CN216885076U

CN216885076U - Cooling device for medical instrument injection mold

Info

Publication number: CN216885076U
Application number: CN202123022663.8U
Authority: CN
Inventors: 张兵
Original assignee: Nanjing Binchennuo Mould Co ltd
Current assignee: Nanjing Binchennuo Mould Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-05
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a cooling device for an injection mold of medical equipment, which belongs to the technical field of injection molds, wherein cooling water is not recycled, so that resource waste is caused, and the heat productivity of a movable mold is continuously increased due to long-term use of the movable mold, so that water cooling cannot be quickly reduced; the cold nitrogen circulating device enters the snakelike gas tank through the gas inlet pipe and returns to the cold nitrogen circulating device through the gas return pipe, so that the movable mold is rapidly cooled and the cold nitrogen is recycled.

Description

Cooling device for medical instrument injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a cooling device for a medical instrument injection mold.

Background

Medical instrument generates the manufacturing process through injection mold, need cool off injection mold, because of from production efficiency's perspective, the fashioned in-process of injection molding, most time is used for cooling the goods to be convenient for the drawing of patterns, and the heat altered shape of formed part is little: 1. in the past, the cooling water is cooled by a water cooling mode, and the cooling water is not recycled, so that the resource waste is caused; 2. the heating value of the moving die is continuously increased due to long-term use, so that the water cooling cannot be rapidly reduced; to this end, we propose a cooling device for an injection mold of a medical instrument to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cooling device for a medical instrument injection mold, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cooling device for medical instrument injection mold, includes the moving die utensil, the cooperation of moving die utensil bottom is connected with the stationary mould utensil, snakelike gas tank has been seted up in the moving die utensil, the cold nitrogen device of snakelike gas tank outside fixedly connected with, rectangular channel and a plurality of through-hole have been seted up in the stationary mould utensil, fixed mounting has the cold water device in the rectangular channel, cold water device fixedly connected with cooler bin, fixed mounting has aggregate unit on the cooler bin.

As a preferred technical scheme of the utility model, the cold nitrogen device comprises an air inlet pipe and an air return pipe, wherein one end of the air inlet pipe and one end of the air return pipe are fixedly provided with a connector, the connector is hermetically sealed and connected in the end opening of the serpentine air groove, and the other end of the air inlet pipe and the other end of the air return pipe are fixedly sleeved with the cold nitrogen circulating device.

As a preferable technical scheme of the utility model, a convex clamping block is fixedly arranged at the port of the rectangular groove, the rectangular groove is communicated with the through hole, and a cold water device is fixedly arranged in the convex clamping block.

As a preferred technical scheme of the utility model, the water cooling device comprises a water pump, a water suction pipe, a first water inlet pipe and a second water inlet pipe are fixedly sleeved on the water pump, one end of the water suction pipe is fixedly connected with a linkage device, the first water inlet pipe and the second water inlet pipe penetrate through a convex clamping block and are coiled in a rectangular groove in a snake shape, one ends of the first water inlet pipe and the second water inlet pipe are respectively connected with a first water return pipe and a second water return pipe, one ends of the first water return pipe and the second water return pipe penetrate through a cooling box and are fixedly connected with a multi-way pipe, and a plurality of nozzles are fixedly arranged outside the multi-way pipe.

As a preferred technical scheme of the utility model, the inner wall of the cooling box is fixedly provided with a screen plate, the cooling box at the upper end and the lower end of the screen plate is internally provided with a heat dissipation chamber and a cold water chamber, the side wall of the cooling box is provided with a side heat dissipation grid and a through groove, the through groove is arranged at the bottom end of the screen plate, the side surface of the cooling box is fixedly provided with a baffle box, and the upper surface of the baffle box is provided with an upper heat dissipation grid.

According to a preferred technical scheme, the linkage device comprises a motor, the motor is fixedly connected with a rectangular frame, a sliding groove is formed in the side face of the rectangular frame, a rotary column is installed in the rectangular frame in a rotating mode, a rotary groove is formed in the surface of the rotary column, a fan is fixedly connected to the inner side of the rectangular frame, the fan is fixedly sleeved with the side face of a cooling box, the output end of the motor is fixedly connected with the rotary column and the fan, an L-shaped rack is installed in the rotary groove and the sliding groove in a sliding mode, a guide rail is arranged outside the L-shaped rack in a sliding mode, the inner side of the guide rail is fixedly arranged on the side face of the cooling box, the L-shaped rack is meshed with a gear, the bottom end of the gear is fixedly connected with a ball valve, one end of the ball valve is fixedly sleeved with a water suction pipe, and the other end of the ball valve is fixedly sleeved in a cold water chamber.

Compared with the prior art, the utility model has the beneficial effects that:

1. the water pump fixes the cooling water in the mold, the inner part of the water-cooling snakelike winding and opposite flow are realized, the heat dissipation effect is uniform, the motor drives the fan to rotate, the cooled water falls to the cold water chamber after being cooled in the heat dissipation chamber, the heat energy is discharged by the upper heat dissipation grid, the water circulation reuse is realized, meanwhile, the ball valve rotates back and forth to ensure that the water pump supplies water intermittently, the intermittent cooling of the fixed mold is realized, and the thermal deformation of the finished product is reduced;

2. the cold nitrogen circulating device enters the snakelike gas tank through the gas inlet pipe and returns to the cold nitrogen circulating device through the gas return pipe, so that the movable mold is rapidly cooled and the cold nitrogen is recycled.

Drawings

FIG. 1 is a schematic structural view of the present invention,

figure 2 is a schematic view of the structural moving mold of the utility model,

FIG. 3 is a schematic view of a cold nitrogen plant with the structure of the utility model,

FIG. 4 is a schematic view of a water cooling device and a stationary mold in the present invention,

figure 5 is a schematic cross-sectional view of a cooling box of the present invention construction,

FIG. 6 is a schematic cross-sectional view of a structural linkage according to the present invention.

In the figure: 1. moving the mold; 11. a serpentine gas channel; 2. a nitrogen cooling device; 21. an air inlet pipe; 211. a joint; 22. An air return pipe; 3. fixing a mold; 31. a rectangular groove; 32. a through hole; 33. a convex fixture block; 4. a cold water device; 41. a water pump; 42. a suction pipe; 43. a first water inlet pipe; 44. a second water inlet pipe; 45. a first water return pipe; 46. a second water return pipe; 47. a multi-pass tube; 48. a nozzle; 5. a cooling tank; 51. a screen plate; 52. a heat dissipation chamber; 53. a cold water chamber; 54. a side heat dissipation grid; 55. blocking the box; 551. an upper heat dissipation grid; 56. a through groove; 6. A linkage device; 61. a motor; 62. a rectangular frame; 621. a chute; 63. turning the column; 631. a convolution tank; 64. A fan; 65. an L-shaped rack; 651. a guide rail; 66. a gear; 67. a ball valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-6, the utility model provides a cooling device for a medical instrument injection mold, which comprises a movable mold 1, wherein the bottom end of the movable mold 1 is connected with a fixed mold 3 in a matching manner, the movable mold 1 and the fixed mold 3 are used in a matching manner to be capable of injecting a finished product, a snake-shaped gas groove 11 is formed in the movable mold 1, a cold nitrogen device 2 is fixedly connected to the outer side of the snake-shaped gas groove 11, the movable mold 1 is rapidly cooled through the cold nitrogen device 2, a rectangular groove 31 and a plurality of through holes 32 are formed in the fixed mold 3, a cold water device 4 is fixedly installed in the rectangular groove 31, the cold water device 4 is used for water cooling of the fixed mold 3, the cold water device 4 is fixedly connected with a cooling box 5, a linkage device 6 is fixedly installed on the cooling box 5, and the cooled water is recycled and reused after being cooled in the cooling box 5 through the linkage device 6.

Further, cold nitrogen device 2 is including intake pipe 21, muffler 22, intake pipe 21, muffler 22 one end are fixed to be equipped with and connect 211, connect 211 to cup joint in snakelike gas tank 11 port in a sealed way, intake pipe 21, muffler 22 other end are fixed to cup joint cold nitrogen circulating device to get into snakelike gas tank 11 in by intake pipe 21 through cold nitrogen circulating device, return in the cold nitrogen circulating device from muffler 22 again, realize cold nitrogen circulation and multiplex.

Further, a convex fixture block 33 is fixedly mounted at a port of the rectangular groove 31, the rectangular groove 31 is in through connection with the through hole 32, and a cold water device 4 is fixedly mounted in the convex fixture block 33, so that the cold water device 4 is fixedly connected with the fixed die 3.

