Constant-temperature heating furnace for valve forgings

Abstract

The utility model discloses a constant temperature heating furnace for valve forgings, which relates to the technical field of heating furnaces and comprises a furnace body, a slide rail is fixedly arranged at the bottom end of the furnace body, a movable frame is arranged above the slide rail, pulleys corresponding to the slide rail are arranged at four corners of the lower surface of the movable frame, and a mounting frame is fixedly arranged at one end of the movable frame. According to the forging blank feeding and discharging device, the furnace body is arranged, the sliding rail is arranged at the bottom end of the furnace body, the movable frame capable of sliding is arranged above the sliding rail, the mounting frame is arranged at one end of the movable frame, the movable frame capable of sliding up and down is arranged on the outer side of the mounting frame, and the material fork is arranged at the bottom end of the movable frame; the forge piece blanks can be lifted and put down through the forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece forge piece.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a constant temperature heating furnace for valve forgings. Background Art

[0002] Forgings refer to workpieces or blanks obtained by forging and deforming metal blanks. By applying pressure to the metal blank to cause it to deform plastically, its mechanical properties can be changed. Forgings can be divided into cold forging, warm forging and hot forging according to the temperature of the blank during processing. Cold forging is generally processed at room temperature, and hot forging is processed at a temperature higher than the recrystallization temperature of the metal blank. In the prior art, a heating furnace is usually used to heat the forgings, and the forging blank is generally placed in an additional fixture during the process of placing it in and taking it out of the heating furnace, and the loading and unloading process is relatively cumbersome.

[0003] A forging heating furnace with publication number CN215587763U belongs to the technical field of heating furnaces and solves the technical problem that the heating furnace in the prior art cannot evenly heat various areas of the forging. The forging heating furnace is used to heat the sheet material, and includes a furnace body, a heating chamber is arranged in the furnace body, a heater for heating is arranged at the bottom of the heating chamber, and a round hole is opened on the side wall of the heating chamber; a rotating shaft is rotatably inserted in the round hole, and the rotating shaft has a first end and a second end, the first end extends into the heating chamber, and the second end extends out of the furnace body; a clamp for clamping the sheet material, the clamp is arranged at the first end of the rotating shaft; a rotating drive device is installed on the outer wall of the furnace body, and is used to drive the rotating shaft to rotate; a pointer is installed on the rotating shaft along the radial direction of the rotating shaft, and the pointer is located outside the furnace body. The heating furnace can heat various areas of the sheet material more evenly and is convenient for users to take and put the sheet material.

[0004] In practical applications, the above technical solution has the problem of complicated placement and removal of forging blanks, which is not conducive to efficient heating treatment of forgings.

[0005] Therefore, it is necessary to invent a constant temperature heating furnace for valve forgings to solve the above problems. Summary of the invention

[0006] The utility model aims to provide a constant temperature heating furnace for valve forgings to solve the problems raised in the above background technology.

[0007] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0008] Preferably, both ends of the movable plate are penetrated with sliding holes, the interior of the sliding holes is penetrated with sliding rods, and the sliding rods are fixedly arranged inside the mounting frame.

[0009] Preferably, a material rack is fixedly arranged at the inner bottom end of the furnace body, and the material rack and material forks are staggered.

[0010] Preferably, a plurality of heating tubes are fixedly arranged on the inner side wall of the furnace body, and the plurality of heating tubes are all arranged in a square structure.

[0011] Preferably, a door frame is fixedly provided on the outer side of the furnace body, and a movable baffle is provided inside the door frame.

