Casting machine capable of automatically pouring and demolding

Abstract

The utility model relates to the technical field of pouring machines, in particular to a pouring machine capable of automatically pouring and demolding. The device comprises a rack and a support rotationally connected to the rack, a mold is installed on the support, a pouring spoon installed on the support is arranged above a mold opening of the mold, one end of the pouring spoon is close to and aligned with the mold opening of the mold, and a driving mechanism used for driving the support to rotate is arranged between the rack and the support. An ejection mechanism for automatically ejecting and demolding a formed product is arranged between the mold and the bracket; after the prior art is improved, liquid raw materials are automatically poured into the mold, the situation that the liquid raw materials are splashed out of the edge is reduced, raw material waste is avoided, and the operation safety is improved; automatic demolding is achieved, manual operation is not needed, and meanwhile efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pouring machine technical field especially relates to a kind of pouring machine of automatic irrigation and stripping. BACKGROUND

[0002] Pouring machine is a kind of key equipment widely used in foundry field, for liquid raw material (such as metal, resin etc.) is injected into mould to form the shape and structure required.

[0003] For example, the Chinese patent document with the authorization number CN207840105U discloses a kind of tiltable pouring machine, rack, multiple guide posts are arranged in the length direction of rack in rack, lower mould and upper mould are respectively slidably connected on guide post, first hydraulic cylinder is also arranged on the upper end of rack, the piston rod of first hydraulic cylinder is fixedly connected with upper mould, it further includes support frame, hinge support is arranged on both sides of support frame, support panel is rotatably connected on the upper side of support frame, rotating shaft is arranged on both sides of support panel, second hydraulic cylinder is hinged on one end of support frame, the piston rod of second hydraulic cylinder is hingedly arranged with the lower surface of support panel, rack is fixedly connected with support panel;The die gap between upper mould and lower mould can be inclined upward by the cooperation of second hydraulic cylinder and correction seat, so that the air between upper mould and lower mould is discharged along the gap between liquid raw material and die gap, the casting yield can be improved, and the occurrence of air hole formed by mixing of liquid and air, waste of raw material and burn injury phenomenon is reduced.But, after the angle of support panel is adjusted, liquid raw material is poured into liquid raw material from the die gap between upper mould and lower mould by staff or external feeding equipment and flows into the gap between upper mould and lower mould along die gap, since the die gap is usually relatively small, staff or external feeding equipment is easy to splash out of edge when pouring liquid raw material, not only leading to waste of raw material, but also easy to produce safety hidden trouble;In addition, after mold opening, the product after solidification needs to be taken out by staff climbing stairs and with the help of pliers and other tools, it is time-consuming and laborious, and the temperature of just formed mould is relatively high, manual taking out is easy to appear scalding and other accidents.

[0004] Therefore, it is necessary to improve the deficiencies of the above prior art. SUMMARY

[0005] The utility model solves the technical problems in the prior art that the die gap is usually relatively small, staff or external feeding equipment is easy to splash out of edge when pouring liquid raw material, leading to waste of raw material and safety hidden trouble, and the product after solidification needs to be taken out by staff climbing stairs and with the help of pliers and other tools after mold opening, it is time-consuming and laborious, and the temperature of just formed mould is relatively high, manual taking out is easy to appear scalding and other accidents.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pouring machine of automatic irrigation and demolding, including frame and support rotation connection on the frame, install mould on the support, the mould mouth top of mould is equipped with the irrigation spoon installed on the support, one end of irrigation spoon is close to and aims at the mould mouth, be equipped with the drive mechanism that can drive support relative frame rotation in the set angle range between frame and support.

[0007] Adopt the technical scheme, when need to pour liquid raw material into mould, first through the control drive mechanism makes support relative frame rotation to maximum set angle, in this process, support drives irrigation spoon and mould together and inclines, makes the opening of irrigation spoon from vertical state gradually turns to horizontal state.This time, the staff or external loading equipment can pour liquid raw material into irrigation spoon, then, control drive mechanism again, make support slowly drive irrigation spoon and mould gradually restore to initial position.In this process, liquid raw material will flow from irrigation spoon into the mould mouth of mould and finally enter the inside of mould.Adopt this first pour liquid raw material into the irrigation spoon of opening larger, then through the way of slow inclination irrigation spoon, can make liquid raw material flow into the inside of mould steadily.This not only reduces the situation that liquid raw material splashes out of edge, avoids raw material waste, also improves the security of operation, realizes automatic irrigation liquid raw material to the inside of mould.

