CN115401570A - Grinding device is used in plastic products processing - Google Patents

Abstract

The invention is suitable for the technical field of plastic products, and provides a polishing device for processing plastic products, which comprises an underframe, wherein two support columns are arranged at the top of the underframe, a moving assembly is arranged between the two support columns, a processing mechanism is arranged at the bottom of the moving assembly, and a clamping mechanism is arranged below the processing mechanism; if carry out the centre gripping to plastic products, at first the lead screw rotates in the casing, the screw drives the slider and slides on guide rail two this moment, thereby make two holders remove towards plastic products, until the vacuum chuck in the messenger holder contacts with plastic products's outer wall, open vacuum generator this moment, make vacuum generator take out the air between vacuum chuck and the plastic products, thereby fix plastic products on the holder, the centre gripping mode of this device, not only can polish plastic products's both ends, can also avoid exerting oneself too big because of two splint, and lead to plastic products to take place deformation when the centre gripping, influence its effect of polishing.

Description

Grinding device is used in plastic products processing

Technical Field

The invention belongs to the technical field of plastic products, and particularly relates to a polishing device for plastic product processing.

Background

Plastic article production typically involves the compounding, shaping, machining, joining, finishing, and assembling of plastic. The latter four steps are carried out after the plastic has been shaped into a product or a semi-product, also known as plastic secondary processing. The plastic product, synthetic rubber and synthetic fiber form three indispensable synthetic materials in daily life. Specifically, the plastic is a material which is prepared by using natural or synthetic resin as a main component, adding various additives, and molding into a certain shape under the conditions of a certain temperature, a certain pressure and the like, wherein the shape is kept unchanged at normal temperature.

The patent of the utility model CN212420760U discloses a fast polishing device for plastic products, which comprises a support plate, a rotating mechanism is installed at the inner side below the support plate; the rotating mechanism comprises a clamping plate, a rubber pad, a threaded pipe, a handle, a clamping groove, a clamping rod, a rubber ring and a transverse block; above-mentioned patent passes through backup pad, splint, rubber pad, screwed pipe, handle, draw-in groove, kelly, rubber circle and the cooperation between the horizontal bar to plastic products turn-over back fixed position on the splint can be polished fast to plastic products's positive and negative, improves the speed of polishing.

However, the above patents have the following disadvantages:

1. above-mentioned patent is through the removal of two U-shaped splint on the horizontal direction to carry out the centre gripping to plastic products, this kind of centre gripping mode though can carry out the centre gripping to plastic products fixed, can't polish plastic products's both ends, if moreover two splint exert oneself when too big, its plastic products still can take place deformation, influence its effect of polishing.

2. Although the above patent can polish plastic products, when polishing plastic products, can produce the dust around it, if these dusts are not collected in time, it not only can pollute the surrounding environment, still can cause harm to staff's respiratory.

Disclosure of Invention

The invention provides a polishing device for processing a plastic product, and aims to solve the problems that the two ends of the plastic product are polished by the conventional polishing device method, and dust generated during polishing cannot be collected in time by the conventional polishing device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a polishing device for processing plastic products comprises an underframe, wherein two support columns are mounted at the top of the underframe, a moving assembly is arranged between the two support columns, a processing mechanism is mounted at the bottom of the moving assembly, a clamping mechanism is arranged below the processing mechanism, and the clamping mechanism is fixedly connected with the underframe; the machining mechanism comprises a grinding piece, a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is used for adjusting the transverse angle of the grinding piece, the second adjusting assembly is used for adjusting the vertical position of the grinding piece, the grinding piece is positioned on the first adjusting assembly, the first adjusting assembly is positioned on the second adjusting assembly, and the second adjusting assembly is positioned at the bottom of the moving assembly; the clamping mechanism comprises two clamping pieces and a third adjusting assembly used for adjusting the transverse positions of the two clamping pieces, the two clamping pieces are located on the third adjusting assembly, and the third adjusting assembly is located at the top of the bottom frame.

