CN112670213A - Chip mounter feeding mechanism and chip mounting system - Google Patents
Chip mounter feeding mechanism and chip mounting system Download PDFInfo
- Publication number
- CN112670213A CN112670213A CN202011556987.7A CN202011556987A CN112670213A CN 112670213 A CN112670213 A CN 112670213A CN 202011556987 A CN202011556987 A CN 202011556987A CN 112670213 A CN112670213 A CN 112670213A
- Authority
- CN
- China
- Prior art keywords
- material box
- feeding mechanism
- plate
- lifting
- chip mounter
- 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
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention relates to the technical field of automation equipment, in particular to a feeding mechanism of a chip mounter and a chip mounting system, wherein the feeding mechanism of the chip mounter comprises: the material box is suitable for stacking and arranging multiple layers of materials; the lifting mechanism is connected with the material box and used for driving the material box to ascend; the sensing device is arranged on the material box; and the controller is electrically connected with the sensing device and the lifting mechanism and used for controlling the lifting mechanism to ascend for a preset distance when the sensing device detects that the material taking structure absorbs a layer of materials. The material taking structure can sequentially absorb multiple layers of materials in the material box, the material loading is convenient, manual tray placing operation is not needed, the material loading efficiency can be improved by about 50% -70%, and meanwhile, due to the fact that automatic material loading can be achieved, manual additional operation is not needed, and material damage can be reduced.
Description
Technical Field
The invention relates to the technical field of automation equipment, in particular to a feeding mechanism of a chip mounter and a chip mounting system.
Background
At present, the small-sized patch solar cell or the ultrathin chip can not be subjected to band-shaped packaging due to too weak materials and can only be manually placed in a tray, so that the defects that the patch feeding efficiency is low, and materials are easily damaged and scrapped by people exist.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of low chip mounting feeding efficiency and easy scrapping of materials in the prior art, so that the feeding mechanism of the chip mounter and the chip mounting system which have high chip mounting feeding efficiency and are difficult to scrap materials are provided.
In order to solve the above technical problem, the invention provides a feeding mechanism of a chip mounter, comprising:
the material box is suitable for stacking and arranging multiple layers of materials;
the lifting mechanism is connected with the material box and used for driving the material box to ascend;
the sensing device is arranged on the material box;
and the controller is electrically connected with the sensing device and the lifting mechanism and used for controlling the lifting mechanism to ascend for a preset distance when the sensing device detects that the material taking structure absorbs one layer of the material.
Optionally, the lifting mechanism comprises:
the driving motor is fixedly arranged;
the screw rod is fixedly connected with a rotating shaft of the driving motor;
the nut is arranged on the screw rod, and the material box is connected with the nut through the connecting assembly.
Optionally, the connection assembly comprises:
the lifting plate is fixedly connected with the nut;
one end of each guide rod is arranged on the lifting plate, the other end of each guide rod is connected with the material box, and at least two guide rods are arranged.
Optionally, the upper end of the guide rod is connected with a supporting plate, and the material box is located on the supporting plate.
Optionally, the lifting mechanism further comprises a top plate, the top plate is fixedly arranged, a guide shaft sleeve is arranged on the top plate, and the guide rod penetrates through the top plate and is arranged in the guide shaft sleeve in a lifting manner.
Optionally, the lifting mechanism further comprises:
the motor positioning plate is fixedly arranged, the driving motor is arranged on the motor positioning plate, and the top plate is fixedly connected with the motor positioning plate through a connecting piece.
Optionally, the connecting member comprises a plurality of vertical rods, and the lifting plate is arranged between the vertical rods in a liftable manner.
Optionally, a ball bearing is arranged on the top plate, and the top end of the screw rod is located in the ball bearing and connected with an inner ring of the ball bearing.
Optionally, the drive motor is a servo motor.
The invention also provides a chip mounting system which comprises the chip mounter feeding mechanism.
The technical scheme of the invention has the following advantages:
1. according to the chip mounter feeding mechanism provided by the invention, multiple layers of materials can be stacked in the material box, when the material taking structure sucks and takes the uppermost layer of material, the sensing device can sense the action and transmit signals to the controller, the controller controls the lifting mechanism to ascend for a preset distance, at the moment, the second layer of material ascends to a position suitable for taking the material, the material taking structure can suck and take the material conveniently, and by analogy, the material taking structure can suck and take the multiple layers of material in the material box sequentially, the material loading is convenient, the tray placing operation is not required to be carried out manually by one sheet, the material loading efficiency can be improved by about 50% -70%, and meanwhile, the automatic material loading can be realized, the manual additional operation is not required, and the material damage can be reduced.
