Injection mold of urine sampling device for clinical detection

Abstract

The utility model belongs to the technical field of molds, and relates to an injection mold of a urine sampling device for clinical detection. The urine collecting cylinder forming die comprises a urine collecting cylinder forming lower die and a urine collecting cylinder forming upper die. In the injection molding process, the urine collecting cylinder forming lower mold and the urine collecting cylinder forming upper mold are close to each other, so that the insertion type built-in cooling forming structure is inserted into the collecting cylinder forming outer cylinder to form the cavities, and a molten material is injected into the cavities through the injection molding flow dividing piece; the splicing type sealing fixing piece can prevent molten materials from leaking from the lower portion, the sealing degree is improved, the bearing piece is used for bearing and fixing the splicing type sealing fixing piece, after injection molding is completed, cooling water is introduced into a built-in cooling structure and a spiral cooling part in the insertion type built-in cooling forming structure, internal and external dual cooling is adopted, and the sealing performance is improved. And the molded plastic part is subjected to large-area omnibearing cooling, internal and external cooling is consistent, the uniformity of the internal and external quality of the plastic part is improved, and the yield is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a urine sampling device injection mould for clinical detection. BACKGROUND

[0002] The urine sampling device for clinical detection is mainly in the shape of a measuring cup and is used for urine collection. The material is generally plastic, and the production is batch-produced through injection moulds. The existing urine sampling device mould for clinical detection is generally cooled by a cooling pipeline that is inserted into the mould and staggered with the plastic part after injection. This cooling method cannot cool the inside and outside of the plastic part comprehensively, and the cooling is uneven, which leads to poor uniformity of the quality of the inside and outside of the plastic part and low yield. Therefore, there is an urgent need to design a urine sampling device injection mould for clinical detection that can overcome the above defects.

[0003] In order to overcome the deficiencies of the prior art, people have explored various solutions. For example, a urine cup mould with accurate thread positioning is disclosed in Chinese patent [application number: 202023218540.7], which includes an upper fixed plate, a connecting plate, an injection port, a guide column, a lower fixed plate, a lower pad plate, and a mould core. The connecting plate is fixed above the upper fixed plate, the lower pad plate is arranged below the lower fixed plate, the guide column is arranged between the upper fixed plate and the lower fixed plate, the guide column passes through the upper fixed plate, the connecting plate, and the lower fixed plate, the mould core is arranged between the upper fixed plate and the lower fixed plate, the mould core includes an upper mould and a lower mould, the upper mould is arranged in the upper fixed plate, and the lower mould is fixed in the lower fixed plate. However, this scheme still cannot cool the inside and outside of the plastic part comprehensively after injection, and still easily causes uneven cooling, which leads to poor uniformity of the quality of the inside and outside of the plastic part and low yield. SUMMARY

[0004] The utility model aims at the above problem and provides a urine sampling device injection mould for clinical detection.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The urine sampling device injection mold for clinical detection comprises a urine collection cylinder forming lower mold and a urine collection cylinder forming upper mold, an injection diversion piece is arranged above the urine collection cylinder forming upper mold, a collection cylinder forming outer cylinder is arranged in the urine collection cylinder forming upper mold, an insertion type built-in cooling forming structure extending into the collection cylinder forming outer cylinder is arranged in the urine collection cylinder forming lower mold, the collection cylinder forming outer cylinder is provided with a spiral cooling part, a splicing type sealing fixing piece is arranged between the insertion type built-in cooling forming structure and the collection cylinder forming outer cylinder, a supporting piece is further arranged in the urine collection cylinder forming lower mold, and the splicing type sealing fixing piece is in abutting connection with the supporting piece.

[0007] In the urine sampling device injection mold for clinical detection, the insertion type built-in cooling forming structure comprises a collection cylinder forming inner cylinder arranged in the urine collection cylinder forming lower mold, the collection cylinder forming inner cylinder extends into the collection cylinder forming outer cylinder, a forming cavity is formed between the collection cylinder forming inner cylinder and the collection cylinder forming outer cylinder, and a built-in cooling piece is arranged in the collection cylinder forming inner cylinder.

