CN214160982U

CN214160982U - Arc bending tool

Info

Publication number: CN214160982U
Application number: CN202023167982.3U
Authority: CN
Inventors: 孟生平; 孟伟平
Original assignee: Sihong Oasis Landscape Engineering Co ltd
Current assignee: Sihong Oasis Landscape Engineering Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-10
Anticipated expiration: 2030-12-24

Abstract

An arc bending tool comprises a horizontally placed base, a clamping part and a bending part which are arranged on the base, a first limiting part and a graduated scale, wherein the clamping part comprises a fixed block, locking pliers and a clamping piece; the bending part comprises a main roller, a slave roller and a cross bar, a gap is reserved between the main roller and the slave roller, and the cross bar can rotate in the horizontal direction by taking the first upright post as a center; the device is simple in structure, low in cost, convenient to operate and use and suitable for large-scale popularization and use.

Description

Arc bending tool

Technical Field

The utility model belongs to the technical field of the frock of bending, especially, relate to a circular arc frock of bending.

Background

Signboard and so on in bill-board, finger post and outdoor place, its border often is formed by the processing of metal section bar, need will treat the machined part in the course of working and buckle required angle as required, for processing convenience and ensure safe in utilization, the angle of this buckling toward still need do convex chamfer processing, current scheme is mostly operated with special equipment of bending, and the processing cost is high, is unfavorable for extensive popularization.

SUMMERY OF THE UTILITY MODEL

For solving the defect that exists in the background, the utility model provides a circular arc frock of bending can satisfy current bending technical demand, has practiced thrift the cost again.

In order to achieve the above object, the technical solution of the present invention is as follows:

an arc bending tool comprises a horizontally placed base, a clamping portion, a bending portion, a first limiting portion and a graduated scale, wherein the clamping portion and the bending portion are arranged on the base; the bending part comprises a main roller, a slave roller and a cross rod, the main roller is connected with the cross rod through a first upright post, the slave roller is connected with the cross rod through a second upright post, a gap is reserved between the main roller and the slave roller, and the cross rod can rotate in the horizontal direction by taking the first upright post as a center; the first limiting portion is arranged on the upper surface of the base and used for determining the initial state position of the cross rod, and the graduated scale is arranged at the position, close to the main roller, of the upper surface of the base and used for determining the bending angle of the workpiece to be machined.

Preferably, a through sliding groove is formed in the cross rod, the second upright post is installed in the sliding groove and can move in the sliding groove along the length direction of the sliding groove, and the distance between the main roller and the auxiliary roller can be adjusted by changing the position of the second upright post in the sliding groove.

Preferably, the length of the first limiting part is consistent with that of the sliding groove.

Preferably, the graduated scale is in a semicircular structure with the center of the first upright post, and scales are uniformly distributed along the circumferential direction of the graduated scale.

Preferably, the bottom end of the first upright column is fixedly connected with the base, the bottom end of the second upright column abuts against the upper surface of the base, and the second upright column can slide on the upper surface of the base.

Preferably, the clamping pieces are rectangular metal pieces and are installed at the position of the jaw of the locking pliers in a welding mode.

Preferably, the first limiting part is made of rectangular metal materials and is connected with the base in a welding mode.

Preferably, the base is made of metal materials, the upper surface of the base is of a rectangular structure, and the lower portion of the base is provided with supporting legs for supporting.

Has the advantages that: the device is provided with a clamping part, a bending part, a first limiting part and a graduated scale, wherein the clamping part comprises a fixed block, locking pliers and a clamping piece, the bending part comprises a main roller, a slave roller and a cross rod, the main roller is connected with the cross rod through a first stand column, the slave roller is connected with the cross rod through a second stand column, a gap is reserved between the main roller and the slave roller, and the cross rod can rotate in the horizontal direction by taking the first stand column as the center; the upper surface that first spacing portion located the base is used for confirming the initial condition position of horizontal pole, the upper surface that the scale was located the base is close to the position department of home roll for confirm treat the angle that the machined part is buckled, treat that the machined part is hugged closely the home roll of cylinder and is followed roller surface operation at the in-process of bending, make the angle of buckling demonstrate arc, what the final realization was has the operation of bending of the various angles of circular arc, this device simple structure, each part is common structure combination processing and forms, low cost, operation convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the clamping portion of the present invention;

fig. 3 is a schematic view of the structure of the bending part of the present invention;

fig. 4 is a schematic view of a use state of the bending portion of the present invention.

Wherein: 1. the base, 101, landing leg, 2, clamping part, 3, fixed block, 4, first spacing portion, 5, scale, 6, the portion of bending, 201, locking pliers, 202, clamping piece, 601, main roll, 602, from the roller, 603, first stand, 604, second stand, 605, horizontal pole, 606, spout, 607, handle.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly specifically defined otherwise.