2. The invention provides a chip mounter feeding mechanism, which comprises: the driving motor is fixedly arranged; the screw rod is fixedly connected with a rotating shaft of the driving motor; the nut is arranged on the screw rod, and the material box is connected with the nut through the connecting assembly. The lifting mechanism is simple in structure, and the lifting distance of the material box can be accurately controlled by controlling the running time of the driving motor and further controlling the number of turns of the screw rod in rotation.
3. The chip mounter feeding mechanism provided by the invention further comprises a top plate, wherein the top plate is fixedly arranged, a guide shaft sleeve is arranged on the top plate, and the guide rod penetrates through the top plate and is arranged in the guide shaft sleeve in a lifting manner. The guide shaft sleeve can guide the lifting of the guide rod to avoid deflection, and can limit the rotation of the nut, so that the nut can only perform lifting motion, and the nut has a simple and compact structure and reliable motion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a feeding mechanism of a chip mounter provided in embodiment 1 of the present invention.
Description of reference numerals:
1-a rotating shaft; 2-lifting plate; 3, positioning a motor plate; 4-erecting a rod; 5-driving a motor; 6-a nut; 7-a guide rod; 8-ball bearings; 9-a guide shaft sleeve; 10-a screw rod; 11-a material box; 12-a sensing device; 13-the top plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
At present, the small-sized patch solar cell or the ultrathin chip can not be subjected to band-shaped packaging due to too weak materials and can only be manually placed in a tray, so that the defects that the patch feeding efficiency is low, and materials are easily damaged and scrapped by people exist.
Therefore, the feeding mechanism of the chip mounter provided by the embodiment can improve the feeding efficiency of the chip mounter and reduce the risk of scrapping due to artificial damage. In one embodiment, as shown in fig. 1, the feeding mechanism of the chip mounter includes a material box 11, a lifting mechanism, a sensing device 12, and a controller.
The material box 11 is suitable for stacking multiple layers of materials, and in the embodiment, the materials can be sheet materials needing to be pasted, such as solar cells or ultrathin chips; the lifting mechanism is connected with the material box 11 and used for driving the material box 11 to ascend; the sensing device 12 is arranged on the material box 11; the controller is electrically connected with the sensing device 12 and the lifting mechanism and is used for controlling the lifting mechanism to ascend for a preset distance when the sensing device 12 detects that the material taking structure absorbs a layer of materials. It should be noted that the preset distance refers to the thickness of a single layer of material, or when multiple layers of support structures for supporting sheet-like materials are disposed in the material box 11, the preset distance may also refer to the distance between two adjacent support structures.
This embodiment provides a chip mounter feeding mechanism, can superpose in the material box 11 and set up the multilayer material, when getting the material structure and take the material of superiors away, induction system 12 can sense this action, and give the controller with the signal transmission, controller control elevating system rises and predetermines the distance, second floor material rises to the position that is suitable for getting the material this moment, be convenient for get the material structure and take the material away with the material absorption, analogize in proper order, it can take the multilayer material in the material box 11 away with the absorption in proper order to get the material structure, the chip mounter feeding mechanism that this embodiment provided, the material loading is convenient, need not artifical a slice and set the operation, material loading efficiency can improve about 50% -70%, simultaneously owing to can realize automatic feeding, need not artifical extra operation, reducible material damage.
In addition to the above embodiment, in a preferred embodiment, the elevating mechanism includes: a driving motor 5, a screw rod 10 and a nut 6. Wherein, the position of the driving motor 5 is fixedly arranged; the screw rod 10 is fixedly connected with a rotating shaft 1 of the driving motor 5, and external threads are arranged on the screw rod 10; the nut 6 is arranged on the screw rod 10, and the material box 11 is connected with the nut 6 through the connecting assembly. In this embodiment, driving motor 5 during operation, pivot 1 rotates, because lead screw 10 and pivot 1 fixed connection, lead screw 10 rotates along with pivot 1, because driving motor 5's fixed position sets up, consequently, lead screw 10 can only be rotary motion, nut 6 sets up on lead screw 10, nut 6 is equipped with the internal thread with lead screw 10 looks adaptation, when lead screw 10 rotates, nut 6 is the rising movement on lead screw 10, and drive material box 11 rising movement through coupling assembling, elevating system simple structure among this embodiment, and the accessible control driving motor 5 time of operation and then the distance that the accurate control material box 11 rises of control lead screw 10 pivoted number of turns. In an alternative embodiment, the lifting mechanism may comprise an electric cylinder, the push rod of which is connected to the material box 11. In another alternative embodiment the lifting mechanism may comprise a hydraulic cylinder, the piston rod of which is connected to the material cassette 11. In another alternative embodiment, the lifting mechanism may include a driving motor 5, a gear and a rack, the rack is vertically disposed, a motor shaft of the driving motor 5 is connected to the gear, the gear is engaged with the rack, the rack is connected to the material box 11, when the driving motor 5 is operated, the gear is driven to rotate, the gear drives the rack to move, and the rack drives the material box 11 to move up and down.
