CN215092633U

CN215092633U - Trimming and polishing device for plastic products

Info

Publication number: CN215092633U
Application number: CN202120677802.1U
Authority: CN
Inventors: 苏本璋; 汪双荃; 李道林; 江源源
Original assignee: Anhui Tongli New Materials Co ltd
Current assignee: Anhui Tongli New Materials Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-10
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a trimming and polishing device for plastic products, belonging to the technical field of plastic product processing, comprising a machine body with a processing groove at the top; the inner wall of the processing tank is provided with a telescopic tank; the clamping mechanism is arranged in the processing tank, and the clamping mechanism is arranged to clamp and release the material; the telescopic mechanism is arranged in the telescopic groove and used for pushing the clamping mechanism to move; and stopper and spacing groove, stopper and spacing groove all are provided with two, two spacing grooves are seted up on flexible groove, two stoppers set up on fixture, two stoppers slide in two spacing inslots, through the cooperation to between first fixture block and the second fixture block, promote the material fast fixing material and take off the material, produce the burr that produces with the course of working edge department and handle plastic products, need not the manual work and cut and polish, can handle the burr by batches, improve work efficiency.

Description

Trimming and polishing device for plastic products

Technical Field

The utility model belongs to the technical field of the processing of plastic products, concretely relates to deburring grinding device for plastic products.

Background

The plastic products are the general name of articles for daily use, industry and the like which are processed by adopting plastics as main raw materials. The plastic is a synthetic high molecular material with plasticity, which forms three essential synthetic materials in daily life with synthetic rubber and synthetic fiber, concretely, the plastic takes natural or synthetic resin as main component, and various additives are added, and the plastic can be molded into a certain shape under certain temperature and pressure, and the shape is kept unchanged at normal temperature.

In the processing process of plastic products, burrs are generated at the corners of the plastic products due to the loss of a die and errors in the processing and manufacturing process, and adverse effects are caused on subsequent processing or assembly of the plastic products.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deburring grinding device for plastic products aims at solving current burr to producing and the production of in-process edge department because artifical treatment effeciency is low, and has the potential safety hazard in the processing procedure, realizes batchization's burring, improves work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme:

an edge grinding device for plastic articles comprising:

the top of the machine body is provided with a processing groove, and the inner wall of the processing groove is provided with a telescopic groove;

the clamping mechanism is arranged in the processing tank, and the clamping mechanism is arranged to clamp and release materials;

the telescopic mechanism is arranged in the telescopic groove and used for pushing the clamping mechanism to move; and

stopper and spacing groove, stopper and spacing groove all are provided with two, two the spacing groove is seted up on flexible groove, two the stopper sets up on fixture, two the stopper slides in two spacing inslots.

As a preferred scheme of the utility model, fixture includes movable block, spout, first jack, two second jacks, first spring card and second spring card, the movable block sets up in flexible inslot, the spout is seted up at the top of movable block, first jack is seted up on the movable block, first jack is linked together with the spout, first spring card sets up on the movable block, two the second jack is seted up on the movable block, the activity of second spring card sets up on the movable block, first spring card includes first fixture block, second spring card includes the second fixture block, second fixture block and first fixture block cooperate to the realization is to the centre gripping of material.

As an optimized scheme, first spring card still includes first push rod and first enhancement spring, first fixture block sets up in the spout, first push rod activity is inserted and is located between the circumference inner wall of first jack, first push rod is connected with first fixture block, the circumference surface cover of first push rod is equipped with first enhancement spring.

As a preferred scheme of the utility model, the second spring card still includes two second push rods and two second reinforcing springs, the circumferential surface of first push rod is located to the second fixture block cover, the second fixture block is located between movable block and the first reinforcing spring, two second push rod fixed connection is on the second fixture block, two the circumferential surface of two second push rods is located to the second reinforcing spring cover.

As a preferred scheme, telescopic machanism includes lead screw, slider and motor, motor fixed connection is on the holding tank inner wall, lead screw fixed connection is in the output of motor, the circumference surface cover of lead screw is equipped with the slider, the slider is connected with the movable block.

