Multi-station box opening equipment for sand coating processing of iron mold

Abstract

The invention discloses a multi-station box opening device for swage sand coating processing, and relates to the technical field of swage sand coating, the multi-station box opening device comprises a conveying rail, a first transfer rail and a second transfer rail, the conveying rail is used for conveying a plurality of sand boxes arranged at equal intervals in the fixed direction, and one side of the conveying rail is provided with the first transfer rail and the second transfer rail; the rotating frame is arranged between the first transfer track and the second transfer track, and a fixing assembly is installed in the rotating frame; and the fixing frame is arranged on the conveying track, a circulating conveying assembly is installed on the lower side of the top of the fixing frame, a plurality of connecting assemblies are installed on the output portion of the circulating conveying assembly, and a horizontal pushing assembly is installed on the side, back to the first transferring track, of the fixing frame. In the moving path of the sand box, the upper box and the lower box in the sand box are opened, and the upper box is transferred to another path through the first transfer track, so that subsequent cleaning of the upper box by workers is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of iron mold sand coating, in particular to multi-station unpacking equipment for iron mold sand coating processing. Background Art

[0002] The iron mold sand casting process uses an iron mold as the outer shape template of the casting. A layer of sand is evenly covered on the surface of the mold, and then compacted and trimmed to form a sand mold with the same shape as the mold.

[0003] The process flow of iron mold sand casting production line: the sand box needs to be heated to 160-240℃ for the first time → molding machine molding, switch the corresponding mold sand box according to the specifications of the sand box for molding → flip inspection station → flip the upper box → close the box with the closing machine → sand box reversing → motorized roller conveyor → sand box transferred to the pouring line → pouring → shoveling iron after pouring → cooling and solidification → sand box reversing → motorized roller conveyor → box opener open the box → piece picking machine → flip (lower box) → vibration cleaning → check and clean residual sand → sand box temperature adjustment → molding machine molding.

[0004] After searching, a Chinese patent (publication number: CN214814730U) discloses a box opening machine for an iron mold sand coating process. The patent includes a machine body, a travel switch and a controller. The machine body includes a support plate and four support legs fixed below the support plate. A fixed plate and a movable plate are provided below the support plate, and the fixed plate is arranged between the support plate and the movable plate. At least two linear bearing through holes are provided on the support plate, and linear bearings are arranged in the linear bearing through holes. The upper end of the guide rod is slidably arranged in the corresponding linear bearing and the lower end passes through the fixed plate and the movable plate in turn. The fixed plate is fixed to the support plate by a screw rod, and a push rod is fixedly arranged on the fixed plate. A through hole for the push rod to pass through is provided on the movable plate. An oil cylinder is fixed on the support plate, and the piston rod of the oil cylinder passes through the support plate and the fixed plate in turn and is fixedly connected to the movable plate. A hook is arranged on the movable plate, and a travel switch is arranged on any of the four support legs. The travel switch and the oil cylinder are electrically connected to the controller respectively.

[0005] In the prior art, when unpacking, the unpacking equipment is required to have high working efficiency. In continuous production, it can meet the unpacking efficiency when there are many molds, and after unpacking, the upper box of each mold needs to be quickly cleaned. Therefore, the present invention proposes a multi-station unpacking equipment for iron mold sand coating processing. Summary of the invention

[0006] The purpose of the present invention is to provide a multi-station unpacking device for iron mold sand coating processing.

[0007] The technical problem solved by the present invention is: how to improve the unpacking efficiency of the mold, and how to quickly clean the upper box after unpacking.

[0008] The present invention can be implemented by the following technical scheme: a multi-station box opening device for iron mold sand coating processing comprises a conveying track, a sand box consisting of an upper box and a lower box moves along the conveying track, a first transfer track and a second transfer track are arranged on one side of the conveying track, and a rotating frame is arranged between the first transfer track and the second transfer track, and a fixed component is installed at the output end of the rotating frame;

[0009] A fixing frame is arranged on the upper side of the conveying track, a circulating conveying assembly is installed on the lower side of the top of the fixing frame, a plurality of connecting assemblies are installed at the output part of the circulating conveying assembly, the output end of each connecting assembly is downward, and each connecting assembly is installed with a box opening assembly, and the spacing between each box opening assembly is adapted to the spacing between the sand boxes;

