CN213944413U

CN213944413U - Bending machine

Info

Publication number: CN213944413U
Application number: CN202022829746.7U
Authority: CN
Inventors: 曹浩磊
Original assignee: Jiangmen Guang Run Rail Transportation Industry Co ltd
Current assignee: Jiangmen Guang Run Rail Transportation Industry Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-13
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a bending machine, including frame, last mould, push down drive, bed die and the drive of pushing up, go up the mould and can install in the frame with reciprocating, including the cutter, push down the drive and be used for the drive to go up mould downstream, the bed die can install in the frame with reciprocating to set up under last mould, be provided with the sword groove that suits with the cutter, push up the drive and be used for driving the bed die upward movement. According to the utility model discloses a bending machine can improve the precision of bending.

Description

Bending machine

Technical Field

The utility model relates to a processing technology field of bending, in particular to bender.

Background

The heat exchanger is an important part of air conditioning equipment and is widely applied. In the manufacturing process of the heat exchanger, the bending precision has an important influence on the heat exchange performance of the heat exchanger. In the existing bending machine, when the thickness of a plate is large, the bending angle can not meet the preset requirement easily and can not meet the requirement of machining precision due to insufficient lower punching pressure of a cutter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bending machine can improve the precision of bending.

According to the utility model discloses bender, include: a frame; the upper die is arranged on the rack in a manner of moving up and down and comprises a cutter; the pressing drive is used for driving the upper die to move downwards; the lower die is arranged on the rack in a vertically movable manner, is arranged right below the upper die and is provided with a cutter groove matched with the cutter; and the upper pressing drive is used for driving the lower die to move upwards.

According to the utility model discloses bender of first aspect embodiment has following technological effect at least: when the downward movement of the upper die is driven by the downward pressing, the upward movement of the lower die is driven by the upward pressing, the upper and lower pressures are simultaneously applied to the plate, the bending angle can not meet the preset requirement due to insufficient lower punching force, and the bending precision is improved.

According to some embodiments of the invention, the knife slot is a smooth arc slot.

According to some embodiments of the utility model, the bed die is including positioner, positioner set up in the lateral wall in sword groove for the location work piece position of bending.

According to some embodiments of the utility model, positioner is including telescopic link and location ball, telescopic link one end with the lateral wall in sword groove is connected, the other end with the location ball is connected.

According to some embodiments of the invention, the positioning ball is rotatably mounted on the telescopic rod.

According to some embodiments of the present invention, the frame comprises a gantry-type support and a table, the gantry-type support is disposed above the table; the upper die is arranged on the gantry type bracket; the lower die is mounted on the workbench.

According to some embodiments of the present invention, the working table includes a fixed member and a sliding member that can move up and down, the sliding member is mounted on the fixed member, and the lower mold is mounted on the sliding member; the upper pressure drive comprises a vertically arranged hydraulic telescopic cylinder, the hydraulic telescopic cylinder is installed on the fixing piece, and the telescopic end of the hydraulic telescopic cylinder is connected with the sliding piece and used for driving the sliding piece to move up and down.

According to the utility model discloses a some embodiments, the slider is provided with a plurality of screw holes, the bed die pass through the screw with the cooperation of screw hole install in on the slider.

According to some embodiments of the present invention, the gantry-type support comprises two cross bars and two vertical bars; two ends of the cross rod are movably connected with the two vertical rods respectively, and the upper die is arranged on the cross rod; the push-down driving device comprises a hydraulic rotating cylinder and a conveying belt, the hydraulic rotating cylinder is installed on the vertical rod, and the hydraulic rotating cylinder drives the cross rod to move up and down through the conveying belt.

According to some embodiments of the utility model, go up the mould including the convex part, the horizontal pole be provided with the recess that the convex part suited, the convex part with the inner wall butt of recess.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a bending machine according to an embodiment of the present invention;

fig. 2 is a schematic view of a lower die of the bending machine according to the embodiment of the present invention.

