CN210791778U - Die pressing lip oil seal die - Google Patents
Die pressing lip oil seal die Download PDFInfo
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- CN210791778U CN210791778U CN201921397161.3U CN201921397161U CN210791778U CN 210791778 U CN210791778 U CN 210791778U CN 201921397161 U CN201921397161 U CN 201921397161U CN 210791778 U CN210791778 U CN 210791778U
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- 238000007723 die pressing method Methods 0.000 title claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 32
- 239000010687 lubricating oil Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a die pressing lip oil seal mould, the die pressing lip oil seal includes the sealing body and wraps up the skeleton in the sealing body, be equipped with sealed lower lip on the sealing body, it includes top template, cope match-plate pattern, well template and the lower bolster that sets gradually from top to bottom, be equipped with the raw materials chamber and install at least one upper mold core on the cope match-plate pattern, be equipped with cope match-plate pattern and feedstock channel on the upper mold core; the middle die plate is provided with a middle die core, and a middle die channel is arranged on the middle die core; the lower die plate is provided with a lower die core assembly, and the lower die core assembly comprises a lower die core and a lower die head; the lower die core is connected to the lower die plate and provided with a lower die bulge matched with the middle die channel; the lower die bulge is provided with a positioning part which is used for being matched with the framework to position the framework. The utility model discloses can the sealed lower lip of direct forming, do not need follow-up cutting operation, improve the size precision of sealed lower lip, improve sealing performance to simple structure, low in manufacturing cost.
Description
Technical Field
The utility model relates to a mould pressing lip oil blanket mould.
Background
At present, an oil seal is a general name of a rotary shaft lip-shaped rubber seal ring and a reciprocating rubber seal ring, and the oil seal is an important mechanical part for sealing lubricating oil or lubricating grease so as not to leak to influence mechanical lubrication and pollute the environment, so the oil seal is an important functional mechanical part. The oil blanket has the sealed upper lip and the sealed lower lip that are used for offsetting with the rotation axis usually, scribble lubricating oil between sealed upper lip and the sealed lower lip, among the prior art, the oil blanket mostly is the cutting lip oil blanket, sealed upper lip and sealed lower lip all are the shaping before then the cutting forms promptly, at the in-process of cutting, size and precision have the error, especially when the size deviation design size of sealed lower lip, lubricating oil easily leaks, influence mechanical lubrication and sealing performance, lead to sealing failure even, seriously influence product quality.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a mould pressing lip oil blanket mould, it can the sealed lower lip of direct forming, does not need follow-up cutting operation, improves the size precision of sealed lower lip, improves sealing performance to simple structure, low in manufacturing cost.
In order to solve the technical problem, the technical scheme of the utility model is that: a die pressing lip oil seal die comprises a sealing body and a framework wrapped in the sealing body, wherein a sealing lower lip is arranged on the sealing body and comprises a top template, an upper template, a middle template and a lower template which are sequentially arranged from top to bottom, wherein,
the upper die plate is provided with a raw material cavity and at least one upper die core, and the upper die core is provided with an upper die cavity and a feeding channel for communicating the upper die cavity with the raw material cavity;
the middle die plate is provided with middle die cores which correspond to the upper die cores one to one, and middle die channels are arranged on the middle die cores;
the lower die plate is provided with lower die core assemblies which correspond to the middle die cores one by one, and each lower die core assembly comprises a lower die core and a lower die head;
the lower die core is connected to the lower die plate and provided with a lower die bulge matched with the middle die channel;
the lower die bulge is provided with a positioning part which is used for being matched with the framework to position the framework;
the lower die head is arranged on the lower die bulge;
a pressing bulge matched with the raw material cavity is arranged on the top template;
when the top template, the upper template, the middle template and the lower template are assembled, the material pressing bulge extends into the raw material cavity, the lower die bulge extends into the middle die channel, the upper end part of the middle die core extends into the upper die cavity, the upper die core, the middle die core, the lower die bulge and the lower die head surround to form a forming cavity for forming the die pressing lip oil seal, wherein,
the forming cavity is communicated with the feeding channel;
the positioning part is positioned in the molding cavity;
and a lower lip cavity for forming the lower sealing lip is formed between the lower die head and the positioning part.
