Injection molding auxiliary mechanism for injection molding processing of automobile air conditioner clutch insulation framework

Abstract

The invention relates to the related technical field of injection molding, in particular to an injection molding auxiliary mechanism for injection molding processing of an automobile air conditioner clutch insulation framework, which comprises a fixed table, a rotating table, an auxiliary mold opening and closing mechanism and an auxiliary demolding mechanism, support legs are fixedly mounted on the lower surface of the fixed table, and the fixed table is divided into six areas; a release agent spraying area, an injection area, a first cooling area, a second cooling area, a third cooling area and a demolding area are sequentially arranged on the fixed table in the clockwise direction, and the rotating table is rotationally installed on the fixed table through a rotating shaft; the auxiliary mold opening and closing mechanism is formed by combining the first-stage guide rod, the first-stage reset spring, the first-stage stress ring and the upper stress rod, so that in the rotating process of the rotating table, the upper stress rod and the first-stage stress ring generate acting force, automatic opening and closing of the upper mold body and the lower mold body are achieved, the driving structure of equipment is simplified, and the production efficiency is improved. And daily circuit maintenance of the equipment by a worker is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field related to injection molding, in particular to an injection molding auxiliary mechanism for injection molding of an insulating skeleton of an automobile air-conditioning clutch. Background Art

[0002] Injection molding is the process of injecting molten plastic into a mold under the thrust of a plunger or screw, and then cooling it to obtain a finished product.

[0003] The existing Chinese patent document with the publication number CN119078095B discloses a rapid cooling type automobile parts injection molding device, which comprises a conical cylinder with a base and four injection mold units. The injection mold units are fixed in an annular array at the top opening of the conical cylinder. The injection mold units include a lower mold, an upper mold with a secondary heat conduction cavity, and a lifting block with a primary heat conduction cavity. The four injection mold units are provided with an annular sealing ring on the outside. The sealing ring has four groups of lower mold cavity liquid guide holes and upper mold cavity liquid guide holes respectively connected to the primary heat conduction cavity and the secondary heat conduction cavity. An annular support track is fixed on the outer wall of the conical cylinder, and the top end of the support track is slidably connected to a rotating ring that is rotatably sleeved on the outside of the conical cylinder, and the support track is provided with a driving mechanism that drives the rotating ring to rotate; a liquid guide box that is slidably and sealably connected to the outside of the sealing ring is installed above the rotating ring through a fixed bracket, and a liquid outlet hole 1 and a liquid outlet hole 2 are respectively opened at the two ends of the side wall of the liquid guide box close to the sealing ring. The liquid outlet hole 1 is connected to the primary heat conduction cavity on one injection mold unit through the lower mold cavity liquid guide hole, and the liquid outlet hole 2 is connected to the secondary heat conduction cavity on the other injection mold unit through the upper mold cavity liquid guide hole;

[0004] However, in the above scheme, when the injection mold unit is switched between various workstations, its filling port and liquid outlet pipe cannot be automatically connected to the liquid pump pipe. It is necessary to set up an independent control mechanism and drive mechanism to achieve docking, which requires the control mechanism of the device to be more precise, and too many circuit control units will make the overall inspection and maintenance process of the mechanism more troublesome. For this reason, the present invention proposes an injection molding auxiliary mechanism for the injection molding of the insulating frame of the automobile air-conditioning clutch to solve the above problems. Summary of the Invention

[0005] The object of the present invention is to provide an injection molding auxiliary mechanism for injection molding of an insulating frame of an automobile air-conditioning clutch, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an injection molding auxiliary mechanism for injection molding of an insulating frame of an automobile air-conditioning clutch, comprising:

[0007] A fixed platform, the lower surface of which is fixedly mounted with support legs, and the fixed platform is divided into six areas, which are arranged in sequence in a clockwise direction: a release agent spraying area, an injection area, a first cooling area, a second cooling area, a third cooling area, and a demolding area;

[0008] A rotating table, wherein the rotating table is rotatably mounted on the fixed table via a rotating shaft, the rotating shaft is driven by a stepping motor on the lower surface of the fixed table, a lower mold body is fixedly mounted on the upper surface of the rotating table via a connecting frame, a mold cavity is defined on the lower mold body, an upper mold body is provided above the lower mold body, and a material injection port is defined on the upper mold body;

[0009] Auxiliary mold opening and closing mechanism, which is used to automatically control the opening and closing of the upper mold body and the lower mold body;

[0010] An auxiliary demoulding mechanism is used to automatically demould the workpiece formed in the mold cavity.

