CN210966513U

CN210966513U - Bending die for crank arm production

Info

Publication number: CN210966513U
Application number: CN201921837336.8U
Authority: CN
Inventors: 王春苗
Original assignee: Xinchang County Kaijie Machinery Co ltd
Current assignee: Xinchang County Kaijie Machinery Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-10
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a bending die for crank arm production, which comprises an arched bracket, an upper stamping device and a base, wherein one side of the base is fixedly provided with a clamping mechanism, one side of the clamping mechanism is provided with a nut, the other side of the base is provided with a driving device, a stamping die is movably arranged in the base, a bearing is arranged in the stamping die along the axial lead direction, one end of the bearing penetrates through a U-shaped groove on one side wall of the base and the clamping mechanism and is movably connected with the nut on one side of the clamping mechanism, the other end of the bearing penetrates through a U-shaped groove on the other side wall of the base and extends to the outer side of the base, the stamping die of the utility model adopts a multi-angle die, the matching of a limiting rod and a limiting hole ensures that multi-angle replacement can be realized only by rotating the stamping die, and a punch is, stamping die and base swing joint for the mould can make things convenient for the quick-witted change of disassembling.

Description

Bending die for crank arm production

Technical Field

The utility model relates to a turning arm production is with mould of bending belongs to mechanical technical field.

Background

The crank arm is one of the common parts on the machine equipment and is connected with other parts through screws to realize the functions of joint movement and the like. To the less, higher connecting lever of precision of volume, the bender can't process, generally adopts stamping die to process, but the mould angle of bending all is fixed usually, and a pair mould can only process the angle of bending, need process the mould of different angle of bending to the more condition of angle of bending kind, leads to the mould cost higher, is not suitable for the processing of small batch. Most of moulds are all fixed with the base is integrative, when needing to carry out different angles and bend, need have other board to go on, to the enterprise, the cost just more than a lot, but this needs research and development a section multi-angle to bend, the convenient mould of bending of dismantling again.

SUMMERY OF THE UTILITY MODEL

The utility model has the advantages of: the utility model discloses a stamping die adopts multi-angle mould, can realize the punching press of different angles on a machine, and the cooperation of gag lever post and spacing hole makes as long as just can realize the multi-angle through rotating stamping die and change, drift and upper punch device's bottom swing joint, stamping die and base swing joint for the mould can conveniently be dismantled the quick-witted change, has significantly reduced the cost of purchasing a plurality of moulds of bending.

The purpose of the utility model can be achieved by adopting the following technical scheme:

a bending die for crank arm production comprises an arch support, an upper punching device and a base, wherein the upper punching device is movably arranged on the arch support, the base is arranged in the arched bracket, U-shaped grooves are arranged on two side walls of the base, one side of the base is fixedly provided with a clamping mechanism, one side of the clamping mechanism is provided with a screw cap, the other side of the base is provided with a driving device, a stamping die is movably arranged in the base, a bearing is arranged in the stamping die along the axial lead direction, one end of the bearing penetrates through the U-shaped groove on one side wall of the base and the clamping mechanism and is movably connected with a screw cap on one side of the clamping mechanism, the other end of bearing runs through U type groove on the another lateral wall of base and extends to the base outside, the driven wheel is installed to the other end of bearing.

Preferably, the driving device comprises a motor, a driving wheel is installed at the output end of the motor, and the driving wheel and the driven wheel are connected through a belt.

Preferably, the clamping mechanism comprises a first buckle, a second buckle and a fixed column, one end of the first buckle is hinged to the fixed column, the other end of the first buckle is provided with a lock hole, one end of the second buckle is hinged to the fixed column, the other end of the second buckle is fixedly provided with a lock seat, one side of the fixed column and one side of the lock seat are fixedly connected with one side wall of the base, an internal thread is formed in the lock seat, and the first buckle and the second buckle are fixed through bolts matched with the internal thread of the lock seat.

Preferably, a plurality of spacing holes have been seted up along the axial lead direction in the stamping die, spacing hole runs through stamping die's both sides portion, the base both sides be equipped with a plurality of gag lever posts of spacing hole assorted, a plurality of V type grooves have been seted up on stamping die, stamping die's V type groove is 30 °, 45 °, 60 °, 90 °, 120 °, 135 °, 150 and circular.

