CN218658646U

CN218658646U - 3D prints anchor clamps

Info

Publication number: CN218658646U
Application number: CN202223222225.0U
Authority: CN
Inventors: 张硕; 郭小艳; 胡勇
Original assignee: Shaanxi Tianhang Jintai Technology Co ltd
Current assignee: Shaanxi Tianhang Jintai Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-21
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the field of clamps, and discloses a 3D printing clamp, which comprises a body structure and a main body structure, wherein the top end of the working table is symmetrically provided with two connecting seats, the top end of the working table is provided with a horizontal chute, each connecting seat is slidably connected on the working table through a chute clamp, and the working table is also provided with a driving mechanism for driving the two connecting seats to slide in opposite directions along the chutes simultaneously; the clamping structure comprises a wide rubber strip connected to one of the cross rods, a through groove is formed in the middle of the wide rubber strip in a penetrating mode, and a narrow rubber strip capable of penetrating through the through groove is connected to the other cross rod. The utility model discloses anchor clamps comprise a wide rubber strip and a narrow rubber strip, and logical groove is seted up at the middle part of wide rubber strip and is used for passing narrow rubber strip, and the space that forms between the two is used for the centre gripping work piece, and this big or small accessible actuating mechanism who forms the space changes the distance between the two and changes, and the anchor clamps of this kind of structure are elastic, can be suitable for various special-shaped workpiece.

Description

3D prints anchor clamps

Technical Field

The utility model belongs to the anchor clamps field specifically is a 3D prints anchor clamps.

Background

The existing 3D printing process needs to clamp a workpiece to ensure the printing precision.

Generally used clamp can not stably clamp a special-shaped part, and a gap exists between the clamp and a workpiece, so that the clamp is not clamped tightly to influence printing.

The fixture for 3D printing is provided in Chinese patent with publication No. CN216859494U, which can be understood as symmetrically arranging fixtures at the left and right sides, wherein the fixture at each side comprises an inner fixture and an outer fixture, the model of the inner fixture is smaller for preliminarily fixing a special-shaped part, and the outer fixture can adjust the distance to clamp the whole workpiece.

However, in the actual process, the specification and the shape of the workpiece which is subjected to 3D printing each time cannot be fixed, and the fixture with the fixed shape cannot be applied necessarily.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: the specification and the shape of a 3D printing workpiece are irregular, and an existing clamp has a certain specification and shape and cannot be applied.

The technical scheme is as follows: the utility model provides a 3D prints anchor clamps, including body structure and clamping structure: the body structure comprises a workbench, two connecting seats are symmetrically arranged at the top end of the workbench, a horizontal sliding groove is formed in the top end of the workbench, each connecting seat is clamped and slidably connected to the workbench through the sliding groove, and a driving mechanism for driving the two connecting seats to slide in opposite directions along the sliding grooves simultaneously is further arranged on the workbench; the clamping structure comprises a wide rubber strip connected to one of the cross rods, a through groove is formed in the middle of the wide rubber strip in a penetrating mode, and a narrow rubber strip capable of penetrating through the through groove is connected to the other cross rod.

Furthermore, the driving mechanism comprises mounting frames symmetrically connected to two sides of the workbench, the inner side of each mounting frame is connected with a bearing, and a bidirectional screw rod penetrating through the sliding groove is connected between the two bearings in a matching manner; the bottom end of each connecting seat is connected with a sliding block which is positioned in the sliding chute and is in threaded penetration connection with the bidirectional screw rod, and the two sliding blocks are opposite to the direction of the threaded penetration of the bidirectional screw rod; a motor is installed on one of the installation frames, and gears which are meshed with each other are fixedly sleeved on the output shaft of the motor and the outer peripheral sides of the two-way screw rods.

Furthermore, the outer ring of each bearing is fixed with the corresponding mounting frame, and the inner ring of each bearing is in interference fit with the bidirectional screw rod.

