CN219027062U

CN219027062U - Tubular pile steel mould inner wall grinding device

Info

Publication number: CN219027062U
Application number: CN202223155229.1U
Authority: CN
Inventors: 叶学贤; 叶永盛
Original assignee: Nanzhu Building Materials Zhaoqing Co ltd
Current assignee: Nanzhu Building Materials Zhaoqing Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-16
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a pipe pile steel mould inner wall polishing device, which comprises: the support mechanism is provided with a support seat, a first roller and a second roller which are rotatably arranged on the support seat, and a driving assembly for driving the first roller and the second roller to rotate, wherein the first roller and the second roller are respectively arranged at two sides of the bottom of the outer circle of the tubular pile steel mould; the polishing mechanism is positioned at one side of the supporting mechanism and is provided with a first rack, a first rotating shaft rotatably arranged on the first rack, a polishing head arranged at the end part of the first rotating shaft and a first motor for driving the first rotating shaft to rotate, wherein the first motor is arranged on the first rack, and the polishing head is used for polishing the inner wall of the tubular pile steel mould; the travelling mechanism is provided with a guide rail and a first travelling trolley which is arranged on the guide rail in a rolling manner, the length direction of the guide rail extends along the length direction of the tubular pile steel mould, and the first rack is arranged on the first travelling trolley. The utility model can improve the production efficiency and ensure the quality of the tubular pile.

Description

Tubular pile steel mould inner wall grinding device

Technical Field

The utility model relates to the technical field of pipe pile production equipment, in particular to a pipe pile steel mould inner wall polishing device.

Background

The tubular pile is an important pile foundation material and an important cement product, has the advantages of good pile material quality, quick construction, strong engineering geological adaptability and the like compared with general foundation engineering, and is widely applied to foundation engineering of various buildings and structures, such as high-rise buildings, public buildings, roads, bridges and the like.

In the pipe pile production process, a steel reinforcement cage is required to be arranged in a pipe pile steel mould, and then the procedures of feeding, tensioning, centrifuging, normal-temperature steam curing, demoulding, high-pressure steam curing and the like are carried out. After the tubular pile steel mould is repeatedly used, the inner wall of the tubular pile steel mould can be adhered with some concrete, and if the concrete on the inner wall of the tubular pile steel mould is not cleaned in time, the appearance quality of a finished tubular pile can be seriously influenced, and the reuse of the tubular pile steel mould can be influenced.

However, traditional clearance mode is generally cleared up the concrete of tubular pile steel mould inner wall through manual handheld shovel, or handheld polisher is polished to, leads to production efficiency low, wastes time and energy, and moreover, the holding leads to the tubular pile steel mould inner wall not smooth, influences the quality of tubular pile.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the pipe pile steel die inner wall polishing device which can automatically polish the pipe pile steel die inner wall, improve the production efficiency and ensure the quality of the pipe pile.

The utility model relates to a pipe pile steel mould inner wall polishing device, which comprises: the support mechanism is used for supporting the tubular pile steel die and is provided with a support seat, a first roller, a second roller and a driving assembly, wherein the first roller and the second roller are rotatably arranged on the support seat, the driving assembly is used for driving the first roller and the second roller to rotate, and the first roller and the second roller are respectively arranged on two sides of the bottom of the outer circle of the tubular pile steel die; the polishing mechanism is positioned at one side of the supporting mechanism along the length direction of the tubular pile steel mould and is provided with a first frame, a first rotating shaft rotatably arranged on the first frame, a grinding head arranged at the end part of the first rotating shaft and a first motor for driving the first rotating shaft to rotate, wherein the first motor is arranged on the first frame, and the grinding head is used for polishing concrete on the inner wall of the tubular pile steel mould; the travelling mechanism is used for driving the polishing mechanism to be close to or far away from the tubular pile steel mould, and is provided with a guide rail and a first movable trolley which is arranged on the guide rail in a rolling manner, the length direction of the guide rail extends along the length direction of the tubular pile steel mould, and the first rack is arranged on the first movable trolley.

