CN208199807U - A kind of rotary automatic discharge apparatus of crankshaft - Google Patents
A kind of rotary automatic discharge apparatus of crankshaft Download PDFInfo
- Publication number
- CN208199807U CN208199807U CN201820592043.7U CN201820592043U CN208199807U CN 208199807 U CN208199807 U CN 208199807U CN 201820592043 U CN201820592043 U CN 201820592043U CN 208199807 U CN208199807 U CN 208199807U
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- axis
- shaft
- eccentric
- eccentric disc
- crankshaft
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Abstract
The utility model discloses a kind of rotary automatic discharge apparatus of crankshaft, including crankshaft, crankshaft includes sequentially connected driving shaft, first eccentric disc, eccentric shaft, second eccentric disc and driven shaft, driving shaft and driven shaft are located on the axis of the first eccentric disc and the second eccentric disc, eccentric shaft deviates the axis, driving shaft is connected with the deceleration motor by transmission shaft, one end cap of movable axis is on eccentric shaft, the other end is connect with the first connecting rod of straight line ball joint bearing, second connecting rod of straight line ball joint bearing is connect with the top for rotating and upgrading axis, it rotates and upgrades and is fixed with the limit sheave that outer surface is equipped with limit skewed slot on axis, spacer pin is sliding combined in limit skewed slot, discharging cross bar one end, which is fixed on, rotates and upgrades axis bottom end, the other end is equipped with discharging container.The utility model structure is simple and convenient to operate, it can be achieved that far distance control, will not generate electrostatic friction, highly-safe there is no cleaning dead angle, and can be manually operated, energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of rotary automatic discharge apparatus of crankshaft, are used for pyrotechnic composition automatic producing device (such as cigarette
Gunpowder automatic blender, pyrotechnic composition automatic granulator, pyrotechnic composition damp material machine etc. automatically) finished product or semi-product material it is automatic go out
Material.
Background technique
Gunpowder production is an important ring and a most important ring in firework product manufacturing process.Gunpowder production is general
It is all batch production, power is huge.Gunpowder production is generally by works such as the flour of raw material, the dry-mixing of gunpowder, wet mixing conjunction, granulations
Sequence composition is easy to produce electrostatic when finished product or semi-product material discharge, and there are huge security risks.
The discharging of traditional pyrotechnic composition automatic producing device is mainly the following mode: (1) staff will be equipped with system
The discharging container of the material performed is proposed from device bottom；(2) pushing away for discharging container will be loaded with using the track being set in sink
Vehicle automatic or manual transports device bottom；(3) material is transported in discharging container from device bottom by driving belt.Manually
When discharging, staff must be close to equipment discharge port, and bend over to propose discharging container.Involved by sink cart self-emptying
Transmission distance, components are more and complicated, and Live roller needed for belt discharging is more, and sealing is difficult, be easy to produce dead angle,
Difficulty is cleaned, is unfavorable for keeping the safety in production.
Utility model content
The purpose of this utility model is that in view of the above-mentioned deficiencies in the prior art, providing one kind and being used for pyrotechnic composition certainly
The crankshaft rotation of dynamic production equipment (such as pyrotechnic composition automatic blender, pyrotechnic composition automatic granulator, pyrotechnic composition automatically damp material machine)
Far distance control may be implemented in formula automatic discharge apparatus, and structure is simple, and safety greatly improves.
To achieve the above object, the technical solution that the utility model is taken is as follows:
A kind of rotary automatic discharge apparatus of crankshaft, including rack, decelerating motor, transmission shaft, crankshaft, straight shot joint shaft
It holds, rotate and upgrade axis, discharging cross bar and discharging container；The decelerating motor is fixed on the rack, the output shaft of decelerating motor with
The input terminal of transmission shaft connects；The crankshaft includes driving shaft, the first eccentric disc, eccentric shaft, movable axis, the second eccentric disc
And driven shaft, the setting and the two axis overlaps, institute along the vertical direction of first eccentric disc and the second eccentric disc
It states driving shaft and driven shaft is respectively positioned on the axis, the eccentric shaft is parallel to the axis but not on the axis, institute
State that driving shaft one end is fixedly connected with the outer surface of the first eccentric disc, the other end passes through the first bearing seat that is fixed on the rack
Bonded with the output end of the transmission shaft, described eccentric shaft one end is fixedly connected with the inner surface of the first eccentric disc, the other end
It is fixedly connected with the inner surface of the second eccentric disc, described movable axis one end is actively socketed on eccentric shaft, the other end is can be
Around the movable end of eccentric shaft turns in vertical plane between first eccentric disc and the second eccentric disc, described driven shaft one end with
The outer surface of second eccentric disc is fixedly connected, the other end is pierced by the second bearing seat being fixed on the rack；The straight shot closes
Bearings include first connecting rod and the second connecting rod, and first connecting rod one end passes through universal ball-joint and second connecting rod one end
Connection, the first connecting rod other end connect with the movable end of the movable axis, the second connecting rod other end with set along the vertical direction
The top connection for rotating and upgrading axis set；Described rotate and upgrade is fixed with limit sheave on axis, have on limiting slot wheel outer surface
There is limit skewed slot, spacer pin one end is fixed on the rack, the other end is slidably fitted in limit skewed slot, limits the vertical height of skewed slot
Degree is identical as the difference in height between the highest point and the lowest point during eccentric shaft turns, so that eccentric shaft turns around, spacer pin exists
Limiting operation one in skewed slot, back and forth, the angle that limit skewed slot turns in the horizontal direction is identical as discharging cross bar rotational angle；
The bottom end for rotating and upgrading axis passes through the limit sliding sleeve being fixed on the rack, one with horizontally disposed discharging cross bar
End is fixedly connected, and the other end of the discharging cross bar is equipped with discharging container.
The working principle of the rotary automatic discharge apparatus of the crankshaft of the utility model is as follows:
When standby, eccentric shaft is located at highest point, and spacer pin is located at the lowermost end of limit skewed slot, and discharging container is opening up,
It deducts in the discharge outlet of pyrotechnic composition automatic producing device bottom.
When filling finished product materials in discharging container and needing to remove pyrotechnic composition automatic producing device bottom, control system control
Decelerating motor provides power, is rotated in the first bearing seat being fixed on the rack by driving shaft of the transmission shaft with dynamic crankshaft,
The first eccentric disc, eccentric shaft and the second eccentric disc is driven to revolve between first bearing seat and second bearing seat by driving shaft again
Turn, driven shaft rotates in the second bearing seat being fixed on the rack, to drive the movable axis that is actively socketed on eccentric shaft
It is moved down from highest point, and then axis slide downward in limit sliding sleeve is rotated and upgraded by the drive of straight line ball joint bearing；
During rotating and upgrading glides downward, it is fixed on the limit sheave rotated and upgraded on axis and moves down therewith, so that
The spacer pin being fixed on the rack is moved up from the lowermost end of limit skewed slot, since the highest point and the lowest point of limit skewed slot exists
There is displacement in horizontal direction, there is difference in height in the vertical direction, therefore, in the position-limiting action of limit skewed slot, rotates and upgrades
Axis side trailing edge rotation, to drive discharging cross bar and discharging container side trailing edge going out from pyrotechnic composition automatic producing device bottom
Material mouth is spun out, and when eccentric shaft rotates to minimum point, spacer pin is moved to the highest point of limit skewed slot, rotates and upgrades axis band
Dynamic discharging cross bar and discharging container are rotated to set angle, complete a self-emptying process.
When splicing in contrast, discharging container is put into one end of discharging cross bar, control system controls decelerating motor and provides
Power drives eccentric shaft to move up from minimum point, rotates and upgrades axis upward sliding to drive, limit sheave is upward therewith
Mobile, spacer pin is moved down from the top of limit skewed slot, makes to rotate and upgrade the rotation of axis side rising edge, to drive discharging horizontal
Bar and discharging container side rising edge are rotated to from the discharge port of pyrotechnic composition automatic producing device bottom, rotate to highest in eccentric shaft
When point, spacer pin is moved to the minimum point of limit skewed slot, rotates and upgrades axis and discharging cross bar and discharging container is driven to rotate to discharging
Mouthful, complete an automatic material connection process.
As further preferred, the output shaft of the decelerating motor is connected by the input terminal of electromagnetic clutch and transmission shaft
It connects, one end that the driven shaft is pierced by second bearing seat is further fixed on handle.Under power blackout situation, electromagnetic clutch is inoperative,
Power can be provided by way of manually rotated handle, the first eccentric disc, eccentric shaft, the second off-centre operation are driven by driven shaft
Disk and spindle rotation.
As further preferred, the edge of first eccentric disc and/or the second eccentric disc is additionally provided with manual brake.
Prevent for providing resistance at the edge that manual brake is resisted against to the first eccentric disc and/or the second eccentric disc in a manual mode
Only rotate and upgrade the positions such as axis due to gravity or effect of vibration slide downward.
As further preferred, between the first connecting rod and the movable end of movable axis and/or the second connecting rod and rotation
Turn to pass through before the top of promotion axis and adjust screw rod connection, rotates and upgrades the first of axis, discharging cross bar and discharging container for finely tuning
Begin height, it is ensured that the opening of discharging container is held in the discharge outlet of device bottom when splicing.
In order to further increase stability, the number of the limit sliding sleeve is two, and the limit sheave is located at two limits
Between the sliding sleeve of position.
As further preferred, setting inductor, the sense at the highest point and the lowest point during eccentric shaft turns
Device and the decelerating motor is answered to connect with control device.
The utility model has the following technical effect that
(1) it rotates and upgrades axis by crankshaft drive and moves up and down, while rotating and upgrading axis and moving up and down, pass through limit
The position-limiting action of limit skewed slot and spacer pin on sheave, makes to rotate and upgrade axis and rotates when moving up and down, to drive discharging
Cross bar and discharging container are rotated when moving up and down, it is only necessary to which a driving force, which can be realized, to be moved up and down and spinning movement, knot
Structure is simple and convenient to operate.
(2) length of discharging cross bar can be adjusted according to actual needs, make decelerating motor, rotate and upgrade the power such as axis
Component relates to medicine end far from pyrotechnic composition automatic producing device, realizes far distance control, staff is not necessarily to close to pharmaceutical equipment, raw
Safety is produced to greatly improve.
(3) transmission devices such as not set any belt, gear, track, the object fallen on the travel path of discharging container
Material is easy to clean, and dead angle is not present, eliminates security risk.
(4) power can be provided by manually rotated handle after electromagnetic clutch power-off, is waited without shutting down, and energy conservation
Environmental protection.
Detailed description of the invention
Fig. 1: the overall structure diagram of the rotary automatic discharge apparatus of the crankshaft of the utility model；
Fig. 2: the magnified partial view of the rotary automatic discharge apparatus of the crankshaft of the utility model；
Fig. 3: the crankshaft structure schematic diagram in the utility model；
The cross-sectional view in the vertical center line direction Fig. 4: Fig. 3；
Fig. 5: the limiting slot wheel construction schematic diagram in the utility model.
Specific embodiment:
The utility model is described further in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-5, the rotary automatic discharge apparatus of the crankshaft of the utility model, including rack, decelerating motor 1, biography
Moving axis 2, straight line ball joint bearing 4, rotates and upgrades axis 5, discharging cross bar 6 and discharging container 7 at crankshaft 3；The decelerating motor 1 is solid
Determine on the rack, the output shaft of decelerating motor 1 is connect with the input terminal of transmission shaft 2；The crankshaft 3 includes driving shaft 31, first
Eccentric disc 32, eccentric shaft 33, movable axis 34, the second eccentric disc 35 and driven shaft 36, first eccentric disc 32 and
Two eccentric discs 35 are arranged along the vertical direction and the two axis overlaps, and the driving shaft 31 and driven shaft 36 are respectively positioned on
On the axis, the eccentric shaft 33 is parallel to the axis but not on the axis, described 31 one end of driving shaft and first
The outer surface of eccentric disc 32 is fixedly connected, the other end passes through the first bearing seat 8 and the transmission shaft 2 being fixed on the rack
Output end is bonded, and described 33 one end of eccentric shaft is fixedly connected with the inner surface of the first eccentric disc 32, the other end and second eccentric
The inner surface of disk 35 is fixedly connected, and described 34 one end of movable axis is actively socketed on eccentric shaft 33, the other end is can be first
