CN216758065U - Transition gate and stream inoculation trolley - Google Patents

Abstract

The utility model discloses a transition sprue and stream inoculation trolley, which comprises 2 brackets, 2 groups of sliding devices, 2 tracks and an iron mold, wherein the 2 brackets are n-shaped and arranged in parallel, the 2 groups of sliding devices are symmetrically arranged at two sides of the 2 brackets arranged in parallel, and the 2 groups of sliding devices are movably arranged on the 2 tracks; solves the problem of non-uniform flow of the stream inoculant and the molten iron, and can reduce the splashing of the molten iron.

Description

Transition sprue and stream inoculation trolley

Technical Field

The utility model relates to the field of pouring links in the sand coating process of iron molds, in particular to a transition gate and stream inoculation trolley.

Background

The sand-lined metal mold is a casting production technology. In the seventies of the last century, a special casting technical method developed by combining the national conditions of China on the basis of the domestic and overseas casting concurrent research by the casting workers in China is a semi-precise casting method different from casting methods such as sand casting, lost foam solid casting, V method casting, metal mold casting, shell mold casting, paraffin wax casting, ceramic casting, steel shot casting and the like, a metal model, namely a cast iron model, and a cast iron cavity similar to the appearance of a casting are used as a sand box iron mold, and a 6-10 mm film-coated sand tire is covered on the similar iron mold to form a casting mold for casting the casting, namely iron mold sand-coated casting. The production process flow of the sand lined iron mold comprises the following steps: the method comprises the steps of host modeling, inspection and box closing, locking a box and placing a pouring cup, pouring, opening the box and discharging a casting, sand removal and modeling. Inoculation is one of the core links in the cast iron production process. The inoculation treatment is to add a small amount of heterogeneous nucleation substances into the molten iron in the crystallization process, increase the nucleation rate, optimize the graphite form and refine the grains. The nucleating substance added into the iron liquid is called inoculant.

The inoculation method used in the existing pouring link adopts the mode of being additionally arranged on a ladle beam or a ladle nozzle of a ladle, and utilizes gravitational potential energy to be added into molten iron to complete the flow following of the inoculant, and the methods have uneven flow following inoculant flow.

At present, no 'transition pouring cup' is used in China, the transition pouring cup can be used for receiving a ladle to pour molten iron, surplus molten iron is accumulated, molten iron strand flow is quantitatively controlled to vertically and stably flow into an iron-type pouring cup, the requirement on operation experience is low, the transition pouring cup is large, alignment is convenient, and even if the ladle is slightly deviated, a large amount of molten iron cannot be splashed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: aiming at the pouring link in the prior sand-lined casting of the iron mold, a transition pouring gate and stream inoculation trolley is provided, the problem of non-uniform flow of molten iron and an inoculant is solved, and molten iron splashing can be reduced.

The technical scheme of the utility model is as follows:

the utility model relates to a transition sprue and stream inoculation trolley which comprises 2 brackets, 2 groups of sliding devices, 2 tracks and an iron mold, wherein the 2 brackets are n-shaped and arranged in parallel, the 2 groups of sliding devices are symmetrically arranged on two sides of the 2 brackets arranged in parallel, and the 2 groups of sliding devices are movably arranged on the 2 tracks.

Furthermore, 2 nut holes arranged on each bracket are opposite; the 2 nut holes of the bracket installation can relatively ensure the installation position of the screw rod, the screw rod can only be twisted in along the holes, the 4 screw rods are opposite in pairs, the 2 limiting rods convenient to install at the back can be parallel to each other, and the normal use of the device is not influenced.

Furthermore, fixing devices are arranged on the inner sides of the 2 tracks; and a fixing device is arranged for movably fixing the iron mold on the fixing device.

Further, the iron mold is movably arranged on a fixing device in the middle of the 2 rails; play the effect of fixed swage, and be convenient for remove or take the swage.

Further, an iron mold pouring cup is arranged on the upper surface of the iron mold; the iron mold is connected with the iron mold through the iron mold pouring cup, and molten iron flows into the iron mold from the iron mold pouring cup during pouring.

