CN108993701A - A kind of office waste grinding device - Google Patents
A kind of office waste grinding device Download PDFInfo
- Publication number
- CN108993701A CN108993701A CN201810553376.3A CN201810553376A CN108993701A CN 108993701 A CN108993701 A CN 108993701A CN 201810553376 A CN201810553376 A CN 201810553376A CN 108993701 A CN108993701 A CN 108993701A
- Authority
- CN
- China
- Prior art keywords
- grinding device
- upper housing
- gear
- cover plate
- lower case
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents
- B02C2018/0038—Motor drives
Abstract
The present invention discloses a kind of office waste grinding device, upper housing upper inner is formed with mounting groove, mounting groove is internally connected with upper cover plate, crushing shaft is connected in the middle part of upper cover plate, crushing shaft passes through upper cover plate and protrudes into the inside of upper housing, crushing shaft upper end is connected with first gear, and first gear is connected with driving motor through second gear, coupling rod, is connected with Disintegrating knife on the downside of crushing shaft；Upper housing lower part side is equipped with interface, is connected with partition in interface, partition will separate inside upper housing and lower case；Upper housing bottom is formed with blocking part, and upper housing is connect by blocking part with lower case；Lower case side is formed with opening, and opening is equipped with drawer, and drawer protrudes into inside lower case and is located at below partition.The present invention is crushed for the waste paper in office process, and waste paper is crushed as unqualified shape, reduces risk of divulging a secret, and not by foreign materials aways such as staples in crushing process, equipment operation smoothness, capacity is big, conveniently topples over.
Description
Technical field
The present invention relates to a kind of grinding devices, more particularly to a kind of office waste grinding device.
Background technique
People can generate a large amount of waste paper class rubbish in office process, be related to by that can be attached in these waste paper garbages
The text information of unit secret, unnecessary economic loss may be brought to unit by directly abandoning, it is therefore desirable to office rubbish
Rubbish carries out pulverization process.Currently there are a kind of shredders, can crush the discarded paper of need for confidentiality, paper
It is sent among the blade being mutually twisted, is divided into many tiny scraps of paper, to achieve the purpose that secrecy.Existing shredder
It usually uses the mode rolled to crush waste paper for strip, waste paper can not adequately be crushed, however it remains divulge a secret
Risk is especially easy to damage blade when being mixed with the foreign matters such as staple in waste paper, influences normally to use, while existing
Shredder capacity it is small, need frequent to topple over.
Summary of the invention
The present invention can be used in handling official business in view of the deficienciess of the prior art, provide a kind of office waste grinding device
Waste paper in journey crushes, and waste paper is crushed as unqualified shape, reduces risk of divulging a secret, not by foreign materials aways such as staples in crushing process,
Equipment operation is smooth, and capacity is big, conveniently topples over.
The technical scheme to solve the above technical problems is that a kind of office waste grinding device, the crushing dress
It sets including upper housing and lower case, the upper housing upper inner is formed with mounting groove, and the mounting groove is internally connected with upper cover
Plate, the upper cover plate middle part are connected with crushing shaft, and the crushing shaft passes through the upper cover plate and protrudes into the inside of upper housing, crushes
Axis upper end is connected with first gear, and the first gear is connected with driving motor through second gear, coupling rod, connects on the downside of crushing shaft
It is connected to Disintegrating knife；Upper housing lower part side is equipped with interface, is connected with partition in the interface, the partition will be upper
It is separated inside shell and lower case；Upper housing bottom is formed with blocking part, and upper housing passes through the blocking part and the lower case
Connection；The lower case side is formed with opening, and the opening is equipped with drawer, and drawer protrudes into inside the lower case and is located at
Below the partition.
A kind of office waste grinding device as described above, upper cover plate upper end side are equipped with loading hopper, the charging
Bucket top is formed with feed opening.Loading hopper bottom is connected to inside the upper housing.In use, waste paper to be comminuted is passed through charging
Mouth addition loading hopper simultaneously drops into upper housing.Continuity may be implemented repeatedly to be added, improve crush efficiency.
A kind of office waste grinding device as described above, the first gear, second gear, coupling rod and driving motor
Outside is equipped with motor casing, and the motor casing is fixedly connected with upper cover plate, and the first cavity and the second cavity are formed with inside motor casing,
The driving motor setting is arranged in second cavity in first cavity inside, the first gear and second gear
Portion, the coupling rod protrude into second cavity by first cavity.Motor casing is to first gear, second gear, coupling rod
It plays a protective role with driving motor, while the first cavity in motor casing can ensure the stabilization in driving motor operation process
Property.
A kind of office waste grinding device as described above, the mounting groove inside are equipped with protrusion, the upper cover plate edge
Equipped with notch, upper cover plate is equipped with the mounting groove of protrusion by notch insertion.The design of protrusion and notch makes upper cover plate and peace
Tankage stable bond prevents upper cover plate in operational process from rotating.
The junction upper end of a kind of office waste grinding device as described above, the protrusion and notch is equipped with compact heap.
Compact heap plays pressuring action to upper cover plate, so that rotate upper cover plate can neither in mounting groove will not upper and lower play.
A kind of office waste grinding device as described above, the Disintegrating knife are equipped with three layers, the star-shaped row of Disintegrating knife
It is listed in the crushing shaft periphery.In crushing process, partition is inserted into interface, is crushed paper by the high speed rotation of crushing knife
For unqualified shape.
A kind of office waste grinding device as described above, the partition side are connected with handle, and the handle is used for will
The partition is extracted out from interface.After the completion of crushing, by handle by drawing out partition plate, smashed shredded paper is made to drop into lower casing
In the drawer of body.
A kind of office waste grinding device as described above, the interface account for the half at the upper housing edge.
Interface is in semicircle shape, guarantees that partition can be completely inserted into upper housing, and upper housing and lower case is spaced apart.
A kind of office waste grinding device as described above, the drawer outside are equipped with attacker, and the attacker is used for institute
Drawer is stated to extract out from opening.When the shredded paper accumulation in drawer is more, drawer is extracted out by attacker, thus by drawer
Shredded paper pours.
A kind of office waste grinding device as described above, described be open account for the half at the lower case edge.It opens
Mouth is in semicircle shape, guarantees that drawer can be completely inserted into lower case.
The beneficial effects of the present invention are: upper housing upper inner is formed with mounting groove, mounting groove is internally connected with upper cover plate,
Crushing shaft is connected in the middle part of upper cover plate, crushing shaft passes through upper cover plate and protrudes into the inside of upper housing, and crushing shaft upper end is connected with the
One gear, first gear are connected with driving motor through second gear, coupling rod, are connected with Disintegrating knife on the downside of crushing shaft；Upper casing
Body lower part side is equipped with interface, is connected with partition in interface, partition will separate inside upper housing and lower case；Upper housing bottom
Portion is formed with blocking part, and upper housing is connect by blocking part with lower case；Lower case side is formed with opening, and opening, which is equipped with, takes out
Drawer, drawer protrude into inside lower case and are located at below partition.The present invention is crushed for the waste paper in office process, and waste paper is crushed
For unqualified shape, reduction is divulged a secret risk, and not by foreign materials aways such as staples in crushing process, equipment operation is smooth, and capacity is big, conveniently inclines
?.
Detailed description of the invention
Fig. 1 is office waste grinding device structural schematic diagram in embodiment；
Fig. 2 is office waste grinding device schematic diagram of internal structure in embodiment；
Fig. 3 is office waste grinding device upper housing structural schematic diagram in embodiment；
Fig. 4 is office waste grinding device lower case structural schematic diagram in embodiment；
Fig. 5 is office waste grinding device motor casing schematic diagram of internal structure in embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of office waste grinding device, the grinding device includes upper casing
Body 1 and lower case 2,1 upper inner of upper housing are formed with mounting groove 3, and the mounting groove 3 is internally connected with upper cover plate 4, institute
It states and is connected with crushing shaft 5 in the middle part of upper cover plate 4, the crushing shaft 5 passes through the upper cover plate 4 and protrudes into the inside of upper housing 1, crushes
5 upper end of axis is connected with first gear 6, and the first gear 6 is connected with driving motor 9, crushing shaft through second gear 7, coupling rod 8
5 downsides are connected with Disintegrating knife 10；The 1 lower part side of upper housing is equipped with interface 11, be connected in the interface 11 every
Plate 12, the partition 12 will separate inside upper housing 1 and lower case 2；1 bottom of upper housing is formed with blocking part 13, and upper housing 1 is logical
The blocking part 13 is crossed to connect with the lower case 2；2 side of lower case is formed with opening 14, is equipped at the opening 14
Drawer 15, drawer 15 protrude into 2 inside of lower case and are located at 12 lower section of partition.
In one embodiment of office waste grinding device, the 4 upper end side of upper cover plate is equipped with loading hopper 16, described to add
Feed opening 17 is formed at the top of hopper 16.16 bottom of loading hopper is connected to inside the upper housing 1.In use, to be comminuted is given up
Paper is added loading hopper 16 by feed opening 17 and drops into upper housing 1.Continuity may be implemented repeatedly to be added, improve and crush effect
Rate.
In one embodiment of office waste grinding device, the first gear 6, second gear 7, coupling rod 8 and driving
Motor casing 18 is equipped on the outside of motor 9, the motor casing 18 is fixedly connected with upper cover plate 4, and the first sky is formed with inside motor casing 18
Chamber 19 and the second cavity 20, the driving motor 9 are arranged inside first cavity 19, the first gear 6 and the second tooth
Wheel 7 is arranged inside second cavity 20, and the coupling rod 8 protrudes into second cavity 20 by first cavity 19.Electricity
Casing 18 plays a protective role to first gear 6, second gear 7, coupling rod 8 and driving motor 9, while in motor casing 18
One cavity 19 can ensure the stability in 9 operation process of driving motor.
In one embodiment of office waste grinding device, protrusion 21, the upper cover plate 4 are equipped with inside the mounting groove 3
Edge is equipped with notch 22, and upper cover plate 4 is equipped with the mounting groove 3 of protrusion 21 by the notch 22 insertion.Protrusion 21 and notch 22
Design makes upper cover plate 4 and 3 stable bond of mounting groove, prevents upper cover plate 4 in operational process from rotating.Described raised 21 and notch
22 junction upper end is equipped with compact heap 23.Compact heap 23 plays pressuring action to upper cover plate 4, so that upper cover plate 4 be made to install
Can neither rotate in slot 3 will not upper and lower play.
In one embodiment of office waste grinding device, the Disintegrating knife 10 is equipped with three layers, and Disintegrating knife 10 is in star
Shape is arranged in 5 periphery of crushing shaft.In crushing process, partition 12 is inserted into interface 11, passes through the high speed rotation of crushing knife
Paper is broken for unqualified shape.12 side of partition is connected with handle 24, and the handle 24 is used for the partition 12 from inserting
It is extracted out in interface 11.After the completion of crushing, partition 12 is extracted out by handle 24, smashed shredded paper is made to drop into lower case 2
In drawer 15.The interface 11 accounts for the half at 1 edge of upper housing.Interface 11 is in semicircle shape, guarantees partition 12
It can completely be inserted into upper housing 1, upper housing 1 and lower case 2 is spaced apart.
In one embodiment of office waste grinding device, attacker 25 is equipped on the outside of the drawer 15, the attacker 25 uses
In by the drawer 15 from opening 14 in extract out.When the shredded paper accumulation in drawer 15 is more, drawer 15 is taken out by attacker 25
Out, so that the shredded paper in drawer 15 be poured.The opening 14 accounts for the half at 2 edge of lower case.Opening 14
In semicircle shape, guarantee that drawer 15 can be completely inserted into lower case 2.
The present invention loading hopper 16 and drops into upper housing 1 in use, waste paper to be comminuted is added by feed opening 17,
Driving motor 9 drives second gear 7 to operate by crushing shaft 5, and second gear 7 drives first gear 6 to operate, 6 band of first gear
The rotating shredder of crushing knife is realized in the dynamic operating of crushing shaft 5.In crushing process, partition 12 is inserted into interface 11, passes through crushing knife
High speed rotation paper is broken for unqualified shape.After the completion of crushing, partition 12 is extracted out by handle 24, makes smashed shredded paper
It drops into the drawer 15 of lower case 2.When the shredded paper accumulation in drawer 15 is more, drawer 15 is extracted out by attacker 25, from
And the shredded paper in drawer 15 is poured.The design of protrusion 21 of the invention and notch 22 makes upper cover plate 4 and mounting groove 3 stablize knot
It closes, prevents upper cover plate 4 in operational process from rotating.Compact heap 23 plays pressuring action to upper cover plate 4, to make upper cover plate 4
Can neither rotate in mounting groove 3 will not upper and lower play.The present invention is crushed for the waste paper in office process, and waste paper is crushed
For unqualified shape, reduction is divulged a secret risk, and not by foreign materials aways such as staples in crushing process, equipment operation is smooth, and capacity is big, conveniently inclines
?.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of office waste grinding device, the grinding device includes upper housing (1) and lower case (2), it is characterised in that: institute
It states upper housing (1) upper inner to be formed with mounting groove (3), the mounting groove (3) is internally connected with upper cover plate (4), the upper cover
It being connected with crushing shaft (5) in the middle part of plate (4), the crushing shaft (5) passes through the upper cover plate (4) and protrudes into the inside of upper housing (1),
Crushing shaft (5) upper end is connected with first gear (6), and the first gear (6) is connected with drive through second gear (7), coupling rod (8)
Dynamic motor (9), crushing shaft (5) downside are connected with Disintegrating knife (10)；Upper housing (1) the lower part side is equipped with interface
(11), is connected with partition (12) in the interface (11), the partition (12) by upper housing (1) and lower case (2) it is internal every
It opens；Upper housing (1) bottom is formed with blocking part (13), and upper housing (1) is connected by the blocking part (13) and the lower case (2)
It connects；Lower case (2) side is formed with opening (14), is equipped with drawer (15) at the opening (14), and drawer (15) protrudes into institute
It states lower case (2) inside and is located at below the partition (12).
2. a kind of office waste grinding device according to claim 1, it is characterised in that: upper cover plate (4) upper end one
Side is equipped with loading hopper (16), is formed with feed opening (17) at the top of the loading hopper (16).On the connection of loading hopper (16) bottom is described
Shell (1) is internal.
3. a kind of office waste grinding device according to claim 1, it is characterised in that: the first gear (6), second
Motor casing (18) are equipped on the outside of gear (7), coupling rod (8) and driving motor (9), the motor casing (18) and upper cover plate (4) are solid
Fixed connection, motor casing (18) is internal to be formed with the first cavity (19) and the second cavity (20), and the driving motor (9) is arranged in institute
It is internal to state the first cavity (19), the first gear (6) and second gear (7) setting are internal in second cavity (20), institute
It states coupling rod (8) and second cavity (20) is protruded by first cavity (19).
4. a kind of office waste grinding device according to claim 1, it is characterised in that: set inside the mounting groove (3)
Have raised (21), upper cover plate (4) edge is equipped with notch (22), and upper cover plate (4) is equipped with convex by the notch (22) insertion
Play the mounting groove (3) of (21).
5. a kind of office waste grinding device according to claim 4, it is characterised in that: the protrusion (21) and notch
(22) junction upper end is equipped with compact heap (23).
6. a kind of office waste grinding device according to claim 1, it is characterised in that: the Disintegrating knife (10) is equipped with
Three layers, Disintegrating knife (10) is star-shaped to be arranged in the crushing shaft (5) periphery.
7. a kind of office waste grinding device according to claim 1, it is characterised in that: partition (12) the side connection
Have handle (24), the handle (24) is used for the extraction from interface (11) by the partition (12).
8. a kind of office waste grinding device according to claim 7, it is characterised in that: the interface (11) accounts for described
The half at upper housing (1) edge.
9. a kind of office waste grinding device according to claim 1, it is characterised in that: be equipped on the outside of the drawer (15)
Attacker (25), the attacker (25) are used for the extraction from opening (14) by the drawer (15).
10. a kind of office waste grinding device according to claim 9, it is characterised in that: the opening (14) accounts for described
The half at lower case (2) edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553376.3A CN108993701B (en) | 2018-05-31 | 2018-05-31 | Office waste crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553376.3A CN108993701B (en) | 2018-05-31 | 2018-05-31 | Office waste crushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108993701A true CN108993701A (en) | 2018-12-14 |
| CN108993701B CN108993701B (en) | 2021-04-20 |
Family
ID=64573337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553376.3A Active CN108993701B (en) | 2018-05-31 | 2018-05-31 | Office waste crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108993701B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201659011U (en) * | 2010-04-01 | 2010-12-01 | 柯约瑟 | Paper shredder capable of automatically feeding paper |
| CN206444683U (en) * | 2017-01-17 | 2017-08-29 | 夏天 | A kind of special electronic powder medicine machine of Pharmacy |
-
2018
- 2018-05-31 CN CN201810553376.3A patent/CN108993701B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201659011U (en) * | 2010-04-01 | 2010-12-01 | 柯约瑟 | Paper shredder capable of automatically feeding paper |
| CN206444683U (en) * | 2017-01-17 | 2017-08-29 | 夏天 | A kind of special electronic powder medicine machine of Pharmacy |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108993701B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206380332U (en) | A kind of simple straw millstone | |
| CN204247283U (en) | Anti-adhesion pulverizer | |
| CN104858029A (en) | Antiwind grinder | |
| CN109926190A (en) | A kind of memory-type multi-stage crushing office shredder | |
| CN108993701A (en) | A kind of office waste grinding device | |
| CN111495489A (en) | Office paper file smashing stationery | |
| CN202516616U (en) | Double-rotor type non-sieve humid gangue breaker | |
| CN207913912U (en) | A kind of office multifunctional crusher | |
| CN210357496U (en) | Paper shredder for office | |
| CN203725192U (en) | Vertical hammer knife non-screen crusher | |
| CN209005880U (en) | A kind of bank client confidential data grinding device | |
| CN205599267U (en) | Rubbing crusher with dual shredding function | |
| CN206392193U (en) | A kind of financial accounting paper shredding barrel easy to use | |
| CN211099268U (en) | A reducing mechanism for bank customer confidential document | |
| CN205182904U (en) | Straw, excrement piece rubbing crusher | |
| CN109865575A (en) | Multifunctional crusher is used in a kind of office | |
| CN208618175U (en) | A kind of shredder | |
| CN206778557U (en) | A kind of use for laboratory cosmetic material reducing mechanism | |
| CN111559593A (en) | Crushing type burn operation waste storage device | |
| CN102614962A (en) | Double-rotor type sieve-free wet gangue crusher | |
| CN211412240U (en) | Novel special kneader of accounting | |
| CN206152937U (en) | Food waste breaker | |
| CN217393294U (en) | Novel high secret cell-phone tears to shreds destruction equipment | |
| CN109926180A (en) | A kind of office shredder of multi-stage, efficient | |
| CN214514900U (en) | Chinese-medicinal material rubbing crusher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |