CN215902996U

CN215902996U - Pressing mechanism for electric locomotive bogie frame welding tool fixture

Info

Publication number: CN215902996U
Application number: CN202122165566.8U
Authority: CN
Inventors: 战瑛; 赵永华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-25
Anticipated expiration: 2031-09-08

Abstract

The utility model provides a hold-down mechanism for a welding tool fixture of a bogie frame of an electric locomotive, which comprises: a clamp body; the air cylinder is arranged at the top of the clamp body, an output end of the air cylinder penetrates through the clamp body and extends into the clamp body, and a pressing piece is fixedly connected to one end, extending into the clamp body, of the output end of the air cylinder; the sliding groove is arranged in the pressing piece. According to the pressing mechanism for the electric locomotive bogie frame welding tool fixture, the pressing area can be increased and the pressing firmness is improved when the metal plate is pressed through the arranged pressing piece, the pressing area can be enlarged and the metal plate exceeding the pressing area can be pressed through the pressing plate arranged in the pressing piece, so that the sliding of the metal plate in the welding process is avoided, the accuracy of the welding position is reduced, and the firmness and the practicability of the pressing mechanism are improved.

Description

Pressing mechanism for electric locomotive bogie frame welding tool fixture

Technical Field

The utility model relates to the technical field of welding, in particular to a pressing mechanism for a welding tool fixture of an electric locomotive bogie frame.

Background

The bogie frame of the electric locomotive is formed by welding a plurality of metal plates, the welding position of each part and the welding quality directly influence the quality of the bogie frame, so that the operation safety of the locomotive needs to be ensured by accurately welding an operator when the bogie frame is welded so as to ensure the firm connection of each welding position.

Before welding, generally put into multiunit anchor clamps body with sheet metal, twist one by one and twist the handle, make the briquetting on every group anchor clamps remove, until compressing tightly on sheet metal surface, reach fixed effect, avoid among the welding process, lead to welded position's removal, influence welded accuracy.

In the related art, in the multiunit anchor clamps body, when the anchor clamps body that is in the edge is compressing tightly sheet metal spare, because sheet metal spare both sides length is longer, lead to the part to surpass anchor clamps to the area that compresses tightly of briquetting is limited, can't carry out the pressfitting to the part that surpasses, causes in welding process, appears sheet metal spare's slip easily, thereby reduces welding position's accuracy.

Therefore, it is necessary to provide a pressing mechanism for a welding fixture of a bogie frame of an electric locomotive to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pressing mechanism for a welding tool fixture of a bogie frame of an electric locomotive, which solves the technical problems that when an edge clamp presses a metal plate, the metal plate partially exceeds the clamp due to long lengths of two sides of the metal plate, the pressing area of a pressing block is limited, and the exceeding part cannot be pressed, so that the metal plate is easy to slide in the welding process.

In order to solve the technical problem, the utility model provides a pressing mechanism for a welding tool fixture of a bogie frame of an electric locomotive, which comprises:

a clamp body;

the air cylinder is arranged at the top of the clamp body, an output end of the air cylinder penetrates through the clamp body and extends into the clamp body, and a pressing piece is fixedly connected to one end, extending into the clamp body, of the output end of the air cylinder;

the sliding groove is formed in the compressing piece, and displacement plates are connected between two sides of the inner part of the sliding groove in a sliding mode;

the pressing plate is fixed on one side of the displacement plate, and one side of the pressing plate penetrates through the sliding groove and extends to the outside of the sliding groove;

the plurality of the convex components are arranged on the pressing plate.

Preferably, the bulge assembly comprises a sleeve, the sleeve is arranged on the pressing plate, a T-shaped contact block is connected between two sides inside the sleeve in a sliding mode, an extrusion spring is arranged at the top of the T-shaped contact block, and the top end of the extrusion spring is arranged at the top of the inner wall of the sleeve.

Preferably, the both sides of displacement plate all seted up the recess, the inside one side of recess is provided with spacing spring, the one end of spacing spring is provided with the fixture block, the draw-in groove has all been seted up to the both sides of sliding tray inner wall, one side of fixture block runs through the draw-in groove and extends to the inside of draw-in groove.

Preferably, the bottom of the clamp body is rotatably connected with a rotating shaft, and the outer surface of the rotating shaft is fixedly connected with a hinged seat.

Preferably, sliding surfaces used for sliding the T-shaped contact blocks into the storage are arranged on two sides of the pressing piece.

Preferably, the fixture block is matched with the fixture groove.

Preferably, the movable grooves are formed in two sides of the interior of the clamp body, the rotating shafts are rotatably connected between the two sides of the interior of the movable grooves, and the guide wheels are fixedly connected to the outer surfaces of the rotating shafts.

Compared with the prior art, the pressing mechanism for the electric locomotive bogie frame welding tool clamp has the following beneficial effects:

the utility model provides a pressing mechanism for a welding tool fixture of a bogie frame of an electric locomotive, which can increase the pressing area and improve the pressing firmness when a metal plate is pressed by a pressing piece, can enlarge the pressing area by arranging a pressing plate in the pressing piece, and can press the metal plate which exceeds the pressing area, thereby avoiding the sliding of the metal plate in the welding process, reducing the accuracy of the welding position and further improving the firmness and the practicability of the pressing mechanism.

Drawings

FIG. 1 is a schematic structural diagram of a pressing mechanism for a welding fixture of a bogie frame of an electric locomotive according to a first embodiment of the utility model;

FIG. 2 is a schematic top view of the cylinder shown in FIG. 1;

FIG. 3 is a cross-sectional schematic view of the compression member shown in FIG. 2;

FIG. 4 is a side cross-sectional view of the sleeve of FIG. 2;

fig. 5 is a schematic structural diagram of a pressing mechanism for a welding tool fixture of a bogie frame of an electric locomotive according to a second embodiment of the utility model.

Reference numbers in the figures: 1. the fixture body, 2, the cylinder, 3, the compressing tightly piece, 4, the sliding tray, 5, the displacement board, 6, the clamp plate, 7, protruding subassembly, 71, the sleeve, 72, T type contact block, 73, extrusion spring, 8, recess, 9, spacing spring, 10, the fixture block, 11, the draw-in groove, 12, the axis of rotation, 13, articulated seat, 14, the glide plane, 17, the activity groove, 18, the axis of rotation, 19, the leading wheel.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a pressing mechanism for a welding fixture of a bogie frame of an electric locomotive according to a first embodiment of the present invention; FIG. 2 is a schematic top view of the cylinder shown in FIG. 1; FIG. 3 is a cross-sectional schematic view of the compression member shown in FIG. 2; fig. 4 is a side cross-sectional view of the sleeve of fig. 2. Electric locomotive bogie framework hold-down mechanism for welding frock clamp includes:

a clamp body 1;

the air cylinder 2 is arranged at the top of the clamp body 1, the output end of the air cylinder 2 penetrates through the clamp body 1 and extends into the clamp body 1, and a pressing piece 3 is fixedly connected to one end, extending into the clamp body 1, of the output end of the air cylinder 2;

the sliding groove 4 is formed in the compressing piece 3, and displacement plates 5 are connected between two sides of the inner part of the sliding groove 4 in a sliding mode;

the pressing plate 6 is fixed on one side of the displacement plate 5, and one side of the pressing plate 6 penetrates through the sliding groove 4 and extends to the outside of the sliding groove 4;

the plurality of convex components 7 are arranged on the pressing plate 6;

the cylinder 2 is connected with an external power supply and a control switch;

the cylinder 2 that sets up realizes compressing tightly sheet metal automatically, need not manual operation's trouble, improves welded efficiency.

The protrusion assembly 7 comprises a sleeve 71, the sleeve 71 is arranged on the pressure plate 6, a T-shaped contact block 72 is connected between two sides of the inner part of the sleeve 71 in a sliding manner, an extrusion spring 73 is arranged at the top of the T-shaped contact block 72, and the top end of the extrusion spring 73 is arranged at the top of the inner wall of the sleeve 71;

the setting of extrusion spring 73 can promote T type contact piece 72 and sheet metal's surface and compress tightly fixedly, improves welded fastness, just can cushion when pressing tightly sheet metal to T type contact piece 72.

Two sides of the displacement plate 5 are respectively provided with a groove 8, one side inside the groove 8 is provided with a limiting spring 9, one end of the limiting spring 9 is provided with a clamping block 10, two sides of the inner wall of the sliding groove 4 are respectively provided with a clamping groove 11, and one side of the clamping block 10 penetrates through the clamping grooves 11 and extends into the clamping grooves 11;

the setting of spacing spring 9, when fixture block 10 slided into draw-in groove 11 inside, through spacing spring 9's resilience, it is fixed to make both carry out the joint to the position of clamp plate 6 is fixed, improves the fastness that compresses tightly.

The bottom of the fixture body 1 is rotatably connected with a rotating shaft 12, and the outer surface of the rotating shaft 12 is fixedly connected with a hinge base 13;

the rotation axis 12 and the articulated seat 13 that set up adopt prior art, only need realize the effect of overturning the anchor clamps body 1 can.

Sliding surfaces 14 for sliding the T-shaped contact blocks 72 into the holding parts are formed in the two sides of the pressing part 3;

the sliding surface 14 is provided to be capable of pressing and sliding the T-shaped contact block 72 of the plurality of pressing members into the sliding groove 4.

The clamping block 10 is matched with the clamping groove 11;

the fixture block 10 is rectangular, and the clamping groove 11 is concave in the middle and inclined at two sides, so that the fixture block 10 can slide into or out of the clamping groove 11 under the pushing of the outside.

The working principle of the pressing mechanism for the electric locomotive bogie frame welding tool fixture provided by the utility model is as follows:

when the clamps are arranged at the edges of the plurality of groups of clamps, when the excessive metal plates are compressed, the pressing plate 6 is pulled out of the sliding groove 4 by pulling the pressing plate, the clamping block 10 is driven to slide into the clamping groove 11, the clamping block 10 and the clamping groove 11 are clamped and fixed under the resilience of the limiting spring 9, and at the moment, the pulling-out position of the pressing plate 6 is fixed;

then, by starting the cylinder 2, the pressing member 3 is pushed to move downward integrally so as to be pressed on the surface of the metal plate, meanwhile, the T-shaped contact block 72 on the pressing plate is also pressed on the surface of the metal plate, the pressing spring 73 is pushed to be compressed and deformed, and then, the T-shaped contact block 72 is pressed on the surface of the metal plate through resilience of the T-shaped contact block, so that the metal plate exceeding the part is pressed.

through the piece 3 that compresses tightly that sets up, can increase the area that compresses tightly when compressing tightly sheet metal, improve the fastness that compresses tightly to through set up clamp plate 6 in compressing tightly 3, can enlarge the area that compresses tightly, compress tightly the sheet metal that surpasss the part, avoid in the welding, the slip of sheet metal spare appears, thereby reduce welding position's accuracy, and then improved hold-down mechanism's fastness and practicality.

Second embodiment

Referring to fig. 5, a second embodiment of the present application provides another clamping mechanism for a welding fixture of a bogie frame of an electric locomotive based on the clamping mechanism for a welding fixture of a bogie frame of an electric locomotive provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the pressing mechanism for the electric locomotive bogie frame welding tool fixture provided by the second embodiment of the application is different in that: the clamp comprises a clamp body 1, movable grooves 17 are formed in two sides of the interior of the clamp body 1, a rotating shaft 18 is rotatably connected between the two sides of the interior of each movable groove 17, and a guide wheel 19 is fixedly connected to the outer surface of each rotating shaft 18;

the guide wheel 19 is made of rubber and used for guiding the placed metal plate, so that the metal plate can be conveniently placed into the guide wheel, and the pressing operation is performed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an electric locomotive bogie frame hold-down mechanism for welding frock clamp which characterized in that includes:

a clamp body;

the plurality of the convex components are arranged on the pressing plate.

2. The hold-down mechanism for an electric locomotive bogie frame welding tool fixture as claimed in claim 1, wherein the protrusion assembly comprises a sleeve, the sleeve is arranged on the pressure plate, a T-shaped contact block is slidably connected between two sides of the interior of the sleeve, an extrusion spring is arranged at the top of the T-shaped contact block, and the top end of the extrusion spring is arranged at the top of the inner wall of the sleeve.

3. The pressing mechanism for an electric locomotive bogie frame welding tool fixture as claimed in claim 1, wherein both sides of the displacement plate are provided with grooves, one side inside the grooves is provided with a limiting spring, one end of the limiting spring is provided with a clamping block, both sides of the inner wall of the sliding groove are provided with clamping grooves, and one side of the clamping block penetrates through and extends to the inside of the clamping groove.

4. The pressing mechanism for an electric locomotive bogie frame welding tool fixture as claimed in claim 1, wherein a rotating shaft is rotatably connected to the bottom of the fixture body, and a hinged seat is fixedly connected to the outer surface of the rotating shaft.

5. The hold-down mechanism for the electric locomotive bogie frame welding tool fixture as recited in claim 2, wherein sliding surfaces for sliding in and accommodating the T-shaped contact block are provided on both sides of the hold-down member.

6. The clamping mechanism for an electric locomotive bogie frame welding tool fixture as recited in claim 3, wherein said clamping block is adapted to said clamping groove.

7. The hold-down mechanism for an electric locomotive bogie frame welding tool fixture as claimed in claim 1, wherein the fixture body is provided with movable grooves on both sides thereof, a rotating shaft is rotatably connected between both sides of the movable groove, and a guide wheel is fixedly connected to the outer surface of the rotating shaft.