A special scissor foot semi-automatic assembly equipment

Abstract

The present invention relates to a special scissor-foot semi-automatic assembly device, comprising a motion module, at least one assembly module, a human-machine interface, a CCD camera, a display screen, two safety light curtains, a material swing tray and a movable bracket, a workbench is provided at the middle position of the bracket, a motion module is provided on the workbench, an assembly module is provided on the motion module, the material swing tray is arranged at the lower side of the assembly module, the safety light curtains are arranged at both ends of the assembly module, the CCD camera is arranged on the upper side of the material swing tray and is connected to the motion module, the human-machine interface and the display screen are arranged near the top end of the bracket, the safety light curtain is arranged on the workbench, and the material swing tray is arranged at the bottom end of the motion module. The special scissor-foot semi-automatic assembly device involved in the present invention has the advantages of stable structure, high transmission accuracy, improved assembly efficiency, improved employee working environment, and saved labor time cost.

Description

Technical Field

[0001] The invention relates to the technical field of special scissor leg assembly, in particular to a special scissor leg semi-automatic assembly device. Background Art

[0002] A plastic structural component used in keyboards, consisting of an inner frame and an outer frame, forming a fork-shaped structure connected by left and right pivot ears. Similar to a pair of scissors, it is commonly known as a scissor leg, or PL in English. One end of the scissor leg is fixed to a hook on the keyboard's aluminum plate, and the other end is fixed to a hook underneath the keycap. When the keycap is pressed, the scissor leg opens and closes as the elastic structure expands and contracts.

[0003] Currently, standard keyboard scissor pins (standard PL) are easier to automate. However, most manufacturers rely on manual assembly for special PLs, which is labor-intensive, requires high technical proficiency, consumes a large amount of labor, and can cause significant damage to workers' fingers. While standard PLs can be assembled using automated equipment, they are not compatible with special PLs.

[0004] To this end, we have developed a special scissor foot semi-automatic assembly equipment to solve the above shortcomings. Summary of the Invention

[0005] The purpose of the present invention is to overcome the shortcomings of the existing technology and provide a special scissor foot semi-automatic assembly equipment, which has the advantages of stable structure, high transmission precision, improved assembly efficiency, improved working environment for employees, and saved labor costs.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a special scissor foot semi-automatic assembly equipment, comprising a motion module, at least one assembly module, a human-machine interface, a CCD camera, a display screen, two safety light curtains, a material swing tray and a movable bracket, with the length direction of the motion module as the X-axis direction, the width direction of the motion module as the Y-axis direction, and the height direction of the motion module as the Z-axis direction. A workbench is provided at the middle position of the bracket, the motion module is provided on the workbench, the assembly module is provided on the motion module, the material swing tray is provided on the lower side of the assembly module, the safety light curtains are provided at both ends of the assembly module, the CCD camera is provided on the upper side of the material swing tray and is connected to the motion module, the human-machine interface and the display screen are provided near the top of the bracket, the safety light curtain is provided on the workbench, and the material swing tray is provided at the bottom end of the motion module.

[0007] Preferably, the motion module includes an X-axis motion module, a Y-axis motion module, a first Z-axis motion module and a second Z-axis motion module, the first Z-axis motion module and the second Z-axis motion module are slidably connected in parallel at the top of the X-axis motion module, the Y-axis motion module is arranged on the lower side of the first Z-axis motion module and the second Z-axis motion module, and the Y-axis motion module is arranged at the top of the workbench.

[0008] Preferably, the X-axis motion module includes an X-axis servo motor, multiple X-axis linear guides, an X-axis ball screw, an X-axis slide, at least one X-axis sensor and a gantry-type X-axis transmission base. The X-axis servo motor drives the X-axis slide to slide on the X-axis linear guide through the X-axis ball screw. The X-axis sensor is arranged on one side of the length direction of the X-axis slide, and the X-axis slide is arranged on the X-axis transmission base close to the X-axis sensor.

[0009] Preferably, the Y-axis motion module includes a Y-axis servo motor, a Y-axis ball screw, multiple Y-axis linear guides, a Y-axis fixed base, a Y-axis sensor and a Y-axis slide. The Y-axis servo motor drives the Y-axis slide to slide on the Y-axis linear guide through the Y-axis ball screw. The Y-axis linear guide is arranged on the Y-axis fixed base. The Y-axis sensor is provided on one side close to the length direction of the Y-axis linear guide. The Y-axis sensor is arranged on the Y-axis fixed base.

[0010] Preferably, a first Z-axis servo motor is provided at the top of the first Z-axis motion module.

[0011] Preferably, a second Z-axis servo motor is provided at the top of the second Z-axis motion module, and the CCD camera is provided at a middle position between the first Z-axis motion module and the second Z-axis motion module.

[0012] Preferably, a keyboard aluminum plate positioning cylinder is provided on the Y-axis slide, and the keyboard aluminum plate positioning cylinder is connected to a grid cover.

[0013] Preferably, a keyboard aluminum plate is pressed between the grid cover and the Y-axis slide.