[0010] When working, each unpacking assembly is arranged in parallel on the upper side of the conveying track based on the circulating conveying assembly, and multiple sand boxes are conveyed to the lower side of each unpacking assembly by the conveying track, and each unpacking assembly unpacks the upper box in the corresponding sand box;

[0011] A horizontal pushing assembly is installed on the side of the fixed frame facing away from the first transfer track. When the corresponding unpacking assembly passes by, the horizontal pushing assembly pushes the upper box unpacked by the unpacking assembly into the first transfer track. The first transfer track moves the upper box to the fixed assembly, flips it, and then transports the upper box to the next processing step through the second transfer track.

[0012] A further technical improvement of the present invention is that the connecting component includes a base connected to the circulating conveying component, at least one set of first lifting cylinders is installed on the lower side of the base, the output end of the first lifting cylinder faces downward and is installed with a rotating mechanism.

[0013] A further technical improvement of the present invention is that a vibration unit is installed on the upper side of the first transfer track, and when the upper box passes by, the vibration unit vibrates the upper box to clean the sand material on the lower side thereof.

[0014] A further technical improvement of the present invention is that vibration units are installed on the upper sides of the first transfer rail and the second transfer rail. When the upper box is transported from the second transfer rail, the vibration unit on the upper side of the second transfer rail vibrates the upper box for a second time, thereby vibrating the sand adhered to the surface of the upper box for a second time, thereby facilitating subsequent cleaning thereof.

[0015] A further technical improvement of the present invention is that: the vibration unit comprises a frame, a plurality of second lifting cylinders are installed at the top of the frame, the output ends of each of the second lifting cylinders are downward, and an assembly frame is installed between them, a plurality of vibration components are arranged at the lower side of the assembly frame, and each of the vibration components is connected to the assembly frame through a plurality of elastic members;

[0016] A plurality of vibration mechanisms are installed on the upper side of the assembly frame, and each vibration mechanism is respectively connected to a group of vibration components to drive the vibration components to vibrate, thereby controlling the vibration components to clean the upper box.

[0017] A further technical improvement of the present invention is that: the box opening assembly includes a connecting seat, both sides of the connecting seat are rotatably connected with a rotating tube, and a first swing mechanism is installed at one end of the rotating tube on both sides of the connecting seat, and the output end of the first swing mechanism is connected to the rotating tube on the corresponding side, so as to control the swing angle of the corresponding rotating tube;

[0018] At least one group of connecting arms is installed on the outer side of the rotating tube, and a disassembly frame is installed on one end of the connecting arm facing away from the corresponding rotating tube.

[0019] A further technical improvement of the present invention is that: the disassembly frame is a U-shaped component, and its opening is arranged horizontally;

[0020] When unpacking, the two sets of disassembly frames in the unpacking assembly are parallel to the conveying track, and protruding parts protruding to the sides are provided on both sides of the upper box. The two sets of disassembly frames swing based on the first swinging mechanism and are sleeved to the outside of the protruding parts of the upper box. After the upper box is separated from the lower box, the connecting assembly drives the unpacking assembly to rotate in the direction of the first transfer track.

[0021] A further technical improvement of the present invention is that: the fixed assembly includes a holder connected to the rotating frame, and a plurality of third lifting cylinders are installed at both ends of the holder and located on the upper and lower sides of the central axis, and the plurality of third lifting cylinders are equidistantly distributed along the axial direction of the holder, and the output ends of the plurality of third lifting cylinders are all oriented toward the central axis of the holder, and a plurality of clamping assemblies are installed between them;

[0022] The length between the plurality of clamping assemblies is the same as the length of the retaining frame;

[0023] After the upper box enters the fixed assembly, its two sides extend to between the upper and lower clamping assemblies at both ends of the fixed assembly respectively. After the upper and lower clamping assemblies at both ends of the fixed assembly clamp the upper box, the height of the upper box is adjusted by moving the third lifting cylinders in the same direction.

[0024] A further technical improvement of the present invention is that shielding components are installed on the upper and lower sides of both ends of the retaining frame. After multiple upper boxes enter the retaining frame, the respective shielding components on both sides of the retaining frame limit the horizontal movement position of the upper boxes to avoid the problem of sliding of the upper boxes when flipping.