As a preferred scheme, the holding tank has been seted up to the inside of organism, the holding tank communicates with flexible groove mutually, telescopic machanism includes lead screw, slider and motor, motor fixed connection is on the holding tank inner wall, lead screw fixed connection is in the output of motor, the circumference surface cover of lead screw is equipped with the slider, the slider is connected with the movable block.

As a preferred scheme, two fixed blocks of fixedly connected with on the inner wall in flexible groove, two the fixed block and two second push rod phase-matchs, two fixedly connected with lifts the piece on the inner wall in processing groove, two it is corresponding with two fixed blocks to raise the piece.

As an optimal scheme of the utility model, be provided with the V type washout groove in the holding tank, the cutting bits derivation hole has been seted up on the surface of organism, the cutting bits derivation hole is corresponding with the inside groove minimum in V type washout groove.

As a preferable aspect of the present invention, the inner wall of the processing tank is provided with two first grinders, two second grinders, and two electric cutting blades.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the scheme, a clamping mechanism, two first grinding machines, two second grinding machines and two electric cutting tools are conveniently accommodated in a processing groove, the clamping mechanism is arranged to fix materials, a telescopic mechanism is arranged to push the clamping mechanism, two limiting blocks and two limiting grooves are arranged on the left inner wall and the right inner wall of the telescopic groove, the two limiting blocks are fixedly connected to the left end and the right end of a moving block and respectively slide between the upper inner wall and the lower inner wall of the two limiting grooves, the movement of the clamping mechanism is limited by the matching of the two limiting blocks and the two limiting grooves, the materials are clamped by the clamping mechanism, and the materials sequentially pass through the two first grinding machines, the two second grinding machines and the two electric cutting tools in the processing groove to be firstly deburred and then coarsely ground by the movement of the clamping mechanism, and finally, fine grinding is carried out, the reciprocating clamping of the clamping mechanism is adopted, burrs generated at the corners in the plastic product production and processing processes are processed, manual cutting and grinding are not needed, the burrs can be processed in batches, and the production efficiency is improved.

2. In this scheme, dust catcher fixed connection is on the right side of organism, the piece of setting in to processing of dust catcher is collected, the fixed connection of dust cover is in the upper end of organism, the dust catcher is located two first mills, the upside of two second grinders and two electronic cutting swoves, for the piece of cutting with the in-process of polishing holds and provides fixed space, be convenient for clastic collection, the setting of pipe is used for intercommunication dust catcher and dust cover, with the piece that drifts about in the dust cover pass through the air current and inhale in the dust catcher, the piece is prevented in the setting of two electrostatic precipitator brushes, the inner space of dust cover overflows at the in-process that the material removed, through the collection to the piece, reduce dustproof in the air, reduce the pollution to the air, avoid influencing staff's healthy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an exploded view of the clamping mechanism of the present invention;

fig. 5 is a half-sectional view of the present invention.

In the figure: 1. a body; 2. processing a tank; 3. a telescopic groove; 4. a moving block; 5. a limiting block; 6. a chute; 7. a first clamping block; 8. a first jack; 9. a second jack; 10. a second push rod; 11. a second fixture block; 12. a first push rod; 13. a first reinforcing spring; 14. a second reinforcing spring; 15. a screw rod; 16. Accommodating grooves; 17. a slider; 18. a first grinder; 19. a second sander; 20. an electric cutter; 21. an electrostatic dust removal brush; 22. lifting the block; 23. a limiting groove; 25. a motor; 26. a cutting chip lead-out hole; 27. a dust cover; 28. a vacuum cleaner; 29. a conduit; 30. a fixed block; 31. and (5) washing the groove in a V shape.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:

a trimming and polishing device for plastic products comprises a machine body 1, a polishing device and a polishing device, wherein the top of the machine body is provided with a processing groove 2;

the inner wall of the processing tank 2 is provided with a telescopic tank 3;

the clamping mechanism is arranged in the processing tank 2 and is used for clamping and releasing the material;

the telescopic mechanism is arranged in the telescopic groove 3 and is used for pushing the clamping mechanism to move; and

stopper 5 and spacing groove 23, stopper 5 and spacing groove 23 all are provided with two, and two spacing grooves 23 are seted up on flexible groove 3, and two stoppers 5 set up on fixture, and two stoppers 5 slide in two spacing grooves 23.

