Mold adjusting device for injection molding of central air conditioner controller shell
By introducing a structure of fixed base, movable top, drive cylinder, drive arm and punching knife into the injection mold of the central air-conditioning controller housing, the problem of manual gate cutting of existing molds is solved, and self-cleaning of gates is realized and automatic material removal improve production efficiency.
Patent Information
- Application Number
- CN202420752922.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing central air-conditioning controller shell injection mold needs to be manually cut off the gate after forming, which is cumbersome and increases the workload.
A mold adjustment device including a fixed base, a movable top, a driving cylinder, a drive arm, a central tube and a punching knife is designed. The drive arm and a central tube are driven by a cylinder to move to the gate above the gate, and the gate is cut by a punching knife. , and clean the gate through the airflow to achieve automatic material removal.
It reduces subsequent workload, improves work efficiency, realizes self-cleaning and automatic material removal of gates, and simplifies the production process.
Smart Images
Figure CN222245932U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to a mold adjusting device for injection molding of a central air-conditioning controller shell. Background Art
[0002] Central air conditioning refers to a large air conditioning system, which consists of a main unit and a terminal. The main unit is divided into a water-cooled unit and an air-cooled unit, and the terminal equipment mainly consists of an air conditioning unit and a fan coil. When the central air conditioner is built, a central air conditioning controller is installed to control the heating, cooling, ventilation and other functions of the central air conditioner. The shell of the central air conditioner controller is usually made of plastic and is produced by injection molding.
[0003] For the injection molding of the controller housing, Patent No. CN202222082710.6 discloses an industrial controller housing injection mold, which is provided with a mold body, a mold groove, a sliding rod, a top plate, a lower mold, an upper mold and other structures. The lower mold, the upper mold and other related structures cooperate with each other to realize the injection molding of the controller housing. However, since a gate is provided on the mold (the gate is the feed port of the injection mold when in use. It is a section of the channel from the molten plastic from the branch channel to the mold cavity. The gate can prevent the feed from flowing back. The gate needs to be cut off after the plastic mold is formed). Since the gate needs to be cut off after the product is formed, the mold structure in the application is used for injection molding, in which the gate cutting structure is not provided. After the product is formed, the product needs to be placed on the cutting equipment again for processing, which is cumbersome to operate and increases the workload. For this reason, we propose a mold adjustment device for injection molding of the central air-conditioning controller housing to solve the above problems. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a mold adjustment device for injection molding of a central air-conditioning controller housing, which solves the problems raised in the above-mentioned background technology.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mold adjustment device for injection molding of a central air-conditioning controller shell, comprising a fixed base and a movable top seat, a lower molding mold is fixedly installed on the top of the fixed base, an upper molding mold is fixedly installed on the bottom of the movable top seat, a main molding cavity is opened on the top of the lower molding mold, an auxiliary molding cavity cooperating with the main molding cavity is opened on the bottom of the upper molding mold, two groups of supporting legs are fixedly installed on the top of the fixed base, two groups of first driving cylinders are fixedly installed on the top of the fixed base, and a main transmission arm is fixedly connected to the output shaft of the first driving cylinder, a third driving cylinder is fixedly connected to the end of the main transmission arm, and a secondary transmission arm is fixedly connected to the output shaft of the third driving cylinder, a center tube is fixedly sleeved on the end of the secondary transmission arm, and a punching knife is fixedly connected to the outside of the center tube.
[0006] Preferably, the lower molding die is fixedly mounted on the top of the fixed base via supporting legs, and the distance between the bottom of the lower molding die and the top of the first driving cylinder is 1-2 cm.
[0007] Preferably, a second driving cylinder is fixedly installed on the top of the fixed base, and a transmission frame is fixedly connected to the output shaft of the second driving cylinder. A plurality of stripping ejector rods are fixedly installed on the top of the transmission frame, and the stripping ejector rods are movably connected to the lower molding mold.
[0008] Preferably, a slide groove cooperating with a transmission frame is provided at the bottom of the lower molding die, and the top end of the stripping ejector rod is in the same plane as the bottom of the inner side of the main molding cavity in the initial stage.
