CN214416731U - High-precision demoulding spraying device for scrap cake machine - Google Patents
High-precision demoulding spraying device for scrap cake machine Download PDFInfo
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- CN214416731U CN214416731U CN202022975943.XU CN202022975943U CN214416731U CN 214416731 U CN214416731 U CN 214416731U CN 202022975943 U CN202022975943 U CN 202022975943U CN 214416731 U CN214416731 U CN 214416731U
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- release agent
- sprayer
- valve
- precision
- cake machine
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- 238000005507 spraying Methods 0.000 title claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 238000003860 storage Methods 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 28
- 239000007921 spray Substances 0.000 claims description 20
- 238000005303 weighing Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 24
- 238000005056 compaction Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 8
- 241001330002 Bambuseae Species 0.000 abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 8
- 239000000314 lubricant Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 208000004350 Strabismus Diseases 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a bits cake machine technical field, concretely relates to high accuracy drawing of patterns atomizer for bits cake machine. At present, in order to further improve the density of cakes, the inner wall of a die cylinder and the upper plane of a pumping block bear high pressure, particularly for materials containing less oil, the related contact surfaces can be accelerated to wear and generate accumulated scraps, so that the equipment has a clamping failure, the die cylinder and the pumping block are also frequently replaced, the production efficiency is low, and the cost is greatly improved. The utility model discloses a set up the decurrent passageway of slope on pre-compaction storage bucket hole upper portion, set up the shower nozzle of atomizer inside the passageway, the depression bar is accomplished the drawing of patterns and is risen to the passageway when spacing and expose, and the high pressure atomizing release agent that erupts from the shower nozzle can scatter and evenly adhere in pre-compaction storage bucket hole lower part, mould section of thick bamboo inner wall and take out the piece upper plane in order to form the lubricant film in sufficient distance, and the drawing of patterns is smooth and easy, and the mould loss is little, has improved production efficiency effectively, has reduced manufacturing cost. The utility model discloses mainly used bits cake machine drawing of patterns.
Description
Technical Field
The utility model relates to a bits cake machine technical field, concretely relates to high accuracy drawing of patterns atomizer for bits cake machine.
Background
The scrap cake machine is mainly used for cold-pressing metal materials such as cast iron scraps, steel scraps, copper scraps, aluminum scraps, high-quality mineral powder and the like into cylindrical or other cake blocks through high pressure, so that the transportation and smelting losses in the recycling process are reduced. In recent years, for energy conservation and environmental protection, the links of smelting and rod making in a smelting furnace are bypassed, various materials are directly subjected to impurity removal and heating, compact cake blocks are formed under high pressure, the existing structure of the scrap cake machine cannot meet the use requirement, and improvement is urgently needed.
As shown in fig. 1, the structure of the existing crumb cake machine 3 includes a pressure bar 31, a column 32, a material pushing block 33, a mold cylinder seat 34, a mold cylinder 35, a pumping block 36 and a base 37, wherein the pressure bar 31, the material pushing block 33, the material pre-pressing barrel 12 and the pumping block 36 are driven by an oil cylinder, the material pushing block 33 and the pumping block 36 move horizontally, and the pressure bar 31 moves up and down. The working process is as follows: the bottom of the die cylinder 35 is sealed by the pulling block 36, the material is pushed into the pre-pressing barrel 12 and the die cylinder 35 by the pushing block 33, the material in the pre-pressing barrel 12 is preliminarily compressed to improve the yield, the material in the pre-pressing barrel 12 and the material in the die cylinder 35 are downwards extruded by the pressing rod 31 to form cakes, then the pressing rod 31 microlitres releases the pressure, the pulling block 36 retracts to open the bottom of the die cylinder 35, the pressing rod 31 descends again to press out the cakes, and then the pulling block 36 extends to push out the cakes. In order to further improve the cake density, the inner wall of the die cylinder 35 and the upper plane of the pumping block 36 bear high pressure, huge friction force can be generated when the pumping block 36 returns and the cake is demoulded, particularly for materials containing less oil, the related contact surface can be accelerated to wear and generate accumulated chips, so that the equipment has a clamping failure, the die cylinder 35 and the pumping block 36 are frequently replaced, the production efficiency is low, and the cost is greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bits is high accuracy drawing of patterns atomizer for cake machine to solve drawing of patterns trouble and the high problem of manufacturing cost.
