Injection molding machine with cooling function

Abstract

The utility model discloses an injection molding machine with a cooling function, which comprises an injection molding machine body and a heat exchange device, an oil tank is arranged on the injection molding machine body, the heat exchange device comprises a cylindrical part and a heat exchange component, one end of the cylindrical part forms an opening, and an oil inlet and an oil outlet are arranged on the circumferential surface of the cylindrical part. The heat exchange component comprises an outer cover and a heat exchange pipe, a water inlet and a water outlet are formed in the outer cover, the outer cover is connected with the heat exchange pipe, the water inlet and the water outlet are communicated with the heat exchange pipe, the outer cover is connected with the open end of the cylindrical part, and the heat exchange pipe is located in the cavity of the cylindrical part. The cylindrical part is partially arranged in the oil tank, the oil inlet is located in the oil tank, and the oil outlet is located outside the oil tank. By arranging the heat exchange device, heat exchange treatment can be carried out on the oil temperature in the oil cylinder, and the stability of a hydraulic system is guaranteed even if heat dissipation and cooling are carried out on hydraulic oil.

Description

Technical Field

[0001] The utility model relates to an injection molding machine with a temperature reduction function, belonging to the technical field of mechanical equipment. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.

[0003] During the mold closing and injection molding process of the injection molding machine, the hydraulic cylinder provides power. The pressure required during the injection molding process is extremely high, so the oil temperature inside the hydraulic cylinder is relatively high during operation. The viscosity of the hydraulic oil is an important factor affecting the performance of the hydraulic system. When the oil temperature rises, the viscosity of the hydraulic oil will decrease, resulting in poor fluidity and lubricity of the hydraulic oil, making the pressure and flow of the hydraulic system unstable, affecting the normal operation of the equipment. The heat dissipation system can effectively reduce the temperature of the hydraulic oil and keep its viscosity within a stable range, thereby ensuring the performance of the hydraulic system.

[0004] In view of the above problems, it is necessary to solve the problem of heat dissipation and cooling of the heavy oil temperature in the hydraulic system of the injection molding machine. Utility Model Content

[0005] The main purpose of the utility model is to provide an injection molding machine with a cooling function, which aims to effectively dissipate heat and cool the oil temperature in the hydraulic cylinder of the injection molding machine to ensure the stability of the hydraulic system.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an injection molding machine with a cooling function, comprising an injection molding machine body and a heat exchange device, an oil tank is arranged in the frame of the injection molding machine body, the heat exchange device is fixedly connected to the oil tank, the heat exchange device comprises a cylindrical portion and a heat exchange component, a cavity is formed in the cylindrical portion, and an opening is formed at one end of the cylindrical portion, an oil inlet and an oil outlet are arranged on the circumferential surface of the cylindrical portion, and the oil inlet and the oil outlet are both connected to the cavity, the heat exchange component comprises an outer cover and a heat exchange tube, one end surface of the outer cover is provided with a water inlet and a water outlet, the other end surface of the outer cover is connected to the heat exchange tube, the water inlet and the water outlet are connected to the heat exchange tube, the outer cover is connected to one end of the opening of the cylindrical portion, and the heat exchange tube is in the cavity of the cylindrical portion, the cylindrical portion is partially placed in the oil tank, the oil inlet is in the oil tank, and the oil outlet on the cylindrical portion is outside the oil tank.

[0007] Furthermore, the above-mentioned injection molding machine with a cooling function, wherein: the heat exchange tube includes a plurality of U-shaped tubes, each U-shaped tube is arranged side by side in parallel, there is a gap between each U-shaped tube, the water inlet is connected to one end of each U-shaped tube, and the water outlet is connected to the other end of each U-shaped tube.

[0008] Furthermore, the above-mentioned injection molding machine with a cooling function, wherein: two busbars are further provided, the two busbars are respectively connected to the water inlet and the water outlet, and the two busbars are respectively connected to the two ends of each U-shaped tube.