The embodiment of the utility model provides an in the embodiment, for the example of fig. 3, the setup of processing groove 2 is convenient for hold fixture, two first grinders 18, two second grinders 19 and two electronic cutting sword 20, fixture's setting is realized being used for fixing the material, telescopic machanism's setting is used for promoting fixture, stopper 5 and spacing groove 23 all are provided with two, two spacing grooves 23 are seted up on inner wall about telescopic groove 3, two stopper 5 fixed connection are in both ends about movable block 4, two stopper 5 slide respectively between the upper and lower inner walls of two spacing grooves 23, cooperation through two stopper 5 and spacing groove 23, realize restricting the removal of fixture, carry out the centre gripping to the material through fixture, utilize fixture's removal, make the material pass through two first grinders 18 in proper order in processing groove 2, Two second polisher 19 and two electronic cutting sword 20 carry out earlier the burring, and the corase grind again, and fine grinding at last, reciprocal centre gripping through fixture handles the burr that produces and the in-process edge department produces plastic products, need not the manual work and cuts and polish, can handle the burr in batches, improves production efficiency.

Specifically, please refer to fig. 2-5, the clamping mechanism includes a moving block 4, a sliding groove 6, a first insertion hole 8, two second insertion holes 9, a first spring clip and a second spring clip, the moving block 4 is disposed in the telescopic groove 3, the sliding groove 6 is disposed at the top of the moving block 4, the first insertion hole 8 is disposed on the moving block 4, the first insertion hole 8 is communicated with the sliding groove 6, the first spring clip is disposed on the moving block 4, the two second insertion holes 9 are disposed on the moving block 4, the second spring clip is movably disposed on the moving block 4, the first spring clip includes a first clamping block 7, the second spring clip includes a second clamping block 11, and the second clamping block 11 is matched with the first clamping block 7 to clamp the material.

The utility model discloses an in the concrete embodiment, use fig. 4 as an example, the setting of movable block 4 provides the centre gripping and supports, spout 6 set up be convenient for the activity of first fixture block 7 insert establish, first jack 8 is seted up in the front end of movable block 4, be convenient for insert establish of first push rod 12, first jack 8 and spout 6 are linked together, be convenient for the slip of first spring card inserts and establishes, two second jacks 9 set up on movable block 4, two second jacks 9 are located the both sides of first jack 8 respectively, two second push rods 10 are convenient for insert to establish in the setting of two second jacks 9, be convenient for the slip of second spring card inserts and establishes, position cooperation through first spring card and second spring card, realize the clamp tight and relax of material, be convenient for the material fixed and drop, through quick replacement material, realize the mass operation.

Specifically, referring to fig. 2-5, the first spring clip further includes a first push rod 12 and a first reinforcing spring 13, the first locking block 7 is disposed in the sliding groove 6, the first push rod 12 is movably inserted between the circumferential inner walls of the first insertion hole 8, the first push rod 12 is connected to the first locking block 7, and the first reinforcing spring 13 is sleeved on the circumferential surface of the first push rod 12.

