DE212020000624U1 - A surface grinder for stainless steel pipes - Google Patents

Abstract

A surface grinder for stainless steel pipe, comprising a top plate (1) and a base plate holder (9), characterized in that:wherein the top plate (1) and the base plate holder (9) are each provided with a second support frame (12) and mounted and fixed to a first support frame (4); wherein the first support frame (4) is rotatably mounted with a grinding cylinder (8), an inner cavity (17) is opened through the inside of the grinding cylinder (8), a grinding hair (18) is mounted on the central cavity wall of the inner cavity (17). is, a number of dust suction openings (16) are opened on both cavity walls of the inner cavity (17), a number of the dust suction openings (16) are connected to an annular cavity (15) inside the grinding cylinder (8) on the outside of the inner cavity (17) is open; the first support frame (4) also being provided with a drive assembly for reciprocating the grinding cylinder (8); The first supporting frame (4) is also provided with a dust box (3) equipped with an exhaust fan (2), and the dust box (3) is provided with a dust extraction hose (10) at the bottom, the other end of the hose connected to the annular cavity (15); the exhaust fan (2) is used to extract air from the ends of the internal cavity (17) through a number of dust extraction ports (16).

Description

technical field

The present invention relates to the field of processing stainless steel tubes, and more particularly to a surface grinder for stainless steel tubes.

State of the art

Steel pipe has a hollow cross-section, with the length much larger than the diameter or circumference of the steel, the cross-sectional shape is divided into round, square, rectangular and shaped steel pipe; the material is divided into carbon steel pipe, low alloy steel pipe, alloy steel pipe and composite steel pipe; the use is divided into transportation pipelines, engineering structures, thermal plants, petrochemical industry, mechanical engineering, geological drilling, high-pressure plants using steel pipes; the manufacturing process is divided into seamless steel pipe and welded steel pipe, the seamless steel pipe is divided into hot-rolled and cold-rolled (drawn) pipe, and welded steel pipe is divided into straight welded steel pipe and spiral welded steel pipe.

In the processing of stainless steel pipe, the surface needs to be polished, the existing polishing device cannot perform the full range of grinding operations, and the grinding cannot be synchronized with reliable dust removal operations, affecting the surface polishing of stainless steel pipe and efficiency. For this reason, there is an urgent need to develop a surface grinding device for stainless steel pipes which overcomes the current shortcomings in practical use.

Technical solutions

It is an aim of embodiments of the present invention to provide a surface polishing apparatus for stainless steel pipes which solves the problems addressed in the above prior art.

In order to achieve the above objectives, embodiments of the present invention provide the following technical solutions:

A surface grinder for stainless steel pipe, comprising a top plate and a base plate holder, characterized in that: the top plate and the base plate holder are mounted and fixed with a second support frame and a first support frame, respectively; wherein the first support frame is rotatably mounted with a grinding cylinder, an inner cavity is opened through the inside of the grinding cylinder, a grinding hair is mounted on the middle cavity wall of the inner cavity, a number of dust exhaust ports are opened on both cavity walls of the inner cavity, a number of dust suction openings are connected to an annular cavity opened inside the grinding cylinder on the outside of the inner cavity; the first support frame also being provided with a drive assembly for reciprocating the grinding cylinder; The first support frame is also provided with a dust box equipped with an exhaust fan, and the dust box is provided with a dust suction hose at the bottom, the other end of the hose being connected to the annular cavity; the exhaust fan is used to extract air from the ends of the internal cavity through a number of dust extraction ports.

In another embodiment of the present invention: wherein the grinding cylinder is a cylindrical, horizontally arranged cylinder structure; wherein the second support frame is provided with a steel tube perforation coaxial with the inner cavity and a plurality of support roller balls for auxiliary support of the stainless steel tube are also mounted circumferentially on the wall of the steel tube perforation.

In a further embodiment of the present invention: wherein the drive unit comprises a servo motor, an active gear and a driven gear; wherein the driven gear is mounted on the grinding cylinder, the servo motor is mounted on the first support frame, and the output shaft of the servo motor is also mounted with an active gear meshing with the driven gear.

In another embodiment of the present invention: wherein the dust box is equipped with a dust stop cylinder on the inside; the inlet of the exhaust fan is connected to the inner cavity of the dust box on the outside of the dust stop cylinder; the inner center of the dust stopper cylinder is provided with an air duct, the upper end of the air duct being at the bottom of the inner upper part of the dust stopper cylinder and the lower end of the air duct protruding from the bottom of the dust box; the lower end of the air duct being connected to the annular cavity via a dust extraction hose.

In another embodiment of the present invention: wherein the dust stop cylinder has a conical structure with a small top and a large bottom, the top of the dust stop cylinder is curved upwards in the middle and the lower end of the dust stop cylinder is fixed to the inner lower outer ring of the dust box is.

