Casting device applied to production of pneumatic valve seat

Abstract

The utility model relates to a casting device applied to pneumatic valve seat production, which comprises a furnace body, a furnace door, a smelting furnace, a mold seat, a track, a steering mechanism, a stirring rod and a water cooling mechanism. Before casting, the furnace door is closed along the track, at the moment, the mold is just arranged below the smelting furnace, the smelting furnace is heated to enable metal materials to form liquid, the smelting furnace is controlled by the steering mechanism to incline and be poured into the mold, the furnace door is pulled out after heat preservation and cooling, and the whole casting process is completed in the furnace body, so that manual intervention is reduced; high-temperature radiation and metal splashing are effectively isolated, and a safe working environment is provided for operators.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of casting device, especially to a kind of casting device applied to pneumatic valve seat production. BACKGROUND

[0002] As the key component of pneumatic valve, the performance of pneumatic valve seat directly affects the service life and sealing performance of valve, and the traditional production method of pneumatic valve seat mainly adopts sand casting or metal mold casting, and during casting, it is often dependent on manual casting, and manual operation is difficult to accurately control the temperature, speed and other key parameters in the casting process, resulting in that the product is prone to defects such as air hole, shrinkage hole, and the working environment of casting is poor, and production safety problems are prone to occur. CONTENT OF UTILITY MODEL

[0003] In order to overcome the deficiencies of the background art, the utility model adopts the technical scheme: a kind of casting device applied to pneumatic valve seat production, including furnace body, furnace door, smelting furnace, mould seat, track, steering mechanism, stirring rod and water cooling mechanism, furnace door is slidably connected on one side of furnace body by track, the inner side of furnace door is equipped with mould seat for installing mould, furnace body is connected with smelting furnace by steering mechanism, smelting furnace is equipped above mould seat, furnace body is located above smelting furnace and is equipped with stirring rod that can extend into smelting furnace, one side of furnace body is equipped with water cooling mechanism for cooling smelting furnace base.

[0004] By adopting the above technical scheme, a fully enclosed furnace body design is adopted, before casting, metal material is put into smelting furnace, mould is placed in mould seat, before casting, furnace door is closed along track, at this time, mould is just set below smelting furnace, smelting furnace is heated to make metal material form liquid, smelting furnace is controlled to tilt by steering mechanism and pour into mould, after heat preservation and cooling, furnace door is pulled out, the whole casting process is completed in furnace body, reduces manual intervention, effectively isolates high temperature radiation and metal splashing, and provides a safe working environment for operators.

[0005] The utility model is further provided to be: the steering mechanism includes smelting furnace base, bottom plate, connecting plate, main shaft, vice shaft, speed reducer, motor and induction coil, smelting furnace base is fixedly connected to bottom plate, both sides of bottom plate are respectively installed between main shaft and vice shaft by connecting plate, and main shaft and vice shaft are coaxially distributed on both sides of furnace body, speed reducer and motor are provided outside furnace body, motor controls the rotation of main shaft through speed reducer, smelting furnace is fixedly connected to smelting furnace base, main shaft is connected with induction coil that is sleeved outside smelting furnace.

[0006] By adopting the above technical scheme, through the installation and positioning of smelting furnace base, the furnace mouth of smelting furnace is close to the axis of steering mechanism, so that when smelting furnace is cast, metal liquid is reduced to shake, metal liquid is avoided to splash or overflow, and the safety and stability of casting process are improved.

[0007] The utility model further sets up, two above with water cooling mechanism be connected water cooling pipe are equipped on the vice pivot, water cooling pipe connects pre -pressing smelting furnace base and forms the loop with water cooling mechanism.

[0008] Further, the two sides of the bottom plate are provided with limiting grooves for limiting the movement of the water cooling pipe.

[0009] The main shaft and the vice shaft are both hollow structures, the induction coil passes through the external distribution box of the main shaft, the water cooling pipe is connected with the water cooling mechanism outside the vice shaft, and the displacement of the water cooling pipe is avoided through the limiting grooves, so that the metal liquid is prevented from contacting the water cooling pipe, and the stability of the structure is ensured.

[0010] The utility model further sets up, the water cooling mechanism includes circulating pump and heat dissipation water tank, is equipped with fan for accelerating heat dissipation on heat dissipation water tank.

[0011] The above technical scheme is adopted, the liquid circulation in the water cooling pipe is controlled through the circulating pump, when the cooling liquid passes through the heat dissipation water tank, the heat dissipation of the cooling liquid is accelerated through the fan, so that the temperature of the smelting furnace base is controlled, and the structure of the smelting furnace base is prevented from being affected by the high temperature of the metal liquid.

