CN217346746U

CN217346746U - A collet for 3D printer

Info

Publication number: CN217346746U
Application number: CN202220956798.7U
Authority: CN
Inventors: 宋俊峰
Original assignee: Hebei Pingdan Technology Co ltd
Current assignee: Hebei Pingdan Technology Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-02
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to a 3D printer technical field especially relates to a collet for 3D printer. Comprises a frame body and a sliding device arranged on the frame body; the frame body consists of two outer frames which are vertically arranged and fixedly connected; the sliding devices are provided with three groups; the sliding device is provided with a clamping device; a bottom support is arranged on the clamping device; the sliding device comprises a motor, a screw rod, a sliding block and a mounting plate; the screw rod rotating shaft is connected to the frame body; the sliding rod can assist the sliding of the mounting plate, so that the printer is more stable in working, the three groups of sliding devices can realize the sliding of the front and back, the left and right and the up and down, the three-dimensional object can be printed more easily, and the phenomenon of blocking is prevented; the collet is clamped by the clamping device, the collet is guaranteed to be taken out of the printer easily, the three-dimensional object is taken out of the collet, damage to the three-dimensional object is reduced, and quality is improved.

Description

A collet for 3D printer

Technical Field

The utility model relates to a 3D printer technical field especially relates to a collet for 3D printer.

Background

The 3D printer, also called three-dimensional printer, is a machine that is an additive manufacturing technique, i.e. a rapid prototyping technique, which is based on a digital model file, and uses a special adhesive material, such as wax, powdered metal or plastic, to manufacture a three-dimensional object by printing a layer of adhesive material. But the collet majority of present printer is fixed on the slider, is difficult for taking out easily, and the three-dimensional object of printing out all adheres on the collet, so just easily cause the damage of three-dimensional object when taking out.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the technical defects, and the utility model provides a collet for a 3D printer, which adopts a slide bar to assist the sliding of a mounting plate, ensures that the printer is more stable during operation, ensures the sliding of the three-dimensional objects in the front-back, left-right and up-down directions by three groups of sliding devices, ensures that the three-dimensional objects are more easily printed, and prevents the blocking phenomenon; the collet is clamped by the clamping device, the collet is guaranteed to be taken out of the printer easily, the three-dimensional object is taken out of the collet, damage to the three-dimensional object is reduced, and quality is improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a frame body and a sliding device arranged on the frame body; the frame body consists of two outer frames which are vertically arranged and fixedly connected; the sliding devices are provided with three groups; the sliding device is provided with a clamping device; a bottom support is arranged on the clamping device; the sliding device comprises a motor, a screw rod, a sliding block and a mounting plate; the screw rod rotating shaft is connected to the frame body; the motor is fixedly arranged on the frame body, and the shaft end is connected with one end of the screw rod through a coupler; the sliding block is in threaded connection with the screw rod; the mounting plate is fixed on the sliding block; the clamping device comprises a round sleeve, a clamping block and a rotating ring; the round sleeve is fixedly connected to the mounting plate; the clamping block penetrates through the round sleeve and then is in sliding fit with the round sleeve; the rotary ring is rotatably matched on the round sleeve; the clamping block is in sliding clamping connection with the rotating ring.

Further optimizing the technical scheme, the three groups of sliding devices have the same structure; the first group of sliding devices are arranged on the bottom outer frame, the second group of sliding devices are arranged on the vertical outer frame, and the third group of sliding devices are arranged on the sliding blocks of the second group of sliding devices.

Further optimize this technical scheme, the swivel is provided with two sets ofly on the circle cover symmetry, and is located the fixture block both sides from top to bottom.

Further optimizing the technical scheme, slide bars are arranged on two sides of the screw rod; the sliding rod is provided with a moving block in a sliding manner; the moving block is fixed on the mounting plate.

Further optimizing the technical scheme, the outer ring of the swivel is provided with a limiting plate; the limiting plate is provided with a chute; a fixed shaft is arranged on the clamping block; the fixed shaft is arranged in the chute and moves along the trajectory of the chute.

Further optimizing the technical scheme, the chute and the clamping block are arranged in an acute angle; two groups of limiting plates are symmetrically arranged on the rotating ring.

According to the technical scheme, the rotating part is arranged on the upper rotating shaft of the limiting plate; a screw is arranged on the rotating piece; the screw rod is in threaded connection with the rotating piece.

