CN212329565U - Cross recess countersunk head screw hot-heading device - Google Patents
Cross recess countersunk head screw hot-heading device Download PDFInfo
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- CN212329565U CN212329565U CN201922111872.6U CN201922111872U CN212329565U CN 212329565 U CN212329565 U CN 212329565U CN 201922111872 U CN201922111872 U CN 201922111872U CN 212329565 U CN212329565 U CN 212329565U
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- head screw
- guide sleeve
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- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a cross recess countersunk head screw hot-heading device, including cross formpiston (1), fixed uide bushing (3), lower mould (6), its characterized in that: the cross male die (1) is arranged in a fixed hole (10) arranged at the upper part of the fixed guide sleeve (3), the fixed guide sleeve (3) is arranged in the upper die base (2), and the lower part of the upper die base (2) is connected with an upper thread back cap (4); the lower die (6) is fixed in the lower die seat (9) through a lower thread back cap (7), the cross male die (1) is arranged right above a mounting hole (12) formed in the lower die (6), the lower die (6) is arranged in a guide hole (11) formed in the lower portion of the fixed guide sleeve (3), the fixed guide sleeve (3) and the lower die (6) can move relatively, and the ejector rod (8) is movably arranged in the mounting hole (12). The utility model discloses simple structure, accurate high-quality, durable reliable, simple operation are fit for the using widely of cross recess countersunk head screw hot-heading processing.
Description
Technical Field
The utility model belongs to the technical field of processingequipment, relate to a cross recess countersunk head screw hot heading device particularly.
Background
At present, according to the standard of navigation (HB 5800), the concentricity tolerance of a cross-recessed countersunk head screw groove with the thread specification less than or equal to M6 and a rod part is required to be within phi 0.16 (the structure is shown in figure 5). In the prior art, a cross male die 1 is fastened in a fixing sleeve 16 by a fastening screw 15, then the cross male die is placed in a die holder of a hot upsetting press and is compressed by a guide sleeve 17 (see figure 6), the upsetting is conducted by the guide sleeve to guide an upper die holder and a lower die holder, the concentricity of the upper die holder and the lower die holder is ensured, and as the male die sleeve, the guide sleeve and a fixing seat have manufacturing errors and assembly gaps, and in addition, the gap and abrasion between the guide sleeve and the lower die, the concentricity of an upset product is always larger than phi 0.16, so that a plurality of cross-grooved parts are scrapped.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned shortcoming and the cross recess countersunk head screw hot heading device that a simple structure, accurate high-quality, durable reliable, simple operation that provide.
The utility model discloses the purpose and solve its main technical problem and adopt following technical scheme to realize:
the utility model discloses a cross recess countersunk head screw hot-heading device, including cross formpiston, fixed uide bushing, lower mould, wherein: the cross male die is arranged in a fixed hole arranged at the upper part of the fixed guide sleeve, the fixed guide sleeve is arranged in the upper die base, and the lower part of the upper die base is connected with an upper thread back cap; the lower die is fixed in the lower die base through a lower thread back cap, the cross male die is arranged right above a mounting hole formed in the lower die, the lower die is arranged in a guide hole formed in the lower portion of the fixed guide sleeve, the fixed guide sleeve and the lower die can move relatively, and the ejector rod is movably arranged in the mounting hole.
Above-mentioned cross recess countersunk screw hot heading device, wherein: the upper die holder is connected with the upper thread back cap through threads.
Above-mentioned cross recess countersunk screw hot heading device, wherein: the diameter of the guide hole is larger than that of the fixing hole.
Above-mentioned cross recess countersunk screw hot heading device, wherein: the lower die can penetrate through a through hole formed in the bottom of the upper thread back cap.
Above-mentioned cross recess countersunk screw hot heading device, wherein: the upper part of the lower die is provided with a lower die core, and the lower die core is arranged outside the mounting hole.
Compared with the prior art, the utility model obvious advantage and beneficial effect have. According to the technical scheme, in the cross-shaped groove countersunk head screw hot heading device, the cross male die is installed in the fixing hole formed in the upper part of the fixed guide sleeve, the fixed guide sleeve is sleeved in the upper die base, the lower part of the upper die base is connected with the upper thread back cap, the lower die is arranged in the guide hole formed in the lower part of the fixed guide sleeve, the fixed guide sleeve and the lower die can move relatively, the fixing and guide structures are integrated, the size error and the position error can be reduced, the dislocation of the male die fixing sleeve and the guide sleeve can be reduced, the concentricity of the cross groove and the hole can be better ensured, and the cross male die is convenient and rapid to assemble and disassemble; the material ejecting rod is movably arranged in the mounting hole, so that a product subjected to upsetting can be ejected conveniently and quickly; the lower die core made of hard material is arranged on the upper part of the lower die, and the lower die core is arranged outside the mounting hole, so that the abrasion is reduced, and the service life is prolonged. In a word, the utility model discloses simple structure, accurate high-quality, durable reliable, simple operation are fit for the use widely of cross recess countersunk head screw hot heading processing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a fixed guide sleeve;
FIG. 3 is a schematic structural view of a lower mold;
FIG. 4 is a schematic diagram of a cross male mold;
FIG. 5 is a schematic structural view of a cross recessed countersunk head screw;
FIG. 6 is a schematic structural diagram of an original cross recessed countersunk head screw hot heading device.
