Automobile hub forging heating furnace

Abstract

The utility model relates to the technical field of hub forging, and discloses an automobile hub forging heating furnace which comprises a base, a heating furnace body is installed at the top end of the base, a heating groove is formed in the top end of the heating furnace body, a groove is formed in the bottom end of the heating groove, and an annular groove is formed in the top end of the inner wall of the groove. The hub raw materials are placed through cooperation of the placing ring and the placing table, the gear motor is used for driving the placing table to rotate, so that the hub raw materials rotate slowly, it is guaranteed that the peripheries of the hub raw materials are evenly heated by the electromagnetic heating pipes, and the hub raw materials are heated evenly through cooperation of the guide ring, the supporting guide rods and the balls. And the placing ring moves up and down synchronously in the rotating process of the placing table, so that the placing ring is separated from the placing table, an empty air channel is formed in the bottom end of the hub raw material, hot air flows at the bottom end of the hub, and the heating rate of the hub raw material is further increased.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub forging, in particular to a heating furnace for forging automobile wheel hubs. Background Art

[0002] The wheel hub, also known as the wheel rim, is a cylindrical part that is used to support the tire inside the tire and is centrally mounted on the shaft. Since it mainly bears the overall mass of the vehicle, and a single metal automobile wheel hub is prone to deformation after a long time, the existing automobile wheel hub is generally made of alloy metal forging;

[0003] Chinese patent authorization announcement number CN219703388U discloses an aluminum alloy wheel hub forging heating device, including a frame structure, the frame structure includes a base, characterized in that: a heating device is provided on the upper side of the base, the heating device includes a connecting plate, and hinged tables are fixed on both sides of the connecting plate on the upper side of the base. The technical problem to be solved by the utility model is an aluminum alloy wheel hub forging heating device that can continuously heat during forging and has a clamping structure. The above-mentioned prior art scheme has the following shortcomings: the wheel hub raw material is mainly placed by a limiting table in the forging heating device, and the heating device is mainly arranged on both sides of the limiting table, so that when the wheel hub raw material is heated, its bottom end is always in contact with the limiting table, so that the bottom end of the wheel hub raw material cannot form a heat flow, thereby affecting the uniform heating of the wheel hub raw material and affecting its overall heating rate, so there is a certain room for improvement. Utility Model Content

[0004] The utility model aims to provide a heating furnace for forging automobile wheel hubs, so as to solve the problem that the existing heating furnace for forging automobile wheel hubs mentioned in the background technology is not easy to evenly heat the bottom end of the wheel hub raw material.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heating furnace for forging automobile wheel hubs, comprising a base, a heating furnace is installed on the top of the base, and a heating groove is provided on the top of the heating furnace, a groove is provided on the bottom of the heating groove, and an annular groove is provided on the top of the inner wall of the groove, a support ring is installed inside the annular groove, and a placement table is installed on the top of the support ring, the top of the placement table extends to the inside of the groove, a docking groove is provided on the top of the placement table, and through holes are evenly provided at the bottom of the docking groove, support guide rods are passed through the inside of the through holes, and the tops of multiple support guide rods are connected to the placement rings, and the bottom ends of multiple support guide rods are connected to the placement rings. A reciprocating lifting mechanism is provided to drive the placement ring to separate from the placement table, so that an air flow channel is formed at the bottom when the hub raw material is heated. A reduction motor is installed at the bottom end of the groove, and the output end of the reduction motor is connected to the center of the bottom end of the placement table to drive the placement table to rotate. Electromagnetic heating tubes are evenly installed on the inner wall of the heating groove, and support rods are evenly installed on the outer edge of the top of the base, and the top ends of multiple support rods are connected to a top plate. A hydraulic cylinder is installed at the bottom end of the top plate, and a forging hammer is installed at the bottom end of the hydraulic cylinder. The bottom end of the forging hammer corresponds to the opening of the heating groove, and guide rods are installed on both sides of the top end of the forging hammer, and the top ends of the guide rods pass through the top plate.

[0006] Preferably, the internal shape and size of the docking groove are matched with the external shape and size of the placement ring, and the placement ring cooperates with the support guide rod through the through hole and the placement platform to form an up and down sliding structure.

[0007] Preferably, four support guide rods are provided, and the support guide rods are distributed in a ring shape with equal intervals at the bottom end of the placement ring.