[0008] In the urine sampling device injection mold for clinical detection, the built-in cooling piece comprises a built-in cooling pipe arranged in the collection cylinder forming inner cylinder, and the diameter of the built-in cooling pipe is smaller than the diameter of the collection cylinder forming inner cylinder.

[0009] In the urine sampling device injection mold for clinical detection, a plurality of annular cooling grooves are arranged on the built-in cooling pipe, and the plurality of annular cooling grooves are parallel to each other.

[0010] In the urine sampling device injection mold for clinical detection, an inner cylinder cover is arranged in the urine collection cylinder forming lower mold, and the inner diameter of the inner cylinder cover is greater than the outer diameter of the collection cylinder forming inner cylinder.

[0011] In the urine sampling device injection mold for clinical detection, the inner cylinder cover penetrates through the supporting piece and abuts against the top of the splicing type sealing fixing piece.

[0012] In the urine sampling device injection mold for clinical detection, the splicing type sealing fixing piece comprises a plurality of first sealing blocks and second sealing blocks arranged between the collection cylinder forming outer cylinder and the inner cylinder cover, when the first sealing blocks and the second sealing blocks are abutted, the inner walls of the first sealing blocks and the second sealing blocks abut against the outer wall of the collection cylinder forming inner cylinder, the top of the first sealing blocks and the second sealing blocks abut against the bottom of the collection cylinder forming outer cylinder, and the bottom abuts against the inner cylinder cover.

[0013] In the urine sampling device injection mold for clinical detection, the supporting piece comprises a supporting splicing plate arranged in the urine collection cylinder forming lower mold, and the first sealing blocks and the second sealing blocks abut against the supporting splicing plate, respectively.

[0014] The injection molding shunt comprises an injection main plate arranged above the urine collection cylinder forming upper die, and an injection shunt plate arranged at the bottom of the injection main plate.

[0015] In the injection molding mold for urine sampling device for clinical detection, the bottom of the injection shunt plate is provided with a plurality of injection tubes.

[0016] Compared with the prior art, the injection molding mold for urine sampling device for clinical detection has the following advantages:

[0017] 1、 the urine collection cylinder forming lower die and the urine collection cylinder forming upper die are close to each other in the injection molding process, so that the plug-in built-in cooling forming structure is inserted into the collection cylinder forming outer cylinder to form a cavity, the molten material is injected into the plurality of cavities through the injection molding shunt, the spliced sealing fixing piece can avoid leakage of the molten material from the lower part, improve the sealing degree, the supporting piece is used to support and fix the spliced sealing fixing piece, after the injection molding is completed, cooling water is introduced into the built-in cooling structure and the spiral cooling part in the plug-in built-in cooling forming structure, the inner and outer double cooling is adopted to cool the molded plastic parts in a large area and in all directions, the inner and outer cooling is consistent, the uniformity of the inner and outer quality of the plastic parts is improved, and the yield rate is improved.

[0018] 2、 the inner cylinder cover in the utility model is used for covering the collection cylinder forming inner cylinder, so that the collection cylinder forming inner cylinder is prevented from being exposed to air, and heat preservation is realized.

[0019] Other advantages, objects and features of the utility model will be embodied in part through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the utility model.

[0021] Figure 2 is a partial structural schematic view of the utility model.

[0022] Figure 3 is a partial structural schematic view of another direction of the utility model.

[0023] Figure 4 is a partial structural schematic view of another direction of the utility model.

[0024] In the figure: urine collection cylinder forming lower die 1, urine collection cylinder forming upper die 2, injection molding shunt 3, collection cylinder forming outer cylinder 4, plug-in built-in cooling forming structure 5, spiral cooling part 6, spliced sealing fixing part 7, supporting part 8, collection cylinder forming inner cylinder 9, built-in cooling part 10, built-in cooling pipe 11, annular cooling groove 12, inner cylinder cover 13, first sealing block 14, second sealing block 15, supporting spliced plate 16, injection molding main plate 17, injection molding shunt plate 18, injection molding pipe 19. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings below.

