CN221135422U

CN221135422U - Grinding wheel cutting device

Info

Publication number: CN221135422U
Application number: CN202322852649.3U
Authority: CN
Inventors: 徐中庆; 方启航
Original assignee: Jiangsu Hongchengfa Construction Engineering Co ltd
Current assignee: Jiangsu Hongchengfa Construction Engineering Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-06-14
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to a grinding wheel cutting device, comprising: the base is provided with a fastening assembly for fastening steel; the turntable rotates on the base and the axis of the rotation shaft extends along the vertical direction; the locking component is arranged between the base and the turntable and used for locking the turntable on the base; the cutting assembly comprises a cutting frame, a driving unit and a grinding wheel, wherein the cutting frame rotates on the turntable, the axis of rotation of the cutting frame extends along the horizontal direction, the grinding wheel rotates on the cutting frame, the axis of the grinding wheel is parallel to the axis of rotation of the cutting frame, and the driving unit drives the grinding wheel to rotate so as to cut steel. This abrasive wheel cutting device passes through the carousel and rotates on the base, and the direction position of convenient adjustment emery wheel cooperates locking subassembly locking carousel's turned angle for the emery wheel can be to placing and locking the tubular product cutting on the base from different directions, with ensure that tubular product by self terminal surface and length direction form different angles after cutting, and then satisfies multiple building demand.

Description

Grinding wheel cutting device

Technical Field

The utility model relates to the technical field of building tools, in particular to a grinding wheel cutting device.

Background

The abrasive wheel cutting machine, also called abrasive wheel saw, is mainly used for cutting and processing straight bar steel such as metal square flat tube, square flat steel, I-steel, groove steel and the like, and is widely used in the fields of construction, hardware, petrochemical industry, mechanical metallurgy and the like.

Most of the abrasive wheel cutting machines in the prior art are like the abrasive wheel cutting device disclosed by the publication No. CN219005631U, CN219444666U, CN219293610U, CN219189765U, and mainly comprise a cutting table, a clamping device, a driving unit and an abrasive wheel, wherein before cutting, steel is clamped and fixed on the cutting table by the clamping device, then the abrasive wheel is controlled to rotate at a high speed by the driving unit, and the steel is cut by the abrasive wheel which is driven to rotate by a handle.

When the device is used for cutting, the clamping direction of the clamping device and the cutting direction of the grinding wheel relative to the cutting table are always fixed, specifically, after the steel is clamped, the length direction of the steel is always perpendicular to the plane where the circumferential outer edge of the grinding wheel is located, so that after the steel is cut, the end face formed by cutting is always perpendicular to the length direction of the steel. However, in some special cases, as shown in fig. 8, for example, two adjacent steel products are required to be bonded and connected, and the end faces of the two steel products are required to be bonded in a sealing manner, when the length directions of the two steel products are perpendicular, for the bonding position, the angle between one end face of the steel product and the length direction of the steel product is a, the other end face of the steel product is clamped to be b, the sum of a and b is required to be 90 ° (usually, a and b are both 45 °), and when the conventional abrasive wheel cutting device is used, steel products with an angle between one end face of the steel product and the length direction of the steel product being 90 ° or more cannot be cut and formed.

Therefore, there is a need for an improvement in the prior art abrasive cutting devices.

Disclosure of utility model

Therefore, the utility model aims to solve the technical problems that in the prior art, the cutting direction is fixed singly, so that the included angle between the end face and the length of the steel formed by cutting is fixed singly, and various use requirements are difficult to meet.

In order to solve the technical problems, the present utility model provides a grinding wheel cutting device, which is characterized by comprising:

The base is provided with a fastening component which is used for fastening steel horizontally placed on the base;

The turntable is arranged on one side of the fastening component, rotates on the base and extends along the vertical direction along the axis of the rotation;

The locking component is arranged between the base and the turntable and is used for locking the turntable on the base;

The cutting assembly comprises a cutting frame, a driving unit and a grinding wheel, wherein the cutting frame rotates on the rotary table, the axis of rotation of the cutting frame extends along the horizontal direction, the grinding wheel rotates on the cutting frame around the axis of the grinding wheel, the axis of the grinding wheel is parallel to the axis of rotation of the cutting frame, and the driving unit drives the grinding wheel to rotate so as to cut steel.

In order to realize locking and fixing of the rotating angle of the turntable, the locking assembly comprises a locking pipe fixedly connected with the base and a locking bolt in threaded connection with the locking pipe, and in a locking state, the turntable is clamped between the locking bolt and the base.

