CN218615292U

CN218615292U - Injection mold for sample adding needle for nucleic acid detection

Info

Publication number: CN218615292U
Application number: CN202221603699.7U
Authority: CN
Inventors: 吴端华
Original assignee: Dongguan Zhongrui Mutual Trust Biotechnology Co ltd
Current assignee: Dongguan Zhongrui Mutual Trust Biotechnology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-03-14
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a nucleic acid detects uses application of sample needle injection mold relates to injection mold technical field. L type fixed plate is installed to one side of PMKD upper end, the internally mounted of L type fixed plate upper end has elevating system, the mould is installed to elevating system's lower extreme, the PMKD upper end is located one side of mould lower extreme and installs fixed base platform, the bed die is installed to the upper end of fixed base platform, coolant tank is installed to the opposite side of PMKD upper end, still includes fixed inner shell, fixed inner shell is installed in the intermediate position department of coolant tank upper end, the internally mounted of fixed inner shell has the semiconductor refrigerator, the heat pipe is installed to the refrigeration end of semiconductor refrigerator, a plurality of stirring rakes are installed to the outside both sides of heat pipe. The cooling speed of the cooling liquid is increased by conducting refrigeration through the heat conduction pipe and matching with liquid flow, and the cooling efficiency is improved by cooling the cooling liquid.

Description

Injection mold for sample adding needle for nucleic acid detection

Technical Field

The utility model relates to an injection mold technical field specifically is a nucleic acid detects uses application of sample needle injection mold.

Background

In nucleic acid detection, it is usually necessary to transfer the position of the sample to the sample application needle, and the sample application needle is produced by using an injection mold. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the method comprises the steps of injecting molten plastic into a mold cavity from an injection molding machine at high pressure, and cooling and solidifying to obtain a formed product.

For example, chinese patent No. CN214773832U (an injection mold for medical injection needle tube): the cooling device comprises an upper die and a lower die, wherein a cooling interlayer is arranged in the die wall of the lower die, a plurality of prefabricated baffles are transversely arranged in the cooling interlayer at intervals, and the prefabricated baffles are provided with a plurality of through holes.

Above-mentioned prior art improves cooling rate through the velocity of flow who accelerates rivers, and the heat exchange efficiency who only improves rivers through the velocity of flow leads to the cooling effect relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nucleic acid detects uses application of sample needle injection mold to solve the lower problem of injection mold cooling efficiency who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nucleic acid detects uses application of sample needle injection mold, includes PMKD, L type fixed plate is installed to one side of PMKD upper end, the internally mounted of L type fixed plate upper end has elevating system, the mould is installed to elevating system's lower extreme, the one side that the PMKD upper end is located the mould lower extreme installs fixed bottom platform, the bed die is installed to the upper end of fixed bottom platform, radiator is installed to the opposite side of PMKD upper end, still includes fixed inner shell, fixed inner shell is installed in the intermediate position department of radiator upper end, and fixed inner shell rotates with radiator to be connected, the internally mounted of fixed inner shell has the semiconductor refrigerator, the heat pipe is installed to the refrigeration end of semiconductor refrigerator, and the heat pipe extends to radiator's inside, a plurality of stirring rakes are installed to the outside both sides of heat pipe, fixed apical shell is all installed to the both sides of radiator upper end, the internally mounted of fixed apical shell has a driving motor, drive gear is installed to a driving motor's output, the externally mounted of fixed inner shell has the transmission ring gear, and drive gear and be connected with the meshing of transmission ring, the water pump is installed to one side of the inside lower extreme of radiator, the outlet pipe is installed the water pump, and is linked together with the cooling channel.

Preferably, the inside of going up the mould is provided with cooling channel, and goes up cooling channel and last mould integrated into one piece, go up cooling channel's lower extreme and install the connector head.

Preferably, one side of going up the mould lower extreme is provided with sealed piece, and sealed piece and last mould fixed connection, the upper end of bed die is provided with the seal groove.

Preferably, the sealing block is matched with the sealing groove, and the sealing groove and the lower die are integrally formed.

Preferably, a second driving motor is arranged at the upper end of the semiconductor refrigerator, and fan blades are mounted at the output end of the second driving motor.

Preferably, a water inlet pipe is arranged on one side of the outer portion of the upper end of the cooling water tank, and the water inlet pipe is fixedly connected with the cooling water tank.

