阅读说明：本技术 一种用于消失模雕刻机的快速夹持机构 (A quick fixture for disappearing mould engraver ) 是由 王守平 刘小军 刘文化 陈寿平 蓝树林 宋贤旺 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种用于消失模雕刻机的快速夹持机构,包括：主箱体,其顶端开口；第一压紧组件,可相对主箱体上下移动,第一压紧组件包括移动板、若干个第一弹性件和第一压板,第一弹性件设置在移动板和第一压板之间；校板,可拆卸地设置在第一压板上；两个第二压紧组件,可移动地设置在主箱体侧部,第二压紧组件包括第二压板和第二弹性件,第二压板与主箱体壁体之间设置有第二弹性件；驱动装置,设置在主箱体上,驱动装置用于带动第一压紧组件和第二压紧组件动作。本发明中,将主箱体从雕刻机T形槽一端滑到T形槽内,校板与工件接触,驱动装置带动第一压紧组件和第二压紧组件动作,使主箱体固定在雕刻机T形槽内,达到快速对固定夹持的目的。(The invention discloses a quick clamping mechanism for a lost foam engraving machine, which comprises: a main box body, the top end of which is opened; the first pressing assembly can move up and down relative to the main box body and comprises a moving plate, a plurality of first elastic pieces and a first pressing plate, and the first elastic pieces are arranged between the moving plate and the first pressing plate; the calibration plate is detachably arranged on the first pressure plate; the two second pressing assemblies are movably arranged on the side part of the main box body and comprise second pressing plates and second elastic pieces, and the second elastic pieces are arranged between the second pressing plates and the wall body of the main box body; and the driving device is arranged on the main box body and is used for driving the first pressing assembly and the second pressing assembly to act. According to the invention, the main box body slides into the T-shaped groove from one end of the T-shaped groove of the engraving machine, the calibration plate is contacted with a workpiece, and the driving device drives the first pressing component and the second pressing component to act, so that the main box body is fixed in the T-shaped groove of the engraving machine, and the purpose of quickly fixing and clamping the main box body is achieved.)

1. A quick fixture for disappearing mould engraver, its characterized in that includes:

a main box body (1) with an opening at the top end;

the first pressing assembly can move up and down relative to the main box body (1), the first pressing assembly comprises a moving plate (2), a plurality of first elastic pieces (3) and a first pressing plate (4), and the first elastic pieces (3) are arranged between the moving plate (2) and the first pressing plate (4);

the calibration plate (5) is detachably arranged on the first pressure plate (4);

the two second pressing assemblies are movably arranged on the side part of the main box body (1), each second pressing assembly comprises a second pressing plate (6) and a second elastic piece (7), and the second elastic pieces (7) are arranged between the second pressing plates (6) and the wall body of the main box body (1);

the driving device is arranged on the main box body (1) and used for driving the first pressing assembly and the second pressing assembly to act.

2. A quick clamping mechanism for a lost foam engraving machine according to claim 1, characterized in that: and grooves (61) are formed in the upper side and the lower side of the second pressing plate (6).

3. A quick clamping mechanism for a lost foam engraving machine according to claim 1, characterized in that: a plurality of insertion holes (41) are formed in the first pressing plate (4), and protruding portions matched with the insertion holes (41) are arranged at the bottom of the correcting plate (5).

4. A quick clamping mechanism for a lost foam engraving machine according to claim 1, characterized in that: the bottom of the main box body (1), the top of the first pressing plate (4) and the side of the second pressing plate (6) are provided with soft pads.

5. A quick clamping mechanism for a lost foam engraving machine according to claim 1, characterized in that: the driving device comprises an electric driving device (8), a screw rod (9), a first connecting rod (10), two second connecting rods (11), four push rods (12) and two push blocks (13), the screw rod (9) is connected with the inner walls of the electric driving device (8) and the main box body (1), the first connecting rod (10) and the second connecting rods (11) are connected with the screw rod (9) in a transmission mode, the push rods (12) are arranged on the second connecting rods (11) and abutted to the push blocks (13), and the push rods (12) are in a circular truncated cone shape or a conical shape.

6. A quick clamping mechanism for a lost foam engraving machine according to claim 1, characterized in that: the pressing device is characterized by further comprising a plurality of auxiliary box bodies (14) and a plurality of transmission mechanisms, wherein the first pressing assembly and the second pressing assembly are arranged on the auxiliary box bodies (14), the transmission mechanisms are linked with a driving device, and the driving device drives the transmission mechanisms to act so as to drive the first pressing assembly and the second pressing assembly on the auxiliary box bodies (14) to act.

