CN209773404U

CN209773404U - Core shooting machine with sand scraping mechanism

Info

Publication number: CN209773404U
Application number: CN201920385024.1U
Authority: CN
Inventors: 赵远; 张煜; 周楚繁; 惠昨非
Original assignee: WUXI BANGDE MACHINERY CO Ltd
Current assignee: WUXI BANGDE MACHINERY CO Ltd
Priority date: 2019-03-25
Filing date: 2019-03-25
Publication date: 2019-12-13
Anticipated expiration: 2029-03-25

Abstract

the utility model discloses a core shooter with sand scraping mechanism belongs to the core shooter field, aims at providing a core shooter on self-cleaning mould case surface, and its technical scheme main points are including the frame, rack-mounted shooting box, the drive actuating cylinder that control shooting box removed, connect the mould case in the frame bottom, its characterized in that: the shooting box is connected and is equipped with scraping mechanism, scraping mechanism is including connecting backup pad, the drive assembly who rotates the scraper blade of connecting in the backup pad bottom in shooting box one side, be used for connecting shooting box and backup pad, drive assembly includes driving motor of fixed connection on the shooting box lateral wall, connects the axis of rotation on driving motor, connects and rotate epaxial actuating arm, actuating arm and keep away from connecting rod, the drive block of connection below the connecting rod that driving motor one side rotated the connection, the utility model has the advantages of clearance mould case surface after the shooting.

Description

Core shooting machine with sand scraping mechanism

Technical Field

The utility model relates to a core shooting machine field, in particular to core shooting machine with sand scraping mechanism.

Background

In the casting industry, sand mold production is more and more extensive, especially mechanical molding operation, a large amount of sand coated by iron molds is adopted for core making, common core making equipment is a core shooter, the core shooter has the advantages of saving the cost of the sand cores, good ventilation of the sand cores, smooth surface of castings with low gas evolution, high precision, good mechanical performance and the like, and the core shooter has the working principle that a core sand mixture which takes liquid or solid thermosetting resin as a binder is shot into a core box mold box, and the core sand is taken out after being hardened in the mold box to obtain the core.

Chinese patent No. CN109175265A discloses an automatic core shooter, which comprises a frame and a workbench providing a place for forming cores, the upper portion of workstation is equipped with the air feeder that supplies the sand device of core sand and be used for providing the reaction atmosphere of core sand solidification for the workstation, air feeder includes the mechanism body frame of blowing and establishes the air feed power portion on the mechanism body frame of blowing, mechanism body frame bottom of blowing is provided with the gas pushing plate, the gas pushing plate includes first gas pushing plate and second gas pushing plate, first gas pushing plate sets up in second gas pushing plate top, a cavity has between first gas pushing plate and the second gas pushing plate, the cavity links to each other with external air source, the cavity sets up with the workstation cooperation, it links to each other through the sealed activity of return part between first gas pushing plate and the second gas pushing plate, first gas pushing plate links to each other with air feed power portion, have on the second gas pushing plate with a plurality of through-holes that the cavity cooperation set up.

Although the gas blown into the core sand can be controlled to be more uniform, in the practical use process, after injection molding is finished each time, residual sand is left above the core injection mold box, on one hand, the residual sand remains to cause uncleanness of the surface of the mold box, and on the other hand, the residual sand can fall onto the sand core when the mold box is opened to influence the quality of a sand core finished product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a core shooting machine with sand scraping mechanism has the advantage of the automatic surplus sand of clearance mould case upper surface after shooting at every turn.