[0009] Preferably, the number and cross-sectional shape of the punching knives are adapted to the main forming cavity, and the punching knives are welded to the peripheral side of the central tube.
[0010] Preferably, the top end of the central tube is threadedly connected with an air outlet nozzle, and the top end of the air outlet nozzle is fixedly mounted with an air pipe solenoid valve.
[0011] Preferably, the central tube and the punching knife are vertically mounted on the end of the secondary transmission arm, the secondary transmission arm is horizontally mounted on the output shaft of the third driving cylinder, and the third driving cylinder is vertically mounted on the end of the main transmission arm.
[0012] The utility model provides a mold adjustment device for injection molding of a central air-conditioning controller housing, which has the following beneficial effects:
[0013] 1. The mold adjustment device for injection molding of the central air-conditioning controller shell is provided with a first driving cylinder, a main transmission arm, a center tube, a punching knife and other structures on a fixed base. After the shell is formed, the main transmission arm, the center tube and the punching knife are driven by the center tube to move downward to the top of the molding mold, and the center tube is moved above the gate. The secondary transmission arm is driven downward by the third driving cylinder to clamp the center tube to the outside of the gate, and the connection between the gate and the shell is cut off by the punching knife, so as to realize self-cleaning of the gate on the shell, reduce the subsequent workload and improve work efficiency.
[0014] 2. The mold adjustment device for injection molding of the central air-conditioning controller shell is provided with an air outlet nozzle at the top of the center tube. After the main transmission arm moves the center tube with the gate clamped out of the mold, the pipeline of the air outlet nozzle can be opened by the air pipe solenoid valve, and the gate clamped in the center tube can be blown out by the air flow, so as to facilitate continuous work. In addition, after the shell is formed, the transmission frame and the ejector rod are driven upward by the second driving cylinder, so that the formed shell can be ejected, and the automatic ejection of the product can be realized. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model after overall assembly;
[0016] Figure 2 It is a schematic diagram of the structure of the lower molding die and the upper molding die after the molds are opened;
[0017] Figure 3 It is a structural schematic diagram of the upper forming mold of the utility model;
[0018] Figure 4 This is a structural schematic diagram of the top of the fixed base of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the transmission frame of the utility model;
[0020] Figure 6 It is a structural schematic diagram of the main transmission arm connecting component of the utility model.
[0021] In the figure: 1. fixed base; 2. movable top seat; 3. supporting legs; 4. lower molding die; 5. upper molding die; 6. auxiliary molding cavity; 7. first driving cylinder; 8. main transmission arm; 9. third driving cylinder; 10. secondary transmission arm; 11. center tube; 12. punching knife; 13. air outlet nozzle; 14. air pipe solenoid valve; 15. second driving cylinder; 16. transmission frame; 17. stripping ejector. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] See also Figure 1 , 2 The utility model provides a technical solution: a mold adjustment device for injection molding of a central air-conditioning controller shell, comprising a fixed base 1 and a movable top base 2. A lower molding mold 4 is fixedly installed on the top of the fixed base 1, an upper molding mold 5 is fixedly installed on the bottom of the movable top base 2, a main molding cavity is opened on the top of the lower molding mold 4, and an auxiliary molding cavity 6 cooperating with the main molding cavity is opened on the bottom of the upper molding mold 5. Two groups of supporting legs 3 are fixedly installed on the top of the fixed base 1, and the lower molding mold 4 can be set up by the two groups of supporting legs 3, and the installation space of the first driving cylinder 7 and the second driving cylinder 15 is reserved. The top of the fixed base 1 is fixedly installed with two groups of second driving cylinders 15. A driving cylinder 7 is provided, and a main transmission arm 8 is fixedly connected to the output shaft of the first driving cylinder 7, a third driving cylinder 9 is fixedly connected to the end of the main transmission arm 8, and a secondary transmission arm 10 is fixedly connected to the output shaft of the third driving cylinder 9, a center tube 11 is fixedly sleeved on the end of the secondary transmission arm 10, and a punching knife 12 is fixedly connected to the outside of the center tube 11. The main transmission arm 8, the center tube 11, and the punching knife 12 are driven by the first driving cylinder 7 to move toward the top of the downward molding mold 4, and the secondary transmission arm 10 is driven downward by the third driving cylinder 9 to clamp the center tube 11 on the outside of the gate, and the connection between the gate and the shell is cut off by the punching knife 12.
