CN210754679U

CN210754679U - Bending die

Info

Publication number: CN210754679U
Application number: CN201921528760.4U
Authority: CN
Inventors: 刘广勇; 宋辉; 梁壮; 杨兆友; 李峰
Original assignee: Suzhou Yonghange Precision Manufacturing Co ltd
Current assignee: Suzhou Yonghange Precision Manufacturing Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-16
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to the field of dies, a mould of bending is disclosed, correspond the die that the position angle is the acute angle including setting up the terrace die on drive arrangement and setting in the terrace die below, the die is provided with the die fixed station rather than fixed, the left and right sides on the terrace die is provided with the terrace die left side arc guide way and the terrace die right side arc guide way that are used for restricting the continuous of work piece side direction deformation at the work piece in-process of bending, the die recessed left and right sides is provided with respectively and is used for cooperating terrace die left side arc guide way and terrace die right side arc guide way restriction work piece side direction deformation's die left side arc guide way and die right side arc guide way at the work piece in-process of bending, the corresponding position on die right side arc guide way right side is provided with the distance positioner of. The deformation of the upper and lower corresponding limiting workpiece effectively reduces the lateral irregular deformation of the workpiece, the bending distance is directly adjusted and positioned, the bending length is accurate, the bending deformation is regular, and the traceless bending at different angles can be carried out.

Description

Bending die

Technical Field

The utility model relates to a mould, in particular to mould of bending.

Background

The bending accessories or tools are often used in the application of mechanical operation and production life, the bending accessories or tools are generally processed through special mechanical equipment and dies, when the round bar is bent, if the round bar is bent by a standard thin plate bending die, bending marks are too deep, bending marks are likely to deviate, the round bar is not on the same plane, a special round bar bending machine is used, the appearance has no marks, and the problem that the bending distance and the positioning are not accurate cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a mould of bending.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a mould of bending, is the die of acute angle including setting up the terrace die on drive arrangement and setting up the angle that corresponds the position below the terrace die, the die is provided with the die fixed station rather than fixed, the left and right sides on the terrace die is provided with the continuous terrace die left side arc guide way and the terrace die right side arc guide way that are used for restricting the work piece lateral deformation at the work piece in-process of bending, the recessed left and right sides of die is provided with respectively and is used for coordinating terrace die left side arc guide way and terrace die right side arc guide way and restrict the die left side arc guide way and the die right side arc guide way that the work piece lateral deformation was restricted at the work piece in-process of bending, the corresponding position on die fixed station die right side arc guide way right side. The deformation of the upper and lower corresponding limiting workpiece effectively reduces the lateral irregular deformation of the workpiece, the bending distance is directly adjusted and positioned, the bending length is accurate, the bending deformation is regular, and the traceless bending at different angles can be carried out.

Further, the method comprises the following steps: the last face of the left and right sides of die is provided with left horizontal recess and right horizontal recess that runs through about respectively, the radian and the degree of depth of left side horizontal recess, right horizontal recess, die left side arc guide way and die right side arc guide way indent are all the same, the right-hand member of left side horizontal recess and the upper left end of die left side arc guide way are fillet transition butt joint, the left end of right side horizontal recess and the upper right end of die right side arc guide way are fillet transition butt joint. The workpiece is positioned at a bending preset position before bending, the circular workpiece is convenient to guide and deform in the bending process, the contact area is large, and the indentation generated in the deformation process is reduced.

Further, the method comprises the following steps: bending distance positioning device includes the location base plate and removes the gag lever post, it is provided with multiunit location base plate screw hole with right horizontal groove corresponding direction on the location base plate, it passes through the screw fixation on one of them a set of location base plate screw hole to remove the gag lever post. The movable limiting rod can be fixed in a plurality of groups of different positioning base plate screw holes to adjust the bending positioning distance of the workpiece.

Further, the method comprises the following steps: and a waist-shaped hole with the length not less than the distance between the screw holes of the two adjacent groups of substrates is arranged in the left and right directions of the movable limiting rod. The limiting rod is finely adjusted and moved to accurately position.

Further, the method comprises the following steps: and the front and rear edges of the movable limiting rod on the positioning substrate are respectively provided with a front limiting block and a rear limiting block which limit the movable limiting rod in the front-rear direction. Prevent to remove the gag lever post and lead to removing the right-hand member and the work piece slope contact of gag lever post in the skew of horizontal fore-and-aft direction, and then make the location error appear.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the male mold;

FIG. 3 is a front view of the female mold;

fig. 4 is a front view of the bending distance positioning device.

Labeled as: the male die comprises a male die 100, a male die left arc-shaped guide groove 110, a male die right arc-shaped guide groove 120, a female die 200, a female die left arc-shaped guide groove 210, a left horizontal groove 211, a female die right arc-shaped guide groove 220, a right horizontal groove 221, a female die fixing table 300, a bending distance positioning device 400, a positioning base plate 410, a positioning base plate screw hole 411, a front limiting block 412, a rear limiting block 413, a movable limiting rod 420 and a waist-shaped hole 430.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The bending die shown in fig. 1 to 3 comprises a male die 100 arranged on a driving device and a female die 200 arranged at a corresponding position below the male die 100, wherein the angle of the female die 200 is an acute angle, the female die 200 is provided with a female die fixing table 300 for fixing the female die 200, the left side and the right side of the male die 100 are provided with a male die left arc-shaped guide groove 110 and a male die right arc-shaped guide groove 120 which are connected and used for limiting the lateral deformation of a workpiece in the workpiece bending process, the left concave side and the right concave side of the female die 200 are respectively provided with a female die left arc-shaped guide groove 210 and a female die right arc-shaped guide groove 220 which are used for matching with the male die left arc-shaped guide groove 110 and the male die right arc-shaped guide groove 120 to limit the lateral deformation of the workpiece in the workpiece bending process, and a bending. The bending angle is controlled by setting the pressing distance of the male die 100, the bending angle is set firstly, the bending distance positioning device 400 is adjusted to position the preset bending length, one end of a workpiece to be bent is placed into the female die 200, the right end of the workpiece is horizontally contacted with the bending distance positioning device 400 to accurately position the bending length, the power device is started to press the male die 100 downwards, the workpiece is clamped in the female die by the lowest end connection part of the left arc-shaped guide groove 110 of the male die and the right arc-shaped guide groove 120 of the male die during initial contact, after the workpiece begins to deform, the upper surface of the workpiece during deformation is clamped by the left arc-shaped guide groove 110 of the male die and the right arc-shaped guide groove 120 of the male die, the lower surface of the workpiece during deformation is clamped by the left arc-shaped guide groove 210 of the female die and the right arc-shaped guide groove 220 of the female. The deformation of the upper and lower corresponding limiting workpiece effectively reduces the lateral irregular deformation of the workpiece, directly adjusts the positioning bending distance, is convenient to use, and has accurate bending length and regular bending deformation.

On the basis, as shown in fig. 1 and 3, the upper plate surfaces of the left side and the right side of the female die 200 are respectively provided with a left horizontal groove 211 and a right horizontal groove 221 which are penetrated through from left to right, the radian and the depth of the inner recesses of the left horizontal groove 211, the right horizontal groove 221, the female die left arc-shaped guide groove 210 and the female die right arc-shaped guide groove 220 are the same, the right end of the left horizontal groove 211 is in fillet transition butt joint with the upper left end of the female die left arc-shaped guide groove 210, and the left end of the right horizontal groove 221 is in fillet transition butt joint with the upper right end of the female die right arc-shaped guide groove 220. The left horizontal groove 211 and the right horizontal groove 221 position the workpiece at a bending preset position before bending, so that the circular workpiece can be guided to deform conveniently in the bending process, the contact area is large, and the indentation generated in the deformation process is reduced.

On the basis, as shown in fig. 1 and 4, the bending distance positioning device 400 includes a positioning substrate 410 and a movable limiting rod 420, a plurality of sets of positioning substrate screw holes 411 are disposed on the positioning substrate 410 in a direction corresponding to the right horizontal groove 221, and the movable limiting rod 420 is fixed on one set of positioning substrate screw holes 411 through screws. When the bending distance needs to be reduced, a screw for fixing the movable limiting rod 420 on the positioning substrate 410 is unscrewed, and then a screw hole with a proper left distance is selected for fixing; when the bending distance needs to be increased, the screw for fixing the movable limiting rod 420 on the positioning substrate 410 is unscrewed, and then the screw is fixed by a screw hole with a right distance. The movable limiting rod 420 can be fixed in a plurality of different sets of positioning base plate screw holes 411 to adjust the positioning distance of workpiece bending.

On the basis, as shown in fig. 1 and 4, the movable limiting rod 420 is provided with a waist-shaped hole 430 with a length not less than the distance between the screw holes of the two adjacent groups of substrates in the left-right direction. After the position is roughly fixed by selecting the screw hole, the limiting rod 420 is moved by fine adjustment to accurately position, and the bending length is set.

In addition, as shown in fig. 1 and 4, the front and rear sides of the movement limiting rod 420 on the positioning substrate 410 are respectively provided with a front limiting block 412 and a rear limiting block 413 for limiting the movement limiting rod 420 in the front and rear directions. The right end of the movable limiting rod 420 is prevented from being in inclined contact with a workpiece due to the fact that the movable limiting rod 420 deviates in the horizontal front-back direction, and therefore positioning errors are caused. The right end surface of the movable limiting rod 420 is ensured to be positioned in non-angular contact with the right end of the workpiece.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a mould of bending, is the die (200) of acute angle including setting up terrace die (100) on drive arrangement and setting up the angle that corresponds the position in terrace die (100) below, its characterized in that: the die (200) is provided with a die fixing table (300) for fixing the die, the left side and the right side of the male die (100) are provided with a male die left arc-shaped guide groove (110) and a male die right arc-shaped guide groove (120) which are connected and used for limiting the lateral deformation of a workpiece in the workpiece bending process, the left concave side and the right concave side of the female die (200) are respectively provided with a female die left arc-shaped guide groove (210) and a female die right arc-shaped guide groove (220) which are used for matching the male die left arc-shaped guide groove (110) and the male die right arc-shaped guide groove (120) to limit the lateral deformation of the workpiece in the workpiece bending process, and the corresponding positions on the right side of the female die right arc-shaped guide groove (220).

2. The bending die of claim 1, wherein: the last face of the left and right sides of die (200) is provided with left horizontal groove (211) and right horizontal groove (221) that run through about respectively, the radian and the degree of depth of left side horizontal groove (211), right horizontal groove (221), die left side arc guide way (210) and die right side arc guide way (220) indent are all the same, the right-hand member of left side horizontal groove (211) and the upper left end of die left side arc guide way (210) are fillet transition butt joint, the upper right end of the left end of right side horizontal groove (221) and die right side arc guide way (220) is fillet transition butt joint.

3. The bending die of claim 1, wherein: bend apart from positioner (400) including location base plate (410) and removal gag lever post (420), location base plate (410) go up and correspond the direction with right horizontal groove (221) and be provided with multiunit location base plate screw hole (411), remove gag lever post (420) and pass through the screw fixation on one of them a set of location base plate screw hole (411).

4. The bending die of claim 3, wherein: and a waist-shaped hole (430) with the length not less than the distance between the two adjacent groups of base plate screw holes is arranged in the left and right directions of the movable limiting rod (420).

5. The bending die of claim 3, wherein: the front and the rear edges of the movable limiting rod (420) on the positioning substrate (410) are respectively provided with a front limiting block (412) and a rear limiting block (413) which limit the movable limiting rod (420) in the front and rear directions.