CN110695312B - Forming die for railway base plate - Google Patents
Forming die for railway base plate Download PDFInfo
- Publication number
- CN110695312B CN110695312B CN201910932007.XA CN201910932007A CN110695312B CN 110695312 B CN110695312 B CN 110695312B CN 201910932007 A CN201910932007 A CN 201910932007A CN 110695312 B CN110695312 B CN 110695312B
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- box
- fixed
- die
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- bearing frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/08—Strippers actuated mechanically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a forming die for a railway base plate, which comprises a bearing frame and a top column, wherein a clamping groove is formed in the inner bottom of a bearing box, a hydraulic cylinder is fixed on a supporting plate, a clamping block is fixed at the bottom of a die box, the top column penetrates through the bottom of the die box, fixed blocks are fixed on the left side and the right side of the top column, the fixed blocks and a compression spring are arranged in sliding grooves, a die strip is fixed at the inner bottom of the die box, a second liquid pump is arranged in the bearing box, the lower side of a water outlet pipeline is connected with a cooling pipeline through a pipe hoop, and heat dissipation fans are arranged on the front side and the rear side of the cooling pipeline. This forming die for railway backing plate, the coolant liquid after carrying out the primary cooling can get back to the liquid reserve tank again through outlet conduit and cooling tube in proper order to carry out the cyclic utilization of coolant liquid, and the coolant liquid is when cooling tube, and the heat dissipation fan can carry out timely cooling to the coolant liquid, thereby makes things convenient for subsequent use.
Description
Technical Field
The invention relates to the technical field of railway tie plates, in particular to a forming die for a railway tie plate.
Background
The railway base plate is arranged between a frog guard rail and a switch tie, provides firm connection conditions for the guard rail and a traveling rail, ensures the width of a wheel flange groove of the guard rail and the driving safety, is one of important parts of a track, has the function of ensuring that a vehicle smoothly passes through a turnout frog part or a special area such as a bridge and the like without derailment accidents, and simultaneously needs to use a forming die when producing the railway base plate.
The existing forming die is used for cooling and forming the railway base plate, the cooling liquid is difficult to recycle, and the railway base plate after cooling and forming is difficult to take out of the die box, so that the railway base plate is not convenient and fast to use, and the existing equipment needs to be improved aiming at the problems.
Disclosure of Invention
The invention aims to provide a forming die for a railway tie plate, which solves the problems that in the prior forming die in the background art, cooling liquid is difficult to recycle in the process of cooling and forming the railway tie plate, and the railway tie plate after cooling and forming is difficult to take out of a die box.
In order to achieve the purpose, the invention provides the following technical scheme: a forming die for a railway base plate comprises a bearing frame and a top column, wherein a liquid storage tank is arranged in the bearing frame, an electric water valve penetrates through the left side of the liquid storage tank, a first liquid pump is arranged in the liquid storage tank, a connecting pipeline is arranged on the upper side of the first liquid pump and penetrates through the top of the liquid storage tank, the top of the connecting pipeline is connected with a water inlet pipeline through a pipe hoop, the water inlet pipeline penetrates through the left side of the bearing box, the bottom of the bearing box is arranged in a groove, the groove is formed in the upper end face of the bearing frame, the bottom of the bearing box is fixed on the bearing frame through a first bolt, a clamping groove is formed in the inner bottom of the bearing box, a supporting plate is arranged in the clamping groove and fixed on the bearing box through a second bolt, a hydraulic cylinder is fixed on the supporting plate, and the upper side of the hydraulic cylinder is connected, meanwhile, a die box is arranged on the upper side of the top plate, a clamping block is fixed at the bottom of the die box and penetrates through the left side and the right side of the top plate, the ejection column penetrates through the bottom of the die box and is arranged on the outer side of the top plate, the ejection column is fixed on the die box through a pressing rod, fixed blocks are fixed on the left side and the right side of the ejection column, the upper side of each fixed block is connected with the die box through a compression spring, the fixed blocks and the compression springs are arranged in sliding grooves, the sliding grooves are formed in the die box, die strips are fixed at the inner bottom of the die box, a top cover is fixed at the top of the bearing box through a third bolt, hole plugs are fixed in the top cover through a fourth bolt, a second liquid pump is arranged in the bearing box, a water outlet pipeline is arranged on the right side of the second liquid pump and penetrates through the right side of the bearing box, the lower side of the, and the cooling pipeline runs through the top of the bearing frame and the right side of the liquid storage tank, the front side and the rear side of the cooling pipeline are both provided with heat dissipation fans, and the heat dissipation fans are fixed on the side wall of the bearing frame.
