Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides the fixing clamp for drilling the keyboard chassis, which has the advantages of low labor intensity, high safety, uniform clamping force and stable clamping, and solves the problems that the existing fixing clamp has different clamping degrees on keyboard chassis with different specifications, can cause damage or looseness due to over-tightening or over-loosening of clamping, has higher labor intensity and is easy to clamp.
The utility model discloses a fixing clamp for drilling a keyboard chassis, which comprises a mounting frame, wherein a positioning plate is fixedly arranged at one end of the upper surface of the mounting frame, a driving mechanism is arranged at the other end of the mounting frame, clamping mechanisms are connected to two ends of the driving mechanism, movable grooves for the clamping mechanisms to move are formed in two sides of the upper surface of the mounting frame, and a bottom frame for placing the keyboard chassis is fixedly connected to the middle part of the upper surface of the mounting frame.
As the preferable mode of the utility model, the two ends of the positioning plate are fixedly connected with the guide blocks, a plurality of idler wheels are rotatably arranged in the two guide blocks, and one ends of the two guide blocks, which are far away from the positioning plate, are fixedly connected with the mounting plates.
As preferable in the utility model, the driving mechanism comprises two guide rods, wherein the two guide rods are fixedly arranged on the lower surface of one end of the mounting frame, and the bottoms of the two guide rods are fixedly connected with a fixing plate.
As the preferable mode of the utility model, the middle part of the lower surface of the fixed plate is fixedly provided with the motor, the output end of the motor is fixedly connected with the screw rod, the top end of the screw rod is rotatably arranged on the lower surface of the mounting frame, the screw rod body is sheathed with the screw rod sleeve in a threaded manner, and the screw rod sleeve is fixedly arranged in the middle part of the lifting plate.
As the preferable mode of the utility model, the lower surfaces of the two ends of the lifting plate are fixedly connected with sliding sleeves, the two sliding sleeves are respectively sleeved on the two guide rods in a sliding manner, and the upper surfaces of the two ends of the lifting plate are fixedly connected with racks.
As the preferable one of the utility model, the upper surface of one end of the mounting frame far away from the locating plate is fixedly connected with a fixing seat, the clamping mechanism comprises a rotating shaft, one end of the rotating shaft is rotationally connected to the mounting plate, the other end of the rotating shaft rotationally penetrates through the fixing seat, and a gear is sleeved on the fixing seat.
As the preferable mode of the utility model, the gear is meshed with the rack, the shaft body of the rotating shaft is fixedly connected with a plurality of connecting plates, each connecting plate is fixedly provided with a pressing block, and each pressing block is fixedly connected with a plurality of anti-skid convex blocks.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the keyboard chassis is pushed towards the direction close to the positioning plate by arranging the guide blocks and the rollers, so that the keyboard chassis is contacted with the rollers at the two sides and is driven to rotate, the keyboard chassis is gradually centered under the limit of the rollers at the two sides, and the adjustment of the azimuth of the keyboard chassis is realized, so that the keyboard chassis with different specifications can be positioned, and the application range is wider.
2. According to the utility model, the motor drives the screw rod to rotate, the screw rod is in threaded fit with the screw rod sleeve, so that the screw rod sleeve drives the lifting plate to correspondingly move upwards or downwards, thereby driving the two racks to synchronously move, and the rotating shaft is driven to rotate through meshed connection between the racks and the gears.
