Core shooter
Technical Field
The utility model relates to the technical field of core shooting machines, in particular to a core shooting machine.
Background
The core shooter for casting production is widely applied to casting industry, and the working principle is that core sand mixture taking liquid or solid thermosetting resin as binder is shot into a heated core box, the sand core is preheated in the core box and quickly hardened to a certain thickness, and then taken out, so that a high-quality sand core finished product with smooth surface and accurate size is formed.
After the casting is formed, the upper die and the lower die are separated, the formed casting is positioned in the casting cavity of the lower die, the casting cavity of the lower die is a concave groove, the casting is embedded in the groove, and workers need to take out the formed casting from the groove in time to continue production, so that the production efficiency is influenced, and the production is inconvenient.
Disclosure of utility model
The present utility model is directed to a core shooter, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the utility model provides a core shooter, which comprises the following technical scheme:
the top end of the workbench is fixedly connected with a mounting frame;
The core shooter body is fixedly arranged at the top end of the mounting frame;
The driving mechanism is arranged on the mounting frame and is connected with the upper die;
The positioning ejection mechanism is arranged on the workbench, a lower die is arranged on the positioning ejection mechanism, and the upper die and the lower die are mutually matched.
Preferably, the driving mechanism includes:
The air cylinders are symmetrically and fixedly arranged at the top end of the mounting frame;
The mounting panel, the output of cylinder all is connected with the mounting panel transmission, go up mould fixed mounting in the bottom of mounting panel.
Preferably, the positioning ejection mechanism includes:
The top end of the workbench is provided with a sliding groove, the sliding groove is connected with the inner cavity of the sliding groove in a sliding and penetrating mode, and the lower die is symmetrically and fixedly connected to the top end of the sliding groove;
the positioning plates are fixedly connected to two sides of the workbench, and the cross section of each positioning plate is C-shaped;
the ejector plate is arranged in the lower die in a sliding manner;
The inner part of the sliding block is provided with an adjusting groove, one end of the ejector rod is connected with the inner cavity of the adjusting groove in a sliding penetrating way, and the other end of the ejector rod penetrates through the lower die and is fixedly connected with the ejector plate;
One end of the fixed rod is fixedly connected with the inner wall of the adjusting groove, and the other end of the fixed rod is connected with the inner cavity of the ejector rod in a sliding penetrating way;
And the compression spring is sleeved outside the fixed rod.
Preferably, one end of the compression spring is fixedly connected with the ejector rod, and the other end of the compression spring is fixedly connected with the inner wall of the adjusting groove.
Preferably, the positioning ejection mechanism further comprises:
the clamping plate is arranged in the adjusting groove in a sliding manner and is connected with the inner cavity of the positioning plate in a sliding and penetrating manner;
The limiting block is fixedly connected to the outer wall of the clamping plate, a limiting groove is formed in one side of the inner wall of the adjusting groove, and the limiting block is connected with the inner cavity of the limiting groove in a sliding penetrating mode;
The gear is rotatably arranged in the adjusting groove through the rotating shaft;
The racks are fixedly connected to one side, opposite to the clamping plate, of the ejector rod at equal intervals, and are connected with the gears in a meshed mode.
Preferably, the bottom of the clamping plate is provided with a groove, and the inside of the groove is rotationally provided with a roller for being attached to the inner wall of the chute.
The utility model has the technical effects and advantages that:
According to the utility model, by means of the arrangement mode of the driving mechanism, the upper die, the positioning ejection mechanism and the lower die, two lower dies matched with the upper die are arranged on the positioning ejection mechanism, after the molding of a casting is completed through one lower die and the upper die, the other lower die can be rapidly positioned and switched by the positioning ejection mechanism to continue production, and meanwhile, the molded casting can be ejected, so that the production efficiency is improved, the downtime caused by taking out the casting is avoided, the production process is more continuous and stable, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall front internal structure of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.