[0011] Preferably, the areas of the release agent spraying zone, injection zone, first cooling zone, second cooling zone, third cooling zone, and demolding zone are the same, and the lower mold body and upper mold body are provided with six corresponding ones. The single driving angle of the stepper motor is sixty degrees. A release agent spraying device is provided in the release agent spraying zone, and the release agent spraying device is used to spray the release agent on the mold cavity in the release agent spraying zone. A material injection machine is provided in the range of the injection zone, and the material injection machine is used to inject material into the mold cavity in the injection zone.

[0012] Preferably, the auxiliary mold opening and closing mechanism includes a first-level guide rod, a first-level return spring, a first-level force ring and an upper force rod. The side wall of the lower mold body is fixedly connected to a guide rod seat, and the side wall of the upper mold body is fixedly connected to a guide seat. A guide hole is provided on the guide seat. The lower end of the first-level guide rod is fixedly connected to the guide rod seat, and the first-level guide rod is movable through the guide hole. The upper side end of the first-level guide rod is integrally formed with a first-level screw, and a limiting nut is tightened and installed on the first-level screw. The first-level return spring is sleeved and installed on the first-level guide rod, and the two ends of the first-level return spring are respectively set to resist the guide rod seat and the guide seat.

[0013] Preferably, the first-level stress ring is positioned on the fixed table through the first-level stress ring bracket, and the first-level stress ring includes a first-level arc body and a second-level arc body, the second-level arc body is higher than the first-level arc body, and the first-level arc body and the second-level arc body are smoothly connected, the upper stress rod is fixedly installed on the upper surface of the upper mold body, and the upper stress rod is arranged corresponding to the first-level stress ring, the injection area, the first cooling area, the second cooling area, and the third cooling area are all located in the area of the first-level arc body, when the upper stress rod is located in the area of the first-level arc body, the upper stress rod is under pressure, and at this time, the upper mold body and the lower mold body are in a closed mold state.

[0014] Preferably, the release agent spraying area and the demolding area are both located within the area of the secondary arc body. When the upper force-bearing rod is within the range of the release agent spraying area and the demolding area, the upper mold body and the lower mold body are in a separated state, and at this time, the primary reset spring is in a reset state.

[0015] Preferably, the auxiliary demoulding mechanism includes a demoulding ejector rod, a force plate, a lower force rod, a secondary return spring and a secondary force ring. A demoulding ejector rod hole is opened at the bottom of the mold cavity. The demoulding ejector rod is movably arranged in the demoulding ejector rod hole. A secondary screw is integrally formed at the lower side end of the demoulding ejector rod. The force plate is fixed to the secondary screw by a positioning nut. The lower force rod is fixedly connected to the lower surface of the force plate. The secondary return spring is sleeved on the demoulding ejector rod, and the two ends of the secondary return spring are respectively set to resist the lower mold body and the force plate.

[0016] Preferably, the secondary stress ring is positioned on the fixed table through the secondary stress ring bracket, and a stress table is integrally formed on the upper surface of the secondary stress ring. The stress table is located in the demolding area, and both ends of the stress table are smoothly connected to the upper surface of the secondary stress ring. When the demolding ejector rod is against the stress table, the demolding ejector rod is lifted up. When the demolding ejector rod is located within the range of the release agent spraying area, the injection area, the first cooling area, the second cooling area, and the third cooling area, the upper end surface of the demolding ejector rod is flush with the bottom surface of the mold cavity, and at this time, the secondary return spring is in a reset state.

[0017] Preferably, a primary cooling cavity and a secondary cooling cavity are provided on the lower mold body at the edge of the mold cavity, and the primary cooling cavity and the secondary cooling cavity are connected through a connecting cavity. An air inlet cavity is provided on the bottom surface of the primary cooling cavity, and an air supply pipe is fixedly connected to the port of the air inlet cavity. A primary docking seat is integrally formed at the end of the air supply pipe, and an exhaust cavity is provided on the side wall of the secondary cooling cavity, and an exhaust pipe port is provided at the port of the exhaust cavity. Self-air supply structures are provided in the first cooling zone, the second cooling zone, and the third cooling zone.

