A lithium battery vacuum baking tunnel furnace

Abstract

The present invention provides a lithium battery vacuum baking tunnel furnace, comprising a tunnel furnace body, a sealing structure, a resisting structure, a pulling structure, a feeding structure, a sliding frame, a positioning structure, a blocking structure and a placing structure. The lithium batteries to be dried can be placed through the placing structure, and the placing structure is placed on the feeding structure for transportation. During the transportation process, it can be guided and positioned by the positioning structure, thereby ensuring that the placing structure is at the same position on the conveyor belt each time, improving stability, and the position of the positioning structure can be adjusted to adapt to placing structures of different sizes. The tunnel furnace body can be sealed through the sealing structure, and the sealing structure and the tunnel furnace body are pressed tightly by the resisting structure, thereby improving the sealing performance. The resisting structure can prevent the placing structure from falling during the unloading process, and the pulling structure can slide the sliding frame toward the conveyor belt when the sealing door is opened, thereby facilitating the transportation of the lithium batteries.

Description

Technical Field

[0001] The invention belongs to the technical field of lithium battery baking, in particular to a lithium battery vacuum baking tunnel furnace. Background Art

[0002] Moisture has a great influence on the performance of lithium batteries, including voltage, self-discharge and other indicators. Excessive moisture content will lead to product scrapping, quality reduction, and even product explosion in severe cases. Therefore, in the production process of lithium batteries, the positive and negative electrodes and batteries must be vacuum baked to remove as much moisture as possible. The vacuum baking tunnel furnace, as a vacuum baking device, can dry lithium batteries during the production process.

[0003] However, when drying lithium batteries, traditional vacuum tunnel furnaces mostly place multiple lithium batteries on a placement tray and then manually place the multiple placement trays on the conveyor belt of the vacuum tunnel furnace for drying. Due to manual placement, the position is deviated each time. When the placement position is close to the edge of the conveyor belt, it may collide with the inner wall of the vacuum tunnel furnace during the conveying process, which easily causes the batteries to fall off the placement tray during the conveying process. The stability is poor, and after the batteries are dried, the placement tray needs to be manually removed from the vacuum tunnel furnace and placed on the placement rack. When a placement rack is full of placement trays, the placement rack needs to be pushed away and a new placement rack needs to be pushed to the position of the placement rack. Since the vacuum tunnel furnace is always in operation during this process, when the staff replaces the placement rack slowly, the placement tray will fall from the vacuum tunnel furnace, causing the battery to roll off. It takes a certain amount of time to pick up the battery, and the battery is easily dirty and damaged in appearance when it falls to the ground. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a lithium battery vacuum baking tunnel furnace.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A lithium battery vacuum baking tunnel furnace comprises a tunnel furnace body, two sealing structures are arranged on the tunnel furnace body, a resisting structure is arranged on the sealing structure, two sliding frames are slidably connected to the tunnel furnace body, a pulling structure is arranged on the sliding frame, a feeding structure is arranged on the sliding frame, a positioning structure is arranged on the sliding frame, a blocking structure is arranged on the sliding frame, a plurality of placement structures are arranged on the sliding frame, and a conveyor belt is arranged inside the tunnel furnace body.

[0007] The positioning structure includes a slide groove, three slide grooves are arranged on the slide frame, four second sliding blocks are slidably matched on the slide groove, a knob is threadedly connected on the second sliding block, and the three second sliding blocks in the same column are fixedly connected to the same guide plate.

[0008] Specifically, the sliding frame is in a U-shaped structure, one end of the second sliding block cross section is in a "convex" shape, the cross section of the sliding groove is in a "convex" shape, and one end of the guide plate cross section is in a "√" shape.

[0009] Specifically, the feeding structure includes a plurality of feeding rollers, the sliding frame is rotatably connected to the plurality of feeding rollers, one end of the feeding roller is fixedly connected to a second gear, a chain is wound around the plurality of second gears, a motor is installed on the sliding frame, a first gear is fixedly connected to the output shaft of the motor, a chain is wound around the first gear, and the plurality of feeding rollers are equidistantly distributed.

[0010] Specifically, the placement structure includes a placement plate, a plurality of placement plates are placed on the feed roller, a plurality of placement grooves are provided on the placement plate, and the cross-section of the placement grooves is an arc-shaped structure.

