Auxiliary feeding device of vertical screen printing machine

Abstract

The utility model discloses a vertical screen printing machine auxiliary feeding device which comprises a vertical screen printing machine feeding frame, a PCB positioner, a PCB body and an installation frame, the installation frame is arranged on the back face of the vertical screen printing machine feeding frame, the PCB positioner is arranged on the front face of the vertical screen printing machine feeding frame, the PCB body is located in the PCB positioner, and the PCB body is located in the PCB positioner. A guide base is fixedly installed on the top of the installation frame, a first servo motor is fixedly installed on the guide base, a first lead screw is fixedly installed on an output shaft of the first servo motor, and a bearing frame is in threaded connection with the first lead screw. Due to the fact that the feeding position of an employee is located outside the machine, the body of the employee does not need to stretch into the machine for operation, the risk that the body is injured by moving parts in the machine is avoided, meanwhile, the optimal distance for arm operation of the employee outside the feeding position does not need to stretch the arm excessively, the employees with different arm lengths can operate easily, labor intensity is reduced, and working efficiency is improved. And fatigue is reduced.

Description

Technical Field

[0001] This utility model relates to the field of PCB manufacturing technology, and more specifically, to an auxiliary feeding device for a vertical screen printing machine. Background Technology

[0002] Vertical screen printing machine feeder loading refers to the process of placing the PCB board to be printed into the appropriate position on the screen printing machine during the vertical screen printing machine's workflow. In this process, the vertical screen printing machine feeder plays a crucial role in bearing and conveying the PCB.

[0003] Currently, in PCB multi-track feeding vertical printing machines, manual loading requires manually placing the PCB board into the position of each feeding frame.

[0004] When the feeding box is far from the worker's position, the worker needs to stretch their arm to the limit to feed the material, which can easily lead to worker fatigue and a risk of falling forward into the machine, posing a certain safety hazard. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide an auxiliary feeding device for a vertical screen printing machine, so as to solve the problems that the existing vertical screen printing machine is inconvenient to feed, has high manual labor intensity, and has safety hazards.

[0006] To solve the above problems, the present invention adopts the following technical solution;

[0007] A vertical screen printing machine auxiliary feeding device includes a vertical screen printing machine feeding frame, a PCB board locator, a PCB board body, and a mounting frame. The mounting frame is located on the back of the vertical screen printing machine feeding frame, and the PCB board locator is located on the front of the vertical screen printing machine feeding frame. The PCB board body is located inside the PCB board locator. A guide base is fixedly installed on the top of the mounting frame. A servo motor is fixedly installed on the guide base. A lead screw is fixedly installed on the output shaft of the servo motor. A support frame is threaded onto the lead screw. The support frame is slidably connected to the guide base. A second servo motor is fixedly installed on the support frame. A second lead screw is installed on the output shaft of the second servo motor. A horizontal movable seat is threaded onto the second lead screw. A third lead screw is rotatably connected to the top of the horizontal movable seat. A vertical movable seat is threaded onto the third lead screw. The vertical movable seat is slidably connected to the top of the horizontal movable seat. Two PCB board clamping mechanisms are installed on both the vertical and horizontal movable seats. The PCB board clamping mechanisms are in contact with the PCB board body.

[0008] The PCB board clamping mechanism includes a cylinder mounting plate, on which a clamping cylinder is mounted, and a PCB board pressure block is hinged to the cylinder mounting plate. The output end of the clamping cylinder is movably mounted to the PCB board pressure block.

[0009] As a further description of the above technical solution: the top of the horizontal movable seat is equipped with uniformly distributed vertical guide shafts, and the vertical movable seat is slidably connected to the vertical guide shafts.

[0010] As a further description of the above technical solution: a uniformly distributed horizontal guide shaft is fixedly installed on the support frame, and the horizontal movable seat is slidably connected to the horizontal guide shaft.

[0011] As a further description of the above technical solution: a soft pad is connected to the PCB board pressure block.

[0012] As a further description of the above technical solution: a knob is fixedly installed on the top of the lead screw three, and the outer side of the knob is provided with evenly distributed anti-slip vertical grooves, and a column is connected to the top of the knob.

[0013] Compared with existing technologies, the advantages of this utility model are:

[0014] In this invention, an auxiliary feeding mechanism is set vertically in the feeding frame of the vertical screen printing machine. When the auxiliary feeding mechanism is running, it moves from the standby position to the employee feeding position, fixes the PCB board body through the PCB board clamping mechanism, and is then driven by the power system to the feeding frame of the vertical machine that is waiting for material. Then the auxiliary feeding mechanism returns to the standby position to wait for the next production cycle. Since the employee feeding position is located outside the machine, the employee does not need to extend his / her body into the machine to operate, avoiding the risk of injury from the moving parts inside the machine. At the same time, the optimal distance for the employee's arm to operate is outside the feeding position, without the need for excessive arm extension. Employees of different arm lengths can operate easily, reducing labor intensity and fatigue. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the mounting bracket of this utility model;

[0017] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is a three-dimensional structural diagram of the PCB board clamping mechanism of this utility model.

[0019] Explanation of the labels in the diagram:

[0020] 1. Vertical screen printing machine feed frame; 2. PCB board positioner; 3. PCB board body; 4. Mounting bracket; 5. Guide base; 6. Servo motor one; 7. Lead screw one; 8. Bearing frame; 9. Servo motor two; 10. Lead screw two; 11. Horizontal movable seat; 12. Lead screw three; 13. Vertical movable seat; 14. PCB board clamping mechanism; 1401. Cylinder mounting plate; 1402. Clamping cylinder; 1403. PCB board pressure block; 15. Vertical guide shaft; 16. Horizontal guide shaft; 17. Soft pad; 18. Knob. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model;

[0022] Please see Figures 1-4 In this utility model, an auxiliary feeding device for a vertical screen printing machine includes a vertical screen printing machine feeding frame 1, a PCB board positioner 2, a PCB board body 3, and a mounting frame 4. The mounting frame 4 is located on the back of the vertical screen printing machine feeding frame 1, the PCB board positioner 2 is located on the front of the vertical screen printing machine feeding frame 1, and the PCB board body 3 is located inside the PCB board positioner 2. A guide base 5 is fixedly installed on the top of the mounting frame 4, a servo motor 6 is fixedly installed on the guide base 5, a lead screw 7 is fixedly installed on the output shaft of the servo motor 6, and a bearing is threaded onto the lead screw 7. The support frame 8 is slidably connected to the guide base 5. A servo motor 9 is fixedly installed on the support frame 8. A lead screw 10 is installed on the output shaft of the servo motor 9. A horizontal movable seat 11 is threadedly connected to the lead screw 10. A lead screw 12 is rotatably connected to the top of the horizontal movable seat 11. A vertical movable seat 13 is threadedly connected to the lead screw 12. The vertical movable seat 13 is slidably connected to the top of the horizontal movable seat 11. Two PCB board clamping mechanisms 14 are installed on both the vertical movable seat 13 and the horizontal movable seat 11. The PCB board clamping mechanisms 14 are in contact with the PCB board body 3.

[0023] The PCB board clamping mechanism 14 includes a cylinder mounting plate 1401, a clamping cylinder 1402 is mounted on the cylinder mounting plate 1401, and a PCB board pressure block 1403 is hinged to the cylinder mounting plate 1401. The output end of the clamping cylinder 1402 is movably mounted to the PCB board pressure block 1403.

[0024] The top of the horizontal movable seat 11 is equipped with evenly distributed vertical guide shafts 15, and the vertical movable seat 13 is slidably connected to the vertical guide shafts 15.

[0025] A uniformly distributed horizontal guide shaft 16 is fixedly installed on the support frame 8, and the horizontal movable seat 11 is slidably connected to the horizontal guide shaft 16.

[0026] The vertical screen printing machine feed frame 1 contains a clamping mechanism for PCB board printing, which is located on top of the PCB board positioner 2, as shown in the attached figure.

[0027] When the PCB board body 3 needs to be loaded, the lead screw 3 12 is first adjusted. The vertical movable seat 13, which is threaded onto the lead screw 3 12, begins to move vertically, thereby changing the height of the two PCB board clamping mechanisms 14 on the vertical movable seat 13 to adapt to the current operation requirements.

[0028] The user places the PCB board body 3 onto the PCB board positioner 2, then starts the servo motor 6. The servo motor 6 drives the lead screw 7 to rotate. The rotation of the lead screw 7 causes the threaded support frame 8 to move linearly along the horizontal guide shaft 16 on the guide base 5, thereby realizing the movement of multiple PCB board clamping mechanisms 14, so that the PCB board clamping mechanism 14 corresponds to the position of the PCB board body 3. At the same time, the user starts the servo motor 9. The servo motor 9 drives the lead screw 10 to rotate. The rotation of the lead screw 10 causes the threaded horizontal movable seat 11 to move linearly along the horizontal guide shaft 16 on the support frame 8 until it moves to the back of the PCB board.

[0029] At this time, the PCB board clamping mechanism 14 installed on the vertical movable seat 13 and the horizontal movable seat 11 is activated. The clamping cylinder 1402 is activated, and its output end pushes the PCB board pressure block 1403 to rotate around the hinge point of the cylinder mounting plate 1401, thereby clamping the PCB board body 3.

[0030] The clamped PCB board body 3 is moved into the feed frame 1 of the vertical screen printing machine, and the PCB board printing clamping mechanism clamps the PCB board body 3 in turn.

[0031] After the PCB board printing clamping mechanism clamps the PCB board body 3, the clamping cylinder 1402 in the PCB board clamping mechanism 14 reverses its action, causing the PCB board pressure block 1403 to release the PCB board body 3. Subsequently, the carrier frame 8, horizontal movable seat 11, and vertical movable seat 13 are controlled to return to their original positions by the servo motor 6 and servo motor 9, in preparation for the next loading operation.

[0032] In this utility model, an auxiliary feeding mechanism is set in the vertical direction of the feeding frame 1 of the vertical screen printing machine. When the auxiliary feeding mechanism is running, it moves from the standby position to the employee feeding position, fixes the PCB board body 3 by the PCB board clamping mechanism 14, and is then driven by the power system to the feeding frame of the vertical machine that is waiting for material. Then the auxiliary feeding mechanism returns to the standby position and waits for the next production cycle.

[0033] Since the employee's loading position is located outside the machine, the employee does not need to extend their body into the machine to operate, thus avoiding safety hazards. At the same time, the optimal distance for the employee's arm to operate is outside the loading position, so there is no need to overextend the arm. Employees of different arm lengths can operate easily, reducing labor intensity.

[0034] Please see Figure 4 The PCB board clamping block 1403 is connected to a soft pad 17, which clamps the PCB board body 3.

[0035] Please see Figures 1-3 Among them: a knob 18 is fixedly installed on the top of the lead screw 12, and the outer side of the knob 18 is provided with evenly distributed anti-slip vertical grooves, and the top of the knob 18 is connected to a column.

[0036] In this utility model, when the user needs to rotate the lead screw 12, the knob 18 at its top and the column can provide a point of force, thereby facilitating the rotation of the lead screw 12, and the anti-slip vertical grooves can prevent the hand from slipping.

[0037] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. An auxiliary feeding device for a vertical screen printing machine, comprising a vertical screen printing machine feeding frame (1), a PCB board positioner (2), a PCB board body (3), and a mounting frame (4), wherein the mounting frame (4) is disposed on the back of the vertical screen printing machine feeding frame (1), the PCB board positioner (2) is disposed on the front of the vertical screen printing machine feeding frame (1), and the PCB board body (3) is located inside the PCB board positioner (2), characterized in that: A guide base (5) is fixedly installed on the top of the mounting bracket (4). A servo motor (6) is fixedly installed on the guide base (5). A lead screw (7) is fixedly installed on the output shaft of the servo motor (6). A bearing frame (8) is threadedly connected to the lead screw (7). The bearing frame (8) is slidably connected to the guide base (5). A servo motor (9) is fixedly installed on the bearing frame (8). A lead screw (10) is installed on the output shaft of the servo motor (9). A horizontal movable seat (11) is threadedly connected to the lead screw (10). A lead screw (3) (12) is rotatably connected to the top of the horizontal movable seat (11). A vertical movable seat (13) (12) (13 ... The PCB board clamping mechanism (14) includes a cylinder mounting plate (1401), on which a clamping cylinder (1402) is mounted, and a PCB board pressure block (1403) is hinged to the cylinder mounting plate (1401). The output end of the clamping cylinder (1402) is movably mounted to the PCB board pressure block (1403).

2. The auxiliary feeding device for a vertical screen printing machine according to claim 1, characterized in that: The top of the horizontal movable seat (11) is equipped with evenly distributed vertical guide shafts (15), and the vertical movable seat (13) is slidably connected to the vertical guide shafts (15).

3. The auxiliary feeding device for a vertical screen printing machine according to claim 1, characterized in that: The support frame (8) is fixedly installed with evenly distributed horizontal guide shafts (16), and the horizontal movable seat (11) is slidably connected to the horizontal guide shafts (16).

4. The auxiliary feeding device for a vertical screen printing machine according to claim 1, characterized in that: A soft pad (17) is connected to the PCB board pressure block (1403).

5. The auxiliary feeding device for a vertical screen printing machine according to claim 1, characterized in that: A knob (18) is fixedly installed on the top of the lead screw (12). The knob (18) has evenly distributed anti-slip vertical grooves on its outer side. A column is connected to the top of the knob (18).

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