CN110883263B - Method for manufacturing lower side door hinge of rail transit truck - Google Patents

Method for manufacturing lower side door hinge of rail transit truck Download PDF

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Publication number
CN110883263B
CN110883263B CN201910969149.3A CN201910969149A CN110883263B CN 110883263 B CN110883263 B CN 110883263B CN 201910969149 A CN201910969149 A CN 201910969149A CN 110883263 B CN110883263 B CN 110883263B
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China
Prior art keywords
block
iron sheet
hinge
arc
oil cylinder
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CN201910969149.3A
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CN110883263A (en
Inventor
梅全胜
徐幼东
王少斌
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Wuhan Shijihong Equipment Manufacturing Co ltd
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Wuhan Shijihong Equipment Manufacturing Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith

Abstract

The invention discloses a method for manufacturing a hinge of a lower side door of a rail transit truck open wagon, and relates to a hinge manufacturing method. It comprises the following steps: step 1: placing the iron sheet on the roller of the transport frame, wherein the tail part of the iron sheet is clamped between the limiting columns; step 2: a worker pushes the iron sheet by hand until the tail of the iron sheet is blocked by the fracture limiting block and cannot be pushed; pulling down the switch handle, extending out the cutter head, and breaking the iron sheet to form a short iron sheet, wherein the short iron sheet naturally falls into the carrying vehicle; and step 3: repeating the step 2-3; and 4, step 4: and directly pushing the last iron sheet into the loading vehicle. The invention has simple operation, realizes semi-automation, improves the working efficiency and improves the yield.

Description

Method for manufacturing lower side door hinge of rail transit truck
Technical Field
The invention relates to a method for manufacturing a hinge, in particular to a method for manufacturing a hinge on a lower side door of a rail transit truck open wagon.
Background
At present, no standard machine is used for manufacturing the hinge of the lower side door of the rail transit truck, so that the manufacturing efficiency is low and the yield is low.
Therefore, it is necessary to develop a method for manufacturing the bottom side door hinge of the rail transit truck.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a method for manufacturing a bottom side door hinge of a rail transit truck open wagon.
In order to achieve the purpose, the technical scheme of the invention is as follows: the method for manufacturing the lower side door hinge of the rail transit truck open wagon is characterized by comprising the following steps of: the device for manufacturing the lower side door hinge of the rail transit truck comprises a breaking device, a top arc device and a bending device, wherein the breaking device comprises a transport frame, a goods unloading frame connected with the tail part of the transport frame and a breaking machine positioned at the tail part of the transport frame, and a goods carrying vehicle is arranged below the left side of the goods unloading frame;
a plurality of rollers are arranged in the middle of the transport frame, and the iron bars move towards the unloading frame along the transport frame through the rollers;
the breaking machine comprises a cushion cutter holder positioned on the left side of the transport frame and a cutter holder positioned on the right side of the transport frame; the shim tool holder is provided with a shim tool block; the tool apron is provided with a telescopic tool bit matched with the tool cushion block;
the tail part of the unloading frame is provided with a break limiting block;
a plurality of limiting columns are arranged on two sides of one end, close to the breaking machine, of the transportation frame at intervals;
a switch handle is arranged on the cutter holder;
the arc pushing device comprises a rack, an arc pushing mechanism positioned at the left end of the rack, a pressing mechanism positioned at the upper end of the rack and a placing frame positioned at the lower end of the rack;
the arc pushing mechanism comprises an arc pushing oil cylinder and an arc pushing block which is connected with an output shaft of the arc pushing oil cylinder and can move left and right;
the pressing mechanism comprises a pressing oil cylinder and a pressing block which is connected with an output shaft of the pressing oil cylinder and can move up and down;
the top arc block comprises an upper edge and a lower edge, the upper edge is shorter than the lower edge, and the inner connecting part at the left sides of the upper edge and the lower edge is semicircular;
the upper end of the placing frame is flush with the upper end of the lower edge in height;
the placing rack comprises a first placing rack and a second placing rack, and the first placing rack is positioned on the left side of the second placing rack; the first placing rack is lower than the second placing rack, and the upper end of the first placing rack is flush with the lower end of the lower edge;
a top arc limiting block is arranged on the left side of the second placing rack;
two pressing oil cylinders are provided;
the first control console is used for controlling the top arc oil cylinder to stretch left and right and the pressing oil cylinder to stretch up and down;
the bending device comprises a lower machine base and an upper machine base positioned above the lower machine base, and the lower machine base is connected with the upper machine base through a guide column;
the middle part of the lower base is provided with a lower base, and the middle part of the lower base is provided with a left lower module and a right lower module; the top of the upper die base is provided with an oil cylinder, an output shaft of the oil cylinder is downwards connected with the upper die base, and the middle part of the upper die base is provided with an upper left module and an upper right module;
the left lower module is provided with a groove, and the groove comprises two inclined planes and a concave arc surface positioned between the two inclined planes; the top of the left upper module is provided with a convex arc block matched with the concave arc surface;
an inclined ridge is arranged in the middle of the right lower module; the upper right module is matched with the lower right module;
the left side of the left lower module is provided with a left baffle, and the right side of the right lower module is provided with a right baffle;
the lower die base is provided with a bending limiting block behind the left lower die block and the right lower die block;
the second control console can control the oil cylinder to stretch up and down;
the method for manufacturing the lower side door hinge of the rail transit truck open wagon comprises the following steps: step 1: placing the iron sheet on the roller of the transport frame, wherein the tail part of the iron sheet is clamped between the limiting columns;
step 2: a worker pushes the iron sheet by hand until the tail of the iron sheet is blocked by the fracture limiting block and cannot be pushed; pulling down the switch handle, extending out the cutter head, and breaking the iron sheet to form a short iron sheet, wherein the short iron sheet naturally falls into the carrying vehicle;
and step 3: repeating the step 1-2;
and 4, step 4: directly pushing the last iron sheet into a loading vehicle;
and 5: repeating the steps 1-4 to finish the work of processing the iron sheet into the folding plate;
