Spray forming device for curing capsule

Abstract

The utility model relates to the technical field of tire curing bladder processing, in particular to a curing bladder injection molding device. The utility model discloses a curing capsule injection molding device which comprises a vertical mold device and an injection moving device, the vertical mold device comprises a boosting hydraulic cylinder, a lower mold base, an upper mold base, a lower mold core and an upper mold core. The lower die core is installed on the lower die base. The upper mold core is mounted on the upper mold base; the boosting hydraulic cylinder drives the lower mold base to do lifting motion relative to the upper mold base to realize mold opening and mold closing; the lower mold core and the upper mold core jointly form a mold cavity for forming a main body part of the curing bladder; a plurality of molded curing bladder main body components are hot-melted and spliced in the circumferential direction to form a complete curing bladder main body; the injection moving device comprises a base, a sliding seat, a sliding rail, a balance weight part, an electric index plate, a moving hydraulic cylinder, an injection pipe and an injection frame. The injection pipe is fixed to the injection frame. The utility model has the beneficial effect of being suitable for the processing of large-scale vulcanized capsules.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire vulcanization capsule processing technical field, especially a vulcanization capsule injection molding device. BACKGROUND

[0002] The vulcanization capsule is a hollow thin-walled rubber product, and is an essential auxiliary part for tire vulcanization production. A common processing method for the vulcanization capsule is to use an injection machine to process and form the vulcanization capsule by rubber injection molding. For large or super-large vulcanization capsules, the mold size is too large, and the injection machine has a large tonnage requirement. In addition, the vulcanization capsule has a large size, and the injection runner of the injection mold also has a large requirement, which is prone to injection defects of the finished product and has a high rejection rate. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a vulcanization capsule injection molding device to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A vulcanization capsule injection molding device comprises a vertical mold device and a spraying moving device. The vertical mold device comprises a booster hydraulic cylinder, a lower mold base, an upper mold base, a lower mold core, and an upper mold core. The lower mold core is installed to the lower mold base, and the upper mold core is installed to the upper mold base. The booster hydraulic cylinder drives the lower mold base to move up and down relative to the upper mold base to realize mold opening and closing. The lower mold core and the upper mold core jointly form a mold cavity for molding a vulcanization capsule main part. A plurality of molded vulcanization capsule main parts are heat-fused and spliced in the circumferential direction to form a complete vulcanization capsule main body.

[0006] The spraying moving device comprises a base, a sliding seat, a sliding rail, a counterweight, an electric protractor, a moving hydraulic cylinder, a spraying pipe, and a spraying frame. The spraying pipe is fixed to the spraying frame. A plurality of nozzles for spraying rubber raw materials of the vulcanization capsule are arranged on the spraying pipe. The electric protractor drives the spraying frame to rotate. The electric protractor and the counterweight are fixed to the sliding seat. The counterweight is arranged at one end of the sliding seat away from the spraying frame. The sliding rail is fixed to the base. The sliding seat is slidably installed to the sliding rail. The moving hydraulic cylinder pushes the sliding seat to slide along the sliding rail.

[0007] When the spraying pipe moves into the mold cavity, the protractor drives the spraying frame to rotate, so that the nozzles on the spraying pipe spray the rubber raw materials of the vulcanization capsule into the mold cavity along the mold cavity.

[0008] After the spraying pipe completes the spraying operation and moves out of the mold cavity, the booster hydraulic cylinder drives the lower mold base to move downward to close the mold and realize the pressure setting and shaping of the vulcanization capsule main part.

[0009] As a further embodiment of the utility model, multiple nozzles on the injection pipe are arranged along the cavity wall of the mold cavity; during the process that the electric index plate drives the injection pipe to rotate in the mold cavity, the distances from the multiple nozzles to the cavity wall of the mold cavity are equal.

[0010] As a further embodiment of the utility model, the injection frame comprises: a rotating shaft and a grid frame; the grid frame is fixed to the rotating shaft; both ends of the injection pipe are fixed to the rotating shaft; the middle part of the injection pipe is fixed to the grid frame.