[0018] Preferably, the automatic air supply structure includes a first air supply seat, a three-stage guide rod, a second air supply seat, a steel bellows and a three-stage return spring. The first air supply seat is fixed to the fixed platform through a mounting bracket, and a first-level air hole is provided on the first air supply seat. The pipe connection port on the lower side of the first-level air hole is connected to the air outlet port of the air cooler through an air pipe. The second air supply seat is provided with a second-level air hole. The lower side end of the second-level air hole is connected to the upper side end of the first-level air hole through a steel bellows. The first air supply seat is provided with a guide rod hole. An air avoidance groove is provided at the lower side port, and the end of the three-stage guide rod is threadedly connected to a limiting bolt, and the nut of the limiting bolt is movably arranged in the air avoidance groove. The three-stage guide rod is fixedly connected to the lower side end of the second air supply seat, and the three-stage guide rod is movably arranged in the guide rod hole. The three-stage return spring is sleeved on the steel bellows, and the two ends of the three-stage return spring are respectively set to resist the first air supply seat and the second air supply seat. The temperature of the cooling air delivered by the pipeline connection ports in the first cooling zone, the second cooling zone and the third cooling zone is set to decrease in sequence.

[0019] Preferably, the first-level docking seat, the first air supply seat, and the second air supply seat are inclined at the same angle, and a three-level air hole is provided on the first-level docking seat. When the three-level reset spring is in the reset state, the lowest point of the upper surface of the second air supply seat is lower than the highest point of the lower surface of the first-level docking seat, and when the stepper motor stops, the three-level air hole and the two-level air hole are aligned with each other, and at this time, the air cooler is pneumatically supplying air, and at this time, the three-level reset spring is in a compressed state, and a sealing groove is provided at the port of the three-level air hole, and a flexible rubber sealing ring is embedded in the sealing groove.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By setting up an injection molding auxiliary mechanism for the injection molding of the insulation frame of the automobile air-conditioning clutch, which is composed of a fixed table, a rotating table, an auxiliary mold opening and closing mechanism, and an auxiliary mold demolding mechanism, and by dividing the fixed table into six parts: a release agent spraying area, an injection area, a first cooling area, a second cooling area, a third cooling area, and a demolding area, and by setting the auxiliary mold opening and closing mechanism to be composed of a first-level guide rod, a first-level return spring, a first-level force ring, and an upper force rod, so that when the rotating table rotates, its upper force rod will generate a force with the first-level force ring, thereby realizing automatic opening and closing of the upper and lower mold bodies, thereby simplifying the drive structure of the equipment and facilitating the staff to perform daily circuit maintenance on the equipment;

[0022] 2. By configuring the auxiliary demoulding mechanism to consist of a demoulding ejector rod, a force plate, a lower force rod, a secondary return spring and a secondary force ring, and providing a force table on the secondary force ring, the lower force rod and the force table generate a force in the demoulding area, so that the demoulding ejector rod is automatically lifted, thereby automatically pushing out the formed workpiece in the mold cavity, thereby further simplifying the driving structure of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 A half-section view of the present invention;

[0025] Figure 3 for Figure 2 A schematic diagram of the structure at center A;

[0026] Figure 4 for Figure 3 A magnified schematic diagram of the structure at point B in the middle;

[0027] Figure 5 for Figure 3 A magnified schematic diagram of the structure at point C in the middle;

[0028] Figure 6 for Figure 2 A magnified schematic diagram of the structure at D in the middle;

[0029] Figure 7 Schematic diagram of the lower mold structure of the present invention;

[0030] Figure 8 A half-sectional view of the lower mold body of the present invention;

[0031] Figure 9 for Figure 8 A magnified schematic diagram of the structure at E in the middle;

[0032] Figure 10 This is a schematic structural diagram of the primary force ring of the present invention;

[0033] Figure 11 This is a schematic diagram of the secondary stress ring structure of the present invention;

[0034] Figure 12 A half-section view of the first air supply seat of the present invention;

[0035] Figure 13 for Figure 12 A magnified schematic diagram of the structure at F in the middle;

[0036] Figure 14 A half-sectional view of the second air supply seat of the present invention;

[0037] Figure 15 This is a half-section view of the first-level docking seat of the present invention;

[0038] Figure 16 A top view of the fixing platform of the present invention;

[0039] Figure 17 This is a diagram showing the positions of the first-level docking seat, the second air supply seat, and the first air supply seat of the present invention.