According to the embodiment of the utility model, the polishing device for the inner wall of the tubular pile steel die has at least the following beneficial effects:

1. according to the utility model, the supporting mechanism is arranged, and the driving assembly drives the first roller and the second roller to rotate, so that the tubular pile steel die can be driven to rotate.

2. According to the utility model, the polishing mechanism is arranged, the first motor drives the rotating shaft to rotate, so that the grinding head arranged at the end part of the rotating shaft rotates, the rotating grinding head is abutted against the inner wall of the tubular pile steel mould, the inner wall of the tubular pile steel mould is polished, and the tubular pile steel mould and the grinding head simultaneously rotate, so that the inner wall of the tubular pile steel mould can be polished for 360 degrees, and the inner wall of the tubular pile steel mould is smooth and has high concentricity.

3. According to the utility model, the travelling mechanism is arranged, and when the first travelling trolley reciprocates along the guide rail, the polishing mechanism can be driven to reciprocate simultaneously, so that the grinding head reciprocates along the length direction of the tubular pile steel mould, and the inner wall of the tubular pile steel mould can be polished in all directions.

According to some embodiments of the utility model, the driving assembly has a second motor, a first sprocket assembly and a second sprocket assembly sequentially disposed at an output end of the first motor, the first sprocket assembly being connected to the first roller, the second sprocket assembly being connected to the second roller.

The beneficial effects are that: through setting up second motor, first sprocket assembly and second sprocket assembly, the second motor drives first gyro wheel and second gyro wheel through first sprocket assembly and second sprocket assembly and rotates simultaneously to, can reduce the quantity of motor, save equipment manufacturing cost.

According to some embodiments of the utility model, the driving assembly further comprises a second rotating shaft and a third sprocket assembly, the second rotating shaft is rotatably arranged on the supporting seat, the second rotating shaft is located on one side of the second motor, the first sprocket assembly, the third sprocket assembly and the second sprocket assembly are sequentially arranged on the second rotating shaft, and the second motor output end is connected with the second rotating shaft through the third sprocket assembly.

The beneficial effects are that: through setting up second pivot and third sprocket assembly, the second motor passes through third sprocket assembly and drives the second pivot and rotate, makes the second pivot drive first gyro wheel and second gyro wheel through first sprocket assembly and second sprocket assembly and rotate simultaneously to, realize drive assembly's multistage transmission, change the output rotational speed and the moment of torsion of equipment.

According to some embodiments of the utility model, the third sprocket assembly has a drive sprocket disposed at the output of the second motor, a driven sprocket disposed at the second shaft, and a chain connecting the drive sprocket and the driven sprocket, the drive sprocket having an outer diameter that is smaller than the driven sprocket outer diameter.

The beneficial effects are that: through setting up driving sprocket, driven sprocket and chain, the second motor drives driving sprocket and rotates, and driving sprocket passes through the chain and drives driven sprocket and rotate, makes the second pivot rotate, because driving sprocket external diameter is less than driven sprocket external diameter to, can realize the high rotational speed of second motor and change the low rotational speed of second pivot.

According to some embodiments of the utility model, the polishing mechanism comprises a first bracket and a sleeve arranged on the first bracket, wherein the first bracket is arranged on the first rack, the sleeve is sleeved with the first rotating shaft, and the first rotating shaft is rotationally connected with the sleeve.

The beneficial effects are that: through setting up first support and sleeve, first pivot rotates to be connected inside the sleeve, and the sleeve can support first pivot to, can reduce rocking of first pivot, improve the stability of equipment.

According to some embodiments of the utility model, the polishing mechanism further comprises a second frame and a roller arranged on the second frame, wherein the second frame is positioned on one side of the first frame, which is close to the sleeve, and the roller is in rolling abutting connection with the sleeve.

The beneficial effects are that: through setting up second frame and roller, roller roll connection is in the second frame, and roller and sleeve roll butt when first travelling car drove grinding machanism and remove, and the roller can support sleeve bottom to, further improve the stability of equipment.

