Oil type mold temperature controller for injection molding

Abstract

The utility model relates to the technical field of food processing, in particular to an oil type mold temperature controller for injection molding, which comprises a filter box, an openable oil filling port is arranged on the top surface of the filter box, an oil inlet port and an oil outlet port are arranged on the side wall of the filter box, and a filter component is arranged in the middle of the inner side of the filter box. The discharge end of the oil inlet port extends into the filter box and is communicated with the filter assembly, and the lower part of the filter assembly penetrates through the bottom surface of the filter box and extends to the lower part of the filter box. A filtering assembly is arranged in the middle of the inner side of the filtering box, the discharging end of the oil inlet port extends into the filtering box and is communicated with the filtering assembly, and the lower portion of the filtering assembly penetrates through the bottom face of the filtering box and extends below the filtering box. The filter assembly is arranged in the middle of the filter box, oil discharged from the oil inlet port firstly enters the filter assembly, impurities and the oil are separated through centrifugation and sedimentation, the separated impurities are periodically discharged, and therefore it is ensured that the content of the impurities in the oil is within a proper range.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to an oil-type mold temperature controller for injection molding. Background Art

[0002] The mold temperature controller is a device used to control the mold temperature during the plastic injection molding process. It adjusts the temperature of the mold by circulating heating and cooling fluid to ensure the quality and molding efficiency of plastic products.

[0003] The oil-type temperature-controlled mold machines currently used on the market will accumulate a lot of impurities in the internal oil after long-term use. Removing impurities by sedimentation in the oil storage tank is not only time-consuming, but also easily affected by oil fluctuations. For example, uninterrupted fluctuations will cause repeated turbidity in the oil. The fluctuation problem comes from the circulation of the oil and cannot be avoided. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides the following technical solutions:

[0005] An oil-type mold temperature controller for injection molding, comprising:

[0006] A filter box, wherein the top surface of the filter box has an openable refueling port, the side wall of the filter box has an oil inlet port and an oil outlet port, the middle part of the inner side of the filter box has a filter assembly, the outlet end of the oil inlet port extends into the filter box and is connected with the filter assembly, and the lower part of the filter assembly passes through the bottom surface of the filter box and extends to the bottom of the filter box.

[0007] As an improvement of the above technical solution, the filter assembly includes a cover body with a trumpet-shaped upper part and a funnel-shaped lower part. A tube body is inserted into the top surface of the cover body. The bottom end of the tube body is located in the middle of the inner side of the cover body, and a filter screen is provided at the port. The bottom of the cover body is located outside the filter box, and the bottom of the cover body is connected to the slag collection assembly.

[0008] As an improvement of the above technical solution, the discharge end of the oil inlet port is inscribed inwardly with the upper part of the cover body, the port of the tube body located inside the cover body is trumpet-shaped, and the filter screen is a raised arc surface structure.

[0009] As an improvement of the above technical solution, the slag collecting assembly at least includes a control valve body and a collecting tank, the collecting tank is connected to the cover body through the control valve body, and the control valve body and the collecting tank are detachably connected.

[0010] As an improvement of the above technical solution, the inner diameter of the tube body is larger than the inner diameter of the oil inlet port.

[0011] As an improvement of the above technical solution, the oil inlet port and the oil outlet port are both connected to the circulating oil circuit, and the circulating oil circuit at least includes a heater for heating the oil and a pump body for pumping the oil.

[0012] Beneficial effects of the utility model:

[0013] The filter box has a filter assembly in the middle of the inner side. The discharge end of the oil inlet port extends into the filter box and communicates with the filter assembly. The lower part of the filter assembly passes through the bottom surface of the filter box and extends to the bottom of the filter box. The filter assembly is set in the middle of the filter box. The oil discharged from the oil inlet port will first enter the filter assembly, and the impurities and oil will be separated by centrifugation and sedimentation. The separated impurities are discharged periodically, so as to ensure that the impurity content in the oil is within the appropriate range. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of an oil-type mold temperature controller for injection molding;

[0015] Figure 2 It is a top view of an oil-type mold temperature controller for injection molding;

[0016] Figure 3 for Figure 2 Sectional view at AA in the middle;

[0017] Figure 4 The present invention is a structural schematic diagram of the connection between the filter box, heater and pump body in an oil-type mold temperature controller for injection molding.

