CN115351925A

CN115351925A - Eccentric ring saw

Info

Publication number: CN115351925A
Application number: CN202210998373.7A
Authority: CN
Inventors: 邓乐华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-18

Abstract

An eccentric ring-shaped saw comprises a bottom plate and a dovetail lifting assembly, wherein the bottom of a dovetail sliding block of the dovetail lifting assembly is connected with a fixed shaft, and an eccentric ring-shaped saw blade assembly and a mounting frame are arranged on the fixed shaft; the eccentric annular saw blade assembly comprises an eccentric disc and an annular saw blade connected with the outer ring of the eccentric disc through a bearing roller assembly, annular surface teeth are arranged on the side wall of the annular saw blade, and the fixed shaft is positioned on the upper center of the eccentric disc; a driving shaft is arranged between the mounting rack and the fixed shaft, and a driving gear meshed with the circular ring surface is arranged on the driving shaft. The fixed shaft is arranged to deviate from the center of the eccentric disc, so that the cutting depth can reach more than the radius of the annular saw blade, the eccentric disc, the bearing roller assembly and the annular saw blade form a bearing type structure, namely an inner ring is fixed and an outer ring rotates, so that the required driving force can be reduced, and in addition, the annular saw blade is of an integrated structure, so that water cooling can be performed, and the service life of the annular saw blade is prolonged.

Description

Eccentric ring saw

Technical Field

The invention relates to the technical field of stone processing equipment, in particular to an eccentric ring-shaped saw.

Background

With the updating of technology, new stone mining equipment appears on the market, such as: chain arm saws and circular saws. Compared with the traditional blasting mode, the mining mode of the chain arm saw or the circular saw is adopted, and although the personal threat and the environmental destruction are reduced to a certain extent, the mining mode still has the defects. For example: when the chain arm saw is used for cutting the stone, although a larger cutting depth can be achieved, a water cooling mode cannot be adopted, because the chain and the stone powder are ground when water cooling is adopted, the chain cannot be used; when the circular saw is used for cutting stone materials, although a water cooling mode can be adopted, the cutting depth is less than the radius of the saw blade.

Disclosure of Invention

Based on the above, the invention aims to provide an eccentric ring saw, which can adopt a water cooling mode and can also achieve the cutting depth which is more than the radius of a ring saw blade.

An eccentric annular saw comprises a bottom plate and a dovetail lifting assembly arranged on the bottom plate, wherein the bottom of a dovetail sliding block of the dovetail lifting assembly is connected with a fixed shaft, an eccentric annular saw blade assembly and an installation frame are arranged on the fixed shaft, and the installation frame stretches across the top of the eccentric annular saw blade assembly and is respectively connected with two ends of the fixed shaft;

the eccentric annular saw blade assembly comprises an eccentric disc fixed on the fixed shaft and an annular saw blade connected with the outer ring of the eccentric disc through a bearing roller assembly, annular surface teeth are arranged on the side wall, close to the dovetail lifting assembly, of the annular saw blade, and the fixed shaft is located on the upper center of the eccentric disc;

the mounting bracket with be equipped with the drive shaft between the fixed axle, install on the drive shaft with the drive gear that the meshing of ring face tooth is connected, the drive shaft is connected with the drive assembly on the forked tail slider.

Compared with the prior art, the cutting depth can reach more than the radius of the annular saw blade by mounting the fixed shaft to deviate from the center of the eccentric disc, the bearing roller assembly and the annular saw blade form a bearing type structure, namely, the inner ring is fixed and the outer ring rotates, so that the required driving force can be reduced, and in addition, the annular saw blade is of an integrated structure, so that water cooling can be performed, and the service life of the annular saw blade is prolonged.

Furthermore, the bottom plate is provided with an avoiding notch close to the side edge of the annular saw blade, the avoiding notch is located under the fixed shaft, and the fixed shaft can be accommodated.

Furthermore, an auxiliary shaft is fixedly arranged between the mounting frame and the fixed shaft, and an auxiliary rotating wheel is arranged on the auxiliary shaft;

the auxiliary rotating wheel is in rolling contact with the side wall of the annular saw blade and corresponds to the driving gear in position.

Further, the edge of the eccentric disc is provided with an outer step, the inner edge of the annular saw blade is provided with an inner step, the inner step and the annular surface teeth are respectively positioned on two sides of the annular saw blade, and the bearing roller assembly is positioned between the outer step and the inner step.

