CN203337366U

CN203337366U - Keyboard test machine Y-axis moving platform

Info

Publication number: CN203337366U
Application number: CN201320268570XU
Authority: CN
Inventors: 缪海飞
Original assignee: Suzhou Rihe Technology Co Ltd
Current assignee: Suzhou Rihe Technology Co Ltd
Priority date: 2013-05-16
Filing date: 2013-05-16
Publication date: 2013-12-11
Anticipated expiration: 2023-05-16

Abstract

The utility model discloses a keyboard test machine Y-axis moving platform, comprising a baseboard. The moving platform is characterized in that the baseboard is provided with a lead screw driving mechanism. The mechanism comprises a lead screw base, two groups of lead screw motors fixed on two ends of the lead screw base and are distributed in opposite and cross manner, and two groups of guiding spacing grooves which are disposed on the lead screw base in parallel and staggered manner and are used to store front end screws of corresponding lead screw motors. The numbers of each group of the lead screw motors and each group of the guiding spacing grooves are n. A group of n translation frames are horizontally disposed on the lead screw base, corresponding to each group of the guiding spacing grooves. Movable blocks are fixed on the bottoms of n translation frames in each group, corresponding to the n guiding spacing grooves below in the same group in a one-to-one correspondence manner, wherein n>=2. The movable blocks are slidably disposed in the corresponding guiding spacing grooves and are cooperated with the screw through a threaded hole. The moving platform has good displacement accuracy and moving stationarity, and is small in volume and compact in structure.

Description

Keyboard test machine y-axis shift moving platform

Technical field

the utility model relates to a kind of displacement adjustment control apparatus of keyboard tester, is specifically related to a kind of keyboard test machine y-axis shift moving platform.

Background technology

the core institution of existing keyboard test machine is all to move by a set of XYZ axle three-dimensional the displacement that system is accurately controlled measuring head, guarantee that measuring head can accurately rest on the button top of need detecting, and then whether the indexs such as the sensitivity after test button pressurized, pressure meet designing requirement.Wherein traversing along Y-axis of the whole preposition X-axis fine setting of y-axis shift actuation mechanism major control measuring head mechanism, should say for the displacement accuracy of equipment set all most important.Yet activity precision and the stationarity of existing y-axis shift actuation mechanism are all poor, and also exist volume bigger than normal, defect overstaffing in organizations.

Summary of the invention

the utility model purpose is: provide a kind of displacement accuracy and activity stationarity good, and volume is small and exquisite, the keyboard test machine y-axis shift moving platform of compact conformation.

the technical solution of the utility model is: a kind of keyboard test machine y-axis shift moving platform, comprise base plate, it is characterized in that described base plate is provided with the leading screw driving mechanism, this mechanism comprises the leading screw seat, be fixed in leading screw seat two ends and the two cocainine thick stick motors that are interspersed in opposite directions and parallel staggered being located on the leading screw seat for holding two groups of guide and limit grooves of corresponding spindle motor front end screw rod, and the quantity of every cocainine thick stick motor and every group of guide and limit groove is n; There is one group of altogether n pan carriage the top of described leading screw seat corresponding to every group of guide and limit groove is all horizontal, and the bottom of every group of n pan carriage is one by one corresponding to below interior n bar guide and limit groove and be fixed with movable block, n>=2 on the same group; Described movable block is slidedly arranged in corresponding guide and limit groove and coordinates with screw rod by threaded hole.

preferably, the two ends of the seat of leading screw described in the utility model are fixed with two motor mounting plates relatively, and described two cocainine thick stick motors are separately fixed on two motor mounting plates.

preferably, the groove of guide and limit described in the utility model is that cross section is circular fluting, and top and the pan carriage of described movable block are fixed, and bottom is cylindrical and coordinate with described guide and limit groove.The movable block bottom adopts cylindrical structural to coordinate with the fluting of round section, can either guarantee the steadiness of assembling, can guarantee smooth slippage again.

