CN111745146A - Automatic core taking mechanism for casting loam core - Google Patents
Automatic core taking mechanism for casting loam core Download PDFInfo
- Publication number
- CN111745146A CN111745146A CN202010715856.2A CN202010715856A CN111745146A CN 111745146 A CN111745146 A CN 111745146A CN 202010715856 A CN202010715856 A CN 202010715856A CN 111745146 A CN111745146 A CN 111745146A
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- China
- Prior art keywords
- core
- casting
- automatic
- fixed frame
- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
Abstract
The invention discloses an automatic core taking mechanism for casting a loam core, which comprises a casting machine, an automatic core taking mechanism and a fixed support, wherein one end of the fixed support is fixedly connected to the side end of the casting machine, the automatic core taking mechanism is movably arranged on the upper surface of the fixed support, a fixed frame is fixedly arranged in the automatic core taking mechanism, a second positioning rod is rotatably welded on the inner side surface of one end of the fixed frame, a screw rod is movably clamped on the inner side surface of the other end of the fixed frame, a first positioning rod is welded on the inner side surface of one end of the fixed frame and positioned at the edge of the screw rod, a rotating ring is welded on one end of the screw rod, core taking rods are sleeved on the outer surfaces of the first positioning rod, the second positioning rod and the screw rod, a core taking plate is welded on one end of the core. The invention can change the distance between the coring rods, and is convenient for automatically coring the sand cores with various sizes.
Description
Technical Field
The invention relates to the technical field of diesel engine mold sand core casting equipment, in particular to an automatic core taking mechanism for casting sand cores.
Background
In the casting process, firstly, a sand mold is manufactured according to the shape of a part, a cavity consistent with a part blank is formed in the sand mold, and then molten iron is poured to obtain the part blank. Some parts are inside to be hollow mechanism, consequently need put the loam core in a position in sand mould die cavity, if the loam core position puts inaccurately, then can cause the foundry goods unqualifiedly, the loam core can use the automatic mechanism of coring after the casting is accomplished, take out the loam core from the mould is inside, and the automatic mechanism of coring of current diesel engine casting loam core, simple structure function is single, can not carry out self-regulation according to the size of loam core, the not fine user demand that satisfies people, so need be used for the automatic mechanism of coring of casting loam core, in order to solve the problem that proposes in the aforesaid.
Disclosure of Invention
The present invention aims to provide an automatic core-picking mechanism for casting loam cores to solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic core taking mechanism for casting a loam core comprises a casting machine, an automatic core taking mechanism and a fixed support, wherein one end of the fixed support is fixedly connected to the side end of the casting machine, the automatic core taking mechanism is movably mounted on the upper surface of the fixed support, a fixed frame is fixedly mounted inside the automatic core taking mechanism, one end face of the fixed frame is fixedly connected with a driving motor, one end of the driving motor is fixedly connected with a gear, a second positioning rod is welded on the inner side face of one end of the fixed frame in a rotating mode, a screw rod is movably clamped on the inner side face of the other end of the fixed frame, a first positioning rod is welded on the inner side face of one end of the fixed frame and positioned at the edge of the screw rod, a rotating ring is welded on one end of the screw rod, a core taking rod is sleeved on the outer surfaces of the first positioning rod, the fixed support is characterized in that the edges of four corners of the bottom surface of the fixed support are fixedly connected with cylinders, the outer side surface of the bottom end of each cylinder is fixedly connected with a limiting clamping block, limiting sliding grooves are formed in the edges of two sides of the top surface of the fixed support, and a toothed rail is formed in the center of the top surface of the fixed support.
Preferably, the air cylinder is connected with the upper surface of the fixed support in a sliding manner through a limiting sliding groove, and a limiting clamping block on the outer side surface of the bottom end of the air cylinder is clamped with the inner side surface of the bottom end inside the limiting sliding groove in a sliding manner.
Preferably, the driving motor is meshed and connected with a rack at the center of the upper surface of the fixed support through a gear at one end.
Preferably, the threads on the outer surface of the screw are arranged in a centrosymmetric manner.
Preferably, the rotating ring is spirally connected with the side surfaces of the two groups of core rods in a through manner through a screw rod.
Preferably, the bottom surface of the fixing frame is smooth, and the two groups of core rods on the outer surface of the screw rod are installed in a centrosymmetric mode.
