Protective door safety device used during die assembly of die-casting machine

Abstract

The protective door safety device comprises a die-casting box and protective door plates, the oppositely-opened protective door plates are arranged at the positions, close to an opening, in the die-casting box, a two-way lead screw is arranged at the position, at the top ends of the inner sides of the protective door plates, in the die-casting box, and threaded blocks are arranged at the two ends of the two-way lead screw; connecting blocks are arranged in the middles of the sides, close to the protective door plates, of the threaded blocks, the other ends of the connecting blocks are connected with the corresponding protective door plates, air suction pipes are arranged in the grooved die-casting boxes on the two sides of the protective door plates, a filtering box is arranged on one side of the top of each die-casting box, and activated carbon is slidably connected between the first sliding grooves. By moving and combining the protection door plates, the situation that chippings and dust fly out during machining, and consequently safety accidents are caused can be prevented, and in the machining process, harmful gas and dust discharge and pollution to the surrounding environment can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of die-casting machine protective doors, in particular to a protective door safety device for a die-casting machine during mold closing. Background Art

[0002] A die-casting machine is a machine used for pressure casting. It is mainly used to inject molten metal into a mold under high pressure, and then form it after cooling to finally obtain a solid metal casting. It can be widely used in automobile manufacturing, aerospace, home appliances, industry, electronic products and other fields.

[0003] In the prior art, general die-casting machines are not equipped with protective doors, resulting in poor protection effect. Debris may pop out, causing safety accidents. During processing, when the protective door moves and slots, a certain amount of heat and dust may fly out, affecting the surrounding environment. Summary of the invention

[0004] The object of the present invention is to provide a protective door safety device for a die-casting machine during mold closing, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a protective door safety device for a die-casting machine during mold closing, comprising a die-casting box and a protective door plate, an opening is provided on the front of the die-casting box, and a split protective door plate is provided near the opening in the die-casting box, an infrared sensor is provided at the middle position where the outer sides of the protective door plates are merged, and a slot is provided on the die-casting box corresponding to the side of the protective door plate, a bidirectional screw rod is provided in the die-casting box at the top inner side of the protective door plate, and a gear 2 is provided in the middle position of the bidirectional screw rod, and an annular limit plate is provided on the bidirectional screw rods on both sides of the gear 2, threaded blocks are provided at both ends of the bidirectional screw rod, and a connecting block is provided at the middle position of the threaded block close to the protective door plate, and the other end of the connecting block is connected to the corresponding protective door plate. The protective door panels are connected, and suction pipes are provided in the slotted die-casting boxes on both sides of the protective door panels, and suction nozzles are provided on the sides of the suction pipes close to the protective door panels, a filter box is provided on one side of the top of the die-casting box, and a water tank is provided at the bottom of the filter box, and a slide groove 1 is provided in the filter boxes on both sides above the water tank, and activated carbon is slidably connected between the slide grooves 1, so that the threaded blocks at both ends of the two-way screw drive the protective door panels to move toward the middle and merge through the connecting blocks, which can prevent debris and dust from flying out during processing and causing safety accidents, and during processing, hot air and dust can be sucked into the filter box through connecting pipe 1, connecting pipe 2, suction pipe and suction nozzle, so that the dust therein contacts with water and precipitates, and then the harmful gas is adsorbed and filtered through the activated carbon, which can reduce the discharge of harmful gas and dust and pollute the surrounding environment.

[0006] Preferably, cooling pipes are evenly laid inside the protective door panels, and liquid inlet pipes and liquid outlet pipes are provided at the top and bottom ends of the cooling pipes close to the grooved side, and the liquid inlet pipes and liquid outlet pipes of the cooling pipes are connected to an external cooling box through the grooves, so that the coolant in the cooling pipes can be circulated and delivered, and can be quickly cooled after processing to prevent accidental injuries.

[0007] Preferably, a baffle is provided in the die-casting box on the side of the bidirectional screw rod away from the protective door panel, and brush plates are provided on the inner walls of the die-casting box at both ends of the bidirectional screw rod close to the protective door panel, and the bristles on the inner side of the brush plates are in contact with the protective door panels, so that the baffle blocks the bidirectional screw rod to prevent the bidirectional screw rod from being affected and causing improper operation, and the brush plates can clean the bidirectional screw rod when the protective door panels are separated to prevent it from sticking to the inner side of the protective door panels and affecting the movement of the protective door panels.

