An XY distance-changing mechanism for adjusting keycap distance

Abstract

The invention discloses an XY pitch-changing mechanism for keycap pitch adjustment, comprising a Y pitch-changing mold, an X pitch-changing module and a side plate, wherein a fixing seat is installed at the bottom ends of the three, the X pitch-changing module comprises a plurality of X pitch-changing bars arranged in an array, and both ends of each of the X pitch-changing bars are fixed with X pitch-changing limit bars, the Y pitch-changing mold comprises a plurality of Y pitch-changing bars arranged in an array, and each of the Y pitch-changing bars is arranged on the top surface of the X pitch-changing bar; the grid gap of the transmission mechanism does not need to be adjusted, and the position accuracy is ensured by the processing accuracy of the body; the whole transmission mechanism only needs to adjust the moving distance of the motor for automatic adjustment; the invention has novel structure, high transmission efficiency, compact space, convenient adjustment, easy maintenance after damage, and reduces the cost of the positioning structure; compared with the previous structure adopting the progressive spring method, the invention is more stable; at the same time, each group of the mechanism is independently controlled, convenient to disassemble, and easy to maintain and repair in the later stage.

Description

Technical Field

[0001] The invention belongs to the technical field of key cap processing equipment, and in particular relates to an XY distance-changing mechanism for adjusting the distance of a key cap. Background Art

[0002] The keycaps belong to the key parts of the keyboard and are operated through the markings on the keycaps. During the processing of the keyboard, they need to be produced through specific automated equipment. During the production, the distance between the XY axes of the keycaps needs to be adjusted through a specific variable distance mechanism.

[0003] In the processing of existing keycaps, progressive springs are used for pitch change. This structure has obvious disadvantages and poor pitch change capability. Each key is affected by the accumulated tolerance of the previous key, resulting in large deviations in the later stage, which seriously affects the processing quality. Therefore, there are great limitations in actual use. To this end, the present invention provides an XY pitch change mechanism for keycap pitch adjustment. Summary of the invention

[0004] The object of the present invention is to provide an XY distance-changing mechanism for adjusting the distance of a keycap, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: an XY pitch-changing mechanism for keycap pitch adjustment, comprising a Y pitch-changing mold, an X pitch-changing module and a side plate, and a fixing seat is installed at the bottom ends of the three, the X pitch-changing module comprises a plurality of X pitch-changing bars arranged in an array, and both ends of each of the X pitch-changing bars are fixed with X pitch-changing limiting bars, the Y pitch-changing mold comprises a plurality of Y pitch-changing bars arranged in an array, each of the Y pitch-changing bars is arranged on the top surface of the X pitch-changing bar, and the Y pitch-changing bar is perpendicular to the X pitch-changing bar, and both ends of the Y pitch-changing bar are fixed with Y pitch-changing limiting bars, the surface ends of the Y pitch-changing mold are symmetrically provided with Y pitch-changing profiling grooves, the top ends of the Y pitch-changing limiting bars penetrate to the inner side of the Y pitch-changing profiling grooves, the surface ends of the side plates are provided with X pitch-changing profiling grooves, and the top ends of the X pitch-changing limiting bars penetrate to the inner side of the X pitch-changing profiling grooves.

[0006] Preferably, a plurality of Y-variable bar adjustment grooves of unequal lengths are provided on the surface of the Y-variable bar, and the lengths of the Y-variable bar adjustment grooves increase symmetrically from the center of the Y-variable bar to both ends; a plurality of X-variable bar adjustment grooves of unequal lengths are provided on the surface of the X-variable bar, and the lengths of the X-variable bar adjustment grooves increase symmetrically from the center of the X-variable bar to both ends; each of the X-variable bar adjustment grooves partially or completely overlaps with each of the Y-variable bar adjustment grooves, and a suction head fixing module is placed in the overlapping area, and a suction head module is provided at the bottom end of the suction head fixing module.