[0012] Preferably, a winch is fixedly provided at the middle of the top end of the gantry, and the output end of the winch is connected to the top end of the movable baffle.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a furnace body, a slide rail is provided at the bottom of the furnace body, a slidable movable frame is provided above the slide rail, a mounting frame is provided at one end of the movable frame, a movable frame that can slide up and down is provided on the outside of the mounting frame, and a material fork is provided at the bottom of the movable frame. When loading and unloading forging blanks, the material fork can realize the lifting and lowering of the forging blanks, and the movable frame can drive the blanks to move horizontally, so as to realize efficient taking and placing of the blanks in the heating furnace;

[0015] 2. The utility model sets a furnace body, and a material rack is arranged inside the furnace body. The material rack can support the forging blank, and the material rack and the material fork are staggered. The material fork can be directly inserted into the material rack to facilitate the placement of the forging blank. By arranging multiple square-structured heating tubes inside the furnace body, the heating tubes can achieve surrounding heating of the forging blank to ensure the heating uniformity of the forging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the material fork structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the internal structure of the mounting frame of the utility model.

[0019] Figure 4 This is a schematic diagram of the furnace structure of the utility model.

[0020] In the figure: 1. furnace body; 2. slide rail; 3. movable frame; 4. pulley; 5. mounting frame; 6. slide groove; 7. slide rod; 8. movable frame; 9. material fork; 10. movable plate; 11. threaded groove; 12. adjusting screw; 13. adjusting motor; 14. slide hole; 15. sliding rod; 16. material rack; 17. heating tube; 18. door frame; 19. movable baffle; 20. winch. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] The utility model provides Figure 1-4 A constant temperature heating furnace for valve forgings shown in the figure comprises a furnace body 1, a slide rail 2 is fixedly arranged at the bottom end of the furnace body 1, a movable frame 3 is arranged above the slide rail 2, and pulleys 4 corresponding to the slide rail 2 are arranged at the four corners of the lower surface of the movable frame 3, and the movable frame 3 can be driven by manpower or an external traction mechanism;

[0023] Specifically, a mounting frame 5 is fixedly provided at one end of the movable frame 3, and two slide grooves 6 are provided on one side of the mounting frame 5 close to the furnace body 1. A slide rod 7 is provided inside the slide groove 6, and a movable frame 8 is fixedly provided at one end of the slide rod 7. The movable frame 8 is provided on the outside of the mounting frame 5, and a material fork 9 is fixedly provided at the bottom end of the outer side of the movable frame 8. The material fork 9 is used to lift the forging blank;

[0024] More specifically, a movable plate 10 is fixedly provided at the other end of the slide rod 7, and the movable plate 10 is arranged inside the mounting frame 5, a thread groove 11 is penetrated through the middle of the movable plate 10, an adjusting screw 12 is penetrated through the thread groove 11, and both ends of the adjusting screw 12 are respectively movably provided on the inner walls of both ends of the mounting frame 5 through bearings, an adjusting motor 13 is provided at the bottom end of the adjusting screw 12, and the adjusting motor 13 is fixedly provided at the top end of the mounting frame 5, and the adjusting motor 13 is used to drive the adjusting screw 12 to realize the driving of the material fork 9 to move up and down;

[0025] In addition, both ends of the movable plate 10 are penetrated with sliding holes 14, and the interior of the sliding holes 14 is penetrated with sliding rods 15, and the sliding rods 15 are fixedly arranged inside the mounting frame 5. The sliding rods 15 cooperate with the sliding holes 14 to improve the stability of the movement of the movable plate 10;

[0026] Moreover, a material rack 16 is fixedly provided at the inner bottom end of the furnace body 1, and the material rack 16 and the material fork 9 are staggered, a plurality of heating tubes 17 are fixedly provided on the inner wall of the furnace body 1, and the plurality of heating tubes 17 are all arranged in a square structure, a door frame 18 is fixedly provided on the outer side of the furnace body 1, a movable baffle 19 is provided inside the door frame 18, a winch 20 is fixedly provided in the middle of the top end of the door frame 18, and the output end of the winch 20 is connected to the top end of the movable baffle 19, the winch 20 is used to drive the movable baffle 19, and the movable baffle 19 is used to seal the furnace body 1.