[0018] Figure numerals: 10, filter box; 20, refueling port; 30, oil inlet port; 40, oil outlet port; 50, filter assembly; 51, cover body; 52, tube body; 53, filter screen; 54, control valve body; 55, aggregate tank; 60, heater; 70, pump body. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] The existing quantitative control method of the device that uses extrusion to achieve quantitative feeding is easily limited by the length of the extrusion device, and can only achieve quantitative feeding within a relatively small range.

[0021] See attached Figure 1-4 As shown, Figure 1 It is a three-dimensional diagram of an oil-type mold temperature controller for injection molding; Figure 2 It is a top view of an oil-type mold temperature controller for injection molding; Figure 3 for Figure 2 Sectional view at AA in the middle; Figure 4 The present invention is a structural schematic diagram of the connection between the filter box, heater and pump body in an oil-type mold temperature controller for injection molding.

[0022] In order to solve the above problems, the utility model provides a technical solution of an oil-type mold temperature controller for injection molding:

[0023] An oil-type mold temperature controller for injection molding comprises: a filter box 10, an oil filling port 20, an oil inlet port 30, an oil outlet port 40 and a filter assembly 50.

[0024] The top surface of the filter box 10 has an openable refueling port 20, which is normally closed and connected to the oil storage tank or the oil supply pipeline when needed, for adding oil to the filter box 10. When set, the filter box 10 is arranged above the heating device to ensure that the heating device is filled with oil.

[0025] The filter box 10 has an oil inlet port 30 and an oil outlet port 40 on its side wall. The oil inlet port 30 is connected to the oil outlet pipe on the mold, and the oil outlet port 40 is connected to the oil inlet pipe on the mold, thus forming a complete circulation loop.

[0026] A filter assembly 50 is provided in the middle of the inner side of the filter box 10, the discharge end of the oil inlet port 30 extends into the filter box 10 and communicates with the filter assembly 50, and the lower part of the filter assembly 50 passes through the bottom surface of the filter box 10 and extends below the filter box 10. The filter assembly 50 is arranged in the middle of the filter box 10, and the oil discharged from the oil inlet port 30 first enters the filter assembly 50, and the impurities and the oil are separated by centrifugation and sedimentation, and the separated impurities are discharged periodically, so as to ensure that the impurity content in the oil is within a suitable range.

[0027] The lower part of the filter assembly 50 passes through the bottom surface of the filter box 10 and extends to the bottom of the filter box 10, which is more convenient for the discharge of impurities. The design is reasonable and convenient for the slag discharge operation.

[0028] To facilitate understanding of the technical solution of the present application, the filter assembly 50 is further described. Filter assembly 50.

[0029] The filter assembly 50 includes a cover body 51 , a tube body 52 and a filter screen 53 .

[0030] The upper part of the cover body 51 is trumpet-shaped, and the lower part is a funnel-shaped structure. The tube body 52 is arranged through the top surface of the cover body 51. The bottom end of the tube body 52 is located in the middle of the inner side of the cover body 51, and a filter screen 53 is provided at the port. The bottom of the cover body 51 is located outside the filter box 10, and the bottom of the cover body 51 is connected to the slag collecting assembly.

[0031] The pipe body 52 connects the inside of the cover body 51 with the inside of the filter box 10. To prevent some impurities from entering the filter box 10 through the pipe body 52, a filter screen 53 is provided at the end of the pipe body 52. ​​The deposited impurities gradually fall to the bottom of the cover body 51, corresponding to the slag collection assembly.

