CN114473660B

CN114473660B - Plastic products internal surface processing equipment that polishes

Info

Publication number: CN114473660B
Application number: CN202210113093.3A
Authority: CN
Inventors: 赵海峰
Original assignee: Nantong Haifeng Household Products Co ltd
Current assignee: Nantong Haifeng Household Products Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-12-16
Anticipated expiration: 2042-01-29
Also published as: CN114473660A

Abstract

The invention discloses a plastic product inner surface polishing processing device which comprises a processing table, wherein two guide rails with convex cross sections are fixedly connected to the right side of the processing table, a plurality of moving mechanisms are arranged on the guide rails, each moving mechanism comprises a moving plate positioned above the two guide rails, the lower end of each moving plate is fixedly connected with two pairs of limiting sliding plates, the two pairs of limiting sliding plates are respectively connected with the two guide rails in a sliding manner, the processing table and the upper end of the moving plate positioned on the rightmost side are respectively and fixedly connected with a first vertical plate and a second vertical plate, corresponding positions of opposite sides of the first vertical plate and the second vertical plate are respectively and rotatably connected with a first rotating shaft and a second rotating shaft, and the opposite ends of the first rotating shaft and the second rotating shaft are respectively and fixedly connected with a first rotating disc and a second rotating disc. Has the advantages that: the inner wall of the plastic pipe is polished by polishing the steel wires, so that the polishing efficiency is improved, and the inner surface of the plastic pipe with any length and any inner diameter can be conveniently polished.

Description

Plastic products internal surface processing equipment that polishes

Technical Field

The invention relates to the technical field of plastic product polishing, in particular to a plastic product inner surface polishing device.

Background

Plastic tubing, PVC pipe are the most common plastic products in the life, and the plastic tubing needs to carry out the work of polishing to its internal and external surface in the process to improve the quality and the use value of plastic tubing, in the work of polishing of plastics in the past, the work of polishing of plastic tubing internal surface is comparatively difficult always, and the less internal diameter of pipeline can't send into grinding device, thereby the effect of polishing of plastic tubing internal surface is relatively poor.

The patent number CN201811023761.3 discloses a plastic product inner surface polishing processing device, which comprises a sliding support, a driver, a sliding connector, an adjustable inner wall polisher and a fixer, wherein the adjustable inner wall polisher comprises a polishing base, six moving tracks, a plurality of moving chutes, a driving shaft fixing seat, a circular through hole, a fastening bolt, a communication circular hole, a driving toothed shaft, six sliding bases, six connecting rods, six polishing stones and a fixing toothed sleeve, the six moving tracks are uniformly arranged at the right end of the polishing base, a plurality of moving chutes are arranged in each six moving track, and the communication circular hole is arranged at the center of the right end of the polishing base; the plastic product pipe polishing machine has the beneficial effects that the polishing diameter can be adjusted according to the diameter of a polished plastic product pipe, and the polishing depth can be adjusted while polishing.

Although the diameter of polishing can be adjusted according to the size of the diameter of the plastic product pipeline of polishing to above-mentioned patent, can polish the degree of depth of adjusting simultaneously in the limit, nevertheless unable effectual plastic tubing internal surface to arbitrary length polishes, can't carry out the internal surface work of polishing of longer plastic tubing.

In order to solve the problems, a polishing device for the inner surface of the plastic product is provided.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a plastic product inner surface polishing processing device.

In order to achieve the purpose, the invention adopts the following technical scheme: a polishing processing device for the inner surface of a plastic product comprises a processing table, wherein two guide rails with convex cross sections are fixedly connected to the right side of the processing table, a plurality of moving mechanisms are arranged on the guide rails, each moving mechanism comprises a moving plate positioned above the two guide rails, the lower end of each moving plate is fixedly connected with two pairs of limiting sliding plates, the two pairs of limiting sliding plates are respectively in sliding connection with the two guide rails, a first vertical plate and a second vertical plate are respectively and fixedly connected to the upper ends of the moving plates positioned on the rightmost side of the processing table, corresponding positions of one opposite sides of the first vertical plate and the second vertical plate are respectively and rotatably connected with a first rotating shaft and a second rotating shaft, one opposite ends of the first rotating shaft and the second rotating shaft are respectively and fixedly connected with a first rotating disc and a second rotating disc, end plates are respectively and fixedly connected to the right ends of the two guide rails and the left side of the processing table, one opposite side of the two end plates is jointly and rotatably connected with a transmission rod, a first motor for driving a transmission rod to rotate is fixedly installed on one of the end plates, belt pulley is sleeved on the transmission rod and is arranged at corresponding positions of the first rotating shaft and the second rotating shaft;