[0009] Furthermore, the above-mentioned injection molding machine with a cooling function, wherein: a first flange is provided on the outer peripheral surface of the cylindrical portion, the first flange is fixedly connected to the outer wall of the oil tank, the portion of the cylindrical portion from the first flange to the outer cover forms an external portion, and the cylindrical portion from the first flange to the end of the cylindrical portion on the opposite side of the outer cover forms an internal portion, the internal portion is inserted into the oil tank, the external portion is outside the oil tank, the oil inlet is in the internal portion of the cylindrical portion, and the oil outlet is in the external portion of the cylindrical portion.

[0010] Furthermore, in the above-mentioned injection molding machine with cooling function, a second flange is provided on the periphery of the outer cover, an outer ring is formed on the periphery of the opening end of the cylindrical part, and the heat exchange component is fixedly connected to the outer ring of the cylindrical part through the second flange.

[0011] Furthermore, in the above-mentioned injection molding machine with a cooling function, the oil inlet is located on the side of the outer peripheral wall of the cylindrical portion, and the oil outlet is located directly above the outer surface of the cylindrical portion.

[0012] Furthermore, in the above-mentioned injection molding machine with a cooling function, the water inlet and the water outlet are located in a vertical line.

[0013] Furthermore, in the above-mentioned injection molding machine with a cooling function, a water pipe joint is provided on the side of the bottom of the frame of the mold clamping mechanism of the injection molding machine body, a valve is provided on the water pipe joint, and a water pipe is connected to the water pipe joint.

[0014] Furthermore, in the above-mentioned injection molding machine with a cooling function, a limiting member is installed on the side of the movable plate of the mold clamping mechanism of the injection molding machine body, the water pipe is connected to the limiting member, and the water outlet of the water pipe faces between the movable plate and the fixed plate of the mold clamping mechanism. When the sliding door of the injection molding machine body is in a closed state, the limiting member is located inside the sliding door.

[0015] The utility model has the following beneficial effects: the utility model can perform heat exchange treatment on the oil temperature in the oil cylinder by arranging a heat exchange device, that is, dissipate heat and cool the hydraulic oil, thereby ensuring the stability of the hydraulic system; and the utility model is also provided with a water pipe, a water pipe joint and a limiter, which is convenient for flushing and cooling the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the clamping mechanism of the utility model;

[0018] Figure 3 yes Figure 2 Schematic diagram of the structure of part A;

[0019] Figure 4 is a schematic diagram of the heat exchange device structure;

[0020] Figure 5 is a cross-sectional view of the heat exchange device in a top view;

[0021] Figure 6 It is a cross-sectional view of the heat exchange device from the side.

[0022] In the figure: 1. Injection molding machine body; 2. Oil tank; 3. Heat exchange device; 31. Cylindrical portion; 311. Oil inlet; 312. Oil outlet; 313. First flange; 32. Heat exchange component; 321. Water inlet; 322. Water outlet; 323. Second flange; 324. Outer cover; 325. Heat exchange tube; 326. Bus; 4. Water pipe joint; 5. Limiting piece. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 6 As shown, the injection molding machine with a cooling function of the utility model comprises an injection molding machine body 1 and a heat exchange device. An oil tank is arranged in the frame of the injection molding machine body 1. The heat exchange device comprises a cylindrical portion 31 and a heat exchange component 32. A cavity is formed in the cylindrical portion 31, and an opening is formed at one end of the cylindrical portion 31. An oil inlet 311 and an oil outlet 312 are arranged on the circumference of the cylindrical portion 31. The oil inlet 311 and the oil outlet 312 are both connected to the cavity. The heat exchange component 32 comprises an outer cover 34 and a heat exchange pipe 35. The outer cover 34 One end face is connected with a water inlet 321 and a water outlet 322, and the other end face of the outer cover 34 is connected with the heat exchange tube 35, and the water inlet 321 and the water outlet 322 are both communicated with the heat exchange tube 35. The outer cover 34 is connected to the open end of the cylindrical portion 31, and the heat exchange tube 35 is in the cavity of the cylindrical portion 31. The cylindrical portion 31 is partially placed in the oil tank, and the oil inlet 311 on the cylindrical portion 31 is in the oil tank, and the oil outlet 312 on the cylindrical portion 31 is outside the oil tank.

