CN110549620B

CN110549620B - Drawing of patterns paper tightening fixing device that cooperation 3D printer bottom plate used

Info

Publication number: CN110549620B
Application number: CN201910868071.6A
Authority: CN
Inventors: 束宇晨
Original assignee: Hangzhou Juna Electronic Technology Co ltd
Current assignee: Li Qiannan
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2022-12-09
Anticipated expiration: 2039-09-16
Also published as: CN110549620A

Abstract

The invention belongs to the field of 3D printing, and particularly relates to a stripping paper tightening fixing device matched with a base plate of a 3D printer, which comprises two clamping plates, four scale shafts, two pressing plates, four pressing knobs, two bidirectional threaded rods, two tightening knobs and a plurality of idler wheels, wherein the two clamping plates are of a U-shaped structure which is transversely arranged, the four scale shafts are vertically embedded on the two clamping plates, every two scale shafts are symmetrically arranged at the top of each clamping plate at intervals, the pressing knobs are arranged on the scale shafts, the two pressing plates are arranged at the upper ends of the inner sides of the two clamping plates, the two bidirectional threaded rods are arranged between the two clamping plates, two ends of each bidirectional threaded rod penetrate through the two clamping plates, the two tightening knobs are arranged at the free ends of the two bidirectional threaded rods, the idler wheels are arranged at the inner sides of the clamping plates, and a worker can fix and tighten the stripping paper by rotating the two knobs, so that the device effectively overcomes the defects that the stripping paper is easy to slide, the poor printing quality and the like.

Description

Drawing of patterns paper tightening fixing device that cooperation 3D printer bottom plate used

Technical Field

The invention relates to the field of 3D printing, in particular to a demoulding paper tightening and fixing device used in cooperation with a base plate of a 3D printer.

Background

3D printing belongs to one of the rapid prototyping technology, and is a technology for constructing an object by using a bondable material such as powdered metal or plastic and the like in a layer-by-layer stacking accumulation mode on the basis of a digital model, and is widely applied to the field of industrial design at present.

The existing printer directly prints on the bottom plate, the product is printed and needs to be peeled off between the product and the bottom plate after being unfolded, in actual conditions, one layer of demolding paper is often placed on the bottom plate of the printer, so that the product does not need to be peeled off after being printed, the demolding paper can be directly torn down, however, the demolding paper is placed on the bottom plate of the printer most of the time and is easy to slide, and therefore the printing quality of the product is poor, and therefore a device for fixing the demolding paper is necessary to design.

Disclosure of Invention

The invention aims to provide a demoulding paper tightening and fixing device matched with a bottom plate of a 3D printer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a stripper paper that cooperation 3D printer bottom plate used tightens fixing device, including two clamp plates, four scale shafts, two clamp plates, four compress tightly the knob, two-way threaded rods, two tighten knob and a plurality of gyro wheel, two clamp plates are the U type structure of horizontal setting for big small structure is the same, four scale shafts are cylindrical structure and all are vertical state and inlay and locate on two clamp plates, per two scale shaft interval symmetries set up in every clamp plate top, four compress tightly the T type structure that the knob is vertical setting, compress tightly the knob and set up on the scale shaft and one compress tightly the knob and correspond a scale shaft, two clamp plates all are bar structure, and two clamp plates set up in the inboard upper end of two clamp plates, every clamp plate all compresses tightly the knob with two correspondences on every clamp plate, the setting of two-way threaded rod parallel symmetries is between two clamp plates and two clamp plates are all passed at the both ends of every two-way threaded rod, two tighten the knob are cylindrical structure and set up in the same one side free end of two-way threaded rods, the gyro wheel sets up in the inboard of clamp plate.

As an optimal scheme of the demoulding paper tightening fixing device used in cooperation with a 3D printer bottom plate, the top of each clamping plate is provided with two hole grooves for the scale shaft to pass through, the scale shaft is fixedly connected with the clamping plate, the lower end of the inner side of each clamping plate is provided with two T-shaped grooves, the top ends of the two side faces of each T-shaped groove are respectively provided with four convex blocks for clamping rollers, the side face of the non-opening end of each clamping plate is provided with two threaded holes, and the two clamping plates are in threaded connection with two bidirectional threaded rods.

As an optimal scheme of the demoulding paper tightening and fixing device used in cooperation with the bottom plate of the 3D printer, the curved surfaces of the four scale shafts are provided with scale values along the vertical direction.

