Casting device for large propeller

Abstract

The utility model relates to the technical field of casting devices, and discloses a casting device for a large propeller, which solves the problem that molten metal in a liquid injection port is easy to drip continuously at present, and comprises a base, a lower die is fixedly mounted at the top of the base, an upper die is arranged at the top of the lower die, and a lifting mechanism is arranged on the outer side of the upper die. A liquid injection opening is formed in the top of the upper mold, the lifting mechanism comprises a U-shaped round rod fixed to the top of the base, and the outer side of the U-shaped round rod is movably sleeved with a second lifting frame; according to the liquid injection device, the first lifting frame can slide along the U-shaped round rod conveniently through the cooperation among the motor, the screw rod and the screw sleeve, the plugging rod can descend and be inserted into the liquid injection opening conveniently through the cooperation among the connecting column and the second lifting frame and the cooperation among the U-shaped round rod and the supporting column, and residual molten metal in the liquid injection opening can be removed; therefore, the molten metal in the liquid injection port is prevented from dropping continuously, and the forming effect of the large propeller is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foundry device technical field, specifically for a kind of casting device for large propeller. BACKGROUND

[0002] Propeller, refers to the blade in air or water rotation, the rotating power of engine is converted into the device of propulsive force, can have two or more leaves and hub be connected, the rear of leaf is helical surface or approximate helical surface a kind of marine propeller, the use range of propeller becomes more extensive with the continuous development of era, currently large propeller is generally formed by casting,

[0003] The existing casting device for large propeller is usually poured into the molten metal from the injection port into the pre-designed mold, and the basic shape of the propeller is formed after the metal is cooled and solidified, and when the molten metal stops pouring, the molten metal in the injection port is prone to continuously dripping, thereby causing poor forming effect of the large propeller. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a casting device for large propeller, which effectively solves the problem that the molten metal in the injection port is prone to continuously dripping.

[0005] To achieve the above object, the utility model provides the following technical scheme: a casting device for large propeller, comprising a base, a lower mold is fixedly installed on the top of the base, an upper mold is arranged on the top of the lower mold, a lifting mechanism is arranged on the outer side of the upper mold, and an injection port is arranged on the top of the upper mold.

[0006] The lifting mechanism comprises a U-shaped round rod fixed to the top of the base, a lifting frame two is movably sleeved on the outer side of the U-shaped round rod, a supporting column is fixedly connected to the outer side of the lifting frame two, a plugging rod is fixedly connected to the end away from the lifting frame two of the supporting column, and the plugging rod is inserted into the injection port.

[0007] Preferably, two limiting rings are symmetrically fixedly sleeved on the outer side of the U-shaped round rod, and the lifting frame two is located on the top of the two limiting rings.

[0008] Preferably, a sleeve plate is fixedly sleeved on the outer side of the U-shaped round rod and located above the lifting frame two, a screw rod is rotatably connected to the bottom of the sleeve plate, the lifting frame two is sleeved on the outer side of the screw rod and does not contact the screw rod, a motor is fixedly connected to the bottom end of the screw rod, and the motor is fixed to the top of the base.

[0009] Preferably, a sleeve is threadedly sleeved on the outer side of the screw rod and located below the lifting frame two, a lifting frame one is fixedly installed on the outer side of the sleeve, the lifting frame one is movably sleeved on the outer side of the U-shaped round rod, and two connecting columns are symmetrically fixedly connected between the lifting frame one and the lifting frame two.

[0010] Preferably, two L-shaped round rods are symmetrically and fixedly connected between the sleeve plate and the base, an outer frame is fixedly sleeved on the outer side of the upper die, the outer frame is movably sleeved on the outer side of the two L-shaped round rods, and the first lifting frame is movably sleeved on the outer side of the two L-shaped round rods and located below the outer frame.

[0011] Preferably, two fixed rings are symmetrically arranged above the outer frame, the two fixed rings are fixedly sleeved on the outer sides of the two L-shaped round rods, springs are fixedly connected between the two fixed rings and the outer frame, and the two springs are sleeved on the outer sides of the two L-shaped round rods.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) The utility model discloses a motor, a screw rod and a screw sleeve are matched, the first lifting frame is convenient for sliding along the U-shaped round rod, a connecting column, a second lifting frame and a U-shaped round rod and a supporting column are matched, the plugging rod is convenient for descending and inserting into the liquid injection port, residual molten metal in the liquid injection port can be removed, molten metal in the liquid injection port is prevented from continuously dropping, and the forming effect of the large propeller is improved.

