CN222856610U - A cooling device for the core shaft of a large ring rolling machine - Google Patents
A cooling device for the core shaft of a large ring rolling machine Download PDFInfo
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- CN222856610U CN222856610U CN202421752834.3U CN202421752834U CN222856610U CN 222856610 U CN222856610 U CN 222856610U CN 202421752834 U CN202421752834 U CN 202421752834U CN 222856610 U CN222856610 U CN 222856610U
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- mandrel
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- core shaft
- water pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本实用新型公开了一种大型碾环机芯轴冷却装置，涉及大型碾环机设备零部件技术领域，包括芯轴、芯轴上支撑座、芯轴下支撑座、芯轴冷却部；芯轴冷却部包括电动缸、轴向伸缩水管、缸头转换块、C型接头、连接块、冷却水管、喷水孔、坦克链；本实用新型的使用可降低芯轴因持续高温且同时受剪切应力导致的变形，从而降低芯轴尺寸精度，最终因精度不合格而导致的报废，延长了芯轴的使用寿命，降低了生产成本；通过改善现有碾环机的冷却系统，提高碾环机作业过程中芯轴的冷却水流量控制精度，根据芯轴的作业时间和温度检测结果控制冷却水的流量，提高芯轴的使用寿命，降低设备故障率和产品制造成本。
The utility model discloses a cooling device for a core shaft of a large ring rolling machine, and relates to the technical field of parts and components of large ring rolling machine equipment, including a core shaft, an upper support seat of the core shaft, a lower support seat of the core shaft, and a core shaft cooling part; the core shaft cooling part includes an electric cylinder, an axial telescopic water pipe, a cylinder head conversion block, a C-type joint, a connecting block, a cooling water pipe, a water spray hole, and a tank chain; the use of the utility model can reduce the deformation of the core shaft caused by continuous high temperature and shear stress at the same time, thereby reducing the dimensional accuracy of the core shaft, and ultimately causing the core shaft to be scrapped due to unqualified accuracy, thereby extending the service life of the core shaft and reducing the production cost; by improving the cooling system of the existing ring rolling machine, the cooling water flow control accuracy of the core shaft during the operation of the ring rolling machine is improved, the flow of cooling water is controlled according to the operating time and temperature detection results of the core shaft, the service life of the core shaft is increased, and the equipment failure rate and product manufacturing cost are reduced.
Description
Technical Field
The utility model relates to the technical field of parts of large ring rolling machine equipment, in particular to a cooling device for a large ring rolling machine mandrel.
Background
In the field of manufacturing large ring forging pieces, a large horizontal ring rolling machine is one of key equipment and is mainly used for producing large ring forging pieces, the large horizontal ring rolling machine is used for continuously plastically deforming metal ring materials into required ring-shaped workpieces such as bearing rings, gear rings and the like in a rolling mode, the performance of the large horizontal ring rolling machine directly influences the quality and the production efficiency of the forging pieces, the large ring rolling machine can release a large amount of heat in the ring rolling process, and meanwhile, the ring rolling machine can generate a large amount of heat, so that the large ring rolling machine needs to bear high temperature and high pressure in the working process, the design and maintenance of a cooling system are particularly important, but the large ring rolling machine used in the prior art generally adopts an automatic water cooling device, and has the problems that 1) the cooling effect is reduced, the water cooling system can be blocked, corroded or reduced in efficiency and the like as the equipment is used for a long time, so that the cooling effect is reduced. This causes the mandrel to operate at high temperatures, increasing the risk of damage due to thermal stresses, and 2) the mandrel material and thermal effects-the mandrel is typically made of high strength materials to withstand high temperatures and mechanical stresses. However, even the best materials, the strength is reduced at a continuous high temperature, and further plastic deformation is caused, 3) plastic deformation is caused, namely, the mandrel can be subjected to plastic deformation at a high temperature, the plastic deformation of the mandrel can cause the precision to be lost, the quality of a forging piece is affected, finally, the rejection of the mandrel is caused, the cooling system is required to be checked and maintained regularly in order to ensure the continuous and efficient operation of the ring rolling mill, and in summary, the technical challenges in designing and maintaining the large horizontal ring rolling mill are that the cooling efficiency is improved, the service life of the mandrel is prolonged, and the material performance degradation caused by the temperature rise is reduced.
Disclosure of utility model
The utility model aims to provide a large ring rolling machine mandrel cooling device, which aims to solve the problems that in the prior art, an automatic water cooling device is generally adopted by a large ring rolling machine, but the cooling effect of the automatic water cooling device is reduced after long-time use, the ring rolling machine mandrel is contacted with a high-temperature forge piece for a long time during operation and is subjected to larger shearing stress, the strength of a mandrel is reduced due to temperature rise because of poor cooling effect, and the mandrel is easy to deform plastically after a period of use, so that the mandrel is scrapped.
The large ring rolling machine mandrel cooling device comprises a vertically arranged mandrel, wherein an mandrel upper supporting seat and a mandrel lower supporting seat are respectively connected to the upper end and the lower end of the mandrel, a mandrel cooling part is arranged on the mandrel upper supporting seat, the mandrel cooling part comprises an electric cylinder arranged on the front side of the upper supporting seat and internally provided with an axial telescopic water pipe, a cylinder head conversion block is arranged at the tail end of the axial telescopic water pipe, a C-shaped connector is arranged between the front end, close to the front end, of the axial telescopic water pipe and the electric cylinder, the front end of the axial telescopic water pipe is connected with a cooling water pipe through a connecting block, the cooling water pipe is arranged in parallel with the mandrel main body, a plurality of water spraying holes are uniformly formed in one side, close to the mandrel main body, of the cooling water pipe along the axial direction of the mandrel main body, and tank chains are arranged between the connecting block and the front side surface of the upper supporting frame.
Preferably, the mandrel comprises a cylindrical mandrel main body in the middle, and a mandrel upper connecting shaft and a mandrel lower connecting shaft which are coaxial are respectively arranged at the upper end and the lower end of the mandrel main body, the mandrel upper connecting shaft is connected with the mandrel upper supporting seat, and the mandrel lower connecting shaft is connected with the mandrel lower supporting seat.
Preferably, the mandrel supporting seat comprises an upper supporting frame connected with the ring rolling machine, two hydraulic cylinders are arranged at the top end of the upper supporting frame, piston shaft rods of the two hydraulic cylinders are connected with a rotating motor together, a mandrel connecting piece is connected to the bottom end of the shaft rod of the rotating motor and connected with the mandrel connecting shaft, and a mandrel cooling part is arranged on the upper supporting frame.
Preferably, the mandrel lower support seat comprises a lower support frame connected with the ring rolling machine, a lower bearing seat is arranged on the top surface of the lower support frame through a support, and the lower bearing seat is sleeved on the outer side of the mandrel lower connecting shaft.
Preferably, the mandrel cooling part is arranged on the upper supporting frame.
Preferably, the cylinder head conversion block is connected to a water tank of the ring rolling machine through an external water pipe.
Preferably, during operation, the electric cylinder is controlled by the numerical control program to drive the cooling water pipe to move up and down, and the cooling water is sprayed on the mandrel through the water spraying holes on the cooling water pipe.
Preferably, the electric cylinder can automatically adjust the position of the cooling water pipe for spraying cooling water.
Preferably, the amount of the cooling water can be automatically adjusted.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model can more accurately control the spraying position and range of cooling water to improve the cooling efficiency and adapt to different working conditions by driving the cooling water pipe to move up and down through the electric cylinder, can effectively cool down the temperature of the mandrel when the mandrel works at high temperature, can reduce plastic deformation caused by thermal stress, can prolong the service life of the mandrel, can reduce the size and shape errors of forgings caused by the deformation of the mandrel by maintaining the stability and precision of the mandrel, can reduce the maintenance cost and the downtime by reducing the replacement frequency of the mandrel, can improve the production efficiency, can realize the automation of the cooling process by numerical control program control, can reduce the manual operation, can improve the safety and the accuracy of the operation, can be more convenient to maintain and replace by the modularized design of the cooling water pipe and related components, can reduce the safety risk caused by high temperature by effectively controlling the temperature of the mandrel, can improve the safety of the working environment, can reduce unnecessary water resource waste by accurately controlling the consumption of the cooling water, can realize the energy saving effect, can also adapt to the mandrels with different specifications and types, and has better universality and expansibility.
In summary, the utility model can reduce the deformation of the mandrel caused by continuous high temperature and shearing stress, thereby reducing the dimensional accuracy of the mandrel, and finally the scrapping caused by unqualified accuracy, prolonging the service life of the mandrel, and reducing the production cost.
Drawings
FIG. 1 is a schematic diagram of the present utility model;
FIG. 2 is a schematic diagram of the structure of FIG. 1;
FIG. 3 is a schematic diagram of a mandrel and mandrel cooling section installation;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is an enlarged view of B in FIG. 3;
FIG. 6 is an enlarged view of C in FIG. 3;
In the figure, a mandrel-1, a mandrel main body-11, a mandrel connecting shaft-12, a mandrel lower connecting shaft-13, a mandrel upper supporting seat-2, an upper supporting frame-21, a hydraulic cylinder-22, a rotating motor-23, a mandrel connecting piece-24, a mandrel lower supporting seat-3, a lower supporting frame-31, a lower bearing seat-32, a mandrel cooling part-4, an electric cylinder-41, an axial telescopic water pipe-42, a cylinder head conversion block-43, a C-shaped joint-44, a connecting block-45, a cooling water pipe-46, a water spraying hole-47 and a tank chain-48.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-6, fig. 1 is a schematic view of the present utility model, fig. 2 is a schematic view of the structure of fig. 1, fig. 3 is a schematic view of the mandrel and the mandrel cooling portion, fig. 4 is an enlarged view of a in fig. 3, fig. 5 is an enlarged view of B in fig. 3, and fig. 6 is an enlarged view of C in fig. 3.
