CN219170465U

CN219170465U - Pipe fitting polishing machine

Info

Publication number: CN219170465U
Application number: CN202320081385.3U
Authority: CN
Inventors: 王成杰; 陈法钊; 王琪琪; 赵春平; 曾观明
Original assignee: Hangzhou Tongyue Automation Equipment Co ltd
Current assignee: Hangzhou Tongyue Automation Equipment Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-13
Anticipated expiration: 2033-01-12

Abstract

The utility model relates to the technical field of polishing equipment, in particular to a pipe fitting polishing machine which can automatically finish rough polishing of pipe fittings and reduce labor intensity and production cost of workers, and comprises a frame, a positioning mechanism, a cross sliding table, an electric rotary table, a stand, a movement and a main motor, wherein the top of the frame is provided with a workbench, the positioning mechanism is arranged at the rear side of the workbench, the cross sliding table is arranged at the front side of the workbench, the electric rotary table is arranged on the cross sliding table, and the stand, the movement and the main motor are fixed on the electric rotary table; the machine core comprises a fixed ring fixed on the stand, a large disc rotatably mounted on the fixed ring and driven by a main motor, two abrasive belt assemblies mounted on the front surface of the large disc, a driving assembly mounted on the back surface of the large disc and used for driving the two abrasive belt assemblies to travel, a polishing area on the outer wall of the pipe fitting is formed by keeping a distance and an included angle between the two abrasive belt assemblies, a through hole corresponding to the inner hole of the fixed ring is formed on the stand, and the rear end of the pipe fitting is positioned on the positioning mechanism after the pipe fitting passes through the polishing area, the inner hole of the fixed ring and the through hole on the stand.

Description

Pipe fitting polishing machine

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a pipe fitting polishing machine.

Background

The middle-high end products in the fields of kitchen and bath and the like have strict requirements on the finish degree of the outer wall of the metal pipe fitting, and generally a mirror surface effect is required, so that the aesthetic degree and corrosion resistance of the product can be improved, the added value of the product can be improved, and the economic benefit of enterprises can be improved. In order to meet the requirements of the smoothness, the outer wall of the pipe fitting needs to be polished, and the first step is rough polishing treatment and then finish polishing. The traditional rough polishing mode is finished on a polishing belt by manually holding the pipe fitting, the labor intensity is relatively high, the product is easily scrapped due to excessive polishing, the method is difficult to adapt to mass production, the outer wall of the pipe fitting is treated by adopting an electrochemical polishing mode in the industry at present, the surface is smooth by selectively dissolving tiny convex parts on the surface of a material, and the method has the defects of relatively high pollution and relatively high energy consumption. How to realize the surface automatic rough polishing treatment of the pipe fitting becomes a problem which needs to be solved in the industry.

Disclosure of Invention

The utility model aims to overcome the defects in the background art and provide a pipe fitting polishing machine, which can automatically finish rough polishing of pipe fittings and reduce labor intensity and production cost of workers.

The technical scheme adopted by the utility model is as follows: the pipe fitting polishing machine comprises a frame, a positioning mechanism, a cross sliding table, an electric rotary table, a stand, a movement and a main motor, wherein the top of the frame is provided with a workbench; the machine core comprises a fixed ring fixed on the stand, a large disc rotatably mounted on the fixed ring and driven by a main motor, two abrasive belt assemblies mounted on the front surface of the large disc, a driving assembly mounted on the back surface of the large disc and used for driving the two abrasive belt assemblies to travel, a polishing area on the outer wall of the pipe fitting is formed by keeping a distance and an included angle between the two abrasive belt assemblies, a through hole corresponding to the inner hole of the fixed ring is formed on the stand, and the rear end of the pipe fitting is positioned on the positioning mechanism after the pipe fitting passes through the polishing area, the inner hole of the fixed ring and the through hole on the stand.

Preferably, the abrasive belt assembly comprises a driving wheel, a tensioning wheel, an adjusting wheel and an abrasive belt wound on the driving wheel, a rotating shaft of the driving wheel is rotatably arranged on the big disc, the rear end of the rotating shaft penetrates through the back surface of the big disc, and the rotating shaft of the tensioning wheel and the rotating shaft of the adjusting wheel are arranged in an adjusting groove formed in the big disc and are locked by a locking piece.

Preferably, in the abrasive belt assembly, the abrasive belt between the driving wheel and the adjusting wheel forms a polishing section for polishing the outer wall of the pipe fitting, and the polishing sections of the two abrasive belt assemblies keep a space and an included angle to form a V-shaped polishing area.

