CN114161295B

CN114161295B - Workpiece taking device for numerical control machine tool

Info

Publication number: CN114161295B
Application number: CN202111400411.6A
Authority: CN
Inventors: 王强; 倪玉成
Original assignee: Jiangsu Yiquan Cnc Technology Co ltd
Current assignee: Jiangsu Yiquan Cnc Technology Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-09-27
Anticipated expiration: 2041-11-19
Also published as: CN114161295A

Abstract

The invention discloses a workpiece taking device for a numerical control machine tool, which belongs to the technical field of machine tools and comprises a mounting seat, wherein a clamping assembly is arranged at the bottom of the mounting seat, an adjusting member is arranged at the top of the clamping assembly and connected with the mounting seat, polishing assemblies are respectively arranged on two sides of the clamping assembly, the top of each polishing assembly is connected with the adjusting member, the polishing assemblies are adjusted to corresponding positions when the clamping positions are adjusted by the adjusting members, and polishing sleeves for polishing the surfaces of workpieces are sleeved in the polishing assemblies. The position of the clamping assembly is adjusted through the adjusting member, so that the clamping assembly can clamp workpieces on a machine tool conveniently, the polishing assembly and the adjusting member are connected with each other, the polishing assembly adjusts the position of a box body according to the clamping assembly, the polishing sleeve connected to the polishing assembly is used for primarily polishing the workpieces before entering, the polishing sleeve is used for secondarily polishing the tail end of the workpieces, and marks generated by the clamping device in the workpiece taking process after tubular materials are machined in the prior art are reduced.

Description

Workpiece taking device for numerical control machine tool

Technical Field

The invention relates to the technical field of numerical control machines, in particular to a workpiece taking device for a numerical control machine.

Background

The numerical control machine tool is a short name of a digital control machine tool (Computer numerical control machine tools), and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals, and after the numerical control machine tool is machined, the workpiece needs to be taken out from the machining seat of the machine tool.

The existing numerically-controlled machine tool workpiece processing adopts a manual workpiece taking mode and also adopts a mode of taking the workpiece by a mechanical arm, but on the surface of the processed workpiece, such as a roller-shaped metal workpiece, in order to meet the workpiece processing requirement, mechanical processing operations such as drilling, boring and the like are carried out on the outer surface of the roller-shaped metal workpiece, after the numerically-controlled machine tool controls a processing cutter to process, most of cutting waste materials after the processing such as drilling, boring and the like are processed by blowing out and the like from the surface of the workpiece, but on the surface of a hole position of a processing position, the cut waste materials are adhered, when the workpiece is taken by using the manual workpiece, a clamping device of the mechanical arm easily scratches a worker, when the workpiece is taken by adopting the workpiece taking mode such as the mechanical arm and the like, the clamping device of the mechanical arm has a certain clamping force on the workpiece, the cutting waste materials and the workpiece surface are easily pressed together, and the workpiece surface has an indentation, therefore, the workpiece taking device for the numerical control machine tool is provided.

Disclosure of Invention

In view of the technical defects, the invention aims to provide a workpiece taking device for a numerical control machine tool, which is used for pre-polishing clamped workpieces from two end positions through a polishing assembly, so that waste scraps are prevented from adhering to the surface positions of the workpieces in the clamping process.

In order to solve the technical problems, the invention adopts the following technical scheme: the invention provides a workpiece taking device for a numerical control machine tool, which comprises a mounting seat, wherein a mounting hole is formed in the mounting seat, a clamping assembly for clamping a workpiece is arranged at the bottom of the mounting seat, an adjusting piece for adjusting the workpiece to be clamped at different positions on the machine tool is arranged at the top of the clamping assembly, the adjusting piece is connected with the mounting seat, polishing assemblies are respectively arranged on two sides of the clamping assembly, the tops of the polishing assemblies are connected with the adjusting piece, the polishing assemblies are adjusted to corresponding positions when the clamping position is adjusted by the adjusting piece, polishing sleeves for polishing the surfaces of the workpieces are sleeved in the polishing assemblies, the polishing sleeves on one side of the adjusting piece perform primary polishing treatment on the clamped workpiece, and the polishing sleeves on the other side of the adjusting piece perform polishing treatment on the workpiece after the workpiece is taken out

Preferably, the adjusting part comprises a motor connected to the top of the mounting seat, the output end of the motor is connected with a rotating shaft, the rotating shaft penetrates through the mounting seat, the bottom of the rotating shaft is connected with the clamping assembly, the outer side of the rotating shaft is connected with a rotating disc, and the bottom of the rotating disc is connected with the polishing assembly.

