CN216550580U - High pressure special mold steel vacuum heat treatment device - Google Patents

Abstract

The utility model discloses a vacuum heat treatment device for high-pressure special mold steel, and in particular relates to the technical field of mold steel production. The sealing effect of the sealing door of the vacuum heat treatment device is not very good, which affects the thermal processing. For the heavy sealing door, it is very laborious to close and open manually, including the heat treatment box, and there is a sealing door on one side of the opening of the heat treatment box. , the sealing door can cover the opening of the heat treatment box, the rotating screw arranged in the fixed block can be driven by the worm gear, the worm, the first rotating shaft and the first motor to rotate, and the moving block inserted in the thread on the screw can drive the pendulum connected to it. Place the plate to move, and move the die steel placed in the placement plate after heat treatment to the outside of the heat treatment box for picking, so as to avoid unnecessary accidents when taking it in the heat treatment box.

Description

High pressure special mold steel vacuum heat treatment device

technical field

The utility model relates to the technical field of die steel production, in particular to a vacuum heat treatment device for high-pressure special die steel.

Background technique

With the development of society, industrial production has also developed rapidly. In the process of industrial production and manufacturing, die steel is often used. Die steel is used to manufacture cold stamping dies, hot forging dies, die casting dies and other steel types; The quality of the mold directly affects the quality of the pressure processing process, the precision output of the product and the production cost, and the quality and service life of the mold are mainly affected by the mold material and heat treatment in addition to reasonable structural design and machining accuracy.

The vacuum heat treatment device in the prior art has the following problems:

1. When the placing plate in the vacuum heat treatment device takes the mold steel after the heat treatment, it will cause danger when it is taken manually;

2. The sealing effect of the sealing door of the vacuum heat treatment device in the prior art is not very good, which affects the thermal processing. At the same time, it is very laborious to manually close and open the heavy sealing door.

For this reason, we propose a vacuum heat treatment device for high-pressure special die steel to solve the above problems.

Utility model content

The purpose of this utility model is to provide a high pressure special mold steel vacuum heat treatment device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high-pressure special mold steel vacuum heat treatment device, including a heat treatment box, and a sealing door is movably provided on one side of the opening of the heat treatment box, and the sealing door can cover the opening of the heat treatment box, Two symmetrically distributed bottom plates are fixed on the bottom of the inner wall of the heat treatment box, and vertical plates are fixed on the bottom plates;

There are three first chutes that are equally spaced on the opposite sides of the two vertical plates, and a placing plate is slidably inserted between the first chutes formed on the two vertical plates, and the placing plates swing inside. Putting die steel, one of the fixing blocks on the side away from the placing plate is fixed with a fixing block, the fixing block is parallel to the first chute, and a screw is rotated and inserted in the fixing block, and the screw thread is inserted into the screw. A moving block is provided, one end of the moving block away from the screw rod is fixedly connected to the connected placing plate, and one end of the screw rod penetrates the fixed block and is fixed with a worm wheel, the worm wheel is engaged with a worm, and the upper end of the worm is fixed with a worm wheel. There is a first rotating shaft, one end of the first rotating shaft away from the worm penetrates the heat treatment box, a first motor is arranged on the side of the upper end of the heat treatment box close to the first rotating shaft, and the output end of the first motor is fixedly connected to the first rotating shaft.

As a preferred technical solution of the present invention, two symmetrically distributed connecting blocks are fixedly arranged on one side of the three placing plates away from the opening of the heat treatment box, and the three connecting blocks are fixed together by connecting plates.

As a preferred technical solution of the present invention, both the vertical plate and the placing plate are provided with ventilation holes distributed in a matrix.

As a preferred technical solution of the present invention, a support plate is fixed on one side of the outer wall of the heat treatment box, an air pump is arranged on the support plate, and three symmetrically distributed air suction pipes are arranged through the upper end of the air pump. One end of the air extraction pipe away from the air pump is inserted through the heat treatment box, and a heating pipe is fixed on the side of the inner wall of the heat treatment box away from the bottom plate.

