Segmented cooling and lubricating cold-drawing die device

Abstract

This utility model discloses a segmented cooling and lubrication cold drawing die device, including a base plate, a processing table fixedly connected to the base plate, a die sleeve installed on the processing table, a die core column installed in the die sleeve, a water tank fixedly installed on the upper end face of the base plate, and four cooling chambers symmetrically opened inside the die sleeve. Each cooling chamber is fixedly connected to multiple arc-shaped plates. The multiple arc-shaped plates in the same cooling chamber are arranged in an alternating manner to divide the cooling chamber into guide channels. The four cooling chambers and the water tank are connected by a cooling component. In this utility model, the arc-shaped plates divide the cooling chambers to form guide channels, which increases the residence time of the cooling water injected into the cooling chamber, thereby improving the cooling effect. At the same time, the multiple cooling chambers shorten the travel distance of the guide channels, and the cooling water flowing in the guide channels can effectively absorb heat and cool down.

Description

Technical Field

[0001] This utility model relates to the field of segmented cooling technology, specifically to a segmented cooling and lubrication device for cold drawing dies. Background Technology

[0002] A large amount of heat is generated when metal is cold-drawn in a cold-drawing die, requiring the use of cooling components to cool the water entering the process.

[0003] In existing cold-drawing die structures, a surrounding cooling assembly is typically used to cool the die. This cooling assembly has a long flow channel, with cooling water flowing in from the inlet and continuously absorbing heat from the die as it travels along the flow channel to the outlet. However, as the cooling water flows forward, its own temperature rises continuously. Because the flow channel is long, it approaches thermal saturation in the latter half, resulting in a significant decrease in cooling efficiency. This prevents effective cooling of the rear section of the die, leading to uneven temperature distribution and reduced cooling effect. Utility Model Content

[0004] This utility model addresses the technical problems existing in the prior art by providing a segmented cooling and lubrication cold drawing die device. It solves the problem that as the cooling water flows forward, its own temperature continuously rises. Due to the long flow channel, the latter half of the flow channel is close to thermal saturation, resulting in a significant decrease in cooling efficiency. This makes it impossible to form an effective cooling effect on the rear section of the die, thus causing uneven temperature distribution and weakened cooling effect.

[0005] To achieve the above objectives, this utility model provides a segmented cooling and lubrication cold drawing die device, including a base plate, a processing table fixedly connected to the base plate, a die sleeve mounted on the processing table, a die core column installed in the die sleeve, a water tank fixedly installed on the upper end face of the base plate, four cooling chambers symmetrically opened inside the die sleeve, multiple arc-shaped plates fixedly connected in each cooling chamber, the multiple arc-shaped plates in the same cooling chamber are arranged in an alternating manner to divide the cooling chamber into guide channels, the four cooling chambers and the water tank are all connected by a cooling component, a first spiral cavity is opened in the die sleeve, and a second spiral cavity is opened in the die core column.

[0006] The beneficial effects of this utility model are:

[0007] 1. The arc-shaped plate divides the cooling chamber into guide channels, which increases the residence time of the cooling water in the cooling chamber and improves the cooling effect. At the same time, the multiple cooling chambers shorten the travel distance of the guide channels, and the cooling water flowing in the guide channels can effectively absorb heat and cool down.

[0008] 2. During the flow of lubricating oil in the first and second spiral cavities, it seeps out from the first and second liquid outlet micropores respectively. The seeping lubricating oil can ensure that the surface of the mold produced by cold drawing is smooth, which facilitates demolding later.

[0009] Preferably, the inner wall of the first spiral cavity is provided with a plurality of first liquid outlet micro-holes, the upper end face of the mold sleeve is fixedly inserted with a first liquid injection tube, the lower end face of the mold sleeve is fixedly inserted with a first liquid outlet tube, and both the first liquid injection tube and the first liquid outlet tube are connected to the first spiral cavity.

[0010] Preferably, the inner wall of the second spiral cavity is provided with a plurality of second liquid outlet microholes, the upper end face of the mold core column is fixedly inserted with a second liquid injection pipe, and the lower end face of the mold core column is fixedly inserted with a second liquid outlet pipe, both of which are connected to the second spiral cavity.

