CN211307402U

CN211307402U - Base fixing device for 3D printer

Info

Publication number: CN211307402U
Application number: CN201921475211.5U
Authority: CN
Inventors: 金志学
Original assignee: Ningbo Shiruidi Information Technology Co ltd
Current assignee: Ningbo Shiruidi Information Technology Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-08-21
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a base fixing device for a 3D printer, which comprises a base, wherein a cavity is arranged in the base, the cavity is provided with a winding roll, two sides of the winding roll are respectively provided with an inner roller, and the cavity is positioned above the inner roller and is provided with a through hole; the two clamping blocks are arranged on the base in a sliding mode, the connecting lugs are arranged on the back of the clamping blocks, the stop block is arranged on the base, the roller wheel support is arranged on the back of the stop block, the outer roller wheel is arranged on the roller wheel support, the connecting lugs are provided with pull ropes, the two pull ropes pass through the through openings after being turned by the outer roller wheel and the inner roller wheel and are finally wound on the winding roller respectively, and the winding directions of the two pull ropes connected with different connecting lugs on the winding roller are the same; the back of the clamping block is also provided with two slide rods, the slide rods penetrate through the stop blocks, the end parts of the slide rods are provided with anti-falling baffle plates, a reset spring is sleeved on the slide rods and positioned between the clamping block and the stop blocks, and the clamping block and the stop blocks are separated from each other by the reset spring. The utility model discloses have good fixity can, guaranteed printing quality.

Description

Base fixing device for 3D printer

Technical Field

The utility model relates to a base fixing device for 3D printer.

Background

3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic based on a digital model file.

3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

The 3D printer is a tool for printing object models, and along with the development of science and technology, the application field of 3D printer is more and more extensive, prints many in-process at 3D and needs to fix the model of printing, and traditional base is poor to the fixity ability of model, and this can directly influence the effect that 3D printed, and the product quality that makes to print is poor to influence the printing effect of 3D printer.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to among the prior art, provide a base fixing device for 3D printer, have good fixity can fix the model on the base firmly to printing quality has been guaranteed.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: a base fixing device for a 3D printer comprises a base, wherein side plates are arranged on the periphery of the base, and a cover plate is arranged at the top ends of the side plates; a cavity is arranged in the base, a winding roll is arranged in the center of the cavity and is divided into a winding part A and a winding part B in half, inner rollers are arranged on the left side and the right side of the winding roll respectively, and a through opening is formed in the cavity above the inner rollers; the winding device is characterized in that two clamping blocks are arranged on the base in a sliding mode, the positions of the clamping blocks on the base are symmetrically distributed, a connecting lug is arranged in the center of the back of each clamping block, a stop block is arranged on the outer side of each clamping block on the base, an idler wheel support is arranged on the back of each stop block, an outer idler wheel is arranged on each idler wheel support, a pull rope is arranged on each connecting lug, the two pull ropes pass through the through hole after being turned by the outer idler wheel and the inner idler wheel and finally are wound on a winding part A or a winding part B of the winding roll respectively, the winding directions of the two pull ropes connected with different connecting lugs on the winding roll are the same and are both clockwise or counterclockwise, and therefore the two pull ropes can be wound on the; the back of the clamping block is further provided with two sliding rods, the sliding rods penetrate through the stop blocks, anti-falling baffle plates are arranged at the end portions of the sliding rods, return springs are sleeved on the portions, located between the clamping block and the stop blocks, of the sliding rods, and the clamping block and the stop blocks are separated from each other through the return springs.

In the above technical solution, preferably, a mounting plate is fixedly disposed on the back of the stopper, and the mounting plate is provided with a plurality of bolts and is fixedly disposed on the base by using the bolts.

In the above technical scheme, preferably, the through opening side is provided with an inverted T-shaped limiting groove, the bottom of the clamping block is provided with an inverted T-shaped limiting slide block, and the limiting slide block is clamped into the limiting groove and slides in the groove.

In the above technical scheme, preferably, the front surface of the clamping block is provided with a non-slip mat, the non-slip mat is provided with a plurality of non-slip blocks, and the non-slip blocks increase friction force so that the non-slip blocks cannot slip out when clamping printed products.

Among the above-mentioned technical scheme, preferably, the apron centre is provided with the installation notch that is used for installing the printer, installation notch side is provided with the pressure-bearing piece of a plurality of bearing.

