CN215998977U

CN215998977U - Tumor pushing knife

Info

Publication number: CN215998977U
Application number: CN202120918270.6U
Authority: CN
Inventors: 陈容; 杨云堂; 高林; 朱洪亮; 邹娟
Original assignee: Beijing Jianyi Technology Co ltd
Current assignee: Beijing Jianyi Technology Co ltd
Priority date: 2020-07-01
Filing date: 2021-04-29
Publication date: 2022-03-11
Anticipated expiration: 2031-04-29
Also published as: CN111872491A

Abstract

The utility model provides a knob pushing knife. The knob removing cutter comprises a cutter body and a plurality of blades with cutting edges, wherein the cutter body comprises a top cutter body, a left cutter body and a right bottom cutter body, one end of each of the left cutter body and the right bottom cutter body is hinged to the left side and the right side of the top cutter body respectively, the other end of each of the left cutter body and the right bottom cutter body is provided with a locking mechanism, the locking mechanisms can enable the left cutter body and the right bottom cutter body to be connected end to end and locked, the blades are detachably fixed on the top cutter body, the left cutter body and the right bottom cutter body respectively, and the cutting edges of the blades surround to form the section shape of a steel rail in a locking state of the left cutter body and the right bottom cutter body. The knob pushing cutter has the advantages of simple structure, light weight, convenience and flexibility in use, capability of adjusting resistance and stress position, blade replacement, long-term use, difficulty in deformation, long service life, high working efficiency, good welding knob pushing quality and the like.

Description

Tumor pushing knife

Technical Field

The utility model relates to the technical field of cutting, in particular to a knob removing tool.

Background

With the increasingly mature Chinese railway construction technology and the increasing expansion of high-speed rail and subway construction, steel rail welding is required in the process of line construction. At present, a beading cutter is mostly adopted to process a welding joint so as to reduce the workload of subsequent manual polishing, make the surface of a welding seam attractive, and improve the welding quality.

The traditional push button sword is with tool bit and cutter body welded joint, and cutter body and whole use of tool bit are nonmagnetic steel. When the steel rail is welded, the knob removing cutter cannot generate large heat, and the cutter edge of the knob removing cutter is in a low-temperature state; in the process of pushing the burrs, when the knife edge contacts the burrs, the temperature of the knife edge rises sharply, and the temperature change of the knife body is not large, so that the temperature difference is too large, and cracks are generated. Therefore, the push button knife needs to face severe working environments such as high temperature and high resistance during processing, thereby affecting the service life of the push button knife.

In view of this, the utility model is particularly proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a knob pushing cutter which can adjust resistance and stress position, can replace a blade, is not easy to deform after long-term use, and has the advantages of long service life, high working efficiency, good welding knob pushing quality and the like.

The utility model provides a knurl cutter which comprises a cutter body and a plurality of blades with cutting edges, wherein the cutter body comprises a top cutter body, a left cutter body and a right bottom cutter body, one end of each of the left cutter body and the right bottom cutter body is hinged to the left side and the right side of the top cutter body respectively, the other end of each of the left cutter body and the right bottom cutter body is provided with a locking mechanism, the locking mechanisms can enable the left cutter body and the right bottom cutter body to be connected end to end and locked, the blades are detachably fixed on the top cutter body, the left cutter body and the right bottom cutter body respectively, and the cutting edges of the blades surround to form the cross section shape of a steel rail in the locking state of the left cutter body and the right bottom cutter body.

In one embodiment, the right bottom cutter body comprises a right cutter body and a bottom cutter body which are integrally formed, the plurality of blades comprises a rail top blade, two rail head side blades, two rail web blades, two rail foot blades and two rail foot blades, the rail top blade is fixed on the top cutter body, the two rail head side blades, the two rail web blades and the two rail foot blades are respectively and oppositely fixed on the left cutter body and the right cutter body, and the two rail foot blades are fixed on the bottom cutter body.

In one embodiment, the opposing sides of each blade are provided with cutting edges and expansion gaps are provided between adjacent blades.