[0012] The utility model further sets up, the furnace body top is equipped with ball seat and universal bar, the universal bar is equipped with the spherical surface that is suitable for ball seat, the stirring rod passes through the universal bar and extends to the smelting furnace, and the universal bar is equipped with screw rod spare for locking stirring rod.

[0013] Further, the furnace body top is provided with an observation window on one side of the stirring rod.

[0014] The above technical scheme is adopted, the universal bar is matched with the ball seat through the spherical surface, so that the stirring rod can be flexibly adjusted within a multi-angle range, different smelting requirements are adapted, the inside situation of the smelting furnace is watched by the staff through the observation window, and the smelting efficiency is improved through the stirring rod.

[0015] The embodiments of the utility model will be further described below with reference to the drawings. DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the sectional view of the furnace body of the utility model;

[0018] Figure 3 It is the structural schematic diagram of the stirring rod of the utility model; Figure 1 It is the local enlarged view of the view of the utility model in A direction;

[0019] Figure 4 It is the structural schematic diagram of the stirring rod installed on the furnace body of the utility model;

[0020] Wherein: 1 - furnace body, 2 - furnace door, 3 - smelting furnace, 4 - mold base, 5 - track, 6 - steering mechanism, 7 - stirring rod, 8 - water cooling mechanism, 9 - smelting furnace base, 10 - bottom plate, 11 - connecting plate, 12 - main shaft, 13 - auxiliary shaft, 14 - speed reducer, 15 - motor, 16 - induction coil, 17 - water cooling pipe, 18 - mounting hole, 19 - limiting groove, 21 - circulating pump, 22 - heat dissipation water tank, 23 - fan, 24 - ball head base, 25 - universal rod, 26 - spherical surface, 27 - screw piece, 28 - observation window; DETAILED DESCRIPTION

[0021] As shown in Figure 1 , 2 The embodiment provides a casting device applied to pneumatic valve seat production, which comprises a furnace body 1, a furnace door 2, a smelting furnace 3, a mold base 4, a track 5, a steering mechanism 6, a stirring rod 7 and a water cooling mechanism 8, the furnace door 2 is slidably connected to one side of the furnace body 1 through the track 5, the inner side of the furnace door 2 is provided with the mold base 4 for installing a mold, the furnace body 1 is connected with the smelting furnace 3 through the steering mechanism 6, the smelting furnace 3 is arranged above the mold base 4, the furnace body 1 located above the smelting furnace 3 is provided with the stirring rod 7 which can extend into the smelting furnace 3, and one side of the furnace body 1 is provided with the water cooling mechanism 8 for cooling the smelting furnace 3 base.

[0022] In combination with Figure 3 , in the embodiment, the steering mechanism 6 comprises a smelting furnace base 9, a bottom plate 10, a connecting plate 11, a main shaft 12, an auxiliary shaft 13, a speed reducer 14, a motor 15 and an induction coil 16, the smelting furnace base 9 is fixedly connected to the bottom plate 10, the bottom plate 10 is installed between the main shaft 12 and the auxiliary shaft 13 through the connecting plate 11 on both sides, the main shaft 12 and the auxiliary shaft 13 are coaxially distributed on both sides of the furnace body 1, the furnace body 1 is externally provided with the speed reducer 14 and the motor 15, the motor 15 controls the rotation of the main shaft 12 through the speed reducer 14, the smelting furnace 3 is fixedly connected to the smelting furnace base 9, the main shaft 12 is connected with the induction coil 16 which is sleeved outside the smelting furnace 3, and the smelting furnace 3 is positioned near the axis of the steering mechanism 6 through the installation of the smelting furnace base 9.

[0023] In the embodiment, the auxiliary rotating shaft 13 is provided with two or more water cooling pipes 17 connected with the water cooling mechanism 8, the water cooling pipes 17 are connected with the pre-pressing furnace base 9 and form a loop with the water cooling mechanism 8, both sides of the bottom plate 10 are provided with mounting holes 18 for mounting the connecting plate 11, and limiting grooves 19 for limiting the movement of the water cooling pipes 17, the main rotating shaft 12 and the auxiliary rotating shaft 13 are both hollow structures, the induction coil 16 penetrates the main rotating shaft 12 and is connected with the distribution box, the water cooling pipes 17 are connected with the water cooling mechanism 8 through the auxiliary rotating shaft 13, and the displacement of the water cooling pipes 17 is avoided through the limiting grooves 19, the water cooling mechanism 8 comprises a circulating pump 21 and a heat dissipation water tank 22, the heat dissipation water tank 22 is provided with a fan 23 for accelerating heat dissipation, the liquid in the water cooling pipes 17 is circulated through the circulating pump 21, when the cooling liquid passes through the heat dissipation water tank 22, the heat dissipation of the cooling liquid is accelerated through the fan 23, so that the temperature of the furnace base 9 is controlled, and the structure of the furnace base 9 is prevented from being affected by the high temperature of the metal liquid.