[0011] Preferably, each cooling component includes a water pump, each water pump is fixedly mounted on the upper surface of the processing table, each water pump has an input end fixedly connected to a water suction pipe, the end of each water suction pipe opposite to the water pump is fixedly inserted into the side wall of the water tank, each water pump has an output end fixedly connected to a water inlet pipe, the end of each water inlet pipe opposite to the water pump is fixedly inserted into the upper surface of the mold and communicates with the cooling cavity, and four water outlet pipes are symmetrically fixedly inserted into the lower surface of the mold, the upper end of each water outlet pipe is connected to the cooling cavity, and the lower end of each water outlet pipe is fixedly inserted into the upper surface of the water tank.

[0012] Preferably, a refrigeration assembly is provided on the base plate. The refrigeration assembly includes a circulating pump, a cooling tower, and a condenser fixedly installed on the base plate. The input end of the circulating pump is fixedly connected to a No. 1 water pipe. The end of the No. 1 water pipe opposite to the circulating pump is fixedly inserted into the side wall of the water tank. The circulating pump and the cooling tower are connected through a No. 2 water pipe. The cooling tower and the condenser are connected through a No. 3 water pipe. The end of the condenser opposite to the No. 3 water pipe is fixedly connected to a No. 4 water pipe. The end of the No. 4 water pipe opposite to the condenser is fixedly inserted into the side wall of the water tank.

[0013] Preferably, a water inlet pipe and a drain pipe are fixedly inserted into the side wall of the water tank, and a switch valve is provided on the drain pipe.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. The arc-shaped plate divides the cooling chamber into guide channels, which increases the residence time of the cooling water in the cooling chamber and improves the cooling effect. At the same time, the multiple cooling chambers shorten the travel distance of the guide channels, and the cooling water flowing in the guide channels can effectively absorb heat and cool down.

[0016] 2. During the flow of lubricating oil in the first and second spiral cavities, it seeps out from the first and second liquid outlet micropores respectively. The seeping lubricating oil can ensure that the surface of the mold produced by cold drawing is smooth, which facilitates demolding later. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the mold sleeve and mold core column in this utility model;

[0019] Figure 3 This is a top sectional view of the mold sleeve and mold core column in this utility model;

[0020] Figure 4 This is a cross-sectional view of the cooling cavity of this utility model.

[0021] The meanings of the labels in the diagram are as follows:

[0022] 1. Base plate; 2. Machining table; 3. Mold sleeve; 301. Mold core column; 4. Cooling chamber; 401. Arc plate; 5. First spiral chamber; 501. First liquid outlet micro-hole; 502. First liquid injection pipe; 503. First liquid outlet pipe; 6. Second spiral chamber; 601. Second liquid outlet micro-hole; 602. Second liquid injection pipe; 603. Second liquid outlet pipe; 7. Cooling assembly; 701. Water pump; 702. Water suction pipe; 703. Water inlet pipe; 704. Water outlet pipe; 8. Refrigeration assembly; 801. Circulation pump; 802. Cooling tower; 803. Condenser; 804. Water pipe No. 1; 805. Water pipe No. 2; 806. Water pipe No. 3; 807. Water pipe No. 4; 9. Water tank; 901. Water filling pipe; 902. Drainage pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4This embodiment provides a segmented cooling and lubrication cold drawing die device, including a base plate 1, a processing table 2 fixedly connected to the base plate 1, a die sleeve 3 installed on the processing table 2, a die core column 301 installed in the die sleeve 3, and a water tank 9 fixedly installed on the upper end face of the base plate 1. Considering that the flow channel is long and the latter half of the flow channel is close to the thermal saturation state, the cooling efficiency is significantly reduced and it is impossible to form an effective cooling effect on the rear section of the die, four cooling chambers 4 are symmetrically opened in the die sleeve 3. Multiple arc plates 401 are fixedly connected in each cooling chamber 4. The multiple arc plates 401 in the same cooling chamber 4 are arranged in an alternating manner to divide the cooling chamber 4 into a guide channel. The four cooling chambers 4 and the water tank 9 are connected by a cooling component 7. A first spiral cavity 5 is opened in the die sleeve 3, and a second spiral cavity 6 is opened in the die core column 301.

[0025] In summary, the improvement of this embodiment lies in:

[0026] The arc-shaped plate 401 divides the cooling chamber 4 into a guide channel, which increases the residence time of the cooling water injected into the cooling chamber 4 and improves the cooling effect. At the same time, the multiple cooling chambers 4 are set up, which shortens the travel of the guide channel for cooling. The cooling water flowing in the guide channel can effectively absorb heat and cool down.

