CN114953053A

CN114953053A - Desktop cutting device is used in processing of multi-functional desk

Info

Publication number: CN114953053A
Application number: CN202210733301.XA
Authority: CN
Inventors: 林青; 郑玉秋
Original assignee: Individual
Current assignee: Dongguan Xiangquan Furniture Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-08-30
Anticipated expiration: 2042-06-27
Also published as: CN114953053B

Abstract

The invention relates to the technical field of desktop cutting and punching equipment, and discloses a desktop cutting device for machining a multifunctional office desk, which comprises a transmission shaft, wherein three groups of lug seats arranged in an annular array are connected to one side of the outer surface of the transmission shaft in a pin joint mode, a cutting knife group is fixedly installed at the top end of each lug seat, a spiral chip guide groove with the same cutting and drilling direction as the cutting knife group is formed in the outer surface of the cutting knife group, and a cylindrical slotted hole is formed in the middle of the bottom end of the cutting knife group. This desktop cutting device is used in processing of multifunctional office table to the setting of pressure spring and hydraulic cylinder body on the cutting knife tackle, and the relation between elasticity and hydraulic transmission pressure changes the position relation of balancing weight for the cylindrical slotted hole for this cutting device has higher controllability, and whole process can accomplish under the state of not shutting down, and the flexibility of controlling is higher, and has further improved this cutting device to the machining efficiency of the great aperture through-hole of desktop.

Description

Desktop cutting device is used in processing of multi-functional desk

Technical Field

The invention relates to the technical field of desktop cutting and punching equipment, in particular to a desktop cutting device for machining a multifunctional office desk.

Background

The office table is a table equipped for convenient work in social activities, is different from a common household table, because multimedia equipment is an indispensable tool in the existing working environment, one or more through holes are usually required to be arranged on the office table for the convenience and the beauty of the connection of power lines and data lines of the multimedia equipment, and the arrangement apertures of the through holes on the office table are designed to be larger for the convenience of various power lines and data lines, so that the through holes on the office table are difficult to be formed by one-step processing by using a drill, and after a positioning hole is drilled, the procedures such as hole expanding and the like are required, so that the table top of the office table needs to be repeatedly clamped and positioned in the process of processing the through holes with larger apertures on the office table, the procedures during processing are complicated and have low efficiency, and the positions of the through holes on each group of table tops have certain deviation due to repeated clamping and positioning, thereby resulting in poor overall accuracy and quality of the batch of desktops.

Therefore, a drill mechanism for machining a through hole on a tabletop is needed to overcome the above-mentioned drawbacks of the prior art in machining a through hole with a larger diameter on a tabletop.

Disclosure of Invention

Technical problem to be solved

The invention provides a desktop cutting device for processing a multifunctional office desk, which has the advantages of capability of processing and forming a through hole with a larger aperture on a desktop at one time without reaming operation, no need of repeatedly clamping and positioning the desktop at the same time, higher processing efficiency of the desktop through hole and better overall quality, solves the problems that for the convenience and the attractiveness of the connection of a power line and a data line of multimedia equipment, one or more through holes are usually required to be arranged on the office desk, and the arrangement apertures of the through holes on the through holes are designed to be larger for the convenience of various power lines and data lines, so that the through holes on the office desk are difficult to be processed and formed at one time by a drill bit, and after a positioning hole is drilled, the procedures such as reaming and the like are required, so that the desktop of the office desk needs to be repeatedly clamped and positioned in the process of processing the through hole with the larger aperture on the office desk, the processing method has the advantages that the processing procedure is complicated and the efficiency is low, and the positions of the through holes in each group of desktops have certain deviation due to repeated clamping and positioning, so that the overall precision and quality of the batch of desktops are poor.

(II) technical scheme

The invention provides the following technical scheme: the utility model provides a desktop cutting device is used in processing of multi-functional desk, includes the transmission shaft, one side pin joint of transmission shaft surface has three groups to be the ear seat that the annular array arranged, the top fixed mounting of ear seat has cutting knife tackle, and is equipped with the chip groove of the spiral line structure that the cutting drilling direction is the same with it on cutting knife tackle's surface, cylindrical slotted hole has been seted up at the middle part of cutting knife tackle bottom, one side of cylindrical slotted hole cavity is equipped with pressure spring, the balancing weight has been cup jointed in the opposite side activity of cylindrical slotted hole cavity to form the transmission through between one side of pressure spring and cylindrical slotted hole cavity and be connected, the terminal surface fixed mounting on transmission shaft right side has hydraulic cylinder body, and hydraulic cylinder body's inside is linked together through the right side of intercommunication pipeline with cylindrical slotted hole cavity.

Preferably, the right side of the inner wall of the cylindrical groove hole on the cutting knife group is provided with a limit ring, the balancing weight is positioned on the left side of the limit ring, and one end of the communicating pipeline is positioned on the right side of the limit ring.

Preferably, the pressure spring on the cylindrical slot is always in a compressed state, so that the counterweight block in transmission connection with the pressure spring can be located at the rightmost side in the cylindrical slot chamber in an initial state.

Preferably, the elastic force of the pressure spring is always smaller than the pressure of hydraulic transmission oil in the hydraulic cylinder body, and under the extrusion action of hydraulic transmission, in the process that the counter weight block on the pressure spring moves towards the left side, under the action of centrifugal force, a bus on the cutting knife group and the central axis of the transmission shaft can be forced to be finally kept in a parallel state.

Preferably, when the cutting device is converted into a cylindrical structure, the three groups of cutting knife groups rotate on the outer surface to form a circular track structure.

(III) advantageous effects

The invention has the following beneficial effects:

1. this desktop cutting device is used in processing of multifunctional office table, to the setting of balancing weight on the cutting knife tackle, through changing the position relation of balancing weight for the cylindricality slotted hole, and utilize the change of the centrifugal force that the balancing weight received, and change this cutting device into cylindricality structure by the toper structure, compare with current cutting punching technology, can once only accomplish the through-hole machining operation who carries out great aperture to this desktop, and need not beat the locating hole earlier, carry out reaming process flow again, and then avoided the problem to this desktop repeated positioning, optimized its process of punching to this desktop, and simultaneously, make its machining efficiency to this desktop through-hole higher and overall quality better.

2. This desktop cutting device is used in processing of multi-functional desk, to the setting of pressure spring and hydraulic cylinder body on the cutting knife tackle, through the relation between elasticity and the hydraulic transmission pressure and change the position relation of balancing weight for the cylindrical slotted hole for this cutting device has higher controllability, and whole process can accomplish under the state of not shutting down, and the flexibility of controlling is higher, and has further improved the machining efficiency of this cutting device to the great aperture through-hole of desktop.

Drawings

FIG. 1 is a schematic view of the connection between the drive shaft and the cutter assembly according to the present invention;

FIG. 2 is a schematic view of a cutting blade assembly according to the present invention;

FIG. 3 is a schematic view of a first state of the structure of the present invention;

FIG. 4 is a schematic diagram of a second state of the structure of the present invention;

fig. 5 is a side view of the structure of the present invention in a second state.

In the figure: 1. a drive shaft; 2. an ear mount; 3. a cutting knife set; 4. a chip guide groove; 5. a cylindrical slot; 6. a pressure spring; 7. a balancing weight; 8. a hydraulic cylinder block; 9. and a communication pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a table top cutting device for processing a multifunctional office table comprises a transmission shaft 1, three sets of ear seats 2 arranged in an annular array are pinned on one side of the outer surface of the transmission shaft 1, a cutting knife set 3 is fixedly installed on the top end of the ear seats 2, the ear seats 2 can transmit torque on the transmission shaft 1 to the cutting knife set 3 and force the cutting knife set 3 to swing along the central axis of the transmission shaft 1, a spiral chip guide groove 4 with the same cutting and drilling direction as the cutting and drilling direction is arranged on the outer surface of the cutting knife set 3 for discharging wood chips generated during processing of a through hole on the table top, as shown in fig. 2, a cylindrical slot hole 5 is formed in the middle of the bottom end of the cutting knife set 3, a pressure spring 6 is arranged on one side of a cavity of the cylindrical slot hole 5, a balancing weight 7 is movably sleeved on the other side of the cavity of the cylindrical slot hole 5, and the center of gravity of the cutting knife set 3 can be adjusted by using the relative position of the balancing weight 7 in the cylindrical slot hole 5, and then the cutting knife tackle 3 is forced to present different-angle inclined states under the action of centrifugal force, and forms transmission connection with one side of a cavity of the cylindrical groove 5 through a pressure spring 6, a hydraulic cylinder 8 is fixedly installed on the end face on the right side of the transmission shaft 1, the inside of the hydraulic cylinder 8 is communicated with an external hydraulic pump station, the opening and closing time of the hydraulic cylinder is adjusted through a control system, the inside of the hydraulic cylinder 8 is communicated with the right side of the cavity of the cylindrical groove 5 through a communication pipeline 9, and meanwhile, one end of the hydraulic cylinder 8 is fixedly connected with a driving mechanism and drives the cutting device to rotate at high speed along with the hydraulic cylinder, so that a through hole on the table top is processed.

In this technical scheme, the right side of 5 inner walls of cylindrical slotted holes is equipped with the spacing ring on cutting knife tackle 3, and balancing weight 7 is located the left side of spacing ring, and the one end of intercommunication pipeline 9 is located the right side of spacing ring to ensure that the hydraulic drive oil in the hydraulic cylinder body 8 can all enter into the cavity of cylindrical slotted hole 5 no matter under this cutting device is in which kind of state.

In the present technical solution, the pressure spring 6 on the cylindrical slot 5 is always in a compressed state, so that the counterweight 7 in transmission connection with the pressure spring can be located at the rightmost side in the cavity of the cylindrical slot 5 in an initial state, and is influenced by the centrifugal force under the action of the counterweight 7 in the process of high-speed rotation of the cutting device to present a conical structure as shown in fig. 3.

In this technical scheme, the elasticity of pressure spring 6 is less than the pressure of hydraulic drive oil in the hydraulic cylinder body 8 all the time to under hydraulic drive's extrusion effect, make its overhead balancing weight 7 to the in-process that the left side removed, can force under the effect of centrifugal force and finally keep into parallel state between the generating line on the cutting knife group 3 and the axis of transmission shaft 1, and make this cutting device present the cylindricality structure as shown in fig. 4.

In this embodiment, when the cutting device is converted into a cylindrical structure, the three sets of cutting blades 3 rotate on the outer surface to form a circular track structure as shown in fig. 5.

The use method and the working principle of the embodiment are as follows:

the cutting device is fixedly arranged on the driving mechanism and is communicated with a hydraulic transmission system and a control system which are arranged on the driving mechanism, when a through hole with a larger aperture is required to be processed on the desktop of the office desk, a hydraulic pump station in a hydraulic cylinder body 8 is kept in a closed state firstly, so that a counterweight 7 in a cylindrical slotted hole 5 is positioned at the rightmost side under the elastic force action of a pressure spring 6, then the driving mechanism is started, a cutting knife group 3 on the hydraulic cylinder body 8 is driven to rotate at a high speed under the transmission action of a transmission shaft 1, and the cutting knife group 3 is forced to present a conical structure state under the influence of centrifugal force under the action of the counterweight 7, so that the processing operation of a positioning hole in the desktop through hole is realized;

after the positioning hole in the through hole of the table top is opened, a hydraulic pump station is started to convey hydraulic transmission oil into the cylindrical slotted hole 5 through a hydraulic cylinder 8, and a counterweight 7 is extruded to the left side to compress a pressure spring 6, so that the gravity center of the cutting knife group 3 is changed, and the angle between a bus on the cutting knife group 3 and the central axis of the transmission shaft 1 is gradually reduced until the bus and the central axis of the transmission shaft 1 are in a parallel state, so that the cutting device is converted into a cylindrical state from a conical state and realizes the processing operation of the through hole with larger diameter of the table top in the process of moving downwards;

and then, closing the hydraulic pump station, enabling the counter weight 7 on the cylindrical slotted hole 5 to be restored to the initial position under the action of the elastic force of the pressure spring 6, and then repeating the steps to perform through hole processing operation with a larger aperture on the table top of the next group of office tables.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 desktop cutting device is used in processing of multi-functional desk, includes transmission shaft (1), one side pin joint of transmission shaft (1) surface has three groups to be ear seat (2) that the annular array arranged, its characterized in that: the utility model discloses a hydraulic pressure cutting device, including ear seat (2), the top fixed mounting of ear seat (2) has cutting knife tackle (3), and is equipped with chip guide groove (4) with the same spiral line structure of cutting drilling direction on the surface of cutting knife tackle (3), cylindrical slotted hole (5) have been seted up at the middle part of cutting knife tackle (3) bottom, one side of cylindrical slotted hole (5) cavity is equipped with pressure spring (6), balancing weight (7) have been cup jointed in the opposite side activity of cylindrical slotted hole (5) cavity to form the transmission through between one side of pressure spring (6) and cylindrical slotted hole (5) cavity and be connected, the terminal surface fixed mounting on transmission shaft (1) right side has hydraulic cylinder body (8), and the inside of hydraulic cylinder body (8) is linked together through the right side of intercommunication pipeline (9) and cylindrical slotted hole (5) cavity.

2. The cutting device for the working table top of multifunctional office table as claimed in claim 1, wherein: the right side of the inner wall of the cylindrical slotted hole (5) on the cutting knife group (3) is provided with a limiting ring, the balancing weight (7) is positioned on the left side of the limiting ring, and one end of the communicating pipeline (9) is positioned on the right side of the limiting ring.

3. The cutting device for the working table top of multifunctional office table as claimed in claim 2, wherein: the pressure spring (6) on the cylindrical slotted hole (5) is always in a compressed state, so that the balancing weight (7) in transmission connection with the pressure spring can be positioned at the rightmost side in the cavity of the cylindrical slotted hole (5) in an initial state.

4. The cutting device for a multifunctional office table processing table top as claimed in claim 3, wherein: the elasticity of the pressure spring (6) is always smaller than the pressure of hydraulic transmission oil in the hydraulic cylinder body (8), and under the extrusion action of hydraulic transmission, in the process that the balancing weight (7) on the pressure spring moves towards the left side, the bus on the cutting knife group (3) and the central axis of the transmission shaft (1) can be forced to be kept in a parallel state under the action of centrifugal force.

5. The cutting device for the working table top of multifunctional office table as claimed in claim 4, wherein: when the cutting device is converted into a cylindrical structure, the three groups of cutting knife groups (3) form a circular track structure through the rotation of the outer surface of the cutting device.