Precise rubber sheet positioning type rubber sealing strip joint mold

Abstract

The utility model discloses a rubber sheet accurate positioning type rubber sealing strip joint mould, which comprises moulds on two sides, and the mould on each side comprises an upper mould, a lower mould, a middle mould A, a middle mould B and a middle mould C which are positioned between the upper mould and the lower mould, and further comprises an outer pressing sleeve, the left side outer walls of the upper die, the lower die, the middle die A, the middle die B and the middle die C of the left side die are provided with left side slopes with the same inclination as the left inner side slope of the outer pressing sleeve, the right side outer walls of the upper die, the lower die, the middle die A, the middle die B and the middle die C of the right side die are provided with right side slopes with the same inclination as the right inner side slope of the outer pressing sleeve, and a mounting groove is formed in the bottom of the outer pressing sleeve; the die further comprises a film limiting ring, the film limiting ring is located in annular grooves formed in the left die and the right die, the height of the film limiting ring is m, and the distance between the bottoms of the annular grooves in the left die and the right die is n, n / 2lt. M < = n. And when the mold is fixed and jacked up and down, the mold can be fixed and jacked left and right at the same time, and the circular film cannot deviate during carrying.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rubber sealing strip joint die, in particular to a rubber sealing strip joint die with film accurate positioning. BACKGROUND

[0002] The rubber sealing strip joint die in the prior art comprises opposite moulds on the left and right sides, the shape of the mould cavity corresponds to the external contour of the rubber sealing strip, the mould on each side comprises an upper mould, a lower mould and middle moulds A, B and C between the upper and lower moulds, and the upper mould, the lower mould, the middle mould A, the middle mould B and the middle mould C of each side mould are assembled together to form the mould cavity, and the fastening bolts for fastening and connecting the upper mould, the lower mould, the middle mould A, the middle mould B and the middle mould C together are arranged on each side mould.

[0003] The rubber sealing strip joint die in the prior art has a cuboid shape on the left and right sides, the round film for joint is placed between the mould cavities of the left and right moulds during use, the upper and lower cylinders and the left and right cylinders of the special pneumatic docking machine are used to tightly fix the left and right moulds, and finally the joint operation of the rubber sealing strip can be realized.

[0004] The rubber sealing strip joint die in the prior art is tightly fixed on the special pneumatic docking machine, the rubber product enterprises usually have a flat vulcanizing machine, the flat vulcanizing machine has upper and lower hydraulic cylinders and can only complete the upper and lower tightly fixing operation, cannot complete the left and right tightly fixing operation of the left and right moulds, and cannot be directly used for the tightly fixing operation of the rubber sealing strip joint die, so that the special pneumatic docking machine needs to be purchased to complete the joint operation of the rubber sealing strip, thereby increasing the production cost of the enterprise, and the round film is placed between the mould cavities of the left and right moulds, and the round film is prone to deviation during the carrying of the left and right moulds, which can cause insufficient glue at the joint of the rubber sealing strip and defects in the joint quality. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of providing a film accurate positioning type rubber sealing strip joint die which can realize the left and right tightly fixing of the mould while the upper and lower tightly fixing of the mould is realized, and the round film is not prone to deviation during the carrying process.

[0006] To solve the above technical problems, the utility model discloses a rubber sealing strip joint mould of film precision positioning, including the mould cavity opposite mould of left and right two sides, the shape of mould cavity corresponds with the outside profile of rubber sealing strip, and each side's mould includes upper die, lower die and the middle die A, middle die B and middle die C between upper die and lower die, when the upper die, lower die, middle die A, middle die B and middle die C of each side mould are assembled together, the mould cavity is surrounded, and each side's mould is equipped with the fastening bolt that can fasten the upper die, lower die, middle die A, middle die B and middle die C together, its characterized in that: still including the outer pressure cover that can hold left and right two sides mould, the sidewall of outer pressure cover left and right two sides is opened respectively and is equipped with the opening for rubber sealing strip passes, and the inboard of left side wall of outer pressure cover left side forms left inboard inclined plane, and the inboard of right side wall forms right inboard inclined plane, and the left side outer wall of upper die, lower die, middle die A, middle die B and middle die C of left side mould forms left side inclined plane with the left inboard inclined plane gradient, and the right side outer wall of upper die, lower die, middle die A, middle die B and middle die C of right side mould forms right side inclined plane with the right inboard inclined plane gradient, when left and right two sides mould is placed in outer pressure cover, when the upper die on left and right two sides mould is pressed down, can make the mould cavity of left and right two sides mould relative tightly adhere together, the bottom of outer pressure cover forms the mounting groove, when the mould is in outer pressure cover, the bottom of lower die can be located in the mounting groove, still including the film limiting ring, and the corresponding mould cavity outer circumference of left and right relative mould is equipped with annular groove, and the film limiting ring is located in the annular groove of left and right mould and is equipped with annular groove, and the height of film limiting ring is m, and the distance between the groove bottom of annular groove on left and right mould is n, and n / 2 < m < n.

