A double-station two-way sand-covering machine

Abstract

The utility model relates to a double-station two-way moving sand covering machine, comprising two machine seats. After two sand boxes enter a drivable frame, the driving frame is placed on rollers in the frame, and the sand box is placed on the top of the driving frame. The first cylinder is started to drive the driving seat to slide through a fixed block. The driving seat and the driving frame are connected by a hook assembly, so as to drive the driving frame to slide on the rollers, which is used to move the sand box to the bottom of the sand falling assembly. The hydraulic rod is started to drive the height adjustment of the workbench. The workbench passes through the driving frame and lifts the sand box to fit and press it against the bottom of the sand falling assembly. The oil cylinder continues to move upward to push the sand box to contact and press the sand head. Then the sand shooting air valve is opened to fill the sand box with sand, so as to complete the sand shooting molding function. Therefore, the structure is compact and the floor space is small, and the investment is relatively small. The application range is wide, the labor intensity of workers is reduced, and it is safer. Automation is realized and work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of iron mold sand coating equipment, in particular to a double-station two-way moving out sand coating machine. Background Art

[0002] At present, in the production line that adopts the iron mold sand coating process for casting, each single-station sand coating machine must be matched with a roller conveyor line, which takes up space and requires huge investment. In particular, the popularization of automation lines is restricted for small and medium-sized enterprises with small sites and limited investment.

[0003] A sand coating machine for iron molds (application number: 201420058579.2), which includes a base, a frame, a pre-feed bucket, a sand shooting device, a mold assembly, a gas storage tank and a control panel, the frame includes four columns fixed on the base and a top frame arranged at the upper ends of the columns, the sand shooting device includes a sand shooting bucket, a sand shooting head, a transverse cylinder, and a square box, the sand shooting head includes a sand shooting head body, a sand shooting head pressure plate, a filter screen and a sealing ring, the sand shooting head pressure plate is fixed to the sand shooting head body by screws, a filter screen is arranged between the sand shooting head pressure plate and the sand shooting head body, and a sealing ring is also installed on the sand shooting head body, the mold assembly includes a lower cylinder, a guide sleeve, a guide rail, a guide column, an upper mold positioning plate, a lower mold positioning plate, and a guide rail frame, and the lower cylinder is fixed to the base. It is simple to operate, has a low failure rate, and has high production efficiency.

[0004] In the above patents, in the production line using the iron mold sand coating process for casting, each single-station sand coating machine must be matched with a roller conveyor line, which not only takes up space but also requires huge investment. The popularization of automation lines is particularly restricted for small and medium-sized enterprises with small sites and limited investment. Therefore, we need to provide a double-station two-way removal sand coating machine. Utility Model Content

[0005] The utility model aims to provide a double-station bidirectional sand-covering machine. After two sand boxes enter the drivable frame, the driving frame is placed on the rollers in the frame, and the sand box is placed on the top of the driving frame. The first cylinder is started to drive the driving seat to slide through the fixed block. The driving seat and the driving frame are connected by a hook assembly, so as to drive the driving frame to slide on the rollers, which is used to move the sand box to the bottom of the sand-falling assembly. The hydraulic rod is started to drive the height adjustment of the workbench. The workbench passes through the driving frame and lifts the sand box to fit and press the bottom of the sand-falling assembly to complete the mold closing function. The oil cylinder continues to move upward , push the sand box to contact and press the sand head, then open the sand shooting valve, fill the sand box with sand, and complete the sand shooting modeling function. Therefore, it not only has a compact structure and a small footprint, but also has a relatively small investment and a wide range of adaptability, reduces the labor intensity of workers, is safer, realizes automation, and improves work efficiency. It solves the problem proposed in the above background technology that in the production line using the iron mold sand coating process for casting, each single-station sand coating machine must be matched with a roller conveyor line, which takes up space and has a huge investment, especially for small and medium-sized enterprises with small sites and limited investment. The popularization of automation lines is restricted.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions: a double-station two-way sand-covering machine, comprising:

[0007] Two machine bases, each of the tops of the two machine bases being provided with a sand falling assembly;

[0008] A workbench is arranged inside the machine base, and a lifting mechanism for lifting and adjusting the workbench is installed at the bottom of the inner wall of the machine base;

[0009] A support platform is fixedly mounted on one side of the machine base, a sand box is arranged on the top of the support platform, and a driving mechanism for moving the sand box is installed inside the machine base;

[0010] The driving mechanism includes a frame, rollers, a driving frame, a driving assembly, a driving seat and a hook assembly. The frame is fixedly installed inside the machine seat, and multiple rollers for driving the frame to slide are rotatably installed on both sides of the inner wall of the frame. The sand box is installed on the top of the driving frame, and a driving mechanism for driving the seat to slide is installed inside the support table, and a hook mechanism for connecting the driving frame is installed inside the driving seat.

