CN216858125U

CN216858125U - Detachable die for rounding shaft type forge pieces

Info

Publication number: CN216858125U
Application number: CN202220441923.0U
Authority: CN
Inventors: 刁海美
Original assignee: Changzhou Changchao Mould Co ltd
Current assignee: Changzhou Changchao Mould Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-01
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a detachable die for rounding shaft forgings, which relates to the field of forging equipment for shaft forgings and comprises: an upper die; the arc module comprises a pre-fixing mechanism of an L-shaped block. According to the utility model, the arc-shaped module and the upper die are placed in a staggered manner by arranging the pre-fixing mechanism, then the L-shaped block is inserted into the clamping groove, so that the trapezoidal block is contracted into the L-shaped block under the action of extrusion force, then the arc-shaped module is pushed to be aligned with the upper die, and meanwhile, the trapezoidal block is aligned with the first mounting groove, so that the trapezoidal block is reset and inserted into the first mounting groove, thereby realizing the pre-fixing function of the arc-shaped module and the upper die, rotating the first spherical rod to be in contact with the trapezoidal block and pushing the first spherical rod into the accommodating groove on the inner wall of the L-shaped block, facilitating the worker to detach and replace the arc-shaped module, realizing the pre-fixing function of the arc-shaped module through the cooperation of the plurality of parts, and facilitating the work to replace the damaged arc-shaped module.

Description

Detachable die for rounding shaft forgings

Technical Field

The utility model relates to the field of forging equipment for shaft forgings, in particular to a detachable die for rounding the shaft forgings.

Background

In the existing forging process, a shaping die (a ram) is generally used for roughly processing a shaft forging in a round-falling mode, namely, the forging is placed between an upper die and a lower die during processing, the lower die is fixed and used for supporting the forging, the upper die performs circular impact on the forging under the action of a forging machine, the shaft forging is attached to the arc shape of the shaping part of the upper die and the lower die under the action of impact force, the shaft forging rotates or rotates at a fixed angle during forging so as to shape the circular section of the shaft forging, the round-falling mode is called as round, and the die used for corresponding forging is called as the ram.

However, when the circular-arc-shaped shaping parts of the upper and lower dies are subjected to circular forging, the circular-arc-shaped shaping parts are the main force-bearing parts and the working parts, and the parts are most contacted with the forged piece, so that the parts are most easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the damaged module can not be replaced, a detachable die for rounding shaft forgings is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a removable mold that is used for axle type forging to fall circle includes:

an upper die;

the arc module is arranged below the upper die;

the pre-fixing mechanism comprises an L-shaped block, is distributed between the arc module and the pre-fixing mechanism, penetrates through the inner wall of the upper die, and is used for assisting a worker to pre-fix the arc module and the upper die;

and the auxiliary mechanism is distributed on the inner wall of the arc-shaped module and the inner wall of the L-shaped block, penetrates through the upper end and the lower end of the L-shaped block and is used for assisting a worker to disassemble and assemble the L-shaped block and the arc-shaped module.

As a still further scheme of the utility model: the pre-fixing mechanism comprises a first spherical rod, a trapezoidal block, an L-shaped block and a clamping groove, the L-shaped block is arranged between the arc-shaped module and the upper die, the trapezoidal block is connected to the inner wall of the L-shaped block in a sliding mode, one end of the trapezoidal block penetrates through the top end of the L-shaped block, the first spherical rod is connected to the inner wall of the upper die in a rotating mode, and the clamping groove is formed in the inner side bottom end of the upper die.

As a still further scheme of the utility model: the auxiliary mechanism comprises a rotating rod, a torsion spring, a second spherical rod, an arc-shaped block and an arc-shaped groove, the rotating rod is rotatably connected to the inner wall of the L-shaped block, two ends of the rotating rod are respectively penetrated through the L-shaped block, one end of the torsion spring is fixedly connected with the L-shaped block, the other end of the torsion spring is fixedly connected with the rotating rod, the arc-shaped block is fixedly connected to the bottom end of the rotating rod, the second spherical rod is slidably connected to the inner wall of the L-shaped block, one end of the second spherical rod is penetrated through the inner wall of the arc-shaped block, and the arc-shaped groove is formed in the inner wall of the top end of the arc-shaped module.

