A feeding device for a dry ice machine

Abstract

This utility model discloses a feeding device for a dry ice machine, relating to the field of dry ice production technology. It includes a base plate, a material frame assembly, and a feeding assembly. A vibrating motor is installed on the outer wall of the hopper, and a flexible wrapping layer connects the hopper and the material drop frame, preventing the vibration generated by the vibrating motor from being transmitted to the material drop frame. This avoids the vibration of the material drop frame affecting its adhesion stability with the feeding frame, ensuring the adhesion effect between the scraper and the feeding frame. An infrared transmitter on the movable frame works in conjunction with an infrared receiver on the base plate to monitor the position of the feeding frame in real time. When the feeding frame is in the material drop area, the infrared signal is activated, and the vibrating motor starts to assist in material drop. When the feeding frame moves out of the material drop area, the infrared signal is deactivated, and the vibrating motor stops, preventing ineffective vibration from causing dry ice particles to become compacted and clogged. This achieves coordinated control of the mechanism and improves feeding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of dry ice production technology, specifically to a feeding device for a dry ice machine. Background Technology

[0002] In the dry ice production and processing process, dry ice particles need to be transferred to the mold of the briquetting machine through a feeding device for pressing and shaping. The stability, feeding accuracy and adaptability of the feeding device to low-temperature environments directly affect production efficiency and product quality.

[0003] Currently, Chinese utility model patent CN214726739U discloses a dry ice pellet briquetting machine. It consists of a feeding cylinder, a feeding unit, a suspended funnel, and a vibrating unit. When material is fed into the suspended funnel, the vibrating unit starts, causing the suspended funnel to vibrate and preventing material jamming. When dry ice pellets enter the feeding unit from the suspended funnel, the feeding cylinder starts, supplying oil to the feeding unit. Under oil pressure, the feeding unit drives the dry ice pellets into the compression mold, achieving automatic feeding and reducing the workload of workers.

[0004] The aforementioned dry ice pellet briquetting machine uses a vibrating unit to vibrate the suspended hopper. While this can effectively prevent dry ice pellets from getting stuck, the vibration is easily transmitted to the feeding components, causing a decrease in the fit between the feeding and discharging components. This, in turn, affects the accuracy of the feeding quantity control. Furthermore, the machine cannot automatically control the start and stop of the vibrating unit. When the spreading unit moves out of the bottom of the suspended hopper, the continuous operation of the vibrating unit will cause the dry ice pellets to become compacted, thus affecting the subsequent discharging effect of dry ice pellets. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a feeding device for a dry ice machine, which solves the aforementioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solution: a feeding device for a dry ice machine, comprising a base plate, a material frame assembly and a feeding assembly, wherein the material frame assembly is installed on the top left side of the base plate, the material frame assembly is used to store dry ice particles and to add dry ice particles to the feeding assembly, and the feeding assembly is used to transfer the dry ice particles into the briquetting machine mold.

[0009] The material frame assembly includes a hopper, a vibrating motor, shock absorbers, a flexible wrapping layer, a discharge frame, a limiting frame, and a baffle. The vibrating motor is installed on the outer wall of the hopper. Shock absorbers are connected to both the front and rear ends of the hopper, and the bottom ends of the shock absorbers are connected to the base plate. A discharge frame is provided at the bottom of the hopper. The bottom end of the hopper and the discharge frame are connected by the flexible wrapping layer. The front and rear sides of the bottom end of the discharge frame are fixedly connected to the limiting frame. The bottom end of the limiting frame is fixedly connected to the base plate. The baffle is laterally slidably connected to the limiting frame.

[0010] Preferably, the feeding assembly includes a feeding frame, a movable frame, and a cylinder. The right end of the feeding frame is fixedly connected to the movable frame, and the right end of the movable frame is fixedly connected to the piston rod of the cylinder. The cylinder is fixed to the top right side of the base plate. The feeding frame is disposed within the limiting frame, and the top end of the movable frame is fixedly connected to the baffle.

[0011] Preferably, a scraper is fixed to the left end of the feeding frame, and the bottom end of the scraper is in contact with the feeding frame.

[0012] Preferably, the bottom of the movable frame is hollow, and an infrared transmitter is installed on the top surface of the movable frame. An infrared receiver is installed vertically on the bottom of the infrared transmitter, and the infrared receiver is installed on the base plate.

[0013] Preferably, the length and width of the bottom end of the base plate are the same as the length and width of the material drop frame, and the upper and lower sides of the inner wall of the flexible wrapping layer are respectively connected to the bottom end of the outer wall of the base plate and the top of the outer wall of the material drop frame.

[0014] Preferably, the left end of the baffle is inclined upward from left to right.

[0015] Preferably, the top of the material drop frame is inclined downwards from the outside to the inside.

[0016] (III) Beneficial Effects

[0017] This invention provides a feeding device for a dry ice machine. It offers the following advantages: A vibrating motor is installed on the outer wall of the hopper to prevent dry ice buildup and blockage. A flexible wrapping layer made of fluororubber connects the hopper and the feeding frame, its elastic properties allowing it to adapt to displacement caused by hopper vibration. This prevents the vibration from the motor from being transmitted to the feeding frame, thus avoiding any impact on the stability of the feeding frame's fit. Combined with shock absorbers at both ends of the hopper, the impact of vibration on the overall device is further reduced, ensuring a good fit between the scraper and the feeding frame, providing a foundation for precise scraping. An infrared transmitter on the movable frame works in conjunction with an infrared receiver on the base plate to monitor the feeding frame's position in real time. When the feeding frame is in the feeding area, the infrared signal is activated, and the vibrating motor starts to assist in feeding. When the feeding frame moves out of the feeding area, the infrared signal is deactivated, and the vibrating motor stops, preventing ineffective vibration from causing dry ice particles to become compacted and blockage. This achieves coordinated control of the mechanism, improving feeding efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the material frame assembly structure of this utility model;

[0020] Figure 3 This is a right view of the material frame assembly structure of this utility model;

[0021] Figure 4 This utility model Figure 3 A magnified view of a portion of area A;

[0022] Figure 5 This is a schematic diagram of the internal structure of the feeding component in this utility model;

[0023] Figure 6 This utility model Figure 5 Enlarged view of area B;

[0024] In the diagram: base plate-1, material frame assembly-2, feeding assembly-3, briquetting machine mold-4;

[0025] 21. Hopper-22. Vibration motor-23. Shock absorber-24. Flexible wrapping layer-25. Material drop frame-26. Limiting frame-27. Baffle-28. Scraper-28;

[0026] Feeding frame-31, movable frame-32, cylinder-33, infrared transmitter-34, infrared receiver-35. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-4 This utility model provides a feeding device technical solution for a dry ice machine: a feeding device for a dry ice machine includes a base plate 1, a material frame assembly 2 and a feeding assembly 3. The material frame assembly 2 is installed on the top left side of the base plate 1. The material frame assembly 2 is used to store dry ice particles and add dry ice particles to the feeding assembly 3. The feeding assembly 3 is used to transfer the dry ice particles into the briquetting mold 4.

[0029] The material frame assembly 2 includes a hopper 21, a vibrating motor 22, a shock absorber 23, a flexible wrapping layer 24, a dropping frame 25, a limiting frame 26, and a baffle 27. The vibrating motor 22 is installed on the outer wall of the hopper 21. The shock absorbers 23 are connected to both the front and rear ends of the hopper 21, and the bottom ends of the shock absorbers 23 are connected to the bottom plate 1. The dropping frame 25 is provided at the bottom of the hopper 21. The bottom end of the hopper 21 and the dropping frame 25 are connected by the flexible wrapping layer 24. The front and rear sides of the bottom end of the dropping frame 25 are fixedly connected to the limiting frame 26. The bottom end of the limiting frame 26 is fixedly connected to the bottom plate 1. The baffle 27 is laterally slidably connected to the limiting frame 26.

[0030] Four shock absorbers 23 are provided. The top of each of the four shock absorbers 23 is connected to the middle of the corner of the hopper 21, and the bottom of each of the four shock absorbers 23 is connected to the bottom plate 1. The shock absorbers 23 are provided to prevent the vibration generated by the vibrating motor 22 from being transmitted to the bottom plate 1.

[0031] The left end of the baffle 27 is inclined upward from left to right. The left end of the feeding frame 25 is fixed with a scraper 28, and the bottom end of the scraper 28 is attached to the feeding frame 31. When the feeding frame 31 moves to the left, the scraper 28 scrapes off the excess dry ice particles on the feeding frame 31. In conjunction with the inclined setting of the left side of the baffle 27, when the baffle 27 moves to the left in sync with the feeding frame 31, it closes the feeding frame 25. During the closing process, the dry ice particles above the feeding frame 31 are pushed upward, and the dry ice is stuck between the baffle 27 and the scraper 28.

[0032] The length and width of the bottom end of the base plate 1 are the same as the length and width of the dropping frame 25, and the upper and lower sides of the inner wall of the flexible wrapping layer 24 are connected to the bottom end of the outer wall of the base plate 1 and the top of the outer wall of the dropping frame 25, respectively.

[0033] The flexible wrapping layer 24 is made of fluororubber, which is resistant to low temperatures and suitable for low-temperature working environments. It has high elasticity, allowing displacement during hopper vibration, and good sealing to prevent dry ice particles from leaking. It also has good wear resistance and durability, making it suitable for long-term mechanical movement.

[0034] The flexible wrapping layer 24 connects the base plate 1 and the discharge frame 25, and wraps the connection to prevent dry ice particles from falling out between the base plate 1 and the discharge frame 25. The flexible wrapping layer 24 also effectively prevents the vibration generated by the vibrating motor 22 on the hopper 21 from being transmitted to the discharge frame 25, thereby preventing the vibration of the discharge frame 25 from affecting the fit between the discharge frame 25 and the scraper 28 and the feeding frame 31.

[0035] The top of the material drop frame 25 is inclined downward from the outside to the inside to prevent dry ice particles from accumulating on the upper edge of the material drop frame 25.

[0036] Please see Figure 5-6 The feeding assembly 3 includes a feeding frame 31, a movable frame 32, and a cylinder 33. The right end of the feeding frame 31 is fixedly connected to the movable frame 32, and the right end of the movable frame 32 is fixedly connected to the piston rod of the cylinder 33. The cylinder 33 is fixed to the top right side of the base plate 1. The feeding frame 31 is set inside the limiting frame 26, and the top end of the movable frame 32 is fixedly connected to the baffle 27.

[0037] The bottom of the movable frame 32 is hollow, and an infrared transmitter 34 is installed on the top surface of the movable frame 32. An infrared receiver 35 is vertically positioned at the bottom of the infrared transmitter 34 and is installed on the base plate 1.

[0038] The infrared receiver 35 is recessed on the base plate 1. A mounting hole is made on the base plate 1 to install the infrared receiver 35 in the mounting hole, so as to avoid the infrared receiver 35 protruding and affecting the movement of the movable frame 32.

[0039] When the feeding frame 31 is located at the bottom of the dropping frame 25, the infrared transmitter 34 and the infrared receiver 35 are vertically aligned, and the infrared receiver 35 receives the infrared light signal emitted by the infrared transmitter 34. When the feeding frame 31 moves to the left onto the briquetting mold 4, the movable frame 32 and the infrared transmitter 34 move synchronously, so that the infrared receiver 35 cannot receive the infrared light signal emitted by the infrared transmitter 34.

[0040] By checking whether the infrared receiver 35 receives the infrared light signal from the infrared transmitter 34, it can be determined whether the feeding frame 31 is located at the bottom of the dropping frame 25. When the infrared receiver 35 receives the infrared light signal emitted by the infrared transmitter 34, the vibration motor 22 is controlled to operate to ensure the dropping effect of dry ice particles in the hopper 21. When the infrared receiver 35 does not receive the infrared light signal emitted by the infrared transmitter 34, the operation of the vibration motor 22 is stopped to prevent the vibration motor 22 from operating when the baffle 27 closes the bottom of the dropping frame 25, which would cause the dry ice particles to become compacted and affect the dropping effect of the dry ice particles.

[0041] Infrared receiver 35 and infrared transmitter 34 are mature existing technologies. Infrared transmitter 34 is used to convert electrical signals into infrared light signals and transmit them. Infrared receiver 35 receives the infrared light signals from infrared transmitter 34 and converts them back into the original electrical signals.

[0042] When in use, dry ice pellets are placed in the hopper 21. By controlling the cylinder 33 to retract, the feeding frame 31, the movable frame 32, the baffle 27 and the infrared transmitter 34 are moved to the right. When the feeding frame 31 moves to the bottom of the dropping frame 25, the infrared receiver 35 receives the infrared light signal emitted by the infrared transmitter 34. At this time, the vibration motor 22 is controlled to operate, which vibrates the hopper 21 and the dry ice pellets, increasing the dropping effect of the dry ice pellets. The dry ice pellets fall into the feeding frame 31.

[0043] By controlling the extension of the cylinder 33, the feeding frame 31, the movable frame 32, the baffle 27 and the infrared transmitter 34 are moved to the left. Because the infrared transmitter 34 is displaced, the infrared receiver 35 cannot receive the infrared light signal emitted by the infrared transmitter 34, and the operation of the vibration motor 22 is stopped.

[0044] The lower mold of the briquetting machine mold 4 moves up to be on the same plane as the briquetting machine mold 4. The feeding frame 31 drives the dry ice inside to move onto the briquetting machine mold 4. By controlling the lower mold of the briquetting machine mold 4 to move down, the dry ice falls into the groove of the briquetting machine mold 4. Then, the cylinder 33 is controlled to retract, and the dry ice is pressed and molded by the briquetting machine mold 4.

[0045] The cylinder 33 retracts, causing the feeding frame 31, movable frame 32, baffle 27 and infrared transmitter 34 to move to the right, so as to carry out the next feeding operation.

[0046] The wiring diagram of the power components and the supply of power in this utility model are common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and wiring layout will not be explained in detail.

[0047] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0048] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A feeder device for a dry ice machine, characterized by: Includes a base plate (1), a material frame assembly (2) and a feeding assembly (3). The material frame assembly (2) is installed on the top left side of the base plate (1). The material frame assembly (2) is used to store dry ice particles and to add dry ice particles to the feeding assembly (3). The feeding assembly (3) is used to transfer the dry ice particles into the briquetting mold (4). The material frame assembly (2) includes a hopper (21), a vibration motor (22), a shock absorber (23), a flexible wrapping layer (24), a dropping frame (25), a limiting frame (26), and a baffle (27). The outer wall of the hopper (21) is equipped with a vibration motor (22). Both the front and rear ends of the hopper (21) are connected to shock absorbers (23), and the bottom end of the shock absorber (23) is connected to the bottom plate (1). The bottom of the hopper (21) is provided with a dropping frame (25). The bottom end of the hopper (21) and the dropping frame (25) are connected by a flexible wrapping layer (24). The front and rear sides of the bottom end of the dropping frame (25) are fixedly connected to the limiting frame (26). The bottom end of the limiting frame (26) is fixedly connected to the bottom plate (1). The baffle (27) is slidably connected to the limiting frame (26).

2. A feed device for a dry ice machine as defined in claim 1, characterized in that The feeding assembly (3) includes a feeding frame (31), a movable frame (32), and a cylinder (33). The right end of the feeding frame (31) is fixedly connected to the movable frame (32), and the right end of the movable frame (32) is fixedly connected to the piston rod of the cylinder (33). The cylinder (33) is fixed to the top right side of the base plate (1). The feeding frame (31) is set inside the limiting frame (26), and the top end of the movable frame (32) is fixedly connected to the baffle (27).

3. A feed device for a dry ice machine as defined in claim 1, wherein: The left end of the material dropping frame (25) is fixed with a scraper (28), and the bottom end of the scraper (28) is attached to the feeding frame (31).

4. A feed device for a dry ice machine as defined in claim 2, wherein: The bottom of the movable frame (32) is hollow, and an infrared transmitter (34) is installed on the top surface of the movable frame (32). An infrared receiver (35) is installed vertically on the bottom of the infrared transmitter (34). The infrared receiver (35) is installed on the base plate (1).

5. A feed device for a dry ice machine as defined in claim 1, wherein: The length and width of the bottom end of the base plate (1) are consistent with the length and width of the dropping frame (25), and the upper and lower sides of the inner wall of the flexible wrapping layer (24) are respectively connected to the bottom end of the outer wall of the base plate (1) and the top of the outer wall of the dropping frame (25).

6. A feed device for a dry ice machine as defined in claim 1, wherein: The left end of the baffle (27) is inclined upward from left to right.

7. A feed device for a dry ice machine as defined in claim 1, wherein: The top of the material drop frame (25) is inclined downward from the outside to the inside.

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