Bearing ring forming device based on precision die forging technology and technology thereof

Abstract

The bearing ring forming device based on the precision die forging technology comprises a support, a U-shaped frame is fixedly installed on the upper surface of the support, a sliding column is fixedly installed on the upper surface of the U-shaped frame, the outer surface of the sliding column can be sleeved with a forming and demolding mechanism, and a guide heat dissipation mechanism is installed at one end of the U-shaped frame in a butt joint mode. And the forming demolding mechanism can push the formed bearing ring to the guiding heat dissipation mechanism for conveying and heat dissipation of the bearing ring. Through the design of the forming and demolding mechanism and the guide heat dissipation mechanism, molten metal can be rapidly formed into the initial shape of the bearing ring after being injected, the success rate of one-time forming is increased, and therefore the overall production efficiency is improved; and after being conveyed and cooled, the steel plate enters a die forging station for follow-up treatment, and the technological process is automatic and continuous.

Description

Technical Field

[0001] The invention relates to the technical field of bearing ring casting, in particular to a bearing ring forming device based on precision die forging technology and a process thereof. Background Art

[0002] The patent with the announcement number CN111774810B discloses a large-scale bearing ring blank forming process, and the process includes the following steps: S1, raw material preparation; S2, forging; S3, annealing; S4, turning; S5, heat treatment and quenching work; S6, tempering; including the following sub-steps: S61, first clean the bearing ring blank through a cleaning device, and then dry the bearing ring blank through an external drying device for preparation; S62, place the cleaned and dried bearing ring blank in an air electric furnace for heating and tempering at a certain temperature and a certain time, so that the surface of the workpiece maintains a certain temperature; S7, grinding. The large-scale bearing ring blank forming process is equipped with a sleeve shearing die, and the setting of the sleeve shearing die allows the bar to be well placed in the sleeve shearing die for fixing, which is convenient for fixing the axial direction of the bar, thereby well limiting the warping of the bar during shearing and the flattening of the bar by the blade during shearing.

[0003] The above processing technology cannot automatically demould the formed bearing ring after the bearing ring is made and cool it during the transportation process, but requires manual intervention, which not only increases the labor intensity but also reduces the production efficiency. In addition, during the manual demoulding and cooling process, it is easy to cause uneven temperature distribution of the bearing ring, thereby affecting its subsequent processing and performance. Summary of the invention

[0004] The purpose of the present invention is to provide a bearing ring forming device and process based on precision die forging technology to solve the technical problem raised in the above background technology that the formed bearing ring cannot be automatically demolded and cooled during the transportation process after the bearing ring is produced, and manual intervention is required, which not only increases labor intensity but also reduces production efficiency.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A bearing ring forming device based on precision die forging technology includes a bracket, a C-shaped frame is fixedly installed on the upper surface of the bracket, a sliding column is fixedly installed on the upper surface of the C-shaped frame, and a forming and demolding mechanism can be installed on the outer surface of the sliding column, so that the sliding column can form a bearing ring groove between the sliding column and the forming and demolding mechanism through the forming and demolding mechanism.

[0007] Among them, a guiding heat dissipation mechanism is butt-jointedly installed at one end of the U-shaped frame, so that the molding demoulding mechanism can push the molded bearing ring to the guiding heat dissipation mechanism for transportation and heat dissipation.

[0008] As a further solution of the present invention, a heat chamber is fixedly installed in the bracket, and the discharge port of the heat chamber is connected to the sliding column, so that the heat chamber can inject the molten metal into the bearing ring groove formed between the sliding column and the molding demolding mechanism.

[0009] As a further solution of the present invention, the molding and demolding mechanism includes two groups of first hydraulic rods, the two groups of first hydraulic rods are fixedly mounted on the upper surface of the L-shaped plate, the two groups of L-shaped plates are respectively fixedly mounted on both sides of the U-shaped frame, the piston rods of the two groups of first hydraulic rods are both inserted into the U-shaped frame and semi-ring sleeves are fixedly mounted on the ends, and the two groups of semi-ring sleeves can be pushed and sealed onto the outer surface of the sliding column and sealed and spliced ​​with each other.

[0010] As a further solution of the present invention, the sliding column is assembled through two sets of half-ring sleeves, so that a bearing ring type annular groove can be formed between the sliding column and the two sets of half-ring sleeves.

[0011] As a further solution of the present invention, the lower surfaces of the two groups of spliced ​​half-ring sleeves are simultaneously sealed and slidably attached to the upper surface of the bottom ring. The bottom ring can slide up and down on the outer surface of the sliding column through the pushing of the two groups of connecting columns. The connecting column is fixedly installed on the lower surface of the bottom ring. The connecting column passes through the C-shaped frame to the lower surface and is fixedly connected to the piston rod of the second hydraulic rod. An overhead rod is fixedly installed on the upper surface of the second hydraulic rod, and the other end of the overhead rod is fixedly installed on the lower surface of the C-shaped frame, so that the second hydraulic rod is suspended on the lower surface of the C-shaped frame through the overhead rod.

[0012] As a further solution of the present invention, after the bearing ring is cooled and solidified in the bearing ring groove, the two groups of first hydraulic rods can be started to pull and unfold the two groups of semi-ring sleeves from the outer surface of the bearing ring, and the bearing ring is limited and sleeved on the outer surface of the sliding column, so that the second hydraulic rod can push the bottom ring to slide upward on the outer surface of the sliding column, so as to push the bearing ring sleeved on the outer surface of the sliding column upward from the outer surface of the sliding column. After the bottom ring is pushed to be flush with the upper surface of the sliding column, the third hydraulic rod can be started. The third hydraulic rod is fixedly installed at one end of the U-shaped frame, and a semi-arc plate is fixedly installed at one end of the piston rod of the third hydraulic rod, so that the semi-arc plate at one end of the piston rod of the third hydraulic rod can be pushed to slide on the upper surface of the bottom ring and push the pushed bearing ring into the guide heat dissipation mechanism.

[0013] As a further solution of the present invention, the guided heat dissipation mechanism includes two groups of Z-shaped plates, which are fixedly installed on one end of the upper surface of the bracket. A Z-shaped conveyor belt is installed between the two groups of Z-shaped plates, and the Z-shaped conveyor belt is flush with the bottom ring that is pushed up.

[0014] As a further solution of the present invention, mesh holes are provided on the surface of the Z-shaped conveyor belt.

[0015] As a further solution of the present invention, a square frame is fixedly installed between the two groups of Z-shaped plates, and a cooling fan is fixedly installed in the square frame, so that the cooling fan can blow on the surface of the conveyed bearing ring through the mesh holes opened on the surface of the Z-shaped conveyor belt.

[0016] The present invention also provides a bearing ring forming process based on precision die forging technology, comprising the following steps:

[0017] S1. When casting the bearing ring, two groups of first hydraulic rods can be started to push two groups of half-rings on the upper surface of the bottom ring to slide and splice them on the outer surface of the sliding column, so that a bearing ring groove is formed between the sliding column and the two groups of half-rings. Then, the hot chamber can be started to inject molten metal into the bearing ring groove formed between the sliding column and the two groups of half-rings, and forging is performed to form the initial shape of the bearing ring;

[0018] S2, until the bearing ring is cooled and solidified in the bearing ring groove, the two groups of first hydraulic rods can be started to pull the two groups of semi-rings from the outer surface of the bearing ring, and the bearing ring is limited and sleeved on the outer surface of the sliding column, so that the second hydraulic rod can push the bottom ring to slide upward on the outer surface of the sliding column, so as to push the bearing ring sleeved on the outer surface of the sliding column upward from the outer surface of the sliding column. After the bottom ring is pushed to be flush with the upper surface of the sliding column, the third hydraulic rod can be started to make the semi-arc plate at one end of the third hydraulic rod push piston rod slide on the upper surface of the bottom ring to push the pushed bearing ring into the upper surface of the Z-shaped conveyor belt, thus completing the steps of automatic demoulding and path pushing;

[0019] S3. After the bearing ring is pushed onto the Z-shaped conveyor belt, during the conveying process, the cooling fan in the Z-shaped conveyor belt blows on the surface of the conveyed bearing ring through the mesh holes on the surface of the Z-shaped conveyor belt, so as to cool and directionally convey the demoulded bearing ring, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, so as to further improve the performance and precision of the bearing ring.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] When manufacturing the bearing ring, the forming demoulding mechanism can be started to be sleeved on the outer surface of the sliding column, so that the sliding column can form a bearing ring groove between the sliding column and the forming demoulding mechanism through the forming demoulding mechanism sleeve, and the hot chamber is started to connect the metal drainage port to the sliding column, so that the hot chamber can inject the molten metal into the sliding column, so that it flows into the bearing ring groove formed between the sliding column and the forming demoulding mechanism through the through hole opened on the outer surface of the sliding column for die forging to form the initial shape of the bearing ring. After the bearing ring is cooled and solidified in the bearing ring groove, the forming demoulding mechanism can be started again to be pulled and unfolded from the formed outer surface of the bearing ring, and the bearing ring is limitedly sleeved on the outer surface of the sliding column, and then the demoulding end in the forming demoulding mechanism can be started again to push the bearing ring to the guide heat dissipation mechanism for transportation, and it can be cooled and dissipated together during the transportation process, so that the formed and cooled bearing ring is transported to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring.

[0022] The die forging is performed by forming a bearing ring groove by using a forming demoulding mechanism and a slide column, and the shape of the bearing ring is accurately controlled, which reduces the time for adjusting the shape deviation that may occur in the traditional manufacturing method. Through the precise die shape, the molten metal can be quickly formed into the initial shape of the bearing ring after injection, thereby improving the success rate of single forming, thereby improving the overall production efficiency. The continuous process flow is from die forging to demoulding, and then to the conveying cooling of the guide heat dissipation mechanism, and finally entering the die forging station for subsequent processing. The entire process is continuous. This continuity reduces the turnaround time between processes, avoids the time waste caused by the pause in the intermediate links, and further improves the production efficiency of the bearing ring.

[0023] The bearing ring groove formed between the sliding column and the forming and demolding mechanism is die-forged to ensure the shape accuracy of the bearing ring. Compared with other less precise manufacturing methods, the inner and outer diameters, thickness and other dimensions of the bearing ring are more in line with the design requirements, providing a good foundation for subsequent surface treatment and heat treatment processes, which is beneficial to improving the overall quality of the bearing ring. When the bearing ring that has been precisely formed and evenly cooled is transported to the die-forging station for surface treatment and heat treatment processes, it can be treated more stably due to its good initial state. For example, during heat treatment, a more uniform initial structure helps to achieve a more uniform organizational transformation, thereby improving the hardness and wear resistance of the bearing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0026] Figure 2 It is a schematic diagram of the sliding column structure of an embodiment of the present invention;

[0027] Figure 3 It is a structural schematic diagram of a bearing ring being pushed up by a bottom ring according to an embodiment of the present invention;

[0028] Figure 4 It is a structural schematic diagram of a bearing ring according to an embodiment of the present invention being pushed onto a Z-shaped conveyor belt by a semi-arc plate;

[0029] Figure 5 This is a schematic diagram of a structure in which a heat chamber and a sliding column are connected in an embodiment of the present invention;

[0030] Figure 6 It is a structural schematic diagram of a molding and demoulding mechanism according to an embodiment of the present invention;

[0031] Figure 7 It is a structural schematic diagram of a second hydraulic rod pushing a bottom ring to slide on the outer surface of a sliding column according to an embodiment of the present invention;

[0032] Figure 8 It is a structural schematic diagram of the guided heat dissipation mechanism according to an embodiment of the present invention.

[0033] Figure numerals: 1, bracket; 101, hot chamber; 2, U-shaped frame; 201, sliding column; 202, L-shaped plate; 3, forming and demolding mechanism; 301, first hydraulic rod; 302, semi-ring sleeve; 303, third hydraulic rod; 304, semi-arc plate; 305, second hydraulic rod; 306, connecting column; 307, bottom ring; 308, overhead rod; 4, guided heat dissipation mechanism; 401, Z-shaped plate; 402, Z-shaped conveyor belt; 403, frame; 404, cooling fan. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.

[0036] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0037] See also Figure 1-Figure 4 As shown, an embodiment of the present invention is a bearing ring forming device based on precision die forging technology, including a bracket 1, a C-shaped frame 2 is fixedly installed on the upper surface of the bracket 1, a sliding column 201 is fixedly installed on the upper surface of the C-shaped frame 2, and the outer surface of the sliding column 201 can be covered with a forming and demolding mechanism 3, so that the sliding column 201 can form a bearing ring groove between the sliding column 201 and the forming and demolding mechanism 3 through the covering of the forming and demolding mechanism 3.

[0038] Among them, a guiding heat dissipation mechanism 4 is butt-jointedly installed at one end of the U-shaped frame 2, so that the molding demoulding mechanism 3 can push the molded bearing ring to the guiding heat dissipation mechanism 4 for transportation and heat dissipation.

[0039] A heat chamber 101 is fixedly installed in the bracket 1 , and a discharge port of the heat chamber 101 is connected to the slide column 201 , so that the heat chamber 101 can inject molten metal into the bearing ring groove formed between the slide column 201 and the molding demolding mechanism 3 .

[0040] When manufacturing the bearing ring, the molding demoulding mechanism 3 can be started to be mounted on the outer surface of the sliding column 201, so that the sliding column 201 can form a bearing ring groove between the sliding column 201 and the molding demoulding mechanism 3 through the molding demoulding mechanism 3. Then, the hot chamber 101 can be started to connect the metal discharge port to the sliding column 201, so that the hot chamber 101 can inject the molten metal into the sliding column 201, so that it flows into the bearing ring groove formed between the sliding column 201 and the molding demoulding mechanism 3 through the through hole opened on the outer surface of the sliding column 201 for die forging to form the bearing ring. The initial shape can be formed until the bearing ring is cooled and solidified in the bearing ring groove, and the forming demolding mechanism 3 can be started again to pull and unfold the outer surface of the formed bearing ring, and the bearing ring is limited and fitted on the outer surface of the sliding column 201. Then, the demolding end of the forming demolding mechanism 3 can be started again to push the bearing ring to the guide heat dissipation mechanism 4 for transportation, and it can be cooled and dissipated during the transportation process, so that the formed and cooled bearing ring can be transported to the die forging station for surface treatment, heat treatment and other processes, so as to further improve the performance and precision of the bearing ring.

[0041] The die forging is performed by forming a bearing ring groove by using a forming demolding mechanism 3 and a slide column 201. This method can accurately control the shape of the bearing ring, reducing the shape deviation adjustment time that may occur in the traditional manufacturing method. Through the precise mold shape, the molten metal can be quickly formed into the initial shape of the bearing ring after injection, thereby improving the success rate of single molding, thereby improving the overall production efficiency. The continuous process flow is from die forging to demolding, and then to the conveying cooling of the guide heat dissipation mechanism 4, and finally entering the die forging station for subsequent processing. The entire process is continuous. This continuity reduces the turnover time between processes, avoids the time waste caused by the pause of the intermediate links, and further improves the production efficiency of the bearing ring.

[0042] In addition, the bearing ring type annular groove formed between the sliding column 201 and the forming and demolding mechanism 3 is die-forged, which can ensure the shape accuracy of the bearing ring. Compared with other less precise manufacturing methods, this method can make the inner and outer diameters, thickness and other dimensions of the bearing ring more in line with the design requirements, providing a good foundation for subsequent surface treatment, heat treatment and other processes, which is beneficial to improving the overall quality of the bearing ring. When the bearing ring that has been precisely formed and evenly cooled is transported to the die-forging station for surface treatment, heat treatment and other processes, due to its good initial state, it can be processed more stably during these processes. For example, during heat treatment, a more uniform initial structure helps to achieve a more uniform organizational transformation, thereby improving the performance of the bearing ring, such as hardness, wear resistance, etc.

[0043] See also Figure 5-Figure 7As shown, the molding and demolding mechanism 3 includes two groups of first hydraulic rods 301, the two groups of first hydraulic rods 301 are fixedly installed on the upper surface of the L-shaped plate 202, and the two groups of L-shaped plates 202 are respectively fixedly installed on both sides of the U-shaped frame 2. The piston rods of the two groups of first hydraulic rods 301 are both inserted into the U-shaped frame 2 and the ends are fixedly installed with semi-annular sleeves 302. The two groups of semi-annular sleeves 302 can be pushed and sealed onto the outer surface of the sliding column 201 and sealed and spliced ​​with each other.

[0044] The sliding column 201 is passed through the two sets of half-ring sleeves 302 for splicing and assembly, so that a bearing ring type annular groove can be formed between the sliding column 201 and the two sets of half-ring sleeves 302 .

[0045] The lower surfaces of the two groups of spliced ​​half-ring sleeves 302 are sealed and slidably attached to the upper surface of the bottom ring 307 at the same time. The bottom ring 307 can slide up and down on the outer surface of the sliding column 201 through the push of two groups of connecting columns 306. The connecting column 306 is fixedly installed on the lower surface of the bottom ring 307. The connecting column 306 passes through the C-shaped frame 2 to the lower surface and is fixedly connected to the piston rod of the second hydraulic rod 305. An overhead rod 308 is fixedly installed on the upper surface of the second hydraulic rod 305, and the other end of the overhead rod 308 is fixedly installed on the lower surface of the C-shaped frame 2, so that the second hydraulic rod 305 is suspended on the lower surface of the C-shaped frame 2 through the overhead rod 308.

[0046] After the bearing ring is cooled and solidified in the bearing ring groove, the two sets of first hydraulic rods 301 can be started to pull the two sets of semi-ring sleeves 302 from the outer surface of the bearing ring, and the bearing ring is limited and sleeved on the outer surface of the sliding column 201, so that the second hydraulic rod 305 can push the bottom ring 307 to slide upward on the outer surface of the sliding column 201, so as to push the bearing ring sleeved on the outer surface of the sliding column 201 upward from the outer surface of the sliding column 201. After the bottom ring 307 is pushed to be flush with the upper surface of the sliding column 201, the third hydraulic rod 303 can be started. The third hydraulic rod 303 is fixedly mounted on one end of the U-shaped frame 2, and a semi-arc plate 304 is fixedly mounted on one end of the piston rod of the third hydraulic rod 303, so that the semi-arc plate 304 at one end of the piston rod of the third hydraulic rod 303 can be pushed to slide on the upper surface of the bottom ring 307 and push the pushed bearing ring into the guide heat dissipation mechanism 4.

[0047] When casting the bearing ring, the two sets of half-rings 302 can be pushed on the upper surface of the bottom ring 307 by starting the two sets of first hydraulic rods 301 to slide and splice the two sets of half-rings 302 on the outer surface of the sliding column 201, so that a bearing ring groove is formed between the sliding column 201 and the two sets of half-rings 302. Then, the hot chamber 101 can be started to inject molten metal into the bearing ring groove formed between the sliding column 201 and the two sets of half-rings 302, and forging is performed to form the initial shape of the bearing ring. After the bearing ring is cooled and solidified in the bearing ring groove, the two sets of first hydraulic rods 301 can be started to pull the two sets of half-rings 302 from the outer surface of the bearing ring. The bottom ring 307 is pushed upwards on the outer surface of the sliding column 201, thereby pushing the bearing ring mounted on the outer surface of the sliding column 201 upwards from the outer surface of the sliding column 201. After the bottom ring 307 is pushed to be flush with the upper surface of the sliding column 201, the third hydraulic rod 303 can be started, so that the semi-arc plate 304 at one end of the third hydraulic rod 303 pushes the piston rod to slide against the upper surface of the bottom ring 307, and pushes the pushed bearing ring into the upper surface of the Z-shaped conveyor belt 402, thus completing the steps of automatic demoulding and path pushing.

[0048] In the above process, the half-ring 302 is pushed to slide and splice on the bottom ring 307 through two groups of first hydraulic rods 301 to form a bearing ring groove with the sliding column 201, which can accurately control the shape and size of the ring groove. When the molten metal is injected into it for die forging, the initial shape of the bearing ring with high shape accuracy can be obtained, which is beneficial to ensure the dimensional tolerance and form and position tolerance of the bearing ring, thereby improving product quality. The entire process from die forging to automatic demolding and then to path pushing is achieved through the operation of hydraulic rods. The automated process reduces the links of manual intervention and reduces operational errors caused by human factors, thereby improving production efficiency.

[0049] like Figure 8 As shown, the guided heat dissipation mechanism 4 includes two groups of Z-shaped plates 401, which are fixedly installed on one end of the upper surface of the bracket 1, and a Z-shaped conveyor belt 402 is installed between the two groups of Z-shaped plates 401 for transmission, and the Z-shaped conveyor belt 402 is flush with the bottom ring 307 that is pushed up.

[0050] Mesh holes are formed on the surface of the Z-shaped conveyor belt 402 .

[0051] A square frame 403 is fixedly installed between the two groups of Z-shaped plates 401, and a cooling fan 404 is fixedly installed in the square frame 403, so that the cooling fan 404 can blow on the surface of the conveyed bearing ring through the mesh holes opened on the surface of the Z-shaped conveyor belt 402.

[0052] Through the design of the Z-shaped conveyor belt 402, the frame 403 and the cooling fan 404, when the bearing ring is pushed onto the Z-shaped conveyor belt 402 for transportation, the cooling fan 404 in the Z-shaped conveyor belt 402 blows on the surface of the conveyed bearing ring through the mesh holes on the surface of the Z-shaped conveyor belt 402, so as to cool and directionally convey the demoulding bearing ring, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring, and in the transportation process after demoulding, the cooling fan 404 in the Z-shaped conveyor belt 402 blows through the mesh holes on the surface of the Z-shaped conveyor belt 402, so as to cool and directionally convey the bearing ring after demoulding, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring. Blowing and cooling the bearing rings can achieve relatively uniform cooling. Uniform cooling helps to avoid excessive thermal stress in the bearing rings due to local temperature differences, thereby reducing the probability of defects such as deformation and cracking, and improving the structural integrity of the bearing rings. Appropriate temperature control provides good initial conditions for subsequent surface treatment and heat treatment processes. During heat treatment, if the initial temperature of the bearing rings is uneven, it will lead to uneven structure after heat treatment, affecting the hardness and toughness performance indicators. The above-mentioned uniform cooling method helps to obtain more uniform performance improvement in subsequent processes and further improve the quality of the bearing rings.

[0053] The embodiment of the present invention provides a bearing ring forming process based on precision die forging technology, comprising the following steps:

[0054] S1. When casting the bearing ring, two groups of first hydraulic rods 301 can be started to push two groups of semi-ring sleeves 302 to slide and splice on the upper surface of the bottom ring 307 and fit on the outer surface of the sliding column 201, so that a bearing ring groove is formed between the sliding column 201 and the two groups of semi-ring sleeves 302. Then, the hot chamber 101 can be started to inject molten metal into the bearing ring groove formed between the sliding column 201 and the two groups of semi-ring sleeves 302, and forging is performed to form the initial shape of the bearing ring;

[0055] S2, until the bearing ring is cooled and solidified in the bearing ring groove, the two groups of first hydraulic rods 301 can be started to pull the two groups of semi-rings 302 from the outer surface of the bearing ring, and the bearing ring is limited and sleeved on the outer surface of the sliding column 201, so that the second hydraulic rod 305 can push the bottom ring 307 to slide upward on the outer surface of the sliding column 201, so as to push the bearing ring sleeved on the outer surface of the sliding column 201 upward from the outer surface of the sliding column 201. After the bottom ring 307 is pushed to be flush with the upper surface of the sliding column 201, the third hydraulic rod 303 can be started, so that the semi-arc plate 304 at one end of the third hydraulic rod 303 pushes the piston rod to slide on the upper surface of the bottom ring 307 to push the pushed bearing ring into the upper surface of the Z-shaped conveyor belt 402, that is, the steps of automatic demoulding and path pushing are completed;

[0056] S3. After the bearing ring is pushed onto the Z-shaped conveyor belt 402, during the conveying process, the cooling fan 404 in the Z-shaped conveyor belt 402 blows on the surface of the conveyed bearing ring through the mesh holes on the surface of the Z-shaped conveyor belt 402, so as to cool and directionally convey the demoulded bearing ring, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring.

[0057] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when casting the bearing ring, the two sets of first hydraulic rods 301 can be started to push the two sets of semi-ring sleeves 302 to slide and splice on the upper surface of the bottom ring 307 and fit on the outer surface of the sliding column 201, so that a bearing ring groove is formed between the sliding column 201 and the two sets of semi-ring sleeves 302, and then the hot chamber 101 can be started to inject molten metal into the bearing ring groove formed between the sliding column 201 and the two sets of semi-ring sleeves 302, and forging is performed to form the initial shape of the bearing ring, until the bearing ring is cooled and solidified in the bearing ring groove, it can be started The two groups of first hydraulic rods 301 pull the two groups of semi-rings 302 from the outer surface of the bearing ring, and the bearing ring is limitedly sleeved on the outer surface of the sliding column 201, so that the second hydraulic rod 305 pushes the bottom ring 307 to slide upward on the outer surface of the sliding column 201, thereby pushing the bearing ring sleeved on the outer surface of the sliding column 201 upward from the outer surface of the sliding column 201, until the bottom ring 307 is pushed to be flush with the upper surface of the sliding column 201, and then the third hydraulic rod 303 can be started, so that the third hydraulic rod 303 pushes the semi-arc plate 304 at one end of the piston rod to slide against the upper surface of the bottom ring 307 to push the bearing ring pushed up. The bearing ring is pushed into the upper surface of the Z-shaped conveyor belt 402, which completes the steps of automatic demoulding and path pushing. After the bearing ring is pushed onto the Z-shaped conveyor belt 402, it will be conveyed by the Z-shaped conveyor belt 402. During the conveying process, the cooling fan 404 in the Z-shaped conveyor belt 402 will blow on the surface of the conveyed bearing ring through the mesh holes on the surface of the Z-shaped conveyor belt 402, so as to cool and directionally convey the demoulded bearing ring, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, so as to further improve the performance and precision of the bearing ring, and after demoulding During the conveying process, the cooling fan 404 in the Z-shaped conveyor belt 402 is used to blow and cool the bearing ring through the mesh, so that relatively uniform cooling can be achieved. Uniform cooling helps to avoid excessive thermal stress in the bearing ring due to local temperature differences, thereby reducing the probability of defects such as deformation and cracking, and improving the structural integrity of the bearing ring. Appropriate temperature control provides good initial conditions for subsequent surface treatment and heat treatment processes, so that the formed and cooled bearing ring can be conveyed to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring.

[0058] In summary, the embodiment of the present invention uses a precise mold shape to enable the molten metal to be quickly formed into the preliminary shape of the bearing ring after injection, thereby improving the success rate of single molding, thereby improving the overall production efficiency, and the continuous process flow from die forging to demolding, then to conveying and cooling, and finally entering the die forging station for subsequent processing. The entire process is automatic and continuous, which reduces the turnover time between processes, avoids time waste caused by pauses in intermediate links, and further improves the production efficiency of the bearing ring.

[0059] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing ring forming device based on precision die forging technology, characterized in that: The invention comprises a bracket (1), a C-shaped frame (2) being fixedly mounted on the upper surface of the bracket (1), a sliding column (201) being fixedly mounted on the upper surface of the C-shaped frame (2), and a molding demoulding mechanism (3) being sleeved on the outer surface of the sliding column (201), so that the sliding column (201) can form a bearing ring-type annular groove between the sliding column (201) and the molding demoulding mechanism (3) by being sleeved on the molding demoulding mechanism (3); Wherein, a guiding heat dissipation mechanism (4) is butt-jointedly mounted on one end of the U-shaped frame (2), so that the molding demoulding mechanism (3) can push the molded bearing ring onto the guiding heat dissipation mechanism (4) for transportation and heat dissipation.

2. The bearing ring forming device based on precision die forging technology according to claim 1 is characterized in that: A heat chamber (101) is fixedly installed in the bracket (1), and a liquid discharge port of the heat chamber (101) is connected to the slide column (201), so that the heat chamber (101) can inject molten metal into the bearing ring groove formed between the slide column (201) and the molding demoulding mechanism (3).

3. The bearing ring forming device based on precision die forging technology according to claim 2 is characterized in that: The molding and demoulding mechanism (3) comprises two groups of first hydraulic rods (301), the two groups of the first hydraulic rods (301) are fixedly mounted on the upper surface of the L-shaped plate (202), the two groups of the L-shaped plate (202) are respectively fixedly mounted on both sides of the U-shaped frame (2), the piston rods of the two groups of the first hydraulic rods (301) are both inserted into the U-shaped frame (2) and the ends are fixedly mounted with semi-annular sleeves (302), and the two groups of the semi-annular sleeves (302) can be pushed and sealed onto the outer surface of the sliding column (201) and are sealed and spliced ​​with each other.

4. The bearing ring forming device based on precision die forging technology according to claim 3 is characterized in that: The sliding column (201) is passed through the splicing set of two groups of half-ring sleeves (302), so that a bearing ring-type annular groove can be formed between the sliding column (201) and the two groups of half-ring sleeves (302).

5. The bearing ring forming device based on precision die forging technology according to claim 4 is characterized in that: The lower surfaces of the two groups of spliced ​​half-ring sleeves (302) are simultaneously sealed and slidably attached to the upper surface of the bottom ring (307); the bottom ring (307) can slide up and down on the outer surface of the sliding column (201) by pushing the two groups of connecting columns (306); the connecting column (306) is fixedly installed on the lower surface of the bottom ring (307); the connecting column (306) penetrates from the inside of the C-shaped frame (2) to the lower surface and is fixedly connected to the piston rod of the second hydraulic rod (305); an overhead rod (308) is fixedly installed on the upper surface of the second hydraulic rod (305); the other end of the overhead rod (308) is fixedly installed on the lower surface of the C-shaped frame (2), so that the second hydraulic rod (305) is suspended on the lower surface of the C-shaped frame (2) through the overhead rod (308).

