Material lifting platform

Abstract

The utility model provides a material lifting platform, which belongs to the technical field of material carrying, and comprises a pneumatic telescopic mechanism vertically arranged in a support block, the pneumatic telescopic mechanism comprises a piston rod capable of moving up and down on the support block, the piston rod is connected with a lifting plate, and the lifting plate is connected with a transmission assembly. A plurality of guide rods are arranged on the side wall, close to the lifting plate, of the supporting block, guide grooves corresponding to the guide rods are formed in the side wall of the lifting plate, and the guide rods are inserted into the guide grooves and used for guiding and restraining the moving track of the lifting plate; according to the lifting plate guide structure, the working space occupied by the lifting plate guide structure can be reduced, and the maintenance efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to material handling equipment technical field, concretely relates to a material lifting platform. BACKGROUND

[0002] With the rapid development of industrial automation and intelligent equipment application, the lifting device as the core mechanism to realize the vertical material transmission or equipment adjustment, the application demand in the field such as logistics warehousing, building construction, power maintenance and intelligent manufacturing is increasingly growing.

[0003] The current lifting device technology development presents the following trends: from single function to multi-functional integration evolution, for example, combined with digital twin system to realize remote monitoring, example application number CN202310351383.6 disclosed a kind of digital virtual and real combination of mechatronics and robot application teaching equipment, wherein the lifting device is disclosed, as shown in the description attached Figure 1 .

[0004] The above lifting device can meet the stable lifting of material by air cylinder, but in order to reduce the processing difficulty, the piston rod of the air cylinder is not fixedly connected with the lifting plate (L-shaped plate for driving the transmission assembly to move up and down), so that the running track of the lifting mechanism needs to be guided and constrained additionally (such as the four guide rods shown in the figure), which not only occupies the operation space during equipment operation, but also makes the disassembly and maintenance of the transmission assembly more complicated. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a material lifting platform, which can reduce the working space occupied by the lifting plate guide structure and improve the maintenance efficiency.

[0006] To solve the above technical problems, the utility model provides a material lifting platform, which comprises a pneumatic telescopic mechanism vertically arranged in a support block, the pneumatic telescopic mechanism comprises a piston rod movable up and down on the support block, the piston rod is connected with a lifting plate, the piston rod can drive the lifting plate to move up and down, the lifting plate is connected with a transmission assembly, the transmission assembly can convey materials, a plurality of guide rods are arranged on the side wall of the support block close to the lifting plate, guide grooves are arranged on the side wall of the lifting plate corresponding to the guide rods, and the guide rods are inserted into the guide grooves to guide and constrain the running track of the lifting plate.

[0007] The pneumatic telescopic mechanism comprises a movable slot vertically arranged in the support block, the piston rod is slidably arranged in the movable slot, a cylinder is further arranged on the side wall of the support block, the cylinder is used to input or extract gas into the movable slot, and the gas injected into the movable slot can push the piston rod to move upward in the movable slot.

[0008] The support block side edge is further provided with two magnetic switches arranged in vertical line type, and corresponding to the two magnetic switches, a magnetic sheet is arranged on the piston rod corresponding to the magnetic switch, and the height of the piston rod lifting can be controlled through the magnetic switch sensing the position of the magnetic sheet.

[0009] The lifting plate comprises a movable plate connected with the end of the piston rod, the piston rod can drive the movable plate to move up and down, and a transmission plate connected with the movable plate, the guide groove is arranged on the transmission plate, the movable plate and the transmission plate are connected together in L-shaped structure through bolts, and the transmission plate is vertically fixed below the end of the movable plate.

[0010] A storage groove is arranged through the movable plate in U-shaped structure, the end of the storage groove is communicated with the side wall of the movable plate, a clamping wheel corresponding to the storage groove is arranged at the end of the piston rod, and the clamping wheel is in I-shaped structure and can be embedded in the storage groove, that is, the piston rod can drive the movable plate to move up and down when the clamping wheel is embedded in the storage groove.

[0011] The movable plate is further provided with a support plate, the movable plate can drive the support plate to move up and down, a transmission assembly is fixed on the upper surface of the support plate, the transmission assembly comprises two fixed blocks arranged on the support plate, the two fixed blocks are arranged in parallel, two rotating rollers are rotatably arranged between the two fixed blocks, and a conveying belt is rotatably arranged between the two rotating rollers, materials placed on the conveying belt can be conveyed, a support is further arranged on one of the fixed blocks, a driving motor is further arranged on the support, the length direction of the driving motor is consistent with the length direction of the conveying belt, the output shaft of the driving motor is connected with the end of one of the rotating rollers through a shaft coupling, and the driving motor can indirectly drive the conveying belt to rotate.