[0025] A further technical improvement of the present invention is that the shielding assembly comprises an assembly block, a second swing mechanism is installed inside the assembly block, and a swing arm is installed at the output end of the second swing mechanism.

[0026] A further technical improvement of the present invention is that: a first stroke cylinder is installed inside the swing arm, and an extension arm is installed at the output end of the first stroke cylinder;

[0027] After the first stroke cylinder is started, it drives the extension arm to slide along the swing arm.

[0028] A further technical improvement of the present invention is that: an embedding groove is provided on a side of the swing arm facing away from the second swing mechanism, and the embedding groove is coaxially arranged with a connection portion between the swing arm and the second swing mechanism;

[0029] A second stroke cylinder is installed on the side of the assembly block facing away from the second swing mechanism, the output end of the second stroke cylinder faces the swing arm and is installed with a positioning block;

[0030] A slide groove for the positioning block to slide is provided in the assembly block;

[0031] The embedding groove, the positioning block and the sliding groove are all prismatic, and the embedding groove, the positioning block and the sliding groove have the same shape.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] The present invention opens the upper box and the lower box in the sand box in the moving path of the sand box, and transfers the upper box to another path through the first transfer track, so that it is convenient for subsequent staff to clean the upper box, and when opening the box, the upper boxes of multiple sand boxes can be lifted synchronously through multiple stations, so that the upper boxes can be quickly transferred;

[0034] The present invention is also provided with two groups of vibration units, and the upper box is between the two groups of vibration units and is flipped by a fixed component, thereby achieving different cleaning effects. When the fixed component is flipped, multiple upper boxes can be flipped synchronously, and a limiting component is provided in the fixed component to prevent the upper box from detaching from the fixed component when flipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0036] Figure 1 It is a structural schematic diagram of the present invention;

[0037] Figure 2 It is a side view of the unpacking assembly of the present invention;

[0038] Figure 3is a side sectional view of the fixing assembly of the present invention;

[0039] Figure 4 is a side sectional view of the shielding assembly of the present invention;

[0040] In the figure: 1. conveying track; 2. fixed frame; 3. circulating conveying component; 4. connecting component; 5. unpacking component; 6. first transfer track; 7. rotating frame; 8. fixed component; 9. second transfer track; 10. vibration unit; 11. horizontal pushing component; 41. first lifting cylinder; 42. rotating mechanism; 101. frame; 102. second lifting cylinder; 103. assembly frame; 104. vibration component; 105. vibration mechanism; 51. connecting seat; 52. rotating tube; 53. first swing mechanism; 54. connecting arm; 55. disassembly frame; 81. retaining frame; 82. third lifting cylinder; 83. clamping component; 84. shielding component; 841. assembly block; 842. second swing mechanism; 843. swing arm; 844. positioning block; 845. first stroke cylinder; 846. extension arm; 847. embedding groove; 848. second stroke cylinder. DETAILED DESCRIPTION

[0041] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0042] See also Figure 1-4 As shown, a multi-station box opening device for iron mold sand coating processing includes a conveying track 1, and a sand box consisting of an upper box and a lower box moves along the conveying track 1. A first transfer track 6 and a second transfer track 9 are arranged on one side of the conveying track 1, and a rotating frame 7 is arranged between the first transfer track 6 and the second transfer track 9, and a fixing component 8 is installed at the output end of the rotating frame 7;

[0043] A fixed frame 2 is provided on the upper side of the conveying track 1, a circulating conveying assembly 3 is installed on the lower side of the top of the fixed frame 2, and a plurality of connecting assemblies 4 are installed at the output part of the circulating conveying assembly 3, the output end of each connecting assembly 4 is downward, and each is installed with a box opening assembly 5, and the spacing between each box opening assembly 5 is adapted to the spacing between the sand boxes;

[0044] When working, each unpacking assembly 5 is arranged in parallel on the upper side of the conveying track 1 based on the circulating conveying assembly 3, and multiple sand boxes are conveyed to the lower side of each unpacking assembly 5 by the conveying track 1, and each unpacking assembly 5 unpacks the upper box in the corresponding sand box;

[0045] A horizontal push assembly 11 is installed on the side of the fixed frame 2 facing away from the first transfer track 6. The horizontal push assembly 11 includes a third stroke cylinder, and a push plate is installed at the output end of the third stroke cylinder;

[0046] When the corresponding unpacking component 5 passes by, the horizontal pushing component 11 pushes the upper box unpacked by the unpacking component 5 to the first transfer track 6. The first transfer track 6 moves the upper box to the fixing component 8, flips it, and then transports the upper box to the next processing step through the second transfer track 9.

