Transportation circulating device for saggars for calcination

Abstract

The invention discloses a calcining saggar transportation circulating device which comprises a conveying line, a detection mechanism, a saggar separation mechanism and a saggar filling mechanism, and the conveying line is used for circularly conveying unloaded saggars to a feeding station; the detection mechanism is erected on the conveying line and used for detecting whether the saggar is damaged or not; the saggar separating mechanism is erected on the conveying line and used for pushing the crushed saggars away from the moving conveying line, and a vacant area is formed; the saggar filling mechanism is erected on the conveying line and used for putting new saggars into the vacant area in the conveying direction of the conveying line at a fixed interval with the adjacent saggars. The detection mechanism, the saggar separation mechanism and the saggar filling mechanism are arranged on the conveying line, when the saggar with cracks is detected, the saggar is separated from the conveying line, a new saggar is filled in the original position, and circulating conveying of the saggar in the calcination process does not need to be interrupted in the whole process.

Description

Technical Field

[0001] The invention relates to the technical field of powder material calcination, and in particular to a sagger transport circulation device for calcination. Background Art

[0002] In the production process of positive and negative electrode materials for lithium batteries, in order to protect the physical and chemical properties of the powder during high-temperature calcination and avoid pollution or loss caused by direct contact with oxygen, flames, etc. in the kiln, a sagger made of refractory materials is usually used. In the current calcination process, the sagger is used in a rotating ring. For example, Chinese patent 201810064066.5 discloses an automated production method for producing high-voltage lithium cobalt oxide, including: the mixed material is filled in the sagger by a filling device, and the sagger is calcined in a six-row double-layer roller kiln, and the material includes lithium carbonate and cobalt oxide.

[0003] In the above-mentioned prior art, during the process of unloading the sagger, the unloading tool will collide with the sagger when it is turned over, which may cause cracks. The cracks will cause the sagger to have problems such as reduced thermal conductivity, reduced strength, and dust accumulation, which affect the calcination quality. Therefore, in order to avoid affecting the sagger circulation and calcination quality of the entire calcination system, how to replace the cracked sagger without interrupting the production cycle is a technical problem that needs to be solved. Summary of the invention

[0004] The purpose of the present invention is to overcome the above technical deficiencies and to provide a sagger transport circulation device for calcining, so as to solve the technical problem in the prior art of how to replace a cracked sagger without interrupting the production cycle.

[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions: The present invention provides a sagger transport circulation device for calcining, comprising: The conveyor line is used to circulate the unloaded sagger to the loading station; A detection mechanism is installed on the conveyor line to detect whether the sagger is damaged; A sagger separation mechanism, which is mounted on the conveyor line and is used to push the broken saggers away from the moving conveyor line to form an empty area; and The sagger filling mechanism is set up on the conveyor line and is used for placing new saggers into the vacant area along the conveying direction of the conveyor line at a fixed distance from adjacent saggers.

[0006] In some embodiments, the sagger filling mechanism includes a base, a sagger delivery assembly and a sagger loading assembly, the base is provided with a receiving groove, one end of the receiving groove is provided with a discharge port, the sagger loading assembly is installed in the receiving groove, and is used to push the sagger from the receiving groove to the discharge port, the sagger delivery assembly is installed on the discharge port, and has a first position for clamping the sagger in the discharge port, and a second position for descending to the surface of the conveyor line and releasing the clamp on the sagger.

[0007] In some embodiments, the sagger delivery assembly includes a lifting drive, a frame and a clamping member, the lifting drive is installed on the base, the frame is fixedly connected to the movable end of the lifting drive, and the clamping member is installed on the frame for clamping the two sides of the sagger in an openable and closable manner.

[0008] In some embodiments, the clamping member includes a seat body, a telescopic rod and a clamping claw, the seat body is fixedly connected to the frame, the clamping claw is hinged at the bottom of the seat body, and the two ends of the telescopic rod are respectively hinged to the seat body and the clamping claw.

[0009] In some embodiments, the frame is U-shaped, and the inner length and inner width of the frame are respectively greater than the length and width of the sagger.

[0010] In some embodiments, the clamping jaws are formed in an L-shape, and the L-shaped clamping jaws are clamped on the side and bottom surfaces of the sagger.

[0011] In some embodiments, the sagger loading assembly includes a linear drive member and a push plate, the linear drive member is mounted on the base, the push plate is fixedly connected to the movable end of the linear drive member and is arranged on the inner side of the receiving groove, and is used to push the sagger to slide along the receiving groove toward the unloading port.

[0012] In some embodiments, the sagger separation mechanism includes a telescopic mechanism, a discharge plate and a collecting bucket, the telescopic mechanism is arranged on one side of the conveyor line, the collecting bucket is arranged on the other side of the conveyor line, and the discharge plate is arranged at the movable end of the telescopic mechanism, which is used to push the unqualified saggers from one side of the conveyor line toward the other side of the conveyor line.

[0013] In some embodiments, the sagger filling mechanism further includes a laser sensor, which is arranged on the conveyor line and corresponds to the position of the material discharge port, and is used to detect whether a sagger passes by.

[0014] In some embodiments, the detection mechanism includes a mounting frame, an industrial CCD camera and a fill light. The mounting frame is fixedly connected to the conveyor line. The industrial CCD camera and the fill light are both installed on the mounting frame, and are used to capture images of the outer surface of the sagger on the conveyor line and fill light, respectively.

[0015] Compared with the prior art, the sagger transport circulation device for calcining provided by the present invention, by arranging a detection mechanism, a sagger separation mechanism and a sagger filling mechanism on the conveying line, when a sagger with cracks is detected, it is separated from the conveying line and a new sagger is filled in the original position. The whole process does not need to interrupt the circulation and transportation of the sagger during the calcination process. While maintaining the original circulation efficiency, the interference of the sagger cracks on the calcination quality is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a sagger transport circulation device for calcining provided in an embodiment of the present invention; Figure 2 It is a structural schematic diagram of placing a new sagger in the sagger transport circulation device for calcining provided by an embodiment of the present invention; Figure 3 It is a structural front view of a sagger transport circulation device for calcining provided by an embodiment of the present invention; Figure 4 It is a top view of the structure of the sagger transport circulation device for calcining provided in an embodiment of the present invention.

[0017] Description of reference numerals: 1. Conveyor line; 2. Testing agency; 3. Sagger separation mechanism; 31. Telescopic mechanism; 32. Unloading plate; 33. Collection bucket; 4. Sagger filling mechanism; 41. base; 411. containing groove; 412. unloading port; 42. sagger feeding assembly; 421. lifting drive member; 422. frame; 4231. seat; 4232. telescopic rod; 4233. clamping claw; 423. clamping member; 43. sagger feeding assembly; 431. linear drive member; 432. push plate; 5. Sagger. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] In order to solve the technical problem of how to replace a cracked sagger without interrupting the production cycle, the present invention provides a sagger transport circulation device for calcining, which can replace a cracked sagger without interrupting the production cycle.

[0020] It should be noted that the sagger transport circulation device for calcining described in the present invention is used for but not limited to powder calcining, etc. For the convenience of explanation, in the present invention, only the application of the sagger transport circulation device for calcining to powder calcining is taken as an example for explanation, and the principle of applying the sagger transport circulation device for calcining to other types of equipment is essentially the same as the principle applied to powder calcination, which will not be elaborated here.

[0021] See also Figure 1 , Figure 1 The present invention is a structural schematic diagram of a sagger transport circulation device for calcining in one embodiment of the present invention, the sagger transport circulation device for calcining comprises a conveyor line 1, a detection mechanism 2, a sagger separation mechanism 3 and a sagger filling mechanism 4, the conveyor line 1 is used for cyclically conveying the unloaded sagger to a loading station, and a conveyor is used for linear conveying, a plurality of saggers are linearly arranged on the conveyor line 1, and a spacing is provided between the front and rear saggers; the detection mechanism 2 is set up on the conveyor line 1, and is used for detecting whether the sagger is damaged, and the detection mechanism 2 uses a machine vision device to detect the outer surface of the sagger to detect whether it has cracks; the sagger separation mechanism 3 is set up on the conveyor line 1, and is used for pushing the broken sagger away from the moving conveyor line 1, and when it is detected that the sagger has cracks, the time consumed for the sagger with cracks to move to the sagger separation mechanism 3 is judged according to the moving speed of the conveyor line 1, When it moves to the sagger separation mechanism 3, it is separated from the conveyor line 1 to avoid entering the next cycle of calcination; the sagger filling mechanism 4 is set up on the conveyor line 1, and is used for, on the moving conveyor line 1, in the vacant area where the saggers are separated, placing a new sagger and the sagger in front of it along the conveying direction of the conveyor line 1 at a certain distance. After the sagger with cracks is separated from the conveyor line 1, there is a vacant area on the conveyor line 1. Since the saggers before and after are arranged at roughly equal intervals, the vacant area will affect the subsequent loading and stacking processes. In order to connect the original loading and stacking and other series of processes, a new sagger is placed in the vacant area, and its placement position is controlled to be basically consistent with the original sagger, and the distance with the front and rear saggers is also roughly the same, so as to achieve the original cyclic conveying effect, avoid the process of separating the saggers and placing the new sagger, and cause adjustments and failures in the subsequent processes.

[0022] In this embodiment, since the speed of the conveyor line 1 is constant, the spacing generated in the sequential conveying of the saggers is also roughly the same. Therefore, the timing of placing the new sagger is calculated according to the speed of the conveyor line 1, the spacing between the detection mechanism 2 and the sagger filling mechanism 4. After the detection mechanism 2 detects the sagger with cracks, a timing signal is obtained, and a countdown is performed according to the set placement timing. After the countdown is completed, the sagger filling mechanism 4 can be controlled to fill the new sagger. Among them, the detection mechanism, the sagger separation mechanism 3 and the sagger filling mechanism 4 are sequentially arranged along the conveying direction of the conveyor line 1. On the conveyor line 1, detection is first performed, then separation is performed, and finally the new sagger is placed.

[0023] In one embodiment, see Figure 2 In order to control the correct placement of the saggers and the distance between the saggers before and after the conveyor line 1 after the saggers with cracks are found, the sagger filling mechanism 4 includes a base 41, a sagger placing assembly 42 and a sagger loading assembly 43. A receiving groove 411 is provided on the base 41, and the base 41 is suspended directly above the conveyor line 1. The receiving groove 411 is arranged along the length direction of the conveyor line 1, and a number of new saggers are sequentially filled along the length direction. Among them, a discharge port 412 is provided at one end of the receiving groove 411, and the sagger loading assembly 43 is installed in the receiving groove 411, and is used to push the sagger from the receiving groove 411 to the discharge port 412. The sagger placing assembly 42 is installed on the discharge port 412, and has a first position of clamping the sagger in the discharge port 412, and a second position of descending to the surface of the conveyor line 1 and releasing the clamping of the sagger. The sagger is pushed into the unloading port 412, and the sagger delivery assembly 42 is located at the first position, holding the sagger and controlling its height position. After receiving the signal for delivering the sagger, the sagger is delivered downward, switched to the second position, and the clamp is released to deliver the sagger onto the conveyor line 1.

[0024] In this embodiment, since the two side walls of the accommodating groove 411 are attached to the two side walls of the sagger, they have a guiding effect on its direction and sliding, so that when it is pushed to the discharge port 412, it is in a correct position for delivery and is parallel to the conveying direction, avoiding an angle with the conveying direction that causes the delivery to be skewed.

[0025] Furthermore, in order to switch the sagger between the first position and the second position, as well as the clamping and releasing functions, the sagger delivery assembly 42 includes a lifting drive member 421, a frame 422 and a clamping member 423, the lifting drive member 421 is installed on the base 41, the frame 422 is fixedly connected to the movable end of the lifting drive member 421, and the clamping member 423 is installed on the frame 422, and is used for opening and closing the two sides of the sagger, the two sides are respectively on the two sides of the conveying direction of the conveyor line 1, that is, the front side and the rear side of the sagger, the clamping is arranged on both sides of the sagger, avoiding the conveying direction of the conveyor line 1, and the moving direction of the opening and closing action is a plane perpendicular to the conveying direction of the conveyor line 1, that is, after the clamping is released, it does not block the conveying of the new sagger and the subsequent sagger.

[0026] It is understandable that the lifting drive member 421 can adopt mature equipment with lifting functions such as a screw guide pair, a hydraulic push rod, etc., and this is not limited to the above.

[0027] Furthermore, in order to clamp the new crucible, the clamping member 423 includes a seat body 4231, a telescopic rod 4232 and a clamping jaw 4233. The seat body 4231 is fixedly connected to the frame 422, and the clamping jaw 4233 is hinged at the bottom of the seat body 4231. The two ends of the telescopic rod 4232 are respectively hinged to the seat body 4231 and the clamping jaw 4233. The opening and closing action of the clamping jaw 4233 is controlled by the extension and retraction of the telescopic rod 4232.

[0028] The seat body 4231, the telescopic rod 4232 and the clamping claw 4233 are two groups, and the two groups are arranged at the front and rear sides of the sagger to form a sleeve clamp during the opening and closing action.

[0029] It can be understood that the telescopic rod 4232 can adopt a pneumatic push rod or a hydraulic push rod as long as it has a telescopic control function.

[0030] The frame 422 is U-shaped, and the inner length and inner width of the frame 422 are respectively larger than the length and width of the sagger, so that during the lifting process, the action of pushing a new sagger into the position of the discharge port 412 is not affected.

[0031] It can be understood that the U-shaped opening of the frame 422 faces the direction of the new sagger that has not been filled to the discharge port 412. In order to shorten the speed of subsequent filling of the new sagger, after the last new sagger is put in, the subsequent sagger can be pushed. At this time, the frame 422 and the clamp 423 are lifted synchronously. Since the frame 422 and the clamp 423 are located on both sides of the sagger, the feeding of the sagger will not be blocked during the lifting process. When the frame 422 and the clamp 423 return to their original positions, the sagger can be moved one-third to one-half of the range to the discharge port in advance, thereby shortening the speed of filling the new sagger.

[0032] Furthermore, in order to be able to clamp the sagger and release it quickly, the clamping jaws 4233 are formed in an L shape, and the L-shaped clamping jaws 4233 are clamped on the side and bottom of the sagger, so that the clamping can be quickly released under the rotation opening and closing action, and the sagger can be placed on the conveyor line 1.

[0033] Furthermore, in order to improve the control accuracy, the sagger filling mechanism 4 also includes a laser sensor, which is arranged on the conveyor line 1 and corresponds to the position of the discharge port 412, and is used to detect whether a sagger passes by. The sagger separation mechanism 3 and the sagger filling mechanism 4 are adjacent, that is, during separation, in conjunction with the detection signal of the laser sensor, it can be known whether a sagger before the separated sagger moves and leaves under the discharge port 412. When it moves away from under the discharge port 412, it is fed back to the control element to control the sagger filling mechanism 4 to perform the filling action.

[0034] It can be understood that the control part can be controlled by a programmable controller, which is a simple logical control and a conventional operating method in the technical field, and will not be elaborated here.

[0035] In one embodiment, see Figure 2 and Figure 3 The sagger loading assembly 43 includes a linear driving member 431 and a push plate 432. The linear driving member 431 is installed on the base 41. The push plate 432 is fixedly connected to the movable end of the linear driving member 431 and is arranged on the inner side of the accommodating groove 411 to push the sagger to slide along the accommodating groove 411 toward the unloading port 412.

[0036] It is understandable that the linear drive component 431 can adopt mature equipment with lifting functions such as a screw guide pair, a hydraulic push rod, etc., and this is not limited here.

[0037] In one embodiment, see Figure 1 and Figure 4 In order to push the cracked sagger away from the conveyor line 1, the sagger separation mechanism 3 includes a telescopic mechanism 31, a blanking plate 32 and a collecting bucket 33. The telescopic mechanism 31 is arranged on one side of the conveyor line 1, and the collecting bucket 33 is arranged on the other side of the conveyor line 1. The blanking plate 32 is arranged at the movable end of the telescopic mechanism 31, and is used to push the unqualified sagger from one side of the conveyor line 1 toward the other side of the conveyor line 1. After being pushed out, it falls into the collecting bucket 33 for collection and linear arrangement. The collecting bucket 33 is an inclined surface, which can guide the sagger to slide.

[0038] It can be understood that the separation sagger is not limited to a method of pushing it away, but can also be separated by lifting it from above.

[0039] In one embodiment, see Figure 1 The detection mechanism 2 includes a mounting frame, an industrial CCD camera and a fill light. The mounting frame is fixedly connected to the conveyor line 1. The industrial CCD camera and the fill light are both installed on the mounting frame, and are used to capture the image of the outer surface of the sagger on the conveyor line 1 and the fill light respectively.

[0040] It can be understood that the outer surface of the sagger is photographed by an industrial CCD camera, and the captured image can be analyzed by machine vision technology to determine whether it has cracks. The above is a conventional technical means of machine vision for the quality of the outer surface.