In a further embodiment of the present invention: wherein the dust box is provided at its bottom with a dust discharge opening which communicates with the inner cavity of the dust blocking cylinder.

In a further embodiment of the present invention: wherein the air duct and the dust protection cylinder are arranged in a common axis and the air duct is fastened close to the bottom of the dust box.

Beneficial Effects

Compared with the prior art, the present invention has the following advantageous effects:

The surface grinding device for stainless steel pipe, the stainless steel pipe to be processed is passed through the inner cavity of the grinding cylinder, the grinding cylinder can be driven by the work of the drive assembly, rotating back and forth, the grinding process of the surface of the stainless steel pipe is facilitated by abrasive bristles; During grinding and machining, by controlling the work of the exhaust fan, the air at both ends of the inner cavity can be exhausted through a series of dust exhaust ports, achieving the effect of dust removal at the same time during grinding, achieving the effect and efficiency of surface grinding and the processing of stainless steel pipe is improved, the dust can be stored by the dust box, which is worthy of promotion.

character list

• 1 Fig. 12 shows a schematic representation of the structure of an embodiment of the present invention.
• 2 shows a schematic representation of the partial cross section of FIG 1 .
• 3 Fig. 12 is a schematic diagram showing the cross-sectional structure of the dust box in an embodiment of the present invention.
• 4 shows a schematic representation of the three-dimensional structure of the dust stop cylinder of FIG 3 .

1

obere Platte,

2

Absaugventilator,

3

Staubkasten,

4

erster Tragrahmen,

5

Servomotor,

6

aktives Getriebe,

7

angetriebenes Getriebe,

8

Schleifzylinder,

9

Grundplattenhalter,

10

Staubabsaugschlauch,

11

Staubaustragsöffnung,

12

zweiter Tragrahmen,

13

Stahlrohrlochung,

14

Stützrollenkugel,

15

ringförmiger Hohlraum,

16

Staubabsaugöffnung,

17

innerer Hohlraum,

18

Schleifborsten,

19

Staubstoppzylinder,

20

Luftführungskanal.

In the figures:

1

top plate,

2

exhaust fan,

3

dust box,

4

first supporting frame,

5

servo motor,

6

active gear,

7

driven gear,

8th

grinding cylinder,

9

base plate holder,

10

dust extraction hose,

11

dust discharge opening,

12

second support frame,

13

steel tube perforation,

14

support roller ball,

15

annular cavity,

16

dust extraction port,

17

inner cavity,

18

abrasive bristles,

19

dust stop cylinder,

20

air duct.

Embodiments of the present invention

The technical solutions of this utility model are described in more detail below in connection with specific embodiments.

Embodiments of this utility model will be described in detail below, with examples of these embodiments being shown in the accompanying figures, in which the same or similar designations designate the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying figures are exemplary and only serve to explain the utility model and are not to be understood as limiting the utility model.

Embodiment 1

Referring to the 1 until 2 is in embodiments of the present invention a surface grinder for stainless steel pipe, comprising a top plate 1 and a base plate holder 9, characterized in that: the top plate 1 and the base plate holder 9 are mounted and fixed with a second supporting frame 12 and a first supporting frame 4, respectively; wherein the first support frame 4 is rotatably mounted with a grinding cylinder 8, an inner cavity 17 is opened through the inside of the grinding cylinder 8, a grinding hair 18 is mounted on the middle cavity wall of the inner cavity 17, a number of dust exhaust ports 16 on both cavity walls of the inner cavity 17, a number of the dust suction openings 16 are connected to an annular cavity 15 opened inside the grinding cylinder 8 on the outside of the inner cavity 17; the first support frame 4 is also provided with a drive assembly for reciprocating the grinding cylinder 8; The first supporting frame 4 is also provided with a dust box 3 equipped with an exhaust fan 2, and the dust box 3 is provided at the bottom with a dust suction hose 10, the other end of the hose being connected to the annular cavity 15; the exhaust fan 2 is used to extract air from the ends of the internal cavity 17 through a number of dust extraction ports 16.

In embodiments of the present invention, wherein the stainless steel pipe to be processed is passed through the inner cavity 17 of the grinding cylinder 8, the grinding cylinder 8 can be driven by the work of the drive assembly, rotating back and forth, the grinding process of the surface of the stainless steel tubing is facilitated by abrasive bristles 18; During grinding and machining, by controlling the work of the exhaust fan 2, the air at both ends of the inner cavity 17 can be exhausted through a series of dust exhaust ports 16, achieving the effect of simultaneous dust removal during grinding, the effect and the Efficiency of surface grinding and processing of stainless steel pipe is improved, the dust can be stored by the dust box 3, which is worthy of promotion.