The utility model provides a large ring rolling machine mandrel cooling device which comprises a mandrel 1 arranged vertically, wherein the upper end and the lower end of the mandrel 1 are respectively connected with a mandrel upper supporting seat 2 and a mandrel lower supporting seat 3, and a mandrel cooling part 4 is arranged on the mandrel upper supporting seat 2.
The mandrel 1 comprises a cylindrical mandrel main body 11 in the middle, the upper end and the lower end of the mandrel main body 11 are respectively provided with a coaxial mandrel connecting shaft 12 and a mandrel lower connecting shaft 13, the mandrel connecting shaft 12 is connected with the mandrel upper supporting seat 2, and the mandrel lower connecting shaft 13 is connected with the mandrel lower supporting seat 3.
The mandrel upper supporting seat 2 comprises an upper supporting frame 21 connected with a ring rolling machine, two hydraulic cylinders 22 are arranged at the top end of the upper supporting frame 21, piston shaft rods of the two hydraulic cylinders 22 are connected with a rotating motor 23 together, the bottom end of the shaft rod of the rotating motor 23 is connected with a mandrel connecting piece 24 and is connected with the on-shaft connecting shaft 12, and a mandrel cooling part 4 is arranged on the upper supporting frame 21.
The lower supporting seat 3 of the mandrel comprises a lower supporting frame 31 connected with a ring rolling machine, a lower bearing seat 32 is arranged on the top surface of the lower supporting frame 31 through a bracket, and the lower bearing seat 32 is sleeved on the outer side of the lower connecting shaft 13 of the mandrel, so that the mandrel 1 can rotate without obstruction.
The mandrel cooling part 4 comprises an electric cylinder 41 arranged on the upper support frame 21, an axial telescopic water pipe 42 is arranged in the electric cylinder 41, a cylinder head conversion block 43 is arranged at the tail end of the axial telescopic water pipe 42 and is used for being connected with an external water pipe, the external water pipe is connected to a water tank of a ring rolling machine, a C-shaped joint 44 is arranged between the front end, close to the front end, of the axial telescopic water pipe 42 and the electric cylinder 41, a cooling water pipe 46 is connected to the front end of the axial telescopic water pipe 42 through a connecting block 45, the cooling water pipe 46 is arranged in parallel with the mandrel main body 11, a plurality of water spray holes 47 are uniformly formed in the side, close to the mandrel main body 11, of the cooling water pipe 46 along the axial direction of the cooling water pipe, and are used for spraying water for cooling the mandrel main body 11, and a tank chain 48 is arranged between the connecting block 45 and the front side surface of the upper support frame 21 and is used for assisting the axial movement of the connecting block 45.
When the cooling water spraying device is used, the electric cylinder 41 is controlled by a numerical control program to drive the cooling water pipe 46 to move up and down during operation of the device, and cooling water is sprayed on the mandrel 1 through the water spraying holes 47 on the cooling water pipe 46, so that the temperature control of the mandrel 1 is realized.
The electric cylinder 41 can automatically adjust the position of the cooling water pipe 46 spraying cooling water according to the height of the product, and the cooling water can automatically adjust the water quantity according to the actual detection temperature of the product.
The utility model can more accurately control the spraying position and range of cooling water to improve the cooling efficiency and adapt to different working conditions by driving the cooling water pipe to move up and down through the electric cylinder, can effectively cool down the temperature of the mandrel when the mandrel works at high temperature, can reduce plastic deformation caused by thermal stress, can prolong the service life of the mandrel, can reduce the size and shape errors of forgings caused by the deformation of the mandrel by maintaining the stability and precision of the mandrel, can reduce the maintenance cost and the downtime by reducing the replacement frequency of the mandrel, can improve the production efficiency, can realize the automation of the cooling process by numerical control program control, can reduce the manual operation, can improve the safety and the accuracy of the operation, can be more convenient to maintain and replace by the modularized design of the cooling water pipe and related components, can reduce the safety risk caused by high temperature by effectively controlling the temperature of the mandrel, can improve the safety of the working environment, can reduce unnecessary water resource waste by accurately controlling the consumption of the cooling water, can realize the energy saving effect, can also adapt to the mandrels with different specifications and types, and has better universality and expansibility.
