CN219966202U - Die for hydraulic joint - Google Patents

Abstract

The utility model discloses a die for a hydraulic joint, which relates to the field of dies and comprises a die set for forming the hydraulic joint, wherein the die set comprises a first die, a second die, a third die, a fourth die, a fifth die and a sixth die, and the diameters of the outer side walls of the first die, the second die, the third die, the fourth die, the fifth die and the sixth die are the same; the first die comprises a first male die and a first female die, a first groove is formed in the end portion of the first female die, and a first guide surface is formed in the bottom of the first groove. The utility model has the effect of facilitating the processing of the hydraulic joint and smoothing the inner side wall of the hydraulic joint.

Description

Die for hydraulic joint

Technical Field

The utility model relates to the field of dies, in particular to a die for a hydraulic joint.

Background

The hydraulic joint is a hydraulic system for connecting different hydraulic components to form a closed circuit and is a fitting for connecting

The patent with publication number CN216729358U discloses a die for a cold header, which comprises an upper die, a positioning mechanism and a lower die, wherein the upper die is arranged at the stamping end of the cold header, and a punch corresponding to a nut hole is arranged on the bottom surface of the upper die; the lower die is arranged on a substrate of the cold header, and a countersunk head groove for accommodating a raw material block in a matched manner is formed in the top surface of the lower die; the positioning mechanism is arranged on the top surface of the lower die and comprises a rectangular retainer ring and a positioning assembly; the check ring is arranged on the top surface of the lower die, and the center of the check ring corresponds to the countersunk groove; two symmetrical positioning components are matched in the check ring, the two positioning components can move oppositely or reversely along the length direction of the check ring, when the two positioning components are in conflict, a raw material block in the countersunk head groove can be pressed, and a punching hole for a punch to pass through is reserved; and the die can improve the production quality of the nut.

In the process of realizing the above application, the inventors found that there is at least a problem in this technique that the die set uses only the processing of the nut, but cannot be used when the hydraulic joint processing is performed, and the hydraulic joint processing is inconvenient to perform.

Disclosure of Invention

In order to facilitate the processing of hydraulic joints, the utility model provides a die for hydraulic joints.

The utility model provides a die for a hydraulic joint, which adopts the following technical scheme:

the die set comprises a first die, a second die, a third die, a fourth die, a fifth die and a sixth die, wherein the diameters of the outer side walls of the first die, the second die, the third die, the fourth die, the fifth die and the sixth die are the same; the first die comprises a first male die and a first female die, a first groove is formed in the end portion of the first female die, and a first guide surface is formed in the bottom of the first groove.

Through adopting above-mentioned technical scheme, first mould, second mould, third mould, fourth mould, fifth mould, sixth mould combined action in the mould group to process hydraulic joint, raw and other materials are pressed under the effect of first terrace die and first die simultaneously, and raw and other materials appearance is the same with first recess shape, is convenient for go on of hydraulic joint next step process.

Optionally, the second die comprises a second male die and a second female die, a second groove is formed in the end face of the second female die, a second guide surface is formed in the bottom of the second groove, the diameter of the bottom of the second groove is larger than that of the bottom of the first groove, and a second male rod is fixed at the end of the second male die.

Through adopting above-mentioned technical scheme, under second die and second terrace die effect, the hydraulic joint that first mould processing was accomplished is pressed in the second recess, makes its appearance the same with the second recess, and under the effect of second protruding pole, the hydraulic joint tip forms the shrinkage pool simultaneously.

Optionally, the third die comprises a third male die and a third female die, a third groove is formed in the end face of the third female die, a third convex rod is fixed at the end part of the upper male die, and the length of the third convex rod is larger than that of the second convex rod.

Through adopting above-mentioned technical scheme, under third die and third terrace die effect, the hydraulic pressure joint that the second mould processing was accomplished is pressed in the third recess, makes its appearance the same with the third recess, and under the effect of third protruding pole simultaneously, the hydraulic pressure joint tip forms the shrinkage pool and deepens further.

Optionally, the fourth die comprises a fourth male die and a fourth female die, a fourth groove is formed in the end face of the fourth female die, a fourth guide surface is formed in the bottom of the fourth groove, and a fourth male rod is fixed to the end portion of the fourth male die.

Through adopting above-mentioned technical scheme, under fourth die and fourth terrace die effect, the hydraulic pressure joint after the third mould processing is arranged in the fourth recess and is pressed, and under the effect of fourth protruding pole, the recess of hydraulic pressure joint tip deepens soon simultaneously.

Optionally, the fifth die comprises a fifth male die and a fifth female die, a fifth groove is formed in the end face of the fifth female die, a communication hole is formed in the bottom of the fifth groove, and a fifth male rod is fixed to the end portion of the fifth male die.

