CN218543089U

CN218543089U - 3D prints semi-closed lead screw module with heat dissipation function

Info

Publication number: CN218543089U
Application number: CN202222986227.0U
Authority: CN
Inventors: 濮晶
Original assignee: Tianjin Xinda Technology Co ltd
Current assignee: Tianjin Xinda Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-28
Anticipated expiration: 2032-11-02

Abstract

The application discloses semi-closed lead screw module is printed to 3D with heat dissipation function relates to lead screw module technical field. This application includes the bottom plate, the bottom plate outside is fixed with the motor, the output of motor is fixed with ball screw, be connected for rotating between ball screw and the bottom plate, the bottom plate side is fixed with two gag lever posts that are the symmetry and arrange, ball screw thread connection has the slip table, be sliding connection between slip table and the gag lever post, the bottom plate lower extreme is fixed with the carriage, set up the louvre that a plurality of was arranged in the rectangular array on the bottom plate, the bottom plate lower extreme is provided with heat dissipation mechanism. This application utilizes heat dissipation mechanism to make lead screw module cooling when the lead screw module generates heat for the dust adsorbs on the filter screen, reduces the dust and adheres on the lead screw to the influence that the precision caused, makes lubricating oil paint on the lead screw through pressing the push rod, thereby reduces the heat that the frictional force between the two reduces the friction and produces.

Description

3D prints semi-closed lead screw module with heat dissipation function

Technical Field

The utility model belongs to the technical field of the lead screw module technique and specifically relates to a semi-closed lead screw module is printed to 3D with heat dissipation function is related to.

Background

The 3D printing is that the mode through spraying or extruding molten plastic silk, gesso or resin material etc. makes printing material pile up the stack layer upon layer and form three-dimensional entity through computer control, and at the 3D printing in-process, the motor works according to the instruction that the computer sent for the work of lead screw module, thereby removes the shower nozzle and makes printing material spout through the shower nozzle in the suitable position, realizes 3D printing work.

A3D printing semi-closed lead screw module disclosed in the prior Chinese patent publication (No. CN 216382458U) comprises a bottom frame strip, wherein a supporting seat is arranged at one end inside the bottom frame strip; a ball screw is rotatably connected between one end of the inside of the bottom frame strip and the supporting seat; anti-collision rubber piles are arranged between one end of the inside of the bottom frame strip and the opposite surface of the supporting seat and on the peripheral side surfaces of the two ends of the ball screw; the peripheral side surface of the ball screw is in threaded connection with a sliding table; the bottoms of the two sides of the sliding table are in sliding fit with the edges of the two sides of the bottom frame strip; a cover plate is inserted between the two ends of the bottom frame strip; the cover plate is sleeved with the sliding table. The utility model discloses an utilize the slip table can the constant speed and the equidistance move the principle, realize the task that 3D printed, the modern design, simple structure to the location of precision than higher, can satisfy in the operational environment of difference, simultaneously glue the effect of ram hammer at the anticollision under, remove the collision that produces the slip table and cushion, improved the holistic life of module, reduce the maintenance work of later stage equipment.

However, in the practical application process, when the operation time of the screw rod module is longer or the rotating speed of the screw rod is higher, the heating condition of the screw rod can occur, the screw rod shaft is extended due to the rise of temperature, so that the positioning precision of the module becomes lower, the heating amount needs to be controlled, and the normal operation of the screw rod module is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that the lead screw module operating duration is longer or the rotational speed is higher and generates heat easily and influence the lead screw precision, the utility model provides a semi-closed lead screw module is printed to 3D with heat dissipation function.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a semi-closed lead screw module of 3D printing with heat dissipation function, includes the bottom plate, the bottom plate outside is fixed with the motor, the output of motor is fixed with ball screw, be connected for rotating between ball screw and the bottom plate, the bottom plate side is fixed with two gag lever posts that are the symmetry and arrange, ball screw thread connection has the slip table, be sliding connection between slip table and the gag lever post, the bottom plate lower extreme is fixed with the carriage, set up the louvre that a plurality of was arranged in the rectangular array on the bottom plate, the bottom plate lower extreme is provided with heat dissipation mechanism, heat dissipation mechanism is including fixing the fan at the carriage lower extreme, the mounting groove has been seted up to the carriage side, sliding connection has the filter screen in the mounting groove, the carriage lower extreme is provided with the installation component.

Through adopting the above technical scheme, print the in-process at 3D, need fix shower nozzle and hotbed on the slip table of lead screw, thereby it can remove to make the slip table to make the lead screw rotate, the position according to printing the demand shower nozzle changes and realizes 3D and print, along with the slew velocity of lead screw and the extension of operating duration, the lead screw condition of generating heat easily appears, utilize heat dissipation mechanism to cool down to the lead screw module, do benefit to the normal operating of lead screw module, at the operation in-process of lead screw module, make cold wind blow to the lead screw through the louvre through opening the fan, cool down to the lead screw, the fan adsorbs the dust on the filter screen, it causes the condition emergence of influence to reduce the precision of lead screw module to take place.