Embodiment 2

As in the 1-4 shown, this embodiment differs from embodiment 1 in that:

In this embodiment, the grinding cylinder 8 is a cylindrical cylinder structure, which is set horizontally, with the second supporting frame 12 having a steel pipe perforation 13 coaxially opened with the inner cavity 17, and the wall of the steel pipe perforation 13 also being circumferentially provided with a plurality of support roller balls 14 for supporting the stainless steel pipe to improve the smoothness of movement of the stainless steel pipe and to guide the stainless steel pipe through the steel pipe perforation 13, this has an additional guiding effect and reduces the difficulty of the surface grinding operation of the stainless steel pipe.

Wherein the drive arrangement comprises a servomotor 5, an active gear 6 and a driven gear 7, the driven gear 7 being mounted on the grinding cylinder 8, the servomotor 5 being mounted on the first support frame 4, the output shaft of the servomotor 5 also being on mounted on the active gear 6, the active gear 6 meshing with the driven gear 7, the operation of the servomotor 5 can drive the grinding cylinder 8 to reciprocate rotation, the grinding bristles 18 grinding the surface of the stainless steel tube in all directions can polish.

Where the dust box 3 is mounted on the inside of the dust stop cylinder 19, the dust stop cylinder 19 is a small upper and lower conical structure, the top of the dust stop cylinder 19 protrudes in the middle of the upward arc, the bottom end of the dust stop cylinder 19 at the inner bottom outer ring of the dust box 3, by the dust stop cylinder 19, the dust can be blocked, and for the passage of air, the specific opening and material of the dust stop cylinder 19 can be without specific limitation using the existing technology; this dust box 3 is provided with a dust discharge port 11 at the bottom of the dust box 3 which communicates with the inner cavity of the dust blocking cylinder 19, through which port the dust is discharged; the air inlet of the exhaust fan 2 is connected to the inner cavity of the dust box 3 on the outside of the dust blocking cylinder 19; the dust stop cylinder 19 is also provided with an air duct 20 in the middle of the inside, the air duct 20 and the dust stop cylinder 19 being arranged in a common axis, the upper end of the air duct 20 being arranged in the underside of the inner top of the dust stop cylinder 19 , the lower end of the air duct 20 protruding from the bottom of the dust box 3, and said air duct 20 being sealed and fixed to the bottom of the dust box 3, the lower end of said air duct 20 being connected to the annular cavity 15 through the dust extraction hose 10 is.

Through the work of the exhaust fan 2, a series of dust exhaust port 16 can create negative pressure, thus playing a role in dust exhaustion, the air can be discharged from the upper end of the air duct 20 through the dust stop cylinder 19, the air out of the dust stop cylinder 19 can be discharged, the dust stop cylinder 19 has a good effect in dust collection, and it is convenient to open the dust discharge port 11 to collect and clean dust, the operation is flexible and convenient.

In this embodiment, the control of the exhaust fan 2 and the servomotor 5 can be performed using the PLC controller disclosed in the prior art, and the specific design and circuitry of the PLC controller, the exhaust fan 2 and the servomotor 5 are not specifically limited and in the practical application can be flexibly adjusted; the circuits, electronic components and modules involved are all state of the art and can be fully implemented by a person skilled in the art without further ado, the protection afforded by the invention not including any improvements to the software program.

The surface grinding device for stainless steel pipe, the stainless steel pipe to be processed is passed through the inner cavity 17 of the grinding cylinder 8, the grinding cylinder 8 can be driven by the work of the servo motor 5 of the drive assembly, rotating back and forth, where the grinding operation of the surface of the stainless steel pipe is facilitated by grinding bristles 18; During grinding and machining, by controlling the work of the exhaust fan 2, the air at both ends of the inner cavity 17 can be exhausted through a series of dust exhaust ports 16, achieving the effect of simultaneous dust removal during grinding, the effect and the Efficiency of surface grinding and processing of stainless steel pipes is improved, the air can be discharged from the upper end of the air duct 20 through the dust stop cylinder 19, the air can be discharged from the dust stop cylinder 19, the dust stop cylinder 19 has a good effect in dust collection and it is convenient to open the dust discharge port 11 for collecting and cleaning dust, the operation is flexible and convenient, which is worthy of promotion.

In the description of the present invention, the terms "middle", "longitudinal", "transverse", "length", "width", "thickness", "top", "bottom", "front", "back", " left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. denote orientations or positional relationships based on are based on those illustrated in the accompanying drawings and are provided only for the convenience and convenience of describing the invention. They are not intended to indicate or imply that the device or element referred to is of any particular orientation, constructed and in any particular Alignment must work and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are for descriptive purposes only and are not to be construed as indicating relative importance or implying the number of technical features stated. Thus, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features mentioned. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically limited.

