Die-casting die with quick discharge structure

Abstract

The utility model discloses a die-casting die with a quick discharge structure, which comprises two positioning seats, a jacking mechanism fixedly mounted between the two positioning seats, vertical rods fixedly mounted at the top ends of the two positioning seats, a top plate fixedly mounted at the top end between the two vertical rods, and a die-casting mechanism fixedly mounted in the middle of the top plate. A first die plate is arranged at the bottom end of the die-casting mechanism, an upper die block is fixedly installed at the bottom end of the first die plate, an exhaust mechanism fixedly communicates with the top end of the first die plate, lifting blocks are slidably connected to the middles of the two vertical rods, and a second die plate is fixedly installed between the two lifting blocks; according to the die-casting die with the rapid exhaust structure, the exhaust mechanism is arranged, compared with traditional single cooling water cooling, the sealing plug ascends and descends relative to the exhaust barrel, hot air generated in the die is exhausted through the exhaust barrel, the cooling speed of the die-casting die is increased, and the production efficiency of the die-casting die is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting moulds, in particular to a die casting mould with a quick discharge structure. Background Art

[0002] A die-casting mold is a tool for casting metal parts. It is a tool that completes the die-casting process on a special die-casting forging machine. The application range of die-casting molds is very wide, and their functions cannot be replaced by other machines. When the die-casting mold is working, the molten metal is first cast and filled into the mold cavity at a low speed or high speed. The mold has a movable cavity surface, which is pressurized and forged as the molten metal cools.

[0003] However, traditional die-casting molds have the following disadvantages:

[0004] After die-casting, traditional die-casting molds need to be cooled with cooling water. The cooling speed of cooling water is slow, which reduces the production efficiency of the die-casting mold. Utility Model Content

[0005] The purpose of the utility model is to provide a die-casting mold with a quick discharge structure to solve the problem that the traditional die-casting mold proposed in the above background technology needs to be cooled by cooling water after die-casting, and the cooling speed of the cooling water is slow, which reduces the production efficiency of the die-casting mold.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-casting mold with a quick discharge structure, comprising two positioning seats, a lifting mechanism fixedly installed between the two positioning seats, vertical rods fixedly installed on the top ends of the two positioning seats, a top plate fixedly installed on the top end between the two vertical rods, a die-casting mechanism fixedly installed in the middle of the top plate, a first mold plate provided at the bottom end of the die-casting mechanism, an upper module fixedly installed at the bottom end of the first mold plate, an exhaust mechanism fixedly connected to the top end of the first mold plate, a lifting block slidably connected to the middle ends of the two vertical rods, a second mold plate fixedly installed between the two lifting blocks, a mold cavity is provided in the middle of the top end of the second mold plate, and the die-casting mechanism comprises two sliding rods and two The top ends of the two sliding rods are respectively fixedly connected to the bottom ends of the two baffles, and a lifting cylinder is arranged between the two sliding rods. The exhaust mechanism comprises two vertical plates and a limit plate, and the top ends of the two vertical plates are respectively fixedly connected to the two sides of the bottom ends of the limit plates, and the middle part of the bottom ends of the limit plates is rotatably connected with a screw rod, and the bottom end of the screw rod is threadedly connected with a pushing shell, and the bottom end of the pushing shell is installed with a mounting plate, an exhaust pipe is arranged between the two vertical plates, and a sealing plug which is clamped and connected with the exhaust pipe is fixedly installed at the bottom end of the mounting plate. The lifting mechanism comprises a connecting plate and two fixed plates, and the two sides of the top end of the connecting plate are respectively fixedly connected to the bottom ends of the two fixed plates, and a screw rod is rotatably connected between the two fixed plates, and a positioning platform is arranged at the top end of the connecting plate.

[0007] Preferably, the bottom ends of the two sliding rods are respectively fixedly connected to the two sides of the top end of the first mold plate, the movable end of the lifting cylinder is fixedly connected to the middle part of the top end of the first mold plate, springs are fixedly installed on the surfaces of the two baffles, and the bottom ends of the two springs are fixedly connected to the side opposite to the top plate. During the lifting and lowering process of the first mold plate, the sliding rod is driven to slide relative to the top plate, thereby increasing the stability of the lifting and lowering of the first mold plate.

