CN217834360U - Leather cup tool improved structure - Google Patents
Leather cup tool improved structure Download PDFInfo
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- CN217834360U CN217834360U CN202122375572.6U CN202122375572U CN217834360U CN 217834360 U CN217834360 U CN 217834360U CN 202122375572 U CN202122375572 U CN 202122375572U CN 217834360 U CN217834360 U CN 217834360U
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Abstract
The utility model discloses a leather cup frock improves structure, include: the bottom surface of the upper mold core is provided with an annular bulge; the lower mold core, lower mold core top surface are equipped with annular recess, go up mold core bottom surface and lower mold core top surface contact installation, and the arch of going up mold core bottom surface corresponds and stretches into in the recess of lower mold core top surface, and arch and recess have the clearance to form the fashioned die cavity face of bowl. Because the cavity surface for forming the leather cup is only the upper core and the lower core, and the upper core and the lower core are both formed by machining through a numerical control machine, the use of a template in the process of forming by machining through a common lathe in the prior art is reduced, the accumulated error after assembly is reduced, and the problem of larger accumulated error after machining and assembly of different machining equipment is solved; because this application does not use the well template to construct the die cavity face, does not have the parting line, has solved the leather cup heat vulcanization shaping back bottom and can have unedged problem on the parting line, has improved the fashioned quality of leather cup product, has reduced the unedged working strength in bottom of getting rid of.
Description
Technical Field
The utility model relates to a leather cup frock improves structure, leather cup frock technical field.
Background
The V-shaped packing cup is used as a sealing element, and a mould tool for producing the V-shaped packing cup is required to be used for hot vulcanization molding during production. The structure of the conventional leather cup tool is shown in fig. 1-2, a cavity surface for forming a leather cup 6 with an annular V-shaped section is formed on an upper mold core 4, a lower mold core 5 and a middle mold plate 2, the upper mold plate 1, the middle mold plate 2 and the lower mold plate 3 are all formed by processing through a common lathe, the upper mold core 4 and the lower mold core 5 are formed by processing through a numerical control machine, and the accumulated error after assembly is large because the upper mold core 1, the middle mold plate 2 and the lower mold plate are respectively arranged on different processing equipment for processing, so that the appearance precision of a product formed by the leather cup 6 is influenced; and there is the parting line 61 at the interface of well template 2 of assembly back die cavity face lower part and lower die core 5, and there can be deckle edge bottom portion after 6 hot vulcanization shaping on parting line 61, influences the fashioned quality of 6 products of leather cup, has increased the working strength who gets rid of the deckle edge of bottom.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a leather cup tool improves structure.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of leather cup frock improves structure, include:
the bottom surface of the upper mold core is provided with an annular bulge;
the lower mold core, lower mold core top surface are equipped with annular recess, go up mold core bottom surface and lower mold core top surface contact installation, and the arch of going up mold core bottom surface corresponds and stretches into in the recess of lower mold core top surface, and arch and recess have the clearance to form the fashioned die cavity face of bowl.
And through holes are formed in the middle parts of the upper mold core and the lower mold core.
The upper mold core is in interference through fit with the through hole formed in the upper mold plate, and the lower mold core is in interference through fit with the through hole formed in the lower mold plate.
The matching tolerance of the upper core and the through hole of the upper template and the matching tolerance of the lower core and the through hole of the lower template are both H7/r6.
Two locating pins which are distributed in a staggered mode penetrate through the upper template and the lower template, and the upper template and the lower template are located through the locating pins.
The upper mold core and the lower mold core are two, one upper mold core and one lower mold core form a group, the two upper mold cores and the two lower mold cores form two groups which are assembled on the upper template and the lower template, and the two positioning pins which are distributed in a staggered mode are located in the middle positions of the two groups of upper mold cores and the two groups of lower mold cores.
The upper mold core, the lower mold core, the upper template and the lower template can be made of hot-work die steel.
The flash tank is characterized by further comprising flash tanks with arc-shaped sections and distributed annularly, and the distance between each flash tank and the edge cutting opening of the release cavity surface is 0.5mm.
The flash tanks are distributed on the upper mold core on the side edge of the cavity surface.
The flash tanks are distributed in two groups at two sides of the cavity surface.
