CN202539377U

CN202539377U - Bending mold for front pillar profile of excavator cab

Info

Publication number: CN202539377U
Application number: CN2012201479787U
Authority: CN
Inventors: 苏青松; 毛晓东
Original assignee: XIAMEN YULONG MACHINERY CO Ltd
Current assignee: XIAMEN YULONG MACHINERY CO Ltd
Priority date: 2012-04-10
Filing date: 2012-04-10
Publication date: 2012-11-21
Anticipated expiration: 2022-04-10

Abstract

The utility model discloses a bending mold for a front pillar profile of an excavator cab. The bending mold comprises a lower male mold and an upper female mold, wherein the lower female mold is fixedly arranged on a bottom plate, and clamping mechanisms for end parts of profiles to be bent are arranged at both sides of the lower female mold on the bottom plate; preferably, the clamping mechanism comprises a fixed clamping block arranged on the bottom plate, a track vertical to the lower female mold, and a movable clamping block moving along the track, and a fixed plate is arranged on the bottom plate at the same side of the movable clamping block; a threaded hole the axis of which is parallel to the track is arranged on the fixed plate, and a screw is arranged in the threaded hole; one end of the screw and the movable clamping block are fixed, and the other end of the screw is provided with a rotating handle; and a pad matched with the shape of the end part of the profile to be bent is also arranged between the fixed clamping block and the movable clamping block. According to the bending mold, after the profile to be bent is bent, the amount of springback is smaller, and the molding is stable.

Description

A kind of bending die of excavator driver's cabin front column section bar

Technical field

The utility model relates to diel, especially a kind of bending die of excavator driver's cabin front column section bar.

Background technology

Existing most excavator driver's cabin front column section bar all need bend and finalize the design, and common way is to utilize pressing equipment and concavo-convex mould to cooperate the column section bar to bend, in actual production; After traditional male and female mold column section bar press-bending; The springback capacity of section bar is bigger, and moulding is unstable, causes the assembly process in road, back also will proofread and correct by hand; Increase the later process labor intensity of operating personnel, proofread and correct the bad total quality that also can influence whole driver's cabin sometimes.

The utility model content

For solving above-mentioned technical problem the utility model a kind of bending die of excavator driver's cabin front column section bar is provided, can makes the section bar press-bending back springback capacity of waiting to bend less, stable molding.

For achieving the above object; The technical scheme of the utility model is: a kind of bending die of excavator driver's cabin front column section bar; Comprise lower cavity die, go up punch, lower cavity die is fixed on the base plate, and the both sides that on base plate, are in lower cavity die are provided with the clamp mechanism of the section bar end that remains to be bent.

Preferred described clamp mechanism comprise the fixedly fixture block that is arranged on the base plate, with perpendicular track of lower cavity die and the movable clip block that moves along said track; Be provided with a fixed head with the base plate of movable clip block homonymy; Fixed head is provided with the screwed hole that axis and track parallel; One screw mandrel is housed on the described screwed hole, and an end and the movable clip block of screw mandrel fix, and the other end of screw mandrel is provided with one and rotates handgrip.

Further improve, also be provided with the cushion block that matches with the section bar end shape of waiting to bend between described fixedly fixture block and the movable clip block, can prevent the distortion of the end clips of the section bar of waiting to bend.

For preventing the distortion of the end clips of the section bar of waiting to bend, another kind of way is to make fixedly that the shape and the section bar end shape of waiting to bend of mating surface match between the fixture block and movable clip block.

The utility model is owing to wait to bend section bar when bent into shape, and the clamped grips in its two ends mainly is to utilize the tensile property of profile material to finalize the design in the punching course, and the section bar springback capacity behind bent into shape of therefore waiting to bend is less, stable molding.

Description of drawings

Fig. 1 is the utility model top perspective view.

Fig. 2 is the utility model face upwarding stereogram.

The specific embodiment

Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.

Fig. 1, shown in Figure 2; A kind of bending die of excavator driver's cabin front column section bar; Comprise lower cavity die 1, go up punch 2; Lower cavity die 1 is fixed on the base plate 3, and last punch 2 is connected with the drift of pressing equipment, and the both sides that on base plate 3, are in lower cavity die 1 are provided with the clamp mechanism 4 of the section bar end that remains to be bent.

Described clamp mechanism 4 comprise the fixedly fixture block 41 that is arranged on the base plate 3, with perpendicular track 42 of lower cavity die 1 and the movable clip block 43 that moves along said track 42; Be provided with a fixed head 44 with the base plate 3 of movable clip block 43 homonymies; Fixed head 44 is provided with the screwed hole that axis and said track 42 parallel; One screw mandrel 45 is housed on screwed hole, and an end and the movable clip block 43 of screw mandrel 45 fix, and the other end of screw mandrel 45 is provided with one and rotates handgrip 451.

For preventing, the cushion block 5 that matches with the section bar end shape of waiting to bend can be set between described fixedly fixture block 41 and movable clip block 43 waiting to bend section bar end clips distortion; Can make also fixedly that the shape of mating surface matches with the section bar end shape of waiting to bend between the fixture block 41 and movable clip block 43.

When the utility model used, base plate 3 capable of using fixed with the workbench of pressing equipment, fixes the drift of last punch and pressing equipment; Be rotated counterclockwise handgrip 451, screw mandrel 45 is retreated, and the movable clip block 43 and the fixing distance of fixture block 41 are drawn back; Be placed on the end of the section bar of waiting to bend movable clip block 43 and fixedly between the fixture block 41, fill up section bar to be bent with cushion block 5 again, and then the handgrip 451 that turns clockwise; Screw mandrel 45 advances and drives movable clip block 43 the clamping of the end of the section bar of waiting to bend; At this moment the drift of pressing equipment just can drive punch 2 and treats the press-bending section bar and bend, because the end of the section bar of waiting to bend is clamped, the section bar springback capacity after the press-bending is less.

Below only be preferred embodiment of the utility model, the change that those skilled in the art does to be equal to by claim all falls into the protection domain of this case.

Claims

1. the bending die of an excavator driver's cabin front column section bar comprises lower cavity die, goes up punch, and lower cavity die is fixed on the base plate, it is characterized in that: the both sides that on base plate, are in lower cavity die are provided with the clamp mechanism of the section bar end that remains to be bent.

2. the bending die of a kind of excavator driver's cabin front column section bar according to claim 1; It is characterized in that: described clamp mechanism comprise the fixedly fixture block that is arranged on the base plate, with perpendicular track of lower cavity die and the movable clip block that moves along said track; Be provided with a fixed head with the base plate of movable clip block homonymy; Fixed head is provided with the screwed hole that axis and track parallel; One screw mandrel is housed on the described screwed hole, and an end and the movable clip block of screw mandrel fix, and the other end of screw mandrel is provided with one and rotates handgrip.

3. the bending die of a kind of excavator driver's cabin front column section bar according to claim 2 is characterized in that: also be provided with the cushion block that matches with the section bar end shape of waiting to bend between described fixedly fixture block and the movable clip block.

4. the bending die of a kind of excavator driver's cabin front column section bar according to claim 2 is characterized in that: the shape of mating surface matches with the section bar end shape of waiting to bend between said fixedly fixture block and the movable clip block.