3. According to the utility model, the lengths of the connecting plates are sequentially arranged from short to long, when the width of the keyboard chassis is relatively smaller, the shortest connecting plates gradually drive the pressing blocks to press on the keyboard chassis along with the rotation of the rotating shaft, when the width of the keyboard chassis is relatively larger, the shortest connecting plates cannot contact with the keyboard chassis in the rotation process, the rotating shaft continues to rotate until the longer connecting plates press on the keyboard chassis, and through the arrangement, the corresponding pressing blocks can be automatically replaced along with the rotation of the rotating shaft, so that the pressing and positioning of the keyboard chassis with different specifications are easily realized, the operation is more convenient, and the stability is higher.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the fixing clamp for drilling a keyboard chassis provided by the embodiment of the utility model comprises a mounting frame 1, wherein one end of the upper surface of the mounting frame 1 is fixedly provided with a positioning plate 3, the other end of the mounting frame 1 is provided with a driving mechanism 2, two ends of the driving mechanism 2 are connected with clamping mechanisms 4, two sides of the upper surface of the mounting frame 1 are provided with movable grooves 101 for the clamping mechanisms 4 to move, and the middle part of the upper surface of the mounting frame 1 is fixedly connected with a bottom frame 5 for placing the keyboard chassis.
Further, the two ends of the positioning plate 3 are fixedly connected with guide blocks 301, a plurality of rollers 302 are rotatably arranged in the two guide blocks 301, and one ends, far away from the positioning plate 3, of the two guide blocks 301 are fixedly connected with a mounting plate 303.
In the application, the inner sides of the two guide blocks 301 are both provided with the chamfer surfaces, the idler wheels 302 are arranged along the chamfer surfaces, when the keyboard chassis is placed on the chassis 5 in operation, one end of the keyboard chassis is firstly approximately placed between the two guide blocks 301, and then the keyboard chassis is pushed towards the direction close to the positioning plate 3, so that the keyboard chassis is contacted with the idler wheels 302 at two sides and drives the idler wheels 302 to rotate, the keyboard chassis is gradually centered under the limit of the idler wheels 302 at two sides, the adjustment of the azimuth of the keyboard chassis is realized, and through the arrangement, the keyboard chassis with different specifications can be positioned, and the application range is wider.
Further, the driving mechanism 2 comprises two guide rods 201, the two guide rods 201 are fixedly mounted on the lower surface of one end of the mounting frame 1, the bottoms of the two guide rods 201 are fixedly connected with a fixing plate 206, a motor 207 is fixedly mounted in the middle of the lower surface of the fixing plate 206, the output end of the motor 207 is fixedly connected with a screw rod 204, the top end of the screw rod 204 is rotatably mounted on the lower surface of the mounting frame 1, a screw rod sleeve 205 is sleeved on the shaft of the screw rod 204 in a threaded manner, the screw rod sleeve 205 is fixedly mounted in the middle of the lifting plate 202, sliding sleeves 203 are fixedly connected to the lower surfaces of two ends of the lifting plate 202 respectively, the two sliding sleeves 203 are respectively sleeved on the two guide rods 201 in a sliding manner, and racks 208 are fixedly connected to the upper surfaces of two ends of the lifting plate 202.
In the application, the screw rod 204 is driven to rotate by the starting motor 207, the screw rod 204 is in threaded fit with the screw rod sleeve 205, so that the screw rod sleeve 205 drives the lifting plate 202 to correspondingly move upwards or downwards, thereby driving the two racks 208 to synchronously move, and the rotating shaft 401 is driven to rotate by the meshed connection between the racks 208 and the gear 405, and the lifting plate 202 can be limited and guided by the two guide rods 201, so that the stability of the lifting plate 202 in the moving process is improved, the good meshing of the racks 208 and the gear 405 is ensured, and the transmission precision is improved.
Further, the mounting bracket 1 is kept away from fixing base 6 of fixed surface fixedly connected with on one end of locating plate 3, clamping mechanism 4 includes pivot 401, pivot 401 one end rotates to be connected on mounting panel 303, the pivot 401 other end rotates to run through fixing base 6, and the fixed cover of tip is equipped with gear 405, gear 405 is connected with rack 208 meshing, fixedly connected with a plurality of connecting plates 402 on the pivot 401 shaft body, all fixed mounting has briquetting 403 on every connecting plate 402, all fixedly connected with a plurality of anti-skidding lugs 404 on every briquetting 403.