[0014] (2) The motor, the screw rod and the screw sleeve are matched, the first lifting frame is convenient for sliding along the U-shaped round rod, the outer frame, the L-shaped round rod and the spring are matched, the upper die is longitudinally moved, the upper die is matched with the lower die when descending, molten metal is convenient for pouring into the lower die and the upper die for casting the large propeller, the upper die is separated from the lower die when ascending, and the formed large propeller is convenient for taking out. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a casting device structure schematic view for the utility model for large propeller;

[0018] Figure 2 It is a lifting mechanism structure schematic view for the utility model;

[0019] Figure 3 It is a U-shaped round rod structure schematic view for the utility model.

[0020] In the figure: 1. Base; 2. Lifting mechanism; 201. U-shaped round rod; 202. Sleeve plate; 203. Spring; 204. L-shaped round rod; 205. Outer frame; 206. Lifting frame 1; 207. Fixing ring; 208. Connecting column; 209. Limiting ring; 2010. Screw; 2011. Lifting frame 2; 2012. Support column; 2013. Sealing rod; 2014. Screw sleeve; 2015. Motor; 3. Liquid injection port; 4. Lower mold; 5. Upper mold. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Embodiment 1, by Figure 1 The utility model includes a base 1, a lower mold 4 is fixedly installed on the top of the base 1, an upper mold 5 is provided on the top of the lower mold 4, a lifting mechanism 2 is provided on the outer side of the upper mold 5, and a liquid injection port 3 is provided on the top of the upper mold 5.

[0023] Specifically, by Figures 2-3 The lifting mechanism 2 includes a U-shaped round rod 201 fixed to the top of the base 1, and the outer side of the U-shaped round rod 201 is movably connected to the lifting frame 2011, and the outer side of the lifting frame 2011 is fixedly connected to the support column 2012, and the end of the support column 2012 away from the lifting frame 2011 is fixedly connected to the blocking rod 2013, and the blocking rod 2013 is inserted into the liquid injection port 3. The outer side of the U-shaped round rod 201 is symmetrically fixedly connected to two limiting rings 209, and the lifting frame 2011 is located at the top of the two limiting rings 209. The outer side of the U-shaped round rod 201 is fixedly connected to a sleeve plate 20 located above the lifting frame 2011. 2. The bottom of the sleeve 202 is rotatably connected to a screw rod 2010. The second lifting frame 2011 is sleeved on the outside of the screw rod 2010 and does not contact the screw rod 2010. The bottom end of the screw rod 2010 is fixedly connected to a motor 2015. The motor 2015 is fixed to the top of the base 1. The outer side of the screw rod 2010 is threadedly sleeved with a screw sleeve 2014 located below the second lifting frame 2011. The outer side of the screw sleeve 2014 is fixedly installed with a lifting frame 1 206. The lifting frame 1 206 is movably sleeved on the outer side of the U-shaped round rod 201. There are two connecting columns 208 symmetrically fixedly connected between the lifting frame 1 206 and the lifting frame 2 2011.

[0024] In use, first, the motor 2015 is started to drive the screw rod 2010 to rotate, the lifting frame one 206 is driven to slide downward along the U-shaped round rod 201 through the screw sleeve 2014, and the lifting frame two 2011 is driven to slide downward along the U-shaped round rod 201 through the two connecting columns 208, then the plugging rod 2013 is driven to descend through the supporting column 2012, when the lifting frame two 2011 abuts against the two limiting rings 209, the plugging rod 2013 is completely inserted into the liquid injection port 3 to remove the residual molten metal in the liquid injection port 3, so that the molten metal in the liquid injection port 3 is prevented from continuously dropping, and finally the forming effect of the large propeller is improved.

