CN219274117U

CN219274117U - Compact bilateral inner bending mechanism

Info

Publication number: CN219274117U
Application number: CN202320144199.XU
Authority: CN
Inventors: 杨国强; 张尧; 黄炎林
Original assignee: Mingke Jingji Holding Co ltd
Current assignee: Mingke Jingji Holding Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-30
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a compact bilateral inner bending mechanism which comprises two molding male sliding blocks, two molding female sliding blocks, a lower mold driving block and an upper mold driving block, wherein the two molding female sliding blocks are positioned between the two molding male sliding blocks, the two molding female sliding blocks are connected through a spring, when the lower mold driving block is lifted upwards at a position between the two molding female sliding blocks, the two molding female sliding blocks move in two different directions, and the two molding male sliding blocks are controlled by the upper mold driving block to move in the direction of the molding female sliding blocks. According to the utility model, aiming at the double-side internally bent part, the two movable forming female sliding blocks are adopted, and when the lower die is driven to reset and descend by utilizing the rebound resilience of the spring, the two forming female sliding blocks are close to corresponding directions, so that the opening is enlarged, and the problem that the part is difficult to take out can be prevented.

Description

Compact bilateral inner bending mechanism

Technical Field

The utility model relates to the field of dies, in particular to a compact double-side inner bending mechanism.

Background

Along with the rapid development of manufacturing industries such as automobiles, the demands of the shapes and structures of workpieces are continuously changed, the side edges of the plates are required to be bent in the plate stamping forming construction process, the stamping and bending processes are mainly carried out by machine tools in a split process and a split mold at present, the stamping operation is finished firstly, then the workpieces are transferred to the bending mold to be subjected to the bending operation, the processing efficiency of the workpieces cannot be ensured by the step-by-step process, the processing quality cannot be ensured, the workpieces are easily moved back and forth to cause position offset, defective products are increased, and meanwhile, heavy work burden is brought to workers.

When the negative angle appears in the product, the existing bending die can not form the product, and the demoulding is difficult after the product is formed, and the currently used die structure usually uses an oblique movement mechanism of a dovetail sliding block. The dovetail sliding block principle is that the sliding block moves obliquely upwards under the guide of the fixed seat, so that the interference of the internal bending and vertical upwards movement of a product is avoided, and the smooth lifting and demoulding of the material belt is achieved. Currently, automobile parts are in a double inward folded shape, and the product is smaller. Because the opening distance at the bottom of the product is short, the space in the product can not be used enough to hide the mechanisms such as the current dovetail sliding block.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a compact double-side inner bending mechanism.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a mechanism of bending in compact bilateral, includes two public sliders of shaping, two female sliders of shaping, lower mould drive piece and last mould drive piece, two female slider of shaping is located two between the public slider of shaping, two connect through the spring between the female slider of shaping, lower mould drive piece jack-up is two when the position between the female slider of shaping, two female slider of shaping moves to two different directions, two the public slider of shaping is by one go up the control of mould drive piece to the direction of the female slider of shaping moves.

As an improvement of the compact double-side internal bending mechanism, the bottoms of the corresponding ends of the two molding female sliding blocks are respectively provided with a first inclined plane, two sides of the upper end of the lower die driving block are respectively provided with a second inclined plane, and the middle part of the upper end of the lower die driving block is provided with a spring abdicating groove.

As an improvement of the compact double-side internal bending mechanism, the compact double-side internal bending mechanism further comprises two slide block guide plates, wherein the two slide block guide plates are respectively arranged on two sides of the two molding female slide blocks, two transverse guide holes are formed in the two slide block guide plates at intervals, first bolts are respectively arranged in the two transverse guide holes in a penetrating mode, sliding grooves are respectively formed in two sides of the molding female slide blocks, and the first bolts are connected to the sliding grooves.

As an improvement of the compact double-side internal bending mechanism, the compact double-side internal bending mechanism further comprises a forming sliding block guide fixing plate, wherein the forming sliding block guide fixing plate is connected to the outer side of the lower die driving block, a vertical guide hole is formed in the middle of the upper end of the forming sliding block guide fixing plate, a second bolt is arranged on the vertical guide hole in a penetrating mode and is in threaded connection with the middle of the sliding block guide plate, when the lower die driving block moves upwards, the forming sliding block guide fixing plate moves upwards along with the upper die driving block, and the vertical guide hole can limit the lifting distance of the forming sliding block guide fixing plate.