Further, the screw rod is meshed with the nut; the screw rod is screwed into the nut, the position of the limiting rod is adjusted by adjusting the length of the screw rod entering the nut, so that the height and the position of the transition pouring cup are adjusted, and when the two limiting rods are adjusted towards the middle at the same time, the transition pouring cup can be extruded to be adjusted upwards; when the two limiting rods are simultaneously adjusted outwards, the transition pouring cup can be adjusted downwards; when the two limiting rods move towards one side at the same time, the transition pouring cup can be driven to move towards the side horizontally; the height and the pouring gate position of sand boxes of different models can be matched.

Furthermore, the transition pouring cup is through from top to bottom, wide at the top and narrow at the bottom, and is funnel-shaped as a whole; transition pouring basin is the infundibulate, and when pouring molten iron, the molten iron can be along the downward domatic trickling of slope of transition pouring basin, and the accessible changes transition pouring basin below opening size, adjusts the flow, has solved the inhomogeneous problem of flow.

Furthermore, the transition pouring cup is in an inverted pyramid shape, and the transition pouring cup is provided with 4 downward inclined side surfaces, wherein two side surfaces are in contact with the limiting rod, so that the transition pouring cup is fixed.

Furthermore, the adjusting end is provided with an adjusting nut; adjusting nut fixed mounting is served at the regulation, when needing accommodate the lead screw, can twist adjusting nut, can drive whole lead screw and carry out the front and back regulation to drive the gag lever post front and back regulation, and then adjust transition pouring basin's position and height.

Furthermore, the number of the iron types is a plurality, the iron types are arranged on the fixing device to form a straight line, the iron types slide on the rail through the sliding device, and the transition pouring cup can be moved to the iron type pouring cup on any one iron type through the sliding device

Furthermore, the sliding device comprises a support, wherein a roller is arranged in the support, the roller is connected with the rail in a sliding manner, and the sliding device can slide back and forth on the rail.

Furthermore, the size of an opening below the transition pouring cup has various sizes, and the flow of molten iron can be controlled by selecting different sizes.

Furthermore, the screw rod and the transition pouring cup are low in manufacturing cost and the cost is reduced.

Furthermore, the two ends of the limiting rod are provided with baffle plates, and the baffle plates are arranged on the bracket.

Further, 2 hopper support is installed to individual bracket one side, hopper support movable mounting has the support lever, support lever one end is connected with sealed ball 901, and the support lever other end is connected with the balancing weight connecting wire, and the balancing weight connecting wire is connected with the balancing weight, the sealed ball sets up in the hopper bottom, the sealed ball below is provided with the material pipe.

Further, a tray is arranged on the hopper bracket; when the device is used, the balancing weight of the device can be stably placed on the tray, the sealing ball can droop and is separated from the hopper, inoculant flows to the material pipe from the hopper at the moment, and when the inoculant does not need to be poured out, the balancing weight is taken down from the tray and freely droops, the support lever can be driven, and the hopper is blocked by the sealing ball on the support lever.

Furthermore, the material pipe is installed on the hopper support through the mount, and the material pipe is used for catching inoculant that flows down from the top, fixes on the hopper support, increases the fastness of device, when using, can not take place the displacement because inoculant flows into the material pipe, influence the inflow of inoculant.

Furthermore, the opening above the material pipe is large, and the large opening is arranged above the hopper, so that the material pipe can receive the inoculant flowing from the upper part, and the problem that the inoculant cannot flow into the material pipe to generate splashing because the opening above the material pipe is too small in use is solved.

Further, the weight of the balancing weight is larger than that of the sealing ball.

Furthermore, when the balancing weight is placed on the tray, the sealing ball drives the support lever to droop towards the end where the sealing ball is located.

Furthermore, the tray is a metal platform, and the metal platform can be welded on the hopper support, so that the firmness of the device is improved.

Furthermore, the material pipe is provided with a bending degree, and the bottommost end of the material pipe is positioned above the iron-type sprue cup; a straight pipeline is arranged above the material pipe, and a bent pipe is arranged below the material pipe, so that the material pipe can conveniently receive and guide the inoculant flowing out of the hopper; the bottommost end of the material pipe is positioned above the iron mold pouring cup, so that the inoculant can continuously flow into the iron mold below.