[0047] The connecting assembly 4 includes a base connected to the circulating conveying assembly 3 , and at least one set of first lifting cylinders 41 is installed on the lower side of the base. The output end of the first lifting cylinder 41 faces downward and is installed with a rotating mechanism 42 .

[0048] Vibration units 10 are installed on the upper sides of the first transfer rail 6 and the second transfer rail 9. When the upper box is transported from the second transfer rail 9, the vibration unit 10 on the upper side of the second transfer rail 9 performs secondary vibration on the upper box, thereby performing secondary vibration on the sand material adhered to the surface of the upper box, thereby facilitating subsequent cleaning thereof.

[0049] The vibration unit 10 includes a frame 101, a plurality of second lifting cylinders 102 are installed at the top of the frame 101, the output ends of each second lifting cylinder 102 are downward, and an assembly frame 103 is installed between them, and a plurality of vibration components 104 are arranged on the lower side of the assembly frame 103, and each vibration component 104 is connected to the assembly frame 103 through a plurality of elastic members;

[0050] A plurality of vibration mechanisms 105 are installed on the upper side of the assembly frame 103. Each vibration mechanism 105 is respectively connected to a group of vibration components 104 to drive the vibration components 104 to vibrate, thereby controlling the vibration components 104 to clean the upper box.

[0051] See also Figure 2 As shown, the unpacking assembly 5 includes a connecting seat 51, both sides of the connecting seat 51 are rotatably connected with a rotating tube 52, and both sides of the connecting seat 51 are provided with a first swing mechanism 53 at one end of the rotating tube 52, and the output end of the first swing mechanism 53 is connected to the rotating tube 52 on the corresponding side, so as to control the swing angle of the corresponding rotating tube 52;

[0052] At least one set of connecting arms 54 is installed on the outer side of the rotating tube 52 , and a disassembly frame 55 is installed on one end of the connecting arm 54 facing away from the corresponding rotating tube 52 .

[0053] The disassembly frame 55 is a U-shaped component, and its opening is arranged horizontally;

[0054] When unpacking, the two groups of disassembly frames 55 in the unpacking assembly 5 are parallel to the conveying track 1, and protruding parts protruding to the sides are provided on both sides of the upper box. The two groups of disassembly frames 55 swing based on the first swinging mechanism 53 and are sleeved to the outside of the protruding parts of the upper box. After the upper box is separated from the lower box, the connecting assembly 4 drives the unpacking assembly 5 to rotate in the direction of the first transfer track 6.

[0055] See also Figure 3 As shown, the fixed assembly 8 includes a holder 81 connected to the rotating frame 7, and multiple third lifting cylinders 82 are installed at both ends of the inner part of the holder 81 and located on the upper and lower sides of the central axis. The multiple third lifting cylinders 82 are equidistantly distributed along the axial direction of the holder 81, and the output ends of the multiple third lifting cylinders 82 are all facing the central axis direction of the holder 81, and multiple clamping assemblies 83 are installed between them, and the clamping assembly 83 includes a driving unit, and a wheel body is installed at the output end of the driving unit;

[0056] The length between the plurality of clamping assemblies 83 is the same as the length of the retaining frame 81, and the length of the retaining frame 81 is adapted to the total length of each upper box entering the interior thereof;

[0057] After the upper box enters the fixing assembly 8, its two sides extend to between the upper and lower clamping assemblies 83 at both ends of the fixing assembly 8, and after the upper and lower clamping assemblies 83 at both ends of the fixing assembly 8 clamp the upper box, the height of the upper box is adjusted by moving the third lifting cylinders 82 in the same direction.

[0058] Shielding components 84 are installed on the upper and lower sides of both ends of the retaining frame 81. After multiple upper boxes enter the retaining frame 81, the shielding components 84 on both sides of the retaining frame 81 limit the horizontal movement position of the upper boxes to avoid the upper boxes from sliding when flipping.