[0027] Based on the above, other structures also need to be disclosed in detail, such as:

[0028] Please see Figure 2 and Figure 3 Considering the later demolding of the mold, multiple first liquid outlet micro-holes 501 are opened on the inner wall of the first spiral cavity 5. A first liquid injection pipe 502 is fixedly inserted through the upper end face of the mold sleeve 3, and a first liquid outlet pipe 503 is fixedly inserted through the lower end face of the mold sleeve 3. Both the first liquid injection pipe 502 and the first liquid outlet pipe 503 are connected to the first spiral cavity 5. Multiple second liquid outlet micro-holes 601 are opened on the inner wall of the second spiral cavity 6. A second liquid injection pipe 602 is fixedly inserted through the upper end face of the mold core column 301, and a second liquid outlet pipe 603 is fixedly inserted through the lower end face of the mold core column 301. Both the second liquid injection pipe 602 and the second liquid outlet pipe 603 are connected to the second spiral cavity 6. During the flow of lubricating oil in the first spiral cavity 5 and the second spiral cavity 6, it seeps out from the first liquid outlet micro-holes 501 and the second liquid outlet micro-holes 601 respectively. The seeping lubricating oil can ensure that the surface of the mold produced by cold drawing is smooth, which is convenient for later demolding.

[0029] Please see Figure 1Considering the need to add cooling water from water tank 9 to cooling chamber 4, each cooling component 7 includes a water pump 701. Each water pump 701 is fixedly installed on the upper surface of the processing table 2. The input end of each water pump 701 is fixedly connected to a water suction pipe 702. The end of each water suction pipe 702 away from the water pump 701 is fixedly inserted into the side wall of water tank 9. The output end of each water pump 701 is fixedly connected to a water inlet pipe 703. The end of each water inlet pipe 703 away from the water pump 701 is fixedly inserted into the upper surface of mold sleeve 3 and communicates with cooling chamber 4. Four water outlet pipes 704 are symmetrically inserted into the lower surface of mold sleeve 3. The upper end of each water outlet pipe 704 is connected to cooling chamber 4, and the lower end of each water outlet pipe 704 is fixedly inserted into the upper surface of water tank 9. Water pump 701 introduces cooling water from water tank 9 into cooling chamber 4 through water suction pipe 702 and water inlet pipe 703.

[0030] Please see Figure 1 To ensure the cooling effect of the cooling water, a refrigeration assembly 8 is installed on the base plate 1. The refrigeration assembly 8 includes a circulating pump 801, a cooling tower 802, and a condenser 803, which are fixedly installed on the base plate 1. The input end of the circulating pump 801 is fixedly connected to a No. 1 water pipe 804. The end of the No. 1 water pipe 804 away from the circulating pump 801 is fixedly inserted into the side wall of the water tank 9. The circulating pump 801 and the cooling tower 802 are connected through a No. 2 water pipe 805. The cooling tower 802 and the condenser 803 are connected through a No. 3 water pipe 806. The end of the condenser 803 away from the No. 3 water pipe 806 is fixedly connected to a No. 4 water pipe 807. The end of the No. 4 water pipe 807 away from the condenser 803 is fixedly inserted into the side wall of the water tank 9. The refrigeration assembly 8 cools the cooling water, keeping it at a low temperature and ensuring the cooling effect.

[0031] Please see Figure 1 A water inlet pipe 901 and a drain pipe 902 are fixedly inserted into the side wall of the water tank 9. A switch valve is installed on the drain pipe 902. Cooling water is added through the water inlet pipe 901 and discharged from the drain pipe 902 when the switch valve is opened.

[0032] In summary, the working principle of this solution is as follows:

[0033] Metal material is placed into mold sleeve 3. During the cold drawing process, a large amount of heat is generated. Water pump 701 is started. Water pump 701 introduces cooling water from water tank 9 into cooling chamber 4 through water suction pipe 702 and water inlet pipe 703. Arc plate 401 divides cooling chamber 4 to form guide groove, which increases the residence time of cooling water in cooling chamber 4 and improves the cooling effect. At the same time, multiple cooling chambers 4 are set up to shorten the travel of the guide groove. The cooling water can effectively absorb heat and cool down by flowing in the guide groove. Lubricating oil is added to the first spiral chamber 5 and the second spiral chamber 6 through the first injection pipe 502 and the second injection pipe 602. During the flow of the lubricating oil in the first spiral chamber 5 and the second spiral chamber 6, it seeps out from the first liquid outlet microhole 501 and the second liquid outlet microhole 601 respectively. The seeping lubricating oil can ensure that the surface of the mold after cold drawing is smooth, which facilitates demolding later.

