CN117655385A - Milling equipment for turnout pad and using method thereof - Google Patents

Milling equipment for turnout pad and using method thereof Download PDF

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Publication number
CN117655385A
CN117655385A CN202311645223.9A CN202311645223A CN117655385A CN 117655385 A CN117655385 A CN 117655385A CN 202311645223 A CN202311645223 A CN 202311645223A CN 117655385 A CN117655385 A CN 117655385A
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CN
China
Prior art keywords
plate
milling
turnout
liquid
pair
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
CN202311645223.9A
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Chinese (zh)
Inventor
陶绍力
俞玉强
芮德勇
郭文强
赵杰
施星星
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.)
Wuhu China Railway Cogifer Track Co Ltd
Original Assignee
Wuhu China Railway Cogifer Track 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 Wuhu China Railway Cogifer Track Co Ltd filed Critical Wuhu China Railway Cogifer Track Co Ltd
Priority to CN202311645223.9A priority Critical patent/CN117655385A/en
Publication of CN117655385A publication Critical patent/CN117655385A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/13—Surface milling of plates, sheets or strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q11/00—Accessories 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
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices 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
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

The invention discloses milling equipment of a turnout pad and a using method thereof, and relates to the technical field of turnout manufacture, comprising a milling workbench, a pressing mechanism and a clamping mechanism, wherein the milling workbench is horizontally arranged and is uniformly provided with a plurality of inverted T-shaped fixing grooves on the upper side of the milling workbench; the pressing mechanism is provided with a pair of pressing plates and is symmetrically arranged on the milling workbench from left to right, and comprises a hydraulic cylinder and pressing plates, and the pressing plates are driven by the hydraulic cylinder to press the non-milling areas on the upper sides of the turnout backing plates; the clamping mechanism is provided with a pair of clamping mechanisms which are correspondingly arranged on the two sides, the clamping mechanism comprises a clamping plate, and the clamping plate is driven by a hydraulic cylinder to be clamped in a non-milling area at the end part of the turnout backing plate. The milling equipment for the switch liner plate has the characteristics of reasonable scheme and compact structure, can clamp the switch liner plate steel billet very conveniently, and can cool the switch liner plate steel billet very efficiently.

Description

Milling equipment for turnout pad and using method thereof
Technical Field
The invention relates to the technical field of turnout machining, in particular to milling equipment for a turnout backing plate and a using method thereof.
Background
The turnout pad is an important component of railway turnout, and its function is that upper portion is held and locked the rail, and it is connected with lower portion turnout sleeper through sleeper bolt, forms the stable overall structure of turnout track.
As shown in fig. 8, the switch pad is formed by processing a switch pad billet through two milling processes.
At present, due to the fact that a clamping tool matched with a turnout backing plate billet is lacking on a milling workbench of a milling machine, the turnout backing plate billet is usually clamped onto the milling workbench of the milling machine by means of steel laths at a plurality of scattered points and long bolts, disassembly and assembly are very inconvenient, considerable time and labor are wasted, and accuracy and uniformity for positioning the turnout backing plate billet are poor.
In addition, when the end of the turnout backing plate billet is milled into a chamfer by using two milling cutters on a milling machine, and then a rail bearing groove is milled out on the upper side of the turnout backing plate billet, a large amount of heat is generated on the working surface of the milling cutter and the processing area of the billet, and if the milling cutter cannot be effectively cooled, the service life of the milling cutter and the crystal structure of the milling area of the billet are affected.
Disclosure of Invention
The invention aims to provide milling equipment for a turnout pad and a using method thereof, so as to solve the defects caused by the prior art.
A milling device of a turnout pad plate and a using method thereof comprise a milling workbench, a pressing mechanism and a clamping mechanism, wherein,
the milling workbench is horizontally arranged and is uniformly provided with a plurality of inverted T-shaped fixing grooves on the upper side;
the pressing mechanism is provided with a pair of pressing plates and is symmetrically arranged on the milling workbench from left to right, and comprises a hydraulic cylinder and pressing plates, and the pressing plates are driven by the hydraulic cylinder to press the non-milling areas on the upper sides of the turnout backing plates;
the clamping mechanism is provided with a pair of clamping mechanisms which are correspondingly arranged on the two sides, the clamping mechanism comprises a clamping plate, and the clamping plate is driven by a hydraulic cylinder to be clamped in a non-milling area at the end part of the turnout backing plate.
Preferably, the pressing mechanism further comprises a mounting plate and a connecting plate, the mounting plate is horizontally attached to the upper side of the milling workbench, a plurality of mounting grooves are distributed on the edge of the mounting plate, a 'type' fixing frame is arranged at the mounting grooves, the fixing frame is installed right above the fixing grooves through fixing bolts, the connecting plate is provided with a pair of connecting plates and is connected to the outer sides of the mounting plate in a front-back symmetrical mode, the hydraulic cylinder is provided with a pair of connecting plates and is correspondingly installed on the upper portions of the two connecting plates, the hydraulic cylinder is horizontally arranged inwards and is connected with a hinge seat I at the tail end of a piston rod of the hydraulic cylinder, an inverted 'T' -shaped hinge strip I is hinged to the hinge seat I, a hinge seat II is connected to the middle portion of the connecting plate, a 'type' hinge strip II is hinged to the hinge seat II on the hinge seat II, and the pressing plate is horizontally connected to the lower sides of the front hinge strip and the hinge strip I.
Preferably, the clamping mechanism further comprises a linear guide rail, a placing plate and a linkage bar, wherein the linear guide rail is provided with a pair of front and rear symmetrically connected to the upper sides of the mounting plate, sliding blocks are connected to the linear guide rail in a sliding mode, the placing plate is horizontally connected to the upper sides of the front and rear sliding blocks, the linkage bar is provided with a pair of front and rear symmetrically connected to the placing plate, and the placing plate located on the same side is connected to the first hinge seat.
Preferably, the compacting plate is of a hollow structure, a pair of first liquid inlets are symmetrically arranged on the front side and the rear side of the compacting plate, the first liquid inlets are communicated with a positive-pressure cooling liquid source, a first liquid outlet is arranged on the lower side of the compacting plate, and a first linear liquid guide groove is symmetrically arranged on the left side and the right side of the first liquid outlet.
Preferably, the placing plate is of an internal hollow structure, a row of folded-line-shaped liquid guide grooves II are formed in the upper side of the placing plate, a pair of liquid inlets II are symmetrically formed in the front and back of the outer side of the clamping plate, the liquid inlets II are communicated with a positive-pressure cooling liquid source, a row of liquid outlets II which penetrate through from top to bottom are formed in the middle of the clamping plate, and the liquid outlets II are correspondingly arranged right above the liquid guide grooves II.
The working steps of the milling equipment of the turnout pad and the using method thereof are as follows:
step 1: the method comprises the steps that a turnout backing plate steel billet is horizontally placed on the upper sides of a left placing plate and a right placing plate, piston rods of a left pair of hydraulic cylinders and a right pair of hydraulic cylinders extend and drive corresponding clamping plates to transversely clamp a non-milling area at the end part of the turnout backing plate steel billet, and meanwhile, piston rods of the left pair of hydraulic cylinders and the right pair of hydraulic cylinders extend and drive corresponding pressing plates to downwards overturn by 90 degrees and press the corresponding pressing plates to the non-milling area at the upper side of the turnout backing plate steel billet;
step 2: two chamfer surfaces and two rail bearing grooves are sequentially milled by means of two milling cutters on a milling machine to a turnout backing plate billet clamped on a milling workbench, and in the milling process:
(1) introducing positive-pressure cooling liquid into the compacting plate through a liquid inlet I, spraying the cooling liquid onto the upper side of the turnout pad steel billet from a liquid outlet I on the lower side to cool the upper side of the turnout pad steel billet, prolonging the flow path of the cooling liquid through a linear liquid guide groove I, and then transversely spraying the cooling liquid onto two milling cutters during milling to cool the two milling cutters;
(2) introducing positive-pressure cooling liquid into the clamping plate through a liquid inlet II, spraying the cooling liquid onto the upper side of the switch base plate billet through a liquid outlet II on the upper side, cooling the lower side of the switch base plate billet, prolonging the flow path of the cooling liquid through a folded liquid guide groove II, and then transversely spraying the cooling liquid;
step 3: after milling a steel billet of the switch backing plate into the switch backing plate, the piston rods of the left and right pairs of hydraulic cylinders shrink and drive the corresponding clamping plates to be transversely far away from the end parts of the switch backing plate, meanwhile, the piston rods of the left and right pairs of hydraulic cylinders shrink and drive the corresponding pressing plates to be upwards turned over by 90 degrees and far away from the upper side of the switch backing plate, and finally, the switch backing plate is taken.
Compared with the prior art, the invention has the following advantages:
1. the steel billet of the turnout backing plate is very convenient to clamp. The method comprises the steps of horizontally placing a switch base plate billet on the upper sides of a left placing plate and a right placing plate, extending piston rods of a left hydraulic cylinder and a right hydraulic cylinder and driving corresponding clamping plates to transversely clamp a non-milling area at the end part of the switch base plate billet, extending piston rods of the left hydraulic cylinder and the right hydraulic cylinder and driving corresponding pressing plates to downwards overturn by 90 degrees, and pressing the non-milling area at the upper side of the switch base plate billet.
2. The cooling of the switch backing plate steel billet is very efficient. During milling: (1) introducing positive-pressure cooling liquid into the compacting plate through a liquid inlet I, spraying the cooling liquid onto the upper side of the turnout pad steel billet from a liquid outlet I on the lower side to cool the upper side of the turnout pad steel billet, prolonging the flow path of the cooling liquid through a linear liquid guide groove I, and then transversely spraying the cooling liquid onto two milling cutters during milling to cool the two milling cutters; (2) the liquid inlet II is used for introducing positive-pressure cooling liquid into the clamping plate, the liquid outlet II at the upper side is used for spraying the upper side of the switch base plate billet, the lower side of the switch base plate billet is cooled, the circulation path of the cooling liquid is prolonged through the folded liquid guide groove II, and then the cooling liquid is sprayed transversely.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic diagram of the overall top view of the present invention.
Fig. 3 is a schematic structural view of the pressing mechanism in the present invention.
Fig. 4 is a schematic structural view of a pressing plate in the pressing mechanism.
Fig. 5 is a schematic structural view of the clamping mechanism in the present invention.
Fig. 6 is a schematic view of the structure of the placement plate in the clamping mechanism.
Fig. 7 is a schematic structural view of a clamping plate in the clamping mechanism.
Fig. 8 is a schematic structural view of a switch plate according to the present invention.
Wherein:
10-a milling workbench; 10 a-a fixing groove;
20-a compressing mechanism; 201-mounting plates; 201 a-mounting slots; 202-a fixing frame; 203-fixing bolts; 204-connecting plates; 205-hydraulic cylinder; 206-hinge seat one; 207-hinge strip one; 208-hinging seat II; 209-hinge strip two; 210-a compacting plate; 210 a-inlet one; 210 b-first outlet; 210 c-first drain tank;
30-a clamping mechanism; 301-linear guide rails; 302-a slider; 303-placing a plate; 303 a-a second liquid guide groove; 304-clamping plates; 304 a-a second liquid inlet; 304 b-a second liquid outlet; 305-linkage bars;
40-switch backing plate steel billet;
50-switch backing plate; 50 a-fitting groove; 50 b-chamfer; 50 c-rail bearing grooves.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, a milling apparatus for a switch pad and a method of using the same, includes a milling table 10, a pressing mechanism 20, and a clamping mechanism 30, wherein,
the milling workbench 10 is horizontally arranged and is uniformly provided with a plurality of inverted T-shaped fixing grooves 10a at the upper side;
the pressing mechanism 20 is provided with a pair of pressing plates, and is symmetrically arranged on the milling workbench 10 from left to right, the pressing mechanism 20 comprises a hydraulic cylinder 205 and a pressing plate 210, and the pressing plate 210 is driven by the hydraulic cylinder 205 to press a non-milling area on the upper side of the turnout pad 40;