When specifically setting up, four connecting plates 402 are a set of, be the circumference setting on pivot 401, set up a plurality of groups on every pivot 401, and the connecting plate 402 length in every group is arranged in proper order by short to long, when keyboard chassis width is less relatively, shortest connecting plate 402 is along with the rotation of pivot 401, drive briquetting 403 gradually and press on the keyboard chassis, when keyboard chassis width is great relatively, shortest connecting plate 402 can not touch the keyboard chassis at the rotation in-process, pivot 401 continues to rotate, until longer connecting plate 402 presses on the keyboard chassis, through this setting, can be along with the rotation of pivot 401, automatic change corresponding briquetting 403, thereby easily realize compressing tightly and the location to different specification keyboard chassis, the operation is more convenient, the stability is also higher.
The working principle of the utility model is as follows:
The keyboard chassis is placed on the chassis 5, one end of the keyboard chassis is approximately placed between the two guide blocks 301, then the keyboard chassis is pushed towards the direction close to the positioning plate 3, the keyboard chassis is enabled to be in contact with the rollers 302 on the two sides and drive the rollers 302 to rotate, the keyboard chassis is gradually centered under the limit of the rollers 302 on the two sides, the adjustment of the keyboard chassis direction is achieved, the starting motor 207 drives the screw rod 204 to rotate, the screw rod 204 is in threaded fit with the screw rod sleeve 205, the screw rod sleeve 205 drives the lifting plate 202 to correspondingly move upwards or downwards, the two racks 208 are driven to synchronously move, the rotating shaft 401 is driven to rotate through the meshing connection between the racks 208 and the gears 405, when the width of the keyboard chassis is relatively smaller, the shortest connecting plate 402 gradually drives the pressing block 403 to press the keyboard chassis along with the rotation of the rotating shaft 401, when the width of the keyboard chassis is relatively larger, the shortest connecting plate 402 cannot be in contact with the keyboard chassis in the rotating process, the rotating shaft 401 continues to rotate until the longer connecting plate 402 is pressed on the keyboard chassis, and the pressing and positioning of the keyboard chassis with different specifications are easily achieved.
In summary, this keyboard chassis drilling fixture, through setting up guide block 301 and gyro wheel 302, promote the keyboard chassis towards the direction that is close to locating plate 3, make keyboard chassis and the gyro wheel 302 of both sides contact and drive gyro wheel 302 rotate, the keyboard chassis is under the spacing of both sides gyro wheel 302, gradually center, realize the regulation to keyboard chassis position, thereby can fix a position the keyboard chassis of different specifications, application scope is wider, starter motor 207 drives lead screw 204 rotation, lead screw 204 and lead screw cover 205 screw-thread fit, make lead screw cover 205 drive lifter plate 202 correspond upwards or move down, thereby drive two racks 208 synchronous motion, through the meshing connection between rack 208 and the gear 405, thereby drive pivot 401 and rotate, through setting up two guide bars 201, can play the effect of spacing and direction to lifter plate 202, improve lifter plate 202 in-process stability, thereby improve the transmission precision, through arranging connecting plate 402 length from short to long, when keyboard chassis width is relatively small, shortest connecting plate 402 is along with the rotation of pivot 401, drive briquetting 403 gradually, press the width is greater than the corresponding to the keyboard chassis, the keyboard chassis is not rotated by the corresponding to the pivot 401, the keyboard chassis is rotated, the height is not to be more convenient and is realized, the keyboard chassis is rotated along with the rotation of the height of the corresponding keyboard chassis, the keyboard chassis is not is rotated, thereby the keyboard chassis is rotated, can be changed along with the rotation is realized, through the meshing plate is more than the connecting plate is pressed, can be rotated, can be realized 202, and the effect is limited by the effect of lifting plate 202, and has the effect has limited effect to the effect on the lifting plate 202, and is moved, so as well, and drive plate down, can be well, and drive down.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.