CN113442012B

CN113442012B - Precision grinding device for glass steel tube production and processing

Info

Publication number: CN113442012B
Application number: CN202111008319.5A
Authority: CN
Inventors: 谭晓兰; 李涛涛; 周浩然
Original assignee: Jiangsu Zhongli Hechuang Precision Machinery Technology Co ltd
Current assignee: Jiangsu Zhongli Hechuang Precision Machinery Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-17
Anticipated expiration: 2041-08-31
Also published as: CN113442012A

Abstract

The invention relates to the technical field of steel pipe polishing, in particular to a precision polishing device for production and processing of a glass steel pipe, which comprises a base, wherein a rotating structure is arranged on the base, a polishing structure is connected to the base in a sliding manner, a transmission structure is arranged on the base, a sliding structure is arranged on the base, a fixed structure is arranged on the sliding structure, and a rotating structure is arranged on the base; through installing the revolution mechanic on the base, can fix FRP pipe, can also rotate, be convenient for polish side and the terminal surface of FRP pipe, can polish the side of FRP pipe through the structure of polishing simultaneously, through installing transmission structure on the base, not only can drive revolution mechanic and rotate, can also drive the structure of polishing and make a round trip to slide, polish better fixing the FRP pipe on revolution mechanic, can polish the terminal surface of FRP pipe simultaneously through revolution mechanic.

Description

Precision grinding device for glass steel tube production and processing

Technical Field

The invention relates to the technical field of steel pipe polishing, in particular to a precise polishing device for glass steel pipe production and processing.

Background

The steel pipe is used for conveying fluid and powdery solid, exchanging heat energy and manufacturing mechanical parts and containers, and is also an economic steel material, wherein the glass steel pipe is mainly manufactured by taking glass fiber and products thereof as reinforcing materials, unsaturated polyester resin, epoxy resin and the like with high molecular components as base materials, and inorganic non-metal particle materials such as quartz sand, calcium carbonate and the like as fillers as main raw materials, but the glass steel pipe needs to be polished in the production process, so a polishing device is needed.

However, the tradition is polished glass steel tube and is all polished glass steel tube side earlier, then polishes the port with glass steel tube swivel position, and not only extravagant manpower and materials still reduce whole work efficiency, all is whole polishing simultaneously when polishing moreover, just need polish with the polishing stone that glass steel tube is the same big, can not adjust better to the glass steel tube that length differs moreover.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a precision grinding device for producing and processing a glass steel tube.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a precision grinding device of FRP pipe production and processing usefulness, includes the base, install rotating-structure on the base, sliding connection has the structure of polishing on the base, install the transmission structure on the base, install sliding structure on the base, the last fixed knot that installs of sliding structure constructs, install rotating-structure on the base.

Specifically, revolution mechanic includes the pivot, it is connected with the pivot to rotate on the base, install the carousel in the pivot, install first fixed disk on the carousel.

Specifically, it is connected with first rotatory piece to rotate on the first fixed disk, sliding connection has the fixed plate in the first rotatory piece, install the connecting rod on the fixed plate, install first screw thread piece on the connecting rod, install first slider on the first screw thread piece, sliding connection has a plurality of conflict poles in the first fixed disk, and is a plurality of the conflict pole all contradicts with first slider, first screw thread piece and first fixed disk threaded connection, install first arc piece on the conflict pole.

Specifically, install first guide arm on the first arc piece, first guide arm and first fixed disk sliding connection, install the second slider on the feeler lever, second slider and first fixed disk sliding connection, install the spring between second slider and the first fixed disk.

Specifically, the polishing structure includes the slide, sliding connection has the slide on the base, install the second guide arm on the slide, second guide arm sliding connection has the backup pad, install the screw rod on the slide, screw rod and backup pad threaded connection, install the bottom plate in the backup pad, install solid fixed ring on the bottom plate, gu install the polishing piece on the fixed ring.

Specifically, the transmission structure includes the mount, install the mount on the base, install the motor on the mount, the output and the pivot fixed connection of motor, install first belt pulley in the pivot, the base internal rotation is connected with reciprocal lead screw, install the second belt pulley on the reciprocal lead screw, first belt pulley carries out the transmission through belt and second belt pulley.

Specifically, install the second screw thread piece on the slide, second screw thread piece and reciprocal lead screw threaded connection, be parallel symmetry on the slide and install two connecting plates, two the connecting plate all with reciprocal lead screw sliding connection.