the clamping mechanism 30 is provided with a pair of pressing mechanisms 20 correspondingly arranged on two sides, the clamping mechanism 30 comprises a clamping plate 304, and the clamping plate 304 is driven by the hydraulic cylinder 205 to clamp a non-milling area at the end part of the turnout pad 40.
In this embodiment, the pressing mechanism 20 further includes a mounting plate 201 and a connecting plate 204, the mounting plate 201 is horizontally attached to the upper side of the milling workbench 10, a plurality of mounting slots 201a are distributed on the edge of the mounting plate 201, a fixing frame 202 of a's "type" is placed at the mounting slots 201a, the fixing frame 202 is mounted directly above the fixing slots 10a through fixing bolts 203, the connecting plate 204 is provided with a pair of front and back symmetrically connected to the outer sides of the mounting plate 201, the hydraulic cylinder 205 is provided with a pair of corresponding upper portions of the two connecting plates 204, the hydraulic cylinder 205 is horizontally disposed inwards and is connected with a first hinge seat 206 at the end of a piston rod of the hydraulic cylinder 205, a second hinge seat 208 is connected to the middle portion of the connecting plate 204, a second hinge seat 209 is hinged on the second hinge seat 208, the first hinge seat 207 and the second hinge strap 209 located on the same side are hinged, and the pressing plate 210 is horizontally connected to the lower sides of the first hinge seat 207.
In this embodiment, the clamping mechanism 30 further includes a linear guide 301, a placement plate 303, and a linkage bar 305, where the linear guide 301 is provided with a pair of placement plates and is symmetrically connected to the upper side of the mounting plate 201 in front and back directions, the linear guide 301 is slidably connected with a sliding block 302, the placement plate 303 is horizontally connected to the upper sides of the front and back sliding blocks 302, the linkage bar 305 is provided with a pair of placement plates and is symmetrically connected to the front and back sides of the placement plate 303, and the placement plates 303 located on the same side are connected to the hinge base 206.
In this embodiment, the compacting plate 210 is of a hollow structure, a pair of first liquid inlets 210a are symmetrically disposed on the front and rear sides of the compacting plate 210, and the first liquid inlets 210a are connected to a positive pressure cooling liquid source, a first liquid outlet 210b is disposed on the lower side of the compacting plate 210, and a first linear liquid guide groove 210c is symmetrically disposed on the left and right sides of the first liquid outlet 210 b.
In this embodiment, the placing plate 303 is of a hollow structure, a second bent line-shaped liquid guiding groove 303a is disposed on the upper side of the placing plate 303, a pair of second liquid inlets 304a are symmetrically disposed on the front and rear sides of the outer side of the clamping plate 304, the second liquid inlets 304a are communicated to a positive pressure cooling liquid source, a second row of vertically penetrating liquid outlets 304b are disposed in the middle of the clamping plate 304, and the second liquid outlets 304b are correspondingly disposed right above the second liquid guiding groove 303 a.
The working steps of the milling equipment of the turnout pad and the using method thereof are as follows:
step 1: the turnout pad steel billet 40 is horizontally placed on the upper sides of the left placing plate 303 and the right placing plate 303, then the piston rods of the left and right pairs of hydraulic cylinders 205 extend and drive the corresponding clamping plates 304 to transversely clamp the non-milling area at the end part of the turnout pad steel billet 40, and meanwhile, the piston rods of the left and right pairs of hydraulic cylinders 205 extend and drive the corresponding pressing plates 210 to downwards overturn by 90 degrees and press the non-milling area at the upper side of the turnout pad steel billet 40;
step 2: two chamfer surfaces 50b and two rail bearing grooves 50c are sequentially milled by means of two milling cutters on a milling machine on a turnout backing plate billet 40 clamped on a milling workbench 10, and in the milling process:
(1) the first liquid inlet 210a is used for introducing positive-pressure cooling liquid into the compacting plate 210, the first liquid outlet 210b at the lower side is used for spraying the cooling liquid at the upper side of the turnout pad billet 40 at the lower side, the upper side of the turnout pad billet 40 is cooled, the flow path of the cooling liquid is prolonged through the first linear liquid guide groove 210c, and then the cooling liquid is transversely sprayed and sprayed to two milling cutters during milling, so that the two milling cutters are cooled;
(2) the second liquid inlet 304a introduces positive-pressure cooling liquid into the clamping plate 304, the second liquid outlet 304a sprays the upper side of the upper switch liner plate billet 40 to cool the lower side of the switch liner plate billet 40, the second liquid guide groove 303a extends the flow path of the cooling liquid, and then the cooling liquid is transversely sprayed;
step 3: after milling the switch plate billet 40 into the switch plate 50, the piston rods of the left and right pairs of hydraulic cylinders 205 contract and drive the corresponding clamping plates 304 to be transversely far away from the end parts of the switch plate 50, and simultaneously, the piston rods of the left and right pairs of hydraulic cylinders 205 contract and drive the corresponding pressing plates 210 to be turned upwards by 90 degrees and far away from the upper side of the switch plate 50, and finally, the switch plate 50 is taken out.
Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.

