CN115674503B

CN115674503B - Injection molding waste treatment device

Info

Publication number: CN115674503B
Application number: CN202211718144.1A
Authority: CN
Inventors: 柳春; 姚先知
Original assignee: Suzhou Mixiang Intelligent Manufacturing Co ltd
Current assignee: Suzhou Mixiang Intelligent Manufacturing Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-04
Anticipated expiration: 2042-12-30
Also published as: CN115674503A

Abstract

The invention discloses a waste treatment device for injection molding parts, and relates to the technical field of waste treatment. According to the invention, through the arrangement of the swinging air guide mechanism, the swinging air guide mechanism is matched with the rotating air suction unit, the driving shaft drives the rotating fan blade to rotate and can suck air, so that powder can be sucked into the electric heating wire net through the connecting pipe, the wind can drive the rotating blade to rotate through the connecting pipe, the rotating blade rotates and drives the rotating shaft, the rotating disc and the cylindrical block to rotate, the cylindrical block rotates and drives the T-shaped sliding rod and the fixed column to reciprocate, the fixed column reciprocates and drives the swinging rod, the fixed shaft and the air guide plate to reciprocate, the air guide plate which reciprocates and swings can drive the wind to uniformly blow to the electric heating wire net, and then the injection molding powder can be uniformly guided into the electric heating wire net, so that the injection molding powder can be timely and effectively treated.

Description

Injection molding waste treatment device

Technical Field

The invention relates to the technical field of waste treatment, in particular to an injection molding waste treatment device.

Background

The injection molding part refers to various injection molding products produced by an injection molding machine, and is commonly called injection molding parts, and comprises various packages, parts and the like. The injection molding part is mainly prepared from materials such as polyethylene or polypropylene and various organic solvents, the injection molding part has waste in the processing process, and most of the waste is treated by crushing.

Chinese patent publication No. CN109954746A discloses a medical waste treatment device, which comprises a feeding mechanism, a crushing tank, a steam generator and a bottom plate, wherein the lower end surface of the bottom plate is fixedly provided with rollers, the left end of the bottom plate is fixedly provided with a handle, the upper end surface center of the bottom plate is fixedly provided with the crushing tank, and the left side surface of the crushing tank is fixedly provided with the feeding mechanism near the upper end position.

However, the invention has the following disadvantages: present injection molding discarded object need smash the discarded object at the processing procedure, can produce plastic powder at crushing in-process, and most will collect plastic powder earlier, then carry out centralized processing to plastic powder, because the powder quality is light easily to be scattered in the air, lead to plastic powder not to carry out timely effectual processing, and then make the plastic powder of collection scatter easily in the air and cause the pollution to the air.

Disclosure of Invention

The invention aims to provide a waste treatment device for injection molding parts, which aims to solve the problems in the background technology.

The technical scheme of the invention is as follows: the injection molding waste treatment device comprises a crushing box, a heating box and a connecting pipe, wherein the top of the crushing box is fixedly communicated with a feeding box, the bottom of the crushing box is fixedly communicated with the heating box, and the connecting pipe is fixedly communicated with one side of the heating box and one side of the crushing box;

the electric heating wire mesh is fixedly connected to the inside of the heating box;

the feeding mechanism is positioned on the feeding box and is used for feeding the injection molding waste;

the blowing and crushing mechanism is positioned on the crushing box and is used for fully crushing the injection molding waste;

the swinging air guide mechanism is positioned on the connecting pipe and is used for uniformly guiding the scraps;

the swing air guide mechanism comprises fixed holes formed in the connecting pipe, arc-shaped shells are fixedly connected in the fixed holes, rotating holes are formed in the inner walls of the two sides of each arc-shaped shell, two rotating holes are connected with rotating shafts in a rotating mode, rotating blades are fixedly sleeved on the rotating shafts and extend into the connecting pipe, movable holes are formed in the inner walls of the two sides of the bottom end of the connecting pipe, rotating fixed shafts are rotatably connected in the two movable holes, air deflectors are fixedly sleeved on the fixed shafts and located at the air outlet ends of the connecting pipe, swinging rods are fixedly connected to one ends of the fixed shafts, strip-shaped holes are formed in one sides of the swinging rods, sliding holes are formed in the inner wall of one side of the heating box, T-shaped sliding rods are connected in the sliding holes in a sliding mode, fixed columns are fixedly connected to one ends of the T-shaped sliding rods, one ends of the fixed columns extend into the strip-shaped holes, vertical strip-shaped holes are formed in the side walls of the other ends of the T-shaped sliding rods, turnplates are fixedly connected with turntables, cylindrical blocks are eccentrically and fixedly connected to one ends of the turntables, and the cylindrical blocks extend into the vertical strip-shaped holes.

