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CN-121755672-B - Die casting machine with cooling circulation for producing automobile coolant side support

CN121755672BCN 121755672 BCN121755672 BCN 121755672BCN-121755672-B

Abstract

The invention relates to the technical field of automobile part die casting, in particular to a die casting machine with cooling circulation for producing an automobile refrigerant side bracket, which comprises a die casting rack, wherein a melting hopper is arranged above the die casting rack, injection equipment is arranged on one side of the die casting rack, a fixed die assembly and a movable die assembly are arranged in the middle of the upper surface of the die casting rack, the fixed die assembly is fixedly arranged on one side close to the injection equipment, and a movable die driving assembly is arranged on one side of the movable die assembly.

Inventors

  • SUN RUITING
  • HE QIAOLONG
  • YIN JIE

Assignees

  • 江苏天龙车辆部件有限公司

Dates

Publication Date
20260508
Application Date
20260228

Claims (8)

  1. 1. The die casting machine with the cooling circulation for the production of the automobile coolant side bracket comprises a die casting rack (1), a melting hopper (2) is arranged above the die casting rack (1), injection equipment (3) is arranged on one side of the die casting rack (1), and the die casting machine is characterized in that a fixed die assembly (4) and a movable die assembly (5) are arranged in the middle of the upper surface of the die casting rack (1), the fixed die assembly (4) is fixedly arranged on one side close to the injection equipment (3), a movable die driving assembly (6) is arranged on one side of the movable die assembly (5), a fixed die back cover plate (41) is fixedly arranged on one side surface of the fixed die assembly (4), a runner I (45) is arranged on one side inner wall of the fixed die assembly (4) close to the movable die assembly (5), a first sealing ring (42) is fixedly arranged on one side surface of the fixed die assembly (4), a second sealing groove (43) is arranged on the outer side of the first sealing ring (42), a locking sleeve (44) is distributed between the second sealing groove (43) and the first sealing ring (42), a cooling runner I (49) is arranged on one side of the fixed die assembly (4) close to the movable die assembly (4), a cooling runner II (49) is arranged on one side of the fixed die assembly (4), the fixed mold cooling runner (49) is arranged at the outer side of the runner I (45), a W-shaped cold water diversion groove (56) is formed in the side wall of the cooling water backflow runner (491), the cooling water backflow port (492) is communicated with the fixed mold cooling runner (49), a cooling water outlet branch pipe (48) is fixedly arranged on the side wall of the fixed mold cooling runner (49), the cooling water outlet branch pipe (48) penetrates through the side wall of the fixed mold assembly (4), the mold closing locking sleeve (44) is communicated with the fixed mold cooling runner (49), a W-shaped cold water diversion groove (56) is formed in the inner wall of one side of the movable mold assembly (5) close to the movable mold back cover plate (51), a movable mold cooling deep runner (58), a movable mold cooling central deep runner (581) and a movable mold cooling central shallow runner (582) are further arranged on the inner wall of the movable mold cooling central deep runner (581), a movable mold cooling valve core (59) is arranged on the inner wall of the movable mold assembly, a sliding valve (591) penetrates through the movable mold cooling runner (59), a sliding valve (591) is arranged on the inner side of the movable mold cooling runner (59), an adjusting block (592) is arranged between the through valve pipes (59).
  2. 2. A cooling-cycle die casting machine for producing side brackets of automobile coolant according to claim 1, wherein said mold clamping locking sleeve (44) is fixedly mounted on a side surface of the stationary mold assembly (4).
  3. 3. The die casting machine with cooling circulation for producing the automobile coolant side bracket according to claim 2, wherein a first sealing groove (52) is formed in the surface, close to the fixed die assembly (4), of the movable die assembly (5), a second sealing ring (53) is arranged on the outer side of the first sealing groove (52), the second sealing ring (53) is fixedly arranged on the side surface of the movable die assembly (5), locking movable pipes (54) are distributed between the second sealing ring (53) and the first sealing groove (52), and the positions of the locking movable pipes (54) correspond to the positions of the die locking sleeve (44).
  4. 4. The die casting machine with cooling circulation for producing the automobile coolant side bracket according to claim 3, wherein one side of the injection device (3) is fixedly connected with the side surface of the fixed die back cover plate (41), a total casting groove (46) is formed in the middle of the inner wall of the other side of the fixed die assembly (4), an injection nozzle of the injection device (3) penetrates through the inner wall of the fixed die back cover plate (41) and is communicated with the total casting groove (46), a casting split-flow opening (461) is formed in the side wall of the total casting groove (46), a main casting opening (451) and an auxiliary casting nozzle (452) are distributed in the first runner (45), and the casting split-flow opening (461) is communicated with one side of the main casting opening (451) and one side of the auxiliary casting nozzle (452) respectively.
  5. 5. The die casting machine with cooling circulation for producing the automobile coolant side bracket according to claim 4, wherein an auxiliary casting groove (47) is arranged on one side of the main casting groove (46), a return port (471) is formed in the side wall of the auxiliary casting groove (47), the return port (471) is communicated with the other side of the auxiliary casting nozzle (452), an extrusion gasket (473) is slidably arranged in the auxiliary casting groove (47), and an auxiliary telescopic rod (472) for driving the extrusion gasket (473) to slide is fixedly arranged on the outer side of the fixed die rear cover plate (41).
  6. 6. The die casting machine with cooling circulation for producing the automobile coolant side bracket according to claim 1, wherein a heat dissipation copper column (493) is fixedly arranged on the inner surface of the fixed die cooling flow passage (49), the position of the heat dissipation copper column (493) corresponds to the position of a die clamping locking sleeve (44), a heat dissipation fin (494) is arranged on one side, close to a first flow passage (45), of the inside of the fixed die cooling flow passage (49), a locking lug (4941) is fixedly arranged on one side surface of the heat dissipation fin (494), an elastic gasket (4942) is fixedly arranged on the other side surface of the heat dissipation fin (494), one end of the elastic gasket (4942) is fixedly connected with the side wall of the fixed die cooling flow passage (49), the locking lug (4941) is distributed on one side of the heat dissipation copper column (493), and a pressing cam assembly (495) is rotatably arranged in the inside of the fixed die cooling flow passage (49).
  7. 7. The die casting machine with cooling circulation for producing the automobile coolant side bracket according to claim 1, wherein a cold water diversion opening (561) is formed in the W-shaped cold water diversion groove (56), the cold water diversion opening (561) is respectively communicated with the movable mold cooling deep runner (58) and the movable mold cooling center deep runner (581), a cooling water outflow groove (57) is formed in one side of the W-shaped cold water diversion groove (56), a cooling water outlet (571) is formed in the cooling water outflow groove (57), the cooling water outlet (571) is communicated with the movable mold cooling center shallow runner (582), a cold water injection pipe (562) and a cooling water outlet main pipe (572) are fixedly arranged on the side wall of the movable mold rear cover plate (51), the cold water injection pipe (562) is communicated with the inside of the W-shaped cold water diversion groove (56), and the cooling water outlet main pipe (572) is communicated with the inside of the cooling water outflow groove (57).
  8. 8. The die casting machine with cooling circulation for producing the automobile refrigerant side bracket according to claim 3, wherein one end of the locking movable tube (54) is communicated with the inside of the movable mold cooling deep runner (58), a movable tube head (541) is sleeved outside the other end of the locking movable tube (54), a locking groove (5411) is formed in the side wall of the movable tube head (541), a water outlet groove (542) is formed in the side wall of the locking movable tube (54), a reset spring seat (543) is fixedly installed inside the locking movable tube (54), and one end of the reset spring seat (543) is fixedly connected with the inner surface of the movable tube head (541).

