CN112548810B

CN112548810B - Welding polisher

Info

Publication number: CN112548810B
Application number: CN202011400254.4A
Authority: CN
Inventors: 张松; 张永峰; 杨永春; 杜超; 马义强
Original assignee: CRRC Shijiazhuang Co Ltd
Current assignee: CRRC Shijiazhuang Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-02-25
Anticipated expiration: 2040-12-04
Also published as: CN112548810A

Abstract

The invention provides a welding polisher, which belongs to the technical field of welding mechanical arms and comprises a base, an elastic adjusting frame, a connecting frame and a grinding tool, wherein the elastic adjusting frame is arranged on the base; the base is provided with a roller and a pushing handle; the elastic adjusting frame is arranged on one side of the base and is fixedly connected with the outer side surface of the base; the connecting frame and the elastic adjusting frame are arranged on the same side and fixedly connected with the outer side surface of the base, and the elastic adjusting frame and the connecting frame are oppositely arranged at intervals; the grinding tool is arranged between the elastic adjusting frame and the connecting frame; the head of the grinding tool is connected with the elastic adjusting frame, and the tail of the grinding tool is connected with the connecting frame; the grinding tool adjusts the position of the machine head of the grinding tool by means of the elastic adjusting frame and adapts to the height of a weld joint to be ground. According to the welding polisher, the base is pushed to drive the grinding tool to move, the head of the grinding tool is always tightly attached to the welding line under the action of the elastic adjusting frame, the rotating grinding tool polishes the welding line smoothly and leaks metal luster, and the polishing process is rapid and accurate.

Description

Welding polisher

Technical Field

The invention relates to the technical field of welding and polishing, in particular to a welding and polishing machine.

Background

The welding technology is the most widely used rapid forming processing means at present, is often adopted in the processing of large parts, particularly the welding between long and thick plates, has defects of different degrees, such as welding beading, pits, slag inclusion and the like after welding, seriously influences the beautiful appearance, and often needs to polish the welding surface after a welding machine. The working errors are less and the working efficiency is high. The manual hand-held grinding tool operation mode is adopted, the efficiency is low, the labor intensity is high, the consistency is poor, and the grinding is not accurate.

Disclosure of Invention

The invention aims to provide a welding polisher to solve the problems of high polishing labor intensity, inaccurate polishing and the like in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a welding sander comprising:

the base is provided with a roller and a push handle;

the elastic adjusting frame is arranged on one side of the base and is fixedly connected with the outer side surface of the base;

the connecting frame is arranged on the same side as the elastic adjusting frame and is fixedly connected with the outer side surface of the base, and the elastic adjusting frame and the connecting frame are oppositely arranged at intervals;

the grinding tool is arranged between the elastic adjusting frame and the connecting frame; the machine head of the grinding tool is connected with the elastic adjusting frame, and the machine tail is connected with the connecting frame;

the grinding tool adjusts the position of the machine head of the grinding tool by means of the elastic adjusting frame and adapts to the height of a weld joint to be ground;

the elastic adjusting bracket includes:

the first connecting part is fixedly connected with the outer side surface of the base; the first connecting part is provided with a mounting hole from top to bottom; the lower end of the first connecting part is provided with a limiting groove, and the mounting hole is communicated with the bottom surface of the limiting groove;

one end of the first clamping seat is connected in the limiting groove in a sliding manner; the head of the grinding tool is connected with the other end of the first clamping seat;

the first screw is arranged in the limiting groove; the upper end of the first screw rod penetrates through the mounting hole and is positioned outside the first connecting part, and the first screw rod is locked by a nut; the lower end of the first screw is fixedly connected with the first clamping seat;

the first elastic element is sleeved on the first screw rod, and the upper end and the lower end of the first elastic element are respectively connected with the bottom surface of the limiting groove and the first clamping seat.

As another embodiment of the application, the grinding tool head is hinged with the other end of the first clamping seat.

As another embodiment of the present application, a first open slot is formed at one end of the first clamping seat, which is far away from the first connecting portion, and a machine head of the grinding tool is connected to a slot sidewall of the first open slot.

