Keyboard PCBA patch positioning mechanism

Abstract

The utility model relates to the technical field of keyboard processing, and discloses a keyboard PCBA patch positioning mechanism which comprises a workbench, the upper end of the workbench is connected with a vertical plate, the side wall of one side of the vertical plate is connected with a top plate, a lifting assembly is installed on the top plate, the piston end of the lifting assembly is connected with an installation plate, and the center of the upper end of the workbench is rotationally connected with a lead screw. A fixing plate is connected to the upper end of the lead screw, a rotating assembly used for driving the lead screw to rotate is installed on the workbench, two T-shaped plates are symmetrically and slidably connected to the upper end of the fixing plate, clamping plates are connected to the side walls of one sides of the T-shaped plates, a sliding plate is slidably connected to the rod wall of the lead screw, and transmission rods are jointly hinged between the sliding plate and the T-shaped plates. According to the technical scheme, the keyboard shell can be automatically clamped and positioned through mutual cooperation of the workbench, the mounting plate, the lead screw, the fixing plate, the T-shaped plate, the clamping plate, the sliding plate, the transmission rod, the air cylinder, the motor and other structures, operation is easy and convenient, time is saved, and therefore work efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of keyboard processing, in particular to a keyboard PCBA patch positioning mechanism. Background Art

[0002] CBA is the printed circuit board assembly, the entire process of PCB blank board through SMT mounting, or through DIP plug-in. PCBA is the circuit board obtained by printing solder paste on PCB, and then installing various components such as resistors, integrated circuits, capacitors and transformers according to the purpose and required characteristics of the circuit board. During the keyboard processing, PCBA needs to be installed inside the keyboard shell.

[0003] At present, when the PCBA is installed inside the keyboard housing, it is generally necessary to fix the keyboard housing with components such as bolts, which is complicated and time-consuming, and reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a keyboard PCBA patch positioning mechanism, which solves the problems raised in the background technology.

[0005] An embodiment of the present application provides a keyboard PCBA patch positioning mechanism, including a workbench, wherein the upper end of the workbench is connected to a vertical plate, a side wall on one side of the vertical plate is connected to a top plate, a lifting assembly is installed on the top plate, a mounting plate is connected to the piston end of the lifting assembly, a screw rod is rotatably connected to the center of the upper end of the workbench, a fixed plate is connected to the upper end of the screw rod, a rotating assembly for driving the screw rod to rotate is installed on the workbench, two groups of T-plates are symmetrically slidably connected to the upper end of the fixed plate, a splint is connected to the side wall on one side of the T-plate, a slide plate is slidably connected to the rod wall of the screw rod, a transmission rod is hinged between the slide plate and the T-plate, and a blowing assembly is installed on the workbench.

[0006] By adopting the above technical solution, when in use, the PCBA is installed on the mounting plate, and then the keyboard shell is placed on the fixed plate. The screw rod is rotated by the rotating assembly, and the rotation of the screw rod will exert a force on the slide plate through the action of the thread. The slide plate will move in the vertical direction under the force, and the movement of the slide plate will exert a force on the transmission rod. The transmission rod will exert a force on the T-plate under the force, and the T-plate will move on the fixed plate under the force. The movement of the fixed plate will drive the clamping plate to move, and the clamping plate will clamp and fix the keyboard shell. At this time, the mounting plate is moved downward by the lifting assembly to install the PCBA patch inside the keyboard shell. The keyboard shell can be automatically clamped and positioned through the above structure, which is simple and convenient to operate, saves time, and thus improves work efficiency.

[0007] Optionally, the lifting assembly includes a cylinder fixedly mounted on the upper end of the top plate, and the piston end of the cylinder is connected to the mounting plate.

[0008] By adopting the above technical solution, the cylinder is started, and the operation of the cylinder will drive the mounting plate to move in the vertical direction.

[0009] Optionally, the rotating assembly includes a motor fixedly mounted at the center of the lower end of the workbench, and the output end of the motor passes through the side wall of the workbench and extends upward and is connected to the screw rod through a coupling.

[0010] By adopting the above technical solution, the motor is started, and the operation of the motor drives the screw rod to rotate.