[0008] Preferably, a second slide groove is provided at the bottom of the die-casting box corresponding to the position of the protective door panel, and the bottom of the protective door panel on the side away from the groove in the second slide groove is slidably connected with a support block, and the top of the support block is connected to the protective door panel, so that the support block at the bottom of the protective door panel can move in the second slide groove, making its movement more stable.

[0009] Preferably, a connecting pipe 1 is provided on one side above the water tank of the filter box, and a connecting pipe 2 is provided on the other side of the filter box at a position corresponding to the connecting pipe 1, and the other ends of the connecting pipe 2 and the connecting pipe 1 both extend into the die-casting box and are connected to the suction pipe.

[0010] Preferably, a motor cover is provided at the position corresponding to gear 2 on the top of the die casting box, and a motor is provided in the motor cover. The output end of the motor extends to gear 1 provided in the die casting box, and gear 1 and gear 2 are meshed with each other.

[0011] Preferably, an exhaust fan is provided at a middle position on one side of the top of the filter box, and an output end of the exhaust fan extends into the filter box.

[0012] Preferably, a sealed door is hinged on the front side of the filter box at a position corresponding to the activated carbon, and a sewage pipe is provided at the bottom end of one side of the filter box.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the protective door safety device of the die-casting machine during mold closing drives the gear 1 on the output shaft to rotate through the motor, and the gear 1 drives the gear 2 meshing with it to rotate, and the gear 2 drives the threaded blocks at both ends of the bidirectional screw to move, so that the threaded blocks drive the protective door panels to move toward the middle through the connecting blocks, so that the protective door panels can be merged, and debris and dust can be prevented from flying out during processing to cause safety accidents. During processing, the exhaust fan can drive the connecting pipe 1, the connecting pipe 2 and the suction pipe to absorb hot air and dust, and the suction nozzle on the suction pipe can suck them into the filter box, so that the dust therein contacts with water and precipitates, and then the harmful gas is adsorbed and filtered through the activated carbon, which can reduce the discharge of harmful gas and dust and pollute the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0016] Figure 3 It is a schematic diagram of the back cross-sectional structure of the die-casting box, the protective door plate, and the bidirectional screw rod of the present invention;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the die-casting box, the protective door plate, and the bidirectional screw rod of the present invention from a top view;

[0018] Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle;

[0019] In the figure: 1. die casting box; 2. protective door panel; 3. filter box; 4. exhaust fan; 5. motor cover; 6. connecting pipe 1; 7. connecting pipe 2; 8. cooling pipe; 9. infrared sensor; 10. activated carbon; 11. slide 1; 12. suction pipe; 13. suction nozzle; 14. slide 2; 15. support block; 16. motor; 17. gear 1; 18. gear 2; 19. bidirectional screw; 20. connecting block; 21. brush plate; 22. baffle; 23. annular limit plate; 24. threaded block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-5An embodiment of the present invention is as follows: a protective door safety device for a die-casting machine during mold closing, comprising a die-casting box 1 and a protective door plate 2, an opening is provided on the front of the die-casting box 1, and a protective door plate 2 is provided near the opening in the die-casting box 1, an infrared sensor 9 is provided at the middle position of the outer side of the protective door plate 2, and a slot is provided on the die-casting box 1 corresponding to the side of the protective door plate 2, a bidirectional screw rod 19 is provided in the die-casting box 1 at the top of the inner side of the protective door plate 2, and a gear 2 18 is provided in the middle position of the bidirectional screw rod 19, and an annular limiting plate 23 is provided on the bidirectional screw rod 19 on both sides of the gear 2 18, threaded blocks 24 are provided at both ends of the bidirectional screw rod 19, and a connecting block 20 is provided at the middle position of the threaded block 24 close to one side of the protective door plate 2, and the connecting block 20 The other end is connected to the corresponding protective door panel 2, the die-casting box 1 with grooves on both sides of the protective door panel 2 is provided with an air suction pipe 12, and the side of the air suction pipe 12 close to the protective door panel 2 is provided with an air suction nozzle 13, a filter box 3 is provided on one side of the top of the die-casting box 1, and a water tank is provided at the bottom of the filter box 3, a chute 11 is provided in the filter box 3 on both sides above the water tank, and activated carbon 10 is slidably connected between the chute 11, a chute 2 14 is provided at the bottom of the die-casting box 1 corresponding to the protective door panel 2, and a support block 15 is slidably connected to the bottom of the protective door panel 2 away from the side of the chute 2 14, and the top of the support block 15 is connected to the protective door panel 2, a connecting pipe 16 is provided on one side above the water tank of the filter box 3, and a connecting pipe 16 is provided at the other side of the filter box 3 corresponding to the connecting pipe 16 Tube 2 7, and the other ends of connecting tube 2 7 and connecting tube 1 6 are extended into the die casting box 1 and connected to the suction pipe 12, a motor cover 5 is provided at the position corresponding to gear 2 18 on the top of the die casting box 1, and a motor 16 is provided in the motor cover 5, the output end of the motor 16 extends to the die casting box 1 and is provided with a gear 17, and the gear 17 and the gear 2 18 are meshed with each other, an exhaust fan 4 is provided at the middle position of one side of the top of the filter box 3, and the output end of the exhaust fan 4 extends into the filter box 3, a sealing door is hinged at the position corresponding to the activated carbon 10 on the front of the filter box 3, and a sewage pipe is provided at the bottom end of one side of the filter box 3, so that the motor 16 drives the gear 17 on the output shaft to rotate, the gear 17 drives the gear 2 18 meshing therewith to rotate, and the gear 2 18 drives the screws at both ends of the bidirectional screw rod 19 The pattern block 24 moves, so that the thread block 24 drives the protective door panel 2 to move toward the middle through the connecting block 20, so that the protective door panel 2 can be merged, which can prevent debris and dust from flying out during processing and causing safety accidents. When the protective door panel 2 moves, it can drive the bottom support block 15 to move in the second slide groove 14, which can make its movement more stable. After merging, the infrared sensor 9 can sense the merged information and transmit it to the control system, which controls the die-casting mold assembly in the die-casting box 1 for processing. During processing, a certain amount of hot air and dust will fly out from the slot, which can drive the exhaust fan 4 to drive the connecting pipe 1 6, the connecting pipe 2 7 and the suction pipe 12 to absorb the hot air and dust, so that the suction nozzle 13 on the suction pipe 12 sucks it into the filter box 3, so that the dust in it contacts with water and precipitates.Then, the harmful gas is adsorbed and filtered through the activated carbon 10, which can reduce the emission of harmful gas and dust and pollute the surrounding environment;

