CN210475221U

CN210475221U - Automobile sun-shading curtain pull rod bending die

Info

Publication number: CN210475221U
Application number: CN201921003490.5U
Authority: CN
Inventors: 冯志勇; 张达; 徐立金
Original assignee: Ningbo Yumin Machine Industrial Co ltd
Current assignee: Ningbo Yumin Machine Industrial Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-08
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a car sun visor curtain pull rod bending die, which belongs to the field of automobile part manufacturing, and comprises an upper die, a lower die, an upper die holder and a lower die holder, wherein the upper die holder is provided with an upper die pressing block which can move up and down, the upper die holder is provided with an upper die pressing block for pressing down the upper die, the upper die pressing block has adjustable height relative to the upper die holder, the lower die holder is provided with a limit adjusting bolt for limiting the lower die, the upper die and the lower die can be bent, the bending radian of the upper die pressing block is determined by the positions of the upper die pressing block and the limit adjusting bolt, when a pull rod with different radians is processed, the radian of the die can be changed by adjusting the pressing stroke of the upper die pressing block and the height of the limit adjusting bolt, thereby a workpiece is bent to the required radian, and the problem that the bending die in the prior art can, the bending forming is more flexible, and the processing is more convenient when different radians are processed.

Description

Automobile sun-shading curtain pull rod bending die

Technical Field

The utility model belongs to the technical field of automobile parts makes and specifically relates to an automobile sunshade curtain pull rod bending die is related to.

Background

In summer, in order to prevent a car parked in the open from being exposed to the sun, a sunshade curtain for shading the sun is often arranged on the car, wherein a pull rod of the sunshade curtain is a plastic bent piece and needs to be placed in a mold for bending and molding during processing.

Because the door window size of different motorcycle types is different, and the size, the radian of the sunshade screen pull rod of its required configuration are also different, and the pull rod of fixed radian can only be processed to present common bending die, in case required radian changes, need cut the mould, makes the usable number of times of mould reduce to it is very troublesome.

For example, the patent document of China discloses a bending forming processing die for an automobile pedal connecting rod, which is disclosed as CN109622763 and comprises an upper die, a lower die and hydraulic equipment, and has the disadvantages that only a rod with a fixed radian can be processed, once the radian required to be processed is changed, the die needs to be cut, so that the using times of the die is reduced, and the die is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art bending die and can not process the problem of the pull rod of multiple radian, provide an automobile sun visor curtain pull rod bending die, can process the pull rod of different radians through the radian of adjustment mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses, a car sun visor curtain pull rod bending die, including last module, lower module, it includes the upper die base and goes up the mould to go up the module, lower module includes die holder and lower mould, but the upper die base up-and-down motion installs the last briquetting that is used for pushing down the mould on the upper die base, go up the height-adjustable of briquetting for the upper die base, install the spacing adjusting bolt who is used for spacing lower mould on the die holder, it is all crooked to go up mould and lower mould, and its crooked radian is by last briquetting and spacing adjusting bolt's position decision.

When the upper die base moves to the lowest point, the radian of the die is determined by the positions of the upper die pressing block and the limiting adjusting bolt which are used for constraining the upper die pressing block, and the radian of the die during processing can be changed by adjusting the height of the upper die pressing block relative to the upper die base and the height of the limiting adjusting bolt, so that the pull rod is bent to the required radian.

Preferably, the upper die base is provided with a plurality of upper die fixing blocks, the lower die base is provided with a plurality of lower die fixing blocks, the lower sides of the upper die fixing blocks are provided with upper die notches, the upper dies are positioned in the upper die notches, two sides of the upper dies are pressed by the upper die fixing blocks, the upper sides of the lower die fixing blocks are provided with lower die notches, the lower dies are positioned in the lower die notches, and two sides of the lower dies are pressed by the lower die fixing blocks; the upper die fixing block and the lower die fixing block can prevent the upper die and the lower die from moving transversely during processing, so that influence is caused on processing.