As a further development of the utility model, the top surface of the base and the top surface of the turntable are located in the same plane in order to achieve a good support for the steel.

As a further improvement of the utility model, in order to strengthen the locking effect on the turntable, the turntable is prevented from loosening in the cutting process due to too small locking force, and the cutting precision is influenced, and at least two locking assemblies are arranged.

As a further improvement of the utility model, in order to conveniently indicate the cutting direction of the grinding wheel, one of the base and the rotary table is provided with an indication line, the other is provided with scales, the scales comprise scale lines which are distributed in an annular array at equal intervals by taking the rotary axis of the rotary table as a central line, and the indication line and the scale lines are matched to indicate the rotary angle of the rotary table relative to the base.

As a further improvement of the utility model, in order to improve the indication accuracy, the cutting error is reduced, and the indication line and the graduation are closely distributed.

As a further improvement of the utility model, the graduation marks are closely arranged for further improving the cutting precision.

As a further improvement of the utility model, in order to facilitate the cutting of the grinding wheel on the pipe, the turntable is provided with a strip-shaped opening, the base is provided with a fan-shaped opening, the projection of the strip-shaped opening on the horizontal plane is positioned in the projection of the fan-shaped opening on the horizontal plane, and the strip-shaped opening and the fan-shaped opening are used for the bottom of the grinding wheel to pass through.

As a further improvement of the present utility model, in order to achieve fastening of the pipe, the fastening assembly includes a fixing member provided on the base, a moving member provided opposite to the fixing member, and a moving unit adjusting a distance between the moving member and the fixing member to clamp the steel.

As a further improvement of the utility model, in order to facilitate cutting operation and improve cutting efficiency, the fixing piece is fixedly connected with a locking plate which is in plug-in fit with the base along the vertical direction, and the locking plate is positioned between the locking bolt and the turntable.

Compared with the prior art, the grinding wheel cutting device provided by the utility model has the advantages that the direction position of the grinding wheel is conveniently adjusted by rotating the rotary table on the base, and the rotary angle of the rotary table is locked by the locking component, so that the grinding wheel can cut the pipe placed and locked on the base from different directions, the end face and the length direction of the cut pipe form different angles, and the requirements of various buildings are further met.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1;

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is an exploded view of the other view of FIG. 3;

FIG. 6 is a schematic view of the structure of the cutting assembly of the present utility model;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of the structure of a bonded joint of two steels after processing using the cutting apparatus of the present utility model;

Description of the specification reference numerals: 1. a base; 11. an indication line; 12. a fan-shaped opening; 13. a notch; 14. a positioning block; 15. guide sleeve; 16. a bearing; 2. a steel material; 3. a turntable; 31. scale marks; 32. a strip-shaped opening; 33. a ring groove; 34. a rotating seat; 4. a locking assembly; 41. locking the tube; 42. a locking bolt; 43. a limiting plate; 44. a fixing bolt; 45. an arc-shaped groove; 46. guiding an arc strip; 5. a cutting frame; 51. a rotating shaft; 52. a housing; 53. a cover; 54. a connecting pipe; 55. a handle; 6. a driving unit; 61. a motor; 62. a sprocket; 63. a chain; 7. grinding wheel; 71. a protective cover; 8. a fastening assembly; 81. a fixing member; 82. a moving member; 83. a screw sleeve; 84. a screw; 9. a locking plate; 91. and (5) observing the frame.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

It will be understood that when an element is referred to as being "disposed" or "fixed" on 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 "fixedly disposed" on or "fixedly connected" to another element, it can be detachably or non-detachably fixed therebetween. When an element is referred to as being "connected," "rotatably connected," or "rotatably 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," "up," "down," and the like are used for illustration purposes only and are not meant to be the only embodiment.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes and not for describing particular amounts or sequences, but for distinguishing between similar names.

As shown in fig. 1 to 7, the abrasive wheel cutting device of the present utility model includes:

The steel material clamp comprises a base 1, wherein a fastening assembly 8 is arranged on the base 1, and the fastening assembly 8 is used for fastening steel materials 2 horizontally arranged on the base 1;

The turntable 3 is arranged on one side of the fastening assembly 8, the turntable 3 rotates on the base 1, and the axis of the rotation shaft extends along the vertical direction;

The locking component 4 is arranged between the base 1 and the turntable 3, and the locking component 4 is used for locking the turntable 3 on the base 1;

The cutting assembly comprises a cutting frame 5, a driving unit 6 and a grinding wheel 7, wherein the cutting frame 5 rotates on the turntable 3, the rotation axis line of the grinding wheel 7 extends along the horizontal direction, the grinding wheel 7 rotates on the cutting frame 5 around the self axis line, the axis line of the grinding wheel 7 is parallel to the rotation axis line of the cutting frame 5, and the driving unit 6 drives the grinding wheel 7 to rotate so as to cut the steel 2.