[0011] As a further embodiment of the utility model, the grid frame comprises: multiple vertical rods and multiple horizontal rods; both ends of the vertical rod are fixed to the rotating shaft and the injection pipe respectively; each horizontal rod is fixed to multiple horizontal rods, and the multiple horizontal rods connect the multiple vertical rods into a whole;

[0012] As a further embodiment of the utility model, the injection moving device comprises: a feeding pipe for feeding into the injection pipe; the feeding pipe is communicated to one end of the injection pipe; the other end of the injection pipe is provided with a plug; the feeding pipe is a hose; the injection pipe is a rigid pipe.

[0013] As a further embodiment of the utility model, the vertical mold device further comprises: a top base and multiple guide assemblies; the guide assembly comprises: a guide rod and a guide sleeve; the guide rod passes through the guide sleeve; the guide sleeve slides along the guide rod; the guide sleeve is fixed to the upper mold base; both ends of the guide rod are fixed to the top base and the lower mold base; the booster hydraulic cylinder is installed to the top base.

[0014] As a further embodiment of the utility model, the cavity wall of the mold cavity of the lower mold core is provided with a pattern air groove of the vulcanization capsule.

[0015] The utility model discloses have advantages that: be applicable to the processing of large vulcanization capsule.

[0016] Combining the advantages of traditional injection molding and injection molding, compared with the traditional injection molding mode, cancel the pressure roller shaping, adopt the overall compression shaping of upper mold core, can also carry out heat preservation and pressure preservation, help to improve the quality of vulcanization capsule.

[0017] Compared with the traditional injection molding mode, it is not necessary to design a flow channel, the mold structure is relatively simple, the cost is low, a special injection machine is not needed, and the equipment cost is low.

[0018] Other features and advantages of the utility model will be disclosed in the following specific embodiments and drawings in detail. DRAWINGS

[0019] Figure 1 It is a vertical mold device of a vulcanization capsule injection molding device of the utility model;

[0020] Figure 2 It is Figure 1a right view of another perspective of the vertical mold device in the

[0021] Figure 3 is a schematic view of the injection moving device of the vulcanization capsule injection molding device of the utility model, and shows that the injection pipe is located outside the mold cavity.

[0022] Figure 4 is Figure 3 is another state schematic view of the injection moving device in the

[0023] Figure 5 is Figure 4 is another state schematic view of the injection moving device in the

[0024] Figure 6 is Figure 4 is a schematic view of the injection pipe and the injection frame of the injection moving device in the

[0025] List of reference signs: vertical mold device 10, booster hydraulic cylinder 11, lower mold base 12, upper mold base 13, lower mold core 14, upper mold core 15, guide assembly 17, guide rod 171, guide sleeve 172, injection moving device 20, base 21, sliding base 22, sliding rail 23, counterweight 24, electric protractor 25, moving hydraulic cylinder 26, injection pipe 27, nozzle 2701, feed pipe 271, injection frame 28, rotating shaft 281, grid frame 282. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As Figures 1 to 6 shown, a vulcanization capsule injection molding device comprises a vertical mold device 10 and an injection moving device 20.

[0028] The vertical mold device 10 comprises a booster hydraulic cylinder 11, a lower mold base 12, an upper mold base 13, a lower mold core 14 and an upper mold core 15. The lower mold core 14 is installed to the lower mold base 12. The upper mold core 15 is installed to the upper mold base 13. The booster hydraulic cylinder 11 drives the lower mold base 12 to move up and down relative to the upper mold base 13 to realize mold opening and closing. The lower mold core 14 and the upper mold core 15 jointly form a mold cavity for molding a vulcanization capsule main part. A plurality of molded vulcanization capsule main parts are heat-fused and spliced in a circumferential direction to form a complete vulcanization capsule main body.

[0029] The injection moving device 20 comprises a base 21, a sliding seat 22, a sliding rail 23, a counterweight 24, an electric indexing disc 25, a moving hydraulic cylinder 26, an injection pipe 27 and an injection frame 28. The injection pipe 27 is fixed to the injection frame 28. The injection pipe 27 is provided with a plurality of nozzles 2701 for injecting rubber raw material of the vulcanization capsule. The electric indexing disc 25 drives the injection frame 28 to rotate. The electric indexing disc 25 and the counterweight 24 are fixed to the sliding seat 22. The counterweight 24 is arranged at an end of the sliding seat 22 away from the injection frame 28. The sliding rail 23 is fixed to the base 21. The sliding seat 22 is slidably mounted to the sliding rail 23. The moving hydraulic cylinder 26 pushes the sliding seat 22 to slide along the sliding rail 23.

[0030] When the injection pipe 27 moves into the mold cavity, the indexing disc drives the injection frame 28 to rotate so that the nozzles 2701 on the injection pipe 27 inject rubber raw material of the vulcanization capsule into the mold cavity along the cavity wall of the mold cavity.

[0031] After the injection pipe 27 completes the injection operation and moves out of the mold cavity, the pressure hydraulic cylinder 11 drives the lower mold base 12 to move downward to perform mold closing to realize pressure maintaining and shaping of the vulcanization capsule main part.

[0032] As a preferred embodiment, the lower mold core 14 and the upper mold core 15 are provided with oil channels. Hot oil flows in the oil channels. Temperature control is realized through an oil heating system. In addition, an ejection system can also be provided as needed to demold and eject the molded vulcanization capsule main part in the mold cavity. As an optional embodiment, an external mechanical arm can also be provided to realize grabbing of the molded vulcanization capsule main part in the mold cavity through a pneumatic suction cup.

[0033] As a specific embodiment, the plurality of nozzles 2701 on the injection pipe 27 are arranged along the cavity wall of the mold cavity. During the process of the electric indexing disc 25 driving the injection pipe 27 to rotate in the mold cavity, the distances of the plurality of nozzles 2701 to the cavity wall of the mold cavity are equal.

[0034] As a specific embodiment, the injection frame 28 comprises a rotating shaft 281 and a grid frame 282. The grid frame 282 is fixed to the rotating shaft 281. Both ends of the injection pipe 27 are fixed to the rotating shaft 281. The middle part of the injection pipe 27 is fixed to the grid frame 282.

[0035] As a specific embodiment, the grid frame 282 comprises a plurality of vertical rods and a plurality of horizontal rods. Both ends of the vertical rod are respectively fixed to the rotating shaft 281 and the injection pipe 27. Each horizontal rod is fixed to the plurality of horizontal rods, and the plurality of horizontal rods connect the plurality of vertical rods as a whole.

[0036] As a specific embodiment, the injection moving device 20 comprises a feeding pipe 271 for feeding the injection pipe 27. The feeding pipe 271 is communicated to one end of the injection pipe 27. The other end of the injection pipe 27 is provided with a plug. The feeding pipe 271 is a flexible pipe. The injection pipe 27 is a rigid pipe.

[0037] As a specific embodiment, the vertical mold device 10 further comprises a top base and a plurality of guide assemblies 17. The guide assembly 17 comprises a guide rod 171 and a guide sleeve 172. The guide rod 171 passes through the guide sleeve 172. The guide sleeve 172 slides along the guide rod 171. The guide sleeve 172 is fixed to the upper mold base 13. Both ends of the guide rod 171 are fixed to the top base and the lower mold base 12. The booster hydraulic cylinder 11 is installed to the top base. The number of guide assemblies 17 is four, and the four guide assemblies 17 are arranged at the four corners of the lower mold base 12.

[0038] As a specific embodiment, the cavity wall of the mold cavity of the lower mold core 14 is provided with a pattern air groove of the vulcanization capsule.

[0039] Working principle: After the vertical mold device 10 opens the mold to take out the molded vulcanization capsule main part, the moving hydraulic cylinder 26 of the jet moving device 20 pushes the jet pipe 27 to move from the Figure 3 position to the Figure 4 position. The electric index plate 25 controls the rotation of the jet frame 28 to move into the mold cavity, and the jet pipe 27 uniformly scans the mold cavity under the drive of the electric index plate 25, while the jet pipe 27 sprays raw materials into the mold cavity. After the jetting is completed, the electric index plate 25 drives the jet frame 28 to rotate and move to the Figure 4 position. The moving hydraulic cylinder 26 retracts to return to the Figure 3 state. The vertical mold device 10 closes the mold to perform pressure retention and shaping. Then the vertical mold device 10 opens the mold to take out the molded vulcanization capsule main part, and completes a round of processing.

