CN112869187A - Intermittent type formula walnut rejuvenator - Google Patents
Intermittent type formula walnut rejuvenator Download PDFInfo
- Publication number
- CN112869187A CN112869187A CN202110074337.7A CN202110074337A CN112869187A CN 112869187 A CN112869187 A CN 112869187A CN 202110074337 A CN202110074337 A CN 202110074337A CN 112869187 A CN112869187 A CN 112869187A
- Authority
- CN
- China
- Prior art keywords
- extrusion
- chain
- eccentric wheel
- plate
- wheel
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N5/00—Machines for hulling, husking or cracking nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
Abstract
An intermittent walnut shell breaking machine comprises a chain wheel conveying device, a horizontal extrusion device, a vertical extrusion device and an intermittent transmission device. The chain wheel conveying device comprises a driving chain wheel, a driven chain wheel and a chain, chain transmission is formed, the driving chain wheel is connected with the driven gear, and the driven gear is meshed with the incomplete gear. The vertical extrusion device comprises an extrusion hammer, an eccentric wheel and an extrusion rod, and when a rotating shaft of the eccentric wheel drives the eccentric wheel to rotate, the outer edge of the eccentric wheel drives the extrusion rod to reciprocate. When the driving device drives the incomplete gear and the eccentric wheel to rotate, the eccentric wheel drives the extrusion hammer to extrude the inside of the transportation bin repeatedly once, the incomplete gear drives the driven gear to drive the driving chain wheel to rotate for a certain angle, so that the transportation bin extruded by the extrusion hammer on the chain leaves the working area of the extrusion hammer, and the adjacent transportation bin moves to the working area of the extrusion hammer. The shell breaking machine is simple in structure, simple and reliable in transmission system, convenient to manufacture and high in practicability, and can meet the requirement of agricultural production.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a novel walnut shell breaking machine.
Background
At present, the price of walnut kernel in the international market is dozens of times of that of walnut with shell, and walnut kernel is the basic raw material for deep processing such as walnut powder, walnut milk, walnut juice, food additive and the like. Therefore, the method for breaking the shells with high efficiency and good quality is urgently sought. Because the manual husking speed is difficult to meet the requirement of production development, the development of a high-efficiency husking machine is urgent. At present, the walnut shell breaking and kernel taking methods include a centrifugal collision type shell breaking method 2, a chemical corrosion method 3, a vacuum shell breaking method 4, an ultrasonic shell breaking method 5 and a fixed-gap extrusion shell breaking method.
Method 1: the broken kernels are too much, so the application is less; the 2 nd method: because the control is not good in the actual operation, the kernels are easy to be chemically corroded, the treatment is not good, and the environment is polluted, so that people are not willing to accept the method; the 3 rd and 4 th methods have expensive equipment, high shell breaking cost and unsatisfactory shell breaking effect; only the fifth method value is explored. However, the walnut has complicated varieties, large size difference, irregular shape and small gaps between shells and kernels, so that the difficulty in breaking the shells and taking the kernels of the walnuts is large.
Disclosure of Invention
The invention aims to overcome the defects of the technology and provide a novel walnut shell breaking machine.
In order to achieve the purpose, the invention adopts the technical scheme that:
the main parts of the walnut shell breaking machine comprise: the device comprises an eccentric wheel, an upper push rod, a groove type extrusion hammer, two side extrusion rods, a spring, an inner chain plate, an outer chain plate, a belt pulley, a motor and the like.
Go up the extrusion device through the axle be fixed in the frame, drive the eccentric wheel through the transmission shaft, recess formula extrusion hammer can up-and-down reciprocating motion, extrudees the walnut to realize extrusion for the first time. The groove type extrusion hammer and the push rod are connected through the bolt, and the walnut shells with different sizes can be basically broken through adding gaskets with different thicknesses.
