CN210080420U

CN210080420U - Positioning device in bending die

Info

Publication number: CN210080420U
Application number: CN201920906258.6U
Authority: CN
Inventors: 赵威; 濮武隆; 王世斌
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Shijiazhuang Electric Appliances Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-02-18
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a positioner in mould of bending, including clamping part and location portion, the clamping part includes the upper die base, bends piece, lower bolster and die holder, bend a fixed mounting in on the upper die base, the upper die base downstream drives the piece oppression part of bending, location portion includes slotting tool slider and locating piece, slotting tool fixed mounting be in on the upper die base, be equipped with the inclined plane on the slotting tool, the slider sets up on the die holder to can follow the die holder back-and-forth movement, be equipped with down the inclined plane on the slider, it can coincide with the inclined plane on lower inclined plane to go up the inclined plane. The utility model discloses a set up the locating piece, increased the locate function on the limit of bending, solved the quality problems of the skew of bending position in the production and the quality problems of the limit distortion of bending in the production, this device adopts slider location structure, effectively avoids the interference deformation problem with the product in-process of bending.

Description

Positioning device in bending die

Technical Field

The utility model belongs to the mould field, in particular to positioner in mould of bending.

Background

In the process of machining parts, the parts need to be bent frequently, and in the prior art, one end of each part is fixed and pressed down by an upper template to bend the parts. However, in the prior art, most of the bent edges of the parts are not positioned, so that inaccurate positioning and product displacement are easy to occur, and unqualified products are generated; on the other hand, the bending edge is in a suspended state, and the bending edge is easy to deform, so that unqualified products are produced. Therefore, the work of fixing the bending edge of the part is very important. However, the bending edge of the part is fixed, and when the part is bent, the bending operation of the bending edge is not hindered, and the bending positioning device needs to be moved out, so that the working procedures are increased, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an at the part in-process of bending, the limit location of bending the part, the positioner that the work of bending goes on is not hindered again simultaneously.

In order to achieve the purpose, the utility model discloses a positioning device in a bending die, which comprises a clamping part and a positioning part, wherein the clamping part comprises an upper die base, a bending block, a lower die plate and a lower die base, the bending block is fixedly arranged on the upper die base, the upper die base moves downwards and drives the bending block to press a bending part, the positioning part comprises an slotting tool, a sliding block and a positioning block, the slotting tool is fixedly arranged on the upper die base, and an upper inclined plane is arranged on the slotting tool;

the sliding block is arranged on the lower die base and can move back and forth along the lower die base, a lower inclined plane is arranged on the sliding block, and the upper inclined plane is matched with the inclined plane of the lower inclined plane;

the positioning block is fixedly installed on the sliding block, a part body of the bending part is arranged on the lower template, and the end part of the bending part is arranged on the positioning block and limited by the positioning block.

Furthermore, a sliding rail is arranged on the lower die base, and the sliding block is arranged on the sliding rail and can move back and forth along the sliding rail.

Furthermore, a stop block is fixedly installed on the lower die base and fixed at one end of the sliding rail.

Furthermore, a return spring is mounted on the stop block, one end of the return spring is connected with the stop block, the other end of the return spring is connected with the sliding block, and when the sliding block is pressed to move towards the stop block, the return spring is in a compressed state; when the sliding block is not pressed, the return spring pushes the sliding block to the initial position of the sliding block on the sliding rail.

Furthermore, a screw groove is formed in the stop block, an unloading screw is installed in the screw groove, and one end of the unloading screw is in threaded connection with the sliding block.

The sliding block driving device comprises a sliding block driving cylinder, a piston rod is arranged on the sliding block driving cylinder, one end of the sliding block is fixedly connected with the piston rod, and the sliding block can move back and forth along the direction of the piston rod.

Furthermore, the positioning block is provided with a supporting surface for supporting the end part of the part and an abutting surface for positioning the end part of the part.

Compared with the prior art, the utility model, have following advantage:

1. through setting up the locating piece, increased the locate function on limit of bending, solved the quality problem of bending offset in the production.

2. The function of lifting the bent edge is added, and the quality problem of the twisted and deformed bent edge in production is solved.

3. Adopt slider location structure, effectively avoid with the product problem of deformation of interfering of in-process of bending.

Drawings

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

FIG. 2 is a schematic view of a part bending process;

fig. 3 is a schematic view of the positioning part.

Shown in the figure: 1-slotting tool; 2-a slide block; 3-positioning a block; 4-upper inclined plane; 5-lower inclined plane; 6-a slide rail; 7-a stop block; 8-a return spring; 9-screw slot; 10-a discharge screw; 11-an upper die holder; 12-bending the block; 13-a lower template; 14-a lower die holder; 15-bending the part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain the present invention in further detail with reference to the accompanying drawings and embodiments; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the prior art, the part is bent by fixing one end of the part and pressing down the part by using an upper template. However, in the prior art, most of the bent edges of the parts are not positioned, so that inaccurate positioning and product displacement are easy to occur, and unqualified products are generated; on the other hand, the bending edge is in a suspended state, and the bending edge is easy to deform, so that unqualified products are produced.

As shown in fig. 1, the utility model relates to a positioner in mould of bending lifts and fixes a position the part through setting up locating piece 3, plays the location before the work of bending takes place and lifts the effect, and locating piece 3 is installed on but the slider 2 of back-and-forth movement.

The downward pressing and bending work of the device is finished by a bending block 12 arranged on an upper die base 11, one end of a part is fixed on a lower die plate 13, the lower die plate 13 is fixed on a lower die base 14, the upper die base 11 moves downwards to drive the bending block 12 to bend the suspended end of the part, and the bending work of a part 15 is realized. As shown in fig. 2.

As shown in fig. 3, in order to prevent the positioning block 3 from interfering with the bending part 15 and deforming during the bending process of the bending part 15, a lower inclined surface 5 is provided on the slider 2, a slotting tool 1 is provided on the upper die holder 11, an upper inclined surface 4 is provided on the slotting tool 1, and the upper inclined surface 4 and the lower inclined surface 5 can be matched in pairs. When the slotting tool 1 moves downwards along with the upper die base 11, the upper inclined plane 4 contacts with the lower inclined plane 5 and acts to push the sliding block 2 to move backwards.

In one embodiment, in order to facilitate the forward and backward movement of the slider 2, the device is provided with a slide rail 6 on the lower die holder 14, and the slider 2 can slide forward and backward on the slide rail 6.

A stop block 7 is further arranged at the end part of the slide rail 2, a return spring 8 is mounted on the stop block 7, one end of the return spring 8 is connected with the stop block, the other end of the return spring 8 is connected with the slide block 2, and when the slide block 2 is pressed to move towards the stop block 7, the return spring 8 is in a compressed state; when the slide block 2 is not pressed, the return spring 8 pushes the slide block 2 to the initial position of the slide block 2 on the slide rail 6. The return spring 8 has the function of automatically returning the slide 2 to the initial position when not pressed by the slotting cutter 1.

The stop block 7 is further provided with a screw groove 9, a discharging screw 10 is installed in the screw groove 9, and one end of the discharging screw 10 is in threaded connection with the sliding block 2. Set up screw groove 9 and screw 10 of unloading, play the positioning action to slider 2 to make slider 2 can dismantle, make things convenient for the replacement of slider 2 and locating piece 3, in order to adapt to the location work of bending of different parts.

The second embodiment is similar to the second embodiment in a positioning part, except that the stop 7 is removed, a slider driving cylinder is added on the device, and a piston rod is connected with the slider 2, so that the slider 2 can be controlled by the cylinder, the forward and backward movement of the slider 2 is realized, and the interference of parts is avoided.

Claims

1. A positioning device in a bending die comprises a clamping part and a positioning part, wherein the clamping part comprises an upper die holder (11), a bending block (12), a lower die plate (13) and a lower die holder (14), the bending block (12) is fixedly arranged on the upper die holder (11), the upper die holder (11) moves downwards and drives the bending block (12) to press a bending part (15), the positioning part is characterized by comprising an slotting tool (1), a sliding block (2) and a positioning block (3), the slotting tool (1) is fixedly arranged on the upper die holder, and an upper inclined plane (4) is arranged on the slotting tool (1);

the sliding block (2) is arranged on the lower die base and can move back and forth along the lower die base, a lower inclined plane (5) is arranged on the sliding block (2), and the upper inclined plane (4) is matched with the inclined plane of the lower inclined plane (5);

the positioning block (3) is fixedly installed on the sliding block (2), a part body of the bending part (15) is arranged on the lower template, and the end part of the bending part (15) is arranged on the positioning block (3) and limited by the positioning block (3).

2. The positioning device in the bending die as claimed in claim 1, wherein the lower die holder is provided with a slide rail (6), and the slide block (2) is arranged on the slide rail (6) and can move back and forth along the slide rail (6).

3. The positioning device in the bending die as claimed in claim 2, wherein a stop block (7) is fixedly mounted on the lower die holder, and the stop block (7) is fixed at one end of the slide rail (6).

4. The positioning device in the bending die according to claim 3, wherein a return spring (8) is mounted on the stop block (7), one end of the return spring (8) is connected with the stop block, the other end of the return spring (8) is connected with the sliding block (2), and when the sliding block (2) is pressed to move towards the stop block (7), the return spring (8) is in a compressed state; when the sliding block (2) is not pressed, the return spring (8) pushes the sliding block (2) to the initial position of the sliding block (2) on the sliding rail (6).

5. The positioning device in the bending die as claimed in claim 3, wherein the stop block (7) is provided with a screw groove (9), a discharging screw (10) is installed in the screw groove (9), and one end of the discharging screw (10) is in threaded connection with the sliding block (2).

6. The positioning device in the bending die according to claim 2, further comprising a slider driving cylinder, wherein the slider driving cylinder is provided with a piston rod, one end of the slider (2) is fixedly connected with the piston rod, and the slider (2) can move back and forth along the piston rod.

7. The positioning device in the bending die as claimed in claim 1, wherein the positioning block (3) is provided with a supporting surface for supporting the end of the part and an abutting surface for positioning the end of the part.