[0008] The further setting of the above technical scheme is that the drive mechanism comprises a rotating disc fixedly installed on both sides of the support, a rotating shaft arranged on the side of the rotating disc, and a first hydraulic cylinder, the movable end of the first hydraulic cylinder is rotationally connected with the rotating shaft, the other end is rotationally connected with the frame, and the rotating disc is rotationally connected with the frame.

[0009] Adopt the technical scheme, when need to control support rotation, start the first hydraulic cylinder through the control terminal to make its movable end push or pull the rotating shaft, the rotating shaft drives the rotating disc, and the rotating disc drives the support to rotate relative to the frame. By accurately controlling the stroke and extension speed of the movable end of the first hydraulic cylinder, the rotation angle and speed of the support can be accurately adjusted.

[0010] The further setting of the above technical scheme is that the rotating disc is circumferentially provided with an annular groove, and a plurality of roller bearings matched with the annular groove are installed on the side of the frame close to the rotating disc.

[0011] Adopt the technical scheme, the rollers of the roller bearings installed on the frame are clamped into the annular groove of the rotating disc, which not only can bear the load in the vertical direction of the rotating disc, but also can significantly reduce the friction coefficient, so that the support rotates more smoothly.

[0012] The further setting of the technical scheme is that the irrigation spoon is provided with an irrigation nozzle at the end close to the mold, and the irrigation nozzle is close to the mold port.

[0013] The technical scheme is adopted, the irrigation nozzle is arranged on the irrigation spoon, and the irrigation nozzle is aligned and close to the mold port, so that the liquid raw material can be guided to flow into the inside from the mold port more accurately, and the possibility of spilling the liquid raw material from the edge is further reduced.

[0014] The further setting of the technical scheme is that the mold comprises a first mold fixedly installed at one end of a support and a second mold movably installed on the support, a plurality of guide rods are arranged between the two ends of the support, a movable plate is slidably connected to the guide rods, the second mold is fixedly installed on the movable plate close to the first mold, a second hydraulic cylinder is fixedly installed at the end of the support away from the first mold, the movable end of the second hydraulic cylinder is fixedly connected with the movable plate, and the second mold and the movable plate are provided with an ejection mechanism capable of ejecting and falling off the formed product from the second mold during the process of moving the second mold away from the first mold.

[0015] The technical scheme is adopted, the movable end of the second hydraulic cylinder is controlled to extend to drive the movable plate and the second mold to move close to the first mold to realize mold closing, and the movable end of the second hydraulic cylinder is controlled to retract to open the mold; when the mold is opened, the second hydraulic cylinder drives the movable end to move to a set position and then continue to move to trigger the ejection mechanism to eject and fall off the formed product from the second mold, at this time, a collecting frame or a conveying belt device can be placed below the falling position of the formed product to transfer to the next process, so that automatic demolding is realized without manual operation, and the efficiency and safety are improved.

[0016] The further setting of the technical scheme is that the ejection mechanism comprises a movable groove arranged on the side of the second mold close to the movable plate and an ejection plate installed in the movable groove, the ejection plate has an activity gap in the movable groove, a plurality of ejection rods are arranged on the side of the ejection plate away from the movable plate, the second mold is provided with ejection holes matched with the ejection rods, a push rod penetrating the movable plate is connected to the side of the ejection plate close to the movable plate, a limiting piece penetrating the movable plate is detachably connected to the side of the ejection plate close to the movable plate, a limiting boss is arranged at the end of the limiting piece away from the ejection plate, and a return spring is arranged outside the limiting piece with one end abutting against the limiting boss and the other end abutting against the movable plate.

[0017] The technical scheme is adopted, in the mold opening process, when the movable end of the second hydraulic cylinder is retracted, the movable plate and the second mold are driven away from the first mold, at this time, the push rod gradually approaches and abuts against the side surface of the support, the second hydraulic cylinder continues to pull the movable plate to move, the push rod pushes the ejection plate to approach the second mold in the movable groove, and the ejection rod is driven to extend into the second mold, so that the molded product is ejected from the second mold and falls off, and in this process, the return spring is compressed.