In the embodiment of the present invention, as shown in fig. 5, the first fixture block 7 slides in the sliding slot 6, the first push rod 12 is connected to the first fixture block 7, the first push rod 12 is stretched by the first reinforcing spring 13 to stretch the first fixture block 7, so as to make the first fixture block 7 approach the second fixture block 11, so as to clamp the material, the first fixture block 7 is far away from the second fixture block 11 to loosen the clamping of the material, so as to facilitate the material dropping, the first push rod 12 is pulled out from the first insertion hole 8 by the first reinforcing spring 13, so that the first fixture block 7 moves forward in the sliding slot 6 to clamp the material, meanwhile, the first reinforcing spring 13 applies a backward pushing power to the second fixture block 11, when the sliding block 17 moves to the front end, the moving block 4 moves forward by the sliding block 17, so as to make the first push rod 12 contact with the telescopic slot 3, promote first push rod 12 and push backward, promote first fixture block 7 and move backward, make the clearance increase between first fixture block 7 and the second fixture block 11, be convenient for place the material, realize the material centre gripping.

Specifically, referring to fig. 2-5, the second spring clip further includes two second push rods 10 and two second reinforcing springs 14, the second clip block 11 is sleeved on the circumferential surface of the first push rod 12, the second clip block 11 is located between the moving block 4 and the first reinforcing spring 13, the two second push rods 10 are fixedly connected to the second clip block 11, and the two second reinforcing springs 14 are sleeved on the circumferential surfaces of the two second push rods 10.

The utility model discloses an in the embodiment, use fig. 5 as an example, the first fixture block 7 of second fixture block 11's setting cooperation is realized fixed to the material, the setting of two second push rods 10 is realized carrying out transverse location to second fixture block 11, two second reinforcing spring 14's setting is applyed the backward movement to second fixture block 11, make second fixture block 11 be close to first fixture block 7, the realization is to the centre gripping of material, when slider 17 backward movement to the maximum travel distance in flexible inslot 3, two second push rods 10 offset with two fixed blocks 30 respectively, two second push rods 10 forward movements of reverse promotion, make two second push rods 10 promote second fixture block 11 forward movements, realize removing the centre gripping to the material, the material of being convenient for relaxs.

Specifically, referring to fig. 2, 3 and 5, an accommodating groove 16 is formed in the machine body 1, the accommodating groove 16 is communicated with the telescopic groove 3, the telescopic mechanism includes a screw rod 15, a sliding block 17 and a motor 25, the motor 25 is fixedly connected to the inner wall of the accommodating groove 16, the screw rod 15 is fixedly connected to the output end of the motor 25, the sliding block 17 is sleeved on the circumferential surface of the screw rod 15, and the sliding block 17 is connected with the moving block 4.

The utility model discloses an in the concrete embodiment, use fig. 2 as an example, the offering of holding tank 16 is convenient for hold internals, setting up of motor 25 provides power for this device, step motor is selected to motor 25, be convenient for control rotational speed and moment of torsion, motor 25 is provided with the diversion and delays 5 seconds, be convenient for to the adjustable rotation of lead screw 15, make the controllability that has of this device, normal running fit between lead screw 15 and the slider 17, the realization is to the promotion around slider 17, through the removal that promotes slider 17, drive fixture's removal, make fixture spacing removal, realize the removal of material in processing tank 2, the completion is to the removal of material.

Specifically, referring to fig. 1-2, a dust collector 28 is fixedly connected to the machine body 1, a dust cover 27 is fixedly connected to the top of the machine body 1, a duct 29 is arranged at the upper end of the dust cover 27, one end of the duct 29 is communicated with the dust cover 27, the other end of the duct 29 is communicated with the dust collector 28, and two electrostatic dust removing brushes 21 are arranged in the processing tank 2.

In the embodiment of the present invention, taking fig. 1 as an example, the dust collector 28 is fixedly connected to the right side of the machine body 1, the dust collector 28 is arranged to collect the chips during machining, the dust cover 27 is fixedly connected to the upper end of the machine body 1, the dust collector 28 is arranged on the upper sides of the two first grinders 18, the two second grinders 19 and the two electric cutters 20 to provide a fixed space for the chips during cutting and grinding, so as to facilitate the collection of the chips, the duct 29 is arranged to communicate the dust collector 28 with the dust cover 27, so as to suck the chips scattered in the dust cover 27 into the dust collector 28 through the air flow, the two electrostatic dust removing brushes 21 are arranged to prevent the chips, spill over the inner space of dust cover 27 at the in-process that the material removed, through the collection to the clastic, reduce dustproof in the air, reduce the pollution to the air, avoid influencing staff's healthy.

