Spacing adjustable adhesive dispensing mechanism
A technology of dispensing mechanism and spacing adjustment, which is applied to devices and coatings that apply liquid to the surface, can solve the problems of high cost, complicated control process, inability to meet functional requirements, etc., to achieve cost saving, simple change of spacing, The effect of simplified controls
Pending Publication Date: 2019-01-08
旷泰科技(上海)有限公司
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Problems solved by technology
[0004] The prior art has the following disadvantages: 1. When the minimum spacing X is smaller than the frame size (42mm) of the stepping motor, the functional requirements cannot be met; 2. The cost is high, and 24 stepping motors are required for each device; 3. The control process is complicated. When adjusting the distance, each dispensing head moves a different distance, and the rotation amount of each stepping motor must be calculated separately.
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[0019] Hereinafter, preferred embodiments of the present application will be described in detail with reference to the drawings. In the following description, the same reference numerals are given to the same components, and repeated descriptions are omitted. In addition, the drawings are only schematic diagrams, and the ratio of dimensions between components or the shape of components may be different from the actual ones.
[0020] figure 1 A schematic structural view of a dispensing mechanism in the prior art is shown.
[0021] like figure 1 As shown, the dispensing mechanism 01 in the prior art includes 12 dispensing assemblies 40 , and each dispensing assembly 40 is connected with a motor 60 , and a gear 70 and a rack 80 for transmission. When the distance between the dispensing components 40 needs to be adjusted, the motor 60 needs to be controlled to drive the corresponding dispensing components 40 to move to corresponding positions. It can be seen that the cost is r...
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The invention provides a spacing adjustable adhesive dispensing mechanism used for adhesive dispensing operation of television backboard light bars. The spacing adjustable adhesive dispensing mechanism comprises n connecting rod assemblies, a first sliding rail assembly and n+1 adhesive dispensing assemblies, wherein n is greater than or equal to 2, and each connecting rod assembly comprises a sliding part and two connecting rods connected with the corresponding sliding part; the first sliding rail assembly is used for carrying out transverse sliding support on the sliding part; the first adhesive dispensing assembly is movably connected with the outer connecting rod of the first connecting rod assembly, the (n+1)-th adhesive dispensing assembly is movably connected with the outer connecting rod of the n-th connecting rod assembly, the adjacent connecting rods of every two adjacent connecting rod assemblies are movably connected with the same adhesive dispensing assembly respectively,and the transverse spacings of the n+1 adhesive dispensing assemblies are equal. Due to the fact that the connecting rod assemblies guarantee that the transverse spacings of the adhesive dispensing assemblies are equal, the change of the spacings is extremely simple, the condition that each connecting rod assembly is controlled by needing one motor is changed, the cost is reduced, and simultaneously, the minimum value of the spacing also can reach 30 mm.
Description
technical field [0001] The present application relates to TV backlight production equipment, in particular to a dispensing mechanism with adjustable spacing. Background technique [0002] In the assembly process of the TV, a light bar needs to be installed on the backlight board, and the light bar is bonded to the backlight board by glue. In the existing automatic light strip dispenser, there are two groups of dispensing mechanisms, and each group of dispensing mechanisms has 12 dispensing heads. The distance X between each dispensing head needs to be automatically adjusted according to different TV products. [0003] In the prior art, a stepping motor is installed behind each dispensing head, and a spur gear at each shaft end of the stepping motor meshes with the rack. By controlling the rotation of each stepper motor, the adjustment of the distance X between the dispensing heads is realized. [0004] The prior art has the following disadvantages: 1. When the minimum spa...
Claims
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IPC IPC(8): B05C5/02
CPCB05C5/0279
Inventor 王世佩陈孝勇
Owner 旷泰科技(上海)有限公司