The utility model discloses a bits is high accuracy drawing of patterns atomizer for cake machine is realized like this:
the high-precision demoulding spraying device for the crumb cake machine comprises a spraying assembly 1 and a demoulding agent supply control assembly 2; the spraying assembly 1 is communicated with the release agent supply control assembly 2, a channel 121 is arranged at the upper part of an inner hole of the pre-pressing barrel 12, the channel 121 inclines downwards, and the lower end of the channel 121 is positioned below the pressing rod 31 when the pressing rod 31 is positioned at the upper limit position; the spray assembly 1 comprises at least one sprayer 11, the spray head of said sprayer 11 being arranged inside a channel 121; the release agent supply control module 2 is used for supplying the release agent and is capable of controlling the ejection period and the ejection interval time of the release agent.
Further, the sprayer 11 is a machine tool sprayer; the release agent supply control assembly 2 comprises a duplex piece 21, a first electromagnetic valve 22, a pressure regulating valve 23, a second electromagnetic valve 24, an exhaust valve 25, a charging pipe 26, a valve 27 and a liquid storage tank 28; compressed air is divided into two paths through a pipeline, flows through the air inlet of the sprayer 11 through the two-way piece 21 and the first electromagnetic valve 22 in sequence all the way, flows through the other path, the pressure regulating valve 23 enters the liquid storage tank 28, the release agent flows through the second electromagnetic valve 24 from the liquid storage tank 28 under the action of air pressure to enter the oil inlet of the sprayer 11, the exhaust valve 25 is communicated with the upper end of the liquid storage tank 28, and the liquid adding pipe 26 is communicated with the liquid storage tank 28 through the valve 27.
Further, the release agent supply control assembly 2 further comprises a weighing device 4, and the weighing device 4 is used for monitoring the release agent using amount, whether a pipeline is blocked and alarming release agent exhaustion.
Further, the weighing device 4 is a weighing sensor.
Further, the channel 121 is a groove.
Further, the spraying assembly 1 further comprises a nozzle fixing seat 13 and a set screw 14; the nozzle fixing seat 13 is respectively connected with the spray head of the sprayer 11 and the pre-pressing charging bucket 12, and the set screw 14 is arranged on one side of the nozzle fixing seat 13 and used for clamping the spray head of the sprayer 11.
The utility model has the advantages that:
(1) the utility model discloses a set up the decurrent passageway of slope on pre-compaction storage bucket hole upper portion, the shower nozzle setting of atomizer is inside the passageway, when the ejector pad pushes the material into pre-compaction storage bucket and mould section of thick bamboo in, the material is under gravity and lateral thrust's combined action, it is less to be located the material internal pressure on pre-compaction storage bucket hole upper portion, can not block up the shower nozzle of atomizer, the shower nozzle of atomizer is great with the distance of mould section of thick bamboo simultaneously, make the depression bar accomplish the drawing of patterns and rise to the passageway when supreme spacing, the high pressure atomizing release agent that erupts from the shower nozzle can scatter and evenly adhere in pre-compaction storage bucket hole lower part in sufficient distance, mould section of thick bamboo inner wall and piece upper plane are in order to form the lubricant film, frictional force reduces greatly when taking out the piece and returning back to the drawing of patterns with the cake piece, the drawing of patterns is smooth and easy, the mould loss is little, production efficiency has been improved effectively, and production cost is reduced.
(2) The utility model discloses a set up first solenoid valve and second solenoid valve at release agent supply control assembly and be used for controlling the break-make of gas circuit and oil circuit respectively, make the shower nozzle of atomizer can only spout compressed air and prevent the shower nozzle to block up when the ejector pad pushes the material into pre-compaction storage bucket and mould section of thick bamboo, advance oil circuit blowout compressed air form high pressure atomization release agent when the depression bar accomplishes the drawing of patterns and rises to upper limit, reduce the loss of release agent; the machine tool sprayer is selected, and the sprayer is long and thin, so that the occupied space is small, the channel is small, and the blocking risk is reduced; meanwhile, a weighing device is adopted, particularly a weighing sensor with high precision and small volume is adopted, the using amount of the release agent, whether a pipeline is blocked or not and the release agent exhaustion can be monitored in real time according to the weight change of the liquid storage tank, the using amount of the release agent is reduced, the control precision of the using amount of the release agent is effectively improved, and the production cost is reduced.
(3) The utility model discloses a set up the passageway into the slot for the processing degree of difficulty and cost are all less, choose for use simultaneously to connect the shower nozzle and the pre-compaction storage bucket of atomizer respectively to the nozzle fixing base, and holding screw is used for pressing from both sides tight shower nozzle of atomizer, and the position does not squint under compressed air's reaction force when making the shower nozzle spray, and convenient the dismantlement, has reduced drawing of patterns trouble effectively.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of the present invention;
fig. 2 is a partial view a of the present invention;
fig. 3 is a partial view B of the present invention;
fig. 4 is a schematic view of the feeding of the present invention;
in the figure: the device comprises a spraying assembly 1, a sprayer 11, a pre-pressing barrel 12, a nozzle fixing seat 13, a set screw 14, a channel 121, a release agent supply control assembly 2, a duplex piece 21, a first electromagnetic valve 22, a pressure regulating valve 23, a second electromagnetic valve 24, an exhaust valve 25, a liquid feeding pipe 26, a valve 27, a liquid storage tank 28, a scrap cake machine 3, a pressure rod 31, an upright post 32, a material pushing block 33, a die cylinder seat 34, a die cylinder 35, a drawing block 36, a base 37 and a weighing device 4.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the high-precision demoulding spraying device for the chip cake machine comprises a spraying assembly 1 and a demoulding agent supply control assembly 2; the spraying assembly 1 is communicated with the release agent supply control assembly 2, a channel 121 is arranged at the upper part of an inner hole of the pre-pressing barrel 12, the channel 121 inclines downwards, and the lower end of the channel 121 is positioned below the pressing rod 31 when the pressing rod 31 is positioned at an upper limit position; the spraying assembly 1 comprises at least one sprayer 11, the head of the sprayer 11 being arranged inside the channel 121; the release agent supply control module 2 is for supplying the release agent and is capable of controlling the ejection period and the ejection interval time of the release agent. Above structure sets up the decurrent passageway of slope through setting up on pre-compaction storage bucket hole upper portion, the shower nozzle setting of atomizer is inside the passageway, when the ejector pad pushes the material into pre-compaction storage bucket and mould section of thick bamboo, the material is under gravity and lateral thrust's combined action, it is less to lie in the material internal pressure on pre-compaction storage bucket hole upper portion, can not block up the shower nozzle of atomizer, the shower nozzle of atomizer is great with the distance of mould section of thick bamboo simultaneously, make the depression bar accomplish the drawing of patterns and rise to the passageway when spacing, the high pressure atomization release agent that erupts from the shower nozzle can scatter and evenly adhere in pre-compaction storage bucket hole lower part in sufficient distance, mould section of thick bamboo inner wall and piece upper plane are in order to form the lubricating layer with taking out, frictional force reduces greatly when taking out the piece and returning to the drawing of patterns with the cake piece, the drawing of patterns is smooth and easy, the mould loss is little, production efficiency has been improved effectively, and production cost is reduced.
The sprayer 11 is a machine tool sprayer; the release agent supply control assembly 2 comprises a duplex piece 21, a first electromagnetic valve 22, a pressure regulating valve 23, a second electromagnetic valve 24, an exhaust valve 25, a charging pipe 26, a valve 27 and a liquid storage tank 28; compressed air is divided into two paths through a pipeline, one path of compressed air sequentially flows through the two-way piece 21 and the first electromagnetic valve 22 to enter an air inlet of the sprayer 11, the other path of compressed air flows through the pressure regulating valve 23 to enter the liquid storage tank 28, the release agent flows from the liquid storage tank 28 through the second electromagnetic valve 24 to enter an oil inlet of the sprayer 11 under the action of air pressure, the exhaust valve 25 is communicated with the upper end of the liquid storage tank 28, and the liquid adding pipe 26 is communicated with the liquid storage tank 28 through the valve 27. The release agent supply control assembly 2 further comprises a weighing device 4, and the weighing device 4 is used for monitoring the release agent consumption, whether a pipeline is blocked and giving an alarm of release agent exhaustion. The weighing means 4 is a load cell. The structure is that the release agent supply control assembly is provided with the first electromagnetic valve and the second electromagnetic valve which are respectively used for controlling the on-off of the air path and the oil path, so that when a material is pushed into the pre-pressing barrel and the die cylinder by the material pushing block, a nozzle of the sprayer can only spray compressed air to prevent the nozzle from being blocked, and when the pressing rod finishes demoulding and rises to the upper limit, the compressed air is sprayed out from the oil path in advance to form a high-pressure atomized release agent, so that the loss of the release agent is reduced; the machine tool sprayer is selected, and the sprayer is long and thin, so that the occupied space is small, the channel is small, and the blocking risk is reduced; meanwhile, a weighing device is adopted, particularly a weighing sensor with high precision and small volume is adopted, the using amount of the release agent, whether a pipeline is blocked or not and the release agent exhaustion can be monitored in real time according to the weight change of the liquid storage tank, the using amount of the release agent is reduced, the control precision of the using amount of the release agent is effectively improved, and the production cost is reduced.
The channel 121 is a groove, and the spraying assembly 1 further comprises a nozzle fixing seat 13 and a set screw 14; the nozzle fixing seat 13 is respectively connected with the spray head of the sprayer 11 and the pre-pressing charging bucket 12, and the fastening screw 14 is arranged on one side of the nozzle fixing seat 13 and used for clamping the spray head of the sprayer 11. Above structure is through setting up the passageway into the slot for the processing degree of difficulty and cost are all less, choose for use simultaneously to connect the shower nozzle and the pre-compaction storage bucket of atomizer respectively to the nozzle fixing base, and holding screw is used for pressing from both sides tight shower nozzle of atomizer, and the position does not squint under compressed air's reaction force when making the shower nozzle spray, and convenient the dismantlement, has reduced drawing of patterns trouble effectively.
The working principle is as follows:
compressed air is divided into two paths, one path of compressed air sequentially passes through the two-way piece and the first electromagnetic valve to enter an air inlet of the sprayer, the other path of compressed air passes through the pressure regulating valve to enter a liquid storage tank, a release agent flows through the second electromagnetic valve from the liquid storage tank to enter an oil inlet of the sprayer under the action of air pressure, the first electromagnetic valve and the second electromagnetic valve are controlled to be opened and closed by a PLC (not shown in the figure), flow regulating knobs are arranged at the oil inlet and the air inlet of the sprayer, a channel is exposed when a pressure rod finishes demoulding and rises to an upper limit, the PLC (not shown in the figure) controls the first electromagnetic valve to be opened, compressed air is sprayed out from a spray head of the sprayer, the PLC (not shown in the figure) controls the second electromagnetic valve to be opened, the release agent is mixed in a spray head of the sprayer to form a high-pressure atomized release agent, and the high-pressure release agent is dispersed in a sufficient distance and uniformly adhered to the lower part of an inner hole of the pre-pressing barrel, the inner wall of the die barrel and the upper plane of the drawing block to form a lubricating layer, after keeping for 0.1-5 seconds, the PLC (not shown in the figure) controls the second electromagnetic valve to be closed to finish spray lubrication, then when the material pushing block pushes the material into the pre-pressing barrel and the die cylinder, the pressing rod downwards extrudes the material in the pre-pressing barrel and the die cylinder to form cakes, then the pressing rod is lifted to relieve pressure, the drawing block retracts to open the bottom of the die cylinder, the pressing rod descends again to extrude the cakes, then the drawing block extends to push the cakes out, and when the pressing rod is lifted to an upper limit position, the channel is exposed to finish a cycle action. The weighing device monitors the using amount of the release agent, whether a pipeline is blocked and the release agent is exhausted in real time according to the weight change of the liquid storage tank. And after the release agent is exhausted and an alarm is given, the gas circuit is disconnected, the exhaust valve is opened to release the pressure in the liquid storage tank, and then the valve is opened to fill the release agent by the liquid feeding pipe.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (6)
1. The high-precision demolding spraying device for the chip cake machine is characterized by comprising a spraying assembly (1) and a demolding agent supply control assembly (2); the spraying assembly (1) is communicated with the release agent supply control assembly (2), a channel (121) is arranged at the upper part of an inner hole of the pre-pressing barrel (12), the channel (121) inclines downwards, and the lower end of the channel (121) is positioned below the pressure rod (31) when the pressure rod (31) is positioned at an upper limit position; the spray assembly (1) comprises at least one sprayer (11), the spray head of the sprayer (11) being arranged inside a channel (121); the release agent supply control assembly (2) is used for supplying release agent and can control the spraying time length and the spraying interval time of the release agent.
2. A high-precision demoulding spray device for a crumb cake machine according to claim 1, wherein the sprayer (11) is a machine tool sprayer; the release agent supply control assembly (2) comprises a duplex piece (21), a first electromagnetic valve (22), a pressure regulating valve (23), a second electromagnetic valve (24), an exhaust valve (25), a liquid feeding pipe (26), a valve (27) and a liquid storage tank (28); compressed air divides two the tunnel through the pipeline, flows through in proper order all the way the air inlet that allies oneself with piece (21) and first solenoid valve (22) got into atomizer (11), and another way flows through air-vent valve (23) get into liquid storage pot (28), and the release agent flows through second solenoid valve (24) and gets into the oil inlet of atomizer (11) from liquid storage pot (28) under the air pressure effect, discharge valve (25) and liquid storage pot (28) upper end intercommunication, liquid feeding pipe (26) are through valve (27) and liquid storage pot (28) intercommunication.
3. A high precision release sprayer for chipmakers according to claim 2, characterized in that said release agent supply control assembly (2) further comprises weighing means (4), said weighing means (4) being adapted to monitor the release agent dosage, whether the piping is blocked and the release agent exhaustion alarm.
4. A high-precision de-molding spraying device for chipcake machines according to claim 3, characterised in that said weighing means (4) are weighing sensors.
5. A high precision release spray device for chipcake machines according to claim 1, characterised in that said channels (121) are grooves.
6. A high-precision demoulding spray device for a crumb cake machine according to claim 1, wherein the spray assembly (1) further comprises a nozzle fixing seat (13) and a set screw (14); the nozzle fixing seat (13) is respectively connected with a spray head of the sprayer (11) and the pre-pressing charging basket (12), and the set screw (14) is arranged on one side of the nozzle fixing seat (13) and used for clamping the spray head of the sprayer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022975943.XU CN214416731U (en) | 2020-12-07 | 2020-12-07 | High-precision demoulding spraying device for scrap cake machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022975943.XU CN214416731U (en) | 2020-12-07 | 2020-12-07 | High-precision demoulding spraying device for scrap cake machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214416731U true CN214416731U (en) | 2021-10-19 |
Family
ID=78051676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022975943.XU Expired - Fee Related CN214416731U (en) | 2020-12-07 | 2020-12-07 | High-precision demoulding spraying device for scrap cake machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214416731U (en) |
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2020
- 2020-12-07 CN CN202022975943.XU patent/CN214416731U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20211019 |