CN210791773U - Water seal mould - Google Patents

Water seal mould Download PDF

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Publication number
CN210791773U
CN210791773U CN201921233555.5U CN201921233555U CN210791773U CN 210791773 U CN210791773 U CN 210791773U CN 201921233555 U CN201921233555 U CN 201921233555U CN 210791773 U CN210791773 U CN 210791773U
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die
core
mold
water seal
lower die
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CN201921233555.5U
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Chinese (zh)
Inventor
刘云甲
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Changzhou Domt Sealing Technology Co ltd
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Changzhou Domt Sealing Technology Co ltd
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Abstract

The utility model discloses a water seal mould, which comprises an upper mould and a lower mould, wherein the upper mould is provided with at least one upper mould core, the lower end part of the upper mould core is provided with a boss, and the boss is provided with an annular bulge; the lower die is provided with a lower die core assembly which corresponds to the upper die core one by one, the lower die core assembly comprises a lower die core connected to the lower die and a movable die core connected to the lower die core in an up-and-down sliding manner, and a die cavity is formed between the lower die core and the movable die core; when the upper die and the lower die are closed, the lug boss and the annular bulge extend into the die cavity and form a forming cavity for forming the water seal together with the lower die core and the movable die core in an enclosing manner. The utility model discloses can produce the water seal fast, improve production efficiency to simple structure, precision are high, can improve the shaping precision of water seal, improve the quality of product.

