CN212444115U - Tool for punching end wall of stainless steel city rail car body - Google Patents

Abstract

The utility model provides a frock that is used for stainless steel city railcar automobile body headwall to punch, including main body frame, sliding frame and support bracket to and punch auxiliary member location model, supplementary model and support frock. The tool for punching the end wall of the stainless steel city rail car body is accurate in punching positioning, high in product consistency and stable in quality; the stainless steel wire drawing wallboard is not damaged, and the appearance quality of the product is ensured; the flatness of the integral end wall is not affected, and the product is ensured to meet the requirements of owners; the operation is simple and convenient, the tool can be applied only by simple training, and the drilling operation is carried out by matching with a radial drilling machine; compared with integral machining, the machining method is low in cost and high in production efficiency.

Description

Tool for punching end wall of stainless steel city rail car body

Technical Field

The utility model belongs to the technical field of rail vehicle, especially, relate to a frock that is used for stainless steel city railcar automobile body headwall to punch.

Background

In the process of machining the railway vehicle, the step structure is mainly connected with the railway vehicle made of carbon steel through bolts, the step structure is connected in an arc welding mode, the inner side of the wall body is provided with fillet welds, and the side of the wall body is provided with butt welds. Each end wall with the boarding ladder has 14 boarding ladders, 28 holes are formed in all, and the requirements on the relative positions of the hole diameter and the round hole are extremely high; in order to ensure the connection strength, increase the structural rigidity and reduce the deformation of the wall board, a 4mm reinforcing plate is additionally arranged on the inner side of the wall body at the position of the opening;

the design process scheme according to the prior art has two schemes:

firstly, the holing mode of the end wall is holing by machining the end wall integrally. The scheme can completely meet the requirement of size precision, but has higher requirements on equipment, production sites, training of operators and the like, and the daily maintenance cost of the equipment is also higher. Meanwhile, after the processing equipment is put into use, the utilization rate is extremely low, and the waste of production resources is very large. On the other hand, the equipment purchasing, installing and debugging period is long, and the requirements of market change and project promotion cannot be quickly responded.

And secondly, in the manufacturing process of each part of the end wall, processing a round hole in advance, and then normally assembling, assembling and welding. This scheme almost no cost's increase, but because city railcar headwall belongs to welded structure, 6 assembly welding processes such as part trompil, widget welding are passed through in the production process, and every process all has the welding deformation of different degrees to the size precision that leads to final trompil position can't be guaranteed, and the concentric precision between each spare part trompil also can't be guaranteed. This solution is therefore not suitable for a process for manufacturing a rail vehicle body which is based on manual welding.

Disclosure of Invention

In view of this, the utility model aims at overcoming the defect that exists among the above-mentioned prior art, provides a frock that is used for stainless steel city railcar automobile body headwall to punch, accomplishes whole headwall punching operation under the condition that only uses a radial drill, guarantees the assembly precision that punches, and does not cause any damage to stainless steel drawing wire wallboard, guarantees product appearance quality.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a tool for punching a stainless steel city rail car body end wall comprises a main body frame, a sliding frame and a support bracket, wherein the main body frame is of a three-dimensional structure, the sliding frame is borne on the main body frame, and the support bracket is borne on the sliding frame;

the sliding frame slides linearly along the main body frame, a sliding stop is arranged between the sliding frame and the main body frame, a plurality of positioning columns are arranged on the sliding frame, the positioning columns are symmetrically arranged relative to the symmetrical surface of the sliding frame, and a plurality of positioning grooves matched with the positioning columns are arranged at the bottom of the supporting bracket;

the top of the support bracket is provided with a plurality of support blocks, the support blocks are matched with the bottom shape of the position of the end wall to be punched, a plurality of positioning plates for assisting the end wall in tire insertion are arranged at two adjacent side edges of the support bracket, and lifting lugs are arranged at two opposite side edges of the support bracket.

Furthermore, a plurality of sliding blocks are arranged at the bottom of the sliding frame, parallel sliding rails are arranged on two sides of the top of the main body frame, and the sliding blocks slide along the sliding rails.

Furthermore, the side department fixed mounting of sliding frame has a plurality of headwall to compress tightly the piece, it includes ejector pin and bracing piece to compress tightly the piece, the bracing piece is buckled from sliding frame's side department and is extended to sliding frame's top, the ejector pin is vertical to be revolved in the tip threaded hole of bracing piece.

