CN215317749U

CN215317749U - A grinding device for plastics processing

Info

Publication number: CN215317749U
Application number: CN202121659076.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: Hangzhou Haohang Technology Co ltd
Current assignee: Hangzhou Haohang Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-28
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a polishing device for plastic processing, which comprises a box body, wherein a horizontally arranged sliding groove is arranged at the top in the box body, and a sliding block is connected in the sliding groove in a sliding fit manner. The utility model has the beneficial effects that: the utility model provides a grinding device for plastics processing, place the both ends level of the working of plastics that will polish in pressing from both sides tight frame, it presss from both sides tight fixed with the working of plastics to rotate the first screw rod of hand wheel drive and promote the clamp plate downwards, it can adjust the distance between the tight frame of adjustment clamp according to the variation in size of working of plastics to promote second installation piece and square respectively through two second electric telescopic handle, first motor drive sanding block rotates, first electric telescopic handle promotes first installation piece downwards and can drive sanding block and polish the working of plastics downwards, spun coolant liquid falls to filter on the filter and then discharges into coolant liquid bin storage reuse, the dust catcher will polish the time raise dust suction that produces when will polish through the suction hood and filters the back discharge through two dust filter plates in the filter box.

Description

A grinding device for plastics processing

Technical Field

The utility model relates to the technical field of plastic processing, in particular to a polishing device for plastic processing.

Background

The plastic is a high molecular compound which is polymerized by addition polymerization or polycondensation reaction and takes a monomer as a raw material, the high molecular compound has moderate deformation resistance and is arranged between fiber and rubber, the high molecular compound is composed of synthetic resin, filler, plasticizer, stabilizer, lubricant, pigment and other additives, when the plastic is polished, a large amount of dust can be generated, the dust is not treated, and certain harm can be caused to the body of workers and the working environment. For this reason, propose a plastics processing grinding device in CN 212095737U's patent, comprising a base plate, the top outer wall of bottom plate is provided with the case of polishing, and one side outer wall of the case of polishing is provided with the backup pad, the top outer wall of backup pad is provided with dust collection box and fan, and one side inner wall of dust collection box and the output of fan are provided with same dust guide tube, one side outer wall of backup pad is provided with the suction hood, and the input of suction hood and the input of fan are provided with same pipe, the top inner wall of case of polishing is provided with electronic slide rail, and the inner wall of electronic slide rail has grinding machanism through slider sliding connection, the dust collection box has been placed to the bottom inner wall of case of polishing, and the inner wall of case of polishing is connected with fixed establishment through the bearing. Above-mentioned plastic working grinding device collects the processing through suction hood and pipe with the dust leading-in to the dust collecting tank, and the impurity of big granule can directly be leading-in to the dust collection box in addition, the effectual dust removal effect who improves the device. Through being provided with atomizer and coolant liquid pipe, can spray the coolant liquid to the head of polishing when polishing plastics, reduce the temperature of polishing and improve the quality of polishing, be provided with the second hydraulic stem in addition, first hydraulic stem and clamp plate, connect hydraulic system respectively with second hydraulic stem and first hydraulic stem, adjust the length of first hydraulic stem and second hydraulic stem and can fix the plastics of different specifications, the application range of device has been improved, through being provided with first motor case, first motor and connecting rod, through opening first motor, first motor drives the connecting rod through the belt and carries out the bull stick, can realize the upset of plastics, can polish to the two sides of plastics, the practicality of device has been improved. However, this plastics processing grinding device when using, though through spraying the coolant liquid, reduce the temperature of polishing and improve the quality of polishing, thereby can't collect the coolant liquid that sprays out and filter back cyclic utilization and increase manufacturing cost, and the structure is unreasonable not to be practical use, thereby the inner wall filter effect of dust collection box is poor influences the filter effect simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding device for plastic processing, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a polishing device for plastic processing comprises a box body, wherein a horizontally arranged chute is arranged at the top in the box body, a sliding block is connected in the chute in a sliding fit manner, a power device used for driving the sliding block to slide in the chute is arranged in the chute, a first electric telescopic rod is arranged on the lower side of the sliding block, the telescopic end of the first electric telescopic rod is vertically and downwards arranged and fixedly connected with a horizontally arranged first installation block, a first installation groove is arranged on the lower side of the first installation block, a first motor is arranged in the first installation groove, a main shaft of the first motor vertically and downwards extends to the outer side of the first installation block and is fixedly connected with a horizontally arranged polishing block, second electric telescopic rods are arranged on two opposite sides of the box body, the telescopic ends of the two second electric telescopic rods horizontally penetrate through the box body and extend into the box body, and the tail end of the left second electric telescopic rod extends into the end is fixedly connected with the vertically arranged second installation block, a second mounting groove is formed in one side, away from the left second electric telescopic rod, of the second mounting block, a second motor is arranged in the second mounting groove, a spindle of the second motor horizontally extends out of the second mounting block, the tail end of the extending end of the right second electric telescopic rod is fixedly connected with a vertically arranged square block, a vertically arranged bearing groove is formed in one side, facing the second mounting block, of the square block, the bearing groove is connected with a rotating block in a rotating fit mode through a rotating bearing, one end of the rotating block horizontally extends out of the square block and is arranged corresponding to the spindle of the second motor, one end, opposite to the spindle of the second motor, of the rotating block is fixedly connected with a vertically arranged clamping frame, and frame openings of the two clamping frames are arranged oppositely;