the opposite sides of the first rotating disc and the second rotating disc are respectively provided with four moving grooves which are distributed in a rectangular shape, the first rotating disc and the second rotating disc are respectively provided with an inner diameter adjusting device, each inner diameter adjusting device comprises a moving block which is connected in each moving groove in a sliding mode, a threaded rod which penetrates through the corresponding moving block is connected in each moving groove in a rotating mode, the threaded rods are in threaded connection with the corresponding moving blocks, driving cavities are formed in the center positions of the inner portions of the first rotating disc and the second rotating disc, four bevel gears which are meshed in sequence in the circumferential direction are arranged in the driving cavities, the axle center positions of the four bevel gears are respectively fixedly connected with the corresponding threaded rods, second motors are fixedly installed on the first rotating disc and the second rotating disc, and the output ends of the second motors are coaxially and fixedly connected with one threaded rod in the corresponding inner diameter adjusting mechanism;

the novel wire winding machine is characterized in that a mounting disc is fixedly connected to the first rotating shaft in a fixed mode, four wire winding wheels are fixedly connected to one side, close to the first rotating disc, of the mounting disc in a circumferential direction, a third motor for driving the wire winding wheels to rotate is fixedly mounted on one side of each wire winding wheel, a grinding steel wire is wound on each wire winding wheel, wire holes are transversely formed in each moving block located on the first rotating disc, a wire drawing disc is arranged on the right side of the first rotating disc, four block grooves which are distributed in a rectangular mode and are open in the left side are formed in the outer peripheral face of the wire drawing disc, a connecting block is arranged in each block groove, a vertical groove is formed in the inner wall of each block groove, a vertical rod is inserted into each vertical groove, one end of each vertical rod is fixedly connected with the corresponding connecting block, sliding openings are formed in the left side of the first rotating disc and in the corresponding positions of the moving grooves, one end, far away from the wire winding wheels, of each grinding steel wire penetrates through the corresponding sliding opening and is fixedly connected with the corresponding connecting block, bolt holes are formed in one end, and one end, of each connecting block, and connecting bolts are arranged at the left end of each moving block located on the second rotating disc.

In the above polishing and processing equipment for the inner surface of the plastic product, two pulleys are rotatably connected in each pair of limiting sliding plates, and the pulleys are in rolling contact with the corresponding guide rails.

In the polishing processing equipment for the inner surface of the plastic product, pin holes are uniformly formed in one side, away from each other, of the two guide rails, and bolts are inserted into corresponding positions of the pin holes on the limiting sliding plate close to the side, away from each other, of the guide rails.

In the above polishing processing equipment for the inner surface of the plastic product, a slide bar is fixedly connected to the transmission rod, the belt wheel positioned at the rightmost end is sleeved on the transmission rod and the slide bar in a sliding manner, annular grooves are formed in two sides of the belt wheel positioned at the rightmost end, right-angle rods are connected in the annular grooves in a sliding manner, and one ends, far away from the annular grooves, of the right-angle rods are fixedly connected with the movable plate corresponding to the upper part.

In the above polishing processing equipment for the inner surface of the plastic product, the moving blocks located on the first rotating disc are fixedly provided with cylinders at the ends located outside the moving grooves and close to the axis positions of the first rotating disc, the telescopic ends of the cylinders extend into the corresponding wire holes and are fixedly connected with wire fixing blocks, and wire fixing grooves are formed in the corresponding positions of the wire fixing blocks on the inner wall of one side, far away from the cylinders, of the wire holes.

In the above polishing and processing equipment for the inner surface of the plastic product, the circle centers of the left side and the right side of the wire drawing disc are respectively provided with a first magnetic block, the circle centers of the opposite sides of the first rotating disc and the second rotating disc are respectively provided with a second magnetic block attracted with the first magnetic block, and the right side of the wire drawing disc is fixedly connected with the wire drawing block.