Further, the water cooling device 4 includes a water pump 41, the water pump 41 is fixedly sleeved with a water suction pipe 42, a first water inlet pipe 43 and a second water inlet pipe 44, the first water inlet pipe 43 and the second water inlet pipe 44 are arranged at two sides of the fixed mold 3, so that two water inlets oppositely enter the fixed mold 3 to uniformly dissipate heat, the water pump 41 sucks cooling water through the water suction pipe 42 and then discharges water through the first water inlet pipe 43 and the second water inlet pipe 44, one end of the water suction pipe 42 is fixedly connected with a linkage device 6, the water suction pipe 42 intermittently sucks water through the linkage device 6, the first water inlet pipe 43 and the second water inlet pipe 44 penetrate through the convex fixture block 33 and are coiled in the rectangular groove 31 in a snake shape, so that the first water inlet pipe 43 and the second water inlet pipe 44 are fixedly arranged in the rectangular groove 31 and are mutually wound in the rectangular groove 31 to achieve a better heat dissipation effect, and one end of the first water inlet pipe 43 and one end of the second water inlet pipe 44 are respectively connected with a first water return pipe 45, a second water return pipe 44, The second wet return 46, the cooling box 5 is all run through to the one end of first wet return 45, second wet return 46 to fixedly connected with multi-ported pipe 47, the outer fixed mounting of multi-ported pipe 47 has a plurality of nozzles 48, thereby the cooling water is for deciding the mould 3 heat dissipation back, gets into multi-ported pipe 47 in first wet return 45, the second wet return 46, is sprayed relatively by nozzle 48 again, thereby increases heat radiating area.

Furthermore, a screen plate 51 is fixedly arranged on the inner wall of the cooling box 5, a heat dissipation chamber 52 and a cold water chamber 53 are arranged in the cooling box 5 at the upper end and the lower end of the screen plate 51 in a partitioning manner, the cooling box 5 consists of the heat dissipation chamber 52 and the cold water chamber 53, a side heat dissipation grid 54 and a through groove 56 are arranged on the side wall of the cooling box 5, the through groove 56 is arranged at the bottom end of the screen plate 51, a blocking box 55 is fixedly arranged on the side surface of the cooling box 5, blown partial water mist enters the blocking box 55 to form water drops, the water drops fall into the cold water chamber 53, an upper heat dissipation grid 551 is arranged on the upper surface of the blocking box 55, and heat energy in the heat dissipation chamber 52 enters the blocking box 55 through the side heat dissipation grid 54 and is discharged through the upper heat dissipation grid 551.

Further, the linkage device 6 includes a motor 61, the motor 61 is fixedly connected with a rectangular frame 62, a sliding groove 621 is formed in the side surface of the rectangular frame 62, a rotary column 63 is rotatably mounted in the rectangular frame 62, a rotary groove 631 is formed in the surface of the rotary column 63, a fan 64 is fixedly connected to the inner side of the rectangular frame 62, the fan 64 is fixedly sleeved with the side surface of the cooling box 5, the output end of the motor 61 is fixedly connected with the rotary column 63 and the fan 64, so that the motor 61 drives the fan 64 and the rotary column 63 to stably rotate, an L-shaped rack 65 is slidably mounted in the rotary groove 631 and the sliding groove 621, the rotary groove 631 drives the L-shaped rack 65 to slide back and forth along the sliding groove 621, a guide rail 651 is slidably arranged outside the L-shaped rack 65, the L-shaped rack 65 slides back and forth along the guide rail 651, the inner side of the guide rail 651 is fixedly arranged on the side surface of the cooling box 5, the L-shaped rack 65 is engaged with a gear 66, the bottom end of the gear 66 is fixedly connected with a ball valve 67, one end of the ball valve 67 is fixedly sleeved with the water suction pipe 42, the other end of the ball valve 67 is fixedly sleeved in the cold water chamber 53, and the L-shaped rack 65 drives the gear 66 and the ball valve 67 to rotate in a reciprocating manner, so that the water suction pipe 42 intermittently sucks cooling water from the cold water chamber 53.