Furthermore, an arc or a chamfer is arranged on the cutting edge of the blade, and arcs are arranged at two ends of the cutting edge of the blade.

In one embodiment, a reinforcing rib is provided at the junction between the top cutter body, the left cutter body and the right bottom cutter body.

In one embodiment, at least one spacer or pad is provided opposite the back of the left and right bottom cutters.

Furthermore, a plurality of screw holes are formed in different positions of the left cutter body and the right cutter body, and at least one gasket or cushion block is fixed to the left cutter body and the right cutter body through screws.

In an embodiment, the locking mechanism comprises a handle and an ear-shaped pin, the ear-shaped pin is fixed on the right bottom cutter body, the handle is hinged on the left cutter body, and a hook capable of being locked with the ear-shaped pin is hinged on the handle.

Furthermore, the hook and the handle are positioned on the same plane, the handle is obliquely arranged relative to the central axis of the steel rail, and the inclination angle is 5-15 degrees.

In one embodiment, the heat insulating layer is provided in the longitudinal direction of the inner contour of the cutter body, and the connection port and the plurality of heat radiation holes are provided in the back surface of the cutter body.

According to the technical scheme, the cutter body is split, so that the cutter body can be recycled; meanwhile, the plurality of blades are arranged in a detachable mode, so that the blades can be replaced conveniently, the material cost can be reduced, and the service life of the cutter for pushing the knurls can be prolonged conveniently. In addition, the expansion gap is arranged between the blades, so that the problem of blade edge cracks can be effectively solved; through setting up gasket or cushion, can change thrust impetus and adjust the resistance, make cutting edge atress even in the course of the work, effectively solved and pushed away the asymmetric scheduling problem of flash allowance after the flash. The tumor pushing knife is simple in structure, light in weight, convenient and flexible to use, adjustable in resistance and stress position, replaceable in blade, not prone to deformation after long-term use, and has the advantages of long service life, high working efficiency, good tumor pushing quality in welding and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of a wart pusher in accordance with an embodiment of the utility model;

FIG. 2 is a side view of a push button knife in accordance with an embodiment of the present invention;

FIG. 3 is a rear view of a wart pusher according to an embodiment of the utility model;

FIG. 4 is a schematic structural view of a burr-pushing blade according to an embodiment of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic structural view of a wart-pushing knife in an unlocked state according to an embodiment of the utility model;

FIG. 7 is a schematic structural view of a knurl cutter hung on a steel rail according to an embodiment of the present invention;

fig. 8 is a schematic view of a locking state of the push button cutter according to the embodiment of the present invention after being hung on a rail.

Description of reference numerals:

1: a top cutter body; 2: a left cutter body; 3: a right bottom cutter body; 4: a rail top blade; 5: a railhead side blade; 6: a rail web blade; 7: rail foot blades; 8: a rail foot blade; 9: an adjustable screw; 10: a spring; 11: a middle axle pin; 12: positioning pins; 13: hooking; 14: a handle; 15: an ear-shaped pin; 16: expanding the seam; 17: circular arc or chamfer; 18: a circular arc; 19: reinforcing ribs; 20: a gasket or block; 21: a thermal insulation layer; 22: a connecting port; 23: heat dissipation holes; 24: a pin; 25: fixing screws; 26: fixing the threaded hole; 27: a screw; 28: a steel rail.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, the knob removing tool of the present invention includes a tool body and a plurality of blades having cutting edges, the tool body includes a top tool body 1, a left side tool body 2 and a right side bottom tool body 3, one end of the left side tool body 2 and one end of the right side bottom tool body 3 are respectively hinged to the left side and the right side of the top tool body 1, the other end of the left side tool body 2 and the other end of the right side bottom tool body 3 are respectively provided with a locking mechanism, the locking mechanism can connect and lock the left side tool body 2 and the right side bottom tool body 3 end to end, the plurality of blades are respectively detachably fixed on the top tool body 1, the left side tool body 2 and the right side bottom tool body 3, and the cutting edges of the plurality of blades surround the cross-sectional shape of the steel rail 28 in a locking state of the left side tool body 2 and the right side bottom tool body 3.