Through adopting above-mentioned technical scheme, under fifth die and the effect of fourth fifth mould, the hydraulic pressure joint after the processing of third mould is arranged in the fourth recess and is pressed, makes its shape and fifth recess, the same as the model group of intercommunicating pore, under the effect of fifth protruding pole, the shrinkage pool of hydraulic pressure joint tip will be followed the hydraulic pressure and connect the axial direction and run through the hydraulic pressure joint.

Optionally, the sixth die comprises a sixth male die and a sixth female die, a sixth groove is formed in the end face of the sixth female die, an extension hole is formed in the bottom of the sixth groove, a sixth convex rod is fixed to the end portion of the sixth male die, and the length of the sixth convex rod is greater than that of the fifth convex rod.

By adopting the technical scheme, the sixth die further processes the hydraulic joint in the sixth groove to change the shape of the hydraulic joint into the required shape, and the processing is completed; meanwhile, as the concave holes on the hydraulic joint are deepened in one direction in sequence, the inner side wall of the hydraulic joint cannot be provided with a matching line, and the quality of the hydraulic joint is improved.

Optionally, the outer side walls of the first mold, the second mold, the third mold, the fourth mold, the fifth mold and the sixth mold are all fixed with fixing rings.

Through adopting above-mentioned technical scheme, the fixed ring is convenient for the fixed of mould group position, and the installation and the dismantlement of mould are comparatively convenient.

Optionally, the bottom of first mould, second mould, third mould, fourth mould, fifth mould, sixth mould has all seted up the air vent, sliding connection has the catch bar in the air vent.

Through adopting above-mentioned technical scheme, the air vent has reduced the inside possibility that is the negative pressure state and the difficult hydraulic joint that leads to takes out of mould group, and the catch bar is used for promoting hydraulic joint simultaneously, is convenient for hydraulic joint's taking out.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the first die, the second die, the third die, the fourth die, the fifth die and the sixth die in the die set work together to process raw materials, so that the raw materials are processed into a hydraulic joint finished product, and the hydraulic joint processing process is convenient to carry out;

2. because the shrinkage pool on the hydraulic joint deepens in proper order in the unilateral, so the cooperation line can not appear in the hydraulic joint inside wall, has promoted the quality of hydraulic joint.

Drawings

FIG. 1 is a cross-sectional view of various shapes of a die set in an embodiment of the utility model.

Fig. 2 is a sectional view of the internal structure of the first mold.

Fig. 3 is a sectional view of the internal structure of the second mold.

Fig. 4 is a sectional view of the internal structure of the third mold.

Fig. 5 is a cross-sectional view of the internal structure of the fourth mold.

Fig. 6 is a sectional view of the internal structure of the fifth mold.

Fig. 7 is a sectional view of the internal structure of the sixth die.

Reference numerals illustrate:

1. a first mold; 2. a second mold; 3. a third mold; 4. a fourth die; 5. a fifth die; 6. a sixth die; 7. a first punch; 8. a first female die; 9. a first groove; 10. a first guide surface; 11. a second male die; 12. a second female die; 13. a second groove; 14. a second guide surface; 15. a second protruding rod; 16. a third male die; 17. a third female die; 18. a third groove; 19. a third protruding rod; 20. a fourth male die; 21. a fourth female die; 22. a fourth groove; 23. a fourth guide surface; 24. a fourth protruding bar; 25. a fifth male die; 26. a fifth female die; 27. a fifth groove; 28. a communication hole; 29. a fifth protruding rod; 30. a sixth male die; 31. a sixth female die; 32. a sixth groove; 33. an elongated aperture; 34. a sixth protruding rod; 35. a fixing ring; 36. a vent hole; 37. pushing the rod.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-7.

The embodiment of the utility model discloses a die for a hydraulic joint. Referring to fig. 1 and 2, a die for a hydraulic joint includes a die set for use in a multi-station cold header and for molding the hydraulic joint, the die set including a first die 1, a second die 2, a third die 3, a fourth die 4, a fifth die 5, and a sixth die 6, while outer side walls of the first die 1, the second die 2, the third die 3, the fourth die 4, the fifth die 5, and the sixth die 6 have the same diameter; the first die 1 comprises a first male die 7 and a first female die 8, the first male die 7 and the first female die 8 are coaxially arranged, a first groove 9 is formed in the end face of the first female die 8, which is right opposite to the first male die 7, the first groove 9 and the first female die 8 are coaxially arranged, a hydraulic joint is placed in the first groove 9, a first guide surface 10 is formed in the bottom of the first groove 9, the first guide surface 10 is arc-shaped, the hydraulic joint is placed in the first groove 9, and the hydraulic joint deforms under the action of the first male die 7 and has the same shape as the first groove 9.

