Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a molding machine so as to achieve the purpose of small molding sand quantity of molding falling off.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the molding machine comprises a frame, a cope flask and a drag flask, wherein the cope flask and the drag flask are arranged on the frame, the cope flask is provided with a sand feeding barrel, the drag flask is provided with a sand feeding barrel, the side face of the drag flask is provided with a sand feeding flange, the inner side of the drag flask is provided with a sand feeding barrel sand discharging flange, the cope flask is arranged on the top of the frame and communicated with the cope flask, the drag flask is fixed on the frame through a bracket, the sand feeding barrel sand discharging flange forms a sand discharging flange at a fixed position, and the sand feeding barrel sand feeding flange of the drag flask and the sand feeding barrel sand discharging flange are in butt joint communication to form a sand shooting channel structure at a fixed height position.
Further:
the lower sand barrel is positioned on the side face of the frame, and a sand barrel sand outlet flange is arranged on the inner side of the bottom of the lower sand barrel.
The side surfaces of the lower sand barrel and the frame are fixedly connected through a detachable adjusting structure.
The bottom of the stand is provided with a lower working cylinder for driving the drag flask, and the top of the stand is provided with an upper working cylinder for the cope flask.
The bottom of frame is equipped with the base, and the top of base is equipped with lower box bracket and lower box auxiliary bracket from down to top, be equipped with the lower box lift cylinder on the base, the lower box lift cylinder links to each other with the lower box bracket, is equipped with the lower box auxiliary lift cylinder between lower box bracket and the lower box auxiliary bracket, be equipped with the sand mould clamp plate on the lower box bracket, the sand mould clamp plate is located the sand mould.
A group of vertical guide posts are arranged in the frame, and the lower box auxiliary bracket is movably matched with the guide posts.
The auxiliary lifting cylinders of the lower box are a pair of opposite arranged, and the auxiliary lifting cylinders of the lower box are positioned on two opposite sides of the lower sand mould pressing plate.
Compared with the prior art, the utility model has the following advantages:
The molding machine is reasonable in structural design, the sand is fixedly ejected through the top, the sand is fixedly ejected through the side surface of the upper sand box, the gap between the sand outlet flange of the lower sand barrel and the sand inlet flange of the sand box can be designed to be relatively small, sand leakage in the sand ejecting process is greatly reduced, the workload of workers is reduced, the processes of box closing, template box separation and box closing are completed through linkage work of the lower box lifting cylinder and the upper box lifting cylinder, the moving distance of each time of the lower box lifting cylinder and the upper box lifting cylinder is relatively short, and the molding time of completing one box (about box/30 seconds) is obviously short compared with the molding time of a molding machine in the prior art.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
FIGS. 1 and 2 are schematic views of a molding machine according to the present utility model.
FIG. 3 is a diagram of the present utility model and prior art alignment of a sand drum sand out flange separated from a flask sand in flange.
Fig. 4 is a diagram showing the comparison of the connection of the sand feeding passage in the present utility model and the prior art.
In the figure:
11. A sand discharging barrel body; 121, sand barrel sand outlet channel, 122, sand delivery channel, 123, sand passing flange gap, 13, sand barrel sand outlet flange seat, 14, sand barrel sand outlet flange, 15, sand barrel sand outlet flange seal, 16, sand box sand inlet flange, 17, sand adding port I, 18, sand box sand inlet flange seat, 19, sand gate mechanism I, 21, upper sand barrel body, 22, sand adding port II, 23, sand gate mechanism II, 31, guide post, 32, base, 33 lower box bracket, 34, lower box auxiliary bracket, 341, lower sand mold pressing plate, 35, upper box bracket, 36, upper box auxiliary bracket, 37, top frame, 38, lower sand box, 39, upper sand box, 41, lower box lifting cylinder, 42, lower box auxiliary lifting cylinder, 43, upper box lifting cylinder, 44, upper box auxiliary working cylinder, 5, sand outlet transition frame, 6, frame, 61, base, 63, column shield, 64, door, 65, fixed door, 66, sliding door, 67, lower box sliding mechanism, 7, mould frame mechanism, 8 and mould pushing mechanism.