[0026] As Figures 1-4 shown, a urine sampling device injection mold for clinical detection, including urine collection cylinder forming lower die 1 and urine collection cylinder forming upper die 2, urine collection cylinder forming upper die 2 top is equipped with injection molding shunt 3, urine collection cylinder forming upper die 2 inside is equipped with collection cylinder forming outer cylinder 4, urine collection cylinder forming lower die 1 inside is equipped with the plug-in built-in cooling forming structure 5 of extension and into collection cylinder forming outer cylinder 4, collection cylinder forming outer cylinder 4 outside has spiral cooling part 6, the plug-in built-in cooling forming structure 5 and collection cylinder forming outer cylinder 4 between being equipped with spliced sealing fixing part 7, urine collection cylinder forming lower die 1 inside is still equipped with supporting part 8, spliced sealing fixing part 7 and supporting part 8 abutment and cooperate.

[0027] In the embodiment, in the injection molding process, urine collection cylinder forming lower die 1 and urine collection cylinder forming upper die 2 are close to each other, so that the plug-in built-in cooling forming structure 5 is inserted into the collection cylinder forming outer cylinder 4, and the forming cavity is formed, the molten material is injected into the plurality of cavities through the injection molding shunt 3, the spliced sealing fixing part 7 can avoid the molten material from leaking from the lower part, improve the sealing degree, the supporting part 8 is used to support and fix the spliced sealing fixing part 7, after the injection molding is completed, the cooling water is introduced into the built-in cooling structure and the spiral cooling part 6 of the plug-in built-in cooling forming structure 5, and the inner and outer double cooling is adopted to cool the molded plastic parts in a large area and all directions, the inner and outer cooling is consistent, the uniformity of the inner and outer quality of the plastic parts is improved, and the yield is improved.

[0028] As Figures 1-4 shown, the plug-in built-in cooling forming structure 5 includes a collection cylinder forming inner cylinder 9 arranged in the urine collection cylinder forming lower die 1, the collection cylinder forming inner cylinder 9 extends into the collection cylinder forming outer cylinder 4 at the upper part, the collection cylinder forming inner cylinder 9 and the collection cylinder forming outer cylinder 4 form a forming cavity, and the collection cylinder forming inner cylinder 9 is provided with a built-in cooling part 10.

[0029] Specifically, in the injection molding process, the collection cylinder is formed on the upper part of the inner cylinder 9 and extends into the outer cylinder 4 of the collection cylinder forming, forming a molding cavity for molding plastic parts. After the injection molding is completed, the cooling water can be cooled all-round to the inner wall of the plastic parts through the built-in cooling part 10, reducing the cooling dead angle.

[0030] In combination Figure 1 , Figure 4 As shown in the drawings, the built-in cooling part 10 includes a built-in cooling pipe 11 arranged in the inner cylinder 9 of the collection cylinder forming, and the diameter of the built-in cooling pipe 11 is smaller than that of the inner cylinder 9 of the collection cylinder forming. The built-in cooling pipe 11 is provided with a plurality of annular cooling grooves 12, and the plurality of annular cooling grooves 12 are parallel to each other.

[0031] In this embodiment, after the injection molding is completed, the cooling water can be cooled all-round to the inner wall of the plastic parts through the built-in cooling pipe 11, reducing the cooling dead angle. The annular cooling grooves 12 increase the capacity of the cooling water, increase the cooling time, and enhance the cooling effect.

[0032] In combination Figure 3 As shown in the drawings, the inner cylinder cover 13 is arranged in the lower die 1 of the collection cylinder forming, and the inner diameter of the inner cylinder cover 13 is greater than the outer diameter of the inner cylinder 9 of the collection cylinder forming. The inner cylinder cover 13 penetrates through the supporting part 8 and abuts against the top of the spliced sealing fixing part 7.

[0033] In this embodiment, the inner cylinder cover 13 is used to cover the inner cylinder 9 of the collection cylinder forming, so as to avoid the inner cylinder 9 of the collection cylinder forming being exposed to the air and to achieve heat preservation.

[0034] The spliced sealing fixing part 7 includes a plurality of first sealing blocks 14 and second sealing blocks 15 arranged between the outer cylinder 4 of the collection cylinder forming and the inner cylinder cover 13. When the first sealing block 14 and the second sealing block 15 are attached, the inner wall of the first sealing block 14 and the second sealing block 15 abuts against the outer wall of the inner cylinder 9 of the collection cylinder forming, the top of the first sealing block 14 and the second sealing block 15 abuts against the bottom of the outer cylinder 4 of the collection cylinder forming, and the bottom abuts against the inner cylinder cover 13.

