Die cooling device for powder metallurgy injection molding

Abstract

The utility model relates to the technical field of mold cooling devices, and discloses a mold cooling device for powder metallurgy injection molding, which comprises a cooling box, one side of the cooling box is fixedly connected with a first mounting plate, the inner side of the first mounting plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first rolling shaft, and the output end of the first rolling shaft is fixedly connected with a second rolling shaft. The outer side of the first rolling shaft is movably sleeved with a first mounting sleeve, the outer side of the first mounting sleeve is fixedly connected with a second mounting plate, and the inner side of the second mounting plate is fixedly connected with a cooling box. According to the mold cooling device for powder metallurgy injection molding, a mold can be conveniently placed in and taken out of the device, the device can be conveniently used, water vapor generated during cooling can be conveniently treated, the mold is protected, cooling liquid can be conveniently sprayed to cool the mold, and the cooling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold cooling devices, in particular to a mold cooling device for powder metallurgy injection molding. Background Art

[0002] Powder metallurgy injection molding is a process for manufacturing parts in which metal powder is compressed into a shape in a mold and then sintered through high temperature and pressure to form the final part. In this process, mold cooling is critical because it can help control the cooling rate of the part, affecting its final physical and mechanical properties.

[0003] The cooling methods of the mold include air cooling and coolant cooling. When coolant cooling is performed, the mold generally needs to be manually placed in the device, the device is cooled, and then the mold is manually taken out, which is inconvenient to use. When coolant cooling is performed, the surface temperature of the mold is high, and water vapor is generated by coolant cooling. The water vapor is easy to corrode the mold and cause damage to the mold. Therefore, a mold cooling device for powder metallurgy injection molding is proposed. Utility Model Content

[0004] The main purpose of the utility model is to provide a mold cooling device for powder metallurgy injection molding, which solves the problem that when cooling with coolant, the mold generally needs to be manually placed in the device, then the device is cooled, and then the mold is manually taken out, which is inconvenient to use. When cooling with coolant, the surface temperature of the mold is high, and cooling with coolant will generate water vapor, which is easy to corrode the mold and cause damage to the mold.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A mold cooling device for powder metallurgy injection molding, comprising a cooling box, a first mounting plate fixedly connected to one side of the cooling box, a first motor fixedly connected to the inner side of the first mounting plate, a first roller fixedly connected to the output end of the first motor, a first mounting sleeve movably sleeved on the outer side of the first roller, a second mounting plate fixedly connected to the outer side of the first mounting sleeve, a cooling box fixedly connected to the inner side of the second mounting plate, a conveyor belt wrapped around the surface of the first roller, a fixing box fixedly connected to the upper side of the conveyor belt, a fixing rod fixedly connected to the inner side of the fixing box, a push block movably sleeved on the circumferential outer surface of the fixing rod, a push rod fixedly connected to one side below the push block, a movable groove is provided on one side of the fixing box, the push rod passes through the movable groove, both sides of the push block are abutted against transmission plates, both sides of the fixing box are provided with limiting grooves, both sides of the two transmission plates pass through two limiting grooves respectively, a clamping plate is fixedly connected to the upper side of the two transmission plates, and two springs are fixedly connected equidistantly between the two transmission plates.

[0007] Furthermore, a second roller is wrapped around the inner side of the conveyor belt, and second mounting sleeves are movably sleeved on both ends of the second roller. Third mounting plates are fixedly connected to the outer sides of the two second mounting sleeves, and the two third mounting plates are fixedly connected to the cooling box. Connecting grooves are provided on both sides of the cooling box, and the conveyor belt passes through the two connecting grooves. Water retaining curtains are fixedly connected to the upper outer sides of the two connecting grooves on both sides of the cooling box.

