Electro-hydraulic synchronous numerical control bending machine controlled by double servo pumps

Abstract

The utility model relates to the technical field of bending machines, in particular to a double-servo-pump-controlled electro-hydraulic synchronous numerical control bending machine which comprises an assembling bottom plate, an assembling front frame and an assembling rear frame are assembled on the front side and the rear side of the upper portion of the assembling bottom plate respectively, a lower driving set is assembled on the lower portion of the assembling front frame, and a lower truss is assembled above the lower driving set in a supporting mode. An upper driving set is assembled on the upper portion of the assembling front frame, an upper truss is hoisted and supported below the upper driving set, the lower driving set and the upper driving set are symmetrically arranged, the lower driving set comprises a first abutting beam and a second abutting beam, and three sets of hydraulic cylinders are supported at the bottom of the first abutting beam; a first screw cylinder and a second screw cylinder are assembled at the bottom of the second abutting beam in a supporting mode, and the hydraulic cylinders and the first screw cylinder are evenly distributed in a staggered mode. Combined dual-drive control can be conveniently carried out according to use requirements, and bending operation is more stable, convenient and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine, concretely to a double servo pump control electrohydraulic synchronous numerical control bending machine. BACKGROUND

[0002] In the field of metal plate processing, the bending machine is a very important equipment, widely used in mechanical manufacturing, automobile industry, aerospace, building decoration and many other industries, for bending the metal plate according to the specific angle and shape, with the continuous development of science and technology, the bending machine is also constantly updated and iterated, and the corresponding bending device can be selected according to the use needs.

[0003] For this, China application patent number: CN202322319422.2, discloses a bending machine, belongs to the technical field of bending machine, including the body, the inner side of the body is installed the tool rest, the outer side of the tool rest is fixedly connected with the dynamic mode, the inner side of the body is fixedly installed with the lower mould, the outer side of the body is fixedly connected with the fixed base, the fixed base is provided with the drive mechanism, the drive mechanism is fixedly connected with the mounting plate, the one end of the mounting plate close to the body is fixedly connected with the base, the one end of the mounting plate close to the body is slidably connected with the clamping plate.

[0004] However, the existing bending device is not convenient to combine double drive according to the use needs, which can cause local damage and affect the use efficiency.

[0005] Therefore, in order to solve the above problems, a double servo pump control electrohydraulic synchronous numerical control bending machine is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a double servo pump control electrohydraulic synchronous numerical control bending machine to solve the problems of the existing bending device inconvenient to combine double drive according to the use needs, easy to cause local damage and affect the use efficiency in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a double servo pump control electrohydraulic synchronous numerical control bending machine, including the assembly bottom plate, the front and rear sides of the assembly bottom plate top are respectively equipped with the assembly front frame and the assembly rear frame, the lower part of the assembly front frame is equipped with the lower drive group, and the lower drive group top is supported and equipped with the lower truss, the upper part of the assembly front frame is equipped with the upper drive group, and the upper drive group lower part is hoisted and supported with the upper truss, and the lower drive group and the upper drive group are symmetrically arranged, the lower drive group includes the pressure beam one and the pressure beam two, the bottom of the pressure beam one is supported with three groups of hydraulic cylinders, the bottom of the pressure beam two is supported and equipped with the screw cylinder one and the screw cylinder two, and the hydraulic cylinder and the screw cylinder one are staggered and evenly distributed.

[0008] As a further further of this scheme, the assembled front frame and assembled rear frame are externally covered with assembled front plates and assembled side plates, and the middle part of the assembled front plate is provided with a bending operation window corresponding to the lower truss and the upper truss, the middle part of the front side wall of the assembled front plate is electrically assembled with a control panel corresponding to the lower drive group and the upper drive group, and the lower part of the front side wall of the assembled front plate is assembled with a control pedal corresponding to the control panel.

[0009] As a further further of this scheme, the assembled rear frame is internally assembled on the left side with a lower servo hydraulic pump station corresponding to the lower drive group and the hydraulic cylinder, and the right side of the assembled rear frame is symmetrically assembled with an upper servo hydraulic pump station corresponding to the upper drive group, and the lower servo hydraulic pump station and the upper servo hydraulic pump station are electrically connected with the control panel.

