Automatic lifting mechanism of stacker

Abstract

The utility model relates to the technical field of stacker lifting, and discloses an automatic stacker lifting mechanism which comprises a base, a lifting mechanism is arranged at the top of the base, a balancing weight is fixedly connected to the rear side of the lifting mechanism, a limiting mechanism is arranged at the bottom of the base, the lifting mechanism comprises a lifting assembly and a fixing assembly, and the fixing assembly is fixedly connected with the lifting mechanism. The lifting assembly is arranged at the top of the base, the fixing assembly is arranged on the inner side of the lifting assembly, and when the lifting device is used, through the arranged lifting mechanism, under the action of a worm and a worm gear, the placement frame can be driven to ascend and descend through a one-way threaded rod; through the arrangement of the worm gear and the worm, the placing frame is in a stable state and can conduct long-distance lifting work in the process of lifting an object, the worm gear and the worm have the self-locking function, the stability when the threaded rod drives the placing frame to ascend and descend can be guaranteed, and meanwhile when the placing frame drives the object to ascend and descend, the placing frame is not prone to falling. And an object can be fixed under the action of the fixing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of stacker lifting, in particular to an automatic stacker lifting mechanism. Background Art

[0002] The automatic lifting mechanism of a stacker is a lifting system used for stackers or other similar equipment. It can automatically lift goods from one height to another, or move them horizontally at the same height. This mechanism usually includes multiple components, such as columns, lifting platforms, drive systems and control systems. Most of the existing stackers use a cylinder lifting structure with a fixed stroke, and the objects cannot be fixed during the lifting process, and the stability of the objects cannot be guaranteed.

[0003] According to the description of a battery tray stacker published on the patent website (authorization announcement number: CN 210915145 U), the battery tray stacker includes "a mounting plate, a lifting gear box, a gear bar" and the like to perform the lifting work.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] The battery tray stacker utilizes a mounting plate, a lifting gear box, a gear bar, etc. to perform the lifting work. During use, the stacker is lifted by a gear and rack drive, but the gears do not have a self-locking function, and the stability of the object during the lifting process cannot be guaranteed, and the object cannot be fixed. When the object deviates during the lifting process, it affects safety, so the stacker needs to be improved. Utility Model Content

[0006] The utility model aims to provide an automatic lifting mechanism for a stacker to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: an automatic lifting mechanism for a stacker, comprising a base, a lifting mechanism is arranged on the top of the base, a counterweight is fixedly connected to the rear side of the lifting mechanism, and a limiting mechanism is arranged at the bottom of the base;

[0008] The lifting mechanism includes a lifting component and a fixing component, wherein the lifting component is arranged on the top of the base, and the fixing component is arranged inside the lifting component;

[0009] The lifting assembly includes a load-bearing frame, which is fixedly connected to the top of the base, and a double-axis motor is fixedly connected to the top of the load-bearing frame. Worms are fixedly connected to the left and right sides of the double-axis motor, and a worm wheel is meshed on the front side of the worm, and a one-way threaded rod is fixedly connected to the worm wheel. The one-way threaded rod is rotatably connected to the inside of the load-bearing frame, and a load-bearing block is threadedly connected to the outer periphery of the one-way threaded rod. The left side of the load-bearing block is slidably connected to the inside of the load-bearing frame, and the front side of the load-bearing block is fixedly connected to a placement frame, and the rear side of the placement frame is fixedly connected to a first cylinder, and the front side of the first cylinder is fixedly connected to a push plate, and the bottom of the placement frame is fixedly connected to a limiting block.

[0010] Preferably, the bottom of the one-way threaded rod is rotatably connected to the bottom inner side of the load-bearing frame, a slide groove is provided on the inner side of the load-bearing frame, and the left side of the load-bearing block is slidably connected in the slide groove, so that the slide groove can limit the load-bearing block, so that the load-bearing block can drive the placement frame to rise and fall more stably.

[0011] Preferably, the bottom of the limit block is circular, and a wear-resistant pad is provided at the bottom of the limit block, so that the limit block can support and limit the placement frame when the placement frame descends to the bottom.

[0012] Preferably, the fixing component includes a servo motor, the servo motor is fixedly connected to the left side of the placement frame, the right side of the servo motor is fixedly connected to a bidirectional threaded rod, the right side of the bidirectional threaded rod is rotatably connected to the inside of the placement frame, the outer periphery of the bidirectional threaded rod is threadedly connected to a threaded block, and the top of the threaded block is fixedly connected to a fixing plate.

[0013] Preferably, a movable groove is opened at the inner bottom of the placement frame, and the threaded block is slidably connected in the movable groove. A rubber pad is arranged on the right side of the fixed plate, so that the threaded block can be limited by the movable groove, so that the threaded block can drive the fixed plate to move left and right more stably.

[0014] Preferably, the limiting mechanism includes a second cylinder, a mounting plate is fixedly connected to the bottom of the second cylinder, a universal wheel is fixedly connected to the bottom of the mounting plate, the universal wheel is slidably connected to the inside of the base, and sliders are fixedly connected to the left and right sides of the mounting plate, and the sliders are slidably connected to the inside of the base.

[0015] Preferably, a limiting groove and a rectangular groove are respectively provided inside the base, and the universal wheel and the slider are respectively slidably connected in the limiting groove and the rectangular groove, so that the limiting groove and the rectangular groove can respectively limit the universal wheel and the slider, thereby ensuring the stability of the universal wheel and the slider when moving.

[0016] Compared with the prior art, the utility model provides an automatic lifting mechanism for a stacker, which has the following beneficial effects:

[0017] 1. The automatic lifting mechanism of the stacker can realize the lifting and lowering of the placement frame through the one-way threaded rod under the action of the worm and the worm wheel through the provided lifting mechanism, so that the placement frame is in a stable state during the lifting of the object and can perform long-distance lifting work, and the worm wheel and the worm have a self-locking function, which can ensure the stability of the placement frame when the threaded rod drives the placement frame to lift and lower. At the same time, when the placement frame drives the object to lift, the object can be fixed under the action of the fixed plate to prevent the object from being offset due to external factors and affecting the safety of lifting. At the same time, under the action of the push plate, when it is lifted to the required position, the object can be automatically pushed out of the placement frame to improve the efficiency of material unloading.

[0018] 2. The automatic lifting mechanism of the stacker can realize, through the set limit mechanism, that when the lifting mechanism is moved to the vicinity of the position where lifting is required through the universal wheel, the universal wheel can be driven to rise and fall under the action of the second cylinder and the mounting plate, thereby driving the universal wheel to rise to the inside of the base, so that the bottom of the base contacts the ground, and the stability of the lifting process can be ensured. When the lifting work is performed, the mounting plate is driven to rise and fall through the second cylinder. When the mounting plate is lifted and lowered, the universal wheel and the slider will be driven to slide in the limit groove and the rectangular groove respectively, thereby driving the universal wheel to rise and fall to the inside of the base, so that the bottom of the base contacts the ground, and the lifting stability and safety are ensured. When the lifting mechanism needs to be driven to move, the universal wheel can be driven to rise and fall again, so that the universal wheel contacts the ground, and the lifting mechanism can be driven to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the lifting mechanism structure;

[0022] Figure 3 It is a schematic diagram of the lifting component structure;

[0023] Figure 4 It is a schematic diagram of the front structure of the load-bearing frame;

[0024] Figure 5 It is a schematic diagram of the fixed component structure;

[0025] Figure 6 It is a schematic diagram of the limit mechanism structure.

[0026] In the figure: 1. base; 2. counterweight block; 3. lifting mechanism; 4. limiting mechanism; 31. lifting assembly; 32. fixing assembly; 311. one-way threaded rod; 312. load-bearing frame; 313. worm gear; 314. worm; 315. dual-axis motor; 316. limiting block; 317. load-bearing block; 318. placement frame; 319. first cylinder; 3191. push plate; 321. servo motor; 322. fixing plate; 323. two-way threaded rod; 324. threaded block; 41. second cylinder; 42. mounting plate; 43. slider; 44. universal wheel. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The utility model provides the following technical solutions:

[0030] Embodiment 1

[0031] See also Figure 1-6 The utility model provides a technical solution: an automatic lifting mechanism for a stacker, comprising a base 1, a lifting mechanism 3 is arranged on the top of the base 1, a counterweight block 2 is fixedly connected to the rear side of the lifting mechanism 3, a limiting mechanism 4 is arranged at the bottom of the base 1, the lifting mechanism 3 comprises a lifting component 31 and a fixing component 32, the lifting component 31 is arranged on the top of the base 1, and the fixing component 32 is arranged inside the lifting component 31;