As another embodiment of the present application, an installation portion is disposed on a side surface of the base, and a through hole corresponding to the installation hole is disposed on the installation portion; the first connecting portion is provided with a connecting hole, and the first connecting portion is sleeved on the mounting portion.

As another embodiment of the present application, the connection frame includes:

the second connecting part is fixedly connected with the outer side surface of the base; the second connecting part is provided with a connecting hole from top to bottom;

the upper end of the second screw penetrates through the connecting hole and is positioned outside the second connecting part, and the second screw is locked by a nut;

the upper end of the second elastic element is connected with the lower end of the second screw rod;

the second clamping seat is connected with the lower end of the second elastic element; the tail of the grinding tool is connected to the second clamping seat.

As another embodiment of the present application, a second open slot is formed in the second card seat, and a limit shaft for connecting with the lower end of the second elastic element is disposed in the second open slot; and the tail of the grinding tool is arranged in the second open slot.

As another embodiment of the present application, a switch for controlling the opening or closing of the grinding tool is disposed on the pushing handle.

As another embodiment of this application, be equipped with the reel on the base, the last winding of reel with the cable conductor that the grinding apparatus is connected.

As another embodiment of the present application, the number of the elastic adjusting frames is two, and the two elastic adjusting frames are respectively arranged on two sides of the base; the connecting frames are two and are respectively arranged on two sides of the base.

The welding polisher provided by the invention has the beneficial effects that: and (4) moving the base to a to-be-polished part by a hand pushing hand, and aligning the grinding sheet of the grinding tool to the welding line to be polished. The grinding tool is started, the pushing hand is pushed, the grinding tool is slowly moved along the welding line, the connecting frame supports the tail of the grinding tool, the machine head of the grinding tool is connected with the elastic adjusting frame, the grinding piece of the grinding tool can be always attached to the welding line, the welding line is polished through the grinding tool, the weld beading and slag inclusion are removed, and the welding line is smooth and shows metallic luster. The grinding tool is driven to move by pushing the base, the rotating grinding tool polishes the welding line smoothly and leaks metal luster, the polishing process is simple and quick, and a large amount of manpower is saved.

Drawings

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

FIG. 1 is a schematic structural view of a welding sander according to an embodiment of the present invention;

fig. 2 is a schematic view of a first bracket of the welding sander according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a base; 11. a roller; 12. a pushing handle; 13. an installation part; 2. an elastic adjusting frame; 21. a first connection portion; 211. a limiting groove; 22. a first screw; 23. a first elastic element; 24. a first card holder; 241. a first open slot; 3. a connecting frame; 31. a second connecting portion; 32. a second screw; 33. a second elastic element; 34. a second card holder; 341. a second open slot; 3411. a limiting shaft; 4. an abrasive article; 5. a reel; 6. and (4) switching.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the 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 is therefore not to be construed as limiting the 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, a welding sander according to the present invention will now be described. A welding polisher comprises a base 1, an elastic adjusting frame 2, a connecting frame 3 and a grinding tool 4; the base 1 is provided with a roller 11 and a push handle 12; the elastic adjusting frame 2 is arranged on one side of the base 1 and is fixedly connected with the outer side surface of the base 1; the connecting frame 3 is arranged at the same side of the elastic adjusting frame 2 and is fixedly connected with the outer side surface of the base 1, and the elastic adjusting frame 2 and the connecting frame 3 are oppositely arranged at intervals; the grinding tool 4 is arranged between the elastic adjusting frame 2 and the connecting frame 3; the head of the grinding tool 4 is connected with the elastic adjusting frame 2, and the tail of the grinding tool is connected with the connecting frame 3; the grinding tool 4 adjusts the position of the head of the grinding tool 4 by means of the elastic adjusting frame 2 and adapts to the height of a weld joint to be ground.

