CN211160693U - Macromolecular material clout rubbing crusher - Google Patents
Macromolecular material clout rubbing crusher Download PDFInfo
- Publication number
- CN211160693U CN211160693U CN201920985948.5U CN201920985948U CN211160693U CN 211160693 U CN211160693 U CN 211160693U CN 201920985948 U CN201920985948 U CN 201920985948U CN 211160693 U CN211160693 U CN 211160693U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- plate
- cleaning box
- polymer material
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000012216 screening Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 239000002861 polymer material Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 13
- 230000010405 clearance mechanism Effects 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 244000309464 bull Species 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229920005615 natural polymer Polymers 0.000 description 3
- 229920001059 synthetic polymer Polymers 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model relates to a crushing apparatus technical field, and a macromolecular material clout rubbing crusher is disclosed, including the rubbing crusher body, the equal fixedly connected with supporting leg in bottom four corners department of rubbing crusher body, the bottom fixedly connected with cleaning box of rubbing crusher body, cleaning box's left side fixedly connected with dust clearance mechanism, the discharge gate has been seted up to cleaning box's bottom, common fixedly connected with backup pad between a plurality of supporting legs, the bottom fixedly connected with screening mechanism of backup pad, the upper surface swing joint of backup pad has the collecting box of two symmetric distributions, the recess corresponding with the collecting box has been seted up to the upper surface of backup pad, and the recess internal rotation is connected with fixture. The utility model discloses can conveniently clear up the dust in the macromolecular material after smashing, and can conveniently filter the macromolecular material that does not smash completely, can conveniently carry out the centre gripping to the collecting box simultaneously, avoid it to rock.
Description
Technical Field
The utility model relates to a crushing apparatus technical field especially relates to a macromolecular material clout rubbing crusher.
Background
The polymer material is a material composed of a polymer compound as a matrix and other additives, and is classified into natural polymer materials and synthetic polymer materials according to the source, and the natural polymer is a polymer substance existing in animals, plants and organisms and can be classified into natural fibers, natural resins, natural rubber, animal glue and the like. The synthetic polymer material mainly refers to three synthetic materials of plastic, synthetic rubber and synthetic fiber, and also comprises adhesive, paint and various functional polymer materials. The synthetic polymer material has the properties which are not possessed by natural polymer materials or are superior, namely, lower density, higher mechanics, wear resistance, corrosion resistance, electrical insulation and the like.
The clout of current macromolecular material can produce a large amount of dusts when smashing, when the dust distributes the air, causes the influence to staff's safety and health easily, and when smashing, smashes not enough evenly, can't filter it to influence macromolecular material's crushing quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art macromolecular material's clout when smashing, can produce a large amount of dusts when smashing, when the dust distributes the air, cause the influence to staff's safety and health easily, and when smashing, smash not enough evenly, can't filter it to influence the problem of macromolecular material crushing quality, and the macromolecular material clout rubbing crusher that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a macromolecular material clout rubbing crusher, includes the rubbing crusher body, the equal fixedly connected with supporting leg in bottom four corners department of rubbing crusher body, the bottom fixedly connected with cleaning box of rubbing crusher body, cleaning box's left side fixedly connected with dust clearance mechanism, the discharge gate has been seted up, and is a plurality of to cleaning box's bottom common fixedly connected with backup pad between the supporting leg, the bottom fixedly connected with screening mechanism of backup pad, the upper surface swing joint of backup pad has the collecting box of two symmetric distributions, the recess corresponding with the collecting box has been seted up to the upper surface of backup pad, and the recess internal rotation is connected with fixture.
Preferably, dust clearance mechanism includes the first rotating electrical machines with cleaning box left side fixed connection, shaft coupling fixedly connected with puddler is passed through to the output of first rotating electrical machines, the one end that first rotating electrical machines was kept away from to the puddler is passed through antifriction bearing and is connected with the left side inner wall rotation of cleaning box, the stirring leaf of a plurality of symmetric distributions of outer wall fixedly connected with of puddler, cleaning box's right side fixedly connected with shunt tubes, the dust absorption pipe that the left side fixedly connected with of shunt tubes and cleaning box are linked together, the fixed intercommunication in one side that dust absorption pipe was kept away from to the shunt tubes has the ventilation pipe, fixedly connected with fan in the ventilation pipe, the fixed intercommunication in one side that the shunt tubes was kept away from to the ventilation pipe has the dust removal pipe.