In foretell plastic products internal surface processing equipment of polishing, all be equipped with fixture on each movable plate between processing platform and the second riser, fixture includes two electric telescopic handle of fixed connection in the movable plate upper end, is located two on the same movable plate electric telescopic handle's the common fixedly connected with of flexible end places the board, place the board upper end and vertically seted up the sliding tray, sliding tray sliding connection has the grip block that two front and back symmetries set up, it is connected with two-way threaded rod to rotate jointly between the inner wall around the sliding tray, two-way threaded rod runs through two grip blocks that correspond and threaded connection with it, each place the board front end all be equipped with the turning block that corresponds two-way threaded rod front end fixed connection.

Compared with the prior art, the plastic product inner surface polishing processing equipment has the advantages that:

1. when the plastic pipe is polished, the telescopic long rod penetrates through the plastic pipe from the right end of the plastic pipe, the pull block is pulled by the telescopic long rod, the wire pulling plate is pulled from the left side to the right side of the plastic pipe, the polishing steel wires penetrate through the plastic pipe, each moving block on the second rotating disc is connected with each connecting block through a connecting bolt, and then each air cylinder works to enable each wire fixing block to fix each corresponding polishing steel wire and keep the polishing steel wire in a tightened state, so that two second motors are controlled to work simultaneously according to the inner diameter of the plastic pipe to be polished, and each polishing steel wire can move away from each other under the action of the two inner diameter adjusting mechanisms until the polishing steel wire is attached to the inner wall of the plastic pipe to be polished, so that the polishing work of different plastic pipes with different inner diameters is facilitated; accomplish the regulation work after, only need start first motor, first motor drive transfer line rotates, the transfer line drives first pivot of belt drive and second pivot under the driven effect and rotates with the rotational speed is synchronous, then each steel wire of polishing can laminate the plastic pipe inner wall and rotate at a high speed, utilize the high-speed friction of steel wire and plastic tubing inner wall of polishing, in order to reach the effective polishing to its inner surface, use the steel wire of polishing to carry out polishing of plastic pipe inner wall, and is simple and convenient, and efficiency of polishing is compared in the wheel of polishing higher, as the consumptive product, the steel wire of polishing is compared in the wheel cost of polishing lower.

2. Through setting up guide rail, moving mechanism and fixture, can carry out the internal surface work of polishing of arbitrary length plastic tubing, and can carry out stable centre gripping to the plastic tubing of different diameters size and fix to make it remove to taking the position of polishing, improve the work flexibility of the equipment of polishing.

Drawings

FIG. 1 is a perspective view of a plastic article inner surface polishing apparatus according to the present invention;

fig. 2 is a partial structural sectional view of the plastic product inner surface polishing device provided by the invention;

FIG. 3 is a partial perspective view of the front side of the rightmost movable plate in the apparatus for polishing and processing the inner surface of a plastic product according to the present invention;

FIG. 4 is a front perspective view of a first rotary disk of the apparatus for polishing and processing the inner surface of a plastic product according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;

FIG. 6 is a perspective view of a clamping mechanism in the plastic product inner surface polishing device according to the present invention;

FIG. 7 is a perspective view of an extension plate in the plastic product inner surface polishing device according to the present invention;

fig. 8 is a schematic structural diagram of a front surface of a second rotating disc in the plastic product inner surface polishing processing device provided by the invention.