[0011] Specifically, the blocking structure includes two grooves, the sliding frame is provided with two grooves, a baffle is placed inside the groove, a rotating shaft is rotatably connected to the sliding frame, a handle is fixedly connected to one end of the rotating shaft, and a rotating block is fixedly connected to the other end of the rotating shaft, the rotating block is in contact with the baffle, and one end of the groove cross section is a trapezoidal structure.

[0012] Specifically, the sealing structure includes a sealing door, two sealing doors are slidably connected to the tunnel furnace body, two connecting blocks are fixedly connected to the sealing door, an opening is provided on the connecting block, a first slider is engaged with the opening, one end of the first slider is fixedly connected to one end of the hydraulic cylinder, and the other end of the hydraulic cylinder is fixedly connected to the tunnel furnace body.

[0013] Specifically, the cross section of the first sliding block is an I-shaped structure, and a sealing gasket is clamped on the sealing door.

[0014] Specifically, the resisting structure includes two blocks, the two blocks are slidably connected to the tunnel furnace body, a first return spring is abutted between the block and the tunnel furnace body, and the two blocks are fixedly connected to the sealing door.

[0015] Specifically, one end of the cross section of the stopper is in a trapezoidal structure, and one end of the cross section of the abutment block is in a trapezoidal structure.

[0016] Specifically, the pulling structure includes a sliding rod, which is slidably connected to the tunnel furnace body, one end of the sliding rod abuts against one of the abutting blocks and the other end is fixedly connected to a connecting rope, the connecting rope is wound around a guide wheel, the other end of the connecting rope is fixedly connected to a slide plate, the slide plate is fixedly connected to a slide frame and slidably connected to the tunnel furnace body, and a second return spring abuts against the slide plate and the tunnel furnace body.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) The lithium battery vacuum baking tunnel furnace described in the present invention can place the lithium batteries to be baked through the placement structure. After multiple lithium batteries are placed in the placement structure, the placement structure can be placed on the feeding structure, so that the placement structure can be transported by the feeding structure. During the transportation process, the placement structure can be guided and positioned by the positioning structure, thereby ensuring that the placement structure enters the position of the conveyor belt inside the tunnel furnace body each time, avoiding the situation where the lithium batteries fall from the placement structure during the transportation process, thereby improving stability, that is: first, the lithium batteries are placed inside the placement slots, and when the placement slots inside a placement tray are completely filled with lithium batteries, the placement tray is placed on the feeding roller. At this time, the output shaft of the motor rotates to drive the first gear to rotate, the rotation of the first gear drives the chain to move, and the chain movement drives multiple second gears to rotate. The rotation of the second gear drives the feed roller to rotate, thereby realizing the transportation of the placement tray by the rotation of multiple feed rollers. During the transportation process, it can be positioned by two guide plates, thereby ensuring that the placement plate remains in the same position when it enters the conveyor belt, thereby effectively avoiding the collision between the placement tray and the tunnel furnace body during the conveying process of the conveyor belt, which causes the lithium battery to fall from the placement tray, thereby improving stability, and when it is necessary to change the position of the guide plate according to the size of the placement tray, by turning the knob, when the knob and the slide frame do not conflict, the guide plate can be pushed to adjust the position of the guide plate, and when the position of the guide plate is adjusted, the knob is rotated in the opposite direction to make the knob and the slide frame press tightly, thereby realizing the fixation of the guide plate after the position adjustment, and the guide plate position can be adjusted to guide placement trays of different sizes, thereby improving flexibility.

[0019] (2) The lithium battery vacuum baking tunnel furnace of the present invention can seal the tunnel furnace body through the sealing structure when the lithium battery completely enters the tunnel furnace body, and in the process of closing the sealing structure, the sliding frame will slide out from the inside of the tunnel furnace body under the action of the pulling structure, so as not to resist the sealing structure. The resisting structure can make the sealing structure and the tunnel furnace body tightly pressed together, thereby improving the sealing performance, that is, when the lithium battery completely enters the tunnel furnace body, the two hydraulic cylinders are started, the hydraulic cylinder drives the connecting block to move through the first slider, and the connecting block drives the sealing door to slide. During the movement of the sealing door, the second return spring will extend to drive the slide plate and the sliding frame to move. When the sliding frame completely slides out of the tunnel furnace body, the sliding rod will contact with the tunnel furnace body. At this time, the sliding frame stops moving, and the sealing door continues to move under the action of the hydraulic cylinder. With the movement of the sealing door, the resisting block on the sealing door will contact with the stopper. The first return spring contracts, and when the sealing door is completely sealed, the first return spring is in a compressed state. At this time, under the action of the first return spring, the sealing door will be tightly pressed against the tunnel furnace body, thereby improving the sealing performance between the sealing door and the tunnel furnace body.

