CN216829993U

CN216829993U - Grinding rod driving mounting base of steel pipe inner grinding machine

Info

Publication number: CN216829993U
Application number: CN202123327565.5U
Authority: CN
Inventors: 刘琼飞; 王志明
Original assignee: Hunan Youdu Electromechanical Equipment Co ltd
Current assignee: Hunan Youdu Electromechanical Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-28
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a mill pole drive mount pad of mill in steel pipe belongs to interior mill technical field, has solved present mill pole drive mount pad when the drive mill pole, and the mill pole range of rocking is great, influences the problem of the quality of polishing, include: the fixing mechanism comprises a main machine base, a first grinding rod pressing plate, a second grinding rod pressing plate, a pin shaft, a connecting lug and a connecting shaft; the supporting mechanism is rotationally connected with the connecting shaft; and the driving motor is arranged on the main machine seat and is in driving connection with the grinding rod. Through the set screw of screwing up first grinding pin clamp plate and second grinding pin clamp plate, compress tightly the grinding pin, effectively reduced the range of rocking of grinding pin, the utility model discloses a shaft center of each rotating part is all on same axis, and the range of rocking of grinding pin is littleer in the setting of first grinding pin clamp plate and second grinding pin clamp plate to and supporting mechanism's setting makes bistrique position control more nimble.

Description

Grinding rod driving mounting base of steel pipe inner grinding machine

Technical Field

The utility model belongs to the technical field of interior mill, specifically a mill pole drive mount pad of mill in steel pipe.

Background

Steel pipes are generally produced from steel pipe factories, and the inner surface of the steel pipe is often accompanied with scabs and wrinkles, and in order to make the inner surface of the steel pipe smoother, the inner surface of the steel pipe is usually ground using an internal grinding machine. The grinding rod is installed in the drive installation seat, and the long shaft rotationally connected in the grinding rod is driven to rotate at a high speed through the motor, so that the grinding head fixed at the end part of the long shaft is driven to grind the inner wall of the steel pipe.

However, when the existing grinding rod driving mounting seat drives a grinding rod, the grinding rod shakes a large amplitude to affect the grinding quality, and the continuous large amplitude shaking of the grinding rod can also affect the service life of the grinding rod.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grinding pin drive mount pad of steel pipe inner mill for solve following technical problem:

the grinding rod driving mounting seat has the advantages that when the grinding rod is driven, the shaking range of the grinding rod is large, and the grinding quality is influenced.

In order to achieve the above object, the utility model provides a following technical scheme:

a grinding pin drive mount for a steel tube inner mill, comprising:

a securing mechanism, the securing mechanism comprising: a main machine base; the first grinding rod pressing plate and the second grinding rod pressing plate are fixed on the main machine base; limiting holes are formed between the first grinding rod pressing plate and the main machine base and between the second grinding rod pressing plate and the main machine base; a pin shaft fixed at the end part of the main machine seat; the connecting lug is sleeved on the pin shaft; the connecting shaft is arranged below the limiting hole and penetrates through the main machine base;

the supporting mechanism comprises supporting seats arranged on two sides of the main machine seat and an outer ring fixedly connected with the supporting seats, a dust ring, a tapered roller bearing and a dust-proof end cover are sequentially arranged between the outer ring and the connecting shaft from inside to outside along the axial direction, and a bearing spacer ring is arranged in the tapered roller bearing;

the grinding machine comprises a main machine base, a driving motor arranged on the main machine base, wherein the output end of the driving motor is in transmission connection with a belt pulley, and the belt pulley is fixedly connected to the end part of a long shaft of a grinding rod.

Further scheme: the axis of the connecting shaft is perpendicular to the axis of the limiting hole.

Further scheme: the axis of the pin shaft is overlapped with the axis of the limiting hole.

Further scheme: the connecting shaft is locked with the main machine base through a plurality of screws.

Further scheme: the dustproof ring, the tapered roller bearing and the dustproof end cover are axially limited by a screw which is connected to the end part of the connecting shaft through threads.

