CN214773934U

CN214773934U - Medical straw blow molding die device

Info

Publication number: CN214773934U
Application number: CN202121110155.2U
Authority: CN
Inventors: 叶元革; 叶泽仁; 叶毅
Original assignee: Suzhou Yiyuan Precision Mould Co ltd
Current assignee: Suzhou Yiyuan Precision Mould Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-19
Anticipated expiration: 2031-05-21

Abstract

The application relates to a medical straw blow molding die device, which comprises two half dies, wherein a water cooling assembly and an air cooling assembly are respectively arranged on the two half dies; wherein the water-cooling component comprises a water pipe, a water pump, a water temperature regulator and a water-cooling interlayer. The water cooling component is communicated with the water cooling interlayer through a water pipe under the action of the water temperature regulator to form a circulating water path, and the mould is continuously cooled; the air cooling assembly comprises an air cooler, a water inlet pipe, a water outlet pipe and an air cooling interlayer. The air cooling assembly continuously supplies cold air to the cold air interlayer through the air inlet pipe under the action of the air conditioner, the cold air exchanges heat with the water cooling interlayer, generated hot air is discharged along the air outlet pipe to cool the water cooling interlayer, and then the mold is cooled; the movement direction of cooling water in the water cooling assembly is opposite to the movement direction of cooling air in the air cooling assembly, and the cooling uniformity is better and the cooling efficiency is further improved by combining the water cooling and the air cooling. This application has the effect that shortens cooling cycle, improves production efficiency.

Description

Medical straw blow molding die device

Technical Field

The application relates to the technical field of straw production equipment, in particular to a medical straw blow molding die device.

Background

The straw is used for absorbing, transferring or carrying a small amount of liquid. The straw has the advantages of simple operation, safety and sanitation, and is widely applied to the medical industry.

The medical suction pipe is generally manufactured by adopting extrusion blow molding, namely, a pipe blank is extruded by an extruder, the pipe blank is clamped into a blow molding die through a manipulator, and a left die and a right die are matched to clamp the pipe blank and blow air into the pipe blank so that the pipe blank is tightly attached to a die cavity of the die to be cooled and molded. During blow molding, the heat of the melt is continuously transferred to the mold; productivity is severely compromised if the temperature of the mold is too high to cool. In order to maintain the mold temperature within a proper range, the mold is generally provided with a cooling device.

In view of the above-mentioned related technologies, the inventor considers that the cooling system is designed and arranged reasonably, the cooling time can be shortened, and the production efficiency can be improved, which is of great significance.

SUMMERY OF THE UTILITY MODEL

In order to shorten the cooling time, improve production efficiency, this application provides a medical straw blow mold device.

The application provides a medical straw blow mold device adopts following technical scheme:

a medical straw blow molding die device comprises two half dies, wherein a water cooling assembly and an air cooling assembly are respectively arranged on the two half dies; the water cooling component comprises a water pipe, a water pump, a water temperature regulator and a water cooling interlayer; the water-cooling interlayer is arranged in the mold wall of the half mold, and the water pump, the water temperature regulator and the cooling interlayer are respectively communicated with the water pipe; the air cooling assembly comprises an air cooler, an air inlet pipe, an air outlet pipe and an air cooling interlayer; the air-cooling interlayer is arranged in the mold wall of the half mold and positioned outside the water-cooling interlayer, the air inlet pipe and the air outlet pipe are respectively communicated with the air-cooling interlayer, and the air inlet pipe is also communicated with the air conditioner; the movement direction of cooling water in the water cooling assembly is opposite to the movement direction of cooling water in the air cooling assembly.

Through adopting above-mentioned technical scheme, the water cooling subassembly constantly adjusts the temperature under the effect of temperature regulator, makes the cooling water remain lower temperature throughout to the cooling rate to the mould has been improved. The air cooling component continuously leads cold air into the air cooling interlayer through the air inlet pipe under the action of the air conditioner, the cold air and the water cooling interlayer exchange heat and are discharged into air through the air outlet pipe after being changed into hot air, and therefore the temperature of the die is lowered. The movement directions of the water cooling and the air cooling are opposite, so the temperature reduction uniformity is better. Under the combined action of the water cooling assembly and the air cooling assembly, the mold can be rapidly cooled, the cooling time is shortened, and the production efficiency is improved.