The two-side extrusion rods are used for extruding the two sides of the walnut again after the upper-side impact rods impact the walnut, so that the second extrusion is realized, and the shell breaking rate of the walnut is ensured. The squeezing movement is provided by trapezoidal stops on both sides of the frame. The two side extrusion rods are provided with springs. The spring is mainly used for returning the two side extrusion rods. The chain is a bent plate chain. The outer chain plate is required to be provided with an extrusion rod, and the inner chain plate is required to be provided with walnuts.
The invention has the beneficial effects that:
the shell breaking mechanism adopts an intermittent transmission mode, and drives the belt pulley to transmit through the motor so as to drive the upper extrusion eccentric wheel device and the incomplete gear to move, thereby realizing intermittent motion. Because if the chain speed is too fast during the shell breaking of the shell breaking machine, the shell breaking effect of the rod extrusion rod can be influenced, the speed of the chain moving of the device is very low, so that the shell breaking machine can break a walnut in 1 second, and the shell breaking effect is better. In order to ensure the accuracy of transmission, the external transmission adopts belt transmission, the belt transmission works stably, and the efficiency is higher. The interior of the utility model is provided with two rows of chains, and a round groove shallow box (convenient for fixing walnuts) for placing walnuts is connected between the two rows of chains. The shell breaking machine is simple in structure, simple and reliable in transmission system, convenient to manufacture and high in practicability, and can meet the requirement of agricultural production.
Drawings
FIG. 1 is a schematic view of the overall structure of the novel walnut shell breaking machine;
FIG. 2 is a schematic view of an upper eccentric pressing device;
FIG. 3 is an enlarged view of the upper striking device assembled with the inner and outer link plates;
FIG. 4 is a top view of the connection of the outer link plate with the inner link plate;
FIG. 5 is a view of incomplete gear engagement;
in the figure: 1-a motor; 2-a frame; 3, rolling wheels; 4-extruding a hammer; 5-eccentric wheel; 6-extruding a rod; 7-inner chain plate; 8-a spring; 9-an outer chain plate; 10-a drive sprocket; 11-a driven gear; 12-incomplete gear; 13-trapezoidal stop blocks; 14-a first pulley; 15-a second pulley; 16-a belt; 17-a third pulley; 18-a stripper plate; 19-side impact bar.
Detailed Description
As shown in fig. 1, the walnut shell breaking device comprises a motor 1, a frame 2 and a roller 3; an extrusion hammer 4; an eccentric wheel 5; an extrusion stem 6; an inner link plate 7; a spring 8; an outer link plate 9; a drive sprocket 10; a driven gear 11; the incomplete gear 12; a trapezoidal stopper 13; a first pulley 14; a second pulley 15; a belt 16; a third pulley 17.
The invention aims to provide a chain transmission type walnut shell breaking machine which is simple in structure and stable in performance. To achieve the above purpose, the shell breaking machine should have the following functions:
(1) the problem that how to enter each working area to finish crushing in material conveying is firstly solved. The chain transmission principle is adopted in the application, on the basis of a chain wheel-chain, the inner chain plate 7 fixed on each chain link is designed, the inner chain plate 7 comprises a bottom plate and a side plate, a transportation bin with only an entrance and an exit is formed, and the transportation bin can only completely contain one walnut at each time. After the walnuts enter the transportation bin from the specific feeding port, the walnuts naturally fall into the transportation bin based on gravity and enter the extrusion working area together with the transportation bin under the restraint of the side plates. After the walnut is extruded and crushed, the walnut moves to the end part of the chain wheel, rotates along with the chain wheel and naturally falls out of the transportation bin, and the discharging work after the walnut is extruded and crushed is finished.
(2) The invention provides two extrusion modes for extruding walnuts from different directions when the walnuts move to an extrusion shell breaking area along with a transportation bin. The lateral compression is completed by the compression plate 18 compressed by the inner space of the inner link plate 7 driven by the side striking rod 19. The vertical extrusion is completed by the extrusion rod 6 driven by the eccentric wheel 5 to reciprocate and extrude from the inlet of the transportation bin to the inside.
