CN210754491U

CN210754491U - Pressure adjusting device of bending machine

Info

Publication number: CN210754491U
Application number: CN201921841037.1U
Authority: CN
Inventors: 张文文; 张小平; 武三梅; 张云霞; 武亚丽
Original assignee: ANHUI YAWEI MACHINE TOOL MANUFACTURING CO LTD
Current assignee: ANHUI YAWEI MACHINE TOOL MANUFACTURING CO LTD
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-16
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a pressure regulating device of a bending machine, which comprises a propelling mechanism, a bending mechanism, a top plate, a stand column and a base, wherein a first linear slide rail is arranged on the lower surface of the top plate, the top plate is connected with the propelling mechanism in a sliding manner through the first linear slide rail, and the middle part of the top plate is provided with the bending mechanism; the propelling mechanism comprises a rotating motor, an upper sliding block, a lower sliding block, two hinge rods and screw rods, wherein the two screw rods are installed at the lower end of the top plate and are connected with the upper sliding block through threads, the two ends of the upper sliding block are connected with the lower sliding block through the two hinge rods, and one ends of the two screw rods are connected with the rotating motor. This device is through two top shoe butt in the both ends of plate body, and for the depression bar of vertical direction pushes down to bend and provides the lateral auxiliary pressure, adjusts work piece atress dynamics through control motor, and the both ends height of the piece of bending is restricted by slider down, prevents to kick-back, does benefit to the accurate design of the piece of bending.

Description

Pressure adjusting device of bending machine

Technical Field

The utility model relates to a bender technical field especially relates to a pressure regulating device of bender.

Background

The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the thin plate between the pressing plate and the base is clamped. Due to the adoption of electromagnetic force clamping, the pressing plate can meet various workpiece requirements, workpieces with side walls can be machined, the operation is very simple and convenient, the existing bending is only performed by providing pressure in the pressing direction, the small-amplitude adjustment on the bending pressure cannot be performed, the pressure precision provided by the bending machine is low, the bending quality of the workpieces is poor, and the workpieces after being bent have resilience under the elastic action, so that the bending error is further improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure regulating device of bender possesses supplementary bending, prevents the characteristics of resilience, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure adjusting device of a bending machine comprises a propelling mechanism, a bending mechanism, a top plate, stand columns and a base, wherein a first linear slide rail is arranged on the lower surface of the top plate, the top plate is connected with the propelling mechanism in a sliding mode through the first linear slide rail, the bending mechanism is arranged in the middle of the top plate, the stand columns are arranged at four corners of the top plate, and the base is fixedly connected to the lower ends of the stand columns; the propelling mechanism comprises a rotating motor, an upper sliding block, a lower sliding block, double hinge rods and screw rods, wherein the lower end of the top plate is provided with the two screw rods, the two screw rods are connected with the upper sliding block through threads, the two ends of the upper sliding block are connected with the lower sliding block through the double hinge rods, and one end of each of the two screw rods is connected with the rotating motor; an angle groove is formed in the middle of the base, the two lower sliding blocks are respectively positioned above two sides of the angle groove, and the middle parts of the two lower sliding blocks are connected with a middle plate in a sliding mode; the bending mechanism comprises a hydraulic cylinder and a pressing rod, and the middle part of the hydraulic cylinder is movably connected with the pressing rod.

Preferably, the lower surface of the top plate is welded with a plate, and two ends of the screw are rotatably connected with the plate through bearings.

Preferably, the screw rod is divided into a first screw rod and a second screw rod, the first screw rod is provided with left-handed threads on the outside, and the second screw rod is provided with right-handed threads on the outside.

Preferably, the two ends of the middle plate are fixedly connected with pipe sleeves, and the pipe sleeves are sleeved outside the stand columns and are in sliding connection with the outer walls of the stand columns.

Preferably, the pressure lever is positioned right above the corner groove.

Preferably, the double-hinged rod consists of two hinged rods and a micro motor, the hinged rods comprise rotating shafts and rod bodies, and the rotating shaft at one end of one hinged rod is connected with the micro motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a pressure adjustment device of bender, through two top shoe butt in the both ends of plate body, for the bottom block applys downward effort with the horizontal direction, then the synthetic diagonal effort of the effort of two directions is acted on the diagonal work piece, and the power of two slant atress goes out synthetic perpendicular decurrent power at the angle of bending, and the depression bar for the vertical direction pushes down to bend and provides the auxiliary pressure of side direction, adjusts work piece atress dynamics through control motor.