On the basis of the above embodiments, in a preferred embodiment, the connecting assembly includes the lifting plate 2 and the guide rod 7. The lifting plate 2 is fixedly connected with a nut 6; one end of each guide rod 7 is arranged on the lifting plate 2, the other end of each guide rod is connected with the material box 11, and at least two guide rods 7 are arranged. In this embodiment, driving motor 5 during operation, pivot 1 rotates, because lead screw 10 and pivot 1 fixed connection, lead screw 10 rotates along with pivot 1, because driving motor 5's fixed position sets up, consequently, lead screw 10 can only be rotary motion, nut 6 sets up on lead screw 10, nut 6 is equipped with the internal thread with lead screw 10 looks adaptation, when lead screw 10 rotates, nut 6 is the rising movement on lead screw 10, because lifter plate 2 and nut 6 fixed connection, consequently lifter plate 2 drives guide bar 7 along with nut 6, material box 11 rising movement, setting up of guide bar 7 makes material box 11 be located the top of lead screw 10, lead screw 10 can not cause the interference to material box 11.
In one embodiment, two guide rods 7 are provided and are symmetrically arranged on both sides of the nut 6. In an alternative embodiment, four guide rods 7 can be arranged and evenly distributed around the nut 6, so that the material box 11 can be stably supported.
On the basis of the above-described embodiments, in a preferred embodiment, a support plate is connected to the upper end of the guide rod 7, and the material box 11 is located on the support plate. In this embodiment, the material box 11 can be stably supported by the supporting plate, and meanwhile, the distance between the two guide rods 7 can be free from the restriction of the size of the material box 11, and when the material box 11 is small in size, the distance between the two guide rods 7 can be large. Because the material box 11 is arranged on the supporting plate, a worker can place the material box 11 on the supporting plate when the material box 11 is filled with materials, and can also take down the material box 11 from the supporting plate after the materials in the material box 11 are taken out, and then fill the material box 11 with materials again. In an alternative embodiment, no support plate can be provided, and the top end of the guide rod 7 is connected directly to the material container 11.
In addition to the above embodiments, in a preferred embodiment, the lifting mechanism further includes a top plate 13, the top plate 13 is fixedly disposed, the top plate 13 is provided with a guide bushing 9, and the guide rod 7 is disposed in the guide bushing 9 so as to be capable of lifting through the top plate 13. In the embodiment, the guide shaft sleeve 9 can guide the lifting of the guide rod 7 to avoid deflection, and limit the rotation of the nut 6 to ensure that the nut 6 can only perform lifting movement, so that the structure is simple and compact, and the movement is reliable.
In addition to the above embodiment, in a preferred embodiment, the elevating mechanism further includes: motor positioning plate 3, motor positioning plate 3 is fixed to be set up, and driving motor 5 establishes on motor positioning plate 3, and roof 13 passes through connecting piece and motor positioning plate 3 fixed connection. In this embodiment, can realize fixing driving motor 5's position through fixed motor locating plate 3, the fixed mode is simple, and because roof 13 passes through connecting piece and motor locating plate 3 fixed connection, the position of roof 13 also can be fixed, only needs to realize driving motor 5, roof 13 fixed simultaneously with motor locating plate 3 fixed setting, and simple structure is compact. In an alternative embodiment, the top plate 13 and the motor positioning plate 3 may be fixedly disposed, respectively. In another alternative embodiment, the motor positioning plate 3 may not be provided, and the motor housing and the top plate 13 of the driving motor 5 may be directly and fixedly provided.
On the basis of the above-described embodiment, in a preferred embodiment the connecting element comprises a number of uprights 4, between which uprights 4 the lifting plate 2 is arranged elevatably. In the present embodiment, the link has a relatively simple structure, and can guide the lifting movement of the lifting plate 2. In an alternative embodiment, the connecting member may be a shroud surrounding the lead screw 10 and disposed around the lifter plate 2.