Further, the width at its top is less than the width at its bottom on the spout, and every slider all is this spout looks adaptation.

Further, a bearing seat is installed in the middle of the inside of the sliding groove and in interference fit with the bidirectional screw rod.

Further, the both ends of wide rubber strip and narrow rubber strip all run through and offer the through-hole that is used for passing the horizontal pole that corresponds, and every horizontal pole is the threaded rod, and on every horizontal pole the position of connecting every end of corresponding rubber strip all the cooperation be connected with two nuts.

The technical effects are as follows:

the utility model discloses in, anchor clamps comprise a wide rubber strip and a narrow rubber strip, and logical groove is seted up at the middle part of wide rubber strip and is used for passing narrow rubber strip, and the space that forms between the two is used for the centre gripping work piece, and this big or small accessible actuating mechanism who forms the space changes the distance between the two and changes, compares current rigid clamp, and the anchor clamps of this kind of structure are elastic, can be suitable for various special-shaped workpiece, have substantive characteristics and progress.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the through hole structure of the present invention;

in the figure:

1. a work table; 2. a connecting seat; 3. a cross bar; 4. a wide rubber strip; 5. a through groove; 6. a narrow rubber strip; 7. a chute; 8. a drive mechanism; 801. a mounting frame; 802. a bearing; 803. a bidirectional screw rod; 804. a slider; 805. a motor; 806. a gear; 9. a bearing seat; 10. a through hole; 11. and a nut.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The 3D printing fixture provided by the present embodiment, as shown in fig. 1 and fig. 2, includes a body structure and a clamping structure, wherein:

the body structure comprises a workbench 1, wherein two connecting seats 2 are symmetrically arranged at the top end of the workbench 1, a horizontal sliding groove 7 is formed in the top end of the workbench 1, each connecting seat 2 is connected to the workbench 1 in a sliding mode through the sliding groove 7 in a clamping mode, a driving mechanism 8 for driving the two connecting seats 2 to slide in opposite directions along the sliding groove 7 simultaneously is further arranged on the workbench 1, as shown in fig. 3, each driving mechanism 8 comprises mounting frames 801 symmetrically connected to the two sides of the workbench 1, bearings 802 are connected to the inner side of each mounting frame 801, and two-way screw rods 803 penetrating through the sliding grooves 7 are connected between the two bearings 802 in a matching mode; meanwhile, the bottom end of each connecting seat 2 is connected with a sliding block 804 which is positioned in the sliding groove 7 and is in threaded penetrating connection with the bidirectional screw rod 803, and the threaded penetrating directions of the two sliding blocks 804 and the bidirectional screw rod 803 are opposite; in addition, a motor 805 is installed on one of the mounting racks 801, the output shaft of the motor 805 and the outer peripheral side of the bidirectional screw 803 are fixedly sleeved with gears 806 which are meshed with each other, and the bidirectional screw 803 can be synchronously driven to rotate under the action of the two gears 806 through the driving of the motor 805, so that the two sliding blocks 804 can drive the two connecting seats 2 to approach to each other or separate from each other;

the clamping structure comprises a wide rubber strip 4 connected to one of the cross rods 3, a through groove 5 is formed in the middle of the wide rubber strip 4 in a penetrating mode, and a narrow rubber strip 6 capable of penetrating the through groove 5 is connected to the other cross rod 3, so that the clamp in the application is composed of the wide rubber strip 4 and the narrow rubber strip 6, the through groove 5 is formed in the middle of the wide rubber strip 4 and used for penetrating the narrow rubber strip 6, a space formed between the wide rubber strip and the narrow rubber strip is used for clamping a workpiece, the distance between the wide rubber strip and the narrow rubber strip is changed by changing the size of the formed space through a driving mechanism 8, and the clamp in the structure is elastic and can be suitable for various special-shaped workpieces.

In addition to the above:

one, the outer ring of each bearing 802 is fixed with the corresponding mounting frame 801, and the inner ring thereof is in interference fit with the bidirectional screw 803, so that the bidirectional screw 803 can be connected to rotate in place.

