Hot runner switching tool for injection molding
By configuring hot runner adapter tool on the injection mold, the problem of injection molding materials falling directly into the back mold cavity is solved, and an efficient injection molding process is achieved, mold damage and safety hazards are avoided, and injection molding efficiency is improved.
Patent Information
- Application Number
- CN202422371259.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
During the mold opening process of existing injection molds, injection molding materials are likely to fall directly into the back mold cavity, resulting in low injection molding efficiency and safety hazards. The vertical injection molding machine has been shut down for a long time and causes the glue to be carbonized and damage the mold.
A hot runner adapter tool for injection molding is designed, including adapter blocks and sealing, which are connected to the injection mold through the adapter blocks. The feed path is switched in different mold states by using the sealing to prevent the glue from entering the rear mold cavity directly, and the feed port is sealed in the open mold state to prevent the glue from carbonizing.
It improves injection molding efficiency, avoids mold damage and safety accidents, reduces downtime, and ensures the safety and stability of the injection molding process.
Smart Images
Figure CN223085309U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile part manufacturing, in particular to a hot runner transfer tooling for injection molding. Background Art
[0002] As Figure 1 shown, in the existing injection mold for forming the rear side window triangle of an automobile by injection molding, the feeding nozzle is arranged on the side surface of the front mold in the injection mold. When using the injection mold to inject and form the rear side window triangle of the automobile, usually a vertical injection molding machine is arranged on the side surface of the injection mold, so that the injection gun nozzle of the vertical injection molding machine is aligned with the feeding nozzle and injects the injection molding compound into the hot runner in the injection mold through the feeding nozzle. Since the position of the injection gun nozzle of the vertical injection molding machine is fixed, and the feeding nozzle moves with the front mold during the mold opening process, the injection molding compound ejected from the injection gun nozzle not only cannot be injected into the hot runner of the injection mold through the feeding nozzle, but also directly falls into the mold cavity on the rear mold, which is not easy to clean, affects the injection molding efficiency, and even damages the injection mold. To avoid the injection molding compound directly falling into the mold cavity on the rear mold when the injection mold is opened, the vertical injection molding machine is only in the working state when the injection mold is in the closed mold state, and is in the shutdown state at other times. However, since the temperature in the injection gun barrel of the vertical injection molding machine is too high, the injection molding compound stays for a long time and is prone to carbonization. When the carbonized injection molding compound is ejected again when the vertical injection molding machine is restarted, it will damage the injection mold, and even cause explosion and combustion, resulting in safety accidents. Content of the Utility Model
[0003] In order to avoid damage to the injection mold and improve the injection molding efficiency, the utility model proposes a hot runner adapter tool for injection molding, which includes an adapter block and a sealing plug. The adapter block is provided with a direct port, an adapter interface and a transfer channel, and the transfer channel connects the direct port and the adapter interface; the sealing plug is inserted in the direct port and blocks the feed port of the direct port; when in use, the adapter block is installed on the front mold side of the matching injection mold, and the direct port is connected to the feed nozzle on the injection mold, and when the injection mold is in an open mold state, the adapter interface is opposite to the injection muzzle of the matching vertical injection molding machine. When a product is injected by using a vertical injection molding machine in conjunction with an injection mold whose feed nozzle is located on the side of the front mold, the hot runner transfer tooling for injection molding of the utility model can be installed on the side of the front mold of the injection mold, so that the direct port on the transfer block is connected to the feed nozzle on the injection mold, and the transfer port is opposite to the injection muzzle of the vertical injection molding machine when the injection mold is in the mold opening state. In this way, when the injection mold is in the mold closing state, the sealing plug is taken out from the direct port, the injection muzzle of the vertical injection molding machine is opposite to the direct port, and the injection molding rubber material can be injected into the direct port, so that the injection molding rubber material passes through the feed nozzle and enters the main flow channel of the injection mold; when the injection mold is in the mold opening state, the sealing plug is inserted into the direct port to seal the direct port, the injection muzzle of the vertical injection molding machine is opposite to the transfer port, and the injection molding rubber material can be injected into the transfer port, so that the injection molding rubber material passes through the transfer runner and the feed nozzle and enters the main flow channel of the injection mold. It can be seen that after the hot runner adapter for injection molding of the utility model is configured on the injection mold, the vertical injection molding machine can inject the injection molding rubber into the main channel through the direct port or the adapter port on the hot runner adapter for injection molding of the utility model as needed, and the injection molding rubber will not be injected into the mold cavity of the rear mold, and there is no need to stop the machine for a long time to cause carbonization of the injection molding rubber. Damage to the injection mold can be avoided and the injection molding efficiency is improved.
[0004] Preferably, a positioning plane is provided on the side of the sealing plug, so that when the sealing plug is inserted into the direct opening, the positioning plane can be used to clamp the sealing plug, so as to prevent the sealing plug from rotating in the direct opening due to force, thereby affecting the sealing effect.