The movable end rotated in vertical plane between eccentric disc 32 and the second eccentric disc 35 around eccentric shaft 33, the driven shaft 36 1
End is fixedly connected with the outer surface of the second eccentric disc 35, the other end is pierced by the second bearing seat 9 being fixed on the rack；It is described straight
Thread ball oscillating bearing 4 includes first connecting rod 41 and the second connecting rod 42, and 41 one end of first connecting rod passes through universal ball-joint 43
It is connect with 42 one end of the second connecting rod, 41 other end of first connecting rod is connect with the movable end of the movable axis 34, the second connection
42 other end of bar is connect with the top for rotating and upgrading axis 5 being arranged along the vertical direction；Described rotate and upgrade is fixed with limit on axis 5
Position sheave 10, limiting on 10 outer surface of sheave has limit skewed slot 101, and 11 one end of spacer pin is fixed on the rack, the other end is sliding
Dynamic cooperation limits vertical drop between the highest point and the lowest point of skewed slot 101 and 33 turns of eccentric shaft in limit skewed slot 101
Difference in height during dynamic between the highest point and the lowest point is identical, so that eccentric shaft 33 turns around, spacer pin 11 is in limit skewed slot
Back and forth, the angle that limit skewed slot 101 turns in the horizontal direction is identical as discharging 6 rotational angle of cross bar for operation one in 101；Institute
The bottom end for rotating and upgrading axis 5 is stated across the limit sliding sleeve 12 being fixed on the rack, with horizontally disposed discharging cross bar 6
One end is fixedly connected, and the other end of the discharging cross bar 6 is equipped with discharging container 7.
The working principle of the rotary automatic discharge apparatus of the crankshaft of the utility model is as follows:
When standby, eccentric shaft 33 is located at highest point, and spacer pin 11 is located at the lowermost end of limit skewed slot 101, and discharging container 7 is opened
Mouth upward, deducts in the discharge outlet of pyrotechnic composition automatic producing device bottom.
When filling finished product materials in discharging container 7 and needing to remove pyrotechnic composition automatic producing device bottom, control system control
Decelerating motor 1 processed provides power, and the driving shaft 31 by transmission shaft 2 with dynamic crankshaft 3 is in the first bearing seat 8 being fixed on the rack
Middle rotation, then drive the first eccentric disc 32, eccentric shaft 33 and the second eccentric disc 35 in 8 and of first bearing seat by driving shaft 31
Rotation, driven shaft 36 rotate in the second bearing seat 9 being fixed on the rack between second bearing seat 9, to drive movable sleeve
The movable axis 34 connect on eccentric shaft 33 moves down at highest point, and then drives rotation to mention by straight line ball joint bearing 4
The slide downward in limit sliding sleeve 12 of lifting shaft 5；During rotating and upgrading 5 slide downward of axis, it is fixed on and rotates and upgrades on axis 5
Limit sheave 10 move down therewith so that the spacer pin 11 being fixed on the rack from limit skewed slot 101 lowermost end to
Upper movement, since the highest point and the lowest point of limit skewed slot 101 has displacement, in the vertical direction in the presence of height in the horizontal direction
It is poor to spend, and therefore, in the position-limiting action of limit skewed slot 101, the rotation of 5 side trailing edge of axis is rotated and upgraded, to drive discharging 6 He of cross bar
7 side trailing edge of discharging container is spun out from the discharge port of pyrotechnic composition automatic producing device bottom, is rotated to most in eccentric shaft 33
When low spot, spacer pin 11 is moved to the highest point of limit skewed slot 101, rotates and upgrades axis 5 and drives discharging cross bar 6 and discharging container 7
Rotation completes a self-emptying process to set angle.
When splicing in contrast, discharging container 7 is put into one end of discharging cross bar 6, control system control decelerating motor 1 mentions
For power, eccentric shaft 33 is driven to move up from minimum point, rotates and upgrades 5 upward sliding of axis to drive, limit sheave 10
It moving up therewith, spacer pin 11 is moved down from the top of limit skewed slot 101, makes to rotate and upgrade the rotation of 5 side rising edge of axis,
To drive discharging cross bar 6 and 7 side rising edge of discharging container to rotate to from the discharge port of pyrotechnic composition automatic producing device bottom,
When eccentric shaft 33 rotates to highest point, spacer pin 11 is moved to the minimum point of limit skewed slot 101, rotates and upgrades axis 5 and drives discharging
Cross bar 6 and the rotation of discharging container 7 complete an automatic material connection process to discharge port.
As shown in Figs. 1-2, the output shaft of the decelerating motor 1 is connected by the input terminal of electromagnetic clutch 13 and transmission shaft 2
It connects, one end that the driven shaft 36 is pierced by second bearing seat 9 is further fixed on handle 14.Under power blackout situation, electromagnetic clutch 13
It is inoperative, power can be provided by way of manually rotated handle 14, the first eccentric disc 32, bias are driven by driven shaft 36
Axis 33, the second eccentric disc 35 and driving shaft 31 rotate.
As shown in Figs. 1-2, the edge of first eccentric disc 32 and/or the second eccentric disc 35 is additionally provided with manual brake
15.Manual brake 15 is resisted against to the edge of the first eccentric disc 32 and/or the second eccentric disc 35 in a manual mode, for mentioning
For resistance, prevent from rotating and upgrading the positions such as axis 5 due to gravity or effect of vibration slide downward.
As further preferred, between the first connecting rod 41 and the movable end of movable axis 34 and/or the second connecting rod
42 connect with adjusting screw rod is passed through before the top for rotating and upgrading axis 5, rotate and upgrade axis 5, discharging cross bar 6 and discharging for finely tuning
The elemental height of container 7, it is ensured that the opening of discharging container 7 is held in the discharge outlet of device bottom when splicing.
As shown in Figs. 1-2, in order to further increase stability, the number of the limit sliding sleeve 12 is two, the limit
Sheave 10 is located between two limit sliding sleeves 12.
As further preferred, inductor is set at the highest point and the lowest point in 33 rotation process of eccentric shaft, it is described
Inductor and the decelerating motor 1 are connect with control device.
Only the utility model and embodiments thereof are described above, description is not limiting, shown in attached drawing
Be also one of the embodiments of the present invention, actual structure is not limited to this, if those skilled in the art by
It is enlightened, and without deviating from the purpose of the present invention, is designed and the technical solution phase without creative
As structure and embodiments thereof, the protection scope of the utility model should all be belonged to.
Claims (6)
1. a kind of rotary automatic discharge apparatus of crankshaft, which is characterized in that including rack, decelerating motor (1), transmission shaft (2), song
Axis (3), straight line ball joint bearing (4) rotate and upgrade axis (5), discharging cross bar (6) and discharging container (7)；The decelerating motor
(1) it is fixed on the rack, the output shaft of decelerating motor (1) is connect with the input terminal of transmission shaft (2)；The crankshaft (3) includes master
Moving axis (31), the first eccentric disc (32), eccentric shaft (33), movable axis (34), the second eccentric disc (35) and driven shaft (36),
The setting and the two axis overlaps, institute along the vertical direction of first eccentric disc (32) and the second eccentric disc (35)
It states driving shaft (31) and driven shaft (36) is respectively positioned on the axis, the eccentric shaft (33) is parallel to the axis but does not exist
On the axis, described driving shaft (31) one end is fixedly connected with the outer surface of the first eccentric disc (32), the other end passes through admittedly
Fixed first bearing seat (8) on the rack and the output end of the transmission shaft (2) are bonded, described eccentric shaft (33) one end and first
The inner surface of eccentric disc (32) is fixedly connected, the other end is fixedly connected with the inner surface of the second eccentric disc (35), the work
Moving axis (34) one end is actively socketed on eccentric shaft (33), the other end is can be in the first eccentric disc (32) and the second eccentric disc
(35) around the movable end of eccentric shaft (33) rotation, described driven shaft (36) one end and the second eccentric disc in the vertical plane between
(35) outer surface is fixedly connected, the other end is pierced by the second bearing seat (9) being fixed on the rack；The straight line ball joint bearing
(4) include first connecting rod (41) and the second connecting rod (42), first connecting rod (41) one end by universal ball-joint (43) with
The connection of second connecting rod (42) one end, first connecting rod (41) other end are connect with the movable end of the movable axis (34), and second
Connecting rod (42) other end is connect with the top for rotating and upgrading axis (5) being arranged along the vertical direction；It is described to rotate and upgrade on axis (5)
It is fixed with limit sheave (10), limiting has limit skewed slot (101) on sheave (10) outer surface, spacer pin (11) one end is fixed
On the rack, the other end is slidably fitted in limit skewed slot (101), limits vertical height and eccentric shaft (33) of skewed slot (101)
Difference in height in rotation process between the highest point and the lowest point is identical, so that eccentric shaft (33) turns around, spacer pin (11) is being limited
Back and forth, the angle and discharging cross bar (6) that limit skewed slot (101) turns in the horizontal direction turn for operation one in position skewed slot (101)
Dynamic angle is identical；The bottom end for rotating and upgrading axis (5) passes through the limit sliding sleeve (12) that is fixed on the rack, and in the horizontal direction
One end of the discharging cross bar (6) of setting is fixedly connected, and the other end of discharging cross bar (6) is equipped with discharging container (7).
2. the rotary automatic discharge apparatus of crankshaft as described in claim 1, which is characterized in that the decelerating motor (1) it is defeated
Shaft is connect by electromagnetic clutch (13) with the input terminal of transmission shaft (2), and the driven shaft (36) is pierced by second bearing seat (9)
One end be further fixed on handle (14).
3. the rotary automatic discharge apparatus of crankshaft as claimed in claim 2, which is characterized in that first eccentric disc (32)
And/or second eccentric disc (35) edge be additionally provided with manually stop (15).
4. the rotary automatic discharge apparatus of crankshaft as described in claim 1, which is characterized in that the first connecting rod (41) with
Between the movable end of movable axis (34) and/or the second connecting rod (42) with rotate and upgrade axis (5) top before pass through adjusting silk
Bar connection.
5. the rotary automatic discharge apparatus of crankshaft as described in claim 1, which is characterized in that of limit sliding sleeve (12)
Number is two, and the limit sheave (10) is located between two limit sliding sleeves (12).
6. the rotary automatic discharge apparatus of crankshaft as described in claim 1, which is characterized in that in eccentric shaft (33) rotation process
In the highest point and the lowest point at be arranged inductor, the inductor and the decelerating motor (1) are connect with control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592043.7U CN208199807U (en) | 2018-04-24 | 2018-04-24 | A kind of rotary automatic discharge apparatus of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592043.7U CN208199807U (en) | 2018-04-24 | 2018-04-24 | A kind of rotary automatic discharge apparatus of crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208199807U true CN208199807U (en) | 2018-12-07 |
Family
ID=64521912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820592043.7U Expired - Fee Related CN208199807U (en) | 2018-04-24 | 2018-04-24 | A kind of rotary automatic discharge apparatus of crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208199807U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108438932A (en) * | 2018-04-24 | 2018-08-24 | 浏阳市浏河机械有限公司 | A kind of rotary automatic discharge apparatus of bent axle |
| CN109402712A (en) * | 2018-12-24 | 2019-03-01 | 重庆新腾源环保科技有限公司 | A kind of grinding wheel Zhi Sha nickel plating mechanism of Automatic-dumping hydrops |
-
2018
- 2018-04-24 CN CN201820592043.7U patent/CN208199807U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108438932A (en) * | 2018-04-24 | 2018-08-24 | 浏阳市浏河机械有限公司 | A kind of rotary automatic discharge apparatus of bent axle |
| CN108438932B (en) * | 2018-04-24 | 2024-01-30 | 浏阳市浏河机械有限公司 | Automatic discharging device with rotary crankshaft |
| CN109402712A (en) * | 2018-12-24 | 2019-03-01 | 重庆新腾源环保科技有限公司 | A kind of grinding wheel Zhi Sha nickel plating mechanism of Automatic-dumping hydrops |
| CN109402712B (en) * | 2018-12-24 | 2020-06-09 | 重庆新腾源环保科技有限公司 | Automatic sand-planting and nickel-plating mechanism for grinding wheel capable of dumping accumulated liquid |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |