Ejecting mechanism capable of rotating by 90 degrees and facilitating coring

Abstract

The utility model discloses a 90-degree rotation push-out mechanism convenient for coring, which comprises a base and a working table, mould components are symmetrically arranged above the base, the working table is arranged between the two mould components, a first fixed frame and a movable frame are arranged on the upper surface of the base, the left mould component is arranged on the first fixed frame, and the right mould component is arranged on the movable frame. And the right mold assembly is installed on the movable frame, the mold assembly comprises a supporting plate, a mold hanging plate, an installation frame and a third fixing frame, and a cooling assembly used for conducting heat dissipation on the solidified sand core is arranged on the upper end face of the mold hanging plate. According to the utility model, the right side mold assembly can perform transverse displacement to form dislocation with the left side mold assembly, so that on one hand, an operator can conveniently take a core and place a loose piece, the scalding risk is reduced, and on the other hand, the clamping risk is effectively eliminated after dislocation and separation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film-coated sand shell core technology field especially relates to a 90 degree rotation push-out mechanism of core taking conveniently. BACKGROUND

[0002] Shell core machine is the equipment that makes film-coated sand shell core using hot core box process. Its working process is to complete sand filling and compaction at the same time, and the film-coated sand is solidified in the hot core box, which reduces labor intensity, is flexible and easy to operate, is easy to master, uses electric heating, temperature can be automatically controlled, and working place is easy to keep clean, which creates conditions for mechanization and automation of the core-making process. A cycle period only needs ten to dozens of seconds, and the sand core for casting can be produced. The sand core manufactured by the core shooting machine is accurate in size and smooth in surface. It is widely used in the casting industry. The traditional shell core machine separates the mold during the core-making process, and then takes down the sand core, which is very inconvenient to take the core and install the movable block after the movable and static molds are separated, and there is a safety risk of scalding and clamping the operator.

[0003] After retrieval, the utility model patent file with the announcement number CN213002511U discloses a shell core machine, which comprises a rack, a sand shooting assembly, a sand hopper lifting assembly, a mold assembly, a mold pushing assembly and an electric heating device arranged on the mold assembly, further comprises a track assembly, the mold assembly is arranged on the track assembly, the mold pushing assembly is connected with the mold assembly for pushing the mold assembly to slide on the track assembly, and a rotating mechanism is connected with the track assembly for driving the track assembly to rotate around its own track as an axis.

[0004] The above-mentioned shell core machine has the following problems:

[0005] 1. The above-mentioned shell core machine can only make the mold assembly move horizontally for core-making, the core-making method is relatively single, it is not easy to take and place the solidified sand core, and it is inconvenient for subsequent mold installation.

[0006] 2. After the above-mentioned shell core machine completes core-making, the surface temperature of the sand core is high, which is easy to scald the operator. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a 90 degree rotation push-out mechanism of core taking conveniently, which can make the mold assembly move out of the core-making station and facilitate taking and placing the solidified sand core.

[0008] The utility model adopts the following technical scheme:

[0009] A convenient 90° rotating ejection mechanism for core extraction includes a base and a worktable. Mold assemblies are symmetrically arranged above the base, and the worktable is positioned between the two mold assemblies. A first fixed frame and a movable frame are provided on the upper surface of the base. The mold assembly on the left is mounted on the first fixed frame, and the mold assembly on the right is mounted on the movable frame.

[0010] The mold assembly includes a support plate, a mold hanging plate, a mounting frame, and a third fixing frame. The upper surface of the mold hanging plate is provided with a cooling component for dissipating heat from the cured sand core.

[0011] The cooling component includes a heat dissipation frame, symmetrically arranged supports and telescopic sleeves. A heat dissipation plate and a mounting plate are fixedly installed inside the heat dissipation frame. Both the heat dissipation plate and the mounting plate have an inclined surface and a horizontal surface, and the inclination angle of the inclined surface is 45°.

[0012] Optionally, the first fixed frame is fixed to the base, and a second slide rail for moving the movable frame is installed on the upper surface of the base. The slider in the second slide rail is fixed to the movable frame. A second fixed frame is provided on the right side of the movable frame and is fixed to the base.

[0013] Optionally, a U-shaped support frame is symmetrically arranged between the second fixed frame and the movable frame. A first slide rail corresponding to the support frame is symmetrically fixed on the left side of the second fixed frame. The slider in the first slide rail is fixed to the support frame, and the support frame is fixed to the movable frame.

[0014] Optionally, a first mounting bracket is fixedly installed on the left side of the second fixed frame, a first hydraulic cylinder is fixedly installed inside the first mounting bracket, and a fixed seat is fixedly installed on the outer side of the movable frame at a position corresponding to the piston rod of the first hydraulic cylinder, and the fixed seat is fixed to the piston rod of the first hydraulic cylinder.

[0015] Optionally, the third fixed frame is fixedly installed on the outer side of the movable frame, and a second hydraulic cylinder is fixedly installed on the outer side of the third fixed frame, with the piston rod of the second hydraulic cylinder fixed to the mounting frame.

[0016] Optionally, the mounting frame is fixedly mounted on the outer side of the support plate, a bearing is fixedly mounted on the surface of the support plate, and a rotating shaft penetrating the support plate is fixedly mounted on the inner ring of the bearing.

[0017] Optionally, the mold mounting plate is fixedly installed on the outer end face of the rotating shaft, a gear one is fixedly installed on the surface of the rotating shaft located inside the mounting frame, a gear two that meshes with the gear one is rotatably installed inside the mounting frame, and a drive motor whose output shaft is fixed to the gear two is fixedly installed on the outer side of the mounting frame.

[0018] Optionally, the support is fixedly mounted on the upper end face of the mold hanging plate by bolts, and a rotating shaft is rotatably mounted between the two supports. A stepper motor with an output shaft fixed to the rotating shaft is fixedly mounted on the outer side of one of the supports.

[0019] Optionally, a connecting seat is symmetrically fixed on the surface of the rotating shaft, and the two ends of the telescopic sleeve are respectively fixed to the upper end face of the connecting seat and the lower end face of the heat dissipation frame.

[0020] Optionally, several electric fans are fixedly installed on both the inclined and horizontal surfaces of the mounting plate. The air outlets of the electric fans are oriented opposite to the heat sink. The wind force generated by the several electric fans is the same. A partition is fixed on the horizontal surface of the mounting plate.

[0021] In summary, this utility model has the following beneficial effects:

[0022] 1. In this utility model, the right mold assembly can be laterally displaced to form a misalignment with the left mold assembly. On the one hand, this makes it easier for operators to remove the core and place the movable block, reducing the risk of burns. On the other hand, the misalignment effectively eliminates the risk of pinching injuries.

[0023] 2. In this utility model, a stepper motor drives the rotating shaft to rotate 90° so that the heat dissipation frame reaches the side of the mold. Then, an electric fan is used to cool the sand core on the mold, further reducing the risk of burns to workers. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0025] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0026] Figure 3 This is a partial structural diagram of the present invention. Figure 1 ;

[0027] Figure 4 This is a partial structural diagram of the present invention. Figure 2 ;

[0028] Figure 5 This is a schematic diagram of the mold assembly of this utility model. Figure 1 ;

[0029] Figure 6 This is a schematic diagram of the mold assembly of this utility model. Figure 2 ;

[0030] Figure 7 This is a cross-sectional view of the mold assembly of this utility model;

[0031] Figure 8 This is a schematic diagram of the cooling component of this utility model;

[0032] Figure 9 This is a schematic diagram of the structure of this utility model;

[0033] Figure 10 This is a schematic diagram of the structure of this utility model.