Further provides a connection mode between the lower mold core and the lower template, the die pressing lip oil seal die also comprises connecting screws which are in one-to-one correspondence with the lower mold core, wherein,
the lower die plate is provided with lower die holes which are in one-to-one correspondence with the lower die cores and screw holes which are in one-to-one correspondence with the lower die holes and communicated with the corresponding lower die holes;
the lower end part of the lower mold core is tightly matched and connected in the lower mold hole and is provided with a threaded hole;
and the connecting screw penetrates through the screw hole and is connected with the threaded hole so as to fixedly connect the lower die core on the lower die plate.
The connection mode between the lower mold core and the lower mold head is further provided, and the upper end part of the lower mold bulge is provided with a mounting hole for tightly matching and connecting the lower mold head.
Further providing a connection mode between the middle template and the middle mold core, wherein the middle template is provided with middle mold holes corresponding to the middle mold cores one to one;
the middle die core is in clearance fit in the corresponding middle die hole;
the upper end part of the middle mold core is provided with a limiting step which is used for abutting against the upper end surface of the middle mold plate;
and a clamp spring which is used for abutting against the lower end surface of the middle template is installed at the lower end part of the middle mold core, so that the middle mold core is connected into the corresponding middle mold hole through the clamp spring and the limiting step.
The upper die is provided with upper die holes which are in one-to-one correspondence with the upper die cores and communicated with the raw material cavity, and the upper die cores are connected in the corresponding upper die holes in a tight fit manner.
Further, the upper end part of the lower die head is a spherical part, and a feeding gap for communicating the feeding channel and the forming cavity is formed between the spherical part and the upper die core.
Further, in order to guide the top template and the upper template to be matched, the die pressing lip oil seal die further comprises at least two first guide mechanisms arranged between the top template and the upper template, each first guide mechanism comprises a first guide sleeve and a first guide column, wherein,
the first guide sleeve is arranged on any one of the top template and the upper template;
one end of the first guide column is connected to the rest one of the top template and the upper template, and the other end of the first guide column is used for extending into the first guide sleeve to guide the top template and the upper template to be matched when the top template and the upper template are matched.
Further, in order to guide the upper die plate and the middle die plate to be matched, the die pressing lip oil seal die further comprises at least two second guide mechanisms arranged between the upper die plate and the middle die plate, each second guide mechanism comprises a second guide sleeve and a second guide column, wherein,
the second guide sleeve is arranged on any one of the upper template and the middle template;
one end of the second guide column is connected to the rest one of the upper template and the middle template, and the other end of the second guide column is used for extending into the second guide sleeve to guide the upper template and the middle template to be matched when the upper template and the middle template are matched.
Further, in order to guide the middle template and the lower template to be matched, the die pressing lip oil seal die further comprises at least two third guide mechanisms arranged between the middle template and the lower template, each third guide mechanism comprises a third guide sleeve and a third guide column, wherein,
the third guide sleeve is installed on any one of the middle template and the lower template;
one end of the third guide column is connected to the rest one of the middle template and the lower template, and the other end of the third guide column is used for extending into the third guide sleeve to guide the middle template and the lower template to be matched when the middle template and the lower template are matched.
After the technical scheme is adopted, the top template, the upper template, the middle template and the lower template are all in a die splitting state at first, then the middle template and the lower template are assembled, the lower die bulge of the lower die core extends into the middle die channel, and then the framework is placed on the positioning part; then the upper template and the middle template are matched, and rubber raw materials are put into the raw material cavity; then the top template and the upper template are matched, the material pressing bulge extends into the material cavity to press the rubber raw material, the rubber raw material is melted under the action of an external heater and is pressed into the forming cavity from the feeding channel to form the die pressing lip oil seal; and then the top template, the upper template, the middle template and the lower template are separated, and the die pressing lip oil seal is left on the middle die core. The lower die head is arranged on the lower die head, the lower die head is arranged on the.
Drawings
FIG. 1 is a top view of the die lip oil seal mold of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of the die lip oil seal die of the present invention during die parting;
fig. 4 is a partial enlarged view of the die lip oil seal die of the present invention.
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 fig. 1 to 4, a die pressing lip oil seal die comprises a sealing body and a framework 1 wrapped in the sealing body, wherein a sealing lower lip and a sealing upper lip are arranged on the sealing body, the die pressing lip oil seal die comprises a top template 2, an upper template 3, a middle template 4 and a lower template 5 which are sequentially arranged from top to bottom, wherein,
the upper die plate 3 is provided with a raw material cavity 6 and at least one upper die core 7, and the upper die core 7 is provided with an upper die cavity 8 and a feeding channel 9 for communicating the upper die cavity 8 with the raw material cavity 6; in this embodiment, the upper mold core 7 has 9 upper mold cores in 3 rows and 3 columns;
the lower die plate 5 is provided with lower die core 12 components which correspond to the middle die cores 10 one by one, and the lower die core 12 components comprise lower die cores 12 and lower die heads 13;
the lower mold core 12 is connected to the lower template 5 and provided with a lower mold bulge 14 matched with the middle mold channel 11;
a positioning part 15 which is used for being matched with the framework 1 to position the framework 1 is arranged on the lower die bulge 14;
the lower die head 13 is mounted on the lower die projection 14;
a material pressing bulge 16 matched with the raw material cavity 6 is arranged on the top template 2;
when the top template 2, the upper template 3, the middle template 4 and the lower template 5 are matched, the material pressing bulge 16 extends into the raw material cavity 6, the lower die bulge 14 extends into the middle die channel 11, the upper end part of the middle die core 10 extends into the upper die cavity 8, the upper die core 7, the middle die core 10, the lower die bulge 14 and the lower die head 13 surround to form a forming cavity for forming the die pressing lip oil seal, wherein,
the forming cavity is communicated with the feeding channel 9;
the positioning part 15 is positioned in the molding cavity;
a lower lip cavity 17 for forming the lower seal lip is formed between the lower die head 13 and the positioning part 15. Specifically, the top template 2, the upper template 3, the middle template 4 and the lower template 5 are all in a mold splitting state at first, then the middle template 4 and the lower template 5 are assembled, the lower mold bulge 14 of the lower mold core 12 extends into the middle mold channel 11, and then the framework 1 is placed on the positioning part 15; then the upper template 3 and the middle template 4 are matched, and rubber raw materials are put into the raw material cavity 6; then the top template 2 and the upper template 3 are matched, the material pressing bulge 16 extends into the raw material cavity 6 to press the rubber raw material, the rubber raw material is melted under the action of an external heater and is pressed into the forming cavity from the feeding channel 9 to form a die pressing lip oil seal, and the rubber raw material flows into the lower lip cavity 17 to be directly formed into the sealing lower lip, so that the size precision of the sealing lower lip is improved, the sealing performance is improved and the leakage of lubricating oil is avoided compared with the sealing lower lip formed by cutting; and then the top template 2, the upper template 3, the middle template 4 and the lower template 5 are separated, the die pressing lip oil seal is left on the middle die core 10, and finally the die pressing lip oil seal is taken down.
As shown in fig. 2 and 3, the die lip oil seal die further includes connecting screws 18 corresponding to the lower die core 12 one by one, wherein,
the lower die plate 5 is provided with lower die holes which are in one-to-one correspondence with the lower die cores 12 and screw holes which are in one-to-one correspondence with the lower die holes and communicated with the corresponding lower die holes;
the lower end part of the lower mold core 12 is tightly matched and connected in the lower mold hole and is provided with a threaded hole;
the connecting screw 18 penetrates through the screw hole and is connected with the threaded hole so as to fixedly connect the lower die core 12 to the lower die plate 5; specifically, the interference magnitude between the lower mold core 12 and the lower mold hole is 0.01-0.02 mm on both sides.
As shown in fig. 2 to 4, the upper end of the lower die protrusion 14 is provided with a mounting hole for tightly fitting and connecting the lower die head 13, and the interference between the lower die head 13 and the mounting hole is 0.01 to 0.02mm bilaterally.
As shown in fig. 2 and 3, the middle mold plate 4 may be provided with middle mold holes corresponding to the middle mold cores 10 one by one;
the middle mold core 10 is in clearance fit in the corresponding middle mold hole;
the upper end part of the middle mold core 10 is provided with a limiting step 19 which is used for abutting against the upper end surface of the middle mold plate 4;
and a clamp spring 20 which is used for abutting against the lower end surface of the middle template 4 is installed at the lower end part of the middle mold core 10, so that the clamp spring 20 and the limiting step 19 can be used for connecting the middle mold core 10 into the corresponding middle mold hole together. Specifically, a section of conical surface is arranged at the matching position of the lower die protrusion 14 and the middle die channel 11, and the middle die core 10 is in clearance fit in the corresponding middle die hole, so that the position of the middle die core 10 can be finely adjusted, and the middle die core 10 and the lower die core 12 are prevented from being mutually seized when the dies are closed. In this embodiment, the middle mold core 10 is provided with a clamp spring groove for assembling the clamp spring 20, and the specific structure of the clamp spring 20 is the prior art, which is not described in detail in this embodiment.
As shown in fig. 2 and 3, upper die holes corresponding to the upper die cores 7 one to one and communicated with the raw material cavity 6 are formed in the upper die plate 3, and the upper die cores 7 are tightly connected in the corresponding upper die holes so that the feeding channel 9 is communicated with the raw material cavity 6; in this embodiment, the interference between the upper mold core 7 and the upper mold hole is 0.01-0.02 mm on both sides.
As shown in fig. 2 and 4, the upper end of the lower die 13 is a spherical portion, and a feeding gap 21 for communicating the feeding channel 9 and the forming cavity is formed between the spherical portion and the upper die core 7.
As shown in fig. 1 and 2, the die pressing lip oil seal die further includes at least two first guide mechanisms 100 disposed between the top die plate 2 and the upper die plate 3, the first guide mechanisms 100 include first guide sleeves 22 and first guide columns 23, wherein,
the first guide sleeve 22 is installed on any one of the top die plate 2 and the upper die plate 3;
one end of the first guide post 23 is connected to the remaining one of the top platen 2 and the upper platen 3, and the other end of the first guide post 23 is used for extending into the first guide sleeve 22 to guide the top platen 2 and the upper platen 3 to be clamped when the top platen 2 and the upper platen 3 are clamped. In this embodiment, two first guide mechanisms 100 are provided, the first guide sleeve 22 is installed on the top die plate 2, and the first guide column 23 is connected to the upper die plate 3.
As shown in fig. 1 and 2, the die pressing lip oil seal mold further includes at least two second guide mechanisms 200 disposed between the upper die plate 3 and the middle die plate 4, where the second guide mechanisms 200 include second guide sleeves 24 and second guide posts 25, where,
the second guide sleeve 24 is mounted on any one of the upper template 3 and the middle template 4;
one end of the second guide post 25 is connected to the remaining one of the upper and middle mold plates 3 and 4, and the other end of the second guide post 25 is used to extend into the second guide sleeve 24 to guide the upper and middle mold plates 3 and 4 to be clamped when the upper and middle mold plates 3 and 4 are clamped. In this embodiment, two second guide mechanisms 200 are provided, the second guide sleeve 24 is mounted on the middle formwork 4, and the second guide column 25 is connected to the upper formwork 3.
As shown in fig. 1 and 2, the die pressing lip oil seal mold further includes at least two third guide mechanisms 300 disposed between the middle template 4 and the lower template 5, where the third guide mechanisms 300 include third guide sleeves 26 and third guide columns 27, where,
the third guide sleeve 26 is installed on any one of the middle template 4 and the lower template 5;
one end of the third guide column 27 is connected to the remaining one of the middle and lower mold plates 4 and 5, and the other end of the third guide column 27 is used for extending into the third guide sleeve 26 to guide the middle and lower mold plates 4 and 5 to be clamped when the middle and lower mold plates 4 and 5 are clamped. In this embodiment, two third guide mechanisms 300 are provided, the third guide sleeve 26 is installed on the middle template 4, and the third guide column 27 is connected to the lower template 5.
The working principle of the utility model is as follows:
firstly, the top template 2, the upper template 3, the middle template 4 and the lower template 5 are all in a mold splitting state, then the middle template 4 and the lower template 5 are assembled, the lower mold bulge 14 of the lower mold core 12 extends into the middle mold channel 11, and then the framework 1 is placed on the positioning part 15; then the upper template 3 and the middle template 4 are matched, and rubber raw materials are put into the raw material cavity 6; then the top template 2 and the upper template 3 are matched, the material pressing bulge 16 extends into the material cavity 6 to press the rubber raw material, the rubber raw material is melted under the action of an external heater and is pressed into the forming cavity from the feeding channel 9 to form a die pressing lip oil seal; and then the top template 2, the upper template 3, the middle template 4 and the lower template 5 are separated, and the mould pressing lip oil seal is left on the middle mould core 10. A lower lip cavity 17 for forming the lower sealing lip is formed between the lower die head 13 and the positioning part 15, so that the lower sealing lip can be directly formed, subsequent cutting operation is not needed, the size precision of the lower sealing lip is improved, the sealing performance is improved, the leakage of lubricating oil is avoided, and the die is simple in structure and low in manufacturing cost.
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 (9)
1. A die pressing lip oil seal die comprises a sealing body and a framework (1) wrapped in the sealing body, wherein a lower sealing lip is arranged on the sealing body, and the die pressing lip oil seal die is characterized by comprising a top template (2), an upper template (3), a middle template (4) and a lower template (5) which are sequentially arranged from top to bottom, wherein,
the upper die plate (3) is provided with a raw material cavity (6) and at least one upper die core (7), and the upper die core (7) is provided with an upper die cavity (8) and a feeding channel (9) for communicating the upper die cavity (8) with the raw material cavity (6);
the middle mold core (10) which corresponds to the upper mold core (7) one by one is arranged on the middle mold plate (4), and a middle mold channel (11) is arranged on the middle mold core (10);
the lower template (5) is provided with lower mold core (12) components which correspond to the middle mold cores (10) one by one, and the lower mold core (12) components comprise lower mold cores (12) and lower mold heads (13);
the lower mold core (12) is connected to the lower template (5) and is provided with a lower mold bulge (14) matched with the middle mold channel (11);
the lower die bulge (14) is provided with a positioning part (15) which is used for being matched with the framework (1) to position the framework (1);
the lower die head (13) is arranged on the lower die bulge (14);
a material pressing bulge (16) matched with the raw material cavity (6) is arranged on the top template (2);
when the top template (2), the upper template (3), the middle template (4) and the lower template (5) are matched, the material pressing bulge (16) extends into the raw material cavity (6), the lower die bulge (14) extends into the middle die channel (11), the upper end part of the middle die core (10) extends into the upper die cavity (8), the upper die core (7), the middle die core (10), the lower die bulge (14) and the lower die head (13) surround to form a forming cavity for forming the die pressing lip oil seal, wherein,
the forming cavity is communicated with the feeding channel (9);
the positioning part (15) is positioned in the molding cavity;
and a lower lip cavity (17) for forming the lower sealing lip is formed between the lower die head (13) and the positioning part (15).