[0010] As a further further of this scheme, the lower drive group further comprises an assembly support, and the assembly support is supported and assembled at the bottom of the hydraulic cylinder and the screw cylinder one and the screw cylinder two, the bottom of the screw cylinder one and the screw cylinder two is assembled with the bottom of the assembly support through the inner bearing, and the upper outer wall of the screw cylinder one and the screw cylinder two is supported and assembled with a bearing stand, the two side edges of the assembly support are fixed with side stoppers, the two side walls of the front and rear walls of the lower truss are integrally fixed with limit protrusions, and the limit protrusions are clamped in the inner wall of the side stopper, and the inner wall of the side stopper is provided with a limit sliding slot corresponding to the limit protrusion.

[0011] As a further further of this scheme, the upper part of the pressing beam one and the pressing beam two is trapezoidal, and the upper part of the pressing beam one and the pressing beam two is inclined inward, the bottom of the pressing beam one is assembled with a sleeve cylinder one corresponding to the hydraulic cylinder, and the bottom of the pressing beam two is also assembled with a corresponding sleeve cylinder two, the lower part of the sleeve cylinder two is assembled with an inner stud, and the two groups of inner studs are respectively screwed into the inside of the screw cylinder one and the screw cylinder two.

[0012] As a further further of this scheme, the inside of the assembly support is internally assembled with a servo motor, and the output end of the servo motor is assembled with a speed reducer, the output end of the speed reducer is assembled with a drive shaft, the drive shaft is fixed at the bottom of the screw cylinder one, and the bottom of the screw cylinder one and the bottom of the screw cylinder two are symmetrically assembled with a transmission wheel and a driven wheel, and the transmission wheel and the driven wheel are connected by a belt.

[0013] As a further further of this scheme, the bottom surface of the pressing beam two is fixed with a lower sliding rod on both sides and in the middle, the outer sliding sleeve is fixed on the surface of the assembly support, the lower sliding rod is fixed with an inner ring at the bottom, the outer sliding sleeve is externally provided with a spring, and the spring is located between the inner wall of the outer sliding sleeve and the inner ring.

[0014] As a further further of this scheme, the lower drive group is provided with a tension spring on both sides, and the upper and lower ends of the tension spring are assembled on the surface of the assembly support and the bottom surface of the lower truss through positioning pins.

[0015] Compared with the prior art, the utility model has the advantages that: the utility model is convenient to combine double drive control according to use needs, makes the bending operation more stable convenient high efficiency;

[0016] 1, the utility model discloses a lower drive group and upper drive group are set up, under the same drive control setting, it is convenient to drive the upper drive group work and carry out the upper movement type bending according to in use, or drive the lower drive group work and carry out the lower movement type bending, make operation use more convenient high efficiency, through this design, improve the convenience and practicality of double servo pump control electro-hydraulic synchronous numerical control bending machine.

[0017] 2, the utility model discloses the setting has and presses down crossbeam one and presses down crossbeam two, and it is convenient to assist the double drive of lower drive group, that is, can be assisted hydraulic telescopic drive through the cooperation of hydraulic cylinder under the cooperation of lower servo hydraulic pump station, or through the cooperation of screw cylinder one and screw cylinder two, under the drive of servo motor and speed reducer, carry out mechanical lifting jacking, and under the control of control panel and control pedal, it is convenient to control presses down crossbeam one and presses down crossbeam two and jacks up the lower truss, and under the cooperation of upper drive group, it is also convenient to press the upper truss under the cooperation of upper servo hydraulic pump station, so that operation use is more convenient and efficient, and it is not easy to use due to local damage, so that subsequent operation use is more convenient and efficient, through this design, improve the convenience and practicality of double servo pump control electro-hydraulic synchronous numerical control bending machine. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the utility model internal structure front view three-dimensional schematic diagram;

[0019] Figure 2 It is the utility model whole structure front view three-dimensional schematic diagram;

[0020] Figure 3 It is the utility model whole structure rear view three-dimensional schematic diagram;

[0021] Figure 4 It is the utility model lower drive group partial structure side view sectional three-dimensional schematic diagram;

[0022] Figure 5 It is the utility model lower drive group partial structure bottom view three-dimensional schematic diagram;

[0023] In the figure: 100, assembly base; 101, lower truss; 102, upper truss; 103, side frame; 104, limiting protrusion; 105, limiting slide; 110, assembly front frame; 120, assembly rear frame; 130, assembly front plate; 131, assembly side plate; 132, bending operation window; 140, control panel; 141, control foot pedal; 200, lower drive group; 201, assembly bracket; 210, pressure beam 1; 211, foot sleeve 1; 212, hydraulic cylinder; 220, pressure beam 2; 221, screw barrel one; 222, screw barrel two; 223, inner stud; 224, sleeve barrel two; 225, stand with bearing; 230, servo motor; 231, reducer; 232, drive shaft; 240, transmission wheel; 241, driven wheel; 242, belt; 250, lower slide rod; 251, outer sliding sleeve; 252, inner retaining ring; 253, spring; 260, tension spring; 261, positioning pin; 300, upper drive group; 400, lower servo hydraulic pump station; 500, upper servo hydraulic pump station. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1-5 , an embodiment provided by the utility model:

[0026] A dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine includes an assembly base plate 100, and an assembly front frame 110 and an assembly rear frame 120 are respectively assembled on the front and rear sides above the assembly base plate 100. A lower drive group 200 is assembled at the lower part of the assembly front frame 110, and a lower truss 101 is assembled above the lower drive group 200. An upper drive group 300 is assembled at the upper part of the assembly front frame 110, and an upper truss 102 is hoisted and supported below the upper drive group 300. The lower drive group 200 and the upper drive group 300 are symmetrically arranged. The lower drive group 200 includes a first pressing beam 210 and a second pressing beam 220. The bottom of the first pressing beam 210 supports three groups of hydraulic cylinders 212. The bottom of the second pressing beam 220 supports and is equipped with a first screw barrel 221 and a second screw barrel 222, and the hydraulic cylinders 212 and the first screw barrel 221 are staggered and evenly distributed.

[0027] As a more detailed embodiment of the present embodiment, the outer cover of the assembled front frame 110 and the assembled rear frame 120 is assembled with the assembled front plate 130 and the assembled side plate 131, and the middle part of the assembled front plate 130 is provided with a bending operation window 132 corresponding to the lower truss 101 and the upper truss 102, and the middle part of the front side wall of the assembled front plate 130 is electrically assembled with a control panel 140 corresponding to the lower drive group 200 and the upper drive group 300, and the lower part of the front side wall of the assembled front plate 130 is assembled with a control pedal 141 corresponding to the control panel 140. Therefore, in use, it is convenient to electrically connect and control the lower drive group 200 and the upper drive group 300, so that the use is more convenient;

[0028] As a more detailed embodiment of the present embodiment, the left side of the assembled rear frame 120 is assembled with a lower servo hydraulic pump station 400 corresponding to the lower drive group 200 and the hydraulic cylinder 212, and the right side of the assembled rear frame 120 is symmetrically assembled with an upper servo hydraulic pump station 500 corresponding to the upper drive group 300, and the lower servo hydraulic pump station 400 and the upper servo hydraulic pump station 500 are electrically connected with the control panel 140. Therefore, in use, it is convenient to control the lower servo hydraulic pump station 400 and the upper servo hydraulic pump station 500, so that the driving operation is more convenient;

[0029] As a more detailed embodiment of the present embodiment, the lower drive group 200 further comprises an assembly support 201, and the assembly support 201 supports the assembly of the hydraulic cylinder 212 and the screw cylinder one 221 and the screw cylinder two 222 at the bottom, the bottom of the screw cylinder one 221 and the screw cylinder two 222 is assembled with the bottom of the assembly support 201 through the inner bearing, and the upper part of the outer wall of the screw cylinder one 221 and the screw cylinder two 222 is supported and assembled with a bearing stand 225, and the two side edges of the assembly support 201 are fixed with side stoppers 103, and the two side walls of the lower truss 101 are integrally fixed with limiting blocks 104, and the limiting blocks 104 are clamped in the inner wall of the side stopper 103, and the inner wall of the side stopper 103 is provided with a limiting sliding groove 105 corresponding to the limiting block 104. Therefore, in use, it is convenient to support and assemble the lower drive group 200 and limit the lifting of the lower truss 101, so that the operation and use are more convenient;

[0030] As a more detailed embodiment of the present embodiment, the upper parts of the pressing cross beams 1 and 2 are arranged in a trapezoidal shape, and the upper parts of the pressing cross beams 1 and 2 are inclined inward, the bottom of the pressing cross beam 1 is equipped with a sleeve cylinder 1 corresponding to the hydraulic cylinder 212, and the bottom of the pressing cross beam 2 is also equipped with a corresponding sleeve cylinder 2, the lower part of the sleeve cylinder 2 is equipped with an inner stud 223, and the two groups of inner studs 223 are respectively screwed and connected inside the screw cylinders 1 and 2, so that in use, it is convenient to assist the lifting operation of the pressing cross beams 1 and 2, making the operation more convenient, and under the cooperation of the pressing cross beams 1 and 2, it is convenient to synchronize the jacking of the lower truss 101, or any one of the pressing cross beams 1 and 2 is jacked up, making the operation more convenient to use;