Reference numerals:

a bending machine 10,

A frame 20, a gantry type support 21, a workbench 22, a sliding part 23, a cross bar 24, a vertical bar 25,

An upper die 30, a cutter 31,

A downward pressing drive 40,

A lower die 50, a cutter groove 51, a positioning device 52,

The upward pressure drive 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Bending machine 10 according to an embodiment of the present invention is described below with reference to fig. 1 to 2.

As shown in fig. 1, bending machine 10 according to the embodiment of the present invention includes a frame 20, an upper die 30, a lower press driver 40, a lower die 50, and an upper press driver 60.

As shown in fig. 1, the upper mold 30 is mounted on the frame 20 to be movable up and down, and includes a cutter 31, a lower press driver 40 for driving the upper mold 30 to move down, and a lower mold 50 mounted on the frame 20 to be movable up and down, and disposed right below the upper mold 30, and provided with a cutter groove 51 corresponding to the cutter 31, and an upper press driver 60 for driving the lower mold 50 to move up. The sheet material is placed on the lower die 50, and the upper die 30 is moved downward to press the sheet material into the knife grooves 51, so that the sheet material forms a bending angle with an upward opening. While the upper mold 30 moves downward, the lower mold 50 moves upward, assisting in pressing the sheet materials at both ends of the knife groove 51 upward.

The utility model discloses bender 10, push down drive 40 and move down and go up mould 30 simultaneously, push up drive 60 and move up lower mould 50 to the panel about exerting pressure simultaneously, be favorable to avoiding not reaching the predetermined requirement because of the not enough bending angle that leads to of lower thrust, improve the precision of bending.

In some embodiments of the present invention, as shown in fig. 2, the knife slot 51 is a smooth arc-shaped slot. When the plate is pressed into the cutter groove 51, the plate is contacted with the smooth arc-shaped groove, so that the workpiece is prevented from being scratched, and the processing quality is improved.

In some embodiments of the present invention, as shown in fig. 2, the lower mold 50 includes a positioning device 52, and the positioning device 52 is disposed on the sidewall of the knife slot 51 for positioning the bending position of the workpiece. By providing the positioning device 52, the depth of the plate pressed into the knife groove is detected and fed back, and the precision of the bending angle can be improved.

In some embodiments of the present invention, the positioning device 52 comprises a telescopic rod and a positioning ball, one end of the telescopic rod is connected to the side wall of the knife slot 51, and the other end is connected to the positioning ball. By adopting the telescopic rod and the positioning ball, when the workpiece is contacted with the positioning ball, the telescopic rod drives the positioning ball to contract inwards, so that the workpiece is prevented from being scratched, and the processing quality is improved. It is conceivable that the measurement of the workpiece may also be realized by a photoelectric sensor, and the above embodiment is only one of the preferred embodiments of the present invention.

In some embodiments of the present invention, the positioning ball is rotatably mounted on the telescoping rod. The locating ball rotates and sets up, and when panel and locating ball contacted, the locating ball rotated from top to bottom along with the panel removal, was favorable to avoiding the work piece to be scraped the flower, improved processingquality, reduced the locating ball simultaneously and hit the possibility of damaging, reduced the equipment maintenance cost.

In some embodiments of the present invention, the frame 20 includes a gantry support 21 and a workbench 22, the gantry support 21 is disposed above the workbench 22, the upper mold 30 is mounted on the gantry support 21, and the lower mold 50 is mounted on the workbench 22. Adopt planer-type support 21 mode, simple structure, the consumptive material is less, is convenient for install mould 30.

In some embodiments of the present invention, the working platform 22 includes a fixing member and a sliding member 23 capable of moving up and down, the sliding member 23 is installed on the fixing member, the lower mold 50 is installed on the sliding member 23, the upward pressing driver 60 includes a hydraulic telescopic cylinder vertically disposed, the hydraulic telescopic cylinder is installed on the fixing member, and the telescopic end of the hydraulic telescopic cylinder is connected with the sliding member 23 for driving the sliding member 23 to move up and down. It is conceivable that the slider 23 may be driven to move by a servo motor or the like, and the above embodiment is only one of the preferred embodiments of the present invention.