[0011] Preferably, the driving assembly includes a first cylinder and a fixed block, the first cylinder is fixedly mounted on the bottom of the support platform, a fixed block is fixedly mounted on one end of the first cylinder, and the top of the fixed block is fixedly mounted on the bottom of the driving seat.

[0012] Preferably, a groove body for the driving seat to slide is provided inside the support platform, two sliding rods are fixedly installed inside the groove body, and the surfaces of the two sliding rods are slidably installed inside the driving seat.

[0013] Preferably, the hook assembly includes a motor, a rotating hook and a connecting round seat, the motor is embedded in the top of the driving seat, the rotating hook is installed on the output end of the motor, a connecting round seat is fixedly installed on one side of the driving frame, and the groove portion on the surface of the rotating hook is adapted to the surface of the connecting round seat.

[0014] Preferably, the lifting mechanism includes a hydraulic rod, a balancing rod and a balancing cylinder. The hydraulic rod is fixedly installed on the bottom of the inner wall of the machine base, the upper end of the hydraulic rod is fixedly installed on the bottom of the lifting platform, four balancing rods are installed on the bottom of the lifting platform, and the bottom of the inner wall of the machine base is installed with a balancing cylinder that is adapted to the four balancing rods.

[0015] Preferably, the sand falling assembly comprises a sand head, a sand bucket and an air storage tank, the sand head is installed inside the machine base, the top of the sand head is connected to the sand bucket, and the air storage tank is arranged on the top of the machine base.

[0016] Preferably, a controller is fixedly mounted on the bottom of the support platform, and the controller is electrically connected to the sand falling assembly, the lifting mechanism and the driving mechanism.

[0017] Preferably, baffle bars for limiting the position of the sand box are fixedly mounted on both sides of the top of the driving frame.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] After the two sand boxes of the utility model enter the drivable frame, the driving frame is placed on the rollers in the frame, and the sand box is placed on the top of the driving frame, the first cylinder is started to drive the driving seat to slide through the fixed block, the driving seat and the driving frame are connected by a hook assembly, so as to realize driving the driving frame to slide on the rollers, which is used to move the sand box to the bottom of the sand falling assembly, and the hydraulic rod is started to drive the workbench height adjustment, the workbench runs through the driving frame and lifts the sand box to fit and press the bottom of the sand falling assembly to complete the mold closing function, the oil cylinder continues to move upward to push the sand box to contact and press the sand head, and then the sand shooting air valve is opened to fill the sand box with sand, and the sand shooting molding function is completed. Therefore, it not only has a compact structure and a small footprint, but also has a relatively small investment and a wide range of adaptability, reduces the labor intensity of workers, is safer, realizes automation, and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2It is a three-dimensional diagram of the local structure of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the hook assembly of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the drive assembly of the utility model.

[0024] In the figure: 1. machine base; 2. sand falling assembly; 21. sand head; 22. sand bucket; 23. gas tank; 3. workbench; 4. lifting mechanism; 41. hydraulic rod; 42. balance rod; 43. balance cylinder; 5. support table; 6. sand box; 7. driving mechanism; 71. frame; 72. roller; 73. driving frame; 74. driving assembly; 741. first cylinder; 742. fixed block; 75. driving seat; 76. hook assembly; 761. motor; 762. rotating hook; 763. connecting round seat; 8. trough; 9. sliding rod; 10. controller; 11. baffle bar. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4 The utility model provides a technical solution: a double-station two-way sand-covering machine, comprising:

[0027] Two machine bases 1, each of which has a sand falling assembly 2 disposed on the top of the two machine bases 1;

[0028] A workbench 3 is arranged inside the machine base 1, and a lifting mechanism 4 for lifting and lowering the workbench 3 is installed at the bottom of the inner wall of the machine base 1;

[0029] A support platform 5 is fixedly mounted on one side of the machine base 1, a sand box 6 is arranged on the top of the support platform 5, and a driving mechanism 7 for moving the sand box 6 is installed inside the machine base 1;

[0030] The driving mechanism 7 includes a frame 71, rollers 72, a driving frame 73, a driving assembly 74, a driving seat 75 and a hook assembly 76. The frame 71 is fixedly installed inside the machine base 1, and multiple rollers 72 for driving the frame 73 to slide are rotatably installed on both sides of the inner wall of the frame 71. The sand box 6 is installed on the top of the driving frame 73, and the driving mechanism 7 for the driving seat 75 to slide is installed inside the support table 5, and the driving seat 75 is installed inside with a hook mechanism for connecting the driving frame 73.

