CN218612340U

CN218612340U - Cnc engraving and milling machine feed mechanism

Info

Publication number: CN218612340U
Application number: CN202221817171.XU
Authority: CN
Inventors: 顾建红; 谢志伟; 陈云霞
Original assignee: Nanjing Beiqi Rapid Prototyping Co ltd
Current assignee: Nanjing Beiqi Rapid Prototyping Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-03-14
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an cnc engraving and milling machine feed mechanism, including shell, sculpture workstation, cylinder, push pedal, spout, screw rod hoisting component, polished rod and hoisting platform. The utility model discloses a screw rod hoisting component has been set up, reciprocate through screw rod hoisting component to the elevating platform and control, place the article on the elevating platform, promote the subassembly through the screw rod and promote elevating platform and article, then push the material to the sculpture workstation on, be convenient for carry out the material loading to the great article of weight, through having set up the elevating platform, be provided with fixture in the elevating platform, splint through four centre gripping coupling assembling of fixture carry out the centre gripping to the article, move when avoiding the article to go up unloading, the firm effect of last unloading of increase article.

Description

Cnc engraving and milling machine feed mechanism

Technical Field

The utility model relates to an engraving and milling machine correlation field especially relates to an engraving and milling machine feed mechanism.

Background

The metal engraving and milling machine is one of numerical control machines, can perform non-contact cutting and punching on metal or nonmetal plates and pipes, and is particularly suitable for laser cutting and processing of stainless steel plates, iron plates, silicon wafers, ceramic plates, titanium alloys, epoxy, A3 steel, diamond and other materials. The equipment has stable and reliable operation, good processing quality, high efficiency and simple operation and convenient maintenance.

When current cnc engraving and milling machine carves the article, need place the article on the sculpture workstation manually, be not convenient for take place to the great article of weight, lead to needing a plurality of people to carry out material loading and unloading to the great article of weight.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides an cnc engraving and milling machine feed mechanism.

In order to realize the purpose, the utility model discloses take following technical scheme: the utility model provides a cnc engraving and milling machine feed mechanism, includes shell, screw rod lifting means and lifting platform, the top of shell is provided with engraving work platform, engraving work platform's left side middle part is fixed with the cylinder, engraving work platform's inside left side is provided with the push pedal, the right-hand member and the push pedal fixed connection of cylinder, the spout has been seted up to the right side wall of shell, spout internally mounted has screw rod lifting means and polished rod, screw rod lifting means's right side is connected with the lifting platform, screw rod lifting means includes first motor, reduction gear, first bevel gear, second bevel gear, first screw rod and movable block, the output shaft on first motor's right side is connected with the reduction gear, the right side of reduction gear is connected with first bevel gear, first bevel gear's right side bottom and second bevel gear intermeshing, second bevel gear's centre of a circle department runs through has first screw rod, the vertical movable block that runs through of first screw rod, the inner wall and the first screw rod threaded connection of movable block, first motor and reduction gear bottom and shell fixed connection.

Optionally, the elevating platform includes movable table, pulley, curb plate and fixture, the pulley is installed at the top of movable table, both sides all are fixed with the curb plate around the top of movable table, the internally mounted of movable table has fixture, the left end front side and the movable block fixed connection of movable table, the vertical slip of polished rod is followed to the left end rear side of movable table.

Optionally, fixture includes spout one, second screw rod, second motor, slider and centre gripping coupling assembling, the inside of spout one is provided with the second screw rod, the right-hand member of second screw rod is connected with the output shaft of second motor, the slider has all been run through to the left and right sides of second screw rod, the slider outside is connected with centre gripping coupling assembling, the bottom middle part of activity platform is seted up to spout one, the right side middle part of activity platform is fixed in to the second motor.

Optionally, centre gripping coupling assembling includes pinion rack, gear, initiative synchronizing wheel, fixed axle, hold-in range, driven synchronizing wheel, connecting axle and splint, the outside and the gear intermeshing of pinion rack, the fixed axle has been run through to the centre of a circle department of gear, the bottom and the initiative synchronizing wheel centre of a circle department fixed connection of fixed axle, the outside of initiative synchronizing wheel is passed through hold-in range and driven synchronizing wheel synchronous rotation, the centre of a circle department and the connecting axle fixed connection of driven synchronizing wheel, the top of connecting axle stretch into to the curb plate in with splint fixed connection, the inboard and the slider fixed connection of pinion rack, fixed axle and connecting axle all adopt the bearing to rotate with the inner wall of movable table and are connected.

Optionally, the threads on the left side and the right side of the second screw are arranged in a positive and negative thread manner.

Optionally, the slider is square, an inner wall of the chute is attached to the slider.

Optionally, the clamping connection assemblies are four, and the four clamping connection assemblies are bilaterally symmetrical and front-back symmetrical.

Optionally, the centers of the gear, the driving synchronizing wheel and the fixed shaft are arranged on the same vertical line, and the centers of the driven synchronizing wheel and the connecting shaft are arranged on the same vertical line.

The utility model has the advantages that:

the utility model discloses a set up screw rod lifting unit, control reciprocating of elevating platform through screw rod lifting unit, place the article on the elevating platform, promote elevating platform and article through screw rod lifting unit, then push the material to the sculpture workstation on, be convenient for carry out the material loading to the great article of weight.

The utility model discloses a set up the elevating platform, be provided with fixture in the elevating platform, splint through four centre gripping coupling assembling of fixture carry out the centre gripping to the article, remove when avoiding the article to go up unloading, increase the firm effect of last unloading of article.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a sectional view of the screw lifting assembly of the present invention;

FIG. 4 is a schematic structural view of the lifting platform of the present invention;

FIG. 5 is a bottom view of the clamping mechanism of the present invention;

fig. 6 is a bottom sectional view of the clamping and connecting assembly structure of the present invention.

Wherein: the device comprises a shell-1, an engraving workbench-2, a cylinder-3, a push plate-4, a sliding chute-5, a screw lifting assembly-6, a polished rod-7, a lifting platform-8, a first motor-61, a speed reducer-62, a first bevel gear-63, a second bevel gear-64, a first screw-65, a movable block-66, a movable platform-81, a pulley-82, a side plate-83, a clamping mechanism-84, a sliding chute-841, a second screw-842, a second motor-843, a sliding block-844, a clamping connection assembly-845, a toothed plate-8451, a gear-8452, a driving synchronizing wheel-8453, a fixed shaft-8454, a synchronous belt-8455, a driven synchronizing wheel-8456, a connecting shaft-8457 and a clamping plate 8458.

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.

In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application.

In the present application, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific situations.

Please refer to fig. 1-2, the utility model provides a cnc engraving and milling machine feed mechanism, which comprises a housing 1, screw rod lifting unit 6 and lifting platform 8, the top of shell 1 is provided with sculpture workstation 2, the left side middle part of sculpture workstation 2 is fixed with cylinder 3, the inside left side of sculpture workstation 2 is provided with push pedal 4, the right-hand member and the push pedal 4 fixed connection of cylinder 3, spout 5 has been seted up to the right side wall of

shell

1, 5 internally mounted of spout have screw rod lifting unit 6 and polished rod 7, the right side of screw rod lifting unit 6 is connected with lifting platform 8.

Please refer to fig. 3, the utility model provides an cnc engraving and milling machine feed mechanism, screw rod lifting unit 6 includes first motor 61, reduction gear 62, first bevel gear 63, second bevel gear 64, first screw rod 65 and movable block 66, the output shaft on the right side of first motor 61 is connected with reduction gear 62, reduction gear 62's right side is connected with first bevel gear 63, first bevel gear 63's right side bottom and second bevel gear 64 intermeshing, the centre of a circle department of second bevel gear 64 runs through first screw rod 65, the vertical movable block 66 that runs through of first screw rod 65, the inner wall and the first screw rod 65 threaded connection of movable block 66, first motor 61 and reduction gear 62 bottom and shell 1 fixed connection.

Referring to fig. 4, the utility model provides an engraving and milling machine feed mechanism, elevating platform 8 include movable table 81, pulley 82, curb plate 83 and fixture 84, and pulley 82 is installed at the top of movable table 81, and both sides all are fixed with curb plate 83 around the top of movable table 81, and the internally mounted of movable table 81 has fixture 84, the left end front side and the movable block 66 fixed connection of movable table 81, and the vertical slip of polished rod 7 is followed to the left end rear side of movable table 81.

Please refer to fig. 5, the utility model provides an engraving and milling machine feed mechanism, fixture 84 includes spout one 841, second screw 842, second motor 843, slider 844 and centre gripping coupling assembling 845, the inside of spout one 841 is provided with second screw 842, the right-hand member of second screw 842 is connected with the output shaft of second motor 843, slider 844 has all been run through to the left and right sides of second screw 842, the slider 844 outside is connected with centre gripping coupling assembling 845, spout one 841 is seted up in the bottom middle part of revolving stage 81, second motor 843 is fixed in the right side middle part of revolving stage 81.

Referring to fig. 6, the present invention provides a feeding mechanism of a cnc engraving and milling machine, the clamping and connecting assembly 845 includes a toothed plate 8451, a gear 8452, a driving synchronizing wheel 8453, a fixing shaft 8454, a synchronous belt 8455, a driven synchronizing wheel 8456, a connecting shaft 8457 and a clamping plate 8458, an outer side of the toothed plate 8451 is engaged with the gear 8452, the fixing shaft 8454 penetrates through a circle center of the gear 8452, a bottom of the fixing shaft 8454 is fixedly connected with the circle center of the driving synchronizing wheel 8453, an outer side of the driving synchronizing wheel 8453 rotates synchronously with the driven synchronizing wheel 8456 through the synchronous belt 8455, the circle center of the driven synchronizing wheel 8456 is fixedly connected with the connecting shaft 8457, a top end of the connecting shaft 8457 extends into the side plate 83 to be fixedly connected with the clamping plate 8458, an inner side of the toothed plate 8451 is fixedly connected with the sliding block 844, and the fixing shaft 8454 and the connecting shaft 8457 are rotatably connected with an inner wall of the movable table 81 by a bearing.

In addition, the threads on the left side and the right side of the second screw 842 are arranged in a positive and negative thread manner, so that the second screw 842 rotates to drive the sliders 844 on the left side and the right side to contract or expand synchronously, the sliders 844 are square, the inner wall of the first chute 841 is attached to the sliders 844, the moving track of the sliders 844 is limited, four clamping and connecting assemblies 845 are arranged in a bilateral symmetry manner and a front-back symmetry manner, the carved objects are clamped and fixed through the rotation and contraction of the clamping plate 8458 of the clamping and connecting assemblies 845, the circle centers of the gear 8452, the driving synchronizing wheel 8453 and the fixed shaft 8454 are arranged in the same vertical line, the circle centers of the driven synchronizing wheel 8456 and the connecting shaft 8457 are arranged in the same vertical line, the gear 8452 rotates to drive the synchronous rotation of the circle center of the driving synchronizing wheel 8453 through the fixed shaft 8454, and the driven synchronizing wheel 8456 drives the clamping plate 8458 to rotate synchronously through the connecting shaft 8457.

The working principle is as follows:

before use, the device is firstly fixed on a required position through the shell 1, and then the power connection ports of the first motor 61 and the second motor 843 are connected with control equipment with an external power supply;

when a large-weight object is loaded, the object is placed on the movable table 81 of the lifting table 8, then the second motor 843 is controlled to generate power to drive the second screw 842 to rotate through the output shaft, because the sliding blocks 844 are square, the inner wall of the first sliding groove 841 is attached to the sliding blocks 844, the moving track of the sliding blocks 844 is limited, the threads on the left side and the right side of the second screw 842 are arranged in a positive-negative tooth manner, the second screw 842 rotates to drive the sliding blocks 844 on the left side and the right side to synchronously contract, the two sliding blocks 844 drive the toothed plates 8451 of the four clamping connection assemblies 845 to synchronously move, the toothed plates 8451 move inwards to drive the gears 8452 to rotate, the gears 8452 drive the driving synchronizing wheel 8453 to synchronously rotate through the fixed shaft 8454, the driving synchronizing wheel 8453 drives the driven synchronizing wheel 8456 to synchronously rotate through the synchronous belt 8455, the driven synchronizing wheel 8456 drives the clamping plate 8458 to synchronously rotate through the connecting shaft 8457, and the clamping plate 8458 of the four clamping connection assemblies 845 simultaneously rotate to clamp and fix the edge of the object, so as to avoid the object from moving when the object is loaded and unloaded;

then, the first motor 61 is controlled to generate power to drive the circle center of the first bevel gear 63 to rotate through the speed reducer 62, the first bevel gear 63 drives the second bevel gear 64 to rotate, the second bevel gear 64 drives the first screw 65 to synchronously rotate, the first screw 65 rotates to drive the movable block 66 to move upwards through the thread fit between the first screw 65 and the movable block 66, the movable block 66 drives the lifting platform 8 and the object to be lifted, after the lifting platform 8 is lifted to the same height as the engraving workbench 2, the second motor 843 is controlled to reversely drive the second screw 842 to rotate, the clamping plates 8458 of the four clamping and connecting assemblies 845 are simultaneously expanded into the side plates 83, then the object is pushed to move leftwards, and the object slides leftwards to the engraving workbench 2 through the pulley 82 to perform engraving work;

after the article sculpture is accomplished, control cylinder 3 extends and promotes the article through push pedal 4 and move to lifting platform 8 left on, then control fixture 84 carries out the centre gripping to the article, then control screw rod lifting unit 6 drives lifting platform 8 and article and moves down, accomplishes the last unloading operation to the article, reduces user's manual operation, and is convenient for go up the unloading operation to the great article of weight, reduces operating personnel's physical consumption.

