CN215657196U

CN215657196U - High-precision numerical control bending machine

Info

Publication number: CN215657196U
Application number: CN202121372924.6U
Authority: CN
Inventors: 陈进喜; 高爱勇
Original assignee: Zhangzhou Endexin Metal Products Co ltd
Current assignee: Zhangzhou Endexin Metal Products Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-28
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a high-precision numerical control bending machine, which belongs to the technical field of bending equipment and comprises a workbench, a pressing plate and a lower template, wherein the pressing plate and the lower template are arranged on the workbench, two sliding grooves are symmetrically arranged at two ends of the lower template of the workbench, sliding blocks which are embedded with the sliding grooves are connected in the two sliding grooves in a sliding manner, one ends of the sliding blocks, far away from the sliding grooves, are connected with supporting templates with the same shape and size as the lower template, baffle plates are arranged at the ends, far away from each other, of the two supporting templates, a bottom plate is arranged on one side of the workbench along the length direction of the sliding grooves, a left guide block and a right guide block are correspondingly arranged on the positions of the two supporting templates on the bottom plate, are respectively connected with the two supporting templates and are driven by a driving device to drive the two supporting templates to slide towards the directions, which are close to or far away from each other, and can prevent the profile from deforming in the bending process, the bending precision of the section bar is improved.

Description

High-precision numerical control bending machine

Technical Field

The utility model relates to the technical field of bending equipment, in particular to a high-precision numerical control bending machine.

Background

The numerical control bending machine is a workpiece which is used for bending a metal plate in a cold state into various geometric cross-sectional shapes by utilizing an equipped die (a general or special die), is a plate forming machine designed for cold-rolled sheet metal machining, is widely applied to plate bending machining in industries such as automobile, airplane manufacturing, light industry, shipbuilding, containers, elevators, railway vehicles and the like, and is practical for small and medium-sized sections.

When the existing numerical control bending machine is used, a plate is dragged and positioned manually, but the mode consumes manpower and material resources, and easily causes damage to operators, so that certain potential safety hazards exist.

Therefore, the improvement is made by those skilled in the relevant technical field, for example, chinese patent publication No. CN210876880U discloses "a high precision numerical control bending machine", which includes a workbench, a hydraulic oil cylinder mounted on the workbench, a press plate mounted at the output end of the bottom of the hydraulic oil cylinder, and a lower template mounted on the workbench and located below the press plate; the front half area of the top end of the workbench is provided with two groups of transverse front sliding grooves, the rear half area of the top end of the workbench is provided with two groups of transverse rear sliding grooves, the workbench further comprises a front supporting plate, a rear supporting plate, a front sliding plate, a left supporting plate, a right supporting plate, a rear sliding plate and a positioning device, and the positioning device comprises a front supporting plate, a rear supporting plate, two groups of limiting rods, a lead screw, a positioning plate and an adjusting motor.

Nevertheless technical scheme in this application file still exists not enoughly, if the length of bending the lower mould in the bender in this utility model is certain, only is applicable to the production middle-size and small-size section bar, when to some longer section bars of length, leads to the both ends cavity of section bar easily to lead to the problem that the section bar appears deformation at the in-process of bending, and then influence the effect of bending of section bar.

Based on the technical scheme, the utility model designs the high-precision numerical control bending machine to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision numerical control bending machine to solve the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy numerical control bender, includes the workstation and installs clamp plate, lower bolster on the workstation, the workstation is provided with two spouts, two in lower bolster both ends symmetry the spout in all slide be connected with the sliding block of spout looks gomphosis, the sliding block is kept away from the one end of spout and is connected with the support template unanimous with lower bolster shape size, two the one end of keeping away from each other of support template all is provided with the baffle, workstation one side is followed be provided with the bottom plate on the length direction of spout, on the bottom plate in two correspond on the position of support template and be provided with left guide block and right guide block, left side guide block and right guide block are connected with two support templates respectively and are driven its two support templates of driving by drive arrangement and are toward the direction that is close to each other or keep away from and slide.

Preferably, drive arrangement is including setting up in the two connecting plates at bottom plate both ends and rotating the belt of connecting between two connecting plates, upper strata, the lower floor of belt respectively with left guide block, right guide block rigid coupling, the belt is driven by rotating motor.

Preferably, be provided with the direction slide rail on its length direction along the bottom plate, it is connected with two direction sliders to slide on the direction slide rail, two the direction slider respectively with left guide block, right guide block rigid coupling.

Preferably, the cross section of the sliding groove is in an isosceles trapezoid shape, and the longer bottom edge of the sliding groove is far away from one side of the sliding block.

Preferably, the side of the workbench, which is close to the lower template, is provided with scale marks along the length direction.

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

when the utility model is used, firstly, the section bar is placed on the workbench, the section bar is bent by the pressing plate and the lower template, when the length of the section bar is longer, the driving device is started, the left guide block and the right guide block drive the two supporting templates to slide in the direction away from each other under the driving of the driving device until the distance between the two supporting templates is slightly larger than the length of the section bar, then the section bar is placed on the workbench, the driving device is started, the two supporting templates slide in the direction approaching to each other under the driving of the driving device until the surfaces of the two baffle plates abut against the two ends of the section bar, the two ends of the sectional material are supported through the two supporting templates, and the sectional material is clamped and fixed through the two baffles, so that the phenomenon that the two ends of the sectional material are hollow in the bending process can be prevented, the beneficial effects of preventing the sectional material from deforming in the bending process and improving the bending precision of the sectional material are achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of a salient driving device according to the present embodiment;

FIG. 3 is a partial sectional view of the cam slot of the present embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a work table; 2. pressing a plate; 3. a lower template; 4. a chute; 5. a sliding block; 6. supporting the template; 7. a baffle plate; 8. a base plate; 9. a drive device; 91. a connecting plate; 92. a belt; 93. rotating the motor; 10. a left guide block; 11. a right guide block; 12. a guide slide rail; 13. a guide slider; 14. scale lines; 15. connecting blocks; 16. a fixing sheet; 17. and connecting the bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high accuracy numerical control bender, include workstation 1 and install clamp plate 2 on workstation 1, lower bolster 3, workstation 1 is provided with two spouts 4 in 3 both ends symmetries of lower bolster, all slide in two spouts 4 and be connected with the sliding block 5 with spout 4 looks gomphosis, sliding block 5 keeps away from the one end of spout 4 and is connected with the supporting template 6 unanimous with lower bolster 3 shape size, the one end that two supporting template 6 kept away from each other all is provided with baffle 7, be provided with bottom plate 8 on the length direction of spout 4 is followed to workstation 1 one side, it is provided with left guide 10 and right guide 11 to correspond on the position of two supporting template 6 on the bottom plate 8, left guide 10 and right guide 11 pass through connecting block 15 fixed connection with two supporting template 6 respectively, and it drives two supporting template 6 by drive arrangement 9 and slides toward the direction of being close to each other or keeping away from.

As shown in fig. 1, the side of the workbench 1 close to the lower template 3 is provided with scale marks 14 along the length direction thereof, and the distance between the two supporting templates 6 can be adjusted quickly by setting the scale marks 14, so that the workbench is convenient to use and the bending efficiency is improved.

As shown in fig. 2, the driving device 9 includes two connecting plates 91 disposed at two ends of the bottom plate 8 and a belt 92 rotatably connected between the two connecting plates 91, an upper layer and a lower layer of the belt 92 are respectively fixedly connected to the left guide block 10 and the right guide block 11 through a fixing plate 16, the belt 92 is driven by a rotating motor 93, the rotating motor 93 is fixedly connected to the worktable 1 through a connecting bracket 17, when the rotating motor 93 starts to work, the belt 92 rotates under the driving of the rotating motor 93, and drives the left guide block 10 and the right guide block 11 to slide toward or away from each other.

As shown in fig. 2, a guide slide rail 12 is arranged on the bottom plate 8 along the length direction thereof, the guide slide rail 12 is connected with two guide sliders 13 in a sliding manner, the two guide sliders 13 are respectively fixedly connected with the left guide block 10 and the right guide block 11, and the sliding of the left guide block 10 and the right guide block 11 can be guided by the sliding fit of the guide slide rail 12 and the guide sliders 13, so that the problem of angular deviation of the left guide block 10 or the right guide block 11 in the sliding process is prevented, and the bending precision is not affected.

As shown in fig. 3, the cross section of the sliding groove 4 is isosceles trapezoid, and the longer bottom edge of the sliding groove is the side far away from the sliding block 5, and by arranging the sliding groove 4 with the cross section in isosceles trapezoid shape, the sliding block 5 can be embedded into the sliding groove 4, the displacement of the sliding block 5 in the vertical direction is limited, and the problem that the sliding block 5 is separated from the sliding groove 4 in the sliding process is prevented.

One specific application of this embodiment is:

when the bending device is used, firstly, a section is placed on a workbench 1, the section is bent through a pressing plate 2 and a lower template 3, when the length of the section is long, a rotating motor 93 is started, a belt 92 is driven by the rotating motor 93 to rotate and drives a left guide block 10 and a right guide block 11 to slide, the left guide block 10 and the right guide block 11 drive two supporting templates 6 to slide in the direction away from each other through a connecting block 15, the distance between the two supporting templates 6 is slightly larger than the length of the section through the size of a reference scale mark 14, then the section is placed on the workbench 1, the two supporting templates 6 are driven by the rotating motor 93 to slide in the direction approaching each other until the surfaces of the two baffle plates 7 abut against the two ends of the section, the two ends of the section are supported through the two supporting templates 6, the two baffle plates 7 are clamped and fixed, and then the section is bent through the pressing plate 2 and the lower template 3, wherein, the cooperation of sliding of direction slide rail 12 and direction slider 13 can play the guide effect to sliding of two supporting template 6, prevents to appear the problem of two supporting template 6 angular deflection at the in-process that slides.

In conclusion, through the structures of the two supporting templates 6, the left guide block 10, the right guide block 11 and the driving device 9, the hollow phenomenon at two ends of the sectional material in the bending process can be prevented, so that the sectional material is prevented from being deformed in the bending process, and the bending precision of the sectional material is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a high accuracy numerical control bender, includes workstation (1) and installs clamp plate (2), lower bolster (3) on workstation (1), its characterized in that: two sliding chutes (4) are symmetrically arranged at two ends of the lower template (3) of the workbench (1), sliding blocks (5) which are embedded with the sliding chutes (4) are connected in the two sliding chutes (4) in a sliding manner, one end of the sliding block (5) far away from the sliding chute (4) is connected with a supporting template (6) with the same shape and size as the lower template (3), one end of the two supporting templates (6) far away from each other is provided with a baffle (7), a bottom plate (8) is arranged on one side of the workbench (1) along the length direction of the sliding chute (4), a left guide block (10) and a right guide block (11) are correspondingly arranged on the bottom plate (8) at the positions of the two supporting templates (6), the left guide block (10) and the right guide block (11) are respectively connected with the two supporting templates (6) and driven by the driving device (9) to drive the two supporting templates (6) to slide towards the direction close to or away from each other.

2. A high precision numerically controlled bending machine according to claim 1, wherein: drive arrangement (9) are including setting up two connecting plates (91) at bottom plate (8) both ends and rotating belt (92) of connecting between two connecting plates (91), upper strata, the lower floor of belt (92) respectively with left guide block (10), right guide block (11) rigid coupling, belt (92) are by rotating motor (93) drive.

3. A high precision numerically controlled bending machine according to claim 1, wherein: be provided with direction slide rail (12) on bottom plate (8) along its length direction, it is connected with two direction slider (13) to slide on direction slide rail (12), two direction slider (13) respectively with left guide block (10), right guide block (11) rigid coupling.

4. A high precision numerically controlled bending machine according to claim 1, wherein: the cross section of the sliding chute (4) is in an isosceles trapezoid shape, and the longer bottom edge of the sliding chute is far away from one side of the sliding block (5).

5. A high precision numerically controlled bending machine according to claim 1, wherein: and scale marks (14) are arranged on one side of the workbench (1) close to the lower template (3) along the length direction of the workbench.