Further, a plurality of first oil holes are arranged at intervals at the bottom of the outer step, and the positions of the first oil holes correspond to the positions of the bearing roller assemblies.

Furthermore, an eccentric mounting hole is formed in the eccentric disc and connected with the fixed shaft.

Furthermore, a protection plate is arranged on one side, facing the bottom plate, of the annular saw blade, an eccentric fixing hole corresponding to the eccentric mounting hole is formed in the protection plate, and the eccentric fixing hole is connected with the fixing shaft;

the guard plate covers the torus teeth, the top of the guard plate is provided with an avoiding notch, and the driving gear is located in the avoiding notch.

Furthermore, the protection plate is provided with an auxiliary hole, and an auxiliary bolt connected with the eccentric disc is arranged in the auxiliary hole.

Furthermore, a plurality of second oil filler holes are arranged on the protection plate at intervals, and the positions of the second oil filler holes correspond to the positions of the circular ring surface teeth.

Further, the ring-shaped saw blade comprises a ring-shaped outer frame, and sawteeth or a mounting knife strip are welded on the edge of the ring-shaped outer frame.

Drawings

FIG. 1 is a schematic view of an eccentric circular saw according to the present invention;

FIG. 2 is a schematic view of the eccentric ring type saw blade assembly of FIG. 1 mounted on a stationary shaft;

fig. 3 is an exploded view of the eccentric ring type saw blade assembly of fig. 2.

Description of the main element symbols:

base plate	10	Avoidance notch	101
				Dovetail lifting assembly	11	Dovetail slide block	111
Sliding table	112	Fixed shaft	12
				Eccentric ring type saw blade component	13	Eccentric disc	131
Outer step	1311	First oil filler point	1312
				Eccentric mounting hole	1313	Bearing roller assembly	132
Ring saw blade	133	Circular ring surface tooth	1331
				Inner step	1332	Protective plate	134
Eccentric fixing hole	1341	Avoiding gap	1342
				Auxiliary hole	1343	Second oil filler hole	1344
Mounting rack	14	Drive shaft	15
				Driving gear	16	Drive assembly	17
Driving motor	171	Speed reducer	172
				Driving belt	173	Auxiliary shaft	18
Auxiliary runner	19	Armrest	20
				Auxiliary motor	21	Roller wheel	22
Connecting shaft	23	Belt pulley	24
				Auxiliary leather belt	25	Guide rail	26

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, an eccentric ring saw according to an embodiment of the present invention includes a base plate 10, and a dovetail lifting assembly 11 disposed on the base plate 10, wherein a fixed shaft 12 is connected to a bottom of a dovetail slider 111 of the dovetail lifting assembly 11, an eccentric ring saw blade assembly 13 and a mounting frame 14 are disposed on the fixed shaft 12, and the mounting frame 14 spans across a top of the eccentric ring saw blade assembly 13 and is respectively connected to two ends of the fixed shaft 12;

the eccentric ring-shaped saw blade assembly 13 comprises an eccentric disc 131 fixed on the fixed shaft 12, and a ring-shaped saw blade 133 connected with the outer ring of the eccentric disc 131 through a bearing roller assembly 132, wherein the ring-shaped saw blade 133 is provided with ring-shaped teeth 1331 on the side wall close to the dovetail lifting assembly 11, and the fixed shaft 12 is located on the upper center of the eccentric disc 11;

a driving shaft 15 is arranged between the mounting frame 14 and the fixed shaft 12, a driving gear 16 meshed with the circular ring surface teeth 1331 is mounted on the driving shaft 15, and the driving shaft 15 is connected with a driving assembly 17 on the dovetail sliding block 111.

In the present invention, the fixed shaft 12 is installed to be deviated from the center of the eccentric disc 131, so that the cutting depth can be more than the radius of the ring-shaped saw blade 133, up to two thirds of the diameter of the ring-shaped saw blade 133. Meanwhile, the eccentric disc 131, the bearing roller assembly 132 and the annular saw blade 133 form a bearing type structure, namely, the inner ring is fixed and the outer ring rotates, so that the required driving force can be reduced.

Specifically, forked tail lifting unit 11 comprises forked tail slider 111, slip table 112 and lead screw, can rotate through manual mode or electric mode drive lead screw, realizes forked tail slider 111's lift, and rethread forked tail slider 111 drives eccentric ring type saw bit subassembly 13's lift.