An arc bending tool shown in fig. 1 comprises a base 1 placed horizontally, a clamping portion 2 and a bending portion 6 installed on the base 1, wherein the base 1 provides a supporting and working platform for the whole device, the material of the arc bending tool is processed by metal materials, the upper surface of the base 1 is a horizontally placed rectangular surface, the lower portion of the base 1 is provided with a supporting leg 101 for supporting, the clamping portion 2 and the bending portion 6 are installed on the upper surface of the base 1, the clamping portion 2 is used for clamping and fixing a workpiece 7 to be machined, the clamping portion 2 shown in fig. 2 comprises a fixed block 3, a locking pliers 201 and a clamping piece 202, the fixed block 3 is a rectangular block processed by metal materials and is vertically installed on the upper surface of the base 1 by adopting a welding mode, the locking pliers 201 are connected with the fixed block 3 by a welding mode, the locking pliers point to the base 1, the locking pliers 201 is a commercially available object, and is named as locking pliers, the clamping device is mainly used for clamping parts and is characterized in that a jaw can be locked and generate a large clamping force, so that the clamped parts cannot be loosened, the jaw is provided with a plurality of gear adjusting positions for clamping parts with different thicknesses, the clamping device is used as a clamping piece in the device, and in order to better clamp a part to be machined 7, the clamping piece 202 is arranged at the jaw position of the locking pliers 201, specifically, the clamping piece 202 is a rectangular metal piece, the number of the clamping piece 202 is 2, the clamping piece is fixed at the jaw position of the locking pliers 201 in a welding mode, the jaw of the locking pliers 201 vertically points downwards to the base 1, and the installation height of the locking pliers 201 is determined according to the site of a specific product; the bending portion 6 is used for bending the workpiece 7 to be machined, as shown in fig. 3, the bending portion 6 of the apparatus includes a main roller 601, a secondary roller 602 and a cross rod 605, the main roller 601 is connected to the cross rod 605 through a first upright column 603, the secondary roller 602 is connected to the cross rod 605 through a second upright column 604, in this embodiment, the first upright column 603 and the second upright column 604 are cylindrical metal rods, the main roller 601 and the secondary roller 602 are cylindrical structures and are made of metal materials, and are respectively sleeved on the first upright column 603 and the second upright column 604 in a sleeving manner, a gap is left between the main roller 601 and the secondary roller 602 for the workpiece 7 to pass through, the size of the gap is determined on site according to the size of the workpiece 7 to be machined, the bottom end of the first upright column 603 is fixedly connected to the base 1 in a welding manner, the top end of the first upright column 603 is sleeved with a bearing (not labeled in the figure), and then one end of the cross rod 605 is provided with a through hole, the bearing is fixed in the through hole, so that the cross bar 605 can rotate in the horizontal direction by taking the first upright column 603 as the center, the bottom end of the second upright column 604 is abutted against the upper surface of the base 1, the second upright column 604 can slide on the upper surface of the base 1, the top end of the second upright column 604 is connected with the cross bar 605, in order to adapt to workpieces 7 to be processed with different sizes, the gap between the main roller 601 and the secondary roller 602 of the device is set to be adjustable, the specific implementation mode is that a through sliding groove 606 is processed on the cross bar 605, the sliding groove 606 extends along the length direction of the cross bar 605, the second upright column 604 is installed in the sliding groove 606, the second upright column 604 can move in the length direction of the sliding groove 606, the distance between the main roller 601 and the secondary roller 602 can be adjusted by changing the position of the second upright column 604 in the sliding groove 606, in the embodiment, the fixing mode between the second upright column 604 and the sliding groove 606 can adopt the existing conventional means, the present solution is not limited, for example, an external thread structure may be disposed on the top end of the second upright 604, and then screws are disposed on the upper and lower sides of the cross bar 605, respectively, so that the fixing effect can be achieved by screwing the upper and lower screws.