[0032] In one embodiment, the discharge end of the oil inlet port 30 is inscribed with the upper part of the cover body 51, the port of the tube body 52 located inside the cover body 51 is trumpet-shaped, and the filter screen 53 is a raised arc surface structure. Since the discharge end of the oil inlet port 30 is inscribed with the upper part of the cover body 51, when the oil enters the cover body 51, it first undergoes centrifugal motion, and in the process of flowing downward, due to the increase in the centrifugal radius, the flow rate in the middle area is also relatively low, and the impurities will move downward along the inside of the cover body 51, and the disturbance they receive will become smaller and smaller, so they will not be mixed with the oil in the middle area of ​​the cover body 51 again. In this way, the oil entering the tube body 52 is ensured to be relatively pure. The filter screen 53 can further ensure that impurities do not enter the tube body 52.

[0033] The port of the tube body 52 located inside the cover body 51 is trumpet-shaped, which can increase the entry interface, and the oil body will not change rapidly at the port, reducing fluid disturbance. The filter screen 53 is a raised arc surface structure, which can increase the filtering area and avoid local blockage, which leads to large changes in the flow area.

[0034] In one embodiment, the slag collection assembly includes a control valve body 54 and a collection tank 55 .

[0035] The aggregate tank 55 is connected to the cover body 51 through the control valve body 54, and the control valve body 54 and the aggregate tank 55 are detachably connected. The control valve body 54 is normally closed, and is opened when slag discharge is required, and the deposited impurities will enter the aggregate tank 55. After that, the control valve body 54 is closed, and the aggregate tank 55 can be removed to complete the cleaning of impurities.

[0036] In order to prevent the oil in the pipe body 52 from flowing too fast, the inner diameter of the pipe body 52 is designed to be larger than the inner diameter of the oil inlet port 30. This ensures that the oil will not be disturbed too much due to the excessive flow rate.

[0037] The oil inlet port 30 and the oil outlet port 40 are both connected to the circulating oil circuit, and the circulating oil circuit includes a heater 60 for heating the oil and a pump body 70 for pumping the oil. The pump body 70 is used to provide a driving force to make the oil flow in the circulating oil circuit, and the heater 60 is used to heat the oil so that the oil can stably heat the mold, and the constant temperature of the mold is achieved through the circulation of the oil.

[0038] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. An oil-type mold temperature controller for injection molding, characterized in that: include: A filter box (10), wherein the top surface of the filter box (10) is provided with an openable refueling port (20), the side wall of the filter box (10) is provided with an oil inlet port (30) and an oil outlet port (40), the inner middle portion of the filter box (10) is provided with a filter assembly (50), the outlet end of the oil inlet port (30) extends into the filter box (10) and is connected to the filter assembly (50), and the lower portion of the filter assembly (50) passes through the bottom surface of the filter box (10) and extends to the bottom of the filter box (10).

2. The oil-type mold temperature controller for injection molding according to claim 1, characterized in that: The filter assembly (50) comprises a cover body (51) having a trumpet-shaped upper portion and a funnel-shaped lower portion, a tube body (52) being inserted through the top surface of the cover body (51), the bottom end of the tube body (52) being located in the middle of the inner side of the cover body (51), and a filter screen (53) being provided at the port, the bottom of the cover body (51) being located outside the filter box (10), and the bottom of the cover body (51) being connected to the slag collecting assembly.

3. The oil-type mold temperature controller for injection molding according to claim 2, characterized in that: The discharge end of the oil inlet port (30) is inscribed in the upper part of the cover body (51); the port of the tube body (52) located inside the cover body (51) is trumpet-shaped; and the filter screen (53) is a convex curved surface structure.

4. The oil-type mold temperature controller for injection molding according to claim 2, characterized in that: The slag collecting assembly at least comprises a control valve body (54) and a material collecting tank (55); the material collecting tank (55) is connected to the cover body (51) via the control valve body (54); and the control valve body (54) and the material collecting tank (55) are detachably connected.

5. The oil-type mold temperature controller for injection molding according to claim 3, characterized in that: The inner diameter of the tube body (52) is greater than the inner diameter of the oil inlet port (30).

6. The oil-type mold temperature controller for injection molding according to claim 1, characterized in that: The oil inlet port (30) and the oil outlet port (40) are both connected to a circulating oil circuit, and the circulating oil circuit at least includes a heater (60) for heating oil and a pump body (70) for pumping oil.

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