CN214920165U - Cold heading forming screw die - Google Patents
Cold heading forming screw die Download PDFInfo
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- CN214920165U CN214920165U CN202120767510.7U CN202120767510U CN214920165U CN 214920165 U CN214920165 U CN 214920165U CN 202120767510 U CN202120767510 U CN 202120767510U CN 214920165 U CN214920165 U CN 214920165U
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- cold heading
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Abstract
The utility model discloses a cold-heading forming screw mould in screw production facility field, including lower mould and last mould, be provided with the mould on the lower mould, be provided with the screw hole on the lower mould, screw hole female connection has the screw thread head, screw thread head top fixed mounting has the fore-set, the equal fixed mounting in both sides that lies in the screw hole on the lower mould has the fixture block, it all is provided with the draw-in groove to go up two fixture block departments of mould bottom correspondence, the fixture block joint is in the draw-in groove, all is provided with the mounting groove in two fixture blocks, equal sliding connection has the limiting plate in two mounting grooves, two limiting plates are close to the equal fixed mounting in one side each other and have the spring, the beneficial effects of the utility model are that: this kind of screw mould convenient to use can produce the different fore-set of length change of screw as required to adjust the length in the thread groove, produce the screw of different length, increased the type of this kind of screw mould production screw, further improved screw mould's practicality.
Description
Technical Field
The utility model relates to a screw production facility field specifically is a cold-heading forming screw mould.
Background
The screw is a commonly used fastener, mainly plays the relative position between two parts and connects fixed effect, adopts cold-heading shaping mostly in the production process of screw, and needs to use corresponding screw mould.
Most formula of current screw mould leads to the inside of mould to be unable to adjust at present, can only produce the screw of single type, and the practicality is lower, consequently the utility model provides a cold-heading forming screw mould.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cold-heading forming screw mould for solve the most integral type of above-mentioned screw mould, lead to the inside of mould can't adjust, can only produce the screw of single type, the lower problem of practicality.
In order to solve the technical problem, the utility model provides a following technical scheme:
a cold heading forming screw die comprises a lower die and an upper die, wherein the lower die is provided with the upper die, the lower die is provided with a threaded hole, the threaded hole is internally connected with a threaded head, the top of the threaded head is fixedly provided with an ejection column, two sides of the threaded hole on the lower die are both fixedly provided with clamping blocks, the bottom of the upper die is provided with clamping grooves corresponding to the two clamping blocks, the clamping blocks are clamped in the clamping grooves, two clamping blocks are internally provided with mounting grooves, two mounting grooves are respectively and slidably connected with limiting plates, one side, close to each other, of each limiting plate is fixedly provided with a spring, one side, close to each other, of each spring is fixedly arranged on the inner wall of each mounting groove, one side, far away from each other, of each limiting plate is fixedly provided with a pin rod, the positions, corresponding to the two pin rods, on the upper die, one side, far away from each pin rod, of each pin rod extends out of the pin hole, the upper die is internally provided with a thread groove, the top of the thread groove is provided with a connecting groove, and the top of the connecting groove is provided with a nut groove.
As a further aspect of the present invention: all communicate in proper order between nut groove, spread groove and thread groove, the screw shaping operation of this kind of screw mould of being convenient for through this design.
As a further aspect of the present invention: the outside that the top of going up the mould is located the nut groove is provided with the arc limit, fish tail staff when avoiding this kind of screw mould to use through the design on arc limit, further improves this kind of screw mould's safety in utilization.
As a further aspect of the present invention: the fore-set is provided with a plurality ofly, and is a plurality of the fore-set is different length settings, is convenient for follow according to the screw of producing different length screw through the fore-set that is provided with a plurality of different length and trades, is favorable to this kind of screw mould's use.
As a further aspect of the present invention: the outside cover of lower mould is equipped with the fixing base, just threaded connection has fixing bolt on the fixing base, fixing bolt is provided with a plurality ofly, is convenient for fix the lower mould through a plurality of fixing bolt cooperation fixing bases, is favorable to screw shaping operation.
As a further aspect of the present invention: the lower die, the upper die, the pin rod, the limiting plate, the ejection column, the thread head and the fixing seat are all made of titanium alloy materials, and the titanium alloy materials have excellent performances such as corrosion resistance, heat resistance, low temperature resistance and resistance, so that the cold heading forming operation of the screw die is facilitated.
Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
in the utility model, the lower die is fixedly arranged on the working table surface of cold heading forming processing through the fixing bolt and the fixing seat, then the top post with proper length is selected according to the length requirement of the screw to be produced, then the screw thread head on the top post is connected in the screw hole in a threaded manner, then the two pin rods are pressed into the mounting groove, the clamping block is clamped into the clamping groove of the upper die, when the pin rods are aligned with the pin hole, the two springs return to drive the two limiting plates to slide towards the side away from each other, the two limiting plates drive the two pin rods to extend out of the pin hole for limiting and fixing, thereby the upper die is fixed on the lower die, finally the raw material is pressed into the screw die from the screw cap groove by using the forming equipment, the material is finally formed through the screw cap groove, the connecting groove and the screw thread groove, the screw die is convenient to use, different top posts can be changed according to the length of the screw to be produced, thereby adjust the length in the thread groove, produce the screw of different length, increased the type of this kind of screw mould production screw, further improved screw mould's practicality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is an enlarged view of a in fig. 1 according to the present invention.
In the figure: 1. a lower die; 2. an upper die; 3. a fixed seat; 4. a clamping block; 5. a card slot; 6. connecting grooves; 7. a nut groove; 8. an arc-shaped edge; 9. a thread groove; 10. a top pillar; 11. a threaded hole; 12. a screw head; 13. fixing the bolt; 14. a pin rod; 15. a limiting plate; 16. a pin hole; 17. mounting grooves; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): as shown in FIGS. 1-3, a cold heading forming screw mold comprises a lower mold 1 and an upper mold 2, wherein the lower mold 1 is provided with the upper mold 2, the lower mold 1 is provided with a threaded hole 11, a threaded head 12 is connected with the threaded hole 11 in an internal thread manner, an ejection column 10 is fixedly arranged at the top of the threaded head 12, two sides of the lower mold 1, which are positioned in the threaded hole 11, are fixedly provided with fixture blocks 4, the bottom of the upper mold 2 is provided with clamp grooves 5 corresponding to the two fixture blocks 4, the fixture blocks 4 are clamped in the clamp grooves 5, two fixture blocks 4 are respectively provided with a mounting groove 17, two mounting plates 15 are respectively connected in the two mounting grooves 17 in a sliding manner, springs 18 are respectively fixedly arranged at the sides of the two limiting plates 15, which are close to each other, are respectively fixedly arranged on the inner walls of the mounting grooves 17, pin rods 14 are respectively fixedly arranged at the sides of the two limiting plates 15, which are far away from each other, pin holes 16 are respectively arranged at the positions of the two pin rods 14 on the upper mold 2, one side, away from each other, of each of the two pin rods 14 extends out of the pin hole 16, a threaded groove 9 is formed in the upper die 2, a connecting groove 6 is formed in the top of the threaded groove 9, and a nut groove 7 is formed in the top of the connecting groove 6.
All communicate in proper order between nut groove 7, spread groove 6 and thread groove 9, the screw shaping operation of this kind of screw mould of being convenient for through this design.
The top of going up mould 2 is located the outside of nut groove 7 and is provided with arc limit 8, fish tail staff when avoiding this kind of screw die to use through the design on arc limit 8, further improves this kind of screw die's safety in utilization.
The fore-set 10 is provided with a plurality ofly, and a plurality of fore-sets 10 are different length settings, and the fore-set 10 through being provided with a plurality of different length is convenient for follow the screw of producing different length screw and is traded, is favorable to the use of this kind of screw mould.
The outside cover of lower mould 1 is equipped with fixing base 3, and threaded connection has fixing bolt 13 on the fixing base 3, and fixing bolt 13 is provided with a plurality ofly, is convenient for fix lower mould 1 through 13 cooperation fixing bases of a plurality of fixing bolt, is favorable to the screw shaping operation.
The lower die 1, the upper die 2, the pin rod 14, the limiting plate 15, the support pillar 10, the thread head 12 and the fixing seat 3 are all made of titanium alloy materials, and the titanium alloy materials have excellent performances such as corrosion resistance, heat resistance, low temperature resistance and resistance, so that the screw die is favorable for cold heading forming operation.
Specifically, when the utility model is used, the lower die 1 is fixedly arranged on the working table surface of cold heading forming processing through the fixing bolt 13 and the fixing seat 3, then the support pillar 10 with proper length is selected according to the length requirement of the screw to be produced, the screw head 12 on the support pillar 10 is connected in the screw hole 11 in a threaded manner, then the two pin rods 14 are pressed into the mounting groove 17, the fixture block 4 is clamped into the clamping groove 5 of the upper die 2, when the pin rods 14 are aligned with the pin holes 16, the two springs 18 return to drive the two limiting plates 15 to slide towards the sides away from each other, the two limiting plates 15 drive the two pin rods 14 to extend out of the pin holes 16 for limiting and fixing, so that the upper die 2 is fixed on the lower die 1, finally, when the forming equipment is used for pressing the raw material into the screw die from the nut groove 7, the material is finally formed through the nut groove 7, the connecting groove 6 and the thread groove 9, this kind of screw mould convenient to use can produce the length of screw as required and change different fore-set 10 to adjust the length in thread groove 9, produce the screw of different length, increased the type of this kind of screw mould production screw, further improved screw mould's practicality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The cold heading forming screw die is characterized by comprising a lower die (1) and an upper die (2), wherein the upper die (2) is arranged on the lower die (1), a threaded hole (11) is formed in the lower die (1), a threaded head (12) is connected with the threaded hole (11) in an internal thread manner, a top post (10) is fixedly arranged at the top of the threaded head (12), fixture blocks (4) are fixedly arranged on two sides of the threaded hole (11) on the lower die (1), clamping grooves (5) are formed in positions, corresponding to the two fixture blocks (4), at the bottom of the upper die (2), the fixture blocks (4) are clamped in the clamping grooves (5), two mounting grooves (17) are formed in the fixture blocks (4), two limiting plates (15) are slidably connected in the mounting grooves (17), and springs (18) are fixedly arranged on one side of the two limiting plates (15) close to each other, two spring (18) are close to the equal fixed mounting in one side each other on the inner wall of mounting groove (17), two the equal fixed mounting in one side has pin rod (14) is kept away from each other in limiting plate (15), it all is provided with pinhole (16) to go up corresponding two pin rod (14) departments on mould (2), two pin rod (14) keep away from each other one side all extend outside pinhole (16), be provided with thread groove (9) in last mould (2), the top of thread groove (9) is provided with spread groove (6), the top of spread groove (6) is provided with nut groove (7).
2. The cold heading forming screw die according to claim 1, wherein the nut groove (7), the connecting groove (6) and the thread groove (9) are communicated in sequence.
3. A cold heading forming screw die according to claim 1, wherein the top of the upper die (2) is provided with an arc-shaped edge (8) at the outer side of the nut groove (7).
4. A cold heading forming screw die according to claim 1, wherein said top pillar (10) is provided in plurality, and said plurality of top pillars (10) are all provided in different lengths.
5. The cold heading forming screw die according to claim 1, wherein a fixed seat (3) is sleeved on the outer side of the lower die (1), a fixed bolt (13) is connected to the fixed seat (3) in a threaded manner, and the fixed bolt (13) is provided in plurality.
6. The cold heading forming screw die according to claim 1, wherein the lower die (1), the upper die (2), the pin rod (14), the limiting plate (15), the ejection column (10), the threaded head (12) and the fixing seat (3) are made of titanium alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767510.7U CN214920165U (en) | 2021-04-15 | 2021-04-15 | Cold heading forming screw die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120767510.7U CN214920165U (en) | 2021-04-15 | 2021-04-15 | Cold heading forming screw die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214920165U true CN214920165U (en) | 2021-11-30 |
Family
ID=79045791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120767510.7U Active CN214920165U (en) | 2021-04-15 | 2021-04-15 | Cold heading forming screw die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214920165U (en) |
-
2021
- 2021-04-15 CN CN202120767510.7U patent/CN214920165U/en active Active
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