In the above technical solution, preferably, the side plate is a transparent plate; the side plates are divided into a front side plate, a rear side plate, a left side plate and a right side plate, the front side plate is provided with an openable door, an air inlet is arranged below the rear side plate, and the air inlet is provided with an air inlet fan; exhaust fans are arranged on the upper parts of the left side plate and the right side plate.

The utility model discloses have good fixity ability, can fix the model on the base firmly to printing quality has been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

As shown in fig. 1 to 2, a base fixing device for a 3D printer includes a base 1, a side plate 3 is disposed around the base 1, and a cover plate 2 is disposed on a top end of the side plate 3; a cavity 11 is arranged in the base, a winding roll 12 is arranged in the center of the cavity 11, the winding roll 12 is divided into a winding part A and a winding part B in half, inner rollers 13 are respectively arranged on the left side and the right side of the winding roll 12, and a through opening 14 is formed in the cavity 11 above the inner rollers 13; the base 1 is provided with two clamping blocks 4 in a sliding manner, the positions of the clamping blocks 4 on the base 1 are symmetrically distributed, a connecting lug 41 is arranged in the center of the back of each clamping block 4, a stop block 5 is arranged on the base 1 and positioned on the outer side of each clamping block 4, a roller bracket 52 is arranged on the back of each stop block 5, an outer roller 53 is arranged on each roller bracket 52, a pull rope 6 is arranged on each connecting lug 41, the two pull ropes 6 penetrate through the through openings after being turned by the outer roller 53 and the inner roller 13 and finally are wound on the winding part A or the winding part B of the winding roll 12 respectively, wherein the winding directions of the two pull ropes 6 connected with different connecting lugs 41 on the winding roll 12 are the same and are both clockwise or counterclockwise, so that the two pull ropes 6 can be wound simultaneously when the winding roll 12 rolls; the back of the clamping block 4 is further provided with two sliding rods 42, the sliding rods 42 penetrate through the stop block 5, an anti-falling baffle 421 is arranged at the end of each sliding rod 42, a return spring 422 is sleeved on the part, located between the clamping block 4 and the stop block 5, of each sliding rod 42, and the clamping block 4 and the stop block 5 are separated from each other through the return springs 422.

The back of the stop block 5 is fixedly provided with an installation plate 54, and the installation plate 54 is provided with a plurality of bolts 541 and is fixedly arranged on the base 1 by the bolts 541.

The side of the through opening 14 is provided with an inverted T-shaped limiting groove 15, the bottom of the clamping block 4 is provided with an inverted T-shaped limiting sliding block 43, and the limiting sliding block 43 is clamped in the limiting groove 15 and slides in the groove.

The front surface of the clamping block 4 is provided with a non-slip pad 44, the non-slip pad 44 is provided with a plurality of non-slip blocks 441, and the non-slip blocks 441 increase friction force so that a printed product cannot slip out when being clamped.

The centre of apron 2 is provided with the installation notch 21 that is used for installing the printer, installation notch 21 side is provided with the pressure-bearing block 22 of a plurality of bearing.

The side plate 3 is a transparent plate; the side plate 3 is divided into a front side plate, a rear side plate, a left side plate and a right side plate, the front side plate is provided with an openable door, an air inlet 32 is arranged below the rear side plate, and the air inlet is provided with an air inlet fan; exhaust fans are arranged on the upper parts of the left side plate and the right side plate.

Under the action of the return spring 422, the two clamping blocks 4 move towards each other, so that the model positioned in the clamping blocks is clamped. In order to protect the model and also to increase the friction and thus the grip, and to improve the fixing effect, a non-slip mat 44 is provided on the clamping block 4, and a non-slip block 441 is provided on the non-slip mat 44.

The device is provided with an adjusting mechanism for adjusting the relative position of the two clamping blocks 4, so that the device can clamp models following various shapes. The adjusting mechanism comprises a pulling rope 6 connected behind two clamping blocks, a winding roller 12 for recovering and winding the two pulling ropes 6, an outer roller 53 and an inner roller 13 which are used for changing the direction of the pulling rope 6. The two ropes 6 are wound around the winding roll 12 in the same direction, but are wound around the winding part a and the winding part B, respectively, so that the ropes 6 can be simultaneously and synchronously wound while the winding roll 12 rolls, and the moving distances of the clamping blocks are the same. But the two pull ropes 6 can not interfere with each other, so that the two pull ropes are wound and knotted into one piece.