Referring to fig. 1, the driving assembly 17 includes a driving motor 171 disposed on the dovetail slider 111, a speed reducer 172 disposed on the top of the mounting frame 14 and connected to the driving shaft 15, and a driving belt 173 connecting the speed reducer 172 and the driving motor 171.

It should be noted that, both ends of the driving shaft 15 are respectively installed through bearings, the driving motor 171 drives the driving shaft 15 and the driving gear 16 to rotate after being decelerated by the decelerator 172, and the driving gear 16 is in meshing transmission with the circular ring-shaped teeth 1331, that is, the circular ring-shaped saw blade 133 is driven to rotate, so as to cut the stone material.

Referring to fig. 1, in a preferred embodiment of the present invention, an avoiding notch 101 is formed on a side of the bottom plate 10 close to the annular saw blade 133, and the avoiding notch 101 is located right below the fixed shaft 12 and can accommodate the fixed shaft 12 to pass through, so that a descending depth of the annular saw blade 133 is increased, and a cutting depth of the stone material is increased.

Referring to fig. 1 and 2, in another preferred embodiment of the present invention, an auxiliary shaft 18 is fixedly installed between the mounting frame 14 and the fixed shaft 12, and an auxiliary wheel 19 is disposed on the auxiliary shaft 18;

the auxiliary runner 19 is in rolling contact with a side wall of the circular saw blade 133, and corresponds to a position of the driving gear 16.

In this embodiment, the auxiliary wheel 19 is driven by the ring-shaped saw blade 133 to rotate, and assists in supporting the ring-shaped saw blade 133 to counteract the force of the driving gear 16 on the ring-shaped saw blade 133.

Referring to fig. 2 and 3, an outer step 1311 is formed at an edge of the eccentric disc 131, an inner step 1332 is formed at an inner edge of the ring blade 133, the inner step 1332 and the circular ring teeth 1331 are respectively located at both sides of the ring blade 133, and the bearing roller assembly 132 is located between the outer step 1311 and the inner step 1332.

In a preferred embodiment of the present invention, a plurality of first oil holes 1312 are spaced at the bottom of the outer step 1311, the positions of the first oil holes 1312 correspond to the positions of the bearing roller assemblies 132, and lubricating oil is injected through the first oil holes 1312 to achieve a lubricating effect.

Referring to fig. 2 and 3, an eccentric mounting hole 1313 is formed in the eccentric disc 131, and the eccentric mounting hole 1313 is connected to the fixed shaft 12, so that the eccentric mounting of the eccentric disc 131 is achieved.

Referring to fig. 2 and 3, in a preferred embodiment of the present invention, a protection plate 134 is disposed on one side of the circular saw blade 133 facing the base plate 10, an eccentric fixing hole 1341 corresponding to the eccentric mounting hole 1313 is disposed on the protection plate 134, and the eccentric fixing hole 1341 is connected to the fixing shaft 12;

the protection plate 134 covers the annular face teeth 1331, an avoidance gap 1342 is formed in the top of the protection plate, and the driving gear 16 is located in the avoidance gap 1342.

It should be noted that, in this embodiment, the circular ring surface teeth 1331 are shielded by the protection plate 134, so as to prevent impurities from splashing into the gaps between the teeth, thereby affecting the meshing transmission.

Further, the surface of the guard plate 134 does not protrude from the side surface of the circular saw blade, thereby preventing interference during the stone cutting process.

Referring to fig. 2 and 3, an auxiliary hole 1343 is formed in the protection plate 134, and an auxiliary bolt connected to the eccentric disc 131 is disposed in the auxiliary hole 1343 to fix the lower end of the protection plate 134.

In a preferred embodiment of the present invention, a plurality of second oil holes 1344 are spaced apart from each other on the protection plate 134, the positions of the second oil holes 1344 correspond to the positions of the circular ring-shaped teeth 1331, and lubricating oil is injected through the second oil holes 1344 to achieve a lubricating effect.

Further, the ring-shaped saw blade 133 includes a ring-shaped outer frame, and saw teeth or a mounting blade are welded to an edge of the ring-shaped outer frame. Since the ring-shaped blade 133 has an integrated structure, water cooling is possible, thereby extending the life span of the ring-shaped blade 133.