In addition to the above embodiments, in a preferred embodiment, the top plate 13 is provided with a ball bearing 8, and the tip end of the screw 10 is located in the ball bearing 8 and connected to the inner ring of the ball bearing 8. In this embodiment, the ball bearing 8 is provided to allow the screw rod 10 to freely rotate relative to the top plate 13, and the position of the screw rod 10 can be limited, so that the overall structure is more reliable. In an alternative embodiment, the length of the lead screw 10 may be reduced such that the top end of the lead screw 10 is located below the top plate 13.
In addition to the above embodiments, in a preferred embodiment, the drive motor 5 is a servo motor. The servo motor can improve the motion precision of the lifting mechanism and ensure the accuracy of the material loading position.
In the feeding mechanism of the chip mounter provided by this embodiment, when the material taking structure sucks and takes away the uppermost layer of material, the sensing device 12 can sense the action and transmit a signal to the controller, the controller controls the driving motor 5 to work for a preset time, the rotating shaft 1 rotates, the screw rod 10 rotates along with the rotating shaft 1 due to the fixed connection of the screw rod 10 and the rotating shaft 1, the screw rod 10 is limited by the ball bearing 8 due to the fixed arrangement of the driving motor 5, the screw rod 10 can only do rotating motion, the nut 6 is arranged on the screw rod 10, the nut 6 is provided with internal threads matched with the screw rod 10, when the screw rod 10 rotates, the nut 6 does ascending motion on the screw rod 10, and due to the fixed connection of the lifting plate 2 and the nut 6, the lifting plate 2 drives the guide rod 7, the support plate and the material box 11 to ascend for a preset distance along with the nut 6, at this time, the second layer of material ascends, the material taking structure is convenient to take materials away, and by analogy, the material taking structure can take multiple layers of materials in the material box 11 away in sequence. The whole structure is simple, the assembly is easy, the work is stable, the material taking and placing are convenient, the production cost can be reduced by 30% -60%, and the practicability is strong.
Example 2
The embodiment provides a chip mounting system, which comprises a chip mounter feeding mechanism, a chip mounter and a material taking structure, wherein the chip mounter feeding mechanism, the chip mounter and the material taking structure are provided in the embodiment. The material taking structure can be a suction nozzle and can absorb materials in the material box 11.
The chip mounting system that this embodiment provided, chip mounter feeding mechanism can be automatic to the chip mounter feed, at the during operation, the stack sets up the multilayer material in the material box 11, when getting the material structure and taking away the material of superiors, induction system 12 can sense this action, and give the controller with the signal transmission, controller control elevating system rises and predetermines the distance, the second floor material rises to the position that is suitable for getting the material this moment, it takes away the second floor material to get the material structure, analogize in proper order, it can take away the multilayer material in the material box 11 in proper order to get the material structure, the material loading is convenient, need not artifical a slice and set the operation, material loading efficiency can improve about 50% -70%, simultaneously owing to can realize automatic feeding, need not artifical extra operation, reducible material damage.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A chip mounter feed mechanism which characterized in that includes:
the material box (11) is suitable for stacking and arranging multiple layers of materials;
the lifting mechanism is connected with the material box (11) and is used for driving the material box (11) to ascend;
the sensing device (12) is arranged on the material box (11);
the controller is electrically connected with the sensing device (12) and the lifting mechanism and used for controlling the lifting mechanism to ascend for a preset distance when the sensing device (12) detects that the material taking structure absorbs one layer of materials.
2. The mounter feeding mechanism according to claim 1, wherein said lifting mechanism includes:
a drive motor (5) which is fixedly arranged;
the screw rod (10) is fixedly connected with the rotating shaft (1) of the driving motor (5);
the screw rod (10) is provided with a screw nut (6), and the material box (11) is connected with the screw nut (6) through a connecting assembly.
3. The mounter feeding mechanism according to claim 2, wherein said connection assembly includes:
the lifting plate (2) is fixedly connected with the nut (6);
and one end of each guide rod (7) is arranged on the lifting plate (2), the other end of each guide rod is connected with the material box (11), and at least two guide rods (7) are arranged.
4. The feeding mechanism of the chip mounter according to claim 3, wherein a support plate is connected to an upper end of the guide rod (7), and the material box (11) is located on the support plate.
5. The feeding mechanism of a chip mounter according to claim 3, wherein said lifting mechanism further includes a top plate (13), said top plate (13) is fixedly disposed, a guide shaft sleeve (9) is disposed on said top plate (13), and said guide rod (7) passes through said top plate (13) and is liftably disposed in said guide shaft sleeve (9).