According to some embodiments of the utility model, a second trolley is arranged at the bottom of the second rack, and the second trolley is in rolling connection with the guide rail.

The beneficial effects are that: through setting up the second travelling car, the second travelling car can drive second frame and roller and remove jointly to, make the roller can support telescopic optional position, improve the flexibility of equipment.

According to some embodiments of the utility model, a lifting mechanism is arranged between the second frame and the roller, the lifting mechanism is provided with a second bracket, a screw rod rotatably arranged on the second bracket and a nut screwed with the screw rod, the second bracket is arranged on the second frame, the screw rod is vertically arranged, the nut is provided with a mounting seat, and the roller is rotatably connected with the mounting seat.

The beneficial effects are that: through setting up elevating system, when the screw rod rotates, drive the nut and remove along screw rod length direction, and then, realize the lift of roller to, can support the sleeve of different height.

According to some embodiments of the utility model, the first bracket is hinged with the sleeve, and a universal coupling is arranged between the first motor and the first rotating shaft.

The beneficial effects are that: through setting up universal joint, first support is articulated with the sleeve, when elevating system drove the roller and goes up and down, and first pivot and sleeve rotate certain angle around first support simultaneously, make have certain angle deviation between the output shaft of first motor and the first pivot, and universal joint can compensate angle deviation to, can make first pivot normally rotate.

According to some embodiments of the utility model, the lifting mechanism further comprises a guide rod and a guide sleeve sleeved on the guide rod, the guide rod is vertically arranged on the second frame, the guide rod is positioned on one side of the screw rod, and the guide sleeve is arranged on one side of the mounting seat.

The beneficial effects are that: through setting up guide arm and guide pin bushing, when the screw rod drove the nut and remove, drive the mount pad and remove, the guide pin bushing and the guide rail slip of setting up in mount pad one side to can realize the direction of mount pad, prevent that the roller from taking place the slope when going up and down.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a polishing device for the inner wall of a steel pipe pile die according to an embodiment of the utility model;

FIG. 2 is a schematic view of the supporting mechanism in FIG. 1;

fig. 3 is a schematic structural view of the lifting mechanism in fig. 1.

Reference numerals: 100-supporting mechanism, 110-supporting seat, 120-first roller, 130-second roller, 140-driving component, 150-polishing mechanism, 160-first frame, 170-first rotating shaft, 180-grinding head, 190-first motor, 200-running mechanism, 210-guide rail, 220-first moving trolley, 230-second motor, 240-first sprocket component, 250-second sprocket component, 260-second rotating shaft, 270-third sprocket component, 280-driving sprocket, 290-driven sprocket, 300-chain, 310-first bracket, 320-sleeve, 330-second frame, 340-roller, 350-second moving trolley, 360-lifting mechanism, 370-second bracket, 380-screw, 390-nut, 400-mounting seat, 410-guide rod, 420-guide sleeve, 430-coupling.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either 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.

The following describes a pipe pile steel die inner wall polishing device according to an embodiment of the utility model with reference to the accompanying drawings.

Referring to fig. 1 and 2, a pipe pile steel die inner wall polishing device according to an embodiment of the present utility model includes a supporting mechanism 100, a polishing mechanism 150 and a traveling mechanism 200.

The supporting mechanism 100 includes a supporting seat 110, a first roller 120 and a second roller 130 rotatably disposed on the supporting seat 110, and a driving assembly 140 for driving the first roller 120 and the second roller 130 to rotate, where the first roller 120 and the second roller 130 are disposed on two sides of the bottom of the outer circle of the tubular pile steel die, respectively, so as to drive the tubular pile steel die to rotate.

In position, the polishing mechanism 150 is located at one side of the supporting mechanism 100 along the length direction of the tubular pile steel mould, and is provided with a first frame 160, a first rotating shaft 170 rotatably arranged on the first frame 160, a grinding head 180 arranged at the end part of the first rotating shaft 170, and a first motor 190 for driving the first rotating shaft 170 to rotate, wherein the first motor 190 is arranged on the first frame 160, and the grinding head 180 is used for polishing concrete on the inner wall of the tubular pile steel mould.

