Sand mold taking device for automatic rotary spraying

Abstract

The utility model relates to the technical field of sand mold production equipment, and discloses an automatic rotary spraying sand mold taking device which comprises a sand mold transferring mechanism, the sand mold transferring mechanism is connected with a spraying rotating mechanism and a grabbing and clamping mechanism, and the spraying rotating mechanism is in driving connection with the grabbing and clamping mechanism; the grabbing and clamping mechanism comprises a lifting device fixedly connected with the sand mold transferring mechanism, the extending end of the lifting device vertically extends downwards and is rotatably connected with a connecting ring, the connecting ring is rotatably connected with at least two hinges, the two hinges are arranged oppositely, the hinges are rotatably connected with grabbing arms, the grabbing arms are slidably connected with a grabbing support, and the grabbing support is connected with the lifting device. The hinge is rotatably connected with the grabbing support, the spraying rotating mechanism is in driving connection with the grabbing support, and the grabbing support is rotatably connected with the sand mold transferring mechanism; according to the utility model, the damage probability of the device is effectively reduced, the maintenance is more convenient, and the working efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the technical field of sand mold production equipment, specifically to an automatic rotary spraying sand mold taking device. Background Technology

[0002] After the sand mold is made, its surface needs to be sprayed with high-temperature resistant graphite coating. Currently, two mechanisms are used: a gripping mechanism and a rotating mechanism. The gripping mechanism picks up the sand mold and places it on the bracket of the rotating mechanism. The bracket is driven to rotate by a rotating motor below, spraying the coating onto the sand mold. Because the rotating mechanism is below the sand mold, the coating drips onto the motor during spraying, causing damage to the motor. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic rotary spraying sand-collecting device that effectively reduces the probability of device damage, makes maintenance more convenient, and improves work efficiency.

[0004] This utility model is implemented as follows:

[0005] An automatic rotary spraying sand mold taking device includes a sand mold transfer mechanism, wherein the sand mold transfer mechanism is connected to a spraying rotary mechanism and a gripping mechanism, and the spraying rotary mechanism is drivenly connected to the gripping mechanism.

[0006] The gripping mechanism includes a lifting device fixedly connected to the sand mold transfer mechanism. The extended end of the lifting device extends vertically downward and is rotatably connected to a connecting ring. The connecting ring is rotatably connected to at least two hinges, which are arranged opposite each other. Each hinge is rotatably connected to a gripping arm, which is slidably connected to a gripping bracket. The hinges and the gripping bracket are rotatably connected. The spraying rotation mechanism is driven to the gripping bracket, and the gripping bracket is rotatably connected to the sand mold transfer mechanism.

[0007] Furthermore, the spraying rotation mechanism includes a spraying rotation motor fixedly connected to the sand mold transfer mechanism, and a spraying drive gear fixedly connected to the output end of the spraying rotation motor. The spraying drive gear meshes with a spraying gear ring, and the inner ring surface of the spraying gear ring is fixedly connected to the gripping bracket.

[0008] Furthermore, the sand mold transfer mechanism includes a crossbeam with one end connected to the spraying rotation mechanism and the gripping mechanism, and a column connected to the other end of the crossbeam. The bottom end of the column is rotatably connected to a base, and a transfer rotation motor is fixedly connected to the base. A transfer drive gear is fixedly connected to the output end of the transfer rotation motor. The transfer drive gear meshes with a transfer gear ring, and the inner ring side of the transfer gear ring is fixedly connected to the outer ring side of the column.

[0009] Furthermore, the gripper arm includes a guide rod with one end rotatably connected to the hinge, and two ends of the guide rod are slidably connected to limit seats. The limit seats are connected to the gripping bracket, and a connecting seat is provided between the two limit seats. The connecting seat is fixedly connected to the guide rod, and a gripping hook for gripping the sand mold is fixedly connected to the connecting seat.

[0010] Furthermore, the limiting seat and the gripping bracket are detachably connected.

[0011] Furthermore, the hinge includes a drive rod with one end rotatably connected to the connecting ring, a support rod rotatably connected to the other end of the drive rod, the drive rod being connected to the middle of the support rod, one end of the support rod being rotatably connected to the gripping bracket, and a connecting rod rotatably connected to the other end of the support rod, the free end of the connecting rod being rotatably connected to the gripping arm.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] During the aforementioned transfer, gripping, and spraying processes, the transfer rotary motor, spraying rotary motor, and lifting device are all kept away from the paint, effectively reducing the probability of device damage and making maintenance more convenient. This device integrates the transfer, gripping, and spraying rotation design, avoiding multiple gripping and releasing of the sand mold during production, simplifying the production process, and effectively improving work efficiency. This utility model effectively reduces the probability of device damage, makes maintenance more convenient, and simultaneously improves work efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the gripping mechanism of this utility model.