Compared with the prior art, the invention has the following beneficial effects:
the invention can keep the synchronous movement of the cylinder and the fixed frame through the sliding connection of the cylinder and the upper surface of the fixed bracket through the limiting chute, and the limiting fixture block at the outer side surface of the bottom end of the cylinder is in sliding clamping connection with the inner side surface at the inner bottom end of the limiting chute, so as to be convenient for supporting the fixed frame, the driving motor is meshed and connected with the rack rail at the center of the upper surface of the fixed bracket through the gear at one end, so as to drive the fixed frame to move back and forth and transversely, so as to drive the sand core to be separated from the inside of the mould, the threads on the outer surface of the screw rod are arranged in central symmetry, so that two groups of core taking rods can move towards or away from the outer surface of the screw rod at the same time by the same distance, thereby changing the distance between the two groups of core taking rods, automatically taking the sand cores with different, therefore, the screw rod can be conveniently controlled by the worker, the bottom surface of the fixing frame is smooth, and the fixing frame can be conveniently moved transversely back and forth.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural diagram of an automatic core-picking mechanism of the present invention;
fig. 3 is a schematic structural view of the fixing bracket of the present invention.
In the figure: 1-casting machinery, 2-automatic core taking mechanism, 3-fixed support, 4-core taking plate, 5-swivel, 6-first locating rod, 7-core taking rod, 8-second locating rod, 9-driving motor, 10-gear, 11-cylinder, 12-limit block, 13-fixed frame, 14-screw, 15-limit chute and 16-rack.
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.
Referring to fig. 1-3, an embodiment of the present invention is shown: an automatic core taking mechanism for casting a sand core comprises a casting machine 1, an automatic core taking mechanism 2 and a fixed support 3, one end of the fixed support 3 is fixedly connected to the side end of the casting machine 1, the automatic core taking mechanism 2 is movably mounted on the upper surface of the fixed support 3, a fixed frame 13 is fixedly mounted inside the automatic core taking mechanism 2, one end face of the fixed frame 13 is fixedly connected with a driving motor 9, one end of the driving motor 9 is fixedly connected with a gear 10, a second positioning rod 8 is welded on the inner side face of one end of the fixed frame 13 in a rotating mode, a screw 14 is movably clamped on the inner side face of the other end of the fixed frame 13, a first positioning rod 6 is welded on the inner side face of one end of the fixed frame 13 and positioned at the edge of the screw 14, a rotating ring 5 is welded on one end of the screw 14, a core taking rod 7 is sleeved on the outer surfaces of the first positioning, the bottom four corners of the fixed frame 13 are fixedly connected with the air cylinders 11, the bottom outer side of the air cylinder 11 is fixedly connected with the limiting fixture blocks 12, the top two side edges of the fixed frame 3 are both provided with limiting chutes 15, the top center of the fixed frame 3 is provided with racks 16, the air cylinder 11 is connected with the upper surface of the fixed frame 3 through the limiting chutes 15 in a sliding way, the limiting fixture blocks 12 on the bottom outer side of the air cylinder 11 are connected with the inner side of the bottom inside of the limiting chutes 15 in a sliding way, so that the air cylinder 11 and the fixed frame 13 can be kept in synchronous movement, the fixed frame 13 can be conveniently supported, the driving motor 9 is meshed and connected with the racks 16 at the center of the upper surface of the fixed frame 3 through the gear 10 at one end, the fixed frame 13 can be driven to transversely move back and forth, so that the loam cores are driven to be separated from the inside of the mold, the threads on the, thereby can change the distance between two sets of core bars 7 of getting, carry out the automation to not unidimensional loam core and get the core, and fine satisfying people's user demand, swivel 5 passes through screw rod 14 and two sets of side looks spiral through connection who gets core bar 7, thereby can be convenient for the staff to control screw rod 14, the bottom surface of mount 13 is smooth form, the horizontal round trip movement of mount 13 of can being convenient for, driving motor 9 and cylinder 11 and computer control's system program all belong to prior art, so do not specifically introduce here.
The cylinder 11 is connected with the upper surface of the fixed support 3 through the limiting sliding groove 15 in a sliding mode, the limiting clamping block 12 on the outer side surface of the bottom end of the cylinder 11 is connected with the inner side surface of the bottom end inside the limiting sliding groove 15 in a sliding mode, the driving motor 9 is connected with the toothed rail 16 at the center of the upper surface of the fixed support 3 through the gear 10 at one end in a meshing mode, threads on the outer surface of the screw rod 14 are arranged in a central symmetry mode, the rotating ring 5 is connected with the side surfaces of the two groups of core taking rods 7 through the screw rod 14 in a spiral penetrating mode, the bottom surface of the fixed frame 13 is in a smooth.