Further, the travelling mechanism 200 has a guide rail 210 and a first travelling carriage 220 rollingly disposed on the guide rail 210, the longitudinal direction of the guide rail 210 extends along the longitudinal direction of the tubular pile steel die, and the first frame 160 is disposed on the first travelling carriage 220.

Specifically, the first motor 190 drives the rotation of the rotation shaft, so that the grinding head 180 arranged at the end part of the rotation shaft rotates, when the first moving trolley 220 reciprocates along the guide rail 210, the grinding mechanism 150 can be driven to reciprocate simultaneously, so that the grinding head 180 reciprocates along the length direction of the tubular pile steel mould, the rotating grinding head 180 is abutted against the inner wall of the tubular pile steel mould, the inner wall of the tubular pile steel mould is ground, and the tubular pile steel mould and the grinding head 180 rotate simultaneously, so that the inner wall of the tubular pile steel mould can be ground in an omnibearing manner, and the inner wall of the tubular pile steel mould is smooth and high in concentricity.

In some preferred embodiments, the drive assembly 140 has a second motor 230, a first sprocket assembly 240 and a second sprocket assembly 250 sequentially disposed at the output of the first motor 190, the first sprocket assembly 240 being coupled to the first roller 120, the second sprocket assembly 250 being coupled to the second roller 130.

It can be appreciated that by providing the second motor 230, the first sprocket assembly 240 and the second sprocket assembly 250, the second motor 230 drives the first roller 120 and the second roller 130 to rotate simultaneously through the first sprocket assembly 240 and the second sprocket assembly 250, thereby reducing the number of motors and saving the manufacturing cost of the apparatus.

In some preferred embodiments, the driving assembly 140 further has a second rotating shaft 260 and a third sprocket assembly 270, the second rotating shaft 260 is rotatably disposed on the support base 110, the second rotating shaft 260 is located at one side of the second motor 230, the first sprocket assembly 240, the third sprocket assembly 270, and the second sprocket assembly 250 are sequentially disposed on the second rotating shaft 260, and an output end of the second motor 230 is connected with the second rotating shaft 260 through the third sprocket assembly 270.

It can be appreciated that by providing the second rotating shaft 260 and the third sprocket assembly 270, the second motor 230 drives the second rotating shaft 260 to rotate through the third sprocket assembly 270, so that the second rotating shaft 260 drives the first roller 120 and the second roller 130 to rotate simultaneously through the first sprocket assembly 240 and the second sprocket assembly 250, thereby realizing multi-stage transmission of the driving assembly 140 and changing the output rotation speed and torque of the device.

In some preferred embodiments, the third sprocket assembly 270 has a driving sprocket 280 disposed at an output end of the second motor 230, a driven sprocket 290 disposed at the second shaft 260, and a chain 300 connecting the driving sprocket 280 and the driven sprocket 290, the driving sprocket 280 having an outer diameter smaller than an outer diameter of the driven sprocket 290.

It can be appreciated that by providing the driving sprocket 280, the driven sprocket 290 and the chain 300, the second motor 230 drives the driving sprocket 280 to rotate, the driving sprocket 280 drives the driven sprocket 290 to rotate through the chain 300, so that the second rotating shaft 260 rotates, and the outer diameter of the driving sprocket 280 is smaller than that of the driven sprocket 290, thereby enabling the high rotation speed of the second motor 230 to be converted into the low rotation speed of the second rotating shaft 260.

In some preferred embodiments, the grinding mechanism 150 has a first bracket 310, a sleeve 320 disposed on the first bracket 310, the first bracket 310 disposed on the first frame 160, the sleeve 320 sleeved over the first shaft 170, and a rotational connection between the first shaft 170 and the sleeve 320.

