Locking mechanism of cold drawing machine

Abstract

The utility model discloses a locking mechanism of a cold-drawing machine, which relates to the field of aluminum pipe processing equipment and comprises a cold-drawing machine main body, supporting bases are fixedly connected to corners of the lower end of the cold-drawing machine main body, a metal steel pipe supporting component is arranged on the left side of the upper end of the cold-drawing machine main body, and a die adjusting and locking component is arranged on the right side of the upper end of the cold-drawing machine main body. The die adjusting and locking assembly comprises a second side plate, the lower end of the second side plate is fixedly connected with the cold-drawing machine body, an arc-shaped groove is formed in the rear end of the second side plate, a second open groove is formed in the front end of the arc-shaped groove, the second open groove communicates with a first open groove formed in the second side plate, and a rotating circular plate is arranged in the arc-shaped groove. A follow-up shaft is fixedly connected to the surface of the rotating circular plate, a plurality of circumferentially-distributed mold bodies are arranged on the surface of the rotating circular plate, and a plurality of circumferentially-distributed locking holes are formed in the outer end of the rotating circular plate. According to the cold-drawing die, the angle of different die bodies can be conveniently adjusted, and the cold-drawing efficiency of the metal steel pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum pipe processing equipment field, concretely is a locking mechanism of cold drawing machine. BACKGROUND

[0002] Cold drawing machine is a kind of mechanical equipment for metal material cold working, changes the size and mechanical properties of metal material by drawing process, is widely used in the manufacturing field of steel, non-ferrous metal and its alloy;

[0003] Cold drawing machine makes metal material produce plastic deformation at normal temperature by the constraint of die and the action of tension force.Material section size decreases, length increases when passing through die, and the precision, surface finish and mechanical properties (such as strength and hardness) of material are improved.

[0004] The prior art has the problem that the metal forming die is inconvenient to replace during the processing of metal steel pipe, which causes inconvenience during the replacement of the die in use, and finally reduces the cold drawing efficiency of metal steel pipe, therefore, we provide a locking mechanism of cold drawing machine. UTILITY MODEL CONTENTS

[0005] The utility model is to provide a locking mechanism of cold drawing machine to solve the problem in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a locking mechanism of cold drawing machine, including cold drawing machine main body, each corner of cold drawing machine main body lower extreme is fixedly connected with support base, cold drawing machine main body upper end left side is provided with metal steel pipe support assembly, cold drawing machine main body upper end right side is provided with die adjusting locking assembly, die adjusting locking assembly includes second side plate, second side plate lower extreme is fixedly connected with cold drawing machine main body, the rear end of second side plate is provided with arc slot, the front end of arc slot is provided with second opening slot, second opening slot is connected with the first opening slot of second side plate, the arc slot is provided with rotating round plate, the surface of rotating round plate is fixedly connected with follow-up shaft, the surface of rotating round plate is provided with a plurality of circumferentially distributed die bodies, the outer end of rotating round plate is provided with a plurality of circumferentially distributed locking holes, each locking hole corresponds die body, the inner wall of first opening slot is fixedly connected with spring, the end, away from second opening slot of spring is fixedly connected with locking column, locking column corresponds locking hole, the end, close to spring of locking column is fixedly connected with pull column.

[0007] Preferably, the outer end of the follow-up shaft is fixedly connected with a rotating gear, the rear end of the rotating gear is meshingly connected with a moving rack, the lower end of the moving rack is fixedly connected with the output end of an electric push rod, the lower end of the electric push rod is fixedly connected with a supporting plate, and the inner end of the supporting plate is fixedly connected with the second side plate.

[0008] Preferably, the metal pipe supporting assembly comprises a first side plate fixedly connected to the left side of the upper end of the cold-drawing machine body, a first through hole is formed in the surface of the first side plate, a metal pipe supporting arc plate is fixedly connected to the end of the first side plate close to the second side plate, the metal pipe supporting arc plate is arranged at the lower part of the first through hole, and the first through hole corresponds to the second through hole.