[0007] Preferably, the suction head fixing module comprises a suction head fixing block, an X-variable pitch oil groove is provided on one side of the suction head fixing block, and a Y-variable pitch oil groove is provided on the other side, the X-variable pitch oil groove is located inside the Y-variable pitch bar adjustment groove, and the Y-variable pitch oil groove is located inside the X-variable pitch bar adjustment groove, the interior of the suction head fixing block is hollow, a suction cup is fixed on the top end of the suction head fixing block, and the bottom end of the suction head fixing block is connected to an external vacuum device.

[0008] Preferably, an X-variable pitch drive motor is provided on one side of the surface of the fixed seat relative to the X-variable pitch bar, an X-variable pitch power output shaft is provided on one side of the X-variable pitch drive motor, and the X-variable pitch drive motor and the X-variable pitch power output shaft are connected by a coupling, and a Y-variable pitch drive motor is fixed to the bottom end surface of the fixed seat, a Y-variable pitch drive motor is provided on one side of the Y-variable pitch drive motor, and the Y-variable pitch drive motor and the Y-variable pitch power output shaft are connected by a coupling.

[0009] Preferably, the surface of the fixed seat is provided with X-variable pitch linear guide rails at the bottoms of both ends of the X-variable pitch bar, and the X-variable pitch bar is slidably connected to the X-variable pitch linear guide rails.

[0010] Preferably, a Y-variable pitch moving slider is provided on the surface of the fixed seat relative to the bottom of both ends of the Y-variable pitch bar, the Y-variable pitch bar is slidably connected with the Y-variable pitch moving slider, and a Y-variable pitch linear guide is fixed to the end of the Y-variable pitch moving slider.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the grid gap of the transmission mechanism does not need to be adjusted, and its position accuracy is ensured by the processing accuracy of the main body. The entire transmission mechanism only needs to adjust the moving distance of the motor for automatic adjustment. The present invention has a novel structure, high transmission efficiency, compact space, convenient adjustment, and easy repair after damage, which reduces the cost of the positioning structure. Compared with the previous structure, the progressive spring method is adopted, which is more stable. At the same time, each group of this mechanism is independently controlled, easy to disassemble, and easy to maintain and repair in the future. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the installation of the X-variable pitch bar of the present invention;

[0014] Figure 3 This is a top view of the installation of the X-variable pitch bar of the present invention;

[0015] Figure 4 This is a schematic diagram of the connection structure between the X-distance variable strip and the suction head fixing block of the present invention;

[0016] Figure 5It is a schematic diagram of the installation of the X-pitch variable drive motor and the Y-pitch variable drive motor of the present invention;

[0017] Figure 6 It is a connection diagram of the X variable distance bar, the Y variable distance bar and the suction head fixing block of the present invention;

[0018] Figure 7 It is a schematic diagram of the structure of the suction head fixing block of the present invention.