[0031] The driving assembly 74 includes a first cylinder 741 and a fixing block 742. The first cylinder 741 is fixedly mounted on the bottom of the supporting platform 5. The fixing block 742 is fixedly mounted on one end of the first cylinder 741, and the top of the fixing block 742 is fixedly mounted on the bottom of the driving seat 75.

[0032] In this embodiment, the driving frame 73 is placed on the roller 72 in the frame body 71, and the sand box 6 is placed on the top of the driving frame 73. The first cylinder 741 is started to drive the driving seat 75 to slide through the fixed block 742. The driving seat 75 and the driving frame 73 are connected by the hook assembly 76, so as to drive the driving frame 73 to slide on the roller 72, so as to move the sand box 6 to the bottom of the sand falling assembly 2.

[0033] The support platform 5 is provided with a groove 8 for the driving seat 75 to slide. Two slide bars 9 are fixedly installed inside the groove 8. The surfaces of the two slide bars 9 are slidably installed inside the driving seat 75.

[0034] Specifically, the driving seat 75 slides in the groove body 8 and slides on the two sliding rods 9, which enhances the sliding stability of the driving seat 75.

[0035] The hook assembly 76 includes a motor 761, a rotating hook 762 and a connecting round seat 763. The motor 761 is embedded in the top of the driving seat 75. The rotating hook 762 is installed at the output end of the motor 761. The connecting round seat 763 is fixedly installed on one side of the driving frame 73. The groove portion on the surface of the rotating hook 762 is adapted to the surface of the connecting round seat 763.

[0036] Furthermore, by starting the motor 761 to drive the output end rotating hook 762 to rotate, the groove in the rotating hook 762 is engaged with the connecting round seat 763, thereby connecting the driving seat 75 and the driving frame 73 to achieve synchronous movement and adjustment.

[0037] The lifting mechanism 4 includes a hydraulic rod 41, a balancing rod 42 and a balancing cylinder 43. The hydraulic rod 41 is fixedly installed at the bottom of the inner wall of the machine base 1, and the upper end of the hydraulic rod 41 is fixedly installed at the bottom of the lifting platform. Four balancing rods 42 are installed at the bottom of the lifting platform, and a balancing cylinder 43 adapted to the four balancing rods 42 is installed at the bottom of the inner wall of the machine base 1.

[0038] It is worth noting that the hydraulic rod 41 is started to drive the height adjustment of the workbench 3, and the workbench 3 passes through the driving frame 73 and lifts the sand box 6 to fit and press against the bottom of the sand falling assembly 2.

[0039] The sand falling assembly 2 comprises a sand head 21, a sand bucket 22 and an air storage tank 23. The sand head 21 is installed inside the machine base 1, the top of the sand head 21 is connected to the sand bucket, and the air storage tank 23 is arranged on the top of the machine base 1;

[0040] Specifically, the gas storage tank 23 provides a sufficient gas source for sand shooting, the sand shooting gas valve is opened, and the sand shooting box 6 is filled with sand to complete the sand shooting modeling function.

[0041] A controller 10 is fixedly mounted on the bottom of the support platform 5, and the controller 10 is electrically connected to the sand-falling assembly 2, the lifting mechanism 4 and the driving mechanism 7;

[0042] It should be noted that the controller 10 includes PLC automatic control, overload protection, and a hydraulic control system: the hydraulic station provides the main mold-lifting power, and the hydraulic cylinder drives each mechanical mechanism to perform the action.

[0043] In order to prevent the flask 6 from falling off the top of the driving frame 73 , stop bars 11 for limiting the flask 6 are fixedly installed on both sides of the top of the driving frame 73 .