[0025] Specifically, by Figures 2-3 It is given that the sleeve plate 202 is fixedly connected with the base 1 through two L-shaped round rods 204, the outer side of the upper die 5 is fixedly sleeved with an outer frame 205, the outer frame 205 is movably sleeved on the outer side of the two L-shaped round rods 204, the lifting frame one 206 is movably sleeved on the outer side of the two L-shaped round rods 204 and located below the outer frame 205, two fixed rings 207 are symmetrically arranged above the outer frame 205, the two fixed rings 207 are fixedly sleeved on the outer side of the two L-shaped round rods 204 respectively, and the two springs 203 are fixedly connected between the two fixed rings 207 and the outer frame 205, and the two springs 203 are sleeved on the outer side of the two L-shaped round rods 204 respectively;

[0026] In use, first, the motor 2015 is started to drive the screw rod 2010 to rotate, the lifting frame one 206 is driven to slide along the U-shaped round rod 201, when the lifting frame one 206 slides upward along the U-shaped round rod 201, the outer frame 205 is pushed to slide upward along the two L-shaped round rods 204, at this time, the two springs 203 are compressed, and the upper die 5 is driven to rise, so that the large propeller formed in the lower die 4 can be taken out, when the lifting frame one 206 slides downward along the U-shaped round rod 201, the restriction effect on the outer frame 205 is released, at this time, the two springs 203 are reset to drive the outer frame 205 to slide downward along the two L-shaped round rods 204, and the upper die 5 is lowered to close the lower die 4, and finally the molten metal is poured into the space between the lower die 4 and the upper die 5 for casting the large propeller.

Claims

1. A casting device for a large propeller, comprising a base (1), characterized in that: A lower mold (4) is fixedly mounted on the top of the base (1), an upper mold (5) is provided on the top of the lower mold (4), a lifting mechanism (2) is provided on the outer side of the upper mold (5), and a liquid injection port (3) is provided on the top of the upper mold (5); The lifting mechanism (2) comprises a U-shaped round rod (201) fixed to the top of the base (1); a lifting frame (2011) is movably sleeved on the outer side of the U-shaped round rod (201); a support column (2012) is fixedly connected to the outer side of the lifting frame (2011); a blocking rod (2013) is fixedly connected to one end of the support column (2012) away from the lifting frame (2011); and the blocking rod (2013) is inserted into the liquid injection port (3).

2. A casting device for a large propeller according to claim 1, characterized in that: Two limiting rings (209) are symmetrically and fixedly sleeved on the outer side of the U-shaped round rod (201), and the second lifting frame (2011) is located on the top of the two limiting rings (209).

3. A casting device for a large propeller according to claim 1, characterized in that: The outer side of the U-shaped round rod (201) is fixedly sleeved with a sleeve plate (202) located above the second lifting frame (2011); the bottom of the sleeve plate (202) is rotatably connected to a screw rod (2010); the second lifting frame (2011) is sleeved on the outer side of the screw rod (2010) and does not contact the screw rod (2010); the bottom end of the screw rod (2010) is fixedly connected to a motor (2015); and the motor (2015) is fixed to the top of the base (1).

4. A casting device for a large propeller according to claim 3, characterized in that: The outer side of the screw rod (2010) is threadedly sleeved with a screw sleeve (2014) located below the lifting frame 2 (2011), and the outer side of the screw sleeve (2014) is fixedly installed with the lifting frame 1 (206), and the lifting frame 1 (206) is movably sleeved on the outer side of the U-shaped round rod (201), and two connecting columns (208) are symmetrically fixedly connected between the lifting frame 1 (206) and the lifting frame 2 (2011).

5. The casting device for a large propeller according to claim 3, characterized in that: Two L-shaped round rods (204) are symmetrically fixedly connected between the sleeve plate (202) and the base (1); an outer frame (205) is fixedly sleeved on the outer side of the upper mold (5); the outer frame (205) is movably sleeved on the outer sides of the two L-shaped round rods (204); and a lifting frame (206) is movably sleeved on the outer sides of the two L-shaped round rods (204) and is located below the outer frame (205).

6. A casting device for a large propeller according to claim 5, characterized in that: Two fixing rings (207) are symmetrically provided above the outer frame (205), and the two fixing rings (207) are respectively fixedly sleeved on the outer sides of the two L-shaped round rods (204). Springs (203) are fixedly connected between the two fixing rings (207) and the outer frame (205), and the two springs (203) are respectively sleeved on the outer sides of the two L-shaped round rods (204).

Images