[0040] In the figure: fixed table 1, rotating table 2, rotating shaft 3, connecting frame 4, lower mold body 5, lower mold body 5, upper mold body 6, first-level guide rod 7, first-level return spring 8, first-level force ring 9, guide rod seat 10, guide seat 11, first-level screw 12, limit nut 13, mold cavity 14, injection port 15, upper force rod 16, first-level force ring bracket 17, first-level arc body 18, second-level arc body 19, demoulding ejector 20, force plate 21, lower force rod 22, second-level return spring 23, second-level force ring 24, second-level screw 25, positioning nut 26, second-level force ring bracket 27, force table 28, Demolding ejector pin hole 29, primary cooling chamber 30, secondary cooling chamber 31, connecting chamber 32, air inlet chamber 33, exhaust chamber 34, exhaust pipe port 35, air supply pipe 36, primary docking seat 37, first air supply seat 38, tertiary guide rod 39, second air supply seat 40, steel bellows 41, tertiary return spring 42, air avoidance groove 43, limit bolt 44, pipe connecting port 45, secondary air hole 46, mounting bracket 47, tertiary air hole 48, flexible rubber sealing ring 49, release agent spraying area 50, injection area 51, first cooling zone 52, second cooling zone 53, third cooling zone 54, demolding area 55. DETAILED DESCRIPTION

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0042] See also Figures 1-17 , the present invention provides the following three preferred embodiments:

[0043] Embodiment 1: An injection molding auxiliary mechanism for the injection molding of an insulating skeleton of an automobile air-conditioning clutch, comprising a fixed platform 1, a rotating platform 2, an auxiliary mold opening and closing mechanism, and an auxiliary demolding mechanism. A support leg is fixedly installed on the lower surface of the fixed platform 1. The fixed platform 1 is divided into six areas, and a release agent spraying area 50, an injection area 51, a first cooling area 52, a second cooling area 53, a third cooling area 54, and a demolding area 55 are arranged in sequence in a clockwise direction. The rotating platform 2 is rotatably mounted on the fixed platform 1 through a rotating shaft 3, and the rotating shaft 3 is driven by a stepping motor on the lower surface of the fixed platform 1. A lower mold body 5 is fixedly mounted on the upper surface of the rotating platform 2 through a connecting frame 4. A mold cavity 14 is provided on the lower mold body 5. An upper mold body 6 is provided above the lower mold body 5. An injection molding machine is provided on the upper mold body 6. Mouth 15, the auxiliary mold opening and closing mechanism is used to automatically control the automatic opening and closing between the upper mold body 6 and the lower mold body 5, and the auxiliary demoulding mechanism is used to automatically demould the workpiece formed in the mold cavity 14. The areas of the release agent spraying area 50, the injection area 51, the first cooling area 52, the second cooling area 53, the third cooling area 54, and the demoulding area 55 are the same. There are six corresponding lower mold bodies 5 and upper mold bodies 6. The single driving angle of the stepper motor is sixty degrees. A release agent spraying device is provided in the release agent spraying area 50. The release agent spraying device is used to spray the release agent on the mold cavity 14 in the release agent spraying area 50. A material injection machine is provided in the injection area 51. The material injection machine is used to inject material into the mold cavity 14 in the injection area 51.