[0044] After the two sand boxes 6 of the device enter the drivable frame 73, the driving frame 73 is placed on the roller 72 in the frame body 71, and the sand box 6 is placed on the top of the driving frame 73, and the first cylinder 741 is started to drive the driving seat 75 to slide through the fixed block 742. The driving seat 75 and the driving frame 73 are connected by the hook assembly 76, so as to drive the driving frame 73 to slide on the roller 72, which is used to move the sand box 6 to the bottom of the sand falling assembly 2, and start the hydraulic rod 41 to drive the height adjustment of the workbench 3. The workbench 3 passes through the driving frame 73 and lifts the sand box 6 to fit and press it against the bottom of the sand falling assembly 2 to complete the mold closing function. The oil cylinder continues to move upward to push the sand box 6 to contact and press the sand head 21, and then the sand shooting valve is opened to fill the sand box 6 with sand to complete the sand shooting molding function.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station bidirectional sand-covering machine, characterized in that: include: Two machine bases (1), each of the two machine bases (1) being provided with a sand falling assembly (2) on its top; A workbench (3) is arranged inside the machine base (1), and a lifting mechanism (4) for lifting and lowering the workbench (3) is installed at the bottom of the inner wall of the machine base (1); A support platform (5) is fixedly mounted on one side of the machine base (1), a sand box (6) is arranged on the top of the support platform (5), and a driving mechanism (7) for moving the sand box (6) is installed inside the machine base (1); The driving mechanism (7) comprises a frame (71), rollers (72), a driving frame (73), a driving assembly (74), a driving seat (75) and a hook assembly (76); the frame (71) is fixedly installed inside the machine base (1); a plurality of rollers (72) for driving the frame (73) to slide are rotatably installed on both sides of the inner wall of the frame (71); the sand box (6) is installed on the top of the driving frame (73); the driving mechanism (7) for driving the seat (75) to slide is installed inside the support platform (5); and a hook mechanism for connecting the driving frame (73) is installed inside the driving seat (75).

2. A double-station bidirectional sand-coating machine according to claim 1, characterized in that: The driving assembly (74) comprises a first cylinder (741) and a fixed block (742); the first cylinder (741) is fixedly mounted on the bottom of the supporting platform (5); the fixed block (742) is fixedly mounted on one end of the first cylinder (741); and the top of the fixed block (742) is fixedly mounted on the bottom of the driving seat (75).

3. A double-station bidirectional sand-coating machine according to claim 2, characterized in that: The support platform (5) is provided with a groove body (8) for the driving seat (75) to slide, and two sliding rods (9) are fixedly installed inside the groove body (8), and the surfaces of the two sliding rods (9) are slidably installed inside the driving seat (75).

4. A double-station bidirectional sand-coating machine according to claim 3, characterized in that: The hook assembly (76) comprises a motor (761), a rotating hook (762) and a connecting round seat (763); the motor (761) is embedded in the top of the driving seat (75); the rotating hook (762) is installed at the output end of the motor (761); the connecting round seat (763) is fixedly installed on one side of the driving frame (73); and the groove portion on the surface of the rotating hook (762) is adapted to the surface of the connecting round seat (763).

5. A double-station bidirectional sand-coating machine according to claim 2, characterized in that: The lifting mechanism (4) comprises a hydraulic rod (41), a balancing rod (42) and a balancing cylinder (43); the hydraulic rod (41) is fixedly mounted on the bottom of the inner wall of the machine base (1); the upper end of the hydraulic rod (41) is fixedly mounted on the bottom of the lifting platform; four balancing rods (42) are mounted on the bottom of the lifting platform; and the balancing cylinder (43) adapted to be mounted on the four balancing rods (42) is mounted on the bottom of the inner wall of the machine base (1).

6. A double-station bidirectional sand-coating machine according to claim 1, characterized in that: The sand falling assembly (2) comprises a sand head (21), a sand bucket (22) and an air storage tank (23); the sand head (21) is installed inside the machine base (1); the top of the sand head (21) is connected to a sand bucket; and the air storage tank (23) is arranged on the top of the machine base (1).

7. A double-station bidirectional sand-coating machine according to claim 1, characterized in that: A controller (10) is fixedly mounted on the bottom of the support platform (5), and the controller (10) is electrically connected to the sand-falling assembly (2), the lifting mechanism (4) and the driving mechanism (7).

8. A double-station bidirectional sand-coating machine according to claim 1, characterized in that: Stop bars (11) for limiting the position of the sand box (6) are fixedly installed on both sides of the top of the driving frame (73).

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