The above technical purpose of the present invention can be achieved by the following technical solutions:

The utility model provides a core shooting machine with scraping mechanism, includes the frame, installs shooting box in the frame, controls the drive actuating cylinder that the shooting box removed, connects the mould case in the frame bottom, its characterized in that: the shooting box is connected and is equipped with scraping mechanism, scraping mechanism is including connecting backup pad, the drive assembly who rotates the scraper blade of connecting in the backup pad bottom in shooting box one side, the backup pad that is used for connecting shooting box and backup pad, drive assembly includes that driving motor, the axis of rotation of connection on driving motor, the connecting rod of connection in the epaxial actuating arm of rotation, actuating arm of rotation keep away from driving motor one side rotation connection, articulate the driving block who keeps away from actuating arm one end at the connecting rod on the driving motor lateral wall, driving block below and backup pad fixed connection, be equipped with two limiting plates on the shooting box lateral wall, driving block sliding connection is between two limiting plates, be equipped with spacing subassembly on the backup pad lateral wall.

Through adopting above-mentioned technical scheme, drive assembly work on the mechanism of scraping is driven and is reciprocated with the scraper blade that the backup pad rotation is connected, after shooting the sand, drive assembly work, driving motor drives the axis of rotation and rotates, thereby make the connecting rod on the actuating arm rotate, it slides from top to bottom to drive the drive block between two limiting plates, drive block below fixed connection's backup pad downstream thereupon, the scraper blade of connecting below the backup pad is contradicted at mould case upper surface, under spacing subassembly's pulling, move along with the cylinder drive, thereby produce the effect of scraping sand to mould case surface.

Further, the connecting rod is arranged on one side, away from the shooting box, of the limiting plate.

By adopting the technical scheme, the connecting rod rotates around the driving arm, so that the driving block rotationally connected with the connecting rod moves up and down.

Furthermore, the upper end and the lower end of the limiting plate are respectively provided with a stop block, and the driving block is arranged between the upper stop block and the lower stop block.

Through adopting above-mentioned technical scheme, the dog is used for restricting the displacement formation of the vertical direction of drive block, prevents that the drive block from sliding out the spacing distance that the limiting plate can be spacing in vertical direction, makes the drive block slide between the limiting plate all the time.

Furthermore, the side wall of the shooting box is fixedly connected with a telescopic shaft, and the bottom of the telescopic shaft is fixedly connected with the side wall of the supporting plate.

Through adopting above-mentioned technical scheme, connect through the telescopic shaft between backup pad and the shooting case, make the backup pad slide to be fixed on the shooting case, the telescopic shaft plays the guide effect on the one hand, makes the backup pad along the motion of telescopic shaft direction, and the one hand provides the pulling force to the backup pad, prevents that the backup pad from droing.

Further, spacing subassembly is including rotating the rotor arm of connection on the backup pad lateral wall, setting up at two lugs on the rotor arm surface, setting up the arm that resets of keeping away from backup pad one side at the rotor arm, two the lug is located the top and the below of arm that resets respectively, two the lug all contradicts on the arm lateral wall that resets, arm one end that resets is rotated and is connected on the backup pad lateral wall, the connection of arm other end top that resets is equipped with the spring, spring top fixed connection is in the backup pad.

Through adopting above-mentioned technical scheme, when the scraper blade is at the during operation, scraper blade slope contact mould case surface can produce bigger frictional force to mould case surface, thereby make the better quilt of surplus sand on mould case surface scrape off, the spacing subassembly that sets up between backup pad and the scraper blade, make the scraper blade after conflicting mould case surface, be the slope setting under the effect of frictional force, the rotor arm rotates along with the scraper blade this moment, lug on the rotor arm is conflicted on the arm that resets, make the arm that resets and backup pad be connected one end and take place to rotate, the other end is tensile makes the spring elongate, after the work of scraping sand, under the drive of spring, rotor arm and the arm that resets reset, the scraper blade resumes vertical direction.

Furthermore, the two lugs are arranged in a staggered mode in the vertical direction.

Through adopting above-mentioned technical scheme, the rotor arm is when not taking place to rotate, and the lug bottom is contradicted on the arm that resets, and when the rotor arm took place to rotate, the lug produced the power of contradicting to the arm that resets at once, makes the arm that resets take place to rotate, and when the sand scraping was over, spring work drove the arm that resets and resets, and the lug that makes to be located the arm top that resets is contradicted on the arm that resets, drives the rotor arm and takes place to reset, is the lug of crisscross setting when the rotor arm rotates.

