Capping process mold for forming TPV (thermoplastic vulcanizate) knitted tube

Abstract

The utility model discloses a TPV (thermoplastic vulcanizate) knitted tube forming cap process mold, and relates to the technical field of knitted tubes. The mold comprises a mold device and an inner supporting silica gel rod, the mold device comprises a main frame body, a fixed end and a movable end, the fixed end and the movable end are used for cap forming, the main frame body comprises a main pipe mold and two auxiliary pipe molds, the cross section of each of the main pipe mold and the auxiliary pipe molds is of a semicircular structure, and vertical rods are fixed to the outer sides of the two ends of the main pipe mold. A supporting rod and a support are fixed to the opposite sides of the circumferential side face of the vertical rod respectively and are perpendicular to the vertical rod. By designing the novel tool mold, the TPV knitted pipe can be quickly positioned, clamped and supported, the good roundness of the port of the pipe is ensured, the product quality and the use effect are ensured, meanwhile, the molds at the two ends are designed to be one fixed type and the other movable type, positioning, mounting and dismounting of the pipe body before and after forming are facilitated, operation is facilitated, and the production efficiency is improved. Therefore, the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of knitted tubes, in particular to a TPV knitted tube forming cap process die. Background Art

[0002] TPV knitted tubes have many advantages over EPDM knitted tubes and PA tubes. During the molding process, the end of the TPV knitted tube is prone to poor roundness. Poor end roundness has an important impact on the subsequent assembly process and may affect the sealing performance of the assembly.

[0003] Therefore, designing a mold for the forming capping process of the TPV knitted tube to improve the roundness size of the mouth end is a problem that needs to be solved by the staff in this field. Utility Model Content

[0004] The purpose of the utility model is to provide a TPV knitted tube forming cap process mold. By designing a new tooling mold, the TPV knitted tube can be quickly positioned, clamped and supported to ensure that the port roundness of the pipeline is good, ensuring product quality and use effect. At the same time, the molds at both ends are designed as one fixed and the other movable, which is beneficial to the positioning, installation and disassembly of the tube body before and after molding, and is convenient for operation, thereby improving work efficiency.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a TPV knitted tube forming cap process mold, comprising a mold device and an inner supporting silicone rod, wherein the mold device comprises a main frame, a fixed end and a movable end for forming the cap;

[0007] The main frame includes a main pipe mold and two auxiliary pipe molds, and the cross-sections of the main pipe mold and the auxiliary pipe mold are both semicircular structures;

[0008] Vertical rods are fixed to the outer sides of both ends of the main mold, and support rods and supports are fixed to the opposite sides of the peripheral side of the vertical rods, respectively, and the support rods are vertically distributed to the vertical rods;

[0009] The top end of the support rod is rotatably connected to a clamping plate, the clamping plate is provided with a clamping slot, and a torsion spring is fixed between the clamping plate and the peripheral side surface of the vertical rod;

[0010] The support is rotatably connected with a turning rod, the auxiliary pipe mold is fixed inside the turning rod, the turning rod is fixed by clamping the clamping plate through a clamping groove body, and the auxiliary pipe mold is concentrically arranged on the opening side of the main pipe mold;

[0011] The fixed end and the movable end are both telescopic mold bodies composed of a core tube and an outer tube, and a molding cavity is formed between the core tube and the outer tube;

[0012] The fixed end is fixed to the main pipe mold by a connecting rod, and the movable end is connected to the main pipe mold by a detachable tooling;

[0013] A knitted tube to be formed is arranged outside the inner supporting silicone rod, and the knitted tube to be formed is arranged between the main tube mold and the auxiliary tube mold. Both ends of the knitted tube to be formed are respectively arranged in two forming cavities, and both ends of the inner supporting silicone rod respectively penetrate the core tubes on the fixed end and the movable end.

[0014] Furthermore, one end of the connecting rod is fixed to the peripheral side surface of the outer tube, and the other end of the connecting rod is fixed to the ends of the vertical rods of the two auxiliary tube molds.

[0015] Furthermore, the detachable tooling includes a cross bar, the cross bar is fixed to the vertical bar of the main mold, an arc-shaped support is fixed to the top of the cross bar, and a clamp is fixed to the end of the cross bar.