[0017] Reference numerals: 1. Lifting device; 2. Connecting ring; 3. Gripping bracket; 4. Sand mold; 5. Spraying rotary motor; 6. Spraying drive gear; 7. Spraying gear ring; 8. Crossbeam; 9. Column; 10. Base; 11. Transfer rotary motor; 12. Transfer drive gear; 13. Transfer gear ring; 14. Guide rod; 15. Limiting seat; 16. Connecting seat; 17. Gripping hook; 18. Drive rod; 19. Support rod; 20. Connecting rod. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0019] 3. Please refer to Figure 1 and Figure 2 An automatic rotary spraying sand mold taking device includes a sand mold transfer mechanism, wherein the sand mold transfer mechanism is connected to a spraying rotary mechanism and a gripping mechanism, and the spraying rotary mechanism is drivenly connected to the gripping mechanism.

[0020] The gripping mechanism includes a lifting device 1 fixedly connected to the sand mold transfer mechanism. The extended end of the lifting device 1 extends vertically downward and is rotatably connected to a connecting ring 2. The connecting ring 2 is rotatably connected to at least two hinges, which are arranged opposite each other. The hinges are rotatably connected to gripping arms, and the gripping arms are slidably connected to gripping brackets 3. The hinges and gripping brackets 3 are rotatably connected. The spraying rotation mechanism is driven to the gripping brackets 3, and the gripping brackets 3 are rotatably connected to the sand mold transfer mechanism.

[0021] Please see Figure 1 and Figure 2 The spraying rotation mechanism includes a spraying rotation motor 5 fixedly connected to the sand mold transfer mechanism. The output end of the spraying rotation motor 5 is fixedly connected to a spraying drive gear 6. The spraying drive gear 6 meshes with a spraying gear ring 7. The inner ring surface of the spraying gear ring 7 is fixedly connected to the gripping bracket 3.

[0022] Please see Figure 1 and Figure 2The sand mold transfer mechanism includes a crossbeam 8 connected at one end to the spraying rotation mechanism and the gripping mechanism, and a column 9 connected at the other end of the crossbeam 8. A base 10 is rotatably connected to the bottom end of the column 9. A transfer rotation motor 11 is fixedly connected to the base 10. A transfer drive gear 12 is fixedly connected to the output end of the transfer rotation motor 11. The transfer drive gear 12 meshes with a transfer gear ring 13. The inner ring side of the transfer gear ring 13 is fixedly connected to the outer ring side of the column 9.

[0023] Please see Figure 1 and Figure 2 The gripper arm includes a guide rod 14 with one end rotatably connected to the hinge. The two ends of the guide rod 14 are slidably connected to limit seats 15. The limit seats 15 are connected to the gripping bracket 3. A connecting seat 16 is provided between the two limit seats 15. The connecting seat 16 is fixedly connected to the guide rod 14. A gripping hook 17 for gripping the sand mold 4 is fixedly connected to the connecting seat 16.

[0024] Please see Figure 1 and Figure 2 The limiting seat 15 is detachably connected to the gripping bracket 3.

[0025] Please see Figure 1 and Figure 2 The hinge includes a drive rod 18 with one end rotatably connected to the connecting ring 2, and a support rod 19 rotatably connected to the other end of the drive rod 18. The drive rod 18 and the support rod 19 are connected at the middle. One end of the support rod 19 is rotatably connected to the gripping bracket 3, and the other end of the support rod 19 is rotatably connected to a connecting rod 20. The free end of the connecting rod 20 is rotatably connected to the gripping arm.

[0026] In practical applications, please refer to Figure 1 and Figure 2 The lifting device 1 is a stepping cylinder. The piston rod of the lifting device 1 of the gripping mechanism is rotatably connected to the inner ring surface of the connecting ring 2. When the piston rod of the lifting device 1 retracts upward, it drives the connecting ring 2 to move upward, causing the two hinges connected to the connecting ring 2 to rotate. The two ends of the drive rod 18 of the hinge rotate, causing the drive rod 18 to gradually become horizontal from the inclination. This drives the support rod 19 of the hinge to rotate at one end connected to the gripping bracket 3, causing the end connected to the connecting rod 20 to lift upward. This drives the two ends of the connecting rod 20 to rotate, causing the connecting rod 20 to gradually become horizontal from the inclination. This pushes the guide rods 14 of the two gripping arms facing each other to slide backward between the two corresponding limit seats 15. The two guide rods 14 facing each other drive the corresponding gripping hooks 17 to move backward through the corresponding connecting seats 16, gradually moving away, thus opening the gripping mechanism.

[0027] The limiting seat 15 is detachably connected to the gripping bracket 3 by bolts and nuts. The distance between the two limiting seats 15 that limit the same guide rod 14 can be adjusted according to the size of the sand mold 4. That is, the gripping size of the gripping hook 17 can be adjusted according to the size of the sand mold 4 by adjusting the movement range of the connecting seat 16.

[0028] The transfer rotary motor 11 of the sand mold transfer mechanism drives the transfer drive gear 12 to rotate, which in turn drives the transfer gear ring 13 to rotate. The transfer gear ring 13 drives the column 9 to rotate, so that the gripping mechanism connected by the crossbeam 8 moves to the top of the sand mold 4 to be sprayed. The crossbeam 8 can be driven by the drive device, so that the crossbeam 8 moves up and down along the column 9.

