Production feeding device

Abstract

The utility model belongs to the technical field of graphite negative electrode material production, and particularly relates to a production feeding device which comprises a smashing box, a smashing box and a feeding cylinder, the smashing box is fixedly installed on the right side, close to the lower end, of the smashing box and communicates with the smashing box, and a flow guide bin is fixedly installed at the lower ends of the smashing box and the smashing box; according to the crushing device, the crushing motor drives the first crushing wheel to rotate, so that the first straight gear drives the second straight gear to rotate, the first crushing wheel and the second crushing wheel simultaneously and oppositely rotate, the crushing box and the crushing box are arranged in the crushing box, the crushing box and the crushing box are arranged in the crushing box, and the feeding barrel is arranged at the lower end of the flow guide bin and is communicated with the flow guide bin. And when the second crushing wheel rotates, a transmission wheel can be driven, a transmission wheel on a third crushing wheel is driven to rotate through a transmission belt, graphite is crushed between the first crushing wheel and the second crushing wheel and is crushed again between the third crushing wheel and the inner wall plate, and the device enables the graphite fragment pre-crushing effect to be better.

Description

Technical Field

[0001] The utility model relates to a graphite negative electrode material production device, in particular to a production feeding device. Background Art

[0002] Graphite is a common negative electrode material for lithium batteries. Lithium-ion secondary batteries currently mainly use graphite powder as the negative electrode material for their conductive negative electrodes. Graphite materials are now widely used.

[0003] When producing and preparing graphite negative electrode materials, it is often necessary to grind graphite fragments of different sizes and shapes to make the graphite fragments into powder for use. The grinding process requires that the graphite fragments be transported to a grinding box through a feeding device, so a production feeding device is required.

[0004] In the current production feeding device, in order to reduce the volume of graphite fragments for better grinding, the graphite fragments are pre-crushed before being transported for grinding. However, the crushing effect is not good during the pre-crushing process. Some larger graphite fragments are not crushed successfully, resulting in inconsistent sizes of the transported graphite fragments and poor pre-crushing effect. Utility Model Content

[0005] The main purpose of the present disclosure is to provide a production feeding device to effectively solve the problems raised by the inventor in the above background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A production feeding device comprises a crushing box, a crushing box and a feeding assembly, wherein the crushing box is fixedly mounted on one side of the crushing box, and an opening is provided at the connection between the crushing box and the crushing box, a feeding funnel is fixedly mounted on the top of the crushing box, a first crushing wheel and a second crushing wheel are rotatably mounted on both sides of the crushing box, the first crushing wheel and the second crushing wheel are arranged parallel to each other and crushing teeth are fixedly mounted on the surface, the crushing teeth on the surface of the first crushing wheel are meshed with the crushing teeth on the surface of the second crushing wheel, guide plates are arranged on the upper and lower sides of the first crushing wheel and the second crushing wheel in the crushing box, a filter plate is fixedly mounted in the crushing box, a vibration motor is provided at the lower end of the filter plate, and the filter plate A scraper assembly for removing impurities from the filter plate is arranged above, inner wall plates are fixedly installed on both sides of the crushing box, and crushing teeth are fixedly installed on the sides of the two inner wall plates close to each other, a third crushing wheel is rotatably installed inside the crushing box, and crushing teeth are fixedly installed on the surface of the third crushing wheel, a feeding port is provided at the lower end of the crushing box and the crushing box, a guide bin is fixedly installed at the lower end of the crushing box and the crushing box, and the crushing box and the crushing box are communicated with the guide bin, a feed pipe is fixedly connected to the bottom end of the guide bin, the feeding assembly is obliquely fixedly connected to the bottom end of the feed pipe, a support seat is arranged at the bottom of the crushing box, and a lifting assembly for lifting the crushing box is arranged at the upper end of the support seat.