When the abrasive wheel cutting device is used, firstly, the rotary table 3 is rotated on the base 1, the orientation of the cutting assembly on the rotary table 3 is adjusted, the cutting direction of the abrasive wheel 7 is adjusted, then, the rotary table 3 is locked through the locking assembly 4 to prevent loosening of the rotary table 3, steel 2 to be cut is placed on the base 1, the steel 2 is fastened on the base 1 through the fastening assembly 8, then, the cutting assembly is operated, the abrasive wheel 7 is driven by the driving unit 6 to keep a rotating state, the cutting frame 5 is rotated downwards, the abrasive wheel 7 is in contact with the steel 2, and the steel 2 is cut.

Compared with the prior art, in the utility model, the rotating angle of the rotary table 3 is adjustable, so that the cutting direction of the grinding wheel 7 in the cutting assembly on the rotary table 3 is adjustable, the rotating angle of the rotary table 3 is fastened through the locking assembly 4, and the cutting direction of the grinding wheel 7 is further fixed, therefore, by the grinding wheel cutting device, the steel 2 can be cut from different directions according to different building requirements, and the end face of the cut steel 2 forms different angles with the length direction of the steel 2, so as to further meet different use requirements.

It should be noted that, the steel 2 used for cutting treatment in the utility model includes but is not limited to section bar, pipe, section steel, etc., the steel 2 is mainly used for building use, according to different conditions, the angle orientation of the turntable 3 can be flexibly adjusted and locked, and then the direction of the grinding wheel 7 is locked, so as to cut building products with different end face angles, thereby meeting the use requirement.

In order to meet the requirement that the turntable 3 rotates around the axis of the turntable 3, the top surface of the base 1 is provided with the notch 13, and as shown in fig. 4, the notch 13 is matched with the turntable 3, so that the top surface of the turntable 3 and the top surface of the base 1 are positioned on the same plane, and steel 2 placed on the base 1 is conveniently and stably supported, so that the cutting effect of the steel 2 is ensured.

The further improvement is that the locking component 4 comprises a locking pipe 41 fixedly connected with the base 1 and a locking bolt 42 in threaded connection with the locking pipe 41, and in a locking state, the turntable 3 is clamped between the locking bolt 42 and the base 1; there are at least two locking assemblies 4.

Specifically, in the utility model, the number of the locking assemblies 4 is two, and the locking assemblies 4 are respectively positioned at two sides of the cutting assembly, so that the locking effect on the turntable 3 is enhanced by increasing the number of the locking assemblies 4. Further specifically, the locking assembly 4 includes a limiting plate 43, one side of the limiting plate 43 is fixedly connected with the base 1 through a fixing bolt 44, the bottom surface of the other side is located above the turntable 3 to prevent the turntable 3 from being separated from the base 1, an upwardly extending locking tube 41 is further arranged above the side, the locking tube 41 is provided with two locking tubes, the two locking tubes are respectively located at two ends of the side of the limiting plate 43, the locking tubes 41 are in threaded connection with locking bolts 42, and the rod portions of the locking bolts 42 penetrate through the locking tubes 41.

The part of the limiting plate 43 above the turntable 3 is provided with an arc groove 45, the arc groove 45 is a through groove, the axial lead of the arc groove is consistent with that of the turntable 3, the side wall, which is close to the axial lead of the turntable 3, of the two side walls of the arc groove 45 is a guide arc strip 46, the top surface of the turntable 3 is provided with a ring groove 33 which is coaxial with the top surface, and the inner wall of the ring groove 33 is in sealing fit with the guide arc strip 46.

The inner sides of the two arc-shaped grooves 45 are penetrated with locking plates 9 in a sealing way, the locking plates 9 are arc-shaped plates, and the locking plates 9 are attached between the turntable 3 and the limiting plates 43.

After the structure is adopted, the locking bolt 42 is screwed downwards, so that the locking bolt 42 presses the locking plate 9 and the turntable 3, and the turntable 3 is fastened on the base 1, and the effects of fixing the rotation angle of the turntable 3 and the cutting direction of the grinding wheel 7 are achieved.