the bottom in the box body is provided with a horizontally arranged cooling liquid storage box, the upper side of the cooling liquid storage box is open and is arranged opposite to the grinding block, a horizontally arranged filter plate is arranged in the cooling liquid storage box, a horizontally arranged support plate is arranged above one side of the box body, which is far away from the second installation block, a water pump is arranged on the upper side of the support plate, a water inlet pipe is arranged at a water inlet of the water pump, one end of the water inlet pipe penetrates through the box body and is communicated with the cooling liquid storage box, a water outlet pipe is arranged at a water outlet of the water pump, a horizontally arranged cross rod is fixedly connected below one side of the first installation block, which is close to the water pump, one end of the cross rod, which is far away from the first installation block, is hinged and matched with a circular pipe which is obliquely arranged, one end of the circular pipe, which is far away from the cross rod, is provided with a spray head, the spray nozzle of the spray head is arranged towards the grinding block, one end of the water outlet pipe penetrates through the box body and is communicated with the circular pipe, the utility model discloses a filter box, including box, water pump, suction fan, filter box, suction inlet, suction pipe and dust suction pipe, the filter box of vertical setting is equipped with at one side edge that the water pump was kept away from to box top, and the upside of filter box is equipped with the dust catcher, and the inlet scoop of dust catcher is linked together with the filter box through the aspiration channel, the downside of filter box is linked together with the box through the dust absorption pipe.

Preferably, the spring of the vertical setting of the equal symmetry fixed connection in top in two tight frames of clamp, the pinch-off blades that the common fixed connection level of lower extreme of two springs set up, the upside of two tight frames of clamp all is equipped with first screw hole, first screw hole sets up between two springs, and first screw hole is linked together with the tight frame of clamp, first screw hole internal thread normal running fit connects and is the first screw rod that extends the setting from top to bottom, the lower extreme of first screw rod stretch press from both sides in the tight frame and with the upside contact setting of pinch-off blades, the rotating hand wheel that the upper end fixed connection level of first screw rod set up.

Preferably, one side that the water pump was kept away from to the rose box is equipped with first connecting hole, the one end and the first connecting hole of aspiration channel are linked together, the downside of rose box is equipped with the second connecting hole, the one end and the second connecting hole of dust absorption pipe are linked together, the other end of dust absorption pipe stretches into in the box and fixed connection suction hood, and the suction hood is linked together with the dust absorption pipe, two dust filter of symmetry fixed connection in the rose box, the mesh of the dust filter of below is greater than the mesh of top dust filter.

Preferably, power device includes the second screw rod that the level set up, and the second screw rod can be at the slider internal rotation, and the one end level of second screw rod runs through the box and stretches out to the outside of box, is equipped with the third motor that is used for driving second screw rod pivoted in the end that stretches out of second screw rod, and the other end of second screw rod is connected with the one side inner wall normal running fit of spout, is equipped with the second screw hole on the slider, and the second screw rod passes and is connected with second screw hole screw-thread fit from the second screw hole.

