Rubber tube vulcanizing mold with limiting structure

Abstract

The utility model belongs to the field of rubber tube vulcanizing molds, and particularly relates to a rubber tube vulcanizing mold with a limiting structure, which comprises a mold sleeve and a mold core, a retainer ring is fixedly connected to the inner wall of the mold sleeve, the mold core is slidably connected to the inner side of the retainer ring, and an inner threaded sleeve is connected to the outer side of the mold sleeve through threads. A limiting pin is slidably connected into the side wall of the die sleeve and penetrates through the die sleeve, and one end of the limiting pin abuts against the inner threaded sleeve. The limiting pins penetrating through the inner wall of the die sleeve are arranged on the die sleeve, the springs are arranged on the limiting pins, then the inner threaded sleeve in threaded connection with the die sleeve is arranged on the outer side of the die sleeve, and after the die core is inserted into the die sleeve and is positioned through the positioning block, the limiting pins are stressed to retract inwards by screwing the inner threaded sleeve, so that the die core is tightly pressed. In this way, the mold core can be limited, the use stability of the mold core is guaranteed, and then the consistency of the gap between the mold core and the mold sleeve is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber pipe vulcanization mould field, concretely is a rubber pipe vulcanization mould with limit structure. BACKGROUND

[0002] The rubber pipe vulcanization mould is composed of a mould core and a mould cover, in order to improve the stability of the mould during vulcanization, avoid the change of product size caused by the loose cooperation between the mould core and the mould cover, the mould core and the mould cover are usually firmly fixed.

[0003] Through the search, in the utility model patent of authorized announcement no. CN204977145U, a kind of rubber pipe vulcanization mould is disclosed, it is related to mould equipment field, including mould core and mould cover, the mould core port is sequentially provided with first circular table, second circular table, first card table, second card table and third circular table from outside to inside, first sliding slot is arranged on the outer wall of second circular table and first card table along the axis direction, a circle of second sliding slot is arranged between first card table and second card table.

[0004] And the existing rubber pipe vulcanization mould, due to the gap between the mould core and the mould cover, the two are prone to loose. Therefore, it needs to be improved. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of rubber pipe vulcanization mould with limit structure, solve the existing rubber pipe vulcanization mould, due to the gap between the mould core and the mould cover, the two are prone to loose.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of rubber pipe vulcanization mould with limit structure, including mould cover and mould core, the inner wall of the mould cover is fixedly connected with baffle ring, the inner side of the baffle ring is slidably connected with mould core, the outer side of the mould cover is connected with internal thread sleeve by screw thread, the inner wall of the mould cover is slidably connected with limit pin, and the limit pin passes through the mould cover and is arranged, one end of the limit pin is in contact with the internal thread sleeve, the other end of the limit pin is inserted with the mould core, the pin body of the limit pin is slidably connected with baffle ring, the baffle ring is in contact with the mould core, the pin body of the limit pin is fixedly connected with fixed ring, the wide mouth inner side of the internal thread sleeve is provided with anti-loosening mechanism.

[0007] Preferably, the fixed ring and the baffle ring are jointly fixedly connected with spring one, and the spring one is sleeved on the outer side of the limit pin. The elastic force of the spring one can act on the limit pin through the fixed ring.

[0008] Preferably, the end of the mould core is fixedly connected with positioning block, and the positioning block is clamped with the mould cover. Through the setting of the positioning block, the position of the mould core in the mould cover is positioned.

[0009] Preferably, the anti-loosening mechanism comprises a plurality of fixed rods fixedly connected to the inner wall of the wide mouth of the internally threaded sleeve, a hollow sleeve fixedly connected between the fixed rods, a slide pin slidably connected inside the hollow sleeve and penetrating through the hollow sleeve, a pull block fixedly connected to one end of the slide pin, a slide piece fixedly connected to the other end of the slide pin and slidably connected to the inner side of the hollow sleeve, a square block fixedly connected to the side of the slide piece away from the slide pin, and a clamping sleeve fixedly connected to the end of the mold sleeve and clamped with the square block. The anti-loosening mechanism prevents loosening of the internally threaded sleeve.

[0010] Preferably, a spring two is sleeved outside the pin body of the slide pin, one end of the spring two is fixedly connected with the slide piece, and the other end of the spring two is fixedly connected to the inner surface of the hollow sleeve. The spring two can apply elastic force to the square block through the slide piece.

[0011] Preferably, a sealing sleeve is fixedly connected to the outside of the mold sleeve, an injection pipe is fixedly connected inside the sealing sleeve and penetrates through the sealing sleeve, an annular groove and a through hole are formed in the side wall of the mold sleeve and communicate with each other, and the annular groove and the through hole are located correspondingly to the sealing sleeve. The material is added to the annular groove through the injection pipe and then filled into the gap between the mold sleeve and the mold core through the through hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a plurality of limiting pins penetrating through the inner wall of the mold sleeve, a spring is arranged on the limiting pin, an internally threaded sleeve is threadedly connected to the outside of the mold sleeve, when the mold core is inserted into the mold sleeve and positioned by the positioning block, the limiting pin is retracted under stress by screwing the internally threaded sleeve, and the limiting pin is inserted into the mold core, so that the mold core is positioned, the stability during use is guaranteed, and the consistency of the gap between the mold core and the mold sleeve is guaranteed.

[0014] 2. The utility model discloses an anti-loosening mechanism arranged on the inner side of the wide mouth of the internally threaded sleeve, after the internally threaded sleeve is screwed in place, the slide pin is controlled by the pull block, the square block at the end of the slide pin is clamped with the clamping sleeve on the mold sleeve, so that the loosening of the internally threaded sleeve is prevented, and the stable positioning of the limiting pin on the mold core is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a whole structure solid Figure 1 ;

[0016] Figure 2 The utility model discloses a whole structure solid Figure 2 ;

[0017] Figure 3 The utility model discloses a whole structure solidFigure 1 a front view of the sectional view;

[0018] Figure 4 the utility model discloses Figure 3 the A part structure enlarged view of

[0019] In the figure: 1, die cover; 2, die core; 3, internal thread cover; 4, limit pin; 5, baffle ring; 6, fixed ring; 7, spring one; 8, baffle; 9, anti-loosening mechanism; 10, positioning block; 11, sealing cover; 12, injection pipe; 201, annular groove; 202, through hole; 91, fixed rod; 92, hollow cover; 93, sliding pin; 94, pull block; 95, sliding sheet; 96, spring two; 97, square block; 98, clamping sleeve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4 A rubber tube vulcanization mold with limiting structure, including die cover 1 and die core 2, the inner wall of die cover 1 is fixedly connected with baffle 8, the inner side of baffle 8 is slidably connected with die core 2, the outside of die cover 1 is connected with internal thread cover 3 by screwing, the inside of the side wall of die cover 1 is slidably connected with limit pin 4, and limit pin 4 is arranged through die cover 1, one end of limit pin 4 is in contact with internal thread cover 3, the other end of limit pin 4 is inserted with die core 2, baffle ring 5 is slidably connected on the pin body of limit pin 4, baffle ring 5 is in contact with die core 2, fixed ring 6 is fixedly connected on the pin body of limit pin 4, the end of die core 2 is fixedly connected with positioning block 10, and positioning block 10 is clamped with die cover 1. Through the setting of positioning block 10, the position of die core 2 in die cover 1 is positioned.

[0022] Please refer to Figures 1-3The wide-mouth inner side of the internally-threaded sleeve 3 is provided with an anti-loosening mechanism 9, which has an anti-loosening effect on the internally-threaded sleeve 3, and the anti-loosening mechanism 9 comprises a plurality of fixed rods 91 fixedly connected to the inner wall of the wide mouth of the internally-threaded sleeve 3, a plurality of fixed rods 91 are fixedly connected to each other, a hollow sleeve 92 is fixedly connected between the plurality of fixed rods 91, a sliding pin 93 is slidably connected in the hollow sleeve 92, and the sliding pin 93 penetrates through the hollow sleeve 92, one end of the sliding pin 93 is fixedly connected to a pull block 94, the other end of the sliding pin 93 is fixedly connected to a sliding piece 95, and the sliding piece 95 is slidably connected to the inner side of the hollow sleeve 92, the side of the sliding piece 95 away from the sliding pin 93 is fixedly connected to a square block 97, a clamping sleeve 98 is fixedly connected to the end of the mold sleeve 1, and the clamping sleeve 98 is clamped with the square block 97. A spring 96 is arranged on the outer side of the pin body of the sliding pin 93, one end of the spring 96 is fixedly connected to the sliding piece 95, and the other end of the spring 96 is fixedly connected to the inner surface of the hollow sleeve 92. Through the arrangement of the spring 96, the elastic force can be applied to the square block 97 through the sliding piece 95.

[0023] Please refer to Figures 1-3 A sealing sleeve 11 is fixedly connected to the outer side of the mold sleeve 1, an injection pipe 12 is fixedly connected in the sealing sleeve 11, and the injection pipe 12 penetrates through the sealing sleeve 11, a ring groove 201 and a through hole 202 are formed in the side wall of the mold sleeve 1 and communicate with each other, and the positions of the ring groove 201 and the through hole 202 correspond to the sealing sleeve 11. The material is added to the ring groove 201 through the injection pipe 12, and then filled between the gap between the mold sleeve 1 and the mold core 2 through the through hole 202.

