阅读说明：本技术 一种用于轴向金属密封环的电磁成形模具 (Electromagnetic forming die for axial metal sealing ring ) 是由 王志刚 吴杰 张雨前 于 2021-01-06 设计创作，主要内容包括：本发明提供了一种用于轴向金属密封环的电磁成形模具,包括：上模体和下模体,下模体顶面上设置圆柱形的下凹槽和圆环形的下料槽,下料槽位于下凹槽的外围且与下凹槽连通,上模体底面上设置圆柱形的上凹槽和圆环形的上料槽,上料槽位于上凹槽的外围且与上凹槽连通；上模体扣合在下模体上,下凹槽与上凹槽扣合形成圆柱形空间,圆柱形空间中设置电磁线圈,下料槽与上料槽扣合形成圆环形料槽,圆环形料槽内放置环形坯料。环形坯料可以直接使用硬态材料,无需转为固溶状态,成形后也无需再进行热处理,工序简单,生产效率高,成本更低。局部减薄现象减弱,因此环形坯料的预留厚度和预留宽度也均大幅减小,进一步减小成本。(The invention provides an electromagnetic forming die for an axial metal sealing ring, which comprises: the upper die body and the lower die body are arranged, a cylindrical lower groove and a circular blanking groove are arranged on the top surface of the lower die body, the blanking groove is positioned at the periphery of the lower groove and communicated with the lower groove, a cylindrical upper groove and a circular feeding groove are arranged on the bottom surface of the upper die body, and the feeding groove is positioned at the periphery of the upper groove and communicated with the upper groove; the upper die body is buckled on the lower die body, the lower groove and the upper groove are buckled to form a cylindrical space, the electromagnetic coil is arranged in the cylindrical space, the lower trough and the upper trough are buckled to form a circular trough, and an annular blank is placed in the circular trough. The annular blank can be directly made of hard materials without being converted into a solid solution state, and heat treatment is not needed after forming, so that the process is simple, the production efficiency is high, and the cost is lower. The local thinning phenomenon is weakened, so that the reserved thickness and the reserved width of the annular blank are both greatly reduced, and the cost is further reduced.)

1. An electromagnetic forming die for an axial metallic seal ring, comprising: the die comprises an upper die body (1) and a lower die body (2), wherein a cylindrical lower groove (3) and a circular lower groove (4) are arranged on the top surface of the lower die body (2), the lower groove (4) is positioned at the periphery of the lower groove (3) and communicated with the lower groove (3), a cylindrical upper groove (5) and a circular upper groove (6) are arranged on the bottom surface of the upper die body (1), and the upper groove (6) is positioned at the periphery of the upper groove (5) and communicated with the upper groove (5); the upper die body (1) is buckled on the lower die body (2), the lower groove (3) and the upper groove (5) are buckled to form a cylindrical space, an electromagnetic coil (13) is arranged in the cylindrical space, the lower trough (4) and the upper trough (6) are buckled to form a circular trough, and an annular blank is placed in the circular trough.

2. The electromagnetic forming die according to claim 1, characterized in that a guide sleeve (7) is arranged on the upper die body (1), a guide post (8) is arranged on the lower die body (2), the guide sleeve (7) is sleeved on the guide post (8), and the upper die body (1) is driven to lift by a four-column hydraulic press.

3. The electromagnetic forming die according to claim 2, characterized in that the guide sleeve (7) is fixed on the bottom surface of the upper die body (1) by a hexagon socket head cap screw; the guide post (8) is fixed on the top surface of the lower die body (2) through an inner hexagon bolt.

4. The electromagnetic forming die according to claim 1, characterized in that the upper die body (1) comprises an upper die holder (11) and an upper die (12) fixedly arranged on the bottom surface of the upper die holder (11), and the upper groove (5) and the upper trough (6) are both arranged on the bottom surface of the upper die (12); the lower die body (2) comprises a lower die base (21) and a lower die (22) fixedly arranged on the top surface of the lower die base (21), and the lower groove (3) and the lower trough (4) are both arranged on the top surface of the upper die (12).

5. The electromagnetic forming die according to claim 3, characterized in that the upper die (12) is fixed on the bottom surface of the upper die holder (11) by hexagon socket head cap screws; the lower die (22) is fixed on the top surface of the lower die base (21) through an inner hexagon bolt.