Specifically, sliding construction includes the chassis, be parallel symmetry on the base and install two chassis, two equal sliding connection has the sliding sleeve on the chassis, two equal fixedly connected with support frame on the sliding sleeve, install the support column on the support frame, the support column rotates and is connected with first bull stick, install the second bull stick on the first bull stick, install the second fixed disk on the second bull stick.

Specifically, fixed knot constructs including the swivel sleeve, the second fixed disk internal rotation is connected with the swivel sleeve, swivel sleeve threaded connection has first lead screw, it is connected with second arc piece to rotate on the first lead screw, threaded connection has the second lead screw on the swivel sleeve, it is connected with third arc piece to rotate on the second lead screw, install on the swivel sleeve and change the handle.

Specifically, revolution mechanic includes the fixing base, all install the fixing base on base and the support column, install the connecting block on the fixing base, connecting block threaded connection has the third lead screw, it is connected with the rotatory piece of second to rotate on the third lead screw, install the piece of polishing on the rotatory piece of second.

The invention has the beneficial effects that:

(1) the invention relates to a precision grinding device for producing and processing a glass steel tube, which can fix the glass steel tube and can also rotate through installing a rotating structure on a base, so that the side end and the end face of the glass steel tube can be conveniently ground, and simultaneously, the side end of the glass steel tube can be ground through the grinding structure, namely, when the glass steel tube needs to be ground, a turntable is rotationally connected with the base through a rotating shaft, as a first fixing disc is arranged on the turntable, the glass steel tube needing to be ground is supported through the first fixing disc, then the turntable is held by hand, a first rotating block is rotated for rotation, as the fixing plate is slidably connected with the first rotating block, the first thread block is in threaded connection with the first fixing disc, the first rotating block is rotated to drive the first thread block to rotate, so that the first thread block slides in the first fixing disc, and as the first sliding block is abutted against a butting rod, thereby it slides to drive the first arc piece of fixing on the feeler lever, consequently can fix glass steel tube through a plurality of first arc pieces, prevent first arc piece through a plurality of first guide arms and rotate, can prevent the first fixed disk of conflict pole roll-off through installing the second slider on the feeler lever, elasticity through the spring can be when first slider is not contradicted to the feeler lever with first arc piece pull back first fixed disk inside, then through rotating the screw rod, can adjust the backup pad from top to bottom, can in time stop polishing the side of glass steel tube after polishing the completion, can prevent through the second guide arm that the backup pad from rotating, install the polishing piece in the backup pad through bottom plate and solid fixed ring, consequently, can polish the side of glass steel tube through the polishing piece.

(2) The invention relates to a precision polishing device for producing and processing a glass steel tube, which can drive a rotating structure to rotate and can also drive a polishing structure to slide back and forth to polish the glass steel tube fixed on the rotating structure better, and can polish the end surface of the glass steel tube through the rotating structure, namely, a motor which is fixed on a fixed frame and is electrically connected with an external power supply is used for driving a rotating shaft which is fixed at the output end of the motor to rotate, so that the glass steel tube to be polished can be rotated, a first belt pulley which is fixed on the rotating shaft is driven to rotate through the rotation of the rotating shaft, the first belt pulley drives a second belt pulley to rotate through the transmission of a belt, so that a reciprocating screw rod which is rotationally connected with a base can be driven to rotate, and a second thread block which is arranged on a sliding plate is connected with the reciprocating screw rod through a reciprocating thread, therefore, the reciprocating screw rod rotates to drive the sliding plate on the second threaded block to slide back and forth, the sliding plate can better slide through the connecting plate, when the side end of the glass steel tube is polished, the third screw rod is rotated to enable the third screw rod to slide forward, the second rotating block connected with the third screw rod in a rotating mode is driven to slide, and therefore the polishing block can be driven to slide, and therefore the port of the glass steel tube can be polished through the polishing block.