[0012] The support is fixed on the fixed block through bolts, so that the driving motor can be conveniently maintained or replaced.

[0013] A support plate is further arranged on one of the fixed blocks corresponding to the conveying belt, and a sensor is fixed on the support plate, so that the driving motor can be conveniently controlled to start and stop through the sensor.

[0014] Compared with the prior art, the present application has the following at least one beneficial technical effect:

[0015] 1. Optimization of the guiding and restraining mechanism and reduction of the space occupation:

[0016] The utility model discloses a guiding rod is arranged on the side wall of support block, and the guide groove is set up on the transmission plate of lifting plate, and the embedded guiding and restraining mechanism is formed. The design significantly reduces the space occupation of the guiding structure under the premise of guaranteeing the stable operation of the lifting plate, avoids the occupation of the operation area by the guiding rod in the traditional design, and is especially suitable for narrow space or high-density operation scene.

[0017] The embedded cooperation of the guide rod and the guide groove effectively suppresses swing deviation of the lifting plate during lifting, improves stability of material transmission, and solves positioning error problems caused by gaps or wear in traditional guide mechanisms.

[0018] 2. Decoupling of driving and transmission structure and simplification of assembly:

[0019] The utility model discloses a piston rod end is set to I -shaped card wheel, and is embedded with the U -shaped article groove of movable plate connection, realizes the direct transmission of driving force. This design avoids the direct fixed connection of piston rod and lifting plate in traditional design, simplifies the assembly process, reduces the requirement to machining precision, and simultaneously reduces the energy loss caused by intermediate transmission mechanism.

[0020] The embedded design of the card wheel and the article groove makes the lifting plate be able to evenly disperse load when being stressed, improves the carrying capacity and service life of the equipment.

[0021] 3. Vertical integration of transmission assembly and operation efficiency improvement:

[0022] It is mentioned in the background art that the traditional lifting device is single-function, and needs to rely on external equipment to realize material transmission. The utility model discloses that the transmission assembly is integrated on the lifting plate, realizes the vertical integration of lifting and transmission functions. Material can be horizontally conveyed through the conveyor belt during lifting, reduces the multi-step operation of " lifting - carrying - transmission " in traditional process, and significantly improves the operation efficiency.

[0023] The modular design (such as bolt connection of support and fixed block) of the transmission assembly facilitates the quick disassembly and assembly of the driving motor and the conveyor belt, reduces the equipment downtime maintenance time.

[0024] 4. Introduction of intelligent control and safety monitoring function:

[0025] The utility model discloses the cooperation of magnetic switch and the magnetic sheet on piston rod, realizes the accurate closed-loop control to lifting height, avoids the overshoot or undershoot phenomenon caused by air pressure fluctuation in traditional pneumatic lifting.

[0026] The introduction of sensor makes the position of material on the conveyor belt be monitored in real time. When material is delivered to the specified position, the sensor can trigger the driving motor to stop, realizes the automatic control of material transmission, reduces manual intervention, and improves operation safety.

[0027] 5. Balance between structural strength and maintenance convenience:

[0028] The utility model discloses a split design (L shape structure of movable plate and transmission plate) of lifting plate, which guarantees the structural strength in the lifting process and facilitates independent maintenance of the transmission assembly.

[0029] The open layout of the support block and the lifting plate facilitates cleaning and lubrication of the key components such as the movable groove and the guide rod, prolonging the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 The utility model discloses a structure schematic diagram of prior art;

[0031] Figure 2 The utility model discloses a structure schematic diagram of a material lifting platform;

[0032] Figure 3 The utility model discloses a structure schematic diagram of side view;

[0033] Figure 4 The utility model discloses a structure schematic diagram of top view.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 100, support block; 101, magnetic switch;

[0036] 200, pneumatic telescopic mechanism; 201, movable groove; 202, piston rod; 203, air cylinder;

[0037] 300, lifting plate; 301, movable plate; 302, storage groove; 303, clamping wheel; 304, transmission plate;

[0038] 400, support plate;

[0039] 500, transmission assembly; 501, fixed block; 502, rotating roller; 503, conveying belt;

[0040] 600, support; 601, driving motor; 602, shaft coupling;

[0041] 700, support plate; 701, sensor. DETAILED DESCRIPTION

[0042] To make the purpose, technical scheme and advantages of the utility model embodiment more clear, the following will combine the drawings of the utility model embodiment and specifically describe the utility model embodiment. Figures 2-4The technical solutions of the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0043] The embodiment provides a material lifting platform, which comprises a support block 100 arranged on a base plate, the support block 100 is a cuboid structure and is vertically placed, and a pneumatic telescopic mechanism 200 is arranged in the support block 100. Figure 4 As shown in the figure: the support block 100 is a cuboid structure and is vertically placed, the support block 100 is internally provided with a pneumatic telescopic mechanism 200, the pneumatic telescopic mechanism 200 comprises a piston rod 202 capable of vertically moving up and down, the pneumatic telescopic mechanism 200 can drive the piston rod 202 to move up and down, and the top of the movable rod is further connected with an L-shaped lifting plate 300, the corner section of the lifting plate 300 is attached to the side wall of the support block 100, and a plurality of guide rods are vertically arranged on the side wall of the support block 100 close to the corner end of the lifting plate 300, a plurality of guide grooves are vertically arranged on the side wall of the lifting plate 300 close to the support block 100 corresponding to the guide rods, the guide rods are located in the guide grooves, the movement track of the lifting plate 300 can be guided and constrained in the process of moving up and down on the lifting plate 300 through the cooperation of the guide rods and the guide grooves, and the cross sections of the guide rods and the guide grooves are T-shaped structures, so that the lifting plate 300 can move up and down more stably.

[0044] Specifically, the pneumatic telescopic mechanism 200 comprises a movable slot 201 vertically arranged on the top of the support block 100, as shown in the figure: Figure 4 The piston rod 202 is slidably arranged in the movable slot 201, a sealing ring is arranged at the bottom of the piston rod 202 to fill the gap between the outer wall of the piston rod 202 and the movable slot 201, so as to ensure the air tightness, so that the gas at the bottom of the piston rod 202 cannot escape upward, and a gas cylinder 203 is arranged on the side of the support block 100 corresponding to the movable slot 201, the gas cylinder 203 can input gas into the movable slot 201 or extract the gas in the movable slot 201, that is, the input of gas into the movable slot 201 can make the piston rod 202 move upward, and the extraction of the gas in the movable slot 201 can make the piston rod 202 move downward.

[0045] Further, two magnetic switches 101 (CMSH-030) are arranged on the side of the support block 100 corresponding to the movable slot 201, as shown in the figure: Figure 3 The two magnetic switches 101 are arranged in up and down directions, a magnetic sheet is arranged on the piston rod 202 corresponding to the magnetic switches 101, the magnetic switches 101 can sense the position of the magnetic sheet, so that the piston rod 202 can move up and down more accurately.

[0046] It is worth mentioning that the lifting plate 300 is composed of a movable plate 301 and a transmission plate 304, as shown in the figure:Figure 2 , 3 As shown: the movable plate 301 is horizontally fixed above the piston rod 202, and the transmission plate is vertically fixed below the end of the movable plate 301. The movable plate 301 and the transmission plate 304 are fixed together in an L-shape by bolts. The guide groove is fixed to the side of the movable plate 301. At the same time, a storage groove 302 is provided through the movable plate 301. The storage groove 302 has a U-shaped structure and its end is connected to the side wall of the movable plate 301. The top of the piston rod 202 is also provided with a retaining wheel 303 corresponding to the storage groove 302. The retaining wheel 303 has an I-shaped structure, that is, the outer side wall of the retaining wheel 303 has an annular groove. The retaining ring can be embedded in the storage groove 302 through the annular groove. Thus, the piston rod 202 can drive the movable plate 301 to move up and down when it rises and falls, thereby reducing the machining accuracy of the lifting plate 300 and preventing the piston rod 202 and the movable plate 301 from not being able to be coaxially connected.

[0047] The bottom of the movable plate 301 is also horizontally provided with a support plate 400, and a transmission assembly 500 is fixed on the upper surface of the support plate 400, such as... Figure 2 , 4 As shown: The transmission component 500 includes two fixed blocks 501 that are fixed parallel to the upper surface of the support plate 400. Two rotating rollers 502 are rotatably arranged between the two fixed blocks 501. A transmission belt is arranged between the two rotating rollers 502. The rotation of the rotating rollers 502 can drive the transmission belt 503 to rotate. When the material is placed on the transmission belt 503, the rotation of the rotating rollers 502 can drive the transmission belt 503, so that the transmission belt 503 can transport the material.

[0048] One of the fixed blocks 501 is also equipped with a bracket 600 by bolts. The drive motor 601 is fixed on the bracket 600. The drive motor 601 is aligned with the length direction of the conveyor belt 503. The output shaft of the drive motor 601 is connected to the end of the rotating roller 502 through a coupling. When the drive motor 601 is working, it can drive the conveyor belt 503 to work. The fixed position of the drive motor 601 can further reduce the workpiece occupied by the equipment and increase the operating space. At the same time, it is also convenient to remove the bracket 600 by bolts to maintain or replace the drive motor 601.

[0049] Furthermore, a square sensor 701 (CX-441-P) is provided on the fixed block 501 via the support plate 700. The sensor 701 can be used to detect whether there is material on the conveyor belt 503, so as to control the operation of the drive motor 601 and indirectly control the material conveying of the conveyor belt 503.

[0050] In addition, it needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0051] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles described in the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A material lifting platform, comprising a pneumatic telescopic mechanism (200) vertically arranged in a support block (100), the pneumatic telescopic mechanism (200) comprising a piston rod (202) movable up and down on the support block (100), a lifting plate (300) connected to the piston rod (202), characterized in that: The lifting plate (300) is connected with a conveying assembly (500), the support block (100) is provided with a plurality of guide rods on one side wall close to the lifting plate (300), corresponding guide rods are provided with guide grooves on the side wall of the lifting plate (300), and the guide rods are inserted into the guide grooves and used for guiding and constraining the running track of the lifting plate (300).

2. A material hoist platform as claimed in claim 1, characterised in that: The pneumatic telescopic mechanism (200) comprises a movable groove (201) vertically arranged in the support block (100), a piston rod (202) slidably arranged in the movable groove (201), and a gas cylinder (203) further arranged on the side wall of the support block (100), wherein the gas cylinder (203) is used for inputting or extracting gas into the movable groove (201).

3. A material hoist platform as claimed in claim 2, wherein: The side edge of the support block (100) is further provided with two magnetic switches (101) vertically and linearly arranged, and corresponding magnetic sheets are arranged on the piston rod (202) corresponding to the two magnetic switches (101).

4. A material hoist platform as claimed in claim 1, wherein: The lifting plate (300) comprises a movable plate (301) connected with the end of the piston rod (202) and a transmission plate (304) connected with the movable plate (301), the guide groove is arranged on the transmission plate (304), and the movable plate (301) and the transmission plate (304) are connected together in an L-shaped structure through bolts.

5. A material hoist platform as claimed in claim 4, wherein: A storage groove (302) is vertically arranged on the movable plate (301), the storage groove (302) is in a U-shaped structure, a clamping wheel (303) is arranged on the end of the piston rod (202) corresponding to the storage groove (302), and the clamping wheel (303) is in an I-shaped structure and can be embedded in the storage groove (302).

6. A material hoist platform as claimed in claim 4, wherein: The movable plate (301) is further provided with a support plate (400), a conveying assembly (500) is fixed on the upper surface of the support plate (400), the conveying assembly (500) comprises two fixed blocks (501) arranged on the support plate (400), two rotating rollers (502) are rotatably arranged between the two fixed blocks (501), a conveying belt (503) is rotatably arranged between the two rotating rollers (502), a support (600) is further arranged on one of the fixed blocks (501), a driving motor (601) is further arranged on the support (600), the length direction of the driving motor (601) is consistent with the length direction of the conveying belt (503), and the output shaft of the driving motor (601) is connected with the end of one of the rotating rollers (502) through a shaft coupling (602).

7. A material hoist platform as claimed in claim 6, characterised in that: The support (600) is fixed on the fixed block (501) through bolts.

8. A material hoist platform as claimed in claim 6, wherein: A support plate (700) is further arranged on one of the fixed blocks (501) corresponding to the conveying belt (503), and a sensor (701) is fixed on the support plate (700).

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