Feeding trolley for intermediate frequency furnace

Abstract

The utility model relates to the technical field of intermediate frequency furnaces, in particular to an intermediate frequency furnace charging trolley which comprises a guide rail assembly and a supporting frame, a driving assembly is arranged on the supporting frame, a driving wheel assembly and a driven wheel assembly are arranged at the bottom of the supporting frame, and a compartment is arranged at the top of the supporting frame. An arc-shaped notch is formed in the end part of the front end of a bottom plate of the carriage; a lifting mechanism is arranged on the supporting frame and comprises a lifting frame and a lifting hydraulic cylinder, the lifting frame is fixedly arranged on the supporting frame, the lifting hydraulic cylinder is arranged in the center of the lifting frame, and the end of a piston rod of the lifting hydraulic cylinder is connected with a guide frame; a pushing hydraulic cylinder is horizontally arranged in the middle of the guide frame, the end of a piston rod of the pushing hydraulic cylinder is connected with a pushing plate, and the pushing plate corresponds to the carriage. According to the feeding device, feeding can be conveniently carried out in the intermediate frequency furnace, metal materials can be rapidly fed into the intermediate frequency furnace, the production efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medium frequency furnaces, in particular to a charging vehicle for a medium frequency furnace. Background Art

[0002] Medium frequency furnace is an industrial heating equipment, mainly used for heating treatment, melting and smelting of metal materials. Medium frequency furnace is powered by medium frequency power supply, generates high frequency alternating current, converts electrical energy into thermal energy through induction heating principle, and heats metal materials to the required temperature quickly. Medium frequency furnace is the main equipment of casting, forging and heat treatment workshop. Medium frequency furnace has high working stability, reliability and safety, and has the advantages of high thermal efficiency, short smelting time, wide smelting material, low environmental pollution, and can accurately control the temperature and composition of molten metal.

[0003] When the existing technology uses a medium frequency furnace to smelt metal materials, it is necessary to feed materials into the medium frequency furnace during its operation. Usually, materials are fed into the medium frequency furnace manually or by a suction cup of a crane, which is time-consuming and labor-intensive and affects production efficiency. In addition, when feeding materials into the medium frequency furnace manually, workers are required to stand at the entrance of the medium frequency furnace and use a shovel to shovel materials into the medium frequency furnace, which poses a safety hazard and increases the labor intensity of the workers. Summary of the invention

[0004] The utility model provides a charging trolley for a medium frequency furnace to solve the problems in the prior art that it is inconvenient to feed materials into a medium frequency furnace and the feeding is time-consuming and laborious. The charging trolley is used to facilitate feeding materials into the medium frequency furnace and metal materials can be quickly fed into the medium frequency furnace, thereby improving production efficiency and reducing the labor intensity of staff.

[0005] In order to achieve the above purpose, the technical solution of the utility model is: a medium frequency furnace charging car, including a guide rail assembly and a support frame, a driving assembly is arranged on the support frame, a driving wheel assembly and a driven wheel assembly are arranged at the bottom of the support frame, a carriage is arranged on the top of the support frame, and an arc-shaped notch is opened at the front end of the bottom plate of the carriage. Under the action of the driving assembly, the support frame can move forward and backward on the guide rail assembly through the driving wheel assembly and the driven wheel assembly, and the carriage is used to store metal materials.

[0006] The support frame is provided with a lifting mechanism, which includes a lifting frame and a lifting hydraulic cylinder. The lifting frame is fixedly arranged on the support frame, the lifting hydraulic cylinder is arranged at the center position of the lifting frame, the piston rod end of the lifting hydraulic cylinder is connected to the guide frame, and the lifting hydraulic cylinder is used to drive the guide frame to perform lifting movement.

[0007] A pushing hydraulic cylinder is horizontally arranged in the middle of the guide frame, and a pushing plate is connected to the end of the piston rod of the pushing hydraulic cylinder. The pushing plate corresponds to the carriage. The pushing hydraulic cylinder can drive the pushing plate to move forward and backward in the carriage, and the pushing plate is used to push out the metal material in the carriage.