As the demoulding paper tightening fixing device matched with the bottom plate of the 3D printer, the upper half parts of the four pressing knobs are provided with a plurality of ribs, the top ends of the inner sides of the four pressing knobs are provided with threaded shafts, the threaded shafts penetrate through the lower ends of the scale shafts and are fixedly provided with flanges, the flanges are embedded with the pressing plate and are connected, and the threaded shafts are in threaded connection with the scale shafts.

As a preferred scheme of the demoulding paper tightening and fixing device matched with the bottom plate of the 3D printer, wheel shafts are arranged at two ends of each roller, the wheel shafts are attached to corresponding lugs, and the wheel shafts are in rolling connection with T-shaped grooves.

As an optimal scheme of the demoulding paper tightening and fixing device used in cooperation with the bottom plate of the 3D printer, two abutting blocks are arranged at the inner side thread ends of two ends of each of the two bidirectional threaded rods.

As an optimal scheme of the demoulding paper tightening and fixing device used in cooperation with the bottom plate of the 3D printer, two ends of each bidirectional threaded rod, which are in contact with the clamping blocks, are respectively provided with a guide block, and the guide blocks are fixedly connected with the clamping plates.

As a preferred scheme of the demoulding paper tightening fixing device used in cooperation with the bottom plate of the 3D printer, the two tightening knobs are in threaded connection with the two bidirectional threaded rods.

The invention has the beneficial effects that: the staff at first places the drawing template on 3D prints the bottom plate, because of the threaded shaft and the scale shaft threaded connection who compress tightly the knob lower extreme, there is the display on the scale shaft and moves the scale interval, rotate four and compress tightly the knob, so four compress tightly the knob and can down move, drive the threaded shaft and move down, the threaded shaft drives the flange and moves down, the flange is inside the pressure strip, thereby the flange drives the pressure strip and moves down again, until the pressure strip supports the drawing template, fix the drawing template on printing the bottom plate, then rotatory tightening knob, tightening knob and the one end threaded connection of two-way threaded rod, thereby drive two-way threaded rod and rotate, two-way threaded rod both ends again with clamp plate screw-thread fit, the inboard lower extreme of two clamp plates is equipped with a plurality of gyro wheel, therefore two-way threaded rod drive two clamp plates and move dorsad, make the drawing template compress tightly and straighten, thereby make the 3D printer carry out the stable printing. According to the demoulding paper tightening fixing device matched with the bottom plate of the 3D printer, the demoulding paper can be fixed and tightened by rotating the two knobs, and the defects that the demoulding paper is easy to slide, the printing quality is poor and the like are effectively overcome.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a schematic perspective exploded view of the present invention;

FIG. 3 is a perspective view of the scale shaft;

FIG. 4 is a schematic perspective view of a bi-directional threaded rod;

FIG. 5 is a perspective view of the clamping plate;

FIG. 6 is an enlarged view of the T-shaped groove;

FIG. 7 is a perspective view of the hold down knob;

FIG. 8 is a cross-sectional view of the scale shaft engaged with the compression knob;