Preferably, the moving assembly comprises a first motor, the first motor is positioned on the side wall of the support and fixedly connected with the support, a screw is mounted on an output shaft of the first motor, the screw is positioned between the two supports, and two ends of the screw are respectively rotatably connected with the two supports; a nut is screwed on the outer wall of the screw rod, a first guide rail is arranged below the screw rod, and the first guide rail penetrates through the nut and is fixedly connected with the strut; through setting up motor one in this scheme, when motor one during operation, the output shaft of motor one drives the screw rod and rotates, and the nut slides on guide rail one this moment to adjust the position of processing agency on the horizontal direction.

Preferably, the second adjusting assembly comprises a hydraulic cylinder which is positioned at the bottom of the nut and is fixedly connected with the nut; a connecting plate is mounted on an output shaft of the hydraulic cylinder, and a dust collection assembly is arranged on the connecting plate; through setting up the pneumatic cylinder in this scheme, when the pneumatic cylinder during operation, the output shaft of pneumatic cylinder drives the connecting plate and moves on vertical direction to adjust the height of dust absorption subassembly and piece of polishing.

Preferably, the first adjusting component comprises a second motor, the second motor is located at the bottom of the connecting plate and is fixedly connected with the connecting plate, and an output shaft of the second motor is fixedly connected with the polishing piece; reinforcing blocks are arranged on two sides of the second motor, and each reinforcing block is connected with the second motor; through setting up motor two in this scheme, this second during operation of motor, the output shaft of motor two drives the piece rotation of polishing, and the use of cooperation removal subassembly can be polished plastic products's surface.

Preferably, the third adjusting assembly comprises a housing, the top of the housing is provided with an opening, a partition plate is vertically arranged inside the housing, and the partition plate is fixedly connected with the housing; the inside of casing still is provided with two sets of drive arrangement, two sets of drive arrangement along baffle symmetric distribution, two sets of drive arrangement is connected with two respectively the holder.

Preferably, the driving device comprises a screw rod, the screw rod is positioned on the side wall of the partition plate and is rotationally connected with the partition plate, and a nut is screwed on the outer wall of the screw rod; a sliding block is arranged on the side wall of the screw nut, the sliding block is connected with the shell in a sliding mode through a second guide rail, and the sliding block is connected with the clamping piece; through setting up lead screw and screw in this scheme, when the lead screw rotated, the screw drove the slider and slides on guide rail two to adjust the position of holder on the horizontal direction.

Preferably, the top of the sliding block is provided with an upright post, one side of the upright post is provided with a motor III, and the clamping piece is positioned on the other side of the upright post; the motor III is fixedly connected with the upright post, and an output shaft of the motor III is fixedly connected with the clamping piece; through setting up motor three in this scheme, the setting of this motor three can drive the holder and rotate, when two holders were with the plastic products centre gripping, can cooperate two motor three, realized the turn-over to plastic products to polish to another face of plastic products.

Preferably, the clamping piece comprises a shell, the shell is positioned on one side, far away from the motor III, of the upright column, and the shell is fixedly connected with an output shaft of the motor III; a plurality of vacuum generators are arranged in the shell, and each vacuum generator is fixedly connected with the shell; a vacuum sucker corresponding to the vacuum generator is embedded in the side wall of the shell, and the vacuum generator is communicated with the vacuum sucker; through setting up vacuum generator and vacuum chuck in this scheme, when drive arrangement drove the vacuum chuck in the splint and contact with plastic products, open vacuum generator, make vacuum generator take out the air between vacuum chuck and the plastic products, thereby fix plastic products on adjusting part three, avoid plastic products to take place to remove in the processing, the centre gripping mode of this device, for directly through splint centre gripping, can avoid the dynamics of centre gripping too big, and lead to plastic products to take place deformation, influence its effect of polishing.

Preferably, the dust collection assembly comprises a dust collection box, and the dust collection box is positioned at the top of the connecting plate and is fixedly connected with the connecting plate; fans are arranged on two sides of the dust removal box, an air inlet of each fan is communicated with an air inlet pipe, an air outlet of each fan is communicated with an air outlet pipe, and the air outlet pipes are located inside the dust removal box; through setting up the fan in this scheme, when the fan during operation, the dust when the fan will polish through the air-supply line inhales, then sends to the dust removal case through the play tuber pipe, and the tension of water can adsorb the dust this moment.

