according to claim 7, further comprising a rotating plate (8), wherein one end of the rotating plate (8) is provided with a rotating shaft (9), the guide rail (72) is arranged on the rotating plate (8), the first ends of the upper electrode (1) and the lower electrode (2) are far away from the rotating shaft (9), the rotating plate (8) is connected with a third driving member (12), and the third driving member (12) drives the rotating plate (8) to rotate around the rotating shaft (9).

9. The positioning net welding device according to claim 8, wherein an arc-shaped rail (10) is arranged centering on the rotating shaft (9), the rotating plate (8) is provided with a rolling seat (11), the rolling seat (11) is movably arranged on the arc-shaped rail (10), a third driving piece (12) is arranged on the rolling seat (11), a sprocket (13) is arranged at the output end of the third driving piece (12), and a chain (14) which is in matching engagement with the sprocket (13) is arranged along the arc-shaped rail (10).

10. A positioning net production line, characterized by comprising a positioning net welding device according to any one of claims 1-9.