Further, the installation component is including fixing two dead levers that are the symmetry and arrange in the bearer frame side, the dead lever tip rotates and is connected with the stopper, the spacing groove that supplies the stopper to pass is seted up to the filter screen tip.

Through adopting above-mentioned technical scheme, in the course of the work of lead screw module, have the dust to fall on bottom plate or lead screw module easily, the fan adsorbs the dust and makes it fall on the filter screen, utilizes the installation component to carry out quick dismantlement installation, promotes the use convenience to the filter screen.

Furthermore, rubber pads are fixed on two sides of the filter screen, and the rubber pads are in contact with the bearing frame.

Through adopting above-mentioned technical scheme, when installing the filter screen in the mounting groove, the rubber strip is contradicted with the mounting groove wall, reduces and rocks appear in the filter screen in the lead screw module working process for the condition that the dust flies upward takes place.

Further, an oil storage box is fixed to the upper end of the bottom plate, a hose is fixed to the lower end of the oil storage box, a nozzle is fixed to the end of the hose, and an extrusion assembly is arranged in the oil storage box.

Through adopting above-mentioned technical scheme, when the operating duration of lead screw module is longer or the rotational speed is higher, utilize the extrusion subassembly to make the lubricating oil in the oil storage box paint on the lead screw, at the removal in-process of slip table, reduce the frictional force between the two to it takes place to reduce the condition that the friction generates heat and influences lead screw module precision.

Furthermore, the extrusion subassembly includes sliding connection at the push rod of oil storage box upper end, the push rod lower extreme is fixed with the scraping wings, the scraping wings side is fixed with sealed the pad.

Through adopting above-mentioned technical scheme, when utilizing extrusion subassembly to paint lubricating oil, make lubricating oil through pressing the scraping wings to make the hose flow direction nozzle, when reducing artifical hand and paint, the inconvenient abluent condition of lubricating oil adhesion on hand takes place.

Further, two fixing blocks which are symmetrically arranged are fixed on the side face of the oil storage box, and arc-shaped elastic pieces are fixed at the upper ends of the fixing blocks.

Through adopting above-mentioned technical scheme, scribble after lubricating oil, press the hose and make it contact with the arc shell fragment, carry out spacing fixed to the hose, promote the use convenience.

Furthermore, anti-collision blocks are fixed on two sides of the bottom plate and are arranged in a strip shape.

Through adopting above-mentioned technical scheme, when the slip table removed to contact with the bottom plate both sides, the slip table contacted with the anticollision piece, cushioned the slip table, reduced the damage that the slip table caused after receiving the collision, increase of service life.

In summary, the present application includes at least one of the following benefits:

1. this application, when lead screw module operating duration is longer or the rotational speed is higher, open the fan and utilize cold wind to carry out cooling to the lead screw module, the lead screw module normal operating of being convenient for the dust adsorbs on the filter screen, reduces the influence that the dust adhesion caused the precision on the lead screw.

2. This application, when the condition that generates heat appears in the lead screw module, extrudees lubricating oil through pressing the push rod for lubricating oil is paintd on the lead screw, reduces the frictional force between lead screw and the slip table, promotes and uses the convenience, and the inconvenient abluent condition of hand adhesion lubricating oil takes place when reducing the manual work and paining.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of a middle bottom plate of the present invention;

fig. 2 is a schematic view of a second three-dimensional structure of the middle bottom plate of the present invention;

fig. 3 is an enlarged schematic view of fig. 1 at a in the present invention;

FIG. 4 is a cross-sectional view of a mounting assembly of the present invention;

fig. 5 is an enlarged schematic view of fig. 1 at B in the present invention;

fig. 6 is a sectional view of the oil reservoir of the present invention.

Description of reference numerals:

1. a base plate; 2. a motor; 3. a ball screw; 4. a limiting rod; 5. a sliding table; 6. a bearing frame; 7. heat dissipation holes; 8. a heat dissipation mechanism; 10. an anti-collision block; 81. a fan; 82. mounting grooves; 83. a filter screen; 84. mounting the component; 841. fixing the rod; 842. a limiting block; 843. a limiting groove; 85. a rubber pad; 91. an oil storage box; 92. a hose; 93. a nozzle; 94. an extrusion assembly; 941. a push rod; 942. a material pushing plate; 943. a gasket; 95. a fixed block; 96. an arc-shaped elastic sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses semi-closed lead screw module is printed to 3D with heat dissipation function.