[0020] (3) The lithium battery vacuum baking tunnel furnace described in the present invention can block the placement structure through a blocking structure when the placement rack needs to be replaced during the unloading process after baking, thereby effectively preventing the lithium battery from falling and avoiding damage and dirt on the appearance of the lithium battery. That is, when the placement rack needs to be replaced during the unloading process after baking, the placement plate can be blocked by a baffle to effectively prevent the lithium battery from falling and avoiding damage and dirt on the appearance of the lithium battery. When there is no need to block the placement plate, the handle can be used to rotate the shaft, and the shaft drives the rotating block to rotate. The rotation of the rotating block will not block the baffle. At this time, the block can be placed at the bottom of the groove so that the lithium battery can be unloaded normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a lithium battery vacuum baking tunnel furnace provided by the present invention;

[0023] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0024] Figure 3 for Figure 1 An enlarged schematic diagram of the structure of part B is shown;

[0025] Figure 4 for Figure 1 An enlarged schematic diagram of the C-section structure is shown;

[0026] Figure 5 It is a schematic diagram of the connection structure between the baffle and the sliding frame of the present invention;

[0027] Figure 6 for Figure 5 An enlarged schematic diagram of the D-section structure is shown;

[0028] Figure 7 It is a schematic diagram of the connection structure between the feeding roller and the second gear of the present invention;

[0029] Figure 8 It is a schematic diagram of the connection structure between the connection rope and the slide plate of the present invention;

[0030] Fig. 9 for Figure 8 The enlarged schematic diagram of the F part structure is shown;

[0031] Fig.10 for Figure 8 The enlarged schematic diagram of the G-section structure shown;

[0032] Fig.11 for Figure 8 An enlarged schematic diagram of the H section structure is shown.

[0033] As shown in the figure: 1. Tunnel furnace body; 2. Sealing structure; 201. Sealing door; 202. Connecting block; 203. Opening; 204. First sliding block; 205. Hydraulic cylinder; 206. Sealing pad; 3. Retaining structure; 301. Retaining block; 302. Stopper; 303. First return spring; 4. Pulling structure; 401. Sliding rod; 402. Connecting rope; 403. Guide wheel; 404. Sliding plate; 405. Second return spring; 5. Feeding structure; 501, motor; 502, first gear; 503, chain; 504, second gear; 505, feed roller; 6, slide frame; 7, positioning structure; 701, guide plate; 702, second slider; 703, knob; 704, slide groove; 8, blocking structure; 801, baffle; 802, handle; 803, rotating shaft; 804, rotating block; 805, groove; 9, placement structure; 901, placement plate; 902, placement groove; 10, conveyor belt. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] like Figure 1-11As shown, an embodiment of the present invention provides a lithium battery vacuum baking tunnel furnace including a tunnel furnace body 1, two sealing structures 2 are provided on the tunnel furnace body 1, a blocking structure 3 is provided on the sealing structure 2, two sliding frames 6 are slidably connected to the tunnel furnace body 1, a pulling structure 4 is provided on the sliding frame 6, a feeding structure 5 is provided on the sliding frame 6, a positioning structure 7 is provided on the sliding frame 6, a blocking structure 8 is provided on the sliding frame 6, a plurality of placement structures 9 are provided on the sliding frame 6, and a conveyor belt 10 is provided inside the tunnel furnace body 1.

[0036] like Figure 1-11 As shown, the positioning structure 7 includes a slide groove 704, and three slide grooves 704 are provided on the slide frame 6. Four second sliders 702 are slidably matched on the slide groove 704, and a knob 703 is threadedly connected to the second slider 702. The three second sliders 702 located in the same row are fixedly connected to the same guide plate 701, and the slide frame 6 is a U-shaped structure. One end of the cross section of the second slider 702 is a "convex"-shaped structure, the cross section of the slide groove 704 is a "convex"-shaped structure, and one end of the cross section of the guide plate 701 is a "√"-shaped structure.

[0037] like Figure 1-11 As shown, the feeding structure 5 includes a plurality of feeding rollers 505, and the plurality of feeding rollers 505 are rotatably connected to the slide frame 6, one end of the feeding roller 505 is fixedly connected to a second gear 504, and chains 503 are wound around the plurality of second gears 504, a motor 501 is installed on the slide frame 6, a first gear 502 is fixedly connected to the output shaft of the motor 501, and a chain 503 is wound around the first gear 502, and the plurality of feeding rollers 505 are equidistantly distributed.