[0019] In the figure: 1. Y-pitch variable mold; 11. Y-pitch variable limit strip; 12. Y-pitch variable moving slider; 13. Y-pitch variable linear guide; 14. Y-pitch variable strip; 141. Y-pitch variable strip adjustment slot; 15. Y-pitch variable power output shaft; 16. Y-pitch variable drive motor; 17. Y-pitch variable profile slot; 2. X-pitch variable module; 21. X-pitch variable profile slot; 22. X-pitch variable strip; 221. X-pitch variable strip adjustment slot; 23. X-pitch variable linear guide; 24. X-pitch variable drive motor; 25. X-pitch variable power output shaft; 3. Suction head fixed module; 4. Suction head module; 5. Fixed seat; 6. Suction head fixed block; 61. Suction cup; 62. X-pitch variable oil tank; 63. Y-pitch variable oil tank. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figures 1 to 7The present invention provides a technical solution: an XY pitch-changing mechanism for keycap pitch adjustment, comprising a Y pitch-changing mold 1, an X pitch-changing module 2 and a side plate, and a fixing seat 5 is installed at the bottom ends of the three, the X pitch-changing module 2 comprises a plurality of X pitch-changing bars 22 arranged in an array, and both ends of each X pitch-changing bar 22 are fixed with X pitch-changing limit bars, the Y pitch-changing mold 1 comprises a plurality of Y pitch-changing bars 14 arranged in an array, each Y pitch-changing bar 14 is arranged on the top surface of the X pitch-changing bar 22, and the Y pitch-changing bar 14 is vertical to the X pitch-changing bar 22, and both ends of the Y pitch-changing bar 14 are fixed with Y pitch-changing limit bars 11, and both ends of the surface of the Y pitch-changing mold 1 are symmetrically provided with Y pitch-changing profiling grooves 17, and the Y pitch-changing The top of the limit strip 11 penetrates to the inner side of the Y-variable pitch profiling groove 17, and the two ends of the surface of the side plate are provided with X-variable pitch profiling grooves 21. The top of the X-variable pitch limit strip penetrates to the inner side of the X-variable pitch profiling groove 21. The grid gap of the transmission mechanism does not need to be adjusted, and its position accuracy is ensured by the processing accuracy of the main body. The whole transmission mechanism only needs to adjust the moving distance of the motor for automatic adjustment. The present invention has novel structure, high transmission efficiency, compact space, convenient adjustment, easy maintenance after damage, and reduces the cost of the positioning structure. Compared with the previous structure using the progressive spring method, it is more stable. At the same time, each group of this mechanism is independently controlled, easy to disassemble, and easy to maintain and repair in the later stage.

[0022] In this embodiment, preferably, a plurality of Y-variable bar adjustment grooves 141 of unequal lengths are provided on the surface of the Y-variable bar 14, and the length of the Y-variable bar adjustment groove 141 increases symmetrically from the center of the Y-variable bar 14 to both ends, and a plurality of X-variable bar adjustment grooves 221 of unequal lengths are provided on the surface of the X-variable bar 22, and the length of the X-variable bar adjustment groove 221 increases symmetrically from the center of the X-variable bar 22 to both ends, and each X-variable bar adjustment groove 221 partially or completely overlaps with each Y-variable bar adjustment groove 141, and a suction head fixing module 3 is placed in the overlapping area, and a suction head fixing module 4 is provided at the bottom end of the suction head fixing module 3, so as to facilitate the adjustment of the suction head fixing module 3.

[0023] In this embodiment, preferably, the suction head fixing module 3 includes a suction head fixing block 6, an X-variable pitch oil groove 62 is opened on one side of the suction head fixing block 6, and a Y-variable pitch oil groove 63 is opened on the other side, the X-variable pitch oil groove 62 is located on the inner side of the Y-variable pitch bar adjustment groove 141, and the Y-variable pitch oil groove 63 is located on the inner side of the X-variable pitch bar adjustment groove 221, the interior of the suction head fixing block 6 is hollow, a suction cup 61 is fixed to the top of the suction head fixing block 6, and the bottom end of the suction head fixing block 6 is connected to an external vacuum device.

[0024] In this embodiment, preferably, an X-variable pitch drive motor 24 is provided on one side of the surface of the fixed seat 5 relative to the X-variable pitch bar 22, an X-variable pitch power output shaft 25 is provided on one side of the X-variable pitch drive motor 24, and the X-variable pitch drive motor 24 and the X-variable pitch power output shaft 25 are connected by a coupling transmission, and a Y-variable pitch drive motor 16 is fixed to the bottom end surface of the fixed seat 5, a Y-variable pitch drive motor 16 is provided on one side of the Y-variable pitch drive motor 16, and the Y-variable pitch drive motor 16 and the Y-variable pitch power output shaft 15 are connected by a coupling transmission.

[0025] In this embodiment, preferably, X-variable pitch linear guide rails 23 are provided on the surface of the fixed seat 5 relative to the bottom of both ends of the X-variable pitch bar 22, and the X-variable pitch bar 22 is slidably connected to the X-variable pitch linear guide rails 23.

