CN217834620U - High-efficient heat exchange formula injection mold - Google Patents

Abstract

The utility model belongs to the technical field of injection moulds, and discloses a high-efficiency heat exchange type injection mould, comprising a base, the top of the base is fixedly connected with two support columns, and the top between the two support columns is fixedly connected with a top plate , a hydraulic cylinder is installed inside the top plate, a push plate is fixedly connected to the bottom end of the hydraulic cylinder, and an upper die is fixedly connected to the bottom of the push plate. The utility model supports the device through the base, first starts the hydraulic cylinder to drive the push plate to descend, and the push plate drives the upper mold to descend synchronously, and the lower mold is tightly locked and aligned to form a mold groove, and the upper mold and the lower mold are engaged at the same time, and then the The raw material is injected inside the mold cavity, and the high-temperature raw material is formed inside the mold cavity, so that the device has the advantages of cooling synchronization, good uniformity, ensuring the quality of the finished product, and realizing circulating cooling, saving water resources, and realizing the advantages of heat exchange and recovery.

Description

A high-efficiency heat exchange injection mold

technical field

The utility model relates to the technical field of injection molds, in particular to a high-efficiency heat exchange injection mold.

Background technique

Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Generally, thermoplastics or thermosetting plastics are made into plastic products of various shapes using plastic molding molds. When performing injection molding operations on injection molds, The mold is gradually filled with the plastic part solution from bottom to top for injection molding, and then the mold is cooled to cool and shape the finished product in the cavity to take out the heat.

However, the existing cooling devices cool the movable mold and the fixed mold separately, and the synchronization is poor, resulting in uneven cooling of the finished product, and it is impossible to realize circulating cooling, which consumes water resources. Therefore, our technicians propose a high-efficiency thermal Exchangeable injection molds are used to solve such problems.

Utility model content

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a high-efficiency heat exchange injection mold to solve the problem of poor synchronization of the cooling device in the prior art, resulting in uneven cooling of the finished product, and the inability to realize circulating cooling , the problem of water consumption.

In order to achieve the above object, the utility model adopts the following technical solutions.

A high-efficiency heat-exchanging injection mold includes a base, the top of the base is fixedly connected with two support columns, the top between the two support columns is fixedly connected with a top plate, and a hydraulic cylinder is installed inside the top plate, The bottom end of the hydraulic cylinder is fixedly connected with a push plate, the bottom of the push plate is fixedly connected with an upper die, the top of the base is fixedly connected with a lower die, and the inside of the lower die is provided with a first cooling channel. The two outlets of the first cooling channel are equipped with jacking pipes, the inside of the push plate and the upper mold is provided with a second cooling channel, and the inside of the push plate is fixedly connected with two vertical pipes. The bottoms of the vertical pipes are fixedly connected with mechanical valves, and the bottoms of the two mechanical valves are matched with the two jacking pipes respectively, and the outer sides of the two vertical pipes are connected with the second cooling channel, and the top of the top plate A circulation mechanism is installed which cooperates with the two standpipes.

As a further description of the above technical solution: the circulation mechanism includes a cooling water tank, a water pump, a first hose, a second hose and a heat exchanger, the bottom of the cooling water tank is fixedly connected to the top plate, and the bottom of the water pump is connected to the top plate Fixedly connected, the bottom of the heat exchanger is fixedly connected to the top plate, the input end of the water pump is fixedly connected to the cooling water tank through a pipe, the output end of the water pump is fixedly connected to the first hose, and the first hose The bottom end is fixedly connected to the vertical pipe on the left side, the top end of the vertical pipe on the right side is fixedly connected to the second hose, and the top end of the second hose is fixedly connected to the input end of the heat exchanger. The output end of the device is fixedly connected with the cooling water tank through the pipeline.

As a further description of the above technical solution: the bottom of the upper mold is fixedly connected with a sealing ring, the top of the lower mold is provided with a sealing groove, and the bottom of the sealing ring is clamped to the inside of the sealing groove.

As a further description of the above technical solution: the left and right sides of the top plate are fixedly connected with limiting sleeves, and the two limiting sleeves are respectively slidably connected to the outer sides of the two support columns.

As a further description of the above technical solution: a spring is fixedly connected to the top of the limiting sleeve, the spring is sleeved on the outside of the support column, and the top end of the spring is fixedly connected to the top plate.

As a further description of the above technical solution: an injection head is fixedly connected to the inside of the top plate, and the bottom end of the injection head penetrates and is fixedly connected to the bottom of the upper mold.

Compared with the prior art, the utility model has the advantages of:

This scheme uses the base to support the device. First start the hydraulic cylinder to drive the push plate down. The raw material is injected inside the groove, and the high-temperature raw material is formed inside the mold groove, and when the upper mold is lowered synchronously and tightly engaged with the lower mold, the two vertical pipes and the mechanical valve are driven to connect with the jacking pipe, so that the first cooling channel is connected with the vertical pipe Then start the circulation mechanism to drive the cooling water into the first cooling channel and the second cooling channel through the vertical pipe on the left side at the same time to cool the upper mold and the lower mold at the same time, and the finished product in the cavity is evenly cooled and circulated The mechanism performs heat exchange on the water that absorbs heat, realizes cooling of the water flow, and recycles the heat, thereby realizing the cooling synchronization of the device, good uniformity, ensuring the quality of the finished product, and realizing circulating cooling, saving water resources, and realizing Advantages of heat exchange recovery.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is the enlarged schematic diagram of the structure of part A in Fig. 1;

Fig. 3 is a schematic view of the utility model looking up in section;

Fig. 4 is a front view three-dimensional structural schematic diagram of the lower mold of the present invention.

Explanation of symbols in the figure:

1. Base; 2. Support column; 3. Top plate; 31. Limit sleeve; 311. Spring; 4. Hydraulic cylinder; 5. Push plate; 6. Upper die; 61. Sealing ring; 7. Lower die; 71. Sealing groove; 8. First cooling passage; 9. Jacking pipe; 10. Second cooling passage; 11. Vertical pipe; 12. Circulation mechanism; 121. Cooling water tank; 122. Water pump; 123. First hose; 124. The second hose; 125, heat exchanger; 13, injection molding head; 14, mechanical valve.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

Please refer to Figures 1 to 4. In the present utility model, a high-efficiency heat exchange injection mold includes a base 1, and the top of the base 1 is fixedly connected with two support columns 2. The top is fixedly connected with a top plate 3, the inside of the top plate 3 is equipped with a hydraulic cylinder 4, the bottom end of the hydraulic cylinder 4 is fixedly connected with a push plate 5, and the bottom of the push plate 5 is fixedly connected with an upper mold 6. The top of the base 1 is fixedly connected with a lower mold 7, and the inside of the lower mold 7 is provided with a first cooling channel 8, and the two outlets of the first cooling channel 8 are equipped with top pipes 9, and the push plate 5 A second cooling channel 10 is opened with the inside of the upper mold 6, and the inside of the push plate 5 is fixedly connected with two vertical pipes 11, and the bottoms of the two vertical pipes 11 are fixedly connected with a mechanical valve 14, and the two vertical pipes 11 are fixedly connected with a mechanical valve 14. The bottoms of the mechanical valves 14 are matched with the two top pipes 9 respectively, and the outsides of the two vertical pipes 11 are connected with the second cooling channel 10, and a circulation mechanism 12 is installed on the top of the top plate 3, and the circulation mechanism 12 is installed on the top of the top plate 3. The mechanism 12 cooperates with the two standpipes 11 .

In the utility model, the device is supported by the base 1, the hydraulic cylinder 4 is first started to drive the push plate 5 to descend, and the push plate 5 drives the upper die 6 to descend synchronously, and the lower die 7 is tightly locked and aligned to form a mold groove, and the upper die 6 and While the lower mold 7 is locked, the raw material is injected into the mold cavity, and the high-temperature raw material is formed inside the mold cavity, and when the upper mold 6 is synchronously lowered and tightly engaged with the lower mold 7, the two vertical pipes 11 and the mechanical valve are driven. 14 is docked with the top pipe 9, so that the first cooling passage 8 communicates with the vertical pipe 11, and then the circulation mechanism 12 is activated to drive cooling water into the first cooling passage 8 and the second cooling passage 10 through the left vertical pipe 11 at the same time , the upper mold 6 and the lower mold 7 are simultaneously cooled, the finished product inside the mold cavity is uniformly cooled, and the circulation mechanism 12 performs heat exchange on the water that absorbs heat, realizes cooling of the water flow, and recycles the heat, thereby realizing The device has the advantages of cooling synchronization, good uniformity, guaranteed product quality, and realizes circulating cooling, saves water resources, and realizes heat exchange and recovery, and solves the problem that the cooling device in the prior art separates the movable mold and the fixed mold separately. Cooling, poor synchronization, resulting in uneven cooling of the finished product, and the inability to achieve circulating cooling, which consumes water resources.