Preferably, the clamping assembly comprises a rotating bearing connected to the bottom of the rotating shaft, the bottom of the rotating bearing is connected with a telescopic cylinder, the output end of the telescopic cylinder is connected with an articulated seat, the bottom of the articulated seat is hinged with an articulated block, the bottom of the articulated block is connected with a mounting disc, and the bottom of the mounting disc is connected with two clamping arc plates.

Preferably, the one end in the articulated seat outside is connected with the rotation motor, and rotates the motor output and be connected with first helical gear, the meshing has the second helical gear in the first helical gear outside, and the axle fixed connection of second helical gear and articulated piece, the other end in the articulated seat outside is connected with the balancing weight.

Preferably, the inner side of the clamping arc plate is connected with a re-tightening gasket, and the clamping arc plate is provided with a plurality of heat dissipation through holes.

Preferably, the subassembly of polishing is including connecting the erection column on the rolling disc, erection column bottom is connected with electronic gas pole, electronic gas pole output is connected with the installation cover, and the cover of polishing distributes inside the installation cover, it is connected with the ring gear to polish cover one end, and the meshing of the ring gear outside has drive gear, the installation cover top is connected with driving motor, and driving motor's output and drive gear are connected, the one end that the ring gear was kept away from to the cover of polishing is connected with the sliding ring, the one end that the ring gear was kept away from to the installation cover is equipped with the slide rail, and sliding ring sliding connection is in slide rail department, be connected with the infrared detection frame on the slide rail, and be equipped with the inspection hole that corresponds each other with the infrared detection frame on the sliding ring, work as the inspection hole slides and controls driving motor reversal behind the infrared detection frame.

Preferably, the bottom of the mounting sleeve is connected with an air bag belt, and the air bag belt is communicated with an air blowing pipe.

Preferably, the mounting base is provided with track arc grooves with two different ends, a sliding block is connected inside the track arc grooves, the bottom of the sliding block is connected with the top of the mounting column, a return spring is arranged inside the track arc grooves, and the other end of the return spring is connected with one side of the sliding block.

Preferably, the mounting seat is connected with a stabilizing frame, the stabilizing frame is connected with a fixing plate, and the middle of the fixing plate is sleeved outside the rotating bearing.

The invention has the beneficial effects that: the clamping assembly is adjusted through the adjusting piece, so that the clamping assembly can clamp a workpiece on a machine tool conveniently, the polishing assembly and the adjusting piece are connected with each other, the polishing assembly adjusts the position of the box body according to the clamping assembly, the polishing sleeve connected to the polishing assembly is used for primarily polishing the workpiece before the workpiece enters, cutting waste materials are prevented from being adhered to the surface of the workpiece after machining is finished, meanwhile, secondary polishing treatment is carried out on the tail end position through the polishing sleeve, and the phenomenon that the cutting waste materials are pressed on the surface of the workpiece by the clamping device in the workpiece taking process after tubular materials are machined in the prior art is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a workpiece picking device for a numerical control machine tool according to an embodiment of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

FIG. 3 is a schematic view of the structure of the adjusting member of the present invention.

Fig. 4 is a schematic structural view of the connection clamping assembly of the polishing assembly of the present invention.

Fig. 5 is a partial sectional structure view of the grasping assembly according to the present invention.

Fig. 6 is another angle structure diagram of fig. 5.

Figure 7 is a schematic view of the structure of the sanding assembly of the present invention.

Fig. 8 is another angle structure diagram of fig. 7.

