CN213916696U

CN213916696U - Keyboard button laser cutting positioning fixture

Info

Publication number: CN213916696U
Application number: CN202022666089.9U
Authority: CN
Inventors: 谭玉刚; 尹立华; 李长庚
Original assignee: Shenzhen Grand Top Electronics Co ltd
Current assignee: Shenzhen Grand Top Electronics Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-10
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a laser cutting positioning fixture for keyboard keys, which comprises a bottom plate, a clamping unit, a moving unit, a laser unit and a reinforcing unit; a bottom plate: the upper surface of the base plate is provided with a clamping unit, a laser unit and a reinforcing unit, and the lower surface of the base plate is provided with a moving unit; a clamping unit: the keyboard comprises a compression spring, a baffle, a connecting block, a left clamping plate, a keyboard sleeve, a right clamping plate, a lead screw, a fixing frame and a handle, wherein two grooves are formed in the upper surface of a bottom plate, the compression spring is installed on the inner surface of the left side of each groove, the baffle is installed on each of two sides of the compression spring, a first slide way is formed in the inner surface of each baffle, the right end of the compression spring is installed at one end of the connecting block through a cylindrical support, and first sliding blocks are installed on each of two sides of the connecting block; the structure reliability is high, the clamping and reinforcing effects are good, laser cutting can be carried out on keyboard keys in a multi-azimuth mode, the requirements of people can be met, and convenience is brought to work of people.

Description

Keyboard button laser cutting positioning fixture

Technical Field

The utility model relates to a positioning fixture technical field specifically is a keyboard button laser cutting positioning fixture.

Background

A computer keyboard is a common peripheral device, and is generally connected to a computer host through a USB interface or a serial port for inputting operation commands. In the manufacturing process of the computer keyboard, characters or patterns need to be cut on the computer keyboard keys by laser, and the computer keyboard keys are usually rectangular and have a very thin thickness (generally about 0.3 mm), for example, the key size is 17mm × 16mm × 0.3 mm. In the process of laser cutting computer keyboard keys, high-pressure (pressure intensity of 0.6-2 Mpa) gas coaxial with laser can be generated to blow on the keys, so that the computer keyboard keys are easy to vibrate, the cut characters or pattern lines are not smooth, burrs and burns are easy to generate on cuts, and the quality of processed products is poor.

Wherein application number in the modern technology is a keyboard button laser cutting positioning fixture who proposes, includes: a clamp cavity; the clamp gas circuit board is covered on the clamp cavity; the fixture body capable of containing and fixing the keyboard keys is attached to the fixture air circuit board; the vacuum adsorption device is communicated with the clamp gas circuit board and the clamp body; the air draft device is communicated with the clamp cavity, the clamp air circuit board and the clamp body; a communicating air path is formed among the clamp body, the clamp air path plate and the vacuum adsorption device, the vacuum adsorption device generates negative pressure and enables the keyboard keys to be tightly adsorbed and fixed in the clamp body through the communicating air path; and the air draft device and the clamp cavity, the clamp gas circuit board and the clamp body form a communicating channel, and the air draft device sucks dust generated during key pressing of the keyboard through the laser cutting by the communicating channel.

Its structural reliability is low, presss from both sides tightly and consolidates the effect inadequately, and the precision in position is not enough when cutting keyboard button laser, can't satisfy people's demand, has produced inconvenience to people's work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a keyboard button laser cutting positioning fixture, the reliable degree of structure is high, presss from both sides tightly and consolidates effectually, can diversely carry out laser cutting to the keyboard button, can satisfy people's demand, has produced the convenience to people's work, 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 laser cutting positioning fixture for keyboard keys comprises a bottom plate, a clamping unit, a moving unit, a laser unit and a reinforcing unit;

a bottom plate: the upper surface of the base plate is provided with a clamping unit, a laser unit and a reinforcing unit, and the lower surface of the base plate is provided with a moving unit;