Preferably, the upper die fixing block and the lower die fixing block are respectively provided with a positioning notch and a positioning bulge which can be mutually embedded; the positioning protrusion and the positioning notch can fix the relative positions of the upper die fixing block and the lower die fixing block.

Preferably, an upper die pressing and adjusting bolt for pressing the upper die is installed on the wall of the notch of the upper die notch, and a lower die pressing and adjusting bolt for pressing the lower die is installed on the wall of the notch of the lower die notch; when the relative positions of the upper die and the lower die deviate, the upper die pressing and adjusting bolt or the lower die pressing and adjusting bolt can be adjusted, so that the position of the die in the fixing block is changed, and the relative positions of the upper die and the lower die are corrected.

Preferably, the upper die fixing block is provided with an upper elastic piece, the upper die fixing block is elastically connected with the upper die base through the upper elastic piece, the lower die fixing block is provided with a lower elastic piece, and the lower die fixing block is elastically connected with the lower die base through the lower elastic piece; the elastic piece is used for connecting the fixing block and the die holder, so that better flexibility is provided for equipment, and when the pull rods with different radians are processed, the positions of the upper die fixing block and the lower die fixing block do not need to be manually adjusted, so that the processing is more convenient.

Preferably, the bottom of the upper die notch is provided with an upper force transmission rod fixed on the upper die fixing block, the upper force transmission rod is in line contact with the upper die in the width direction of the upper die, the bottom of the lower die notch is provided with a lower force transmission rod fixed on the lower die fixing block, and the lower force transmission rod is in line contact with the lower die in the width direction of the lower die; go up mould and bed die and receive the ascending linear constraint of width direction only, can not form the contact plane, can make the mould radian more smooth and easy, the processing effect is better.

Preferably, the limit adjusting bolt is divided into a vertex limit adjusting bolt and an arc limit adjusting bolt, the middle point in the length direction of the lower die is the vertex of the lower die, the vertex limit adjusting bolt is located below the vertex of the lower die and used for directly limiting the position of the vertex of the lower die, the arc limit adjusting bolt is located below the lower die fixing block and used for limiting the arc of the lower die by limiting the position of the lower die fixing block, the fixed-point limit adjusting bolt is used for controlling the position of the lowest point of the die so as to control the overall radian of the pull rod, the arc limit adjusting bolt restrains a plurality of points on the arc line of the die and can control the specific arc of the pull rod, and the obtained arc is more accurate.

Preferably, baffles are arranged at two ends of the lower die and fixed on the outer side surfaces of the two lower die fixing blocks at the outermost sides; the baffle can prevent the pull rod from falling out from the two ends of the die.

Preferably, a positioning block which is tightly installed is arranged in the lower die; the positioning block is used for fixing the position of the pull rod in the die, and the pull rod is prevented from sliding in the die to influence the shape after forming.

Preferably, an upper die base plate is arranged below the upper die base, a lower die base plate is arranged above the lower die base, a cushion block is arranged below the lower die base, a bottom plate is arranged below the cushion block, and the cushion block is fixedly connected with the bottom plate and can play a role in shock absorption in the machining process.

Therefore, the utility model discloses following beneficial effect has: (1) the radian of the die can be adjusted to obtain pull rods with different radians; (2) the pull rod is more smooth in arc shape by contacting the restraint die through a line; (3) constraints are arranged at a plurality of positions of the die, so that the arc shape of the pull rod is more accurate; (4) the pull rod and the die are reliably fixed during processing and are not easy to slide.

Drawings

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

Fig. 2 is a left side view of the present invention.

Fig. 3 is a plan view of the lower mold assembly of the present invention.

Fig. 4 is an axonometric view of the upper die assembly of the utility model.

Fig. 5 is an axonometric view of the lower die assembly of the present invention.

Fig. 6 is an axonometric view of the mold fixing part of the present invention.