[0024] See also Figure 3 , 45. The lower molding die 4 is fixedly mounted on the top of the fixed base 1 through the supporting legs 3. The distance between the bottom of the lower molding die 4 and the top of the first driving cylinder 7 is 1-2 cm. The fixed base 1, the movable top seat 2, and the supporting legs 3 are connected by bolts. The lower molding die 4 is suspended by the supporting legs 3, and the installation space of the first driving cylinder 7 and the second driving cylinder 15 is reserved. The first driving cylinder 7 is the current existing technical model SANWO. The second driving cylinder 15 is fixedly mounted on the top of the fixed base 1, and the output shaft of the second driving cylinder 15 is fixedly connected to the transmission frame 16. The transmission frame 16 A plurality of ejector rods 17 are fixedly installed on the top, and the ejector rods 17 are movably connected to the lower molding die 4. After the outer shell is molded, the transmission frame 16 and the ejector rods 17 are driven upward by the second driving cylinder 15 to push out the molded outer shell, thereby realizing automatic ejection of the product. A sliding groove cooperating with the transmission frame 16 is provided at the bottom of the lower molding die 4. Moving space for the transmission frame 16 is reserved at the bottom of the lower molding die 4. In the initial stage, the top of the ejector rod 17 is in the same plane with the bottom of the inner side of the main molding cavity, thereby limiting the initial position of the ejector rod 17 to prevent the ejector rod 17 from affecting the injection molding of the outer shell.
[0025] See also Figure 4 , 6 The number and cross-sectional shape of the punching knives 12 are adapted to the main molding cavity. When the punching knife 12 moves downward, the connection between the gate and the shell can be cut off by the punching knife 12 to complete the cleaning of the gate. The punching knife 12 is welded to the peripheral side of the center tube 11. When the center tube 11 and the punching knife 12 move downward, the gate can be clamped at the bottom end of the center tube 11. After the gate is cut off, the gate can be moved out through the center tube 11. The top end of the center tube 11 is threadedly connected with an air outlet nozzle 13, and the top end of the air outlet nozzle 13 is fixedly installed with an air pipe solenoid valve 14. By setting the air pipe solenoid valve 14, the air path of the air outlet nozzle 13 can be controlled by the air pipe solenoid valve 14, and the air flow can be introduced into the center tube 11 along the air outlet nozzle 13. The gate clamped at the bottom of the core tube 11 is blown down to complete the cleaning of the gate. The air pipe solenoid valve 14 is the current existing technology model 4A230C. The center tube 11 and the punching knife 12 are vertically installed at the end of the secondary transmission arm 10. The secondary transmission arm 10 is horizontally installed on the output shaft of the third driving cylinder 9. The third driving cylinder 9 is vertically installed at the end of the main transmission arm 8. The secondary transmission arm 10, the center tube 11, and the punching knife 12 are driven downward by the third driving cylinder 9. The gate can be clamped in the middle of the center tube 11, and the connection between the gate and the shell is cut off by the punching knife 12 to achieve the cleaning of the gate. The second driving cylinder 15 and the third driving cylinder 9 are both current existing technologies, and the model is MAL micro cylinder.