Referring to fig. 1 and 3, the second die 2 includes a second male die 11 and a second female die 12, the second male die 11 and the second female die 12 are coaxially arranged, a second groove 13 is formed in the end face of the second male die 11, a second guiding surface 14 is formed in the bottom of the second groove 13, the first groove 9 and the second groove 13 have the same length, meanwhile, the diameter of the second groove 13 is larger than that of the first groove 9, a second convex rod 15 is integrally formed in the end face of the second male die 11 and the end face of the second female die 12, the second convex rod 15 and the second male die 11 are coaxially arranged, a hydraulic joint is transferred from the first die 1 to the second die 2 and then placed in the second groove 13, and under the action of the second male die 11 and the second convex rod 15, the end part of the hydraulic joint is extruded in a groove with the same shape as the second convex rod 15.

Referring to fig. 1 and 4, the third mold 3 includes a third male mold 16 and a third female mold 17, a third groove 18 is formed on the end surface of the third female mold 17, the third groove 18 and the third female mold 17 are coaxially arranged, the diameter of the third groove 18 is larger than that of the second groove 13, meanwhile, the length of the third groove 18 is larger than that of the second groove 13, a third convex rod 19 is integrally formed on the end surface of the third male mold 16, which is opposite to the end surface of the third female mold 17, the diameter of the third convex rod 19 is the same as that of the second convex rod 15, meanwhile, the length of the third convex rod 19 is larger than that of the second convex rod 15, meanwhile, the length of the third convex rod 19 is smaller than that of the third groove 18, the hydraulic joint is transferred from the second mold 2 to the third mold 3 and then placed in the third groove 18, the external shape of the hydraulic joint is identical to the shape of the inner wall of the third groove 18 under the action of the third male mold 16 and the third concave rod 19, and meanwhile, the length of the groove 15 formed by the third convex rod 19 is increased.

Referring to fig. 1 and 5, the fourth die 4 includes a fourth male die 20 and a fourth female die 21, a fourth groove 22 is formed on the end surface of the fourth male die 20, the fourth groove 22 and the fourth female die 21 are coaxially arranged, meanwhile, the length of the fourth groove 22 is the same as that of the third groove 18, a fourth guide surface 23 is formed at the bottom of the fourth groove 22, a fourth convex rod 24 is integrally formed on the end surface of the fourth male die 20, which is opposite to the end surface of the fourth female die 21, the length of the fourth convex rod 24 is greater than that of the third convex rod 19, meanwhile, the length of the fourth convex rod 24 is greater than that of the fourth groove 22, and after the hydraulic joint is transferred from the third die 3 to the fourth die 4, the shape of the outer side wall of the hydraulic joint is the same as that of the inner wall of the fourth groove 22 under the action of the fourth male die 20 and the fourth convex rod 24, and meanwhile, under the action of the fourth convex rod 24, the groove 19 forms a groove penetrating the hydraulic joint.

Referring to fig. 1 and 6, the fifth mold 5 includes a fifth male mold 25 and a fifth female mold 26, a fifth groove 27 is provided on an end surface of the fifth female mold 26 opposite to the fifth male mold 25, the fifth groove 27 is coaxially provided with the fifth female mold 26, a fifth guiding surface is provided on a bottom of the fifth groove 27, a communication hole 28 is provided on a bottom of the fifth groove 27, the communication hole 28 is coaxially provided with the fifth groove 27, a diameter of the fifth groove 27 is larger than a diameter of the communication hole 28, a length of the fifth groove 27 is smaller than a length of the fourth groove 22, and a common length of the fifth groove 27 and the communication hole 28 is larger than a length of the fourth groove 22; a fifth convex rod 29 is integrally formed on the end surface of the fifth convex die 25, which is opposite to the fifth concave die 26, the fifth convex rod 29 and the fifth convex die 25 are coaxially arranged, and the length of the fifth convex rod 29 is greater than or equal to the common length of the fifth groove and the communication hole 28; after the hydraulic joint is transferred from the fourth die 4 to the fifth die 5, the shape of the outer side wall of the hydraulic joint is the same as that of the fifth groove 27 and the communication hole 28 under the action of the fifth groove 27, and the groove formed by the fourth convex rod 24 is kept to penetrate the hydraulic joint under the action of the fifth convex rod 29.

Referring to fig. 1 and 7, the sixth die 6 includes a sixth male die 30 and a sixth female die 31, a sixth groove 32 is formed on the end surface of the sixth male die 30 by the sixth female die 31, the sixth groove 32 is coaxially arranged with the sixth female die 31, a sixth guiding surface is formed at the bottom of the sixth groove 32, an extension hole 33 is communicated with the bottom of the sixth groove 32, the extension hole 33 is coaxially arranged with the sixth groove 32, the length of the sixth groove 32 is smaller than the length of the fifth groove 27, and meanwhile, the common length of the sixth groove 32 and the extension hole 33 is larger than the common length of the fifth groove 27 and the communication hole 28; a sixth male die 30 is integrally formed with a sixth male rod 34 on the end face of the sixth recess 32, and the length of the sixth male rod 34 is longer than that of the fifth male rod 29; meanwhile, the length of the sixth convex rod 34 is larger than or equal to the common length of the six grooves and the extension hole 33; after the hydraulic joint is transferred into the sixth mould 6, it is shaped by the sixth mould 6.