[0035] In this embodiment, during the injection molding process, the first sealing block 14 and the second sealing block 15 are attached, the inner wall of the first sealing block 14 and the second sealing block 15 abuts against the outer wall of the inner cylinder 9 of the collection cylinder forming, the top of the first sealing block 14 and the second sealing block 15 abuts against the bottom of the outer cylinder 4 of the collection cylinder forming, and the bottom abuts against the inner cylinder cover 13. In this way, the inner cylinder 9 of the collection cylinder forming is fixed, the shaking or position deviation of the inner cylinder 9 of the collection cylinder forming is avoided, the leakage of the molten material from the lower part is avoided, and the sealing degree is improved.

[0036] In combination Figures 2-4As shown, the supporting piece 8 includes a supporting splice plate 16 arranged in the urine collection tube forming lower die 1, and the first sealing block 14 and the second sealing block 15 abut against the supporting splice plate 16, respectively.

[0037] In the embodiment, the supporting splice plate 16 is used to support and fix the first sealing block 14 and the second sealing block 15, so as to avoid the first sealing block 14 and the second sealing block 15 from sliding downward.

[0038] In combination Figure 1 , Figure 2 As shown, the injection molding shunt 3 includes an injection molding main plate 17 arranged above the urine collection tube forming upper die 2, the bottom of the injection molding main plate 17 is provided with an injection molding shunt plate 18, and the bottom of the injection molding shunt plate 18 is provided with a plurality of injection molding pipes 19.

[0039] In the embodiment, during injection molding, the molten material is injected into the injection molding shunt plate 18 through the injection molding main plate 17, and after shunting, the molten material is sent into a plurality of cavities through the plurality of injection molding pipes 19, so as to complete injection molding.

[0040] The working principle of the utility model is as follows:

[0041] During injection molding, the urine collection tube forming lower die 1 and the urine collection tube forming upper die 2 are close to each other, the upper part of the collection tube forming inner cylinder 9 extends into the collection tube forming outer cylinder 4 to form a cavity for forming a plastic part, the molten material is injected into the injection molding shunt plate 18 through the injection molding main plate 17, and after shunting, the molten material is sent into a plurality of cavities through the plurality of injection molding pipes 19, so as to complete injection molding, the first sealing block 14 and the second sealing block 15 are abutted, the inner wall of the first sealing block 14 and the second sealing block 15 abuts against the outer wall of the collection tube forming inner cylinder 9, the top of the first sealing block 14 and the second sealing block 15 abuts against the bottom of the collection tube forming outer cylinder 4, and the bottom abuts against the inner cylinder cover body 13, so as to fix the collection tube forming inner cylinder 9, avoid the collection tube forming inner cylinder 9 from shaking or position deviation, and avoid the molten material from leaking from the lower part, improve the sealing degree, the supporting splice plate 16 is used to support and fix the first sealing block 14 and the second sealing block 15, so as to avoid the first sealing block 14 and the second sealing block 15 from sliding downward, after completing injection molding, cooling water is introduced into the built-in cooling pipe 11 and the spiral cooling part 6, internal and external double cooling is adopted to perform large-area and all-around cooling on the formed plastic part, the internal and external cooling is consistent, the uniformity of the internal and external quality of the plastic part is improved, and the yield is improved,

[0042] After completing injection molding, the cooling water can perform all-around cooling on the inner wall of the plastic part through the built-in cooling pipe 11, the cooling dead angle is reduced, the annular cooling groove 12 increases the containing capacity of the cooling water, increases the cooling time, and enhances the cooling effect, and the inner cylinder cover body 13 is used to cover the collection tube forming inner cylinder 9, so as to avoid the collection tube forming inner cylinder 9 from being exposed to air and realize heat preservation.

[0043] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application.