2. The utility model discloses a pressure regulating device of bender, the both ends height of the piece of bending is restricted by the lower sliding block, even the depression bar withdraws, the spacing prevention both ends of work piece butt of V type fall back, prevent to kick-back, do benefit to the accurate design of the piece of bending.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an unfolded schematic diagram of the present invention;

FIG. 4 is a schematic view of the bending mechanism of the present invention;

FIG. 5 is a view of the structure of the propulsion mechanism of the present invention;

fig. 6 is a working state diagram of the propulsion mechanism of the present invention.

In the figure: 1. a propulsion mechanism; 11. a rotating electric machine; 12. an upper slide block; 13. a lower slide block; 14. a double hinge rod; 141. a hinge rod; 1411. a rotating shaft; 1412. a rod body; 142. a micro motor; 15. a screw; 151. a first screw; 152. a second screw; 2. a plate block; 3. a bending mechanism; 31. a hydraulic cylinder; 32. a pressure lever; 4. a top plate; 41. a first linear slide rail; 5. a column; 6. a base; 61. an angular groove; 7. a middle plate; 71. and (4) pipe sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a pressure adjusting device of a bending machine includes a pushing mechanism 1, a bending mechanism 3, a top plate 4, a column 5 and a base 6, wherein a first linear sliding rail 41 is disposed on the lower surface of the top plate 4, a plate 2 is welded on the lower surface of the top plate 4, two ends of a screw 15 are rotatably connected with the plate 2 through a bearing, the plate 2 is used for mounting the screw 15, the top plate 4 is slidably connected with the pushing mechanism 1 through the first linear sliding rail 41, the bending mechanism 3 is mounted in the middle of the top plate 4, the columns 5 are mounted at four corners of the top plate 4, and the base 6 is fixedly connected to the lower ends; an angle groove 61 is formed in the middle of the base 6, the two lower sliding blocks 13 are respectively positioned above two sides of the angle groove 61, the middle parts of the two lower sliding blocks 13 are connected with a middle plate 7 in a sliding mode, two ends of the middle plate 7 are fixedly connected with pipe sleeves 71, the pipe sleeves 71 are sleeved outside the upright posts 5 and slide along the outer walls of the upright posts 5, two-way free movement of the lower sliding blocks 13 in the horizontal direction and the vertical direction is achieved, connection is stable, and bearing force is large; the bending mechanism 3 comprises a hydraulic cylinder 31 and a pressure rod 32, the middle of the hydraulic cylinder 31 is movably connected with the pressure rod 32, the pressure rod 32 is located right above the angle groove 61, the hydraulic cylinder drives the hydraulic rod 32 to descend to bend the plate placed above the base 6, the middle of the plate is bent into the angle groove 61 under the influence of bending force, and the angle of the angle groove 61 is the bending angle of the plate.

Referring to fig. 5-6, the propulsion mechanism 1 includes a rotating motor 11, an upper slider 12, a lower slider 13, a double-hinge rod 14 and a screw rod 15, two screw rods 15 are installed at the lower end of the top plate 4, the two screw rods 15 are connected with the upper slider 12 through threads, two ends of the upper slider 12 are connected with the lower slider 13 through the double-hinge rod 14, the double-hinge rod 14 is composed of two hinge rods 141 and a micro motor 142, the hinge rods 141 include a rotating shaft 1411 and a rod body 1412, the rotating shaft 1411 at one end of one hinge rod 141 is connected with the micro motor 142, two ends of the rod body 1412 are respectively connected with the upper slider 12 and the lower slider 13 through the rotating shaft 1411, the first screw rod 151 and the second screw rod 152 are integrated, the middle portions of the first screw rod 151 and the second screw rod 152 are rotatably connected with the plate 2 through bearings, one end of the screw rod 15 is connected with the rotating motor 11, a left-handed thread is formed, the rotating motor 11 drives the screw rod 15 to rotate, and the upper slide block 12 and the lower slide block 13 move in the opposite direction under the action of the left-hand thread and the right-hand thread.