Detailed Description
The following description of the embodiments of the present utility model refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 4, the molding machine comprises a frame 6, and a cope flask 39 and a drag flask 38 which are arranged on the frame, wherein an upper sand barrel is arranged corresponding to the cope flask, a lower sand barrel is arranged corresponding to the drag flask, a sand inlet flange of the sand box is arranged on the side surface of the drag flask, a sand outlet flange of the sand barrel is arranged on the inner side of the lower sand barrel, the upper sand barrel is arranged on the top of the frame and is communicated with the cope flask, the lower sand barrel is fixed on the frame through a bracket, the sand outlet flange of the sand barrel forms a sand outlet flange at a fixed position, and a sand injection channel structure at a fixed height position is formed after the sand inlet flange of the sand box and the sand outlet flange of the sand barrel are in butt joint communication.
The molding machine has reasonable structural design, the sand is fixedly ejected through the top, the sand is fixedly ejected through the side surface of the lower sand box, and the gap between the sand outlet flange of the lower sand box and the sand inlet flange of the sand box can be designed to be relatively smaller, so that sand leakage in the sand ejecting process is greatly reduced, and the cleaning workload of workers is reduced.
The lower sand barrel is positioned on the side surface of the frame, and the sand barrel sand outlet flange is arranged on the inner side of the bottom of the lower sand barrel. Further, the side surfaces of the lower sand barrel and the frame are fixedly connected through a detachable adjusting structure, and can be adjusted.
The bottom of the frame is provided with a lower working cylinder for driving the drag flask, and the top of the frame is provided with an upper working cylinder for the cope flask. The lower box lifting cylinder is lifted to a fixed position before the upper sand box and the lower sand box are combined, the moving distance of the lower box lifting cylinder and the upper box lifting cylinder each time is relatively short, and the molding time for completing one box (about box/30 seconds) is obviously short compared with the molding time of a molding machine in the prior art.
The bottom of frame is equipped with the base, and the top of base is equipped with lower case bracket and lower case auxiliary bracket from supreme down, be equipped with the lower case lift jar on the base, the lower case lift jar links to each other with lower case bracket, is equipped with the supplementary lift jar of lower case between lower case auxiliary bracket and the lower case bracket, is equipped with down sand mould clamp plate 341 on the lower case bracket, and the lower sand mould links to each other with lower case auxiliary bracket, and down sand mould clamp plate is located the lower sand mould.
A group of vertical guide posts are arranged in the frame, and the lower box auxiliary bracket is movably matched with the guide posts. The auxiliary lifting cylinders of the lower box are a pair of opposite arranged, and the auxiliary lifting cylinders of the lower box are positioned on two opposite sides of the lower sand mould pressing plate, so that the lower sand mould pressing plate is stable and reliable.
The utility model relates to a modeling structure device of a modeling machine, which belongs to a modeling system of the modeling machine, and comprises a guide post, a base, a lower box bracket, a lower box auxiliary bracket, an upper box auxiliary bracket, a top frame, a lower sand box, an upper sand barrel, a lower sand barrel and the like, wherein the modeling system completes sand box assembling, molding sand compaction, stripping and the like through a lifting working cylinder.
The molding structure device of the molding machine focuses on a lower sand barrel connecting flange structure, wherein the lower sand barrel connecting flange structure consists of a sand shooting channel, a sand barrel sand outlet flange seat 13, a sand barrel sand outlet flange 14, a sand barrel sand outlet flange seal 15, a sand box sand inlet flange 16 and a sand box sand inlet flange seat 18. The sand shooting channel, the sand barrel sand discharging flange seat, the sand barrel sand discharging flange seal, the sand box sand feeding flange and the sand box sand feeding flange seat of the lower sand barrel connecting flange structure are positioned at a fixed height position, and the sand shooting channel is communicated with sand shooting.