Preferably, a triangular material guide block is fixedly connected in the cleaning box.
Preferably, screening mechanism includes the second rotating electrical machines with backup pad bottom fixed connection, the output fixedly connected with cam of second rotating electrical machines, the top accordant connection of cam has the nose bar, the through-hole corresponding with the cam is seted up on the surface of backup pad, the outer wall fixedly connected with fixed plate of nose bar, the reset spring of two symmetric distributions of top fixedly connected with of fixed plate, two reset spring keeps away from the common fixedly connected with stripper plate of one end of fixed plate, the one end fixedly connected with screening plate of cam is kept away from to the nose bar, the opening of two symmetric distributions is seted up on the surface of screening plate, and the screen cloth of opening fixedly connected with different aperture sizes.
Preferably, the surface of the extrusion plate is provided with a through hole corresponding to the protruding rod, and a directional shaft sleeve is fixedly connected in the through hole.
Preferably, the upper surface of backup pad fixedly connected with bracing piece of two symmetric distributions, the equal fixedly connected with slider in the left and right sides of fixed plate, two the spout with slider accordant connection is all seted up to the relative one side of bracing piece.
Preferably, fixture includes the bull stick of being connected with the recess rotation, the outer wall fixedly connected with two symmetric distribution's of bull stick torsion spring, two the one end that torsion spring carried on the back mutually respectively with the left and right sides fixed connection of recess, the outer wall fixedly connected with connecting plate of bull stick, the top fixedly connected with splint of connecting plate.
Preferably, a handle is fixedly connected to the side wall of the clamping plate.
Preferably, one side of the clamping plate close to the collecting box is fixedly connected with a rubber pad.
Compared with the prior art, the utility model provides a macromolecular material clout rubbing crusher possesses following beneficial effect:
1. this macromolecular material clout rubbing crusher, through being provided with cleaning box and dust clearance mechanism, when the dust in the macromolecular material after needs to smashing is cleared up, start first rotating electrical machines, first rotating electrical machines drives the puddler at antifriction bearing internal rotation, the puddler drives the stirring leaf and rotates, the macromolecular material after the stirring leaf will smashing stirs up, start the fan, it is intraductal to inhale the dust absorption with the dust, in rethread dust absorption pipe gets into the shunt tubes, and in getting into the draft tube through the shunt tubes, rethread ventilation pipe gets into in the dust removal pipe, a dust bag is connected at the other end of dust removal pipe, make the dust get into in the dust bag, can conveniently clear up the dust in the macromolecular material after smashing.
2. This macromolecular material clout rubbing crusher, through being provided with screening mechanism, when needs are screened not smashing complete macromolecular material, the macromolecular material after smashing drops on the screening board, start the second rotating electrical machines, the second rotating electrical machines drives the cam and rotates, the cam promotes the nose bar, the nose bar drives fixed plate extrusion spring, spring extrusion stripper plate, the nose bar promotes the screening board, when the cam rotates the bottom, the nose bar pulling screening board, the nose bar drives the screening board shake, the screening board shakes the macromolecular material above that, and the size because of two screens is different, can conveniently filter not smashing complete macromolecular material.
3. This macromolecular material clout rubbing crusher, through being provided with fixture, when needs carry out the centre gripping to the collecting box, the pulling handle, handle pulling splint, splint pulling connecting plate, the connecting plate drives the bull stick and rotates, the bull stick drives torque spring and rotates, places the collecting box in the backup pad, loosens the handle, torque spring drives the bull stick and rotates, the bull stick drives the connecting plate and rotates, the connecting plate drives splint and grasps the collecting box, can conveniently carry out the centre gripping to the collecting box, avoid it to rock.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can conveniently clear up the dust in the macromolecular material after smashing, and can conveniently filter the macromolecular material that does not smash completely, can conveniently carry out the centre gripping to the collecting box simultaneously, avoid it to rock.