7. A quick clamping mechanism for a lost foam engraving machine according to claim 6, characterized in that: the bottom of the auxiliary box body (14) is provided with a soft cushion.

8. A quick clamping mechanism for a lost foam engraving machine according to claim 6, characterized in that: drive mechanism includes adapter sleeve (15), horizontal pole (16), montant (17), four bull sticks (18), four gears (19) and two straight-bar (20), horizontal pole (16) detachably with adapter sleeve (15) are connected, montant (17) set up on horizontal pole (16), be provided with gear (19) on bull stick (18), all be provided with on montant (17) and straight-bar (20) with gear (19) engaged with rack mutually.

9. A quick clamping mechanism for a lost foam engraving machine according to claim 8, characterized in that: slots are formed in the two sides of the connecting sleeve (15) and one end of the cross rod (16), and an inserting rod matched with the slots is arranged at the other end of the cross rod (16).

Technical Field

The invention relates to the technical field of clamping of machine tool workpieces, in particular to a quick clamping mechanism for a lost foam engraving machine.

Background

The lost foam engraving machine is a numerical control device specially used for machining foam of automobile stamping dies, and belongs to a numerical control machine tool for light cutting. Can be used for engraving various moulds, lost foam moulds, automobile foam moulds and the like. The mode of current engraver to the work piece is for passing the bolt anchor clamps and place the T-slot on the engraver workstation, recycles the cooperation of bolt and nut and fixes anchor clamps on the workstation, realizes the centre gripping to the work piece, and this kind of mode need be with the help of the instrument operation, wastes time and energy, and the nut skids easily when using for a long time, exists not enoughly.

Disclosure of Invention

The invention aims to solve the technical problems and provides a quick clamping mechanism for a lost foam engraving machine.

The technical scheme of the invention is as follows: a quick clamping mechanism for a lost foam engraving machine, comprising:

a main box body, the top end of which is opened;

the first pressing assembly can move up and down relative to the main box body and comprises a moving plate, a plurality of first elastic pieces and a first pressing plate, and the first elastic pieces are arranged between the moving plate and the first pressing plate;

the calibration plate is detachably arranged on the first pressure plate;

the two second pressing assemblies are movably arranged on the side part of the main box body and comprise second pressing plates and second elastic pieces, and the second elastic pieces are arranged between the second pressing plates and the wall body of the main box body;

and the driving device is arranged on the main box body and is used for driving the first pressing assembly and the second pressing assembly to act.

Preferably, the upper side and the lower side of the second pressing plate are provided with grooves.

Preferably, a plurality of jacks are arranged on the first pressing plate, and protruding portions matched with the jacks are arranged at the bottom of the correcting plate.

Preferably, the bottom of the main box body, the top of the first pressing plate and the side of the second pressing plate are all provided with soft pads.

Preferably, the driving device comprises an electric driving device, a screw rod, a first connecting rod, two second connecting rods, four push rods and two push blocks, the screw rod is connected with the electric driving device and the inner wall of the main box body, the first connecting rod and the second connecting rods are in transmission connection with the screw rod, the push rods are arranged on the second connecting rods and abutted against the push blocks, and the push rods are in a round table shape or a conical shape.

Preferably, the device also comprises a plurality of auxiliary box bodies and a plurality of transmission mechanisms, wherein the first pressing assembly and the second pressing assembly are arranged on the auxiliary box bodies, the transmission mechanisms are linked with a driving device, and the driving device drives the transmission mechanisms to act so as to drive the first pressing assembly and the second pressing assembly on the auxiliary box bodies to act.

Preferably, the bottom of the auxiliary box body is provided with a soft cushion.

Preferably, drive mechanism includes adapter sleeve, horizontal pole, montant, four bull sticks, four gears and two straight-bars, horizontal pole detachably with the adapter sleeve is connected, the montant sets up on the horizontal pole, be provided with the gear on the bull stick, all be provided with on montant and the straight-bar with gear engaged with rack.

Preferably, slots are formed in two sides of the connecting sleeve and one end of the cross rod, and an inserting rod matched with the slots is arranged at the other end of the cross rod.

The invention has the beneficial effects that: according to the invention, the main box body slides into the T-shaped groove from one end of the T-shaped groove on the worktable of the engraving machine, the calibration plate is contacted with a workpiece, and the driving device drives the first pressing component and the second pressing component to act, so that the main box body is fixed in the T-shaped groove on the worktable, and the purpose of quickly fixing and clamping is achieved.

Drawings

FIG. 1 is a top plan view of the overall structure of the preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the preferred embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a top view of the first platen in the preferred embodiment of the present invention;

FIG. 5 is a schematic illustration of a calibration plate in a preferred embodiment of the present invention;

FIG. 6 is a schematic view of the connection of the vertical rod, the rotating rod and the gear in the preferred embodiment of the present invention;

FIG. 7 is a schematic view of the main housing installed in the T-shaped slot in the preferred embodiment of the present invention;

FIG. 8 is a schematic view of the present invention clamping a workpiece.

Reference numerals: the device comprises a main box body 1, a moving plate 2, a first elastic part 3, a first pressing plate 4, a jack 41, a correcting plate 5, a second pressing plate 6, a groove 61, a second elastic part 7, an electric driving device 8, a screw rod 9, a first connecting rod 10, a second connecting rod 11, a push rod 12, a push block 13, an auxiliary box body 14, a connecting sleeve 15, a cross rod 16, a vertical rod 17, a rotating rod 18, a gear 19 and a straight rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, a quick clamping mechanism for a lost foam engraving machine comprises:

a main case 1 having an open top;

the first pressing assembly can move up and down relative to the main box body 1 and comprises a moving plate 2, a plurality of first elastic pieces 3 and a first pressing plate 4, and the first elastic pieces 3 are arranged between the moving plate 2 and the first pressing plate 4;

the calibration plate 5 is detachably arranged on the first pressure plate 4;

the two second pressing assemblies are movably arranged on the side part of the main box body 1 and comprise second pressing plates 6 and second elastic pieces 7, and the second elastic pieces 7 are arranged between the second pressing plates 6 and the wall body of the main box body 1;

and the driving device is arranged on the main box body 1 and is used for driving the first pressing assembly and the second pressing assembly to act. According to the invention, the main box body 1 slides into the T-shaped groove from one end of the T-shaped groove on the worktable of the engraving machine, the calibration plate 5 is contacted with a workpiece, the driving device works to drive the movable plate 2 to move upwards so as to drive the first pressing plate 4 to move upwards, the movable plate 2 extrudes the first elastic part 3 so as to enable the first pressing plate 4 to be attached to the top wall body of the T-shaped groove on the worktable, meanwhile, the driving device works to drive the two second pressing plates 6 to move and extrude the second elastic part 7 so as to enable the two second pressing plates 6 to be closely attached to the wall bodies on two sides of the T-shaped groove, so that the main box body 1 is fixed in the T-shaped groove, the workpiece is rapidly clamped, and the first elastic part 3 and the second elastic part 7 play a role in buffer protection. Specifically, the first elastic member 3 and the second elastic member 7 are springs.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, the upper and lower sides of the second pressing plate 6 are provided with the grooves 61, and the second pressing plate 6 can slide on the main box body 1 and can prevent the second pressing plate 6 from falling off from the main box body 1.

In this embodiment, the plurality of insertion holes 41 are formed in the first pressing plate 4, the protruding portions matched with the insertion holes 41 are formed in the bottom of the calibration plate 5, and when the calibration plate 5 is matched with the insertion holes 41 in different positions of the first pressing plate 4, the positions of the calibration plate 5 fixed on the first pressing plate 4 are different, so that workpieces which are not large or small can be fixed, the practicability is improved, and the operation is simple.

In this embodiment, the bottom of the main box 1, the top of the first pressing plate 4 and the side of the second pressing plate 6 are all provided with soft pads, when there are machined chips in the T-shaped groove on the worktable, after the auxiliary box 14 is tightly fixed in the T-shaped groove, the chips can extrude the soft pads to deform the soft pads, and the main box 1 is prevented from being unsmooth.

In this embodiment, the driving device includes an electric driving device 8, a lead screw 9, a first connecting rod 10, two second connecting rods 11, four push rods 12 and two push blocks 13, the lead screw 9 connects the electric driving device 8 and the inner wall of the main box 1, the first connecting rod 10 and the second connecting rod 11 are in transmission connection with the lead screw 9, the push rods 12 are arranged on the second connecting rods 11 and abut against the push blocks 13, the push rods 12 are in a circular or conical shape, the push blocks 13 are arranged on the second pressing plate 6, the first connecting rod 10 is connected with the moving plate 2, when the electric driving device 8 drives the lead screw 9 to rotate, the first connecting rod 10 moves upwards, the moving plate 2 moves upwards, the first pressing plate 4 also moves upwards, the moving plate 2 extrudes the first elastic member 3, the first pressing plate 4 is attached to the top wall body of the T-shaped groove on the engraving machine, one of the second connecting rods 11 moves upwards, the other second connecting rod 11 moves downwards, the push rod 12 moves to push the two second press plates 6 to extrude the second elastic pieces 7 to be tightly attached to the wall bodies on the two sides of the T-shaped groove in the engraving machine, so that the main box body 1 is fixed in the T-shaped groove in the engraving machine, and the workpiece is clamped quickly. Specifically, the screw rod 9 is made into a part of left-handed screw and a part of right-handed screw; the electric driving device 8 is a servo motor; the bottom end in the main box body 1 is provided with a bearing with a seat, and the first screw rod 9 penetrates through the moving plate 2 and the first pressing plate 4 and is fixed in the bearing with the seat.

In the embodiment, the engraving machine further comprises a plurality of auxiliary box bodies 14 and a plurality of transmission mechanisms, a first pressing component and a second pressing component are arranged on the auxiliary box bodies 14, the transmission mechanisms are linked with a driving device, the driving device drives the transmission mechanisms to act so as to drive the first pressing component and the second pressing component on the auxiliary box bodies 14 to act, when a tool is used for processing a workpiece by the engraving machine, when the tool is larger, the area of the alignment plate 5 on the main box body 1, which is abutted against the workpiece, is limited, the auxiliary box bodies 14 are placed in T-shaped grooves on the engraving machine, the auxiliary box bodies 14 are provided with the first pressing component and the second pressing component, the alignment plate 5 is detachably arranged on the first pressing plate 4, the driving device acts to drive the first pressing component and the second pressing component to act so that the auxiliary box bodies 14 are tightly fixed in the T-shaped grooves, the alignment plate 5 on the auxiliary box bodies 14 is abutted against the workpiece, and the tool on the engraving machine is effectively prevented from being far away from the alignment plate 5 on the main box body 1, the workpiece is supported by the correcting plate 5 far away from the main box 1, so that the main box 1 moves, and the workpiece moves.

In this embodiment, the bottom of the sub-box 14 is provided with a soft pad, and when there are machined chips in the T-shaped groove of the engraving machine, after the sub-box 14 is tightly fixed in the T-shaped groove, the chips can squeeze the soft pad to deform the soft pad, thereby preventing the sub-box 14 from being unsmooth.

In this embodiment, the transmission mechanism includes a connection sleeve 15, a horizontal rod 16, a vertical rod 17, four rotating rods 18, four gears 19 and two straight rods 20, the horizontal rod 16 is detachably connected with the connection sleeve 15, the vertical rod 17 is arranged on the horizontal rod 16, the rotating rods 18 are provided with the gears 19, racks meshed with the gears 19 are arranged on the vertical rod 17 and the straight rods 20, two rotating rods 18 are arranged on two sides of the vertical rod 17 respectively, central lines of the two rotating rods 18 are not on the same horizontal line, the gears 19 are arranged on the rotating rods 18, the vertical rod 17 is fixedly connected with the movable plate 2 on the auxiliary box 14, the connection sleeve 15 is in transmission connection with the lead screw 9, when the electric drive device 8 drives the lead screw 9 to rotate, the connection sleeve 15 moves upwards, the horizontal rod 16 moves upwards to drive the vertical rod 17 to move upwards, the vertical rod 17 drives the gears 19 on two sides of the vertical rod 17 to rotate, one of the straight rods 20 moves leftwards to push out the second pressing plate 6, the other straight rod 20 moves rightwards to push out the second pressing plates 6, so that the two second pressing plates 6 extrude the second elastic parts 7 to be tightly attached to wall bodies on two sides of a T-shaped groove in the engraving machine, meanwhile, the moving plate 2 moves upwards, the first pressing plate 4 also moves upwards, the moving plate 2 extrudes the first elastic parts 3, the first pressing plate 4 is attached to the wall body at the top of the T-shaped groove in the engraving machine, the auxiliary box body 14 is effectively prevented from moving due to the fact that a tool on the engraving machine acts on the workpiece along the direction parallel to the direction of the T-shaped groove in the engraving machine, and the workpiece is well fixed. Specifically, the rotating rod 18 is rotatably arranged on the inner wall of the auxiliary box body 14, the straight rod 20 is connected with the second pressing plate 6, and the vertical rod 17 penetrates through the first pressing plate 4.

In this embodiment, slots are formed in two sides of the connecting sleeve 15 and one end of the cross rod 16, an inserting rod matched with the slots is arranged at the other end of the cross rod 16, when a tool is large enough for a carving machine to work, the abutting area of the correcting plate 5 on the main box body 1 and the work is limited, the connecting sleeve 15 is connected with the cross rod 16 or the cross rod 16 is connected with the cross rod 16, the correcting plate 5 on the auxiliary box body 14 abuts against the work, different positions of the work are clamped, the force parallel to the T-shaped slot on the carving machine effectively prevents the work from being forced away from the main box body 1 when the tool on the carving machine is far away from the correcting plate 5 on the main box body 1, and the work is moved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.