[0008] Furthermore, a first installation box is fixedly connected to the top of the cooling box, a first installation groove is opened on one side of the first installation box, a storage box passes through the first installation groove, a plurality of air holes are opened equidistantly below the storage box, two first support plates are equidistantly abutted below the storage box, the sides of the two first support plates are fixedly connected to the inner wall of the first installation box, a desiccant is placed in the storage box, a second installation box is fixedly connected to the top of the first installation box, a second support plate is fixedly connected to the inner wall of the second installation box, an exhaust fan is fixedly connected to the bottom of the second support plate, two ventilation pipes are equidistantly fixedly connected to the top of the second installation box, and one end of the two ventilation pipes is respectively fixedly connected to the two sides of the cooling box.

[0009] Furthermore, a filter plate is fixedly connected to the interior of the cooling box below the ventilation pipe, a second motor is fixedly connected to the inner bottom of the cooling box, a transmission rod is fixedly connected to the output end of the second motor, and a plurality of stirring rods are fixedly connected at equal intervals on the circumferential outer surface of the transmission rod.

[0010] Furthermore, a water pump is fixedly connected to the inner bottom of the cooling box, a connecting water pipe is fixedly connected to the upper water outlet end of the water pump, a through hole is opened on one side of the filter plate, the connecting water pipe passes through the through hole, one side of the connecting water pipe is fixedly connected to a first water tank, and the upper part of the first water tank is fixedly connected to the upper inner wall of the cooling box.

[0011] Furthermore, a second water tank is movably connected to the lower part of the cooling box, a first gear is fixedly connected to the outer side of the second water tank, a third motor is fixedly connected to the upper part of the interior of the cooling box, a second gear is fixedly connected to the output end of the third motor, one side tooth of the second gear is connected to the first gear, two water spray pipes are fixedly connected to the lower part of the second water tank at equal distances, and a control panel is fixedly connected to one side of the cooling box.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model facilitates the placement of the mold into the taking-out device and the use of the device through the setting of the clamping plate. The push rod is rotated, and the push rod drives the push block to rotate. The push block pushes the two transmission plates to move to both sides. At the same time, the two transmission plates drive the spring to stretch, and the two transmission plates drive the two clamping plates to move to both sides. The mold is placed between the two clamping plates above the fixed box, and the push rod is released. The spring contracts and drives the two transmission plates to move closer. The two transmission plates drive the two clamping plates to move closer to clamp the mold. The first motor is started through the control panel, and the first motor drives the first roller to rotate. The first roller drives the mold through the conveyor belt and the fixed box to pass through the water retaining curtain and the connecting groove into the device for cooling. After cooling is completed, the mold is controlled by the control panel to pass through another connecting groove to leave the device. Through such a setting, it is convenient to put the mold into the taking-out device and the use of the device is convenient.

[0014] 2. The utility model facilitates the treatment of water vapor generated during cooling and protects the mold through the provision of an exhaust fan. When water vapor is generated, the exhaust fan is started through the control panel, and the exhaust fan generates an airflow to draw the water vapor into the storage box through the air holes. The desiccant in the storage box absorbs the water vapor, and at the same time, the airflow generated by the exhaust fan enters the cooling box through the ventilation pipe to circulate, and the water vapor in the cooling box is continuously sent into the storage box for treatment. Through such a provision, it is convenient to treat the water vapor generated during cooling and protect the mold.

[0015] 3. The utility model facilitates the cooling of the mold by spraying coolant through the arrangement of the water spray pipe, thereby improving the cooling effect; the second motor is started through the control panel, and the second motor drives the stirring rod to rotate through the transmission rod to stir the coolant at the bottom of the cooling box to cool the coolant; the water pump is started through the control panel, and the water pump draws the cooled coolant into the first water tank through the connecting water pipe; the coolant in the first water tank enters the water spray pipe through the second water tank and is sprayed out; the third motor is started through the control panel, and the third motor drives the first gear to rotate through the second gear, and the first gear drives the water spray pipe to rotate through the second water tank; during the rotation of the water spray pipe, the coolant is sprayed on the mold surface in all directions; such an arrangement facilitates the cooling of the mold by spraying coolant, thereby improving the cooling effect.

[0016] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a mold cooling device for powder metallurgy injection molding from a first angle according to the utility model.