Description

Water seal mould
Technical Field
The utility model relates to a water seal mould.
Background
At present, a water seal is also called a water seal sealing ring, and the water seal commonly used in the existing market comprises a seal outer lip and a seal inner lip, wherein the seal outer lip is positioned on the excircle of the water seal and is in interference fit with a machine shell; the inner sealing lip is located on the inner circle of the water seal and is in interference fit with the rotating shaft, so that the water seal is installed at a position needing to be sealed, and the water sealing effect between the rotating shaft and the shell is achieved. However, the existing mold for producing the water seal is complex in structure and poor in precision, so that structural parameters of the produced water seal cannot meet design requirements, product quality is affected, and even sealing failure is caused.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a water seal mould, it can produce the water seal fast, improves production efficiency to simple structure, precision are high, can improve the shaping precision of water seal, improve the quality of product.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a water seal mould, water seal include sealed inner lip and sealed outer lip, and it includes:
the upper die is provided with at least one upper die core, the lower end part of the upper die core is provided with a boss, and the boss is provided with an annular bulge;
the lower die comprises an upper die core and a lower die core, wherein the upper die core is arranged on the upper die core, the lower die core is in one-to-one correspondence with the upper die core, the lower die core assembly comprises a lower die core connected to the lower die and a movable die core vertically connected to the lower die core in a sliding manner, and a die cavity is formed between the lower die core and the movable die core;
when the upper die and the lower die are closed, the lug boss and the annular bulge extend into the die cavity and surround with the lower die core and the movable die core to form a forming cavity for forming the water seal, wherein,
the shaping chamber is including being located the annular protruding with be used for the shaping down between the mold core the outer lip chamber of sealed outer lip, be located the annular protruding with be used for the shaping between the activity mold core the inner lip chamber of sealed inner lip, and be used for connecting the lower tip in outer lip chamber with the connection chamber of the lower tip in inner lip chamber.
Furthermore, the water seal mould also comprises connecting screws which are in one-to-one correspondence with the upper mould cores; wherein the content of the first and second substances,
the upper die is provided with upper mounting holes which correspond to the upper die cores one to one;
the upper die core is embedded in the corresponding upper mounting hole and provided with a screw hole matched with the connecting screw, so that the connecting screw can conveniently connect the corresponding upper die core in the upper mounting hole.
Further, the lower die is provided with lower mounting holes which are in one-to-one correspondence with the lower die cores and through holes which are in one-to-one correspondence with the lower mounting holes and are communicated with the corresponding lower mounting holes,
the lower mold cores are embedded in the corresponding lower mounting holes;
the movable mold core is vertically matched on the lower mold core in a sliding way and extends into the through hole.
Further, in order to fix the lower mold core, a plurality of fixing screws are connected to the lower mold through threads;
the screw cap of the fixing screw is abutted against the upper end edge part of at least one lower mold core, so that the fixing screw can fix the lower mold core abutted against the fixing screw on the lower mold.
Further, in order to limit the sliding range of the movable mold core, an inwards-convex abutting lug boss is arranged on the lower mold core;
the lower end part of the movable mold core is provided with a clamp spring groove, and a clamp spring which is used for abutting against the lower end part of the abutting boss to limit the movable mold core to continuously slide upwards when the movable mold core slides to the uppermost end is installed in the clamp spring groove;
the upper end of the movable mold core is provided with a limiting step, and the limiting step is used for abutting against the upper end of the abutting boss to limit the movable mold core to continuously slide downwards when the movable mold core slides to the lowest end.
The water seal mold also comprises a plurality of guide mechanisms which are arranged between the upper mold and the lower mold and used for guiding the upper mold and the lower mold to be closed;
the guide mechanism comprises a guide sleeve and a guide post, wherein,
the guide sleeve is arranged on any one of the upper die and the lower die;
the guide post is installed on the remaining one of the upper die and the lower die and is used for extending into the guide sleeve to guide the upper die and the lower die to be matched when the upper die and the lower die are matched.
Furthermore, the upper die is provided with upper connecting holes which are in one-to-one correspondence with the guide posts, and the guide posts are tightly matched and connected in the corresponding upper connecting holes;
the lower die is provided with lower connecting holes corresponding to the guide sleeves one by one, and the guide sleeves are connected in the corresponding lower connecting holes in a tight fit manner.
Further, in order to smoothly insert the guide post into the guide sleeve, the portion of the guide post extending into the guide sleeve is provided with a cylindrical portion and a tapered portion, wherein,
the conical part is connected to the lower end part of the cylindrical part, and the diameter of the lower end part of the conical part is smaller than that of the upper end part of the conical part;
the diameter of the cylindrical part is matched with the inner diameter of the guide sleeve.
Further, in order to smoothly split the upper die and the lower die, the water seal die further comprises at least one die splitting mechanism arranged between the upper die and the lower die, the die splitting mechanism comprises a spring and a spring seat, wherein,
one end part of the spring is connected to the spring seat;
the spring seat is connected to any one of the upper die and the lower die;
when the upper die and the lower die are in a die closing state, the other end of the spring abuts against the remaining one of the upper die and the lower die.
Furthermore, the upper die is provided with spring holes corresponding to the springs one to one, and the spring seats and the springs are installed in the spring holes.
After the technical scheme is adopted, firstly, rubber raw materials are placed in the die cavity, then the upper die and the lower die are closed, the boss and the annular bulge extend into the die cavity, the boss presses the rubber raw materials, the rubber raw materials are melted under the action of external heating, and then the rubber raw materials are pressed into the forming cavity to be formed into a water seal; and then the upper die and the lower die are separated, the water seal is left in the die cavity, and the movable die core is jacked upwards at the moment so as to take down the water seal. The mould has the advantages of realizing rapid production of the water seal, improving the production efficiency, along with simple structure and high precision, improving the forming precision of the water seal and improving the product quality.
Drawings
Fig. 1 is a schematic structural view of a water seal mold of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic view of a partial structure of the water seal mold of the present invention;
fig. 4 is a schematic structural view of the upper die of the present invention;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
fig. 6 is a schematic structural view of the lower mold of the present invention;
fig. 7 is a cross-sectional view taken along line C-C of fig. 6.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in figures 1-3, a water seal mould, water seal include sealed interior lip and sealed outer lip, and it includes:
the mold comprises an upper mold 1, wherein at least one upper mold core 2 is arranged on the upper mold 1, a boss 3 is arranged at the lower end part of the upper mold core 2, and an annular bulge 4 is arranged on the boss 3;
the lower die comprises a lower die 5, wherein a lower die core assembly which corresponds to the upper die core 2 one by one is arranged on the lower die 5, the lower die core assembly comprises a lower die core 6 connected to the lower die 5 and a movable die core 7 connected to the lower die core 6 in a vertically sliding manner, and a die cavity is formed between the lower die core 6 and the movable die core 7;
when the upper die 1 and the lower die 5 are closed, the boss 3 and the annular bulge 4 extend into the die cavity and surround with the lower die core 6 and the movable die core 7 to form a forming cavity for forming the water seal, wherein,
the forming cavities comprise an outer lip cavity 8 which is positioned between the annular protrusion 4 and the lower mold core 6 and is used for forming the outer sealing lip, an inner lip cavity 9 which is positioned between the annular protrusion 4 and the movable mold core 7 and is used for forming the inner sealing lip, and a connecting cavity 10 which is used for connecting the lower end part of the outer lip cavity 8 and the lower end part of the inner lip cavity 9; specifically, the upper mold cores 2 are distributed on the upper mold 1 in an array shape, and 81 upper mold cores are arranged in 9 rows and 9 columns.
As shown in fig. 2 to 5, the water seal mold may further include connecting screws 11 corresponding to the upper mold core 2 one to one; wherein the content of the first and second substances,
the upper die 1 is provided with upper mounting holes 12 which correspond to the upper die cores 2 one to one;
the upper mold cores 2 are embedded in the corresponding upper mounting holes 12 and provided with screw holes matched with the connecting screws 11, so that the connecting screws 11 can connect the corresponding upper mold cores 2 in the upper mounting holes 12; specifically, the upper mold core 2 is tightly matched with the upper mounting hole 12, and the interference magnitude is 0.01-0.02 mm.
As shown in fig. 2, 3, 6 and 7, the lower mold 5 may be provided with lower mounting holes 13 corresponding to the lower mold cores 6 one to one, and through holes 14 corresponding to the lower mounting holes 13 one to one and communicating with the corresponding lower mounting holes 13, wherein,
the lower mold cores 6 are embedded in the corresponding lower mounting holes 13;