Furthermore, the sliding stop is a puller bolt vertically screwed in a threaded hole of the sliding frame, and the puller bolt is positioned above the sliding rail.

Furthermore, a plurality of adjusting foot cups are arranged at the bottom of the main body frame, and the adjusting foot cups vertically rotate in supporting plate threaded holes fixedly arranged beside the main body frame supporting feet.

Further, still including the location model, the location model is the strip dull and stereotyped, and its both ends are equipped with line drawing hole and first locating hole respectively, the line drawing hole is circular through-hole, the line drawing hole includes four arc holes of through-hole and equipartition in the through-hole periphery, the arc hole is coaxial rather than the through-hole of internal week.

Further, still include the protection model, the protection model is the flat board, the one end of protection model is the rectangle guard plate, the width of guard plate is greater than the width of protection model, and the middle part of guard plate is equipped with the through-hole, the other end of protection model is equipped with the second locating hole.

Further, the supporting tool comprises a supporting tool, the supporting tool comprises a base and two top supporting plates, the base is a rectangular block, the top supporting plates are L-shaped plates and comprise vertical top plates and horizontal bottom plates, the bottom plates are fixedly assembled with the base through bolts, the positions of the two bottom plates are opposite, and the top of each top supporting plate is provided with an arc-shaped notch.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this a frock that is used for stainless steel city railcar automobile body headwall to punch, trompil location is accurate, and is no longer than 0.5mm with theoretical position deviation, and the product uniformity is high, the steady quality.

(2) This a frock for stainless steel city railcar automobile body headwall punches does not cause any damage to stainless steel wire drawing wallboard, guarantees product appearance quality.

(3) This a frock that is used for stainless steel city railcar automobile body headwall to punch does not cause the influence to whole headwall plane degree, guarantees that the product accords with the owner's requirement.

(4) This a frock for stainless steel city railcar automobile body headwall punches, easy and simple to handle, only need simple training can use above-mentioned frock, model, cooperation radial drill operation of punching.

(5) This a frock for stainless steel city railcar automobile body headwall punches, for whole machine tooling, low cost, production efficiency is high.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of the overall structure of the tool for punching the end wall of the stainless steel city rail car body according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a tool main body frame for punching a stainless steel city rail car body end wall according to the present invention;

fig. 4 is a schematic structural view of a tool sliding frame for punching a stainless steel city rail car body end wall according to the present invention;

fig. 5 is a schematic structural view of a tool support bracket for punching a stainless steel city rail car body end wall according to the present invention;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic view of the overall structure of the headwall;

FIG. 8 is a schematic view of the overall structure of the headwall;

fig. 9 is a schematic view of the overall structure of the positioning tool for end wall punching according to the present invention;

fig. 10 is a schematic view of the overall structure of the protection tool for end wall drilling according to the present invention;

fig. 11 is a schematic view of the overall structure of the support tool for assembling the boarding ladder according to the present invention;

fig. 12 is a schematic side view of a top plate of a support tool for assembling a boarding ladder according to the present invention;

fig. 13 is a schematic view of the supporting tool assembly structure for assembling the boarding ladder of the present invention.

Description of reference numerals:

1-a body frame; 11-a slide rail; 12-a leg; 13-a support plate; 14-adjusting the foot cup; 2-a sliding frame; 21-a slide block; 22-a support bar; 221-a mounting seat; 23-a mandril; 24-a puller bolt; 25-a locating post; 3-a support bracket; 31-a positioning plate; 32-a support block; 33-positioning grooves; 34-a lifting lug; 4-end wall; 5, positioning a sample plate; 51-picture hole; 52-first locating hole; 6-protection sample plate; 61-protective plate; 62-a second positioning hole; 7-a top pallet; 71-a top plate; 711-notch; 72-a base plate; 8-a base; c-the position of the open pore of the framework region; b-the location of the opening of the reinforcing area.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following examples with reference to the accompanying drawings:

as shown in fig. 1 to 13, a tool for punching a stainless steel city rail car body end wall 4 comprises a main body frame 1, a sliding frame 2 and a support bracket 3, wherein the main body frame 1 is a rectangular three-dimensional framework and is formed by welding square steel, six support legs 12 are symmetrically arranged at the lower part of the main body frame 1, horizontal support plates 13 are fixedly arranged on the side walls of the support legs 12, and vertical adjusting leg cups 14 are screwed in threaded holes of the support plates 13 and are used for integrally leveling the main body frame 1;