6. The electromagnetic forming die according to claim 1, characterized in that a stud (9) is arranged at the bottom of the electromagnetic coil (13), a through groove communicated with the bottom surface of the lower die body (2) is arranged on the bottom surface of the lower groove (3), and the stud (9) passes through the through groove and is fixed through a nut (10).

7. The electromagnetic forming die of claim 2, further comprising a control system, wherein the control system is connected with the four-column hydraulic machine and controls the four-column hydraulic machine to lift, and the control system is connected with the electromagnetic coil (13) and controls the electromagnetic coil (13) to start and stop.

8. The electromagnetic forming die of claim 7, wherein the control system is controlled by a left button and a right button.

9. Electromagnetic forming die according to claim 1, characterised in that the diameter of the upper groove (5) is of

10. Electromagnetic forming die according to claim 1, characterized in that the diameter of the outermost circle of the blanking chute (4) is of

Technical Field

The invention relates to the technical field of axial metal sealing rings, in particular to an electromagnetic forming die for an axial metal sealing ring.

Background

An axial metal seal ring is a sealing element used to prevent radial flow of fluid. The method is generally finished by adopting the traditional process modes such as a roll forming method, a mechanical expansion method, a hydraulic expansion method and the like.

The traditional process mode is easy to cause the local thinning amount of materials to exceed the standard, material indentation is easy to occur, and the surface quality of a workpiece is not high. In addition, the used blank needs to be additionally processed into a solid solution state, and the workpiece needs to be additionally processed by heat treatment after being formed, so that the process is complex, the production efficiency is low, and the production cost is high.

Disclosure of Invention

The invention aims to provide an electromagnetic forming die for an axial metal sealing ring, which has no material indentation, reduces the local thinning phenomenon, has simple working procedures, high production efficiency and low production cost and has higher practical value.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides an electromagnetic forming die for an axial metal sealing ring, which comprises: the top surface of the lower die body is provided with a cylindrical lower groove and an annular blanking groove, the blanking groove is positioned at the periphery of the lower groove and is communicated with the lower groove, the bottom surface of the upper die body is provided with a cylindrical upper groove and an annular feeding groove, and the feeding groove is positioned at the periphery of the upper groove and is communicated with the upper groove; the upper die body is buckled on the lower die body, the lower groove and the upper groove are buckled to form a cylindrical space, an electromagnetic coil is arranged in the cylindrical space, the lower material groove and the upper material groove are buckled to form a circular material groove, and an annular blank is placed in the circular material groove.

Optionally, a guide sleeve is arranged on the upper die body, a guide pillar is arranged on the lower die body, the guide sleeve is sleeved on the guide pillar, and the upper die body is driven to lift by a four-column hydraulic machine.

Optionally, the guide sleeve is fixed on the bottom surface of the upper die body through a hexagon socket head cap screw; the guide post is fixed on the top surface of the lower die body through an inner hexagon bolt.

Optionally, the upper die body comprises an upper die holder and an upper die fixedly arranged on the bottom surface of the upper die holder, and the upper groove and the feeding groove are both arranged on the bottom surface of the upper die; the lower die body comprises a lower die base and a lower die fixedly arranged on the top surface of the lower die base, and the lower groove and the feeding groove are both arranged on the top surface of the upper die.

Optionally, the upper die is fixed on the bottom surface of the upper die base through an inner hexagon bolt; the lower die is fixed on the top surface of the lower die base through the hexagon socket head cap screw.

Optionally, a stud is arranged at the bottom of the electromagnetic coil, a through groove communicated with the bottom surface of the lower die body is arranged on the bottom surface of the lower groove, and the stud penetrates through the through groove and is fixed through a nut.

Optionally, the control system is connected with the four-column hydraulic machine and controls the four-column hydraulic machine to lift, and the control system is connected with the electromagnetic coil and controls the electromagnetic coil to start and stop.

Optionally, the control system is controlled by a left button and a right button.