Furthermore, two limiting assemblies are symmetrically arranged in the length direction of the supporting plate.

Through adopting above-mentioned technical scheme, spacing subassembly sets up in backup pad bilateral symmetry, makes the scraper blade take place to rotate under the even atress condition.

Furthermore, the reset arm is perpendicular to the rotating arm.

By adopting the technical scheme, the reset arm and the rotating arm are always vertically arranged, when the rotating arm changes the angle, the reset arm changes the angle immediately, and when the sand scraping is finished, the reset arm drives the rotating arm to reset.

Furthermore, one side of the rotating arm, which is far away from the supporting plate, is fixedly connected with the scraper.

Through adopting above-mentioned technical scheme, the rotor arm rotates and drives the scraper blade of being connected with rotor arm bottom fixed connection and take place to rotate.

to sum up, the utility model discloses following beneficial effect has:

1. Through the arrangement of the driving assembly, the effects of driving the scraper to move up and down, moving the scraper down when the scraper works and retracting the scraper after the scraper works can be achieved;

2. Through the arrangement of the limiting plate, the effect of enabling the scraper to vertically move along the arrangement direction of the limiting plate can be achieved;

3. through the setting of spacing subassembly, the rotor arm after the work can play takes place the effect that resets under the effect of the arm spring that resets.

Drawings

FIG. 1 is a schematic overall view of a core shooter with a sand scraping mechanism in an embodiment;

FIG. 2 is an enlarged view at A in FIG. 1;

Fig. 3 is an enlarged view at B in fig. 1.

In the figure, 1, a frame; 11. a shooting box; 12. a driving cylinder; 13. a mold box; 2. a sand scraping mechanism; 21. a support plate; 22. a squeegee; 3. a drive assembly; 31. a drive motor; 32. a rotating shaft; 33. a drive arm; 34. a connecting rod; 35. a drive block; 36. a limiting plate; 37. a stopper; 4. a limiting component; 41. a rotating arm; 42. a bump; 43. a reset arm; 44. a spring; 5. a telescopic shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

A core shooting machine with a scraping mechanism is shown in figure 1 and comprises a frame 1, a shooting box 11 installed on the frame 1, a driving air cylinder 12 for controlling the shooting box 11 to move, and a mold box 13 connected to the bottom of the frame 1, wherein the shooting box 11 is driven by the driving air cylinder 12 to approach the mold box 13, and sand shooting and injection molding are carried out in the mold box 13 right above the mold box 13.

as shown in fig. 1 and 2, after the shooting is finished, the scraping mechanism 2 works, the scraping mechanism 2 comprises a support plate 21 connected to one side of the shooting box 11, a scraping plate 22 rotatably connected to the bottom of the support plate 21, and a driving assembly 3 for connecting the shooting box 11 with the support plate 21, the driving assembly 3 comprises a driving motor 31 fixedly connected to the side wall of the shooting box 11, a rotating shaft 32 connected to the driving motor 31, a driving arm 33 connected to the rotating shaft 32, a connecting rod 34 rotatably connected to one side of the driving arm 33 far away from the driving motor 31, and a driving block 35 connected below the connecting rod 34, the left side and the right side of the driving block 35 are respectively provided with a limiting plate 36, and the driving assembly 3 can play a role in buffering the.

as shown in fig. 1 and 2, the driving motor 31 works to drive the rotating shaft 32 to rotate, so that the driving arm 33 connected with the rotating shaft 32 rotates, the connecting rod 34 drives the driving block 35 to move in the vertical direction at the two limiting plates 36, the upper end and the lower end of each limiting plate 36 are respectively provided with a stop 37, the stop 37 is used for limiting the driving block 35, the driving block 35 is prevented from being separated from the limiting plates 36, and the lower part of the driving block 35 is fixedly connected with the supporting plate 21.