In describing the invention, it should be noted that the terms "assembled," "connected," "connected," "connected" should be understood in a generic sense, such as a fixed connection, as detachable connection or as a one-piece connection; as a mechanical connection, as an electrical connection or as a mutual connection; as a direct connection or as an indirect connection via an intermediate medium, as a connection within two elements or as an interaction between two elements. A person skilled in the art should understand the specific meaning of the above terms in the context of the present invention on a case-by-case basis.

In the present invention, unless expressly stated and limited otherwise, the first feature "on" or "below" the second feature may include direct contact between the first and second features, or it may include contact between the first and second characteristic not directly but through other characteristics between them. In addition, the first feature is "above", "above" and "above" the second feature, including the first feature directly above and diagonally above the second feature, or simply indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature, located "below", "below", and "below" the second feature, implies that the first feature is directly above and diagonally above the second feature, or simply indicates that the first feature is horizontal is less high than the second feature. The following disclosure contains a number of different embodiments or examples of the implementation of various structures of the present invention. In order to simplify the disclosure of the invention, the elements and settings of each example are described below. They are, of course, exemplary only and are not intended to limit the invention. Furthermore, the invention may repeat reference numerals and/or letters of reference in different instances, such repetition being for the purpose of simplicity and clarity and is not in itself an indication of a relationship between the various embodiments and/or settings discussed. In addition, various examples of specific methods and materials are provided in the present invention, but other method applications and/or the use of other materials may be known to those skilled in the art.

The above illustration is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make a number of variations and improvements without departing from the concept of the present invention, and these should also be considered within the scope of the present invention none of which will affect the effectiveness of the practice of the present invention and the usefulness of the utility model.

Claims (7)

A surface grinder for stainless steel pipe, comprising a top plate (1) and a base plate holder (9), characterized in that: the top plate (1) and the base plate holder (9) are each provided with a second support frame (12) and mounted and fixed to a first support frame (4); wherein the first support frame (4) is rotatably mounted with a grinding cylinder (8), an inner cavity (17) is opened through the inside of the grinding cylinder (8), a grinding hair (18) is mounted on the central cavity wall of the inner cavity (17). is, a number of dust suction openings (16) are opened on both cavity walls of the inner cavity (17), a number of the dust suction openings (16) are connected to an annular cavity (15) inside the grinding cylinder (8) on the outside of the inner cavity (17) is open; the first support frame (4) also being provided with a drive assembly for reciprocating the grinding cylinder (8); The first supporting frame (4) is also provided with a dust box (3) equipped with an exhaust fan (2), and the dust box (3) is provided with a dust extraction hose (10) at the bottom, the other end of the hose connected to the annular cavity (15); the exhaust fan (2) is used to extract air from the ends of the internal cavity (17) through a number of dust extraction ports (16). A surface grinder for stainless steel pipes claim 1 , characterized in that : wherein the grinding cylinder (8) is a cylindrical, horizontally arranged cylinder structure; wherein the second support frame (12) is provided with a steel tube perforation (13) coaxial to the inner cavity (17) and a plurality of support roller balls (14) for auxiliary support of the stainless steel tube are also attached circumferentially to the wall of the steel tube perforation (13). A surface grinder for stainless steel pipes claim 1 , characterized in that : the drive unit comprises a servo motor (5), an active gear (6) and a driven gear (7); the driven gear (7) on the grinding cylinder (8), the servomotor (5) on the first supporting frame (4) and the output shaft of the servomotor (5) also having an active gear (6) which is connected to the driven gear (7 ) combs, mounted. A surface grinder for stainless steel tubing according to any one of Claims 1 - 3 , characterized in that : the dust box (3) is provided with a dust stop cylinder (19) on the inside; the inlet of the exhaust fan (2) is connected to the inner cavity of the dust box (3) on the outside of the dust stop cylinder (19); the inner center of the dust stopper cylinder (19) is provided with an air duct (20), the upper end of the air duct (20) being at the bottom of the inner upper part of the dust stopper cylinder (19) and the lower end of the air duct (20) protrudes from the bottom of the dust box (3); the lower end of the air duct (20) being connected to the annular cavity (15) via a dust extraction hose (10). A surface grinder for stainless steel pipes claim 4 , characterized in that: wherein the dust stop cylinder (19) has a conical structure with a small top and a large bottom, the top of the dust stop cylinder (19) is curved upwards in the middle and the lower end of the dust stop cylinder (19) at the inner lower outer ring of the dust box (3). A surface grinder for stainless steel pipes claim 5 , thereby characterized in that: the dust box (3) is provided at its bottom with a dust discharge port (11) communicating with the inner cavity of the dust blocking cylinder (19). A surface grinder for stainless steel pipes claim 5 , characterized in that: wherein the air duct (20) and the dust protection cylinder (19) are arranged in a common axis and the air duct (20) is fixed tightly to the bottom of the dust box (3).

Images