In the figure, 1, a workbench; 2, a mounting frame, 3, a core shooting machine main body, 4, a driving mechanism, 41, an air cylinder, 42, a mounting plate, 5, an upper die, 6, a positioning ejection mechanism, 61, a sliding block, 62, a positioning plate, 63, an ejection plate, 64, an ejection rod, 65, a fixed rod, 66, a compression spring, 67, a clamping plate, 68, a limiting block, 69, a gear, 610, a rack, 611, a roller, 7 and a lower die.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model provides a core shooter as shown in fig. 1-2, which comprises a workbench 1, a core shooter main body 3, a driving mechanism 4, an upper die 5, a positioning ejection mechanism 6 and a lower die 7, wherein the top end of the workbench 1 is fixedly connected with a mounting frame 2, the core shooter main body 3 is fixedly arranged at the top end of the mounting frame 2, the driving mechanism 4 is arranged on the mounting frame 2, the driving mechanism 4 is connected with the upper die 5, the positioning ejection mechanism 6 is arranged on the workbench 1, the positioning ejection mechanism 6 is provided with the lower die 7, the upper die 5 is matched with the lower die 7, after the forming of a casting is finished through one lower die 7 and the upper die 5, the other lower die 7 can be rapidly positioned and switched through the positioning ejection mechanism 6, the formed casting can be ejected, the production efficiency is improved, the shutdown time caused by taking out the casting is avoided, the production process is more continuous and stable, and the use is convenient.
The actuating mechanism 4 includes cylinder 41 and mounting panel 42, and cylinder 41 symmetry fixed mounting is in the top of mounting bracket 2, and the output of cylinder 41 all is connected with mounting panel 42 transmission, and go up mould 5 fixed mounting in the bottom of mounting panel 42 can drive the last mould 5 on the mounting panel 42 through cylinder 41 and carry out the displacement on the vertical direction, be convenient for cooperate or separate with different bed die 7. When the casting is required to be formed, the air cylinder 41 pushes the mounting plate 42 and the upper die 5 to move downwards, the mounting plate 42 and the upper die 5 are closely attached to the corresponding lower die 7, the casting forming process is started, and when the casting is completed, the air cylinder 41 drives the mounting plate 42 and the upper die 5 to move upwards, and the mounting plate is separated from the lower die 7, so that a space is reserved for switching the next lower die 7 or performing other operations.
Example two
On the basis of the first embodiment, as shown in fig. 3, the positioning ejection mechanism 6 comprises a sliding block 61, a positioning plate 62, an ejection plate 63, an ejection rod 64, a fixing rod 65, a compression spring 66, a clamping plate 67, a limiting block 68, a gear 69 and a rack 610, wherein a sliding groove is formed in the top end of the workbench 1, the sliding block 61 is connected with the inner cavity of the sliding groove in a sliding and penetrating manner, the lower die 7 is symmetrically and fixedly connected to the top end of the sliding block 61, the positioning plate 62 is fixedly connected to the two sides of the workbench 1, the section of the positioning plate 62 is in a C shape, the ejection plate 63 is slidably arranged in the lower die 7, an adjusting groove is formed in the slider 61, one end of the ejection rod 64 is slidably connected with the inner cavity of the adjusting groove in a penetrating manner, the other end of the ejection rod 64 passes through the lower die 7 and the ejection plate 63 in a sliding manner, one end of the fixing rod 65 is fixedly connected with the inner wall of the adjusting groove in a sliding manner, the other end of the fixing rod 65 is slidably connected with the inner cavity of the ejection rod 64 in a penetrating manner, the compression spring 66 is sleeved outside the fixing rod 65, one end of the compression spring 66 is fixedly connected with the ejection rod 64 in a penetrating manner with the inner cavity of the clamping plate 67, the other end of the clamping plate 67 is fixedly connected with the inner cavity of the rack 67 in a sliding and is rotatably connected with the inner wall of the limiting block 68, and the inner wall of the fixing plate 67 is fixedly connected with the rack 67 in a sliding and is fixedly connected with the inner wall of the limiting block 68 through the inner wall of the limiting block 67. After the lower die 7 below the upper die 5 completes the molding of the casting, the ejector plate 63 in the other lower die 7 can be pressed, so that the ejector rod 64 can slide downwards, the gear 69 is driven to rotate through the rack 610, the clamping plate 67 is contracted to the inside of the sliding block 61 under the limit of the limit block 68, the lower die 7 can be switched through the normal sliding block 61 at the moment, and meanwhile, when the lower die 7 for molding the casting is contacted with the inner wall of the other positioning plate 62, the casting can be ejected out under the elastic acting force of the compression spring 66, and the clamping plate 67 and the inner cavity of the positioning plate 62 are clamped, so that the positioning is realized, the production efficiency is improved, the downtime caused by taking out the casting is avoided, the production process is more continuous and stable, and the use is convenient.
Further, the bottom of the clamping plate 67 is provided with a groove, the roller 611 is rotatably arranged in the groove and used for being attached to the inner wall of the chute, the roller 611 prevents the clamping plate 67 from being directly attached to the inner wall of the chute, and the service life of the clamping plate 67 is prolonged.
It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.