CN210754924U

CN210754924U - Cold forging extrusion tungsten steel die

Info

Publication number: CN210754924U
Application number: CN201921821023.3U
Authority: CN
Inventors: 王正勇
Original assignee: Chongqing Guangrui Mould Manufacturing Co Ltd
Current assignee: Chongqing Guangrui Mould Manufacturing Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-16
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a cold forging extrusion tungsten steel die, the die comprises a die body, the upper end of mould body is equipped with the die cavity, the interior bottom of die cavity is equipped with the recess, sealed sliding connection has first roof in the recess, this internal cavity that is equipped with of mould, be equipped with in the cavity and be used for carrying out ejecting ejection mechanism to first roof, be equipped with two ejection grooves on the die cavity inside wall, two equal sealed sliding connection has the second roof in the ejection groove, be equipped with in the cavity and be used for carrying out reciprocal ejecting reciprocating mechanism to two second roofs, be connected through the drive mechanism transmission between reciprocating mechanism and the ejection mechanism. The utility model discloses the yield of work piece can be improved.

Description

Cold forging extrusion tungsten steel die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a cold forging extrusion tungsten steel die.

Background

The tungsten steel die is dozens of times or even dozens of times as long as the service life of the steel die, has high hardness, high strength, corrosion resistance, high temperature resistance and small expansion coefficient, and is generally tungsten steel adopting tungsten and cobalt.

When the existing cold forging extrusion tungsten steel is molded and taken out, the tungsten steel is difficult to take out, and when the tungsten steel is taken out, the tungsten steel is easy to damage a workpiece, so that the yield of the workpiece is reduced.

Therefore, we propose a cold forging extrusion tungsten steel female die to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the workpiece is not convenient to take out from the die in the prior art, and providing a cold forging extrusion tungsten steel die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cold forging extrusion tungsten steel die, includes the mould body, the upper end of mould body is equipped with the die cavity, the interior bottom of die cavity is equipped with the recess, sealed sliding connection has first roof in the recess, this internal cavity that is equipped with of mould, be equipped with in the cavity and be used for carrying out ejecting ejection mechanism to first roof, be equipped with two liftout grooves on the die cavity inside wall, two equal sealed sliding connection has the second roof in the liftout groove, be equipped with in the cavity and be used for carrying out reciprocal ejecting reciprocating mechanism to two second roofs, be connected through the drive mechanism transmission between reciprocating mechanism and the ejection mechanism.

Preferably, ejection mechanism include with cavity inside wall fixed connection's motor, the driving shaft platform thread bush of motor is equipped with the screw sleeve, the upper end of screw sleeve slides and runs through the mould body and extend to in the recess, the upper end of screw sleeve and the lower extreme fixed connection of first roof.

Preferably, the reciprocating mechanism comprises two threaded rods, the two threaded rods are respectively in threaded connection with one ends, close to the bottom of the ejection grooves, of the two second top plates, the two threaded rods are respectively and coaxially and fixedly connected with gears, the two ejection grooves are respectively and slidably connected with racks, the two racks are respectively meshed with the two gears, a crankshaft is rotatably connected in the cavity, two rotating sleeves are rotatably sleeved on the crankshaft, the lower ends of the two racks respectively slide to penetrate through the die body and extend into the cavity, the lower ends of the two racks are respectively and rotatably connected with the deflection rods, the lower ends of the two deflection rods are respectively and fixedly connected with the two rotating sleeves, a plurality of bearing seats are rotatably sleeved outside the crankshaft, and the bearing seats are respectively and fixedly connected with the inner side wall of the cavity.

Preferably, the bearing seat comprises an inner ring and an outer ring, the inner ring is coaxially and fixedly connected with the crankshaft, the outer ring is fixedly connected with the inner side wall of the cavity, and the inner ring is rotatably connected with the outer ring.

Preferably, the transmission mechanism comprises a worm wheel and a worm which are meshed with each other, the worm wheel is coaxially and fixedly connected with the crankshaft, and the worm is coaxially and fixedly connected with a driving shaft of the motor.