Further optimizing the technical scheme, at least four fixture blocks are arranged; the symmetrically arranged clamping blocks are respectively clamped on the vertically arranged rotating rings in a sliding manner; and four clamping blocks clamp the bottom support.

Further optimizing the technical scheme, the threads on the screw are two symmetrical groups and are arranged in the reverse direction; the two rotating pieces are respectively engaged with the two groups of threads.

Compared with the prior art, the utility model has the advantages of it is following: 1. the structure is beneficial to ensuring that the mounting plate is more stable when sliding and the printed object has better quality by the sliding of the moving block on the sliding rod in cooperation with the sliding of the sliding block; 2. the telescopic of the clamping block is controlled by the rotation of the rotating ring, so that the structure is favorable for ensuring that the bottom support can be clamped into the clamping block and is convenient to take out; 3. the two groups of clamping blocks are respectively controlled by the two rotating rings, so that the structure is favorable for ensuring that the bottom support cannot be loosened after being clamped; 4. the screw rod controls the two rotating rings to move, the structure is favorable for ensuring that the rotating rings are convenient to adjust, and the clamping of the clamping block cannot be easily separated after the bottom support is clamped.

Drawings

Fig. 1 is a schematic diagram of a general structure of a base for a 3D printer.

Fig. 2 is a schematic view of a shoe sliding device for a 3D printer.

Fig. 3 is an exploded view of a collet clamping device and a mounting plate for a 3D printer.

Fig. 4 is a schematic view of a shoe clamping device for a 3D printer.

Fig. 5 is an exploded view of a collet holder for a 3D printer.

Fig. 6 is a schematic view of a portion of a shoe swivel for a 3D printer.

In the figure: 1. a frame body; 2. a sliding device; 3. a clamping device; 4. a motor; 5. a screw rod; 6. a slider; 7. mounting a plate; 8. a bottom support; 9. a round sleeve; 10. a clamping block; 11. rotating the ring; 12. a slide bar; 13. a moving block; 14. a limiting plate; 15. a chute; 16. a fixed shaft; 17. a rotating member; 18. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 6, the present application discloses a collet 8 for a 3D printer, comprising a frame body 1 and a sliding device 2 disposed on the frame body 1; the frame body 1 consists of two outer frames which are vertically arranged and fixedly connected; three groups of sliding devices 2 are arranged; the sliding device 2 is provided with a clamping device 3; the clamping device 3 is provided with a bottom support 8; the sliding device 2 comprises a motor 4, a screw rod 5, a sliding block 6 and a mounting plate 7; the screw rod 5 is connected to the frame body 1 in a rotating mode; the motor 4 is fixedly arranged on the frame body 1, and the shaft end is connected with one end of the screw rod 5 through a coupler; the sliding block 6 is in threaded connection with the screw rod 5; the mounting plate 7 is fixed on the sliding block 6; the clamping device 3 comprises a round sleeve 9, a clamping block 10 and a rotating ring 11; the round sleeve 9 is fixedly connected to the mounting plate 7; the fixture block 10 penetrates through the round sleeve 9 and then is in sliding fit with the round sleeve 9; the rotating ring 11 is matched with the round sleeve 9 in a rotating way; the fixture block 10 is in sliding clamping connection with the rotating ring 11. The vertically arranged outer frame is used for assisting the spray head to move up and down and left and right, so that the spray head can work conveniently, and the outer frame at the bottom is used for moving back and forth and dragging a three-dimensional object; the three groups of sliding devices 2 respectively control the up-down direction, the front-back direction and the left-right direction, and are respectively driven by the motor 4, so that the problem of jamming can be prevented; the screw rod 5 can control the sliding distance of the sliding block 6, and plays roles in moving and limiting; the mounting plate 7 is used for mounting the sliding device 2, the spray head and the clamping device 3; the bottom support 8 is used for dragging the printed three-dimensional object, so that the printed three-dimensional object can be conveniently taken out; swivel 11 rotates on the round cover 9 and is used for controlling the removal of fixture block 10 to the collet 8 is lived in the centre gripping, guarantees the stability of collet 8, can play the convenience simultaneously and take out.