The labels in the figure are:
1. a cross male die; 2. an upper die holder; 3. fixing a guide sleeve; 4. screwing a back cap; 5. a lower mold core; 6. a lower die; 7. a lower threaded back cap; 8. a lifter bar; 9. a lower die holder; 10. a fixing hole; 11. a guide hole; 12. mounting holes; 13. a cross groove; 14. a cross recessed countersunk flat head screw; 15. fastening screws; 16. fixing a sleeve; 17. and a guide sleeve.
Detailed Description
The following detailed description of the embodiments, structures, features and effects of the cross recessed countersunk head screw hot heading device according to the present invention will be made with reference to the accompanying drawings and the preferred embodiments.
Referring to fig. 1 to 4, the cross recessed countersunk head screw hot heading device of the present invention includes a cross male die 1 installed in a fixing hole 10 formed in the upper portion of a fixed guide sleeve 3, the fixed guide sleeve 3 installed in an upper die base 2, and an upper threaded back cap 4 connected to the lower portion of the upper die base 2; the lower die 6 is fixed in the lower die base 9 through the lower thread back cap 7, the cross male die 1 is arranged right above a mounting hole 12 formed in the lower die 6, the lower die 6 is arranged in a guide hole 11 formed in the lower portion of the fixed guide sleeve 3, the fixed guide sleeve 3 and the lower die 6 can move relatively, and the ejector rod 8 is movably arranged in the mounting hole 12. The upper die holder 2 is connected with the upper thread back cap 4 through threads. The fixing hole 10 and the guide hole 11 form a stepped hole, and the diameter of the guide hole 11 is larger than that of the fixing hole 10. The lower die 6 can penetrate through a through hole arranged at the bottom of the upper thread back cap 4. The upper part of the lower die 6 is provided with a lower die core 5, and the lower die core 5 is arranged outside the mounting hole 12.
When the device is used, the upper die base 2 is moved upwards to separate the fixed guide sleeve 3 from the lower die 6, the countersunk head screw of the cross groove to be machined is placed into the mounting hole 12 formed in the lower die 6, the device is started, the upper die base 2 vertically moves downwards to enable the cross male die 1 to be abutted to the top of the countersunk head screw of the cross groove to be machined, and the lower die base continues to press downwards to enable the cross male die 1 and the mounting hole 12 in the lower die 6 to form a closed cavity, so that the countersunk head screw of the cross groove can be placed into the upsetting. And then ejecting the finished product by using the ejector rod 8. The fixing structure and the guide structure are integrated, so that the size error and the position error can be reduced, the dislocation of the male die fixing sleeve and the guide sleeve can be reduced, the concentricity of the cross groove and the hole can be better ensured, and the cross male die is convenient and quick to assemble and disassemble. The utility model discloses simple structure, accurate high-quality, durable reliable, simple operation are fit for the using widely of cross recess countersunk head screw hot-heading processing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention.
Claims (5)
1. The utility model provides a cross recess countersunk head screw hot heading device, includes cross formpiston (1), fixed uide bushing (3), lower mould (6), its characterized in that: the cross male die (1) is arranged in a fixed hole (10) arranged at the upper part of the fixed guide sleeve (3), the fixed guide sleeve (3) is arranged in the upper die base (2), and the lower part of the upper die base (2) is connected with an upper thread back cap (4); the lower die (6) is fixed in the lower die seat (9) through a lower thread back cap (7), the cross male die (1) is arranged right above a mounting hole (12) formed in the lower die (6), the lower die (6) is arranged in a guide hole (11) formed in the lower portion of the fixed guide sleeve (3), the fixed guide sleeve (3) and the lower die (6) can move relatively, and the ejector rod (8) is movably arranged in the mounting hole (12).
2. The cross recessed countersunk head screw hot heading device of claim 1, characterized in that: the upper die holder (2) is connected with the upper thread back cap (4) through threads.
3. The cross recessed countersunk head screw hot heading device of claim 1, characterized in that: the diameter of the guide hole (11) is larger than that of the fixing hole (10).
4. The cross recessed countersunk head screw hot heading device of claim 1, characterized in that: the lower die (6) can penetrate through a through hole arranged at the bottom of the upper thread back cap (4).
5. The cross recessed countersunk head screw hot heading device of claim 1, characterized in that: the lower die core (5) is arranged at the upper part of the lower die (6), and the lower die core (5) is arranged outside the mounting hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111872.6U CN212329565U (en) | 2019-11-30 | 2019-11-30 | Cross recess countersunk head screw hot-heading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922111872.6U CN212329565U (en) | 2019-11-30 | 2019-11-30 | Cross recess countersunk head screw hot-heading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212329565U true CN212329565U (en) | 2021-01-12 |
Family
ID=74063610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922111872.6U Active CN212329565U (en) | 2019-11-30 | 2019-11-30 | Cross recess countersunk head screw hot-heading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212329565U (en) |
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2019
- 2019-11-30 CN CN201922111872.6U patent/CN212329565U/en active Active
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