[0018] The further arrangement of the technical scheme is that the push rod, the limiting piece and the return spring are arranged in two groups symmetrically on the upper and lower ends of the ejection plate.

[0019] The technical scheme is adopted, in the mold opening process, when the movable end of the second hydraulic cylinder is retracted, the movable plate and the second mold are driven away from the first mold, at this time, the push rod gradually approaches and abuts against the side surface of the support, the second hydraulic cylinder continues to pull the movable plate to move, the push rod pushes the ejection plate to approach the second mold in the movable groove, and the ejection rod is driven to extend into the second mold, so that the molded product is ejected from the second mold and falls off, and in this process, the return spring is compressed.

[0020] The further arrangement of the technical scheme is that the first mold is provided with a third hydraulic cylinder at the bottom, the movable end of the third hydraulic cylinder is connected with a third mold, and the third mold is in sliding connection with the first mold.

[0021] The technical scheme is adopted, in the mold opening process, when the movable end of the second hydraulic cylinder is retracted, the movable plate and the second mold are driven away from the first mold, at this time, the push rod gradually approaches and abuts against the side surface of the support, the second hydraulic cylinder continues to pull the movable plate to move, the push rod pushes the ejection plate to approach the second mold in the movable groove, and the ejection rod is driven to extend into the second mold, so that the molded product is ejected from the second mold and falls off, and in this process, the return spring is compressed.

[0022] The further arrangement of the technical scheme is that the support is provided with a fourth hydraulic cylinder at the side close to the first mold, the movable end of the fourth hydraulic cylinder is connected with a pin shaft, the side surface of the first mold is provided with an avoiding hole through which the pin shaft can pass, the third mold is provided with a pin hole, and the pin shaft can be inserted into the pin hole after the mold closing.

[0023] The technical scheme is adopted, in the mold opening process, when the movable end of the second hydraulic cylinder is retracted, the movable plate and the second mold are driven away from the first mold, at this time, the push rod gradually approaches and abuts against the side surface of the support, the second hydraulic cylinder continues to pull the movable plate to move, the push rod pushes the ejection plate to approach the second mold in the movable groove, and the ejection rod is driven to extend into the second mold, so that the molded product is ejected from the second mold and falls off, and in this process, the return spring is compressed.

[0024] The utility model discloses the beneficial effect reached is: realized automatic irrigation liquid raw material to the inside of mould, not only reduced the liquid raw material splash edge case, avoided raw material waste, also improved the security of operation, realized automatic demoulding, need not manual operation, improves the efficiency and security simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the structure diagram of the utility model embodiment Figure 1 ;

[0026] Figure 2 It is the structure diagram of the utility model embodiment Figure 2 ;

[0027] Figure 3 It is Figure 2 The partial view of A in

[0028] Figure 4 It is the related structure explosion schematic view of the ejection mechanism in the utility model embodiment

[0029] Figure 5 It is the related structure explosion schematic view of the mould in the utility model embodiment.

[0030] Mark in drawing: 1 - frame, 2 - support, 21 - carousel, 210 - annular groove, 22 - rotating shaft, 23 - first hydraulic cylinder, 24 - roller bearing, 25 - guide rod, 26 - second hydraulic cylinder, 27 - third hydraulic cylinder, 28 - fourth hydraulic cylinder, 281 - pin shaft, 3 - mould, 31 - first mould, 310 - avoiding hole, 32 - second mould, 320 - movable slot, 321 - ejection hole, 33 - third mould, 330 - pin hole, 4 - irrigation spoon, 41 - irrigation nozzle, 5 - movable plate, 6 - ejection plate, 61 - ejection rod, 62 - push rod, 63 - limiting piece, 631 - limiting boss, 7 - return spring. DETAILED DESCRIPTION

[0031] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts are within the protection scope of the utility model.

