Hot runner oil cylinder with cooling device

Abstract

The utility model relates to the field of oil cylinders, and discloses a hot runner oil cylinder with a cooling device, which comprises an oil cylinder module, a heat dissipation module is sleeved on the outer surface of the oil cylinder module in a threaded manner, the oil cylinder module comprises a main body, an oil inlet pipe is fixedly arranged on the front end face of the main body, and the heat dissipation module comprises a water storage tank. A heat conduction plate is embedded in the inner wall of the rear end of the water storage tank, a heat conduction pipe is wound on the inner wall of the rear end of the water storage tank, a threaded enclosure is fixedly arranged on the lower end face of the water storage tank, and an oil inlet is fixedly formed in one side of the upper end face of the water storage tank. The heat dissipation module arranged on the outer surface of the oil cylinder module can cool the oil cylinder module during use, an oil inlet pipe is arranged at the front end of a main body of the oil cylinder module, oil can enter the main body, the heat dissipation module comprises a water storage tank, and a threaded enclosure is fixed at the lower end of the heat dissipation module and can be in threaded connection with the oil cylinder module. And the oil cylinder module is connected with the heat dissipation module.

Description

Technical Field

[0001] The utility model relates to the field of oil cylinders, in particular to a hot runner oil cylinder with a cooling device. Background Art

[0002] The hot runner cylinder is an important component of the hot runner system. It is mainly responsible for driving the valve needle assembly up and down to control the flow of molten plastic. The hot runner system is usually used in injection molds to quickly and evenly transport the molten plastic to various parts of the mold, so that the plastic can be quickly filled into the mold and the product can be quickly formed.

[0003] During long-term use of the hot runner cylinder, the temperature of the hydraulic oil inside will gradually increase, and the temperature of the cylinder surface will also increase. Most of the existing hot runner cylinder heat dissipation methods use fans to dissipate the overall heat of the equipment that fixes the cylinder, thereby dissipating the heat of the cylinder module. However, the heat dissipation time is long, which affects the use of the injection mold.

[0004] Therefore, the utility model provides a hot runner cylinder with a cooling device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a hot runner cylinder with a cooling device is proposed. The fixed clamping surround at the upper end of the water tank can clamp the upper end of the cylinder module, and the sealing gasket at the lower end of the clamping surround can increase the friction between the clamping surround and the upper end of the cylinder to prevent the cylinder module from shaking inside the heat dissipation module. The connecting block fixed on the lower end face of the main body is provided with a connecting port, which can facilitate the connection of the equipment and other structures when in use.

[0006] To achieve the above object, the utility model provides the following technical solution: a hot runner oil cylinder with a cooling device, comprising an oil cylinder module, a heat dissipation module is threadedly sleeved on the outer surface of the oil cylinder module, the oil cylinder module comprises a main body, and an oil inlet pipe is fixedly arranged on the front end surface of the main body;

[0007] The heat dissipation module includes a water tank, a heat conducting plate is embedded in the inner wall of the rear end of the water tank, a heat conducting pipe is wound around the inner wall of the rear end of the water tank, a threaded enclosure is fixedly provided on the lower end surface of the water tank, an oil inlet is fixedly provided on one side of the upper end surface of the water tank, and an oil outlet is fixedly provided on one side of the lower end surface of the water tank;

[0008] Through the above technical scheme, the heat dissipation module arranged on the surface of the cylinder module can cool the cylinder module when in use, and an oil inlet pipe is arranged at the front end of the main body of the cylinder module, so that oil can enter the main body, and the heat dissipation module includes a water tank, and a threaded enclosure is fixed at the lower end, which can be threadedly connected with the cylinder module, so that the cylinder module and the heat dissipation module are connected, and a heat conducting plate is fixed on the inner wall of the water tank, which is directly connected to the cylinder module when in use, and can absorb the temperature generated by the cylinder and transfer the heat to the interior of the low-temperature liquid in the water tank, and a heat conducting pipe is wrapped around the outer surface of the inner wall of the water tank, and the upper end of the heat conducting pipe is connected to the oil inlet at the upper end of the water tank, and the lower end is connected to the oil outlet at the lower end of the water tank, and the hydraulic oil can flow inside the heat conducting pipe when in use, and the heat generated by the heated hydraulic oil can be transferred from the inside of the heat conducting pipe to the inside of the low-temperature liquid in the water tank when the cylinder is in use.

[0009] Furthermore, a transfer tube is threadedly connected to the lower end surface of the heat dissipation module, and a rotating cover is rotatably provided on the other side of the transfer tube;

[0010] Through the above technical solution, the oil outlet at the lower end of the heat dissipation module is connected to the adapter tube, and the rotating cover on one side of the adapter tube can connect the adapter tube and the oil inlet pipe, so that the hydraulic oil can flow inside the cylinder module and the heat pipe.

[0011] Furthermore, a connection block is fixedly provided on the lower end surface of the main body, and a connection port is provided on one side of the connection block;

[0012] Through the above technical solution, the connection block fixed on the lower end surface of the main body is provided with a connection port, which can facilitate the connection between the device and other structures when in use.

[0013] Furthermore, a sealing rubber ring is fixedly arranged on the upper end of the outer surface of the main body, and a threaded groove is opened on the lower end of the outer surface of the main body;

[0014] Through the above technical scheme, the sealing rubber ring fixed on the outer surface of the main body can increase the firmness of the connection between the cylinder module and the heat dissipation module when in use, and the threaded groove outside the main body can be connected to the threaded enclosure of the heat dissipation module to connect the cylinder module and the heat dissipation module.

[0015] Furthermore, a clamping block is slidably provided on the upper end surface of the main body, and a needle valve is slidably provided on the upper end surface of the clamping block;

[0016] Through the above technical solution, the clamping block on the upper end surface of the main body can make the connection between the cylinder module and the heat dissipation module more stable, and the needle valve can be connected to the injection port to control the opening and closing of the injection port.

[0017] Furthermore, a clamping enclosure is fixedly provided at the upper end of the water storage tank, and a sealing gasket is fixedly provided at the lower end of the inner top surface of the clamping enclosure;

[0018] Through the above technical solution, the fixed clamping surround at the upper end of the water tank can clamp the upper end of the cylinder module, and the sealing gasket at the lower end of the clamping surround can increase the friction between the clamping surround and the upper end of the cylinder to prevent the cylinder module from shaking inside the heat dissipation module.

[0019] Furthermore, the upper and lower end surfaces of the water storage tank are fixedly provided with connecting pipes;

[0020] Through the above technical solution, one of the two connecting pipes connected to the water tank can transmit the low-temperature liquid to the inside of the water tank, and the other can transmit the heated low-temperature liquid to the outside of the water tank.

[0021] The utility model has the following beneficial effects:

[0022] 1. The hot runner oil cylinder with a cooling device proposed by the utility model has a heat dissipation module and a cylinder module that are threadedly connected when in use. The heat dissipation module includes a water storage tank, and a heat conducting plate is fixed to the inner wall of the water storage tank. The heat conducting plate is directly connected to the outer surface of the cylinder module when in use. The cylinder module generates heat when in use, and the heat conducting plate can transfer the heat to the low-temperature liquid inside the water storage tank to cool the cylinder module.

[0023] 2. The hot runner oil cylinder with a cooling device proposed by the utility model has a heat conducting pipe wrapped around the outer surface of the inner wall of the water tank when in use. The upper end of the heat conducting pipe is connected to the oil inlet at the upper end of the water tank, and the lower end is connected to the oil outlet at the lower end of the water tank. When the oil cylinder module is working, the hydraulic oil inside the oil cylinder can be transferred to the inside of the heat conducting pipe inside the water tank. When the oil cylinder is working, the temperature of the internal hydraulic oil will increase. The heat conducting pipe can transfer the temperature of the heated hydraulic oil to the low-temperature liquid inside the water tank, so that the hydraulic oil can be quickly cooled down. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main visual axis side of the utility model;

[0025] Figure 2 It is a top-down axial schematic diagram of the utility model;

[0026] Figure 3 It is an axial schematic diagram of a partial structure of a heat dissipation module of the utility model;

[0027] Figure 4 It is an axial schematic diagram of the partial structure of the oil cylinder module of the utility model;

[0028] Figure 5 It is a front cross-sectional schematic diagram of a partial structure of the heat dissipation module of the present utility model.