[0034] It is worth noting that the entire device is controlled by a controller. Since the controller is a common device and belongs to existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A segmented cooling and lubrication cold drawing die device, comprising a base plate (1), a processing table (2) fixedly connected to the base plate (1), a die sleeve (3) installed on the processing table (2), a die core column (301) installed in the die sleeve (3), and a water tank (9) fixedly installed on the upper end face of the base plate (1), characterized in that: The mold sleeve (3) has four symmetrically arranged cooling chambers (4). Each cooling chamber (4) is fixedly connected with multiple arc-shaped plates (401). The multiple arc-shaped plates (401) in the same cooling chamber (4) are arranged in an alternating manner to divide the cooling chamber (4) into guide channels. The four cooling chambers (4) and the water tank (9) are connected by a cooling component (7). The mold sleeve (3) has a first spiral cavity (5), and the mold core column (301) has a second spiral cavity (6).

2. The segmented cooling and lubrication cold drawing die device according to claim 1, characterized in that: The inner wall of the first spiral cavity (5) is provided with a plurality of first liquid outlet microholes (501). The upper end face of the mold sleeve (3) is fixedly inserted with a first liquid injection tube (502) and the lower end face of the mold sleeve (3) is fixedly inserted with a first liquid outlet tube (503). The first liquid injection tube (502) and the first liquid outlet tube (503) are both connected to the first spiral cavity (5).

3. The segmented cooling and lubrication cold drawing die device according to claim 1, characterized in that: The inner wall of the second spiral cavity (6) is provided with a plurality of second liquid outlet microholes (601). The upper end face of the mold core column (301) is fixedly inserted with a second liquid injection pipe (602), and the lower end face of the mold core column (301) is fixedly inserted with a second liquid outlet pipe (603). The second liquid injection pipe (602) and the second liquid outlet pipe (603) are both connected to the second spiral cavity (6).

4. The segmented cooling and lubrication cold drawing die device according to claim 1, characterized in that: Each of the cooling components (7) includes a water pump (701), each of the water pumps (701) is fixedly installed on the upper surface of the processing table (2), the input end of each of the water pumps (701) is fixedly connected to a water pump pipe (702), the end of each water pump pipe (702) away from the water pump (701) is fixedly inserted into the side wall of the water tank (9), the output end of each of the water pumps (701) is fixedly connected to a water inlet pipe (703), the end of each water inlet pipe (703) away from the water pump (701) is fixedly inserted into the upper surface of the mold sleeve (3) and communicates with the cooling cavity (4), the lower surface of the mold sleeve (3) is symmetrically fixedly inserted with four water outlet pipes (704), the upper end of each water outlet pipe (704) is connected to the cooling cavity (4), and the lower end of each water outlet pipe (704) is fixedly inserted into the upper surface of the water tank (9).

5. The segmented cooling and lubrication cold drawing die device according to claim 1, characterized in that: A refrigeration assembly (8) is provided on the base plate (1). The refrigeration assembly (8) includes a circulation pump (801), a cooling tower (802), and a condenser (803) fixedly installed on the base plate (1). The input end of the circulation pump (801) is fixedly connected to a No. 1 water pipe (804). The end of the No. 1 water pipe (804) away from the circulation pump (801) is fixedly inserted into the side wall of the water tank (9). The circulation pump (801) and the cooling tower (802) are connected through a No. 2 water pipe (805). The cooling tower (802) and the condenser (803) are connected through a No. 3 water pipe (806). The end of the condenser (803) away from the No. 3 water pipe (806) is fixedly connected to a No. 4 water pipe (807). The end of the No. 4 water pipe (807) away from the condenser (803) is fixedly inserted into the side wall of the water tank (9).

6. The segmented cooling and lubrication cold drawing die device according to claim 1, characterized in that: A water inlet pipe (901) and a drain pipe (902) are fixedly inserted into the side wall of the water tank (9), and a switch valve is provided on the drain pipe (902).

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