[0032] For example Figures 1-3As shown in the figure, a pouring machine capable of automatic pouring and demolding comprises a frame 1 and a support 2 rotatably connected to the frame 1, a mold 3 is installed on the support 2, a pouring spoon 4 is installed above the mold gate of the mold 3, one end of the pouring spoon 4 is close to and aligned with the mold gate of the mold 3, a driving mechanism capable of driving the support 2 to rotate relative to the frame 1 within a set angle range is arranged between the frame 1 and the support 2, the driving mechanism comprises a rotating disc 21 fixedly installed on the two side surfaces of the support 2, a rotating shaft 22 arranged on the side surface of the rotating disc 21, and a first hydraulic cylinder 23, the movable end of the first hydraulic cylinder 23 is rotatably connected with the rotating shaft 22, the other end is rotatably connected with the frame 1, the rotating disc 21 is rotatably connected with the frame 1, the rotating disc 21 is circumferentially provided with an annular groove 210, a plurality of roller bearings 24 matched with the annular groove 210 are installed on the side of the frame 1 close to the rotating disc 21, the end of the pouring spoon 4 close to the mold 3 is provided with a pouring nozzle 41, and the pouring nozzle 41 is close to the side of the mold gate of the mold 3.

[0033] As shown in the figure, Figure 1 , 2 As shown in the figure, the mold 3 comprises a first mold 31 fixedly installed at one end of the support 2 and a second mold 32 movably installed on the support 2, a plurality of guide rods 25 are arranged between the two ends of the support 2, a movable plate 5 is slidably connected to the guide rods 25, the second mold 32 is fixedly installed on the side of the movable plate 5 close to the first mold 31, a second hydraulic cylinder 26 is fixedly installed at the end of the support 2 away from the first mold 31, the movable end of the second hydraulic cylinder 26 is fixedly connected with the movable plate 5, and the second mold 32 and the movable plate 5 are provided with an ejection mechanism capable of ejecting and falling off the molded product from the second mold 32 in the process of moving the second mold 32 away from the first mold 31.

[0034] As shown in the figure, Figure 4 The ejection mechanism comprises an active groove 320 arranged on the side of the second mold 32 close to the movable plate 5 and an ejection plate 6 installed in the active groove 320, the ejection plate 6 has an active gap in the active groove 320, a plurality of ejection rods 61 are arranged on the side of the ejection plate 6 away from the movable plate 5, the second mold 32 is provided with ejection holes 321 matched with the ejection rods 61, a push rod 62 penetrating through the movable plate 5 is connected to the side of the ejection plate 6 close to the movable plate 5, a limiting piece 63 penetrating through the movable plate 5 is detachably connected to the side of the ejection plate 6 close to the movable plate 5, the end of the limiting piece 63 away from the ejection plate 6 is provided with a limiting boss 631, a return spring 7 having one end abutting against the limiting boss 631 and the other end abutting against the movable plate 5 is sleeved on the limiting piece 63, the push rod 62, the limiting piece 63 and the return spring 7 are arranged in two groups symmetrically on the upper and lower ends of the ejection plate 6, and the limiting piece 63 is detachably connected with the ejection plate 6 by using a hexagonal bolt.

[0035] As shown in the figure, Figure 5As shown in the figure, the bottom of the first mold 31 is mounted with a third hydraulic cylinder 27, the movable end of which is connected with a third mold 33, which is in sliding connection with the first mold 31. The side of the bracket 2 close to the first mold 31 is mounted with a fourth hydraulic cylinder 28, the movable end of which is connected with a pin shaft 281. The side of the first mold 31 is provided with an avoiding hole 310 through which the pin shaft 281 can pass. The third mold 33 is provided with a pin hole 330, into which the pin shaft 281 can be inserted after the molds are closed.