The beneficial effects of the utility model reside in that: because the cavity surface for forming the leather cup is only the upper core and the lower core, and the upper core and the lower core are both formed by machining by using a numerical control machine, the use of a template in the process of forming by machining by using a common lathe in the prior art is reduced, the accumulated error after assembly is reduced, and the problem of larger accumulated error after machining and assembly by using different machining equipment is solved; because this application does not use the die plate to construct the die cavity face, does not have the parting line, has solved the bottom and can have unedged problem on the parting line after the packing cup hot vulcanization shaping, has improved the fashioned quality of packing cup product, has reduced the unedged working strength in the bottom of getting rid of.
Drawings
FIG. 1 is a sectional view of a conventional cup packing tool;
FIG. 2 is an enlarged schematic view of a portion of the cavity surface of FIG. 1;
FIG. 3 is a front sectional view of the present invention;
fig. 4 is a top view of the present invention;
FIG. 5 is an enlarged schematic view of a portion of the cavity surface of FIG. 3;
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 3 to 5.
The utility model discloses a leather cup frock improves structure, include:
the bottom surface of the upper mold core 4 is provided with an annular bulge;
the lower core 5, the 5 top surfaces of lower core are equipped with annular recess, and 4 bottom surfaces of upper core and 5 top surfaces of lower core contact the installation, and the arch of 4 bottom surfaces of upper core corresponds and stretches into in the recess of 5 top surfaces of lower core, and arch and recess have clearance shape molding cavity face, and leather cup 6 forms the product at the die cavity face through the hot vulcanization pressure forming.
Because the cavity surface for forming the leather cup 6 is only the upper core 4 and the lower core 5, and the upper core 4 and the lower core 5 are both formed by using a numerical control machine, the use of a template in the process of forming by using a common lathe in the prior art is reduced, the accumulated error after assembly is reduced, and the problem of larger accumulated error after processing and assembly of different processing equipment is solved; because this application does not use the die plate to construct the die cavity face, does not have the parting line, has solved the bottom and can have unedged problem on the parting line after 6 hot vulcanization shaping of leather cup, has improved the fashioned quality of 6 products of leather cup, has reduced the unedged working strength in bottom of getting rid of.
The through holes are formed in the middle of the upper mold core 4 and the lower mold core 5, heat dissipation and weight reduction can be improved through the through holes, and meanwhile the upper mold core 4 and the lower mold core 5 can be operated through the through holes.
The mold is characterized by further comprising an upper mold plate 1 and a lower mold plate 3, wherein the upper mold core 4 is in interference through fit with a through hole formed in the upper mold plate 1, and is in fit tolerance H7/r6, and the lower mold core 5 is in interference through fit with a through hole formed in the lower mold plate 3, and is in fit tolerance H7/r6.
Still run through two dislocation distribution's locating pin 8 on cope match-plate pattern 1 and the lower bolster 3, cope match-plate pattern 1 and lower bolster 3 fix a position through locating pin 8.
The upper mold core 4 and the lower mold core 5 are two, one upper mold core 4 and one lower mold core 5 form a group, the two upper mold cores 4 and the two lower mold cores 5 form two groups which are assembled on the upper template 1 and the lower template 3, and the two positioning pins 8 which are distributed in a staggered manner are positioned in the middle positions of the two groups of upper mold cores 4 and the lower mold cores 5.
Go up core 4, lower core 5, cope match-plate pattern 1, lower bolster 3 all can adopt hot die steel to make, hot die steel includes: h13 die steel, 8407 die steel, 8418 die steel, fdac die steel, 4cr5movsi die steel, 1.2343 die steel, 1.2344 die steel, m302 die steel.
The flash tank 7 is used for collecting flash generated when the leather cup 6 is subjected to hot vulcanization and pressure molding into the flash tank 7, so that the upper mold core 4 and the lower mold core 5 cannot be jacked open to increase the distance between the upper mold core 4 and the lower mold core 5; the distance between the flash tank 7 and the edge cutting opening of the release cavity surface is 0.5mm, so that the strength of the edge cutting opening of the die is ensured, the trimming workload is reduced, and the effect of improving the trimming qualification rate is achieved. An upper mold core 4 of the existing leather cup tool is provided with an annular flash tank 7, the distance between the flash tank 7 and a trimming port of a release cavity surface is 2mm, the flash tank 7 is difficult to tear edges after hot vulcanization pressing is completed, secondary trimming is needed, waste is easily repaired in the trimming process, and waste is large.