Preferably, one end of the first top plate and one end of the second top plate close to the die cavity are matched with the inner wall of the die cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up ejection mechanism and reciprocating mechanism, through opening the motor, the drive shaft of motor drives the screw sleeve and goes up and down, the screw sleeve drives first roof and goes up and down, can tentatively ejecting with fashioned work piece, meanwhile, the drive shaft of motor drives the bent axle and rotates, the bent axle drives two deflection poles and deflects, two deflection poles drive the rack and go up and down, the rack drives the rotation of second threaded rod, the second threaded rod drives the removal of second roof, can carry out the secondary ejecting to the work piece, thereby be convenient for take out the work piece from the die, can not cause the damage to the work piece when taking out, improve the yield of work piece.

The utility model discloses the yield of work piece can be improved.

Drawings

FIG. 1 is a perspective view of the front structure of a cold forging extrusion tungsten steel female die provided by the present invention;

fig. 2 is a perspective view of a top view structure of the cold forging extrusion tungsten steel female die provided by the utility model.

In the figure: the die comprises a die body 1, a die cavity 2, a groove 3, a first top plate 4, a cavity 5, an ejection mechanism 6, an ejection groove 7, a second top plate 8, a reciprocating mechanism 9, a transmission mechanism 10, a motor 11, a threaded sleeve 12, a threaded rod 13, a gear 14, a rack 15, a crankshaft 16, a rotating sleeve 17, a bearing seat 18, a worm gear 19, a worm 20 and a deflection rod 21.

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.

Referring to fig. 1-2, a cold forging extrusion tungsten steel die, including mould body 1, the upper end of mould body 1 is equipped with die cavity 2, the interior bottom of die cavity 2 is equipped with recess 3, sealed sliding connection has first roof 4 in the recess 3, be equipped with cavity 5 in the mould body 1, be equipped with in the cavity 5 and be used for carrying out ejecting ejection mechanism 6 to first roof 4, it is worth mentioning that ejection mechanism 6 includes motor 11 with 5 inside wall fixed connection of cavity, it needs to explain that, motor 11 can adopt the model to be PLX's step motor, and in external power source electric connection, for prior art, do not specifically do not describe repeatedly.

In the utility model, a threaded sleeve 12 is sleeved on a driving shaft platform thread of a motor 11, the upper end of the threaded sleeve 12 penetrates through a die body 1 in a sliding manner and extends into a groove 3, the upper end of the threaded sleeve 12 is fixedly connected with the lower end of a first top plate 4, two ejection grooves 7 are arranged on the inner side wall of a die cavity 2, a second top plate 8 is connected in the two ejection grooves 7 in a sliding manner in a sealing manner, it needs to be explained that one end of the first top plate 4 and the second top plate 8 close to the die cavity 2 are matched with the inner wall of the die cavity 2, a reciprocating mechanism 9 for ejecting the two second top plates 8 in a reciprocating manner is arranged in the cavity 5, the reciprocating mechanism 9 comprises two threaded rods 13, the two threaded rods 13 are respectively in threaded connection with one end of the two second top plates 8 close to the inner bottom of the ejection grooves 7, gears 14 are coaxially and fixedly connected outside the two threaded rods 13, racks 15 are connected in the two, the two racks 15 are respectively meshed with the two gears 14, a crankshaft 16 is rotatably connected in the cavity 5, and two rotating sleeves 17 are rotatably sleeved on the crankshaft 16.

The utility model discloses in, the lower extreme of two racks 15 all slides and runs through mould body 1 and extend to in the cavity 5, the lower extreme of two racks 15 all rotates and is connected with deflection pole 21, the lower extreme of two deflection poles 21 respectively with two rotating sleeve 17 fixed connection, 16 outer rotating sleeve of bent axle is equipped with a plurality of bearing frames 18, it is further, bearing frame 18 includes inner circle and outer lane, inner circle and 16 coaxial fixed connection of bent axle, outer lane and 5 inside wall fixed connection of cavity, the inner circle rotates with the outer lane to be connected, a plurality of bearing frames 18 all with 5 inside wall fixed connection of cavity, be connected through drive mechanism 10 transmission between reciprocating mechanism 9 and the ejection mechanism 6, it needs to notice, drive mechanism 10 includes intermeshing's worm wheel 19 and worm 20, the worm wheel 19 and the 16 coaxial fixed connection of bent axle, worm 20 and motor 11's the coaxial fixed connection of drive shaft.