As a further improvement, three sets of the sliding devices 2 are identical in structure; the first set of said sliding devices 2 is mounted on the bottom outer frame, the second set of said sliding devices 2 is mounted on the vertical outer frame, and the third set of sliding devices 2 is mounted on the sliding blocks 6 of the second set of sliding devices 2. The first group of sliding devices 2 are used for adjusting the front and back movement of the bottom support 8, the second group of sliding devices 2 are used for adjusting the left and right movement of the spray head, the third group of sliding devices 2 are used for adjusting the up and down movement of the spray head, the power units in three directions separated from each other are realized, and the difficulty in blocking the equipment is ensured.

As a further improvement, two groups of the rotating rings 11 are symmetrically arranged on the round sleeve 9 and are positioned on the upper side and the lower side of the fixture block 10. The two round sleeves 9 can be conveniently clamped, and the four clamping blocks 10 can be controlled to move outwards and inwards at the same time.

As a further improvement, two sides of the screw rod 5 are provided with slide bars 12; a moving block 13 is arranged on the sliding rod 12 in a sliding manner; the moving block 13 is fixed on the mounting plate 7. The moving block 13 slides on the sliding rod 12, so as to assist the movement of the mounting plate 7, ensure that the moving is more stable, and the quality of the three-dimensional object is higher.

As a further improvement, a limit plate 14 is arranged on the outer ring of the rotating ring 11; the limiting plate 14 is provided with a chute 15; a fixed shaft 16 is arranged on the fixture block 10; the fixed shaft 16 is disposed in the chute 15 and moves along the trajectory of the chute 15. The chute 15 can ensure that the fixed shaft 16 moves along the track, so that the fixture block 10 can stretch and retract, and the bottom support 8 can be conveniently clamped.

As a further improvement, the inclined groove 15 and the fixture block 10 are arranged at an acute angle; two groups of limit plates 14 are symmetrically arranged on the rotating ring 11. The two limiting plates 14 are used for simultaneously controlling the two fixture blocks 10, so that the moving direction and the moving position of the fixture blocks 10 are the same, and the bottom support 8 can be clamped at the central part; since the latch 10 is linearly moved, the acute angle between the inclined groove 15 and the latch 10 can ensure that the latch 10 is linearly moved when the swivel 11 is rotated.

As a further improvement, the limiting plate 14 is provided with a rotating member 17 on the rotating shaft; the rotating piece 17 is provided with a screw 18; the threaded rod 18 is in threaded connection with the rotary member 17. The movement of the rotary member 17 can be controlled by the rotation of the screw 18 on the rotary member 17, so as to control the rotation of the rotary ring 11, and then the fixture block 10 is driven to complete the clamping.

As a further improvement, at least four of the clamping blocks 10 are provided; the symmetrically arranged clamping blocks 10 are respectively clamped on the vertically arranged rotating rings 11 in a sliding manner; the four fixture blocks 10 clamp the bottom support 8. The four clamping blocks 10 can ensure that all four directions of the bottom support 8 are propped against, so that the bottom support 8 is prevented from deviating; four clamping blocks 10 are respectively driven by the two rotary rings 11, so that the collet 8 can be clamped at the central part.

As a further improvement, the threads on the screw 18 are symmetrically arranged in two groups and are arranged in opposite directions; the two rotary members 17 are engaged with two sets of threads, respectively. The screw 18 is reversely provided with threads, so that the distance between the two fixture blocks 10 can be shortened or shortened when the screw 18 is rotated in the same direction, and the control is convenient.