[0008] Preferably, the reciprocating lifting mechanism includes a guide ring installed at the bottom end of the groove, and limit plates are installed on the inner and outer sides of the guide ring. The bottom ends of the supporting guide rods above the guide ring are embedded with balls, and the bottom ends of the balls are against the top ends of the guide ring.

[0009] Preferably, the top-view cross-section of the guide ring is annular, and the guide ring, the placement table and the placement ring are colinearly distributed with a central axis, the top of the guide ring undulates in a wave-like cycle, and the number of crests and troughs of the guide ring is a multiple of four.

[0010] Preferably, an air guide mechanism is provided at the top of the heating furnace, and the air guide mechanism includes a heat collecting hood installed on the outer edge of the top of the heating furnace, and a U-shaped conduit is evenly penetrated through the outside of the heat collecting hood, and the other end of the U-shaped conduit penetrates into the interior of the heating tank, and an air outlet hood is installed at one end of the U-shaped conduit close to the heat collecting hood.

[0011] Preferably, the heat collecting hood is in an inverted funnel shape, and the minimum inner diameter of the heat collecting hood is matched with the inner diameter of the top opening of the heating furnace, and the inner diameter of the gas outlet hood gradually increases from the outside to the inside.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The placement of the hub material is achieved through the cooperation of the placement ring and the placement table. The reduction motor is used to drive the placement table to rotate, so that the hub material rotates slowly to ensure that the electromagnetic heating tube is evenly heated around the hub material. The placement table is used to cooperate with the guide ring, the support guide rod and the ball to synchronously move the placement ring up and down during the rotation process, so that the placement ring is separated from the placement table, so that an empty air channel is formed at the bottom of the hub material, so that hot air can flow at the bottom of the hub, thereby further improving the heating rate of the hub material;

[0014] (2) The hub material is driven to rotate up and down in a spiral manner by placing a table, so as to drive the hot air flow inside the groove to rotate, and the U-shaped duct is used to conduct the heat flow in the groove. With the help of the heat collecting hood and the air outlet hood, the heat flow is blown radially to the heat flow gushing upward in the groove, so that the two collide to slow down the dissipation of the hot air, thereby improving the heating effect of the top of the hub material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the heating furnace of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the placement table of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross-sectional three-dimensional structure of the guide ring of the utility model.

[0020] Explanation of the reference numerals in the figure: 1. base; 2. heating furnace; 3. heating groove; 4. groove; 5. annular groove; 6. support ring; 7. placement table; 8. docking groove; 9. placement ring; 10. support guide rod; 11. guide ring; 12. limit plate; 13. ball; 14. reduction motor; 15. electromagnetic heating tube; 16. support rod; 17. top plate; 18. hydraulic cylinder; 19. forging hammer; 20. guide rod; 21. heat collecting hood; 22. U-shaped duct; 23. air outlet hood; 24. through hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 , the utility model provides an embodiment: an automobile wheel hub forging heating furnace, comprising a base 1, a heating furnace 2 is installed on the top of the base 1;

[0023] The top of the heating furnace 2 is provided with an air guide mechanism, and the air guide mechanism includes a heat collecting cover 21 installed on the outer edge of the top of the heating furnace 2, and a U-shaped conduit 22 is uniformly penetrated through the outer side of the heat collecting cover 21, and the other end of the U-shaped conduit 22 penetrates into the interior of the heating tank 3, and an air outlet cover 23 is installed at one end of the U-shaped conduit 22 close to the heat collecting cover 21;

[0024] The heat collecting cover 21 is in the shape of an inverted funnel, and the minimum inner diameter of the heat collecting cover 21 matches the inner diameter of the top opening of the heating furnace 2, and the inner diameter of the gas outlet cover 23 gradually increases from the outside to the inside;

[0025] Specifically, Figure 1 , Figure 2 As shown, when in use, a U-shaped conduit 22 is used to allow the hot air to be discharged radially above the opening of the heating furnace 2, thereby slowing down the outward diffusion rate of the hot air to ensure the heating effect of the top of the hub raw material and improve the heating rate;

[0026] A heating groove 3 is provided at the top of the heating furnace 2, a groove 4 is provided at the bottom of the heating groove 3, an annular groove 5 is provided at the top of the inner wall of the groove 4, a support ring 6 is installed inside the annular groove 5, and a placement table 7 is installed at the top of the support ring 6, the top of the placement table 7 extends to the inside of the groove 4, and a docking groove 8 is provided at the top of the placement table 7;

[0027] The internal shape and size of the docking groove 8 are adapted to the external shape and size of the placement ring 9. The placement ring 9 cooperates with the support guide rod 10 through the through hole 24 and the placement table 7 to form an up-and-down sliding structure.

[0028] The bottom end of the docking groove 8 is evenly provided with through holes 24, and the inside of the through holes 24 is penetrated by the support guide rods 10;

[0029] Four support guide rods 10 are provided, and the support guide rods 10 are distributed in a ring shape with equal spacing at the bottom end of the placement ring 9;

[0030] Specifically, Figure 1 , Figure 3 As shown, when in use, a plurality of support guide rods 10 are used to stably support the placement ring 9, and the placement ring 9 is used to cooperate with the docking groove 8 so that the placement ring 9 and the placement table 7 form a forging table, which is convenient for the forging hammer 19 to hammer;

[0031] The top ends of the plurality of support guide rods 10 are connected with a placement ring 9, and the bottom ends of the plurality of support guide rods 10 are provided with a reciprocating lifting mechanism to drive the placement ring 9 to separate from the placement table 7, so that an air flow channel is formed at the bottom end when the hub raw material is heated;

[0032] The reciprocating lifting mechanism includes a guide ring 11 installed at the bottom end of the groove 4, and the inner and outer sides of the guide ring 11 are both installed with limit plates 12, and the bottom ends of the support guide rods 10 above the guide ring 11 are embedded with balls 13, and the bottom ends of the balls 13 are against the top ends of the guide ring 11;

[0033] The cross section of the guide ring 11 when viewed from above is annular, and the guide ring 11, the placement platform 7 and the placement ring 9 are arranged with the central axis collinearly, the top of the guide ring 11 is wavy and cyclically undulating, and the number of crests and troughs of the guide ring 11 is a multiple of four;

[0034] A reduction motor 14 is installed at the bottom end of the groove 4, and the output end of the reduction motor 14 is connected to the center of the bottom end of the placement table 7 to drive the placement table 7 to rotate. The inner wall of the heating groove 3 is evenly installed with electromagnetic heating tubes 15, and the outer edge of the top of the base 1 is evenly installed with support rods 16, and the top ends of multiple support rods 16 are connected to a top plate 17. A hydraulic cylinder 18 is installed at the bottom end of the top plate 17, and a forging hammer 19 is installed at the bottom end of the hydraulic cylinder 18. The bottom end of the forging hammer 19 corresponds to the opening of the heating groove 3. Guide rods 20 are installed on both sides of the top end of the forging hammer 19, and the top ends of the guide rods 20 pass through the top plate 17.

[0035] Specifically, Figure 1 , Figure 3 , Figure 4As shown, when in use, under the guidance of the guide ring 11, the four support guide rods 10 move up and down synchronously, thereby driving the hub raw material to lift up, so as to promote the flow of hot air at the bottom end of the hub raw material and promote uniform heating of the hub raw material.

[0036] Working principle: When the utility model is used, the hub material is first placed on the placement ring 9, the electromagnetic heating tube 15 is started to heat the hub material around, and the reduction motor 14 is started to rotate synchronously to drive the placement table 7 to rotate, so that the support ring 6 rotates along the annular groove 5, and the through hole 24 and the support guide rod 10 are used to synchronously drive the placement ring 9 to rotate, so that the hub material rotates synchronously, so as to increase the uniformity of the heating around it;

[0037] Secondly, during the rotation of the support guide rod 10, it synchronously drives the ball 13 to move. Due to the action of the limit plate 12, the ball 13 is always rubbed along the top of the guide ring 11. Since the top of the guide ring 11 is wavy, the support guide rod 10 synchronously realizes up and down reciprocating movement during the rotation process, and then synchronously drives the placement ring 9 to move up and down, so that the placement ring 9 is separated from the placement table 7, so that hot air can flow at the bottom end of the hub raw material to promote uniform heating of the hub raw material, and due to the rotation of the hub raw material, the flow of heat flow in the heating tank 3 is promoted, and part of the heat flow is started to pass through the U-shaped guide tube 22 to the opening at the top of the heating furnace 2 to hit the hot air gushing upward, thereby further promoting the heating effect of the top of the hub raw material;

[0038] Finally, when the heating is completed, the reduction motor 14 is started and closed, so that the placement ring 9 is in the lowest position, and the placement ring 9 enters the interior of the docking groove 8, so that the placement table 7 and the placement ring 9 bear the weight of the hub material to form a forging table, and then the hydraulic cylinder 18 is started to lift and lower, so that it drives the forging hammer 19 to forge the hub material below.