[0059] See also Figure 4 As shown, the shielding assembly 84 includes an assembly block 841 , a second swing mechanism 842 is installed inside the assembly block 841 , and a swing arm 843 is installed at the output end of the second swing mechanism 842 .

[0060] A first stroke cylinder 845 is installed inside the swing arm 843, and an extension arm 846 is installed at the output end of the first stroke cylinder 845;

[0061] After the first stroke cylinder 845 is started, it drives the extension arm 846 to slide along the swing arm 843.

[0062] An embedding groove 847 is provided on a side of the swing arm 843 facing away from the second swing mechanism 842, and the embedding groove 847 is coaxially arranged with a connection portion between the swing arm 843 and the second swing mechanism 842;

[0063] A second stroke cylinder 848 is installed on the side of the assembly block 841 facing away from the second swing mechanism 842. The output end of the second stroke cylinder 848 faces the swing arm 843 and is installed with a positioning block 844.

[0064] The assembly block 841 is provided with a slide groove for the positioning block 844 to slide;

[0065] The embedding groove 847, the positioning block 844 and the sliding groove are all prismatic, and the embedding groove 847, the positioning block 844 and the sliding groove have the same shape.

[0066] When the present invention is used:

[0067] The sand box moves along the conveying track 1 to the lower side of each box opening assembly 5 under the fixed frame 2, and then the conveying track 1 stops moving;

[0068] The first lifting cylinder 41 in each connecting assembly 4 drives the box opening assembly 5 to descend. After the box opening assembly 5 descends to the outside of the upper box portion of the sand box, the first swing mechanism 53 in each box opening assembly 5 is started, and each disassembly frame 55 is driven to the outside of the protruding portion of the corresponding upper box through the rotating tube 52 and the connecting arm 54. Then, the first lifting cylinder 41 in each connecting assembly 4 is reset to lift the upper box. Then, the rotating mechanism 42 in each connecting assembly 4 drives the box opening assembly 5 to rotate toward the first transfer track 6.

[0069] Then the circulating conveying assembly 3 moves each unpacking assembly 5 to between the horizontal pushing assembly 11 and the first transfer track 6 in turn. After the horizontal pushing assembly 11 is started, the upper box is pushed along the disassembly frame 55 of the corresponding unpacking assembly 5 to the first transfer track 6. The vibration unit 10 on the first transfer track 6 cleans the upper box passing under it.

[0070] At this time, the height of each clamping assembly 83 at both ends of the fixing assembly 8 located at the lower side is the same as the height at which the first transfer rail 6 contacts the upper box;

[0071] After the upper boxes of the same batch enter the fixed assembly 8, the clamping assemblies 83 on the upper sides of both ends of the fixed assembly 8 are lowered based on the corresponding third lifting cylinders 82 to clamp the upper boxes from the upper side. Then, the second swing mechanism 842 in the shielding assembly 84 at both ends of the fixed assembly 8 is started, driving the swing arm 843 to rotate a preset angle and abut against one side of the upper box at the corresponding end. Then, the second stroke cylinder 848 is started, driving the positioning block 844 to slide along the assembly block 841 to the embedding groove 847.

[0072] Then the rotating frame 7 is started, driving the fixed assembly 8 to turn 180°, and then each third lifting cylinder 82 in the fixed assembly 8 is adjusted in the same direction to adjust the height to the height at which the second transfer rail 9 contacts the upper box;

[0073] Finally, the shielding assembly 84 is reset, and the clamping assembly 83 in contact with the upper box is started, and the upper box is transferred to the second transfer track 9 in sequence, and the vibration unit 10 on the second transfer track 9 is started to perform secondary cleaning on the upper box.