In the figure: 1. the die holder 2, the upper die base 3, the upper die cushion plate 4, the upper die fixing block 41, the upper die notch 42, the positioning notch 5, the lower die fixing block 51, the lower die notch 52, the positioning protrusion 6, the upper die pressing block 7, the connecting nut 8, the connecting bolt 9, the limiting adjusting bolt 91, the vertex limiting adjusting bolt 92, the arc limiting adjusting bolt 10, the upper die 11, the lower die 12, the bottom plate 13, the cushion block 14, the upper dowel bar 15, the lower dowel bar 16, the positioning block 17, the upper elastic piece 18, the lower elastic piece 19, the upper die pressing adjusting bolt 20, the lower die pressing adjusting bolt 21, the baffle 22, the baffle mounting block 23, the lower die cushion plate 24 and the pull rod.

Detailed Description

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

In the embodiment shown in fig. 1-5, the bending die comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die holder 2 and an upper die 10, the lower die assembly comprises a lower die holder 1 and a lower die 11, the upper die holder can move up and down, an upper die pressing block 6 for pressing down the upper die is mounted on the upper die holder, the height of the upper die pressing block relative to the upper die holder is adjustable, a limiting adjusting bolt 9 for limiting the lower die is mounted on the lower die holder, both the upper die and the lower die can be bent, the bending radian of the upper die pressing block is determined by the positions of the upper die pressing block and the limiting adjusting bolt, the materials of the bendable upper die and the lower die are preferably High Molecular Polyethylene (HMPE), and the bendable upper die and the bendable lower die; the upper die pressing block is fixedly connected to the upper die base through a connecting nut 7 and a connecting bolt 8, the height of the upper die pressing block relative to the upper die base can be changed by adjusting the position of the connecting nut, and the upper die base moves up and down and is driven by a hydraulic machine; an upper die fixing block 4 is installed on the upper die base, a lower die fixing block 5 is installed on the lower die base, an upper die notch 41 is formed in the lower side of the upper die fixing block, the upper die is located in the upper die notch, a lower die notch 51 is formed in the upper side of the lower die fixing block, the lower die is located in the lower die notch, and the inner side surfaces of the upper die notch and the lower die notch are parallel to the side surfaces of the upper die and the lower die; the upper die fixing block and the lower die fixing block are respectively provided with a positioning bulge and a positioning notch which can be mutually embedded, an upper die pressing and adjusting bolt 19 for pressing the upper die is arranged on the wall of the notch of the upper die notch, a lower die pressing and adjusting bolt 20 for pressing the lower die is arranged on the wall of the notch of the lower die, the upper die pressing and adjusting bolt penetrates through the side wall of the upper die notch and is propped against the outer side surface of the upper die, the lower die pressing and adjusting bolt penetrates through the side wall of the lower die notch and is propped against the outer side surface of the lower die, the distance from the outer side surface of the upper die to the inner side of the side wall of the notch of the upper die can be adjusted by adjusting the upper die pressing adjusting bolt, the distance from the outer side surface of the lower die to the inner side of the side wall of the notch of the lower die can be adjusted by adjusting the lower die pressing adjusting bolt, the positioning protrusions and the positioning notches are V-shaped, and can play a role in guiding when the upper die fixing block and the lower die fixing block are folded; the upper die fixing block is provided with an upper elastic part 17, the upper die fixing block is elastically connected with the upper die base through the upper elastic part, the lower die fixing block is provided with a lower elastic part 18, the lower die fixing block is elastically connected with the lower die base through the lower elastic part, and the upper elastic part and the lower elastic part are flat wire springs in the embodiment; an upper force transmission rod 14 fixed on the upper die fixing block is arranged at the bottom of the upper die notch, the upper force transmission rod is in line contact with the upper die in the width direction of the upper die, a lower force transmission rod 15 fixed on the lower die fixing block is arranged at the bottom of the lower die notch, the lower force transmission rod is in line contact with the lower die in the width direction of the lower die, and the upper die and the lower die are restrained by the upper force transmission rod and the lower force transmission rod in the upper and lower directions and are restrained by a compression adjusting bolt in the width direction; the limiting adjusting bolts are divided into vertex limiting adjusting bolts 91 and arc limiting adjusting bolts 92, the middle point in the length direction of the lower die is the vertex of the lower die, the vertex limiting adjusting bolts are located below the vertex of the lower die, the vertex of the lower die cannot move downwards continuously when moving to the upper end position of the vertex limiting adjusting bolts, the arc limiting adjusting bolts are located below the lower die fixing block, the lower die fixing block cannot move downwards continuously when moving to the upper end position of the arc limiting adjusting bolts, in the embodiment, one vertex limiting adjusting bolt and four arc limiting adjusting bolts are arranged, the arc limiting adjusting bolts are higher than the vertex limiting adjusting bolts, and the arc limiting adjusting bolts closer to the vertex limiting adjusting bolts are higher; the two ends of the lower die are provided with baffle plates 21, the baffle plates are fixed on the bottoms of the outer side surfaces of the two lower die fixing blocks on the outermost side through baffle plate mounting blocks 22, positioning blocks 16 which are tightly mounted are arranged in the lower die, the sectional area of each positioning block is slightly larger than that of a pull rod 24, when the upper die and the lower die are closed, the positioning blocks are subjected to larger extrusion force and cannot move, and the pull rods can be effectively fixed; the die comprises an upper die base and a lower die base, and is characterized in that an upper die base plate 3 is arranged on the lower side of the upper die base, a lower die base plate 23 is arranged on the upper side of the lower die base, a cushion block 13 is arranged on the lower side of the lower die base, a bottom plate 12 is arranged on the lower side of the cushion block, the cushion block is fixedly connected with the bottom plate, and the upper die base is.

