CN223011578U

CN223011578U - Upper and lower die structure of hydraulic numerical control bending machine

Info

Publication number: CN223011578U
Application number: CN202422419811.7U
Authority: CN
Inventors: 周翔; 陶娟
Original assignee: Nanjing Fenbao Cnc Machine Tool Co ltd
Current assignee: Nanjing Fenbao Cnc Machine Tool Co ltd
Priority date: 2024-10-08
Filing date: 2024-10-08
Publication date: 2025-06-24
Anticipated expiration: 2034-10-08

Abstract

The utility model relates to the technical field of bending machines, specifically to an upper and lower die structure of a hydraulic CNC bending machine, comprising an operating table and a hydraulic press, a hydraulic press is installed on the top of the operating table, an upper die mechanism is installed on the bottom of the hydraulic press, the upper die mechanism comprises a limit block, an upper die is inserted inside the limit block, four groups of screws are arranged at the connection between the upper die and the limit block, a pad is installed on the table top of the operating table, a lower die mechanism is installed on the upper side of the pad, the lower die mechanism comprises a lower main die, the front end of the lower main die is connected to the rear end of a pushing component, a T-shaped groove provided in the limit block can be used to insert different types of upper die to make installation and replacement more convenient and quick, the lower auxiliary die can move in a slide rail to adjust the angle of a plate to achieve bending effects of different angles of the plate, and the lower auxiliary die can be quickly driven to move in the middle by a driving component to reduce moving time and improve efficiency.

Description

Upper and lower die structure of hydraulic numerical control bending machine

Technical Field

The utility model relates to the technical field of bending machines, in particular to an upper and lower die structure of a hydraulic numerical control bending machine.

Background

With the continuous development of industry, the requirements on the processing precision and efficiency of the metal sheet are higher and higher. The traditional bending machine mainly depends on manual operation, so that not only is the precision difficult to guarantee, but also the production efficiency is low. Under the condition, the numerical control bending machine is generated, an advanced numerical control technology is adopted by the numerical control bending machine, and high-precision bending processing of the plate can be realized through precise programming control. The bending angle and pressure parameters can be automatically adjusted, and the processing precision and consistency are greatly improved. Meanwhile, the degree of automation of the numerical control bending machine is high, manual operation can be greatly reduced, production efficiency is improved, labor intensity is reduced, in addition, the numerical control bending machine has multifunction, plates in various shapes and sizes can be processed, and requirements of different industries are met. The bending machine is widely applied to the fields of automobile manufacturing, aerospace, electrical appliance manufacturing, construction and the like, provides powerful support for the development of the industries, bends a plate to be free from an upper die structure and a lower die structure, for example, patent document with publication number CN212703755U discloses a stamping die applied to the bending machine, comprises an upper die base and a lower die base which are detachably fixed on the bending machine, and further comprises an upper concave die which is fixed on the upper die base and can move along the vertical direction along with the upper die base and a lower convex die which is fixed on the lower die base and is used for placing products, wherein the upper concave die and the lower convex die are arranged up and down oppositely and are of a flat plate structure. The stamping die applied to the bending machine comprises an upper die base, a lower die base, an upper female die and a lower male die, wherein the upper female die is fixedly connected with the bending machine through the upper die base and can be driven by the bending machine to move up and down relative to the lower male die, so that simple stamping or stretching operation is completed, the stamping die is simple in structure, particularly suitable for being used for simple stamping operation of some products with small batch and large size, not only can the utilization rate of the bending machine be improved, but also some products with large size can be processed by utilizing the length of the bending machine, and the stamping cost is reduced.

Disclosure of utility model

The utility model aims to provide an upper die and lower die structure of a hydraulic numerical control bending machine, which solves the problems that the prior dies provided in the background art cannot be used for adjusting angles of large plates when bending, and the dies can be used only after being taken out integrally, so that the working efficiency is affected because the dies are difficult to replace.

In order to achieve the purpose, the upper and lower die structure of the hydraulic numerical control bending machine comprises an operation table and a hydraulic press, wherein the hydraulic press is arranged at the top end of the operation table, the upper die mechanism is arranged at the bottom end of the hydraulic press and comprises a limiting block, an upper die is inserted into the limiting block, four groups of screws are arranged at the joint of the upper die and the limiting block, a base plate is arranged on the table top of the operation table, a lower die mechanism is arranged on the upper side of the base plate, the lower die mechanism comprises a lower main die, the front end of the lower main die is connected with the rear end of a pushing assembly, the front end of the pushing assembly penetrates through the bottom side of a lower auxiliary die, and the lower auxiliary die is arranged at the front end of the base plate.

Preferably, the top of stopper is installed in the bottom of hydraulic press, T shape recess has been seted up to the inside of stopper, two sets of last circular holes that run through have all been seted up to the bottom both sides of T shape recess, four sets of go up the vertical upside in circular hole has seted up four sets of limit round holes.