(3) The invention relates to a precision grinding device for producing and processing glass steel tubes, which can clamp glass steel tubes with different lengths by installing a sliding structure on a base, and can fix the clamped glass steel tubes by a fixing structure, namely, when the glass steel tubes are ground, the support frame can be pushed because the support frame is respectively connected with two bottom frames in a sliding way by two sliding sleeves, a support column is arranged on the support frame, a first rotating rod is rotated on the support column and is fixed by a second rotating rod and a second fixed disk, so the glass steel tubes can be clamped by the second fixed disk, then bolts on the sliding sleeves are rotated to prevent the support frame from sliding by itself, after the glass steel tubes are clamped, the rotating handle is rotated to drive a rotating sleeve to rotate, so a first screw rod and a second screw rod which are in threaded connection with the rotating sleeve can be driven to slide, thereby the glass steel tube of centre gripping is fixed through second arc piece and third arc piece.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic overall structure diagram of a preferred embodiment of a precision grinding device for manufacturing and processing a glass reinforced plastic pipe according to the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the rotating shaft and the motor shown in FIG. 2;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 4;

FIG. 6 is an enlarged view of the structure of the portion D shown in FIG. 4;

FIG. 7 is an enlarged view of the structure of the section E shown in FIG. 4;

FIG. 8 is an enlarged view of the structure of the portion F shown in FIG. 4;

fig. 9 is a schematic view of a connection structure of the turntable and the first arc-shaped block shown in fig. 4.

In the figure: 1. a base, 2, a rotating structure, 21, a rotating shaft, 22, a rotating disc, 23, a first fixed disc, 24, a first rotating block, 25, a fixed plate, 26, a connecting rod, 27, a first thread block, 28, a first sliding block, 29, an abutting rod, 29a, a first arc block, 29b, a first guide rod, 29c, a second sliding block, 29d, a spring, 3, a polishing structure, 31, a sliding plate, 32, a second guide rod, 33, a supporting plate, 34, a screw rod, 35, a bottom plate, 36, a fixing ring, 37, a polishing sheet, 4, a transmission structure, 41, a fixing frame, 42, a motor, 43, a first belt pulley, 44, a reciprocating screw rod, 45, a second belt pulley, 46, a belt, 47, a second thread block, 48, a connecting plate, 5, a sliding structure, 51, an underframe, 52, a sliding sleeve, 53, a supporting frame, 54, a supporting column, 55, a first rotating rod, 56, a second rotating rod, 57 and a second fixed disc, 6. fixed knot constructs, 61, swivel sleeve, 62, first lead screw, 63, second arc piece, 64, second lead screw, 65, third arc piece, 66, changes handle, 7, revolution mechanic, 71, fixing base, 72, connecting block, 73, third lead screw, 74, second rotation piece, 75, the piece of polishing.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the precision polishing device for producing and processing a glass reinforced plastic tube according to the present invention includes a base 1, wherein a rotating structure 2 is installed on the base 1, a polishing structure 3 is slidably connected to the base 1, a transmission structure 4 is installed on the base 1, a sliding structure 5 is installed on the base 1, a fixing structure 6 is installed on the sliding structure 5, and a rotating structure 7 is installed on the base 1.

Specifically, revolution mechanic 2 includes pivot 21, it is connected with pivot 21 to rotate on the base 1, install carousel 22 in the pivot 21, install first fixed disk 23 on the carousel 22, when needs were polished glass steel pipe, carousel 22 rotated through pivot 21 and base 1 and is connected, because install first fixed disk 23 on the carousel 22, consequently supported the glass steel pipe that needs to be polished through first fixed disk 23.

Specifically, the first fixed disk 23 is rotatably connected with a first rotating block 24, the first rotating block 24 is slidably connected with a fixed plate 25, the fixed plate 25 is provided with a connecting rod 26, the connecting rod 26 is provided with a first thread block 27, the first thread block 27 is provided with a first sliding block 28, the first fixed disk 23 is slidably connected with a plurality of touch rods 29, the touch rods 29 are all abutted against the first sliding block 28, the first thread block 27 is in threaded connection with the first fixed disk 23, the touch rods 29 are provided with first arc-shaped blocks 29a, then the rotary disk 22 is held by hand, the first rotating block 24 is rotated, the fixed plate 25 is in sliding connection with the first rotating block 24, the first thread block 27 is in threaded connection with the first fixed disk 23, so that the first rotating block 24 drives the first thread block 27 to rotate, and the first thread block 27 is made to slide in the first fixed disk 23, because first slider 28 and conflict pole 29 are contradicted to the drive is fixed and is slided at first arc piece 29a on the pole 29 that keeps in touch, consequently can fix glass steel pipe through a plurality of first arc pieces 29 a.

