Bending knife for railway piece switch rail protection cover production
By designing a bending knife for the production of 7-shaped railway switch rail protective covers, the problems of high cost and unsatisfactory bending effect of existing equipment were solved, and efficient and precise sheet metal bending operations were achieved.
Patent Information
- Application Number
- CN202423102620.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-16
Smart Images

Figure CN223518434U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of point rail, concretely, the utility model relates to a railway piece point rail protection cover production is with bending knife. BACKGROUND
[0002] The point rail is an important component in the switch machine, and the train is introduced into the main line or the side line direction by relying on the pulling of the point rail, is mainly used for the turning of track, since the tip of the point rail is easy to break after being bumped or impacted, the safe use of the point rail is affected, therefore, it is necessary to cover the protection cover on the point rail to protect the point rail.
[0003] A kind of turnout point rail protection cover is disclosed in a public specification with patent number 202222540820.2, published on March 31, 2023, which includes a turnout point rail body and a point rail protection cover structure wrapped around the tip of the turnout point rail body to protect the turnout point rail body from damage during transportation. In the utility model, the tip of the turnout point rail body is completely wrapped by two memory sponges, providing soft wrapping protection for the tip of the turnout point rail body. The rubber inner shell on the outside of the memory sponge provides support for the memory sponge through its toughness. The work-shaped buffer chamber inside the rubber inner shell allows the rubber inner shell to contract and buffer after deformation. The metal outer shell on the outside of the rubber inner shell provides anti-bumping effect for the memory sponge, rubber inner shell, and turnout point rail body through its hardness. The multiple wrapping protection of the point rail protection cover structure for the tip of the turnout point rail body ensures better protection of the tip of the turnout point rail body during transportation or handling.
[0004] Due to the existing bending equipment, when bending the plate, the equipment device is large-scale equipment with high cost. The bending effect of small-scale bending equipment on the plate is not ideal, and when bending the U-shaped part, it is easy to bend the already bent end again during secondary bending, causing processing failure. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a railway piece point rail protection cover production bending knife with good bending effect.
[0006] To achieve the above purpose, the utility model adopts the technical scheme of a railway piece point rail protection cover production bending knife. The protection cover is U-shaped, and the bending knife is 7-shaped. The bending knife is divided into a long plate and a short plate connected to form a 7-shaped. The outer side corner of the long plate away from the short plate is a right angle.
[0007] The protection cover is divided into a middle plate and side plates arranged on both sides of the middle plate. The side plates and the middle plate are attached to the two side walls of the right angle end of the long plate. The end of the long plate is attached to the middle plate.
[0008] The side plate is located on the end of the intermediate plate away from the long plate, and the end of the side plate is located on the inner side of the bending knife.
[0009] The inner side of the bending knife is arc-shaped.
[0010] There is a gap between the inner side surface of the bending knife and the end of the side plate.
[0011] The outer side of the short plate is provided with a clamping plate, and the clamping plate is perpendicular to the short plate.
[0012] The outer wall length of the long plate is the same as the length of the side plate.
[0013] The long plate is located on the inner side of the protective cover.
[0014] The technical effect of the utility model is: through the bending knife of 7-shaped, after the bending knife is placed on the plate material to be bent, the plate material is bent to be attached to the outer side surface of the bending knife, then the bending knife is placed reversely, and the bending of the plate material can be completed through repeated operation, the bending efficiency is high and the angle is in place, the overall structure is simple, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0015] The present specification includes the following drawings, and the shown contents are respectively:
[0016] The utility model discloses a structure schematic diagram of bending knife for railway point rail protective cover production.
[0017] Marked in the drawing: 1, protective cover, 11 side plate, 12 intermediate plate, 2, bending knife, 21 long plate, 22 short plate, 3 clamping plate. DETAILED DESCRIPTION
[0018] The specific embodiments of the utility model are further explained in detail below by comparing the drawings and the description of the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and thorough understanding to the utility model concept, technical scheme of the utility model, and help its implementation.
[0019] Please refer to Figure 1The utility model provides a kind of railway piece rail guard cover production is bent knife, guard cover 1 is U-shaped, bent knife 2 is 7-shaped, bent knife 2 is divided into long plate 21 and short plate 22 that are mutually connected and constitute 7-shaped, the outside end corner of long plate 21 far from short plate 22 one end is right angle;By 7-shaped bent knife 2, after placing bent knife 2 on the plate material to be bent, the plate material is bent to adhere to the outside surface of bent knife 2, then reverse bent knife 2 is placed, and repeated operation can complete the bending of plate material, bending efficiency is high and angle is in place, overall structure is simple, easy to operate, bending point is right angle using right angle end, so that the shape of the bent guard cover 1 is fixed, and the other end of the guard cover 1 is protected by 7-shaped bent knife 2, to avoid the other end being extruded by other structures during bending, causing bending angle problem.
