CN111136139A

CN111136139A - Intelligent numerical control stepless regulation and control bending machine with improved structure

Info

Publication number: CN111136139A
Application number: CN201911131500.8A
Authority: CN
Inventors: 孔燕成; 夏立法; 郭德仓
Original assignee: Ningbo Changyang Machinery Industry Co ltd
Current assignee: Ningbo Changyang Machinery Industry Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-05-12
Anticipated expiration: 2039-11-19
Also published as: CN111136139B

Abstract

The invention discloses an intelligent numerical control stepless regulation and control bending machine with an improved structure, which comprises a pneumatic lifting base, wherein a plurality of lower die clamping mechanisms capable of being in rolling connection with a lower die plate are equidistantly installed at the top of the pneumatic lifting base, and end limiting mechanisms capable of being in rolling connection with the lower die plate are respectively arranged at two ends of the top of the pneumatic lifting base.

Description

Intelligent numerical control stepless regulation and control bending machine with improved structure

Technical Field

The invention relates to the technical field of metal section bending forming devices, in particular to an intelligent numerical control stepless regulation and control bending machine with an improved structure.

Background

At present, metal sections with a certain bending amount are widely applied to production and life, and are particularly widely applied to manufacturing of airplanes and automobiles, in order to obtain metal sections with a preset bending amount, the metal sections need to be bent and formed, for example, aluminum materials applied to automobile sunroof guide rails need to be bent and formed during processing, when automobile sunroof aluminum guide rail bending equipment in the prior art is used, workpieces are mostly directly placed on a lower die of the bending equipment and are bent through pressing fit of an upper die, and in the bending process, the lower die is bent along with the workpieces, so that the bending process of labor price is completed.

However, when the lower template in the prior art is installed, the clamping cylinder mostly pushes the clamping block to move, and the clamping base is matched to forcibly extrude the lower template, so that the installation and fixation of the lower template are realized, although the lower template is made of a nylon material with a certain resilience rate, when the clamping cylinder is clamped too tightly, although the lower template is installed stably, the lower template is positioned in the middle section between the clamping cylinders, and is forcibly stretched when the lower template is bent and processed, even if the stretching deformation is small, the service life of the lower template can be seriously influenced in the continuous processing process, when the clamping cylinder is clamped too loosely, the forcible stretching of the lower template can be effectively avoided, but the lower template can be enabled to move relative to the clamping top block under the influence of extrusion and bending in the bending process, and reset after the lower template is bent, losing the extruded spacing, having caused it to be difficult to reset, add man-hour in next crooked extrusion, will cause the extrusion shrinkage of forcing to it, also can seriously influence its life, and then need frequently change the lower bolster, increased the use cost of equipment, and frequent dismouting process also can be very big influence the efficiency of normal production processing, for this reason, we provide an intelligent numerical control stepless regulation and control bending machine who improves the structure.

Disclosure of Invention

The invention aims to provide an intelligent numerical control stepless regulation and control bending machine with an improved structure, which can effectively prolong the service life of a lower template, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an improve stepless regulation and control bending machine of intelligence numerical control of structure, including pneumatic lift base, a plurality of lower mould clamping mechanism that can with lower bolster roll connection are installed to pneumatic lift base top equidistance, and pneumatic lift base top both ends all are provided with can with lower bolster roll connection's tip stop gear, in order to be different from prior art, when guaranteeing to effectively install the lower bolster fixedly, in sunroof aluminum guide rail bending process, can effectively avoid the lower bolster by the compulsory tensile or compulsory extruded situation, thereby effectively improve the life of lower bolster, and then the use cost of effective control equipment, and avoid frequent dismouting and influence the efficiency of normal production and processing.

Preferably, the lower die clamping mechanism comprises a clamping base, the clamping base is fixed on the top of the pneumatic lifting base, a lower die limiting groove is formed in the clamping base, a clamping top block is movably arranged in the lower die limiting groove, a bending groove is formed in the inner wall of the top of the lower die limiting groove, the lower die limiting groove is communicated with the bending groove, a clamping cylinder is arranged on any one side of the outer portion of the clamping base, the clamping cylinder is fixed with the pneumatic lifting base, the output end of the clamping cylinder movably penetrates through the side wall of one side of the lower die limiting groove and then is fixed with the clamping top block, a rolling connecting piece is movably arranged on both the inner wall of one side of the lower die limiting groove, which is far away from the clamping cylinder, and one side of the clamping top block, which is far away from the clamping cylinder, and the lower die clamping mechanism is arranged to, so as to effectively prolong the service life of the device.