[0024] In combination with the above, Figure 4 In the embodiment, the furnace body 1 is provided with a ball head seat 24 and a universal rod 25, the universal rod 25 is provided with a spherical surface 26 matched with the ball head seat 24, the stirring rod 7 penetrates the universal rod 25 and extends to the smelting furnace 3, the universal rod 25 is provided with a screw rod 27 for locking the stirring rod 7, an observation window 28 is arranged on one side of the stirring rod 7 on the top of the furnace body 1, and the universal rod 25 is matched with the ball head seat 24 through the spherical surface 26, so that the stirring rod 7 can be flexibly adjusted within a multi-angle range.

[0025] The working principle of the utility model is that full-closed furnace body 1 is adopted, before casting, metal materials are put into the smelting furnace 3, and the mold is placed in the mold seat 4, before casting, the furnace door 2 is closed along the track 5 and the furnace body 1, at this time, the mold is just arranged below the smelting furnace 3, the smelting furnace 3 is heated through the induction coil 16, so that the metal materials form liquid, the smelting furnace 3 is controlled to be inclined through the steering mechanism 6, the metal liquid is poured into the mold, after heat preservation and cooling, the furnace door 2 is opened and the mold is taken out, the whole casting process is completed in the furnace body 1, and manual intervention is reduced.

[0026] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A casting device applied to the production of pneumatic valve seats, characterized in that, The utility model relates to a smelting furnace, including furnace body (1), furnace door (2), smelting furnace (3), mould seat (4), track (5), steering mechanism (6), stirring rod (7) and water cooling mechanism (8), furnace door (2) is connected through track (5) on one side of furnace body (1), and the inboard of furnace door (2) is equipped with the mould seat (4) for installing mould, and furnace body (1) is connected with smelting furnace (3) through steering mechanism (6), and smelting furnace (3) is equipped with the stirring rod (7) that can extend to smelting furnace (3) in the upper portion of smelting furnace (3), and one side of furnace body (1) is equipped with water cooling mechanism (8) for cooling the base of smelting furnace (3).

2. The casting device for producing a pneumatic valve seat according to claim 1, characterized in that: The steering mechanism (6) includes smelting furnace base (9), bottom plate (10), connecting plate (11), main rotating shaft (12), vice rotating shaft (13), speed reducer (14), motor (15) and induction coil (16), smelting furnace base (9) is fixedly connected to bottom plate (10), both sides of bottom plate (10) are installed between main rotating shaft (12) and vice rotating shaft (13) through connecting plate (11) respectively, and main rotating shaft (12) and vice rotating shaft (13) are coaxially distributed on both sides of furnace body (1), and furnace body (1) is externally provided with speed reducer (14) and motor (15), motor (15) controls the rotation of main rotating shaft (12) through speed reducer (14), and the smelting furnace (3) is fixedly connected to the smelting furnace base (9), and the main rotating shaft (12) is connected with the induction coil (16) sleeved outside the smelting furnace (3).

3. The casting device for producing a pneumatic valve seat according to claim 2, characterized in that: The vice rotating shaft (13) is provided with two or more water cooling pipes (17) connected with the water cooling mechanism (8), the water cooling pipes (17) are connected to the pre-pressing smelting furnace base (9) and form a loop with the water cooling mechanism (8).

4. The casting device for producing a pneumatic valve seat according to claim 3, characterized in that: The water cooling mechanism (8) includes a circulating pump (21) and a heat dissipation water tank (22), and the heat dissipation water tank (22) is provided with a fan (23) for accelerating heat dissipation.

5. The casting device for producing a pneumatic valve seat according to claim 4, characterized in that: The bottom plate (10) is provided with a limiting groove (19) on both sides for limiting the movement of the water cooling pipe (17).

6. The casting device for producing a pneumatic valve seat according to claim 1, characterized in that: The furnace body (1) is provided with a ball seat (24) and a universal rod (25) on the top, the universal rod (25) is provided with a spherical surface (26) matched with the ball seat (24), the stirring rod (7) extends through the universal rod (25) to the smelting furnace (3), and the universal rod (25) is provided with a screw rod (27) for locking the stirring rod (7).

7. The casting device for producing a pneumatic valve seat according to claim 6, characterized in that: The furnace body (1) is provided with an observation window (28) on one side of the top of the stirring rod (7).

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