[0027] Working principle of this utility model:

[0028] When the device is in use, when the forging blank is heated, the position of the movable frame 3 is first adjusted so that the movable frame 3 moves to one end of the slide rail 2. At this time, the forging blank is placed above the material fork 9. Then the position of the movable frame 3 is adjusted so that the movable frame 3 drives the mounting frame 5 to move, and the mounting frame 5 drives the movable frame 8 and the material fork 9 to move until the material fork 9 is inserted into the interior of the furnace body 1. At this time, the forging blank follows the material fork 9 into the furnace body 1 and is located above the material frame 16. At this time, the adjusting motor 13 drives the adjusting screw 12 to rotate, and the adjusting screw 12 is adjusted. The rod 12 cooperates with the thread groove 11 to make the movable plate 10 move downward, and the movable plate 10 drives the movable frame 8 to move downward through the slide rod 7, and the movable frame 8 drives the material fork 9 to move downward, so that the forging blank is placed on the material rack 16. At this time, the movable rack 3 is adjusted to make the material fork 9 move out of the furnace body 1, and the movable baffle 19 is controlled to descend by the winch 20 to complete the placement of the blank. At this time, the forging can be heated by the heating tube 17 in the furnace body 1. After the forging is heated, the above operation is repeated in reverse to complete the unloading of the forging.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A constant temperature heating furnace for valve forgings, comprising a furnace body (1), characterized in that: A slide rail (2) is fixedly provided at the bottom end of the furnace body (1), a movable frame (3) is provided above the slide rail (2), and pulleys (4) corresponding to the slide rail (2) are provided at four corners of the lower surface of the movable frame (3), a mounting frame (5) is fixedly provided at one end of the movable frame (3), two slide grooves (6) are provided on a side of the mounting frame (5) close to the furnace body (1), a slide rod (7) is provided inside the slide groove (6), a movable frame (8) is fixedly provided at one end of the slide rod (7), and the movable frame (8) is provided on the outer side of the mounting frame (5), and the movable frame (8) is provided on the outer side of the mounting frame (5). ) is fixedly provided with a material fork (9) at the outer bottom end thereof, a movable plate (10) is fixedly provided at the other end of the slide rod (7), and the movable plate (10) is arranged inside the mounting frame (5), a thread groove (11) is penetrated through the middle of the movable plate (10), an adjusting screw (12) is penetrated through the inside of the thread groove (11), and the two ends of the adjusting screw (12) are respectively movably arranged on the inner walls of the mounting frame (5) at both ends through bearings, and an adjusting motor (13) is provided at the bottom end of the adjusting screw (12), and the adjusting motor (13) is fixedly arranged at the top end of the mounting frame (5).

2. A constant temperature heating furnace for valve forgings according to claim 1, characterized in that: Both ends of the movable plate (10) are penetrated by sliding holes (14), the interior of the sliding hole (14) is penetrated by a sliding rod (15), and the sliding rod (15) is fixedly arranged inside the mounting frame (5).

3. A constant temperature heating furnace for valve forgings according to claim 2, characterized in that: A material rack (16) is fixedly arranged at the inner bottom end of the furnace body (1), and the material rack (16) and the material fork (9) are arranged in a staggered manner.

4. A constant temperature heating furnace for valve forgings according to claim 3, characterized in that: A plurality of heating tubes (17) are fixedly arranged on the inner side wall of the furnace body (1), and the plurality of heating tubes (17) are all arranged in a square structure.

5. A constant temperature heating furnace for valve forgings according to claim 4, characterized in that: A door frame (18) is fixedly arranged on the outside of the furnace body (1), and a movable baffle (19) is arranged inside the door frame (18).

6. A constant temperature heating furnace for valve forgings according to claim 5, characterized in that: A winch (20) is fixedly arranged at the middle of the top end of the door frame (18), and the output end of the winch (20) is connected to the top end of the movable baffle (19).

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