CN113843973A - Injection molding device for food plastic box - Google Patents
Injection molding device for food plastic box Download PDFInfo
- Publication number
- CN113843973A CN113843973A CN202111185288.0A CN202111185288A CN113843973A CN 113843973 A CN113843973 A CN 113843973A CN 202111185288 A CN202111185288 A CN 202111185288A CN 113843973 A CN113843973 A CN 113843973A
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- CN
- China
- Prior art keywords
- frame body
- inner frame
- trigger
- net
- seat
- 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
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims abstract description 16
- 230000009467 reduction Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 238000005452 bending Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011345 viscous material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention provides an injection molding device of a food plastic box, which comprises an outer frame body and an inner frame body arranged at the inner side of the outer frame body, wherein a spring seat for suspending the inner frame body at the inner side of the outer frame body is connected between the inner frame body and the outer frame body, a cover plate is arranged at the top of an inner cavity of the inner frame body, a feeding port communicated with the inner frame body is arranged on the cover plate, a stirring shaft extending downwards into the inner frame body is arranged on an action shaft of a motor, a trigger rod is arranged on the stirring shaft, a downward bending corner part is arranged at the other end of the trigger rod, when the stirring shaft rotates to the position of the trigger seat along with the stirring shaft, the stirring shaft and the trigger seat generate extrusion, so that a leakage net is forced to move downwards, when the stirring shaft leaves the trigger seat, the leakage net is rapidly reset upwards under the action of a tension spring, and a flapping action is generated when the leakage net is reset upwards, so that the leakage net generates vibration by the flapping action, thereby vibrating the materials melted in the meshes downwards to prevent the meshes from being blocked to influence the blanking.
Description
Technical Field
The invention relates to the technical field of injection molding devices, in particular to an injection molding device for a food plastic box.
Background
The injection molding is a common method for producing and molding industrial products, and in the field of food price processing, the injection molding is generally used for manufacturing food plastic packaging boxes.
In order to solve the above problems, chinese patent No. CN202020752525.1 issued on publication No. 20210209 discloses an injection molding apparatus for a plastic food case, which can solve the above problems to some extent, but has the following drawbacks.
After the materials crushed on the leaking net are heated by the leaking net, the materials after being hot-melted are easy to cause the holes of the leaking net to be blocked due to certain viscosity, so that a large amount of materials can be accumulated on the leaking net to influence blanking.
Disclosure of Invention
The invention aims to solve the technical problem that the leakage net is arranged in a flapping mode according to the defects of the prior art, so that materials melted in meshes are smoothly discharged after flapping actions, and the functional structure of the leakage net is improved.
The technical scheme includes that the injection molding device of the food plastic box comprises an outer frame body and an inner frame body arranged on the inner side of the outer frame body, a spring seat enabling the inner frame body to be suspended on the inner side of the outer frame body is connected between the inner frame body and the outer frame body, a cover plate is arranged at the top of an inner cavity of the inner frame body, a feeding port communicated with the inner frame body is arranged on the cover plate, a motor is arranged on the cover plate, a stirring shaft extending downwards into the inner frame body is arranged on an action shaft of the motor, a trigger rod is arranged on the stirring shaft, a downward-bent corner part is arranged at the other end of the trigger rod, an insertion cavity is formed in the corner part, a lifting rod capable of moving upwards and downwards along the inner cavity of the lifting rod is arranged in the insertion cavity, a trigger seat is arranged at the bottom of the lifting rod, a leakage net is arranged in the inner frame body, a circular ring fixed on the inner wall of the inner frame body is arranged in the inner frame body, and a plurality of pulling rods which are vertically upwards connected to the circular ring are distributed on the top surface of the leakage net along the circumference direction of the leakage net The spring, the top surface symmetry of leaking the net is provided with the bellied start seat that makes progress in two places, the (mixing) shaft drives the trigger bar and rotates extremely when starting the seat, through trigger the seat with start the seat contact so that the hourglass net moves down, trigger the seat and take the start seat to keep away from when leaking the net, through extension spring pulling hourglass net upward movement.