Preferably, the bearing box is in threaded connection with the bearing frame through the first bolt.
Preferably, the support plate is connected with the bearing box through the second bolt in a threaded manner.
Preferably, the hydraulic cylinder and the top plate form a telescopic structure through a hydraulic rod, and the top plate is connected with the die box in a clamping manner through a clamping block.
Preferably, the ejection column forms a telescopic structure with the die box through a compression spring, the two ejection columns are arranged, and meanwhile the die box is in threaded connection with the compression rod.
Preferably, the fixed block is connected with the die box in a sliding manner through the sliding groove.
Preferably, the top of the mould strip is at the same level as the top of the top pillar.
Preferably, the top cover is in threaded connection with the bearing box through a third bolt, and the third bolt is symmetrically arranged.
Preferably, four heat dissipation fans are provided.
Compared with the prior art, the beneficial effects of the invention are that: the railway tie plate is used for the forming die,
(1) the device is provided with a liquid storage tank, an electric water valve, a connecting pipeline, a water inlet pipeline, a pipe hoop, a bearing box, a mold box, a water outlet pipeline and a cooling pipeline, wherein the connecting pipeline and the water inlet pipeline can be connected together after the pipe hoop on the left side is screwed down, the water outlet pipeline and the cooling pipeline can be connected together after the pipe hoop on the right side is screwed down, so that the device is fixedly installed, after the electric water valve on the upper side is opened, cooling liquid can enter the liquid storage tank, and then the cooling liquid can enter the bearing box through the connecting pipeline and the water inlet pipeline in sequence, so that the material in the mold box is cooled and molded;
(2) the mold box, the hole plug and the fourth bolt are arranged, the hole plug can be taken down after the fourth bolt is taken down, the material can be conveniently poured into the mold box, and the hole plug is fixed again after the pouring is finished, so that the forming work of the railway base plate can be conveniently carried out;
(3) the cooling device is provided with the liquid storage tank, the water outlet pipeline, the cooling pipeline and the heat dissipation fan, cooling liquid subjected to primary cooling can sequentially pass through the water outlet pipeline and the cooling pipeline and then return to the liquid storage tank again, so that the cooling liquid is recycled, and when the cooling liquid passes through the cooling pipeline, the heat dissipation fan can cool the cooling liquid in time, so that subsequent use is facilitated;
(4) the railway tie plate is provided with a bearing box, a top plate, a mold box and a third bolt, after the railway tie plate is molded, the third bolt is taken down, the top plate moves upwards to jack up the mold box until the mold box leaves the bearing box, and therefore the mold box is convenient to take;
(5) be provided with bearing box, mould box, fore-set and depression bar, after the mould box left bearing box, the manual mould box of upwards taking out and place the fore-set on the desktop, unscrew the depression bar back mould box and remove downwards to this is ejecting with the railway backing plate in the mould box, thereby conveniently takes out the railway backing plate.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic left-side sectional view of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. the bearing frame, 2, the liquid reserve tank, 3, electronic water valve, 4, first liquid pump, 5, connecting tube, 6, inlet channel, 7, the ferrule, 8, the bearing box, 9, the recess, 10, first bolt, 11, the draw-in groove, 12, the backup pad, 13, the second bolt, 14, the pneumatic cylinder, 15, the hydraulic stem, 16, the roof, 17, the mould box, 18, the fixture block, 19, the fore-set, 20, the depression bar, 21, the fixed block, 22, compression spring, 23, the spout, 24, the mould strip, 25, the top cap, 26, the third bolt, 27, the hole stopper, 28, the fourth bolt, 29, the second liquid pump, 30, outlet conduit, 31, cooling tube, 32, the heat dissipation fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a forming die for a railway tie plate is disclosed, according to the figure 1 and the figure 2, a liquid storage tank 2 is arranged in a bearing frame 1, an electric water valve 3 penetrates through the left side of the liquid storage tank 2, a first liquid pump 4 is arranged in the liquid storage tank 2, a connecting pipeline 5 is arranged on the upper side of the first liquid pump 4, meanwhile, the connecting pipeline 5 penetrates through the top of the liquid storage tank 2, the top of the connecting pipeline 5 is connected with the water inlet pipeline 6 through a pipe hoop 7, the water inlet pipe 6 penetrates through the left side of the bearing box 8, the bearing box 8 is in threaded connection with the bearing frame 1 through a first bolt 10, the bearing box 8 can be fixed on the bearing frame 1 by screwing the first bolt 10, thereby make things convenient for bearing box 8's installation and dismantlement, bearing box 8's bottom sets up in recess 9, and recess 9 sets up in bearing frame 1's up end, and bearing box 8's bottom is fixed on bearing frame 1 through first bolt 10 simultaneously.
According to the drawings of fig. 1, 2 and 3, a clamping groove 11 is formed at the inner bottom of the bearing box 8, a support plate 12 is arranged in the clamping groove 11, the support plate 12 is fixed on the bearing box 8 through a second bolt 13, the support plate 12 is in threaded connection with the bearing box 8 through the second bolt 13, after the work is finished and a die box 17 is taken out, the support plate 12 can be detached by taking down the second bolt 13, the hydraulic cylinder 14 on the support plate is convenient to clean and maintain, a hydraulic cylinder 14 is fixed on the support plate 12, the upper side of the hydraulic cylinder 14 is connected with a top plate 16 through a hydraulic rod 15, the die box 17 is arranged on the upper side of the top plate 16, the hydraulic cylinder 14 and the top plate 16 form a telescopic structure through a hydraulic rod 15, the top plate 16 is in clamping connection with the die box 17 through a clamping block 18, and the top plate 16 can move upwards under the action of the hydraulic cylinder 14 and, thereby drive mould box 17 and upwards remove until shifting it out of bearing box 8, manual mould box 17 that upwards removes again, until fixture block 18 and roof 16 phase separation to take off mould box 17, thereby make things convenient for the work of taking of follow-up railway backing plate.
Referring to fig. 1, 3 and 4, a fixture block 18 is fixed at the bottom of a mold box 17, the fixture block 18 penetrates through the left side and the right side of a top plate 16, a top pillar 19 penetrates through the bottom of the mold box 17, the top pillar 19 is arranged at the outer side of the top plate 16, the top pillar 19 is fixed on the mold box 17 through a pressure rod 20, the top pillar 19 and the mold box 17 form a telescopic structure through a compression spring 22, two top pillars 19 are arranged, the mold box 17 and the pressure rod 20 are connected in a threaded manner, the mold box 17 is taken out and placed on a table, the top pillar 19 is in contact with the table, the pressure rod 20 is unscrewed, the pressure rod 20 is separated from the top pillar 19, the mold box 17 moves downwards, the top pillar 19 ejects a railway tie plate from the mold box 17 so as to take out the railway tie plate, then the mold box 17 is taken up, the top pillar 19 can be reset under the action of the compression spring 22, and the pressure rod 20 is screwed, the top pillar 19, thereby make things convenient for the use of mould box 17 next time, the left and right sides of fore-set 19 all is fixed with fixed block 21, and the upside of fixed block 21 is connected with mould box 17 through compression spring 22, and fixed block 21 is sliding connection through the connected mode between spout 23 and the mould box 17, and fore-set 19 is at the in-process of rebound, and fixed block 21 slides in spout 23 to certain additional contribution is played in the removal of fore-set 19.
According to fig. 1, fig. 4 and fig. 5, the fixing block 21 and the compression spring 22 are both arranged in the sliding groove 23, the sliding groove 23 is formed in the mold box 17, a mold strip 24 is fixed to the inner bottom of the mold box 17, a top cover 25 is fixed to the top of the bearing box 8 through a third bolt 26, a hole plug 27 is fixed to the top cover 25 through a fourth bolt 28, the top of the mold strip 24 and the top of the top pillar 19 are located on the same horizontal plane, the mold strip 24 and the top pillar 19, of which the tops are located on the same horizontal plane, can enable the bottom of a material to obtain a more uniform molding effect, the top cover 25 is in threaded connection through a connection mode between the third bolt 26 and the bearing box 8, the third bolt 26 is symmetrically arranged, the top cover 25 can be detached by taking down the third bolt 26, and accordingly the subsequent movement of the mold box 17 is facilitated.
According to fig. 1, 4 and 6, a second liquid pump 29 is arranged in the bearing box 8, a water outlet pipe 30 is arranged on the right side of the second liquid pump 29, the water outlet pipe 30 penetrates through the right side of the bearing box 8, the lower side of the water outlet pipe 30 is connected with a cooling pipe 31 through a pipe hoop 7, the cooling pipe 31 penetrates through the top of the bearing frame 1 and the right side of the liquid storage box 2, heat dissipation fans 32 are arranged on the front side and the rear side of the cooling pipe 31, the heat dissipation fans 32 are fixed on the side wall of the bearing frame 1, the number of the heat dissipation fans 32 is four, and after one-time use, the cooling liquid passes through the cooling pipe 31, and the heat dissipation fans 32 can cool the cooling liquid timely and quickly so as to recycle the subsequent cooling liquid.
The working principle of the embodiment is as follows: when using the railway underlay molding die, the device is first placed at the desired location, the first bolt 10 is tightened, whereby the carrier box 8 is fixed to the carrier frame 1, the left pipe clamp 7 is tightened, whereby the connecting pipe 5 and the water inlet pipe 6 are connected together, the right pipe clamp 7 is tightened, whereby the water outlet pipe 30 and the cooling pipe 31 are connected together, the external power supply is connected, the electrically operated water valve 3 on the upper side is opened, whereby the cooling liquid is led into the liquid storage box 2, the first liquid pump 4 is started, whereby the cooling liquid is led into the carrier box 8 through the connecting pipe 5 and the water inlet pipe 6 in sequence, the fourth bolt 28 is removed, whereby the hole plug 27 is removed, the material is fed into the die box 17, the four bolts 28 are tightened again, whereby the hole plug 27 is fixed, whereby the cooling liquid in the carrier box 8 cools and molds the material in the die box 17, and subsequently the second liquid pump 29 is opened, the second liquid pump 29 pumps the once-used cooling liquid into the water outlet pipeline 30, then the cooling liquid returns to the liquid storage tank 2 through the cooling pipeline 31 again, the heat dissipation fan 32 is started on the way, the heat dissipation fan 32 dissipates heat and cools the surface of the cooling pipeline 31, the cooling liquid is rapidly cooled, then the first liquid pump 4 works again, the recycling of the cooling liquid is completed, the material is cooled and molded, after the railway backing plate is cooled and molded, the fourth bolt 28 is taken down, the top cover 25 is detached, the hydraulic cylinder 14 is started, the hydraulic cylinder 14 drives the hydraulic rod 15 to extend, the top plate 16 is driven to move upwards, the mold box 17 moves upwards along with the material until the material is moved out of the bearing box 8, the mold box 17 is moved upwards manually until the fixture block 18 is separated from the top plate 16, the mold box 17 is taken down and placed on a table top, the top pillar 19 is in contact with the table top, the press rod 20 is unscrewed, the die box 17 moves downwards, the jacking column 19 ejects the railway base plate, so that the railway base plate is taken out, after the work is finished, the second bolt 13 is taken down, the supporting plate 12 can be detached, the hydraulic cylinder 14 on the supporting plate is convenient to clean and maintain for the next use, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a forming die for railway tie plate, includes bearing frame (1) and fore-set (19), its characterized in that: a liquid storage tank (2) is arranged in the bearing frame (1), an electric water valve (3) penetrates through the left side of the liquid storage tank (2), a first liquid pump (4) is arranged in the liquid storage tank (2), a connecting pipeline (5) is arranged on the upper side of the first liquid pump (4), the connecting pipeline (5) penetrates through the top of the liquid storage tank (2), the top of the connecting pipeline (5) is connected with a water inlet pipeline (6) through a pipe hoop (7), the water inlet pipeline (6) penetrates through the left side of the bearing frame (8), the bottom of the bearing frame (8) is arranged in a groove (9), the groove (9) is formed in the upper end face of the bearing frame (1), the bottom of the bearing frame (8) is fixed on the bearing frame (1) through a first bolt (10), a clamping groove (11) is formed in the inner bottom of the bearing frame (8), and a supporting plate (12) is arranged in the clamping groove (11), meanwhile, a support plate (12) is fixed on a bearing box (8) through a second bolt (13), a hydraulic cylinder (14) is fixed on the support plate (12), the upper side of the hydraulic cylinder (14) is connected with a top plate (16) through a hydraulic rod (15), a mold box (17) is arranged on the upper side of the top plate (16), a fixture block (18) is fixed at the bottom of the mold box (17), the fixture block (18) penetrates through the left side and the right side of the top plate (16), a top column (19) penetrates through the bottom of the mold box (17), the top column (19) is arranged on the outer side of the top plate (16), the top column (19) is fixed on the mold box (17) through a pressure rod (20), fixing blocks (21) are fixed on the left side and the right side of the top column (19), the upper side of the fixing blocks (21) is connected with the mold box (17) through compression springs (22), and the fixing blocks (21) and the compression springs (22) are arranged in sliding grooves (23, the chute (23) is arranged on the mold box (17), a mold strip (24) is fixed at the inner bottom of the mold box (17), a top cover (25) is fixed on the top of the bearing box (8) through a third bolt (26), and a hole plug (27) is fixed in the top cover (25) through a fourth bolt (28), a second liquid pump (29) is arranged in the bearing box (8), a water outlet pipeline (30) is arranged on the right side of the second liquid pump (29), meanwhile, the water outlet pipeline (30) penetrates through the right side of the bearing box (8), the lower side of the water outlet pipeline (30) is connected with the cooling pipeline (31) through a pipe hoop (7), and the cooling pipeline (31) penetrates through the top of the bearing frame (1) and the right side of the liquid storage tank (2), both sides all are provided with heat dissipation fan (32) around cooling duct (31), and heat dissipation fan (32) are fixed on the lateral wall of bearing frame (1).
2. The forming die for a railway tie plate according to claim 1, wherein: the bearing box (8) is in threaded connection with the bearing frame (1) through a first bolt (10).
3. The forming die for a railway tie plate according to claim 1, wherein: the support plate (12) is in threaded connection with the bearing box (8) through a second bolt (13).
4. The forming die for a railway tie plate according to claim 1, wherein: the hydraulic cylinder (14) and the top plate (16) form a telescopic structure through a hydraulic rod (15), and the top plate (16) is connected with the die box (17) in a clamping mode through a clamping block (18).
5. The forming die for a railway tie plate according to claim 1, wherein: the ejection column (19) and the die box (17) form a telescopic structure through a compression spring (22), the number of the ejection columns (19) is two, and meanwhile the die box (17) and the pressing rod (20) are connected in a threaded mode.
6. The forming die for a railway tie plate according to claim 1, wherein: the fixed block (21) is connected with the die box (17) in a sliding mode through the sliding groove (23).
7. The forming die for a railway tie plate according to claim 1, wherein: the top of the mould strip (24) is on the same level with the top of the top pillar (19).
8. The forming die for a railway tie plate according to claim 1, wherein: the top cover (25) is in threaded connection with the bearing box (8) through a third bolt (26), and the third bolts (26) are symmetrically arranged.
9. The forming die for a railway tie plate according to claim 1, wherein: the number of the heat dissipation fans (32) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932007.XA CN110695312B (en) | 2019-09-29 | 2019-09-29 | Forming die for railway base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932007.XA CN110695312B (en) | 2019-09-29 | 2019-09-29 | Forming die for railway base plate |
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| Publication Number | Publication Date |
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| CN110695312A CN110695312A (en) | 2020-01-17 |
| CN110695312B true CN110695312B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910932007.XA Active CN110695312B (en) | 2019-09-29 | 2019-09-29 | Forming die for railway base plate |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695322A (en) * | 2019-09-24 | 2020-01-17 | 江苏永昊高强度螺栓有限公司 | High-strength wear-resistant bolt and machining process thereof |
| CN111716810A (en) * | 2020-05-26 | 2020-09-29 | 江苏益通流体科技有限公司 | Mold for machining cobalt-based and nickel-based materials with rapid cooling function for mechanical seal assembly |
| CN111645245B (en) * | 2020-05-30 | 2024-04-26 | 苏州童蒙养正精密制造科技有限公司 | Die casting equipment for LED lamp shell capable of eliminating die air holes |
| CN113199136B (en) * | 2021-07-07 | 2021-09-28 | 广东原点智能技术有限公司 | Laser milling equipment |
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| CN203470883U (en) * | 2013-09-27 | 2014-03-12 | 高要市鸿兴精密铸造有限公司 | Cooling water control device for casting mold |
| CN203610612U (en) * | 2013-12-12 | 2014-05-28 | 江苏金洋机械有限公司 | Casting mould for flat base plate for steel rail pillow |
| CN205128898U (en) * | 2015-11-20 | 2016-04-06 | 江西凯美达铝业有限公司 | Aluminium alloy forming die |
| CN206824646U (en) * | 2017-03-30 | 2018-01-02 | 昆山市长发铝业有限公司 | A kind of mould with hydrologic cycle cooling system |
| CN207887831U (en) * | 2018-01-25 | 2018-09-21 | 重庆固鼎合金材料有限公司 | Al-sr alloy stick molding die |
| CN108893672A (en) * | 2018-07-05 | 2018-11-27 | 江苏金洋机械有限公司 | A kind of railroad tie plate manufacturing method |
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2019
- 2019-09-29 CN CN201910932007.XA patent/CN110695312B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203470883U (en) * | 2013-09-27 | 2014-03-12 | 高要市鸿兴精密铸造有限公司 | Cooling water control device for casting mold |
| CN203610612U (en) * | 2013-12-12 | 2014-05-28 | 江苏金洋机械有限公司 | Casting mould for flat base plate for steel rail pillow |
| CN205128898U (en) * | 2015-11-20 | 2016-04-06 | 江西凯美达铝业有限公司 | Aluminium alloy forming die |
| CN206824646U (en) * | 2017-03-30 | 2018-01-02 | 昆山市长发铝业有限公司 | A kind of mould with hydrologic cycle cooling system |
| CN207887831U (en) * | 2018-01-25 | 2018-09-21 | 重庆固鼎合金材料有限公司 | Al-sr alloy stick molding die |
| CN108893672A (en) * | 2018-07-05 | 2018-11-27 | 江苏金洋机械有限公司 | A kind of railroad tie plate manufacturing method |
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| CN110695312A (en) | 2020-01-17 |
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