[0018] Figure 2 This is a schematic diagram of the overall structure of a mold cooling device for powder metallurgy injection molding from a second angle according to the utility model.

[0019] Figure 3 The utility model is a partial structural schematic diagram of a fixing box of a mold cooling device for powder metallurgy injection molding.

[0020] Figure 4 The utility model is a partial structural schematic diagram of a push block of a mold cooling device for powder metallurgy injection molding.

[0021] Figure 5 The utility model is a partial structural schematic diagram of an exhaust fan of a mold cooling device for powder metallurgy injection molding.

[0022] Figure 6 The utility model is a partial structural schematic diagram of a filter plate of a mold cooling device for powder metallurgy injection molding.

[0023] Figure 7 The utility model is a partial structural schematic diagram of a water pump of a mold cooling device for powder metallurgy injection molding.

[0024] Figure 8 The utility model is a partial structural schematic diagram of a second water tank of a mold cooling device for powder metallurgy injection molding.

[0025] In the figure: 1, cooling box; 2, first motor; 3, first roller; 4, conveyor belt; 5, second roller; 6, fixing box; 7, push rod; 8, push block; 9, transmission plate; 10, spring; 11, card plate; 12, water retaining curtain; 13, storage box; 14, desiccant; 15, exhaust fan; 16, ventilation pipe; 17, second motor; 18, stirring rod; 19, filter plate; 20, water pump; 21, connecting water pipe; 22, first water tank; 23, second water tank; 24, water spray pipe; 25, first gear; 26, second gear; 27, third motor; 28, control panel. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figure 1-Figure 4 As shown, a mold cooling device for powder metallurgy injection molding comprises a cooling box 1, characterized in that: a first mounting plate is fixedly connected to one side of the cooling box 1, a first motor 2 is fixedly connected to the inner side of the first mounting plate, a first roller 3 is fixedly connected to the output end of the first motor 2, a first mounting sleeve is movably sleeved on the outer side of the first roller 3, a second mounting plate is fixedly connected to the outer side of the first mounting sleeve, the inner side of the second mounting plate is fixedly connected to the cooling box 1, a conveyor belt 4 is wound around the surface of the first roller 3, a fixed box 6 is fixedly connected to the top of the conveyor belt 4, a fixed rod is fixedly connected to the inside of the fixed box 6, a push block 8 is movably sleeved on the circumferential outer surface of the fixed rod, a push rod 7 is fixedly connected to one side below the push block 8, a movable groove is provided on one side of the fixed box 6, the push rod 7 passes through the movable groove, both sides of the push block 8 are abutted against transmission plates 9, both sides of the fixed box 6 are provided with limiting grooves, the two sides of the two transmission plates 9 pass through two limiting grooves respectively, and the two transmission plates 9 are fixedly connected to the inner side of the second transmission plate 1. A card plate 11 is fixedly connected to the top, and two springs 10 are equidistantly fixedly connected between the two transmission plates 9. Through such an arrangement, the push rod 7 is rotated, and the push rod 7 drives the push block 8 to rotate, and the push block 8 pushes the two transmission plates 9 to move to both sides. At the same time, the two transmission plates 9 drive the spring 10 to stretch, and the two transmission plates 9 drive the two card plates 11 to move to both sides, and the mold is placed between the two card plates 11 above the fixed box 6. The push rod 7 is released, and the spring 10 contracts and drives the two transmission plates 9 to approach. The two transmission plates 9 drive the two card plates 11 to approach and clamp the mold. The first motor 2 is started through the control panel 28, and the first motor 2 drives the first roller 3 to rotate. The first roller 3 drives the mold through the conveyor belt 4 and the fixed box 6 through the water retaining curtain 12 and the connecting groove to enter the device for cooling. After cooling is completed, the mold is controlled by the control panel 28 to pass through another connecting groove to leave the device. Through such an arrangement, it is convenient to put the mold into the removal device, which facilitates the use of the device.