[0007] The rubber sealing strip joint mould with the above structure is used, the circular film is placed between the mould cavities of left and right two sides mould, left and right two sides mould are placed in outer pressure cover, then the utility model is placed on the flat curing press, because the left side outer wall of upper die, lower die, middle die A, middle die B and middle die C of left side mould forms left side inclined plane with the left inboard inclined plane gradient of outer pressure cover, and the right side outer wall of upper die, lower die, middle die A, middle die B and middle die C of right side mould forms right side inclined plane with the right inboard inclined plane gradient of outer pressure cover, when the utility model is fixed by upper and lower hydraulic cylinders, left and right two sides mould are also extruded and pressed tightly by the left and right inboard inclined plane of outer pressure cover, can make the mould cavity of left and right two sides mould relative tightly adhere together, after the technical features that the bottom of outer pressure cover forms the mounting groove, when the upper and lower pressing operation is carried out, left and right two sides mould can be prevented from sliding in the front and back directions, after setting up film limiting ring, the circular film can be placed in film limiting ring, and the circular film is not easy to deviate when left and right two sides mould are carried simultaneously, can realize the precision positioning of circular film, and can effectively guarantee the joint quality of sealing strip.

[0008] As the improvement of the utility model, the relationship between m and n is m=2n / 3.

[0009] Further, the relationship between m and n is m=3n / 4.

[0010] Further, the relationship between m and n is m=4n / 5.

[0011] Further, the relationship between m and n is m=n.

[0012] After the above technical features are adopted, the height of the film limiting ring is close to or equal to the distance between the groove bottoms of the annular grooves on the left and right molds, and the film limiting ring can simultaneously play a positioning role during simultaneous carrying of the left and right molds, so that the front and rear misalignment of the left and right molds can be prevented.

[0013] As a further improvement of the utility model, a guide pin is further arranged on each side of the mold to prevent relative horizontal displacement between the upper mold, the lower mold, the middle mold A, the middle mold B and the middle mold C. After the guide pin is arranged, smaller gap cooperation than the fastening bolt can be realized, and the relative horizontal displacement between the upper mold, the lower mold, the middle mold A, the middle mold B and the middle mold C can be more effectively prevented.

[0014] As a further improvement of the utility model, handrails are further fixed to the front and rear ends of the upper mold of each side of the mold. After the above technical features are adopted, the carrying of the mold is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in detail below with reference to the drawings.

[0016] Figure 1 is the main view structural schematic diagram of the film precise positioning type rubber sealing strip joint mold of the utility model.

[0017] Figure 2 is the plan view structural schematic diagram of the film precise positioning type rubber sealing strip joint mold of the utility model.

[0018] Figure 3 is the sectional view structural schematic diagram along the A-A line of the middle mold, and the rubber sealing strip is arranged in the mold cavity of the mold in the drawing. Figure 1

[0019] is the split schematic diagram of Figure 4 Figure 3

[0020] Figure 5 is the sectional view structural schematic diagram along the A-A line of the middle mold, and the rubber sealing strip is arranged in the mold cavity of the mold in the drawing. Figure 3

[0021] Figure 6 ​​​is the left side of the mold after being raised to the outside of the pressure set above Figure 1 .

[0022] Figure 7 is the left side of the schematic diagram. Figure 1

[0023] Figure 8 is the cross-sectional structure along the B-B line in Figure 2

[0024] Figure 9 is the right side of the mold after the film limiting ring is removed Figure 8 .

[0025] Figure 10 is the split schematic diagram of the left and right side molds in Figure 8

[0026] Figure 11 is the cross-sectional structure along the C-C line in Figure 2 DETAILED DESCRIPTION