Drawings
Fig. 1 is a schematic structural diagram of a polymer material residue crusher provided by the present invention;
fig. 2 is a schematic structural diagram of a part a of a polymer material residue crusher according to the present invention;
fig. 3 is a schematic structural diagram of a part B of the polymer material residue crusher provided by the present invention;
fig. 4 is the utility model provides a macromolecular material clout rubbing crusher fixture's schematic structure view.
In the figure: 1 pulverizer body, 2 supporting legs, 3 cleaning boxes, 4 dust cleaning mechanisms, 41 first rotating motors, 42 stirring rods, 43 stirring blades, 44 shunt tubes, 45 dust suction pipes, 46 ventilation pipes, 47 fans, 48 dust removal pipes, 5 supporting plates, 6 screening mechanisms, 61 second rotating motors, 62 cams, 63 convex rods, 64 fixing plates, 65 return springs, 66 extrusion plates, 67 screening plates, 68 screen meshes, 7 collecting boxes, 8 clamping mechanisms, 81 rotating rods, 82 torsion springs, 83 connecting plates, 84 clamping plates, 9 triangular material guide blocks, 10 directional shaft sleeves, 11 supporting rods and 12 handles.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a macromolecular material clout rubbing crusher, including rubbing crusher body 1, equal fixedly connected with supporting leg 2 in bottom four corners department of rubbing crusher body 1, bottom fixedly connected with cleaning box 3 of rubbing crusher body 1, left side fixedly connected with dust cleaning mechanism 4 of cleaning box 3, the discharge gate has been seted up to cleaning box 3's bottom, common fixedly connected with backup pad 5 between a plurality of supporting legs 2, the bottom fixedly connected with screening mechanism 6 of backup pad 5, the upper surface swing joint of backup pad 5 has two symmetric distribution's collecting box 7, the recess corresponding with collecting box 7 has been seted up to the upper surface of backup pad 5, and the recess internal rotation is connected with fixture 8.
The triangular material guide block 9 is fixedly connected in the cleaning box 3, so that the high polymer material can be conveniently guided into the discharge port.
The surface of the extrusion plate 66 is provided with a through hole corresponding to the protruding rod 63, and the through hole is fixedly connected with the directional shaft sleeve 10, so that the extrusion plate 66 can conveniently slide directionally.
The bracing piece 11 of two symmetric distributions of last fixed surface of backup pad 5 is connected with, the equal fixedly connected with slider in the left and right sides of fixed plate 64, and the spout with slider accordant connection is all seted up to two bracing pieces 11 relative one sides, can conveniently carry on spacingly to fixed plate 64, and it slides to be convenient for.
The side wall of the clamping plate 84 is fixedly connected with a handle 12, so that the clamping plate 84 can be conveniently pulled.
One side of the clamping plate 84 close to the collecting box 7 is fixedly connected with a rubber pad, so that the friction force of the clamping plate 84 can be conveniently increased, and the clamping is more stable.
The first rotating electrical machine 41, the fan 47 and the second rotating electrical machine 61 are electrically connected to an external power source through a control switch, so as to ensure that the power supply is supported during operation.
