CN111745437A - Universal tool for machining thin-wall bogie apron plate aluminum profiles - Google Patents

Universal tool for machining thin-wall bogie apron plate aluminum profiles Download PDF

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Publication number
CN111745437A
CN111745437A CN202010775615.7A CN202010775615A CN111745437A CN 111745437 A CN111745437 A CN 111745437A CN 202010775615 A CN202010775615 A CN 202010775615A CN 111745437 A CN111745437 A CN 111745437A
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CN
China
Prior art keywords
positioning
bogie
plate
supporting
bogie apron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010775615.7A
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Chinese (zh)
Inventor
于立强
王瑞馥
王相龙
刘文钰
马超芳
陈勇
海永富
闫娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Changchun Railway Vehicles Co Ltd
Original Assignee
Changchun CRRC Changke Mould Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun CRRC Changke Mould Co Ltd filed Critical Changchun CRRC Changke Mould Co Ltd
Priority to CN202010775615.7A priority Critical patent/CN111745437A/en
Publication of CN111745437A publication Critical patent/CN111745437A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50Other details
    • B61F5/52Bogie frames

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a thin-wall universal tooling for machining an aluminum profile of a bogie apron plate, which comprises a bottom plate, a positioning strip, a bogie apron plate outer surface supporting and positioning mechanism and a bogie apron plate inner surface pressing and positioning mechanism, wherein the bottom plate is provided with a positioning strip; the supporting and positioning mechanism on the outer surface of the bogie apron board is provided with a first nylon cushion block; the inner surface of the bogie apron plate is pressed and positioned by the positioning mechanism and is provided with a second nylon cushion block; and a positioning space of the bogie apron board is formed between the first nylon cushion block and the second nylon cushion block. The tool is used for clamping, positioning and fixing the bogie apron plate through the support positioning mechanism on the outer surface of the bogie apron plate and the pressing and positioning mechanism on the inner surface of the bogie apron plate, and meanwhile, the support positioning mechanism and the pressing and positioning mechanism are respectively provided with the first nylon cushion block and the second nylon cushion block, so that when the bogie apron plate is in contact, the surface type matching of the bogie apron plate is ensured, the damping effect of the nylon cushion blocks can be utilized to reduce the damage to the bogie apron plate, and the product quality is improved.

Description

Universal tool for machining thin-wall bogie apron plate aluminum profiles
Technical Field
The invention relates to the technical field of high-speed motor train unit part machining, in particular to a universal tool for machining thin-wall bogie apron plate aluminum profiles.
Background
A bogie apron board of a high-speed motor train unit is an outer leakage piece wrapping a motor train unit bottom bogie, has smooth radian of the motor train unit, and is provided with various holes such as observation windows, water injection ports and the like. Unlike other skirts, the bogie skirts are of a single-layer construction and have lower strength than other types of skirts. According to traditional skirtboard mode of processing, vibrations are great in the course of working, produce strong noise, and difficult clamping produces the deformation easily.
The first mode in the prior art is to position and fix the bogie apron board by adopting a simple cushion block, a pressing plate and a screw rod matching mode; because the bogie apron board is a circular arc curved surface, the suggested cushion block applying the following contour is actually in line contact, and the clamping area is small. The deformation is easily generated when the stress is too large, the manufacturability is poor, and the deformation is large in the processing process. The number of the processing parts of the workpiece is large, the clamping mode needs to be changed, and then clamping, alignment and processing are carried out again, so that the die changing time is wasted, and the secondary alignment processing precision is difficult to guarantee; the clamping area is too small in the mode, the clamping is not firm, the workpiece is easy to move during processing, irreparable defects such as cutter gnawing and the like are formed, and waste products are generated. And severe noise is generated in this way and cannot be effectively solved.
The second mode in the prior art is to reduce noise by adding a sound-proof cover to the machine tool, but the cost of adding the sound-proof cover is high, and the cost is increased by tens of thousands or even hundreds of thousands according to the size of the machine tool; the soundproof cover is arranged in a working room, so that the workpiece is inconvenient to observe, the machining usually uses cooling medium to cool the cutter and the workpiece, and the soundproof cover is polluted by cooling liquid or oil to influence the observation and monitoring of the machining process. The processing efficiency is reduced, the soundproof cover can be sealed as much as possible, and the clamping and hanging-unloading efficiency is affected.
