CN213288531U - Forging die with central positioning ejector rod - Google Patents
Forging die with central positioning ejector rod Download PDFInfo
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- CN213288531U CN213288531U CN202021926690.0U CN202021926690U CN213288531U CN 213288531 U CN213288531 U CN 213288531U CN 202021926690 U CN202021926690 U CN 202021926690U CN 213288531 U CN213288531 U CN 213288531U
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Abstract
The forging die with the central positioning ejector rod comprises a lower die of the forging die, wherein the lower die comprises an upper positioning module, a middle positioning module and a lower positioning module, central holes are formed in the upper positioning module, the middle positioning module and the lower positioning module, a connecting block is arranged between the middle positioning module and the lower positioning module, a female die is inserted into a die hole of the upper positioning module, the lower end surface of the female die abuts against a cushion block, and the lower end surface of the cushion block abuts against the upper end surface of the middle positioning module; a material ejection column is inserted in a female die, a check ring is formed on the outer wall of the lower end of the material ejection column, and the check ring is inserted in a middle positioning module and abuts against a cushion block; the lower end face of the material ejection column is provided with a vertical guide hole, the outer wall of the upper end of the material ejection column is provided with an exhaust hole communicated with the guide hole, and the upper end of the material ejection column is exposed out of the upper end face of the female die. The center positioning structure is designed for the reduced round cake, and the problem of eccentricity of the round cake during forging is solved.
Description
The technical field is as follows:
the utility model relates to a bearing forges technical field of mould, more specifically says and relates to take forging mould of central location ejector pin.
Background art:
the present bearing ring is forged and rolled by bearing bar, the forging is the main processing mode of bearing ring, it mainly utilizes forging die to process the contour of bearing ring, for example, in the hot forging process of bearing, it can press round cake into ring-shaped ring, in the current hot forging process, it is convenient for positioning the centre of round cake, the diameter of round cake is matched with female die in the lower die, but the external R angle of the ring after its forging forming is too large, in order to solve the problem of too large external R angle of ring, by modifying the cake-upsetting process, the thickness of round cake is modified to reduce the diameter of round cake, the round cake is reduced by 2-3mm, then the round cake is held in the female die groove of female die by mechanical hand, the problem of too large R angle can be effectively improved, the modified process has new problem, because the diameter of round cake is reduced, and is not matched with the female die groove in the female die, when placing round cake, there is a problem of eccentricity of the disk, which seriously affects the forging quality of the product, as shown in fig. 1.
The utility model has the following contents:
the utility model aims at providing a not enough to prior art, and provide the forging mould of taking central location ejector pin, its cake after for reducing has designed central location structure, has solved the eccentric problem of cake when forging.
The forging die with the central positioning ejector rod comprises a lower die of the forging die, wherein the lower die comprises an upper positioning module, a middle positioning module and a lower positioning module, central holes are formed in the upper positioning module, the middle positioning module and the lower positioning module, a connecting block is arranged between the middle positioning module and the lower positioning module, a female die is inserted into a die hole of the upper positioning module, the lower end surface of the female die abuts against a cushion block, and the lower end surface of the cushion block abuts against the upper end surface of the middle positioning module; a material ejection column is inserted in a female die, a check ring is formed on the outer wall of the lower end of the material ejection column, and the check ring is inserted in a middle positioning module and abuts against a cushion block; a vertical guide hole is formed in the lower end face of the material ejection column, an exhaust hole communicated with the guide hole is formed in the outer wall of the upper end of the material ejection column, and the upper end of the material ejection column is exposed out of the upper end face of the female die;
the lower end face of the ejection column is fixedly provided with a positioning sleeve, the positioning sleeve is inserted in the middle positioning module, the lower end face of the positioning sleeve is screwed with an external thread sleeve, the lower end of the external thread sleeve is screwed with the guide column sleeve, a positioning column is arranged in the lower positioning module at the lower side of the guide column sleeve, the positioning column comprises a fixed block inserted and fixed in the lower positioning module, the upper end face of the fixed block is formed with a lower guide column, the upper end of the lower guide column is inserted in the guide column sleeve and is formed with an upper guide column, and the upper end of the upper guide column penetrates through the positioning sleeve and is inserted in a guide hole of; a sealing groove is formed in the outer wall of the upper end of the guide post sleeve, a lower sealing ring is fixedly inserted in the sealing groove, and the lower sealing ring is pressed against the inner wall of the guide post sleeve; and an upper sealing ring is fixedly inserted on the inner wall of the external thread sleeve and is pressed against the outer wall of the upper guide pillar.