Furthermore, the hopper is in an inverted pyramid shape, the opening above the hopper is large in square shape, the opening below the hopper is small in circular shape, the gradient of the inner wall of the hopper is 45 degrees, the opening above the hopper is large, so that the inoculant can be conveniently added, the opening below the hopper is small, so that the outflow speed of the inoculant can be controlled, and the outflow speed of the inoculant can be controlled by changing the size of the opening below the hopper; the slope of the inner wall of the hopper is 45 degrees, so that the inoculant can flow out from top to bottom conveniently.

Furthermore, the movably mounted support lever can swing up and down on the same vertical surface, and swing up until the sealing ball is plugged below the hopper and swing down until the sealing ball is suspended above the material pipe, and the distance between the hopper and the material pipe is more than 1 cm and less than 5 cm; the inoculant can be conveniently fed into the feed pipe from the hopper.

Furthermore, the hopper is fixed on the hopper support through a fixing frame.

Further, the sealing ball is spherical, and the diameter of the spherical sealing ball is larger than that of an opening below the hopper; can laminate hopper below opening more, and the spherical drainage effect that can play when pouring into the material pipe from the hopper prevents that inoculant from flowing to other positions.

Furthermore, the sealing ball is cubic and can block an opening below the hopper.

Compared with the prior art, the utility model has the beneficial effects that:

1. the transition sprue and stream inoculation trolley is reasonable in structural design, and the height and the position of the transition sprue cup are adjusted through the screw rod, so that the purpose of matching different types of iron molds and iron mold sprue cups is achieved.

2. According to the transition pouring gate and the stream inoculation trolley, the size of the opening below the transition pouring gate cup is changed, and the flow is adjusted, so that the problems of unstable molten iron flowing and non-uniform flow are solved.

3. The transition pouring gate and stream inoculation trolley has the advantages that the size of a transition pouring gate cup is larger than that of an iron type pouring gate cup, and the problems that alignment is difficult during pouring and molten iron splashes to hurt people are solved.

4. According to the transition sprue and stream inoculation trolley, the stream inoculation agent is introduced into the transition sprue cup and the iron mold sprue cup through the material pipe, so that the problem of non-uniform flow of the stream inoculation agent is solved.

Drawings

FIG. 1 is a structural diagram of a transition gate and stream inoculation trolley in a use state.

FIG. 2 is a structure diagram of a screw mandrel of a transition gate and stream inoculation trolley.

FIG. 3 is a connection diagram of a transition gate and a screw rod and a limiting rod of a stream inoculation trolley.

FIG. 4 is a schematic view of a hopper structure of a transition gate and stream inoculation trolley.

FIG. 5 is a diagram showing the working state of a sealing ball of a transition gate and a stream inoculation trolley.

Reference numerals:

1-bracket, 2-sliding device, 3-rail, 31-fixing device, 4-iron mold, 40-iron mold pouring cup, 5-nut, 50-screw rod, 501-adjusting end, 502-fixing end, 503-adjusting nut, 6-limiting rod, 7-transition pouring cup, 8-hopper, 9-material pipe, 90-support lever, 901-sealing ball, 11-hopper support, 110-tray, 12-counterweight block and 121-counterweight block connecting line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a structural view of a use state of a transition gate and stream inoculation trolley, and discloses a transition gate and stream inoculation trolley, which comprises 2 brackets 1, 2 groups of sliding devices 2, 2 rails 3 and an iron mold 4, wherein the 2 brackets 1 are in an n shape and are arranged in parallel, the 2 groups of sliding devices 2 are symmetrically arranged at two sides of the 2 brackets 1 which are arranged in parallel, the 2 groups of sliding devices 2 are movably arranged on the 2 rails 3, 2 nuts 5 are symmetrically arranged above each bracket 1, a screw rod 50 is movably arranged in each nut 5, the screw rod 50 comprises an adjusting end 501 and a fixed end 502, the fixed end 502 of the screw rod 50, which is arranged on each side of each bracket 1 and is provided with the nut 5, is connected with a limiting rod 6, and a transition gate cup 7 is erected in the middle of the 2 limiting rods 6; the inner sides of the 2 tracks 3 are provided with fixing devices 31; the iron mold 4 is movably arranged on a fixing device 31 in the middle of the 2 tracks 3; the upper surface of the iron mold 4 is provided with an iron mold pouring cup 40; the transition pouring cup 7 is through from top to bottom, wide at the top and narrow at the bottom, and is funnel-shaped as a whole; the flow is adjusted by changing the size of an opening below the transition pouring cup, so that the problem of non-uniform molten iron flow is solved; the opening above the transition pouring cup is large, so that molten iron poured out of the ladle can be completely received, and the molten iron is prevented from splashing to other places.