Please refer to Fig. 1, wherein: circulation mechanism 12 comprises cooling water tank 121, water pump 122, first flexible pipe 123, second flexible pipe 124 and heat exchanger 125, the bottom of cooling water tank 121 is fixedly connected with top plate 3, the bottom of water pump 122 It is fixedly connected with the top plate 3, the bottom of the heat exchanger 125 is fixedly connected with the top plate 3, the input end of the water pump 122 is fixedly connected with the cooling water tank 121 through a pipe, the output end of the water pump 122 is fixedly connected with the first hose 123, the first hose The bottom end of 123 is fixedly connected with the vertical pipe 11 on the left side, the top end of the vertical pipe 11 on the right side is fixedly connected with the second flexible pipe 124, and the top end of the second flexible pipe 124 is fixedly connected with the input end of the heat exchanger 125. The output end of the exchanger 125 is fixedly connected with the cooling water tank 121 through a pipe.

In the utility model, the cooling water tank 121 is pumped out by starting the water pump 122, and injected into the left vertical pipe 11 through the first hose 123, and the cooling liquid enters the inside of the first cooling channel 8 through the left mechanical valve 14, and simultaneously cools The liquid enters the inside of the second cooling channel 10 to realize synchronous cooling, and the cooling water absorbs heat and flows back to the inside of the heat exchanger 125 through the vertical pipe 11 on the right for heat exchange, and then returns to the inside of the cooling water tank 121 to realize The device has the effect of circulating cooling.

Please refer to FIG. 2, FIG. 3 and FIG. 4, wherein: the bottom of the upper mold 6 is fixedly connected with a sealing ring 61, and the top of the lower mold 7 is provided with a sealing groove 71, and the bottom of the sealing ring 61 is snapped into the inside of the sealing groove 71.

In the present utility model, through the cooperation of the sealing ring 61 and the sealing groove 71, the joint sealing effect between the upper mold 6 and the lower mold 7 is better, and water leakage is avoided.

Please refer to FIG. 1 and FIG. 3 , wherein: the left and right sides of the top plate 3 are fixedly connected with limiting sleeves 31 , and the two limiting sleeves 31 are slidably connected to the outer sides of the two supporting columns 2 .

In the utility model, the top plate 3 is limited and supported by the limit sleeve 31, so that the operation of the device is more stable.

Please refer to FIG. 1 , wherein: the top of the limiting sleeve 31 is fixedly connected with a spring 311 , the spring 311 is sleeved on the outside of the support column 2 , and the top of the spring 311 is fixedly connected with the top plate 3 .

In the utility model, the spring 311 is used to buffer the limit sleeve 31 to realize the buffering of the push plate 5, so that the device runs more smoothly and protects the upper mold 6 and the lower mold 7.

Please refer to FIG. 1 and FIG. 3 , wherein: the injection head 13 is fixedly connected to the inside of the top plate 3 , and the bottom end of the injection head 13 penetrates and is fixedly connected to the bottom of the upper mold 6 .

In the utility model, injection molding is facilitated by the injection molding head 13 pairs of devices, and the structure is reasonable and practical.

