Quick-cooling type injection mold for cooling fan production

Abstract

The utility model relates to the technical field of molds, in particular to a quick-cooling injection mold for cooling fan production, which comprises a support, a hydraulic cylinder fixed at the top end of the support, a support fixed at the bottom end of a piston rod of the hydraulic cylinder, an upper mold fixed on the inner top wall of the support, a support plate fixed at the bottom end of the support, and a lower mold fixed at the top end of the support plate. A cooling cavity is formed in the lower die, a cooling liquid box is arranged on one side of the supporting plate, a water pump is fixed to the top end of the cooling liquid box, a bent pipe is fixed to a water inlet pipe of the water pump, a first valve is fixed to the bent pipe, a guide pipe is fixed to the end, away from the bent pipe, of the first valve, and a branch pipe is fixed to a water drainage pipe of the water pump and extends into the cooling cavity. A connecting pipe is fixed to the side, away from the branch pipe, of the lower die, a groove body is arranged below the connecting pipe, an air cooler is arranged on one side of the groove body, a cold air pipe is fixed to an exhaust pipe of the air cooler, and two exhaust hoods are fixed to the cold air pipe. Cooling liquid enters the cooling cavity, cold air is exhausted through the exhaust hood, and product forming is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a quick-cooling injection mold for producing a heat dissipation fan. Background Art

[0002] A mold is a tool that uses a specific shape to shape a blank (solid or liquid) into a product with a certain shape and size under the action of an external force. Molds are widely used in forging, stamping, powder metallurgy pressing, pressure casting, and compression molding and injection molding of engineering plastics, rubber, ceramics and other products. In the production process of cooling fans, injection molds are required to inject the cooling fan shell. Injection molds are mostly cooled naturally, and the product is demolded and taken out after it is formed. The natural cooling method reduces the molding speed of the product. Therefore, a quick-cooling injection mold for cooling fan production is proposed to increase the cooling and molding speed. Utility Model Content

[0003] In view of the problems in the prior art, the utility model provides a quick-cooling injection mold for producing a heat dissipation fan.

[0004] The technical solution adopted by the utility model to solve its technical problems is a rapid cooling injection mold for producing a cooling fan, comprising a bracket, a hydraulic cylinder is fixed to the top of the bracket, a support is fixed to the bottom end of the piston rod of the hydraulic cylinder, an upper mold is fixed to the inner top wall of the support, a support plate is fixed to the bottom end of the bracket, the bottom end of the bracket passes through the support, a lower mold is fixed to the top end of the support plate, a cooling cavity is provided in the lower mold, a cover plate is fixed to the top end of the lower mold, a base and four legs are fixed to the bottom end of the support plate, a top column is provided in the base, the top end of the top column passes through the support plate and extends into the lower mold, plug blocks and clamp blocks are provided on both sides of the top column, through grooves adapted to the plug blocks are provided on both sides of the support, and through grooves adapted to the plug blocks are provided on both sides of the top column. A slot adapted to the plug block, slots adapted to the block are provided on both sides of the support and the two plug blocks, a coolant tank is provided on one side of the support plate, a water pump is fixed on the top of the coolant tank, a bend is fixed on the water inlet pipe of the water pump, a first valve is fixed on the bend, a conduit is fixed on the end of the first valve away from the bend, the conduit extends into the coolant tank, a branch pipe is fixed on the drain pipe of the water pump, an end of the branch pipe away from the water pump extends into the cooling cavity, a connecting pipe is fixed on the side of the lower mold away from the branch pipe, a trough body is provided below the connecting pipe, a cooling fan is provided on one side of the trough body, a cold air duct is fixed on the exhaust duct of the cold air fan, two exhaust hoods are fixed on the cold air duct, one of the exhaust hoods is located on one side of the lower mold, and the other exhaust hood is located above the trough body.

[0005] By adopting the above technical scheme, the piston rod of the hydraulic cylinder drives the support to move downward, and the upper mold moves downward accordingly. The upper mold cooperates with the lower mold to realize extrusion molding of the product. The water pump draws coolant in the coolant tank, and the coolant enters the cooling chamber through the branch pipe. The coolant absorbs the temperature of the lower mold and the product in the lower mold and is discharged to the tank body through the connecting pipe. The water pump continuously supplies coolant to the lower mold. The cold air generated by the operation of the air cooler is discharged through two exhaust hoods, which is beneficial to cooling the coolant in the lower mold and the tank body, thereby improving the product molding speed. The piston rod of the hydraulic cylinder drives the support to move up a distance, pushes the two plug blocks, and the two plug blocks are inserted into the slots on both sides of the ejector column. The two card blocks are inserted into the slots on the two plug blocks. The piston rod of the hydraulic cylinder continues to drive the support to move upward, and the ejector column moves upward accordingly, which is beneficial to ejecting the product formed in the lower mold.

