Purifier pipeline forming die

Abstract

The utility model discloses a purifier pipeline forming die which comprises die plates which are oppositely arranged up and down and die core assemblies arranged on the die plates, the die core assemblies are oppositely closed along with the die closing action and form a cavity, and concave cavities used for containing the die core assemblies are formed in the die plates. And a heat insulation pad is arranged between the concave cavity and the mold core assembly, a maintaining component is further arranged on the heat insulation pad, the maintaining component restrains the appearance of the heat insulation pad, the interior of the mold core assembly communicates with a heating oil way, and the uniformity of the forming temperature in the cavity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold forming equipment, in particular to a forming mold for a purifier pipeline. Background Art

[0002] At present, in mold processing and molding, especially for the molding of medical purifier pipes, the purifier pipes have a long axial dimension and a thin outer wall, which makes the molding of such products difficult, and it is necessary to maintain the stability of the cavity temperature during the molding process. The purifier pipe molding module in the prior art usually connects the molding mold core directly to the module, which will cause the heat in the cavity to be conducted, resulting in large heat loss and uneven heat, affecting the fluidity of the casting, resulting in poor molding quality of the purifier pipe. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a forming die for a purifier pipe.

[0004] The above technical purpose of the utility model is achieved through the following technical scheme: a forming mold for a purifier pipe, comprising templates relatively arranged up and down, and a mold core assembly arranged on the template, the mold core assembly is relatively closed with the mold closing action and forms a cavity, the template is provided with a concave cavity for accommodating the mold core assembly, a thermal insulation pad is provided between the concave cavity and the mold core assembly, a retaining member is also arranged on the thermal insulation pad, the retaining member constrains the shape of the thermal insulation pad, and a heating oil circuit is connected to the inside of the mold core assembly.

[0005] Furthermore, the thermal insulation pad is abutted between the mold core assembly and the inner surface of the cavity, and the retaining member includes a plurality of first retaining members evenly arranged on the thermal insulation board, and the thermal insulation board is provided with a first matching groove for accommodating the first retaining member, and the contour of the first retaining member matches the first matching groove and is fixedly connected to the template.

[0006] Furthermore, the retaining member also includes a second retaining member arranged on the relatively outer side of the thermal insulation pad, the second retaining member passes through the thermal insulation pad and is fixedly connected to the template, and the second retaining member is provided with an abutting portion for abutting the thermal insulation pad against the surface of the concave cavity, and a second connecting portion fixedly connected to the template, and the abutting portion is embedded in the thermal insulation pad.

[0007] Furthermore, a bolt connector is provided on the template, and the bolt connector passes through the thermal insulation pad and is fixedly connected to the mold core assembly.

[0008] Furthermore, a pouring assembly is provided in the middle of the template, and the pouring assembly includes a pouring tube connected to the cavity, the pouring tube is passed through the center of the insulation pad, the first retaining member is arranged on both sides of the pouring tube, the second retaining member is arranged on the outside of the first retaining member, and the bolt connection member is arranged in parallel with the second retaining member.

[0009] Furthermore, the mold cavities are arranged at intervals on both sides of the pouring tube, the retaining members are arranged in sequence along the length direction of the mold cavities, and the retaining members are also arranged between two mold cavities.

[0010] Furthermore, a side wall of the cavity is provided with a supporting portion facing the mold core assembly, the supporting portions are arranged at intervals with respect to the outer contour of the mold core assembly, and a heat-insulating space is formed between adjacent supporting portions.

[0011] Furthermore, the template is divided into an upper template and a lower template. The lower template is provided with a first molding component and a second molding component placed at both ends of the cavity. The upper template is provided with a diagonal rod. The diagonal rod passes through the first molding component and drives the first molding component to leave the cavity as the upper template opens. The back of the second molding component is connected to an actively controlled linear actuator cylinder, and the linear actuator cylinder drives the second molding component to leave the cavity.

[0012] Furthermore, the first molding component includes a molding block inserted into the molding cavity, and the molding block closes the molding groove at the end of the molding cavity; the second molding component includes an inner molding rod passing through the molding cavity, the inner molding rod abuts against the molding groove, and the molding block is covered outside the purifier pipe after molding is completed, and the inner molding rod is passed through the purifier pipe after molding is completed.