In some embodiments of the present invention, the sliding member 23 is provided with a plurality of screw holes, and the lower mold 50 is mounted on the sliding member 23 by the cooperation of the screws and the screw holes. Through setting up a plurality of screw holes, can be according to the processing position demand, through the mounted position of adjusting the screw, install lower mould 50 on the different positions of slider 23 to can be according to the demand of processing length, change the lower mould 50 of different length. The connection between the lower die 50 and the sliding piece 23 is realized in a screw and screw hole formula mode, so that the lower die 50 is convenient to adjust and better, and different processing requirements are met.

In some embodiments of the utility model, gantry support 21 is including two horizontal poles 24 and two montants 25, and the both ends of horizontal pole 24 are movably connected with two montants 25 respectively, go up mould 30 and install on horizontal pole 24, push down drive 40 including hydraulic pressure revolving cylinder and conveyer, and hydraulic pressure revolving cylinder installs on montant 25, and hydraulic pressure revolving cylinder passes through conveyer drive horizontal pole 24 and reciprocates. It is conceivable that the cross bar 24 may be driven to move up and down by a stepping motor, and the hydraulic rotary cylinder has a lower cost, and the above embodiment is only one of the preferred embodiments of the present invention. It should be understood that the transmission between the hydraulic rotary cylinder and the cross bar 24 may be a chain transmission or a gear transmission, and the above embodiments are only illustrative and not limited in particular.

In some embodiments of the present invention, the upper mold 30 includes a convex portion, and the cross bar 24 is provided with a groove corresponding to the convex portion, and the convex portion abuts against the inner wall of the groove. Go up mould 30 and pass through convex part and recess matched with mode joint on horizontal pole 24 for it is difficult for dropping to go up mould 30, can improve equipment stability.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A bending machine, comprising:

a frame;

the upper die is arranged on the rack in a manner of moving up and down and comprises a cutter;

the pressing drive is used for driving the upper die to move downwards;

the lower die is arranged on the rack in a vertically movable manner, is arranged right below the upper die and is provided with a cutter groove matched with the cutter;

and the upper pressing drive is used for driving the lower die to move upwards.

2. The bending machine according to claim 1, wherein said knife slot is a smooth arc-shaped slot.

3. The bending machine according to claim 1, wherein the lower die comprises a positioning device, and the positioning device is arranged on the side wall of the cutter groove and used for positioning a workpiece bending position.

4. The bending machine according to claim 3, wherein the positioning device comprises a telescopic rod and a positioning ball, one end of the telescopic rod is connected with the side wall of the cutter groove, and the other end of the telescopic rod is connected with the positioning ball.

5. The bending machine according to claim 4, wherein said positioning ball is rotatably mounted on said telescoping rod.

6. The bending machine according to claim 1, wherein the frame comprises a gantry-type support and a workbench, and the gantry-type support is arranged above the workbench; the upper die is arranged on the gantry type bracket; the lower die is mounted on the workbench.

7. The bending machine according to claim 6, wherein the worktable comprises a fixed member and a sliding member capable of moving up and down, the sliding member is mounted on the fixed member, and the lower die is mounted on the sliding member; the upper pressure drive comprises a vertically arranged hydraulic telescopic cylinder, the hydraulic telescopic cylinder is installed on the fixing piece, and the telescopic end of the hydraulic telescopic cylinder is connected with the sliding piece and used for driving the sliding piece to move up and down.

8. The bending machine according to claim 7, wherein the sliding member is provided with a plurality of screw holes, and the lower die is mounted on the sliding member by screws engaged with the screw holes.

9. The bending machine according to claim 6, wherein said gantry comprises two crossbars and two vertical bars; two ends of the cross rod are movably connected with the two vertical rods respectively, and the upper die is arranged on the cross rod; the push-down driving device comprises a hydraulic rotating cylinder and a conveying belt, the hydraulic rotating cylinder is installed on the vertical rod, and the hydraulic rotating cylinder drives the cross rod to move up and down through the conveying belt.

10. The bending machine according to claim 9, wherein said upper die comprises a protrusion, said crossbar is provided with a groove adapted to said protrusion, and said protrusion abuts against an inner wall of said groove.