6. The mounter feeding mechanism according to claim 5, wherein said lifting mechanism further comprises:
the motor positioning plate (3) is fixedly arranged, the driving motor (5) is arranged on the motor positioning plate (3), and the top plate (13) is fixedly connected with the motor positioning plate (3) through a connecting piece.
7. The feeding mechanism of chip mounter according to claim 6, wherein said connecting member comprises a plurality of vertical rods (4), and said lifting plate (2) is liftably provided between said vertical rods (4).
8. The feeding mechanism of the chip mounter according to claim 5, wherein a ball bearing (8) is provided on said top plate (13), and a top end of said lead screw (10) is located in said ball bearing (8) and connected to an inner ring of said ball bearing (8).
9. The mounter feeding mechanism according to any one of claims 2 to 8, wherein said driving motor (5) is a servo motor.
10. A pick and place system comprising the pick and place machine feeding mechanism of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556987.7A CN112670213A (en) | 2020-12-23 | 2020-12-23 | Chip mounter feeding mechanism and chip mounting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556987.7A CN112670213A (en) | 2020-12-23 | 2020-12-23 | Chip mounter feeding mechanism and chip mounting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112670213A true CN112670213A (en) | 2021-04-16 |
Family
ID=75408778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011556987.7A Pending CN112670213A (en) | 2020-12-23 | 2020-12-23 | Chip mounter feeding mechanism and chip mounting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112670213A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205693988U (en) * | 2016-06-14 | 2016-11-16 | 杭州亘幄电子科技有限公司 | Chip mounter and automatic feed mechanism thereof |
| CN109625995A (en) * | 2018-12-25 | 2019-04-16 | 歌尔股份有限公司 | The feeding device and charging method of sheet material |
| CN209567592U (en) * | 2018-12-06 | 2019-11-01 | 北京氢璞创能科技有限公司 | A kind of flexible material handling equipment |
| CN209853652U (en) * | 2019-04-11 | 2019-12-27 | 浙江台谊消防设备有限公司 | Lifting feeding structure |
-
2020
- 2020-12-23 CN CN202011556987.7A patent/CN112670213A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205693988U (en) * | 2016-06-14 | 2016-11-16 | 杭州亘幄电子科技有限公司 | Chip mounter and automatic feed mechanism thereof |
| CN209567592U (en) * | 2018-12-06 | 2019-11-01 | 北京氢璞创能科技有限公司 | A kind of flexible material handling equipment |
| CN109625995A (en) * | 2018-12-25 | 2019-04-16 | 歌尔股份有限公司 | The feeding device and charging method of sheet material |
| CN209853652U (en) * | 2019-04-11 | 2019-12-27 | 浙江台谊消防设备有限公司 | Lifting feeding structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101901773A (en) | Automatic loading system suitable for stacking silicon chips in automatic equipment | |
| CN211337960U (en) | Full-automatic charging and discharging equipment for material tray | |
| CN109128495B (en) | Welding system | |
| CN207046386U (en) | Conveying device | |
| CN109128610B (en) | Welding mechanism | |
| CN112670213A (en) | Chip mounter feeding mechanism and chip mounting system | |
| CN209503228U (en) | Welding system | |
| CN109079452B (en) | Automatic feeding device for fan core machine assembly | |
| CN108910424A (en) | A kind of processing of vernier caliper card frame Full-automatic feeding and output equipment | |
| CN109175679A (en) | welding system | |
| CN109128496B (en) | Welding system | |
| CN210230678U (en) | Full-automatic intelligent reinforcing band pasting 3D detection multifunctional integrated machine | |
| CN111498494A (en) | Integration equipment of keeping in | |
| CN109178453B (en) | Flywheel material arranging robot | |
| CN110963439A (en) | Large-scale ejecting cabin drive arrangement | |
| CN209303896U (en) | Welding system | |
| CN114056873B (en) | Cheese conveying device | |
| CN215885471U (en) | FPC material loading machine | |
| CN216302672U (en) | Automatic unloader that goes up of charging tray | |
| CN110610883B (en) | Heating device in solar thin film battery film pasting equipment | |
| CN110421751B (en) | Automatic material storing and taking mechanism and automatic laminating system | |
| CN209303897U (en) | Welding system | |
| CN109650286B (en) | Multi-layer lifting material warehouse | |
| CN113526143A (en) | Device for automatically adding skid | |
| CN214003312U (en) | Automatic feeding and discharging equipment |
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: 20210416 |
|
| RJ01 | Rejection of invention patent application after publication |