Description of reference numerals: 1-mounting seat, 2-mounting hole, 3-clamping component, 4-adjusting component, 5-grinding component, 6-grinding sleeve, 11-track arc groove, 12-slide block, 13-reset spring, 14-stabilizing frame, 15-fixing plate, 31-rotating bearing, 32-telescopic cylinder, 33-hinging seat, 34-hinging block, 35-mounting disk, 36-clamping arc plate, 41-motor, 42-rotating shaft, 43-rotating disk, 51-mounting column, 52-electric air rod, 53-mounting sleeve, 54-gear ring, 55-driving gear, 56-driving motor, 57-sliding ring, 58-sliding rail, 59-infrared detection frame, 331-rotating motor, 332-first bevel gear, 333-a second bevel gear, 334-a balancing weight, 361-a tightening gasket, 362-a heat dissipation through hole, 531-an air bag belt, 532-an air blowing pipe and 571-a detection hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1 to 8, the invention provides a workpiece taking device for a numerical control machine, comprising a mounting base 1, and the mounting seat 1 is provided with a mounting hole 2, the bottom of the mounting seat 1 is provided with a clamping component 3 for clamping a workpiece, the top of the clamping component 3 is provided with an adjusting component 4 for adjusting workpieces at different positions on the clamping machine tool, the adjusting piece 4 is connected with the mounting seat 1, the two sides of the clamping component 3 are respectively provided with a polishing component 5, and the top of the grinding component 5 is connected with the adjusting component 4, the adjusting component 4 adjusts the grinding component 5 at the corresponding position when adjusting the clamping position, the polishing assembly 5 is internally sleeved with a polishing sleeve 6 for polishing the surface of a workpiece, the polishing sleeve 6 on one side of the adjusting piece 4 is used for primarily polishing the workpiece clamped by the clamping device, and the polishing sleeve 6 on the other side of the adjusting piece 4 is used for polishing the workpiece taken out.

The side wall of the mounting seat 1 is aligned to the position of a machine tool, fixing parts such as bolts are utilized to be arranged at the position of the mounting hole 2, so that the side wall of the mounting seat 1 is mounted on the machine tool, after the numerical control machine tool finishes processing a tubular metal workpiece, cutting waste materials generated by processing exist at the surface of the workpiece, at the moment, the clamping components 3 are adjusted by utilizing the adjusting parts 4 according to the corresponding positions of the workpiece on the machine tool, as shown in the figure, the clamping components 3 are distributed on a horizontal line, when the clamping components are closed to process from a vertical machine tool surface, the clamping components 3 are adjusted by rotating and adjusting the adjusting parts 4, so that the vertical machine tool surface position is adjusted by the clamping components 3, at the moment, because the grinding components 5 are distributed at the positions of two ends of the clamping components 3 and are positioned at the front end of the clamping components 3, the grinding sleeve 6 is utilized to pre-treat the workpiece which is clamped, so that the cutting waste materials at the surface of the workpiece are blown out, and the clamping components 3 clamp the workpiece at the end position, after the clamping and separating machine tool, the polishing component 5 positioned at one end behind the clamping component 3 drives the polishing sleeve 6 to further polish the workpiece, so that indentation generated in the clamping process is avoided.

Further, adjusting part 4 is including connecting at the motor 41 at mount pad 1 top, the output of motor 41 is connected with pivot 42, and pivot 42 passes mount pad 1, pivot 42 bottom is got subassembly 3 with pressing from both sides and is connected, the pivot 42 outside is connected with rolling disc 43, and rolling disc 43 bottom is connected with grinding assembly 5. The clamping assembly 3 comprises a rotating bearing 31 connected to the bottom of a rotating shaft 42, a telescopic cylinder 32 is connected to the bottom of the rotating bearing 31, an articulated seat 33 is connected to the output end of the telescopic cylinder 32, an articulated block 34 is articulated to the bottom of the articulated seat 33, a mounting disc 35 is connected to the bottom of the articulated block 34, two clamping arc plates 36 are connected to the bottom of the mounting disc 35, after the workpiece is machined, the clamping assembly 3 is distributed on a horizontal line according to the distribution position of the workpiece on a machine tool at the moment, when the workpiece is machined from a vertical machine tool surface, the clamping assembly 3 is positively rotated by starting a motor 41, because the output end of the motor 41 is fixedly connected with the rotating bearing 31 at the top of the telescopic cylinder 32 through the rotating shaft 42, and when the motor 41 drives the rotating shaft 42, the telescopic cylinder 32 is adjusted to the position of the vertical machine tool surface from the horizontal position, because the articulated block 34 is articulated to the output end of the telescopic cylinder 32 through the articulated seat 33, and the bottom of the hinge block 34 is fixedly connected with a mounting plate 35, and a clamping arc plate 36 which is in an arc shape by the mounting plate 35 is clamped at the outer side position of the tubular workpiece.