Optionally, the diameter of the upper groove ismm。

Optionally, the diameter of the outermost ring of the blanking groove ismm。

The technical scheme provided by the invention can have the following beneficial effects:

according to the electromagnetic forming die for the axial metal sealing ring, provided by the invention, the blank can be directly made of a hard material without being converted into a solid solution state, and heat treatment is not required after forming, so that the process is simple, the production efficiency is high, and the cost is lower. The local thinning phenomenon is weakened, so that the reserved thickness and the reserved width of the annular blank are both greatly reduced, and the cost is further reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electromagnetic forming die for an axial metal seal ring according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an upper die of an electromagnetic forming die for an axial metal seal ring according to an embodiment of the present invention;

FIG. 3 is a schematic lower mold structure of an electromagnetic forming mold for an axial metal seal ring according to an embodiment of the present invention;

fig. 4 is a plan view of a lower die of an electromagnetic forming die for an axial metal seal ring according to an embodiment of the present invention.

In the figure: 1. feeding a mold body; 11. an upper die holder; 12. an upper die; 2. a lower die body; 21. a lower die holder; 22. a lower die; 3. a lower groove; 4. a discharging groove; 5. an upper groove; 6. a feeding trough; 7. a guide sleeve; 8. a guide post; 9. a stud; 10. a nut; 13. an electromagnetic coil.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

An embodiment of the present invention provides an electromagnetic forming die for an axial metal seal ring, as shown in fig. 1 to 4, including: an upper mold body 1 and a lower mold body 2. A cylindrical lower groove 3 is formed in the top surface of the lower die body 2, a circular ring-shaped blanking groove 4 is formed in the periphery of the lower groove 3, and the inner side of the blanking groove 4 is communicated with the lower groove 3. Correspondingly, a cylindrical upper groove 5 is formed in the bottom surface of the upper die body 1, a feeding groove 6 is formed in the periphery of the upper groove 5, and the inner side of the feeding groove 6 is communicated with the upper groove 5. After the upper die body 1 is buckled on the lower die body 2, the corresponding lower groove 3 and the upper groove 5 are buckled to form a cylindrical space, and the corresponding lower groove 4 and the corresponding upper groove 6 are buckled to form a circular groove. And arranging an electromagnetic coil 13 in the cylindrical space, placing the annular blank in the annular trough, wherein the annular blank is positioned at the periphery of the electromagnetic coil 13, and electrifying the electromagnetic coil 13 to form a magnetic field, so that the annular blank can be formed into a metal sealing ring. In such a way, the method is an electromagnetic forming process, so that the annular blank can be directly made of a hard state (aging state) material without being converted into a soft state (solid solution state), and the annular blank does not need to be subjected to heat treatment after being formed, and has the advantages of simple process, high production efficiency and lower cost. The local thinning phenomenon is weakened, so that the reserved thickness and the reserved width of the annular blank are both greatly reduced, and the cost is further reduced.

In order to facilitate controlling the upper mold body 1 to ascend and descend, as an optional implementation manner, in an embodiment of the present invention, as shown in fig. 1 to 4, a guide sleeve 7 is fixedly disposed on the upper mold body 1, a guide pillar 8 is fixedly disposed on the lower mold body 2, and the guide sleeve 7 is sleeved on the guide pillar 8, so that the upper mold body 1 can ascend and descend with respect to the lower mold body 2. The upper die body 1 can be driven to lift through a four-column hydraulic machine, namely, the lower die body 2 is fixed on a base of the four-column hydraulic machine, and the upper die body 1 is fixed on a movable cross beam of the four-column hydraulic machine. During the concrete use, the movable cross beam of drive four post hydraulic presses rises, drives upper die body 1 and rises and breaks away from lower die body 2, exposes silo 4 down, places annular blank in silo 4 back down, and the movable cross beam of drive four post hydraulic presses descends, drives upper die body 1 and descends until the lock is on lower die body 2, and 6 locks of upper chute cover annular blank on silo 4 down, take shape this moment with solenoid 13 circular telegrams. After the metal sealing ring is formed, a movable cross beam of the four-column hydraulic press is driven to rise, the upper die body 1 is driven to rise and separate from the lower die body 2, the formed metal sealing ring is exposed, the metal sealing ring is taken down and then placed into another annular blank to continuously process another metal sealing ring, and the operation is more convenient.

Regarding the fixation of the guide sleeve 7 and the guide post 8, as shown in fig. 1-4, a flange is arranged on the top surface of the guide sleeve 7, a threaded hole is arranged on the bottom surface of the upper die body 1, and the through hole of the flange is aligned with the threaded hole and then fixed by an inner hexagon bolt. The bottom surface of the guide post 8 is provided with a flange plate, the top surface of the lower die body 2 is provided with a threaded hole, and the flange plate is fixed through the hexagon socket head cap screw after the through hole of the flange plate is aligned with the threaded hole. Is convenient for installation and disassembly.

As an alternative implementation manner, in the embodiment of the present invention, as shown in fig. 2 to 4, the upper die body 1 includes an upper die holder 11 and an upper die 12, wherein the upper die 12 is fixedly disposed on a bottom surface of the upper die holder 11, and the upper groove 5 and the feeding groove 6 are disposed on a bottom surface of the upper die 12. The lower die body 2 comprises a lower die base 21 and a lower die 22, wherein the lower die 22 is fixedly arranged on the lower die 22 on the top surface of the lower die base 21, and the lower groove 3 and the lower groove 4 are both arranged on the top surface of the upper die 12. So set up, be convenient for installation and dismantlement.

As shown in fig. 1 to 4, the upper die 12 is fixed to the upper die base 11, and the lower die 22 is fixed to the lower die base 21 by providing a through hole in the upper die 12, providing a threaded hole in the bottom surface of the upper die base 11, aligning the through hole with the threaded hole, and then fixing the through hole with a hexagon socket head cap screw. The lower die 22 is provided with a through hole, the top surface of the lower die holder 21 is provided with a threaded hole, and the through hole and the threaded hole are aligned and then fixed through a hexagon socket head cap screw.

Regarding the installation of the electromagnetic coil 13, as an alternative implementation manner, in the embodiment of the present invention, as shown in fig. 1 and 3, a stud 9 is disposed at the bottom of the electromagnetic coil 13, a through groove communicated with the bottom surface of the lower mold body 2 is disposed on the bottom surface of the lower groove 3, and the stud 9 is fixed by a nut 10 after passing through the through groove, so that the electromagnetic coil 13 is fixed in the lower groove 3. After the upper die body 1 is buckled on the lower die body 2, the upper groove 5 is buckled in the lower groove 3 to cover the electromagnetic coil 13.

As an optional implementation manner, in a specific embodiment of the present invention, the system further includes a control system, and the control system includes: PLC, travel switch and relay. The control system is connected with the four-column hydraulic machine and controls the four-column hydraulic machine to lift, wherein the PLC is used for controlling the four-column hydraulic machine to lift after lowering, and then the electromagnetic coil 13 is electrified for a period of time. The time for energizing the solenoid 13 and the time interval between lowering and raising of the four-column hydraulic press are controlled by a relay. And after the four-column hydraulic machine is lifted to a specified height, the program of the PLC is controlled to be ended by utilizing the travel switch. When the four-column hydraulic press is used specifically, the upper die body 1 and the lower die body 2 are installed and aligned, and an upper cross beam of the four-column hydraulic press is lifted to a preset height of a travel switch. The annular blank is then placed in a discharge chute 4 in the lower mold body 2. At the moment, a preset program of the PLC is started, an upper cross beam of the four-column hydraulic machine is controlled to descend to be buckled with the upper die body 1 and the lower die body 2, and then the electromagnetic coil 13 is electrified. After the preset time of the relay, the electromagnetic coil 13 is controlled to be powered off, the upper cross beam of the four-column hydraulic press is controlled to rise to the preset height of the travel switch, at the moment, the program of the PLC is finished, the formed metal sealing ring is taken down and then a new annular blank is put into the metal sealing ring, and the process is repeated. The semi-automation of the manufacturing process is achieved, the working period is shortened, the working efficiency is increased, and the cost is reduced.

For the purpose of construction safety, as an optional implementation manner, in a specific embodiment of the present invention, the control system is controlled by the left button and the right button, that is, in a preset program of a PLC of the control system, the left button and the right button are arranged in series, that is, only when the left button and the right button are pressed simultaneously, the preset program of the PLC starts to be executed, that is, the upper beam of the four-column hydraulic press drives the upper die body 1 to descend. Can guarantee that constructor's both hands all leave the region between die body 1 and the lower die body 2, prevent to go up die body 1 and die body 2 and press from both sides and hinder constructor.

As an alternative implementation, in the specific embodiment of the present invention, the diameter of the upper groove 5 is mm.

As an alternative implementation manner, in the specific embodiment of the present invention, the diameter of the outermost ring of the blanking groove 4 is mm.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.