[0044] The auxiliary mold opening and closing mechanism includes a primary guide rod 7, a primary return spring 8, a primary force ring 9 and an upper force rod 16. The side wall of the lower mold body 5 is fixedly connected to a guide rod seat 10, and the side wall of the upper mold body 6 is fixedly connected to a guide seat 11. A guide hole is provided on the guide seat 11. The lower end of the primary guide rod 7 is fixedly connected to the guide rod seat 10, and the primary guide rod 7 is movable through the guide hole. The upper side end of the primary guide rod 7 is integrally formed with a primary screw 12. A limiting nut 13 is tightened and installed on the primary screw 12. The primary return spring 8 is sleeved and installed on the primary guide rod 7, and the two ends of the primary return spring 8 are respectively set against the guide rod seat 10 and the guide seat 11. The primary force ring 9 is provided with a The primary force ring bracket 17 is positioned on the fixed platform 1, and the primary force ring 9 includes a primary arc body 18 and a secondary arc body 19. The secondary arc body 19 is higher than the primary arc body 18, and the primary arc body 18 and the secondary arc body 19 are smoothly connected. The upper force rod 16 is fixedly installed on the upper surface of the upper mold body 6, and the upper force rod 16 is arranged corresponding to the primary force ring 9. The injection area 51, the first cooling area 52, the second cooling area 53, and the third cooling area 54 are all located in the area of the primary arc body 18. When the upper force rod 16 is located in the area of the primary arc body 18, the upper force rod 16 is compressed, and at this time, the upper mold body 6 and the lower mold body 5 are in a closed mold state.

[0045] The release agent spraying area 50 and the demoulding area 55 are both located in the area of the secondary arc body 19. When the upper force-bearing rod 16 is within the range of the release agent spraying area 50 and the demoulding area 55, the upper mold body 6 and the lower mold body 5 are in a separated state, and at this time, the primary reset spring 8 is in a reset state. By setting an injection molding auxiliary mechanism for automobile air-conditioning clutch insulation frame injection molding composed of a fixed platform 1, a rotating platform 2, an auxiliary mold opening and closing mechanism and an auxiliary demoulding mechanism, and by dividing the fixed platform 1 into the release agent spraying area 50, the injection molding auxiliary mechanism and the auxiliary mold opening and closing mechanism, the upper mold body 6 and the lower mold body 5 are separated. The injection molding machine comprises six parts: the shooting zone 51, the first cooling zone 52, the second cooling zone 53, the third cooling zone 54 and the demolding zone 55. The auxiliary mold opening and closing mechanism is configured to be composed of a first-level guide rod 7, a first-level return spring 8, a first-level force ring 9 and an upper force rod 16. When the turntable 2 rotates, its upper force rod 16 will generate a force with the first-level force ring 9, thereby realizing the automatic opening and closing of the upper mold body 6 and the lower mold body 5, thereby simplifying the driving structure of the equipment and facilitating the staff to perform daily circuit maintenance on the equipment.

[0046] Example 2: On the basis of Example 1, the auxiliary demoulding mechanism includes a demoulding ejector pin 20, a force plate 21, a lower force rod 22, a secondary return spring 23 and a secondary force ring 24. A demoulding ejector pin hole 29 is provided at the bottom of the mold cavity 14. The demoulding ejector pin 20 is movably arranged in the demoulding ejector pin hole 29. A secondary screw 25 is integrally formed at the lower side end of the demoulding ejector pin 20. The force plate 21 is fixed to the secondary screw 25 by a positioning nut 26. The lower force rod 22 is fixedly connected to the lower surface of the force plate 21. The secondary return spring 23 is sleeved on the demoulding ejector pin 20, and the two ends of the secondary return spring 23 are respectively set to resist the lower mold body 5 and the force plate 21.

[0047] The secondary stress ring 24 is positioned on the fixed platform 1 through the secondary stress ring bracket 27, and the upper surface of the secondary stress ring 24 is integrally formed with a stress table 28, which is located in the area of the demoulding area 55, and the two ends of the stress table 28 are smoothly connected to the upper surface of the secondary stress ring 24. When the demoulding ejector 20 is against the stress table 28, the demoulding ejector 20 is lifted up. When the demoulding ejector 20 is located within the range of the release agent spraying area 50, the injection area 51, the first cooling area 52, the second cooling area 53, and the third cooling area 54, the upper end surface of the demoulding ejector 20 is in contact with the demoulding ejector 20. The bottom surface of the mold cavity 14 is flush, and at this time, the secondary return spring 23 is in a reset state. By setting the auxiliary demoulding mechanism to be composed of a demoulding ejector rod 20, a force plate 21, a lower force rod 22, a secondary return spring 23 and a secondary force ring 24, and setting a force table 28 on the secondary force ring 24, the lower force rod 22 and the force table 28 generate a force in the demoulding area 55, so that the demoulding ejector rod 20 is automatically lifted, thereby automatically pushing out the workpiece formed in the mold cavity 14, thereby further simplifying the driving structure of the equipment.