[0074] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. Multi-station unpacking equipment for iron mold sand coating processing, characterized in that: include: A conveying track (1) is used to transport a plurality of equidistantly arranged sand boxes in a fixed direction, and a first transfer track (6) and a second transfer track (9) are arranged on one side of the conveying track (1); A rotating frame (7) is arranged between the first transfer track (6) and the second transfer track (9), and a fixing component (8) is installed inside the rotating frame (7); A fixed frame (2) is arranged on the conveying track (1), and a circulating conveying assembly (3) is installed on the lower side of the top of the fixed frame (2), a plurality of connecting assemblies (4) are installed at the output portion of the circulating conveying assembly (3), and a horizontal pushing assembly (11) is installed on the side of the fixed frame (2) facing away from the first transfer track (6); A box opening assembly (5), wherein a plurality of the box opening assemblies (5) are respectively connected to the circulating conveying assembly (3) through a group of connecting assemblies (4), and each box opening assembly (5) separates the upper box in the sand box. The spacing between the box opening components (5) is adapted to the spacing between the sand boxes; After the corresponding box opening component (5) drives the upper box to move between the horizontal pushing component (11) and the first transfer track (6), the horizontal pushing component (11) pushes the upper box into the first transfer track (6).

2. The multi-station unpacking equipment for iron mold sand coating processing according to claim 1 is characterized in that: The connecting assembly (4) comprises a base connected to the circulating conveying assembly (3), at least one set of first lifting cylinders (41) is installed on the lower side of the base, the output end of the first lifting cylinder (41) faces downward and is installed with a rotating mechanism (42).

3. The multi-station unpacking equipment for iron mold sand coating processing according to claim 1 is characterized in that: A vibration unit (10) is installed on the upper side of the first transfer track (6).

4. The multi-station unpacking equipment for iron mold sand coating processing according to claim 1 is characterized in that: A vibration unit (10) is installed on the upper side of the first transfer track (6) and the second transfer track (9).

5. The multi-station unpacking equipment for iron mold sand coating processing according to claim 1 is characterized in that: The box opening assembly (5) comprises a connecting seat (51), both sides of the connecting seat (51) are rotatably connected to a rotating tube (52), and both ends of the rotating tube (52) on both sides of the connecting seat (51) are installed with a first swing mechanism (53), and the output end of the first swing mechanism (53) is connected to the rotating tube (52) on the corresponding side; At least one group of connecting arms (54) is installed on the outer side of the rotating tube (52), and a disassembly frame (55) is installed on one end of the connecting arm (54) facing away from the corresponding rotating tube (52).

6. The multi-station unpacking equipment for iron mold sand coating processing according to claim 1 is characterized in that: The fixed component (8) comprises a retaining frame (81) connected to the rotating frame (7), and a plurality of third lifting cylinders (82) are installed at both ends of the retaining frame (81) and located on the upper and lower sides of the central axis. The plurality of third lifting cylinders (82) are equidistantly distributed along the axial direction of the retaining frame (81), and the output ends of the plurality of third lifting cylinders (82) are all oriented in the direction of the central axis of the retaining frame (81), and a plurality of clamping components (83) are installed between them.

7. The multi-station unpacking equipment for iron mold sand coating processing according to claim 6 is characterized in that: Shielding components (84) are installed on both the upper and lower sides of the two ends of the retaining frame (81); The shielding assembly (84) comprises an assembly block (841), a second swing mechanism (842) is installed inside the assembly block (841), and a swing arm (843) is installed at the output end of the second swing mechanism (842).

8. The multi-station unpacking equipment for iron mold sand coating processing according to claim 7 is characterized in that: A first stroke cylinder (845) is installed inside the swing arm (843), and an extension arm (846) is installed at the output end of the first stroke cylinder (845); After the first stroke cylinder (845) is activated, it drives the extension arm (846) to slide along the swing arm (843).

9. The multi-station unpacking equipment for iron mold sand coating processing according to claim 8, characterized in that: An embedding groove (847) is provided on a side of the swing arm (843) facing away from the second swing mechanism (842), and the embedding groove (847) and a connection portion between the swing arm (843) and the second swing mechanism (842) are coaxially arranged; A second stroke cylinder (848) is installed on the side of the assembly block (841) facing away from the second swing mechanism (842); the output end of the second stroke cylinder (848) faces the swing arm (843) and is installed with a positioning block (844); A sliding groove for the positioning block (844) to slide is provided in the assembly block (841).

10. The multi-station unpacking equipment for iron mold sand coating processing according to claim 9, characterized in that: The embedding groove (847), the positioning block (844) and the slide groove are all prismatic, and the embedding groove (847), the positioning block (844) and the slide groove have the same shape.

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