[0024] The specific implementation process of the utility model is as follows: in use, first, the mold core 2 is inserted into the mold sleeve 1 and positioned by the positioning block 10, then the sliding pin 93 is pulled horizontally by the pull block 94, so that the square block 97 on the sliding piece 95 at the end of the sliding pin 93 is separated from the clamping sleeve 98, thereby releasing the restriction on the internally-threaded sleeve 3, then the internally-threaded sleeve 3 is screwed, the internally-threaded sleeve 3 moves leftward in the axial direction of the mold sleeve 1 through the threaded movement with the mold sleeve 1, and in the process of movement, an inward thrust is applied to the limit pin 4, and then the limit pin 4 is inserted into the mold core 2, so that the mold core 2 is limited, the stability in use is ensured, the consistency of the gap between the mold core 2 and the mold sleeve 1 is ensured, and finally the pull block 94 is loosened, so that the square block 97 is clamped with the clamping sleeve 98 on the mold sleeve 1, so that the loosening of the internally-threaded sleeve 3 is prevented, and the stable limiting of the limit pin 4 to the mold core 2 is ensured, finally, the material is then added to the ring groove 201 through the injection pipe 12, and then filled between the gap between the mold sleeve 1 and the mold core 2 through the through hole 202.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vulcanization mold for rubber tube with a limiting structure, comprising a mold jacket (1) and a mold core (2), characterized in that: The inner wall of the mold cover (1) is fixedly connected with a check ring (8), the inner side of the check ring (8) is slidably connected with a mold core (2), the outer side of the mold cover (1) is threadedly connected with an internally threaded sleeve (3), the inner wall of the mold cover (1) is slidably connected with a limiting pin (4), the limiting pin (4) penetrates the mold cover (1), one end of the limiting pin (4) abuts against the internally threaded sleeve (3), the other end of the limiting pin (4) is inserted into the mold core (2), the pin body of the limiting pin (4) is slidably connected with a check ring (5), the check ring (5) abuts against the mold core (2), the pin body of the limiting pin (4) is fixedly connected with a fixed ring (6), and the wide mouth inner side of the internally threaded sleeve (3) is provided with an anti-loosening mechanism (9).

2. The rubber tube vulcanization mold with a limiting structure according to claim 1, characterized in that: The fixed ring (6) and the check ring (5) are fixedly connected with a spring (7), and the spring (7) is arranged on the outer side of the limiting pin (4).

3. The rubber tube vulcanization mold with a limiting structure according to claim 1, characterized in that: The end of the mold core (2) is fixedly connected with a positioning block (10), and the positioning block (10) is clamped with the mold cover (1).

4. The rubber tube vulcanization mold with a limiting structure according to claim 1, characterized in that: The anti-loosening mechanism (9) comprises a plurality of fixed rods (91) fixedly connected to the wide mouth inner wall of the internally threaded sleeve (3), a plurality of the fixed rods (91) are fixedly connected with a hollow sleeve (92), the hollow sleeve (92) is slidably connected with a sliding pin (93), the sliding pin (93) penetrates the hollow sleeve (92), one end of the sliding pin (93) is fixedly connected with a pulling block (94), the other end of the sliding pin (93) is fixedly connected with a sliding piece (95), the sliding piece (95) is slidably connected to the inner side of the hollow sleeve (92), the side, away from the sliding pin (93), of the sliding piece (95) is fixedly connected with a square block (97), the end of the mold cover (1) is fixedly connected with a clamping sleeve (98), and the clamping sleeve (98) is clamped with the square block (97).

5. The rubber tube vulcanization mold with a limiting structure according to claim 4, characterized in that: The pin body of the sliding pin (93) is sleeved with a spring (96), one end of the spring (96) is fixedly connected with the sliding piece (95), and the other end of the spring (96) is fixedly connected to the inner surface of the hollow sleeve (92).

6. The rubber tube vulcanization mold with a limiting structure according to claim 1, characterized in that: The outer side of the mold cover (1) is fixedly connected with a sealing sleeve (11), the inner side of the sealing sleeve (11) is fixedly connected with a material injection pipe (12), the material injection pipe (12) penetrates the sealing sleeve (11), the side wall of the mold cover (1) is provided with a ring groove (201) and a through hole (202), the ring groove (201) and the through hole (202) are communicated, and the positions of the ring groove (201) and the through hole (202) correspond to the sealing sleeve (11).

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