in the figure: the printer comprises a clamping plate 1, a scale shaft 2, a pressing plate 3, a pressing knob 4, a bidirectional threaded rod 5, a tightening knob 6, a roller 7,T-shaped groove 8, a convex block 9, a threaded hole 10, a threaded shaft 11, a flange 12, a wheel shaft 13, a resisting block 14, a guiding block 15,3D printer 16 and a bottom plate 17.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1 to 7, a drawing of patterns paper that cooperation 3D printer bottom plate used tightens fixing device, including two clamp plates 1, four scale shafts 2, two pressure strips 3, four compress tightly knob 4, two-way threaded rod 5, two tighten knob 6 and a plurality of gyro wheel 7, two clamp plates 1 are the U type structure that transversely sets up for big small structure is the same, four scale shafts 2 are cylindrical structure and all are vertical state and inlay and locate two clamp plates 1, per two scale shaft 2 interval symmetries set up in every clamp plate 1 top, four compress tightly knob 4 are the T type structure of vertical setting, compress tightly knob 4 sets up on scale shaft 2 and one compress tightly knob 4 and correspond one scale shaft 2, two pressure strips 3 all are the bar structure, and two pressure strips 3 set up in the inboard upper end of two clamp plates 1, every pressure strip 3 all is connected with two compress tightly knob 4 that correspond on every clamp plate 1, two-way threaded rod 5 parallel symmetries set up between two clamp plates 1 and every two-way threaded rod 5's both ends all pass two clamp plates 1, two-way threaded rod 6 tighten knob 6 and the same one side of two-way threaded rod 5 sets up in two-way clamp plates 1 inboard end of the same gyro wheel 7. The clamping plate 1 is fixedly connected with the scale shaft 2, the clamping plate 1 is in threaded connection with the bidirectional threaded rod 5, the clamping plate 1 is a main medium of the device, scale values are marked on the scale shaft 2, when the pressing knob 4 moves downwards, the moving distance can be effectively measured, four pressing knobs 4 are enabled to move at equal distances, the pressing plate 3 is set to be in a sheet strip shape, the flange 12 is driven to move downwards through the threaded shaft 11, the flange 12 drives the pressing plate 3 to move downwards, the pressing plate 3 can be effectively enabled to support stripping paper tightly, meanwhile, damage to the stripping paper is reduced, two ends of the bidirectional threaded rod 5 are respectively in threaded connection with the two clamping plates 1, the rotary tightening knob 6 drives the bidirectional threaded rod 5 to rotate, the two clamping plates 1 move backwards, the idler wheels 7 are arranged between the clamping plates 1 and the bottom plate, the stripping paper can be tightened while damage caused by friction force can be effectively reduced.

The top of clamp plate 1 all is equipped with two hole grooves that supply scale shaft 2 to pass, and scale shaft 2 and clamp plate 1 fixed connection, the inboard lower extreme of every clamp plate 1 all is equipped with twice T-slot 8, and the both sides face top of every T-slot 8 is equipped with four lugs 9 that supply to block gyro wheel 7 respectively, and the side of clamp plate 1 not opening one end is equipped with two screw holes 10, two clamp plates 1 and two 5 threaded connection of two-way threaded rod. The T-shaped slot 8 is provided with a plurality of projections 9, which allow the roller 7 to be moved through a fixed axle 13, thereby securing the roller 7 in one position.

The curved surfaces of the four scale shafts 2 are provided with scale values along the vertical direction. Four rotatory knobs 4 that compress tightly through threaded

shaft

11 and 2 threaded connection of scale shaft, compress tightly knob 4 and can move down, and be equipped with the scale interval on the scale shaft 2 and can effectively measure and compress tightly 4 displacement, guarantee that two pinch-off blades 1 keep same horizontal plane.

The first half of four knobs 4 that compress tightly all is equipped with a plurality of arris to four inside tops that compress tightly knob 4 all are equipped with a threaded shaft 11, and threaded shaft 11 passes 2 lower extremes of scale axle and fixes and be equipped with a flange 12, and flange 12 inlays with pressure strip 3 and establishes being connected, threaded

shaft

11 and 2 threaded connection of scale axle. The pressing knob 4 is provided with a plurality of ribs which can increase friction during rotation, the flange 12 is connected with the pressing plate 3 in an embedded mode, and the pressing knob 4 and the flange 12 are connected, rotate and move downwards while ensuring that the pressing plate 3 cannot move downwards without rotating.

And wheel shafts 13 are arranged at two ends of each roller 7, the wheel shafts 13 are attached to the corresponding lugs 9, and the wheel shafts 13 are in rolling connection with the T-shaped grooves 8. The rollers 7 are also moved with the movement of the two clamping plates 1 away from each other, and when the axles 13 engage the corresponding projections 9, they are temporarily fixed in position while preventing the rollers 7 from slipping out of the mouths of the T-shaped grooves 8.

Two abutting blocks 14 are arranged at the inner side thread ends of two ends of the two bidirectional threaded rods 5. The abutting block 14 can effectively prevent the two clamping plates 1 from moving to the unthreaded part.

And two ends of each bidirectional threaded rod 5, which are contacted with the clamping blocks, are respectively provided with a guide-in block 15, and the guide-in blocks 15 are fixedly connected with the clamping plates 1. The arrangement of the guide block 15 can enable the two ends of the thread of the bidirectional threaded rod 5 to effectively rotate into the threaded holes 10 of the clamping plate 1, so that the clamping is avoided.

Two tightening knobs 6 are in threaded connection with two bidirectional threaded rods 5. The tightening knob 6 is convenient to control the rotation of the threaded hole 10.

The working principle is as follows: the demoulding paper is placed on the 3D printing bottom plate, the four pressing knobs 4 are rotated, due to the fact that the threaded shafts 11 at the lower ends of the pressing knobs 4 are in threaded connection with the scale shafts 2, the threaded shafts 11 can move downwards, the scale shafts 2 are provided with display movement scale values, the bottom ends of the threaded shafts 11 are connected with the flanges 12, the flanges 12 are driven to move downwards, the flanges 12 are attached to the inner portions of the pressing plates 3, the pressing plates 3 are driven to move downwards by the flanges 12 until the pressing plates 3 tightly support the demoulding paper on the bottom plate, then the tightening knobs 6 are rotated, the tightening knobs 6 are in threaded connection with one ends of the bidirectional threaded rods 5, the bidirectional threaded rods 5 are driven to rotate, the two ends of the bidirectional threaded rods 5 are in threaded connection with the two clamping plates 1, the lower ends in the grooves of the clamping plates 1 are provided with the rollers 7, and the bidirectional threaded rods 5 drive the two clamping plates 1 to move backwards.

It is to be understood that the above-described embodiments are merely preferred embodiments of the invention and that the technical principles herein may be applied. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. A demoulding paper tightening and fixing device used in cooperation with a base plate of a 3D printer is characterized by comprising two clamping plates (1), four scale shafts (2), two pressing plates (3), four pressing knobs (4), two-way threaded rods (5), two tightening knobs (6) and a plurality of idler wheels (7), wherein the two clamping plates (1) are of U-shaped structures which are identical in size and structure and are transversely arranged, the four scale shafts (2) are of cylindrical structures and are embedded on the two clamping plates (1) in a vertical state, every two scale shafts (2) are symmetrically arranged at the top of each clamping plate (1) at intervals, the four pressing knobs (4) are of T-shaped structures which are vertically arranged, the pressing knobs (4) are arranged on the scale shafts (2) and one pressing knob (4) corresponds to one scale shaft (2), the two pressing plates (3) are of strip-shaped structures, the two pressing plates (3) are arranged at the upper inner sides of the two clamping plates (1), each pressing plate (3) is connected with the two corresponding pressing knobs (4) on each clamping plate (1), the two pressing rods (5) which are parallel, the two-way threaded rods (5) pass through the two-way threaded rods (5), and the two-way threaded rods (5) are arranged between the two-way threaded rods (1), the roller (7) is arranged on the inner side of the clamping plate (1);

the top of each clamping plate (1) is provided with two hole grooves for the scale shaft (2) to pass through, the scale shafts (2) are fixedly connected with the clamping plates (1), the lower end of the inner side of each clamping plate (1) is provided with two T-shaped grooves (8), the top ends of two side surfaces of each T-shaped groove (8) are respectively provided with four convex blocks (9) for clamping the idler wheels (7), the side surface of the non-open end of each clamping plate (1) is provided with two threaded holes (10), and the two clamping plates (1) are in threaded connection with two bidirectional threaded rods (5);

the curved surfaces of the four scale shafts (2) are provided with scale values along the vertical direction.

2. The stripping paper tightening and fixing device used with the base plate of the 3D printer is characterized in that the upper half parts of the four pressing knobs (4) are provided with a plurality of ribs, the top ends of the inner sides of the four pressing knobs (4) are provided with a threaded shaft (11), the threaded shaft (11) penetrates through the lower end of the scale shaft (2) to be fixedly provided with a flange (12), the flange (12) is embedded and connected with the pressing plate (3), and the threaded shaft (11) is in threaded connection with the scale shaft (2).

3. The release paper tightening fixing device used with the base plate of the 3D printer is characterized in that the two ends of each roller (7) are provided with a wheel shaft (13), the wheel shafts (13) are attached to the corresponding bumps (9), and the wheel shafts (13) are in rolling connection with the T-shaped grooves (8).

4. The device for stretching and fixing the release paper used with the bottom plate of the 3D printer according to claim 1, wherein the two bidirectional threaded rods (5) are provided with two abutting blocks (14) at the inner threaded ends of the two ends.

5. The release paper tightening fixing device used with the 3D printer base plate is characterized in that each bidirectional threaded rod (5) is provided with a guide block (15) at two ends contacting with the clamping block, and the guide blocks (15) are fixedly connected with the clamping plate (1).

6. The stripper paper tightening fixture used with 3D printer chassis according to claim 1, characterized by two tightening knobs (6) threaded with two-way threaded rods (5).