[0038] like Figure 1-11As shown, the placement structure 9 includes a placement plate 901, and a plurality of placement plates 901 are placed on the feeding roller 505. The placement plate 901 is provided with a plurality of placement slots 902, and the cross section of the placement slots 902 is an arc-shaped structure. In this embodiment, the lithium battery is first placed inside the placement slot 902. When the placement slot 902 inside a placement plate 901 is completely filled with lithium batteries, the placement plate 901 is placed on the feeding roller 505. At this time, the output shaft of the motor 501 rotates to drive the first gear 502 to rotate, and the rotation of the first gear 502 drives the chain 503 to move. The movement of the chain 503 drives the plurality of second gears 504 to rotate, and the rotation of the second gear 504 drives the feeding roller 505 to rotate, so that the placement plate 901 is transported by the rotation of the plurality of feeding rollers 505. During the transportation process, it can be positioned by the two guide plates 701, thereby ensuring that the position of the placement plate 901 remains unchanged when it enters the conveyor belt 10, so that there is The lithium battery can be effectively prevented from falling off the placement tray 901 due to a collision between the placement tray 901 and the tunnel furnace body 1 during the conveying process of the conveyor belt, thereby improving stability. When the position of the guide plate 701 needs to be changed according to the size of the placement tray 901, the knob 703 is rotated. When there is no conflict between the knob 703 and the slide frame 6, the guide plate 701 can be pushed to adjust the position of the guide plate 701. When the position of the guide plate 701 is adjusted, the knob 703 is rotated in the opposite direction to make the knob 703 and the slide frame 6 press tightly, thereby achieving the fixation of the guide plate 701 after the position adjustment. By adjusting the position of the guide plate 701, it can guide placement trays 901 of different sizes, thereby improving flexibility.

[0039] like Figure 1-11 As shown, the blocking structure 8 includes two grooves 805, and the sliding frame 6 is provided with two grooves 805, and a baffle 801 is placed inside the groove 805. The sliding frame 6 is rotatably connected with a rotating shaft 803, and one end of the rotating shaft 803 is fixedly connected with a handle 802, and the other end of the rotating shaft 803 is fixedly connected with a rotating block 804, and the rotating block 804 and the baffle 801 are in conflict with each other, and one end of the cross section of the groove 805 is a trapezoidal structure. In this embodiment, after the baking is completed, if the placement rack needs to be replaced during the unloading process, the placement plate 901 can be blocked by the baffle 801, thereby effectively preventing the lithium battery from falling and avoiding damage and dirt on the appearance of the lithium battery. When the placement plate 901 does not need to be blocked, the rotating shaft 803 is rotated by the handle 802, and the rotating shaft 803 drives the rotating block 804 to rotate. The rotation of the rotating block 804 will not block the baffle 801. At this time, the baffle 801 can be placed at the bottom of the groove 805 so that the lithium battery can be unloaded normally.

[0040] like Figure 1-11As shown, the sealing structure 2 includes a sealing door 201, two sealing doors 201 are slidably connected to the tunnel furnace body 1, two connecting blocks 202 are fixedly connected to the sealing door 201, an opening 203 is provided on the connecting block 202, a first slider 204 is clamped on the opening 203, one end of the first slider 204 is fixedly connected to one end of a hydraulic cylinder 205, and the other end of the hydraulic cylinder 205 is fixedly connected to the tunnel furnace body 1. The cross section of the first slider 204 is an "I"-shaped structure, and a sealing pad 206 is clamped on the sealing door 201.

[0041] like Figure 1-11 As shown, the blocking structure 3 includes two blocks 302, two blocks 302 are slidably connected to the tunnel furnace body 1, a first return spring 303 is in contact between the block 302 and the tunnel furnace body 1, and two blocks 301 are fixedly connected to the sealing door 201, one end of the cross section of the block 302 is a trapezoidal structure, and one end of the cross section of the block 301 is a trapezoidal structure.

[0042] like Figure 1-11 As shown, the pulling structure 4 includes a slide bar 401, which is slidably connected to the tunnel furnace body 1, one end of the slide bar 401 abuts against one of the abutting blocks 301 and the other end is fixedly connected to a connecting rope 402. The connecting rope 402 is wound around a guide wheel 403, and the other end of the connecting rope 402 is fixedly connected to a slide plate 404, which is fixedly connected to the slide frame 6 and slidably connected to the tunnel furnace body 1, and a second return spring 405 abuts against the slide plate 404 and the tunnel furnace body 1.