[0048] Example 3: On the basis of Example 2, a primary cooling cavity 30 and a secondary cooling cavity 31 are provided on the lower mold body 5 at the edge of the mold cavity 14. The primary cooling cavity 30 and the secondary cooling cavity 31 are connected through a connecting cavity 32. An air inlet cavity 33 is provided on the bottom surface of the primary cooling cavity 30. An air supply pipe 36 is fixedly connected to the port of the air inlet cavity 33. A primary docking seat 37 is integrally formed at the end of the air supply pipe 36. An exhaust cavity 34 is provided on the side wall of the secondary cooling cavity 31. An exhaust pipe port 35 is provided at the port of the exhaust cavity 34. Self-air supply structures are provided in the first cooling zone 52, the second cooling zone 53 and the third cooling zone 54.

[0049] The automatic air supply structure includes a first air supply seat 38, a three-stage guide rod 39, a second air supply seat 40, a steel bellows 41 and a three-stage return spring 42. The first air supply seat 38 is fixed to the fixed platform 1 through a mounting bracket 47, and a first-level air hole is opened on the first air supply seat 38. The pipe connection port 45 on the lower side of the first-level air hole is connected to the air outlet port of the air cooler through an air pipe. The second air supply seat 40 is provided with a second-level air hole 46. The lower side end of the second-level air hole 46 is connected to the air outlet port of the air cooler through the steel bellows 41. The first air supply seat 38 is connected to the upper side end of the first air hole, and a guide rod hole is provided on the lower side end of the guide rod hole. An air avoidance groove 43 is provided. The end of the third guide rod 39 is threadedly connected to a limit bolt 44. The nut of the limit bolt 44 is movably set in the air avoidance groove 43. The third guide rod 39 is fixedly connected to the lower side end of the second air supply seat 40, and the third guide rod 39 is movably set in the guide rod hole. The third return spring 42 is sleeved on the steel bellows 41, and the third return spring 42 The two ends are respectively set to counteract the first air supply seat 38 and the second air supply seat 40, and an automatic air supply structure composed of the first air supply seat 38, the three-stage guide rod 39, the second air supply seat 40, the steel bellows 41 and the three-stage return spring 42 is set, so that the first air supply seat 38 and the second air supply seat 40 can be automatically docked by the rotation of the turntable 2, so as to facilitate automatic cooling and heat dissipation of the lower mold body 5, thereby effectively improving the forming efficiency of the workpiece, and the docking and separation of the first air supply seat 38 and the second air supply seat 40 are based on the rotational force of the turntable 2, which does not require other power sources. Therefore, the power source of the equipment can be further simplified, and the cooling air temperature delivered by the pipe connection port 45 in the first cooling zone 52, the second cooling zone 53 and the third cooling zone 54 is set to have a decreasing trend in sequence. The setting method of decreasing the cooling air temperature in sequence can make the cooling process of the workpiece more uniform, thereby effectively improving the forming effect of the workpiece, thereby improving product quality.

[0050] The first-level docking seat 37, the first air supply seat 38, and the second air supply seat 40 are tilted at the same angle. A three-level air hole 48 is provided on the first-level docking seat 37. When the three-level return spring 42 is in the reset state, the lowest point of the upper surface of the second air supply seat 40 is lower than the highest point of the lower surface of the first-level docking seat 37, and when the stepper motor stops, the three-level air hole 48 and the two-level air hole 46 are aligned. At this time, the air cooler is pneumatically supplying air, and at this time, the three-level return spring 42 is in a pressurized state. A sealing groove is provided at the port of the three-level air hole 48, and a flexible rubber sealing ring 49 is embedded in the sealing groove to improve the sealing performance at the docking position.

