CN215038005U

CN215038005U - Blank device for keyboard bottom plate

Info

Publication number: CN215038005U
Application number: CN202120766819.4U
Authority: CN
Inventors: 杨从修; 杨珠明; 肖昊
Original assignee: Chongqing Runxinhong Electronic Technology Co ltd
Current assignee: Chongqing Runxinhong Electronic Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-07
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a cutting device for a keyboard bottom plate, which comprises a shell, wherein the shell is of an external frame structure, the top end of the shell is provided with a cylinder, the bottom of the cylinder is provided with a cutting head, and a feeding groove is arranged inside the shell; the scrap bin is mounted at the bottom end of the shell, a suction fan is mounted inside the scrap bin, a scrap discharge groove is formed in the top end of the scrap bin, and a bottom plate is arranged on the top surface of the scrap bin; the support frame is connected the rear end position of shell, the support frame bottom is equipped with the motor, the support frame top is equipped with the carriage, and the interlock crank is installed support frame one end surface. This blank device for keyboard floor places in sweeps storehouse upper end through the mode with keyboard floor with the promotion, when bottom plate and blank head contact, produced sweeps follow the chip groove and arrange into the sweeps storehouse in, the inside suction fan in sweeps storehouse lasts the production wind-force, can be comprehensive collect the sweeps, avoids the sweeps to be stained with and attaches in the bottom plate outside.

Description

Blank device for keyboard bottom plate

Technical Field

The utility model relates to a keyboard processing technology field specifically is a blank device for keyboard floor.

Background

The general keyboard is an operation hardware on a computer, a keyboard bottom plate is a rectangular plate after injection molding, the keyboard is generally divided into two categories, a small keyboard or no small keyboard is arranged, when the keyboard bottom plate is machined, material cutting machining is required to be carried out according to the size required by the keyboard, after the material cutting is finished, a finished keyboard bottom plate is formed, and some problems still exist in the keyboard bottom plate machining process.

When the keyboard bottom plate carries out the blank, divide into two kinds of modes, one kind is for the manual work carry out the blank operation at the processing platform, so not only the size can not be accurate the accuse to low efficiency is not suitable for batch processing, the second kind is mechanical blank, though the blank operation is replaced by machinery and is accomplished, nevertheless business turn over around the blank to keyboard bottom plate still needs artifical supplementary, thereby can't accomplish automatic blank work, reduces whole practicality, consequently, needs a blank device for keyboard bottom plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blank device for keyboard floor, in order to solve and to propose in the above-mentioned background art when keyboard floor carries out the blank, divide into two kinds of modes, one kind carries out the blank operation at the processing platform for the manual work, so not only the size can not be accurate to the accuse, and inefficiency, be not suitable for batch processing, the second kind is mechanical blank, though the blank operation is replaced by machinery and is accomplished, nevertheless business turn over around the blank to keyboard floor, still need artifical supplementary, thereby can't accomplish automatic blank work, reduce the problem of whole practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a blank device for a keyboard tray, comprising:

the device comprises a shell, a feeding groove and a discharging groove, wherein the shell is of an external frame structure, the top end of the shell is provided with a cylinder, the bottom of the cylinder is provided with a material cutting head, and the shell is internally provided with the feeding groove;

the scrap bin is mounted at the bottom end of the shell, a suction fan is mounted inside the scrap bin, a scrap discharge groove is formed in the top end of the scrap bin, and a bottom plate is arranged on the top surface of the scrap bin;

a support frame connected to the rear end of the shell, a motor arranged at the bottom end of the support frame, a sliding frame arranged at the top end of the support frame,

the linkage crank is installed on the outer surface of one end of the support frame, and the number of the linkage cranks is 2.

Preferably, motor one end is connected with the driving chain, the other end of driving chain is connected with the drive shaft, the drive shaft runs through support frame and carousel fixed connection, the carousel distributes with drive shaft central point mirror image.

Preferably, the outer surface of the turntable is connected with a movable shaft, the outer surface of the movable shaft is movably connected with a linkage crank, one end of the linkage crank and the support frame form a rotating structure, and one end of the linkage crank is in sliding connection with the driven crank.

Preferably, driven crank one end and first push rod bottom interconnect, second push rod and third push rod are installed from bottom to top in proper order to first push rod.

Preferably, the first push rod, the second push rod and the third push rod are respectively long, medium and short in length, the first push rod, the second push rod and the third push rod are in sliding connection with the guide plate, and the guide plate is fixed on the top surface of the support frame.

Preferably, the top end of the scrap bin is of a plane structure, the left end and the right end of the scrap bin are inclined, and the outer surface of the scrap bin is connected with a sliding plate.

Preferably, the center point of the material cutting head and the center point of the chip groove are positioned on the same vertical line, and the length of the chip groove is greater than that of the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: this keyboard is blank device for bottom plate:

1. the keyboard bottom plate is arranged at the upper end of the scrap bin in a pushing mode, when the bottom plate is in contact with the cutting head, the generated scraps are discharged into the scrap bin from the scrap discharge groove, and the suction fan in the scrap bin continuously generates wind power, so that the scraps can be comprehensively collected, and the scraps are prevented from being attached to the outer side of the bottom plate;

furthermore, when the bottom plate is cut off, the bottom plate is in a suspended state at the central point, the bottom plate falls onto the outer surface of the scrap bin under the influence of gravity, and the bottom plate is guided to the upper end of the conveying frame by matching with the sliding plate according to the shape structure of the scrap bin, so that the blanking stability is improved;

2. through setting up support frame top surface and feed chute basal surface to same water flat line, and increase the deflector and carry out supplementary slip to the push rod in support frame upper end, can last supply with the bottom plate to equipment, the bottom plate drops to the limiting plate upper end from the carriage is inside, in proper order by three push rod promotion, finally promote sweeps storehouse upper end, can be the continuity lead the bottom plate and send, three push rod parallel movement can both promote the bottom plate that corresponds at every turn, not only increased feeding efficiency, the push rod that the symmetry set up has still increased the stability that promotes, avoid appearing the skew, thereby whole practicality has been increased.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall side view structure of the present invention;

FIG. 3 is a front view of the driving shaft and the supporting frame of the present invention;

fig. 4 is a schematic view of the front view structure of the limiting plate and the driven crank of the present invention;

fig. 5 is a schematic view of the inner structure of the sliding frame according to the present invention.

In the figure: 1. a housing; 2. a cylinder; 3. cutting the material head; 4. a feed chute; 5. a scrap bin; 6. a suction fan; 7. a chip groove; 8. a slide plate; 9. a base plate; 10. a support frame; 11. a carriage; 12. a turntable; 13. a movable shaft; 14. a linkage crank; 15. a driven crank; 16. a first push rod; 17. a second push rod; 18. a third push rod; 19. a guide plate; 20. a motor; 21. a drive chain; 22. a drive shaft.

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. 1-5, the present invention provides a technical solution: a blank device for a keyboard tray, comprising:

the device comprises a shell 1, a cylinder 2 is arranged at the top end of the shell 1, a material cutting head 3 is arranged at the bottom of the cylinder 2, and a feeding groove 4 is formed in the shell 1;

the scrap bin 5 is installed at the bottom end of the shell 1, a suction fan 6 is installed inside the scrap bin 5, a scrap discharge groove 7 is formed in the top end of the scrap bin 5, and a bottom plate 9 is arranged on the top surface of the scrap bin 5;

a support frame 10 connected to the rear end of the housing 1, a motor 20 arranged at the bottom end of the support frame 10, a sliding frame 11 arranged at the top end of the support frame 10,

the linkage cranks 14 are arranged on the outer surface of one end of the support frame 10, and the number of the linkage cranks 14 is 2;

one end of the motor 20 is connected with a transmission chain 21, the other end of the transmission chain 21 is connected with a driving shaft 22, the driving shaft 22 penetrates through the support frame 10 and is fixedly connected with the rotary table 12, the rotary table 12 is distributed in a mirror image mode at the central point of the driving shaft 22, the motor 20 rotates the transmission chain 21, the transmission chain 21 is linked with the driving shaft 22, the rotary tables 12 at the left end and the right end of the driving shaft 22 can rotate, the rotary tables 12 synchronously rotate and can link corresponding first push rods 16, the first push rods 16 can push the bottom plate 9 in a symmetrical mode, the moving stability of the bottom plate 9 is improved, and deviation is avoided;