[0008] Preferably, the middle parts of the two sliding rods are respectively slidably connected to the two sides of the top of the top plate, and the middle part of the lifting cylinder is fixedly connected to the middle part of the top plate. The lifting cylinder performs telescopic movement, and the lifting cylinder pushes the first mold plate from the top to adjust the height of the first mold plate.

[0009] Preferably, the bottom ends of the two vertical plates are fixedly connected to the side opposite to the first mold plate, the bottom end of the exhaust pipe is fixedly connected to the side opposite to the first mold plate, the top of the limit plate is fixedly connected to a micro motor that drives the screw to rotate, and both sides of the top of the mounting plate are fixedly installed with lifting rods that are slidably connected to the limit plate. The micro motor starts after being energized, and the micro motor drives the screw to rotate. The thread on the surface of the screw matches the thread on the inner wall of the push shell, and the push shell pushes the mounting plate, so that the sealing plug moves away from the exhaust pipe to complete the exhaust, and the sealing plug moves close to the exhaust pipe to complete the sealing.

[0010] Preferably, the surface thread of the screw is connected to two sliding blocks slidably connected to the connecting plate, the rotation directions of the screw and the sliding blocks are opposite, the top ends of the two sliding blocks are rotatably connected to pull rods, the top ends of the two pull rods are respectively rotatably connected to the two ends of the positioning platform, the top end of the positioning platform is fixedly connected to the bottom end of the second mold plate, the two sides of the connecting plate are respectively fixedly connected to the side opposite to the two positioning seats, the jacking mechanism is installed on the positioning seat through the connecting plate, and the jacking mechanism is installed on the second mold plate through the positioning platform, the screw has two threads in opposite directions with its own center line as the dividing line, the threads on the inner walls of the two sliding blocks are respectively matched with the threads on the surface of the screw, the two sliding blocks are limited by the connecting plate, so the two sliding blocks slide relatively along the screw, the two sliding blocks pull the pull rod from one end, the pull rod is deflected at an angle relative to the positioning platform, the vertical angle of the pull rod itself changes, and the distance between the connecting plate and the second mold plate is adjusted.

[0011] Preferably, a motor frame is fixedly mounted on the surface of the connecting plate, a servo motor is fixedly mounted on the surface of the motor frame, an active umbrella-shaped bevel gear is fixedly mounted on the output end of the servo motor, a driven umbrella-shaped bevel gear is fixedly mounted on one end of the screw, the outer side of the active umbrella-shaped bevel gear is meshingly connected with the outer side of the driven umbrella-shaped bevel gear, the servo motor is started after being energized, the servo motor drives the active umbrella-shaped bevel gear to rotate, the active umbrella-shaped bevel gear contacts with the driven umbrella-shaped bevel gear, and the driven umbrella-shaped bevel gear drives the screw to rotate.

[0012] Preferably, the upper module is arranged corresponding to the mold cavity, one end of the second mold plate is fixedly connected to a cooling water injection hose extending to the outside, and the other end of the second mold plate is fixedly connected to a cooling water discharge hose extending to the outside, and the cooling water used for cooling is injected into the second mold plate through the cooling water injection hose, and then the used cooling water is discharged to the external device through the cooling water discharge hose.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By setting up an exhaust mechanism, compared with the traditional single cooling water cooling, the sealing plug is raised and lowered relative to the exhaust pipe, so that the hot air generated in the mold is discharged through the exhaust pipe, which improves the cooling speed of the die-casting mold and improves the production efficiency of the die-casting mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a side view of the utility model;

[0016] Figure 2 It is a side view of the exhaust mechanism of the utility model;

[0017] Figure 3It is a side view of the jacking mechanism of the utility model;

[0018] Figure 4 This is a connection diagram between the die-casting mechanism and the first mold plate of the utility model.

[0019] In the figure: 1. positioning seat; 2. vertical rod; 3. top plate; 4. die-casting mechanism; 41. sliding rod; 42. baffle; 43. lifting cylinder; 44. spring; 5. exhaust mechanism; 51. vertical plate; 52. exhaust pipe; 53. sealing plug; 54. mounting plate; 55. lifting rod; 56. limit plate; 57. micro motor; 58. screw; 59. push shell; 6. first mold plate; 7. upper mold plate; 8. lifting block; 9. cooling water discharge hose; 10. second mold plate; 11. lifting mechanism; 111. connecting plate; 112. fixing plate; 113. sliding block; 114. pull rod; 115. positioning table; 116. screw; 117. driven umbrella-shaped helical gear; 118. active umbrella-shaped helical gear; 119. servo motor; 12. mold cavity; 13. cooling water injection hose. 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.

