Rod mold pouring gate pressing device for high-temperature alloy master alloy production

Abstract

The utility model relates to the technical field of metallurgical equipment, in particular to a rod mold sprue pressing device for high-temperature alloy master alloy production. Comprising a telescopic assembly, a hydraulic jack arranged at the lower end of the telescopic assembly, a distribution plate arranged on the lower side of the hydraulic jack, a rod mold assembling mechanism arranged on the lower side of the distribution plate and a supporting table arranged on the lower side of the rod mold assembling mechanism. The bar mold assembling mechanism comprises a mold box, a mold cover located above the mold box, a pouring shell arranged in the mold cover, a heat preservation cotton layer arranged on the lower side of the pouring shell and a tensioning mechanism arranged between the mold box and the mold cover. A plurality of insertion holes are formed in the heat preservation cotton layer; according to the device, when the high-temperature alloy mother alloy bar mold is assembled, the degree of tightness of a pouring gate is consistent, molten steel is prevented from leaking from a gap between the bar mold and a pouring shell in the steel pouring process, and the risk of steel leakage is reduced; and the device is suitable for quickly pressing and assembling rod molds with different lengths.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical equipment, in particular to a rod mold gate clamping device used for the production of high-temperature alloy master alloys. Background Art

[0002] With the development of aviation, power generation and ship gas turbine industries, the use of high-temperature alloys is increasing, and the performance requirements of high-temperature alloys are becoming more and more stringent. At present, in the production process of casting high-temperature master alloys, the method of direct casting of molten steel is mostly used, that is, the high-temperature molten steel in the crucible is directly poured into the predetermined rod mold through the runner;

[0003] However, the rod molds may vary in length according to the customer's requirements for product size. The assembly of the rod molds is time-consuming and labor-intensive, and the tightness of the assembly varies. Often during the steel pouring process, molten steel leaks from between the rod mold and the casting shell, causing damage to the rod mold and waste of molten steel. In severe cases, equipment damage may occur, or even safety accidents may occur. Utility Model Content

[0004] The utility model aims to provide a rod mold gate clamping device for the production of high-temperature alloy master alloys, which is used to solve the problems of time-consuming and labor-intensive assembly of the rod mold, difficulty in assembly tightness, and leakage of molten steel during steel casting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rod mold gate clamping device for the production of high-temperature alloy master alloy, comprising a telescopic component, a hydraulic jack arranged at the lower end of the telescopic component, a distribution plate arranged at the lower side of the hydraulic jack, a rod mold assembly mechanism arranged at the lower side of the distribution plate, and a support platform arranged at the lower side of the rod mold assembly mechanism; the rod mold assembly mechanism comprises a mold box, a mold cover located above the mold box, a casting shell arranged in the mold cover, a thermal insulation cotton layer arranged at the lower side of the casting shell, and a tensioning mechanism arranged between the mold box and the mold cover; a plurality of insertion holes are provided on the thermal insulation cotton layer; the opening of the mold cover faces downward and a rectangular opening is provided on the upper side, the opening of the casting shell faces downward and a plurality of casting holes are provided on the lower side, and a plurality of inserts are provided on the lower side of the casting shell, and the inserts are inserted into the insertion holes and connected to the casting holes.

[0006] Furthermore, the tensioning mechanism includes a plurality of first fixing rings arranged around the outer wall of the mold cover and a plurality of second fixing rings arranged around the outer wall of the mold box, and the first fixing rings and the second fixing rings are detachably connected with fasteners.

[0007] Furthermore, the telescopic assembly includes an outer sleeve, an inner sleeve arranged inside the outer sleeve and slidably arranged with the outer sleeve, and a pad arranged on the lower side of the inner sleeve and acting on the upper side of the hydraulic jack; two second through holes are provided in the lower middle part of the outer wall of the outer sleeve, and three first through holes are provided on the outer wall of the inner sleeve, and pins are provided in the first through holes and the corresponding second through holes.

[0008] Furthermore, a circular plate is provided on the upper side of the outer sleeve, and a plurality of mounting holes arranged in an annular manner are provided on the circular plate.