[0026] In this embodiment, preferably, a Y-variable pitch movable slider 12 is provided on the surface of the fixed seat 5 at the bottom of both ends of the Y-variable pitch bar 14, the Y-variable pitch bar 14 is slidably connected to the Y-variable pitch movable slider 12, and a Y-variable pitch linear guide 13 is fixed to the end of the Y-variable pitch movable slider 12.

[0027] The working principle and use process of the present invention are as follows: when the present invention is used, the X-pitch drive motor 24 and the Y-pitch drive motor 16 are first started, and the two are used as power sources. Then, the X-pitch drive motor 24 and the Y-pitch drive motor 16 are respectively connected to the X-pitch power output shaft 25 and the Y-pitch power output shaft 15 through a coupling, and then the X-pitch drive motor 24 transmits power to the X-pitch profiling groove 21, and then the X-pitch profiling groove 21 transmits power to the X-pitch linear guide 23, and the Y-pitch drive motor 16 transmits power to the Y-pitch profiling groove 17, and then the Y-pitch profiling groove 17 transmits power to the Y-pitch linear guide 13, and finally the power is transmitted to each pitch bar, at this time, the fixed seat 5 is fixed, the vacuum air path is opened, and all the suction cups 61 are connected, so that the key cap can be pitched in the XY direction;

[0028] When adjusting the XY axis, the Y variable pitch limit strips 11 at both ends of the Y variable pitch mold 1 are located inside the Y variable pitch profiling groove 17, and the X variable pitch limit strips at both ends of the X variable pitch strip 22 are located inside the X variable pitch profiling groove 21. Since the X variable pitch profiling groove 21 and the Y variable pitch profiling groove 17 are both centrally shaped and inclined to both sides, and the inclination angles are different, during the movement of the X variable pitch drive motor 24 and the Y variable pitch drive motor 16, the Y variable pitch limit strip 11 moves inside the Y variable pitch profiling groove 17. The X-variable spacing bar 22 is moved in the X-variable spacing profiling groove 21 and guided by the X-variable spacing profiling groove 21, so that the spacing between each two X-variable spacing bars 22 is increased to adjust the X-axis. In the adjustment of the Y-axis direction, the X-variable spacing bar 22 is driven by the X-variable spacing driving motor 24 to move, so that the X-variable spacing bar 22 is moved with the Y-variable spacing bar 22. 14 vertical movement, then the suction head fixing block 6 moves in the X-variable distance bar adjustment slot 221, and the direction of movement of the suction head fixing block 6 is perpendicular to the movement direction of the Y-variable distance bar 14 and the Y-variable distance bar adjustment slot 141, so the positions of the Y-variable distance bar 14 and the suction head fixing block 6 do not change, and the suction head fixing block 6 drives the Y-variable distance bar 14 to move as a whole on the X-variable distance bar 22, so as to complete the adjustment of the Y axis. When adjusting the X axis, the suction head fixing block 6 is in the Y-variable distance bar adjustment slot 14 1, at this time, the movement direction of the suction head fixing block 6 is perpendicular to the X-variable distance bar 22. During the movement, the positions of the suction head fixing block 6, the X-variable distance bar 22 and the X-variable distance bar adjustment groove 221 do not change, and the suction head fixing block 6 drives the X-variable distance bar 22 to move in the Y-variable distance bar adjustment groove 141, so as to adjust the X-axis. During the overall movement, the X-variable distance oil groove 62 moves in the Y-variable distance bar adjustment groove 141, and the Y-variable distance oil groove 63 moves in the X-variable distance bar adjustment groove 221.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An XY pitch-changing mechanism for keycap pitch adjustment, characterized in that: The invention comprises a Y-variable pitch mold (1), an X-variable pitch module (2) and a side plate, and a fixing seat (5) is installed at the bottom ends of the three. The X-variable pitch module (2) comprises a plurality of X-variable pitch bars (22) arranged in an array, and each of the two ends of the X-variable pitch bar (22) is fixed with an X-variable pitch limit bar. The Y-variable pitch mold (1) comprises a plurality of Y-variable pitch bars (14) arranged in an array, and each of the Y-variable pitch bars (14) is arranged on the top surface of the X-variable pitch bar (22), and the Y-variable pitch bar (14) is perpendicular to the X-variable pitch bar (22). The two ends of the Y-variable pitch bar (14) are fixed with a Y-variable pitch limit bar (11). The surface of the Y-variable pitch mold (1) is symmetrically provided with Y-variable pitch profiling grooves (17), and the top end of the Y-variable pitch limit bar (11) penetrates to the inner side of the Y-variable pitch profiling groove (17). The surface of the side plate is provided with a plurality of Y-variable pitch bars (14) arranged in an array, and each of the Y-variable pitch bars (14) is fixed with an X-variable pitch limit bar (11). An X-variable distance profiling groove (21) is provided, and the top end of the X-variable distance limiting strip penetrates the inner side of the X-variable distance profiling groove (21); a plurality of Y-variable distance bar adjusting grooves (141) of unequal lengths are provided on the surface of the Y-variable distance bar (14), and the lengths of the Y-variable distance bar adjusting grooves (141) increase symmetrically from the center of the Y-variable distance bar (14) to both ends; a plurality of X-variable distance bar adjusting grooves (221) of unequal lengths are provided on the surface of the X-variable distance bar (22), and the lengths of the X-variable distance bar adjusting grooves (221) increase symmetrically from the center of the X-variable distance bar (22) to both ends; each of the X-variable distance bar adjusting grooves (221) partially or completely overlaps with each of the Y-variable distance bar adjusting grooves (141), and a suction head fixing module (3) is placed in the overlapping area, and a suction head module (4) is provided at the bottom end of the suction head fixing module (3); An X-pitch variable drive motor (24) is arranged on a side of the surface of the fixed seat (5) opposite to the X-pitch variable bar (22); an X-pitch variable power output shaft (25) is arranged on one side of the X-pitch variable drive motor (24); the X-pitch variable drive motor (24) and the X-pitch variable power output shaft (25) are connected to each other by a coupling; a Y-pitch variable drive motor (16) is fixed to a bottom end surface of the fixed seat (5); a Y-pitch variable drive motor (16) and a Y-pitch variable power output shaft (15) are arranged on one side of the Y-pitch variable drive motor (16); the Y-pitch variable drive motor (16) and the Y-pitch variable power output shaft (15) are connected to each other by a coupling.