As shown in fig. 1 and 2, the driving block 35 moves along the vertical direction of the limiting plate 36 to drive the supporting plate 21 to move up and down, when the sand shooting is finished, the scraper 22 is required to work, the supporting plate 21 makes the scraper 22 rotating at the bottom of the supporting plate 21 move downwards along the direction of the telescopic shaft 5 to abut against the upper surface of the mold box 13, at this time, the telescopic shaft 5 stretches, and under the driving of the driving cylinder 12, the sand shooting box 11 moves towards the direction far away from the mold box 13, so that the scraper 22 scrapes the upper surface of the mold box 13.

As shown in fig. 1 and 3, the scraping effect of the scraper 22 obliquely arranged in the scraping process on the upper surface of the mold box 13 is more remarkable, the scraper 22 is required to be restored to be vertically arranged after the scraping is finished, the scraper is convenient to pack up, the side wall of the support plate 21 is provided with the limiting component 4, and the limiting component 4 is used for enabling the scraper 22 to return to the initial position after the scraping is finished.

As shown in fig. 1 and 3, the position limiting assembly 4 includes a rotating arm 41 rotatably connected to the side wall of the supporting plate 21, two protrusions 42 disposed on the surface of the rotating arm 41, and a reset arm 43 disposed on the side of the rotating arm 41 away from the supporting plate 21, the reset arm 43 is rotatably connected to the side wall of the supporting plate 21, the other side of the reset arm 43 is connected to the supporting plate 21 through a spring 44, the protrusions 42 are respectively disposed on the upper and lower sides of the reset arm 43, and the two protrusions 42 and the reset arm 43 are both disposed in an abutting manner.

As shown in fig. 1 and 3, the upper side of the scraper 22 is rotatably connected with the bottom of the support plate 21, when the scraper 22 works on the upper surface of the mold box 13, the scraper 22 inclines, at this time, the scraper 22 generates a better sand scraping force under the pulling action of the spring 44, the rotating arm 41 which is vertically arranged with the reset arm 43 is driven to rotate along with the scraper 22, the lug 42 is abutted against the reset arm 43, the reset arm 43 is driven to rotate around the position which is rotatably connected with the support plate 21, and thus the spring 44 at the other end of the reset arm 43 is stretched.

As shown in fig. 1 and 3, when the scraping is finished, the bottom of the scraper 22 is far away from the upper surface of the mold box 13, the spring 44 is reset, so that the reset arm 43 is restored to the horizontal position, the lug 42 above the reset arm 43 is subjected to the force of the reset arm 43, the rotating arm 41 is driven to rotate around the bottom of the support arm to be reset, so that the rotating arm 41 drives the scraper 22 to be restored to the vertical position, the limit components 4 are respectively provided with a group on two sides of the support plate 21, uniform restoring force is generated on the scraper 22, the scraping is finished at this moment, the scraper 22 is driven by the drive component 3 to move upwards and is folded, the scraper moves upwards along the direction of the telescopic shaft 5, and the telescopic shaft. One side of the mold box 13 is separated under the driving of the air cylinder, and a worker can take out the mold from the mold box 13.