As an improvement of the compact double-side internal bending mechanism, the utility model further comprises a material pressing plate, wherein the material pressing plate is positioned above the forming female sliding block, and a material pressing spring is arranged on the material pressing plate. The pressing spring can push the pressing plate to press the part, so that the part is prevented from moving.

As an improvement of the compact double-side internal bending mechanism, the two forming male sliding blocks comprise an L-shaped sliding block seat and an L-shaped male sliding block, the L-shaped male sliding block is arranged on the L-shaped sliding block seat, and a first propping inclined plane is arranged at the end part of the L-shaped sliding block seat.

As an improvement of the compact double-side internal bending mechanism, the bottom of the upper die driving block is provided with a second propping inclined plane, and the second propping inclined plane is contacted with the first propping inclined plane when the upper die driving block drives the forming male sliding block downwards. The upper die driving block vertically descends, and the formed male sliding block is pushed to transversely move by the action of the propping inclined plane, so that the two ends of the part are inwards bent.

As an improvement of the compact double-side internal bending mechanism, the axial middle part of the forming female sliding block is provided with a spring perforation, and the end part of the spring penetrates out of the spring perforation and is fixed by a spring fixing nut.

The utility model has the beneficial effects that: according to the utility model, aiming at the double-side internally bent part, the two movable forming female sliding blocks are adopted, and when the lower die is driven to reset and descend by utilizing the rebound resilience of the spring, the two forming female sliding blocks are close to corresponding directions, so that the opening is enlarged, and the problem that the part is difficult to take out can be prevented.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded schematic view of the present utility model;

FIG. 3 is a state diagram of various slider motion bending elements of the present utility model;

FIG. 4 is a state diagram of the utility model after resetting each slider;

the reference numerals are: 1. the forming male sliding block 2, the forming female sliding block 3, the lower die driving block 4, the upper die driving block 5, the spring 6, the sliding block guide plate 7, the forming sliding block guide fixing plate 8, the material pressing plate 11, the L-shaped sliding block seat 12, the L-shaped male sliding block 13, the first propping inclined surface 21, the first inclined surface 22, the sliding groove 23, the spring perforation 41, the second propping inclined surface 61, the transverse guide hole 62, the first bolt 71, the vertical guide hole 72, the second bolt 81 and the material pressing spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in fig. 1-4, a compact double-sided internal bending mechanism comprises two molding male sliding blocks 1, two molding female sliding blocks 2, a lower mold driving block 3 and an upper mold driving block 4, wherein the two molding female sliding blocks 2 are positioned between the two molding male sliding blocks 1, the two molding female sliding blocks 2 are connected through a spring 5, when the lower mold driving block 3 is lifted upwards at a position between the two molding female sliding blocks 2, the two molding female sliding blocks 2 move in two different directions, and the two molding male sliding blocks 1 are controlled by the upper mold driving block 4 to move in the direction of the molding female sliding blocks 2. When the lower die driving block 3 is reset and descends, the spring 5 can pull the two forming female sliding blocks 2 to be close, and the bent part is convenient to take out.

Preferably, the bottoms of the corresponding ends of the two molding female sliding blocks 2 are respectively provided with a first inclined plane 21, two sides of the upper end of the lower die driving block 3 are respectively provided with a second inclined plane 31, and the middle part of the upper end of the lower die driving block 3 is provided with a spring abdicating groove 32. The spring yielding groove 32 can yield when the lower die driving block 3 rises to abut against the two forming female sliding blocks 2 to separate.

Preferably, the device further comprises two slide block guide plates 6, wherein the two slide block guide plates 6 are respectively arranged on two sides of the two molding female slide blocks 2, two transverse guide holes 61 are formed in the two slide block guide plates 6 at intervals, first bolts 62 are respectively arranged in the two transverse guide holes 61 in a penetrating mode, sliding grooves 22 are respectively formed in two sides of the molding female slide blocks 2, and the first bolts 62 are connected to the sliding grooves 22.