As a preferred technical solution of the present invention, two symmetrically distributed mounting blocks are fixedly arranged on the side of the heat treatment box away from the air pump, and a first rotating shaft is rotated between the two mounting blocks, and the heat treatment box is close to the air pump. A second motor is arranged on one side of the mounting block, the output end of the second motor is fixedly connected to the second rotating shaft, and an L-shaped movable plate is fixed on the second rotating shaft, and the movable plate is away from the second rotating shaft. The side is fixedly attached to the sealing door.

As a preferred technical solution of the present invention, a sealing sleeve is provided on the movable sleeve on the sealing door, a sealing sleeve is provided between the inner side of the sealing sleeve and the sealing door, and a mounting plate is fixed on the upper surface of the movable plate. An adjusting bolt is rotatably inserted at the upper end of the mounting plate, and one end of the adjusting bolt away from the mounting plate is fixedly arranged on the fixing sleeve through a bearing.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The screw that is rotatably arranged in the fixed block designed by the present invention can be driven to rotate by the worm wheel, the worm, the first rotating shaft and the first motor. One of the connected placing plates can be moved, and the die steel placed in the placing plate after heat treatment can be moved to the outside of the heat treatment box for taking, so as to avoid unnecessary accidents when taking it in the heat treatment box;

2. The second motor and the second rotating shaft of the practical design can drive the movable plate to rotate, and one end of the movable plate is fixedly connected to the sealing door. When the sealing door needs to be closed or opened, it can be opened by starting the second motor, and the lowering Staff labor, the fixed sleeve movably inserted on the sealing door is provided with a sealing sleeve. By rotating the adjusting bolt, the fixing sleeve can be pushed to move to the gap between the sealing door and the interface of the heat treatment box, and the gap is closed by the sealing sleeve, so that the Its sealing efficiency is improved and the effect of heat treatment is increased.

Description of drawings

Fig. 1 is the overall closed structure schematic diagram of the utility model,

Fig. 2 is the overall open structure schematic diagram of the utility model,

3 is a schematic diagram of the structure of the base plate of the present utility model,

FIG. 4 is a schematic view of the enlarged structure of the A part of the present invention.

In the figure: 1, heat treatment box; 11, heating pipe; 12, support plate; 13, air pump; 14, air extraction pipe; 2, bottom plate; 22, vertical plate; 23, first chute; 25, screw; 26, moving block; 27, fixed block; 28, worm gear; 29, worm; 30, first shaft; 31, first motor; 32, connecting block; 33, connecting plate; 34, vent hole; 4 41, installation block; 42, second shaft; 43, second motor; 44, movable plate; 45, fixed sleeve; 46, sealing sleeve; 47, installation plate; 48, adjusting bolt.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment: As shown in Figures 1-4, the present utility model provides a vacuum heat treatment device for high-pressure special die steel, including a heat treatment box 1, and a support plate 12 is fixed on one side of the outer wall of the heat treatment box 1, and the support plate 12 is provided with a support plate 12. The air pump 13, the upper end of the air pump 13 is provided with three symmetrically distributed air extraction pipes 14, and one end of the air extraction pipe 14 away from the air pump 13 is inserted through the heat treatment box 1, and the sealed heat treatment box 1 can be changed by the air pump 13. In the low-pressure vacuum state, a heating tube 11 is fixed on the inner wall of the heat treatment box 1 away from the bottom plate 2, which is convenient for heat treatment. A sealing door 4 is movably provided on one side of the opening of the heat treatment box 1, and the sealing door 4 can cover the opening of the heat treatment box 1. Two symmetrically distributed bottom plates 2 are fixedly arranged at the bottom of the inner wall of the heat treatment box 1, and vertical plates 22 are fixed on the bottom plates 2;

The opposite sides of the two vertical plates 22 are provided with three first chutes 23 equidistantly distributed, and the two vertical plates 22 are provided with the first sliding grooves 23 to slide and insert a placing plate 24, and the placing plate 24 swings inside. Putting die steel, one of the vertical plates 22 is fixed with a fixing block 27 on the side away from the placing plate 24, the fixing block 27 is parallel to the first chute 23, and a screw 25 is inserted in the fixing block 27 to rotate. The screw 25 A moving block 26 is inserted into the upper thread, and one end of the moving block 26 away from the screw 25 is fixedly connected to the connected placing plate 24. The upper end of the worm 29 is fixedly provided with a first rotating shaft 30, and one end of the first rotating shaft 30 away from the worm 29 penetrates the heat treatment box 1, and the upper end of the heat treatment box 1 is provided with a first motor 31 on the side close to the first rotating shaft 30, and the output end of the first motor 31 is fixed Connected to the first rotating shaft 30, the first motor 31 drives the meshed worm wheel 28 and the worm 29 to rotate, and drives the screw 25 to rotate, so that the moving block 26 threaded on the screw 25 is connected to a placing plate connected to it. 24 is moved, so that the three placing plates 24 can be moved out of the heat treatment box 1 to take the die steel, so as to avoid unnecessary accidents when taking them in the heat treatment box 1 .

Further, two symmetrically distributed connecting blocks 32 are fixed on one side of the three placing plates 24 away from the opening of the heat treatment box 1, and the three connecting blocks 32 are fixed together by the connecting plates 33. When one placing plate 24 moves, , which can drive the other two movements to increase the practicability of the placing board 24 .

Further, the vertical plate 22 and the placing plate 24 are both provided with ventilation holes 34 distributed in a matrix, so that the mold steel in the placing plate 24 is heated more effectively.

Further, the heat treatment box 1 is fixedly provided with two symmetrically distributed mounting blocks 41 on the side away from the air pump 13 , the first rotating shaft 30 is rotated between the two mounting blocks 41 , and the heat treatment box 1 is provided with a first rotating shaft 30 on the side close to the mounting block 41 . Two motors 43, the output end of the second motor 43 is fixedly connected to the second rotating shaft 42, the second rotating shaft 42 is fixedly provided with an L-shaped movable plate 44, and the movable plate 44 is fixedly connected to the sealing door on the side away from the second rotating shaft 42 4, the second motor 43 drives the second rotating shaft 42 and the movable plate 44 fixedly arranged with the second rotating shaft 42 to rotate, and the movable plate 44 drives the sealing door 4 to move toward the opening of the heat treatment box 1 until it is covered, reducing the labor force of the staff. , the movable sleeve on the sealing door 4 is provided with a sealing sleeve 46, the inner side of the sealing sleeve 46 and the sealing door 4 are provided with a sealing sleeve 46, the upper surface of the movable plate 44 is fixedly provided with a mounting plate 47, and the upper end of the mounting plate 47 is rotated and inserted with an adjustment Bolt 48, one end of the adjusting bolt 48 away from the mounting plate 47 is fixed on the fixing sleeve 45 through a bearing, and rotating the adjusting bolt 48 can push the fixing sleeve 45 to move to the gap between the sealing door 4 and the heat treatment box 1, and pass through the inner side of the fixing sleeve 45. The sealing sleeve 46 closes the gap to improve the sealing efficiency and increase the effect of heat treatment.

Working principle: When the utility model is in use, the first motor 31 can be started first, and the first motor 31 drives the first rotating shaft 30 to rotate, so that the worm 29 fixedly arranged at the end of the first rotating shaft 30 and the worm gear 28 meshed with the worm 29 are engaged. Rotation, so that the screw 25 in the fixed block 27 rotates, when the screw 25 rotates, the moving block 26 inserted in the thread on the screw 25 can drive a placing plate 24 connected to it to move, and the three placing plates The 24 is connected by the connecting plate 33 and the connecting block 32, so that the three placing plates 24 can be moved out of the heat treatment box 1, the mold steel to be heat treated is placed in the placing plate 24, and then the first motor is started in reverse. 31. Move the placing plate 24 into the heat treatment box 1, then start the second motor 43, the second motor 43 drives the second rotating shaft 42 and the movable plate 44 fixedly arranged with the second rotating shaft 42 to rotate, and the movable plate 44 drives the seal The door 4 moves toward the opening of the heat treatment box 1 until it is covered, which reduces the labor force of the staff. Turning the adjusting bolt 48 can push the fixing sleeve 45 to move to the gap between the interface between the sealing door 4 and the heat treatment box 1, and pass the seal inside the fixing sleeve 45. The sleeve 46 seals the gap to improve the sealing efficiency and increase the effect of heat treatment. Start the air pump 13 to extract the air in the heat treatment box 1 through the air extraction pipe 14, so that the heat treatment box 1 becomes a low-pressure vacuum state, and then passes through The heating tube 11 is heat treated. After the heat treatment is completed and the temperature is lowered, the second motor 43 will be activated to open the sealing door 4, and the placing plate 24 will be moved out of the heat treatment box 1 by the first motor 31 again, and the die steel will be taken out. Avoid unnecessary accidents when taking in the heat treatment box 1 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. High pressure-bearing special die steel vacuum heat treatment device, including heat treatment case (1), its characterized in that: a sealing door (4) is movably arranged on one side of the opening of the heat treatment box (1), the sealing door (4) can cover the opening of the heat treatment box (1), two symmetrically distributed bottom plates (2) are fixedly arranged at the bottom of the inner wall of the heat treatment box (1), and vertical plates (22) are fixedly arranged on the bottom plates (2);

