A stripping box for sintered neodymium-iron-boron

Abstract

The utility model provides a kind of stripping box for sintered neodymium iron boron, including sealed bag stripping box, the left end of sealed bag stripping box is provided with inner membrane stripping box, connecting passage is provided between inner membrane stripping box and sealed bag stripping box, first plug valve is provided in connecting passage, air inlet and exhaust valve are all provided on sealed bag stripping box and inner membrane stripping box, first transmission mechanism of vertical lifting is provided in sealed bag stripping box, first transmission mechanism is used to temporarily store neodymium iron boron blank to be stripped, the top of first transmission mechanism is provided with first transmission belt, second transmission mechanism of vertical lifting is provided in inner membrane stripping box, second transmission mechanism is used to place neodymium iron boron blank after stripping, the top of the right end of second transmission mechanism is provided with second transmission belt.The utility model has the advantages of less nitrogen usage, high stripping efficiency and low cost on the basis of ensuring the transmission efficiency and quality of neodymium iron boron blank.

Description

Technical Field

[0001] This utility model relates to the field of NdFeB stripping technology, and in particular to a stripping box for sintered NdFeB. Background Technology

[0002] Sintered NdFeB blanks are prone to oxidation, which degrades the product performance. Therefore, the NdFeB blanks to be stripped need to have their sealed bags and inner membrane bags removed under nitrogen atmosphere, and then the NdFeB blanks are neatly arranged in a graphite box. Chinese patent document CN218182036U discloses a NdFeB magnetic splicing intelligent stripping cart, including a feeding chamber, a processing chamber, and a discharging chamber. This structure has the following problems: 1. In the feeding chamber, the protective bag covering the NdFeB blank is peeled off. In the processing chamber, the NdFeB blank is taken out and placed into the corresponding processing mold. Therefore, all NdFeB blanks in a batch need to have their sealing bags and films peeled off and be sent into the processing chamber before the feeding chamber can be opened to feed the next batch of NdFeB blanks, resulting in low work efficiency; 2. The structure of the feeding chamber is not suitable for feeding a large number of blanks at the same time, thus increasing the feeding frequency. Therefore, the feeding chamber needs to be opened and closed repeatedly and filled with nitrogen and purged of oxygen, increasing the frequency of nitrogen filling and purging, using a large amount of nitrogen, resulting in high cost and low work efficiency; 3. During the stripping process, if there is a small batch of sample blanks, the material gate needs to be opened, and oxygen needs to be purged again afterward, resulting in high cost. Utility Model Content

[0003] This invention proposes a stripping box for sintered NdFeB, which, while ensuring the transfer efficiency and quality of NdFeB blanks, has the advantages of low nitrogen consumption, high stripping efficiency, and low cost.

[0004] The technical solution of this utility model is implemented as follows: A stripping box for sintered NdFeB includes a sealed bag stripping box, an inner membrane stripping box is provided at the left end of the sealed bag stripping box, a connecting channel is provided between the inner membrane stripping box and the sealed bag stripping box, a first insert valve is provided in the connecting channel, an air inlet and an exhaust valve are provided on both the sealed bag stripping box and the inner membrane stripping box, a first vertical lifting transmission mechanism is provided in the sealed bag stripping box, the first transmission mechanism is used to temporarily store the NdFeB blanks to be stripped, a first transmission belt is provided above the first transmission mechanism, a second vertical lifting transmission mechanism is provided in the inner membrane stripping box, the second transmission mechanism is used to place the stripped NdFeB blanks, a second transmission belt is provided above the right end of the second transmission mechanism.

[0005] Furthermore, an independent small box is provided at the right end of the sealing bag stripping box. The independent small box corresponds to the first transmission belt. A second slide valve is provided inside the independent small box, and a small material gate is provided at the right end of the independent small box.

[0006] Furthermore, a discharge door is provided at the left end of the inner membrane peeling box, and a side door is provided on at least one side of the sealing bag peeling box of the first transmission mechanism.

[0007] Furthermore, a product sensor is provided at the discharge end of the second transmission belt, and the second transmission belt is higher than the first transmission belt.

[0008] Furthermore, a waste bin is provided on the lower side of both the sealed bag peeling bin and the inner film peeling bin. The bottom of the waste bin is located on the outside of the corresponding bin and is connected to a waste collection bag by a clamp.

[0009] Furthermore, both the sealing bag peeling box and the inner film peeling box are equipped with operating holes along the conveying direction, operating gloves are installed inside the operating holes, and observation windows are installed above the operating holes.

[0010] The beneficial effects of this utility model are: This invention utilizes a sealed bag stripping box to remove the sealed bags from NdFeB blanks, and an inner film stripping box to remove and arrange the inner films of the NdFeB blanks. The sealed bag stripping box and the inner film stripping box can be operated independently or vented, allowing a batch of NdFeB blanks to be divided into several portions as needed. While the inner film of one portion is being removed and arranged, the sealed bag of the next portion can be removed simultaneously. When the last portion is being removed and arranged, the first gate valve can be closed, allowing the next batch of blanks to be fed into the sealed bag stripping box and the sealed bags to be removed, thus improving production efficiency and eliminating the need to wait until all NdFeB blanks in a batch have been stripped before feeding.

[0011] This invention, through the setting of the first transmission mechanism, facilitates the temporary storage of a large batch of NdFeB blanks at one time; through the setting of the second transmission mechanism, it facilitates the placement of a large number of NdFeB blanks, reduces the opening frequency of the sealing bag peeling box and the inner film peeling box, thereby reducing the frequency and cost of nitrogen filling and oxygen removal, and improving work efficiency.

[0012] This invention, through the setting of an independent small box, allows for the placement of small batches of sample blanks during the material stripping process. The second gate valve is closed for isolation and sealing, and then the material is operated through the small material gate, eliminating the need to open the side door and perform oxygen purging again. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] 1. Sealed bag peeling box, 2. Inner film peeling box, 3. Moving wheels, 4. Connecting channel, 5. First gate valve, 6. First transmission mechanism, 7. First transmission belt, 8. Second transmission mechanism, 9. Second transmission belt, 10. Product sensor, 11. Discharge door, 12. Side door, 13. Independent small box, 14. Second gate valve, 15. Waste bin, 16. Operating hole, 17. Observation window. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figure 1 As shown, a stripping box for sintered NdFeB magnets includes a sealed bag stripping box 1. An inner membrane stripping box 2 is sealed and fixed to the left end of the sealed bag stripping box 1. Four casters 3 are installed at the bottom corners of the sealed bag stripping box 1 to facilitate movement of the sealed bag stripping box 1 and its connection to the inner membrane stripping box 2. A connecting channel 4 is fixed between the inner membrane stripping box 2 and the sealed bag stripping box 1. A first insert valve 5 is fixed within the connecting channel 4. The first insert valve 5 closes the connecting channel 4 of the inner membrane stripping box 2, thus sealing the inner membrane stripping box 2.

[0018] Both the sealing bag peeling box 1 and the inner film peeling box 2 are equipped with air inlets and exhaust valves. The air inlets are located on the upper side of the box, and the exhaust valves are located on the lower or right side of the box. The two boxes can independently vent oxygen. Nitrogen is introduced through the air inlets, and oxygen is discharged through the exhaust valves, so that both the sealing bag peeling box 1 and the inner film peeling box 2 are in a nitrogen environment. A vertical lifting first transmission mechanism 6 is fixed inside the sealing bag peeling box 1. A first transmission belt 7 is fixed above the first transmission mechanism 6. A vertical lifting second transmission mechanism 8 is fixed inside the inner film peeling box 2. A second transmission belt 9 is fixed above the second transmission mechanism 8. A product sensor 10 is fixed at the discharge end of the second transmission belt 9. The product sensor 10 is an infrared laser sensor. When the infrared laser sensor detects neodymium iron boron blanks, the second transmission belt 9 stops conveying to prevent the product from falling off the transmission belt. Both the first transmission belt 7 and the second transmission belt 9 are existing structures and are driven by motors for conveying. The first transmission mechanism 6 and the second transmission mechanism 8 are both existing structures, both including a lifting platform. Rollers are installed along the conveying method on the lifting platform to facilitate the movement of the material box on the rollers. The lifting platform is a screw-type lifting platform (motor driven) or a hydraulic pump direct-drive lifting platform, etc.

[0019] A discharge door 11 is installed at the left end of the inner membrane stripping box 2. A side door 12 is installed on the sealed bag stripping box 1 on one side of the first transmission mechanism 6. A batch of NdFeB blanks (large quantity) can be fed in by opening the side door 12. An independent small box 13 is fixed at the right end of the sealed bag stripping box 1. The independent small box 13 corresponds to the first transmission belt 7. A second gate valve 14 is fixed inside the independent small box 13. A small material door that can be opened is installed at the right end of the independent small box 13. During the stripping process, if there is a small batch of NdFeB blanks, they are isolated and sealed by the second gate valve 14 and operated through the small material door. It is not necessary to open the side door 12 to re-ventilate oxygen.

[0020] Waste bins 15 are fixed to the lower sides of both the sealed bag peeling bin 1 and the inner film peeling bin 2. The bottom of the waste bins 15 is located on the outside of the corresponding bin body and is connected to a waste collection bag by a clamp. Both the sealed bag peeling bin 1 and the inner film peeling bin 2 are provided with operating holes 16 along the conveying direction. Operating gloves are connected inside the operating holes 16, and an observation window 17 is fixed above the operating holes 16.

[0021] The method of using the stripping box is as follows: Open the side 12, place a batch of boxes containing NdFeB blanks on the first transmission mechanism 6, close the feeding door, introduce nitrogen through the air inlet, and discharge oxygen through the exhaust valve, so that both the sealed bag stripping box 1 and the inner film stripping box 2 are in a nitrogen environment. The first transmission mechanism 6 rises to the set position, and the worker takes out the NdFeB blanks to be stripped from the box through operating gloves, cuts open the sealed bag with scissors, and then takes out the NdFeB blanks with the inner film from the sealed bag.

[0022] The NdFeB blanks with inner membranes are placed on the first transmission belt 7. When half of the sealing bag peeling work on a batch of NdFeB blanks is completed, the first insert valve 5 is opened, and the first transmission belt 7 and the second transmission belt 9 are started. The NdFeB blanks with inner membranes are sent to the inner membrane peeling box 2 via the first transmission belt 7. The first insert valve 5 is closed, and the worker, wearing operating gloves, peels off the inner membrane from the NdFeB blanks in the inner membrane peeling box 2 and places them on the second transmission belt 9. The NdFeB blanks are then sent to the end of the second transmission belt 9. At the end, the product sensor 10 detects the NdFeB blank, the second transmission belt 9 stops, and the second transmission mechanism 8 rises to the set position. The worker, wearing operating gloves, places the stripped NdFeB blank into the graphite box. At the same time, the sealing bag stripping box 1 continues to remove the sealing bags of the remaining half of the NdFeB blank. After the stripping is completed, the above steps are repeated, and the blank is sent into the inner film stripping box 2 and the first insert valve 5 is closed to remove the inner film. Then the side 12 is opened to feed the next batch of NdFeB blanks.

[0023] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stripping box for sintered NdFeB magnets, characterized in that: The device includes a sealed bag peeling box, an inner film peeling box at the left end of the sealed bag peeling box, a connecting channel between the inner film peeling box and the sealed bag peeling box, a first insert valve in the connecting channel, an air inlet and an exhaust valve on both the sealed bag peeling box and the inner film peeling box, a first vertical lifting transmission mechanism inside the sealed bag peeling box for temporarily storing NdFeB blanks to be peeled, a first transmission belt above the first transmission mechanism, a second vertical lifting transmission mechanism inside the inner film peeling box for placing the peeled NdFeB blanks, a second transmission belt above the right end of the second transmission mechanism.

2. The stripping box for sintered NdFeB according to claim 1, characterized in that: The right end of the sealed bag stripping box is equipped with an independent small box, which corresponds to the first transmission belt. The independent small box is equipped with a second slide valve, and the right end of the independent small box is equipped with a small material gate.

3. A stripping box for sintered NdFeB according to claim 1 or 2, characterized in that: The left end of the inner membrane peeling box is provided with a discharge door, and the sealing bag peeling box on at least one side of the first transmission mechanism is provided with a side door.

4. A stripping box for sintered NdFeB according to claim 1, characterized in that: The discharge end of the second drive belt is equipped with a product sensor, and the second drive belt is higher than the first drive belt.

5. A stripping box for sintered NdFeB according to claim 1, characterized in that: Both the sealed bag peeling box and the inner film peeling box have waste bins on their lower sides. The bottom of the waste bins is located on the outside of the corresponding box body and is connected to a waste collection bag by clamps.

6. A stripping box for sintered NdFeB according to claim 1, characterized in that: Both the sealing bag peeling box and the inner film peeling box are equipped with operating holes along the conveying direction. Operating gloves are installed inside the operating holes, and an observation window is installed above the operating holes.

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