Preferably, the device further comprises a forming slide block guiding and fixing plate 7, wherein the forming slide block guiding and fixing plate 7 is connected to the outer side of the lower die driving block 3, a vertical guiding hole 71 is formed in the middle of the upper end of the forming slide block guiding and fixing plate 7, a second bolt 72 is arranged on the vertical guiding hole 71 in a penetrating mode, the second bolt 72 is in threaded connection with the middle of the slide block guiding and fixing plate 6, when the lower die driving block 3 moves upwards, the forming slide block guiding and fixing plate 7 moves upwards along with the upward movement, and the vertical guiding hole 71 can limit the lifting distance of the forming slide block guiding and fixing plate 7.

Preferably, the molding machine further comprises a pressing plate 8, wherein the pressing plate 8 is positioned above the molding female sliding block 2, and a pressing spring 81 is arranged on the pressing plate 8. The pressing spring 81 can push the pressing plate 8 to press the part, and prevent the part from moving.

Preferably, the two forming male sliders 1 comprise an L-shaped slider seat 11 and an L-shaped male slider 12, the L-shaped male slider 12 is arranged on the L-shaped slider seat 11, and a first propping inclined plane 13 is arranged at the end part of the L-shaped slider seat 11.

Preferably, the bottom of the upper die driving block 4 is provided with a second abutting inclined plane 41, and when the upper die driving block 4 drives the forming male sliding block 1 downwards, the second abutting inclined plane 41 contacts with the first abutting inclined plane 13. The upper die driving block 4 vertically descends, and the formed male sliding block 1 is pushed to transversely move by the action of the propping inclined plane, so that the two ends of the part are inwards bent.

Preferably, the axial middle part of the forming female slider 2 is provided with a spring perforation 23, and the end part of the spring 5 is penetrated out of the spring perforation 23 and fixed by a spring fixing nut 24.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and structure of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compact bilateral internal bending mechanism which characterized in that, includes two public sliders of shaping, two female sliders of shaping, lower mould drive piece and last mould drive piece, two female slider of shaping is located two between the public slider of shaping, two connect through the spring between the female slider of shaping, lower mould drive piece upwards jack-up in two when the position between the female slider of shaping, two female slider of shaping moves to two different directions, two the public slider of shaping is by one go up the control of mould drive piece to the direction of the female slider of shaping moves.

2. The compact bilateral inner bending mechanism of claim 1, wherein the bottoms of the corresponding ends of the two molding female sliding blocks are respectively provided with a first inclined plane, the two sides of the upper end of the lower die driving block are respectively provided with a second inclined plane, and the middle part of the upper end of the lower die driving block is provided with a spring abdicating groove.

3. The compact bilateral inner bending mechanism of claim 2, further comprising two slide guide plates, wherein the two slide guide plates are respectively arranged on two sides of the two molding female slide blocks, two transverse guide holes are formed in the two slide guide plates at intervals, first bolts are respectively arranged in the two transverse guide holes in a penetrating mode, sliding grooves are respectively formed in two sides of the molding female slide blocks, and the first bolts are connected to the sliding grooves.

4. The compact bilateral inner bending mechanism according to claim 3, further comprising a forming slide guiding and fixing plate, wherein the forming slide guiding and fixing plate is connected to the outer side of the lower die driving block, a vertical guiding hole is formed in the middle of the upper end of the forming slide guiding and fixing plate, a second bolt is arranged on the vertical guiding hole in a penetrating mode, the second bolt is connected to the middle of the slide guiding plate in a threaded mode, when the lower die driving block moves upwards, the forming slide guiding and fixing plate moves upwards along with the upper moving mode, and the vertical guiding hole can limit the lifting distance of the forming slide guiding and fixing plate.

5. The compact bilateral inner bending mechanism of claim 1, further comprising a pressure plate, wherein the pressure plate is positioned above the forming female slider, and wherein a pressure spring is provided on the pressure plate.

6. The compact bilateral inner bending mechanism of claim 1, wherein both the shaped male sliders comprise an L-shaped slider seat and an L-shaped male slider, the L-shaped male slider is disposed on the L-shaped slider seat, and a first abutment ramp is disposed at an end of the L-shaped slider seat.

7. The compact bilateral inner bending mechanism of claim 6, wherein a second abutment ramp is provided at the bottom of the upper die drive block, the second abutment ramp contacting the first abutment ramp when the upper die drive block drives the profiled male slider downward.

8. The compact bilateral inner bending mechanism of claim 1, wherein a spring perforation is provided in an axial middle portion of the shaped female slider, and an end portion of the spring is threaded through the spring perforation and is secured with a spring securing nut.