[0025] like Figures 4 to 6As shown, a first flange 313 is provided on the outer circumference of the cylindrical part 31, and the part of the cylindrical part 321 from the first flange 313 to the outer cover 4 forms an external part, and the cylindrical part 321 forms an internal part from the first flange 313 to the end of the cylindrical part 31 on the opposite side of the outer cover 4, the internal part is inserted into the oil tank, and the external part is outside the oil tank. The heat exchange device is fixedly connected to the outer wall of the oil tank through the first flange 313, the oil inlet 311 is in the internal part of the cylindrical part 31, and the oil outlet 312 is in the external part of the cylindrical part 31. A second flange 323 is provided on the outer circumference of the outer cover 34, and an outer ring is formed on the outer circumference of one end of the opening of the cylindrical part, and the heat exchange component 32 is fixedly connected to the outer ring of the cylindrical part 31 through the second flange 323.

[0026] like Figure 5 and Figure 6 As shown, the heat exchange tube 325 includes a plurality of U-shaped tubes, each of which is arranged in parallel and with gaps between each U-shaped tube. The water inlet 321 is connected to one end of each U-shaped tube, and the water outlet 322 is connected to the other end of each U-shaped tube. Preferably, two busbars 326 are provided, one side of each busbar 326 is connected to the water inlet 321 and the water outlet 322, respectively, and the other side of each busbar 326 is connected to both ends of each U-shaped tube, and the water inlet 321 is diverted to each U-shaped tube through the busbar 326, and the other end of each U-shaped tube returns to the water outlet 322 through the busbar 326.

[0027] Preferably, if Figures 4 to 6 As shown, the oil inlet 311 is located on the side of the outer peripheral wall of the cylindrical portion 31, and the oil outlet is located directly above the outer surface of the cylindrical portion 31. The water inlet 321 and the water outlet 322 are located on a vertical line on the outer cover.

[0028] like Figures 1 to 3 As shown, a water pipe joint 5 is provided on the side of the bottom of the frame of the clamping mechanism of the injection molding machine body 1, and a valve is provided on the water pipe joint 5. The water pipe joint 5 is connected to a water pipe (not shown in the figure). A limiting member 6 is installed on the side of the movable plate of the clamping mechanism. The water pipe is connected to the limiting member 6, and the water outlet of the water pipe faces between the movable plate and the fixed plate of the clamping mechanism (not shown in the figure). When the sliding door of the injection molding machine body 1 is in a closed state, the limiting member 6 is on the inner side of the sliding door. The water pipe is connected to the limiting member 6 through the water pipe joint 5, which plays a limiting role on the water pipe. The injection molding machine body 1 prevents the water pipe from affecting the sliding door when the sliding door is pulled. By controlling the valve of the water pipe joint 5, water can be turned on or off as needed. The water pipe 6 can be set to effectively rinse and cool the mold in the clamping mechanism, and also has a cooling effect.

[0029] The method of using the utility model is as follows: cold water enters the water inlet 321 of the heat exchange component 32, and flows back to the water outlet 322 through the heat exchange pipe. The hydraulic oil in the oil tank enters the interior of the cylindrical portion 31 of the heat exchange device 3 through the oil inlet 311 and flows out through the oil outlet 312. The oil outlet 312 is connected to the hydraulic system, so that when the hydraulic press is working, the oil in the oil tank exchanges heat in the heat exchange component 32, thereby cooling the hydraulic oil.