Specifically, install first guide arm 29b on the first arc piece 29a, first guide arm 29b and first fixed disk 23 sliding connection, install second slider 29c on the conflict pole 29, second slider 29c and first fixed disk 23 sliding connection, install spring 29d between second slider 29c and the first fixed disk 23, prevent first arc piece 29a through a plurality of first guide arms 29b and rotate, can prevent to conflict the first fixed disk 23 of pole 29 roll-off through installation second slider 29c on conflict pole 29, can be inside first arc piece 29a is pulled back to first fixed disk 23 when first slider 28 does not contradict to conflict pole 29 through spring 29 d's elasticity.

Specifically, polishing structure 3 includes slide 31, sliding connection has slide 31 on base 1, install second guide arm 32 on slide 31, second guide arm 32 sliding connection has a backup pad 33, install screw rod 34 on slide 31, screw rod 34 and backup pad 33 threaded connection, install bottom plate 35 on the backup pad 33, install solid fixed ring 36 on the bottom plate 35, gu install polishing piece 37 on the fixed ring 36, then through rotating screw rod 34, can adjust from top to bottom backup pad 33, can in time stop polishing the side of FRP pipe after polishing the completion, can prevent through second guide arm 32 that backup pad 33 from rotating, install polishing piece 37 through bottom plate 35 and solid fixed ring 36 on backup pad 33, consequently can polish the side of FRP pipe through polishing piece 37.

Specifically, the transmission structure 4 includes a fixing frame 41, a fixing frame 41 is installed on the base 1, a motor 42 is installed on the fixing frame 41, an output end of the motor 42 is fixedly connected with the rotating shaft 21, a first belt pulley 43 is installed on the rotating shaft 21, a reciprocating screw rod 44 is rotatably connected in the base 1, a second belt pulley 45 is installed on the reciprocating screw rod 44, the first belt pulley 43 is driven by the belt 46 and the second belt pulley 45, the motor 42 which is fixed on the fixing frame 41 and electrically connected with an external power supply works to drive the rotating shaft 21 which is fixed with the output end of the motor 42 to rotate, so that the glass reinforced plastic pipe which needs to be polished can be rotated, the first belt pulley 43 which is fixed on the rotating shaft 21 is driven to rotate by the rotating shaft 21, and the first belt pulley 43 is driven by the belt 46 to drive the second belt pulley 45 to rotate, thereby driving the reciprocating screw rod 44 which is rotatably connected with the base 1 to rotate.

Specifically, the sliding plate 31 is provided with a second thread block 47, the second thread block 47 is in threaded connection with the reciprocating screw rod 44, the sliding plate 31 is provided with two connecting plates 48 in parallel and symmetrical relation, and both the two connecting plates 48 are in sliding connection with the reciprocating screw rod 44, because the second thread block 47 arranged on the sliding plate 31 is in threaded connection with the reciprocating screw rod 44, the reciprocating screw rod 44 rotates to drive the sliding plate 31 on the second thread block 47 to slide back and forth, and the sliding plate 31 can better slide through the connecting plates 48.

Specifically, sliding construction 5 includes chassis 51, be parallel symmetry on the base 1 and install two chassis 51, two equal sliding connection has sliding sleeve 52 on chassis 51, two equal fixedly connected with support frame 53 on sliding sleeve 52, install support column 54 on the support frame 53, support column 54 rotates and is connected with first bull stick 55, install second bull stick 56 on the first bull stick 55, install second fixed disk 57 on the second bull stick 56, when polishing the FRP pipe, because support frame 53 respectively with two chassis 51 sliding connection through two sliding sleeve 52, consequently can promote support frame 53, because install support column 54 on the support frame 53, it has first bull stick 55 to rotate on the support frame 54, first bull stick 55 is fixed through second bull stick 56 and second fixed disk 57, consequently can carry out the centre gripping through second fixed disk 57 with FRP pipe, then the bolt on the sliding bush 52 is turned to prevent the support 53 from sliding by itself.

Specifically, fixed knot constructs 6 includes swivel sleeve 61, the internal rotation of second fixed disk 57 is connected with swivel sleeve 61, swivel sleeve 61 threaded connection has first lead screw 62, it is connected with second arc piece 63 to rotate on the first lead screw 62, threaded connection has second lead screw 64 on the swivel sleeve 61, it is connected with third arc piece 65 to rotate on the second lead screw 64, install on the swivel sleeve 61 and change 66, after with the glass steel pipe centre gripping, rotate and change 66 and drive swivel sleeve 61 and rotate, consequently can drive first lead screw 62 and the second lead screw 64 with swivel sleeve 61 threaded connection and slide to come to fix the glass steel pipe of centre gripping through second arc piece 63 and third arc piece 65.