Further, one end of the outer side of the hinged seat 33 is connected with a rotating motor 331, the output end of the rotating motor 331 is connected with a first bevel gear 332, the outer side of the first bevel gear 332 is engaged with a second bevel gear 333, the second bevel gear 333 is fixedly connected with a shaft of the hinged block 34, the other end of the outer side of the hinged seat 33 is connected with a balancing weight 334, after clamping is finished, in order to facilitate taking the workpiece by a worker, after the rotating motor 331 is controlled to rotate by a corresponding angle, the first bevel gear 332 and the second bevel gear 333 at the output end of the rotating motor 331 are engaged with each other, so that the hinged block 34 is convenient to rotate along the direction of the hinged seat 33, the clamping arc plate 36 for clamping the workpiece is rotated to the horizontal direction from the vertical direction after clamping the workpiece, and the worker can take out the workpiece from the clamping position.

Furthermore, the inner side of the clamping arc plate 36 is connected with a re-tightening gasket 361, and the clamping arc plate 36 is provided with a plurality of heat dissipation through holes 362, so that a resetting and clamping effect is achieved on the surface of a workpiece through the re-tightening gasket 361, and the re-tightening gasket 361 is made of soft cloth materials with certain flexibility.

Further, the polishing assembly 5 comprises a mounting column 51 connected to the rotating disc 43, the bottom of the mounting column 51 is connected with an electric air rod 52, the output end of the electric air rod 52 is connected with a mounting sleeve 53, the polishing sleeves 6 are distributed inside the mounting sleeve 53, one end of each polishing sleeve 6 is connected with a gear ring 54, the outer side of each gear ring 54 is meshed with a driving gear 55, the top of the mounting sleeve 53 is connected with a driving motor 56, the output end of the driving motor 56 is connected with the driving gear 55, one end of each polishing sleeve 6, far away from the gear ring 54, is connected with a sliding ring 57, one end of each mounting sleeve 53, far away from the gear ring 54, is provided with a sliding rail 58, the sliding ring 57 is slidably connected to the sliding rail 58, the sliding rail 58 is connected with an infrared detection frame 59, the sliding ring 57 is provided with detection holes 571 corresponding to the infrared detection frame 59, and when the detection holes 571 slide to the infrared detection frame 59, the driving motor 56 is controlled to rotate reversely, before a workpiece is clamped, the workpiece firstly enters a polishing sleeve 6 positioned at the front end of a clamping arc plate 36, a plurality of polishing rings are arranged at the inner ring of the polishing sleeve 6, a driving gear 55 connected to the driving motor 56 starts to drive a gear ring 54 meshed with the driving gear 55 by starting the driving motor 56, because the gear ring 54 is fixedly connected to one end of the polishing sleeve 6, when the gear ring 54 starts to rotate, the polishing sleeve 6 starts to rotate inside a mounting sleeve 53, so that the polishing ring at the inner ring of the polishing sleeve 6 polishes cutting waste materials on the surface of the workpiece, meanwhile, because a sliding ring 57 fixedly connected to the other end of the polishing sleeve 6 is slidably connected inside a sliding rail 58, after a detection hole 571 on the sliding ring 57 is aligned with an infrared detection frame 59, the driving motor 56 is controlled to rotate reversely at the moment, so that the polishing sleeve 6 regularly rotates forwards and backwards to polish the surface of the workpiece, and after the workpiece is taken out, utilize the cover 6 of polishing of rear end face department to take out the work piece and press from both sides and get the further processing of polishing behind the arc board 36, so get into through getting into the work piece and press from both sides the processing of polishing before getting and get the further processing of polishing after, be convenient for with the useless clean up that cuts of work piece surface, avoid causing the indentation.