[0021] See also Figure 1-4The utility model provides a die-casting mold with a quick discharge structure, including two positioning seats 1, a lifting mechanism 11 is fixedly installed between the two positioning seats 1, a vertical rod 2 is fixedly installed on the top of the two positioning seats 1, a top plate 3 is fixedly installed on the top between the two vertical rods 2, a die-casting mechanism 4 is fixedly installed in the middle of the top plate 3, a first mold plate 6 is provided at the bottom end of the die-casting mechanism 4, an upper mold plate 7 is fixedly installed at the bottom end of the first mold plate 6, an exhaust mechanism 5 is fixedly connected to the top of the first mold plate 6, a lifting block 8 is slidably connected to the middle of the two vertical rods 2, a second mold plate 10 is fixedly installed between the two lifting blocks 8, a mold cavity 12 is opened in the middle of the top of the second mold plate 10, and the die-casting mechanism 4 includes two sliding rods 41 and two baffles 42, and the tops of the two sliding rods 41 are respectively connected to the two baffles 42. The bottom end is fixedly connected, a lifting cylinder 43 is provided between the two sliding rods 41, the exhaust mechanism 5 includes two vertical plates 51 and a limit plate 56, the top ends of the two vertical plates 51 are respectively fixedly connected to the two sides of the bottom end of the limit plate 56, the middle part of the bottom end of the limit plate 56 is rotatably connected with a screw rod 58, the bottom end of the screw rod 58 is threadedly connected with a pushing shell 59, the bottom end of the pushing shell 59 is installed with a mounting plate 54, an exhaust pipe 52 is provided between the two vertical plates 51, and a sealing plug 53 that is snap-fitted and connected to the exhaust pipe 52 is fixedly installed at the bottom end of the mounting plate 54. The lifting mechanism 11 includes a connecting plate 111 and two fixed plates 112, the two sides of the top end of the connecting plate 111 are respectively fixedly connected to the bottom ends of the two fixed plates 112, a screw rod 116 is rotatably connected between the two fixed plates 112, and a positioning platform 115 is provided at the top of the connecting plate 111.

[0022] The bottom ends of the two sliding rods 41 are fixedly connected to the two sides of the top of the first mold plate 6 respectively, the movable end of the lifting cylinder 43 is fixedly connected to the middle of the top of the first mold plate 6, and the surfaces of the two baffles 42 are fixedly installed with springs 44. The bottom ends of the two springs 44 are fixedly connected to the side opposite to the top plate 3. During the lifting and lowering process of the first mold plate 6, the sliding rods 41 are driven to slide relative to the top plate 3, thereby increasing the stability of the lifting and lowering of the first mold plate 6.

[0023] The middle parts of the two sliding rods 41 are slidably connected to the two sides of the top of the top plate 3 respectively, and the middle part of the lifting cylinder 43 is fixedly connected to the middle part of the top plate 3. The lifting cylinder 43 performs telescopic movement, and the lifting cylinder 43 pushes the first mold plate 6 from the top to adjust the height of the first mold plate 6.

[0024] The bottom ends of the two vertical plates 51 are fixedly connected to the side opposite to the first mold plate 6, the bottom end of the exhaust pipe 52 is fixedly connected to the side opposite to the first mold plate 6, the top of the limit plate 56 is fixedly connected to a micro motor 57 that drives the screw rod 58 to rotate, and both sides of the top of the mounting plate 54 are fixedly installed with lifting rods 55 that are slidably connected to the limit plate 56. The micro motor 57 is started after being energized, and the micro motor 57 drives the screw rod 58 to rotate. The thread on the surface of the screw rod 58 matches the thread on the inner wall of the push shell 59, and the push shell 59 pushes the mounting plate 54, so that the sealing plug 53 is away from the exhaust pipe 52 to complete the exhaust, or the sealing plug 53 is close to the exhaust pipe 52 to complete the sealing.

