Injection and curing integrated device

Abstract

The injection and curing integrated device comprises a glue injection mold, a yarn threading plate, a glue extrusion mold, a transition section and a curing mold, one end of the glue injection mold is detachably connected with the yarn threading plate, and the other end is connected with the glue extrusion mold; the transition section is connected between the glue extruding mold and the curing mold and is used for insulating heat; the outer side of the glue injection mold is connected with a silica gel heating ring; a glue injection hole is formed in the glue injection mold; a conical section surface is arranged in the glue injection mold; the diameter of the conical section surface is gradually reduced from the end connected with the threading plate to the end connected with the rubber extruding mold; the side, connected with the glue injection mold, of the glue extrusion mold is provided with an extending conical surface extending out of a conical section surface; a glue discharging hole is formed in the end, with the maximum diameter, of the conical section surface of the glue injection mold. According to the design of the yarn threading plates, the yarn threading plates are connected through detachable connecting structures, various different yarn threading plates can be replaced conveniently, and the yarn threading plates can be replaced according to actual requirements.

Description

Technical Field

[0001] The invention relates to yarn processing equipment, in particular to an injection-curing integrated device. Background Art

[0002] Existing injection and curing integrated devices, for example: an injection device and an injection pultrusion molding method with the invention patent publication number CN118789853A, which discloses a glue injection machine and an injection pultrusion mold, the yarn threading plate structure design of the injection mold is unreasonable, and it cannot ensure that the yarn is fully separated and impregnated with resin. The large inner cavity of the glue injection section will cause excessive resin waste and increase the cost. The glue injection section and the glue extrusion section are not provided with a reasonable transition zone, and the yarn is easily worn. The structure design of the glue extrusion section is unscientific, and the resin in the cavity cannot fully flow and the yarn cannot be further impregnated to ensure more complete impregnation; the glue extrusion section and the curing section are provided with an extended section to control the heat transfer, which is unreasonable. The extended section is metal with good thermal conductivity, and it cannot well reduce the heat transfer from the curing mold to the glue extrusion section and the glue injection section, which will cause the resin in the glue extrusion section and the glue injection section to gel prematurely, shorten the service time, and the performance of the prepared product will deteriorate; the electronic temperature control device often has a deviation between the displayed temperature and the actual temperature, which is not convenient for the real control of the temperature of the glue injection section; this patent is mainly improved for the problems existing in the invention patent. Summary of the invention

[0003] The present invention aims to solve the technical problem of providing an integrated injection and curing device with a detachable connection for a threading plate and a reasonably set transition zone. The injection mold of the equipment uses a thermometer to detect the temperature, and a transition section for heat insulation is designed between the extrusion mold and the curing mold.

[0004] In order to solve the above technical problems, the technical solution of an injection-curing integrated device of the present invention is:

[0005] It comprises a glue injection mould, a yarn threading plate, a glue extrusion mould, a transition section and a curing mould; one end of the glue injection mould is detachably connected to the yarn threading plate, and the other end is connected to the glue extrusion mould; the transition section is connected between the glue extrusion mould and the curing mould for heat insulation; a silicone heating ring is connected to the outer side of the glue injection mould; a glue injection hole is provided on the glue injection mould; a conical section surface is arranged inside the glue injection mould; the diameter of the conical section surface gradually decreases from the end close to the connection with the yarn threading plate to the end close to the connection with the glue extrusion mould; the side of the glue extrusion mould connected to the glue injection mould is provided with an extended conical surface extending from the conical section surface; a glue release hole is provided at the end with the largest diameter of the conical section surface of the glue injection mould; a thermometer for detecting temperature is also connected to the glue injection mould; a heating block is installed on the outer side of the curing mould.

[0006] The threading plate is circular with fiber felt holes or circular without fiber felt holes, or square with fiber felt holes or square without fiber felt holes.

[0007] The yarn threading plate is detachably connected to the glue injection mold through a sealing ring; the sealing ring is detachably connected to the glue injection mold, and the yarn threading plate is locked between the sealing ring and the glue injection mold.