Specifically, referring to fig. 1 to 3 and fig. 5, two fixing blocks 30 are fixedly connected to the inner wall of the telescopic slot 3, the two fixing blocks 30 are matched with the two second push rods 10, two raising blocks 22 are fixedly connected to the inner wall of the processing slot 2, and the two raising blocks 22 correspond to the two fixing blocks 30.

The utility model discloses an in the concrete embodiment, use figure 2 as an example, two fixed blocks 30 of fixedly connected with on the inner wall of flexible groove 3, two fixed block 30's setting realize carrying out reverse push to two second push rods 10, two fixed blocks 30 respectively with two second push rods 10 phase-matches, at the in-process that fixture removed, raise the piece 22 through two and lift up the material, realize taking off the material fast.

Specifically, referring to fig. 3 and 5, a V-shaped flushing groove 31 is disposed in the accommodating groove 16, a cutting chip outlet 26 is formed on the surface of the machine body 1, and the cutting chip outlet 26 corresponds to the lowest point of the inner groove of the V-shaped flushing groove 31.

The utility model discloses an in the embodiment, V type scouring groove 31 set up the realization and hold the big piece of suction not, and the piece eduction gear outside in V type scouring groove 31 is convenient for with offering of cutting bits eduction hole 26, and V type scouring groove 31 is fixed in holding tank 16's lower inner wall, and the piece in V type scouring groove 31 is washd to the water of being convenient for, makes things convenient for the piece of the inside accumulation of belt cleaning device.

Specifically, referring to fig. 2, 3 and 5, two first grinders 18, two second grinders 19 and two electric cutting blades 20 are mounted on the inner wall of the processing tank 2.

In the embodiment of the present invention, two first grinders 18, two second grinders 19 and two electric cutting blades 20 are installed on the same horizontal plane, and can remove burrs from the corners of the material, such as rough grinding and fine grinding, and the two first grinders 18, two second grinders 19 and two electric cutting blades 20 all have adjustability, and can adjust for different materials, thereby increasing the practicability of the device.

The utility model provides a pair of a deburring grinding device for plastic products's theory of operation:

when the device is not used, the clamping device is stopped at the rightmost side in the telescopic groove 3, the device is started, as the motor 25 has delay time of 5 seconds, materials are placed between the second clamping block 11 and the first clamping block 7 within 5 seconds, the guide pipe 29 is arranged to be communicated with the dust collector 28 and the dust cover 27, chips scattered in the dust cover 27 are sucked into the dust collector 28 through air flow, the two electrostatic dust removing brushes 21 are arranged to prevent the chips from overflowing out of the inner space of the dust cover 27 in the material moving process, dust prevention in air is reduced through collection of the chips, pollution to air is reduced, influence on the body health of workers is avoided, the movable block 4 moves forwards through the sliding block 17, the first push rod 12 is in contact with the telescopic groove 3, the first push rod 12 is pushed backwards, the first clamping block 7 is pushed backwards, and the gap between the first clamping block 7 and the second clamping block 11 is increased, be convenient for place the material, realize the blowing centre gripping, when slider 17 backward moves to the maximum displacement distance in flexible inslot 3, two second push rods 10 offset with two fixed blocks 30 respectively, two second push rods 10 forward movements of reverse promotion, make two second push rods 10 promote second fixture block 11 and move forward, remove the centre gripping to the material, change through the position relation between first fixture block 7 and the second fixture block 11, thereby to the clamp of material with relax, realize removing the centre gripping to the material, produce the burr that produces with the course of working in edge department to plastic products and handle, need not the manual work and cut and polish, can handle in batches, and the production efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An edge trimming and grinding apparatus for plastic articles, comprising:

the top of the machine body (1) is provided with a processing groove (2), and the inner wall of the processing groove (2) is provided with a telescopic groove (3);

the clamping mechanism is arranged in the processing tank (2), and the clamping mechanism is arranged to clamp and release materials;

the telescopic mechanism is arranged in the telescopic groove (3) and used for pushing the clamping mechanism to move; and

stopper (5) and spacing groove (23), stopper (5) and spacing groove (23) all are provided with two, two spacing groove (23) are seted up on flexible groove (3), two stopper (5) set up on fixture, two stopper (5) slide in two spacing grooves (23).