Working principle: When in use, first start the hydraulic cylinder 4 to drive the push plate 5 to descend, and the push plate 5 drives the upper die 6 to descend synchronously, and the lower die 7 is tightly locked and aligned to form a mold groove, and the upper die 6 and the lower die 7 are engaged at the same time , and then inject the raw material inside the mold cavity, the high-temperature raw material is formed inside the mold cavity, and when the upper mold 6 is synchronously lowered and tightly engaged with the lower mold 7, the two vertical pipes 11 and the mechanical valve 14 are driven to dock with the jacking pipe 9, Make the first cooling passage 8 communicate with the vertical pipe 11, then start the water pump 122 to extract the cooling water tank 121, and inject it into the left vertical pipe 11 through the first hose 123, and the cooling liquid enters the first cooling water through the left mechanical valve 14. Inside the cooling passage 8, and at the same time, the cooling liquid enters the inside of the second cooling passage 10 to realize synchronous cooling, and after the cooling water absorbs heat, it flows back to the inside of the heat exchanger 125 through the vertical pipe 11 on the right side, performs heat exchange, and then returns to the The inside of the cooling water tank 121 cools the upper mold 6 and the lower mold 7 at the same time, and the finished product inside the mold cavity is uniformly cooled, and the circulation mechanism 12 performs heat exchange on the water that absorbs heat, so as to realize cooling of the water flow and heat dissipation. Recycling, so that the device has cooling synchronization, good uniformity, guaranteed product quality, and realizes cycle cooling, saves water resources, realizes the advantages of heat exchange and recovery, and solves the problem that the cooling devices in the prior art are separated from the movable mold Separate cooling with the fixed mold, poor synchronization, resulting in uneven cooling of the finished product, and the inability to achieve circulating cooling, which consumes water resources.

The above description is only a preferred embodiment of the utility model; however, the scope of protection of the utility model is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the utility model, according to the technical solution of the utility model and its improvement concept to make equivalent replacements or changes, shall be covered in the protection scope of the utility model.

Claims (6)

1. The utility model provides a high-efficient heat exchange formula injection mold, includes base (1), its characterized in that: the utility model discloses a cooling device, including base (1), two support columns (2) of top fixedly connected with of base (1), two top fixedly connected with roof (3) between support column (2), the internally mounted of roof (3) has pneumatic cylinder (4), bottom fixedly connected with push pedal (5) of pneumatic cylinder (4), mould (6) on the bottom fixedly connected with of push pedal (5), top fixedly connected with lower mould (7) of base (1), first cooling channel (8) have been seted up to the inside of lower mould (7), push pipe (9) are all installed in two exits of first cooling channel (8), second cooling channel (10) have been seted up with the inside of last mould (6) in push pedal (5), two riser (11) of inside fixedly connected with of push pedal (5), two equal fixedly connected with mechanical valve (14) in bottom of riser (11), two the bottom of mechanical valve (14) cooperatees with two riser (9) respectively, two the outside of riser (11) all is linked together with second cooling channel (10), circulation mechanism (12) is installed at the top of roof (3), circulation mechanism (12) cooperatees with two circulation mechanism (11).

2. The high efficiency heat exchange type injection mold according to claim 1, wherein: the circulating mechanism (12) comprises a cooling water tank (121), a water pump (122), a first hose (123), a second hose (124) and a heat exchanger (125), the bottom of the cooling water tank (121) is fixedly connected with a top plate (3), the bottom of the water pump (122) is fixedly connected with the top plate (3), the bottom of the heat exchanger (125) is fixedly connected with the top plate (3), the input end of the water pump (122) is fixedly connected with the cooling water tank (121) through a pipeline, the output end of the water pump (122) is fixedly connected with the first hose (123), the bottom end of the first hose (123) is fixedly connected with a left vertical pipe (11), the top end of the right vertical pipe (11) is fixedly connected with the second hose (124), the top end of the second hose (124) is fixedly connected with the input end of the heat exchanger (125), and the output end of the heat exchanger (125) is fixedly connected with the cooling water tank (121) through a pipeline.

3. The high efficiency heat exchange type injection mold according to claim 1, wherein: go up the bottom fixedly connected with sealing washer (61) of mould (6), seal groove (71) have been seted up at the top of lower mould (7), the bottom joint of sealing washer (61) is to the inside of seal groove (71).

4. The high efficiency heat exchange type injection mold according to claim 1, wherein: the equal fixedly connected with stop collar (31) in the left and right sides of roof (3), two stop collar (31) sliding connection respectively is to the outside of two support columns (2).

5. The high efficiency heat exchange type injection mold according to claim 4, wherein: the top fixedly connected with spring (311) of stop collar (31), the outside of support column (2) is located to spring (311) cover, the top and roof (3) fixed connection of spring (311).

6. A high efficiency heat exchange type injection mold according to claim 1, wherein: the inside fixedly connected with of roof (3) moulds plastics head (13), the bottom of moulding plastics head (13) is run through and fixedly connected to the bottom of going up mould (6).

Images