Gravity combined shelf

Abstract

The utility model discloses a gravity type combined goods shelf relates to goods shelf conveying equipment technical field, including base bar, combined assembling unit and conveying auxiliary unit. The utility model has reliable combined assembling unit, can add the layer of frame body according to demand, and has the adjustment function to the inclination of drum line, makes goods shelf more practical, and with reliable conveying auxiliary unit, the speed of mutual cooperation of deceleration drum and damper can effectively control the glide of goods, and telescopic short link makes the left and right sides guide frame can adjust the interval to adapt to the goods of different width, and the zigzag structure of guide frame oblique upper end can be convenient for goods to draw into between guide frame, and the spring of telescopic short link outside can make the guide frame of both sides to goods always have a clamping force, and further make the goods that slide down can always keep in the middle.

Description

Technical Field

[0001] This utility model relates to the field of shelving conveying equipment technology, specifically a gravity-type combined shelving. Background Technology

[0002] Gravity flow racks are a high-density storage system that utilizes the weight of goods to achieve automatic sliding. Their inclined roller design supports first-in, first-out (FIFO) flow of palletized goods, making them suitable for efficient warehousing of large quantities of low-variety goods (such as cold chain food and automotive parts). This racking system can save over 50% of aisle space, increase warehouse capacity to 85%, and reduce forklift operations, offering the advantages of both high-density storage and low-cost operation.

[0003] Existing gravity flow racks have a relatively fixed structure, making it impossible to expand the number of layers through combination. Furthermore, the tilt angle of the roller conveyor is fixed and cannot be calibrated or adjusted. In addition, there is a lack of a mechanism to help center the goods. When the placed goods are tilted, the path of the goods during transportation may be skewed to the sides and collide with the sides of the rack. To address this, we propose a gravity flow combination rack. Utility Model Content

[0004] The technical problem this utility model aims to solve is to overcome the existing defects and provide a gravity-flow modular shelving unit with reliable assembly units. It allows for the addition of more shelves as needed and features adjustable roller tilt angles, making the shelving more practical. Furthermore, it has a reliable conveying auxiliary unit; the deceleration rollers and dampers work together to effectively control the downward speed of goods. The folded structure at the upper inclined end of the guide frame facilitates the sliding of goods between the guide frames. Springs fitted on the outside of the telescopic short rods ensure that the guide frames on both sides always exert a clamping force on the goods, thus keeping the sliding goods centered. This effectively solves the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gravity-type modular shelving unit, comprising a base rod, a modular assembly unit, and a conveying auxiliary unit;

[0006] Base rod: It is composed of multiple layers, each layer consisting of two parallel longitudinal rods on the left and right, and a transverse connecting rod is inserted between the two rods. The connecting rod is fixedly connected to the base rod by bolts.

[0007] The modular assembly unit includes connecting sleeves, vertical columns, side frame roller lines, connecting shafts, hydraulic cylinders, and support rods. A square connecting sleeve is fixedly connected to the middle section of each base rod. The upper and lower ends of the vertical columns are inserted into the two corresponding vertical connecting sleeves. An inclined roller line is set between the two left and right vertical columns. The roller line consists of a row of rollers in a linear array, and the two ends of the rollers are rotatably connected to the inside of the side frame. A connecting shaft is fixedly connected to the middle of the outer side of the side frame. The connecting shaft is perpendicular to the outer end face of the side frame and is rotatably connected to the vertical column. A hydraulic cylinder is fixedly installed at the middle of the upper end of the front and rear connecting rods. The telescopic end of the hydraulic cylinder faces upward and is fixedly connected to the middle section of the horizontal support rod. The left and right ends of the support rod support the lower side of the side frame.

[0008] Conveying auxiliary unit: installed on the upper and lower sides of the roller conveyor.