Claims (6)

1. Milling equipment of switch backing plate, its characterized in that: comprises a milling workbench (10), a pressing mechanism (20) and a clamping mechanism (30), wherein,
the milling workbench (10) is horizontally arranged and is uniformly provided with a plurality of inverted T-shaped fixing grooves (10 a) on the upper side;
the compressing mechanism (20) is provided with a pair of compressing mechanisms and is symmetrically arranged on the milling workbench (10) left and right, the compressing mechanism (20) comprises a hydraulic cylinder (205) and a compressing plate (210), and the compressing plate (210) is driven by the hydraulic cylinder (205) to compress a non-milling area on the upper side of the turnout pad (40);
the clamping mechanism (30) is provided with a pair of pressing mechanisms (20) which are correspondingly arranged on two sides, the clamping mechanism (30) comprises a clamping plate (304), and the clamping plate (304) is driven by a hydraulic cylinder (205) to clamp a non-milling area at the end part of the turnout backing plate (40).
2. The milling apparatus for a switch block as claimed in claim 1, wherein: the pressing mechanism (20) further comprises a mounting plate (201) and a connecting plate (204), the mounting plate (201) is horizontally attached to the upper sides of the milling workbench (10), a plurality of mounting grooves (201 a) are distributed in the edge of the mounting plate (201), a fixing frame (202) of a 'T' -shaped structure is placed at the mounting groove (201 a), the fixing frame (202) is mounted right above the fixing groove (10 a) through a fixing bolt (203), the connecting plate (204) is provided with a pair of front and rear symmetrically connected to the outer sides of the mounting plate (201), a hydraulic cylinder (205) is provided with a pair of front and rear symmetrically connected to the upper portions of the two connecting plates (204), the hydraulic cylinder (205) is horizontally arranged inwards and is connected with a first hinging seat (206) at the tail end of a piston rod of the hydraulic cylinder, a second hinging seat (207) is hinged on the first hinging seat (206), a second hinging seat (208) is connected to the middle of the connecting plate (204), a second hinging seat (208) is hinged with a second hinging seat (207), and the second hinging seat (207) is hinged to the second hinging seat (207) and is located between the first hinging seat and the second hinging seat (209) and the second hinging seat (207) is connected with the second hinging seat.
3. A milling apparatus for a switch block as claimed in claim 2, wherein: the clamping mechanism (30) further comprises a linear guide rail (301), a placing plate (303) and a linkage strip (305), wherein the linear guide rail (301) is provided with a pair of front and rear symmetrically connected to the upper side of the mounting plate (201), sliding blocks (302) are connected to the linear guide rail (301) in a sliding mode, the placing plate (303) is horizontally connected to the upper sides of the front and rear sliding blocks (302), the linkage strip (305) is provided with the pair of front and rear symmetrically connected to the placing plate (303), and the placing plate (303) located on the same side is connected to the first hinging seat (206).
4. A milling apparatus for a switch block as claimed in claim 3, wherein: the compressing plate (210) is of a hollow structure, a pair of first liquid inlets (210 a) are symmetrically arranged on the front side and the rear side of the compressing plate (210), the first liquid inlets (210 a) are communicated to a positive-pressure cooling liquid source, a first liquid outlet (210 b) is arranged on the lower side of the compressing plate (210), and a first linear liquid guide groove (210 c) is symmetrically arranged on the left side and the right side of the first liquid outlet (210 b).