Preferably, the upper die is arranged in the T-shaped groove in a clamping mode, an upper bending block is arranged in the center of the bottom side of the upper die, four groups of lower round holes are formed in two sides of the upper die, and the four groups of lower round holes are communicated with the four groups of upper round holes.

Preferably, the clamping groove is formed in the rear side of the top end of the base plate, and the sliding rails are arranged on two sides of the top end of the base plate.

Preferably, the front end center of the lower main die is fixedly provided with a limiting sleeve, and the bottom end of the lower main die is inserted into the clamping groove.

Preferably, the bottom both sides of lower vice mould are installed in the top side of slide rail, the bottom center of lower vice mould is equipped with the protruding piece, the center of protruding piece runs through the center of pushing component.

Preferably, the pushing assembly comprises a servo motor, the servo motor is arranged on the front side of the top end of the base plate, the rear end of the servo motor is in driving connection with a screw rod, a long barrel nut is arranged in the center of the screw rod, the rear end of the long barrel nut is fixedly arranged on the bottom side of the front end of the lower auxiliary die, and the rear end of the screw rod penetrates through the lower auxiliary die and is inserted into the limiting sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

The upper die and lower die structure of the hydraulic numerical control bending machine can be inserted with upper dies of different types through T-shaped grooves formed in the limiting blocks, so that the upper dies are more convenient and rapid to install and replace, four groups of lower round holes formed in the upper dies can be better matched with the upper round holes formed in the limiting blocks, and the limiting blocks and the upper dies can be quickly installed by using screws.

The lower main die of different angles can be placed through the draw-in groove that the backing plate of setting was offered to this upper and lower mould structure of hydraulic numerical control bender be convenient for bend to different panel, thereby can carry out angle adjustment and realize the effect of bending of panel different angles in the slide rail through the lower vice mould that is equipped with, can remove in going on through the drive assembly and reduce moving time raise the efficiency.

Drawings

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

FIG. 2 is an exploded view of the upper die mechanism of the present utility model;

FIG. 3 is a schematic top view of the lower die mechanism of the present utility model;

FIG. 4 is a schematic side view in cross section of the lower die mechanism of the present utility model.

In the figure, 1, an operation table, 2, a hydraulic press, 3, an upper die mechanism, 31 and a limiting block;

311. T-shaped groove, 312, upper round hole, 313, limit round hole, 32, upper die;

321. The upper bending block, 322, the lower round hole, 33, the screw, 4, the backing plate, 41, the clamping groove, 42, the sliding rail, 5, the lower die mechanism, 51, the lower main die, 511, the limit sleeve, 52, the lower auxiliary die, 521, the protruding block, 53, the pushing component, 531, the servo motor, 532, the screw rod, 533 and the long barrel nut.

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.

Referring to fig. 1-4, an embodiment of the present utility model is provided:

The utility model provides a hydraulic numerical control bender upper and lower mould structure, including operation panel 1 and hydraulic press 2, the hydraulic press 2 is installed on the top of operation panel 1, mould mechanism 3 is installed to the bottom of hydraulic press 2, go up mould mechanism 3 and include stopper 31, the inside of stopper 31 is inserted and is equipped with mould 32, the junction of mould 32 and stopper 31 is equipped with four sets of screw 33 and fixes, backing plate 4 is installed to the mesa of operation panel 1, lower mould mechanism 5 is installed to the upside of backing plate 4, lower mould mechanism 5 includes lower master mould 51, the rear end of pushing component 53 is connected to the front end of lower master mould 51, the front end of pushing component 53 runs through the bottom side of lower vice mould 52, the front end at backing plate 4 is installed to lower vice mould 52.

As a further feature of the utility model, the top end of the limiting block 31 is mounted at the bottom end of the hydraulic machine 2, a T-shaped groove 311 is formed in the limiting block 31, two groups of through upper circular holes 312 are formed in two sides of the bottom end of the T-shaped groove 311, four groups of limiting circular holes 313 are formed in the vertical upper sides of the four groups of upper circular holes 312, the upper die 32 is clamped in the T-shaped groove 311, an upper bending block 321 is arranged in the center of the bottom side of the upper die 32, four groups of lower circular holes 322 are formed in two sides of the upper die 32, the four groups of lower circular holes 322 are communicated with the four groups of upper circular holes 312, the upper die is convenient to replace, and the efficiency is improved.

Further, the clamping groove 41 is formed in the rear side of the top end of the backing plate 4, the sliding rails 42 are arranged on two sides of the top end of the backing plate 4, and the lower main die with different angles can be placed so as to be convenient for bending different plates.