a clamping unit: comprises a compression spring, a baffle, a connecting block, a left clamping plate, a keyboard cover, a right clamping plate, a lead screw, a fixing frame and a handle, wherein two grooves are formed in the upper surface of a bottom plate, the compression spring is installed on the inner surface of the left side of each groove, the baffle is installed on the two sides of the compression spring respectively, a first slide way is formed in the inner surface of the baffle, the right end of the compression spring is installed at one end of the connecting block through a cylindrical support, first slide blocks are installed on the two sides of the connecting block respectively, the connecting block is in sliding connection with the baffle, the left clamping plate is installed on the upper surface of the connecting block, a second slide way is installed on the two sides of the other groove, the fixing frame is installed on the upper surface of the bottom plate, the lead screw is installed on the fixing frame in a rotating manner, the handle is installed on the right end of the lead screw, the right clamping plate is installed on the lead screw, and second slide blocks are installed on the two sides of the bottom end of the right clamping plate, the right clamping plate is connected with the second slideway in a sliding mode, the left end of the lead screw is rotatably installed on the second fixing frame, and a keyboard sleeve is arranged between the left clamping plate and the right clamping plate;

a laser unit: contain fixed bolster, end cover and traveller, the last surface mounting of bottom plate has the fixed bolster, install the traveller on the fixed bolster, the end cover is installed to the upper end of traveller, laser emitter is installed to the lower extreme of traveller, external control ware's output is connected to laser emitter's input electricity.

Furthermore, the mobile unit contains rotating support, round pin axle and gyro wheel, the lower surface mounting of bottom plate has rotating support, the gyro wheel rotates through the round pin axle and installs on rotating support. The whole device can be moved by the moving unit, so that the work of people is facilitated.

Further, the reinforcing unit comprises a pressing plate, a keyboard hole and a clamping block, keyboard keys are installed on the keyboard sleeve, the keyboard hole is formed in the pressing plate, the clamping block is installed on the two sides of the pressing plate, clamping grooves are formed in the upper ends of the left clamping plate and the right clamping plate, and the clamping blocks are connected with the clamping grooves in a buckled mode. The keyboard sleeve is reinforced through the pressing plate, and the keyboard keys are processed through the keyboard holes.

Furthermore, the laser unit further comprises a sliding rail and a sliding groove, the sliding rail is arranged on the fixed support, the sliding column is connected with the sliding rail in a sliding mode, the sliding groove is arranged on the bottom plate, and the lower end of the fixed support is connected with the sliding groove in a sliding mode. Can slide around on the fixed bolster through traveller and slide rail, can the horizontal slip through spout and fixed bolster, make things convenient for laser emitter to carry out omnidirectional laser cutting to the keyboard button.

Further, still include spacing post and spacing hole, spacing post is still installed to the left side internal surface in groove, spacing post is in pressure spring's inside, spacing hole has been seted up to the inside of connecting block. The pressing spring can be prevented from generating large deformation through the limiting column and the limiting hole.

Compared with the prior art, the beneficial effects of the utility model are that: this keyboard button laser cutting positioning fixture has following benefit:

1. the keyboard key laser cutting positioning fixture is provided with the clamping unit and the reinforcing unit, the keyboard sleeve can be clamped and reinforced through the clamping unit and the reinforcing unit, and vibration cannot occur during laser cutting.

2. This keyboard button laser cutting positioning fixture has spacing post and spacing hole, can prevent pressure spring's the great deformation of emergence through spacing post and spacing hole to increase the stability of structure.

3. This keyboard button laser cutting positioning fixture structure reliability is high, presss from both sides tightly and consolidates effectually, can diversely carry out laser cutting to the keyboard button, can satisfy people's demand, has produced the convenience to people's work.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the bottom view of the present invention.

In the figure: the device comprises a base plate 1, a clamping unit 2, a compression spring 21, a baffle 22, a connecting block 23, a left clamping plate 24, a keyboard sleeve 25, a right clamping plate 26, a screw rod 27, a fixing frame 28, a handle 29, a moving unit 3, a rotating bracket 31, a pin shaft 32, a roller 33, a laser unit 4, a fixing bracket 41, a sliding rail 42, an end cover 43, a sliding column 44, a sliding groove 45, a reinforcing unit 5, a pressing plate 51, a keyboard hole 52, a clamping block 53, a limiting column 6 and a limiting hole 7.

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. 1-2, the present invention provides a technical solution: a laser cutting positioning fixture for keyboard keys comprises a bottom plate 1, a clamping unit 2, a moving unit 3, a laser unit 4 and a reinforcing unit 5;

bottom plate 1: the upper surface of the base plate is provided with a clamping unit 2, a laser unit 4 and a reinforcing unit 5, and the lower surface of the base plate 1 is provided with a moving unit 3; the moving unit 3 comprises a rotating bracket 31, a pin shaft 32 and a roller 33, the rotating bracket 31 is mounted on the lower surface of the bottom plate 1, and the roller 33 is rotatably mounted on the rotating bracket 31 through the pin shaft 32. The whole device can be moved by the moving unit 3, which is convenient for people to work. The reinforcing unit 5 comprises a pressing plate 51, a keyboard hole 52 and a clamping block 53, keyboard keys are mounted on the keyboard sleeve 25, the pressing plate 51 is provided with the keyboard hole 52, the clamping block 53 is mounted on two sides of the pressing plate 51, clamping grooves are formed in the upper ends of the left clamping plate 24 and the right clamping plate 26, and the clamping block 53 is connected with the clamping grooves in a clamping mode. The keyboard cover 25 is reinforced by the pressing plate 51, and the keyboard keys are processed by the keyboard holes 52.

The clamping unit 2: comprises a compression spring 21, a baffle 22, a connecting block 23, a left clamping plate 24, a keyboard sleeve 25, a right clamping plate 26, a lead screw 27, a fixing frame 28 and a handle 29, wherein the upper surface of a bottom plate 1 is provided with two grooves, the compression spring 21 is arranged on the inner surface of the left side of each groove, the baffle 22 is respectively arranged on two sides of the compression spring 21, the inner surface of the baffle 22 is provided with a first slide way, the right end of the compression spring 21 is arranged at one end of the connecting block 23 through a cylindrical support, the two sides of the connecting block 23 are respectively provided with a first slide block, the connecting block 23 is connected with the baffle 22 in a sliding manner, the upper surface of the connecting block 23 is provided with the left clamping plate 24, the two sides of the other groove are provided with a second slide way, the upper surface of the bottom plate 1 is provided with the fixing frame 28, the lead screw 27 is rotatably arranged on the fixing frame 28, the handle 29 is arranged at the right end of the lead screw 27, the right clamping plate 26 is provided with the second slide block on both sides of the bottom end of the right clamping plate 26, the right clamping plate 26 is connected with the second slideway in a sliding way, the left end of the screw 27 is rotatably arranged on the second fixed frame, and a keyboard sleeve 25 is arranged between the left clamping plate 24 and the right clamping plate 26; the connecting block 23 is driven to move rightwards by the resilience of the pressing spring 21, the connecting block 23 moves rightwards to drive the left clamping plate 24 to move rightwards, the lead screw 27 is driven to rotate by the rotating handle 29, the right clamping plate 26 is driven to move leftwards by the rotation of the lead screw 27, and the left clamping plate 24 and the right clamping plate 26 move oppositely to clamp the keyboard cover 25. Still include spacing post 6 and spacing hole 7, spacing post 6 is still installed to the left side internal surface in groove, and spacing post 6 is in pressure spring 21's inside, and spacing hole 7 has been seted up to the inside of connecting block 23. The large deformation of the hold-down spring 21 can be prevented by the stopper post 6 and the stopper hole 7.

The laser unit 4: contain fixed bolster 41, end cover 43 and traveller 44, the last surface mounting of bottom plate 1 has fixed bolster 41, installs traveller 44 on fixed bolster 41, and end cover 43 is installed to the upper end of traveller 44, and laser emitter is installed to the lower extreme of traveller 44, and the output of external control ware is connected to laser emitter's input electricity. The laser emitter is controlled to work through the external controller, and the laser emitter works to carry out laser cutting on the keyboard keys. The laser unit 4 further comprises a sliding rail 42 and a sliding groove 45, the sliding rail 42 is arranged on the fixing support 41, the sliding column 44 is connected with the sliding rail 42 in a sliding mode, the sliding groove 45 is arranged on the bottom plate 1, and the lower end of the fixing support 41 is connected with the sliding groove 45 in a sliding mode. Can slide around on fixed bolster 41 through traveller 44 and slide rail 42, can slide from side to side through spout 45 and fixed bolster 41, make things convenient for laser emitter to carry out omnidirectional laser cutting to the keyboard button.

When in use:

the connecting block 23 is driven to move rightwards by the resilience of the pressing spring 21, the connecting block 23 moves rightwards to drive the left clamping plate 24 to move rightwards, the lead screw 27 is driven to rotate by the rotating handle 29, the right clamping plate 26 is driven to move leftwards by the rotation of the lead screw 27, and the left clamping plate 24 and the right clamping plate 26 move oppositely to clamp the keyboard cover 25. The large deformation of the hold-down spring 21 can be prevented by the stopper post 6 and the stopper hole 7. The keyboard cover 25 is reinforced by the pressing plate 51, and the keyboard keys are processed by the keyboard holes 52. Can slide around on fixed bolster 41 through traveller 44 and slide rail 42, can slide from side to side through spout 45 and fixed bolster 41, make things convenient for laser emitter to carry out omnidirectional laser cutting to the keyboard button. The laser emitter is controlled to work through the external controller, and the laser emitter works to carry out laser cutting on the keyboard keys. The whole device can be moved by the moving unit 3, which is convenient for people to work.

It is to be noted that, in this embodiment, the core chip of the external controller is an STC single chip microcomputer, the specific model is STC15W204S, the laser transmitter can be freely configured according to the actual application scenario, and the external controller controls the laser transmitter 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. The utility model provides a keyboard button laser cutting positioning fixture which characterized in that: comprises a bottom plate (1), a clamping unit (2), a moving unit (3), a laser unit (4) and a reinforcing unit (5);

base plate (1): the upper surface of the base plate is provided with a clamping unit (2), a laser unit (4) and a reinforcing unit (5), and the lower surface of the base plate (1) is provided with a moving unit (3);

clamping unit (2): comprises a compression spring (21), a baffle (22), a connecting block (23), a left clamping plate (24), a keyboard sleeve (25), a right clamping plate (26), a lead screw (27), a fixing frame (28) and a handle (29), wherein the upper surface of the bottom plate (1) is provided with two grooves, the compression spring (21) is installed on the inner surface of the left side of each groove, the baffle (22) is installed on the two sides of the compression spring (21) respectively, a first slide way is arranged on the inner surface of the baffle (22), the right end of the compression spring (21) is installed at one end of the connecting block (23) through a cylindrical support, first slide blocks are installed on the two sides of the connecting block (23) respectively, the connecting block (23) is connected with the baffle (22) in a sliding manner, the left clamping plate (24) is installed on the upper surface of the connecting block (23), a second slide way is installed on the two sides of the other groove, the fixing frame (28) is installed on the upper surface of the bottom plate (1), a lead screw (27) is rotatably mounted on the fixing frame (28), a handle (29) is mounted at the right end of the lead screw (27), a right clamping plate (26) is mounted on the lead screw (27), second sliding blocks are mounted on two sides of the bottom end of the right clamping plate (26), the right clamping plate (26) is in sliding connection with a second sliding way, the left end of the lead screw (27) is rotatably mounted on the second fixing frame, and a keyboard sleeve (25) is arranged between the left clamping plate (24) and the right clamping plate (26);

laser unit (4): contain fixed bolster (41), end cover (43) and traveller (44), the last surface mounting of bottom plate (1) has fixed bolster (41), install traveller (44) on fixed bolster (41), end cover (43) are installed to the upper end of traveller (44), laser emitter is installed to the lower extreme of traveller (44), external control ware's output is connected to laser emitter's input electricity.

2. The laser cutting positioning fixture for the keyboard keys as claimed in claim 1, wherein: the movable unit (3) comprises a rotating support (31), a pin shaft (32) and a roller (33), the rotating support (31) is installed on the lower surface of the bottom plate (1), and the roller (33) is installed on the rotating support (31) in a rotating mode through the pin shaft (32).

3. The laser cutting positioning fixture for the keyboard keys as claimed in claim 1, wherein: the reinforcing unit (5) comprises a pressing plate (51), a keyboard hole (52) and a clamping block (53), keyboard keys are installed on the keyboard sleeve (25), the pressing plate (51) is provided with the keyboard hole (52), the clamping block (53) is installed on two sides of the pressing plate (51), clamping grooves are formed in the upper ends of the left clamping plate (24) and the right clamping plate (26), and the clamping block (53) is connected with the clamping grooves in a clamping and buckling mode.

4. The laser cutting positioning fixture for the keyboard keys as claimed in claim 1, wherein: laser unit (4) still contain slide rail (42) and spout (45), slide rail (42) have been seted up on fixed bolster (41), traveller (44) and slide rail (42) sliding connection, spout (45) have been seted up on bottom plate (1), the lower extreme and spout (45) sliding connection of fixed bolster (41).

5. The laser cutting positioning fixture for the keyboard keys as claimed in claim 1, wherein: still include spacing post (6) and spacing hole (7), spacing post (6) are still installed to the left side internal surface in groove, spacing post (6) are in the inside of pressure spring (21), spacing hole (7) have been seted up to the inside of connecting block (23).