[0008] Preferably, one end of the first crushing wheel and the second crushing wheel shaft both pass through the crushing box and are connected to the outside, and a first spur gear is fixedly installed on the first crushing wheel shaft, and a second spur gear is fixedly installed on the second crushing wheel shaft, the first spur gear is meshed with the second spur gear, the front end of the third crushing wheel shaft passes through the crushing box and extends to the outside of the crushing box, and a transmission wheel is fixedly installed on the front end of the third crushing wheel and the second crushing wheel shaft, and the two transmission wheels are connected by a transmission belt, and a crushing motor is fixedly installed on the rear side of the crushing box, and the output shaft of the crushing motor is fixedly connected to the rear end of the first crushing wheel shaft, and the first crushing wheel is driven to rotate by the crushing motor, so that the first spur gear drives the second spur gear to rotate, so that the first crushing wheel and the second crushing wheel rotate simultaneously and in opposite directions to crush the graphite fragments, and at the same time, when the second crushing wheel rotates, the transmission wheel on the second crushing wheel shaft rotates accordingly, and the transmission belt drives the transmission wheel on the third crushing wheel shaft to rotate, so that the third crushing wheel can rotate and cooperate with the crushing teeth on the inner wall plate to crush the graphite fragments.

[0009] Preferably, the scraper assembly includes fixed frames fixed on both sides of the inside of the crushing box, a translation screw is rotatably installed in the fixed frame on one side, and a sliding rod is fixedly installed in the fixed frame on the other side, a scraper is arranged between the fixed frames, the lower end of the scraper is in contact with the upper surface of the filter plate, one side of the scraper is threadedly installed on the translation screw, and the other side is slidably installed on the sliding rod, one end of the translation screw passes through the side of the crushing box and is fixedly connected to a rocking wheel, the translation screw is rotated by the rocking wheel to make the scraper slide on the sliding rod, and the scraper is moved to the right on the upper end of the filter plate, so that the graphite fragments on the upper end of the filter plate can be pushed into the crushing box for crushing, and at the same time the filter plate can be cleaned to prevent blockage.

[0010] Preferably, the feeding assembly includes a feeding barrel, a discharge pipe is fixedly installed near the lower right end of the feeding barrel, a feeding shaft is rotatably installed inside the feeding barrel, a spiral blade is fixedly installed on the surface of the feeding shaft, a feeding motor is fixedly installed at one end of the feeding barrel, and the output shaft of the feeding motor is fixedly connected to the feeding shaft. The feeding shaft is driven to rotate by the feeding motor to rotate the spiral blades on the feeding shaft, and the graphite fragments entering from the feeding pipe are transported upward for feeding and discharged through the discharge pipe.

[0011] Preferably, the lifting assembly includes support columns fixed on both sides of the support seat, and connecting plates are fixedly installed on the front and rear sides near the lower end of the crushing box, and the inner walls of the lower ends of the two support columns are rotatably installed with lifting screws, and the two lifting screws are threadedly installed on the two lifting screws, and the two lifting columns are respectively fixedly connected to the two connecting plates, and a first bevel gear is fixedly installed on the rotating shaft at the lower ends of the two lifting screws. A transmission rod is rotatably installed between the two support columns, and a second bevel gear is fixedly installed at both ends of the transmission rod, and the two second bevel gears are respectively meshed with the two first bevel gears, and a rotating handle is fixedly installed in the middle of the transmission rod. The transmission rod is rotated by rotating the handle to rotate the transmission rod so that the two second bevel gears drive the two first bevel gears to rotate, thereby realizing the simultaneous rotation of the two lifting screws, so that the two lifting columns are respectively lifted and lowered with the connecting plate on the two support columns, and the connecting plate lifts and lowers with the crushing box, so that the height of the loading barrel can be adjusted for use.

[0012] Preferably, the inner walls of the two support columns are fixedly installed with slide rails, the lower ends of the two lifting columns are fixedly installed with sliders, the sliders are slidably installed in the slide rails, and when the lifting columns are lifted or lowered in the support columns, the sliders slide in the slide rails to enable the lifting columns to be lifted or lowered smoothly.