[0031] As a more detailed embodiment of the present embodiment, the assembled support 201 is internally equipped with a servo motor 230, and the output end of the servo motor 230 is equipped with a reducer 231, the output end of the reducer 231 is equipped with a drive shaft 232, the drive shaft 232 is fixed at the bottom of the screw cylinder 1, the bottom of the screw cylinder 1 and the bottom of the screw cylinder 2 are respectively equipped with a transmission wheel 240 and a driven wheel 241, and the transmission wheel 240 and the driven wheel 241 are connected in transmission through a belt 242, so that in use, it is convenient to drive the rotation of the screw cylinders 1 and 2, and it is convenient to drive the lifting of the pressing cross beam 2 under the cooperation of the threads, making the operation more convenient to use;

[0032] As a more detailed embodiment of the present embodiment, the bottom surface of the pressing cross beam 2 is fixed with a lower slide rod 250 on both sides and in the middle, the lower slide rod 250 is externally sleeved with an outer slide sleeve 251, the outer slide sleeve 251 is fixed on the surface of the assembled support 201, the lower slide rod 250 is fixed with an inner collar 252 at the bottom, the lower slide rod 250 is externally sleeved with a spring 253, and the spring 253 is located between the inner collar 252 and the inner wall of the outer slide sleeve 251, so that in use, it is convenient to limit the support and pull of the pressing cross beam 2, making the subsequent use convenient, and the pressing cross beam 2 is convenient for limiting sliding lifting;

[0033] As a more detailed embodiment of the present embodiment, the lower drive group 200 is provided with a tension spring 260 on both sides, the upper and lower ends of the tension spring 260 are assembled on the surface of the assembled support 201 and the bottom surface of the lower truss 101 through positioning pins 261, so that in use, it is convenient to pull the lower truss 101, and it is convenient to pull and restore after jacking. Similarly, under the assembly of the upper drive group 300, it is also convenient to pull and restore the upper truss 102.

[0034] Working principle: in the assembly and use, the upper and lower molds required for bending are assembled under the cooperation of the lower truss 101 and the upper truss 102, then according to the bending needs, the lower servo hydraulic pump station 400, the upper servo hydraulic pump station 500, the hydraulic cylinder 212 and the servo motor 230 are controlled under the cooperation of the control panel 140 and the control pedal 141, so as to control the jacking bending of the lower truss 101 by the lower drive group 200 or the pressing bending of the upper truss 102 by the upper drive group 300, so that the operation is more convenient, it should be pointed out that the specific connection relationship and use principle between the control panel 140, the control pedal 141, the lower servo hydraulic pump station 400, the upper servo hydraulic pump station 500, the hydraulic cylinder 212, the servo motor 230 and the speed reducer 231 all belong to the prior art, and the assembly connection and other related words in the application belong to the common knowledge of those skilled in the art, which can be realized by various embodiments, and no other special requirements are made in the application, as long as it can realize the function in the application, therefore, it is not limited here.

[0035] The lower servo hydraulic pump station 400 and the hydraulic cylinder 212 are assembled in the sleeve cylinder 211 to facilitate the telescopic lifting of the pressing beam 210, so as to facilitate the auxiliary jacking bending of the lower truss 101, the servo motor 230 and the speed reducer 231 drive the driving shaft 232 to rotate, which facilitates the rotation of the driving wheel 240, the driven wheel 241 and the belt 242, and drives the screw cylinder 221 and the screw cylinder 222 to rotate under the cooperation of the threads, so as to drive the inner stud 223 to lift under the cooperation of the threads, thereby assisting the pressing beam 220 to jacking the lower truss 101, controlling the servo motor 230 to realize reciprocating lifting operation, so as to facilitate the synchronous jacking of the pressing beam 210 and the pressing beam 220 to the lower truss 101, or the jacking of the pressing beam 210 and the pressing beam 220 to the lower truss 101, and the same upper drive group 300 assists the pressing of the upper truss 102 in the upper part, so that the bending operation is more convenient and efficient.

[0036] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the drawings and the above description; however, any equivalent changes, modifications and evolution made by those skilled in the art without departing from the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.

