CN211248940U - General frock of little calotte assembly welding of roof - Google Patents

Abstract

The utility model discloses a general frock of assembly welding of small dome on roof, including frame, supporting seat, machine of shifting and establishing the pneumatic closing device of limit portion, end spacing, end closing device and the profile modeling piece on the frame, the supporting seat is established at the both ends of frame, the machine of shifting makes the frame overturn on the supporting seat and realizes the welding of just installing upside down of small dome; the end head pressing devices are arranged on the frame and at two ends of the small dome section to be placed, and the end heads are limited at one end of the frame and at the inner sides of the end head pressing devices; pneumatic closing device of limit portion adopts cylinder and mechanical system to combine to compress tightly little calotte from front and side respectively, and the profile modeling piece supports little calotte section bar and the cooperation of the pneumatic closing device of limit portion, and the profile modeling piece is established to the separation and is dismantled, height-adjustable festival formula structure. The utility model has the advantages of strong commonality, good reliability, convenient use, simple maintenance, compact structure, low cost and high efficiency.

Description

General frock of little calotte assembly welding of roof

Technical Field

The utility model is used for the equipment of monorail car roof calotte and welding, concretely relates to general frock of little calotte equipment welding of roof.

Background

The small dome of the single-rail car roof is formed by assembling and welding three aluminum alloy sections, and the single section is of an integrally extruded section structure and has a profile degree, so that the product quality cannot be guaranteed according to a common assembling and welding mode.

In the welding process of the small dome on the roof in the field of railway vehicle industry, the welding process is currently performed by firstly performing positioning welding and then performing full welding. Spot welding is used to locate the position of the part. The manual butt joint mode is adopted in the past, the butt joint mode easily causes errors in the size of a product in the butt joint process, the mode in the later stage causes great welding deformation to a small roof dome during full welding, welding and product quality are affected, potential risks of vehicle quality problems are caused, production efficiency is low, and operation is inconvenient.

Therefore, in order to control welding deformation and ensure product size as much as possible, a tool suitable for production and assembly welding of the small roof dome is urgently needed to be designed and manufactured.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a commonality is strong, good reliability, convenient to use, maintain simple, compact structure, low cost, efficient monorail car roof calotte equipment and integrative assembly welding frock of welding, and roof calotte assembly welding is general frock promptly, can improve product quality and production efficiency effectively.

The utility model provides a technical scheme that its technical problem adopted is:

the general tool for assembling and welding the small dome on the roof comprises a frame, a supporting seat, a position changer, an edge pneumatic pressing device, an end limiting device, an end pressing device and a profiling block, wherein the edge pneumatic pressing device, the end limiting device, the end pressing device and the profiling block are arranged on the frame; the end head pressing devices are arranged on the frame and at two ends of the small dome section to be placed, and the end heads are limited at one end of the frame and at the inner sides of the end head pressing devices; pneumatic closing device of limit portion adopts cylinder and mechanical system to combine to compress tightly little calotte from front and side respectively, and a plurality of profile modeling pieces support little calotte section bar and limit portion pneumatic closing device cooperation, and the profile modeling piece is established to the separation and is dismantled, height-adjustable festival formula structure.

Furthermore, the profile blocks are arranged below the single section bars of the small domes and are matched with the profile degrees of the small domes; the profiling block comprises a first height adjusting bolt, an adjusting track, a base, a supporting plate and a second height adjusting bolt, the base is fixedly arranged on the frame, the second height adjusting bolt capable of adjusting the height up and down is vertically arranged on the base, the supporting plate is arranged at the top end of the second height adjusting bolt, and the top end of the supporting plate is in fit contact with the small circular top section; be equipped with fore-and-aft regulation track in the backup pad, be equipped with first height control bolt in the regulation track, first height control bolt can slide from top to bottom in adjusting the track when unscrewing, realizes the altitude mixture control of backup pad.

Furthermore, the edge pneumatic pressing device comprises an air cylinder, a first rotating shaft, an extension arm, a first side face pressing screw rod and a first pressing head, the bottom of the edge pneumatic pressing device is fixed on the side face of the frame, the first side face pressing screw rod is connected and matched with the first pressing head, and pressing can be carried out on the side face of the small dome section bar through mechanical pressing; the extension arm cover is established on first rotation axis, is equipped with cylinder and first pressure head on the extension arm, and the cylinder drives the front direct contact of first pressure head and small circle top section bar and compresses tightly, and first rotation axis can make 360 circumference rotations of first pressure head.

Furthermore, a plurality of end pressing devices are respectively arranged at two ends of the frame, and a group of the end pressing devices can be additionally arranged on the frame according to the length of the small dome-shaped section.

Furthermore, the end head pressing device comprises a base, a second side face pressing screw rod, a second rotating shaft, a front face pressing screw rod and a second pressing head, the base is fixedly connected with the frame, the second side face pressing screw rod and the front face pressing screw rod are respectively provided with the matched second pressing heads, and the side faces and the front faces of the end parts of the small dome-shaped sections can be pressed and fixed through mechanical pressing; the second rotating shaft can enable the front face jacking screw to rotate in the circumferential direction of a 360-degree plane above the tool.

Furthermore, the pressure heads of the edge pneumatic pressing device and the end pressing device and the profiling block are made of aluminum alloy.

The utility model has the advantages of as follows:

(1) the pressing device adopts a pneumatic pressing device to be matched and pressed with the adjustable profiling block, so that the product deformation caused by welding can be well controlled; compared with the traditional mechanical pressing device, the pressing device is simple to operate, convenient and quick, and more accurate in acting point and pressing force than the mechanical pressing device;

(2) the traditional tool contour block is designed into an integrated non-detachable and height-adjustable structure, and the tool needs to be manufactured again if the section of a product, the size of the product and the welding reverse deformation amount are changed; the profiling block in the tool is of a separated detachable single-piece height adjustable structural design, the tool can meet roof side beams with different sections, sizes and anti-deformation amounts by replacing and adjusting the profiling device, and the cost, the field and the manufacturing period of the tool are greatly saved.

(3) Traditional calotte assembly welding frock is fixed structural design, and the main part is nonrotatable, can not satisfy according to the demand of the angle of regulation of welding different welding position, and this frock adopts the machine of shifting to adjust the machine of shifting according to welded position demand and reaches the welding position of ideal.

(4) According to the design of a traditional tool, a dome assembly welding tool is divided into a forward assembly tool and a backward assembly tool, and the two tools are both special tools (as shown in figure 1, the conventional dome backward assembly welding tool is similar to the forward assembly welding tool). This frock integration is just adorned and is turned over and adorned in an organic whole, and a frock just can realize switching just to adorn and turn over the dress through controlling electronic machine turning device that shifts, has practiced thrift the place.

(5) The profiling block and the pressing head of the tool are both of high-quality aluminum alloy structures, so that the durability of the tool can be guaranteed, and a series of quality problems such as scratch and corrosion of a contact surface of the tool and a product due to too high hardness of the material can be avoided.

Drawings

FIG. 1 is a schematic view of a conventional dome reverse assembly welding tool;

FIG. 2 is a side view of the tool of the present invention;

FIG. 3 is a schematic view of a pneumatic hold-down device;

FIG. 4 is a schematic view of a tip holding down device;

fig. 5 is a schematic view of the pneumatic pressing device of the tool of the present invention when opened;

FIG. 6 is a schematic view of the front side welding of a small dome on the tool of the present invention;

FIG. 7 is a schematic view of a small dome welded to the upper and lower sides of the tool of the present invention;

FIG. 8 is a schematic view of a profiling block;

wherein, 1-frame; 2-a support seat; 3-a position changing machine; 4-edge pneumatic pressing device, 41-air cylinder, 42-first rotating shaft, 43-extension arm, 44-first side face jacking screw, 45-first aluminum alloy pressing head, and 46-pressing device reverse structure; 5-end limiting; 6-an end head pressing device, 61-a base, 62-a second side face jacking screw rod, 63-a second rotating shaft, 64-a front face jacking screw rod and 65-a second aluminum alloy pressure head; 7-a profiling block, 71-a first height adjusting bolt, 72-a height adjusting gap, 73-a base, 74-a support plate, 75-a second height adjusting bolt; a-small dome profile.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

The general tool for assembling and welding the small roof dome comprises a frame 1, a supporting seat 2, a positioner 3, an edge pneumatic pressing device 4, an end limit 5, an end pressing device 6 and a profiling block 7;

wherein, frame 1 is as the base plate, and pneumatic closing device 4 of limit portion, the end is spacing 5, end closing device 6 and contour block 7 all set up on frame 1, and the both ends protrusion of frame 1 is equipped with the rotation axis portion, and the rotation axis portion erects on two supporting seats 2, and positioner 3 is connected with the rotation axis portion, and positioner 3 can make frame 1 upset 180, and the end connection of positioner 3 and frame 1 can make whole frock overturn realization small circle top just anti-dress welding on supporting seat 2 promptly.

As shown in fig. 4, a plurality of end pressing devices 6 are respectively arranged at two ends of the frame 1, and a group of a plurality of end pressing devices 6 can be additionally arranged on the frame 1 according to the length of the small circular top section bar a. The end head pressing device 6 comprises a base 61, a second side face jacking screw rod 62, a second rotating shaft 63, a front face jacking screw rod 64 and a second aluminum alloy pressing head 65, the base 61 is fixedly connected with the frame 1, the second side face jacking screw rod 62 and the front face jacking screw rod 64 are respectively provided with the second aluminum alloy pressing head 65, and the small dome section bar A can be pressed and fixed from the side face and the front face of the end part through mechanical jacking; the second rotation axis 63 enables the front tightening screw 64 to rotate circumferentially in a 360 plane above the tool.

An end limit 5 is arranged at one end of the frame 1 and at the inner side of each end pressing device, and the end limit 5 can enable each small circular top section A to be aligned at the end.

As shown in fig. 3, a plurality of edge pneumatic pressing devices 4 are respectively arranged on two sides of the frame 1, each edge pneumatic pressing device 4 comprises a cylinder 41, a first rotating shaft 42, an extension arm 43, a first side face jacking screw 44 and a first aluminum alloy pressure head 45, and the bottoms of the edge pneumatic pressing devices 4 are fixed on two sides of the frame 1; the first side face jacking screw 44 is connected and matched with the first aluminum alloy pressure head 45 thereof, and can be pressed and fixed from the side face of the small dome section A through mechanical jacking; an extension arm 43 and a first rotating shaft 42 are arranged above the first side face jacking screw 44 and the first aluminum alloy pressure head 45, the extension arm 43 is sleeved on the first rotating shaft 42, and the first rotating shaft 42 can enable the first aluminum alloy pressure head 45 matched with the lower portion of the air cylinder 41 to rotate circumferentially by 360 degrees. Be equipped with cylinder 41 on the extension arm 43, cylinder 41 has first aluminum alloy pressure head 45, drives first aluminum alloy pressure head 45 and the positive direct contact of small circle top section bar A and compresses tightly through cylinder 41, and it is simple operation, impetus, the dynamics of compressing tightly more accurate to compress tightly than machinery.

As shown in fig. 8, a plurality of profiling blocks 7 are arranged on the frame 1, the profiling blocks 7 support the small dome-shaped section bar a on the frame 1, and the profiling blocks 7 are matched and pressed with the pneumatic pressing device 4 on the edge part, so that the deformation caused by welding can be well controlled. Each group of the contour blocks 7 is arranged below the single small circular top section bar A and is matched with the profile of the small circular top section bar A. The contour block 7 comprises a first height adjusting bolt 71, a height adjusting notch 72, a base 73, a supporting plate 74 and a second height adjusting bolt 75, the base 73 is fixedly arranged on the frame 1, the second height adjusting bolt 75 is arranged on the base 73, the second height adjusting bolt 75 can be adjusted in height up and down, the supporting plate 74 is arranged at the top end of the second height adjusting bolt 75, and the top end of the supporting plate 74 is in fit contact with the small circular top section bar A. The supporting plate 74 is provided with a longitudinal height adjusting gap 72, a first height adjusting bolt 71 is arranged in the height adjusting gap 72, and the first height adjusting bolt 71 can slide in the height adjusting gap 72 when being unscrewed, so that the height adjustment of the supporting plate 74 is realized.

The assembly welding process of the small dome of the roof by using the universal assembly welding tool for the small dome of the roof of the embodiment is as follows:

(1) opening the pneumatic pressing device 4 and the end pressing device 6 at the edge part of the tool completely, as shown in fig. 5;

(2) and (4) hoisting three aluminum alloy sections required by the small dome assembly welding to a small dome assembly welding tool. And assembling according to the size required by the drawing, and aligning the end section by taking an end limiting block (end limiting 5) at one end of the upper surface of the tool as a reference. The control cylinder 41 drives the edge pneumatic pressing device 4 to press the edge. And after the compaction is finished, the front and the back of the small dome are subjected to positioning welding. And after the positioning welding is finished, performing full welding operation on the front surface according to the assembly welding process file, as shown in fig. 6.