Based on the technical problems, a person skilled in the art needs to develop a novel universal tool for machining thin-wall type bogie apron plate aluminum profiles urgently.
Disclosure of Invention
The invention aims to provide a universal tool for machining thin-wall bogie apron plate aluminum profiles, which reduces vibration, reduces noise, is convenient to operate and reduces the time for changing the profiles so as to improve the working efficiency.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention discloses a general tool for processing thin-wall bogie apron plate aluminum profiles, which comprises:
a base plate;
the positioning strip extends along the length direction of the bottom plate and is fixedly connected with the bottom plate, and a positioning sliding groove is formed in the positioning strip along the extending direction of the positioning strip;
the outer surface of the steering frame apron board supports the positioning mechanism; and
the inner surface of the skirt board of the bogie is pressed and held by the positioning mechanism;
the outer surface supporting and positioning mechanism of the steering frame apron plate is provided with a first nylon cushion block which is in contact with the outer surface of the steering frame apron plate and is matched with the outer surface of the steering frame apron plate in shape;
the inner surface pressing and positioning mechanism of the steering frame skirt plate is provided with a second nylon cushion block which is in contact with the inner surface of the steering frame skirt plate and is matched with the inner surface of the steering frame skirt plate in a surface type;
a positioning space of the bogie apron board is formed between the first nylon cushion block and the second nylon cushion block;
the outer surface supporting and positioning mechanism of the bogie apron plate is provided with a plurality of groups of supporting and positioning assemblies, and the supporting and positioning assemblies and the positioning strips are connected to the positioning sliding grooves in a sliding manner;
the support positioning assembly slides along the positioning chute to adjust the relative distance to adapt to bogie skirts of different lengths.
Further, the supporting and positioning assembly comprises:
the bottom cross beam extends along the width direction of the base and is in contact with the positioning strip;
a plurality of supporting beams are arranged along the length direction of the bottom cross beam at intervals, the heights of the supporting beams are gradually reduced, and the upper ends of the supporting beams are supported by the first nylon cushion blocks;
the first nylon cushion block is of an arc structure matched with the surface of the outer surface of the steering frame apron board through a plurality of supporting beams with gradually reduced heights;
the support positioning assembly further comprises:
and the limiting structure is in contact with the bottom cross beam and limits the movement of the supporting and positioning assembly.
Furthermore, the limiting structure comprises a bottom pressing plate;
the bottom pressing plate is connected with a bottom pressing plate sliding block through a bottom pressing plate bolt, and the bottom pressing plate sliding block is arranged at the bottom of the positioning strip;
the bottom pressing plate is fixedly connected with the positioning strip through a bottom pressing plate screw;
two bottom pressing plates are symmetrically arranged on two sides of the bottom cross beam, and the bottom cross beam is clamped by the two bottom pressing plates to limit the movement of the supporting and positioning assembly.
Furthermore, the limiting structure comprises a positioning block;
the positioning block is arranged at the bottom of the end part of the bottom cross beam and is provided with a reinforcing rib contacting with the side surface of the bottom cross beam.
Further, one side of the bottom plate is provided with a side top support;
a side supporting bolt is arranged at one end of the bottom cross beam close to the side top supporting piece along the axial direction of the bottom cross beam;
the side supporting bolt extends out and contacts the side top supporting piece;
the side support bolt is provided with a side support nut.
Further, the inner surface pressing and positioning mechanism of the bogie apron plate comprises pressing and positioning assemblies with the number consistent with that of the supporting and positioning assemblies.
Further, the pressure holding positioning component comprises:
the second nylon cushion block;
a top pressure plate for pressing the second nylon cushion block;
a top pressure plate screw rod is arranged at one end, far away from the second nylon cushion block, of the top pressure plate, and the upper end of the top pressure plate screw rod is fixedly connected with the top pressure plate through a top pressure plate nut and a top pressure plate gasket;
and the top pressing plate is formed by a top pressing plate thread rod to press and hold the second nylon cushion block.
Furthermore, the bottom plate is integrated with a hanging ring.
Further, a machine tool for machining the bogie apron board is provided with two sets of the universal tools;
and each set of the universal tooling is respectively clamped with one bogie apron board.