[0044] Although the terms urine collection tube forming lower die 1, urine collection tube forming upper die 2, injection molding shunt 3, collection tube forming outer cylinder 4, plug-in built-in cooling forming structure 5, spiral cooling part 6, spliced sealing fixing part 7, supporting part 8, collection tube forming inner cylinder 9, built-in cooling part 10, built-in cooling pipe 11, annular cooling groove 12, inner cylinder cover 13, first sealing block 14, second sealing block 15, supporting splicing plate 16, injection molding main plate 17, injection molding shunt plate 18, injection molding pipe 19, etc. are used more frequently in this article, but the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the present application. Any additional limitation by interpreting them is contrary to the spirit of the present application.

Claims

1. A urine sampling device injection mold for clinical testing, comprising a urine collection tube forming lower mold (1) and a urine collection tube forming upper mold (2), characterized in that, The urine collection cylinder forming upper die (2) is provided with an injection molding shunt (3) above, the urine collection cylinder forming upper die (2) is provided with a collection cylinder forming outer cylinder (4) inside, the urine collection cylinder forming lower die (1) is provided with an insert type built-in cooling forming structure (5) extending into the collection cylinder forming outer cylinder (4) inside, the collection cylinder forming outer cylinder (4) is provided with a spiral cooling part (6) outside, the insert type built-in cooling forming structure (5) and the collection cylinder forming outer cylinder (4) are provided with a splicing type sealing fixing part (7), the urine collection cylinder forming lower die (1) is further provided with a supporting part (8), and the splicing type sealing fixing part (7) and the supporting part (8) are in abutting connection.

2. The injection mold for a urine sampling device for clinical testing according to claim 1, characterized in that The insert type built-in cooling forming structure (5) comprises a collection cylinder forming inner cylinder (9) arranged in the urine collection cylinder forming lower die (1), the collection cylinder forming inner cylinder (9) extends into the collection cylinder forming outer cylinder (4) inside, and the collection cylinder forming inner cylinder (9) and the collection cylinder forming outer cylinder (4) form a forming cavity.

3. The injection mold for a urine sampling device for clinical testing according to claim 2, wherein The built-in cooling part (10) comprises a built-in cooling pipe (11) arranged in the collection cylinder forming inner cylinder (9), and the diameter of the built-in cooling pipe (11) is smaller than the diameter of the collection cylinder forming inner cylinder (9).

4. The injection mold for a urine sampling device for clinical testing according to claim 3, wherein The built-in cooling pipe (11) is provided with a plurality of annular cooling grooves (12), and the plurality of annular cooling grooves (12) are parallel to each other.

5. The injection mold for a urine sampling device for clinical testing according to claim 4, wherein, The urine collection cylinder forming lower die (1) is provided with an inner cylinder cover body (13), and the inner diameter of the inner cylinder cover body (13) is greater than the outer diameter of the collection cylinder forming inner cylinder (9).

6. The injection mold for a urine sampling device for clinical testing according to claim 5, wherein, The inner cylinder cover body (13) penetrates through the supporting part (8) and abuts against the top of the splicing type sealing fixing part (7).

7. The injection mold for a urine sampling device for clinical testing according to claim 6, characterized in that The splicing type sealing fixing part (7) comprises a plurality of first sealing blocks (14) and second sealing blocks (15) arranged between the collection cylinder forming outer cylinder (4) and the inner cylinder cover body (13), when the first sealing blocks (14) and the second sealing blocks (15) are abutted, the inner walls of the first sealing blocks (14) and the second sealing blocks (15) abut against the outer wall of the collection cylinder forming inner cylinder (9), the top of the first sealing blocks (14) and the second sealing blocks (15) abut against the bottom of the collection cylinder forming outer cylinder (4), and the bottom abuts against the inner cylinder cover body (13).

8. The injection mold for a urine sampling device for clinical testing according to claim 7, characterized in that The supporting part (8) comprises a supporting splicing plate (16) arranged in the urine collection cylinder forming lower die (1), and the first sealing blocks (14) and the second sealing blocks (15) abut against the supporting splicing plate (16) respectively.

9. The injection mold for a urine sampling device for clinical testing of claim 1, wherein, The injection molding shunt (3) comprises an injection molding main plate (17) arranged above the urine collection cylinder forming upper die (2), and the bottom of the injection molding main plate (17) is provided with an injection molding shunt plate (18).

10. The injection mold for a urine sampling device for clinical testing according to claim 9, wherein, The bottom of the injection molding shunt plate (18) is provided with a plurality of injection molding pipes (19).

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