the sliding frame 2 is borne on the main body frame 1, the sliding frame 2 is a rectangular frame and is formed by welding square steel, four sliding blocks 21 are symmetrically arranged on two sides of the bottom of the sliding frame 2, parallel sliding rails 11 are arranged on two sides of the top of the main body frame 1, the sliding rails 11 extend along the length direction of the main body frame 1, the sliding blocks 21 are matched with the sliding rails 11 and are connected in a sliding mode, so that the sliding frame 2 can slide linearly along the sliding rails 11 and is used for adjusting the horizontal position of the sliding frame 2, a puller bolt 24 is arranged at the end part of the sliding frame 2, the puller bolt 24 is vertically screwed in a threaded hole formed in the sliding frame 2 and is suspended right above the sliding rails 11 and serves as a sliding stop structure between the sliding frame 2 and the main body frame 1 and is used for positioning the position;

four end wall 4 pressing pieces are fixedly assembled at the side edge of the sliding frame 2, each pressing piece comprises an ejector rod 23 and a supporting rod 22, each supporting rod 22 is bent from the side edge of the sliding frame 2 and extends to the position above the sliding frame 2, an inverted T-shaped mounting seat 221 is arranged at the bottom of each supporting rod 22, the supporting rods 22, the mounting seats 221 and the sliding frame 2 are fixedly assembled through bolts and nuts, and the ejector rods 23 are screwed in threaded holes at the end parts of the supporting rods 22 and vertically suspended above the sliding frame 2;

the supporting bracket 3 is supported on the sliding frame 2, the supporting bracket 3 is flat, a square frame surrounded by square steel is arranged on the periphery of the bottom of the supporting bracket 3 and used for ensuring the mechanical strength of the supporting bracket, four positioning columns 25 are arranged on the sliding frame 2, the four positioning columns 25 are symmetrically arranged relative to the symmetrical surface of the sliding frame 2, a plurality of positioning grooves 34 matched with the positioning columns 25 are arranged at the bottom of the supporting bracket 3, and the supporting bracket 3 and the sliding frame 2 are fixed in position through the positioning columns 25 and the positioning grooves 34;

the top of the support bracket 3 is provided with a plurality of support blocks 32, the support blocks 32 are matched with the bottom shape of the position to be punched of the end wall 4, and are used for providing profiling support for the end wall 4 and positioning the whole end wall 4, the support is made at the position needing punching, and the deformation caused by local extrusion of a wall plate in the punching process is prevented, so that the integral flatness of the end wall 4 is influenced;

the adjacent two sides of the support bracket 3 are provided with a plurality of positioning plates 31 for assisting the tire insertion of the end wall 4, which is convenient for the positioning of the end wall 4 when the end wall 4 is placed between the supporting blocks 32 of the support bracket 3, the two opposite sides of the support bracket 3 are provided with lifting lugs 33 for simultaneously lifting the support bracket 3 and the end wall 4 carried by the support bracket, and after rotating 180 degrees, the support bracket and the end wall are placed on the sliding frame 2 again according to the positioning columns 25 and the positioning grooves 34, so that the tool has the function of rotary adjustment;

in order to assist the end wall 4 to punch, the utility model also comprises a positioning sample plate 5, the positioning sample plate 5 is a strip-shaped flat plate, both ends of the positioning sample plate are respectively provided with a line drawing hole 51 and a first positioning hole 52, wherein the line drawing hole 51 is a circular through hole, the line drawing hole 51 comprises a through hole and four arc holes uniformly distributed on the periphery of the through hole, and the arc holes are coaxial with the through hole on the inner periphery;

the protective template is characterized by further comprising a protective template 6, wherein the protective template 6 is a flat plate, one end of the protective template 6 is a rectangular protective plate 61, the width of the protective plate 61 is larger than that of the protective template 6, a through hole is formed in the middle of the protective plate 61, and a second positioning hole 62 is formed in the other end of the protective template 6;

the supporting tool comprises a base 8 and two top supporting plates 7, wherein the base 8 is a rectangular aluminum block with standard size, the top supporting plates 7 are L-shaped plates and comprise vertical top plates 71 and horizontal bottom plates 72, the bottom plates 72 are fixedly assembled with the base 8 through bolts, the two bottom plates 72 are opposite in position, and the tops of the top supporting plates 7 are provided with arc-shaped notches 711;

the positioning sample plate 5, the protection sample plate 6 and the supporting tool are used for conveniently punching and positioning in the production process, protecting the stainless steel wire drawing plate in the punching process and assembling and positioning the pedaling ladder, so that the punching and pedaling ladder assembling precision is ensured, and meanwhile, no damage is caused to other stainless steel wire drawing plate areas.

