CN216706962U

CN216706962U - Grinding tool special for arc edge finishing

Info

Publication number: CN216706962U
Application number: CN202220154189.XU
Authority: CN
Inventors: 白红林
Original assignee: Shenzhen Gangfeng Abrasives Co ltd
Current assignee: Shenzhen Gangfeng Abrasives Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-06-10
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a special grinding tool for arc edge finishing, which comprises a steel frame, wherein a flat plate is fixed at the top end of the steel frame, an adjusting box is fixed at the top end of the flat plate, auxiliary bearing seats are fixed at two ends inside the adjusting box, a bidirectional threaded shaft is rotatably installed inside the auxiliary bearing seats, nut seats are installed at two end threads on the surface of the bidirectional threaded shaft, a fixed block is fixed at the top end of each nut seat, a U-shaped seat is fixed at the top end of each fixed block, a driving motor is installed on the outer wall of one side of the U-shaped seat, main bearing seats are fixed on two inner side walls of the U-shaped seat, and a driving shaft is rotatably installed inside the main bearing seats. The utility model not only reduces the polishing vibration of the workpiece, ensures the polishing stability of the workpiece, but also helps the worker to more easily control the polishing thickness of the workpiece, and can meet the finishing operation of the worker on the arc-shaped workpiece.

Description

Grinding tool special for arc edge finishing

Technical Field

The utility model relates to the technical field of grinding tools, in particular to a special grinding tool for arc edge finishing.

Background

The grinding tool is a tool for grinding, grinding and polishing, most of the grinding tools are artificial grinding tools made of grinding materials and bonding agents, and also natural grinding tools directly processed by natural ore rocks, wherein pipes and workpieces with arc edges are subjected to polishing treatment by using the grinding tool, for example, the outer peripheral surface of an arc roller is subjected to fine grinding treatment, and copper pipes, steel pipes and plastic pipes are required to be polished by a fine grinding wheel.

This type of grinding apparatus on the market is various today, can satisfy people's user demand basically, but still have certain weak point, current this type of grinding apparatus is in the course of working, the emery disc of polishing is polished at the surface or the inner wall of work piece by the drive of rotary driving piece mostly, when the operation has the work piece on arc limit, it is comparatively troublesome, the phenomenon that the thickness of polishing differs often appears, the point of polishing probably is too thick or too thin, be difficult to carry out the finishing to the arc limit of work piece, be difficult to satisfy staff's user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding tool special for arc edge finishing processing, which solves the problem that the grinding tool is difficult to finish the arc edge of a workpiece in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a special grinding tool for arc edge finishing comprises a steel frame, a flat plate is fixed at the top end of the steel frame, and the top end of the flat plate is fixed with an adjusting box, two ends inside the adjusting box are both fixed with auxiliary bearing seats, and the inside of the auxiliary bearing seat is rotatably provided with a bidirectional threaded shaft, the screw thread parts at the two ends of the surface of the bidirectional threaded shaft are provided with nut seats, a fixed block is fixed at the top end of the nut seat, a U-shaped seat is fixed at the top end of the fixed block, a driving motor is installed on the outer wall of one side of the U-shaped seat, main bearing seats are fixed on two inner side walls of the U-shaped seat, a driving shaft is rotatably arranged in the main bearing seats, one end of the driving shaft is fixedly connected with the output end of the driving motor, the other end of the driving shaft is provided with a connecting shaft, and one end, far away from the outer wall of the U-shaped seat, of the connecting shaft is bolted with an inward-concave grinding wheel.

Preferably, the outer wall of dull and stereotyped one side is installed the layer board, just the supporting seat is installed to the bottom of layer board, the bottom central point department of putting of supporting seat installs the cylinder, the backup pad is installed on the top of cylinder, the top welding of backup pad has the right angle tray.

Preferably, the two sides of the bottom end of the supporting seat are provided with two groups of guide rods in a sliding manner, and the top ends of the guide rods penetrate through the outside of the supporting seat and are fixedly connected with the bottom end of the supporting plate.

Preferably, the right-angle support block is made of alloy steel.