Preferably, tip stop gear includes spacing base, spacing base is fixed at pneumatic lift base tip, and spacing base is close to one side of lower mould clamping mechanism and has been seted up and has been inserted the spacing groove that closes, insert and close the spacing inslot both sides inner wall and also all be provided with roll connection spare, through tip stop gear, then can carry out effectual concentric spacing to the lower bolster to the assurance supports the high efficiency of work piece, with the crooked processing of assurance high quality.

Preferably, the rolling connection comprises a plurality of balls.

Preferably, the limiting base comprises a fixing base and a cover plate, the fixing base is fixed at the end part of the pneumatic lifting base, an inserting groove is formed in one side, close to the lower die clamping mechanism, of the top of the fixing base, a plurality of balls are arranged on inner walls of two sides of the inserting groove respectively, the cover plate is movably mounted at the top of the fixing base, a bending groove communicated with the inserting groove is also formed in the cover plate, the inserting groove and the bending groove jointly form an inserting limiting groove, and the lower die plate and the end part limiting mechanism can be conveniently matched and used through the arranged limiting base.

Preferably, a plurality of fixing bolts penetrate through the cover plate in a movable mode, the cover plate is movably connected with the fixing seat through the fixing bolts, the cover plate is convenient to disassemble and assemble through the arranged fixing bolts, and therefore the end limiting mechanism is convenient to install and use.

Preferably, fixing base top both sides all are provided with joint spare, and the fixing base passes through joint spare and apron swing joint, through joint spare, then when guaranteeing effective fixed spacing, has further improved the convenience of apron dismouting.

Preferably, the joint spare includes the block inserted block, the block inserted block is fixed at the fixing base top, the joint slot that runs through is all seted up to the apron both sides, the block inserted block is inserted with the joint slot respectively and is closed, and block inserted block top both sides all seted up the joint recess, the notch position of joint recess all slides and is provided with the bayonet lock, and all is provided with the elastic component in the joint recess, the elastic component both ends are fixed with bayonet lock and joint recess inner wall respectively.

Compared with the prior art, the invention has the beneficial effects that:

compared with the prior art, the lower template is effectively installed and fixed, and meanwhile, the condition that the lower template is forcibly stretched or extruded can be effectively avoided in the bending process of the automobile skylight aluminum guide rail, so that the service life of the lower template is effectively prolonged, the use cost of equipment and equipment is effectively controlled, and the influence on the normal production and processing efficiency caused by frequent disassembly and assembly is avoided.

Drawings

FIG. 1 is a schematic view of a prior art bender construction;

FIG. 2 is a schematic view of the structure of the lower template mounting portion shown in FIG. 1;

FIG. 3 is a schematic top view of the whole structure of embodiment 1 of the present invention;

FIG. 4 is a schematic side view of a lower mold clamping mechanism according to embodiment 1 of the present invention;

FIG. 5 is a schematic side view of an end stop mechanism according to embodiment 1 of the present invention;

FIG. 6 is a schematic side view of the structure of embodiment 2 of the present invention;

FIG. 7 is a schematic top view of the structure of embodiment 2 of the present invention;

FIG. 8 is a schematic side view of the structure of embodiment 3 of the present invention;

FIG. 9 is a schematic top view of the structure of embodiment 3 of the present invention;

fig. 10 is a schematic top view of a cover plate according to embodiment 3 of the present invention;

FIG. 11 is a side view partially in section of the present invention in FIG. 8;

FIG. 12 is a schematic side view, partially cross-sectional view of a snap-fit insert in embodiment 3 of the present invention;

FIG. 13 is an enlarged view of the area A in example 3 of the present invention;

fig. 14 is a schematic view of the overall structure of embodiment 4 of the present invention.

In the figure: 1-a pneumatic lifting base; 2-a lower die clamping mechanism; 3-an end limiting mechanism; 4-clamping the base; 5-lower die limiting groove; 6-clamping the top block; 7-bending the groove; 8-a clamping cylinder; 9-rolling connection; 10-a limit base; 11-inserting a limit groove; 12-a ball bearing; 13-a fixed seat; 14-a cover plate; 15-a mating slot; 16-a fixing bolt; 17-a clip; 18-a snap-fit insert; 19-a clamping slot; 20-clamping the groove; 21-bayonet lock; 22-an elastic member; 23-a roller; 24-a compression spring; 25-orienting the telescoping rod.

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.

Example 1

Referring to fig. 3-5, the present invention provides a technical solution: an intelligent numerical control stepless regulation and control bending machine with an improved structure comprises a pneumatic lifting base 1, wherein the pneumatic lifting base 1 is a lower template mounting structure in the stepless regulation and control bending machine in the prior art, and redundant description is omitted;

the utility model discloses a pneumatic lifting base, including pneumatic lifting base 1, pneumatic lifting base, lower bolster rolling connection's lower mould clamping mechanism 2, and pneumatic lifting base 1 top equidistance is installed a plurality of lower mould clamping mechanism 2 that can with lower bolster rolling connection, and 1 top both ends of pneumatic lifting base all are provided with can with lower bolster rolling connection's tip stop gear 3, through can with lower bolster rolling connection's lower mould clamping mechanism 2 and tip stop gear 3, then be different from prior art, when guaranteeing effectively to install fixedly the lower bolster, in sunroof aluminum guide rail bending process, can effectively avoid the lower bolster by the compulsory tensile or compulsory extruded situation, thereby effectively improve the life of lower bolster, and then the use cost of effective control equipment, and avoid frequent dismouting and influence the efficiency of normal production and processing.

The lower die clamping mechanism 2 comprises a clamping base 4, the clamping base 4 is fixed on the top of the pneumatic lifting base 1, a lower die limiting groove 5 which penetrates through the clamping base 4 is formed in the clamping base 4, the lower die limiting groove 5 is of a strip-shaped groove body structure and is used for a lower die plate to penetrate through positioning when in use, a clamping jacking block 6 is movably arranged in the lower die limiting groove 5, a bending groove 7 which penetrates through and is communicated with the inner wall of the top of the lower die limiting groove 5 is formed in the inner wall of the top of the lower die limiting groove 5, the bending groove 7 is used for placing labor price and is matched with the upper die plate so as to finish bending processing, a clamping cylinder 8 is arranged on any one side of the outer portion of the clamping base 4, the clamping cylinder 8 is fixed with the pneumatic lifting base 1, the output end of the clamping cylinder 8 movably penetrates through the side wall of one side of the lower die limiting groove 5 and is fixed with the clamping jacking block 6, a, when using, the lower bolster passes behind lower mould spacing groove 5 to die clamping cylinder 8 promotes and presss from both sides tight kicking block 6 displacement, and cooperates 5 inner walls of lower mould spacing groove, and it is fixed to carry out the centre gripping to the lower bolster, is different from prior art, and at the fixed in-process of centre gripping, the lower bolster contacts and extrudees each other with roll connector 9, through roll connector 9, under the prerequisite of guaranteeing effective centre gripping installation, in order to avoid its lower bolster by the centre gripping tension and by force tensile or extrusion shrink.

The tip stop gear 3 includes spacing base 10, spacing base 10 is fixed at 1 tip of pneumatic lift base, and spacing base 10 is close to one side of lower mould clamping mechanism 2 and has been seted up and has been inserted and close spacing groove 11, insert and close spacing groove 11 both sides inner wall and also all be provided with roll connection 9, after carrying out effectual centre gripping location to the lower bolster through lower mould clamping mechanism 2 to insert respectively with the lower bolster both ends and insert and close the spacing groove 11 in, and realize roll connection through roll connection 9, thereby it is spacing to carry out the lower bolster tip, with the concentricity of guaranteeing lower bolster and cope match-plate pattern, and then guarantee the crooked processing of high quality.

The rolling connection 9 comprises a plurality of balls 12, by means of which balls 12 a good rolling connection is ensured.

Example 2

Referring to fig. 6 to 7, the present invention provides an optimized technical solution of embodiment 1: the limiting base 10 comprises a fixed base 13 and a cover plate 14, the fixed base 13 is fixed at the end part of the pneumatic lifting base 1, one side of the top of the fixed base 13, which is close to the lower die clamping mechanism 2, is provided with an insertion groove 15, the insertion groove 15 is of a strip groove body structure, a plurality of balls 12 are respectively arranged on the inner walls of two sides of the insertion groove 15, the cover plate 14 is movably arranged at the top of the fixed base 13, the cover plate 14 is also provided with a bending groove 7 communicated with the insertion groove 15, the insertion groove 15 and the bending groove 7 jointly form an insertion limiting groove 11, when in use, after the lower die plate is fixed by the lower die clamping mechanism 2, the end part of the lower die plate is pressed into the insertion groove 15 in the fixed base 13 and is in rolling connection through the balls 12, then the cover plate 14 and the fixed base 13 are fixed, so that the end part of the lower die plate can be conveniently fixed and limited, and the, the fixing and limiting work of the end part of the lower template is more convenient.

A plurality of fixing bolts 16 penetrate through the cover plate 14 in a movable mode, the cover plate 14 is movably connected with the fixing seat 13 through the fixing bolts 16 and fixed through the fixing bolts 16, the cover plate 14 and the fixing seat 13 are convenient to disassemble and assemble, and therefore limiting work of the end portion of the lower template is effectively facilitated.

Example 3

Referring to fig. 8-13, the present invention provides an optimized technical solution of embodiment 2: fixing base 13 top both sides all are provided with joint spare 17, and fixing base 13 passes through joint spare 17 and apron 14 swing joint, through joint spare 17, then when guaranteeing that apron 14 and fixing base 13 are effectively fixed, further make things convenient for the dismouting fixed work of apron 14 with fixing base 13 to further make things convenient for the fixed spacing work of lower bolster tip.

The clamping piece 17 comprises a clamping and inserting block 18, the clamping and inserting block 18 is preferably but not limited to a polygonal column structure, the clamping and inserting block 18 is fixed at the top of the fixing seat 13, both sides of the cover plate 14 are respectively provided with a through clamping slot 19, the structure of the clamping slot 19 is matched with the structure of the clamping and inserting block 18, the clamping and inserting block 18 is respectively inserted and combined with the clamping slot 19, both sides of the top end of the clamping and inserting block 18 are respectively provided with a clamping groove 20, the clamping groove 20 is preferably but not limited to a polygonal groove body structure, clamping pins 21 are slidably arranged at the notch positions of the clamping grooves 20, elastic pieces 22 are respectively arranged in the clamping grooves 20, the elastic pieces 22 are used for providing elastic displacement restoring capability, both ends of the elastic pieces 22 are respectively fixed with the clamping pins 21 and the inner walls of the clamping grooves 20, when in use, after the end part of the lower template is pressed into the clamping slot 15, the clamping and inserting, after the cover plate is completely inserted, the bayonet 21 is ejected under the elastic action of the elastic piece 22 and then is clamped with the cover plate 14 so as to conveniently fix the cover plate 14 with the fixed seat 13, and during disassembly, the bayonet 21 is pressed into the clamping groove 20, the elastic piece 22 is extruded to shrink, and then the clamping insertion block 18 is separated from the cover plate 14.

Elastic component 22 includes compression spring 24 and directional telescopic link 25, compression spring 24 and directional telescopic link 25 both ends are equallyd divide and are do not fixed with bayonet lock 21 and joint recess 20, through compression spring 24 and directional telescopic link 25, then when guaranteeing to provide effective elastic restoring force, can also effectively guarantee bayonet lock 21's stability, and then in long-time use, can effectively guarantee the stability that apron 14 and fixing base 13 are connected.