[0034] In the diagram, 1. Base; 2. Mold assembly; 3. Workbench; 4. Cooling assembly; 11. First fixed frame; 12. Movable frame; 121. Guide sleeve; 13. Second fixed frame; 131. First slide rail; 132. First mounting frame; 133. First hydraulic cylinder; 134. Fixed seat; 14. Second slide rail; 15. Support frame; 21. Support plate; 211. Guide shaft; 22. Mold hanging plate; 23. Third fixed frame; 24. Second hydraulic cylinder; 25. Mounting frame; 251. Drive motor; 252. Gear 1; 253. Gear 2; 26. Rotating shaft; 261. Bearing; 41. Support; 411. Stepper motor; 42. Rotating shaft; 43. Connecting seat; 44. Telescopic sleeve; 45. Heat dissipation frame; 46. Heat dissipation plate; 47. Mounting plate; 48. Electric fan. Detailed Implementation

[0035] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0036] Please see Figures 1-10 The present invention will now be described in detail with reference to the accompanying drawings and embodiments:

[0037] like Figures 1-3 As shown, a 90° rotating ejection mechanism for easy core extraction includes a base 1 and a worktable 3. Mold assemblies 2 are symmetrically arranged above the base 1, and the worktable 3 is positioned between the two mold assemblies 2. Among the two mold assemblies 2, the left mold assembly 2 is a stationary mold, and the right mold assembly 2 is a moving mold. The right mold assembly 2 can be laterally displaced to form a misalignment with the left mold assembly 2. On the one hand, this facilitates the operator in removing the core and placing the movable block, reducing the risk of burns. On the other hand, the misalignment effectively eliminates the risk of pinching injuries.

[0038] The mold assembly 2 includes a support plate 21, a mold hanging plate 22, an installation frame 25, and a third fixing frame 23. The mold hanging plate 22 is used to install the sand core mold. The upper end surface of the mold hanging plate 22 is provided with a cooling component 4 for dissipating heat from the cured sand core. The cooling component 4 is used to quickly cool the cured sand core, further reducing the risk of burns to workers.

[0039] like Figures 1-2As shown, the upper surface of the base 1 is provided with a first fixed frame 11 and a movable frame 12. The left mold assembly 2 is installed on the first fixed frame 11, and the right mold assembly 2 is installed on the movable frame 12.

[0040] like Figures 1-4 As shown, the first fixed frame 11 is fixed to the base 1 by bolts. A second slide rail 14 for moving the movable frame 12 is installed on the upper surface of the base 1. The slider in the second slide rail 14 is fixed to the movable frame 12. A second fixed frame 13 is provided on the right side of the movable frame 12. The second fixed frame 13 is fixed to the base 1 by bolts. A U-shaped support frame 15 is symmetrically arranged between the second fixed frame 13 and the movable frame 12. A first slide rail 131 corresponding to the support frame 15 is symmetrically fixed on the left side of the second fixed frame 13. The slider in the first slide rail 131 is fixed to the support frame 15. The support frame 15 is fixed to the movable frame 12. The movable frame 12 can move horizontally relative to the base 1 by the sliders in the first slide rail 131 and the second slide rail 14. The first slide rail 131 and the second slide rail 14 are existing technologies and will not be described in detail here.

[0041] like Figures 1-4 As shown, a first mounting bracket 132 is fixedly installed on the left side of the second fixed bracket 13. A first hydraulic cylinder 133 is fixedly installed inside the first mounting bracket 132. A fixed seat 134 is fixedly installed on the outer side of the movable bracket 12 at a position corresponding to the piston rod of the first hydraulic cylinder 133. The fixed seat 134 is fixed to the piston rod of the first hydraulic cylinder 133. The movable bracket 12 is driven to move horizontally by the first hydraulic cylinder 133.

[0042] like Figures 1-4 As shown, the third fixed frame 23 is fixedly mounted on the outer side of the movable frame 12 by bolts. A second hydraulic cylinder 24 is fixedly mounted on the outer side of the third fixed frame 23. The piston rod of the second hydraulic cylinder 24 is fixed to the mounting frame 25. The mounting frame 25 is moved by the second hydraulic cylinder 24 to make the molds on both sides close.

[0043] like Figures 3-7As shown, the mounting frame 25 is fixedly mounted on the outer side of the support plate 21. A bearing 261 is fixedly mounted on the surface of the support plate 21. A rotating shaft 26 passing through the support plate 21 is fixedly mounted on the inner ring of the bearing 261. The mold hanging plate 22 is fixedly mounted on the outer end face of the rotating shaft 26 by bolts. A gear 252 is fixedly mounted on the surface of the rotating shaft 26 located inside the mounting frame 25. A gear 253 meshing with the gear 252 is rotatably mounted inside the mounting frame 25. A drive motor 251 with an output shaft fixed to the gear 253 is fixedly mounted on the outer side of the mounting frame 25. The drive motor 251 drives the gear 253 to rotate, which in turn causes the gear 252 to drive the rotating shaft 26 to rotate. Then, the rotating shaft 26 drives the mold hanging plate 22 to rotate.