Referring to fig. 1, the handrail 20 and the auxiliary motor 21 are arranged on the bottom plate 10, two universal wheels are arranged at the front end of the bottom, two rollers 22 are arranged at the rear end of the bottom, the two rollers 22 are connected through a connecting shaft 23, a belt pulley 24 is arranged on the connecting shaft 23, the belt pulley 24 is connected with the auxiliary motor 21 through an auxiliary belt 25, and the auxiliary motor 21 drives the rollers 22 to rotate, so that the integral movement is realized.

It should be noted that, in the process of cutting the stone material, the guide rail 26 is installed, and then the eccentric ring-shaped saw runs onto the guide rail 26 to avoid deviation;

starting the dovetail lifting assembly 11 to descend until the annular saw blade 133 approaches the top of the stone to be cut;

the driving motor 171 is started to drive the ring-shaped saw blade 133 to rotate so as to cut the stone, and in the cutting process, the dovetail lifting assembly 11 is gradually lowered, and the whole eccentric ring-shaped saw gradually moves forwards or backwards so as to complete the cutting of the whole stone.

In summary, in the eccentric circular saw of the present invention, the fixed shaft 12 is installed to deviate from the center of the eccentric disc 131, so that the cutting depth can reach more than the radius of the circular saw blade 133, and the eccentric disc 131, the bearing roller assembly 132 and the circular saw blade 133 form a bearing type structure, that is, the inner ring is fixed and the outer ring rotates, so that the required driving force can be reduced, and in addition, the circular saw blade 133 is an integrated structure, so that water cooling can be performed, thereby prolonging the service life of the circular saw blade 133.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The above embodiments only express several embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides an eccentric ring type saw, includes the bottom plate, and locates forked tail lifting unit on the bottom plate, its characterized in that: the bottom of a dovetail sliding block of the dovetail lifting assembly is connected with a fixed shaft, an eccentric ring-shaped saw blade assembly and a mounting frame are arranged on the fixed shaft, and the mounting frame stretches across the top of the eccentric ring-shaped saw blade assembly and is respectively connected with two ends of the fixed shaft;

the eccentric annular saw blade assembly comprises an eccentric disc fixed on the fixed shaft, and an annular saw blade connected with the outer ring of the eccentric disc through a bearing roller assembly, wherein annular surface teeth are arranged on the side wall, close to the dovetail lifting assembly, of the annular saw blade, and the fixed shaft is located on the upper center of the eccentric disc;

2. The eccentric ring type saw according to claim 1, wherein the side of the bottom plate adjacent to the ring type saw blade is provided with an avoiding notch, which is located right below the fixed shaft and can accommodate the fixed shaft to pass through.

3. The eccentric ring type saw according to claim 1, wherein an auxiliary shaft is fixedly installed between the mounting frame and the fixed shaft, and an auxiliary wheel is provided on the auxiliary shaft;

4. The eccentric ring saw of claim 1, wherein an edge of the eccentric disc is provided with an outer step, an inner edge of the ring saw blade is provided with an inner step, the inner step and the circular ring teeth are respectively located at both sides of the ring saw blade, and the bearing roller assembly is located between the outer step and the inner step.

5. The eccentric ring type saw of claim 4, wherein said outer step is provided at its bottom portion with a plurality of first oil holes spaced at positions corresponding to positions of said bearing roller assemblies.

6. The eccentric ring type saw of claim 4, wherein the eccentric disc is provided with an eccentric mounting hole, the eccentric mounting hole being coupled with the fixed shaft.

7. The eccentric ring type saw according to claim 6, wherein a protection plate is provided at a side of the ring type saw blade facing the base plate, the protection plate is provided with an eccentric fixing hole corresponding to the eccentric mounting hole, and the eccentric fixing hole is coupled to the fixing shaft;

8. The eccentric ring type saw of claim 7, wherein the guard plate is provided with auxiliary holes in which auxiliary bolts connected to the eccentric disc are provided.

9. The eccentric ring type saw of claim 7 wherein said guard plate has a plurality of second oil holes spaced apart therefrom, said second oil holes being positioned to correspond to said circular ring teeth.

10. The eccentric ring saw of any one of claims 1 to 9, wherein said ring saw blade includes a ring shaped outer frame with welded serrations or mounting blades at its edge.