[0008] Furthermore, there are two guide rail assemblies, and the guide rail assembly includes a guide rail pad and a guide rail. The guide rail is fixedly arranged on the top of the guide rail pad. The guide rail supports the support frame and facilitates the forward and backward movement of the support frame.

[0009] Furthermore, the driving wheel assembly includes a seat bearing, a driving shaft, a flat wheel and a groove wheel. A plurality of the seat bearings are arranged at the bottom of the support frame. The driving shaft has an interference fit with the inner ring of the seat bearing. The flat wheel and the groove wheel are respectively arranged at both ends of the driving shaft. The flat wheel and the groove wheel are respectively located at the top of the two guide rails. A driving sprocket is also fixedly sleeved on the driving shaft. The groove wheel can prevent the feeding cart from leaving the guide rail.

[0010] Furthermore, the driving assembly includes a hydraulic motor, a driving sprocket and a chain. The hydraulic motor is fixedly arranged on the support frame, the driving sprocket is arranged at the output end of the hydraulic motor, and the chain is sleeved on the driving sprocket and the driving sprocket. Through the cooperation of the chain, the driving sprocket and the driving sprocket, the hydraulic motor can drive the driving shaft to rotate, so that the groove wheel 1 and the flat wheel 1 move on the guide rail, so as to achieve the effect of moving the support frame forward and backward.

[0011] Furthermore, there are two driven wheel assemblies, each of which includes a passive shaft and two seat bearings. The seat bearings are arranged at the bottom of the support frame, and the passive shaft is arranged between the two seat bearings. A groove wheel is fixedly provided on the passive shaft of one of the driven wheel assemblies, and a flat wheel is fixedly provided on the passive shaft of the other driven wheel assembly. The groove wheel can prevent the feeding cart from leaving the guide rail.

[0012] Furthermore, a material guide platform is provided at the front end of the support frame, and a compartment door is provided at the front end of the compartment. The material guide platform guides the metal material pushed out of the compartment to facilitate the metal material to enter the medium frequency furnace.

[0013] Furthermore, the lifting mechanism also includes a guide assembly, which includes a guide sleeve 2 and a guide column. The guide sleeve 2 is fixedly arranged on the lifting frame, and the guide column is slidably sleeved in the guide sleeve 2. The upper end of the guide column is connected to the guide frame, and the guide column plays a guiding role in the lifting movement of the lifting frame.

[0014] Furthermore, a plurality of guide sleeves are arranged on the guide frame, a guide rod is arranged in the sliding sleeve inside the guide sleeve, one end of the guide rod is connected to the push plate, and the guide rod guides the movement of the push plate.

[0015] Furthermore, a plurality of channel steels are evenly distributed on the upper parts of both sides of the inner wall of the carriage, and guide wheel assemblies are arranged on the tops of both ends of the push plate, the guide wheel assemblies include a guide wheel seat and a guide wheel, the guide wheel seat is fixedly arranged on the top of the push plate, a guide wheel shaft is fixedly arranged on the guide wheel seat, and the guide wheel is rotatably sleeved on the guide wheel shaft, the guide wheel guides the movement of the push plate, and at the same time, under the action of the channel steel, it also limits the push plate.

[0016] Through the above technical solution, the beneficial effects of the utility model are:

[0017] The utility model has a reasonable structure and good use effect, replaces the method of manually feeding materials into the medium frequency furnace, is convenient for feeding into the medium frequency furnace, and can quickly feed metal materials into the medium frequency furnace, thereby improving production efficiency, reducing the labor intensity of staff and having high safety.

[0018] The utility model drives the driving shaft of the driving wheel assembly to rotate through the driving assembly, so that the groove wheel and the flat wheel move on the guide rail, and under the action of the driven wheel assembly, the support frame moves forward and backward. When the metal material is loaded in the carriage, the effect of facilitating the movement of the carriage to the intermediate frequency furnace is achieved.

[0019] The utility model drives the push plate to move forward and backward in the carriage by the push hydraulic cylinder, so that the push plate pushes the metal material in the carriage into the medium frequency furnace, wherein the arc-shaped notch facilitates the metal material to fall from the carriage onto the material guide table, and the material guide table guides the metal material pushed out of the carriage, so that the metal material can enter the medium frequency furnace.

[0020] The lifting hydraulic cylinder of the utility model is used to drive the guide frame to perform lifting movement. The guide frame synchronously drives the pushing hydraulic cylinder, the pushing plate and the guide rod to perform lifting movement, so as to achieve the effect of adjusting the height of the pushing plate. When the metal material is placed in the carriage on the pallet, the height of the pushing plate can be adjusted so that the pushing plate can push the metal material. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a medium frequency furnace charging car of the utility model. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the structure of a medium frequency furnace charging car of the utility model. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the structure of a medium frequency furnace charging car of the utility model. Figure 3 ;

[0024] Figure 4 yes Figure 1 Schematic diagram of the cross-sectional structure at AA in the middle;

[0025] Figure 5 yes Figure 1 Schematic diagram of the cross-sectional structure at BB in the middle.

[0026] The numbers in the accompanying drawings are: 1 is a guide rail pad, 2 is a guide rail, 3 is a support frame, 301 is a material guide table, 4 is an arc-shaped notch, 5 is a carriage, 6 is a carriage door, 7 is a push plate, 8 is a guide frame, 9 is a material pusher hydraulic cylinder, 10 is a guide sleeve 1, 11 is a guide rod, 12 is a guide wheel seat, 13 is a guide wheel shaft, 14 is a guide wheel, 15 is a channel steel, 16 is a lifting frame, 17 is a lifting hydraulic cylinder, 18 is a guide sleeve 2, 19 is a guide column, 20 is a hydraulic motor, 21 is a driving sprocket, 22 is a bearing with a seat 1, 23 is an active shaft, 24 is a driving sprocket, 25 is a flat wheel 1, 26 is a groove wheel 1, 27 is a bearing with a seat 2, 28 is a driven shaft, 29 is a groove wheel 2, and 30 is a flat wheel 2. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0028] like Figure 1 to Figure 5 As shown, a charging vehicle for an intermediate frequency furnace includes a guide rail assembly and a support frame 3, a driving assembly is arranged on the support frame 3, a driving wheel assembly and a driven wheel assembly are arranged at the bottom of the support frame 3, a carriage 5 is arranged on the top of the support frame 3, and an arc-shaped notch 4 is opened at the front end of the bottom plate of the carriage 5. In this embodiment, the driving wheel assembly and the driven assembly are arranged at intervals at the bottom of the support frame 3, the driving wheel assembly can be driven to move by the driving assembly, and under the action of the driven wheel assembly, the support frame 3 moves forward and backward on the guide rail assembly, the carriage 5 is fixedly installed at the front end of the support frame 3, the carriage 5 is a structure with a hollow interior and openings at both ends and the top, the carriage 5 is used to store metal materials to be put into the intermediate frequency furnace, and the arc-shaped notch 4 facilitates the removal of metal materials from the carriage 5.

[0029] The support frame 3 is provided with a lifting mechanism, which includes a lifting frame 16 and a lifting hydraulic cylinder 17. The lifting frame 16 is fixedly provided on the support frame 3, and the lifting hydraulic cylinder 17 is provided at the center of the lifting frame 16. The end of the piston rod of the lifting hydraulic cylinder 17 is connected to the guide frame 8. In this embodiment, the lifting hydraulic cylinder 17 is bolted to the lifting frame 16, and the piston rod of the lifting hydraulic cylinder 17 can drive the guide frame 8 to perform lifting and lowering movements, thereby achieving the effect of adjusting the height of the pusher hydraulic cylinder 9, the guide rod 11 and the push plate 7.

[0030] A pushing hydraulic cylinder 9 is horizontally arranged in the middle of the guide frame 8, and the end of the piston rod of the pushing hydraulic cylinder 9 is connected to a pushing plate 7, and the pushing plate 7 corresponds to the carriage 5. When the pushing hydraulic cylinder 9 is opened, the piston rod of the pushing hydraulic cylinder 9 extends, which can drive the pushing plate 7 to move forward and push the metal material, thereby achieving the purpose of the pushing plate 7 pushing the metal material out of the carriage 5.

[0031] There are two guide rail assemblies, which include a guide rail pad 1 and a guide rail 2. The guide rail 2 is fixedly arranged on the top of the guide rail pad 1. In this embodiment, the guide rail pad 1 is fixed to the ground by expansion bolts.

[0032] The driving wheel assembly includes a seat bearing 22, a driving shaft 23, a flat wheel 25 and a groove wheel 26. A plurality of seat bearings 22 are arranged at the bottom of the support frame 3. The driving shaft 23 is interference fit with the inner ring of the seat bearing 22. The flat wheel 25 and the groove wheel 26 are arranged at both ends of the driving shaft 23, respectively. The flat wheel 25 and the groove wheel 26 are respectively located at the top of the two guide rails 2. A driving sprocket 24 is also fixedly sleeved on the driving shaft 23. In this embodiment, two groups of seat bearings 22 are installed on the driving shaft 23, each group includes two seat bearings 22, and the main wheel sprocket 24 is located on the inner side of the flat wheel 25.

[0033] The driving assembly includes a hydraulic motor 20, a driving sprocket 21 and a chain. The hydraulic motor 20 is fixedly arranged on the support frame 3. The output end of the hydraulic motor 20 is provided with the driving sprocket 21. The chain is sleeved on the driving sprocket 21 and the driving sprocket 24. In this embodiment, a pump station is also fixedly installed on the support frame 3. The pump station provides power for the hydraulic motor 20. The output end of the hydraulic motor 20 drives the driving sprocket 21 to rotate. The driving sprocket 21 drives the driving sprocket 24 to rotate through the chain. The driving sprocket 24 drives the driving shaft 23 to rotate. The driving shaft 23 drives the groove wheel 26 and the flat wheel 25 to move on the two guide rails 2 respectively.

[0034] There are two driven wheel assemblies, and the driven wheel assemblies include a passive shaft 28 and two seat bearings 27. The seat bearings 27 are arranged at the bottom of the support frame 3, and the passive shaft 28 is arranged between the two seat bearings 27. A groove wheel 29 is fixedly sleeved on the passive shaft 28 of one of the driven wheel assemblies, and a flat wheel 2 30 is fixedly sleeved on the passive shaft 28 of the other driven wheel assembly. In this embodiment, the passive shaft 28 is interference-fitted with the inner ring of the seat bearing 17, and the groove wheel 29 and the flat wheel 30 are respectively located at the top of the two guide rails 2. During the movement of the driving wheel assembly, the groove wheel 29 and the flat wheel 30 move on the two guide rails 2, respectively, so as to achieve the effect of the support frame 3 moving forward and backward.

[0035] The front end of the support frame 3 is provided with a material guide platform 301, and the front end of the carriage 5 is provided with a door 6. In this embodiment, the surface of the material guide platform 301 is a downwardly inclined surface, which guides the metal material pushed out of the carriage 5 so that the metal material enters the intermediate frequency furnace through the feed port of the intermediate frequency furnace.

[0036] The lifting mechanism further includes a guide assembly, which includes a second guide sleeve 18 and a guide column 19. The second guide sleeve 18 is fixedly arranged on the lifting frame 16, and the guide column 19 is slidably sleeved in the second guide sleeve 18. The upper end of the guide column 19 is connected to the guide frame 8. In this embodiment, there are four guide assemblies, which are distributed in a square shape on the lifting frame 16. The guide column 19 guides the movement of the guide frame 8. When the lifting hydraulic cylinder 17 drives the guide frame 8 to perform lifting movement, the guide column 19 moves with the guide frame 8, and the guide column 19 slides in the second guide sleeve 18.

[0037] The guide frame 8 is provided with a plurality of guide sleeves 10, and a guide rod 11 is provided in a sliding sleeve inside the guide sleeve 10, and one end of the guide rod 11 is connected to the push plate 7. In this embodiment, the number of the guide sleeves 10 and the guide rod 11 is four, and the four guide sleeves 10 are distributed in a square shape on the guide frame 8. A push head corresponding to the guide rod 11 is installed on one side of the push plate 7, and the guide rod 11 is connected to the push head. When the piston rod of the push hydraulic cylinder 9 drives the push plate 7 to move in the carriage 5 to push the metal material, the guide rod 11 moves with the push plate 7, and the guide rod 11 slides in the guide sleeve 10.

[0038] A plurality of channel steels 15 are evenly arranged on the upper part of both sides of the inner wall of the carriage 5, and a guide wheel assembly is arranged on the top of both ends of the push plate 7, and the guide wheel assembly includes a guide wheel seat 12 and a guide wheel 14, and the guide wheel seat 12 is fixedly arranged on the top of the push plate 7, and a guide wheel shaft 13 is fixedly arranged on the guide wheel seat 12, and the guide wheel 14 is rotatably sleeved on the guide wheel shaft 13. In this embodiment, the guide wheel 14 is rotatably connected with the guide wheel shaft 13 through a copper sleeve, and when the push plate 7 pushes the metal material in the carriage 5, the guide wheel 14 moves in the channel steel 15, wherein when the height of the push plate 7 is adjusted, the piston rod of the push hydraulic cylinder 9 is retracted, and the push plate 7 is located at the rear end of the carriage 5, and at this time, the guide wheel 14 is located outside the channel steel 15, and the channel steel 15 will not interfere with the guide wheel 14.

[0039] The working principle of the utility model is as follows: first, the metal material is lifted to the interior of the carriage 5 by a crane, and attention is paid to whether the metal material is placed on a pallet in the carriage 5. When the metal material is placed on a pallet in the carriage 5, the lifting hydraulic cylinder 17 is opened, and the piston rod of the lifting hydraulic cylinder 17 is extended, and drives the guide frame 8 to move upward, and the guide column 19 moves upward with the guide frame 8. The guide column 19 slides upward in the guide sleeve 18, and the guide frame 8 drives the pushing hydraulic cylinder 9, the guide rod 11 and the push plate 7 to move upward. When the bottom height of the push plate 7 is higher than the height of the pallet, the lifting hydraulic cylinder 17 is closed.

[0040] Then turn on the hydraulic motor 20, the output end of the hydraulic motor 20 drives the driving sprocket 21 to rotate, the driving sprocket 21 drives the active sprocket 24 to rotate through the chain, the active sprocket 24 drives the active shaft 23 to rotate, the active shaft 23 drives the groove wheel 1 26 and the flat wheel 1 25 to move on the two guide rails 2 respectively, and the groove wheel 2 29 and the flat wheel 2 30 to move on the two guide rails 2 respectively, so that the support frame 3 drives the carriage 5 to move toward the intermediate frequency furnace. When the carriage 5 arrives at the intermediate frequency furnace and the guide table 301 corresponds to the feed port of the intermediate frequency furnace, turn off the hydraulic motor 20; then turn on the hydraulic motor 20; The push hydraulic cylinder 9 is opened, and the piston rod of the push hydraulic cylinder 9 extends out, and drives the push plate 7 to move forward to push the metal material. The guide wheel 14 moves in the channel steel 15, and the metal material falls from the arc notch 4 to the guide platform 301, and then the metal material slides down on the guide platform 301, and enters the intermediate frequency furnace through the intermediate frequency furnace feed port. When the push plate 7 moves to the front end of the carriage 5 and the metal material in the carriage 5 is completely pushed out, the piston rod of the push hydraulic cylinder 9 retracts and drives the push plate 7 to return to the initial position, and then the charging car is restored to the initial position to complete the charging work. After that, the metal material can be placed in the carriage 5 again, and the above operation is repeated to complete the charging work.

[0041] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A medium frequency furnace charging vehicle, comprising a guide rail assembly and a support frame (3), characterized in that: The support frame (3) is provided with a driving assembly, the bottom of the support frame (3) is provided with a driving wheel assembly and a driven wheel assembly, the top of the support frame (3) is provided with a carriage (5), and the front end of the bottom plate of the carriage (5) is provided with an arc-shaped notch (4); The support frame (3) is provided with a lifting mechanism, the lifting mechanism comprising a lifting frame (16) and a lifting hydraulic cylinder (17), the lifting frame (16) is fixedly arranged on the support frame (3), the lifting hydraulic cylinder (17) is arranged at the center position of the lifting frame (16), and the end of the piston rod of the lifting hydraulic cylinder (17) is connected to the guide frame (8); A material pushing hydraulic cylinder (9) is horizontally arranged in the middle of the guide frame (8), and a push plate (7) is connected to the end of the piston rod of the material pushing hydraulic cylinder (9), and the push plate (7) corresponds to the carriage (5).

2. The medium frequency furnace charging vehicle according to claim 1, characterized in that: The number of the guide rail assemblies is two, and the guide rail assemblies comprise a guide rail pad (1) and a guide rail (2), wherein the guide rail (2) is fixedly arranged on the top of the guide rail pad (1).

3. A medium frequency furnace charging vehicle according to claim 2, characterized in that: The driving wheel assembly comprises a seat bearing (22), a driving shaft (23), a flat wheel (25) and a groove wheel (26); a plurality of seat bearings (22) are arranged at the bottom of the support frame (3); the driving shaft (23) is interference fit with the inner ring of the seat bearing (22); the flat wheel (25) and the groove wheel (26) are respectively arranged at two ends of the driving shaft (23); the flat wheel (25) and the groove wheel (26) are respectively located at the top of the two guide rails (2); and a driving sprocket (24) is also fixedly sleeved on the driving shaft (23).

4. The intermediate frequency furnace charging vehicle according to claim 3, characterized in that: The driving assembly comprises a hydraulic motor (20), a driving sprocket (21) and a chain; the hydraulic motor (20) is fixedly arranged on a support frame (3); the driving sprocket (21) is arranged at the output end of the hydraulic motor (20); and the chain is sleeved on the driving sprocket (21) and the driving sprocket (24).

5. The medium frequency furnace charging vehicle according to claim 1, characterized in that: The number of the driven wheel assemblies is two, and the driven wheel assemblies include a driven shaft (28) and two seat bearings (27). The seat bearings (27) are arranged at the bottom of the support frame (3), and the driven shaft (28) is arranged between the two seat bearings (27). A grooved wheel (29) is fixedly sleeved on the driven shaft (28) of one of the driven wheel assemblies, and a flat wheel (30) is fixedly sleeved on the driven shaft (28) of the other driven wheel assembly.

6. The intermediate frequency furnace charging vehicle according to claim 1, characterized in that: A material guide platform (301) is provided at the front end of the support frame (3), and a compartment door (6) is provided at the front end of the compartment (5).

7. The medium frequency furnace charging vehicle according to claim 1, characterized in that: The lifting mechanism further comprises a guide assembly, the guide assembly comprising a second guide sleeve (18) and a guide column (19), the second guide sleeve (18) being fixedly arranged on the lifting frame (16), the guide column (19) being slidably sleeved in the second guide sleeve (18), and the upper end of the guide column (19) being connected to the guide frame (8).

8. The medium frequency furnace charging vehicle according to claim 1, characterized in that: A plurality of guide sleeves (10) are arranged on the guide frame (8), a guide rod (11) is provided in a sliding sleeve inside the guide sleeve (10), and one end of the guide rod (11) is connected to the push plate (7).

9. The medium frequency furnace charging vehicle according to claim 1, characterized in that: A plurality of channel steels (15) are evenly arranged at the upper part of both sides of the inner wall of the carriage (5), and a guide wheel assembly is arranged at the top of both ends of the push plate (7), the guide wheel assembly comprises a guide wheel seat (12) and a guide wheel (14), the guide wheel seat (12) is fixedly arranged on the top of the push plate (7), a guide wheel shaft (13) is fixedly arranged on the guide wheel seat (12), and the guide wheel (14) is rotatably sleeved on the guide wheel shaft (13).

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