Preferably, a water tank is installed at the top of the dust removal box, a connecting pipe is horizontally arranged in the dust removal box, and the water tank is communicated with the connecting pipe through a pressure pump; the bottom of the connecting pipe is communicated with a plurality of spray heads, the top of the dust removal box is provided with an air outlet, and the side wall of the dust removal box is communicated with a liquid outlet pipe; in the scheme, the pressurizing pump is arranged, and the dust-containing air is introduced into the water for filtering through the pipeline, so that the device has certain limitation and cannot filter the dust in the air completely, and a connecting pipe and a spray head are added to increase the contact area with the air; when the pressure pump works, the liquid in the water tank is sucked out by the pressure pump, sent to the connecting pipe and finally sprayed out from the spray head, and when dust-containing air passes through the mist space, the dust particles fall down along with the liquid drops due to collision, interception and condensation between the dust particles and the liquid drops.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up fixture, if need carry out the centre gripping to plastic products, at first the lead screw rotates in the casing, the screw drives the slider and slides on guide rail two this moment, thereby make two holders remove towards plastic products, until the outer wall that makes vacuum chuck in the holder and plastic products contacts, open vacuum generator this moment, make vacuum generator take out the air between vacuum chuck and the plastic products, thereby fix plastic products on the holder, the centre gripping mode of this device, not only can polish plastic products's both ends, can also avoid exerting oneself too big because of two splint, and lead to plastic products to take place deformation when the centre gripping, influence its effect of polishing.

2. By arranging the dust collection assembly, when the plastic product is polished, the fan is started to suck dust generated during polishing through the air inlet pipe and then is conveyed into the dust removal box through the air outlet pipe, and at the moment, the tension of water adsorbs a part of dust in the air, so that primary filtration of dust-containing gas is realized; the dirty air that is next another part moves from bottom to top, opens the force (forcing) pump this moment, makes the liquid suction of force (forcing) pump in with the water tank to in sending to the connecting pipe, at last from the shower nozzle blowout, thereby carry out secondary filter to dirty gas, the dust that produces when this device not only can collect and polish can also filter the dust that produces of polishing, the phenomenon that the dust rose appears when preventing that the staff from falling dirt again.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the present invention as a whole;

FIG. 2 is an enlarged view of the structure at A on the nut of FIG. 1;

FIG. 3 is a cross-sectional view of a third adjustment assembly of the present invention;

FIG. 4 is a cross-sectional view of a clamp of the present invention;

FIG. 5 is a cross-sectional view of a dust removal box of the present invention;

in the figure:

1. a chassis; 2. a pillar; 3. a moving assembly; 4. a processing mechanism; 5. a clamping mechanism;

31. a first motor; 32. a screw; 33. a nut; 34. a first guide rail;

41. polishing the workpiece; 42. a first adjusting component; 43. a second adjusting component;

51. a clamping member; 52. a third adjusting component;

421. a second motor; 422. a reinforcing block;

431. a hydraulic cylinder; 432. a connecting plate; 433. a dust collection assembly; 434. a liquid outlet pipe;

511. a housing; 512. a vacuum generator; 513. a vacuum chuck;

521. a housing; 522. a partition plate; 523. a drive device; 524. an opening; 525. a motor IV; 526. a driving wheel; 527. a driven wheel; 528. a belt;

4331. a dust removal box; 4332. a fan; 4333. an air inlet pipe; 4334. an air outlet pipe; 4335. a water tank; 4336. a connecting pipe; 4337. a pressure pump; 4338. a spray head; 4339. an air outlet;

5231. a screw rod; 5232. a screw nut; 5233. a slider; 5234. a second guide rail; 5235. a column; 5236. and a third motor.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 and 2, a polishing device for processing plastic products comprises an underframe 1, wherein two pillars 2 are mounted at the top of the underframe 1, a moving assembly 3 is arranged between the two pillars 2, a processing mechanism 4 is mounted at the bottom of the moving assembly 3, a clamping mechanism 5 is arranged below the processing mechanism 4, and the clamping mechanism 5 is fixedly connected with the underframe 1; the machining mechanism 4 comprises a grinding part 41, a first adjusting component 42 for adjusting the transverse angle of the grinding part 41 and a second adjusting component 43 for adjusting the vertical position of the grinding part 41, the grinding part 41 is positioned on the first adjusting component 42, the first adjusting component 42 is positioned on the second adjusting component 43, and the second adjusting component 43 is positioned at the bottom of the moving component 3; the clamping mechanism 5 comprises two clamping pieces 51 and a third adjusting assembly 52 for adjusting the transverse position of the two clamping pieces 51, wherein the two clamping pieces 51 are both positioned on the third adjusting assembly 52, and the third adjusting assembly 52 is positioned at the top of the underframe 1.