Preferably, the driving assembly comprises a fixed ring, a driven belt, two positioning wheels and two friction wheels, wherein the two positioning wheels are arranged on the back surface of the large disc, the two positioning wheels are symmetrically arranged on two sides of the fixed ring, the driven belt winds out from the first positioning wheel, after passing through the outer wall on one side of the fixed ring and the second positioning wheel, winds back from the outer wall on the other side of the fixed ring to the first positioning wheel, and the two friction wheels are respectively fixed at the rear ends of rotating shafts of the two driving wheels and compress the driven belt inwards from the outer side.

Preferably, the stand is connected with a dust cover of the cover movement through a hinge, and the dust cover is provided with an avoidance opening for avoiding the pipe fitting.

Preferably, the positioning mechanism comprises a rear positioning seat, a hollow seat, an inflatable chuck and a thimble, wherein the rear positioning seat is vertically arranged, the hollow seat is fixed on the upper side of the rear positioning seat and extends forwards, the inflatable chuck is arranged at the front end of the hollow seat, the thimble is arranged in the hollow seat and driven by an air cylinder, the front end of the thimble extends into the inflatable chuck, and the inflatable chuck expands outwards when the air cylinder pushes the thimble to advance.

Preferably, the rear side of the large disc is provided with an annular cavity for accommodating the drive assembly, the annular cavity being closed by a back plate.

Preferably, the main motor is fixed on the stand, and a driving belt wheel is arranged at the front end of the main motor and is connected with the outer ring of the large disc through a driving belt.

The utility model has the beneficial effects that: according to the utility model, the movement is driven to move in the horizontal plane by the cross sliding table, and meanwhile, the movement is driven to rotate around the vertical axis by the electric rotary table, so that the axial position and angle of the movement can be changed, the straight pipe fitting can be polished, and the bent part of the pipe fitting can be polished, so that the application range is wider. The rear end of the pipe fitting is positioned by the inflatable chuck, after the machine core is driven by the motor, the polishing area formed by the abrasive belt assembly can polish the outer wall of the pipe fitting without manual holding, and the labor intensity and the labor cost can be reduced.

Drawings

Fig. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model.

Fig. 2 is a schematic top view of an embodiment of the present utility model.

Fig. 3 is a schematic view of the mounting structure of the movement, the stand, and the driving pulley according to the embodiment of the present utility model.

Fig. 4 is a schematic view of the back structure of the movement (with the back plate removed) according to an embodiment of the present utility model.

Fig. 5 is a schematic perspective view of a movement (with a back plate omitted) according to an embodiment of the present utility model.

Fig. 6 is a schematic perspective view of an assembled dust cap and a stand according to an embodiment of the present utility model.

FIG. 7 is a schematic cross-sectional view of a positioning mechanism in accordance with an embodiment of the utility model.

The drawings are as follows: frame 1, workbench 2, positioning mechanism 3, cross slipway 4, electric rotary table 5, vertical frame 6, main motor 7, driving pulley 7.1, dust cover 8, driving belt 9, big disc 10, driving wheel 11, tensioning wheel 12, adjusting wheel 13, adjusting groove 14, abrasive belt 15, polishing area 16, fixing ring 17, annular concave cavity 18, rotating shaft 19, friction wheel 20, positioning wheel 21, driven belt 22, hinge 23, rear positioning seat 2.1, hollow seat 2.2, cylinder 2.3, thimble 2.4, and inflatable chuck 2.5

Detailed Description

The objects, technical solutions and advantages of the present utility model will be further described with reference to the accompanying drawings and examples, but the present utility model is not limited to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more clearly understood by those skilled in the art.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operate in a specific orientation. Unless specifically stated or limited otherwise, the terms "mounted," "configured with," "connected," and the like, are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the present embodiment provides a pipe polishing machine, which comprises a frame 1 with a workbench 2 at the top, a positioning mechanism 3 mounted on the rear side of the workbench 2, a cross sliding table 4 mounted on the front side of the workbench 2, an electric rotary table 5 mounted on the cross sliding table 4, a stand 6 fixed on the electric rotary table 5, a movement and a main motor 7. The cross sliding table 4 is driven by two driving motors to horizontally move in the left-right direction (X axis) and the front-back direction (Y axis), and the electric rotary table 5 is driven by one driving motor through a gear box to rotate around the Z axis in the vertical direction.

As shown in fig. 3 to 5, the movement includes a stationary ring 17 fixed to a stand 6, a large disc 10 rotatably mounted on the stationary ring 17 and driven by a main motor 7, two belt modules mounted on the front surface of the large disc 10, and a driving module mounted on the rear surface of the large disc 10 for driving the two belt modules to travel. The two abrasive belt components keep a distance and an included angle to form a polishing area 16 of the outer wall of the pipe fitting, a through hole corresponding to the inner hole of the fixing ring 17 is formed in the vertical frame 6, and the rear end of the pipe fitting is positioned on the positioning mechanism 3 after passing through the polishing area 16, the inner hole of the fixing ring 17 and the through hole in the vertical frame 6. The main motor 7 is fixed on the vertical frame 6, a driving belt wheel 7.1 is arranged at the front end of the main motor 7, and the driving belt wheel 7.1 is connected with the outer ring of the large disc 10 through a driving belt 9.

As shown in fig. 3, the abrasive belt assembly comprises a driving wheel 11, a tensioning wheel 12, an adjusting wheel 13 and an abrasive belt 15 wound on the driving wheel 11, a rotating shaft 19 of the driving wheel 11 is rotatably installed on the big disc 10, the rear end of the rotating shaft 19 penetrates through the back surface of the big disc 10, the rotating shaft of the tensioning wheel 12 and the rotating shaft of the adjusting wheel 13 are installed in an adjusting groove 14 formed in the big disc 10 and are locked by locking pieces, the locking pieces can be nuts or other conventional locking structures, and the tightness degree of the abrasive belt 15 and the size of a polishing area 16 can be adjusted by adjusting the positions of the tensioning wheel 12 and the adjusting wheel 13 to adapt to pipe fittings with different outer diameters. In the abrasive belt assembly, an abrasive belt 15 between a driving wheel 11 and an adjusting wheel 13 forms a polishing section for polishing the outer wall of a pipe fitting, and a space and an included angle are kept between the polishing sections of the two abrasive belt assemblies to form a V-shaped polishing area 16. The axis of the large disc 10 is positioned in the polishing area 16, when the pipe fitting passes through the polishing area 16, the polishing sections of the two abrasive belt assemblies are locally deformed, and the deformed parts are tightly attached to the outer wall of the pipe fitting, so that the abrasive belt 15 can rub against the outer wall, and polishing is realized.

As shown in fig. 4 and 5, the driving assembly includes the fixing ring 17, a driven belt 22, two positioning wheels 21 mounted on the back of the large disc 10, and two friction wheels 20, wherein the two positioning wheels 21 are symmetrically arranged on two sides of the fixing ring 17, the driven belt 22 is wound from the first positioning wheel 21, passes through the outer wall of one side of the fixing ring 17 and the second positioning wheel 21, then is wound from the outer wall of the other side of the fixing ring 17 back to the first positioning wheel 21, and the two friction wheels 20 are respectively fixed on the rear ends of the rotating shafts 19 of the two driving wheels 11 and compress the driven belt 22 from the outside inwards. The two friction wheels 20 are driven by the same passive belt 22, and when the two friction wheels 20 are identical in size and the two driving wheels 11 are identical in size, the speeds of the abrasive belt 15 are also identical. The rear side of the large disc 10 is provided with an annular recess 18 for receiving the drive assembly, which annular recess 18 is closed by a back plate to achieve dust protection.

As shown in fig. 6, the stand 6 is connected with a dust cover 8 covering the movement through a hinge 23, and an avoidance opening for avoiding the pipe fitting is formed in the dust cover 8. As shown in fig. 7, the positioning mechanism 3 includes a vertically arranged rear positioning seat 2.1, a hollow seat 2.2 fixed on the upper side of the rear positioning seat 2.1 and overhanging forward, an inflatable chuck 2.5 installed at the front end of the hollow seat 2.2, and a thimble 2.4 installed in the hollow seat 2.2 and driven by a cylinder 2.3, the front end of the thimble 2.4 is a conical surface, an inner hole of the inflatable chuck 2.5 is also provided with a conical surface, the front end of the thimble 2.4 stretches into the inflatable chuck 2.5, and the inflatable chuck 2.5 expands outwards under the action of the conical surface when the cylinder 2.3 pushes the thimble 2.4 to advance.

The working principle of the utility model is as follows: the electric rotary table 5 is driven to move through the cross sliding table 4, the electric rotary table 5 drives the stand 6 to rotate, the movement is adjusted to the position aligned with the positioning mechanism 3, after a worker passes a pipe fitting to be processed through the avoiding opening of the dust cover 8, the polishing area 16 of the abrasive belt assembly, the inner hole of the fixing ring 17 and the through hole on the stand 6, the rear end of the pipe fitting is sleeved on the air expansion chuck 2.5, the air cylinder 2.3 is started to lock the end part of the pipe fitting, the main motor 7 is started to drive the large disc 10 to rotate, and in the rotating process, the cross sliding table 4 and the electric rotary table 5 adjust the position and the angle of the movement according to the position to be polished.

The fixed ring 17 is fixed when the large disc 10 rotates, the driven belt 22 can be driven by the large disc 10 to rotate together, friction is generated between the inner wall of the driven belt 22 and the outer wall of the fixed ring 17 in the rotation process, the driven belt 22 automatically operates, two friction wheels 20 are driven by the driven belt 22 to rotate when the driven belt 22 automatically operates, the rotation of the two friction wheels 20 drives the two driving wheels 11 to rotate together through the rotating shafts 19 where the two friction wheels 20 are positioned, and two abrasive belts 15 on the front face of the large disc 10 both operate to polish the outer wall of a pipe fitting.

The foregoing description is only of the preferred embodiments of the present utility model, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A pipe fitting burnishing machine, its characterized in that: the automatic control device comprises a frame (1) with a workbench (2) at the top, a positioning mechanism (3) arranged at the rear side of the workbench (2), a cross sliding table (4) arranged at the front side of the workbench (2), an electric rotary table (5) arranged on the cross sliding table (4), a stand (6) fixed on the electric rotary table (5), a movement and a main motor (7); the machine core comprises a fixing ring (17) fixed on a vertical frame (6), a large disc (10) rotatably installed on the fixing ring (17) and driven by a main motor (7), two abrasive belt assemblies installed on the front face of the large disc (10), and a driving assembly installed on the back face of the large disc (10) and used for driving the two abrasive belt assemblies to travel, wherein a distance and an included angle are kept between the two abrasive belt assemblies to form a polishing area (16) for polishing the outer wall of a pipe fitting, a through hole corresponding to an inner hole of the fixing ring (17) is formed in the vertical frame (6), and the rear end of the pipe fitting is positioned on the positioning mechanism (3) after the pipe fitting passes through the polishing area (16), the inner hole of the fixing ring (17) and the through hole in the vertical frame (6).

2. A pipe polishing machine as defined in claim 1, wherein: the abrasive belt assembly comprises a driving wheel (11), a tensioning wheel (12), an adjusting wheel (13) and an abrasive belt (15) wound on the driving wheel, a rotating shaft (19) of the driving wheel (11) is rotatably arranged on the large disc (10), the rear end of the rotating shaft (19) penetrates through the back surface of the large disc (10), and the rotating shaft of the tensioning wheel (12) and the rotating shaft of the adjusting wheel (13) are arranged in an adjusting groove (14) formed in the large disc (10) and locked by a locking piece.

3. A pipe polishing machine as defined in claim 2, wherein: in the abrasive belt assembly, an abrasive belt (15) between a driving wheel (11) and an adjusting wheel (13) forms a polishing section for polishing the outer wall of a pipe fitting, and a space and an included angle are kept between the polishing sections of the two abrasive belt assemblies to form a V-shaped polishing area (16).

4. A pipe polishing machine as defined in claim 3 wherein: the driving assembly comprises a fixed ring (17), a driven belt (22), two positioning wheels (21) and two friction wheels (20), wherein the two positioning wheels (21) are arranged on the back of the large disc (10), the two positioning wheels (21) are symmetrically arranged on two sides of the fixed ring (17), the driven belt (22) is wound out from the first positioning wheel (21), after passing through the outer wall on one side of the fixed ring (17) and the second positioning wheel (21), the first positioning wheel (21) is wound back from the outer wall on the other side of the fixed ring (17), and the two friction wheels (20) are respectively fixed at the rear ends of rotating shafts (19) of the two driving wheels (11) and compress the driven belt (22) inwards from the outer side.

5. A pipe fitting polishing machine as claimed in any one of claims 1 to 4 wherein: the vertical frame (6) is connected with a dust cover (8) covering the movement through a hinge (23), and an avoidance opening for avoiding the pipe fitting is formed in the dust cover (8).

6. A pipe fitting polishing machine as claimed in any one of claims 1 to 4 wherein: the positioning mechanism (3) comprises a rear positioning seat (2.1) which is vertically arranged, a hollow seat (2.2) which is fixed on the upper side of the rear positioning seat (2.1) and extends forwards, an inflatable chuck (2.5) which is arranged at the front end of the hollow seat (2.2), a thimble (2.4) which is arranged in the hollow seat (2.2) and is driven by a cylinder (2.3), the front end of the thimble (2.4) extends into the inflatable chuck (2.5), and the cylinder (2.3) pushes the thimble (2.4) to expand outwards when advancing.

7. A pipe fitting polishing machine as claimed in any one of claims 1 to 4 wherein: the rear side of the large disc (10) is provided with an annular cavity (18) for accommodating the drive assembly, and the annular cavity (18) is closed by a back plate.

8. A pipe fitting polishing machine as claimed in any one of claims 1 to 4 wherein: the main motor (7) is fixed on the vertical frame (6), a driving belt wheel (7.1) is arranged at the front end of the main motor (7), and the driving belt wheel (7.1) is connected with the outer ring of the large disc (10) through a driving belt (9).