When the utility model is used, the motor 11 is started, the driving shaft of the motor 11 drives the threaded sleeve 12 to lift, the threaded sleeve 12 drives the first top plate 4 to lift, and the workpiece can be preliminarily ejected; meanwhile, a driving shaft of the motor 11 drives the worm 20 to rotate, the worm 20 drives the worm wheel 19 to rotate, the worm wheel 19 drives the crankshaft 16 to rotate, the crankshaft 16 drives the deflection rod 21 to deflect, the deflection rod 21 drives the rack 15 to lift, the rack 15 drives the gear 14 to rotate, the gear 14 drives the threaded rod 13 to rotate, and the threaded rod 13 drives the second top plate 8 to move, so that the workpiece can be ejected secondarily.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cold forging extrusion tungsten steel concave die comprises a die body (1) and is characterized in that, the upper end of the die body (1) is provided with a die cavity (2), the inner bottom of the die cavity (2) is provided with a groove (3), a first top plate (4) is connected in the groove (3) in a sealing and sliding way, a cavity (5) is arranged in the die body (1), an ejection mechanism (6) for ejecting the first top plate (4) is arranged in the cavity (5), two ejecting grooves (7) are arranged on the inner side wall of the die cavity (2), a second top plate (8) is hermetically and slidably connected in the two ejecting grooves (7), a reciprocating mechanism (9) for ejecting the two second top plates (8) in a reciprocating way is arranged in the cavity (5), the reciprocating mechanism (9) is in transmission connection with the ejection mechanism (6) through a transmission mechanism (10).

2. The die for cold forging extrusion of tungsten steel according to claim 1, wherein the ejection mechanism (6) comprises a motor (11) fixedly connected with the inner side wall of the cavity (5), a threaded sleeve (12) is sleeved on a driving shaft table thread of the motor (11), the upper end of the threaded sleeve (12) penetrates through the die body (1) in a sliding mode and extends into the groove (3), and the upper end of the threaded sleeve (12) is fixedly connected with the lower end of the first top plate (4).

3. The cold forging extrusion tungsten steel female die according to claim 2, wherein the reciprocating mechanism (9) comprises two threaded rods (13), the two threaded rods (13) are externally and respectively in threaded connection with one ends, close to the inner bottoms of the ejection grooves (7), of the two second top plates (8), gears (14) are coaxially and fixedly connected with the two threaded rods (13), racks (15) are respectively and slidably connected into the two ejection grooves (7), the two racks (15) are respectively meshed with the two gears (14), a crankshaft (16) is rotatably connected into the cavity (5), two rotating sleeves (17) are rotatably sleeved on the crankshaft (16), the lower ends of the two racks (15) are respectively and slidably penetrated through the die body (1) and extend into the cavity (5), and deflection rods (21) are rotatably connected with the lower ends of the two racks (15), the lower ends of the two deflection rods (21) are respectively fixedly connected with the two rotating sleeves (17), a plurality of bearing seats (18) are rotatably sleeved outside the crankshaft (16), and the plurality of bearing seats (18) are fixedly connected with the inner side wall of the cavity (5).

4. A cold forging extrusion tungsten steel female die according to claim 3, wherein the bearing seat (18) comprises an inner ring and an outer ring, the inner ring is coaxially and fixedly connected with the crankshaft (16), the outer ring is fixedly connected with the inner side wall of the cavity (5), and the inner ring is rotatably connected with the outer ring.

5. A cold forging extrusion tungsten steel female die according to claim 3, wherein the transmission mechanism (10) comprises a worm wheel (19) and a worm (20) which are meshed with each other, the worm wheel (19) is coaxially and fixedly connected with the crankshaft (16), and the worm (20) is coaxially and fixedly connected with a driving shaft of the motor (11).

6. A cold forging extrusion tungsten steel female die according to claim 1, wherein one end of the first top plate (4) and one end of the second top plate (8) close to the die cavity (2) are matched with the inner wall of the die cavity (2).