step 6: placing the folding plate on a second placing rack, and positioning the folding plate through a folding plate limiting block;
and 7: the first control console controls the pressing oil cylinder to drive the pressing block to move downwards, and the pressing block presses the folding plate on the second placing frame;
and 8: the top arc oil cylinder is controlled by the first control console to drive the top arc block to move rightwards, the folding plates enter the top arc grooves in the top arc block, and one folding plate is processed into a fold;
and step 9: controlling a pressing oil cylinder to drive a pressing block to move upwards and a top arc block to move leftwards through a first control board, taking out the folding plates, repeating the steps 6-8, and processing all the folding plates into folds;
step 10: the left end of the hinge extends into the left lower module, is positioned through the left baffle and the bending limiting block, and operates the upper die base to move downwards through the second control console; when the lower left module is contacted with the upper left module, the right end of the hinge is lifted upwards to complete the bending of the left end of the hinge, the upper die base moves upwards, and the hinge is taken out;
step 11: the right end of the hinge extends into the lower right module, is positioned through the right baffle and the bending limiting block, and operates the upper die base to move downwards through the second control platform; the upper right module is contacted with the lower right module to complete the bending of the right end of the hinge, the upper die base moves upwards, and the hinge is taken out; completing the bending of a hinge;
step 12: and repeating the steps 10-11 to finish the bending of all the hinges.
In the technical scheme, the right side of the unloading frame is provided with a baffle; the middle of the roller is provided with a groove.
In the technical scheme, a top arc limiting block is arranged on the left side of the second placing rack; the number of the pressing oil cylinders is two.
In the technical scheme, one opposite angle of the lower die base is provided with a lower limiting column, and one opposite angle of the upper die base is provided with an upper limiting column matched with the lower limiting column.
The invention has simple operation, realizes semi-automation, improves the working efficiency and improves the yield.
Drawings
Fig. 1 is a schematic structural view of the breaking device of the present invention.
Fig. 2 is a schematic structural view of the breaking machine.
Fig. 3 is a schematic structural diagram of the roller.
Fig. 4 is a schematic structural diagram of the top arc device of the present invention.
Fig. 5 is a schematic structural diagram of the top arc block.
Fig. 6 is a schematic structural view of the rack.
Fig. 7 is a schematic view of the structure of the folding plate after the top arc.
Fig. 8 is a schematic structural view of the bending apparatus of the present invention.
Fig. 9 is a schematic structural diagram of the lower left module.
Fig. 10 is a schematic structural diagram of the lower right module.
Fig. 11 is a schematic structural diagram of the upper left module.
Fig. 12 is a schematic structural diagram of the upper right module.
Fig. 13 is a schematic view of the folded hinge.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily understood by the description.
With reference to the accompanying drawings: the device for manufacturing the lower side door hinge of the rail transit truck comprises a breaking device, a top arc device and a bending device, wherein the breaking device comprises a transport rack A1, a discharge rack A2 connected with the tail part of a transport rack A1 and a breaking machine A3 positioned at the tail part of the transport rack A1, and a carrier A4 is arranged below the left side of the discharge rack A2;
a plurality of rollers A11 are arranged in the middle of the transport rack A1, and the iron bars move along the transport rack A1 to the unloading rack A2 through the rollers A11;
the breaker A3 includes a pad knife holder a31 on the left side of the transport bay a1 and a knife holder a32 on the right side of the transport bay a 1; the shim seat A31 is provided with a shim block A311; the cutter seat A32 is provided with a telescopic cutter head A321 which is matched with the cutter pad block A311;
the tail part of the unloading frame A2 is provided with a break limit block A22;
a plurality of limiting columns A12 are arranged on two sides of one end, close to the breaker A3, of the transportation frame A1 at intervals, and iron sheets are located between the limiting columns A12, so that stability is improved;
the cutter holder A32 is provided with a switch handle A322, and the switch handle A322 is used for controlling the operation of the cutter holder A32;
the arc pushing device comprises a frame B1, an arc pushing mechanism B2 positioned at the left end of a frame B1, a pressing mechanism B3 positioned at the upper end of the frame B1 and a placing rack B4 positioned at the lower end of a frame B1;
the arc ejecting mechanism B2 comprises an arc ejecting oil cylinder B21 and an arc ejecting block B22 which is connected with an output shaft of the arc ejecting oil cylinder B21 and can move left and right;
the pressing mechanism B3 comprises a pressing oil cylinder B31 and a pressing block B32 which is connected with an output shaft of the pressing oil cylinder B31 and can move up and down;
the top arc block B22 comprises an upper side B221 and a lower side B222, wherein the upper side B221 is shorter than the lower side B222, and an inner joint B223 at the left side of the upper side B221 and the lower side B222 is semicircular;
the upper end of the placing rack B4 is flush with the upper end of the lower edge B222 in height;
the placing rack B4 comprises a first placing rack B41 and a second placing rack B42, wherein the first placing rack B41 is positioned at the left side of the second placing rack B42; the first placing rack B41 is shorter than the second placing rack B42, the height of the upper end of the first placing rack B41 is flush with that of the lower end of the lower side B222, and the stability of the top arc block B22 in left-right movement is improved;
a top arc limiting block B421 is arranged at the left side of the second placing frame B42, and limiting is provided for the left-right movement of the top arc block B22;
two pressing oil cylinders B31 are provided;
the first console B5 is used for controlling the arc ejection oil cylinder B21 to stretch left and right and the pressing oil cylinder B31 to stretch up and down;
the bending device comprises a lower machine base C11 and an upper machine base C12 positioned above a lower machine base C11, wherein the lower machine base C11 is connected with the upper machine base C12 through a guide column C13;
the middle part of the lower machine base C11 is provided with a lower die holder C21, and the middle part of the lower die holder C21 is provided with a left lower module C221 and a right lower module C222; an oil cylinder C14 is mounted at the top of the upper machine base C12, an output shaft of the oil cylinder C14 is downwards connected with an upper die base C31, and a left upper die block C321 and a right upper die block C322 are arranged in the middle of the upper die base C31;
the left lower module C221 is provided with a groove C23, and the groove C23 comprises two inclined planes C231 and a concave arc surface C232 positioned between the two inclined planes; the top of the left upper module C321 is a convex arc block C3211 matched with the concave arc surface C232;
the middle part of the right lower module C222 is provided with an inclined ridge C2221; the right upper module C322 is matched with the right lower module C222;
the left side of the left lower module C221 is provided with a left baffle C25, and the right side of the right lower module C222 is provided with a right baffle C26;
a bending limiting block C27 is arranged behind the left lower module C221 and the right lower module C222 of the lower die holder C21;
the device also comprises a second console C4 which can control the oil cylinder C14 to extend and retract up and down;
the method for manufacturing the lower side door hinge of the rail transit truck open wagon comprises the following steps: the method comprises the following steps:
step 1: placing the iron sheet on a roller A11 of a transport frame A1, wherein the tail of the iron sheet is clamped between limiting columns A12;
step 2: a worker pushes the iron sheet by hand until the tail of the iron sheet is blocked by the break limiting block A22 and cannot be pushed; the switch handle A322 is pulled down, the cutter head A321 extends out, the iron sheet is broken off to form a short iron sheet, and the short iron sheet naturally falls into the carrier A4;
and step 3: repeating the step 1-2;
and 4, step 4: directly pushing the last iron sheet into a loading vehicle A4;
and 5: repeating the steps 1-4 to finish the work of processing the iron sheet into the folding board B6;
step 6: placing the folding board B6 on a second placing rack B42, and positioning the folding board B6 through a folding board limiting block B422;
and 7: the first console B5 controls the pressing oil cylinder B31 to drive the pressing block B32 to move downwards, and the pressing block B32 presses the folding plate B6 on the second placing rack B42;
and 8: a top arc oil cylinder B21 is controlled by a first control console B5 to drive a top arc block B22 to move rightwards, a folding plate B6 enters a top arc groove B224 in the top arc block B22, and a folding plate B6 is processed into a hinge C5;
and step 9: controlling a pressing oil cylinder B31 through a first console B5 to drive a pressing block B32 to move upwards, driving a top arc block B22 to move leftwards, taking out a folding plate B6, repeating the steps 6-8, and processing all the folding plates B6 into a hinge C5;
step 10: the left end of a hinge C5 extends into a left lower module C221, is positioned by a left baffle C25 and a bending limiting block C27, and operates an upper die holder C31 to move downwards through a second control console C4; when the left lower module C221 contacts the left upper module C321, the right end of the hinge C5 is lifted upwards to bend the left end of the hinge C5, the upper die base C31 moves upwards, and the hinge C5 is taken out;
step 11: the right end of a hinge C5 extends into the right lower module C222, is positioned by a right baffle C26 and a bending limiting block C27, and operates the upper die holder C31 to move downwards by a second control console C4; the right upper module C322 is contacted with the right lower module C222 to finish the bending of the right end of the hinge C5, the upper die seat C31 moves upwards, and the hinge C5 is taken out; completing the bending of a hinge C5;
step 12: and repeating the steps 10-11 to finish bending all the hinges C5.
A baffle A21 is arranged on the right side of the unloading frame A2, so that short iron sheets are prevented from falling to the right side of the unloading frame A2; the middle of the roller A11 is provided with a groove A111, so that the stability of the broken iron sheet is improved.
A top arc limiting block B421 is arranged at the left side of the second placing rack B42; the number of the pressing cylinders B31 is two.
One diagonal of the lower die holder C21 is provided with a lower limiting column C24, and one diagonal of the upper die holder C31 is provided with an upper limiting column C33 matched with the lower limiting column C24.
In actual use, a common iron sheet can be divided into 3 parts of short iron sheets;
other parts not described belong to the prior art.