The working principle is as follows: placing a plate on the base 6, aligning the part to be bent with the corner groove 61, driving the screw rod 15 to rotate by the rotating motor 11, moving the upper slide block 12 connected with the first screw rod 151 to the right end under the action of left-handed threads, moving the upper slide block 12 connected with the second screw rod 152 to the left under the action of right-handed threads, and driving the lower slide block 13 to move to the corner groove 61 along the middle plate 7 by the movement of the upper slide block 12 until the lower slide block 13 abuts against two ends of the plate; the hydraulic cylinder 31 drives the pressure rod 32 to descend to bend the plate placed above the base 6, the middle part of the plate is influenced by bending force, and two ends of the plate are lifted upwards; the micro motor 142 drives the rotating shaft 1411 at one end of one of the hinge rods 141 to rotate, the rotating shaft 1411 on the left side of the angular slot 61 rotates anticlockwise, the rotating shaft 1411 on the right side of the angular slot 61 rotates clockwise, the rotating shaft 1411 rotates to drive the hinge rod 141 to swing, the hinge rod 141 swings to shorten the distance between the top plate 4 and the middle plate 7, the middle plate 7 rises along the upright post 5, and the lower slider 13 on the middle plate 7 rises along with the swinging; when the two ends of the plate are lifted, the two lower sliding blocks 13 are abutted to the two ends of the plate body, the displacement of the lower sliding blocks 13 in the vertical direction is complemented by the driving of the micro motor 142, the displacement in the horizontal direction is complemented by the driving of the rotating motor 11, the stress point of a workpiece is increased, the fitting degree of the workpiece and the angle groove 61 is improved, lateral auxiliary pressure is provided for downward pressing and bending of the pressing rod 32 in the vertical direction, the stress of the workpiece is adjusted, the two ends of the workpiece are limited, resilience is prevented, and accurate shaping of a bent part is facilitated.

In summary, the following steps: the utility model discloses a pressure adjustment device of bender, through 12 butt in the both ends of plate body of two top shoe, apply downward effort with the horizontal direction for bottom shoe 13, then the synthetic diagonal effort of the effort of two directions is acted on the diagonal work piece, the power of two diagonal atress is bending the angle and is going out synthetic perpendicular decurrent power, press down for the depression bar 32 of vertical direction and bend the auxiliary pressure that provides the side direction, adjust work piece atress dynamics through control motor, the both ends height of the piece of bending is restricted by bottom shoe 13, even the depression bar 32 withdraws, the spacing prevention both ends fall back of work piece butt of V type, prevent to kick-back, do benefit to the accurate design of the piece of bending.

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 a pressure regulating device of bender, includes advancing mechanism (1), bending mechanism (3), roof (4), stand (5) and base (6), its characterized in that: the lower surface of the top plate (4) is provided with a first linear sliding rail (41), the top plate (4) is connected with a propelling mechanism (1) in a sliding mode through the first linear sliding rail (41), the middle of the top plate (4) is provided with a bending mechanism (3), four corners of the top plate (4) are provided with stand columns (5), and the lower ends of the stand columns (5) are fixedly connected with a base (6); the propelling mechanism (1) comprises a rotating motor (11), an upper sliding block (12), a lower sliding block (13), double-hinged rods (14) and screw rods (15), wherein the lower end of the top plate (4) is provided with the two screw rods (15), the two screw rods (15) are connected with the upper sliding block (12) through threads, the two ends of the upper sliding block (12) are connected with the lower sliding block (13) through the double-hinged rods (14), and one end of each of the two screw rods (15) is connected with the rotating motor (11); an angle groove (61) is formed in the middle of the base (6), the two lower sliding blocks (13) are respectively positioned above two sides of the angle groove (61), and the middle of the two lower sliding blocks (13) is connected with a middle plate (7) in a sliding mode; the bending mechanism (3) comprises a hydraulic cylinder (31) and a pressure lever (32), and the middle part of the hydraulic cylinder (31) is movably connected with the pressure lever (32).

2. The pressure regulating device of a bending machine according to claim 1, characterized in that: the lower surface welding of roof (4) has plate (2), and the both ends of screw rod (15) have plate (2) through bearing swivelling joint.

3. The pressure regulating device of a bending machine according to claim 1, characterized in that: the screw (15) is divided into a first screw (151) and a second screw (152), the outside of the first screw (151) is provided with left-hand threads, and the outside of the second screw (152) is provided with right-hand threads.

4. The pressure regulating device of a bending machine according to claim 1, characterized in that: the two ends of the middle plate (7) are fixedly connected with pipe sleeves (71), and the pipe sleeves (71) are sleeved outside the upright posts (5) and are in sliding connection with the outer walls of the upright posts (5).

5. The pressure regulating device of a bending machine according to claim 1, characterized in that: the pressure lever (32) is positioned right above the angle groove (61).

6. The pressure regulating device of a bending machine according to claim 1, characterized in that: the double-hinged rod (14) consists of two hinged rods (141) and a micro motor (142), the hinged rods (141) comprise rotating shafts (1411) and rod bodies (1412), and the rotating shaft (1411) at one end of one hinged rod (141) is connected with the micro motor (142).