[0025] The surface of the screw rod 116 is threadedly connected with two slide blocks 113 that are slidably connected to the connecting plate 111. The top ends of the two slide blocks 113 are rotatably connected with the pull rods 114. The top ends of the two pull rods 114 are rotatably connected to the two ends of the positioning platform 115. The top end of the positioning platform 115 is fixedly connected to the bottom end of the second mold plate 10. The two sides of the connecting plate 111 are fixedly connected to the sides directly opposite to the two positioning seats 1. The lifting mechanism 11 is installed on the positioning seat 1 through the connecting plate 111, and the lifting mechanism 11 is installed on the second mold plate 10 through the positioning platform 115. The screw 116 has two threads in opposite directions with its own center line as the dividing line. The threads on the inner walls of the two sliding blocks 113 match the threads on the surface of the screw 116 respectively. The two sliding blocks 113 are limited by the connecting plate 111, so the two sliding blocks 113 slide relatively along the screw 116. The two sliding blocks 113 pull the pull rod 114 from one end, and the pull rod 114 deflects at an angle relative to the positioning platform 115. The vertical angle of the pull rod 114 itself changes, and the distance between the connecting plate 111 and the second mold plate 10 is adjusted.

[0026] A motor frame is fixedly installed on the surface of the connecting plate 111, and a servo motor 119 is fixedly installed on the surface of the motor frame. An active umbrella-shaped bevel gear 118 is fixedly installed on the output end of the servo motor 119, and a driven umbrella-shaped bevel gear 117 is fixedly installed on one end of the screw 116. The outer side of the active umbrella-shaped bevel gear 118 is meshed and connected with the outer side of the driven umbrella-shaped bevel gear 117. The servo motor 119 is started after being energized, and the servo motor 119 drives the active umbrella-shaped bevel gear 118 to rotate, and the active umbrella-shaped bevel gear 118 contacts the driven umbrella-shaped bevel gear 117, and the driven umbrella-shaped bevel gear 117 drives the screw 116 to rotate.

[0027] The upper module 7 is arranged corresponding to the mold cavity 12. One end of the second mold plate 10 is fixedly connected to a cooling water injection hose 13 extending to the outside. The other end of the second mold plate 10 is fixedly connected to a cooling water discharge hose 9 extending to the outside. The cooling water used for cooling is injected into the second mold plate 10 through the cooling water injection hose 13, and then the used cooling water is discharged to the external device through the cooling water discharge hose 9.

[0028] When the embodiment of the present application is in use: the raw material is injected into the mold cavity 12, the lifting cylinder 43 performs telescopic movement, the lifting cylinder 43 pushes the first mold plate 6 from the top to adjust the height of the first mold plate 6, so that the upper module 7 is stuck in the mold cavity 12 for die casting, and after die casting, the cooling water used for cooling is injected into the second mold plate 10 through the cooling water injection hose 13, the micro motor 57 is powered on and started, the micro motor 57 drives the screw rod 58 to rotate, the thread on the surface of the screw rod 58 matches the thread on the inner wall of the push shell 59, and the push shell 59 pushes the mounting plate 54, so that the sealing plug 53 is away from the exhaust pipe 52 to complete the exhaust, and then, the used cooling water is discharged to the external device through the cooling water discharge hose 9, and the servo motor 119 is powered on and started. The machine 119 drives the active umbrella-shaped bevel gear 118 to rotate, and the active umbrella-shaped bevel gear 118 contacts the driven umbrella-shaped bevel gear 117. The driven umbrella-shaped bevel gear 117 drives the screw 116 to rotate. The screw 116 has two threads in opposite directions with its own center line as the dividing line. The threads on the inner walls of the two sliding blocks 113 match the threads on the surface of the screw 116 respectively. The two sliding blocks 113 are limited by the connecting plate 111, so the two sliding blocks 113 slide relatively along the screw 116. The two sliding blocks 113 pull the pull rod 114 from one end, and the pull rod 114 is deflected at an angle relative to the positioning table 115. The vertical angle of the pull rod 114 itself changes, and the distance between the connecting plate 111 and the second mold plate 10 is adjusted to complete the demolding.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A die-casting mold with a quick discharge structure, comprising two positioning seats (1), characterized in that: A lifting mechanism (11) is fixedly installed between the two positioning seats (1), a vertical rod (2) is fixedly installed on the top of the two positioning seats (1), a top plate (3) is fixedly installed on the top between the two vertical rods (2), a die-casting mechanism (4) is fixedly installed in the middle of the top plate (3), a first mold plate (6) is provided at the bottom end of the die-casting mechanism (4), an upper mold plate (7) is fixedly installed at the bottom end of the first mold plate (6), and a top mold plate (7) is fixedly installed at the top end of the first mold plate (6). The die-casting mechanism (4) is connected to an exhaust mechanism (5), the middle parts of the two vertical rods (2) are slidably connected to a lifting block (8), a second mold plate (10) is fixedly installed between the two lifting blocks (8), a mold cavity (12) is opened in the middle part of the top of the second mold plate (10), and the die-casting mechanism (4) includes two sliding rods (41) and two baffles (42), the top ends of the two sliding rods (41) are fixedly connected to the bottom ends of the two baffles (42), and the two sliding rods (41) are fixedly connected to the bottom ends of the two baffles (42). A lifting cylinder (43) is provided between the two vertical plates (51), the exhaust mechanism (5) comprises two vertical plates (51) and a limit plate (56), the top ends of the two vertical plates (51) are respectively fixedly connected to the two sides of the bottom end of the limit plate (56), the middle part of the bottom end of the limit plate (56) is rotatably connected to a screw rod (58), the bottom end of the screw rod (58) is threadedly connected to a push shell (59), the bottom end of the push shell (59) is installed with a mounting plate (54), and an exhaust is provided between the two vertical plates (51). The bottom end of the mounting plate (54) is fixedly mounted with a sealing plug (53) which is snap-fitted with the exhaust pipe (52); the lifting mechanism (11) comprises a connecting plate (111) and two fixing plates (112); the two sides of the top end of the connecting plate (111) are respectively fixedly connected to the bottom ends of the two fixing plates (112); a screw rod (116) is rotatably connected between the two fixing plates (112); and a positioning platform (115) is provided at the top end of the connecting plate (111).