Preferably, the electric heating wire mesh is in a V shape, and the air deflector is positioned above the electric heating wire mesh.

Preferably, the crushing mechanism of blowing is including rotating the unit and the crushing unit of induced drafting, rotate the unit of induced drafting include fixed connection in the driving motor who smashes case one side, driving motor's output has the drive shaft through the coupling joint, the mounting hole has been seted up to one side inner wall of smashing the case, the one end of drive shaft runs through the mounting hole and extends to in the connecting tube, the one end fixedly connected with of drive shaft rotates the flabellum, it is located to rotate the flabellum in the connecting tube.

Preferably, the driving shaft is fixedly sleeved with an installation frame, and two ends of the installation frame are fixedly connected to the inner wall of the connecting pipe.

Preferably, the inner wall of the crushing box is fixedly connected with a filter cartridge, the filter cartridge is rotatably sleeved on the driving shaft, a plurality of crushing knives are uniformly and fixedly connected to the length direction of the driving shaft, and the plurality of crushing knives are all positioned in the filter cartridge.

Preferably, an air inlet hole is formed in the inner wall of one side of the crushing box, and a dust screen is fixedly connected in the air inlet hole.

Preferably, feed mechanism is including rotating feeding unit and reciprocal swing unit, it includes fixed connection in to rotate the feeding unit the rotation motor of one side of feeding case, the output of rotating the motor has the dwang through the coupling joint, the both sides inner wall of feeding case is fixed and has been seted up rotatory hole, the one end of dwang runs through two in proper order rotatory hole and fixedly connected with fixed disk, a plurality of feed plates of even fixedly connected with on the cylinder lateral wall of dwang.

Preferably, reciprocal swing unit is including seting up in the swing hole of feeding case both sides inner wall, per two swing downthehole common rotation is connected with the rotary rod, two fixed cover on the rotary rod has connect the stock guide, two equal key-type connection has the gear on the rotary rod, two the gear meshes mutually, one of them the one end fixedly connected with installation pole of rotary rod, the top of installation pole is rotated and is connected with the connecting rod, the top fixedly connected with erection column of connecting rod, the one end off-centre of erection column rotate connect in one side of fixed disk.

Preferably, a plurality of strip seams are formed in the length direction of the feeding plate, a plurality of cutters are uniformly and fixedly connected to the inner wall of one side of the feeding box, and the plurality of cutters are matched with the plurality of strip seams respectively.

The invention provides a waste treatment device for injection molding parts through improvement, which has the following improvement and advantages compared with the prior art:

one is as follows: according to the invention, through the arrangement of the swinging air guide mechanism, the swinging air guide mechanism is matched with the rotating air suction unit, the driving shaft rotates to drive the rotating fan blades to rotate, air suction can be carried out through the rotation of the rotating fan blades, powder can be sucked into the rotating fan blades and blown into the electric heating wire net through the connecting pipe, the wind can drive the rotating blades to rotate through the connecting pipe, the rotating blades rotate to drive the rotating shaft, the rotating disc and the cylindrical block to rotate, the cylindrical block rotates to drive the T-shaped sliding rod and the fixed column to reciprocate, the fixed column reciprocates to drive the swinging rod, the fixed shaft and the air guide plate to reciprocate, the air guide plate which reciprocates can drive the wind to uniformly blow to the electric heating wire net, and then the injection molding powder can be uniformly guided into the electric heating wire net, so that the injection molding powder can be timely and effectively treated.

And the second step is as follows: according to the invention, through the arrangement of the crushing unit, the injection molding waste is placed in the feeding box, so that the waste enters the filter cylinder through the feeding box, the driving motor drives the driving shaft and the crushing knife to rotate, the crushing knife rotates at a high speed to crush the injection molding waste entering the filter cylinder, so that the fully crushed injection molding waste can be discharged through the filter holes of the filter cylinder, and then falls on the electric heating wire net to be melted and then discharged, and the injection molding waste is fully crushed.