The flash tanks 7 are two groups distributed on the upper core 4 or the lower core 5 at two sides of the cavity surface, as shown in fig. 5, which is convenient for taking out the flash in the flash tanks 7 and improving the quality of the formed leather cup 6.
After the lower mold core 5 and the lower mold plate 3 are in interference through fit, wool is filled in a groove of the lower mold core 5, the upper mold core 4 is installed, the wool is pressed by a bulge of the upper mold core 4 in a cavity surface formed by a bottom surface bulge of the upper mold core 4 and a groove gap of a top surface of the lower mold core 5, the wool is filled in the upper mold plate 1 through a positioning pin 8, and then pressurization and hot vulcanization are carried out, so that a product is formed by the leather cup 6 in the cavity surface through molding. The excess wool overflows through a flash 7.
Claims (10)
1. The utility model provides a structure is improved to leather cup frock which characterized in that includes:
the bottom surface of the upper mold core (4) is provided with an annular bulge;
lower core (5), lower core (5) top surface is equipped with annular recess, goes up core (4) bottom surface and lower core (5) top surface contact installation, goes up in the recess of core (5) top surface is stretched into correspondingly to the arch of core (4) bottom surface down, and arch and recess exist the clearance and form the fashioned die cavity face of leather cup (6).
2. The improved structure of the packing cup tool set forth in claim 1, characterized in that: and through holes are formed in the middle parts of the upper mold core (4) and the lower mold core (5).
3. The improved structure of the packing cup tool set forth in claim 2, characterized in that: still include cope match-plate pattern (1) and lower bolster (3), on the through-hole that cope match-plate pattern (1) established is run through in the interference of cope match-plate pattern (4), on the through-hole that lower core (5) interference run through the cooperation was established in lower bolster (3).
4. The improved structure of the packing cup tool set forth in claim 3, characterized in that: the through hole fit tolerance of the upper mold core (4) and the upper mold plate (1) and the through hole fit tolerance of the lower mold core (5) and the lower mold plate (3) are both H7/r6.
5. The improved structure of the packing cup tool set forth in claim 3, characterized in that: two locating pins (8) which are distributed in a staggered mode penetrate through the upper die plate (1) and the lower die plate (3), and the upper die plate (1) and the lower die plate (3) are located through the locating pins (8).
6. The improved structure of the packing cup tool set forth in claim 5, characterized in that: the upper mold core (4) and the lower mold core (5) are two, one upper mold core (4) and one lower mold core (5) form a group, the two upper mold cores (4) and the two lower mold cores (5) form two groups which are assembled on the upper template (1) and the lower template (3), and the two positioning pins (8) which are distributed in a staggered mode are located in the middle positions of the two groups of upper mold cores (4) and the lower mold cores (5).
7. The improved structure of the packing cup tool set forth in claim 5, characterized in that: the upper mold core (4), the lower mold core (5), the upper template (1) and the lower template (3) can be made of hot-work die steel.
8. The improved structure of the packing cup tool set forth in claim 7, characterized in that: the flash tank is characterized by further comprising flash tanks (7) with arc-shaped sections and distributed annularly, and the distance between each flash tank (7) and the edge cutting opening of the release cavity surface is 0.5mm.
9. The improved structure of the packing cup tool set forth in claim 8, characterized in that: the flash tanks (7) are distributed on the upper mold core (4) on the side edge of the cavity surface.
10. The improved structure of the packing cup tool set forth in claim 9, characterized in that: the flash tanks (7) are distributed in two groups at two sides of the cavity surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375572.6U CN217834360U (en) | 2021-09-29 | 2021-09-29 | Leather cup tool improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122375572.6U CN217834360U (en) | 2021-09-29 | 2021-09-29 | Leather cup tool improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217834360U true CN217834360U (en) | 2022-11-18 |
Family
ID=84010316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122375572.6U Active CN217834360U (en) | 2021-09-29 | 2021-09-29 | Leather cup tool improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217834360U (en) |
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2021
- 2021-09-29 CN CN202122375572.6U patent/CN217834360U/en active Active
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