[0030] From the above description, it can be seen that the utility model can perform heat exchange treatment on the oil temperature in the oil cylinder by arranging a heat exchange device, that is, dissipate heat and cool the hydraulic oil, thereby ensuring the stability of the hydraulic system; and the utility model is also provided with a water pipe, a water pipe joint and a limiter, which is convenient for flushing and cooling the mold.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection molding machine with a cooling function, characterized in that: The invention comprises an injection molding machine body and a heat exchange device. An oil tank is arranged in the frame of the injection molding machine body. The heat exchange device is fixedly connected to the oil tank. The heat exchange device comprises a cylindrical portion and a heat exchange component. A cavity is formed in the cylindrical portion, and an opening is formed at one end of the cylindrical portion. An oil inlet and an oil outlet are arranged on the circumference of the cylindrical portion. Both the oil inlet and the oil outlet are connected to the cavity. The heat exchange component comprises an outer cover and a heat exchange tube. A water inlet and a water outlet are arranged on the end surface of one end of the outer cover. The other end surface of the outer cover is connected to the heat exchange tube. The water inlet and the water outlet are connected to the heat exchange tube. The outer cover is connected to one end of the opening of the cylindrical portion, and the heat exchange tube is in the cavity of the cylindrical portion. The cylindrical portion is partially placed in the oil tank, and the oil inlet is in the oil tank, and the oil outlet is outside the oil tank.

2. The injection molding machine with a cooling function according to claim 1, characterized in that: The heat exchange tube comprises a plurality of U-shaped tubes, each of which is arranged in parallel and side by side, with a gap between each of the U-shaped tubes; the water inlet is connected to one end of each of the U-shaped tubes, and the water outlet is connected to the other end of each of the U-shaped tubes.

3. The injection molding machine with a cooling function according to claim 2, characterized in that: Two busbars are also provided, the two busbars are respectively connected to the water inlet and the water outlet, and the two busbars are respectively connected to the two ends of each U-shaped tube.

4. The injection molding machine with a cooling function according to claim 1, characterized in that: A first flange is provided on the outer circumferential surface of the cylindrical portion, and the first flange is fixedly connected to the outer wall of the oil tank. The portion of the cylindrical portion from the first flange to the outer cover forms an external portion, and the portion of the cylindrical portion from the first flange to the end of the cylindrical portion on the opposite side of the outer cover forms an internal portion, the internal portion is inserted into the oil tank, and the external portion is outside the oil tank, the oil inlet is located in the internal portion of the cylindrical portion, and the oil outlet is located in the external portion of the cylindrical portion.

5. The injection molding machine with a cooling function according to claim 1, characterized in that: A second flange is disposed on the outer periphery of the outer cover, an outer ring is formed on the outer periphery of one end of the cylindrical portion opening, and the heat exchange component is fixedly connected to the outer ring of the cylindrical portion through the second flange.

6. The injection molding machine with a cooling function according to claim 1, characterized in that: The oil inlet is located at the side of the outer peripheral wall of the cylindrical portion, and the oil outlet is located directly above the outer surface of the cylindrical portion.

7. The injection molding machine with a cooling function according to claim 1, characterized in that: The water inlet and the water outlet are located on a vertical line.

8. The injection molding machine with a cooling function according to claim 1, characterized in that: A water pipe joint is arranged on the side of the bottom of the mold clamping mechanism frame of the injection molding machine body, a valve is arranged on the water pipe joint, and a water pipe is connected to the water pipe joint.

9. The injection molding machine with a cooling function according to claim 8, characterized in that: A limiting member is installed on the side of the movable plate of the clamping mechanism of the injection molding machine body, the water pipe is connected to the limiting member, and the water outlet end of the water pipe faces between the movable plate and the fixed plate of the clamping mechanism. When the sliding door of the injection molding machine body is in a closed state, the limiting member is on the inner side of the sliding door.

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