CN220880223U - Special die disassembly and assembly tool for rail transit profile extrusion die - Google Patents
Special die disassembly and assembly tool for rail transit profile extrusion die Download PDFInfo
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- CN220880223U CN220880223U CN202322795542.XU CN202322795542U CN220880223U CN 220880223 U CN220880223 U CN 220880223U CN 202322795542 U CN202322795542 U CN 202322795542U CN 220880223 U CN220880223 U CN 220880223U
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- 238000001125 extrusion Methods 0.000 title claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 18
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a special die disassembly and assembly tool for a rail transit profile extrusion die, which comprises an upper die, a lower die and a guide rod, wherein a threaded hole is formed in the upper die, a bolt hole is formed in the lower die, when the upper die and the lower die are assembled to enable the bolt hole to coaxially correspond to the threaded hole, an upper die working belt of the upper die is matched with a lower die working belt of the lower die, one end of the guide rod is provided with an external thread, the external thread end of the guide rod extends into the bolt hole and is screwed into the threaded hole, the diameters of the bolt hole and the threaded hole are the same, and the guide rod are in clearance fit; according to the utility model, the guide rod is added on the basis of the existing upper die and lower die, and the lower die is positioned and guided by the cooperation of the guide rod, the threaded hole and the bolt hole, so that the problem that a working belt is easy to collide due to low levelness or shaking in the process of opening and closing the die is solved.
Description
Technical field:
The utility model relates to the technical field of extrusion production, in particular to a special die disassembly and assembly tool for a rail transit profile extrusion die.
The background technology is as follows:
In the field of rail transit, the aluminum alloy section has the advantages of light weight, corrosion resistance, good appearance flatness and easiness in manufacturing complex attractive curved-surface car bodies, and is popular with urban transportation companies and railway transportation departments in the world. Along with the increasing application of the aluminum alloy section, the surface quality requirement of the aluminum alloy section is also higher and higher. The aluminum alloy extrusion die is required to be continuously improved in the die opening and closing processes, so that the collision to the working belt in the die opening and closing processes is reduced.
At present, the die opening process of the applicant is as follows: after a person applies a fixed supporting force to the lower die, screwing off a connecting bolt for connecting the upper die and the lower die (the connecting bolt penetrates through a bolt hole on the lower die and then is screwed into a threaded hole on the upper die), and moving the lower die away from the upper die to finish die opening operation; the die assembly process of the applicant is as follows: after a person applies a fixed supporting force to the lower die, the person moves the lower die close to the upper die, when an upper die working belt of the upper die is matched with a lower die working belt of the lower die, the lower die is rotated to coaxially correspond a bolt hole on the lower die with a threaded hole on the upper die, and a connecting bolt penetrates through the bolt hole and is screwed into the threaded hole and screwed up, so that die assembly operation is completed; in the operation of die opening and die closing, the problem of low levelness or shaking often causes the collision damage of the working belt, and the quality of the surface of the extruded aluminum alloy section is affected.
The utility model comprises the following steps:
the technical problems to be solved by the utility model are as follows: the guide rod is added on the basis of the existing upper die and lower die, the lower die is positioned and guided through the matching of the guide rod, the threaded hole and the bolt hole, and the problem that a working belt is easy to collide due to low levelness or shaking in the process of opening and closing the die is solved.
In order to solve the technical problems, the utility model provides a technical scheme that: the utility model provides a special compound die frock of tearing open of rail transit section bar extrusion die, includes mould, lower mould and guide arm, be provided with the screw hole on the mould, be provided with the bolt hole on the lower mould, when last mould and lower mould assembly make bolt hole and screw hole coaxial correspondence, the last mould operating band of going up the mould coincide with the lower mould operating band of lower mould, characterized by: the one end of guide arm is provided with the external screw thread, the external screw thread end of guide arm stretches into the bolt hole and screw into threaded hole, the diameter of bolt hole and threaded hole is the same, and with guide arm clearance fit.
Further, the number of the threaded holes is at least two, and the number of the bolt holes is the same as the number of the threaded holes.
Further, the length of the guide rod is larger than the length of the bolt hole and the threaded hole which coaxially correspond to each other.
Further, two planes parallel to each other are arranged on the side face of the other end of the guide rod.
The beneficial effects of the utility model are as follows:
1. According to the application, the guide rod is added on the basis of the existing upper die and lower die, and the lower die is positioned and guided by the cooperation of the guide rod, the threaded hole and the bolt hole, so that the problem that a working belt is easy to collide due to low levelness or shaking in the process of opening and closing the die is solved.
2. According to the application, one end of the guide rod is provided with the external thread, and the external thread can be screwed into the threaded hole on the upper die to realize the fixation with the upper die, so that when the bolt hole on the lower die is sleeved on the guide rod, the moving direction of the lower die is guided, and the levelness of the lower die during die opening and die closing is ensured.