In the figure: 1 processing table, 2 guide rails, 3 limiting sliding plates, 4 moving plates, 5 pin holes, 6 bolts, 7 first vertical plates, 8 first rotating shafts, 9 first rotating discs, 10 second vertical plates, 11 second rotating shafts, 12 second rotating discs, 13 end plates, 14 transmission rods, 15 first motors, 16 sliding strips, 17 annular grooves, 18 right-angle rods, 19 moving grooves, 20 moving blocks, 21 threaded rods, 22 second motors, 23 mounting discs, 24 winding wheels, 25 third motors, 26 grinding steel wires, 27 line holes, 28 wire drawing discs, 29 grooves, 30 connecting blocks, 31 vertical rods, 32 air cylinders, 33 line fixing blocks, 34 line fixing grooves, 35 connecting bolts, 36 pulling blocks, 37 clamping mechanisms, 38 electric telescopic rods, 39 placing plates, 40 sliding grooves, 41 clamping plates and 42 bidirectional threaded rods.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-8, a plastic product inner surface polishing processing device comprises a processing table 1, two guide rails 2 with convex cross sections are fixedly connected to the right side of the processing table 1, a plurality of moving mechanisms are arranged on the guide rails 2, each moving mechanism comprises a moving plate 4 located above the two guide rails 2, the lower end of each moving plate 4 is fixedly connected with two pairs of limiting sliding plates 3, the two pairs of limiting sliding plates 3 are respectively in sliding connection with the two guide rails 2, two pulleys are rotatably connected in each pair of limiting sliding plates 3 and are in rolling contact with the corresponding guide rails 2, so that the moving plates 4 can move stably above the guide rails 2, pin holes 5 are uniformly formed in one sides, away from the two guide rails 2, pins 6 are inserted into the corresponding positions of the pin holes on the limiting sliding plates 3 close to the sides, away from the guide rails 2, and pins 6 are inserted into the corresponding pin holes 5 to perform positioning work of the moving mechanisms, and therefore the moving plates 4 can be conveniently moved to any position to perform positioning work.

And each moving plate 4 between the processing table 1 and the second vertical plate 10 is provided with a clamping mechanism 37, and the clamping mechanism 37 is used for clamping and fixing the plastic pipe to be polished. The clamping mechanism 37 comprises two electric telescopic rods 38 fixedly connected to the upper end of the moving plate 4, a placing plate 39 is fixedly connected to the telescopic ends of the two electric telescopic rods 38 on the same moving plate 4, a sliding groove 40 is longitudinally formed in the upper end of the placing plate 39, two clamping plates 41 symmetrically arranged front and back are connected to the sliding groove 40 in a sliding mode, a bidirectional threaded rod 42 is connected between the front inner wall and the rear inner wall of the sliding groove 40 in a rotating mode, the bidirectional threaded rod 42 penetrates through the two corresponding clamping plates 41 and is in threaded connection with the two corresponding clamping plates, a rotating block fixedly connected with the front end of each placing plate 39 is arranged at the front end of each corresponding bidirectional threaded rod 42, the length of the plastic pipe to be polished is determined, the position of each clamping mechanism 37 is adjusted through a moving mechanism, the plastic pipe is uniformly distributed below the plastic pipe, each bidirectional threaded rod 42 is rotated through the rotating block, the two clamping plates 41 opposite front and back are moved relatively, the plastic pipe on the placing plate 39 is clamped, then each electric telescopic rod 38 is extended simultaneously, the clamping mechanism 31 is driven to move, and the polished plastic pipe with the polished position is moved to the polishing position (the polishing position, namely, the plastic pipe is concentrically arranged with the first rotating plate 9 and the second rotating plate 12).

Processing platform 1 and the movable plate 4 upper end that is located the rightmost side do not fixedly connected with riser 7 and second riser 10, the relative one side of riser 7 and second riser 10 corresponds the position and rotates respectively and is connected with first pivot 8 and second pivot 11, the relative one end of first pivot 8 and second pivot 11 is fixedly connected with first carousel 9 and second carousel 12 respectively, the equal fixedly connected with end plate 13 in two guide rail 2 right-hand members and 1 left side position of processing platform, two end plate 13 rotate jointly and are connected with transfer line 14, fixed mounting has the first motor 15 that drives transfer line 14 pivoted on one of them end plate 13, all overlap on transfer line 14 and in the corresponding position of first pivot 8 and second pivot 11 and be equipped with the band pulley, transfer line 14 takes the transmission with first pivot 8 and second pivot 11 respectively through the band pulley and is connected, first motor 15 drives transfer line 14 and rotates, and can drive first carousel 9 and second carousel 12 under the belt transmission effect and rotate with the rotational speed in step. The transmission rod 14 is fixedly connected with a sliding strip 16, the sliding strip 16 is used for transmitting torque, the belt wheel located at the rightmost end is sleeved on the transmission rod 14 and the sliding strip 16 in a sliding mode, the belt wheel can rotate along with the transmission rod 14 while sliding along the transmission rod 14, annular grooves 17 are formed in two sides of the belt wheel located at the rightmost end, right-angle rods 18 are connected in the two annular grooves 17 in a sliding mode, one ends, far away from the annular grooves 17, of the two right-angle rods 18 are fixedly connected with the moving plate 4 corresponding to the upper portion, and the arrangement of the annular grooves 17 and the right-angle rods 18 enables the belt wheel to move along with the movement of the moving plate 4 at the rightmost end without affecting the transmission effect of the transmission effect.

