Circulating system for medium oil of forming machine
By designing a circulation system for the molding machine's media oil, the environmental pollution and safety risks caused by media oil residue were solved. This achieved effective recovery and multi-stage filtration of the media oil, ensuring the safety of the working environment and the purity of the media oil.
Patent Information
- Application Number
- CN202423323647.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-31
AI Technical Summary
During the molding process, the media oil remains on the protective cover and drips, causing environmental pollution and safety risks. At the same time, impurities are mixed into the media oil, which requires effective recovery and filtration.
A circulation system for the medium oil of a molding machine was designed, including an oil tank and an oil return mechanism. By combining the oil return tank and oil return pump with a filter cartridge and an antistatic cartridge, the medium oil can be effectively recovered and filtered in multiple stages. Impurities are further removed through a slag buffer bladder.
It achieves effective recovery of the media oil, prevents pollution and safety risks, ensures the cleanliness of the working environment, and improves the purity of the media oil through multi-stage filtration.
Smart Images

Figure CN223774502U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of machining equipment, and specifically relates to a circulation system for medium oil in a molding machine. Background Technology
[0002] When the forming machine is working, the workpiece needs to be immersed in the medium oil. After processing, the medium oil needs to be sent back to the oil tank. However, some medium oil will remain on the protective cover. When the protective cover is opened to take out or put in the workpiece, some of the medium oil remaining on the protective cover will drip onto the ground, which not only causes environmental pollution, but also poses a safety risk such as operators slipping due to the slippery nature of the medium oil. In addition, a large number of impurities will be generated and mixed into the medium oil during the processing. Therefore, the medium oil needs to be filtered. Summary of the Invention
[0003] The purpose of this invention is to provide a circulating system for the media oil of a molding machine that can effectively recover the media oil on the protective cover.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a circulation system for the medium oil of a molding machine, comprising a frame, an oil tank mounted on the frame, and an oil return mechanism. The oil tank includes a chassis and a protective cover mounted on the chassis. The chassis has a main oil return hole communicating with the oil return mechanism. The protective cover includes a first side plate and a second side plate. The first side plate is fixed to the chassis. One end of the second side plate is hinged to the first side plate, and this end is the proximal end of the second side plate. The lower end of the side wall of the second side plate facing the center of the chassis has a first oil return groove extending along the length direction of the second side plate, and the first oil return groove has a first oil outlet for oil discharge. The first oil outlet is located at the end of the first oil return groove near the proximal end of the second side plate. When the second side plate is rotated open, the first oil outlet is always located directly above the chassis.
[0005] In another embodiment, the projection of the first side plate on the chassis is L-shaped, the near end of the second side plate is hinged to the end of the long side of the first side plate, the protective cover includes a third side plate, the third side plate is hinged to the end of the short side of the first side plate, when the protective cover is closed, the third side plate, the second side plate and the first side plate are connected end to end to form a rectangular protective cover, and the third side plate and the second side plate are connected by a quick connector.
[0006] In another embodiment, the end of the third side plate that is hinged to the first side plate is the proximal end of the third side plate. The lower end of the side wall of the third side plate facing the center of the chassis is provided with a second oil return groove extending along the length direction of the third side plate, and a second oil outlet for oil discharge is opened on the second oil return groove. The second oil outlet is located at the end of the second oil return groove near the proximal end of the second side plate. When the third side plate is rotated open, the second oil outlet is always located directly above the chassis.
[0007] In another embodiment, the first side plate is provided with a main oil inlet, and the oil return mechanism includes an oil return tank installed on one side of the frame, a first oil return pipe connected between the oil return tank and the main oil return hole, a filter cylinder and an antistatic cylinder provided in the oil return tank, an oil return pump installed on the oil return tank, a second oil return pipe connected between the filter cylinder and the oil return pump, a third oil return pipe connected between the oil return pump and the antistatic cylinder, and a fourth oil return pipe connected between the antistatic cylinder and the main oil inlet.
[0008] In another embodiment, a slag buffer bag for secondary filtration is provided below the connection between the fourth return oil pipe and the main oil inlet.
[0009] Due to the application of the above technical solutions, this utility model has the following advantages compared with the prior art: it can effectively recover the medium oil on the protective cover, prevent the medium oil from polluting the site, and ensure the safety of the working environment for operators; in order to prevent incomplete filtration, the extensibility of the sludge buffer bladder reduces the oil flow rate, so that impurities can fall into the sludge buffer bladder before the oil enters the main oil inlet, thereby achieving further filtration. Attached Figure Description
[0010] Figure 1 This is a perspective view of the present invention:
[0011] Figure 2 for Figure 1 A partial view at point A in the middle;
[0012] Figure 3 This is a perspective view of the present invention (other components of the molding machine are not the focus of this invention and are therefore not shown in the figure).
[0013] Figure 4 for Figure 3 A partial view at point B in the middle. Detailed Implementation
[0014] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.
[0015] like Figure 1-4As shown, the circulating system of the molding machine medium oil includes a frame 0, an oil tank 1 mounted on the frame 0, and an oil return mechanism 2. The oil tank 1 includes a chassis 3 and a protective cover 4 mounted on the chassis 3. The chassis 3 is provided with a main oil return hole 5 that connects to the oil return mechanism 2. The protective cover 4 includes a first side plate 6 and a second side plate 7. The first side plate 6 is fixed to the chassis 3. One end of the second side plate 7 is hinged to the first side plate 6. This end is the proximal end of the second side plate 7. The lower end of the side wall of the second side plate 7 facing the center of the chassis 3 is provided with a first oil return groove 9 extending along the length direction of the second side plate 7. The first oil return groove 9 is provided with a first oil outlet 10 for oil discharge. The first oil outlet 10 is located at the end of the first oil return groove 9 near the proximal end of the second side plate 7. When the second side plate 7 is rotated open, the first oil outlet 10 is always located directly above the chassis 3.
[0016] The projection of the first side plate 6 onto the chassis 3 is L-shaped. The near end of the second side plate 7 is hinged to the end of the long side of the first side plate 6. The protective cover 4 includes a third side plate 8, which is hinged to the end of the short side of the first side plate 6. When the protective cover 4 is closed, the third side plate 8, the second side plate 7, and the first side plate 6 are connected end to end to form a rectangular protective cover 4. The third side plate 8 and the second side plate 7 are connected by a quick connector 13. The end of the third side plate 8 that is hinged to the first side plate 6 is the near end of the third side plate 8. The lower end of the side wall of the third side plate 8 facing the center of the chassis 3 is provided with a second oil return groove 11 extending along the length direction of the third side plate 8. A second oil outlet 12 for oil discharge is opened on the second oil return groove 11. The second oil outlet 12 is located at the end of the second oil return groove 11 near the near end of the second side plate 7. When the third side plate 8 is rotated open, the second oil outlet 12 is always located directly above the chassis 3.
[0017] The first side plate 6 is provided with a main oil inlet 23. The oil return mechanism 2 includes an oil return tank 14 installed on one side of the frame 0, a first oil return pipe 15 connecting the oil return tank 14 and the main oil return hole, a filter cylinder 21 and an antistatic cylinder 22 installed in the oil return tank 14, an oil return pump 20 installed on the oil return tank 14, a second oil return pipe 16 connecting the filter cylinder 21 and the oil return pump 20, a third oil return pipe 17 connecting the oil return pump 20 and the antistatic cylinder 22, and a fourth oil return pipe 18 connecting the antistatic cylinder 22 and the main oil inlet 23. Below the connection between the fourth oil return pipe 18 and the main oil inlet 23, there is a slag buffer bladder 19 that communicates with the fourth oil return pipe 18 and is used for secondary filtration.
[0018] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:
[0019] The principle of this utility model is as follows: the residual medium oil on the second side plate 7 and the third side plate 8 can drip into the chassis 3 along the first return oil groove 9 and the second return oil groove 11. Even when the second side plate 7 and the third side plate 8 are in the open state, the first return oil groove 9 and the second return oil groove 11 are always located above the chassis 3, thus ensuring effective recovery of medium oil, preventing medium oil from polluting the site, and ensuring the safety of the working environment for operators; the extensibility of the sludge buffer bladder 19 reduces the oil flow rate, allowing impurities to fall into the sludge buffer bladder 19 before the oil enters the main oil inlet 23, achieving further filtration.
[0020] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.
Claims
1. A molding machine medium oil circulation system comprising a frame, an oil sump mounted on the frame, and an oil return mechanism, the oil sump comprising a base pan, a shield mounted on the base pan, the base pan having a main oil return aperture therein that communicates with the oil return mechanism, the shield comprising a first side panel, a second side panel, the first side panel being fixed to the base pan, the second side panel having one end portion hingedly connected to the first side panel, the end portion being a proximal end portion of the second side panel, characterized in that: The second side plate is provided with a first oil return groove extending along the length direction of the second side plate at the lower end of the side wall towards the center of the chassis, and a first oil outlet for oil discharge is arranged on the first oil return groove, and the first oil outlet is located at the end of the first oil return groove close to the proximal end of the second side plate.
2. The forming machine medium oil circulation system of claim 1, wherein: The first side plate is projected on the chassis in an L shape, the proximal end of the second side plate is hinged to the end of the long side of the first side plate, the protective cover comprises a third side plate, the third side plate is hinged to the end of the short side of the first side plate, when the protective cover is closed, the third side plate, the second side plate and the first side plate are connected end to end in pairs to form a rectangular protective cover, and the third side plate and the second side plate are connected by a quick connector.
3. The forming machine medium oil circulation system of claim 2, wherein: The end of the third side plate hinged to the first side plate is the proximal end of the third side plate, the third side plate is provided with a second oil return groove extending along the length direction of the third side plate at the lower end of the side wall towards the center of the chassis, and a second oil outlet for oil discharge is arranged on the second oil return groove, and the second oil outlet is located at the end of the second oil return groove close to the proximal end of the second side plate, and when the third side plate is opened by rotating, the second oil outlet is always located directly above the chassis.
4. The forming machine medium oil circulation system of claim 1, wherein: The first side plate is provided with a main oil inlet, the oil return mechanism comprises an oil return tank installed on one side of the rack, a first oil return pipe connected between the oil return tank and the main oil return hole, a filter cartridge and a static electricity removal cartridge arranged in the oil return tank, an oil return pump installed on the oil return tank, a second oil return pipe connected between the filter cartridge and the oil return pump, a third oil return pipe connected between the oil return pump and the static electricity removal cartridge, and a fourth oil return pipe connected between the static electricity removal cartridge and the main oil inlet.
5. The forming machine medium oil circulation system of claim 4, wherein: A residue storage buffer bag for secondary filtration is arranged below the connection between the fourth oil return pipe and the main oil inlet and communicates with the fourth oil return pipe.