[0020] Guard cover 1 is divided into middle plate 12 and side plate 11 arranged on both sides of middle plate 12, side plate 11 and middle plate 12 are attached to the two side walls of the right angle end of long plate 21, and the end of long plate 21 is attached to middle plate 12;The perpendicular between long plate 21 and short plate 22 is realized using the right angle end of long plate 21, the bending efficiency is high, and the angle is accurate.
[0021] The end of side plate 11 located on the end of middle plate 12 far from long plate 21 is located on the inside of bent knife 2;The end that has been bent is protected by bent knife 2 to avoid being extruded by other structures, causing bending angle abnormality.
[0022] The inside of bent knife 2 is arc-shaped;It is convenient for processing, can improve the overall structural strength, and reduce the occurrence of fracture.
[0023] There is a gap between the inside surface of bent knife 2 and the end of side plate 11;To avoid direct extrusion of the end by bent knife 2, ensure the accuracy of bending angle.
[0024] The outside of short plate 22 is provided with clamping plate 3, and clamping plate 3 is perpendicular to short plate 22;Clamping plate 3 is clamped and fixed by clamping tool, to avoid the whole device from shaking.
[0025] The length of the outer wall of long plate 21 is the same as the length of side plate 11;To avoid the end of side plate 11 from bending due to insufficient pressure surface when bending.
[0026] Long plate 21 is located on the inside of guard cover 1;Long plate 21 and middle plate 12 can be attached to the adjacent two faces of long plate 21, to facilitate bending.
[0027] Working principle:
[0028] S1: make a bending point mark on the plate material needed to be bent, and place the long plate 21 end of the bending knife 2 on one mark line of the plate material, and fix the clamping plate 3 with a tool;
[0029] S2: bend one end of the plate material outside the long plate 21 to the long plate 21 direction until it is attached to the outer side surface of the long plate 21;
[0030] S3: after the bending knife 2 is taken off, place it reversely on another mark line of the plate material, and fix the clamping plate 3 with a tool, and the already bent end of the plate material is located inside the bending knife 2;
[0031] S4: bend one end of the plate material outside the long plate 21 to the long plate 21 direction until it is attached to the outer side surface of the long plate 21, and complete the bending.
[0032] The technical effect of the utility model is: through the 7-shaped bending knife 2, after placing the bending knife 2 on the plate material to be bent, bending the plate material to be attached to the outer side surface of the bending knife 2, and then placing the bending knife 2 reversely, repeating the operation, the bending of the plate material can be completed, the bending efficiency is high and the angle is in place, the overall structure is simple and the operation is convenient.
[0033] The utility model is described exemplarily above in combination with the drawings. Apparently, the specific implementation of the utility model is not limited by the above mode. As long as various non-essential improvements are carried out by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A bending tool for producing a railway point blade guard, characterized in that: The protective cover (1) is U-shaped, the bending knife (2) is 7-shaped, the bending knife (2) is divided into a long plate (21) and a short plate (22) which are connected to form a 7-shaped, and the outer side end corner of the long plate (21) away from the short plate (22) is a right angle.
2. The bending tool for producing a railway point blade protection cover according to claim 1, characterized in that: The protective cover (1) is divided into a middle plate (12) and side plates (11) arranged on both sides of the middle plate (12), the side plates (11) and the middle plate (12) are attached to the two side walls of the right angle end of the long plate (21), and the end of the long plate (21) is attached to the middle plate (12).
3. The bending tool according to claim 2, characterized in that: The end of the side plate (11) away from the long plate (21) on the middle plate (12) is located on the inner side of the bending knife (2).
4. The bending tool according to claim 3, characterized in that: The inner side of the bending knife (2) is arc-shaped.
5. The bending tool according to claim 4, characterized in that: There is a gap between the inner side surface of the bending knife (2) and the end of the side plate (11).
6. The bending tool according to claim 1, characterized in that: The outer side of the short plate (22) is provided with a clamping plate (3), and the clamping plate (3) is perpendicular to the short plate (22).
7. The bending tool according to claim 2, characterized in that: The length of the outer wall of the long plate (21) is the same as the length of the side plate (11).
8. The bending tool according to claim 1, characterized in that: The long plate (21) is located on the inner side of the protective cover (1).
Citation Information
Patent Citations
Turnout switch rail protection cover
CN218779250U