[0044] Specifically, after the sand core is made, the molds on both sides are separated and reset. Then, the first hydraulic cylinder 133 drives the movable frame 12 to slide, so that the mold on that side is moved above the worktable 3. Then, the drive motor 251 drives the mold to rotate to pick up the sand core. This can greatly improve the safety of core picking and effectively avoid the risk of operator injury.

[0045] like Figures 3-5 As shown, two sets of mutually symmetrical guide shafts 211 are symmetrically fixed on the surface of the support plate 21. The guide shafts 211 pass through the movable frame 12 and are slidably engaged. A guide sleeve 121 is fixedly installed on the outer side of the movable frame 12, which is sleeved on the surface of the guide shafts 211. The guide shafts 211 and the guide sleeve 121 are slidably engaged to ensure the stability of the support plate 21 when it moves horizontally.

[0046] like Figures 8-10 As shown, the cooling component 4 includes a heat dissipation frame 45, symmetrically arranged supports 41 and telescopic sleeve 44. The supports 41 are fixedly mounted on the upper end face of the mold hanging plate 22 by bolts. A rotating shaft 42 is rotatably arranged between the two supports 41. A stepper motor 411 with an output shaft fixed to the rotating shaft 42 is fixedly mounted on the outer side of one of the supports 41.

[0047] like Figures 8-10 As shown, a connecting seat 43 is symmetrically fixed on the surface of the rotating shaft 42. The two ends of the telescopic sleeve 44 are fixed to the upper end face of the connecting seat 43 and the lower end face of the heat dissipation frame 45, respectively. The two telescopic rods in the telescopic sleeve 44 are fixed in position by bolts. When adjustment is required, the extension can be adjusted manually.

[0048] like Figures 8-10As shown, a heat sink 46 and a mounting plate 47 are fixedly installed inside the heat sink frame 45. Both the heat sink 46 and the mounting plate 47 have an inclined surface and a horizontal surface. The inclination angle of the inclined surface is 45°. Several electric fans 48 are fixedly installed on both the inclined surface and the horizontal surface of the mounting plate 47. The air outlets of the electric fans 48 are oriented to correspond to the heat sink 46, and the air force generated by these electric fans 48 is the same. A partition is fixed on the horizontal surface of the mounting plate 47.

[0049] Specifically, when the heat sink 46, mounting plate 47 and heat sink frame 45 are combined, two air chambers are formed, one horizontal air chamber and one inclined air chamber. After the sand core is processed, the stepper motor 411 drives the rotating shaft 42 to rotate 90°, so that the heat sink frame 45 reaches the side of the mold. Then, the electric fan 48 is used to cool the sand core on the mold.

[0050] Furthermore, at this time, the horizontal fan 48 generates a horizontal wind that flows along the surface of the mold, while the inclined fan 48 generates an inclined wind with a certain vertical component. The combination of the two can expand the heat dissipation area, enhance the coverage of the airflow, and improve the cooling effect on the mold and the sand core.

[0051] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0052] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes said element.

[0053] The foregoing description illustrates and describes several preferred embodiments of this application. However, as previously stated, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the application concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this application should be within the protection scope of the appended claims.

Claims

1. A 90° rotation push-out mechanism for easy coring, characterized in that: The utility model provides a sand core curing device, including base (1) and workbench (3), the upper symmetry of base (1) is provided with mould assembly (2), workbench (3) is arranged between two mould assembly (2), the upper surface of base (1) is provided with first fixed frame (11) and movable frame (12), left mould assembly (2) is installed on first fixed frame (11), right mould assembly (2) is installed on movable frame (12), The mould assembly (2) includes a support plate (21), a mould hanging plate (22), an installation frame (25), and a third fixed frame (23), the upper end surface of the mould hanging plate (22) is provided with a cooling assembly (4) for cooling the cured sand core, The cooling assembly (4) includes a heat dissipation frame (45), symmetrically arranged supports (41), and an extension sleeve rod (44), the heat dissipation frame (45) is fixedly provided with a heat dissipation plate (46) and an installation plate (47) inside, the heat dissipation plate (46) and the installation plate (47) each have an inclined surface and a horizontal surface, and the inclination angle of the inclined surface is 45°.