Further scheme: the first grinding rod pressing plate and the second grinding rod pressing plate are both provided with arc surfaces, and the main machine base is provided with an arc groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the grinding rod is tightly pressed by screwing the fixing screws of the first grinding rod pressing plate and the second grinding rod pressing plate, the shaking amplitude of the grinding rod is effectively reduced, a belt pulley is coaxially installed at one end of a long shaft of the grinding rod, and a driving motor is in transmission connection with the belt pulley through a belt; and then the limiting hole is adjusted through the action of external force and the connecting lug, so that the grinding head at the end part of the grinding rod is aligned to the corresponding part in the steel pipe, the driving motor is started to drive the grinding head to rotate at a high speed, the inner wall of the steel pipe is ground, and the position of the grinding head can be adjusted through moving the connecting lug in time while grinding. Compared with the prior art, the utility model discloses an axle center of each rotatable parts is all on same axis, the setting of first grinding pin clamp plate and second grinding pin clamp plate, and the range of rocking of grinding pin is littleer to and supporting mechanism's setting makes bistrique position control more nimble.

Drawings

To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of an overall structure of a grinding rod driving mounting seat according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a mounting seat and a supporting mechanism provided in an embodiment of the present invention;

fig. 3 is an enlarged view of a region a in fig. 2.

In the figure: 1. a fixing mechanism; 101. a main machine base; 102. a first grinding bar pressing plate; 103. a second grinding rod pressing plate; 104. a limiting hole; 105. a pin shaft; 106. connecting lugs; 107. a connecting shaft; 2. a support mechanism; 201. a supporting seat; 202. an outer ring; 203. a tapered roller bearing; 204. a dust ring; 205. a bearing spacer ring; 206. a dust-proof end cover; 3. a drive motor; 301. a belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in an embodiment of the present invention, an installation seat for driving grinding rods of a steel pipe internal grinding machine includes a fixing mechanism 1, a supporting mechanism 2 and a driving mechanism, wherein the fixing mechanism 1 includes a main machine base 101, a first grinding rod pressing plate 102, a second grinding rod pressing plate 103, a pin 105, a lug 106 and a connecting shaft 107, the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103 are respectively fixed on the main machine base 101 through a plurality of screws, the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103 both have arc surfaces, the main machine base 101 has arc grooves, and a limiting hole 104 is formed between the first grinding rod pressing plate 102 and the main machine base 101 and between the second grinding rod pressing plate 103 and the main machine base 101. Grinding rods are arranged in the limiting holes 104 and are pressed and fixed through the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103. The end of the main machine base 101 away from the limiting hole 104 is fixedly connected with the pin shaft 105, a welding mode can be adopted, the connecting lug 106 is sleeved on the pin shaft 105 and locked by a bolt and a nut, and the connecting shaft 107 is arranged below the limiting hole 104 and penetrates through the main machine base 101;

in this embodiment, the supporting mechanism 2 is rotatably connected to the connecting shaft 107, wherein the supporting mechanism 2 includes a supporting seat 201 disposed on two sides of the main chassis 101, and an outer ring 202 fixedly connected to the supporting seat 201, the supporting seat 201 is fixed on the workbench by a bolt, a dust ring 204, a tapered roller bearing 203 and a dust cap 206 are sequentially disposed between an inner wall of the outer ring 202 and the connecting shaft 107 from inside to outside along an axial direction, and a bearing spacer 205 is disposed in the tapered roller bearing 203. The connecting shaft 107 is used as a rotating shaft of the main machine base 101, and the direction of the limiting hole 104 can be adjusted by applying external force on the connecting lug 106, so that the angle of the grinding rod arranged in the limiting hole 104 can be adjusted, and the grinding head at the end part of the grinding rod is more attached to the inner wall of the steel pipe.

In this embodiment, as a driving mechanism of the grinding rod, the driving mechanism includes a driving motor 3 fixedly installed on the main chassis 101 through a bolt and a nut and located between the pin shaft 105 and the limiting hole 104, the driving motor 3 is in driving connection with the grinding rod, specifically, the grinding rod is composed of an outer sleeve, a long shaft arranged in the outer sleeve and in rotating connection, a belt pulley arranged at one end of the long shaft and a grinding head arranged at the other end of the long shaft, the outer sleeve of the grinding rod is arranged in the limiting hole, and is pressed and fixed by the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103, an output end of the driving motor 3 is fixedly connected with a belt pulley, the belt pulley is in transmission connection with the belt pulley of the grinding rod through a belt 301, and drives the grinding head at the end of the long shaft to rotate at a high speed.

In another embodiment, the driving mechanism comprises a driving motor 3 fixedly installed in the main chassis 101 and located between the pin 105 and the limiting hole 104, and the output end of the driving motor 3 is directly connected with the pulley at the end of the long shaft.

In order to facilitate the accuracy of adjusting the direction of the limiting hole 104 and enable the axis of the limiting hole 104 to rotate on a sector, the axis of the connecting shaft 107 is perpendicular to the axis of the limiting hole 104, and the axis of the pin shaft 105 is overlapped with the axis of the limiting hole 104.

In order to prevent the coupling shaft 107 from being displaced from the main housing 101, the coupling shaft 107 is fastened to the main housing 101 by a plurality of screws screwed thereto.

In order to maintain the cleanliness of the space between the connecting shaft 107 and the outer ring 202, the dust seal 204, the tapered roller bearing 203, and the dust cap 206 are axially restrained by screws screwed to the ends of the connecting shaft 107.

When the grinding machine is used, one end of a grinding rod is arranged in the arc groove of the main machine base 101, the grinding rod and the arc groove are coaxially arranged, then the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103 are covered above the arc groove of the main machine base 101 and fastened through bolts, at the moment, the arc surfaces of the arc groove of the main machine base 101, the first grinding rod pressing plate 102 and the second grinding rod pressing plate 103 are tightly attached to the outer sleeve of the grinding rod, the outer sleeve of the grinding rod is tightly pressed, the shaking amplitude of the grinding rod is effectively reduced, a belt pulley is coaxially arranged at one end of the long shaft of the grinding rod, and the driving motor 3 is in transmission connection with the belt pulley through a belt 301; and then the limiting hole 104 is adjusted through the action of external force and the connecting lug 106, so that the grinding head at the end part of the grinding rod is aligned to the corresponding part in the steel pipe, the driving motor 3 is started to drive the grinding head to rotate at a high speed, the inner wall of the steel pipe is ground, and the position of the grinding head can be adjusted by moving the position of the connecting lug 106 in time during grinding. Compared with the prior art, the utility model discloses an axle center of each rotating part is all on same axis, the setting of first grinding pin clamp plate 102 and second grinding pin clamp plate 103, and the range of rocking of grinding pin is littleer to and the setting up of supporting mechanism 2 makes bistrique position control more nimble.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A grinding rod driving mounting seat of a steel pipe inner grinding machine is characterized by comprising:

a fixing mechanism (1), the fixing mechanism (1) comprising: a main chassis (101); a first grinding rod pressing plate (102) and a second grinding rod pressing plate (103) which are fixed on the main machine base (101); a limiting hole (104) is formed between the first grinding rod pressing plate (102) and the main machine base (101) and between the second grinding rod pressing plate (103); a pin shaft (105) fixed at the end part of the main machine base (101); a connecting lug (106) sleeved on the pin shaft (105); a connecting shaft (107) which is arranged below the limiting hole (104) and penetrates through the main machine base (101);

the supporting mechanism (2) is rotatably connected with the connecting shaft (107), the supporting mechanism (2) comprises supporting seats (201) arranged on two sides of the main machine seat (101) and an outer ring (202) fixedly connected with the supporting seats (201), a dust ring (204), a tapered roller bearing (203) and a dust cover (206) are sequentially arranged between the outer ring (202) and the connecting shaft (107) from inside to outside along the axial direction, and a bearing space ring (205) is arranged in the tapered roller bearing (203);

the grinding machine is characterized by comprising a driving motor (3) arranged on the main machine base (101), wherein the driving motor (3) is in driving connection with a grinding rod.

2. The grinding rod driving mounting seat of the steel tube inner grinding machine as claimed in claim 1, wherein the axis of the connecting shaft (107) is perpendicular to the axis of the limiting hole (104).

3. The grinding rod driving mounting seat of the steel tube inner grinding machine is characterized in that the axis of the pin shaft (105) is coincident with the axis of the limiting hole (104).

4. The grinding rod driving mounting seat of the steel pipe inner mill according to claim 1, characterized in that the connecting shaft (107) is locked with the main machine seat (101) by a plurality of screws.

5. The grinding rod driving mounting seat of the steel tube inner grinding machine is characterized in that the dust ring (204), the tapered roller bearing (203) and the dust cover (206) are axially limited by a screw which is connected to the end part of the connecting shaft (107) through threads.

6. The grinding rod driving mounting seat of the steel tube inner grinding machine as claimed in claim 1, wherein one surface of the first grinding rod pressing plate (102) and one surface of the second grinding rod pressing plate (103) are both arc surfaces, and the main machine seat (101) is provided with an arc groove.