[0027] Referring to Figure 1 - Figure 11 ​​​​The utility model discloses a rubber sealing strip joint mould of film precision positioning, including the mould 2 of opposite mould cavity 1 of left and right two sides, the shape of mould cavity 1 corresponds with the external contour of rubber sealing strip 9, and every side's mould 2 includes upper die 21, lower die 22 and the middle die A 23, middle die B 24 and middle die C 25 between upper die and lower die, and the upper die, lower die, middle die A, middle die B and middle die C of every side mould are assembled together and enclose the mould cavity 1, and every side's mould is equipped with the fastening bolt 3 of the upper die, lower die, middle die A, middle die B and middle die C fastening connection together, and it is characterized by: still including the outer pressure cover 4 of accommodating left and right two sides mould, and the side wall 41 of left and right two sides of outer pressure cover is equipped with the opening 42 of the rubber sealing strip 9 through respectively, and the inner side of the side wall of left side of outer pressure cover forms left inner side inclined plane 43, and the inner side of the side wall of right side forms right inner side inclined plane 44, and the left side outer wall of the upper die, lower die, middle die A, middle die B and middle die C of left side mould forms left side inclined plane 26 with the left inner side inclined plane 43 gradient, and the right side outer wall of the upper die, lower die, middle die A, middle die B and middle die C of right side mould forms right side inclined plane 27 with the right inner side inclined plane 44 gradient, when left and right two sides mould is placed in outer pressure cover, when the upper die on left and right two sides mould is pressed downward, can make left and right two sides mould relative mould cavity tightly adhere together, and the bottom of outer pressure cover 4 forms the mounting groove 45, and when the mould 2 in outer pressure cover, the bottom of lower die 22 can be located in the mounting groove just, still including the film limiting ring 28, and the relative mould cavity outer circumference of left and right moulds is equipped with annular groove 29 symmetrically, and the film limiting ring 28 is located in the annular groove 29 symmetrically equipped in left and right moulds, and the height of film limiting ring is m, and the distance between the groove bottom of annular groove on left and right moulds is n, and n / 2 < m <= n, and preferably, m=2 n / 3, m=3 n / 4, m=4 n / 5 or m= n, and every side's mould is equipped with the guide pin 5 of preventing the relative horizontal deviation between upper die, lower die, middle die A, middle die B and middle die C, and the front and rear ends of every side mould upper die 21 are fixed with handrails 6 respectively.

[0028] It can be understood that the above specific description of the utility model is only used for illustrating the utility model and is not limited to the technical scheme described in the utility model embodiment, and any modification or equivalent replacement to the utility model to achieve the same technical effect is within the protection scope of the utility model.

Claims

1. A precision positioning rubber sealing strip joint mold, comprising molds (2) with opposing mold cavities (1) on the left and right sides, wherein the shape of the mold cavity (1) corresponds to the outer contour of the rubber sealing strip, each mold (2) comprising an upper mold (21), a lower mold (22), and intermediate molds A (23), B (24), and C (25) located between the upper and lower molds, wherein the upper mold, lower mold, intermediate mold A, intermediate mold B, and intermediate mold C of each mold are assembled together to form the mold cavity (1), and each mold is equipped with fastening bolts (3) that can fasten the upper mold, lower mold, intermediate mold A, intermediate mold B, and intermediate mold C together, characterized in that: The left and right molds are accommodated in an outer pressing sleeve (4). The left and right side walls (41) of the outer pressing sleeve are respectively provided with openings (42) for the rubber sealing strips. The inner side of the left side wall of the outer pressing sleeve is provided with a left inner inclined surface (43), and the inner side of the right side wall of the outer pressing sleeve is provided with a right inner inclined surface (44). The left outer wall of the upper mold, the lower mold, the middle mold A, the middle mold B and the middle mold C of the left mold is provided with a left inclined surface (26) with the same inclination as the left inner inclined surface (43). The right outer wall of the upper mold, the lower mold, the middle mold A, the middle mold B and the middle mold C of the right mold is provided with a right inclined surface (27) with the same inclination as the right inner inclined surface (44). When the left and right molds are placed in the outer pressing sleeve and downward pressure is applied to the upper molds on the left and right molds, the opposite mold cavities of the left and right molds are tightly attached to each other. The bottom of the outer pressing sleeve (4) is provided with a mounting groove (45). When the mold (2) is located in the outer pressing sleeve, the bottom of the lower mold (22) can be located in the mounting groove. The rubber sheet limiting ring (28) is symmetrically provided on the outer circumferences of the opposite mold cavities of the left and right molds. The rubber sheet limiting ring (28) is located in the annular groove (29) symmetrically provided on the left and right molds. The height of the rubber sheet limiting ring is m, the distance between the groove bottoms of the annular grooves on the left and right molds is n, and n / 2 2. The precision film positioning rubber seal strip joint mold of claim 1, wherein: The relationship between m and n is m=2 n / 3.

3. The precision film positioning rubber seal strip joint mold of claim 1, wherein: The relationship between m and n is m=3 n / 4.

4. The precision film positioning rubber seal strip joint mold of claim 1, wherein: The relationship between m and n is m=4 n / 5.

5. The precision film positioning rubber seal joint mold of claim 1, wherein: The relationship between m and n is m= n.

6. The precision film positioning rubber seal joint mold of claim 1, wherein: The upper mold (21) of each mold is further provided with a guide pin (5) for preventing the relative horizontal displacement between the upper mold, the lower mold, the middle mold A, the middle mold B and the middle mold C.

7. The precision film positioning rubber seal joint mold of claim 1, wherein: The front and rear ends of the upper mold (21) of each mold are further respectively provided with a handrail (6).

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