Electric lift transfer cart

Abstract

The utility model relates to an electric lifting transfer trolley, include: frame, including frame body, wheel group and with handle, drive assembly, including first drive part and first transmission part, support assembly, including with support base, a pair of limit board and limiting piece along first direction set up on support base, support base can be driven and moves up and down by drive part, a pair of limit board forms support space between, for supporting work piece, limiting piece has open state and limit state, in open state, the orthographic projection of limiting piece does not coincide with support space, in limit state, the orthographic projection of limiting piece coincides with at least partial support space, drive assembly drives support assembly to move up and down relative to frame to realize with different height's connection platform, promotes efficiency, in limit state when limiting piece, the orthographic projection of limiting piece coincides with at least partial support space, thereby realizes to the work piece in support space and carries out limit, prevents the slippage, overturning or falling of work piece.

Description

Technical Field

[0001] This utility model relates to the field of PCBA workpiece transfer technology, specifically to an electric lifting transfer vehicle. Background Technology

[0002] In the PCBA (Printed Circuit Board Assembly) manufacturing and testing process, PCBA components typically require frequent transfer between different processes or equipment. Traditional transfer methods mainly include manual handling, flatbed trolleys, conveyor belts, or simple lifting platforms. Among these methods, manual handling and flatbed trolleys are inefficient, labor-intensive, and prone to damage; conveyor belts have poor flexibility and occupy a large space; and while simple lifting platforms can raise and lower components, they lack dedicated limit switches, making it easy for components to slip, collide, and have low docking accuracy. These methods fail to meet the comprehensive requirements of flexible multi-process production for precise height docking, component protection, and convenient operation.

[0003] Therefore, it is necessary to improve the existing technology to overcome the aforementioned defects. Utility Model Content

[0004] In view of this, the present application provides an electric lifting transfer vehicle to solve at least one problem existing in the prior art, comprising: A frame, including a frame body, a wheel assembly connected to the frame body, and a handlebar connected to the frame body; The drive assembly includes a first drive member disposed on the vehicle frame and a first transmission member connected to the first drive member; The support assembly includes a support base connected to the first transmission member, a pair of limiting plates disposed on the support base along a first direction, and a limiting member disposed on the limiting plates. The support base can be driven by the driving member to move up and down. A support space is formed between the pair of limiting plates for supporting a workpiece. The limiting member has an open state and a limited state. When in the open state, the orthographic projection of the limiting member does not coincide with the support space. When in the limited state, the orthographic projection of the limiting member coincides with at least a portion of the support space.

[0005] Optionally, in the above-mentioned electric lifting transfer vehicle, the limiting plate is provided with a connecting part, the limiting member is rotatably connected to the connecting part, and the limiting member can rotate in a first direction.

[0006] Optionally, in the above-mentioned electric lifting transfer vehicle, the limiting plate includes a fixed limiting plate located near the handle and a movable limiting plate located away from the handle. The movable limiting plate can move closer to or further away from the fixed limiting plate under the action of external force to change the width of the supporting space.

[0007] Optionally, in the above-mentioned electric lifting transfer vehicle, the drive assembly further includes a slider connected to the movable limiting plate and a sliding rod arranged along a first direction. Under the action of an external force, the movable limiting plate can move closer to or away from the fixed limiting plate under the action of the slider and the sliding rod.

[0008] Optionally, in the above-mentioned electric lifting transfer vehicle, the supporting assembly further includes a plurality of rolling components disposed on the supporting base along the second direction, and the plurality of rolling components are detachably disposed from the supporting base.

[0009] Optionally, in the above-mentioned electric lifting transfer vehicle, the rolling component includes a connecting seat connected to the supporting base, two mounting plates connected to the connecting seat, and a plurality of rolling wheels installed between the two mounting plates. The plurality of rolling wheels are arranged along a second direction, and each rolling wheel extends along a first direction.

[0010] Optionally, in the above-mentioned electric lifting transfer vehicle, the drive assembly further includes a sprocket connected to the first transmission member and a chain wound around the sprocket and connected to the support base. The first drive member can drive the first transmission member to move up and down so as to drive the support assembly to move up and down through the sprocket and the chain.

[0011] Optionally, the electric lifting transfer vehicle described above further includes a connecting assembly, which includes a connecting frame and a connecting rod, the connecting rod being connected to the chain.

[0012] Optionally, in the above-mentioned electric lifting transfer vehicle, the handle further includes a guide column; The connecting frame is also provided with a first guide wheel and a second guide wheel, which are located on both sides of the guide post. Both the first guide wheel and the second guide wheel have guide grooves that are adapted to the guide post.

[0013] Optionally, in the above-mentioned electric lifting transfer vehicle, the first guide wheel and the second guide wheel are staggered vertically.

[0014] Compared with the prior art, this application has the following beneficial effects: by setting a frame, setting a drive assembly on the frame and a support assembly connected to the drive assembly, the drive assembly can drive the support assembly to move up and down relative to the frame, so as to realize the connection with docking platforms of different heights, eliminating manual repeated lifting or raising, and improving efficiency; and the support assembly includes a support base and a pair of limiting plates and a limiting member set on the base along a first direction. The limiting member can have an open state and a limited state. When the limiting member is in the limited state, the orthographic projection of the limiting member coincides with at least part of the support space, thereby limiting the workpiece in the support space and preventing the workpiece from slipping, overturning or falling. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the electric lifting and transfer vehicle shown in this application; Figure 2 for Figure 1 A partial schematic diagram of the electric lifting and transfer vehicle shown; Figure 3 for Figure 1 Another partial schematic diagram of the electric lifting transfer vehicle shown; Figure 4 for Figure 3 The diagram shows a cross-sectional view of the electric lifting transfer vehicle.

[0016] Figure label: Frame 1, body 11, wheel set 12, wheel 121, mounting sleeve 122, handle 13, guide post 131; Drive assembly 2, first drive component 21, first transmission component 22, slider 23, slide bar 231, sprocket 24, chain 25; Support component 3, support base 31, limiting plate 32, connecting part 321, fixed limiting plate 322, movable limiting plate 323, limiting component 33, support space 34, rolling component 35, connecting seat 351, mounting plate 352, rolling wheel 353; Connecting component 4, connecting bracket 41, connecting rod 42, first guide wheel 43, second guide wheel 44, guide groove 45. Detailed Implementation

[0017] The exemplary embodiments disclosed in this application will now be described in more detail. Numerous specific details are set forth in the following description to provide a more thorough understanding of this application. However, it will be apparent to those skilled in the art that this application can be implemented without one or more of these details. In other instances, to avoid confusion with this application, some technical features well-known in the art have not been described; that is, not all features of actual embodiments are described herein, nor are well-known functions and structures described in detail.

[0018] It should be understood that when an element or layer is referred to as "on," "adjacent to," "connected to," or "coupled to" other elements or layers, it may be directly on, adjacent to, connected to, or coupled to other elements or layers, or there may be intervening elements or layers. Conversely, when an element is referred to as "directly on," "directly adjacent to," "directly connected to," or "directly coupled to" other elements or layers, there are no intervening elements or layers. It should be understood that although the terms first, second, third, etc., may be used to describe various elements, components, areas, layers, and / or portions, these elements, components, areas, layers, and / or portions should not be limited by these terms. These terms are only used to distinguish one element, component, area, layer, or portion from another element, component, area, layer, or portion. Therefore, without departing from the teachings of this application, the first element, component, area, layer, or portion discussed below may be referred to as a second element, component, area, layer, or portion. And the discussion of a second element, component, area, layer, or portion does not imply that the first element, component, area, layer, or portion necessarily exists in this application.

[0019] Spatial relation terms such as “below,” “under,” “below,” “under,” “above,” “above,” etc., are used here for convenience to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms are intended to also include different orientations of devices in use and operation.

[0020] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of this application. When used herein, the singular forms “a,” “an,” and “ / the” are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “compose” and / or “comprising,” when used in this specification, identify the presence of features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups. When used herein, the term “and / or” includes any and all combinations of the associated listed items.

[0021] To fully understand this application, detailed steps and structures will be presented in the following description to illustrate the technical solution of this application. Preferred embodiments of this application are described in detail below; however, in addition to these detailed descriptions, this application may have other implementation methods.

[0022] Please refer to Figures 1-4As shown in the preferred embodiment of this application, an electric lifting and transfer vehicle is suitable for supporting and transferring workpieces, such as PCBA fixtures. The electric transfer vehicle includes a frame 1, a drive assembly 2, and a support assembly 3. The frame 1 includes a body 11, a wheel set 12 connected to the body 11, and a handle 13 connected to the body 11. The drive assembly 2 includes a first drive member 21 mounted on the frame 1 and a first transmission member 22 connected to the first drive member 21. The support assembly 3 includes a support base 31 connected to the first transmission member 22, a pair of limiting plates 32 mounted on the base along a first direction, and limiting members 33 mounted on the limiting plates 32. The support base 31 can be driven up and down by the drive member. A support space 34 is formed between the pair of limiting plates 32 for supporting workpieces. The limiting member 33 has an open state and a limited state. When in the open state, the orthographic projection of the limiting member 33 does not coincide with the support space 34; when in the limited state, the orthographic projection of the limiting member 33 coincides with at least a portion of the support space 34.

[0023] Understandably, by providing a drive assembly 2 on the frame 1, the drive assembly 2 can drive the support base 31 of the support assembly 3 to move up and down, thereby achieving automatic lifting and lowering of the workpiece, reducing labor costs, and improving transfer efficiency.

[0024] Understandably, by providing a pair of limiting plates 32 and limiting members 33 on the supporting base 31, the limiting plates 32 can limit the workpiece in the supporting space 34 in a first direction. The limiting members 33 have an open state and a limiting state. When the limiting members 33 are in the open state, the orthographic projection of the limiting members 33 does not coincide with the supporting space 34, making it easy to put the workpiece into the supporting space 34. When the limiting members 33 are in the limiting state, the orthographic projection of the limiting members 33 coincides with at least part of the supporting space 34, so as to fix the workpiece in the supporting space 34 in the vertical direction, thereby preventing the workpiece from being bumped or falling.

[0025] Specifically, in this embodiment, the limiting plate 32 is provided with a connecting part 3231, and the limiting member 33 is rotatably connected to the connecting part 3231. The limiting member 33 can rotate in the first direction to realize the switching between the open state and the limiting state.

[0026] In this embodiment, the wheel set 12 includes a wheel 121 and a mounting sleeve 122. The wheel set 12 is detachably connected to the frame 1 through the mounting sleeve 122 to facilitate the replacement of the wheel set 12.

[0027] Furthermore, the limiting plate 32 includes a fixed limiting plate 322 disposed near the handle 13 and a movable limiting plate 323 disposed away from the handle 13. The movable limiting plate 323 can move closer to or further away from the fixed limiting plate 322 under the action of external force to change the width of the supporting space 34, thereby accommodating workpieces of different sizes.

[0028] Furthermore, the drive assembly 2 also includes a slider 23 connected to the movable limiting plate 323 and a sliding rod 231 arranged along the first direction. Under the action of external force, the movable limiting plate 323 can move closer to or further away from the fixed limiting plate 322, which can save effort and ensure the parallelism of both sides.

[0029] Furthermore, the support assembly 3 also includes a plurality of rolling members 35 disposed on the support base 31 along the second direction, the plurality of rolling members 35 being detachably disposed from the support base 31. Specifically, the rolling member 35 includes a connecting seat 351 connected to the support base 31, two mounting plates 352 connected to the connecting seat 351, and a plurality of rolling wheels 353 mounted between the two mounting plates 352, the plurality of rolling wheels 353 being arranged along the second direction, and each rolling wheel 353 extending along the first direction.

[0030] Understandably, the detachable rolling component 35 transforms sliding friction into rolling friction, significantly reducing the resistance when the workpiece is pushed into / out of the support space 34, thus preventing scratches on its bottom.

[0031] Furthermore, the drive assembly 2 also includes a sprocket 24 connected to the first transmission member 22 and a chain 25 wound around the sprocket 24 and connected to the support base 31. The first drive member 21 can drive the first transmission member 22 to move up and down, thereby driving the support assembly 3 to move up and down through the sprocket 24 and the chain 25. In other embodiments, other drive structures and transmission structures can also be used to drive the support base 31 to move up and down. The specific drive method is not limited here. For example, it can also be a cylinder or an electric cylinder.

[0032] In this embodiment, the transfer vehicle also includes a connecting component 4, which includes a connecting frame 41 and a connecting rod 42. The connecting rod 42 is connected to the chain 25 so that the first driving component 21 can drive the first transmission component 22 and drive the connecting rod 42 to move up and down under the action of the chain 25 sprocket 24, thereby driving the support base 31 to move up and down. The purpose of this arrangement is that the connecting component 4 evenly transmits the tension of the chain 25 to the support base 31, avoids deformation due to single-point force, ensures a smooth lifting process without shaking, and extends the service life of the whole machine.

[0033] Furthermore, the handle 13 also includes a guide post 131; the connecting frame 41 is also provided with a first guide wheel 43 and a second guide wheel 44, the first guide wheel 43 and the second guide wheel 44 are respectively located on both sides of the guide post 131, and both the first guide wheel 43 and the second guide wheel 44 have guide grooves 45 that are adapted to the guide post 131.

[0034] Understandably, the first guide wheel 43 and the second guide wheel 44 clamp the guide post 131 to form a "rolling guide rail", which eliminates lifting sway and wobbling, further improves docking accuracy and reduces lateral wear of the chain 25.

[0035] Furthermore, the first guide wheel 43 and the second guide wheel 44 are staggered vertically to increase the guide length within a limited space, improve the anti-overturning ability, and at the same time reduce the overall thickness, making the whole vehicle more compact.

[0036] The above is only one specific implementation of this application, and any other improvements made based on the concept of this application shall be considered within the scope of protection of this application.

Claims

1. An electric lifting and transfer vehicle, characterized in that, include: A frame, including a frame body, a wheel assembly connected to the frame body, and a handlebar connected to the frame body; The drive assembly includes a first drive member disposed on the vehicle frame and a first transmission member connected to the first drive member; The support assembly includes a support base connected to the first transmission member, a pair of limiting plates disposed on the support base along a first direction, and a limiting member disposed on the limiting plates. The support base can be driven by the driving member to move up and down. A support space is formed between the pair of limiting plates for supporting a workpiece. The limiting member has an open state and a limited state. When in the open state, the orthographic projection of the limiting member does not coincide with the support space. When in the limited state, the orthographic projection of the limiting member coincides with at least a portion of the support space.

2. The electric lifting transfer vehicle according to claim 1, characterized in that, The limiting plate is provided with a connecting part, and the limiting member is rotatably connected to the connecting part, and the limiting member can rotate in a first direction.

3. The electric lifting transfer vehicle according to claim 1, characterized in that, The limiting plate includes a fixed limiting plate located near the handle and a movable limiting plate located away from the handle. The movable limiting plate can move closer to or further away from the fixed limiting plate under the action of external force to change the width of the supporting space.

4. The electric lifting transfer vehicle according to claim 3, characterized in that, The driving assembly also includes a slider connected to the movable limiting plate and a sliding rod arranged along the first direction. Under the action of an external force, the movable limiting plate can move closer to or away from the fixed limiting plate.

5. The electric lifting transfer vehicle according to claim 4, characterized in that, The support assembly further includes a plurality of rolling components disposed on the support base along a second direction, and the plurality of rolling components are detachably disposed from the support base.

6. The electric lifting transfer vehicle according to claim 5, characterized in that, The rolling component includes a connecting seat connected to the supporting base, two mounting plates connected to the connecting seat, and a plurality of rolling wheels installed between the two mounting plates. The plurality of rolling wheels are arranged along a second direction, and each rolling wheel extends along a first direction.

7. The electric lifting transfer vehicle according to claim 1, characterized in that, The drive assembly further includes a sprocket connected to the first transmission member and a chain wound around the sprocket and connected to the support base. The first drive member can drive the first transmission member to move up and down so as to drive the support assembly to move up and down through the sprocket and the chain.

8. The electric lifting transfer vehicle according to claim 7, characterized in that, The transfer vehicle also includes a connecting assembly, which includes a connecting frame and a connecting rod, the connecting rod being connected to the chain.

9. The electric lifting transfer vehicle according to claim 8, characterized in that, The handle also includes a guide post; The connecting frame is also provided with a first guide wheel and a second guide wheel, which are located on both sides of the guide post. Both the first guide wheel and the second guide wheel have guide grooves that are adapted to the guide post.

10. The electric lifting transfer vehicle according to claim 9, characterized in that, The first guide wheel and the second guide wheel are staggered vertically.

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