Preferably, the upper parts of the opposite inner walls of the cooling liquid storage box are fixedly connected with horizontally arranged placing plates, and the filter plates are horizontally placed on the upper sides of the two placing plates.

Preferably, the one end that the water pump was kept away from to the inlet tube runs through the coolant storage tank and stretches into in the coolant storage tank, the inlet tube stretches into the end and is equipped with the filter mantle.

Compared with the prior art, the utility model has the beneficial effects that: the two ends of a plastic piece to be polished are horizontally placed in a clamping frame by opening a box door on one side of a box body, a hand wheel is rotated to drive a first screw rod to downwards push a clamping plate to clamp and fix the plastic piece, the lower side of the clamping plate and a rubber pad arranged at the bottom in the clamping frame can prevent the part from being damaged by clamping, two second electric telescopic rods respectively push a second mounting block and a square block to adjust the distance between the two clamping frames according to the size of the plastic piece, a first motor is opened to drive a polishing block to rotate, the first electric telescopic rod downwards pushes the first mounting block to drive the polishing block to downwards polish the plastic piece, a third motor can drive the second screw rod to drive a sliding block to slide in a sliding groove, the sliding block slides in the sliding groove to drive the polishing block to horizontally reciprocate to polish the plastic piece, a water pump is opened to suck out cooling liquid in a cooling liquid storage box to spray the plastic piece on the spraying nozzle during polishing, thereby can cool down working of plastics and sanding block, the spun coolant liquid falls on the filter and filters the back and discharges into coolant liquid bin storage reuse, thereby the left tight frame of clamp of second motor drive can drive the tight frame rotation of clamp on right side through the working of plastics and realize carrying out the turn-over to the working of plastics and polish, opens the dust catcher and filters the back discharge through two dust filter plates in the filter box through the raise dust suction that the suction hood produced when will polishing. Can solve the plastic working grinding device among the prior art like this when using, though through spraying the coolant liquid, reduce the temperature of polishing and improve the quality of polishing, thereby can't collect the coolant liquid that sprays out and filter back circulation use and increase manufacturing cost, and the structure is unreasonable not to practical use, thereby the inner wall filter effect of dust collection box is poor simultaneously influences the problem of filter effect.

Drawings

Fig. 1 is a schematic diagram of a basic structure of a grinding device for plastic processing provided by the utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a schematic view of the internal structure of the filter box.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

As shown in fig. 1-4, the present invention relates to a polishing device for plastic processing, which comprises a box body 1, wherein a box door is arranged on one side of the box body 1, a horizontally arranged chute 2 is arranged at the top inside the box body 1, a sliding block 21 is connected in the chute 2 in a sliding fit manner, a power device for driving the sliding block 21 to slide in the chute 2 is arranged in the chute 2, the power device comprises a horizontally arranged second screw 22, the second screw 22 can rotate in the sliding block 21, one end of the second screw 22 horizontally penetrates through the box body 1 and extends to the outer side of the box body 1, and a third motor for driving the second screw 22 to rotate is arranged at the extending end of the second screw 22