The upper sand box and the lower sand box are lifted to a fixed position before being combined, the device compacts molding sand through the upper sand box lifting working cylinder after sand injection, the moving distance of the lower sand box lifting cylinder and the upper sand box lifting cylinder each time is relatively short, and the time for completing one-box molding is obviously short compared with the molding time of a molding machine in the prior art.
Preferred specific examples of the present utility model are:
The base 32, lower box bracket 34, lower box auxiliary bracket 33, upper box bracket 35, upper box auxiliary bracket 36, and top frame 37 of the molding machine are mounted on the guide post 31. The lower box bracket, the lower box auxiliary bracket, the upper box bracket and the upper box auxiliary bracket are matched with the guide posts through corresponding guide post holes to slide up and down.
The base 32 is fixedly arranged on a base 61 of the molding machine, the base is positioned at the bottom of the frame 6, 1 group of guide posts 31 are fixedly arranged on the base, a stand column shield 63 is arranged outside the guide posts, and a lower box lifting cylinder 41 is fixedly arranged on the base. One side of the modeling area of the frame is of a box structure, a group of doors 64 are arranged at the lower part of the box structure, a fixed door 65 and a sliding door 66 are arranged at the upper part of the box structure, a movable die carrier mechanism 7 and a pushing mechanism 8 are arranged in the box structure, and an outgoing transition frame 5 is arranged at the edge part of the frame of the modeling area corresponding to the pushing mechanism.
The lower sand barrel 11 is arranged at the rear side of the frame and is fixedly arranged through a support structure, the top of the lower sand barrel is provided with a sand adding port I17, a sand locking mechanism I19 is arranged corresponding to the sand adding port I, the inner side of the bottom of the lower sand barrel is provided with an extending part, the extending part forms a sand barrel sand outlet flange seat 13, the sand barrel sand outlet flange seat is provided with a sand barrel sand outlet flange 14, the sand barrel sand outlet flange seat is provided with a sand barrel sand outlet flange seal 15, the sand barrel sand outlet flange center is provided with a sand barrel sand outlet channel 121, the outer side of the lower sand box is provided with a sand box sand inlet flange seat 18, the sand box sand inlet flange seat is provided with a sand box sand inlet flange 16, the sand box sand inlet flange center is provided with a sand feeding channel 122, and the joint of the sand box sand inlet flange and the sand barrel sand outlet flange seat is provided with a sand through flange gap 123.
The lower box lifting cylinder is connected with a lower box bracket, a lower box auxiliary lifting cylinder 42 is arranged on the lower box bracket, the lower box auxiliary lifting cylinder is connected with a lower box auxiliary bracket, the distance between the lower box auxiliary bracket and the lower box bracket is adjusted and changed through a lower box auxiliary working cylinder so as to adjust the height of the lower sand mould, and the lower box auxiliary working cylinder drives the lower sand mould to be separated from the lower sand box.
The lower box bracket is provided with a lower sand mould pressing plate for compacting a lower sand mould, the lower sand mould pressing plate moves up and down in the cavity of the lower sand mould, and the lower sand mould pressing plate is provided with a sand through hole so that sand passes through the lower sand mould pressing plate and enters the cavity of the lower sand mould.
The drag flask is fixedly arranged on the auxiliary bracket of the drag flask, and is communicated with or disconnected from the drag barrel.
The lower sand barrel is fixedly arranged on the molding machine frame, and is communicated with or disconnected from a sand box sand inlet flange associated with the lower sand box through a sand barrel sand outlet flange and a sand barrel sand outlet flange seal.
The top frame is fixedly arranged at the top end of the guide rod;
The upper box lifting cylinder 43 is arranged on the top frame and is connected with an upper box auxiliary bracket;
The upper box auxiliary bracket is provided with an upper box auxiliary working cylinder and an upper sand barrel whole body 21, the top of the upper sand barrel whole body is provided with a sand adding port II22, and a sand locking mechanism II23 is arranged on the sand adding port II;
The upper box auxiliary bracket is connected with the upper box bracket through an upper box auxiliary working cylinder, the distance between the upper box auxiliary bracket and the upper box bracket is adjusted and changed through an upper box auxiliary working cylinder 44 so as to adjust the height of the upper sand mold, the upper box auxiliary working cylinder drives the upper sand mold to be separated from the upper sand box, and the upper sand mold pressing plate is provided with a sand through hole so that sand mold passes through the upper sand mold pressing plate and enters a cavity of the upper sand box.