Optionally, a water inlet and a water outlet are arranged on the water-cooling interlayer, and two ends of the water pipe are respectively communicated with the water inlet and the water outlet.

Through adopting above-mentioned technical scheme, conveniently lead to the cooling water in cooling intermediate layer, carry out rapid cooling for the mould.

Optionally, the diameter of the water inlet is smaller than that of the connected water pipe.

By adopting the technical scheme, the pipe diameter is reduced, the instantaneous speed of water flow is increased, and the cooling water in the cooling interlayer is pushed; meanwhile, the accelerated water flow increases the internal convection of cooling water in the water-cooling interlayer, and the heat transfer is accelerated, so that the cooling speed is accelerated, the cooling period is shortened, and the production efficiency is improved.

Optionally, the air-cooling interlayer is provided with an air inlet and an air outlet, the air inlet is communicated with the air inlet pipe, and the air outlet is communicated with the air outlet pipe.

By adopting the technical scheme, the air cooling interlayer is conveniently filled with cold air, and the water cooling interlayer is cooled, so that the purpose of cooling the die is achieved.

Optionally, the lower die further comprises a lower die plate, a sliding groove is formed in the lower die plate, a sliding rail matched with the sliding groove is arranged at the bottom of the half die, and the lower die plate and the half die are connected through the matching of the sliding groove and the sliding rail.

Through adopting above-mentioned technical scheme, two half moulds are under the cooperation of spout and slide rail, and the compound die is easy, easy operation.

Optionally, the die further comprises an upper template, wherein two supporting pieces are arranged between the upper template and the lower template and are symmetrically arranged.

Through adopting above-mentioned technical scheme, make whole mould device structure more stable firm.

Optionally, the two supporting pieces are respectively provided with an air cylinder on the opposite side walls, and the output end of the air cylinder is connected with a vertical push plate for pushing the half mold.

Through adopting above-mentioned technical scheme, vertical push pedal promotes two half moulds under the drive of cylinder, makes it compound die under the cooperation of spout and slide rail, easy operation, labour saving and time saving.

Optionally, an air inlet cavity is arranged on the mold, and an auxiliary air inlet matched with the air inlet cavity is arranged on the upper template.

By adopting the technical scheme, compressed air is blown into a die cavity formed by die assembly through the air inlet die cavity, and the tube blank is blown to be tightly attached to the die cavity for cooling so as to form a blow molding sample.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the method, a water cooling assembly and an air cooling assembly are designed in a half die, and the water cooling assembly is communicated with a water cooling interlayer through a water pipe under the action of a water temperature regulator to form a closed loop so as to cool the die; the air cooling component continuously supplies cold air to the cold air interlayer through the air inlet pipe under the action of the air conditioner, the cold air exchanges heat with the water cooling interlayer to be changed into hot air which is discharged along the air outlet pipe, and the water cooling interlayer is continuously cooled so as to cool the die; the water cooling and the air cooling adopt the design of opposite movement directions, so that the cooling uniformity is better; under the combined action of the two, the mold is rapidly cooled, the cooling period is shortened, and the production efficiency is improved;

2. this application is less than the diameter of the water pipe that links to each other through the diameter setting with the water inlet for the rivers instantaneous velocity of flow of water inlet accelerates, has the pushing action to the rivers in the cooling interlayer, and the rivers that accelerate simultaneously have increased the irregular degree of inside rivers motion, have accelerated the convection current of inside cooling water, have promoted heat exchange, effectively shorten the cool time. The production efficiency is improved;

3. the air cylinder is matched with the sliding chute and the sliding rail, so that the die assembly is simple and convenient, time and labor are saved, and the production efficiency is improved;

4. this application is through setting up cope match-plate pattern, lower bolster and support piece for carry out the compound die location to half mould, make the device stability of constitution good.

Drawings

Fig. 1 is an external view schematically showing a medical straw blow mold device according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a medical straw blow mold device according to an embodiment of the present application.

Description of reference numerals: 1. a half mold; 2. a water-cooling assembly; 3. an air-cooling assembly; 4. a water pipe; 5. a water pump; 6. a water temperature regulator; 7. a water-cooling interlayer; 8. an air conditioner; 9. an air inlet pipe; 10. an air outlet pipe; 11. an air-cooled interlayer; 12. a water inlet; 13. a water outlet; 14. an air inlet; 15. an air outlet; 16. a lower template; 17. a chute; 18. An auxiliary air intake; 19. a water inlet hole; 20. an air outlet; 21. mounting a template; 22. a support member; 23. a cylinder; 24. a vertical push plate; 25. a water outlet hole; 26. an air inlet; 27. and an air inlet cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1 and 2.

The embodiment of the application discloses medical straw blow molding die device. Referring to fig. 1, the medical straw blow mold comprises two mold halves 1, an upper mold plate 21, a lower mold plate 16 and two supports 22. Wherein the upper template 22 and the lower template 16 are arranged up and down, and the two supporting members 22 are symmetrically connected between the upper template 22 and the lower template 16.

Referring to fig. 1 and 2, a water cooling module 2 is arranged on a half die 1, and the water cooling module 2 is composed of a water pipe 4, a water pump 5, a water temperature regulator 6 and a water cooling interlayer 7. Wherein the cooling interlayer 7 is arranged in the mold wall of the half mold 1 and has the same shape as the mold cavity of the half mold 1. The water-cooling interlayer 7 is tightly attached to the mold cavity of the half mold 1, so that the contact area is increased, the water-cooling interlayer 7 can cool the whole mold cavity more uniformly, and the cooling effect is good; the water-cooling interlayer 7 is provided with a water inlet 12 and a water outlet 13, and two ends of the water pipe 4 are respectively communicated with the water inlet 12 and the water outlet 13. The diameter of the water inlet 12 is smaller than that of the connected water pipe 4, the pipe diameter is reduced, the instantaneous water speed of the water inlet 12 is accelerated, and the driving force is exerted on cooling water in the cooling interlayer 7; meanwhile, the internal convection of cooling water in the cold water interlayer 7 is accelerated, the internal heat transfer of the cooling water is accelerated, the cooling time is favorably shortened, and the production efficiency is improved; the lower template 16 is provided with a water inlet 19 matched with the water inlet 12, and the upper template 21 is provided with a water outlet 25 matched with the water outlet 13. Meanwhile, the water pipe 4 is also communicated with the water temperature regulator 6 and the water pump 5 respectively, so that the water pipe 4, the cooling interlayer 7, the water temperature regulator 6 and the water pump 5 form a closed loop, and the water temperature regulator 6 is used for cooling the die in a circulating mode under the condition that the water temperature is regulated by the water temperature regulator 6.

The half mould 1 is also provided with an air cooling assembly 3, the air cooling assembly 3 consists of an air cooler 8, an air inlet pipe 9, an air outlet pipe 10 and an air cooling interlayer 11, wherein the air cooling interlayer 11 is arranged in the mould wall of the half mould 1 and has the same shape as the mould cavity of the half mould 1, and the air cooling interlayer 11 is tightly attached to the water cooling interlayer 7. The air-cooling interlayer 11 is provided with an air inlet 14 and an air outlet 15, the upper template 21 is provided with an air inlet 26 matched with the air inlet 14, and the lower template 16 is provided with an air outlet 20 matched with the air outlet 15. The inlet pipe 9 passes through the inlet hole 26 to communicate with the inlet port 14, and the outlet pipe 10 passes through the outlet hole 20 to communicate with the outlet hole 15. The air inlet pipe 9 is also communicated with the air conditioner 8. The cold air provided by the air conditioner 8 is introduced into the air-cooling interlayer 11 through the air inlet pipe 9, and is changed into hot air after heat exchange is carried out in the air-cooling interlayer 11, and the hot air is discharged into the air along the air outlet pipe 9, so that the water-cooling interlayer 7 can be cooled, and the mold can be cooled. The movement direction of cooling water in the water cooling assembly 2 is opposite to that of cooling water in the air cooling assembly 3, so that the cooling uniformity is better. And by combining water cooling and air cooling, the cooling efficiency is further improved, the cooling time is shortened, and the production efficiency is improved.