Referring to fig. 1 to 3, a 3D prints semi-closed lead screw module with heat dissipation function, comprising a

base plate

1, 1 outside of bottom plate is fixed with motor 2, motor 2's output is fixed with ball 3, be connected for rotating between ball 3 and the

bottom plate

1, 1 side of bottom plate is fixed with two gag lever post 4 that are the symmetry and arrange, 3 threaded connection of ball has slip table 5, be sliding connection between slip table 5 and the

gag lever post

4, 1 lower extreme of bottom plate is fixed with carriage 6, set up the louvre 7 that a plurality of was arranged for rectangular array on the bottom plate 1, louvre 7 runs through

carriage

6, 1 lower extreme of bottom plate is provided with heat dissipation mechanism 8, heat dissipation mechanism 8 is including fixing fan 81 in carriage 6 upper end, the air intake has been seted up to carriage 6 side, fan 81 is located inside carriage 6, mounting groove 82 has been seted up to carriage 6 side, sliding connection has filter screen 83 in mounting groove 82, carriage 6 lower extreme is provided with installation component 84. When carrying out 3D and printing, fix shower nozzle and hot bed on slip table 5, motor 2 rotates after receiving the instruction that the control panel sent, thereby make the lead screw rotate, make slip table 5 remove on the lead screw, thereby make the position change of shower nozzle, hot bed heats the material, thereby the shower nozzle is extruded the consumptive material silk and is realized 3D and print, the condition that generates heat can appear when lead screw module operating duration is longer or the rotational speed is higher, when utilizing heat dissipation mechanism 8 to cool off the lead screw module, it makes its work to open fan 81, cold wind that fan 81 blew off blows to the lead screw through louvre 7, thereby make lead screw cooling, in the course of work at the lead screw module, it falls on bottom plate 1 or lead screw easily to have the dust, fan 81 during operation makes the dust adsorb on filter screen 83, reduce the influence that the dust caused the operation of lead screw module.

Referring to fig. 3 and 4, the mounting assembly 84 includes two fixing rods 841 symmetrically arranged and fixed on the side of the bottom plate 1, the end portions of the fixing rods 841 are rotatably connected with limiting blocks 842, and the end portions of the filter screen 83 are provided with limiting grooves 843 for the limiting blocks 842 to pass through. When the filter screen 83 needs to be replaced or cleaned, the limiting block 842 is rotated to be parallel to the limiting groove 843, the filter screen 83 is moved to enable the limiting block 842 to penetrate through the limiting groove 843, so that the filter screen 83 is rapidly detached, replacement and cleaning of the filter screen are facilitated, and convenience in use is improved.

Referring to fig. 2, rubber pads 85 are fixed on both sides of the filter screen 83, and the rubber pads 85 contact with the bearing frame 6. When installing filter screen 83, remove filter screen 83 and make it get into in mounting groove 82, the rubber strip is contradicted with mounting groove 82 wall mutually, make the two laminating inseparable, reduce the lead screw module course of operation, filter screen 83 appears rocking the condition that makes the dust fly upward and takes place, make stopper 842 pass spacing groove 843, when removing filter screen 83 and contacting to its tip and bearer frame 6 side, rotate stopper 842 and make its inboard and bottom plate 1 side contact, realize the quick installation to filter screen 83.

Referring to fig. 1 and 5, a reservoir box 91 is fixed to the upper end of the base plate 1, a hose 92 is fixed to the lower end of the reservoir box 91, a nozzle 93 is fixed to the end of the hose 92, and a squeeze assembly 94 is disposed in the reservoir box 91. When the condition that generates heat appears in the lead screw module, put down hose 92 and make nozzle 93 be located the lead screw top, make lubricating oil through pressing push rod 941 make the blowout of hose 92, at the removal in-process of slip table 5 for lubricating oil paints on the lead screw, reduces the frictional force between lead screw and the slip table 5, thereby reduces the condition that the friction generates heat and takes place, the operation of the lead screw module of being convenient for.

Referring to fig. 6, the pressing assembly 94 includes a push rod 941 slidably connected to an upper end of the oil storage box 91, a material pushing plate 942 is fixed to a lower end of the push rod 941, and a gasket 943 is fixed to a side surface of the material pushing plate 942. When lubricating oil is smeared to needs, handheld push rod 941 pushes down for scraping wings 942 extrudees lubricating oil, thereby makes lubricating oil flow from nozzle 93 through hose 92, when reducing artifical hand and scribbling, the abluent condition of being not convenient for of hand adhesion lubricating oil takes place, promotes the use convenience.

Referring to fig. 5, two fixing blocks 95 symmetrically arranged are fixed to the side of the oil storage box 91, and an arc-shaped elastic sheet 96 is fixed to the upper end of each fixing block 95. After lubricating oil is smeared and is accomplished, press the hose 92 and make hose 92 and arc shell fragment 96 contact, carry out spacing fixed to hose 92, reduce the condition emergence that hose 92 scatters and causes the influence to slip table 5 removal.

Referring to fig. 5, the two sides of the bottom plate 1 are both fixed with anti-collision blocks 10, and the anti-collision blocks 10 are arranged in a strip shape. Anticollision piece 10's material is rubber, drives the in-process that the shower nozzle removed at slip table 5, when slip table 5 removed to contact with 1 both sides of bottom plate, causes the shower nozzle to rock easily because of the collision and causes the influence to printing the effect, utilizes anticollision piece 10 to cushion slip table 5's collision, reduces slip table 5 and receives the damage that the collision caused to reduce the range that the shower nozzle rocked, promote and print the precision.

The working principle is as follows: when utilizing lead screw module to remove the shower nozzle and carrying out 3D and printing, fix shower nozzle etc. on slip table 5, open motor 2 and make the lead screw rotate, make slip table 5 remove, thereby make the shower nozzle remove and carry out 3D and print, when lead screw module operating duration is longer or the rotational speed is higher, open fan 81, cold wind that fan 81 blew out blows to the lead screw through louvre 7, thereby make lead screw cooling, fan 81 during operation makes the dust that falls on bottom plate 1 or lead screw adsorb on filter screen 83, when needs change or clear up filter screen 83, it makes it parallel with spacing groove 843 to rotate stopper 842, it makes stopper 842 pass spacing groove 843 to remove filter screen 83, thereby realize the quick dismantlement of filter screen 83, be convenient for change the clearance to it, when the circumstances that generates heat appears in the lead screw module, put down hose 92 and make nozzle 93 be located the lead screw top, make scraping wings 942 extrude lubricating oil through pressing push rod 941, lubricating oil is spout through nozzle 93, in the removal process of 5, make lubricating oil paint on the slip table, reduce the frictional force between lead screw and the slip table 5, thereby reduce the circumstances that the friction generates heat, promote the manual work and clean up the circumstances, it is inconvenient to carry out when the manual work.

Claims

1. The utility model provides a semi-closed lead screw module of 3D printing with heat dissipation function, includes bottom plate (1), bottom plate (1) outside is fixed with motor (2), the output of motor (2) is fixed with ball screw (3), be connected for rotating between ball screw (3) and bottom plate (1), bottom plate (1) side is fixed with two gag lever post (4) that are the symmetry and arrange, ball screw (3) external screw thread connection has slip table (5), be sliding connection between slip table (5) and gag lever post (4), its characterized in that: the improved bearing frame is characterized in that a bearing frame (6) is fixed to the lower end of the base plate (1), a plurality of heat dissipation holes (7) which are arranged in a rectangular array are formed in the base plate (1), a heat dissipation mechanism (8) is arranged at the lower end of the base plate (1), the heat dissipation mechanism (8) comprises a fan (81) fixed to the lower end of the bearing frame (6), a mounting groove (82) is formed in the side face of the bearing frame (6), a filter screen (83) is connected to the mounting groove (82) in a sliding mode, and a mounting assembly (84) is arranged at the lower end of the bearing frame (6).

2. The 3D printing semi-closed lead screw module with the heat dissipation function as claimed in claim 1, wherein: installation component (84) are the dead lever (841) of symmetrical arrangement including fixing two of bearing frame (6) side, dead lever (841) tip rotates and is connected with stopper (842), spacing groove (843) that confession stopper (842) passed are seted up to filter screen (83) tip.

3. The 3D printing semi-closed lead screw module with the heat dissipation function as claimed in claim 2, wherein: rubber pads (85) are fixed on two sides of the filter screen (83), and the rubber pads (85) are in contact with the bearing frame (6).

4. The 3D printing semi-closed lead screw module with the heat dissipation function as claimed in claim 1, wherein: bottom plate (1) upper end is fixed with oil storage box (91), oil storage box (91) lower extreme is fixed with hose (92), hose (92) end fixing has nozzle (93), be provided with extrusion subassembly (94) in oil storage box (91).

5. The 3D printing semi-closed screw rod module with the heat dissipation function as claimed in claim 4, wherein: the extrusion subassembly (94) includes push rod (941) of sliding connection in oil storage box (91) upper end, push rod (941) lower extreme is fixed with scraping wings (942), scraping wings (942) side is fixed with sealed the pad (943).

6. The 3D printing semi-closed lead screw module with the heat dissipation function as claimed in claim 5, wherein: the oil storage box (91) side is fixed with two fixed blocks (95) that are the symmetry and arrange, fixed block (95) upper end is fixed with arc shell fragment (96).

7. The 3D printing semi-closed screw rod module with the heat dissipation function as claimed in claim 1, wherein: the anti-collision device is characterized in that anti-collision blocks (10) are fixed on two sides of the bottom plate (1), and the anti-collision blocks (10) are arranged in a strip shape.