Claims

1. A dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine, comprising an assembly base plate (100), wherein an assembly front frame (110) and an assembly rear frame (120) are respectively assembled on the front and rear sides above the assembly base plate (100), characterized in that: The lower part of the assembly front frame (110) is equipped with a lower driving group (200), and the upper support of the lower driving group (200) is equipped with a lower truss (101), the upper part of the assembly front frame (110) is equipped with an upper driving group (300), and the upper truss (102) is hoisted and supported below the upper driving group (300), and the lower driving group (200) and the upper driving group (300) are symmetrically arranged, and the lower driving group (200) includes a first pressing beam (210) and a second pressing beam (220), and the bottom of the first pressing beam (210) is supported by three groups of hydraulic cylinders (212), and the bottom of the second pressing beam (220) is supported by a first screw barrel (221) and a second screw barrel (222), and the hydraulic cylinders (212) and the first screw barrel (221) are staggered and evenly distributed.

2. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 1, characterized in that: The assembly front frame (110) and the assembly rear frame (120) are covered with an assembly front panel (130) and an assembly side panel (131) on the outside, and a bending operation window (132) corresponding to the lower truss (101) and the upper truss (102) is opened in the middle of the assembly front panel (130), and a control panel (140) corresponding to the lower drive group (200) and the upper drive group (300) is electrically installed in the middle of the front side wall of the assembly front panel (130), and a control pedal (141) corresponding to the control panel (140) is installed at the lower part of the front side wall of the assembly front panel (130).

3. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 2, characterized in that: A lower servo hydraulic pump station (400) corresponding to the lower drive group (200) and the hydraulic cylinder (212) is assembled on the left side of the assembly rear frame (120), and an upper servo hydraulic pump station (500) corresponding to the upper drive group (300) is symmetrically assembled on the right side of the assembly rear frame (120), and both the lower servo hydraulic pump station (400) and the upper servo hydraulic pump station (500) are electrically connected to the control panel (140).

4. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 1, characterized in that: The lower drive group (200) further comprises an assembly bracket (201), and the assembly bracket (201) is supported and assembled on the hydraulic cylinder (212) and the bottoms of the first screw barrel (221) and the second screw barrel (222), the bottoms of the first screw barrel (221) and the second screw barrel (222) are assembled with the bottom of the assembly bracket (201) through inner bearings, and the upper outer walls of the first screw barrel (221) and the second screw barrel (222) are supported and assembled with a vertical frame (225) with a bearing, side blocks (103) are fixed on both sides of the assembly bracket (201), and limiting protrusions (104) are integrally fixed on both sides of the front and rear walls of the lower truss (101), and the limiting protrusions (104) are clamped on the inner wall of the side block frame (103), and the inner wall of the side block frame (103) is provided with a limiting sliding groove (105) corresponding to the limiting protrusions (104).

5. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 4, characterized in that: The upper parts of the first and second pressure beams (210, 220) are arranged in a trapezoidal shape, and the upper parts of the first and second pressure beams (210, 220) are inclined inwards. The bottom of the first pressure beam (210) is equipped with a sleeve tube (211) corresponding to the hydraulic cylinder (212), and the bottom of the second pressure beam (220) is also equipped with a corresponding sleeve tube (224). The lower part of the sleeve tube (224) is equipped with an inner stud (223), and two groups of inner studs (223) are respectively threadedly inserted into the inside of the screw barrel (221) and the screw barrel (222).

6. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 4, characterized in that: The assembly bracket (201) is internally assembled and supported with a servo motor (230), and the output end of the servo motor (230) is assembled with a reducer (231), and the output end of the reducer (231) is assembled with a drive shaft (232), and the drive shaft (232) is fixed to the bottom of the first screw barrel (221), and the bottom of the first screw barrel (221) and the bottom of the second screw barrel (222) are symmetrically assembled with a driving wheel (240) and a driven wheel (241), and the driving wheel (240) and the driven wheel (241) are connected and driven by a belt (242).

7. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 4, characterized in that: A lower slide rod (250) is fixed on both sides and the middle of the bottom surface of the second pressing cross beam (220), and an outer sleeve (251) is provided on the outside of the lower slide rod (250). The outer sleeve (251) is fixed on the surface of the assembly bracket (201). An inner retaining ring (252) is fixed on the bottom of the lower slide rod (250), and a spring (253) is provided on the outside of the lower slide rod (250), and the spring (253) is located between the inner upper wall of the outer sleeve (251) and the inner retaining ring (252).

8. The dual-servo pump-controlled electro-hydraulic synchronous CNC bending machine according to claim 4, characterized in that: Tension springs (260) are provided on both sides of the lower drive group (200), and the upper and lower ends of the tension springs (260) are assembled on the surface of the assembly bracket (201) and the bottom surface of the lower truss (101) through positioning pins (261).

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