CN109381950A - A kind of leather processing dust-extraction unit - Google Patents
A kind of leather processing dust-extraction unit Download PDFInfo
- Publication number
- CN109381950A CN109381950A CN201710690859.3A CN201710690859A CN109381950A CN 109381950 A CN109381950 A CN 109381950A CN 201710690859 A CN201710690859 A CN 201710690859A CN 109381950 A CN109381950 A CN 109381950A
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- CN
- China
- Prior art keywords
- fixedly connected
- dust
- plate
- cabinet
- leather
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/14—Auxiliary devices for leather-working machines, e.g. grinding devices for blading cylinders or dust-removal devices combined with the working machines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of leather processing dust-extraction units, including bottom plate, the bottom of the bottom plate is fixedly connected with cushion, cabinet is fixedly connected at the top of the bottom plate, the bottom of the cabinets cavity is fixedly connected with shock absorber part, impact platform is fixedly connected at the top of the shock absorber part, fixed plate is fixedly connected on the inner wall of the cabinet, the side of the fixed plate is fixedly connected with motor, the shaft of the motor is sequentially connected with rotary shaft by shaft coupling, the bottom end of the rotary shaft is fixedly connected with connecting plate, the bottom of the connecting plate is fixedly connected with link block.The present invention is by being provided with motor, hairbrush, rotary shaft, connecting plate, link block and deduster, rotary shaft is driven to be rotated by motor, to drive dust cleaning case and hairbrush to be rotated, hairbrush is used to brush the dust of leather surface, improve the effect of dedusting, to improve the quality of leather production, dust cleaning case tentatively collects dust.
Description
Technical field
The present invention relates to leather processing technique field, specially a kind of leather processing dust-extraction unit.
Background technique
Traditional leather is in the process of production and processing, inevasible to contact with the external world, and leather friction is easy to produce static electricity,
Electrostatic adsorbs the dust in air, so that it is attached to leather surface, so needing to remove leather during leather adds
Dirt removes the dust on its surface, guarantees that product is completely beautiful, but existing dust-extraction unit often by blowing by leather
The drifting dust on surface is left, and fully relies on air blower and is blown by the fine crack on upper and lower deduster air intake device leather surface generation
Power makes dust fall off from leather, needs to be equipped with powerful blower to provide high pressure draught, causes power consumption larger, raw
Higher cost is produced, and the effect of dedusting cannot reach ideal effect, the dust of accumulation seriously affects the quality and quality of leather.
Summary of the invention
The purpose of the present invention is to provide a kind of leather processing dust-extraction unit, solves and mentioned in above-mentioned background technique
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of leather processing dust-extraction unit, including bottom
Plate, the bottom of the bottom plate are fixedly connected with cushion, and cabinet is fixedly connected at the top of the bottom plate, the cabinets cavity
Bottom is fixedly connected with shock absorber part, and impact platform, fixed company on the inner wall of the cabinet are fixedly connected at the top of the shock absorber part
It is connected to fixed plate, the side of the fixed plate is fixedly connected with motor, and the shaft of the motor is sequentially connected with by shaft coupling
Rotary shaft, the bottom end of the rotary shaft are fixedly connected with connecting plate, and the bottom of the connecting plate is fixedly connected with link block, described
The bottom end of link block is fixedly connected with deduster, hairbrush is provided on the right side of the deduster, and hairbrush passes through link block and company
Fishplate bar is fixedly connected, and exhaust fan is fixedly connected on the inner wall of the cabinet right side plate, is offered on the right side plate of the cabinet
The gas vent communicated with exhaust fan is provided with dust cleaning case on the right side of the gas vent.
Preferably, it is fixedly connected with support plate on the left of the cabinet, is fixedly connected with air blast at the top of the support plate
Machine, gas blow pipe is fixedly connected at the air outlet of the air blower, and the right end of the gas blow pipe runs through cabinet left plate and extension
To the inside of cabinet.
Preferably, the shock absorber part includes damper cylinder, and the bottom of the damping tube inner chamber is fixedly connected with damping spring, institute
The top for stating damper cylinder is provided with cutting ferrule, and the damper cylinder is internally provided with support rod, and the bottom end of the support rod is fixed to be connected
Be connected to limited block, the top of the support rod is through cutting ferrule and extends to the top of damper cylinder, the top of the support rod with hit
Platform is beaten to be fixedly connected.
Preferably, the inside of the dust cleaning case is fixedly connected with filter screen, and wet cotton is provided on the right side of the filter screen,
Adsorption net is provided on the right side of the wet cotton.
Preferably, the deduster includes adsorption box, and the bottom of the adsorption box offers air suction opening, in the adsorption box
The bottom of chamber is fixedly connected with collecting chamber, is fixedly connected with baffle at the top of the collecting chamber, the left plate of the adsorption box and
It is fixedly connected to fixture block on the inner wall of right side plate, and is fixedly connected with cored, the outer sheath of the iron core between two fixture blocks
Equipped with coil.
Preferably, the cabinet is internally provided with turntable, and the outer surface of the turntable offers arc groove, the arc
Slot is internally provided with sliding block, and the side of the sliding block is fixedly connected with pull rod, and the pull rod is slided by sliding block and arc groove
Connection, the bottom end of the pull rod are fixedly connected with pouring weight, and the pouring weight is located at the top of impact platform.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention is driven by the running of turntable and is slided by being provided with pouring weight, pull rod, turntable, arc groove, sliding block and impact platform
Block slidably reciprocates arc groove, so that pull rod is drawn high or put down, using the gravity of pouring weight, to the leather being placed on impact platform
It is struck, the dust granule adulterated in leather is shaken out by the vibration by hitting platform, keeps the dust inside leather outside
It is mobile, convenient for being further processed to dust, to improve the quality of leather, by be provided with support rod, cutting ferrule, limited block,
Damping spring and damper cylinder, cutting ferrule and limited block prevent support rod from deviating from damper cylinder, using stretching repeatedly for damping spring, adjust
The vibration of buffering impact platform is blown into air by air blower, leads through blower by being provided with air blower, support plate and blower
Enter box house, dust in case is blown to the right, convenient for the collection and absorption to dust.
2, the present invention is driven by being provided with motor, hairbrush, rotary shaft, connecting plate, link block and deduster by motor
Rotary shaft is rotated, so that deduster and hairbrush be driven to be rotated, hairbrush is used to brush the dust of leather surface, and raising removes
The effect of dirt, to improve the quality of leather production, deduster tentatively collects dust, by being provided with adsorption box, receiving
Collection room, baffle, air suction opening, iron core and coil adsorb dust by the cooperating syringe of iron core and coil, and dust is inhaled
Be attached to iron core surface, disconnect power supply, magnetic force disappears, and the dust of collection enters in collecting chamber through baffle, by be provided with exhaust fan,
Dust is introduced dust cleaning case through gas vent using the running of exhaust fan by gas vent, filter screen, adsorption net, dust cleaning case and wet cotton
It is interior, by filter screen, the three layer filtration of wet cotton and adsorption net, the dust generated in processing can be effectively adsorbed, reduces ash
Influence of the dirt to environment and the injury to human body.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1 of the present invention；
Fig. 3 is deduster structural schematic diagram of the present invention；
Fig. 4 is shock absorber part structural schematic diagram of the present invention.
In figure: 1 cushion, 2 bottom plates, 3 shock absorber parts, 301 support rods, 302 cutting ferrules, 303 limited blocks, 304 damping springs,
305 damper cylinders, 4 pouring weights, 5 impact platforms, 6 pull rods, 7 air blowers, 8 support plates, 9 blowers, 10 sliding blocks, 11 turntables, 12 arc grooves,
13 fixed plates, 14 motors, 15 exhaust fans, 16 gas vents, 17 filter screens, 18 adsorption nets, 19 dust cleaning cases, 20 wet cottons, 21 hairbrush,
22 rotary shafts, 23 connecting plates, 24 link blocks, 25 dedusters, 251 adsorption boxes, 252 collecting chambers, 253 baffles, 254 air suction openings, 255
Iron core, 256 coils, 26 cabinets.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the embodiment of the present invention provides a kind of leather processing dust-extraction unit, including bottom plate 2, cabinet 26
Left side is fixedly connected with support plate 8, and the top of support plate 8 is fixedly connected with air blower 7, fixed company at the air outlet of air blower 7
It is connected to gas blow pipe 9, the right end of gas blow pipe 9 runs through 26 left plate of cabinet and extends to the inside of cabinet 26, by being provided with air blast
Machine 7, support plate 8 and blower 9 are blown into air by air blower 7, import inside cabinet 26 through blower 9, to the right by dust in case
It blows, convenient for the collection and absorption to dust, the bottom of bottom plate 2 is fixedly connected with cushion 1, and the top of bottom plate 2 is fixedly connected
There is cabinet 26, the bottom of 26 inner cavity of cabinet is fixedly connected with shock absorber part 3, and the top of shock absorber part 3 is fixedly connected with impact platform 5, subtracts
Shaking part 3 includes damper cylinder 305, and the bottom of 305 inner cavity of damper cylinder is fixedly connected with damping spring 304, and the top of damper cylinder 305 is set
It is equipped with cutting ferrule 302, damper cylinder 305 is internally provided with support rod 301, and the bottom end of support rod 301 is fixedly connected with limited block
303, the top of support rod 301 runs through cutting ferrule 302 and extends to the top of damper cylinder 305, the top of support rod 301 and impact platform
5 are fixedly connected, by being provided with support rod 301, cutting ferrule 302, limited block 303, damping spring 304 and damper cylinder 305, cutting ferrule
302 and limited block 303 prevent support rod 301 deviate from damper cylinder 305, utilize stretching repeatedly for damping spring 304, adjust buffer
The vibration of platform 5 is played, cabinet 26 is internally provided with turntable 11, and the outer surface of turntable 11 offers arc groove 12, arc groove 12
It is internally provided with sliding block 10, the side of sliding block 10 is fixedly connected with pull rod 6, and pull rod 6 is connected by sliding block 10 and the sliding of arc groove 12
It connects, the bottom end of pull rod 6 is fixedly connected with pouring weight 4, and pouring weight 4 is located at the top of impact platform 5, by being provided with pouring weight 4, pull rod 6, turning
Disk 11, arc groove 12, sliding block 10 and impact platform 5, by the running of turntable 11 with movable slider 10 the inside of arc groove 12 back and forth
Sliding, using the gravity of pouring weight 4, strikes the leather being placed on impact platform 5, passes through to draw high or put down pull rod 6
The dust granule adulterated in leather is shaken out by the vibration of strike platform 5, is displaced outwardly the dust inside leather, convenient for ash
Dirt is further processed, to improve the quality of leather, fixed plate 13 is fixedly connected on the inner wall of cabinet 26, fixed plate 13
Side is fixedly connected with motor 14, and the shaft of motor 14 is sequentially connected with rotary shaft 22, the bottom end of rotary shaft 22 by shaft coupling
It is fixedly connected with connecting plate 23, the bottom of connecting plate 23 is fixedly connected with link block 24, and the bottom end of link block 24 is fixedly connected with
Deduster 25, the right side of deduster 25 is provided with hairbrush 21, and hairbrush 21 is fixedly connected by link block 24 with connecting plate 23, leads to
It crosses and is provided with motor 14, hairbrush 21, rotary shaft 22, connecting plate 23, link block 24 and deduster 25, driven and rotated by motor 14
Axis 22 is rotated, so that deduster 25 and hairbrush 21 be driven to be rotated, hairbrush 21 is used to brush the dust of leather surface, is mentioned
The effect of high dedusting, to improve the quality of leather production, deduster 25 tentatively collects dust, and deduster 25 includes inhaling
Attached case 251, the bottom of adsorption box 251 offer air suction opening 254, and the bottom of 251 inner cavity of adsorption box is fixedly connected with collecting chamber
252, the top of collecting chamber 252 is fixedly connected with baffle 253, fixes on the left plate of adsorption box 251 and the inner wall of right side plate
It is connected with fixture block 257, and is fixedly connected with cored 255 between two fixture blocks 257, the outer sheath of iron core 255 is equipped with coil 256,
By being provided with adsorption box 251, collecting chamber 252, baffle 253, air suction opening 254, iron core 255 and coil 256, pass through iron core 255
With the cooperating syringe of coil 256, dust is adsorbed, dust is adsorbed on 255 surface of iron core, disconnects power supply, magnetic force disappears,
The dust of collection enters in collecting chamber 252 through baffle 253, is fixedly connected with exhaust fan 15, case on the inner wall of 26 right side plate of cabinet
The gas vent 16 communicated with exhaust fan 15 is offered on the right side plate of body 26, the right side of gas vent 16 is provided with dust cleaning case 19, leads to
It crosses and is provided with exhaust fan 15, gas vent 16 and dust cleaning case 19, using the running of exhaust fan 15, dust is removed through the introducing of gas vent 16
In dirt case 19, the inside of dust cleaning case 19 is fixedly connected with filter screen 17, and the right side of filter screen 17 is provided with wet cotton 20, wet cotton
20 right side is provided with adsorption net 18, by filter screen 17, the three layer filtration of wet cotton 20 and adsorption net 18, can effectively inhale
The dust generated in additional work, reduces influence of the dust to environment and the injury to human body.
Working principle: by the running of turntable 11 with movable slider 10 slidably reciprocating in arc groove 12, to draw high or put
Lower pull rod 6 strikes the leather being placed on impact platform 5 using the gravity of pouring weight 4, by hitting the vibration of platform 5 for skin
The dust granule adulterated in leather shakes out, is displaced outwardly the dust inside leather, cutting ferrule 302 and limited block 303 prevent from propping up
Strut 301 deviates from damper cylinder 305, using stretching repeatedly for damping spring 304, the vibration of buffering impact platform 5 is adjusted, by air blower
7 are blown into air, through blower 9 import cabinet 26 inside, dust in case is blown to the right, by motor 14 drive rotary shaft 22 into
Row rotation, so that deduster 25 and hairbrush 21 be driven to be rotated, hairbrush 21 is used to brush the dust of leather surface, improves dedusting
Effect, to improve the quality of leather production, deduster 25 tentatively collects dust, passes through iron core 255 and coil 256
Cooperating syringe, dust is adsorbed, dust is adsorbed on 255 surface of iron core, disconnects power supply, magnetic force disappears, the ash of collection
Dirt enters in collecting chamber 252 through baffle 253, and using the running of exhaust fan 15, dust is introduced in dust cleaning case 19 through gas vent 16,
By filter screen 17, the three layer filtration of wet cotton 20 and adsorption net 18, the dust generated in processing can be effectively adsorbed.
In summary: the leather processing dust-extraction unit, by be provided with pouring weight 4, pull rod 6, turntable 11, arc groove 12,
Sliding block 10 and impact platform 5, by the running of turntable 11 with movable slider 10 slidably reciprocating in arc groove 12, to draw high or put down
Pull rod 6 strikes the leather being placed on impact platform 5 using the gravity of pouring weight 4, by hitting the vibration of platform 5 for leather
The dust granule of interior doping shakes out, is displaced outwardly the dust inside leather, convenient for being further processed to dust, thus
The quality for improving leather, by being provided with support rod 301, cutting ferrule 302, limited block 303, damping spring 304 and damper cylinder 305,
Cutting ferrule 302 and limited block 303 prevent support rod 301 from deviating from damper cylinder 305, using stretching repeatedly for damping spring 304, adjust slow
The vibration that platform 5 is beaten in impact is blown into air by air blower 7, through blower by being provided with air blower 7, support plate 8 and blower 9
9 import inside cabinet 26, dust in case are blown to the right, convenient for the collection and absorption to dust, by being provided with motor 14, hair
Brush 21, rotary shaft 22, connecting plate 23, link block 24 and deduster 25 drive rotary shaft 22 to be rotated by motor 14, thus
Deduster 25 and hairbrush 21 is driven to be rotated, hairbrush 21 is used to brush the dust of leather surface, the effect of dedusting is improved, thus
Improve the quality of leather production, deduster 25 tentatively collects dust, by be provided with adsorption box 251, collecting chamber 252,
Baffle 253, air suction opening 254, iron core 255 and coil 256 carry out dust by the cooperating syringe of iron core 255 and coil 256
Dust is adsorbed on 255 surface of iron core by absorption, disconnects power supply, and magnetic force disappears, and the dust of collection enters collecting chamber through baffle 253
In 252, by being provided with exhaust fan 15, gas vent 16, filter screen 17, adsorption net 18, dust cleaning case 19 and wet cotton 20, row is utilized
Dust is introduced in dust cleaning case 19 through gas vent 16, passes through filter screen 17, wet cotton 20 and adsorption net 18 by the running of gas fan 15
Three layer filtration can effectively adsorb the dust generated in processing, reduce influence of the dust to environment and the injury to human body.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.It " including the element that a reference structure limits, is not arranged by sentence
Except there is also other identical elements in the process, method, article or apparatus that includes the element ", and go out in this article
Existing electric elements are electrically connected with extraneous main controller and 220V 110V alternating current, and main controller can rise for computer etc.
To the conventionally known equipment of control.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of leather processing dust-extraction unit, including bottom plate (2), it is characterised in that: the bottom of the bottom plate (2) is fixedly connected
Have cushion (1), be fixedly connected with cabinet (26) at the top of the bottom plate (2), the bottom of cabinet (26) inner cavity is fixed to be connected
It is connected to shock absorber part (3), impact platform (5) is fixedly connected at the top of the shock absorber part (3), is fixed on the inner wall of the cabinet (26)
It is connected with fixed plate (13), the side of the fixed plate (13) is fixedly connected with motor (14), and the shaft of the motor (14) is logical
It crosses shaft coupling to be sequentially connected with rotary shaft (22), the bottom end of the rotary shaft (22) is fixedly connected with connecting plate (23), the company
The bottom of fishplate bar (23) is fixedly connected with link block (24), and the bottom end of the link block (24) is fixedly connected with deduster (25),
It is provided with hairbrush (21) on the right side of the deduster (25), and hairbrush (21) connects by the way that link block (24) and connecting plate (23) are fixed
It connects, is fixedly connected with exhaust fan (15) on the inner wall of cabinet (26) right side plate, is opened up on the right side plate of the cabinet (26)
There is the gas vent (16) communicated with exhaust fan (15), is provided with dust cleaning case (19) on the right side of the gas vent (16).
2. a kind of leather processing dust-extraction unit according to claim 1, it is characterised in that: the left side of the cabinet (26)
It is fixedly connected with support plate (8), is fixedly connected with air blower (7) at the top of the support plate (8), the air blower (7) goes out
It is fixedly connected at air port blower (9), the right end of the blower (9) through cabinet (26) left plate and extends to cabinet
(26) inside.
3. a kind of leather processing dust-extraction unit according to claim 1, it is characterised in that: the shock absorber part (3) includes
The bottom of damper cylinder (305), damper cylinder (305) inner cavity is fixedly connected with damping spring (304), the damper cylinder (305)
Top be provided with cutting ferrule (302), the damper cylinder (305) is internally provided with support rod (301), the support rod (301)
Bottom end be fixedly connected with limited block (303), the top of the support rod (301) is through cutting ferrule (302) and extends to damper cylinder
(305) top of top, the support rod (301) is fixedly connected with impact platform (5).
4. a kind of leather processing dust-extraction unit according to claim 1, it is characterised in that: the dust cleaning case (19) it is interior
Portion is fixedly connected with filter screen (17), is provided with wet cotton (20) on the right side of the filter screen (17), the wet cotton (20)
Right side is provided with adsorption net (18).
5. a kind of leather processing dust-extraction unit according to claim 1, it is characterised in that: the deduster (25) includes
The bottom of adsorption box (251), the adsorption box (251) offers air suction opening (254), the bottom of adsorption box (251) inner cavity
It is fixedly connected with collecting chamber (252), is fixedly connected with baffle (253), the adsorption box at the top of the collecting chamber (252)
(251) it is fixedly connected on the inner wall of left plate and right side plate fixture block (257), and fixed company between two fixture blocks (257)
It is connected to iron core (255), the outer sheath of the iron core (255) is equipped with coil (256).
6. a kind of leather processing dust-extraction unit according to claim 1, it is characterised in that: the inside of the cabinet (26)
It is provided with turntable (11), the outer surface of the turntable (11) offers arc groove (12), the inside setting of the arc groove (12)
Have sliding block (10), the side of the sliding block (10) is fixedly connected with pull rod (6), and the pull rod (6) passes through sliding block (10) and arc
Slot (12) is slidably connected, and the bottom end of the pull rod (6) is fixedly connected with pouring weight (4), and the pouring weight (4) is located at impact platform (5)
Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690859.3A CN109381950A (en) | 2017-08-14 | 2017-08-14 | A kind of leather processing dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710690859.3A CN109381950A (en) | 2017-08-14 | 2017-08-14 | A kind of leather processing dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109381950A true CN109381950A (en) | 2019-02-26 |
Family
ID=65416738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710690859.3A Pending CN109381950A (en) | 2017-08-14 | 2017-08-14 | A kind of leather processing dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109381950A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675662A (en) * | 2019-10-15 | 2020-01-10 | 许昌学院 | Digital media teaching presentation device |
| CN114887771A (en) * | 2022-05-23 | 2022-08-12 | 浙江万源环保机械科技有限公司 | Rapping device of electric dust collector |
-
2017
- 2017-08-14 CN CN201710690859.3A patent/CN109381950A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675662A (en) * | 2019-10-15 | 2020-01-10 | 许昌学院 | Digital media teaching presentation device |
| CN114887771A (en) * | 2022-05-23 | 2022-08-12 | 浙江万源环保机械科技有限公司 | Rapping device of electric dust collector |
| CN114887771B (en) * | 2022-05-23 | 2024-02-20 | 浙江万源环保机械科技有限公司 | Vibrator of electric dust collector |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190226 |
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| WD01 | Invention patent application deemed withdrawn after publication |