CN216359271U - Stamping welding forming device for wagon box of mine car - Google Patents
Stamping welding forming device for wagon box of mine car Download PDFInfo
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- CN216359271U CN216359271U CN202123016096.5U CN202123016096U CN216359271U CN 216359271 U CN216359271 U CN 216359271U CN 202123016096 U CN202123016096 U CN 202123016096U CN 216359271 U CN216359271 U CN 216359271U
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Abstract
The utility model discloses a stamping, welding and forming device for a wagon box of a mine car, which comprises a hydraulic system, an electric control system, a bottom plate, a male die and a female die positioned right above the male die, wherein the top of the female die is arranged at the bottom of a sliding block of a press machine through a connecting piece; the bottom plate is horizontally arranged, the male die is arranged on the bottom plate, a set of hydraulic clamping mechanism used for positioning the end plate is arranged at the left end and the right end of the male die on the bottom plate respectively, the electric control system is used for controlling the hydraulic system and the press machine, and the hydraulic system is used for providing hydraulic power for the action of the hydraulic clamping mechanism. The end plate of the carriage is accurately positioned by the positioning oil cylinder with a fixed stroke, and the pressing oil cylinder is quickly pressed, so that the carriage after being spliced, stamped and formed has a standard geometric shape, uniform specification and reliable quality.
Description
Technical Field
The utility model belongs to the technical field of mining machinery manufacturing, and particularly relates to a stamping and welding forming device for a wagon box of a mine car.
Background
The tramcar carriage is formed by welding two end plates with 90-degree short folded edges and a box plate bent into a U shape, the conventional processing method is that the U-shaped edge of the blanked U-shaped end plate is punched through a special die, the U-shaped edge is turned over to form 90-degree short folded edges, the blanked box plate is rolled and bent into a U shape, the formed end plates and the box plate are spliced and welded into a whole manually, and the geometric shapes of the spliced carriages are inconsistent, nonstandard, unqualified in quality and low in production efficiency due to the fact that arc line errors of the box plate rolling are large. In order to solve the technical problem of large rolling error of the car trunk plate, patent application No. 201120319979.0 and publication No. CN202263805U disclose a one-step forming machine for a U-shaped car trunk plate of a side-turning mine car, wherein upper and lower U-shaped stamping dies are adopted, so that the formed car trunk plate has consistent geometric shape, but the splicing and welding of the end plate and the car trunk plate are still manual, and although the geometric shape and the quality of the car trunk are greatly improved, the car trunk has a lot of defects compared with the standard; patent application No. 200720066248.3, No. CN201012372Y, disclose a mine car forming machine, its shaping principle is put into the lower mould with the head board at car boxboard and both ends on, go up the mould and fall under the hydro-cylinder effect and take shape the car boxboard suppression, it is peripheral to put the edge board at the lower mould again, accomplish whole spot welding forming process, the utility model discloses below exist not enough, the head board at railway carriage both ends compresses tightly on the both ends face of lower mould through holding screw, the head board is under the pressure effect that the screw rod produced, must take place to warp, and simultaneously, the welding back will produce welding stress between head board and the railway carriage inter-plate, this makes the railway carriage after shaping take place to warp, cause the drawing of patterns difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides the stamping, welding and forming device for the wagon box of the mine car, which has the advantages of accurate positioning of the wagon box assembly, simplicity in operation and control, convenience in demoulding and high forming efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme: a stamping, welding and forming device for a wagon box of a mine car comprises a hydraulic system, an electric control system, a bottom plate, a male die and a female die positioned right above the male die, wherein the top of the female die is arranged at the bottom of a sliding block of a press machine through a connecting piece; the bottom plate is horizontally arranged, the male die is arranged on the bottom plate, a set of hydraulic clamping mechanism used for positioning the end plate is arranged at the left end and the right end of the male die on the bottom plate respectively, the electric control system is used for controlling the hydraulic system and the press machine, and the hydraulic system is used for providing hydraulic power for the action of the hydraulic clamping mechanism.
The die comprises a plurality of first U-shaped vertical plates arranged at intervals in the left-right direction, an opening of each first U-shaped vertical plate faces downwards, the two adjacent first U-shaped vertical plates are connected into a whole through a plurality of first connecting rib plates, and the inner side edge of each first connecting rib plate is flush with the inner side edge of each first U-shaped vertical plate.
The male die comprises a plurality of second U-shaped vertical plates which are arranged at intervals in the left-right direction, the opening of each second U-shaped vertical plate faces downwards, two ends of the lower part of each second U-shaped vertical plate are fixedly connected to the bottom plate, two adjacent second U-shaped vertical plates are connected into a whole through a plurality of second connecting rib plates, and the outer side edges of the second connecting rib plates are flush with the outer side edges of the second U-shaped vertical plates; all the second U-shaped vertical plates and the second connecting rib plates form a left-right through U-shaped cavity.
The two sets of hydraulic clamping mechanisms have the same structure and are symmetrically arranged on the left side and the right side; every set of hydraulic clamping mechanism all includes the U type fixed plate that is on a parallel with second U type riser, U type fixed plate lower extreme fixed connection is on the bottom plate, the installation space that is used for placing mine car carriage end board has between U type fixed plate and the second U type riser of tip, install a plurality of compression cylinder on the U type fixed plate, install a plurality of positioning cylinder on the second U type riser of tip, compression cylinder and positioning cylinder's central line all sets up along controlling the mode, compression cylinder's piston rod right-hand member is equipped with the compact heap that stretches into in the installation space, positioning cylinder's piston rod left end is equipped with the locating piece that stretches into in the installation space.
The number of the positioning oil cylinders is equal to that of the pressing oil cylinders, and the positioning oil cylinders and the pressing oil cylinders are arranged in a left-right one-to-one correspondence manner.
The hydraulic system and the electric control system are both arranged on the bottom plate through bolts and are positioned in the U-shaped cavity.
By adopting the technical scheme, the working method comprises the following steps:
(1) the electric control system and the hydraulic system are operated, the positioning oil cylinders of the two sets of hydraulic clamping mechanisms extend the positioning piston rods simultaneously under the action of high-pressure oil, and the positioning oil cylinders are fixed-stroke oil cylinders, so that the left end surfaces of the positioning blocks at the left ends of the piston rods of all the positioning oil cylinders on the left side are positioned on the same vertical plane, and the right end surfaces of the positioning blocks at the right ends of the piston rods of all the positioning oil cylinders on the right side are positioned on the same vertical plane;
(2) an end plate on the left side of a carriage is vertically placed in the installation space on the left side of the left side positioning block, an end plate on the right side of the carriage is vertically placed in the installation space on the right side of the right side positioning block, and the straight edges of the lower sides of the two end plates are both in contact with the bottom plate;
(3) operating the electric control system, enabling piston rods of all the pressing oil cylinders to extend out, tightly pressing the end plates on positioning blocks on the end faces of the piston rods of the positioning oil cylinders by the pressing blocks, and positioning the left end plates and the right end plates;
(4) placing the trunk plate on the topmost part of the male die, and spot-welding the splicing positions of the two end plates and the middle positions of the left side edge and the right side edge of the trunk plate;
(5) operating the electric control system, starting the press machine, driving the slide block of the press machine to move downwards to drive the female die to punch the car box plate downwards, bending and deforming the car box plate into a U shape under the mutual extrusion of the outer contour of the male die and the inner contour of the female die, fully contacting the U-shaped inner side surface of the car box plate with the outer edges of the two end plates, and spot-welding the U-shaped seams of the end plates and the car box plate;
(6) operating an electric control system, driving the female die to lift upwards by a slide block of a press machine, and retracting piston rods of a positioning oil cylinder and a pressing oil cylinder;
(7) and lifting the carriage formed by stamping and spot welding upwards to separate from the male die.