the movable mold core 7 is matched on the lower mold core 6 in an up-and-down sliding way and extends into the passing hole 14; specifically, the lower mold core 6 is tightly matched with the corresponding lower mounting hole 13, and the interference magnitude is 0.01-0.02 mm.
As shown in fig. 1 and 2, a plurality of fixing screws 15 are screwed on the lower die 5;
the nut of the fixing screw 15 abuts against the upper end edge of at least one lower mold core 6, so that the fixing screw 15 fixes the lower mold core 6 abutting against the fixing screw on the lower mold 5; in this embodiment, there are 25 fixing screws 15, and each fixing screw 15 abuts against the upper edge portions of 4 lower cores 6.
As shown in fig. 2 and 3, an abutment boss 16 protruding inwards is arranged on the lower mold core 6;
a clamp spring groove is formed in the lower end part of the movable mold core 7, and a clamp spring 17 which is used for abutting against the lower end part of the abutting boss 16 to limit the movable mold core 7 to continuously slide upwards when the movable mold core 7 slides to the uppermost end is installed in the clamp spring groove;
the upper end part of the movable mold core 7 is provided with a limiting step 18, and the limiting step 18 is used for abutting against the upper end part of the abutting boss 16 to limit the movable mold core 7 to continuously slide downwards when the movable mold core 7 slides to the lowest end; specifically, when the upper die 1 and the lower die 5 are separated, the water seal is left in the die cavity, the movable die core 7 is jacked upwards at the time, and then the water seal is jacked up so as to be taken down.
As shown in fig. 1 and 2, the water-sealing mold further includes a plurality of guide mechanisms 100 disposed between the upper mold 1 and the lower mold 5 for guiding the upper mold 1 and the lower mold 5 to be closed;
the guide mechanism 100 includes a guide sleeve 19 and a guide post 20, wherein,
the guide sleeve 19 is mounted on any one of the upper die 1 and the lower die 5;
the guide post 20 is mounted on the remaining one of the upper die 1 and the lower die 5 and is used for extending into the guide sleeve 19 to guide the upper die 1 and the lower die 5 to be matched when the upper die 1 and the lower die 5 are matched; in this embodiment, the guide sleeve 19 is installed on the lower die 5, the guide post 20 is installed on the upper die 1, and the number of the guide mechanisms 100 is 4.
As shown in fig. 2, 4, 5, 6 and 7, the upper die 1 is provided with upper connecting holes 21 corresponding to the guide posts 20 one to one, the guide posts 20 are tightly connected in the corresponding upper connecting holes 21, and the interference magnitude is 0.01-0.02 mm;
the lower die 5 is provided with lower connecting holes 22 corresponding to the guide sleeves 19 one to one, the guide sleeves 19 are connected in the corresponding lower connecting holes 22 in a tight fit mode, and the interference magnitude is 0.01-0.02 mm.
As shown in fig. 2, the portion of the guide post 20 extending into the guide sleeve 19 is provided with a cylindrical portion 23 and a tapered portion 24, wherein,
the tapered portion 24 is connected to the lower end portion of the cylindrical portion 23, and the diameter of the lower end portion of the tapered portion 24 is smaller than that of the upper end portion thereof;
the diameter of the cylindrical portion 23 is matched to the inner diameter of the guide sleeve 19 so as to accurately position the upper and lower dies 1 and 5.
As shown in fig. 1 and 2, the water seal mold further comprises at least one mold splitting mechanism 200 disposed between the upper mold 1 and the lower mold 5, the mold splitting mechanism 200 comprises a spring 25 and a spring seat 26, wherein,
one end of the spring 25 is connected to the spring seat 26;
the spring seat 26 is connected to any one of the upper die 1 and the lower die 5;
when the upper die 1 and the lower die 5 are in a die-closing state, the other end of the spring 25 abuts against the remaining one of the upper die 1 and the lower die 5, so that when the upper die 1 and the lower die 5 are separated, the upper die 1 and the lower die 5 are urged to be separated by the elastic force of the spring 25; in this embodiment, there are 4 mold separation mechanisms 200.
As shown in fig. 1, 2, 4 and 5, the upper die 1 is provided with spring holes 27 corresponding to the springs 25 one by one, and the spring seats 26 and the springs 25 are both installed in the spring holes 27; specifically, the spring 25 is welded to the spring seat 26, and the spring seat 26 is connected to the spring hole 27 by a fastener.
The working principle of the utility model is as follows:
firstly, placing a rubber raw material in the mold cavity, then closing the upper mold 1 and the lower mold 5, extending the boss 3 and the annular bulge 4 into the mold cavity, pressing the rubber raw material by the boss 3, melting the rubber raw material under the action of external heating, and then pressing the rubber raw material into the molding cavity to mold into a water seal; then the upper die 1 and the lower die 5 are separated, the water seal is remained in the die cavity, and the movable die core 7 is jacked upwards at the moment so as to be taken down. The mould has the advantages of realizing rapid production of the water seal, improving the production efficiency, along with simple structure and high precision, improving the forming precision of the water seal and improving the product quality.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (10)

1. The utility model provides a water seal mould, water seal include sealed inner lip and sealed outer lip, its characterized in that, it includes:
the mold comprises an upper mold (1), wherein at least one upper mold core (2) is arranged on the upper mold (1), a boss (3) is arranged at the lower end part of the upper mold core (2), and an annular bulge (4) is arranged on the boss (3);
the lower die comprises a lower die (5), wherein a lower die core assembly which corresponds to the upper die core (2) one by one is arranged on the lower die (5), the lower die core assembly comprises a lower die core (6) connected to the lower die (5) and a movable die core (7) which is connected to the lower die core (6) in an up-and-down sliding manner, and a die cavity is formed between the lower die core (6) and the movable die core (7);
when the upper die (1) and the lower die (5) are closed, the boss (3) and the annular bulge (4) extend into the die cavity and surround with the lower die core (6) and the movable die core (7) to form a forming cavity for forming the water seal, wherein,
the shaping chamber is including being located annular arch (4) with be used for the shaping down between mold core (6) outer lip chamber (8), being located sealed outer lip protruding (4) with be used for the shaping between activity mold core (7) inner lip chamber (9) of sealed inner lip, and be used for connecting the lower tip of outer lip chamber (8) with connect chamber (10) of the lower tip of inner lip chamber (9).
2. The water seal mold according to claim 1,
the die also comprises connecting screws (11) which correspond to the upper die core (2) one to one; wherein the content of the first and second substances,
the upper die (1) is provided with upper mounting holes (12) which correspond to the upper die cores (2) one by one;
the upper mold cores (2) are embedded in the corresponding upper mounting holes (12) and provided with screw holes matched with the connecting screws (11), so that the corresponding upper mold cores (2) are connected in the upper mounting holes (12) through the connecting screws (11).
3. The water seal mold according to claim 1, wherein the lower mold (5) is provided with lower mounting holes (13) corresponding to the lower mold cores (6) one by one and through holes (14) corresponding to the lower mounting holes (13) one by one and communicating with the corresponding lower mounting holes (13), wherein,
the lower mold cores (6) are embedded in the corresponding lower mounting holes (13);
the movable mold core (7) is vertically matched on the lower mold core (6) in a sliding way and extends into the passing hole (14).
4. The water seal mold according to claim 3,
a plurality of fixing screws (15) are connected to the lower die (5) in a threaded manner;
the nut of the fixing screw (15) is abutted against the upper end edge of at least one lower mold core (6), so that the fixing screw (15) fixes the lower mold core (6) abutted against the fixing screw on the lower mold (5).
5. The water seal mold according to claim 3,
the lower mold core (6) is provided with an inward convex abutting boss (16);
a clamp spring groove is formed in the lower end part of the movable mold core (7), and a clamp spring (17) which is used for abutting against the lower end part of the abutting boss (16) to limit the movable mold core (7) to continuously slide upwards when the movable mold core (7) slides to the uppermost end is installed in the clamp spring groove;
the upper end of the movable mold core (7) is provided with a limiting step (18), and the limiting step (18) is used for abutting against the upper end of the abutting boss (16) to limit the movable mold core (7) to continuously slide downwards when the movable mold core (7) slides to the lowest end.
6. The water seal mold according to claim 1,
the die further comprises a plurality of guide mechanisms (100) which are arranged between the upper die (1) and the lower die (5) and used for guiding the upper die (1) and the lower die (5) to be matched;
the guide mechanism (100) comprises a guide sleeve (19) and a guide post (20), wherein,
the guide sleeve (19) is arranged on any one of the upper die (1) and the lower die (5);
the guide post (20) is mounted on the remaining one of the upper die (1) and the lower die (5) and is used for extending into the guide sleeve (19) to guide the upper die (1) and the lower die (5) to be matched when the upper die (1) and the lower die (5) are matched.
7. The water seal mold according to claim 6,
the upper die (1) is provided with upper connecting holes (21) which are in one-to-one correspondence with the guide posts (20), and the guide posts (20) are tightly matched and connected in the corresponding upper connecting holes (21);
the lower die (5) is provided with lower connecting holes (22) corresponding to the guide sleeves (19) one to one, and the guide sleeves (19) are connected in the corresponding lower connecting holes (22) in a tight fit mode.
8. Water seal mould according to claim 7, characterised in that the part of the guide post (20) extending into the guide sleeve (19) is provided with a cylindrical part (23) and a conical part (24), wherein,
the conical part (24) is connected to the lower end part of the cylindrical part (23), and the diameter of the lower end part of the conical part (24) is smaller than that of the upper end part of the conical part;
the diameter of the cylindrical part (23) is matched with the inner diameter of the guide sleeve (19).
9. The water seal mould according to claim 1, further comprising at least one die parting mechanism (200) arranged between the upper mould (1) and the lower mould (5), wherein the die parting mechanism (200) comprises a spring (25) and a spring seat (26), wherein,
one end of the spring (25) is connected to the spring seat (26);
the spring seat (26) is connected to any one of the upper die (1) and the lower die (5);
when the upper die (1) and the lower die (5) are in a die-closing state, the other end of the spring (25) abuts against the remaining one of the upper die (1) and the lower die (5).
10. The water seal die according to claim 9, wherein the upper die (1) is provided with spring holes (27) corresponding to the springs (25) one by one, and the spring seats (26) and the springs (25) are installed in the spring holes (27).
CN201921233555.5U 2019-08-01 2019-08-01 Water seal mould Active CN210791773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921233555.5U CN210791773U (en) 2019-08-01 2019-08-01 Water seal mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921233555.5U CN210791773U (en) 2019-08-01 2019-08-01 Water seal mould

Publications (1)

Publication Number Publication Date
CN210791773U true CN210791773U (en) 2020-06-19

Family

ID=71243646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921233555.5U Active CN210791773U (en) 2019-08-01 2019-08-01 Water seal mould

Country Status (1)

Country Link
CN (1) CN210791773U (en)

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CP02 Change in the address of a patent holder

Address after: No. 251, Yanqiao, nanlanling village, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province, 213000

Patentee after: CHANGZHOU DOMT SEALING TECHNOLOGY Co.,Ltd.

Address before: 213000 new countryside north of five star street, bell tower area, Jiangsu, Changzhou

Patentee before: CHANGZHOU DOMT SEALING TECHNOLOGY Co.,Ltd.

CP02 Change in the address of a patent holder