[0016] Furthermore, the core tube of the fixed end includes a large-diameter section and a small-diameter section, the outer tube of the fixed end is a hollow cylindrical tube body, the large-diameter section slides along the inner wall of the outer tube, the molding cavity is formed by the space between the small-diameter section and the outer tube, a first fastening point is provided on the large-diameter section of the core tube, the end of the inner supporting silicone rod is fixed to the core tube through the first fastening point, a second fastening point is provided on the outer tube, the core tube is fixed to the outer tube through the second fastening point, and a strip-shaped yielding opening is provided on the outer tube opposite to the position of the first fastening point.

[0017] Furthermore, the core tube at the movable end includes a large-diameter section and a small-diameter section, the inner wall of the outer tube of the movable end is provided with a large-diameter groove and a small-diameter groove, the small-diameter section slides along the small-diameter groove, the large-diameter groove of the outer tube is close to the main tube mold, the molding cavity is formed by the space between the large-diameter groove and the small-diameter section, a third fastening point is provided on the outer tube, the core tube is fixed to the outer tube via the third fastening point, the large-diameter section is provided with a fourth fastening point, the end of the inner support silicone rod is fixed to the core tube via the fourth fastening point.

[0018] Furthermore, the outer tube of the movable end is movably arranged on the top of the arc-shaped support, and the large-diameter section of the core tube of the movable end is fixed to the cross bar through a clamp.

[0019] Furthermore, both ends of the main pipe mold are provided with bending parts, and the vertical rods at both ends of the main pipe mold are respectively arranged outside the two bending parts.

[0020] Furthermore, a limiting nut is fixed at one end of the support rod away from the vertical rod, a through hole is provided at one end of the clamping plate, the end of the clamping plate is sleeved on the support rod through the through hole, and both ends of the torsion spring are respectively fixed to the clamping plate and the vertical rod.

[0021] Furthermore, the clamping plate is a rectangular plate, the clamping slot body includes a side opening extending to the outside of the clamping plate, and the side opening is provided with an arc-shaped opening that matches the clearance of the flip rod at one end away from the support rod.

[0022] Furthermore, the support is a U-shaped rod, the center point of the support is welded and fixed to the peripheral side of the vertical rod, the end of the flip rod is fixed with a cross rod end, and the cross rod end is arranged at the opening of the support and is rotatably connected to the support.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model can quickly position, clamp and support the TPV knitted tube by designing a new tooling die, ensuring the good roundness of the port of the pipeline, ensuring the product quality and use effect. At the same time, the molds at both ends are designed as one fixed and the other movable, which is conducive to the positioning, installation and disassembly of the tube body before and after molding, and is easy to operate, thereby improving work efficiency.

[0025] 2. The core tube and outer tube of the fixed end of the utility model are adjustable, and the design of the strip-shaped opening ensures that the two can be telescopically adjusted, and the core tube and outer tube of the movable end also have an adjustable function, which is conducive to the positioning and installation of the pipe end, and can be applied to pipes with different length requirements, and has a wide range of applications.

[0026] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 This is a schematic structural diagram of a TPV knitted tube forming cap process mold of the utility model;

[0029] Figure 2 It is a structural schematic diagram of the fixed end position of the utility model;

[0030] Figure 3 It is a structural schematic diagram of the active end position of the utility model;

[0031] Figure 4 A schematic diagram of the structure of the main frame and the detachable tooling;

[0032] Figure 5 It is a cross-sectional view of the structure at the fixed end position;

[0033] Figure 6 It is a cross-sectional view of the structure at the active end;

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1-inner support silicone rod, 2-main frame, 3-fixed end, 4-movable end, 5-detachable tooling, 6-knitted tube to be formed, 7-core tube, 8-outer tube, 9-first fastening point, 10-second fastening point, 11-strip give way, 12-third fastening point, 13-fourth fastening point, 201-main tube mold, 202-auxiliary tube mold, 203-vertical rod, 204-support rod, 205-support, 206-bending part, 207-card plate, 208-card slot body, 209-torsion spring, 210-turn rod, 211-limiting nut, 212-side opening, 213-arc mouth, 214-cross bar end, 301-connecting rod, 501-cross bar, 502-arc support, 503-clamping pliers. DETAILED DESCRIPTION

[0036] 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 of 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.