[0041] In order to better understand the present invention, the following Figures 1 to 4The technical scheme of the present invention is described in detail: the conveyor line 1 circulates and conveys the saggers after unloading. During the conveying process, they are inspected by the detection mechanism 2. When a sagger with cracks is detected, the sagger separation mechanism 3 pushes the sagger to the collecting bucket 33 with the lower feeding plate 32 under the extension and contraction of the telescopic mechanism 31, and the sagger is detached from the conveyor line 1; after detachment, a vacant area is generated there, and correspondingly, the sagger filling mechanism 4 uses the sagger delivery assembly 42 to move the lifting drive member 421 in the vacant area to below the discharge port 412, lowers the new sagger clamped on the clamping member 423, releases the clamp, and delivers the sagger to the vacant area with a controlled front and rear spacing, and then resets it, and loads the subsequent new sagger to the clamping member 423 through the sagger loading assembly 43 for the next filling of the new sagger.

[0042] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sagger transport circulation device for calcining, characterized in that: include: The conveyor line is used to circulate the unloaded sagger to the loading station; A detection mechanism is installed on the conveyor line to detect whether the sagger is damaged; The sagger separation mechanism is set up on the conveyor line and is used to push the broken sagger away from the moving conveyor line to form an empty area; as well as The sagger filling mechanism is set up on the conveyor line and is used for placing new saggers into the vacant area along the conveying direction of the conveyor line at a fixed distance from adjacent saggers.

2. The sagger transport circulation device for calcination according to claim 1, characterized in that: The sagger filling mechanism comprises a base, a sagger delivery assembly and a sagger loading assembly. The base is provided with a receiving groove, one end of the receiving groove is provided with a discharge port, the sagger loading assembly is installed in the receiving groove and is used to push the sagger from the receiving groove to the discharge port, the sagger delivery assembly is installed on the discharge port and has a first position for clamping the sagger in the discharge port, and a second position for descending to the surface of the conveyor line and releasing the clamp on the sagger.

3. The sagger transport circulation device for calcination according to claim 2, characterized in that: The sagger delivery assembly comprises a lifting drive, a frame and a clamping member, wherein the lifting drive is mounted on the base, the frame is fixedly connected to the movable end of the lifting drive, and the clamping member is mounted on the frame for clamping the two sides of the sagger in an openable and closable manner.

4. The sagger transport circulation device for calcination according to claim 3, characterized in that: The clamping member comprises a seat body, a telescopic rod and a clamping claw, wherein the seat body is fixedly connected to the frame, the clamping claw is hinged at the bottom of the seat body, and two ends of the telescopic rod are respectively hinged to the seat body and the clamping claw.

5. The sagger transport circulation device for calcination according to claim 4, characterized in that: The frame is U-shaped, and the inner length and inner width of the frame are respectively greater than the length and width of the sagger.

6. The sagger transport circulation device for calcination according to claim 5, characterized in that: The clamping jaws are formed in an L shape, and the L-shaped clamping jaws are clamped on the side and bottom surfaces of the sagger.

7. The sagger transport circulation device for calcination according to claim 2, characterized in that: The sagger loading assembly includes a linear drive member and a push plate. The linear drive member is installed on the base. The push plate is fixedly connected to the movable end of the linear drive member and is arranged on the inner side of the accommodating groove to push the sagger to slide along the accommodating groove toward the discharge port.

8. The sagger transport circulation device for calcination according to claim 1, characterized in that: The sagger separation mechanism includes a telescopic mechanism, a discharge plate and a collecting bucket. The telescopic mechanism is arranged on one side of the conveyor line, the collecting bucket is arranged on the other side of the conveyor line, and the discharge plate is arranged at the movable end of the telescopic mechanism, and is used to push unqualified saggers from one side of the conveyor line toward the other side of the conveyor line.

9. The sagger transport circulation device for calcination according to claim 2, characterized in that: The sagger filling mechanism further comprises a laser sensor, which is arranged on the conveying line and corresponds to the position of the material discharge port, and is used to detect whether a sagger passes by.

10. The sagger transport circulation device for calcination according to claim 1, characterized in that: The detection mechanism includes a mounting frame, an industrial CCD camera and a fill light. The mounting frame is fixedly connected to the conveyor line. The industrial CCD camera and the fill light are both installed on the mounting frame and are used to capture images of the outer surface of the sagger on the conveyor line and the fill light respectively.

Images