In the technical scheme, the universal tool for machining the thin-wall bogie apron plate aluminum profile provided by the invention has the following beneficial effects:
the tool is used for clamping, positioning and fixing the bogie apron plate through the support positioning mechanism on the outer surface of the bogie apron plate and the pressing and positioning mechanism on the inner surface of the bogie apron plate, and meanwhile, the support positioning mechanism and the pressing and positioning mechanism are respectively provided with the first nylon cushion block and the second nylon cushion block, so that when the bogie apron plate is in contact, the surface type matching of the bogie apron plate is ensured, the damping effect of the nylon cushion blocks can be utilized to reduce the damage to the bogie apron plate, and the product quality is improved.
According to the tool, the limiting structure is designed at the lower part of the supporting and positioning mechanism on the outer surface of the bogie apron board, so that the workpiece alignment time can be reduced, the phenomenon of position leaping in the workpiece machining process is prevented, and the machining quality is ensured.
The fixture clamps the bogie apron plate by the combined action of the bogie apron plate outer surface supporting and positioning mechanism and the bogie apron plate inner surface pressing and positioning mechanism, so that the clamping stability can be improved, and the qualification condition of the supplied materials of workpieces can be checked.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of a prior art truck skirt panel construction;
FIG. 2 is a schematic structural diagram of a general tooling for machining a thin-wall bogie apron plate aluminum profile provided by an embodiment of the invention;
fig. 3 is an enlarged structural view of a supporting and positioning assembly of the thin-wall bogie apron plate aluminum profile machining universal tool provided by the embodiment of the invention;
fig. 4 is an enlarged structural view of a clamping and positioning assembly of the thin-wall bogie apron plate aluminum profile machining universal tool provided by the embodiment of the invention;
fig. 5 is a schematic structural view of a working state of the universal tool for machining the thin-wall bogie apron plate aluminum profile provided by the embodiment of the invention.
Description of reference numerals:
1. a base plate; 2. a positioning bar; 3. supporting and positioning the assembly; 4. pressing and holding the positioning component; 10. a bogie apron board;
101. a hoisting ring; 102. a side top support;
201. positioning the chute;
301. a bottom cross member; 302. a support beam; 303. a first nylon cushion block; 304. a side support bolt; 305. a side support nut;
401. a bottom platen; 402. a bottom platen slide block; 403. a bottom platen screw; 404. a bottom platen bolt; 405. positioning blocks; 406. reinforcing ribs;
501. a top platen; 502. a second nylon cushion block; 503. a top platen screw; 504. a top platen nut; 505. a top platen gasket;
1001. an outer surface of a bogie apron plate; 1002. bogie apron internal surface.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 2-5;
the invention discloses a general tool for processing thin-wall bogie apron plate aluminum profiles, which comprises:
a base plate 1;
the positioning strip 2 extends along the length direction of the bottom plate 1 and is fixedly connected with the bottom plate 1, and a positioning sliding groove 201 is formed in the positioning strip 2 along the extending direction;
the outer surface of the steering frame apron board supports the positioning mechanism; and
the inner surface of the skirt board of the bogie is pressed and held by the positioning mechanism;
the bogie apron plate outer surface supporting and positioning mechanism is provided with a first nylon cushion block 303 which is in contact with the bogie apron plate outer surface 1001 and is matched with the surface of the bogie apron plate outer surface 1001;
the bogie apron plate inner surface pressing and positioning mechanism is provided with a second nylon cushion block 502 which is in contact with the bogie apron plate inner surface 1002 and is matched with the surface type of the bogie apron plate inner surface 1002;
a positioning space of the bogie apron plate 10 is formed between the first nylon cushion block 303 and the second nylon cushion block 502;
the supporting and positioning mechanism on the outer surface of the bogie apron board is provided with a plurality of groups of supporting and positioning components 3, and the supporting and positioning components 3 and the positioning strips 2 are connected to the positioning sliding grooves 201 in a sliding manner;
the support and locating assembly 3 slides along the locating slide channel 201 to adjust the relative distance to suit bogie skirts 10 of different lengths.