And thirdly: according to the invention, through the arrangement of the feeding mechanism, the rotating motor drives the rotating rod and the feeding plates to rotate, and as every two adjacent feeding plates can be combined into a V-shaped hopper with the same size, so that the injection molding waste can be quantitatively fed, and the V-shaped hopper drives the injection molding waste to rotate and be cut off by the cutter when passing through the cutter, the injection molding waste can be cut and pre-crushed in the feeding process of the injection molding waste, the two rotating rods drive the material guide plates to simultaneously swing in a reciprocating manner, so that the swinging material guide plates can fully disperse the injection molding waste, the contact area of the injection molding waste and the filter cylinder is increased, and the crushing effect on the injection molding waste is improved.

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 schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of another perspective overall structure of the present invention;

FIG. 3 is a schematic view of the internal three-dimensional structure of the heating and pulverizing box of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic perspective view of the interior of the arcuate housing of the present invention;

FIG. 6 is a schematic perspective view of the interior of the feed box of the present invention;

FIG. 7 is a schematic perspective view of a feeding mechanism according to the present invention;

fig. 8 is a schematic sectional three-dimensional structure of the air blowing and crushing mechanism in the invention.

Reference numerals:

1. a crushing box; 101. a drive motor; 102. a drive shaft; 103. a crushing knife; 104. a filter cartridge; 105. rotating the fan blades; 106. a mounting frame; 107. a dust screen; 2. a heating box; 201. an electric heating wire mesh; 3. a connecting pipe; 301. an arc-shaped housing; 302. a rotating shaft; 303. rotating the leaf; 304. a turntable; 305. a cylindrical block; 306. a T-shaped slide bar; 307. fixing the column; 308. a swing lever; 309. a fixed shaft; 310. an air deflector; 4. a feeding box; 401. rotating the motor; 402. rotating the rod; 403. a feeding plate; 404. a strip seam; 405. a cutter; 406. fixing the disc; 407. mounting a column; 408. a connecting rod; 409. mounting a rod; 410. rotating the rod; 411. a gear; 412. a material guide plate.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, 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.

The invention provides a waste treatment device for injection molding parts through improvement, and the technical scheme of the invention is as follows:

as shown in fig. 1 to 8, an embodiment of the present invention provides an injection molding waste treatment apparatus, including a pulverizing tank 1, a feeding tank 4 fixedly communicated with the top of the pulverizing tank 1, a heating tank 2 fixedly communicated with the bottom of the pulverizing tank 1, and a connecting pipe 3 fixedly communicated with one side of the heating tank 2 and one side of the pulverizing tank 1;

the electric heating wire mesh 201, the electric heating wire mesh 201 is fixedly connected to the inside of the heating box 2;

the feeding mechanism is positioned on the feeding box 4 and is used for feeding the injection molding waste;

the blowing and crushing mechanism is positioned on the crushing box 1 and is used for fully crushing the injection molding waste;

the swinging air guide mechanism is positioned on the connecting pipe 3 and is used for uniformly guiding the scraps;

the swing air guide mechanism comprises a fixed hole formed in the connecting pipe 3, an arc-shaped shell 301 is fixedly connected in the fixed hole, rotating holes are formed in the inner walls of two sides of the arc-shaped shell 301, a rotating shaft 302 is connected in the two rotating holes in a rotating mode, a rotating blade 303 is fixedly sleeved on the rotating shaft 302 and extends into the connecting pipe 3, movable holes are formed in the inner walls of two sides of the bottom end of the connecting pipe 3, a rotating fixed shaft 309 is connected in the two movable holes in a rotating mode, an air deflector 310 is fixedly sleeved on the fixed shaft 309 and is located at the air outlet end of the connecting pipe 3, a swinging rod 308 is fixedly connected to one end of the fixed shaft 309, a strip-shaped hole is formed in one side of the swinging rod 308, a sliding hole is formed in the inner wall of one side of the heating box 2, a T-shaped sliding rod 306 is connected in the sliding hole in a sliding mode, a fixed column 307 is fixedly connected to one end of the T-shaped sliding rod 306, one end of the fixed column 307 extends into the strip-shaped hole, a vertical strip-shaped hole is formed in the side wall of the T-shaped sliding rod 306, a rotary shaft 302 is fixedly connected with a rotary disk 304, a cylindrical block 305 eccentrically and one end of the cylindrical block 305 extends into the vertical strip-shaped hole; through the setting of swing air guide mechanism, the crushing mechanism of blowing can provide power for swing air guide mechanism, and then drives swivel leaf 303 and rotate for swivel leaf 303 drives aviation baffle 310 and carries out reciprocating swing, and aviation baffle 310 that has realized reciprocating swing can drive wind and evenly blow to electric heat silk screen 201, and then can evenly lead to electric heat silk screen 201 with the injection molding powder on, and then can in time effectually handle the injection molding powder.