[0011] Optionally, the blowing assembly includes an air cylinder fixedly mounted on the upper end of the workbench, a threaded tube is rotatably mounted on the upper end of the workbench, a threaded rod is connected to the inner thread of the threaded tube, one end of the threaded rod passes through the pipe mouth of the threaded tube and penetrates the end of the air cylinder in sequence and extends inward and is connected to a piston, the piston matches the air cylinder, one end of the air cylinder is connected to an exhaust pipe, and the exhaust pipe is located at the position of the fixed plate, and the threaded tube and the screw rod are transmission connected.

[0012] By adopting the above technical solution, the rotation of the screw rod will drive the threaded tube to rotate, and the rotation of the threaded tube will apply a force to the threaded rod through the action of the thread. The threaded rod will move horizontally under the force, and the movement of the threaded rod will drive the piston to move. The movement of the piston will squeeze the air inside the cylinder, and the air inside the cylinder will be discharged through the exhaust pipe. The exhaust pipe will blow air on the fixed plate to blow away the dust on the keyboard housing, making it convenient for the PCBA patch to be installed on the keyboard housing. Through the above structure, when the keyboard housing is clamped and positioned, the dust on the surface of the keyboard housing can be blown and cleaned to improve the processing effect.

[0013] Optionally, a first bevel gear is fixedly sleeved on a rod wall of the screw rod, a second bevel gear is connected to one end of the threaded tube, and the first bevel gear is meshed with the second bevel gear.

[0014] By adopting the above technical solution, the rotation of the screw rod will drive the first bevel gear to rotate, the rotation of the first bevel gear will drive the second bevel gear to rotate, and the rotation of the second bevel gear will drive the threaded tube to rotate.

[0015] Optionally, two groups of sliding holes are symmetrically opened on the upper end of the fixing plate, and the T-shaped plate is slidably connected in the sliding holes.

[0016] By adopting the above technical solution, the T-shaped plate is limited so that the T-shaped plate can move in the horizontal direction.

[0017] Optionally, a sliding rod is fixedly connected to the inner groove wall of the sliding hole, the sliding rod passes through the T-shaped plate, and the T-shaped plate is slidably connected to the sliding rod.

[0018] By adopting the technical solution, the T-shaped plate can be prevented from falling off from the sliding hole.

[0019] Optionally, two support frames are symmetrically connected to the side wall of one side of the vertical plate, and the other end of the support frame is connected to the top plate.

[0020] By adopting the above technical solution, the stability of the top plate is improved.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0022] (1) The technical solution of the present application can automatically clamp and position the keyboard housing by setting up a workbench, a vertical plate, a top plate, a mounting plate, a screw rod, a fixing plate, a T-plate, a clamping plate, a slide plate, a transmission rod, a cylinder and a motor and other structures to cooperate with each other. The operation is simple and convenient, saving time, thereby improving work efficiency.

[0023] (2) The technical solution of the present application can improve the processing effect by setting up the mutual coordination between the air cylinder, threaded tube, threaded rod, exhaust duct, first bevel gear, second bevel gear and piston, etc., so as to blow away the dust on the surface of the keyboard shell when clamping and positioning the keyboard shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 This is a schematic diagram of the overall structure of the keyboard PCBA patch positioning mechanism of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the fixing plate in the keyboard PCBA patch positioning mechanism of the utility model;

[0027] Figure 3 for Figure 1 A magnified view of part A;

[0028] Figure 4 This is a schematic diagram of the internal structure of the air cylinder in the keyboard PCBA patch positioning mechanism of the utility model;

[0029] Figure 5 for Figure 1 Enlarged view of part B.

[0030] In the figure: 1. workbench; 2. vertical plate; 3. top plate; 4. mounting plate; 5. screw rod; 6. fixing plate; 7. T-plate; 8. clamping plate; 9. slide plate; 10. transmission rod; 11. cylinder; 12. motor; 13. air cylinder; 14. threaded pipe; 15. threaded rod; 16. exhaust pipe; 17. first bevel gear; 18. second bevel gear; 19. slide rod; 20. piston. DETAILED DESCRIPTION

[0031] See also Figure 1-5 The utility model provides a technical solution: a keyboard PCBA patch positioning mechanism, including a workbench 1, a vertical plate 2 is connected to the upper end of the workbench 1, a top plate 3 is connected to the side wall on one side of the vertical plate 2, a lifting assembly is installed on the top plate 3, a mounting plate 4 is connected to the piston end of the lifting assembly, a screw rod 5 is rotatably connected to the center of the upper end of the workbench 1, a fixed plate 6 is connected to the upper end of the screw rod 5, a rotating assembly for driving the screw rod 5 to rotate is installed on the workbench 1, two groups of T-plates 7 are symmetrically slidably connected to the upper end of the fixed plate 6, a clamping plate 8 is connected to the side wall on one side of the T-plate 7, a slide plate 9 is slidably connected to the rod wall of the screw rod 5, a transmission rod 10 is hinged between the slide plate 9 and the T-plate 7, and a blowing assembly is installed on the workbench 1.