It can be appreciated that by providing the first bracket 310 and the sleeve 320, the first rotating shaft 170 is rotatably connected inside the sleeve 320, and the sleeve 320 can support the first rotating shaft 170, thereby reducing shaking of the first rotating shaft 170 and improving stability of the apparatus.

Referring to fig. 1 and 3, in some preferred embodiments, the grinding mechanism 150 further has a second housing 330, and a roller 340 disposed on the second housing 330, the second housing 330 being located on a side of the first housing 160 adjacent the sleeve 320, the roller 340 being in rolling abutment with the sleeve 320.

It can be appreciated that by arranging the second rack 330 and the roller 340, the roller 340 is in rolling connection with the second rack 330, the roller 340 is in rolling contact with the sleeve 320, and when the first travelling car 220 drives the polishing mechanism 150 to move, the roller 340 can support the bottom of the sleeve 320, thereby further improving the stability of the apparatus.

In some preferred embodiments, a second traveling carriage 350 is provided at the bottom of the second frame 330, and the second traveling carriage 350 is in rolling connection with the guide rail 210.

It can be appreciated that by providing the second moving carriage 350, the second moving carriage 350 can drive the second frame 330 and the roller 340 to move together, so that the roller 340 can support any position of the sleeve 320, and flexibility of the apparatus is improved.

Referring to fig. 3, in some preferred embodiments, a lifting mechanism 360 is provided between the second frame 330 and the roller 340, the lifting mechanism 360 has a second bracket 370, a screw 380 rotatably provided to the second bracket 370, a nut 390 screwed to the screw 380, the second bracket 370 is provided to the second frame 330, the screw 380 is vertically provided, the nut 390 is provided with a mounting 400, and the roller 340 is rotatably connected to the mounting 400.

It can be appreciated that by providing the lifting mechanism 360, when the screw 380 rotates, the nut 390 is driven to move along the length direction of the screw 380, and further, lifting of the roller 340 is achieved, so that the sleeves 320 with different heights can be supported.

In some preferred embodiments, the first bracket 310 is hinged to the sleeve 320, and a universal coupling 430 is provided between the first motor 190 and the first shaft 170.

It can be appreciated that by providing the universal coupling 430, the first bracket 310 is hinged to the sleeve 320, and when the lifting mechanism 360 drives the roller 340 to lift, the first rotating shaft 170 and the sleeve 320 simultaneously rotate around the first bracket 310 by a certain angle, so that a certain angle deviation exists between the output shaft of the first motor 190 and the first rotating shaft 170, and the universal coupling 430 can compensate the angle deviation, so that the first rotating shaft 170 can normally rotate.

In some preferred embodiments, the lifting mechanism 360 further has a guide bar 410, a guide sleeve 420 sleeved on the guide bar 410, the guide bar 410 is vertically disposed on the second frame 330, the guide bar 410 is located on one side of the screw 380, and the guide sleeve 420 is disposed on one side of the mounting base 400.

It can be understood that by arranging the guide rod 410 and the guide sleeve 420, when the screw 380 drives the nut 390 to move, the installation seat 400 is driven to move, and the guide sleeve 420 arranged at one side of the installation seat 400 slides with the guide rail 210, so that the installation seat 400 can be guided, and the roller 340 is prevented from tilting during lifting.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. Tubular pile steel mould inner wall grinding device, its characterized in that includes:

the support mechanism (100) is used for supporting the tubular pile steel die and is provided with a support seat (110), a first roller (120) and a second roller (130) which are rotatably arranged on the support seat (110), and a driving assembly (140) for driving the first roller (120) and the second roller (130) to rotate, wherein the first roller (120) and the second roller (130) are respectively arranged on two sides of the bottom of the outer circle of the tubular pile steel die;

the polishing mechanism (150) is positioned at one side of the supporting mechanism (100) along the length direction of the tubular pile steel mould and is provided with a first rack (160), a first rotating shaft (170) rotatably arranged on the first rack (160), a grinding head (180) arranged at the end part of the first rotating shaft (170) and a first motor (190) for driving the first rotating shaft (170) to rotate, wherein the first motor (190) is arranged on the first rack (160), and the grinding head (180) is used for polishing concrete on the inner wall of the tubular pile steel mould;

the travelling mechanism (200) is used for driving the polishing mechanism (150) to be close to or far away from the tubular pile steel mould, and is provided with a guide rail (210) and a first movable trolley (220) which is arranged on the guide rail (210) in a rolling manner, the length direction of the guide rail (210) extends along the length direction of the tubular pile steel mould, and the first rack (160) is arranged on the first movable trolley (220).

2. The pipe pile steel mould inner wall polishing device according to claim 1, wherein the driving assembly (140) is provided with a second motor (230), a first sprocket assembly (240) and a second sprocket assembly (250) which are sequentially arranged at the output end of the first motor (190), the first sprocket assembly (240) is connected with the first roller (120), and the second sprocket assembly (250) is connected with the second roller (130).

3. The pipe pile steel mould inner wall polishing device according to claim 2, wherein the driving assembly (140) is further provided with a second rotating shaft (260) and a third sprocket assembly (270), the second rotating shaft (260) is rotatably arranged on the supporting seat (110), the second rotating shaft (260) is located on one side of the second motor (230), the first sprocket assembly (240), the third sprocket assembly (270) and the second sprocket assembly (250) are sequentially arranged on the second rotating shaft (260), and the output end of the second motor (230) is connected with the second rotating shaft (260) through the third sprocket assembly (270).

4. A pipe pile steel mould inner wall polishing device according to claim 3, characterized in that the third sprocket assembly (270) is provided with a driving sprocket (280) arranged at the output end of the second motor (230), a driven sprocket (290) arranged at the second rotating shaft (260), and a chain (300) connecting the driving sprocket (280) and the driven sprocket (290), wherein the outer diameter of the driving sprocket (280) is smaller than the outer diameter of the driven sprocket (290).

5. The pipe pile steel mould inner wall polishing device according to claim 1, wherein the polishing mechanism (150) is provided with a first support (310) and a sleeve (320) arranged on the first support (310), the first support (310) is arranged on the first frame (160), the sleeve (320) is sleeved with the first rotating shaft (170), and the first rotating shaft (170) is in rotating connection with the sleeve (320).

6. The pipe pile steel mould inner wall polishing device according to claim 5, wherein the polishing mechanism (150) further comprises a second frame (330) and a roller (340) arranged on the second frame (330), the second frame (330) is located on one side, close to the sleeve (320), of the first frame (160), and the roller (340) is in rolling abutting connection with the sleeve (320).

7. The pipe pile steel mould inner wall polishing device according to claim 6, wherein a second moving trolley (350) is arranged at the bottom of the second rack (330), and the second moving trolley (350) is in rolling connection with the guide rail (210).

8. The pipe pile steel mould inner wall polishing device according to claim 6, wherein a lifting mechanism (360) is arranged between the second frame (330) and the roller (340), the lifting mechanism (360) is provided with a second bracket (370), a screw (380) rotatably arranged on the second bracket (370) and a nut (390) rotatably combined with the screw (380), the second bracket (370) is arranged on the second frame (330), the screw (380) is vertically arranged, the nut (390) is provided with a mounting seat (400), and the roller (340) is rotatably connected with the mounting seat (400).

9. The pipe pile steel mould inner wall polishing device according to claim 5, wherein the first bracket (310) is hinged with the sleeve (320), and a universal coupling (430) is arranged between the first motor (190) and the first rotating shaft (170).

10. The pipe pile steel die inner wall polishing device according to claim 8, wherein the lifting mechanism (360) is further provided with a guide rod (410) and a guide sleeve (420) sleeved with the guide rod (410), the guide rod (410) is vertically arranged on the second rack (330), the guide rod (410) is located on one side of the screw rod (380), and the guide sleeve (420) is arranged on one side of the mounting seat (400).