[0014] Preferably, a swing material tray fixing seat is provided at the bottom end of the swing material tray, and the swing material tray fixing seat is connected to the swing material tray positioning cylinder.

[0015] Preferably, the assembly module includes a first assembly module and a second assembly module, the first assembly module is connected to the first Z-axis motion module through a plurality of fixed right-angle seats, the second assembly module is connected to the second Z-axis motion module through a plurality of fixed right-angle seats, and a plurality of chucks are provided at the bottom ends of the first assembly module and the second assembly module.

[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0017] 1. Gantry-type X-axis transmission base, solid and stable structure, CCD camera positioning, high transmission accuracy;

[0018] 2. Use a semi-automatic assembly method with manual material placement and automatic module material removal to improve assembly efficiency;

[0019] 3. After adopting semi-automatic assembly, some processes that may cause potential harm to employees' fingers are replaced by automated machinery, which improves employees' working conditions, reduces assembly difficulty, and saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Attachment Figure 1 This is a front view of the semi-automatic assembly equipment for special scissor legs of the present invention;

[0021] Attachment Figure 2 A top view of the semi-automatic assembly equipment for special scissor legs of the present invention;

[0022] Attachment Figure 3 This is a left side view of the semi-automatic assembly equipment for special scissor legs of the present invention;

[0023] Attachment Figure 4 It is a front view of the motion module and assembly module structure of the present invention;

[0024] Attachment Figure 5 A top view of the motion module and assembly module structure of the present invention;

[0025] Attachment Figure 6 It is a left side view of the motion module and assembly module structure of the present invention;

[0026] Attachment Figure 7 This is a front view of the X-axis motion module and the Z-axis motion module structure of the present invention;

[0027] Attachment Figure 8 A top view of the X-axis motion module and the Z-axis motion module structure of the present invention;

[0028] Attachment Figure 9 It is a top view of the Y-axis motion module structure of the present invention. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Attachment Figure 1 To the attached Figure 9 A special scissor-leg semi-automatic assembly device includes a motion module 4, at least one assembly module 3, a human-machine interface 1, a CCD camera 2, a display screen 5, two safety light curtains 6, a material tray 7, and a movable bracket 10. The length direction of the motion module 4 is the X-axis direction, the width direction of the motion module 4 is the Y-axis direction, and the height direction of the motion module 4 is the Z-axis direction.

[0031] A workbench 101 is located in the middle of the bracket 10. A motion module 4 is mounted on the workbench 101, and an assembly module 3 is mounted on the motion module 4. A material tray 7 is positioned below the assembly module 3. Safety light curtains 6 are located at both ends of the assembly module 3. A CCD camera 2 is positioned above the material tray 7 and connected to the motion module 4. A human-machine interface 1 and a display screen 5 are located near the top of the bracket 10. The safety light curtain 6 is mounted on the workbench 101, and the material tray 7 is positioned at the bottom of the motion module 4. Four adjustable and movable Foma wheels are located at the four corners of the bottom of the bracket 10. An audible and visual alarm is located at the top of the bracket 10. Positioning using the CCD camera 2 improves positioning accuracy.

[0032] Motion module 4 includes an X-axis motion module 41, a Y-axis motion module 45, a first Z-axis motion module 42, and a second Z-axis motion module 43. The first Z-axis motion module 42 and the second Z-axis motion module 43 are slidably connected in parallel at the top of the X-axis motion module 41. A first Z-axis servo motor 420 is installed at the top of the first Z-axis motion module 42, and a second Z-axis servo motor 430 is installed at the top of the second Z-axis motion module 43. A Y-axis motion module 45 is installed below the first Z-axis motion module 42 and the second Z-axis motion module 43. The Y-axis motion module 45 is installed at the top of the workbench 101. A CCD camera 2 is installed between the first Z-axis motion module 42 and the second Z-axis motion module 43.

[0033] The X-axis motion module 41 includes an X-axis servo motor 411, two X-axis linear guides 412, an X-axis ball screw 413, an X-axis slide 414, at least one X-axis sensor 415, and a gantry-type X-axis transmission base 416. The X-axis servo motor 411 drives the X-axis slide 414 to slide along the X-axis linear guides 412 via the X-axis ball screw 413. The X-axis sensor 415 is positioned on one side of the X-axis slide 414 along its length, and the X-axis slide 414 is positioned on the X-axis transmission base 416 near the X-axis sensor 415. The use of the gantry-type X-axis transmission base 416, i.e., a gantry beam structure, ensures a stable structure and transmission between the first Z-axis motion module 42 and the second Z-axis motion module 43.

[0034] The Y-axis motion module 45 includes a Y-axis servo motor 451, a Y-axis ball screw 452, two Y-axis linear guides 453, a Y-axis fixed base 457, a Y-axis sensor 458, and a Y-axis slide 459. The Y-axis servo motor 451 drives the Y-axis slide 459 via the Y-axis ball screw 452, which slides along the Y-axis linear guide 453. The Y-axis linear guide 453 is mounted on the Y-axis fixed base 457. A Y-axis sensor 458 is mounted on the Y-axis fixed base 457, located near the length of the Y-axis linear guide 453. A keyboard aluminum plate positioning cylinder 341 is mounted on the Y-axis slide 459. This cylinder is connected to a mesh cover 33. A keyboard aluminum plate 34 is pressed between the mesh cover 33 and the Y-axis slide 459.