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

1. the utility model discloses an use the inlet tube to pour into cooling liquid into in the cooling water tank, start semiconductor refrigerator and a driving motor, the drive gear of a driving motor output rotates, drive gear makes the heat pipe of fixed inner shell and lower extreme rotate thereupon with the transmission of the outside transmission ring gear of fixed inner shell under the meshing effect, the outside stirring rake of heat pipe stirs cooling liquid, cooling rate through heat pipe conduction refrigeration cooperation liquid flow accelerated cooling liquid, through cooling liquid improvement cooling efficiency.

2. The utility model discloses an use the injection with high temperature melting's plastics injection bed die, fall down through elevating system and go up the mould and make it merge with the bed die, go up the inside connector head of mould and the inside lower cooling channel of bed die and be connected to make and go up cooling channel and be connected with cooling channel down, confirm the water pump and make the cooling water get into down cooling channel and go up cooling channel and carry out the cooling operation to the inside of last mould and bed die.

3. The utility model discloses a when semiconductor cooler used, start second driving motor, the flabellum of its output rotates and produces the air current and makes the heat in semiconductor cooler system hot junction along with the air current discharges.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partially enlarged view of the area a in fig. 1 according to the present invention;

fig. 3 is a partially enlarged view of the area B in fig. 1 according to the present invention.

In the figure: 1. fixing a bottom plate; 2. fixing the base platform; 3. a lower die; 4. an L-shaped fixing plate; 5. a lifting mechanism; 6. an upper die; 7. an upper cooling channel; 8. a lower cooling channel; 9. a sealing groove; 10. a sealing block; 11. connecting the pipe heads; 12. a cooling water tank; 13. a water inlet pipe; 14. a water outlet pipe; 15. a water pump; 16. fixing the inner shell; 17. fixing the top shell; 18. a first drive motor; 19. a drive gear; 20. a transmission gear ring; 21. a semiconductor refrigerator; 22. a second drive motor; 23. a fan blade; 24. a heat conduction pipe; 25. and (4) a stirring paddle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a nucleic acid detects uses application of sample needle injection mold, including PMKD 1, one side of PMKD 1 upper end is installed L type fixed plate 4,L type fixed plate 4 upper end internally mounted and is had elevating system 5, the lower extreme of elevating system 5 is installed and is gone up mould 6, one side that PMKD 1 upper end lies in last mould 6 lower extreme is installed and is had fixed bottom platform 2, lower mould 3 is installed to the upper end of fixed bottom platform 2, coolant tank 12 is installed to the opposite side of PMKD 1 upper end, still include fixed inner shell 16, fixed inner shell 16 is installed in the intermediate position department of coolant tank 12 upper end, and fixed inner shell 16 rotates with coolant tank 12 and is connected, the internally mounted of fixed inner shell 16 has semiconductor refrigerator 21, semiconductor refrigerator 21's refrigeration end installs heat pipe 24, and heat pipe 24 extends to the inside of coolant tank 12, a plurality of stirring oar 25 are installed to the both sides outside the heat pipe 24, fixed top shell 17 is all installed to both sides of coolant tank 12 upper end, the internally mounted of fixed top shell 17 has first driving motor 18, the output of first driving gear is installed to the output of fixed inner shell 16, the external mounting has transmission ring 20, and the transmission ring 20 meshes with the transmission ring 20, one side of the coolant tank is connected, the cooling water pump 14, and the cooling water pump is installed to the cooling water pump 14 of the cooling water tank, the cooling liquid outlet pipe is installed and has improved cooling liquid flow through cooling water pump and has improved cooling liquid cooling efficiency, cooling water pump 14, the cooling water pump 14.

Referring to fig. 1, an upper cooling channel 7 is disposed inside an upper mold 6, the upper cooling channel 7 and the upper mold 6 are integrally formed, and a connector 11 is installed at a lower end of the upper cooling channel 7.

Referring to fig. 1 and 3, a sealing block 10 is disposed on one side of the lower end of the upper mold 6, the sealing block 10 is fixedly connected to the upper mold 6, a sealing groove 9 is disposed at the upper end of the lower mold 3, and the sealing block 10 improves the sealing property.

Referring to fig. 1 and 3, the sealing block 10 is adapted to the sealing groove 9, and the sealing groove 9 is integrally formed with the lower mold 3.

Referring to fig. 1, a second driving motor 22 is disposed at an upper end of the semiconductor refrigerator 21, a fan blade 23 is mounted at an output end of the second driving motor 22, and the fan blade 23 rotates to dissipate heat of the semiconductor refrigerator 21.

Referring to fig. 1, a water inlet pipe 13 is disposed at one side of the outside of the upper end of the cooling water tank 12, the water inlet pipe 13 is fixedly connected to the cooling water tank 12, and the water inlet pipe 13 is used for injecting cooling liquid.

