CN210788724U - Bending tool - Google Patents
Bending tool Download PDFInfo
- Publication number
- CN210788724U CN210788724U CN201921905461.8U CN201921905461U CN210788724U CN 210788724 U CN210788724 U CN 210788724U CN 201921905461 U CN201921905461 U CN 201921905461U CN 210788724 U CN210788724 U CN 210788724U
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- positioning column
- bottom plate
- edge strip
- joint
- circular arc
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A bending tool belongs to the field of pedal processing and comprises a bottom plate, an end positioning block, a first positioning column, a second positioning column, a third positioning column and a fourth positioning column; the bottom plate is flat, the width of the bottom plate is larger than the maximum width of the pedal edge strip, the length of the bottom plate is larger than the maximum length of the pedal edge strip, and the bottom plate has the characteristics of high working efficiency and high precision.
Description
Technical Field
The invention belongs to the field of pedal plate processing, and particularly relates to a pedal plate edge strip bending tool.
Background
In the process of processing the pedal plate, the edge strip of the pedal plate is in a multi-part bent shape and comprises a front end part, a front bent part, a middle convex part, a rear bent part and a rear end part as shown in figure 1; generally made of round steel; the bending process is performed according to drawing lines of drawings, the efficiency is low, and the precision is insufficient.
Disclosure of Invention
Aiming at the problems in the existing pedal edge strip (hereinafter referred to as edge strip) bending process, the invention provides an edge strip bending tool which can easily finish bending without drawing lines, and the specific technical scheme is as follows: a bending tool is characterized in that: the positioning device comprises a bottom plate, an end positioning block, a first positioning column, a second positioning column, a third positioning column and a fourth positioning column; the bottom plate is flat, the width of the bottom plate is larger than the maximum width of the pedal edge strip, and the length of the bottom plate is larger than the maximum length of the pedal edge strip; the end positioning block is arranged on the upper surface of the bottom plate and is fixedly connected with the bottom plate, and the inner side of the end positioning block is respectively contacted with the front end part of the edge strip and the outer surface of the end part of the edge strip; the first positioning column is installed on the bottom plate, is fixedly connected with the bottom plate and is cylindrical, the diameter of the cylinder is equal to the diameter of an arc at the joint of the front end part of the edge strip and the front bending part, the height of the cylinder is larger than the maximum diameter of the edge strip, and the distance from the central position of the cylinder to the inner side of the end positioning block to the central position of the arc at the joint of the front end part and the front bending part is the same as the distance from the top end of the front end part of the edge strip to the central position; the second positioning column is arranged on the bottom plate and is fixedly connected with the bottom plate; the second positioning column is cylindrical, the diameter of the cylinder is equal to the diameter of an inner circular arc at the joint of the front bending part and the middle convex part, and the height of the cylinder is greater than the maximum diameter of the edge strip; the relative position between the center of the second positioning column and the center of the first positioning column is the same as the relative position between the center of an inner circular arc connected between the upper front end part of the edge strip and the front bending part and the center of an inner circular arc connected between the front bending part and the middle convex part; the third positioning column is arranged on the bottom plate, is fixedly connected with the bottom plate, is cylindrical, has the diameter equal to that of an inner circular arc at the joint of the middle convex part and the rear bending part on the edge strip, and has the height larger than the maximum diameter of the edge strip; the relative position between the third positioning column and the second positioning column is the same as the relative positions of the center of the inner circular arc at the joint of the front bending part and the middle convex part and the center of the inner circular arc at the joint of the middle convex part and the rear bending part; the fourth positioning column is arranged on the bottom plate, is fixedly connected with the bottom plate, is cylindrical, has the diameter equal to that of an inner circular arc at the joint of the rear bending part and the rear end part, and has the height larger than the maximum diameter of the edge strip; the position relation between the centers of the fourth positioning column and the third positioning column is the same as the position relation between the center of an inner circular arc at the joint of the middle convex part and the rear bending part and the center of an inner circular arc at the joint of the rear bending part and the rear end part.
Furthermore, the inner side of the end positioning block is right-angled.
Advantageous effects
The invention has the advantages that the bending of the edge strips can be easily realized, no line is required to be drawn, the working efficiency is high, and the positioning precision is accurate.
Drawings
FIG. 1 is a schematic view of the structure of the edge strip
A. The front end part, the B front bending part, the C middle convex part, the D rear bending part and the E rear end part.
FIG. 2 is a schematic structural diagram of the present invention
1. The positioning device comprises a base plate, 2 parts of end positioning blocks, 3 parts of a first positioning column, 4 parts of a second positioning column, 5 parts of a third positioning column and 6 parts of a fourth positioning column.