[0037] See also Figure 1-6 As shown, the utility model is a TPV knitted tube forming cap process mold, including a mold device and an inner support silicone rod 1, the mold device includes a main frame 2, a fixed end 3 and a movable end 4 for cap forming;

[0038] The main frame 2 includes a main pipe mold 201 and two auxiliary pipe molds 202, and the cross-sections of the main pipe mold 201 and the auxiliary pipe mold 202 are both semicircular structures;

[0039] Vertical rods 203 are fixed to the outer sides of both ends of the main mold 201, and support rods 204 and supports 205 are fixed to the opposite sides of the side surfaces of the vertical rods 203, and the support rods 204 are vertically distributed with the vertical rods 203;

[0040] The top of the support rod 204 is rotatably connected with a clamping plate 207, on which a clamping slot 208 is provided, and a torsion spring 209 is fixed between the clamping plate 207 and the side surface of the vertical rod 203;

[0041] The support 205 is rotatably connected with a turning rod 210, the auxiliary tube mold 202 is fixed inside the turning rod 210, the turning rod 210 is fixed by clamping with the clamping plate 207 through the clamping groove body 208, and the auxiliary tube mold 202 is concentrically arranged on the opening side of the main tube mold 201;

[0042] The fixed end 3 and the movable end 4 are both telescopic mold bodies composed of a core tube 7 and an outer tube 8, and a molding cavity is formed between the core tube 7 and the outer tube 8;

[0043] The fixed end 3 is fixed to the main pipe mold 201 through a connecting rod 301, and the movable end 4 is connected to the main pipe mold 201 through a detachable tooling 5;

[0044] A knitted tube 6 to be formed is provided on the outside of the inner supporting silicone rod 1. The knitted tube 6 to be formed is arranged between the main tube mold 201 and the auxiliary tube mold 202. The two ends of the knitted tube 6 to be formed are respectively arranged in two forming cavities. The two ends of the inner supporting silicone rod 1 respectively pass through the core tube 7 on the fixed end 3 and the movable end 4.

[0045] Among them Figure 1 and Figure 4 As shown, one end of the connecting rod 301 is fixed to the side surface of the outer tube 8 , and the other end of the connecting rod 301 is fixed to the ends of the vertical rods 203 of the two auxiliary tube molds 202 .

[0046] Among them Figure 1 and Figure 3-4 As shown, the detachable tooling 5 includes a crossbar 501 , which is fixed to the vertical bar 203 of the main pipe mold 201 , an arc-shaped support 502 is fixed to the top of the crossbar 501 , and a clamp 503 is fixed to the end of the crossbar 501 .

[0047] Among them Figure 1-2 and Figure 5 As shown, the core tube 7 of the fixed end 3 includes a large-diameter section and a small-diameter section, the outer tube 8 of the fixed end 3 is a hollow cylindrical tube body, the large-diameter section slides along the inner wall of the outer tube 8, the molding cavity is formed by the space between the small-diameter section and the outer tube 8, the large-diameter section of the core tube 7 is provided with a first fastening point 9, the end of the inner supporting silicone rod 1 is fixed to the core tube 7 through the first fastening point 9, the outer tube 8 is provided with a second fastening point 10, the core tube 7 is fixed to the outer tube 8 through the second fastening point 10, and the outer tube 8 is provided with a strip-shaped clearance opening 11 opposite to the first fastening point 9.

[0048] Among them Figure 1 and Figure 3 and Figure 6 As shown, the core tube 7 of the movable end 4 includes a large-diameter section and a small-diameter section, the inner wall of the outer tube 8 of the movable end 4 is provided with a large-diameter groove and a small-diameter groove, the small-diameter section slides along the small-diameter groove, the large-diameter groove of the outer tube 8 is close to the main tube mold 201, and the molding cavity is formed by the space between the large-diameter groove and the small-diameter section, the outer tube 8 is provided with a third fastening point 12, the core tube 7 is fixed to the outer tube 8 by the third fastening point 12, the large-diameter section is provided with a fourth fastening point 13, and the end of the inner support silicone rod 1 is fixed to the core tube 7 by the fourth fastening point 13.