[0029] Legend:

[0030] 1. Cylinder module; 2. Heat dissipation module; 3. Adapter tube; 4. Rotating cover; 101. Main body; 102. Sealing rubber ring; 103. Snap-in block; 104. Needle valve; 105. Threaded groove; 106. Oil inlet pipe; 107. Connecting block; 108. Connecting port; 201. Water tank; 202. Snap-in surround; 203. Sealing gasket; 204. Heat transfer plate; 205. Oil outlet; 206. Oil inlet; 207. Heat transfer pipe; 208. Connecting port; 209. Threaded surround. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-5 The utility model provides an embodiment: a hot runner oil cylinder with a cooling device, comprising an oil cylinder module 1, a heat dissipation module 2 is threadedly sleeved on the outer surface of the oil cylinder module 1, a transfer tube 3 is threadedly connected to the lower end surface of the heat dissipation module 2, a rotating cover 4 is rotatably arranged on the other side of the transfer tube 3, the oil cylinder module 1 comprises a main body 101, and an oil inlet pipe 106 is fixedly arranged on the front end surface of the main body 101;

[0033] The heat dissipation module 2 includes a water tank 201, a heat conducting plate 204 is embedded in the inner wall of the rear end of the water tank 201, a heat conducting pipe 207 is wrapped around the inner wall of the rear end of the water tank 201, a threaded enclosure 209 is fixedly provided on the lower end surface of the water tank 201, an oil inlet 206 is fixedly provided on one side of the upper end surface of the water tank 201, an oil outlet 205 is fixedly provided on one side of the lower end surface of the water tank 201, a clamping enclosure 202 is fixedly provided on the upper end surface of the water tank 201, a sealing gasket 203 is fixedly provided on the lower end of the top surface of the clamping enclosure 202, and connecting pipes 208 are fixedly provided on the upper and lower end surfaces of the water tank 201.

[0034] When in use, the heat dissipation module 2 arranged on the surface of the cylinder module 1 can cool the cylinder module 1 when it is working. The front end of the adapter tube 3 connected to the lower end of the heat dissipation module 2 is rotatably provided with a rotating cover 4. The rotating cover 4 can be connected to the oil inlet pipe 106 arranged at the front end of the main body 101 of the cylinder module 1. The heat dissipation module 2 includes a water tank 201. The inner wall of the water tank 201 is provided with a heat conducting plate 204. The heat conducting plate 204 is directly connected to the outer wall of the cylinder module 1, and can transmit the temperature generated by the operation of the cylinder module 1, and transmit the heat to the low-temperature liquid inside the water tank 201. The outer surface of the inner wall of the water tank 201 is wrapped with a heat conducting pipe 207. The upper end of the heat conducting pipe 207 is connected to the oil inlet 206 at the upper end of the water tank 201. The end is connected to the oil outlet 205 at the lower end of the water tank 201, so that the hydraulic oil can flow inside the heat pipe 207. When the oil cylinder is in use, the heated hydraulic oil can be transmitted to the heat pipe 207, and the generated heat can be transmitted from the inside of the heat pipe 207 to the low-temperature liquid inside the water tank 201. The threaded groove 105 of the cylinder module 1 and the threaded enclosure 209 of the heat dissipation module 2 are threadedly sleeved, and the clamping enclosure 202 at the upper end of the water tank 201 is connected to the sealing gasket 203, so that the cylinder module 1 can be more firmly connected to the heat dissipation module 2. One of the two connecting pipes 208 connected to the water tank 201 can transmit the low-temperature liquid to the inside of the water tank 201, and the other can export the heated low-temperature liquid out of the water tank 201.

[0035] Reference Figure 4 A connecting block 107 is fixedly provided on the lower end surface of the main body 101, a connecting port 108 is opened on one side of the connecting block 107, a sealing rubber ring 102 is fixedly provided on the upper end of the outer surface of the main body 101, a threaded groove 105 is opened on the lower end of the outer surface of the main body 101, a clamping block 103 is slidably provided on the upper end surface of the main body 101, and a needle valve 104 is slidably provided on the upper end surface of the clamping block 103.

[0036] When in use, a connecting block 107 is fixed to the lower end face of the main body 101, and a connecting port 108 opened on one side of the connecting block 107 can be used to place fixing screws and other devices inside for connection, so that the entire device can be fixed to other devices. The sealing rubber ring 102 at the upper end of the main body 101 can keep the cylinder module 1 stable when inserted into the heat dissipation module 2, and the threaded groove 105 opened on the outer surface of the main body 101 can enable the cylinder module 1 and the heat dissipation module 2 to be threadedly connected. The clamping block 103 can be clamped inside the through hole opened at the upper end of the heat dissipation module 2, and the needle valve 104 is connected to the injection port, and the movement of the needle valve 104 can control the opening and closing of the injection port.

[0037] Working principle: When in use, the front end of the adapter tube 3 connected to the lower end of the heat dissipation module 2 is rotatably provided with a rotating cover 4, and the rotating cover 4 can be connected to the oil inlet pipe 106 provided at the front end of the main body 101 of the cylinder module 1. The outer surface of the inner wall of the water tank 201 is wrapped with a heat pipe 207, and the upper end of the heat pipe 207 is connected to the oil inlet 206 at the upper end of the water tank 201, and the lower end is connected to the oil outlet 205 at the lower end of the water tank 201, so that hydraulic oil can flow inside the heat pipe 207. When the cylinder is in use, the heated hydraulic oil inside can be transferred to the heat pipe 207, and the heat can be transferred from the inside of the heat pipe 207 to the low-temperature liquid inside the water tank 201, so that the hydraulic oil can be cooled quickly.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot runner oil cylinder with a cooling device, comprising an oil cylinder module (1), characterized in that: The outer surface of the oil cylinder module (1) is threadedly sleeved with a heat dissipation module (2); the oil cylinder module (1) comprises a main body (101); and an oil inlet pipe (106) is fixedly arranged on the front end surface of the main body (101); The heat dissipation module (2) comprises a water storage tank (201), a heat conduction plate (204) is embedded in the inner wall of the rear end of the water storage tank (201), a heat conduction pipe (207) is wound around the inner wall of the rear end of the water storage tank (201), a threaded enclosure (209) is fixedly provided on the lower end surface of the water storage tank (201), an oil inlet (206) is fixedly provided on one side of the upper end surface of the water storage tank (201), and an oil outlet (205) is fixedly provided on one side of the lower end surface of the water storage tank (201).

2. The hot runner oil cylinder with a cooling device according to claim 1, characterized in that: The lower end surface of the heat dissipation module (2) is threadedly connected to a transfer tube (3), and a rotating cover (4) is rotatably provided on the other side of the transfer tube (3).

3. The hot runner cylinder with a cooling device according to claim 1, characterized in that: A connection block (107) is fixedly disposed on the lower end surface of the main body (101), and a connection port (108) is provided on one side of the connection block (107).

4. The hot runner oil cylinder with a cooling device according to claim 1, characterized in that: A sealing rubber ring (102) is fixedly arranged at the upper end of the outer surface of the main body (101), and a thread groove (105) is provided at the lower end of the outer surface of the main body (101).

5. The hot runner oil cylinder with a cooling device according to claim 1, characterized in that: A clamping block (103) is slidably disposed on the upper end surface of the main body (101), and a needle valve (104) is slidably disposed on the upper end surface of the clamping block (103).

6. The hot runner oil cylinder with a cooling device according to claim 1, characterized in that: A clamping enclosure (202) is fixedly provided on the upper end surface of the water storage tank (201), and a sealing gasket (203) is fixedly provided on the lower end of the inner top surface of the clamping enclosure (202).

7. The hot runner oil cylinder with a cooling device according to claim 1, characterized in that: Connecting pipes (208) are fixedly disposed on the upper and lower end surfaces of the water storage tank (201).

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