Compared with the prior art, the welding polisher provided by the invention has the advantages that the push hand 12 is held by hand, the base 1 is moved to a workpiece to be polished, and the grinding sheet of the grinding tool 4 is aligned to a welding line to be polished. Start grinding apparatus 4, promote pushing hands 12, make grinding apparatus 4's abrasive disc along the welding seam slow movement, the link 3 erects grinding apparatus 4's tail, and grinding apparatus 4's aircraft nose is connected with elasticity adjusting bracket 2 for grinding apparatus 4's abrasive disc can be hugged closely with the welding seam all the time, and the welding seam is polished the back through grinding apparatus 4, clears away the weld beading and presss from both sides the sediment, and the welding seam becomes level and smooth and shows metallic luster. Drive grinding apparatus 4 through promoting base 1 and remove, pivoted grinding apparatus 4 is polished the welding seam and is leveled and spill metallic luster, and the process of polishing is quick and polish accurately.

Referring to fig. 1 and fig. 2, as a specific embodiment of the welding and grinding machine provided by the present invention, the elastic adjusting frame 2 includes a first connecting portion 21, a first clamping seat 24, a first screw 22, and a first elastic element 23; the first connecting part 21 is fixedly connected with the outer side surface of the base 1; the first connecting part 21 is provided with a mounting hole from top to bottom; the lower end of the first connecting part 21 is provided with a limiting groove 211, and the mounting hole is communicated with the bottom surface of the limiting groove 211; one end of the first clamping seat 24 is slidably connected in the limiting groove 211; the head of the grinding tool 4 is connected with the other end of the first clamping seat 24; the first screw 22 is arranged in the limit groove 211; the upper end of the first screw 22 passes through the mounting hole and is positioned outside the first connecting part 21, and is locked by a nut; the lower end of the first screw 22 is fixedly connected with the first clamping seat 24; the first elastic element 23 is sleeved on the first screw 22, and the upper and lower ends thereof are respectively connected with the bottom surface of the limiting groove 211 and the first clamping seat 24. The first elastic element 23 is sleeved on the first screw 22 and is connected with the first connecting portion 21 and the first clamping seat 24 respectively, one end of the first screw 22 penetrates through a mounting hole of the first connecting portion 21 and is locked by a nut, the mounting hole is vertically arranged from top to bottom, the other end of the first screw 22 is fixedly connected with the first clamping seat 24, one end of the first clamping seat 24 vertically slides in a limiting groove 211 of the first connecting portion 21 by compressing the first elastic element 23, the other end of the first clamping seat 24 is connected with the grinding tool 4, the grinding tool 4 vertically slides up and down in the limiting groove 211 along with the first clamping seat 24 and cannot swing left and right, the grinding tool 4 can always move along a welding line in the grinding process, the first elastic element 23 is always tightly attached to the welding line, and the grinding effect is guaranteed.

Optionally, the first elastic element 23 is in the form of a coil spring, a belleville spring, a rubber spring, etc., and may be specifically selected according to the product requirements.

Referring to fig. 1 and 2, as an embodiment of the welding sander provided by the present invention, a head of the grinding tool 4 is hinged to the other end of the first clamping seat 24. During normal polishing, the head of the grinding tool 4 is inclined downwards, and the grinding sheet of the grinding tool 4 is contacted with a workpiece to be polished. The aircraft nose of grinding apparatus 4 is articulated with first cassette 24, and the aircraft nose of grinding apparatus 4 can rotate, and when having weld beading or welding slag in the welding seam, the aircraft nose of grinding apparatus 4 not only can reciprocate along with first cassette 24, can rotate again, and the flexibility ratio of 4 aircraft noses of grinding apparatus improves, can make 4 various environments of polishing of adaptation of grinding apparatus.

Optionally, the grinding tool 4 is an angle grinder, the angle grinder is a common tool for grinding the welding seam, and the angle grinder has the advantages of being simple in structure, light, convenient to maintain, low in cost and the like.

Referring to fig. 1 and 2, as an embodiment of the welding sander provided by the present invention, a first opening groove 241 is provided at an end of the first clamping seat 24 away from the first connecting portion 21, and a head of the grinding tool 4 is connected to a groove sidewall of the first opening groove 241. The angle grinder 4 is selected as an angle grinder, auxiliary handle mounting holes are reserved on two sides of a machine head of the angle grinder, the angle grinder is placed on the first clamping seat 24, a pin shaft with threads at one end penetrates through the first open slot 241 and is screwed into the auxiliary handle mounting holes, and the machine head of the angle grinder can rotate around the pin shaft at the moment. When the grinding tool 4 encounters weld beading or welding slag in the grinding process, the head of the grinding tool 4 can move up and down and rotate to adapt to the unevenness of the welding seam.

Referring to fig. 1, as a specific embodiment of the welding sander provided by the present invention, a mounting portion 13 is disposed on a side surface of a base 1, and a through hole corresponding to the mounting hole is disposed on the mounting portion 13; the first connecting portion 21 is provided with a connecting hole, and the first connecting portion 21 is sleeved on the mounting portion 13. The side of the base 1 is provided with an installation part 13, the first connection part 21 is sleeved on the installation part 13, and the first screw 22 passes through an installation hole of the first connection part 21 and a through hole of the installation part 13 to connect the first connection part 21 and the second connection part 31 together. The installation part 13 is independently arranged, a plurality of through holes can be formed in the installation part 13, the first connecting part 21 is connected with the grinding tool 4, the first connecting part 21 is connected through different through holes, the position of the grinding tool 4 on the installation part 13 can be adjusted, and the welding grinding tool is suitable for welding grinding under various working conditions.

Referring to fig. 1, as an embodiment of the welding and grinding machine provided by the present invention, the connecting frame 3 includes a second connecting portion 31, a second screw 32, a second elastic element 33, and a second clamping seat 34; the second connecting part 31 is fixedly connected with the outer side surface of the base 1; the second connecting portion 31 is provided with a connecting hole from top to bottom; the upper end of the second screw 32 passes through the connecting hole and is positioned outside the second connecting part 31, and is locked by a nut; the upper end of the second elastic element 33 is connected with the lower end of the second screw rod 32; the second clamping seat 34 is connected with the lower end of the second elastic element 33; the tail of the grinding tool 4 is attached to the second holder 34. The second clamping seat 34 is connected to the lower end of the second elastic element 33, the upper end of the second elastic element 33 is connected to the lower end of the second screw rod 32, and the upper end of the second screw rod 32 passes through the connecting hole of the second connecting part 31 and is locked by a nut. The end of the grinding tool 4 is connected with the second clamping seat 34, so that the tail of the grinding tool 4 is higher than the head of the grinding tool 4, the gravity of the tail of the grinding tool 4 is overcome through the stretching action of the second elastic element 33, and when the head of the grinding tool 4 moves up and down, the tail of the grinding tool 4 can move up and down along with the head of the grinding tool 4.

Optionally, the second elastic element 33 is a metal coil spring, a rubber spring, or the like, which is specifically determined according to production requirements.

Preferably, the first connecting portion 21 is close to the side of the handle 12, and the second connecting portion 31 is far from the handle 12; promote base 1 and drive the angle mill and remove, the tail of grinding apparatus 4 moves forward this moment, when meetting big welding beading or welding slag, the angle mill can lift along welding beading or welding slag to compress tightly first elastic element 23, the angle mill under the reaction force of first elastic element 23, the dynamics of cleaing away to welding beading or welding slag is increaseed, can also guarantee the angle mill not damaged when guaranteeing the clearance effect.

Referring to fig. 1, as a specific embodiment of the welding grinder provided in the present invention, a second open slot 341 is disposed on the second clamping seat 34, and a limiting shaft 3411 for connecting with a lower end of the second elastic element 33 is disposed in the second open slot 341; the tail of the grinding tool 4 is installed in the second opening groove 341. The tail of the grinding tool 4 is mounted in the second opening groove 341, the limiting shaft 3411 is connected with the lower end of the second elastic element 33, and the second clamping seat 34 rotates around the limiting shaft 3411. When the head of the grinding tool 4 encounters the defects of welding beading and the like in the grinding process, the head of the mould can move up and down and rotate, and the tail of the grinding tool 4 moves along with the movement of the head, so that the grinding tool 4 moves more flexibly when encountering the obstacles of welding beading and the like, and the grinding tool 4 can be prevented from being damaged while the welding quality is ensured.