preferably, the two ends of the seat of leading screw described in the utility model are fixed with two bracing frames relatively, be slidably fitted with two groups of 2n pan carriage activity limit sensors altogether by guide rod between described two bracing frames, described two groups of common 2n pan carriage activity limit sensors are corresponding one by one with two groups of common 2n pan carriage of below, n>=2; And each pan carriage activity limit sensors all is electrically connected to being used for driving the spindle motor of corresponding pan carriage with it.

preferably, the two ends of each pan carriage described in the utility model all are equipped with the roller rolled on the leading screw seat.

the utility model, when real work, all is used for fixing an X-axis fine setting measuring head mechanism on its each pan carriage.Each spindle motor in the utility model all works alone, and for driving corresponding pan carriage, along the Y direction of keyboard test machine, seesaws.The stroke two ends that each pan carriage is moved along the guide and limit groove limit by corresponding pan carriage activity limit sensors, what the pan carriage activity limit sensors in the utility model mainly adopted certainly is conventional infrared sensor, is well known to those skilled in the art.

the utility model has the advantages that:

1. this keyboard test machine y-axis shift moving platform that the utility model provides, the spindle motor of its leading screw seat both sides and the guide and limit groove on the leading screw seat all adopt the form be interspersed, this kind of distribution form can effectively utilize space, guarantees that the platform and integrally volume is small and exquisite, compact conformation.

this keyboard test machine y-axis shift moving platform that the utility model provides, the displacement accuracy of its leading screw driving mechanism is high, and the activity stationarity is good, uses to the keyboard test machine and can greatly improve work quality.

The accompanying drawing explanation

below in conjunction with drawings and Examples, the utility model is further described:

fig. 1 is whole perspective view of the present utility model;

fig. 2 is whole front view of the present utility model;

fig. 3 is whole vertical view of the present utility model;

fig. 4 is the independent perspective view of leading screw seat;

fig. 5 is the independent perspective view of pan carriage;

fig. 6 is the independent perspective view of movable block.

wherein: 1, base plate; 2, leading screw seat; 3, spindle motor; 4, screw rod; 5, guide and limit groove; 6, pan carriage; 7, movable block; 8, roller; 9, motor mounting plate; 10, bracing frame; 11, guide rod; 12, pan carriage activity limit sensors; 13, pilot hole; 14, threaded hole.

Embodiment

embodiment: shown in Fig. 1 ~ Fig. 6, this keyboard test machine y-axis shift moving platform that the utility model provides, it has base plate 1, described base plate 1 is provided with the leading screw driving mechanism, and this mechanism is comprised of leading screw seat 2, spindle motor 3, screw rod 4, guide and limit groove 5, pan carriage 6, movable block 7, roller 8, motor mounting plate 9, bracing frame 10, guide rod 11 and pan carriage activity limit sensors 12 these parts.

the two ends of the seat of leading screw described in the present embodiment 2 are fixed with 9, two groups of two motor mounting plates 3 every group of totally 6 spindle motor 3(relatively) be separately fixed on two motor mounting plates 9.And two cocainine thick stick motors 3 are interspersed in opposite directions.Described spindle motor 3 is routine techniques, and its front end is fixed with screw rod 4.

on leading screw seat 2 in the present embodiment, be provided with for holding two groups of guide and limit grooves 5 of corresponding spindle motor 3 front end screw rods 4 parallel interlocking, the quantity of every group of guide and limit groove 5 is 6, specifically as shown in Figure 4 simultaneously.There is one group of totally 3 pan carriage 6 top of described leading screw seat 2 corresponding to every group of guide and limit groove 5 is all horizontal, and the bottom of every group of 3 pan carriage 6 is 3 guide and limit grooves 5 on the same group and be fixed with movable block 7 corresponding to below one by one; Described movable block 7 is slidedly arranged in corresponding guide and limit groove 5 and by threaded hole 14 and coordinates with screw rod 4.