Referring to fig. 1 and 7, the outer side walls of the first mold 1, the second mold 2, the third mold 3, the fourth mold 4, the fifth mold 5 and the sixth mold 6 are all fixed with a fixing ring 35, the fixing ring 35 is convenient for fixing the positions of the molds, meanwhile, vent holes 36 are formed in the bottoms of the first mold 1, the second mold 2, the third mold 3, the fourth mold 4, the fifth mold 5 and the sixth mold 6, push rods 37 for pushing hydraulic joints can be arranged in the vent holes 36 in a penetrating mode, push springs are arranged between the inner side walls of the vent holes 36 and the push rods 37, one ends of the push springs are adhered to the inner side walls of the vent holes 36, the other ends of the push springs are adhered to the side walls of the push rods 37, the push springs are used for pulling the push rods 37 to slide towards the direction close to the mold set, and the hydraulic joints are conveniently pushed out while the negative pressure state of the interiors of the molds is reduced.

The implementation principle of the die for the hydraulic joint provided by the embodiment of the utility model is as follows: raw materials are subjected to the actions of a first die 1, a second die 2, a third die 3, a fourth die 4, a fifth die 5 and a sixth die 6 in the cold header in sequence, the external shape and the internal shape of the raw materials are continuously changed, and the raw materials are finally molded; meanwhile, due to the specific structure of the die set, in the machining process of the hydraulic joint, concave holes in the hydraulic joint are sequentially machined along a single direction, and after machining is finished, the hydraulic joint is smooth, so that the service life of the hydraulic joint is prolonged.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a mould for hydraulic joint which characterized in that: the hydraulic joint forming die comprises a die set for forming a hydraulic joint, wherein the die set comprises a first die (1), a second die (2), a third die (3), a fourth die (4), a fifth die (5) and a sixth die (6), and the diameters of the outer side walls of the first die (1), the second die (2), the third die (3), the fourth die (4), the fifth die (5) and the sixth die (6) are the same; the first die (1) comprises a first male die (7) and a first female die (8), a first groove (9) is formed in the end portion of the first female die (8), and a first guide surface (10) is formed in the bottom of the first groove (9).

2. A hydraulic joint die according to claim 1, wherein: the second die (2) comprises a second male die (11) and a second female die (12), a second groove (13) is formed in the end face of the second female die (12), a second guide surface (14) is formed in the bottom of the second groove (13), the bottom diameter of the second groove (13) is larger than that of the first groove (9), and a second male rod (15) is fixed at the end of the second male die (11).

3. A hydraulic joint die according to claim 2, wherein: the third die (3) comprises a third male die (16) and a third female die (17), a third groove (18) is formed in the end face of the third female die (17), a third male rod (19) is fixed at the end of the third male die (16), and the length of the third male rod (19) is greater than that of the second male rod (15).

4. A hydraulic joint die according to claim 1, wherein: the fourth die (4) comprises a fourth male die (20) and a fourth female die (21), a fourth groove (22) is formed in the end face of the fourth female die (21), a fourth guide surface (23) is formed in the bottom of the fourth groove (22), and a fourth male rod (24) is fixed to the end portion of the fourth male die (20).

5. A hydraulic joint die according to claim 1, wherein: the fifth die (5) comprises a fifth male die (25) and a fifth female die (26), a fifth groove (27) is formed in the end face of the fifth female die (26), a communication hole (28) is formed in the bottom of the fifth groove (27), and a fifth male rod (29) is fixed to the end portion of the fifth male die (25).

6. The hydraulic joint mold according to claim 5, wherein: the sixth die (6) comprises a sixth male die (30) and a sixth female die (31), a sixth groove (32) is formed in the end face of the sixth female die (31), an extension hole (33) is formed in the bottom of the sixth groove (32), a sixth male rod (34) is fixed to the end portion of the sixth male die (30), and the length of the sixth male rod (34) is greater than that of the fifth male rod (29).

7. A hydraulic joint die according to claim 1, wherein: the outer side walls of the first die (1), the second die (2), the third die (3), the fourth die (4), the fifth die (5) and the sixth die (6) are respectively fixed with a fixing ring (35).

8. A hydraulic joint die according to claim 1, wherein: vent holes (36) are formed in the bottoms of the first die (1), the second die (2), the third die (3), the fourth die (4), the fifth die (5) and the sixth die (6), and pushing rods (37) are connected in the vent holes (36) in a sliding mode.