[0028] like Figure 1-Figure 2As shown, a second roller 5 is wound around the inner side of the conveyor belt 4, and second mounting sleeves are movably sleeved on both ends of the second roller 5. Third mounting plates are fixedly connected to the outer sides of the two second mounting sleeves, and the two third mounting plates are fixedly connected to the cooling box 1. Connecting grooves are provided on both sides of the cooling box 1, and the conveyor belt 4 passes through the two connecting grooves. Water retaining curtains 12 are fixedly connected to the upper outer sides of the two connecting grooves on both sides of the cooling box 1. Through such an arrangement, the water retaining curtain 12 can prevent the coolant from splashing out of the cooling device when the coolant is sprayed.

[0029] like Figure 1-Figure 6 As shown, a first installation box is fixedly connected to the top of the cooling box 1, a first installation slot is provided on one side of the first installation box, a material storage box 13 passes through the first installation slot, a plurality of air holes are equidistantly provided below the material storage box 13, two first support plates are equidistantly abutted below the material storage box 13, the sides of the two first support plates are fixedly connected to the inner wall of the first installation box, a desiccant 14 is placed in the material storage box 13, a second installation box is fixedly connected to the top of the first installation box, a second support plate is fixedly connected to the inner wall of the second installation box, an exhaust fan 15 is fixedly connected to the bottom of the second support plate, two ventilation pipes 16 are equidistantly fixedly connected to the top of the second installation box, and the two ventilation pipes 16 are equidistantly provided to the top of the second installation box. One end of 6 is fixedly connected to the two sides of the cooling box 1, respectively. Through such an arrangement, when water vapor is generated, the exhaust fan 15 is started through the control panel 28, and the exhaust fan 15 generates an airflow to extract the water vapor and enter the storage box 13 through the air vents. The desiccant 14 in the storage box 13 absorbs the water vapor. At the same time, the airflow generated by the exhaust fan 15 enters the cooling box 1 through the ventilation pipe 16 to generate a cycle, and the water vapor in the cooling box 1 is continuously sent to the storage box 13 for treatment. Through such an arrangement, it is convenient to handle the water vapor generated during cooling and protect the mold. The storage box 13 can be taken out through the first rotating groove, and the desiccant 14 in the storage box 13 can be replaced.

[0030] like Figure 1-Figure 7 As shown, a filter plate 19 is fixedly connected to the interior of the cooling box 1 below the ventilation pipe 16, a second motor 17 is fixedly connected to the bottom of the interior of the cooling box 1, a transmission rod is fixedly connected to the output end of the second motor 17, and a plurality of stirring rods 18 are fixedly connected to the circumferential outer surface of the transmission rod at equal intervals. Through such an arrangement, the second motor 17 is started through the control panel 28, and the second motor 17 drives the stirring rod 18 to rotate through the transmission rod to stir the coolant at the bottom of the cooling box 1, thereby cooling the coolant.

[0031] like Figure 1-Figure 8As shown, a water pump 20 is fixedly connected to the inner bottom of the cooling box 1, a connecting water pipe 21 is fixedly connected to the upper water outlet end of the water pump 20, a through hole is opened on one side of the filter plate 19, the connecting water pipe 21 passes through the through hole, a first water tank 22 is fixedly connected to one side of the connecting water pipe 21, and the upper part of the first water tank 22 is fixedly connected to the upper inner wall of the cooling box 1. Through such an arrangement, the sprayed coolant cools the mold and then falls under the action of gravity, the impurities in the coolant are filtered by the filter plate 19, and the coolant falls to the bottom of the cooling box 1 for cooling.