[0051] Although the above describes the illustrative specific embodiments of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. An injection molding auxiliary mechanism for the injection molding of an insulation frame of an automobile air-conditioning clutch, characterized by: include: A fixed platform (1), wherein a support leg is fixedly mounted on the lower surface of the fixed platform (1), and the fixed platform (1) is divided into six areas, and a release agent spraying area (50), an injection area (51), a first cooling area (52), a second cooling area (53), a third cooling area (54) and a demoulding area (55) are sequentially arranged in a clockwise direction; A rotating table (2), wherein the rotating table (2) is rotatably mounted on the fixed table (1) via a rotating shaft (3), wherein the rotating shaft (3) is driven by a stepping motor on the lower surface of the fixed table (1), and a lower mold body (5) is fixedly mounted on the upper surface of the rotating table (2) via a connecting frame (4), wherein a mold cavity (14) is provided on the lower mold body (5), and an upper mold body (6) is provided above the lower mold body (5), wherein an injection port (15) is provided on the upper mold body (6); An auxiliary mold opening and closing mechanism, the auxiliary mold opening and closing mechanism is used to automatically control the upper mold body (6) and the lower mold body (5) to achieve automatic opening and closing; An auxiliary demoulding mechanism is provided, wherein the auxiliary demoulding mechanism is used for automatically demoulding a workpiece formed in a mold cavity (14).

2. The injection molding auxiliary mechanism for injection molding of an automobile air-conditioning clutch insulation frame according to claim 1, characterized in that: The areas of the release agent spraying zone (50), the injection zone (51), the first cooling zone (52), the second cooling zone (53), the third cooling zone (54), and the release zone (55) are the same. The lower mold body (5) and the upper mold body (6) are respectively provided with six of them. The single driving angle of the stepper motor is sixty degrees. A release agent spraying device is provided at the release agent spraying zone (50). The release agent spraying device is used to spray the release agent on the mold cavity (14) in the release agent spraying zone (50). A material injection machine is provided at the range of the injection zone (51). The material injection machine is used to inject material into the mold cavity (14) in the injection zone (51).

3. The injection molding auxiliary mechanism for injection molding of an automobile air-conditioning clutch insulation frame according to claim 2, characterized in that: The auxiliary mold opening and closing mechanism includes a first-level guide rod (7), a first-level return spring (8), a first-level force ring (9) and an upper force rod (16); a guide rod seat (10) is fixedly connected to the side wall of the lower mold body (5); a guide seat (11) is fixedly connected to the side wall of the upper mold body (6); a guide hole is provided on the guide seat (11); the lower end of the first-level guide rod (7) is fixedly connected to the guide rod seat (10), and the first-level guide rod (7) is movable through the guide hole; a first-level screw rod (12) is integrally formed on the upper side end of the first-level guide rod (7); a limiting nut (13) is tightened and installed on the first-level screw rod (12); the first-level return spring (8) is sleeved and installed on the first-level guide rod (7), and the two ends of the first-level return spring (8) are respectively set against the guide rod seat (10) and the guide seat (11).

4. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 3, characterized in that: The primary stress ring (9) is positioned on the fixed platform (1) through the primary stress ring bracket (17), and the primary stress ring (9) includes a primary arc body (18) and a secondary arc body (19), the secondary arc body (19) is higher than the primary arc body (18), and the primary arc body (18) and the secondary arc body (19) are smoothly connected, the upper stress rod (16) is fixedly installed on the upper surface of the upper mold body (6), and the upper stress rod (16) is arranged corresponding to the primary stress ring (9), the injection area (51), the first cooling area (52), the second cooling area (53), and the third cooling area (54) are all located in the area of the primary arc body (18), when the upper stress rod (16) is located in the area of the primary arc body (18), the upper stress rod (16) is compressed, and at this time, the upper mold body (6) and the lower mold body (5) are in a mold closing state.

5. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 4, characterized in that: The release agent spraying area (50) and the demoulding area (55) are both located within the area of the secondary arc body (19). When the upper force-bearing rod (16) is within the range of the release agent spraying area (50) and the demoulding area (55), the upper mold body (6) and the lower mold body (5) are in a separated state, and at this time, the primary reset spring (8) is in a reset state.

6. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 5, characterized in that: The auxiliary demoulding mechanism includes a demoulding ejector rod (20), a force-bearing plate (21), a lower force-bearing rod (22), a secondary return spring (23) and a secondary force-bearing ring (24); a demoulding ejector rod hole (29) is provided at the bottom of the mold cavity (14); the demoulding ejector rod (20) is movably arranged in the demoulding ejector rod hole (29); a secondary screw rod (25) is integrally formed at the lower side end of the demoulding ejector rod (20); the force-bearing plate (21) is fixed to the secondary screw rod (25) by a positioning nut (26); the lower force-bearing rod (22) is fixedly connected to the lower surface of the force-bearing plate (21); the secondary return spring (23) is sleeved on the demoulding ejector rod (20), and the two ends of the secondary return spring (23) are respectively set against the lower mold body (5) and the force-bearing plate (21).

7. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 6, characterized in that: The secondary stress ring (24) is positioned on the fixed platform (1) through the secondary stress ring bracket (27), and the upper surface of the secondary stress ring (24) is integrally formed with a stress table (28), the stress table (28) is located in the area of the demoulding area (55), and the two ends of the stress table (28) are smoothly connected to the upper surface of the secondary stress ring (24), when the demoulding ejector (20) is against the stress table (28), the demoulding ejector (20) is lifted up, when the demoulding ejector (20) is located in the range of the demoulding agent spraying area (50), the injection area (51), the first cooling area (52), the second cooling area (53), and the third cooling area (54), the upper end surface of the demoulding ejector (20) is flush with the bottom surface of the mold cavity (14), and at this time, the secondary reset spring (23) is in a reset state.

8. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 7, characterized in that: A primary cooling cavity (30) and a secondary cooling cavity (31) are provided on the lower mold body (5) at the edge of the mold cavity (14); the primary cooling cavity (30) and the secondary cooling cavity (31) are connected via a connecting cavity (32); an air inlet cavity (33) is provided on the bottom surface of the primary cooling cavity (30); an air supply pipe (36) is fixedly connected to the port of the air inlet cavity (33); a primary docking seat (37) is integrally formed at the end of the air supply pipe (36); an exhaust cavity (34) is provided on the side wall of the secondary cooling cavity (31); an exhaust pipe port (35) is provided at the port of the exhaust cavity (34); and self-supply air supply structures are provided in the first cooling zone (52), the second cooling zone (53), and the third cooling zone (54).

9. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 8, characterized in that: The automatic air supply structure includes a first air supply seat (38), a three-stage guide rod (39), a second air supply seat (40), a steel bellows (41) and a three-stage return spring (42). The first air supply seat (38) is fixed on the fixed platform (1) through a mounting frame (47), and the first air supply seat (38) is provided with a first-level air hole, and the pipe connection port (45) on the lower side of the first-level air hole is connected to the air outlet port of the air cooler through an air pipe. The second air supply seat (40) is provided with a second-level air hole (46), and the lower side end of the second-level air hole (46) is connected to the upper side end of the first-level air hole through a steel bellows (41). The first air supply seat (38) is provided with a guide rod hole, and the lower side port of the guide rod hole is provided with a The air avoidance groove (43), the end of the three-stage guide rod (39) is threadedly connected to the limiting bolt (44), the nut of the limiting bolt (44) is movably set in the air avoidance groove (43), the three-stage guide rod (39) is fixedly connected to the lower side end of the second air supply seat (40), and the three-stage guide rod (39) is movably set in the guide rod hole, the three-stage return spring (42) is sleeved on the steel bellows (41), and the two ends of the three-stage return spring (42) are respectively set to resist the first air supply seat (38) and the second air supply seat (40), and the temperature of the cooling air sent in by the pipe connection port (45) in the first cooling zone (52), the second cooling zone (53) and the third cooling zone (54) is set to decrease in sequence.

10. The injection molding auxiliary mechanism for injection molding of an insulation frame of an automobile air-conditioning clutch according to claim 9, characterized in that: The first-stage docking seat (37), the first air supply seat (38), and the second air supply seat (40) are tilted at the same angle, and a third-stage air hole (48) is provided on the first-stage docking seat (37). When the third-stage reset spring (42) is in the reset state, the lowest point of the upper surface of the second air supply seat (40) is lower than the highest point of the lower surface of the first-stage docking seat (37), and when the stepper motor stops, the third-stage air hole (48) and the second-stage air hole (46) are aligned with each other, and at this time, the air cooler is pneumatically supplying air, and at this time, the third-stage reset spring (42) is in a compressed state, and a sealing groove is provided at the port of the third-stage air hole (48), and a flexible rubber sealing ring (49) is embedded and installed in the sealing groove.

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