[0029] The piston rod of the lifting device 1 extends downward, causing the connecting ring 2 to move downward, which in turn causes the two hinges connected to the connecting ring 2 to rotate. The two ends of the drive rod 18 of the hinge rotate, causing the drive rod 18 to gradually tilt and tend to be vertical. This causes the support rod 19 of the hinge to rotate at one end connected to the gripping bracket 3, causing the end connected to the connecting rod 20 to rotate downward. This causes the two ends of the connecting rod 20 to rotate, causing the connecting rod 20 to gradually tilt and tend to be vertical. This, in turn, causes the guide rods 14 of the two gripping arms facing each other to slide towards each other between the two corresponding limit seats 15. The two guide rods 14 facing each other drive the corresponding gripping hooks 17 to move towards each other through the corresponding connecting seats 16, gradually approaching each other, so that the gripping mechanism closes and picks up the sand mold 4 to be sprayed.

[0030] The sand mold 4 is moved to the spraying station by the sand mold transfer mechanism. The spraying rotation motor 5 of the spraying rotation mechanism drives the spraying drive gear 6 to rotate, which in turn drives the spraying gear ring 7 to rotate. The spraying gear ring 7 drives the gripping bracket 3 to rotate, so that the sand mold 4 fixed by the gripping hook 17 rotates and the paint is evenly applied to the sand mold 4.

[0031] After the spraying is completed, the sand mold 4 is moved to the placement station by the sand mold transfer mechanism, and the gripping mechanism opens to stack the sprayed sand mold 4.

[0032] During the aforementioned transfer, gripping, and spraying processes, the transfer rotary motor 11, the spraying rotary motor 5, and the lifting device 1 are all kept away from the paint, effectively reducing the probability of device damage and making maintenance more convenient. This device integrates the transfer, gripping, and spraying rotation design, avoiding multiple gripping and releasing of the sand mold 4 during the production process, simplifying the production process, and effectively improving work efficiency. This utility model effectively reduces the probability of device damage, makes maintenance more convenient, and simultaneously improves work efficiency.

[0033] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An automatic rotary spraying sand-collecting device, characterized in that: It includes a sand mold transfer mechanism, which is connected to a spraying rotation mechanism and a gripping mechanism, and the spraying rotation mechanism is driven to be connected to the gripping mechanism; The gripping mechanism includes a lifting device (1) fixedly connected to the sand mold transfer mechanism. The extended end of the lifting device (1) extends vertically downward and is rotatably connected to a connecting ring (2). The connecting ring (2) is rotatably connected to at least two hinges, which are arranged opposite each other. The hinges are rotatably connected to gripping arms, and the gripping arms are slidably connected to gripping brackets (3). The hinges are rotatably connected to the gripping brackets (3). The spraying rotation mechanism is driven to the gripping brackets (3), and the gripping brackets (3) are rotatably connected to the sand mold transfer mechanism.

2. The automatic rotary spraying sand-collecting device according to claim 1, characterized in that, The spraying rotation mechanism includes a spraying rotation motor (5) fixedly connected to the sand mold transfer mechanism. The output end of the spraying rotation motor (5) is fixedly connected to a spraying drive gear (6). The spraying drive gear (6) meshes with a spraying gear ring (7). The inner ring surface of the spraying gear ring (7) is fixedly connected to the gripping bracket (3).

3. The automatic rotary spraying sand-collecting device according to claim 1, characterized in that, The sand mold transfer mechanism includes a crossbeam (8) with one end connected to the spraying rotation mechanism and the gripping mechanism, and a column (9) connected to the other end of the crossbeam (8). The bottom end of the column (9) is rotatably connected to a base (10). The base (10) is fixedly connected to a transfer rotation motor (11). The output end of the transfer rotation motor (11) is fixedly connected to a transfer drive gear (12). The transfer drive gear (12) meshes with a transfer gear ring (13). The inner ring side of the transfer gear ring (13) is fixedly connected to the outer ring side of the column (9).

4. The automatic rotary spraying sand-collecting device according to claim 1, characterized in that, The gripper arm includes a guide rod (14) with one end rotatably connected to the hinge. The two ends of the guide rod (14) are slidably connected to limit seats (15). The limit seats (15) are connected to the gripping bracket (3). A connecting seat (16) is provided between the two limit seats (15). The connecting seat (16) is fixedly connected to the guide rod (14). The connecting seat (16) is fixedly connected to a gripping hook (17) for gripping the sand mold (4).

5. The automatic rotary spraying sand-collecting device according to claim 4, characterized in that, The limiting seat (15) is detachably connected to the gripping bracket (3).

6. The automatic rotary spraying sand-collecting device according to claim 1, characterized in that, The hinge includes a drive rod (18) with one end rotatably connected to the connecting ring (2), and a support rod (19) rotatably connected to the other end of the drive rod (18). The drive rod (18) is connected to the middle of the support rod (19). One end of the support rod (19) is rotatably connected to the gripping bracket (3), and the other end of the support rod (19) is rotatably connected to a connecting rod (20). The free end of the connecting rod (20) is rotatably connected to the gripping arm.

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