As a still further scheme of the utility model: the inner wall of the upper die is provided with a first mounting groove communicated with the clamping groove, the first mounting groove is matched with the trapezoidal block, the outer wall of the first spherical rod is provided with threads, the inner wall of the upper die is provided with a thread groove matched with the first spherical rod, and the thread groove is communicated with the first mounting groove.

As a still further scheme of the utility model: the inner wall of L-shaped piece seted up with trapezoidal piece assorted accomodates the groove, the outer wall fixedly connected with stopper of trapezoidal piece, the trapezoidal piece pass through outer wall fixed connection's stopper with accomodate groove sliding connection, the first spring of bottom fixedly connected with of trapezoidal piece, just the one end of first spring with L-shaped piece fixed connection.

As a still further scheme of the utility model: one end of the arc-shaped block is of an inclined plane structure, the inner wall of the arc-shaped block is provided with a fixing hole matched with the second spherical rod, the outer wall of the second spherical rod is fixedly connected with a second spring, and one end of the second spring is fixedly connected with the L-shaped block.

As a still further scheme of the utility model: the top of arc module seted up with second ball-shaped pole assorted through-hole, just the through-hole with the arc wall communicates with each other, the top of arc module seted up with arc piece assorted second mounting groove, just the second mounting groove with the arc wall communicates with each other.

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

1. through setting up the pre-fixing mechanism, carry on the misplacing with the upper die arc module, then insert the L-shaped piece into the draw-in groove, make the trapezoid receive the extrusion force and shrink to the inside of L-shaped piece, promote the arc module to move to and align with the upper die subsequently, the trapezoid aligns with first mounting groove at the same time, make the trapezoid reset and insert in the first mounting groove, thus realize the function that the arc module presets with the upper die, rotate the first ball-shaped rod to contact with trapezoid, push it into the L-shaped piece inner wall and accomodate the groove, facilitate the staff to dismantle the arc module and change, have realized the function of pre-fixing to the arc module through the cooperation of the above-mentioned multiunit part, facilitate the work and change the arc module damaged;

2. through the arrangement of the auxiliary mechanism, the second spherical rod and the arc-shaped block are respectively inserted into the arc-shaped groove through the through hole at the top end of the arc-shaped module and the second mounting groove, then the rotating rod rotates to drive the arc-shaped block to rotate in the arc-shaped groove, when one end inclined plane of the arc-shaped block is contacted with the spherical surface at the bottom end of the second spherical rod, the second spherical rod is pushed to extrude the second spring to move upwards, when the inner wall of the arc-shaped block is fixedly moved to be positioned below the second spherical rod, the second spring is not subjected to external extrusion force to drive the second spherical rod to reset, so that the second spherical rod is inserted into the fixing hole at the inner wall of the arc-shaped block, the L-shaped block and the arc-shaped module are fixed, the steps are reversely operated, the L-shaped block and the arc-shaped module are convenient to be disassembled by a worker, and the disassembling function of the L-shaped block and the arc-shaped module is realized through the matching of the plurality of parts, thereby realizing the function of recycling the L-shaped block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the upper mold and arcuate mold block of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic view of a first ball-shaped shaft of the present invention;

fig. 5 is a schematic view of a second ball bar structure of the present invention.

In the figure: 1. an upper die; 2. an arc module; 3. a pre-fixing mechanism; 301. a first spherical rod; 302. a trapezoidal block; 303. an L-shaped block; 304. a card slot; 4. an auxiliary mechanism; 401. rotating the rod; 402. a torsion spring; 403. a second spherical rod; 404. an arc-shaped block; 405. an arc-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a detachable mold for rounding a shaft forging includes:

an upper mold 1;

the arc module 2 is arranged below the upper die 1;

the pre-fixing mechanism 3 comprising an L-shaped block 303 is distributed between the arc module 2 and the pre-fixing mechanism 3, penetrates through the inner wall of the upper die 1 and is used for assisting a worker to pre-fix the arc module 2 and the upper die 1;

the auxiliary mechanism 4 is distributed on the inner wall of the arc-shaped module 2 and the inner wall of the L-shaped block 303, and penetrates through the upper end and the lower end of the L-shaped block 303, so that an auxiliary worker can disassemble and assemble the L-shaped block 303 and the arc-shaped module 2.

