Discharging rack of quick-freezing tunnel
By using a motor-driven sprocket and conveyor chain in conjunction with a hammer plate structure, the problem of adhesion and damage to quick-frozen products during unloading is solved, achieving efficient unloading and continuous operation of the production line.
Patent Information
- Application Number
- CN202511836997.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-08
- Publication Date
- 2026-01-16
AI Technical Summary
During the unloading process, frozen products tend to stick to the pallet or clump together, making it difficult for the unloading robot arm to separate them. This can damage the product structure and affect the continuous operation of the production line.
The material tray is circulated using a motor-driven sprocket and conveyor chain. Combined with the unloading robotic arm and impact plate structure, the impact plate is moved upward by the pushing component to strike the bottom of the material tray, creating a gap to facilitate unloading. The synchronous movement of the impact plate is driven by an electromagnet and a cylinder to enhance the impact range and separation effect.
This effectively reduces the possibility of frozen products being torn during unloading, ensures continuous operation of the production line, and improves unloading efficiency and separation effect.
Smart Images
Figure CN121341607A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of quick-frozen food processing technology, and in particular to a quick-frozen tunnel unloading frame. Background Technology
[0002] Quick-frozen products refer to foods produced using quick-freezing technology, where the core temperature of the product is lowered to below -18°C in a short period of time using freezing equipment. The core principle is to inhibit microbial growth and enzyme activity through rapid low-temperature treatment, thereby preserving the food's nutrition and flavor to the maximum extent.
[0003] After the quick-frozen products are rapidly cooled in the refrigeration tunnel, they are unloaded and transported by a chain in conjunction with a pallet. When they reach the designated position, the unloading robotic arm automatically picks up the quick-frozen products and removes them from the pallet.
[0004] However, during the quick-freezing process, quick-frozen products may stick to the tray or clump together. When the unloading robot arm picks up the quick-frozen products later, the products may be difficult to separate from the tray, or the shape and structure of the products may be damaged, which is a significant drawback. Summary of the Invention
[0005] In order to improve the unloading quality of quick-frozen products, this application provides a quick-frozen tunnel unloading frame.
[0006] The quick-freezing tunnel unloading frame provided in this application adopts the following technical solution: A quick-freezing tunnel unloading machine frame includes a frame placed on the ground. Multiple sprockets are rotatably mounted inside the frame, and a conveyor chain is mounted on the sprockets. A motor driven by the sprockets is arranged on the frame. Multiple material trays are arranged on the links of the conveyor chain along its circulation direction. An unloading robotic arm electrically connected to a control system is mounted above the frame relative to the material trays. A support plate is arranged below the frame relative to the material trays. A hammer plate is vertically raised and lowered on the support plate. A pusher assembly for driving the vertical raising and lowering movement of the hammer plate is also arranged on the support plate.
[0007] By adopting the above technical solution, the motor, in conjunction with the sprocket and the conveyor chain, realizes the cyclic operation of the material tray. During this process, the pushing component can push the pile hammer plate to move upward and impact the bottom of the material tray. Due to the impact, the frozen products will have a gap with the material tray. Then, the unloading robot arm picks up the frozen products to achieve unloading. This method can effectively reduce the possibility of the frozen products being torn during unloading and ensure the continuous operation of the production line.
[0008] Optionally, the pushing assembly includes an electromagnet arranged on the support plate, the electromagnet being electrically connected to the control system and magnetically attracted to the hammer plate, and a pushing spring supporting the bottom of the hammer plate and the support plate.
[0009] By adopting the above technical solution, when the electromagnet is energized, it is magnetically attracted to the hammer plate. When the electromagnet is de-energized, the magnetic attraction is released, and the push spring can then push the hammer plate upward to impact the material tray.
[0010] Optionally, multiple sets of impact hammers are arranged circumferentially around the vertical center line of the support plate. Each set of impact hammers has multiple sets arranged in a horizontal direction away from the vertical center line of the support plate. The pushing component drives the multiple impact hammers in each set to move in a horizontal direction away from the vertical center line of the support plate and to push the material tray upward in sequence.
[0011] By adopting the above technical solution, multiple impact hammers in the same group move along the direction away from the vertical center line of the bearing plate and impact the material tray in turn, thereby improving the comprehensiveness of the impact range of the impact hammers on the material tray and reducing the possibility that some frozen products may not completely separate from the material tray due to insufficient impact.
[0012] Optionally, the pushing assembly further includes a mounting plate arranged below the support plate. A cylinder electrically connected to the control system is arranged on the mounting plate. A mounting plate seat is arranged on the piston rod of the cylinder. Multiple connecting rods are circumferentially hinged to the mounting plate seat. A slider is hinged to the other end of the connecting rod relative to the mounting plate seat. A sliding groove is provided on the support plate for the slider to slide. Each set of hammer plates corresponds to one slider.
[0013] By adopting the above technical solution, the piston rod of the cylinder extends, and the connecting rod pushes the corresponding slider to slide on the support plate, and the slider can drive the corresponding hammer plate to move.
[0014] Optionally, the slider is provided with a mounting slot, each hammer plate includes a bearing plate, the bottom of the bearing plate is inserted into the mounting slot, the push spring is supported between the bearing plate and the mounting slot, and telescopic side plates are inserted into the opposite sides of the bearing plate, with a telescopic spring supporting the two opposite telescopic side plates.
[0015] By adopting the above technical solution, as the slider gradually moves away from the vertical center line of the support plate, under the action of the telescopic compression spring, the two telescopic side plates will gradually extend out of the support plate, further increasing the impact area on the material tray and improving the separation effect between the frozen products and the material tray.
[0016] Optionally, a limited push groove is provided on the slider, and a limited slide bracket rod that is magnetically attracted to the electromagnet is slidably fitted in the limited push groove. A release spring is provided between the limited slide bracket rod and the end of the limited push groove near the bearing plate, and the limited slide bracket rod extends above the corresponding hammer plate.
[0017] By adopting the above technical solution, as the slider gradually moves away from the vertical center line of the bearing plate, the magnetic attraction force of the electromagnet on the sliding frame rod gradually decreases. In this way, the limiting spring can push the sliding frame rod to slide, and the sliding frame rod can move away from the top of each hammer plate in the same group in sequence, so that the pushing spring can have sufficient elastic potential energy to push the corresponding hammer plate to hit the material tray.
[0018] Optionally, the frame is provided with a mobile platform that is electrically connected to the control system and moves reciprocally in a linear motion, and multiple sets of bearing plates are arranged on the mobile platform.
[0019] By adopting the above technical solution, the mobile platform can move synchronously with the loading pallet. During the synchronous movement, multiple sets of impact hammers on each load plate work together to impact the corresponding loading pallet. After completion, the mobile platform drives each load plate to move in the opposite direction to reset. In this way, the loading pallet can be separated from the frozen products during continuous movement, ensuring the unloading efficiency of the frozen products.
[0020] In summary, this application includes at least one of the following beneficial technical effects: 1. The motor, in conjunction with the sprocket and the conveyor chain, enables the cyclic operation of the material tray. During this process, the pushing component can push the pile hammer plate to move upward and impact the bottom of the material tray. Due to the impact, the frozen products will have a gap with the material tray. Then, the unloading robot arm will pick up the frozen products to unload them. This method can effectively reduce the possibility of the frozen products being torn during unloading and ensure the continuous operation of the production line. 2. Multiple impact hammers in the same group move along the vertical center line away from the support plate and strike the material tray intermittently in sequence. This improves the comprehensiveness of the impact range of the impact hammers on the material tray and reduces the possibility that some frozen products may not separate completely from the material tray due to insufficient impact. 3. As the slider gradually moves away from the vertical center line of the support plate, the magnetic attraction force of the electromagnet on the sliding frame rod gradually decreases. As a result, the limiting spring can push the sliding frame rod to slide, and the sliding frame rod can move away from the top of each hammer plate in the same group in sequence, so that the pushing spring can have sufficient elastic potential energy to push the corresponding hammer plate to hit the material tray. Attached Figure Description
[0021] Figure 1 This is a structural schematic diagram of an embodiment of this application.
[0022] Figure 2 This is a cross-sectional view showing the positional relationship between the cylinder, mounting plate, and bearing plate in an embodiment of this application.
[0023] Figure 3 This is a cross-sectional view of the impact hammer plate in an embodiment of this application.
[0024] Explanation of reference numerals in the attached drawings: 1. Frame; 2. Sprocket; 3. Conveyor chain; 4. Motor; 5. Material tray; 7. Bearing plate; 71. Slide groove; 8. Impact hammer plate; 81. Bearing middle plate; 82. Telescopic side plate; 83. Telescopic compression spring; 9. Electromagnet; 10. Push compression spring; 11. Mounting plate; 12. Cylinder; 13. Mounting base; 14. Connecting rod; 15. Slider; 151. Mounting slot; 152. Push limiting groove; 16. Slide limiting rod; 17. Release compression spring; 18. Moving platform. Detailed Implementation
[0025] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.
[0026] This application discloses a quick-freezing tunnel unloading frame.
[0027] Reference Figure 1 The quick-freezing tunnel unloading machine frame includes a frame 1 placed on the ground. Two sprockets 2 are mounted inside the frame 1. A conveyor chain 3 is mounted on both sprockets 2. A motor 4 that drives the sprockets 2 is also bolted to the frame 1. The motor 4 adopts the servo geared motor 4 in the prior art.
[0028] Reference Figure 1 Multiple material trays 5 are bolted to the links of the conveyor chain 3 along its circulation direction. The material trays 5 are used to carry quick-frozen products and achieve rapid freezing. Above the material trays 5 on the frame 1, an unloading robotic arm (not shown in the figure) electrically connected to the control system is also mounted. The unloading robotic arm directly adopts existing technology.
[0029] Reference Figure 1 and Figure 2 The frame 1 is equipped with a movable platform 18 positioned below the material tray 5. The movable platform 18 is electrically connected to the control system and reciprocates linearly. The movable platform 18 directly adopts existing technology, such as a trolley driven by a motor 4.
[0030] Reference Figure 1 and Figure 2 The mobile platform 18 is equipped with multiple sets of hammering mechanisms, each corresponding to a material tray 5. The mobile platform 18 can drive the multiple sets of hammering mechanisms to move synchronously with the material tray 5. During the synchronous movement, each hammering mechanism hammers the corresponding material tray 5. After the hammering is completed, the mobile platform 18 drives each hammering mechanism to move in the opposite direction to achieve reset.
[0031] Reference Figure 2 The hammering mechanism includes a support plate 7 located below the material tray 5 and a mounting plate 11 located below the support plate 7. A cylinder 12 electrically connected to the control system is bolted to the bottom of the mounting plate 11. The piston rod of the cylinder 12 passes through the mounting plate 11 and is threadedly connected to the mounting plate seat 13.
[0032] The mounting base 13 is circumferentially hinged with four connecting rods 14, and each connecting rod 14 is hinged to a slider 15 at the other end opposite to the mounting base 13. The support plate 7 has a sliding groove 71 for the sliders 15 to slide. When the piston rod of the cylinder 12 extends, the four sliders 15 move away from each other; when the piston rod of the cylinder 12 retracts, the four sliders 15 move towards the vertical center line of the support plate 7 simultaneously.
[0033] Reference Figure 2 Each slider 15 is equipped with multiple sets of hammer plates 8. Each set of hammer plates 8 is arranged in multiple directions along the horizontal direction away from the vertical center line of the bearing plate 7. The bearing plate 7 is also equipped with a push assembly for driving the vertical lifting and lowering movement of the hammer plates 8.
[0034] Since each set of impact hammer plates 8 contains multiple impact hammer plates, the pushing assembly can drive the multiple impact hammer plates 8 of each set to move horizontally away from the vertical center line of the bearing plate 7 and push them upwards in sequence against the material tray 5.
[0035] The pushing assembly includes an electromagnet 9 bolted to the bearing plate 7. The electromagnet 9 is located directly above the cylinder 12 and is electrically connected to the control system. The electromagnet 9 is magnetically attracted to the hammer plate 8.
[0036] Reference Figure 2 and Figure 3 Each of the sliders 15 and each corresponding hammer plate 8 has an installation slot 151. Each hammer plate 8 includes a bearing plate 81. The bottom of the bearing plate 81 is inserted into the installation slot 151. A push-compression spring 10 supports the bearing plate 81 and the bottom of the installation slot 151.
[0037] Telescopic side plates 82 are inserted and fitted on both opposite sides of the load-bearing middle plate 81, and telescopic compression springs 83 support the two opposite telescopic side plates 82.
[0038] Reference Figure 2 and Figure 3 A limited push groove 152 is provided on the slider 15. A limited slide rod 16 that is magnetically attracted to the electromagnet 9 is slidably fitted in the limited push groove 152. The limited slide rod 16 is L-shaped. A release spring 17 is provided between the limited slide rod 16 and the end of the limited push groove 152 near the bearing plate 7. One end of the limited slide rod 16 extends to the top of the corresponding hammer plate 8 and is set in a V-shape.
[0039] Reference Figure 2 and Figure 3 Before the hammering begins, the electromagnet 9 is energized, and at this time the sliding bracket rod 16 extends to the position above each corresponding hammer plate 8.
[0040] When the hammering begins, the slider 15 moves away from the vertical center line of the bearing plate 7, the magnetic attraction force of the electromagnet 9 on the hammer plate 8 decreases, and under the action of the push spring 10, it abuts against the sliding frame rod 16.
[0041] At the same time, as the sliding support rod 16 gradually moves away from the electromagnet 9, the magnetic attraction force of the electromagnet 9 on the sliding support rod 16 also gradually decreases. The release spring 17 pushes the release spring 17 to move in the opposite direction along the vertical center line away from the bearing plate 7, so that the sliding support rod 16 moves away from each hammer plate 8 in the same group in turn.
[0042] Reference Figure 2 and Figure 3 When the limited-slip rod 16 moves away from above the impact plate 8, the elastic potential energy of the bottom push spring 10 of the impact plate 8 will be released suddenly, thereby pushing the impact plate 8 to move upward and quickly impact the bottom of the loading tray 5. Under the impact, a gap is generated between the frozen products and the loading tray 5.
[0043] Reference Figure 1 Multiple impact hammers 8 in the same group strike the material tray 5 in sequence along the vertical center line away from the bearing plate 7, thereby ensuring the overall impact on the material tray 5 and reducing the possibility that some frozen products are less affected by the impact and do not separate from the material tray 5.
[0044] Reference Figure 2 and Figure 3 Furthermore, when the impact hammer plate 8 moves along a direction away from the vertical center line of the support plate 7, the two corresponding telescopic side plates 82 extend out of the support middle plate 81 under the action of the telescopic compression spring 83, thereby increasing the impact range of a single impact hammer plate 8 on the support tray and further improving the impact separation effect of quick-frozen products.
[0045] The implementation principle of a quick-freezing tunnel unloading frame in this application embodiment is as follows: When the hammering begins, the piston rod of the cylinder 12 extends, and the connecting rod 14 pushes the corresponding slider 15 to move along the direction away from the vertical center line of the bearing plate 7. The magnetic attraction force of the electromagnet 9 on the hammer plate 8 decreases, and under the action of the push-top pressure spring 10, it abuts against the sliding frame rod 16. Meanwhile, the two corresponding telescopic side plates 82 gradually extend out of the bearing middle plate 81 under the action of the telescopic pressure spring 83.
[0046] At the same time, as the sliding support rod 16 gradually moves away from the electromagnet 9, the magnetic attraction force of the electromagnet 9 on the sliding support rod 16 also gradually decreases. The release spring 17 pushes the release spring 17 to move in the opposite direction along the vertical center line away from the bearing plate 7, so that the sliding support rod 16 moves away from each hammer plate 8 in the same group in turn.
[0047] When the limited-slip rod 16 moves away from above the impact plate 8, the elastic potential energy of the bottom push spring 10 of the impact plate 8 will be released suddenly, thereby pushing the impact plate 8 to move upward and quickly impact the bottom of the loading tray 5. Under the impact, a gap is generated between the frozen products and the loading tray 5.
[0048] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A quick-frozen tunnel unloading rack, comprising a rack body (1) placed on the ground, a plurality of sprockets (2) are rotatably arranged in the rack body (1), a plurality of chain belts (3) are commonly sleeved on the plurality of sprockets (2), a motor (4) driven by the sprockets (2) is arranged on the rack body (1), a plurality of load trays (5) are arranged on the chain links of the chain belts (3) along the circulating direction of the chain links, and an unloading mechanical arm electrically connected to a control system is arranged above the load trays (5) relative to the rack body (1), characterized in that: The frame body (1) is arranged with a bearing plate (7) below the position of the material loading tray (5), a ram plate (8) is vertically lifted on the bearing plate (7), and a pushing assembly for driving the vertical lifting movement of the ram plate (8) is arranged on the bearing plate (7).
2. The quick freeze tunnel unloader rack of claim 1, wherein: The pushing assembly comprises an electromagnet (9) arranged on the bearing plate (7), the electromagnet (9) is electrically connected to the control system and magnetically attracted to the ram plate (8), and a pushing compression spring (10) is arranged between the bottom of the ram plate (8) and the bearing plate (7).
3. The quick freeze tunnel unloader rack of claim 2, wherein: The ram plate (8) is arranged circumferentially around the vertical center line of the bearing plate (7) in multiple groups, each group of ram plates (8) is arranged in multiple along the direction away from the vertical center line of the bearing plate (7), and the pushing assembly drives the multiple ram plates (8) in each group to move away from the vertical center line of the bearing plate (7) and sequentially upwardly push the material loading tray (5).
4. The quick-frozen tunnel unloader rack according to claim 3, characterized in that: The pushing assembly further comprises a mounting plate (11) arranged below the bearing plate (7), the mounting plate (11) is arranged with a cylinder (12) electrically connected to the control system, a mounting disc seat (13) is arranged on the piston rod of the cylinder (12), a plurality of connecting rods (14) are circumferentially hinged on the mounting disc seat (13), the other end of the connecting rod (14) relative to the mounting disc seat (13) is hinged with a sliding block (15), and the bearing plate (7) is provided with a sliding groove (71) for the sliding block (15) to slide, and each group of ram plates (8) corresponds to a sliding block (15).
5. The quick freeze tunnel unloader rack of claim 4, wherein: The sliding block (15) is provided with a mounting slot (151), each ram plate (8) comprises a bearing middle plate (81), the bottom of the bearing middle plate (81) is inserted and matched with the mounting slot (151), the pushing compression spring (10) is supported between the bearing middle plate (81) and the mounting slot (151), and the opposite sides of the bearing middle plate (81) are inserted and matched with the telescopic side plates (82), and the telescopic compression spring (83) is supported between the opposite two telescopic side plates (82).
6. The quick freeze tunnel unloader rack of claim 5, wherein: The sliding block (15) is provided with a limiting sliding groove (152), a limiting sliding frame rod (16) magnetically attracted to the electromagnet (9) is slidably matched in the limiting sliding groove (152), a limiting compression spring (17) is supported between the limiting sliding frame rod (16) and the end of the limiting sliding groove (152) close to the bearing plate (7), and the limiting sliding frame rod (16) extends above the corresponding ram plate (8).
7. The quick freeze tunnel unloader rack of claim 1, wherein: The frame body (1) is arranged with a moving platform (18) electrically connected to the control system and reciprocating linearly moving, and the bearing plate (7) is arranged with multiple groups on the moving platform (18).