(3) Intermittent transmission, because the eccentric wheel 5 of the invention drives the extrusion rod 6 to reciprocate to provide vertical extrusion from the outside of the transportation bin, the transportation bin needs to stay for a plurality of times in the working area of the reciprocating motion of the extrusion hammer 4, and then leaves the extrusion working area after the extrusion is completed, so that the sprocket wheel needs to adopt the intermittent transmission to ensure enough stay time.
Specifically, referring to fig. 1, the intermittent walnut shell breaking machine includes a frame 2 and a motor 1, and further includes:
the sprocket conveying apparatus, referring to fig. 1, includes a driving sprocket 10, a driven sprocket, and a chain. The driving chain wheel 10 and the driven chain wheel are respectively connected with the frame 2 to form a revolute pair, and the chain is connected with the driving chain wheel 10 and the driven chain wheel to form chain transmission. Each link of the chain is provided with an inner chain plate 7, each inner chain plate 7 comprises a bottom plate and a side plate, and the bottom plate is fixedly connected with the side plate to form a transportation bin with one open end, so that a complete walnut can completely fall into the transportation bin. Referring to fig. 4, in order to make the walnut more stable in positioning in the transportation bin, a spherical groove can be arranged in the middle of the bottom plate of the inner chain plate 7.
The horizontal pressing device, referring to fig. 4, includes a side striking rod 19, an outer link plate 9, and a trapezoidal stopper 13. The outer chain plate 9 is fixedly connected with the inner chain plate 7, and the side striking rods 19 are respectively connected with the inner chain plate 7 and the outer chain plate 9 to form a moving pair, so that the side striking rods can penetrate through the inner chain plate 7 and the outer chain plate 9 to extend towards the interior of the transportation bin. The side impact rod 19 is also connected with the inner chain plate 7 through a spring 8, so that the side impact rod 19 does not compress the inner space of the transportation bin in a natural state. One end of the side striking rod 19 is fixedly connected with the extrusion plate 18, and the other end of the side striking rod 19 is fixedly connected with the roller 3. The trapezoidal stop block 13 is fixedly connected with the frame 2, and the trapezoidal stop block 13 is arranged in the moving track of the roller 3 at the end part of the side impact rod 19.
When the roller 3 passes through the trapezoidal stop block 13, the trapezoidal stop block 13 drives the side striking rod 19 to drive the extrusion plate 18 to extrude the interior of the transport bin.
The vertical pressing apparatus, referring to fig. 2, includes a pressing hammer 4, an eccentric 5, and a pressing rod 6. The rotating shaft of the eccentric wheel 5 is connected with the machine frame 2 to form a rotating pair, the outer edge of the eccentric wheel 5 is connected with the extrusion rod 6 to form a rotating pair, and when the rotating shaft of the eccentric wheel 5 drives the eccentric wheel 5 to rotate, the outer edge of the eccentric wheel 5 drives the extrusion rod 6 to reciprocate. The end part 6 of the extrusion rod is provided with an extrusion hammer 4, and the extrusion hammer 4 can extrude the inside of the transportation bin from the open part of the transportation bin in a reciprocating way. The eccentric wheel 5 is connected with a driving device. Referring to fig. 3, in order to enable the walnut to be stressed more uniformly when being extruded by the extrusion hammer 4, the extrusion surface of the extrusion hammer 4 is a spherical groove.
Referring to fig. 1 and 4, the intermittent transmission includes a driven gear 11 and an incomplete gear 12, the driven gear 11 is engaged with the incomplete gear 12, the driven gear 11 is connected to a driving sprocket 10, and the incomplete gear 12 is connected to a driving device.