In the utility model, when the dust in the crushed polymer material needs to be cleaned, the first rotating motor 41 is started, the first rotating motor 41 drives the stirring rod 42 to rotate in the rolling bearing, the stirring rod 42 drives the stirring blade 43 to rotate, the stirring blade 43 stirs the crushed polymer material, the fan 47 is started, the dust is sucked into the dust suction pipe 45, then the dust suction pipe 45 enters the shunt pipe 44, the dust suction pipe 44 enters the vent pipe 46 through the shunt pipe 44, the dust suction pipe 48 enters the dust removal pipe 48 through the vent pipe 46, the other end of the dust removal pipe 48 is connected with a dust collection bag, the dust in the crushed polymer material can be conveniently cleaned, when the uncrushed complete polymer material needs to be screened, the crushed polymer material drops on the screening plate 68, the second rotating motor 61 is started, the second rotating motor 61 drives the cam 62 to rotate, the cam 62 pushes the cam 63, the cam 63 drives the fixing plate 64 to extrude the spring 65, the spring 5 extrudes the extruding plate 66, the cam 63 pushes the screening plate 68, when the cam 62 rotates to the bottom, the cam 63 pulls the screening plate 67, the cam 67 drives the screening plate 67 to shake, the screening plate 67 shakes off the macromolecular materials on the screening plate, and the macromolecular materials which are not completely crushed can be conveniently screened because the sizes of the two screens 68 are different, when the collecting box 7 needs to be clamped, the handle 12 is pulled, the handle 12 pulls the clamping plate 84, the clamping plate 84 pulls the connecting plate 83, the connecting plate 83 drives the rotating rod 81 to rotate, the rotating rod 81 drives the torsion spring 82 to rotate, the collecting box 7 is placed on the supporting plate 5, the handle 12 is released, the torsion spring 82 drives the rotating rod 81 to rotate, the rotating rod 81 drives the connecting plate 83 to rotate, the connecting plate 83 drives the clamping plate 84 to clamp the collecting box 7, and the collecting box 7 can be conveniently, avoiding shaking.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A crusher for polymer material remainders comprises a crusher body (1) and is characterized in that, the four corners of the bottom of the crusher body (1) are fixedly connected with supporting legs (2), the bottom of the crusher body (1) is fixedly connected with a cleaning box (3), the left side of the cleaning box (3) is fixedly connected with a dust cleaning mechanism (4), a discharge hole is arranged at the bottom of the cleaning box (3), a supporting plate (5) is fixedly connected among a plurality of supporting legs (2), the bottom of the supporting plate (5) is fixedly connected with a screening mechanism (6), the upper surface of the supporting plate (5) is movably connected with two symmetrically distributed collecting boxes (7), the upper surface of the supporting plate (5) is provided with a groove corresponding to the collecting box (7), and the groove is rotationally connected with a clamping mechanism (8).
2. The high polymer material residue crusher according to claim 1, wherein the dust cleaning mechanism (4) comprises a first rotating motor (41) fixedly connected with the left side of the cleaning box (3), the output end of the first rotating motor (41) is fixedly connected with a stirring rod (42) through a coupler, one end of the stirring rod (42) far away from the first rotating motor (41) is rotatably connected with the inner wall of the left side of the cleaning box (3) through a rolling bearing, the outer wall of the stirring rod (42) is fixedly connected with a plurality of symmetrically distributed stirring blades (43), the right side of the cleaning box (3) is fixedly connected with a shunt tube (44), the left side of the shunt tube (44) is fixedly connected with a dust suction pipe (45) communicated with the cleaning box (3), and one side of the shunt tube (44) far away from the dust suction pipe (45) is fixedly communicated with a ventilation pipe (46), a fan (47) is fixedly connected in the ventilation pipe (46), and a dust removal pipe (48) is fixedly communicated with one side of the ventilation pipe (46) far away from the shunt pipe (44).
3. The high polymer material residue crusher as claimed in claim 1, wherein a triangular material guiding block (9) is fixedly connected in the cleaning box (3).
4. The polymer material residue crusher according to claim 1, wherein the screening mechanism (6) comprises a second rotating motor (61) fixedly connected with the bottom of the support plate (5), the output end of the second rotating motor (61) is fixedly connected with a cam (62), the top of the cam (62) is connected with a convex rod (63) in a matching manner, the surface of the support plate (5) is provided with a through hole corresponding to the cam (62), the outer wall of the convex rod (63) is fixedly connected with a fixed plate (64), the top of the fixed plate (64) is fixedly connected with two symmetrically distributed return springs (65), one ends of the two return springs (65) far away from the fixed plate (64) are fixedly connected with an extrusion plate (66) together, one end of the convex rod (63) far away from the cam (62) is fixedly connected with a screening plate (67), two openings which are symmetrically distributed are formed in the surface of the screening plate (67), and the openings are fixedly connected with screens (68) with different aperture sizes.
5. The polymer material residue crusher as claimed in claim 4, wherein the surface of the extrusion plate (66) is provided with a through hole corresponding to the protruding rod (63), and the through hole is fixedly connected with the directional shaft sleeve (10).
