CN219820416U - One-step molding production die for UPR material fastener cover - Google Patents
One-step molding production die for UPR material fastener cover Download PDFInfo
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- CN219820416U CN219820416U CN202320851108.6U CN202320851108U CN219820416U CN 219820416 U CN219820416 U CN 219820416U CN 202320851108 U CN202320851108 U CN 202320851108U CN 219820416 U CN219820416 U CN 219820416U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000465 moulding Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a one-step molding production die for UPR material fastener covers, which comprises an upper die and a lower die, wherein an upper die cavity is formed in the upper die, a lower die head matched with the upper die cavity is formed in the lower die, two sides of the upper die are fixedly connected with an upper die plate which is horizontally arranged through a connecting plate, the lower die is fixedly arranged on the lower die plate which is horizontally arranged, and the top of the upper die is connected with a lifting device; an ejector plate is arranged between the upper die plate and the upper die, a plurality of ejector plate reset rods and a plurality of ejector rods are vertically and fixedly arranged below the ejector plate, a first through hole corresponding to the ejector plate reset rods and a second through hole corresponding to the ejector rods are formed in the upper die, and the second through hole is arranged corresponding to an upper die cavity of the upper die.
Description
Technical Field
The utility model relates to the technical field of high-speed rail traffic, in particular to a one-step molding production die for a UPR material fastener cover.
Background
Railway fasteners are parts on rails for connecting rails and sleepers, also called intermediate connecting parts, and are easy to be seriously oxidized due to the fact that the fasteners are subjected to sun, wind, rain and the like for a long time. In view of the situation, the company adopts the molding compound UPR to produce a fastener cover made of UPR material for protecting the fastener, thereby further protecting the fastener, reducing damage, increasing service life and guaranteeing the traffic safety of the high-speed rail. In order to improve the production quality and efficiency of the fastener cover, the utility model provides the UPR material fastener cover one-step molding production die which has the advantages of simple structure, convenient use, capability of improving the molding dimensional precision and ensuring the product quality.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the UPR material fastener cover one-step molding production die which is simple in structure, convenient to use, capable of improving molding dimensional accuracy and guaranteeing product quality.
In order to solve the problems, the utility model adopts the following technical scheme:
the one-step molding production die for the UPR material fastener cover comprises an upper die and a lower die, wherein an upper die cavity is formed in the upper die, a lower die head matched with the upper die cavity is arranged in the lower die, two sides of the upper die are fixedly connected with an upper die plate which is horizontally arranged through a connecting plate, the lower die is fixedly arranged on a lower die plate which is horizontally arranged, and the top of the upper die is connected with a lifting device;
an ejector plate is arranged between the upper die plate and the upper die, a plurality of ejector plate reset rods and a plurality of ejector rods are vertically and fixedly arranged below the ejector plate, a first through hole corresponding to the ejector plate reset rods and a second through hole corresponding to the ejector rods are formed in the upper die, and the second through hole is arranged corresponding to an upper die cavity of the upper die.
As an implementation mode of the utility model, a plurality of chain lifting lugs are fixedly arranged at the edges of the upper die plate and the lower die, the chain lifting lugs on the upper die plate and the chain lifting lugs on the lower die are arranged in one-to-one correspondence in the vertical direction, and the two corresponding chain lifting lugs are connected together through a chain or a rope.
As one implementation mode of the utility model, a flash knife is arranged at the bottom edge of the upper mold cavity, and a flash groove corresponding to the flash knife is arranged on the upper surface of the lower mold.
As one implementation mode of the utility model, heating holes are arranged in the upper die and the lower die, and electric heating pipes are arranged in the heating holes.
As one embodiment of the present utility model, the heating holes in the upper die and the lower die are horizontally arranged, and the heating holes in the lower die are also horizontally arranged.
As one implementation mode of the utility model, when the ejector plate reset rod is supported on the lower die, the lower end of the ejector rod is flush with the two bottom ends of the through hole.
As one implementation mode of the utility model, the upper template is provided with an upper template fixing screw, the lower template is provided with a lower template fixing screw, the upper template is fixed on the hydraulic machine through the upper template fixing screw, and the lower template is fixed on the hydraulic platform through the lower template fixing screw.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the one-step molding production die for the UPR material fastener cover provided by the utility model has the advantages that the structure is simple, the use is convenient, the lower die head enters the upper die cavity of the upper die under the driving of the power of the hydraulic press, UPR material positioned on the lower die head is fully stressed and molded, and the molded UPR material fastener cover can be quickly solidified and molded through heating pipes in heating holes for heating.
The overflow knife arranged on the upper die and the overflow groove arranged on the lower die are mutually matched, redundant material edges on the molded UPR material fastener cover can be cut off through the overflow knife, air in the upper die cavity and gas generated by polymerization reaction of UPR materials can be discharged through the overflow groove, the dimensional accuracy of the UPR material fastener cover can be remarkably improved, the product quality is guaranteed, and the production cost is saved.
The UPR material fastener cover is easy to adhere in the upper mold cavity after being molded, the upper mold is controlled to ascend along with the hydraulic press, the UPR material fastener cover can drive the ejector rod and the ejector plate to move upwards together, the ejector plate can be pulled through the chain or the rope, and the ejector rod can eject the UPR material fastener cover from the upper mold cavity along with the continuous ascending of the upper mold.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present utility model.
Fig. 2 is an enlarged schematic view of a portion of fig. 1 at a.
Fig. 3 is a right-side view of the present utility model.
Wherein: the die comprises an upper die plate 1, an upper die plate 2, a lower die plate 3, an ejector plate 4, a reset rod, an ejector plate 5, an ejector rod 6, a chain 7, a chain lifting lug 8, a heating hole 9, a lower die plate 10, a flash blade 11, a flash tank 12, an upper die 13, a first 1301 through hole 1302 through hole, a second 14 upper die cavity, a lower die 15, a lower die 16 and a connecting plate 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be clearly and completely described in connection with the following specific embodiments.
Referring to fig. 1 and 3, a one-step molding production mold for a UPR material fastener cover comprises an upper mold 13 and a lower mold 15, wherein an upper mold cavity 14 is arranged on the upper mold 13, a lower mold head 15 matched with the upper mold cavity 14 is arranged on the lower mold 15, two sides of the upper mold 13 are fixedly connected with an upper mold plate 1 which is horizontally arranged through a connecting plate 17, the lower mold 15 is fixedly arranged on a lower mold plate 10 which is horizontally arranged, and the top of the upper mold 13 is connected with a lifting device;
an ejector plate 5 is arranged between the upper die plate 1 and the upper die 13, a plurality of ejector plate reset rods 4 and a plurality of ejector rods 6 are vertically and fixedly arranged below the ejector plate 5, a first through hole 1301 corresponding to the ejector plate reset rods 4 and a second through hole 1302 corresponding to the ejector rods 6 are formed in the upper die 13, and the second through hole 1302 is arranged corresponding to an upper die cavity 14 of the upper die 13.
Heating holes 9 are formed in the upper die 13 and the lower die 15, and electric heating pipes are arranged in the heating holes 9. As a further optimization, the heating holes 9 in the upper die 13 and the lower die 15 are horizontally arranged, and the heating holes 9 are also horizontally arranged in the lower die 16.
In this embodiment, a plurality of chain lifting lugs 8 are fixedly arranged at the edges of the upper die plate 1 and the lower die 15, the chain lifting lugs 8 on the upper die plate 1 and the chain lifting lugs 8 on the lower die 15 are arranged in a one-to-one correspondence in the vertical direction, and the two corresponding chain lifting lugs 8 are connected together through a chain 7 or a rope.
The one-step molding production die for the UPR material fastener cover is simple in structure and convenient to use, the upper die 13 descends under the power drive of the hydraulic press, the lower die head 16 enters the upper die cavity 14 of the upper die 13, UPR material on the lower die head 16 is fully stressed and molded, and the molded UPR material fastener cover can be quickly solidified and molded through heating pipes in the heating holes 9 to raise the temperature.
Referring to fig. 1-3, a flash 11 is provided at the bottom edge of the upper mold cavity 14, and a flash groove 12 corresponding to the flash 11 is provided on the upper surface of the lower mold 15. The flash blade 11 arranged on the upper die 13 and the flash groove 12 arranged on the lower die 15 are mutually matched, redundant material edges on the molded UPR material fastener cover can be cut off through the flash blade 11, air in the upper die cavity 14 and gas generated by polymerization reaction of UPR materials can be discharged through the flash groove 12, the dimensional accuracy of the UPR material fastener cover can be remarkably improved, the product quality is ensured, and the production cost is saved.
When the ejector plate reset rod 4 is supported on the lower die 15, the lower end of the ejector rod 6 is flush with the bottom end of the through hole two 1302. As a further optimization, the bottom end of the ejector rod 6 is matched with the contour of the upper mold cavity 14. The UPR material fastener cover is easy to adhere in the upper mold cavity 14 after being molded, the UPR material fastener cover can drive the ejector rod 6 and the ejector plate 5 to move upwards along with the ascending of the upper mold 13 controlled by the hydraulic press, the ejector plate 5 can be pulled by arranging the chain 7 or the rope, and the ejector rod 6 can eject the UPR material fastener cover from the upper mold cavity 14 along with the continuous ascending of the upper mold 13.
The upper template 1 is provided with an upper template fixing screw 2, the lower template 10 is provided with a lower template fixing screw 3, the upper template 1 is fixed on a lifting device through the upper template fixing screw 2, in the embodiment, the lifting device is a hydraulic machine, and the lower template 10 is fixed on a hydraulic platform through the lower template fixing screw 3.
The working process comprises the following steps:
the upper template 1 is fixed on a lifting slide block of the four-column hydraulic machine through an upper template fixing screw 2, and the lower template 10 is fixed on a platform of the four-column hydraulic machine through a lower template fixing screw 3;
opening a heating control system to heat the heating pipe;
placing the UPR material on the lower die 16 of the lower die 15 according to the required weight;
the four-column hydraulic press is started to control the upper die 13 to move downwards, at the moment, the lower end of the ejector plate reset rod 4 is contacted with the upper surface of the lower die 15, the ejector plate 5 and the upper die plate 1 move in opposite directions until the ejector plate 5 is positioned at the bottom of the upper die plate 1, meanwhile, UPR materials are fully stressed (the required pressure reaches 10-15 MPa), a small amount of materials flow into the overflow groove 12, and the materials are cut off through the overflow knife 11, so that the edges of subsequent products are conveniently cleaned;
the upper die 15 is kept pressed on the lower die head 16, the UPR material fastener cover is solidified and formed under the heating action of the heating pipe, after heat preservation and pressure maintaining are carried out for 5 minutes, the four-column hydraulic press controls the upper die 13 to ascend, the ejector plate 5 can be pulled downwards through the chain 7 during ascending, and the ejector rod 6 on the ejector plate 5 ejects the UPR material fastener cover out of the upper die 13;
UPR material is added after the mould is cleaned, and the circulation operation is carried out.
Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. One-step molding production die for UPR material fastener covers is characterized in that: the upper die is provided with an upper die cavity, the lower die is provided with a lower die head matched with the upper die cavity, two sides of the upper die are fixedly connected with an upper die plate arranged horizontally through connecting plates, the lower die is fixedly arranged on a lower die plate arranged horizontally, and the top of the upper die is connected with a lifting device;
an ejector plate is arranged between the upper die plate and the upper die, a plurality of ejector plate reset rods and a plurality of ejector rods are vertically and fixedly arranged below the ejector plate, a first through hole corresponding to the ejector plate reset rods and a second through hole corresponding to the ejector rods are formed in the upper die, and the second through hole is arranged corresponding to an upper die cavity of the upper die.
2. The UPR material fastener cover one-shot forming production die of claim 1, wherein: the upper die plate is characterized in that a plurality of chain lifting lugs are fixedly arranged at the edges of the upper die plate and the lower die, the chain lifting lugs on the upper die plate and the chain lifting lugs on the lower die are arranged in one-to-one correspondence in the vertical direction, and the two corresponding chain lifting lugs are connected together through a chain or a rope.
3. The UPR material fastener cover one-shot forming production die of claim 2, wherein: and a flash knife is arranged at the edge of the bottom of the upper model cavity, and a flash groove corresponding to the flash knife is arranged on the upper surface of the lower model.
4. A UPR material fastener cover one-shot forming production die according to any one of claims 1-3, wherein: heating holes are formed in the upper die and the lower die, and electric heating pipes are arranged in the heating holes.
5. The UPR material fastener cover one-shot forming production die of claim 4, wherein: the heating holes in the upper die and the lower die are horizontally arranged, and the heating holes are also horizontally arranged in the lower die head.
6. The UPR material fastener cover one-shot forming production die of claim 1, wherein: when the ejector plate reset rod is supported on the lower die, the lower end of the ejector rod is flush with the second bottom end of the through hole.
7. The UPR material fastener cover one-shot forming production die of claim 1, wherein: the upper template is provided with an upper template fixing screw, the lower template is provided with a lower template fixing screw, the upper template is fixed on the hydraulic machine through the upper template fixing screw, and the lower template is fixed on the hydraulic platform through the lower template fixing screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851108.6U CN219820416U (en) | 2023-04-17 | 2023-04-17 | One-step molding production die for UPR material fastener cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851108.6U CN219820416U (en) | 2023-04-17 | 2023-04-17 | One-step molding production die for UPR material fastener cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820416U true CN219820416U (en) | 2023-10-13 |
Family
ID=88277195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320851108.6U Active CN219820416U (en) | 2023-04-17 | 2023-04-17 | One-step molding production die for UPR material fastener cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820416U (en) |
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2023
- 2023-04-17 CN CN202320851108.6U patent/CN219820416U/en active Active
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