[0032] like Figure 1-Figure 8 As shown, a second water tank 23 is movably sleeved at the bottom of the cooling box 1, a first gear 25 is fixedly connected to the outside of the second water tank 23, a third motor 27 is fixedly connected to the top of the interior of the cooling box 1, a second gear 26 is fixedly connected to the output end of the third motor 27, a side tooth of the second gear 26 is connected to the first gear 25, two water spray pipes 24 are fixedly connected at equal intervals at the bottom of the second water tank 23, and a control panel 28 is fixedly connected to one side of the cooling box 1. Through such an arrangement, the second motor 17 is started through the control panel 28, and the second motor 17 drives the stirring rod 18 to rotate through the transmission rod to stir the coolant at the bottom of the cooling box 1. , so that the coolant is cooled, the water pump 20 is started through the control panel 28, and the water pump 20 draws the cooled coolant into the first water tank 22 through the connecting water pipe 21. The coolant in the first water tank 22 enters the water spray pipe 24 through the second water tank 23 and is sprayed out. The third motor 27 is started through the control panel 28, and the third motor 27 drives the first gear 25 to rotate through the second gear 26. The first gear 25 drives the water spray pipe 24 to rotate through the second water tank 23. During the rotation of the water spray pipe 24, the coolant is sprayed on the mold surface in all directions. Through such an arrangement, it is convenient to spray coolant to cool the mold, and the cooling effect is improved.

[0033] It should be noted that when in use, the cooling box 1 is placed on a horizontal plane, the push rod 7 is rotated, the push rod 7 drives the push block 8 to rotate, the push block 8 drives the two transmission plates 9 to move to both sides, and at the same time, the two transmission plates 9 drive the spring 10 to stretch, and the two transmission plates 9 drive the two clamping plates 11 to move to both sides, and the mold is placed between the two clamping plates 11 above the fixed box 6, the push rod 7 is released, the spring 10 contracts and drives the two transmission plates 9 to approach, and the two transmission plates 9 drive the two clamping plates 11 to approach to clamp the mold, and the first motor 2 is started through the control panel 28, and the first motor 2 drives the first roller 3 to rotate, and the first roller 3 drives the mold through the conveyor belt 4 and the fixed box 6 through the water retaining curtain 12 and the connecting groove to enter the device for cooling, and after cooling is completed, the mold is controlled by the control panel 28 to pass through another connecting groove to leave the device;

[0034] When cooling is performed, the second motor 17 is started through the control panel 28. The second motor 17 drives the stirring rod 18 to rotate through the transmission rod to stir the coolant at the bottom of the cooling box 1 to cool the coolant. The water pump 20 is started through the control panel 28. The water pump 20 extracts the cooled coolant and enters the first water tank 22 through the connecting water pipe 21. The coolant in the first water tank 22 enters the water spray pipe 24 through the second water tank 23 and is sprayed out. The third motor 27 is started through the control panel 28. The third motor 27 drives the first gear 25 to rotate through the second gear 26. The first gear 25 drives the water spray pipe 24 to rotate through the second water tank 23. During the rotation of the water spray pipe 24, the mold surface is sprayed with coolant in all directions. After the sprayed coolant cools the mold, it falls under the action of gravity. The impurities in the coolant are filtered by the filter plate 19, and the coolant falls to the bottom of the cooling box 1 to cool down.

[0035] When water vapor is generated, the exhaust fan 15 is started through the control panel 28. The exhaust fan 15 generates an airflow to extract the water vapor through the air holes into the storage box 13. The desiccant 14 in the storage box 13 absorbs the water vapor. At the same time, the airflow generated by the exhaust fan 15 enters the cooling box 1 through the ventilation pipe 16 to circulate, continuously sending the water vapor in the cooling box 1 into the storage box 13 for treatment. The storage box 13 can be pulled out through the first rotating groove, and the desiccant 14 in the storage box 13 can be replaced.

[0036] The utility model provides a mold cooling device for powder metallurgy injection molding, which solves the problem that when cooling with coolant, the mold generally needs to be manually placed in the device, then the device is cooled, and then the mold is manually taken out, which is inconvenient to use. When cooling with coolant, the surface temperature of the mold is high, and cooling with coolant will generate water vapor, which is easy to corrode the mold and cause damage to the mold. The utility model is more practical.