[0043] In this embodiment, when the lithium battery completely enters the tunnel furnace body 1, the two hydraulic cylinders 205 are started, and the hydraulic cylinder 205 drives the connecting block 202 to move through the first slider 204, and the connecting block 202 drives the sealing door 201 to slide. During the movement of the sealing door 201, the second return spring 405 will extend and drive the slide plate 404 to move and the slide frame 6 to move. At the same time, the slide plate 404 drives the slide rod 401 to move through the connecting rope 402. When the slide frame 6 completely slides out of the tunnel furnace body 1, the slide rod 401 will conflict with the tunnel furnace body 1. At this time, the slide frame 6 stops moving, and the sealing door 201 continues to move under the action of the hydraulic cylinder 205. As the sealing door 201 moves, the stop block 301 on the sealing door 201 will conflict with the stop block 302. The first return spring 303 contracts, and when the sealing door 201 is completely sealed, the two first return springs 303 are in a compressed state. At this time, under the action of the first return spring 303, the sealing door 201 will be pressed tightly against the tunnel furnace body 1, thereby improving the sealing between the sealing door 201 and the tunnel furnace body 1.

[0044] When the present invention is used, firstly, lithium batteries are placed inside the placement slot 902. When the placement slot 902 inside a placement tray 901 is completely filled with lithium batteries, the placement tray 901 is placed on the feeding roller 505. At this time, the output shaft of the motor 501 rotates to drive the first gear 502 to rotate, the first gear 502 rotates to drive the chain 503 to move, the chain 503 moves to drive the plurality of second gears 504 to rotate, the second gears 504 rotate to drive the feeding roller 505 to rotate, so that the placement tray 901 is rotated by the plurality of feeding rollers 505. 1, and can be positioned by two guide plates 701 during the conveying process, thereby ensuring that the position of the placement tray 901 remains unchanged when it enters the conveyor belt 10, thereby effectively avoiding the collision between the placement tray 901 and the tunnel furnace body 1 during the conveying process of the conveyor belt, causing the lithium battery to fall from the placement tray 901, thereby improving stability, and when it is necessary to change the position of the guide plate 701 according to the size of the placement tray 901, by turning the knob 703, the guide plate can be pushed when there is no conflict between the knob 703 and the slide frame 6. 701 adjusts the position of the guide plate 701. When the position of the guide plate 701 is adjusted, the knob 703 is rotated in the opposite direction to make the knob 703 and the slide frame 6 close to each other, so as to fix the guide plate 701 after the position adjustment. By adjusting the position of the guide plate 701, it can guide the placement plates 901 of different sizes, thereby improving flexibility. When the lithium battery is completely inserted into the tunnel furnace body 1, the two hydraulic cylinders 205 are started. The hydraulic cylinders 205 drive the connecting block 202 to move through the first slider 204, and the connecting block 20 2 drives the sealing door 201 to slide. During the movement of the sealing door 201, the second return spring 405 will extend to drive the slide plate 404 and the slide frame 6 to move. At the same time, the slide plate 404 drives the slide bar 401 to move through the connecting rope 402. When the slide frame 6 completely slides out of the tunnel furnace body 1, the slide bar 401 will conflict with the tunnel furnace body 1. At this time, the slide frame 6 stops moving, and the sealing door 201 continues to move under the action of the hydraulic cylinder 205. As the sealing door 201 moves, the stop block 301 on the sealing door 201 will conflict with the stop block 302.The first return spring 303 contracts, and when the sealing door 201 is completely sealed, the two first return springs 303 are in a compressed state. At this time, under the action of the first return spring 303, the sealing door 201 will be pressed against the tunnel furnace body 1, thereby improving the sealing between the sealing door 201 and the tunnel furnace body 1. When the baking is completed, if the placement rack needs to be replaced during the unloading process, the placement tray 901 can be blocked by the baffle 801, thereby effectively preventing the lithium battery from falling and avoiding damage and dirt on the appearance of the lithium battery. When there is no need to block the placement tray 901, the handle 802 is used to rotate the shaft 803, and the shaft 803 drives the rotating block 804 to rotate. The rotation of the rotating block 804 will not block the baffle 801. At this time, the baffle 801 can be placed at the bottom of the groove 805 so that the lithium battery can be unloaded normally.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lithium battery vacuum baking tunnel furnace, characterized in that: The tunnel furnace body (1) comprises two sealing structures (2) provided on the tunnel furnace body (1), a blocking structure (3) provided on the sealing structure (2), two sliding frames (6) slidably connected to the tunnel furnace body (1), a pulling structure (4) provided on the sliding frame (6), a feeding structure (5) provided on the sliding frame (6), a positioning structure (7) provided on the sliding frame (6), a blocking structure (8) provided on the sliding frame (6), a plurality of placement structures (9) provided on the sliding frame (6), and a conveyor belt (10) provided inside the tunnel furnace body (1); The positioning structure (7) comprises a slide groove (704), three slide grooves (704) are provided on the slide frame (6), four second sliders (702) are slidably matched on the slide groove (704), a knob (703) is threadedly connected on the second slider (702), and the three second sliders (702) in the same row are fixedly connected to the same guide plate (701); The resisting structure (3) comprises two resisting blocks (302), the two resisting blocks (302) are slidably connected to the tunnel furnace body (1), a first return spring (303) is provided between the resisting blocks (302) and the tunnel furnace body (1), and the two resisting blocks (301) are fixedly connected to the sealing door (201); The pulling structure (4) comprises a sliding rod (401), the sliding rod (401) is slidably connected to the tunnel furnace body (1), one end of the sliding rod (401) abuts against one of the abutting blocks (301) and the other end is fixedly connected to a connecting rope (402), the connecting rope (402) is wound around a guide wheel (403), the other end of the connecting rope (402) is fixedly connected to a sliding plate (404), the sliding plate (404) is fixedly connected to a sliding frame (6) and slidably connected to the tunnel furnace body (1), and a second return spring (405) abuts against the sliding plate (404) and the tunnel furnace body (1).