three first sliding grooves (23) distributed at equal intervals are formed in one opposite side of each of the two vertical plates (22), a placing plate (24) is inserted between the first sliding grooves (23) in a sliding manner on the two vertical plates (22), mold steel is placed in the placing plate (24), a fixed block (27) is fixedly arranged on one side, away from the placing plate (24), of one vertical plate (22), the fixed block (27) is parallel to the first sliding grooves (23), a screw rod (25) is rotatably inserted in the fixed block (27), a moving block (26) is inserted in the screw rod (25) in a threaded manner, one end, away from the screw rod (25), of the moving block (26) is fixedly connected to the connected placing plate (24), a worm wheel (28) is fixedly arranged at one end, penetrating through the fixed block (27), of the screw rod (25), a worm (29) is meshed with the worm wheel (28), and a first rotating shaft (30) is fixedly arranged at the upper end of the worm (29), the worm (29) one end is kept away from in first pivot (30) and heat treatment case (1) is run through, heat treatment case (1) upper end is close to first pivot (30) one side and is equipped with first motor (31), the output fixed connection of first motor (31) is on first pivot (30).

2. The vacuum heat treatment device for high pressure-bearing special die steel according to claim 1, characterized in that: three it keeps away from heat treatment case (1) opening part one side fixed and be equipped with two symmetric distribution's connecting block (32) to put board (24), three it is jointly fixed through connecting plate (33) between connecting block (32).

3. The vacuum heat treatment device for high pressure-bearing special die steel according to claim 1, characterized in that: the vertical plates (22) and the placing plates (24) are provided with vent holes (34) distributed in a matrix.

4. The vacuum heat treatment device for high pressure-bearing special die steel according to claim 1, characterized in that: fixed backup pad (12) that is equipped with in heat treatment case (1) outer wall one side, be equipped with air pump (13) on backup pad (12), air pump (13) upper end is run through and is equipped with exhaust tube (14) of three symmetric distribution, exhaust tube (14) are kept away from air pump (13) one end and are run through and insert and establish in heat treatment case (1), heat treatment case (1) inner wall is kept away from bottom plate (2) one side and is fixed and be equipped with heating pipe (11).

5. The vacuum heat treatment device for high pressure-bearing special die steel according to claim 1, characterized in that: air pump (13) one side is kept away from in heat treatment case (1) fixed installation piece (41) that are equipped with two symmetric distributions, two it is equipped with first pivot (30) to rotate between installation piece (41), heat treatment case (1) is close to installation piece (41) one side and is equipped with second motor (43), the output fixed connection of second motor (43) is on second pivot (42), fixed fly leaf (44) that are equipped with the L type on second pivot (42), second pivot (42) one side fixed connection is kept away from in fly leaf (44) is on sealing door (4).

6. The vacuum heat treatment device for high pressure-bearing special die steel according to claim 5, characterized in that: the movable sleeve is equipped with seal cover (46) on sealing door (4), be equipped with seal cover (46) between seal cover (46) medial surface and sealing door (4), fixed surface is equipped with mounting panel (47) on fly leaf (44), mounting panel (47) upper end is rotated and is inserted and is equipped with adjusting bolt (48), adjusting bolt (48) are kept away from mounting panel (47) one end and are passed through the bearing and fix the setting on fixed cover (45).

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