[0013] In view of this, compared with the prior art, the beneficial effects of the utility model are:

[0014] In the present application, a crushing box and a crushing box are set up, and the crushing motor drives the first crushing wheel to rotate, so that the first spur gear drives the second spur gear to rotate, so that the first crushing wheel and the second crushing wheel rotate simultaneously and in opposite directions. When the second crushing wheel rotates, it drives the transmission wheel on the rotating shaft of the second crushing wheel, and at the same time drives the transmission wheel on the third crushing wheel to rotate through the transmission belt. The third powder crushing wheel rotates, and the graphite fragments are first crushed by the crushing teeth between the first crushing wheel and the second crushing wheel, and then fall on the filter plate after crushing. After crushing, the larger graphite fragments stay on the filter plate, and the scraper moves on the slide rod by rotating the translation screw through the rocking wheel. The scraper moves to the right on the filter plate, and the larger graphite fragments on the filter plate can be pushed into the crushing box, and are crushed again by the crushing teeth between the third crushing wheel and the inner wall plate, so that the pre-crushing effect of the graphite fragments is better, and the inconsistent size of the transported graphite fragments is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic diagram of the structure of the production feeding device provided by the utility model;

[0016] Figure 2 The figure is a front view of the production feeding device provided by the utility model;

[0017] Figure 3 The figure shows a side cross-sectional view of the production feeding device provided by the utility model;

[0018] Figure 4 The figure shows a top view of a cross-sectional view of a fixing frame of a production feeding device provided by the utility model.

[0019] Icons: 1. Crushing box; 2. Feed hopper; 3. First crushing wheel; 4. Second crushing wheel; 5. Guide plate; 6. Crushing motor; 7. First spur gear; 8. Second spur gear; 9. Filter plate; 10. Vibrating motor; 11. Fixed frame; 12. Translation screw; 13. Slide rod; 14. Scraper; 15. Rocker; 16. Crushing box; 17. Inner wall plate; 18. Third crushing wheel; 19. Transmission wheel; 20. Transmission belt; 21. Guide bin; 22. Loading barrel; 23. Feed pipe; 24. Discharge pipe; 25. Feeding motor; 26. Feeding shaft; 27. Support seat; 28. Support column; 29. ​​Lifting column; 30. Connecting plate; 31. Lifting screw; 32. First bevel gear; 33. Second bevel gear; 34. Transmission rod; 35. Rotating handle; 36. Slide rail; 37. Slider. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 , the utility model provides the following embodiments:

[0022] A production feeding device comprises a crushing box 1, a crushing box 16 and a feeding assembly, wherein the crushing box 16 is fixedly mounted on one side of the crushing box 1, and an opening is provided at the connection between the crushing box 1 and the crushing box 16, a feeding funnel 2 is fixedly mounted on the top of the crushing box 1, a first crushing wheel 3 and a second crushing wheel 4 are rotatably mounted on both sides of the crushing box 1, the first crushing wheel 3 and the second crushing wheel 4 are arranged parallel to each other and crushing teeth are fixedly mounted on the surface, the crushing teeth on the surface of the first crushing wheel 3 are meshed with the crushing teeth on the surface of the second crushing wheel 4, guide plates 5 are arranged on the upper and lower sides of the first crushing wheel 3 and the second crushing wheel 4 in the crushing box 1, a filter plate 9 is fixedly mounted in the crushing box 1, a vibration motor 10 is provided at the lower end of the filter plate 9, and a filter plate 9 is provided above the filter plate 9 There is a scraper assembly for removing impurities from the filter plate 9, inner wall plates 17 are fixedly installed on both sides of the crushing box 16, and crushing teeth are fixedly installed on the sides where the two inner wall plates 17 are close to each other, a third crushing wheel 18 is rotatably installed inside the crushing box 16, and crushing teeth are fixedly installed on the surface of the third crushing wheel 18, a feeding port is provided at the lower end of the crushing box 1 and the crushing box 16, a guide bin 21 is fixedly installed at the lower end of the crushing box 1 and the crushing box 16, and the crushing box 1 and the crushing box 16 are both communicated with the guide bin 21, a feed pipe 23 is fixedly connected to the bottom end of the guide bin 21, a feeding assembly is obliquely fixedly connected to the bottom end of the feed pipe 23, a support seat 27 is provided below the crushing box 1, and a lifting assembly for lifting the crushing box 1 is provided at the upper end of the support seat 27.

[0023] Specifically, one end of the first crushing wheel 3 and the second crushing wheel 4 shafts pass through the crushing box 1 and are connected to the outside, and the first spur gear 7 is fixedly installed on the first crushing wheel 3 shaft, and the second spur gear 8 is fixedly installed on the second crushing wheel 4 shaft, and the first spur gear 7 is meshed with the second spur gear 8. The front end of the third crushing wheel 18 shaft passes through the crushing box 16 and extends to the outside of the crushing box 16, and the front ends of the third crushing wheel 18 and the second crushing wheel 4 shafts are fixedly installed with a transmission wheel 19, and the two transmission wheels 19 are connected by a transmission belt 20. A crushing motor 6 is fixedly installed on the rear side of the crushing box 1. The output shaft of the crushing motor 6 is fixedly connected to the rear end of the rotating shaft of the first crushing wheel 3. The crushing motor 6 drives the first crushing wheel 3 to rotate, so that the first spur gear 7 drives the second spur gear 8 to rotate, so that the first crushing wheel 3 and the second crushing wheel 4 rotate simultaneously and in opposite directions to crush the graphite fragments. At the same time, when the second crushing wheel 4 rotates, the transmission wheel 19 on the rotating shaft of the second crushing wheel 4 rotates accordingly, and the transmission belt 20 drives the transmission wheel 19 on the rotating shaft of the third crushing wheel 18 to rotate, so that the third crushing wheel 18 can rotate to cooperate with the crushing teeth on the inner wall plate 17 to crush the graphite fragments.

[0024] Specifically, the scraper assembly includes a fixing frame 11 fixed on both sides of the inside of the crushing box 1, a translation screw 12 is rotatably installed in the fixing frame 11 on one side, and a slide bar 13 is fixedly installed in the fixing frame 11 on the other side, and a scraper 14 is arranged between the fixing frames 11, and the lower end of the scraper 14 contacts the upper surface of the filter plate 9, one side of the scraper 14 is threadedly installed on the translation screw 12, and the other side is slidably installed on the slide bar 13, one end of the translation screw 12 passes through the side of the crushing box 1 and is fixedly connected with a rocking wheel 15, the translation screw 12 is rotated by the rocking wheel 15, the scraper 14 slides on the slide bar 13, and the scraper 14 is moved to the right at the upper end of the filter plate 9, so that the graphite fragments at the upper end of the filter plate 9 can be pushed into the crushing box 16 for crushing, and at the same time, the filter plate 9 is cleaned to prevent blockage.

[0025] Specifically, the feeding assembly includes a feeding barrel 22, a discharge pipe 24 is fixedly installed near the lower right end of the feeding barrel 22, a feeding shaft 26 is rotatably installed inside the feeding barrel 22, a spiral blade is fixedly installed on the surface of the feeding shaft 26, and a feeding motor 25 is fixedly installed at one end of the feeding barrel 22, and the output shaft of the feeding motor 25 is fixedly connected to the feeding shaft 26. The feeding motor 25 drives the feeding shaft 26 to rotate, so that the spiral blades on the feeding shaft 26 rotate, and the graphite fragments entering from the feeding pipe 23 are transported upward for feeding, and discharged through the discharge pipe 24.

[0026] The two lifting screws 31 are threadably mounted on the inner walls of the lower ends of the two support columns 28, and the two lifting columns 29 are threadably mounted on the two lifting screws 31. The two lifting columns 29 are respectively fixedly connected to the two connecting plates 30, and the first bevel gears 32 are fixedly mounted on the rotating shafts at the lower ends of the two lifting screws 31. A transmission rod 34 is rotatably mounted between the two support columns 28, and second bevel gears 33 are fixedly mounted on both ends of the transmission rod 34. The two second bevel gears 33 are respectively meshed with the two first bevel gears 32, and a rotating handle 35 is fixedly mounted on the middle part of the transmission rod 34. The transmission rod 34 is rotated by rotating the handle 35, so that the two second bevel gears 33 drive the two first bevel gears 32 to rotate, so that the two lifting screws 31 rotate simultaneously, so that the two lifting columns 29 are respectively lifted and lowered on the two support columns 28 with the connecting plate 30, and the connecting plate 30 is lifted and lowered with the crushing box 1, so that the height of the loading barrel 22 can be adjusted for use.

