CN210969249U

CN210969249U - Desk board arc angle cutting device for desk

Info

Publication number: CN210969249U
Application number: CN201921427638.8U
Authority: CN
Inventors: 刘金莹
Original assignee: Hangzhou Bole Co ltd
Current assignee: Hangzhou Bole Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-10
Anticipated expiration: 2029-08-29

Abstract

The utility model provides a table board arc angle cutting device for desk relates to table processing technology field. This table arc angle cutting device for desk, including base and motor, the inside of base is the cavity structure, and the output fixedly connected with driving gear of motor, the inside that the interior diapire of base was pegged graft and is had the pivot base is provided with driven gear, is provided with the rack between driven gear and the driving gear. This table arc angle cutting device for desk, through setting up the driving gear, driven gear and guide rail groove, the effect that the cutting mechanism layering carries out the circular arc cutting to the table angle has been reached, when having solved present table arc angle cutting for desk, it is practical hand-held type small-size cutting machine mostly, the circular arc difference of cutting is very big, the circular arc that makes to cut out is not pleasing to the eye, some fixed cutting machines mostly once only cut when the cutting, the circular arc that once feed volume caused when the cutting very big very easily has the problem of breach.

Description

Desk board arc angle cutting device for desk

Technical Field

The utility model relates to a table processing technology field specifically is a table arc angle cutting device for desk.

Background

The office table is a table which is convenient to work in daily life and social activities, and the main consumer groups of the office table are divided into two categories: firstly, purchasing of enterprises; secondly, government's purchase, the table of desk usually needs to carry out the circular arc cutting in the in-process of making, makes the desk more pleasing to the eye, also avoids the corner of a desk to hurt people.

When table arc angle cutting for desk now, practical hand-held small-size cutting machine mostly, the circular arc difference of cutting is very big, makes the circular arc of cutting out pleasing to the eye, and some fixed cutting machine mostly once only cut when the cutting, and the circular arc that once feed volume too big very easily causes to cut when the cutting has a breach, consequently provides a table arc angle cutting device for desk.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a table arc angle cutting device for desk has solved table arc angle cutting for desk now, and most are practical hand-held type small-size cutting machine, and the circular arc difference of cutting is very big, makes the circular arc of cutting out pleasing to the eye, and most all once only cut when the cutting of some fixed cutting machines, and the problem that there is the breach in the circular arc that once feed volume very big caused cutting to become when the cutting very easily.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a table arc angle cutting device for desk, including base and motor, the inside of base is the cavity structure, motor fixed connection is in the inside of base, the output fixedly connected with driving gear of motor, the interior diapire of base is pegged graft and is had the pivot, the pivot is located the rear of driving gear, the inside of base is provided with driven gear, driven gear cup joints the surface at the pivot, be provided with the rack between driven gear and the driving gear, rack and driven gear and driving gear meshing, the equal fixed connection movable block in the left and right sides of rack, two movable blocks all contact with the interior diapire of base, it is provided with telescopic link A to be located between the left movable block and the left side inner wall of base, telescopic link A's both ends respectively with movable block and base.

The pivot is located the fixed cover of the outside one end of base and has been connect telescopic link B, the upper surface of base is provided with stock and stripper plate, the stripper plate is located between stock and the base, stock and base and stripper plate contact, the equal fixedly connected with adjusting device in both sides of stripper plate, the one end that two adjusting device kept away from each other all with the upper surface threaded connection of base, telescopic link B keeps away from the fixed cover of one end of pivot and has connect cutting mechanism, cutting mechanism's lower extreme and the front end contact of stock, the guide rail groove has been seted up to the upper surface of base, be provided with telescopic link C between base and the telescopic link B, telescopic link C's upper end and telescopic link B fixed connection, telescopic link C's lower extreme slides and pegs graft in the inside in guide rail groove, four angles of stripper plate all are provided with the scute, four scutes all contact with the stripper plate.

Preferably, the two adjusting devices respectively comprise a fixing plate and an adjusting bolt, one end of each fixing plate, which is close to each other, is fixedly connected with the base, and the two adjusting bolts respectively penetrate through the two fixing plates and then are in threaded connection with the base.

Preferably, the front and back surfaces of the two moving blocks are provided with limit plates, and the bottom surfaces of the limit plates are fixedly connected with the inner bottom wall of the base.

Preferably, the shape of the guide rail groove is three circular arcs communicated with each other, and the bottom wall in one end of the guide rail groove is recessed and then gradually raised from the bottom wall in the other end of the guide rail groove.

Preferably, the four corner plates are all L-shaped, and are all arranged perpendicular to the extrusion plate.

Preferably, the angle of the tooth of the driving gear is the same as the arc angle of the guide rail groove, and the modulus of the driving gear is the same as that of the driven gear.

(III) advantageous effects

The utility model provides a table board arc angle cutting device for office table. The method has the following beneficial effects:

1. the cutting device for the arc-shaped angle of the desk plate comprises a driving gear, a driven gear and a guide rail groove, wherein the motor is powered on, the driving gear is driven to rotate by the rotation of the motor to move a rack, so that the driven gear rotates, a telescopic rod B fixed on a rotating shaft rotates, a telescopic rod C further moves in the guide rail groove, when the driving gear is not meshed with the rack by the rotation of the motor, the rack is reset under the action of the telescopic rod A, the rotating shaft moves in the opposite direction, so that the telescopic rod C moves leftwards, as one end of the guide rail groove is concave, the telescopic rod C can only move from the next arc in the guide rail groove, the motor continuously rotates, so that the driving gear and the rack are in reciprocating meshing, the effect of cutting the arc-shaped angle of the desk plate by the cutting mechanism in a layered mode is achieved, and the problem of cutting the arc-shaped angle of the desk plate for the, most are practical hand-held small-size cutting machine, and the circular arc difference of cutting is very big, makes the circular arc of cutting out pleasing to the eye, and some fixed cutting machines mostly all once only cut when the cutting, and the problem that the circular arc that once feeds the volume too big very easily and cause to cut into has the breach when the cutting.

2. This table arc angle cutting device for desk, through setting up the limiting plate, when the rack carries out reciprocating motion at driving gear and telescopic link A, horizontal migration when the limiting plate makes the movable block remove has reached the limiting plate and has played spacing effect to the movable block moving direction, has solved the problem that the movable block takes place skew at the in-process that removes.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at the position A in the structure diagram of the present invention in FIG. 2;

FIG. 3 is a schematic view of the internal structure of the base of the present invention;

fig. 4 is a schematic view of the transmission structure of the present invention.

The automatic cutting machine comprises a base 1, a motor 2, a driving gear 3, a rotating shaft 4, a driven gear 5, a rack 6, a moving block 7, an expansion rod A8, an expansion rod B9, a blank 10, an extrusion plate 11, an adjusting device 12, a fixing plate 121, an adjusting bolt 122, a cutting mechanism 13, a guide rail groove 14, an expansion rod C15, an angle plate 16 and a limiting plate 17.

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.

The embodiment of the utility model provides a desk board arc angle cutting device for office desk, as shown in figure 1-4, including base 1 and motor 2, the inside of base 1 is the cavity structure, motor 2 is fixedly connected in the inside of base 1, the output of motor 2 is fixedly connected with driving gear 3, the interior diapire of base 1 is pegged graft and is had pivot 4, pivot 4 is located the rear of driving gear 3, the inside of base 1 is provided with driven gear 5, driven gear 5 cup joints the surface of pivot 4, be provided with rack 6 between driven gear 5 and driving gear 3, rack 6 meshes with driven gear 5 and driving gear 3, the moving block 7 is all fixedly connected to the left and right sides of rack 6, two moving blocks 7 all contact with the interior diapire of base 1, the dead back of two moving blocks 7 all is provided with limiting plate 17, the bottom surface of limiting plate 17 is fixedly connected with the interior diapire of base 1, the limiting plate 17 has a function of positioning the movement of the moving block 7 and preventing the moving block 7 from shifting, an expansion rod A8 is arranged between the moving block 7 on the left side and the inner wall on the left side of the base 1, and two ends of the expansion rod A8 are fixedly connected with the moving block 7 and the base 1 respectively.

The utility model discloses a telescopic link, including base 1, extrusion plate 11, fixing telescopic link B9 fixedly connected to one end of pivot 4, the upper surface of base 1 is provided with blank 10 and extrusion plate 11, extrusion plate 11 is located between blank 10 and base 1, blank 10 contacts with base 1 and extrusion plate 11, equal fixedly connected with adjusting device 12 in the both sides of extrusion plate 11, the one end that two adjusting device 12 kept away from each other all is with the upper surface threaded connection of base 1, two adjusting device 12 all include fixed plate 121 and adjusting bolt 122, the one end that two fixed plate 121 are close to each other is fixed connection with base 1, two adjusting bolt 122 respectively run through two fixed plate 121 after with base 1 threaded connection, reach the effect that extrusion plate 11 fastens and loosens blank 10 through adjusting bolt 122, telescopic link B9 keeps away from the fixed cover of the one end of pivot 4 and has cutting mechanism 13, cutting mechanism 13 is connected with the power alone and rotates, the lower extreme of cutting mechanism 13 contacts with the front end of blank 10, the upper surface of base 1 has been seted up and down guide rail groove 14, the guide rail groove 14 is three circular arcs that the shape of guide rail groove 14 is the three circular arc that communicates each other, and the bottom wall of telescopic link C16 that the telescopic link C16 is the telescopic link C16 that the telescopic link moves back to the fixed guide rail groove of the telescopic link C16 after the guide rail groove gets back to the fixed groove 3, the fixed groove of the telescopic link gets back to the horn groove, the telescopic link C16 that the telescopic link moves back to the telescopic link C16, the telescopic link moves back to the horn groove, the telescopic link 2C 13 after the horn groove of the horn groove, the horn groove of the horn groove, the horn groove of the telescopic link reaches the horn groove, the horn groove of the horn groove, the telescopic link reaches the.

The working principle is that the motor 2 is connected with a power supply, the rotation of the motor 2 drives the driving gear 3 to rotate, so that the rack 6 moves, thereby the driven gear 5 rotates, so that the telescopic rod B9 fixed on the rotating shaft 4 rotates, further the telescopic rod C15 moves in the guide rail groove 14, when the motor 2 rotates to make the driving gear 3 not engaged with the rack 6, the rack 6 is reset under the action of the telescopic rod A8, the rotating shaft 4 moves in the opposite direction, so that the telescopic rod C15 moves leftwards, because one end of the guide rail groove 14 is a concave, the telescopic rod C15 can only move from the next arc in the guide rail groove 14, the motor 2 rotates continuously, so that the driving gear 3 is in reciprocating engagement with the rack 6, the cutting mechanism 13 repeatedly cuts the table corner, when the telescopic bar C15 moves to the last arc of the rail groove 14, it returns to the initial position from the left arc of the rail groove 14.

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 table arc angle cutting device for desk, includes base (1) and motor (2), its characterized in that: the inner part of the base (1) is of a cavity structure, the motor (2) is fixedly connected to the inner part of the base (1), the output end of the motor (2) is fixedly connected with a driving gear (3), a rotating shaft (4) is spliced on the inner bottom wall of the base (1), the rotating shaft (4) is positioned behind the driving gear (3), a driven gear (5) is arranged inside the base (1), the driven gear (5) is sleeved on the outer surface of the rotating shaft (4), a rack (6) is arranged between the driven gear (5) and the driving gear (3), the rack (6) is meshed with the driven gear (5) and the driving gear (3), the left side and the right side of the rack (6) are fixedly connected with moving blocks (7), the two moving blocks (7) are both contacted with the inner bottom wall of the base (1), a telescopic rod A (8) is arranged between the moving block (7) positioned on, two ends of the telescopic rod A (8) are respectively fixedly connected with the moving block (7) and the base (1);

the end of the rotating shaft (4) positioned outside the base (1) is fixedly sleeved with a telescopic rod B (9), the upper surface of the base (1) is provided with a blank (10) and an extrusion plate (11), the extrusion plate (11) is positioned between the blank (10) and the base (1), the blank (10) is in contact with the base (1) and the extrusion plate (11), two sides of the extrusion plate (11) are fixedly connected with adjusting devices (12), the ends of the two adjusting devices (12) far away from each other are in threaded connection with the upper surface of the base (1), one end of the telescopic rod B (9) far away from the rotating shaft (4) is fixedly sleeved with a cutting mechanism (13), the lower end of the cutting mechanism (13) is in contact with the front end of the blank (10), the upper surface of the base (1) is provided with a guide rail groove (14), a telescopic rod C (15) is arranged between the base (1) and the telescopic rod B (9), and the upper end of the telescopic rod C (15) is, the lower end of the telescopic rod C (15) is slidably inserted in the guide rail groove (14), four corners of the extrusion plate (11) are provided with angle plates (16), the four angle plates (16) are in contact with the extrusion plate (11), and the bottom surfaces of the four angle plates (16) are fixedly connected with the upper surface of the base (1).

2. A table corner cutting apparatus as claimed in claim 1, wherein: two adjusting device (12) all include fixed plate (121) and adjusting bolt (122), and the one end and base (1) fixed connection that two fixed plate (121) are close to each other, and two adjusting bolt (122) run through behind two fixed plate (121) respectively with base (1) threaded connection.

3. A table corner cutting apparatus as claimed in claim 1, wherein: limiting plates (17) are arranged on the front back surfaces of the two moving blocks (7), and the bottom surfaces of the limiting plates (17) are fixedly connected with the inner bottom wall of the base (1).

4. A table corner cutting apparatus as claimed in claim 1, wherein: the shape of guide rail groove (14) is three circular arcs of intercommunication each other, and the diapire all sets up to sunken then risees gradually in the other end of guide rail groove (14) in the one end of guide rail groove (14).

5. The device for cutting the arc-shaped corner of the desk board as claimed in claim 1, wherein the four corner boards (16) are all L-shaped, and the four corner boards (16) are all arranged perpendicular to the extrusion plate (11).

6. A table corner cutting apparatus as claimed in claim 1, wherein: the angle of the tooth of the driving gear (3) is the same as the arc angle of the guide rail groove (14), and the modulus of the driving gear (3) is the same as that of the driven gear (5).