3. The diameters of the bolt holes and the threaded holes are the same, and the bolt holes and the threaded holes are in clearance fit with the guide rod, so that the guide rod can conveniently extend into the bolt holes and be screwed into the threaded holes, the lower die can conveniently move under the guide of the guide rod, and meanwhile, the clearance fit reduces the shaking amplitude of the lower die, and the probability of collision of a working belt in the process of opening and closing the die is reduced.
4. The number of the threaded holes is at least two, and the number of the threaded holes is the same as that of the threaded holes, and the specific number of the threaded holes and the threaded holes is determined according to the number of the threaded holes and the threaded holes on the upper die and the lower die, so that the improvement amount of the upper die and the lower die is reduced, the lower die can be guided and limited only by the guide rods, the guide of the guide rods on the lower die is more stable, the lower die is further prevented from shaking, and the probability of collision of a working belt in the opening and closing processes is further reduced.
5. The length of the guide rod is larger than that of the bolt hole and the threaded hole which correspond to each other coaxially, and when the lower die is assembled on the upper die, the guide rod can extend out of the bolt hole, so that a person can screw or insert and pull the guide rod conveniently.
6. The side surface of the other end of the guide rod is provided with two planes which are parallel to each other, so that a person can conveniently rotate the guide rod through the two planes which are parallel to each other by using a tool, the guide rod is screwed in the threaded hole, the guide rod is prevented from shaking to influence the guiding and limiting of the lower die, and the guide rod is conveniently taken through a structure formed by the two planes which are parallel to each other when a plurality of guide rods are horizontally placed in contact.
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.
Description of the drawings:
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the description below are only two of the utility models, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a guide rod.
Fig. 2 is a schematic view of the structure in use.
In the figure, a 1-upper die, a 2-lower die and a 3-guide rod;
11-threaded holes and 12-upper die working belts;
21-bolt holes and 22-lower die working belts;
31-external threads, 32-flat.
The specific embodiment is as follows:
Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The names of messages or information interacted between the devices in the embodiments of the present utility model are for illustrative purposes only and are not intended to limit the scope of such messages or information.
Example 1
As shown in fig. 1-2, a special die disassembly and assembly tool for a rail transit profile extrusion die is disclosed, which comprises an upper die 1, a lower die 2 and a guide rod 3, wherein a threaded hole 11 is formed in the upper die 1, a bolt hole 21 is formed in the lower die 2, when the upper die 1 and the lower die 2 are assembled to enable the bolt hole 21 to coaxially correspond to the threaded hole 11, an upper die working belt 12 of the upper die 1 is matched with a lower die working belt 22 of the lower die 2, one end of the guide rod 3 is provided with an external thread 31, the external thread 31 end of the guide rod 3 extends into the bolt hole 21 and is screwed into the threaded hole 11, the diameters of the bolt hole 21 and the threaded hole 11 are the same, and the guide rod 3 and the guide rod and the lower die working belt are in clearance fit.
One end of the guide rod 3 is provided with an external thread 31 which can be screwed into a threaded hole 11 on the upper die 1 to realize the fixation with the upper die 1, so that when the bolt hole 21 on the lower die 2 is sleeved on the guide rod 3, the moving direction of the lower die 2 is guided, and the levelness of the lower die 2 during the die opening and closing is ensured; the diameters of the bolt holes 21 and the threaded holes 11 are the same, and the bolt holes are in clearance fit with the guide rods 3, so that the guide rods 3 can conveniently extend into the bolt holes 21 and be screwed into the threaded holes 11, the lower die 2 can conveniently move under the guide of the guide rods 3, and meanwhile, the swing amplitude of the lower die 2 is reduced by clearance fit, and the probability of collision of a working belt in the process of opening and closing the die is reduced.
The length of the guide rod 3 is greater than that of the bolt hole 21 and the threaded hole 11 which correspond to each other coaxially, and when the lower die 2 is assembled on the upper die 1, the guide rod 3 can extend out of the bolt hole 21, so that a person can screw or insert and pull the guide rod 3 conveniently.
Example two
As shown in fig. 2, the present embodiment is obtained by further limiting the number of technical features of the guide rod 3 and the like based on the first embodiment, and the other technical features are the same as the first embodiment, and the same features are not described herein, wherein the difference between the present embodiment and the first embodiment is that: the number of screw holes 11 is at least two, and the number of screw holes 21 is the same as the number of screw holes 11.
In this embodiment, since the existing threaded holes 11 and bolt holes 21 on the upper die 1 and the lower die 2 are utilized, the specific number is determined according to the number of the threaded holes 11 and bolt holes 21 on the upper die 1 and the lower die 2, the improvement amount of the upper die 1 and the lower die 2 is reduced, the guiding and limiting of the lower die 2 can be completed only through the guide rods 3, the guiding of the plurality of guide rods 3 to the lower die 2 is more stable, the lower die 2 is further prevented from shaking, and the probability of collision of a working belt in the opening and closing processes is further reduced.
Example III
As shown in fig. 1, the present embodiment is obtained by further defining technical features of the guide rod 3 and the like on the basis of the second embodiment, and other technical features are the same as those of the second embodiment, and the details of the other technical features are not described herein, wherein the difference between the present embodiment and the second embodiment is that: the other end side of the guide rod 3 is provided with two mutually parallel planes 32.
In this embodiment, the arrangement of two planes 32 at the end of the guide rod 3 is convenient for personnel to rotate the guide rod 3 by using tools through the two planes 32 which are parallel to each other, so that the guide rod 3 is screwed in the threaded hole 11, the guide and the limit of the lower die 2 are prevented from being influenced by the shaking of the guide rod 3, and the guide rod 3 is conveniently taken through the structure formed by the two planes 32 which are parallel to each other when a plurality of guide rods 3 are horizontally contacted and placed.
The whole technical scheme formed by the embodiments comprises the following using processes:
The die opening process comprises the following steps: after one connecting bolt for connecting the upper die 1 and the lower die 2 is screwed off, one guide rod 3 is stretched into and screwed on the position where the connecting bolt is screwed off, after the other connecting bolt for connecting the upper die 1 and the lower die 2 is screwed off, the other guide rod 3 is stretched into and screwed on the position where the connecting bolt is screwed off, and so on until after all the connecting bolts are screwed off, a person applies a pulling force to the lower die 2, and the lower die 2 moves away from the upper die 1 along the guide rod 3, so that the die opening operation is completed.
The die assembly process comprises the following steps: the guide rod 3 is screwed into a threaded hole 11 on the upper die 1, a person holds the lower die 2 to move, after adjusting the direction of a working belt of the lower die 2, the person is sleeved on the guide rod 3 through a bolt hole 21 on the lower die 2, the person applies thrust to the lower die 2, the lower die 2 moves along the guide rod 3 close to the upper die 1, after the lower die 2 is contacted with the upper die 1 and the upper die working belt 12 of the upper die 1 is matched with the lower die working belt 22 of the lower die 2, one guide rod 3 is screwed off, one connecting bolt is stretched into and screwed on the position where the guide rod 3 is screwed off, another connecting bolt is stretched into and screwed on the position where the guide rod 3 is screwed off, and the like until the guide rod 3 is completely screwed off, so that the die assembly operation is completed.
In the process of opening and closing the mold, the guide rods 3 are at least three in number in order to ensure better guiding and closing stability.
The application has simple structure, and can effectively prevent the lower die 2 from shaking left and right when being lifted in the die assembly process, thereby causing the collision of the upper die working belt and the lower die working belt; meanwhile, the die assembly guide tool consisting of the guide rod 3, the threaded hole 11 and the bolt hole 21 can be simultaneously applied to die opening and reverse dismantling, the upper die and the lower die can be smoothly assembled and disassembled by utilizing guide, meanwhile, the upper die and the lower die can be effectively ensured not to be contacted with each other in the process of assembling and disassembling, and the damage to the working belt caused by shaking of the lifting lower die 2 in the process of disassembling the die can be effectively prevented; the guide rod 3 can be placed in the storage rack or the storage frame in a classified manner along with the connecting bolts of the upper die and the lower die after being removed, and is taken out at any time during application, so that the device is convenient and quick.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (4)
1. The utility model provides a special compound die frock of tearing open of rail transit section bar extrusion die, includes mould, lower mould and guide arm, be provided with the screw hole on the mould, be provided with the bolt hole on the lower mould, when last mould and lower mould assembly make bolt hole and screw hole coaxial correspondence, the last mould operating band of going up the mould coincide with the lower mould operating band of lower mould, characterized by: the one end of guide arm is provided with the external screw thread, the external screw thread end of guide arm stretches into the bolt hole and screw into threaded hole, the diameter of bolt hole and threaded hole is the same, and with guide arm clearance fit.
2. The special disassembly and assembly tool for the rail transit profile extrusion die of claim 1, wherein the disassembly and assembly tool is characterized in that: the number of the threaded holes is at least two, and the number of the bolt holes is the same as that of the threaded holes.
3. The special disassembly and assembly tool for the rail transit profile extrusion die of claim 2, wherein the disassembly and assembly tool is characterized in that: the length of the guide rod is greater than the length of the bolt hole and the threaded hole which coaxially correspond to each other.
4. A rail transit profile extrusion die special purpose disassembly die tooling as defined in claim 3, wherein: two planes parallel to each other are arranged on the side surface of the other end of the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795542.XU CN220880223U (en) | 2023-10-18 | 2023-10-18 | Special die disassembly and assembly tool for rail transit profile extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322795542.XU CN220880223U (en) | 2023-10-18 | 2023-10-18 | Special die disassembly and assembly tool for rail transit profile extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220880223U true CN220880223U (en) | 2024-05-03 |
Family
ID=90838502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322795542.XU Active CN220880223U (en) | 2023-10-18 | 2023-10-18 | Special die disassembly and assembly tool for rail transit profile extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220880223U (en) |
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2023
- 2023-10-18 CN CN202322795542.XU patent/CN220880223U/en active Active
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