6. The high polymer material residue crusher according to claim 4, wherein the upper surface of the supporting plate (5) is fixedly connected with two symmetrically distributed supporting rods (11), the left side and the right side of the fixing plate (64) are both fixedly connected with sliding blocks, and the opposite sides of the two supporting rods (11) are both provided with sliding grooves which are in matched connection with the sliding blocks.
7. The polymer material residue crusher according to claim 1, wherein the clamping mechanism (8) comprises a rotating rod (81) rotatably connected with the groove, two torsion springs (82) symmetrically distributed are fixedly connected to the outer wall of the rotating rod (81), the opposite ends of the two torsion springs (82) are fixedly connected with the left side and the right side of the groove, respectively, a connecting plate (83) is fixedly connected to the outer wall of the rotating rod (81), and a clamping plate (84) is fixedly connected to the top of the connecting plate (83).
8. A polymeric material waste shredder according to claim 7, characterised in that the side walls of the clamping plates (84) are fixedly connected with handles (12).
9. The polymer material residue crusher as claimed in claim 7, wherein a rubber pad is fixedly connected to the side of the clamping plate (84) close to the collecting box (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920985948.5U CN211160693U (en) | 2019-06-28 | 2019-06-28 | Macromolecular material clout rubbing crusher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920985948.5U CN211160693U (en) | 2019-06-28 | 2019-06-28 | Macromolecular material clout rubbing crusher |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211160693U true CN211160693U (en) | 2020-08-04 |
Family
ID=71797026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920985948.5U Expired - Fee Related CN211160693U (en) | 2019-06-28 | 2019-06-28 | Macromolecular material clout rubbing crusher |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211160693U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112024377A (en) * | 2020-08-27 | 2020-12-04 | 湖南洋韬材料科技有限公司 | Categorised conveyer of raw materials for insulation material manufacturing |
-
2019
- 2019-06-28 CN CN201920985948.5U patent/CN211160693U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112024377A (en) * | 2020-08-27 | 2020-12-04 | 湖南洋韬材料科技有限公司 | Categorised conveyer of raw materials for insulation material manufacturing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206472827U (en) | A kind of reducing mechanism processed for poultry feed | |
CN211160693U (en) | Macromolecular material clout rubbing crusher | |
CN212352576U (en) | Rubber reducing mechanism | |
CN209478702U (en) | A kind of recovering and processing discarded sponge device | |
CN110238056A (en) | A kind of high molecular material clout pulverizer | |
CN210278538U (en) | Anatase titanium white powder apparatus for producing | |
CN209810269U (en) | Cleaning device for automatic packaging machine convenient to collect waste material | |
CN112060401A (en) | Engineering plastic particle vibration screening device and screening method thereof | |
CN205466405U (en) | Convenient operation's traditional chinese medicine cutting machine | |
CN219334524U (en) | Even broken rubbing crusher | |
CN220517261U (en) | Granulation equipment after antibiotic dacron master batch is dried | |
CN220499628U (en) | Masterbatch grain cutting device | |
CN210825497U (en) | Sewage treatment pond is with high-efficient algae removal device | |
CN221021296U (en) | Granulator is used in plastic products processing | |
CN211794249U (en) | Reducing mechanism for feed processing | |
CN220737376U (en) | Charging mechanism with anti-blocking function | |
CN214599682U (en) | Energy-saving environment-friendly plastic processing machine | |
CN217550453U (en) | Animal remedy production is with vertical negative pressure traditional chinese medicine air separator | |
CN212915972U (en) | Hand-operated paper shredder | |
CN214681452U (en) | Micelle stirring crushing equipment | |
CN210159663U (en) | Construction waste recycling, crushing and grading treatment device | |
CN218013042U (en) | Process mechanism for improving wood waste crushing efficiency | |
CN221017362U (en) | SBR styrene butadiene rubber filter screen | |
CN212956033U (en) | Pitch agitating unit is used in highway construction convenient to clearance inner wall | |
CN218012951U (en) | Dust-raising-proof mechanism for active superfine aluminium hydroxide processing and crushing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |