CN210678457U

CN210678457U - Multipurpose clamping device for assembling keyboard base plate

Info

Publication number: CN210678457U
Application number: CN201921697529.8U
Authority: CN
Inventors: 邓良玉; 钱鑫; 倪利军
Original assignee: Wujiang Leiou Industry Co Ltd
Current assignee: Wujiang Leiou Industry Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-05
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a multipurpose clamping device for assembling a keyboard bottom plate, which comprises a workbench, a driving unit, a limiting unit and a clamping unit; a workbench: the bottom end of the workbench is distributed with four support legs in an array manner, the front side surface and the rear side surface of the workbench are both connected with L-shaped plates, the driving unit is installed on the L-shaped plates, the output end of the driving unit is provided with an L-shaped installation plate, and the clamping unit is installed on the L-shaped installation plate; a limiting unit: the limiting units are distributed at the top end of the workbench in parallel; wherein, still including the control switch group, the control switch group is installed on the L template, and the input of control switch group is connected with external power source's output electricity, the utility model provides a multi-purpose clamping device for keyboard floor equipment can press from both sides tightly the keyboard floor of different thickness, not unidimensional and shape, presss from both sides tightly effectually, can not influence bottom plate packaging efficiency.

Description

Multipurpose clamping device for assembling keyboard base plate

Technical Field

The utility model relates to a keyboard floor equipment presss from both sides tight technical field, specifically is a multi-purpose clamping device for keyboard floor equipment.

Background

The keyboard is an instruction and data input device for operating equipment, and also refers to a group of function keys for operating a machine or equipment through system arrangement, the keyboard is the most common and the most main input equipment, English letters, numbers, punctuation marks and the like can be input into a computer through the keyboard, so as to send commands, input data and the like to the computer, the keyboard consists of a panel and a bottom plate, a circuit board is arranged in the keyboard, and the keyboard is controlled to input information by pressing keycaps, along with the development of the times, the types of the keyboard are more and more, the mechanical keyboard controlled by an independent switch is loved by people, when the mechanical keyboard bottom plate is assembled, the bottom plate needs to be fixed, then the circuit board, the panel and the keycaps are installed, when the traditional clamping device is used for clamping, the clamping device is not convenient to adjust, and the clamping effect is influenced by the size of the keyboard bottom plate, the keyboard base plates with different shapes and sizes are poor in clamping effect and even difficult to clamp, and the assembly efficiency of the base plates is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a multi-purpose clamping device for keyboard floor equipment, can press from both sides tightly the keyboard floor of different thickness, unidimensional and shape, press from both sides tightly effectually, can not influence bottom plate packaging efficiency, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multipurpose clamping device for assembling a keyboard base plate comprises a workbench, a driving unit, a limiting unit and a clamping unit;

a workbench: the bottom end of the workbench is distributed with four support legs in an array manner, the front side surface and the rear side surface of the workbench are both connected with L-shaped plates, the driving unit is installed on the L-shaped plates, the output end of the driving unit is provided with an L-shaped installation plate, and the clamping unit is installed on the L-shaped installation plate;

a limiting unit: the limiting units are distributed at the top end of the workbench in parallel;

the LED lamp further comprises a control switch group, wherein the control switch group is installed on the L-shaped plate, and the input end of the control switch group is electrically connected with the output end of an external power supply.

Further, the driving unit comprises a U-shaped connecting shaft, two lead screws, two guide rods, a coupler, two movable plates and a servo motor, the screw screws are arranged on the two lead screws, the screw thread turning directions of the side surfaces of the two lead screws are opposite, the two lead screws are connected through the coupler, the two ends of the two lead screws are respectively connected with the L-shaped plates on the two sides in a rotating manner, the two guide rods are arranged on the L-shaped plates in parallel, the two movable plates are respectively positioned in the middle parts of the two lead screws, the movable plates are connected with the lead screws in a threaded manner and are connected with the guide rods in a sliding manner, the top ends of the movable plates are connected with one ends of the U-shaped connecting shaft, the other ends of the U-shaped connecting shaft are connected with the L-shaped mounting plate, the servo motor is arranged on the side surfaces of the L-shaped plates, and two movable plates are driven to move in different directions by two lead screws with different thread turning directions, so that the two L-shaped mounting plates can move, and the keyboard can be quickly positioned and fixed in the middle of the workbench.

Further, the clamping unit includes plectane, round bar, compression spring and the trapezoidal briquetting that falls, clamping unit parallel mount is on L type mounting panel, round bar and L type mounting panel sliding connection, the top and the plectane of round bar are connected, and the bottom of round bar is connected with the trapezoidal briquetting that falls, and the bottom terminal surface of the trapezoidal briquetting that falls is equipped with the dog, compression spring cup joints in the side of round bar, and is located between the horizontal board bottom of L type mounting panel and the trapezoidal briquetting that falls, through the inclined plane of the trapezoidal briquetting that falls and keyboard bottom plate contact and slide to the bottom surface position of the trapezoidal briquetting that falls, vertically fixes keyboard bottom plate through compression spring's pressure, is convenient for quick fixed, can adapt to the keyboard of different thickness simultaneously.

Further, still include spout and slider, the spout is evenly seted up on L type mounting panel, the quantity and the spout quantity of slider correspond, the one end of slider and the side fixed connection of falling trapezoidal briquetting, the other end and the spout sliding connection of slider utilize the slider to support and fall trapezoidal briquetting, can be close to the in-process each other at two L type mounting panels, avoid the round bar to produce the bending because of keyboard bottom plate's pressure.

Further, spacing unit includes displacement hole, limiting plate and telescopic link, the left and right sides on the workstation is evenly seted up in the displacement hole, and the bottom in displacement hole is equipped with the draw runner, the bottom of limiting plate is equipped with the sliding tray that corresponds with the draw runner, sliding tray and draw runner sliding connection, and the side of limiting plate is connected with the stiff end of telescopic link, the flexible end of telescopic link and the interior wall connection in displacement hole have cup jointed extension spring on the telescopic link, through the spacing unit of multiunit, can control different clamping position, and the keyboard of side unevenness has fine spacing effect to some shape strange differences.

Further, still include the fixer, the fixer includes riser, baffle and fixed block, fixer evenly distributed on the workstation, and with spacing unit's position one-to-one, the riser is established and is close to the position of displacement hole one side on the workstation, and the riser rotates with the one end of baffle to be connected, the fixed block is installed and is close to the position of displacement hole opposite side on the workstation, and the other end joint of fixed block and baffle utilizes baffle and fixed block structure, can all fix every limiting plate to can select the limiting plate of different positions to use according to the shape and the size of keyboard.

Compared with the prior art, the beneficial effects of the utility model are that: this a multi-purpose clamping device for keyboard floor equipment has following benefit:

this a multi-purpose clamping device for keyboard floor equipment utilizes servo motor drive lead screw to rotate, drive two fly leaf syntropy and remove, and then drive L type mounting panel and the removal of clamping unit through U type connecting axle, the realization is to the side of keyboard and fore-and-aft clamp tightly, the tight mode of clamp is simple, and carry out selective spacing through the spacing unit of both sides parallel distribution's multiunit, the middle part position at the workstation is fixed to the keyboard, to the shape, the different keyboard of size and thickness, the homoenergetic is effectually pressed from both sides tightly, be fit for multiple keyboard floor equipment and use, the tight effectual of clamp, make things convenient for the equipment of keyboard floor.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic sectional view of the plane B-B of the present invention;

fig. 4 is a schematic view of the local enlarged structure at a position of the present invention.

In the figure: the device comprises a control switch group 1, a workbench 2, support legs 3, a driving unit 4, a connecting shaft 41U-shaped, a lead screw 42, a guide rod 43, a coupling 44, a movable plate 45, a servo motor 46, a limiting unit 5, a displacement hole 51, a limiting plate 52, a telescopic rod 53, a fixer 6, a vertical plate 61, a baffle 62, a fixed block 63, a clamping unit 7, a circular plate 71, a round rod 72, a compression spring 73, an inverted trapezoidal pressing block 74, an 8L-shaped mounting plate, a 9L-shaped plate, a sliding chute 10 and a sliding block 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-purpose clamping device for assembling a keyboard base plate comprises a workbench 2, a driving unit 4, a limiting unit 5 and a clamping unit 7;

the working table 2: four supporting legs 3 are distributed at the bottom end of the workbench 2 in an array manner, the workbench 2 is supported by the four supporting legs 3 at a certain height, the front side surface and the rear side surface of the workbench 2 are both connected with L-shaped plates 9, a driving unit 4 is installed on the L-shaped plates 9, an L-shaped mounting plate 8 is installed at the output end of the driving unit 4, the driving unit 4 is used for controlling the movement of the L-shaped mounting plate 8, the driving unit 4 comprises a U-shaped connecting shaft 41, a screw rod 42, guide rods 43, a coupler 44, a movable plate 45 and a servo motor 46, the screw rods 42 are provided with two guide rods, the thread turning directions of the side surfaces of the two screw rods 42 are opposite, the two screw rods 42 are connected through the coupler 44, two ends of the two screw rods 42 are respectively rotatably connected with the L-shaped plates 9 at two sides, the guide rods 43 are arranged on the L-shaped, the two movable plates 45 are symmetrically arranged along the shaft coupling 44, so that the keyboard bottom plate is conveniently fixed at the middle position of the workbench 2, the movable plates 45 are in threaded connection with the lead screws 42, the movable plates 45 are in sliding connection with the guide rods 43, the movable plates 45 can be driven to move along the guide rods 43 when the lead screws 42 rotate, the top ends of the movable plates 45 are connected with one ends of the U-shaped connecting shafts 41, the other ends of the U-shaped connecting shafts 41 are connected with the L-shaped mounting plates 8, the U-shaped connecting shafts 41 are not in contact with the workbench 2 and are used for driving the L-shaped mounting plates 8 to move, the servo motors 46 are arranged on the side surfaces of the L-shaped plates 9, output shafts of the servo motors 46 are connected with the lead screws 42, when the driving unit 4 works, the servo motors 46 rotate to drive the lead screws 42 to rotate and drive the two movable plates 45 to mutually approach along the guide rods, the clamping unit 7 is mounted on the L-shaped mounting plate 8 and used for clamping a keyboard base plate, the clamping unit 7 comprises a circular plate 71, a circular rod 72, a compression spring 73 and an inverted trapezoidal pressing block 74, the clamping unit 7 is mounted on the L-shaped mounting plate 8 in parallel and used for clamping and fixing the keyboard base plate in the process that the two L-shaped mounting plates 8 are close to each other, the circular rod 72 is connected with the L-shaped mounting plate 8 in a sliding manner, the top end of the circular rod 72 is connected with the circular plate 71, the circular plate 71 can limit the sliding position of the circular rod 72, the bottom end of the circular rod 72 is connected with the inverted trapezoidal pressing block 74, a stop block is arranged on the bottom end face of the inverted trapezoidal pressing block 74 and used for providing lateral pressure, the inclined surface of the inverted trapezoidal pressing block 74 is smooth, the compression spring 73 is sleeved on the side face of the circular rod 72 and is located between the bottom end of the transverse, when the clamping unit 7 works, under the driving of the L-shaped mounting plates 8, the inverted trapezoidal pressing block 74 firstly contacts with the side surface of the keyboard bottom plate, and in the process of approaching the two L-shaped mounting plates 8, under the action of pressure, the inverted trapezoidal pressing block 74 drives the round rod 72 to move upwards, so that the compression spring 73 is shortened, the pressure is increased, when the bottom end stop block of the inverted trapezoidal pressing block 74 is moved to contact with the keyboard bottom plate, the keyboard bottom plate is fixed, the keyboard bottom plate also comprises sliding grooves 10 and sliding blocks 11, the sliding grooves 10 are uniformly arranged on the L-shaped mounting plate 8, the number of the sliding blocks 11 corresponds to that of the sliding grooves 10, one end of each sliding block 11 is fixedly connected with the side surface of the inverted trapezoidal pressing block 74, the other end of each sliding block 11 is slidably connected with the corresponding sliding groove 10, because the inverted trapezoidal pressing block 74 moves upwards under the action of pressure, the round rod 72 is easy to incline after long-term use, and therefore, the sliding block 11 is used as a supporting structure, and the service life of the round rod 72 can be prolonged;

a limiting unit 5: the limiting units 5 are distributed on the top end of the workbench 2 in parallel and located at two side positions of the workbench 2, each limiting unit 5 comprises a displacement hole 51, a limiting plate 52 and a telescopic rod 53, the displacement holes 51 are uniformly arranged at the left side and the right side of the workbench 2, a sliding strip is arranged at the bottom end of each displacement hole 51, a sliding groove corresponding to the sliding strip is arranged at the bottom end of each limiting plate 52, the sliding groove is connected with the sliding strip in a sliding manner, the limiting plate 52 is located in each displacement hole 51, the side surface of each limiting plate 52 is connected with the fixed end of each telescopic rod 53, the telescopic end of each telescopic rod 53 is connected with the inner wall of each displacement hole 51, each telescopic rod 53 is sleeved with a tension spring to provide tension, the limiting plates 52 are pulled to the middle part of the workbench 2, the limiting device further comprises a fixer 6 for controlling each limiting unit 5, each fixer comprises a vertical plate 61, a baffle 62 and a fixed block 63, each limiting unit 5 is provided with a fixer 6, the vertical plate 61 is arranged at a position on the workbench 2 close to one side of the displacement hole 51, the vertical plate 61 is rotatably connected with one end of the baffle plate 62, the fixed block 63 is arranged at a position on the workbench 2 close to the other side of the displacement hole 51, and the fixed block 63 is clamped with the other end of the baffle plate 62;

the device also comprises a control switch group 1, wherein the control switch group 1 is installed on the L-shaped plate 9, the input end of the control switch group 1 is electrically connected with the output end of an external power supply, and the output end of the control switch group 1 is electrically connected with the input end of the servo motor 46.

When in use: placing a keyboard bottom plate in the middle of a workbench 2, enabling the longer edge of the keyboard bottom plate to be parallel to the left side surface of the workbench 2, starting a servo motor 46, enabling an output shaft of the servo motor 46 to rotate to drive a lead screw 42 to rotate, driving two movable plates 45 to approach each other along a guide rod 43, further driving a U-shaped connecting shaft 41 to approach an L-shaped mounting plate 8, then enabling an inverted trapezoidal pressing block 74 to contact with the side surface of the keyboard bottom plate firstly, enabling the inverted trapezoidal pressing block 74 to drive a round rod 72 to move upwards under the action of pressure in the approach process of the two L-shaped mounting plates 8, driving a sliding block 11 to move upwards along a sliding groove 10, further shortening a compression spring 73, increasing the pressure, completing clamping of the longitudinal side surface and the front and back side surfaces of the keyboard bottom plate when a bottom end stop block of the inverted trapezoidal pressing block 74 contacts with the keyboard bottom plate, and selecting a limiting unit 5 at a proper, the baffle plate 62 is rotated to one side of the vertical plate 61, the limiting plate 52 moves along the displacement hole 51 under the action of the tensile force of the extension spring, the telescopic rod 53 is shortened, and the limiting plate 52 is driven to move to be in contact with the left side surface and the right side surface of the keyboard bottom plate, so that the keyboard bottom plate is clamped.

It is to be noted that the core chip of the control switch group 1 disclosed in this embodiment is a PLC single chip, the specific model is STM32F100C4, the preferred model of the servo motor 46 is 80SW01330F, and the control switch group 1 controls the servo motor 46 to work by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-purpose clamping device for keyboard floor equipment which characterized in that: comprises a workbench (2), a driving unit (4), a limiting unit (5) and a clamping unit (7);

table (2): four supporting legs (3) are distributed at the bottom end of the workbench (2) in an array mode, the front side face and the rear side face of the workbench (2) are connected with L-shaped plates (9), the driving unit (4) is installed on the L-shaped plates (9), an L-shaped installation plate (8) is installed at the output end of the driving unit (4), and the clamping unit (7) is installed on the L-shaped installation plate (8);

a limiting unit (5): the limiting units (5) are distributed at the top end of the workbench (2) in parallel;

the LED lamp further comprises a control switch group (1), wherein the control switch group (1) is installed on the L-shaped plate (9), and the input end of the control switch group (1) is electrically connected with the output end of an external power supply.

2. The multipurpose clamp device for assembling a keyboard tray of claim 1, wherein: the drive unit (4) comprises a U-shaped connecting shaft (41), two lead screws (42), two guide rods (43), two couplers (44), two movable plates (45) and a servo motor (46), the lead screws (42) are provided with two lead screws, the thread turning directions of the side surfaces of the two lead screws (42) are opposite, the two lead screws (42) are connected through the couplers (44), the two ends of the two lead screws (42) are respectively and rotatably connected with the L-shaped plates (9) on the two sides, the guide rods (43) are provided with two lead screws and parallelly mounted on the L-shaped plates (9), the two movable plates (45) are provided with two lead screws and respectively located in the middle parts of the two lead screws (42), the movable plates (45) are in threaded connection with the lead screws (42), the movable plates (45) are in sliding connection with the guide rods (43), the top ends of the connecting shafts (45) are connected with one ends of the U-shaped connecting shaft (41), and the other ends, the servo motor (46) is installed on the side face of the L-shaped plate (9), an output shaft of the servo motor (46) is connected with the lead screw (42), and an input end of the servo motor (46) is electrically connected with an output end of the control switch group (1).

3. The multipurpose clamp device for assembling a keyboard tray of claim 1, wherein: press from both sides tight unit (7) and include plectane (71), round bar (72), compression spring (73) and fall trapezoidal briquetting (74), press from both sides tight unit (7) parallel mount on L type mounting panel (8), round bar (72) and L type mounting panel (8) sliding connection, the top and plectane (71) of round bar (72) are connected, and the bottom and the trapezoidal briquetting (74) of falling of round bar (72) are connected, and the bottom terminal surface of falling trapezoidal briquetting (74) is equipped with the dog, compression spring (73) cup joint the side at round bar (72), and lie in between horizontal board bottom and the trapezoidal briquetting (74) of L type mounting panel (8).

4. The multipurpose clamp device for assembling a keyboard tray of claim 3, wherein: still include spout (10) and slider (11), spout (10) are evenly seted up on L type mounting panel (8), the quantity and spout (10) quantity of slider (11) correspond, the one end of slider (11) and the side fixed connection of falling trapezoidal briquetting (74), the other end and spout (10) sliding connection of slider (11).

5. The multipurpose clamp device for assembling a keyboard tray of claim 1, wherein: spacing unit (5) include displacement hole (51), limiting plate (52) and telescopic link (53), the left and right sides on workstation (2) is evenly seted up in displacement hole (51), and the bottom in displacement hole (51) is equipped with the draw runner, the bottom of limiting plate (52) is equipped with the sliding tray that corresponds with the draw runner, sliding tray and draw runner sliding connection, and the side of limiting plate (52) is connected with the stiff end of telescopic link (53), the flexible end of telescopic link (53) and the interior wall connection in displacement hole (51), has cup jointed extension spring on telescopic link (53).

6. The multipurpose clamp device for assembling a keyboard tray of claim 5, wherein: still include fixer (6), the fixer includes riser (61), baffle (62) and fixed block (63), and fixer (6) evenly distributed is on workstation (2), and with the position one-to-one of spacing unit (5), riser (61) are established and are close to the position of displacement hole (51) one side on workstation (2), and riser (61) are rotated with the one end of baffle (62) and are connected, fixed block (63) are installed and are close to the position of displacement hole (51) opposite side on workstation (2), and the other end joint of fixed block (63) and baffle (62).