Special-shaped punch gland for metallurgical production

Abstract

The utility model discloses a special-shaped punch gland for metallurgical production, which belongs to the technical field of punch glands and comprises a gland fitting part, a gland pressing part and a fixing component, the top of the gland fitting part is fixedly connected with four annularly distributed connecting columns, the edge of the gland pressing part is provided with four annularly distributed connecting holes, and the fixing component is fixedly connected with the gland fitting part. A fixing hole is formed in the middle of the connecting column, the fixing assembly comprises a stud rotationally installed in the groove, one end of the stud is in threaded connection with a fixing column extending into the connecting hole, the other end of the stud is fixedly sleeved with a worm wheel, one side of the worm wheel is in meshed connection with a worm, the worm is fixedly sleeved with a gear, and the gear is in threaded connection with the fixing column. One side of the gear is connected with an inner gear ring in a meshed mode, and the upper end of one worm is fixedly connected with a nut. Through the arrangement of the connecting column, the connecting hole, the fixing hole and the fixing assembly, the screwing frequency during gland connection is reduced, operation is simplified, and production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of punch and capping, in particular to a special-shaped punch and capping for metallurgical production. Background Art

[0002] Powder metallurgy is an industrial technology that produces metal powder or uses metal powder (or a mixture of metal powder and non-metallic powder) as raw material, and then forms and sinters it to produce metal materials, composite materials, and various types of products. Currently, powder metallurgy technology has been widely used in transportation, machinery, electronics, aerospace, weapons, biology, new energy, information, and nuclear industries, becoming one of the most dynamic branches of new materials science. Powder metallurgy technology has a series of advantages such as significant energy saving and material saving, excellent performance, high product precision and good stability, and is very suitable for mass production. In addition, some materials and complex parts that cannot be prepared by traditional casting and machining methods can also be manufactured using powder metallurgy technology, and therefore it has received much attention from the industry.

[0003] At present, there are many types of special-shaped punches for powder metallurgy molds, which leads to the complexity of the production process of special-shaped punch covers used in conjunction with special-shaped punches.

[0004] The existing Chinese patent with announcement number CN205057054U discloses a powder metallurgy special-shaped punch cover, including a cover fitting, a cover holding part and a collar. The cover fitting and the cover holding part are movably connected, the cover fitting is provided with a special-shaped hole, and the cover holding part is provided with a circular through hole; a circle of limiting plates is fixedly connected to the lower end of the cover holding part, the collar is sleeved on the cover holding part, the inner side of the collar is provided with an internal thread, and the outer wall of the upper end of the cover fitting is provided with an external thread.

[0005] With respect to the above-mentioned related technologies, the inventors found that there are at least the following problems in the technology: when connecting the pressure cover fitting and the pressure cover pressing part, four bolts are required for fixing, and the four bolts need to be screwed separately, which is very cumbersome and seriously affects production efficiency. Utility Model Content

[0006] The purpose of the utility model is to provide a special-shaped punch cover for metallurgical production to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solution: a special-shaped punch gland for metallurgical production, comprising a gland fitting, a gland pressing piece, and a fixing assembly, wherein the top of the gland fitting is fixedly connected to four annularly distributed connecting posts, the edge of the gland pressing piece is provided with four annularly distributed connecting holes, the middle of the connecting post is provided with a fixing hole, the gland pressing piece is provided with a groove on one side of the connecting hole, and the fixing assembly is arranged in the groove;

[0008] The fixing assembly includes a stud rotatably installed in the groove, one end of the stud is threadedly connected to a fixing column extending into the connecting hole, the other end of the stud is fixedly sleeved with a worm wheel, one side of the worm wheel is meshedly connected to a worm, a gear is fixedly sleeved on the worm, one side of the gear is meshedly connected to an internal gear ring, and the upper end of one of the worms is fixedly connected to a nut.

[0009] As a preferred embodiment, a special-shaped hole is opened in the center of the gland fitting.

[0010] As a preferred embodiment, a circular through hole is provided in the center of the gland pressing member.

[0011] As a preferred embodiment, a receiving groove is provided on the surface of the gland pressing member, and the nut is arranged in the receiving groove.

[0012] As a preferred embodiment, an annular groove is opened inside the pressure cover pressing part, the gear and the inner gear ring are both arranged in the annular groove, and a limiting ring is fixedly provided on the outer circumference of the inner gear ring, and the limiting ring is slidably connected in the annular groove.

[0013] As a preferred embodiment, a limiting groove is provided on the inner wall of the groove, the bottom of the fixing column is fixedly connected to a limiting block, and the limiting block is slidably connected in the limiting groove.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The special-shaped punch gland for metallurgical production is provided with a connecting column, a connecting hole, a fixing hole and a fixing assembly. When the gland mating part and the gland pressing part are connected, the connecting column is aligned with the corresponding connecting hole and inserted. When the connecting column is fully inserted into the connecting hole, only one nut needs to be rotated. The nut drives one of the worms to rotate, so that the worm drives the corresponding gear to rotate. The gear drives the other gears to rotate synchronously through the internal gear ring. The gear drives the other worms to rotate synchronously, so that all the worms rotate and drive the studs to rotate. The studs drive the fixing columns to be inserted into the fixing holes of the corresponding connecting columns. All the connecting columns can be plugged and fixed, thereby reducing the number of screwing times, simplifying the operation and improving the production efficiency.

[0016] The special-shaped punch cover for metallurgical production can provide a storage and protection effect for the nut by setting the receiving groove, thereby preventing the nut from being accidentally hit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2This is a schematic diagram of the split structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of the structure in the middle.

[0021] In the figure: 1. gland fitting; 11. special-shaped hole; 12. connecting column; 13. fixing hole; 2. gland pressing part; 21. circular through hole; 22. connecting hole; 23. groove; 24. accommodating groove; 25. annular groove; 26. limiting groove; 3. fixing component; 31. stud; 32. fixing column; 33. worm gear; 34. worm; 35. gear; 36. inner gear ring; 37. nut; 38. limiting ring; 39. limiting block. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the embodiments.

[0023] The following examples are intended to illustrate the present invention and are not intended to limit the scope of protection of the present invention. The conditions in the examples may be further adjusted according to specific conditions. Simple improvements to the method of the present invention based on the concept of the present invention fall within the scope of protection claimed by the present invention.

[0024] See also Figure 1-4 The utility model provides a special-shaped punch cover for metallurgical production, including a cover fitting part 1, a cover holding part 2 and a fixing component 3. A special-shaped hole 11 is opened in the center of the cover fitting part 1, a circular through hole 21 is opened in the center of the cover holding part 2, four annularly distributed connecting columns 12 are fixedly connected to the top of the cover fitting part 1, four annularly distributed connecting holes 22 are opened at the edge of the cover holding part 2, a fixing hole 13 is opened in the middle of the connecting column 12, a groove 23 is opened on one side of the connecting hole 22 of the cover holding part 2, and the fixing component 3 is arranged in the groove 23. Through the arrangement of the connecting column 12, the connecting hole 22, the fixing hole 13 and the fixing component 3, when the cover fitting part 1 and the cover holding part 2 are connected, the connecting column 12 is aligned with the corresponding connecting hole 22 and inserted, and then fixed by the fixing component 3.

[0025] Specifically, the fixing assembly 3 includes a stud 31 rotatably mounted in the groove 23, one end of the stud 31 is threadedly connected to a fixing post 32 extending into the connecting hole 22, and the other end of the stud 31 is fixedly sleeved with a worm gear 33, one side of the worm gear 33 is meshedly connected to a worm 34, a gear 35 is fixedly sleeved on the worm 34, one side of the gear 35 is meshedly connected to an internal gear ring 36, and a nut 37 is fixedly connected to the upper end of one of the worm gears 34. Through the setting of the fixing assembly 3, when the connecting post 12 is fully inserted into the connecting hole 22, only one screw needs to be tightened. The cap 37 rotates, and the nut 37 drives one of the worms 34 to rotate, so that the worm 34 drives the corresponding gear 35 to rotate. The gear 35 drives the other gears 35 to rotate synchronously through the inner gear ring 36. The gear 35 drives the other worms 34 to rotate synchronously, so that all the worms 34 rotate and drive the stud 31 to rotate, so that the stud 31 drives the fixing column 32 to be inserted into the fixing hole 13 of the corresponding connecting column 12, so that all the connecting columns 12 can be plugged and fixed, which reduces the number of screwing times, simplifies the operation, and improves production efficiency.

[0026] Among them, a receiving groove 24 is opened on the surface of the pressure cover pressing part 2, and the nut 37 is arranged in the receiving groove 24. Through the setting of the receiving groove 24, the nut 37 can be accommodated and protected.

[0027] Among them, an annular groove 25 is opened inside the pressure cover pressing part 2, and the gear 35 and the inner gear ring 36 are both arranged in the annular groove 25. A limiting ring 38 is fixedly provided on the outer circumference of the inner gear ring 36, and the limiting ring 38 is slidably connected in the annular groove 25. Through the setting of the annular groove 25 and the limiting ring 38, the inner gear ring 36 can play an annular guiding role, so that the inner gear ring 36 can slide stably in the circumferential direction.

[0028] Among them, a limiting groove 26 is opened on the inner wall of the groove 23, and the bottom of the fixed column 32 is fixedly connected to the limiting block 39. The limiting block 39 is slidably connected in the limiting groove 26. Through the cooperation between the limiting groove 26 and the limiting block 39, the fixing column 32 can be limited.

[0029] The working principle and usage process of the present invention are as follows: First, through the arrangement of the connecting column 12, the connecting hole 22, the fixing hole 13 and the fixing assembly 3, when the gland fitting 1 and the gland pressing part 2 are connected, the connecting column 12 is aligned with the corresponding connecting hole 22 and inserted. When the connecting column 12 is fully inserted into the connecting hole 22, only one nut 37 needs to be rotated, and the nut 37 drives one of the worms 34 to rotate, so that the worm 34 drives the corresponding gear 35 to rotate, and the gear 35 drives the other gears 35 to rotate synchronously through the inner gear ring 36, and drives the other worms 34 to rotate synchronously through the gear 35, so that all the worms 34 rotate and drive the stud 31 to rotate, so that the stud 31 drives the fixing column 32 to be inserted into the fixing hole 13 of the corresponding connecting column 12, so that all the connecting columns 12 can be plugged and fixed, which reduces the number of screwing times, simplifies the operation, and improves production efficiency.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special-shaped punch gland for metallurgical production, comprising a gland fitting (1), a gland pressing member (2) and a fixing assembly (3), characterized in that: The top of the gland fitting (1) is fixedly connected with four annularly distributed connecting columns (12), the edge of the gland pressing member (2) is provided with four annularly distributed connecting holes (22), the middle of the connecting column (12) is provided with a fixing hole (13), the gland pressing member (2) is provided with a groove (23) on one side of the connecting hole (22), and the fixing assembly (3) is arranged in the groove (23); The fixing assembly (3) comprises a stud (31) rotatably mounted in a groove (23); one end of the stud (31) is threadedly connected to a fixing column (32) extending into a connecting hole (22); the other end of the stud (31) is fixedly sleeved with a worm gear (33); one side of the worm gear (33) is meshedly connected to a worm (34); a gear (35) is fixedly sleeved on the worm gear (34); one side of the gear (35) is meshedly connected to an inner gear ring (36); and a nut (37) is fixedly connected to the upper end of one of the worm gears (34).

2. The special-shaped punch gland for metallurgical production according to claim 1, characterized in that: A special-shaped hole (11) is provided at the center of the gland fitting (1).

3. The special-shaped punch gland for metallurgical production according to claim 1, characterized in that: A circular through hole (21) is provided at the center of the gland pressing piece (2).

4. The special-shaped punch gland for metallurgical production according to claim 1, characterized in that: The surface of the gland pressing member (2) is provided with an accommodating groove (24), and the nut (37) is arranged in the accommodating groove (24).

5. The special-shaped punch gland for metallurgical production according to claim 1, characterized in that: An annular groove (25) is provided inside the gland pressing member (2), the gear (35) and the inner gear ring (36) are both arranged in the annular groove (25), a limiting ring (38) is fixedly provided on the outer circumference of the inner gear ring (36), and the limiting ring (38) is slidably connected in the annular groove (25).

6. The special-shaped punch gland for metallurgical production according to claim 1, characterized in that: A limiting groove (26) is provided on the inner wall of the groove (23); a limiting block (39) is fixedly connected to the bottom of the fixing column (32); and the limiting block (39) is slidably connected in the limiting groove (26).

Images