Further, the electric heating wire mesh 201 is shaped like a 'V', and the air deflector 310 is positioned above the electric heating wire mesh 201; through the setting of electric heat silk screen 201, because electric heat silk screen 201 becomes "V font", make electric heat silk screen 201 have the slope, realized that the injection molding discarded object drips more easily after electric heat silk screen 201 melts, cooperation aviation baffle 310 is bloied electric heat silk screen 201, has improved the speed that the injection molding discarded object that melts drips.

Furthermore, the blowing and crushing mechanism comprises a rotary air suction unit and a crushing unit, the rotary air suction unit comprises a driving motor 101 fixedly connected to one side of the crushing box 1, the output end of the driving motor 101 is connected with a driving shaft 102 through a coupler, the inner wall of one side of the crushing box 1 is provided with a mounting hole, one end of the driving shaft 102 penetrates through the mounting hole and extends into the connecting pipe 3, one end of the driving shaft 102 is fixedly connected with a rotary fan blade 105, and the rotary fan blade 105 is positioned in the connecting pipe 3; through the setting of the crushing mechanism of blowing, driving motor 101 drives drive shaft 102 and rotation flabellum 105 to rotate, and rotation flabellum 105 rotates and can induced draft, has realized inhaling injection molding discarded object powder and insufflate the electric heat silk screen 201 through connecting pipe 3 and go on handling.

Further, the driving shaft 102 is fixedly sleeved with an installation frame 106, and two ends of the installation frame 106 are fixedly connected to the inner wall of the connecting pipe 3; through the arrangement of the mounting frame 106, the stability of the driving shaft 102 is improved, and the driving shaft 102 can stably rotate at a high speed.

Further, the inner wall of the crushing box 1 is fixedly connected with a filter cartridge 104, the filter cartridge 104 is rotatably sleeved on the driving shaft 102, a plurality of crushing knives 103 are uniformly and fixedly connected to the length direction of the driving shaft 102, and the crushing knives 103 are all positioned in the filter cartridge 104; through the setting of a plurality of crushing sword 103, drive shaft 102 rotates and drives a plurality of crushing sword 103 and carry out high-speed the rotation simultaneously, because a plurality of crushing sword 103 evenly distributed are in the length direction of cartridge filter 104, has realized that the efficient smashes the injection molding discarded object that gets into in the cartridge filter 104.

Further, an air inlet hole is formed in the inner wall of one side of the crushing box 1, and a dust screen 107 is fixedly connected in the air inlet hole; through the setting of dust screen 107, played dirt-proof effect, effectually avoided the dust to get into crushing case 1 in.

Further, the feeding mechanism comprises a rotary feeding unit and a reciprocating swing unit, the rotary feeding unit comprises a rotary motor 401 fixedly connected to one side of the feeding box 4, the output end of the rotary motor 401 is connected with a rotary rod 402 through a coupler, rotary holes are fixedly formed in the inner walls of two sides of the feeding box 4, one end of the rotary rod 402 sequentially penetrates through the two rotary holes and is fixedly connected with a fixed disk 406, and a plurality of feeding plates 403 are uniformly and fixedly connected to the outer cylindrical wall of the rotary rod 402; through feed mechanism's setting, rotate motor 401 and drive dwang 402 and feed plate 403 and rotate, because every two adjacent feed plate 403 can make up into "V font" hopper of equidimension, realized carrying out ration feeding to the injection molding discarded object.

Further, the reciprocating swing unit comprises swing holes formed in the inner walls of the two sides of the feeding box 4, each two swing holes are connected with a rotating rod 410 in a rotating mode, the two rotating rods 410 are fixedly sleeved with a material guide plate 412, the two rotating rods 410 are connected with gears 411 in a key mode, the two gears 411 are meshed with each other, one end of one rotating rod 410 is fixedly connected with an installation rod 409, the top end of the installation rod 409 is connected with a connecting rod 408 in a rotating mode, the top end of the connecting rod 408 is fixedly connected with an installation column 407, and one end of the installation column 407 is connected to one side of the fixed disk 406 in an eccentric rotating mode; through the setting of reciprocal swing unit for two rotary rods 410 drive stock guide 412 and carry out reciprocal swing simultaneously, have realized that swing stock guide 412 can fully disperse the injection molding discarded object, have increased the area of contact of injection molding discarded object with cartridge filter 104, improve the crushing effect to the injection molding discarded object.