Punching preparation work:

1. the assembling holes of the boarding ladder are distributed on the left side and the right side of the end wall 4, and the total number of the assembling holes is 28 round holes, and the diameter of the assembling holes is 16 mm; according to the structural classification, the assembly holes are generally distributed in two types of areas, one type is in the framework area, and the other type is in the reinforcement area;

2. aiming at the framework area, because the assembly precision of the pre-opening hole cannot be ensured in the manufacturing process, a round hole with the diameter of 10mm is required to be pre-opened at the assembly hole position of the boarding ladder in the manufacturing process of a single wallboard, so that the punching operation and the positioning are convenient;

3. aiming at the reinforcing area, because the structure is simpler, the assembly precision is easy to control, and therefore in the single-piece manufacturing process, round holes with the diameter of 16mm are pre-formed in the wall plate and the double-horse-leg reinforcing plate, and special positioning pins are manufactured in the assembly process so as to ensure the assembly precision.

And (3) punching:

1. hoisting the end wall 4 tool to an end wall 4 punching station, enabling a lower beam of the end wall 4 to be propped against a positioning plate 31, assisting in positioning by virtue of the positioning plate 31, and falling into a supporting block 32 to ensure that all gaps of workpieces are determined to be fully supported;

2. felt is padded between the ejector rod 23 and the end wall 4 plate to ensure that the end wall 4 plate of the stainless steel wire drawing is not damaged, the telescopic length of the ejector rod 23 is adjusted, and a workpiece is pressed tightly, as shown in figure 1;

3. a cylindrical positioning column 25 with the diameter of 15.5mm is used for penetrating and fixing a first positioning hole 52 of a positioning sample plate 5 and a pre-opened 16mm round hole of a wallboard, a small round through hole of a picture line hole 51 is aligned with a pre-opened 10mm round hole of the wallboard, and the deviation is less than 0.5 mm; drawing a positioning line on the wall plate along four arc-shaped holes in the line drawing hole 51 by using a scriber;

4. detaching the positioning sample plate 5, replacing the protection sample plate 6, aligning the through hole of the protection plate 61 with the positioning line in the same manner as the positioning, and keeping the deviation less than 0.5 mm;

5. a 16.5mm drill bit is matched by using a radial drilling machine, and punching operation is carried out on the framework area;

6. repeating the steps 3, 4 and 5 to complete the punching operation of the skeleton area at one side; if the situation that the drilling machine operation range is exceeded in the punching operation, the horizontal position of the sliding frame 2 is adjusted along the sliding rail 11, and the operation is finished;

7. a cylindrical positioning pin with the diameter of 15.5mm is used, a round hole is formed in the framework area and penetrates through a second positioning hole 62 of the protection sample plate 6, the through hole of the protection plate 61 is aligned with the existing round hole in the reinforcement area, and the deviation is smaller than 0.5 mm;

8. a radial drilling machine is used for matching a 16.5mm drill bit, and punching operation is carried out on the 'reinforced area';

9. repeating the operations of the steps 7 and 8 to complete the punching operation of the reinforcement area at the same side; if the situation that the drilling machine operation range is exceeded in the punching operation, the horizontal position of the sliding frame 2 is adjusted along the sliding rail 11, and the operation is finished;

10. checking the positioning size and the number of the round holes in the drawing, and cleaning the site after the round holes are correct;

11. a lifting hook of the four-fork lifting appliance penetrates through a lifting lug 33 on the support bracket 3 to vertically lift; rotating the support bracket 3 by 180 degrees, and dropping the support bracket 3 and the end wall 4 workpiece into the sliding frame 2 by contrasting with the positioning column 25 of the sliding frame 2;

12. repeating the 3-10 steps to complete the whole punching operation on the other side;

13. finishing the tyre removal of the end wall 4 by using a two-fork lifting appliance matched with an L-shaped profiling lifting appliance, and conveying to a step-on ladder welding station;

14. a point repairing tool falling into the end wall 4 is installed rightly, and the burr of the newly-opened round hole is trimmed and smoothened by using a milling cutter;