[0013] Furthermore, the first molding component also includes a first connecting block connected to the inclined rod, and the molding block is connected to the first connecting block; the second molding component also includes a second connecting block fixedly connected between the output end of the linear actuator cylinder and the inner molding rod; a spacer is provided in the inner molding rod and the molding block, and a connected ventilation cavity is formed on both sides of the spacer, and the first connecting block and the second connecting block are correspondingly provided with an air inlet and outlet assembly connected to the ventilation cavity.

[0014] Compared with the prior art, the utility model has the following advantages and beneficial effects: by arranging a heat insulating pad between the mold core assembly and the template, and separating a heat insulating gap between the concave cavity of the template and the mold core assembly, the heat transfer between the mold core assembly and the template is effectively reduced, and the heat insulating pad has a heat preservation effect on the cavity, reducing heat loss, so as to ensure the fluidity of the pouring material during the molding process, so that the pouring material can fully fill the cavity, and improve the molding quality of the purifier pipeline;

[0015] In the utility model, a retaining component is also provided on the thermal insulation pad. The retaining component is evenly arranged on the thermal insulation pad and can be partially embedded in the thermal insulation pad, thereby avoiding deformation of the thermal insulation pad in a high-temperature molding environment, ensuring the fit between the thermal insulation pad and the mold core assembly, and improving the uniformity of the molding temperature in the cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall structure of the utility model from another angle;

[0018] Figure 3 It is a cross-sectional view of the pouring pipe of the utility model;

[0019] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0020] Figure 5 It is a cross-sectional view of the cavity of the utility model;

[0021] Figure 6 for Figure 5 The enlarged view of point B in the middle;

[0022] Figure 7 This is a schematic diagram of the arrangement of the thermal insulation pad of the utility model;

[0023] Figure 8 It is a schematic diagram of the structure of the first molding component and the second molding component of the utility model;

[0024] Fig. 9 It is a schematic diagram of the air passage in the inner forming tube and the second connecting block of the utility model;

[0025] Fig.10 It is a schematic diagram of the air passage in the forming block and the first connecting block of the utility model;

[0026] Fig.11 It is a schematic diagram of the oil circuit in the thermal insulation pad of the utility model;

[0027] Fig.12 It is a schematic diagram of the arrangement of the bolt connection member of the utility model;

[0028] In the figure: 1. Formwork; 1.1. Upper formwork; 1.2. Lower formwork; 1.3. Casting pipe;

[0029] 2. Mold core assembly; 2.1. Upper mold core; 2.2. Lower mold core; 2.3. Oil passage; 2.4. Inlet and outlet oil pipe connectors;

[0030] 3. Cavity; 4. Concave cavity; 4.1. Supporting part; 4.2. Heat insulation space;

[0031] 5. Insulation pad; 5.1. First matching groove; 5.2. Second matching groove;

[0032] 6. Maintain components;

[0033] 6.1. first holding member; 6.11. holding portion; 6.12. first connecting portion;

[0034] 6.2, second retaining member; 6.21, abutment portion; 6.22, second connecting portion;

[0035] 7. Bolted connectors;

[0036] 8. First molding assembly; 8.1. Molding block; 8.2. Molding groove; 8.3. First connecting block;

[0037] 9. Second forming assembly; 9.1. Inner forming rod; 9.2. Second connecting block;

[0038] 10. Spacer; 12. Ventilation chamber; 13. Actuator cylinder; 14. Inclined tie rod; 15. Airway; 16. Inlet and outlet air pipe connectors; DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] It should be understood that although the terms upper, middle, lower, top, end, etc. appear in this article to describe various elements, these elements are not limited by these terms. These terms are only used to distinguish elements from each other for easy understanding, and are not used to define any direction or order limitation.

[0041] like Figure 1-12 As shown, a forming mold for a purifier pipe comprises a template 1 arranged relatively to each other up and down, and a mold core assembly 2 arranged on the template 1, the template 1 is divided into an upper template 1.1 and a lower template 1.2 in terms of the upper and lower mold closing directions, and the mold core assembly 2 is respectively arranged on the upper template 1.1 and the lower template 1.2, so that the mold core assembly 2 is relatively closed with the mold closing action, thereby forming a cavity 3 for forming the purifier pipe;

[0042] Among them, from Figure 4 and Figure 6It can be seen that the template 1 is provided with a cavity 4 for accommodating the mold core assembly 2, and an insulation pad 5 is provided between the cavity 4 and the mold core assembly 2. The insulation pad 5 separates the template 1 from the mold core assembly 2, thereby reducing the heat transfer between the mold core assembly 2 and the template 1, and the heat loss of the temperature of the cavity 3.

[0043] In the utility model, in order to prevent the thermal insulation pad 5 from deforming under the influence of high temperature and molding pressure, a retaining member 6 is further arranged on the thermal insulation pad 5, and the retaining member 6 is at least partially inserted into the thermal insulation pad 5 to constrain the shape of the thermal insulation pad 5 through the retaining member 6, and a heating oil circuit is connected to the inside of the mold core assembly 2, wherein the mold core assembly 2 is divided into an upper mold core 2.1 fixed on the upper mold plate 1.1, and a lower mold core 2.2 fixed on the lower mold plate 1.2, a thermal insulation pad 5 is provided between the upper mold plate 1.1 and the upper mold core 2.1, and a thermal insulation pad 5 is provided between the lower mold plate 1.2 and the lower mold core 2.2, and heating oil circuits are provided inside the upper mold core 2.1 and the lower mold core 2.2, so as to ensure the temperature of the cavity 3 during molding through the heating oil circuit.

[0044] Preferably, two adjacent horizontal cavities 3 are formed by closing the mold of the module assembly, the projection of the thermal insulation pad 5 covers the two cavities 3 to ensure the thermal insulation effect of the thermal insulation pad 5 on the cavities 3, and a casting assembly is arranged between the two cavities 3.

[0045] like Fig.11 As shown, as an implementation method of the heating oil circuit, the outer surfaces of the upper mold core 2.1 and the lower mold core 2.2 are provided with an oil circuit inlet and an oil circuit outlet, and the upper mold core 2.1 and the lower mold core 2.2 are provided with an oil circuit channel 2.3. The oil circuit channel 2.3 corresponds to the contour setting of the upper and lower mold cores 2.2 and passes through two adjacent cavities 3 between the mold core assembly 2.

[0046] Specifically, the oil circuit channel 2.3 has a first oil circuit extending in the length direction of the cavity 3, and a second oil circuit passing between two adjacent cavities 3. The first oil circuit is connected to the second oil circuit, and connects the oil circuit inlet and the oil circuit outlet, forming a high-temperature oil circulation in the mold core assembly 2, thereby improving the temperature stability of the cavity 3 inside the mold core assembly 2.

[0047] The oil passage 2.3 is also connected to an oil inlet and outlet pipe connector 2.4.

[0048] like Figure 4 and Figure 6 As shown, as a further embodiment of the thermal insulation pad 5 and the retaining member 6, the thermal insulation pad 5 is abutted between the mold core assembly 2 and the inner surface of the cavity 4, and the retaining member 6 includes a plurality of first retaining members evenly arranged on the thermal insulation board, and the thermal insulation board is provided with a first matching groove 5.1 for accommodating the first retaining member, and the contour of the first retaining member matches the first matching groove 5.1 and is fixedly connected to the template 1.

[0049] Specifically, the first retaining member includes a retaining portion 6.11 and a first connecting portion 6.12 extending from the retaining portion 6.11, wherein the retaining portion 6.11 is inserted into the first matching groove 5.1 of the thermal insulation pad 5. By setting a plurality of retaining portions 6.11, the shape of the thermal insulation pad 5 is maintained to prevent the thermal deformation and warping of the thermal insulation pad 5. The first connecting portion 6.12 is fixedly connected to the template 1.

[0050] Optionally, the first matching groove 5.1 passes through the thermal insulation pad 5, the retaining portion 6.11 and the first matching groove 5.1 are both selected to be circular, and a gap is left between the retaining portion 6.11 and the inner wall of the first matching groove 5.1 to accommodate the deformation of the thermal insulation pad 5, and the first retaining member is configured to pass through the thermal insulation pad 5 from one side of the cavity 3 and be fixedly connected to the template 1 through the first connecting portion 6.12. Of course, the first retaining member can also be pre-assembled on the template 1, and then the thermal insulation pad 5 is placed between the mold core assembly 2 and the template 1. At this time, the first retaining member also plays a positioning role for the installation of the thermal insulation pad 5, so that the thermal insulation pad 5 is maintained in a constrained posture against the template 1 and the mold core assembly 2.

[0051] Furthermore, the retaining member 6 also includes a second retaining member arranged on the relatively outer side of the thermal insulation pad 5, the second retaining member passes through the thermal insulation pad 5 and is fixedly connected to the template 1, and the second retaining member is provided with an abutting portion 6.21 for abutting the thermal insulation pad 5 on the surface of the concave cavity 4, and a second connecting portion 6.22 fixedly connected to the template 1, and the abutting portion 6.21 is embedded in the thermal insulation pad 5.

[0052] Among them, the side of the thermal insulation pad 5 facing away from the template 1 is provided with a second matching groove 5.2 for the abutment portion 6.21 to be placed therein, and the abutment portion 6.21 is extended with a first connecting portion 6.12 for fixedly connecting with the template 1, and the contour of the second matching groove 5.2 matches the contour of the abutment portion 6.21, and the second retaining member is configured to pass through the thermal insulation pad 5 from one side of the cavity 3. At this time, the abutment portion 6.21 is placed in the second matching groove 5.2 and presses the thermal insulation pad 5 on the template 1, and the first connecting portion 6.12 is fixedly connected to the template 1.

[0053] It should be noted that the abutting portion 6.21 is completely inserted into the second matching groove 5.2 to avoid interference between the second retaining member and the mold core assembly 2.

[0054] As an option, the second retaining member may be a flat head screw, and the first connecting portion 6.12 and the second connecting portion 6.22 are both threaded connecting columns.

[0055] like Fig.12 As shown, as an implementation method of connecting the mold core assembly 2 and the template 1, a bolt connector 7 is provided on the template 1, and the bolt connector 7 passes through the thermal insulation pad 5 from the template 1 and is fixedly connected to the mold core assembly 2.

[0056] Through the above-mentioned improvements, the bolt connector 7 between the template 1 and the mold core assembly 2, and the first retaining member and the second retaining member arranged on the thermal insulation pad 5 all occupy a certain spatial position on the thermal insulation pad 5, thereby improving the constraint and retention force on the shape of the thermal insulation pad 5.

[0057] like Figure 7 As shown, in other embodiments, in order to further optimize the restraining effect on the thermal insulation pad 5, the arrangement of the first retaining member, the second retaining member and the bolt connector 7 is further improved.

[0058] Continue to refer to Figure 7 Specifically, a pouring assembly is provided in the middle of the template 1, and the pouring assembly includes a pouring tube 1.3 connected to the cavity 3, the pouring tube 1.3 is passed through the center of the thermal insulation pad 5, the first retaining member is arranged on both sides of the pouring tube 1.3, the second retaining member is arranged on the outside of the first retaining member, and the bolt connector 7 is arranged in parallel with the second retaining member, and the first retaining member is arranged along the extension direction of the second oil circuit, and the bolt connector 7 and the second retaining member are arranged in sequence at intervals, so as to reasonably plan the components passing through the thermal insulation pad 5.

[0059] Specifically, the cavities 3 are arranged at intervals on both sides of the pouring tube 1 . 3 , the retaining members 6 are arranged in sequence along the length direction of the cavities 3 , and the retaining members 6 are also arranged between two cavities 3 .

[0060] In other embodiments, in order to reduce heat transfer and heat loss between the mold core assembly 2 and the template 1, a support portion 4.1 is provided on the side wall of the cavity 4 facing the mold core assembly 2. The support portions 4.1 are spaced apart with respect to the outer contour of the mold core assembly 2, and an insulating space 4.2 is formed between adjacent support portions 4.1. Through the above improvements, the position of the mold core assembly 2 in the cavity 4 is limited by the support portion 4.1, and the insulating space 4.2 between the cavity 4 and the mold core assembly 2 effectively reduces the heat transfer area and heat loss.

[0061] like Figures 3 to 10 As shown, as an implementation method of purifier pipe molding, the template 1 is divided into an upper template 1.1 and a lower template 1.2. The lower template 1.2 is provided with a first molding component 8 and a second molding component 9 placed at both ends of the cavity 3. The upper template 1.1 is provided with a diagonal rod 14. The diagonal rod 14 passes through the first molding component 8 and drives the first molding component 8 to separate from the cavity 3 as the upper template 1.1 opens the mold. The back of the second molding component 9 is connected to an actively controlled linear actuator cylinder 13, and the linear actuator cylinder 13 drives the second molding component 9 to leave the cavity 3.

[0062] Furthermore, the first molding component 8 includes a molding block 8.1 inserted into the mold cavity 3, and the molding block 8.1 closes the molding groove 8.2 at the end of the mold cavity 3; the second molding component 9 includes an inner molding rod 9.1 passing through the mold cavity 3, and the inner molding rod 9.1 abuts against the molding groove 8.2, and the molding block 8.1 is covered outside the purifier pipe after molding is completed, and the inner molding rod 9.1 is passed through the purifier pipe after molding is completed.

[0063] Among them, the outer peripheral surface of the purifier pipe has a radially extending support edge and a stepped shaft-shaped axial feature portion, and the purifier pipe is constrained in the cavity 3 of the lower mold core 2.2 through the above-mentioned support edge and axial feature portion so that the actuator cylinder 13 can drive the second molding component 9 to demold.

[0064] In other words, when the mold is opened, the upper mold plate 1.1 first drives the first molding component 8 at the end of the purifier pipe to be demolded through the inclined rod 14, and then drives the inner molding rod 9.1 inside the purifier pipe to be demolded through the actively controlled actuator cylinder 13. This method can cope with the demolding of pipe components with thin walls and long sizes.

[0065] like Figures 8 to 10 As shown, further, the first molding assembly 8 also includes a first connecting block 8.3 connected to the inclined rod 14, the molding block 8.1 is connected to the first connecting block 8.3, the inclined rod 14 is penetrated by the first connecting block 8.3, and during the mold opening process, the inclined rod 14 moves upward synchronously with the upper mold plate 1.1, and pulls the first connecting block 8.3 and the molding block 8.1 away from the mold cavity 3;

[0066] The second molding assembly 9 also includes a second connecting block 9.2 fixedly connected between the output end of the linear actuator cylinder 13 and the inner molding rod 9.1. During the mold opening process, the upper mold plate 1.1 first moves upward to perform the mold opening action, and then the linear actuator cylinder 13 acts and pulls the second connecting block 9.2 and the inner molding rod 9.1 away from the mold cavity 3;

[0067] A spacer 10 is provided inside the inner forming rod 9.1 and the forming block 8.1, and a connected ventilation cavity 12 is formed on both sides of the spacer 10. One end of the ventilation cavity 12 is connected inside the inner forming rod 9.1 and the forming block 8.1, and the rest of the ventilation cavity 12 is separated by the spacer 10. The first connecting block 8.3 and the second connecting block 9.2 are correspondingly provided with an air inlet and outlet assembly connected to the ventilation cavity 12.

[0068] Specifically, the first connecting block 8.3 and the second connecting block 9.2 are both connected with an air duct 15, and the air inlet and outlet components include an air inlet pipe and an air outlet pipe. The air duct 15 extends at both ends of the first connecting block 8.3 and the second connecting block 9.2 and is respectively connected to the air inlet pipe and the air outlet pipe. The inner molded rod 9.1 and the interior of the molding block 8.1 are separated into two connected ventilation cavities 12 by a spacer 10. During the demolding process, gas is input into the air duct 15 and the ventilation cavity 12 on one side through the air inlet pipe. After passing through the ventilation cavity 12 on the other side, the gas leaves the inner molded tube from the air duct 15 and the air outlet pipe, thereby cooling the inner molded rod 9.1 and the molded purifier pipeline.

[0069] The air inlet and outlet assembly further comprises an air inlet and outlet pipe connector which connects the air passages in the first connecting block and the second connecting block.

[0070] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A forming die for a purifier pipe, characterized in that: The invention comprises a template (1) arranged relatively to each other up and down, and a mold core assembly (2) arranged on the template (1); the mold core assembly (2) is relatively closed with the mold closing action and forms a mold cavity (3); the template (1) is provided with a concave cavity (4) for accommodating the mold core assembly (2); a heat insulation pad (5) is provided between the concave cavity (4) and the mold core assembly (2); a retaining member (6) is also arranged on the heat insulation pad (5); the retaining member (6) constrains the shape of the heat insulation pad (5); and a heating oil circuit is connected to the inside of the mold core assembly (2).

2. A forming die for a purifier pipe as claimed in claim 1, characterized in that: The thermal insulation pad (5) is abutted between the mold core assembly (2) and the inner surface of the cavity (4); the retaining member (6) comprises a plurality of first retaining members evenly arranged on the thermal insulation board; the thermal insulation board is provided with a first matching groove (5.1) for accommodating the first retaining member; the first retaining member profile matches the first matching groove (5.1) and is fixedly connected to the template (1).

3. A forming die for a purifier pipe as claimed in claim 2, characterized in that: The retaining member (6) also includes a second retaining member arranged on the relatively outer side of the thermal insulation pad (5), the second retaining member passes through the thermal insulation pad (5) and is fixedly connected to the template (1), and the second retaining member is provided with an abutting portion (6.21) for abutting the thermal insulation pad (5) against the surface of the concave cavity (4), and a second connecting portion (6.22) fixedly connected to the template (1), and the abutting portion (6.21) is embedded in the thermal insulation pad (5).

4. A forming die for a purifier pipe as claimed in claim 3, characterized in that: The template (1) is provided with a bolt connector (7), and the bolt connector (7) passes through the heat insulation pad (5) and is fixedly connected to the mold core assembly (2).

5. A forming die for a purifier pipe as claimed in claim 4, characterized in that: A pouring assembly is provided in the middle of the template (1), and the pouring assembly includes a pouring pipe (1.3) connected to the mold cavity (3), the pouring pipe (1.3) is passed through the center of the thermal insulation pad (5), the first retaining member is arranged on both sides of the pouring pipe (1.3), the second retaining member is arranged on the outside of the first retaining member, and the bolt connection member (7) is arranged in parallel with the second retaining member.

6. The forming mold for a purifier pipe according to claim 1, characterized in that: The mold cavities (3) are arranged at intervals on both sides of the pouring tube (1.3), the retaining members (6) are arranged in sequence along the length direction of the mold cavities (3), and the retaining members (6) are also arranged between two mold cavities (3).

7. A forming die for a purifier pipe as claimed in claim 1, characterized in that: The side wall of the cavity (4) is provided with a supporting portion (4.1) facing the mold core assembly (2); the supporting portions (4.1) are arranged at intervals relative to the outer contour of the mold core assembly (2), and a heat insulating space (4.2) is formed between adjacent supporting portions (4.1).

8. The forming die for a purifier pipe according to claim 1, characterized in that: The template (1) is divided into an upper template (1.1) (1) and a lower template (1.2) (1); the lower template (1.2) (1) is provided with a first molding component (8) and a second molding component (9) placed at both ends of the cavity (3); the upper template (1.1) (1) is provided with an inclined rod (14); the inclined rod (14) is passed through the first molding component (8) and drives the first molding component (8) to separate from the cavity (3) as the upper template (1.1) (1) opens the mold; the back of the second molding component (9) is connected to an actively controlled linear actuator cylinder (13); the linear actuator cylinder (13) drives the second molding component (9) to leave the cavity (3).

9. A forming die for a purifier pipe as claimed in claim 8, characterized in that: The first molding component (8) comprises a molding block (8.1) placed in the molding cavity (3), the molding block (8.1) closing a molding groove (8.2) at the end of the molding cavity (3); the second molding component (9) comprises an inner molding rod (9.1) penetrating the molding cavity (3), the inner molding rod (9.1) abutting against the molding groove (8.2), and the molding block (8.1) is covered outside the purifier pipe after molding is completed, and the inner molding rod (9.1) is penetrated into the purifier pipe after molding is completed.

10. A forming die for a purifier pipe as claimed in claim 9, characterized in that: The first forming assembly (8) further comprises a first connecting block (8.3) connected to the inclined tie rod (14), and the forming block (8.1) is connected to the first connecting block (8.3); The second molding assembly (9) further comprises a second connecting block (9.2) fixedly connected between the output end of the linear actuator cylinder (13) and the inner molding rod (9.1); A spacer (10) is provided inside the inner forming rod (9.1) and the forming block (8.1), and a connected ventilation cavity (12) is formed on both sides of the spacer (10), and the first connecting block (8.3) and the second connecting block (9.2) are correspondingly provided with air inlet and outlet components connected to the ventilation cavity (12).

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