Specifically, revolution mechanic 7 includes fixing base 71, all install fixing base 71 on base 1 and the support column 54, install connecting block 72 on the fixing base 71, connecting block 72 threaded connection has third lead screw 73, it is connected with the rotatory piece 74 of second to rotate on the third lead screw 73, install the piece 75 of polishing on the rotatory piece 74 of second, when polishing the FRP pipe side, rotate third lead screw 73 and make third lead screw 73 slide forward, drive and rotate the rotatory piece 74 of second of connecting with third lead screw 73 and slide, consequently can drive the piece 75 of polishing and slide to can polish the port of FRP pipe through the piece 75 of polishing.

When the glass steel tube polishing machine is used, when a glass steel tube needs to be polished, the rotary table 22 is rotatably connected with the base 1 through the rotary shaft 21, the first fixed disc 23 is installed on the rotary table 22, so that the glass steel tube needing to be polished is supported through the first fixed disc 23, then the rotary table 22 is held by hand, the first rotary block 24 is rotated, the fixed plate 25 is slidably connected with the first rotary block 24, the first thread block 27 is in threaded connection with the first fixed disc 23, the first rotary block 24 is rotated to drive the first thread block 27 to rotate, so that the first thread block 27 slides in the first fixed disc 23, the first slide block 28 is abutted against the abutting rod 29 to drive the first arc block 29a fixed on the abutting rod 29 to slide, so that the glass steel tube can be fixed through the plurality of first arc blocks 29a, the first arc blocks 29a are prevented from rotating through the plurality of first guide rods 29b, the second sliding block 29c is arranged on the abutting rod 29 to prevent the abutting rod 29 from sliding out of the first fixed disc 23, the first arc-shaped block 29a can be pulled back to the inside of the first fixed disc 23 when the first sliding block 28 does not abut against the abutting rod 29 through the elastic force of the spring 29d, then the supporting plate 33 can be adjusted up and down by rotating the screw rod 34, the grinding of the side surface of the glass steel tube can be stopped in time after the grinding is finished, the supporting plate 33 can be prevented from rotating through the second guide rod 32, the grinding disc 37 is arranged on the supporting plate 33 through the bottom plate 35 and the fixing ring 36, so that the grinding disc 37 can grind the side surface of the glass steel tube, the motor 42 which is fixed on the fixing frame 41 and electrically connected with an external power supply works to drive the rotating shaft 21 fixed at the output end of the motor 42 to rotate the glass steel tube to be ground, the first belt pulley 43 fixed on the rotating shaft 21 is driven to rotate by the rotation of the rotating shaft 21, the first belt pulley 43 drives the second belt pulley 45 to rotate by the transmission of the belt 46, so as to drive the reciprocating screw rod 44 connected with the base 1 to rotate, because the second screw block 47 installed on the sliding plate 31 is in threaded connection with the reciprocating screw rod 44, the reciprocating screw rod 44 rotates to drive the sliding plate 31 on the second screw block 47 to slide back and forth, the sliding plate 31 can slide better through the connecting plate 48, when the side end of the glass steel tube is polished, the third screw rod 73 slides forwards by rotating the third screw rod 73, the second rotating block 74 connected with the third screw rod 73 is driven to slide, so as to drive the polishing block 75 to slide, so as to polish the port of the glass steel tube through the polishing block 75, when the glass steel tube is polished, because the supporting frame 53 is respectively connected with the two under frames 51 by the two sliding sleeves 52 in a sliding manner, therefore, the supporting frame 53 can be pushed, the supporting frame 53 is provided with the supporting column 54, the supporting column 54 is provided with the first rotating rod 55 in a rotating mode, the first rotating rod 55 is fixed through the second rotating rod 56 and the second fixing disc 57, the glass fiber reinforced plastic pipe can be clamped through the second fixing disc 57, then the supporting frame 53 is prevented from sliding automatically by rotating the bolt on the sliding sleeve 52, after the glass fiber reinforced plastic pipe is clamped, the rotating handle 66 is rotated to drive the rotating sleeve 61 to rotate, therefore, the first screw rod 62 and the second screw rod 64 which are in threaded connection with the rotating sleeve 61 can be driven to slide, and the clamped glass fiber reinforced plastic pipe is fixed through the second arc-shaped block 63 and the third arc-shaped block 65.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The precision polishing device for the production and processing of the glass reinforced plastic pipe is characterized by comprising a base (1), wherein a rotating structure (2) is installed on the base (1), a polishing structure (3) is connected to the base (1) in a sliding manner, a transmission structure (4) is installed on the base (1), a sliding structure (5) is installed on the base (1), a fixed structure (6) is installed on the sliding structure (5), and a rotating structure (7) is installed on the base (1);