[0026] In summary, the mold adjustment device for injection molding of the central air-conditioning controller shell, when in use, the mold is installed on the injection molding equipment, and the first driving cylinder 7, the second driving cylinder 15, the third driving cylinder 9, and the air outlet nozzle 13 in the device are connected to the air path, and the first driving cylinder 7, the third driving cylinder 9, the air pipe solenoid valve 14, and the second driving cylinder 15 are controlled by the control system of the injection molding equipment. This is a common prior art. The mold is driven by the injection molding equipment to perform injection molding on the central air-conditioning controller shell. After the shell is molded, the main transmission arm 8, the third driving cylinder 9 and the secondary transmission arm 10 are driven by the first driving cylinder 7 to move, and the positions of the center tube 11 and the punching knife 12 are adjusted, and the center tube 11 and the punching knife 12 are moved to the top of the lower molding mold 4, and the center tube 11 and the punching knife 12 are moved to the top of the lower molding mold 4. 11 moves to the top of the gate, and the third driving cylinder 9 drives the secondary transmission arm 10, the center tube 11 and the punching knife 12 to move downward, and the center tube 11 is clamped on the outside of the gate. At the same time, the punching knife 12 is used to cut off the connection between the gate and the shell. At this time, the gate is clamped in the center tube 11, and the third driving cylinder 9 drives the center tube 11 and the punching knife 12 to reset, and drives the main transmission arm 8 to reset through the first driving cylinder 7. When the center tube 11 moves out of the mold, the air pipe solenoid valve 14 is opened, and the air flow enters the center tube 11 along the air outlet nozzle 13, and the gate clamped in the center tube 11 is blown out by the air flow, which is convenient for subsequent work. After the gate is processed, the transmission frame 16 and the stripping ejector 17 are driven upward by the second driving cylinder 15 to eject the formed shell, and the shell stripping is completed.
[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mold adjustment device for injection molding of a central air-conditioning controller housing, comprising a fixed base (1) and a movable top base (2), wherein a lower molding mold (4) is fixedly mounted on the top of the fixed base (1), and an upper molding mold (5) is fixedly mounted on the bottom of the movable top base (2), characterized in that: The top of the lower molding die (4) is provided with a main molding cavity, the bottom of the upper molding die (5) is provided with an auxiliary molding cavity (6) cooperating with the main molding cavity, two groups of supporting legs (3) are fixedly installed on the top of the fixed base (1), two groups of first driving cylinders (7) are fixedly installed on the top of the fixed base (1), and a main transmission arm (8) is fixedly connected to the output shaft of the first driving cylinder (7), the end of the main transmission arm (8) is fixedly connected to the third driving cylinder (9), and the output shaft of the third driving cylinder (9) is fixedly connected to the secondary transmission arm (10), the end of the secondary transmission arm (10) is fixedly sleeved with a center tube (11), and the outside of the center tube (11) is fixedly connected to a punching knife (12).
2. A mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 1, characterized in that: The lower molding die (4) is fixedly mounted on the top of the fixed base (1) via supporting legs (3), and the distance between the bottom of the lower molding die (4) and the top of the first driving cylinder (7) is 1-2 cm.
3. A mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 1, characterized in that: A second driving cylinder (15) is fixedly mounted on the top of the fixed base (1), and a transmission frame (16) is fixedly connected to the output shaft of the second driving cylinder (15). A plurality of stripping ejector rods (17) are fixedly mounted on the top of the transmission frame (16), and the stripping ejector rods (17) are movably connected to the lower molding die (4).
4. A mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 3, characterized in that: The bottom of the lower molding die (4) is provided with a slide groove cooperating with the transmission frame (16), and the top end of the stripping ejector rod (17) is in the same plane as the bottom of the inner side of the main molding cavity in the initial stage.
5. The mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 1, characterized in that: The number and cross-sectional shape of the punching knives (12) are adapted to the main forming cavity, and the punching knives (12) are welded to the circumference of the central tube (11).
6. A mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 5, characterized in that: The top end of the central tube (11) is threadedly connected with an air outlet nozzle (13), and the top end of the air outlet nozzle (13) is fixedly mounted with an air pipe solenoid valve (14).
7. A mold adjustment device for injection molding of a central air-conditioning controller housing according to claim 6, characterized in that: The central tube (11) and the punching knife (12) are vertically mounted on the end of the secondary transmission arm (10), the secondary transmission arm (10) is horizontally mounted on the output shaft of the third driving cylinder (9), and the third driving cylinder (9) is vertically mounted on the end of the main transmission arm (8).