2. The die lip oil seal die according to claim 1, further comprising connecting screws (18) in one-to-one correspondence with the lower die core (12), wherein,
the lower die plate (5) is provided with lower die holes which are in one-to-one correspondence with the lower die cores (12) and screw holes which are in one-to-one correspondence with the lower die holes and communicated with the corresponding lower die holes;
the lower end part of the lower mold core (12) is tightly matched and connected in the lower mold hole and is provided with a threaded hole;
the connecting screw (18) penetrates through the screw hole and is connected with the threaded hole so as to fixedly connect the lower mold core (12) to the lower template (5).
3. The die lip oil seal die as claimed in claim 1, wherein the upper end portion of the lower die bulge (14) is provided with a mounting hole for tight fitting connection with the lower die head (13).
4. The die lip oil seal die according to claim 1,
the middle die plate (4) is provided with middle die holes which are in one-to-one correspondence with the middle die cores (10);
the middle mold cores (10) are in clearance fit in the corresponding middle mold holes;
the upper end part of the middle mold core (10) is provided with a limiting step (19) which is used for abutting against the upper end surface of the middle mold plate (4);
and a clamp spring (20) which is used for abutting against the lower end face of the middle template (4) is installed at the lower end part of the middle mold core (10), so that the clamp spring (20) and the limiting step (19) jointly connect the middle mold core (10) in the corresponding middle mold hole.
5. The die lip oil seal die as claimed in claim 1, wherein the upper die plate (3) is provided with upper die holes which correspond to the upper die cores (7) one by one and are communicated with the raw material cavity (6), and the upper die cores (7) are connected in the corresponding upper die holes in a tight fit manner.
6. The die lip oil seal die according to claim 1, wherein the upper end portion of the lower die head (13) is a spherical portion, and a feed gap (21) for communicating the feed channel (9) and the forming cavity is formed between the spherical portion and the upper die core (7).
7. The die lip oil seal die according to claim 1, further comprising at least two first guide mechanisms (100) provided between the top die plate (2) and the upper die plate (3), the first guide mechanisms (100) including first guide sleeves (22) and first guide posts (23), wherein,
the first guide sleeve (22) is installed on any one of the top template (2) and the upper template (3);
one end part of the first guide column (23) is connected to the rest one of the top template (2) and the upper template (3), and the other end part of the first guide column (23) is used for extending into the first guide sleeve (22) to guide the top template (2) and the upper template (3) to be matched when the top template (2) and the upper template (3) are matched.
8. The die lip oil seal die according to claim 1, further comprising at least two second guide mechanisms (200) arranged between the upper die plate (3) and the middle die plate (4), wherein the second guide mechanisms (200) comprise second guide sleeves (24) and second guide columns (25), wherein,
the second guide sleeve (24) is arranged on any one of the upper template (3) and the middle template (4);
one end of the second guide column (25) is connected to the rest of the upper template (3) and the middle template (4), and the other end of the second guide column (25) is used for extending into the second guide sleeve (24) to guide the upper template (3) and the middle template (4) to be matched when the upper template (3) and the middle template (4) are matched.
9. The die lip oil seal die according to claim 1, further comprising at least two third guide mechanisms (300) arranged between the middle die plate (4) and the lower die plate (5), wherein the third guide mechanisms (300) comprise third guide sleeves (26) and third guide columns (27), wherein,
the third guide sleeve (26) is installed on any one of the middle template (4) and the lower template (5);
one end of the third guide column (27) is connected to the rest one of the middle template (4) and the lower template (5), and the other end of the third guide column (27) is used for extending into the third guide sleeve (26) to guide the middle template (4) and the lower template (5) to be matched when the middle template (4) and the lower template (5) are matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397161.3U CN210791778U (en) | 2019-08-26 | 2019-08-26 | Die pressing lip oil seal die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921397161.3U CN210791778U (en) | 2019-08-26 | 2019-08-26 | Die pressing lip oil seal die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210791778U true CN210791778U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921397161.3U Active CN210791778U (en) | 2019-08-26 | 2019-08-26 | Die pressing lip oil seal die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210791778U (en) |
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2019
- 2019-08-26 CN CN201921397161.3U patent/CN210791778U/en active Active
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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. |
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