[0022] Cooling pipes 8 are evenly laid inside the protective door panel 2, and the top and bottom of the cooling pipe 8 near the slotted side are provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe of the cooling pipe 8 are connected to the external cooling box through the slot, so that after the workpiece is die-casted, the coolant can be sent into the cooling pipe 8 for circulating liquid delivery, which can accelerate the cooling of the protective door panel 2 and prevent workers from accidentally touching the protective door panel 2 after the workpiece is die-casted, causing safety hazards;

[0023] A baffle 22 is provided in the die-casting box 1 on the side of the bidirectional screw rod 19 away from the protective door panel 2, and brush plates 21 are provided on the inner walls of the die-casting box 1 at both ends of the bidirectional screw rod 19 close to the protective door panel 2, and the bristles on the inner side of the brush plate 21 are in contact with the protective door panel 2, so that the baffle 22 blocks the bidirectional screw rod 19 to prevent dust and debris from splashing onto the bidirectional screw rod 19 and affecting its normal rotation, and when the protective door panel 2 moves apart, the brush plates 21 on both sides can clean it to prevent it from sticking to the inner side of the protective door panel 2 and affecting the movement effect of the protective door panel 2.

[0024] When the embodiment of the present application is in use, the motor 16 drives the gear 17 on the output shaft to rotate, and the gear 17 drives the gear 2 18 meshing with it to rotate, and the gear 2 18 drives the threaded blocks 24 at both ends of the bidirectional screw rod 19 to move, so that the threaded blocks 24 drive the protective door panel 2 to move toward the middle through the connecting block 20. During the movement, the annular limit plate 23 can limit it to prevent it from moving to the gear 2 18 and affecting the normal operation of the gear 17. When the protective door panel 2 moves and merges, it can prevent debris and dust from flying out during processing and causing safety accidents. When the protective door panel 2 moves, it can drive the support block 15 at the bottom to move in the slide groove 2 14, which can make its movement more stable. After merging, the infrared sensor 9 can sense the merged information and transmit it to the control system, and the control system controls the die-casting mold assembly in the die-casting box 1 to process. During processing, a certain amount of heat and dust will be emitted from When the dust flies out from the slot, the exhaust fan 4 can drive the connecting pipe 1 6, the connecting pipe 2 7 and the suction pipe 12 to absorb the hot air and dust, and the suction nozzle 13 on the suction pipe 12 sucks it into the filter box 3, so that the dust in it contacts with water and precipitates, and then the harmful gas is adsorbed and filtered by the activated carbon 10, which can reduce the discharge of harmful gas and dust and pollute the surrounding environment. During processing, the baffle 22 can block the two-way screw rod 19 to prevent dust and debris from splashing onto the two-way screw rod 19 and affecting its normal rotation. After the workpiece is processed, the protective door panel 2 can be moved apart, and the brush plates 21 on both sides can be used to clean it to prevent it from sticking to the inner side of the protective door panel 2 and affecting the movement effect of the protective door panel 2. At the same time, the coolant can be sent into the cooling pipe 8 for circulating liquid delivery, which can accelerate the cooling of the protective door panel 2 and prevent workers from accidentally touching the protective door panel 2 after the workpiece is die-cast, causing safety hazards.

