CN214819805U

CN214819805U - Floating thickness-fixing mechanism

Info

Publication number: CN214819805U
Application number: CN202022919103.1U
Authority: CN
Inventors: 邱建平; 苏广逑; 邓健青
Original assignee: Feizhou Deng
Current assignee: Feizhou Deng
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-23
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a floating thickness-fixing mechanism, which comprises a floating mechanism, a main shaft driving component and a cutting mechanism; the floating mechanism comprises a box body, a main shaft, a sleeve, a lifting driving cylinder and a height limiting mechanism; the height limiting mechanism and the lifting driving cylinder are arranged on the box body; the main shaft driving assembly can do lifting motion along the vertical direction under the driving of the lifting driving cylinder; when the cutting mechanism performs cutting operation, the lifting driving cylinder can drive the main shaft driving assembly to drive the cutting structure to automatically float and adjust the cutting amount; the height limiting mechanism is abutted against the bottom of the spindle driving assembly to limit the spindle driving assembly; the utility model discloses a lift cylinder control relocation mechanism's lift, relocation mechanism can the automatic unsteady cutting volume of adjusting, reduces equipment vibrations, protects the cutter simultaneously, prolongs the life-span of cutter.

Description

Floating thickness-fixing mechanism

Technical Field

The utility model relates to a decide thick technical field of mechanism, especially a float and decide thick mechanism.

Background

In the process of processing stone materials on the market at present, a thickness setting machine is usually used for performing thickness setting processing on the plates of stone materials, ceramics, artificial stones and the like, and a cutting processing is performed on a stone workpiece through the high-speed rotation of a cutter of a thickness setting mechanism arranged on the thickness setting machine; the fixed-thickness head cutter on the market rotates integrally to directly cut the sheet, the cutting force is large, a motor with large power is required to drive, and the energy consumption and the cost are high; in addition, the cutter is lifted and lowered usually by the control of a motor-driven screw rod, the cutting height of the cutter cannot be automatically finely adjusted according to the thickness change of a blank plate, when a thicker plate is encountered, the cutting force is suddenly increased due to the sudden increase of the cutting amount, equipment vibration is caused, and the cutter is easily damaged.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect, the utility model aims to provide a thick mechanism surely floats solves the panel of cutting unevenness and arouses equipment vibrations, leads to the cutter to damage easily to and the big problem of high cost of driving motor power.

To achieve the purpose, the utility model adopts the following technical proposal:

a floating thickness-fixing mechanism comprises a floating mechanism, a main shaft driving assembly and a cutting mechanism; one end of the floating mechanism is connected with the spindle driving assembly, and the other end of the floating mechanism is connected with the cutting mechanism; the floating mechanism comprises a box body, a main shaft, a sleeve, a lifting driving cylinder and a height limiting mechanism; the height limiting mechanism and the lifting driving cylinder are arranged on the box body; the main shaft driving assembly can do lifting motion along the vertical direction under the driving of the lifting driving cylinder; when the cutting mechanism performs cutting operation, the lifting driving cylinder can drive the main shaft driving assembly to drive the cutting mechanism to automatically float and adjust the cutting amount; the height limiting mechanism is abutted against the bottom of the spindle driving assembly to limit the spindle driving assembly.

Preferably, the lifting driving cylinders are provided with a plurality of driving cylinders, the lifting driving cylinders are arranged in the box body, and the output ends of the lifting driving cylinders are connected with the main shaft driving assembly.

Preferably, the height limiting mechanism comprises a limiting driving mechanism and a lifting mechanism; the lifting mechanism comprises an input device and an output device; the input device is arranged in the box body; the output end of the limiting driving mechanism is connected with the input device, and the input device drives the output device to perform lifting motion in the vertical direction under the driving of the limiting driving mechanism.

Preferably, a main shaft channel is arranged in the box body, the main shaft is arranged in the main shaft channel, one end of the main shaft is connected with the main shaft driving assembly, and the other end of the main shaft is connected with the cutting mechanism; the sleeve is arranged outside the main shaft; the sleeve is slidably arranged in the main shaft channel; the sleeve is driven by the lifting driving cylinder to do sliding motion in the vertical direction in the main shaft channel; the spindle is driven by the spindle driving assembly to rotate around the axis of the spindle in the sleeve.

Preferably, the main shaft driving assembly drives the cylinder to lift along with the lift, the main shaft motor set up in the installation base member, the action wheel set up in the output of main shaft motor, follow the driving wheel set up in the one end of main shaft, the conveyer belt around locate the action wheel with from between the driving wheel, make the action wheel with follow the driving wheel and pass through the conveyer belt transmission is connected.

Preferably, the driving wheel and the driven wheel are belt wheels, and the conveying belt is a transmission belt.

The utility model has the advantages that:

the utility model provides a mechanism surely thick floats according to above-mentioned content, goes up and down through cylinder drive main shaft, when meetting the panel of unevenness, the unsteady mechanism can the automatic unsteady cutting volume of adjusting, reduces equipment vibrations, protects the cutter simultaneously, prolongs the life-span of cutter.

Drawings

Fig. 1 is a partial cross-sectional view of a side view of the present invention;

fig. 2 is a front view of the present invention.

Wherein: the device comprises a floating mechanism 1, a box body 11, a main shaft 12, a lifting driving cylinder 13, a height limiting mechanism 14, a lifting mechanism 141, an input device 1411, an output device 1412, a limiting driving mechanism 142, a sleeve 15, a main shaft driving component 2, a main shaft motor 21, a mounting base 22, a driving wheel 23, a driven wheel 24, a conveyor belt 25 and a cutting mechanism 3.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

According to the figures 1-2, the floating thickness-fixing mechanism comprises a floating mechanism 1, a spindle driving assembly 2 and a cutting mechanism 3; one end of the floating mechanism 1 is connected with the spindle driving assembly 2, and the other end of the floating mechanism 1 is connected with the cutting mechanism 3; the floating mechanism 1 comprises a box body 11, a main shaft 12, a sleeve 15, a lifting driving cylinder 13 and a height limiting mechanism 14; the height limiting mechanism 14 and the lifting driving cylinder 13 are both arranged on the box body 11; the main shaft driving assembly 2 can do lifting motion along the vertical direction under the driving of the lifting driving cylinder 13; when the cutting mechanism 3 performs cutting operation, the lifting driving cylinder 13 can drive the main shaft driving assembly 2 to drive the cutting mechanism to automatically float and adjust the cutting amount; the height limiting mechanism 14 is abutted against the bottom of the spindle driving assembly 2 to limit the spindle driving assembly 2, and the thickness of the fixed thickness is accurately controlled.

Specifically, in the specific work, the floating thickness fixing mechanism of the present invention is fixed on the main body of the cutting machine, specifically, by fixing the box 11 on the machine, the lifting driving cylinder 13 drives the main shaft driving assembly 2 to do lifting motion in the vertical direction, the box 11 is provided with a main shaft passage penetrating through the upper and lower ends, and the main shaft 12 is slidably disposed in the main shaft passage; one end of the main shaft 12 is connected with the main shaft driving component 2, and the other end of the main shaft is connected with the floating mechanism 1, and the main shaft driving component 2 can drive the main shaft 12 and the floating mechanism 1 to do lifting movement in the vertical direction when doing lifting movement; the spindle driving assembly 2 drives the spindle 12 to rotate, so as to drive the floating mechanism 1 to rotate, and a workpiece is cut by a cutter of the floating mechanism 1;

when a workpiece needs to be cut, the floating mechanism 1 is driven to descend by controlling the air pressure of the lifting driving air cylinder 13, so that a cutter of the floating mechanism 1 is limited by the height limiting mechanism 14 after reaching a required cutting depth, specifically, in the descending process of the spindle driving assembly 2, the bottom of the spindle driving assembly 2 contacts the height limiting mechanism 14, the spindle driving assembly 2 cannot descend, and meanwhile, the floating mechanism 1 cannot descend, so that the cutting depth is controlled; at this time, the bottom of the spindle driving assembly 2 generates a continuous downward pressure on the height limiting mechanism 14, and simultaneously, the floating mechanism 1 also generates a continuous downward pressure with the same magnitude on the surface of the workpiece, and the magnitude of the downward pressure can be controlled by controlling the air pressure of the lifting driving cylinder 13; when the surface of a workpiece is raised, the cutting amount of the floating mechanism 1 is increased, so that an upward resistance is generated on the floating mechanism 1, and at the moment when the resistance is too large to exceed the downward pressure, the floating mechanism 1 drives the spindle driving assembly 2 to slightly float, so that a piston rod of the lifting driving cylinder 13 floats, the floating mechanism 1 slightly floats to reduce the cutting force, the cutting amount of a cutter of the floating mechanism 1 is reduced, and the problems that the traditional machine head has large integral vibration, serious cutter abrasion, short service life and the like due to the fact that the cutting force is reduced when the traditional machine head meets blank plates with different thicknesses are solved.

Further, there are a plurality of lifting driving cylinders 13, the lifting driving cylinders 13 are disposed in the box body 11, and the output ends of the lifting driving cylinders 13 are connected to the spindle driving assembly 2.

The magnitude of the downward pressure provided by the lifting driving cylinder 13 is determined by the air pressure of an air source; the adjustment of the air pressure controls the downforce of the spindle drive assembly 2 and thus the downforce of the tool. When the local thickness of the blank plate is too large and the cutting force is increased, the cutting force exceeds the pressing force of the cutter instantly, the cutter can automatically and slightly float upwards instantly, the cutting amount is reduced, the cutting force is reduced, and the blank plate can rapidly descend to the original position. The processing thickness that can guarantee panel is not influenced, can also avoid simultaneously can also avoiding the cutting force too big in the twinkling of an eye to arouse the excessive vibrations of machine, guarantees the machining precision in the twinkling of an eye and avoids excessive vibration.

Specifically, lift drive actuating cylinder 13 fixed set up in on the box 11, will lift drive actuating cylinder 13's piston rod with main shaft drive subassembly 2 is connected, makes lift drive actuating cylinder 13 promotes main shaft drive subassembly 2, lift drive actuating cylinder 13 handstand set up in box 11, but not forward set up in on the main shaft drive subassembly 2, can reduce lift drive actuating cylinder 13's load, be favorable to the extension lift drives actuating cylinder 13's life.

In this embodiment, two lifting driving cylinders 13 are provided, and the lifting driving cylinders 13 can provide sufficient downward pressure, so that the cutting force is ensured, the load intensity of the lifting driving cylinders 13 is reduced, and the service life of the lifting driving cylinders 13 is prolonged; in addition, two lifting driving cylinders 13 are symmetrically arranged on two sides of the case 11, which is beneficial to ensuring the balance of the movement of the spindle driving assembly 2 when the lifting driving cylinders 13 push the spindle driving assembly 2, and always keep moving in the vertical direction, ensuring the verticality of the spindle 12, ensuring the level of the floating mechanism 1, and ensuring the cutting effect.

Further, the height limiting mechanism 14 includes a limiting driving mechanism 142 and a lifting mechanism 141; the lifting mechanism 141 includes an input device 1411 and an output device 1412; the input device 1411 is arranged in the box body 11; the output end of the limit driving mechanism 142 is connected with the input device 1411, and the input device 1411 drives the output device 1412 to perform vertical lifting movement under the driving of the limit driving mechanism 142; the distance of descent is precisely controlled.

Specifically, the input device 1411 of the lifting mechanism 141 is driven to move by the limit driving mechanism 142, and the input device 1411 drives the output device 1412 to move up and down in the vertical direction, so that the height of the output device 1412 can be adjusted; when a workpiece needs to be cut, the lifting driving cylinder 13 drives the spindle driving assembly 2 to drive the cutting mechanism 3 to descend, the bottom end of the spindle driving assembly 2 is limited above the output device 1412 by controlling the height of the output device 1412, so that the descending depth of the cutting mechanism 3 is controlled, the purpose of controlling the cutting depth is achieved, when the cutting depth needs to be changed, the cutting depth can be adjusted only by controlling the limiting driving mechanism 142 to adjust the height of the output device 1412, the structure is simple, the flexibility of the utility model is improved, and different cutting depth requirements are met; in the present embodiment, the lifting mechanism 141 may be a conventional screw lifting mechanism.

Furthermore, the floating thickness-fixing mechanism can be used for replacing different cutting mechanisms 3 according to working requirements, so that different cutting requirements are met.

Further, a main shaft channel is arranged in the box body 11, the main shaft 12 is arranged in the main shaft channel, one end of the main shaft 12 is connected with the main shaft driving component 2, and the other end of the main shaft 12 is connected with the cutting mechanism 3; the sleeve 15 is arranged outside the main shaft 12; the sleeve 15 is slidably arranged in the main shaft channel; under the driving of the lifting driving cylinder 13, the sleeve 15 makes a sliding motion in the vertical direction in the main shaft channel; under the drive of the spindle drive assembly 2, the spindle 12 moves rotationally about its axis within the sleeve 15.

Specifically, under the driving of the lifting driving mechanism, the sleeve 15 performs lifting movement in the vertical direction in the spindle channel, and the sleeve 15 and the box body 11 perform relative up-and-down translational movement; and under the drive of the main shaft drive assembly 2, the sleeve 15 is arranged outside the main shaft 12 through a bearing, the main shaft 12 rotates in the sleeve 15, so that the rotation of the main shaft 12 and the lifting motion of the main shaft 12 are realized, the rotation of the main shaft 12 drives the cutter cutting operation of the floating mechanism 1, and the lifting motion of the main shaft 12 improves the downward pressure of the cutter of the floating mechanism 1, controls the cutter cutting amount and realizes the automatic floating function.

Further, the main shaft driving assembly comprises an installation base body 22, a main shaft motor 21, a driving wheel 23, a driven wheel 24 and a conveying belt 25, the main shaft driving assembly 2 is driven by the lifting driving cylinder 13 to lift, the main shaft motor 21 is arranged on the installation base body 22, the driving wheel 23 is arranged at the output end of the main shaft motor 21, the driven wheel 24 is arranged at one end of the main shaft 12, the conveying belt 25 is wound on the driving wheel 23 and between the driven wheel 24, and the driving wheel 23 and the driven wheel 24 are connected through the conveying belt 25 in a transmission mode.

Specifically, the driving wheel 23 is driven to rotate by the spindle motor 21, the driven wheel 24 is driven to rotate by the transmission of the conveying belt 25, the spindle 12 is arranged on the driven wheel 24, so that the spindle 12 is driven to rotate, and the spindle 12 and the driven wheel 24 rotate coaxially, so that the motion of the spindle motor 21 is transmitted to the spindle 12 to drive the machining operation of a tool.

Further, the driving wheel 23 and the driven wheel 24 are belt wheels, and the conveying belt 25 is a transmission belt.

Specifically, load impact can be alleviated through the belt pulley and the transmission belt, when the floating mechanism 1 cuts a workpiece, the cutting amount is suddenly increased, and a belt can be caused to slip on the belt pulley due to large resistance, so that damage to other parts can be prevented.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A floating thickness-fixing mechanism is characterized in that: comprises a floating mechanism, a main shaft driving component and a cutting mechanism; one end of the floating mechanism is connected with the spindle driving assembly, and the other end of the floating mechanism is connected with the cutting mechanism; the floating mechanism comprises a box body, a main shaft, a sleeve, a lifting driving cylinder and a height limiting mechanism; the height limiting mechanism and the lifting driving cylinder are arranged on the box body; the main shaft driving assembly can do lifting motion along the vertical direction under the driving of the lifting driving cylinder; when the cutting mechanism performs cutting operation, the lifting driving cylinder can drive the main shaft driving assembly to drive the cutting mechanism to automatically float and adjust the cutting amount; the height limiting mechanism is abutted against the bottom of the spindle driving assembly to limit the spindle driving assembly.

2. A floating thickness setting mechanism according to claim 1, wherein: the lifting driving air cylinder is provided with a plurality of air cylinders, the lifting driving air cylinder is arranged in the box body, and the output end of the lifting driving air cylinder is connected with the main shaft driving assembly.

3. A floating thickness setting mechanism according to claim 1, wherein: the height limiting mechanism comprises a limiting driving mechanism and a lifting mechanism; the lifting mechanism comprises an input device and an output device; the input device is arranged in the box body; the output end of the limiting driving mechanism is connected with the input device, and the input device drives the output device to perform lifting motion in the vertical direction under the driving of the limiting driving mechanism.

4. A floating thickness setting mechanism according to claim 1, wherein: a main shaft channel is arranged in the box body, the main shaft is arranged in the main shaft channel, one end of the main shaft is connected with the main shaft driving assembly, and the other end of the main shaft is connected with the cutting mechanism; the sleeve is arranged outside the main shaft; the sleeve is slidably arranged in the main shaft channel; the sleeve is driven by the lifting driving cylinder to do sliding motion in the vertical direction in the main shaft channel; the spindle is driven by the spindle driving assembly to rotate around the axis of the spindle in the sleeve.

5. A floating thickness setting mechanism according to claim 1, wherein: the main shaft drive subassembly includes installation base member, spindle motor, action wheel, follows driving wheel and conveyer belt, the main shaft drive subassembly follows the lift drives actuating cylinder lift, spindle motor set up in the installation base member, the action wheel set up in spindle motor's output, follow driving wheel set up in the one end of main shaft, the conveyer belt is around locating the action wheel with from between the driving wheel, make the action wheel with follow the driving wheel and pass through the conveyer belt transmission is connected.

6. A floating thickness setting mechanism according to claim 5, wherein: the driving wheel and the driven wheel are belt wheels, and the conveying belt is a transmission belt.