[0009] The connecting rods are connected to the base rods as a whole by inserting and bolting. The base rods and connecting rods of each layer form a frame on the horizontal plane. The vertical columns are used to support the upper frame structure. The two ends of the vertical columns are inserted into the connecting sleeves in the middle of the base rods and fixed by limiting pins, thereby realizing the combination connection between the layers of the rack. The side frame is used for the installation of roller conveyors. The connecting shaft at the end allows the side frame to move at a certain angle, thereby supporting the fine adjustment of the roller conveyor's tilt angle. During adjustment, one side hydraulic cylinder lifts one side of the side frame through the support rod, and the telescopic rod of the other side hydraulic cylinder retracts, maintaining support for the other end of the side frame through the upper support rod.

[0010] Furthermore, the assembled unit also includes a limiting pin and nuts. Both the connecting sleeve and the end of the vertical column have transverse through holes. The limiting pin is inserted into the through hole, and the vertical column is fixed inside the connecting sleeve by the limiting pin. The left and right ends of the limiting pin extend outwards and are threaded on the outer sides of both ends. A nut is threaded onto each end of the limiting pin, and the limiting pin is fixed to the connecting sleeve by the nuts on both sides. The nuts are used to fix the limiting pin to the connecting sleeve, and the limiting pin serves to limit the vertical column. Combined with the square structure of the connecting sleeve, this effectively ensures the stability of the vertical column, thereby improving the overall stability of the frame.

[0011] Furthermore, the assembled unit also includes a tilt sensor and a PLC controller. A tilt sensor is embedded in the side of the side frame, and a PLC controller is embedded in the outer end of one of the vertical columns. The input terminals of the front and rear hydraulic cylinders and the tilt sensor are all electrically connected to the output terminal of an external power supply through the PLC controller. The tilt sensor monitors the tilt angle of the side frame, and the PLC controller controls the hydraulic cylinders on the corresponding side to perform different extension and retraction actions based on the monitoring data from the tilt sensor, thereby adjusting the tilt angle of the roller conveyor.

[0012] Furthermore, the conveying auxiliary unit includes mounting brackets, telescopic short rods, springs, and guide frames. A mounting bracket is installed on the upper side of both ends of the side frame. The mounting brackets engage with the side frame via their lower corners, maintaining a perpendicular position. A telescopic short rod is fixedly connected to the upper part of the inward-facing side of each mounting bracket. A guide frame is fixedly connected to the inward-facing end of the telescopic short rod. The guide frame is parallel to the side frame, with its upper angled end folded outwards. A spring is fitted on the outer side of the telescopic short rod. The mounting brackets are used to install the guide frames. The telescopic short rods allow the spacing between the left and right guide frames to accommodate goods of different widths. The springs fitted on the outer side of the telescopic short rods ensure that the guide frames on both sides always have a clamping force on the goods. The folded structure at the upper angled end of the guide frame facilitates the sliding of goods between the guide frames. The mounting brackets are fixedly connected to the side frame with bolts, allowing the guide frames to adjust their tilt angle with the side frame.

[0013] Furthermore, the conveying auxiliary unit also includes a reduction roller and dampers. Multiple sets of dampers are equidistantly arranged on the lower side of the roller conveyor. Each set consists of two dampers, one on the left and one on the right, embedded inside the side frame. A reduction roller is rotatably connected to each set of dampers, and the roller surface of the reduction roller is in contact with the roller surface of the roller conveyor. The dampers provide a deceleration effect to the reduction roller, which, through its contact with the roller conveyor, generates frictional resistance, thereby controlling the downward speed of the goods.

[0014] Furthermore, the assembled unit also includes a support frame. Two adjacent upper and lower base rods are connected via connecting sleeves, vertical columns, and pin assemblies. Two X-shaped support frames are fixedly connected between each of the upper and lower base rods. The ends of the support frames are snapped onto the outside of the base rods and fixedly connected to them with bolts. By adding support frames, the support effect on the upper frame structure can be improved. The X-shaped support frames have good structural stability, thus ensuring the overall sturdiness and reliability of the shelving unit.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This gravity-flow modular shelving has the following advantages:

[0016] 1. It features reliable modular assembly units, allowing for the addition of additional shelving layers as needed, and includes adjustable roller conveyor tilt angles, making the shelving more practical: the two ends of the uprights are inserted into connecting sleeves located in the middle of the base rods and secured by limit pins, thus enabling the modular connection between shelving layers; tilt sensors monitor the tilt angle of the side shelves, and the PLC controller controls the hydraulic cylinders on the corresponding sides to perform different extension and retraction actions based on the monitoring data from the tilt sensors, thereby adjusting the tilt angle of the roller conveyor.

[0017] 2. It has a reliable conveying auxiliary unit. The deceleration roller and damper work together to effectively control the downward speed of the goods. The telescopic short rod allows the left and right guide frames to adjust the spacing to accommodate goods of different widths. The folded structure at the upper end of the guide frame makes it easy for the goods to slide into the guide frame. The spring on the outside of the telescopic short rod can make the guide frames on both sides always have a clamping force on the goods, so that the sliding goods can always stay in the center.

[0018] 3. This utility model has a reliable assembly unit that can add layers to the frame as needed, and has an adjustable roller line tilt angle, making the rack more practical. It also has a reliable conveying auxiliary unit, with a reduction roller and a damper working together to effectively control the downward speed of goods. The telescopic short rod allows the guide frames on both sides to adjust the spacing to accommodate goods of different widths. The folded structure at the upper end of the guide frame facilitates the sliding of goods between the guide frames. The springs fitted on the outside of the telescopic short rod ensure that the guide frames on both sides always have a clamping force on the goods, thus keeping the sliding goods centered. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the left front side structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the left rear side structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the lower oblique structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the left side structure of this utility model.

[0023] In the diagram: 1. Base rod, 2. Connecting rod, 3. Assembled unit, 31. Connecting sleeve, 32. Vertical column, 33. Side frame, 34. Roller conveyor, 35. Connecting shaft, 36. Hydraulic cylinder, 37. Support rod, 38. Tilt sensor, 39. PLC controller, 310. Limit pin, 311. Nut, 312. Support frame, 4. Conveying auxiliary unit, 41. Mounting bracket, 42. Telescopic short rod, 43. Spring, 44. Guide frame, 45. Reduction roller, 46. Damper. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-4 This embodiment provides a technical solution: a gravity-type modular shelving unit, including a base rod 1, a modular assembly unit 3, and a conveying auxiliary unit 4;

[0026] Base rod 1: It is composed of multiple layers, each layer consisting of two parallel longitudinal rods on the left and right. A transverse connecting rod 2 is inserted between the two rods. The connecting rod 2 is fixedly connected to the base rod 1 by bolts.

[0027] The assembly unit 3 includes a connecting sleeve 31, a vertical column 32, a side frame 33, a roller line 34, a connecting shaft 35, a hydraulic cylinder 36, and a support rod 37. A square connecting sleeve 31 is fixedly connected to the middle section of each base rod 1. The upper and lower ends of the vertical column 32 are respectively inserted into the two vertically corresponding connecting sleeves 31. An inclined roller line 34 is set between the two left and right vertical columns 32. The roller line 34 consists of a row of rollers in a linear array, and the two ends of the rollers are rotatably connected to the inside of the side frame 33. A connecting shaft 35 is fixedly connected to the middle of the outer side of the side frame 33. The connecting shaft 35 is perpendicular to the outer end face of the side frame 33 and is rotatably connected to the vertical column 32. A hydraulic cylinder 36 is fixedly installed at the middle of the upper end of the two front and rear connecting rods 2. The telescopic end of the hydraulic cylinder 36 faces upward and is fixedly connected to the middle section of the horizontal support rod 37. The left and right ends of the support rod 37 support the lower side of the side frame 33.

[0028] Conveying auxiliary unit 4: installed on the upper and lower sides of roller conveyor 34.

[0029] The connecting rod 2 is connected to the base rod 1 as a whole by means of insertion and bolt fixing. The base rod 1 and connecting rod 2 of each layer form a frame on the horizontal plane. The vertical column 32 is used to support the upper frame structure. The two ends of the vertical column 32 are inserted into the connecting sleeve 31 at the middle position of the base rod 1 and are fixed by the limiting pin 310, thereby realizing the combination connection between the layers of the shelf. The side frame 33 is used for the installation of the roller line 34. The connecting shaft 35 at the end allows the side frame 33 to move at a certain angle, thereby supporting the fine adjustment of the tilt angle of the roller line 34. During adjustment, the hydraulic cylinder 36 on one side lifts one side of the side frame 33 through the support rod 37, and the telescopic rod of the hydraulic cylinder 36 on the other side retracts, and the support rod 37 on the upper side maintains the support of the other end of the side frame 33.

[0030] The assembly unit 3 also includes a limiting pin 310 and a nut 311. Both the connecting sleeve 31 and the end of the vertical column 32 have transverse through holes. The limiting pin 310 is inserted into the through hole, and the vertical column 32 is fixed inside the connecting sleeve 31 by the limiting pin 310. The left and right ends of the limiting pin 310 extend outwards and are threaded on the outer sides of both ends. A nut 311 is threaded onto each end of the limiting pin 310, and the limiting pin 310 is fixed to the connecting sleeve 31 by the nuts 311 on both sides. The nuts 311 are used to fix the limiting pin 310 to the connecting sleeve 31. The limiting pin 310 serves to limit the vertical column 32, and together with the square structure of the connecting sleeve 31, it effectively ensures the stability of the vertical column 32, thereby improving the overall stability of the frame.

[0031] The assembly unit 3 also includes a tilt sensor 38 and a PLC controller 39. The tilt sensor 38 is embedded in the side of the side frame 33, and the PLC controller 39 is embedded in the outer end of one of the vertical columns 32. The input terminals of the two hydraulic cylinders 36 and the tilt sensor 38 are all electrically connected to the output terminal of an external power supply through the PLC controller 39. The tilt sensor 38 monitors the tilt angle of the side frame 33. The PLC controller 39 controls the hydraulic cylinders 36 on the corresponding side to perform different extension and retraction actions based on the monitoring data from the tilt sensor 38, thereby adjusting the tilt angle of the roller conveyor 34.

[0032] The conveying auxiliary unit 4 includes a mounting bracket 41, a telescopic short rod 42, a spring 43, and a guide frame 44. A mounting bracket 41 is installed on the upper side of both the left and right ends of the side frame 33. The mounting bracket 41 is engaged with the side frame 33 by the corner of its lower end, and the mounting bracket 41 and the side frame 33 maintain a vertical position. A telescopic short rod 42 is fixedly connected to the upper position of the inward side of each mounting bracket 41. The guide frame 44 is fixedly connected to the inward end of the telescopic short rod 42. The guide frame 44 is parallel to the side frame 33, and the upper diagonal end is folded outward. A spring 43 is sleeved on the outer side of the telescopic short rod 42. The mounting bracket 41 is used for mounting the guide frame 44. The telescopic short rod 42 allows the left and right guide frames 44 to adjust the spacing to accommodate goods of different widths. The spring 43, which is sleeved on the outside of the telescopic short rod 42, ensures that the guide frames 44 on both sides always have a clamping force on the goods. The folded structure at the upper inclined end of the guide frame 44 makes it easy for the goods to be slid into the guide frames 44. The mounting bracket 41 is fixedly connected to the side frame 33 by bolts, so that the guide frame 44 can be tilted at an angle with the side frame 33.

[0033] The conveying auxiliary unit 4 also includes a reduction roller 45 and a damper 46. Multiple sets of dampers 46 are equidistantly arranged on the lower side of the roller conveyor 34. Each set consists of two dampers 46, one on the left and one on the right, embedded inside the side frame 33. A reduction roller 45 is rotatably connected to each set of dampers 46, and the roller surface of the reduction roller 45 is in contact with the roller surface of the roller conveyor 34. The damper 46 provides a deceleration effect to the reduction roller 45. The reduction roller 45, by contacting the roller conveyor 34, generates frictional resistance on the roller conveyor 34, thereby controlling the downward speed of the goods.

[0034] The modular assembly unit 3 also includes a support frame 312. Two adjacent base rods 1 are connected via a connecting sleeve 31, a vertical column 32, and a pin assembly. Two X-shaped support frames 312 are fixedly connected between each of the upper and lower base rods 1. The ends of the support frames 312 are engaged with the outer sides of the base rods 1 and are fixedly connected to the base rods 1 with bolts. By adding the support frames 312, the support effect on the upper frame structure can be improved. The X-shaped support frames 312 have good structural stability, thus ensuring the overall sturdiness and reliability of the shelving.

[0035] The working principle of the gravity-type modular shelving provided by this utility model is as follows: This utility model has a reliable modular assembly unit 3, which can add layers of the shelving as needed, and has an adjustment function for the tilt angle of the roller conveyor 34, making the shelving more practical: The connecting rod 2 is connected to the base rod 1 as a whole by means of insertion and bolt fixing. The base rod 1 and connecting rod 2 of each layer form a frame on the horizontal plane. The vertical column 32 is used to support the upper frame structure; the two ends of the vertical column 32 are inserted into the connecting sleeve 31 at the middle position of the base rod 1, and are limited and fixed by the limiting pin 310, thereby realizing the modular connection between the layers of the shelving; the side frame 33 is used for the installation of the roller conveyor 34, and the connecting shaft 35 at the end allows the side frame 33 to move at a certain angle, thereby supporting the installation of the roller conveyor 34. The tilt angle of the roller conveyor 34 is finely adjusted. During adjustment, one hydraulic cylinder 36 lifts one side of the side frame 33 via the support rod 37, while the telescopic rod of the other hydraulic cylinder 36 retracts, and the upper support rod 37 maintains support on the other end of the side frame 33. The tilt sensor 38 is used to monitor the tilt angle of the side frame 33. The PLC controller 39 controls the hydraulic cylinder 36 on the corresponding side to perform different telescopic actions based on the monitoring data of the tilt sensor 38, thereby adjusting the tilt angle of the roller conveyor 34. The nut 311 is used to fix the limit pin 310 to the connecting sleeve 31. The limit pin 310 is used to limit the vertical column 32. Combined with the square structure of the connecting sleeve 31, it can effectively ensure the stability of the vertical column 32, thereby improving the overall stability of the frame. This utility model also features a reliable conveying auxiliary unit 4. A damper 46 provides a deceleration effect to the reduction roller 45. The reduction roller 45, by engaging with the roller line 34, generates frictional resistance, thereby controlling the downward speed of the goods. A mounting bracket 41 is used for mounting the guide frame 44. A telescopic short rod 42 allows the spacing of the left and right guide frames 44 to be adjusted to accommodate goods of different widths. A spring 43 fitted around the outside of the telescopic short rod 42 ensures that the guide frames 44 on both sides always maintain a clamping force on the goods. Furthermore, the folded structure at the upper inclined end of the guide frame 44 facilitates the sliding of goods between the guide frames 44. The mounting bracket 41 is fixedly connected to the side frame 33 with bolts, allowing the guide frame 44 to adjust its tilt angle with the side frame 33. In addition, two X-shaped support frames 312 are fixedly connected between the upper and lower base rods 1. Adding support frames 312 improves the support effect on the upper frame structure. The X-shaped support frames 312 have good structural stability, ensuring the overall sturdiness and reliability of the rack.

[0036] It is worth noting that the input terminals of the hydraulic cylinder 36 and the tilt sensor 38 disclosed in the above embodiments are both electrically connected to the output terminal of an external power supply through the PLC controller 39. The PLC controller 39 controls the operation of the hydraulic cylinder 36 and the tilt sensor 38 using methods commonly used in the prior art.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A gravity flow modular shelving system, characterized in that: It includes a base rod (1), a modular assembly unit (3), and a conveying auxiliary unit (4); Base rod (1): It is provided with multiple layers, each layer consists of two parallel longitudinal rods on the left and right, and a transverse connecting rod (2) is inserted between the two rods. The connecting rod (2) is fixedly connected to the base rod (1) by bolts. The assembly unit (3) includes a connecting sleeve (31), a vertical column (32), a side frame (33), a roller line (34), a connecting shaft (35), a hydraulic cylinder (36), and a support rod (37). A square connecting sleeve (31) is fixedly connected to the middle section of each base rod (1). The upper and lower ends of the vertical column (32) are respectively inserted into two vertically corresponding connecting sleeves (31). An inclined roller line (34) is set between the two vertical columns (32). The roller line (34) has a row of rollers in a linear array. The cylinder is composed of two rollers, and the two ends of the rollers are rotatably connected to the inside of the side frame (33). A connecting shaft (35) is fixedly connected to the middle of the outer side of the side frame (33). The connecting shaft (35) is perpendicular to the outer end face of the side frame (33) and is rotatably connected to the vertical column (32). A hydraulic cylinder (36) is fixedly installed at the middle of the upper end of the two connecting rods (2) at the front and rear. The telescopic end of the hydraulic cylinder (36) faces upward and is fixedly connected to the middle section of the horizontal support rod (37). The left and right ends of the support rod (37) are supported on the lower side of the side frame (33). Conveying auxiliary unit (4): installed on the upper and lower sides of the roller conveyor (34).

2. The gravity-flow modular shelving according to claim 1, characterized in that: The combined assembly unit (3) also includes a limiting pin (310) and a nut (311). The ends of the connecting sleeve (31) and the vertical column (32) are provided with transverse through holes. The limiting pin (310) is inserted into the through hole. The vertical column (32) is limited and fixed inside the connecting sleeve (31) by the limiting pin (310). The left and right ends of the limiting pin (310) are outward and deep, and there are threads on the outer side of the two ends. A nut (311) is threaded to both ends of the limiting pin (310). The limiting pin (310) is fixed to the connecting sleeve (31) by the nuts (311) on both sides.

3. The gravity-flow modular shelving according to claim 2, characterized in that: The combined assembly unit (3) also includes an inclination sensor (38) and a PLC controller (39). An inclination sensor (38) is embedded in the side of the side frame (33), and a PLC controller (39) is embedded in the outer end of one of the vertical columns (32). The input ends of the two hydraulic cylinders (36) and the inclination sensor (38) are all electrically connected to the output end of the external power supply through the PLC controller (39).

4. The gravity-flow modular shelving according to claim 1, characterized in that: The conveying auxiliary unit (4) includes a mounting bracket (41), a telescopic short rod (42), a spring (43), and a guide frame (44). A mounting bracket (41) is installed on the upper side of both the left and right ends of the side frame (33). The mounting bracket (41) is engaged with the side frame (33) through the corner of its lower end, and the mounting bracket (41) and the side frame (33) maintain a vertical position. A telescopic short rod (42) is fixedly connected to the upper position of the inward side of each mounting bracket (41). The guide frame (44) is fixedly connected to the inward end of the telescopic short rod (42). The guide frame (44) is parallel to the side frame (33) and the upper end is folded outward. A spring (43) is sleeved on the outer side of the telescopic short rod (42).

5. A gravity-flow modular shelving system according to claim 4, characterized in that: The conveying auxiliary unit (4) also includes a deceleration roller (45) and a damper (46). Multiple sets of dampers (46) are equidistantly arranged on the lower side of the roller line (34). Each set of two dampers (46) is embedded in the side frame (33). Each set of dampers (46) is rotatably connected to a deceleration roller (45). The roller surface of the deceleration roller (45) is in contact with the roller surface of the roller line (34).

6. A gravity-flow modular shelving system according to claim 3, characterized in that: The combined assembly unit (3) also includes a support frame (312). Two adjacent base rods (1) are connected by a connecting sleeve (31), a vertical column (32) and a pin assembly. Two X-shaped support frames (312) are fixedly connected between the upper and lower base rods (1). The ends of the support frames (312) are stuck on the outside of the base rods (1) and are fixedly connected to the base rods (1) by bolts.

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