[0008] The threading plate is circular with fiber felt holes or circular without fiber felt holes; the sealing ring is threadedly connected to the injection mold; an anti-loosening device is arranged between the sealing ring and the injection mold to prevent the sealing ring and the injection mold from rotating relative to each other; the anti-loosening device comprises a limiting sleeve sleeved on the injection mold; the limiting sleeve is connected to the injection mold by bolts; the end of the sealing ring is connected to a limiting ring plate; the outer periphery of the limiting sleeve is laterally slidably connected to an insert rod; the limiting ring plate is provided with an insert hole corresponding to the insert rod; one end of the insert rod is inserted into the insert hole, and the other end passes through the limiting sleeve and is connected to a connecting block; a spring is connected between the connecting block and the limiting sleeve; one end of the spring is welded to the connecting block, and the other end is welded to the limiting sleeve.

[0009] The threading plate is square with fiber felt holes or square without fiber felt holes; the end sealing ring is connected to the injection mold by bolts.

[0010] A first rubber gasket is connected between the yarn threading plate and the glue injection mold.

[0011] The heating blocks of the injection mold and the curing mold are both provided with thermometer sockets; thermometers are inserted into the thermometer sockets; and the thermometers are mercury thermometers.

[0012] The injection mold is provided with a first positioning ring on the side connected to the extrusion mold; the extrusion mold is provided with a first positioning ring groove corresponding to the first positioning ring on the side connected to the injection mold; the first positioning ring is inserted into the first positioning ring groove, and a second rubber gasket is placed in the first positioning ring; the second rubber gasket is located between the injection mold and the extrusion mold; the injection mold and the extrusion mold are connected by bolts; the extrusion mold is provided with a second positioning ring on the side connected to the transition section; the transition section is provided with a second positioning ring groove corresponding to the second positioning ring on the side connected to the extrusion mold; the second positioning ring is inserted into the second positioning ring groove, and a third rubber gasket is placed in the second positioning ring; the third rubber gasket is located between the transition section and the extrusion mold; the transition section and the extrusion mold are connected by bolts.

[0013] The transition section is hollow; an insulating gasket is arranged between the transition section and the curing mold; the transition section and the curing mold are connected by bolts; a waist-shaped opening is opened on the transition section for convenient observation of the yarn dipping and reducing the heat transfer of the curing mold.

[0014] The internal taper of the injection mold and the extrusion mold is set to 5-20°.

[0015] The technical effects that can be achieved by the present invention are:

[0016] 1. In the design of the yarn threading plate of the present invention, the yarn threading plate is connected by a detachable connection structure, which is convenient for replacing various yarn threading plates. The yarn threading plate can be replaced according to actual needs;

[0017] 2. The present invention uses a thermometer to measure temperature, which is more accurate;

[0018] 3. A conical surface and an extended conical surface are designed between the injection mold and the extrusion mold. The yarn is guided by the conical surface and the extended conical surface, which is not easy to be worn. The glue release hole is located at the end side with the largest diameter of the conical surface of the injection mold, which is convenient for releasing the glue;

[0019] 4. A transition section is designed between the extrusion mold and the curing mold to insulate the two and reduce the impact between them. A waist-shaped opening is opened in the transition section to facilitate observation of the yarn dipping and reduce heat transfer from the curing mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0021] Figure 1 It is a structural schematic diagram of an injection-curing integrated device of the present invention;

[0022] Figure 2 yes Figure 1 A magnified view of part A;

[0023] Figure 3 yes Figure 1 A magnified view of part B;

[0024] Figure 4 yes Figure 1 Enlarged view of part C;

[0025] Figure 5 It is a schematic diagram of the structure of each threading plate. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] See also Figures 1 to 5 .