[0036] In the above embodiment, when it is needed to pour liquid raw material into the mold 3, first, the bracket 2 is rotated relative to the frame 1 to the maximum set angle by controlling the driving mechanism. In this process, the bracket 2 drives the pouring ladle 4 and the mold 3 to tilt, so that the opening of the pouring ladle 4 gradually changes from the vertical state to the horizontal state. At this time, the staff or external feeding equipment can pour liquid raw material into the pouring ladle 4, and then the driving mechanism is controlled again to slowly drive the bracket 2, the pouring ladle 4 and the mold 3 to gradually return to the initial position. In this process, the liquid raw material will slowly flow from the pouring ladle 4 into the mold port of the mold 3 and finally into the inside of the mold 3. By this way of first pouring liquid raw material into the pouring ladle 4 with a larger opening and then slowly tilting the pouring ladle 4, the liquid raw material can be smoothly poured into the inside of the mold 3. In this way, not only the situation of liquid raw material splashing out of the edge is reduced, the raw material waste is avoided, but also the operation safety is improved, and the automatic pouring of liquid raw material into the mold 3 is realized. The molds are closed by controlling the movable end of the second hydraulic cylinder 26 to extend to drive the movable plate 5 and the second mold 32 to approach the first mold 31, and the molds are opened by controlling the movable end of the second hydraulic cylinder 26 to retract. When the molds are opened, the second hydraulic cylinder 26 drives the movable end to move to the set position and then continues to move to trigger the ejection mechanism to eject the formed product from the second mold 32 and make it fall off. At this time, a collecting frame or a conveying belt device can be placed below the falling-off position of the formed product to transfer to the next process, so that the automatic demolding is realized without manual operation, and the efficiency and safety are improved.

Claims

1. An automatic pouring and stripping casting machine comprising a frame and a support pivotally connected to the frame, a mold being mounted on the support, characterized in that: The mold spout is provided with a pouring ladle installed on the support, one end of the pouring ladle is close to and aligned with the mold spout, and the support and the frame are provided with a driving mechanism capable of driving the support to rotate relative to the frame within a set angle range.

2. A casting machine capable of automatic casting and demolding according to claim 1, characterized in that: The driving mechanism comprises a rotating disc fixedly installed on the two side surfaces of the support, a rotating shaft provided on the side surface of the rotating disc, and a first hydraulic cylinder, the movable end of the first hydraulic cylinder is rotationally connected with the rotating shaft, the other end is rotationally connected with the frame, and the rotating disc is rotationally connected with the frame.

3. A casting machine capable of automatic casting and demolding according to claim 2, characterized in that: The rotating disc is circumferentially provided with an annular groove, and the frame is provided on the side close to the rotating disc with a plurality of roller bearings matched with the annular groove.

4. A casting machine capable of automatic casting and demolding according to claim 3, characterized in that: The end of the pouring ladle close to the mold is provided with a pouring nozzle, and the pouring nozzle is close to one side of the mold spout.

5. A casting machine capable of automatic casting and demolding according to any one of claims 1-4, characterized in that: The mold comprises a first mold fixedly installed at one end of the support and a second mold movably installed on the support, a plurality of guide rods are arranged between the two ends of the support, the guide rods are slidably connected with a movable plate, the second mold is fixedly installed on the side of the movable plate close to the first mold, a second hydraulic cylinder is fixedly installed at the end of the support away from the first mold, the movable end of the second hydraulic cylinder is fixedly connected with the movable plate, and the second mold and the movable plate are provided with an ejection mechanism capable of ejecting and falling off the formed product from the second mold during the process of moving the second mold away from the first mold.

6. A casting machine capable of automatic casting and demolding according to claim 5, characterized in that: The ejection mechanism comprises a movable groove provided on the side of the second mold close to the movable plate and an ejection plate installed in the movable groove, the ejection plate has an active gap in the movable groove, a plurality of ejection rods are provided on the side of the ejection plate away from the movable plate, the second mold is provided with ejection holes matched with the ejection rods, a push rod penetrating the movable plate is connected to the side of the ejection plate close to the movable plate, a limiting piece penetrating the movable plate is detachably connected to the side of the ejection plate close to the movable plate, the end of the limiting piece away from the ejection plate is provided with a limiting boss, and a return spring is provided outside the limiting piece, one end of the return spring abuts against the limiting boss, and the other end abuts against the movable plate.

7. A casting machine capable of automatic casting and demolding according to claim 6, characterized in that: The push rod, the limiting piece and the return spring are arranged in two groups symmetrically at the upper and lower ends of the ejection plate.

8. A casting machine capable of automatic casting and demolding according to claim 6, characterized in that: The bottom of the first mold is provided with a third hydraulic cylinder, the movable end of the third hydraulic cylinder is connected with a third mold, and the third mold is slidably connected with the first mold.

9. An automatic pour and demoulding casting machine according to claim 8, characterized in that: The side of the first mold is provided with an avoiding hole capable of allowing the pin shaft to pass through, the third mold is provided with a pin hole, and the pin shaft can be inserted into the pin hole after the mold is closed.

Images