6. The bearing ring forming device based on precision die forging technology according to claim 5 is characterized in that: When the bearing ring is cooled and solidified in the bearing ring groove, the two groups of the first hydraulic rods (301) can be started to pull the two groups of half rings (302) from the outer surface of the bearing ring, and the bearing ring is limitedly sleeved on the outer surface of the sliding column (201), so that the second hydraulic rod (305) can push the bottom ring (307) to slide upward on the outer surface of the sliding column (201), thereby realizing that the bearing ring sleeved on the outer surface of the sliding column (201) is pushed upward from the outer surface of the sliding column (201) until the bearing ring After the bottom ring (307) is pushed to be flush with the upper surface of the slide column (201), the third hydraulic rod (303) can be started. The third hydraulic rod (303) is fixedly mounted on one end of the U-shaped frame (2). A semi-arc plate (304) is fixedly mounted on one end of the piston rod of the third hydraulic rod (303). The semi-arc plate (304) at one end of the piston rod of the third hydraulic rod (303) can be pushed to slide against the upper surface of the bottom ring (307) to push the pushed-up bearing ring into the guide heat dissipation mechanism (4).

7. The bearing ring forming device based on precision die forging technology according to claim 6 is characterized in that: The guide heat dissipation mechanism (4) comprises two groups of Z-shaped plates (401), the two groups of Z-shaped plates (401) are fixedly mounted on one end of the upper surface of the bracket (1), a Z-shaped conveyor belt (402) is installed between the two groups of Z-shaped plates (401), and the Z-shaped conveyor belt (402) is flush with the bottom ring (307) that is pushed up.

8. The bearing ring forming device based on precision die forging technology according to claim 7 is characterized in that: Mesh holes are provided on the surface of the Z-shaped conveyor belt (402).

9. The bearing ring forming device based on precision die forging technology according to claim 8, characterized in that: A square frame (403) is fixedly installed between the two groups of Z-shaped plates (401), and a cooling fan (404) is fixedly installed inside the square frame (403), so that the cooling fan (404) can blow on the surface of the conveyed bearing ring through the mesh holes opened on the surface of the Z-shaped conveyor belt (402).

10. A bearing ring forming process based on precision die forging technology, characterized in that: The bearing ring forming device based on the precision die forging technology described in claim 9 is used to prepare the bearing ring, comprising the following steps: S1. When casting the bearing ring, two groups of first hydraulic rods (301) can be started to push two groups of semi-ring sleeves (302) to slide and splice on the upper surface of the bottom ring (307) and fit on the outer surface of the sliding column (201), thereby forming a bearing ring groove between the sliding column (201) and the two groups of semi-ring sleeves (302). Subsequently, the hot chamber (101) can be started to inject molten metal into the bearing ring groove formed between the sliding column (201) and the two groups of semi-ring sleeves (302), and forging can be performed to form the initial shape of the bearing ring; S2, after the bearing ring is cooled and solidified in the bearing ring groove, the two groups of first hydraulic rods (301) can be started to pull the two groups of semi-rings (302) from the outer surface of the bearing ring, and the bearing ring is limitedly sleeved on the outer surface of the sliding column (201), so that the second hydraulic rod (305) can push the bottom ring (307) to slide upward on the outer surface of the sliding column (201), so as to push the bearing ring sleeved on the outer surface of the sliding column (201) upward from the outer surface of the sliding column (201), until the bottom ring (307) is pushed to be flush with the upper surface of the sliding column (201), and then the third hydraulic rod (303) can be started, so that the semi-arc plate (304) at one end of the third hydraulic rod (303) pushes the piston rod to slide on the upper surface of the bottom ring (307) to push the pushed bearing ring into the upper surface of the Z-shaped conveyor belt (402), thus completing the steps of automatic demoulding and path pushing; S3. After the bearing ring is pushed onto the Z-shaped conveyor belt (402), during the conveying process of the Z-shaped conveyor belt (402), the cooling fan (404) in the Z-shaped conveyor belt (402) blows on the surface of the conveyed bearing ring through the mesh holes opened on the surface of the Z-shaped conveyor belt (402), thereby cooling and directionally conveying the demoulding bearing ring, so that the formed and cooled bearing ring is conveyed to the die forging station for surface treatment, heat treatment and other processes, thereby further improving the performance and precision of the bearing ring.

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