When the driving device drives the incomplete gear 12 and the eccentric wheel 5 to rotate, the eccentric wheel 5 drives the extrusion hammer 4 to extrude the interior of the transportation bin repeatedly once, the incomplete gear 12 drives the driven gear 11 to drive the driving chain wheel 10 to rotate for a certain angle, so that the transportation bin extruded by the extrusion hammer 4 on the chain leaves the working area of the extrusion hammer 4, and the adjacent transportation bin moves to the working area of the extrusion hammer 4.
Further, referring to fig. 1, the driving device is a motor 1, an output shaft of the motor 1 is connected with a third belt pulley 17, the eccentric wheel 5 is connected with a second belt pulley 15, and the incomplete gear 12 is connected with a first belt pulley 14. The first belt pulley 14 and the second belt pulley 15 are connected through a belt 16 to form a belt transmission, and the second belt pulley 15 and the third belt pulley 17 are connected through the belt 16 to form the belt transmission.
Further, referring to fig. 2, two squeezing hammers 4 are provided at the end of the squeezing rod 6, so that the two squeezing hammers 4 can enter two adjacent transport bins simultaneously. When the driving device drives the incomplete gear 12 and the eccentric wheel 5 to rotate, the incomplete gear 12 drives the driven gear 11 to drive the driving sprocket 10 to rotate when the eccentric wheel 5 drives the extrusion hammer 4 to extrude the interior of the transport bin in a reciprocating manner, so that the transport bins on the chain move forwards to the positions of the two transport bins.
The working principle of the invention is as follows:
the motor 1 is fixed on the frame 2, and the driving sprocket 10 is fixed on the frame 2 through two transmission shafts, as shown in fig. 2, the upper extrusion device: the upper striking rod comprises an extrusion rod 6, an extrusion hammer 4 and an eccentric wheel 5, the extrusion device is fixed on the frame 2 by a transmission shaft and a bearing seat, and the extrusion hammer is vertically arranged in a shallow box between the extrusion devices at two sides in the figure. Fig. 3 is a structural view of the extrusion hammer, which uses the groove extrusion surface to obtain a larger contact area, in fig. 4, the side striking rod 19 is vertically arranged and fixed on the frame 2, the left and right extrusion plates 18 are horizontally arranged on both sides of the extrusion shallow box, the inner chain plate 7 is connected with the outer chain 9 through a connecting rod, and the spring 8 is arranged on the connecting rod. Fig. 5 shows a partial gear 12 meshing structure.
The walnuts are placed into an extrusion box with a circular groove (the walnuts are convenient to fix), a motor drives a third belt pulley 17 to rotate, a second belt pulley 15 is driven to move through a belt 16, so that a first belt pulley 14 is driven to rotate, the incomplete gear 12 drives a driving chain wheel to transmit, and a walnut placing inner chain plate 7 device between two rows of chains also moves intermittently along with the first belt pulley 14. At this time, the eccentric wheel 5 starts to rotate, and the squeezing hammer 4 squeezes the walnuts downwards and then shrinks upwards. When the incomplete gear 12 rotates for one circle, two extrusion boxes can be moved each time, and the rotation of the eccentric wheel 5 can drive the extrusion hammer 4 to complete one reciprocating motion, so that the up-and-down extrusion and shell breaking are realized. At the moment, the trapezoidal check blocks 13 on the two sides of the rack are in contact with the rollers 3 on the outer chain plates 9, the hitting devices on the two sides of the chain plates of the spring 8 extrude towards the middle, and along with the movement of the chain plates, the hitting devices on the two sides extrude the walnuts again, so that the complete shell breaking of the walnuts is realized, and the shell breaking rate of the walnuts is improved.