In order to realize the bending operation of the workpiece 7 to be machined according to a required angle, the device is further provided with a first limiting part 4 and a graduated scale 5, wherein the first limiting part 4 is arranged on the upper surface of the base 1 and is used for determining the initial state position of the cross rod 605, specifically, the initial state position of the cross rod 605 is parallel to a group of short sides of the rectangular base 1 in the embodiment, the first limiting part 4 is processed by a rectangular metal material and is arranged on the upper surface of the base 1 in a welding manner, the first limiting part 4 is also parallel to the group of short sides of the rectangular base 1 when being arranged, when the cross rod 605 is at the initial state position, one surface of the limiting part 4 can be abutted against the surface of the slave roller 602, so that the limiting effect on the initial state position of the cross rod 605 is realized, and the length of the first limiting part 4 is consistent with the length of the sliding chute 606; the graduated scale 5 is disposed at a position close to the main roller 601 on the upper surface of the base 1 for conveniently determining a bending angle of the workpiece 7 to be machined, specifically, the graduated scale 5 is also formed by processing a rectangular metal material and is mounted on the upper surface of the base 1 in a welding manner, and is close to the main roller 601 for determining the bending angle of the workpiece 7 to be machined, specifically, in this embodiment, the graduated scale 5 is a semicircular structure with a first upright center, the radius of the graduated scale is greater than that of the main roller 601, and scales are uniformly distributed along the circumferential direction of the graduated scale, as shown in fig. 4, the scale marks of the graduated scale 5 are 0 degree to 180 degree, the leftmost end of the graduated scale is 0 degree, the middle scales are 90 degree, the advancing direction of the workpiece 7 to be machined is parallel to the long edge of the base 1, when the operation cross rod 605 rotates clockwise, the workpiece 7 to be machined bends under the action of force, and when the part extending outward after bending coincides with or is parallel to a certain scale of the graduated scale 5, the workpiece 7 to be machined is to be machined The corresponding angle is formed, the main roller 601 and the auxiliary roller 602 are of cylindrical structures, the workpiece 7 to be machined runs tightly against the surface of the cylinder in the bending process, the bending angle is arc-shaped, the bending operation of arc-shaped right angles is finally achieved, in order to facilitate the operation, the cross rod 605 is further provided with a handle 607 for handheld operation, and the handle 607 is one end, away from the main roller 601, of the metal pipe fitting which is vertically welded on the cross rod 605.

The specific using process is as follows: before the device is used, the cross rod 605 is firstly placed at an initial state position, the size of a gap between the main roller 601 and the auxiliary roller 602 is determined and adjusted according to the size of a workpiece 7 to be machined, then the workpiece 7 to be machined is pushed forwards and passes through the clamping part 2 and the bending part 6 in sequence, then the workpiece 7 to be machined is locked and fixed by operating the clamping part 2, then an operator holds the handle 607 to enable the cross rod 605 to rotate clockwise, the workpiece 7 to be machined is bent under the action of force, the bending angle is confirmed according to the graduated scale 5, the required arc-shaped bending angle is machined finally, the clamping part 2 is loosened after machining is finished, the workpiece 7 to be machined is continuously pushed forwards to the next step, and the whole working cycle is completed.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

To sum up the utility model discloses reach anticipated effect.

Claims

1. The utility model provides a circular arc frock of bending, includes the base that the level was placed, installs the clamping part on the base and the portion of bending, its characterized in that: the clamping device comprises a base, a first limiting part and a graduated scale, wherein the clamping part comprises a fixing block, locking pliers and clamping pieces, the fixing block is arranged on the upper surface of the base, the locking pliers are connected with the fixing block, the jaws of the locking pliers point to the base, the number of the clamping pieces is 2, and the clamping pieces are symmetrically arranged at the jaw positions of the locking pliers; the bending part comprises a main roller, a slave roller and a cross rod, the main roller is connected with the cross rod through a first upright post, the slave roller is connected with the cross rod through a second upright post, a gap is reserved between the main roller and the slave roller, and the cross rod can rotate in the horizontal direction by taking the first upright post as a center; the first limiting portion is arranged on the upper surface of the base and used for determining the initial state position of the cross rod, and the graduated scale is arranged at the position, close to the main roller, of the upper surface of the base and used for determining the bending angle of the workpiece to be machined.

2. The arc bending tool according to claim 1, characterized in that: the transverse rod is provided with a through sliding groove, the second stand column is installed in the sliding groove and can move in the sliding groove along the length direction of the sliding groove, and the distance between the main roller and the slave roller can be adjusted by changing the position of the second stand column in the sliding groove.

3. The arc bending tool according to claim 2, characterized in that: the length of the first limiting part is consistent with that of the sliding groove.

4. The arc bending tool according to claim 1, characterized in that: the graduated scale is in a semicircular structure with the center of the first upright post, and scales are uniformly distributed along the circumferential direction of the graduated scale.

5. The arc bending tool according to claim 1, characterized in that: the bottom end of the first upright column is fixedly connected with the base, the bottom end of the second upright column supports against the upper surface of the base, and the second upright column can slide on the upper surface of the base.

6. The arc bending tool according to claim 1, characterized in that: the clamping pieces are rectangular metal pieces and are arranged at the jaw positions of the locking pliers in a welding mode.

7. The arc bending tool according to claim 1, characterized in that: the first limiting part is formed by processing rectangular metal materials and is connected with the base in a welding mode.

8. The arc bending tool according to claim 1, characterized in that: the base is made of metal materials, the upper surface of the base is of a rectangular structure, and the lower portion of the base is provided with supporting legs for supporting.