The working principle is as follows: when the cooling device is used, high-temperature molten plastic is injected into the lower die 3 by using an injection agent, the upper die 6 is lowered by the lifting mechanism 5 to be combined with the lower die 3, the connector 11 in the upper die 6 is connected with the lower cooling channel 8 in the lower die 3, so that the upper cooling channel 7 is connected with the lower cooling channel 8, the water pump 15 is determined to enable cooling water to enter the lower cooling channel 8 and the upper cooling channel 7 to cool the interiors of the upper die 6 and the lower die 3, the cooling water is injected into the cooling water tank 12 by using the water inlet pipe 13, the semiconductor refrigerator 21 and the first driving motor 18 are started, the driving gear 19 at the output end of the first driving motor 18 rotates, the driving gear 19 and the transmission gear ring 20 outside the fixed inner shell 16 are in meshing action, so that the fixed inner shell 16 and the heat conduction pipe 24 at the lower end rotate along with the fixed inner shell 16, the stirring paddle 25 outside the heat conduction pipe 24 stirs the cooling liquid, the cooling liquid flows by conducting refrigeration matching with the heat pipe 24, the cooling speed of the cooling liquid is accelerated, the cooling liquid is increased by cooling efficiency by cooling liquid, and when the semiconductor refrigerator 21 is used, the second driving motor 22 is started, and the heat 23 at the output end of the semiconductor refrigerator generates air flow to discharge heat along with the heat of the semiconductor air flow generated by the semiconductor refrigerator 21.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a nucleic acid detects uses application of sample needle injection mold, includes PMKD (1), L type fixed plate (4) are installed to one side of PMKD (1) upper end, internally mounted has elevating system (5) on L type fixed plate (4), mould (6) are installed to the lower extreme of elevating system (5), PMKD (1) upper end is located one side of mould (6) lower extreme and installs solid fixed base platform (2), bed die (3) are installed to the upper end of solid fixed base platform (2), coolant tank (12), its characterized in that are installed to the opposite side of PMKD (1) upper end: also comprises a fixed inner shell (16), the fixed inner shell (16) is arranged at the middle position of the upper end of the cooling water tank (12), and the fixed inner shell (16) is rotationally connected with the cooling water tank (12), a semiconductor refrigerator (21) is arranged in the fixed inner shell (16), a heat conducting pipe (24) is arranged at the refrigerating end of the semiconductor refrigerator (21), and the heat pipe (24) extends to the inside of the cooling water tank (12), a plurality of stirring paddles (25) are arranged on the two sides of the outside of the heat conducting pipe (24), both sides of the upper end of the cooling water tank (12) are provided with fixed top shells (17), a first driving motor (18) is arranged in the fixed top shell (17), the output end of the first driving motor (18) is provided with a driving gear (19), a transmission gear ring (20) is arranged outside the fixed inner shell (16), and the driving gear (19) is meshed with the transmission gear ring (20), a water pump (15) is arranged on one side of the lower end in the cooling water tank (12), the output end of the water pump (15) is provided with a water outlet pipe (14), and the water outlet pipe (14) penetrates and extends to the outside of the cooling water tank (12), a lower cooling channel (8) is arranged in the lower die (3), and the water outlet pipe (14) is communicated with the lower cooling channel (8).

2. The injection mold for the sampling needle for nucleic acid detection according to claim 1, wherein: go up the inside of mould (6) and be provided with cooling channel (7), and go up cooling channel (7) and last mould (6) integrated into one piece, connecting tube head (11) are installed to the lower extreme of going up cooling channel (7).

3. The injection mold for the sample injection needle for nucleic acid detection according to claim 1, wherein: one side of the lower end of the upper die (6) is provided with a sealing block (10), the sealing block (10) is fixedly connected with the upper die (6), and the upper end of the lower die (3) is provided with a sealing groove (9).

4. The injection mold for the sample injection needle for nucleic acid detection according to claim 3, wherein: the sealing block (10) is matched with the sealing groove (9), and the sealing groove (9) and the lower die (3) are integrally formed.

5. The injection mold for the sample injection needle for nucleic acid detection according to claim 1, wherein: and a second driving motor (22) is arranged at the upper end of the semiconductor refrigerator (21), and fan blades (23) are installed at the output end of the second driving motor (22).

6. The injection mold for the sampling needle for nucleic acid detection according to claim 1, wherein: and a water inlet pipe (13) is arranged on one side of the outer part of the upper end of the cooling water tank (12), and the water inlet pipe (13) is fixedly connected with the cooling water tank (12).