Reloading mechanism applied to central feeding system

Abstract

The utility model discloses a material changing mechanism applied to a central feeding system, which relates to the technical field of feeding equipment and comprises a mounting frame, transmission material changing components are movably connected to the left and right parts of the inner wall of the mounting frame, and automatic lifting and closing components are fixedly mounted at the left and right positions of the top of the front side of the mounting frame. According to the material changing mechanism applied to the central material supply system, the multiple material supply frames can be subjected to circulating transmission material changing through the transmission material changing assembly, the material supply frames are detachable, and it can be guaranteed that maintenance is conducted in time after the material supply frames are damaged. By means of the structure, materials can be cyclically replaced by the multiple material supply frames, space is saved, and meanwhile the multiple material supply frames can be used for a long time and have replaceability. Through the automatic lifting and closing assembly, the feeding frame can be automatically opened for discharging in the transmission process of the conveying belt, the feeding frame can be automatically closed after being full, it is ensured that materials are filled or stored at the right time, the situation that the whole mechanism needs to be closed when the feeding frame is used for feeding is avoided, and the material changing efficiency of the mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding equipment, in particular to a material changing mechanism applied to a central feeding system. Background Art

[0002] Designed for the production of plastic products in injection molding workshops, the central feeding system enables uninterrupted, unmanned continuous molding operations. It can adjust the raw material type and the combination of multiple colors as needed, automating the coloring process. The central feeding system uses a "one machine, one pipe" design to deliver materials to each piece of production equipment. To change materials, the equipment must first be stopped, the material inside the feeding barrel removed, and then the material in the central feeding system must be replaced before restarting production. This process is relatively inconvenient, necessitating a material change mechanism for the central feeding system to address these issues.

[0003] Chinese patent document CN220576481U discloses a material replacement mechanism for a central feeding system, which has four sets of connecting plates evenly installed on the outside of the mounting column, and the ends of the connecting plates away from the mounting column are each installed with a preparation feeding barrel, the bottom of each of the preparation feeding barrels is installed with a solenoid valve, one end of the top of the mounting base is provided with a discharge port, and the end of the top of the mounting base away from the discharge port is installed with a fixed plate. The utility model is equipped with a preparation feeding barrel, and multiple sets of preparation feeding barrels store different materials inside. When the material needs to be replaced, there is no need to replace the material in the central feeding system. It is only necessary to move the preparation feeding barrel containing the corresponding material to the discharge port position to discharge the material.

[0004] The existing technology has the following problems:

[0005] In the above-mentioned device, four sets of material preparation barrels are rotated to change materials. While this allows for easy adjustment, it requires a certain amount of space for the barrels and connecting plates to rotate, which is a limitation. Furthermore, the four barrels in the above-mentioned device cannot be quickly separated from their corresponding connecting plates, making rapid maintenance impossible if damaged, thus reducing practicality. Furthermore, when adding material to the four barrels, the above-mentioned device requires the lids of the four barrels to be opened one by one and then closed again after adding the material, which can easily prolong processing time and reduce processing efficiency. Utility Model Content

[0006] The utility model provides a material changing mechanism applied to a central feeding system to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0008] A material changing mechanism for a central feeding system includes a mounting frame, a feeding pipe that can be opened and closed automatically is fixedly mounted in the middle of the front upper end of the mounting frame, a transmission material changing assembly is movably connected to the left and right sides of the inner wall of the mounting frame, and an automatic lifting and closing assembly is fixedly mounted on the left and right sides of the top front side of the mounting frame;

[0009] The transmission material changing assembly includes two rotating rollers, the upper and lower ends of the two rotating rollers are rotatably connected to the left and right positions of the upper and lower parts of the inner wall of the mounting frame, the top of the outer wall of the rotating roller located on the right part passes through the top of the mounting frame and is movably connected with a driving rotating mechanism, the middle parts of the outer walls of the two rotating rollers are fixedly sleeved with a toothed sleeve, and the outer surfaces of the two toothed sleeves are transmission-connected with a transmission belt, the outer peripheral surface of the transmission belt is fixedly installed with a plurality of fixed plates, and a plurality of fixed plates are provided with a slide groove on the side away from the outer peripheral surface of the transmission belt, the inner walls of the plurality of slide grooves are slidably connected to the feeding frame, and the adjacent surfaces of the tops of the plurality of feeding frames are slidably connected to the insertion rods, and the plurality of fixed plates are provided with two fixing holes that match the plurality of insertion rods on the side away from the outer peripheral surface of the transmission belt, and the two adjacent fixing holes are located on both sides of the corresponding slide groove;

[0010] The automatic lifting and closing assembly includes several rotating shafts, several ends of the rotating shafts are rotatably connected to the top of the inner wall of several feeding frames, several ends of the rotating shafts away from the outer circumference of the conveyor belt pass through the side of several feeding frames away from the outer circumference of the conveyor belt and are fixedly sleeved with gears, and the middle parts of the outer walls of several rotating shafts are fixedly sleeved with sealing covers, the front left part of the mounting frame is fixedly installed with an upper support rod, the lower end of the upper support rod is fixedly installed with an opening rack, the front right part of the mounting frame is fixedly installed with a lower support rod, the upper end of the lower support rod is fixedly installed with a closing rack, the lower end of the opening rack and the upper end of the closing rack are meshed with the outer surfaces of several gears.

[0011] Preferably, a solenoid valve is fixedly installed on the bottom of the inner cavity of several of the feeding frames.

[0012] Preferably, the driving rotation mechanism includes gear 1, the inner wall of gear 1 is fixedly connected to the top of the outer wall of the right rotating roller, a motor is fixedly installed at the front position of the upper right part of the mounting frame, and the output end of the motor is fixedly sleeved with gear 2, and the outer surface of gear 2 is meshed with the outer surface of gear 1.

[0013] Preferably, a pull plate is fixedly installed on one end of several adjacent insertion rods away from the outer circumference of the conveyor belt, and the side of several pull plates away from the outer circumference of the conveyor belt overlaps with the side of several feeding frames away from the outer circumference of the conveyor belt.

[0014] Preferably, an elastic member is movably sleeved on one side of the outer wall of several of the insertion rods away from the outer peripheral surface of the conveyor belt.

[0015] Preferably, the upper support rod is an L-shaped structure, and the lower support rod is a door-shaped structure.

[0016] Preferably, the inner wall of the conveyor belt is provided with a plurality of tooth grooves matching the two tooth sleeves.

[0017] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0018] 1. The present invention provides a material change mechanism for a central feeding system. The mechanism allows for the circulation and material change of multiple feeding frames through the coordination of rotating rollers, a drive rotating mechanism, a rack sleeve, a conveyor belt, a fixed plate, a feeding frame, a plug rod, a solenoid valve, a pull plate, and an elastic member. Furthermore, the feeding frame is removable, ensuring timely maintenance after damage. When the feeding frame is in motion, the motor drives Gear 2 to rotate. Gear 2 engages with Gear 1, driving the right rotating roller to rotate, thereby driving the entire conveyor belt. The conveyor belt circulates around the two rotating rollers, allowing the feeding frames on it to continuously reach the material change position and below the feeding pipe, thereby enabling the material change mechanism to achieve uninterrupted feeding. Furthermore, if one of the feeding frames requires maintenance, the pull plate is pulled, which drives the two plug rods to move away from the conveyor belt, thereby separating the two plug rods from the corresponding fixing holes. The corresponding feeding frame can then be removed by sliding it upward. The above structure allows for the circulation and material change of multiple feeding frames, saving space. At the same time, multiple feeding frames can be used for a long time and are replaceable.

[0019] 2. The present invention provides a material changing mechanism for a central feeding system. The mechanism can automatically open the feeding frame to unload materials during the transmission of the conveyor belt through the cooperation among the rotating shaft, gears, upper support rod, opening rack, lower support rod and closing rack. The feeding frame can be automatically closed after it is full. As the conveyor belt moves, the opening rack and the closing rack are meshed with the gears on the feeding frame in turn. When the feeding frame moves to a specific position, the opening rack or the closing rack will drive the gear to rotate, and then drive the rotating shaft to rotate, thereby realizing the opening or closing of the feeding frame. When the feeding frame approaches the feeding tube, the cover will automatically open, and when it leaves the feeding tube, the cover will automatically close, ensuring that the material is poured in or stored at the right time, avoiding the need to close the entire mechanism when the feeding frame is fed, and improving the efficiency of the mechanism's material changing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the overall rear view structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the transmission material changing assembly structure of the utility model (I);

[0023] Figure 4 This is a schematic diagram of the structure of the transmission material changing component of the utility model (II);

[0024] Figure 5 This is a schematic diagram of the automatic opening and closing component structure of the utility model.

[0025] In the figure: 1. Installation frame; 2. Transmission material changing assembly; 3. Automatic lifting and closing assembly; 21. Rotating roller; 22. Driving rotation mechanism; 23. Gear sleeve; 24. Conveyor belt; 25. Fixed plate; 26. Slide; 27. Feed frame; 28. Insert rod; 29. ​​Fixing hole; 210. Solenoid valve; 211. Pull plate; 212. Elastic part; 221. Gear 1; 222. Motor; 223. Gear 2; 31. Rotating shaft; 32. Gear; 33. Upper support rod; 34. Open rack; 35. Lower support rod; 36. Close rack. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1-Figure 5 As shown, a material change mechanism for a central feeding system includes a mounting frame 1, a feeding pipe that can be opened and closed automatically is fixedly installed in the middle position of the upper front end of the mounting frame 1, a transmission material change assembly 2 is movably connected to the left and right parts of the inner wall of the mounting frame 1, and an automatic lifting assembly 3 is fixedly installed in the left and right positions of the top of the front side of the mounting frame 1;

[0028] The transmission and material changing assembly 2 includes two rotating rollers 21, the upper and lower ends of the two rotating rollers 21 are rotatably connected to the left and right positions of the upper and lower parts of the inner wall of the mounting frame 1, the top of the outer wall of the right rotating roller 21 passes through the top of the mounting frame 1 and is movably connected with a driving rotating mechanism 22, the middle parts of the outer walls of the two rotating rollers 21 are fixedly sleeved with toothed sleeves 23, the outer surfaces of the two toothed sleeves 23 are transmission-connected with a conveyor belt 24, a plurality of fixed plates 25 are fixedly installed on the outer peripheral surface of the conveyor belt 24, a plurality of fixed plates 25 are provided with a slide groove 26 on the side away from the outer peripheral surface of the conveyor belt 24, the inner walls of the plurality of slide grooves 26 are slidably connected to a feeding frame 27, the adjacent surfaces of the tops of the plurality of feeding frames 27 are slidably connected to an insertion rod 28, and a plurality of fixed plates 25 are provided with two fixing holes 29 matching the plurality of insertion rods 28 on the side away from the outer peripheral surface of the conveyor belt 24, and two adjacent fixing holes 29 are located on both sides of the corresponding slide groove 26;

[0029] The automatic lifting and closing assembly 3 includes several rotating shafts 31, both ends of which are rotatably connected to the top of the inner wall of several feeding frames 27, and one end of several rotating shafts 31 away from the outer circumference of the conveyor belt 24 passes through the side of several feeding frames 27 away from the outer circumference of the conveyor belt 24 and is fixedly sleeved with a gear 32. The middle part of the outer wall of several rotating shafts 31 is fixedly sleeved with a cover, and an upper support rod 33 is fixedly installed on the front left side of the installation frame 1, and an opening rack 34 is fixedly installed on the lower end of the upper support rod 33. A lower support rod 35 is fixedly installed on the front right side of the installation frame 1, and a closing rack 36 is fixedly installed on the upper end of the lower support rod 35. The lower end of the opening rack 34 and the upper end of the closing rack 36 are meshed with the outer surfaces of several gears 32.

[0030] Through the transmission and refueling assembly 2, multiple feed frames 27 can be circulated and refueled, and the feed frames 27 are detachable, which can ensure timely maintenance after damage. When the feed frame 27 is in motion, the motor 222 drives the gear 2 223 to rotate, and the gear 2 223 engages with the gear 1 221, driving the right rotating roller 21 to rotate, thereby driving the entire conveyor belt 24 to move. The conveyor belt 24 circulates around the two rotating rollers 21, so that the feed frames 27 on it continuously reach the material refueling position and the bottom of the feeding pipe, thereby enabling the refueling mechanism to achieve uninterrupted feeding. Secondly, if one of the feed frames 27 needs maintenance, the pull plate 211 is pulled, which drives the two insertion rods 28 to move in the direction away from the conveyor belt 24, thereby separating the two insertion rods 28 from the corresponding fixing holes 29, and sliding the corresponding feed frame 27 upwards can remove it. The above structure allows multiple feed frames 27 to circulate and refuel, and saves space. At the same time, multiple feed frames 27 can be used for a long time and are replaceable. The automatic opening and closing assembly 3 can automatically open the feed frame 27 to unload materials during the transmission process of the conveyor belt 24, and automatically close the feed frame 27 when it is full. As the conveyor belt 24 moves, the opening rack 34 and the closing rack 36 engage with the gear 32 on the feed frame 27 in sequence. When the feed frame 27 moves to a specific position, the opening rack 34 or the closing rack 36 will drive the gear 32 to rotate, and then drive the rotation shaft 31 to rotate, thereby realizing the opening or closing of the feed frame 27, so that the feed frame 27 automatically opens the cover when it approaches the feeding tube, and automatically closes the cover when it leaves the feeding tube, ensuring that the material is poured or stored at the right time, avoiding the need to shut down the entire mechanism when the feed frame 27 is fed, and improving the efficiency of the mechanism's material replacement.

[0031] like Figure 3 As shown, a solenoid valve 210 is fixedly installed at the bottom of the inner cavity of several feeding frames 27.

[0032] Solenoid valve 210 controls the outflow of material, enabling precise feeding. When the feed frame 27 moves with the conveyor belt 24 to the rear of the mounting frame 1, it automatically unloads material. Sensors installed in the central feeding system wirelessly communicate with the solenoid valve 210, controlling its opening and closing.

[0033] like Figure 3 As shown, the driving rotation mechanism 22 includes a gear 1 221, the inner wall of the gear 1 221 is fixedly connected to the top of the outer wall of the right rotating roller 21, and a motor 222 is fixedly installed at the front position of the upper right part of the mounting frame 1. The output end of the motor 222 is fixedly sleeved with a gear 2 223, and the outer surface of the gear 2 223 is meshed with the outer surface of the gear 1 221.

[0034] The output end of the motor 222 drives the second gear 223 to rotate, and the second gear 223 meshes with the first gear 221 to drive the right rotating roller 21 to rotate, thereby driving the entire conveyor belt 24 to move. The conveyor belt 24 circulates around the two rotating rollers 21.

[0035] like Figure 4 As shown, a pull plate 211 is fixedly installed on one end of several adjacent insertion rods 28 away from the outer circumference of the conveyor belt 24, and the side of several pull plates 211 away from the outer circumference of the conveyor belt 24 overlaps with the side of several feeding frames 27 away from the outer circumference of the conveyor belt 24.

[0036] The pulling plate 211 is used to pull multiple insertion rods 28 at the same time, so as to facilitate the fixing and releasing of the feeding frame 27 .

[0037] like Figure 4 As shown, the outer walls of the plurality of inserting rods 28 away from the outer circumference of the conveyor belt 24 are all movably sleeved with elastic members 212 .

[0038] The elastic member 212 is a spring, and its elastic restoring force enables the insertion rod 28 to be more easily pulled out from the fixing hole 29 when needed, thereby facilitating the disassembly, assembly and replacement of the feeding frame 27.

[0039] like Figure 5 As shown, the upper support rod 33 is an L-shaped structure, and the lower support rod 35 is a door-shaped structure.

[0040] The shape design of the upper support rod 33 and the lower support rod 35 can ensure that the opening rack 34 and the closing rack 36 are respectively located above and below the gear 32.

[0041] like Figure 5 As shown, the inner wall of the transmission belt 24 is provided with a plurality of tooth grooves matching the two tooth sleeves 23 .

[0042] Matching with the tooth sleeve 23 on the rotating roller 21 can prevent the transmission belt 24 from slipping.

[0043] The working principle of the present invention is as follows: the motor 222 drives the gear 2 223 to rotate, the gear 223 is engaged with the gear 1 221, driving the right rotating roller 21 to rotate, and then driving the entire conveyor belt 24 to move, and the conveyor belt 24 circulates around the two rotating rollers 21, so that the feeding frame 27 thereon continuously reaches the material replacement position and the bottom of the feeding pipe. When the feeding frame 27 reaches the specified position at the rear of the installation frame 1, the solenoid valve 210 opens the feeding frame 27 to unload the material through the command of the central feeding system. When the feeding frame 27 is located in front of the mounting frame 1 and moves to the right close to the feeding pipe, opening the rack 34 will drive the gear 32 to rotate counterclockwise, thereby driving the rotating shaft 31 to rotate, and then the rotating shaft 31 will open the cover counterclockwise. When the feeding frame 27 reaches directly below the feeding pipe, the motor 222 stops, and the feeding pipe feeds the feeding frame 27. After the material is full, the motor 222 continues to start. When the feeding frame 27 is located in front of the mounting frame 1 and moves to the right away from the feeding pipe, closing the rack 36 will drive the gear 32 to rotate clockwise, thereby causing the rotating shaft 31 to rotate again, and the two rotation directions are opposite, thereby causing the rotating shaft 31 to close the cover clockwise, and the conveyor belt 24 continues to transport the filled feeding frame 27 to the designated position.

[0044] If one of the feed frames 27 needs maintenance, pull the pull plate 211, which drives the two insertion rods 28 to move away from the conveyor belt 24, thereby separating the two insertion rods 28 from the corresponding fixing holes 29, and slide the corresponding feed frame 27 upward to remove it.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A material changing mechanism for a central feeding system, comprising a mounting frame (1), characterized in that: A feeding pipe that can be opened and closed automatically is fixedly installed in the middle position of the front upper end of the installation frame (1); a transmission material changing assembly (2) is movably connected to the left and right parts of the inner wall of the installation frame (1); and an automatic lifting assembly (3) is fixedly installed at the left and right positions of the top of the front side of the installation frame (1); The transmission material changing assembly (2) comprises two rotating rollers (21), the upper and lower ends of the two rotating rollers (21) are rotatably connected to the left and right positions of the upper and lower parts of the inner wall of the installation frame (1), the top of the outer wall of the rotating roller (21) located on the right part passes through the top of the installation frame (1) and is movably connected to the driving rotation mechanism (22), the middle part of the outer wall of the two rotating rollers (21) is fixedly sleeved with a toothed sleeve (23), the outer surface of the two toothed sleeves (23) is transmission-connected with a transmission belt (24), and the outer peripheral surface of the transmission belt (24) is fixedly installed with a plurality of A fixed plate (25), a plurality of the fixed plates (25) are provided with a slide groove (26) on one side away from the outer peripheral surface of the conveyor belt (24), the inner walls of the plurality of the slide grooves (26) are slidably connected to a feed frame (27), the adjacent surfaces of the tops of the plurality of the feed frames (27) are slidably connected to an insertion rod (28), and a plurality of the fixed plates (25) are provided with two fixing holes (29) matching the plurality of insertion rods (28) on one side away from the outer peripheral surface of the conveyor belt (24), and the two adjacent fixing holes (29) are located on both sides of the corresponding slide groove (26); The automatic lifting and closing assembly (3) comprises a plurality of rotating shafts (31), the two ends of the plurality of rotating shafts (31) are rotatably connected to the top of the inner wall of the plurality of feeding frames (27), the ends of the plurality of rotating shafts (31) away from the outer peripheral surface of the conveyor belt (24) pass through the side of the plurality of feeding frames (27) away from the outer peripheral surface of the conveyor belt (24) and are fixedly sleeved with a gear (32), and the middle parts of the outer walls of the plurality of rotating shafts (31) are fixedly sleeved with a cover, the front left part of the installation frame (1) is fixedly installed with an upper support rod (33), the lower end of the upper support rod (33) is fixedly installed with an opening rack (34), the front right part of the installation frame (1) is fixedly installed with a lower support rod (35), the upper end of the lower support rod (35) is fixedly installed with a closing rack (36), the lower end of the opening rack (34) and the upper end of the closing rack (36) are meshed with the outer surfaces of the plurality of gears (32).

2. The material changing mechanism used in a central feeding system according to claim 1, characterized in that: A solenoid valve (210) is fixedly installed on the bottom of the inner cavity of each of the plurality of feeding frames (27).

3. The material changing mechanism used in a central feeding system according to claim 1, characterized in that: The driving rotation mechanism (22) comprises a gear 1 (221), the inner wall of the gear 1 (221) is fixedly connected to the top of the outer wall of the right rotating roller (21), a motor (222) is fixedly installed at the front position of the right upper end of the installation frame (1), the output end of the motor (222) is fixedly sleeved with a gear 2 (223), and the outer surface of the gear 2 (223) is meshed with the outer surface of the gear 1 (221).

4. The material changing mechanism used in a central feeding system according to claim 1, characterized in that: A pull plate (211) is fixedly mounted on one end of a plurality of adjacent insertion rods (28) away from the outer peripheral surface of the conveyor belt (24), and a side of the plurality of pull plates (211) away from the outer peripheral surface of the conveyor belt (24) overlaps with a side of the plurality of feeding frames (27) away from the outer peripheral surface of the conveyor belt (24).

5. The material changing mechanism used in a central feeding system according to claim 4, characterized in that: The outer walls of a plurality of the inserting rods (28) are movably sleeved with elastic members (212) on one side away from the outer peripheral surface of the conveyor belt (24).

6. The material changing mechanism used in a central feeding system according to claim 1, characterized in that: The upper support rod (33) is an L-shaped structure, and the lower support rod (35) is a door-shaped structure.

7. The material changing mechanism used in a central feeding system according to claim 1, characterized in that: The inner wall of the transmission belt (24) is provided with a plurality of tooth grooves matching the two tooth sleeves (23).

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