2. A die-casting mold with a quick discharge structure according to claim 1, characterized in that: The bottom ends of the two sliding rods (41) are respectively fixedly connected to the two sides of the top of the first mold plate (6), the movable end of the lifting cylinder (43) is fixedly connected to the middle of the top of the first mold plate (6), and springs (44) are fixedly installed on the surfaces of the two baffles (42), and the bottom ends of the two springs (44) are fixedly connected to the side opposite to the top plate (3).

3. The die-casting mold with a quick discharge structure according to claim 1, characterized in that: The middle parts of the two sliding rods (41) are respectively slidably connected to the two sides of the top end of the top plate (3), and the middle part of the lifting cylinder (43) is fixedly connected to the middle part of the top plate (3).

4. The die-casting mold with a quick discharge structure according to claim 1, characterized in that: The bottom ends of the two vertical plates (51) are fixedly connected to the side opposite to the first mold plate (6), the bottom end of the exhaust pipe (52) is fixedly connected to the side opposite to the first mold plate (6), the top end of the limit plate (56) is fixedly connected to a micro motor (57) for driving the screw rod (58) to rotate, and lifting rods (55) slidably connected to the limit plate (56) are fixedly installed on both sides of the top end of the mounting plate (54).

5. The die-casting mold with a quick discharge structure according to claim 1, characterized in that: The surface of the screw rod (116) is threadedly connected to two sliding blocks (113) which are slidably connected to the connecting plate (111). The rotation directions of the connections between the screw rod (116) and the sliding blocks (113) are opposite. The top ends of the two sliding blocks (113) are rotatably connected to pull rods (114). The top ends of the two pull rods (114) are rotatably connected to the two ends of the positioning platform (115), respectively. The top end of the positioning platform (115) is fixedly connected to the bottom end of the second mold plate (10), and the two sides of the connecting plate (111) are fixedly connected to the sides directly opposite to the two positioning seats (1).

6. The die-casting mold with a quick discharge structure according to claim 1, characterized in that: A motor frame is fixedly mounted on the surface of the connecting plate (111), a servo motor (119) is fixedly mounted on the surface of the motor frame, an active umbrella-shaped helical tooth (118) is fixedly mounted on the output end of the servo motor (119), a driven umbrella-shaped helical tooth (117) is fixedly mounted on one end of the screw rod (116), and the outer side of the active umbrella-shaped helical tooth (118) is meshingly connected with the outer side of the driven umbrella-shaped helical tooth (117).

7. The die-casting mold with a quick discharge structure according to claim 1, characterized in that: The upper module (7) is arranged corresponding to the mold cavity (12), one end of the second mold plate (10) is fixedly connected to a cooling water injection hose (13) extending to the outside, and the other end of the second mold plate (10) is fixedly connected to a cooling water discharge hose (9) extending to the outside.

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