Claims (4)

1. The method for manufacturing the lower side door hinge of the rail transit truck open wagon is characterized by comprising the following steps of: the device for manufacturing the lower side door hinge of the rail transit truck comprises a breaking device, a top arc device and a bending device, wherein the breaking device comprises a transport frame (A1), a goods unloading frame (A2) connected with the tail part of the transport frame (A1) and a breaking machine (A3) positioned at the tail part of the transport frame (A1), and a goods carrying vehicle (A4) is arranged below the left side of the goods unloading frame (A2);
a plurality of rollers (A11) are arranged in the middle of the transport frame (A1), and the iron bars move towards the unloading frame (A2) along the transport frame (A1) through the rollers (A11);
the breaking machine (A3) comprises a cushion cutter seat (A31) positioned at the left side of the transport rack (A1) and a cutter seat (A32) positioned at the right side of the transport rack (A1); the shim seat (A31) is provided with a shim block (A311); the cutter holder (A32) is provided with a telescopic cutter head (A321) which is matched with the cutter pad block (A311);
the tail part of the goods unloading frame (A2) is provided with a breaking limit block (A22);
a plurality of limiting columns (A12) are arranged on two sides of one end, close to the breaking machine (A3), of the transportation frame (A1) at intervals;
a switch handle (A322) is arranged on the cutter holder (A32);
the arc pushing device comprises a rack (B1), an arc pushing mechanism (B2) positioned at the left end of the rack (B1), a pressing mechanism (B3) positioned at the upper end of the rack (B1) and a placing rack (B4) positioned at the lower end of the rack (B1);
the arc ejecting mechanism (B2) comprises an arc ejecting oil cylinder (B21) and an arc ejecting block (B22) which is connected with an output shaft of the arc ejecting oil cylinder (B21) and can move left and right;
the pressing mechanism (B3) comprises a pressing oil cylinder (B31) and a pressing block (B32) which is connected with an output shaft of the pressing oil cylinder (B31) and can move up and down;
the top arc block (B22) comprises an upper edge (B221) and a lower edge (B222), the upper edge (B221) is shorter than the lower edge (B222), and the inner connection part (B223) on the left sides of the upper edge (B221) and the lower edge (B222) is semicircular;
the upper end of the placing rack (B4) is flush with the upper end of the lower edge (B222);
the placing rack (B4) comprises a first placing rack (B41) and a second placing rack (B42), and the first placing rack (B41) is positioned at the left side of the second placing rack (B42); the first placing rack (B41) is shorter than the second placing rack (B42), and the upper end of the first placing rack (B41) is flush with the lower end of the lower edge (B222);
a top arc limiting block (B421) is arranged at the left side of the second placing rack (B42);
the first control console (B5) is used for controlling the top arc oil cylinder (B21) to stretch left and right and pressing the oil cylinder (B31) to stretch up and down;
the bending device comprises a lower machine base (C11) and an upper machine base (C12) positioned above the lower machine base (C11), and the lower machine base (C11) is connected with the upper machine base (C12) through a guide column (C13);
the middle part of the lower machine base (C11) is provided with a lower die base (C21), and the middle part of the lower die base (C21) is provided with a left lower die block (C221) and a right lower die block (C222); an oil cylinder (C14) is installed at the top of the upper machine base (C12), an output shaft of the oil cylinder (C14) is connected with an upper die holder (C31) downwards, and a left upper die block (C321) and a right upper die block (C322) are arranged in the middle of the upper die holder (C31);
a groove (C23) is formed on the lower left module (C221), and the groove (C23) comprises two inclined surfaces (C231) and a concave arc surface (C232) positioned between the two inclined surfaces; the top of the upper left module (C321) is provided with a convex arc block (C3211) matched with the concave arc surface (C232);
an inclined ridge (C2221) is arranged in the middle of the right lower module (C222); the upper right module (C322) is matched with the lower right module (C222);
the left side of the left lower module (C221) is provided with a left baffle (C25), and the right side of the right lower module (C222) is provided with a right baffle (C26);
a bending limiting block (C27) is arranged behind the left lower die block (C221) and the right lower die block (C222) of the lower die holder (C21);
the device also comprises a second console (C4) which can control the oil cylinder (C14) to extend and retract up and down;
the method for manufacturing the lower side door hinge of the rail transit truck open wagon comprises the following steps:
step 1: placing the iron sheet on a roller (A11) of a transport frame (A1), wherein the tail of the iron sheet is clamped between limiting columns (A12);
step 2: a worker pushes the iron sheet by hand until the tail of the iron sheet is blocked by the break limiting block (A22) and cannot be pushed; the switch handle (A322) is pulled down, the cutter head (A321) extends out, the iron sheet is broken off to form a short iron sheet, and the short iron sheet naturally falls into the carrier vehicle (A4);
and step 3: repeating the step 1-2;
and 4, step 4: pushing the last iron sheet section directly into a loading vehicle (A4);
and 5: repeating the steps 1-4 to finish the work of processing the iron sheet into the folding plate (B6);
step 6: placing the folding plate (B6) on a second placing rack (B42), wherein the folding plate (B6) is positioned by a folding plate limiting block (B422);
and 7: the first console (B5) controls the pressing oil cylinder (B31) to drive the pressing block (B32) to move downwards, and the pressing block (B32) presses the folding plate (B6) on the second placing rack (B42);
and 8: a top arc oil cylinder (B21) is controlled by a first control console (B5) to drive a top arc block (B22) to move rightwards, a folding plate (B6) enters a top arc groove (B224) in the top arc block (B22), and a folding plate (B6) is processed into a hinge (C5);
and step 9: controlling a pressing oil cylinder (B31) to drive a pressing block (B32) to move upwards through a first control console (B5), enabling a top arc block (B22) to move leftwards, taking out folding plates (B6), repeating the steps 6-8, and processing all the folding plates (B6) into hinges (C5);
step 10: the left end of a hinge (C5) extends into a left lower module (C221), is positioned by a left baffle (C25) and a bending limiting block (C27), and operates an upper die holder (C31) to move downwards by a second control console (C4); when the left lower die block (C221) is contacted with the left upper die block (C321), the right end of the hinge (C5) is lifted upwards to bend the left end of the hinge (C5), the upper die base (C31) moves upwards, and the hinge (C5) is taken out;
step 11: the right end of a hinge (C5) extends into a right lower module (C222), is positioned by a right baffle (C26) and a bending limiting block (C27), and operates an upper die holder (C31) to move downwards by a second control console (C4); the upper right module (C322) is contacted with the lower right module (C222) to complete the bending of the right end of the hinge (C5), the upper die holder (C31) moves upwards, and the hinge (C5) is taken out; completing the bending of a hinge (C5);
step 12: and (5) repeating the steps 10-11 to finish bending all the hinges (C5).
2. The method for manufacturing the bottom side door hinge of the rail transit truck gondola as claimed in claim 1, characterized in that: the right side of the unloading rack (A2) is provided with a baffle (A21); the roller (A11) is provided with a groove (A111) in the middle.
3. The method for manufacturing the bottom side door hinge of the rail transit truck open wagon of claim 1 or 2, wherein the method comprises the following steps: a top arc limiting block (B421) is arranged at the left side of the second placing rack (B42); the number of the pressing oil cylinders (B31) is two.
4. The method for manufacturing the bottom side door hinge of the rail transit truck gondola as claimed in claim 3, characterized in that: one diagonal of the lower die holder (C21) is provided with a lower limiting column (C24), and one diagonal of the upper die holder (C31) is provided with an upper limiting column (C33) matched with the lower limiting column (C24).
CN201910969149.3A 2019-10-12 2019-10-12 Method for manufacturing lower side door hinge of rail transit truck Active CN110883263B (en)