Further, a plurality of strip-shaped slits 404 are formed in the plurality of feeding plates 403 in the length direction, a plurality of cutters 405 are uniformly and fixedly connected to the inner wall of one side of the feeding box 4, and the plurality of cutters 405 are respectively matched with the plurality of strip-shaped slits 404; through the setting of a plurality of cutters 405, "V font" hopper drives the injection molding discarded object and rotates when passing through cutter 405, can be cut off by cutter 405, has realized carrying out precomminution to the injection molding discarded object cutting.

The method comprises the following specific implementation steps: the injection molding waste is put into the feeding box 4, so that the waste enters the filter cylinder 104 through the feeding box 4, the driving motor 101 drives the driving shaft 102 and the crushing knife 103 to rotate, the crushing knife 103 rotates at a high speed to crush the injection molding waste entering the filter cylinder 104, the fully crushed injection molding waste can be discharged through the filter holes of the filter cylinder 104, and then falls on the electric heating wire mesh 201 to be melted and discharged, the driving shaft 102 rotates to drive the rotating fan blades 105 to rotate, the rotating fan blades 105 rotate to suck air, powder can be generated in the crushing process of the injection molding waste, the rotating fan blades 105 can suck the powder and blow the powder into the electric heating wire mesh 201 through the connecting pipe 3, the air drives the rotating blades 303 to rotate through the connecting pipe 3, the rotating blades 303 rotate to drive the rotating shaft 302 and the rotating disc 304 to rotate, the rotating disc 304 rotates to drive the cylindrical blocks 305 to circumferentially rotate, the cylindrical blocks 305 rotate to drive the T-shaped sliding rods 306 and the fixed columns 307 to reciprocate, the fixed columns 307 drive the swinging rods 308, the air deflectors 309 and the air deflectors 310 to reciprocate, and the air deflectors 310 to blow the air guide the air to the electric heating wire mesh 201 uniformly, and further, and the electric heating wire mesh 201 can be treated effectively.

The rotating motor 401 drives the rotating rod 402 and the feeding plates 403 to rotate, because every two adjacent feeding plates 403 can be combined into a V-shaped hopper with the same size, and further quantitative feeding can be performed on injection molding waste, when the V-shaped hopper drives the injection molding waste to rotate through the cutter 405, the injection molding waste can be cut off by the cutter 405, so that in the feeding process of the injection molding waste, the injection molding waste can be cut and pre-crushed, the pre-crushed injection molding waste can fall into the filter cartridge 104 through the guide plates 412, the rotating rod 402 rotates to drive the fixed disk 406 to rotate, the fixed disk 406 rotates to drive the mounting column 407 to perform circumferential rotation, the mounting column 407 drives one of the rotating rods 410 to perform reciprocating swing through the connecting rod 408, under the action of the two gears 411, the two rotating rods 410 drive the guide plates 412 to perform reciprocating swing simultaneously, the swinging guide plates 412 can fully disperse the injection molding waste, the contact area between the injection molding waste and the filter cartridge 104 is increased, and the crushing effect on the injection molding waste is improved.

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

1. The utility model provides an injection molding waste treatment device, includes crushing case (1), its characterized in that: the top of the crushing box (1) is fixedly communicated with a feeding box (4), the bottom of the crushing box (1) is fixedly communicated with a heating box (2), and the heating box (2) is fixedly communicated with one side of the crushing box (1) through a connecting pipe (3);

the electric heating wire mesh (201), the electric heating wire mesh (201) is fixedly connected to the inside of the heating box (2);

the feeding mechanism is positioned on the feeding box (4) and is used for feeding the injection molding waste;

the blowing and crushing mechanism is positioned on the crushing box (1) and is used for fully crushing the injection molding waste;

the swinging air guide mechanism is positioned on the connecting pipe (3) and is used for uniformly guiding the scraps;