[0028] An integrated injection-curing device comprises a glue injection mold 5, a yarn threading plate 2, a glue extrusion mold 7, a transition section 8 and a curing mold 10; one end of the glue injection mold 5 is detachably connected to the yarn threading plate 2, and the other end is connected to the glue extrusion mold 7; specifically, the yarn threading plate 2 is circular with fiber felt holes 22 or circular without fiber felt holes 22 or square with fiber felt holes 22 or square without fiber felt holes 22, the yarn threading plate 2 is detachably connected to the glue injection mold 5 through a sealing ring 3, the sealing ring 3 is detachably connected to the glue injection mold 5, and the yarn threading plate 2 is locked between the sealing ring 3 and the glue injection mold 5; more specifically, when the yarn threading plate 2 is circular with fiber felt holes 22 or circular without fiber felt holes 22, the sealing ring 3 is threadedly connected to the glue injection mold 5, and a sealing ring 3 is provided between the sealing ring 3 and the glue injection mold 5 There is an anti-loosening device to prevent the sealing ring 3 and the injection mold 5 from rotating relative to each other; the anti-loosening device includes a limiting sleeve 31 sleeved on the injection mold 5, the limiting sleeve 31 is connected to the injection mold 5 by bolts, the end of the sealing ring 3 is connected to a limiting ring plate 36, the outer periphery of the limiting sleeve 31 is laterally slidably connected with an insertion rod 32, and the limiting ring plate 36 is provided with an insertion hole 33 corresponding to the insertion rod 32; one end of the insertion rod 32 is inserted into the insertion hole 33, and the other end passes through the limiting sleeve 31 and is connected to a connecting block 34; a spring 35 is connected between the connecting block 34 and the limiting sleeve 31, one end of the spring 35 is welded to the connecting block 34, and the other end is welded to the limiting sleeve 31; when the threading plate 2 is square with fiber felt holes 22 or square without fiber felt holes 22, the sealing ring 3 is connected to the injection mold 5 by bolts.

[0029] The design of the existing threading plate 2 only considers the threading of fibers, but does not consider the threading of fiber felt, and the fibers are not separated to the maximum extent, which may easily cause insufficient impregnation. In the design of the threading plate 2 of the present invention, the threading plate 2 is connected with a detachable connection structure, which is convenient for the threading plate 2 to be replaced according to actual needs, and is relatively convenient and quick. Specifically, a first rubber gasket 4 is connected between the threading plate 2 and the glue injection mold 5.

[0030] The transition section 8 is connected between the glue extrusion mold 7 and the curing mold 10 for heat insulation; specifically, the transition section 8 is hollow, and an insulating gasket 9 is arranged between the transition section 8 and the curing mold 10; the transition section 8 is connected to the curing mold 10 by bolts, and a waist-shaped opening 83 is opened on the transition section 8 for convenient observation of the yarn impregnation and reduction of heat transfer of the curing mold 10; the transition section 8 of the present invention is a hollow design, and 3-6 waist-shaped openings 83 are designed to facilitate observation of the yarn impregnation and reduction of heat transfer of the curing mold 10.

[0031] The outside of the glue injection mold 5 is connected to a silicone heating ring 53; the glue injection mold 5 is provided with a glue injection hole 54, which is used to connect a glue injection machine, and the glue injection machine injects glue into the glue injection mold 5 through the glue injection hole 54; the glue injection mold 5 is provided with a conical section surface 52, and the diameter of the conical section surface 52 gradually decreases from the end close to the threading plate 2 to the end close to the glue extrusion mold 7, and the glue extrusion mold 7 is provided with an extended conical surface 71 extending from the conical section surface 52 on the side connected to the glue injection mold 5, and the glue injection mold 5 has a glue release hole 56 at the end with the largest diameter of the conical section surface 52; specifically, the internal taper of the glue injection mold 5 and the glue extrusion mold 7 of the present invention is set to 5-2 0°, the glue injection hole 54 is designed to be close to one-third of the glue extrusion mold 7, the glue injection mold 5 is provided with a quarter of a straight section from the yarn outlet, and a glue release hole 56 is designed below the straight section; the front quarter of the glue extrusion mold 7 is designed as a conical section, and the rear three quarters are designed as a straight section, and the inner diameter of the straight section is consistent with the inner diameter of the transition section 8 and the inner diameter of the curing mold 10. The present invention designs a conical section surface 52 and an extended conical surface 71 between the glue injection mold 5 and the glue extrusion mold 7, and the yarn is guided by the conical section surface 52 and the extended conical surface 71, which is not easy to be worn, and the glue release hole 56 is located on the end side of the maximum diameter of the conical section surface 52 of the glue injection mold 5, so as to facilitate the release of the glue.

[0032] The injection mold 5 is also connected to a thermometer for detecting temperature. Specifically, the injection mold 5 and the heating block 102 of the curing mold 10 are both provided with a thermometer socket 55, and a thermometer is inserted in the thermometer socket 55. The thermometer is a mercury thermometer, which is used to accurately measure the temperature. The temperature obtained by the thermometer inserted in the injection mold 5 is used to compare with the control temperature of the silicone heating ring 53, and the thermometer located on the heating block 102 of the curing mold 10 is used to accurately measure the actual temperature on the heating block 102.

[0033] A heating block 102 is installed on the outside of the curing mold 10. At the connection between the injection mold 5 and the extrusion mold 7, the injection mold 5 is provided with a first positioning ring 58 on the side connected to the extrusion mold 7, and the extrusion mold 7 is provided with a first positioning ring groove corresponding to the first positioning ring 58 on the side connected to the injection mold 5. The first positioning ring 58 is inserted into the first positioning ring groove, and a second rubber gasket 6 is placed in the first positioning ring 58; the second rubber gasket 6 is located between the injection mold 5 and the extrusion mold 7; the injection mold 5 and the extrusion mold 7 are connected by bolts; and the extrusion mold 7 and the transition section In the connection between 8, the glue extrusion mold 7 is provided with a second positioning ring 81 on the side of the transition section 8 connected to the glue extrusion mold 7, and the transition section 8 is provided with a second positioning ring groove corresponding to the second positioning ring 81 on the side of the transition section 8 connected to the glue extrusion mold 7. The second positioning ring 81 is inserted into the second positioning ring groove, and a third rubber gasket 74 is placed in the second positioning ring 81; the third rubber gasket 74 is located between the transition section 8 and the glue extrusion mold 7; the transition section 8 and the glue extrusion mold 7 are connected by bolts; the connection between the injection mold 5 of the present invention and the glue extrusion mold 7 is more convenient, and the connection between the glue extrusion mold 7 and the transition section 8 is more convenient.

[0034] Specifically, an embodiment of the present invention provides an integrated injection and curing device, in which the yarn feeding plate 2 is designed to be circular and used for pultruding a solid core rod with a diameter of φ20. Each yarn feeding hole is used to pass 2-4 balls of yarn. 2 balls of yarn are selected again, and the cross-sectional area of ​​the yarn feeding hole is 1.2 times the cross-sectional area of ​​the yarn. The yarn feeding hole can be circular or elliptical or other shapes. The elliptical shape is selected here. The internal cone section of the injection mold 5 and the extrusion mold 7 is designed to be 15°, the length of the injection mold 5 is designed to be 60cm, and the heating temperature of the injection mold 5 is set to 40°C. The length of the extrusion mold 7 is designed to be 40cm, the length of the transition section 8 is designed to be 30cm, the length of the waist-shaped opening 83 is 20cm, and the width is 4cm. The waist-shaped opening 83 can be designed to be 4, and the heating of the curing mold 10 can be designed to be 4-stage heating, and the temperature can be set according to the performance of the resin system.

[0035] Specifically, in an embodiment of the present invention, the yarn feeding plate 2 may be designed to be circular, the diameter of the solid core rod used for pultruding the surface guide felt is φ30, each yarn feeding hole is used to feed 3 balls of yarn, and the cross-sectional area of ​​the yarn feeding hole is 1.25 times the cross-sectional area of ​​the yarn. The yarn feeding hole may be circular, and the fiber felt passes through the semi-circular hole in two halves. The fiber felt has a gram weight of 45g / m2, and the fiber felt has overlaps to ensure that the surface fiber felt is fully covered. The internal cone section of the injection mold 5 and the extrusion mold 7 is designed to be 10°, the length of the injection mold 5 is designed to be 60cm, and the heating temperature of the injection mold 5 is set to 35°C. The length of the extrusion mold 7 is designed to be 32cm, the length of the transition section 8 is designed to be 40cm, the length of the waist-shaped opening 83 is 30cm, and the width is 6cm. The waist-shaped opening 83 can be designed to be 3, and the heating of the curing mold 10 can be designed to be 5-stage heating, and the temperature can be set according to the performance of the resin system.

Claims

1. An integrated injection and curing device, characterized in that: The invention comprises a glue injection mold (5), a yarn threading plate (2), a glue extrusion mold (7), a transition section (8) and a curing mold (10); one end of the glue injection mold (5) is detachably connected to the yarn threading plate (2), and the other end is connected to the glue extrusion mold (7); the transition section (8) is connected between the glue extrusion mold (7) and the curing mold (10) for heat insulation; the outer side of the glue injection mold (5) is connected to a silicone heating ring (53); the glue injection mold (5) is provided with a glue injection hole (54); the glue injection mold (5) is provided with a cone The conical segment surface (52) is provided with a diameter gradually decreasing from the end close to the threading plate (2) to the end close to the glue extrusion mold (7); the glue extrusion mold (7) is provided with an extended conical surface (71) extending from the conical segment surface (52) on the side connected to the glue injection mold (5); the glue injection mold (5) is provided with a glue discharge hole (56) at the end with the largest diameter of the conical segment surface (52); the glue injection mold (5) is also connected to a thermometer for detecting temperature; and a heating block (102) is installed on the outside of the curing mold (10).