[0009] Furthermore, the support platform adopts a shim.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] The utility model has the following beneficial effects:

[0012] When the device is used, a plurality of rod molds are placed in a mold box, and then a heat-insulating cotton layer is placed on the upper ends of the plurality of rod molds so that the jacks on the heat-insulating cotton layer correspond to the pouring ports of the rod molds, and then a casting shell is placed on the upper side of the heat-insulating cotton layer, and a plurality of inserts on the lower side of the casting shell are inserted into the plurality of jacks and correspond to the pouring ports of the mold rods, and the rod molds are pre-assembled, and the pre-assembled rod mold assembly mechanism is placed on the support table; then, the distribution plate is placed on the rod mold assembly mechanism; the rod mold clamping mechanism is then clamped by a telescopic component, and then fastened by fasteners on two first fixing rings and second fixing rings arranged vertically in parallel, to complete the clamping and assembly of the pouring ports of the high-temperature alloy mother alloy rod mold; and then, when the high-temperature alloy mother alloy rod mold is assembled, the tightness of the pouring ports is consistent, and the molten steel is prevented from leaking from the gap between the rod mold and the casting shell during the steel pouring process, thereby reducing the risk of steel leakage; and the device is suitable for rapid clamping and assembly of rod molds of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a rod mold gate clamping device used for the production of high-temperature alloy master alloys according to the utility model;

[0014] Figure 2 It is a cross-sectional schematic diagram of the casting shell and the thermal insulation cotton layer of the utility model;

[0015] Figure 3 This is a structural diagram of a circular plate of the utility model.

[0016] In the figure: 1. outer sleeve; 2. inner sleeve; 3. first through hole; 4. latch; 5. pad; 6. circular plate; 7. hydraulic jack; 8. distribution plate; 9. support platform; 10. mold box; 11. mold cover; 12. first fixing ring; 13. fastener; 14. insulation cotton layer; 15. mounting hole; 16. casting shell; 17. casting hole; 18. insert pipe; 19. insert hole; 20. second through hole; 21. second fixing ring. DETAILED DESCRIPTION

[0017] See also Figure 1-3A rod mold gate clamping device for producing high-temperature alloy master alloys includes a telescopic component installed on the top surface of the chamber, a hydraulic jack 7 placed between the telescopic component and a distribution plate 8 and used to apply pressure to a rod mold assembly mechanism, a distribution plate 8 arranged at the lower side of the hydraulic jack 7, a rod mold assembly mechanism arranged at the lower side of the distribution plate 8, and a support platform 9 arranged at the lower side of the rod mold assembly mechanism. The support platform 9 adopts a pad iron, and the pad iron is placed on the ground; the rod mold assembly mechanism includes a mold box 10, a mold cover 11 located above the mold box 10, and a mold cover 11 arranged at the mold cover 11. A casting shell 16 inside, a heat-insulating cotton layer 14 arranged on the lower side of the casting shell 16, and a tensioning mechanism arranged between the mold box 10 and the mold cover 11; a plurality of plug holes 19 are opened on the heat-insulating cotton layer 14; the opening of the mold cover 11 faces downward and a rectangular opening is provided on the upper side; the mold cover 11 is in the shape of a rectangular cylinder as a whole and an inner flange is provided on the upper end, the casting shell 16 is in the shape of a rectangular basin as a whole, the opening of the casting shell 16 faces downward and a plurality of casting holes 17 are opened on the lower side, and a plurality of insert pipes 18 are provided on the lower side of the casting shell 16, and the insert pipes 18 are inserted into the insert holes 19 and connected to the casting holes 17.

[0018] The tensioning mechanism includes a plurality of first fixing rings 12 arranged around the outer wall of the mold cover 11 and a plurality of second fixing rings 21 arranged around the outer wall of the mold box 10. The first fixing rings 12 and the second fixing rings 21 are detachably connected with fasteners 13, which are steel wires that are wound and connected between the first fixing rings 12 and the second fixing rings 21.

[0019] The telescopic assembly includes an outer sleeve 1, an inner sleeve 2 arranged inside the outer sleeve 1 and slidably arranged with the outer sleeve 1, and a pad 5 welded to the lower side of the inner sleeve 2 and acting on the upper side of the hydraulic jack 7; two second through holes 20 are provided in the middle and lower part of the outer wall of the outer sleeve 1, and three first through holes 3 are provided on the outer wall of the inner sleeve 2, and pins 4 are provided in the first through holes 3 and the corresponding second through holes 20.

[0020] A circular plate 6 is provided on the upper side of the outer sleeve 1, and a plurality of mounting holes 15 arranged in a ring-shaped interval are provided on the circular plate 6; the circular plate 6 is fitted on the workshop beam or the ceiling in the workshop, and the circular plate 6 is fixed to the indoor ceiling by screwing screws into the plurality of mounting holes 15, thereby facilitating the installation of the telescopic assembly on the beam in the workshop or the ceiling in the workshop.