[0032] The lifting assembly 31 includes a load-bearing frame 312, which is fixedly connected to the top of the base 1. A dual-axis motor 315 is fixedly connected to the top of the load-bearing frame 312. A worm 314 is fixedly connected to the left and right sides of the dual-axis motor 315. A worm wheel 313 is meshed on the front side of the worm 314. A one-way threaded rod 311 is fixedly connected inside the worm wheel 313. The one-way threaded rod 311 is rotatably connected to the inside of the load-bearing frame 312. A load-bearing block 317 is threadedly connected to the outer periphery of the one-way threaded rod 311. The left side of the load-bearing block 317 is slidably connected to the inner side of the load-bearing frame 312. A placement frame 318 is fixedly connected to the front side of the load-bearing frame 318. A first cylinder 319 is fixedly connected to the rear side of the placement frame 318. A push plate 3191 is fixedly connected to the front side of the first cylinder 319. A limit block 316 is fixedly connected to the bottom of the placement frame 318.

[0033] The bottom of the one-way threaded rod 311 is rotatably connected to the bottom inner side of the load-bearing frame 312. A slide groove is provided on the inner side of the load-bearing frame 312. The left side of the load-bearing block 317 is slidably connected to the slide groove, so that the load-bearing block 317 can be limited through the slide groove, so that the load-bearing block 317 can drive the placement frame 318 to rise and fall more stably. The bottom of the limit block 316 is circular, and a wear-resistant pad is provided at the bottom of the limit block 316, so that the limit block 316 can support and limit the placement frame 318 when the placement frame 318 drops to the bottom.

[0034] See also Figure 1-6 The utility model provides a technical solution: the fixing component 32 includes a servo motor 321, the servo motor 321 is fixedly connected to the left side of the placement frame 318, and a bidirectional threaded rod 323 is fixedly connected to the right side of the servo motor 321. The right side of the bidirectional threaded rod 323 is rotatably connected to the inside of the placement frame 318, and the outer periphery of the bidirectional threaded rod 323 is threadedly connected to a thread block 324, and the top of the thread block 324 is fixedly connected to a fixing plate 322. A movable groove is provided at the bottom of the inner side of the placement frame 318, and the thread block 324 is slidably connected to the movable groove. A rubber pad is provided on the right side of the fixing plate 322, so that the thread block 324 can be limited by the movable groove, so that the thread block 324 can drive the fixing plate 322 to move left and right more stably.

[0035] Embodiment 2

[0036] See also Figure 1-6On the basis of the first embodiment, the limiting mechanism 4 further comprises a second cylinder 41, a mounting plate 42 is fixedly connected to the bottom of the second cylinder 41, a universal wheel 44 is fixedly connected to the bottom of the mounting plate 42, the universal wheel 44 is slidably connected to the inside of the base 1, sliders 43 are fixedly connected to the left and right sides of the mounting plate 42, the slider 43 is slidably connected to the inside of the base 1, a limiting groove and a rectangular groove are respectively provided inside the base 1, the universal wheel 44 and the slider 43 are slidably connected to the limiting groove and the rectangular groove respectively, so that the limiting groove and the rectangular groove can respectively limit the universal wheel 44 and the slider 43, thereby ensuring the stability of the universal wheel 44 and the slider 43 when moving.

[0037] During actual operation, when this device is used, when it is necessary to lift an object, the lifting mechanism 3 is first moved to the vicinity of the position where the lifting is required through the universal wheel 44. When the movement is completed, the mounting plate 42 is driven to rise and fall through the second cylinder 41. When the mounting plate 42 is lifted and lowered, the universal wheel 44 and the slider 43 are driven to slide in the limit groove and the rectangular groove respectively, thereby driving the universal wheel 44 to rise and fall to the inside of the base 1, so that the bottom of the base 1 contacts the ground to ensure the stability and safety of the lifting. Then, the object to be lifted is placed in the placement frame 318, so that the rear side of the object contacts the front side of the push plate 3191, and at the same time, the threaded block 324 connected to the outer thread of the bidirectional threaded rod 323 is driven by the servo motor 321 to move left and right in the movable groove in the placement frame 318. Move, so that the threaded block 324 drives the fixed plate 322 to move to both sides of the object, fix the object and ensure the stability of the object, and then the dual-axis motor 315 drives the worm 314 to rotate, so that the worm 314 drives the one-way threaded rod 311 fixedly connected in the worm gear 313 to rotate, so that the one-way threaded rod 311 drives the placement frame 318 fixedly connected to the front side of the load-bearing block 317 to rise and fall, and lift the placement frame 318 to the required position. When the load-bearing block 317 moves, it will slide in the slide groove on the inner side of the load-bearing frame 312. The slide groove can ensure the stability of the load-bearing block 317 when it moves. When it is lifted to the required position, the first cylinder 319 drives the push plate 3191 to move back and forth, and the push plate 3191 can be used to push the object in the placement frame 318 out, thereby improving the unloading efficiency.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An automatic lifting mechanism for a stacker, comprising a base (1), characterized in that: A lifting mechanism (3) is arranged on the top of the base (1), a counterweight block (2) is fixedly connected to the rear side of the lifting mechanism (3), and a limiting mechanism (4) is arranged on the bottom of the base (1); The lifting mechanism (3) comprises a lifting component (31) and a fixing component (32), wherein the lifting component (31) is arranged on the top of the base (1), and the fixing component (32) is arranged on the inner side of the lifting component (31); The lifting assembly (31) comprises a load-bearing frame (312), wherein the load-bearing frame (312) is fixedly connected to the top of the base (1), a dual-axis motor (315) is fixedly connected to the top of the load-bearing frame (312), a worm (314) is fixedly connected to the left and right sides of the dual-axis motor (315), a worm wheel (313) is meshed at the front side of the worm (314), a one-way threaded rod (311) is fixedly connected inside the worm wheel (313), and the one-way threaded rod (311) is rotatably connected to the load-bearing frame ( 312), the outer periphery of the one-way threaded rod (311) is threadedly connected to a load-bearing block (317), the left side of the load-bearing block (317) is slidably connected to the inner side of the load-bearing frame (312), the front side of the load-bearing block (317) is fixedly connected to a placement frame (318), the rear side of the placement frame (318) is fixedly connected to a first cylinder (319), the front side of the first cylinder (319) is fixedly connected to a push plate (3191), and the bottom of the placement frame (318) is fixedly connected to a limiting block (316).

2. The automatic lifting mechanism for a stacker according to claim 1, characterized in that: The bottom of the one-way threaded rod (311) is rotatably connected to the bottom of the inner side of the load-bearing frame (312). A sliding groove is provided on the inner side of the load-bearing frame (312), and the left side of the load-bearing block (317) is slidably connected in the sliding groove.

3. The automatic lifting mechanism for a stacker according to claim 1, characterized in that: The bottom of the limit block (316) is circular in shape, and a wear-resistant pad is provided at the bottom of the limit block (316).

4. The automatic lifting mechanism for a stacker according to claim 1, characterized in that: The fixing assembly (32) comprises a servo motor (321), the servo motor (321) is fixedly connected to the left side of the placement frame (318), the right side of the servo motor (321) is fixedly connected to a bidirectional threaded rod (323), the right side of the bidirectional threaded rod (323) is rotatably connected to the inside of the placement frame (318), the outer periphery of the bidirectional threaded rod (323) is threadedly connected to a thread block (324), and the top of the thread block (324) is fixedly connected to a fixing plate (322).

5. The automatic lifting mechanism for a stacker according to claim 4, characterized in that: The bottom inner side of the placement frame (318) is provided with a movable groove, the threaded block (324) is slidably connected in the movable groove, and a rubber pad is provided on the right side of the fixing plate (322).

6. The automatic lifting mechanism for a stacker according to claim 1, characterized in that: The limiting mechanism (4) comprises a second cylinder (41), the bottom of the second cylinder (41) is fixedly connected to a mounting plate (42), the bottom of the mounting plate (42) is fixedly connected to a universal wheel (44), the universal wheel (44) is slidably connected to the inside of the base (1), and the left and right sides of the mounting plate (42) are fixedly connected to sliders (43), and the sliders (43) are slidably connected to the inside of the base (1).

7. The automatic lifting mechanism for a stacker according to claim 6, characterized in that: A limiting groove and a rectangular groove are respectively provided inside the base (1), and the universal wheel (44) and the sliding block (43) are respectively slidably connected in the limiting groove and the rectangular groove.

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