2. The injection-curing integrated device according to claim 1, characterized in that: The threading plate (2) is circular with fiber felt holes (22) or circular without fiber felt holes (22) or square with fiber felt holes (22) or square without fiber felt holes (22).

3. The injection-curing integrated device according to claim 2, characterized in that: The yarn threading plate (2) is detachably connected to the glue injection mold (5) via a sealing ring (3); the sealing ring (3) is detachably connected to the glue injection mold (5), and the yarn threading plate (2) is locked between the sealing ring (3) and the glue injection mold (5).

4. The injection-curing integrated device according to claim 3, characterized in that: The threading plate (2) is circular with fiber felt holes (22) or circular without fiber felt holes (22); the end-sealing ring (3) is threadedly connected to the injection mold (5); an anti-loosening device is provided between the end-sealing ring (3) and the injection mold (5) to prevent the end-sealing ring (3) and the injection mold (5) from rotating relative to each other; the anti-loosening device comprises a limiting sleeve (31) sleeved on the injection mold (5); the limiting sleeve (31) is connected to the injection mold (5) by bolts; the end of the end-sealing ring (3) is connected to a limiting ring plate (36); the outer periphery of the limiting sleeve (31) is laterally slidably connected with an insertion rod (32); the limiting ring plate (36) is provided with an insertion hole (33) corresponding to the insertion rod (32); one end of the insertion rod (32) is inserted into the insertion hole (33), and the other end passes through the limiting sleeve (31) and is connected to a connecting block (34); a spring (35) is connected between the connecting block (34) and the limiting sleeve (31); one end of the spring (35) is welded to the connecting block (34), and the other end is welded to the limiting sleeve (31).

5. The integrated injection and curing device according to claim 3, characterized in that: The threading plate (2) is square with fiber felt holes (22) or square without fiber felt holes (22); the sealing ring (3) is connected to the injection mold (5) by bolts.

6. The integrated injection and curing device according to claim 3, characterized in that: A first rubber gasket (4) is connected between the yarn threading plate (2) and the glue injection mold (5).

7. The integrated injection and curing device according to claim 1, characterized in that: The heating blocks (102) of the injection mold (5) and the curing mold (10) are both provided with thermometer sockets (55); thermometers are inserted into the thermometer sockets (55); and the thermometers are mercury thermometers.

8. The integrated injection and curing device according to claim 1, characterized in that: The side of the injection mold (5) connected to the extrusion mold (7) is provided with a first positioning ring (58); the side of the extrusion mold (7) connected to the injection mold (5) is provided with a first positioning ring groove corresponding to the first positioning ring (58); the first positioning ring (58) is inserted into the first positioning ring groove, and a second rubber gasket (6) is placed in the first positioning ring (58); the second rubber gasket (6) is located between the injection mold (5) and the extrusion mold (7); the injection mold (5) and the extrusion mold (7) are connected by bolts. ; The rubber extrusion die (7) is provided with a second positioning ring (81) on its side connected to the transition section (8); The transition section (8) is provided with a second positioning ring groove corresponding to the second positioning ring (81) on its side connected to the rubber extrusion die (7); The second positioning ring (81) is inserted into the second positioning ring groove, and a third rubber gasket (74) is placed in the second positioning ring (81); The third rubber gasket (74) is located between the transition section (8) and the rubber extrusion die (7); The transition section (8) and the rubber extrusion die (7) are connected by bolts.

9. The integrated injection and curing device according to claim 1, characterized in that: The transition section (8) is hollow; a heat insulating gasket (9) is provided between the transition section (8) and the curing mould (10); the transition section (8) and the curing mould (10) are connected by bolts; and a waist-shaped opening (83) is provided on the transition section (8) for conveniently observing the yarn dipping condition and reducing heat transfer of the curing mould (10).

10. The integrated injection and curing device according to claim 1, characterized in that: The internal taper of the glue injection mold (5) and the glue extrusion mold (7) is set to 5-20°.

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