Further, referring to fig. 1 and 2, the moving assembly 3 includes a first motor 31, the first motor 31 is located on the side wall of the pillar 2 and is fixedly connected with the pillar 2, a screw 32 is installed on an output shaft of the first motor 31, the screw 32 is located between the two pillars 2, and two ends of the screw 32 are respectively rotatably connected with the two pillars 2; the outer wall of the screw rod 32 is screwed with a nut 33, a first guide rail 34 is arranged below the screw rod 32, and the first guide rail 34 penetrates through the nut 33 and is fixedly connected with the strut 2.

Further, referring to fig. 2, the second adjusting assembly 43 includes a hydraulic cylinder 431, and the hydraulic cylinder 431 is located at the bottom of the nut 33 and is fixedly connected to the nut 33; a connecting plate 432 is mounted on an output shaft of the hydraulic cylinder 431, and a dust suction assembly 433 is arranged on the connecting plate 432.

Further, referring to fig. 2, the first adjusting assembly 42 includes a second motor 421, the second motor 421 is located at the bottom of the connecting plate 432 and is fixedly connected to the connecting plate 432, and an output shaft of the second motor 421 is fixedly connected to the polishing member 41; reinforcing blocks 422 are installed on two sides of the second motor 421, and each reinforcing block 422 is connected with the second motor 421.

Specifically, the output shaft of the second motor 421 can be detachably connected with the polishing part 41, and the polishing part 41 can be replaced by a worker conveniently due to the detachable connection mode.

Further, referring to fig. 3, the third adjusting assembly 52 includes a housing 521, the top of the housing 521 has an opening 524, a partition 522 is vertically disposed inside the housing 521, and the partition 522 is fixedly connected to the housing 521; two sets of driving devices 523 are further disposed inside the housing 521, the two sets of driving devices 523 are symmetrically distributed along the partition plate 522, and the two sets of driving devices 523 are respectively connected to the two clamping members 51.

Specifically, the rear surface of the housing 521 has a cover, the cover and the housing 521 can be connected by bolts, and a worker can detach the cover to perform maintenance on the components in the housing 521.

Further, referring to fig. 3, the driving device 523 includes a screw rod 5231, the screw rod 5231 is positioned on the sidewall of the partition 522 and is rotatably connected to the partition 522, and a nut 5232 is screwed on the outer wall of the screw rod 5231; a sliding block 5233 is mounted on the side wall of the nut 5232, the sliding block 5233 is slidably connected with the housing 521 through a second guide rail 5234, and the sliding block 5233 is connected with the clamping member 51.

Specifically, a motor four 525 is further mounted on the bottom wall inside the housing 521, a driving wheel 526 is mounted on an output shaft of the motor four 525, a driven wheel 527 is arranged above the driving wheel 526, the driven wheel 527 is fixedly connected with a screw rod 5231, and the driving wheel 526 is in transmission connection with the driven wheel 527 through a belt 528; the diameter of the driving wheel 526 is smaller than that of the driven wheel 527, and the arrangement mode can ensure that the rotating speed of the screw 5231 is lower than that of the output shaft of the motor 525, so that the aim of reducing speed is achieved, and the sliding block 5233 can slowly slide.

Further, referring to fig. 3, the top of the sliding block 5233 is provided with a vertical column 5235, one side of the vertical column 5235 is provided with a motor iii 5236, and the clamping member 51 is located at the other side of the vertical column 5235; the motor third 5236 is fixedly connected with the upright post 5235, and the output shaft of the motor third 5236 is fixedly connected with the clamping piece 51.

