CN216655884U

CN216655884U - Plate bending device

Info

Publication number: CN216655884U
Application number: CN202123111613.7U
Authority: CN
Inventors: 吴志强; 陈岳俊
Original assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Current assignee: Guangdong Fuwa Equipment Manufacturing Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-03
Anticipated expiration: 2031-12-13

Abstract

The plate bending device comprises a lower die and an upper die positioned above the lower die, wherein a lower die surface is formed on the top surface of the lower die, an upper die surface is formed on the bottom surface of the upper die, and after the upper die and the lower die are closed, the upper die surface and the lower die surface are matched to form an extrusion space for extruding a plate; the lower die is provided with a supporting component, the supporting component comprises a movable rod, a supporting rod and a balancing weight, the middle of the movable rod is pivoted on the lower die, the supporting rod is fixedly connected to one end of the movable rod and supported below the part, exposed outside the extrusion space, of the plate, and the balancing weight is connected to the other end of the movable rod. Compared with the existing structure that a spring is adopted to separate a product from a lower die, the lever mechanism has a simple structure, and cannot be damaged by fatigue or locked, so that the bending device has better stability.

Description

Plate bending device

Technical Field

The utility model relates to the technical field of plate processing, in particular to a plate bending device.

Background

In the process of processing parts, it is generally necessary to press-bend the plate member into a predetermined shape, for example, a door stop of a container, one end of the door plate is fixed on one door plate of the container, and the other end of the door plate is pressed on the outer side of the other door plate, so that two bending parts need to be formed on the door baffle plate, when the door baffle is processed, a plate is bent and formed by a mould, after the pressing is finished, the upper mould is separated from the lower mould, the formed door baffle is jacked up by the spring pin on the lower mould, so that the door baffle is separated from the lower mould, the door baffle is convenient to take down from the lower mould, the structure of the bending device is complex, and when in use, the spring pin contracts downwards along with the pressing of the upper die, after working for a long time, the spring pin is pressed down for many times, so that the fatigue damage of the spring is easily caused, the normal work of the bending device is influenced, and the stability of the whole device is poor.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention aims to provide a plate bending device with simple structure and good stability.

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

the plate bending device is characterized by comprising a lower die and an upper die positioned above the lower die, wherein a lower die surface is formed on the top surface of the lower die, an upper die surface is formed on the bottom surface of the upper die, and after the upper die and the lower die are closed, the upper die surface and the lower die surface are matched to form an extrusion space for extruding a plate;

the lower die is provided with a supporting component, the supporting component comprises a movable rod, a supporting rod and a balancing weight, the middle part of the movable rod is pivoted on the lower die, the supporting rod is fixedly connected to one end of the movable rod and is supported below the part, exposed out of the extrusion space, of the plate, and the balancing weight is connected to the other end of the movable rod.

The supporting component comprises two movable rods which are respectively pivoted on two side faces of the lower die, the rotating axes of the two movable rods are overlapped, two ends of the supporting rod are respectively fixed at one end of the two movable rods, a connecting rod which is positioned at the front end part of the lower die is fixedly connected between the other ends of the two movable rods, and the balancing weight is fixed on the connecting rod.

The balancing weight is fixed in the middle of the length direction of the connecting rod in a detachable mode.

The support rod is provided with a limit groove, and the width of the limit groove is consistent with that of the plate.

Two stop blocks are fixed on the support rod, and the limit groove is enclosed by the surface of the support rod and the two stop blocks.

The stop block is movably sleeved on the support rod, a fixing screw penetrates through the stop block, and the inner side end of the fixing screw is pressed on the support rod.

The front end of the lower die surface is provided with a limiting surface.

A limit seat is detachably fixed on the lower die surface, and a limit surface is formed on the rear side surface of the limit seat.

The lower die is fixed with a guide post extending along the height direction, and the upper die is provided with a guide sleeve movably sleeved on the guide post.

The utility model has the beneficial effects that:

in the utility model, the movable rod, the balancing weight and the supporting rod form a lever mechanism, when the upper die and the lower die are opened, the balancing weight enables the supporting rod to be lifted according to the self gravity, a plate formed on the lower die is lifted, and a product is separated from the lower die.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of an operating state of the present invention;

fig. 4 is a schematic view of another working state of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 and 2, the plate bending apparatus according to the present invention, and more particularly, to a bending apparatus for a door baffle of a container, which specifically includes a lower mold 10, an upper mold 20 and a support assembly 30, wherein the upper mold 20 is located right above the lower mold 10, the upper mold 20 is vertically movable to close or open the lower mold 10, a top surface of the lower mold 10 forms a lower mold surface, a bottom surface of the upper mold 20 forms an upper mold surface, the upper mold surface and the lower mold surface are configured according to the shape of the door baffle, and after the upper mold and the lower mold are closed, the upper mold surface and the lower mold surface cooperate to form an extrusion space for extruding a plate, so that the plate material is extruded into the door baffle according to the preset shapes of the upper mold surface and the lower mold surface. The supporting assembly 30 is installed on the lower mold 10, specifically, the supporting assembly 30 includes a movable rod 31, a supporting rod 32, and a weight block 34, the middle portion of the movable rod 31 is pivotally connected to the lower mold 10, one end of the movable rod 31 extends to the rear end of the lower mold 10, the supporting rod 32 is connected to the one end of the movable rod 31, the other end of the movable rod 31 extends to the front end of the lower mold 10, the weight block 34 is connected to the other end of the movable rod 31, that is, the movable rod 31 forms a lever mechanism on the lower mold 10, the supporting rod 32 and the weight block are respectively connected to two end portions of the lever, the supporting rod 32 is used for supporting the plate, specifically, the supporting rod 32 is supported below a portion of the plate exposed outside the extrusion space.

Referring to fig. 3 and 4, when the present invention is used, a plate is placed on the lower die surface of the lower die 10, the counter weight 34 enables one end of the movable rod 31 extending to the front end of the lower die 10 to move downwards and be located at a low position, the support rod 32 and the lower die surface support the plate together, when the upper die 20 is pressed downwards, the upper die surface extrudes the plate, the plate is extruded by using the shapes of the upper die surface and the lower die surface, the plate is bent to form the door baffle 90, meanwhile, the support rod 32 is pushed downwards in the forming process of the door baffle 90, the counter weight 34 is lifted, when the upper die 20 and the lower die 10 are opened, the counter weight 34 falls down according to the self gravity because the door baffle 90 is not subjected to the downward force of the upper die, the support rod 32 is lifted upwards, and the formed door baffle 90 is lifted upwards, and then the door baffle 90 is separated from the lower die 10. In the utility model, the movable rod, the balancing weight and the supporting rod form a lever mechanism, when the upper die and the lower die are opened, the balancing weight enables the supporting rod to be lifted according to the self gravity, a plate formed on the lower die is lifted, and a product is separated from the lower die.

In a preferred embodiment, in order to enable the door stopper to be lifted smoothly after being formed, the support assembly 30 includes two movable rods 31, the middle portions of the two movable rods 31 are pivotally connected to two side surfaces of the lower mold 10 through rotating shafts, the rotating axes of the two movable rods 31 are overlapped, two ends of the support rod 32 are fixed to one end of the two movable rods 31, a connecting rod 33 located outside the front end of the lower mold is fixedly connected between the other ends of the two movable rods 31, and a weight block 34 is fixedly connected to the connecting rod 33. In order to adapt to bending of different plates, the counterweight 34 can be fixed on the connecting rod 33 by using a bolt 35, so that different counterweights 34 can be replaced when plates with different weights are used, in other embodiments, the counterweight 34 can be fixed on the connecting rod 33 in a detachable mode such as clamping and the like, and the counterweight 34 is preferably fixed at the middle position of the connecting rod 33 in the length direction.

In another preferred embodiment, in order to avoid the plate member shifting during bending, the present invention provides a limiting groove on the supporting rod 32, the width of the limiting groove is the same as the width of the plate member, when the plate member is placed on the upper mold surface, the tail of the plate member is placed in the limiting groove to limit the plate member. Specifically, two stoppers 36 may be disposed on the supporting rod 32, and the limiting is defined by the surface of the supporting rod 32 and the two stoppers 36; the stop block 36 is arranged to move along the length direction of the support rod 32, the movable sleeve of the stop block is arranged on the support rod 32, the stop block 35 is connected with a fixing screw in a penetrating manner, the inner side end of the fixing screw is pressed on the surface of the support rod 32, when plates with different widths are bent, the fixing screw can be loosened, the distance between the two stop blocks 36 is adjusted to be matched with the width of the plates, and then the fixing screw is screwed.

In addition, the front end of the lower die surface is also provided with a limiting surface, and when a plate is placed, the front end of the plate is abutted against the limiting surface, so that the bending precision of the plate is ensured; the lower die surface can be detachably fixed with a limiting seat 12, the limiting seat 12 can be fixed on the lower die through bolts, the rear side surface of the limiting seat 12 forms the limiting surface, and different limiting seats 12 can be replaced when different plates are bent.

A guide post 11 extending along the height direction is fixed on the lower die 10, a guide sleeve 21 movably sleeved on the guide post 11 is arranged on the upper die 20, and the upper die 20 can move up and down relative to the lower die 10 along the guide post 11.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The plate bending device is characterized by comprising a lower die and an upper die positioned above the lower die, wherein a lower die surface is formed on the top surface of the lower die, an upper die surface is formed on the bottom surface of the upper die, and after the upper die and the lower die are closed, the upper die surface and the lower die surface are matched to form an extrusion space for extruding a plate;

2. The apparatus for bending a plate member according to claim 1, wherein the support member includes two movable rods pivotally connected to both side surfaces of the lower mold, respectively, and the rotational axes of the two movable rods coincide with each other, both ends of the support rod are fixed to one end of the two movable rods, respectively, a connecting rod located at a front end portion of the lower mold is fixedly connected between the other ends of the two movable rods, and the weight member is fixed to the connecting rod.

3. The plate bending apparatus as claimed in claim 2, wherein the weight member is detachably fixed to a middle portion in a length direction of the connecting rod.

4. The panel bending apparatus according to claim 2, wherein the support bar is provided with a limiting groove having a width corresponding to a width of the panel.

5. The panel bending apparatus according to claim 4, wherein the support bar is fixed with two stoppers, and the limiting groove is defined by the surface of the support bar and the two stoppers.

6. The plate bending apparatus according to claim 5, wherein the stopper is movably fitted over the support rod, and a fixing screw is inserted through the stopper, and an inner end of the fixing screw abuts against the support rod.

7. The panel press bending apparatus according to claim 1, wherein a stopper surface is provided at a front end of the lower die surface.

8. The panel bending apparatus according to claim 7, wherein a stopper seat is detachably fixed to the lower die surface, and a rear side surface of the stopper seat forms the stopper surface.

9. The apparatus for bending a plate member according to claim 1, wherein the lower die is fixed with guide posts extending in the height direction, and the upper die is provided with guide sleeves movably fitted over the guide posts.