In this embodiment: arc module 2 outer wall with go up 1 inner wall of mould and seted up the same screw hole, be connected L-shaped piece 303 and arc module 2 through complementary unit 4, then through fixing mechanism 3 with arc module 2 and last mould 1 in advance fixed in advance, make 2 outer walls of arc module align with 1 inner wall screw hole of last mould, make things convenient for the staff to fix last mould 1 and arc module 2 through external bolt, the bed die is provided with the part the same with last mould 1 simultaneously.

Please refer to fig. 1-4, the pre-fixing mechanism 3 includes a first spherical rod 301, a trapezoid block 302, an L-shaped block 303 and a slot 304, the L-shaped block 303 is disposed between the arc module 2 and the upper mold 1, the trapezoid block 302 is slidably connected to an inner wall of the L-shaped block 303, and one end of the trapezoid block 302 penetrates through a top end of the L-shaped block 303, the first spherical rod 301 is rotatably connected to an inner wall of the upper mold 1, and the slot 304 is disposed at a bottom end of an inner side of the upper mold 1.

In this embodiment: the arc-shaped module 2 and the upper die 1 are placed in a staggered mode, then the L-shaped block 303 is inserted into the clamping groove 304, when the trapezoid block 302 is in contact with the upper die 1, a first spring is extruded by extrusion force to shrink into the accommodating groove in the L-shaped block 303, when the L-shaped block 303 is completely inserted into the clamping groove 304, the arc-shaped module 2 is pushed to drive the L-shaped block 303 to move towards one end, when the arc-shaped module 2 is aligned with the upper die 1, the trapezoid block 302 moves to the position aligned with the first mounting groove in the inner wall of the upper die 1, the first spring is not pushed by external extrusion force to reset the trapezoid block 302 any more, the trapezoid block 302 is inserted into the first mounting groove, the function of pre-fixing the arc-shaped module 2 and the upper die 1 is achieved, when the arc-shaped module 2 is required to be separated from the upper die 1, the first spherical rod 301 is rotated to enable the first spherical rod 301 to approach the inclined plane of the trapezoid block 302, and the trapezoid block 302 is extruded into the accommodating groove in the inner wall of the L-shaped block 303 by the first spherical rod 301, make L-shaped piece 303 no longer by fixed, make things convenient for the staff to dismantle the arc module and get off and change, realized through the cooperation of above multiunit part that the arc module 2 carries out the function of fixing in advance, make things convenient for work to change the arc module 2 of damage.

Please refer to fig. 1, 2, 3, and 5, the auxiliary mechanism 4 includes a rotation rod 401, a torsion spring 402, a second spherical rod 403, an arc block 404 and an arc groove 405, the rotation rod 401 is rotatably connected to the inner wall of the L block 303, and two ends of the rotation rod 401 respectively penetrate through the L block 303, one end of the torsion spring 402 is fixedly connected to the L block 303, and the other end of the torsion spring is fixedly connected to the rotation rod 401, the arc block 404 is fixedly connected to the bottom end of the rotation rod 401, the second spherical rod 403 is slidably connected to the inner wall of the L block 303, and one end of the second spherical rod penetrates through the inner wall of the arc block 404, and the arc groove 405 is disposed on the inner wall of the top end of the arc module 2.

In this embodiment: when the L-shaped block 303 and the arc-shaped block 2 need to be installed, the second spherical rod 403 is pulled to extrude the second spring to move upward, the bottom end of the second spherical rod 403 is pulled out from the inner wall fixing hole of the arc-shaped block 404, so that the torsion spring 402 is not subjected to external force any more, the arc-shaped block 404 is driven to reset by the rotating rod 401, then the second spherical rod 403 and the arc-shaped block 404 are respectively inserted into the arc-shaped groove 405 through the through hole at the top end of the arc-shaped block 2 and the second installation groove, then the rotating rod 401 rotates to drive the arc-shaped block 404 to rotate in the arc-shaped groove 405, when the inclined plane at one end of the arc-shaped block 404 is contacted with the spherical bottom end surface of the second spherical rod 403, the second spherical rod 403 is pushed to extrude the second spring to move upward, when the inner wall of the arc-shaped block 404 is fixedly moved to be positioned below the second spherical rod 403, the second spring is not subjected to external extrusion force any more to drive the second spherical rod 403 to reset, make second ball-shaped pole 403 insert in the arc piece 404 inner wall fixed orifices, fix L-shaped piece 303 and arc module 2, carry out reverse operation with above-mentioned step and make things convenient for the staff to dismantle L-shaped piece 303 and arc module 2, realized L-shaped piece 303 and arc module 2 through the cooperation of above multiunit part and carried out the function of dismouting to this realization carries out reuse's function to L-shaped piece 303.

Please refer to fig. 1-4, the inner wall of the upper mold 1 is formed with a first mounting groove communicated with the clamping groove 304, the first mounting groove is matched with the trapezoidal block 302, the outer wall of the first spherical rod 301 is provided with a thread, the inner wall of the upper mold 1 is formed with a thread groove matched with the first spherical rod 301, and the thread groove is communicated with the first mounting groove.

In this embodiment: the trapezoidal piece 302 of being convenient for inserts in first mounting groove, fixes L-shaped piece 303 and last mould, rotates first ball-shaped rod 301, makes first ball-shaped rod 301 be close to trapezoidal piece 302 inclined plane, extrudees trapezoidal piece 302 to the inner wall of L-shaped piece 303 through first ball-shaped rod 301 and accomodates the groove.

Please refer to fig. 1 and fig. 3 heavily, the inner wall of the L-shaped block 303 is provided with a storage groove matched with the trapezoidal block 302, the outer wall of the trapezoidal block 302 is fixedly connected with a limiting block, the trapezoidal block 302 is slidably connected with the storage groove through the limiting block fixedly connected with the outer wall, the bottom end of the trapezoidal block 302 is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the L-shaped block 303.

In this embodiment: inside inserting draw-in groove 304 with L shape piece 303, when trapezoidal piece 302 and last mould 1 contact, receive extrusion force extrusion first spring and contract to the inside groove of accomodating of L shape piece 303, through the stopper of trapezoidal piece 302 outer wall fixed connection, avoid trapezoidal piece 302 to take place the skew at the in-process that removes.

Please refer to the drawing, one end of the arc block 404 is set to be an inclined plane structure, the inner wall of the arc block 404 is provided with a fixing hole matched with the second spherical rod 403, the outer wall of the second spherical rod 403 is fixedly connected with a second spring, one end of the second spring is fixedly connected with the L-shaped block 303, the top end of the arc module 2 is provided with a through hole matched with the second spherical rod 403, the through hole is communicated with the arc groove 405, the top end of the arc module 2 is provided with a second mounting groove matched with the arc block 404, and the second mounting groove is communicated with the arc groove 405.

In this embodiment: be convenient for insert arc groove 405 with second ball-shaped pole 403 and arc piece 404 respectively through arc module 2 top through-hole and second mounting groove inside, at rotatory dwang 401 afterwards, dwang 401 is rotatory to be driven arc piece 404 and is rotated inside arc groove 405, when arc piece 404 one end inclined plane and the spherical face contact in second ball-shaped pole 403 bottom, promote second ball-shaped pole 403 extrusion second spring rebound, when arc piece 404 inner wall fixed move to lieing in second ball-shaped pole 403 below, the second spring no longer receives external extrusion force and drives second ball-shaped pole 403 and reset, make second ball-shaped pole 403 insert in the arc piece 404 inner wall fixed orifices, fix L-shaped piece 303 and arc module 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A removable mold that is used for axle type forging to fall circle, its characterized in that includes:

an upper mold (1);

the arc-shaped module (2), the arc-shaped module (2) is arranged below the upper die (1);

the pre-fixing mechanism (3) comprises an L-shaped block (303), is distributed between the arc module (2) and the pre-fixing mechanism (3), penetrates through the inner wall of the upper die (1), and is used for assisting a worker to pre-fix the arc module (2) and the upper die (1);

the auxiliary mechanisms (4) are distributed on the inner wall of the arc-shaped module (2) and the inner wall of the L-shaped block (303) and penetrate through the upper end and the lower end of the L-shaped block (303) to assist workers in disassembling and assembling the L-shaped block (303) and the arc-shaped module (2).

2. The detachable die for shaft forging rounding according to claim 1, characterized in that the pre-fixing mechanism (3) comprises a first spherical rod (301), a trapezoidal block (302), an L-shaped block (303) and a clamping groove (304), the L-shaped block (303) is arranged between the arc-shaped module (2) and the upper die (1), the trapezoidal block (302) is slidably connected to the inner wall of the L-shaped block (303), one end of the trapezoidal block penetrates through the top end of the L-shaped block (303), the first spherical rod (301) is rotatably connected to the inner wall of the upper die (1), and the clamping groove (304) is arranged at the bottom end of the inner side of the upper die (1).

3. The detachable die for rounding shaft forgings according to claim 2, is characterized in that, the auxiliary mechanism (4) comprises a rotating rod (401), a torsion spring (402), a second spherical rod (403), an arc-shaped block (404) and an arc-shaped groove (405), the rotating rod (401) is rotatably connected to the inner wall of the L-shaped block (303), two ends of the torsion spring (402) respectively penetrate through the L-shaped block (303), one end of the torsion spring is fixedly connected with the L-shaped block (303), the other end of the arc-shaped block is fixedly connected with the rotating rod (401), the arc-shaped block (404) is fixedly connected with the bottom end of the rotating rod (401), the second spherical rod (403) is connected with the inner wall of the L-shaped block (303) in a sliding way, and one end of the arc-shaped block penetrates through the inner wall of the arc-shaped block (404), and the arc-shaped groove (405) is formed in the inner wall of the top end of the arc-shaped module (2).

4. The detachable die for rounding shaft forgings according to claim 2 is characterized in that a first mounting groove communicated with the clamping groove (304) is formed in the inner wall of the upper die (1), the first mounting groove is matched with the trapezoidal block (302), threads are arranged on the outer wall of the first spherical rod (301), a thread groove matched with the first spherical rod (301) is formed in the inner wall of the upper die (1), and the thread groove is communicated with the first mounting groove.

5. The detachable die for rounding shaft-type forgings according to claim 2 is characterized in that the inner wall of the L-shaped block (303) is provided with an accommodating groove matched with the trapezoidal block (302), the outer wall of the trapezoidal block (302) is fixedly connected with a limiting block, the trapezoidal block (302) is slidably connected with the accommodating groove through the limiting block fixedly connected with the outer wall, the bottom end of the trapezoidal block (302) is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the L-shaped block (303).

6. The detachable die for rounding shaft forgings according to claim 3, wherein one end of the arc-shaped block (404) is arranged to be an inclined surface structure, a fixing hole matched with the second spherical rod (403) is formed in the inner wall of the arc-shaped block (404), a second spring is fixedly connected to the outer wall of the second spherical rod (403), and one end of the second spring is fixedly connected with the L-shaped block (303).

7. The detachable die for rounding shaft forgings according to claim 3, wherein a through hole matched with the second spherical rod (403) is formed in the top end of the arc-shaped module (2), the through hole is communicated with the arc-shaped groove (405), a second mounting groove matched with the arc-shaped block (404) is formed in the top end of the arc-shaped module (2), and the second mounting groove is communicated with the arc-shaped groove (405).