Detailed Description
To further illustrate the technical solution of the present invention, the embodiments of the present invention will be further described with reference to the accompanying drawings, such as fig. 1, fig. 2; in this example, round steel with a diameter of 12 mm is used as the material of the edge strip, and the length of the front end portion a is set to 350 mm, the length of the front bending portion B is set to 110 mm, the length of the middle convex portion C is set to 400 mm, the length of the rear bending portion D is set to 110 mm, and the length of the rear end portion E is set to 350 mm, wherein the edge strip is exemplified by the edge strip with a circular arc diameter of 60 mm at the junction of the front end portion a and the front bending portion B, the junction of the front bending portion B and the middle convex portion C, the junction of the middle convex portion C and the rear bending portion D, and the junction of; in the embodiment, a steel plate with the thickness of 10 mm, the length of more than 1100 mm and the width of more than 200 mm is selected as a bottom plate 1, an end positioning block 2 is selected and made into a right-angle shape by using the steel plate, the thickness of the steel plate is 20 mm, the steel plate is welded on the bottom plate 1, and round steel with the diameter of 60 mm and the height of 30 mm is selected and respectively used as a first positioning column 3, a second positioning column 4, a third positioning column 5 and a fourth positioning column 6 which are respectively welded on the bottom plate 1 and are positioned on the same surface as the; ensuring that the distance from the center of the first positioning column 3 to the right side surface of the inner side of the end positioning block 2 is 350 mm, and the distance from the center of the first positioning column to the upper side surface of the inner side of the end positioning block 2 is 42 mm; the left-right distance between the second positioning column 4 and the first positioning column 3 is 72 mm of left deviation of the first positioning column 3 and 38 mm of downward deviation; the position relation between the third positioning column 5 and the second positioning column 4 is that the third positioning column 5 and the second positioning column 4 are positioned on the same line in the left-right direction and offset leftwards by a distance of 338 mm; the fourth positioning post 6 is located on the left side of the first positioning post 3 and on the same straight line in the left-right direction, and is shifted 472 mm to the left, thus completing the implementation of the present invention.
When the positioning device is applied, one end of the edge strip round steel is contacted with the inner side of the end positioning block 2, the left upper part of the first positioning column 3 is bent around and downwards to the right lower side of the second positioning column 4 and then bent, the left lower side of the third positioning column 5 is bent after the right lower side of the second positioning column 4 is bent around, and the right upper side of the fourth positioning column 6 is bent around the third positioning column 5 and then bent into a right angle to form an edge strip; the radius of each positioning column is the same as that of the transition arc, so that the bending radius is ensured, and the position and distance relationship between the centers of the positioning columns is the same as that of each part on the edge strip, so that the bending size of the edge strip is ensured, and the edge strip can be bent easily without drawing lines; the directional indicators described above are all referred to in the view-facing direction of FIG. 2.
Claims (2)
1. A bending tool is characterized in that: the positioning device comprises a bottom plate, an end positioning block, a first positioning column, a second positioning column, a third positioning column and a fourth positioning column; the bottom plate is flat, the width of the bottom plate is larger than the maximum width of the pedal edge strip, and the length of the bottom plate is larger than the maximum length of the pedal edge strip; the end positioning block is arranged on the upper surface of the bottom plate and is fixedly connected with the bottom plate, and the inner side of the end positioning block is respectively contacted with the front end part of the edge strip and the outer surface of the end part of the edge strip; the first positioning column is installed on the bottom plate, is fixedly connected with the bottom plate and is cylindrical, the diameter of the cylinder is equal to the diameter of an arc at the joint of the front end part of the edge strip and the front bending part, the height of the cylinder is larger than the maximum diameter of the edge strip, and the distance from the central position of the cylinder to the inner side of the end positioning block to the central position of the arc at the joint of the front end part and the front bending part is the same as the distance from the top end of the front end part of the edge strip to the central position; the second positioning column is arranged on the bottom plate and is fixedly connected with the bottom plate; the second positioning column is cylindrical, the diameter of the cylinder is equal to the diameter of an inner circular arc at the joint of the front bending part and the middle convex part, and the height of the cylinder is greater than the maximum diameter of the edge strip; the relative position between the center of the second positioning column and the center of the first positioning column is the same as the relative position between the center of an inner circular arc connected between the upper front end part of the edge strip and the front bending part and the center of an inner circular arc connected between the front bending part and the middle convex part; the third positioning column is arranged on the bottom plate, is fixedly connected with the bottom plate, is cylindrical, has the diameter equal to that of an inner circular arc at the joint of the middle convex part and the rear bending part on the edge strip, and has the height larger than the maximum diameter of the edge strip; the relative position between the third positioning column and the second positioning column is the same as the relative positions of the center of the inner circular arc at the joint of the front bending part and the middle convex part and the center of the inner circular arc at the joint of the middle convex part and the rear bending part; the fourth positioning column is arranged on the bottom plate, is fixedly connected with the bottom plate, is cylindrical, has the diameter equal to that of an inner circular arc at the joint of the rear bending part and the rear end part, and has the height larger than the maximum diameter of the edge strip; the position relation between the centers of the fourth positioning column and the third positioning column is the same as the position relation between the center of an inner circular arc at the joint of the middle convex part and the rear bending part and the center of an inner circular arc at the joint of the rear bending part and the rear end part.
2. A bending tool according to claim 1, wherein: the inner side of the end positioning block is right-angled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905461.8U CN210788724U (en) | 2019-11-07 | 2019-11-07 | Bending tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921905461.8U CN210788724U (en) | 2019-11-07 | 2019-11-07 | Bending tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210788724U true CN210788724U (en) | 2020-06-19 |
Family
ID=71247023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921905461.8U Active CN210788724U (en) | 2019-11-07 | 2019-11-07 | Bending tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210788724U (en) |
-
2019
- 2019-11-07 CN CN201921905461.8U patent/CN210788724U/en active Active
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