the outer surface of the rotary table 12 is connected with a movable shaft 13, the outer surface of the movable shaft 13 is movably connected with a linkage crank 14, one end of the linkage crank 14 and the support frame 10 form a rotating structure, one end of the linkage crank 14 is in sliding connection with a driven crank 15, the movable shaft 13 rotates by taking the rotary table 12 as a central point, the movable shaft 13 slides in the linkage crank 14, so that the linkage crank 14 rotates by taking a connecting point with the support frame 10 as a central point, the linkage crank 14 is driven, the length is conveniently controlled, and meanwhile, the reciprocating motion is carried out by utilizing a rotating mode;

one end of a driven crank 15 is mutually connected with the bottom end of a first push rod 16, a second push rod 17 and a third push rod 18 are sequentially arranged on the first push rod 16 from bottom to top, the driven crank 15 is mutually connected with the first push rod 16, the first push rod 16 carries out angle limiting on the driven crank 15, the driven crank 15 and a linkage crank 14 are mutually driven, so that the first push rod 16 slides along the bottom end of a guide plate 19, and the second push rod 17 and the third push rod 18 are driven to synchronously move;

the lengths of the first push rod 16, the second push rod 17 and the third push rod 18 are respectively long, medium and short, the first push rod 16, the second push rod 17 and the third push rod 18 are in sliding connection with the guide plate 19, the guide plate 19 is fixed on the top surface of the support frame 10, the lengths of the first push rod 16, the second push rod 17 and the third push rod 18 are different, corresponding functions are also different, the first push rod 16 is convenient for pushing the bottom plate 9 into the shell 1 from the feeding chute 4, the second push rod 17 is convenient for pushing the bottom plate 9 to the front end of the first push rod 16, the third push rod 18 is convenient for pushing the falling bottom plate 9 in the sliding frame 11 into the front end of the second push rod 17, and the first push rod 16, the second push rod 17 and the third push rod 18 push the bottom plate 9 uninterruptedly, so that the feeding efficiency of the bottom plate 9 is increased;

the top end of the scrap bin 5 is of a plane structure, the left end and the right end of the scrap bin 5 are inclined, the outer surface of the scrap bin 5 is connected with a sliding plate 8, the top end of the scrap bin 5 can carry out plane support on a bottom plate 9, when the bottom plate 9 is cut by taking the scrap bin 5 as a central point, the weight of the other end of the bottom plate 9 is larger than the weight of the end, which is contacted with the scrap bin 5, of the bottom plate 9, under the action of gravity, the bottom plate 9 falls onto the two ends of the scrap bin 5, and the bottom plate 9 slides into the upper end of the conveying frame from the sliding plate 8 according to the inclination angle of the scrap bin 5, so that the blanking convenience is improved;

the 3 central points of blank head and the 7 central points of chip groove are located same perpendicular line, 7 length of chip groove are greater than 9 length of bottom plate, the blank head 3 is flexible from top to bottom by cylinder 2, the blank head 3 is when cutting bottom plate 9, suction fan 6 makes 5 inside negative pressure states in of sweeps storehouse, the piece that the blank produced is followed chip groove 7 and is inhaled in sweeps storehouse 5, avoid the inside opposite sweeps of equipment to continuously pile up and be difficult to drive, also avoid the sweeps to be stained with and attach to the 9 outsides of bottom plate and influence processingquality simultaneously, thereby holistic practicality has been increased.

The working principle is as follows: when the cutting device for the keyboard bottom plate is used, firstly, the bottom plate 9 is stacked in the sliding frame 11, the distance between the bottom end of the sliding frame 11 and the bottom end of the guide plate 19 is about larger than the thickness of the bottom plate 9 by 1cm, the bottom plate 9 in the sliding frame 11 can be limited while ensuring the bottom plate 9 to be convenient to slide, the motor 20 at the bottom end of the support frame 10 is started, the motor 20 rotates the transmission chain 21, the transmission chain 21 is linked with the driving shaft 22 to rotate, the driving shaft 22 drives the turntables 12 at the left end and the right end to synchronously rotate, the turntables 12 drive the movable shaft 13 at the outer surface to slide in the linked crank 14 in the rotating process, the linked crank 14 rotates by taking the connecting point of the bottom end and the support frame 10 as a central point, meanwhile, the linked crank 14 and the driven crank 15 are mutually transmitted, the bottom end of the driven crank 15 slides in the linked crank 14, under the influence of the rotation of the linked crank 14, meanwhile, under the limit of the first push rod 16, the driven crank 15 drives the first push rod 16 to slide on the bottom surface of the guide plate 19, one end of the first push rod 16, one end of the second push rod 17 and one end of the third push rod 18 are flush, the other end of the first push rod 16, the second push rod 17 and the third push rod 18 are different in length, firstly, the third push rod 18 pushes the bottom plate 9 at the upper end of the guide plate 19 forwards, the bottom plate 9 at the upper end of the guide plate 19 is pushed into the upper end of the second push rod 17, after the position of the third push rod 18 is reset, the bottom plate 9 at the bottommost end in the sliding frame 11 falls onto the upper end of the guide plate 19, the third push rod 18 and the second push rod 17 move parallelly again, the bottom plate 9 at the front end is pushed into the shell 1 from the feed chute 4 by the first push rod 16 and stays at the upper end of the scrap bin 5, and then the material head 3 of the beveling cylinder 2 is started to stretch and retract, can produce the sweeps when blank head 3 contacts with bottom plate 9, under the effect of inside suction fan 6 in sweeps storehouse 5, make inside be in the negative pressure state, the suction of production is discharged the sweeps from chip groove 7 into sweeps storehouse 5 inside and is stored, when bottom plate 9 uses sweeps storehouse 5 as the central point and is cut off, 9 other end weight of bottom plate is greater than the weight with 5 contact jaw in sweeps storehouse, under the effect of gravity, bottom plate 9 drops the both ends in sweeps storehouse 5, and according to the inclination in sweeps storehouse 5, slide bottom plate 9 from slide 8 to the carriage upper end, and carry bottom plate 9, thereby the completion is to bottom plate 9 assembly line production, holistic practicality has been increased.

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 is blank device for bottom plate which characterized in that includes:

the device comprises a shell (1) which is of an external frame structure, wherein the top end of the shell (1) is provided with a cylinder (2), the bottom of the cylinder (2) is provided with a material cutting head (3), and a feeding groove (4) is formed in the shell (1);

the scrap bin (5) is installed at the bottom end of the shell (1), a suction fan (6) is installed inside the scrap bin (5), a scrap discharge groove (7) is formed in the top end of the scrap bin (5), and a bottom plate (9) is arranged on the top surface of the scrap bin (5);

a support frame (10) connected to the rear end of the shell (1), a motor (20) is arranged at the bottom end of the support frame (10), a sliding frame (11) is arranged at the top end of the support frame (10),

the linkage cranks (14) are arranged on the outer surface of one end of the support frame (10), and the number of the linkage cranks (14) is 2.

2. The blanking device for a keyboard tray according to claim 1, wherein: motor (20) one end is connected with drive chain (21), the other end of drive chain (21) is connected with drive shaft (22), support frame (10) and carousel (12) fixed connection are run through in drive shaft (22), carousel (12) distribute with drive shaft (22) central point mirror image.

3. The blanking device for a keyboard tray according to claim 2, wherein: the outer surface of the rotary table (12) is connected with a movable shaft (13), the outer surface of the movable shaft (13) is movably connected with a linkage crank (14), one end of the linkage crank (14) and the support frame (10) form a rotating structure, and one end of the linkage crank (14) is connected with the driven crank (15) in a sliding mode.

4. The blanking device for a keyboard tray according to claim 3, wherein: driven crank (15) one end and first push rod (16) bottom interconnect, second push rod (17) and third push rod (18) are installed in proper order from bottom to top in first push rod (16).

5. The blanking device for a keyboard floor according to claim 4, characterized in that: the length of the first push rod (16), the length of the second push rod (17) and the length of the third push rod (18) are respectively long, medium and short, the first push rod (16), the length of the second push rod (17) and the length of the third push rod (18) are in sliding connection with a guide plate (19), and the guide plate (19) is fixed on the top surface of the support frame (10).

6. The blanking device for a keyboard tray according to claim 1, wherein: the top end of the scrap bin (5) is of a plane structure, the left end and the right end of the scrap bin (5) are inclined, and a sliding plate (8) is connected to the outer surface of the scrap bin (5).

7. The blanking device for a keyboard tray according to claim 1, wherein: the material cutting head (3) central point and the chip groove (7) central point are located on the same vertical line, and the length of the chip groove (7) is larger than that of the bottom plate (9).