2. The trimming and grinding device for plastic products according to claim 1, wherein the clamping mechanism comprises a moving block (4), a sliding groove (6), a first jack (8), two second jacks (9), a first spring clip and a second spring clip, the moving block (4) is arranged in the telescopic groove (3), the sliding groove (6) is arranged at the top of the moving block (4), the first jack (8) is arranged on the moving block (4), the first jack (8) is communicated with the sliding groove (6), the first spring clip is arranged on the moving block (4), the two second jacks (9) are arranged on the moving block (4), the second spring clip is movably arranged on the moving block (4), the first spring clip comprises a first clamping block (7), and the second spring clip comprises a second clamping block (11), and the second fixture block (11) is matched with the first fixture block (7) to clamp the material.

3. The trimming and polishing device for plastic products according to claim 2, wherein the first spring clip further comprises a first push rod (12) and a first reinforcing spring (13), the first clamping block (7) is arranged in the sliding groove (6), the first push rod (12) is movably inserted between the circumferential inner walls of the first insertion hole (8), the first push rod (12) is connected with the first clamping block (7), and the first reinforcing spring (13) is sleeved on the circumferential surface of the first push rod (12).

4. The trimming and polishing device for plastic products according to claim 3, wherein the second spring clip further comprises two second push rods (10) and two second reinforcing springs (14), the second clip block (11) is sleeved on the circumferential surface of the first push rod (12), the second clip block (11) is located between the moving block (4) and the first reinforcing spring (13), the two second push rods (10) are fixedly connected to the second clip block (11), and the two second reinforcing springs (14) are sleeved on the circumferential surfaces of the two second push rods (10).

5. The trimming and grinding device for plastic products according to claim 4, wherein a holding groove (16) is formed in the machine body (1), the holding groove (16) is communicated with the telescopic groove (3), the telescopic mechanism comprises a lead screw (15), a sliding block (17) and a motor (25), the motor (25) is fixedly connected to the inner wall of the holding groove (16), the lead screw (15) is fixedly connected to the output end of the motor (25), the sliding block (17) is sleeved on the circumferential surface of the lead screw (15), and the sliding block (17) is connected with the moving block (4).

6. The trimming and grinding device for plastic products according to claim 5, characterized in that a dust collector (28) is fixedly connected to the machine body (1), a dust cover (27) is fixedly connected to the top of the machine body (1), a conduit (29) is arranged at the upper end of the dust cover (27), one end of the conduit (29) is communicated with the dust cover (27), the other end of the conduit (29) is communicated with the dust collector (28), and two electrostatic dust removing brushes (21) are arranged in the processing tank (2).

7. The trimming and grinding device for plastic products according to claim 6, characterized in that two fixed blocks (30) are fixedly connected to the inner wall of the telescopic groove (3), the two fixed blocks (30) are matched with the two second push rods (10), two lifting blocks (22) are fixedly connected to the inner wall of the processing groove (2), and the two lifting blocks (22) correspond to the two fixed blocks (30).

8. The trimming and grinding device for plastic products according to claim 7, characterized in that a V-shaped punching groove (31) is arranged in the accommodating groove (16), a cutting chip leading-out hole (26) is formed on the surface of the machine body (1), and the cutting chip leading-out hole (26) corresponds to the lowest point of the inner groove of the V-shaped punching groove (31).

9. An edging and grinding device for plastic products according to claim 8, characterized in that said processing tank (2) has mounted on its inner wall two first grinders (18), two second grinders (19) and two electric cutting blades (20).