[0040] In the subsequent process, the molded vulcanization capsule main parts are hot-melt spliced at the head and tail to finally form a complete vulcanization capsule main body.

[0041] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0042] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A vulcanized capsule injection molding apparatus, characterized in that, The device comprises a vertical mold device (10) and a jet moving device (20). The vertical mold device (10) comprises a booster hydraulic cylinder (11), a lower mold base (12), an upper mold base (13), a lower mold core (14) and an upper mold core (15). The lower mold core (14) is installed to the lower mold base (12). The upper mold core (15) is installed to the upper mold base (13). The booster hydraulic cylinder (11) drives the lower mold base (12) to move up and down relative to the upper mold base (13) to realize mold opening and closing. The lower mold core (14) and the upper mold core (15) jointly form a mold cavity for molding a vulcanized capsule main body part. A plurality of molded vulcanized capsule main body parts are circumferentially hot-melt spliced to form a complete vulcanized capsule main body. The jet moving device (20) comprises a base (21), a sliding seat (22), a sliding rail (23), a counterweight (24), an electric index plate (25), a moving hydraulic cylinder (26), a jet pipe (27) and a jet frame (28). The jet pipe (27) is fixed to the jet frame (28). The jet pipe (27) is provided with a plurality of nozzles (2701) for jetting rubber raw materials of the vulcanized capsule. The electric index plate (25) drives the jet frame (28) to rotate. The electric index plate (25) and the counterweight (24) are fixed to the sliding seat (22). The counterweight (24) is arranged at one end of the sliding seat (22) away from the jet frame (28). The sliding rail (23) is fixed to the base (21). The sliding seat (22) is slidably installed to the sliding rail (23). The moving hydraulic cylinder (26) pushes the sliding seat (22) to slide along the sliding rail (23).

2. The vulcanized capsule jet molding device according to claim 1, wherein the plurality of nozzles (2701) on the jet pipe (27) are arranged along the cavity wall of the mold cavity. During the rotation of the jet pipe (27) in the mold cavity driven by the electric index plate (25), the distances from the plurality of nozzles (2701) to the cavity wall of the mold cavity are equal.

3. The vulcanized capsule jet molding device according to claim 1, wherein the jet frame (28) comprises a rotating shaft (281) and a grid frame (282). The grid frame (282) is fixed to the rotating shaft (281). Both ends of the jet pipe (27) are fixed to the rotating shaft (281). The middle part of the jet pipe (27) is fixed to the grid frame (282).

4. The vulcanized capsule jet molding device according to claim 3, wherein the grid frame (282) comprises a plurality of vertical rods and a plurality of horizontal rods. Both ends of each vertical rod are fixed to the rotating shaft (281) and the jet pipe (27) respectively. Each horizontal rod is fixed to a plurality of horizontal rods, and a plurality of horizontal rods connect a plurality of vertical rods into a whole.

5. The vulcanized capsule jet molding device according to claim 1, wherein ​ ​ ​ ​ The injection moving device (20) comprises a feeding pipe (271) feeding into the injection pipe (27); the feeding pipe (271) is communicated to one end of the injection pipe (27); the other end of the injection pipe (27) is provided with a plug; the feeding pipe (271) is a flexible pipe; and the injection pipe (27) is a rigid pipe.

6. The injection molding device for vulcanization capsules according to claim 1, characterized in that, The vertical mold device (10) further comprises a top base and a plurality of guide assemblies (17); the guide assembly (17) comprises a guide rod (171) and a guide sleeve (172); the guide rod (171) penetrates through the guide sleeve (172); the guide sleeve (172) slides along the guide rod (171); the guide sleeve (172) is fixed to the upper mold base (13); both ends of the guide rod (171) are fixed to the top base and the lower mold base (12); and the pressure boosting hydraulic cylinder (11) is installed to the top base.

7. The injection molding device for vulcanization capsules according to claim 1, characterized in that, The cavity wall of the mold cavity of the lower mold core (14) is provided with a pattern air groove of the vulcanization capsule.

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