The working principle is as follows: when the injection mold needs to be cooled, the cooling water enters the serpentine air groove 11 from the air inlet pipe 21 through the cold nitrogen circulating device and returns to the cold nitrogen circulating device from the air return pipe 22, cold nitrogen recycling is realized, the moving mold 1 is rapidly cooled, the cooling mode of the fixed mold 3 adopts a water cooling mode, the water pump 41 sucks cooling water from the cold water chamber 53 connected with the ball valve 67 through the water suction pipe 42, then water is discharged through the first water inlet pipe 43 and the second water inlet pipe 44, the first water inlet pipe 43 and the second water inlet pipe 44 are wound in a serpentine shape, the internal cooling water flows in the rectangular groove 31 in opposite directions, the fixed mold 3 is cooled through the plurality of through holes 32, the heat dissipation effect is high, after the cooling water dissipates heat of the fixed mold 3, the cooling water respectively enters the multi-way pipes 47 at two sides in the heat dissipation chamber 52 through the first water return pipe 45 and the second water return pipe 46 and is relatively sprayed through the nozzle 48, so that the heat dissipation area is increased through water cooling, then the motor 61 drives the fan 64 to perform rapid heat dissipation treatment on the water, the heat energy in the heat dissipation chamber 52 enters the blocking box 55 through the side heat dissipation grid 54 and is discharged by the upper heat dissipation grid 551, the blown partial water mist enters the blocking box 55 to form water drops which fall into the cold water chamber 53, the motor 61 simultaneously drives the rotary column 63 to rotate, and drives the L-shaped rack 65 to slide back and forth along the sliding groove 621 through the rotary groove 631, so that the L-shaped rack 65 slides back and forth along the guide rail 651 and drives the gear 66 and the ball valve 67 to rotate back and forth, thereby intermittently opening and closing the ball valve 67, realizing that the water suction pipe 42 intermittently sucks cooling water from the cold water chamber 53, and enabling the fixed mold 3 to perform intermittent heat dissipation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooling device for medical instrument injection mold, includes movable mould (1), its characterized in that: move mould (1) bottom cooperation and be connected with stationary mould (3), it has snakelike gas tank (11) to open in moving mould (1), snakelike gas tank (11) outside fixedly connected with cold nitrogen device (2), rectangular channel (31) and a plurality of through-hole (32) have been seted up in stationary mould (3), fixed mounting has cold water set (4) in rectangular channel (31), cold water set (4) fixedly connected with cooler bin (5), fixed mounting has aggregate unit (6) on cooler bin (5).

2. The cooling device for the medical instrument injection mold according to claim 1, wherein: cold nitrogen device (2) is including intake pipe (21), muffler (22), intake pipe (21), muffler (22) one end are fixed to be equipped with and connect (211), connect (211) sealed cup joint in snakelike gas tank (11) port, intake pipe (21), muffler (22) other end are fixed to be cup jointed cold nitrogen circulating device.

3. The cooling device for the injection mold of the medical instrument according to claim 1, wherein: rectangular channel (31) port department fixed mounting has convex fixture block (33), rectangular channel (31) and through-hole (32) through connection, convex fixture block (33) internal fixation installs cold water installation (4).

4. The cooling device for the injection mold of the medical instrument according to claim 3, wherein: the cooling water device (4) is including water pump (41), fixed cover has been connect and has been inhaled water pipe (42), first inlet tube (43) and second inlet tube (44) on water pump (41), the one end fixed connection aggregate unit (6) of inhaling water pipe (42), first inlet tube (43) and second inlet tube (44) run through convex fixture block (33) to snakelike coiling in rectangular channel (31), the one end of first inlet tube (43) and second inlet tube (44) is connected with first return water pipe (45), second return water pipe (46) respectively, cooling box (5) all run through to the one end of first return water pipe (45), second return water pipe (46) to fixedly connected with multi-channel (47), multi-channel (47) outer fixed mounting has a plurality of nozzles (48).

5. The cooling device for the medical instrument injection mold according to claim 4, wherein: the cooling box is characterized in that a screen plate (51) is fixedly arranged on the inner wall of the cooling box (5), a heat dissipation chamber (52) and a cold water chamber (53) are arranged in the cooling box (5) at the upper end and the lower end of the screen plate (51) in a separated mode, a lateral heat dissipation grid (54) and a through groove (56) are arranged on the side wall of the cooling box (5), the bottom end of the screen plate (51) is arranged in the through groove (56), a blocking box (55) is fixedly arranged on the side face of the cooling box (5), and an upper heat dissipation grid (551) is arranged on the upper surface of the blocking box (55).

6. The cooling device for the injection mold of the medical instrument according to claim 1, wherein: linkage device (6) is including motor (61), motor (61) fixedly connected with rectangle frame (62), spout (621) have been seted up to rectangle frame (62) side, rotary column (63) have been installed in rectangle frame (62) internal rotation, rotary column (63) surface has been seted up and has been revolved groove (631), rectangle frame (62) inboard fixedly connected with fan (64), fan (64) and cooling box (5) side fixed socket joint, motor (61) output end fixed connection rotary column (63), fan (64), it has L shape rack (65) to revolve groove (631) and slidable mounting in spout (621), L shape rack (65) outer slip is equipped with guide rail (651), guide rail (651) inboard fixed locate cooling box (5) side, L shape rack (65) meshing is connected with gear (66), gear (66) bottom end fixedly connected with ball valve (67), one end of the ball valve (67) is fixedly sleeved with the water suction pipe (42), and the other end of the ball valve (67) is fixedly sleeved in the cold water chamber (53).