[0005] Preferably, a slot is provided on the side of the sealing plug, a bayonet hole for inserting a bayonet pin is provided on the adapter block, and when the sealing plug is inserted into the direct port, the slot is communicated with the bayonet hole, and the bayonet pin is inserted into the bayonet hole and passes through the slot. In this way, after the sealing plug is inserted into the direct port, the bayonet pin inserted into the bayonet hole and the slot can be used to clamp the sealing plug, so as to prevent the sealing plug from slipping out of the direct port and affecting the sealing effect. Furthermore, a stopper rod is provided at the free end of the bayonet pin located outside the bayonet hole. In this way, when the bayonet pin is inserted into the bayonet hole, the stopper rod can be used to cooperate with the orifice of the bayonet hole to limit the bayonet pin, so as to prevent the bayonet pin from falling off from the bayonet hole and affecting the sealing effect of the sealing plug.
[0006] Preferably, the card slot and the positioning plane are arranged oppositely on both sides of the plugging block. In this way, the card slot and the positioning plane are arranged oppositely on both sides of the plugging block, which can not only improve the positioning effect of the plugging block in the direct port and enhance the plugging effect, but also facilitate processing and reduce the manufacturing cost of the hot runner transfer tooling for injection molding of the present utility model.
[0007] Preferably, a handle is provided on the outer end face of the plugging block. In this way, during the injection molding process, the operator can insert or pull out the plugging block from the direct port as needed by using the handle, and the operation is simple and convenient.
[0008] Preferably, a transfer feeding nozzle is provided at the transfer interface. In this way, when the injection mold is in the open mold state, it is not only convenient for the vertical injection molding machine to inject the injection molding compound into the transfer interface through the injection nozzle via the transfer feeding nozzle, but also can prevent the transfer interface from being damaged due to direct exposure and affect the service life of the hot runner transfer tooling for injection molding of the present utility model.
[0009] Preferably, the transfer block is installed and fixed on the front mold of the injection mold by bolts. In this way, the main component transfer block in the hot runner transfer tooling for injection molding of the present utility model is installed and fixed on the front mold of the injection mold by using bolts, and the installation is simple and convenient. Description of the Drawings
[0010] Figure 1 is a schematic structural diagram of the hot runner transfer tooling for injection molding of the present utility model;
[0011] Figure 2 is a schematic structural diagram when the hot runner transfer tooling for injection molding of the present utility model is used in cooperation with the paired injection mold and the vertical injection molding machine;
[0012] Figure 3 is Figure 2 the main view schematic diagram of the A-A sectional structure in Detailed Description of the Preferred Embodiment
[0013] Next, in combination with Figures 1 - 3 , the hot runner transfer tooling for injection molding of the present utility model will be described in detail.
[0014] As shown in Figures 1 - 3As shown, the hot runner transfer tooling for injection molding of the utility model comprises a transfer block 1 and a sealing plug 2. The transfer block 1 is provided with a direct port 11, a transfer port 12 and a transfer channel 13, and the transfer channel 13 is connected with the direct port 11 and the transfer port 12; the sealing plug 2 is inserted in the direct port 11 and blocks the feed port of the direct port 11; when in use, the transfer block 1 is installed on the side of the front mold 31 of the matched injection mold 3, and the direct port 11 is connected with the feed nozzle 32 on the injection mold 3, and when the injection mold 3 is in the mold opening state, the transfer port 12 is opposite to the injection muzzle 41 of the matched vertical injection molding machine 4. Preferably, a transfer feed nozzle 14 is provided at the transfer port 12. In this way, when the injection mold 3 is in the mold opening state, it is convenient for the vertical injection molding machine 4 to inject the injection molding rubber into the adapter 12 through the injection muzzle 41 through the adapter feed nozzle 14, and it can also prevent the adapter 12 from being directly exposed to the outside and being damaged by bumps, which affects the service life of the hot runner adapter tooling for injection molding of the utility model. Preferably, the adapter block 1 is fixed to the front mold 31 of the injection mold 3 by bolts 15. In this way, the adapter block 1, the main component in the hot runner adapter tooling for injection molding of the utility model, is fixed to the front mold 31 of the injection mold 3 by bolts 15, and the installation is simple and convenient. Preferably, an adjustment cylinder 16 is sleeved on the bolt 15, and the adjustment cylinder 16 is clamped between the injection mold 3 and the adapter block 1. In this way, when the hot runner adapter tooling for injection molding of the utility model is installed on different injection molds 3, the adjustment cylinder 16 can be replaced as needed to ensure the stability of the adapter block 1 when it is installed and fixed on the injection mold 3, thereby expanding the scope of application of the hot runner adapter tooling for injection molding of the utility model.