FIG. 2 is a structure diagram of a transition gate and a screw mandrel of a stream inoculation trolley, wherein 2 nuts 5 arranged on each bracket 1 are opposite to each other in holes; the screw rod 50 is meshed with the nut 5; the adjusting end 501 is provided with an adjusting nut 503; the screw rod is screwed into the nut, the position of the limiting rod is adjusted by adjusting the length of the screw rod entering the nut, so that the height and the position of the transition pouring cup are adjusted, and when the two limiting rods are adjusted towards the middle at the same time, the transition pouring cup can be extruded to be adjusted upwards; when the two limiting rods are simultaneously adjusted outwards, the transition pouring cup can be adjusted downwards; when the two limiting rods move towards one side at the same time, the transition pouring cup can be driven to horizontally move towards the side, and the effect of matching the heights of the sand boxes of different models and the positions of the pouring gates is achieved.

Fig. 3 is a connection diagram of a transition sprue and a screw rod and a limiting rod of a stream inoculation trolley, wherein the transition sprue cup is provided with 4 downward inclined side surfaces, and two side surfaces are in contact with the limiting rod to play a role in fixing the transition sprue cup.

FIG. 4 is a schematic view of a hopper structure of a transition gate and stream inoculation trolley; it installs the hopper support to disclose 2 bracket one side, and hopper support movable mounting has a support lever, and support lever one end is connected with sealed ball 901, and the support lever other end is connected with the balancing weight connecting wire, and the balancing weight connecting wire is connected with the balancing weight, and the sealed ball setting is provided with the material pipe in the hopper bottom, sealed ball below. A tray is arranged on the hopper bracket; the sealing ball 901 is driven to move up and down by the balancing weight, so that two states of closing and opening of the opening below the hopper are controlled, and the aim of controlling the flow of the inoculant to be uniform is fulfilled; in the whole inoculant pouring process, inoculant is added into the hopper firstly, the opening above the hopper is large, the inoculant enters the material pipe through the hopper, the material pipe introduces the stream-following inoculant into the transition pouring cup, and the stream-following inoculant quantitatively flows in the process.

FIG. 5 is a diagram of a working state of a sealing ball of a transition gate and stream inoculation trolley, and discloses a movably mounted support lever 90 which can swing up and down on the same horizontal plane, swing up until the sealing ball is blocked below a hopper 8, swing down until the sealing ball is suspended above a material pipe 9, and the distance between the hopper 8 and the material pipe 9 is more than 1 cm and less than 5 cm; the inoculant can conveniently flow into the material pipe 9 from the hopper 8, the sealing ball is spherical, and the diameter of the spherical shape is larger than that of the opening below the hopper; can laminate hopper below opening more, and the spherical drainage effect that can play when pouring into the material pipe from the hopper prevents to flow along with flowing inoculant to other positions.