The cope flask is fixedly arranged on the cope bracket.
The sand outlet of the upper sand barrel is directly communicated with the upper part of the inner cavity of the upper sand box, and the sand outlet of the upper sand barrel is connected and fixed with an upper sand mold pressing plate to compact the upper sand mold.
A die set slideway is fixedly arranged between the cope flask and the drag flask on the guide post, and the die set slideway, the die set support and the die set driver form a die set mechanism.
And the die carrier linearly reciprocates on the die carrier slideway under the action of a die carrier driver to finish the molding of the die carrier after the die carrier, the cope flask and the drag flask are combined.
A pushing mechanism is arranged below the die carrier and drives the sand mold to leave the molding machine.
The working process comprises the following steps:
1. The box closing is completed by driving the lower box bracket and the lower box auxiliary bracket to rise to the position where the lower sand box contacts with the lower plane of the template by the lower box lifting cylinder, communicating the sand inlet flange of the sand box of the lower sand box with the sand outlet flange of the sand barrel of the lower sand box, and simultaneously driving the upper box bracket and the upper box auxiliary bracket to descend to the position where the upper sand box contacts with the upper plane of the template by the upper box lifting cylinder.
2. And (3) sand injection, namely after the mold is closed, under the action of pressure gas, molding sand in the lower sand barrel enters the lower sand box through a sand injection channel, and molding sand in the upper sand barrel directly enters the upper sand box from the upper part of the upper sand box.
3. And (3) compacting molding sand, namely keeping the lower box lifting cylinder and the lower box bracket motionless after sand shooting, and compacting molding sand in the cope flask and the drag flask by reducing the strokes of the upper box auxiliary working cylinder and the lower box auxiliary lifting cylinder under the back pressure of pressure while the upper box lifting cylinder descends.
4. And the template box is taken out, namely the upper box lifting cylinder drives the upper box bracket to lift to the original position, and the lower box lifting cylinder drives the lower box bracket to descend to the original position, so that the template is separated from the upper sand box and the lower sand box, and the template carrier is driven by the template carrier driver to leave the modeling system area to finish template box.
5. The upper box lifting cylinder drives the upper box bracket and the upper box auxiliary bracket to descend so as to enable the lower box sand mold and the upper box sand mold to be combined.
And 6, after the mold is closed, the upper box lifting cylinder drives the upper box bracket to ascend, the upper box auxiliary working cylinder drives the upper box auxiliary bracket to keep motionless so as to separate the upper sand mold from the upper sand box, and meanwhile, the lower box auxiliary lifting cylinder drives the lower box auxiliary bracket and the lower sand box to descend to the original position, so that the mold release is completed.
7. And (3) taking the sand mould off line, namely driving the lower box bracket to descend by the lower box lifting cylinder so that the sand mould carried by the lower sand box and the transition frame are positioned on the same plane. The pushing mechanism drives the sand mold to leave the molding machine through the mold outlet transition frame. Thus, the molding of the box is completed.
8. And adjusting the height of the sand mold, namely adjusting the height of the lower sand mold through a lower box auxiliary lifting cylinder on a lower box auxiliary bracket, and adjusting the height of the upper sand mold through an upper box auxiliary lifting cylinder on an upper box auxiliary bracket.
9. And (3) sliding out the lower core, placing the clay core, and determining whether to place the clay core according to the structural characteristics of a casting product in the actual molding process of the molding machine. The lower sand mold is slipped out of the central area of the molding machine system by a lower box slip-out mechanism 67 before the lower sand mold is released and then the sand core is placed. And then, continuing to finish the subsequent working processes such as combination and the like.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present utility model.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.