Four moving grooves 19 which are distributed in a rectangular shape are formed in one opposite side of the first rotating disc 9 and one opposite side of the second rotating disc 12, inner diameter adjusting devices are arranged on the first rotating disc 9 and the second rotating disc 12 and comprise moving blocks 20 which are connected in the moving grooves 19 in a sliding mode, threaded rods 21 which penetrate through the corresponding moving blocks 20 are connected in each moving groove 19 in a rotating mode, the threaded rods 21 are in threaded connection with the corresponding moving blocks 20, driving cavities are formed in the central positions inside the first rotating disc 9 and the second rotating disc 12, four bevel gears which are meshed in sequence in the circumferential direction are arranged in the driving cavities, the axial positions of the four bevel gears are fixedly connected with the corresponding threaded rods 21 respectively, second motors 22 are fixedly mounted on the first rotating disc 9 and the second rotating disc 12, the output ends of the second motors 22 are fixedly connected with one threaded rod 21 in the corresponding inner diameter adjusting mechanisms in a coaxial mode, when one threaded rod 21 is driven to rotate by the second motor 22, the four threaded rods 21 can be driven to rotate at the same rotating speed under the transmission effect of four bevel gears which are meshed in sequence in the circumferential direction, and therefore the four corresponding moving blocks 20 are far away from each other or close to the polishing movement effect of polishing inner diameter adjusting steel wires 26.

A mounting disc 23 is fixedly connected to the first rotating shaft 8 in a fixed mode, four winding wheels 24 are fixedly connected to one side of the mounting disc 23 close to the first rotating disc 9 in the circumferential direction, a third motor 25 for driving the winding wheels 24 to rotate is fixedly mounted on one side of each winding wheel 24, polishing steel wires 26 are wound on each winding wheel 24, the third motor 25 plays a role in automatically winding and releasing the polishing steel wires 26, wire holes 27 are transversely formed in each moving block 20 located on the first rotating disc 9, a wire drawing disc 28 is arranged on the right side of the first rotating disc 9, four block grooves 29 which are distributed in a rectangular mode and are open on the left side are formed in the outer peripheral face of the wire drawing disc 28, connecting blocks 30 are arranged in each block groove 29, vertical grooves are formed in the inner wall of each block groove 29, vertical rods 31 are arranged in the vertical grooves, one end of each vertical rod 31 is fixedly connected with the corresponding connecting blocks 30, the connecting blocks 30 can move out of the corresponding block grooves 29 under the limiting effect of each vertical rod 31, sliding notches are formed in the left side of the first rotating disc 9 and corresponding positions of each moving groove 19, one end, a sliding notch and one end, of each polishing steel wire 26, a sliding block which is far away from the corresponding sliding wheel 24, a corresponding sliding block hole and a corresponding connecting block hole are formed in the corresponding connecting block 30, and a corresponding connecting bolt hole, and a corresponding connecting block 30, and a bolt hole are formed in each connecting block 30, and a corresponding connecting block connecting hole for connecting bolt hole for connecting block 20, and a bolt hole for connecting the connecting block 20, and a bolt hole for connecting block 12 for connecting the connecting block 20, and a bolt hole for connecting block 20, and a connecting block 12 for connecting block. Each of the grinding wires 26 can be pulled to move to the right for elongation by the wire pulling disk 28 (in the process, the third motor 25 is matched with the driving winding wheel 24 to release the grinding wires 26).

Each moving block 20 located on first rotary disk 9 is located the outer one end of moving groove 19 and is close to the equal fixed mounting in axle center position of first rotary disk 9 has cylinder 32, the flexible end of cylinder 32 extends to correspond in the line hole 27 and fixedly connected with solidus piece 33, on one side inner wall that line hole 27 kept away from cylinder 32 and at the corresponding position of solidus piece 33 seted up solidus groove 34, solidus piece 33 removes through cylinder 32 drive, can push into fixed wire groove 34 with steel wire 26 of polishing, thereby fix the length of steel wire 26 of polishing, make it keep the state of tightening.