Preferably, the trigger seat is an arc-shaped block structure, and the trigger seat is contacted on the top surface of the screen and rotates along the top surface of the screen along with the lifting rod.
Preferably, a plurality of cylinders which are vertically downward are arranged on the bottom surface of the circular ring along the circumferential direction of the circular ring, the cylinders correspond to the top side of the leakage net, so that the leakage net can be flapped on the cylinders through the top surface of the leakage net when moving upwards, and a plurality of meshes are formed in the leakage net.
Preferably, the outer side walls of the outer frame body and the inner frame body are provided with movable notches which are equal in size and are on the same straight line, a heating device is arranged from the movable notches to the inner frame body and is electrically connected to the leakage net, and the outer wall surface of the outer frame body is provided with a rubber sleeve arranged outside the movable notches.
Preferably, the middle part of the leakage net is provided with a sliding sleeve, the top surface of the leakage net is a conical surface which gradually becomes lower towards the direction of the sliding sleeve, and the stirring shaft penetrates through the sliding sleeve.
Preferably, the stirring shaft is provided with a crushing cutter and a stirring rod, the trigger rod is positioned between the crushing cutter and the stirring rod, and the bottom of the inner frame body is provided with a discharge hole which is on the same vertical axis with the stirring shaft.
Preferably, the heating device is symmetrically arranged between the two spring seats.
Preferably, the bottom surface of the cover plate is further provided with a noise reduction plate, the noise reduction plate is an annular corrugated plate, the bottom end of the noise reduction plate is in contact with the top surface of the annular ring, and the outer wall surface of the noise reduction plate is in contact with the inner wall surface of the inner frame body.
Compared with the prior art, the invention has the advantages that the leakage net is arranged in the inner frame body through the tension spring, so that the leakage net can move up and down in the inner frame body, the trigger seat which is protruded upwards is arranged on the top surface of the leakage net, the stirring shaft is extruded with the trigger seat when rotating to the position of the trigger seat along with the stirring shaft, so that the leakage net is forced to move downwards, and when the stirring shaft leaves the trigger seat, the leakage net is quickly reset upwards under the action of the tension spring, and the flapping action is generated when the stirring shaft is reset upwards, so that the leakage net is vibrated by the flapping action, and the materials melted in meshes are vibrated downwards, and the influence on blanking caused by the blockage of the meshes is prevented.
Drawings
Fig. 1 and 4 are schematic structural views illustrating a cover plate or other mechanism removed from an inner frame in the present invention;
FIG. 2 is a schematic structural view of the present invention with the inner frame removed and the cover plate removed upward;
FIG. 3 is a schematic view of the internal structure of the combination rear opening of the present invention;
fig. 5 is a schematic view of the inner structure of the trigger lever after being opened.
Detailed Description
The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present embodiment provides an injection molding apparatus for a food plastic box, which comprises an outer frame 1 and an inner frame 2 disposed inside the outer frame 1, a spring seat 3 for suspending the inner frame 2 inside the outer frame 1 is connected between the inner frame 2 and the outer frame 1, a cover plate 4 is disposed on the top of the inner cavity of the inner frame 2, a material inlet 5 communicated with the inner frame 2 is disposed on the cover plate 4, a motor 6 is disposed on the cover plate 4, a stirring shaft 7 extending downward into the inner frame 2 is disposed on the action shaft of the motor 6, a trigger bar 8 is disposed on the stirring shaft 7, a corner 9 bending downward is disposed at the other end of the trigger bar 8, an insertion cavity 10 is disposed on the corner 9, a lifting bar 11 capable of moving up and down along the inner cavity is disposed in the insertion cavity 10, a trigger seat 12 is disposed at the bottom of the lifting bar 11, a screen 14 is disposed in the inner frame 2, a circular ring 15 fixed on the inner wall of the inner frame 2, a plurality of tension springs 16 which are vertically upward and connected to the circular ring 15 are distributed on the top surface of the screen 14 along the circumferential direction of the screen, two upward convex starting seats 17 are symmetrically arranged on the top surface of the screen 14, the stirring shaft 7 drives the trigger rod 8 to rotate to the starting seats 17, the trigger seat 12 is contacted with the starting seats 17 to force the screen 14 to move downward, and the trigger seat 12 drives the starting seats 17 to be far away from the screen 14 and pulls the screen 14 to move upward through the tension springs 16.