23, third motor 23 passes through bolt fixed connection in the outside of box 1, and the main shaft of third motor 23 and the coaxial setting of the end fixed connection that stretches out of second screw rod 22, the other end of second screw rod 22 and the rolling bearing normal running fit who fixes on the inner wall of one side of spout 2 are connected, are equipped with the second screw hole on slider 21, and second screw rod 22 passes and is connected with second screw hole screw-thread fit from the second screw hole. The lower side of the sliding block 21 is fixedly connected with a first electric telescopic rod 3 through a bolt, the telescopic end of the first electric telescopic rod 3 is vertically and downwards arranged and is fixedly connected with a horizontally arranged first installation block 4 in a welding way, the lower side of the first installation block 4 is provided with a first installation groove 41, a first motor 42 is fixedly connected in the first installation groove 41 through a bolt, a main shaft of the first motor 42 vertically and downwards extends to the outer side of the first installation block 4 and is fixedly connected with a horizontally arranged grinding block 43, two opposite sides of the box body 1 are fixedly connected with second electric telescopic rods 5 through bolts, the telescopic ends of the two second electric telescopic rods 5 horizontally penetrate through the box body 1 and extend into the box body 1, the tail end of the extending end of the left second electric telescopic rod 5 is fixedly connected with a vertically arranged second installation block 51 in a welding way, and one side of the second installation block 51, which is far away from the left second electric telescopic rod 5, is provided with a second installation groove, the second mounting groove is internally fixedly connected with a second motor 52 through bolts, a spindle of the second motor 52 horizontally extends to the outer side of a second mounting block 51, the tail end of the extending end of a second electric telescopic rod 5 on the right side is fixedly connected with a vertically arranged square block 6 in a welding manner, one side of the square block 6, which faces the second mounting block 51, is provided with a vertically arranged bearing groove, the bearing groove is internally connected with a rotating block 62 in a rotating fit manner through a rotating bearing 61, one end of the rotating block 62 horizontally extends to the outer side of the square block 6 and is arranged corresponding to the spindle of the second motor 52, one end of the rotating block 62, which is opposite to the spindle of the second motor 52, is fixedly connected with a vertically arranged clamping frame 7, frame openings of the two clamping frames 7 are oppositely arranged, the tops in the two clamping frames 7 are fixedly connected with vertically arranged springs 74 in a symmetrical and welding manner, and the lower ends of the two springs 74 are fixedly connected with a horizontally arranged clamping plate 75 together in a welding manner, the upside of two tight frames 7 of clamp all is equipped with first screw hole 71, first screw hole 71 sets up between two springs 74, and first screw hole 71 is linked together with the tight frame 7 of clamp, first screw hole 71 internal thread normal running fit connects and is the first screw rod 72 that extends the setting from top to bottom, the lower extreme of first screw rod 72 stretch press from both sides in the tight frame 7 and with the upside contact setting of clamp plate 75, the upper end fixed connection level of first screw rod 72 sets up rotates hand wheel 73.

Bottom fixed connection is equipped with the coolant liquid bin 8 that the level set up in box 1, and the upside of coolant liquid bin 8 is uncovered and sets up relatively with sanding block 43, the filter 82 that the level set up is equipped with in the coolant liquid bin 8, the board 81 of placing that the equal welded fastening of coolant liquid bin 8 relative inner wall top set up, filter 82 level is placed at two upsides of placing board 81. The one side top welding fixed connection level that second installation piece 51 was kept away from to box 1 sets up backup pad 11, and bolt fixed connection water pump 12 is passed through to the upside of backup pad 11, and the water inlet of water pump 12 is equipped with inlet tube 13, the one end that water pump 12 was kept away from to inlet tube 13 runs through in coolant liquid storage box 8 and stretches into coolant liquid storage box 8, inlet tube 13 stretches into the end and is equipped with filter mantle 14, the delivery port of water pump 12 is equipped with outlet pipe 15, one side below welding fixed connection level that first installation piece 4 is close to water pump 12 sets up horizontal pole 44, the articulated cooperation of the one end that first installation piece 4 was kept away from to horizontal pole 44 connects the pipe 45 that the slope set up, and the one end that horizontal pole 44 was kept away from to pipe 45 is equipped with shower nozzle 46, and shower nozzle 46 is linked together with pipe 45, and the nozzle of shower nozzle 46 sets up towards sanding block 43, the one end of outlet pipe 15 runs through box 1 with pipe 45 is linked together, thereby can filter the coolant liquid once more through setting up filter mantle 14 and prevent to block up shower nozzle 46, the filter box 9 that one side edge fixed connection vertical setting of water pump 12 was kept away from in box 1 top, the upside of filter box 9 passes through bolt fixed connection dust catcher 10, and the inlet scoop of dust catcher 10 is linked together through aspiration channel 101 and filter box 9, the downside of filter box 9 is linked together through dust absorption pipe 91 and box 1, one side that water pump 12 was kept away from to filter box 9 is equipped with first connecting hole 93, the one end and the first connecting hole 93 of aspiration channel 101 are linked together, the downside of filter box 9 is equipped with second connecting hole 94, the one end and the second connecting hole 94 of dust absorption pipe 91 are linked together, the other end of dust absorption pipe 91 stretches into in box 1 and fixed connection dust absorption cover 92, dust cover 92 is linked together with dust absorption pipe 91, two dirt filter plates 95 of symmetry fixed connection in the filter box 9, the mesh of the lower dust filter 95 is larger than the mesh of the upper dust filter 95.