Circle center positions of the left side and the right side of the wire drawing disc 28 are provided with first magnetic blocks, circle center positions of the opposite sides of the first rotating disc 9 and the second rotating disc 12 are provided with second magnetic blocks attracted with the first magnetic blocks, the first magnetic blocks and the second magnetic blocks are arranged to facilitate fixing of the position of the wire drawing disc 28, and the right side of the wire drawing disc 28 is fixedly connected with a drawing block 36.

After the plastic pipe to be polished is moved to the polishing position through the clamping mechanism, only a telescopic long rod is needed to penetrate through the plastic pipe from the right end of the plastic pipe to pull the pull block 36, the pull plate 28 is pulled to the right side from the left side of the plastic pipe, the polishing steel wires 26 penetrate through the plastic pipe, each moving block 20 on the second rotating disc 12 is connected with each connecting block 30 through a connecting bolt 35, each air cylinder 32 works to enable each wire fixing block 33 to fix each corresponding polishing steel wire 26 and keep the polishing steel wires in a tight state, therefore, only the two second motors 22 need to work simultaneously according to the inner diameter of the plastic pipe to be polished, each polishing steel wire can move away under the action of the two inner diameter adjusting mechanisms until the polishing steel wire is attached to the inner wall of the plastic pipe to be polished, after the adjustment work is completed, the first motor 15 is needed to drive the first rotating shaft 8 and the second rotating shaft 11 to rotate synchronously under the action of the driving rod 14, and then each polishing steel wire 26 can rotate at a high speed to be attached to the inner wall of the plastic pipe to achieve effective polishing of the inner surface of the plastic pipe.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a plastic products internal surface processing equipment of polishing, includes processing platform (1), its characterized in that, two guide rail (2) that the cross-section becomes the type of protruding font are connected to processing platform (1) right side fixed connection, be equipped with a plurality of moving mechanism on guide rail (2), moving mechanism is including being located movable plate (4) of two guide rail (2) tops, each the equal fixed connection two pairs of spacing slide (3) of movable plate (4) lower extreme, two pairs spacing slide (3) respectively with two guide rail (2) sliding connection, processing platform (1) and the movable plate (4) upper end that is located the right side respectively fixedly connected with riser (7) and second riser (10), the relative one side corresponding position of riser (7) and second riser (10) rotates respectively and is connected with first pivot (8) and second pivot (11), the relative one end of first pivot (8) and second pivot (11) respectively fixedly connected with first rotating disk (9) and second rotating disk (12), two the right-hand member of guide rail (2) and the processing platform (1) left side position all fixedly connected with first rotating disk (13), wherein two end plate (13) rotate drive rod (13) and one side drive end plate (13) and one side is connected with first end plate (13) and is installed jointly and is rotated and is connected with one end plate (13), belt wheels are sleeved on the transmission rod (14) at the corresponding positions of the first rotating shaft (8) and the second rotating shaft (11), and the transmission rod (14) is in belt transmission connection with the first rotating shaft (8) and the second rotating shaft (11) through the belt wheels;

the opposite sides of the first rotating disc (9) and the second rotating disc (12) are respectively provided with four moving grooves (19) which are distributed in a rectangular shape, inner diameter adjusting devices are respectively arranged on the first rotating disc (9) and the second rotating disc (12), each inner diameter adjusting device comprises a moving block (20) which is connected in each moving groove (19) in a sliding mode, a threaded rod (21) which penetrates through the corresponding moving block (20) is connected in each moving groove (19) in a rotating mode, the threaded rods (21) are in threaded connection with the corresponding moving blocks (20), driving cavities are respectively formed in the center positions of the inner portions of the first rotating disc (9) and the second rotating disc (12), four bevel gears which are sequentially meshed in the circumferential direction are arranged in the driving cavities, the axis positions of the four bevel gears are respectively and fixedly connected with the corresponding threaded rods (21), second motors (22) are fixedly arranged on the first rotating disc (9) and the second rotating disc (12), and the output ends of the second motors (22) are coaxially and fixedly connected with one threaded rod (21) in the corresponding inner diameter adjusting mechanism;

