LED quantitative dispensing device

Abstract

The utility model discloses an LED quantitative dispensing device, and relates to the technical field of LED dispensing packaging. The device comprises an operation table, a working table is fixedly connected to the upper side of the operation table, a driving cavity is formed in the working table, a plurality of tightening openings are formed in the upper side of the driving cavity, and the inner wall of the driving cavity is rotationally matched with a first two-way lead screw and a second two-way lead screw; a plurality of tightening blocks matched with the tightening openings are arranged on the first two-way lead screw and the second two-way lead screw in a threaded fit mode. According to the utility model, through the arrangement of the first bidirectional screw rod, the second bidirectional screw rod can be driven to correspondingly rotate when the first bidirectional screw rod rotates, so that the plurality of tightening plates simultaneously move towards close directions, chips can be conveniently limited and positioned, and the placement positions of the chips can be basically the same; the placing error is reduced, and the deviation of the dispensing position is reduced, so that the processing accuracy of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED dispensing packaging, and in particular relates to an LED quantitative dispensing device. Background Art

[0002] A quantitative dispensing machine, also known as a precision dispensing machine, is able to dispense glue continuously according to a preset glue output volume. The glue output volume is constant. At the same time, the dispensing machine uses a peristaltic pump to control the glue output, which greatly improves the accuracy of the dispensing process. During the LED packaging process, it is usually necessary to dispense fluorescent glue on the chip to protect the chip from the influence of the external environment, such as moisture, dust and chemicals, thereby extending the service life of the LED. A quantitative dispensing device is usually used.

[0003] Chinese patent application number CN202222551610.3 discloses a dispensing device for LED packaging, including a first working plate, the top of which is fixedly connected to a left-right movement device, the left-right movement device including: a fixed block, fixedly connected to the top of the first working plate, a threaded rod, the right thread of which passes through the outer wall of the fixed block and extends to the right part of the fixed block, a rotating block, fixedly connected to the right part of the threaded rod, a first open groove, opened on the outer wall of the first working plate, a sliding block, movably contacting the inner wall of the first open groove, and a moving block, fixedly connected to the top of the sliding block.

[0004] The above existing technology achieves the purpose of convenient clamping of both sides of the LED chip by setting a clamping device, facilitating the accurate mechanical dispensing of the LED chip, avoiding the shaking of the workers' hands during the dispensing process, and possibly the phenomenon of inadequate coating, thereby affecting the quality of the LED lamp and improving production efficiency. However, in actual use, during the dispensing process, since it does not have the positioning function after being fixed, it may cause the front and rear positions to be different each time. Since the positioning accuracy of the dispensing machine refers to the difference between the actual coordinates of the equipment when it moves to the target position and the standard position (theoretical position, ideal position), if the position of the dispensing machine is inconsistent each time during operation, then its starting position will change, which may cause deviation in the dispensing position, thereby affecting the overall dispensing accuracy and thus affecting its processing accuracy.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an LED quantitative dispensing device.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] An LED quantitative dispensing device includes an operating table, a workbench fixedly connected to the upper side of the operating table, a drive cavity defined within the workbench, a plurality of tightening openings defined on the upper side of the drive cavity, a first bidirectional screw rod and a second bidirectional screw rod rotatably engaged with the inner wall of the drive cavity, a plurality of tightening blocks threadedly engaged with the plurality of tightening openings;

[0009] One side of multiple tightening blocks is threadedly engaged with an adjustment screw, and the adjacent sides of multiple adjustment screws are rotatably engaged with a tightening plate that slides with the workbench. A transmission mechanism is installed between the first bidirectional screw and the second bidirectional screw, a dispensing assembly is installed on the upper side of the operating table, and the workpiece to be processed is placed on the upper side of the workbench.

[0010] Optionally, in order to achieve linkage between the first bidirectional screw rod and the second bidirectional screw rod and improve the convenience of operation, the transmission mechanism includes a driving sprocket fixedly connected to the first bidirectional screw rod, a support plate fixedly connected to the lower side of the inner wall of the driving chamber, a linkage rod rotatably engaged with one side of the support plate, a driven sprocket fixedly connected to one end of the linkage rod, a chain installed on the driving sprocket and the driven sprocket, a first bevel gear fixedly connected to the other end of the linkage rod, and a second bevel gear fixedly connected to the second bidirectional screw rod and meshing with the first bevel gear.

[0011] Optionally, in order to realize multi-position dispensing work, the dispensing assembly includes two electric slide rails fixedly connected to the upper side of the operating table, a U-shaped slide rail slidingly fitted on the two electric slide rails, and a quantitative dispensing part slidingly fitted on the upper side of the inner wall of the U-shaped slide rail.

[0012] Optionally, in order to achieve material buffering during positioning, rubber pads are fixedly connected to adjacent sides of the multiple tightening plates.

[0013] Optionally, in order to facilitate observation of the adjustment accuracy of the tightening plates, a measuring plate is fixedly connected to the upper side of the tightening plates, and a scale is installed on the upper side of the plurality of measuring plates.

[0014] Optionally, in order to facilitate load-bearing and reduce equipment noise and damage to the ground, a plurality of support legs are fixedly connected to the lower side of the operating table, and support pads are fixedly connected to the lower sides of the plurality of support legs.

[0015] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described below at the same time:

[0016] By setting up a first bidirectional screw rod, the second bidirectional screw rod can be driven to rotate accordingly when the first bidirectional screw rod rotates, so that multiple tightening plates move in similar directions at the same time, so as to limit the chip and have a positioning effect, so that the position of each placement can be basically the same, reducing the error during placement and the deviation of the dispensing position, thereby improving the processing accuracy of the device.

[0017] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] In the picture:

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the present utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of a tightening block according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of a cross-sectional three-dimensional structure of a workbench according to an embodiment of the present invention;

[0023] Figure 4 For an embodiment of the present utility model Figure 3 Schematic diagram of the local three-dimensional structure. DETAILED DESCRIPTION

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] See also Figure 1-4 As shown, in this embodiment, an LED quantitative dispensing device is provided, including an operating table 1, a workbench 2 is fixedly connected to the upper side of the operating table 1, a driving cavity 3 is opened inside the workbench 2, a plurality of tightening openings 4 are opened on the upper side of the driving cavity 3, a first bidirectional screw rod 5 and a second bidirectional screw rod 6 are rotatably engaged with the inner wall of the driving cavity 3, and a plurality of tightening blocks 7 that cooperate with the plurality of tightening openings 4 are threadedly engaged on the first bidirectional screw rod 5 and the second bidirectional screw rod 6;

[0026] One side of multiple tightening blocks 7 is threadedly engaged with an adjusting screw 8, and the adjacent sides of multiple adjusting screws 8 are rotatably engaged with a tightening plate 9 that slides with the workbench 2. A transmission mechanism 10 is installed between the first bidirectional screw 5 and the second bidirectional screw 6. A dispensing component 11 is installed on the upper side of the operating table 1, and a workpiece 12 to be processed is placed on the upper side of the workbench 2.

[0027] One aspect of the application of this embodiment is as follows: when in use, first, by placing the workpiece 12 directly above, the first bidirectional screw 5 can be directly rotated to drive the two tightening blocks 7 to move in similar directions. During the rotation process, the second bidirectional screw 6 is rotated at a corresponding frequency through the transmission mechanism 10, driving the other two tightening blocks 7 to move toward the center, so that the tightening plate 9 fixes the four sides of the workpiece and realizes positioning. The workpiece 12 is processed by the dispensing component 11, so that the position of each placement can be basically the same, reducing the error during placement.

[0028] When processing workpieces 12 of different sizes, the tightening plate 9 can be pushed to move by rotating the adjustment screw 8, thereby adjusting the size of the space between multiple tightening plates 9, so as to facilitate multiple positioning of LED chips of different sizes. Only one adjustment is required to perform multiple cycles of processing on LED chips of different sizes.

[0029] By setting up the first bidirectional screw rod 5, the second bidirectional screw rod 6 can be driven to rotate accordingly when the first bidirectional screw rod 5 rotates, so that multiple tightening plates 9 move in similar directions at the same time, so as to limit the chip and have a positioning effect, so that the position of each placement can be basically the same, reducing the error during placement and the deviation of the dispensing position, thereby improving the processing accuracy of the device.

[0030] The transmission mechanism 10 of this embodiment includes a driving sprocket 101 fixedly connected to the first bidirectional screw 5, a support plate 102 fixedly connected to the lower side of the inner wall of the driving chamber 3, a linkage rod 103 rotatably engaged with one side of the support plate 102, a driven sprocket 104 fixedly connected to one end of the linkage rod 103, a chain 105 installed on the driving sprocket 101 and the driven sprocket 104, a first bevel gear 106 fixedly connected to the other end of the linkage rod 103, and a second bevel gear 107 fixedly connected to the second bidirectional screw 6 and meshing with the first bevel gear 106;

[0031] When the first bidirectional screw rod 5 rotates, the driving sprocket 101 drives 014 to rotate through the chain 105, and then the driven sprocket 104 rotates to drive the linkage rod 103 to follow the rotation, and then the linkage rod 103 drives the first bevel gear 106 and the second bevel gear 107 to follow the rotation. Through the corresponding transmission ratio, the first bidirectional screw rod 5 and the second bidirectional screw rod 6 can be rotated in a one-to-one ratio, so that they can be synchronized when tightening.

[0032] The dispensing assembly 11 of this embodiment includes two electric slide rails 111 fixedly connected to the upper side of the operating table 1, a U-shaped slide rail 112 slidingly fitted on the two electric slide rails 111, and a quantitative dispensing member 113 slidingly fitted on the upper side of the inner wall of the U-shaped slide rail 112. The electric slide rail 111 can move the U-shaped slide rail 112 in the front-to-back direction, and the U-shaped slide rail 112 can move the quantitative dispensing member 113 in the left-to-right direction.

[0033] The quantitative dispensing device 113 is a prior art device. Its principle is that the quantitative dispensing machine primarily comprises a compressed air source, a main compressed air line, a secondary compressed air line, a glue gun, and a timing controller. The main compressed air line is equipped with a pressure regulating valve, a pressure gauge, and a three-way valve, one end of which is connected to the compressed air source and the other end is connected to a hose. The secondary compressed air line, connected to the compressed air source, is equipped with an air regulating valve and a branch pipe, which is connected to the atmosphere, thereby maintaining a negative pressure within the branch pipe. Furthermore, the piston-type glue gun, driven by air pressure and precisely controlled by the timing controller, squeezes the glue from the needle. Simultaneously, the negative pressure sucks the glue back, preventing residual drips from the glue gun. The glue gun also has the ability to extend and retract, facilitating adjustment of the dispensing height.

[0034] In this embodiment, the adjacent sides of the multiple tightening plates 9 are fixedly connected with rubber pads 13. The rubber pads 13 are made of a relatively hard material, which can reduce the instantaneous buffering when the tightening plates 9 contact the LED chip and reduce the rigid collision when the tightening plates 9 contact the LED chip.

[0035] The upper side of the tightening plate 9 of this embodiment is fixedly connected to a measuring plate 14, and the upper side of multiple measuring plates 14 is equipped with a scale 15. When adjusting the tightening plate 9, the measuring plate 14, the upper scale 15 and the tightening block 7 can be compared, so that the length after adjustment can be easily distinguished and the accuracy can be improved.

[0036] The lower side of the operating table 1 of this embodiment is fixedly connected to a plurality of support legs 16, and the lower side of the plurality of support legs 16 is fixedly connected to a support pad 17, 16 is used to bear weight, and the support pad 17 can prevent the support legs from directly contacting the ground, reducing indentations or damage to the ground. The support pad 17 has a certain elasticity and shock absorption ability, which can reduce the vibration and noise generated when the equipment is running.

[0037] The present invention is not limited to the above-described embodiments. Any structural changes made under the guidance of the present invention should be understood by anyone. Any technical solution that is the same or similar to the present invention falls within the scope of protection of the present invention. The technology, shape, and structure not described in detail in the present invention are all known technologies.

Claims

1. An LED quantitative dispensing device, characterized in that: include: An operating table (1) is fixedly connected to a workbench (2) on the upper side of the operating table (1); a driving chamber (3) is provided inside the workbench (2); a plurality of tightening openings (4) are provided on the upper side of the driving chamber (3); a first bidirectional screw rod (5) and a second bidirectional screw rod (6) are rotatably engaged with the inner wall of the driving chamber (3); a plurality of tightening blocks (7) that are engaged with the plurality of tightening openings (4) are screwed on the first bidirectional screw rod (5) and the second bidirectional screw rod (6); One side of the plurality of tightening blocks (7) is threadedly engaged with an adjusting screw rod (8), and the adjacent sides of the plurality of adjusting screw rods (8) are rotatably engaged with a tightening plate (9) that slides with the workbench (2). A transmission mechanism (10) is installed between the first bidirectional screw rod (5) and the second bidirectional screw rod (6). A dispensing assembly (11) is installed on the upper side of the operating table (1), and a workpiece (12) to be processed is placed on the upper side of the workbench (2).

2. The LED quantitative dispensing device according to claim 1, characterized in that: The transmission mechanism (10) comprises a driving sprocket (101) fixedly connected to a first bidirectional screw rod (5), a support plate (102) fixedly connected to the lower side of the inner wall of the driving chamber (3), a linkage rod (103) rotatably engaged with one side of the support plate (102), a driven sprocket (104) fixedly connected to one end of the linkage rod (103), a chain (105) mounted on the driving sprocket (101) and the driven sprocket (104), a first bevel gear (106) fixedly connected to the other end of the linkage rod (103), and a second bevel gear (107) fixedly connected to the second bidirectional screw rod (6) and meshing with the first bevel gear (106).

3. The LED quantitative dispensing device according to claim 1, characterized in that: The glue dispensing assembly (11) comprises two electric slide rails (111) fixedly connected to the upper side of the operating table (1), a U-shaped slide rail (112) slidably fitted on the two electric slide rails (111), and a quantitative glue dispensing component (113) slidably fitted on the upper side of the inner wall of the U-shaped slide rail (112).

4. The LED quantitative dispensing device according to claim 1, characterized in that: The adjacent sides of the plurality of tightening plates (9) are all fixedly connected with rubber pads (13).

5. The LED quantitative dispensing device according to claim 1, characterized in that: The upper sides of the tightening plates (9) are all fixedly connected with measuring plates (14), and the upper sides of the plurality of measuring plates (14) are all equipped with scales (15).

6. The LED quantitative dispensing device according to claim 1, characterized in that: A plurality of support legs (16) are fixedly connected to the lower side of the operating table (1), and a support pad (17) is fixedly connected to the lower side of the plurality of support legs (16).

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