Description

Die casting machine with cooling circulation for producing automobile coolant side support Technical Field The invention belongs to the technical field of automobile part die casting, and particularly relates to a die casting machine with cooling circulation for producing an automobile refrigerant side bracket. Background The automobile coolant side bracket is also called a coolant pipe fixing bracket or an air conditioner pipe clamp, and mainly aims to firmly fix two aluminum coolant pipes on a longitudinal beam or an auxiliary frame of a vehicle body, and the coolant side bracket is used as a core bearing part of the automobile coolant pipe, so that the three high standards of high structural strength, high assembly precision and high production efficiency are required to be met at the same time. The main stream production mode in the industry at present is a step-by-step flow of 'die casting forming, manual transferring, turning deburring, CNC drilling and tapping screw thread, manual detection', and most of used equipment is universal equipment, and a special manufacturing system for the coolant side bracket is not formed. The problem that the casting is loose inside, cold-proof defect and thin wall position are filled incompletely because of the aluminium alloy mobility is not enough can appear when the coolant side support adopts ordinary die casting machine production, in order to guarantee aluminium alloy mobility, prior art scheme generally adopts to promote die casting pressure in die casting link, perhaps preheats the mould, prolongs dwell time, reduces the local difference in temperature of foundry goods, reduces cold-proof risk, but can appear the die casting machine again and accomplish the back at die casting work piece, work piece refrigerated inefficiency, the unstable problem of local cooling temperature. The prior art patent document CN117226070a proposes a die casting machine for producing automobile brake system accessories, which adopts a set of cooling components to reduce the temperature around the die casting mold through the circulation of cooling liquid, and simultaneously controls the flow rate of the cooling liquid according to a temperature sensor to solve the technical problems, however, in the above manner, as the hoop region of the coolant side bracket is thinnest and the bolt boss is thickest, the water cooling channel firstly contracts once being close to the thin wall region, the aluminum liquid feeding path is cooled in advance to cause poor fluidity, and the thick wall region is in contrast provided with secondary shrinkage cavity, thereby finally affecting the casting quality of the coolant side bracket. Therefore, the invention provides a die casting machine with cooling circulation for producing an automobile coolant side bracket, so as to solve the problems in the prior art. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide a die casting machine with cooling circulation for producing an automobile coolant side bracket, so as to solve the problems in the prior art. The die casting machine with the cooling circulation for producing the automobile coolant side bracket comprises a die casting machine frame, wherein a melting hopper is arranged above the die casting machine frame, injection equipment is arranged on one side of the die casting machine frame, a fixed die assembly and a movable die assembly are arranged in the middle of the upper surface of the die casting machine frame, the fixed die assembly is fixedly arranged on one side close to the injection equipment, and a movable die driving assembly is arranged on one side of the movable die assembly. Preferably, a fixed die rear cover plate is fixedly arranged on one side surface of the fixed die assembly, a first runner is arranged on one side inner wall of the fixed die assembly, which is close to the movable die assembly, a first sealing ring is fixedly arranged on one side surface of the fixed die assembly, which is close to the movable die assembly, a second sealing groove is arranged on the outer side of the first sealing ring, a die closing locking sleeve is distributed between the second sealing groove and the first sealing ring, and the die closing locking sleeve is fixedly arranged on the side surface of the fixed die assembly. Preferably, a runner II is arranged on the inner wall of one side, close to the fixed die assembly, of the movable die assembly, a first sealing groove is arranged on the surface of one side, close to the fixed die assembly, of the movable die assembly, a second sealing ring is arranged on the outer side of the first sealing groove, the second sealing ring is fixedly arranged on the surface of one side of the movable die assembly, locking movable pipes are distributed between the second sealing ring and the first sealing groove, and the positions of the locking movable pipes correspond to the positions of the die assembly locking sleeve