When the polishing device for plastic processing provided by the utility model is used, one side door of the box body 1 is opened, two ends of a plastic piece to be polished are horizontally placed in the clamping frame 7, the hand wheel 73 is rotated to drive the first screw 72 to downwards push the clamping plate 75 to clamp and fix the plastic piece, the part can be prevented from being damaged by clamping through the rubber pads arranged at the lower side of the clamping plate 75 and the inner bottom of the clamping frame 7, the second mounting block 51 and the square block 6 are respectively pushed by the two second electric telescopic rods 5, the distance between the two clamping frames 7 can be adjusted according to the size of the plastic piece, the first motor 42 is started to drive the polishing block 43 to rotate, the first electric telescopic rod 3 pushes the first mounting block 4 downwards to drive the polishing block 43 to downwards polish the plastic piece, the third motor 23 can drive the second screw 22 to drive the sliding block 21 to slide in the sliding groove 2, and the sliding block 21 slides in the sliding groove 2 to drive the polishing block 43 to horizontally reciprocate to polish the plastic piece Grind, turn on the coolant liquid suction of water pump 12 in with coolant liquid storage tank 8 when polishing and spray on the working of plastics through shower nozzle 46, thereby can cool down working of plastics and sanding block 43, spun coolant liquid falls on filter 82 and filters the back and emits into coolant liquid storage tank 8 storage reuse, thereby the left tight frame 7 of clamp of second motor 52 drive can drive the tight frame 7 rotation of clamp on right side through the working of plastics and realize polishing the working of plastics turn-ups, open dust catcher 10 and will polish the time-producing raise dust suction through two dust filter plates 95 in the filter box 9 through suction hood 92 and filter the back discharge.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a grinding device for plastics processing, includes box (1), its characterized in that: the top in the box body (1) is provided with a horizontally arranged chute (2), the chute (2) is in sliding fit with a connecting slide block (21), a power device used for driving the slide block (21) to slide in the chute (2) is arranged in the chute (2), the lower side of the slide block (21) is provided with a first electric telescopic rod (3), the telescopic end of the first electric telescopic rod (3) is vertically and downwards arranged and fixedly connected with a horizontally arranged first installation block (4), the lower side of the first installation block (4) is provided with a first installation groove (41), a first motor (42) is arranged in the first installation groove (41), the main shaft of the first motor (42) vertically and downwards extends out of the outer side of the first installation block (4) and is fixedly connected with a horizontally arranged grinding block (43), the two opposite sides of the box body (1) are both provided with second electric telescopic rods (5), the telescopic ends of the two second electric telescopic rods (5) horizontally penetrate through the box body (1) and extend into the box body (1), the tail end of the extending end of the left second electric telescopic rod (5) is fixedly connected with a vertically arranged second installation block (51), one side, far away from the left second electric telescopic rod (5), of the second installation block (51) is provided with a second installation groove, a second motor (52) is arranged in the second installation groove, a spindle of the second motor (52) horizontally extends out of the outer side of the second installation block (51), the tail end of the extending end of the right second electric telescopic rod (5) is fixedly connected with a vertically arranged block (6), one side, facing the second installation block (51), of the block (6) is provided with a vertically arranged bearing groove, the bearing groove is rotatably matched and connected with a rotating block (62) through a rotating bearing (61), one end of the rotating block (62) horizontally extends out of the block (6) and is arranged corresponding to the spindle of the second motor (52), one ends, opposite to the spindles, of the rotating block (62) and the second motor (52) are fixedly connected with a vertically arranged clamping frame (7), the frame openings of the two clamping frames (7) are oppositely arranged;