the fixed cover of fixed cover has been connected with mounting disc (23) on first pivot (8), one side circumference fixedly connected with four kinking wheel (24) that mounting disc (23) is close to first rotation disc (9), each kinking wheel (24) one side all fixed mounting has drive kinking wheel (24) pivoted third motor (25), all twine on each kinking wheel (24) and have polished steel wire (26), all transversely seted up line hole (27) on each movable block (20) that are located on first rotation disc (9), first rotation disc (9) right side is equipped with anchor plate (28), all set up four on anchor plate (28) outer peripheral face and be rectangle distribution and left side for open-ended block groove (29), each block groove (29) all is equipped with line piece (30), each block groove (29) inner wall has all seted up perpendicular groove, perpendicular inslot interpolation is equipped with montant (31), montant (31) one end and corresponding line piece (30) fixed connection, first rotation disc (9) left side and the corresponding removal groove (19) the corresponding has all seted up the spout and the bolt hole (30) one end of each movable block (20) is located and each fixed connection line piece (30) and each movable block (12) is kept away from the connection line piece (30), each anchor plate (30) is kept away from the connection line hole (20), each movable block (30) that the connection of polishing wire hole (30) is located the connection of each movable block (20), each movable block (30) is connected A plug (35).

2. A plastic product inner surface grinding processing device according to claim 1, characterized in that two pulleys are rotatably connected in each pair of limiting sliding plates (3), and the pulleys are in rolling contact with the corresponding guide rails (2).

3. The plastic product inner surface grinding processing equipment according to claim 1, wherein pin holes (5) are uniformly formed in the far sides of the two guide rails (2), and bolts (6) are inserted in the corresponding positions of the pin holes on the limiting sliding plates (3) close to the far sides of the guide rails (2).

4. The plastic product inner surface polishing processing equipment as claimed in claim 1, wherein a slide bar (16) is fixedly connected to the transmission rod (14), the belt pulley at the rightmost end is slidably sleeved on the transmission rod (14) and the slide bar (16), annular grooves (17) are formed in two sides of the belt pulley at the rightmost end, right-angle rods (18) are slidably connected in the two annular grooves (17), and one ends, far away from the annular grooves (17), of the two right-angle rods (18) are fixedly connected with the corresponding moving plate (4) above.

5. The plastic product inner surface grinding processing equipment as claimed in claim 1, wherein each moving block (20) on the first rotating disc (9) is fixedly provided with a cylinder (32) at one end outside the moving groove (19) and close to the axis of the first rotating disc (9), the telescopic end of the cylinder (32) extends into the corresponding wire hole (27) and is fixedly connected with a wire fixing block (33), and the wire hole (27) is far away from the inner wall of one side of the cylinder (32) and is provided with a wire fixing groove (34) at the corresponding position of the wire fixing block (33).

6. The plastic product inner surface polishing processing equipment as claimed in claim 1, wherein first magnetic blocks are arranged at the circle center positions of the left side and the right side of the wire drawing disc (28), second magnetic blocks attracted with the first magnetic blocks are arranged at the circle center positions of the opposite sides of the first rotating disc (9) and the second rotating disc (12), and the wire drawing disc (28) is fixedly connected with the pulling blocks (36) at the right side.

7. The plastic product inner surface polishing processing equipment according to claim 1, wherein each moving plate (4) between the processing table (1) and the second vertical plate (10) is provided with a clamping mechanism (37), each clamping mechanism (37) comprises two electric telescopic rods (38) fixedly connected to the upper end of the moving plate (4), the telescopic ends of the two electric telescopic rods (38) on the same moving plate (4) are fixedly connected with a placing plate (39) together, the upper end of the placing plate (39) is longitudinally provided with a sliding groove (40), the sliding groove (40) is internally and slidably connected with two clamping plates (41) symmetrically arranged front and back, the sliding groove (40) is rotatably connected with a bidirectional threaded rod (42) between the front inner wall and the rear wall together, the bidirectional threaded rod (42) penetrates through and is in threaded connection with the two corresponding clamping plates (41), and the front end of each placing plate (39) is provided with a rotating block fixedly connected with the front end of the corresponding bidirectional threaded rod (42).