Further, referring to fig. 4, the clamping member 51 includes a housing 511, the housing 511 is located on a side of the upright post 5235 away from the motor iii 5236, and the housing 511 is fixedly connected with an output shaft of the motor iii 5236; a plurality of vacuum generators 512 are arranged in the shell 511, and each vacuum generator 512 is fixedly connected with the shell 511; a vacuum cup 513 corresponding to the vacuum generator 512 is inserted into a sidewall of the housing 511, and the vacuum generator 512 and the vacuum cup 513 are connected.

Further, referring to fig. 5, the dust collection assembly 433 includes a dust removal box 4331, the dust removal box 4331 is located at the top of the connection plate 432 and is fixedly connected to the connection plate 432; both sides of the dust removal box 4331 are provided with fans 4332, an air inlet of each fan 4332 is communicated with an air inlet pipe 4333, an air outlet of each fan 4332 is communicated with an air outlet pipe 4334, and the air outlet pipes 4334 are positioned inside the dust removal box 4331.

Further, referring to fig. 5, a water tank 4335 is installed at the top of the dust removing tank 4331, a connecting pipe 4336 is horizontally arranged inside the dust removing tank 4331, and the water tank 4335 is communicated with the connecting pipe 4336 through a pressure pump 4337; the bottom of the connecting pipe 4336 is connected with a plurality of nozzles 4338, the top of the dust removing box 4331 is provided with an air outlet 4339, and the side wall of the dust removing box 4331 is connected with a liquid outlet pipe 434.

Specifically, a valve is mounted on a sidewall of the outlet pipe 434, and the valve can control whether the liquid in the outlet pipe 434 is discharged. The top of the water tank 4335 is provided with a liquid inlet, and a worker can supplement liquid into the water tank 4335 through the liquid inlet; the air outlet 4339 may further have an activated carbon layer inside, and the activated carbon layer is disposed to further filter the exhausted air.

The working principle of the invention is as follows:

referring to fig. 1-5, a worker first places a plastic product between two clamping members 51, then turns on two motors 525 to make the output shafts of the two motors 525 respectively drive two screw rods 5231 to rotate, at this time, two nuts 5232 respectively slide on two guide rails 5234 until the vacuum cups 513 in the two clamping members 51 contact with the outer wall of the plastic product, at this time, turns on the vacuum generator 512 to make the vacuum generator 512 draw air between the vacuum cups 513 and the plastic product, so as to fix the plastic product on the housing 521, then turns on the hydraulic cylinder 431 to make the output shaft of the hydraulic cylinder 431 drive the connecting plate 432 to move in the vertical direction to make the grinding member 41 align with the upper surface of the plastic product, at this time, turns on the motors 421 and 31 to make the grinding member 41 rotate, while the motor 31 drives the screw rod 32 to rotate, further drives the nut 33 to slide on the guide rail 34, so as to adjust the position of the rotating grinding member 41 in the horizontal direction, so as to grind the surface of the plastic product.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a grinding device is used in plastic products processing, includes chassis (1), its characterized in that: the top of the underframe (1) is provided with two struts (2), a moving assembly (3) is arranged between the two struts (2), the bottom of the moving assembly (3) is provided with a processing mechanism (4), a clamping mechanism (5) is arranged below the processing mechanism (4), and the clamping mechanism (5) is fixedly connected with the underframe (1);

the machining mechanism (4) comprises a grinding part (41), a first adjusting assembly (42) for adjusting the transverse angle of the grinding part (41) and a second adjusting assembly (43) for adjusting the vertical position of the grinding part (41), the grinding part (41) is positioned on the first adjusting assembly (42), the first adjusting assembly (42) is positioned on the second adjusting assembly (43), and the second adjusting assembly (43) is positioned at the bottom of the moving assembly (3);

the clamping mechanism (5) comprises two clamping pieces (51) and a third adjusting assembly (52) used for adjusting the transverse positions of the two clamping pieces (51), the two clamping pieces (51) are located on the third adjusting assembly (52), and the third adjusting assembly (52) is located at the top of the base frame (1).

2. A grinding device for plastic product processing as defined in claim 1, wherein:

the moving assembly (3) comprises a first motor (31), the first motor (31) is positioned on the side wall of the support column (2) and fixedly connected with the support column (2), a screw rod (32) is installed on an output shaft of the first motor (31), the screw rod (32) is positioned between the two support columns (2), and two ends of the screw rod (32) are respectively rotatably connected with the two support columns (2);

the outer wall of the screw rod (32) is connected with a nut (33) in a threaded mode, a first guide rail (34) is arranged below the screw rod (32), and the first guide rail (34) penetrates through the nut (33) and is fixedly connected with the supporting column (2).