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CN201910969149.3A CN110883263B (en) 2019-10-12 2019-10-12 Method for manufacturing lower side door hinge of rail transit truck

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Application Number Priority Date Filing Date Title
CN201910969149.3A CN110883263B (en) 2019-10-12 2019-10-12 Method for manufacturing lower side door hinge of rail transit truck

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CN110883263A CN110883263A (en) 2020-03-17
CN110883263B true CN110883263B (en) 2020-12-01

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561893A (en) * 1995-05-01 1996-10-08 Apple Computer, Inc. Method of forming a hinge structure
KR20120126455A (en) * 2011-05-11 2012-11-21 주식회사 성우하이텍 Bending device
CN206731938U (en) * 2017-04-20 2017-12-12 吉林省冠中汽车零部件有限公司 A kind of automobile exhaust system suspension hook rotates Bending Mould
CN207508114U (en) * 2017-12-07 2018-06-19 安徽力源数控刃模具制造有限公司 A kind of hinge-type interconnects component one-time-shaped mould
CN207538622U (en) * 2017-11-09 2018-06-26 武汉世纪宏设备制造有限责任公司 A kind of rail traffic side door structure
CN208178166U (en) * 2018-05-08 2018-12-04 重庆揽搏挽科技有限公司 A kind of dedicated bending machine of New type hinge hinge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5561893A (en) * 1995-05-01 1996-10-08 Apple Computer, Inc. Method of forming a hinge structure
KR20120126455A (en) * 2011-05-11 2012-11-21 주식회사 성우하이텍 Bending device
CN206731938U (en) * 2017-04-20 2017-12-12 吉林省冠中汽车零部件有限公司 A kind of automobile exhaust system suspension hook rotates Bending Mould
CN207538622U (en) * 2017-11-09 2018-06-26 武汉世纪宏设备制造有限责任公司 A kind of rail traffic side door structure
CN207508114U (en) * 2017-12-07 2018-06-19 安徽力源数控刃模具制造有限公司 A kind of hinge-type interconnects component one-time-shaped mould
CN208178166U (en) * 2018-05-08 2018-12-04 重庆揽搏挽科技有限公司 A kind of dedicated bending machine of New type hinge hinge

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