The material drops on the screen 14 after being thrown from the feeding port 5, the stirring shaft 7 rotates with the trigger rod 8 after the motor 6 is powered on, when the trigger rod 8 rotates to the starting seat 17, the triggering seat 12 extrudes the starting seat 17 and forces the starting seat 17 to drive the screen 14 to move downwards, meanwhile, under the extrusion action, the triggering seat 12 also enables the lifting rod 11 to move upwards along the insertion cavity 10, but the length of the lifting rod 11 is enough to enable the triggering seat 12 to drive the starting seat 17 to drive the screen 14 to move downwards, meanwhile, the tension spring 16 stretches downwards, when the triggering rod 8 rotates with the stirring shaft 7 and enables the triggering seat 12 to be separated from the starting seat 17, the tension spring 16 retracts upwards and generates a vibration effect on the screen 14 at the moment of retraction, so that the material on the screen 14 can be vibrated downwards, and therefore, even if the material is viscous, the vibration effect is generated, this material will also be shaken down.
As an implementation mode, a plurality of cylinders 18 which are vertically downward are arranged on the bottom surface of the circular ring 15 along the circumferential direction of the circular ring, the cylinders 18 correspond to the top sides of the leakage nets 14, the leakage nets 14 can be flapped on the cylinders 18 through the top surfaces of the cylinders when moving upwards, a plurality of meshes 19 are formed in the leakage nets 14, when the leakage nets 14 and the cylinders 18 generate a flapping effect, materials in the meshes 19 can be shaken downwards due to the generated flapping effect, the cylinders 18 are uniformly distributed on the upper sides of the leakage nets 14, and therefore when the leakage nets 14 move upwards, the received flapping force is more uniform, the vibration structure is more reasonable, the meshes 19 can be effectively prevented from being blocked by the materials, and therefore, even viscous materials are attached to the meshes 19 and can also be shaken downwards along with the generation of vibration action.
As an embodiment, the outer side walls of the outer frame body 1 and the inner frame body 2 are provided with movable notches 20 which have the same size and are on the same straight line, a heating device 21 is arranged from the movable notches 20 to the inner frame body 2, the heating device 21 is electrically connected with the leakage net 14, and a rubber sleeve 22 which is arranged outside the movable notches 20 is arranged on the outer wall surface of the outer frame body 1, so that after the material is heated by the leakage net 14, the viscous material can be prevented from being attached to the net holes 19 through the vibration effect, the material can be melted and completely leaked, the arrangement of the movable notches 20 can ensure that the heating device 21 can act together with the material when the leakage net 14 is subjected to a fluctuating vibration action, and the arrangement of the rubber sleeve 22 can ensure that the outer side of the heating device 21 vibrates but cannot fall off from the outer frame body 1.
As an implementation mode, the middle part of the leakage net 14 is provided with a sliding sleeve 13, the top surface of the leakage net 14 is a conical surface which gradually becomes lower towards the direction of the sliding sleeve 13, the stirring shaft 7 penetrates through the sliding sleeve 13, and as the top surface of the leakage net 14 is the conical surface, when the leakage net 14 is vibrated, materials can roll along the conical surface (actually, the inclined surface), thereby facilitating the downward discharging of the materials from the meshes 19.
As an embodiment, the stirring shaft 7 is provided with the crushing cutter 23 and the stirring rod 24, the trigger rod 8 is positioned between the crushing cutter 23 and the stirring rod 24, the bottom of the inner frame 2 is provided with the discharge hole 25 which is on the same vertical axis with the stirring shaft 7, namely, when the stirring shaft 7 rotates, as in the prior art, the crushing cutter 23 and the stirring rod 24 still have the functions of crushing and stirring materials through the rotating action, and the trigger rod 8 is also arranged on the stirring shaft 7, so that not only is the functionality improved, but also the leakage net 14 can be triggered to generate vibration, the structure is simple, the action of the trigger rod 8 does not need to be additionally provided with a kinetic energy component, and the structure is compact.