When the pull rod of the sun-shading curtain needs to be bent and formed, the raw material is firstly placed in the middle position of the lower die, and then the positions of the raw material in the lower die are fixed when the two ends of the raw material are respectively plugged into the positioning blocks; then, the lower die and the raw materials are placed into a notch of a lower die fixing block together, and a lower die pressing adjusting bolt is adjusted to enable the lower die to be pressed in the lower die fixing block; then starting the hydraulic machine to enable the upper die base to move downwards, and simultaneously driving the upper die fixing block and the upper die pressing block to move downwards until the upper die fixing block and the lower die fixing block are mutually embedded, and at the moment, the upper die and the lower die are also completely folded; if the upper die and the lower die cannot be aligned when the upper die fixing block and the lower die fixing block are mutually embedded, adjusting the compression adjusting bolts at two sides of the upper die fixing block or the lower die fixing block to align the upper die and the lower die; the upper die base continues to move downwards until the lower die fixing block contacts the arc-shaped limiting adjusting bolts with the highest positions, namely the two arc-shaped limiting adjusting bolts at the two ends, and the contact position of the lower side surface of the lower die and the lower dowel bar is not changed; the upper die base continues to move downwards, the upper die and the lower die begin to bend simultaneously, and the upper die fixing block is connected through the upper elastic piece and provides elastic force for offsetting the supporting force of the arc-shaped limiting bolt, so that the upper die fixing block does not provide pressure for pressing down the die at the moment, and the pressing down pressure is provided by the upper die pressing block; when the upper die pressing block is pressed down to the lowest point, namely the stroke of the hydraulic machine providing power is finished, the lower die fixing block is in complete contact with the four arc-shaped limiting adjusting bolts, the lower die is in complete contact with the vertex limiting adjusting bolts, the arc shape of the die is determined by the positions of the upper die pressing block and the five limiting adjusting bolts, the forming of the pull rod in the die is finished, and the fixed contact of the upper die and the upper die fixing block and the fixed contact of the lower die and the lower die are line contact, so that a contact surface cannot be formed, and the obtained arc is a smooth curve; the hydraulic press moves reversely to reset the upper die seat, the upper die fixing block and the upper die pressing block, the upper die and the lower die are separated again, and the pull rod in the lower die can be taken out; when the pull rods with different radians need to be processed, the arc shape of the pull rod is determined, then the corresponding arc shape of the die is calculated, the stroke of the upper die pressing block is adjusted, the lowest point of the upper die pressing block is positioned on the arc shape after the upper side surface of the upper die is bent, the height of the limiting adjusting bolt is adjusted, the highest point of the limiting adjusting bolt is positioned on the arc shape after the lower side surface of the lower die is bent, the raw materials are processed again according to the steps, and the pull rod with the new radian can be obtained through molding.

Claims

1. The utility model provides an automobile sun visor curtain pull rod bending die, includes upper die component, lower die component, characterized by, upper die component includes upper die base (2) and goes up mould (10), lower die component includes die holder (1) and lower mould (11), but upper die base up-and-down motion installs last briquetting (6) that are used for pushing down the mould on the upper die base, go up the briquetting for the height-adjustable of upper die base, install spacing adjusting bolt (9) that are used for spacing lower mould on the die holder, go up mould and lower mould all can be crooked, and its crooked radian is decided by last briquetting and spacing adjusting bolt's position.

2. The automobile sun visor curtain pull rod bending die as claimed in claim 1, wherein a plurality of upper die fixing blocks (4) are mounted on the upper die base, a plurality of lower die fixing blocks (5) are mounted on the lower die base, an upper die notch (41) is formed in the lower side of each upper die fixing block, the upper die is located in the upper die notch, a lower die notch (51) is formed in the upper side of each lower die fixing block, and the lower die is located in the lower die notch.

3. The bending die for the pull rod of the sun visor curtain of the automobile as claimed in claim 2, wherein the upper die fixing block and the lower die fixing block are respectively provided with a positioning notch (42) and a positioning protrusion (52) which can be embedded with each other.

4. The automobile sun visor curtain pull rod bending die as set forth in claim 2, wherein an upper die pressing and adjusting bolt (19) for pressing the upper die is installed on a recess wall of the upper die recess, and a lower die pressing and adjusting bolt (20) for pressing the lower die is installed on a recess wall of the lower die recess.

5. The bending die for the pull rod of the automobile sun visor curtain as claimed in claim 2, wherein the upper die fixing block is provided with an upper elastic member (17), the upper die fixing block is elastically connected with the upper die base through the upper elastic member, the lower die fixing block is provided with a lower elastic member (18), and the lower die fixing block is elastically connected with the lower die base through the lower elastic member.

6. The bending die for the pull rod of the sun blind of the automobile as claimed in claim 2, wherein the upper die notch is provided at the bottom with an upper force transmission rod (14) fixed to the upper die fixing block, the upper force transmission rod is in line contact with the upper die in the width direction of the upper die, and the lower die notch is provided at the bottom with a lower force transmission rod (15) fixed to the lower die fixing block, the lower force transmission rod is in line contact with the lower die in the width direction of the lower die.

7. The automobile sun visor curtain pull rod bending die of claim 2 or 6, wherein the limit adjusting bolt is divided into a vertex limit adjusting bolt (91) and an arc limit adjusting bolt (92), the middle point in the length direction of the lower die is the vertex of the lower die, the vertex limit adjusting bolt is positioned below the vertex of the lower die, the vertex of the lower die cannot move downwards continuously when moving to the upper end position of the vertex limit adjusting bolt, the arc limit adjusting bolt is positioned below the lower die fixing block, and the lower die fixing block cannot move downwards continuously when moving to the upper end position of the arc limit adjusting bolt.

8. The automobile sun visor curtain pull rod bending die as claimed in claim 1, wherein a baffle (21) is installed at two ends of the lower die, and the baffle is fixed on the outer side surfaces of the two outermost lower die fixing blocks.

9. The bending die for the pull rod of the automobile sun blind according to claim 1, wherein a closely-installed positioning block (16) is arranged in the lower die.

10. The automobile sun visor curtain pull rod bending die as claimed in claim 1, wherein an upper die base plate (3) is arranged on the lower side of the upper die base, a lower die base plate (23) is arranged on the upper side of the lower die base, a cushion block (13) is arranged on the lower side of the lower die base, a bottom plate (12) is arranged on the lower side of the cushion block, and the cushion block is fixedly connected with the bottom plate.