the rotating structure (2) comprises a rotating shaft (21), the base (1) is rotatably connected with the rotating shaft (21), the rotating shaft (21) is provided with a rotating disc (22), and the rotating disc (22) is provided with a first fixing disc (23);

the first fixing disc (23) is rotatably connected with a rotating block (24), the rotating block (24) is internally and slidably connected with a fixing plate (25), a connecting rod (26) is installed on the fixing plate (25), a first thread block (27) is installed on the connecting rod (26), a first sliding block (28) is installed on the first thread block (27), a plurality of touch rods (29) are internally and slidably connected with the first fixing disc (23), the touch rods (29) are abutted against the first sliding block (28), the first thread block (27) is in threaded connection with the first fixing disc (23), and a first arc-shaped block (29 a) is installed on the touch rods (29);

a first guide rod (29 b) is mounted on the first arc-shaped block (29 a), the first guide rod (29 b) is connected with the first fixed disk (23) in a sliding mode, a second sliding block (29 c) is mounted on the touch rod (29), the second sliding block (29 c) is connected with the first fixed disk (23) in a sliding mode, and a spring (29 d) is mounted between the second sliding block (29 c) and the first fixed disk (23);

the polishing structure (3) comprises a sliding plate (31), the base (1) is connected with the sliding plate (31) in a sliding mode, a second guide rod (32) is installed on the sliding plate (31), the second guide rod (32) is connected with a supporting plate (33) in a sliding mode, a screw rod (34) is installed on the sliding plate (31), the screw rod (34) is in threaded connection with the supporting plate (33), a bottom plate (35) is installed on the supporting plate (33), a fixing ring (36) is installed on the bottom plate (35), and a polishing sheet (37) is installed on the fixing ring (36);

the transmission structure (4) comprises a fixing frame (41), the fixing frame (41) is installed on the base (1), a motor (42) is installed on the fixing frame (41), the output end of the motor (42) is fixedly connected with the rotating shaft (21), a first belt pulley (43) is installed on the rotating shaft (21), a reciprocating screw rod (44) is rotationally connected to the base (1), a second belt pulley (45) is installed on the reciprocating screw rod (44), and the first belt pulley (43) transmits through a belt (46) and the second belt pulley (45);

the sliding plate (31) is provided with a second thread block (47), the second thread block (47) is in threaded connection with the reciprocating screw rod (44), the sliding plate (31) is provided with two connecting plates (48) in parallel and symmetrical relation, and the two connecting plates (48) are both in sliding connection with the reciprocating screw rod (44);

the sliding structure (5) comprises bottom frames (51), two bottom frames (51) are arranged on the base (1) in a parallel and symmetrical relationship, sliding sleeves (52) are connected to the two bottom frames (51) in a sliding manner, supporting frames (53) are fixedly connected to the two sliding sleeves (52), supporting columns (54) are arranged on the supporting frames (53), the supporting columns (54) are rotatably connected with first rotating rods (55), second rotating rods (56) are arranged on the first rotating rods (55), and second fixed disks (57) are arranged on the second rotating rods (56);

the fixing structure (6) comprises a rotating sleeve (61), the rotating sleeve (61) is rotationally connected in the second fixing disc (57), the rotating sleeve (61) is in threaded connection with a first screw rod (62), a second arc-shaped block (63) is rotationally connected to the first screw rod (62), a second screw rod (64) is in threaded connection with the rotating sleeve (61), a second arc-shaped block (65) is rotationally connected to the second screw rod (64), and a rotating handle (66) is mounted on the rotating sleeve (61);

rotating-structure (7) include fixing base (71), all install fixing base (71) on base (1) and support column (54), install connecting block (72) on fixing base (71), connecting block (72) threaded connection has third lead screw (73), it is connected with rotatory piece (74) to rotate on third lead screw (73), install on rotatory piece (74) and polish piece (75).