[0006] Specifically, a hose is fixed to one side of the tank body close to the coolant tank, a second valve is fixed to one end of the hose away from the tank body, and one end of the second valve away from the hose is connected to the elbow.

[0007] By adopting the above technical solution, after the coolant in the tank body is cooled, the second valve is opened, the first valve is closed, and the water pump extracts the coolant in the tank body, thereby realizing the recycling of the coolant.

[0008] Specifically, a nozzle is fixed on one end of the connecting tube away from the lower mold.

[0009] By adopting the above technical solution, the coolant absorbs the temperature of the lower mold and the product in the lower mold and is sprayed out through the nozzle at the end of the connecting pipe. The setting of the nozzle can increase the contact area between the coolant and the air, which is beneficial to the cooling of the coolant.

[0010] Specifically, both the two inserting blocks and the clamping block are provided with through slots for inserting fingers.

[0011] By adopting the above technical solution, fingers are inserted into the through slots on the insert block and the card block, so that the insert block and the card block can be easily taken in and out.

[0012] Specifically, a liquid filling port is provided at the top of the coolant tank, and a protective cover is provided inside the liquid filling port.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model discloses a rapid cooling injection mold for producing a cooling fan. The piston rod of the hydraulic cylinder drives the support to move downward, and the upper mold moves downward accordingly. The upper mold cooperates with the lower mold to realize extrusion molding of the product. The water pump draws coolant from the coolant tank. The coolant enters the cooling chamber through the branch pipe. The coolant absorbs the temperature of the lower mold and the product in the lower mold and is discharged to the tank body through the connecting pipe. The water pump continuously supplies coolant to the lower mold. The cold air generated by the operation of the air cooler is discharged through two exhaust hoods, which is beneficial to cooling the coolant in the lower mold and the tank body, thereby improving the molding speed of the product. The piston rod of the hydraulic cylinder drives the support to move upward for a distance, pushes the two plug blocks, and the two plug blocks are inserted into the slots on both sides of the ejector column. The two card blocks are inserted into the slots on the two plug blocks. The piston rod of the hydraulic cylinder continues to drive the support to move upward, and the ejector column moves upward accordingly, which is beneficial to ejecting the product formed in the lower mold.

[0015] (2) In the quick-cooling injection mold for producing a heat dissipation fan described in the utility model, after the coolant in the tank body is cooled, the second valve is opened, the first valve is closed, and the water pump extracts the coolant in the tank body to achieve recycling of the coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the lower mold of the utility model;

[0019] Figure 3 It is a front view of the coolant tank of the utility model;

[0020] Figure 4 For the utility model Figure 1 A magnified view of the structure in the middle.

[0021] In the figure: 1. bracket; 2. hydraulic cylinder; 3. support; 30. plug-in block; 31. clamping block; 4. upper mold; 5. support plate; 6. coolant tank; 60. water pump; 61. elbow; 62. first valve; 63. conduit; 64. branch pipe; 65. second valve; 7. lower mold; 8. cover plate; 9. base; 10. top column; 11. connecting pipe; 12. nozzle; 13. air cooler; 14. trough; 15. hose; 16. cold air duct; 17. exhaust hood. DETAILED DESCRIPTION

[0022] 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.

[0023] In order to improve the cooling speed of the lower mold 7 and the product, as an embodiment of the utility model, Figures 1 to 4 As shown, a rapid cooling injection mold for producing a cooling fan described in the utility model comprises a bracket 1, the top of the bracket 1 is fixed with a hydraulic cylinder 2 by bolts, the bottom end of the piston rod of the hydraulic cylinder 2 is fixed with a support 3 by bolts, the inner top wall of the support 3 is fixed with an upper mold 4 by bolts, the bottom end of the bracket 1 is welded and fixed with a support plate 5, the bottom end of the bracket 1 passes through the support 3, the top end of the support plate 5 is fixed with a lower mold 7 by bolts, a cooling cavity is provided in the lower mold 7, a cover plate 8 is welded and fixed to the top of the lower mold 7, a base 9 and four legs are welded and fixed to the bottom end of the support plate 5, a top column 10 is provided in the base 9, the top end of the top column 10 passes through the support plate 5 and extends into the lower mold 7, both sides of the top column 10 are provided with an insert block 30 and a clamping block 31, both sides of the support 3 are provided with a through groove adapted to the insert block 30, both sides of the top column 10 are provided with a slot adapted to the insert block 30, and both sides of the support 3 are provided with a slot adapted to the insert block 30. A slot matching the card block 31 is provided on both the two plug blocks 30, a coolant tank 6 is provided on one side of the support plate 5, a water pump 60 is fixed to the top of the coolant tank 6 by bolts, a bend pipe 61 is welded and fixed to the water inlet pipe of the water pump 60, a first valve 62 is welded and fixed to the bend pipe 61, a conduit 63 is welded and fixed to the end of the first valve 62 away from the bend pipe 61, the conduit 63 extends into the coolant tank 6, a branch pipe 64 is welded and fixed to the drain pipe of the water pump 60, and the end of the branch pipe 64 away from the water pump 60 extends into the cooling cavity, a connecting pipe 11 is welded and fixed to the side of the lower mold 7 away from the branch pipe 64, a trough body 14 is provided below the connecting pipe 11, a cooling fan 13 is provided on one side of the trough body 14, a cold air pipe 16 is welded and fixed to the exhaust pipe of the cold air fan 13, two exhaust hoods 17 are welded and fixed to the cold air pipe 16, one of the exhaust hoods 17 is located on one side of the lower mold 7, and the other exhaust hood 17 is located above the trough body 14.

[0024] When in use, the piston rod of the hydraulic cylinder 2 drives the support 3 to move downward, and the upper mold 4 moves downward accordingly. The upper mold 4 cooperates with the lower mold 7 to realize extrusion molding of the product. The water pump 60 extracts the coolant in the coolant tank 6, and the coolant enters the cooling chamber through the branch pipe 64. The coolant absorbs the temperature of the lower mold 7 and the product in the lower mold 7 and is discharged to the tank body 14 through the connecting pipe 11. The water pump 60 continuously supplies coolant to the lower mold 7. The cold air generated by the operation of the air cooler 13 is discharged through the two exhaust hoods 17, which is beneficial to the cooling of the coolant in the lower mold 7 and the tank body 14, thereby improving the product molding speed. The piston rod of the hydraulic cylinder 2 drives the support 3 to move up a distance, pushes the two plug blocks 30, and the two plug blocks 30 are inserted into the slots on both sides of the ejector column 10. The two card blocks 31 are inserted into the slots on the two plug blocks 30. The piston rod of the hydraulic cylinder 2 continues to drive the support 3 to move upward, and the ejector column 10 moves upward accordingly, which is beneficial to ejecting the product formed in the lower mold 7.

[0025] In order to realize the recycling of the coolant, for example, Figure 1 , Figure 3 As shown, a hose 15 is welded and fixed to one side of the tank body 14 close to the coolant tank 6 , a second valve 65 is welded and fixed to one end of the hose 15 away from the tank body 14 , and the end of the second valve 65 away from the hose 15 is welded and connected to the elbow 61 .

[0026] When in use, after the coolant in the tank body 14 is cooled, the second valve 65 is opened, the first valve 62 is closed, and the water pump 60 extracts the coolant in the tank body 14 to realize the recycling of the coolant.

[0027] In order to facilitate the cooling of the coolant, for example, Figure 1 As shown, a nozzle 12 is welded and fixed to one end of the connecting pipe 11 away from the lower mold 7 .

[0028] In order to facilitate the placement and removal of the insert block 30 and the card block 31, for example, Figure 4 As shown, both the inserting block 30 and the clamping block 31 are provided with through slots for inserting fingers.

[0029] In order to facilitate the addition of coolant, a liquid filling port is provided at the top of the coolant tank 6, and a protective cover is provided inside the liquid filling port.