Further, the bottom of the mounting sleeve 53 is connected with an air bag belt 531, the air bag belt 531 is communicated with an air blowing pipe 532, and during polishing, adhesion waste materials are blown out of the position of a workpiece through air in the air bag belt 531 to the air blowing pipe 532.

Further, be equipped with the different orbit arc groove 11 in both ends on mount pad 1, and orbit arc groove 11 internal connection has slider 12, slider 12 bottom is connected with erection column 51 top, orbit arc groove 11 is inside to be equipped with reset spring 13, and the reset spring 13 other end is connected with slider 12 one side.

Furthermore, a stabilizing frame 14 is connected to the mounting base 1, a fixing plate 15 is connected to the stabilizing frame 14, the middle of the fixing plate 15 is sleeved outside the rotating bearing 31, and the telescopic cylinder 32 is stably protected by the stabilizing frame 14.

When in use, the side wall of the mounting base 1 is aligned to the position of a machine tool, fixing parts such as bolts are utilized to clamp the arc clamping plate 36 from the position of the mounting hole 2, so that the side wall of the mounting base 1 is mounted on the machine tool, after the numerical control machine tool finishes processing tubular metal workpieces, according to the distribution positions of the workpieces on the machine tool, the clamping assemblies 3 are distributed on a horizontal line at the moment as shown in the figure, when the machine tool is closed and processed from a vertical machine tool surface, the clamping assemblies are rotated forward by starting the motor 41, because the output end of the motor 41 is fixedly connected with the rotating bearing 31 at the top of the telescopic cylinder 32 through the rotating shaft 42, after the motor 41 drives the rotating shaft 42, the telescopic cylinder 32 is adjusted from the horizontal position to the position of the vertical machine tool surface, because the output end of the telescopic cylinder 32 is hinged with the hinged block 34 through the hinged seat 33, and the bottom of the hinged block 34 is fixedly connected with the mounting plate 35, the arc clamping plate 36 in an arc shape by utilizing the mounting plate 35 to clamp the outer side position of the tubular workpieces, before a workpiece is clamped, the workpiece firstly enters a polishing sleeve 6 positioned at the front end of a clamping arc plate 36, a plurality of polishing rings are arranged at the inner ring of the polishing sleeve 6, a driving gear 55 connected to the driving motor 56 starts to drive a gear ring 54 meshed with the driving gear 55 by starting the driving motor 56, because the gear ring 54 is fixedly connected to one end of the polishing sleeve 6, when the gear ring 54 starts to rotate, the polishing sleeve 6 starts to rotate inside a mounting sleeve 53, so that the polishing ring at the inner ring of the polishing sleeve 6 polishes cutting waste materials on the surface of the workpiece, meanwhile, because a sliding ring 57 fixedly connected to the other end of the polishing sleeve 6 is slidably connected inside a sliding rail 58, after a detection hole 571 on the sliding ring 57 is aligned with an infrared detection frame 59, the driving motor 56 is controlled to rotate reversely at the moment, so that the polishing sleeve 6 regularly rotates forwards and backwards to polish the surface of the workpiece, and after the workpiece is taken out, utilize the cover 6 of polishing of rear end face department to take out the work piece and press from both sides and get the further processing of polishing behind the arc board 36, so get into through getting into the work piece and press from both sides the processing of polishing before getting and get the further processing of polishing after, be convenient for with the useless clean up that cuts of work piece surface, avoid causing the indentation.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The workpiece taking device for the numerical control machine tool is characterized by comprising a mounting seat (1), wherein a mounting hole (2) is formed in the mounting seat (1), and a clamping assembly (3) for clamping a workpiece is arranged at the bottom of the mounting seat (1);

