Pre-positioning conveying trolley for liquid crystal display panel
By designing the LCD panel pre-positioning conveying cart and using guide units and positioning blocks to achieve automated pre-positioning, the existing LCD panel transportation methods and poor positioning effects are solved, efficiency and accuracy are improved, and labor costs are reduced.
Patent Information
- Application Number
- CN202420390853.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The conveying methods of existing LCD panels are complex in operation, large labor workload, high cost, and poor positioning effect, resulting in low efficiency.
A pre-positioning conveying cart for liquid crystal panels is designed, including a fixing frame, a walking frame and a positioning mechanism. It uses components such as guide units, guide rollers, positioning blocks and limit drives to realize automated pre-positioning and stable conveying.
It significantly reduces labor costs, improves positioning efficiency and accuracy, adapts to different specifications of LCD panels, and enhances the stability of the walking rack and loading.
Smart Images
Figure CN222347075U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of liquid crystal panel conveying, in particular to a pre-positioning conveying trolley for liquid crystal panels. Background Art
[0002] The LCD screen is mainly composed of backlight and LCD panel. The LCD panel (Open cell) is just a component of the LCD screen. The quality of an LCD display depends on its panel. The quality of the panel directly affects the viewing effect of the picture. In addition, the LCD TV panel accounts for more than half of the cost of the whole machine, which is the main factor affecting the cost of LCD TV.
[0003] At present, the existing LCD panels are mostly transported by forklifts that move the stacked LCD panels onto a cart, which is then manually pushed to the loading location. After loading, the LCD panels on the cart need to be pre-positioned manually. The positioned LCD panels are then adsorbed by a specific conveying device and transported to a designated processing location for subsequent operations. Obviously, the existing LCD panel transportation method is not only complicated to operate, with a large manual workload and high labor costs, but also has low transportation efficiency and poor pre-positioning effect, which urgently needs to be solved. Utility Model Content
[0004] The utility model aims to provide a pre-positioning conveying trolley for a liquid crystal panel, so as to solve the problem of poor positioning effect caused by the manual handling of conventional liquid crystal panels in the prior art.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] A pre-positioning conveying trolley for a liquid crystal panel comprises a fixed frame, a traveling frame and a positioning mechanism, wherein:
[0007] The fixed frame has a walking cavity inside, the walking frame is arranged in the walking cavity so as to be reciprocatingly movable along a first direction, a first guide unit is laid on the bottom of the fixed frame along the first direction, a walking mechanism is detachably arranged on the bottom of the walking frame, and the walking frame moves in the walking cavity through the walking mechanism and along the first guide unit.
[0008] The traveling frame has a loading cavity, which is configured to carry a plurality of stacked liquid crystal panels. The positioning mechanism includes a positioning frame, a guide assembly and a positioning block. The positioning frame is fixedly arranged on a first side of the traveling frame. The positioning block can be arranged on the positioning frame along a second direction close to or away from the second side of the traveling frame to position or release the stacked liquid crystal panels in the loading cavity. The first end of the guide assembly is fixedly connected to the positioning block, and the second end of the guide assembly is passed through the positioning frame. The first direction is perpendicular to the second direction.
[0009] Furthermore, the first guide unit includes a plurality of first guide rollers, the plurality of first guide rollers are arranged at intervals along the first direction, and the plurality of first guide rollers are all rollably mounted on the bottom end of the fixing frame.
[0010] Furthermore, a plurality of second guide units are laid out along the first direction at the second end of the walking frame, and the second guide units include a plurality of second guide rollers, and the plurality of second guide rollers are arranged at intervals along the first direction, and the plurality of second guide rollers can be rotatably installed on the second side of the walking frame.
[0011] Furthermore, a limiting assembly is provided at the bottom end of the fixed frame on the opposite side of the first guide unit, and a limiting protrusion is provided at the bottom end of the traveling frame. After the traveling frame moves into position, the limiting assembly abuts against the limiting protrusion on both sides to limit the moving stroke of the traveling frame.
[0012] Furthermore, the limit assembly includes a limit frame, a limit drive and two limit members, the limit frame is fixedly mounted on the bottom end of the fixed frame, the fixed end of the limit drive is mounted on the limit frame, the movable end of the limit drive is connected to the two limit members, and the limit drive drives the two limit members to move synchronously along the second direction to limit and fix the limit protrusion on both sides.
[0013] Furthermore, the guide assembly includes four guide rods, and the four guide rods are symmetrically arranged at the four corners of the positioning frame.
[0014] Furthermore, the walking mechanism includes four universal wheels, and the four universal wheels are symmetrically arranged at the four corners of the bottom of the walking frame.
[0015] Compared with the prior art, the beneficial effects of the pre-positioning conveying trolley for the liquid crystal panel are as follows: a forklift places the stacked liquid crystal panels in the loading chamber, and the positioning block fixes the liquid crystal panels in the loading chamber for pre-positioning under the guiding action of the guide assembly. It is not only simple in structure and ingenious in design, but also eliminates manual handling. The positioning block is used for positioning, which greatly reduces labor costs, has high positioning efficiency and good effect, and can position liquid crystal panels of different specifications, further improving the adaptability of positioning; multiple first guide rollers are added, and the traveling frame moves close to the multiple first guide rollers, which significantly improves the moving stability of the traveling frame; multiple second guide rollers are added, and when loading, the stacked liquid crystal surfaces move close to the multiple second guide rollers, further improving the loading stability; a limit drive and two limit members are added, and the limit drive drives the two limit members to move synchronously, and the limit protrusions are fixed on both sides, further improving the positioning accuracy of the liquid crystal panel. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present invention, the following briefly introduces the background technology of the present invention and 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 ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0017] Figure 1 It is a three-dimensional structural schematic diagram of a pre-positioning conveying trolley for a liquid crystal panel provided by an embodiment of the utility model;
[0018] Figure 2 It is a three-dimensional structural schematic diagram of a fixing frame provided by an embodiment of the utility model;
[0019] Figure 3 It is a three-dimensional structural schematic diagram of a walking frame provided by an embodiment of the utility model. DETAILED DESCRIPTION
[0020] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.
[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings. The preferred embodiments of the utility model are given in the drawings. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thoroughly understood. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can also be a central component. When a component is considered to be "connected" to another component, it can be directly connected to another component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes and are not intended to be the only implementation method. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the utility model. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0022] See also Figures 1 to 3 As shown, in this embodiment, a pre-positioning conveying trolley for a liquid crystal panel includes a fixed frame 1, a traveling frame 2 and a positioning mechanism 3, wherein the fixed frame 1 has a traveling cavity 10 inside, and the traveling frame 2 is arranged in the traveling cavity 10 so as to be reciprocatingly movable along a first direction, and the bottom of the fixed frame 1 is arranged along the first direction ( Figure 1 The first guide unit is laid on the bottom of the traveling frame 2, and a traveling mechanism 4 can be detachably arranged. The traveling frame 2 moves in the traveling cavity 10 along the first guide unit through the traveling mechanism 4. The traveling frame 2 has a loading cavity, which is configured to carry a plurality of stacked liquid crystal panels 100. The positioning mechanism 3 includes a positioning frame 30, a guide assembly 31 and a positioning block 32. The positioning frame 30 is fixedly arranged on the first side of the traveling frame 2, and the positioning block 32 can move along the second direction ( Figure 1 The guide assembly 31 is arranged on the positioning frame 30 so as to be close to or away from the second side of the walking frame 2 (in the Y direction) to position or release the stacked liquid crystal panels 100 in the loading chamber. The first end of the guide assembly 31 is fixedly connected to the positioning block 32, and the second end of the guide assembly 31 is passed through the positioning frame 30.
[0023] It can be seen that the forklift places the stacked LCD panels 100 in the loading chamber, and the positioning block 32 fixes the LCD panel 100 in the loading chamber for pre-positioning under the guidance of the guide assembly 31. It not only has a simple structure and a clever design, but also eliminates manual handling. The positioning block 32 is used for positioning, which greatly reduces labor costs, has high positioning efficiency and good effects, and can position LCD panels 100 of different specifications, further improving the adaptability of positioning.
[0024] As an implementation manner, the first guide unit includes a plurality of first guide rollers 5 , the plurality of first guide rollers 5 are arranged at intervals along the first direction, and the plurality of first guide rollers 5 are all rotatably mounted on the bottom end of the fixing frame 1 .
[0025] Of course, as an implementation mode, two groups of first guide units are provided, and the two groups of first guide units are symmetrically arranged at opposite sides of the bottom of the fixing frame 1 .
[0026] It can be seen that by adding a plurality of first guide rollers 5 , the traveling frame 2 moves closely against the plurality of first guide rollers 5 , which significantly improves the movement stability of the traveling frame 2 .
[0027] As an embodiment, a plurality of second guide units are laid along the first direction at the second end of the walking frame 2, and the second guide units include a plurality of second guide rollers 6, and the plurality of second guide rollers 6 are arranged at intervals along the first direction, and the plurality of second guide rollers 6 can be rotatably installed on the second side of the walking frame 2.
[0028] It can be seen that by adding a plurality of second guide rollers 6, when loading, the stacked liquid crystal surfaces move close to the plurality of second guide rollers 6, which further improves the stability of loading.
[0029] As an embodiment, a limiting assembly 7 is provided at the bottom end of the fixed frame 1 on the opposite side of the first guide unit, and a limiting protrusion 21 is provided at the bottom end of the traveling frame 2. After the traveling frame 2 moves into position, the limiting assembly 7 abuts against the limiting protrusion 21 on both sides to limit the moving stroke of the traveling frame 2.
[0030] As an embodiment, the limit assembly 7 includes a limit frame 70, a limit driving member 71 and two limit members 72. The limit frame 70 is fixedly installed on the bottom end of the fixed frame 1, the fixed end of the limit driving member 71 is installed on the limit frame 70, the movable end of the limit driving member 71 is connected to the two limit members 72, and the limit driving member 71 drives the two limit members 72 to move synchronously along the second direction to limit and fix the limit protrusion 21 on both sides.
[0031] It can be seen that the limiting driving member 71 and the two limiting members 72 are additionally provided, and the limiting driving member 71 drives the two limiting members 72 to move synchronously, and the limiting protrusions 21 are limited and fixed on both sides, thereby further improving the positioning accuracy of the liquid crystal panel 100 .
[0032] As an implementation manner, the guide assembly 31 includes four guide rods, and the four guide rods are symmetrically arranged at four corners of the positioning frame 30 .
[0033] As an implementation manner, the traveling mechanism 4 includes four universal wheels 40 , and the four universal wheels 40 are symmetrically arranged at four corners of the bottom of the traveling frame 2 .
[0034] When the above-mentioned pre-positioning conveying trolley for LCD panels is working: a forklift places multiple stacked LCD panels 100 in the loading chamber of the walking frame 2, pushes the positioning block 32 to move to the other end, and positions the stacked LCD panels 100 in the loading chamber, and manually pushes the walking mechanism 4 into the walking chamber 10 along the first direction. When it is moved into place, the limit drive member 71 drives the two limit members 72 to move synchronously along the second direction to limit and fix the limit protrusions 21 on both sides to complete the pre-positioning.
[0035] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A pre-positioning conveying trolley for a liquid crystal panel, characterized in that: The pre-positioning conveying trolley for the liquid crystal panel comprises a fixed frame, a traveling frame and a positioning mechanism, wherein: The fixed frame has a walking cavity inside, the walking frame is arranged in the walking cavity so as to be reciprocatingly movable along a first direction, a first guide unit is laid on the bottom of the fixed frame along the first direction, a walking mechanism is detachably arranged on the bottom of the walking frame, and the walking frame moves in the walking cavity through the walking mechanism and along the first guide unit. The traveling frame has a loading cavity, which is configured to carry a plurality of stacked liquid crystal panels. The positioning mechanism includes a positioning frame, a guide assembly and a positioning block. The positioning frame is fixedly arranged on a first side of the traveling frame. The positioning block can be arranged on the positioning frame along a second direction close to or away from the second side of the traveling frame to position or release the stacked liquid crystal panels in the loading cavity. The first end of the guide assembly is fixedly connected to the positioning block, and the second end of the guide assembly is passed through the positioning frame. The first direction is perpendicular to the second direction.
2. The pre-positioning conveying trolley for liquid crystal panels according to claim 1, characterized in that: The first guide unit includes a plurality of first guide rollers, the plurality of first guide rollers are arranged at intervals along a first direction, and the plurality of first guide rollers are all rotatably mounted on the bottom end of the fixing frame.
3. The pre-positioning conveying trolley for liquid crystal panels according to claim 1, characterized in that: A plurality of second guide units are laid out along the first direction at the second end of the walking frame, and the second guide units include a plurality of second guide rollers, and the plurality of second guide rollers are arranged at intervals along the first direction, and the plurality of second guide rollers can be rotatably mounted on the second side of the walking frame.
4. The pre-positioning conveying trolley for liquid crystal panels according to claim 1, characterized in that: A limiting assembly is provided at the bottom end of the fixed frame on the opposite side of the first guide unit, and a limiting protrusion is provided at the bottom end of the traveling frame. After the traveling frame moves into position, the limiting assembly abuts against the limiting protrusion on both sides to limit the moving stroke of the traveling frame.
5. The pre-positioning conveying trolley for liquid crystal panels according to claim 4, characterized in that: The limit assembly includes a limit frame, a limit drive and two limit members, the limit frame is fixedly installed on the bottom end of the fixed frame, the fixed end of the limit drive is installed on the limit frame, the movable end of the limit drive is connected to the two limit members, and the limit drive drives the two limit members to move synchronously along the second direction to limit and fix the limit protrusion on both sides.
6. The pre-positioning conveying trolley for liquid crystal panels according to claim 1, characterized in that: The guide assembly comprises four guide rods, and the four guide rods are symmetrically arranged at the four corners of the positioning frame.
7. The pre-positioning conveying vehicle for liquid crystal panels according to claim 1, characterized in that: The walking mechanism comprises four universal wheels, and the four universal wheels are symmetrically arranged at the four corners of the bottom of the walking frame.