Preferably, a cross post is fixed on the inner wall of one side of the adjusting box, a sliding sleeve is slidably mounted on the surface of the cross post, and the top end of the sliding sleeve is fixedly connected with the bottom end of the nut seat.

Preferably, an inner groove is formed in the inner part of the concave grinding wheel, a boss is mounted on the inner wall of the concave grinding wheel, inner hexagon bolts are mounted at the corners of the surface of the boss, and the threaded ends of the inner hexagon bolts extend into the connecting shaft.

Preferably, the nut seats and the U-shaped seats are arranged in two groups, and the two groups of nut seats and the two groups of U-shaped seats are in symmetrical structures relative to the central line of the adjusting box.

Compared with the prior art, the utility model has the beneficial effects that: the grinding tool special for arc edge finishing machining not only reduces grinding vibration of a workpiece, ensures grinding stability of the workpiece, helps workers to control the grinding thickness of the workpiece more easily, and can meet the requirement of the workers on finishing treatment of arc-shaped workpieces;

(1) the tubular workpiece to be polished is placed on the right-angle support block through a structure with a support plate, the right-angle support block and the like which are matched with each other, the support plate and the workpiece are driven to move upwards through the air cylinder until the upper cambered surface of the workpiece is contacted with the two groups of concave grinding wheels, and the workpiece is polished when the concave grinding wheels continuously rotate;

(2) the workpiece is held by hands by the aid of the mutually matched structures of the driving shaft, the connecting shaft and the like, the cambered surface of the workpiece is in contact with the concave grinding wheel, the driving shaft, the connecting shaft and the concave grinding wheel are driven to rotate by the aid of the driving motor, and compared with a plane grinding wheel, the concave grinding wheel is easier for a worker to control the grinding thickness of the workpiece, so that the requirement of the worker on fine trimming of the cambered workpiece can be met;

(3) through being provided with the structure of mutually supporting such as nut seat and fixed block, the staff can unscrew four groups of hexagon socket head cap screws for connecting axle, indent emery wheel separation, later stage use, maintenance are swift convenient, can be by two-way screw shaft drive two sets of nut seats remove in opposite directions, parts such as two sets of nut seats, fixed block and indent emery wheel are close to each other promptly, keep away from, adjust the interval of two sets of indent emery wheels promptly, satisfy the tubulose work piece of different pipe diameters and process.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of the concave grinding wheel of the present invention;

FIG. 3 is a side view of the supporting base of the present invention;

FIG. 4 is a schematic side sectional view of the adjusting box of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

in the figure: 1. a steel frame; 2. a flat plate; 3. a support plate; 4. a supporting seat; 5. a cylinder; 6. a guide bar; 7. a support plate; 701. a right-angle support block; 8. an adjusting box; 9. a U-shaped seat; 10. a drive motor; 11. a drive shaft; 12. a main bearing housing; 13. a connecting shaft; 14. an inward concave grinding wheel; 1401. an inner groove; 1402. a boss; 1403. a hexagon socket head cap screw; 15. a sub-bearing seat; 16. a bidirectional threaded shaft; 17. a cross post; 18. a nut seat; 19. and (5) fixing blocks.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the 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.

Referring to fig. 1-5, an embodiment of the present invention is shown: a special grinding tool for finishing arc edges comprises a steel frame 1, wherein a flat plate 2 is fixed at the top end of the steel frame 1, an adjusting box 8 is fixed at the top end of the flat plate 2, a supporting plate 3 is installed on the outer wall of one side of the flat plate 2, a supporting seat 4 is installed at the bottom end of the supporting plate 3, an air cylinder 5 is installed at the center position of the bottom end of the supporting seat 4, a supporting plate 7 is installed at the top end of the air cylinder 5, a right-angle supporting block 701 is welded at the top end of the supporting plate 7, the right-angle supporting block 701 is made of alloy steel materials, a tubular workpiece to be ground can be placed on the right-angle supporting block 701, and the workpiece is held at one end of the workpiece to ensure that the workpiece does not rotate;