the clamping device is characterized in that adjusting pieces (4) used for adjusting workpieces at different positions on the clamping machine tool are arranged at the top of the clamping assembly (3), the adjusting pieces (4) are connected with the mounting seat (1), polishing assemblies (5) are respectively arranged on two sides of the clamping assembly (3), the top of each polishing assembly (5) is connected with the adjusting piece (4), the polishing assemblies (5) are adjusted to corresponding positions when the clamping positions of the adjusting pieces (4) are adjusted, polishing sleeves (6) for polishing the surfaces of the workpieces are sleeved inside the polishing assemblies (5), the polishing sleeves (6) on one side of the adjusting pieces (4) perform primary polishing on the workpieces before clamping, and the polishing sleeves (6) on the other side of the adjusting pieces (4) perform polishing on the workpieces after being taken out;

the adjusting part (4) comprises a motor (41) connected to the top of the mounting seat (1), the output end of the motor (41) is connected with a rotating shaft (42), the rotating shaft (42) penetrates through the mounting seat (1), the bottom of the rotating shaft (42) is connected with the clamping assembly (3), the outer side of the rotating shaft (42) is connected with a rotating disc (43), and the bottom of the rotating disc (43) is connected with the polishing assembly (5);

the clamping assembly (3) comprises a rotating bearing (31) connected to the bottom of a rotating shaft (42), the bottom of the rotating bearing (31) is connected with a telescopic cylinder (32), the output end of the telescopic cylinder (32) is connected with a hinging seat (33), the bottom of the hinging seat (33) is hinged with a hinging block (34), the bottom of the hinging block (34) is connected with a mounting disc (35), and the bottom of the mounting disc (35) is connected with two clamping arc plates (36);

one end of the outer side of the hinge seat (33) is connected with a rotating motor (331), the output end of the rotating motor (331) is connected with a first bevel gear (332), the outer side of the first bevel gear (332) is meshed with a second bevel gear (333), the second bevel gear (333) is fixedly connected with a shaft of the hinge block (34), and the other end of the outer side of the hinge seat (33) is connected with a balancing weight (334);

the inner side of the clamping arc plate (36) is connected with a re-tightening gasket (361), and a plurality of heat dissipation through holes (362) are formed in the clamping arc plate (36);

the polishing component (5) comprises a mounting column (51) connected to a rotating disc (43), an electric air rod (52) is connected to the bottom of the mounting column (51), an output end of the electric air rod (52) is connected with a mounting sleeve (53), the polishing sleeve (6) is distributed inside the mounting sleeve (53), one end of the polishing sleeve (6) is connected with a gear ring (54), a driving gear (55) is meshed outside the gear ring (54), the top of the mounting sleeve (53) is connected with a driving motor (56), the output end of the driving motor (56) is connected with the driving gear (55), one end, away from the gear ring (54), of the polishing sleeve (6) is connected with a sliding ring (57), one end, away from the gear ring (54), of the mounting sleeve (53) is provided with a sliding rail (58), the sliding ring (57) is slidably connected to the sliding rail (58), and an infrared detection frame (59) is connected to the sliding rail (58), and the sliding ring (57) is provided with a detection hole (571) corresponding to the infrared detection frame (59), and when the detection hole (571) slides to the infrared detection frame (59), the driving motor (56) is controlled to rotate reversely.

2. The workpiece taking device for the numerical control machine tool as claimed in claim 1, wherein an air bag belt (531) is connected to the bottom of the mounting sleeve (53), and an air blowing pipe (532) is communicated with the air bag belt (531).

3. The workpiece taking device for the numerical control machine tool as claimed in claim 1, wherein the mounting seat (1) is provided with a track arc groove (11) with two different ends, a sliding block (12) is connected inside the track arc groove (11), the bottom of the sliding block (12) is connected with the top of the mounting column (51), a return spring (13) is arranged inside the track arc groove (11), and the other end of the return spring (13) is connected with one side of the sliding block (12).

4. The workpiece taking device for the numerical control machine tool as claimed in claim 1, wherein a stabilizing frame (14) is connected to the mounting seat (1), a fixing plate (15) is connected to the stabilizing frame (14), and the middle of the fixing plate (15) is sleeved outside the rotating bearing (31).