[0015] like Figures 1 to 3As shown in the figure, a positioning plane 21 is provided on the side surface of the plugging block 2. In this way, when the plugging block 2 is inserted into the direct port 11 on the adapter block 1, the positioning plane 21 can be used to hold the plugging block 2, preventing the plugging block 2 from rotating in the direct port 11 due to force and affecting the plugging effect. Preferably, a card slot (not shown in the figure) is provided on the side surface of the plugging block 2, and a pin hole (not shown in the figure) for inserting the plugging pin 17 is provided on the adapter block 1. When the plugging block 2 is inserted into the direct port 11, the card slot communicates with the pin hole, and the plugging pin 17 is inserted into the pin hole and passes through the card slot. In this way, after the plugging block 2 is inserted into the direct port 11, the plugging block 2 can be held by the plugging pin 17 inserted into the pin hole and the card slot, preventing the plugging block 2 from slipping out of the direct port 11 and affecting the plugging effect. Preferably, a stop bar 171 is provided at the free end of the plugging pin 17 located outside the pin hole. In this way, when the plugging pin 17 is inserted into the pin hole, the stop bar 171 can be used to cooperate with the orifice of the pin hole to limit the plugging pin 17, preventing the plugging pin 17 from falling out of the pin hole and affecting the plugging effect of the plugging block 2. Preferably, the card slot and the positioning plane 21 are arranged opposite to each other on both sides of the plugging block 2. In this way, the card slot and the positioning plane 21 are arranged opposite to each other on both sides of the plugging block, making the central axis of the plugging pin 17 passing through the card slot parallel to the positioning plane 21, which can not only improve the positioning effect of the plugging block 2 in the direct port 11, improve the plugging effect, but also facilitate processing and reduce the manufacturing cost of the hot runner adapter tooling for injection molding of the present utility model. Preferably, a handle 22 is provided on the outer end surface of the plugging block 2. In this way, during the injection molding process, the operator can insert or pull out the plugging block 2 from the direct port 11 according to needs by using the handle, and the operation is simple and convenient.
[0016] When using an upright injection molding machine 4 to cooperate with an injection mold 3 with a feed nozzle 32 located on the side of the front mold 31 to inject products, the hot runner transfer tooling for injection molding of the present utility model can be installed on the side of the front mold 31 of the injection mold 3, so that the direct port 11 on the transfer block 1 communicates with the feed nozzle 31 on the injection mold 3, and the transfer port 12 faces the injection nozzle 41 of the upright injection molding machine 4 when the injection mold 3 is in the open mold state. In this way, when the injection mold 3 is in the closed mold state, the plug 2 is taken out from the direct port 11, and the injection nozzle 41 of the upright injection molding machine 4 faces the direct port 11, and the injection molding compound can be injected into the direct port 11, so that the injection molding compound enters the main runner 33 of the injection mold 3 through the feed nozzle 32; when the injection mold 3 is in the open mold state, the plug 2 is inserted into the direct port 11 to block the direct port 11, and the injection nozzle 41 of the upright injection molding machine 4 faces the transfer port 12, and the injection molding compound can be injected into the transfer port 12, so that the injection molding compound enters the main runner 33 of the injection mold 3 through the transfer runner 13 and the feed nozzle 32. It can be seen that after the hot runner transfer tooling for injection molding of the present utility model is configured on the injection mold 3, the upright injection molding machine 4 can inject the injection molding compound into the main runner 33 through the direct port 11 or the transfer port 12 on the hot runner transfer tooling for injection molding of the present utility model as needed, neither injecting the injection molding compound into the mold cavity of the rear mold nor causing the injection molding compound to carbonize due to long-term shutdown, which can avoid damage to the injection mold and improve the injection efficiency.
Claims
1. A hot runner transfer tooling for injection molding, characterized in that The hot runner adapter tooling for injection molding includes an adapter block and a plugging block. The adapter block is provided with a direct port, an adapter port and an adapter runner, and the adapter runner communicates with the direct port and the adapter port; The plugging block is inserted into the direct port and plugs the feed port of the direct port; In use, the adapter block is installed on the side of the front mold of the mating injection mold, and the direct port is docked and communicated with the feed nozzle on the injection mold. When the injection mold is in the open mold state, the adapter port is opposite to the injection gun nozzle of the mating vertical injection molding machine.
2. The hot runner transfer tooling for injection molding according to claim 1, wherein The side of the plugging block is provided with a positioning plane.
3. The hot runner adapter tooling for injection molding according to claim 2, wherein The side of the plugging block is provided with a card slot, and the adapter block is provided with a pin hole for inserting a pin. When the plugging block is inserted into the direct port, the card slot communicates with the pin hole, and the pin is inserted into the pin hole and passes through the card slot.
4. The hot runner adapter tooling for injection molding according to claim 3, characterized in that, A retaining bar is provided at the free end of the pin located outside the pin hole.
5. The hot runner transfer tooling for injection molding according to claim 3, wherein, The card slot and the positioning plane are arranged oppositely on both sides of the plugging block.
6. The hot runner transfer tooling for injection molding according to any one of claims 1-5, characterized in that, A handle is provided on the outer end face of the plugging block.
7. The hot runner transfer tooling for injection molding according to any one of claims 1-5, characterized in that, A transfer feed nozzle is provided at the adapter port.
8. The hot runner transfer tooling for injection molding according to any one of claims 1-5, characterized in that The adapter block is fixedly installed on the front mold of the injection mold by bolts.