3. A grinding device for plastic product processing as defined in claim 2, wherein:

the second adjusting assembly (43) comprises a hydraulic cylinder (431), and the hydraulic cylinder (431) is positioned at the bottom of the nut (33) and is fixedly connected with the nut (33);

a connecting plate (432) is mounted on an output shaft of the hydraulic cylinder (431), and a dust collection assembly (433) is arranged on the connecting plate (432).

4. A polishing apparatus for the manufacture of plastic articles as recited in claim 3, wherein:

the first adjusting component (42) comprises a second motor (421), the second motor (421) is located at the bottom of the connecting plate (432) and is fixedly connected with the connecting plate (432), and an output shaft of the second motor (421) is fixedly connected with the grinding piece (41);

reinforcing blocks (422) are installed on two sides of the second motor (421), and each reinforcing block (422) is connected with the second motor (421).

5. A grinding device for plastic product processing as defined in claim 1, wherein:

the third adjusting assembly (52) comprises a shell (521), an opening (524) is formed in the top of the shell (521), a partition plate (522) is vertically arranged inside the shell (521), and the partition plate (522) is fixedly connected with the shell (521);

the inner part of the shell (521) is further provided with two groups of driving devices (523), the two groups of driving devices (523) are symmetrically distributed along the partition plate (522), and the two groups of driving devices (523) are respectively connected with the two clamping pieces (51).

6. A grinding apparatus for plastic product processing as defined in claim 5, wherein:

the driving device (523) comprises a screw rod (5231), the screw rod (5231) is positioned on the side wall of the partition plate (522) and is rotatably connected with the partition plate (522), and a screw nut (5232) is screwed on the outer wall of the screw rod (5231);

the lateral wall of the screw nut (5232) is provided with a sliding block (5233), the sliding block (5233) is in sliding connection with the shell (521) through a second guide rail (5234), and the sliding block (5233) is connected with the clamping piece (51).

7. A grinding apparatus for plastic product processing as defined in claim 6, wherein:

an upright post (5235) is mounted at the top of the sliding block (5233), a motor III (5236) is arranged on one side of the upright post (5235), and the clamping piece (51) is positioned on the other side of the upright post (5235);

the motor III (5236) is fixedly connected with the upright post (5235), and an output shaft of the motor III (5236) is fixedly connected with the clamping piece (51).

8. A polishing apparatus for the manufacture of plastic articles as recited in claim 7, wherein:

the clamping piece (51) comprises a shell (511), the shell (511) is positioned on one side of the upright post (5235) far away from the motor III (5236), and the shell (511) is fixedly connected with an output shaft of the motor III (5236);

a plurality of vacuum generators (512) are arranged in the shell (511), and each vacuum generator (512) is fixedly connected with the shell (511);

a vacuum suction cup (513) corresponding to the vacuum generator (512) is embedded in the side wall of the shell (511), and the vacuum generator (512) is communicated with the vacuum suction cup (513).

9. A grinding apparatus for plastic product processing as defined in claim 3, wherein:

the dust collection assembly (433) comprises a dust collection box (4331), and the dust collection box (4331) is positioned at the top of the connecting plate (432) and is fixedly connected with the connecting plate (432);

the both sides of dust removal case (4331) all are provided with fan (4332), the air intake intercommunication of fan (4332) has air-supply line (4333), the air outlet intercommunication of fan (4332) has air-out pipe (4334), air-out pipe (4334) are located the inside of dust removal case (4331).

10. A grinding device for plastic product processing as defined in claim 9, wherein:

a water tank (4335) is installed at the top of the dust removal box (4331), a connecting pipe (4336) is horizontally arranged in the dust removal box (4331), and the water tank (4335) is communicated with the connecting pipe (4336) through a pressure pump (4337);

the bottom of the connecting pipe (4336) is communicated with a plurality of spray heads (4338), the top of the dust removing box (4331) is provided with an air outlet (4339), and the side wall of the dust removing box (4331) is communicated with a liquid outlet pipe (434).

Images