[0030] When the utility model is in use, the piston rod of the hydraulic cylinder 2 drives the support 3 to move downward, and the upper mold 4 moves downward accordingly. The upper mold 4 cooperates with the lower mold 7 to realize the extrusion molding of the product. The water pump 60 extracts the coolant in the coolant tank 6, and the coolant enters the cooling chamber through the branch pipe 64. The coolant absorbs the temperature of the lower mold 7 and the product in the lower mold 7 and is sprayed out through the nozzle 12. The tank body 14 collects the sprayed coolant. The water pump 60 continuously supplies the coolant to the lower mold 7. The cold air generated by the operation of the air cooler 13 is discharged through the two exhaust hoods 17, which is beneficial to the cooling of the coolant in the lower mold 7 and the tank body 14, thereby improving the product molding speed.

[0031] The piston rod of the hydraulic cylinder 2 drives the support 3 to move up a certain distance, pushing the two plug blocks 30, the two plug blocks 30 are inserted into the slots on both sides of the ejector column 10, and the two clamping blocks 31 are inserted into the slots on the two plug blocks 30. The piston rod of the hydraulic cylinder 2 continues to drive the support 3 to move up, and the ejector column 10 moves up accordingly, which is conducive to ejecting the product formed in the lower mold 7;

[0032] After the coolant in the tank body 14 is cooled, the second valve 65 is opened, the first valve 62 is closed, and the water pump 60 extracts the coolant in the tank body 14 to realize the recycling of the coolant.

[0033] The above shows and describes the basic principles, main features and 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 the description in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents. The contents not described in detail in the utility model belong to the prior art known to those skilled in the art.

Claims

1. A quick-cooling injection mold for producing a cooling fan, characterized in that: The invention comprises a support (1), a hydraulic cylinder (2) is fixed to the top of the support (1), a support (3) is fixed to the bottom of the piston rod of the hydraulic cylinder (2), an upper mold (4) is fixed to the inner top wall of the support (3), a support plate (5) is fixed to the bottom of the support (1), the bottom end of the support (1) passes through the support (3), a lower mold (7) is fixed to the top of the support plate (5), a cooling cavity is provided in the lower mold (7), a cover plate (8) is fixed to the top of the lower mold (7), and the support plate ( A base (9) and four legs are fixed at the bottom end of the support (5), a top column (10) is arranged inside the base (9), the top end of the top column (10) passes through the support plate (5) and extends into the lower mold (7), both sides of the top column (10) are provided with an insert block (30) and a clamp block (31), both sides of the support (3) are provided with a through groove adapted to the insert block (30), both sides of the top column (10) are provided with a slot adapted to the insert block (30), both sides of the support (3) and the two insert blocks (30) are provided with a clamp block (31) 1) an adaptable slot, a coolant tank (6) is provided on one side of the support plate (5), a water pump (60) is fixed on the top of the coolant tank (6), a bent pipe (61) is fixed on the water inlet pipe of the water pump (60), a first valve (62) is fixed on the bent pipe (61), a conduit (63) is fixed on the end of the first valve (62) away from the bent pipe (61), the conduit (63) extends into the coolant tank (6), a branch pipe (64) is fixed on the drainage pipe of the water pump (60), and the branch pipe (64) is away from the water pump ( One end of the lower mold (60) extends into the cooling chamber, a connecting pipe (11) is fixed to the side of the lower mold (7) away from the branch pipe (64), a trough body (14) is provided below the connecting pipe (11), a cooling fan (13) is provided on one side of the trough body (14), a cold air pipe (16) is fixed to the exhaust pipe of the cold air machine (13), two exhaust hoods (17) are fixed to the cold air pipe (16), one of the exhaust hoods (17) is located on one side of the lower mold (7), and the other exhaust hood (17) is located above the trough body (14).

2. A rapid cooling injection mold for producing a heat dissipation fan according to claim 1, characterized in that: A hose (15) is fixed to a side of the tank body (14) close to the coolant tank (6), a second valve (65) is fixed to an end of the hose (15) away from the tank body (14), and an end of the second valve (65) away from the hose (15) is connected to a bent pipe (61).

3. A rapid cooling injection mold for producing a heat dissipation fan according to claim 1, characterized in that: A nozzle (12) is fixed to one end of the connecting pipe (11) away from the lower mold (7).

4. A rapid cooling injection mold for producing a heat dissipation fan according to claim 1, characterized in that: The two inserting blocks (30) and the clamping block (31) are both provided with through slots for inserting fingers.

5. The rapid cooling injection mold for producing a heat dissipation fan according to claim 1, characterized in that: The top of the coolant tank (6) is provided with a liquid filling port, and a protective cover is provided inside the liquid filling port.

Images