[0027] Specifically, the inner walls of the two support columns 28 are fixedly installed with slide rails 36, and the lower ends of the two lifting columns 29 are fixedly installed with sliders 37. The sliders 37 are slidably installed in the slide rails 36. When the lifting columns 29 are lifted or lowered in the support columns 28, the sliders 37 slide in the slide rails 36 to enable the lifting columns 29 to be lifted or lowered smoothly.

[0028] The working principle of the utility model is as follows: the graphite fragments are poured into the crushing box 1 through the feeding funnel 2, the guide plate 5 makes the graphite fragments slide onto the first crushing wheel 3 and the second crushing wheel 4, the crushing motor 6 is turned on, the crushing motor 6 drives the first crushing wheel 3 to rotate, so that the first spur gear 7 drives the second spur gear 8 to rotate, so that the first crushing wheel 3 and the second crushing wheel 4 rotate simultaneously and in opposite directions, so that the graphite fragments pass through the crushing teeth between the first crushing wheel 3 and the second crushing wheel 4 to be crushed, and the graphite fragments will fall on the filter plate 9 after being crushed, and the filter plate 9 will be vibrated by the vibration motor 10, so that the smaller graphite fragments will fall into the guide bin 21 through the filter plate 9 and enter the feeding barrel 22 through the feeding pipe 23, while the larger graphite fragments will be retained on the filter plate 9, and the translation screw 12 is rotated by the rocking wheel 15 to make the scraper 14 move on the sliding rod 13, and the scraper 14 is moved to the right on the filter plate 9 to push the graphite fragments on the filter plate 9 into the crushing box 16, and when the second crushing wheel 4 rotates, the second The transmission wheel 19 on the rotating shaft of the crushing wheel 4 rotates, and at the same time, the transmission wheel 19 on the rotating shaft of the third crushing wheel 18 is driven by the transmission belt 20 to realize the rotation of the third transmission wheel 18, so that the graphite fragments are crushed through the crushing teeth between the third crushing wheel 18 and the inner wall plate 17, and the graphite fragments are crushed and fall into the guide bin 21 after crushing, and enter the loading barrel 22 through the feeding pipe 23. According to the height that needs to be adjusted for the loading barrel 22, the transmission rod 34 is rotated by rotating the handle 35, so that the two second bevel gears 33 drive the two first bevel gears 32 to rotate, so that the two lifting screws 31 rotate at the same time, so that the two lifting columns 29 are respectively lifted and lowered in the two supporting columns 28 with the connecting plate 30, and the connecting plate 30 is lifted and lowered with the crushing box 1, so that the height of the loading barrel 22 can be adjusted. After adjusting to the appropriate height, the feeding motor 25 is turned on to drive the feeding shaft 26, so that the feeding shaft 26 rotates with the spiral blades to transport the graphite fragments upward for feeding, and then discharged from the discharge pipe 24.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A production feeding device, comprising a crushing box (1), a crushing box (16) and a feeding assembly, characterized in that: The crushing box (16) is fixedly mounted on one side of the crushing box (1), and an opening is provided at the connection between the crushing box (1) and the crushing box (16). A feeding funnel (2) is fixedly mounted on the top of the crushing box (1). A first crushing wheel (3) and a second crushing wheel (4) are rotatably mounted on both sides of the crushing box (1). The first crushing wheel (3) and the second crushing wheel (4) are arranged parallel to each other and crushing teeth are fixedly mounted on the surface of both. The crushing teeth on the surface of the first crushing wheel (3) mesh with the crushing teeth on the surface of the second crushing wheel (4). Guide plates (5) are provided on the upper and lower sides of the first crushing wheel (3) and the second crushing wheel (4) in the crushing box (1). A filter plate (9) is fixedly mounted in the crushing box (1). A vibration motor (10) is provided at the lower end of the filter plate (9). A scraper for removing impurities from the filter plate (9) is provided above the filter plate (9). The crushing box (16) has inner wall plates (17) fixedly mounted on both sides thereof, and crushing teeth are fixedly mounted on the sides of the two inner wall plates (17) close to each other. A third crushing wheel (18) is rotatably mounted inside the crushing box (16), and crushing teeth are fixedly mounted on the surface of the third crushing wheel (18). A feeding port is provided at the lower ends of the crushing box (1) and the crushing box (16). A guide bin (21) is fixedly mounted at the lower ends of the crushing box (1) and the crushing box (16), and the crushing box (1) and the crushing box (16) are both communicated with the guide bin (21). A feed pipe (23) is fixedly connected to the bottom end of the guide bin (21), and the feeding assembly is obliquely fixedly connected to the bottom end of the feed pipe (23). A support seat (27) is provided below the crushing box (1), and a lifting assembly for lifting the crushing box (1) is provided at the upper end of the support seat (27).

2. A production feeding device according to claim 1, characterized in that: One end of the rotating shaft of the first crushing wheel (3) and the second crushing wheel (4) passes through the crushing box (1) and is connected to the outside, and a first spur gear (7) is fixedly installed on the rotating shaft of the first crushing wheel (3), and a second spur gear (8) is fixedly installed on the rotating shaft of the second crushing wheel (4), and the first spur gear (7) is meshed with the second spur gear (8). The front end of the rotating shaft of the third crushing wheel (18) passes through the crushing box (16) and extends to the outside of the crushing box (16), and a transmission wheel (19) is fixedly installed on the front end of the rotating shaft of the third crushing wheel (18) and the second crushing wheel (4), and the two transmission wheels (19) are connected by a transmission belt (20). A crushing motor (6) is fixedly installed on the rear side of the crushing box (1), and the output shaft of the crushing motor (6) is fixedly connected to the rear end of the rotating shaft of the first crushing wheel (3).

3. A production feeding device according to claim 1, characterized in that: The scraper assembly comprises a fixing frame (11) fixed on both sides of the crushing box (1), a translation screw (12) is rotatably installed in the fixing frame (11) on one side, and a slide bar (13) is fixedly installed in the fixing frame (11) on the other side. A scraper (14) is arranged between the fixing frames (11), and the lower end of the scraper (14) contacts the upper surface of the filter plate (9). One side of the scraper (14) is threadedly installed on the translation screw (12), and the other side is slidably installed on the slide bar (13). One end of the translation screw (12) passes through the side of the crushing box (1) and is fixedly connected to a rocker (15).

4. A production feeding device according to claim 1, characterized in that: The feeding assembly comprises a feeding cylinder (22), a discharge pipe (24) is fixedly installed near the lower right end of the feeding cylinder (22), a feeding shaft (26) is rotatably installed inside the feeding cylinder (22), a spiral blade is fixedly installed on the surface of the feeding shaft (26), a feeding motor (25) is fixedly installed at one end of the feeding cylinder (22), and the output shaft of the feeding motor (25) is fixedly connected to the feeding shaft (26).

5. A production feeding device according to claim 1, characterized in that: The lifting assembly comprises support columns (28) fixed on both sides of the support seat (27); a connecting plate (30) is fixedly installed on both sides of the front and rear sides near the lower end of the crushing box (1); a lifting screw (31) is rotatably installed on the inner wall of the lower end of the two support columns (28); a lifting column (29) is threadedly installed on the two lifting screws (31); the two lifting columns (29) are respectively fixedly connected to the two connecting plates (30); a first bevel gear (32) is fixedly installed on the rotating shaft at the lower end of the two lifting screws (31); a transmission rod (34) is rotatably installed between the two support columns (28); a second bevel gear (33) is fixedly installed at both ends of the transmission rod (34); the two second bevel gears (33) are respectively meshed with the two first bevel gears (32); and a rotating handle (35) is fixedly installed in the middle of the transmission rod (34).

6. A production feeding device according to claim 5, characterized in that: The inner walls of the two support columns (28) are fixedly mounted with a slide rail (36), and the lower ends of the two lifting columns (29) are fixedly mounted with a slide block (37), and the slide block (37) is slidably mounted in the slide rail (36).

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