[0021] Working principle: When in use, multiple rod molds are placed in the mold box 10, and then the insulation cotton layer 14 is placed on the upper ends of the multiple rod molds, so that the plug hole 19 on the insulation cotton layer 14 corresponds to the pouring port of the rod mold, and then the casting shell 16 is placed on the upper side of the insulation cotton layer 14, and the multiple plugs 18 on the lower side of the casting shell 16 are inserted into the multiple plug holes 19 and correspond to the pouring port of the mold rod, and the rod mold is pre-assembled, and the pre-assembled rod mold assembly mechanism is placed on the support table 9; then, the distribution plate 8 is placed on the rod mold assembly mechanism; and then the second through hole 20 on the outer sleeve 1 is adjusted with the first through hole 3 on the inner sleeve 2, so that the hydraulic jack 7 is just It is preferably placed between the pad 5 and the distribution plate 8, and the pin 4 is inserted into the aligned first through-hole 3 and the second through-hole 20; finally, the rod mold clamping mechanism is clamped by adjusting the height of the hydraulic jack 7, and then the two first fixing rings 12 and the second fixing rings 21 arranged vertically in parallel are fastened by the fasteners 13 to complete the clamping and assembly of the high-temperature alloy mother alloy rod mold gate; thereby, when the high-temperature alloy mother alloy rod mold is assembled, the gate tightness is consistent, and the molten steel is prevented from leaking from the gap between the rod mold gate and the casting shell 16 during the steel pouring process, thereby reducing the risk of steel leakage; and it is suitable for the rapid clamping and assembly of rod molds of different lengths.

[0022] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rod mold gate clamping device for producing high-temperature alloy master alloy, characterized in that: The invention comprises a telescopic assembly, a hydraulic jack (7) arranged at the lower end of the telescopic assembly, a distribution plate (8) arranged at the lower side of the hydraulic jack (7), a rod mold assembly mechanism arranged at the lower side of the distribution plate (8), and a support platform (9) arranged at the lower side of the rod mold assembly mechanism; the rod mold assembly mechanism comprises a mold box (10), a mold cover (11) located above the mold box (10), a casting shell (16) arranged in the mold cover (11), a heat-insulating cotton layer (14) arranged at the lower side of the casting shell (16), and a mold box (10). The invention relates to a tensioning mechanism between the mold cover (10) and the mold cover (11); a plurality of insertion holes (19) are provided on the thermal insulation cotton layer (14); the mold cover (11) is in the shape of a rectangular cylinder as a whole and is provided with an inner flange at the upper end; the casting shell (16) is in the shape of a rectangular basin as a whole; a plurality of casting holes (17) are provided on the lower side of the casting shell (16); a plurality of insertion tubes (18) are provided on the lower side of the casting shell (16); the insertion tubes (18) are inserted into the insertion holes (19) and connected to the casting holes (17).

2. A rod mold gate clamping device for producing high-temperature alloy master alloy according to claim 1, characterized in that: The tensioning mechanism comprises a plurality of first fixing rings (12) arranged around the outer wall of the mold cover (11), and a plurality of second fixing rings (21) arranged around the outer wall of the mold box (10), wherein the first fixing rings (12) and the second fixing rings (21) are detachably connected with fasteners (13).

3. The rod mold gate clamping device for producing high-temperature alloy master alloy according to claim 1, characterized in that: The telescopic assembly comprises an outer sleeve (1), an inner sleeve (2) arranged inside the outer sleeve (1) and arranged to slide with the outer sleeve (1), and a pad (5) arranged at the lower side of the inner sleeve (2) and acting on the upper side of the hydraulic jack (7); two second through holes (20) are provided at the middle and lower part of the outer wall of the outer sleeve (1), and three first through holes (3) are provided at the outer wall of the inner sleeve (2), and latches (4) are provided in the first through holes (3) and the corresponding second through holes (20).

4. A rod mold gate clamping device for producing high-temperature alloy master alloy according to claim 3, characterized in that: A circular plate (6) is provided on the upper side of the outer sleeve (1), and a plurality of mounting holes (15) arranged in an annular manner and spaced apart are provided on the circular plate (6).

5. The rod mold gate clamping device for producing high-temperature alloy master alloy according to claim 1, characterized in that: The support platform (9) is made of iron pads.

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