Two symmetrical sliding grooves 17 are formed in the upper surface of the lower template 16, a sliding rail matched with the sliding grooves 17 is formed in the lower surface of each half die 1, and the half dies 1 are connected to the upper surface of the lower template 16 in a sliding mode through the matching of the sliding grooves 17 and the sliding rails. And the opposite side walls of the two supporting pieces 22 are respectively provided with an air cylinder 23, the output end of the air cylinder 23 is connected with a vertical push plate 24, and the vertical push plate 24 can push the half mould 1 under the driving of the air cylinder 23. During the use, cylinder 23 drive vertical push pedal 24, and then promote half mould 1, make two half mould 1 carry out the compound die under the combined action of spout 17 and slide rail, easy operation, labour saving and time saving has improved production efficiency.

The mould is provided with an air inlet cavity 27, the upper template 21 is provided with an auxiliary air inlet 18 matched with the air inlet cavity 27, and compressed air is blown into the cavity formed after the mould is closed through the air inlet cavity 27, so that the tube blank is tightly attached to the cavity and cooled to form a blow molding sample.

The implementation principle of the medical straw blow molding device in the embodiment of the application is as follows:

(1) the tube blank is extruded by an extruder and is clamped to a blow molding die by a manipulator.

(2) The vertical push plate 24 is driven by the air cylinder 23 to enable the two half molds 1 to be matched under the matching of the slide groove 17 and the slide rail 18.

(3) And a compressed air pipe is inserted into the air inlet cavity 27 to blow air into the pipe blank, so that the pipe blank expands and is tightly attached to the mold cavity to maintain pressure.

(4) And simultaneously opening the water cooling assembly 2 and the air cooling air system 3 to cool the die.

(5) After the tube blank is formed, the air cylinder 23 contracts and pulls back to drive the two half dies 1 to be separated under the matching of the sliding groove 17 and the sliding rail 18.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a medical treatment straw blow mold device which characterized in that: the mold comprises two half molds (1), wherein a water cooling assembly (2) and an air cooling assembly (3) are respectively arranged on the two half molds (1); the water cooling assembly (2) comprises a water pipe (4), a water pump (5), a water temperature regulator (6) and a water cooling interlayer (7); the water-cooling interlayer (7) is arranged in the mold wall of the half mold (1), and the water pump (5), the water temperature regulator (6) and the water-cooling interlayer (7) are respectively communicated with the water pipe (4); the air cooling assembly (3) comprises an air cooler (8), an air inlet pipe (9), an air outlet pipe (10) and an air cooling interlayer (11); the air-cooling interlayer (11) is arranged in the mold wall of the half mold (1) and is positioned outside the water-cooling interlayer (7), the air inlet pipe (9) and the air outlet pipe (10) are respectively communicated with the air-cooling interlayer (11), and the air inlet pipe (9) is also communicated with the air conditioner (8); the movement direction of cooling water in the water cooling assembly (2) is opposite to the movement direction of cooling water in the air cooling assembly (3).

2. The medical straw blow mold device according to claim 1, wherein: and a water inlet (12) and a water outlet (13) are arranged on the water-cooling interlayer (7), and two ends of the water pipe (4) are respectively communicated with the water inlet (12) and the water outlet (13).

3. The medical straw blow mold device according to claim 2, wherein: the diameter of the water inlet (12) is smaller than that of the water pipe (4) connected with the water inlet.

4. The medical straw blow mold device according to claim 1, wherein: the air cooling interlayer (11) is provided with an air inlet (14) and an air outlet (15), the air inlet (14) is communicated with the air inlet pipe (9), and the air outlet (15) is communicated with the air outlet pipe (10).

5. The medical straw blow mold device according to claim 1, wherein: still include lower bolster (16), be provided with spout (17) on lower bolster (16), half mould (1) bottom is provided with the slide rail that matches with spout (17), lower bolster (16) and half mould (1) are connected through spout (17) and slide rail cooperation.

6. The medical straw blow mold device according to claim 5, wherein: still include cope match-plate pattern (21), be equipped with two support pieces (22) between cope match-plate pattern (21) and lower bolster (16), two support pieces (22) symmetry set up.

7. The medical straw blow mold device according to claim 6, wherein: and the opposite side walls of the two supporting pieces (22) are respectively provided with an air cylinder (23), and the output end of the air cylinder (23) is connected with a vertical push plate (24) for pushing the half mould (1).

8. The medical straw blow mold device according to claim 7, wherein: an air inlet cavity (27) is arranged on the die, and an auxiliary air inlet (18) matched with the air inlet cavity (27) is arranged on the upper die plate (21).