Secondly, because the width at its top is less than the width at its bottom on spout 7, every slider 804 all with such spout 7 looks adaptation, so connecting seat 2 can slide along spout 7 through the effect of slider 804, can not drop from the top again.

Thirdly, in order to enhance the stability of the bidirectional screw 803, a bearing seat 9 is installed in the middle of the inside of the sliding chute 7, and similarly, the bearing seat 9 is also in interference fit with the bidirectional screw 803.

Fourthly, as shown in fig. 4, the through-hole 10 that is used for passing corresponding horizontal pole 3 is all run through to set up at the both ends of wide rubber strip 4 and narrow rubber strip 6 in this application, in addition, every horizontal pole 3 is the threaded rod, and the position at connecting every end of corresponding rubber strip on every horizontal pole 3 all the cooperation is connected with two nuts 11, all set up two nuts 11 of connection on the threaded rod promptly at the tip of every rubber strip, inboard nut 11 is used for restricting the rubber strip and removes, the nut 11 in the outside is used for fixing, through such setting, not only conveniently change the rubber strip, and can also adjust the space that encloses of every rubber strip, be equivalent to the size in the formation space of two rubber strips mentioned in the adjustable above-mentioned.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a 3D prints anchor clamps, includes body structure and clamping structure:

the body structure comprises a workbench (1), wherein two connecting seats (2) are symmetrically arranged at the top end of the workbench (1), and the body structure is characterized in that a horizontal sliding groove (7) is formed in the top end of the workbench (1), each connecting seat (2) is clamped and slidably connected onto the workbench (1) through the sliding groove (7), and a driving mechanism (8) for driving the two connecting seats (2) to slide towards opposite directions along the sliding groove (7) simultaneously is further arranged on the workbench (1);

the clamping structure comprises a wide rubber strip (4) connected to one of the cross rods (3), a through groove (5) is formed in the middle of the wide rubber strip (4) in a penetrating mode, and a narrow rubber strip (6) capable of penetrating through the through groove (5) is connected to the other cross rod (3).

2. The 3D printing jig according to claim 1, characterized in that: the driving mechanism (8) comprises mounting frames (801) symmetrically connected to two sides of the workbench (1), the inner side of each mounting frame (801) is connected with a bearing (802), and a bidirectional screw rod (803) penetrating through the sliding groove (7) is connected between the two bearings (802) in a matching manner; the bottom end of each connecting seat (2) is connected with a sliding block (804) which is positioned in the sliding groove (7) and is in threaded penetrating connection with the bidirectional screw rod (803), and the threaded penetrating directions of the two sliding blocks (804) and the bidirectional screw rod (803) are opposite; a motor (805) is mounted on one mounting rack (801), and gears (806) which are meshed with each other are fixedly sleeved on the output shaft of the motor (805) and the outer peripheral side of the bidirectional screw rod (803).

3. The 3D printing jig according to claim 2, characterized in that: the outer ring of each bearing (802) is fixed with the corresponding mounting rack (801), and the inner ring of each bearing is in interference fit with the bidirectional screw rod (803).

4. The 3D printing jig according to claim 2, characterized in that: the width at its top is less than the width at its bottom on spout (7), and every slider (804) all is with this spout (7) looks adaptation.

5. The 3D printing jig according to claim 2, characterized in that: a bearing seat (9) is installed in the middle of the interior of the sliding groove (7), and the bearing seat (9) is in interference fit with the bidirectional screw rod (803).

6. The 3D printing jig according to claim 1, characterized in that: the both ends of wide rubber strip (4) and narrow rubber strip (6) all run through and offer through-hole (10) that are used for passing corresponding horizontal pole (3), and every horizontal pole (3) are the threaded rod, and on every horizontal pole (3) all the cooperation in the position of connecting every end of the rubber strip that corresponds is connected with two nuts (11).