The working principle of the utility model is that piston rods of positioning oil cylinders which are arranged on a bottom plate and are positioned at the left end and the right end of a male die extend out to form a vertical positioning surface, then end plates of a carriage are respectively placed at the two ends of the male die, piston rods of a pressing oil cylinder extend to tightly press and fix the end plates on the end surfaces of positioning blocks at the end parts of piston rods of the positioning oil cylinders, then a carriage plate is placed on the male die, the joint parts of the middle positions of the two ends of the carriage plate and the end plates are subjected to spot welding, a female die is used for stamping the carriage plate to bend the carriage plate into a U shape under the action of a press machine and is in close contact with the periphery of the end plates, the contact parts of the end plates and the carriage plate are subjected to spot welding, the female die is lifted after the spot welding is completed, and the positioning oil cylinders and the pressing oil cylinders retract simultaneously, so that enough non-contact space is formed between the two ends of the carriage and the male die, and the rapid demoulding is greatly facilitated. The two ends of the male die are provided with the positioning oil cylinders and the pressing oil cylinders in pairs, and the number of the positioning oil cylinders and the pressing oil cylinders can be increased or reduced according to the size of a carriage to be manufactured.
The male die and the female die have the same structure, and the peripheral size of the male die is slightly smaller than the size of the inner cavity of the female die. The inner side edge of the first connecting rib plate is flush with the inner side edge of the second U-shaped vertical plate, the outer side edge of the second connecting rib plate is flush with the outer side edge of the second U-shaped vertical plate, so that when the car trunk plate is downwards stamped by the female die, the bearing areas of the upper surface and the lower surface of the car trunk plate are larger and more uniform, and the stability and the reliability of stamping are ensured.
The pressing oil cylinders and the positioning oil cylinders are arranged in pairs, and the center lines of the left and right corresponding pressing oil cylinders and the center lines of the positioning oil cylinders coincide, so that when the end plate is pressed, the end plate can be prevented from being locally sunken or protruded.
The hydraulic system and the electric control system are arranged on the bottom plate and are positioned in the U-shaped cavity, so that not only is the space fully utilized, but also better safety is achieved.
In conclusion, the utility model has compact structure and easy operation, the end plate of the carriage is accurately positioned by the positioning oil cylinder with fixed stroke, and the pressing oil cylinder is quickly pressed, so that the carriage after splicing, stamping and forming has standard geometric shape, uniform specification and reliable quality, when the carriage after stamping, welding and forming is demolded with the male die, the positioning oil cylinder and the pressing oil cylinder are retracted, the end plate of the carriage is not contacted with two end surfaces of the male die, and the demolding is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of the male mold of the present invention.
Fig. 3 is a schematic structural view of a male die for positioning a trunk header plate in the utility model.
Fig. 4 is a schematic structural view of a male die of the end board of the truck bed in a positioning and pressing state.
FIG. 5 is a schematic structural view of a male mold used in demolding after the wagon box is stamped.
Detailed Description
As shown in FIGS. 1-5, the stamping, welding and forming device for the wagon box of the mine car comprises a hydraulic system 8, an electric control system 9, a bottom plate 2, a male die and a female die positioned right above the male die, wherein the top of the female die is arranged at the bottom of a slide block of a press (not shown) through a connecting piece 12; the bottom plate 2 is horizontally arranged, the male die is arranged on the bottom plate 2, a set of hydraulic clamping mechanism used for positioning the end plate 10 is respectively arranged at the left end and the right end of the male die on the bottom plate 2, the electric control system 9 is used for controlling the hydraulic system 8 and the press machine, and the hydraulic system 8 is used for providing hydraulic power for the action of the hydraulic clamping mechanism.
The female die comprises a plurality of first U-shaped vertical plates 1-1 which are arranged at intervals in the left-right direction, the opening of each first U-shaped vertical plate 1-1 faces downwards, two adjacent first U-shaped vertical plates 1-1 are connected into a whole through a plurality of first connecting rib plates 1-2, and the inner side edges of the first connecting rib plates 1-2 are flush with the inner side edges of the first U-shaped vertical plates 1-1.
The male die comprises a plurality of second U-shaped vertical plates 5 which are arranged at intervals in the left-right direction, the opening of each second U-shaped vertical plate 5 faces downwards, two ends of the lower part of each second U-shaped vertical plate 5 are fixedly connected to the bottom plate 2, two adjacent second U-shaped vertical plates 5 are connected into a whole through a plurality of second connecting rib plates 7, and the outer side edges of the second connecting rib plates 7 are flush with the outer side edges of the second U-shaped vertical plates 5; all the second U-shaped vertical plates 5 and the second connecting rib plates 7 form a left-right through U-shaped cavity 15.
The two sets of hydraulic clamping mechanisms have the same structure and are symmetrically arranged on the left side and the right side; every set of hydraulic clamping mechanism all includes the U type fixed plate 4 that is on a parallel with second U type riser 5, 4 lower extreme fixed connection of U type fixed plate are on bottom plate 2, the installation space that is used for placing mine car carriage end board 10 has between U type fixed plate 4 and the second U type riser 5 of tip, install a plurality of pressure cylinder 3 on the U type fixed plate 4, install a plurality of positioning cylinder 6 on the second U type riser 5 of tip, the central line of pressure cylinder 3 and positioning cylinder 6 all sets up along the left and right sides mode, the piston rod right-hand member of pressure cylinder 3 is equipped with the compact heap 13 that stretches into in the installation space, the piston rod left end of positioning cylinder 6 is equipped with the locating piece 14 that stretches into in the installation space.
The number of the positioning oil cylinders 6 is equal to that of the pressing oil cylinders 3, and the positioning oil cylinders and the pressing oil cylinders are arranged in a left-right one-to-one correspondence mode.
The hydraulic system 8 and the electric control system 9 are both arranged on the bottom plate 2 through bolts and are positioned in the U-shaped cavity 15.
The utility model relates to a working method of a stamping, welding and forming device for a wagon box of a mine car, which comprises the following steps of:
(1) the electric control system 9 and the hydraulic system 8 are operated to work, the positioning oil cylinders 6 of the two sets of hydraulic clamping mechanisms extend positioning piston rods simultaneously under the action of high-pressure oil, and the positioning oil cylinders 6 are fixed-stroke oil cylinders, so that the left end surfaces of the positioning blocks 14 at the left ends of the piston rods of all the positioning oil cylinders 6 on the left side are positioned on the same vertical plane, and the right end surfaces of the positioning blocks 14 at the right ends of the piston rods of all the positioning oil cylinders 6 on the right side are positioned on the same vertical plane;
(2) an end plate 10 on the left side of a carriage is vertically placed in the installation space on the left side of the left side positioning block 14, an end plate 10 on the right side of the carriage is vertically placed in the installation space on the right side of the right side positioning block 14, and the lower straight edges of the two end plates 10 are both contacted with the bottom plate 2;
(3) operating the electric control system 9, extending the piston rods of all the pressing oil cylinders 3, tightly pressing the end plates 10 on the positioning blocks 14 on the end surfaces of the piston rods of the positioning oil cylinders 6 by the pressing blocks 13, and positioning the end plates 10 on the left side and the right side;
(4) placing the trunk plate 11 on the topmost part of the male die, and spot-welding the splicing positions of the two end plates 10 and the middle positions of the left side edge and the right side edge of the trunk plate 11;
(5) the electric control system 9 is operated, the press machine is started, the slide block of the press machine moves downwards to drive the female die to punch the car box plate 11 downwards, the car box plate 11 bends and deforms into a U shape under the mutual extrusion of the outer contour of the male die and the inner contour of the female die, the U-shaped inner side face of the car box plate 11 is fully contacted with the outer edges of the two end plates 10, and the U-shaped joint of the end plates 10 and the car box plate 11 is spot-welded;
(6) the electric control system 9 is operated, the slide block of the press machine drives the female die to lift upwards, and the piston rods of the positioning oil cylinder 6 and the pressing oil cylinder 3 are retracted;
(7) and lifting the carriage formed by stamping and spot welding upwards to separate from the male die.