The specific implementation process comprises the following steps: when the shooting of the shooting box 11 is finished, the driving motor 31 acts to drive the rotating shaft 32 to rotate, so that the driving arm 33 connected with the rotating shaft 32 works, the driving arm 33 drives the connecting rod 34 to rotate, so that the driving block 35 connected with the connecting rod 34 drives the supporting plate 21 to move downwards along the vertical direction of the limiting plate 36, the scraping plate 22 connected below the supporting plate 21 is abutted against the upper surface of the mold box 13, the driving cylinder 12 drives the lower scraping plate 22 to move along with the shooting box 11 to incline, the upper surface of the mold box 13 is scraped, at the moment, the rotating arm 41 rotates along with the scraping plate 22, the resetting arm 43 arranged perpendicular to the rotating arm 41 rotates around one end fixed with the supporting plate 21, the spring 44 at the other end stretches, when the scraping is finished, the friction force is not applied below the scraping plate 22, the spring 44 drives the resetting arm 43 to reset, so that the convex block 42 arranged on the rotating arm 41 is applied with force, thereby drive scraper blade 22 and resume vertical direction setting, under driving motor 31 drives, drive block 35 rises along limiting plate 36 direction, and backup pad 21 contracts along 5 directions of telescopic shaft, drives scraper blade 22 and packs up.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a core shooting machine with sand scraping mechanism, includes frame (1), install shooting box (11) in frame (1), drive actuating cylinder (12) that control shooting box (11) removed, connects mould case (13) in frame (1) bottom, its characterized in that: the sand scraping mechanism (2) is connected to the shooting box (11), the sand scraping mechanism (2) comprises a support plate (21) connected to one side of the shooting box (11), a scraper (22) rotatably connected to the bottom of the support plate (21), and a driving component (3) used for connecting the shooting box (11) and the support plate (21), the driving component (3) comprises a driving motor (31) fixedly connected to the side wall of the shooting box (11), a rotating shaft (32) connected to the driving motor (31), a driving arm (33) connected to the rotating shaft (32), a connecting rod (34) rotatably connected to one side of the driving arm (33) far away from the driving motor (31), and a driving block (35) hinged to one end of the connecting rod (34) far away from the driving arm (33), the lower part of the driving block (35) is fixedly connected with the support plate (21), and two limit plates (36) are arranged on the side wall, the driving block (35) is connected between the two limiting plates (36) in a sliding mode, and the side wall of the supporting plate (21) is provided with a limiting component (4).

2. A core shooting machine with a shakeout mechanism as claimed in claim 1, characterized in that: the connecting rod (34) is arranged on one side of the limiting plate (36) far away from the shooting box (11).

3. A core shooting machine with a shakeout mechanism as claimed in claim 2, characterized in that: the upper end and the lower end of the limiting plate (36) are respectively provided with a stop block (37), and the driving block (35) is arranged between the upper stop block and the lower stop block (37).

4. A core shooting machine with a shakeout mechanism as claimed in claim 3, characterized in that: the side wall of the sand shooting box (11) is fixedly connected with a telescopic shaft (5), and the bottom of the telescopic shaft (5) is fixedly connected with the side wall of the supporting plate (21).

5. A core shooting machine with a shakeout mechanism as claimed in claim 1, characterized in that: spacing subassembly (4) including rotate rotor arm (41), two lug (42), the setting of connecting on backup pad (21) lateral wall are kept away from backup pad (21) one side at rotor arm (41) surperficial, are set up reset arm (43) of backup pad (21) one side at rotor arm (41), two lug (42) are located the top and the below of resetting arm (43) respectively, two lug (42) all contradict on arm (43) lateral wall that resets, arm (43) one end that resets is rotated and is connected on backup pad (21) lateral wall, arm (43) other end top that resets is connected and is equipped with spring (44), spring (44) top fixed connection is on backup pad (21).

6. A core shooting machine with a shakeout mechanism according to claim 5, characterized in that: the two lugs (42) are arranged in a staggered mode in the vertical direction.

7. a core shooting machine with a shakeout mechanism according to claim 6, characterized in that: two limiting assemblies (4) are symmetrically arranged in the length direction of the supporting plate (21).

8. A core shooting machine with a shakeout mechanism according to claim 7, characterized in that: the reset arm (43) is perpendicular to the rotating arm (41).

9. A core shooting machine with a shakeout mechanism as claimed in claim 8, wherein: the rotating arm (41) is far away from the support plate (21) and is fixedly connected with the scraper (22).