5. The milling apparatus for a switch block as claimed in claim 4, wherein: the placing plate (303) is of an internal hollow structure, a row of folded-line-shaped liquid guide grooves II (303 a) are formed in the upper side of the placing plate (303), a pair of liquid inlet II (304 a) is symmetrically formed in the front and back of the outer side of the clamping plate (304), the liquid inlet II (304 a) is communicated with a positive-pressure cooling liquid source, a row of liquid outlet II (304 b) which penetrates through the middle of the clamping plate (304) vertically is arranged in the middle of the clamping plate, and the liquid outlet II (304 b) is correspondingly arranged right above the liquid guide grooves II (303 a).
6. The milling apparatus for a switch block as claimed in claim 5, wherein: the working steps of the milling equipment of the turnout pad and the using method thereof are as follows:
step 1: the method comprises the steps that a turnout backing plate steel billet (40) is horizontally placed on the upper sides of a left placing plate (303) and a right placing plate (303), piston rods of a left pair of hydraulic cylinders (205) and a right pair of hydraulic cylinders (205) are stretched and drive corresponding clamping plates (304) to transversely clamp a non-milling area at the end part of the turnout backing plate steel billet (40), and meanwhile, piston rods of the left pair of hydraulic cylinders (205) and the right pair of hydraulic cylinders are stretched and drive corresponding pressing plates (210) to downwards turn over by 90 degrees and are pressed on the non-milling area at the upper side of the turnout backing plate steel billet (40);
step 2: two chamfer surfaces (50 b) and two rail bearing grooves (50 c) are sequentially milled by means of two milling cutters on a milling machine on a turnout backing plate billet (40) clamped on a milling workbench (10), and in the milling process:
(1) introducing positive-pressure cooling liquid into the compacting plate (210) through a liquid inlet I (210 a), spraying the cooling liquid to the upper side of a turnout pad steel billet (40) below through a liquid outlet I (210 b) at the lower side, cooling the upper side of the turnout pad steel billet (40), prolonging the flow path of the cooling liquid through a linear liquid guide groove I (210 c), and then transversely spraying the cooling liquid to two milling cutters during milling to realize cooling of the two milling cutters;
(2) introducing positive-pressure cooling liquid into the clamping plate (304) through the liquid inlet II (304 a), spraying the cooling liquid to the upper side of the upper switch pad steel billet (40) through the liquid outlet II (304 a) so as to cool the lower side of the switch pad steel billet (40), prolonging the flow path of the cooling liquid through the folded liquid guide groove II (303 a), and then transversely spraying the cooling liquid;
step 3: after milling the switch backing plate billet (40) into the switch backing plate (50), the piston rods of the left and right pairs of hydraulic cylinders (205) shrink and drive the corresponding clamping plates (304) to be transversely far away from the end parts of the switch backing plate (50), meanwhile, the piston rods of the left and right pairs of hydraulic cylinders (205) shrink and drive the corresponding pressing plates (210) to be upwards turned by 90 degrees and far away from the upper side of the switch backing plate (50), and finally, the switch backing plate (50) is taken out.
CN202311645223.9A 2023-12-04 2023-12-04 Milling equipment for turnout pad and using method thereof Pending CN117655385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311645223.9A CN117655385A (en) 2023-12-04 2023-12-04 Milling equipment for turnout pad and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311645223.9A CN117655385A (en) 2023-12-04 2023-12-04 Milling equipment for turnout pad and using method thereof

Publications (1)

Publication Number Publication Date
CN117655385A true CN117655385A (en) 2024-03-08

Family

ID=90067569

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311645223.9A Pending CN117655385A (en) 2023-12-04 2023-12-04 Milling equipment for turnout pad and using method thereof

Country Status (1)

Country Link
CN (1) CN117655385A (en)

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