Specifically, this embodiment discloses a be applied to commonality frock of thin wall type bogie skirtboard location, it uses the bottom plate as the basis, it is integrated with bogie skirtboard surface support positioning mechanism and bogie skirtboard internal surface pressure to hold positioning mechanism on it, form the centre gripping location of bogie skirtboard 10 through the cooperation of two sets of positioning mechanism, simultaneously, consider the vibration problem, the one end that bogie skirtboard surface support positioning mechanism and bogie skirtboard contact of this embodiment has first nylon cushion 303, and bogie skirtboard internal surface pressure is held positioning mechanism and is pressed and is held bogie skirtboard 10 one end and adopt second nylon cushion 502, play certain cushioning effect through the elasticity of nylon cushion. Meanwhile, in order to be used for positioning bogie skirting boards 10 with different lengths, the bottom plate 1 of the embodiment is provided with the positioning strip 2, the relative distance of the supporting and positioning assembly 3 is adjusted through the sliding positioning relation between the bogie skirting board outer surface supporting and positioning mechanism and the positioning strip 2, so that the bogie skirting boards 10 with different lengths can be clamped, and the universality is better.
Preferably, the supporting and positioning assembly 3 in this embodiment includes:
a bottom cross member 301 extending in the width direction of the base 1 and contacting the positioning bar 2;
a plurality of support beams 302 are arranged at intervals along the length direction of the bottom cross beam 301, the heights of the support beams 302 are gradually reduced, and the upper ends of the support beams 302 are supported by first nylon cushion blocks 303;
the first nylon cushion block 303 is formed into an arc-shaped structure matched with the surface type of the outer surface 1001 of the skirting board of the bogie through a plurality of support beams 302 with gradually reduced heights;
the supporting and positioning assembly 3 further comprises:
and a limiting structure which is contacted with the bottom cross beam 301 and limits the movement of the supporting and positioning component 3.
The present embodiment describes the structure of the supporting and positioning components 3 in detail, wherein the fixture can design any set of supporting and positioning components 3 according to the supporting requirements of the bogie apron board 10, and generally speaking, it is preferable that three sets of supporting and positioning components 3 are required for supporting the bogie apron board 10, two ends of each supporting component support one set, and the middle of each supporting component supports another set, so as to improve the structural stability of supporting and positioning. According to the surface type of the bogie apron board 10, support beams with different heights are designed, the first nylon cushion block 303 is supported by a plurality of support beams 302, and the bottom cross beam 301 is used as a connecting part with the positioning strip 2, so that the support positioning assembly 303 is fixed at a designated position.
More preferably:
the limiting structure comprises a bottom pressing plate 401;
the bottom pressing plate 401 is connected with a bottom pressing plate sliding block 402 through a bottom pressing plate bolt 404, and the bottom pressing plate sliding block 402 is arranged at the bottom of the positioning strip 2;
the bottom pressing plate 401 is fixedly connected with the positioning strip 2 through a bottom pressing plate screw 403;
two bottom pressing plates 401 are symmetrically arranged on two sides of the bottom cross beam 301, and the two bottom pressing plates 401 clamp the bottom cross beam 301 to limit the movement of the supporting and positioning assembly 3.
More preferably:
the limiting structure comprises a positioning block 405;
the locating block 405 is placed at the bottom of the end of the bottom rail 301 and the locating block 405 has a rib 406 that contacts the side of the bottom rail 301.
The positioning effect of the bottom cross beam 301 can be improved through the combined action of the bottom pressing plate 401 and the positioning block 405, and the problem that the product quality is affected due to the fact that the bottom cross beam 301 shifts during operation is avoided.
Preferably, one side of the bottom plate 1 in the embodiment is provided with a side top support 102;
a side supporting bolt 304 is arranged at one end of the bottom cross beam 301 close to the side top supporting piece 102 along the axial direction of the bottom cross beam 301;
the side support bolts 304 extend out and contact the side top support 102;
the side support bolt 304 has a side support nut 305 thereon.
The side top supporting piece 102 is integrated on the side surface of the universal tool in the embodiment, and the side top supporting piece 102 is used for limiting the axial movement of the bottom cross beam 301, so that the positioning effect is further improved.
Preferably, the pressing and positioning mechanism for the inner surface of the apron board of the bogie in the embodiment comprises a number of pressing and positioning assemblies 5 which is consistent with the number of supporting and positioning assemblies 3.
Wherein, the above-mentioned pressing and positioning assembly 5 includes:
a second nylon spacer block 502;
a top press plate 501 for pressing a second nylon cushion block 502;
a top pressing plate screw rod 503 is mounted at one end of the top pressing plate 501, which is far away from the second nylon cushion block 502, and the upper end of the top pressing plate screw rod 503 is fixedly connected with the top pressing plate 501 through a top pressing plate nut 504 and a top pressing plate gasket 505;
the top pressing plate 501 presses the second nylon cushion block 502 through a top pressing plate screw 503.
In order to conveniently transport the tool, the bottom plate is integrated with a lifting ring.
In actual operation, a machine tool for machining the bogie apron board 10 is provided with two sets of the universal tools; each set of universal tooling is respectively clamped with a bogie apron board 10. When the bogie apron board 10 clamped on one set of tool is machined, the bogie apron board 10 clamped on the other set of tool waits for machining, so that the machining efficiency is improved.
In the technical scheme, the universal tool for machining the thin-wall bogie apron plate aluminum profile provided by the invention has the following beneficial effects:
the fixture is used for clamping, positioning and fixing the bogie apron board 10 through the support positioning mechanism on the outer surface of the bogie apron board and the pressing and positioning mechanism on the inner surface of the bogie apron board, and meanwhile, the first nylon cushion block 303 and the second nylon cushion block 502 are respectively arranged on the bogie apron board 10 and the support positioning mechanism, so that when the bogie apron board 10 is in contact, the surface type matching of the bogie apron board 10 is ensured, the damping effect of the nylon cushion blocks can be utilized to reduce the damage to the bogie apron board 10, and the product quality is improved.
According to the tool, the limiting structure is designed at the lower part of the supporting and positioning mechanism on the outer surface of the bogie apron board, so that the workpiece alignment time can be reduced, the phenomenon of position leaping in the workpiece machining process is prevented, and the machining quality is ensured.
The fixture clamps the bogie apron board 10 by the combined action of the bogie apron board outer surface supporting and positioning mechanism and the bogie apron board inner surface pressing and positioning mechanism, so that the clamping stability can be improved, and the qualification condition of the supplied materials of workpieces can be checked.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (9)

1. General frock of thin wall type bogie skirtboard aluminium alloy processing, its characterized in that, this frock includes:
a base plate (1);
the positioning strip (2) extends along the length direction of the bottom plate (1) and is fixedly connected with the bottom plate (1), and a positioning sliding groove (201) is formed in the positioning strip (2) along the extending direction;
the outer surface of the steering frame apron board supports the positioning mechanism; and
the inner surface of the skirt board of the bogie is pressed and held by the positioning mechanism;
the bogie apron outer surface supporting and positioning mechanism is provided with a first nylon cushion block (303) which is in contact with a bogie apron outer surface (1001) and is matched with the surface type of the bogie apron outer surface (1001);
the inner surface pressing and positioning mechanism of the bogie apron plate is provided with a second nylon cushion block (502) which is in contact with the inner surface (1002) of the bogie apron plate and is matched with the inner surface (1002) of the bogie apron plate in a surface type;
a positioning space of the bogie apron board (10) is formed between the first nylon cushion block (303) and the second nylon cushion block (502);
the outer surface supporting and positioning mechanism of the bogie apron plate is provided with a plurality of groups of supporting and positioning components (3), and the supporting and positioning components (3) and the positioning strips (2) are connected to the positioning sliding grooves (201) in a sliding manner;
the supporting and positioning assembly (3) slides along the positioning sliding groove (201) to adjust the relative distance to adapt to the bogie skirts (10) with different lengths.
2. The thin-wall type bogie apron aluminum profile machining universal tool as claimed in claim 1, wherein the supporting and positioning assembly (3) comprises:
a bottom cross beam (301) extending along the width direction of the base (1) and contacting with the positioning strip (2);
a plurality of supporting beams (302) are arranged along the length direction of the bottom cross beam (301) at intervals, the heights of the supporting beams (302) are gradually reduced, and the upper ends of the supporting beams (302) are supported by the first nylon cushion blocks (303);
the first nylon cushion block (303) is formed into an arc-shaped structure matched with the surface type of the outer surface (1001) of the bogie apron plate through a plurality of support beams (302) with gradually reduced heights;
the supporting and positioning assembly (3) further comprises:
and the limiting structure is in contact with the bottom cross beam (301) and limits the movement of the supporting and positioning assembly (3).
3. The thin-walled bogie apron aluminum profile machining universal tooling as claimed in claim 2, wherein the limiting structure comprises a bottom pressing plate (401);
the bottom pressing plate (401) is connected with a bottom pressing plate sliding block (402) through a bottom pressing plate bolt (404), and the bottom pressing plate sliding block (402) is arranged at the bottom of the positioning strip (2);
the bottom pressing plate (401) is fixedly connected with the positioning strip (2) through a bottom pressing plate screw (403);
two bottom pressing plates (401) are symmetrically arranged on two sides of the bottom cross beam (301), and the two bottom pressing plates (401) clamp the bottom cross beam (301) to limit the movement of the supporting and positioning assembly (3).
4. The thin-wall type bogie apron aluminum profile machining universal tool as claimed in claim 2 or 3, wherein the limiting structure comprises a positioning block (405);
the positioning block (405) is arranged at the bottom of the end part of the bottom cross beam (301), and the positioning block (405) is provided with a reinforcing rib (406) contacting with the side surface of the bottom cross beam (301).
5. The thin-wall type bogie apron aluminum profile machining universal tool is characterized in that one side of the bottom plate (1) is provided with a side top support piece (102);
one end of the bottom cross beam (301) close to the side top support piece (102) is provided with a side support bolt (304) along the axial direction of the bottom cross beam (301);
the side support bolt (304) extends out and contacts the side top support (102);
the side support bolt (304) is provided with a side support nut (305).
6. The thin-wall type bogie apron aluminum profile machining universal tool according to claim 2, wherein the bogie apron inner surface pressing and positioning mechanism comprises pressing and positioning assemblies (5) the number of which is consistent with that of the supporting and positioning assemblies (3).
7. The thin-wall type bogie apron aluminum profile machining universal tool as claimed in claim 6, wherein the pressing and positioning assembly (5) comprises:
the second nylon spacer block (502);
a top press plate (501) pressing the second nylon cushion block (502);
a top pressing plate screw rod (503) is installed at one end, far away from the second nylon cushion block (502), of the top pressing plate (501), and the upper end of the top pressing plate screw rod (503) is fixedly connected with the top pressing plate (501) through a top pressing plate nut (504) and a top pressing plate gasket (505);
and the top pressing plate (501) forms pressing support for the second nylon cushion block (502) through the top pressing plate screw rod (503).
8. The thin-wall type bogie apron aluminum profile machining universal tool as claimed in claim 2, characterized in that a lifting ring (101) is integrated with the bottom plate (1).
9. The thin-wall type bogie apron aluminum profile machining universal tool as claimed in claim 1, characterized in that a machine tool for machining the bogie apron (10) is provided with two sets of the universal tool;
and each set of the universal tooling is respectively clamped with one bogie apron board (10).
CN202010775615.7A 2020-08-05 2020-08-05 Universal tool for machining thin-wall bogie apron plate aluminum profiles Pending CN111745437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010775615.7A CN111745437A (en) 2020-08-05 2020-08-05 Universal tool for machining thin-wall bogie apron plate aluminum profiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010775615.7A CN111745437A (en) 2020-08-05 2020-08-05 Universal tool for machining thin-wall bogie apron plate aluminum profiles

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Publication Number Publication Date
CN111745437A true CN111745437A (en) 2020-10-09

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Application Number Title Priority Date Filing Date
CN202010775615.7A Pending CN111745437A (en) 2020-08-05 2020-08-05 Universal tool for machining thin-wall bogie apron plate aluminum profiles

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909932A (en) * 2021-10-25 2022-01-11 昆山科森科技股份有限公司 Clamping method for precision terminal structural part
CN115488671A (en) * 2022-11-16 2022-12-20 成都永贵东洋轨道交通装备有限公司 Processing frock of dysmorphism section bar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113909932A (en) * 2021-10-25 2022-01-11 昆山科森科技股份有限公司 Clamping method for precision terminal structural part
CN113909932B (en) * 2021-10-25 2023-07-25 昆山科森科技股份有限公司 Clamping method for precise terminal structural member
CN115488671A (en) * 2022-11-16 2022-12-20 成都永贵东洋轨道交通装备有限公司 Processing frock of dysmorphism section bar
CN115488671B (en) * 2022-11-16 2023-01-24 成都永贵东洋轨道交通装备有限公司 Processing frock of dysmorphism section bar

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