2. A lithium battery vacuum baking tunnel furnace according to claim 1, characterized in that: The sliding frame (6) has a U-shaped structure, one end of the cross section of the second sliding block (702) has a "convex"-shaped structure, the cross section of the sliding groove (704) has a "convex"-shaped structure, and one end of the cross section of the guide plate (701) has a "√"-shaped structure.

3. A lithium battery vacuum baking tunnel furnace according to claim 2, characterized in that: The feeding structure (5) comprises a plurality of feeding rollers (505), the plurality of feeding rollers (505) are rotatably connected to the sliding frame (6), one end of the feeding roller (505) is fixedly connected to a second gear (504), a chain (503) is wound around the plurality of second gears (504), a motor (501) is mounted on the sliding frame (6), a first gear (502) is fixedly connected to the output shaft of the motor (501), a chain (503) is wound around the first gear (502), and the plurality of feeding rollers (505) are equidistantly distributed.

4. A lithium battery vacuum baking tunnel furnace according to claim 3, characterized in that: The placement structure (9) comprises a placement plate (901), a plurality of placement plates (901) are placed on the feed roller (505), a plurality of placement grooves (902) are provided on the placement plate (901), and the cross-section of the placement grooves (902) is an arc-shaped structure.

5. A lithium battery vacuum baking tunnel furnace according to claim 4, characterized in that: The blocking structure (8) comprises two grooves (805), the sliding frame (6) is provided with two grooves (805), a baffle (801) is placed inside the groove (805), the sliding frame (6) is rotatably connected with a rotating shaft (803), one end of the rotating shaft (803) is fixedly connected with a handle (802), the other end of the rotating shaft (803) is fixedly connected with a rotating block (804), the rotating block (804) is in contact with the baffle (801), and one end of the cross section of the groove (805) is a trapezoidal structure.

6. A lithium battery vacuum baking tunnel furnace according to claim 5, characterized in that: The sealing structure (2) comprises a sealing door (201), two sealing doors (201) are slidably connected to the tunnel furnace body (1), two connecting blocks (202) are fixedly connected to the sealing door (201), an opening (203) is provided on the connecting block (202), a first sliding block (204) is engaged with the opening (203), one end of the first sliding block (204) is fixedly connected to one end of a hydraulic cylinder (205), and the other end of the hydraulic cylinder (205) is fixedly connected to the tunnel furnace body (1).

7. A lithium battery vacuum baking tunnel furnace according to claim 6, characterized in that: The cross section of the first sliding block (204) is in an "I"-shaped structure, and a sealing gasket (206) is clamped on the sealing door (201).

8. The lithium battery vacuum baking tunnel furnace according to claim 1, characterized in that: One end of the cross section of the stopper (302) is in a trapezoidal structure, and one end of the cross section of the stopper (301) is in a trapezoidal structure.

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