(3) As shown in fig. 7, after the front welding is completed, the tooling positioner 3 is controlled to turn 180 °. The back side is arranged on the upper side, and full welding operation is carried out on the back side according to assembly welding operation instruction. After the welding of the back side is finished, all the pressing devices can be loosened after the product is slowly cooled to the ambient temperature, and the product is hung and transferred to a product storage place.

Maintenance description of the general tool for assembling and welding the small roof dome of the embodiment: cleaning each positioning surface in time, dripping machine oil for lubrication before each work of the screw rod in each rotating shaft and the pressure head assembly. The fasteners are checked once or twice a week, and if loosened, the fasteners are fastened in time. The assembly welding tool cannot store irrelevant parts, collision is prevented during assembly and disassembly, and timely maintenance is carried out if the assembly welding tool is damaged.

The above description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention. 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 (6)

1. The general tool for assembling and welding the small dome on the roof is characterized by comprising a frame, a supporting seat, a position changer, an edge pneumatic pressing device, an end limiting device, an end pressing device and a profiling block, wherein the edge pneumatic pressing device, the end limiting device, the end pressing device and the profiling block are arranged on the frame; the end head pressing devices are arranged on the frame and at two ends of the small dome section to be placed, and the end heads are limited at one end of the frame and at the inner sides of the end head pressing devices; pneumatic closing device of limit portion adopts cylinder and mechanical system to combine to compress tightly little calotte from front and side respectively, and a plurality of profile modeling pieces support little calotte section bar and limit portion pneumatic closing device cooperation, and the profile modeling piece is established to the separation and is dismantled, height-adjustable festival formula structure.

2. The general tool for assembling and welding the small roof dome as claimed in claim 1, wherein the contour block is arranged below a single section bar of the small dome and is matched with the profile of the small dome; the profiling block comprises a first height adjusting bolt, an adjusting track, a base, a supporting plate and a second height adjusting bolt, the base is fixedly arranged on the frame, the second height adjusting bolt capable of adjusting the height up and down is vertically arranged on the base, the supporting plate is arranged at the top end of the second height adjusting bolt, and the top end of the supporting plate is in fit contact with the small circular top section; be equipped with fore-and-aft regulation track in the backup pad, be equipped with first height control bolt in the regulation track, first height control bolt can slide from top to bottom in adjusting the track when unscrewing, realizes the altitude mixture control of backup pad.

3. The general tool for assembling and welding the small roof dome as claimed in claim 1 or 2, wherein the edge pneumatic pressing device comprises an air cylinder, a first rotating shaft, an extension arm, a first side pressing screw rod and a first pressing head, the bottom of the edge pneumatic pressing device is fixed on the side surface of the frame, the first side pressing screw rod is connected and matched with the first pressing head, and the side surface of the small dome profile can be pressed tightly through mechanical pressing; the extension arm cover is established on first rotation axis, is equipped with cylinder and first pressure head on the extension arm, and the cylinder drives the front direct contact of first pressure head and small circle top section bar and compresses tightly, and first rotation axis can make 360 circumference rotations of first pressure head.

4. The general tool for assembling and welding the small roof dome as claimed in claim 1 or 2, wherein a plurality of the end pressing devices are respectively arranged at two ends of the frame, and a group of the plurality of the end pressing devices can be additionally arranged on the frame according to the length of the small dome section.

5. The general tool for assembling and welding the small roof dome as claimed in claim 4, wherein the end pressing device comprises a base, a second side pressing screw, a second rotating shaft, a front pressing screw and a second pressing head, the base is fixedly connected with the frame, the second side pressing screw and the front pressing screw are respectively provided with the matched second pressing heads, and the side faces and the front faces of the end parts of the small dome profiles can be pressed and fixed through mechanical pressing; the second rotating shaft can enable the front face jacking screw to rotate in the circumferential direction of a 360-degree plane above the tool.

6. The general tool for assembling and welding the small roof dome as claimed in claim 1 or 2, wherein the pressure heads of the edge pneumatic pressing device and the end pressing device and the contour block are made of aluminum alloy.

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