[0037] 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. A mold cooling device for powder metallurgy injection molding, comprising a cooling box (1), characterized in that: A first mounting plate is fixedly connected to one side of the cooling box (1), a first motor (2) is fixedly connected to the inner side of the first mounting plate, a first roller (3) is fixedly connected to the output end of the first motor (2), a first mounting sleeve is movably sleeved on the outer side of the first roller (3), a second mounting plate is fixedly connected to the outer side of the first mounting sleeve, the inner side of the second mounting plate is fixedly connected to the cooling box (1), a conveyor belt (4) is wound around the surface of the first roller (3), a fixing box (6) is fixedly connected to the upper side of the conveyor belt (4), and the interior of the fixing box (6) is fixedly connected to A fixing rod is provided, a push block (8) is movably sleeved on the circumferential outer surface of the fixing rod, a push rod (7) is fixedly connected to one side below the push block (8), a movable groove is provided on one side of the fixing box (6), the push rod (7) passes through the movable groove, both sides of the push block (8) are in contact with transmission plates (9), both sides of the fixing box (6) are provided with limiting grooves, both sides of the two transmission plates (9) pass through two limiting grooves respectively, a clamping plate (11) is fixedly connected to the top of the two transmission plates (9), and two springs (10) are fixedly connected equidistantly between the two transmission plates (9).

2. A mold cooling device for powder metallurgy injection molding according to claim 1, characterized in that: A second roller (5) is wound around the inner side of the conveyor belt (4), and second mounting sleeves are movably sleeved at both ends of the second roller (5), and third mounting plates are fixedly connected to the outer sides of the two second mounting sleeves, and the two third mounting plates are fixedly connected to the cooling box (1), and connecting grooves are provided on both sides of the cooling box (1), and the conveyor belt (4) passes through the two connecting grooves. Water retaining curtains (12) are fixedly connected to the upper outer sides of the two connecting grooves on both sides of the cooling box (1).

3. A mold cooling device for powder metallurgy injection molding according to claim 2, characterized in that: A first installation box is fixedly connected to the top of the cooling box (1), a first installation slot is provided on one side of the first installation box, a material storage box (13) passes through the first installation slot, a plurality of air holes are equidistantly provided below the material storage box (13), two first support plates are equidistantly abutted below the material storage box (13), the sides of the two first support plates are fixedly connected to the inner wall of the first installation box, a desiccant (14) is placed in the material storage box (13), a second installation box is fixedly connected to the top of the first installation box, a second support plate is fixedly connected to the inner wall of the second installation box, an exhaust fan (15) is fixedly connected to the bottom of the second support plate, two ventilation pipes (16) are equidistantly fixedly connected to the top of the second installation box, one end of the two ventilation pipes (16) is respectively fixedly connected to the two sides of the cooling box (1).

4. A mold cooling device for powder metallurgy injection molding according to claim 3, characterized in that: A filter plate (19) is fixedly connected to the interior of the cooling box (1) below the ventilation pipe (16); a second motor (17) is fixedly connected to the interior bottom of the cooling box (1); a transmission rod is fixedly connected to the output end of the second motor (17); and a plurality of stirring rods (18) are fixedly connected to the circumferential outer surface of the transmission rod at equal intervals.

5. A mold cooling device for powder metallurgy injection molding according to claim 4, characterized in that: A water pump (20) is fixedly connected to the inner bottom of the cooling box (1), and a connecting water pipe (21) is fixedly connected to the upper water outlet end of the water pump (20). A through hole is provided on one side of the filter plate (19), and the connecting water pipe (21) passes through the through hole. A first water tank (22) is fixedly connected to one side of the connecting water pipe (21), and the upper part of the first water tank (22) is fixedly connected to the upper inner wall of the cooling box (1).

6. A mold cooling device for powder metallurgy injection molding according to claim 5, characterized in that: A second water tank (23) is movably sleeved below the cooling box (1), a first gear (25) is fixedly connected to the outside of the second water tank (23), a third motor (27) is fixedly connected to the top of the interior of the cooling box (1), a second gear (26) is fixedly connected to the output end of the third motor (27), one side of the second gear (26) is connected to the first gear (25), two water spray pipes (24) are fixedly connected at equal distances below the second water tank (23), and a control panel (28) is fixedly connected to one side of the cooling box (1).

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