[0009] Preferably, the first opening groove is communicated with the arc-shaped groove, and the inner diameter of the first opening groove is larger than that of the second opening groove.

[0010] Preferably, the follow-up shaft penetrates through the rotating circular plate, the end of the follow-up shaft away from the metal pipe supporting assembly penetrates through the second side plate, and the outer end of the follow-up shaft is rotatably connected to the second side plate through a bearing.

[0011] Preferably, a second through hole is formed in the surface of the second side plate, and the second through hole is arranged corresponding to the die body.

[0012] Preferably, the outer end of the pulling column is slidably connected to the second opening groove, the outer end of the locking column is slidably connected to the first opening groove, and the spring is sleeved on the pulling column.

[0013] Preferably, the outer diameter of the locking column is matched with the inner diameter of the locking hole, the end of the locking column away from the pulling column is chamfered, and the inner end of the locking hole is chamfered.

[0014] Compared with the prior art, the metal pipe supporting assembly has the advantages that:

[0015] 1. The cold-drawing machine body and the die adjusting and locking assembly are arranged, so that when the angle of the die body needs to be adjusted, the electric push rod can be powered through an external power source, the output end of the electric push rod drives the moving rack to move upwards, the moving rack drives the rotating gear to rotate counterclockwise, the rotating gear drives the follow-up shaft to rotate and further drives the rotating circular plate to rotate, during the counterclockwise rotation of the rotating circular plate, the end of the locking column close to the rotating circular plate always abuts against the outer end of the rotating circular plate, when the locking column is aligned with the locking hole, the spring has a tendency to restore to the original length, and the spring drives the locking column to be inserted into the locking hole, so that the die body can be conveniently adjusted in angle, and the cold-drawing efficiency of the metal pipe is improved.

[0016] 2. The cold-drawing machine body, the supporting base and the metal pipe supporting assembly are arranged, so that when the metal pipe is supported, the metal pipe can be inserted into the first through hole from the left side, and the metal pipe is arranged on the metal pipe supporting arc plate, so that the stability of the metal pipe during the cold-drawing process is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 This is a schematic cross-sectional view of the mold adjustment and locking assembly of this utility model.

[0019] Figure 3 This utility model Figure 2 Enlarged view of the structure of section A in the middle;

[0020] Figure 4 This is a schematic diagram of the metal steel pipe support assembly structure of this utility model.

[0021] In the diagram: 1. Cold drawing machine body; 2. Support base; 3. Metal steel pipe support assembly; 31. First side plate; 32. First through hole; 33. Metal steel pipe support arc plate; 4. Mold adjustment and locking assembly; 41. Second side plate; 42. Arc groove; 43. Second through hole; 44. Rotating circular plate; 45. Locking hole; 46. Follower shaft; 47. Mold body; 48. Rotating gear; 49. Moving rack; 410. Pull-out column; 411. Electric push rod; 412. Support plate; 413. First opening slot; 414. Second opening slot; 415. Spring; 416. Locking column. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1 - Figure 4The utility model provides a technical scheme: a locking mechanism of cold-drawing machine, including cold-drawing machine main body 1, each corner of cold-drawing machine main body 1 lower extreme is fixedly connected with support base 2, and the left side of cold-drawing machine main body 1 upper end is provided with metal steel pipe support subassembly 3, and the right side of cold-drawing machine main body 1 upper end is provided with mould adjusting locking subassembly 4, and mould adjusting locking subassembly 4 includes second side plate 41, and second side plate 41 lower end is fixedly connected with cold-drawing machine main body 1, and the rear end of second side plate 41 is provided with arc slot 42, and the front end of arc slot 42 is provided with second opening slot 414, and second opening slot 414 is communicated with first opening slot 413 set up on second side plate 41, and the inside of arc slot 42 is provided with rotary round plate 44, and rotary round plate 44 surface is fixedly connected with follow-up shaft 46, and rotary round plate 44 surface is provided with a plurality of circularly distributed mould body 47, and the outer end of rotary round plate 44 is provided with a plurality of circularly distributed locking holes 45, and every locking hole 45 corresponds mould body 47, and the inner wall of first opening slot 413 is fixedly connected with spring 415, and the end away from second opening slot 414 of spring 415 is fixedly connected with locking column 416, and locking column 416 corresponds locking hole 45, and the end close to spring 415 of locking column 416 is fixedly connected with pull-out column 410.

[0024] In the embodiment, the outer end of the follow-up shaft 46 is fixedly connected with a rotating gear 48, the rear end of the rotating gear 48 is engagedly connected with a moving rack 49, the lower end of the moving rack 49 is fixedly connected with the output end of the electric push rod 411, the lower end of the electric push rod 411 is fixedly connected with a supporting plate 412, and the inner end of the supporting plate 412 is fixedly connected with the second side plate 41.

[0025] Specifically, the electric push rod 411 is powered by an external power supply, and at this time, the output end of the electric push rod 411 drives the moving rack 49 to move upwards, thereby driving the rotating gear 48 to rotate counterclockwise.

[0026] In the embodiment, the metal steel pipe support assembly 3 includes a first side plate 31 fixedly connected to the left side of the upper end of the cold-drawing machine main body 1, a first through hole 32 is formed on the surface of the first side plate 31, a metal steel pipe support arc plate 33 is fixedly connected to the end of the first side plate 31 close to the second side plate 41, the metal steel pipe support arc plate 33 is arranged at the lower part of the first through hole 32, and the first through hole 32 corresponds to the second through hole 43.

[0027] Specifically, the metal steel pipe support assembly 3 can support the metal steel pipe, at this time, the metal steel pipe can pass through the left side of the first through hole 32, and at this time, the metal steel pipe is on the metal steel pipe support arc plate 33, thereby improving the stability of the metal steel pipe during the cold-drawing process.

[0028] In the embodiment, the first opening slot 413 is communicated with the arc slot 42, and the inner diameter size of the first opening slot 413 is greater than the inner diameter size of the second opening slot 414.

[0029] Specifically, it is ensured that the locking column 416 does not interfere when moving in the first opening slot 413.

[0030] In this embodiment, the follow-up shaft 46 penetrates the rotating circular plate 44, and the follow-up shaft 46 penetrates the second side plate 41 at the end away from the metal steel pipe supporting assembly 3. The outer end of the follow-up shaft 46 is rotatably connected to the second side plate 41 through a bearing.

[0031] Specifically, it is ensured that the follow-up shaft 46 does not interfere with the second side plate 41.

[0032] In this embodiment, the second through hole 43 is provided on the surface of the second side plate 41, and the second through hole 43 corresponds to the mold body 47.

[0033] Specifically, it is ensured that the metal steel pipe can contact the mold body 47 when passing through the second through hole 43.

[0034] In this embodiment, the outer end of the pull-out column 410 is slidably connected to the second opening slot 414, the outer end of the locking column 416 is slidably connected to the first opening slot 413, and the spring 415 is sleeved on the pull-out column 410.

[0035] Specifically, it is ensured that the spring 415 does not interfere with the pull-out column 410.

[0036] In this embodiment, the outer diameter of the locking column 416 matches the inner diameter of the locking hole 45, the end of the locking column 416 away from the pull-out column 410 is rounded, and the inner end of the locking hole 45 is rounded.

[0037] Specifically, it is ensured that the locking column 416 does not interfere with each other when contacting the rotating circular plate 44.

[0038] Working principle: when supporting the metal steel pipe, the metal steel pipe can pass through the first through hole 32 from the left side at this time, the metal steel pipe at this time is on the metal steel pipe supporting arc plate 33, the stability of the metal steel pipe in the cold drawing process is improved, when the angle adjusting action of different mold bodies 47 needs to be adjusted, the electric push rod 411 can be powered by external power supply at this time, the output end of the electric push rod 411 drives the moving rack 49 to move upwards at this time, the moving rack 49 drives the rotating gear 48 to rotate counterclockwise at this time, the rotating gear 48 drives the follow-up shaft 46 to rotate and drives the rotating circular plate 44 to rotate, in the counterclockwise rotation process of the rotating circular plate 44, the locking column 416 is close to one end of the rotating circular plate 44 and always abuts against the outer end of the rotating circular plate 44, when the locking column 416 is aligned with the locking hole 45, the spring 415 has the tendency to restore the original length at this time, the spring 415 drives the locking column 416 to insert into the locking hole 45, the utility model realizes the angle adjusting action of different mold bodies 47 conveniently, and the cold drawing efficiency of the metal steel pipe is improved.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A locking mechanism for a cold drawing machine, comprising a cold drawing machine body (1), characterized in that: Each corner of the lower end of the cold drawing machine body (1) is fixedly connected to a support base (2). A metal steel pipe support assembly (3) is provided on the upper left side of the cold drawing machine body (1). A mold adjustment and locking assembly (4) is provided on the upper right side of the cold drawing machine body (1). The mold adjustment and locking assembly (4) includes a second side plate (41). The lower end of the second side plate (41) is fixedly connected to the cold drawing machine body (1). An arc groove (42) is provided at the rear end of the second side plate (41). A second opening groove (414) is provided at the front end of the arc groove (42). The second opening groove (414) is connected to a first opening groove (413) opened on the second side plate (41). A rotating part is provided in the arc groove (42). A rotating circular plate (44) is provided with a follower shaft (46) fixedly connected to its surface. The rotating circular plate (44) is provided with a plurality of mold bodies (47) arranged in a circular pattern. The outer end of the rotating circular plate (44) is provided with a plurality of locking holes (45) arranged in a circular pattern. Each locking hole (45) corresponds to a mold body (47). A spring (415) is fixedly connected to the inner wall of the first opening groove (413). A locking pin (416) is fixedly connected to the end of the spring (415) away from the second opening groove (414). The locking pin (416) corresponds to the locking hole (45). A pull-out pin (410) is fixedly connected to the end of the locking pin (416) near the spring (415).

2. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The outer end of the follower shaft (46) is fixedly connected to a rotating gear (48), and the rear end of the rotating gear (48) is meshed with a movable rack (49). The lower end of the movable rack (49) is fixedly connected to the output end of an electric push rod (411), and the lower end of the electric push rod (411) is fixedly connected to a support plate (412). The inner end of the support plate (412) is fixedly connected to a second side plate (41).

3. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The metal pipe support assembly (3) includes a first side plate (31) fixedly connected to the upper left side of the cold drawing machine body (1). A first through hole (32) is provided on the surface of the first side plate (31). A metal pipe support arc plate (33) is fixedly connected to one end of the first side plate (31) near the second side plate (41). The metal pipe support arc plate (33) is located below the first through hole (32), and the first through hole (32) corresponds to the second through hole (43).

4. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The first opening groove (413) is connected to the arc groove (42), and the inner diameter of the first opening groove (413) is larger than the inner diameter of the second opening groove (414).

5. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The follower shaft (46) passes through the rotating circular plate (44), and the end of the follower shaft (46) away from the metal steel pipe support assembly (3) passes through the second side plate (41). The outer end of the follower shaft (46) is rotatably connected to the second side plate (41) through a bearing.

6. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The second side plate (41) has a second through hole (43) on its surface, and the second through hole (43) is provided on the mold body (47).

7. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The outer end of the pull-out post (410) is slidably connected to the second opening groove (414), the outer end of the locking post (416) is slidably connected to the first opening groove (413), and the spring (415) is sleeved on the pull-out post (410).

8. The locking mechanism of a cold drawing machine according to claim 1, characterized in that: The outer diameter of the locking pin (416) is matched with the inner diameter of the locking hole (45). The end of the locking pin (416) away from the pull-out pin (410) is rounded, and the inner end of the locking hole (45) is rounded.

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