[0032] In the technical solution of the present application, when in use, the PCBA is installed on the mounting plate 4, and then the keyboard shell is placed on the fixed plate 6. The screw rod 5 is rotated by the rotating assembly. The rotation of the screw rod 5 will apply a force to the slide plate 9 through the action of the thread. The slide plate 9 will move in the vertical direction under the force. The movement of the slide plate 9 will apply a force to the transmission rod 10. The transmission rod 10 will apply a force to the T-plate 7 under the force. The T-plate 7 will move on the fixed plate 6 under the force. The movement of the fixed plate 6 will drive the clamping plate 8 to move, and the clamping plate 8 will clamp and fix the keyboard shell. At this time, the mounting plate 4 is moved downward by the lifting assembly to install the PCBA patch inside the keyboard shell. The keyboard shell can be automatically clamped and positioned through the upper structure. The operation is simple and convenient, which saves time, thereby improving work efficiency.

[0033] In the technical solution of the present application, the lifting assembly includes a cylinder 11 fixedly mounted on the upper end of the top plate 3, the piston end of the cylinder 11 is connected to the mounting plate 4, and when the cylinder 11 is started, the operation of the cylinder 11 will drive the mounting plate 4 to move in the vertical direction.

[0034] In the technical solution of the present application, the rotating assembly includes a motor 12 fixedly installed at the center of the lower end of the workbench 1. The output end of the motor 12 passes through the side wall of the workbench 1 and extends upward and is connected to the screw rod 5 through a coupling. When the motor 12 is started, the operation of the motor 12 will drive the screw rod 5 to rotate.

[0035] In the technical solution of the present application, the blowing assembly includes an air cylinder 13 fixedly mounted on the upper end of the workbench 1, a threaded tube 14 is rotatably mounted on the upper end of the workbench 1, a threaded rod 15 is connected to the inner thread of the threaded tube 14, one end of the threaded rod 15 passes through the pipe mouth of the threaded tube 14 and passes through the end of the air cylinder 13 in turn and extends inward and is connected to a piston 20, the piston 20 matches the air cylinder 13, one end of the air cylinder 13 is connected to an exhaust pipe 16, and the exhaust pipe 16 is located at the position of the fixed plate 6, the threaded tube 14 is transmission-connected to the screw rod 5, the rotation of the screw rod 5 will drive the threaded tube 14 to rotate, and the rotation of the threaded tube 14 The threaded rod 15 will be exerted with a force through the action of the thread, and the threaded rod 15 will move in the horizontal direction under the force, and the movement of the threaded rod 15 will drive the piston 20 to move, and the movement of the piston 20 will squeeze the air inside the cylinder 13, and the air inside the cylinder 13 will be discharged through the exhaust pipe 16, and the exhaust pipe 16 will blow air onto the fixed plate 6 to blow away the dust on the keyboard housing, so as to facilitate the installation of the PCBA patch on the keyboard housing. Through the upper structure, when the keyboard housing is clamped and positioned, the dust on the surface of the keyboard housing can be blown and cleaned to improve the processing effect.

[0036] In the technical solution of the present application, the rod wall of the screw rod 5 is fixedly sleeved with a first bevel gear 17, one end of the threaded tube 14 is connected to a second bevel gear 18, and the first bevel gear 17 is meshed with the second bevel gear 18. The rotation of the screw rod 5 will drive the first bevel gear 17 to rotate, the rotation of the first bevel gear 17 will drive the second bevel gear 18 to rotate, and the rotation of the second bevel gear 18 will drive the threaded tube 14 to rotate.

[0037] In the technical solution of the present application, two groups of sliding holes are symmetrically opened at the upper end of the fixed plate 6, and the T-shaped plate 7 is slidably connected in the sliding holes, and the T-shaped plate 7 is limited to enable the T-shaped plate 7 to move in the horizontal direction.

[0038] In the technical solution of the present application, a slide rod 19 is fixedly connected to the inner groove wall of the slide hole, the slide rod 19 passes through the T-shaped plate 7, and the T-shaped plate 7 is slidably connected to the slide rod 19 to prevent the T-shaped plate 7 from falling off from the slide hole.

[0039] In the technical solution of the present application, two support frames are symmetrically connected to the side wall of one side of the vertical plate 2 , and the other end of the support frame is connected to the top plate 3 to improve the stability of the top plate 3 .

[0040] When in use, the PCBA is installed on the mounting plate 4, and then the keyboard housing is placed on the fixing plate 6. The motor 12 is used to rotate the screw rod 5. The rotation of the screw rod 5 will exert a force on the slide plate 9 through the action of the thread. The slide plate 9 will move in the vertical direction under the force. The movement of the slide plate 9 will exert a force on the transmission rod 10. The transmission rod 10 will exert a force on the T-plate 7 under the force. The T-plate 7 will move on the fixing plate 6 under the force. The movement of the fixing plate 6 will drive the clamping plate 8 to move, and the clamping plate 8 will clamp and fix the keyboard housing. At this time, the mounting plate 4 is moved downward by the cylinder 11 to install the PCBA patch inside the keyboard housing.

Claims

1. A keyboard PCBA patch positioning mechanism, comprising a workbench (1), characterized in that: The upper end of the workbench (1) is connected to a vertical plate (2), a side wall of one side of the vertical plate (2) is connected to a top plate (3), a lifting assembly is installed on the top plate (3), a piston end of the lifting assembly is connected to a mounting plate (4), a screw rod (5) is rotatably connected to the center of the upper end of the workbench (1), a fixed plate (6) is connected to the upper end of the screw rod (5), a rotating assembly for driving the screw rod (5) to rotate is installed on the workbench (1), two groups of T-shaped plates (7) are symmetrically slidably connected to the upper end of the fixed plate (6), a clamping plate (8) is connected to the side wall of one side of the T-shaped plate (7), a slide plate (9) is slidably connected to the rod wall of the screw rod (5), a transmission rod (10) is hinged between the slide plate (9) and the T-shaped plate (7), and a blowing assembly is installed on the workbench (1).

2. The keyboard PCBA patch positioning mechanism according to claim 1, characterized in that: The lifting assembly comprises a cylinder (11) fixedly mounted on the upper end of the top plate (3), and a piston end of the cylinder (11) is connected to the mounting plate (4).

3. The keyboard PCBA patch positioning mechanism according to claim 1, characterized in that: The rotating assembly comprises a motor (12) fixedly mounted at the center of the lower end of the workbench (1); the output end of the motor (12) penetrates the side wall of the workbench (1) and extends upward and is connected to the screw rod (5) through a coupling.

4. The keyboard PCBA patch positioning mechanism according to claim 1, characterized in that: The blowing assembly comprises an air cylinder (13) fixedly mounted on the upper end of a workbench (1); a threaded tube (14) is rotatably mounted on the upper end of the workbench (1); a threaded rod (15) is connected to the inner thread of the threaded tube (14); one end of the threaded rod (15) passes through the pipe opening of the threaded tube (14) and the end of the air cylinder (13) in sequence and extends inwardly and is connected to a piston (20); the piston (20) matches the air cylinder (13); one end of the air cylinder (13) is connected to an exhaust pipe (16), and the exhaust pipe (16) is located at the position of the fixed plate (6); the threaded tube (14) is transmission-connected to the screw rod (5).

5. The keyboard PCBA patch positioning mechanism according to claim 4, characterized in that: A first bevel gear (17) is fixedly sleeved on the rod wall of the screw rod (5), one end of the threaded tube (14) is connected to a second bevel gear (18), and the first bevel gear (17) is meshed with the second bevel gear (18).

6. The keyboard PCBA patch positioning mechanism according to claim 1, characterized in that: Two groups of sliding holes are symmetrically opened on the upper end of the fixing plate (6), and the T-shaped plate (7) is slidably connected in the sliding holes.

7. The keyboard PCBA patch positioning mechanism according to claim 6, characterized in that: A sliding rod (19) is fixedly connected to the inner groove wall of the sliding hole, the sliding rod (19) penetrates the T-shaped plate (7), and the T-shaped plate (7) is slidably connected to the sliding rod (19).

8. The keyboard PCBA patch positioning mechanism according to claim 1, characterized in that: Two support frames are symmetrically connected to the side wall of one side of the vertical plate (2), and the other end of the support frame is connected to the top plate (3).

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