Example 4

Referring to fig. 14, the present invention provides an optimized technical solution of embodiments 1 to 3: the rolling connecting piece 9 can also comprise a plurality of rolling shafts 23, and the rolling shafts 23 are arranged to ensure effective rolling connection and replace the rolling balls 12 through the rolling shafts 23, so that the installation quantity of the rolling balls 12 is effectively reduced, and the device is convenient to assemble and use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improve intelligent numerical control stepless regulation and control bending machine of structure, includes pneumatic lift base (1), its characterized in that: a plurality of lower die clamping mechanisms (2) which can be in rolling connection with the lower die plate are installed at the top of the pneumatic lifting base (1) at equal intervals, and end limiting mechanisms (3) which can be in rolling connection with the lower die plate are arranged at two ends of the top of the pneumatic lifting base (1).

2. The intelligent numerical control stepless regulation and control bending machine with the improved structure as claimed in claim 1, is characterized in that: the lower die clamping mechanism (2) comprises a clamping base (4), the clamping base (4) is fixed on the top of the pneumatic lifting base (1), a lower die limiting groove (5) which penetrates through the clamping base (4) is arranged in the clamping base, a clamping jacking block (6) is movably arranged in the lower die limiting groove (5), and the inner wall of the top of the lower die limiting groove (5) is provided with a through and communicated bending groove (7), a clamping cylinder (8) is arranged at any side of the outer part of the clamping base (4), the clamping cylinder (8) is fixed with the pneumatic lifting base (1), the output end of the clamping cylinder (8) movably penetrates through the side wall of one side of the lower die limiting groove (5) and then is fixed with the clamping top block (6), and a rolling connecting piece (9) is movably arranged on the inner wall of one side of the lower die limiting groove (5) far away from the clamping cylinder (8) and on one side of the clamping ejector block (6) far away from the clamping cylinder (8).

3. The intelligent numerical control stepless regulation and control bending machine with the improved structure as claimed in claim 2, is characterized in that: tip stop gear (3) are including spacing base (10), spacing base (10) are fixed at pneumatic lift base (1) tip, and just spacing base (10) are close to one side of lower mould clamping mechanism (2) and have been seted up and have been inserted and close spacing groove (11), it also all is provided with roll connecting piece (9) to insert and close spacing groove (11) both sides inner wall.

4. The intelligent numerical control stepless regulation bender with the improved structure as claimed in claim 3, characterized in that: the rolling connection (9) comprises a plurality of balls (12).

5. The intelligent numerical control stepless regulation and control bending machine with the improved structure as claimed in claim 4, is characterized in that: spacing base (10) include fixing base (13) and apron (14), fixing base (13) are fixed at pneumatic lift base (1) tip, and fixing base (13) top is close to one side of lower mould clamping mechanism (2) and has seted up insertion groove (15), and is a plurality of ball (12) set up insertion groove (15) both sides inner wall respectively, apron (14) movable mounting is at fixing base (13) top, and also sets up on apron (14) and insert bending groove (7) that closes groove (15) intercommunication, insertion groove (15) and bending groove (7) constitute jointly and insert spacing groove (11).

6. The intelligent numerical control stepless regulation and control bending machine with the improved structure according to claim 5 is characterized in that: a plurality of fixing bolts (16) penetrate through the cover plate (14) movably, and the cover plate (14) is movably connected with the fixing seat (13) through the fixing bolts (16).

7. The intelligent numerical control stepless regulation and control bending machine with the improved structure according to claim 5 is characterized in that: fixing base (13) top both sides all are provided with joint spare (17), and fixing base (13) are through joint spare (17) and apron (14) swing joint.

8. The intelligent numerical control stepless regulation bender with the improved structure as claimed in claim 7, characterized in that: joint spare (17) are including block (18) are inserted to the block, block (18) are inserted to the block and are fixed at fixing base (13) top, joint slot (19) that run through are all seted up to apron (14) both sides, block insert block (18) are inserted respectively with joint slot (19) and are closed, and joint insert block (18) top both sides all seted up joint recess (20), the notch position of joint recess (20) all slides and is provided with bayonet lock (21), and all is provided with elastic component (22) in joint recess (20), elastic component (22) both ends are fixed with bayonet lock (21) and joint recess (20) inner wall respectively.