In summary, the utility model can reduce the deformation of the mandrel caused by continuous high temperature and shearing stress, thereby reducing the dimensional accuracy of the mandrel, and finally the scrapping caused by unqualified accuracy, prolonging the service life of the mandrel, and reducing the production cost.
While embodiments of the utility model have been illustrated and described, it will be apparent that the embodiments described are merely some, but not all embodiments of the utility model. Based on the embodiments of the present utility model, it will be understood by those skilled in the art that all other embodiments which may be obtained from numerous changes, modifications, substitutions and alterations of these embodiments without departing from the spirit and principles of the present utility model are within the scope of the present utility model.
Claims (8)
1. A large ring rolling machine mandrel cooling device is characterized by comprising a mandrel (1) which is vertically arranged, wherein an mandrel upper supporting seat (2) and a mandrel lower supporting seat (3) are respectively connected to the upper end and the lower end of the mandrel, a mandrel cooling part (4) is arranged on the mandrel upper supporting seat (2), the mandrel (1) comprises a cylindrical mandrel main body (11) at the middle part, a coaxial mandrel upper connecting shaft (12) and a coaxial mandrel lower connecting shaft (13) are respectively arranged at the upper end and the lower end of the mandrel upper supporting seat, the mandrel upper connecting shaft (12) is connected with the mandrel upper supporting seat (2), the mandrel lower connecting shaft (13) is connected with the mandrel lower supporting seat (3), the mandrel upper supporting seat (2) comprises an upper supporting frame (21) connected with a ring rolling machine, the mandrel cooling part (4) comprises an electric cylinder (41) arranged at the front side of the upper supporting seat (2) and is internally provided with an axial telescopic water pipe (42), the tail end of the axial telescopic water pipe (42) is provided with a cylinder head conversion block (43), the axial telescopic water pipe (42) is arranged between the electric cylinder (41) and the front end (42) of the electric cylinder (2) and the electric cylinder (41) is connected with the cooling water pipe (46) through the axial telescopic water pipe (46), and a plurality of water spray holes (47) are uniformly formed in one side, close to the mandrel main body (11), of the cooling water pipe (46) along the axial direction of the cooling water pipe, and a tank chain (48) is arranged between the connecting block (45) and the front side surface of the upper supporting frame (21).
2. The cooling device for the large ring rolling machine spindle according to claim 1, wherein two hydraulic cylinders (22) are arranged at the top end of the upper support frame (21), piston shafts of the two hydraulic cylinders (22) are connected with a rotating motor (23) together, a spindle connecting piece (24) is connected to the bottom end of the shaft of the rotating motor (23) and is connected with the connecting shaft (12) on the spindle, and a spindle cooling part (4) is arranged on the upper support frame (21).
3. The cooling device for the large ring rolling machine spindle according to claim 2, wherein the mandrel lower supporting seat (3) comprises a lower supporting frame (31) connected with the ring rolling machine, a lower bearing seat (32) is arranged on the top surface of the lower supporting frame (31) through a bracket, and the lower bearing seat (32) is sleeved on the outer side of the mandrel lower connecting shaft (13).
4. A large ring rolling machine spindle cooling device according to claim 3, wherein the spindle cooling part (4) is provided on the upper support frame (21).
5. A large ring rolling mill spindle cooling device according to claim 4, wherein the cylinder head conversion block (43) is connected to a water tank of the ring rolling mill through an external water pipe.
6. The cooling device for the large ring rolling machine spindle according to claim 5, wherein the electric cylinder (41) is controlled by a numerical control program to drive the cooling water pipe (46) to move up and down during operation, and the cooling water is sprayed on the spindle (1) through the water spraying holes (47) on the cooling water pipe (46).
7. The cooling device for the large ring rolling mill spindle according to claim 6, wherein the electric cylinder (41) can automatically adjust the position of the cooling water pipe (46) spraying the cooling water.
8. The cooling device for the large ring rolling mill spindle according to claim 7, wherein the amount of the cooling water is automatically adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421752834.3U CN222856610U (en) | 2024-07-24 | 2024-07-24 | A cooling device for the core shaft of a large ring rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421752834.3U CN222856610U (en) | 2024-07-24 | 2024-07-24 | A cooling device for the core shaft of a large ring rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222856610U true CN222856610U (en) | 2025-05-13 |
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ID=95613211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421752834.3U Active CN222856610U (en) | 2024-07-24 | 2024-07-24 | A cooling device for the core shaft of a large ring rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222856610U (en) |
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2024
- 2024-07-24 CN CN202421752834.3U patent/CN222856610U/en active Active
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