As a further aspect of the present utility model, the front end center of the lower main mold 51 is fixedly provided with the limiting sleeve 511, the bottom end of the lower main mold 51 is inserted into the clamping groove 41, both sides of the bottom end of the lower auxiliary mold 52 are installed at the top side of the sliding rail 42, the bottom end center of the lower auxiliary mold 52 is provided with the protruding block 521, the center of the protruding block 521 penetrates through the center of the pushing component 53, the pushing component 53 comprises the servo motor 531, the servo motor 531 is installed at the front end front side of the backing plate 4, the rear end of the servo motor 531 drives the connecting screw 532, the center of the screw 532 is provided with the long barrel nut 533, the rear end of the long barrel nut 533 is fixedly arranged at the bottom side of the front end of the lower auxiliary mold 52, the rear end of the screw 532 penetrates through the lower auxiliary mold 52 and is inserted into the limiting sleeve 511, and the lower auxiliary mold can move in the sliding rail to adjust angles of the plate, so as to achieve bending effects of different angles of the plate.

When the plate bending device is used, a user firstly places a plate on the upper side of a lower main die 51 and a lower auxiliary die 52 in a lower die mechanism 3, then electrifies and starts a hydraulic press 2 to descend an upper die 32 in the upper die mechanism 3, the lower die 32 descends to drive an upper bending block 321 on the bottom side to bend the plate on the bottom side, when the upper bending block 321 needs to be replaced or maintained, the upper die 32 can be taken out after four groups of screws 33 at the bottom end of a limiting block 31 are turned first to be screwed off, then the upper die 32 needing to be replaced is pushed into a T-shaped groove 311 in the limiting block 31, then four groups of lower circular holes 322 formed on two sides of the upper die 32 and four groups of upper circular holes 312 formed on the T-shaped groove 311 can be fixed in the limiting circular hole 313 by penetrating threads through the screws 33, when the lower main die 51 needs to be replaced only in a clamping groove 41 formed in a backing plate 4, when other angles need to be replaced, a servo motor 531 needs to drive a screw 532 to rotate, a long cylinder 533 which can be driven to be installed after the screw 532 is pushed in the lower auxiliary die 52, the distance between the plate and the plate bending device can be adjusted to be the whole working principle of the plate bending device 51.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The upper die and lower die structure of the hydraulic numerical control bending machine comprises an operation table (1) and a hydraulic machine (2), wherein the hydraulic machine (2) is installed at the top end of the operation table (1), the hydraulic machine is characterized in that an upper die mechanism (3) is installed at the bottom end of the hydraulic machine (2), the upper die mechanism (3) comprises a limiting block (31), an upper die (32) is inserted into the limiting block (31), four groups of screws (33) are arranged at the joint of the upper die (32) and the limiting block (31) to be fixed, a base plate (4) is installed on the table top of the operation table (1), a lower die mechanism (5) is installed on the upper side of the base plate (4), the lower die mechanism (5) comprises a lower main die (51), the front end of the lower main die (51) is connected with the rear end of a pushing assembly (53), the front end of the pushing assembly (53) penetrates through the bottom side of a lower auxiliary die (52), and the lower auxiliary die (52) is installed at the front end of the base plate (4).

2. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein the top end of the limiting block (31) is arranged at the bottom end of the hydraulic machine (2), a T-shaped groove (311) is formed in the limiting block (31), two groups of through upper round holes (312) are formed in two sides of the bottom end of the T-shaped groove (311), and four groups of limiting round holes (313) are formed in the vertical upper sides of the four groups of upper round holes (312).

3. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein the upper die (32) is clamped inside the T-shaped groove (311), an upper bending block (321) is arranged in the center of the bottom side of the upper die (32), four groups of lower round holes (322) are formed in two sides of the upper die (32), and the four groups of lower round holes (322) are communicated with the four groups of upper round holes (312).

4. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein the rear side of the top end of the base plate (4) is provided with a clamping groove (41), and two sides of the top end of the base plate (4) are provided with sliding rails (42).

5. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein a limiting sleeve (511) is fixedly arranged in the center of the front end of the lower main die (51), and the bottom end of the lower main die (51) is inserted into the clamping groove (41).

6. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein two sides of the bottom end of the lower auxiliary die (52) are arranged on the top side of the sliding rail (42), a protruding block (521) is arranged at the center of the bottom end of the lower auxiliary die (52), and the center of the protruding block (521) penetrates through the center of the pushing component (53).

7. The upper and lower die structure of the hydraulic numerical control bending machine according to claim 1, wherein the pushing assembly (53) comprises a servo motor (531), the servo motor (531) is installed at the front side of the top end of the base plate (4), the rear end of the servo motor (531) is in driving connection with a screw rod (532), a long barrel nut (533) is arranged in the center of the screw rod (532), the rear end of the long barrel nut (533) is fixedly arranged at the bottom side of the front end of the lower auxiliary die (52), and the rear end of the screw rod (532) penetrates through the lower auxiliary die (52) to be inserted into the limiting sleeve (511).