The working principle is as follows: after the mold casts the sand core, the sand core is ejected out, then a worker starts a driving motor 9 to drive a gear 10 to rotate on the upper surface of a fixed support 3, a fixed frame 13 is driven to transversely move, meanwhile, the fixed frame 13 drives an air cylinder 11 on the bottom surface to transversely move, a limiting clamping block 12 on the outer side surface of the air cylinder 11 can transversely move in a limiting sliding groove 15, when the fixed frame 13 moves, two groups of core taking rods 7 on the upper surface can be driven to transversely move, a core taking plate 4 at one end of the core taking rod 7 can be inserted below the sand core, the driving motor 9 can stop driving the gear 10 to rotate, the air cylinder 11 can upwards push the fixed frame 13 to ascend, the sand core plate 4 at one end of the core taking rod 7 can support the sand core through the fixed frame 13 to be separated from the mold, then the gear 10 can be controlled and started by a computer system program, and reversely drives the gear 10 to rotate on the upper, pulling the fixing frame 13 to transversely move to restore the initial position, and the coring rod 7 on the upper surface of the fixing frame 13 drives the clay core to be far away from the upper part of the mold through the coring plate 4, thereby completing the automatic coring of the clay core, when the automatic coring is performed on the clay cores with different sizes, the automatic coring mechanism 2 needs to be adjusted, the distance between the two groups of coring rods 7 is changed, when the adjustment is performed, the rotating ring 5 is firstly rotated to drive the screw rod 14 to rotate above one end of the fixing frame 13, and the two groups of coring rods 7 simultaneously move in opposite directions or far away from the same distance under the rotation of the centrosymmetric threads on the outer surface of the screw rod 14, when the distance between the two groups of coring rods 7 needs to be reduced, the rotating ring 5 is rotated in the forward direction to drive the screw rod 14 to rotate, when the distance force between the two groups of coring rods 7 needs to be enlarged, the rotating ring 5 is rotated in the reverse direction to, the automatic coring device can automatically core the cores of different sizes and well meet the use requirements of people.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic mechanism of coring for casting loam core, includes casting machinery (1), automatic mechanism (2) and fixed bolster (3) of coring, its characterized in that: one end of the fixed support (3) is fixedly connected to the side end of the casting machine (1), the automatic core taking mechanism (2) is movably mounted on the upper surface of the fixed support (3), a fixed frame (13) is fixedly mounted inside the automatic core taking mechanism (2), a driving motor (9) is fixedly connected to one end face of the fixed frame (13), a gear (10) is fixedly connected to one end of the driving motor (9), a second positioning rod (8) is welded to the inner side face of one end of the fixed frame (13) in a rotating mode, a screw rod (14) is movably clamped to the inner side face of the other end of the fixed frame (13), a first positioning rod (6) is welded to the inner side face of one end of the fixed frame (13) and is located at the edge of the screw rod (14), a rotating ring (5) is welded to one end of the screw rod (14), a core taking rod (7) is sleeved on the outer surfaces of the first positioning rod, the core taking plate (4) is welded at one end of the core taking rod (7), the air cylinders (11) are fixedly connected to the four corner edges of the bottom surface of the fixing frame (13), the limiting clamping blocks (12) are fixedly connected to the outer side surface of the bottom end of the air cylinders (11), the limiting sliding grooves (15) are formed in the edges of the two sides of the top surface of the fixing support (3), and the toothed rail (16) is formed in the center of the top surface of the fixing support (3).
2. An automatic core-picking mechanism for casting loaf cores according to claim 1, characterised in that: the air cylinder (11) is connected with the upper surface of the fixed support (3) in a sliding mode through the limiting sliding groove (15), and the limiting clamping block (12) on the outer side face of the bottom end of the air cylinder (11) is connected with the inner side face of the bottom end inside the limiting sliding groove (15) in a sliding mode.
3. An automatic core-picking mechanism for casting loaf cores according to claim 1, characterised in that: the driving motor (9) is meshed and connected with a rack (16) in the center of the upper surface of the fixed support (3) through a gear (10) at one end.
4. An automatic core-picking mechanism for casting loaf cores according to claim 1, characterised in that: the threads on the outer surface of the screw (14) are arranged in a centrosymmetric manner.
5. An automatic core-picking mechanism for casting loaf cores according to claim 1, characterised in that: the rotary ring (5) is spirally connected with the side surfaces of the two groups of core-taking rods (7) through a screw (14).
6. An automatic core-picking mechanism for casting loaf cores according to claim 1, characterised in that: the bottom surface of the fixed frame (13) is smooth, and the two groups of core taking rods (7) on the outer surface of the screw rod (14) are installed in a centrosymmetric mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715856.2A CN111745146A (en) | 2020-07-23 | 2020-07-23 | Automatic core taking mechanism for casting loam core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010715856.2A CN111745146A (en) | 2020-07-23 | 2020-07-23 | Automatic core taking mechanism for casting loam core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111745146A true CN111745146A (en) | 2020-10-09 |
Family
ID=72710396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010715856.2A Withdrawn CN111745146A (en) | 2020-07-23 | 2020-07-23 | Automatic core taking mechanism for casting loam core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111745146A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115502336A (en) * | 2022-11-18 | 2022-12-23 | 河北宇德机械有限公司 | Automatic change coring device |
-
2020
- 2020-07-23 CN CN202010715856.2A patent/CN111745146A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115502336A (en) * | 2022-11-18 | 2022-12-23 | 河北宇德机械有限公司 | Automatic change coring device |
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Application publication date: 20201009 |