the bottom is equipped with coolant liquid bin (8) that the level set up in box (1), the upside of coolant liquid bin (8) is uncovered and sets up with sanding block (43) relatively, filter (82) that the level set up is equipped with in coolant liquid bin (8), one side top that second installation piece (51) was kept away from in box (1) is equipped with level setting backup pad (11), the upside of backup pad (11) is equipped with water pump (12), the water inlet of water pump (12) is equipped with inlet tube (13), the one end of inlet tube (13) runs through box (1) and is linked together with coolant liquid bin (8), the delivery port of water pump (12) is equipped with outlet pipe (15), horizontal pole (44) that the one side below fixed connection level that first installation piece (4) are close to water pump (12) set up are crossed to first installation piece (4), pipe (45) that the slope set up are connected in the articulated cooperation of the one end that first installation piece (4) was kept away from to horizontal pole (44), the one end of keeping away from horizontal pole (44) in pipe (45) is equipped with shower nozzle (46), and shower nozzle (46) are linked together with pipe (45), and the nozzle of shower nozzle (46) sets up towards sanding block (43), the one end of outlet pipe (15) run through box (1) with pipe (45) are linked together, one side edge department of keeping away from water pump (12) above box (1) is equipped with filter box (9) of vertical setting, and the upside of filter box (9) is equipped with dust catcher (10), and the inlet scoop of dust catcher (10) is linked together through aspiration channel (101) and filter box (9), the downside of filter box (9) is linked together through dust absorption pipe (91) and box (1).

2. A grinding device for plastics processing according to claim 1, characterized in that: spring (74) of the equal symmetrical vertical setting of top in two tight frames (7) of clamp, clamp plate (75) that the common fixed connection level of lower extreme of two springs (74) set up, the upside that two tight frames (7) of clamp all is equipped with first screw hole (71), first screw hole (71) set up between two springs (74), first screw hole (71) with press from both sides tight frame (7) and be linked together, first screw hole (71) internal thread normal running fit connect be extend from top to bottom first screw rod (72) that set up, the lower extreme of first screw rod (72) stretch press from both sides in the tight frame (7) and with the upside contact setting of clamp plate (75), the rotation hand wheel (73) that the upper end fixed connection level of first screw rod (72) set up.

3. A grinding device for plastics processing according to claim 1, characterized in that: one side that water pump (12) was kept away from in rose box (9) is equipped with first connecting hole (93), the one end and first connecting hole (93) of aspiration channel (101) are linked together, the downside of rose box (9) is equipped with second connecting hole (94), the one end and second connecting hole (94) of dust absorption pipe (91) are linked together, the other end of dust absorption pipe (91) stretches into box (1) interior and fixed connection suction hood (92), and suction hood (92) are linked together with dust absorption pipe (91), two dust filter plates (95) of filter box (9) interior symmetry fixed connection, the mesh of dust filter plate (95) of below is greater than the mesh of top dust filter plate (95).

4. A grinding device for plastics processing according to claim 1, characterized in that: the power device comprises a second screw rod (22) which is horizontally arranged, the second screw rod (22) can rotate in a sliding block (21), one end of the second screw rod (22) horizontally penetrates through a box body (1) and extends out of the outer side of the box body (1), a third motor (23) which is used for driving the second screw rod (22) to rotate is arranged at the extending end of the second screw rod (22), the other end of the second screw rod (22) is connected with the inner wall of one side of a sliding groove (2) in a rotating fit mode, a second threaded hole is formed in the sliding block (21), and the second screw rod (22) penetrates through the second threaded hole and is connected with the second threaded hole in a threaded fit mode.

5. A grinding device for plastics processing according to claim 1, characterized in that: the upper side of the inner wall opposite to the cooling liquid storage box (8) is fixedly connected with a placing plate (81) horizontally arranged, and the filter plate (82) is horizontally placed on the upper sides of the two placing plates (81).

6. A grinding device for plastics processing according to claim 1, characterized in that: the one end that water pump (12) was kept away from in inlet tube (13) runs through coolant liquid bin (8) and stretches into in coolant liquid bin (8) inlet tube (13) stretch into the end and are equipped with filter mantle (14).