When the device is used, as shown in fig. 1 to 6, firstly, the three motors 4 are connected to the PLC, then, the setting of a printed object is completed on the PLC, the motors 4 are started to drive the screw rods 5 to rotate, and the sliding blocks 6 move on the screw rods 5 to drive the mounting plates 7 to move; the mounting plate 7 moves with the assistance of the moving block 13, and the moving block 13 slides on the sliding rod 12, so that the mounting plate is more stable in moving; then the three groups of sliding devices 2 move in sequence, the third group of sliding devices 2 drive the second group of sliding devices 2 to move, and the second group of sliding devices 2 drive the spray head to lift, so that left-right and up-down printing can be realized; then the first group of sliding devices 2 drives the bottom support 8 to move, so that front and back printing can be realized, and the movement in the front and back direction, the left and right direction and the up and down direction is finished, so that the printing of the three-dimensional object is realized; after printing is finished, the three-dimensional object is on the bottom support 8, and then the bottom support 8 needs to be taken down, so that the three-dimensional object can be taken out conveniently; firstly, the screw 18 is rotated, the two rotating pieces 17 are driven to move outwards towards two sides due to the reverse threads, the rotating pieces 17 drive the rotating rings 11 to rotate on the round sleeve 9, and the rotating directions of the two rotating rings 11 are opposite; however, the inclined grooves 15 on the two rotary rings 11 are respectively symmetrical, so that when the two rotary rings 11 rotate oppositely, the four fixture blocks 10 which can be driven are moved outwards or in the box simultaneously, and the fixture blocks 10 are clamped on the round sleeves 9, so that only telescopic movement can be realized, when the inclined grooves 15 and the fixture blocks 10 form an acute angle, the fixed shafts 16 on the fixture blocks 10 can be driven to move by the rotation of the inclined grooves 15, and the fixture blocks 10 can be stretched; when the fixture block 10 is separated from the bottom support 8, the bottom support 8 can be taken out; when the bottom support 8 is installed, the screw rod 18 is rotated reversely, the clamping block 10 is driven to move reversely, the bottom support 8 is clamped, the three-dimensional object can be conveniently taken down, and damage is reduced when the three-dimensional object is shoveled.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a collet for 3D printer which characterized in that: comprises a frame body (1) and a sliding device (2) arranged on the frame body (1);

the frame body (1) consists of two outer frames which are vertically arranged and fixedly connected;

the sliding devices (2) are provided with three groups; the sliding device (2) is provided with a clamping device (3);

a bottom support (8) is arranged on the clamping device (3);

the sliding device (2) comprises a motor (4), a screw rod (5), a sliding block (6) and a mounting plate (7); the screw rod (5) is connected to the frame body (1) in a rotating way; the motor (4) is fixedly arranged on the frame body (1), and the shaft end is connected with one end of the screw rod (5) through a coupler; the sliding block (6) is in threaded connection with the screw rod (5); the mounting plate (7) is fixed on the sliding block (6);

the clamping device (3) comprises a round sleeve (9), a clamping block (10) and a rotating ring (11); the round sleeve (9) is fixedly connected to the mounting plate (7); the clamping block (10) penetrates through the round sleeve (9) and then is matched with the round sleeve (9) in a sliding manner; the rotating ring (11) is rotatably matched on the round sleeve (9); the clamping block (10) is in sliding clamping connection with the rotating ring (11).

2. A shoe for a 3D printer according to claim 1, characterised in that: the three groups of sliding devices (2) have the same structure; the first group of sliding devices (2) are arranged on the bottom outer frame, the second group of sliding devices (2) are arranged on the vertical outer frame, and the third group of sliding devices (2) are arranged on the sliding blocks (6) of the second group of sliding devices (2).

3. A shoe for a 3D printer according to claim 1, wherein: two groups of rotating rings (11) are symmetrically arranged on the round sleeve (9) and are positioned on the upper side and the lower side of the clamping block (10).

4. A shoe for a 3D printer according to claim 1, wherein: slide bars (12) are arranged on two sides of the screw rod (5); a moving block (13) is arranged on the sliding rod (12) in a sliding manner; the moving block (13) is fixed on the mounting plate (7).

5. A shoe for a 3D printer according to claim 3, wherein: a limiting plate (14) is arranged on the outer ring of the rotating ring (11); the limiting plate (14) is provided with a chute (15); a fixed shaft (16) is arranged on the fixture block (10); the fixed shaft (16) is arranged in the chute (15) and moves along the track of the chute (15).

6. A shoe for a 3D printer according to claim 5, wherein: the inclined groove (15) and the fixture block (10) are arranged at an acute angle; two groups of limiting plates (14) are symmetrically arranged on the rotating ring (11).

7. A shoe for a 3D printer according to claim 5, wherein: a rotating piece (17) is arranged on the upper rotating shaft of the limiting plate (14); a screw (18) is arranged on the rotating piece (17); the screw (18) is in threaded connection with the rotating piece (17).

8. A shoe for a 3D printer according to claim 3, wherein: the number of the fixture blocks (10) is at least four; the symmetrically arranged clamping blocks (10) are respectively clamped on the vertically arranged rotating rings (11) in a sliding manner; and the four clamping blocks (10) clamp the bottom support (8).

9. A shoe for a 3D printer according to claim 7, wherein: the threads on the screw rods (18) are two symmetrical groups and are arranged in the opposite direction; the two rotating members (17) are respectively engaged with the two sets of threads.