Single-arm palletizing elevator
By designing a single-arm palletizing elevator, adopting a simplified structure and replaceable clamps, the problems of complex structure, large footprint, and poor stability of existing palletizing elevators are solved, realizing efficient, flexible material handling and adaptability of the equipment.
Patent Information
- Application Number
- CN202521727022.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-13
- Publication Date
- 2026-08-04
- Estimated Expiration
- 2035-08-13
AI Technical Summary
Existing palletizing elevators are complex in structure, occupy a large area, have poor stability and low adaptability, making it difficult to meet diverse production needs.
Design a single-arm palletizing and lifting machine with a simplified structure, including a base, arm assembly, column and end effector. Utilize a slewing support, chain drive and servo motor control, combined with replaceable grippers on the end effector, to achieve flexible material handling.
The equipment structure is simplified, the cost and maintenance difficulty are reduced, the versatility and flexibility of the equipment are improved, it is suitable for production workshops with limited space, and the replaceable end clamps meet the needs of different materials.
Smart Images

Figure CN224589874U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of palletizing equipment technology, specifically to a single-arm palletizing and lifting machine. Background Technology
[0002] With the rapid development of the manufacturing industry and the continuous expansion of warehousing and logistics, more stringent requirements have been placed on the efficiency, stability, and space utilization of palletizing and lifting equipment. Most palletizing and lifting machines currently in use have numerous problems. For example, multi-arm palletizers have complex structures, large footprints, high equipment costs, and are difficult to coordinate and control between arms, making them prone to malfunctions. Some simple lifting devices have limited functionality, only capable of vertically lifting materials and unable to perform precise palletizing operations, making it difficult to meet diverse production needs. Most palletizing and lifting machines have poor adaptability when dealing with materials of different sizes, shapes, and weights, often requiring equipment replacement or complex adjustments. Utility Model Content
[0003] This invention provides a single-arm palletizing and lifting machine, which solves the problems of existing palletizing and lifting equipment such as complex structure, large footprint, poor stability, and low adaptability.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A single-arm palletizing and lifting machine includes a base, an arm assembly, a column, and an end effector. A slewing support is installed at the base, and the bottom of the column is installed at the output end of the slewing support. The arm assembly includes arm assembly one and arm assembly two, which are connected. The end effector is installed at the end of arm assembly two.
[0006] The front end of the column is equipped with two vertically arranged guide rails. The top and bottom of the column are equipped with two sets of sprockets. The upper sprocket is connected to the lower sprocket by a chain. The two sprockets at the top are connected to the output end of the worm gear reducer. The worm gear reducer is connected to the servo motor. One end of the lever arm assembly is equipped with a slider, which is slidably connected to the guide rail. The rear end of the lever arm assembly is connected to two chains.
[0007] Preferably, the lever arm assembly one includes a slider mounting plate one, with sliders mounted on both sides of the slider mounting plate one, and two lever arm support plates one mounted on the other side of the slider mounting plate one. The front ends of the two lever arm support plates one are connected, and a motor mounting plate one is mounted between the two lever arm support plates one. A motor one is mounted on one of the motor mounting plates, with the output end of the motor one facing downwards, and the output end of the motor one is connected to the lever arm assembly two.
[0008] Preferably, a second lever arm support plate is installed at the bottom of the two lever arm support plates one, and a support frame one is installed at the bottom of the lever arm support plates one and the motor mounting plate one. The support frame one includes a support top plate, a support longitudinal plate and two support connecting plates. The support connecting plates connect the support top plate and the support longitudinal plate. The support top plate is perpendicular to the support longitudinal plate. The support top plate is connected to the bottom of the motor mounting plate one, and the two ends of the support longitudinal plate are connected to the lever arm support plates one.
[0009] Preferably, the lever arm assembly two includes two upper lever arm plates and two side lever arm plates, with the two side lever arm plates connected to the two upper lever arm plates and the two side lever arm plates being parallel.
[0010] Preferably, a connecting block is installed at the output end of motor one, and the connecting block one is connected to one end of the upper plates of the two lever arms and the side plates of the two lever arms.
[0011] Preferably, a motor mounting block is installed at the other end of the two upper lever arms and the two side lever arms. The motor is installed at the motor connecting block, and the output end of the motor is connected to the top of the end effector.
[0012] Preferably, the end effector includes an execution connection plate, the four corners of which are connected to a fixture mounting plate via connecting posts, and the fixture is mounted on the bottom of the fixture mounting plate.
[0013] Preferably, the top of the connecting column is fixedly connected to the clamp mounting plate, a guide sleeve corresponding to the connecting column is installed on the execution connecting plate, the upper end of the connecting column passes through the guide sleeve, a limiting ring is provided at the top of the connecting column, and a spring is installed between the execution connecting plate and the clamp mounting plate.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This invention simplifies the equipment structure, reduces the number of parts, lowers manufacturing costs and maintenance difficulty, and has a small footprint, making it suitable for production workshops and warehouses with limited space. The replaceable end grippers can meet the handling needs of different materials, improving the equipment's versatility and flexibility. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of an embodiment of the present utility model.
[0017] Figure 2 This is a front view of an embodiment of this utility model.
[0018] Figure 3 yes Figure 2 Enlarged diagram of point A in the middle.
[0019] Figure 4 This is a partial schematic diagram of an embodiment of the present utility model.
[0020] Figure 5 This is a partial schematic diagram of an embodiment of the present utility model.
[0021] Figure 6 This is a front view of the column in an embodiment of this utility model.
[0022] Figure 7 yes Figure 6 BB section view.
[0023] Figure 8 This is a schematic diagram of the counterweight component in an embodiment of this utility model.
[0024] Figure 9 This is a front view of the counterweight component in an embodiment of this utility model.
[0025] Figure 10 This is a top view of the counterweight component in an embodiment of this utility model. Detailed Implementation
[0026] 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.
[0027] As shown in the figure, this utility model discloses a single-arm palletizing and lifting machine, including a base 1, an arm assembly 2, a column 3 and an end effector 4. A slewing support 5 is installed at the base 1, and the bottom of the column 3 is installed at the output end of the slewing support 5. The arm assembly 2 includes an arm assembly 6 and an arm assembly 7. The arm assembly 6 is connected to the arm assembly 7, and the end effector 4 is installed at the end of the arm assembly 7.
[0028] The front end of the column 3 is equipped with two vertically arranged guide rails 31. The top and bottom of the column 3 are equipped with two sets of sprockets 32. The upper sprocket 32 is connected to the lower sprocket 32 by a chain 33. The two sprockets 32 at the top are connected to the output end of the reducer 34. The reducer 34 is connected to the servo motor 36. The reducer 34 is model NMRW090-25. One end of the lever arm assembly 6 is equipped with a slider 61. The slider 61 is slidably connected to the guide rails 31. The rear end of the lever arm assembly 6 is connected to two chains 33.
[0029] The external gear module of the slewing bearing 5 is 5, and the number of teeth is 93.
[0030] In one embodiment of this utility model, the lever arm assembly 6 includes a slider mounting plate 62, a slider 61 is mounted on both sides of the slider mounting plate 62, two lever arm support plates 63 are mounted on the other side of the slider mounting plate 62, the front ends of the two lever arm support plates 63 are connected, a motor mounting plate 64 is mounted between the two lever arm support plates 63, a motor 65 is mounted at the motor mounting plate 64, the output end of the motor 65 faces downward, and the output end of the motor 65 is connected to the lever arm assembly 7.
[0031] This utility model only has one column 3, which is convenient for installation in a small space. The column 3 can rotate 360 degrees through the slewing support 5. The lever arm assembly 2 consists of lever arm assembly one 6 and lever arm assembly two 7, which can rotate in the horizontal direction for fine adjustment.
[0032] The lever arm assembly 2 can be driven by a chain to achieve vertical lifting. Therefore, this invention can rotate 360 degrees within a small space. The end position of the lever arm assembly 2, i.e., the connection point with the end effector 4, can be adjusted horizontally to move the end effector 4 to the target position. The end effector 4 can be equipped with corresponding clamps, such as mechanical grippers or fork grippers, as needed.
[0033] In one embodiment of this utility model, a second arm support plate 66 is installed at the bottom of two first arm support plates 64. A support frame 67 is installed at the bottom of the first arm support plate 63 and the motor mounting plate 64. The support frame 67 includes a top support plate 671, a longitudinal support plate 672, and two connecting support plates 673. The connecting support plates 673 connect the top support plate 671 and the longitudinal support plate 672. The top support plate 671 is perpendicular to the longitudinal support plate 672. The top support plate 671 is connected to the bottom of the motor mounting plate 64. The two ends of the longitudinal support plate 672 are connected to the first arm support plate 63. The support frame 67 serves to support the second arm assembly 7 and protect the first arm assembly 6.
[0034] In one embodiment of this utility model, the lever arm assembly 7 includes two upper lever arm plates 71 and two side lever arm plates 72. Both side lever arm plates 72 are connected to the two upper lever arm plates 71. The two upper lever arm plates 71 are vertically distributed, and the two side lever arm plates 72 are parallel. The lever arm assembly 7 primarily functions as an end effector 4.
[0035] In one embodiment of this utility model, a connecting block 8 is installed at the output end of the motor 65, and the connecting block 8 is connected to one end of the two upper plates 71 of the lever arms and the two side plates 72 of the lever arms.
[0036] In one embodiment of this utility model, a motor mounting block 9 is installed at the other end of the two upper lever arm plates 71 and the two side lever arm plates 72. A motor 10 is installed at the motor connecting block 9, and the output end of the motor 10 is connected to the top of the end effector 4. The motor 10 can perform horizontal rotational fine adjustment of the position of the end effector 4.
[0037] In one embodiment of the present invention, the end effector 4 includes an execution connection plate 41, the four corners of which are connected to a clamp mounting plate 43 via connecting posts 42, and the clamp 11 is mounted on the bottom of the clamp mounting plate 43.
[0038] In one embodiment of this utility model, the bottom of the connecting post 42 is fixedly connected to the clamp mounting plate 43. A spring 44 is installed between the bottom of the execution connecting plate 41 and the clamp mounting plate 43. A limiting ring 45 is provided at the top of the connecting post 42. The connecting post 42 passes through the execution connecting plate 41, and the execution connecting plate 41 is located at the lower end of the limiting ring 45. The connecting post 42 passes through the spring 44. Due to the action of the spring 44, the execution connecting plate 41 can be adaptively adjusted in the vertical direction. The spring 44 here allows the clamp 11 to be flexibly connected to the object to be clamped, reducing damage to the object.
[0039] It also includes a counterweight assembly 12, the upper end of which is connected to two chains 33. The performance of the counterweight assembly directly affects the overall stability of the hoist. The main function of the counterweight assembly is to balance the huge torque generated by the hoist during operation, offset part of the gravity, reduce the motor load, and ensure the stability of the equipment during the hoisting of heavy loads.
[0040] The counterweight assembly 12 includes a hanging plate 121, a base plate 122, and two side plates 123. The two side plates 123 connect the hanging plate 121 and the base plate 211. Multiple counterweight blocks 124 are installed within the space enclosed by the hanging plate 121, base plate 122, and two side plates 123. Vertically arranged guide blocks 125 are installed at each of the two side plates 123. A guide plate 35 is installed inside the column 3, passing through a guide groove 1251 in the middle of the guide block 125. The guide blocks 125 allow the counterweight assembly 12 to move stably. Several buffer pads 126 are installed at the bottom of the base plate 122. The buffer pads are made of PU and have functions such as cushioning and shock absorption, reducing dynamic impact, reducing wear and tear, and improving structural adaptability.
[0041] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.
Claims
1. Single-arm palletizing crane, characterized in that: It includes a base, a lever arm assembly, a column, and an end effector. A slewing support is installed at the base, and the bottom of the column is installed at the output end of the slewing support. The lever arm assembly includes lever arm assembly one and lever arm assembly two, which are connected. The end effector is installed at the end of lever arm assembly two. The front end of the column is equipped with two vertically arranged guide rails. The top and bottom of the column are equipped with two sets of sprockets. The upper sprocket is connected to the lower sprocket by a chain. The two sprockets at the top are connected to the output end of the worm gear reducer. The worm gear reducer is connected to the servo motor. One end of the lever arm assembly is equipped with a slider, which is slidably connected to the guide rail. The rear end of the lever arm assembly is connected to two chains.
2. The single-arm stacker crane according to claim 1, characterized in that: The lever arm assembly one includes a slider mounting plate one, with sliders mounted on both sides of the slider mounting plate one. Two lever arm support plates one are mounted on the other side of the slider mounting plate one. The front ends of the two lever arm support plates one are connected. A motor mounting plate one is mounted between the two lever arm support plates one. A motor one is mounted on one of the motor mounting plates. The output end of the motor one faces downward and is connected to the lever arm assembly two.
3. The single-arm stacker crane according to claim 2, characterized in that: Two lever arm support plates are installed at the bottom of the first lever arm support plate. A support frame is installed at the bottom of the first lever arm support plate and the first motor mounting plate. The support frame includes a top support plate, a longitudinal support plate, and two connecting support plates. The connecting support plates connect the top support plate and the longitudinal support plate. The top support plate is perpendicular to the longitudinal support plate. The top support plate is connected to the bottom of the first motor mounting plate. The two ends of the longitudinal support plate are connected to the first lever arm support plate.
4. The single-arm palletizing and lifting machine according to claim 2, characterized in that: The lever arm assembly 2 includes two upper lever arm plates and two side lever arm plates. The two side lever arm plates are connected to the two upper lever arm plates and are parallel to each other.
5. The single-arm palletizing and lifting machine according to claim 4, characterized in that: A connecting block is installed at the output end of motor one, and the connecting block one is connected to one end of the upper plate of the two lever arms and the side plate of the two lever arms.
6. The single-arm palletizing and lifting machine according to claim 4, characterized in that: Motor 2 mounting blocks are installed at the other ends of the two upper lever arms and the two side lever arms. Motor 2 is installed at the motor 2 connecting block, and the output end of motor 2 is connected to the top of the end effector.
7. The single-arm palletizing and lifting machine according to claim 1, characterized in that: The end effector includes an execution connection plate, the four corners of which are connected to a fixture mounting plate via connecting posts, and the fixture is mounted on the bottom of the fixture mounting plate.
8. The single-arm palletizing and lifting machine according to claim 7, characterized in that: The top of the connecting column is fixedly connected to the fixture mounting plate. A guide sleeve corresponding to the connecting column is installed on the actuator connecting plate. The upper end of the connecting column passes through the guide sleeve. A limit ring is provided at the top of the connecting column. A spring is installed between the actuator connecting plate and the fixture mounting plate.
9. The single-arm palletizing and lifting machine according to claim 1, characterized in that: It also includes a counterweight assembly, the upper end of which is connected to two chains.
10. The single-arm palletizing and lifting machine according to claim 9, characterized in that: The counterweight assembly includes a hanging plate, a base plate, and two side plates. The two side plates connect the hanging plate and the base plate. Multiple counterweight blocks are installed in the space enclosed by the hanging plate, the base plate, and the two side plates. Vertically arranged guide blocks are installed at both side plates. Guide plates are installed inside the column and pass through the guide groove in the middle of the guide blocks. Several buffer pads are installed at the bottom of the base plate.