Referring to fig. 1, as an embodiment of the welding and grinding machine provided by the present invention, a switch 6 for controlling the grinding tool 4 to be turned on or off is provided on the pushing handle 12. Switch 6 of control mould sets up on pushing hands 12, and the staff conveniently controls opening or closing of mould when the operation of polishing, makes things convenient for the staff to control grinding apparatus 4, improves work efficiency.

Referring to fig. 1, as an embodiment of the welding sander provided by the present invention, a reel 5 is provided on a base 1, and an electric wire connected to a grinding tool 4 is wound on the reel 5. When the working range of the grindstone 4 is large, it is necessary to introduce power to the grindstone 4 from a remote place, store the electric wire on the reel 5, and as the working range of the grindstone becomes longer, the electric wire is unwound from the reel 5 to supply electric power to the grindstone 4 for use. The electric wire stored on the reel 5 increases the operating range of the grinder 4.

Referring to fig. 1, as a specific embodiment of the welding and grinding machine provided by the present invention, two elastic adjusting frames 2 are respectively disposed on two sides of the base 1; the two connecting frames 3 are respectively arranged at two sides of the base 1. The grinding tools 4 are distributed on two sides of the base 1, two welding seams can be simultaneously ground, and grinding efficiency is improved.

Optionally, grinding apparatus 4 transversely sets up the multiunit according to production needs, can polish by a plurality of welding seams simultaneously, and every group sets up a plurality of grinding apparatus 4 simultaneously, and a plurality of grinding apparatus 4 classify according to the degree of polishing and abrasive disc thickness and set up, finally guarantee to polish accurate and efficiency.

Optionally, the base 1 can be formed by welding sectional materials, so that the material cost and the processing cost are reduced.

Optionally, the roller 11 is divided into a directional wheel and a universal wheel; two universal wheels are arranged on one side of the base 1 close to the push handle 12; the side of the base 1 away from the pushing handle 12 is provided with two directional wheels. The hand-holding push handle 12 enables the grinding tool 4 to advance, the front part is a directional wheel, the directional wheel can better walk along a straight line, the direction cannot be changed randomly, and the operator can conveniently grind the straight welding line. One side close to the operator is provided with a universal wheel, so that the operator can control the direction of the base 1 conveniently.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A weld sander, comprising:

the base is provided with a roller and a push handle;

the elastic adjusting bracket includes:

the first elastic element is sleeved on the first screw rod, and the upper end and the lower end of the first elastic element are respectively connected with the bottom surface of the limiting groove and the first clamping seat;

the head of the grinding tool is hinged with the other end of the first clamping seat;

a first open slot is formed in one end, far away from the first connecting part, of the first clamping seat, and the machine head of the grinding tool is connected with the slot side wall of the first open slot;

the link includes:

the second clamping seat is connected with the lower end of the second elastic element; the tail of the grinding tool is connected to the second clamping seat;

a second open slot is formed in the second clamping seat, and a limiting shaft used for being connected with the lower end of the second elastic element is arranged in the second open slot; and the tail of the grinding tool is arranged in the second open slot.

2. The welding sander as set forth in claim 1, wherein a mounting portion is provided on a side of the base, said mounting portion being provided with a through hole corresponding to said mounting hole; the first connecting portion is provided with a connecting hole, and the first connecting portion is sleeved on the mounting portion.

3. The welding sander as set forth in claim 1, wherein the pusher has a switch for controlling the grinding tool to be turned on or off.

4. The welding sander as set forth in claim 1, wherein a reel is provided on the base, and a cable connected to the abrasive tool is wound around the reel.

5. The welding sander as set forth in claim 1, wherein said resilient adjustment bracket is two, one on each side of said base; the connecting frames are two and are respectively arranged on two sides of the base.