Preferably, the hole diameter of the central hole on the middle positioning module is equal to the diameter of the outer wall of the positioning sleeve.
Preferably, the central axis of the upper guide pillar coincides with the central axis of the lower guide pillar, the diameter of the lower guide pillar is larger than that of the upper guide pillar, and the diameter of the lower guide pillar is equal to that of the inner wall of the guide pillar sleeve; the diameter of the upper guide pillar is equal to the aperture of the guide hole in the material ejection pillar.
Preferably, an annular positioning boss is formed on the upper end face of the middle positioning module, and the positioning boss is inserted into the central hole of the upper positioning module.
Preferably, the female die comprises an annular upper die sleeve and a lower die sleeve, the aperture of an inner hole of the upper die sleeve is larger than that of an inner hole of the lower die sleeve, an annular cutting groove is formed in the outer ring of the upper end face of the upper die sleeve, an annular retaining ring is formed on the inner wall of the upper end of the upper positioning module, and the retaining ring is pressed against the bottom face of the cutting groove of the upper die sleeve.
Preferably, an exhaust groove communicated with a central hole of the middle positioning module is formed in the connecting block.
Preferably, the vent holes on the ejection column are distributed in the female die.
The beneficial effects of the utility model reside in that:
1. the center positioning structure is designed for the reduced round cake, and the problem of eccentricity of the round cake during forging is solved.
2. The center positioning structure is composed of a material ejection column, a guide column and the like, the material ejection column is reset between the guide column and the material ejection column through the change of gas pressure, and a forged product can be ejected out of the mold through the center positioning structure.
3. The designed material ejection column is provided with an exhaust structure, and dust blowing to the female die is realized by the exhaust structure.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an eccentric state of an inner circular cake of a female die;
FIG. 2 is a schematic structural view before mold assembly of the present invention;
fig. 3 is a schematic structural diagram after the die assembly of the present invention.
In the figure: 1. an upper positioning module; 2. a middle positioning module; 3. connecting blocks; 31. an exhaust groove; 4. a female die; 41. putting a die sleeve; 42. a lower die sleeve; 5. a material ejection column; 51. a retainer ring; 52. a guide hole; 53. an exhaust hole; 6. a positioning sleeve; 7. a guide post sleeve; 8. a positioning column; 81. a fixed block; 82. a lower guide post; 83. an upper guide post; 9. an external thread sleeve; 10. an upper seal ring; 11. a lower seal ring; 12. a punch; 13. a cake; 14. a manipulator; 15. cushion blocks; 16. and a lower positioning module.
The specific implementation mode is as follows:
example (b): as shown in fig. 2 to 3, the forging die with the central positioning ejector rod comprises a lower die of the forging die, wherein the lower die comprises an upper positioning module 1, a middle positioning module 2 and a lower positioning module 16, central holes are formed in the upper positioning module 1, the middle positioning module 2 and the lower positioning module 16, a connecting block 3 is arranged between the middle positioning module 2 and the lower positioning module 16, a female die 4 is inserted into a die hole of the upper positioning module 1, the lower end surface of the female die 4 abuts against a cushion block 15, and the lower end surface of the cushion block 15 abuts against the upper end surface of the middle positioning module 2; a material ejection column 5 is inserted in the female die 4, a check ring 51 is formed on the outer wall of the lower end of the material ejection column 5, and the check ring 51 is inserted in the middle positioning module 2 and abuts against the cushion block 15; a vertical guide hole 52 is formed on the lower end face of the ejection column 5, an exhaust hole 53 communicated with the guide hole 52 is formed on the outer wall of the upper end of the ejection column 5, and the upper end of the ejection column 5 is exposed out of the upper end face of the female die 4;
a positioning sleeve 6 is fixed on the lower end face of the ejection column 5, the positioning sleeve 6 is inserted in the middle positioning module 2, an external thread sleeve 9 is screwed on the lower end face of the positioning sleeve 6, the lower end of the external thread sleeve 9 is screwed on the guide column sleeve 7, a positioning column 8 is arranged in the lower positioning module 16 on the lower side of the guide column sleeve 7, the positioning column 8 comprises a fixed block 81 inserted and fixed in the lower positioning module 16, a lower guide column 82 is formed on the upper end face of the fixed block 81, the upper end of the lower guide column 82 is inserted in the guide column sleeve 7 and is formed with an upper guide column 83, and the upper end of the upper guide column 83 penetrates through the positioning sleeve 6 and is inserted in a guide hole 52 of the ejection column 5; a sealing groove is formed in the outer wall of the upper end of the guide column sleeve 7, a lower sealing ring 11 is fixedly inserted in the sealing groove, and the lower sealing ring 11 is pressed against the inner wall of the guide column sleeve 7; an upper sealing ring 10 is fixedly inserted on the inner wall of the external thread sleeve 9, and the upper sealing ring 10 is pressed against the outer wall of the upper guide pillar 83.
Preferably, the hole diameter of the central hole on the middle positioning module 2 is equal to the diameter of the outer wall of the positioning sleeve 6.
Preferably, the central axis of the upper guide post 83 coincides with the central axis of the lower guide post 82, the diameter of the lower guide post 82 is larger than that of the upper guide post 83, and the diameter of the lower guide post 82 is equal to that of the inner wall of the guide post sleeve 7; the diameter of the upper guide post 83 is equal to the diameter of the guide hole 52 on the ejection post 5.
Preferably, an annular positioning boss is formed on the upper end face of the middle positioning module 2, and the positioning boss is inserted into the central hole of the upper positioning module 1.
Preferably, the female die 4 is composed of an annular upper die sleeve 41 and a lower die sleeve 42, the aperture of the inner hole of the upper die sleeve 41 is larger than that of the inner hole of the lower die sleeve 42, an annular cutting groove is formed on the outer ring of the upper end surface of the upper die sleeve 41, an annular retaining ring is formed on the inner wall of the upper end of the upper positioning module 1, and the retaining ring is pressed against the bottom surface of the cutting groove of the upper die sleeve 41.
Preferably, the connecting block 3 is formed with a vent groove 31 communicated with the central hole of the middle positioning module 2.
Preferably, the vent holes 53 on the topping post 5 are distributed in the female die 4.
The working principle is as follows: the utility model relates to a take forging mould of central location ejector pin, its structure is shown in figure 2, utilizes 14 centre gripping cake 13 of manipulator to lay to die 4 top, and cake 13 is shelved on ejection post 5, does not fall to the die cavity of die 4 and is eccentric state, when drift 12 pushes down, can impress cake 13 in the die cavity of die 4, and ejection post 5 also contracts the downside in die 4 simultaneously;
the ejection column 5 moves downwards to drive the positioning sleeve 6 and the guide column sleeve 7 to move on the positioning column 8, the space between the lower sealing ring 11 and the upper sealing ring 10 becomes smaller, and air compression is realized, and when the punch 12 is used, the compressed air can drive the ejection column 5 to reset as shown in fig. 3.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (6)
1. The forging die with the central positioning ejector rod comprises a lower die of the forging die, wherein the lower die comprises an upper positioning module (1), a middle positioning module (2) and a lower positioning module (16), central holes are formed in the upper positioning module (1), the middle positioning module (2) and the lower positioning module (16), a connecting block (3) is arranged between the middle positioning module (2) and the lower positioning module (16), a female die (4) is inserted into a die hole of the upper positioning module (1), the lower end face of the female die (4) abuts against a cushion block (15), and the lower end face of the cushion block (15) abuts against the upper end face of the middle positioning module (2); the method is characterized in that: a material ejection column (5) is inserted in the female die (4), a check ring (51) is formed on the outer wall of the lower end of the material ejection column (5), and the check ring (51) is inserted in the middle positioning module (2) and abuts against the cushion block (15); a vertical guide hole (52) is formed in the lower end face of the material ejection column (5), an exhaust hole (53) communicated with the guide hole (52) is formed in the outer wall of the upper end of the material ejection column (5), and the upper end of the material ejection column (5) is exposed out of the upper end face of the female die (4);
a positioning sleeve (6) is fixed on the lower end face of the ejection column (5), the positioning sleeve (6) is inserted in the middle positioning module (2), an external thread sleeve (9) is screwed on the lower end face of the positioning sleeve (6), the lower end of the external thread sleeve (9) is screwed on the guide column sleeve (7), a positioning column (8) is arranged in the lower positioning module (16) on the lower side of the guide column sleeve (7), the positioning column (8) comprises a fixing block (81) inserted and fixed in the lower positioning module (16), a lower guide column (82) is formed on the upper end face of the fixing block (81), the upper end of the lower guide column (82) is inserted in the guide column sleeve (7) and is formed with an upper guide column (83), and the upper end of the upper guide column (83) passes through the positioning sleeve (6) and is inserted in a guide hole (52) of the ejection column (5); a sealing groove is formed in the outer wall of the upper end of the guide column sleeve (7), a lower sealing ring (11) is fixedly inserted in the sealing groove, and the lower sealing ring (11) is pressed against the inner wall of the guide column sleeve (7); an upper sealing ring (10) is fixedly inserted on the inner wall of the external thread sleeve (9), and the upper sealing ring (10) is pressed against the outer wall of the upper guide pillar (83).
2. The forging die with the center positioning ejector rod as recited in claim 1, wherein: the aperture of the central hole on the middle positioning module (2) is equal to the diameter of the outer wall of the positioning sleeve (6).
3. The forging die with the center positioning ejector rod as recited in claim 2, wherein: the central axis of the upper guide post (83) is coincident with the central axis of the lower guide post (82), the diameter of the lower guide post (82) is larger than that of the upper guide post (83), and the diameter of the lower guide post (82) is equal to that of the inner wall of the guide post sleeve (7); the diameter of the upper guide post (83) is equal to the diameter of the guide hole (52) on the material ejection post (5).
4. The forging die with the center positioning ejector rod as recited in claim 1, wherein: an annular positioning boss is formed on the upper end face of the middle positioning module (2), and the positioning boss is inserted into a central hole of the upper positioning module (1).
5. The forging die with the center positioning ejector rod as recited in claim 1, wherein: the female die (4) consists of an annular upper die sleeve (41) and a lower die sleeve (42), the aperture of an inner hole of the upper die sleeve (41) is larger than that of an inner hole of the lower die sleeve (42), an annular cutting groove is formed in the outer ring of the upper end face of the upper die sleeve (41), an annular retaining ring is formed on the inner wall of the upper end of the upper positioning module (1), and the retaining ring is pressed against the bottom surface of the cutting groove of the upper die sleeve (41).
6. The forging die with the center positioning ejector rod as recited in claim 1, wherein: an exhaust groove (31) communicated with the central hole of the middle positioning module (2) is formed in the connecting block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926690.0U CN213288531U (en) | 2020-09-07 | 2020-09-07 | Forging die with central positioning ejector rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021926690.0U CN213288531U (en) | 2020-09-07 | 2020-09-07 | Forging die with central positioning ejector rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213288531U true CN213288531U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021926690.0U Active CN213288531U (en) | 2020-09-07 | 2020-09-07 | Forging die with central positioning ejector rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213288531U (en) |
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2020
- 2020-09-07 CN CN202021926690.0U patent/CN213288531U/en active Active
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