As shown in fig. 1 to 3, the cutter body of the present invention is provided in a split type; specifically, the cutter body can comprise top cutter body 1, left side cutter body 2 and right side bottom cutter body 3, and wherein right side bottom cutter body 3 is the L type roughly, and it includes integrated into one piece's right side cutter body and bottom cutter body. One end of the left cutter body 2 and one end of the right bottom cutter body 3 are respectively hinged to the left side and the right side of the top cutter body 1, so that the left cutter body and the right cutter body can rotate relative to the top cutter body 1, and the knurl pushing cutter can be conveniently hung on a steel rail 28; the manner of hinging is not critical and can be conventional in the art, for example, pin holes are formed in both ends of the top blade 1 and one end of the left and

right bottom blades

2, 3 and connected by the pin 24. Through setting up the cutter body into split type for each part of cutter body can reuse, and each part of cutter body can realize standardized construction, only needs to change the part of damage when using, thereby can reduce the consumptive material cost, improves the life who pushes away the tumor sword.

The knob removing tool of the utility model comprises a plurality of blades, the number of the plurality of blades is not strictly limited, as long as the cutting edges of the plurality of blades can surround to form the section shape of the steel rail 28 under the locking state of the left side tool body 2 and the right side bottom tool body 3.

As shown in fig. 4, in one embodiment, the plurality of blades includes one rail top blade 4, two rail head side blades 5, two rail web blades 6, two rail foot blades 7, and two rail bottom blades 8; the rail top blade 4 is fixed on the top cutter body 1, the two rail head side blades 5, the two rail waist blades 6 and the two rail foot blades 7 are respectively and oppositely fixed on the left cutter body 2 and the right cutter body, and the two rail foot blades 8 are fixed on the bottom cutter body. At this time, the service life of the blade can be set according to the actual measurement of the service life of the blade, and the blade can be replaced according to the service life, so that standardized construction can be realized. Set up a plurality of blades through above-mentioned mode, be favorable to changing the blade, need not to change whole blade when using, and only need change the blade of damage and can continue to use, existing the saving cost that is favorable to, it is comparatively convenient to change the operation simultaneously to the efficiency of construction has been improved effectively.

It will be appreciated that the blade has a cutting edge; preferably, the cutting edges can be arranged on two opposite side surfaces of each blade, namely, a double-sided blade design mode is adopted, and when one side cutting edge of each blade is worn or damaged, the blade can be continuously used only by replacing the other side cutting edge. The mode is convenient to replace, and meanwhile, the whole tumor pushing knife does not need to be replaced by spending more time, so that the time for testing the quality of the welded joint is ensured, and the working efficiency is improved.

Further, as shown in fig. 4, an arc or chamfer 17 may be provided at the edge of the blade, and arcs 18 may be provided at both ends of the edge of the blade. In particular, as shown in fig. 5, expansion gaps 16 may be provided between adjacent blades, thereby effectively solving the problem of edge cracking and improving the service life of the blades.

The detachable installation mode of the blade on the cutter body is not strictly limited, and the blade can be installed and fixed by adopting a conventional detachable installation mode in the field; specifically, fixing threaded holes 26 may be provided in the inserts, and each insert may be fixed to the corresponding cutter body by fixing screws 25.

In order to ensure the strength of the cutter bodies, reinforcing ribs 19 can be arranged at the joints among the left cutter body 2, the top cutter body 1 and the right bottom cutter body 3, and the reinforcing ribs 19 can be welded at the joints of the cutter bodies; at the moment, the thickness of each cutter body can be reduced properly, so that the overall weight of the tumor pushing cutter is reduced by 10-15%, and the manual output and the operation time of an operator are saved.

Further, as shown in fig. 2, at least one spacer or cushion block 20 may be oppositely disposed on the back surfaces of the left-side cutter body 2 and the right-side bottom cutter body 3, and the spacer or cushion block 20 may be directly welded on the back surface of the cutter body, or may be detachably mounted and fixed on the cutter body according to actual requirements; in addition, the number and the arrangement positions of the gaskets or the cushion blocks 20 are not strictly limited, and the gaskets or the cushion blocks can be reasonably arranged according to actual needs. The pad or the cushion block 20 has the functions of changing thrust force points and adjusting resistance, so that the blade is stressed uniformly in the working process, the purpose of uniform and symmetrical allowance is achieved, and the problems of asymmetrical welding allowance and the like after the welding is pushed are effectively solved.

In particular, a plurality of screw holes may be provided at different positions of the left and right

bottom cutter bodies

2, 3, and at least one spacer or pad 20 may be fixed to the left and right

bottom cutter bodies

2, 3 by means of screws 27. At this time, the position of the gasket or the cushion block 20 can be changed by fixing the gasket or the cushion block 20 on screw holes at different positions; meanwhile, the thickness of the spacer or pad 20 may be changed by increasing or decreasing the number of spacers or pads 20. In the setting mode, the position and the thickness of the gasket or the cushion block 20 can be changed according to the field requirements, so that the resistance and the stress position can be adjusted according to actual needs, and the problems of asymmetrical welding beading allowance after beading pushing and the like caused by uneven resistance and inconsistent force points are solved; when the cutter body of the knob removing cutter deforms, the service life of the whole system of the knob removing cutter can be prolonged by correcting the rear gasket or the cushion block 20.

In the utility model, the locking mechanism is mainly used for connecting and locking the left cutter body 2 and the right bottom cutter body 3 end to end, and the specific structure is not strictly limited. In one embodiment, the locking mechanism may include a handle 14 and an ear-shaped pin 15, the ear-shaped pin 15 may be fixed to the right bottom blade body 3, the handle 14 may be hinged to the left blade body 2, and the handle 14 is hinged to a hook 13 that can be locked to the ear-shaped pin 15.

The manner of articulation between the parts of the locking mechanism is not critical, for example, one end of a handle 14 may be articulated to the left blade body 2 by means of a positioning pin 12, while a hook 13 may be articulated to the handle 14 by means of an adjustable screw 9, a spring 10, a central pivot 11, etc. In the mode, the ear-shaped pin 15 is arranged, so that the rigidity of the connecting and locking part can be effectively improved, the pulling force exerted on the ear-shaped pin 15 by the left and right cutter bodies in the process of pushing the burrs is effectively resisted, and the ear-shaped pin is not easy to deform after long-term use; in addition, the arrangement mode can ensure the rigidity of the handle, the bearing pressure of the hook 13 and the handle 14 can be distributed during work, and the problem that the handle 14 is automatically opened due to the attenuation of the elastic force of the spring in the process of pushing the knurl does not exist.

Furthermore, the hook 13 and the handle 14 can be positioned on the same plane, when the knob removing knife is stressed, the hook 13 can firmly lock the handle 14 so that the knob removing knife cannot rotate, and therefore the problems that the handle 14 is automatically opened and the like can be effectively solved; in addition, the handle 14 of the locking mechanism can be positioned on the side surface of the knife body and is connected with the part for opening and closing the shaft point, so that the tumor pushing knife can be moved and opened by lifting upwards during tumor pushing, and the use is more convenient and flexible. In the utility model, the handle 14 can be obliquely arranged relative to the central axis of the steel rail 28, the inclination angle can be 5-15 degrees, and the hook 13 and the ear-shaped pin 15 and the handle 14 can be locked simultaneously when the knob pushing tool is stressed, so that the problems that the hook 13 is automatically loosened before the knob pushing tool is pushed and the like are solved.

In addition, a heat insulation layer 21 can be longitudinally arranged on the inner contour of the cutter body so as to block heat absorbed by the cutter body when part of the cutter body is welded and burred; the back of the cutter body can be provided with a connecting port 22 and a plurality of heat dissipation holes 23, so that the problem of thermal deformation caused by slow heat dissipation of the cutter body can be effectively solved.

In the knob pushing cutter, the cutter body, the locking mechanism and other accessories can be made of micro-magnetic high-strength heat-resistant steel materials. When the manual operation, can set up high temperature resistant gloves, it can be resistant 500 ℃ of high temperature, and safety protection performance is high, can improve the safety protection to the operator, prevents to scald.

The tumor pushing knife of the utility model is used in the following process:

as shown in fig. 6 to 8, when the knob is pushed, the hook 13 is separated from the ear-shaped pin 15, the knob pushing cutter is in an unlocked state, the knob pushing cutter is placed on the steel rail 28 to be processed, the handle 14 is operated to hook the hook 13 on the ear-shaped pin 15, the knob pushing cutter is in a locked state, and then the knob pushing process can be performed; after processing, the surface of the steel rail 28 joint is smooth, the subsequent reserve is small and symmetrical, and the push button quality is good.

According to the technical scheme, the cutter body is split, so that the cutter body can be recycled; the plurality of blades are detachably arranged, so that the blades are convenient to replace, the material cost can be reduced, and the service life of the tumor pushing knife is prolonged; in addition, the expansion gap 16 is arranged between the blades, so that the problem of blade edge crack can be effectively solved; through setting up gasket or cushion 20, can change thrust impetus and adjust the resistance, make cutting edge atress in the course of the work even, effectively solved and pushed away the asymmetric scheduling problem of flash after flash surplus.

The knob pushing cutter has the advantages of simple structure, unique design, light weight, convenience and flexibility in use, capability of adjusting resistance and stress position, blade replacement, difficult deformation after long-term use, long service life, high working efficiency, good welding knob pushing quality and the like, and can be widely applied to the field of railway steel rail welding.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a knurl sword, a serial communication port, including cutter body and a plurality of blade that has the blade, the cutter body includes the top cutter body, left side cutter body and right side bottom cutter body, the one end of left side cutter body and right side bottom cutter body articulates the left and right sides at the top cutter body respectively, the other end at left side cutter body and right side bottom cutter body is equipped with locking mechanism, locking mechanism can make left side cutter body and right side bottom cutter body end to end connection and locking, a plurality of blades are fixed respectively on the top cutter body, left side cutter body and right side bottom cutter body, under left side cutter body and right side bottom cutter body locking state, the blade of a plurality of blades surrounds the cross sectional shape that forms the rail.

2. The knob knife according to claim 1, wherein the right bottom knife body comprises a right knife body and a bottom knife body which are integrally formed, the plurality of blades comprises a rail top blade, two rail head side blades, two rail web blades, two rail foot blades and two rail foot blades, the rail top blade is fixed on the top knife body, the two rail head side blades, the two rail web blades and the two rail foot blades are respectively fixed on the left knife body and the right knife body, and the two rail foot blades are fixed on the bottom knife body.

3. The knob pushing knife according to claim 1, wherein the opposing sides of each blade are provided with cutting edges and expansion gaps are provided between adjacent blades.

4. The knob removing tool according to claim 1, wherein an arc or a chamfer is provided at the cutting edge of the blade, and an arc is provided at both ends of the cutting edge of the blade.

5. The knob removing tool according to claim 1, wherein a reinforcing rib is provided at a junction between the top tool body, the left side tool body and the right side bottom tool body.

6. The knob pushing tool according to claim 1, wherein at least one spacer or pad is provided on the back of the left and right bottom tool bodies.

7. The knob removing tool according to claim 6, wherein a plurality of screw holes are formed at different positions of the left and right bottom tool bodies, and at least one spacer or block is fixed to the left and right bottom tool bodies by means of screws.

8. The knob removing tool according to claim 1, wherein the locking mechanism comprises a handle and a lug pin, the lug pin is fixed on the right bottom tool body, the handle is hinged on the left tool body, and a hook capable of locking with the lug pin is hinged on the handle.

9. The tumor pushing knife of claim 8, wherein the hook and the handle are positioned on the same plane, and the handle is inclined at an angle of 5-15 degrees with respect to the central axis of the steel rail.

10. The knob removing tool according to claim 1, wherein a heat insulating layer is provided in a longitudinal direction of an inner contour of the tool body, and a connection port and a plurality of heat radiation holes are provided in a rear surface of the tool body.