the two ends inside the adjusting box 8 are both fixed with auxiliary bearing seats 15, the inside of each auxiliary bearing seat 15 is rotatably provided with a bidirectional threaded shaft 16, the two ends of the surface of each bidirectional threaded shaft 16 are provided with nut seats 18, the inner wall of one side of the adjusting box 8 is fixed with a cross column 17, the surface of each cross column 17 is provided with a sliding sleeve in a sliding manner, the top end of each sliding sleeve is fixedly connected with the bottom end of each nut seat 18, and the cross columns 17 and the sliding sleeves improve the motion stability of the nut seats 18;

a driving motor 10 is installed on the outer wall of one side of the U-shaped seat 9, main bearing seats 12 are fixed on two inner side walls of the U-shaped seat 9, a driving shaft 11 is installed inside the main bearing seats 12 in a rotating mode, one end of the driving shaft 11 is fixedly connected with the output end of the driving motor 10, a connecting shaft 13 is installed at the other end of the driving shaft 11, an inner concave grinding wheel 14 is bolted to one end, away from the outer wall of the U-shaped seat 9, of the connecting shaft 13, when small cambered-surface workpieces such as cambered plates are machined, the workpieces are held by hands, the cambered surfaces of the workpieces are in contact with the inner concave grinding wheel 14, and the driving shaft 11, the connecting shaft 13 and the inner concave grinding wheel 14 are driven to rotate through the driving motor 10;

compared with a plane grinding wheel, the concave grinding wheel 14 is easier for a worker to control the grinding thickness of the workpiece, and can meet the requirement of the worker on the fine trimming operation of the arc-shaped workpiece;

the top end of the nut seat 18 is fixed with a fixed block 19, the top end of the fixed block 19 is fixed with a U-shaped seat 9, the nut seat 18 and the U-shaped seat 9 are provided with two groups, the two groups of nut seats 18 and the U-shaped seat 9 are in a symmetrical structure about the central line of the adjusting box 8, a bidirectional threaded shaft 16 can be rotated, and the two groups of nut seats 18 are driven to move oppositely through the bidirectional threaded shaft 16, namely the two groups of nut seats 18, the fixed block 19, the concave grinding wheel 14 and other parts are close to and far away from each other;

the distance between the two groups of concave grinding wheels 14 is adjusted, so that the requirement for processing tubular workpieces with different pipe diameters is met, and the working application range of the device is effectively widened;

an inner groove 1401 is formed in the inner part of the inner concave grinding wheel 14, a boss 1402 is installed on the inner wall of the inner concave grinding wheel 14, inner hexagon bolts 1403 are installed at the corners of the surface of the boss 1402, the threaded ends of the inner hexagon bolts 1403 extend into the connecting shaft 13, when the inner concave grinding wheel 14 is replaced, the inner hexagon bolts 1403 are screwed out from the boss 1402 and the connecting shaft 13, and then the inner concave grinding wheel 14 can be detached;

two sides of the bottom end of the supporting seat 4 are provided with two groups of guide rods 6 in a sliding manner, the top ends of the guide rods 6 penetrate through the outside of the supporting seat 4 and are fixedly connected with the bottom end of the supporting plate 7, and the guide rods 6 are used as motion guide of the supporting plate 7;

open cylinder 5, go upward through cylinder 5 drive backup pad 7 and work piece, go up the cambered surface and two sets of indent emery wheels 14 contacts up to the work piece, when interior indent emery wheel 14 continuously rotates, accomplish the work of polishing to the work piece, this in-process through backup pad 7, right angle tray 701's setting, reduces the vibrations of polishing of work piece, promotes the mould to the quality of polishing of work piece.

When the grinding tool is used, firstly, a worker places a tubular workpiece to be ground on the right-angle support block 701 and holds one end of the workpiece to ensure that the workpiece does not rotate, then the air cylinder 5 is opened, the support plate 7 and the workpiece are driven to move upwards through the air cylinder 5 until the upper arc surface of the workpiece is contacted with the two groups of concave grinding wheels 14, when the concave grinding wheels 14 continuously rotate, the grinding work on the workpiece is completed, in the process, the grinding vibration of the workpiece is reduced through the arrangement of the support plate 7 and the right-angle support block 701, the grinding quality of the workpiece by a mould is improved, when small-arc-surface workpieces such as arc-shaped plates are machined, the workpiece is held by the hand, the arc surface of the workpiece is contacted with the concave grinding wheels 14, at the moment, the drive shaft 11, the connecting shaft 13 and the concave grinding wheels 14 are driven to rotate through the drive motor 10, and compared with plane grinding wheels, the concave grinding wheels 14 in the process, the grinding thickness of the workpiece is easier to be controlled by the worker, the arc-shaped workpiece can be finished by workers;

the staff can rotate two-way threaded shaft 16, through two-way threaded shaft 16 drive two sets of nut seats 18 move in opposite directions, parts such as two sets of nut seats 18, fixed block 19 and indent emery wheel 14 are close to each other, keep away from promptly, adjust the interval of two sets of indent emery wheels 14 promptly, satisfy the tubulose work piece of different pipe diameters and process, effectively promote device's work application scope.

Claims

1. The utility model provides a be exclusively used in grinding apparatus for arc limit finishing processing, its characterized in that, includes steelframe (1), the top of steelframe (1) is fixed with flat board (2), just the top of flat board (2) is fixed with regulating box (8), the inside both ends of regulating box (8) all are fixed with subshaft seat (15), just the inside rotation of subshaft seat (15) installs two-way screw shaft (16), nut seat (18) are installed to the both ends screw thread department on two-way screw shaft (16) surface, the top of nut seat (18) is fixed with fixed block (19), the top of fixed block (19) is fixed with U type seat (9), install driving motor (10) on the outer wall of U type seat (9) one side, all be fixed with main bearing seat (12) on the two inside walls of U type seat (9), the inside rotation of main bearing seat (12) installs drive shaft (11), one end of the driving shaft (11) is fixedly connected with the output end of the driving motor (10), the other end of the driving shaft (11) is provided with a connecting shaft (13), and one end, far away from the outer wall of the U-shaped seat (9), of the connecting shaft (13) is bolted with an inwards concave grinding wheel (14).

2. The grinding tool special for the arc edge finishing processing according to claim 1, wherein: install layer board (3) on the outer wall of dull and stereotyped (2) one side, just supporting seat (4) are installed to the bottom of layer board (3), cylinder (5) are installed to the bottom central point department of putting of supporting seat (4), backup pad (7) are installed on the top of cylinder (5), the top welding of backup pad (7) has right angle tray (701).

3. The grinding tool special for the arc edge finishing processing according to claim 2, wherein: the supporting seat is characterized in that guide rods (6) are arranged on two sides of the bottom end of the supporting seat (4) in a sliding mode, the two groups of guide rods (6) are arranged, and the top ends of the guide rods (6) penetrate through the outer portion of the supporting seat (4) and are fixedly connected with the bottom end of the supporting plate (7).

4. The grinding tool special for the arc edge finishing processing according to claim 2, wherein: the right-angle supporting block (701) is made of alloy steel.

5. The grinding tool special for the arc edge finishing processing according to claim 1, wherein: a cross column (17) is fixed on the inner wall of one side of the adjusting box (8), a sliding sleeve is slidably mounted on the surface of the cross column (17), and the top end of the sliding sleeve is fixedly connected with the bottom end of the nut seat (18).

6. The grinding tool special for the arc edge finishing processing according to claim 1, wherein: an inner groove (1401) is formed in the inner portion of the concave grinding wheel (14), a boss (1402) is installed on the inner wall of the concave grinding wheel (14), inner hexagon bolts (1403) are installed at the corner positions of the surface of the boss (1402), and the threaded ends of the inner hexagon bolts (1403) extend to the inner portion of the connecting shaft (13).

7. The grinding tool special for the arc edge finishing processing according to claim 1, wherein: the nut seats (18) and the U-shaped seats (9) are arranged in two groups, and the two groups of nut seats (18) and the U-shaped seats (9) are in symmetrical structures around the central line of the adjusting box (8).