Claims (5)
1. The utility model provides an intermittent type formula walnut rejuvenator, includes frame and motor, its characterized in that includes:
the chain wheel conveying device comprises a driving chain wheel, a driven chain wheel and a chain; the driving chain wheel and the driven chain wheel are respectively connected with the frame to form a rotating pair, and the chain is connected with the driving chain wheel and the driven chain wheel to form chain transmission; each chain link of the chain is provided with an inner chain plate, each inner chain plate comprises a bottom plate and a side plate, and the bottom plate is fixedly connected with the side plate to form a transportation bin with one open end, so that a complete walnut can completely fall into the transportation bin;
the horizontal extrusion device comprises a side striking rod, an outer chain plate and a trapezoidal stop block; the outer chain plate is fixedly connected with the inner chain plate, the side striking rods are respectively connected with the inner chain plate and the outer chain plate to form a moving pair, and the side striking rods are also connected with the inner chain plate through springs; one end of the side striking rod is fixedly connected with the extrusion plate, and the other end of the side striking rod is fixedly connected with the roller; the trapezoidal stop block is fixedly connected with the rack and arranged in the moving track of the roller at the end part of the side striking rod; when the roller passes through the trapezoidal stop block, the trapezoidal stop block drives the side striking rod to drive the extrusion plate to extrude the interior of the transportation bin;
the vertical extrusion device comprises an extrusion hammer, an eccentric wheel and an extrusion rod; the rotating shaft of the eccentric wheel is connected with the frame to form a rotating pair, the outer edge of the eccentric wheel is connected with the extrusion rod to form a rotating pair, and when the rotating shaft of the eccentric wheel drives the eccentric wheel to rotate, the outer edge of the eccentric wheel drives the extrusion rod to reciprocate; the end part of the extrusion rod is provided with an extrusion hammer which can extrude the interior of the transportation bin from the opening part of the transportation bin in a reciprocating way; the eccentric wheel is connected with a driving device;
the intermittent transmission device comprises a driven gear and an incomplete gear, wherein the driven gear is meshed with the incomplete gear, the driven gear is connected with a driving chain wheel, and the incomplete gear is connected with a driving device;
when the driving device drives the incomplete gear and the eccentric wheel to rotate, the eccentric wheel drives the extrusion hammer to extrude the inside of the transportation bin repeatedly once, the incomplete gear drives the driven gear to drive the driving chain wheel to rotate for a certain angle, so that the transportation bin extruded by the extrusion hammer on the chain leaves the working area of the extrusion hammer, and the adjacent transportation bin moves to the working area of the extrusion hammer.
2. The shell breaking machine according to claim 1, wherein the driving device is a motor, an output shaft of the motor is connected with a third belt pulley, the eccentric wheel is connected with a second belt pulley, and the incomplete gear is connected with the first belt pulley; the first belt pulley and the second belt pulley are connected through a belt to form belt transmission, and the second belt pulley and the third belt pulley are connected through a belt to form belt transmission.
3. The shell breaking machine according to claim 1, wherein two extrusion hammers are provided at the end of the extrusion rod so that the two extrusion hammers can simultaneously enter two adjacent transport bins; when the driving device drives the incomplete gear and the eccentric wheel to rotate, the eccentric wheel drives the extrusion hammer to extrude the interior of the transportation bin repeatedly once, the incomplete gear drives the driven gear to drive the driving chain wheel to rotate for a circle, and the transportation bin on the chain moves forwards to the positions of the two transportation bins.
4. The hull-breaking machine according to claim 1, characterized in that the pressing surface of said pressing hammer is a spherical groove.
