CN218857447U - PE butt joint mould for sealing strip - Google Patents
PE butt joint mould for sealing strip Download PDFInfo
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- CN218857447U CN218857447U CN202223201518.0U CN202223201518U CN218857447U CN 218857447 U CN218857447 U CN 218857447U CN 202223201518 U CN202223201518 U CN 202223201518U CN 218857447 U CN218857447 U CN 218857447U
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- butt joint
- lower die
- die
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Abstract
The utility model relates to a PE butt joint mould for sealing strip, including left butt joint unit and with the right butt joint unit that left butt joint unit corresponds, this left butt joint unit and right butt joint unit's structure is the same, all include the upper die and with the lower mould that the upper die butt joint, form at least one product shaping chamber between upper die and lower mould, shaping chamber through set up upper die recess on the upper die and set up the butt joint of lower mould recess on the lower mould and form; and an insert is embedded in the groove of the lower die and is arranged on the lower die through a fastening bolt. The utility model has the advantages that: through the improvement of the cavity structure, the processing precision of the sealing strip is further improved, and the insert is added for adjusting the shape of the lip edge in the mold; the position where the lip edge is connected with the rubber strip main body is not provided with shrinkage, and the joint of the insert and the lower die is in chamfer transition, so that smoothness in mounting of the sealing strip is ensured, and the product performance and the production efficiency are improved.
Description
Technical Field
The utility model relates to a PE butt joint mould for sealing strip belongs to automobile parts and makes the field.
Background
The sealing strip product is made of EPDM (ethylene propylene diene monomer) EPDM rubber, the compression deformation of the sealing strip is large, particularly the deformation of a bubble-shaped lip edge at the lower end of the sealing strip is large, and the quality problems of joint steps, dislocation and tearing occur after butt joint.
The invention discloses an automobile sealing element forming die device with a notice number of CN208745290U, and the name of the invention is that the automobile sealing element forming die device can firmly attach a PE strip at the same time, and the automobile sealing element forming die device comprises a forming die and a PE strip attaching assembly which penetrates through the inside of the forming die and is provided with a PE strip transmission flow channel in a penetrating manner.
The forming die comprises a tongue core positioned at the head end and an extrusion port template positioned at the tail end; the PE strip attaching assembly comprises a PE guide block fixed on the outer end face of the tongue core, a PE guide strip which is butted with the PE guide block and penetrates through the outer end face of the extrusion port template, a positioning guide block fixed on the outer end face of the extrusion port template, a PE transition positioning strip which penetrates through the positioning guide block and is butted with the PE guide strip, and a PE attaching block butted with the PE transition positioning strip.
It leads into piece, PE gib block, location gib block, PE transition location strip and PE laminating piece through setting up PE, and it has improved the position precision and the laminating firmness of PE strip laminating through a brand-new PE strip laminating mode. The disadvantages are as follows: the structure is complicated, and the dislocation is easy to occur after the butt joint.
SUMMERY OF THE UTILITY MODEL
For overcoming prior art's defect, the utility model provides a PE butt joint mould for sealing strip, the technical scheme of the utility model is:
a PE butt joint die for sealing strips comprises a left butt joint unit and a right butt joint unit corresponding to the left butt joint unit, wherein the left butt joint unit and the right butt joint unit have the same structure and respectively comprise an upper die and a lower die butted with the upper die, at least one product forming cavity is formed between the upper die and the lower die, and the forming cavity is formed by butting an upper die groove arranged on the upper die and a lower die groove arranged on the lower die; an insert is embedded in the lower die groove and is installed on the lower die through a fastening bolt, and a U-shaped groove is formed in the insert, faces the lower die groove and is communicated with the lower die groove; the lower die groove comprises a first arc-shaped part and a lower inclined surface part which are arranged on one side of the lower die in sequence; a second arc-shaped part, an L-shaped part and a convex part are sequentially arranged on the other side of the lower die, and the height of the second arc-shaped part is lower than that of the first arc-shaped part; and a channel communicated with the U-shaped groove is formed between the convex part and the lower inclined surface part.
The upper die groove comprises a plane part, an upper inclined plane part and a third arc-shaped part which are sequentially arranged on one side of the upper die, and the third arc-shaped part is butted with the second arc-shaped part; the plane part is butted with the first arc part.
The number of the forming cavities is two.
The thickness of the insert is less than or equal to 10mm.
The utility model has the advantages that: through the improvement of the cavity structure, the processing precision of the sealing strip is further improved, and the insert is added for adjusting the shape of the lip edge in the mold; the position where the lip edge is connected with the sealing strip is not provided with shrinkage, the thickness of the insert is not more than 10mm, the insert is connected with the lower die through a fastening bolt, and the joint of the insert and the lower die is in chamfer transition, so that the smoothness of the sealing strip installation is ensured, and the product performance and the production efficiency are improved.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Fig. 2 is a schematic view of the internal structure of fig. 1.