The working principle is as follows:

when the transition pouring cup is used, the transition pouring cup 7 with a proper size is placed between the two limiting rods 6, the screw rod 50 is screwed into the nut 5, the position of the limiting rod 6 is driven to be adjusted by adjusting the length of the screw rod 50 entering the nut 5, so that the height and the position of the transition pouring cup 7 are adjusted, and when the two limiting rods are adjusted towards the middle at the same time, the transition pouring cup can be extruded to be adjusted upwards; when the two limiting rods are simultaneously adjusted outwards, the transition pouring cup can be adjusted downwards; when the two limiting rods move to one side simultaneously, the transition pouring cup can be driven to move to the side horizontally until the opening below the transition pouring cup 7 is adjusted to be above the iron-type pouring cup 40;

adding molten iron into the transition pouring cup 7, then placing the counterweight ball 201 on the tray 110, and as the mounting end of the counterweight block 12 of the support lever 90 loses the tension of the counterweight block 12, the mounting end of the sealing ball 901 inclines downwards to be separated from the lower opening of the hopper 8, releasing the sealing state, and the inoculant in the hopper 8 flows out from the lower opening of the hopper 8, flows into the material pipe 9, and then flows out from the bottom opening of the material pipe 9 into the transition pouring cup 7; then, the transitional pouring cup 7 mixes and drains the inoculant molten iron into the iron mold pouring cup 40, so that the aim of directional flowing of the molten iron is fulfilled; the stream inoculant and molten iron are mixed and enter the iron mold 4 from the iron mold pouring cup 40, after one iron mold is poured, the bracket 1 is pushed to slide on the rail through the sliding device 2, so that the bracket can slide to the upper part of the next non-poured iron mold, the opening at the lower part of the transition pouring cup 7 is adjusted to the upper part of the iron mold pouring cup 40 through the adjusting screw rod 50, the next pouring can be carried out, and when the stream inoculant is added in the whole pouring process, the stream inoculant is introduced into the transition pouring cup through the material using pipe, so that the stream inoculant is stable and uniform.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (10)

1. A transition sprue and stream inoculation trolley comprises 2 brackets (1), 2 groups of sliding devices (2), 2 tracks (3) and a plurality of iron molds (4), the 2 brackets (1) are n-shaped and arranged in parallel, the 2 groups of sliding devices (2) are symmetrically arranged at two sides of the 2 brackets (1) which are arranged in parallel, the 2 groups of sliding devices (2) are movably arranged on the 2 tracks (3), it is characterized in that 2 nuts (5) are symmetrically arranged above each bracket (1), a screw rod (50) is movably arranged in the nut (5), the screw rod (50) comprises an adjusting end (501) and a fixed end (502), the fixed end (502) of the screw rod (50) arranged on the nut (5) on each side of the 2 brackets (1) is connected with a limiting rod (6), a transition pouring cup (7) is erected in the middle of the 2 limiting rods (6).

2. The transition gate and stream inoculation trolley according to claim 1, wherein a hopper support (11) is installed on one side of each of the 2 brackets (1), a support lever (90) is movably installed on each hopper support (11), one end of each support lever (90) is connected with a sealing ball (901), the other end of each support lever (90) is connected with a counterweight block connecting line (121), each counterweight block connecting line (121) is connected with a counterweight block (12), each sealing ball (901) is arranged at the bottom of each hopper (8), and a material pipe (9) is arranged below each sealing ball (901).

3. The transition gate and stream inoculation trolley according to claim 2, wherein the hopper support (11) is provided with a tray (110).

4. The transition gate and stream inoculation trolley according to claim 1, wherein 2 nut (5) holes are installed on each bracket (1) opposite to each other; the screw rod (50) is meshed with the nut (5); the adjusting end (501) is provided with an adjusting nut (503).

5. The transition gate and stream inoculation trolley according to claim 1, wherein the 2 rails (3) are provided with fixing devices (31) on the inner sides.

6. The transition gate and stream inoculation trolley according to claim 5, characterized in that the iron mold (4) is movably mounted on a fixing device (31) in the middle of 2 rails (3).

7. The transition gate and stream inoculation trolley according to claim 1, wherein the upper surface of the iron mold (4) is provided with an iron mold gate cup (40).

8. The transition gate and stream inoculation trolley according to claim 1, wherein the transition gate cup (7) is through from top to bottom, wide at top and narrow at bottom, and is in an inverted pyramid shape as a whole.

9. The transition gate and stream inoculation trolley according to claim 2, characterized in that the material pipe (9) is provided with a curvature and the lowest end of the material pipe (9) is located above the iron mold pouring cup (40).

10. The transition gate and stream inoculation cart according to claim 2, wherein said sealing ball (901) is spherical.

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