5. The hull breaker of claim 1, wherein the bottom plate of the inner link plate is provided with a spherical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074337.7A CN112869187A (en) | 2021-01-20 | 2021-01-20 | Intermittent type formula walnut rejuvenator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110074337.7A CN112869187A (en) | 2021-01-20 | 2021-01-20 | Intermittent type formula walnut rejuvenator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112869187A true CN112869187A (en) | 2021-06-01 |
Family
ID=76050297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110074337.7A Pending CN112869187A (en) | 2021-01-20 | 2021-01-20 | Intermittent type formula walnut rejuvenator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112869187A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040094044A1 (en) * | 2002-11-11 | 2004-05-20 | Sam Milich | Manually operated nut-cracking device |
| CN203590917U (en) * | 2013-12-02 | 2014-05-14 | 青岛理工大学 | Walnut cutting extruding shell-breaking flexible peening kernel-taking device |
| CN204466840U (en) * | 2015-02-13 | 2015-07-15 | 陕西科技大学 | A kind of rotary extrusion type shell-breaking machine of walnut |
| CN204949430U (en) * | 2015-07-01 | 2016-01-13 | 安吉万源聚机械科技有限公司 | A intermittent type formula drive arrangement that reciprocates for pecan rejuvenator |
| CN108703383A (en) * | 2018-08-08 | 2018-10-26 | 郑志明 | A kind of nut stripping meat device |
| CN111436624A (en) * | 2020-05-14 | 2020-07-24 | 青岛理工大学 | Walnut shell breaking device, walnut kernel taking device and method |
-
2021
- 2021-01-20 CN CN202110074337.7A patent/CN112869187A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040094044A1 (en) * | 2002-11-11 | 2004-05-20 | Sam Milich | Manually operated nut-cracking device |
| CN203590917U (en) * | 2013-12-02 | 2014-05-14 | 青岛理工大学 | Walnut cutting extruding shell-breaking flexible peening kernel-taking device |
| CN204466840U (en) * | 2015-02-13 | 2015-07-15 | 陕西科技大学 | A kind of rotary extrusion type shell-breaking machine of walnut |
| CN204949430U (en) * | 2015-07-01 | 2016-01-13 | 安吉万源聚机械科技有限公司 | A intermittent type formula drive arrangement that reciprocates for pecan rejuvenator |
| CN108703383A (en) * | 2018-08-08 | 2018-10-26 | 郑志明 | A kind of nut stripping meat device |
| CN111436624A (en) * | 2020-05-14 | 2020-07-24 | 青岛理工大学 | Walnut shell breaking device, walnut kernel taking device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050284311A1 (en) | Pitting machine comprising a punching head which performs a curvilinear oscillatory movement in synchronization with the translation movement of fruits to be pitted | |
| CN212576358U (en) | Fixed nickeliferous waste material reducing mechanism | |
| CN204120076U (en) | A kind of bread producing machine | |
| CN112869187A (en) | Intermittent type formula walnut rejuvenator | |
| CN215224592U (en) | Eccentric wheel and chain drive matched intermittent walnut shell breaking machine | |
| CN212975271U (en) | Fodder secondary crushing high-efficient device that utilizes | |
| CN113303111A (en) | Environment-friendly biomass straw crushing and briquetting integrated device and method | |
| CN201911268U (en) | Novel jujube pitter | |
| CN111296857A (en) | Centre gripping punching press formula red date stoner | |
| CN113263533B (en) | Automatic jujube pitting and slicing machine | |
| CN208275548U (en) | A kind of environmental protection equipment that the crush efficiency for preventing from getting stuck is high | |
| CN214902308U (en) | Environment-friendly biomass straw smashing and briquetting integrated device | |
| CN105105307A (en) | Device for making popcorn balls | |
| CN213006729U (en) | Novel feed processing handles device | |
| CN108015117A (en) | A kind of Novel object processes extrusion forming device | |
| CN211766774U (en) | Automatic ice cream packaging line | |
| CN102827719A (en) | Pneumatic bending press and bending method | |
| CN112476864A (en) | Rubber reducing mechanism of rubber production and processing | |
| CN207125274U (en) | A kind of efficiently cooked egg is shelled shell pulverizer | |
| CN218488968U (en) | Mould for plastic processing | |
| CN211137282U (en) | Continuous rapid cutting device for deep processing of agricultural products | |
| CN111389997B (en) | Tail stamping device for production of electric automatic refrigerator double-tail filter | |
| CN114794182B (en) | Automatic ball equipment of rubbing with hands of bread pretreatment | |
| CN117019277A (en) | Feed production is with processingequipment | |
| CN219851639U (en) | Guardrail fence punching machine |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210601 |
|
| RJ01 | Rejection of invention patent application after publication |