The further improvement is that one of the base 1 and the rotary table 3 is provided with an indication line 11, the other is provided with scales, the scales comprise scale lines 31 which are distributed in an annular array at equal intervals by taking the rotation axis of the rotary table 3 as a central line, and the indication line 11 and the scale lines 31 are matched to indicate the rotation angle of the rotary table 3 relative to the base 1; the indication line 11 and the graduation are distributed in close proximity; the graduation marks 31 are closely arranged.

Specifically, as shown in fig. 1-4, the indication line 11 is disposed on the base 1, extends to the inner side wall of the notch 13 along the axis line perpendicular to the turntable 3, is disposed in close proximity to the top surface of the turntable 3, and the graduation line 31 extends to the circumferential outer edge of the turntable 3 along the axis line perpendicular to the rotation of the turntable 3, so that the graduation line 31 is in close proximity to the end of the indication line 11, and the indication line 11 is convenient to correctly indicate the graduation line 31, so as to determine the rotation angle of the turntable 3 at present.

The further improvement is that a strip-shaped opening 32 is arranged on the turntable 3, a fan-shaped opening 12 is arranged on the base 1, the projection of the strip-shaped opening 32 on the horizontal plane is positioned in the projection of the fan-shaped opening 12 on the horizontal plane, and the strip-shaped opening 32 and the fan-shaped opening 12 are used for the bottom of the grinding wheel 7 to pass through.

As shown in fig. 4, the width of the strip-shaped opening 32 is larger than the width of the grinding wheel 7, the length of the strip-shaped opening 32 is larger than the length of the grinding wheel 7, when the steel 2 is cut, the cutting frame 5 is rotated downwards, the grinding wheel 7 is convenient to penetrate through the strip-shaped opening 32 and the fan-shaped opening 12 at the bottom of the grinding wheel 7 after the steel 2 is cut, and damage to the turntable 3 and the base 1 caused by the grinding wheel 7 is avoided.

Further improved is that the fastening assembly 8 comprises a fixed part 81 arranged on the base 1, a moving part 82 arranged opposite to the fixed part 81, and a moving unit for adjusting the distance between the moving part 82 and the fixed part 81 to clamp the steel 2; the fixing piece 81 is fixedly connected with the locking plate 9, the locking plate 9 is in plug-in fit with the base 1, and the locking plate 9 is located between the locking bolt 42 and the rotary table 3.

Specifically, two fastening components 8 are arranged and are respectively positioned at two sides of the sector-shaped opening 12, each fastening component 8 comprises a fixing piece 81, the fixing pieces 81 are integrally connected to the end part of the locking plate 9, one side, far away from the locking plate 9, of each fixing piece 81 is provided with a moving piece 82, each moving piece 82 is a clamping plate which is vertically arranged, one end, far away from the fixing piece 81, of each fixing piece 81 is fixedly provided with a threaded sleeve 83, each threaded sleeve 83 is in threaded connection with a screw 84, each screw 84 is fixedly connected with a handle, the periphery of each screw 84 is provided with a bearing 16, the outer ring of each bearing 16 is fixedly arranged on the base 1, the inner ring of each bearing 16 is fixedly connected with each screw 84, the base 1 is fixedly provided with a guide sleeve 15, and the circumferential outer edges of the threaded sleeves 83 are in sealing fit with the circumferential inner walls of the guide sleeves 15 so as to realize relative sliding connection of the two; two positioning blocks 14 are fixed on the base 1, the two positioning blocks 14 are respectively arranged on two sides of the indication line 11, the locking plate 9 comprises an observation frame 91, scales are positioned in a frame opening of the observation frame 91, and the observation frame 91 is inserted between the two positioning blocks 14.

After adopting above-mentioned structure, peg graft the observation frame 91 of locking plate 9 between two locating pieces 14, can fix the position of locking plate 9 in the horizontal direction, be fixed in base 1 through fixing bolt 44 with limiting plate 43, rotate carousel 3, after adjusting carousel 3 and emery wheel 7's rotation angle, downwards screw locking bolt 42 for carousel 3's position is fixed, locking plate 9 and mounting 81's position is fixed simultaneously, place steel 2 on base 1, make steel 2 be located between mounting 81 and the moving part 82, rotate the handle, make screw 84 rotate, thereby control swivel nut 83 is close to the moving part 81 under the direction effect of guide pin bushing 15, finally moving part 82 and mounting 81 press from both sides steel 2 with steel 2 respectively, thereby reach the effect of fastening steel 2 on base 1.

In order to realize cutting steel 2, the concrete structure of cutting assembly is as shown in fig. 6 and 7, cutting frame 5 includes the pivot 51 that extends along the horizontal direction, be fixed with on the carousel 3 and rotate seat 34, pivot 51 rotates on rotating seat 34, one of them end fixedly connected with casing 52 and cap 53 of pivot 51, casing 52 and cap 53 enclose and close and form the protection cavity, the top of grinding wheel 7 is provided with protection casing 71, prevent that the piece that the cutting produced from splashing and causing the injury to the operation workman, protection casing 71 passes through connecting pipe 54 and cap 53 fixed connection, be fixed with handle 55 on the connecting pipe 54, be used for controlling grinding wheel 7 and cutting frame 5 and upwards or downwards rotate.

The driving unit 6 comprises a motor 61, a chain wheel 62 and two chains 63, wherein the motor 61 is fixed on the shell cover 53, the chain wheel 62 and the two chains 63 are arranged in a protection cavity, the two chains 63 are connected through the chain wheel 62 in a transmission way, an output shaft of the motor 61 stretches into the protection cavity to be fixedly connected with one of the chains 63, and the other chain 63 is fixedly connected with the coaxial line of the grinding wheel 7 through a coaxial line penetrating through the connecting pipe 54.

After the motor 61 is started, one of the chain wheels 62 is driven to rotate, the other chain wheel 62 is driven to rotate through the chain 63, further rotation of the grinding wheel 7 is achieved, and after the handle 55 is matched with the rotation of the grinding wheel, the grinding wheel 7 cuts the steel 2. According to different use needs, the angle of the turntable 3 is adjusted and locked, so that different included angles are formed between the end face and the length direction of the cut steel 2, and different use needs are met.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A grinding wheel cutting apparatus, characterized by comprising:

The base (1), the base (1) is provided with a fastening component (8), and the fastening component (8) is used for fastening the steel (2) horizontally placed on the base (1);

The turntable (3) is arranged on one side of the fastening assembly (8), the turntable (3) rotates on the base (1) and the axis of rotation extends along the vertical direction;

The locking component (4) is arranged between the base (1) and the rotary table (3), and the locking component (4) is used for locking the rotary table (3) on the base (1);

the cutting assembly comprises a cutting frame (5), a driving unit (6) and a grinding wheel (7), wherein the cutting frame (5) rotates on the rotary table (3) and the rotation axis extends along the horizontal direction, the grinding wheel (7) rotates on the cutting frame (5) around the self axis line, the axis line of the grinding wheel (7) is parallel to the rotation axis line of the cutting frame (5), and the driving unit (6) drives the grinding wheel (7) to rotate so as to cut steel (2).

2. The abrasive cutoff device according to claim 1, wherein: the locking assembly (4) comprises a locking pipe (41) fixedly connected with the base (1) and a locking bolt (42) in threaded connection with the locking pipe (41), and in a locking state, the rotary disc (3) is clamped between the locking bolt (42) and the base (1).

3. The abrasive cutoff device according to claim 1, wherein: the top surface of the base (1) and the top surface of the turntable (3) are positioned on the same plane.

4. The abrasive cutoff device according to claim 1, wherein: at least two locking assemblies (4) are arranged.

5. The abrasive cutoff device according to claim 1, wherein: one of the base (1) and the rotary table (3) is provided with an indication line (11), the other is provided with a scale, the scale comprises scale lines (31) which are distributed in an annular array at equal intervals by taking the rotary axis of the rotary table (3) as a central line, and the indication line (11) and the scale lines (31) are matched to indicate the rotary angle of the rotary table (3) relative to the base (1).

6. The abrasive cutoff device according to claim 5, wherein: the indication line (11) and the scale are distributed in close proximity.

7. The abrasive cutoff device according to claim 5, wherein: the scale marks (31) are closely distributed.

8. The abrasive cutoff device according to claim 1, wherein: be provided with bar mouth (32) on carousel (3), be provided with fan-shaped mouth (12) on base (1), the projection of bar mouth (32) on the horizontal plane is located fan-shaped mouth (12) is in the projection on the horizontal plane, bar mouth (32) with fan-shaped mouth (12) supplies the bottom of emery wheel (7) passes through.

9. The abrasive cutoff device according to claim 2, wherein: the fastening assembly (8) comprises a fixing piece (81) arranged on the base (1), a moving piece (82) which is opposite to the fixing piece (81), and a moving unit which adjusts the distance between the moving piece (82) and the fixing piece (81) so as to clamp the steel (2).

10. The abrasive cutoff device according to claim 9, wherein: the fixing piece (81) is fixedly connected with a locking plate (9) which is in plug-in fit with the base (1) along the vertical direction, and the locking plate (9) is positioned between the locking bolt (42) and the rotary disc (3).