As an embodiment, the bottom surface of the cover plate 4 is further provided with a noise reduction plate 26, the noise reduction plate 26 is a ring-shaped corrugated plate, the bottom end of the noise reduction plate 26 is in contact with the top surface of the ring 15, the outer wall surface of the noise reduction plate 26 is in contact with the inner wall surface of the inner frame body 2, and the noise generated when the cylinder 18 is hit by the perforated net 14 can be reduced to a certain extent by arranging the noise reduction plate 26, so that the inner frame body 2 and the internal vibration structure thereof are more reasonably designed.
The above-described embodiments further explain the object, technical means, and advantageous effects of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a food plastic case's device of moulding plastics, includes outer frame body (1) and sets up outer frame body (1) inboard interior frame body (2), interior frame body (2) with be connected with between outer frame body (1) and make interior frame body (2) unsettled spring holder (3) in outer frame body (1) inboard, its characterized in that: the inner chamber top of inner frame body (2) is equipped with apron (4), be equipped with on apron (4) with communicating pan feeding mouth (5) of inner frame body (2), be equipped with motor (6) on apron (4), be equipped with (mixing) shaft (7) that stretch downwards in inner frame body (2) on the action axle of motor (6), be equipped with trigger bar (8) on (mixing) shaft (7), the other end of trigger bar (8) is equipped with turning portion (9) of downwarping, seted up on turning portion (9) and inserted chamber (10), be equipped with lifter (11) that can follow its inner chamber and reciprocate in inserting chamber (10), the bottom of lifter (11) is equipped with trigger seat (12), be equipped with in inner frame body (2) and leak net (14), be equipped with ring (15) of fixing on its inner wall in inner frame body (2), it has a plurality of perpendicular up and connect in the ring (15) along its circumference distribution on the top surface of leaking net (14) Extension spring (16), the top surface symmetry of leaking net (14) is provided with two bellied start seat (17) that make progress, (mixing) shaft (7) drive trigger bar (8) rotatory extremely during start seat (17), through trigger seat (12) with start seat (17) contact so that leak net (14) move down, trigger seat (12) are taken start seat (17) and are kept away from when leaking net (14), leak net (14) rebound through extension spring (16) pulling.
2. An injection molding apparatus for food plastic boxes according to claim 1, wherein said trigger base (12) is an arc-shaped block structure, said trigger base (12) is contacted on the top surface of said screen (14) and rotates along the top surface of the screen (14) with the lifting bar (11).
3. An injection molding apparatus for food plastic boxes according to claim 1, wherein said circular ring (15) has a plurality of columns (18) vertically downward along its circumference on the bottom surface, said columns (18) are corresponding to the top side of said perforated net (14), so that said perforated net (14) is slapped on the columns (18) through its top surface when moving upward, and said perforated net (14) has a plurality of holes (19) opened thereon.
4. The food plastic box injection molding device according to claim 3, characterized in that the outer side walls of the outer frame body (1) and the inner frame body (2) are provided with movable notches (20) which have the same size and are arranged on the same straight line, a heating device (21) is arranged from the movable notches (20) to the inner frame body (2), the heating device (21) is electrically connected to the leakage net (14), and the outer wall surface of the outer frame body (1) is provided with a rubber sleeve (22) arranged on the outer side of the movable notches (20).
5. An injection molding device for food plastic boxes according to claim 4, wherein a sliding sleeve (13) is provided in the middle of the strainer (14), the top surface of the strainer (14) is a tapered surface gradually decreasing toward the sliding sleeve (13), and the stirring shaft (7) penetrates through the sliding sleeve (13).
6. An injection molding device for food plastic boxes according to claim 1, wherein the stirring shaft (7) is provided with a crushing cutter (23) and a stirring rod (24), the trigger rod (8) is located between the crushing cutter (23) and the stirring rod (24), and the bottom of the inner frame (2) is provided with a discharge hole (25) which is on the same vertical axis with the stirring shaft (7).
7. An injection moulding device for food plastic boxes according to claim 4, characterized in that said heating means (21) are symmetrical between two spring seats (3).
8. An injection molding device for food plastic boxes according to claim 1, characterized in that the bottom surface of the cover plate (4) is further provided with a noise reduction plate (26), the noise reduction plate (26) is a ring-shaped corrugated plate, the bottom end of the noise reduction plate (26) is in contact with the top surface of the ring (15), and the outer wall surface of the noise reduction plate (26) is in contact with the inner wall surface of the inner frame body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111185288.0A CN113843973A (en) | 2021-10-12 | 2021-10-12 | Injection molding device for food plastic box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111185288.0A CN113843973A (en) | 2021-10-12 | 2021-10-12 | Injection molding device for food plastic box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113843973A true CN113843973A (en) | 2021-12-28 |
Family
ID=78978142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111185288.0A Pending CN113843973A (en) | 2021-10-12 | 2021-10-12 | Injection molding device for food plastic box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113843973A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212498697U (en) * | 2020-05-09 | 2021-02-09 | 上海璇彩包装制品有限公司 | Injection molding device for food plastic box |
| CN212883494U (en) * | 2020-06-29 | 2021-04-06 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | Rotary vibration type cam vibrating screen |
| CN213223237U (en) * | 2020-09-21 | 2021-05-18 | 吉安市第四建筑工程有限公司 | Gravel rapid impurity filtering device for constructional engineering |
| CN213699754U (en) * | 2020-10-28 | 2021-07-16 | 湖南路智新材料科技有限公司 | Viscosity reduction type alkali-free liquid accelerator preparation device |
| CN213888280U (en) * | 2020-12-03 | 2021-08-06 | 天津茵迈科技有限公司 | Perforating device for plate-shaped magnetic steel plate |
| CN214056208U (en) * | 2020-12-23 | 2021-08-27 | 钰富兴业塑胶(昆山)有限公司 | Carrier band production is with mechanism of moulding plastics |
| CN214270603U (en) * | 2020-12-18 | 2021-09-24 | 长沙环境保护职业技术学院 | Continuous upflow reaction device for treating heavy metal wastewater |
| CN113457770A (en) * | 2021-08-13 | 2021-10-01 | 中南大学湘雅二医院 | Special bone crusher of backbone fusion art |
-
2021
- 2021-10-12 CN CN202111185288.0A patent/CN113843973A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212498697U (en) * | 2020-05-09 | 2021-02-09 | 上海璇彩包装制品有限公司 | Injection molding device for food plastic box |
| CN212883494U (en) * | 2020-06-29 | 2021-04-06 | 清华大学天津高端装备研究院洛阳先进制造产业研发基地 | Rotary vibration type cam vibrating screen |
| CN213223237U (en) * | 2020-09-21 | 2021-05-18 | 吉安市第四建筑工程有限公司 | Gravel rapid impurity filtering device for constructional engineering |
| CN213699754U (en) * | 2020-10-28 | 2021-07-16 | 湖南路智新材料科技有限公司 | Viscosity reduction type alkali-free liquid accelerator preparation device |
| CN213888280U (en) * | 2020-12-03 | 2021-08-06 | 天津茵迈科技有限公司 | Perforating device for plate-shaped magnetic steel plate |
| CN214270603U (en) * | 2020-12-18 | 2021-09-24 | 长沙环境保护职业技术学院 | Continuous upflow reaction device for treating heavy metal wastewater |
| CN214056208U (en) * | 2020-12-23 | 2021-08-27 | 钰富兴业塑胶(昆山)有限公司 | Carrier band production is with mechanism of moulding plastics |
| CN113457770A (en) * | 2021-08-13 | 2021-10-01 | 中南大学湘雅二医院 | Special bone crusher of backbone fusion art |
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| PB01 | Publication | ||
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Application publication date: 20211228 |