2. The XY pitch-changing mechanism for keycap pitch adjustment according to claim 1, characterized in that: The suction head fixing module (3) comprises a suction head fixing block (6); an X-variable pitch oil groove (62) is provided on one side of the suction head fixing block (6), and a Y-variable pitch oil groove (63) is provided on the other side; the X-variable pitch oil groove (62) is located inside the Y-variable pitch bar adjustment groove (141), and the Y-variable pitch oil groove (63) is located inside the X-variable pitch bar adjustment groove (221); the interior of the suction head fixing block (6) is hollow; a suction cup (61) is fixed to the top end of the suction head fixing block (6); and the bottom end of the suction head fixing block (6) is connected to an external vacuum device.

3. The XY pitch-changing mechanism for keycap pitch adjustment according to claim 1, characterized in that: X-variable pitch linear guide rails (23) are provided on the surface of the fixed seat (5) at the bottoms of both ends of the X-variable pitch bar (22), and the X-variable pitch bar (22) is slidably connected to the X-variable pitch linear guide rails (23).

4. The XY pitch-changing mechanism for keycap pitch adjustment according to claim 3, characterized in that: The surface of the fixed seat (5) is provided with Y-variable distance moving sliders (12) at the bottoms of both ends of the Y-variable distance bar (14), the Y-variable distance bar (14) is slidably connected to the Y-variable distance moving sliders (12), and the ends of the Y-variable distance moving sliders (12) are fixed with Y-variable distance linear guides (13).

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