Preferably, the upper punching device is a double hydraulic device and is respectively fixed on two sides of the top of the arch support, a punch is movably mounted at the bottom of the upper punching device, and the axial lead direction of the punch is consistent with that of the V-shaped groove of the punching die.

Preferably, the punch is a knife section mould, a U section mould and an R section mould.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of the stamping die of the present invention;

FIG. 3 is a right side view of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

In the figure: 1-arched support, 2-base, 3-upper stamping device, 4-punch, 5-stamping die, 6-clamping mechanism, 7-limiting hole, 8-bearing, 9-first buckle, 10-second buckle, 11-fixed column, 12-lock seat, 13-nut, 14-limiting rod, 15-driven wheel, 16-motor, 17-driving wheel, 18-driving device and 19-lock hole.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-4, a bending die for crank arm production comprises an arched support 1, an upper stamping device 3 and a base 2, wherein the upper stamping device 3 is movably mounted on the arched support 1, the base 2 is mounted in the arched support 1, two side walls of the base 2 are provided with U-shaped grooves, one side of the base 2 is fixedly provided with a clamping mechanism 6, one side of the clamping mechanism 6 is provided with a nut 13, the other side of the base is provided with a driving device 18, the base 2 is movably mounted with a stamping die 5, the stamping die 5 is internally provided with a bearing 8 along the axial lead direction, one end of the bearing 8 penetrates through the U-shaped groove on one side wall of the base 2 and the clamping mechanism 6 and is movably connected with the nut 13 on one side of the clamping mechanism 6, the other end of the bearing 8 penetrates through the U-shaped groove on the other side wall of the base 2, internally mounted has the stamping die 5 card of bearing 8 inside base 2, and nut 13 and block mechanism 6 are installed to the one end of bearing 8 and carry on spacingly to stamping die 5, and the drive arrangement 18 of the bearing 8 other end makes stamping die 5 rotate to accomplish multi-angle mold's conversion.

In this embodiment, the driving device 18 includes the motor 16, and the output of the motor 16 is installed with the drive wheel 17, and the drive wheel 17 is connected through the belt with the follow driving wheel 15, and the motor 16 drives the stamping die 5 to rotate, has also reduced the emergence of incident when lightening staff's manual rotation burden.

In this embodiment, block mechanism 6 includes first buckle 9, second buckle 10 and fixed column 11, the one end of first buckle 9 is articulated with fixed column 11, lockhole 19 has been seted up to the other end of first buckle 9, the one end of second buckle 10 is articulated with fixed column 11, the other end of second buckle 10 is fixed with lock seat 12, one side of fixed column 11 and lock seat 12 all with a lateral wall fixed connection of base 2, the internal thread has been seted up in lock seat 12, first buckle 9 and second buckle 10 are fixed through the bolt with lock seat 12 internal thread assorted, first buckle 9 and second buckle 10 are gathered together, fix lockhole 19 and lock seat 12 through the bolt, install the one end at bearing 8 with nut 13, make bearing 8 can not break away from base 2 when driving stamping die 5 to rotate.

In this embodiment, a plurality of spacing holes 7 have been seted up along the axial lead direction in stamping die 5, and spacing hole 7 runs through stamping die 5's both sides portion, 2 both sides of base be equipped with a plurality of gag lever posts 14 of spacing hole 7 assorted, a plurality of V type grooves have been seted up on stamping die 5, stamping die 5's V type groove is 30 °, 45 °, 60 °, 90 °, 120 °, 135 °, 150 ° and circular, and gag lever post 14 and spacing hole 7's cooperation makes as long as just can realize the multi-angle through rotating stamping die 5 and change, is equipped with the V type groove of multi-angle on stamping die 5, the different punching press demands of bending of being convenient for.

In this embodiment, upper punch device 3 is two hydraulic means and fixes respectively in the both sides at 1 top of arch support, upper punch device 3's bottom movable mounting has drift 4, the axial lead direction of drift 4 is unanimous with the axial lead direction in the V type groove of stamping die 5, drift 4 movable mounting is in upper punch device 3's bottom, be favorable to changing drift 4 like this for drift 4 and the V type groove phase-match of stamping die 5, when adopting two hydraulic means to carry out the punching press, both sides effort is more balanced, punching press angle error is little.

In this embodiment, the punch 4 is a knife mold, a U mold, and an R mold, and the diversification of the punch 4 satisfies the requirements of different punching.

The utility model discloses a theory of operation is: placing a stamping die 5 in a base 2, respectively clamping two ends of a bearing 8 penetrating the stamping die 5 along the axial lead direction into U-shaped grooves formed in two sides of the base 2, gathering a first buckle 9 and a second buckle 10, fixing a lock hole 19 and a lock seat 12 through bolts, installing a nut 13 at one end of the bearing 8 so that the bearing 8 cannot be separated from the base 2 when driving the stamping die 5 to rotate, starting a motor 16, rotating a driven wheel 15 installed at the other end of the bearing 8 under the driving of a driving wheel 17 so that the stamping die 5 rotates, exposing a v-shaped groove of the stamping die 5 needing bending angle at the top of the base 2, inserting a limiting rod 14 into a corresponding limiting hole 7 on the stamping die 5, penetrating the limiting rod 14 through the stamping die 5 along the axial lead direction and extending to the outer side of the base 2, limiting the stamping die 5, and realizing multi-angle replacement by rotating the die, the upper punching device 3 is fixed after moving to the position corresponding to the 5 v-shaped groove of the required punching die, the punch 4 with the required model is installed at the bottom of the upper punching device 3, the crank arm to be bent is placed on the punching die 5, the driving mechanism of the upper punching device 3 is started, the upper punching device 3 punches the crank arm below, and after the crank arm is punched to the required angle, the upper punching device 3 is restored to the initial state for next punching.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. The utility model provides a turning arm production is with mould of bending, includes outrigger (1), upper punch device (3) and base (2), its characterized in that: upper punch device (3) movable mounting be in on arch support (1), install base (2) in arch support (1), U type groove has been seted up on the both sides wall of base (2), one side fixed mounting of base (2) has block mechanism (6), nut (13) are installed to one side of block mechanism (6), drive arrangement (18) are installed to the opposite side of base, movable mounting has stamping die (5) in base (2), install bearing (8) along the axial lead direction in stamping die (5), the one end of bearing (8) runs through the U type groove of a base (2) lateral wall with block mechanism (6) and with nut (13) swing joint of block mechanism (6) one side, the other end of bearing (8) runs through U type groove on the other lateral wall of base (2) and extends to the base (2) outside, and a driven wheel (15) is arranged at the other end of the bearing (8).

2. The bending die for crank arm production according to claim 1, characterized in that: the driving device (18) comprises a motor (16), a driving wheel (17) is installed at the output end of the motor (16), and the driving wheel (17) is connected with the driven wheel (15) through a belt.

3. The bending die for crank arm production according to claim 2, characterized in that: the clamping mechanism (6) comprises a first buckle (9), a second buckle (10) and a fixed column (11), one end of the first buckle (9) is hinged to the fixed column (11), the other end of the first buckle (9) is provided with a lock hole (19), one end of the second buckle (10) is hinged to the fixed column (11), the other end of the second buckle (10) is fixedly provided with a lock seat (12), one side of the fixed column (11) and one side of the lock seat (12) are fixedly connected with one side wall of the base (2), an internal thread is arranged in the lock seat (12), and the first buckle (9) and the second buckle (10) are fixed through bolts matched with the internal thread of the lock seat (12).

4. The bending die for crank arm production according to claim 1, characterized in that: a plurality of spacing holes (7) have been seted up along the axial lead direction in stamping die (5), spacing hole (7) run through the both sides portion of stamping die (5), base (2) both sides be equipped with a plurality of gag lever posts (14) of spacing hole (7) assorted, a plurality of V type grooves have been seted up on stamping die (5), the V type groove of stamping die (5) is 30 °, 45 °, 60 °, 90 °, 120 °, 135 °, 150 and circular multiple angle respectively.

5. The bending die for crank arm production according to claim 1, characterized in that: the upper punching device (3) is a double hydraulic device and is respectively fixed on two sides of the top of the arch support (1), a punch (4) is movably mounted at the bottom of the upper punching device (3), and the axial lead direction of the punch (4) is consistent with that of a V-shaped groove of the punching die (5).

6. The bending die for crank arm production according to claim 5, wherein: the punch (4) is a knife section mould, a U section mould and an R section mould.