The press machine, the hydraulic system 8 and the electric control system 9 are all existing equipment and can be purchased in the market, and in addition, the electric control system 9 does not need new computer programs for automatically controlling the press machine, the pressing oil cylinder 3 and the positioning oil cylinder 6.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a tramcar railway carriage punching press welding forming device which characterized in that: the device comprises a hydraulic system, an electric control system, a bottom plate, a male die and a female die positioned right above the male die, wherein the top of the female die is arranged at the bottom of a sliding block of a press machine through a connecting piece; the bottom plate is horizontally arranged, the male die is arranged on the bottom plate, a set of hydraulic clamping mechanism used for positioning the end plate is arranged at the left end and the right end of the male die on the bottom plate respectively, the electric control system is used for controlling the hydraulic system and the press machine, and the hydraulic system is used for providing hydraulic power for the action of the hydraulic clamping mechanism.
2. The stamping, welding and forming device for the wagon box of the mine car according to claim 1, wherein: the die comprises a plurality of first U-shaped vertical plates arranged at intervals in the left-right direction, an opening of each first U-shaped vertical plate faces downwards, the two adjacent first U-shaped vertical plates are connected into a whole through a plurality of first connecting rib plates, and the inner side edge of each first connecting rib plate is flush with the inner side edge of each first U-shaped vertical plate.
3. The stamping, welding and forming device for the wagon box of the mine car as claimed in claim 2, wherein: the male die comprises a plurality of second U-shaped vertical plates which are arranged at intervals in the left-right direction, the opening of each second U-shaped vertical plate faces downwards, two ends of the lower part of each second U-shaped vertical plate are fixedly connected to the bottom plate, two adjacent second U-shaped vertical plates are connected into a whole through a plurality of second connecting rib plates, and the outer side edges of the second connecting rib plates are flush with the outer side edges of the second U-shaped vertical plates; all the second U-shaped vertical plates and the second connecting rib plates form a left-right through U-shaped cavity.
4. The stamping, welding and forming device for the wagon box of the mine car according to claim 3, wherein: the two sets of hydraulic clamping mechanisms have the same structure and are symmetrically arranged on the left side and the right side; every set of hydraulic clamping mechanism all includes the U type fixed plate that is on a parallel with second U type riser, U type fixed plate lower extreme fixed connection is on the bottom plate, the installation space that is used for placing mine car carriage end board has between U type fixed plate and the second U type riser of tip, install a plurality of compression cylinder on the U type fixed plate, install a plurality of positioning cylinder on the second U type riser of tip, compression cylinder and positioning cylinder's central line all sets up along controlling the mode, compression cylinder's piston rod right-hand member is equipped with the compact heap that stretches into in the installation space, positioning cylinder's piston rod left end is equipped with the locating piece that stretches into in the installation space.
5. The stamping, welding and forming device for the wagon box of the mine car as claimed in claim 4, wherein: the number of the positioning oil cylinders is equal to that of the pressing oil cylinders, and the positioning oil cylinders and the pressing oil cylinders are arranged in a left-right one-to-one correspondence manner.
6. The stamping, welding and forming device for the wagon box of the mine car as claimed in claim 4, wherein: the hydraulic system and the electric control system are both arranged on the bottom plate through bolts and are positioned in the U-shaped cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123016096.5U CN216359271U (en) | 2021-12-03 | 2021-12-03 | Stamping welding forming device for wagon box of mine car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123016096.5U CN216359271U (en) | 2021-12-03 | 2021-12-03 | Stamping welding forming device for wagon box of mine car |
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| CN216359271U true CN216359271U (en) | 2022-04-22 |
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| CN202123016096.5U Active CN216359271U (en) | 2021-12-03 | 2021-12-03 | Stamping welding forming device for wagon box of mine car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996678A (en) * | 2021-12-03 | 2022-02-01 | 中平能化集团天工机械制造有限公司 | Stamping, welding and forming device for wagon box of mine car and working method of stamping, welding and forming device |
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2021
- 2021-12-03 CN CN202123016096.5U patent/CN216359271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996678A (en) * | 2021-12-03 | 2022-02-01 | 中平能化集团天工机械制造有限公司 | Stamping, welding and forming device for wagon box of mine car and working method of stamping, welding and forming device |
| CN113996678B (en) * | 2021-12-03 | 2024-08-27 | 中平能化集团天工机械制造有限公司 | Stamping, welding and forming device for mining car carriage and working method thereof |
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