[0035] The assembly module 3 includes a first assembly module 31 and a second assembly module 32. The first assembly module 31 is connected to the first Z-axis motion module 42 via three fixed right-angle seats 310, and the second assembly module 32 is connected to the second Z-axis motion module 43 via three fixed right-angle seats 310. Five chucks 311 are provided at the bottom of each of the first and second assembly modules 31 and 32.

[0036] A swing tray holder 71 is located at the bottom of the swing tray 7. This holder 71 is connected to a swing tray positioning cylinder 72. Five types of special scissor legs, each with two sets, are manually placed on the swing tray 7, allowing for manual loading and automatic assembly, improving the manual operation environment and increasing efficiency.

[0037] After the Y-axis motion module 45 is positioned on the workbench 101, the X-axis motion module 41 drives the first Z-axis motion module 42 and the second Z-axis motion module 43 to slide in the X-axis direction, and the first assembly module 31 and the second assembly module 32 are positioned on the upper side of the keyboard aluminum plate 34 through the CCD camera 2. The chuck 311 clamps the five special scissor feet on the material tray 7 and assembles them at the corresponding positions of the keyboard aluminum plate 34.

[0038] The above are only specific application examples of the present invention and do not constitute any limitation on the scope of protection of the present invention. Any technical solutions formed by equivalent transformation or equivalent replacement shall fall within the scope of protection of the present invention.

Claims

1. A special scissor foot semi-automatic assembly equipment, characterized by: It includes a motion module, at least one assembly module, a human-machine interface, a CCD camera, a display screen, two safety light curtains, a swing material tray and a movable bracket, with the length direction of the motion module as the X-axis direction, the width direction of the motion module as the Y-axis direction, and the height direction of the motion module as the Z-axis direction. A workbench is provided at the middle position of the bracket, the motion module is provided on the workbench, the assembly module is provided on the motion module, the swing material tray is provided at the lower side of the assembly module, the safety light curtains are provided at both ends of the assembly module, the CCD camera is provided on the upper side of the swing material tray and is connected to the motion module, the human-machine interface and the display screen are provided near the top end of the bracket, the safety light curtain is provided on the workbench, and the swing material tray is provided at the bottom end of the motion module; The motion module includes an X-axis motion module, a Y-axis motion module, a first Z-axis motion module and a second Z-axis motion module, the first Z-axis motion module and the second Z-axis motion module are slidably connected in parallel at the top of the X-axis motion module, the Y-axis motion module is arranged at the lower side of the first Z-axis motion module and the second Z-axis motion module, and the Y-axis motion module is arranged at the top of the workbench; The X-axis motion module includes an X-axis servo motor, a plurality of X-axis linear guides, an X-axis ball screw, an X-axis slide, at least one X-axis sensor and a gantry-type X-axis transmission base, wherein the X-axis servo motor drives the X-axis slide to slide on the X-axis linear guide through the X-axis ball screw, the X-axis sensor is arranged at one side of the length direction of the X-axis slide, and the X-axis slide is arranged on the X-axis transmission base close to the X-axis sensor; The Y-axis motion module includes a Y-axis servo motor, a Y-axis ball screw, a plurality of Y-axis linear guides, a Y-axis fixed base, a Y-axis sensor and a Y-axis slide. The Y-axis servo motor drives the Y-axis slide to slide on the Y-axis linear guide through the Y-axis ball screw. The Y-axis linear guide is arranged on the Y-axis fixed base. The Y-axis sensor is arranged on one side close to the length direction of the Y-axis linear guide. The Y-axis sensor is arranged on the Y-axis fixed base. A first Z-axis servo motor is provided at the top of the first Z-axis motion module; A second Z-axis servo motor is provided at the top of the second Z-axis motion module, and the CCD camera is provided at the middle position between the first Z-axis motion module and the second Z-axis motion module; A keyboard aluminum plate positioning cylinder is provided on the Y-axis slide, and the keyboard aluminum plate positioning cylinder is connected to a grid cover plate; A keyboard aluminum plate is pressed between the grid cover plate and the Y-axis slide seat; A swing material tray fixing seat is provided at the bottom end of the swing material tray, and the swing material tray fixing seat is connected to the swing material tray positioning cylinder; The assembly module comprises a first assembly module and a second assembly module, the first assembly module is connected to the first Z-axis motion module via a plurality of fixed right-angle seats, the second assembly module is connected to the second Z-axis motion module via a plurality of fixed right-angle seats, and a plurality of chucks are provided at the bottom ends of the first assembly module and the second assembly module; After the Y-axis motion module is positioned on the workbench, the X-axis motion module drives the first Z-axis motion module and the second Z-axis motion module to slide in the X-axis direction. The first assembly module and the second assembly module are positioned on the upper side of the keyboard aluminum plate through the CCD camera, and the chuck clamps the 5 special scissor feet on the swing plate and assembles them at the corresponding positions of the keyboard aluminum plate.

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