[0039] In the description 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, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A heating furnace for forging an automobile wheel hub, comprising a base (1), characterized in that: A heating furnace (2) is installed at the top of the base (1), and a heating groove (3) is provided at the top of the heating furnace (2), a groove (4) is provided at the bottom of the heating groove (3), and an annular groove (5) is provided at the top of the inner wall of the groove (4), a support ring (6) is installed inside the annular groove (5), and a placement table (7) is installed at the top of the support ring (6), the top of the placement table (7) extends to the inside of the groove (4), a docking groove (8) is provided at the top of the placement table (7), and through holes (24) are evenly provided at the bottom of the docking groove (8), the inside of the through holes (24) are all penetrated by support guide rods (10), and the tops of multiple support guide rods (10) are connected to placement rings (9), and the bottoms of multiple support guide rods (10) are provided with reciprocating lifting mechanisms to drive the placement ring (9) and the placement table (7) to move. ) are separated so that an air flow channel is formed at the bottom when the hub raw material is heated. A reduction motor (14) is installed at the bottom end of the groove (4), and the output end of the reduction motor (14) is connected to the center of the bottom end of the placement table (7) to drive the placement table (7) to rotate. The inner wall of the heating groove (3) is evenly installed with electromagnetic heating tubes (15). The outer edge of the top of the base (1) is evenly installed with support rods (16), and the top ends of multiple support rods (16) are connected to a top plate (17). A hydraulic cylinder (18) is installed at the bottom end of the top plate (17), and a forging hammer (19) is installed at the bottom end of the hydraulic cylinder (18). The bottom end of the forging hammer (19) corresponds to the opening of the heating groove (3). Guide rods (20) are installed on both sides of the top end of the forging hammer (19), and the top ends of the guide rods (20) pass through the top plate (17).

2. The automobile wheel hub forging heating furnace according to claim 1, characterized in that: The internal shape and size of the docking groove (8) are matched with the external shape and size of the placement ring (9), and the placement ring (9) cooperates with the support guide rod (10) through the through hole (24) and the placement platform (7) to form an up and down sliding structure.

3. The automobile wheel hub forging heating furnace according to claim 1, characterized in that: Four support guide rods (10) are provided, and the support guide rods (10) are distributed in a ring shape at equal intervals at the bottom end of the placement ring (9).

4. The automobile wheel hub forging heating furnace according to claim 1, characterized in that: The reciprocating lifting mechanism comprises a guide ring (11) installed at the bottom end of the groove (4), and limit plates (12) are installed on the inner and outer sides of the guide ring (11), and the bottom ends of the support guide rods (10) above the guide ring (11) are embedded with balls (13), and the bottom ends of the balls (13) are against the top ends of the guide ring (11).

5. The automobile wheel hub forging heating furnace according to claim 4, characterized in that: The cross-section of the guide ring (11) when viewed from above is annular, and the guide ring (11), the placement platform (7) and the placement ring (9) are colinearly distributed about the central axis, the top of the guide ring (11) undulates in a wave-like manner, and the number of wave crests and troughs of the guide ring (11) is a multiple of four.

6. The automobile wheel hub forging heating furnace according to claim 1, characterized in that: The top of the heating furnace (2) is provided with an air guide mechanism, and the air guide mechanism comprises a heat collecting cover (21) installed on the outer edge of the top of the heating furnace (2), and a U-shaped conduit (22) is uniformly penetrated through the outer side of the heat collecting cover (21), the other end of the U-shaped conduit (22) penetrates into the interior of the heating tank (3), and an air outlet cover (23) is installed at one end of the U-shaped conduit (22) close to the heat collecting cover (21).

7. The automobile wheel hub forging heating furnace according to claim 6, characterized in that: The heat collecting hood (21) is in the shape of an inverted funnel, and the minimum inner diameter of the heat collecting hood (21) is matched with the inner diameter of the top opening of the heating furnace (2), and the inner diameter of the gas outlet hood (23) gradually increases from the outside to the inside.

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