on pan carriage 6 in the present embodiment, determine according to the position of the guide and limit groove 5 of below correspondence with pilot hole 13 positions on fixing each pan carriage 6 of movable block 7(for wearing screw in Design Orientation hole 13), specifically as shown in Figure 5.Described in the present embodiment, the two ends of each pan carriage 6 all are equipped with the roller 8 rolled on leading screw seat 2 simultaneously, see Fig. 1 and Fig. 2.The groove of guide and limit described in the present embodiment 5 is that cross section is circular fluting, the top of described movable block 7 (have pilot hole but do not mark) is fixed by screw with pan carriage 6, and bottom is cylindrical and coordinate with described guide and limit groove 5, specifically in conjunction with shown in Fig. 4 and Fig. 6; Cylindrical center bore is that threaded hole 14 coordinates with screw rod 4.

shown in Fig. 1 ~ Fig. 3, relatively be fixed with two bracing frames 10 at the two ends of described leading screw seat 2 in the present embodiment, be total to six roots of sensation guide rod 11 by 3 pairs between described two bracing frames 10 and be slidably fitted with two groups of totally 6 pan carriage activity limit sensors 12,3 every group pan carriage activity limit sensors 12 are arranged on respectively on 3 pairs of guide rods 11.Described two groups totally 6 pan carriage activity limit sensors 12 and below two groups totally 6 pan carriage 6 are corresponding one by one; And each pan carriage activity limit sensors 12 all is electrically connected to being used for driving the spindle motor 3 of corresponding pan carriage 6 with it.

the utility model, when real work, all is used for fixing an X-axis fine setting measuring head mechanism on its each pan carriage 6.Each spindle motor 3 in the utility model all works alone, and for driving corresponding pan carriage 6, along the Y direction of keyboard test machine, seesaws.The stroke two ends that each pan carriage 6 is moved along guide and limit groove 5 limit by corresponding pan carriage activity limit sensors 12, certainly the 12 main employings of the pan carriage activity limit sensors in the utility model is conventional infrared sensor, is well known to those skilled in the art.

above embodiment is only the utility model a kind of embodiment wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims

1. a keyboard test machine y-axis shift moving platform, comprise base plate (1), it is characterized in that described base plate (1) is provided with the leading screw driving mechanism, this mechanism comprises leading screw seat (2), is fixed in leading screw seat (2) two ends and the two cocainine thick stick motors (3) that are interspersed in opposite directions and the parallel staggered leading screw seat (2) of being located at above for holding two groups of guide and limit grooves (5) of corresponding spindle motor (3) front end screw rod (4), and the quantity of every cocainine thick stick motor (3) and every group of guide and limit groove (5) is n; The top of described leading screw seat (2) has one group to be total to n pan carriage (6) corresponding to every group of guide and limit groove (5) is all horizontal, the bottom of every group n pan carriage (6) is the n bar guide and limit groove (5) on the same group and be fixed with movable block (7), n >=2 corresponding to below one by one; Described movable block (7) is slidedly arranged in corresponding guide and limit groove (5) and coordinates with screw rod (4) by threaded hole.

2. keyboard test machine y-axis shift moving platform according to claim 1, is characterized in that the two ends of described leading screw seat (2) are fixed with two motor mounting plates (9) relatively, and described two cocainine thick stick motors (3) are separately fixed on two motor mounting plates (9).

3. keyboard test machine y-axis shift moving platform according to claim 1, it is characterized in that described guide and limit groove (5) is that cross section is circular fluting, the top of described movable block (7) and pan carriage (6) are fixing, and bottom is cylindrical and coordinate with described guide and limit groove (5).

4. keyboard test machine y-axis shift moving platform according to claim 1, the two ends that it is characterized in that described leading screw seat (2) are fixed with two bracing frames (10) relatively, be slidably fitted with two groups of 2n pan carriage activity limit sensors (12) altogether by guide rod (11) between described two bracing frames (10), described two groups of common 2n pan carriage activity limit sensors (12) are corresponding one by one with two groups of common 2n pan carriage (6) of below, n >=2; And each pan carriage activity limit sensors (12) all is electrically connected to being used for driving the spindle motor (3) of corresponding pan carriage (6) with it.

5. keyboard test machine y-axis shift moving platform according to claim 1, is characterized in that the two ends of described each pan carriage (6) all are equipped with in the upper roller (8) rolled of leading screw seat (2).