the swing air guide mechanism comprises fixing holes formed in the connecting pipe (3), an arc-shaped shell (301) is fixedly connected in each fixing hole, rotating holes are formed in the inner walls of two sides of the arc-shaped shell (301), two rotating holes are jointly and rotatably connected with a rotating shaft (302), a rotating blade (303) is fixedly sleeved on each rotating shaft (302), each rotating blade (303) extends into the connecting pipe (3), movable holes are formed in the inner walls of two sides of the bottom end of the connecting pipe (3), a rotating fixing shaft (309) is rotatably connected in each movable hole, an air guide plate (310) is fixedly sleeved on each fixing shaft (309), the air guide plate (310) is located at the air outlet end of the connecting pipe (3), a swinging rod (308) is fixedly connected to one end of each fixing shaft (309), a strip-shaped hole is formed in one side of each swinging rod (308), a sliding hole is formed in the inner wall of one side of the heating box (2), a T-shaped sliding rod (306) is slidably connected in each sliding hole, a T-shaped sliding rod (306) is fixedly connected to one end of each sliding rod (306), a fixing column (307) is fixedly connected to one end of each rotating shaft, one eccentric rotary disc (304) is connected to one side of the rotating disc (304), and a rotary disc (304) is provided with a strip-shaped fixing hole formed in each rotating shaft (306), one end of cylinder piece (305) extends in the vertical strip hole, the shape of electric heat silk screen (201) is established to "V font", aviation baffle (310) are located the top of electric heat silk screen (201), the rubbing crusher that bloies is including rotating induced draft unit and crushing unit, it includes fixed connection in to rotate induced draft unit driving motor (101) of crushing case (1) one side, driving motor's (101) output has drive shaft (102) through the coupling joint, the mounting hole has been seted up to one side inner wall of crushing case (1), the one end of drive shaft (102) is run through the mounting hole and is extended to in connecting pipe (3), the one end fixedly connected with of drive shaft (102) rotates flabellum (105), it is located to rotate flabellum (105) in connecting pipe (3).

2. The waste disposal device for injection-molded parts as claimed in claim 1, wherein: the driving shaft (102) is fixedly sleeved with an installation frame (106), and two ends of the installation frame (106) are fixedly connected to the inner wall of the connecting pipe (3).

3. The waste disposal device for injection-molded parts as claimed in claim 2, wherein: the inner wall of the crushing box (1) is fixedly connected with a filter cylinder (104), the filter cylinder (104) is rotatably sleeved on a driving shaft (102), a plurality of crushing knives (103) are uniformly and fixedly connected to the length direction of the driving shaft (102), and the crushing knives (103) are all located in the filter cylinder (104).

4. The injection molded part waste disposal device of claim 3, wherein: an air inlet hole is formed in the inner wall of one side of the crushing box (1), and a dust screen (107) is fixedly connected in the air inlet hole.

5. The injection molded part waste disposal device of claim 1, wherein: feed mechanism is including rotating feeding unit and reciprocal swing unit, it includes fixed connection in to rotate feeding unit the rotation motor (401) of one side of feeding case (4), the output of rotating motor (401) has dwang (402) through the coupling joint, the both sides inner wall of feeding case (4) is fixed and has been seted up rotatory hole, the one end of dwang (402) runs through two in proper order rotatory hole and fixedly connected with fixed disk (406), a plurality of feed plates of even fixedly connected with (403) on the cylinder lateral wall of dwang (402).

6. The waste disposal device for injection-molded parts as claimed in claim 5, wherein: reciprocal swing unit is including seting up in the swing hole of feeding case (4) both sides inner wall, per two swing downthehole joint rotation is connected with rotary rod (410), two fixed cover is connected with stock guide (412), two on rotary rod (410) equal key-type connection has gear (411), two gear (411) meshes mutually, one of them the one end fixedly connected with installation pole (409) of rotary rod (410), the top of installation pole (409) is rotated and is connected with connecting rod (408), the top fixedly connected with erection column (407) of connecting rod (408), the one end eccentric rotation of erection column (407) connect in one side of fixed disk (406).

7. The injection molded part waste disposal device of claim 6, wherein: a plurality of strip seams (404) have all been seted up to the length direction of a plurality of feed plate (403), the even fixedly connected with of one side inner wall of feed box (4) is a plurality of cutters (405), and is a plurality of cutter (405) respectively with a plurality of strip seam (404) looks adaptation.