2. A 90° rotation push-out mechanism for easy coring according to claim 1, characterized in that: The first fixed frame (11) is fixed to the base (1), the upper surface of the base (1) is provided with a second sliding rail (14) for moving the movable frame (12), the sliding block in the second sliding rail (14) is fixed to the movable frame (12), the right side of the movable frame (12) is provided with a second fixed frame (13), and the second fixed frame (13) is fixed to the base (1).

3. A 90° rotation push-out mechanism for easy coring according to claim 2, characterized in that: The second fixed frame (13) and the movable frame (12) are symmetrically provided with a U-shaped support frame (15) between the upper and lower sides, the left side of the second fixed frame (13) is symmetrically fixedly provided with a first sliding rail (131) corresponding to the support frame (15), the sliding block in the first sliding rail (131) is fixed to the support frame (15), and the support frame (15) is fixed to the movable frame (12).

4. A 90° rotation push-out mechanism for easy coring according to claim 3, characterized in that: The left side of the second fixed frame (13) is fixedly provided with a first installation frame (132), the first installation frame (132) is fixedly provided with a first hydraulic cylinder (133) inside, the outer side of the movable frame (12) is fixedly provided with a fixed seat (134) at a position corresponding to the piston rod of the first hydraulic cylinder (133), and the fixed seat (134) is fixed to the piston rod of the first hydraulic cylinder (133).

5. A 90° push-out mechanism for easy coring according to claim 1, characterized in that: The third fixed frame (23) is fixedly provided on the outer side of the movable frame (12), the outer side of the third fixed frame (23) is fixedly provided with a second hydraulic cylinder (24), and the piston rod of the second hydraulic cylinder (24) is fixed to the installation frame (25).

6. A 90° push-out mechanism for easy coring according to claim 1, characterized in that: The installation frame (25) is fixedly provided on the outer side of the support plate (21), the surface of the support plate (21) is fixedly provided with a bearing (261), and the inner ring of the bearing (261) is fixedly provided with a rotating shaft (26) penetrating through the support plate (21).

7. A 90° rotation push-out mechanism for easy coring according to claim 6, characterized in that: The mold hanging plate (22) is fixedly installed on the outer end surface of the rotating shaft (26), the surface of the rotating shaft (26) is fixedly provided with gear one (252) in the installation frame (25), the installation frame (25) is rotatably provided with gear two (253) engaged with gear one (252), and the outer side surface of the installation frame (25) is fixedly provided with the driving motor (251) with the output shaft fixedly connected with gear two (253).

8. A 90° push-out mechanism for easy coring according to claim 1, characterized in that: The support (41) is fixedly arranged on the upper end surface of the mold hanging plate (22) through bolts, the rotating shaft (42) is rotatably arranged between the two supports (41), and the stepping motor (411) with the output shaft fixedly connected with the rotating shaft (42) is fixedly arranged on the outer side surface of the one side support (41).

9. A 90° rotation push-out mechanism for easy coring according to claim 8, characterized in that: The surface of the rotating shaft (42) is fixedly provided with the connecting seat (43) in a symmetrical mode, and the two ends of the telescopic sleeve rod (44) are fixedly connected with the upper end surface of the connecting seat (43) and the lower end surface of the heat dissipation frame (45) respectively.

10. A 90° rotation push-out mechanism for easy coring according to claim 9, characterized in that: The inclined surface and the horizontal surface of the mounting plate (47) are fixedly provided with a plurality of electric fans (48), the air inlets of the electric fans (48) are correspondingly arranged to face the heat dissipation plate (46), the wind forces generated by the plurality of electric fans (48) are the same, and the horizontal surface of the mounting plate (47) is fixedly provided with the partition plate.

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