[0049] Among them Figure 1 and Figure 4 As shown, the outer tube 8 of the movable end 4 is movably arranged on the top of the arc support 502 , and the large-diameter section of the core tube 7 of the movable end 4 is fixed to the cross bar 501 by a clamp 503 .

[0050] Among them Figure 1 and Figure 4 As shown, both ends of the main pipe mold 201 are provided with bending parts 206 , and the vertical rods 203 at both ends of the main pipe mold 201 are respectively arranged outside the two bending parts 206 .

[0051] Among them Figure 1 and Figure 4 As shown, a limiting nut 211 is fixed to one end of the support rod 204 away from the vertical rod 203, a through hole is provided at one end of the clamping plate 207, the end of the clamping plate 207 is sleeved on the support rod 204 through the through hole, and the two ends of the torsion spring 209 are respectively fixed to the clamping plate 207 and the vertical rod 203.

[0052] Among them Figure 1 and Figure 4 As shown, the clamping plate 207 is a rectangular plate, and the clamping slot body 208 includes a side opening 212 extending to the outside of the clamping plate 207 . An arc-shaped opening 213 that is gap-matched with the flip rod 210 is provided at one end of the side opening 212 away from the support rod 204 .

[0053] Among them Figure 1 and Figure 4 As shown, the support 205 is a U-shaped rod, the center point of the support 205 is welded and fixed to the side surface of the vertical rod 203, and the end of the flip rod 210 is fixed with a cross bar end 214, which is arranged at the opening of the support 205 and is rotatably connected to the support 205.

[0054] The working principle of the utility model is as follows: insert the inner supporting silicone rod 1 into the knitted tube 6 to be formed, pass one end of the inner supporting silicone rod 1 through the core tube 7 of the fixed end 3, and ensure that the end of the knitted tube 6 to be formed is completely in the forming cavity, fix the end position of the inner supporting silicone rod 1 and the position between the core tube 7 and the outer tube 8 on the fixed end 3 through the first fastening point 9 and the second fastening point 10, and then place the knitted tube 6 to be formed in the notch of the main tube mold 201, and finally flip the turning rod 210 to drive the auxiliary tube mold 202 to press the knitted tube 6 to be formed, rotate the clamping plate 207 to clamp the turning rod 210 and the auxiliary tube mold 202 through the clamping groove body 208, and finally fasten and fix the inner supporting silicone rod 1 and the other end of the knitted tube 6 to be formed through the movable end 4, place the forming mold in the forming furnace, and undergo a series of processes such as heating, heat preservation, cooling, and drying to form the TPV knitted tube into the required shape. After the forming is completed, the inner supporting silicone rod 1 is pulled out, and the formed product can ensure the roundness of the end of the product.

[0055] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A TPV knitted tube forming cap process mold, characterized by: It comprises a mold device and an inner supporting silicone rod (1), wherein the mold device comprises a main frame (2), a fixed end (3) and a movable end (4) for forming a cap; The main frame (2) comprises a main pipe mold (201) and two auxiliary pipe molds (202), and the cross-sections of the main pipe mold (201) and the auxiliary pipe molds (202) are both semicircular structures; Vertical rods (203) are fixed to the outer sides of both ends of the main mold (201), and support rods (204) and supports (205) are respectively fixed to the opposite sides of the peripheral side of the vertical rod (203), and the support rods (204) and the vertical rods (203) are vertically distributed; The top end of the support rod (204) is rotatably connected to a clamping plate (207), a clamping groove (208) is provided on the clamping plate (207), and a torsion spring (209) is fixed between the clamping plate (207) and the peripheral side surface of the vertical rod (203); The support (205) is rotatably connected with a turning rod (210), the auxiliary pipe mold (202) is fixed inside the turning rod (210), the turning rod (210) is fixed by clamping with a clamping plate (207) through a clamping groove body (208), and the auxiliary pipe mold (202) is concentrically arranged on the opening side of the main pipe mold (201); The fixed end (3) and the movable end (4) are both telescopic mold bodies composed of a core tube (7) and an outer tube (8), and a molding cavity is formed between the core tube (7) and the outer tube (8); The fixed end (3) is fixed to the main pipe mold (201) via a connecting rod (301), and the movable end (4) is connected to the main pipe mold (201) via a detachable tooling (5); A knitted tube (6) to be formed is arranged outside the inner supporting silicone rod (1); the knitted tube (6) to be formed is arranged between the main tube mold (201) and the auxiliary tube mold (202); two ends of the knitted tube (6) to be formed are respectively arranged in two forming cavities; and two ends of the inner supporting silicone rod (1) respectively penetrate the core tube (7) on the fixed end (3) and the movable end (4).

2. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: One end of the connecting rod (301) is fixed to the peripheral side surface of the outer tube (8), and the other end of the connecting rod (301) is fixed to the ends of the vertical rods (203) of the two auxiliary tube molds (202).

3. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: The detachable tooling (5) comprises a cross bar (501), the cross bar (501) is fixed to the vertical bar (203) of the main pipe mold (201), an arc-shaped support (502) is fixed on the top of the cross bar (501), and a clamp (503) is fixed on the end of the cross bar (501).

4. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: The core tube (7) of the fixed end (3) comprises a large-diameter section and a small-diameter section. The outer tube (8) of the fixed end (3) is a hollow cylindrical tube body. The large-diameter section slides along the inner wall of the outer tube (8). The molding cavity is formed by the space between the small-diameter section and the outer tube (8). The large-diameter section of the core tube (7) is provided with a first fastening point (9). The end of the inner support silicone rod (1) is fixed to the core tube (7) via the first fastening point (9). The outer tube (8) is provided with a second fastening point (10). The core tube (7) is fixed to the outer tube (8) via the second fastening point (10). The outer tube (8) is provided with a strip-shaped clearance opening (11) opposite to the first fastening point (9).

5. A TPV knitted tube forming cap process mold according to claim 3, characterized in that: The core tube (7) of the movable end (4) comprises a large-diameter section and a small-diameter section, the inner wall of the outer tube (8) of the movable end (4) is provided with a large-diameter groove and a small-diameter groove, the small-diameter section slides along the small-diameter groove, the large-diameter groove of the outer tube (8) is close to the main tube mold (201), the molding cavity is formed by the space between the large-diameter groove and the small-diameter section, the outer tube (8) is provided with a third fastening point (12), the core tube (7) is fixed to the outer tube (8) via the third fastening point (12), the large-diameter section is provided with a fourth fastening point (13), the end of the inner support silicone rod (1) is fixed to the core tube (7) via the fourth fastening point (13).

6. A TPV knitted tube forming cap process mold according to claim 5, characterized in that: The outer tube (8) of the movable end (4) is movably arranged on the top of the arc-shaped support (502), and the large-diameter section of the core tube (7) of the movable end (4) is fixed to the crossbar (501) by a clamp (503).

7. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: Both ends of the main pipe mold (201) are provided with bending parts (206), and the vertical rods (203) at both ends of the main pipe mold (201) are respectively arranged outside the two bending parts (206).

8. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: A limiting nut (211) is fixed to one end of the support rod (204) away from the vertical rod (203); a through opening is provided at one end of the clamping plate (207); the end of the clamping plate (207) is sleeved on the support rod (204) through the through opening; and the two ends of the torsion spring (209) are respectively fixed to the clamping plate (207) and the vertical rod (203).

9. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: The clamping plate (207) is a rectangular plate, and the clamping slot body (208) comprises a side opening (212) extending to the outside of the clamping plate (207). An arc-shaped opening (213) that is clearance-matched with the flip rod (210) is provided at one end of the side opening (212) away from the support rod (204).

10. A TPV knitted tube forming cap process mold according to claim 1, characterized in that: The support (205) is a U-shaped rod, the center point of the support (205) is welded and fixed to the peripheral side of the vertical rod (203), the end of the flip rod (210) is fixed with a cross rod end (214), and the cross rod end (214) is arranged at the opening of the support (205) and is rotatably connected to the support (205).

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