Fig. 3 is a schematic view showing the connection relationship between the lower mold and the insert in fig. 1.
Detailed Description
The present invention will be further described with reference to specific embodiments, and advantages and features of the present invention will become more apparent as the description proceeds. These examples are merely illustrative and do not limit the scope of the invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Referring to fig. 1 to 3, the present invention relates to a PE butt joint mold for sealing strips, including a left butt joint unit and a right butt joint unit corresponding to the left butt joint unit, the left butt joint unit and the right butt joint unit have the same structure, and each of the left butt joint unit and the right butt joint unit includes an upper mold 1 and a lower mold 2 butt-jointed to the upper mold 1, at least one product forming cavity (in this embodiment, two are taken as an example) is formed between the upper mold 1 and the lower mold 2, and the forming cavity is formed by butt-jointing an upper mold groove provided on the upper mold 1 and a lower mold groove provided on the lower mold 2; an insert 5 is embedded into the lower die groove (the thickness of the insert is less than or equal to 10 mm), the insert 5 is installed on the lower die through a fastening bolt 3, a U-shaped groove 7 is formed in the insert 5, and the U-shaped groove 7 faces the lower die groove and is communicated with the lower die groove; the lower die groove comprises a first arc-shaped part 9 and a lower inclined surface part 10 which are arranged on one side of the lower die 2 in sequence; a second arc-shaped part 12, an L-shaped part 11 and a convex part 13 are sequentially arranged on the other side of the lower die 2, and the height of the second arc-shaped part 12 is lower than that of the first arc-shaped part 9; and a channel communicated with the U-shaped groove 7 is formed between the convex part 13 and the lower inclined surface part 10.
The upper die groove comprises a plane part 13, an upper inclined surface part 14 and a third arc-shaped part 15 which are sequentially arranged on one side of the upper die, and the third arc-shaped part 15 is butted with the second arc-shaped part 12; the plane part 13 is butted with the first arc part 9.
The utility model discloses a theory of operation is: connecting an upper die 1 and a lower die 2 of a left butt joint unit to butt joint equipment, connecting the upper die 1 and the lower die 2 of a right butt joint unit to the butt joint equipment, after the upper die 1 and the lower die 2 are fixed, respectively inserting a sealing strip into lower die grooves of the left butt joint unit and the right butt joint unit, completely exposing the sealing strip at a mold insert to the upper die and the lower die, wherein the mold insert is used for adjusting the shape of a lip edge in a cavity, the contraction quantity is not set at the position where the lip edge is connected with the sealing strip, closing the upper die 1 and the lower die 2 of the left butt joint unit to fasten the sealing strip, closing the upper die 1 and the lower die 2 of the right butt joint unit to fasten the sealing strip, completing the fixed butt joint of the sealing strip, and then carrying out the next step.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (4)
1. A PE butt joint die for sealing strips is characterized by comprising a left butt joint unit and a right butt joint unit corresponding to the left butt joint unit, wherein the left butt joint unit and the right butt joint unit have the same structure and respectively comprise an upper die and a lower die butted with the upper die, at least one product forming cavity is formed between the upper die and the lower die, and the forming cavity is formed by butting an upper die groove arranged on the upper die and a lower die groove arranged on the lower die; an insert is embedded in the lower die groove and is installed on the lower die through a fastening bolt, and a U-shaped groove is formed in the insert, faces the lower die groove and is communicated with the lower die groove; the lower die groove comprises a first arc-shaped part and a lower inclined surface part which are arranged on one side of the lower die in sequence; a second arc-shaped part, an L-shaped part and a convex part are sequentially arranged on the other side of the lower die, and the height of the second arc-shaped part is lower than that of the first arc-shaped part; and a channel communicated with the U-shaped groove is formed between the convex part and the lower inclined surface part.
2. The PE butting mould for the sealing strips as claimed in claim 1, wherein the upper mould groove comprises a plane part, an upper inclined surface part and a third arc-shaped part which are sequentially arranged on one side of the upper mould, and the third arc-shaped part is butted with the second arc-shaped part; the plane part is butted with the first arc part.
3. A PE butt joint mold for a weather strip according to claim 1 or 2, wherein the number of the molding cavities is two.
4. The PE butt mold for the weather strip according to claim 3, wherein the insert has a thickness of 10mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223201518.0U CN218857447U (en) | 2022-11-30 | 2022-11-30 | PE butt joint mould for sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223201518.0U CN218857447U (en) | 2022-11-30 | 2022-11-30 | PE butt joint mould for sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218857447U true CN218857447U (en) | 2023-04-14 |
Family
ID=87376793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223201518.0U Active CN218857447U (en) | 2022-11-30 | 2022-11-30 | PE butt joint mould for sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218857447U (en) |
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2022
- 2022-11-30 CN CN202223201518.0U patent/CN218857447U/en active Active
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