[0025] Obviously, the above-described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

Claims

1. A protective door safety device for a die-casting machine during mold closing, characterized in that: The invention comprises a die-casting box (1) and a protective door plate (2), wherein the front of the die-casting box (1) is provided with an opening, and a protective door plate (2) is provided in a position close to the opening in the die-casting box (1), an infrared sensor (9) is provided at the middle position of the outer side of the protective door plate (2), and the die-casting box (1) corresponding to the side of the protective door plate (2) is provided with a slot, a bidirectional screw rod (19) is provided in the die-casting box (1) at the top of the inner side of the protective door plate (2), and a gear 2 (18) is provided in the middle position of the bidirectional screw rod (19), and an annular limit plate (23) is provided on the bidirectional screw rod (19) on both sides of the gear 2 (18), and both ends of the bidirectional screw rod (19) are provided with A threaded block (24) is provided, and a connecting block (20) is provided in the middle position of the threaded block (24) near the side of the protective door plate (2), and the other end of the connecting block (20) is connected to the corresponding protective door plate (2), and the die-casting box (1) with grooves on both sides of the protective door plate (2) is provided with an air suction pipe (12), and the air suction pipe (12) is provided with an air suction nozzle (13) on the side near the protective door plate (2), a filter box (3) is provided on one side of the top of the die-casting box (1), and a water tank is provided at the bottom of the filter box (3), and a slide groove (11) is provided in the filter box (3) on both sides above the water tank, and activated carbon (10) is slidably connected between the slide grooves (11).

2. A protective door safety device for a die-casting machine during mold closing according to claim 1, characterized in that: The protective door panel (2) is evenly provided with cooling pipes (8), and the top and bottom ends of the cooling pipes (8) close to the slot are provided with liquid inlet pipes and liquid outlet pipes, and the liquid inlet pipes and liquid outlet pipes of the cooling pipes (8) are connected to an external cooling box through the slot.

3. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: A baffle (22) is provided in the die-casting box (1) on the side of the bidirectional screw rod (19) away from the protective door plate (2), and brush plates (21) are provided on the inner walls of the die-casting box (1) at both ends of the side of the bidirectional screw rod (19) close to the protective door plate (2), and the bristles on the inner side of the brush plates (21) are in contact with the protective door plate (2).

4. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: A second slide groove (14) is provided at the position of the protective door plate (2) at the bottom of the die-casting box (1), and the bottom of the protective door plate (2) on the side away from the groove in the second slide groove (14) is slidably connected with a support block (15), and the top of the support block (15) is connected to the protective door plate (2).

5. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: A connecting pipe 1 (6) is provided on one side above the water tank of the filter box (3), and a connecting pipe 2 (7) is provided on the other side of the filter box (3) at a position corresponding to the connecting pipe 1 (6), and the other ends of the connecting pipe 2 (7) and the connecting pipe 1 (6) both extend into the die-casting box (1) and are connected to the suction pipe (12).

6. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: A motor cover (5) is provided at a position corresponding to the second gear (18) on the top of the die casting box (1), and a motor (16) is provided in the motor cover (5). The output end of the motor (16) extends to the die casting box (1) where a first gear (17) is provided, and the first gear (17) and the second gear (18) are meshed with each other.

7. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: An exhaust fan (4) is provided at a middle position on one side of the top of the filter box (3), and an output end of the exhaust fan (4) extends into the filter box (3).

8. The protective door safety device for die-casting machine during mold closing according to claim 1, characterized in that: A sealing door is hingedly connected to the front of the filter box (3) at a position corresponding to the activated carbon (10), and a sewage discharge pipe is provided at the bottom end of one side of the filter box (3).

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