The utility model provides a cnc engraving and milling machine feed mechanism, through having set up screw rod hoisting component 6, control reciprocating of elevating platform 8 through screw rod hoisting component 6, place the article on elevating platform 8, promote elevating platform 8 and article through screw rod hoisting component 6, then push the material to engraving work platform 2 on, be convenient for carry out the material loading to the great article of weight, through having set up elevating platform 8, be provided with fixture 84 in elevating platform 8, splint 8458 through four centre gripping coupling assembling 845 of fixture 84 carry out the centre gripping to the article, remove when avoiding the article to carry out unloading, the firm effect of last unloading of the last unloading of increase article.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding mechanism of a carving machine comprises a shell (1), wherein a carving workbench (2) is arranged at the top end of the shell (1), a cylinder (3) is fixed in the middle of the left side of the carving workbench (2), a push plate (4) is arranged on the left side of the interior of the carving workbench (2), the right end of the cylinder (3) is fixedly connected with the push plate (4), and a sliding groove (5) is formed in the right side wall of the shell (1);

the method is characterized in that: the screw rod lifting device is characterized by further comprising a screw rod lifting assembly (6) and a lifting platform (8), wherein a screw rod lifting assembly (6) and a polished rod (7) are installed inside the sliding groove (5), the right side of the screw rod lifting assembly (6) is connected with the lifting platform (8), the screw rod lifting assembly (6) comprises a first motor (61), a speed reducer (62), a first bevel gear (63), a second bevel gear (64), a first screw rod (65) and a movable block (66), an output shaft on the right side of the first motor (61) is connected with the speed reducer (62), the right side of the speed reducer (62) is connected with the first bevel gear (63), the bottom of the right side of the first bevel gear (63) is meshed with the second bevel gear (64), the first screw rod (65) penetrates through the circle center of the second bevel gear (64), the first screw rod (65) vertically penetrates through the movable block (66), the inner wall of the movable block (66) is in threaded connection with the first screw rod (65), and the bottoms of the first motor (61) and the speed reducer (62) are fixedly connected with the shell (1).

2. The cnc engraving and milling machine feed mechanism of claim 1 which characterized in that: lifting table (8) is including activity platform (81), pulley (82), curb plate (83) and fixture (84), pulley (82) are installed at the top of activity platform (81), both sides all are fixed with curb plate (83) around the top of activity platform (81), the internally mounted of activity platform (81) has fixture (84), the left end front side and the movable block (66) fixed connection of activity platform (81), polished rod (7) vertical slip is followed to the left end rear side of activity platform (81).

3. The cnc engraving and milling machine feed mechanism of claim 2, characterized in that: fixture (84) include spout one (841), second screw rod (842), second motor (843), slider (844) and centre gripping coupling assembling (845), the inside of spout one (841) is provided with second screw rod (842), the right-hand member of second screw rod (842) is connected with the output shaft of second motor (843), slider (844) has all been run through to the left and right sides of second screw rod (842), slider (844) outside is connected with centre gripping coupling assembling (845), the bottom middle part of activity platform (81) is seted up in spout one (841), second motor (843) are fixed in the right side middle part of activity platform (81).

4. The cnc engraving and milling machine feed mechanism of claim 3, characterized in that: the clamping connection assembly (845) comprises a toothed plate (8451), a gear (8452), a driving synchronizing wheel (8453), a fixed shaft (8454), a synchronous belt (8455), a driven synchronizing wheel (8456), a connection shaft (8457) and a clamping plate (8458), wherein the outer side of the toothed plate (8451) is meshed with the gear (8452), the fixed shaft (8454) penetrates through the circle center of the gear (8452), the bottom of the fixed shaft (8454) is fixedly connected with the circle center of the driving synchronizing wheel (8453), the outer side of the driving synchronizing wheel (8453) synchronously rotates with the driven synchronizing wheel (8456) through the synchronous belt (8455), the circle center of the driven synchronizing wheel (8456) is fixedly connected with the connection shaft (8457), the top end of the connection shaft (8457) extends into a side plate (83) and is fixedly connected with the clamping plate (8458), the inner side of the toothed plate (8451) is fixedly connected with a sliding block (844), and the fixed shaft (8454) and the connection shaft (8457) are movably connected with the inner wall of the rotation table (81).

5. The cnc engraving and milling machine feed mechanism of claim 3, characterized in that: the threads on the left side and the right side of the second screw (842) are arranged in a positive and negative tooth manner.

6. The cnc engraving and milling machine feed mechanism of claim 3, characterized in that: the slider (844) is square, and the inner wall of the first sliding groove (841) is attached to the slider (844).

7. The cnc engraving and milling machine feed mechanism of claim 3, characterized in that: centre gripping coupling assembling (845) are provided with four, and four centre gripping coupling assembling (845) are bilateral symmetry and longitudinal symmetry.

8. The cnc engraving and milling machine feed mechanism of claim 4, characterized in that: the centers of circles of the gear (8452), the driving synchronizing wheel (8453) and the fixed shaft (8454) are arranged on the same vertical line, and the centers of circles of the driven synchronizing wheel (8456) and the connecting shaft (8457) are arranged on the same vertical line.