The base is also provided with a stop block 5 which is used for bearing the acting force of the return spring 422 and changing the distance between the stop block and the clamping block 4, so that the elastic force of the return spring 422 can be adjusted. Screw holes are arranged on the base, and the stop block 5 is screwed into the screw holes by bolts so as to be tightly installed on the base.

When a product is processed, the cleanness of a working environment needs to be ensured, and dust and impurities are avoided; and the temperature reduction treatment is also needed, so that the overhigh temperature of the product is avoided.

Therefore, the device is provided with one intake fan below and two exhaust fans above. A filter screen needs to be covered outside the fan for filtering the return stroke. Since the hot air rises, the exhaust fan is disposed above, and the hot air can be exhausted in time. The air inlet fan positioned below the air inlet fan after being accommodated replenishes cold air to enter, thereby completing air circulation and reducing the temperature as soon as possible. In addition, the printed model is positioned on the base, so that the air inlet fan is arranged below the printed model and can directly act on the model, and the cooling is accelerated.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a base fixing device for 3D printer which characterized in that: the device comprises a base (1), wherein side plates (3) are arranged on the periphery of the base (1), and a cover plate (2) is arranged at the top ends of the side plates (3); a cavity (11) is formed in the base, a winding roll (12) is arranged in the center of the cavity (11), the winding roll (12) is divided into a winding part A and a winding part B in half, inner rollers (13) are respectively arranged on the left side and the right side of the winding roll (12), and a through opening (14) is formed in the cavity (11) and positioned above the inner rollers (13); the base (1) is provided with two clamping blocks (4) in a sliding manner, the clamping blocks (4) are symmetrically distributed on the base (1), a connecting lug (41) is arranged in the center of the back of each clamping block (4), a stop block (5) is arranged on the base (1) and positioned on the outer side of each clamping block (4), a roller bracket (52) is arranged on the back of each stop block (5), an outer roller (53) is arranged on each roller bracket (52), each connecting lug (41) is provided with a pull rope (6), the pull ropes (6) pass through the turning directions of the outer roller (53) and the inner roller (13) and pass through the through holes, and are finally wound on the winding part A or the winding part B of the winding roller (12) respectively, wherein the two pull ropes (6) connected with different connecting lugs (41) are in the same winding direction on the winding roller (12) and are clockwise or counterclockwise, so that the two pull ropes (6) can be wound simultaneously when the winding roll (12) rolls; the back of the clamping block (4) is further provided with two sliding rods (42), the sliding rods (42) penetrate through the stop blocks (5) and are provided with anti-falling baffle plates (421) at the end portions, part of the sliding rods (42) located between the clamping block (4) and the stop blocks (5) is sleeved with a return spring (422), and the return spring (422) enables the clamping block (4) and the stop blocks (5) to be separated from each other.

2. The base fixing device for the 3D printer according to claim 1, characterized in that: the back of the stop block (5) is fixedly provided with an installation plate (54), the installation plate (54) is provided with a plurality of bolts (541) and is fixedly arranged on the base (1) by utilizing the bolts (541).

3. The base fixing device for the 3D printer according to claim 2, characterized in that: the side of the through opening (14) is provided with an inverted T-shaped limiting groove (15), the bottom of the clamping block (4) is provided with an inverted T-shaped limiting sliding block (43), and the limiting sliding block (43) is clamped into the limiting groove (15) and slides in the groove.

4. The base fixing device for the 3D printer according to claim 3, characterized in that: the front surface of the clamping block (4) is provided with a non-slip pad (44), the non-slip pad (44) is provided with a plurality of non-slip blocks (441), and the non-slip blocks (441) increase friction force so that a printed product cannot slip out when being clamped.

5. The base fixing device for the 3D printer according to claim 4, wherein: the center of the cover plate (2) is provided with an installation notch (21) for installing the printer, and the side edge of the installation notch (21) is provided with a bearing block (22) of a plurality of bearings.

6. The base fixing device for the 3D printer according to claim 4, wherein: the side plate (3) is a transparent plate; the side plate (3) is divided into a front side plate, a rear side plate, a left side plate and a right side plate, the front side plate is provided with an openable door, an air inlet (32) is arranged below the rear side plate, and the air inlet is provided with an air inlet fan; exhaust fans are arranged on the upper parts of the left side plate and the right side plate.