15. assembling the boarding ladder by using the boarding ladder assembling tool, aligning and tightly attaching the semicircular notch of the top plate 71 and the linear part of the boarding ladder, assembling the base 8 between the top plate 71 and the wall plate, and ensuring the distance between the boarding ladder and the wall surface by using the boarding ladder assembling tool, as shown in fig. 13;

16. fixedly pedaling the ladder by using MAG welding points, horizontally removing the base 8, and then dismantling the top supporting plate 7;

17. repeating the operations of 15 and 16 steps to finish the spot welding of the pedaling ladder;

18. turning over the wall plate to perform reverse fillet welding of the boarding ladder;

19. turning over the wallboard to be installed right after cooling, and welding the side butt weld of the wallboard;

20. after all the operations are finished, the tires are handed over for inspection and taken out, and the end walls 4 are stored to the designated storage places.

Note: the fixing means not explicitly described herein may be a common fixing means such as a screw connection, an adhesive, or a welding, as required.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The tool for punching the end wall of the stainless steel city rail car body is characterized by comprising a main body frame (1), a sliding frame (2) and a support bracket (3), wherein the main body frame (1) is of a three-dimensional structure, the sliding frame (2) is supported on the main body frame (1), and the support bracket (3) is supported on the sliding frame (2);

the sliding frame (2) slides linearly along the main body frame (1), a sliding stop is arranged between the sliding frame (2) and the main body frame (1), a plurality of positioning columns (25) are arranged on the sliding frame (2), the positioning columns (25) are symmetrically arranged relative to the symmetrical surface of the sliding frame (2), and a plurality of positioning grooves (34) matched with the positioning columns (25) are arranged at the bottom of the supporting bracket (3);

the tire-inserting auxiliary positioning device is characterized in that a plurality of supporting blocks (32) are arranged at the top of the supporting bracket (3), the supporting blocks (32) are matched with the bottom shapes of positions, to be punched, of the end walls (4), a plurality of positioning plates (31) for tire inserting of the end walls (4) are arranged at two adjacent side edges of the supporting bracket (3), and lifting lugs (33) are arranged at two opposite side edges of the supporting bracket (3).

2. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: the bottom of the sliding frame (2) is provided with a plurality of sliding blocks (21), two sides of the top of the main body frame (1) are provided with parallel sliding rails (11), and the sliding blocks (21) slide along the sliding rails (11).

3. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: the side department fixed mounting of sliding frame (2) has a plurality of headwalls (4) to compress tightly the piece, it includes ejector pin (23) and bracing piece (22) to compress tightly the piece, bracing piece (22) are located the bending type from the side of sliding frame (2) and are extended to the top of sliding frame (2), ejector pin (23) are vertical to be revolved in the tip threaded hole of bracing piece (22).

4. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: the sliding stop is a puller bolt (24) vertically screwed in a threaded hole of the sliding frame (2), and the puller bolt (24) is positioned above the sliding rail (11).

5. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: the bottom of the main body frame (1) is provided with a plurality of adjusting foot cups (14), and the adjusting foot cups (14) vertically rotate in threaded holes of a supporting plate (13) fixedly arranged beside the supporting feet (12) of the main body frame (1).

6. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: still including location model (5), location model (5) are the strip dull and stereotyped, and its both ends are equipped with drawing hole (51) and first locating hole (52) respectively, drawing hole (51) are circular through-hole, drawing hole (51) include through-hole and equipartition in four arc holes of through-hole periphery, the arc hole is coaxial rather than the through-hole of interior week.

7. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: still include protection model (6), protection model (6) are the flat board, the one end of protection model (6) is rectangle guard plate (61), the width of guard plate (61) is greater than the width of protection model (6), the middle part of guard plate (61) is equipped with the through-hole, the other end of protection model (6) is equipped with second locating hole (62).

8. The tool for punching the end wall of the stainless steel urban rail car body according to claim 1, is characterized in that: the supporting tool comprises a base (8) and two top supporting plates (7), the base (8) is a rectangular block, the top supporting plates (7) are L-shaped plates and comprise vertical top plates (71) and horizontal bottom plates (72), the bottom plates (72) are fixedly assembled with the base (8) through bolts, the positions of the bottom plates (72) are opposite, and arc-shaped notches (711) are arranged at the tops of the top supporting plates (7).

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